CN205687757U - A kind of multiple stage circulation cultivating excrement dirty utilizes system - Google Patents
A kind of multiple stage circulation cultivating excrement dirty utilizes system Download PDFInfo
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- CN205687757U CN205687757U CN201620609245.9U CN201620609245U CN205687757U CN 205687757 U CN205687757 U CN 205687757U CN 201620609245 U CN201620609245 U CN 201620609245U CN 205687757 U CN205687757 U CN 205687757U
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- biogas slurry
- anaerobic fermentation
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- stage circulation
- excrement
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Abstract
This utility model relates to a kind of multiple stage circulation cultivating excrement dirty and utilizes system, utilizes system, hydrolysis system, multistage anaerobic fermentation system, methane utilizing system, biogas slurry solid-liquid separation system, biogas slurry recycling processing system, biogas slurry concentration systems including cultivating system, microalgae.The utility model discloses the system that the repeating cyples of the excrement dirt being applicable to different scales, different breeding kind utilizes, this system can realize the dirty zero-emission of excrement, no pollution.
Description
Technical field
This utility model belongs to excrement dirt application technology as the second resource field, relates to a kind of dirty multiple stage circulation of excrement that cultivates and utilizes system
System.
Background technology
In recent years, its feeding amount is continuously increased, and cultivates scale expanding day, and the feces of poultry generation and Excreta are to ring
The pollution that border is caused is the most increasingly severe, not only pollutes the living environment of the mankind, and constrains the sustainable development of animal husbandry
Exhibition, the pollution that Animal husbandry production causes has become as another new organic contamination urgently to be resolved hurrily after industrial pollution and asks
Topic.
In order to solve the pollution that animal husbandry development causes, people produce biogas by anaerobic fermentation and realize the profit that excrement is dirty
With.But being current biogas energy processing mode owing to development approach is single, utilization ratio is low, is mainly reflected in biogas slurry resource
Exploitation degree is more weak, the wasting of resources, causes biogas slurry long storage time maybe cannot dissolve, and then causes secondary pollution；On the other hand
Agricultural breeding water consumption is big, and the flush water of breeding house cultivates the spice water of feces before fermenting, and ultimately forms biogas slurry, traditional
Processing mode is that biogas slurry is directly used as fertilizer or direct reuse in fermentation system, and hen house flush water need the most extra add from
Water；Meanwhile, in cultivation excrement dirt biogas slurry, active substance resource is containing the multiple nutrients material needed for plant, comprehensive and rich content,
But the mode that traditional biogas slurry is directly dissolved, easily causes biogas slurry utilization rate of fertilizer low.Therefore exploitation is formed a kind of efficient
Cultivation physical resources and energy circulating system, ensure that the efficient circulation of physical resources utilizes, improve the service efficiency of resource, formed
Environmental protection, energy-conservation new technique system are to have great importance.
Utility model content
In order to make up the deficiencies in the prior art, the purpose of this utility model is that providing a kind of cultivates the multiple stage circulation that excrement is dirty
Utilizing system, the multiple stage circulation that described cultivation excrement is dirty utilizes system to go for different scales, the excrement of different breeding kind
Dirt recycles.
To achieve these goals, this utility model adopts the following technical scheme that
This utility model provides a kind of multiple stage circulation cultivating excrement dirty and utilizes system, utilizes including cultivating system 1, microalgae
At system 2, hydrolysis system 3, multistage anaerobic fermentation system 4, methane utilizing system 5, biogas slurry solid-liquid separation system 6, biogas slurry reuse
Reason system 7, biogas slurry concentration systems 8；
Cultivating system 1 includes waste water cultivating microalgae unit 11 and livestock and poultry cultivation unit 12；
Microalgae utilizes system 2 to be connected with cultivating system 1；
Hydrolysis system 3 includes primary hydrolysis acidification pool 31 and secondary hydrolysis acidification pool 32, is connected with cultivating system 1, from
The sewage that the feces of cultivating system 1 is dirty with washing away excrement, centralized collection, it is transported to hydrolysis system 3；
One-level anaerobic fermentation tank 41 that multistage anaerobic fermentation system 4 includes being sequentially connected with, B grade anaerobic fermentation tank 42 and after
Fermentation tank 43；One-level anaerobic fermentation tank 41 is the fermentation tank of directly charging, from the feed pump of secondary hydrolysis acidification pool 32 to one
In level anaerobic fermentation tank 41, the feed liquid in one-level anaerobic fermentation tank 41 enters in B grade anaerobic fermentation tank 42 through overflow, eliminating
Feed liquid enters after fermentation tank 43 and is temporarily stored in after fermentation tank 43；
Methane utilizing system 5 is connected with multistage anaerobic fermentation system 4, and the biogas that anaerobic fermentation produces enters biogas utilization
System 5, it is achieved marsh gas power generation, methane purification bio-natural gas high-value-use.
Biogas slurry solid-liquid separation system 6 is connected with multistage anaerobic fermentation system 4, by from multistage anaerobic fermentation system 4
The biogas slurry that need to filter separates, and the dope of separation is used as punching fertilising, and clear liquid further processes；
Biogas slurry recycling processing system 7 is connected with biogas slurry solid-liquid separation system 6 and hydrolysis system 3, biogas slurry solid-liquid separation system
The clear liquid of system 6 separation is back to hydrolysis system 3 after biogas slurry recycling processing system 7 processes；
Biogas slurry concentration systems 8 is connected with biogas slurry solid-liquid separation system 6 and cultivating system 1, biogas slurry solid-liquid separation system 6 points
From clear liquid concentrate through biogas slurry concentration systems 8, concentrated solution be used for foliage fertilizer, clear liquid be used for cultivating system 1.
Further, one-level anaerobic fermentation tank 41 and B grade anaerobic fermentation tank 42 are provided with continuous stirring device.
Further, biogas slurry solid-liquid separation system 6 includes ultrafiltration membrane separating device, and the membrane aperture of ultrafilter membrane is 100-200nm.
Further, biogas slurry recycling processing system 7 includes oxygen compatibility pool 72, No. 2 Aeration tanks of 71, No. 1 Aeration tank being sequentially connected with
73, No. 3 Aeration tank 74 and MBR membrane separation devices 75.
Further, oxygen compatibility pool 71 is provided with intermittent agitating device.
Further, No. 3 Aeration tanks 74 are connected by pipeline with oxygen compatibility pool 71, and the feed liquid of No. 3 Aeration tanks 74 passes through pipe section
Divide and be back to oxygen compatibility pool 71.
Further, MBR membrane separation device 75 is connected by pipeline with each Aeration tank, is partly refluxed to respectively by biochemical sludge
In Aeration tank.
Further, described MBR membrane separation device 75 is pvdf membrane, and aperture is 100nm.
Further, biogas slurry concentration systems 8 includes NF membrane upgrading unit 81 and reverse osmosis membrane upgrading unit 82；Through biogas slurry
The clear liquid that solid-liquid separation system 6 separates enters NF membrane upgrading unit 81 and concentrates, and the clear liquid concentrated through nanofiltration passes through reverse osmosis membrane
Upgrading unit 82 concentrates, and the concentrated solution concentrated through NF membrane upgrading unit 81 or reverse osmosis membrane upgrading unit 82 is used for blade face
Fertilizer, clear liquid is used for cultivating system 1.
Further, the membrane aperture of NF membrane upgrading unit 81 is 1nm.
The multiple stage circulation of cultivation excrement described in the utility model dirt utilizes system, if multistage anaerobic fermentation system 4 gained
Biogas slurry parameter up to fermentation materials spice water index, can direct reuse in hydrolysis system 3.
Biogas slurry described in the utility model concentrates, on the premise of ensureing biogas slurry concentrated effect, it is also possible to uses but does not limits
In DTNF, DTRO membrance concentration.
Advantage of the present utility model and beneficial effect:
Cultivation excrement in this utility model dirty multiple stage circulation utilizes system to be applicable to different scales, different breeding kind
The repeating cyples utilization that excrement is dirty；
The multiple stage circulation of the cultivation excrement dirt in this utility model utilizes system, by excrement dirt biological hydrolysis, anaerobic fermentation skill
Art controls, it is achieved fermentation gas efficiently with stable；；
The multiple stage circulation of the cultivation excrement dirt in this utility model utilizes system, by excrement dirt biological hydrolysis, anaerobic fermentation, natural pond
The multi-level comprehensive utilization the most by all kinds of means of liquid, has ultimately formed zero-emission, cultivation excrement dirt circulation that no pollution, material are fully utilized
Utilize system, farthest achieve recycling of resource.
Accompanying drawing explanation
Fig. 1 shows that the multiple stage circulation of cultivation excrement dirt utilizes the structural representation of system；
Fig. 2 shows the structural representation of biogas slurry recycling processing system.
In figure, 1, cultivating system, 11, waste water cultivating microalgae unit, 12 livestock and poultry cultivation unit, 2, microalgae utilize system, 3,
Hydrolysis system, 31, primary hydrolysis acidification pool, 32, secondary hydrolysis acidification pool, 4, multistage anaerobic fermentation system, 41, one-level anaerobism sends out
Ferment tank, 42, B grade anaerobic fermentation tank, 43, after fermentation tank, 5, methane utilizing system, 6, biogas slurry solid-liquid separation system, 7, biogas slurry returns
By processing system, 71, oxygen compatibility pool, 72, No. 1 Aeration tank, 73, No. 2 Aeration tanks, 74, No. 3 Aeration tanks, 75, MBR membrance separation dress
Put, 8, biogas slurry concentration systems, 81, NF membrane upgrading unit, 82, reverse osmosis concentration unit.
Specific embodiment
Being described in further detail this utility model with embodiment below in conjunction with the accompanying drawings, following example are only used for
Bright this utility model rather than limit scope of the present utility model.
The multiple stage circulation that embodiment 1 cultivates excrement dirty utilizes system
A kind of multiple stage circulation cultivating excrement dirty utilizes system, including cultivating system 1, microalgae utilize system 2, hydrolysis system 3,
Multistage anaerobic fermentation system 4, methane utilizing system 5, biogas slurry solid-liquid separation system 6, biogas slurry recycling processing system 7, biogas slurry concentrate
System 8.
Wherein, cultivating system 1 includes waste water cultivating microalgae unit 11 and livestock and poultry cultivation unit 12；Waste water cultivating microalgae unit
After the microalgae of 11 microalgae through being connected with cultivating system 1 utilizes system 2 to process, travel further into poultry as feed additive and support
Grow unit 12.
Hydrolysis system 3 includes primary hydrolysis acidification pool 31 and secondary hydrolysis acidification pool 32, is connected with cultivating system 1, from
The sewage that the feces of cultivating system 1 is dirty with washing away excrement, centralized collection, it is transported to hydrolysis system 3, enters primary hydrolysis acidification pool 31
In；
Multistage anaerobic fermentation system 4 includes that one-level anaerobic fermentation tank 41, B grade anaerobic fermentation tank 42 and after fermentation tank 43 depend on
Secondary connection；One-level anaerobic fermentation tank 41 is the fermentation tank of directly charging, from the feed pump of secondary hydrolysis acidification pool 32 to one-level
In anaerobic fermentation tank 41, the feed liquid in one-level anaerobic fermentation tank 41 enters in B grade anaerobic fermentation tank 42 through overflow, the material of eliminating
Liquid enters after fermentation tank 43 and is temporarily stored in after fermentation tank 43；Wherein, in one-level anaerobic fermentation tank 41 and B grade anaerobic fermentation tank 42
Continuous stirring device is installed.
Methane utilizing system 5 is connected with multistage anaerobic fermentation system 4, and the biogas that anaerobic fermentation produces enters biogas utilization
System 5, it is achieved marsh gas power generation, methane purification bio-natural gas high-value-use.
Biogas slurry solid-liquid separation system 6 is connected with multistage anaerobic fermentation system 4, by from multistage anaerobic fermentation system 4
The biogas slurry that need to filter separates, and the dope of separation is used as punching fertilising, and clear liquid further processes, and wherein, biogas slurry solid-liquid divides
Including ultrafiltration membrane separating device from system 6, the membrane aperture of ultrafilter membrane is 100nm.
Biogas slurry recycling processing system 7 is connected with biogas slurry solid-liquid separation system 6 and hydrolysis system 3, biogas slurry solid-liquid separation system
The clear liquid of system 6 separation is back to hydrolysis system 3 after biogas slurry recycling processing system 7 processes, and biogas slurry recycling processing system 7 includes depending on
The oxygen compatibility pool of secondary connection 73, No. 3 Aeration tank 74 and MBR membrane separation devices 75 of 72, No. 2 Aeration tanks of 71, No. 1 Aeration tank, oxygen compatibility pool
71 are provided with intermittent agitating device；No. 3 Aeration tanks 74 are connected by pipeline with anaerobic pond 71, and the feed liquid of No. 3 Aeration tanks 74 is led to
Piping is partly refluxed to anaerobic pond 71；MBR membrane separation device 75 for pvdf membrane, aperture is 100nm, passes through with each Aeration tank
Pipeline is connected, and is partly refluxed in each Aeration tank by biochemical sludge.
Biogas slurry concentration systems 8 includes NF membrane upgrading unit 81 and reverse osmosis membrane upgrading unit 82, with biogas slurry solid-liquid separation
System 6 is connected with cultivating system 1, and the clear liquid that biogas slurry solid-liquid separation system 6 separates enters NF membrane upgrading unit 81, NF membrane
The membrane aperture of upgrading unit 81 is 1nm, and the clear liquid concentrated through nanofiltration is concentrated, through nanofiltration by reverse osmosis membrane upgrading unit 82
The concentrated solution that membrance concentration unit 81 or reverse osmosis membrane upgrading unit 82 concentrate is used for cultivating system 1 for foliage fertilizer, clear liquid.
The multiple stage circulation that embodiment 2 cultivates excrement dirty utilizes system
A kind of multiple stage circulation cultivating excrement dirty utilizes system, including cultivating system 1, microalgae utilize system 2, hydrolysis system 3,
Multistage anaerobic fermentation system 4, methane utilizing system 5, biogas slurry solid-liquid separation system 6, biogas slurry recycling processing system 7, biogas slurry concentrate
System 8.
Wherein, cultivating system 1 includes waste water cultivating microalgae unit 11 and livestock and poultry cultivation unit 12；Waste water cultivating microalgae unit
After the microalgae of 11 microalgae through being connected with cultivating system 1 utilizes system 2 to process, travel further into poultry as feed additive and support
Grow unit 12.
Hydrolysis system 3 includes primary hydrolysis acidification pool 31 and secondary hydrolysis acidification pool 32, is connected with cultivating system 1, from
The sewage that the feces of cultivating system 1 is dirty with washing away excrement, centralized collection, it is transported to hydrolysis system 3, enters primary hydrolysis acidification pool 31
In；
Multistage anaerobic fermentation system 4 includes that one-level anaerobic fermentation tank 41, B grade anaerobic fermentation tank 42 and after fermentation tank 43 depend on
Secondary connection；One-level anaerobic fermentation tank 41 is the fermentation tank of directly charging, from the feed pump of secondary hydrolysis acidification pool 32 to one-level
In anaerobic fermentation tank 41, the feed liquid in one-level anaerobic fermentation tank 41 enters in B grade anaerobic fermentation tank 42 through overflow, the material of eliminating
Liquid enters after fermentation tank 43 and is temporarily stored in after fermentation tank 43；Wherein, in one-level anaerobic fermentation tank 41 and B grade anaerobic fermentation tank 42
Continuous stirring device is installed.
Methane utilizing system 5 is connected with multistage anaerobic fermentation system 4, and the biogas that anaerobic fermentation produces enters biogas utilization
System 5, it is achieved marsh gas power generation, methane purification bio-natural gas high-value-use.
Biogas slurry solid-liquid separation system 6 is connected with multistage anaerobic fermentation system 4, by from multistage anaerobic fermentation system 4
The biogas slurry that need to filter separates, and the dope of separation is used as punching fertilising, and clear liquid further processes, biogas slurry solid-liquid separation system
6 include ultrafiltration membrane separating device, and the membrane aperture of ultrafilter membrane is 200nm.
Biogas slurry recycling processing system 7 is connected with biogas slurry solid-liquid separation system 6 and hydrolysis system 3, biogas slurry solid-liquid separation system
The clear liquid of system 6 separation is back to hydrolysis system 3 after biogas slurry recycling processing system 7 processes, and biogas slurry recycling processing system 7 includes depending on
The oxygen compatibility pool of secondary connection 73, No. 3 Aeration tank 74 and MBR membrane separation devices 75 of 72, No. 2 Aeration tanks of 71, No. 1 Aeration tank, oxygen compatibility pool
71 are provided with intermittent agitating device；No. 3 Aeration tanks 74 are connected by pipeline with anaerobic pond 71, and the feed liquid of No. 3 Aeration tanks 74 is led to
Piping is partly refluxed to anaerobic pond 71；MBR membrane separation device 75 for pvdf membrane, aperture is 100nm, passes through with each Aeration tank
Pipeline is connected, and is partly refluxed in each Aeration tank by biochemical sludge.
Biogas slurry concentration systems 8 includes NF membrane upgrading unit 81 and reverse osmosis membrane upgrading unit 82, with biogas slurry solid-liquid separation
System 6 is connected with cultivating system 1, and the clear liquid that biogas slurry solid-liquid separation system 6 separates enters NF membrane upgrading unit 81, NF membrane
The membrane aperture of upgrading unit 81 is 1nm, and the clear liquid concentrated through nanofiltration is concentrated, through nanofiltration by reverse osmosis membrane upgrading unit 82
The concentrated solution that membrance concentration unit 81 or reverse osmosis membrane upgrading unit 82 concentrate is used for cultivating system 1 for foliage fertilizer, clear liquid.
The explanation of above-described embodiment is used only to understand the technical solution of the utility model.It should be pointed out that, for this area
Those of ordinary skill for, on the premise of without departing from this utility model principle, this utility model can be carried out some changing
Entering and modify, these improve and modify and also will fall in this utility model scope of the claims.
Claims (9)
1. the multiple stage circulation cultivating excrement dirty utilizes system, it is characterised in that include that cultivating system (1), microalgae utilize system
(2), hydrolysis system (3), multistage anaerobic fermentation system (4), methane utilizing system (5), biogas slurry solid-liquid separation system (6), biogas slurry
Recycling processing system (7), biogas slurry concentration systems (8)；
Cultivating system (1) includes waste water cultivating microalgae unit (11) and livestock and poultry cultivation unit (12)；
Hydrolysis system (3) includes primary hydrolysis acidification pool (31) and secondary hydrolysis acidification pool (32)；
One-level anaerobic fermentation tank (41) that multistage anaerobic fermentation system (4) includes being sequentially connected with, B grade anaerobic fermentation tank (42) and
After fermentation tank (43)；
Methane utilizing system (5) is connected with multistage anaerobic fermentation system (4), and the biogas that anaerobic fermentation produces enters biogas utilization
System (5)；
Biogas slurry solid-liquid separation system (6) is connected with multistage anaerobic fermentation system (4), will be from multistage anaerobic fermentation system (4)
Need filter biogas slurry separate；
Biogas slurry recycling processing system (7) is connected with biogas slurry solid-liquid separation system (6) and hydrolysis system (3), biogas slurry solid-liquid separation
The clear liquid that system (6) separates is back to hydrolysis system (3) after biogas slurry recycling processing system (7) processes；
Biogas slurry concentration systems (8) is connected with biogas slurry solid-liquid separation system (6) and cultivating system (1), biogas slurry solid-liquid separation system
(6) clear liquid filtered concentrates through biogas slurry concentration systems (8).
The multiple stage circulation of cultivation excrement the most according to claim 1 dirt utilizes system, it is characterised in that described one-level anaerobism is sent out
Ferment tank (41) and B grade anaerobic fermentation tank (42) are provided with continuous stirring device.
The dirty multiple stage circulation of cultivation excrement the most according to claim 1 utilizes system, it is characterised in that biogas slurry solid-liquid separation system
System (6) includes ultrafiltration membrane separating device.
The multiple stage circulation of cultivation excrement the most according to claim 1 dirt utilizes system, it is characterised in that at described biogas slurry reuse
Reason system (7) include the oxygen compatibility pool (71) being sequentially connected with, No. 1 Aeration tank (72), No. 2 Aeration tanks (73), No. 3 Aeration tanks (74) and
MBR membrane separation device (75).
The multiple stage circulation of cultivation excrement the most according to claim 4 dirt utilizes system, it is characterised in that described oxygen compatibility pool (71)
Intermittent agitating device is installed.
The multiple stage circulation of cultivation excrement the most according to claim 4 dirt utilizes system, it is characterised in that described No. 3 Aeration tanks
(74) being connected by pipeline with oxygen compatibility pool (71), the feed liquid of No. 3 Aeration tanks (74) is back to oxygen compatibility pool by pipe section
(71)。
The multiple stage circulation of cultivation excrement the most according to claim 4 dirt utilizes system, it is characterised in that described MBR membrance separation
Device (75) is connected by pipeline with each Aeration tank, is partly refluxed in each Aeration tank by biochemical sludge.
The multiple stage circulation of cultivation excrement the most according to claim 1 dirt utilizes system, it is characterised in that described biogas slurry concentrates system
System (8) includes NF membrane upgrading unit (81) and reverse osmosis membrane upgrading unit (82).
The multiple stage circulation of cultivation excrement the most according to claim 8 dirt utilizes system, it is characterised in that NF membrane upgrading unit
(81) membrane aperture is 1nm.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836984A (en) * | 2016-06-20 | 2016-08-10 | 山东民和生物科技股份有限公司 | Multi-stage circulation utilization system and method of culture excrement |
| CN106587538A (en) * | 2017-01-10 | 2017-04-26 | 上海应用技术大学 | Method for treating excrement and urine wastes |
| CN106630146A (en) * | 2016-12-26 | 2017-05-10 | 航天凯天环保科技股份有限公司 | Method for combined treatment of livestock and poultry manure through USR methane pool and bioreactor |
| CN107125271A (en) * | 2017-05-03 | 2017-09-05 | 江苏徐淮地区淮阴农业科学研究所 | To concentrate biogas slurry as carrier coupling allogene preventing and treating sweet potato rot stem nematodes medicine fertilizer |
| CN109502914A (en) * | 2018-12-24 | 2019-03-22 | 江西洁地环境治理生态科技有限公司 | A kind of sewage disposal system using chlorella processing biogas slurry |
| CN112300943A (en) * | 2020-11-03 | 2021-02-02 | 东台市赐百年生物工程有限公司 | Preparation method of organic biogas slurry for microalgae cultivation |
-
2016
- 2016-06-20 CN CN201620609245.9U patent/CN205687757U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836984A (en) * | 2016-06-20 | 2016-08-10 | 山东民和生物科技股份有限公司 | Multi-stage circulation utilization system and method of culture excrement |
| CN106630146A (en) * | 2016-12-26 | 2017-05-10 | 航天凯天环保科技股份有限公司 | Method for combined treatment of livestock and poultry manure through USR methane pool and bioreactor |
| CN106587538A (en) * | 2017-01-10 | 2017-04-26 | 上海应用技术大学 | Method for treating excrement and urine wastes |
| CN107125271A (en) * | 2017-05-03 | 2017-09-05 | 江苏徐淮地区淮阴农业科学研究所 | To concentrate biogas slurry as carrier coupling allogene preventing and treating sweet potato rot stem nematodes medicine fertilizer |
| CN109502914A (en) * | 2018-12-24 | 2019-03-22 | 江西洁地环境治理生态科技有限公司 | A kind of sewage disposal system using chlorella processing biogas slurry |
| CN109502914B (en) * | 2018-12-24 | 2023-10-31 | 江西洁地环境治理生态科技有限公司 | Sewage treatment system for treating biogas slurry by using chlorella |
| CN112300943A (en) * | 2020-11-03 | 2021-02-02 | 东台市赐百年生物工程有限公司 | Preparation method of organic biogas slurry for microalgae cultivation |
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