CN101549908A - High-efficiency beet sugar-manufacturing wastewater treatment system - Google Patents
High-efficiency beet sugar-manufacturing wastewater treatment system Download PDFInfo
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- CN101549908A CN101549908A CNA2009100265181A CN200910026518A CN101549908A CN 101549908 A CN101549908 A CN 101549908A CN A2009100265181 A CNA2009100265181 A CN A2009100265181A CN 200910026518 A CN200910026518 A CN 200910026518A CN 101549908 A CN101549908 A CN 101549908A
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- water
- baffled reactor
- anaerobic baffled
- baf
- beet sugar
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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
Abstract
The invention relates to a high-efficiency beet sugar-manufacturing wastewater treatment system. The system is characterized by comprising an anaerobic baffled reactor and a biological aerated filter, wherein the anaerobic baffled reactor comprises a plurality of reaction chambers which are separated by vertical deflectors and are communicated in series; an air and water mixing chamber is arranged at the bottom part of the biological aerated filter; a plurality of long handle filter heads are installed at the top part of the air and water mixing chamber; an aerator pipe is arranged above the long handle filter heads; a cushion layer and a filter material layer are arranged above the aerator pipe; a water outlet pipe and a backsurge water outlet pipe are arranged on the side wall of the biological aerated filter above the filter material layer; and the water outlet of the anaerobic baffled reactor is connected with the water inlet pipe of the biological aerated filter. The system adopts the combined processes of physicochemical process and biochemical process and leads the beet sugar-manufacturing wastewater after desanding-precipitating to get through the anaerobic baffled reactor and the biological aerated filter, thus causing the processed effluent quality to meet the primary standard of the integrated wastewater discharge standard (GB 8978-1996).
Description
Technical field
The present invention relates to a kind of sewage treatment equipment, specifically a kind of beet sugar manufacture sewage treatment equipment.
Background technology
The Beta chenopod has wild species and cultivar.Sugar beet is a mutation in the cultivar, and the common name beet is one of main raw material of sugar industry.More than 40 country's plantation beet arranged in the world, mainly be distributed in 30 °～63 ° of north latitude, total cultivated area is nearly more than 8,000,000 hectares, nearly 300,000,000 tons of gross annual output amount, and wherein about 80% originates in Europe.
China's beet essential species is implanted in north latitude more than 40 °, comprises northeast (Heilungkiang, Jilin, Liaoning), North China (Inner Mongol, Shanxi) and northwest (Xinjiang, Gansu, Ningxia) 3 big producing regions.Also there is a small amount of plantation in provinces such as Shandong, Jiangsu, Shaanxi, Hebei, and about 500,000 hectares of national cultivated area is wherein over half in Heilungkiang.
The beet sugar manufacture process comprises operations such as extraction of the juice, peace and quiet, evaporation, crystallization, purging, drying, and the waste water of beet-sugar factory can roughly be divided into three major types:
1. do not polluted substantially or slightly-polluted water, as water coolant, condensed water, water of condensation etc., wherein the BOD value is general all below 100mg/L;
2. intermediate pollution water send washing water as stream, and its BOD value is about 200mg/L;
3. serious pollution water, as the heavy muddy water of stream wash water, pulp press water, various rinse water, boiler blowdown water, ion-exchange waste water, laboratory sewage etc., its BOD value is in several thousand mg/litre, even up to more than 10000 mg/litre.
At present, separate treatment is generally adopted to the processing of this three classes waste water in external sugar refinery, to slight and intermediate pollution water, generally handling through materializations such as cooling, sedimentation, sterilizations is recyclable use, the factory that also has adopts self-purification or adopts aerobic mode to handle in the equipment of active sludge, recycles then.And, generally adopting artificial biochemical treatment abroad for serious pollution water, biochemical processing has entered the stage of maturity at present abroad, has obtained using widely in production reality.
The processing of domestic beet sugar manufacture waste water still is in the junior stage, as physical treatment process such as bio-disc system, filter press or adopting light and bacterium is main treatment process, waste water after these art breading of process still can't solve the problem of three height (COD height, BOD height, SS height), can not reach national specified discharge standard.
Summary of the invention
Purpose of the present invention is exactly at above-mentioned the deficiencies in the prior art, and a kind of processing efficiency height, technical construction simplicity of design are provided, and less investment is stable, the high-efficiency beet sugar-manufacturing wastewater treatment system that effluent quality is good.
The technical solution used in the present invention is as follows:
A kind of high-efficiency beet sugar-manufacturing wastewater treatment system, it is characterized in that it includes anaerobic baffled reactor and BAF is formed, the reaction chamber that a plurality of series connection that described anaerobic baffled reactor is separated by vertical flow deflector are communicated with constitutes, the reaction chamber that wherein is positioned at an end is provided with water-in, the reaction chamber that is positioned at the other end is provided with water outlet, is provided with the gas collection mouth at the top of each reaction chamber; The bottom of described BAF is the air water mixing section, water inlet pipe, backflushing water intake pipe and recoil tracheae all are communicated in the air water mixing section, a plurality of strainer heads are installed on the top of air water mixing section, the top of strainer head is provided with aeration tube, the aeration tube top is a bed course, the bed course top is a filter material layer, and the BAF sidewall that is positioned at the filter material layer top is provided with rising pipe and recoil rising pipe, and the water outlet of above-mentioned anaerobic baffled reactor connects the water inlet pipe of BAF.
The filtrate of filter material layer is spherical light ceramic in the described BAF.
Spacing in the described anaerobic baffled reactor between each vertical flow deflector is adjustable, and the one section plate body in its underpart bends to the water outlet direction.
Beneficial effect of the present invention has:
It is simple that anaerobic baffled reactor partly has technology, less investment, and working cost is low, and anti impulsion load, adaptability is strong, and is stable, good effect of separating solid from liquid, and effluent quality is good, characteristics such as flexible operation, and strong to toxic substance adaptability, have good biosolids interception capacity.It is little that BAF partly then has floor space, and the characteristics that initial cost is few need not to be provided with secondary sedimentation basins after BAF, can save the occupation of land and the investment of secondary sedimentation basins.BAF hydraulic load, volumetric loading are much higher than traditional waste water treatment process, and the residence time is short.The effluent quality height of BAF because filtrate itself is held back and the biological flocculation of surface biological film, makes water outlet SS very low, generally is no more than 10mg/L.The transmission efficiency of oxygen is very high in the BAF, and aeration rate is little, and the oxygen supply power consumption is low, and the utilising efficiency of oxygen can reach 20%～30%, and aeration rate is starkly lower than general biological treatment, and capacity of resisting impact load is strong, and is low temperature resistant.In addition, in case the success of biological aerated filter biofilm can move under 6～10 ℃ of water temperatures, and have good operating performance.Easy to be filmed starts fast.According to test run(s), BAF is when 10～15 ℃ of water temperatures, and 2～3 weeks can be finished the biofilm process.BAF can adopt modular construction, is convenient to later stage reconstruction, enlarging.
Description of drawings
Structural representation when Fig. 1 concentrates exhaust for anaerobic baffled reactor.
Structural representation when Fig. 2 is provided with collection chamber separately for anaerobic baffled reactor.
Fig. 3 is the structural representation of BAF of the present invention.
Fig. 4 is the structural texture synoptic diagram of existing UASB reaction.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
It is characteristics at beet-sugar factory waste water three height (COD height, BOD height, SS height) for the present invention, materialization and the biochemical combination process that combines have been adopted, will be through the beet sugar manufacture waste water of desanding-post precipitation successively by anaerobic baffled reactor and BAF, make effluent quality after the processing reach the primary standard of integrated wastewater discharge standard (GB8978-1996), be chemical oxygen demand (COD)≤100mg/L, five-day BOD (BOD
5)≤30mg/L, suspended substance (SS)≤70mg/L.
The anaerobic baffled reactor structure that anaerobic treatment of the present invention partly adopts as shown in Figure 1, 2, it is made of a plurality of placed in-line reaction chambers 1, separate by traverse baffle 5 between the adjacent reaction chamber 1, the compartment that forms several independences and communicate, cultivate the microflora that adapts with this compartment envrionment conditions so can in each compartment, tame, forming good population cooperates and good distributing along journey, avoided the too much repetition of the different population parabiosis width of cloth, thereby guaranteed that corresponding microorganism has best work activity mutually.The one section plate body in traverse baffle 5 bottoms is to the bending of water outlet direction, and apart from reaction chamber 1 bottom certain distance, stays sewage sludge mobile passage, has reduced the possibility that phenomenons such as obstruction and sludge bulking take place greatly, guarantees the long-time steady operation of system.Traverse baffle 5 distance each other is adjustable, the water conservancy diversion angle of their spacing and the bending of hypomere plate body will influence the flow direction of water and the admixture of sewage, therefore can regulate hydraulic detention time by the spacing of regulating traverse baffle 5 according to the difference of water quality, the water yield, make operation more flexible.One end reaction chamber of anaerobic baffled reactor is provided with water-in 2, the other end reaction chamber is then put water outlet 3, sewage enters anaerobic baffled reactor from water-in 2, under the effect of each traverse baffle, pass through the mud bed in each reaction chamber one by one, by the stirring action of current and aerogenesis, make that the substrate in the sewage fully contacts and the removal of being degraded with microorganism.With flow process alternation step by step, the rule of alternation is consistent with the degradation of substrates process coordinating mutually for microorganism in the anaerobic baffled reactor in each reaction chamber, thereby guarantees that corresponding microorganism has best work activity mutually.Because the barrier effect of traverse baffle and to the reasonable Arrangement (current are less relatively at upward flow chamber upflow velocity) of baffle(s) spacing for the sedimentation of mud with hold back the good condition of having created, thereby in anaerobic baffled reactor, held back a large amount of microorganisms, its microorganism concn reaches 50-70g/L.The top of reaction chamber is provided with gas collection mouth 4 in the anaerobic baffled reactor, is used for detecting the dynamic of observing response chamber, and the gas collection mouth can be arranged to concentrate exhaust or each reaction chamber correspondence is provided with the gas collection mouth separately, is convenient to study the dynamic of every reaction grid chamber.
Aerobic treatment of the present invention partly adopts BAF, and as shown in Figure 3, the bottom of BAF is an air water mixing section 6, and water inlet pipe 7, backflushing water intake pipe 8 and recoil tracheae 9 all are communicated in the air water mixing section 1.A plurality of strainer heads 10 are installed on the top of air water mixing section 1, and the top of strainer head 10 is provided with aeration tube 11.Aeration tube 11 tops are bed course 12, and bed course 12 tops are filter material layer 13, and the filtrate in the filter material layer 13 is spherical light ceramic.Its density is deposited on the bed course 12 naturally greater than water.Haydite has its excellent characteristic as a kind of bio-carrier, and its adopts clay is raw material, and adding suitable industrial chemicals is swelling agent, forms through high-temperature firing, apparent spherical in shape, has surface irregularity, series of advantages such as density is moderate, intensity is high, rub resistance.The pond body sidewall that is positioned at filter material layer 13 tops in the BAF is provided with rising pipe 14 and recoil rising pipe 15.
The general upward flow that adopts when BAF is moved among the present invention, water outlet 3 sewage that comes out enters air water mixing section 6 through the water inlet pipe 7 of BAF bottom from anaerobic baffled reactor, after strainer head 10 water distributions, enter filter material layer 13 by bed course 12, carry out the removal of BOD, COD, ammonia nitrogen, SS at this, the water after the processing flows out from rising pipe 14.During back flushing, gas, water enter air water mixing section 6 simultaneously from recoil tracheae 9 and recoil water pipe 8 respectively, enter filter material layer 13 behind strainer head 10 water distributions, gas, and the reflexive water pipe 15 of going out of back flushing water outlet passes back into preliminary sedimentation tank, merges with raw waste water and handles.BAF adopt the major cause of upward flow (air water concurrent) have following some: (1) concurrent can impel gas distribution, water distribution even; (2) if employing is following to stream, the SS that then holds back mainly concentrates on the top of filler.Working time one is long, the negative head phenomenon can occur in the filtrate, and then cause channel, adopts upward flow can avoid this point; (3) adopt upward flow, the SS that is trapped in the bottom can be brought into the filter material layer middle and upper part in the uphill process of bubble, strengthens the dirty rate of receiving of filtrate, has prolonged the back flushing meantime.
The undeclared part of other that the present invention relates to is same as the prior art.
Claims (3)
1, a kind of high-efficiency beet sugar-manufacturing wastewater treatment system, it is characterized in that it includes anaerobic baffled reactor and BAF is formed, the reaction chamber that a plurality of series connection that described anaerobic baffled reactor is separated by vertical flow deflector are communicated with constitutes, the reaction chamber that wherein is positioned at an end is provided with water-in, the reaction chamber that is positioned at the other end is provided with water outlet, is provided with the gas collection mouth at the top of each reaction chamber; The bottom of described BAF is the air water mixing section, water inlet pipe, backflushing water intake pipe and recoil tracheae all are communicated in the air water mixing section, a plurality of strainer heads are installed on the top of air water mixing section, the top of strainer head is provided with aeration tube, the aeration tube top is a bed course, the bed course top is a filter material layer, and the BAF sidewall that is positioned at the filter material layer top is provided with rising pipe and recoil rising pipe, and the water outlet of above-mentioned anaerobic baffled reactor connects the water inlet pipe of BAF.
2, high-efficiency beet sugar-manufacturing wastewater treatment system according to claim 1 is characterized in that the filtrate of filter material layer in the described BAF is spherical light ceramic.
3, high-efficiency beet sugar-manufacturing wastewater treatment system according to claim 1 and 2 it is characterized in that the spacing between each vertical flow deflector is adjustable in the described anaerobic baffled reactor, and the one section plate body in its underpart bends to the water outlet direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100265181A CN101549908B (en) | 2009-05-11 | 2009-05-11 | High-efficiency beet sugar-manufacturing wastewater treatment system |
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| CN2009100265181A CN101549908B (en) | 2009-05-11 | 2009-05-11 | High-efficiency beet sugar-manufacturing wastewater treatment system |
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| CN101549908A true CN101549908A (en) | 2009-10-07 |
| CN101549908B CN101549908B (en) | 2012-05-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491588A (en) * | 2011-12-06 | 2012-06-13 | 上海广联建设发展有限公司 | Method and device for sewage treatment |
| CN106277565A (en) * | 2016-08-08 | 2017-01-04 | 江苏蓝兴化工环保股份有限公司 | The processing means of a kind of sucralose waste water and using method |
| CN107512768A (en) * | 2017-09-05 | 2017-12-26 | 中盐工程技术研究院有限公司 | The purifier and method of a kind of breeding wastewater |
-
2009
- 2009-05-11 CN CN2009100265181A patent/CN101549908B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491588A (en) * | 2011-12-06 | 2012-06-13 | 上海广联建设发展有限公司 | Method and device for sewage treatment |
| CN106277565A (en) * | 2016-08-08 | 2017-01-04 | 江苏蓝兴化工环保股份有限公司 | The processing means of a kind of sucralose waste water and using method |
| CN107512768A (en) * | 2017-09-05 | 2017-12-26 | 中盐工程技术研究院有限公司 | The purifier and method of a kind of breeding wastewater |
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| CN101549908B (en) | 2012-05-02 |
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Owner name: JIANGSU JINSHAN ENVIRONMENTAL PROTECTION TECHNOLOG Free format text: FORMER OWNER: JIANGSU JINSHAN ENVIRONMENTAL PROTECTION ENGINEERING GROUP CO., LTD. Effective date: 20120606 |
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Effective date of registration: 20120606 Address after: 214212 Yixing Industrial Zone, Wan Zhen Town, Southern District, Jiangsu Patentee after: Jiangsu Jinshan Environmental Protection Technology Co.,Ltd. Address before: 214212, Jiangsu, Yixing Province Stone Town Industrial Park Patentee before: Jiangsu Jinshan Environmental Protection Engineering Group Co., Ltd. |