CN109569082B - Method for treating culture biogas slurry - Google Patents
Method for treating culture biogas slurry Download PDFInfo
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- CN109569082B CN109569082B CN201811513610.6A CN201811513610A CN109569082B CN 109569082 B CN109569082 B CN 109569082B CN 201811513610 A CN201811513610 A CN 201811513610A CN 109569082 B CN109569082 B CN 109569082B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/003—Filters in combination with devices for the removal of liquids
- B01D36/006—Purge means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
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Abstract
The invention discloses a method for treating culture biogas slurry, which belongs to the technical field of biogas slurry treatment and comprises the following steps: flocculation; preliminary pre-filtering, wherein the biogas slurry is subjected to flocculation treatment and then enters a multi-claw floating ball type pre-filtering device through a pump for preliminary pre-filtering; performing solid-liquid separation, namely, after preliminary pre-filtration, allowing the biogas slurry to enter an ultrafiltration membrane filtration and clarification system, and performing solid-liquid separation in a cross-flow filtration mode; concentration, after the clarification system is filtered to the milipore filter, get into the concentrated system of reverse osmosis membrane, adopt the cross-flow to filter and concentrate, this scheme can utilize thousand claw floater to snatch the large-scale impurity of suspension form to utilize the characteristic of self to dissolve adnexed large-scale impurity, back mix in natural pond liquid again, make and filter more thoroughly, alleviateed the pressure of follow-up solid-liquid separation process simultaneously greatly, natural pond liquid utilization ratio is higher, guarantee the steady operation of milipore filter clarification system, reduce the potential safety hazard from the source.
Description
Technical Field
The invention relates to the technical field of biogas slurry treatment, in particular to a method for treating culture biogas slurry.
Background
In recent years, the livestock breeding industry in China is rapidly developed, and plays more and more important roles in guaranteeing the supply of urban and rural livestock products, improving the income of farmers and promoting the economic development of rural areas, however, many problems are also shown, a large amount of breeding waste is generated, and the pollution problem of livestock breeding is increasingly severe due to the relative lag of the protection work of the livestock breeding environment in China. The direct discharge of the livestock and poultry breeding feces occupies and pollutes farmlands and water bodies, generates stink, causes death of water body organisms and the like, and the livestock and poultry breeding pollution becomes an important factor source of environmental pollution in China. The biogas engineering is one of the main solutions for pollution treatment of cultivation wastes at present as an energy-saving and emission-reducing technology, but the generated biogas slurry has great influence on the environment and has the problems of large yield, high water content, high treatment cost, difficult storage and transportation and the like. Because the biogas slurry contains abundant amino acids, major elements such as nitrogen, phosphorus, potassium and the like required by plant growth, a plurality of growth hormones, vitamins and the like, the biogas slurry has important effects on improving soil fertility, improving soil granular structure and improving soil continuous production capacity after being applied to farmlands, has certain functions of increasing yield, resisting cold and diseases and insects for various crops, can save the dosage of pesticides and fertilizers, and is a green environment-friendly fertilizer.
Therefore, with the sustainable development of recycling managers and ecological agriculture, the application of biogas slurry is gradually developed and utilized by the market, however, due to the characteristics of the biogas slurry, an effective solution is urgently needed for the application of the technology, under the background, the membrane separation and concentration technology is applied, the membrane separation technology can filter and clarify the biogas slurry, and then the clarified biogas slurry is concentrated by the membrane concentration technology, so that the reduction and standardization of the biogas slurry are realized, the deep development of the high-valued technology of the biogas slurry is facilitated, the rapid development of the industrialization of the whole biogas slurry is greatly promoted, and the method has good economic benefit, social benefit and environmental benefit.
Utilize membrane concentration technique to breed the processing procedure of natural pond liquid and generally include flocculation treatment, preliminary prefiltration, ultrafiltration membrane filtration clarification system GCM-C and reverse osmosis membrane concentration system GCM-S, natural pond liquid gets into preliminary prefiltration process through the pump after flocculation treatment, the main objective is in order to prevent that big particle impurity from getting into ultrafiltration membrane filtration clarification system, prevent the jam of membrane runner, perhaps hard particle leads to the fact the damage to the membrane, it is safer to protect ultrafiltration membrane filtration clarification system, stable operation, therefore preliminary prefiltration is the stable prerequisite of going on of whole processing technology. However, the existing preliminary pre-filtering process is not complete enough, so that incomplete filtration is caused, a small amount of large particles still enter an ultrafiltration membrane filtering and clarifying system to block a membrane flow channel, some hard particles can damage the membrane, the stable operation of the ultrafiltration membrane filtering and clarifying system is influenced, and certain potential safety hazards exist.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method for treating culture biogas slurry, which can utilize a multi-claw floating ball to grab suspended large-scale impurities, dissolve the attached large-scale impurities by utilizing the characteristics of the multi-claw floating ball, and then mix the large-scale impurities back into the biogas slurry, so that the filtration is more thorough, the pressure of the subsequent solid-liquid separation process is greatly reduced, the utilization rate of the biogas slurry is higher, the stable operation of an ultrafiltration membrane filtration and clarification system is ensured, and the potential safety hazard is reduced from the source.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A treatment method of culture biogas slurry comprises the following steps:
s1, flocculation, namely adding a flocculating agent into the biogas slurry for flocculation treatment to enable particles, colloidal substances and soluble organic matters in the biogas slurry to generate micro flocs;
s2, primary prefiltering, wherein the biogas slurry is subjected to flocculation treatment and then enters a thousand claw floating ball type prefilter device through a pump for primary prefiltering;
s3, performing solid-liquid separation, feeding the biogas slurry into an ultrafiltration membrane filtering and clarifying system after preliminary prefiltering, performing solid-liquid separation in a cross-flow filtering mode, feeding the permeate into a collecting box for collection, and feeding the concentrated solution back to the preliminary prefiltering system for circular treatment;
and S4, concentrating, filtering by an ultrafiltration membrane and clarifying system, then feeding into a reverse osmosis membrane concentration system, and concentrating by adopting cross-flow filtration.
Can utilize thousand claw floater to snatch the large-scale impurity of suspension form to utilize the characteristic of self to dissolve adnexed large-scale impurity, mix in natural pond liquid again, make to filter more thoroughly, alleviateed the pressure of follow-up solid-liquid separation process simultaneously greatly, natural pond liquid utilization ratio is higher, guarantees the stable operation of milipore filter clarification system, reduces the potential safety hazard from the source.
Further, thousand claw floater type prefilter unit includes that the upper end is connected with the processing barrel of last sealed lid, the side intercommunication that processing barrel kept away from last sealed lid has feed liquor pipe and slag pipe, and feed liquor pipe and slag pipe set up about processing barrel symmetry, it has the drain pipe to handle barrel medial side intercommunication, it is equipped with thousand claw floater filter layer and high performance filter screen to handle barrel inboard, thousand claw floater filter layer and high performance filter screen side all with handle barrel inner wall joint, and the high performance filter screen is located thousand claw floater filter layer upside for filter more thoroughly, alleviateed the pressure natural pond liquid utilization ratio of follow-up solid-liquid separation process simultaneously greatly, guarantee that the milipore filter filters clarification system's steady operation, reduce the potential safety hazard from the source.
Furthermore, the multi-claw floating ball type prefilter device further comprises a liquid guide pipe and a spray head, wherein the spray head is positioned on the inner side of the processing barrel, a through hole is formed in the upper sealing cover, the liquid guide pipe penetrates through the through hole and is communicated with the spray head, the liquid guide pipe is connected with an external water pipe, and the spray head can be used for washing and cleaning the inside of the spray head.
Further, thousand claw floater filter layers include basic unit's filtration net and a plurality of thousand claw floater, basic unit filters the net side and handles barrel inner wall joint, basic unit filters the net lower extreme and is connected with honeycomb type grid, thousand claw floater is located honeycomb type grid inboard, and is connected with between thousand claw floater and the honeycomb type grid inner wall and is connected the rope, and thousand claw floater is injectd in honeycomb type grid inboard, arranges neatly, difficult intertwine.
Furthermore, the thousand claw floater includes spherical shell, foam ball and feeler, the foam ball is located the spherical shell inboard, the surface, the feeler can catch large-scale suspended impurity in the natural pond liquid, blocks that large-scale suspended impurity passes through basic unit and filters the net, the inboard foam ball of spherical shell can guarantee the buoyancy of thousand claw floater.
Further, the antenna is including hanging hair and connecting pipe, the connecting pipe is connected between hanging hair and spherical shell, and connecting pipe and spherical shell are 3D printing material and use 3D printing technique preparation to form, and 3D printing material degradable also makes things convenient for the preparation of connecting pipe and spherical shell in the environmental protection.
Furthermore, the spherical shell is wrapped with the hydrotropy fermentation liquid, the hydrotropy fermentation liquid is protein dissolving liquid, the spherical shell is communicated with the connecting pipe, the protein dissolving liquid dissolves attached large-scale impurities and then the large-scale impurities are back-doped in the biogas slurry, and the utilization rate of the biogas slurry is higher.
Further, thousand claw floater filter layer upside are equipped with biological filtration adsorption mesh, biological filtration adsorption mesh side and the joint of handling barrel inner wall, utilize biological filtration adsorption mesh to carry out secondary filter, strengthen the filter effect.
Furthermore, the treatment barrel body is divided into an upper section and a lower section, a connecting sealing ring is connected between the upper section and the lower section, and the sealing ring can be opened to clean and replace internal devices.
Further, the drain pipe is equipped with a plurality ofly, and a plurality of drain pipes are close to respectively and adsorb the net upside with biological filtration in high performance filter screen, reducible gained filtrating supernatant's floater.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can utilize thousand claws floater to snatch the large-scale impurity of suspension form to utilize the characteristic of self to dissolve adnexed large-scale impurity, mix in natural pond liquid again, make to filter more thoroughly, alleviateed the pressure of follow-up solid-liquid separation process simultaneously greatly, natural pond liquid utilization ratio is higher, guarantees the stable operation of milipore filter clarification system, reduces the potential safety hazard from the source.
(2) Thousand claws flotation cell type prefilter unit includes that the upper end is connected with the processing barrel of sealed lid, the side intercommunication that sealed lid was kept away from to processing barrel has feed liquor pipe and slag discharging pipe, and feed liquor pipe and slag discharging pipe set up about processing barrel symmetry, it has the drain pipe to handle barrel middle side intercommunication, it is equipped with thousand claws floater filter layer and high performance filter screen to handle the barrel inboard, thousand claws floater filter layer and high performance filter screen side all with processing barrel inner wall joint, and the high performance filter screen is located thousand claws floater filter layer upside, make and filter more thoroughly, the pressure of follow-up solid-liquid separation process has been alleviateed greatly simultaneously, the natural pond liquid utilization ratio is higher, guarantee the steady operation of milipore filter clarification system, reduce the potential safety hazard from the source.
(3) The multi-claw floating ball type pre-filtering device further comprises a liquid guide pipe and a spray head, the spray head is located on the inner side of the processing barrel, a through hole is formed in the upper sealing cover, the liquid guide pipe penetrates through the through hole and is communicated with the spray head, an external water pipe is connected, and the spray head can be used for washing and cleaning the inside of the spray head.
(4) Thousand claw floater filter layers include basic unit's filtration net and a plurality of thousand claw floater, and basic unit's filtration net side is connected with honeycomb type grid with handling barrel inner wall joint, and basic unit's filtration net lower extreme is connected with honeycomb type grid, and thousand claw floater is located honeycomb type grid inboard, and is connected with between thousand claw floater and the honeycomb type grid inner wall and is connected the rope, and thousand claw floater is injectd at honeycomb type grid inboard, arranges neatly, difficult intertwine.
(5) The thousand claw floater includes spherical shell, foam ball and feeler, and the foam ball is located the spherical shell inboard, the surface, and the feeler can catch large-scale suspension impurity in the natural pond liquid, blocks that large-scale suspension impurity passes through basic unit and filters the net, and the buoyancy of thousand claw floater can be guaranteed to the inboard foam ball of spherical shell.
(6) The antenna is including hanging hair and connecting pipe, and the connecting pipe is connected between hanging hair and spherical shell, and connecting pipe and spherical shell are 3D and print the material and use 3D printing technique preparation to form, and 3D prints the material degradable, also makes things convenient for the preparation of connecting pipe and spherical shell in the environmental protection.
(7) The spherical shell is internally wrapped with the hydrotropy fermentation liquid which is protein dissolving liquid, the spherical shell is communicated with the connecting pipe, the protein dissolving liquid dissolves attached large-scale impurities, and the large-scale impurities are back-doped in the biogas slurry, so that the utilization rate of the biogas slurry is higher.
(8) Thousand claw floater filter layer upside are equipped with biological filtration adsorption grid, and biological filtration adsorption grid side and the joint of handling barrel inner wall utilize biological filtration adsorption grid to carry out secondary filter, strengthen the filter effect.
(9) The treatment barrel body is divided into an upper section and a lower section, a connecting sealing ring is connected between the upper section and the lower section, and the sealing ring can be opened to clean and replace internal devices.
(10) The drain pipe is equipped with a plurality ofly, and a plurality of drain pipes are close to respectively and adsorb the net upside with biological filtration in high performance filter screen, reducible gained filtrating supernatant's floater.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the multi-pawl float of the present invention;
FIG. 5 is a schematic view of the structure at B in FIG. 4;
FIG. 6 is a process flow diagram of the present invention.
The reference numbers in the figures illustrate:
1 processing cylinder, 2 connecting rope, 3 upper sealing cover, 4 liquid guide pipe, 5 liquid inlet pipe, 6 slag outlet pipe, 7 connecting sealing ring, 8 liquid outlet pipe, 9 spherical shell, 10 antenna, 1001, hair hanging, 1002, connecting pipe, 11 spray head, 12 high-performance filter screen, 13 foam ball, 14 biological filtration adsorption mesh, 15 basic layer filter mesh and 16 honeycomb type grid.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 6, a method for treating a culture biogas slurry includes the following steps:
s1, flocculation, namely adding a flocculating agent into the biogas slurry for flocculation treatment to enable particles, colloidal substances and soluble organic matters in the biogas slurry to generate micro flocs;
s2, performing preliminary prefiltering, wherein biogas slurry is subjected to flocculation treatment and then enters a thousand claw floating ball type prefilter through a pump for preliminary prefiltering, filtered biogas residues are used for granulation, and the biogas slurry enters an intermediate water tank;
s3, performing solid-liquid separation, enabling biogas slurry in the middle water tank to enter an ultrafiltration membrane filtering and clarifying system after preliminary prefiltering, performing solid-liquid separation in a cross-flow filtering mode, enabling permeate liquid to enter a collecting tank for collection, and returning concentrated liquid to the preliminary prefiltering system for circular treatment;
and S4, concentrating, filtering and clarifying by an ultrafiltration membrane, feeding into a reverse osmosis membrane concentration system, concentrating by adopting cross-flow filtration, using the obtained membrane filtrate for agricultural water, and using the obtained membrane concentrated solution for manufacturing organic fertilizers.
Referring to fig. 1, the multi-claw floating ball type prefilter comprises a processing cylinder 1, the upper end of which is connected with an upper sealing cover 3, the side end of the processing cylinder 1, which is far away from the upper sealing cover 3, is communicated with a liquid inlet pipe 5 and a slag outlet pipe 6, the liquid inlet pipe 5 and the slag outlet pipe 6 are symmetrically arranged relative to the processing cylinder 1, the middle side of the processing cylinder 1 is communicated with a liquid outlet pipe 8, biogas slurry is introduced into the inner side of the processing cylinder 1 from the bottom end, some bottom-sinking type impurities are directly discharged along with biogas residues without being filtered, only some large-scale suspended impurities move upwards along with the biogas slurry for filtering, and the pressure of the filtering operation;
referring to fig. 2, the inner side of the treatment barrel body 1 is provided with the thousand claw floating ball filtering layer and the high-performance filtering net 12, the side ends of the thousand claw floating ball filtering layer and the high-performance filtering net 12 are clamped with the inner wall of the treatment barrel body 1, and the high-performance filtering net 12 is positioned on the upper side of the thousand claw floating ball filtering layer, so that the filtering is more thorough, the pressure of a subsequent solid-liquid separation process is greatly reduced, the biogas slurry utilization rate is higher, the stable operation of a ultrafiltration membrane filtering and clarifying system is ensured, and the potential safety hazard is.
Referring to fig. 2, the multi-claw floating ball type pre-filtering device further includes a liquid guide tube 4 and a spray head 11, the spray head 11 is located inside the processing cylinder 1, a through hole is drilled on the upper sealing cover 3, the liquid guide tube 4 penetrates through the through hole and is communicated with the spray head 11 to be connected with an external water pipe, and the spray head 11 can be used for cleaning the inside of the spray head 11.
Please refer to fig. 2, the multi-claw floating ball filtering layer comprises a base layer filtering grid 15 and a plurality of multi-claw floating balls, the meshes of the base layer filtering grid 15 are inverted funnel-shaped, the multi-claw floating balls are conveniently and stably clamped at the meshes, meanwhile, biogas slurry smoothly circulates, the side end of the base layer filtering grid 15 is clamped with the inner wall of the processing barrel 1, the lower end of the base layer filtering grid 15 is connected with a honeycomb type grid 16, the multi-claw floating balls are located at the inner side of the honeycomb type grid 16, a connecting rope 2 is connected between the inner walls of the multi-claw floating balls and the honeycomb type grid 16, the multi-claw floating balls are limited at the inner side of the honeycomb.
Referring to fig. 3 and 4, the thousand claw floating ball includes a spherical shell 9, foam balls 13 and an antenna 10, the foam balls 13 are located inside the spherical shell 9, the foam balls 10 are densely distributed on the surface of the spherical shell 9, the antenna 10 can capture large suspended impurities in the biogas slurry, prevent the large suspended impurities from passing through the base layer filter mesh 15, and the foam balls 13 inside the spherical shell 9 can ensure the buoyancy of the thousand claw floating ball.
Referring to fig. 5, the antenna 10 includes a hanging hair 1001 and a connecting pipe 1002, the connecting pipe 1002 is connected between the hanging hair 1001 and the spherical shell 9, and the connecting pipe 1002 and the spherical shell 9 are both made of 3D printing materials and manufactured by using a 3D printing technology, and the 3D printing materials are degradable, so that the connecting pipe 1002 and the spherical shell 9 can be conveniently manufactured while protecting the environment.
Referring to fig. 4, the spherical shell 9 is wrapped with the solubilizing-aid fermentation liquid, the solubilizing-aid fermentation liquid is protein solution, the spherical shell 9 is communicated with the connecting pipe 1002, the protein solution dissolves the attached large-scale impurities, and the large-scale impurities are back-doped into the biogas slurry, so that the utilization rate of the biogas slurry is higher.
Referring to fig. 2, a biological filtering and adsorbing grid 14 is disposed on the upper side of the filtering layer of the multi-claw floating ball, the side end of the biological filtering and adsorbing grid 14 is clamped with the inner wall of the processing cylinder 1, and the biological filtering and adsorbing grid 14 is used for secondary filtering to enhance the filtering effect.
Referring to fig. 1, the processing cylinder 1 is divided into an upper section and a lower section, and a connecting sealing ring 7 is connected between the upper section and the lower section, so that the sealing ring 7 can be opened to clean and replace internal devices.
Referring to fig. 2, a plurality of liquid outlet pipes 8 are provided, and the plurality of liquid outlet pipes 8 are respectively close to the upper sides of the high performance filter screen 12 and the biological filtering and adsorbing grid 14, so as to reduce floating objects in the supernatant of the obtained filtrate.
The treatment process in this scheme includes flocculation, preliminary prefiltration, solid-liquid separation and concentration, wherein, in preliminary prefiltration process, utilize thousand claw floater to snatch the large-scale impurity of suspension form, and utilize the characteristic of self to dissolve adnexed large-scale impurity, mix in the natural pond liquid again, make and filter more thoroughly, alleviateed the pressure of follow-up solid-liquid separation process simultaneously greatly, natural pond liquid utilization ratio is higher, guarantee the stable operation of milipore filter filtration clarification system, reduce the potential safety hazard from the source.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. A treatment method of culture biogas slurry is characterized by comprising the following steps: the method comprises the following steps:
s1, flocculation, namely adding a flocculating agent into the biogas slurry for flocculation treatment to enable particles, colloidal substances and soluble organic matters in the biogas slurry to generate micro flocs;
s2, primary prefiltering, wherein the biogas slurry is subjected to flocculation treatment and then enters a thousand claw floating ball type prefilter device through a pump for primary prefiltering;
s3, performing solid-liquid separation, feeding the biogas slurry into an ultrafiltration membrane filtering and clarifying system after preliminary prefiltering, performing solid-liquid separation in a cross-flow filtering mode, feeding the permeate into a collecting box for collection, and feeding the concentrated solution back to the preliminary prefiltering system for circular treatment;
s4, concentrating, filtering and clarifying by an ultrafiltration membrane, then feeding into a reverse osmosis membrane concentration system, and concentrating by adopting cross-flow filtration;
the multi-claw floating ball type pre-filtering device comprises a processing barrel (1) of which the upper end is connected with an upper sealing cover (3), the side end, far away from the upper sealing cover (3), of the processing barrel (1) is communicated with a liquid inlet pipe (5) and a slag outlet pipe (6), the liquid inlet pipe (5) and the slag outlet pipe (6) are symmetrically arranged relative to the processing barrel (1), the middle side of the processing barrel (1) is communicated with a liquid outlet pipe (8), a multi-claw floating ball filtering layer and a high-performance filtering net (12) are arranged on the inner side of the processing barrel (1), the side ends of the multi-claw floating ball filtering layer and the high-performance filtering net (12) are respectively connected with the inner wall of the processing barrel (1) in a clamping manner, and the high-performance; the multi-claw floating ball comprises a ball shell (9), a foam ball (13) and an antenna (10), wherein the foam ball (13) is positioned on the inner side of the ball shell (9), and the antenna (10) is densely distributed on the surface of the ball shell (9).
2. The method for treating the culture biogas slurry as claimed in claim 1, wherein the method comprises the following steps: thousand claw floater type prefilter still include catheter (4) and shower nozzle (11), shower nozzle (11) are located and handle barrel (1) inboard, it has the through-hole to cut on sealed lid (3) to go up, catheter (4) run through the through-hole and are linked together with shower nozzle (11).
3. The method for treating the culture biogas slurry as claimed in claim 1, wherein the method comprises the following steps: thousand claw floater filter layers include basic unit and filter net (15) and a plurality of thousand claw floater, basic unit filters net (15) side and handles barrel (1) inner wall joint, basic unit filters net (15) lower extreme and is connected with honeycomb type grid (16), thousand claw floater is located honeycomb type grid (16) inboardly, and is connected with between thousand claw floater and honeycomb type grid (16) inner wall and connects rope (2).
4. The method for treating the culture biogas slurry as claimed in claim 1, wherein the method comprises the following steps: the antenna (10) comprises a hanging hair (1001) and a connecting pipe (1002), the connecting pipe (1002) is connected between the hanging hair (1001) and the spherical shell (9), and the connecting pipe (1002) and the spherical shell (9) are made of 3D printing materials and are manufactured by using a 3D printing technology.
5. The method for treating the culture biogas slurry as claimed in claim 4, wherein the method comprises the following steps: the spherical shell (9) is internally wrapped with a solubilizing-aid fermentation liquid which is a protein dissolving liquid, and the spherical shell (9) is communicated with the connecting pipe (1002).
6. The method for treating the culture biogas slurry as claimed in claim 1, wherein the method comprises the following steps: thousand claw floater filter layer upside is equipped with biological filtration adsorption grid (14), biological filtration adsorption grid (14) side and the joint of handling barrel (1) inner wall.
7. The method for treating the culture biogas slurry as claimed in claim 1, wherein the method comprises the following steps: the treatment cylinder body (1) is divided into an upper section and a lower section, and a connecting sealing ring (7) is connected between the upper section and the lower section.
8. The method for treating the culture biogas slurry as claimed in claim 6, wherein the method comprises the following steps: drain pipe (8) are equipped with a plurality ofly, and a plurality of drain pipe (8) are close to respectively in high performance filter screen (12) and biofiltration adsorption grid (14) upside.
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| CN105692962A (en) * | 2016-03-14 | 2016-06-22 | 宁波大学 | Biogas slurry treatment and resource utilization method |
| CN205850330U (en) * | 2016-06-14 | 2017-01-04 | 南京海益环保工程有限公司 | A kind of fiber ball filter |
| CN107311702A (en) * | 2017-08-09 | 2017-11-03 | 上海田应农业科技有限公司 | A kind of method that livestock and poultry farm fecaluria biogas slurry integrated treatment recovery prepares Liquid Fertilizer |
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