CN212174750U

CN212174750U - Dye printing wastewater purification treatment system

Info

Publication number: CN212174750U
Application number: CN202020855415.8U
Authority: CN
Inventors: 郑铁芳; 邹瑞
Original assignee: Yichang Huizheng Environmental Protection Engineering Co ltd
Current assignee: Yichang Huizheng Environmental Protection Engineering Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-18
Anticipated expiration: 2030-05-20

Abstract

The utility model provides a dye printing wastewater purification treatment system, it includes that sewage advances the pipe, and sewage advances the pipe and links to each other with the filtering ponds, and the delivery port and the equalizing basin of filtering ponds link to each other, and the equalizing basin passes through the waste water elevator pump and connects air supporting machine and waste water elevator pump and the pipeline that the air supporting machine links to each other on set gradually the jar body that holds acid, alkali, flocculating agent and gelatinizing agent, the jar body is opened or is closed by solenoid valve control respectively, the liquid outlet of air supporting machine links to each other with the hydrolytic acidification pond, hydrolytic acidification pond liquid outlet links to each other with biochemical pond, the liquid outlet intercommunication sedimentation tank of biochemical pond, sludge impoundment is connected to the drain of air supporting machine and sedimentation tank, and sludge impoundment connects the sludge conditioning jar through mud pressing pump, and the filter press is connected to. The utility model discloses the sewage discharge that has significantly reduced has avoided mud to discharge at will and has leaded to secondary pollution, and is friendly to the environment.

Description

Dye printing wastewater purification treatment system

Technical Field

The utility model relates to a printing and dyeing water treatment technical field especially relates to a printing and dyeing wastewater purification treatment system.

Background

The printing and dyeing industry is an industrial wastewater discharge large-scale household, and the printing and dyeing wastewater has the characteristics of large water quantity, high organic pollutant content, deep chromaticity, high alkalinity, large water quality change and the like, and belongs to industrial wastewater which is difficult to treat. The printing and dyeing sludge is a residue in the printing and dyeing wastewater treatment process, contains a certain amount of pollutants, and can bring serious harm to human health and natural environment if the pollutants cannot be properly treated.

Patent CN201820242287.2 discloses a printing and dyeing waste water reclaimed water recovery unit, through setting up effluent water sump, flocculation and precipitation pond, PH equalizing basin, air supporting reaction tank, biological rotating disc, filter equipment, carries out physics to waste water and filters, adsorbs the organic matter of colour and solubility in the waste water, obtains pure water, nevertheless does not properly handle the printing and dyeing mud that the waste water treatment process produced, easily leads to appearing secondary pollution, causes new environmental problem.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a dye printing waste water purification treatment system carries out purification treatment to waste water through setting up filtering ponds, equalizing basin, jar body, air supporting machine, hydrolysis-acidification pond, biochemical pond and sedimentation tank to set up mud conditioning tank and plate and frame filter press and collect the processing to mud, it has solved that the waste water treatment process that exists among the prior art is incomplete, easily leads to appearing secondary pollution's problem.

According to the embodiment of the utility model, a dye printing wastewater purification treatment system, it includes that sewage advances the pipe, and sewage advances the pipe and links to each other with the filtering ponds, and the delivery port and the equalizing basin of filtering ponds link to each other, and the equalizing basin passes through the waste water elevator pump and connects air supporting machine and waste water elevator pump and the continuous pipeline of air supporting machine on set gradually the jar body that holds acid, alkali, flocculating agent and gelatinizing agent, the jar body is opened or is closed by solenoid valve control respectively, the liquid outlet of air supporting machine links to each other with the hydrolytic acidification pond, hydrolytic acidification pond liquid outlet links to each other with biochemical pond, biochemical pond's liquid outlet intercommunication sedimentation tank, sludge impoundment is connected to the drain of air supporting machine and sedimentation tank, and sludge impoundment connects sludge conditioning tank through mud pressing pump, and sludge conditioning tank passes through mud pressing pump connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up filtering ponds, equalizing basin, jar body, air supporting machine, hydrolysis-acidification tank and biochemical pond, filter and purification treatment to waste water, greatly reduced the emission of sewage, protected the environment.

2. Through setting up mud and taking care of jar and plate and frame filter press, carry out the concentrated dehydration to mud and handle, reduce the volume of mud through the moisture content that reduces mud, greatly reduced the stench of mud, avoided secondary pollution, it is more friendly to the environment.

Drawings

Fig. 1 is a schematic view of a main structure of an embodiment of the present invention.

In the above drawings: 1. a sewage inlet pipe; 2. a filtration tank; 20. a stainless steel screen; 3. a regulating tank; 30. a wastewater circulating pump; 31. a cooling tower; 4. a wastewater lift pump; 40. an electromagnetic flow meter; 5. an air flotation machine; 50. a belt conveyor; 6. a tank body; 60. an electromagnetic valve; 7. a hydrolysis acidification pool; 8. a biochemical pool; 80. an aeration pipe; 9. a sedimentation tank; 10. a sludge tank; 11. a sludge lift pump; 12. a sludge conditioning tank; 13. a mud pressing pump; 14. and (4) a plate-and-frame filter press.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figure 1, the embodiment of the utility model provides a dye printing wastewater purification treatment system, which comprises a wastewater inlet pipe 1, wherein the wastewater inlet pipe 1 is connected with a filtering tank 2, the water outlet of the filtering tank 2 is connected with an adjusting tank 3, the adjusting tank 3 is connected with an air flotation machine 5 through a wastewater lifting pump 4, a tank body 6 for containing acid, alkali, flocculating agent and gelatinizing agent is sequentially arranged on the pipeline connecting the wastewater lifting pump 4 and the air flotation machine 5, the tank bodies 6 are respectively controlled to be opened or closed by an electromagnetic valve 60, the liquid outlet of the air floatation machine 5 is connected with a hydrolysis acidification tank 7, the liquid outlet of the hydrolysis acidification tank 7 is connected with a biochemical tank 8, the liquid outlet of the biochemical tank 8 is communicated with a sedimentation tank 9, the sewage discharge port of the air flotation machine 5 and the sedimentation tank 9 is connected with a sludge tank 10, the sludge tank 10 is connected with a sludge conditioning tank 12 through a sludge lifting pump 11, and the sludge conditioning tank 12 is connected with a plate-and-frame filter press 14 through a sludge pressing pump 13.

In the scheme, the filtering tank 2 is arranged to remove large-particle impurities and other suspended matters, so that a water pump and a pipeline are effectively prevented from being blocked, and the normal operation of a subsequent treatment device is ensured; the adjusting tank 3 is used for homogenizing water quality and balancing water quantity, and particulate matters in water are prevented from depositing on the bottom of the tank; the tank bodies 6 for containing acid, alkali, flocculating agent and gelling agent are arranged, and the outlets of the tank bodies 6 are respectively controlled to be opened or closed through four electromagnetic valves 60, so that the respective control is facilitated, the acid and the alkali are used for adjusting the pH value of water, the flocculating agent ensures that colloids and suspended matters in the wastewater are rapidly destabilized to form easily-settled alum flocs, and the gelling agent ensures that the alum flocs become large to realize flocculation; the air floatation machine 5 adsorbs suspended particles through fine bubbles, floats on the water surface by utilizing the buoyancy principle, and then removes the suspended particles, and can increase the oxygen content in the wastewater; the hydrolysis acidification tank 7 improves the aerobic biodegradability of the wastewater, the biochemical tank 8 continuously aerates and then decomposes, adsorbs and coagulates organic matters in the water under the action of aerobic bacteria to achieve the purpose of biomass treatment, and then the biological matters are precipitated in the precipitation tank 9 to obtain purified water; the sludge conditioning tank 12 pretreats sludge to improve the concentration and dehydration efficiency of the sludge, the plate and frame filter press 14 forces sludge moisture to pass through a filter medium to form filtrate, and solid particles are intercepted on the medium to form filter cakes, so that the sludge is dewatered, subsequent concentrated transfer treatment is facilitated, malodor is reduced, secondary pollution is effectively avoided, and the environment is protected.

As shown in FIG. 1, two stainless steel screens 20 are arranged in parallel in the filtering tank 2 to perform secondary filtering on the sewage. Cloth, fiber and big particulate matter in the waste water are filtered in proper order through setting up two stainless steel screen cloth 20, the subsequent processing of being convenient for.

The adjusting tank 3 is connected with a cooling tower 31 through a waste water circulating pump 30, and the cooling tower 31 is installed at the top of the adjusting tank 3. The cooling tower 31 is arranged to play a role in reducing the water temperature, and the wastewater circulating pump 30 realizes water circulation to ensure the normal operation of the system.

Sulfuric acid is contained in the acid containing tank 6, and a sodium hydroxide solution is contained in the alkali containing tank 6. The pH value of the water quality is adjusted by adding sulfuric acid or sodium hydroxide solution, so that the requirement of the subsequent treatment process is met.

An electromagnetic flow meter 40 is arranged on a pipeline connecting the wastewater lifting pump 4 and the tank body 6. The flow of the sewage is measured by arranging the electromagnetic flow meter 40, so that the addition amount of acid, alkali, flocculating agent and gelling agent can be controlled according to the flow of the sewage, and the flocculation effect is effectively ensured.

The top of the air flotation machine 5 is provided with a belt conveyor 50 for conveying floating objects in the air flotation machine 5. The belt conveyor 50 is arranged to timely convey and transfer the floating objects, so that continuous and reliable operation of the device is guaranteed.

A plurality of aeration pipes 80 are uniformly arranged at the bottom of the biochemical tank 8. The aeration quality is ensured by the plurality of aeration pipes 80.

And a sodium hypochlorite solution is added into the sedimentation tank 9. And the wastewater finally reaches the standard and is discharged by adding sodium hypochlorite for disinfection and sterilization.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a dye printing waste water purification treatment system which characterized in that: including sewage advance the pipe, sewage advances the pipe and links to each other with the filtering ponds, and the delivery port of filtering ponds links to each other with the equalizing basin, and the equalizing basin passes through the waste water elevator pump and connects the jar body that holds acid, alkali, flocculating agent and gelatinizing agent to set gradually on the pipeline that air supporting machine and waste water elevator pump link to each other with the air supporting machine, jar body is opened or is closed by solenoid valve control respectively, the liquid outlet of air supporting machine links to each other with the hydrolytic acidification pond, hydrolytic acidification pond liquid outlet links to each other with biochemical pond, biochemical pond's liquid outlet intercommunication sedimentation tank, sludge impoundment is connected to the drain of air supporting machine and sedimentation tank, and sludge impoundment connects sludge conditioning jar through mud pressing pump, and sludge conditioning jar passes through mud pressing.

2. The dye printing wastewater purification treatment system according to claim 1, wherein: two stainless steel screens are arranged in parallel in the filtering tank to carry out secondary filtering on the sewage.

3. The dye printing wastewater purification treatment system according to claim 1, wherein: the adjusting tank is connected with a cooling tower through a wastewater circulating pump, and the cooling tower is arranged at the top of the adjusting tank.

4. The dye printing wastewater purification treatment system according to claim 1, wherein: sulfuric acid is contained in the acid containing tank and sodium hydroxide solution is contained in the alkali containing tank.

5. The dye printing wastewater purification treatment system according to claim 1, wherein: an electromagnetic flowmeter is arranged on the pipeline connecting the waste water lift pump and the tank body.

6. The dye printing wastewater purification treatment system according to claim 1, wherein: and a belt conveyor is arranged at the top of the air floatation machine to convey floating objects in the air floatation machine.

7. The dye printing wastewater purification treatment system according to claim 1, wherein: and a plurality of aeration pipes are uniformly arranged at the bottom of the biochemical tank.

8. The dye printing wastewater purification treatment system according to claim 1, wherein: and a sodium hypochlorite solution is added into the sedimentation tank.