CN116871163A - Impurity-removing feeding device for dry-cleaning feces of biogas engineering - Google Patents

Impurity-removing feeding device for dry-cleaning feces of biogas engineering Download PDF

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Publication number
CN116871163A
CN116871163A CN202311145857.8A CN202311145857A CN116871163A CN 116871163 A CN116871163 A CN 116871163A CN 202311145857 A CN202311145857 A CN 202311145857A CN 116871163 A CN116871163 A CN 116871163A
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China
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impurity
grid
fixed
square box
feeding
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CN202311145857.8A
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CN116871163B (en
Inventor
赵国明
张重
袁存亮
邢向欣
裴海林
矫云学
丁伟
李爱芹
张蕾蕾
孙京
张添一
李靖
黄超
陈文成
李慧颖
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Jilin Academy of Agricultural Machinery
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Jilin Academy of Agricultural Machinery
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/526Cleaning with brushes or scrapers with scrapers
    • B07B1/528Cleaning with brushes or scrapers with scrapers the scrapers being rotating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • C02F11/04Anaerobic treatment; Production of methane by such processes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The utility model relates to a impurity-removing feeding device for dry clear feces in biogas engineering, belonging to the field of agricultural solid waste treatment; including feed arrangement, first valve is connected to feed arrangement one end, impurity separator is connected to first valve one end, set up the second valve on the impurity separator, the one end that impurity separator was kept away from to the second valve connects gradually spiral centrifugal pump inlet pipe, spiral centrifugal pump material outlet pipe and spiral centrifugal pump, impurity separator bottom and impurity discharging device are connected, impurity separator includes the square chest, rotate in the square chest and set up anti-blocking blade, still fix along diagonal position in the square chest and set up the grid, the grid is the arc steel sheet, the grid width equals the inside width of square chest, the grid falls into heavy miscellaneous district with square chest inner space and discharge area, the grid has a plurality of rectangular shape grid holes along width direction evenly distributed, prevent that the rectangular shape grid hole one-to-one on blocking blade and the grid can pass the grid when rotatory. The utility model has simple structure, and is convenient and practical.

Description

Impurity-removing feeding device for dry-cleaning feces of biogas engineering
Technical Field
The utility model belongs to the field of agricultural solid waste treatment, and particularly relates to a impurity removal feeding device for dry clear feces in biogas engineering.
Background
The biogas fermentation technology can digest and treat agricultural solid wastes such as livestock manure, straw and the like, reduce environmental pollution, and generate clean energy biogas, thereby being a technology with great development prospect. In the existing large-scale biogas fermentation feeding process, in order to avoid stone, metal, glass, cloth, plastic and other impurities contained in agricultural solid waste, the feeding equipment is damaged, and the biogas fermentation process is negatively influenced. The utility model patent number CN208532576U discloses a livestock and poultry manure planting and breeding combination and recycling treatment system, which uses a grid well and a lifting pump to screen and remove impurities from materials, but in the impurity removal process, conditions such as screen blockage, poor material fluidity, adhesion between impurities and the screen and the like can occur.
Disclosure of Invention
The utility model aims to provide a impurity removal feeding device for dry clear feces in biogas engineering, which is used for solving the technical problems of screen blockage, poor material fluidity, adhesion between impurities and screen and the like in the impurity removal process.
In order to achieve the purpose, the utility model relates to a specific technical scheme of a impurity removal feeding device for dry clean feces of a biogas project, which comprises the following steps:
the utility model provides a marsh gas engineering is edulcoration feed arrangement for clear excrement and urine futilely, including feed arrangement, first valve is connected to feed arrangement one end, first valve is kept away from feed arrangement's one end and is connected impurity separator, one side opposite to first valve among the impurity separator sets up the second valve, the one end that impurity separator was kept away from to the second valve connects gradually spiral centrifugal pump inlet pipe, spiral centrifugal pump outlet pipe and spiral centrifugal pump, impurity separator bottom is connected with trash extraction device, impurity separator is including connecting the square chest between first valve and second valve, rotate in the square chest and set up anti-blocking blade, still fixed the setting grid along diagonal angle position in the square chest, the grid is the arc steel sheet, the grid width equals square chest internal width, the grid falls into heavy miscellaneous district and discharge area with square chest internal space, grid along width direction evenly distributed has a plurality of rectangular shape grid holes.
Further, the impurity separating device also comprises an impurity removing feeding port, a cutter wheel shaft, a square box impurity outlet, a square box discharging port and a third motor; the square box is formed by combining steel plates, and the main body of the square box is a cuboid; a truncated cone with upper and lower openings is arranged below and at the side of the square box, and a flange is fixed at one end of the truncated cone far away from the square box; the cone frustum at the side of the square box is provided with a impurity removing feeding port, and the cone frustum at the lower part of the square box is provided with a square box impurity outlet; the square box discharge hole is fixed on the side wall of the square box at the opposite side of the impurity removal feed hole, and the flange is fixed at the outermost end of the square box discharge hole;
the square box is rotationally provided with a cutter wheel shaft along the width direction, a plurality of anti-blocking blades are fixed on the cutter wheel shaft in parallel, the part of the cutter wheel shaft extending out of the square box is connected with a third motor, the anti-blocking blades are matched with the strip-shaped grid holes of the grid one by one, and the cutter wheel shaft can penetrate through the strip-shaped grid holes on the grid during rotation.
Further, the upper edge of the grid is fixed with the upper edge of one side of the square box, the lower edge of the grid is fixed with the lower edge of the opposite side of the square box, and the two side edges of the grid are respectively fixed with the inner parts of the two side walls of the square box.
Further, the knife wheel shaft is arranged in the square box through a bearing; 6 strip-shaped grid holes are uniformly distributed in the width direction of the grid; the anti-blocking blades are provided with 6 plates, and each plate is a steel plate with radians at two ends and is centrosymmetric; the anti-blocking blades are distributed in a spiral line along the cutter wheel shaft.
Further, the feeding device consists of a feeding box body, a stirring shaft, stirring blade wings, a first motor, a second motor, a conveying helical blade, a shaft I, a feed box bracket and a feed box discharge hole;
the feeding box body is formed by combining steel plates, the longitudinal section of the feeding box body is trapezoid with wide upper part and narrow lower part, and the upper part of the feeding box body is open; the feed box discharge port is fixed at the lower part of the outer side of the feed box body, a flange is fixed at the outermost end of the feed box discharge port, and the feed box discharge port is connected with the first valve; the feed box bracket is fixed at the bottom of the feed box body; the stirring shaft is arranged in the feeding box body through a bearing, and one end of the stirring shaft extends out of the feeding box body and is connected with the first motor; the stirring blade wings are uniformly and spirally distributed on the stirring shaft along the axial direction of the stirring shaft; the shaft I is arranged at the bottom of the inner side of the feeding box body, one end of the shaft I extends out of the feeding box body and is connected with the second motor, and the other end of the shaft I extends into a discharge hole of the feed box; the conveying helical blade is fixed on the shaft I.
Further, one end of the first valve is connected to a flange of a discharge hole of the feed box through a bolt, and the other end of the first valve is connected to a flange of a impurity removal feed hole through a bolt.
Further, the impurity removing device comprises an outer barrel of the conveyor, an impurity removing spiral feeding hole, a shaft II, impurity removing spiral blades, an impurity removing hole and a fourth motor;
the outer cylinder of the conveyor is a steel pipe with openings at the upper part and the inclined lower part; the impurity-removing screw feed port is fixed at an opening above the outer cylinder of the conveyor, and a flange is fixed at the uppermost end of the impurity-removing screw feed port; the impurity discharging port is fixed at an opening of the obliquely lower part of the outer cylinder of the conveyor, and a flange is fixed at the outermost end of the impurity discharging port; the shaft II is arranged in the outer cylinder of the conveyor through a bearing, and one end of the shaft II extending out of the outer cylinder of the conveyor is connected with a fourth motor; the impurity removing helical blade is fixed on the shaft II.
Further, the feeding pipe of the spiral centrifugal pump is a steel pipe with two ends respectively fixed with bends in opposite directions, and the tail end of each bend is fixed with a flange; one end of the second valve is connected to a flange of a square box discharge hole through a bolt, and the other end of the second valve is connected to a flange at the upper end of a feed pipe of the spiral centrifugal pump through a bolt; the flange at the lower end of the feeding pipe of the screw centrifugal pump is connected with the feeding hole of the screw centrifugal pump through bolts.
Further, the material outlet pipe of the spiral centrifugal pump is a steel pipe with one end fixed with an elbow, and flanges are fixed at the tail end of the elbow and one end without the elbow; the flange at one end of the spiral centrifugal pump material outlet pipe without an elbow is connected to the material outlet of the spiral centrifugal pump through a bolt, and the other end of the spiral centrifugal pump material outlet pipe is connected with the material inlet pipe of the fermentation reactor.
The impurity removal feeding device for the dry clear feces of the biogas engineering has the following advantages: when the anti-blocking blades rotate through the strip-shaped grid holes of the grid, materials adhered to and blocked on the strip-shaped grid holes can be broken, so that the problems of screen blocking, poor material fluidity and the like are solved; the grid is a steel plate with a downward radian, and impurities are not easy to adhere to the cambered surface at the lower part of the sieve plate, but sink into the impurity sinking area.
Drawings
Fig. 1 is a front view of a device for removing impurities from dry clean feces in biogas engineering.
Fig. 2 is a schematic structural diagram of an impurity separating device of the impurity removing and feeding device for dry clear feces in biogas engineering.
Fig. 3 is a schematic diagram of the internal structure of the impurity removal feeding device for the dry clear feces in the biogas engineering.
Fig. 4 is a schematic perspective view of a impurity removal feeding device for dry clear feces in biogas engineering.
Fig. 5 is a schematic diagram of the material state in the impurity separating device during the operation of the impurity removing and feeding device for the dry clean feces in the biogas engineering.
The figure indicates: 1. a feeding device; 11. a feeding box body; 12. a stirring shaft; 13. stirring the blade wings; 14. a first motor; 15. a second motor; 16. conveying the helical blade; 17. a shaft I; 18. a feed box bracket; 19. a discharge hole of the feed box; 2. a first valve; 3. impurity separating device; 31. impurity removal feed inlet; 32. a square box; 33. anti-blocking blades; 34. a cutter wheel shaft; 35. a grille; 36. a square box impurity outlet; 37. a square box discharge port; 38. a third motor; 4. a impurity removing device; 41. an outer cylinder of the conveyor; 42. impurity removal spiral feed inlet; 43. a shaft II; 44. impurity removal helical blades; 45. a impurity discharging port; 46. a fourth motor; 5. a second valve; 6. a feed pipe of a spiral centrifugal pump; 7. a screw centrifugal pump; 8. a spiral centrifugal pump outlet pipe; 9. a impurity precipitation area; 10. a discharge zone; B. screening the pre-material; C. sieving the materials; D. and (5) impurities.
Detailed Description
In order to better understand the purpose, structure and function of the utility model, the utility model relates to a impurity removal feeding device for dry clean feces of biogas engineering, which is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-5, the impurity removal feeding device for the dry clean excrement of the biogas engineering comprises a feeding device 1, a first valve 2, an impurity separation device 3, an impurity removal device 4, a second valve 5, a spiral centrifugal pump feeding pipe 6, a spiral centrifugal pump 7 and a spiral centrifugal pump feeding pipe 8. The first valve 2 is connected to feed arrangement 1 one end, and impurity separator 3 is connected to the one end that feed arrangement 1 was kept away from to first valve 2, and impurity separator 3 in one side relative with first valve 2 sets up second valve 5, and spiral centrifugal pump inlet pipe 6, spiral centrifugal pump outlet pipe 8 and spiral centrifugal pump 7 are connected gradually to the one end that impurity separator 3 was kept away from to second valve 5, and impurity separator 3 bottom is connected with trash discharging device 4.
The impurity separating device 3 comprises an impurity removing feed inlet 31, a square box 32, an anti-blocking blade 33, a cutter wheel shaft 34, a grid 35, a square box impurity outlet 36, a square box discharge outlet 37 and a third motor 38; the square box 32 is formed by combining steel plates, and the main body of the square box is a cuboid; a truncated cone with upper and lower openings is arranged below and at the side of the square box 32, and a flange is fixed at one end of the truncated cone far away from the square box 32; the cone frustum at the side of the square box 32 is provided with a impurity removal feeding port 31, and the cone frustum below the square box 32 is provided with a square box impurity outlet port 36; the square box discharge port 37 is fixed on the side wall of the square box 32 at the opposite side of the impurity removal feed port 31, and a flange is fixed at the outermost end of the square box discharge port 37; the grille 35 is an arc-shaped steel plate, and the width of the grille is equal to the internal width of the square box 32; 6 strip-shaped grid holes are uniformly distributed in the width direction of the grid 35; the upper edge of the grid 35 is fixed with the upper edge of one side of the square box 32, the lower edge of the grid 35 is fixed with the lower edge of the opposite side of the square box 32, the two side edges of the grid 35 are respectively fixed with the inner parts of the two side walls of the square box 32, and the grid 35 divides the inner space of the square box 32 into a impurity sinking area 9 and a discharging area 10; the knife wheel shaft 34 is arranged inside the square box 32 through a bearing, and the part of the knife wheel shaft 34 extending out of the square box 32 is connected with the third motor 38; the anti-blocking blades 33 are 6 pieces, and each piece is a steel plate with radians at two ends and is centrosymmetric; the anti-blocking blades 33 are distributed in a spiral line along the cutter wheel shaft 34, are matched with the strip-shaped grid holes of the grid 35 one by one, and can pass through the strip-shaped grid holes on the grid 35 when rotating.
In the present embodiment, the feeding device 1 is composed of a feeding box 11, a stirring shaft 12, stirring blade wings 13, a first motor 14, a second motor 15, a conveying helical blade 16, a shaft i 17, a feed box bracket 18, and a feed box discharge port 19. The feeding box body 11 is formed by fixing steel plates, the longitudinal section of the feeding box body is trapezoid with wide upper part and narrow lower part, and the upper part of the feeding box body is open; the feed box discharge port 19 is fixed at the lower part of the outer side of the feed box 11, and a flange is fixed at the outermost end of the feed box discharge port 19; the feed box bracket 18 is fixed at the bottom of the feed box 11; the stirring shaft 12 is arranged in the feeding box 11 through a bearing, and one end of the stirring shaft 12 extends out of the feeding box 11 and is connected with the first motor 14; the stirring blade fins 13 are 20 and uniformly and spirally distributed on the stirring shaft 12 along the axial direction of the stirring shaft 12; the shaft I17 is arranged at the bottom of the inner side of the feeding box body 11, one end of the shaft I17 extends out of the feeding box body 11 and is connected with the second motor 15, and the other end of the shaft I17 extends into a discharge hole 19 of the feed box; the conveyor screw 16 is fixed to the shaft i 17.
In this embodiment, one end of the first valve 2 is connected to the flange of the bin outlet 19 by a bolt, and the other end is connected to the flange of the impurity removal inlet 31 by a bolt.
In the present embodiment, the impurity removing device 4 includes a conveyor outer tube 41, an impurity removing screw feed port 42, a shaft ii 43, an impurity removing screw blade 44, an impurity removing port 45, and a fourth motor 46. The outer conveyor cylinder 41 is a steel pipe with openings at the upper part and the inclined lower part; the impurity removal spiral feed port 42 is fixed at an opening above the outer cylinder 41 of the conveyor, and a flange is fixed at the uppermost end of the impurity removal spiral feed port 42; the impurity discharging port 45 is fixed at the opening of the obliquely lower part of the outer cylinder 41 of the conveyor, and a flange is fixed at the outermost end of the impurity discharging port 45; the shaft II 43 is arranged in the outer conveyor cylinder 41 through a bearing, and one end of the shaft II 43 extending out of the outer conveyor cylinder 41 is connected with the fourth motor 46; the impurity removing helical blade 44 is fixed to the shaft ii 43.
In the embodiment, the feeding pipe 6 of the spiral centrifugal pump is a steel pipe with two ends respectively fixed with bends in opposite directions, and the tail end of each bend is fixed with a flange; one end of the second valve 5 is connected to a flange of the square box discharge hole 37 through a bolt, and the other end of the second valve is connected to a flange at the upper end of the feeding pipe 6 of the screw centrifugal pump through a bolt; the flange at the lower end of the feeding pipe 6 of the screw centrifugal pump is connected with the feeding hole of the screw centrifugal pump 7 through bolts.
In the embodiment, the spiral centrifugal pump outlet pipe 8 is a steel pipe with one end fixed with an elbow, and flanges are fixed at the tail end of the elbow and one end without the elbow; the flange of one end of the spiral centrifugal pump outlet pipe 8 without an elbow is connected to the outlet of the spiral centrifugal pump 7 through a bolt, and the other end is connected with the inlet pipe of the fermentation reactor.
Working principle:
as shown in fig. 1, the first motor 14, the second motor 15 and the third motor 38 are started, the first motor 14 drives the stirring shaft 12 and the stirring blade wing 13 to rotate, the second motor 15 drives the shaft i 17 and the conveying helical blade 16 to rotate, the third motor 38 drives the knife wheel shaft 34 and the anti-blocking blade 33 to rotate, and the first valve 2 is set to be in an open state.
The material is loaded into the feeding box 11 by a loader, the stirring blade fins 13 stir the bulk material and throw away the material adhered to the side wall of the feeding box 11, and the material falling to the bottom of the feeding box 11 is pushed to the material box discharge port 19 by the conveying spiral blade 16 and enters the impurity depositing area 9 of the square box 32 from the impurity removing feed port 31.
As shown in fig. 5, a represents the rotation direction of the cutter wheel shaft 34, B represents the material before sieving, C represents the material after sieving, and D represents the impurity; the knife flywheel shaft 34 rotates along the direction A to promote the material flow in the impurity precipitation zone 9, and the material with the grain diameter smaller than the width of the long-strip-shaped grid holes (namely the sieved material C) passes through the grid 35, flows to the discharge zone 10, and enters the feed pipe 6 of the spiral centrifugal pump through the square box discharge hole 37; impurities with the particle size larger than the width of the long-strip-shaped grid holes (namely the materials B and D before screening) are blocked by the grid 35, remain in the impurity precipitation zone 9 and sink to the vicinity of the impurity outlet 36 of the square box.
After the feeding is finished, the fourth motor 46 is started, the fourth motor 46 drives the shaft II 43 and the impurity removing helical blade 44 to rotate, impurities in the impurity outlet 36 of the square box enter the outer barrel 41 of the conveyor through the impurity removing helical feeding hole 42, and the impurity removing helical blade 44 pushes the impurities to be discharged from the impurity removing hole 45.
The screw centrifugal pump 7 is started, and the material screened in the feed pipe 6 of the screw centrifugal pump and the discharge area 10 of the square box 32 is sucked into the screw centrifugal pump 7 and conveyed to the fermentation reactor through the discharge pipe 8 of the screw centrifugal pump.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. The utility model provides a dry clear excrement and urine of marsh gas engineering is with edulcoration feed arrangement, including feed arrangement (1), first valve (2) are connected to feed arrangement (1) one end, impurity separator (3) are connected to one end that feed arrangement (1) was kept away from to first valve (2), one side opposite with first valve (2) sets up second valve (5) in impurity separator (3), one end that impurity separator (3) was kept away from to second valve (5) connects gradually spiral centrifugal pump inlet pipe (6), spiral centrifugal pump outlet pipe (8) and spiral centrifugal pump (7), impurity separator (3) bottom and impurity discharging device (4) are connected, a serial communication port, impurity separator (3) are including connecting square box (32) between first valve (2) and second valve (5), square box (32) rotation sets up anti-blocking blade (33), in square box (32) along the fixed grid (35) that sets up in diagonal position, grid (35) are arc steel sheet, grid (35) width equals square box (32) inside width, grid (35) divide square box (32) inner space into mixed district (9) and grid (10) and evenly distributed along rectangular shape hole direction.
2. The impurity removal feeding device for the dry clear feces of the biogas engineering according to claim 1, wherein the impurity separation device (3) further comprises an impurity removal feeding hole (31), a knife wheel shaft (34), a square box impurity outlet (36), a square box discharge hole (37) and a third motor (38); the square box (32) is formed by combining steel plates, and the main body of the square box is a cuboid; a truncated cone with upper and lower openings is arranged below and at the side of the square box (32), and a flange is fixed at one end of the truncated cone away from the square box (32); the cone frustum at the side of the square box (32) is provided with a impurity removal feeding hole (31), and the cone frustum below the square box (32) is provided with a square box impurity outlet (36); the square box discharging hole (37) is fixed on the side wall of the square box (32) at the opposite side of the impurity removal feeding hole (31), and a flange is fixed at the outermost end of the square box discharging hole (37);
the square box (32) is rotationally provided with a cutter wheel shaft (34) along the width direction, a plurality of anti-blocking blades (33) are fixed on the cutter wheel shaft (34) in parallel, the part of the cutter wheel shaft (34) extending out of the square box (32) is connected with a third motor (38), the anti-blocking blades (33) are matched with the strip-shaped grid holes of the grid (35) one by one, and the cutter wheel shaft can penetrate through the strip-shaped grid holes of the grid (35) during rotation.
3. The impurity removal feeding device for dry excrement in biogas engineering according to claim 1, wherein the upper edge of the grid (35) is fixed with the upper edge of one side of the square box (32), the lower edge of the grid (35) is fixed with the lower edge of the opposite side of the square box (32), and the two side edges of the grid (35) are respectively fixed with the inside of two side walls of the square box (32).
4. The impurity removal and feeding device for dry feces in biogas engineering according to claim 2, wherein the knife wheel shaft (34) is arranged inside a square box (32) through a bearing; 6 strip-shaped grid holes are uniformly distributed in the grid (35) along the width direction; the anti-blocking blades (33) are 6 pieces, and each piece is a steel plate with radians at two ends and is centrosymmetric; the anti-blocking blades (33) are distributed in a spiral line along the cutter wheel shaft (34).
5. The impurity removal feeding device for the dry clear feces of the biogas engineering according to claim 1, wherein the feeding device (1) is composed of a feeding box body (11), a stirring shaft (12), stirring blade wings (13), a first motor (14), a second motor (15), a conveying spiral blade (16), a shaft I (17), a material box bracket (18) and a material box discharging hole (19);
the feeding box body (11) is formed by combining steel plates, the longitudinal section of the feeding box body is trapezoid with wide upper part and narrow lower part, and the upper part of the feeding box body is open; the feed box discharging hole (19) is fixed at the lower part of the outer side of the feed box body (11), a flange is fixed at the outermost end of the feed box discharging hole (19), and the feed box discharging hole (19) is connected with the first valve (2); the feed box bracket (18) is fixed at the bottom of the feed box body (11); the stirring shaft (12) is arranged in the feeding box body (11) through a bearing, and one end of the stirring shaft (12) extends out of the feeding box body (11) and is connected with the first motor (14); the stirring blade wings (13) are uniformly and spirally distributed on the stirring shaft (12) along the axial direction of the stirring shaft (12); the shaft I (17) is arranged at the bottom of the inner side of the feeding box body (11), one end of the shaft I (17) extends out of the feeding box body (11) and is connected with the second motor (15), and the other end of the shaft I (17) extends into a discharge hole (19) of the feed box; the conveying screw blade (16) is fixed on the shaft I (17).
6. The impurity removal feeding device for dry clear feces in biogas engineering according to claim 1, wherein the impurity removal device (4) comprises a conveyor outer barrel (41), an impurity removal screw feed port (42), a shaft II (43), impurity removal screw blades (44), an impurity removal port (45) and a fourth motor (46);
the outer cylinder (41) of the conveyor is a steel pipe with openings at the upper part and the inclined lower part; the impurity removal spiral feed port (42) is fixed at an opening above the outer cylinder (41) of the conveyor, and a flange is fixed at the uppermost end of the impurity removal spiral feed port (42); the impurity discharging port (45) is fixed at an opening of the obliquely lower part of the outer cylinder (41) of the conveyor, and a flange is fixed at the outermost end of the impurity discharging port (45); the shaft II (43) is arranged in the outer conveyor cylinder (41) through a bearing, and one end of the shaft II (43) extending out of the outer conveyor cylinder (41) is connected with a fourth motor (46); the impurity removing helical blade (44) is fixed on the shaft II (43).
7. The impurity-removing and feeding device for dry feces in biogas engineering according to claim 1, wherein the feeding pipe (6) of the spiral centrifugal pump is a steel pipe with two ends respectively fixed with bends in opposite directions, and the tail end of each bend is fixed with a flange;
the flange at the lower end of the feeding pipe (6) of the spiral centrifugal pump is connected with the feeding hole of the spiral centrifugal pump (7) through bolts.
8. The impurity-removing and feeding device for dry excrement of biogas engineering according to claim 1, wherein the spiral centrifugal pump outlet pipe (8) is a steel pipe with one end fixed with an elbow, and flanges are fixed at the tail end of the elbow and one end without the elbow;
the flange at one end of the spiral centrifugal pump outlet pipe (8) without an elbow is connected to the outlet of the spiral centrifugal pump (7) through a bolt, and the other end is connected with the inlet pipe of the fermentation reactor.
CN202311145857.8A 2023-09-07 2023-09-07 Impurity-removing feeding device for dry-cleaning feces of biogas engineering Active CN116871163B (en)

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Citations (13)

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