CN209872506U - Device for strengthening internal circulation of IC reactor - Google Patents
Device for strengthening internal circulation of IC reactor Download PDFInfo
- Publication number
- CN209872506U CN209872506U CN201822212213.7U CN201822212213U CN209872506U CN 209872506 U CN209872506 U CN 209872506U CN 201822212213 U CN201822212213 U CN 201822212213U CN 209872506 U CN209872506 U CN 209872506U
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- biogas
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- reactor
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- 238000005728 strengthening Methods 0.000 title abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000000926 separation method Methods 0.000 claims abstract description 31
- 230000001174 ascending effect Effects 0.000 claims abstract description 21
- 238000010992 reflux Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000012806 monitoring device Methods 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 12
- 239000010802 sludge Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a device for strengthening the internal circulation of an IC reactor, which comprises a gas-liquid separation unit, a methane collection unit and a methane circulating and conveying unit, wherein the gas-liquid separation unit is arranged above the methane collection unit, is provided with a methane pipe and is communicated with the methane circulating and conveying unit, and is provided with a downcomer for refluxing liquid to the methane collection unit; the biogas circulating and conveying unit comprises a biogas collecting tank and a biogas fan, the gas inlet end of the biogas collecting tank is communicated with the gas-liquid separation unit through a biogas pipe, the gas outlet end of the biogas collecting tank is communicated with the gas inlet end of the biogas fan, and the gas outlet end of the biogas fan is communicated with the ascending pipe through a gas stripping output pipe. The utility model discloses an increase marsh gas circulation conveying unit and pass through marsh gas fan circulation return riser with the marsh gas that anaerobic reactor produced, reinforce the air stripping effect, improve reactor inner loop flow rate, guarantee the good contact of anaerobism activated sludge and sewage.
Description
Technical Field
The utility model belongs to the technical field of anaerobic sewage treatment, and relates to a device for strengthening the internal circulation of an IC reactor.
Background
The IC reactor is a third-generation anaerobic reactor developed on the basis of an upflow sludge blanket anaerobic reactor, and is composed of an ascending pipe, a descending pipe, a three-phase separator, a gas-liquid separator, an overflow weir and the like, the IC reactor is generated by the difference of the gas contents in the ascending pipe and the descending pipe based on the gas lifting principle, is driven by the gas flow of the reactor, and the circulating flow proportion depends on the COD concentration of inlet water and can be automatically adjusted. The liquid in the reactor has higher ascending flow velocity, the ascending sludge in the reactor is in an expansion state, the reaction rate and the organic load capacity of the anaerobic reactor are improved, the concentration of sulfate and other toxic and harmful substances can be diluted by the effluent backflow of the downcomer, the sewage and the microorganisms can be fully contacted, the mass transfer effect is enhanced, the larger organic load can be borne, and certain dead angles and short flows in the reactor are effectively avoided.
The internal circulation process of the IC reactor refers to a process that the sewage is wrapped by the biogas generated in the anaerobic reaction process to form mixed liquid, the mixed liquid is lifted to a gas-liquid separator through an ascending pipe to realize the separation of the biogas and the sewage, and the separated sewage is circulated to a water distribution area of the reactor through a descending pipe. Usually, the flow state of sewage in the system can be strengthened by the internal circulation process, the contact between the sewage and sludge in the system is increased, but in the initial starting stage of the anaerobic reactor, or when the anaerobic reactor is used for refractory wastewater treatment, such as landfill leachate treatment, the gas yield of the system is small, the internal circulation quantity of the system is reduced, the internal circulation quantity of the system is unstable or discontinuous, the anaerobic removal effect is influenced, meanwhile, the hydraulic circulation in the reactor is also influenced, anaerobic activated sludge is hardened and accumulated in a water distribution area, the water distribution effect of the reactor is further influenced, and finally, the system is failed to start or is shut down.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the above-mentioned defect among the prior art, provide a device for strengthening IC reactor inner loop, can make the marsh gas resource that the utilization anaerobic reactor self that operating personnel can take the initiative produce carry out the air stripping and strengthen the inner loop, when improving system's air output not enough, to the harmful effects of reactor inner loop effect.
The technical scheme of the utility model is that: a device for strengthening internal circulation of an IC reactor comprises a gas-liquid separation unit, a biogas collection unit and a biogas circulating and conveying unit, wherein the gas-liquid separation unit is arranged above the biogas collection unit, is provided with a biogas pipe and is communicated with the biogas circulating and conveying unit, and is provided with a downcomer for refluxing liquid to the biogas collection unit; the methane collecting unit comprises an IC reactor, and a riser is arranged in the IC reactor and communicated with the gas-liquid separating unit; the biogas circulating and conveying unit comprises a biogas collecting tank and a biogas fan, wherein the gas inlet end of the biogas collecting tank is communicated with the gas-liquid separation unit through a biogas pipe, the gas outlet end of the biogas collecting tank is communicated with the gas inlet end of the biogas fan, and the gas outlet end of the biogas fan is communicated with the ascending pipe through a gas stripping output pipe.
The IC reactor is internally provided with a primary three-phase separator and a secondary three-phase separator from bottom to top in sequence, a primary three-phase separator ascending pipe is connected between the primary three-phase separator and the gas-liquid separation unit, a secondary three-phase separator ascending pipe is connected between the secondary three-phase separator and the gas-liquid separation unit, and the gas outlet end of the biogas fan is communicated with the primary three-phase separator ascending pipe.
The gas-liquid separation unit is provided with a methane external discharge pipe, a methane emptying discharge pipe and a separated methane monitoring device.
The descending pipe is provided with a storage elbow pipe, the storage elbow pipe is arranged above the secondary three-phase separator, and the storage elbow pipe is provided with an elbow pipe flowmeter.
And the bottom of the IC reactor is provided with a water distribution cover which is arranged below the outlet of the downcomer.
The biogas collection tank is provided with a recycled biogas monitoring device, a filter and a dryer, and the filter and the dryer are arranged at the gas outlet end of the biogas collection tank.
The gas-stripping output pipe is provided with a check valve.
The gas-liquid separation unit and the methane collection unit are made of corrosion-resistant materials.
After the structure above the adoption, the utility model is used for strengthening device of IC reactor inner loop through increasing marsh gas circulation conveying unit with the marsh gas that anaerobic reactor produced through marsh gas fan circulation return riser, has guaranteed the stability and the continuity of system's inner loop volume, has strengthened the air stripping effect, improves reactor inner loop flow rate, and the good contact of anaerobism activated sludge and sewage is guaranteed to the reinforcing circulation effect, avoids anaerobism activated sludge to pile up in the water distribution district and hardens.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for enhancing the internal circulation of an IC reactor according to the present invention.
In the figure: 1-an IC reactor; 2-water distribution cover; 3-a downcomer; 4-a first-stage three-phase separator riser; 5-a second three-phase separator riser; 6-first three-phase separator; 7-a two-stage three-phase separator; 8-a gas-liquid separation unit; 9-trap; 10-switching the valve; 11-elbow meter; 12-a separated biogas monitoring device; 13-biogas pipe; 14-a biogas collection tank; 15-gas collection flow meter; 16-a methane output pipe; 17-discharging pipes outside the biogas tank; 18-a recycled biogas monitoring device; 19-a dryer; 20-a filter; 21-a biogas fan; 22-an outlet gas flow meter; 23-gas stripping output pipe; 24-check valve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention, taken in conjunction with the accompanying drawings and the detailed description, is given in a non-limiting manner.
The device for strengthening the internal circulation of the IC reactor comprises a gas-liquid separation unit 8, a methane collection unit and a methane circulating and conveying unit, wherein the gas-liquid separation unit 8 is arranged above the methane collection unit, the gas-liquid separation unit 8 is provided with a methane pipe 13 communicated with the methane circulating and conveying unit, and a downcomer 3 is arranged to enable liquid to flow back to the methane collection unit; the biogas collection unit comprises an IC reactor 1, and a riser is arranged in the IC reactor 1 and is communicated with the gas-liquid separation unit 8; the biogas circulating and conveying unit comprises a biogas collecting tank 14 and a biogas fan 21, wherein the gas inlet end of the biogas collecting tank 14 is communicated with the gas-liquid separation unit 8 through a biogas pipe 13, the biogas pipe 13 is provided with a gas collection flowmeter 15, the gas outlet end of the biogas collecting tank 14 is communicated with the gas inlet end of the biogas fan 21, and the gas outlet end of the biogas fan 21 is communicated with the ascending pipe through a gas stripping output pipe 23.
The utility model discloses when concrete implementation, from supreme one-level three-phase separator 6 and the second grade three-phase separator 7 of setting gradually down in the IC reactor 1, the tedge includes the tedge of two parts, connect one-level three-phase separator tedge 4 between one-level three-phase separator 6 and the gas-liquid separation unit 8, connect second grade three-phase separator tedge 5 between second grade three-phase separator 7 and the gas-liquid separation unit 8, the end of giving vent to anger of marsh gas fan 21 passes through gas stripping output tube 23 and the 4 intercommunications of one-level three-phase separator tedge, set up air flowmeter 22 and check valve 24 on the gas stripping output tube 23. The gas-liquid separation unit 8 is provided with a methane external discharge pipe, a methane emptying discharge pipe and a separated methane monitoring device 12. The descending pipe 3 is provided with a storage elbow 9, the storage elbow 9 is arranged above the secondary three-phase separator 7, the storage elbow 9 is provided with an elbow flowmeter 11, and the descending pipe 3 is provided with a switch valve 10. The bottom of the IC reactor 1 is provided with a water distribution cover 2, and the water distribution cover 2 is arranged below the outlet of the downcomer 3. The biogas collection tank 14 is provided with a recycled biogas monitoring device 18, a biogas output pipe 16, a biogas tank output pipe 17, a filter 20 and a dryer 19, and the filter 20 and the dryer 19 are arranged at the gas outlet end of the biogas collection tank 14. The gas-liquid separation unit 8 and the methane collection unit are made of corrosion-resistant materials.
When the IC reactor 1 normally works, biogas passes through the first-stage three-phase separator 6 and the second-stage three-phase separator 7, is collected, is carried with sewage under the action of air stripping and is conveyed to the gas-liquid separation unit 8 through the first-stage three-phase separator ascending pipe 4 and the second-stage three-phase separator ascending pipe 5 for gas-liquid separation, and the separated sewage flows back into the water distribution cover 2 through the descending pipe 3 to complete the internal circulation process. The generated marsh gas is continuously collected into a marsh gas collecting tank 14 through a marsh gas pipe 13, the marsh gas collecting tank 14 realizes the stable pressure collection of the marsh gas through a recovered marsh gas monitoring device 18, and the redundant marsh gas is sent out through a marsh gas output pipe 16. When the internal circulation flow monitored by an operator or the system automatically is insufficient and the gas stripping circulation system needs to be started, the biogas fan 21 is started, biogas is sucked out from the biogas collection tank 14 at a certain flow rate, and is input into the first-stage three-phase separator ascending pipe 4 through the biogas dryer 19, the filter 20 and the gas outlet flow meter 22 in sequence, and a check valve 24 is further arranged on the gas stripping output pipe 23 in order to prevent the gas from flowing back to the biogas fan 21. The methane conveyed back to the ascending pipe by the methane fan 21 improves the gas flow in the ascending pipe, drives more sewage to enter the gas-liquid separation unit 8, forms larger internal circulation amount, improves the ascending flow rate of the reactor, enables the wastewater in the reactor to be more fully contacted with granular sludge, and simultaneously enables the reflux liquid to further dilute the water to further enhance the shock resistance of the system.
It should be noted that the above-mentioned preferred embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, and the protection scope of the present invention cannot be limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. An apparatus for enhancing circulation in an IC reactor, comprising: the biogas collecting device comprises a gas-liquid separation unit, a biogas collecting unit and a biogas circulating conveying unit, wherein the gas-liquid separation unit is arranged above the biogas collecting unit, is provided with a biogas pipe communicated with the biogas circulating conveying unit, and is provided with a downcomer for refluxing liquid to the biogas collecting unit; the methane collecting unit comprises an IC reactor, and a riser is arranged in the IC reactor and communicated with the gas-liquid separating unit; the biogas circulating and conveying unit comprises a biogas collecting tank and a biogas fan, wherein the gas inlet end of the biogas collecting tank is communicated with the gas-liquid separation unit through a biogas pipe, the gas outlet end of the biogas collecting tank is communicated with the gas inlet end of the biogas fan, and the gas outlet end of the biogas fan is communicated with the ascending pipe through a gas stripping output pipe.
2. The apparatus of claim 1, wherein: the IC reactor is internally provided with a primary three-phase separator and a secondary three-phase separator from bottom to top in sequence, a primary three-phase separator ascending pipe is connected between the primary three-phase separator and the gas-liquid separation unit, a secondary three-phase separator ascending pipe is connected between the secondary three-phase separator and the gas-liquid separation unit, and the gas outlet end of the biogas fan is communicated with the primary three-phase separator ascending pipe.
3. The apparatus of claim 1, wherein: the gas-liquid separation unit is provided with a methane external discharge pipe, a methane emptying discharge pipe and a separated methane monitoring device.
4. The apparatus of claim 2, wherein: the descending pipe is provided with a storage elbow pipe, the storage elbow pipe is arranged above the secondary three-phase separator, and the storage elbow pipe is provided with an elbow pipe flowmeter.
5. The apparatus of claim 1, wherein: and the bottom of the IC reactor is provided with a water distribution cover which is arranged below the outlet of the downcomer.
6. The apparatus of claim 1, wherein: the biogas collection tank is provided with a recycled biogas monitoring device, a filter and a dryer, and the filter and the dryer are arranged at the gas outlet end of the biogas collection tank.
7. The apparatus of claim 1, wherein: the gas-stripping output pipe is provided with a check valve.
8. The apparatus of claim 1, wherein: the gas-liquid separation unit and the methane collection unit are made of corrosion-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212213.7U CN209872506U (en) | 2018-12-27 | 2018-12-27 | Device for strengthening internal circulation of IC reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822212213.7U CN209872506U (en) | 2018-12-27 | 2018-12-27 | Device for strengthening internal circulation of IC reactor |
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| Publication Number | Publication Date |
|---|---|
| CN209872506U true CN209872506U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822212213.7U Active CN209872506U (en) | 2018-12-27 | 2018-12-27 | Device for strengthening internal circulation of IC reactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN209872506U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763106A (en) * | 2020-07-15 | 2020-10-13 | 安徽大学 | Construction mode of green energy ecological town |
| CN113387439A (en) * | 2021-05-17 | 2021-09-14 | 广西博世科环保科技股份有限公司 | Deep denitrification system device and denitrification process for high ammonia nitrogen wastewater |
-
2018
- 2018-12-27 CN CN201822212213.7U patent/CN209872506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763106A (en) * | 2020-07-15 | 2020-10-13 | 安徽大学 | Construction mode of green energy ecological town |
| CN113387439A (en) * | 2021-05-17 | 2021-09-14 | 广西博世科环保科技股份有限公司 | Deep denitrification system device and denitrification process for high ammonia nitrogen wastewater |
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Address after: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee after: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: 530007 12 Kexing Road, hi tech Zone, Nanning, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240429 Address after: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee after: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region after: China Patentee after: Guangxi Boshike Environmental Technology Co.,Ltd. Address before: 242300 intersection of Dongcheng Avenue and Dongcheng Road, heli Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Patentee before: Anhui Boshike Environmental Protection Technology Co.,Ltd. Country or region before: China |