CN108249563B - A circulating fluidized high-efficiency anaerobic reactor - Google Patents
A circulating fluidized high-efficiency anaerobic reactor Download PDFInfo
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- CN108249563B CN108249563B CN201611239723.2A CN201611239723A CN108249563B CN 108249563 B CN108249563 B CN 108249563B CN 201611239723 A CN201611239723 A CN 201611239723A CN 108249563 B CN108249563 B CN 108249563B
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- 239000010802 sludge Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005243 fluidization Methods 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 8
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 239000010865 sewage Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 4
- 239000005416 organic matter Substances 0.000 abstract description 4
- 239000010815 organic waste Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
- C02F3/2873—Particular arrangements for anaerobic reactors with internal draft tube circulation
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Treatment Of Sludge (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
一种循环流化高效厌氧反应器，其特征在于：包括进料口（1）、气液混合器（2）、布料器（3）、污泥悬浮区（4）、气体导流板（5）、提升管（6）、三相分离器（7）、填料区（8）、出气口（9）、出料口（10)、反应器主体（11）、沉降区（12）、气柜（13)、内循环流化区（14）、缓冲区（15）、气体阀门（16）、外循环出料口(17)、外循环管路（18）、进气口（19），可以通过进有机废水和外循环两种方式从进气口带入气体进行气液混合，射流进入反应器之后，通过气体上升力和水力冲力使污泥悬浮并达到内循环流化的状态，使微生物与污水中的有机物充分接触，提高反应器的降解效率，同时在不断的循环流动过程中洗刷污泥，快速培养出高效、结实的颗粒污泥，解决了强化传质与污泥流失的矛盾。
A circulating fluidized high-efficiency anaerobic reactor, characterized in that it includes a feed inlet (1), a gas-liquid mixer (2), a distributor (3), a sludge suspension area (4), and a gas deflector ( 5), riser (6), three-phase separator (7), packing area (8), gas outlet (9), material outlet (10), reactor main body (11), settling area (12), gas Cabinet (13), internal circulation fluidization zone (14), buffer zone (15), gas valve (16), external circulation outlet (17), external circulation pipeline (18), air inlet (19), The gas can be brought in from the air inlet for gas-liquid mixing in two ways: organic waste water and external circulation. After the jet enters the reactor, the sludge is suspended and fluidized by the internal circulation through the gas lift force and hydraulic momentum, so that Microorganisms fully contact with the organic matter in the sewage to improve the degradation efficiency of the reactor. At the same time, the sludge is washed during the continuous circulation process, and efficient and strong granular sludge is quickly cultivated, which solves the contradiction between enhanced mass transfer and sludge loss. .
Description
技术领域technical field
本发明是一种循环流化高效厌氧反应器，涉及厌氧生物反应器领域。The invention relates to a circulating fluidized high-efficiency anaerobic reactor, which relates to the field of anaerobic bioreactors.
背景技术Background technique
水资源短缺是21世纪人类面临的最严峻的资源问题之一，中水回用是水资源再生的重要手段之一，与海水淡化、跨流域调水相比，中水成本最低，并且污水再生利用有助于改善生态环境，实现水生态的良性循环。我国水资源严重短缺并且分布不均、水污染问题严重，因此，大力推进污水与废水的再生利用技术是必由之路。目前污水废水处理多采用生物法，其中，厌氧生物技术因其具有产能的特点，应用前景广阔。The shortage of water resources is one of the most serious resource problems faced by human beings in the 21st century. The reuse of reclaimed water is one of the important means of water resource regeneration. Compared with seawater desalination and inter-basin water transfer, the cost of reclaimed water is the lowest, and sewage regeneration Utilization helps to improve the ecological environment and realize a virtuous circle of water ecology. my country's water resources are seriously short and unevenly distributed, and the water pollution problem is serious. Therefore, it is the only way to vigorously promote the recycling technology of sewage and wastewater. At present, biological methods are mostly used for sewage and wastewater treatment. Among them, anaerobic biological technology has broad application prospects because of its high production capacity.
目前，在国内外用在有机污水处理上最常见的高效厌氧反应器主要有上流式污泥床、厌氧颗粒污泥膨胀床、内循环厌氧反应器等，但是现有的高效反应器是基于厌氧颗粒污泥的前提下才能发挥最大效率，而且厌氧颗粒污泥驯化时间较长，实际应用局限性较大。At present, the most common high-efficiency anaerobic reactors used in organic sewage treatment at home and abroad mainly include upflow sludge bed, anaerobic granular sludge expanded bed, internal circulation anaerobic reactor, etc., but the existing high-efficiency reactors are The maximum efficiency can only be achieved based on the premise of anaerobic granular sludge, and the domestication time of anaerobic granular sludge is long, and the practical application limitations are relatively large.
发明内容Contents of the invention
本发明主要针对上述问题，提供了一种循环流化高效厌氧反应器，主要是通过内循环让污泥呈流化状态，使微生物与污水中的有机物充分接触，提高反应器的降解效率，同时在不断的循环流动过程中洗刷污泥，快速培养出高效、结实的颗粒污泥，解决了强化传质与污泥流失的矛盾。The present invention mainly aims at the above problems, and provides a circulating fluidized high-efficiency anaerobic reactor, mainly through the internal circulation to make the sludge in a fluidized state, so that the microorganisms can fully contact with the organic matter in the sewage, and improve the degradation efficiency of the reactor. At the same time, the sludge is washed during the continuous circulation process, and efficient and firm granular sludge is quickly cultivated, which solves the contradiction between enhanced mass transfer and sludge loss.
为实现上述目的，本发明采取下述技术方案：To achieve the above object, the present invention takes the following technical solutions:
一种循环流化高效厌氧反应器，其包括进料口（1）、气液混合器（2）、布料器（3）、污泥悬浮区（4）、气体导流板（5）、提升管（6）、三相分离器（7）、填料区（8）、出气口（9）、出料口（10)、反应器主体（11）、沉降区（12）、气柜（13)、内循环流化区（14）、缓冲区（15）、气体阀门（16）、外循环出料口(17)、外循环管路（18）、进气口（19），反应器主体（11）下到上依次设置为进料口（1）、布料器（3）、污泥悬浮区（4）、内循环流化区（14）、缓冲区（15）、三相分离器（7）、填料区（8）。A circulating fluidized high-efficiency anaerobic reactor, which includes a feed inlet (1), a gas-liquid mixer (2), a distributor (3), a sludge suspension area (4), a gas deflector (5), Riser (6), three-phase separator (7), packing area (8), gas outlet (9), material outlet (10), reactor main body (11), settling area (12), gas cabinet (13 ), internal circulation fluidization zone (14), buffer zone (15), gas valve (16), external circulation outlet (17), external circulation pipeline (18), air inlet (19), reactor main body (11) From bottom to top, the feed inlet (1), distributor (3), sludge suspension area (4), internal circulation fluidization area (14), buffer zone (15), three-phase separator ( 7), packing area (8).
所述的一种循环流化高效厌氧反应器进一步是进料口（1）安装有气液混合器（2）。The circulating fluidized high-efficiency anaerobic reactor further includes a gas-liquid mixer (2) installed at the feed port (1).
所述的一种循环流化高效厌氧反应器进一步是气液混合器（2）上设置有气体阀门（16）和进气口（19）。The circulating fluidized high-efficiency anaerobic reactor is further provided with a gas valve (16) and an air inlet (19) on the gas-liquid mixer (2).
所述的一种循环流化高效厌氧反应器进一步是内循环流化区（14）设置有提升管（6）和沉降区（12），而且可以设置多个提升管（6）和沉降区（12）并联。Said circulating fluidized high-efficiency anaerobic reactor is further provided with a riser (6) and a settling zone (12) in the internal circulating fluidized zone (14), and multiple risers (6) and settling zones can be set (12) Parallel connection.
所述的一种循环流化高效厌氧反应器进一步是反应器主体（11）设置有外循环管路（18）。Said circulating fluidized high-efficiency anaerobic reactor is further characterized in that the reactor main body (11) is provided with an external circulation pipeline (18).
所述的一种循环流化高效厌氧反应器进一步是出料口（10)高于外循环出料口(17)。The described a kind of circulating fluidized high-efficiency anaerobic reactor is further that the discharge port (10) is higher than the external circulation discharge port (17).
本发明产生的有效益效果有：可以通过进有机废水和外循环两种方式从进气口带入气体进行气液混合，射流进入反应器之后，通过气体上升力和水力冲力使污泥悬浮并达到内循环流化的状态，使微生物与污水中的有机物充分接触，提高反应器的降解效率，同时在不断的循环流动过程中洗刷污泥，快速培养出高效、结实的颗粒污泥，解决了强化传质与污泥流失的矛盾。The beneficial effects produced by the present invention are as follows: the gas can be brought in from the air inlet for gas-liquid mixing through two ways of feeding organic waste water and external circulation; Reach the state of internal circulation fluidization, make the microorganisms fully contact with the organic matter in the sewage, improve the degradation efficiency of the reactor, and at the same time wash the sludge during the continuous circulation process, quickly cultivate efficient and strong granular sludge, and solve the problem Strengthen the contradiction between mass transfer and sludge loss.
附图说明Description of drawings
图1是本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
符号说明：Symbol Description:
进料口、2.气液混合器、3.布液器、4.污泥悬浮区、5.气体导流板、6提升管、7.三相分离器、8.填料区、9.出气口、10.出料口、11.反应器主体、12.沉降区、13.气柜、14.内循环流化区、15.缓冲区、16.气体阀门、17.外循环出料口、18.外循环管路、19.进气口。Feed inlet, 2. Gas-liquid mixer, 3. Liquid distributor, 4. Sludge suspension area, 5. Gas deflector, 6 Riser, 7. Three-phase separator, 8. Packing area, 9. Outlet Gas port, 10. Discharge port, 11. Reactor body, 12. Settling area, 13. Gas cabinet, 14. Internal circulation fluidization zone, 15. Buffer zone, 16. Gas valve, 17. External circulation discharge port, 18. External circulation pipeline, 19. Air inlet.
具体实施方式Detailed ways
下面结合附图和实例对本发明作进一步说明：Below in conjunction with accompanying drawing and example the present invention will be further described:
如下图1所示，一种循环流化高效厌氧反应器，其包括进料口（1）、气液混合器（2）、布料器（3）、污泥悬浮区（4）、气体导流板（5）、提升管（6）、三相分离器（7）、填料区（8）、出气口（9）、出料口（10)、反应器主体（11）、沉降区（12）、气柜（13)、内循环流化区（14）、缓冲区（15）、气体阀门（16）、外循环出料口(17)、外循环管路（18）、进气口（19），反应器主体（11）下到上依次设置为进料口（1）、布料器（3）、污泥悬浮区（4）、内循环流化区（14）、缓冲区（15）、三相分离器（7）、填料区（8）。As shown in Figure 1 below, a circulating fluidized high-efficiency anaerobic reactor includes a feed inlet (1), a gas-liquid mixer (2), a distributor (3), a sludge suspension area (4), a gas guide Flow plate (5), riser (6), three-phase separator (7), packing area (8), gas outlet (9), material outlet (10), reactor main body (11), settling area (12 ), gas cabinet (13), internal circulation fluidization zone (14), buffer zone (15), gas valve (16), external circulation outlet (17), external circulation pipeline (18), air inlet ( 19), the main body of the reactor (11) is sequentially set up as the feed inlet (1), the distributor (3), the sludge suspension area (4), the internal circulation fluidization area (14), and the buffer zone (15) , three-phase separator (7), packing area (8).
优选地，进料口（1）安装有气液混合器（2）。Preferably, the feed port (1) is equipped with a gas-liquid mixer (2).
优选地，气液混合器（2）上设置有气体阀门（16）和进气口（19）。Preferably, the gas-liquid mixer (2) is provided with a gas valve (16) and an air inlet (19).
优选地，内循环流化区（14）设置有提升管（6）和沉降区（12），而且可以设置多个提升管（6）和沉降区（12）并联。Preferably, the internal circulation fluidized zone (14) is provided with a riser (6) and a settling zone (12), and multiple risers (6) and settling zones (12) can be arranged in parallel.
优选地，反应器主体（11）设置有外循环管路（18）。Preferably, the reactor main body (11) is provided with an external circulation pipeline (18).
优选地，出料口（10)高于外循环出料口(17)。Preferably, the discharge port (10) is higher than the external circulation discharge port (17).
本发明可以通过进有机废水和外循环两种方式从进气口带入气体进行气液混合，射流进入反应器之后，通过气体上升力和水力冲力使污泥悬浮并达到内循环流化的状态，使微生物与污水中的有机物充分接触，提高反应器的降解效率，同时在不断的循环流动过程中洗刷污泥，快速培养出高效、结实的颗粒污泥，解决了强化传质与污泥流失的矛盾。In the present invention, gas can be brought in from the air inlet for gas-liquid mixing through two ways of organic waste water intake and external circulation. After the jet enters the reactor, the sludge is suspended by the gas lift force and hydraulic momentum and reaches the state of internal circulation fluidization. , make the microorganisms fully contact with the organic matter in the sewage, improve the degradation efficiency of the reactor, and at the same time wash the sludge in the process of continuous circulation, quickly cultivate efficient and strong granular sludge, and solve the problem of enhanced mass transfer and sludge loss contradiction.
上面以举例的方式对本发明进行了说明，但本发明不限于上述具体实施例，凡基于本发明所做的任何改动或变型均属于本发明要求保护的范围。The present invention has been described above by way of examples, but the present invention is not limited to the above-mentioned specific embodiments, and any changes or variations made based on the present invention fall within the scope of protection of the present invention.
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| CN116199333B (en) * | 2023-02-24 | 2025-10-03 | 上海华电电力发展有限公司望亭发电分公司 | A sewage anaerobic treatment method with enhanced internal circulation |
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| CN201031174Y (en) * | 2007-05-21 | 2008-03-05 | 中国地质大学（武汉） | A Three-phase Biological Fluidized Bed with Internal Circulation and Strengthening Inclined Plates |
| CN101708893A (en) * | 2009-07-17 | 2010-05-19 | 北京市环境保护科学研究院 | Anaerobic circulating granular sludge suspended-bed reactor and method for synchronously decarbonizing and denitrifying |
| CN203373198U (en) * | 2013-06-04 | 2014-01-01 | 深圳市地大东江环境研究院 | Intelligent low-energy-consumption type three-dimensional ecological inner circulation nitrification device |
| CN203683215U (en) * | 2013-10-18 | 2014-07-02 | 东华大学 | Reinforced-circulation efficient anaerobic bioreactor applicable to dyeing wastewater treatment |
| CN205472931U (en) * | 2016-01-20 | 2016-08-17 | 云南师范大学 | Novel inflation granular sludge bed anaerobic reactor |
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