CN217961423U

CN217961423U - Sludge discharge water coagulating sedimentation treatment system

Info

Publication number: CN217961423U
Application number: CN202222407843.6U
Authority: CN
Inventors: 陈燚; 缪绎; 笪跃武; 胡淑圆; 别娜娜; 俞正伟
Original assignee: Wuxi Water Group Co ltd
Current assignee: Wuxi Water Group Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-06
Anticipated expiration: 2032-09-09

Abstract

The utility model relates to the technical field of tap water treatment systems, in particular to a sludge discharge coagulating sedimentation treatment system, which comprises a water storage tank and a concentration tank, wherein a water outlet pipeline of the water storage tank is connected with a first pipeline and a second pipeline which are respectively communicated with an inlet of the concentration tank, and the second pipeline is sequentially provided with a mixing unit and a flocculation unit for mixing and flocculating the sludge and the coagulant; the dosing unit is communicated with the left end of the second pipeline through a dosing pipe; the utility model provides a structural design is simple, to high turbidity and low turbidity muddy water classification to promote the row's muddy water coagulating sedimentation processing system of treatment effeciency and treatment effect.

Description

Sludge discharge water coagulating sedimentation treatment system

Technical Field

The utility model relates to a running water processing system technical field, in particular to arrange muddy water coagulating sedimentation processing system.

Background

In the process of producing drinking water, a certain amount of production wastewater is generated by water works, and the wastewater mainly comes from sludge discharge water of a sedimentation tank and backwashing water of a filter tank, which are collectively called sludge discharge water. The former is that the source water is mixed and flocculated to form flocculate which is settled at the bottom of the sedimentation tank and periodically discharged by a mud discharging vehicle. The latter is discharged according to the period of the filter pool washing, and the discharge is intermittent. The sludge water is treated by water discharge regulation, concentration, balance and mechanical dehydration, and the treated sludge water reaches the standard and is discharged.

The concentration tank is used as a mud-water separation structure, and the traditional concentration tank only has a simple sedimentation part. The concentration tank is an intermittent water inlet, no matter high-turbidity muddy water and low-turbidity muddy water are naturally precipitated by the concentration tank through gravity sedimentation, no selective room exists, and for the high-turbidity muddy water, because the suspended matters in the muddy water are too much, when the concentration tank bears impact load, part of the suspended matters are not as good as natural sedimentation, so that the turbidity of the outlet water can still reach dozens of NTU, and the treatment efficiency and the treatment effect of the muddy water are not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect and not enough that prior art exists, providing a structural design is simple, to high turbidity and low turbidity muddy water classification to promote the row's muddy water coagulating sedimentation processing system of treatment effeciency and treatment effect.

Realize the utility model discloses the technical scheme of purpose is: a sludge discharge water coagulating sedimentation treatment system comprises a water storage tank and a concentration tank, wherein a water outlet pipeline of the water storage tank is connected with a first pipeline and a second pipeline which are respectively communicated with a liquid inlet of the concentration tank, and the second pipeline is sequentially provided with a mixing unit and a flocculation unit for mixing and flocculating sludge and a coagulant; still include the medicine unit, the medicine unit is through adding the left end intercommunication of pencil and second pipeline.

Further, the flocculation unit is tertiary agitating unit, tertiary agitating unit is including consecutive first order agitator, second grade agitator and third grade agitator, first order agitator and mixing unit intercommunication, the third grade agitator communicates with the inlet in concentrated pond, all be equipped with first stirring subassembly in first order agitator, the second grade agitator and the third grade agitator.

Further, first stirring subassembly includes first pivot, installs a plurality of first blades on first pivot and the first motor of being connected with first pivot transmission, first motor and controller communication connection.

Furthermore, the bottom parts of the first-stage stirrer, the second-stage stirrer and the third-stage stirrer are respectively communicated with the middle part of the first pipeline through a first emptying pipe, and the right end of the first pipeline is communicated with a drain pipe through a second emptying pipe.

Further, be equipped with second stirring subassembly in the water storage tank, second stirring subassembly includes the second pivot, installs a plurality of second blades in the second pivot and the second motor of being connected with the transmission of second pivot, second motor and controller communication connection.

Further, the dosing unit is a dosing tank, and a third stirring assembly for stirring a coagulant is arranged in the dosing tank.

Further, the third stirring assembly comprises a third rotating shaft, a plurality of third blades arranged on the third rotating shaft and a third motor in transmission connection with the third rotating shaft, and the third motor is in communication connection with the controller.

Further, the mixing unit is a tubular static mixer.

Further, turbidity appearance and level gauge are installed to the inner wall of water storage tank, turbidity appearance and level gauge respectively with controller communication connection.

Furthermore, the two ends of the water outlet pipeline, the first pipeline and the second pipeline, the liquid inlet, the first emptying pipe and the second emptying pipe are respectively provided with an electromagnetic valve, and the electromagnetic valves are in communication connection with the controller.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) The utility model discloses through the setting of first pipeline and second pipeline, directly let in the concentration tank by the first pipeline to low turbidity muddy water and deposit, mix the flocculation by mixing unit and flocculation unit on the second pipeline earlier to high turbidity muddy water and then let in the concentration tank and deposit, realize the quick separation of muddy water to promoted the treatment effect to high turbidity muddy water, low turbidity muddy water does not need to mix the flocculation through the second pipeline in addition, saved the use of coagulant when having promoted treatment effeciency, the cost is reduced;

(2) The utility model enables the muddy water in the water storage tank to be more uniform through the stirring of the second stirring component in the water storage tank, thereby improving the detection accuracy of the turbidity meter on the turbidity of the muddy water and ensuring the treatment efficiency and treatment effect;

(3) The utility model discloses a setting of first blow-down pipe and second blow-down pipe, when first order agitator, second grade agitator and third grade agitator need be maintained or overhauld, can realize through first pipeline that liquid is direct to be discharged by the drain pipe in first order agitator, second grade agitator and the third grade agitator, and is convenient quick, and has reduced the setting of pipeline.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which:

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

fig. 2 is a schematic structural view of the first stirring assembly of the present invention;

fig. 3 is a schematic structural diagram of a third stirring assembly of the present invention.

In the figure: 1. a water storage tank; 1a, a water outlet pipeline; 1b, a water inlet pipeline; 2. a concentration tank; 2a, a liquid inlet; 2b, a liquid outlet; 2c, a sludge outlet; 3. a first pipeline; 4. a second pipeline; 5. a mixing unit; 6. a flocculation unit; 7. a dosing unit; 8. a medicine feeding pipe; 9a, a first rotating shaft; 9b, a first blade; 9c, a first motor; 10. a first blow-down pipe; 11. a second emptying pipe; 12. a drain pipe; 13a, a second rotating shaft; 13b, a second blade; 13c, a second motor; 14a, a third rotating shaft; 14b, a third blade; 14c, a third motor; 15. a turbidity meter; 16. a liquid level meter; 17. an electromagnetic valve; 18. a lift pump; 19. an overflow line; 20. and a third emptying pipe.

Detailed Description

As shown in fig. 1-3, a sludge discharge coagulating sedimentation treatment system comprises a water storage tank 1 and a concentration tank 2, wherein a water outlet pipeline 1a of the water storage tank 1 is connected with a first pipeline 3 and a second pipeline 4, the first pipeline 3 and the second pipeline 4 are respectively communicated with a liquid inlet 2a of the concentration tank 2, and the second pipeline 4 is sequentially provided with a mixing unit 5 and a flocculation unit 6 for mixing and flocculating sludge and a coagulant; still include medicine unit 7, medicine unit 7 is through adding the left end intercommunication of pencil 8 and second pipeline 4, setting through first pipeline 3 and second pipeline 4, direct let in concentrated pond 2 by first pipeline 3 to low turbidity muddy water and deposit, rethread concentrated pond 2 deposits after mixing the flocculation by mixing unit 5 and flocculation unit 6 on the second pipeline 4 to high turbidity muddy water, realize the quick separation of muddy water, thereby the treatment effect to high turbidity muddy water has been promoted, low turbidity muddy water need not mix the flocculation through second pipeline 4 in addition, the use of coagulant has been saved when having promoted treatment effeciency, the cost is reduced. Specifically, the water inlet pipeline 1b of the water storage tank 1 is communicated with a drainage pool (not shown in the figure), the muddy water discharged from the drainage pool is collected by the arrangement of the water storage tank 1 and then is uniformly treated to ensure the continuity of treatment because the muddy water discharged from the drainage pool is discontinuous and unstable, sometimes the duration is long, sometimes the duration is short, sometimes the flow is large, sometimes the flow is small, and sometimes the flow is small, the turbidity instrument 15 and the level meter 16 are respectively connected with a controller (not shown in the figure) in a communication manner, the turbidity instrument 15 is used for detecting the turbidity of the muddy water in the water storage tank 1, the level meter 16 is used for measuring the liquid level of the muddy water in the water storage tank 1, the level meter 16 is an ultrasonic level meter, when the liquid level of the muddy water in the water storage tank 1 measured by the level meter 16 is at a high level, the water discharged from the drainage pool is stopped being collected by the water storage tank 1, the liquid outlet 2b of the concentration pool 2 is communicated with the drainage pipe 12, the bottom of the concentration pool 2 is provided with a mud outlet pipeline 2c, the water outlet pipeline 1a, the water inlet pipeline 1a, the water pipeline 1b, the water inlet pipeline 3 and the electromagnetic valve 17 a are respectively connected with a solenoid valve 17, and a solenoid valve 17.

Be equipped with the second stirring subassembly in the water storage tank 1, the second stirring subassembly includes second pivot 13a, install a plurality of second blades 13b on second pivot 13a and the second motor 13c of being connected with the transmission of second pivot 13a, through the stirring of second stirring subassembly in water storage tank 1 for the muddy water in the water storage tank 1 is more even, thereby improves turbidity instrument 15 and to the turbid detection accuracy of muddy water, guarantees treatment effeciency and treatment effect.

The mixing unit 5 is a tubular static mixer, and the setting of the tubular static mixer enables the coagulant to be fully diffused in the muddy water, so that the coagulant and the muddy water can be quickly mixed, and the tubular static mixer is the prior art, and will not be described in detail herein.

The flocculation unit 6 is tertiary agitating unit, tertiary agitating unit is including consecutive first order agitator, second grade agitator and third grade agitator, first order agitator and mixing unit 5 intercommunication, third grade agitator and the 2a intercommunication of inlet of concentrated pond 2, all be equipped with first stirring subassembly in first order agitator, second grade agitator and the third grade agitator, setting through first stirring subassembly for coagulant and the abundant mixed flocculation of muddy water, thereby promote the treatment effect of muddy water. Specifically, tertiary agitating unit is supported by the support, and the rotational speed of first stirring subassembly reduces in first order agitator, second grade agitator and the third level agitator in proper order, and first stirring subassembly includes first pivot 9a, installs a plurality of first blades 9b on first pivot 9a and the first motor 9c of being connected with first pivot 9a transmission. It should be noted that the flocculation unit 6 can also be a second-stage stirring device or a fourth-stage stirring device, and the utility model discloses a third-stage stirring device is reduce cost when guaranteeing the flocculation effect.

First order agitator, the bottom of second level agitator and third level agitator communicates through the middle part of first blow-down pipe 10 with first pipeline 3 respectively, the right-hand member of first pipeline 3 passes through second blow-down pipe 11 and drain pipe 12 intercommunication, setting through first blow-down pipe 10 and second blow-down pipe 11, when first order agitator, second level agitator and third level agitator need be maintained or overhauld, can realize first order agitator through first pipeline 3, liquid directly is discharged by drain pipe 12 in second level agitator and the third level agitator, and is convenient quick, and the setting of pipeline has been reduced. Specifically, the first emptying pipe 10 and the second emptying pipe 11 are respectively provided with an electromagnetic valve 17, and the electromagnetic valves 17 are in communication connection with the controller.

The dosing unit 7 is a dosing tank, a third stirring assembly for stirring a coagulant is arranged in the dosing tank, the third stirring assembly comprises a third rotating shaft 14a, a plurality of third blades 14b installed on the third rotating shaft 14a, and a third motor 14c in transmission connection with the third rotating shaft 14a, and the third motor 14c is in communication connection with the controller.

In order to avoid concentrated pond 2, the first order agitator, because there is the safety risk because hydraulic pressure is too big in second order agitator and the third stirrer, the top of concentrated pond 2 and first order agitator left end is respectively through overflow pipeline 19 and drain pipe 12 intercommunication, when concentrated pond 2, the first order agitator, when hydraulic pressure is too big in second order agitator and the third stirrer, then carry out the flowing back decompression through overflow pipeline 19, be equipped with solenoid valve 17 on the overflow pipeline 19, solenoid valve 17 and controller communication connection. The bottom of the dosing unit 8 is communicated with the drain pipe 12 through a third emptying pipe 20, an electromagnetic valve 17 is arranged on the third emptying pipe 20, the electromagnetic valve 17 is in communication connection with the controller, and when the dosing unit 8 needs to be maintained or overhauled, the coagulant can be discharged through the third emptying pipe 20.

In the production process of tap water, muddy water generated by the sedimentation tank and filter backwash water are mixed and flow into the drainage tank, the controller starts the lifting pump 18 to pump the muddy water in the drainage tank into the water storage tank 1, the second stirring component is started to stir the muddy water, the turbidity of the muddy water is detected by the turbidity meter 15 after stirring, if the muddy water is low in turbidity, the electromagnetic valve 17 on the first pipeline 3 is opened, the electromagnetic valve 17 on the second pipeline 4 is closed, and the lifting pump 18 pumps the muddy water in the water storage tank 1 out and the muddy water enters the concentration tank 2 from the first pipeline 3 for treatment; if the turbidity is high, the electromagnetic valve 17 on the first pipeline 3 is closed, the electromagnetic valve 17 on the second pipeline 4 is opened, the lifting pump 18 pumps out the muddy water in the water storage tank 1, the muddy water enters the concentration tank 2 from the second pipeline 4 for treatment, meanwhile, a certain amount of coagulant is introduced into the second pipeline 4 through the dosing pipe 8, the coagulant and the muddy water are mixed in the mixing unit 5, and the coagulant and the muddy water are mechanically stirred and flocculated by the first stirring component.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a row's muddy water coagulating sedimentation processing system, includes water storage tank (1) and concentrated pond (2), its characterized in that: a first pipeline (3) and a second pipeline (4) are connected to a water outlet pipeline (1 a) of the water storage tank (1), the first pipeline (3) and the second pipeline (4) are respectively communicated with a liquid inlet (2 a) of the concentration tank (2), and a mixing unit (5) and a flocculation unit (6) for mixing and flocculating the muddy water and the coagulant are sequentially arranged on the second pipeline (4); the medicine adding device is characterized by further comprising a medicine adding unit (7), wherein the medicine adding unit (7) is communicated with the left end of the second pipeline (4) through a medicine adding pipe (8).

2. The sludge water coagulating sedimentation treatment system according to claim 1, wherein: the flocculation unit (6) is tertiary agitating unit, tertiary agitating unit is including consecutive first order agitator, second grade agitator and third grade agitator, first order agitator and mixing unit (5) intercommunication, third grade agitator and inlet (2 a) intercommunication in concentrated pond (2), all be equipped with first stirring subassembly in first order agitator, the second grade agitator and the third grade agitator.

3. The sludge water coagulating sedimentation treatment system according to claim 2, wherein: the first stirring assembly comprises a first rotating shaft (9 a), a plurality of first blades (9 b) arranged on the first rotating shaft (9 a) and a first motor (9 c) in transmission connection with the first rotating shaft (9 a), and the first motor (9 c) is in communication connection with the controller.

4. The sludge water coagulating sedimentation treatment system according to claim 2, wherein: the bottom parts of the first-stage stirrer, the second-stage stirrer and the third-stage stirrer are respectively communicated with the middle part of the first pipeline (3) through a first emptying pipe (10), and the right end of the first pipeline (3) is communicated with a drain pipe (12) through a second emptying pipe (11).

5. The sludge water coagulating sedimentation treatment system according to claim 1, wherein: be equipped with second stirring subassembly in water storage tank (1), second stirring subassembly includes second pivot (13 a), installs a plurality of second blades (13 b) on second pivot (13 a) and second motor (13 c) of being connected with second pivot (13 a) transmission, second motor (13 c) and controller communication connection.

6. The sludge water coagulating sedimentation treatment system according to claim 1, wherein: the dosing unit (7) is a dosing tank, and a third stirring assembly for stirring a coagulant is arranged in the dosing tank.

7. The sludge water coagulating sedimentation treatment system according to claim 6, wherein: the third stirring assembly comprises a third rotating shaft (14 a), a plurality of third blades (14 b) installed on the third rotating shaft (14 a) and a third motor (14 c) in transmission connection with the third rotating shaft (14 a), and the third motor (14 c) is in communication connection with the controller.

8. The sludge water coagulating sedimentation treatment system according to claim 1, wherein: the mixing unit (5) is a tubular static mixer.

9. The sludge water coagulating sedimentation treatment system according to claim 1, wherein: turbidity appearance (15) and level gauge (16) are installed to the inner wall of water storage tank (1), turbidity appearance (15) and level gauge (16) respectively with controller communication connection.

10. The sludge water coagulating sedimentation treatment system according to claim 4, wherein: and the two ends of the water outlet pipeline (1 a), the first pipeline (3) and the second pipeline (4), the liquid inlet (2 a), the first emptying pipe (10) and the second emptying pipe (11) are respectively provided with an electromagnetic valve (17), and the electromagnetic valves (17) are in communication connection with the controller.