CN207435283U - Chicken manure fermenting biogas slurry resource recycling utilizes system - Google Patents

Chicken manure fermenting biogas slurry resource recycling utilizes system Download PDF

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Publication number
CN207435283U
CN207435283U CN201721424526.8U CN201721424526U CN207435283U CN 207435283 U CN207435283 U CN 207435283U CN 201721424526 U CN201721424526 U CN 201721424526U CN 207435283 U CN207435283 U CN 207435283U
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biogas slurry
chicken manure
anaerobic fermentation
sedimentation basin
resource recycling
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CN201721424526.8U
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陈鹏
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Hubei Nong Valley Biotech Co Ltd
WUHAN HEXINYI TECHNOLOGY Co Ltd
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Hubei Nong Valley Biotech Co Ltd
WUHAN HEXINYI TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of chicken manure fermenting biogas slurry resource recycling using system, and the system comprises anaerobic fermentation systems;The anaerobic fermentation system has been sequentially communicated sedimentation basin, plate compression, filter, film condensing device by pipeline;The film condensing device is connected to membrane separation device and aerobic composting fermentating groove, and the membrane separation device is connected by permeate return duct with anaerobic fermentation system, and the membrane separation device is connected by concentrate return duct with sedimentation basin.Chicken manure fermenting biogas slurry resource recycling utilizes system in the utility model, the effective factor for solving suspended matter, COD, ammonia nitrogen, salinity etc. in chicken manure biogas slurry and inhibiting anaerobic fermentation, biogas slurry is enabled to be back to use anaerobic fermentation system, it realizes zero-emission and is cycled with water, effectively reduce the operating cost of chicken manure biogas engineering.

Description

Chicken manure fermenting biogas slurry resource recycling utilizes system
Technical field
The utility model is related to livestock and poultry cultivation waste application technology as the second resource fields, and in particular to a kind of chicken manure fermenting Biogas slurry resource recycling utilizes system.
Background technology
After form anaerobic fermentation methane project treatment, partial organic substances contained therein are converted into chicken manure under microbial action Biogas, while can generate solid-liquid mixing residue, this moieties form biogas residue and biogas slurry after separation of solid and liquid, and chicken manure institute Comprising most of organic matter and nutriment can enter biogas slurry.
Biogas slurry is good organic fertilizer raw material, is applied generally as farmland natural pond fertilizer, but large-sized biogas engineering biogas slurry amount is big, Using in farmland not only needs the farmland and forest land of large area, while also unsuitable chronic administration, can bring farmland salinization of soil, farmland week By water pollution equivalent risk.And raw material of the chicken manure as form anaerobic fermentation methane engineering, it needs in production process plus water is diluted, And water consumption is larger, causes that the production cost increases, if while biogas slurry carry out processing discharge as sewage, can further increase natural pond The investment of gas engineering and operating cost.The usually upper allotment water to be flowed back using biogas slurry as chicken manure anaerobic fermentation of technique, not only Production cost, Reducing environmental impact can be reduced, moreover it is possible to active flora and organic nutrient substance for anaerobic system are provided, ensured The Effec-tive Function of anaerobic system.But biogas slurry reflux is generally unable to reach the effect of expected enhancing anaerobic system, biogas slurry reflux Can cause that the pH's, ammonia nitrogen, salinity of anaerobic system etc. is accumulative, so as to inhibit anaerobic fermentation gas production, the especially pH of chicken manure biogas slurry, Ammonia nitrogen value, salt content etc. can will quickly be embodied apparently higher than other anaerobic fermentation materials, inhibitory action.
Therefore, it is extremely urgent using system to find a kind of efficient biogas slurry resource recycling.
The content of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of chicken manure fermenting biogas slurry recycling and follow Ring utilizes system, which can not only effectively remove ammonia nitrogen, saliferous in chicken manure using system Amount etc. inhibits the index of anaerobic fermentation system, and realization is cycled with water, while can also realize the recycling of biogas slurry, so as to reduce The operating cost of biogas engineering.
To achieve the above object, a kind of chicken manure fermenting biogas slurry resource recycling designed by the utility model utilizes system, institute Stating system includes anaerobic fermentation system;The anaerobic fermentation system has been sequentially communicated sedimentation basin, plate compression, filtering by pipeline Device, film condensing device;The film condensing device is connected to membrane separation device and aerobic composting fermentating groove, the UF membrane dress It puts and is connected by permeate return duct with anaerobic fermentation system, the membrane separation device passes through concentrate return duct and sedimentation basin It is connected.
Further, the film condensing device by through liquid pipe and concentrate liquid pipe respectively with membrane separation device and aerobic heap Fertile fermentation tank connection.
Yet further, it is provided with elevator pump on the pipeline between the anaerobic fermentation system and sedimentation basin.
Yet further, the sedimentation basin is flocculation sedimentation tank, and the flocculation sedimentation tank is divided into two parts, respectively heavy Shallow lake pond pond body and the medicine system on sedimentation basin pond body top, the medicine system are the dosing metering pump and medicine-adding bin of series connection.
Yet further, the filter is stainless steel more medium filter, plate-frame filtering is connect, by more medium filter After filtering, suspended solids concentration < 0.1mg/L in biogas slurry ensure follow-up UF membrane influent turbidity≤3NTU.The filter Backwashing pump is equipped with, periodically backwashes, prevents from blocking.
The film condensing device is nanofiltration (NF) membrane module, and membrane module is disc-type plural serial stage structure, and is divided into multigroup Series connection.
The membrane separation device is reverse osmosis (RO) membrane module, and membrane module is disc-type plural serial stage structure, and is divided into more String formation joins.
The sedimentation basin is flocculation sedimentation tank, sedimentation basin equipped with automatic medicament feeding system, in reaction process by automatically plus Medicine systematic quantification enters plate-frame filtering after adding the partial suspended thing in PAC, PAM flocculant removal biogas slurry.
The plate-frame filtering connects sedimentation basin, and the suspended matter in biogas slurry is further removed by way of sheet frame extruding, is led to After crossing sedimentation basin and plate-frame filtering, 99% suspended matter is removed in biogas slurry, into subsequent filter.
The film condensing device connects filter water inlet, and film concentration is using nanofiltration (NF) membrane module, for removing in biogas slurry COD and salinity ensure permeate COD water outlets≤500mg/L, salinity removal rate > 90%.
The membrane separation device connects the permeate of film condensing device, and UF membrane uses reverse osmosis (RO) membrane module, for going Except the ammonia nitrogen in biogas slurry, ensure through ammonia nitrogen water outlet≤80mg/L.Membrane separation device generate concentration into sedimentation basin make in follow Ring, permeate connect anaerobic fermentation system and make chicken manure adjusting water.
The aerobic composting fermentation slot connects the concentrate of film condensing device, adds in stalk or shell chaff, adjusts mixed material and contains The laggard aerobe fermentation production organic fertilizer of acting charitably of water rate 60~70%.
The beneficial effects of the utility model:
Chicken manure fermenting biogas slurry resource recycling utilizes system in the utility model, effectively solves and suspends in chicken manure biogas slurry Object, COD, ammonia nitrogen, salinity etc. inhibit the factor of anaerobic fermentation so that biogas slurry can be back to use anaerobic fermentation system, realize zero-emission It puts and is cycled with water, effectively reduce the operating cost of chicken manure biogas engineering.
Chicken manure fermenting biogas slurry resource recycling can make full use of the battalion in chicken manure biogas slurry using system in the utility model It forms point, produces high-quality organic fertilizer, realize the recycling of discarded object simultaneously and generate added economic value.
Description of the drawings
Fig. 1 is the structure diagram of chicken manure fermenting biogas slurry cyclic utilization system;
In figure, anaerobic fermentation system 1, elevator pump 1.1, sedimentation basin 2, medicine-adding bin 2.1, dosing pump 2.2, plate compression 3, mistake Filter 4, backwashing pump 4.1, film condensing device 5, through liquid pipe 5.1, concentration liquid pipe 5.2, membrane separation device 6, permeate flow back Pipe 6.1, concentrate return duct 6.2, aerobic composting fermentation slot 7.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so as to art technology Personnel understand.
Chicken manure fermenting biogas slurry resource recycling as shown in Figure 1 utilizes system, and the system comprises anaerobic fermentation systems 1; The anaerobic fermentation system 1 has been sequentially communicated sedimentation basin 2, plate compression 3, filter 4, film condensing device 5 by pipeline;Anaerobism Elevator pump 1.1 is provided on pipeline between fermentation system 1 and sedimentation basin 2.
The sedimentation basin 2 is flocculation sedimentation tank, and the flocculation sedimentation tank is divided into two parts, be respectively sedimentation basin pond body and The medicine system on sedimentation basin pond body top, the medicine system are the dosing metering pump 2.2 of series connection and medicine-adding bin 2.1.Filter 4 For stainless steel more medium filter, the filter 4 is equipped with backwashing pump 4.1,
The film condensing device 5 by through liquid pipe 5.1 and concentrate liquid pipe 5.2 respectively with membrane separation device 6 and aerobic heap Fertile fermentation tank 7 connects.
Membrane separation device 6 is connected by permeate return duct 6.1 with anaerobic fermentation system 1, and the membrane separation device 6 is logical Concentrate return duct 6.2 is crossed with sedimentation basin 2 to be connected.
Above-mentioned chicken manure fermenting biogas slurry resource recycling utilizes the application method of system:
Wherein, anaerobic fermentation system 1 daily charging solid content 20% chicken manure 350t, using recirculated water adjust solid content to Anaerobic fermentation is carried out after 8%~10%, it is 30m that anaerobic fermentation system, which generates biogas slurry amount,3/ h, wherein COD for 18000~ 20000mg/L, ammonia nitrogen are 3500~4000mg/L, and sedimentation basin is squeezed by elevator pump.
Biogas slurry enters sedimentation basin 2, and adding in flocculant PAC, PAM flocculation sediment by automatic medicament feeding system removes in the middle part of biogas slurry Enter the suspended matter of filter 4, wherein plate-frame filtering water outlet after further removing oil removal into plate-frame filtering 3 after point suspended matter Concentration is less than 100mg/L.After more medium filter is separated by filtration, the suspended matter in biogas slurry is less than 2mg/L, meets film concentration dress Concentrating and separating is carried out into NF membrane enrichment facility 5 after the inflow requirement put, generation penetrates output of fluid 32m3/ h, wherein, COD ≤ 500mg/L, ammonia nitrogen≤400mg/L.Permeate enters RO reverse osmosis membrane separations device 6, after reverse osmosis separation, generates saturating Cross liquid 29m3/ h, wherein COD≤30mg/L, ammonia nitrogen≤30mg/L, salinity removal rate >=99%, permeate directly utilize recirculated water Blowback uses anaerobic fermentation system 1 and is used as allotment water.
Wherein, 5 concentrate yield of nanofiltration film condensing device is 1m3/ h, wherein COD≤120000mg/L, ammonia nitrogen≤ 540000mg/L, nutrient content is high, is directly added into dry material shell chaff, after adjusting moisture content 60~65%, is sent out into aerobic compost Ferment slot 9 carries out aerobic composting fermentation production organic fertilizer.
Wherein, 6 concentrate yield of RO reverse osmosis membrane separations device is 3m3/ h directly squeezes into sedimentation basin using water pump and makees Inside cycling.
Other unspecified parts are the prior art.Although above-described embodiment is made that the utility model detailed Description, but it is only the utility model part of the embodiment rather than whole embodiments, and people can also be according to this implementation Example obtains other embodiment under the premise of without creativeness, these embodiments belong to scope of protection of the utility model.

Claims (5)

1. a kind of chicken manure fermenting biogas slurry resource recycling utilizes system, it is characterised in that:The system comprises anaerobic fermentation systems (1);It is dense that the anaerobic fermentation system (1) by pipeline has been sequentially communicated sedimentation basin (2), plate compression (3), filter (4), film Compression apparatus (5);The film condensing device (5) is connected to membrane separation device (6) and aerobic composting fermentating groove (7), the film Separator (6) is connected by permeate return duct (6.1) with anaerobic fermentation system (1), and the membrane separation device (6) passes through Concentrate return duct (6.2) is connected with sedimentation basin (2).
2. chicken manure fermenting biogas slurry resource recycling utilizes system according to claim 1, it is characterised in that:The film concentration dress (5) are put by connecting respectively with membrane separation device (6) and aerobic composting fermentating groove (7) through liquid pipe (5.1) and concentration liquid pipe (5.2) It connects.
3. chicken manure fermenting biogas slurry resource recycling utilizes system according to claim 1, it is characterised in that:The anaerobic fermentation Elevator pump (1.1) is provided on pipeline between system (1) and sedimentation basin (2).
4. chicken manure fermenting biogas slurry resource recycling utilizes system according to claim 1, it is characterised in that:The sedimentation basin (2) it is flocculation sedimentation tank, the flocculation sedimentation tank is divided into two parts, is respectively sedimentation basin pond body and sedimentation basin pond body top Medicine system, the medicine system are the dosing metering pump (2.2) of series connection and medicine-adding bin (2.1).
5. chicken manure fermenting biogas slurry resource recycling utilizes system according to claim 1, it is characterised in that:The filter (4) it is stainless steel more medium filter, the filter (4) is equipped with backwashing pump (4.1).
CN201721424526.8U 2017-10-31 2017-10-31 Chicken manure fermenting biogas slurry resource recycling utilizes system Active CN207435283U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078241A (en) * 2019-05-29 2019-08-02 美景(北京)环保科技有限公司 The processing system and method for biogas slurry after a kind of vinasse anaerobic fermentation
CN115957549A (en) * 2023-01-03 2023-04-14 山东利宇环境工程技术有限公司 A recycling system for removing natural pond liquid suppression in anaerobic fermentation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078241A (en) * 2019-05-29 2019-08-02 美景(北京)环保科技有限公司 The processing system and method for biogas slurry after a kind of vinasse anaerobic fermentation
CN115957549A (en) * 2023-01-03 2023-04-14 山东利宇环境工程技术有限公司 A recycling system for removing natural pond liquid suppression in anaerobic fermentation
CN115957549B (en) * 2023-01-03 2024-01-12 山东利宇环境工程技术有限公司 Recycling system for removing biogas slurry inhibition in anaerobic fermentation

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