CN211394245U - Anaerobic fermentation liquor treatment equipment for livestock manure - Google Patents
Anaerobic fermentation liquor treatment equipment for livestock manure Download PDFInfo
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- CN211394245U CN211394245U CN201921366515.8U CN201921366515U CN211394245U CN 211394245 U CN211394245 U CN 211394245U CN 201921366515 U CN201921366515 U CN 201921366515U CN 211394245 U CN211394245 U CN 211394245U
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Abstract
An anaerobic fermentation liquor treatment device for livestock manure, which solves the serious problem of non-point source pollution at present. The utility model discloses a fermentation natural pond liquid reservoir is connected with centrifuge through the pipeline, centrifuge's output and stainless steel membrane filter equipment's input are connected, centrifuge's lower extreme is equipped with the solid feedback pipeline, stainless steel membrane filter equipment's output and RO membrane filter equipment's input are connected, stainless steel membrane filter equipment's lower extreme is equipped with concentrate output pipeline, RO membrane filter equipment's output and degassing unit's input are connected, RO membrane filter equipment's lower extreme is equipped with concentrate output pipeline, 3 outside parcels of stainless steel membrane filter equipment have condensing system. The utility model has the advantages that: the continuous utilization of water resources is realized, the solid obtained by the equipment separation is used for backing up the livestock house, and the concentrated solution obtained by the equipment separation is used for producing organic fertilizers, so that the complete cyclic utilization of natural resources is realized.
Description
Technical Field
The utility model relates to a livestock manure anaerobic fermentation liquor treatment technology. In particular to a livestock manure anaerobic fermentation liquor treatment device.
Background
At present, with the rapid development of market economy in China, intensive and large-scale livestock and poultry breeding industry is rapidly developed and becomes an important prop industry of agriculture in China. In recent years, livestock and poultry excrement discharge disorder is a common phenomenon. In addition, the livestock and poultry manure is a serious problem of the current non-point source pollution in China, the current situation of water resource shortage in China is aggravated, and the sustainable development of economy in China is restricted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the prior livestock and poultry manure is serious in the current non-point source pollution of China, providing livestock and poultry manure anaerobic fermentation liquor treatment equipment, solving the specific technical scheme as follows:
the utility model discloses a livestock manure anaerobism zymotic fluid treatment facility, by fermentation natural pond liquid reservoir 1, centrifuge 2, stainless steel membrane filter equipment 3, RO membrane filter equipment 4, degassing unit 5 and condensing system constitute, fermentation natural pond liquid reservoir 1 is connected with centrifuge 2's input through the pipeline, centrifuge 2's output is connected with stainless steel membrane filter equipment 3's input, centrifuge 2's lower extreme is equipped with solid feedback pipeline 7, stainless steel membrane filter equipment's output is connected with RO membrane filter equipment 4's input, stainless steel membrane filter equipment's lower extreme is equipped with stainless steel membrane concentrate output pipeline 8, RO membrane filter equipment 4's output is connected with degassing unit 5's input, RO membrane filter equipment 4's lower extreme is equipped with RO membrane concentrate output pipeline 9, stainless steel membrane filter equipment 3 outside parcel has condensing system.
The utility model discloses an advantage of livestock manure anaerobism zymotic fluid treatment facility: firstly, the stainless steel film is hard and easy to clean and has strong restorability; secondly, the initial COD of the livestock and poultry manure fermentation biogas slurry is 19000 mg/L-24000 mg/L, after the livestock and poultry manure fermentation biogas slurry is treated by a stainless steel membrane, the COD of the filtered livestock and poultry manure fermentation biogas slurry is 2000 mg/L-3000 mg/L, the removal rate of the COD is 89% -92%, after the RO treatment, the COD of the treated livestock and poultry manure fermentation biogas slurry is 60 mg/L-90 mg/L, the removal rate of the COD is 97% -98%, finally, clear and transparent clean water of the treated livestock and poultry manure fermentation biogas slurry is obtained and used for livestock houses and washing and green land irrigation, the sustainable utilization of water resources is realized, solid substances obtained by equipment separation are filled back into the livestock houses, and concentrated liquid obtained by equipment separation is used for production. The complete cyclic utilization of natural resources is realized, so that no waste is left for the atmosphere, water and soil.
Drawings
Fig. 1 is a schematic structural diagram of the present invention, wherein arrows indicate water flowing direction or residual separating direction, fig. 2 is a schematic structural diagram of the stainless steel membrane filtering device horizontally disposed in fig. 1, and fig. 3 is a schematic vertical structural diagram of the stainless steel membrane filtering device in fig. 1.
Detailed Description
The first embodiment is as follows: this embodiment is described in conjunction with fig. 1. This embodiment is by fermentation natural pond liquid reservoir 1, centrifuge 2, stainless steel membrane filter equipment 3, RO membrane filter equipment 4, degassing unit 5 and condensing system constitute, fermentation natural pond liquid reservoir 1 is connected with centrifuge 2's input through the pipeline, centrifuge 2's output is connected with stainless steel membrane filter equipment 3's input, centrifuge 2's lower extreme is equipped with solid feedback pipeline 7, stainless steel membrane filter equipment's output is connected with RO membrane filter equipment 4's input, stainless steel membrane filter equipment's lower extreme is equipped with stainless steel membrane concentrate output pipeline 8, RO membrane filter equipment 4's output is connected with degassing unit 5's input, RO membrane filter equipment 4's lower extreme is equipped with RO membrane concentrate output pipeline 9, 3 outside parcels of stainless steel membrane filter equipment have condensing system.
The stainless steel film is installed horizontally or vertically.
According to the embodiment, a high-pressure cross-flow filtration mode is adopted in the stainless steel membrane, so that a membrane pollution layer formed on the membrane surface is reduced by high-strength shearing force generated when the fermented biogas slurry flows through the membrane surface, and meanwhile, microbial cells and organic matters blocked in membrane pores are broken down to form honeycomb-shaped pore channels, so that filtrate can pass through the honeycomb-shaped pore channels. The livestock manure fermented biogas slurry has various and high-content microorganisms and organic matters, and the microbial cells and the organic matters can be punctured to form honeycomb-shaped pore channels by using the stainless steel membrane, so that the backwashing frequency is reduced compared with other membranes or filter elements, the period is prolonged, and meanwhile, the combined water in the livestock manure is removed to a certain extent, so that the yield of water is increased, and the amount of concentrated solution is reduced.
The second embodiment is as follows: this embodiment is described in conjunction with fig. 1. The number of revolutions of the centrifuge 2 according to the present embodiment is 3500 revolutions/minute.
In the stainless steel membrane cleaning process, feed liquid in a tank body is poured out, liquid in a pipeline is emptied, water is injected into the tank body, sodium hydroxide and a cleaning agent are added, equipment is operated again, pressure is not needed, filtrate does not need to be discharged, the flow rate is increased, circular washing is carried out, operation is finished for 30min approximately, the filtrate is discharged, cleaning is finished, and the separated solid is fed back to a cattle bed. And (3) in the process of the RO membrane filtration device, 25kg of water is fed, the pressure is adjusted to be 28MPa, 15kg of water is discharged after 14min, the pressure is increased to be 39MPa, the time is adjusted to be 19min, the discharging of 20kg of water is finished, and the separated concentrated solution (the residue which does not pass through the membrane) is used for producing organic fertilizer.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and concept of the present invention within the technical scope disclosed in the present invention, and all the technical solutions and concepts should be covered within the scope of the present invention.
Claims (2)
1. The utility model provides a livestock manure anaerobism zymotic fluid treatment facility, it comprises fermentation natural pond liquid reservoir (1), centrifuge (2), stainless steel membrane filter equipment (3), RO membrane filter equipment (4), degassing unit (5) and condensing system, its characterized in that: fermentation natural pond liquid reservoir (1) is connected with the input of centrifuge (2) through the pipeline, the output of centrifuge (2) is connected with the input of stainless steel membrane filter equipment (3), the lower extreme of centrifuge (2) is equipped with solid feedback pipeline (7), stainless steel membrane filter equipment's output is connected with the input of RO membrane filter equipment (4), stainless steel membrane filter equipment's lower extreme is equipped with stainless steel membrane concentrate output pipeline (8), the output of RO membrane filter equipment (4) is connected with the input of degassing unit (5), the lower extreme of RO membrane filter equipment (4) is equipped with RO membrane concentrate output pipeline (9), stainless steel membrane filter equipment (3) outside parcel has condensing system.
2. The apparatus of claim 1 for anaerobic fermentation of livestock manure, characterized by: the revolution number of the centrifuge (2) is 3500 rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366515.8U CN211394245U (en) | 2019-08-21 | 2019-08-21 | Anaerobic fermentation liquor treatment equipment for livestock manure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366515.8U CN211394245U (en) | 2019-08-21 | 2019-08-21 | Anaerobic fermentation liquor treatment equipment for livestock manure |
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| CN211394245U true CN211394245U (en) | 2020-09-01 |
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| CN201921366515.8U Active CN211394245U (en) | 2019-08-21 | 2019-08-21 | Anaerobic fermentation liquor treatment equipment for livestock manure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386749A (en) * | 2019-08-21 | 2019-10-29 | 高大文 | A kind of processing method and equipment of the zero-emission of excrement of animals anaerobic fermented liquid |
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2019
- 2019-08-21 CN CN201921366515.8U patent/CN211394245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386749A (en) * | 2019-08-21 | 2019-10-29 | 高大文 | A kind of processing method and equipment of the zero-emission of excrement of animals anaerobic fermented liquid |
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