CN213271131U

CN213271131U - Double-stator multifunctional softening valve and water treatment device thereof

Info

Publication number: CN213271131U
Application number: CN202020910917.6U
Authority: CN
Inventors: 原海林; 伍孝荣; 伍先水
Original assignee: Wenzhou Runxin Manufacturing Machine Co ltd
Current assignee: Wenzhou Runxin Manufacturing Machine Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-05-25
Anticipated expiration: 2030-05-26

Abstract

The utility model relates to a double-stator multifunctional softening valve and a water treatment device thereof, which comprises a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the rotation of the movable valve plate, wherein the upper fixed valve plate is fixed in the upper valve body, the lower fixed valve plate is fixed in the lower valve body, the movable valve plate is arranged between the upper fixed valve plate and the lower fixed valve plate, and the driving device drives the movable valve plate to rotate so as to enable the movable valve plate to form sealing fit with the upper fixed valve plate and the lower fixed valve plate; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, a water inlet channel, an arc-shaped conduction blind hole and a through hole are formed in the movable valve plate, the water inlet channel is a channel with a closed upper portion and a fan-shaped upper portion and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet in the upper valve body. The utility model provides a current two still plane seal multiple unit valves be difficult to realize having system soft water, back flush simultaneously, inhale salt regeneration, to salt case moisturizing, just wash five kinds of basic softened water processing function's defects.

Description

Double-stator multifunctional softening valve and water treatment device thereof

Technical Field

The utility model relates to a water treatment system technical field especially relates to a water treatment facilities that is arranged in multi-functional softening valve of water treatment system and contains this multi-functional control valve.

Background

The existing industrial or civil water treatment soft water system generally uses a multifunctional softening valve to switch flow channels, and realizes the functions of soft water preparation, back flushing, salt absorption regeneration (forward flow or reverse flow), water supplement to a salt tank, forward flushing and the like. The existing plane sealing multi-way valve structure basically realizes five functions of soft water preparation, back flushing, salt absorption regeneration, water supplement to a salt tank, positive flushing and the like in the process of one rotation of the plane valve.

Chinese patent CN 205781072U discloses a double-stator plane sealing multi-way valve, which has the structural characteristics of small head loss, but is difficult to realize the five functions of the multifunctional softening valve when applied to a softened water treatment process.

Chinese patent CN 202065502U discloses an energy-saving multifunctional softening valve, the sealing structure of which is composed of three-piece plane rotary sealing pair of lower fixed valve piece, movable valve piece and upper fixed valve piece, and has five basic functions of softening water treatment, back washing, salt absorption regeneration, water supply to salt tank and positive washing, but the through holes on the fixed valve pieces are arranged according to eight equal angles on the circumference, and the head loss is large.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved is as follows: the to-be-solved technical problem of the utility model is to provide a multi-functional softening valve of two static pieces realizes system soft water, back flush, inhales salt regeneration, to salt case moisturizing, positive washing five kinds of basic softened water treatment functions, and the head loss is less.

The technical scheme is as follows: in order to realize the purpose, the main performance indexes of the exchanger are specified according to the national standard GB/T18300 'technical conditions of automatic control sodium ion exchanger': the multi-functional softening valve of two static pieces, including lower valve body, last valve body, lower fixed valve block, movable valve block, go up the drive arrangement that fixed valve block and control movable valve block are rotatory, go up the fixed valve block and fix in last valve body, lower fixed valve block is fixed in the lower valve body, and movable valve block is installed between last fixed valve block and lower fixed valve block, is driven by drive arrangement and is moved the valve block and rotate and make movable valve block and last fixed valve block and lower fixed valve block form sealed cooperation. The lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage; the upper valve body is provided with a water inlet, a water outlet and a water outlet. The main characteristics are as follows: through holes for back washing, forward washing, salt absorption regeneration and water replenishing flow passages to the salt tank are arranged on the outer rotary circumference of the lower fixed valve plate at equal angles according to the angle A, through holes for soft water making flow passages are arranged at equal angles according to the angle B, and the angle B is twice of the angle A.

Preferably, the utility model provides a multi-functional softening valve of two statics, including lower valve body, go up the valve body, down decide the valve block, move the valve block, go up the drive arrangement that the valve block is rotatory is moved to fixed valve block and control, go up the fixed valve block and fix in last valve body, down decide the valve block and fix in lower valve body, move the valve block and install between last fixed valve block and lower fixed valve block, rotate by drive arrangement drive movable valve block and make movable valve block and last fixed valve block and lower fixed valve block form sealed cooperation. The lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the seventh through hole are communicated with an upper connector of the filter element, the second through hole, the fifth through hole and the sixth through hole are communicated with a lower connector of the filter element, the third through hole is communicated with an inlet of the ejector, the fourth through hole is communicated with an outlet of the ejector, the first through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at six equal angles on the circumference, the second through hole, the third through hole and the fourth through hole are arranged at twelve equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in six equal angle degrees of the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

Further, the cooperation relation of movable valve plate and last fixed valve plate and lower fixed valve plate includes: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate conducts the third through hole and the fourth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the fourth through hole of the lower fixed valve plate with the fifth through hole, and the through hole of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate and the first through hole and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole and the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the first through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate. In the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

Preferably, the utility model provides a multi-functional softening valve of two statics, including lower valve body, last valve body, down decide the valve block, move the valve block, go up the valve block and control and move the rotatory drive arrangement of valve block, go up the valve block and fix in last valve body, down decide the valve block and fix in lower valve body, move the valve block and install between last valve block and lower valve block, move the valve block by drive arrangement drive and rotate and make the valve block and form sealed cooperation with last valve block and lower valve block. The lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the second through hole are communicated with an upper connector of the filter element, the third through hole, the fourth through hole and the fifth through hole are communicated with a lower connector of the filter element, the sixth through hole is communicated with an inlet of the ejector, the seventh through hole is communicated with an outlet of the ejector, the first through hole, the third through hole and the fourth through hole are arranged at six equal angles on the circumference, the second through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at twelve equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in six equal angle degrees of the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

Further, the cooperation relation of movable valve plate and last fixed valve plate and lower fixed valve plate includes: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the first through hole and the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

The utility model also provides a multi-functional softening valve of two statics, including lower valve body, last valve body, down decide the valve block, move the valve block, go up and decide the valve block and control and move the rotatory drive arrangement of valve block, go up and decide the valve block and fix in last valve body, down decide the valve block and fix in lower valve body, move the valve block and install between last fixed valve block and lower fixed valve block, move the valve block by drive arrangement drive and rotate and make the valve block and go up fixed valve block and decide the valve block down and form sealed cooperation. The lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole; five through holes are formed in the excircle turning circle of the upper fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, wherein the fifth through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole, the third through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole are sequentially arranged at seven equal angles on the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

Further, the cooperation relation of movable valve plate and last fixed valve plate and lower fixed valve plate includes: the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fifth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate, or the water inlet channel of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the sixth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the second through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole and the seventh through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the first through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

The utility model also provides a multi-functional softening valve of two statics, including lower valve body, last valve body, down decide the valve block, move the valve block, go up and decide the valve block and control and move the rotatory drive arrangement of valve block, go up and decide the valve block and fix in last valve body, down decide the valve block and fix in lower valve body, move the valve block and install between last fixed valve block and lower fixed valve block, move the valve block by drive arrangement drive and rotate and make the valve block and go up fixed valve block and decide the valve block down and form sealed cooperation. The lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate, a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole are formed in the outer rotary circle of the lower fixed valve plate, the first through hole and the second through hole are communicated with an upper connector of the filter element, the third through hole, the fourth through hole and the fifth through hole are communicated with a lower connector of the filter element, the sixth through hole is communicated with an inlet of the ejector, the seventh through hole is communicated with an outlet of the ejector, the first through hole, the second through hole and the fifth through hole are arranged at an equal angle of seven equal parts of the circumference, the third through hole, the fourth through hole, the sixth through hole and the seventh through hole are arranged at an equal angle of fourteen times of the circumference, and the first through hole, the second through hole, the third through hole, the; five through holes are formed in the excircle turning circle of the upper fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, wherein the fourth through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole, the third through hole and the fifth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole are sequentially arranged at seven equal angles on the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

Further, the cooperation relation of movable valve plate and last fixed valve plate and lower fixed valve plate includes: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the sixth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the second through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fifth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate, the circular arc-shaped conduction blind hole of the movable valve plate conducts the first through hole and the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate communicates the fourth through hole of the lower fixed valve plate with the fourth through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

The utility model also provides a multi-functional softening valve of two statics, including lower valve body, last valve body, down decide the valve block, move the valve block, go up and decide the valve block and control and move the rotatory drive arrangement of valve block, go up and decide the valve block and fix in last valve body, down decide the valve block and fix in lower valve body, move the valve block and install between last fixed valve block and lower fixed valve block, move the valve block by drive arrangement drive and rotate and make the valve block and go up fixed valve block and decide the valve block down and form sealed cooperation. The lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the seventh through hole are communicated with an upper connector of the filter element, the second through hole, the fifth through hole and the sixth through hole are communicated with a lower connector of the filter element, the third through hole is communicated with an inlet of the ejector, the fourth through hole is communicated with an outlet of the ejector, the first through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at seven equal angles on the circumference, the second through hole and the third through hole are arranged at fourteen equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in an angle-dividing manner according to seven equal parts of the circumference and are adjacent to each other two by two; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

Further, the cooperation relation of movable valve plate and last fixed valve plate and lower fixed valve plate includes: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate conducts the third through hole and the fourth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the fourth through hole of the lower fixed valve plate with the fifth through hole, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole and the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the first through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

The utility model also provides a water treatment facilities adopts at least one as above the multi-functional softening valve of two stills, with install the jar body intercommunication of resin, constitute water treatment facilities.

The utility model has the advantages that:

the utility model provides a current two still plane seal multiple unit valves be difficult to realize having system soft water, back flush simultaneously, inhale salt regeneration, to salt case moisturizing, just wash five kinds of basic softened water processing function's defects. Through adopting the utility model discloses a control valve compares with original adoption octagon partition softening control valve, same valve block size, and the flow is bigger.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is a schematic structural view of a lower fixed valve plate according to a first embodiment of the present invention;

fig. 3 is a top view of the movable valve plate according to the first embodiment of the present invention;

fig. 4 is a perspective view of the movable valve plate according to the first embodiment of the present invention;

fig. 5 is a schematic structural view of an upper fixed valve plate according to a first embodiment of the present invention;

FIG. 6 is a schematic structural diagram of the operational state of the soft water preparation according to all embodiments of the present invention;

FIG. 7 is a schematic view of the matching of the movable valve plate with respect to the lower fixed valve plate in the soft water preparation operation state according to an embodiment of the present invention;

FIG. 8 is a schematic view of the movable valve plate relative to the upper fixed valve plate in the soft water preparation operation state according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of all embodiments of the present invention in a back-flushing state;

FIG. 10 is a schematic view of the movable valve plate in a back-flushing state in relation to the lower fixed valve plate according to an embodiment of the present invention;

FIG. 11 is a schematic view of the movable valve plate in a back-flushing state in accordance with an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a first embodiment and a sixth embodiment of the present invention in a reverse-flow salt absorption regeneration state;

FIG. 13 is a schematic view of the movable valve plate in the reverse flow salt absorption regeneration state according to the embodiment of the present invention;

FIG. 14 is a schematic diagram of the movable valve plate in the reverse flow salt absorption regeneration state according to the embodiment of the present invention;

fig. 15 is a schematic structural diagram of the salt tank in a state of replenishing water in the salt tank according to the first embodiment, the second embodiment, the fourth embodiment and the sixth embodiment of the present invention;

FIG. 16 is a schematic view of the movable valve plate in a water-replenishing state relative to the lower fixed valve plate according to an embodiment of the present invention;

FIG. 17 is a schematic view of the movable valve plate in a water-replenishing state relative to the upper fixed valve plate according to an embodiment of the present invention;

FIG. 18 is a schematic view of all embodiments of the present invention in a forward washing state;

fig. 19 is a schematic view illustrating the fitting of the movable valve plate with respect to the lower fixed valve plate in the forward washing state according to the embodiment of the present invention;

fig. 20 is a schematic view illustrating the fitting of the movable valve plate to the upper fixed valve plate in the forward washing state according to the embodiment of the present invention;

fig. 21 is a schematic structural view of a lower fixed valve plate according to a second embodiment of the present invention;

fig. 22 is a top view of the movable valve plate according to the second and third embodiments of the present invention;

fig. 23 is a schematic structural view of the upper fixed valve plate according to the second and third embodiments of the present invention;

fig. 24 is a schematic view illustrating the matching of the movable valve plate with respect to the lower fixed valve plate in the soft water preparation operation state according to the second embodiment of the present invention;

fig. 25 is a schematic view showing the matching of the movable valve plate with respect to the upper fixed valve plate in the soft water preparation operation state according to the second and third embodiments of the present invention;

FIG. 26 is a schematic view of the movable valve plate in a back-flushing state according to the second embodiment of the present invention matching with the lower fixed valve plate;

fig. 27 is a schematic view showing the cooperation of the movable valve plate with respect to the upper fixed valve plate in the back-flushing state according to the second and third embodiments of the present invention;

fig. 28 is a schematic structural view of the second, third, fourth and fifth embodiments of the present invention in the downstream salt absorption regeneration state;

FIG. 29 is a schematic view of the movable valve plate of the second embodiment of the present invention cooperating with the lower fixed valve plate in the downstream salt absorption regeneration state;

fig. 30 is a schematic view showing the matching of the movable valve plate with respect to the upper fixed valve plate in the forward flow salt absorption regeneration state according to the second and third embodiments of the present invention;

fig. 31 is a schematic view of the movable valve plate in the water replenishing state to the salt tank according to the second embodiment of the present invention matching with the lower fixed valve plate;

fig. 32 is a schematic view of the movable valve plate of the second embodiment of the present invention matching with the upper fixed valve plate in the water charging state to the salt tank;

fig. 33 is a schematic view illustrating the matching of the movable valve plate with respect to the lower fixed valve plate in the forward washing state according to the second embodiment of the present invention;

fig. 34 is a schematic view showing the fit between the movable valve plate and the upper fixed valve plate in the forward washing state according to the second and third embodiments of the present invention;

fig. 35 is a schematic structural view of a lower fixed valve plate according to a third embodiment of the present invention;

fig. 36 is a schematic view of the matching of the movable valve plate with respect to the lower fixed valve plate in the soft water preparation operation state according to the third embodiment of the present invention;

FIG. 37 is a schematic view of the movable valve plate in a back-flushing state according to the third embodiment of the present invention;

fig. 38 is a schematic view of the cooperation between the movable valve plate and the lower fixed valve plate in the downstream salt absorption regeneration state according to the third embodiment of the present invention;

fig. 39 is a schematic view illustrating the matching of the movable valve plate with respect to the lower fixed valve plate in the forward washing state according to the third embodiment of the present invention;

fig. 40 is a schematic structural diagram of a third embodiment and a fifth embodiment of the present invention in a state of replenishing water to the salt tank (simultaneously performing soft water preparation operation);

fig. 41 is a schematic view of the movable valve plate relative to the lower fixed valve plate in the state of supplementing water to the salt tank (simultaneously making soft water) according to the third embodiment of the present invention;

fig. 42 is a schematic view of the movable valve plate of the third embodiment of the present invention matching with the upper fixed valve plate in the state of replenishing water to the salt tank (simultaneously soft water making operation);

fig. 43 is a schematic structural view of a lower fixed valve plate according to the fourth embodiment of the present invention;

fig. 44 is a top view of the movable valve plate according to the fourth and fifth embodiments of the present invention;

fig. 45 is a schematic structural view of the upper fixed valve plate according to the fourth and fifth embodiments of the present invention;

fig. 46 is a schematic view illustrating the cooperation of the movable valve plate with respect to the lower fixed valve plate in the soft water preparation operation state according to the fourth embodiment of the present invention;

fig. 47 is a schematic view of the movable valve plate relative to the upper fixed valve plate in the soft water preparation operation state according to the fourth embodiment of the present invention;

FIG. 48 is a schematic view of the movable valve plate in a back-flushing state in relation to the lower fixed valve plate according to the fourth embodiment of the present invention;

FIG. 49 is a schematic view of the movable valve plate in a back-flushing state in relation to the upper fixed valve plate according to the fourth embodiment of the present invention;

FIG. 50 is a schematic view of the movable valve plate in another backwashing state of the present invention in relation to the lower fixed valve plate;

FIG. 51 is a schematic view of the movable valve plate of the fourth embodiment of the present invention in another backwashing state in cooperation with the upper fixed valve plate;

fig. 52 is a schematic view illustrating the cooperation of the movable valve plate with respect to the lower fixed valve plate in the forward flow salt absorption regeneration state according to the fourth embodiment of the present invention;

FIG. 53 is a schematic view of the movable valve plate of the fourth embodiment of the present invention cooperating with the upper fixed valve plate in the downstream salt absorption regeneration state;

FIG. 54 is a schematic view of the movable valve plate relative to the lower fixed valve plate in the water replenishing state of the salt tank according to the fourth embodiment of the present invention;

FIG. 55 is a schematic view of the movable valve plate of the fourth embodiment of the present invention matching with the upper fixed valve plate in the water replenishing state;

fig. 56 is a schematic view illustrating the movable valve plate in the forward washing state according to the fourth embodiment of the present invention matching with the lower fixed valve plate;

fig. 57 is a schematic view illustrating the matching of the movable valve plate with respect to the upper fixed valve plate in the forward washing state according to the fourth embodiment of the present invention;

fig. 58 is a schematic structural view of a lower fixed valve plate according to a fifth embodiment of the present invention;

fig. 59 is a schematic view illustrating the cooperation of the movable valve plate with respect to the lower fixed valve plate in the fifth operation state of the soft water preparation of the embodiment of the present invention;

FIG. 60 is a schematic view of the fifth embodiment of the present invention showing the matching between the movable valve plate and the upper fixed valve plate in the soft water operation state

FIG. 61 is a schematic view of the movable valve plate in a backwash state in relation to the lower fixed valve plate according to the fifth embodiment of the present invention;

FIG. 62 is a schematic view of the movable valve plate in a fifth backwashing state according to the embodiment of the present invention matching with the upper fixed valve plate;

FIG. 63 is a schematic view of the cooperation between the movable valve plate and the lower fixed valve plate in the forward flow salt absorption regeneration state according to the fifth embodiment of the present invention;

FIG. 64 is a schematic view of the movable valve plate of the fifth embodiment of the present invention cooperating with the upper fixed valve plate in the downstream salt absorption regeneration state

Fig. 65 is a schematic view illustrating the matching of the movable valve plate with respect to the lower fixed valve plate in the forward washing state according to the fifth embodiment of the present invention;

fig. 66 is a schematic view illustrating the matching of the movable valve plate with respect to the upper fixed valve plate in the forward washing state according to the fifth embodiment of the present invention;

fig. 67 is a schematic view of the movable valve plate relative to the lower fixed valve plate in the water replenishing (soft water making operation) state of the salt tank according to the fifth embodiment of the present invention;

fig. 68 is a schematic view of the movable valve plate of the fifth embodiment of the present invention matching with the upper fixed valve plate in the state of replenishing water to the salt tank (simultaneously soft water preparation operation);

fig. 69 is a schematic structural view of a lower fixed valve plate according to a sixth embodiment of the present invention;

fig. 70 is a plan view of a movable valve plate according to a sixth embodiment of the present invention;

fig. 71 is a schematic structural view of an upper fixed valve plate according to a sixth embodiment of the present invention;

fig. 72 is a schematic view illustrating the matching of the movable valve plate with respect to the lower fixed valve plate in the soft water preparation operation state according to the sixth embodiment of the present invention;

FIG. 73 is a schematic view of the engagement between the movable valve plate and the upper fixed valve plate in the soft water preparation operation state according to the sixth embodiment of the present invention;

FIG. 74 is a schematic view of the movable valve plate in a back-flushing state according to the sixth embodiment of the present invention matching with the lower fixed valve plate;

FIG. 75 is a schematic view of the movable valve plate in a back-flushing state according to the sixth embodiment of the present invention;

FIG. 76 is a schematic view of the movable valve plate of the sixth embodiment of the present invention cooperating with the lower fixed valve plate in the reverse flow salt absorption regeneration state;

FIG. 77 is a schematic diagram of the movable valve plate of the sixth embodiment of the present invention cooperating with the upper fixed valve plate in the reverse flow salt absorption regeneration state;

FIG. 78 is a schematic view of the movable valve plate of the salt tank according to the sixth embodiment of the present invention matching the lower fixed valve plate in the water replenishing state;

FIG. 79 is a schematic view of the movable valve plate of the salt tank according to the embodiment of the present invention matching with the upper fixed valve plate in the water replenishing state;

fig. 80 is a schematic view illustrating the fit of the movable valve plate with respect to the lower fixed valve plate in the forward washing state according to the sixth embodiment of the present invention;

fig. 81 is a schematic view illustrating the fit of the movable valve plate with respect to the upper fixed valve plate in the forward washing state according to the sixth embodiment of the present invention;

FIG. 82 is a cross-sectional view A-A of FIG. 3;

fig. 83 is a sectional view taken along line B-B of fig. 3.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in FIG. 6, when using the present invention, the softening valve is installed on the water treatment tank 70, the filter element 73 is installed in the water treatment tank 70, or the filter element 73 is formed by directly filling the filter material in the water treatment tank 70, the upper part interface 21 of the filter element of the lower valve body 20 is communicated with the upper part of the filter element 73 through the upper water distributor 71, the lower part interface 22 of the filter element is communicated with the lower part of the filter element 73 through the central tube 72 and the lower water distributor 74, the water inlet 11 of the upper valve body 10 is connected with the raw water, the water outlet 12 is connected to the water consumption part, the water outlet 13 is connected to the water discharge part, and the brine inlet 26. The driving part is manual or automatic.

The utility model discloses when the filter core that indicates is constituteed for adopting particulate matter, the word description adopts filter core upper portion and filter core lower part, if adopt bar-shaped, tubulose filter core time, the description can adopt the filter core outside and inside the filter core. The following description will be made only of a filter element composed of a granular material.

Example 1: the scheme of the softening valve is regenerated by dividing the main flow channel into six parts and reversely flowing.

As shown in fig. 1 to 6, in the present embodiment, the lower fixed valve plate shown in fig. 2, the movable valve plate shown in fig. 3 and 4, and the upper fixed valve plate shown in fig. 5 are used. The dual-static-sheet multifunctional softening valve in the first embodiment comprises a lower valve body 20, an upper valve body 10, a lower fixed valve sheet 30, a movable valve sheet 40, an upper fixed valve sheet 50 and a driving device 60 for controlling the rotation of the movable valve sheet. The lower valve body 20 is provided with a filter element upper connector 21, a filter element lower connector 22 and a salt absorption branch flow passage 23, and the salt absorption branch flow passage 23 is provided with an ejector inlet 24, an ejector outlet 25 and a brine inlet 26. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate 30, a first through hole 31, a second through hole 32, a third through hole 33, a fourth through hole 34, a fifth through hole 35, a sixth through hole 36 and a seventh through hole 37 are communicated with the filter element upper connector 21, the second through hole 32, the fifth through hole 35 and the sixth through hole 36 are communicated with the filter element lower connector 22, the third through hole 33 is communicated with the ejector inlet 24, the fourth through hole 34 is communicated with the ejector outlet 25, the first through hole 31, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged at six equal angles along the circumference, the second through hole 32, the third through hole 33 and the fourth through hole 34 are arranged at twelve equal angles along the circumference, and the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged in sequence and are adjacent to each other; four through holes are arranged on the outer rotary circle of the upper fixed valve plate 50, a first through hole 51, a second through hole 52, a third through hole 53 and a fourth through hole 54 are arranged on the outer rotary circle of the upper fixed valve plate 50, the third through hole 53 is communicated with the water outlet 12 of the upper valve body 10, the first through hole 51, the second through hole 52 and the fourth through hole 54 are communicated with the water outlet 13, and the first through hole 51, the second through hole 52, the third through hole 53 and the fourth through hole 54 are arranged in sequence at six equal angles on the circumference and are adjacent to each other two by two; FIG. 82 is a cross-sectional view taken along line A-A of FIG. 3; fig. 83 is a sectional view taken along line B-B of fig. 3, the movable valve plate 40 is provided with a water inlet channel 41 with a closed upper portion and a fan shape, the water inlet channel 41 is communicated with the outer side of the circumference of the movable valve plate, an arc-shaped conduction blind hole 42 and a through hole 43, and the water inlet channel 41 is normally communicated with the water inlet 11 of the upper valve body 10. The holes of the lower fixed valve plate 30 and the movable valve plate 40 and the holes of the upper fixed valve plate 50 and the movable valve plate 40 are matched on the same radius of gyration.

The softening valve designed in this way has the following advantages: the station requiring only small flow for back washing, salt absorption regeneration, forward washing and water supplement to the salt tank is divided into twelve equal angular areas, and the station for soft water preparation is divided into six equal angular areas, so that five basic functions of soft water preparation, back washing, reverse flow salt absorption regeneration, water supplement to the salt tank and forward washing of softened water treatment can be realized on the premise of ensuring the flow capacity.

The following describes in detail the functions of the stationary and movable valve plates in different engagement states.

Soft water preparation state: as shown in fig. 6, 7 and 8, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is communicated with the first through hole 31 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and the through hole 43 is communicated with the sixth through hole 36 of the lower fixed valve plate 30 and the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, then flows to the filter element lower connector 22 through the lower water distributor 74 and the center pipe 72, flows to the sixth through hole 36 of the lower fixed valve plate 30, and flows to the third through hole 53 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the third through hole 53 of the upper fixed valve plate 50 is communicated with the water outlet 12 of the upper valve body 10, the water flows out of the water outlet 12. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and there is no water flow.

Back washing state: as shown in fig. 9, 10, and 11, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the second through hole 32 on the lower fixed valve plate 30, the through blind hole 42 conducts the third through hole 33 and the fourth through hole 34 of the lower fixed valve plate 30, and the through hole 43 communicates the seventh through hole 37 of the lower fixed valve plate 30 with the fourth through hole 54 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the second through hole 32 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter element lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter element 73, loosens and washes the filter element 73, and the washed dirt flows to the filter element upper connector 21 through the upper water distributor 71, flows to the seventh through hole 37 of the lower fixed valve plate, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the fourth through hole 54 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10, the water flows out from the water outlet 13. At this time, the conduction blind hole 42 of the movable valve plate 40 conducts the third through hole 33 and the fourth through hole 34 of the lower fixed valve plate 30, and no water flows.

And (3) a reverse-flow salt absorption regeneration state: as shown in fig. 12, 13 and 14, the driving device 60 drives the movable valve plate 40 to rotate, when the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the third through hole 33 on the lower fixed valve plate 30, the through blind hole 42 conducts the fourth through hole 34 and the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 simultaneously communicates the first through hole 31 and the seventh through hole 37 of the lower fixed valve plate 30 with the first through hole 51 and the fourth through hole of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the third through hole 33 of the lower fixed valve plate through the water inlet channel 41 of the movable valve plate 40, passes through the branch flow channel 23 to the inlet 24 of the ejector, after being ejected, negative pressure is generated at the brine inlet 26, at this time, the regenerant in the brine tank 80 is sucked to the brine inlet 26 through the pipeline, is mixed with the water entering from the inlet 24 of the ejector, flows to the outlet 25 of the ejector, flows to the fourth through hole 34 of the lower fixed valve plate 30, and is guided to the fifth through hole 35 of the lower fixed valve plate through the conducting blind hole 42 of the movable valve plate 40, the mixed water sequentially flows through the lower connector 22 of the filter element, the central pipe 72, and the lower water distributor 74 to enter the lower part of the water treatment tank 70, and flows upward through the filter element 73, the mixed water flows to the upper part of the water treatment tank 70 after the filter element 73 is regenerated in a counter-current manner, flows to the upper connector 21 of the filter element, the first through hole 51 and the fourth through hole 54 of the upper fixed valve plate 50 are communicated through the through hole 43 of the movable valve plate 40, and since the first through hole 51 and the fourth through hole 54 of the upper fixed valve plate 50 are communicated with the drain port 13 of the upper valve body 10, water flows out of the drain port 13.

The water replenishing state of the salt box: as shown in fig. 15, 16 and 17, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the third through hole 33 and the fourth through hole 34 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 is communicated with the first through hole 31 of the lower fixed valve plate 30 and the first through hole 51 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the third through hole 33 and the fourth through hole 34 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the ejector inlet 24 and the ejector outlet 25 of the bypass flow channel 23, joins from the brine inlet 26, and flows to the brine tank 80 through the pipe to the air check valve 81. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, the through hole 43 communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50, and no water flows.

A positive flushing state: as shown in fig. 18, 19 and 20, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the seventh through hole 37 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the first through hole 31 of the lower fixed valve plate 30, and the through hole 43 is used for communicating the fifth through hole 35 of the lower fixed valve plate 30 with the second through hole 52 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the seventh through hole 37 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the upper connector 21 and the upper water distributor 71 of the filter element, flows downwards through the filter element 73, washes the regenerant remaining in the filter element 73, and the washed residue sequentially flows to the lower connector 22 of the filter element through the lower water distributor 74 and the central tube 72, flows to the fifth through hole 35 of the lower fixed valve plate, and flows to the second through hole 52 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the second through hole 52 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the first through hole 31 of the lower fixed valve plate, and no water flows.

Example 2: the scheme of the softening valve is divided into six parts in the main flow passage and regenerated downstream.

As shown in fig. 6, 21, 22, and 23, in this embodiment, the lower fixed valve plate shown in fig. 21, the movable valve plate shown in fig. 22, and the upper fixed valve plate shown in fig. 23 are used. The dual-static-blade multifunctional softening valve in the second embodiment comprises a lower valve body 20, an upper valve body 10, a lower fixed valve plate 30, a movable valve plate 40, an upper fixed valve plate 50 and a driving device 60 for controlling the rotation of the movable valve plate. The lower valve body 20 is provided with a filter element upper connector 21, a filter element lower connector 22 and a salt absorption branch flow passage 23, and the salt absorption branch flow passage 23 is provided with an ejector inlet 24, an ejector outlet 25 and a brine inlet 26. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate 30, a first through hole 31, a second through hole 32, a third through hole 33, a fourth through hole 34, a fifth through hole 35, a sixth through hole 36 and a seventh through hole 37 are formed in the outer rotary circle of the lower fixed valve plate 30, the first through hole 31 and the second through hole 32 are communicated with the filter element upper connector 21, the third through hole 33, the fourth through hole 34 and the fifth through hole 35 are communicated with the filter element lower connector 22, the sixth through hole 36 is communicated with the ejector inlet 24, the seventh through hole 37 is communicated with the ejector outlet 25, the first through hole 31, the third through hole 33 and the fourth through hole 34 are arranged at equal angles of six equal intervals in the circumference, the second through hole 32, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged at equal angles of twelve equal intervals in the circumference, and the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34, the fifth through hole 35, the sixth through hole 36 and; four through holes are arranged on the outer rotary circle of the upper fixed valve plate 50, a first through hole 51, a second through hole 52, a third through hole 53 and a fourth through hole 54 are arranged on the outer rotary circle of the upper fixed valve plate 50, the third through hole 53 is communicated with the water outlet 12 of the upper valve body 10, the first through hole 51, the second through hole 52 and the fourth through hole 54 are communicated with the water outlet 13, and the first through hole 51, the second through hole 52, the third through hole 53 and the fourth through hole 54 are arranged in sequence at six equal angles on the circumference and are adjacent to each other two by two; the movable valve plate 40 is provided with a water inlet channel 41 which is closed at the upper part and is in a fan shape and communicated to the outer side of the circumference of the movable valve plate, an arc-shaped conduction blind hole 42 and a through hole 43, and the water inlet channel 41 is normally communicated with the water inlet 11 on the upper valve body 10. The holes of the lower fixed valve plate 30 and the movable valve plate 40 and the holes of the upper fixed valve plate 50 and the movable valve plate 40 are matched on the same radius of gyration.

The softening valve designed in this way has the following advantages: the station requiring only small flow for back washing, salt absorption regeneration, forward washing and water supplement to the salt tank is divided into twelve equal angular areas, and the station for soft water preparation is divided into six equal angular areas, so that five basic functions of soft water preparation, back washing, forward flow salt absorption regeneration, water supplement to the salt tank and forward washing of softened water treatment can be realized on the premise of ensuring the circulation capacity.

Soft water preparation state: as shown in fig. 6, 24 and 25, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is communicated with the first through hole 31 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and the through hole 43 is communicated with the fourth through hole 34 of the lower fixed valve plate 30 and the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, then flows to the filter element lower connector 22 through the lower water distributor 74 and the center pipe 72, flows to the fourth through hole 34 of the lower fixed valve plate 30, and flows to the third through hole 53 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the third through hole 53 of the upper fixed valve plate 50 is communicated with the water outlet 12 of the upper valve body 10, the water flows out of the water outlet 12. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and there is no water flow.

Back washing state: as shown in fig. 9, 26, and 27, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the fourth through hole 34 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the fourth through hole 34 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter core lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter core 73, loosens and washes the filter core 73, and the washed dirt flows to the filter core upper connector 21 through the upper water distributor 71, flows to the first through hole 31 of the lower fixed valve plate, and flows to the first through hole 51 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the first through hole 51 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10, the water flows out from the water outlet 13. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and no water flows.

Downstream salt absorption regeneration state: as shown in fig. 28, 29 and 30, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the sixth through hole 36 on the lower fixed valve plate 30, the communication blind hole 42 communicates the seventh through hole 37 of the lower fixed valve plate 30 with the first through hole 31, and the through hole 43 communicates the third through hole 33 of the lower fixed valve plate 30 with the second through hole 52 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the sixth through hole 36 of the lower fixed valve plate through the water inlet channel 41 of the movable valve plate 40, passes through the branch channel 23 to the inlet 24 of the ejector, after being ejected, negative pressure is generated at the brine inlet 26, at this time, the regenerant in the brine tank 80 is sucked to the brine inlet 26 through the pipeline, is mixed with the water entering from the inlet 24 of the ejector, flows to the outlet 25 of the ejector, flows to the seventh through hole 37 of the lower fixed valve plate 30, is guided to the first through hole 31 of the lower fixed valve plate through the conducting blind hole 42 of the movable valve plate 40, the mixed water flows through the upper connector 21 of the filter element and the upper water distributor 71 to enter the upper part of the water treatment tank 70, flows downwards through the filter element 73, after the mixed water flow regenerates the filter element 73 downstream, flows to the lower connector 22 through the lower water distributor 74 and the central pipe 72, flows to the third through hole 33 of the filter element, and is communicated to the second through hole 52 of the upper, since the second through hole 52 of the upper stationary plate 50 communicates with the drain port 13 of the upper valve body 10, water flows out of the drain port 13.

The water replenishing state of the salt box: as shown in fig. 15, 31 and 32, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the sixth through hole 36 and the seventh through hole 37 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the first through hole 31 of the lower fixed valve plate 30, and the through hole 43 is communicated with the third through hole 33 of the lower fixed valve plate 30 and the second through hole 52 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the sixth through hole 36 and the seventh through hole 37 of the lower fixed valve plate 30 through the water inlet passage 41 of the movable valve plate 40, enters the ejector inlet 24 and the ejector outlet 25 of the bypass flow passage 23, joins from the brine inlet 26, and flows to the brine tank 80 through the pipe to the air check valve 81. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the first through hole 31 of the lower fixed valve plate 30, the third through hole 33 of the lower fixed valve plate 30 is communicated with the second through hole 52 of the upper fixed valve plate 50 through the through hole 43, and no water flows.

A positive flushing state: as shown in fig. 18, 33 and 34, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the second through hole 32 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the third through hole 33 of the lower fixed valve plate 30, and the through hole 43 is used for communicating the fifth through hole 35 of the lower fixed valve plate 30 with the fourth through hole 54 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the second through hole 32 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71, flows downward through the filter element 73, washes the regenerant remaining in the filter element 73, and the washed residue sequentially flows through the lower water distributor 74 and the central tube 72 to the filter element lower connector 22, flows to the fifth through hole 35 of the lower fixed valve plate, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the fourth through hole 54 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the third through hole 33 of the lower fixed valve plate, and no water flows.

Example 3: the main flow passage is divided into six equal parts, water is supplemented to the salt tank, and simultaneously the softening valve is regenerated by soft water preparation and forward flow.

As shown in fig. 6, 22, 23, and 35, in this embodiment, the lower fixed valve plate shown in fig. 35, the movable valve plate shown in fig. 22, and the upper fixed valve plate shown in fig. 23 are used. The multifunctional softening valve with double static sheets in the third embodiment comprises a lower valve body 20, an upper valve body 10, a lower fixed valve sheet 30, a movable valve sheet 40, an upper fixed valve sheet 50 and a driving device 60 for controlling the rotation of the movable valve sheet. The lower valve body 20 is provided with a filter element upper connector 21, a filter element lower connector 22 and a salt absorption branch flow passage 23, and the salt absorption branch flow passage 23 is provided with an ejector inlet 24, an ejector outlet 25 and a brine inlet 26. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate 30, a first through hole 31, a second through hole 32, a third through hole 33, a fourth through hole 34, a fifth through hole 35, a sixth through hole 36 and a seventh through hole 37 are formed in the outer rotary circle of the lower fixed valve plate 30, the first through hole 31 and the second through hole 32 are communicated with the filter element upper connector 21, the third through hole 33, the fourth through hole 34 and the fifth through hole 35 are communicated with the filter element lower connector 22, the sixth through hole 36 is communicated with the ejector inlet 24, the seventh through hole 37 is communicated with the ejector outlet 25, the first through hole 31 and the fourth through hole 34 are arranged according to a six-equal-division angle in the circumference, the second through hole 32, the third through hole 33, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged according to a twelve-equal-division angle in the circumference, and the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34, the fifth through hole 35, the sixth through; four through holes are arranged on the outer rotary circle of the upper fixed valve plate 50, a first through hole 51, a second through hole 52, a third through hole 53 and a fourth through hole 54 are arranged on the outer rotary circle of the upper fixed valve plate 50, the third through hole 53 is communicated with the water outlet 12 of the upper valve body 10, the first through hole 51, the second through hole 52 and the fourth through hole 54 are communicated with the water outlet 13, and the first through hole 51, the second through hole 52, the third through hole 53 and the fourth through hole 54 are arranged in sequence at six equal angles on the circumference and are adjacent to each other two by two; the movable valve plate 40 is provided with a water inlet channel 41 which is closed at the upper part and is in a fan shape and communicated to the outer side of the circumference of the movable valve plate, an arc-shaped conduction blind hole 42 and a through hole 43, and the water inlet channel 41 is normally communicated with the water inlet 11 on the upper valve body 10. The holes of the lower fixed valve plate 30 and the movable valve plate 40 and the holes of the upper fixed valve plate 50 and the movable valve plate 40 are matched on the same radius of gyration.

The softening valve designed in this way has the following advantages: the station requiring only small flow for backwashing, salt absorption regeneration, forward flushing and water supplement to the salt tank is divided into twelve equal angular areas, and the station for preparing soft water is divided into six equal angular areas, so that five basic functions of soft water preparation, backwashing, forward flow salt absorption regeneration, forward flushing and water supplement (simultaneously soft water preparation) to the salt tank can be realized on the premise of ensuring the circulation capacity, and the time from regeneration to soft water preparation is shortened by the characteristic of soft water preparation while water supplement to the salt tank.

Soft water preparation state: as shown in fig. 6, 36 and 25, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is communicated with the first through hole 31 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and the through hole 43 is communicated with the fourth through hole 34 of the lower fixed valve plate 30 and the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, then flows to the filter element lower connector 22 through the lower water distributor 74 and the center pipe 72, flows to the fourth through hole 34 of the lower fixed valve plate 30, and flows to the third through hole 53 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the third through hole 53 of the upper fixed valve plate 50 is communicated with the water outlet 12 of the upper valve body 10, the water flows out of the water outlet 12. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and there is no water flow.

Back washing state: as shown in fig. 9, 37, and 27, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the fourth through hole 34 on the lower fixed valve plate 30, the through hole 42 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the fourth through hole 34 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter core lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter core 73, loosens and washes the filter core 73, and the washed dirt flows to the filter core upper connector 21 through the upper water distributor 71, flows to the first through hole 31 of the lower fixed valve plate, and flows to the first through hole 51 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the first through hole 51 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10, the water flows out from the water outlet 13. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and no water flows.

Downstream salt absorption regeneration state: as shown in fig. 28, 38 and 30, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the sixth through hole 36 on the lower fixed valve plate 30, the communication blind hole 42 communicates the seventh through hole 37 of the lower fixed valve plate 30 with the first through hole 31, and the through hole 43 communicates the third through hole 33 of the lower fixed valve plate 30 with the second through hole 52 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the sixth through hole 36 of the lower fixed valve plate through the water inlet channel 41 of the movable valve plate 40, passes through the branch channel 23 to the inlet 24 of the ejector, after being ejected, negative pressure is generated at the brine inlet 26, at this time, the regenerant in the brine tank 80 is sucked to the brine inlet 26 through the pipeline, is mixed with the water entering from the inlet 24 of the ejector, flows to the outlet 25 of the ejector, flows to the seventh through hole 37 of the lower fixed valve plate 30, is guided to the first through hole 31 of the lower fixed valve plate through the conducting blind hole 42 of the movable valve plate 40, the mixed water flows through the upper connector 21 of the filter element and the upper water distributor 71 to enter the upper part of the water treatment tank 70, flows downwards through the filter element 73, after the mixed water flow regenerates the filter element 73 downstream, flows to the lower connector 22 through the lower water distributor 74 and the central pipe 72, flows to the third through hole 33 of the filter element, and is communicated to the second through hole 52 of the upper, since the second through hole 52 of the upper stationary plate 50 communicates with the drain port 13 of the upper valve body 10, water flows out of the drain port 13.

A positive flushing state: as shown in fig. 18, 39 and 34, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the second through hole 32 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the third through hole 33 of the lower fixed valve plate 30, and the through hole 43 is used for communicating the fifth through hole 35 of the lower fixed valve plate 30 with the fourth through hole 54 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the second through hole 32 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71, flows downward through the filter element 73, washes the regenerant remaining in the filter element 73, and the washed residue sequentially flows through the lower water distributor 74 and the central tube 72 to the filter element lower connector 22, flows to the fifth through hole 35 of the lower fixed valve plate, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the fourth through hole 54 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the third through hole 33 of the lower fixed valve plate, and no water flows.

Salt tank moisturizing (soft water preparation simultaneously) state: as shown in fig. 40, 41 and 42, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the seventh through hole 37 and the first through hole 31 on the lower fixed valve plate 30, the through blind hole 42 communicates the first through hole 31 and the second through hole of the lower fixed valve plate 30, and the through hole 43 communicates the fourth through hole 34 of the lower fixed valve plate 30 with the third through hole 53 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the seventh through hole 37 and the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, one path of water enters the ejector outlet 25 of the branch flow channel 23 through the seventh through hole 37 of the lower fixed valve plate 30, and then flows to the brine tank 80 from the brine inlet 26 through the pipeline to the air check valve 81, the other path of water enters the first through hole 31 of the lower fixed valve plate 30, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, flows to the filter element lower connector 22 through the lower water distributor 74 and the central pipe 72, flows to the fourth through hole 34 of the lower fixed valve plate 30, and flows to the third through hole 53 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and flows out of the water outlet 12 of the upper fixed valve plate 50 because the third through hole 53 of the upper fixed valve plate 50. At this time, the conduction blind hole 42 of the movable valve plate 40 conducts the first through hole 31 and the second through hole 32 of the lower fixed valve plate 30, and both the first through hole 31 and the second through hole 32 are communicated with the upper water distribution connector 21, so that no water flows.

Example 4: the scheme of the softening valve is regenerated by seven equal parts of the main flow channel and forward flow.

As shown in fig. 6, 43, 44, and 45, in the present embodiment, the lower fixed valve sheet shown in fig. 43, the movable valve sheet shown in fig. 44, and the upper fixed valve sheet shown in fig. 45 are used. The multifunctional softening valve with double static sheets in the fourth embodiment comprises a lower valve body 20, an upper valve body 10, a lower fixed valve sheet 30, a movable valve sheet 40, an upper fixed valve sheet 50 and a driving device 60 for controlling the rotation of the movable valve sheet. The lower valve body 20 is provided with a filter element upper connector 21, a filter element lower connector 22 and a salt absorption branch flow passage 23, and the salt absorption branch flow passage 23 is provided with an ejector inlet 24, an ejector outlet 25 and a brine inlet 26. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate 30, a first through hole 31, a second through hole 32, a third through hole 33, a fourth through hole 34, a fifth through hole 35, a sixth through hole 36 and a seventh through hole 37 are formed in the outer rotary circle of the lower fixed valve plate 30, the first through hole 31 and the second through hole 32 are communicated with the filter element upper connector 21, the third through hole 33, the fourth through hole 34 and the fifth through hole 35 are communicated with the filter element lower connector 22, the sixth through hole 36 is communicated with the ejector inlet 24, the seventh through hole 37 is communicated with the ejector outlet 25, the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34 and the fifth through hole 35 are arranged at seven equal angles along the circumference, the sixth through hole 36 and the seventh through hole 37 are arranged at fourteen equal angles along the circumference, and the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged; five through holes are formed in the outer rotary circle of the upper fixed valve plate 50, a first through hole 51, a second through hole 52, a third through hole 53, a fourth through hole 54 and a fifth through hole 55 are formed in the outer rotary circle of the upper fixed valve plate 50, the fifth through hole 55 is communicated with the water outlet 12 of the upper valve body 10, the first through hole 51, the second through hole 52, the third through hole 53 and the fourth through hole 54 are communicated with the water outlet 13, and the first through hole 51, the second through hole 52, the third through hole 53, the fourth through hole 54 and the fifth through hole 55 are arranged in sequence at seven equal angles on the circumference and are adjacent to each other; the movable valve plate 40 is provided with a water inlet channel 41 which is closed at the upper part and is in a fan shape and communicated to the outer side of the circumference of the movable valve plate, an arc-shaped conduction blind hole 42 and a through hole 43, and the water inlet channel 41 is normally communicated with the water inlet 11 on the upper valve body 10. The holes of the lower fixed valve plate 30 and the movable valve plate 40 and the holes of the upper fixed valve plate 50 and the movable valve plate 40 are matched on the same radius of gyration.

The softening valve designed in this way has the following advantages: the station requiring only small flow for back washing, salt absorption regeneration, forward washing and water supplement to the salt tank is divided into fourteen equal angular areas, and the station for soft water preparation is divided into seven equal angular areas, so that five basic functions of soft water preparation, back washing, forward flow salt absorption regeneration, water supplement to the salt tank and forward washing of softened water treatment can be realized on the premise of ensuring the circulation capacity.

Soft water preparation state: as shown in fig. 6, 46 and 47, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is communicated with the second through hole 32 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the third through hole 33 of the lower fixed valve plate 30, and the through hole 43 is communicated with the fifth through hole 35 of the lower fixed valve plate 30 and the fifth through hole 55 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the second through hole 32 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, then flows to the filter element lower connector 22 through the lower water distributor 74 and the center pipe 72, flows to the fifth through hole 35 of the lower fixed valve plate 30, and flows to the fifth through hole 55 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the fifth through hole 55 of the upper fixed valve plate 50 is communicated with the water outlet 12 of the upper valve body 10, the water flows out of the water outlet 12. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the third through hole 33 of the lower fixed valve plate 30, and no water flows.

Back washing state: as shown in fig. 9, 48 and 49, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the fourth through hole 34 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the fourth through hole 34 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter core lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter core 73, loosens and washes the filter core 73, and the washed dirt flows to the filter core upper connector 21 through the upper water distributor 71, flows to the first through hole 31 of the lower fixed valve plate, and flows to the first through hole 51 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the first through hole 51 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10, the water flows out from the water outlet 13. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and no water flows.

Or as shown in fig. 9, 50, and 51, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the fifth through hole 35 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the sixth through hole 36 of the lower fixed valve plate 30, and the through hole 43 communicates the second through hole 32 of the lower fixed valve plate 30 with the second through hole 52 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the fifth through hole 35 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter element lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter element 73, loosens and washes the filter element 73, and the washed dirt flows to the filter element upper connector 21 through the upper water distributor 71, flows to the second through hole 32 of the lower fixed valve plate, and flows to the second through hole 52 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the second through hole 52 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the blind through hole 42 of the movable valve plate 40 is only communicated with the sixth through hole 36 of the lower fixed valve plate 30, and there is no water flow.

Downstream salt absorption regeneration state: as shown in fig. 28, 52 and 53, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the sixth through hole 36 on the lower fixed valve plate 30, the communication blind hole 42 communicates the seventh through hole 37 of the lower fixed valve plate 30 with the first through hole 31, and the through hole 43 communicates the third through hole 33 of the lower fixed valve plate 30 with the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the sixth through hole 36 of the lower fixed valve plate through the water inlet channel 41 of the movable valve plate 40, passes through the branch channel 23 to the inlet 24 of the ejector, after being ejected, negative pressure is generated at the brine inlet 26, at this time, the regenerant in the brine tank 80 is sucked to the brine inlet 26 through the pipeline, is mixed with the water entering from the inlet 24 of the ejector, flows to the outlet 25 of the ejector, flows to the seventh through hole 37 of the lower fixed valve plate 30, is guided to the first through hole 31 of the lower fixed valve plate through the conducting blind hole 42 of the movable valve plate 40, the mixed water flows through the upper connector 21 of the filter element and the upper water distributor 71 to enter the upper part of the water treatment tank 70, flows downwards through the filter element 73, after the mixed water flow regenerates the filter element 73 downstream, flows to the lower connector 22 through the lower water distributor 74 and the central pipe 72, flows to the third through hole 33 of the filter element, and is communicated to the third through hole 53, since the third through hole 53 of the upper stationary valve plate 50 communicates with the drain port 13 of the upper valve body 10, water flows out of the drain port 13.

The water replenishing state of the salt box: as shown in fig. 15, 54 and 55, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the sixth through hole 36 and the seventh through hole 37 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the first through hole 31 of the lower fixed valve plate 30, and the through hole 43 is communicated with the third through hole 33 of the lower fixed valve plate 30 and the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the sixth through hole 36 and the seventh through hole 37 of the lower fixed valve plate 30 through the water inlet passage 41 of the movable valve plate 40, enters the ejector inlet 24 and the ejector outlet 25 of the bypass flow passage 23, joins from the brine inlet 26, and flows to the brine tank 80 through the pipe to the air check valve 81. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the first through hole 31 of the lower fixed valve plate 30, the through hole 43 communicates the third through hole 33 of the lower fixed valve plate 30 with the third through hole 53 of the upper fixed valve plate 50, and no water flows.

A positive flushing state: as shown in fig. 18, 56, and 57, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the first through hole 31 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and the through hole 43 communicates the fourth through hole 34 of the lower fixed valve plate 30 with the fourth through hole 54 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71, flows downward through the filter element 73, washes the regenerant remaining in the filter element 73, and the washed residue sequentially flows through the lower water distributor 74 and the central tube 72 to the filter element lower connector 22, flows to the fourth through hole 34 of the lower fixed valve plate, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the fourth through hole 54 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the second through hole 32 of the lower fixed valve plate, and no water flows.

Example 5: the main flow passage is divided into seven equal parts, water is supplemented to the salt tank, and simultaneously the softening valve is regenerated by soft water preparation and forward flow.

As shown in fig. 6, 58, 44 and 45, in the present embodiment, the lower fixed valve sheet shown in fig. 58, the movable valve sheet shown in fig. 44 and the upper fixed valve sheet shown in fig. 45 are used. The multifunctional softening valve with double static sheets in the fifth embodiment comprises a lower valve body 20, an upper valve body 10, a lower fixed valve sheet 30, a movable valve sheet 40, an upper fixed valve sheet 50 and a driving device 60 for controlling the rotation of the movable valve sheet. The lower valve body 20 is provided with a filter element upper connector 21, a filter element lower connector 22 and a salt absorption branch flow passage 23, and the salt absorption branch flow passage 23 is provided with an ejector inlet 24, an ejector outlet 25 and a brine inlet 26. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate 30, a first through hole 31, a second through hole 32, a third through hole 33, a fourth through hole 34, a fifth through hole 35, a sixth through hole 36 and a seventh through hole 37 are formed in the outer rotary circle of the lower fixed valve plate 30, the first through hole 31 and the second through hole 32 are communicated with the filter element upper connector 21, the third through hole 33, the fourth through hole 34 and the fifth through hole 35 are communicated with the filter element lower connector 22, the sixth through hole 36 is communicated with the ejector inlet 24, the seventh through hole 37 is communicated with the ejector outlet 25, the first through hole 31, the second through hole 32, the fourth through hole 34 and the fifth through hole 35 are arranged at seven equal angles along the circumference, the third through hole 33, the sixth through hole 36 and the seventh through hole 37 are arranged at fourteen equal angles along the circumference, and the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged; five through holes are formed in the outer rotary circle of the upper fixed valve plate 50, a first through hole 51, a second through hole 52, a third through hole 53, a fourth through hole 54 and a fifth through hole 55 are formed in the outer rotary circle of the upper fixed valve plate 50, the fourth through hole 54 is communicated with the water outlet 12 of the upper valve body 10, the first through hole 51, the second through hole 52, the third through hole 53 and the fifth through hole 55 are communicated with the water outlet 13, and the first through hole 51, the second through hole 52, the third through hole 53, the fourth through hole 54 and the fifth through hole 55 are sequentially arranged in an angle-dividing mode according to the seven equal degrees of the circumference and are adjacent; the movable valve plate 40 is provided with a water inlet channel 41 which is closed at the upper part and is in a fan shape and communicated to the outer side of the circumference of the movable valve plate, an arc-shaped conduction blind hole 42 and a through hole 43, and the water inlet channel 41 is normally communicated with the water inlet 11 on the upper valve body 10. The holes of the lower fixed valve plate 30 and the movable valve plate 40 and the holes of the upper fixed valve plate 50 and the movable valve plate 40 are matched on the same radius of gyration.

The softening valve designed in this way has the following advantages: the station requiring only small flow for backwashing, salt absorption regeneration, forward flushing and water supplement to the salt tank is divided into fourteen equal-angle areas, and the station for preparing soft water is divided into seven equal-angle areas, so that five basic functions of soft water preparation, backwashing, forward flow salt absorption regeneration, forward flushing and water supplement (simultaneously soft water preparation) to the salt tank for water softening treatment can be realized on the premise of ensuring the circulation capacity, and the time from regeneration to soft water preparation is shortened due to the characteristic of soft water preparation while water supplement is performed to the salt tank.

Soft water preparation state: as shown in fig. 6, 59, and 60, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is communicated with the first through hole 31 on the lower fixed valve plate 30, the through hole 42 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and the through hole 43 is communicated with the fourth through hole 34 of the lower fixed valve plate 30 and the fourth through hole 54 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, then flows to the filter element lower connector 22 through the lower water distributor 74 and the center pipe 72, flows to the fourth through hole 34 of the lower fixed valve plate 30, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the fourth through hole 54 of the upper fixed valve plate 50 is communicated with the water outlet 12 of the upper valve body 10, the water flows out of the water outlet 12. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and there is no water flow.

Back washing state: as shown in fig. 9, 61, and 62, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the fifth through hole 35 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the sixth through hole 36 of the lower fixed valve plate 30, and the through hole 43 communicates the second through hole 32 of the lower fixed valve plate 30 with the second through hole 52 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the fifth through hole 35 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter element lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter element 73, loosens and washes the filter element 73, and the washed dirt flows to the filter element upper connector 21 through the upper water distributor 71, flows to the second through hole 32 of the lower fixed valve plate, and flows to the second through hole 52 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the second through hole 52 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the blind through hole 42 of the movable valve plate 40 is only communicated with the sixth through hole 36 of the lower fixed valve plate 30, and there is no water flow.

Downstream salt absorption regeneration state: as shown in fig. 28, 63, and 64, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the sixth through hole 36 on the lower fixed valve plate 30, the communication blind hole 42 communicates the seventh through hole 37 of the lower fixed valve plate 30 with the first through hole 31, and the through hole 43 communicates the third through hole 33 of the lower fixed valve plate 30 with the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the sixth through hole 36 of the lower fixed valve plate through the water inlet channel 41 of the movable valve plate 40, passes through the branch channel 23 to the inlet 24 of the ejector, after being ejected, negative pressure is generated at the brine inlet 26, at this time, the regenerant in the brine tank 80 is sucked to the brine inlet 26 through the pipeline, is mixed with the water entering from the inlet 24 of the ejector, flows to the outlet 25 of the ejector, flows to the seventh through hole 37 of the lower fixed valve plate 30, is guided to the first through hole 31 of the lower fixed valve plate through the conducting blind hole 42 of the movable valve plate 40, the mixed water flows through the upper connector 21 of the filter element and the upper water distributor 71 to enter the upper part of the water treatment tank 70, flows downwards through the filter element 73, after the mixed water flow regenerates the filter element 73 downstream, flows to the lower connector 22 through the lower water distributor 74 and the central pipe 72, flows to the third through hole 33 of the filter element, and is communicated to the third through hole 53, since the third through hole 53 of the upper stationary valve plate 50 communicates with the drain port 13 of the upper valve body 10, water flows out of the drain port 13.

A positive flushing state: as shown in fig. 18, 65 and 66, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the second through hole 32 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the third through hole 33 of the lower fixed valve plate 30, and the through hole 43 communicates the fifth through hole 35 of the lower fixed valve plate 30 with the fifth through hole 55 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the second through hole 32 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the upper connector 21 and the upper water distributor 71 of the filter element, flows downward through the filter element 73, washes the regenerant remaining in the filter element 73, and the washed residue sequentially flows through the lower water distributor 74 and the central tube 72 to the lower connector 22 of the filter element, flows to the fifth through hole 35 of the lower fixed valve plate, and flows to the fifth through hole 55 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and flows out from the water outlet 13 because the fifth through hole 55 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the third through hole 33 of the lower fixed valve plate, and no water flows.

Salt tank moisturizing (soft water preparation simultaneously) state: as shown in fig. 40, 67 and 68, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the seventh through hole 37 and the first through hole 31 on the lower fixed valve plate 30, the through blind hole 42 communicates the first through hole 31 and the second through hole of the lower fixed valve plate 30, and the through hole 43 communicates the fourth through hole 34 of the lower fixed valve plate 30 with the fourth through hole 54 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the seventh through hole 37 and the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, one path of water enters the ejector outlet 25 of the branch flow channel 23 through the seventh through hole 37 of the lower fixed valve plate 30, and then flows to the brine tank 80 from the brine inlet 26 through the pipeline to the air check valve 81, the other path of water enters the first through hole 31 of the lower fixed valve plate 30, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, flows to the filter element lower connector 22 through the lower water distributor 74 and the central pipe 72, flows to the fourth through hole 34 of the lower fixed valve plate 30, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and flows out of the water outlet 12 of the upper fixed valve plate 50 because the fourth through hole 54 of the upper fixed valve plate 50. At this time, the conduction blind hole 42 of the movable valve plate 40 conducts the first through hole 31 and the second through hole 32 of the lower fixed valve plate 30, and both the first through hole 31 and the second through hole 32 are communicated with the upper water distribution connector 21, so that no water flows.

Example 6: the main flow channel is divided into seven equal parts and reversely flows to regenerate the softening valve.

As shown in fig. 6, 69, 70, and 71, in this embodiment, the lower fixed valve sheet shown in fig. 69, the movable valve sheet shown in fig. 70, and the upper fixed valve sheet shown in fig. 71 are used. The multifunctional softening valve with double static sheets in the fourth embodiment comprises a lower valve body 20, an upper valve body 10, a lower fixed valve sheet 30, a movable valve sheet 40, an upper fixed valve sheet 50 and a driving device 60 for controlling the rotation of the movable valve sheet. The lower valve body 20 is provided with a filter element upper connector 21, a filter element lower connector 22 and a salt absorption branch flow passage 23, and the salt absorption branch flow passage 23 is provided with an ejector inlet 24, an ejector outlet 25 and a brine inlet 26. Seven through holes are formed in the outer rotary circle of the lower fixed valve plate 30, a first through hole 31, a second through hole 32, a third through hole 33, a fourth through hole 34, a fifth through hole 35, a sixth through hole 36 and a seventh through hole 37 are communicated with the filter element upper connector 21, the second through hole 32, the fifth through hole 35 and the sixth through hole 36 are communicated with the filter element lower connector 22, the third through hole 33 is communicated with the ejector inlet 24, the fourth through hole 34 is communicated with the ejector outlet 25, the first through hole 31, the fourth through hole 34, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are arranged at seven equal angles in the circumference, the second through hole 32 and the third through hole 33 are arranged at fourteen equal angles in the circumference, and the first through hole 31, the second through hole 32, the third through hole 33, the fourth through hole 34, the fifth through hole 35, the sixth through hole 36 and the seventh through hole 37 are sequentially arranged and adjacent to each other; four through holes are arranged on the outer rotary circle of the upper fixed valve plate 50, a first through hole 51, a second through hole 52, a third through hole 53 and a fourth through hole 54 are arranged on the outer rotary circle of the upper fixed valve plate 50, the third through hole 53 is communicated with the water outlet 12 of the upper valve body 10, the first through hole 51, the second through hole 52 and the fourth through hole 54 are communicated with the water outlet 13, and the first through hole 51, the second through hole 52, the third through hole 53 and the fourth through hole 54 are arranged in sequence at seven equal angles on the circumference and are adjacent to each other two by two; the movable valve plate 40 is provided with a water inlet channel 41 which is closed at the upper part and is in a fan shape and communicated to the outer side of the circumference of the movable valve plate, an arc-shaped conduction blind hole 42 and a through hole 43, and the water inlet channel 41 is normally communicated with the water inlet 11 on the upper valve body 10. The holes of the lower fixed valve plate 30 and the movable valve plate 40 and the holes of the upper fixed valve plate 50 and the movable valve plate 40 are matched on the same radius of gyration.

The softening valve designed in this way has the following advantages: the station requiring only small flow for back washing, salt absorption regeneration, forward washing and water supplement to the salt tank is divided into fourteen equal angular areas, and the station for soft water preparation is divided into seven equal angular areas, so that five basic functions of soft water preparation, back washing, reverse flow salt absorption regeneration, water supplement to the salt tank and forward washing of softened water treatment can be realized on the premise of ensuring the flow capacity.

Soft water preparation state: as shown in fig. 6, 72, and 73, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is communicated with the first through hole 31 on the lower fixed valve plate 30, the through hole 42 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and the through hole 43 is communicated with the sixth through hole 36 of the lower fixed valve plate 30 and the third through hole 53 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the first through hole 31 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the filter element upper connector 21 and the upper water distributor 71 of the lower valve body 20, is treated by the filter element 73, then flows to the filter element lower connector 22 through the lower water distributor 74 and the center pipe 72, flows to the sixth through hole 36 of the lower fixed valve plate 30, and flows to the third through hole 53 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the third through hole 53 of the upper fixed valve plate 50 is communicated with the water outlet 12 of the upper valve body 10, the water flows out of the water outlet 12. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the second through hole 32 of the lower fixed valve plate 30, and there is no water flow.

Back washing state: as shown in fig. 9, 74 and 75, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the second through hole 32 on the lower fixed valve plate 30, the through blind hole 42 conducts the third through hole 33 and the fourth through hole 34 of the lower fixed valve plate 30, and the through hole 43 communicates the seventh through hole 37 of the lower fixed valve plate 30 with the fourth through hole 54 of the upper fixed valve plate 50. At this time, water entering from the water inlet 11 enters the second through hole 32 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, sequentially enters the lower part of the water treatment tank 70 through the filter element lower connector 22, the central tube 72 and the lower water distributor 74 of the lower valve body 20, flows upward through the filter element 73, loosens and washes the filter element 73, and the washed dirt flows to the filter element upper connector 21 through the upper water distributor 71, flows to the seventh through hole 37 of the lower fixed valve plate, and flows to the fourth through hole 54 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and because the fourth through hole 54 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10, the water flows out from the water outlet 13. At this time, the conduction blind hole 42 of the movable valve plate 40 conducts the third through hole 33 and the fourth through hole 34 of the lower fixed valve plate 30, and there is no water flow.

And (3) a reverse-flow salt absorption regeneration state: as shown in fig. 12, 76, and 77, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the third through hole 33 on the lower fixed valve plate 30, the through blind hole 42 conducts the fourth through hole 34 and the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 simultaneously communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the third through hole 33 of the lower fixed valve plate through the water inlet channel 41 of the movable valve plate 40, passes through the branch flow channel 23 to the inlet 24 of the ejector, after being ejected, negative pressure is generated at the brine inlet 26, at this time, the regenerant in the brine tank 80 is sucked to the brine inlet 26 through the pipeline, is mixed with the water flowing from the inlet 24 of the ejector, flows to the outlet 25 of the ejector, flows to the fourth through hole 34 of the lower fixed valve plate 30, and is guided to the fifth through hole 35 of the lower fixed valve plate through the conducting blind hole 42 of the movable valve plate 40, the mixed water sequentially flows through the lower filter element connector 22, the central pipe 72, and the lower water distributor 74 to enter the lower part of the water treatment tank 70, and flows upward through the filter element 73, the mixed water flows to the upper part of the water treatment tank 70 after being regenerated in counter-current by the filter element 73, flows to the upper filter element connector 21 through the upper water distributor 71, flows to the first through hole 31 of the lower fixed valve plate, since the first through hole 51 of the upper stationary valve plate 50 communicates with the drain port 13 of the upper valve body 10, water flows out of the drain port 13.

The water replenishing state of the salt box: as shown in fig. 15, 78, and 79, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the third through hole 33 and the fourth through hole 34 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, and the through hole 43 communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the third through hole 33 and the fourth through hole 34 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the ejector inlet 24 and the ejector outlet 25 of the bypass flow channel 23, joins from the brine inlet 26, and flows to the brine tank 80 through the pipe to the air check valve 81. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the fifth through hole 35 of the lower fixed valve plate 30, the through hole 43 communicates the first through hole 31 of the lower fixed valve plate 30 with the first through hole 51 of the upper fixed valve plate 50, and no water flows.

A positive flushing state: as shown in fig. 18, 80, and 81, when the driving device 60 drives the movable valve plate 40 to rotate, and the water inlet channel 41 on the movable valve plate 40 is overlapped and communicated with the seventh through hole 37 on the lower fixed valve plate 30, the through blind hole 42 is only communicated with the first through hole 31 of the lower fixed valve plate 30, and the through hole 43 communicates the fifth through hole 35 of the lower fixed valve plate 30 with the second through hole 52 of the upper fixed valve plate 50. At this time, the water entering from the water inlet 11 enters the seventh through hole 37 of the lower fixed valve plate 30 through the water inlet channel 41 of the movable valve plate 40, enters the water treatment tank 70 through the upper connector 21 and the upper water distributor 71 of the filter element, flows downwards through the filter element 73, washes the regenerant remaining in the filter element 73, and the washed residue sequentially flows to the lower connector 22 of the filter element through the lower water distributor 74 and the central tube 72, flows to the fifth through hole 35 of the lower fixed valve plate, and flows to the second through hole 52 of the upper fixed valve plate 50 through the through hole 43 of the movable valve plate 40, and the water flows out of the water outlet 13 because the second through hole 52 of the upper fixed valve plate 50 is communicated with the water outlet 13 of the upper valve body 10. At this time, the through blind hole 42 of the movable valve plate 40 is only communicated with the first through hole 31 of the lower fixed valve plate, and no water flows.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention. For example: change the shape of the hole on the fixed valve piece, adjust the position of the inlet through hole on the movable valve piece, switch on the blind hole etc. change the shape of through hole on the fixed valve piece etc. it is to each through hole or blind hole of fixed valve piece and movable valve piece to mirror the utility model discloses an within the protection scope.

Claims

1. A double-static-piece multifunctional softening valve is characterized by comprising a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the movable valve plate to rotate, wherein the upper fixed valve plate is fixed in the upper valve body; the lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the seventh through hole are communicated with an upper connector of the filter element, the second through hole, the fifth through hole and the sixth through hole are communicated with a lower connector of the filter element, the third through hole is communicated with an inlet of the ejector, the fourth through hole is communicated with an outlet of the ejector, the first through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at six equal angles on the circumference, the second through hole, the third through hole and the fourth through hole are arranged at twelve equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in six equal angle degrees of the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

2. The multifunctional double-stator softening valve according to claim 1, wherein the second through hole, the third through hole and the fourth through hole for back washing, forward washing, salt absorption regeneration, and water supply flow passage to the salt tank are arranged on the outer circumference of the lower stationary plate at equal angles of angle a, and the first through hole, the fifth through hole, the sixth through hole and the seventh through hole for soft water production flow passage are arranged at equal angles of angle B, wherein angle B is twice of angle a.

3. The dual-static-sheet multifunctional softening valve of claim 1, wherein the fit relationship between the movable valve sheet and the upper and lower fixed valve sheets comprises: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate conducts the third through hole and the fourth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the fourth through hole of the lower fixed valve plate with the fifth through hole, and the through hole of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate and the first through hole and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole and the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the first through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

4. A double-static-piece multifunctional softening valve is characterized by comprising a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the movable valve plate to rotate, wherein the upper fixed valve plate is fixed in the upper valve body; the lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the second through hole are communicated with an upper connector of the filter element, the third through hole, the fourth through hole and the fifth through hole are communicated with a lower connector of the filter element, the sixth through hole is communicated with an inlet of the ejector, the seventh through hole is communicated with an outlet of the ejector, the first through hole, the third through hole and the fourth through hole are arranged at six equal angles on the circumference, the second through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at twelve equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in six equal angle degrees of the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

5. The multifunctional double-stator softening valve according to claim 4, wherein the second through hole, the fifth through hole, the sixth through hole and the seventh through hole for back washing, forward washing, salt absorption regeneration and water supply channel to the salt tank are arranged on the outer circumference of the lower fixed valve plate at equal angles of A, the first through hole, the third through hole and the fourth through hole for soft water channel are arranged at equal angles of B, and the angle B is twice of the angle A.

6. The dual-static-sheet multifunctional softening valve of claim 4, wherein the fit relationship between the movable valve sheet and the upper and lower fixed valve sheets comprises: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the first through hole and the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

7. A double-static-piece multifunctional softening valve is characterized by comprising a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the movable valve plate to rotate, wherein the upper fixed valve plate is fixed in the upper valve body; the lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the second through hole are communicated with an upper connector of the filter element, the third through hole, the fourth through hole and the fifth through hole are communicated with a lower connector of the filter element, the sixth through hole is communicated with an inlet of the ejector, the seventh through hole is communicated with an outlet of the ejector, the first through hole, the third through hole and the fourth through hole are arranged at six equal angles on the circumference, the second through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at twelve equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in six equal angle degrees of the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

8. The dual-stator multifunctional softening valve of claim 7, wherein the second through hole, the third through hole, the fifth through hole, the sixth through hole and the seventh through hole for back washing, forward washing, salt absorption regeneration, and water supply channel to the salt tank are arranged on the outer circumference of the lower fixed valve plate at equal angles of A, the first through hole and the fourth through hole for soft water channel are arranged at equal angles of B, and the angle of B is twice of the angle of A.

9. The dual-static-sheet multifunctional softening valve of claim 7, wherein the fit relationship between the movable valve sheet and the upper and lower fixed valve sheets comprises: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the first through hole and the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

10. A double-static-piece multifunctional softening valve is characterized by comprising a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the movable valve plate to rotate, wherein the upper fixed valve plate is fixed in the upper valve body; the lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole; five through holes are formed in the excircle turning circle of the upper fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, wherein the fifth through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole, the third through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole are sequentially arranged at seven equal angles on the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

11. The dual-stator multifunctional softening valve of claim 10, wherein a sixth through hole and a seventh through hole for back washing, forward washing, salt absorption regeneration, and water supply flow passage to a salt tank are arranged on the outer circumference of the lower stationary plate at equal angles of angle a, and a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole for soft water flow passage are arranged at equal angles of angle B, wherein angle B is twice angle a.

12. The dual-static-sheet multifunctional softening valve of claim 10, wherein the fit relationship between the movable valve sheet and the upper and lower fixed valve sheets comprises: the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fifth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate, or the water inlet channel of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the sixth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the second through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole and the seventh through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the first through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

13. A double-static-piece multifunctional softening valve is characterized by comprising a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the movable valve plate to rotate, wherein the upper fixed valve plate is fixed in the upper valve body; the lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole are formed in the outer rotary circle of the lower fixed valve plate, the first through hole and the second through hole are communicated with an upper connector of the filter element, the third through hole, the fourth through hole and the fifth through hole are communicated with a lower connector of the filter element, the sixth through hole is communicated with an inlet of the ejector, the seventh through hole is communicated with an outlet of the ejector, the first through hole, the second through hole and the fifth through hole are arranged at an equal angle of seven equal parts of the circumference, the third through hole, the fourth through hole, the sixth through hole and the seventh through hole are arranged at an equal angle of fourteen times of the circumference, and the first through hole, the second through hole, the third through hole, the; five through holes are formed in the excircle turning circle of the upper fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole, wherein the fourth through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole, the third through hole and the fifth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole are sequentially arranged at seven equal angles on the circumference and are adjacent to each other; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

14. The dual-stator multifunctional softening valve of claim 13, wherein a third through hole, a sixth through hole and a seventh through hole for back washing, forward washing, salt absorption regeneration, and a water supply channel to a salt tank are arranged on the outer circumference of the lower stationary plate at equal angles of an angle a, and a first through hole, a second through hole, a fourth through hole and a fifth through hole for a soft water channel are arranged at equal angles of an angle B, wherein the angle B is twice the angle a.

15. The dual-static-sheet multifunctional softening valve of claim 13, wherein the fit relationship between the movable valve sheet and the upper and lower fixed valve sheets comprises: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fourth through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the sixth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the second through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate, the seventh through hole of the lower fixed valve plate is communicated with the first through hole through the arc-shaped communicating blind hole of the movable valve plate, and the through hole of the movable valve plate is communicated with the third through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the third through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the fifth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the first through hole and the seventh through hole of the lower fixed valve plate, the circular arc-shaped conduction blind hole of the movable valve plate conducts the first through hole and the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate communicates the fourth through hole of the lower fixed valve plate with the fourth through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

16. A double-static-piece multifunctional softening valve is characterized by comprising a lower valve body, an upper valve body, a lower fixed valve plate, a movable valve plate, an upper fixed valve plate and a driving device for controlling the movable valve plate to rotate, wherein the upper fixed valve plate is fixed in the upper valve body; the lower valve body is provided with a filter element upper connector, a filter element lower connector and a salt absorption branch flow passage, and the salt absorption branch flow passage is provided with an ejector inlet, an ejector outlet and a salt water inlet; seven through holes are formed in the outer rotary circle of the lower fixed valve plate, and are a first through hole, a second through hole, a third through hole, a fourth through hole, a fifth through hole, a sixth through hole and a seventh through hole, the first through hole and the seventh through hole are communicated with an upper connector of the filter element, the second through hole, the fifth through hole and the sixth through hole are communicated with a lower connector of the filter element, the third through hole is communicated with an inlet of the ejector, the fourth through hole is communicated with an outlet of the ejector, the first through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole are arranged at seven equal angles on the circumference, the second through hole and the third through hole are arranged at fourteen equal angles on the circumference, and the first through hole, the second through hole, the third through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through; four through holes, namely a first through hole, a second through hole, a third through hole and a fourth through hole, are formed in the excircle turning circle of the upper fixed valve plate, the third through hole is communicated with the water outlet of the upper valve body, the first through hole, the second through hole and the fourth through hole are communicated with the water outlet, and the first through hole, the second through hole, the third through hole and the fourth through hole are sequentially arranged in an angle-dividing manner according to seven equal parts of the circumference and are adjacent to each other two by two; the movable valve plate is provided with a water inlet channel, an arc-shaped conduction blind hole and a through hole, the water inlet channel is a channel with a closed upper part and a fan shape and communicated to the outer side of the circumference of the movable valve plate, and the water inlet channel is normally communicated with a water inlet on the upper valve body.

17. The dual-stator multifunctional softening valve of claim 16, wherein the second through hole and the third through hole for back washing, forward washing, salt absorption regeneration, and water supply channel to the salt tank are arranged on the outer circumference of the lower stationary plate at equal angles of angle a, and the first through hole, the fourth through hole, the fifth through hole, the sixth through hole and the seventh through hole for soft water channel are arranged at equal angles of angle B, wherein angle B is twice of angle a.

18. The dual-static-sheet multifunctional softening valve of claim 16, wherein the fit relationship between the movable valve sheet and the upper and lower fixed valve sheets comprises: the water inlet channel of the movable valve plate is communicated with the first through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the second through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the sixth through hole of the lower fixed valve plate and the third through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the second through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate conducts the third through hole and the fourth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate and the fourth through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole of the lower fixed valve plate, the circular-arc-shaped conduction blind hole of the movable valve plate conducts the fourth through hole of the lower fixed valve plate with the fifth through hole, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the third through hole and the fourth through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the fifth through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the first through hole of the lower fixed valve plate and the first through hole of the upper fixed valve plate; the water inlet channel of the movable valve plate is communicated with the seventh through hole of the lower fixed valve plate, the arc-shaped conduction blind hole of the movable valve plate is only communicated with the first through hole of the lower fixed valve plate, and the through hole of the movable valve plate is communicated with the fifth through hole of the lower fixed valve plate and the second through hole of the upper fixed valve plate; in the matching relationship between the movable valve plate and the upper and lower fixed valve plates, the water inlet channel and the arc-shaped conduction blind hole of the movable valve plate are not communicated with all the through holes of the upper fixed valve plate.

19. A water treatment apparatus, characterized in that the water treatment apparatus is constituted by using the double-static-sheet multifunctional softening valve as claimed in any one of claims 1 to 18, which communicates with a tank body mounted with resin.