CN110229707A - A kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process - Google Patents

A kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process Download PDF

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Publication number
CN110229707A
CN110229707A CN201910675623.1A CN201910675623A CN110229707A CN 110229707 A CN110229707 A CN 110229707A CN 201910675623 A CN201910675623 A CN 201910675623A CN 110229707 A CN110229707 A CN 110229707A
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gas
low temperature
temperature pyrogenation
granular fuel
outlet
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祖柏实
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祖柏实
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10CWORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C5/00Production of pyroligneous acid distillation of wood, dry distillation of organic waste
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L5/00Solid fuels
    • C10L5/40Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/445Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/02Combustion or pyrolysis
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/04Gasification
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The present invention discloses a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process, and device structure includes gasification burner, raw material chopper, raw material rotary flow desiccator, cyclone dust collectors, gas-liquid separator, catalytic adsorption clarifier, combustion gas air-introduced machine, water seal water-washing cleaning cartridge, ejector, regulating valve, air blower, double-layer spiral roller low temperature pyrogenation furnace, granular fuel machine.The furnace gases that gasify when work and double-layer spiral roller low temperature pyrogenation furnace gases enter heating jacket, raw material dehydration is dry, vapor enters gasification furnace pyrolysis chamber and carries out catalytic pyrolysis, gas, which enters gas-liquid separator separates, after heat exchange can coagulate biological vinegar liquid, and gas is mixed with air later burns into temp.-controlled gas stove head;Raw material enters the preheating of internal layer helix drum, then is pyrolyzed through outer layer helix drum, enters cuber later and carries out briquetting, the present invention is energy-efficient, and tail gas is up to standard, and low temperature pyrogenation granular fuel ash after incineration is few, and the biomass vinegar liquid of generation is without tar.

Description

A kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process
Technical field
The present invention relates to Biomass Energy Utilization technical fields, more particularly to a kind of agriculture and forestry organic waste material low temperature pyrogenation high fever It is worth granular fuel production equipment and process.
Background technique
Growing with world energy sources demand, the fossil fuel as energy main source is but rapidly reduced.It is raw Substance can be that solar energy is stored in one of biology form of energy in the form of chemical energy, be a kind of unique reproducible carbon source, Conventional gaseous state, liquid and solid fuel can be converted to.Since biomass has, moisture content is high, hydrophily is strong, energy density It is low, be not easy to store, the dispersion of the season sexual intercourse of yield and the place of production the features such as, be not suitable for extensive utilize.How low product are made The biomass energy of position is converted into the energy of high-quality, the emphasis just studied at people.Biomass pyrolytic is by biomass pyrolytic It is converted into fuel gas, has the advantages that energy transformation ratio height, convenient for conveying, being easy to industrialized utilization, but cause in conversion process It is difficult to avoid that the presence of macromolecular tar in gaseous product.The waste that not only will cause the energy also would seriously pollute the environment harm Process equipment.
Summary of the invention
The object of the present invention is to provide a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process, To solve the above-mentioned problems of the prior art, keep energy utilization rate high, equipment damage is small.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment, including gasification furnace, former Expect pulverizer, raw material rotary flow desiccator, the second cyclone dust collectors, gas-liquid separator, adsorption cleaning device, combustion gas air-introduced machine, washing Clarifier, ejector, regulating valve, air blower, double-layer spiral roller low temperature pyrogenation furnace, granular fuel cuber composition.Gasification furnace Top screw feeder, middle part be equipped with pyrolysis chamber, outside be equipped with insulating layer, lower part be equipped with fire grate, lower part be additionally provided with dust collection chamber and Spiral soot blower, the outlet of gasification furnace second gas are connected by pipeline with the first gas import of the first cyclone dust collectors, and first Cyclone dust collectors lower part is equipped with the first water seal pressure releasing device, and the first water seal pressure releasing device upper right is equipped with first check-valve, and lower part is set Have the first blowdown valve, the outlet of the first cyclone dust collectors top first gas by pipeline through second gas regulating valve and mixer and Heating jacket second gas import is connected, and the 6th gas vent of double-layer spiral roller low temperature pyrogenation furnace passes through pipeline and the second rotation Wind deduster third gas import is connected, the 4th gas vent of the second cyclone dust collectors through first gas regulating valve and mixer and Heating jacket second gas import is connected, and the second cyclone dust collectors lower part is equipped with the second water seal pressure releasing device, the second water seal pressure releasing device Upper right is equipped with second check-valve, and lower part is equipped with the second blowdown valve, raw material chopper and raw material cyclone dryer material inlet It is connected, raw material rotary flow desiccator top steam outlet is connected by vapor regulating valve with pyrolysis chamber's vapor import, is heated The outlet of collet third gas is connected with the 4th gas feed of gas-liquid separator, the 5th gas vent of gas-liquid separator and catalytic adsorption First fuel gas inlet of clarifier is connected, and the first gas outlet is connected with combustion gas air-introduced machine import, outlet and water seal water washing cleaning Second fuel gas inlet of device is connected, and the second gas outlet is through the threeway combustion gas suction inlet phase with third check-valves and ejector respectively Even, third check-valves end is connected with torch, and the third gas outlet of ejector is connected by pipeline with each temp.-controlled gas stove head, Water seal water-washing cleaning cartridge bottom is additionally provided with third blowdown valve, and cyclone dryer bottom discharge device is added by feed hopper and flat spin Glassware is communicated with the internal layer helix drum of double-layer spiral roller low temperature pyrogenation furnace, and double-layer spiral roller low temperature pyrogenation furnace is fixed on branch On frame;Internal layer helix drum is communicated with outer layer helix drum again, outer layer helix drum and the rotatory sealing of low temperature pyrogenation material outlet Interlocking, low temperature pyrogenation material outlet, which is set to, to be sealed on material mouth bracket, and right side is equipped with rolling ring bracket outside outer layer helix drum, Double-layer spiral roller low temperature pyrogenation furnace right end is equipped with sliding temperature sensor, and double-layer spiral roller low temperature pyrogenation furnace exterior is equipped with combustion Room is burnt, rolling ring bracket lower part is equipped with driven roller, and lower part is equipped with driving gear, and driving gear is set on gear ring support, left side It is connected with decelerating motor, low temperature pyrogenation material outlet is connected through screw conveyor with granular fuel cuber, granular fuel cuber Bottom discharge port is equipped with granular fuel conveyer belt, and each combustion chamber top is designed with exhaust pipe, with a vent gas catalytic cleaner left side Side-inlet is connected, and right side is equipped with gas outlet, and gas-liquid separator upper left-hand is equipped with cooling water outlet, is equipped with cooling on the right side of lower part Water inlet bottom is connected with biological vinegar liquid receiving tank, and biological vinegar liquid receives pot bottom and is equipped with delivery valve.
Optionally, updraft type, downdraft and horizontal draft, pyrolysis chamber at the steam inlet can be selected in the gasification furnace Interior setting steam distributor, it is dolomite, lime stone or olivine that the catalyst being arranged in the pyrolysis chamber, which is natural crystal, The vapor is entered by vapor regulating valve control flow through vapor import sufficiently mixed with fuel gas in pyrolysis chamber It closes, can make hydrocarbon that cracking reaction occur under the action of catalyst and generate H2And CO, CO can be made2Reduction reaction reduction occurs At H2And cracking reaction synthesis H occurs for CO, the tar that fuel gas can be made to carry secretly2And CH4, entire reaction process vapor flow Control is in 0.2-2m3/ h, reaction temperature are 800-1000 DEG C, and biological carbon conversion efficiency reaches 98%, and fuel gas tar contains Amount is in 5-8mg/m3, fuel gas H2, CO and CH4Component content respectively reach 30-33%, 25-28% and 2-5%, combustible gas Volumetric combustion calorific value reaches 11000-15000KJ/kg.The conversion efficiency of biological carbon reaches 98%, its raw material of the gasification furnace For the organic matters such as agriculture and forestry organic waste material and house refuse, partial size 0.5-50mm, the pyrolysis chamber is equipped with lighting-up tuyere 3-18, directly Diameter 10-100mm, is designed with closed cover, can be lighted a fire with gas gun, it is also possible to which electrical bar igniting, the fire grate, which is equipped with, to slow down Motor timing constant speed intelligent control ash discharge.
Optionally, the pulverizer raw material be agriculture and forestry organic waste material, powder particle diameter 0.5-10mm,
Optionally, raw material rotary flow desiccator internal diameter 200-2000mm, the high 2000-8000mm of cylinder, equipped with destaticing Device, heating jacket 306 internal diameter 300-3000mm, the high 1800-7800mm of cylinder, between steam outlet and vapor regulating valve Insulating layer will be arranged in settable filter or cyclone dust collectors, raw material cyclone dryer and heating jacket and corresponding pipeline, The mixer internal diameter 100-1000mm, the high 500-1000mm of cylinder.
Optionally, the settable water-cooled of the gas-liquid separator, air-cooled, vaporation-type and water spray type, structure can be Shell and tube, coiled and board-like, setting heat exchange area are 1-100m2, settable two tanks of the biological vinegar liquid receiving tank are logical The connection switching of piping valve is used alternatingly, and the biological vinegar liquid that the biological vinegar liquid receiving tank is separated is without tar Pure-natural biological vinegar liquid.
Optionally, filling ore catalyst and acticarbon in the catalytic adsorption clarifier.
Optionally, the water seal water-washing cleaning cartridge is equipped in the biological vinegar liquid after gas distributor is dipped in allotment.
Optionally, the third gas outlet of the ejector is equipped with fire retardant device.
Optionally, double-layer spiral roller low temperature pyrogenation furnace outer layer helix drum the diameter 500-5000mm, long 3000- 10000mm, internal layer helix drum diameter 300-3000mm, long 3000-10000mm, the double-layer spiral roller low temperature pyrogenation Furnace may be alternatively provided as three layers or multilayer, and all inner parts are made of special high temperature-resistant precious metal steel, sturdy and durable, constant Shape does not aoxidize, good heat insulating, setting UV photodissociation catalyst converter, plasma purifier and work in the vent gas catalytic cleaner Property carbon purifying device is, it can be achieved that CO2And SO2Zero-emission, NOxMicro discharge, smoke discharge amount are lower than 46mg/m3, the double-deck spiral shell The settable gas heating of rotating drum low temperature pyrogenation furnace or electric heating, the sliding temperature sensor can be respectively in internal layer spiral rolls Cylinder and the setting of outer layer helix drum, every layer of settable 3-6 temperature sensor, temperature controlling range is 250-350 DEG C, described The powder granule fuel partial size that low temperature pyrogenation material outlet comes out is 0.2-10mm, and appearance is sepia, bulk density 30-50kg/m3, Combustion heat value can directly do powder fuel burning up to 4300-4800kca/kg, and the 6th gas vent is low temperature pyrogenation Separate without tar mixed gas, temperature is 250-350 DEG C.
Optionally, the settable cylindric cuber of the granular fuel cuber, finished particle diameter are 0.5-50mm, Long 10-100mm, may also set up polygonal column cuber, and finished particle sectional area is 400-600mm2, long 10-100mm, appearance Weight 800-1300kg/m3, combustion heat value is up to 4500-5000kca/kg.
A kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production is also disclosed on the basis of above equipment in the present invention Technique includes the following steps:
Step 1;Start screw feeder, agriculture and forestry organic waste material is put into gasification furnace, opens combustion gas air-introduced machine and air blast Machine makes gas export out after the first cyclone dust collectors dedusting by gasification furnace second gas, and it is dry to enter eddy flow by mixer Dry device heating jacket enters gas-liquid separator through third gas outlet, carries out gas-liquid separation and collects biological vinegar liquid;
Step 2;Gas after separation enters catalytic adsorption clarifier through the 5th gas vent, carries out catalysis reaction and suction Attached purification, purified gas enter water seal water-washing cleaning cartridge through combustion gas air-introduced machine, carry out biological vinegar liquid washing, purifying, adjust and adjust Section valve mixes with air combustion gas through ejector and enters temperature-control gas burner by steam line;
Step 3;It opens automatic ignitor and lights fuel gas combustion heat supplying in the combustion chamber;Open double-layer spiral roller Low temperature pyrogenation furnace, decelerating motor rotate double-layer spiral roller low temperature pyrogenation furnace at the uniform velocity, observe temperature control instrument, work as outer layer When helix drum temperature reaches set temperature, pulverizer is opened, is passed through in pipeline to rotary flow desiccator after raw material is crushed, Material after drying is flowed out through discharger, into feed hopper, is at the uniform velocity entered in internal layer helix drum through flat spin feeder, Under spiral rotating pushes, temperature of charge gradually rises to 200 DEG C or more and is preheated, and preheating time is 8-10 minutes, after preheating Material fallen into outer layer helix drum by right-side outlet continue heating and it is constant be pyrolyzed 200-350 DEG C, pyrolysis time is 8-10 minutes, material went out through being pyrolyzed material outlet stream after pyrolysis, send through screw conveyor to granular fuel cuber and is suppressed Granular fuel, the granular fuel of compression moulding fall on conveyer belt it is screened, cooling after be product.
The present invention achieves following technical effect compared with the existing technology:
Agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment structure provided by the invention is simple, operation side It just, is the furnace heat supply of double-layer spiral roller low temperature pyrogenation, i.e. waste utilization, and reduction operation using agriculture and forestry organic waste material pyrolytic gasification Cost, cost reduce by 85% or more;Using waste heat dry feedstock, that is, being able to achieve heat exchange reduces fuel gas temperature, and energy Thermal energy is made full use of to reduce operating cost, cost reduces by 100%;Promote fuel gas conversion ratio using vapor catalyzed technology, turns Rate is up to 98%;Using low temperature pyrogenation technology, temperature control is 250-350 DEG C, and soluble saccharide and hemicellulose are cracked Gasification condensation prepares biological vinegar liquid, i.e., without dioxin and sulfur dioxide output, byproduct of getting back;Residual fiber element and lignin Pyrolysis carbonization, can make powder fuel and directly burn utilization, and can be pressed into granular fuel, calorific value is higher than raw coal, after burning Without tar, dioxin and sulfur dioxide output;Intelligent control, it is easy to operate;Structure smoothness is, it can be achieved that continuous production.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment structural schematic diagram of the present invention;
In figure: 1, gasification furnace, 101, screw feeder, 102, pyrolysis chamber, 103, first gas outlet, 104, second gas Outlet, 105, first gas import, the 106, first cyclone dust collectors, 107, insulating layer, 108, vapor import, 109, vapor Regulating valve, 110, first check-valve, the 111, first water seal pressure releasing device, 112, fire grate, 113, dust collection chamber, the 114, first blowdown valve, 115, spiral soot blower, 2, pulverizer, 3, rotary flow desiccator, 301, steam outlet, 302, material inlet, 303, first gas Regulating valve, 304, mixer, 305, second gas regulating valve, 306, second gas import, 307, heating jacket, 308, third gas Body outlet, 309, discharger, the 4, second cyclone dust collectors, the 401, the 4th gas vent, 402, third gas import, 403, second Check-valves, the 404, second water seal pressure releasing device, the 405, second blowdown valve, 5, gas-liquid separator, the 501, the 4th gas feed, 502, Five gas vents, 503, cooling water outlet, 504, cooling water inlet, 505, biological vinegar liquid receiving tank, 506, delivery valve, 6, catalysis Adsorption cleaning device, the 601, first fuel gas inlet, the 602, first gas outlet, 7, combustion gas air-introduced machine, 8, water seal water-washing cleaning cartridge, 801, third blowdown valve, the 802, second gas outlet, the 803, second fuel gas inlet, 804, threeway, 805, third check-valves, 806, Torch, 9, ejector, 901, combustion gas suction inlet, 902, third gas outlet, 10, regulating valve, 11, air blower, 12, double-layer spiral Roller low temperature pyrogenation furnace, 1201, feed hopper, 1202, flat spin feeder, the 1203, the 6th gas vent, 1204, seal Material mouth bracket, 1205, pyrolysis material outlet, 1206, exhaust pipe, 1207, air inlet, 1208, vent gas catalytic cleaner, 1209, gas outlet, 1210, outer layer helix drum, 1211, internal layer helix drum, 1212, rolling stand, 1213, sliding temperature biography Sensor, 1214, steam line, 1215, bracket, 1216, temp.-controlled gas stove head, 1217, combustion chamber, 1218, driven roller, 1219, gear ring support, 1220, driving gear, 1221, decelerating motor, 13, granular fuel cuber, 1301, screw conveyor, 1302, granular fuel conveyer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process, To solve the above-mentioned problems of the prior art, keep energy utilization rate high, equipment damage is small.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
The energy of tar typically constitutes from the 5%-15% of biomass gross energy, and the generation control of tar and Forms Transformation are biologies The developing critical problem of matter pyrolytic gasification technology.The calorific value of biomass lignin is higher than raw coal calorific value, but hemicellulose Element is low with soluble saccharide calorific value, and sulfur-bearing is more, if passing through Non-oxygen pyrolytic technology for soluble saccharide and hemicellulose Prepared by cracking gasification condensation terminates pyrolysis after biological vinegar liquid, remaining carbonization biomass can compression forming be prepared into biomass Solid particle fuel has calorific value than former according to the biomass solid particle fuel for being directly compressible into type preparation with biomass Coal is high, and no dioxin and sulfur dioxide are discharged with flue gas output, and the raw coal more than alternative dioxin and sulfur dioxide output is applicable in It is used in the biomass solid fuel steam boiler that current China is widely used to promote, existing significant economic benefit, and environment It is friendly.The biological vinegar liquid that condensation obtains contains a large amount of acetic acid, and is free of biological tar, can directly be prepared into botanical pesticide wide spectrum For preventing and controlling plant pest;Appropriate dilution can replace sulfuric acid or hydrochloric acid to be prepared into plant source seed soaking agent;High dilution Alternative chemical synthesis plant growth promoter is prepared into plant source foliar fertilizer afterwards.Biological vinegar liquid pH value is low, alternative hydrochloric acid, sulphur The inorganic acids such as acid, oxalic acid, kitchen, lavatory and the exterior wall for effectively dissolving basic sediment and being prepared into ceramics and glass finishing clean Agent;Acetic acid in biological vinegar liquid, freezing point at -30 DEG C hereinafter, well below chloride salt freezing point, alternative chloride salt is prepared into Deicing salt is used for melting road surface ice and snow.
In order to reach said effect, the present invention provides a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production and sets It is standby, as shown in Figure 1, including gasification furnace 1, raw material chopper 2, raw material rotary flow desiccator 3, the second cyclone dust collectors 4, gas-liquid separation Device 5, adsorption cleaning device 6, combustion gas air-introduced machine 7, water-washing cleaning cartridge 8, ejector 9, regulating valve 10, air blower 11, double-layer spiral rolling Cylinder low temperature pyrogenation furnace 12, granular fuel cuber 13 forms.1 top screw feeder 101 of gasification furnace, middle part are equipped with pyrolysis chamber 102, outside is equipped with insulating layer 107, and lower part is equipped with fire grate 112, and lower part is additionally provided with dust collection chamber 113 and spiral soot blower 115, gasifies 1 second gas of furnace outlet 104 is connected by pipeline with the first gas import 105 of the first cyclone dust collectors 106, and the first whirlwind removes 106 lower part of dirt device is equipped with the first water seal pressure releasing device 111, and 111 upper right of the first water seal pressure releasing device is equipped with first check-valve 110, Lower part is equipped with the first blowdown valve 114, and 106 top first gas of the first cyclone dust collectors outlet 103 is by pipeline through second gas Regulating valve 305 is connected with mixer 304 and 307 second gas import 306 of heating jacket, double-layer spiral roller low temperature pyrogenation furnace 12 The 6th gas vent 1203 be connected with the 4 third gas import 402 of the second cyclone dust collectors by pipeline, the second cyclone dust collectors 4 the 4th gas vents 401 are through first gas regulating valve 303 and 306 phase of mixer 304 and 307 second gas import of heating jacket Even, 4 lower part of the second cyclone dust collectors is equipped with the second water seal pressure releasing device 404, and 404 upper right of the second water seal pressure releasing device is equipped with second Check-valves 403, lower part are equipped with the second blowdown valve 405, and raw material chopper 2 is connected with 3 material inlet 302 of raw material cyclone dryer, 3 top steam outlet 301 of raw material rotary flow desiccator passes through vapor regulating valve 109 and 102 vapor import of pyrolysis chamber, 108 phase Even, 307 third gas of heating jacket outlet 308 is connected with the 4th gas feed 501 of gas-liquid separator 5, gas-liquid separator 5 the 5th Gas vent 502 is connected with the first fuel gas inlet 601 of catalytic adsorption clarifier 6, the first gas outlet 602 and combustion gas air-introduced machine 7 imports are connected, and outlet is connected with the second fuel gas inlet 803 of water seal water-washing cleaning cartridge 8, and the second gas outlet 802 is through threeway 804 It is connected respectively with the combustion gas suction inlet 901 of third check-valves 805 and ejector 9,805 end of third check-valves is connected with torch 806, the third gas outlet 902 of ejector 9 is connected by pipeline 1214 with each temp.-controlled gas stove head 1216, water seal water washing cleaning 8 bottom of device is additionally provided with third blowdown valve 801, and 3 bottom discharge device 309 of cyclone dryer is added by feed hopper 1201 and flat spin Glassware 1202 is communicated with the internal layer helix drum 1211 of double-layer spiral roller low temperature pyrogenation furnace 12, double-layer spiral roller low temperature pyrogenation Furnace 12 is fixed on bracket 1215;Internal layer helix drum 1211 is communicated with outer layer helix drum 1210 again, outer layer helix drum 1210 rabbet with 1205 rotatory sealing of low temperature pyrogenation material outlet, and low temperature pyrogenation material outlet 1205, which is set to, seals material mouth branch On frame 1204,1210 outside right side of outer layer helix drum is equipped with rolling ring bracket 1212, and left side is equipped with gear ring support 1219, the double-deck spiral shell 12 right end of rotating drum low temperature pyrogenation furnace is equipped with sliding temperature sensor 1213, is equipped with outside double-layer spiral roller low temperature pyrogenation furnace 12 Combustion chamber 1217,1212 lower part of rolling ring bracket are equipped with driven roller 1218, and 1219 lower part of gear ring support is equipped with driving gear 1220, Decelerating motor 1221 is connected on the left of driving gear 1220, low temperature pyrogenation material outlet 1205 is fired through screw conveyor 1301 and particle Expect that cuber 13 is connected, 13 bottom discharge port of granular fuel cuber is equipped with granular fuel conveyer belt 1302, each combustion chamber 217 Top is designed with exhaust pipe 1206, is connected with 1208 left side air inlet 1207 of vent gas catalytic cleaner, and right side is equipped with gas outlet 1209,5 upper left-hand of gas-liquid separator is equipped with cooling water outlet 503, is equipped with 504 bottom of cooling water inlet on the right side of lower part and is connected with life Object vinegar liquid receiving tank 505, biological 505 bottom of vinegar liquid receiving tank are equipped with delivery valve 506.
It is further preferred that updraft type, downdraft and horizontal draft, pyrolysis chamber at steam inlet 108 can be selected in gasification furnace 1 Steam distributors are set in 102, the catalyst being arranged in the pyrolysis chamber 102 be natural crystal be dolomite, lime stone or Olivine, the vapor control flow by vapor regulating valve 109 and enter in pyrolysis chamber 102 through vapor import 108 It is sufficiently mixed with fuel gas, can make hydrocarbon that cracking reaction occur under the action of catalyst and generate H2And CO, CO can be made2 Reduction reaction occurs and is reduced into H2And cracking reaction synthesis H occurs for CO, the tar that fuel gas can be made to carry secretly2And CH4, entire anti- Answer the control of process vapor flow in 0.2-2m3/ h, reaction temperature are 800-1000 DEG C, and biological carbon conversion efficiency reaches 98%, fuel gas tar content is in 5-8mg/m3, fuel gas H2, CO and CH4Component content respectively reach 30-33%, 25-28% and 2-5%, gas fuel burning calorific value reach 11000-15000KJ/kg.The conversion efficiency of biological carbon reaches 98%, described its raw material of gasification furnace 1 is the organic matters such as agriculture and forestry organic waste material and house refuse, partial size 0.5-50mm, described Pyrolysis chamber 102 is equipped with lighting-up tuyere 3-18, and diameter 10-100mm is designed with closed cover, can be lighted a fire with gas gun, it is also possible to electricity Hot pin igniting, the fire grate 112 are equipped with the intelligent control ash discharge of decelerating motor timing constant speed.2 raw material of pulverizer is discarded for agricultural Object, powder particle diameter 0.5-10mm,
Raw material rotary flow desiccator 3 internal diameter 200-2000mm, the high 2000-8000mm of cylinder are equipped with Destaticizing device, heating jacket 306 internal diameter 300-3000mm, the high 1800-7800mm of cylinder, it is settable between steam outlet 301 and vapor regulating valve 109 Insulating layer, institute will be arranged in filter or cyclone dust collectors, raw material cyclone dryer 3 and heating jacket 306 and corresponding pipeline The mixer 304 internal diameter 100-1000mm, the high 500-1000mm of cylinder stated.
The settable water-cooled of gas-liquid separator 5, air-cooled, vaporation-type and water spray type, structure can be shell and tube, coiled With it is board-like, setting heat exchange area is 1-100m2, and described 505 settable two tanks of biological vinegar liquid receiving tank pass through pipeline valve Connection switching is used alternatingly, and the biological vinegar liquid that the biological vinegar liquid receiving tank 505 is separated is without the pure natural of tar Biological vinegar liquid.Filling ore catalyst and acticarbon in catalytic adsorption clarifier 6.Water seal water-washing cleaning cartridge 8 is equipped with gas Body distributor is dipped in the biological vinegar liquid after allotment.The third gas outlet 902 of ejector 9 is equipped with fire retardant device.Double-layer spiral 12 outer layer helix drum of roller low temperature pyrogenation furnace 1210 diameter 500-5000mm, long 3000-10000mm, internal layer helix drum 1211 diameter 300-3000mm, long 3000-10000mm, the double-layer spiral roller low temperature pyrogenation furnace 12 may be alternatively provided as three Layer or multilayer, all inner parts are made of special high temperature-resistant precious metal steel, sturdy and durable, indeformable, are not aoxidized, heat insulating ability Can be good, setting UV photodissociation catalyst converter, plasma purifier and activated-charcoal purifier in the vent gas catalytic cleaner 1208 can Realize CO2And SO2Zero-emission, NOxMicro discharge, smoke discharge amount are lower than 46mg/m3, the double-layer spiral roller Low Temperature Thermal It solves the settable gas heating of furnace 12 or electric heating, the sliding temperature sensor 1213 can be respectively in internal layer helix drum 1211 It is arranged with outer layer helix drum 1210, every layer of settable 3-6 temperature sensor, temperature controlling range is 250-350 DEG C, described Low temperature pyrogenation material outlet 1205 come out powder granule fuel partial size be 0.2-10mm, appearance is sepia, bulk density 30- 50kg/m3, combustion heat value can directly do powder fuel burning, the 6th gas vent up to 4300-4800kca/kg 1203 for low temperature pyrogenation separate without tar mixed gas, temperature is 250-350 DEG C.
The settable cylindric cuber of granular fuel cuber 13, finished particle diameter be 0.5-50mm, long 10-100mm, It may also set up polygonal column cuber, finished particle sectional area is 400-600mm2, long 10-100mm, bulk density 800- 1300kg/m3, combustion heat value is up to 4500-5000kca/kg.
Invention additionally discloses a kind of lifes using above-mentioned agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment Production. art, concrete operations are as follows:
Start screw feeder 101, agriculture and forestry organic waste material of the diameter no more than 100mm is put into gasification furnace 1, entry level Be controlled automatically at the upward vertical range 1200-1400mm range of fire grate, open combustion gas air-introduced machine 7 and air blower 11, make gas by 1 second gas of gasification furnace outlet 104 comes out after 106 dedusting of the first cyclone dust collectors, enters cyclone drying by mixer 304 The heating jacket 307 of device 3 enters gas-liquid separator 5 through third gas outlet 308, carries out gas-liquid separation and collects biological vinegar liquid, warp 5th gas vent 502 enters catalytic adsorption clarifier, carries out catalysis reaction and adsorption cleaning, enters water through combustion gas air-introduced machine 7 Water-washing cleaning cartridge 8 is sealed, biological vinegar liquid washing, purifying is carried out, regulating valve 10 is adjusted and mixes with air combustion gas through ejector 9 and pass through Steam line 1214 enters temperature-control gas burner 1216, and unlatching automatic ignitor lights fuel gas and burns in combustion chamber 1217 Heat supply, combustion tail gas enters vent gas catalytic cleaner 1208 through exhaust pipe 1206 and carries out tail gas clean-up processing, finally by purifying Gas vent discharge.Material evaporates vapor by the drying of rotary flow desiccator 3 and passes through vapor regulating valve through steam outlet 301 109 and vapor import 108 enter pyrolysis chamber 102 and promote pyrolysis and combustion, make full use of steam, reduce gas discharge.Work as burning While each temperature-control gas burner 1216 in room 1217 is all lighted, opens double-layer spiral roller low temperature pyrogenation furnace 12 and slow down Motor 1221 rotates double-layer spiral roller low temperature pyrogenation furnace 12 at the uniform velocity, temperature control instrument is observed, when outer layer helix drum When 1210 temperature reach set temperature, pulverizer 2 is opened, is passed through in pipeline to rotary flow desiccator 3 after raw material is crushed, object Material water content is 30-35%, and material is rotated from top to down through 3 inner wall of rotary flow desiccator by heated drying, drying time 10-15 Second, the material that moisture is evaporated to after 15-20% drying is flowed out through discharger 308, into feed hopper 1201, is fed through flat spin Device 1202 at the uniform velocity enters in internal layer helix drum 1211, and under spiral rotating promotion, temperature of charge is gradually risen to 200 DEG C or more It is preheated, preheating time is 8-10 minutes, and material is fallen into outer layer helix drum 1210 by right-side outlet after of continuing rising after preheating It is warm and constant start to be pyrolyzed at 200-350 DEG C.Pyrolysis time is 8-10 minutes, and material goes out through being pyrolyzed material outlet stream after pyrolysis, It send through screw conveyor to granular fuel cuber 13 and carries out compressed granulate fuel, the granular fuel of compression moulding falls into conveyer belt It is product after upper screened, cooling, granular fuel can suppress cylindrical pellet fuel, and finished particle diameter is 0.5-50mm, Long 10-100mm, can also suppress polygonal column granular fuel, and finished particle sectional area is 400-600mm2, long 10-100mm, Bulk density 800-1300kg/m3, combustion heat value is up to 4500-5000kca/kg.By 1201 heat of double-layer spiral roller low temperature pyrogenation furnace The gas that solution evaporates is flowed out through the 6th gas vent 1203, and temperature is 250-350 DEG C, is removed through the first cyclone dust collectors 106 After dirt, entered in 3 heating jacket 306 of rotary flow desiccator by regulating valve 303, is 800- with the gas temperature that gasification furnace 1 generates 1000 DEG C of mixing carry out dry materials, and temperature is waste heat to be utilized, and reduce fuel gas temperature after two kinds of mixing.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments Illustrate to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, according to According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification It should not be construed as limiting the invention.

Claims (10)

1. a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment, it is characterised in that: including gasification furnace (1), Raw material chopper (2), raw material rotary flow desiccator (3), cyclone dust collectors (4), gas-liquid separator (5), adsorption cleaning device (6), combustion Gas air-introduced machine (7), water-washing cleaning cartridge (8), ejector (9), regulating valve (10), air blower (11), double-layer spiral roller Low Temperature Thermal Solve furnace (12) and granular fuel cuber (13);Gasification furnace (1) top is equipped with screw feeder (101), and middle part is equipped with Pyrolysis chamber (102);Insulating layer (107) are equipped with outside the pyrolysis chamber (102), lower part is successively arranged fire grate (112), dust collection chamber (113) and spiral soot blower (115);The gasification furnace (1) is connected by pipeline with the first cyclone dust collectors (106), the first rotation Wind deduster (106) lower part is equipped with the first water seal pressure releasing device (111);First cyclone dust collectors (106) top is by pipeline through the Two gas control valves (305) are connected with mixer (304), and mixer (304) is connected with heating jacket (307);The bilayer spiral shell 6th gas vent (1203) of rotating drum low temperature pyrogenation furnace (12) passes through the third gas of pipeline and the second cyclone dust collectors (4) Import (402) is connected, the 4th gas vent (401) of the second cyclone dust collectors (4) through first gas regulating valve (303) with mix Device (304) is connected, and mixer (304) is connected with the second gas import (306) of heating jacket (307), under cyclone dust collectors (4) Portion is equipped with the second water seal pressure releasing device (404);The material inlet (302) of the raw material chopper (2) and raw material rotary flow desiccator (3) It is connected, raw material rotary flow desiccator (3) top steam outlet (301) passes through vapor regulating valve (109) and pyrolysis chamber (102) Vapor import (108) is connected, the 4th gas of third gas outlet (308) and gas-liquid separator (5) of heating jacket (307) Import (501) is connected, the first combustion gas of the 4th gas vent (502) of gas-liquid separator (5) and catalytic adsorption clarifier (6) into Mouth (601) is connected, and first gas outlet (602) of catalytic adsorption clarifier (6) bottom is connected with combustion gas air-introduced machine (7) import, Combustion gas air-introduced machine (7) outlet is connected with the second fuel gas inlet (803) of water seal water-washing cleaning cartridge (8), water seal water-washing cleaning cartridge (8) The second gas outlet (802) be connected through threeway (804) with the combustion gas suction inlet (901) of ejector (9), the of ejector (9) Three gas outlets (902) are connected by pipeline (1214) with each temp.-controlled gas stove head (1216);Rotary flow desiccator (3) bottom discharge Device (309) passes through feed hopper (1201) and flat spin feeder (1202) and double-layer spiral roller low temperature pyrogenation furnace (12) internal layer Helix drum (1211) communicates, and internal layer helix drum (1211) is communicated with outer layer helix drum (1210) again, outer layer helix drum (1210) rabbet with (1205) rotatory sealing of low temperature pyrogenation material outlet, low temperature pyrogenation material outlet (1205), which is set to, to be sealed On material mouth bracket (1204), the external right side of outer layer helix drum (1210) is equipped with rolling ring bracket (1212), and left side is equipped with gear ring branch Frame (1219), double-layer spiral roller low temperature pyrogenation furnace (12) right end are equipped with sliding temperature sensor (1213), double-layer spiral roller Combustion chamber (1217) are equipped with outside low temperature pyrogenation furnace (12), rolling ring bracket (1212) lower part is equipped with driven roller (1218);Gear ring Bracket (1219) lower part is equipped with driving gear (1220), is connected with decelerating motor (1221) on the left of driving gear (1220);Low Temperature Thermal Solution material outlet (1205) is connected through screw conveyor (1301) with granular fuel cuber (13), granular fuel cuber (13) Bottom discharge port is equipped with granular fuel conveyer belt (1302);Each combustion chamber (1217) top is designed with and vent gas catalytic cleaner (1208) the connected exhaust pipe (1206) of left side air inlet (1207), vent gas catalytic cleaner (1208) right side are equipped with gas outlet (1209), gas-liquid separator (5) upper left-hand is equipped with cooling water outlet (503), is equipped with cooling water inlet (504) on the right side of lower part, Bottom is connected with biological vinegar liquid receiving tank (505), and biological vinegar liquid receiving tank (505) bottom is equipped with delivery valve (506).
2. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: The gasification furnace (1) is updraft type, downdraft or horizontal draft;Steam distributor, the heat are provided in the pyrolysis chamber (102) It solves room (102) side wall and is equipped with 3-18 lighting-up tuyere (116), lighting-up tuyere (116) diameter 10-100mm, lighting-up tuyere is set on (116) There is closed cover;The fire grate (112) is equipped with decelerating motor.
3. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: Rotary flow desiccator (3) internal diameter 200-2000mm, the high 2000-8000mm, interior be equipped with of the rotary flow desiccator (3) destatic dress It sets;Heating jacket (307) the internal diameter 300-3000mm, high 1800-7800mm;The rotary flow desiccator (3) and heating jacket (307) and on corresponding pipeline insulating layer, mixer (304) the internal diameter 100-1000mm, high 500-1000mm are provided with.
4. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: Gas-liquid separator (5) structure is shell and tube, coiled or board-like;Gas-liquid separator (5) heat exchange area is 1- 100m2
5. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: Ore catalyst and acticarbon are filled in the catalytic adsorption clarifier (6).
6. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: Gas distributor is equipped in the water seal water-washing cleaning cartridge (8).
7. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: Fire retardant device is equipped at the third gas outlet (902) of the ejector (9).
8. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: Outer layer helix drum (1210) diameter 500-5000mm, long 3000- of the double-layer spiral roller low temperature pyrogenation furnace (12) 10000mm, internal layer helix drum (1211) diameter 300-3000mm, long 3000-10000mm;The vent gas catalytic cleaner (1208) UV photodissociation catalyst converter, plasma purifier and activated-charcoal purifier, the sliding temperature sensor are provided in (1213) it is respectively arranged on internal layer helix drum (1211) and outer layer helix drum (1210), the sliding temperature sensor (1213) temperature controlling range is 250-350 DEG C.
9. agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment according to claim 1, it is characterised in that: The granular fuel cuber (13) is cylindric cuber or polygonal column cuber, and cylindric cuber finished particle is straight Diameter is 0.5-50mm, long 10-100mm;Polygonal column cuber finished particle sectional area is 400-600mm2, long 10- 100mm, bulk density 800-1300kg/m3
10. a kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production technology, characterized by the following steps:
Step 1;Start screw feeder (101), by agriculture and forestry organic waste material investment gasification furnace (1), opens combustion gas air-introduced machine (7) With air blower (11), comes out gas by the second gas outlet (104) of gasification furnace (1) and removed through the first cyclone dust collectors (106) After dirt, the heating jacket (307) of rotary flow desiccator (3) is entered by mixer (304), is entered through third gas outlet (308) Gas-liquid separator (5) carries out gas-liquid separation and collects biological vinegar liquid;
Step 2;Gas after separation enters catalytic adsorption clarifier (6) through the 5th gas vent (502), carries out catalysis reaction And adsorption cleaning, purified gas enter water seal water-washing cleaning cartridge (8) through combustion gas air-introduced machine (7), carry out biological vinegar liquid washing Purification, adjusting regulating valve (10) mix with air combustion gas through ejector (9) and enter temperature-control gas by steam line (1214) Burner (1216);
Step 3;It opens automatic ignitor and lights fuel gas in combustion chamber (1217) interior combustion heat supplying;Open double-layer spiral rolling Cylinder low temperature pyrogenation furnace (12), decelerating motor (1221), rotate double-layer spiral roller low temperature pyrogenation furnace (12) at the uniform velocity, observe temperature Control instrument is opened pulverizer (2) when outer layer helix drum (1210) temperature reaches set temperature, is led to after raw material is crushed Piping is delivered in rotary flow desiccator (3), and the material after drying is flowed out through discharger (308), into feed hopper (1201), warp Flat spin feeder (1202) at the uniform velocity enter internal layer helix drum (1211) in, spiral rotating promotion under, temperature of charge by It edges up up to 200 DEG C or more and is preheated, preheating time is 8-10 minutes, and material falls into outer layer spiral by right-side outlet after preheating Continue in roller (1210) heating and it is constant start to be pyrolyzed at 200-300 DEG C, pyrolysis time is 8-10 minute, material warp after pyrolysis Pyrolysis material outlet stream goes out, and send through screw conveyor to granular fuel cuber (13) and carries out compressed granulate fuel, compression moulding Granular fuel fall on conveyer belt it is screened, cooling after be product.
CN201910675623.1A 2019-07-25 2019-07-25 A kind of agriculture and forestry organic waste material low temperature pyrogenation high heating value granular fuel production equipment and process Pending CN110229707A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110760348A (en) * 2019-11-05 2020-02-07 安徽香杨新能源科技发展股份有限公司 Biomass gas purification system
CN112048329A (en) * 2020-09-17 2020-12-08 中国农业科学院农业环境与可持续发展研究所 Multi-raw-material collaborative pyrolysis treatment method for straw agricultural film

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110760348A (en) * 2019-11-05 2020-02-07 安徽香杨新能源科技发展股份有限公司 Biomass gas purification system
CN112048329A (en) * 2020-09-17 2020-12-08 中国农业科学院农业环境与可持续发展研究所 Multi-raw-material collaborative pyrolysis treatment method for straw agricultural film
CN112048329B (en) * 2020-09-17 2021-06-25 中国农业科学院农业环境与可持续发展研究所 Multi-raw-material collaborative pyrolysis treatment method for straw agricultural film

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