CN109111937A - For imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification - Google Patents
For imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification Download PDFInfo
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- CN109111937A CN109111937A CN201811199889.5A CN201811199889A CN109111937A CN 109111937 A CN109111937 A CN 109111937A CN 201811199889 A CN201811199889 A CN 201811199889A CN 109111937 A CN109111937 A CN 109111937A
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- 238000002309 gasification Methods 0.000 title claims abstract description 46
- 239000002028 Biomass Substances 0.000 title claims abstract description 45
- 238000011160 research Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000003610 charcoal Substances 0.000 title claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 123
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 34
- 239000002737 fuel gas Substances 0.000 claims abstract description 31
- 238000005406 washing Methods 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 52
- 239000010410 layer Substances 0.000 claims description 35
- 238000000197 pyrolysis Methods 0.000 claims description 26
- 239000000567 combustion gas Substances 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 21
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000004458 analytical method Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000002474 experimental method Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000005235 decoking Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 210000000013 bile duct Anatomy 0.000 claims description 2
- 238000005253 cladding Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000005496 tempering Methods 0.000 claims 1
- 239000012075 bio-oil Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- 230000001960 triggered effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention discloses for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification, including steam generator, down-draft type gasifying furnace, uniflow gas stove, gas retort, fuel gas pipeline, purification system, air-introduced machine, gas flowmeter, combination water sealed tank and burner.Purification system includes humidifying tower, a settling tank and three tar removing towers by concatenated three condensing towers of fuel gas pipeline, two washings.Down-draft type gasifying furnace, uniflow gas stove and gas retort pass through the front end that pipeline is connected in parallel on fuel gas pipeline respectively.The purification system is connected to the medium position of fuel gas pipeline, and air-introduced machine is connected on the connecting line of purification system, and the end of fuel gas pipeline is sequentially connected gas flowmeter, combination water sealed tank and burner respectively.The present invention is the other gasification of biomass of laboratory level and cleaning equipment of complete set, and the fuel gas generated after biomass fuel gasifying isolates dust particles and bio oil by purification system, obtains clean fuel gas.
Description
Technical field
The invention belongs to biomass energy equipment technical fields, specifically, it is related to for imparting knowledge to students or the biology of scientific research
The charcoal gas-liquid combined production device of matter pyrolysis and gasification.
Background technique
Biomass energy be only second to coal, oil and natural gas and occupy world energy sources total quantity consumed the 4th energy.
World energy sources are in short supply at present, and fossil energy reserves are limited, it would be highly desirable to tap a new source of energy, realize sustainable development.As large agricultural country,
The annual forestry waste in China and agricultural production surplus materials yield are up to 700,000,000 tons, contain huge biomass energy.It improves
The utilization efficiency of biomass energy reduces environmental pollution to conventional energy resource is saved, preserves the ecological environment and be of great significance.People
Many biomass energy utilization technologies have been developed, Direct-Combustion Technology, biomass gasification technology and biochemical conversion are broadly divided into
Technology, wherein biomass gasification technology is most widely used.Biomass gasification equipment mainly have fixed-bed gasification furnace, gas retort and
Fluidized-bed gasification furnace three classes, fixed-bed gasification furnace have downdraft and two kinds of updraft type again.Fluidized gasification furnace structure is complex,
It is unfavorable for large-scale promotion.Therefore, to the research of down-draft type gasifying furnace, uniflow gas stove and gas retort, and to biomass
The further investigation of the purification techniques of pyrolytic gasification technology and gasification product is our highly important projects.
Currently, the research of biomass gasification technology of each universities and colleges, scientific research institutions lacks a whole set of gasification and purification dress
Standby, further investigation and exploitation to biomass gasification technology bring difficulty, while also bringing not to the experiment of biomass technique teaching
Just.
Summary of the invention
In order to solve the status that the research of current biomass gasification technology lacks a whole set of gasification and purification equipment, the present invention
It provides for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification.
For imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification, including steam generator 1, lower suction
Formula gasification furnace 2, uniflow gas stove 3, gas retort 4, fuel gas pipeline 5, purification system 6, air-introduced machine 7, gas flowmeter 8, combination
Water sealed tank 9 and burner 10.
The steam generator 1 is connect with down-draft type gasifying furnace 2 and uniflow gas stove 3 respectively by steam pipework 12,
And an air blower 11 and several steam control valves 13 are equipped on steam pipework 12.The purification system 6 includes passing through combustion
5 concatenated three condensing towers of air pipe, two washing humidification towers, a settling tank and three tar removing towers.
The down-draft type gasifying furnace 2, uniflow gas stove 3 and gas retort 4 are connected in parallel on fuel gas pipeline 5 by pipeline respectively
Front end.The purification system 6 is connected to the medium position of fuel gas pipeline 5, and air-introduced machine 7 is connected on the connecting tube of purification system 6
On the road, the end of the fuel gas pipeline 5 is sequentially connected gas flowmeter 8, combination water sealed tank 9 and burner 10 respectively.
It is respectively equipped in the down-draft type gasifying furnace 2, uniflow gas stove 3 and gas retort 4 and the connecting tube of fuel gas pipeline 5
One gas control valve 51 does down-draft type gasifying furnace 2, uniflow gas stove 3 and destructive distillation by controlling gas control valve 51 respectively
The gasification experiment of the biomass fuel of furnace 4, and gas-purification processing is detected by gas flowmeter 8 and fired by purification system 6
The flow of gas, the combination water sealed tank 9 is interior to be equipped with back-fire relief stone and sealing structure for water, and burner 10 is prevented to be tempered.
The down-draft type gasifying furnace 2 include furnace internal-lining pipe 21, upper lagging casing 22, the first gas outlet 23, several the
One nozzle 24, diversion pipe 25, middle lagging casing 26, the first fire grate 27, lower insulation shell 28 and pedestal 29.The furnace internal-lining pipe
21 attach the stainless steel tube of the heat-resisting material of 30~50mm thickness for inner wall, and it is outer that the outer sheath of the furnace internal-lining pipe 21 loads onto heat preservation
Shell 22, the upper lagging casing 22 are located at the top of middle lagging casing 26, and the upper lagging casing 22, middle lagging casing 26 are
The stainless steel tube of two-piece suit, and the filling with insulation material between two pieces stainless steel tube, the lower end of upper lagging casing 22 and middle guarantor
The upper end flanged joint of warm shell 26.The lower end of the furnace internal-lining pipe 21 connects the first fire grate 27 and diversion pipe 25, described
Diversion pipe 25 is identical as 21 outer diameter of furnace internal-lining pipe, in diversion pipe 25, furnace internal-lining pipe 21 and upper lagging casing 22, middle lagging casing 26
Between be equipped with gap, the gap be blast tube.First gas outlet 23 be connected to the top of lagging casing 22 and
It is penetrated through with the blast tube.The longitudinal middle part of the furnace internal-lining pipe 21 is set there are three the first temperature sensor 221, and described three
First temperature sensor 221 is separately mounted in the different height of distance the first fire grate 27, detects biomass fuel gas respectively
The temperature of reduction zone, oxide layer, pyrolytic layer when change.Several first jets 24 are connected on the furnace internal-lining pipe 21, if described
Dry first jet 24 is respectively distributed to the first fire grate of distance 27 from the circumference down to high three different cross sections, passes through
First jet 24 is connect with steam pipework 12.The lower part outer circle of the middle lagging casing 26 is equipped with the first fire door 261, and described the
One fire door 261 and the Dust Storage Room of 25 lower section of diversion pipe penetrate through, and the first fire door 261 is equipped with the fire door cover board with gasket.Institute
The upper end of lower insulation shell 28 and the lower end flanged joint of middle lagging casing 26 are stated, the lower insulation shell 28 is mounted on pedestal
29 upper side.
The uniflow gas stove 3 includes top cover labyrinth 31, furnace upper plate 32, furnace tube 33, the second gas outlet 34, top
Stove outer covering 35, the second fire grate 36, lower part stove outer covering 37, several second nozzles 38 and furnace cradle 39.The furnace upper plate 32 is
Circular ring shape is equipped with the endless groove being filled with water on the upside of furnace upper plate 32, and the lower end of top cover labyrinth 31 is placed on endless groove, furnace upper plate 32
Downside is separately connected the upper end of furnace tube 33 and top stove outer covering 35, and top stove outer covering 35 is sleeved on the outside of furnace tube 33.
Second gas outlet 34 is connected in the upper end outer circle of top stove outer covering 35, upper end 20 of the furnace tube 33 apart from furnace upper plate 32
The outer circle of a cross section between~40mm is equipped with several ventholes for being uniformly distributed along the circumference, outside furnace tube 33 and upper furnace
Ring-shaped air chamber is equipped between shell 35 and at the position of venthole, second gas outlet 34 is penetrated through with ring-shaped air chamber, described
The lower section filling with insulation material of ring-shaped air chamber.The lower end of furnace tube 33 connects the second fire grate 36.The lower part stove outer covering 37
The lower end flanged joint of upper end and top stove outer covering 35 is equipped with the second fire door 371 in the downside outer circle of lower part stove outer covering 37.
The longitudinal middle part of the furnace tube 33 is set there are three second temperature sensor 351, and three second temperature sensors 351 are distinguished
It is mounted in the different height of distance the second fire grate 36, reduction zone, oxide layer, heat point when detecting biomass fuel gasifying respectively
Solve the temperature of layer.Several second nozzles 38 are connected on the furnace tube 33, several described second nozzles 38 are distributed in distance
Second fire grate 36 is from the circumference down to high three different cross sections, by connecting with second nozzle 38 and steam pipework 12
It connects.
The gas retort 4 includes gas retort bell 41, destructive distillation furnace body 42, upper thermal insulation layer 43, upper insulation shell 44, electric furnace
Disk 45, lower thermal insulation layer 46, lower insulation shell 47 and destructive distillation furnace cradle 48.The lower end of the gas retort bell 41 and destructive distillation furnace body
42 upper end flanged joint, the upper thermal insulation layer 43 of connection heat-resisting material production, institute in the outer circle of the destructive distillation furnace body 42
It states set in 43 outer circle of thermal insulation layer and loads onto insulation shell 44.Place electric furnace pan 45, the electricity in the lower section of the destructive distillation furnace body 42
Stone or metal plate for standing a stove on as a precaution against fire 45 is mounted on the lower thermal insulation layer 46 of the lower section of electric furnace pan 45, and lower thermal insulation layer 46 is mounted on lower insulation shell 47, it is described on
The upper end flanged joint of the lower end of insulation shell 44 and lower insulation shell 47.The interposition of the upper end of the gas retort bell 41
Third gas outlet 411 is installed, the two sides of the third gas outlet 411 are respectively equipped with a third temperature sensor interface
412 and a pressure gauge connection 413.The upper end of the destructive distillation furnace cradle 48 is set there are two bearing block 482, described two bearing blocks
A shaft 481 is respectively equipped in 482, the shaft 481 is connected in the top outer circle of insulation shell 44, the gas retort
4 can rotate to horizontal position from vertical position around shaft 481.
Three condensing towers are respectively level-one condensing tower 61, B-grade condensation tower 62 and three-level condensing tower 63, the level-one
61 internal structure of condensing tower is that lower part is divided into cyclone dust removal structure, and top is divided into the condensation structure with water interlayer.The second level
Condensing tower 62 and three-level condensing tower 63 are multitube vapor liquid heat exchange structure, and the lower end base of three condensing towers is equipped with
Dust discharge valve.
Described two washing humidification towers are respectively one-stage water wash humidification tower 64 and second level washing humidification tower 65, the level-one water
Washing humidification tower 64 and second level washing humidification tower 65 is the washing structure equipped with water mist spraying head.The settling tank is precipitating transfer tank
66, described precipitate is the impurity and water precipitated on the downside of transfer tank 66, and combustion gas passes through from upside.
Three tar removing towers are respectively to devoke oil analysis tower 67, air film tar filtration tank 68 and tar adsorption filtration tank
69.It is vane type rotating centrifugal structure inside the decoking oil analysis tower 67, the air film tar filtration tank 68 is air film filtering
Structure, the tar adsorption filtration tank 69 are the filtering adsorption structure of built-in active carbon.
The combustion gas collecting pipe of connection one vertically downward in connecting tube between the combination water sealed tank 9 and burner 10
91, a collection tube valve 92, the company of combustion gas collecting pipe 91 upper end and burner 10 are connected on the combustion gas collecting pipe 91
A burner valve 93 is connected on adapter tube.
Advantageous effects of the invention embody in the following areas:
(1) gasification experiment in down-draft type gasifying furnace, uniflow gas stove, gas retort, gasification produce biomass fuel respectively
Raw fuel gas isolates dust particles and bio oil by cleaning equipment, obtains clean fuel gas, and passes through burning
Device is clean by gas fuel burning.
(2) down-draft type gasifying furnace, uniflow gas stove are respectively equipped with the first jet for increasing steam gasification agent, the second spray
Mouth controls quantity of steam by steam control valve, increases the speed and effect of gasification of biomass.
(3) level-one condensing tower, B-grade condensation tower, three-level condensing tower, one-stage water wash humidification tower, second level washing humidify tower, sink
Shallow lake transfer tank, the optimum organization for devoking oil analysis tower, air film tar filtration tank and tar adsorption filtration tank, so that biological fuel gas
In dust, bio oil separation more thoroughly, purification it is more complete.
(4) same set of purification system can be respectively the biomass of down-draft type gasifying furnace, uniflow gas stove and gas retort
Purified treatment is done in the combustion gas that gasification generates, and improves the utilization efficiency of purification system.
Detailed description of the invention
Fig. 1 present system schematic diagram.
Fig. 2 down-draft type gasifying furnace schematic diagram of the present invention.
Fig. 3 uniflow gas stove schematic diagram of the present invention.
Fig. 4 gas retort schematic diagram of the present invention.
Fig. 5 gas retort bell top view of the present invention.
Serial number in upper figure: steam generator 1, air blower 11, steam pipework 12, steam control valve 13, down-draft type gasifying furnace
2, furnace internal-lining pipe 21, upper lagging casing 22, the first temperature sensor 221, the first gas outlet 23, first jet 24, diversion pipe
25, middle lagging casing 26, the first fire door 261, the first fire grate 27, lower insulation shell 28, pedestal 29.Uniflow gas stove 3, on
Sealing cover 31, furnace upper plate 32, furnace tube 33, the second gas outlet 34, top stove outer covering 35, second temperature sensor 351, second
Fire grate 36, lower part stove outer covering 37, the second fire door 371, second nozzle 38, furnace cradle 39, gas retort 4, gas retort bell 41,
Three gas outlets 411, third temperature sensor interface 412, pressure gauge connection 413, destructive distillation furnace body 42, upper thermal insulation layer 43, on
Insulation shell 44, electric furnace pan 45, lower thermal insulation layer 46, lower insulation shell 47, destructive distillation furnace cradle 48, shaft 481, bearing block 482.Combustion
Air pipe 5, gas control valve 51, purification system 6, level-one condensing tower 61, B-grade condensation tower 62, three-level condensing tower 63, level-one water
Wash humidification tower 64, second level washing humidification tower 65, precipitating transfer tank 66, decoking oil analysis tower 67, air film tar filtration tank 68, absorption
Tar filtration tank 69, gas flowmeter 8, combination water sealed tank 9, combustion gas collecting pipe 91, collects tube valve 92, burner at air-introduced machine 7
Valve 93, burner 10.
Specific embodiment
With reference to the accompanying drawing, the present invention is further described by embodiment.
Embodiment one
Referring to Fig. 1, for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification, including biogas
Change the purification system 6 of stove and purifying gas.The gasification of biomass stove include steam generator 1, down-draft type gasifying furnace 2,
Uniflow gas stove 3, gas retort 4 and fuel gas pipeline 5.The steam generator 1 by steam pipework 12 respectively with downdraft gas
Change furnace 2 and uniflow gas stove 3 connects, and is equipped with an air blower 11 and several steam control valves on steam pipework 12
13.The purification system 6 include by 5 concatenated three condensing towers of fuel gas pipeline, two washings humidification towers, a settling tank and
Three tar removing towers.
Three condensing towers are respectively level-one condensing tower 61, B-grade condensation tower 62 and three-level condensing tower 63, the level-one
61 internal structure of condensing tower is that lower part is divided into cyclone dust removal structure, and top is divided into the condensation structure with water interlayer.The second level
Condensing tower 62 and three-level condensing tower 63 are multitube vapor liquid heat exchange structure, and the lower end base of three condensing towers is equipped with
Dust discharge valve.
Described two washing humidification towers are respectively one-stage water wash humidification tower 64 and second level washing humidification tower 65, the level-one water
Washing humidification tower 64 and second level washing humidification tower 65 is the washing structure equipped with water mist spraying head.The settling tank is precipitating transfer tank
66, described precipitate is the impurity and water precipitated on the downside of transfer tank 66, and combustion gas passes through from upside.
Three tar removing towers are respectively to devoke oil analysis tower 67, air film tar filtration tank 68 and tar adsorption filtration tank
69.It is vane type rotating centrifugal structure inside the decoking oil analysis tower 67, the air film tar filtration tank 68 is air film filtering
Structure, the tar adsorption filtration tank 69 are the filtering adsorption structure of built-in active carbon.
The down-draft type gasifying furnace 2, uniflow gas stove 3 and gas retort 4 are connected in parallel on fuel gas pipeline 5 by pipeline respectively
Front end.The purification system 6 is connected to the medium position of fuel gas pipeline 5, and air-introduced machine 7 is connected on the connecting tube of purification system 6
On the road, the end of the fuel gas pipeline 5 is sequentially connected gas flowmeter 8, combination water sealed tank 9 and burner 10 respectively.
It is respectively equipped in the down-draft type gasifying furnace 2, uniflow gas stove 3 and gas retort 4 and the connecting tube of fuel gas pipeline 5
One gas control valve 51 does down-draft type gasifying furnace 2, uniflow gas stove 3 and destructive distillation by controlling gas control valve 51 respectively
The gasification experiment of the biomass fuel of furnace 4, and gas-purification processing is detected by gas flowmeter 8 and fired by purification system 6
The flow of gas, the combination water sealed tank 9 is interior to be equipped with back-fire relief stone and sealing structure for water, and burner 10 is prevented to be tempered.
The combustion gas collecting pipe of connection one vertically downward in connecting tube between the combination water sealed tank 9 and burner 10
91, a collection tube valve 92, the company of combustion gas collecting pipe 91 upper end and burner 10 are connected on the combustion gas collecting pipe 91
A burner valve 93 is connected on adapter tube.
Referring to fig. 2, the down-draft type gasifying furnace 2 include furnace internal-lining pipe 21, upper lagging casing 22, the first gas outlet 23,
Nine first jets 24, diversion pipe 25, middle lagging casing 26, the first fire grate 27, lower insulation shell 28 and pedestal 29.The furnace
Interior bile duct 21 is the stainless steel tube for the heat-resisting material that inner wall attaches 40mm thickness, and the outer sheath of the furnace internal-lining pipe 21 loads onto heat preservation
Shell 22, the upper lagging casing 22 are located at the top of middle lagging casing 26, and the upper lagging casing 22, middle lagging casing 26 are equal
For the stainless steel tube of two-piece suit, and the filling with insulation material between two pieces stainless steel tube, the lower end of upper lagging casing 22 is in
The upper end flanged joint of lagging casing 26.The lower end of the furnace internal-lining pipe 21 connects the first fire grate 27 and diversion pipe 25, institute
It is identical as 21 outer diameter of furnace internal-lining pipe to state diversion pipe 25, in diversion pipe 25, furnace internal-lining pipe 21 and upper lagging casing 22, middle lagging casing
Gap is equipped between 26, the gap is blast tube.First gas outlet 23 is connected to the top of lagging casing 22
And it is penetrated through with the blast tube.The longitudinal middle part of the furnace internal-lining pipe 21 is set there are three the first temperature sensor 221, and described three
A first temperature sensor 221 is separately mounted in the different height of distance the first fire grate 27, detects biomass fuel respectively
The temperature of reduction zone, oxide layer, pyrolytic layer when gasification.Nine first jets 24 of connection on the furnace internal-lining pipe 21, described nine
A first jet 24 is respectively distributed to the first fire grate of distance 27 from the circumference of three cross sections down to high different height,
It is connect by first jet 24 with steam pipework 12.The lower part outer circle of the middle lagging casing 26 is equipped with the first fire door 261, institute
It states the first fire door 261 and the Dust Storage Room of 25 lower section of diversion pipe penetrates through, and the first fire door 261 is equipped with the stove face plate with gasket
Plate.The lower end flanged joint of the upper end of the lower insulation shell 28 and middle lagging casing 26, the lower insulation shell 28 are installed
In the upper side of pedestal 29.
Referring to Fig. 3, the uniflow gas stove 3 goes out including top cover labyrinth 31, furnace upper plate 32, furnace tube 33, the second combustion gas
Mouth 34, top stove outer covering 35, the second fire grate 36,37, nine second nozzles 38 of lower part stove outer covering and furnace cradle 39.On the furnace
Plate 32 is circular ring shape, is equipped with the endless groove being filled with water on the upside of furnace upper plate 32, the lower end of top cover labyrinth 31 is placed on endless groove, on furnace
The downside of plate 32 is separately connected the upper end of furnace tube 33 and top stove outer covering 35, and top stove outer covering 35 is sleeved on furnace tube 33
Outside.Second gas outlet 34 is connected in the upper end outer circle of top stove outer covering 35, and furnace tube 33 is apart from furnace upper plate 32
The outer circle of a cross section of upper end 30mm is equipped with 18 ventholes being uniformly distributed along the circumference, and the diameter of the venthole is
10mm, is equipped with ring-shaped air chamber between furnace tube 33 and top stove outer covering 35 and at the position of venthole, second combustion gas goes out
Mouth 34 is penetrated through with ring-shaped air chamber, the lower section filling with insulation material of the ring-shaped air chamber.The lower end of furnace tube 33 connects the second fire grate
Son 36.The upper end of the lower part stove outer covering 37 and the lower end flanged joint of top stove outer covering 35, under lower part stove outer covering 37
Side outer circle is equipped with the second fire door 371.The longitudinal middle part of the furnace tube 33 is set there are three second temperature sensor 351, described
Three second temperature sensors 351 are separately mounted in the different height of distance the second fire grate 36, detect biomass fuel respectively
Reduction zone, oxide layer, the temperature of pyrolytic layer when material gasification.Nine second nozzles 38 of connection on the furnace tube 33, described nine
A second nozzle 38 is distributed in the second fire grate of distance 36 from the circumference down to high three different cross sections, by with second
Nozzle 38 is connect with steam pipework 12.
Referring to fig. 4 and Fig. 5, the gas retort 4 include gas retort bell 41, destructive distillation furnace body 42, upper thermal insulation layer 43, upper guarantor
Warm shell 44, electric furnace pan 45, lower thermal insulation layer 46, lower insulation shell 47 and destructive distillation furnace cradle 48.Under the gas retort bell 41
The upper end flanged joint with destructive distillation furnace body 42 is held, connection heat-resisting material production in the outer circle of the destructive distillation furnace body 42
Upper thermal insulation layer 43, set loads onto insulation shell 44 in upper 43 outer circle of thermal insulation layer.Place electricity in the lower section of the destructive distillation furnace body 42
Stone or metal plate for standing a stove on as a precaution against fire 45, the electric furnace pan 45 are mounted on the lower thermal insulation layer 46 of 45 lower section of electric furnace pan, and lower thermal insulation layer 46 is mounted on lower insulation cladding
On body 47, the lower end of the upper insulation shell 44 and the upper end flanged joint of lower insulation shell 47.The gas retort bell 41
Upper end middle position be equipped with third gas outlet 411, the two sides of the third gas outlet 411 are respectively equipped with a third
Temperature sensor interface 412 and a pressure gauge connection 413.The upper end of the destructive distillation furnace cradle 48 is set there are two bearing block 482,
A shaft 481 is respectively equipped in described two bearing blocks 482, the shaft 481 is connected to outside the top of insulation shell 44
On circle, the gas retort 4 can rotate to horizontal position from vertical position around shaft 481.
Experimental method and step
One, it is tested with down-draft type gasifying furnace 2:
The first step gets out biomass fuel, and by taking cotton stalk as an example, the cotton stalk of natural drying is cut into 20~30mm
Length is spare.
Second step, open between the first gas outlet 23 and fuel gas pipeline 5 by gas control valve 51, by cutting for 0.5Kg
Cotton stalk after cutting is put into furnace internal-lining pipe 21, and ignition, and cotton stalk is then piled furnace internal-lining pipe 21, in furnace internal-lining pipe
The round plate pressing plate for the honeycomb coaly for placing one piece of 25mm thickness at the top of cotton stalk in 21 pushes down cotton stalk, starts air-introduced machine 7.It will
Purification system 6 is adjusted to experimental state.First fire door 261 is in closed state.
Third step starts steam generator 1 and air blower 11, opens and adjust 13 aperture of steam control valve, allows vapor
Gasifying agent is sprayed onto oxide layer by first jet 24.
4th step puts burner 10, observes the color of flame, records the temperature ginseng of three the first temperature sensors 221
Number records the flow parameter of gas flowmeter 8.
5th step, as the cotton stalk in furnace internal-lining pipe 21 constantly gasifies, round plate pressing plate sinks automatically, when round plate pressure
When plate sinks to the 1/2 of 21 height of furnace internal-lining pipe, round plate pressure is triggered, cotton stalk is added, by this method, it can be achieved that continous way gas
Change experiment.
Two, it is tested with uniflow gas stove 3:
The first step gets out biomass fuel, and by taking cotton stalk as an example, the cotton stalk of natural drying is cut into 20~30mm
Length is spare.
Second step, open between the second gas outlet 34 and fuel gas pipeline 5 by gas control valve 51, by cutting for 0.5Kg
Cotton stalk after cutting is put into furnace tube 33, and ignition, and cotton stalk is then piled furnace tube 33, in furnace tube 33
The round plate pressing plate that the honeycomb coaly of one piece of 25mm thickness is placed at the top of cotton stalk pushes down cotton stalk, starts air-introduced machine 7.It is by purification
System 6 is adjusted to experimental state.The aperture of 371 air inlet of the second fire door is adjusted between 30%~50%.
Third step pours into suitable water in the endless groove of 32 upside of furnace upper plate, and the lower end of top cover labyrinth 31 is placed on ring
On shape slot, 33 upper end of furnace tube is sealed.
4th step starts steam generator 1 and air blower 11, opens and adjust 13 aperture of steam control valve, allows vapor
Gasifying agent is sprayed onto oxide layer by first jet 24.
5th step puts burner 10, observes the color of flame, records the temperature ginseng of three second temperature sensors 351
Number records the flow parameter of gas flowmeter 8.
6th step after 33 fuel gasification of furnace tube, after 10 automatic distinguishing of device to be combusted, can open top cover labyrinth
31.Three, it is tested with gas retort 4
The first step gets out biomass fuel, and by taking cotton stalk as an example, the cotton stalk of natural drying is cut into 20~30mm
Length is spare.
Cotton stalk after cutting is put into destructive distillation furnace body 42 by second step, covers tightly gas retort bell 41, opens third combustion
Between gas outlet 411 and fuel gas pipeline 5 by gas control valve 51.
Third step, electric furnace pan 45 must be electric, and purification system 6 is adjusted to experimental state.Inlet and outlet on air-introduced machine 7 it
Between short circuit among valve open, air-introduced machine 7 is in shutdown status, allows after the fuel gasification in destructive distillation furnace body 42
Combustion gas passes through purification system 6 by the pressure of itself.
4th step adjusts the conduction time of electric furnace pan 45, is controlled in destructive distillation furnace body 42 by third temperature sensor
Temperature is at 500 DEG C ± 50 DEG C.
5th step puts burner 10, observes the color of flame, records the flow parameter of gas flowmeter 8.
6th step after destructive distillation, opens gas retort bell 41, and gas retort is rotated 90 ゜ around shaft 481, is then taken
Charcoal in gas retort out.
Above-mentioned down-draft type gasifying furnace, uniflow gas stove and gas retort when doing gasification experiment, three stoves need individually into
Row allows not having to vapor and cooks gasifying agent, only cooks gasifying agent with air.When needing to retain purified combustion gas, first by collecting pipe
Valve 92 is opened, then burner valve 93 is closed, and combustion gas collecting bag is sleeved on to the exit of combustion gas collecting pipe 91, collection
Combustion gas is for further chemical examination and analysis.
The above content not makes any form of restriction structure of the invention, shape.All skills according to the present invention
Art any simple modification, equivalent change and modification substantially to the above embodiments, still fall within technical solution of the present invention
In range.
Claims (8)
1. for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification, including steam generator (1), lower suction
Formula gasification furnace (2), uniflow gas stove (3), gas retort (4), fuel gas pipeline (5), purification system (6), air-introduced machine (7), gas
Flowmeter (8), combination water sealed tank (9) and burner (10), it is characterised in that:
The steam generator (1) is connected with down-draft type gasifying furnace (2) and uniflow gas stove (3) respectively by steam pipework (12)
It connects, and is equipped with an air blower (11) and several steam control valves (13) on steam pipework (12)；The purification system (6)
Including humidifying tower, a settling tank and three tar removing towers by fuel gas pipeline (5) concatenated three condensing towers, two washings；
The down-draft type gasifying furnace (2), uniflow gas stove (3) and gas retort (4) are connected in parallel on fuel gas pipeline by pipeline respectively
(5) front end；The purification system (6) is connected to the medium position of fuel gas pipeline (5), and air-introduced machine (7) is connected on purification system
It unites on the connecting line of (6), the end of the fuel gas pipeline (5) is sequentially connected gas flowmeter (8), combination water sealed tank respectively
(9) and burner (10)；
In the connecting tube of the down-draft type gasifying furnace (2), uniflow gas stove (3) and gas retort (4) and fuel gas pipeline (5) respectively
Equipped with a gas control valve (51), down-draft type gasifying furnace (2) is done respectively by controlling gas control valve (51), updraft type gasifies
The gasification experiment of the biomass fuel of furnace (3) and gas retort (4), and gas is passed through to gas-purification processing by purification system (6)
Flowmeter body (8) detects the flow of combustion gas, is equipped with back-fire relief stone and sealing structure for water in the combination water sealed tank (9), prevents burning
Device (10) tempering.
2. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: the down-draft type gasifying furnace (2) include furnace internal-lining pipe (21), upper lagging casing (22), the first gas outlet (23),
Several first jets (24), diversion pipe (25), middle lagging casing (26), the first fire grate (27), lower insulation shell (28) and
Pedestal (29)；The furnace internal-lining pipe (21) is the stainless steel tube for the heat-resisting material that inner wall attaches 30~50mm thickness, in the furnace
The outer sheath of bile duct (21) is loaded onto lagging casing (22), and the upper lagging casing (22) is located at the top of middle lagging casing (26),
The upper lagging casing (22), middle lagging casing (26) are the stainless steel tube of two-piece suit, and between two pieces stainless steel tube
Filling with insulation material, the lower end of upper lagging casing (22) and the upper end flanged joint of middle lagging casing (26)；The furnace internal-lining
Manage the lower end connection the first fire grate (27) and diversion pipe (25), the diversion pipe (25) and furnace internal-lining pipe (21) outer diameter phase of (21)
Together, gap is equipped between diversion pipe (25), furnace internal-lining pipe (21) and upper lagging casing (22), middle lagging casing (26), it is described
Gap is blast tube；First gas outlet (23) be connected to the top of lagging casing (22) and with the blast tube
Perforation；The longitudinal middle part of the furnace internal-lining pipe (21) is set there are three the first temperature sensor (221), and three first temperature pass
Sensor (221) is separately mounted in the different height of the first fire grate of distance (27), is gone back when detecting biomass fuel gasifying respectively
Former layer, oxide layer, the temperature of pyrolytic layer；Several first jets (24) are connected on the furnace internal-lining pipe (21), it is described several
A first jet (24) is respectively distributed to the first fire grate of distance (27) from the circumference down to high three different cross sections, leads to
First jet (24) is crossed to connect with steam pipework (12)；The lower part outer circle of the middle lagging casing (26) is equipped with the first fire door
(261), first fire door (261) penetrates through with the Dust Storage Room below diversion pipe (25), and the first fire door (261) is equipped with close
The fire door cover board of packing；The upper end of the lower insulation shell (28) and the lower end flanged joint of middle lagging casing (26), it is described
Lower insulation shell (28) is mounted on the upper side of pedestal (29).
3. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: the uniflow gas stove (3) includes that top cover labyrinth (31), furnace upper plate (32), furnace tube (33), the second combustion gas go out
Mouth (34), top stove outer covering (35), the second fire grate (36), lower part stove outer covering (37), several second nozzles (38) and furnace branch
Frame (39)；The furnace upper plate (32) is circular ring shape, is equipped with the endless groove being filled with water on the upside of furnace upper plate (32), under top cover labyrinth (31)
End is placed on endless groove, and the upper end of furnace tube (33) and top stove outer covering (35) is separately connected on the downside of furnace upper plate (32), and
Top stove outer covering (35) is sleeved on the outside of furnace tube (33)；Second gas outlet (34) is connected to top stove outer covering (35)
Upper end outer circle on, set in the outer circle of a cross section between 20~40mm of upper end of the furnace tube (33) apart from furnace upper plate (32)
There are several ventholes being uniformly distributed along the circumference, is set between furnace tube (33) and top stove outer covering (35) and at the position of venthole
There is ring-shaped air chamber, second gas outlet (34) and ring-shaped air chamber penetrate through, the lower section filling with insulation material of the ring-shaped air chamber；
The lower end of furnace tube (33) connects the second fire grate (36)；The upper end of the lower part stove outer covering (37) and top stove outer covering (35)
Lower end flanged joint is equipped with the second fire door (371) in the downside outer circle of lower part stove outer covering (37)；The furnace tube (33)
Longitudinal middle part is set there are three second temperature sensor (351), and three second temperature sensors (351) are separately mounted to distance
In the different height of second fire grate (36), reduction zone, oxide layer, the temperature of pyrolytic layer when detecting biomass fuel gasifying respectively
Degree；Several second nozzles (38) are connected on the furnace tube (33), several described second nozzles (38) are distributed in distance
Two fire grates (36) from the circumference down to high three different cross sections, by with second nozzle (38) and steam pipework (12)
Connection.
4. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: the gas retort (4) includes gas retort bell (41), destructive distillation furnace body (42), upper thermal insulation layer (43), upper insulation cladding
Body (44), electric furnace pan (45), lower thermal insulation layer (46), lower insulation shell (47) and destructive distillation furnace cradle (48)；The gas retort bell
(41) the upper end flanged joint of lower end and destructive distillation furnace body (42) connects resistance to height in the outer circle of the destructive distillation furnace body (42)
The upper thermal insulation layer (43) of adiabator production, set loads onto insulation shell (44) in upper thermal insulation layer (43) outer circle；The gas retort
Electric furnace pan (45) are placed in the lower section of furnace body (42), and the electric furnace pan (45) is mounted on the lower thermal insulation layer (46) below electric furnace pan (45)
On, lower thermal insulation layer (46) is mounted on lower insulation shell (47), the lower end of the upper insulation shell (44) and lower insulation shell
(47) upper end flanged joint；The middle position of the upper end of the gas retort bell (41) is equipped with third gas outlet (411),
The two sides of the third gas outlet (411) are respectively equipped with a third temperature sensor interface (412) and a pressure gauge connects
Mouth (413)；The upper end of the destructive distillation furnace cradle (48) is set there are two bearing block (482), and described two bearing blocks (482) are interior respectively
Equipped with a shaft (481), the shaft (481) is connected in the top outer circle of insulation shell (44), the gas retort (4)
Horizontal position can be rotated to from vertical position around shaft (481).
5. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: three condensing towers are respectively level-one condensing tower (61), B-grade condensation tower (62) and three-level condensing tower (63), institute
Stating level-one condensing tower (61) internal structure is that lower part is divided into cyclone dust removal structure, and top is divided into the condensation structure with water interlayer；
The B-grade condensation tower (62) and three-level condensing tower (63) are multitube vapor liquid heat exchange structure, under three condensing towers
End bottom is equipped with dust discharge valve.
6. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: described two washing humidification towers are respectively that one-stage water wash humidification tower (64) and second level washing humidify tower (65), described
It is the washing structure equipped with water mist spraying head that one-stage water wash, which humidifies tower (64) and second level washing humidification tower (65),；The settling tank is
It precipitates transfer tank (66), is the impurity and water of precipitating on the downside of precipitating transfer tank (66), combustion gas passes through from upside.
7. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: three tar removing towers are respectively to devoke oil analysis tower (67), air film tar filtration tank (68) and tar adsorption
Filtration tank (69)；It is vane type rotating centrifugal structure, the air film tar filtration tank inside the decoking oil analysis tower (67)
It (68) is air film filter structure, the tar adsorption filtration tank (69) is the filtering adsorption structure of built-in active carbon.
8. it is according to claim 1 for imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification,
Be characterized in that: the combustion gas of connection one vertically downward is received in the connecting tube between combination water sealed tank (9) and burner (10)
Collector (91), connects a collections tube valve (92) on the combustion gas collecting pipe (91), combustion gas collecting pipe (91) upper end and
A burner valve (93) is connected in the connecting tube of burner (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811199889.5A CN109111937A (en) | 2018-10-16 | 2018-10-16 | For imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification |
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| CN201811199889.5A CN109111937A (en) | 2018-10-16 | 2018-10-16 | For imparting knowledge to students or the biomass pyrolytic of scientific research and the charcoal gas-liquid combined production device of gasification |
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