CN218811175U - Washing wastewater advanced treatment process equipment - Google Patents

Washing wastewater advanced treatment process equipment Download PDF

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Publication number
CN218811175U
CN218811175U CN202222936266.XU CN202222936266U CN218811175U CN 218811175 U CN218811175 U CN 218811175U CN 202222936266 U CN202222936266 U CN 202222936266U CN 218811175 U CN218811175 U CN 218811175U
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tank
ceramic membrane
pool
treatment process
process equipment
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CN202222936266.XU
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Inventor
胡昌
张锡辉
范小江
黄希
杨淑琪
丁一鸣
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Zhangjiagang Huayuan Environment Technology Co ltd
Shenzhen Huayuan Environment Technology Co ltd
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Zhangjiagang Huayuan Environment Technology Co ltd
Shenzhen Huayuan Environment Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The utility model relates to the technical field of wastewater treatment, in particular to a washing wastewater advanced treatment process device, which comprises a sewage pool, a regulating pool and a sewage treatment system which are sequentially connected through a conveying channel; the sewage treatment system comprises an electrolytic air flotation device, a ceramic membrane tank, an activated carbon tank, a clean water tank, a water outlet channel and a sludge collection and dehydration device which are sequentially connected through a conveying channel, wherein the output end of the adjusting water tank is connected with the input end of the electrolytic air flotation device through a pipeline. The process equipment uses the ceramic membrane pool to replace the traditional MBR membrane, and adopts the ceramic membrane, so that the service life is longer, the flux is larger, the chemical stability is good, and the oxidation resistance is strong. The electrolytic air floatation device removes suspended matters through an electrolytic air floatation method, and compared with a traditional air floatation tank, the electrolytic air floatation device is small in occupied area and low in water outlet suspended matters.

Description

Advanced treatment process equipment for washing wastewater
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to washing wastewater advanced treatment process equipment.
Background
The washing wastewater is generally treated by a sedimentation tank, an MBR organic membrane, a sand filter and other multiple devices, for example, an industrial park wastewater treatment system (publication No. CN 210340609U) in Chinese patent, and the treatment of the washing wastewater sequentially passes through a linen fiber automatic slag scooping tank, a sewage collecting tank, a sewage coagulation reactor, a primary sedimentation tank, a primary hydrolysis acidification tank, an MBBR biological reaction tank, a secondary sedimentation tank, a secondary hydrolysis acidification tank, a biological contact oxidation tank, an MBR membrane biological reaction tank, an H2O2/UV advanced combined oxidation disinfection section, a clean water tank and a standard discharge well.
The device uses an MBR membrane as a main treatment technology, and has a plurality of defects, such as large occupied area of a sedimentation tank and high suspended matter of effluent; MBR organic membrane is easy to cause membrane pollution and has small flux; the MBR organic membrane has short service life and is easy to age.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a washing wastewater advanced treatment process equipment, this equipment air supporting pond takes up an area of little play water suspended solid lower, and life is longer, and chemical stability is good, and oxidation resistance is strong.
In order to achieve the above object, the utility model adopts the following technical scheme:
a washing wastewater advanced treatment process device comprises a sewage tank, a regulating water tank and a sewage treatment system which are sequentially connected through a conveying channel;
the sewage treatment system comprises an electrolytic air flotation device, a ceramic membrane tank, an activated carbon tank, a clean water tank, a water outlet channel and a sludge collecting and dehydrating device which are sequentially connected through a conveying channel, wherein the output end of a regulating water tank is connected with the input end of the electrolytic air flotation device through a pipeline;
the electrolytic flotation equipment is also provided with coagulant adding equipment and a sludge output port, the coagulant adding equipment is used for adding coagulant and leading flocculate to be generated in the sewage in the tank body and collected at the sludge output port, and the sludge output port is communicated with the sludge collection and dehydration equipment through a pipeline;
the ceramic membrane pool comprises a pool body, an ozone aeration device and a ceramic membrane component and is used for carrying out sedimentation, filtration and catalytic ozonation reaction to remove organic matters and suspended matters in the air-floated effluent;
the activated carbon pool is used for removing residual organic matters in water under the dual actions of adsorption and microbial degradation.
Preferably, the ceramic membrane in the ceramic membrane module is a membrane with pore channels formed by bonding uniform nano-scale ceramic particles and an ozone catalyst.
Preferably, the ceramic particles have a particle size in the range of 65nm to 650nm.
Preferably, the average diameter of the pore channels is from 10nm to 100nm.
Preferably, the ceramic particles are metal oxide ceramics.
Preferably, the ceramic membrane pool further comprises an ozone aeration device, the ozone aeration device is mounted at a position close to the bottom of the pool body relative to the ceramic membrane component, and the ceramic membrane component is mounted above the ozone aeration device.
Preferably, the bottom surface of the tank body is in a slope shape, and a sewage draining outlet is formed in the bottom end of the slope.
Use the utility model has the advantages that:
1. the process equipment uses the ceramic membrane pool to replace the traditional MBR membrane, and adopts the ceramic membrane, so that the service life is longer, the flux is larger, the chemical stability is good, and the oxidation resistance is strong.
2. The electrolytic air floatation equipment removes suspended matters through an electrolytic air floatation method, and compared with the traditional air floatation tank, the electrolytic air floatation equipment has small floor area and lower water outlet suspended matters.
Drawings
FIG. 1 is a schematic view of the washing wastewater advanced treatment process equipment of the present invention.
FIG. 2 is a schematic view of a sewage treatment system in the advanced treatment process equipment for washing wastewater of the present invention.
The reference numerals include:
1-a raw water sewage tank, 2-an underground sewage tank, 3-a regulating water tank, 4-a sewage treatment system, 41-a plant room, 411-a raw water lift pump, 412-a sludge dewatering machine, 413-a PAM air flotation dispensing barrel, 414-a polyferric air flotation dispensing barrel, 415-a dewatering machine dispensing barrel, 416-a sludge storage barrel, 417-a single-screw pump, 42-an electrolytic air flotation device, 43-a ceramic membrane tank, 431-a membrane drug washing agent adding system, 432-a membrane suction pump, 433-a ceramic membrane tank backwashing pump, 44-an activated carbon tank, 441-a carbon tank backwashing pump, 45-a clean water tank, 46-a water outlet channel and 47-an ozone generation room.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present teachings.
As shown in fig. 1, the advanced treatment process equipment for washing wastewater provided by the embodiment comprises a sewage tank, a regulating water tank 3 and a sewage treatment system 4 which are sequentially connected through a conveying channel; the sewage treatment system 4 comprises an electrolytic flotation tank 42, a ceramic membrane tank 43, an activated carbon tank 44, a clean water tank 45, a water outlet channel 46 and sludge collection and dehydration equipment which are sequentially connected through a conveying channel, wherein the output end of the regulating water tank 3 is connected with the input end of the electrolytic flotation tank 42 through a pipeline; the electrolytic flotation tank 42 is also provided with coagulant adding equipment and a sludge output port, wherein the coagulant adding equipment is used for adding coagulant and leading flocculate to be generated in sewage in the tank body and collected at the sludge output port, and the sludge output port is communicated with sludge collection and dehydration equipment through a pipeline; the ceramic membrane tank 43 comprises a tank body, an ozone aeration device and a ceramic membrane component, and is used for carrying out sedimentation, filtration and catalytic ozonation reaction to remove organic matters and suspended matters in the air-floated effluent; an activated carbon tank 44 for removing organic matter remaining in the water by a dual action of adsorption and microbial degradation.
The process equipment is described in detail below.
As shown in figure 1, the process equipment is also provided with a raw water sewage pool 1, an underground sewage pool 2, a regulating pool 3 and a sewage treatment system 4 at the front of a sewage treatment system 4, wherein the raw water sewage pool 1 and the underground sewage pool 2 are used for collecting and storing sewage. The washing wastewater is balanced in water quantity and quality in the adjusting tank, the outlet water of the adjusting tank is rapidly mixed with a coagulant in the electrolytic air-floating tank 42 to form micro-floc particles and floats upwards through the adhesion of micro-bubbles generated by air-floating, clear water overflows the outlet water from the bottom of the air-floating tank and enters the ceramic membrane tank 43, the wastewater and ozone undergo catalytic oxidation reaction in membrane pores when passing through the membrane pores of the ceramic membrane, then enter the activated carbon filter layer through a pipeline and a suction pump for filtration, and residual organic matters in the water are removed under the dual actions of adsorption and microbial degradation.
Wet sludge generated by the air flotation system is driven into a sludge storage barrel 416 through a single-screw pump 417 and then is dehydrated through a sludge dehydrator 412.
Preferably, the ceramic membrane in the ceramic membrane module is a membrane with pore channels formed by bonding uniform nano-scale ceramic particles and an ozone catalyst. The ceramic particles have a particle size in the range of 65nm to 650nm. The average diameter of the pore channels is 10nm to 100nm. The ceramic particles are metal oxide ceramics. The ceramic membrane tank 43 is used for replacing a traditional MBR membrane, and a ceramic membrane is adopted, so that the service life is longer, the flux is larger, the chemical stability is good, and the oxidation resistance is strong.
The ceramic membrane tank 43 further comprises an ozone aeration device, the ozone aeration device is mounted at the position, close to the bottom, of the tank body relative to the ceramic membrane component, and the ceramic membrane component is mounted above the ozone aeration device. In the ceramic membrane tank 43, a water inlet, a water outlet and a sludge discharge port are arranged on the tank body, the ozone aeration device is arranged at a position close to the bottom of the tank body relative to the ceramic membrane component, the ceramic membrane component is arranged above the ozone aeration device, the water inlet pipeline extends to a position close to the ozone aeration device through the water inlet, the water outlet pipeline is connected with the outlet of the ceramic membrane component through the water outlet, the sludge discharge port is arranged at the bottom of the tank body, the ozone-containing gas prepared by the ozone generator in the ozone generation room 47 is uniformly distributed into micron-sized bubbles by the ozone aeration device, the micron-sized bubbles are uniformly mixed with the raw water conveyed from the water inlet pipeline and then flow upwards, and the raw water is discharged to the water outlet pipeline connected with the active carbon filter tank from the outlet of the ceramic membrane component after being filtered by the surface of the ceramic membrane component.
Preferably, the bottom surface of the ceramic membrane tank 43 is slope-shaped, and the bottom of the slope is provided with a sewage outlet.
The electrolytic air flotation tank 42 mixes the pollutants such as the emulsifier, the surfactant and the like in the washing wastewater with the flocculant and the coagulant aid through an electrolytic air flotation method to form colloidal flocs, the flocs float upwards with the adhesion of microbubbles generated by air flotation, clear water flows out through the bottom to realize solid-liquid separation, the electrolytic air flotation tank 42 is connected with the ceramic membrane tank 43 through a water inlet pipeline, and the ceramic membrane tank 43 is connected with the membrane suction pump 432 through a water outlet pipeline. The membrane suction pump 432 is connected with a water outlet pipeline and the activated carbon filter 44, the flow mode of water in the activated carbon filter is downward flow, a water outlet is arranged at the bottom of the activated carbon filter, the water flows to the clean water tank 45 through the pipeline, and finally the clean water is discharged through the water outlet channel 46.
The precipitation, membrane filtration and catalytic ozonation reaction are carried out synchronously, and the speed of water flow passing through the surface of the ceramic membrane component is 0.04m/h.
Compared with the prior art, the process equipment integrates a plurality of treatment units (preoxidation, precipitation, filtration, ozone oxidation and membrane filtration) into one ceramic membrane pool 43 for carrying out, thereby forming a short-flow advanced treatment process, and making the industrial wastewater treatment process possibly upgraded into the advanced treatment process on the basis of the original structure. This benefits from the form of the ceramic membrane module of the present invention, which enables integration of various processes due to the use of oxidation-resistant and submerged flat ceramic membrane modules.
In addition, the sewage treatment system 4 in the present apparatus is further provided with a plurality of auxiliary apparatuses, as shown in fig. 2, in the apparatus room 41, a raw water lift pump 411 is used for conveying the sewage in the conditioning water tank 3 to the electrolytic flotation tank 42, a PAM flotation dispensing barrel 413 and a polyferric flotation dispensing barrel 414 are used for conveying necessary PAM flotation dispensing and polyferric flotation dispensing during the use of the electrolytic flotation tank 42.
Still set up membrane medicine and wash medicament addition system 431 in ceramic membrane pond 43 department, this membrane medicine washes medicament addition system 431 and is used for being that ceramic membrane pond 43 uses the medicament of adding to ceramic membrane pond 43 after a period, washs ceramic membrane group through the medicament, is carrying out the backwash through ceramic membrane pond backwash pump 433. The similar activated carbon tank 44 is also provided with a carbon tank backwashing pump 441, which can backwash the activated carbon in the activated carbon tank 44, so as to avoid the flux reduction of the ceramic membrane group and the activated carbon and prolong the service life. The dehydrator dosing barrel 415 arranged at the sludge storage barrel 416 can convey the medicament into the sludge storage barrel 416.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.

Claims (7)

1. The washing wastewater advanced treatment process equipment is characterized in that: comprises a sewage pool, a regulating pool and a sewage treatment system which are sequentially connected through a conveying channel;
the sewage treatment system comprises an electrolytic air flotation device, a ceramic membrane tank, an activated carbon tank, a clean water tank, a water outlet channel and a sludge collecting and dehydrating device which are sequentially connected through a conveying channel, wherein the output end of an adjusting water tank is connected with the input end of the electrolytic air flotation device through a pipeline;
the electrolytic flotation equipment is also provided with coagulant adding equipment and a sludge output port, the coagulant adding equipment is used for adding coagulant and leading flocculate to be generated in the sewage in the tank body and collected at the sludge output port, and the sludge output port is communicated with the sludge collection and dehydration equipment through a pipeline;
the ceramic membrane pool comprises a pool body, an ozone aeration device and a ceramic membrane component and is used for carrying out sedimentation, filtration and catalytic ozonation reaction to remove organic matters and suspended matters in the air-floated effluent water;
the activated carbon pool is used for removing residual organic matters in water under the dual actions of adsorption and microbial degradation.
2. The advanced treatment process equipment for washing wastewater according to claim 1, characterized in that: the ceramic membrane in the ceramic membrane component is a membrane with pore channels formed by bonding uniform nano-scale ceramic particles and an ozone catalyst.
3. The advanced treatment process equipment for washing wastewater according to claim 2, characterized in that: the ceramic particles have a particle size in the range of 65nm to 650nm.
4. The washing wastewater advanced treatment process equipment according to claim 2, characterized in that: the average diameter of the pore channels is 10nm to 100nm.
5. The washing wastewater advanced treatment process equipment according to claim 2, characterized in that: the ceramic particles are metal oxide ceramics.
6. The washing wastewater advanced treatment process equipment according to claim 1, characterized in that: the ceramic membrane pool also comprises an ozone aeration device, the ozone aeration device is arranged at the position, close to the bottom, of the pool body relative to the ceramic membrane component, and the ceramic membrane component is arranged above the ozone aeration device.
7. The advanced treatment process equipment for washing wastewater according to claim 6, characterized in that: the bottom surface of cell body is slope form, the bottom on slope sets up the drain.
CN202222936266.XU 2022-11-04 2022-11-04 Washing wastewater advanced treatment process equipment Active CN218811175U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222936266.XU CN218811175U (en) 2022-11-04 2022-11-04 Washing wastewater advanced treatment process equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222936266.XU CN218811175U (en) 2022-11-04 2022-11-04 Washing wastewater advanced treatment process equipment

Publications (1)

Publication Number Publication Date
CN218811175U true CN218811175U (en) 2023-04-07

Family

ID=87252024

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222936266.XU Active CN218811175U (en) 2022-11-04 2022-11-04 Washing wastewater advanced treatment process equipment

Country Status (1)

Country Link
CN (1) CN218811175U (en)

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