CN219670400U - Biogas slurry recycling system - Google Patents
Biogas slurry recycling system Download PDFInfo
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- CN219670400U CN219670400U CN202321037996.4U CN202321037996U CN219670400U CN 219670400 U CN219670400 U CN 219670400U CN 202321037996 U CN202321037996 U CN 202321037996U CN 219670400 U CN219670400 U CN 219670400U
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- liquid
- reservoir
- fine filter
- biogas slurry
- recycling system
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- 239000002002 slurry Substances 0.000 title claims abstract description 23
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 25
- 238000005273 aeration Methods 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 235000016709 nutrition Nutrition 0.000 claims abstract description 12
- 230000035764 nutrition Effects 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 31
- 244000005700 microbiome Species 0.000 claims description 7
- 238000005276 aerator Methods 0.000 claims description 4
- 238000005246 galvanizing Methods 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 abstract description 13
- 238000013329 compounding Methods 0.000 abstract description 7
- 239000003895 organic fertilizer Substances 0.000 abstract description 6
- 238000001471 micro-filtration Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000000813 microbial effect Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 235000015097 nutrients Nutrition 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 description 12
- 230000002262 irrigation Effects 0.000 description 12
- 239000011148 porous material Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 210000003608 fece Anatomy 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 3
- 244000144972 livestock Species 0.000 description 3
- 239000010871 livestock manure Substances 0.000 description 3
- 244000144977 poultry Species 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000244206 Nematoda Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
A biogas slurry recycling system, comprising: raw materials reservoir, solid-liquid separation machine, centrifugal separator, liquid disinfection reservoir, good oxygen aeration tank, first order fine filter, nutrition compound tank, second grade fine filter, the finished product reservoir, raw materials reservoir is provided with the feed chute, raw materials reservoir is connected with the solid-liquid separation machine, the solid-liquid separation machine is connected with the centrifugal separator, the centrifugal separator is connected with liquid disinfection reservoir, liquid disinfection reservoir is connected with first order fine filter, first order fine filter is connected with nutrition compound tank, nutrition compound tank is connected with second grade fine filter, second grade fine filter is connected with the finished product reservoir, the centrifugal separator is specifically LWS-500 doublestage separation centrifuge, screen cloth hole 0.074mm. The biogas slurry after solid-liquid separation is processed into the organic fertilizer meeting the enterprise standard of Q/NWF001-2021 microbial organic liquid fertilizer through the technological processes of microfiltration, aeration, fine filtration, total nutrient compounding and the like, and is returned to the field for application.
Description
Technical Field
The utility model relates to the field of comprehensive utilization of biogas, in particular to resource utilization of biogas slurry.
Background
At present, the problem of emission of pasture pollutants not only pollutes the surrounding environment, but also restricts the development of the breeding industry, and the thorough treatment of the pasture pollutants becomes necessary.
The marsh gas comprehensive utilization engineering for large and medium-sized livestock and poultry farms is mainly aimed at pollution treatment of livestock and poultry manure, anaerobic fermentation of livestock and poultry manure is used as a main technical link, comprehensive utilization of manure is used as benefit guarantee, environmental protection, energy regeneration and resource recycling are integrated, and agriculture, forestry, pasture and auxiliary industries are organically combined in a virtuous cycle system of ecological agriculture. Practice proves that the Total Solid (TS) removal rate of the farms equipped with biogas engineering can reach 80% -90%, the Chemical Oxygen Demand (COD) removal rate can reach 80% -90%, and the death rate of roundworms is 100%. Under the condition of increasingly shortage of energy sources in China, the biogas is used as a clean renewable novel energy source, and no dust pollution of conventional fuel exists. Aiming at biogas slurry in a biogas digester, a biogas slurry recycling system is provided.
Disclosure of Invention
The utility model provides an organic fertilizer which is processed into an enterprise standard meeting Q/NWF001-2021 microbial organic liquid fertilizer through the technological processes of microfiltration, aeration, fine filtration, total nutrient compounding and the like of biogas slurry after solid-liquid separation, and is applied to the field.
The utility model provides a biogas slurry recycling system, which comprises: raw materials reservoir, solid-liquid separation machine, centrifugal separator, liquid disinfection reservoir, good oxygen aeration tank, one-level fine filter, nutrition compound tank, second grade fine filter, finished product reservoir, raw materials reservoir are provided with the feed chute, and raw materials reservoir is connected with the solid-liquid separation machine, and the solid-liquid separation machine is connected with the centrifugal separator, and the centrifugal separator is connected with liquid disinfection reservoir, and liquid disinfection reservoir is connected with one-level fine filter, and one-level fine filter is connected with nutrition compound tank, and nutrition compound tank is connected with second grade fine filter, and second grade fine filter is connected with finished product reservoir.
Further, the centrifugal separator is specifically an LWS-500 double-stage separation centrifugal separator, and the mesh holes are 0.074mm.
Further, three centrifugal separators are arranged, the three centrifugal separators are all supported by hot galvanizing supports, the bottom surface height is 120cm, and the distance between every two adjacent centrifugal separators is 2.2m.
Further, three centrifugal separators correspond to three liquid disinfection storage tanks.
Further, three liquid disinfection storage tanks correspond to three, and the volume of the aerobic aeration tank is 50m 3 An aerator is arranged in the aerobic aeration tanks.
Further, a long rod stirrer of a tractor is arranged in the raw material storage tank.
Further, a microorganism compound device is arranged between the liquid disinfection storage tank and the aerobic aeration tank.
According to the technical scheme, the utility model provides a biogas slurry recycling system, which comprises the following steps: the raw material storage tank is provided with a feed chute for inputting raw materials, the raw material storage tank is connected with a solid-liquid separator, the liquid after solid-liquid separation enters a centrifugal separator with the mesh number of 280 meshes for microfiltration, the separated liquid is pumped into three liquid disinfection storage tanks, the liquid in the three liquid disinfection storage tanks is pumped into the corresponding 50m3 aerobic aeration tanks respectively, an aerator is arranged in the tanks for biochemical degradation of the liquid, and the biogas liquid after aerobic aeration flows into a liquid fertilizer production workshop, part of suspended matters and fine particles are removed through the primary fine filter (200 meshes) to meet the requirement of drip irrigation and field returning, the filtrate is sent to a nutrition compounding tank (10 sides) and is processed into compound microorganism organic fertilizer after strain fermentation and NPK compounding, the compound microorganism organic fertilizer is filtered by a secondary fine filter before returning to the field, a drip irrigation network is prevented from being blocked, a final liquid fertilizer is formed after curing is finished, the final liquid fertilizer is stored in a finished product storage tank, the liquid fertilizer in the finished product storage tank is sent to a drip irrigation system, a centrifugal separator is specifically an LWS-500 double-stage separation centrifuge, the pore size of the screen is 0.074mm, the screen with the pore size of 200 meshes is selected, thus the filtered water can be blended with clear water and then enters a drip irrigation belt, the filter screen of the drip irrigation belt is not blocked, fine particles in cow dung urine serving as raw materials are mainly needle-shaped, if the pore size of the screen of the centrifugal separator is too large and is easy to block the filter screen of the drip irrigation belt, the three centrifugal separators are all supported by a hot galvanizing bracket, the bottom surface height is 120cm, the distance between every two adjacent centrifugal separators is 2.2m.
In summary, the beneficial effects of the utility model are as follows:
1. the centrifugal separator selects an LWS-500 double-stage separation centrifugal machine, the aperture of a screen is 0.074mm, the micro-filtered liquid enters a lower-stage liquid storage tank, and after aeration, organic matters in the liquid are further decomposed into inorganic matters, so that aerobic microorganisms can remove COD in water more quickly, and the purpose of removing pollutants is achieved.
2. The raw material storage tank is fully stirred by adopting a long rod stirrer of a tractor, so that scum, sediment and liquid are uniformly mixed.
3. The secondary fine filtration can remove part of suspended matters and fine particles, so as to avoid blocking a drip irrigation network.
Drawings
In order to more clearly illustrate the technical solution of the present utility model, the drawings that are necessary for the embodiments will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic diagram of the structure of the present utility model.
Illustration of:
wherein, 1-raw material storage tank, 2-solid-liquid separator, 3-centrifugal separator, 4-liquid disinfection storage tank, 5-aerobic aeration tank, 6-first-stage fine filter, 7-nutrition compound tank, 8-second-stage fine filter, 9-finished product storage tank and 10-feeding tank.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As can be seen from the above technical solution, see fig. 1.
Example 1:
a biogas slurry recycling system, comprising: the method comprises the steps of a raw material storage tank 1, a solid-liquid separator 2, microfiltration 3, a liquid disinfection storage tank 4, an aerobic aeration tank 5, a primary fine filter 6, a nutrition compounding tank 7, a secondary fine filter 8 and a finished product storage tank 9, wherein the raw material storage tank 1 is provided with a feed tank 10 for inputting raw materials, the raw material storage tank 1 is connected with the solid-liquid separator 2, the liquid after solid-liquid separation enters a centrifugal separator 3 with the mesh number of 280 meshes for microfiltration, the separated liquid is pumped into three liquid disinfection storage tanks 4, then the liquid in the three liquid disinfection storage tanks 4 is pumped into the corresponding aerobic aeration tank 5 with the size of 50m & lt 3 & gt, the aeration machine is arranged in the tank for biochemical degradation of the liquid, the biogas slurry after the aerobic aeration flows into a liquid fertilizer production workshop, part of suspended matters and fine particles are removed through the primary fine filter 6 (200 mesh screen), the liquid is conveyed into the nutrition compounding tank 7 (10) to be processed into a compound microbial organic fertilizer through strain fermentation and NPK compounding, the liquid is then is conveyed into a liquid microbial organic fertilizer after the compound fertilizer, the liquid is conveyed into a liquid fertilizer system to be stored into a liquid fertilizer system after the drip irrigation system 9 is prevented from being blocked, and finally stored into the liquid fertilizer storage tank 9.
As a preferred embodiment, the centrifugal separator 3 is specifically an LWS-500 double-stage separation centrifugal separator, the pore size of the screen is 0.074, the pore size of the screen is 200 meshes, so that the filtered water can be blended with clear water and then enter the drip irrigation belt, the filter screen of the drip irrigation belt is not blocked, fine particles in cow dung urine serving as raw materials are mainly needle-shaped, and if the pore size of the screen of the centrifugal separator 3 is too large, the filter screen of the drip irrigation belt is easily blocked.
As a preferred embodiment, three centrifugal separators 3 are arranged, three centrifugal separators 3 are all supported by hot galvanizing supports, the bottom surface height is 120cm, and the distance between every two adjacent centrifugal separators 3 is 2.2m.
As a preferred embodiment, three centrifuges 3 correspond to three liquid disinfection reservoirs 4.
As a preferred embodiment, three liquid disinfection storage tanks 4 are corresponding to three, and the volume of the aerobic aeration tank 5 is 50m 3 An aerator is arranged in the aerobic aeration tank 5.
As a preferred embodiment, a tractor long-rod stirrer is arranged in the raw material storage tank 1, the tractor long-rod stirrer is adopted to fully stir raw materials in the raw material storage tank 1, so that scum, sediment and liquid are uniformly mixed, then the liquid after solid-liquid separation is filtered by a centrifugal separator 3, the centrifugal separator 3 selects an LWS-500 double-stage separation centrifuge, the pore size of a screen is 0.074mm, the micro-filtered liquid enters a liquid disinfection storage tank, after aeration, organic matters in the liquid are further decomposed into inorganic matters, so that aerobic microorganisms can remove COD in water more quickly, the purpose of removing pollutants is achieved, the liquid can be used as a drip irrigation fertilizer liquid, enters a water and fertilizer integrated system, the resource utilization is realized, and the separated solid is in the form of slurry and is rich in nutrient substances such as NPK and is led into a separation liquid feeding tank.
As a preferred implementation mode, a microorganism anaerobic fermentation tank is further arranged between the liquid disinfection storage tank 4 and the aerobic aeration tank 5, the link directly carries out secondary fermentation on the biogas slurry, composite bacillus is added into the tank, secondary treatment is carried out on the biogas slurry, and the hydrolysis and acidification processes of the biogas slurry are further carried out.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the utility model being indicated by the following claims.
It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The embodiments of the present utility model described above do not limit the scope of the present utility model.
Claims (7)
1. A biogas slurry recycling system is characterized by comprising: raw materials reservoir (1), solid-liquid separation machine (2), centrifugal separation machine (3), liquid disinfection reservoir (4), good oxygen aeration tank (5), one-level fine filter (6), nutrition is compound jar (7), second grade fine filter (8), finished product reservoir (9), raw materials reservoir (1) are provided with feed chute (10), raw materials reservoir (1) are connected with solid-liquid separation machine (2), solid-liquid separation machine (2) are connected with centrifugal separation machine (3), centrifugal separation machine (3) are connected with liquid disinfection reservoir (4), liquid disinfection reservoir (4) are connected with one-level fine filter (6), one-level fine filter (6) are connected with nutrition and compound jar (7), nutrition is compound jar (7) are connected with second grade fine filter (8), second grade fine filter (8) are connected with finished product reservoir (9).
2. The biogas slurry recycling system according to claim 1, wherein the centrifugal separator (3) is a LWS-500 double-stage separation centrifuge, and the mesh aperture is 0.074mm.
3. The biogas slurry recycling system according to claim 2, wherein three centrifugal separators (3) are arranged, the three centrifugal separators (3) are all supported by hot galvanizing supports, the bottom surface height is 120cm, and the distance between every two adjacent centrifugal separators is 2.2m.
4. A biogas slurry recycling system according to claim 3, characterized in that three centrifugal separators (3) correspond to three liquid disinfection reservoirs.
5. The biogas slurry recycling system according to claim 4, wherein three liquid disinfection storage tanks (4) correspond to three aerobic aeration tanks (5), and the volume of the aerobic aeration tanks (5) is 50m 3 An aerator is arranged in the aerobic aeration tank (5).
6. The biogas slurry recycling system according to claim 1, wherein a tractor long-rod stirrer is installed in the raw material storage tank (1).
7. The biogas slurry recycling system according to claim 1, wherein a microorganism adapter is further arranged between the liquid disinfection storage tank (4) and the aerobic aeration tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321037996.4U CN219670400U (en) | 2023-05-04 | 2023-05-04 | Biogas slurry recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321037996.4U CN219670400U (en) | 2023-05-04 | 2023-05-04 | Biogas slurry recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219670400U true CN219670400U (en) | 2023-09-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321037996.4U Active CN219670400U (en) | 2023-05-04 | 2023-05-04 | Biogas slurry recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219670400U (en) |
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2023
- 2023-05-04 CN CN202321037996.4U patent/CN219670400U/en active Active
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