CN110845009A - Anaerobic and aerobic biochemical integrated device - Google Patents
Anaerobic and aerobic biochemical integrated device Download PDFInfo
- Publication number
- CN110845009A CN110845009A CN201911090718.3A CN201911090718A CN110845009A CN 110845009 A CN110845009 A CN 110845009A CN 201911090718 A CN201911090718 A CN 201911090718A CN 110845009 A CN110845009 A CN 110845009A
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- reaction zone
- biological reaction
- mixing chamber
- water
- water mixing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
Abstract
The invention discloses an anaerobic-aerobic biochemical integrated device which is characterized in that a water inlet at the bottom of the device is communicated with a first gas-water mixing chamber, the first gas-water mixing chamber is communicated with a front aerobic biological reaction zone, two sides of the upper part of the front aerobic biological reaction zone are shunted, runners at two sides are respectively provided with a separation net which is obliquely arranged, and a filler recovery zone is arranged between the front aerobic biological reaction zone and the separation nets at two sides; the outer side of the separation net is communicated with an anoxic biological reaction zone; an adjustable shunt assembly is arranged at a water outlet at the bottom of the anoxic biological reaction zone to control the water amount entering the first gas-water mixing chamber and the second gas-water mixing chamber; an aerator is arranged in the second air-water mixing chamber; the tail end of a flow passage of the second gas-water mixing chamber is communicated with the bottom of the rear aerobic biological reaction zone, an aerobic biological filler is arranged in the rear aerobic biological reaction zone, and the outer side of the upper part of the rear aerobic biological reaction zone is connected with a water outlet weir.
Description
Technical Field
The invention relates to an anaerobic and aerobic biochemical integrated device, which is particularly applied to multi-stage biochemical combined water treatment and belongs to the technical field of biochemical treatment of sewage and wastewater.
Background
Organic matters are one of the main pollutants causing water pollution at present, such as artificially synthesized compounds, fats, nitrogen-containing compounds and the like, and if the organic matters cannot be effectively removed in the water, the organic matters can greatly affect the surrounding ecological environment.
The biochemical water treatment is widely applied to the treatment of organic polluted water as a cheap and efficient water treatment means. However, the traditional distributed sewage treatment equipment needs a large amount of aeration and backflow, so that the electricity consumption of the equipment is high in the operation process, and meanwhile, the biological activity of a reaction system is low and the reaction efficiency is not high due to the low mixing degree of organic matters in a reaction area.
Disclosure of Invention
The invention aims to solve the technical problem of how to reduce the power consumption of operation and improve the reaction efficiency.
In order to solve the technical problem, the technical scheme of the invention provides an anaerobic-aerobic biochemical integrated device which is characterized by comprising a water inlet arranged at the bottom of the device, wherein the water inlet is communicated with a first air-water mixing chamber, and a water inlet guide plate and an aerator are arranged in the first air-water mixing chamber; the upper part of the first gas-water mixing chamber is communicated with a front aerobic biological reaction zone, aerobic biological fillers are arranged in the front aerobic biological reaction zone, the two sides of the upper part of the front aerobic biological reaction zone are divided, runners at the two sides are respectively provided with an obliquely arranged separation net, and a filler recovery zone is arranged between the front aerobic biological reaction zone and the separation nets at the two sides; the outer side of the separation net is communicated with an anoxic biological reaction zone, and anaerobic biological fillers are arranged in the anoxic biological reaction zone; an adjustable shunt assembly is arranged at a water outlet at the bottom of the anoxic biological reaction zone, is respectively communicated with the first gas-water mixing chamber and the second gas-water mixing chamber and controls the water amount entering the first gas-water mixing chamber and the second gas-water mixing chamber; an aerator is arranged in the second air-water mixing chamber; the tail end of a flow passage of the second gas-water mixing chamber is communicated with the bottom of the rear aerobic biological reaction zone, an aerobic biological filler is arranged in the rear aerobic biological reaction zone, and the outer side of the upper part of the rear aerobic biological reaction zone is connected with a water outlet weir.
Preferably, the inclination angle range of the separation net is more than 60 degrees and less than 90 degrees.
Preferably, adjustable reposition of redundant personnel subassembly include short flow hole and electronic adjustable guide plate, short flow hole intercommunication oxygen deficiency biological reaction district export with the good oxygen biological reaction district in back, electronic adjustable guide plate is through adjusting the water yield that oxygen deficiency biological reaction district goes out water flow direction control and gets into a gas-water mixing chamber and No. two gas-water mixing chambers.
Preferably, a sludge hopper for collecting excess sludge generated in the device is arranged below the device.
The invention has the beneficial effects that:
1. the water inlet and the water outlet of the anoxic biological reaction area are mixed by the gas-water mixing chamber, and the water backflow is realized, so that the use of a wastewater backflow pump is avoided while the reaction efficiency is improved;
2. by setting the aeration quantity, the complete fluidization state of the biological filler is realized, the contact area of the filler and water is increased, and the organic matter removal efficiency is increased by more than 20% compared with that of the traditional aerobic biochemical system;
3. the filler in the aerobic biological reaction zone is in a complete fluidization state, so that the material mixing degree is improved, and the reaction efficiency of the aerobic biological reaction zone is improved;
4. the separation net and the filler recovery area can intercept the filler to enable microbial colonies in the filler to keep living in an aerobic environment all the time, so that the biological activity of biological colonies is improved, and the rate of aerobic biochemical reaction is improved;
5. through adjustable reposition of redundant personnel subassembly, the adjustable anoxic biological reaction district goes out the proportion that water got into first air water mixing chamber and No. two air water mixing chambers, improves the efficiency of getting rid of ammonia nitrogen.
6. Through designing the pre-aerobic biological reaction zone and the post-aerobic biological reaction zone, organic matters in the wastewater can be subjected to multi-section deep treatment, and dominant strains are generated and enriched in different aerobic sections, so that the overall reaction efficiency of the reactor is improved.
7. Through the combined design of aerator, separation net and adjustable reposition of redundant personnel subassembly, realized the internal reflux of waste water, when saving the backwash pump, also can realize the regulation and control to the reflux ratio simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an anaerobic-aerobic biochemical integrated device provided in this embodiment.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
Examples
As shown in figure 1, the invention comprises a first air-water mixing chamber 1, inlet water enters from a water inlet at the bottom of the device, and a water inlet guide plate and an aerator 2 are arranged in the air-water mixing chamber. The inlet water is fully mixed with the air at the position and then enters the front aerobic biological reaction area 4 in the form of a gas-water mixture, and the initial kinetic energy of the gas-water mixture can ensure that the inlet water passes through the front aerobic biological reaction area 4 and reaches the top of the device.
The front aerobic biological reaction zone 4: the gas-water mixture enters the front aerobic biological reaction zone 4 from the gas-water mixing chamber, the aerobic biological filler is arranged in the front aerobic biological reaction zone 4, the aerobic biological filler can be in a fluidized state under the plug flow action of the gas-water mixture and is fully mixed with a gas-water system, the high-speed fluidized state can obtain higher mass transfer rate and oxygen utilization rate, and the high-speed fluidized state has a stripping effect, so that bacterial colonies in the filler keep high biological activity, and the high-efficiency implementation of biochemical reaction is ensured.
The reposition of redundant personnel of 4 upper portion both sides in preceding aerobic biological reaction district, both sides runner all are equipped with the separation net 5 that the slope was arranged, and oxygen deficiency life reaction district and preceding aerobic biological reaction district 4 are kept apart to separation net 5, and separation net 5 sets up the inclination and is 60 degrees, guarantees that aerobic biological filler can be intercepted here and automatic landing gets into inboard filler recovery district 3 under the action of gravity.
The filler recovery area 3 is positioned between the position of the front aerobic biological reaction area 4 and the position of the separation net 5, the biological filler which is intercepted from the separation net 5 and slides down enters the filler recovery area 3, and the filler recovery area 3 guides the aerobic biological filler to the first air-water mixing chamber 1 so that the biological filler is mixed with the air-water mixture again.
Anoxic biological reaction zone 6: the sewage passing through the separation net 5 enters an anoxic biological reaction zone 6, and nitrate generated by the front-stage nitration reaction can be efficiently converted into nitrogen at the anoxic biological reaction zone. The anaerobic biochemical reaction area is provided with high-density anaerobic biological filler, and the anaerobic biological filler is in an anaerobic environment, so that the denitrification rate can be improved to the maximum extent.
Adjustable reposition of redundant personnel subassembly 7: the control of 4 backward flow volumes in good oxygen biological reaction district before the oxygen deficiency biological reaction district 6 goes out water and realizes through adjustable reposition of redundant personnel subassembly 7, and adjustable reposition of redundant personnel subassembly 7 includes short discharge orifice and electronic adjustable guide plate, and 6 partly play water in oxygen deficiency biological reaction district gets into good oxygen biochemical reaction district after through short discharge orifice entering, and remaining play water is through adjustable guide plate regulation rivers direction to adjust the water yield that gets into in air water mixing chamber 1 and No. two air water mixing chambers 8.
A second gas-water mixing chamber 8: the water passing through the adjustable flow distribution component 7 enters a second air-water mixing chamber 8, an aerator 2 is arranged at the position, and the water and the air are fully mixed at the position, then rise and enter a rear aerobic biological reaction zone 9.
The post aerobic biological reaction zone 9: the mixture of No. two air water mixing chamber 8 can rise and get into back aerobic biological reaction district 9 because it has initial kinetic energy, and this department is provided with the aerobic biological filler of high density, can high-efficient degradation aquatic surplus organic pollutant, and the bacterial colony that contains a large amount of high biological activity is contained in this department's biological filler simultaneously, can carry out the decarbonization denitrogenation reaction by high efficiency, guarantees out water quality of water.
Sludge bucket 11: the sludge hopper 11 is arranged at the lower part of the integral device and is used for collecting residual sludge generated in the system and discharging the residual sludge periodically.
In order to verify the practical effect of the invention, COD is obtained after domestic sewage is collected and passes through the septic tank of the communitycrThe average concentration is less than 350mg/L, and the total nitrogen is less than 40 mg/L.
The COD of the effluent after the treatment by the device of the inventioncrThe total nitrogen is stabilized below 100mg/L and the total nitrogen is stabilized below 20 mg/L. Meanwhile, the device has good operation stability and COD (chemical oxygen demand) at temperature and water supplycrWhen the variation range is large, the conditions of sludge expansion or floating and the like do not occur, and various effluent indexes are very stable.
Claims (4)
1. An anaerobic-aerobic biochemical integrated device is characterized by comprising a water inlet arranged at the bottom of the device, wherein the water inlet is communicated with a first air-water mixing chamber, and a water inlet guide plate and an aerator are arranged in the first air-water mixing chamber; the upper part of the first gas-water mixing chamber is communicated with a front aerobic biological reaction zone, aerobic biological fillers are arranged in the front aerobic biological reaction zone, the two sides of the upper part of the front aerobic biological reaction zone are divided, runners at the two sides are respectively provided with an obliquely arranged separation net, and a filler recovery zone is arranged between the front aerobic biological reaction zone and the separation nets at the two sides; the outer side of the separation net is communicated with an anoxic biological reaction zone, and anaerobic biological fillers are arranged in the anoxic biological reaction zone; an adjustable shunt assembly is arranged at a water outlet at the bottom of the anoxic biological reaction zone, is respectively communicated with the first gas-water mixing chamber and the second gas-water mixing chamber and controls the water amount entering the first gas-water mixing chamber and the second gas-water mixing chamber; an aerator is arranged in the second air-water mixing chamber; the tail end of a flow passage of the second gas-water mixing chamber is communicated with the bottom of the rear aerobic biological reaction zone, an aerobic biological filler is arranged in the rear aerobic biological reaction zone, and the outer side of the upper part of the rear aerobic biological reaction zone is connected with a water outlet weir.
2. An anaerobic and aerobic biochemical integrated device according to claim 1, wherein the inclination angle of the separation net is 60 ° or more and less than 90 °.
3. The integrated anaerobic-aerobic-biochemical apparatus according to claim 1, wherein the adjustable diversion assembly comprises a short flow hole and an electrically adjustable diversion plate, the short flow hole connects the outlet of the anoxic biological reaction zone with the rear aerobic biological reaction zone, and the electrically adjustable diversion plate controls the amount of water entering the first air-water mixing chamber and the second air-water mixing chamber by adjusting the direction of the water flow of the anoxic biological reaction zone.
4. An anaerobic and aerobic biochemical integrated apparatus according to claim 1, wherein a sludge hopper for collecting excess sludge produced in the apparatus is provided below the apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911090718.3A CN110845009B (en) | 2019-11-09 | 2019-11-09 | Anoxic and aerobic biochemical integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911090718.3A CN110845009B (en) | 2019-11-09 | 2019-11-09 | Anoxic and aerobic biochemical integrated device |
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| Publication Number | Publication Date |
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| CN110845009A true CN110845009A (en) | 2020-02-28 |
| CN110845009B CN110845009B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911090718.3A Active CN110845009B (en) | 2019-11-09 | 2019-11-09 | Anoxic and aerobic biochemical integrated device |
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| CN208038245U (en) * | 2017-12-30 | 2018-11-02 | 湖南新九方科技有限公司 | A kind of centralized processing system of waste water of livestock poultry |
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| CN110372097A (en) * | 2019-08-12 | 2019-10-25 | 桂润环境科技股份有限公司 | A kind of energy-saving tower inner circulation reactor |
| CN211170062U (en) * | 2019-11-09 | 2020-08-04 | 上海电站辅机厂有限公司 | Anaerobic and aerobic biochemical integrated device |
-
2019
- 2019-11-09 CN CN201911090718.3A patent/CN110845009B/en active Active
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| JP2000279992A (en) * | 1999-03-31 | 2000-10-10 | Nkk Corp | Waste water treatment and apparatus therefor |
| CN201313854Y (en) * | 2008-09-25 | 2009-09-23 | 中国科学院广州地球化学研究所 | Hypoxia/aerobic integrated air lift circulation biological reactor |
| CN101844858A (en) * | 2010-06-17 | 2010-09-29 | 北京交通大学 | Aerobic-anoxic-anaerobic integrated module type sewage fast denitrogenation reactor and treatment method thereof |
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| CN110845009B (en) | 2023-08-01 |
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