CN203794697U - Novel hydrolytic acidification reinforcing reaction device - Google Patents
Novel hydrolytic acidification reinforcing reaction device Download PDFInfo
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- CN203794697U CN203794697U CN201420175354.5U CN201420175354U CN203794697U CN 203794697 U CN203794697 U CN 203794697U CN 201420175354 U CN201420175354 U CN 201420175354U CN 203794697 U CN203794697 U CN 203794697U
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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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Abstract
The utility model discloses a novel hydrolytic acidification reinforcing reaction device. The novel hydrolytic acidification reinforcing reaction device comprises a reactor body. The reactor body is divided into a reaction area and a mud-water separation area. A distribution water tank is arranged in the reaction area and communicated with a main water distribution tank. The main water distribution tank is communicated with the water outlet of a water inlet lifting pump through a water inlet pipe. A water outlet backflow pipe is arranged on the upper portion of the mud-water separation area. The water outlet backflow pipe is communicated with waste water to be processed and the water inlet of the water inlet lifting pump. A three-phase separator is arranged in the mud-water separation area. A sludge backflow mud inlet pipe is arranged at the bottom of the mud-water separation area. A sludge backflow pipe is arranged at the bottom of the reaction area. The sludge backflow mud inlet pipe is communicated with a residual sludge discharge pipe and the sludge backflow pipe through a sludge backflow pump. By means of the novel hydrolytic acidification reinforcing reaction device, acidification anaerobic loads are improved, stability of hydrolytic acidification running is improved, the sludge yield is decreased, the application range of the novel hydrolytic acidification reinforcing reaction device is widened, construction cost is reduced, and marsh gas can be recycled.
Description
Technical field
The utility model relates to sewage treatment area, is specifically related to a kind of novel reinforced acidication reaction unit, is applicable to the processing of middle and high concentration organic industrial sewage and sanitary sewage.
Background technology
Tradition acidication biological treatment comes across the eighties in 20th century, is a kind of method between aerobic and anaerobic treatment method.This technique does not need strict anaerobic digestion envrionment conditions, there is thicker Sludge Bed, can be by the particulate matter in water inlet, colloid, macromolecular substance etc. are held back rapidly and are absorbed, by hydrolysis bacterium, the enzymatic that acid-producing bacteria discharges makes non-dissolved organic matter and progressively changes dissolved organic matter into, and by some be difficult to biological degradation macromolecular substance be converted into be easy to degraded small-molecule substance, as organic acid etc., thereby make the biodegradability of waste water, degradation speed increases substantially, and then improve follow-up aerobic treatment organic pollutant removal speed, and can impel organic pollutant degradation more thorough.Tradition acidication can normally move at normal temperatures, and treatment process is simple, and laid down cost, working cost are lower, in the city sewage treatment works of lower concentration, are used widely.
But, because acidication is generally used for processing low-concentration organic waste water, the mud in reactor be take floc sludge as main, as improper process control, easily cause sludge loss, and then affect the treatment effect of subsequent treatment process and the stability of whole Sewage treatment systems.In addition, this technique is comparatively extensive in low concentration wastewater is processed, but because organic degradation is thorough not, organic loading is not high, while applying, can increase the laid down cost of subsequent treatment process in intermediate concentration waste water, if be subject to the restriction of physical condition in practical engineering project, once can not use the Anaerobic Methods in Treating that organic loading is higher (as EGSB etc.), can greatly increase construction investment.Based on this reason, in conjunction with ABR, UASB High-efficient Anaerobic Technology, traditional acidication technique is improved, to reach, improve traditional acidication technique organic loading, realize the use range that expands acidication, improve the stability object of acidication process operation.
Utility model content
The purpose of this utility model is the problems referred to above that are for prior art existence, a kind of novel reinforced acidication reaction unit is provided, raising acidolysis acidifying anaerobism load, strengthen the stability of acidication operation, reduce sludge yield, expand its use range, reduce laid down cost, and according to project situation, can consider methane recovery utilization, realize higher economic benefit and better environmental benefit.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of novel reinforced acidication reaction unit, comprise reactor body, described reactor body is divided into reaction zone and mud-water separation district, in reaction zone, be provided with several and distribute tank, distribute tank to be communicated with total distributing trough, total distributing trough is communicated with the water outlet of inlet water lifting pumps by water inlet pipe, the top in mud-water separation district is provided with effluent recycling pipe, effluent recycling pipe and pending waste water are communicated with the water-in of inlet water lifting pumps, in mud-water separation district, be provided with several triphase separators, the air chamber that the upper space of the Yu You reaction zone, outlet side of triphase separator forms is communicated with, air chamber top is provided with biogas utilization/blow-down pipe, bottom, mud-water separation district is provided with sludge reflux and enters mud pipe, bottom, reaction zone is provided with mud return line, sludge reflux enters mud pipe and is communicated with excess sludge discharge pipe and mud return line respectively by sludge reflux pump.
In reaction zone as above, be provided with mud position observation tube.
Reactor body as above bottom is provided with training wall, and a side of training wall is also provided with flow deflector, between training wall and flow deflector, forms flow-guiding channel, and flow-guiding channel is communicated with the top of reaction zone and the bottom in mud-water separation district.
Total distributing trough as above comprises total water distribution receiving tank, water inlet pipe is arranged on the bottom of total water distribution receiving tank, the top of total water distribution receiving tank be provided with effluent weir, on effluent weir, be provided with total distributing trough and distribute water pipe, total distributing trough distributes water pipe to be communicated with each distribution tank.
Distribution tank as above comprises bypass channel cell body, and bypass channel cell body sidepiece is provided with and distributes tank effluent weir, distributes on tank effluent weir and is provided with water distributor.
The utility model compared with prior art, has the following advantages:
1, due to traditional water distribution manner is improved, adopt two-stage to distribute the mode of water distribution at utmost to guarantee the homogeneity of water distribution, the homogeneity of the water distribution of reaction unit is played an important role.Moreover, take this method to carry out water distribution, be convenient to observe water distribution pipe stopping state, and the dredging of being convenient to stop up water distribution pipe, during dredging, only need use mechanically resistant material to dredge from the upper end of water distribution pipe, can guarantee that the water distribution pipe stopping up can dredge timely, thereby avoid because water distributor stops up the water distribution system ununiformity causing.Reaction unit water distribution is evenly for system stable operation provides important support.
2,, owing to adopting effluent recycling, on the one hand, reduced the mean concns of water inlet, thereby avoided local instantaneously acidifying phenomenon, thereby be conducive to guarantee operation stability.In addition on the one hand, effluent recycling has improved flooding velocity, also just improve Flow Velocity on reaction unit bottom integrated, being conducive to pollutent mixes more fully with mud, improve mass-transfer efficiency, and then the removal effect of quickening pollutent, for alleviating subsequent treatment process load, play an important role, be finally conducive to maintain the stability of whole sewage system operation.
3, owing to reaction unit being divided into reaction zone and mud-water separation district, Bing mud-water separation district arranges sludge reflux system, sludge reflux system the loss that can avoid on the one hand mud in reaction unit is set, on the other hand, can improve reaction zone sludge concentration, thereby promote reaction unit anaerobic organic matter volumetric loading, and then reduce engineering-built cost.Moreover, in mud-water separation district, by three separators are set, improve mud-water separation effect, both guaranteed the outlet effect that reaction unit is good, avoid again sludge loss in device, be conducive to improve the stability of this reaction unit and even whole operation of sewage disposal system.
4, can not be to rest on the acidication stage by organic substance degraded, but degraded comparatively thoroughly produce methane, so on the one hand by the recycling of methane, has good energy utilization and environmental economical profit.In addition on the one hand, because organism is degraded comparatively thoroughly, in subsequent treatment process, total organic loading will significantly reduce, and therefore, the scale of subsequent treatment process will significantly reduce, thereby significantly reduce integrated engineering laid down cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is A-A sectional view in Fig. 1;
Fig. 3 is B-B sectional view in Fig. 1;
Fig. 4 is C-C sectional view in Fig. 1;
Fig. 5 is the structure iron of total distributing trough;
Fig. 6 is D-D sectional view in Fig. 5;
Fig. 7 is E-E sectional view in Fig. 5;
Fig. 8 is for distributing the structural representation of tank;
Fig. 9 is the F-F sectional view of Fig. 8;
Figure 10 is the G-G sectional view of Fig. 8.
In figure: 1-reactor body, 2-inlet water lifting pumps, 3-water inlet pipe, the total distributing trough of 4-, 5-distributes tank, 6-water distributor, 7-training wall, 8-flow deflector, 9-triphase separator, 10-effluent weir, 11-effluent recycling pipe, 12-sludge reflux enters mud pipe, 13-sludge reflux pump, 14-mud return line, 15-excess sludge discharge pipe, 16-triphase separator collecting methane pipe, 17-air chamber, 18-biogas utilization/blow-down pipe, 19-mud position observation tube, 20-manhole, the total water distribution receiving tank of 21-, the total distributing trough of 22-distributes water pipe, 23-distributes tank effluent weir, 24-distributes tank shore pipe, 25-mud position observation tube valve, 26-distributes tank sludge out pipe.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
A kind of novel reinforced acidication reaction unit, comprise reactor body 1, described reactor body 1 is divided into reaction zone and mud-water separation district, in reaction zone, be provided with several and distribute tank 5, distribute tank 5 to be communicated with total distributing trough 4, total distributing trough 4 is communicated with the water outlet of inlet water lifting pumps 2 by water inlet pipe 3, the top in mud-water separation district is provided with effluent recycling pipe 11, effluent recycling pipe 11 and pending waste water are communicated with the water-in of inlet water lifting pumps 2, in mud-water separation district, be provided with several triphase separators 9, the air chamber 17 that the upper space of the Yu You reaction zone, outlet side of triphase separator 9 forms is communicated with, air chamber 17 tops are provided with biogas utilization/blow-down pipe 18, bottom, mud-water separation district is provided with sludge reflux and enters mud pipe 12, bottom, reaction zone is provided with mud return line 14, sludge reflux enters mud pipe 12 and is communicated with excess sludge discharge pipe 15 and mud return line 14 respectively by sludge reflux pump 13.In reaction zone, be provided with mud position observation tube 19.Reactor body 1 bottom is provided with training wall 7, and a side of training wall 7 is also provided with flow deflector 8, between training wall 7 and flow deflector 8, forms flow-guiding channel, and flow-guiding channel is communicated with the top of reaction zone and the bottom in mud-water separation district.Total distributing trough 4 comprises total water distribution receiving tank 21, water inlet pipe 3 is arranged on the bottom of total water distribution receiving tank 21, the top of total water distribution receiving tank 21 be provided with effluent weir 10, on effluent weir 10, be provided with total distributing trough and distribute water pipe 22, total distributing trough distributes water pipe 22 to be communicated with each distribution tank 5.Distribute tank 5 to comprise bypass channel cell body, bypass channel cell body sidepiece is provided with and distributes tank effluent weir 23, distributes on tank effluent weir 23 and is provided with water distributor 6.
The utility model comprises reaction zone, mud-water separation district, water inlet system, sludge reflux system, collecting methane system.Waste water and effluent recycling dilution water promote by inlet water lifting pumps 2, through water inlet pipe 3, flow into total distributing trough 4, by total distributing trough 4, will intake evenly distribute in each distribution tank 5, and then through distribution tank 5 by sewage evenly distribute to distributing to every water distributor, the sewage that enters water distributor enters bottom reaction zone under action of gravity.Under mud effect, through acidication, product acid, product hydrogen, product several stages of methane, by the most of organic matter degradation in sewage, produce methane, the methane gas producing enters by reactor body 1 and is positioned at the air chamber 17 that the space on liquid level forms, then by biogas utilization/blow-down pipe 18, methane gas is discharged to air chamber 17.Sewage carries with part mud and enters separator for mud and water district after by training wall 7 and refluence plate 8, during through triphase separator 9, realize gas, water, mud three phase separation, the collecting methane pipeline 16 of biogas by triphase separator top imports in the middle of air chamber 17, mud is retained down and returns to bottom, mud-water separation district by triphase separator 9, then through sludge reflux, enter mud pipe 12, sludge reflux pump 13 and mud return line 14 evenly turn back to bottom, reaction zone again, to guarantee the sludge concentration of reaction zone and the good effluent quality of device, when mud mud position, reaction zone is higher, also this part mud directly can be drained in external sludge treatment device by excess sludge discharge pipe 15 is outer.Sewage is by after triphase separator 9, from effluent weir 10, evenly discharge reaction unit, when inlet COD concentration is higher, for the good operating performance of holding device, the part water outlet of reaction unit is back to the water-in of inlet water lifting pumps 2 by effluent recycling pipe 11, reached dilution water inlet, the final object that maintains system stability that realizes.
For the ease of the situation of mud position in observing response device, some mud position observation tube 19 is set in reaction zone, make regular check on dirt height in reaction unit, to maintain the stability of reaction unit operation.It is to realize by observing different heights observation tube 19 amounts of mud in water of emitting that mud position is highly observed, and in addition, for convenient, installs and maintenance, in reaction zone and mud-water separation district, manhole 20 is set.
Reactor body adopts skeleton construction, and effluent weir 10, triphase separator 9, total distributing trough 4, distribution tank 5, water distributor 6 adopt stainless steel, PE or other light anticorrosive materials.
Total distributing trough 4 of described water distribution system is realized sewage evenly distribute in several receiving tanks 21 by being evenly distributed water distribution effluent weir 10 length, water distributing pipe 22 by total distributing trough 5 is averagely allocated to each distribution tank 5 by sewage again, same distribute tank 5 be also length by evenly distribute water distribution effluent weir 23 by sewage evenly distribute in every water distributor 6, guarantee the uniformity of water distribution of water distribution pipe system, the lower sewage of total use of run by gravity is flowed into and is distributed tank 5 by total distributing trough 4 again, total distributing trough 4, distribute tank 5 to be positioned at reactor body 1 top, total distributing trough 4 is 1, distribute tank 4 quantity to determine according to the actual size of quantities, for fear of sedimentation of suspension to distributing in tank 5, on dispensing water trench bottom both sides, put slope, and shore pipe 24 is set in centre.
Described triphase separator 9, effluent weir 10 one end are fixed in reaction unit main body 1, and one end is fixed on the body of wall of flow deflector upper end in addition.
The design concept of the utility model enhanced hydrolysis acidification reaction device is in conjunction with UASB, ABR High-efficient Anaerobic Technology, traditional acidication treatment system is transformed, by the setting in reaction zone and mud-water separation district, improve reaction zone sludge concentration, avoid reaction zone sludge loss, and under the effect of triphase separator, realize better mud-water separation effect, realized system operation more stable, the scope of application is object more widely, and solve the difficult High-efficient Anaerobic Technology of using of part engineering, and need the demand of the engineering project of saving construction investment.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field, can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. a novel reinforced acidication reaction unit, comprise reactor body (1), it is characterized in that, described reactor body (1) is divided into reaction zone and mud-water separation district, in reaction zone, be provided with several and distribute tank (5), distribute tank (5) to be communicated with total distributing trough (4), total distributing trough (4) is communicated with the water outlet of inlet water lifting pumps (2) by water inlet pipe (3), the top in mud-water separation district is provided with effluent recycling pipe (11), effluent recycling pipe (11) and pending waste water are communicated with the water-in of inlet water lifting pumps (2), in mud-water separation district, be provided with several triphase separators (9), the air chamber (17) that the upper space of the Yu You reaction zone, outlet side of triphase separator (9) forms is communicated with, air chamber (17) top is provided with biogas utilization/blow-down pipe (18), bottom, mud-water separation district is provided with sludge reflux and enters mud pipe (12), bottom, reaction zone is provided with mud return line (14), sludge reflux enters mud pipe (12) and is communicated with excess sludge discharge pipe (15) and mud return line (14) respectively by sludge reflux pump (13).
2. a kind of novel reinforced acidication reaction unit according to claim 1, is characterized in that, is provided with mud position observation tube (19) in described reaction zone.
3. a kind of novel reinforced acidication reaction unit according to claim 1, it is characterized in that, described reactor body (1) bottom is provided with training wall (7), one side of training wall (7) is also provided with flow deflector (8), between training wall (7) and flow deflector (8), form flow-guiding channel, flow-guiding channel is communicated with the top of reaction zone and the bottom in mud-water separation district.
4. a kind of novel reinforced acidication reaction unit according to claim 1, it is characterized in that, described total distributing trough (4) comprises total water distribution receiving tank (21), water inlet pipe (3) is arranged on the bottom of total water distribution receiving tank (21), the top of total water distribution receiving tank (21) be provided with effluent weir (10), on effluent weir (10), be provided with total distributing trough and distribute water pipe (22), total distributing trough distributes water pipe (22) and each to distribute tank (5) to be communicated with.
5. a kind of novel reinforced acidication reaction unit according to claim 1, it is characterized in that, described distribution tank (5) comprises bypass channel cell body, and bypass channel cell body sidepiece is provided with and distributes tank effluent weir (23), distributes on tank effluent weir (23) and is provided with water distributor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175354.5U CN203794697U (en) | 2014-04-11 | 2014-04-11 | Novel hydrolytic acidification reinforcing reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175354.5U CN203794697U (en) | 2014-04-11 | 2014-04-11 | Novel hydrolytic acidification reinforcing reaction device |
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| CN203794697U true CN203794697U (en) | 2014-08-27 |
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| CN201420175354.5U Expired - Fee Related CN203794697U (en) | 2014-04-11 | 2014-04-11 | Novel hydrolytic acidification reinforcing reaction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862964A (en) * | 2017-05-08 | 2018-11-23 | 兰州理工大学 | A kind of electric slaking apparatus improving sludge digestion rate using carbon nano-fiber material |
-
2014
- 2014-04-11 CN CN201420175354.5U patent/CN203794697U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862964A (en) * | 2017-05-08 | 2018-11-23 | 兰州理工大学 | A kind of electric slaking apparatus improving sludge digestion rate using carbon nano-fiber material |
| CN108862964B (en) * | 2017-05-08 | 2024-01-30 | 喀什大学 | Electric digestion device for improving sludge digestion rate by utilizing nano carbon fiber material |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180411 |