CN204162505U - A kind of built-in zero-valent iron anaerobic reactor - Google Patents
A kind of built-in zero-valent iron anaerobic reactor Download PDFInfo
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- CN204162505U CN204162505U CN201420508592.3U CN201420508592U CN204162505U CN 204162505 U CN204162505 U CN 204162505U CN 201420508592 U CN201420508592 U CN 201420508592U CN 204162505 U CN204162505 U CN 204162505U
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model provides a kind of built-in zero-valent iron anaerobic reactor, comprises cylindrical reactor body, is disposed with wastewater influent water distributor, Zero-valent Iron biologic packing material layer, the biological filter bed of material and triphase separator in reactor body from bottom to top; Described wastewater influent water distributor is connected with intake pump by inlet channel; Be sludge bulking district between described wastewater influent water distributor and Zero-valent Iron biologic packing material floor, being up-flow mud district between described Zero-valent Iron biologic packing material floor and the biological filter bed of material, is gas-liquid-solid disengaging zone above the described biological filter bed of material; Described up-flow mud district side first circulating line is connected with the sludge bulking district near wastewater influent water distributor with the first recycle pump, wherein the connecting portion place in sludge bulking district is provided with the first pulse water distributing device.Zero-valent Iron responding layer described in the utility model can reinforced anaerobic microbiological treatment effect, solves existing anaerobic reactor long for start time, and methane phase efficiency low and iron bed such as easily to harden at the problem.
Description
Technical field
The utility model relates to a kind of water treating equipment, particularly a kind of built-in zero-valent anaerobic reactor.
Background technology
Developing rapidly of the industry such as chemical industry, oil, printing and dyeing, weaving creates a large amount of high densitys, the trade effluent of difficult degradation, as dealt with improperly, not only causes high risks to environment, brings about great losses also to economy and society.Anaerobism sewage disposal is as one of technique the most promising in sewage disposal, its principle is exactly under anaerobic state, organism in sewage is decomposed by anaerobic bacterium, and the organic content in sewage is significantly reduced, and anaerobism sewage disposal is that one is purified waste water effective bioremediation.Anaerobic treatment is relative to the feature of aerobic treatment: 1, in Anaerobic treatment technique not for microorganism provides the blast aerator of oxygen, a large amount of energy consumptions can be reduced, simultaneously while a large amount of organics removal, anaerobic treatment process also can produce with a large amount of biogas; 2, anaerobism can be degraded or Partial digestion to some organism that aerobic microbiological can not be degraded.
But, following subject matter is still there is: start time is long, methane phase is slow, environmental sensibility is high as the anaerobic reactor used in anaerobism sewage disposal, shock resistance is weak, the shortcomings such as operation stability difference, when especially processing high density, indegradable industrial effluent, effect can not be guaranteed especially.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of built-in zero-valent iron anaerobic reactor, solves anaerobic reactor long for start time, and methane phase efficiency low and iron bed such as easily to harden at the problem.
The utility model solves the technical scheme that its technical problem adopts: a kind of built-in zero-valent iron anaerobic reactor, comprise cylindrical reactor body, in reactor body, be disposed with wastewater influent water distributor, Zero-valent Iron biologic packing material layer, the biological filter bed of material and triphase separator from bottom to top; Described wastewater influent water distributor is connected with intake pump by inlet channel; Be sludge bulking district between described wastewater influent water distributor and Zero-valent Iron biologic packing material floor, being up-flow mud district between described Zero-valent Iron biologic packing material floor and the biological filter bed of material, is gas-liquid-solid disengaging zone above the described biological filter bed of material; Described up-flow mud district side first circulating line is connected with the sludge bulking district near wastewater influent water distributor with the first recycle pump, wherein the connecting portion place in sludge bulking district is provided with the first pulse water distributing device.
Preferably, described Zero-valent Iron biologic packing material layer is for being filled with the wire netting responding layer of Zero-valent Iron biologic packing material.
Preferably, the described upper and lower both sides of the biological filter bed of material are all provided with porous barrier.
Positively effect of the present utility model: be provided with Zero-valent Iron biologic packing material responding layer in reactor body described in the utility model, utilize reductibility and the light electrolysis effect of Zero-valent Iron biologic packing material, for anaerobic biological process creates favourable obligate anaerobic environment, in and organic acid, alleviate acid accumulation, improve anaerobion active, realize the coupling of zero-valent iron technology and Anaerobic Methods in Treating, the outer sewage backflow recycle system difference of the utility model reactor and traditional return-flow system in addition, conventional backflow system is that up-flow mud district is directly connected with wastewater influent pipeline through pipeline, this will increase the load of wastewater influent water distributor to a certain extent, and flooding quantity is also obviously by the restriction of water inlet distributor, and the utility model is up-flow mud district is connected with sludge bulking district through pipeline, not only solve conventional backflow system institute problems faced, and pulse water distributing device is being set near water inlet distributor place, add the impact of backflow sewage, can contact with the mixing of mud by sewage, also mud is made to produce depositional phenomenon, and the utility model effectively prevent the loss of mud as the setting of the biological filter bed of material using polyester sponge layer, enhance mud-water separation effect, thus ensure the density of microorganism in mud, make the reaction of low growth rate anaerobe can continue to carry out efficiently.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
With reference to Fig. 1, the utility model preferred embodiment provides a kind of built-in zero-valent iron anaerobic reactor, comprise barrel type reactor body 1, in reactor body 1, be disposed with wastewater influent water distributor 2, Zero-valent Iron biologic packing material layer 3, the biological filter bed of material 4 and triphase separator 5 from bottom to top; Described wastewater influent water distributor 2 is connected with intake pump 14 by inlet channel 13; Be sludge bulking district 6 between described wastewater influent water distributor 2 and Zero-valent Iron biologic packing material floor 3, being up-flow mud district 7 between described Zero-valent Iron biologic packing material floor 3 and the biological filter bed of material 4, is gas-liquid-solid disengaging zone 8 above the described biological filter bed of material 4; Described up-flow mud district 7 side first circulating line 9 is connected with the sludge bulking district 6 near wastewater influent water distributor 2 with the first recycle pump 10, wherein the connecting portion place in sludge bulking district 6 is provided with the first pulse water distributing device 11.
Described Zero-valent Iron biologic packing material layer is for being filled with the wire netting responding layer of Zero-valent Iron biologic packing material.
The described biological filter bed of material about 4 both sides are all provided with porous barrier 12.
The opposite side in described up-flow mud district 7 is also connected with the sludge bulking district 6 near wastewater influent water distributor 2 with the second recycle pump 17 through the second circulating line 15, the connecting portion place in itself and sludge bulking district 6 is provided with the second pulse water distributing device 18, this the second pump around circuit system is combined with the first pump around circuit system can be accelerated effluent cycle and reflux, and strengthens water treatment efficiency.
Arrange a T-valve 16 between described second pulse water distributing device 18 and the second recycle pump 17, an outlet of this T-valve 16 is connected with described inlet channel 13.The setting of this T-valve 16 both can make the water in up-flow mud district 7 directly pass back into sludge bulking district 6 through the second pulse water distributing device 18, can select again to pass back into inlet channel and carry out refluxing thus the number of run reducing by the second pulser 18, saved running cost.
The working process of described anaerobic reactor is as follows: sewage enters the sludge bulking district 6 of anaerobic reactor by intake pump 14, fully mixed with sludge circulation water by pulse water distributing device in the bottom in sludge bulking district 6 simultaneously, fully contact with the organism in granule sludge in sewage uphill process, through Zero-valent Iron biologic packing material layer 3, sewage fully contacts with Zero-valent Iron, by light electrolysis effect, hardly degraded organic substance is decomposed into small organic molecule, improve the biodegradability of waste water, when sewage arrives the sludge circulation water out in up-flow mud district 7, major part is back to sludge bulking district 6 by the first circulating line and the second circulating line and continues hybrid reaction, small portion arrives the biological filter bed of material, suspended sludge major part in sewage is trapped, avoid the fast deposition of mud granule on triphase separator, ensure that the normal separation function of triphase separator, small portion rises to triphase separator, suspended biomass is separated with water, gas, and the clear water purified and the biogas of generation are respectively by exporting discharge accordingly.
Above-describedly be only preferred embodiment of the present utility model; be understood that; the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping; and be not used in restriction protection domain of the present utility model; all any amendments, equivalent replacement etc. made within thought of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (5)
1. a built-in zero-valent iron anaerobic reactor, comprises cylindrical reactor body, it is characterized in that: be disposed with wastewater influent water distributor, Zero-valent Iron biologic packing material layer, the biological filter bed of material and triphase separator in reactor body from bottom to top; Described wastewater influent water distributor is connected with intake pump by inlet channel; Be sludge bulking district between described wastewater influent water distributor and Zero-valent Iron biologic packing material floor, being up-flow mud district between described Zero-valent Iron biologic packing material floor and the biological filter bed of material, is gas-liquid-solid disengaging zone above the described biological filter bed of material; Described up-flow mud district side first circulating line is connected with the sludge bulking district near wastewater influent water distributor with the first recycle pump, wherein the connecting portion place in sludge bulking district is provided with the first pulse water distributing device.
2. a kind of built-in zero-valent iron anaerobic reactor according to claim 1, is characterized in that: described Zero-valent Iron biologic packing material layer is for being filled with the responding layer of Zero-valent Iron.
3. a kind of built-in zero-valent iron anaerobic reactor according to claim 1, is characterized in that: the described upper and lower both sides of the biological filter bed of material are all provided with porous barrier.
4. a kind of built-in zero-valent iron anaerobic reactor according to claim 1, it is characterized in that: the opposite side in described up-flow mud district is also connected with the sludge bulking district near wastewater influent water distributor with the second recycle pump through the second circulating line, the connecting portion place in itself and sludge bulking district is provided with the second pulse water distributing device.
5. a kind of built-in zero-valent iron anaerobic reactor according to claim 4, is characterized in that: arrange a T-valve between described second pulse water distributing device and the second recycle pump, and an outlet of this T-valve is connected with described inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508592.3U CN204162505U (en) | 2014-09-04 | 2014-09-04 | A kind of built-in zero-valent iron anaerobic reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420508592.3U CN204162505U (en) | 2014-09-04 | 2014-09-04 | A kind of built-in zero-valent iron anaerobic reactor |
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| CN204162505U true CN204162505U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420508592.3U Expired - Fee Related CN204162505U (en) | 2014-09-04 | 2014-09-04 | A kind of built-in zero-valent iron anaerobic reactor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745723A (en) * | 2016-12-29 | 2017-05-31 | 山东利丰环保科技有限公司 | A kind of anaerobic biological reactor for having a pulse water distributing device |
| CN108467114A (en) * | 2018-05-23 | 2018-08-31 | 中国科学院重庆绿色智能技术研究院 | A kind of efficient denitrification based on landfill leachate removes carbon anaerobic reaction device and method |
| CN111233125A (en) * | 2020-03-14 | 2020-06-05 | 江门市崖门新财富环保工业有限公司 | Reduction tower for treating chromium-containing sewage by using zero-valent iron powder and ultraviolet lamp in cooperation and operation method thereof |
| CN113307418A (en) * | 2021-08-02 | 2021-08-27 | 大唐环境产业集团股份有限公司 | Heavy metal wastewater treatment method |
-
2014
- 2014-09-04 CN CN201420508592.3U patent/CN204162505U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745723A (en) * | 2016-12-29 | 2017-05-31 | 山东利丰环保科技有限公司 | A kind of anaerobic biological reactor for having a pulse water distributing device |
| CN108467114A (en) * | 2018-05-23 | 2018-08-31 | 中国科学院重庆绿色智能技术研究院 | A kind of efficient denitrification based on landfill leachate removes carbon anaerobic reaction device and method |
| CN111233125A (en) * | 2020-03-14 | 2020-06-05 | 江门市崖门新财富环保工业有限公司 | Reduction tower for treating chromium-containing sewage by using zero-valent iron powder and ultraviolet lamp in cooperation and operation method thereof |
| CN111233125B (en) * | 2020-03-14 | 2022-06-24 | 江门市崖门新财富环保工业有限公司 | Reduction tower for treating chromium-containing sewage by using zero-valent iron powder and ultraviolet lamp in cooperation and operation method thereof |
| CN113307418A (en) * | 2021-08-02 | 2021-08-27 | 大唐环境产业集团股份有限公司 | Heavy metal wastewater treatment method |
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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 |
Granted publication date: 20150218 Termination date: 20200904 |
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| CF01 | Termination of patent right due to non-payment of annual fee |