CN217148845U

CN217148845U - Sludge water treatment device for water treatment plant

Info

Publication number: CN217148845U
Application number: CN202221298830.3U
Authority: CN
Inventors: 孟浩; 夏伦武; 张�林; 赵德杭; ***; 吴书龙; 程鹏; 刘强
Original assignee: Linhuan Water Affairs Co ltd
Current assignee: Linhuan Water Affairs Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-09
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a water purification plant sludge water treatment facilities, including the equalizing basin that communicates in proper order, straight board flocculation basin, vertical sedimentation tank and drainage pond, two equalizing basins are intake and are inserted the sedimentation tank and the filtering pond of water purification plant respectively, the equalizing basin water outlet passes through the water inlet of pipeline intercommunication straight board flocculation basin, be provided with first partition wall between straight board flocculation tank and the vertical sedimentation tank, first partition wall top is provided with first overflow weir, inside water gets into the vertical sedimentation tank, be provided with the second partition wall between vertical sedimentation tank and the drainage pond, second partition wall bottom is provided with the water hole, be provided with the third partition wall in the drainage pond, the third partition wall falls into third sludge bucket and backward flow chamber with the drainage pond, the drainage pond top of backward flow chamber top is provided with the water intaking pump, the water outlet end of water intaking pump inserts water purification plant sedimentation processing unit. The device is beneficial to removing pollutants in water, effectively avoids the hydraulic short-flow phenomenon of the drainage pool, improves the sedimentation effect of the drainage pool and stabilizes the water quality.

Description

Sludge water treatment device for water treatment plant

Technical Field

The utility model relates to a water treatment field especially relates to a water treatment plant sludge water treatment facilities.

Background

The sludge water of the water purification plant comprises: sludge discharging water of a sedimentation tank, sludge discharging water of a clarification tank, floating slag of an air flotation tank, backwashing water of a filter tank and membrane filtration physical cleaning wastewater and concentrated water. In order to reduce the self-consumption water of the water treatment plant and improve the utilization rate of water resources of the water treatment plant, the discharged muddy water needs to be recycled. The traditional reuse water treatment system directly discharges various drainage into a drainage pool, the inflow easily causes turbulence or short flow to influence the sedimentation effect of the drainage pool, in addition, the density flow of different types of drainage also influences the sedimentation effect, the main pollutants contained in different types of drainage are different, the water quality difference is obvious, and different treatment methods are adopted for difference treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a water treatment plant sludge water treatment facilities to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a water treatment plant sludge water treatment device, which comprises an adjusting tank, two straight plate flocculation tanks, a vertical flow sedimentation tank and a drainage tank which are communicated in sequence, wherein the adjusting tank is provided with two, the water inlet ends of the adjusting tank are respectively connected into the sedimentation tank and the filter tank of the water treatment plant, the water outlet end of the adjusting tank is communicated with the water inlet of the straight plate flocculation tank through a pipeline, a first partition wall is arranged between the straight plate flocculation tank and the vertical flow sedimentation tank, the top part of the first partition wall is provided with a first overflow weir, flocculated water enters the interior of the vertical flow sedimentation tank through the first overflow weir, a second partition wall is arranged between the vertical flow sedimentation tank and the drainage tank, the bottom part of the second partition wall is provided with a plurality of water through holes for communicating the vertical flow sedimentation tank and the drainage tank, the drainage tank is internally provided with a third partition wall, the third partition wall divides the drainage tank into a third sludge hopper and a reflux cavity, the top of the drainage pool above the backflow cavity is provided with a water taking pump, and the water outlet end of the water taking pump is connected to a precipitation treatment unit of a water purification plant.

Preferably, a V-shaped water inlet groove parallel to the water inlet of the straight plate flocculation tank is formed in the water inlet of the straight plate flocculation tank, the V-shaped water inlet groove is connected with the regulating tanks through a pipeline, a coagulant dispenser is arranged between the two regulating tanks, two ends of the coagulant dispenser are communicated with the pipeline, and a tubular mixer is arranged at a common water outlet where the regulating tanks and the coagulant dispenser are connected through the pipeline.

Preferably, the top of the straight plate flocculation tank is flush with the top of the vertical flow sedimentation tank, a partition plate is arranged at the top of the straight plate flocculation tank, and the bottom of the partition plate is higher than the bottom of the straight plate flocculation tank.

Preferably, the top of the first overflow weir is lower than the top of the straight plate flocculation tank, one side of the first overflow weir close to the vertical flow sedimentation tank) is communicated with a water collecting tank, a second overflow weir is fixedly arranged inside the vertical flow sedimentation tank, the second overflow weir divides the vertical flow sedimentation tank into an inner sedimentation chamber and an outer sedimentation chamber, the water collecting tank is communicated with a vertical flow central pipe, the bottom end of the vertical flow central pipe extends into the inner sedimentation chamber, and the lower part of the vertical flow central pipe is provided with a bottom baffle.

Preferably, the water collecting tank is arranged in a T shape, the second overflow weir and the first partition wall enclose a four-side shape, and the top of the second overflow weir is lower than the bottom of the water collecting tank.

Preferably, the drainage pond is trapezoidal, the third partition wall top is less than drainage pond top, third sludge bucket bottom fixedly connected with third sludge pump.

Preferably, the vertical flow sedimentation tank with straight board flocculation bottom of the pool portion is the funnel type, the vertical flow sedimentation tank with straight board flocculation bottom of the pool portion is first sludge bucket of fixedly connected with and second sludge bucket respectively, first sludge bucket and second sludge bucket bottom fixedly connected with first sludge discharge pump and second sludge discharge pump respectively, first sludge discharge pump with the second sludge discharge pump communicates water purification plant mud storage tank respectively.

The utility model discloses a following technological effect: the different types of sludge water are treated independently, so that the treatment effect of the different types of sludge water tends to be in the optimal state, and the removal of pollutants in water is facilitated; the block segmentation and the linking of the integral structure are adopted, so that the pipeline connection is reduced, the hydraulic condition is improved, and the removal of pollutants in water is facilitated; the treated water is directly sent to a precipitation treatment unit of a water treatment plant, so that the energy consumption is effectively reduced; the water intake pump front end of the drainage pool is provided with the partition wall, so that the hydraulic short-flow phenomenon of the drainage pool is effectively avoided, the sedimentation effect of the drainage pool is improved, and the water quality is stabilized.

Drawings

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

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of the second partition wall of the present invention.

Wherein; 1. a regulating tank; 2. a coagulant dispenser; 3. a V-shaped water inlet groove; 4. a partition plate; 5. a vertical flow center tube; 6. a first overflow weir; 7. a water taking pump; 8. a third partition wall; 9. a drainage basin; 10. a bottom baffle; 11. a vertical flow sedimentation tank; 12. a straight plate flocculation tank; 13. a second overflow weir; 14. a tubular mixer; 15. a water collection tank; 16. a first partition wall; 17. a second partition wall; 18. a first sludge hopper; 19. a second sludge hopper; 20. a first dredge pump; 21. a second sludge discharge pump; 22. a third sludge hopper; 23. a third sludge discharge pump; 24. water passing holes; 25. an inner sedimentation chamber; 26. an outer settling chamber; 27. a reflux cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model discloses a water treatment plant sludge water treatment device, which comprises an adjusting tank 1, a straight plate flocculation tank 12, a vertical flow sedimentation tank 11 and a drainage tank 9 which are sequentially communicated, wherein the adjusting tank 1 is provided with two adjusting tanks 1, the water inlet ends of the two adjusting tanks 1 are respectively connected with a sedimentation tank and a filter tank of a water treatment plant, the sewage of the sedimentation tank and the filter tank of the water treatment plant is respectively led into the adjusting tanks 1, the water outlet end of the adjusting tank 1 is communicated with the water inlet of the straight plate flocculation tank 12 through a pipeline, a first partition wall 16 is arranged between the straight plate flocculation tank 12 and the vertical flow sedimentation tank 11, the top of the first partition wall 16 is provided with a first overflow weir 6, the flocculated water enters the vertical flow sedimentation tank 11 through the first overflow weir 6, a second partition wall 17 is arranged between the vertical flow sedimentation tank 11 and the drainage tank 9, the bottom of the second partition wall 17 is provided with a plurality of water through holes 24 for communicating the vertical flow sedimentation tank 11 and the drainage tank 9, a third partition wall 8 is arranged in the drainage pool 9, the drainage pool 9 is divided into a third sludge hopper 22 and a return cavity 27 by the third partition wall 8, a water taking pump 7 is arranged at the top of the drainage pool 9 above the return cavity 27, and the water outlet end of the water taking pump 7 is connected into a precipitation treatment unit of a water purification plant.

Further optimization scheme, the water inlet department of straight board flocculation basin 12 is provided with the V type intake antrum 3 rather than paralleling, and V type intake antrum 3 can reduce the velocity of flow of rivers, and V type intake antrum 3 passes through the pipe connection with equalizing basin 1, is provided with coagulant dispenser 2 between two equalizing basins 1, and the both ends of coagulant dispenser 2 all communicate on the pipeline, and the common water outlet department of the pipeline handing-over of equalizing basin 1 and coagulant dispenser 2 is provided with tubular mixer 14. The coagulant is thoroughly mixed with the sludge water from the settling tank of the water treatment plant and the backwash water from the clarifier by the pipe mixer 14.

Further optimize the scheme, the top of the straight plate flocculation tank 12 is equal to the top of the vertical flow sedimentation tank 11, the top of the straight plate flocculation tank 12 is provided with a baffle 4, the bottom of the baffle 4 is higher than the bottom of the straight plate flocculation tank 12, so that sewage can move from bottom to top in the straight plate flocculation tank 12 through the baffle 4, and impurities carried by the water body are reduced.

Further optimize the scheme, 6 tops of first overflow weir are less than the 12 pond tops of straight plate flocculation basin, one side intercommunication that first overflow weir 6 is close to vertical flow sedimentation tank 11 has water catch bowl 15, reduce the velocity of flow of rivers, vertical flow sedimentation tank 11 is inside fixed to be provided with second overflow weir 13, second overflow weir 13 falls into interior sedimentation chamber 25 and outer sedimentation chamber 26 with vertical flow sedimentation tank 11, water catch bowl 15 intercommunication has vertical flow center tube 5, in vertical flow center tube 5 bottom stretched into interior sedimentation chamber 25, vertical flow center tube 5 lower part was provided with bottom flap 10. The bottom baffle 10 can effectively reduce the stirring of the impact force of the water body to the sludge at the bottom of the tank.

According to the further optimized scheme, the water collecting tank 15 is arranged in a T shape, the water receiving area is enlarged, the flow rate of water flow is reduced, the second overflow weir 13 and the first partition wall 16 are enclosed into a four-edge shape, and the top of the second overflow weir 13 is lower than the bottom of the water collecting tank 15. Through second overflow weir 13 will fall into interior sedimentation chamber 25 and outer sedimentation chamber 26 with vertical sedimentation tank 11, the water through flocculation from top to bottom earlier gets into interior sedimentation chamber 25, is getting into outer sedimentation chamber 26 by the trilateral exhalant tip of second overflow weir 13 from bottom to top, and trilateral water further has increaseed the area that rivers flow, has reduced the velocity of flow of rivers, has reduced the disturbance to bottom of the pool mud.

Further optimization scheme, drainage tank 9 is trapezoidal arranging, and 8 tops on the third partition wall are less than the 9 pond tops in drainage tank, and third sludge bucket 22 bottom fixedly connected with third sludge pump 23. The water flow enters the return cavity 27 through the upper part of the third partition wall 8, and the hydraulic short flow phenomenon of the return cavity 27 is effectively avoided.

Further optimize the scheme, the bottom of the vertical sedimentation tank 11 and the bottom of the straight plate flocculation tank 12 are both funnel type, the bottom of the vertical sedimentation tank 11 and the bottom of the straight plate flocculation tank 12 are respectively and fixedly connected with a first sludge bucket 18 and a second sludge bucket 19, the bottom of the first sludge bucket 18 and the bottom of the second sludge bucket 19 are respectively and fixedly connected with a first sludge discharge pump 20 and a second sludge discharge pump 21, and the first sludge discharge pump 20 and the second sludge discharge pump 21 are respectively communicated with the sludge storage tank of the water treatment plant. The sludge at the bottom of each pool can be discharged into the sludge discharge pool through the sludge discharge pump so as to reduce the sludge content of the water body in each pool body.

The working process is as follows: the sludge discharge water of the sedimentation tank of the water treatment plant and the backwashing water of the clarification tank enter a regulating tank 1, the water in the regulating tank 1 is conveyed to a straight plate flocculation tank 12 through a pipeline, a coagulant dispenser 2 and a tubular mixer 14 are arranged on the conveying pipeline, the water from the regulating tank 1 uniformly enters the straight plate flocculation tank 12 through a V-shaped water inlet tank 3, the water in the straight plate flocculation tank 12 firstly flows from top to bottom, passes through the bottom of a partition plate 4 and then flows from bottom to top, falls from a first overflow weir 6, enters a water collecting tank 15 and then enters a vertical flow central pipe 5, the water enters the bottom of a vertical flow sedimentation tank 11 through a gap between a bell mouth of the vertical flow central pipe 5 and a bottom baffle plate 10 and then flows from bottom to top, after sedimentation, the clarified water enters a region between the vertical flow sedimentation tank 11 and a second overflow weir 13 through a second overflow weir 13 and then uniformly enters a drainage tank 9 through a water through hole 24 at the bottom of a second partition wall 17, the drainage pool 9 is in a trapezoidal arrangement, the bottom of the water inlet end is provided with a third sludge hopper 22, the bottom of the pool is provided with the third sludge hopper 22 with the inclination of 2%, the water outlet end is provided with a third partition wall 8, and the water outlet ends of the third partition wall 8 and the drainage pool 9 are provided with a water taking pump 7. Sludge buckets are arranged at the bottoms of the straight plate flocculation tank 12, the vertical flow sedimentation tank 11 and the drainage tank 9, and sludge in the sludge buckets is discharged into the drainage tank through a sludge discharge pump. This arrange muddy water processing apparatus sets up 1 group 2 check, can move simultaneously also can the independent operation, and each other is supplementary operation, can effectively overcome the impact load influence, is favorable to getting rid of aquatic pollutant, effectively avoids the water conservancy short current phenomenon, promotes and deposits effect and stable quality of water.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The utility model provides a water purification plant sludge water treatment facilities which characterized in that: comprises an adjusting tank (1), a vertical plate flocculation tank (12), a vertical flow sedimentation tank (11) and a drainage tank (9) which are sequentially communicated, wherein the adjusting tank (1) is provided with two adjusting tanks (12), the water inlet ends of the adjusting tanks (1) are respectively connected into a sedimentation tank and a filter tank of a water purification plant, the water outlet end of the adjusting tank (1) is communicated with the water inlet end of the vertical plate flocculation tank (12) through a pipeline, a first partition wall (16) is arranged between the vertical plate flocculation tank (12) and the vertical flow sedimentation tank (11), the top of the first partition wall (16) is provided with a first overflow weir (6), water after flocculation passes through the first overflow weir (6) to enter the interior of the vertical flow sedimentation tank (11), a second partition wall (17) is arranged between the vertical flow sedimentation tank (11) and the drainage tank (9), the bottom of the second partition wall (17) is provided with a plurality of water passing holes (24) for communicating the vertical flow sedimentation tank (11) with the drainage tank (9), be provided with third partition wall (8) in drainage pond (9), third partition wall (8) will drainage pond (9) fall into third sludge bucket (22) and backward flow chamber (27), backward flow chamber (27) top drainage pond (9) pond top is provided with gets water pump (7), the play water end of getting water pump (7) inserts water purification plant sedimentation processing unit.

2. The water treatment plant sludge water treatment plant according to claim 1, wherein: the water inlet department of straight board flocculation basin (12) is provided with V type intake chamber (3) rather than paralleling, V type intake chamber (3) with equalizing basin (1) is through the pipe connection, is provided with coagulant dispenser (2) between two equalizing basins (1), the both ends of coagulant dispenser (2) all communicate on the pipeline, equalizing basin (1) with the common delivery port department of the pipeline handing-over of coagulant dispenser (2) is provided with tubular mixer (14).

3. The water treatment plant sludge water treatment plant according to claim 1, wherein: the top of the straight plate flocculation tank (12) is level with the top of the vertical flow sedimentation tank (11), a partition plate (4) is arranged at the top of the straight plate flocculation tank (12), and the bottom of the partition plate (4) is higher than the bottom of the straight plate flocculation tank (12).

4. The water treatment plant sludge water treatment plant according to claim 3, wherein: first overflow weir (6) top is less than straight board flocculation basin (12) pond top, first overflow weir (6) are close to one side intercommunication of vertical sedimentation tank (11) has water catch bowl (15), vertical sedimentation tank (11) inside fixed second overflow weir (13) that are provided with, second overflow weir (13) will vertical sedimentation tank (11) fall into interior sedimentation chamber (25) and outer sedimentation chamber (26), water catch bowl (15) intercommunication has vertical flow center tube (5), vertical flow center tube (5) bottom stretches into in interior sedimentation chamber (25), vertical flow center tube (5) lower part is provided with bottom flap (10).

5. The water treatment plant sludge water treatment plant according to claim 4, wherein: the water collecting tank (15) is arranged in a T shape, the second overflow weir (13) and the first partition wall (16) enclose a four-side shape, and the top of the second overflow weir (13) is lower than the bottom of the water collecting tank (15).

6. The water treatment plant sludge water treatment plant according to claim 1, wherein: the drainage pond (9) are trapezoidal and arrange, drainage pond (9) are intake and are held the bottom and be provided with third sludge bucket (22), third partition wall (8) top is less than drainage pond (9) top of the pool portion, third sludge bucket (22) bottom fixedly connected with third sludge pump (23).

7. The water treatment plant sludge water treatment plant according to claim 1, wherein: the vertical flow sedimentation tank (11) with straight board flocculation basin (12) bottom is the funnel type, vertical flow sedimentation tank (11) with straight board flocculation basin (12) bottom is first sludge bucket of fixedly connected with (18) and second sludge bucket (19) respectively, first sludge bucket (18) and second sludge bucket (19) bottom is first mud pump (20) and second mud pump (21) of fixedly connected with respectively, first mud pump (20) with second mud pump (21) communicate the water purification plant respectively and store up the mud pit.