CN204779030U - Vertical multistage is from gas lift circulation anaerobism bioreactor - Google Patents
Vertical multistage is from gas lift circulation anaerobism bioreactor Download PDFInfo
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- CN204779030U CN204779030U CN201520337728.3U CN201520337728U CN204779030U CN 204779030 U CN204779030 U CN 204779030U CN 201520337728 U CN201520337728 U CN 201520337728U CN 204779030 U CN204779030 U CN 204779030U
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- type casing
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Abstract
The utility model provides a vertical multistage is from gas lift circulation anaerobism bioreactor, includes the barrel -type casing, radially sets up the polylith baffle of taking the gas pocket in the cavity of barrel -type casing, separates into a plurality of conversion zones with the cavity of barrel -type casing, all is provided with inlet tube and outlet pipe on the bottom lateral wall of conversion zone and the top lateral wall, goes up the outlet pipe and the inlet tube switch -on of first order reaction section down of first order reaction section, be provided with in each conversion zone by being fixed in the air chamber that the conversion zone top constitutes with the coaxial first cavity column body one end of barrel -type casing, the conversion zone top middle part of the barrel -type casing the superiors is provided with the pipeline of giving vent to anger, and the gas pocket at the pipeline of giving vent to anger, each conversion zone baffle middle part and the middle part cavity of barrel -type casing constitute airflow channel. Because the partition of baffle, the microorganism population of each conversion zone is inequality, can keep respective advantage fungus crowd to maintain higher sludge concentration, the marsh gas of sewage production simultaneously carries out automatic stirring to each conversion zone, can make the interior material of each conversion zone obtain abundant mixture, improves reaction efficiency.
Description
Technical field
The utility model belongs to sewage treatment equipment technical field, particularly relates to a kind of vertical multistage from air-lift loop anaerobic biological reactor.
Background technology
Along with developing rapidly of modern industry, quantity discharged and the sewage kind of sewage all present swift and violent growth.In organic waste water, organic concentration is higher, and composition is more complicated, even containing the organic components that part is poisonous, and serious vision and sense of smell can be caused to pollute.
At present, the anaerobic reactor of comparatively conventional process organic waste water comprises: anaerobic filter, UASB reactor, upflow anaerobic sludge blanket reactor, anaerobic internal circulation reactor etc., a large amount of funds and place are all invested, there is longer sludge age, and in reactor, delay has a large amount of microorganisms, has carried out purifying treatment to a certain extent to organic waste water.
But the sludge concentration in reactor is uneven, and microbe species is mixed in together, very difficult construction is suitable for the best effort environment of various microorganism, is not easy to different microorganisms and plays corresponding function.
Utility model content
The purpose of this utility model is to provide and a kind of can keep each conversion zone dominant microflora and can complete corresponding function, each conversion zone is all maintained compared with high sludge concentration and the vertical multistage mixed from air-lift loop anaerobic biological reactor.
Technical solution of the present utility model is: this vertical multistage is from air-lift loop anaerobic biological reactor, comprise barrel-type casing, its special character is, in the cavity of described barrel-type casing, radial direction is provided with the polylith dividing plate of band pore, the cavity of described barrel-type casing is separated into multiple conversion zone by dividing plate described in polylith, the bottom sidewall of each conversion zone and top sidewall are provided with water inlet pipe and rising pipe respectively, and the water inlet pipe of the rising pipe of upper level conversion zone and next stage conversion zone is connected and is formed water stream channel, the inwall of the corresponding rising pipe position of each conversion zone is provided with the annular effluent weir matched with barrel-type casing cross section, be provided with air chamber in each conversion zone, described air chamber is fixed on conversion zone top by first hollow column one end coaxial with described barrel-type casing and forms, and the lowermost end of described air chamber is lower than the apical position of effluent weir annular in corresponding conversion zone, guide shell is provided with in each conversion zone, described guide shell comprises hollow round table and second hollow column fixing with described hollow round table upper bottom surface, described hollow round table bottom surface is higher than the water inlet pipe in corresponding conversion zone, the top of the second hollow column is higher than the lowermost end of described air chamber, and the diameter of described first hollow column is greater than the diameter of described second hollow column, the conversion zone top middle portion of the described barrel-type casing the superiors is provided with outlet pipe, and the middle part cavity of the pore in the middle part of described outlet pipe, each conversion zone dividing plate and barrel-type casing forms gas channel.
As preferably: the lowermost end of described air chamber is lower than described 50 ~ 200 centimetres, annular effluent weir top, and the top of described guide shell is lower than described 10 ~ 150 centimetres, annular effluent weir top; The diameter of described first hollow column is 30% ~ 60% of described barrel-type casing diameter, and the diameter of described second hollow column is 30% ~ 70% of described first hollow column diameter.
As preferably: be provided with the annular disc that spoke length is 5 ~ 15 centimetres in each described conversion zone, described annular disc is located on the barrel-type casing inwall between described guide shell lowermost end and water inlet pipe, and the bottom surface of described hollow round table is apart from described annular disc 5 ~ 20 centimetres.
As preferably: the sidewall of described hollow round table and the sidewall of barrel-type casing are 30 ~ 45 degree of angles, and the spacing of the bottom surface of described hollow round table and the inwall of barrel-type casing is 3 ~ 10 centimetres.
As preferably: comprise 2 ~ 4 conversion zones in the cavity of described barrel-type casing.
Another technical solution of the present utility model is: this vertical multistage is from air-lift loop anaerobic biological reactor, comprise barrel-type casing, its special character is, in the cavity of described barrel-type casing, radial direction is provided with polylith dividing plate, the cavity of described barrel-type casing is separated into multiple conversion zone by dividing plate described in polylith, the bottom sidewall of each conversion zone and top sidewall are provided with water inlet pipe and rising pipe respectively, and the water inlet pipe of the rising pipe of upper level conversion zone and next stage conversion zone is connected and is formed water stream channel, the inwall of the corresponding rising pipe position of each conversion zone is provided with the annular effluent weir matched with barrel-type casing cross section, be provided with air chamber in each conversion zone, described air chamber is fixed on conversion zone top by first hollow column one end coaxial with described barrel-type casing and forms, and the lowermost end of described air chamber is lower than the apical position of effluent weir annular in corresponding conversion zone, guide shell is provided with in each conversion zone, described guide shell comprises hollow round table and second hollow column fixing with described hollow round table upper bottom surface, described hollow round table bottom surface is higher than the water inlet pipe in corresponding conversion zone, the top of the second hollow column is higher than the lowermost end of described air chamber, and the diameter of described first hollow column is greater than the diameter of described second hollow column, each conversion zone top sidewall and bottom sidewall are provided with air outlet and inlet mouth respectively, and lowest layer conversion zone and most top layer conversion zone set out gas port and inlet mouth respectively, connect through pipeline between the air outlet of next stage conversion zone and the inlet mouth of upper level conversion zone, and valve is set on pipeline, the pipeline connecting described air outlet extends in the middle part of cavity to be connected as described first hollow column, and described conversion zone center bottom is provided with aeration tube and described inlet mouth is connected, the conversion zone top middle portion of the described barrel-type casing the superiors is provided with outlet pipe, and the aerated conduit that the air outlet of described next stage conversion zone, the inlet mouth of upper level conversion zone and the pipeline of connection and aeration tube are formed, the middle part cavity of barrel-type casing and outlet pipe form gas channel.
As preferably: the lowermost end of described air chamber is lower than described 50 ~ 200 centimetres, annular effluent weir top, and the top of described guide shell is lower than described 10 ~ 150 centimetres, annular effluent weir top; The diameter of described first hollow column is 30% ~ 60% of described barrel-type casing diameter, and the diameter of described second hollow column is 30% ~ 70% of described first hollow column diameter.
As preferably: be provided with the annular disc that spoke length is 5 ~ 15 centimetres in each described conversion zone, described annular disc is located on the barrel-type casing inwall between described guide shell lowermost end and water inlet pipe, and the bottom surface of described hollow round table is apart from described annular disc 5 ~ 20 centimetres.
As preferably: the sidewall of described hollow round table and the sidewall of barrel-type casing are 30 ~ 45 degree of angles, and the spacing of the bottom surface of described hollow round table and the inwall of barrel-type casing is 3 ~ 10 centimetres.
As preferably: comprise 2 ~ 4 conversion zones in the cavity of described barrel-type casing.
Compared with prior art, the beneficial effects of the utility model:
This vertical multistage is from air-lift loop anaerobic biological reactor, adopt dividing plate that its inner chamber is separated into multiple conversion zone, and water inlet pipe and rising pipe are set at each conversion zone, process water the rising pipe of upper level conversion zone and the water inlet pipe of next stage conversion zone connected, so can form a multistage circulation at inside reactor; And the microbial population of each conversion zone is not identical, flora of can keeping on top in each conversion zone, thus complete corresponding function.Due to the separation of dividing plate, the current of upper level conversion zone can enter into next stage conversion zone, and the biogas utilizing anaerobic reaction to produce carries out automatic stirring to each conversion zone, power need not be provided in outside, the water in each conversion zone can be made fully to mix with mud, maintain higher sludge concentration, thus substantially increase the ability of biochemical reaction efficiency and organics removal.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the vertical multistage of the utility model from air-lift loop anaerobic biological reactor one embodiment;
Fig. 2 is the one-piece construction schematic diagram of the vertical multistage of the utility model from another embodiment of air-lift loop anaerobic biological reactor.
Primary clustering nomenclature:
Barrel-type casing 10, dividing plate 12, pore 122, conversion zone 14, water inlet pipe 141, rising pipe 142, air chamber 143, first hollow column 1432, annular effluent weir 144, annular disc 145, air outlet 146, inlet mouth 147, pipeline 148, valve 149, aeration tube 150, outlet pipe 16, guide shell 18, hollow round table 182, the second hollow column 184.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 shows the first embodiment of the present utility model.
Refer to shown in Fig. 1, this vertical multistage is from air-lift loop anaerobic biological reactor, comprise barrel-type casing 10, in the cavity of barrel-type casing 10, radial direction is provided with the polylith dividing plate 12 of band pore 122, the cavity of barrel-type casing 10 is separated into multiple conversion zone 14 by polylith dividing plate 12, the bottom sidewall of each conversion zone 14 and top sidewall are provided with water inlet pipe 141 and rising pipe 142 respectively, and the rising pipe 142 of upper level conversion zone 14 is connected with the water inlet pipe 141 of next stage conversion zone 14 and is formed water stream channel, the inwall of each conversion zone 14 corresponding rising pipe 142 position is provided with the annular effluent weir 144 matched with barrel-type casing 10 cross section, be provided with air chamber 143 in each conversion zone 14, air chamber 143 is fixed on conversion zone 14 top by first hollow column 1432 one end coaxial with barrel-type casing 10 and forms, and the lowermost end of air chamber 143 is lower than the apical position of annular effluent weir in corresponding conversion zone 14, guide shell 18 is provided with in each conversion zone 14, guide shell 18 comprises hollow round table 182 and second hollow column 184 fixing with hollow round table 182 upper bottom surface, hollow round table 182 bottom surface is higher than the water inlet pipe 141 in corresponding conversion zone 14, the top of the second hollow column 184 is higher than the lowermost end of air chamber 143, and the diameter of the first hollow column 1432 is greater than the diameter of the second hollow column 184, conversion zone 14 top middle portion of barrel-type casing 10 the superiors is provided with outlet pipe 16, and the middle part cavity of the pore 122 in the middle part of outlet pipe 16, each conversion zone 14 dividing plate 12 and barrel-type casing 10 forms gas channel.
Principle of work: the sewage that need process enters in conversion zone 14 through the water inlet pipe 141 of first step conversion zone 14, the sewage processed in first order reaction section 14 is discharged by the rising pipe 142 of first step conversion zone 14, next stage conversion zone 14 is entered again, until discharge whole water by the conversion zone 14 of last step by the water-in of next stage conversion zone 14; In each conversion zone 14, microbial population is not identical, and flora of can keeping on top separately, completes corresponding function.Due to the separation of dividing plate 12, each conversion zone 14 all maintains higher sludge concentration; Simultaneously, the biogas utilizing anaerobic reaction to produce is discharged step by step by the pore 122 of conversion zone 14 dividing plate 12 of last step, until discharge from outlet pipe 16, the flowing of biogas can be utilized to carry out automatic stirring to the sewage in each conversion zone 14, do not need to apply outer power and cocoa makes material in each conversion zone 14 be mixed fully, improve reaction efficiency.
Guide shell 18 can play the effect of water conservancy diversion, sewage is after water inlet pipe 141 enters conversion zone 14, the top being risen to the second hollow column 184 by the hollow round table 182 bottom guide shell 18 gradually does not go out, flowed out by the passage formed between the first hollow column 1432 and the second hollow column 184, finally flow out through rising pipe 142.Annular effluent weir 144 1 aspect can control the elevation of water surface in conversion zone 14, can be uniformly distributed the current in conversion zone 14 on the other hand, thus make sewage evenly be expelled to rising pipe 142.
In the present embodiment, the lowermost end of air chamber 143 is lower than annular 50 ~ 200 centimetres, effluent weir 144 top, and the top of guide shell 18 is lower than annular 10 ~ 150 centimetres, effluent weir 144 top; The diameter of the first hollow column 1432 is the diameter of the 30% ~ 60%, second hollow column 184 of barrel-type casing 10 diameter is 30% ~ 70% of the first hollow column 1432 diameter.
In the present embodiment, the annular disc 145 that spoke length is 5 ~ 15 centimetres is provided with in each conversion zone 14, annular disc 145 is located on barrel-type casing 10 inwall between guide shell 18 lowermost end and water inlet pipe 141, and guide shell 18 lowermost end distance annular disc 145 is 2 ~ 20 centimetres.Annular disc 145 can be formed and block above water inlet pipe 141, prevents the water inlet of hydraulic pressure to water inlet pipe 141 above water inlet pipe 141 from impacting.
In the present embodiment, the sidewall of hollow round table 182 and the sidewall of barrel-type casing 10 are 30 ~ 45 degree of angles.
In the present embodiment, the spacing of the inwall of guide shell 18 lowermost end and barrel-type casing 10 is 3 ~ 10 centimetres.
In the present embodiment, in the cavity of barrel-type casing 10, comprise 2 ~ 4 conversion zones 14.
Fig. 2 shows the second embodiment of the present utility model.
Refer to shown in Fig. 2, the difference of this embodiment and the first embodiment is, pore 122 all do not offered by the dividing plate 12 of separation inner chamber, but be provided with air outlet 146 and inlet mouth 147 respectively at each conversion zone 14 top sidewall and bottom sidewall, and lowest layer conversion zone 14 and most top layer conversion zone 14 enter to set out gas port 146 and inlet mouth 147 respectively; Connect through pipeline 148 between the air outlet 146 of next stage conversion zone 14 and the inlet mouth 147 of upper level conversion zone 14, and valve 149 is set on pipeline 148; The pipeline 148 connecting air outlet 146 extends in the middle part of cavity to be connected as the first hollow column 1432, conversion zone 14 center bottom is provided with aeration tube 150 and connects with inlet mouth 147, and the aerated conduit that the air outlet 146 of next stage conversion zone, the inlet mouth 147 of upper level conversion zone and the pipeline 148 connected and aeration tube 150 are formed, the middle part cavity of barrel-type casing 10 and outlet pipe 16 form gas channel.The structure of other parts is identical with previous embodiment, omits herein.
Principle of work: the sewage that need process enters in conversion zone 14 through the water inlet pipe 141 of first step conversion zone 14, the sewage processed in first order reaction section 14 is discharged by the rising pipe 142 of first step conversion zone 14, next stage conversion zone 14 is entered again, until discharge whole water by the conversion zone 14 of last step by the water-in of next stage conversion zone 14; In each conversion zone 14, microbial population is not identical, and flora of can keeping on top separately, completes corresponding function.Due to the separation of dividing plate 12, each conversion zone 14 all maintains higher sludge concentration, simultaneously, the biogas utilizing anaerobic reaction to produce is by the air outlet 146 of the conversion zone 14 of last step, pipeline 148, the inlet mouth 147 of upper level conversion zone 14 enters into upper level conversion zone 14, its air outlet 146 is risen to from the inner chamber of upper level conversion zone 14, repetition like this, until arrive in first step conversion zone 14, the outlet pipe 16 finally arranged by first step conversion zone 14 top is discharged, the flowing of biogas can be utilized to carry out automatic stirring to the sewage in each conversion zone 14, do not need to apply outer power and cocoa makes material in each conversion zone 14 be mixed fully, improve reaction efficiency.
The biogas that sewage generates be expelled in the middle part of cavity stirring dynamics that outlet pipe 16 formed each conversion zone 14 inadequate time, biogas can strengthen the stirring dynamics of biogas through aeration tube 150; Valve 149 can control the break-make of inlet mouth 147 and air outlet 146 simultaneously, and when valve 149 is closed, aeration tube 150 does not act on, identical with the first embodiment; When valve 149 is opened, aeration tube 150 works.
The foregoing is only preferred embodiment of the present utility model, all equalizations done according to the utility model right change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1. a vertical multistage is from air-lift loop anaerobic biological reactor, comprise barrel-type casing, it is characterized in that, in the cavity of described barrel-type casing, radial direction is provided with the polylith dividing plate of band pore, the cavity of described barrel-type casing is separated into multiple conversion zone by dividing plate described in polylith, the bottom sidewall of each conversion zone and top sidewall are provided with water inlet pipe and rising pipe respectively, and the water inlet pipe of the rising pipe of upper level conversion zone and next stage conversion zone is connected and is formed water stream channel, the inwall of the corresponding rising pipe position of each conversion zone is provided with the annular effluent weir matched with barrel-type casing cross section, be provided with air chamber in each conversion zone, described air chamber is fixed on conversion zone top by first hollow column one end coaxial with described barrel-type casing and forms, and the lowermost end of described air chamber is lower than the apical position of effluent weir annular in corresponding conversion zone, guide shell is provided with in each conversion zone, described guide shell comprises hollow round table and second hollow column fixing with described hollow round table upper bottom surface, described hollow round table bottom surface is higher than the water inlet pipe in corresponding conversion zone, the top of the second hollow column is higher than the lowermost end of described air chamber, and the diameter of described first hollow column is greater than the diameter of described second hollow column, the conversion zone top middle portion of the described barrel-type casing the superiors is provided with outlet pipe, and the middle part cavity of the pore in the middle part of described outlet pipe, each conversion zone dividing plate and barrel-type casing forms gas channel.
2. vertical multistage according to claim 1 is from air-lift loop anaerobic biological reactor, it is characterized in that, the lowermost end of described air chamber is lower than described 50 ~ 200 centimetres, annular effluent weir top, and the top of described guide shell is lower than described 10 ~ 150 centimetres, annular effluent weir top; The diameter of described first hollow column is 30% ~ 60% of described barrel-type casing diameter, and the diameter of described second hollow column is 30% ~ 70% of described first hollow column diameter.
3. vertical multistage according to claim 2 is from air-lift loop anaerobic biological reactor, it is characterized in that, the annular disc that spoke length is 5 ~ 15 centimetres is provided with in each described conversion zone, described annular disc is located on the barrel-type casing inwall between described guide shell lowermost end and water inlet pipe, and the bottom surface of described hollow round table is apart from described annular disc 5 ~ 20 centimetres.
4. vertical multistage according to claim 3 is from air-lift loop anaerobic biological reactor, it is characterized in that, the sidewall of described hollow round table and the sidewall of barrel-type casing are 30 ~ 45 degree of angles, and the spacing of the bottom surface of described hollow round table and the inwall of barrel-type casing is 3 ~ 10 centimetres.
5. the vertical multistage according to claim 1-4 any one, from air-lift loop anaerobic biological reactor, is characterized in that, comprises 2 ~ 4 conversion zones in the cavity of described barrel-type casing.
6. a vertical multistage is from air-lift loop anaerobic biological reactor, comprise barrel-type casing, it is characterized in that, in the cavity of described barrel-type casing, radial direction is provided with polylith dividing plate, the cavity of described barrel-type casing is separated into multiple conversion zone by dividing plate described in polylith, the bottom sidewall of each conversion zone and top sidewall are provided with water inlet pipe and rising pipe respectively, and the water inlet pipe of the rising pipe of upper level conversion zone and next stage conversion zone is connected and is formed water stream channel, the inwall of the corresponding rising pipe position of each conversion zone is provided with the annular effluent weir matched with barrel-type casing cross section, be provided with air chamber in each conversion zone, described air chamber is fixed on conversion zone top by first hollow column one end coaxial with described barrel-type casing and forms, and the lowermost end of described air chamber is lower than the apical position of effluent weir annular in corresponding conversion zone, guide shell is provided with in each conversion zone, described guide shell comprises hollow round table and second hollow column fixing with described hollow round table upper bottom surface, described hollow round table bottom surface is higher than the water inlet pipe in corresponding conversion zone, the top of the second hollow column is higher than the lowermost end of described air chamber, and the diameter of described first hollow column is greater than the diameter of described second hollow column, each conversion zone top sidewall and bottom sidewall are provided with air outlet and inlet mouth respectively, and lowest layer conversion zone and most top layer conversion zone set out gas port and inlet mouth respectively, connect through pipeline between the air outlet of next stage conversion zone and the inlet mouth of upper level conversion zone, and valve is set on pipeline, the pipeline connecting described air outlet extends in the middle part of cavity to be connected as described first hollow column, and described conversion zone center bottom is provided with aeration tube and described inlet mouth is connected, the conversion zone top middle portion of the described barrel-type casing the superiors is provided with outlet pipe, and the aerated conduit that the air outlet of described next stage conversion zone, the inlet mouth of upper level conversion zone and the pipeline of connection and aeration tube are formed, the middle part cavity of barrel-type casing and outlet pipe form gas channel.
7. vertical multistage according to claim 6 is from air-lift loop anaerobic biological reactor, it is characterized in that, the lowermost end of described air chamber is lower than described 50 ~ 200 centimetres, annular effluent weir top, and the top of described guide shell is lower than described 10 ~ 150 centimetres, annular effluent weir top; The diameter of described first hollow column is 30% ~ 60% of described barrel-type casing diameter, and the diameter of described second hollow column is 30% ~ 70% of described first hollow column diameter.
8. vertical multistage according to claim 7 is from air-lift loop anaerobic biological reactor, it is characterized in that, the annular disc that spoke length is 5 ~ 15 centimetres is provided with in each described conversion zone, described annular disc is located on the barrel-type casing inwall between described guide shell lowermost end and water inlet pipe, and the bottom surface of described hollow round table is apart from described annular disc 5 ~ 20 centimetres.
9. vertical multistage according to claim 8 is from air-lift loop anaerobic biological reactor, it is characterized in that, the sidewall of described hollow round table and the sidewall of barrel-type casing are 30 ~ 45 degree of angles, and the spacing of the bottom surface of described hollow round table and the inwall of barrel-type casing is 3 ~ 10 centimetres.
10. the vertical multistage according to claim 6-9 any one, from air-lift loop anaerobic biological reactor, is characterized in that, comprises 2 ~ 4 conversion zones in the cavity of described barrel-type casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337728.3U CN204779030U (en) | 2015-05-22 | 2015-05-22 | Vertical multistage is from gas lift circulation anaerobism bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520337728.3U CN204779030U (en) | 2015-05-22 | 2015-05-22 | Vertical multistage is from gas lift circulation anaerobism bioreactor |
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| CN204779030U true CN204779030U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520337728.3U Withdrawn - After Issue CN204779030U (en) | 2015-05-22 | 2015-05-22 | Vertical multistage is from gas lift circulation anaerobism bioreactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944574A (en) * | 2015-05-22 | 2015-09-30 | 深圳市清研环境科技有限公司 | Vertical multi-zone self-airlift circular current anaerobic bioreactor and application method thereof |
| CN106006937A (en) * | 2016-07-19 | 2016-10-12 | 环境保护部南京环境科学研究所 | Denitrification wastewater treatment tank |
-
2015
- 2015-05-22 CN CN201520337728.3U patent/CN204779030U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944574A (en) * | 2015-05-22 | 2015-09-30 | 深圳市清研环境科技有限公司 | Vertical multi-zone self-airlift circular current anaerobic bioreactor and application method thereof |
| CN106006937A (en) * | 2016-07-19 | 2016-10-12 | 环境保护部南京环境科学研究所 | Denitrification wastewater treatment tank |
| CN106006937B (en) * | 2016-07-19 | 2019-05-07 | 环境保护部南京环境科学研究所 | Denitrification treatment tank |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20170517 |
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| AV01 | Patent right actively abandoned |