CN111296302B

CN111296302B - Livestock and poultry breeding waste non-point source pollution treatment device

Info

Publication number: CN111296302B
Application number: CN202010221865.6A
Authority: CN
Inventors: 杨虎德; 马彦; 冯丹妮
Original assignee: INSTITUTE OF SOIL FERTILIZER AND WATER-SAVING AGRICULTURE GANSU ACADEMY OF AGRICULTURAL SCIENCES
Current assignee: INSTITUTE OF SOIL FERTILIZER AND WATER-SAVING AGRICULTURE GANSU ACADEMY OF AGRICULTURAL SCIENCES
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-11-05
Anticipated expiration: 2040-03-26
Also published as: CN111296302A

Abstract

The invention provides a livestock and poultry breeding waste non-point source pollution treatment device, belongs to the technical field of breeding pollution discharge, and is used for solving the technical problems that the existing device cannot effectively recycle waste, the treatment efficiency is low, and the resource utilization rate is low. The device comprises a feeding chamber and a methane tank, wherein a dung leaking plate is arranged in the feeding chamber, a pit body is arranged below the feeding chamber, a belt support, a separating block and a guide rod are fixed in the pit body, belts are sleeved at two ends of the belt support, a scraping plate is arranged on the guide rod in a sliding mode, an air cylinder is fixed at the bottom of the feeding chamber, a hinge joint is fixed at the end part of the air cylinder, a connecting rod is hinged to the hinge joint, the end part of the connecting rod is hinged to the scraping plate, a feeding channel is fixed at the end part of the belt support, and a sewage treatment mechanism is arranged at the end part of the separating block; the invention separately treats the solid waste and the liquid waste, has high automatic treatment efficiency, can prevent the waste from being difficult to clean after being accumulated, reduces peculiar smell, improves living environment of people and livestock, can effectively recycle the waste and improves resource utilization rate.

Description

Livestock and poultry breeding waste non-point source pollution treatment device

Technical Field

The invention belongs to the technical field of breeding pollution discharge, and relates to a non-point source pollution treatment device, in particular to a non-point source pollution treatment device for livestock and poultry breeding waste.

Background

The non-point source pollution is also called non-point source pollution, has the characteristics of dispersity, concealment, randomness, latency, accumulativeness, ambiguity and the like, is difficult to monitor and quantify, and has great difficulty in research, prevention and control. The breeding waste mainly comprises livestock and poultry excrement, urine, flushing sewage, drinking water leakage and other waste water, is a typical non-point source pollution type, is difficult to recycle and is not easy to clean.

Through retrieval, as the chinese patent document discloses a livestock and poultry breeding excrement non-point source pollution abatement unpowered air dryer [ application number: CN 201911226051.5; publication No.: CNCN110818165A ]. The unpowered air dryer for non-point source pollution treatment of livestock and poultry breeding excrement comprises a main body frame, a water inlet pipe and a water outlet pipe, wherein a water curtain body formed by a plurality of fan blades which are circumferentially arranged is arranged in the main body frame, a main shaft capable of driving the water curtain body to rotate is arranged at the center of the water curtain body, a water distribution mechanism used for uniformly distributing sewage in the water curtain body and communicated with the water inlet pipe is arranged right above the water curtain body, and a filtering mechanism used for filtering the falling sewage in the water curtain body and communicated with the water outlet pipe is arranged below the water curtain body. The sewage entering the system is uniformly distributed through the water distribution mechanism and forms water drops to the water curtain body, the water curtain body rotates along with the main shaft, the sewage is evaporated and air-dried on the surfaces of the fan blades under the action of natural wind, and the sewage which is not completely air-dried falls into the filtering mechanism and is filtered completely and then is discharged. The invention has simple structure and low cost, but can not effectively recycle the waste, and has low treatment efficiency and low resource utilization rate.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a livestock and poultry breeding waste non-point source pollution treatment device, which aims to solve the technical problems that: how to realize the effective recycle of the cultivation waste, improve the treatment efficiency of the cultivation waste and improve the resource utilization rate.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a livestock and poultry breeding discarded object non-point source pollution processing apparatus, including raising room and methane-generating pit, it has a plurality of column department to separate in the room to raise, all be equipped with the hourglass dropping board under the column department, it digs and is equipped with the hole body to raise the room below, the internal belt support that is fixed with of hole, separation block and guide bar, belt support both ends cover is equipped with the belt, the both sides of belt are fixed with the baffle, the belt passes through motor drive, it is provided with the scraper blade to slide on the guide bar, it is fixed with the cylinder to raise the room bottom, the end fixing of cylinder output shaft has the hinge joint, it has the connecting rod to articulate on the hinge joint, the tip of connecting rod articulates on the scraper blade, the end fixing of belt support has the material loading way, the material loading way links to each other with the pan feeding mouth of methane-generating pit, the tip of separation block is provided with sewage treatment mechanism.

The working principle of the invention is as follows: breed discarded object such as birds poultry excrement and urine is convenient for collect through setting up hourglass dropping board, the discarded object falls on the separation piece in below, the output shaft of cylinder drives hinge reciprocating motion, the both ends of connecting rod are articulated with hinge and scraper blade respectively, make the scraper blade be straight reciprocating motion along the guide bar direction, can scrape away the solid waste on the separation piece, and fall on the belt, through the belt transportation, through the material loading way, send into in the methane-generating pit, automated processing is efficient, can prevent that the discarded object from piling up the back and being difficult to the clearance, reduce the peculiar smell, improve people and birds poultry living environment, liquid waste can follow and carry out sewage treatment in the separation piece flows into sewage treatment mechanism.

The quantity of separation piece is two, and the symmetry sets up in belt bracket both sides, and the lateral part of separation piece is equipped with the swash plate, sets up the horizontal runner of a plurality of equipartitions on the separation piece, and the one end of horizontal runner is the shallowly mouthful end, and the other end of horizontal runner is the deep mouth end.

By adopting the structure, the inclined plate can guide solid waste and prevent the waste from falling outside the belt, the separating block is provided with a plurality of uniformly distributed transverse flow channels, and liquid waste can flow out from the deep opening end along the transverse flow channels.

The transverse flow channel is an inclined slide way, and the depth of the deep port end is deeper than that of the shallow port end.

By adopting the structure, the transverse flow channel has a certain gradient, so that the liquid waste can flow out by self gravity along the direction from the shallow port end to the deep port end, and the structure is energy-saving and environment-friendly.

The number of the scraping plates is two, and the scraping plates are respectively positioned above the two separating blocks.

Sewage treatment mechanism includes the one-level sedimentation tank, the second grade sedimentation tank, the aerobic treatment pond, anaerobic fermentation pond and water pump, the quantity of one-level sedimentation tank and second grade sedimentation tank all is two, and the symmetry sets up in belt bracket both sides respectively, the water inlet and the end of deep opening of one-level sedimentation tank link to each other, the delivery port of one-level sedimentation tank links to each other with the water inlet of second grade sedimentation tank, be provided with the filter membrane between one-level sedimentation tank and the second grade sedimentation tank, the delivery port of second grade sedimentation tank all links to each other with the anaerobic fermentation pond through the flow tube that closes, the mouth that draws water of water pump links to each other with the anaerobic fermentation pond, the delivery port and the aerobic treatment pond of water pump link to each other.

Structure more than adopting, liquid waste flows into the first order sedimentation tank sediment from the end of deep opening at first, flow into the second order sedimentation tank sediment through the filter membrane again, multistage sediment, can effectively filter suspended solid, the floater, fibrous material and solid particle thing, sewage after the sediment flows into the anaerobic fermentation pond through the flow merging pipe, the anaerobic fermentation pond buries deeply underground, it is sealed effectual, organic matter in the sewage is decomposed by anaerobic bacteria, the metabolism, the digestion, make the organic matter content in the sewage reduce by a wide margin, the marsh gas of while production passes through in the pipeline lets in the methane-generating pit, the residue can be used as fertilizer through the dehydration concentration, sewage through anaerobic treatment is extracted by the water pump to the aerobic treatment pond in again and is carried out aerobic treatment, it is better to go out water quality, sewage after the purification can let in artificial wetland or discharge into and use as fertilizer in the farmland.

The bottom of the anaerobic fermentation tank is a residue collecting tank, and a water pumping port of the water pump is positioned above the residue collecting tank.

Structure more than adopting, the mouth that draws water of water pump is located residue collecting pit top can prevent that the residue from blockking up the water pump.

Compared with the prior art, the livestock and poultry breeding waste non-point source pollution treatment device has the following advantages:

1. solid waste and liquid waste are separately treated, the automatic treatment efficiency is high, the waste is prevented from being difficult to clean after being accumulated, peculiar smell is reduced, the living environment of people and livestock is improved, the waste can be effectively recycled, and the resource utilization rate is improved;

2. the multistage sedimentation can effectively filter suspended matters, floating matters, fiber substances and solid particles;

3. organic matters in the sewage are decomposed, metabolized and digested by anaerobic bacteria, so that the content of the organic matters in the sewage is greatly reduced, simultaneously, the generated biogas is introduced into a biogas digester through a pipeline, and residues can be used as fertilizer after dehydration and concentration;

4. the quality of the effluent after aerobic treatment is better, and the purified sewage can be introduced into the artificial wetland or discharged into the farmland to be used as fertilizer.

Drawings

FIG. 1 is a schematic diagram of an axial structure of the present invention;

FIG. 2 is a schematic elevation view of the present invention;

in the figure: 1-pit body, 2-breeding chamber, 2 a-column, 2 b-dropping board, 3-belt bracket, 4-belt, 4 a-baffle, 5-separating block, 5 a-cross flow channel, 5 b-shallow port, 5 c-deep port, 5 d-inclined plate, 6-cylinder, 7-hinged joint, 8-scraping plate, 9-connecting rod, 10-guide rod, 11-primary sedimentation tank, 12-secondary sedimentation tank, 13-aerobic treatment tank, 14-confluence pipe, 15-filter membrane, 16-feeding channel, 17-methane tank, 18-anaerobic fermentation tank and 19-water pump.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, the present embodiment provides a non-point source pollution treatment device for livestock and poultry breeding waste, comprising a breeding chamber 2 and a biogas digester 17, wherein the breeding chamber 2 is divided into a plurality of columns 2a, a feces leaking plate 2b is disposed below the columns 2a, a pit 1 is dug below the breeding chamber 2, a belt support 3, a separating block 5 and a guide rod 10 are fixed in the pit 1, in the present embodiment, the fixing manner is connected by bolts, belts 4 are sleeved at two ends of the belt support 3, baffles 4a are fixed at two sides of the belts 4, the belts 4 are driven by a motor, a scraper 8 is slidably disposed on the guide rod 10, a cylinder 6 is fixed at the bottom of the breeding chamber 2, in the present embodiment, the fixing manner is connected by bolts, a hinge 7 is fixed at an end of an output shaft of the cylinder 6, in the present embodiment, the fixing manner is connected by threads, a connecting rod 9 is hinged on the hinge 7, the end part of the connecting rod 9 is hinged on the scraping plate 8, the end part of the belt bracket 3 is fixed with a feeding channel 16, in the embodiment, the fixing mode adopts bolt connection, the feeding channel 16 is connected with a feeding port of a methane tank 17, and the end part of the separating block 5 is provided with a sewage treatment mechanism; breed discarded object such as birds poultry excrement and urine is convenient for collect through setting up hourglass dropping board 2b, the discarded object falls on below separation piece 5, the output shaft of cylinder 6 drives articulated joint 7 reciprocating motion, the both ends of connecting rod 9 are articulated with articulated joint 7 and scraper blade 8 respectively, make scraper blade 8 be straight reciprocating motion along guide bar 10 direction, can scrape away the solid waste on separation piece 5, and fall on belt 4, through the transportation of belt 4, through material loading way 16, send into in methane-generating pit 17, automated processing is efficient, can prevent that the discarded object from piling up the back and be difficult to the clearance, reduce the peculiar smell, improve people and birds poultry living environment, liquid waste can follow separation piece 5 and flow into in the sewage treatment mechanism and carry out the blowdown treatment.

The number of the separating blocks 5 is two, the separating blocks are symmetrically arranged on two sides of the belt bracket 3, inclined plates 5d are arranged on the side portions of the separating blocks 5, a plurality of uniformly distributed transverse flow passages 5a are formed in the separating blocks 5, one ends of the transverse flow passages 5a are shallow end 5b, and the other ends of the transverse flow passages 5a are deep end 5 c; the inclined plate 5d can guide the solid waste and prevent the waste from falling outside the belt 4, the separating block 5 is provided with a plurality of uniformly distributed transverse flow channels 5a, and the liquid waste can flow out from the deep opening end 5c along the transverse flow channels 5 a.

The transverse flow passage 5a is an inclined slide way, and the depth of the deep opening end 5c is deeper than that of the shallow opening end 5 b; the transverse flow channel 5a has a certain gradient, so that the liquid waste can flow out by the gravity of the transverse flow channel along the direction from the shallow port end 5b to the deep port end 5c, and the transverse flow channel is energy-saving and environment-friendly.

The number of scrapers 8 is two, and they are respectively located above the two separation blocks 5.

The sewage treatment mechanism comprises a primary sedimentation tank 11, a secondary sedimentation tank 12, an aerobic treatment tank 13, an anaerobic fermentation tank 18 and a water pump 19, wherein the number of the primary sedimentation tank 11 and the secondary sedimentation tank 12 is two, the primary sedimentation tank 11 and the secondary sedimentation tank 12 are respectively and symmetrically arranged at two sides of the belt bracket 3, a water inlet of the primary sedimentation tank 11 is connected with a deep port end 5c, a water outlet of the primary sedimentation tank 11 is connected with a water inlet of the secondary sedimentation tank 12, a filter membrane 15 is arranged between the primary sedimentation tank 11 and the secondary sedimentation tank 12, a water outlet of the secondary sedimentation tank 12 is connected with the anaerobic fermentation tank 18 through a flow combining pipe 14, a water pumping port of the water pump 19 is connected with the anaerobic fermentation tank 18, and a water outlet of the water pump 19 is connected with the aerobic treatment tank 13; liquid waste firstly flows into a first-stage sedimentation tank 11 from a deep opening end 5c for sedimentation, then flows into a second-stage sedimentation tank for sedimentation through a filter membrane 15, and is subjected to multi-stage sedimentation, suspended matters, floating matters, fiber substances and solid particles can be effectively filtered, the settled sewage flows into an anaerobic fermentation tank 18 through a confluence pipe 14, the anaerobic fermentation tank 18 is deeply buried underground, the sealing effect is good, organic matters in the sewage are decomposed, metabolized and digested by anaerobic bacteria, so that the content of the organic matters in the sewage is greatly reduced, meanwhile, the generated methane is introduced into a methane tank through a pipeline, residues can be used as fertilizers after dehydration and concentration, the sewage after anaerobic treatment is extracted into an aerobic treatment tank 13 by a water pump 19 for aerobic treatment, the effluent quality is better, and the purified sewage can be introduced into an artificial wetland or discharged into a farmland for fertilizer use.

The bottom of the anaerobic fermentation tank 18 is a residue collecting tank, and a water pumping port of a water pump 19 is positioned above the residue collecting tank; the water pump 19 has a pumping port located above the residue collection tank to prevent the residue from clogging the water pump 19.

The working principle of the invention is as follows:

breed discarded object such as birds poultry excrement and urine is convenient for collect through setting up hourglass dropping board 2b, the discarded object falls on below separation piece 5, the output shaft of cylinder 6 drives articulated joint 7 reciprocating motion, the both ends of connecting rod 9 are articulated with articulated joint 7 and scraper blade 8 respectively, make scraper blade 8 be straight reciprocating motion along guide bar 10 direction, can scrape away the solid waste on the separation piece 5, and fall on belt 4, through the transportation of belt 4, through material loading way 16, send into in methane-generating pit 17, automated processing is efficient, can prevent that the discarded object from piling up the back and being difficult to the clearance, reduce the peculiar smell, improve people and birds poultry living environment, swash plate 5d can play the guide effect to solid waste, and can prevent that the discarded object from falling outside belt 4. The liquid waste can flow out from a transverse flow passage 5a in the separation block 5 through a deep opening end 5c, the transverse flow passage 5a has a certain gradient, the liquid waste can flow out by self gravity along the direction from a shallow opening end 5b to the deep opening end 5c, the energy is saved, the environment is protected, the liquid waste firstly flows into a first-stage sedimentation tank 11 from the deep opening end 5c for sedimentation, then flows into a second-stage sedimentation tank for sedimentation through a filter membrane 15, the multi-stage sedimentation can effectively filter suspended matters, floating matters, fiber matters and solid particles, the settled sewage flows into an anaerobic fermentation tank 18 through a confluence pipe 14, the anaerobic fermentation tank 18 is deeply buried underground, the sealing effect is good, the organic matters in the sewage are decomposed, metabolized and digested by anaerobic bacteria, the content of the organic matters in the sewage is greatly reduced, meanwhile, the generated methane is introduced into a methane tank through a pipeline, the residues can be used as fertilizer after dehydration and concentration, the sewage after anaerobic treatment is extracted into an aerobic treatment tank 13 by a water pump 19 for aerobic treatment, the effluent quality is better, and the purified sewage can be introduced into the artificial wetland or discharged into the farmland to be used as fertilizer. The water pump 19 has a pumping port located above the residue collection tank to prevent the residue from clogging the water pump 19.

In conclusion, the solid waste and the liquid waste are separately treated, the automatic treatment efficiency is high, the waste is prevented from being difficult to clean after being accumulated, the peculiar smell is reduced, the living environment of people and livestock is improved, the waste can be effectively recycled, and the resource utilization rate is improved; the multistage sedimentation can effectively filter suspended matters, floating matters, fiber substances and solid particles; organic matters in the sewage are decomposed, metabolized and digested by anaerobic bacteria, so that the content of the organic matters in the sewage is greatly reduced, simultaneously, the generated biogas is introduced into a biogas digester through a pipeline, and residues can be used as fertilizer after dehydration and concentration; aerobic treatment, the effluent quality is better, and the purified sewage can be introduced into the artificial wetland or discharged into the farmland to be used as fertilizer.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a livestock and poultry breeding discarded object non-point source pollution treatment device, including raising room (2) and methane-generating pit (17), its characterized in that, it has a plurality of column (2 a) to separate in raising room (2), all be equipped with excrement-leaking board (2 b) under column (2 a), it digs below room (2) and is equipped with pit body (1) to raise, pit body (1) internal fixation has belt support (3), separation block (5) and guide bar (10), belt support (3) both ends cover is equipped with belt (4), the both sides of belt (4) are fixed with baffle (4 a), belt (4) pass through motor drive, sliding on guide bar (10) is provided with scraper blade (8), it is fixed with cylinder (6) to raise room (2) bottom, the end fixing of cylinder (6) output shaft has articulated joint (7), articulated joint (7) go up articulated connecting rod (9), the tip of connecting rod (9) articulates on scraper blade (8), a feeding channel (16) is fixed at the end part of the belt bracket (3), the feeding channel (16) is connected with a feeding port of the methane tank (17), and a sewage treatment mechanism is arranged at the end part of the separation block (5);

the belt conveyor is characterized in that the number of the separating blocks (5) is two, the separating blocks are symmetrically arranged on two sides of the belt support (3), inclined plates (5 d) are arranged on the side portions of the separating blocks (5), a plurality of uniformly distributed transverse flow channels (5 a) are formed in the separating blocks (5), one ends of the transverse flow channels (5 a) are shallow mouth ends (5 b), and the other ends of the transverse flow channels (5 a) are deep mouth ends (5 c); the two scraping plates (8) are respectively positioned above the two separating blocks (5), waste falls on the separating blocks (5) below, an output shaft of the air cylinder (6) drives the hinged joint (7) to reciprocate, and two ends of the connecting rod (9) are respectively hinged with the hinged joint (7) and the scraping plates (8), so that the scraping plates (8) do linear reciprocating motion along the direction of the guide rod (10), scrape solid waste on the separating blocks (5), fall on the belt (4), are transported through the belt (4), pass through the feeding channel (16), and are conveyed into the methane tank (17);

the sewage treatment mechanism comprises a first-stage sedimentation tank (11), a second-stage sedimentation tank (12), an aerobic treatment tank (13), an anaerobic fermentation tank (18) and a water pump (19), the number of the first-stage sedimentation tank (11) and the second-stage sedimentation tank (12) is two, the two sedimentation tanks are symmetrically arranged on two sides of a belt bracket (3) respectively, a water inlet of the first-stage sedimentation tank (11) is connected with a deep port end (5 c), a water outlet of the first-stage sedimentation tank (11) is connected with a water inlet of the second-stage sedimentation tank (12), a filter membrane (15) is arranged between the first-stage sedimentation tank (11) and the second-stage sedimentation tank (12), a water outlet of the second-stage sedimentation tank (12) is connected with the anaerobic fermentation tank (18) through a confluence pipe (14), a water pumping port of the water pump (19) is connected with the anaerobic fermentation tank (18), and a water outlet of the water pump (19) is connected with the aerobic treatment tank (13).

2. The livestock and poultry breeding waste surface source pollution treatment device according to claim 1, wherein the cross runner (5 a) is an inclined slideway, and the depth of the deep opening end (5 c) is deeper than that of the shallow opening end (5 b).

3. The livestock and poultry breeding waste non-point source pollution treatment device according to claim 1, wherein the bottom of the anaerobic fermentation tank (18) is a residue collection tank, and a water pumping port of a water pump (19) is positioned above the residue collection tank.