CN114031252B - Efficient livestock and poultry manure treatment system for farm - Google Patents
Efficient livestock and poultry manure treatment system for farm Download PDFInfo
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- CN114031252B CN114031252B CN202111440295.0A CN202111440295A CN114031252B CN 114031252 B CN114031252 B CN 114031252B CN 202111440295 A CN202111440295 A CN 202111440295A CN 114031252 B CN114031252 B CN 114031252B
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- 210000003608 fece Anatomy 0.000 title claims abstract description 25
- 239000010871 livestock manure Substances 0.000 title claims abstract description 25
- 244000144972 livestock Species 0.000 title claims abstract description 17
- 244000144977 poultry Species 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000001035 drying Methods 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 11
- 239000011593 sulfur Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000001694 spray drying Methods 0.000 claims abstract description 8
- 238000000855 fermentation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 7
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004021 humic acid Substances 0.000 claims abstract description 4
- 230000001376 precipitating effect Effects 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 34
- 239000002918 waste heat Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 230000001788 irregular Effects 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 230000002550 fecal effect Effects 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 235000021049 nutrient content Nutrition 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005541 medical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to the technical field of livestock and poultry manure treatment, and discloses a high-efficiency livestock and poultry manure treatment system for a farm, which comprises the following steps of pumping manure of a manure suction vehicle into a sealed storage tank through a pipeline, carrying out anaerobic fermentation for 60-80 days to generate a large amount of biogas, feeding the biogas into a negative pressure safety controller through a water seal filter tank, feeding the biogas into a cyclone dewatering device, then carrying out sulfur removal through a sulfur removal tank, feeding the biogas into a high pressure controller through a booster pump, feeding the biogas into a pressure stabilizing tank through a pressure gauge, feeding the biogas into a pipeline through a flame arrester, providing clean and drying energy, precipitating the fermented biogas slurry in a precipitation tank, pumping the upper biogas slurry into a liquid stirring tank through a pipeline, adding humic acid, heating and stirring for 1-3 hours, pumping the biogas slurry into a spray drying tower, heating the biogas combustor, using a hot air blower, feeding hot air into a spray tower, carrying out spray instantaneous drying on the biogas slurry into powder, feeding the powder into a double-spiral dust remover through a draught fan, collecting the finished product, and feeding the powder into a water dust remover to treat tail gas.
Description
Technical Field
The invention relates to the technical field of livestock and poultry manure treatment, in particular to a high-efficiency livestock and poultry manure treatment system for a farm.
Background
The livestock excrement and the pollution to the surrounding environment caused by a large amount of hydrogen sulfide, alcohols, phenols and aminobenzene generated by the decomposition of the livestock excrement and a large amount of pathogenic bacteria and the like mainly cause water pollution, water eutrophication and disease transmission.
In the early traditional animal husbandry production, individual farms are mainly fed, the number of individual farms is small, the produced manure is relatively small, and the period reaches the middle 80 th of the last century, on one hand, due to the constraint of natural resources in China, the development of animal product production can only be realized through the intensified use of the resources, the intensive and centralized trend of animal husbandry production appears, the large-scale animal husbandry is encouraged as an important way for adjusting the industrial structure and increasing the income of farmers in some places, a batch of intensive or factory animal farm appears in part of large cities and suburbs, the scale of animal husbandry is increased by twenty years, the production intensive degree is increased and is increasingly disjointed with the planting industry, but the produced animal manure is not consumed in enough land within a certain space-time range for the past years by the farmers, and the environmental problem is polluted, so the high-efficiency animal manure treatment system is provided for the farm to solve the problem.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a high-efficiency livestock and poultry manure treatment system for a farm, which has the advantages of recycling, drying and concentrating by utilizing the self energy of manure, saving transportation cost, not polluting the environment, having high nutrient content and the like, and solves the problem of environmental pollution.
(II) technical scheme
In order to realize the purposes of recycling, drying and concentrating by utilizing the self energy of the excrement, saving the transportation cost, not polluting the environment and having high nutrient content, the invention provides the following technical scheme: a high-efficiency livestock and poultry manure treatment system for a farm comprises the following steps:
1) Pumping the excrement of the excrement suction vehicle into a sealed storage tank through a pipeline, and carrying out anaerobic fermentation for 60-80 days to generate a large amount of biogas;
2) The biogas water seal filter tank enters a negative pressure safety controller, enters cyclone water removal equipment, then passes through a sulfur removal tank for sulfur removal, enters a high-pressure controller through a booster pump, enters a pressure stabilizing tank through a pressure gauge, and then enters a pipeline through a flame arrester for conveying to a biogas burner, so that clean drying energy is provided;
3) Precipitating fermented biogas slurry in a precipitation tank, pumping the upper layer biogas slurry into a liquid stirring tank through a pipeline, adding humic acid, heating and stirring for 1-3 hours, pumping into a spray drying tower, heating the spray drying tower by adopting a biogas burner, sending hot air into a spraying tower by using a hot air machine, spraying the biogas slurry and instantly drying into powder, sending the powder into a double-spiral dust remover through a draught fan to collect a finished product, and sending the hot air into a water foam dust remover to treat tail gas;
4) Directly pumping turbid biogas slurry and biogas residues in a precipitation tank into biogas residue treatment equipment through a diaphragm pneumatic pump, adding dry matter auxiliary materials, stirring and conveying the mixed materials to a first conveyor through a stirrer to be crushed by a first crusher, conveying the crushed materials to a granulator to granulate the crushed materials, enabling the granulator to form particles with the size of 1-5 cm, conveying the particles to a first dryer, drying the particles by a biogas burner, drying hot air by a dryer to dry 30% of water in the excrement, conveying waste heat at the tail end of the dryer to a dust removal chamber through cyclone dust removal, conveying the waste heat at the lower part of an underground hot air duct to the excrement storage tank, heating the excrement tank through the waste heat, and finally removing dust by a water shower tower and discharging the waste heat;
5) The baked particles are conveyed to a first cooler for air cooling, cold air is cooled to remove 10% of water through the cooler, then the cold air is introduced into a dust removal chamber, then the dust is removed through a water spray tower and discharged through a cold air pipeline, the air is cooled and conveyed to a first screening machine, irregular particles are conveyed back to a second crushing machine for crushing and then conveyed to a first conveyor, particles with the size of 2-4 cm are screened, the particles are conveyed to a second screening machine for screening into particles with the size of 3 cm, and other irregular particles are conveyed back to the first conveyor;
6) 3 cm particles are conveyed to a second dryer, a biogas burner is used for drying, hot air is used for drying 20% of moisture of the excrement through the dryer, waste heat at the tail end of the dryer is subjected to cyclone dust removal through a fan and then is conveyed into a dust removal chamber, then the dust removal chamber enters a hot air duct to be conveyed to the lower part of an excrement sealing storage tank, the waste heat is used for continuously heating the storage tank, and finally a water shower tower is used for removing dust and then discharging;
7) And after drying, conveying the powder to a second cooler for air cooling, enabling cold air to be subjected to air cooling by the cooler for removing water by 10%, introducing the cold air into a dust removal chamber, conveying the cold air into a cold air pipeline for water spraying and dust removal, discharging, conveying the cooled particles to a third sieving machine for sieving the powder, returning the powder to the first conveyor, and enabling the particles to enter packaging equipment.
Preferably, the biogas produced by the sealed tank in the step 2 enters a water seal tank for water filtration, then enters a water removal tank through a flame arrester, then enters a sulfur removal tank, then enters a pressure stabilizing tank through a booster pump, enters the flame arrester through a valve, and then is connected to a combustor through a gas pipeline for burning and drying the excrement.
Preferably, the power of the air heater in the step 3 is 3 kilowatts, and the temperature of the hot air sent into the spray tower is 180-220 ℃.
Preferably, the hot air temperature of the biogas burner in the step 4 is 280-320 ℃.
Drawings
FIG. 1 is a process flow diagram of the present invention.
(III) beneficial effects
Compared with the prior art, the invention provides a high-efficiency livestock and poultry manure treatment system for a farm, which has the following beneficial effects:
1. the high-efficiency livestock and poultry manure treatment system for the farm runs through various devices, utilizes the self energy of manure to circularly dry and concentrate, saves the transportation cost, does not pollute the environment, and has high nutrient content.
2. This plant is with high-efficient beasts and birds excrement processing system carries out anaerobic fermentation through the dirty sealed holding vessel of excrement to realize the dirty marsh gas tank ground warms up circulation mode of excrement, the high-efficient operation all the year round, and is outdoor free from stink, do not fall to the ground, and natural pond liquid and natural pond sediment directly get into production facility through pump and pipeline, with self-produced marsh gas as fuel, add 40% -60% dry matter auxiliary material respectively, dry natural pond sediment and natural pond liquid through drying equipment stoving natural pond sediment and natural pond liquid, realize dirty ecological cycle of excrement.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
1) Pumping the excrement of the excrement suction vehicle into a sealed storage tank through a pipeline, and carrying out anaerobic fermentation for more than 60 days to generate a large amount of biogas;
2) The biogas water seal filter tank enters a negative pressure safety controller, enters cyclone water removal equipment, then passes through a sulfur removal tank for sulfur removal, enters a high-pressure controller through a booster pump, enters a pressure stabilizing tank through a pressure gauge, and then enters a pipeline through a flame arrester for conveying to a biogas burner, so that clean drying energy is provided;
3) Precipitating fermented biogas slurry in a precipitation tank, pumping the upper layer biogas slurry into a liquid stirring tank through a pipeline, adding humic acid, heating, stirring for 2 hours, pumping into a spray drying tower, heating the spray drying tower by adopting a biogas burner, sending hot air of 200 ℃ into the spray drying tower by using a hot air blower of 3 kilowatts, spraying the biogas slurry, instantly drying the hot air into powder, sending the powder into a double-screw dust collector through a draught fan, collecting the finished product, and sending the hot air into a water foam dust collector to treat tail gas;
4) The turbid biogas slurry and biogas residues in the precipitation tank are directly pumped into biogas residue treatment equipment through a diaphragm pneumatic pump, dry matter auxiliary materials are added, the mixed materials are conveyed to a first conveyor through a stirrer to be crushed by a first crusher and then conveyed to a granulator to be granulated, the granulator forms 1-5 cm particles, the particles are conveyed to a first dryer, the dryer is dried by a biogas burner with the temperature of 300 ℃, hot air is used for drying 30% of water in the excrement through the dryer, waste heat at the tail end of the dryer is conveyed to a dust removal chamber through cyclone dust removal, the hot air enters an underground hot air duct to be conveyed to the lower part of an excrement storage tank to heat the excrement tank through waste heat, and finally the waste heat is discharged after dust removal through a water shower tower;
5) The baked particles are conveyed to a first cooler for air cooling, cold air is cooled to remove 10% of water through the cooler, then the cold air is introduced into a dust removal chamber, then the dust is removed through a water spray tower and discharged through a cold air pipeline, the air is cooled and conveyed to a first screening machine, irregular particles are conveyed back to a second crushing machine for crushing and then conveyed to a first conveyor, particles with the size of 2-4 cm are screened, the particles are conveyed to a second screening machine for screening into particles with the size of 3 cm, and other irregular particles are conveyed back to the first conveyor;
6) 3 cm particles are conveyed to a second dryer, a methane combustion machine with the temperature of 300 ℃ is used for drying, hot air is used for drying 20% of moisture of the excrement through the dryer, waste heat at the tail end of the dryer is subjected to cyclone dust removal through a fan and then is conveyed into a dust removal chamber, then the waste heat enters a hot air flue and is conveyed to the lower part of an excrement sealing storage tank, the waste heat is used for continuously heating the storage tank, and finally a water shower tower is used for removing dust and then discharging;
7) And after drying, conveying the powder to a second cooler for air cooling, enabling cold air to be subjected to air cooling through the cooler for removing water by 10%, introducing an air cooler into a dust chamber, conveying the powder to a cold air pipeline for water spraying and dust removal, discharging, conveying the cooled particles to a third sieving machine for sieving the powder, returning the powder to the first conveyor, and enabling the particles to enter packaging equipment.
Biogas produced by the sealed tank enters the water seal tank for water filtration, then enters the dewatering tank through the flame arrester, then enters the sulfur removal tank, then enters the pressure stabilizing tank through the booster pump, enters the flame arrester through the valve, and then is connected to the combustor through the gas pipeline for burning and drying the excrement.
The beneficial effects of the invention are as follows: the high-efficiency livestock and poultry manure treatment system for the farm is operated by various devices, and the manure is circularly dried and concentrated by utilizing the self energy of the manure, so that the transportation cost is saved, the environment is not polluted, and the nutrient content is high; the method is characterized in that a fecal sewage sealed storage tank is used for anaerobic fermentation, a floor heating circulation mode of the fecal sewage biogas tank is realized, the device runs efficiently all the year round, no open air, no odor and no floor are generated, biogas slurry and biogas residues directly enter production equipment through pumps and pipelines, 40% -60% of dry matter auxiliary materials are respectively added by using self-produced biogas as fuel, and the biogas residues and the biogas slurry are dried through equipment integration innovation, so that the fecal sewage ecological circulation is realized.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The efficient livestock and poultry manure treatment system for the farm is characterized by comprising the following steps of:
1) Pumping the excrement of the excrement suction vehicle into a sealed storage tank through a pipeline, and carrying out anaerobic fermentation for 60-80 days to generate a large amount of biogas;
2) The biogas water seal filter tank enters a negative pressure safety controller, enters cyclone water removal equipment, then passes through a sulfur removal tank for sulfur removal, enters a high-pressure controller through a booster pump, enters a pressure stabilizing tank through a pressure gauge, and then enters a pipeline through a flame arrester for conveying to a biogas burner, so that clean drying energy is provided;
3) Precipitating fermented biogas slurry in a precipitation tank, pumping the upper layer biogas slurry into a liquid stirring tank through a pipeline, adding humic acid, heating and stirring for 1-3 hours, pumping into a spray drying tower, heating the spray drying tower by adopting a biogas burner, sending hot air into a spraying tower by using a hot air machine, spraying the biogas slurry and instantly drying into powder, sending the powder into a double-spiral dust remover through a draught fan to collect a finished product, and sending the hot air into a water foam dust remover to treat tail gas;
4) The turbid biogas slurry and biogas residues in the precipitation tank are directly pumped into biogas residue treatment equipment through a diaphragm pneumatic pump, dry matter auxiliary materials are added, the mixed materials are conveyed to a first conveyor through a stirrer to be crushed by a first crusher and then conveyed to a granulator to be granulated, the granulator forms 1-5 cm particles, the particles are conveyed to a first dryer, the dryer is dried through a biogas burner, hot air enters the dryer to dry 30% of water in the excrement, waste heat at the tail end of the dryer is conveyed to a dust removal chamber through cyclone dust removal, the hot air enters an underground hot air duct to be conveyed to the lower part of the excrement storage tank to heat the excrement tank through the waste heat, and finally the excrement is discharged after dust removal through a water shower tower;
5) The baked particles are conveyed to a first cooler for air cooling, cold air is cooled to remove 10% of water through the cooler, then the cold air is introduced into a dust removal chamber, then the dust is removed through a water spray tower and discharged through a cold air pipeline, the air is cooled and conveyed to a first screening machine, irregular particles are conveyed back to a second crushing machine for crushing and then conveyed to a first conveyor, particles with the size of 2-4 cm are screened, the particles are conveyed to a second screening machine for screening into particles with the size of 3 cm, and other irregular particles are conveyed back to the first conveyor;
6) 3 cm particles are conveyed to a second dryer, a biogas burner is used for drying, hot air is used for drying 20% of moisture of the excrement through the dryer, the waste heat at the tail end of the dryer is subjected to cyclone dust removal by a fan and then is conveyed into a dust removal chamber, then the dust removal chamber enters a hot air duct to be conveyed to the lower part of an excrement sealing storage tank, the waste heat is used for continuously heating the storage tank, and finally a water shower tower is used for dust removal and then is discharged;
7) And after drying, conveying the powder to a second cooler for air cooling, enabling cold air to be subjected to air cooling through the cooler for removing water by 10%, leading the cooler into a dust removal chamber, conveying the powder to a cold air pipeline for water spraying and dust removal, discharging, conveying the cooled particles to a third sieving machine for sieving the powder, returning the powder to the first conveyor, and enabling the particles to enter packaging equipment.
2. The efficient livestock and poultry manure treatment system for the farm according to claim 1, wherein the biogas produced by the sealed storage tank in the step 2 is filtered by water in the water-sealed tank, then enters the dewatering tank through the flame arrester, then enters the sulfur removal tank, then enters the pressure stabilizing tank through the booster pump, enters the flame arrester through the valve, and then is connected to the combustion machine through the gas pipeline to burn and dry the manure.
3. The efficient livestock and poultry manure treatment system for a farm according to claim 1, wherein the power of the air heater in the step 3 is 3 kw, and the temperature of the hot air sent to the spray tower is 180-220 ℃.
4. The efficient livestock and poultry manure treatment system for a farm according to claim 1, wherein the hot air temperature of the biogas burner in the step 4 is 280-320 ℃.
5. The efficient fecal sewage treatment system for farms according to claim 1, wherein the steps 4,5,6 and 7 are to dry 70% of the fecal sewage and remove dust from the tail gas by utilizing the tail end waste heat to heat the fermentation tank.
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-
2021
- 2021-11-30 CN CN202111440295.0A patent/CN114031252B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| CN1465448A (en) * | 2002-07-01 | 2004-01-07 | 张镜汤 | Method for treating and utilizing high concentration human excrement and urine |
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| CN114031252A (en) | 2022-02-11 |
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