CN217809110U

CN217809110U - A mud return-flow system for printing and dyeing wastewater handles

Info

Publication number: CN217809110U
Application number: CN202221251609.2U
Authority: CN
Inventors: 徐宏康; 胡杰标; 郭梦莉; 范振业; 王琼; 黄丽华; 王燕
Original assignee: Dongguan Yiwangli Environmental Protection Technology Co ltd
Current assignee: Dongguan Yiwangli Environmental Protection Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-15
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a sludge return system for printing and dyeing wastewater treatment, including anaerobism pond, contact oxidation pond and intelligent filter pond, the anaerobism pond passes through anaerobism pond outlet pipe intercommunication contact oxidation pond, contact oxidation pond outlet pipe intercommunication intelligent filter pond, intelligent filter pond communicates all the way to anaerobism pond effluent flume through intelligent filter pond mud back flow and shunt tubes, and another way communicates to in the anaerobism pond, is equipped with the pneumatic valve on the intelligent filter pond mud back flow, connects, manual turbine butterfly valve, intelligent filter pond mud reflux pump and check valve, is equipped with a manual turbine butterfly valve on each pipeline of shunt tubes. The utility model discloses the advantage: when the return flow of the sludge is small, the sludge flows back to a water outlet groove of the anaerobic tank, the sludge and the sewage are mixed more uniformly before entering the contact oxidation tank, and when the return flow is large, the sludge flows back to the anaerobic tank to avoid the sludge from leaking; because the sludge yield is unstable, the reflux pump works intermittently, and the reflux pump is prevented from idling and accelerating aging all the time; the valve can realize the automatic adjustment of the sludge reflux quantity; the joint can be replaced without the leakage of sludge.

Description

A mud return-flow system for printing and dyeing wastewater handles

Technical Field

The utility model relates to a sludge return system technical field specifically is a sludge return system for printing and dyeing wastewater treatment.

Background

In recent years, along with the rapid development of the textile industry, the discharge amount of printing and dyeing wastewater is huge, and the printing and dyeing wastewater has the characteristics of high suspended solid, high chroma, high inorganic salt, complex components, poor biodegradability and the like.

CN214880520U discloses a contact oxidation sewage treatment device, which has good printing and dyeing wastewater treatment potential, and comprises a contact oxidation tank and an intelligent filter tank, wherein sludge intercepted by the intelligent filter tank is a good carbon source for the previous contact oxidation process, and if the sludge can be effectively utilized, the cost is saved, and the sewage treatment efficiency can be improved.

The printing and dyeing wastewater treatment process comprises the following steps: sewage flows through the contact oxidation pond, the contact oxidation pond group has the filler to supply activated sludge to hang the membrane, there is a large amount of activated sludge in the pond, activated sludge provides living environment for the bacterium, organic pollutant in the bacterium decomposition sewage, activated sludge metabolite and part suspension mud are driven by sewage and are got into the intelligent filter and deposit, sewage and mud layering back, most mud are collected in intelligent filter mud bucket, by the sludge pump again, go back to and continue to use in the contact oxidation pond through mud return system.

The existing sludge backflow system has the defects that the backflow pump is always in an idle running state due to the unstable sludge yield, the aging is accelerated, and the size of the sludge backflow amount cannot be automatically adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mud return-flow system for printing and dyeing wastewater treatment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sludge recirculation system for printing and dyeing wastewater treatment, including the anaerobism pond, contact oxidation pond and intelligent filter pond, the anaerobism pond passes through anaerobism pond outlet pipe intercommunication contact oxidation pond, contact oxidation pond outlet pipe intercommunication intelligent filter pond, the intelligent filter pond communicates to anaerobism pond effluent flume all the way through intelligent filter pond mud back flow and shunt tubes, another way communicates to in the anaerobism pond, be equipped with the pneumatic valve on the intelligent filter pond mud back flow, connect, manual turbine butterfly valve, intelligent filter pond mud backwash pump and check valve, be equipped with a manual turbine butterfly valve on each pipeline of shunt tubes.

The utility model discloses an it is preferred: the pneumatic valve is connected to a pneumatic valve air supply pipe through an air supply hose and an air pipe quick connector, a manual ball valve is arranged on the pneumatic valve air supply pipe, and a pneumatic duplex piece is arranged on the air supply hose.

The utility model discloses an it is preferred: the pneumatic valve is a pneumatic ball valve.

The utility model discloses a preferred: the joint is a rubber soft joint.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) When the sludge backflow quantity is small, the sludge flows back to the water outlet groove of the anaerobic tank, the sludge and the sewage are mixed more uniformly before entering the contact oxidation tank, and meanwhile, the retention time of the sludge in the sludge backflow pipe of the intelligent filter tank is longer;

(2) When the sludge backflow amount is large, the sludge flows back into the anaerobic tank, and the sludge is prevented from leaking out due to insufficient capacity of the anaerobic tank water outlet tank when the sludge flows back into the anaerobic tank water outlet tank;

(3) Because the sludge yield is unstable, the reflux pump works intermittently, and the accelerated aging of the reflux pump in an idling state is avoided;

(4) The structure is provided with the pneumatic valve, so that the automatic adjustment of the reflux quantity of the sludge can be realized;

(5) When the structural joint needs to be replaced, the pneumatic valve and the manual turbine butterfly valve are closed at the same time, so that the phenomenon that the sludge in the sludge return pipe of the intelligent filter tank leaks out of the pipe is avoided, and the operation cost is increased;

(6) Because the intelligence filtering pond is sedimentation tank and two unification structures of filtering ponds, compares in traditional sedimentation tank and filtering ponds isolating construction's mud backward flow, the utility model discloses only need use single backwash pump, avoided the tradition to adopt two backwash pumps (each at least one backwash pump in sedimentation tank and filtering ponds) to need the problem of coordination work.

Drawings

FIG. 1 is a schematic structural view of a sludge recirculation system for treating printing and dyeing wastewater according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a sludge return pipe of the intelligent filter; 2. a pneumatic valve air supply pipe; 3. a pneumatic valve; 4. a joint; 5. a manual worm-wheel butterfly valve; 6. a sludge reflux pump of the intelligent filter; 7. a check valve; 8. a water outlet groove of the anaerobic tank; 9. an anaerobic tank; 10. a contact oxidation pond; 11. an intelligent filter chamber; 12. a manual ball valve; 13. a quick connector for an air pipe; 14. an air supply hose; 15. a pneumatic duplex piece; 16. and (4) dividing the tube.

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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1, a sludge recirculation system for printing and dyeing wastewater treatment, including anaerobism pond 9, contact oxidation pond 10 and intelligent filter 11, anaerobism pond 9 passes through anaerobism pond outlet pipe intercommunication contact oxidation pond 10, contact oxidation pond outlet pipe intercommunication intelligent filter 11, intelligent filter 11 communicates to anaerobism pond effluent trough 8 through intelligent filter mud back flow 1 and shunt tubes 16 all the way, another way communicates to in the anaerobism pond 9, be equipped with pneumatic valve 3 on the intelligent filter mud back flow 1, connect 4, manual turbine butterfly valve 5, intelligent filter mud backwash pump 6 and check valve 7, be equipped with a manual turbine butterfly valve 5 on each pipeline of shunt tubes 16.

The utility model discloses a theory of operation: printing and dyeing waste water at first gets into anaerobism pond 9 reaction, flow out through anaerobism pond outlet pipe and enter into contact oxidation pond 10 reaction, then flow out by contact oxidation pond outlet pipe and get into intelligent filter 11 and filter, mud in the intelligent filter 11 provides power by intelligent filter mud backwash pump 6, flow back to anaerobism pond outlet trough 8 or anaerobism pond 9 in through intelligent filter mud back flow 1 (switch over through the manual turbine butterfly valve 5 on 16 each pipelines of shunt tubes, flow back to in anaerobism pond 9 when the backward flow volume is big, flow back to in anaerobism pond outlet trough 8 when the backward flow volume is little), flow out through the anaerobism pond outlet pipe again and enter into contact oxidation pond 10, accomplish a circulation.

The utility model has the advantages that: 1. when the sludge backflow quantity is small, the sludge flows back to the water outlet groove of the anaerobic tank, the sludge and the sewage are mixed more uniformly before entering the contact oxidation tank, and meanwhile, the retention time of the sludge in the sludge backflow pipe of the intelligent filter tank is longer; 2. when the sludge backflow quantity is large, the sludge flows back into the anaerobic tank, and the sludge is prevented from leaking out due to insufficient capacity of the water outlet tank of the anaerobic tank when the sludge flows back into the water outlet tank of the anaerobic tank; 3. because the sludge yield is unstable, the reflux pump works intermittently, and the accelerated aging of the reflux pump in an idling state is avoided; 4. the structure is provided with the pneumatic valve, so that the automatic adjustment of the size of the sludge reflux quantity can be realized; 5. when the structural joint needs to be replaced, the pneumatic valve and the manual turbine butterfly valve are closed at the same time, so that the phenomenon that the sludge in the sludge return pipe of the intelligent filter tank leaks out of the pipe is avoided, and the operation cost is increased; 6. because the intelligence filtering pond is two unification structures of sedimentation tank and filtering ponds, compares in traditional sedimentation tank and filtering ponds isolating construction's mud backward flow, the utility model discloses only need use single backwash pump, avoided the tradition to adopt two backwash pumps (each at least one backwash pump of sedimentation tank and filtering ponds) to need the problem of coordinated work.

Referring to fig. 2, the pneumatic valve 3 is connected to the pneumatic valve air supply pipe 2 through an air supply hose 14 and an air pipe quick connector 13, a manual ball valve 12 is disposed on the pneumatic valve air supply pipe 2, and a pneumatic coupler is disposed on the air supply hose 14.

The utility model discloses in, pneumatic valve 3 is preferred pneumatic ball valve, connects 4 and connects for the soft joint of rubber.

The utility model discloses in, intelligent filter mud backwash pump 6 is one and is equipped with.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a mud return-flow system for printing and dyeing wastewater treatment which characterized in that: including anaerobism pond, contact oxidation pond and intelligent filter, the anaerobism pond passes through anaerobism pond outlet pipe intercommunication contact oxidation pond, and contact oxidation pond outlet pipe intercommunication intelligent filter, intelligent filter communicate all the way to anaerobism pond outlet chute through intelligent filter mud back flow and shunt tubes, and another way communicates to in the anaerobism pond, is equipped with pneumatic valve, joint, manual worm wheel butterfly valve, intelligent filter mud backwash pump and check valve on the intelligent filter mud back flow, is equipped with a manual worm wheel butterfly valve on each pipeline of shunt tubes.

2. The sludge recirculation system for printing and dyeing wastewater treatment according to claim 1, characterized in that: the pneumatic valve is connected to a pneumatic valve air supply pipe through an air supply hose and an air pipe quick connector, a manual ball valve is arranged on the pneumatic valve air supply pipe, and a pneumatic duplex piece is arranged on the air supply hose.

3. The sludge recirculation system for printing and dyeing wastewater treatment according to claim 1, characterized in that: the pneumatic valve is a pneumatic ball valve.

4. The sludge recirculation system for printing and dyeing wastewater treatment according to claim 1, characterized in that: the joint is a rubber soft joint.