CN106753476A - A kind of quick cooling type fixture bed experiment apparatus and method for being pyrolyzed and gasifying dual-purpose - Google Patents
A kind of quick cooling type fixture bed experiment apparatus and method for being pyrolyzed and gasifying dual-purpose Download PDFInfo
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- CN106753476A CN106753476A CN201710145064.4A CN201710145064A CN106753476A CN 106753476 A CN106753476 A CN 106753476A CN 201710145064 A CN201710145064 A CN 201710145064A CN 106753476 A CN106753476 A CN 106753476A
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- 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
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- 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
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/02—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with stationary charge
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- 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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/33—Laboratory scale gasifiers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0909—Drying
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0983—Additives
- C10J2300/0986—Catalysts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1246—Heating the gasifier by external or indirect heating
Abstract
The invention discloses a kind of quick cooling type fixture bed experiment apparatus and method for being pyrolyzed and gasifying dual-purpose, device includes pyrolytic gasification reacting furnace, the movable heating and thermal insulation stove around pyrolytic gasification reacting furnace is arranged at, pyrolytic gasification reacting furnace is connected with pyrolysis gas condenser and high-voltage electrical tar precipitator successively；The movable heating and thermal insulation stove is divided into symmetrical two parts, and opposite and reverse movement is carried out in the experimental bench for being provided with track by bottom pulley；The pyrolytic gasification reacting furnace is internally provided with gas distributor.Device and method of the invention is settable to be passed through the different types of gas of body of heater and control furnace body temperature, realizes two kinds of experiment purposes of flammable solid pyrolysis of waste and gasification.Body of heater dischargeable capacity of the present invention is larger, for material variety, particle diameter without particular/special requirement, expands experimental study scope.The multi-functional use of flammable solid castoff heat decomposition experimental device is realized, the waste of experiment material is reduced, is shortened experimental period and reduce the cost investment of experimental provision.
Description
Technical field
The invention belongs to the hot processing technology field of flammable solid discarded object, and in particular to pyrolysis runs control with gasification experiment
System, the apparatus and method of collection of products.
Background technology
With the continuous propulsion of the fast-developing and Urbanization process of economic society, municipal solid wastes yield with
Day all increasings.Substantial amounts of building waste, house refuse, medical waste, electronic waste, agriculture and forestry discarded object etc. due to method of disposal not
When not enough with disposal ability, people's normal life is had adverse effect on.There are some researches show flammable in China's solid waste
The average value of thing and noncombustibles be respectively in 81.64% and 18.36%, and flammable solid discarded object the maximum component of content according to
Secondary is kitchen castoff, plastics, paper etc..Flammable solid pyrolysis of waste and gasification processing method belong to thermochemical method,
The drawbacks such as the occupation of land of conventional solid refuse processing method is more, polluted to air and underground water are the method overcome, will be flammable
Solid waste resource recovery realizes minimizing and innoxious solid waste treatment " three change " target while utilization.
Pyrolysismethod refers to be heated under conditions of anaerobic or anoxic, using the organic matter of thermally labile in material, makes its point
Solution, obtains the handling process of pyrolytic carbon, pyrolytic behavior and non-condensable gas, and gas content is less in its product.The flow of pyrolysismethod
It is summarized as follows：Raw material is crushed and drying stage, preheating and drying stage, pre- pyrolysis phase, solid decomposition stage, carbon residue are decomposed
Stage, product separate and collect the stage.Evaporating method refers to that flammable solid discarded object is raw material, with oxygen, vapor, air etc. as gas
Agent, under conditions of high temperature imperfect combustion so that relative molecular mass it is higher hydrocarbon chain cracking and with gasification
There is the oxidation reaction and reduction reaction (gasification reaction) of complexity and generate the less carbon monoxide of relative molecular mass, hydrogen in agent
The process of the fuel gas such as gas, methane.The flow of evaporating method is as follows：Raw material drying and shredding stage, preheating and drying stage,
Pyrolysis phase, redox reaction (gasification reaction) stage, product separate and collect the stage.The treatment of contrast pyrolysismethod and evaporating method
Technological process understands that pyrolytic process is the sustainable basic condition for carrying out of gasification reaction.
Based on flammable solid pyrolysis of waste and the characteristics of similar gasification process flow, can attempt proposing to use same suit
Put, by adjusting reaction condition, be respectively completed the experimental provision and method of two kinds of experimental study contents of pyrolysis and gasification.Pyrolysis and
In gasification technology, the pyrolytic gasification technical research of fixed bed is more early.And, fixed bed has feed adaptability good, gasification efficiency
Height, the features such as treating capacity is moderate.To be pyrolyzed and the dual-purpose experimental provision that gasifies exploitation provide theories integration and realistic basis.But
It is that the fixture bed experiment stove generally existing for using at present that experimental period is long, dischargeable capacity is small and experiential function is single lacks
Fall into.Existing pyrolysis or gasification reacting furnace are typically provided with huge fixed Insulation, and only rely upon furnace interior to
The mode of outer heat conduction is cooled down, and cool time is long, and experimental period is more long.To realize the quick cooling of body of heater, Nanjing company develops
Stainless steel inner container atmosphere furnace the cooling system of air-cooled and water-cooled is provided with around body of heater, such measures are realizing quick cooling
While, the complexity of system is increased, increase system initial cost.Meanwhile, fixture bed experiment stove majority is employed by carrying
Thing container (porcelain Noah's ark) is sent into the feeding manner of pyrolysis environment by raw material.Because the structure of loading container and heating furnace body is limited,
It is required that the particle diameter of feeding raw material can not be excessive, and cause that the effective volume of single experiment is extremely limited.Also, existing fixed bed
Experimental furnace is generally only capable of carrying out a kind of experiment in Pyrolysis Experiment or gasification experiment, and a few experiments platform can realize pyrolysis and without gas
The gasification experiment of agent, but the general gasification experiment for not supporting to add gasifying agent.And for suitable for adding specified gasification
The fixture bed experiment stove of agent, the device such as feed system, air blower, air-introduced machine of complexity is provided with due to it, make its system complex and
And reacting furnace-e/or temperature distributing disproportionation is even, it is caused to be not appropriate for the Pyrolysis Experiment for flammable solid discarded object.
The content of the invention
In order to solve problems of the prior art, the present invention provides a kind of pyrolysis and the dual-purpose quick cooling type that gasifies is fixed
Bed experimental provision and method, overcomes that experimental furnace body function in the prior art is single, and experimental provision usage frequency is low, invests high asking
Topic.
The technical solution adopted in the present invention is comprised the following steps：
A kind of quick cooling type fixture bed experiment device for being pyrolyzed and gasifying dual-purpose, including pyrolytic gasification reacting furnace, are arranged at heat
Solution gasification reacting furnace around movable heating and thermal insulation stove, pyrolytic gasification reacting furnace successively with pyrolysis gas condenser and high pressure electric fishing
Tar device is connected；The movable heating and thermal insulation stove is divided into symmetrical two parts, and the reality of track is being provided with by bottom pulley
Testing platform carries out opposite and reverse movement；The pyrolytic gasification reacting furnace is internally provided with gas distributor.
The pyrolytic gasification reacting furnace includes body of heater and bell, and the bell and body of heater use Stud connection, and junction is adopted
Sealed with high-temperature seal ring, gas access tube is directly connected to the lower layer space of gas distributor, is additionally provided with body of heater
Emergency decompression pipeline, and three groups of thermocouple detection pipes are set according to sequence.
The movable heating and thermal insulation furnace body is made up of zone of heating and heat-insulation layer, zone of heating be provided with quantity it is adjustable plus
Hot water radiation wire, zone of heating inner wall surface is uniformly arranged the hole for being conducive to thermal convection current, and movable heating and thermal insulation stove two parts are mutual
Can be well closed during contact, and the rate of heat addition and heating-up temperature of two parts zone of heating are with control by same set of temperature monitoring
System control.
The pyrolysis gas condenser, high-voltage electrical tar precipitator are provided with pyrolytic behavior and reclaim cup.
The pipeline that the pyrolytic gasification reacting furnace is connected with pyrolysis gas condenser, high-voltage electrical tar precipitator gateway is equipped with
Insulation.
The gas distributor material selects high temperature resistant porous media according to experimental temperature.
It is a kind of to be pyrolyzed and the quick cooling type fixture bed experiment method that gasifies dual-purpose, be passed through by changing body of heater gaseous species and
Regulation and control pyrolysis furnace body temperature, realizes two kinds of experiments of pyrolysis and gasification.
When carrying out Pyrolysis Experiment, nitrogen is passed through to body of heater by gas distributor；When carrying out gasification experiment, water steaming is passed through
Gas, oxygen or the general gasifying agent gas of air.
A kind of quick cooling type fixture bed experiment method for being pyrolyzed and gasifying dual-purpose, during Pyrolysis Experiment, comprises the following steps：
(1) material process is dried, weighed, catalyst is well mixed is laid on gas distributor；
(2) refrigeration and the circulatory system are opened before testing, heat-transfer medium temperature can just start experiment after being less than 0 DEG C；
(3) before Pyrolysis Experiment starts, by gas distributor to oxygen in nitrogen purge stove is passed through in stove, turned down in experiment
Anaerobic or anaerobic environment in nitrogen flow holding furnace；
(4) according to different Pyrolysis Experiment temperature requirements, pyrolysis heating schedule control pyrolysis final temperature and liter can be set manually
Warm speed, temperature monitoring will carry out data acquisition with interval of fixing time with control system to all temperature points；
(5) in experimentation, holding is passed through gas flow stabilization, observes emergency decompression variations in line pressure situation, in real time
Record throughput, furnace temperature opens high-voltage generator, gas sample interface extract real-time pyrolysis gas sample when rising to uniform temperature；
(6) experiment terminates, and is first shut off heater, meanwhile, increase nitrogen flow is persistently purged to remaining pyrolysis gas in stove；
Then, high-voltage generator, refrigeration and the circulatory system are sequentially closed；
During gasification experiment, comprise the following steps：
(1) material process is dried, weighed, catalyst is well mixed is laid on gas distributor；
(2) refrigeration and the circulatory system are opened before testing, heat-transfer medium temperature can just start experiment after being less than 0 DEG C；
(3) before gasification experiment starts, to nitrogen purge furnace air is passed through in stove, now nitrogen can be by emergency decompression pipeline
It is passed through, experiment is closed logical such as nitrogen valve and connects pressure gauge after starting；
(4) required according to gasification experiment, pyrolysis heating schedule can be set manually, to keep combustible solid waste gasification rank
Section reduction reaction is persistently carried out, and furnace temperature Monitoring and control system preferably keeps furnace temperature more than 800 DEG C.Temperature monitoring and control system
Data acquisition will be carried out to all temperature points with interval of fixing time；
(5) in experimentation, by gas distributor to general gasifying agent is passed through in stove, such as air, oxygen, vapor,
Air/water steam, oxygen/water steam etc., holding are passed through gas flow stabilization.Observation emergency decompression variations in line pressure situation,
Real time record throughput, furnace temperature opens high-voltage generator, gas sample interface extract real-time gasification gas when rising to uniform temperature
Sample；
(6) experiment terminates, and is first shut off heater, meanwhile, stop to being passed through gasifying agent in reacting furnace and by emergency decompression
Pipeline is passed through nitrogen, and remaining gasification gas in stove is persistently purged；Then, high-voltage generator, refrigeration and cyclic system are sequentially closed
System.
The beneficial effects of the invention are as follows：Experimental provision of the invention and experimental technique be settable, and to be passed through body of heater different types of
Gas and control furnace body temperature, realize two kinds of experiment purposes of flammable solid pyrolysis of waste and gasification.The movable heating for setting
Can realize that high-temperature furnace body is quickly cooled down by position movement while holding furnace meets pyrolytic gasification reacting furnace-e/or thermal requirements.
Body of heater dischargeable capacity of the present invention is larger, for material variety, particle diameter without particular/special requirement, expands experimental study scope.It is real
The multi-functional use of flammable solid castoff heat decomposition experimental device is showed, has reduced the waste of experiment material, shortens experiment week
Phase and the cost investment of experimental provision is reduced, and, rational collection of products is designed with beneficial to being carried out to experimental result
Analysis.
Experimental provision of the present invention is widely used in the pyrolysis or gasification of house refuse, medical waste, electronic waste, biomass
Experimental study.Also, the invention employs the heating and thermal insulation structure design of quick cooling, can substantially shorten the cooling of high-temperature furnace body
Time, shorten experimental period, improve the utilization rate of experimental provision.In terms of the structure design of body of heater, it takes full advantage of pyrolysis
Flow and the common ground of gasification flow, can meet the middle temperature pyrolysis art laboratory of flammable solid discarded object and be pyrolyzed or gasified
The demand that different type is tested and frequently tested, frequency is tested by increasing its, reduces the cost of investment of experiment.
Brief description of the drawings
The quick cooling type fixture bed experiment device technique flow chart that Fig. 1 is pyrolyzed and gasifies dual-purpose；
The movable heating and thermal insulation stove shaft side figures of Fig. 2；
The movable heating and thermal insulation stove top views of Fig. 3；
Fig. 4 A-A profiles；
Fig. 5 B-B profiles；
Fig. 6 pyrolytic gasification reacting furnaces；
Fig. 7 gas distributors；
Wherein：
The movable heating and thermal insulation stove heat layer of 1 pyrolytic gasification reacting furnace 13
The 2 movable movable heating and thermal insulation stove heat-insulation layers of heating and thermal insulation stove 14
The 3 pyrolysis temperature monitoring of gas condenser 15 and control systems
The pulley of 4 high-voltage electrical tar precipitator 16
5 pyrolytic behaviors reclaim the track of cup 17
The support of 6 pyrolytic gasification reacting furnace bell 18
The wire temperature monitoring point of 7 gas distributor 19
8 pyrolytic gasifications react the gas flow metering device of furnace body 20
The gas sample interface of 9 gas access tube 21
10 emergency decompression pipeline 22* freeze and the circulatory system
11 thermocouple detection pipes 23* high-voltage generators
12 high-temperature seal rings
Note:Band " * " is auxiliary equipment, is not drawn into figure.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and detailed description.
This experimental provision incorporates the identical point of flammable solid pyrolysis of waste and gasification installation, and body of heater is passed through by changing
Gaseous species and furnace body temperature can respectively realize flammable solid pyrolysis of waste and the two kinds of experiment purposes that gasify.The experimental provision
With fixed-bed pyrolysis and gasification reacting furnace 1 and movable heating and thermal insulation stove 2 as core, mainly by the activity of pyrolytic gasification reacting furnace 1
Formula heating and thermal insulation stove 2, pyrolysis gas condenser 3 and high-voltage electrical tar precipitator 4 are constituted.Pyrolytic gasification reacting furnace 1 is provided with gas and connects
Entrance and pyrolysis gas outlet, pyrolysis gas condenser 3, high-voltage electrical tar precipitator 4 are provided with pyrolytic behavior and reclaim cup 5, wherein, heat
Before solution gas condenser 3 is arranged at high-voltage electrical tar precipitator 4, the connecting pipeline between the gateway that correspondence high temperature pyrolysis gas passes through
It is equipped with Insulation.
Pyrolytic gasification reacting furnace 1 is made up of three parts, respectively bell 6, gas distributor 7 and body of heater 8.Furnace interior
The installation base of supplied gas distributor is provided with, gas access tube 9 is directly connected to the lower layer space of gas distributor so that via
The gas that gas distributor is passed through can form uniform upward air-flow.In addition, being provided with emergency decompression pipeline 10 in stove with true
Protecting experiment safety is carried out, and emergency decompression pipeline can also serve as nitrogen in combustible solid waste gasification experimentation and be passed through pipeline.
Furnace interior sets three groups of thermocouple detection pipes 11 according to sequence, can monitor in real time in the stove of pyrolytic gasification reacting furnace 1
Thermograde, to ensure that Therapy lasted is carried out.The bell 6 of pyrolytic gasification reacting furnace 1 and body of heater 8 use Stud connection, and junction is adopted
Sealed with high-temperature seal ring 12.Movable heating and thermal insulation stove 2 provides continual and steady heat for pyrolytic gasification reacting furnace 1,
Its body of heater is made up of zone of heating 13 and heat-insulation layer 14, and zone of heating 13 is provided with the adjustable resistive heater of quantity, for lifting is tested
During heat-transfer effect, the inner wall surface of zone of heating 13 is uniformly arranged the hole for being conducive to thermal convection current.Movable heating and thermal insulation stove 2
Two parts can be well closed when contacting with each other, and two parts zone of heating 13 the rate of heat addition and heating-up temperature by same sleeving temperature
The control of Monitoring and control system 15 can form more uniform temperature field.Movable heating and thermal insulation body of heater depends on bottom pulley
16 can carry out opposite and reverse movement in the experimental bench for being provided with track 17, after the movable heating and thermal insulation body of heater of reverse opening,
Heat convection between cold air inside and high-temperature furnace body can be utilized to reach fast cooling purpose, be provided with standby pyrolytic gasification
The high-temperature furnace body on support 18 can be directly changed in the case of reacting furnace and then increases test frequency.
Pyrolytic gasification reacting furnace 1 is placed on support 18, and movable heating and thermal insulation stove 2 moves towards to form confined space pair
Reaction furnace body is heated and is incubated, and uses snap-lock heating and thermal insulation furnace body.The pyrolysis gas that experimentation is produced are first
First pass through the pyrolysis condensation of gas condenser 3 and collect pyrolytic behavior, then the solid by being suspended in the removal gas of high-voltage electrical tar precipitator 4
Grain and small liquid pearl can not be coagulated.Wherein, the gas vent of pyrolytic gasification reacting furnace 1 is entered with pyrolysis gas condenser 3 using metal loose joint
Row connection, the gas vent of pyrolysis gas condenser 3 is connect using plastic movable with high-voltage electrical tar precipitator 4 and is attached.Condensate liquid is received
Collection cup 5 is connected with pyrolysis gas condenser 3 and high-voltage electrical tar precipitator 4 using fast-assembling, fast assembling-disassembling when being easy to collect condensate liquid.
When carrying out Pyrolysis Experiment using experimental provision of the present invention, nitrogen can be passed through to body of heater by gas distributor 7, can be with
Furnace interior is kept to be in anaerobic or anaerobic condition；Now gas distributor also serves as the bed of fixed-bed pyrolysis experimental furnace, compares
Mode of entrance is concentrated in existing fixture bed experiment furnace gases, introducing gas using gas distributor ensure that furnace atmosphere more
Uniformly.And when gasification experiment is carried out, the gasifying agent gas as vapor, oxygen, air etc. can be passed through.Gas distributor 7
Material can select suitable high temperature resistant porous media according to experimental temperature.
Experimental provision of the present invention has following characteristics：
The movable heating and thermal insulation stove 2 that the present invention is used heats up to pyrolytic gasification reacting furnace-e/or 1 in pyrolysis or gasification reaction
Or keep playing heating and insulation effect in thermostatic process, experiment can be moved by the pulley 16 for setting after terminating with track 17,
External furnace body insulation is opened, realizes that interior stove is cooled down rapidly.
When the furnace binding of the dual-purpose body of heater of pyrolytic gasification that the present invention is used allows to carry out gasification experiment, different rule can be taken
The material of lattice is tested, and now function is identical with the fire grate of fixed-bed gasification furnace for gas distributor 7, and its material can be according to experiment
Temperature selects suitable high temperature resistant porous media.The general gasifying agent such as vapor, oxygen, air is by equal after gas distributor 7
It is even to be distributed between reaction in furnace material so that gasification reaction is in uniform gasification reaction atmosphere.
The experiment of flammable solid pyrolysis of waste is as follows：
(1) it is after experiment material such as is dried, weighed at the work, material is evenly laid out on gas distributor 7；Stove
Body is positioned on support 18 and by furnace sealing after integrally weighing；
(2) after the completion of each gas piping connection, isothermal holding is carried out to junction；Moved according to direction shown in Fig. 1 and lived
Dynamic formula heating and thermal insulation body of heater 2, closes thermal insulation furnace body, and observation refrigeration and circulatory system 22* heat-transfer medium temperatures just can be with less than 0 DEG C
Start experiment；
(3) before controlling resistive heater to work by temperature monitoring and control system 15, by gas distributor 7 to stove
Nitrogen purge furnace air is inside passed through, anaerobic or anaerobic environment in nitrogen flow holding furnace is turned in experiment down；
(4) temperature monitoring will record the temperature of all temperature points with interval of fixing time with control system 15 in experimentation
Data；
(5) in experimentation, real time record gas flow, furnace temperature opens high pressure generator 23* when rising to uniform temperature, by
The extract real-time gaseous sample of gas sample interface 16；
(6) experiment terminates, and is first shut off body of heater heater；Meanwhile, increase nitrogen flow continues to remaining pyrolysis gas in stove
Purging；Then, high pressure generator 23*, refrigeration and circulatory system 22* are sequentially closed；
(7) after nitrogen purging is completed, the movable heating and thermal insulation stove 2 of movement makes body of heater lower the temperature rapidly.
Combustible solid waste gasification experiment route is as follows：
Pyrolytic gasification experimentation is most of identical with Pyrolysis Experiment process, only just and is passed through gaseous species in temperature
Aspect has differences, and specifically includes following steps：
(1) it is after experiment material such as is dried, weighed at the work, material is evenly laid out on gas distributor 7；Stove
Body is positioned on support 18 and by furnace sealing after integrally weighing；
(2) after the completion of each gas piping connection, isothermal holding is carried out to junction；Moved according to direction shown in Fig. 1 and lived
Dynamic formula heating and thermal insulation body of heater 2, closes thermal insulation furnace body, and observation refrigeration and circulatory system 22* heat-transfer medium temperatures just can be with less than 0 DEG C
Start experiment；
(3) before gasification experiment starts, to nitrogen purge furnace air is passed through in stove, now nitrogen can be by emergency decompression pipeline
It is passed through, experiment is closed logical such as nitrogen valve and connects pressure gauge after starting；
(4) temperature monitoring will record all thermometric resistance and temperatures with control system 15 with interval of fixing time in experimentation
The temperature data of measuring point；
(5) in experimentation, by gas distributor 7 to general gasifying agent is passed through in stove, such as air, oxygen, vapor,
Air/water steam, oxygen/water steam etc., holding are passed through gas flow stabilization.Observation emergency decompression variations in line pressure situation,
Real time record throughput, furnace temperature opens high-voltage generator, gas sample interface extract real-time gasification gas when rising to uniform temperature
Sample；
(6) experiment terminates, and is first shut off heater, meanwhile, stop to being passed through gasifying agent in reacting furnace and by emergency decompression
Pipeline is passed through nitrogen, and remaining gasification gas in stove is persistently purged；Then, high-voltage generator 23*, refrigeration are sequentially closed and is circulated
System 22*；
(7) after nitrogen purging is completed, the movable heating and thermal insulation stove 2 of movement makes body of heater lower the temperature rapidly.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
- It is 1. a kind of to be pyrolyzed and the quick cooling type fixture bed experiment device that gasifies dual-purpose, it is characterised in that including pyrolytic gasification reacting furnace, Be arranged at the movable heating and thermal insulation stove around pyrolytic gasification reacting furnace, pyrolytic gasification reacting furnace successively with pyrolysis gas condenser and High-voltage electrical tar precipitator is connected；The movable heating and thermal insulation stove is divided into symmetrical two parts, is being provided with by bottom pulley The experimental bench of track carries out opposite and reverse movement；The pyrolytic gasification reacting furnace is internally provided with gas distributor.
- 2. the quick cooling type fixture bed experiment device for being pyrolyzed according to claim 1 and gasifying dual-purpose, it is characterised in that the heat Solution gasification reacting furnace includes body of heater and bell, and the bell and body of heater use Stud connection, and junction is entered using high-temperature seal ring Row sealing, gas access tube is directly connected to the lower layer space of gas distributor, emergency decompression pipeline is additionally provided with body of heater, and According to sequence, three groups of thermocouple detection pipes are set.
- 3. the quick cooling type fixture bed experiment device for being pyrolyzed according to claim 1 and gasifying dual-purpose, it is characterised in that the work Dynamic formula heating and thermal insulation furnace body is made up of zone of heating and heat-insulation layer, and zone of heating is provided with the adjustable resistive heater of quantity, heating Layer inner wall surface is uniformly arranged the hole for being conducive to thermal convection current, and movable heating and thermal insulation stove two parts can be good when contacting with each other It is closed, and the rate of heat addition and heating-up temperature of two parts zone of heating control by same set of temperature monitoring and control system.
- 4. the quick cooling type fixture bed experiment device for being pyrolyzed according to claim 1 and gasifying dual-purpose, it is characterised in that the heat Solution gas condenser, high-voltage electrical tar precipitator are provided with pyrolytic behavior and reclaim cup.
- 5. the quick cooling type fixture bed experiment device for being pyrolyzed according to claim 1 and gasifying dual-purpose, it is characterised in that the heat The pipeline that solution gasification reacting furnace is connected with pyrolysis gas condenser, high-voltage electrical tar precipitator gateway is equipped with Insulation.
- 6. the quick cooling type fixture bed experiment device for being pyrolyzed according to claim 1 and gasifying dual-purpose, it is characterised in that the gas Body distributor material selects high temperature resistant porous media according to experimental temperature.
- 7. it is a kind of to be pyrolyzed and the quick cooling type fixture bed experiment method that gasifies dual-purpose, it is characterised in that to be passed through body of heater by changing Gaseous species and regulation and control pyrolysis furnace body temperature, realize two kinds of experiments of pyrolysis and gasification.
- 8. the quick cooling type fixture bed experiment method for being pyrolyzed according to claim 7 and gasifying dual-purpose, it is characterised in that carry out heat During solution experiment, nitrogen is passed through to body of heater by gas distributor；When carrying out gasification experiment, vapor, oxygen or air one are passed through As gasifying agent gas.
- 9. the quick cooling type fixture bed experiment method for being pyrolyzed according to claim 8 and gasifying dual-purpose, it is characterised in that pyrolysis is real When testing, comprise the following steps：(1) material process is dried, weighed, catalyst is well mixed is laid on gas distributor；(2) refrigeration and the circulatory system are opened before testing, heat-transfer medium temperature can just start experiment after being less than 0 DEG C；(3) before Pyrolysis Experiment starts, by gas distributor to oxygen in nitrogen purge stove is passed through in stove, nitrogen is turned in experiment down Anaerobic or anaerobic environment in flow holding furnace；(4) according to different Pyrolysis Experiment temperature requirements, pyrolysis heating schedule control pyrolysis final temperature and the speed that heats up can be set manually Rate, temperature monitoring will carry out data acquisition with interval of fixing time with control system to all temperature points；(5) in experimentation, holding is passed through gas flow stabilization, observes emergency decompression variations in line pressure situation, real time record Throughput, furnace temperature opens high-voltage generator, gas sample interface extract real-time pyrolysis gas sample when rising to uniform temperature；(6) experiment terminates, and is first shut off heater, meanwhile, increase nitrogen flow is persistently purged to remaining pyrolysis gas in stove；With Afterwards, high-voltage generator, refrigeration and the circulatory system are sequentially closed；During gasification experiment, comprise the following steps：(1) material process is dried, weighed, catalyst is well mixed is laid on gas distributor；(2) refrigeration and the circulatory system are opened before testing, heat-transfer medium temperature can just start experiment after being less than 0 DEG C；(3) before gasification experiment starts, to nitrogen purge furnace air is passed through in stove, now nitrogen can be led to by emergency decompression pipeline Enter, experiment is closed logical such as nitrogen valve and connects pressure gauge after starting；(4) required according to gasification experiment, pyrolysis heating schedule can be set manually, to be kept for the combustible solid waste gasification stage also Original reaction is persistently carried out, and furnace temperature Monitoring and control system preferably keeps furnace temperature more than 800 DEG C, and temperature monitoring and control system will be with Fix time to be spaced and data acquisition is carried out to all temperature points；(5) in experimentation, gas flow stabilization is passed through, is seen to general gasifying agent, holding is passed through in stove by gas distributor Emergency decompression variations in line pressure situation is examined, real time record throughput, furnace temperature opens high-voltage generator when rising to uniform temperature, Gas sample interface extract real-time gasification gas sample sheet；(6) experiment terminates, and is first shut off heater, meanwhile, stop to being passed through gasifying agent in reacting furnace and by emergency decompression pipeline Nitrogen is passed through, remaining gasification gas in stove is persistently purged；Then, high-voltage generator, refrigeration and the circulatory system are sequentially closed.
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| CN108949206A (en) * | 2018-07-02 | 2018-12-07 | 西北农林科技大学 | A kind of inside and outside dual-heating type pyrolysis installation |
| CN114250078A (en) * | 2021-12-02 | 2022-03-29 | 咸阳陶瓷研究设计院有限公司 | Split type high-efficiency biomass pyrolysis furnace device |
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