CN109161393A - A kind of system and method for feces of livestock and poultry classification charing - Google Patents
A kind of system and method for feces of livestock and poultry classification charing Download PDFInfo
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- CN109161393A CN109161393A CN201811142541.2A CN201811142541A CN109161393A CN 109161393 A CN109161393 A CN 109161393A CN 201811142541 A CN201811142541 A CN 201811142541A CN 109161393 A CN109161393 A CN 109161393A
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- carbonization furnace
- temperature carbonization
- gas
- poultry
- livestock
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- 210000003608 fece Anatomy 0.000 title claims abstract description 96
- 244000144977 poultry Species 0.000 title claims abstract description 94
- 244000144972 livestock Species 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003763 carbonization Methods 0.000 claims abstract description 128
- 239000007789 gas Substances 0.000 claims abstract description 69
- 238000000197 pyrolysis Methods 0.000 claims abstract description 53
- 239000003610 charcoal Substances 0.000 claims abstract description 41
- 238000001035 drying Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 42
- 238000000926 separation method Methods 0.000 claims description 41
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 17
- 239000012075 bio-oil Substances 0.000 claims description 12
- 239000010871 livestock manure Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002737 fuel gas Substances 0.000 claims description 8
- 229960004424 carbon dioxide Drugs 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000000567 combustion gas Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 3
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000002515 guano Substances 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 239000002028 Biomass Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000001754 anti-pyretic effect Effects 0.000 abstract description 2
- 239000002221 antipyretic Substances 0.000 abstract description 2
- 239000002918 waste heat Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/02—Multi-step carbonising or coking 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
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/14—Features of low-temperature carbonising processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/16—Features of high-temperature carbonising processes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to abandoned biomass recycling and charcoal technical fields, the invention discloses a kind of system and methods of feces of livestock and poultry classification charing, feces of livestock and poultry is dried using drying oven, low-temperature carbonization furnace and high temperature carbonization furnace and pyrolysis charring is handled, drying oven, low-temperature carbonization furnace and high temperature carbonization furnace are all made of jacket type furnace.The pyrolysis gas that high temperature carbonization furnace generates carries out heat supply, low-temperature carbonization furnace and drying oven to high temperature carbonization furnace after burner combustion and carries out heat supply using high temperature carbonization furnace collet discharge gas waste-heat.The feces of livestock and poultry charcoal of high temperature carbonization furnace output is transported in feces of livestock and poultry charcoal storage tank and stores after heat exchange cooler is cooling, is transported in burner by the hot-air of heat exchange cooler by air-introduced machine and is mixed and burned with pyrolysis gas.The system improves antipyretic gas calorific value by classification charing, is carbonization device heating using the thermal energy that pyrolysis gas burning generates, realizes abandoned biomass resource circulation utilization, economic benefit is obvious.
Description
Technical field
The present invention relates to abandoned biomass recycling and charcoal technical fields, and in particular to a kind of feces of livestock and poultry classification charcoal
The system and method for change.
Background technique
Charcoal pyrolytic technique is to be heat-treated biological material under the conditions of anaerobic or anoxic and temperature are lower than 700 DEG C,
Generate the charcoal product of high added value.Just causing that people's is extensive using feces of livestock and poultry as the research that raw material prepares charcoal at present
Concern.Feces of livestock and poultry is converted charcoal by pyrolytic technique, has high temperature sterilization, reduces faecal volume, produces biomass energy, system
The advantage of standby biomass carbon fertilizer is the effective way of a feces of livestock and poultry treatment and use with environment and economical effects.
In agricultural production, application feces of livestock and poultry charcoal can reduce Soil Nutrient Leaching, promote soil fertility and improve acid soil
PH, while feces of livestock and poultry charcoal has stronger absorption property to organic pollutant and inorganic pollution, can be used as soil improvement
Agent reduces the biological effectiveness of organic or inorganic pollutant in soil.
Biomass carbonated furnace apparatus include kiln formula thermal decomposition coke oven and fixed-bed type retort, wherein kiln formula retort due to
Need the fuel such as burning coal to be heated, temperature is not easy to control, and the pyrolysis gas generated in carbonization process can only discharge, operation at
This height causes the waste of the energy.Fixed-bed type retort have the advantages that temperature-controlled precision it is high, it is easy to operate, charcoal rate it is high, tool
Have broad application prospects.Fixed-bed type retort is carbonized using the gas fuel burning generated in pyrolytic process to fixed-bed type
Stove heating not only can solve pollution problem of the pyrolysis gas to environment, but also can solve heating problems needed for carbonization device.
However, lacking the device carbonized specifically for feces of livestock and poultry and equipment at present, the treatment for cow manure of livestock and poultry farm is
As a great problem.Containing compared with juicy in feces of livestock and poultry, except generating the fuel gas such as methane, carbon monoxide in pyrolytic process
Outside, non-flammable compressive gas carbon dioxide and vapor can be also generated, causes pyrolysis gas calorific value low, leads to the heating efficiency to retort
It is low.It is accordingly required in particular to which feces of livestock and poultry classification carbonization system and method, have solved the deficiencies in the prior art.
Summary of the invention
The present invention for the defects in the prior art, provides a kind of system and method for feces of livestock and poultry classification charing, with solution
The problem that certainly pyrolysis gas calorific value is low, the disposition of livestock and poultry farm night soil-treatment is difficult.
A kind of system of feces of livestock and poultry classification charing, comprising: the drying oven that is set gradually along the conveying direction of feces of livestock and poultry,
Low-temperature carbonization furnace, high temperature carbonization furnace, heat exchange cooler and charcoal storage tank；
The drying oven is equipped with feces of livestock and poultry import, and the drying oven is additionally provided with steam outlet, which goes out
Mouth is connected with the first gas-liquid separation device, and first gas-liquid separation device is equipped with condensation-water drain (for exporting condensed water
And waste liquid) and waste gas outlet, the condensation-water drain be connected with biofilter, which is connected with bio-trickling filter；
The low-temperature carbonization furnace is equipped with pyrolysis gas outlet, and the pyrolysis gas outlet of the low-temperature carbonization furnace is connected with second
Gas-liquid separation device, second gas-liquid separation device are equipped with pyrolysis oil export and gas outlet, second gas-liquid point
Pyrolysis oil export from device is connected to bio-oil storage tank, and the gas outlet of second gas-liquid separation device is connected with two
The gas outlet of carbonoxide absorption plant, the absorption unit of dioxide carbon is connected with burner；
The high temperature carbonization furnace is equipped with pyrolysis gas outlet, and the pyrolysis gas outlet of the high temperature carbonization furnace is connected with third
Gas-liquid separation device, the third gas-liquid separation device are equipped with pyrolysis oil export and gas outlet, the third gas-liquid point
Pyrolysis oil export from device is connected to bio-oil storage tank, and the gas outlet of the third gas-liquid separation device is connected to institute
Burner is stated, the burner is connect with the high temperature carbonization furnace；
The heat exchange cooler is connect with the high temperature carbonization furnace；
The charcoal storage tank is connect with the heat exchange cooler.
In the present invention, poultry manure is conveyed into drying oven by poultry manure import, utilizes drying oven, low-temperature carbonization furnace and height
Feces of livestock and poultry is dried warm retort and pyrolysis charring processing, and drying oven, low-temperature carbonization furnace and high temperature carbonization furnace are all made of
Jacket type furnace.The pyrolysis gas that low-temperature carbonization furnace and high temperature carbonization furnace generate supplies high temperature carbonization furnace after burner combustion
Heat, drying oven flue gas as derived from low-temperature carbonization furnace collet are heated, low-temperature carbonization furnace flue gas as derived from high temperature carbonization furnace
It is heated.The feces of livestock and poultry charcoal of high temperature carbonization furnace output is transported in feces of livestock and poultry charcoal storage tank after heat exchange cooler is cooling
Storage is transported in burner by air-introduced machine by the hot-air of heat exchange cooler and is mixed and burned with pyrolysis gas.The system passes through
Classification charing improves antipyretic gas calorific value, is carbonization device heating using the thermal energy that pyrolysis gas burning generates, realizes abandoned biomass
Resource circulation utilization, economic benefit are obvious.
Drying oven, low-temperature carbonization furnace and the high temperature carbonization furnace is sequentially communicated along poultry manure conveying direction, the baking
Dry furnace, low-temperature carbonization furnace and high temperature carbonization furnace include that (spiral is arranged in the tube furnace of rotation conveying poultry manure in tube furnace
Conveyer) and the heating jacket of the tube furnace periphery, flue gas derived from the heating jacket of the high temperature carbonization furnace be set
It imported into the heating jacket of the low-temperature carbonization furnace, to low-temperature carbonization stove heating, the heating of the low-temperature carbonization furnace is pressed from both sides
It covers derived flue gas to imported into the heating jacket of the drying oven, drying oven is heated, realize the circulation benefit of the energy
With, so that heating efficiency is improved, raising energy utilization rate.
The drying oven, low-temperature carbonization furnace and high temperature carbonization furnace are made of rotatable tube furnace and heating jacket, furnace
Thorax is connected by the automatic feed auger conveyor with heat insulation function, and drying oven flue gas as derived from low-temperature carbonization furnace collet carries out
Heating, low-temperature carbonization furnace flue gas as derived from high temperature carbonization furnace are heated.
The heat exchange cooler is collet shell and tube cooler, and the feces of livestock and poultry of the collet shell and tube cooler is defeated
Sending the angle of direction and horizontal direction is 30~45 °, and the collet in the collet shell and tube cooler is equipped with air inlet and goes out
Air port, collet is interior for air flowing, and the burner is equipped with air-introduced machine, and the air inlet of the air-introduced machine goes out with the collet
Air port is connected, and the fan out draft is connected with the burner.Feces of livestock and poultry in the collet shell and tube cooler
Conveying direction is opposite with the air-flow direction of heat exchange.The feces of livestock and poultry charcoal of high temperature carbonization furnace output is cooling through heat exchange cooler
Afterwards, be transported in feces of livestock and poultry charcoal storage tank and store, by heat exchange cooler hot-air by air-introduced machine be transported in burner with
Pyrolysis gas is mixed and burned.
The low-temperature carbonization furnace and high temperature carbonization furnace has independent temperature conditioning unit and temperature compensation unit.
The burner is provided with flow controlling unit, is fed back according to the thermometric of low-temperature carbonization furnace and high temperature carbonization furnace,
Adjustment of combustion gas flow realizes accurate temperature controlling.
A kind of method of feces of livestock and poultry classification charing, this method comprises: feces of livestock and poultry is successively defeated by auger conveyor
It send into drying oven, low-temperature carbonization furnace and high temperature carbonization furnace, to separate vapor, non-flammable compressive gas and fuel gas, obtains poultry
The fuel gas of poultry manure charcoal and high heating value improves the heating efficiency to retort.
A kind of method of feces of livestock and poultry classification charing, the system carbonized using feces of livestock and poultry classification are specifically included:
1) feces of livestock and poultry is sequentially inputted to drying oven, low-temperature carbonization using continuous feed mode by auger conveyor
Furnace, high temperature carbonization furnace, heat exchange cooler and charcoal storage tank；
2) the temperature control of drying oven is at 100~200 DEG C, and residence time of the feces of livestock and poultry in drying oven be 60~
120min is separated after the vapor discharge of generation through the first gas-liquid separation device, and condensation aqueous waste solution enters biofilter processing, gives up
Gas enters bio-trickling filter processing, the exhaust gas evacuation after eliminating peculiar smell；
3) the temperature control of low-temperature carbonization furnace is at 200~400 DEG C, and residence time of the feces of livestock and poultry in low-temperature carbonization furnace be
60~120min, for the pyrolysis gas of generation after the separation of the second gas-liquid separation device, pyrolysis oil enters bio-oil storage tank, gas warp
After crossing absorption unit of dioxide carbon purification, purified gas enters burner heat supply；
4) the temperature control of high temperature carbonization furnace is at 400~700 DEG C, and residence time of the feces of livestock and poultry in high temperature carbonization furnace be
60~120min, for the pyrolysis gas of generation after the separation of third gas-liquid separation device, pyrolysis oil enters bio-oil storage tank, combustible gas
Body is transported to burner heat supply；
5) high temperature carbonization furnace is added in the heating jacket for the hot fume input high temperature carbonization furnace that burner combustion generates
Heat, low-temperature carbonization furnace flue gas as derived from the heating jacket of high temperature carbonization furnace are heated, and drying oven is added by low-temperature carbonization furnace
Flue gas derived from thermal jacket is heated,
6) the feces of livestock and poultry charcoal of high temperature carbonization furnace output is transported in feces of livestock and poultry charcoal storage tank after heat exchange cooler is cooling
Storage is transported in burner by air-introduced machine by the hot-air of heat exchange cooler and is mixed and burned with pyrolysis gas.
When the feces of livestock and poultry charcoal of high temperature carbonization furnace output is cooling through heat exchange cooler, feces of livestock and poultry conveying in heat exchange cooler
Direction is opposite with the air-flow direction of heat exchange.
The burner is fed back according to the thermometric of low-temperature carbonization furnace and high temperature carbonization furnace, and adjustment of combustion gas flow is realized accurate
Temperature control.
Compared with prior art, the beneficial effects of the present invention are:
The device is efficiently separated vapor, non-flammable compressive gas and the fuel gas in pyrolysis gas using classification charing method,
The calorific value of the pyrolysis gas for heating burning is significantly improved, the heating efficiency to retort is improved；Make full use of flue gas
Waste heat carries out dehydration and low-temperature carbonization to feces of livestock and poultry, has saved the energy；It is made full use of more than feces of livestock and poultry charcoal using heat exchanger
Heat had not only realized the rapid cooling of feces of livestock and poultry charcoal, but also has realized heat energy recycling.Feces of livestock and poultry charcoal after cooling is transported to close
It is stored in envelope storage tank, entirely prepares and charcoal process is not contacted with the external world out, the curing journey of feces of livestock and poultry charcoal has been effectively ensured
Degree and quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the system of feces of livestock and poultry of the present invention classification charing.
Specific embodiment
With reference to the accompanying drawing, it elaborates to feces of livestock and poultry classification carbonization system.
As shown in Figure 1, for feces of livestock and poultry of the present invention classification carbonize system, comprising: along feces of livestock and poultry conveying direction according to
Drying oven, low-temperature carbonization furnace, high temperature carbonization furnace, heat exchange cooler and the charcoal storage tank of secondary setting；
Drying oven is equipped with feces of livestock and poultry material inlet, and drying oven is additionally provided with steam outlet, which is connected with
First gas-liquid separation device, the first gas-liquid separation device are equipped with condensation-water drain and waste gas outlet, which is connected with
Biofilter, the waste gas outlet are connected with bio-trickling filter；
Low-temperature carbonization furnace, the low-temperature carbonization furnace are equipped with pyrolysis gas outlet, and the pyrolysis gas outlet of low-temperature carbonization furnace connects
There is the second gas-liquid separation device, the second gas-liquid separation device is equipped with pyrolysis oil export and gas outlet, the second gas-liquid separation device
Pyrolysis oil export be connected to the import of bio-oil storage tank, the gas outlet of the second gas-liquid separation device is connected to carbon dioxide
The import of absorption plant, the combustion gas of the gas outlet output of the second gas-liquid separation device, absorbs by absorption unit of dioxide carbon
Burner is transported to after carbon dioxide；
High temperature carbonization furnace is equipped with pyrolysis gas outlet, and the pyrolysis gas outlet of high temperature carbonization furnace is connected with third gas-liquid separation dress
It sets, third gas-liquid separation device is again provided with pyrolysis oil export and gas outlet, the pyrolysis oil export of third gas-liquid separation device
It is connected to bio-oil storage tank, the gas outlet of third gas-liquid separation device is connected with burner, absorption unit of dioxide carbon
Gas outlet is also coupled to burner, and burner is connect with high temperature carbonization furnace；
Heat exchange cooler is connect with high temperature carbonization furnace；
Charcoal storage tank, connect with heat exchange cooler.
Drying oven, low-temperature carbonization furnace and high temperature carbonization furnace are sequentially communicated along poultry manure conveying direction, drying oven, low-temperature carbonization
Furnace and high temperature carbonization furnace include the tube furnace of rotation conveying poultry manure and the heating jacket that tube furnace periphery is arranged in, pyrocarbon
Change flue gas derived from the heating jacket of furnace to imported into the heating jacket of low-temperature carbonization furnace, to low-temperature carbonization stove heating, low temperature charcoal
Change flue gas derived from the heating jacket of furnace to imported into the heating jacket of drying oven, drying oven is heated, to guarantee to mention
High heating efficiency improves energy utilization rate.
Heat exchange cooler is collet shell and tube cooler, the feces of livestock and poultry conveying direction and level of collet shell and tube cooler
The angle in direction is 30~45 °, and 40 ° are selected in embodiment, and the collet in collet shell and tube cooler is equipped with air inlet and air outlet,
For air flowing in collet, burner is equipped with air-introduced machine, and the air inlet of the air-introduced machine is connected with the air outlet of collet, air-introduced machine
Air outlet is connected with burner.The air-flow direction phase of feces of livestock and poultry conveying direction and heat exchange in collet shell and tube cooler
Instead.The feces of livestock and poultry charcoal of high temperature carbonization furnace output is transported in feces of livestock and poultry charcoal storage tank and stores after heat exchange cooler is cooling, passes through
The hot-air for crossing heat exchange cooler is transported in burner by air-introduced machine to be mixed and burned with pyrolysis gas.
Animal dung is pig manure, cow dung, sheep dung or chicken manure.
Low-temperature carbonization furnace and high temperature carbonization furnace have independent temperature conditioning unit and temperature compensation unit.
Burner is provided with flow controlling unit, is fed back according to the thermometric of low-temperature carbonization furnace and high temperature carbonization furnace, adjusts combustion
Throughput realizes accurate temperature controlling.
Feces of livestock and poultry is conveyed in tube furnace by auger conveyor, and auger conveyor uses continuous feed mode,
Feeding quantity being capable of self-setting.
Feces of livestock and poultry is transported to inside drying oven by auger conveyor and is dried, the temperature control of drying oven 100~
200 DEG C, 150 DEG C are selected in embodiment, residence time of the feces of livestock and poultry in drying oven is 60~120min, is selected in embodiment
90min is separated after the vapor discharge of generation through the first gas-liquid separation device, and waste liquid enters biofilter processing, and exhaust gas enters
Bio-trickling filter processing, the exhaust gas evacuation after eliminating peculiar smell.
Feces of livestock and poultry after drying is transported in low-temperature carbonization furnace by auger conveyor carries out low-temperature carbonization, low-temperature carbonization furnace
Temperature control at 200~400 DEG C, in embodiment select 300 DEG C, residence time of the feces of livestock and poultry in low-temperature carbonization furnace be 60
~120min selects 90min in embodiment, and the high pyrolysis gas of the carbon dioxide content of generation is separated through the second gas-liquid separation device
Afterwards, pyrolysis oil enters bio-oil storage tank, and gas is after absorption unit of dioxide carbon purifies, remaining methane and carbon monoxide
Equal fuel gas enter burner heat supply.
It is transported in high temperature carbonization furnace by the feces of livestock and poultry of low-temperature carbonization by auger conveyor and carries out high temperature carbonization, high temperature
The temperature of retort is controlled at 400~700 DEG C, selects 500 DEG C in embodiment, when stop of the feces of livestock and poultry in high temperature carbonization furnace
Between be 60~120min, select 90min in embodiment, the ingredient of generation is mainly the heat of the fuel gas such as carbon monoxide, methane
It vents one's spleen after the separation of third gas-liquid separation device, pyrolysis oil enters bio-oil storage tank, and fuel gas is transported to burner heat supply.
High temperature carbonization furnace is heated in the heating jacket for the hot fume input high temperature carbonization furnace that burner combustion generates,
The heating temperature of each burner hearth is controlled by temperature unit, and the first flue gas of high temperature carbonization furnace collet output enters low-temperature carbonization furnace and baking
Dry furnace carries out UTILIZATION OF VESIDUAL HEAT IN, and the fire box temperature of low-temperature carbonization furnace is controlled by burner and temperature compensation unit, and drying oven adds
It is transported to bio-trickling filter after thermal jacket exiting flue gas is cooling and removes odors emptying, bio-trickling filter input gas temperature is because of control
At 50 DEG C or less.
It is equipped with the feces of livestock and poultry that rotatable tilt angle is 30~45 DEG C in heat exchange cooler and conveys thin-walled collet tubulation,
Sealed storage in charcoal storage tank is transported to through heat exchange cooler feces of livestock and poultry charcoal after cooling.
In the above-described embodiments, preferred forms of the invention are described, it is clear that on the basis of the present invention,
Many changes can still be made, it should illustrate, any change made under design of the invention all will be of the invention
In protection scope.
Claims (9)
1. a kind of system of feces of livestock and poultry classification charing characterized by comprising the conveying direction along feces of livestock and poultry is set gradually
Drying oven, low-temperature carbonization furnace, high temperature carbonization furnace, heat exchange cooler and charcoal storage tank；
The drying oven is equipped with feces of livestock and poultry import, and the drying oven is additionally provided with steam outlet, which connects
It is connected to the first gas-liquid separation device, first gas-liquid separation device is equipped with condensation-water drain and waste gas outlet, the condensed water
Outlet is connected with biofilter, which is connected with bio-trickling filter；
The low-temperature carbonization furnace is equipped with pyrolysis gas outlet, and the pyrolysis gas outlet of the low-temperature carbonization furnace is connected with the second gas-liquid
Separator, second gas-liquid separation device are equipped with pyrolysis oil export and gas outlet, the second gas-liquid separation dress
The pyrolysis oil export set is connected to bio-oil storage tank, and the gas outlet of second gas-liquid separation device is connected with titanium dioxide
The gas outlet of carbon absorption device, the absorption unit of dioxide carbon is connected with burner；
The high temperature carbonization furnace is equipped with pyrolysis gas outlet, and the pyrolysis gas outlet of the high temperature carbonization furnace is connected with third gas-liquid
Separator, the third gas-liquid separation device are equipped with pyrolysis oil export and gas outlet, the third gas-liquid separation dress
The pyrolysis oil export set is connected to bio-oil storage tank, and the gas outlet of the third gas-liquid separation device is connected to the combustion
Burner, the burner are connect with the high temperature carbonization furnace；
The heat exchange cooler is connect with the high temperature carbonization furnace；
The charcoal storage tank is connect with the heat exchange cooler.
2. the system of feces of livestock and poultry according to claim 1 classification charing, which is characterized in that the drying oven, low temperature
Retort and high temperature carbonization furnace include the tube furnace of rotation conveying poultry manure and the heating folder that the tube furnace periphery is arranged in
It covers, flue gas derived from the heating jacket of the high temperature carbonization furnace is imported into the heating jacket of the low-temperature carbonization furnace, institute
Flue gas derived from the heating jacket for the low-temperature carbonization furnace stated is imported into the heating jacket of the drying oven.
3. the system of feces of livestock and poultry classification charing according to claim 2, which is characterized in that the rotation conveys brid guano
Just tube furnace is to be provided with the tube furnace of auger conveyor.
4. the system of feces of livestock and poultry according to claim 1 classification charing, which is characterized in that the heat exchange cooler is
Collet shell and tube cooler, the feces of livestock and poultry conveying direction of the collet shell and tube cooler and the angle of horizontal direction are 30
~45 °, the collet in the collet shell and tube cooler is equipped with air inlet and air outlet, and the burner is equipped with air inducing
Machine, the air inlet of the air-introduced machine are connected with the air outlet of the collet, and the fan out draft is connected with the burner.
5. the system of feces of livestock and poultry according to claim 1 classification charing, which is characterized in that the low-temperature carbonization furnace and
High temperature carbonization furnace has independent temperature conditioning unit and temperature compensation unit.
6. the system of feces of livestock and poultry classification charing according to claim 1, which is characterized in that the burner is provided with
Flow controlling unit.
7. a kind of method of feces of livestock and poultry classification charing, using the described in any item feces of livestock and poultry classification charings of claim 1~6
System, which is characterized in that specifically include:
1) feces of livestock and poultry is sequentially inputted to drying oven, low-temperature carbonization furnace, height using continuous feed mode by auger conveyor
Warm retort, heat exchange cooler and charcoal storage tank；
2) at 100~200 DEG C, residence time of the feces of livestock and poultry in drying oven is 60~120min for the temperature control of drying oven,
It is separated after the vapor discharge of generation through the first gas-liquid separation device, condensation aqueous waste solution enters biofilter processing, and exhaust gas enters
Bio-trickling filter processing, the exhaust gas evacuation after eliminating peculiar smell；
3) the temperature control of low-temperature carbonization furnace is at 200~400 DEG C, and residence time of the feces of livestock and poultry in low-temperature carbonization furnace be 60~
120min, for the pyrolysis gas of generation after the separation of the second gas-liquid separation device, pyrolysis oil enters bio-oil storage tank, and gas passes through two
After the purification of carbonoxide absorption plant, purified gas enters burner heat supply；
4) the temperature control of high temperature carbonization furnace is at 400~700 DEG C, and residence time of the feces of livestock and poultry in high temperature carbonization furnace be 60~
120min, the pyrolysis gas of generation is after the separation of third gas-liquid separation device, and pyrolysis oil enters bio-oil storage tank, and fuel gas is defeated
It is sent to burner heat supply；
5) high temperature carbonization furnace is heated in the heating jacket for the hot fume input high temperature carbonization furnace that burner combustion generates, it is low
Warm retort flue gas as derived from the heating jacket of high temperature carbonization furnace is heated, drying oven by low-temperature carbonization furnace heating jacket
Derived flue gas is heated；
6) the feces of livestock and poultry charcoal of high temperature carbonization furnace output is transported in feces of livestock and poultry charcoal storage tank and stores up after heat exchange cooler is cooling
It deposits, is transported in burner by the hot-air of heat exchange cooler by air-introduced machine and is mixed and burned with pyrolysis gas.
8. the method for feces of livestock and poultry classification charing according to claim 7, which is characterized in that the poultry of high temperature carbonization furnace output
When poultry manure charcoal is cooling through heat exchange cooler, the air-flow direction of feces of livestock and poultry conveying direction and heat exchange in heat exchange cooler
On the contrary.
9. the method for feces of livestock and poultry classification charing according to claim 7, which is characterized in that the burner is according to low
Warm retort and the thermometric of high temperature carbonization furnace feedback, adjustment of combustion gas flow realize accurate temperature controlling.
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| CN109897658A (en) * | 2019-04-12 | 2019-06-18 | 成都益海环保技术研究院(有限合伙) | A kind of device using cow dung production steel carbon |
| CN110078350A (en) * | 2019-06-03 | 2019-08-02 | 北京云水浩瑞环境科技有限公司 | Sludge joint disposal system and method |
| CN110616077A (en) * | 2019-10-18 | 2019-12-27 | 南京理工大学 | Method and device for preparing high-yield coke by combined baking-carbonization |
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