CN212594368U

CN212594368U - Liquid-residue separator for biogas slurry and residue treatment system

Info

Publication number: CN212594368U
Application number: CN202021017355.9U
Authority: CN
Inventors: 周嘉豪
Original assignee: Dihui Environmental Protection Equipment Hubei Co Ltd
Current assignee: Dihui Environmental Protection Equipment Hubei Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-02-26
Anticipated expiration: 2030-06-05

Abstract

The utility model relates to a liquid-residue separator for a biogas slurry and biogas residue treatment system, which comprises a filtrate device and a slag removal device, wherein a feed pipe of the filtrate device is connected with a flash tank, a sieve plate is arranged below the flash tank, a biogas slurry storage box is arranged below the sieve plate, a discharge pipe is arranged at the bottom of the biogas slurry storage box, a water collection box is arranged at the side edge of the biogas slurry storage box, and the water collection box is connected with the biogas slurry storage box through a return pipe; the deslagging device uses a spiral conveyor to extrude biogas residues to separate biogas slurry in the biogas residues, the biogas slurry flows back to a biogas slurry storage box through a water return pipe, and the biogas residues are discharged through a residue discharge port; in order to realize zero discharge and generate the maximum economic benefit, the biogas slurry is recycled to generate biogas for power generation, and the biogas residues are recycled to produce fertilizers, the utility model relates to a liquid-residue separator for a biogas slurry and biogas residue treatment system, which separates the biogas slurry and the biogas residues, has three-stage separation and good filtering effect; prevent blockage and has good cleaning effect.

Description

Liquid-residue separator for biogas slurry and residue treatment system

Technical Field

The utility model relates to the technical field of biogas power generation equipment, in particular to a liquid-residue separator for a biogas slurry and residue treatment system.

Background

Livestock and poultry breeding produces a large amount of excrement every day in production activities, and ordinary farmers dispose the excrement as waste or use the excrement as fertilizer, so the livestock and poultry breeding method is not environment-friendly. The more advanced treatment mode is that the excrement is diluted and then generates methane through an anaerobic fermentation process, and the methane is used for power generation, so that the environment is protected and the power can be generated;

in the biogas power generation process, biogas slurry is generated during fermentation in a fermentation tank, and simultaneously, a large amount of biogas residues exist, in order to realize zero emission and generate the maximum economic benefit, the biogas slurry is used for producing biogas power generation, and the biogas residues can be recycled for producing fertilizers.

Disclosure of Invention

The utility model aims at providing a separate the liquid sediment separating centrifuge that is arranged in natural pond liquid natural pond sediment processing system for solving and separating natural pond liquid and natural pond sediment, natural pond liquid is used for producing marsh gas electricity generation, and natural pond sediment recoverable use in producing fertilizer realizes the zero release, produces the biggest economic benefits, simultaneously for improving liquid sediment separation effect, prevents blockking up the mediation convenience, provides one kind and is arranged in natural pond liquid natural pond sediment processing system.

The utility model has the following concrete scheme: a liquid-residue separator for a biogas slurry and residue treatment system comprises a filtrate device and a residue removing device, and is characterized in that the filtrate device is provided with a flash tank, the lower part of the flash tank is provided with an overflow port, an inclined sieve plate is arranged below the overflow port, supports are arranged on two sides of the sieve plate, the top of each support is provided with a cross beam, and a vibration motor is arranged on the cross beam; a biogas slurry storage box is arranged below the sieve plate, and a discharge pipe is arranged at the bottom of the biogas slurry storage box; the deslagging device comprises a feeding groove and a water collecting tank, wherein a screw conveyor is arranged in the feeding groove, one side of the screw conveyor is fixed on the biogas slurry storage tank through a bearing and is connected with a driving motor, the other side of the screw conveyor penetrates through the water collecting tank, a water screening cylinder is arranged in the water collecting tank, the screw conveyor penetrates through the water screening cylinder and is connected with a baffle plate through the bearing, the screw conveyor extrudes and pushes biogas residues to be discharged through a residue discharge port, and biogas slurry is communicated with the biogas slurry storage tank through a water return pipe arranged at the bottom of the water collecting tank.

Sieve top still is equipped with belt cleaning device, belt cleaning device includes: the device comprises a traveling bracket, slide rails, a nozzle and a liquid inlet pipe, wherein the slide rails are arranged on two sides of a sieve plate, and the traveling bracket is arranged above the slide rails and is in sliding connection with the slide rails; the traveling support is provided with nozzles which are uniformly arranged on the movable support, and the direction of the nozzles points to the inclined downward slope direction of the sieve plate.

The inner end of the feeding pipe of the biogas slurry storage box is communicated with the overflow trough, the upper end of the overflow trough is provided with an overflow port, and the length of the overflow port is the same as the width of the sieve plate.

The lower part welding of sieve has first uide bushing, and the one end of spring is connected in first uide bushing, and the other end of spring is connected in the second uide bushing. The spring can bounce under the action of the vibration motor, so that the biogas residues bounce and slide down to the spiral conveyor for dehydration and separation.

The working principle of the utility model is as follows: the biogas slurry firstly enters the overflow groove from the feeding hole, and when the overflow groove is filled with the biogas slurry, the biogas slurry begins to overflow, and the overflowing biogas slurry flows onto the inclined sieve plate through the overflow hole and leaks into the biogas slurry storage box; the biogas residues slide to the feeding groove under the vibration of the vibration motor and are transported to one side of the water collecting tank through the screw conveyor, and when the biogas residues are transported by the screw conveyor, biogas slurry in the biogas residues is extruded out through the pressure formed between the biogas residues and the material baffle plate, leaks into the water collecting tank through the water sieving cylinder, returns to the biogas slurry storage tank, enters the biogas slurry pool through the discharge port, and is discharged through the discharge port; when the sieve plate is blocked, the cleaning device is started, the walking support performs up-and-down reciprocating motion on the slide rail, and meanwhile, liquid enters the nozzle through the liquid inlet pipe and is sprayed out to clear the blockage.

The utility model discloses following beneficial effect has: 1. the biogas slurry is separated from the biogas residues, the biogas slurry is used for generating biogas to generate power, and the biogas residues are used as fertilizers, so that zero emission is realized and the maximum economic benefit is generated; 2. The three-stage separation device has a separation effect greatly superior to that of similar products; 3. has the function of clearing blockage and good blockage clearing effect.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an edge A-A view of FIG. 2;

FIG. 4 is a view B-B of FIG. 2;

FIG. 5 is a perspective view of the cleaning device;

FIG. 6 is an enlarged partial view of I of FIG. 3;

in the figure: 1-a filtrate device, 101-a biogas slurry storage tank, 102-a flash tank, 103-an overflow port, 104-a sieve plate, 105-a vibration motor, 106-a feed pipe, 107-a discharge pipe, 108-a first guide sleeve, 109-a spring, 110-a second guide sleeve, 2-a deslagging device, 201-a spiral conveyor, 202-a driving motor, 203-a water screening barrel, 204-a baffle plate, 205-a feed tank, 206-a water collecting tank, 207-a water return pipe, 208-a discharge port, 3-a cleaning device, 301-a walking bracket, 302-a slide rail, 303-a nozzle and 304-a liquid inlet pipe.

Detailed Description

Referring to fig. 1-6, a liquid-residue separator for a biogas slurry and residue treatment system comprises a filtrate device 1 and a residue removal device 2, and is characterized in that the filtrate device 1 is provided with a flash tank 102, the lower part of the flash tank 102 is provided with an overflow port 103, an inclined sieve plate 104 is arranged below the overflow port 103, two sides of the sieve plate 104 are provided with supports, the tops of the supports are provided with cross beams, and the cross beams are provided with vibration motors 105; a biogas slurry storage box 101 is arranged below the sieve plate 104, and a discharge pipe 107 is arranged at the bottom of the biogas slurry storage box 101; the deslagging device 2 comprises a feeding groove 205 and a water collecting tank 206, a screw conveyor 201 is arranged in the feeding groove 205, one side of the screw conveyor 201 is fixed to the biogas slurry storage tank 101 through a bearing and is connected with a driving motor 202, the other side of the screw conveyor penetrates through the water collecting tank 206, a water screening cylinder 203 is arranged in the water collecting tank 206, the screw conveyor penetrates through the water screening cylinder 203 and is connected with a baffle plate 204 through the bearing, the screw conveyor 201 extrudes and pushes, biogas residues are discharged through a residue discharge port 208, and biogas slurry is communicated with the biogas slurry storage tank 101 through a water return pipe 207 arranged at the bottom of the water collecting tank 206.

Sieve 104 top still is equipped with belt cleaning device 3, belt cleaning device 3 includes: the screen plate comprises a walking bracket 301, slide rails 302, a nozzle 303 and a liquid inlet pipe 304, wherein the slide rails 302 are arranged on two sides of the screen plate 104, and the walking bracket 301 is arranged above the slide rails 302 and is connected with the slide rails in a sliding manner; the traveling bracket 301 is provided with nozzles 303, the nozzles 303 are uniformly arranged on the moving bracket, and the direction of the nozzles 303 points to the inclined downward slope direction of the sieve plate 104

The inner end of a feeding pipe 106 of the biogas slurry storage box 101 is communicated with a spillway groove 102, the upper end of the spillway groove 102 is provided with an overflow port 103, and the length of the overflow port 103 is the same as the width of the sieve plate 104.

The lower part of the sieve plate 104 is welded with a first guide sleeve 108, one end of a spring 109 is connected with the first guide sleeve 108, the other end of the spring 109 is connected with a second guide sleeve 110, and the spring 109 can bounce under the action of a vibration motor 105, so that biogas residues bounce and slide down to a spiral conveyor 201 for dewatering and separation.

Claims

1. A liquid-residue separator for a biogas slurry and residue treatment system comprises a filtrate device and a residue removing device, and is characterized in that the filtrate device is provided with a flash tank, the lower part of the flash tank is provided with an overflow port, an inclined sieve plate is arranged below the overflow port, supports are arranged on two sides of the sieve plate, the top of each support is provided with a cross beam, and a vibration motor is arranged on the cross beam; a biogas slurry storage box is arranged below the sieve plate, and a discharge pipe is arranged at the bottom of the biogas slurry storage box; the deslagging device comprises a feeding groove and a water collecting tank, wherein a screw conveyor is arranged in the feeding groove, one side of the screw conveyor is fixed on the biogas slurry storage tank through a bearing and is connected with a driving motor, the other side of the screw conveyor penetrates through the water collecting tank, a water screening cylinder is arranged in the water collecting tank, the screw conveyor penetrates through the water screening cylinder and is connected with a baffle plate through the bearing, the screw conveyor extrudes and pushes biogas residues to be discharged through a residue discharge port, and biogas slurry is communicated with the biogas slurry storage tank through a water return pipe arranged at the bottom of the water collecting tank.

2. The liquid-residue separator for the biogas slurry and residue treatment system according to claim 1, which is characterized in that: a cleaning device is also arranged above the sieve plate and comprises a traveling bracket, a slide rail, a nozzle and a liquid inlet pipe, wherein the slide rail is arranged on two sides of the sieve plate, and the traveling bracket is arranged above the slide rail and is in sliding connection with the slide rail; the traveling support is provided with nozzles which are uniformly arranged on the movable support, and the direction of the nozzles points to the inclined downward slope direction of the sieve plate.

3. The liquid-residue separator for the biogas slurry and residue treatment system according to claim 1, which is characterized in that: the inner end of the feeding pipe of the biogas slurry storage box is communicated with the overflow trough, the upper end of the overflow trough is provided with an overflow port, and the length of the overflow port is the same as the width of the sieve plate.

4. The liquid-residue separator for the biogas slurry and residue treatment system according to claim 1, which is characterized in that: the lower part of the sieve plate is welded with a first guide sleeve, one end of a spring is connected to the first guide sleeve, the other end of the spring is connected to a second guide sleeve, and the spring is arranged to bounce under the action of a vibration motor, so that biogas residues bounce and slide down to a spiral conveyor for dehydration and separation.