CN113767834B - Innocent treatment device system and method for poultry excrement - Google Patents
Innocent treatment device system and method for poultry excrement Download PDFInfo
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- CN113767834B CN113767834B CN202111182172.1A CN202111182172A CN113767834B CN 113767834 B CN113767834 B CN 113767834B CN 202111182172 A CN202111182172 A CN 202111182172A CN 113767834 B CN113767834 B CN 113767834B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/60—Apparatus for preparing growth substrates or culture media
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
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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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/50—Treatments combining two or more different biological or biochemical treatments, e.g. anaerobic and aerobic treatment or vermicomposting and aerobic treatment
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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
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
- C05F17/90—Apparatus therefor
- C05F17/957—Apparatus therefor using two or more serially arranged devices
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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
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M45/00—Means for pre-treatment of biological substances
- C12M45/04—Phase separators; Separation of non fermentable material; Fractionation
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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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention discloses a harmless treatment device system for poultry excrement, which comprises a substrate fermentation tank, a methane tank, a microorganism seeding tank, a sedimentation tank, a liquid fermentation tank, a poultry breeding house and a feed liquid transmission pipeline assembly, wherein one end of a straw feeding pipe is used for feeding materials, and the other end of the straw feeding pipe is arranged on the substrate fermentation tank; dry excrement in the poultry breeding house enters a methane tank, and wet excrement and cleaning water of the poultry breeding house enter a sedimentation tank; the clear liquid in the sedimentation tank enters a liquid fermentation tank for fermentation, and the sediment thereof enters a methane tank through a sedimentation discharge pipe; the fermentation liquor in the liquid fermentation tank is subjected to expanded culture in a microorganism seed tank and then enters a substrate fermentation tank; the biogas slurry in the biogas pool enters the substrate fermentation tank through the biogas slurry discharge pipe. The invention also discloses a harmless treatment method of the poultry manure. The invention has the advantages of ingenious design, compact structure and simple process, can carry out harmless treatment on the poultry manure, has high treatment efficiency and thorough treatment, can fully utilize the poultry manure, and is efficient and reliable.
Description
Technical Field
The invention relates to the technical field of recycling of poultry excrement, in particular to a harmless treatment device system and a treatment method for poultry excrement.
Background
With the rapid development and continuous enlargement of the scale of poultry farming industry in China, the discharge amount of poultry manure is also increased rapidly, and the harmless treatment of the poultry manure also becomes a significant problem for farms.
At present, poultry manure of poultry farms is mainly treated by fermentation of a biogas digester, but poultry cultivation not only has dry manure, but also has a large amount of dilute manure aqueous solution containing cleaning water, the manure treatment efficiency is not high due to the simple fermentation of the biogas digester, biogas slurry and biogas residues fermented by the biogas digester cannot be reasonably treated, and the manure treatment is not thorough.
Disclosure of Invention
The invention aims to: provides a harmless treatment device system and a treatment method for poultry excrement to solve the defects.
In order to achieve the above purpose, the invention provides the following technical scheme:
a poultry excrement innocent treatment device system comprises a substrate fermentation tank, a methane tank, a microorganism seed tank, a sedimentation tank, a liquid fermentation tank, a poultry breeding house and a feed liquid transmission pipeline assembly, wherein the feed liquid transmission pipeline assembly comprises a straw feeding pipe, a dry excrement feeding pipe, a clear liquid discharging pipe, a sedimentation discharging pipe, a biogas liquid discharging pipe, a biogas residue discharging pipe, a fermentation liquid discharging pipe and a microorganism strain discharging pipe; one end of the straw feeding pipe is used for feeding, and the other end of the straw feeding pipe is arranged on the substrate fermentation tank; dry excrement in the poultry breeding house enters the methane tank through the dry excrement feeding pipe, and wet excrement and cleaning water of the dry excrement enter the sedimentation tank; clear liquid in the sedimentation tank enters a liquid fermentation tank through a clear liquid discharging pipe for fermentation, and sediment of the clear liquid enters a methane tank through a sedimentation discharging pipe; the fermentation liquor in the liquid fermentation tank enters the microbial seed tank through the fermentation liquor discharge pipe for expanded culture, and then enters the substrate fermentation tank through the microbial seed discharge pipe and the straw feed pipe; and the biogas slurry in the biogas pool enters the matrix fermentation tank through the biogas slurry discharge pipe.
Preferably, the hydrothermal device is further included, and the hydrothermal device comprises: the device comprises a water storage tank, a substrate fermentation tank water inlet pipe, a substrate fermentation tank water outlet pipe and a storage tank water outlet pipe, wherein a cooling coil pipe is arranged in the substrate fermentation tank, the substrate fermentation tank water inlet pipe and the substrate fermentation tank water outlet pipe are respectively connected to the water inlet end and the water outlet end of the cooling coil pipe, and the other end of the substrate fermentation tank water outlet pipe is connected to the water storage tank; one end of the water outlet pipe of the storage tank is connected to the bottom in the water storage tank, and the other end of the water outlet pipe of the storage tank is connected to the top end in the substrate fermentation tank.
Preferably, the hydrothermal device further comprises a storage tank water outlet branch pipe, one end of the storage tank water outlet branch pipe is connected to the storage tank water outlet pipe, the other end of the storage tank water outlet branch pipe is connected to the poultry breeding house, and the poultry breeding house is sprayed and washed through a spray head arranged in the poultry breeding house.
Preferably, one end of the biogas slurry discharge pipe is connected to the supernatant in the biogas pool, and the other end of the biogas slurry discharge pipe is connected to the water outlet pipe of the storage tank; the biogas slurry discharging pipe is connected with a biogas slurry discharging branch pipe.
Preferably, be provided with the breed baffle in the poultry breeding house, be provided with the small opening of a plurality of equipartitions on breeding the baffle, breed the poultry of baffle below and breed the house subaerial and be provided with the dung scraping board, the subaerial one end of poultry breeding house is provided with excrement and urine water liquid passageway, wet excrement and urine and wasing water in the poultry breeding house get into the sedimentation tank through excrement and urine water liquid passageway and deposit.
Preferably, the substrate fermentation tank is provided with a plurality of, a plurality of all be provided with straw feeding branch pipe on the substrate fermentation tank, the straw feeding branch pipe other end all communicates on the straw inlet pipe.
Preferably, a substrate discharge hole is formed in the bottom of the substrate fermentation tank, a discharge screw conveyer is arranged below the substrate discharge hole, a substrate hopper is arranged at the tail end of the discharge screw conveyer, and the tail ends of a plurality of discharge screw conveyers at the lower end of the substrate fermentation tank are connected to the substrate hopper.
Preferably, a stirring shaft and a stirring paddle are arranged in the substrate fermentation tank, the microorganism seeding tank and the liquid fermentation tank, the stirring paddle is arranged on the stirring shaft, and the stirring shaft is controlled to rotate by a motor.
Preferably, the harmless treatment method of the poultry manure comprises the following steps:
s1, poultry are raised in a poultry breeding house, wherein dry excrement is directly discharged into a methane tank through a dry excrement feeding pipe, and wet excrement and cleaning water for cleaning the house enter a settling pond for settling separation;
s2, after precipitation separation of wet excrement and cleaning water in the sedimentation tank, enabling supernatant liquor to enter a liquid fermentation tank through a clear liquor discharge pipe to perform microbial fermentation; the excrement sediment in the sedimentation tank enters the methane tank through a sedimentation discharge pipe and is fermented together with the dry excrement;
s3, drying and crushing crop straws, and adding the crop straws into a substrate fermentation tank through a straw feeding pipe; warm water stored in the water storage tank is added into the substrate fermentation tank through a water outlet pipe of the storage tank, and is uniformly stirred with the crop straws for soaking for a period of time;
s4, after soaking is finished, after crop straws in the matrix fermentation tank fully absorb moisture, the fermentation biogas slurry in the biogas tank enters the matrix fermentation tank through a biogas slurry discharging pipe and a storage tank water outlet pipe, is uniformly stirred with the soaked crop straws, and is accumulated for a period of time, so that primary decomposition is realized;
s5, adding fermented biogas residues in the biogas pool and fermentation liquor in the liquid fermentation tank into the microbial seed tank, supplementing microbial culture components, inoculating microbial strains after sterilization, and performing enlarged culture to obtain a production strain for thoroughly decomposing fermentation;
s6, adding fermented biogas residues in the biogas pool and the decomposed fermentation production strains prepared in the step S into the substrate fermentation tank after the primary decomposition in the step S, supplementing a proper amount of fermented biogas slurry in the biogas pool and warm water stored in the water storage tank, uniformly stirring, and sealing and composting;
s7, stirring the crop straws in the substrate fermentation tank in a proper time during the composting process, and supplementing warm water; controlling the water inlet pipe of the substrate fermentation tank to feed water once the temperature of the crop straws in the substrate fermentation tank exceeds 80 ℃, cooling by utilizing a cooling coil arranged in the substrate fermentation tank, and allowing warm water at the water outlet end of the cooling coil to flow into a water storage tank through a water outlet pipe of the substrate fermentation tank for storage and standby;
s8, after the crop straws in the substrate fermentation tank are piled up and decayed for a period of time, the straws are held by hands to be broken into pieces, and the substrate containing the crop straws and the poultry manure is prepared after the crop straws are decayed, so that the whole process of harmless treatment of the poultry manure is realized.
The invention has the beneficial effects that:
according to the device, wet excrement discharged from a poultry breeding house and cleaning water for cleaning a colony house are subjected to precipitation separation through the sedimentation tank; the clear liquid after precipitation is subjected to microbial liquid fermentation through a liquid fermentation tank, so that the urine-containing fecal aqueous solution is fully treated; the fermentation liquid in the liquid fermentation tank can be fermented together with dry excrement in a methane tank to perform methane fermentation treatment, and can also be used as a microorganism culture raw material together with methane residues of methane fermentation to perform expanded culture of microorganism strains in a microorganism seed tank; the crop straws, the biogas slurry and the biogas residues are decomposed by a substrate fermentation tank to prepare a substrate containing the crop straws and the poultry manure, and the substrate can be used as a substrate for cultivating crops and fruit trees and growing seedlings. The innocent treatment device system for the poultry manure has the advantages of ingenious design and compact structure; the harmless treatment method of the poultry manure is simple in process, can carry out harmless treatment on the poultry manure, is high in treatment efficiency, thorough in treatment, efficient and reliable, and can fully utilize the poultry manure.
Drawings
FIG. 1: the device of the invention is a schematic structure of a system.
Detailed Description
The following description of the embodiments of the present invention is made with reference to the accompanying fig. 1:
as shown in figure 1, the innocent treatment device system for the poultry manure comprises a substrate fermentation tank 1, a methane tank 2, a microorganism seed tank 3, a sedimentation tank 4, a liquid fermentation tank 5, a hydrothermal device 6, a poultry breeding house 7 and a feed liquid transmission pipeline assembly 8.
The feed liquid transmission pipeline assembly 8 comprises a straw feeding pipe 81, a dry excrement feeding pipe 82, a clear liquid discharging pipe 84, a precipitation discharging pipe 85, a biogas liquid discharging pipe 86, a biogas residue discharging pipe 87, a fermentation liquid discharging pipe 88 and a microorganism strain discharging pipe 89; one end of the straw feeding pipe 81 feeds materials, and the other end is arranged on the substrate fermentation tank 1; dry excrement in the poultry breeding house 7 enters the methane tank 2 through the dry excrement feeding pipe 82, and wet excrement and cleaning water enter the sedimentation tank 4; clear liquid in the sedimentation tank 4 enters the liquid fermentation tank 5 through a clear liquid discharging pipe 84 for fermentation, and sediment enters the methane tank 2 through a sedimentation discharging pipe 85; fermentation liquor in the liquid fermentation tank 5 enters the microorganism seeding tank 3 through a fermentation liquor discharging pipe 88 for expanded culture, and then enters the substrate fermentation tank 1 through a microorganism seeding pipe 89 and a straw feeding pipe 81; the biogas slurry in the biogas digester 2 enters the substrate fermentation tank 1 through a biogas slurry discharging pipe 86. One end of the biogas slurry discharging pipe 86 is connected to the upper layer clear liquid in the biogas digester 2, the other end of the biogas slurry discharging pipe 86 is connected to the storage tank water outlet pipe 64, a biogas slurry discharging branch pipe 861 is connected to the biogas slurry discharging pipe 86, the upper layer clear liquid biogas slurry in the biogas digester 2 passes through the biogas slurry discharging pipe 86, and the biogas slurry discharging branch pipe 861 is externally connected, so that the biogas slurry can be fully utilized, for example, the biogas slurry is used for irrigating and spraying crops, fruit trees and the like.
The substrate fermentation tank 1 is provided with a plurality of, all is provided with straw feeding branch pipe 83 on a plurality of substrate fermentation tank 1, and the straw feeding branch pipe 83 other end all communicates on straw inlet pipe 81. The bottom of the substrate fermentation tank 1 is provided with a substrate discharge hole, a discharge screw 12 is arranged below the substrate discharge hole, the tail end of the discharge screw 12 is provided with a substrate hopper 13, and the tail ends of the discharge screws 12 at the lower ends of the plurality of substrate fermentation tanks 1 are connected to the substrate hopper 13. All be provided with (mixing) shaft and stirring rake in matrix fermentation jar 1, microorganism seed jar 3, the liquid fermentation jar 5, the stirring rake is installed on the (mixing) shaft, and the (mixing) shaft passes through motor control and rotates.
Be provided with in the poultry breeding house 7 and breed baffle 72, breed and be provided with a plurality of even small openings on the baffle 72, breed and be provided with dung scraping plate 73 on the poultry breeding house 7 ground of baffle 72 below, one end is provided with excrement and urine water liquid passageway 71 on the poultry breeding house 7 ground, and wet excrement and urine and washing water in the poultry breeding house 7 get into the sedimentation tank 4 through excrement and urine water passageway 71 and deposit.
The hydrothermal apparatus 6 includes: the substrate fermentation tank 1 is internally provided with a cooling coil 11, the substrate fermentation tank water inlet pipe 62 and the substrate fermentation tank water outlet pipe 63 are respectively connected with the water inlet end and the water outlet end of the cooling coil 11, and the other end of the substrate fermentation tank water outlet pipe 63 is connected into the water storage tank 61; one end of the storage tank water outlet pipe 64 is connected to the bottom in the water storage tank 61, and the other end is connected to the top in the substrate fermentation tank 1. One end of the storage tank outlet branch pipe 65 is connected to the storage tank outlet pipe 64, and the other end is connected to the inside of the poultry house 7, and the inside of the poultry house 7 is sprayed and washed by a spray head 74 installed in the poultry house 7.
A harmless treatment method for poultry manure comprises the following steps:
s1, poultry raised in a poultry breeding house 7 are treated by directly discharging dry excrement into a biogas digester 2 through a dry excrement feeding pipe 82, and feeding wet excrement and cleaning water for cleaning the housing into a sedimentation tank 4 for sedimentation and separation;
s2, after the wet excrement and the cleaning water in the sedimentation tank 4 are subjected to sedimentation separation, supernatant liquor enters a liquid fermentation tank 5 through a liquor discharge pipe 84 to be subjected to microbial fermentation; the excrement sediment in the sedimentation tank 4 enters the methane tank 2 through a sedimentation discharge pipe 85 and is fermented together with the dry excrement;
s3, drying and crushing crop straws, and adding the crop straws into the substrate fermentation tank 1 through a straw feeding pipe 81; warm water stored in the water storage tank 61 is added into the substrate fermentation tank 1 through a water outlet pipe 64 of the storage tank, and is uniformly mixed with the crop straws and soaked for a period of time;
s4, after soaking is finished and the crop straws in the substrate fermentation tank 1 fully absorb moisture, the fermentation biogas slurry in the biogas digester 2 enters the substrate fermentation tank 1 through a biogas slurry discharging pipe 86 and a storage tank water outlet pipe 64 to be uniformly stirred together with the soaked crop straws and is accumulated for a period of time to realize primary decomposition;
s5, adding fermentation biogas residues in the biogas digester 2 and fermentation liquor in the liquid fermentation tank 5 into the microbial seed tank 3, supplementing microbial culture components, inoculating microbial strains after sterilization, and performing expanded culture to obtain production strains for mature fermentation;
s6, adding fermentation biogas residues in the biogas digester 2 and the decomposed fermentation production strains prepared in the step S5 into the substrate fermentation tank 1 after the primary decomposition in the step S4, supplementing a proper amount of fermentation biogas slurry in the biogas digester 2 and warm water stored in the water storage tank 61, uniformly stirring, and sealing and composting;
s7, stirring the crop straws in the substrate fermentation tank 1 in a timely manner in the composting process, and supplementing warm water; once the temperature of the crop straws in the substrate fermentation tank 1 exceeds 80 ℃, controlling the water inlet pipe 62 of the substrate fermentation tank to feed water, utilizing the cooling coil 11 arranged in the substrate fermentation tank 1 to cool, and allowing the warm water at the water outlet end of the cooling coil 11 to flow into the water storage tank 61 through the water outlet pipe 63 of the substrate fermentation tank for storage and standby;
s8, after the crop straws in the substrate fermentation tank 1 are piled up and decayed for a period of time, the crop straws are held by hands and then broken into pieces, and the substrate containing the crop straws and the poultry manure is prepared after the crop straws are decayed, so that the whole process of harmless treatment of the poultry manure is realized.
According to the device, wet excrement discharged from a poultry breeding house 7 and cleaning water for cleaning a colony house are subjected to precipitation separation through a sedimentation tank 4; the clear liquid after precipitation is subjected to microbial liquid fermentation through a liquid fermentation tank 5, so that the urine-containing excrement aqueous solution is fully treated; the fermentation liquid in the liquid fermentation tank 5 can be fermented together with dry excrement in the methane tank 2, or can be used as a microorganism culture raw material together with biogas residues of methane fermentation, and the microorganism seeds are subjected to enlarged culture in the microorganism seed tank 3; the crop straws, the biogas slurry and the biogas residues are decomposed by a substrate fermentation tank 1 to prepare a substrate containing the crop straws and the poultry manure, and the substrate can be used as a substrate for cultivating crops and fruit trees and growing seedlings.
The innocent treatment device system for the poultry manure has the advantages of ingenious design and compact structure; the harmless treatment method of the poultry manure is simple in process, can carry out harmless treatment on the poultry manure, is high in treatment efficiency, thorough in treatment, efficient and reliable, and can fully utilize the poultry manure.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.
Claims (6)
1. A poultry excrement innocent treatment device system is characterized by comprising a substrate fermentation tank (1), a methane tank (2), a microorganism seed tank (3), a sedimentation tank (4), a liquid fermentation tank (5), a poultry breeding house (7) and a feed liquid transmission pipeline assembly (8), wherein the feed liquid transmission pipeline assembly (8) comprises a straw feeding pipe (81), a dry excrement feeding pipe (82), a clear liquid discharging pipe (84), a sedimentation discharging pipe (85), a methane liquid discharging pipe (86), a methane residue discharging pipe (87), a fermentation liquid discharging pipe (88) and a microorganism bacterium seed discharging pipe (89);
one end of the straw feeding pipe (81) feeds materials, and the other end of the straw feeding pipe is arranged on the substrate fermentation tank (1); dry excrement in the poultry breeding house (7) enters the methane tank (2) through a dry excrement feeding pipe (82), and wet excrement and cleaning water enter the sedimentation tank (4); clear liquid in the sedimentation tank (4) enters a liquid fermentation tank (5) through a clear liquid discharging pipe (84) for fermentation, and sediment enters the methane tank (2) through a sedimentation discharging pipe (85); fermentation liquor in the liquid fermentation tank (5) enters the microbial seeding tank (3) through a fermentation liquor discharge pipe (88) for expanded culture, and then enters the substrate fermentation tank (1) through a microbial strain discharge pipe (89) and a straw feed pipe (81); the biogas slurry in the biogas digester (2) enters the substrate fermentation tank (1) through a biogas slurry discharge pipe (86);
further comprising a hydrothermal device (6), the hydrothermal device (6) comprising: the substrate fermentation tank comprises a water storage tank (61), a substrate fermentation tank water inlet pipe (62), a substrate fermentation tank water outlet pipe (63) and a storage tank water outlet pipe (64), wherein a cooling coil (11) is arranged in the substrate fermentation tank (1), the substrate fermentation tank water inlet pipe (62) and the substrate fermentation tank water outlet pipe (63) are respectively connected to the water inlet end and the water outlet end of the cooling coil (11), and the other end of the substrate fermentation tank water outlet pipe (63) is connected into the water storage tank (61); one end of the storage tank water outlet pipe (64) is connected to the bottom in the water storage tank (61), and the other end is connected to the top in the substrate fermentation tank (1);
the hydrothermal device (6) further comprises a storage tank water outlet branch pipe (65), one end of the storage tank water outlet branch pipe (65) is connected to the storage tank water outlet pipe (64), the other end of the storage tank water outlet branch pipe is connected to the interior of the poultry breeding house (7), and the interior of the poultry breeding house (7) is sprayed and washed through a spray head (74) installed in the poultry breeding house (7);
one end of the biogas slurry discharge pipe (86) is connected to the upper clear liquid in the biogas digester (2), and the other end is connected to the water outlet pipe (64) of the storage tank; the biogas slurry discharging pipe (86) is connected with a biogas slurry discharging branch pipe (861).
2. The poultry manure innocent treatment device system according to claim 1, wherein a poultry breeding house (7) is internally provided with a breeding partition plate (72), the breeding partition plate (72) is provided with a plurality of uniformly distributed weep holes, the poultry breeding house (7) below the breeding partition plate (72) is provided with a manure scraping plate (73) on the ground, one end of the poultry breeding house (7) on the ground is provided with a manure water liquid channel (71), and wet manure and cleaning water in the poultry breeding house (7) enter the sedimentation tank (4) through the manure water liquid channel (71) for sedimentation.
3. The innocent treatment device system for poultry excrement according to claim 1, wherein a plurality of substrate fermentation tanks (1) are arranged, a straw feeding branch pipe (83) is arranged on each of the plurality of substrate fermentation tanks (1), and the other ends of the straw feeding branch pipes (83) are communicated with a straw feeding pipe (81).
4. The poultry manure innocent treatment device system according to claim 3, characterized in that a substrate discharge port is arranged at the bottom of the substrate fermentation tank (1), a discharge flood dragon (12) is arranged below the substrate discharge port, a substrate hopper (13) is arranged at the tail end of the discharge flood dragon (12), and the tail ends of the discharge flood dragon (12) at the lower end of the substrate fermentation tank (1) are connected to the substrate hopper (13).
5. The innocent treatment device system for poultry excrement according to claim 1, wherein a stirring shaft and a stirring paddle are arranged in the substrate fermentation tank (1), the microorganism seed tank (3) and the liquid fermentation tank (5), the stirring paddle is arranged on the stirring shaft, and the rotation of the stirring shaft is controlled by a motor.
6. The method for the innocent treatment of poultry manure as claimed in claim 1, characterized by comprising the following steps:
s1, poultry are raised in a poultry raising house (7), wherein dry excrement is directly discharged into a methane tank (2) through a dry excrement feeding pipe (82), and wet excrement and cleaning water for cleaning the house enter a sedimentation tank (4) for sedimentation and separation;
s2, after precipitation and separation of wet excrement and cleaning water in the sedimentation tank (4), enabling supernatant liquor to enter a liquid fermentation tank (5) through a clear liquid discharge pipe (84) for microbial fermentation; the excrement sediment in the sedimentation tank (4) enters the methane tank (2) through a sedimentation discharge pipe (85) and is fermented together with the dry excrement;
s3, drying and crushing crop straws, and adding the crop straws into the substrate fermentation tank (1) through a straw feeding pipe (81); warm water stored in the water storage tank (61) is added into the substrate fermentation tank (1) through a water outlet pipe (64) of the storage tank and is uniformly mixed with the crop straws for soaking for a period of time;
s4, after soaking is finished, after the crop straws in the substrate fermentation tank (1) fully absorb moisture, the fermentation biogas slurry in the biogas digester (2) enters the substrate fermentation tank (1) through a biogas slurry discharging pipe (86) and a storage tank water outlet pipe (64) to be uniformly stirred together with the soaked crop straws, and is accumulated for a period of time, so that preliminary maturity is realized;
s5, adding fermentation biogas residues in the biogas digester (2) and fermentation liquid in the liquid fermentation tank (5) into the microbial seed tank (3), supplementing microbial culture components, sterilizing, inoculating microbial strains, and performing expanded culture to obtain production strains for mature fermentation;
s6, adding fermentation biogas residues in the biogas digester (2) and the decomposed fermentation production strain prepared in the step S5 into the substrate fermentation tank (1) after the primary decomposition in the step S4, supplementing a proper amount of fermentation biogas slurry in the biogas digester (2) and warm water stored in the water storage tank (61), uniformly stirring, and sealing and composting;
s7, stirring the crop straws in the substrate fermentation tank (1) in a timely manner during the composting process, and supplementing warm water; once the temperature of crop straws in the substrate fermentation tank (1) exceeds 80 ℃, controlling the water inlet pipe (62) of the substrate fermentation tank to feed water, utilizing a cooling coil (11) arranged in the substrate fermentation tank (1) to cool, and allowing warm water at the water outlet end of the cooling coil (11) to flow into a water storage tank (61) through a water outlet pipe (63) of the substrate fermentation tank for storage and standby;
s8, after the crop straws in the substrate fermentation tank (1) are piled up and decayed for a period of time, the substrates containing the crop straws and the poultry manure are prepared by taking the standard that the straws are held by hands and are broken into pieces, and the decomposition of the crop straws is finished, so that the whole process of harmless treatment of the poultry manure is realized.
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