CN103435162B - A kind of method of anaerobic-aerobic combination process process organic waste water - Google Patents
A kind of method of anaerobic-aerobic combination process process organic waste water Download PDFInfo
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- CN103435162B CN103435162B CN201310399018.9A CN201310399018A CN103435162B CN 103435162 B CN103435162 B CN 103435162B CN 201310399018 A CN201310399018 A CN 201310399018A CN 103435162 B CN103435162 B CN 103435162B
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Abstract
The present invention proposes a kind of method of anaerobic-aerobic combined treatment organic waste water, comprises the following steps: a, be incorporated in anaerobic reactor by organic waste water, and carries out preheating to organic waste water, then stops preheating; B, carry out anaerobic reaction, and the waste water after anaerobic reaction is incorporated into intermediate pool; C, carry out cooling process, and by transfer of heat unnecessary in temperature-fall period in anaerobic reactor in intermediate pool through the waste water of anaerobic reaction process; D, the waste water in intermediate pool is incorporated in aerobic reactor and carries out aerobic reaction.The present invention is by setting up intermediate pool, by heat pump, the organic waste water through anaerobic reaction art breading is lowered the temperature, and by heat pump, the heat absorbed in its temperature-fall period is turned back in anaerobic reactor simultaneously, eliminate in anaerobic reaction and improve organic waste water temperature and the energy needed, compared with prior art, save the energy, meet the reaction conditions of next step technique aerobic reaction technique simultaneously.
Description
Technical field
The present invention relates to a kind of method for the treatment of of Organic Wastewater, be specifically related to a kind of method of anaerobic-aerobic combination process process organic waste water.
Background technology
Biological Treatment of High Strength Organic Wastewater turns to anaerobism by the single anaerobic process of tradition, aerobic method in recent years---aerobic combination treatment method, as anaerobism,---aerobic method A/O method, anaerobism---anoxic---aerobic method etc. complete the biological treatment to high concentrated organic wastewater by employing multiple combination treatment process.Thus, CN100484891C discloses a kind of organic waste water anaerobism---disclosed in aerobic circular integration bioremediation and system, CN1413926, one utilizes microbiological anaerobic---aerobic and be satiated with food---sewage treatment process that the aerobic-anaerobic of hungry double stimuli or micro-oxygen absorb fast and system etc., all innovate anaerobic-aerobic treatment process.Organic waste water anaerobic treatment process is generally divided into normal temperature, middle temperature, high temperature three kinds, because mesophilic microorganism species is many, and be easy to cultivate domestication, active high, therefore Application comparison is extensive, and anaerobism water inlet and aerobic treatment process temperature are lower than anaeration in normal temperature treatment process temperature, when carrying out the process of anaerobic-aerobic combination process to organic waste water, need to heat organic waste water in the anaerobic reaction stage, and the organic waste water after anaeration in normal temperature process needs to lower the temperature when carrying out aerobic process process, in actual production process otherwise complex process equipment and need consume a large amount of energy temperature adjustment is carried out to organic waste water, the inefficiency of process organic waste water.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, the present invention proposes a kind of method of anaerobic-aerobic combined treatment organic waste water, comprises the following steps:
A, organic waste water to be incorporated in anaerobic reactor, and preheating is carried out to organic waste water, then stop preheating;
B, in anaerobic reactor, carry out anaerobic reaction, and the waste water after anaerobic reaction process is incorporated into intermediate pool;
C, the organic waste water in intermediate pool after anaerobic reaction process carried out to cooling process, and by transfer of heat unnecessary in temperature-fall period to anaerobic reactor to the organic waste water heating in anaerobic reactor;
D, be incorporated in aerobic reactor by intermediate pool carry out aerobic reaction through the waste water of cooling process.
Further, when preheating, stop preheating when temperature reaches 32 ° to 38 °.
Further, described cooling process by transfer of heat unnecessary in temperature-fall period to anaerobic reactor to the method for the organic waste water heating in anaerobic reactor is also, heat pump is utilized to carry out lowering the temperature and transfer of heat, particularly: utilize heat pump thermal medium to be compressed into liquid feeding and be arranged in the heat exchanger of intermediate pool, the heat that liquid heat medium absorbs organic waste water in intermediate pool is gasificated into high-temperature gas, high-temperature gas thermal medium is fed in the scatterer be arranged in anaerobic reactor through pipeline, thermal exchange is carried out with the low temperature organic waste water in anaerobic reactor, low temperature organic waste water is heated, thus complete transfer of heat process.
Further, the temperature being incorporated into the organic waste water in aerobic reactor is 16 ° to 20 °.
Being 32 ° to 38 ° by the preferred temperature of anaeration in normal temperature reaction process process organic waste water, is 16 ° to 20 ° by the preferred temperature of aerobic reaction process process organic waste water.Therefore, when through anaerobic reaction, aerobic reaction combined treatment organic waste water, good efficiency can just be obtained to shorten the treatment process time from carrying out aerobic reaction technique again after anaerobic reaction technique organic waste water out needs to do cooling process.The present invention make use of the temperature head of anaerobic reaction preferred temperature, aerobic reaction preferred temperature admirably, by setting up intermediate pool, by heat pump, the organic waste water through anaerobic reaction art breading is lowered the temperature, and by heat pump, the heat absorbed in its temperature-fall period is turned back in anaerobic reactor simultaneously, eliminate in anaerobic reaction and organic waste water temperature is improved and the energy of needs, compared with prior art, save the energy widely, meet the reaction conditions of next step technique aerobic reaction technique simultaneously, improve the processing efficiency of organic waste water.
Accompanying drawing explanation
Fig. 1 is the structural representation in front of the present invention;
Wherein, 1, anaerobic reactor; 11, water-in one; 12, water outlet one; 13, sewage draining exit one; 14, preheating apparatus; 2, intermediate pool; 21, water-in two; 22, water outlet two; 23, sewage draining exit two; 3, aerobic reactor; 31, water-in three; 32, water outlet three; 33, sewage draining exit three; 41, heat pump; 42, heat absorber; 43, scatterer.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, particular case above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1, embodiments of the invention are described.
As a kind of anaerobic-aerobic combined treatment organic waste water device of Fig. 1, comprise anaerobic reactor 1, aerobic reactor 3, it is characterized in that: also comprise intermediate pool 2, heat exchange system; Described heat exchange system comprises heat pump 41, heat absorber 42, scatterer 43; Described intermediate pool 2 one end is connected with anaerobic reactor 1, and the other end is connected with described aerobic reactor 3; Described heat pump 41 one end is connected with heat absorber 42, and the other end is connected with described scatterer 43; Described heat absorber 42 is arranged in described intermediate pool 2, and described scatterer 43 is arranged in described anaerobic reactor 1.Also comprise preheating apparatus 14, described preheating apparatus 14 is arranged in described anaerobic reactor 1.Described anaerobic reactor 1 is provided with water-in 1, water outlet 1; Described intermediate pool 2 is provided with water-in 2 21, water outlet 2 22; Described aerobic reactor 3 is provided with water-in 3 31, water outlet 3 32; The position height of described water-in 1, described water outlet 1, described water-in 2 21, water outlet 2 22, described water-in 3 31, water outlet 3 32 is successively decreased successively; Be provided with sewage draining exit 1 bottom described anaerobic reactor 1, bottom described intermediate pool 2, be provided with sewage draining exit 2 23, bottom described aerobic reactor 3, be provided with sewage draining exit 3 33.
Use above-mentioned anaerobic-aerobic combined treatment organic waste water device to carry out the method for anaerobic-aerobic combined treatment organic waste water, comprise the following steps:
A, organic waste water to be incorporated in anaerobic reactor, and preheating is carried out to organic waste water, stop preheating when preheating temperature reaches arbitrary temperature value between 32 ° to 38 °;
B, in anaerobic reactor, carry out anaerobic reaction, and the waste water after anaerobic reaction process is incorporated into intermediate pool;
C, utilize the thermal medium in heat pump heat absorber in intermediate pool, absorb heat through the waste water of anaerobic reaction process in intermediate pool, then release heat by the scatterer of thermal medium in anaerobic reactor.In this step, thermal medium is compressed into liquid feeding and is arranged in the heat exchanger of intermediate pool by heat pump, the heat that liquid heat medium absorbs organic waste water in intermediate pool is gasificated into high-temperature gas, high-temperature gas thermal medium is fed in the scatterer be arranged in anaerobic reactor through pipeline, thermal exchange is carried out with the low temperature organic waste water in anaerobic reactor, to the heating of low temperature organic waste water, thus complete transfer of heat process.
D, be incorporated in aerobic reactor by intermediate pool carry out aerobic reaction through the waste water of cooling process.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (1)
1. a method for anaerobic-aerobic combined treatment organic waste water, comprises the following steps:
A, organic waste water to be incorporated in anaerobic reactor, and 38 ° are preheating to organic waste water, then stop preheating;
B, in anaerobic reactor, carry out anaerobic reaction, and the waste water after anaerobic reaction process is incorporated into intermediate pool;
C, the organic waste water in intermediate pool after anaerobic reaction process carried out to cooling process, and by transfer of heat unnecessary in temperature-fall period to anaerobic reactor, the organic waste water in anaerobic reactor is heated, described cooling processes and is utilize heat pump to carry out lowering the temperature and transfer of heat by the method heated the organic waste water in anaerobic reactor in transfer of heat unnecessary in temperature-fall period to anaerobic reactor;
D, when in intermediate pool through cooling process waste water reach 20 ° time, be introduced in aerobic reactor and carry out aerobic reaction;
Particularly: utilize heat pump thermal medium to be compressed into liquid feeding and be arranged in the heat absorber (42) of intermediate pool, described heat pump comprises heat pump (41), heat absorber (42), scatterer (43); Described intermediate pool (2) one end is connected with anaerobic reactor (1), and the other end is connected with described aerobic reactor (3); Described heat pump (41) one end is connected with heat absorber (42), and the other end is connected with described scatterer (43); Described heat absorber (42) is arranged in described intermediate pool (2), and described scatterer (43) is arranged in described anaerobic reactor (1); The heat that liquid heat medium absorbs organic waste water in intermediate pool is gasificated into high-temperature gas, high-temperature gas thermal medium is fed in the scatterer be arranged in anaerobic reactor through pipeline, carry out thermal exchange with the low temperature organic waste water in anaerobic reactor, low temperature organic waste water is heated.
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| CN104556375A (en) * | 2014-12-01 | 2015-04-29 | 江门天诚溶剂制品有限公司 | Method for improving sewage treatment efficiency by aerobic tank cooling |
| CN111185460B (en) * | 2020-01-06 | 2021-09-24 | 杰瑞邦达环保科技有限公司 | Resource utilization process for organic hazardous waste |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202322829U (en) * | 2011-11-21 | 2012-07-11 | 云南昆船第二机械有限公司 | Circularly-heating insulation system of high-temperature dry type anaerobic fermentation device |
| CN202430093U (en) * | 2011-12-29 | 2012-09-12 | 广州市市政工程设计研究院 | Energy-recycled denitrification and decarbonization coupled sewage treatment equipment |
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| JP2008173614A (en) * | 2007-01-22 | 2008-07-31 | Asahi Breweries Ltd | Wastewater treatment method and apparatus |
| KR20110045812A (en) * | 2009-10-28 | 2011-05-04 | (주)그린니스 | Apparatus and method for removing nitrogen from anaerobic digested waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202322829U (en) * | 2011-11-21 | 2012-07-11 | 云南昆船第二机械有限公司 | Circularly-heating insulation system of high-temperature dry type anaerobic fermentation device |
| CN202430093U (en) * | 2011-12-29 | 2012-09-12 | 广州市市政工程设计研究院 | Energy-recycled denitrification and decarbonization coupled sewage treatment equipment |
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