CN111548199B - Multistage biogas slurry and residue treatment device and method - Google Patents
Multistage biogas slurry and residue treatment device and method Download PDFInfo
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- CN111548199B CN111548199B CN202010357011.0A CN202010357011A CN111548199B CN 111548199 B CN111548199 B CN 111548199B CN 202010357011 A CN202010357011 A CN 202010357011A CN 111548199 B CN111548199 B CN 111548199B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a multistage treatment device and a multistage treatment method for biogas slurry and biogas residues, comprising an equipment shell, a solid-liquid separation device, a fermentation device and a liquid treatment device, wherein the solid-liquid separation device is arranged in the equipment shell and used for separating solid from liquid of the biogas slurry and the biogas residues; the solid-liquid separation equipment comprises a first separation equipment, a second separation equipment and a third separation equipment which are connected in sequence; according to the invention, multistage solid-liquid separation of waste material, namely biogas slurry and biogas residues after biogas fermentation is realized through the first separation equipment, the second separation equipment and the third separation equipment, so that the separation of the biogas residues and the biogas slurry is realized more thoroughly, and the special utilization of the biogas residues and the biogas slurry can be realized.
Description
Technical Field
The invention relates to the technical field of biogas slurry and residue treatment and utilization equipment, in particular to a biogas slurry and residue multistage treatment device and method.
Background
Biogas fermentation refers to a process that organic substances are decomposed and metabolized by various microorganisms under certain moisture, temperature and anaerobic conditions to finally form combustible mixed gas such as methane, carbon dioxide and the like. The biogas fermentation system is based on a biogas fermentation principle, and aims at energy production, so that comprehensive utilization of biogas, biogas slurry and biogas residues is finally realized.
As early as 07 years, china starts to develop and support the construction of the methane tank, and particularly rural areas are important. In order to increase the popularization force, the government also plays a series of subsidy measures.
However, the biogas fermentation is difficult to popularize better due to the complex waste cleaning process after the biogas fermentation. The biogas slurry is brown bright liquid formed by fermenting organic substances, and contains various beneficial substances such as chloric acid, vitamins, proteins, auxin, saccharides, nucleic acid, antibiotics and the like; the biogas residues are rich in organic matters, humic acid, trace nutrient elements, various amino acids, enzymes, beneficial microorganisms and other beneficial substances; if the waste materials after fermentation can be effectively utilized, the waste material removal problem after biogas fermentation of the biogas digester can be effectively solved, and the development of biogas fermentation can be indirectly driven; and can effectively utilize waste, and is more environment-friendly.
Disclosure of Invention
Aiming at the problems, the invention provides a biogas slurry and residue multistage treatment device and method.
The technical scheme of the invention is as follows: the multistage treatment device for the biogas slurry and the biogas residue comprises an equipment shell, a solid-liquid separation device, a fermentation device and a liquid treatment device, wherein the solid-liquid separation device is arranged in the equipment shell and used for separating solid and liquid of the biogas slurry and the biogas residue; the equipment shell comprises a first cavity, a second cavity and a third cavity, wherein the second cavity and the third cavity are arranged in parallel to form a connecting cavity, and the first cavity and the connecting cavity are arranged in parallel;
the solid-liquid separation equipment comprises a first separation equipment, a second separation equipment and a third separation equipment which are connected in sequence;
the first separation device is mounted within the first cavity; the first separation device comprises a cylindrical feeding tank and a first filtering component arranged inside the feeding tank; the first filtering component divides the feed tank into a solid cavity and a liquid cavity; a first liquid collecting tank is arranged below the liquid cavity;
the second separation equipment is arranged in the first cavity and is positioned right below the first separation equipment; the second separation device comprises a separation pipeline with one end connected with the solid cavity, a spiral pushing paddle arranged in the separation pipeline, a second filtering component arranged in the separation pipeline and positioned at the outer side of the spiral pushing paddle, and a power motor arranged on the separation pipeline for providing power equipment for the spiral pushing paddle; the lower end of the separation pipeline is provided with a second filtrate collecting tank, and the other end of the separation pipeline is provided with a slag discharging groove;
the third separation device is mounted within the second cavity; the third separating device comprises a mounting shell, two groups of crawler belt assemblies arranged in the mounting shell and used for filtering, a squeezing roller assembly used for squeezing and a discharging roller arranged in the mounting shell and used for discharging; the track assembly includes a first track assembly and a second track assembly; the press roll assembly comprises 2-3 groups of paired rolls; the first crawler assembly comprises a first filter crawler and a first fastening roller set for supporting and fastening the first filter crawler; the second crawler assembly comprises a second filter crawler and a second fastening roller set for supporting and fastening the second filter crawler; the first filter crawler belt can pass through the press roller assembly after being attached to the second filter crawler belt, the first filter crawler belt can be in a closed shape under the support of the first fastening roller set, the press roller assembly and the discharge roller, and the second filter crawler belt is in a closed shape under the support of the second fastening roller set, the press roller assembly and the discharge roller; the first filter crawler belt is connected with the slag discharging row groove; the lower end of the pressing roller assembly is provided with a third liquid collecting tank;
the fermentation equipment is arranged in the third cavity and is connected with the first liquid collecting tank, the second filtrate collecting tank and the third liquid collecting tank.
Further, the first separation device also comprises a filtering auxiliary component for buffering, wherein the filtering auxiliary component is installed on the feed chute and is positioned inside the solid cavity; the waste material entering the filter auxiliary assembly is blocked, so that the retention time of the waste material can be prolonged, and the filter is facilitated.
Further, the filtering auxiliary assembly comprises a first installation assembly capable of being installed on the feed chute, and a first slow flow plate assembly arranged at the lower end of the first installation assembly; the first slow flow plate assembly comprises 2-5 first buffer plates and a first connecting rod used for connecting the 2-5 first buffer plates; the first installation component adopts 2 to 4 groups of hanging steel ropes; the first slow flow plate component is positioned at a feeding port of the feeding tank; utilize first buffer board to cushion after the waste material gets into the solid chamber and block for the waste material flows to first buffer board both sides, makes the waste material more abundant contact with the filter screen and filters.
Further, the filtering auxiliary assembly comprises a second installation assembly capable of being installed on the feed chute, and a second slow flow plate assembly arranged at the lower end of the second installation assembly; the second installation component adopts 2-3 installation rods, the second slow flow plate component adopts a buffer block with a conical structure, and the second slow flow plate component is positioned at a discharge port of the feed chute; the flow section of the discharge port of the feed chute is reduced by the aid of the second slow flow component, so that waste materials entering the feed chute subsequently can have longer residence time, and filtration aging is improved by the aid of introduction, so that filtration is more sufficient.
Further, the filtering auxiliary assembly comprises a first installation assembly capable of being installed on the feed chute, a first slow flow plate assembly arranged at the lower end of the first installation assembly, a second installation assembly capable of being installed on the feed chute, and a second slow flow plate assembly arranged at the lower end of the second installation assembly; the first slow flow plate assembly comprises 2-5 first buffer plates and a first connecting rod used for connecting the 2-5 first buffer plates; the first installation component adopts 2 to 4 groups of hanging steel ropes; the first slow flow plate component is positioned at a feeding port of the feeding tank; the second installation component adopts 2-3 installation rods, the second slow flow plate component adopts a buffer block with a conical structure, and the second slow flow plate component is positioned at a discharge port of the feed chute; the first connecting rod is installed at the upper end of the second slow flow plate component.
Further, the third separating device further comprises a cleaning device for cleaning the first filter track and the second filter track; the waste adhered to the filter track can be effectively cleaned by using the cleaning equipment.
Further, the third separation device further comprises a discharge chute, and a feed port of the discharge chute is positioned at the discharge end of the discharge roller; the discharging groove comprises a discharging groove and a scraping plate arranged at a feeding port of the discharging groove; the separated solids are guided and conveyed outside the equipment by the discharge chute, and meanwhile, the scraping plate can be used for removing the waste adhered to the filter track.
Further, a treatment method of the biogas slurry and residue multistage treatment device specifically comprises the following steps:
step one: and (3) solid-liquid separation of biogas residues and biogas slurry: after the fermented organic substances are respectively treated by a first separation device, a second separation device and a third separation device, solid-liquid separation is realized, and treated liquid substances and solid substances are obtained;
step two: the separated biogas slurry is further fermented in fermentation equipment for use;
step three: and using the separated biogas residues.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, multistage solid-liquid separation of waste material, namely biogas slurry and biogas residues after biogas fermentation is realized through the first separation equipment, the second separation equipment and the third separation equipment, so that the separation of the biogas residues and the biogas slurry is realized more thoroughly, and the special utilization of the biogas residues and the biogas slurry can be realized; in addition, the invention further carries out fermentation treatment on the biogas slurry, so that the problem that malodor can be emitted when the biogas slurry is directly used can be effectively avoided; the invention has reasonable overall structure design and is suitable for mass popularization.
Drawings
FIG. 1 is a top cross-sectional view of embodiment 1 of the present invention;
FIG. 2 is a left side cross-sectional view of embodiment 1 of the present invention;
FIG. 3 is a front cross-sectional view of embodiment 1 of the present invention;
FIG. 4 is a left side cross-sectional view of embodiment 2 of the present invention;
FIG. 5 is a schematic view showing the structure of a filter aid assembly according to embodiment 2 of the present invention;
FIG. 6 is a left side cross-sectional view of embodiment 3 of the present invention;
FIG. 7 is a schematic view showing the structure of a filter aid assembly according to embodiment 3 of the present invention;
FIG. 8 is a left side cross-sectional view of embodiment 4 of the present invention;
FIG. 9 is a schematic view showing the structure of a filter aid assembly according to embodiment 4 of the present invention;
FIG. 10 is a front cross-sectional view of embodiment 5 of the present invention;
FIG. 11 is a front cross-sectional view of embodiment 6 of the present invention;
FIG. 12 is a schematic view showing a partial structure of a spout according to embodiment 6 of the present invention;
wherein, 1-equipment housing, 11-first cavity, 12-second cavity, 13-third cavity, 2-fermentation equipment, 3-first separation equipment, 31-feed tank, 311-solid cavity, 312-liquid cavity, 3120-first liquid collection tank, 32-first filtration module, 33-filtration auxiliary module, 331-first installation module, 332-first slow flow plate module, 3321-first buffer plate, 3322-first connecting rod, 333-second installation module, 334-second slow flow plate module, 4-second separation equipment, 41-separation pipeline, 411-second filtrate collection tank, 412-slag discharge tank, 42-screw pushing blade, 43-second filtration module, 44-power motor, 5-third separation equipment, 51-track module, 511-first track module, 5111-first filtration track, 5112-first fastening roller set, 512-second track module, 5121-second filtration module, 512-second fastening roller set, 52-second fastening roller set, 520-third filter track set, 512-second track module, 512-second fastening roller set, 52-third filter track set, 520-third filter collection tank, 551-third filter roll set, 55-552, and discharge tank.
Detailed Description
Example 1: the multistage treatment device for biogas slurry and biogas residues shown in fig. 1, 2 and 3 comprises a device shell 1, a solid-liquid separation device arranged in the device shell 1 and used for separating solid from liquid of the biogas slurry and the biogas residues, and a fermentation device 2 arranged in the device shell 1 and used for further fermenting the liquid treated by the biogas slurry and the biogas residues by the solid-liquid separation device; the equipment shell 1 comprises a first cavity 11, a second cavity 12 and a third cavity 13, wherein the second cavity 12 and the third cavity 13 are arranged in parallel to form a connecting cavity, and the first cavity 11 and the connecting cavity are arranged in parallel;
the solid-liquid separation equipment comprises a first separation equipment 3, a second separation equipment 4 and a third separation equipment 5 which are connected in sequence;
as shown in fig. 1 and 2, the first separating apparatus 3 is mounted in a first chamber 11; the first separating apparatus 3 includes a cylindrical feed tank 31, and a first filter assembly 32 disposed inside the feed tank 31; the first filter assembly 32 divides the feed tank 31 into a solids chamber 311 and a liquids chamber 312; a first liquid collection tank 3120 is provided below the liquid chamber 312; wherein, the first filter component 32 adopts a funnel-shaped filter screen;
as shown in fig. 1 and 2, the second separation device 4 is installed in the first chamber 11 and is located directly below the first separation device 3; the second separation device 4 comprises a separation pipeline 41 with one end connected with the solid cavity 311, a screw pushing paddle 42 arranged in the separation pipeline, a second filtering component 43 arranged in the separation pipeline 41 and positioned outside the screw pushing paddle 42, and a power motor 44 arranged on the separation pipeline 41 for providing power equipment for the screw pushing paddle 42; the lower end of the separation pipeline 41 is provided with a second filtrate collecting tank 411, and the other end of the separation pipeline 41 is provided with a slag discharging groove 412;
as shown in fig. 1, 3, the third separation device 5 is mounted in the second chamber 12; the third separating apparatus 5 includes a mounting housing, two sets of crawler belt assemblies 51 for filtering provided inside the mounting housing, a press roll assembly 52 for pressing, and a discharge roll 53 for discharging provided inside the mounting housing; track assembly 51 includes a first track assembly 511 and a second track assembly 512; press roll assembly 52 includes 2 sets of pairs of rolls; the first track assembly 511 includes a first filter track 5111 and a first fastening roller group 5112 for supporting fastening of the first filter track 5111; the second track assembly 512 includes a second filter track 5121 and a second fastening roller group 5122 for supporting fastening of the second filter track 5121; the first filter track 5111 can pass through the press roller assembly 52 after being attached to the second filter track 5121, the first filter track 5111 can be closed under the support of the first fastening roller group 5112, the press roller assembly 52 and the discharge roller 53, and the second filter track 5121 is closed under the support of the second fastening roller group 5122, the press roller assembly 52 and the discharge roller 53; the first filter track 5111 is connected with the slag discharging groove 412; and a third liquid collecting tank 520 is provided at the lower end of the press roll assembly 52; the first filter track 5111 and the second filter track 5121 comprise a mesh belt made of plastic and stop strips arranged on two sides of the mesh belt;
the fermentation apparatus 2 is disposed in the third chamber 13, and the fermentation apparatus 2 is connected to the first liquid collection tank 3120, the second filtrate collection tank 411, and the third liquid collection tank 520.
The processing method using the device of the embodiment specifically includes:
step one: and (3) solid-liquid separation of biogas residues and biogas slurry: the fermented organic substances firstly enter the first separation equipment 3, are subjected to coarse filtration by the first filter component 32, and then the liquid filtered by the first filter component 32 flows into the fermentation equipment 2 through the first liquid collecting tank 3120; and the rest organic matters enter the second separation device 4, after being filtered by the second filtering component 43, the liquid filtered by the second filtering component 43 flows into the fermentation device 2 through the second filtrate collecting tank 411; the rest organic matters enter the third separation equipment 5, and after being subjected to final squeezing filtration by the squeezing roller assembly 52 and the crawler belt assembly 51, the final filtered liquid flows into the fermentation equipment 2 through the third liquid collecting tank 520; the rest solid biogas residues can be directly used for fertilization of soil;
step two: fermenting the biogas slurry collected by the fermentation equipment 2 for 5 days at 45 ℃, mixing the fermented biogas slurry with water according to the proportion of 3:2, and then applying the mixture to crops.
Example 2: unlike example 1, the following is: as shown in fig. 4 and 5, the first separating apparatus 3 further includes a filter aid assembly 33 for buffering, and the filter aid assembly 33 is mounted on the feed chute 31 and located inside the solid chamber 311; the filter auxiliary assembly 33 includes a first installation assembly 331 capable of being installed on the feed chute 31, and a first slow flow plate assembly 332 provided at a lower end of the first installation assembly 331; the first slow flow plate assembly 332 includes 3 first buffer plates 3321 and a first connection rod 3322 for connection between the 3 first buffer plates 3321; the first mounting assembly 331 employs 2 sets of suspension wires; and a first slugging plate assembly 332 is located at the feed port of feed tank 31.
Example 3: unlike example 1, the following is: as shown in fig. 6 and 7, the first separating apparatus 3 further includes a filter aid assembly 33 for buffering, and the filter aid assembly 33 is mounted on the feed chute 31 and located inside the solid chamber 311; the filter aid assembly 33 includes a second installation assembly 333 capable of being installed on the feed chute 31, and a second slow flow plate assembly 334 provided at a lower end of the second installation assembly 333; the second installation component 333 adopts 2 installation poles, and the buffer block of conical structure is adopted to second slow flow plate component 334, and second slow flow plate component 334 is located the discharge port of feed chute 31.
Example 4: unlike example 1, the following is: as shown in fig. 8 and 9, the first separating apparatus 3 further includes a filter aid assembly 33 for buffering, and the filter aid assembly 33 is mounted on the feed chute 31 and located inside the solid chamber 311; the filter aid assembly 33 includes a first installation assembly 331 capable of being installed on the feed chute 31, a first slow flow plate assembly 332 provided at a lower end of the first installation assembly 331, a second installation assembly 333 capable of being installed on the feed chute 31, and a second slow flow plate assembly 334 provided at a lower end of the second installation assembly 333; the first slow flow plate assembly 332 includes 3 first buffer plates 3321 and a first connection rod 3322 for connection between the 3 first buffer plates 3321; the first mounting assembly 331 employs 2 sets of suspension wires; and the first slow flow plate assembly 332 is positioned at the feed port of the feed chute 31; the second installation component 333 adopts 2 installation rods, the second slow flow plate component 334 adopts a buffer block with a conical structure, and the second slow flow plate component 334 is positioned at the discharge port of the feed chute 31; the first connecting rod 3322 is installed at the upper end of the second slow flow plate assembly 334.
Example 5: unlike example 1, the following is: as shown in fig. 10, the third separating apparatus 5 further includes a cleaning apparatus 54 for cleaning the first filter crawler 5111 and the second filter crawler 5121.
Example 6: unlike example 1, the following is: as shown in fig. 11 and 12, the third separation device 5 further comprises a discharge chute 55, the feed port of the discharge chute 55 being located at the discharge end of the discharge roll 53; the discharge chute 55 includes a discharge chute 551 and a scraper 552 disposed at a feed port of the discharge chute 551.
Claims (3)
1. The utility model provides a multistage processing apparatus of natural pond liquid natural pond sediment, includes equipment housing (1), sets up in equipment housing (1) inside be used for the solid-liquid separation equipment of natural pond liquid natural pond sediment solid, liquid separation, is used for the fermentation equipment (2) that the liquid after the natural pond sediment liquid is handled are carried out further to the solid-liquid separation equipment of setting up in equipment housing (1); the device is characterized in that the device shell (1) comprises a first cavity (11), a second cavity (12) and a third cavity (13), wherein the second cavity (12) and the third cavity (13) are arranged in parallel to form a connecting cavity, and the first cavity (11) and the connecting cavity are arranged in parallel;
the solid-liquid separation equipment comprises a first separation equipment (3), a second separation equipment (4) and a third separation equipment (5) which are connected in sequence;
the first separation device (3) is arranged in the first cavity (11); the first separating device (3) comprises a cylindrical feeding groove (31) and a first filtering component (32) arranged inside the feeding groove (31); the first filter assembly (32) divides the feed tank (31) into a solids chamber (311) and a liquid chamber (312); a first liquid collecting tank (3120) is arranged below the liquid chamber (312);
the second separation device (4) is arranged in the first cavity (11) and is positioned right below the first separation device (3); the second separation device (4) comprises a separation pipeline (41) with one end connected with the solid cavity (311), a screw pushing paddle (42) arranged in the separation pipeline, a second filtering component (43) arranged inside the separation pipeline (41) and positioned outside the screw pushing paddle (42), and a power motor (44) arranged on the separation pipeline (41) for providing power equipment for the screw pushing paddle (42); the lower end of the separation pipeline (41) is provided with a second filtrate collecting tank (411), and the other end of the separation pipeline (41) is provided with a slag discharging slot (412);
the third separation device (5) is mounted in the second cavity (12); the third separating device (5) comprises a mounting shell, two groups of crawler belt assemblies (51) which are arranged in the mounting shell and used for filtering, a squeezing roller assembly (52) which is used for squeezing, and a discharging roller (53) which is arranged in the mounting shell and used for discharging; the track assembly (51) includes a first track assembly (511) and a second track assembly (512); the press roll assembly (52) comprises 2-3 pairs of rolls; the first track assembly (511) comprises a first filter track (5111) and a first fastening roller set (5112) for supporting and fastening the first filter track (5111); the second track assembly (512) comprises a second filter track (5121) and a second fastening roller set (5122) for supporting and fastening the second filter track (5121); the first filter track (5111) can pass through the press roller assembly (52) after being attached to the second filter track (5121), the first filter track (5111) can be closed under the support of the first fastening roller set (5112), the press roller assembly (52) and the discharge roller (53), and the second filter track (5121) is closed under the support of the second fastening roller set (5122), the press roller assembly (52) and the discharge roller (53); the first filter crawler belt (5111) is connected with the slag discharging groove (412); and a third liquid collecting tank (520) is arranged at the lower end of the pressing roller assembly (52);
the fermentation equipment (2) is arranged in the third cavity (13), and the fermentation equipment (2) is connected with the first liquid collecting tank (3120), the second filtrate collecting tank (411) and the third liquid collecting tank (520);
the first separation device (3) further comprises a filtering auxiliary assembly (33) for buffering, wherein the filtering auxiliary assembly (33) is arranged on the feeding groove (31) and is positioned inside the solid cavity (311);
the filter auxiliary assembly (33) comprises a first installation assembly (331) capable of being installed on the feed chute (31), a first slow flow plate assembly (332) arranged at the lower end of the first installation assembly (331), a second installation assembly (333) capable of being installed on the feed chute (31), and a second slow flow plate assembly (334) arranged at the lower end of the second installation assembly (333); the first slow flow plate assembly (332) comprises 2-5 first buffer plates (3321) and first connecting rods (3322) used for connecting the 2-5 first buffer plates (3321); the first installation component (331) adopts 2-4 groups of hanging steel ropes; and the first slow flow plate assembly (332) is positioned at the feed port of the feed tank (31); the second installation component (333) adopts 2-3 installation rods, the second slow flow plate component (334) adopts a buffer block with a conical structure, and the second slow flow plate component (334) is positioned at a discharge port of the feed chute (31); the first connecting rod (3322) is arranged at the upper end of the second slow flow plate assembly (334);
the third separating device (5) further comprises a cleaning device (54) for cleaning the first filter track (5111) and the second filter track (5121).
2. The treatment method of the biogas slurry and residue multistage treatment device according to claim 1, which is characterized by comprising the following steps:
step one: and (3) solid-liquid separation of biogas residues and biogas slurry: after the fermented organic substances are respectively treated by a first separation device (3), a second separation device (4) and a third separation device (5), solid-liquid separation is realized, and treated liquid substances and solid substances are obtained;
step two: the separated biogas slurry is further fermented in a fermentation device (2) for use;
step three: and using the separated biogas residues.
3. The method according to claim 2, wherein the separated biogas slurry in the first step is used after further fermentation in the fermentation apparatus (2).
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| CN202010357011.0A CN111548199B (en) | 2020-04-29 | 2020-04-29 | Multistage biogas slurry and residue treatment device and method |
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| CN203736924U (en) * | 2014-02-28 | 2014-07-30 | 海南盛美诺生物技术有限公司 | Filter device |
| CN109748440A (en) * | 2017-12-15 | 2019-05-14 | 自贡佳禾新能源科技有限公司 | A kind of anaerobic fermentation biogas slurry vacuum processing method and device |
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| CN111548199A (en) | 2020-08-18 |
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