WO2015106723A1 - 一种控制阀 - Google Patents

一种控制阀 Download PDF

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Publication number
WO2015106723A1
WO2015106723A1 PCT/CN2015/071056 CN2015071056W WO2015106723A1 WO 2015106723 A1 WO2015106723 A1 WO 2015106723A1 CN 2015071056 W CN2015071056 W CN 2015071056W WO 2015106723 A1 WO2015106723 A1 WO 2015106723A1
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WO
WIPO (PCT)
Prior art keywords
hole
valve
valve piece
piece
water
Prior art date
Application number
PCT/CN2015/071056
Other languages
English (en)
French (fr)
Inventor
伍孝荣
原海林
伍先水
Original Assignee
温州市润新机械制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201410025506.8A external-priority patent/CN103994250A/zh
Priority claimed from CN201420428495.3U external-priority patent/CN204083361U/zh
Application filed by 温州市润新机械制造有限公司 filed Critical 温州市润新机械制造有限公司
Priority to PL15737441T priority Critical patent/PL3104053T3/pl
Priority to US15/112,920 priority patent/US10359122B2/en
Priority to EP15737441.4A priority patent/EP3104053B1/en
Priority to ES15737441T priority patent/ES2844587T3/es
Publication of WO2015106723A1 publication Critical patent/WO2015106723A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
    • F16K11/0743—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces with both the supply and the discharge passages being on one side of the closure plates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/005—Valves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Definitions

  • the invention relates to the technical field of water treatment, in particular to a control valve of a planar sealing structure.
  • control valves for flat seal structures in the field of water treatment, the market has recognized the structure of planar valves.
  • industrial or domestic water treatment systems must use the control valve to switch the flow channel.
  • control valves require filtration, backwashing, and flushing.
  • the process of softening the system such as backwashing, salt absorption, hydrating to the salt tank, and flushing, etc., is called a regeneration process; the non-filtration process such as backwashing and flushing of the filtration system is collectively referred to as a regeneration process. Washing process.
  • the hardness of the water entering the boiler shall not exceed 0.03 mmol/L. Therefore, it is generally required that the control valve of the water treatment system shall not have untreated water during the regeneration process. boiler. Therefore, the planar valves on the existing market basically have such a structure that the water outlet does not emit water during the regeneration process.
  • the hardness requirement for inlet water is low, and it is not higher than 0.6mmol/L.
  • the regeneration process of the water treatment system generally takes more than two hours, and the rinsing process generally takes 30 minutes. In the system where the water treatment system does not produce water during the regeneration process, in order to ensure sufficient water supply during the regeneration process or the rinsing process. Subsequent system use requires a large storage tank.
  • the civil water treatment system generally does not have a water storage tank. If the water treatment system is in the process of regeneration or rinsing, there is no water flowing out to the household. There is no water when there is an urgent need for water. Therefore, in the North American and European markets, water treatment systems for households generally require raw water to flow from the water outlet during the regeneration or rinsing process.
  • the raw water according to the present invention means untreated water.
  • the existing water treatment control valve adopting a flat sealing structure for example, a multi-functional softening valve of Chinese patent CN201305482Y, CN201305482Y is a multifunctional softening valve, which provides a control valve, and the fixed valve piece is set to three layers, the outermost The layer is the water outlet, and the moving valve piece is only matched with the fixed valve piece in the soft water state, and the other state cannot completely cover the water outlet.
  • Such a structure leads to a complicated valve body structure, and the structure of the movable valve piece and the fixed valve piece is complicated and the manufacturing is troublesome.
  • the present invention provides a control valve that overcomes the drawbacks of the prior planar valve regeneration process or the absence of raw water outflow during the flushing process, and is applicable to all softening systems and filtration systems.
  • the present invention provides a control valve, which adopts a planar sealing structure, including a moving and fixed valve piece with a valve body and an end surface rotating and sealingly matched, and the valve body is provided with a water inlet and a water outlet, Drainage outlet, etc.;
  • the valve plate is provided with a plurality of through holes, one of the through holes communicating with the water outlet, the through hole having an outer diameter larger than the other through holes, forming a radial arc-shaped protruding portion from the center of the circle to the circumferential direction;
  • the at least one through hole is provided with the water inlet of the valve body, and is provided with a conduction blind hole.
  • the conduction blind hole is provided with a radial arc-shaped protruding portion from the center of the circle to the circumferential direction, and the outer diameter of the conduction blind hole
  • the outer diameter of the inlet through hole is larger; the curved protruding portion of the fixed valve piece and the curved protruding portion of the movable valve piece overlap and cooperate with each other in the soft water or the filtered state.
  • the through hole of the movable valve piece and the water inlet are always open, and the arc-shaped protruding portion of the movable blind piece of the movable valve piece and the circular arc-shaped protruding portion of the fixed valve piece are used.
  • the protruding portion does not have a completely overlapping fit. At this time, part of the water flow from the water inlet flows into the through hole of the fixed valve piece and the water outlet from the non-overlapping fitting portion, and finally flows out from the water outlet.
  • Figure 1 is a top plan view of a fixed valve piece in which no water is produced during the regeneration process
  • Figure 2 is a top plan view of a movable valve plate cooperated with Figure 1;
  • Figure 2A is a cross-sectional view of Figure 2;
  • Figure 3 is a plan view of the dynamic stator when the system of Figure 1 and Figure 2 is in an operating state
  • Figure 4 is a plan view of the dynamic stator when the system of Figure 1 and Figure 2 is in a backwash state;
  • Figure 5 is a top plan view of another fixed valve piece in which no water is discharged during the regeneration process
  • Figure 6 is a top plan view of a movable valve plate cooperated with Figure 5;
  • Figure 6A is a cross-sectional view of Figure 6;
  • Figure 7 is a plan view of a moving piece when the system of Figure 5 and Figure 6 is in an operating state
  • Figure 8 is a moving piece bonding diagram when the system of Figure 5 and Figure 6 is in a backwash state
  • Figure 9 is a top view of a fixed valve piece of raw water in the regeneration process; (the fixed valve plate plane is a six-part structure)
  • Figure 9A is a cross-sectional view of Figure 9;
  • Figure 10 is a top plan view showing another fixed valve piece of raw water in the regeneration process
  • Figure 10A is a cross-sectional view of Figure 10
  • Figure 11 is a top plan view of a movable valve plate cooperated with Figure 9 or Figure 10;
  • Figure 11A is a cross-sectional view of Figure 11;
  • Figure 12 is a top plan view of another movable valve plate cooperated with Figure 9 or Figure 10;
  • Figure 12A is a cross-sectional view of Figure 12;
  • Figure 13 is a close-up view of the moving stator when the system of Figure 9 and Figure 12 is in an operating state;
  • Figure 14 is a plan view of a moving piece when the system of Figure 9 and Figure 12 is in a backwash state;
  • Figure 15 is a top view of a fixed valve plate of the filtration system in the process of rinsing out the raw water; (the fixed valve plate plane is a six-part structure)
  • Figure 15A is a cross-sectional view of Figure 15;
  • Figure 16 is a top plan view of a movable valve plate cooperated with Figure 15;
  • Figure 16A is a cross-sectional view of Figure 16.
  • Figure 17 is a plan view of a moving piece when the system of Figure 15 and Figure 16 is in a filtered state;
  • Figure 18 is a plan view of the dynamic stator when the system of Figure 15 and Figure 16 is in a backwash state;
  • Figure 19 is a top view of a fixed valve piece of raw water in the regeneration process; (the fixed valve plate plane is a seven-part structure)
  • Figure 20 is a top plan view of a movable valve plate in cooperation with Figure 19;
  • Figure 21 is a plan view of the dynamic stator when the system of Figure 19 and Figure 20 is in an operating state
  • Figure 22 is a plan view of a dynamic stator when the system of Figure 19 and Figure 20 is in a backwash state;
  • Figure 23 is a top view of a fixed valve piece of raw water in the regeneration process; (the fixed valve piece plane is an octant structure)
  • Figure 23A is a cross-sectional view of Figure 23;
  • Figure 24 is a top plan view of a movable valve plate cooperated with Figure 23;
  • Figure 24A is a cross-sectional view of Figure 24;
  • Figure 25 is a plan view of a moving stator when the system of Figure 23 and Figure 24 is in an operating state;
  • Figure 26 is a plan view of the dynamic stator when the system of Figure 23 and Figure 24 is in a backwash state;
  • Figure 27 is a top plan view of a fixed valve piece of raw water in the regeneration process; (the fixed valve piece plane is an octant structure)
  • Figure 28 is a top plan view of a movable valve plate cooperated with Figure 27;
  • Figure 28A is a cross-sectional view of Figure 28;
  • Figure 29 is a plan view of a moving stator when the system of Figure 27 and Figure 28 is in an operating state
  • Figure 30 is a plan view of the dynamic stator when the system of Figure 27 and Figure 28 is in a backwash state;
  • Figure 31 is a top plan view of a fixed valve piece of raw water in the regeneration process; (the fixed valve piece plane is a nine-part structure)
  • Figure 32 is a top plan view of a movable valve plate cooperated with Figure 30;
  • Figure 32A is a cross-sectional view of Figure 32
  • Figure 33 is a close-up view of the moving stator when the system of Figure 31 and Figure 32 is in an operating state;
  • Figure 34 is a plan view of the dynamic stator when the system of Figure 31 and Figure 32 is in a backwash state;
  • Figure 35 is a top view of a fixed valve piece of raw water in the regeneration process; (the fixed valve piece plane is a nine-part structure)
  • Figure 36 is a top plan view of a movable valve plate cooperated with Figure 35;
  • Figure 36A is a cross-sectional view of Figure 36;
  • Figure 37 is a plan view of a moving stator when the system of Figure 35 and Figure 36 is in an operating state;
  • Figure 38 is a plan view of a dynamic stator when the system of Figure 35 and Figure 36 is in a backwash state;
  • Figure 39 is a top plan view of a fixed valve piece of raw water in the regeneration process; (the fixed valve piece plane is a ten-part structure)
  • Figure 40 is a top plan view of a movable valve plate cooperated with Figure 39;
  • Figure 41 is a plan view of a moving piece when the system of Figure 39 and Figure 40 is in an operating state
  • Figure 42 is a plan view of the dynamic stator when the system of Figure 39 and Figure 40 is in a backwash state;
  • Figure 43 is a top plan view of a fixed valve piece of raw water in the regeneration process; (the fixed valve piece plane is a ten-part structure)
  • Figure 44 is a top plan view of a movable valve plate cooperated with Figure 43;
  • Figure 45 is a close-up view of the moving stator when the system of Figure 43 and Figure 44 is in an operating state;
  • Figure 46 is a plan view of a dynamic stator when the system of Figure 43 and Figure 44 is in a backwash state;
  • Figure 47 is a schematic view showing the system structure of the operating state of the soft water of the present invention shown in Figure 25;
  • Figure 48 is a schematic view showing the system configuration of the present invention shown in Figure 26 in the operating state of backwashing.
  • the control valve of the existing flat seal structure has a plurality of matching manners for the fixed valve piece, and a plurality of holes are arranged on the fixed valve piece, and the holes are five equal parts and six equal parts on the matching plane with the moving valve piece.
  • There are various arrangements such as seven equal parts, eight equal parts, nine equal parts, ten equal parts, eleven equal parts, and twelve equal parts, and some are not equally divided.
  • Some moving pieces are provided with one through hole and one conducting blind hole, and some moving pieces are provided with a plurality of through holes and a plurality of conducting blind holes.
  • the control valve of the present invention can be used in both softening systems and filtration systems.
  • the valve body When used to soften the system, the valve body is provided with a water inlet, a water outlet, a drain port and a brine inlet, a jet inlet and a jet outlet, and a jet nozzle is also arranged in the valve body.
  • the valve body When used in a filtration system, the valve body is provided with a water inlet, a water outlet and a water outlet.
  • Fig. 5 to Fig. 8 show another structure in which no raw water is present in the prior water treatment regeneration process.
  • FIG. 9 to FIG. 14 show a scheme of a countercurrent regenerative soft water valve having a six-part structure in the plane of the valve plate of the present invention, soft water, and raw water in the regeneration process.
  • the fixed valve piece and the movable valve piece shown in Figs. 10 and 11 are used.
  • the multifunctional softening valve in the embodiment the valve body is provided with a water inlet 20, a water outlet 21, a water outlet 22, a filter upper interface 16, a filter lower interface 17, and a branch flow channel 26, and a branch flow channel is provided.
  • the valve body 1 is provided with a fixed valve piece 3 and a movable valve piece 4. The sealing ring 6 and the shifting fork 2 of the rotating valve plate 4 are rotated.
  • the center of the fixed valve plate 3 is provided with a sixth through hole 36 communicating with the drain opening 22 of the valve body, and another five through holes are provided on the outer radius of gyration, wherein the first through hole 31 and the second through hole 32 communicate with the upper portion of the filter element
  • the third through hole 33 communicates with the lower filter port 17 of the filter element.
  • the fourth through hole 35 communicates with the water outlet 21.
  • the outer diameter of the through hole 35 is larger than that of the other through holes and larger than the edge of the other sealing surface.
  • the fifth through hole 37 The jet inlet 24 is connected by a branch flow path 26.
  • the sealing surface of the movable valve plate 4 is provided with a through hole 41 and a water inlet 20, a radial conduction blind hole 43 from the center to the edge, and a circular arc-shaped blind hole 42 around the center.
  • a portion of the outer diameter of the blind hole 42 is larger than the edges of the other sealing faces and is as large as the outer diameter of the through hole 34.
  • the holes of the fixed valve piece 3 and the movable valve piece 4 are fitted on the same radius of gyration.
  • the fixed valve piece 3 and the movable valve piece 4 may be made of different materials such as ceramics, and the through holes 31 and 32 of the fixed valve piece may communicate as one hole, but the processing is inconvenient.
  • the softening valve designed in this way has the following advantages: 1. By controlling the salt absorption and the water supply to the salt tank, the station requiring only a small flow rate is controlled by the salt water control valve 5, and the valve piece can be halved to increase the flow rate; 2.
  • the water supply station to the salt tank can be replenished by the program or manual operation of the salt water control valve 5 when needed.
  • water supply after operation, water supply during operation or any other need can be realized. When hydrating, the application range is more extensive.
  • this embodiment uses the countercurrent regeneration method, can improve the regeneration effect, save salt Water saving; 5, when backwashing, salt regeneration, and flushing, some of the raw water flows directly from the water outlet, which can solve the emergency water in the regeneration process.
  • the outer diameter of the through hole 35 is larger than that of the other through holes and larger than the edges of the other through sealing faces, and a part of the outer diameter of the through hole 42 is larger than the edges of the other sealing faces, and is the same as the outer diameter of the through hole 35. Big. The following is an example of a backwashing state, and the other four functions are not described in detail.
  • FIG. 18 are schematic diagrams of the moving stator of the patent CN2573049Y water purifier filter pipeline device for adding the raw water function, and the matching diagram of the moving stator when the filtering state and the backwashing state are performed.
  • FIG. 19 to FIG. 22 are schematic diagrams showing the schematic diagram of the movable valve piece with one through hole and two conductive blind holes when the fixed valve piece is equally divided, and the moving state piece of the running state and the backwashing state.
  • Fig. 23 to Fig. 26 are schematic diagrams showing the schematic diagram of the movable valve piece with two through holes and one conduction through the blind hole when the fixed valve piece is equally divided, and the dynamic state of the backwashing state.
  • Fig. 27 to Fig. 30 are schematic diagrams showing the schematic diagram of the movable valve piece with one through hole and two conductive blind holes when the fixed valve piece is equally divided, and the moving state piece of the running state and the backwashing state.
  • FIG. 31 to FIG. 34 are schematic diagrams showing the schematic diagram of the movable valve piece with two through holes and one through hole when the fixed valve piece is equally divided, and the moving state of the backwashing state.
  • Fig. 35 to Fig. 38 are schematic diagrams showing the schematic diagram of the movable valve piece with two through holes and the running state and the backwashing state of the movable valve piece when the fixed valve piece is equally divided.
  • Fig. 39 to Fig. 42 are schematic diagrams showing the schematic diagram of the movable valve piece with one through hole and two conduction blind holes when the fixed valve piece is divided into ten equal parts, and the moving state piece of the running state and the backwashing state.
  • Fig. 43 to Fig. 46 are schematic diagrams showing the schematic diagram of the movable valve piece with two through holes and one conduction through the blind hole when the fixed valve piece is equally divided, and the moving state piece of the running state and the backwashing state.
  • the through hole 31 and the through hole 32 of the fixed valve piece 3 are all communicated with the upper interface of the filter element, and the through hole 33 and the through hole 34 are both connected to the lower part of the filter element.
  • the through hole 35 communicates with the water outlet
  • the through hole 36 communicates with the drain port
  • the through hole 37 communicates with the jet inlet
  • the through hole 38 communicates with the jet outlet
  • the water inlet is always open, 42 and 43 are both conductive blind holes
  • the through hole 44 communicates with the drain of the valve body.
  • the present invention is illustrated only for downstream softening in a softening system, and is similar when used in a filtration system and will not be described again.
  • the common fixed valve plane is arranged in an eight-part structure, and the movable piece is described by one through hole and two conductive blind holes.
  • the valve body 1 is provided with a water inlet 20, a water outlet 21, a drain port 22, a brine inlet 23, and a valve body and a water treatment tank are disposed in the valve body.
  • the water distributor 11 and the lower water distributor 12 are respectively in communication.
  • a branch flow passage 26 is provided in the flow passage 20 of the valve body 1 to the flow passage of the tank body, and a jet nozzle is provided in the branch flow passage 26, and a brine inlet is arranged on the valve body at the outlet of the jet nozzle. 23, connected to the brine tank 14 of the water treatment system.
  • the fixed valve piece 3 is mounted in the valve body 1, and the movable valve piece 4 is engaged with the fixed valve piece 3 by the rotation of the shift fork 2.
  • the fixed valve piece 3 installed in the valve body 1 is provided with a plurality of through holes, one of which has a through hole 35 communicating with the water outlet 21, and the through hole has a larger outer diameter than the other through holes at the joint with the movable valve piece 4.
  • the movable valve piece 4 is rotatably engaged with the fixed valve piece 3, and at least one through hole 41 is provided to communicate with the water inlet 20 of the valve body, and is provided with an arc Forming a blind hole 42, the conductive blind hole is provided with a radial arc-shaped protruding portion from the center of the circle to the fixed valve plate, and the outer diameter of the circular arc-shaped blind hole is larger than the water inlet
  • the through hole has a large outer diameter and cooperates with the arcuate projection of the fixed valve piece.
  • the through hole 31 of the fixed valve piece 3 is completely in communication with the conduction blind hole 41 of the movable valve piece 4, and the other through holes of the fixed valve piece 3 and the movable valve piece 4 are
  • the other through holes or blind holes correspond to each other to form a water flow direction as shown in FIG. That is, the raw water enters through the water inlet 20, passes through the through hole 41 of the valve plate 4, passes through the fixed valve piece 3, and the valve body 1 enters the upper water distributor 11, and is processed by the filter material 13 to enter the lower water distributor 12, from the center tube.
  • the through hole 33 of the fixed valve piece 3 is returned to the through hole 35 of the fixed valve piece 3 after passing through the circular arc-shaped blind hole 42 of the movable valve piece 4, and finally flows out from the water outlet 21.
  • the through hole 31 of the fixed valve piece 3 and the blind through hole 41 of the movable valve piece 4 do not completely overlap or do not overlap at all, and the other through holes of the fixed valve piece 3 move.
  • the other through holes or blind holes of the valve plate 4 are in communication with each other to form a water flow direction as shown in FIG. That is, the raw water enters through the water inlet 20, passes through the through hole 41 of the valve plate 4, passes through the fixed valve piece 3, the valve body 1, passes through the central tube and enters the lower water distributor 12, and backwashes the filter material 13 into the upper water distributor. 11. Finally, the through hole 43 of the fixed valve piece 3 is returned.
  • the water flows into the through hole 36 of the fixed valve piece 3, and finally is discharged from the drain port 22; another part of the raw water directly enters.
  • the through holes 35 that are not completely overlapped finally flow out from the water outlet 21.
  • FIG. 11 and FIG. 12 is a matching diagram of the fixed valve plate in the running and backwashing states shown in FIG. 32, FIG. 35 and FIG. 36, FIG. 39 and FIG. 40, FIG. 43 and FIG. 44, and the water flow direction is substantially similar to that of FIGS. 47 and 48. I will not repeat them here.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Multiple-Way Valves (AREA)

Abstract

披露了水处理领域的一种平面密封结构的控制阀，包括阀体（1），阀体（1）上设有进水口（20）、出水口（21）和排水口（22）；阀体（1）内设有平面密封结构的阀芯，阀芯设置有定阀片（3）、动阀片（4），动阀片（4）与定阀片（3）转动配合，定阀片（3）设有若干个通孔，其中一个通孔（35）与阀体（1）出水口（21）相连通，通孔（35）呈圆弧扇形，通孔（35）的圆弧扇形外径较定阀片（3）的其它通孔大，通孔（41）与阀体进水口（20）相连通，定阀片（3）设有至少一个圆弧状导通盲孔（42），定阀片（3）的通孔与动阀片（4）的导通盲孔（42）相互配合。该控制阀可克服现有平面阀再生过程或冲洗过程无原水流出的缺陷，适用于所有的软化系统和过滤系统。

Description

一种控制阀 技术领域
本发明涉及水处理技术领域，尤其涉及一种平面密封结构的控制阀。
背景技术
近年来，随着平面密封结构的控制阀越来越多的应用于水处理领域，市场已经认可了平面阀的结构。现在的工业或民用水处理系统都必须用控制阀阀进行流道切换，对软化系统的控制阀，需要实现软化、反冲洗、吸盐、向盐箱补水、正冲洗等功能；对过滤系统的控制阀，需要实现过滤、反冲洗、正冲洗等功能。为便于说明，将软化系统的反冲洗、吸盐、向盐箱补水、正冲洗等非制软水的流程合称为再生过程；将过滤系统的反冲洗、正冲洗等非过滤的流程合称为冲洗过程。
对工业领域，特别是应用于蒸汽锅炉的水处理系统，要求进入锅炉的水的硬度不得超过0.03mmol/L，故一般要求水处理系统的控制阀在再生过程中不得有未经处理的水进入锅炉。因此，现有市场上的平面阀基本都是这种结构，即再生过程中出水口不出水。对热水锅炉，对进水硬度要求较低，不高于0.6mmol/L即可。水处理系统的再生过程一般需要两个小时以上，冲洗过程一般需要30分钟，对水处理系统在再生过程中出水口不出水的系统中，为确保在再生过程或冲洗过程中有足够的水供后续系统使用，要求储水箱都较大。
对民用水处理系统，特别是家庭用的水处理系统，对进水的要求更低，民用水处理系统一般没有储水箱，如果水处理系统在再生过程或冲洗过程中，没有水流出，对家庭急需用水时没水用。因此，在北美及欧洲市场上，用于家庭的水处理系统一般都要求在再生过程或冲洗过程时，要有原水从出水口流出。本发明所述的原水，是指未经处理的水。
现有的采用平面密封结构的水处理控制阀，例如中国专利CN201305482Y一种多功能软化阀，CN201305482Y一种多功能软化阀，提供了一种控制阀，将定阀片设置为三层，最外层为出水口，而动阀片仅在制软水状态与定阀片配合，其它状态不能完全覆盖出水口，这样的结构导致阀体结构复杂，动阀片与定阀片结构复杂，制造麻烦。
发明内容
本发明提供一种控制阀，以克服现有平面阀再生过程或冲洗过程中无原水流出的缺陷，且适用于所有的软化系统和过滤系统。
为实现上述目的，本发明提供了一种控制阀，该控制阀采用平面密封结构，包括阀体和端面转动密封配合的动、定阀片，所述阀体上设有进水口、出水口、排水口等；所述定 阀片设有多个通孔，其中一个通孔与出水口相通，该通孔其外径较其它通孔大，形成由圆心向圆周方向的径向弧形突出部分；所述的动阀片设有至少一个通孔与阀体的进水口常通，设有导通盲孔，该导通盲孔设有一由圆心向圆周方向的径向弧形突出部分，该导通盲孔的外径较所述进水通孔的外径大；所述定阀片的弧形突出部分与动阀片的弧形突出部分在制软水或过滤状态时相互重叠配合。
使用时，当控制阀处于制软水或过滤状态时，动阀片的通孔与进水口常通，动阀片的导通盲孔的圆弧形突出部分与定阀片的圆弧形突出部分完全重叠配合相通；当控制阀处于再生过程或冲洗过程时，动阀片的通孔与进水口常通，动阀片的导通盲孔的圆弧形突出部分与定阀片的圆弧形突出部分没有完全重叠配合，此时，进水口的部分水流从该未完全重叠配合部分流入定阀片中与出水口导通的通孔，最后从出水口流出。
附图说明
图1是再生过程不出水的一种定阀片俯视示意图；
图2是与图1配合的一种动阀片俯视示意图；
图2A是图2的剖视示意图；
图3是由图1与图2组合成的系统处于运行状态时的动定片贴合图；
图4是由图1与图2组合成的系统处于反洗状态时的动定片贴合图；
图5是再生过程不出水的另一种定阀片俯视示意图；
图6是与图5配合的一种动阀片俯视示意图；
图6A是图6的剖视示意图；
图7是由图5与图6组合成的系统处于运行状态时的动定片贴合图；
图8是由图5与图6组合成的系统处于反洗状态时的动定片贴合图；
图9是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为六等分结构)
图9A是图9的剖视示意图；
图10是再生过程出原水的另一种定阀片俯视示意图；
图10A是图10的剖视示意图；
图11是与图9或图10配合的一种动阀片俯视示意图；
图11A是图11的剖视示意图；
图12是与图9或图10配合的另一种动阀片俯视示意图；
图12A是图12的剖视示意图；
图13是由图9与图12组合成的系统处于运行状态时的动定片贴合图；
图14是由图9与图12组合成的系统处于反洗状态时的动定片贴合图；
图15是过滤系统在冲洗过程出原水的一种定阀片俯视示意图；(定阀片平面为六等分结构)
图15A是图15的剖视示意图；
图16是与图15配合的一种动阀片俯视示意图；
图16A是图16的剖视示意图；
图17是由图15与图16组合成的系统处于过滤状态时的动定片贴合图；
图18是由图15与图16组合成的系统处于反冲洗状态时的动定片贴合图；
图19是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为七等分结构)
图20是与图19配合的一种动阀片俯视示意图；
图21是由图19与图20组合成的系统处于运行状态时的动定片贴合图；
图22是由图19与图20组合成的系统处于反冲洗状态时的动定片贴合图；
图23是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为八等分结构)
图23A是图23的剖视示意图；
图24是与图23配合的一种动阀片俯视示意图；
图24A是图24的剖视示意图；
图25是由图23与图24组合成的系统处于运行状态时的动定片贴合图；
图26是由图23与图24组合成的系统处于反冲洗状态时的动定片贴合图；
图27是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为八等分结构)
图28是与图27配合的一种动阀片俯视示意图；
图28A是图28的剖视示意图；
图29是由图27与图28组合成的系统处于运行状态时的动定片贴合图；
图30是由图27与图28组合成的系统处于反冲洗状态时的动定片贴合图；
图31是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为九等分结构)
图32是与图30配合的一种动阀片俯视示意图；
图32A是图32的剖视示意图；
图33是由图31与图32组合成的系统处于运行状态时的动定片贴合图；
图34是由图31与图32组合成的系统处于反冲洗状态时的动定片贴合图；
图35是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为九等分结构)
图36是与图35配合的一种动阀片俯视示意图；
图36A是图36的剖视示意图；
图37是由图35与图36组合成的系统处于运行状态时的动定片贴合图；
图38是由图35与图36组合成的系统处于反冲洗状态时的动定片贴合图；
图39是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为十等分结构)
图40是与图39配合的一种动阀片俯视示意图；
图41是由图39与图40组合成的系统处于运行状态时的动定片贴合图；
图42是由图39与图40组合成的系统处于反冲洗状态时的动定片贴合图；
图43是再生过程出原水的一种定阀片俯视示意图；(定阀片平面为十等分结构)
图44是与图43配合的一种动阀片俯视示意图；
图45是由图43与图44组合成的系统处于运行状态时的动定片贴合图；
图46是由图43与图44组合成的系统处于反冲洗状态时的动定片贴合图；
图47是图25所示的本发明在制软水的运行状态的系统结构示意图；
图48是图26所示的本发明在反冲洗的运行状态的系统结构示意图。
具体实施方式
现有的平面密封结构的控制阀，其动定阀片有多种配合方式，定阀片上设置不同数量的孔，在与动阀片的配合平面上，各孔呈五等分、六等分、七等分、八等分、九等分、十等分、十一等分、十二等分等多种布置方式，也有的不成等分布置。有的动片上设有一个通孔一个导通盲孔，有的动片上设有多个通孔、多个导通盲孔。
本发明的控制阀可以用于软化系统，也可以用于过滤系统。用于软化系统时，阀体上设置有进水口、出水口、排水口和盐水进口，射流器进口和射流器出口，阀体中还设有射流器喷嘴。用于过滤系统时，阀体上设置有进水口、出水口和排水口。
图1至图4所示为现有的水处理再生过程中不出原水的结构，在专利文献CN2719820Y水处理系统用多功能控制阀中已有描述，在此不再赘述。
图5至图8所示为现有的水处理再生过程中不出原水的另一种结构。
实施例1
图9至图14是本发明定阀片平面为六等分结构的逆流再生软水阀、补软水、再生过程出原水的方案。
本实施例中，采用图10与图11所示的定阀片、动阀片。实施例中的多功能软化阀，阀体上设有进水口20、出水口21、排水口22，滤芯上部接口16，滤芯下部接口17，同时设有支路流道26，支路流道上设有射流器进口24、与滤芯下部接口17连通的射流器出口25，盐水进口23，与盐水进口23相连的盐水控制阀5。阀体1内安装有定阀片3、动阀片 4、密封圈6及转动动阀片4的拨叉2。定阀片3的中心设有第六通孔36连通阀体的排水口22，并另在外部回转半径上设有五个通孔，其中第一通通孔31与第二通孔32连通滤芯上部接口16，第三通孔33连通滤芯下部接口17，第四通孔35连通出水口21，通孔35的外径较其它通孔大并大于其它通也密封面的边缘，第五通孔37通过支路流道26连通射流器进口24。动阀片4的密封配合面上设有一个通孔41与进水口20常通，一个从中心到接近边缘的径向导通盲孔43，一个绕中心的圆弧状导通盲孔42，导通盲孔42的一部分外径较其它密封面边缘更大，与通孔34的外径一样大。定阀片3和动阀片4的各孔在相同的回转半径上配合。在生产时，定阀片3和动阀片4可采用陶瓷等不同材料，定阀片的通孔31与32可连通为一孔，但加工不方便。
这样设计的软化阀有以下优点：1、通过将吸盐再生和向盐箱补水等仅需要小流量的工位采用盐水控制阀5来控制，可将阀片实现六等分，从而增加流量；2、向盐箱补水工位可通过程序或手动操作盐水控制阀5在需要的时候补水，对用于家用软水机的软化阀来说，可以实现运行后补水、运行过程中补水或其它任何需要的时候补水，应用范围更加广泛。同时，可以节省再生时间；3、通过盐水控制阀5来控制补水，可实现补软水，这样可以更好的提升再生效果；4、本实施例采用逆流再生方式，更可提升再生效果，省盐省水；5、反冲洗、吸盐再生、正冲洗状态时，有部分原水直接从出水口流出，可解决再生过程的紧急用水。
图10中，通孔35的外径较其它通孔大并大于其它通也密封面的边缘，导通盲孔42的一部分外径较其它密封面边缘更大，与通孔35的外径一样大。下面仅举反冲洗状态时为例进行说明，其它四个功能不再详述。
反冲洗状态：如图47和图48所示，通过转动拨叉2，动阀片4上的通孔41与定阀片3上的第三通孔33重合连通时，导通盲孔43将第一通孔31与第六通孔36导通，导通盲孔42仅与第四通孔35相通，盐水控制阀5关闭。由于第四通孔35的外径较大，动阀片4的密封面未完全将其覆盖。此时，从进水口20进入的水流一部分经通孔41进入第三通孔33，经阀体1到滤芯下部接口17，经下布水器12进入水处理罐10内，流经滤芯13，将滤芯13松动并冲洗，冲洗下来的污物，经上布水器11至滤芯上部接口16，流至第一通孔31，经导通盲孔43导流后流至第六通孔36，由于第六通孔36与排水口22相通，所以水流从排水口22流出；从进水口20进入的另一部分水经第四通孔35直接从出水口21流出。此时，导通盲孔42仅与第四通孔35相通，没有水流。
实施例2
图15至图18为专利CN2573049Y净水器过滤管路装置增加出原水功能的动定片示意图及过滤状态及反冲洗状态时的动定片的配合图。
实施例3
图19至图22为定阀片七等分时，动阀片设有一个通孔及两个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
实施例4
图23至图26为定阀片八等分时，动阀片设有两个通孔一个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
实施例5
图27至图30为定阀片八等分时，动阀片设有一个通孔及两个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
实施例6
图31至图34为定阀片九等分时，动阀片设有两个通孔一个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
实施例7
图35至图38为定阀片九等分时，动阀片设有一个通孔两个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
实施例8
图39至图42为定阀片十等分时，动阀片设有一个通孔两个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
实施例9
图43至图46为定阀片十等分时，动阀片设有两个通孔一个导通盲孔时的示意图及运行状态、反冲洗状态的动定片配合图。
上述如图1至图46中的定阀片及动阀片所示，定阀片3上的通孔31、通孔32均与滤芯上部接口相通，通孔33与通孔34均与滤芯下部接口相通，通孔35与出水口相通，通孔36与排水口相通，通孔37与射流器进口相通，通孔38与射流器出口相通；动阀片4中的通孔41与阀体上的进水口常通，42与43均为导通盲孔，通孔44与阀体的排水口相通。
本发明仅以用于软化系统中的顺流软化进行说明，用于过滤系统时相类似，不再赘述。以下仅以常见的定阀片平面为八等分结构布置，动片以一个通孔两个导通盲孔进行说明。
如图23至图26、图47、图48所示，阀体1上设有进水口20、出水口21、排水口22、盐水进口23，阀体中设有流道和水处理罐的上布水器11与下布水器12分别相通。阀体1上的进水口20到罐体的流道中设有支路流道26，该支路流道26中设有射流器喷嘴，在射流器喷嘴的出口处的阀体上设有盐水进口23，与水处理系统的盐水罐14连接。定阀片3安装在阀体1内，通过拨叉2转动来实现动阀片4与定阀片3配合。安装在阀体1内的定阀片3设有多个通孔，其中有一个通孔35与出水口21相通，该通孔在与动阀片4配合处的外径较其它通孔大，形成由圆心向圆周方向的径向弧形突出部分；所述的动阀片4与定阀片3转动配合，设有至少一个通孔41与阀体的进水口20常通，设有圆弧形导通盲孔42，该导通盲孔在与定阀片配合处设有一由圆心向圆周方向的径向弧形突出部分，该圆弧形导通盲孔的外径较所述进水通孔的外径大，并与定阀片的弧形突出部分相互配合。
正常运行软化时，如图25、图47所示，定阀片3的通孔31与动阀片4的导通盲孔41完全配合相通，定阀片3的其它通孔与动阀片4的其它通孔或盲孔对应相通，形成如图45所示的水流方向。即原水由进水口20进入，经动阀片4的通孔41后经定阀片3、阀体1进入上布水器11，经滤料13处理后进入下布水器12，从中心管返回定阀片3的通孔33，经动阀片4的圆弧形导通盲孔42导通后，进入定阀片3的通孔35，最后从出水口21流出。
反冲洗时，如图26、图48所示，定阀片3的通孔31与动阀片4的盲通盲孔41不完全重叠或完全不重叠，定阀片3的其它通孔与动阀片4的其它通孔或盲孔对应相通，形成如图46所示的水流方向。即原水由进水口20进入，经动阀片4的通孔41后经定阀片3、阀体1，经中心管进入下布水器12，将滤料13反冲洗后进入上布水器11，最后返回定阀片3的通孔43，经动阀片4的导通盲孔43后，水流进入定阀片3的通孔36，最后从排水口22排出；另有一部分原水直接进入未完全重叠的通孔35，最后从出水口21流出。
当采用图9与图11或图12、图10与图11或图12、图15与图16、图19与图20、图27与图28、图31与图32、图35与图36、图39与图40、图43与图44所示的定、动阀片时，可分别形成如图11与图12、图15与图16、图19与图20、图27与图28、图31与图32、图35与图36、图39与图40、图43与图44所示的运行及反洗状态的定动阀片配合图，其水流方向与图47、图48基本类似，在此不再赘述。

Claims (11)

  1. 一种控制阀，包括阀体，所述阀体上设有进水口、出水口和排水口；阀体内设有平面密封结构的阀芯，所述阀芯设置有定阀片、动阀片，所述的动阀片与定阀片转动配合；其特征在于，
    所述定阀片设有若干个通孔，其中一个通孔与阀体出水口相连通，该通孔呈圆弧扇形，该通孔的圆弧扇形外径较定阀片的其它通孔大；
    所述动阀片设有至少一个通孔，该通孔与阀体进水口相连通；
    所述动阀片设有至少一个导通盲孔，该导通盲孔呈圆弧扇形；
    所述定阀片的通孔与所述动阀片的导通盲孔相互配合。
  2. 根据权利要求1所述的控制阀，其特征在于，所述动阀片导通盲孔的圆弧扇形外径较所述动阀片的通孔外径大。
  3. 根据权利要求1所述的控制阀，其特征在于，所述定阀片的通孔是由圆心向圆周方向呈径向的弧形凸出形状；所述动阀片的导通盲孔是由圆心向圆周方向呈径向弧形凸出形状，所述定阀片的通孔与所述动阀片的导通盲孔相互配合。
  4. 根据权利要求1所述的控制阀，其特征在于，在控制阀处于制软水或过滤时的工作状态时，所述定阀片的通孔与所述动阀片的导通盲孔是互相相通的。
  5. 根据权利要求1所述的控制阀，其特征在于，在控制阀处于再生过程或冲洗过程的工作状态时，所述定阀片的通孔与所述动阀片的导通盲孔是不完全重叠或完全不重叠的。
  6. 根据权利要求1所述的控制阀，其特征在于，所述控制阀用于水处理软化系统的软化阀，或用于水处理过滤系统的过滤阀。
  7. 一种多功能软化阀，该软化阀采用平面密封多路阀的结构，其特征在于，包括阀体、射流器、动阀片、定阀片和盐水控制阀，所述阀体上设置有进水口、出水口、排水口和吸盐支路流道；所述阀体上设置有通孔与滤芯上部、滤芯下部、射流器进口连通，射流器出口与滤芯下部连通，吸盐支路流道上设置有盐水进口，在盐水进口处设置有盐水控制阀；所述定阀片上设有若干个通孔，所述通孔的分布按照定阀片横截面的六等分方式排布，在沿定阀片横截面的圆周逆时针方向上，设有若干个通孔，其中，第一通孔与第二通孔均与滤芯上部接口连通，可根据设计需要将该两个通孔分开布置或连通设置，第三通孔与滤芯的下部连通，第四通孔与出水口连通，该第四通孔的外径较其它通孔大，行成由圆心向圆周方向的径向弧形突出部，第五通孔与射流器进口连通；所述定阀片的横截面圆心位置设有第六通孔，该第六通孔与阀体上的排水口连通；所述动阀片与定阀片相互配合，在所述动阀片横截面上设有一进水通孔与阀体上的进水口连通，在所述动阀片横截面上设有一由圆心向圆周方向的径向导 通盲孔，在所述动阀片横截面上设有一圆弧状导通盲孔，该圆弧形导通盲孔设有一由圆心向圆周方向的径向弧形突出部，该圆弧形导通盲孔的外径较所述进水通孔的外径大；所述定阀片的弧形突出部与动阀片的弧形突出部相互配合。
  8. 根据权利要求7所述的一种多功能软化阀，其特征在于，所述动阀片、定阀片与所述盐水控制阀的配合关系包括：当所述进水通孔与第二通孔相通，圆弧状导通盲孔将第三通孔与第四通孔导通，径向导通盲孔仅连通第六通孔，盐水控制阀可开启或关闭，定阀片上的第四通孔的外径较其它回转半径上的通孔外径大，动阀片上的圆弧形导通盲孔的一部分外径大，与第四通孔的外径相同，此配合状态下，第四通孔与圆弧形导通盲孔外径大的部分刚好重合；当所述进水通孔与第三通孔相通，圆弧状导通盲孔仅与第四通孔相通，径向导通盲孔将第一通孔与第六通孔导通，盐水控制阀关闭，第四通孔未被完全覆盖；当所述进水通孔与第五通孔相通，圆弧状导通盲孔仅与第一通孔相通，径向导通盲孔将第二通孔与第六通孔导通，盐水控制阀开启，第四通道未被完全覆盖；当所述进水通孔与第一通孔相通，圆弧状导通盲孔仅与第二通孔相通，径向导通盲孔将第三通孔与第六通孔导通，盐水控制阀关闭，第四通道未被完全覆盖。
  9. 根据权利要求7所述的多功能软化阀，其特征在于，所述射流器进口、射流器出口设于吸盐支路流道上。
  10. 根据权利要求7或8所述的多功能软化阀，其特征在于，所述盐水控制阀是球阀、电磁阀、截止阀、隔膜阀或闸板阀。
  11. 一种水处理装置，采用至少一个如权利要求7所述的多功能软化阀，与安装有树脂的罐体连通，构成水处理装置。
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