CN105174647A - BioDopp biochemical reactor of embedded rectangular sedimentation tank - Google Patents
BioDopp biochemical reactor of embedded rectangular sedimentation tank Download PDFInfo
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- CN105174647A CN105174647A CN201510658234.XA CN201510658234A CN105174647A CN 105174647 A CN105174647 A CN 105174647A CN 201510658234 A CN201510658234 A CN 201510658234A CN 105174647 A CN105174647 A CN 105174647A
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Abstract
The invention provides a BioDopp biochemical reactor of an embedded rectangular sedimentation tank. The BioDopp biochemical reactor is composed of an anaerobic area, an anoxic area, an aerobic area and the rectangular sedimentation tank. An air lift pusher provides power for a mud and water mixture in all the functional areas to circularly flow, and the integrated biochemical reactor is formed. The rectangular sedimentation tank where feed and discharge are conducted at the same time is adopted as the rectangular sedimentation tank and arranged above the anoxic area. Compared with an existing BioDopp biochemical reactor, the BioDopp biochemical reactor has the advantage that an existing mud and water separation device where materials are fed through an inclined tube or an inclined plate is replaced with the rectangular sedimentation tank, and therefore the problems that the existing mud and water separation device is prone to blockage, requires a backwash device, is complex in civil structure, large in investment and the like are solved.
Description
Technical field
The present invention relates to a kind of BioDopp biochemical reactor of embedded rectangle sedimentation tank, belong to water treatment field.
Background technology
BioDopp biochemical reactor is the novel waste disposal plant of one of German EBV company doctor Engelbart invention, it is by each simple function unit (biological nitration, denitrification, release phosphorus, inhale phosphorus, multiple unit such as oxidation operation, precipitation) be combined in a rectangle form pool, and adopt low dissolved axygen (being generally 0.3 ~ 0.8mg/L) to realize longitudinal synchronous nitration/denitrification denitrogenation, high sludge concentration (usual 5 ~ 8g/L) guarantees process high-efficiency continuous stable (low dissolved oxygen and high sludge concentration are the large characteristics of its technique two).BioDopp biochemical reactor more existing conventional biochemical reactor has following advantage: simple to operate; Under low dissolved oxygen, high-efficiency biological denitrification and good phosphor-removing effect, realize synchronous nitration/denitrification denitrogenation with pond; Run efficient, lasting, stable water outlet; Low mud output, the comparable traditional technology of excess sludge few 40 ~ 60%; Maintenance workload is little; Floor space is little, and use rectangle pond to save a large amount of soil, sewage work only needs a conventional sewage plants half area; Greatly reduce pipeline investment, investment is low with running cost, about investment, running cost can reduce half.Thus paid attention in sewage disposal and promoted.
Typical case BioDopp biochemical reactor adopts built-in device for separating mud and water, is provided with the combined stuffing of swash plate and inclined tube, is separated muddy water in device for separating mud and water.Adopt combined stuffing can obtain larger surface load, not by the impact of sludge loading.But swash plate and inclined tube combined stuffing very easily block in actual moving process, directly affect mud-water separation effect, need to adopt the means of regular backwash to ensure its operating performance, backwashing system is comparatively complicated, and can affect outlet effect during backwash; Swash plate and inclined tube are PP or PE material, and intensity is general, not UV resistant, and work-ing life is 3 ~ 5 years, and change maintenance comparatively difficulty; Adopt inclined tube and swash plate combined stuffing, civil engineering structure is comparatively complicated, and construction cost is larger; Swash plate and inclined tube combined stuffing expensive, invest larger.
Summary of the invention
Main purpose of the present invention is the BioDopp biochemical reactor providing a kind of embedded rectangle sedimentation tank, rectangle sedimentation tank is adopted to replace the device for separating mud and water being provided with swash plate and inclined tube filler in typical BioDopp biochemical reactor, easily block to solve typical BioDopp biochemical reactor device for separating mud and water, need back washing device, civil engineering structure is complicated, invests the problems such as larger.
The BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank involved in the present invention is made up of anaerobic zone, oxygen-starved area, aerobic zone and rectangle sedimentation tank; Anaerobic zone is communicated with oxygen-starved area, and oxygen-starved area is communicated with aerobic zone, and aerobic zone is communicated with anaerobic zone, and rectangle sedimentation tank is arranged on above oxygen-starved area.
Further, rectangle sedimentation tank adopts while the rectangle sedimentation tank that goes out, and rectangle sedimentation tank available depth is 3 ~ 6m, and width is 6 ~ 18m, and oxygen-starved area virtual height is 2 ~ 4m, width and rectangle sedimentation tank wide.
Further, a kind of BioDopp biochemical reactor of embedded rectangle sedimentation tank also comprises rectangle sedimentation tank inlet flume, rectangle sedimentation tank effluent trough and mud-collecting slot; Rectangle sedimentation tank inlet flume and rectangle sedimentation tank effluent trough are arranged on the side of rectangle sedimentation tank, and mud-collecting slot is arranged on rectangle sedimentation tank opposite side, and mud-collecting slot one end is communicated with inlet flume, and the other end is connected with shore pipe.
Further, rectangle sedimentation tank adopts reciprocating suction mud scraper or chain slat type mud scraper or fluid pressure type mud scraper, and the mud of collection is sent by pumping to mud-collecting slot.
Further, a kind of BioDopp biochemical reactor of embedded rectangle sedimentation tank also comprises air lifting pushing implement, and air lifting pushing implement is arranged between oxygen-starved area and aerobic zone, and air lifting pushing implement is all communicated with aerobic zone with oxygen-starved area and air lifting pushing implement.
Further, arrange submerged pushing flow mixer in anaerobic zone, power of agitator is 2 ~ 6W/m
3.
While the BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank involved in the present invention has continued the technological advantage that typical BioDopp biochemical reactor has, make whole reactor effluent quality more stable, structure is simpler, and required equipment quantity greatly reduces, and cost of investment is lower.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the plan structure schematic diagram of the embodiment of the BioDopp biochemical reactor according to a kind of embedded rectangle sedimentation tank of the present invention; And
Fig. 2 shows the A-A sectional structure schematic diagram of Fig. 1;
Fig. 3 shows the B-B sectional structure schematic diagram of Fig. 1.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, inlet flume; 2, anaerobic zone; 3, oxygen-starved area; 4, air lifting pushing implement; 5, aerobic zone; 6, rectangle sedimentation tank inlet flume; 7, rectangle sedimentation tank; 8, rectangle sedimentation tank effluent trough; 9, mud-collecting slot.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as a limitation of the invention.
As shown in Figure 1, Figure 2 and Figure 3, The embodiment provides a kind of BioDopp biochemical reactor of embedded rectangle sedimentation tank.Treatment sewage enters into inlet flume 1, mixes with the returned sluge in mud-collecting slot 9, and then gravity flow enters into anaerobic zone 2, realizes the release of phosphorus and the ammonification of organic amino in anaerobic zone 2, simultaneously removal unit partial objectives for pollutent; The mud mixture refluxed in sewage vertical downflow and the aerobic zone 5 of anaerobic zone 2 mixes, enter into oxygen-starved area 3, submerged pushing flow mixer is set in anaerobic zone 2, mud mixture in oxygen-starved area 3 is stirred, in oxygen-starved area 3, realize the function removing most of total nitrogen; Oxygen-starved area 3 end is communicated with bottom air lifting pushing implement 4, and by the castering action of air lifting pushing implement 4, mud mixture constantly flows into aerobic zone 5; Build aerobic environment in aerobic zone 5 by blast aeration system, remove the target contaminant such as COD, ammonia nitrogen; Aerobic zone 5 end is communicated with rectangle sedimentation tank inlet flume 6, and part mud mixture enters into rectangle sedimentation tank inlet flume 6, is evenly distributed to the whole elongated section of rectangle sedimentation tank 7 by rectangle sedimentation tank inlet flume 6; Mud mixture realizes mud-water separation at rectangle sedimentation tank 7, and bed mud is deposited on bottom rectangle sedimentation tank 7, and supernatant liquor is collected by rectangle sedimentation tank effluent trough 8 and discharged BioDopp biochemical reactor; Rectangle sedimentation tank 7 base sludge is inhaled after mud scraper is collected is sent by pumping to mud-collecting slot 9, and in mud-collecting slot 9, most of sludge reflux is in inlet flume 1, and excess sludge discharges BioDopp biochemical reactor by shore pipe.
Embodiment 1.
Example 1: the BioDopp biochemical treatment reactor processing the embedded rectangle sedimentation tank of 15000 tons of municipal wastewaters one day, anaerobic zone 2 is long is 12m, and wide is 9m, and available depth is 7.5m; Oxygen-starved area 3 is long is 54m, and wide is 12m, and virtual height is 2.5m; Aerobic zone 5 is long is 66m, and wide is 10m, and available depth is 7.5m; Rectangle sedimentation tank 7 is long is 54m, and wide is 12m, and available depth is 4.8m.Rectangle sedimentation tank inlet flume 6 and rectangle sedimentation tank effluent trough 8 are in the side of rectangle sedimentation tank 7, and rectangle sedimentation tank inlet flume 6 length is 54m, and wide is 0.5m, and available depth is 1.0m, and rectangle sedimentation tank effluent trough 8 length is 56m, and wide is 0.5m, and available depth is 0.8m; Mud-collecting slot 9 is at the opposite side of rectangle sedimentation tank 7, and mud-collecting slot 9 length is 65m, and wide is 0.3m, and available depth is 0.5m; Mud-collecting slot 9 one end is communicated with inlet flume 1, and inlet flume 1 length is 12m, and wide is 1.0m, and available depth is 0.8m; Mud-collecting slot 9 the other end connects shore pipe, and sludge pump adopts dry type to install, and arrange two, 1 is standby with 1, and flow is 80m
3/ h, lift is 12m.Rectangle sedimentation tank 7 adopts reciprocating suction mud scraper, and span is 12m, and walking speed is 1m/min, and configuration excavating pump 3, separate unit flow is 200m
3/ h, lift is 6m, and the mud inhaling mud scraper collection is sent by pumping to mud-collecting slot 9; One end, oxygen-starved area 3 is connected with anaerobic zone 2, and anaerobic zone 2 and bottom surface, oxygen-starved area 3 are with high, and arrange 2 submerged pushing flow mixers in anaerobic zone 2, plug-flow direction is direction, oxygen-starved area 3, and power of agitator is 4W/m
3, impeller of submersible propeller stirrer diameter 1600mm, rotating speed 43rpm, power 3.5kW, the other end of oxygen-starved area 3 is communicated with air lifting pushing implement 4, and air lifting pushing implement 4 is divided into 4 groups, and single group length is 3m, and width is 1m, and liquid level rising height is 50mm.
Embodiment 2.
Example 2: the BioDopp biochemical treatment reactor processing the embedded rectangle sedimentation tank of 30000 tons of municipal wastewaters one day, anaerobic zone 2 is long is 18m, and wide is 8m, and available depth is 8m; Oxygen-starved area 3 is long is 72m, and wide is 18m, and virtual height is 2.7m; Aerobic zone 5 is long is 83m, and wide is 13.5m, and available depth is 8m; Rectangle sedimentation tank 7 is wide for growing for 72m, and wide is 18m, and available depth is 5.1m.Rectangle sedimentation tank inlet flume 6 and rectangle sedimentation tank effluent trough 8 are in the side of rectangle sedimentation tank 7, and rectangle sedimentation tank inlet flume 6 length is 72m, and wide is 0.8m, and available depth is 1.2m, and rectangle sedimentation tank effluent trough 8 length is 74m, and wide is 0.8m, available depth 1.0m; Mud-collecting slot 9 is at the opposite side of rectangle sedimentation tank 7, and mud-collecting slot 9 length is 82m, and wide is 0.4m, and available depth is 0.5m; Mud-collecting slot 9 one end is communicated with inlet flume 1, and inlet flume 1 length is 18m, and wide is 1.0m, and available depth is 1.2m; Mud-collecting slot 9 the other end connects shore pipe, and sludge pump adopts dry type to install, and arrange two, 1 is standby with 1, and flow is 160m
3/ h, lift is 12m.Rectangle sedimentation tank 7 adopts 2 chain slat type mud scrapers, and separate unit chain slat type mud scraper working length is 72m, and width is 9m, and carrier bar walking speed is 1.5m/min, and configuration excavating pump 6, separate unit flow is 200m
3/ h, lift is 6m, and the mud that excavating pump is collected is sent by pumping to mud-collecting slot 9; One end, oxygen-starved area 3 is connected with anaerobic zone 2, and anaerobic zone 2 and bottom surface, oxygen-starved area 3 are with high, and arrange 3 submerged pushing flow mixers in anaerobic zone 2, plug-flow direction is direction, oxygen-starved area 3, and power of agitator is 3.6W/m
3, impeller of submersible propeller stirrer diameter 2200mm, rotating speed 43rpm, power 5.5kW, the other end of oxygen-starved area 3 is communicated with air lifting pushing implement 4, and air lifting pushing implement 4 is divided into 6 groups, and single group length is 3m, and width is 1m, and liquid level rising height is 80mm.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be included within protection scope of the present invention.
Claims (6)
1. a BioDopp biochemical reactor for embedded rectangle sedimentation tank, is characterized in that, comprises anaerobic zone, oxygen-starved area, aerobic zone and rectangle sedimentation tank; Described anaerobic zone is communicated with described oxygen-starved area, and described oxygen-starved area is communicated with described aerobic zone, and described aerobic zone is communicated with described anaerobic zone, and described rectangle sedimentation tank is arranged on above described oxygen-starved area.
2. the BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank according to claim 1, it is characterized in that, described rectangle sedimentation tank adopts while the rectangle sedimentation tank that goes out, available depth is 3 ~ 6m, width is 6 ~ 18m, described oxygen-starved area virtual height is 2 ~ 4m, width and described rectangle sedimentation tank wide.
3. the BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank according to claim 1, is characterized in that, also comprises rectangle sedimentation tank inlet flume, rectangle sedimentation tank effluent trough and mud-collecting slot; Described rectangle sedimentation tank inlet flume and rectangle sedimentation tank effluent trough are arranged on the side of described rectangle sedimentation tank, and described mud-collecting slot is arranged on described rectangle sedimentation tank opposite side; Described mud-collecting slot one end is communicated with inlet flume, and the other end is connected with shore pipe.
4. the BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank according to claim 1, is characterized in that, described rectangle sedimentation tank adopts reciprocating suction mud scraper or chain slat type mud scraper or fluid pressure type mud scraper, and the mud of collection is sent by pumping to mud-collecting slot.
5. the BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank according to claim 1, it is characterized in that, also comprise air lifting pushing implement, described air lifting pushing implement is arranged between described oxygen-starved area and described aerobic zone, and described air lifting pushing implement is all communicated with described aerobic zone with described oxygen-starved area and described air lifting pushing implement.
6. the BioDopp biochemical reactor of a kind of embedded rectangle sedimentation tank according to claim 1, is characterized in that, arrange submerged pushing flow mixer in described anaerobic zone, and power of agitator is 2 ~ 6W/m
3.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305725A (en) * | 2018-11-23 | 2019-02-05 | 恩格拜（武汉）生态科技有限公司 | Biochemical sewage treatment process |
| CN109467189A (en) * | 2018-12-20 | 2019-03-15 | 北京博汇特环保科技股份有限公司 | Biochemical reactor |
| CN110510737A (en) * | 2019-08-09 | 2019-11-29 | 恩格拜（武汉）生态科技有限公司 | Reinforced activated sludge process for sewage treatment |
| CN115367877A (en) * | 2022-08-24 | 2022-11-22 | 上海禾元环保集团有限公司 | Continuous circulating flow biological nitrogen and phosphorus removal reactor and method |
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| CN101397176A (en) * | 2007-09-24 | 2009-04-01 | 中山市环保实业发展有限公司 | Integrated auto-return multi-stage biochemical wastewater treatment device with mud scraper |
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| CN205035234U (en) * | 2015-10-14 | 2016-02-17 | 北京博汇特环保科技有限公司 | BioDopp biochemical reactor of embedded rectangle sedimentation tank |
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2015
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101397176A (en) * | 2007-09-24 | 2009-04-01 | 中山市环保实业发展有限公司 | Integrated auto-return multi-stage biochemical wastewater treatment device with mud scraper |
| CN103755023A (en) * | 2013-12-13 | 2014-04-30 | 盐城工学院 | Novel immobilized microorganism biochemical precipitation integrated reactor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109305725A (en) * | 2018-11-23 | 2019-02-05 | 恩格拜（武汉）生态科技有限公司 | Biochemical sewage treatment process |
| CN109305725B (en) * | 2018-11-23 | 2021-06-01 | 恩格拜（武汉）生态科技有限公司 | Biochemical sewage treatment process |
| CN109467189A (en) * | 2018-12-20 | 2019-03-15 | 北京博汇特环保科技股份有限公司 | Biochemical reactor |
| CN110510737A (en) * | 2019-08-09 | 2019-11-29 | 恩格拜（武汉）生态科技有限公司 | Reinforced activated sludge process for sewage treatment |
| CN110510737B (en) * | 2019-08-09 | 2022-02-08 | 恩格拜（武汉）生态科技有限公司 | Reinforced activated sludge process for sewage treatment |
| CN115367877A (en) * | 2022-08-24 | 2022-11-22 | 上海禾元环保集团有限公司 | Continuous circulating flow biological nitrogen and phosphorus removal reactor and method |
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