CN202658005U - Double-circulation anaerobic reaction device - Google Patents
Double-circulation anaerobic reaction device Download PDFInfo
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- CN202658005U CN202658005U CN2012202915406U CN201220291540U CN202658005U CN 202658005 U CN202658005 U CN 202658005U CN 2012202915406 U CN2012202915406 U CN 2012202915406U CN 201220291540 U CN201220291540 U CN 201220291540U CN 202658005 U CN202658005 U CN 202658005U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 230000000630 rising effect Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 8
- 238000013022 venting Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005352 clarification Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 18
- 239000010865 sewage Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a double-circulation anaerobic reaction device. The double-circulation anaerobic reaction device comprises a tank body, wherein a water-distributing area, a first-level three-phase separator, a second-level three-phase separator and a gas-liquid separator are arranged inside the tank body in sequence from bottom to top, and an external circulation system is additionally provided. A sediment tank arranged inside a water outlet tank of the second-level three-phase separator is used to collect particle-shaped sludge which is not separated thoroughly, the particle-shaped sludge is conveyed back to the water-distributing area at the lower portion of the tank body, and therefore sewage treatment can be more thorough, and losing of the particle-shaped sludge can be avoided. In addition, when anaerobism is impacted, rising flowing speed inside the anaerobism can be adjusted, the quantity of anaerobes can be kept, and the anaerobic reaction device achieves an effect of stable operation.
Description
Technical field
The utility model relates to a kind of anaerobic reaction device for sewage disposal.
Background technology
Anaerobic reaction device is key device in the Sewage treatment systems, and its underpart is provided with water distribution system, waste water can be assigned to equably the bottom of whole reactor and carry out hydraulic mixing; Water distribution system top is reaction zone, and reaction zone is the main place that the reaction of reactor mesophytization occurs, and is divided into again Sludge Bed district and sludge suspension district, and Sludge Bed district has wherein mainly concentrated most of highly active granule sludge, is organic main degraded place; The sludge suspension district then is the zone that floc sludge is concentrated.Reaction zone top is the two-stage triphase separator, in order to separation gas, water and mud granule.Derive at gas autoreactor top; The automatic landing of mud granule is settled down to the Sludge Bed of reactor bottom; Water is from the settling section water outlet.
Existing anaerobic reaction device have an internal circulation system, sewage enters reaction zone by water distribution system, evenly mixes with anaerobic grain sludge in the reaction zone.Contained most of organism is converted into biogas and rises in reactor in the sewage; When biogas rises, also the mixed solution in the reaction zone is promoted to the gas-liquid separator that is located at reactor head, the biogas that is separated is drained by the air outlet at gas-liquid separator top.Isolated muddy water mixed solution will be got back to along return line the bottom of reaction zone, and fully mix in granule sludge and the water inlet of bottom.Because three-way separator separates can't be very thorough, so " race mud " phenomenon often can occur, namely unsegregated anaerobic grain sludge can be discharged reactor with water.As everyone knows, anaerobic reactor requires its normal start-up and operation of granular sledge guarantee that the seed sludge activity is high, settling property is good.And the passage of anaerobic grain sludge, the very large difficulty of bringing for debugging and the operation at reactor initial stage; After the normal operation of reactor, muddy water mixed solution separates halfway problem and also still exists, and the direct discharging of such sewage still can pollute.
The utility model content
For the technical problem of above-mentioned existence, the utility model provides a kind of double-cycling anaerobic reaction unit, can separate more thoroughly sewage and avoid the loss of granular sledge.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of double-cycling anaerobic reaction unit comprises tank body; Be disposed with from the bottom to top cloth pool, one-level triphase separator, secondary triphase separator, gas-liquid separator in the described tank body; Also comprise water distribution system, described water distribution system comprises some water distribution units; Described water distribution unit is installed on tank body lower part cloth pool, comprises the water inlet pipe that extends into tank interior, the valve that is used for the control water inlet pipe; The part that described water inlet pipe extends into tank body is provided with some water jets; Water distribution system also comprises riser tube and return line; Described riser tube upper end communicates with the gas-liquid separator that is positioned at the tank body top, and the lower end communicates with the collection chamber of triphase separator; Described return line upper end communicates with the gas-liquid separator that is positioned at the tank body top, and the lower end communicates with the cloth pool; Described water distribution system also comprises external circulating system; Described external circulating system comprises some setting tanks that are arranged in the effluent trough; Described setting tank is connected mutually, and communicates with overflow groove; Be provided with the rising pipe of the liquid of clarification being discharged tank body on the overflow groove; Described external circulating system also comprises the outer circulation pipeline; Described outer circulation pipeline upper end communicates with the setting tank lower end, and outer circulation pipeline lower end communicates with the cloth pool.
Anaerobic reaction device with said structure has increased an external circulating system.The setting tank collection that utilization is arranged in the secondary triphase separator effluent trough does not separate thoroughly granular sledge, and these granular sledges is sent back to the cloth pool of tank body lower part.Can so that sewage disposal is more thorough, can avoid again the loss of granular sledge like this.And can make anaerobism when being subject to impacting, regulate the up-flow speed of anaerobism inside, keep the anaerobion amount, make anaerobic device reach the effect of steady running.
As a kind of improvement, be provided with valve on the described outer circulation pipeline, can control separately external circulating system.
As a kind of improvement, described triphase separator comprises the spaced flap of some layers, is used for collecting the collection chamber of biogas, vertically is provided with cutoff board along the top of described flap.So that the ascending current directional stream-guidance, waterflow stabilization evenly rises, and has avoided the collision of current and the race mud phenomenon that produces.
Further improve as above-mentioned improvement, vertically be provided with baffle plate along described flap lower end.Prevent that sludge granules from being taken away by ascending current, be conducive to the precipitation of mud.
As a kind of improvement, described gas-liquid separator comprises cylindrical shell, the fluid inlet that communicates with riser tube, the liquid outlet that communicates with return line, is used for the orifice plate of gas-liquid separation; Described cylinder top is provided with venting port; Liquid outlet is arranged on cylinder body bottom; Be positioned in the cylindrical shell and be horizontally disposed with abacus on the fluid inlet, the interior oblique some dividing plates that are provided with of cylindrical shell; Described dividing plate is positioned on the orifice plate; Dividing plate is provided with the slit of passing through for biogas.The dividing plate of oblique setting is conducive to flow back to cylinder body bottom behind the steam coagulation.
Further improve as above-mentioned improvement, described dividing plate is venetian blind type; Dividing plate is from top to bottom arranged, and the adjacent separator direction is relatively staggered.Not only have the function that multilayer is separated, separating effect is better, and the baffle design of venetian blind type, when guaranteeing that biogas passes through, more is conducive to condensing of water vapour.
As a kind of improvement, described water distribution unit is 3, and from top to bottom arranges successively; The water jet of all water distribution units is arranged in same plane.Three layers of water distribution unit can be convenient the more water jet of increase, increase the injection dynamics, so that the sewage fermentation is more abundant.
As a kind of improvement, the water inlet pipe of described water distribution unit derives 4 water inlet pipe branches, extends into respectively 4 different zones in the same plane of cloth pool; Described gas-liquid separator is 4, and the return line that each gas-liquid separator connects communicates with 4 different zones that water inlet pipe branch marks off respectively; Be respectively arranged with valve in each water inlet pipe branch.Water distribution unit is divided into 4 parts in same plane, can be according to reaction fermentation situations different in the tank body, regional water distribution is carried out in control respectively.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the secondary triphase separator shows the structure intention in the utility model.
Fig. 3 is secondary triphase separator vertical section synoptic diagram in the utility model.
Fig. 4 is water distribution unit synoptic diagram in the utility model.
Fig. 5 is the structural representation of triphase separator flap in the utility model.
Fig. 6 is the structural representation of gas-liquid separator in the utility model.
Among the figureMark: 1 tank body, 2 water inlet pipe branches, 3 valves, 4 water jets, 5 water inlet pipes, 6 water distribution units, 7 one-level triphase separators, 8 collection chambers, 9 valves, 10 return lines, 11 riser tubes, 12 gas collection holes, 13 gas-liquid separators, 14 secondary triphase separators, 15 effluent troughs, 16 overflow grooves, 17 setting tanks, 18 rising pipes, 19 outer circulation pipelines, 20 valves, 21 cloth pools, 22 flaps, 131 cylindrical shells, 132 fluid inlets, 133 venting ports, 134 orifice plates, 135 dividing plates, 136 liquid outlets, 221 guide faces, 222 cutoff boards, 223 baffle plates.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, 2, 3:
The utility model comprises tank body 1; Be disposed with from the bottom to top cloth pool 21, one-level triphase separator 7, secondary triphase separator 14, gas-liquid separator 13 in the described tank body; Also comprise water distribution system, described water distribution system comprises some water distribution units 6; Described water distribution unit 6 is installed on cloth pool, tank body 1 bottom 21, comprises the water inlet pipe 5 that extends into tank body 1 inside, the valve 9 that is used for control water inlet pipe 5; The part that described water inlet pipe 5 extends into tank body 1 is provided with some water jets 4; Water distribution system also comprises riser tube 11 and return line 20; Described riser tube 11 upper ends communicate with the gas-liquid separator 13 that is positioned at tank body 1 top, lower end and the collection chamber 8 of one-level triphase separator 7 and communicating of secondary three-way separator 14 collection chambers 8; Described return line 10 upper ends communicate with the gas-liquid separator 13 that is positioned at tank body 1 top, and the lower end communicates with cloth pool 21; Described water distribution system also comprises external circulating system; Described external circulating system comprises some setting tanks 17 that are arranged in the effluent trough 15; Described setting tank 17 is connected mutually, and communicates with overflow groove 16; Be provided with the rising pipe 18 of the liquid of clarification being discharged tank body 1 on the overflow groove 16; Described external circulating system also comprises outer circulation pipeline 19; Described outer circulation pipeline 19 upper ends communicate with setting tank 17 lower ends, and outer circulation pipeline 19 lower ends communicate with cloth pool 21.On the outer circulation pipeline valve 20 can be set.
Shown in Fig. 2,3,5:
Triphase separator comprises some spaced flaps 22, be used for to collect the collection chamber 8 of biogas, vertically is provided with cutoff board 222 along the top of described flap 22, vertically is provided with baffle plate 223 along flap 22 lower ends.The difference of one-level triphase separator 7 and secondary triphase separator 14 is: the effluent trough 15 that secondary triphase separator 14 tops are provided with overflow groove 16 and communicate with overflow groove 16.Stir the granular sledge that gets up and stopped by flap 22 bottoms, begin precipitation; The bubble (main component is biogas) that water and stirring produce rises along guide face 221, when arriving flap 22 top, because the existence of cutoff board 222, the current on both sides can not collided, evenly rise, through separating layer by layer, sludge granules precipitation, gas are collected by collection chamber 8 by gas collection hole 12.
As shown in Figure 6:
Gas-liquid separator 13 comprises cylindrical shell 131, the fluid inlet 132 that communicates with riser tube 11, the liquid outlet 136 that communicates with return line 10, is used for the orifice plate 134 of gas-liquid separation; Described cylindrical shell 131 tops are provided with venting port 133; Liquid outlet 136 is arranged on cylindrical shell 131 bottoms; Be positioned in the cylindrical shell 131 and be horizontally disposed with abacus 134 on the fluid inlet 132, cylindrical shell 131 interior oblique some dividing plates 135 that are provided with; Described dividing plate 135 is positioned on the orifice plate 134; Dividing plate 135 is provided with the slit of passing through for biogas.Dividing plate 135 is venetian blind type; Dividing plate 135 is from top to bottom arranged, and the adjacent separator direction is relatively staggered.The sewage that contains biogas enters cylindrical shell 1 by riser tube 11 from fluid inlet 132, and the biogas in the sewage rises with water vapour, and biogas continues to rise by the hole on the orifice plate 134, and the water vapour major part condenses on the orifice plate 134.Biogas continues to rise, and by the slit on the dividing plate 135, and residual water vapour is held back by dividing plate 135 in the biogas, condenses on the dividing plate 135, and final landing is back to the reaction zone 21 of tank body 1 bottom to cylindrical shell 1 bottom by the return line 10 that is connected with liquid outlet 136.Biogas is then discharged cylindrical shell 131 by venting port 133, is collected.
Shown in Fig. 1,4:
Water distribution unit 6 is preferably 3, and from top to bottom arranges successively; The water jet 4 of all water distribution units 6 is arranged in same plane.
The water inlet pipe 5 of water distribution unit 6 can also derive 4 water inlet pipe branches 2, extends into respectively 4 different zones in 21 same planes of cloth pool, reactor 1 bottom; Described gas-liquid separator 13 also is arranged to 4, and the return line 10 that each gas-liquid separator 13 connects communicates with 4 different zones that water inlet pipe branch 2 marks off respectively; Be respectively arranged with valve 3 in each water inlet pipe branch 2.
The operational scheme of the utility model double-cycling anaerobic reaction unit is as follows:
Sewage is by the water inlet pipe 5 of water distribution system and the cloth pool 21 of being sent into tank body 1 bottom by the water inlet pipe branch 2 that water inlet pipe 5 is derived; Water jet 4 has played the effect of stirring-up sewage by strong injection.Sewage is put the generation biochemical reaction cloth pool 21, and organic matter degradation forms the zone that floc sludge is concentrated.Biogas, water, granular sledge rise and arrive one-level triphase separator 7, and most of granular sledge is kept off back by flap 22.Biogas and a part of water enter collection chamber 8 by gas collection hole 12 on the one hand, and enter the gas-liquid separator 13 at tank body 1 top by riser tube 11; Remaining biogas, water, granular sledge continue rising arrival secondary triphase separator 14 on the other hand.After arriving secondary triphase separator 14, granular sledge is kept off back by flap 22, and biogas and a part of water enter collection chamber 8 by gas collection hole 12, and enter the gas-liquid separator 13 at tank body 1 top by riser tube 11; Remaining water and the granular sledge that is not blocked infiltrate overflow groove 16, enter the setting tank 17 that is arranged in the effluent trough 15.The granular sledge that is not blocked deposits in setting tank 17, and water is discharged tank body 1 by rising pipe 18.Biogas in the gas-liquid separator 13 is discharged tank body 1 by venting port 133, and remaining water is back to cloth pool 21 by return line 10; The granular sledge that precipitates in the setting tank and a part of water are back to cloth pool 21 by outer circulation pipeline 19.From collection chamber 8 to gas-liquid separator 13 to cloth pool 21 to collection chamber 8, be internal recycle of the present utility model; 21 approach one-level triphase separators 7 and secondary triphase separator 14 again to cloth pool 21, are outer circulation of the present utility model to setting tank 17 from the cloth pool.
All require ss suspended solid less than 2000mg/L in the processing power processing condition of existing anaerobic device, when ss suspended solid surpasses more than the 2000mg/L, when especially ss suspended solid reaches the 10000mg/L left and right sides, anaerobic reaction device basically can not steady running, and volumetric loading moves below 2kg.COD/m3.d basically, and when reaching 5kg.COD/m3.d, its anaerobic reaction device can not steady running, result of use is poor simultaneously, and efficient is on the low side.
Learn by experiment:
The utility model influent COD cr the highest 34706 mg/L that load, minimum 16961 mg/L, average 23455 mg/L;
The highest 19820 mg/L of water inlet ss suspended solid, minimum 15000 mg/L, average 17530 mg/L.
The highest 4890 mg/L of effluent clear solution CODcr, minimum 2902 mg/L, average 4002 mg/L, clearance is the highest by 87.08%, and minimum 78.77%, average 81.9%;
The CODcr the highest 13.86KgCODcr/m3.d that loads, minimum 10.98 KgCODcr/m3.d, average 12.95 KgCODcr/m3.d;
If adopt existing anaerobic device, the anaerobism volumetric loading is all below 2 KgCODcr/ m3.d, and device can not steady running.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. a double-cycling anaerobic reaction unit comprises tank body; Be disposed with from the bottom to top cloth pool, one-level triphase separator, secondary triphase separator, gas-liquid separator in the described tank body; Also comprise water distribution system, described water distribution system comprises some water distribution units; Described water distribution unit is installed on tank body lower part cloth pool, comprises the water inlet pipe that extends into tank interior, the valve that is used for the control water inlet pipe; The part that described water inlet pipe extends into tank body is provided with some water jets; Water distribution system also comprises riser tube and return line; Described riser tube upper end communicates with the gas-liquid separator that is positioned at the tank body top, and the lower end communicates with the collection chamber of triphase separator; Described return line upper end communicates with the gas-liquid separator that is positioned at the tank body top, and the lower end communicates with the cloth pool; It is characterized in that: described water distribution system also comprises external circulating system; Described external circulating system comprises some setting tanks that are arranged in the effluent trough; Described setting tank is connected mutually, and communicates with overflow groove; Be provided with the rising pipe of the liquid of clarification being discharged tank body on the overflow groove; Described external circulating system also comprises the outer circulation pipeline; Described outer circulation pipeline upper end communicates with the setting tank lower end, and outer circulation pipeline lower end communicates with the cloth pool.
2. a kind of double-cycling anaerobic reaction unit according to claim 1 is characterized in that: be provided with valve on the described outer circulation pipeline.
3. a kind of double-cycling anaerobic reaction unit according to claim 1, described triphase separator comprise the spaced flap of some layers, are used for collecting the collection chamber of biogas, and it is characterized in that: the top along described flap vertically is provided with cutoff board.
4. a kind of double-cycling anaerobic reaction unit according to claim 3 is characterized in that: vertically be provided with baffle plate along described flap lower end.
5. a kind of double-cycling anaerobic reaction unit according to claim 1, described gas-liquid separator comprise cylindrical shell, the fluid inlet that communicates with riser tube, the liquid outlet that communicates with return line, are used for the orifice plate of gas-liquid separation; Described cylinder top is provided with venting port; Liquid outlet is arranged on cylinder body bottom; Be positioned in the cylindrical shell and be horizontally disposed with abacus on the fluid inlet, it is characterized in that: obliquely in the cylindrical shell be provided with some dividing plates; Described dividing plate is positioned on the orifice plate; Dividing plate is provided with the slit of passing through for biogas.
6. a kind of double-cycling anaerobic reaction unit according to claim 5, it is characterized in that: described dividing plate is venetian blind type; Dividing plate is from top to bottom arranged, and the adjacent separator direction is relatively staggered.
7. a kind of double-cycling anaerobic reaction unit according to claim 1, it is characterized in that: described water distribution unit is 3, and from top to bottom arranges successively; The water jet of all water distribution units is arranged in same plane.
8. a kind of double-cycling anaerobic reaction unit according to claim 1, it is characterized in that: the water inlet pipe of described water distribution unit derives 4 water inlet pipe branches, extends into respectively 4 different zones in the same plane of cloth pool; Described gas-liquid separator is 4, and the return line that each gas-liquid separator connects communicates with 4 different zones that water inlet pipe branch marks off respectively; Be respectively arranged with valve in each water inlet pipe branch.
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| CN2012202915406U CN202658005U (en) | 2012-06-20 | 2012-06-20 | Double-circulation anaerobic reaction device |
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| CN2012202915406U CN202658005U (en) | 2012-06-20 | 2012-06-20 | Double-circulation anaerobic reaction device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701530A (en) * | 2012-06-20 | 2012-10-03 | 自贡市泉峰环保设备制造有限公司 | Double-circulation anaerobic reaction device |
| CN104445607A (en) * | 2014-11-07 | 2015-03-25 | 苏州君兰环保工程有限公司 | Wind chest desulfurization-integrated self-circulating anaerobic reactor |
| CN107720956A (en) * | 2017-10-25 | 2018-02-23 | 北京北华中清环境工程技术有限公司 | A kind of efficient double-cycling anaerobic reactor |
| CN110272120A (en) * | 2019-06-03 | 2019-09-24 | 光大环保技术研究院（南京）有限公司 | A kind of high efficiency anaerobic reactor |
-
2012
- 2012-06-20 CN CN2012202915406U patent/CN202658005U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701530A (en) * | 2012-06-20 | 2012-10-03 | 自贡市泉峰环保设备制造有限公司 | Double-circulation anaerobic reaction device |
| CN102701530B (en) * | 2012-06-20 | 2014-07-02 | 彭为光 | Double-circulation anaerobic reaction device |
| CN104445607A (en) * | 2014-11-07 | 2015-03-25 | 苏州君兰环保工程有限公司 | Wind chest desulfurization-integrated self-circulating anaerobic reactor |
| CN107720956A (en) * | 2017-10-25 | 2018-02-23 | 北京北华中清环境工程技术有限公司 | A kind of efficient double-cycling anaerobic reactor |
| CN110272120A (en) * | 2019-06-03 | 2019-09-24 | 光大环保技术研究院（南京）有限公司 | A kind of high efficiency anaerobic reactor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PENG WEIGUANG Free format text: FORMER OWNER: ZIGONG QUANFENG ENVIRONMENTAL PROT EQUIPMENT MFG CO., LTD. Effective date: 20130108 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130108 Address after: 643000 Zigong city of Sichuan Province, Ziliujing District osmanthus era homes a unit no. 3 Patentee after: Peng Weiguang Address before: 643000 Zigong city of Sichuan province Shu Ping Ziliujing District Industrial Zone B-01-2 Patentee before: Zigong Quanfeng Environmental Protection Equipment Manufacturing Co.,Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140702 |
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| RGAV | Abandon patent right to avoid regrant |