CN207608394U - Industrial wastewater energy-saving constant-temperature biochemical processing device - Google Patents

Industrial wastewater energy-saving constant-temperature biochemical processing device Download PDF

Info

Publication number
CN207608394U
CN207608394U CN201721589549.4U CN201721589549U CN207608394U CN 207608394 U CN207608394 U CN 207608394U CN 201721589549 U CN201721589549 U CN 201721589549U CN 207608394 U CN207608394 U CN 207608394U
Authority
CN
China
Prior art keywords
temperature
aerobic
sludge
anaerobic
strain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721589549.4U
Other languages
Chinese (zh)
Inventor
田永
余嘉麒
曾志成
林学乐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VISION ENVIRONMENT (GUANGZHOU) CO Ltd
Original Assignee
VISION ENVIRONMENT (GUANGZHOU) CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VISION ENVIRONMENT (GUANGZHOU) CO Ltd filed Critical VISION ENVIRONMENT (GUANGZHOU) CO Ltd
Priority to CN201721589549.4U priority Critical patent/CN207608394U/en
Application granted granted Critical
Publication of CN207608394U publication Critical patent/CN207608394U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of industrial wastewater energy-saving constant-temperature biochemical processing device is provided, is made of high temperature anaerobic reaction system, anaerobic precipitation system, normal-temperature aerobic reaction system, aerobic settling system, constant temperature sludge recirculation system.Provide it is a kind of can long-term low energy consumption to biochemical anaerobism, the aerobic equipment for carrying out constant temperature processing, it can guarantee biochemical strain in the case where different environment temperatures and water temperature change, it can keep temperature incubation function for a long time by way of low energy consumption, it is ensured that the reaction effect of biochemical strain can realize optimization process effect under the premise of stabilization.The different application position of heat source and low-temperature receiver in biochemical anaerobism, aerobic system is taken full advantage of, the utilization rate of the energy is improved, its efficiency saves about 70% or more compared with traditional handicraft;The processing equipment scheme that is also improved to original biochemical process simultaneously optimizes its and handles effect, by the utility model device to the thermostatic control of biochemical system after, the removal rate of biochemical treatment COD reaches 95% or more.

Description

Industrial wastewater energy-saving constant-temperature biochemical processing device
Technical field
The utility model belongs to field of industrial waste water treatment more particularly to a kind of industrial wastewater energy-saving constant-temperature biochemical treatment is set It is standby.
Background technology
Passing through pretreated industrial wastewater, other special heavy metal contaminants etc. have been removed, in row up to standard Removal before putting primarily directed to the COD of high concentration is handled.For the COD industrial wastewaters of high concentration, generally can use anaerobism and Aerobic biological treatment process, the technique are mainly the discomposing effect for utilizing anaerobic sludge strain and aerobic sludge bacteria kind to COD, but Anaerobic sludge strain and the treatment effect of aerobic sludge bacteria kind are extremely sensitive to water quality temperature.Anaerobic species need to be maintained at 50 degree Above water temperature and quality can just have a best treatment effect, and aerobic strain then needs to control the water temperature water in 25~30 degree of room temperature Matter can just have best treatment effect.Therefore, original technique is when seasonal variations, use environment change, at biochemistry The effect of science and engineering skill will become uncontrollable.If using general electrical heating or steam-heated mode, sludge strain will It is dead without the high temperature for bearing cataclysm is sent out.For many years, constant temperature control can effectively be realized by not occurring one kind always in the industry The biochemical processing device of system.
Invention content
In view of the aforementioned technical background the problem of, thus to provide a kind of industrial wastewater energy saving for the utility model Constant temperature biochemical processing device is to solve the above problems.
The technical solution adopted in the utility model is:
Industrial wastewater energy-saving constant-temperature biochemical processing device, by high temperature anaerobic reaction system, anaerobic precipitation system, normal-temperature aerobic Reaction system, aerobic settling system, constant temperature sludge recirculation system composition, the high temperature anaerobic reaction system allow after pretreatment High concentration COD industrial wastewater enter in anaerobic reaction system, be maintained at the water temperature of the first temperature;The anaerobic precipitation system is used In avoiding the sludge strain in anaerobic reaction system from flowing into subsequent system with flow, anaerobic sludge strain is in deposition sloped tube Realize that sedimentation separation, most sludge will be deposited in the inclined-plane of anaerobic sludge settling system bottom under the operation of filler, institute Anaerobic precipitation system is stated to be formed by the first diversion pipe, the first deposition sloped tube filler combination.Its major function be avoid it is anti-in anaerobism Answer the sludge strain in system as flow flows into subsequent system, anaerobic sludge strain is real under the operation of deposition sloped tube filler Existing sedimentation separation, most sludge will be deposited in the inclined-plane of anaerobic sludge settling system bottom, and industrial wastewater passes through water conservancy diversion Pipe flows into aerobic reaction system;The normal-temperature aerobic reaction system is for allowing aerobic strain sludge will be under room temperature aerator It fully reacts with industrial wastewater, under the cooling effect to aerator of constant temperature sludge recirculation system, is maintained at second The water temperature of temperature, the normal-temperature aerobic reaction system are composed of the second diversion pipe, room temperature aerator.Its major function is Aerobic strain sludge will fully be reacted with industrial wastewater under room temperature aerator, in pair of constant temperature sludge recirculation system Under the cooling effect of aerator, it is maintained at 25~30 degree of water temperature, aerobic strain can remove COD real under water temperature control Now best treatment effect.It is aerobic heavy that low-concentration industrial waste water after treatment enters with aerobic strain sludge by diversion pipe In the system of shallow lake;The aerobic settling system is used to avoid the sludge strain in aerobic reaction system subsequent as flow flows into System, aerobic strain sludge will realize that sedimentation separation, most sludge will be deposited on aerobic dirt under the operation of deposition sloped tube In the inclined-plane of mud settling system bottom, the aerobic settling system is by third diversion pipe, the second deposition sloped tube filler, drainpipe group It closes.Its main function is that sludge strain in aerobic reaction system is avoided to flow into subsequent system with flow, aerobic Strain sludge will realize that sedimentation separation, most sludge will be deposited on aerobic sludge settling system under the operation of deposition sloped tube In the inclined-plane of bottom.The COD that 95% or more has been had been removed by the industrial wastewater after deposition sloped tube, eventually pass through drainpipe into Enter in subsequent processing device;The constant temperature sludge recirculation system is freezed simultaneously using low energy consumption heat pump main frame and the function of heating, The constant temperature sludge recirculation system is by anaerobism drainpipe, anaerobic sludge return duct, aerobic drainpipe, aerobic sludge return duct, good Oxygen cycle pump, anaerobism circulating pump, air blower, heat source heat exchanger, low energy consumption heat pump main frame, low-temperature receiver heat exchanger, equipment supporter combination It forms.Its main function is the function using low energy consumption heat pump main frame while refrigeration and heating.It realizes for a long time, pair of low energy consumption Biochemical anaerobism, aerobic system constant temperature ensure.
Wherein, the first temperature is 50~55 degree, and COD can be realized optimal level-one is pre- by controlling lower anaerobic species at this temperature Treatment effect;
Second temperature is 25~30 degree, and aerobic strain can remove COD and realize that best processing is imitated under controlling at this temperature Fruit.
Industrial wastewater energy-saving constant-temperature biochemical processing device is mainly applied in traditional biochemical processing process, the equipment energy Ensure that biochemical strain in the case where different environment temperatures and water temperature change, can keep permanent for a long time by way of low energy consumption Temperature function, it is ensured that the reaction effect of biochemical strain can realize optimization process effect under the premise of stabilization.This equipment can be according to useless The difference of water project and adjust realization method.For infant industry waste water project, this equipment can according to integral structure mode, Implementation is installed with together with anaerobic reaction system, aerobic reaction system, realizes maximum space availability ratio.For with the biochemistry of structure Project can install constant temperature sludge recirculation system additional, to realize biochemical treatment effect of constant temperature in original pond body structure.
In one preferred embodiment, the high temperature anaerobic reaction system is filled out by water inlet line, high temperature anaerobic strain Material is composed.Its major function is to allow enter in anaerobic reaction system by pretreated high concentration COD industrial wastewater, is protected The water temperature at 50~55 degree is held, realizes optimal COD level-one pretreating effects, COD is by original big point in this process procedure Minor structure is small molecule structure by strain degradation, and efficient anaerobic degradation can provide good basis for subsequent Aerobic Process for Treatment. Industrial wastewater after treatment is flowed by diversion pipe in anaerobic sludge settling system.
The principle that the equipment mainly can heat and freeze simultaneously using the heat pump main frame of low energy consumption is recycled, to detesting Sludge in oxygen reaction system realizes heating heating function.And heat source air is at 60 degree caused by general traditional air blower More than, traditional blast air can clip high temperature and be conveyed into aerobic reaction system, this equipment utilizes the refrigeration of heat pump main frame simultaneously Function is normal temperature air to blast air heat exchange.After the constant temperature processing of this equipment, effectively anaerobic reaction system can be stablized Control is at 50 degree~55 degree, and aerobic reaction system stability contorting is at 25~30 degree.Ensure biochemical system can not by environment temperature or While water quality temperature change generates fluctuation, degradation effect of the biochemical treatment to high concentration COD can be maximumlly realized, by this Device constant temperature treated biochemical system COD removal rates are generally 95% or more.
Beneficial technique effect caused by the utility model:
First, the utility model provide it is a kind of can long-term low energy consumption to biochemical anaerobism, aerobic carry out constant temperature processing Equipment can guarantee biochemical strain in the case where different environment temperatures and water temperature change, when can be long by way of low energy consumption Between keep temperature incubation function, it is ensured that the reaction effect of biochemical strain can realize optimization process effect under the premise of stabilization;In addition originally Invention takes full advantage of the different application position of heat source and low-temperature receiver in biochemical anaerobism, aerobic system, improves the utilization of the energy Rate, its efficiency saves about 70% or more compared with traditional handicraft;The processing equipment that also original biochemical process is improved simultaneously Scheme, optimize its handle effect, by the utility model device to the thermostatic control of biochemical system after, biochemical treatment COD's goes Except rate reaches 95% or more.
Description of the drawings
Attached drawing 1 is the structure chart of the equipment of the utility model;
Attached drawing 2 is the structural framing figure of the utility model;
Specific implementation mode
Hereinafter, the utility model is described in detail by attached drawing.Hereinafter, same component uses same symbol.
As illustrated in fig. 1 and 2, the utility model provides a kind of industrial wastewater energy-saving constant-temperature biochemical processing device, by high temperature Anaerobic reaction system, anaerobic precipitation system, normal-temperature aerobic reaction system, aerobic settling system, constant temperature sludge recirculation system composition, The high temperature anaerobic reaction system, which allows, to be entered by pretreated high concentration COD industrial wastewater in anaerobic reaction system, is kept In the water temperature of the first temperature;The anaerobic precipitation system is used to avoid the sludge strain in anaerobic reaction system with flow stream Enter subsequent system, anaerobic sludge strain realizes that sedimentation separation, most sludge will sink under the operation of deposition sloped tube filler Product is in the inclined-plane of anaerobic sludge settling system bottom, and the normal-temperature aerobic reaction system is for allowing aerobic strain sludge will be normal It fully reacts with industrial wastewater under warm aerator, in the cooling effect to aerator of constant temperature sludge recirculation system Under, it is maintained at the water temperature of second temperature;The aerobic settling system be used to avoid sludge strain in aerobic reaction system with It flow and flows into subsequent system, aerobic strain sludge will realize sedimentation separation, most dirt under the operation of deposition sloped tube Mud will be deposited in the inclined-plane of aerobic sludge settling system bottom;The constant temperature sludge recirculation system utilizes low energy consumption heat pump main frame The function of freezing and heat simultaneously.
The anaerobic precipitation system is composed of the first diversion pipe (4), the first deposition sloped tube filler (5).Its main work( Can be that sludge strain in anaerobic reaction system is avoided to flow into subsequent system with flow, anaerobic sludge strain is oblique in precipitation Realize that sedimentation separation, most sludge will be deposited in the inclined-plane of anaerobic sludge settling system bottom under the operation of tube packing. Industrial wastewater is flowed by diversion pipe in aerobic reaction system.
The normal-temperature aerobic reaction system is composed of the second diversion pipe (7), room temperature aerator (8).Its main work( Can be that aerobic strain sludge will fully be reacted with industrial wastewater under room temperature aerator, in constant temperature sludge recirculation system The cooling effect to aerator under, be maintained at 25~30 degree of water temperature, the water temperature control under aerobic strain COD can be gone Except the treatment effect that realization is best.Low-concentration industrial waste water after treatment enters with aerobic strain sludge by diversion pipe In oxygen precipitation system.
The aerobic settling system is combined by third diversion pipe (10), the second deposition sloped tube filler (11), drainpipe (13) It forms.Its main function is that sludge strain in aerobic reaction system is avoided to flow into subsequent system, aerobic bacteria with flow Kind sludge will realize that sedimentation separation, most sludge will be deposited on aerobic sludge settling system bottom under the operation of deposition sloped tube In the inclined-plane in portion.The COD that 95% or more has been had been removed by the industrial wastewater after deposition sloped tube eventually passes through drainpipe entrance In subsequent processing device.
The constant temperature sludge recirculation system by anaerobism drainpipe (3), anaerobic sludge return duct (6), aerobic drainpipe (9), It is aerobic sludge return duct (12), aerobic circulating pump (14), anaerobism circulating pump (15), air blower (16), heat source heat exchanger (17), low Energy consumption heat pump main frame (18), low-temperature receiver heat exchanger (19), equipment supporter (20) are composed.Its main function is to utilize low energy heat dissipation Pump the function that host freezes and heats simultaneously.It realizes for a long time, low energy consumption ensures biochemical anaerobism, aerobic system constant temperature.
Wherein, the first temperature is 50~55 degree, is achieved in optimal COD level-one pretreating effects;
Second temperature is 25~30 degree, and aerobic strain can remove COD and realize that best processing is imitated under controlling at this temperature Fruit.
In one preferred embodiment, the high temperature anaerobic reaction system is by water inlet line (1), high temperature anaerobic strain Filler (2) is composed.Its major function is to allow enter anaerobic reaction system by pretreated high concentration COD industrial wastewater In, it is maintained at 50~55 degree of water temperature, realizes optimal COD level-one pretreating effects, COD is by original in this process procedure Macromolecular structure is small molecule structure by strain degradation, and efficient anaerobic degradation can provide good base for subsequent Aerobic Process for Treatment Plinth.Industrial wastewater after treatment is flowed by diversion pipe in anaerobic sludge settling system.
Operation principle:
Industrial wastewater energy-saving constant-temperature biochemical processing device is mainly used in the high concentration COD removal in Industrial Wastewater Treatment later stage Technique.The industrial wastewater of high concentration COD is flowed by water inlet line in high temperature anaerobic reaction system, by high temperature anaerobic reaction system Bottom start and high temperature anaerobic strain filler carry out degradation reaction.High temperature anaerobic reaction system is in constant temperature sludge recirculation system Under heat effect, it is maintained at 50~55 degree of water temperature, realizes optimal COD level-one pretreating effects, the COD in this process procedure By strain degradation it is small molecule structure by original macromolecular structure, efficient anaerobic degradation can provide for subsequent Aerobic Process for Treatment Good basis.Industrial wastewater after treatment is flowed by the first diversion pipe in anaerobic sludge settling system.Anaerobic sludge The main function of settling system is that sludge strain in anaerobic reaction system is avoided to flow into subsequent system with flow, to Influence the reproductive effect of anaerobic and aerobic strain.Therefore the industrial wastewater containing anaerobic species sludge is flowed by the first diversion pipe In anaerobic sludge settling system, anaerobic sludge strain realizes sedimentation separation under the operation of the first deposition sloped tube filler, most of Sludge will be deposited in the inclined-plane of anaerobic sludge settling system bottom.Industrial wastewater flows into aerobic reaction by the second diversion pipe In system.In this process procedure, aerobic strain sludge will fully react with industrial wastewater under room temperature aerator, Under the cooling effect to aerator of constant temperature sludge recirculation system, it is maintained at 25~30 degree of water temperature, under water temperature control Aerobic strain can remove COD and realize best treatment effect.Low-concentration industrial waste water after treatment is dirty with aerobic strain Mud enters by third diversion pipe in aerobic settling system.It is heavy that aerobic strain sludge will be realized under the operation of the second deposition sloped tube Drop separation, most sludge will be deposited in the inclined-plane of aerobic sludge settling system bottom.After the second deposition sloped tube Industrial wastewater has had been removed 95% or more COD, eventually passes through drainpipe and enters in subsequent processing device.
During above-mentioned biochemical processing process, constant temperature sludge recirculation system is to ensure that each process procedure can be realized The key of water temperature stability.Constant temperature sludge recirculation system mainly utilizes the function that low energy consumption heat pump main frame is freezed and heated simultaneously.It will Anaerobic sludge and aerobic sludge are accessed by independent reflux line, circulating pump in heat source exchanger, and the conventional heating of heat pump exists 70 degree hereinafter, in heat source exchanger heat exchange occurs for the two, to be warmed as 50~55 degree to anaerobic sludge realization, and to good Oxygen sludge can realize heat insulation function, can increase the adjustment of its temperature by temperature sensitive control device when environment temperature is relatively low, real Existing heat insulation effect.Meanwhile the required blast air of aerobic system is to belong to high-temperature gas, the gas does not pass through in common process Cross effective cooling, direct high-temperature blast air will generate the sludge of aerobic system impact, and with long-term aeration, Also the treatment temperature in aerobic system can be stepped up, the reaction effect of its biological inoculum is influenced.Therefore constant temperature sludge reflux system System also utilizes the refrigeration effect of its heat pump, and high-temperature blast air is reduced to normal temperature air, avoids the temperature to aerobic system While impact, the heat transfer effect of low energy consumption heat pump is also taken full advantage of.Realize for a long time, low energy consumption to biochemical anaerobism, good Oxygen system constant temperature ensures.By this equipment handle after, compared with traditional heating refrigeration equipment, efficiency save about 70% with On.
Above-mentioned detailed description is illustrating for one of the utility model practicable embodiment, which not uses To limit the Patent Law range of the utility model, all equivalence enforcements or change without departing from carried out by the utility model should all include In the scope of the claims of this case.

Claims (4)

1. industrial wastewater energy-saving constant-temperature biochemical processing device, anti-by high temperature anaerobic reaction system, anaerobic precipitation system, normal-temperature aerobic System, aerobic settling system, constant temperature sludge recirculation system composition are answered,
The high temperature anaerobic reaction system, which allows, to be entered by pretreated high concentration COD industrial wastewater in anaerobic reaction system, It is maintained at the water temperature of the first temperature;
The anaerobic precipitation system is used to avoid the sludge strain in anaerobic reaction system as flow flows into subsequent system, Anaerobic sludge strain realizes that sedimentation separation, most sludge will be deposited on anaerobic sludge and sink under the operation of deposition sloped tube filler In the inclined-plane of shallow lake system bottom, it is composed of the first diversion pipe (4), the first deposition sloped tube filler (5);
The normal-temperature aerobic reaction system is for allowing aerobic strain sludge that will fully be sent out with industrial wastewater under room temperature aerator Raw reaction, under the cooling effect to aerator of constant temperature sludge recirculation system, is maintained at the water temperature of second temperature, by second Diversion pipe (7), room temperature aerator (8) are composed;
The aerobic settling system is used to avoid the sludge strain in aerobic reaction system as flow flows into subsequent system, Aerobic strain sludge will realize that sedimentation separation, most sludge will be deposited on aerobic sludge precipitation under the operation of deposition sloped tube In the inclined-plane of system bottom, it is composed of third diversion pipe (10), the second deposition sloped tube filler (11), drainpipe (13);
The constant temperature sludge recirculation system is freezed simultaneously using low energy consumption heat pump main frame and the function of heating, by anaerobism drainpipe (3), anaerobic sludge return duct (6), aerobic drainpipe (9), aerobic sludge return duct (12), aerobic circulating pump (14), anaerobism are followed Ring pumps (15), air blower (16), heat source heat exchanger (17), low energy consumption heat pump main frame (18), low-temperature receiver heat exchanger (19), equipment supporter (20) it is composed.
2. industrial wastewater energy-saving constant-temperature biochemical processing device as described in claim 1, first temperature is 50~55 degree.
3. industrial wastewater energy-saving constant-temperature biochemical processing device as described in claim 1, the second temperature is 25~30 degree.
4. industrial wastewater energy-saving constant-temperature biochemical processing device as described in claim 1, the high temperature anaerobic reaction system by into Waterpipe (1), high temperature anaerobic strain filler (2) are composed.
CN201721589549.4U 2017-11-24 2017-11-24 Industrial wastewater energy-saving constant-temperature biochemical processing device Withdrawn - After Issue CN207608394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721589549.4U CN207608394U (en) 2017-11-24 2017-11-24 Industrial wastewater energy-saving constant-temperature biochemical processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721589549.4U CN207608394U (en) 2017-11-24 2017-11-24 Industrial wastewater energy-saving constant-temperature biochemical processing device

Publications (1)

Publication Number Publication Date
CN207608394U true CN207608394U (en) 2018-07-13

Family

ID=62796325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721589549.4U Withdrawn - After Issue CN207608394U (en) 2017-11-24 2017-11-24 Industrial wastewater energy-saving constant-temperature biochemical processing device

Country Status (1)

Country Link
CN (1) CN207608394U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107739096A (en) * 2017-11-24 2018-02-27 广州益方田园环保股份有限公司 Industrial wastewater energy-saving constant-temperature biochemical processing device
CN113149340A (en) * 2021-03-24 2021-07-23 白果科技股份公司 Device for thermal recycling of sewage treatment and implementation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107739096A (en) * 2017-11-24 2018-02-27 广州益方田园环保股份有限公司 Industrial wastewater energy-saving constant-temperature biochemical processing device
CN107739096B (en) * 2017-11-24 2023-10-03 广州益方田园环保股份有限公司 Energy-saving constant-temperature biochemical treatment equipment for industrial wastewater
CN113149340A (en) * 2021-03-24 2021-07-23 白果科技股份公司 Device for thermal recycling of sewage treatment and implementation method

Similar Documents

Publication Publication Date Title
CN103058336B (en) Direct-current electrolytic treatment process and equipment for circulating cooling water
CN104291529B (en) The apparatus and method of part denitrification-Anammox process high concentration nitrate waste water and municipal effluent
CN207608394U (en) Industrial wastewater energy-saving constant-temperature biochemical processing device
CN101659451A (en) Method for treating high-salt water by air stripping type membrane distillation
CN202400898U (en) Biochemical cooling device for waste leachate treatment system
CN103449591B (en) High-concentration ammonia nitrogen wastewater treatment device
CN101643699A (en) System for cultivating microalgae with waste water
CN104163549A (en) Treatment technique of batik dyeing wastewater
CN108088299A (en) Sewage treatment plant's Waste Heat Recovery utilizes cold operation method and system
CN204891253U (en) Evaporative concentration system of emulsion
CN107739096A (en) Industrial wastewater energy-saving constant-temperature biochemical processing device
CN212269569U (en) Be used for landfill leachate aerobic aeration pond energy-saving cooling device
CN105309377A (en) A seawater source heat pump ecological culture system
CN205662336U (en) High salt effluent disposal system based on triple -effect evaporator
CN201288083Y (en) Cooling water supply facility of crystal growing furnace
CN203200068U (en) Constant-temperature sewage treatment equipment of biochemical pool
CN205222808U (en) High -concentration sewage treatment device
CN208075621U (en) A kind of coal mine light concentration mash gas purification circulating heat exchange system
CN109928514A (en) Industrial waste resource heat/matter coupling cascade utilization and energy recovery integrated system
CN206375770U (en) A kind of steam stripping amino acid waste water preprocessing system of improvement
CN205328744U (en) Refrigerating unit is in cooling water treatment in dry season system
CN220550048U (en) MABR mechanism for low-temperature sewage
KR200382518Y1 (en) Air cooling system
CN205505151U (en) Sewage treatment and processing back sewage heat utilization system
CN104529084A (en) Industrial wastewater low-temperature anaerobic treatment device and treatment process thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20180713

Effective date of abandoning: 20231003

AV01 Patent right actively abandoned

Granted publication date: 20180713

Effective date of abandoning: 20231003