CN216336992U

CN216336992U - Water quality lifting device based on sewage treatment is recycled

Info

Publication number: CN216336992U
Application number: CN202122645227.XU
Authority: CN
Inventors: 时广军
Original assignee: Xiamen Welste Industrial Equipment Co ltd
Current assignee: Xiamen Welste Industrial Equipment Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-19
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a water quality improving device based on sewage treatment and recycling, which comprises a standing sedimentation tank, an alum sedimentation tank and a disinfection tank, wherein the standing sedimentation tank is connected with the alum sedimentation tank through a connecting plate, the alum sedimentation tank is fixedly connected with the disinfection tank, and bottom covers are arranged at the bottoms of the standing sedimentation tank, the alum sedimentation tank and the disinfection tank. Thereby thoroughly removing the upper clear water and the precipitate in the standing sedimentation tank.

Description

Water quality lifting device based on sewage treatment is recycled

Technical Field

The utility model relates to the technical field of sewage utilization, in particular to a water quality improving device based on sewage treatment and recycling.

Background

Water resources on earth, which broadly means the total amount of water in a water circle, include surface water and ground water which are controlled by human beings and directly used for irrigation, power generation, water supply, shipping, cultivation, and the like, and rivers, lakes, wells, springs, tides, estuaries, cultivation water areas, and the like, and mean fresh water which can be recovered and updated year by year in a narrow sense.

Through retrieval, the Chinese patent with publication number CN211367227U discloses a sewage treatment device capable of recycling sewage, which comprises a sewage separation box, a sewage separation unit, a sewage filtering unit, a power unit and a vertical control unit; sewage separation box: the left side upper surface intercommunication inlet tube of sewage separator box, the inner chamber fixed connection barrier of separator box, the water inlet of sewage separator box's right side lower surface intercommunication liquid pump, the left side upper surface of delivery port intercommunication sewage treatment case of liquid pump, the inner chamber sliding filter of sewage treatment case.

Above patent exists following not enough, need dismantle the washing to the filter unit after having handled sewage to can't thoroughly clear away the precipitate, for this reason, propose a quality of water hoisting device based on sewage treatment recycles.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a water quality improving apparatus based on sewage treatment and reuse, so as to solve or alleviate the technical problems in the prior art, and at least provide a useful choice.

The technical scheme of the embodiment of the utility model is realized as follows: a water quality lifting device based on sewage treatment and recycling comprises a standing sedimentation tank, an alum sedimentation tank and a disinfection tank, wherein the standing sedimentation tank is connected with the alum sedimentation tank through a connecting plate, the alum sedimentation tank is fixedly connected with the disinfection tank, bottom covers are arranged at the bottoms of the standing sedimentation tank, the alum sedimentation tank and the disinfection tank, a motor II and a motor I are respectively fixed on the outer walls of the standing sedimentation tank, the alum sedimentation tank and the outer walls of the alum sedimentation tank, the motor II and the motor I are respectively connected with a screw rod II and a screw rod I through output shafts, the screw rod II and the outer wall of the screw rod I are connected with a shaft sleeve II and a shaft sleeve I through threads, a support frame III, a support frame IV, a support frame I and a support frame II are respectively fixed on the outer walls of two sides of the shaft sleeve II and the shaft sleeve I, the same extrusion plate II is fixed on the bottoms of the support frame I and the support frame II, the same extrusion plate I is fixed on the bottoms of the support frame III and the support frame IV, the device comprises a squeezing plate I, a water pump I, a filter screen, a squeezing plate II, a water outlet pipe, a water outlet, a water tank, a water outlet, a water tank, a water outlet, a water tank and a water tank, a water.

In some embodiments, the bottom of the standing sedimentation tank, the alum sedimentation tank and the disinfection tank is fixed with legs.

In some embodiments, a handle is fixed to the outer wall of the bottom cover.

In some embodiments, a sewage inlet pipe is fixed on the outer wall of the standing sedimentation tank, and a one-way valve is fixed on the outer wall of the sewage inlet pipe.

In some embodiments, a third motor is fixed on the outer wall of the bottom cover at the bottom of the alum sedimentation tank and the disinfection tank, the third motor is connected with a telescopic rod through an output shaft, a fixed column is fixed at one end of the telescopic rod, a rotating shaft is fixed on the outer wall of the fixed column, a stirring paddle is fixed on the outer wall of the rotating shaft, and a containing groove is formed in the bottom cover.

In some embodiments, a feeding port I is formed in the top of the disinfection tank in a communicated manner, a water pump II is fixed to the top of the disinfection tank, and a water inlet of the water pump II is connected with the extrusion plate II through a water inlet pipe II.

In some embodiments, another filter screen is fixed at the joint of the second water inlet pipe and the second extrusion plate.

In some embodiments, the outer wall of the disinfection tank is provided with a water outlet.

Due to the adoption of the technical scheme, the embodiment of the utility model has the following advantages:

1. a water quality lifting device based on sewage treatment and reuse, which aims to thoroughly remove the upper clear water and the sediment in a standing sedimentation tank, and directly cleaning the filter screen, after the standing and sedimentation of the sewage in the standing and sedimentation tank are finished, starting a second motor, driving a second screw rod to rotate by the second motor, driving a second shaft sleeve to move downwards by the second screw rod, driving a third support frame and a fourth support frame to move downwards by the second shaft sleeve, driving a first extrusion plate to move downwards by the third support frame and the fourth support frame, simultaneously starting a first water pump, conveying upper clear water to a water outlet pipe through a filter screen along a first water inlet pipe by the first water pump, then entering an alum sedimentation tank through the water outlet pipe, opening a bottom cover through a handle after the clear water in the sedimentation tank is completely conveyed, pushing sediment out of the sedimentation tank by a first extrusion plate, meanwhile, the filter screen is cleaned, so that the upper layer clear water and the sediment in the standing sedimentation tank are thoroughly removed.

2. A water quality lifting device based on sewage treatment and recycling is characterized in that in order to further treat sewage, alum is added into an alum sedimentation tank from a feeding port in a two-way mode, a first motor is started, a first screw rod is driven by the motor to rotate, a first shaft sleeve is driven by the screw rod to move downwards, a first support frame and a second support frame are driven by the shaft sleeve to move downwards, a first support frame and a second support frame drive a second extrusion plate to move downwards, a second water pump is started simultaneously, the second water pump conveys upper-layer clean water into the disinfection tank through a filter screen along a second water inlet pipe, after the clean water in the alum sedimentation tank is completely conveyed, a bottom cover is opened through a handle, sediment is pushed out of the alum sedimentation tank by the first extrusion plate, then disinfectant is added into the disinfection tank from a feeding port, and after disinfection, treated water is discharged from a water outlet.

3. The utility model provides a quality of water hoisting device based on sewage treatment recycles, in order to make medicine and waste water intensive mixing, starts the telescopic link and releases the fixed column from accomodating the inslot, afterwards, starter motor three, and motor three drives the telescopic link rotatory, and the telescopic link drives the fixed column rotatory with the pivot, and the pivot drives the stirring rake rotatory to further mix alum and waste water.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a side view structural diagram of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a bottom view of the present invention;

FIG. 5 is a top view of the base of the present invention;

fig. 6 is an internal structure view of the bottom cover of the present invention.

Reference numerals: 1-supporting leg, 2-standing sedimentation tank, 3-alum sedimentation tank, 4-motor I, 5-screw rod I, 6-shaft sleeve I, 7-support frame I, 8-support frame II, 9-support frame III, 10-support frame IV, 11-screw rod II, 12-shaft sleeve II, 13-motor II, 14-sewage inlet pipe, 15-feed opening I, 16-disinfection tank, 17-feed opening II, 18-water outlet pipe, 19-water pump I, 20-water inlet pipe I, 21-water outlet, 22-water pump II, 23-water inlet pipe II, 24-handle, 25-rotating shaft, 26-accommodating groove, 27-stirring, 28-fixing column, 29-telescopic rod, 30-motor III, 31-bottom cover, 32-one-way valve, 33-first extrusion plate, 34-second extrusion plate and 35-connection.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-6, a water quality improving device based on sewage treatment and recycling comprises a standing sedimentation tank 2, an alum sedimentation tank 3 and a disinfection tank 16, wherein the standing sedimentation tank 2 is connected with the alum sedimentation tank 3 through a connecting plate 35, the alum sedimentation tank 3 is fixedly connected with the disinfection tank 16 through bolts, bottom covers 31 are arranged at the bottoms of the standing sedimentation tank 2, the alum sedimentation tank 3 and the disinfection tank 16, supporting legs 1 are fixed at the bottoms of the standing sedimentation tank 2, the alum sedimentation tank 3 and the disinfection tank 16 through bolts, a handle 24 is fixed on the outer wall of each bottom cover 31 through bolts, a sewage inlet pipe 14 is clamped on the outer wall of the standing sedimentation tank 2, a one-way valve 32 is fixed on the outer wall of the sewage inlet pipe 14 through bolts, a motor two 13 and a motor one 4 are fixed on the outer walls of the standing sedimentation tank 2 and the alum sedimentation tank 3 and the motor one 4 through bolts, a screw rod two 11 and a screw rod one 5 are connected with the motor two 13 and the motor one 4 through output shafts, the outer walls of the second screw rod 11 and the first screw rod 5 are connected with a second shaft sleeve 12 and a first shaft sleeve 6 through threads, the outer walls of two sides of the second shaft sleeve 12 and the first shaft sleeve 6 are respectively fixed with a third support frame 9, a fourth support frame 10, a first support frame 7 and a second support frame 8 through bolts, the bottoms of the first support frame 7 and the second support frame 8 are fixed with a second same extrusion plate 34 through bolts, the bottoms of the third support frame 9 and the fourth support frame 10 are fixed with a first same extrusion plate 33 through bolts, the outer wall of the first extrusion plate 33 is connected with a first water pump 19 through a first water inlet pipe 20, the bottom of the first water pump 19 is fixed at the top of a connecting plate 35 through bolts, one end of the first water inlet pipe 20 is a spring pipe, the outer wall of the first water inlet pipe 20 is clamped on the outer wall of the first extrusion plate 33, a filter screen is fixed at the joint of the first extrusion plate 33 and the first water inlet pipe 20 through bolts, the outer wall of the first extrusion plate 33 is slidably connected inside the standing sedimentation tank 2, the water outlet of the first water pump 19 is connected with the second extrusion plate 34 through the water outlet pipe 18, one end of the water outlet pipe 18 is a spring pipe, one end of the water outlet pipe 18 is clamped on the outer wall of the second extrusion plate 34, the outer wall of the second extrusion plate 34 is connected with the inside of the alum sedimentation tank 3 in a sliding mode, the outer wall of the second extrusion plate 34 is provided with a feeding port II 17, after the standing sedimentation of the sewage in the standing sedimentation tank 2 is finished, the second motor 13 is started, the second motor 13 drives the second screw rod 11 to rotate, the second screw rod drives the second shaft sleeve 12 to move downwards, the second shaft sleeve 12 drives the third support frame 9 and the fourth support frame 10 to move downwards, the third support frame 9 and the fourth support frame 10 drive the first extrusion plate 33 to move downwards, the first water pump 19 is started simultaneously, the first water pump 19 conveys the upper-layer clear water to the water outlet pipe 18 through the first filter screen along the first water inlet pipe 20, then enters the alum sedimentation tank 3 through the water outlet pipe 18, and after the clear water in the standing sedimentation tank 2 is completely conveyed, the bottom cover 31 is opened through the handle 24, the sediment is pushed out of the standing sedimentation tank 2 by the first extrusion plate 33, and meanwhile, the filter screen is cleaned, so that the upper layer clear water and the sediment in the standing sedimentation tank 2 are completely removed.

When the utility model works, after the standing and sedimentation of the sewage in the standing and sedimentation tank 2 is finished, the motor II 13 is started, the motor II 13 drives the screw rod II 11 to rotate, the screw rod II drives the shaft sleeve II 12 to move downwards, the shaft sleeve II 12 drives the support frame III 9 and the support frame IV 10 to move downwards, the support frame III 9 and the support frame IV 10 drive the extrusion plate I33 to move downwards, the water pump I19 is started at the same time, the water pump I19 conveys the upper clear water to the water outlet pipe 18 along the water inlet pipe I20 through the filter screen, then the clear water enters the alum sedimentation tank 3 through the water outlet pipe 18, after the clear water in the standing and sedimentation tank 2 is completely conveyed, the bottom cover 31 is opened through the handle 24, the sediment is pushed out of the standing and sedimentation tank 2 by the extrusion plate I33, and the filter screen is cleaned at the same time, so that the upper clear water and the sediment in the standing and sedimentation tank 2 are completely removed.

Example 2:

a water quality improving device based on sewage treatment and recycling, which is improved based on embodiment 1 in the present embodiment, as shown in fig. 1-6, a feeding port two 17 is formed on an outer wall of the second extrusion plate 34, a motor three 30 is fixed on outer walls of a bottom cover 31 at bottoms of the alum sedimentation tank 3 and the disinfection tank 16 through bolts, the motor three 30 is connected with a telescopic rod 29 through an output shaft, a fixed column 28 is fixed at one end of the telescopic rod 29 through a bolt, a rotating shaft 25 is fixed on an outer wall of the fixed column 28 through a bolt, a stirring paddle 27 is fixed on an outer wall of the rotating shaft 25 through a bolt, an accommodating groove 26 is arranged inside the bottom cover 31, a feeding port one 15 is formed at a top of the disinfection tank 16, a water pump two 22 is fixed on a top of the disinfection tank 16 through a bolt, a water inlet of the water pump two 22 is connected with the second extrusion plate 34 through a water inlet pipe two 23, another filter screen is fixed at a joint of the water inlet pipe two 23 and the extrusion plate 34 through a bolt, the outer wall of the disinfection tank 16 is provided with a water outlet 21.

In this embodiment, in order to further treat the sewage, alum is added into the alum sedimentation tank 3 from the feeding port two 17, then the telescopic rod 29 is started to push the fixed column 28 out of the accommodating groove 26, then the motor three 30 is started, the motor three 30 drives the telescopic rod 29 to rotate, the telescopic rod 29 drives the fixed column 28 and the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring paddle 27 to rotate, so as to further mix the alum and the wastewater, after the mixing is finished, the motor one 4 is started, the motor one 4 drives the screw rod one 5 to rotate, the screw rod one drives the shaft sleeve one 6 to move downwards, the shaft sleeve one 6 drives the support frame one 7 and the support frame two 8 to move downwards, the support frame one 7 and the support frame two 8 drive the extrusion plate two 34 to move downwards, meanwhile, the water pump two 22 is started, the water pump two 22 conveys the upper layer clear water into the disinfection tank 16 along the water inlet pipe two 23 through the filter screen, and the clear water in the alum sedimentation tank 3 is completely conveyed, the bottom cover 31 is opened through the handle 24, sediment is pushed out of the alum sedimentation tank 3 by the first extrusion plate 33, then disinfectant is added into the disinfection tank 16 from the feeding hole, then the telescopic rod 29 is started to push the fixed column 28 out of the containing groove 26, then the motor three 30 is started, the motor three 30 drives the telescopic rod 29 to rotate, the telescopic rod 29 drives the fixed column 28 and the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring paddle 27 to rotate, therefore the disinfectant and the wastewater are further mixed, and after disinfection is finished, treated water is discharged from the water outlet 21.

When the utility model works, after the standing and sedimentation of the sewage in the standing and sedimentation tank 2 is finished, the motor II 13 is started, the motor II 13 drives the screw rod II 11 to rotate, the screw rod II drives the shaft sleeve II 12 to move downwards, the shaft sleeve II 12 drives the support frame III 9 and the support frame IV 10 to move downwards, the support frame III 9 and the support frame IV 10 drive the extrusion plate I33 to move downwards, the water pump I19 is started at the same time, the water pump I19 conveys the upper clear water to the water outlet pipe 18 along the water inlet pipe I20 through the filter screen, then the clear water enters the alum sedimentation tank 3 through the water outlet pipe 18, after the clear water in the standing and sedimentation tank 2 is completely conveyed, the bottom cover 31 is opened through the handle 24, the sediment is pushed out of the standing and sedimentation tank 2 by the extrusion plate I33, and the filter screen is cleaned at the same time, so that the upper clear water and the sediment in the standing and sedimentation tank 2 are completely removed; alum is added into the alum sedimentation tank 3 from the feeding port II 17, then the telescopic rod 29 is started to push the fixed column 28 out of the containing groove 26, then the motor III 30 is started, the motor III 30 drives the telescopic rod 29 to rotate, the telescopic rod 29 drives the fixed column 28 and the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring paddle 27 to rotate, thereby further mixing the alum with the wastewater, after the mixing is finished, the motor I4 is started, the motor I4 drives the screw I5 to rotate, the screw I drives the shaft sleeve I6 to move downwards, the shaft sleeve I6 drives the support frame I7 and the support frame II 8 to move downwards, the support frame I7 and the support frame II 8 drive the extrusion plate II 34 to move downwards, simultaneously the water pump II 22 is started, the upper clear water is conveyed into the disinfection tank 16 along the water inlet pipe II 23 through the filter screen, after the clear water in the alum sedimentation tank 3 is completely conveyed, the bottom cover 31 is opened through the handle 24, and the sediment is pushed out of the alum sedimentation tank 3 by the extrusion plate I33, then, disinfectant is added into the disinfection tank 16 from the feeding hole, then the telescopic rod 29 is started to push the fixed column 28 out of the accommodating groove 26, then the motor III 30 is started, the motor III 30 drives the telescopic rod 29 to rotate, the telescopic rod 29 drives the fixed column 28 and the rotating shaft 25 to rotate, the rotating shaft 25 drives the stirring paddle 27 to rotate, so that the alum and the wastewater are further mixed, and after disinfection is finished, the treated water is discharged from the water discharge opening 21.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present invention, and these should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a quality of water hoisting device based on sewage treatment is recycled, includes sedimentation tank (2), alum sedimentation tank (3) and disinfection pond (16) of stewing, its characterized in that: the device comprises a standing sedimentation tank (2), an alum sedimentation tank (3), a disinfection tank (16), a bottom cover (31) arranged at the bottom of the standing sedimentation tank (2), the alum sedimentation tank (3) and the disinfection tank (16), a motor II (13) and a motor I (4) respectively fixed on the outer walls of the standing sedimentation tank (2), the alum sedimentation tank (3) and the outer walls of the motor II (13) and the motor I (4) respectively, a screw rod II (11) and a screw rod I (5) respectively connected with the motor II (13) and the motor I (4) through output shafts, a shaft sleeve II (12) and a shaft sleeve I (6) respectively connected with the outer walls of the screw rod II (11) and the screw rod I (5) through threads, a support frame III (9), a support frame IV (10), a support frame I (7) and a support frame II (8) respectively fixed on the outer walls of two sides of the shaft sleeve II (12) and the shaft sleeve I (6), the bottom of the first support frame (7) and the bottom of the second support frame (8) are fixed with a second extrusion plate (34), the bottom of the third support frame (9) and the bottom of the fourth support frame (10) are fixed with a first extrusion plate (33), the outer wall of the first extrusion plate (33) is connected with a first water pump (19) through a first water inlet pipe (20), the bottom of the first water pump (19) is fixed at the top of the connecting plate (35), one end of the first water inlet pipe (20) is a spring pipe, the outer wall of the first water inlet pipe (20) is fixed at the outer wall of the first extrusion plate (33), a filter screen is fixed at the joint of the first extrusion plate (33) and the first water inlet pipe (20), the outer wall of the first extrusion plate (33) is movably connected inside the standing sedimentation tank (2), the water outlet of the first water pump (19) is connected with the second extrusion plate (34) through a water outlet pipe (18), one end of the water outlet pipe (18) is a spring pipe, one end of the water outlet pipe (18) is fixed on the outer wall of the second extrusion plate (34), the outer wall of the second extrusion plate (34) is movably connected inside the alum sedimentation tank (3), and the outer wall of the second extrusion plate (34) is provided with a feeding port II (17).

2. The water quality improving device based on sewage treatment and reuse of claim 1, wherein: the bottom of the standing sedimentation tank (2), the bottom of the alum sedimentation tank (3) and the bottom of the disinfection tank (16) are all fixed with supporting legs (1).

3. The water quality improving device based on sewage treatment and reuse of claim 2, characterized in that: and a handle (24) is fixed on the outer wall of the bottom cover (31).

4. The water quality improving device based on sewage treatment and reuse of claim 2, characterized in that: a sewage inlet pipe (14) is fixed on the outer wall of the standing sedimentation tank (2), and a one-way valve (32) is fixed on the outer wall of the sewage inlet pipe (14).

5. The water quality improving device based on sewage treatment and reuse of claim 3, characterized in that: the outer walls of bottom covers (31) at the bottoms of the alum sedimentation tank (3) and the disinfection tank (16) are fixedly provided with a motor III (30), the motor III (30) is connected with a telescopic rod (29) through an output shaft, one end of the telescopic rod (29) is fixedly provided with a fixed column (28), the outer wall of the fixed column (28) is fixedly provided with a rotating shaft (25), the outer wall of the rotating shaft (25) is fixedly provided with a stirring paddle (27), and a storage groove (26) is formed in the bottom cover (31).

6. The water quality improving device based on sewage treatment and reuse of claim 5, wherein: the top of the disinfection tank (16) is provided with a feeding port I (15), the top of the disinfection tank (16) is fixed with a water pump II (22), and a water inlet of the water pump II (22) is connected with the extrusion plate II (34) through a water inlet pipe II (23).

7. The water quality improving device based on sewage treatment and reuse of claim 6, wherein: and another filter screen is fixed at the joint of the second water inlet pipe (23) and the second extrusion plate (34).

8. The water quality improving device based on sewage treatment and reuse of claim 7, wherein: the outer wall of the disinfection tank (16) is provided with a water outlet (21).