CN209442919U - A kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus - Google Patents
A kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus Download PDFInfo
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- CN209442919U CN209442919U CN201821318930.1U CN201821318930U CN209442919U CN 209442919 U CN209442919 U CN 209442919U CN 201821318930 U CN201821318930 U CN 201821318930U CN 209442919 U CN209442919 U CN 209442919U
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- 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
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Abstract
A kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus, including pyrolysis oven and aerial cooler, closed cavity is formed between the outer case (16) and internal box (17) of aerial cooler, closed cylinder (18) are provided in internal box (17), it is cooling deflector (19) that multi-layer air is provided between internal box (17) and cylinder (18), air cooling deflector (19) is open at one end and cylinder (18) inner cavity connection, cooling deflector (19) another end opening of air are connected to the cavity between outer case (16) and internal box (17)；Middle part is provided with inner cylinder (2) and outer cylinder (3) in the furnace body (1) of pyrolysis oven, and the feed inlet of corresponding furnace body (1) is provided with tapered material distributor (4) at the top of inner cylinder (2), and the secondary thermal decomposition tube of pyrolysis gas (5) is provided in inner cylinder (2).Heat transfer interaction, heating efficiency is high, realizes the cascade utilization of energy.
Description
Technical field
The utility model relates to a kind of pyrolysis furnace apparatus, more specifically to a kind of self weight spiral progressive biomass is high
Effect energy conservation pyrolysis furnace apparatus, belongs to biomass energy technology field.
Background technique
Biomass is to absorb the organic substance that Carbon Dioxide in Air generates by photosynthesis.Its is widely distributed, can benefit
Dosage is big and is unique reproducible containing hydrocarbon component and thermal energy, storable natural fuel.
A kind of transformation technology of the biomass pyrolytic technology as clean and effective, can produce bio-natural gas, bio oil, life
The different fuel such as object charcoal or chemistry, material articles, are worldwide focus on research direction.Currently, generalling use outer heat
Device heat-exchanging process is solved, because the residence time is short in pyrolysis oven, material and furnace body heat exchange area are little for material, pyrolysis is caused not filled
Divide, the reaction time is longer, gas componant is complicated, fuel gases calorific value is not high, liquid and solid product quality are lower；Therefore its production effect
Rate is low, and device is more and complicated, and investment, operation, maintenance cost are high, significantly limits the popularization and application of biomass pyrolytic technology.
Summary of the invention
The purpose of this utility model is that the low, device for production efficiency existing for existing outer pyrolysis installation heat-exchanging process
The problems such as mostly complicated, at high cost, provides a kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus.
To achieve the above object, institute is the utility model using technical solution: a kind of self weight spiral progressive biology
The energy-efficient pyrolysis furnace apparatus of matter, including pyrolysis oven and aerial cooler, the pyrolysis furnace bottom biomass carbon discharge port with
The connection of aerial cooler top material inlet.
The aerial cooler includes outer case and internal box, is formed between the outer case and internal box closed
Cavity is provided with closed cylinder in the internal box, and it is cooling that multi-layer air is provided between the internal box and cylinder
Deflector, the cooling deflector of the air are the cored slab of both ends open, the cooling deflector of air it is open at one end in cylinder
Chamber connection, the cooling another end opening of deflector of air are connected to the cavity between outer case and internal box, the outer case bottom
Portion is provided with the cold air nature suction inlet that the cavity between outer case and internal box is connected to, outer case top be provided with outside
The heated air outlet of cavity connection between cabinet and internal box, corresponds to adjacent vacant in the cavity between outer case and internal box
Air cooling deflector is provided with isolation board.
The pyrolysis oven includes furnace body, and feed inlet is provided at the top of the furnace body, in furnace body middle part be provided with inner cylinder and
Outer cylinder, the inner cylinder cylinder are nested in outer cylinder, and the feed inlet of corresponding furnace body is provided with tapered material distributor, inner cylinder at the top of inner cylinder
In be provided with the secondary thermal decomposition tube of pyrolysis gas, the inner cavity of the inner cylinder is not connected to the inner cavity of the secondary thermal decomposition tube of pyrolysis gas, described
The secondary pyrolysis tube top portion of pyrolysis gas is outlet, and the secondary pyrolysis bottom of the tube of pyrolysis gas is import, and the upper of furnace body is provided with heat
It vents one's spleen outlet and exhanst gas outlet, lower portion of furnace body is provided with hot fume import, the secondary thermal decomposition tube outlet of pyrolysis gas and pyrolysis gas outlet
Connection, exhanst gas outlet and hot fume import are connected to interior tube inner chamber.
The helical structure that multiple groups are staggered to form up and down by multilayer flue gas guide plate is provided between the outer cylinder and inner cylinder,
The flue gas guide plate is the cored slab of both ends open, and flue gas guide plate is open at one end and interior tube inner chamber connection, flue gas are oriented to
Another end opening of plate is connected to the cavity between furnace body and outer cylinder, is provided between furnace body and outer cylinder every two layers of flue gas guide plate
Outer kicker baffle is provided with interior kicker baffle every two layers of flue gas guide plate between inner barrel and outer barrel, and outer kicker baffle and interior
It is staggered, is connected between the exhanst gas outlet and interior tube inner chamber by top layer's flue gas guide plate, institute between kicker baffle
It is connected between the hot fume import stated and interior tube inner chamber by bottom flue gas guide plate.
It is 10 degree with angle between neighbouring flue gas guide plate is organized.
The corresponding secondary pyrolysis tube top portion outlet of pyrolysis gas is provided with combustion gas guide plate, the combustion between outer cylinder and inner cylinder
Gas guide plate is the cored slab of both ends open, and combustion gas guide plate is open at one end and secondary pyrolysis tube cavity connection of venting one's spleen, combustion gas are led
It is connected to another end opening of plate with the cavity between furnace body and outer cylinder.
Compared with prior art, the beneficial effects of the utility model are:
1, the helical structure that material and product are formed in pyrolysis oven by multilayer flue gas guide plate in the utility model according to
Moving blanking is carried out by own wt and whole inhomogeneities, realizes that material realizes continuous production by self gravity；Multilayer cigarette
Gas guide plate formed helical structure improve material heat exchange area, effectively shorten pyrolysis time, promoted fuel gases calorific value, material by
It is hot uniformly and sufficiently to react, improve material pyrolysis rate；And residence time of the material in pyrolysis oven is extended, make material reaction
More sufficiently；Simultaneously without complicated mechanical movement device, energy consumption is reduced, improves the reliability of system safe and stable operation.
2, in the utility model using multilayer flue gas guide plate formed helical structure improve material-heat-exchanging area, strengthen around
The dynamic inside and outside reaction of structure；Inside and outside portion's heating is carried out by the way of high-temperature flue gas baffling, promotes pyrolysis of the material in heating tube
Reaction, heating efficiency are high.It solves existing pyrolysis installation to exchange heat using half gasification direct-combustion and indirect external heating mode
The problem that existing heat exchange area is little, gas values are not high.
3, material is sufficiently pyrolyzed in pyrolysis oven in the utility model, and pyrolysis gas conveys downwards to be influenced to drop by air cooling
Temperature is influenced to carry out secondary pyrolytic reaction by reaction zone high temperature in the secondary thermal decomposition tube of pyrolysis gas, and pyrolysis gas trend is similar to U-shaped, is mentioned
High system overall heat exchange efficiency, effectively promotion fuel gases calorific value, output clean high-quality combustion gas.
4, inside and outside Synchronous Heating, lower layer's hot fume are carried out by the way of the heat exchange of high-temperature flue gas baffling in the utility model
The flue-gas temperature of import is high, is pyrolyzed material sufficiently, and upper layer flue-gas temperature is relatively low to make material carry out initial reaction, high temperature cigarette
Temperature gradually decreases gas from bottom to top in flue gas guide plate, be finally transported to drying oven and material hoisting system make full use of it is remaining
Heat；Pyrolysis gas is in the secondary thermal decomposition tube high temperature section generation secondary response of pyrolysis gas, upward discharge process to the secondary pyrolysis of pyrolysis gas
Pipe is outer to transmit heat, and temperature gradually decreases, and is finally transported to combustion furnace, boiler and the power supply heat supply of gas electricity generator multipath for steaming
Vapour improves comprehensive utilization value.Therefore entire pyrolysis oven heat transfer interaction, heating efficiency is high, realizes energy
Cascade utilization.
5, the temperature of biomass carbon is reduced in the utility model using aerial cooler, guarantees to obtain high-quality charcoal, mention
High product quality.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is aerial cooler structural schematic diagram in the utility model.
Fig. 3 is that pyrolysis oven hot fume moves towards schematic diagram in the utility model.
Fig. 4 is that inner cylinder hot fume moves towards figure in the utility model.
Fig. 5 is that outer cylinder hot fume moves towards figure in the utility model.
Fig. 6 is that pyrolysis oven pyrolysis gas moves towards schematic diagram in the utility model.
Fig. 7 is that inner cylinder pyrolysis gas moves towards figure in the utility model.
Fig. 8 is that outer cylinder pyrolysis gas moves towards figure in the utility model.
In figure, furnace body 1, inner cylinder 2, outer cylinder 3, tapered material distributor 4, the secondary thermal decomposition tube 5 of pyrolysis gas, pyrolysis gas outlet 6, flue gas
Outlet 7, hot fume import 8, flue gas guide plate 9, combustion gas guide plate 10, outer kicker baffle 11, interior kicker baffle 12, line level-sensing device
13, expansion joint 14, ash removing opening 15, outer case 16, internal box 17, cylinder 18, the cooling deflector 19 of air, heated air outlet
20, isolation board 21, air-cooled peep hole 22.
Specific embodiment
The utility model is described in further detail below in conjunction with Detailed description of the invention and specific embodiment.
Referring to Fig. 1, a kind of biomass high-efficiency energy-saving pyrolysis furnace apparatus, including pyrolysis oven and aerial cooler, the heat
Solution furnace bottom biomass carbon discharge port is connected to aerial cooler top material inlet.
Referring to fig. 2, the aerial cooler includes outer case 16 and internal box 17, the outer case 16 and internal box
Closed cavity is formed between 17, closed cylinder 18 is provided in the internal box 17, between internal box 16 and cylinder 17
Form charcoal channel.The cooling deflector 19 of multi-layer air, the sky are provided between the internal box 17 and cylinder 18
Air cooling deflector 19 is the cored slab of both ends open, and the cooling deflector 19 of air is open at one end with 18 inner cavity connection of cylinder, empty
Another end opening of air cooling deflector 19 is connected to the cavity between outer case 16 and internal box 17；The cooling deflector 19 of air is set
Count slabbing, be symmetrically arranged, can maximum area contacted with charcoal, reduce charcoal temperature, raising total energy approach
Rate.16 bottom of outer case is provided with the cold air that the cavity between outer case 16 and internal box 17 is connected to and sucks naturally
Mouthful, 16 top of outer case is provided with the heated air outlet 20 that the cavity between outer case 16 and internal box 17 is connected to, outer container
Adjacent vacant air cooling deflector 19 is corresponded in cavity between body 16 and internal box 17 is provided with isolation board 21.
Referring to Fig. 1, the pyrolysis oven includes furnace body 1, is provided with feed inlet at the top of the furnace body 1.Middle part is set in furnace body 1
It is equipped with inner cylinder 2 and outer cylinder 3,2 cylinder of inner cylinder is nested in cylinder 3 outside, and the feed inlet setting of furnace body 1 is corresponded at the top of inner cylinder 2
There is tapered material distributor 4.The secondary thermal decomposition tube 5 of pyrolysis gas, the inner cavity of the inner cylinder 2 and the secondary pyrolysis of pyrolysis gas are provided in inner cylinder 2
The inner cavity of pipe 5 is not connected to；At the top of the secondary thermal decomposition tube 5 of the pyrolysis gas for outlet, secondary 5 bottom of thermal decomposition tube of pyrolysis gas be into
Mouthful.1 top of furnace body is provided with pyrolysis gas outlet 6 and exhanst gas outlet 7, and 1 lower part of furnace body is provided with hot fume import 8, heat
Secondary thermal decomposition tube 5 of venting one's spleen is exported to be connected to pyrolysis gas outlet 6, and exhanst gas outlet 7 and hot fume import 8 are connected to 2 inner cavity of inner cylinder.
Referring to Fig. 1, specifically, being provided with multiple groups between the outer cylinder 3 and inner cylinder 2 by about 9 multilayer flue gas guide plate
The helical structure being staggered to form；The flue gas guide plate 9 be both ends open cored slab, flue gas guide plate 9 it is open at one end with
2 inner cavity connection of inner cylinder, another end opening of flue gas guide plate 9 are connected to the cavity between furnace body 1 and outer cylinder 3.Furnace body 1 and outer cylinder 3
Between two layers of flue gas guide plate 9 be provided with outer kicker baffle 11, every two layers of flue gas guide plate 9 between inner cylinder 2 and outer cylinder 3
It is provided with interior kicker baffle 12, and is staggered between outer kicker baffle 11 and interior kicker baffle 12；The exhanst gas outlet 7 with
It is connected between 2 inner cavity of inner cylinder by top layer's flue gas guide plate 9, by most between 2 inner cavity of the hot fume import 8 and inner cylinder
Bottom flue gas guide plate 9 is connected to.It further, is 10 degree with angle between neighbouring flue gas guide plate 9 is organized, so that together
Group flue gas guide plate 9 is rendered as a kind of gradual more moving helical structures on the whole.
Referring to Fig. 1, specifically, corresponding secondary 5 top exit of thermal decomposition tube of pyrolysis gas is provided between outer cylinder 3 and inner cylinder 2
Combustion gas guide plate 10, the combustion gas guide plate 10 be both ends open cored slab, combustion gas guide plate 10 it is open at one end with vent one's spleen
Secondary 5 inner cavity connection of thermal decomposition tube, another end opening of combustion gas guide plate 10 are connected to the cavity between furnace body 1 and outer cylinder 3.And inner cylinder
Combustion gas guide plate 10 is corresponded between 2 and outer cylinder 3 and flue gas guide plate 9 is provided with isolation guide plate.
Referring to Fig. 1, Fig. 3 to Fig. 5, this pyrolysis oven is by the heated flue gas guide plate 9 of high-temperature flue gas to biomass material
It exchanges heat, to realize the pyrolysis to biomass material；The flue gas guide plate 9 of cored slab structure is used for through hot fume, and
Hot fume is allowed to heat it.950 DEG C or so the hot fumes from combustion furnace enter this pyrolysis oven from hot fume import 8, from flue gas
7 outlets are exported, i.e. high-temperature flue gas makes it gradually by carrying out heat transfer to blocky biomass material from pyrolysis section bottom in and top out
Heating pyrolysis, final product are pyrolysis gas and pyrolytic carbon.11 oriented control flue gas of outer kicker baffle between inner cylinder 2 and outer cylinder 3
Circulation achievees the purpose that artificially to control hot fume heat exchange trend；So that hot fume is moved towards according to " Z " font to flue gas from bottom to up
Guide plate 9 is heated, and comes into contact in a large area biomass material with the flue gas guide plate 9 after heating, effectively realizes flue gas guiding
Heat transfer efficiency of the hot fume to material in plate 9.
Referring to Fig. 1, Fig. 6 to Fig. 8, this pyrolysis oven carries out moving blanking, the pyrolysis of generation along with material in pyrolysis oven
Gas transmits downwards；Being influenced flue-gas temperature by air cooling can reduce, and the pyrolysis gas temperature for being eventually collected in 1 lower part of furnace body is 300
DEG C~400 DEG C.Pyrolysis gas is gradually delivered up in the secondary thermal decomposition tube 5 of pyrolysis gas, and trend is similar U-shaped, and secondary thermal decomposition tube is high
Warm area is 500 DEG C~600 DEG C, and pyrolysis gas carries out secondary pyrolysis, and reaction is abundant；Pyrolysis gas is delivered up in the process constantly to pyrolysis
Furnace transmits heat, and temperature is gradually lowered to 400 DEG C or so, final pyrolysis gas from pyrolysis gas outlet 6 be transported to combustion furnace, boiler and
The equipment multipath such as gas electricity generator powers heat supply for steam, to improve pyrolysis gas comprehensive utilization value.
Referring to Fig. 1 to Fig. 8, when pyrolysis, biomass material is put into reach tapered material distributor 4 in pyrolysis oven first, bored
Biomass material can uniformly drop in the cavity between furnace body 1 and outer cylinder 3 under the action of shape tripper 4.Multilayer flue gas guiding
The helical structure that about 9 plate is staggered to form substantially increases material contact area in pyrolysis oven, makees material in self gravity
With lower realization successive reaction；Meanwhile 9 temperature of same layer flue gas guide plate difference, keep material reaction degree different, gravity is not
Uniformly make different parts material sinking speed different, avoids stopping state appearance.Into material initial water content in pyrolysis oven
It is 15% or so, by initial reaction, the secondary thermal decomposition tube gas in the flue gas and the secondary thermal decomposition tube 5 of pyrolysis gas in flue gas guide plate 9
It is warming up to 300-400 DEG C under the action of state product waste heat, is provided safeguard for the complete reaction of material；Reach using pyroreaction
500-600 DEG C, realize fully reacting.The charcoal to land from pyrolysis oven has very high temperature, after needing to be cooled to, ability
For using and storing；Aerial cooler tentatively cool down to charcoal, and detailed process is as follows: charcoal is from aerial cooler
The material inlet in portion enters in internal box 17, and cold air enters in the cooling deflector 19 of air, by the biology in internal box 17
Charcoal cools to 200-300 DEG C；Air temperature increases simultaneously, is transported in combustion furnace by heated air outlet 20, for burning
Furnace provides heat, realizes that energy recycles.
Referring to Fig. 1 to Fig. 8, the present apparatus changes production scale by the number of flue gas guide plate 9 in increase and decrease pyrolysis oven, realizes
Friction feeding, drying, stable pyrolysis are carried out to waste.The spiral knot formed in pyrolysis oven by multilayer flue gas guide plate 9
Structure carries out moving blanking by own wt and whole inhomogeneities, in the case where completely cutting off air conditions, realizes that material passes through itself weight
Power realizes continuous pyrolysis production, output solid-state charcoal.Inside and outside portion's heating is carried out by the way of baffling heat exchange inside and outside the high-temperature flue gas,
Heating efficiency is high, the macromolecular in secondary pyrolysis processing combustion gas, reduces combustion gas impurity and improves fuel gases calorific value, thus maximum
Limit promotes combustion gas quality, and output cleans high-quality combustion gas；It to heat supply, strile-backs, generate electricity and play preferable utilization, while by low temperature cigarette
Pneumatic transmission enters drying oven and makes full use of waste heat, and the step for realizing energy recycles；Realize effective integration and pyrolytic carbon, air lift
The integration operation of qualitative response, is conducive to the modified synergic and higher value application of charcoal, gas product, to improve Project Product
Quality and environmental benefit.And this system is easy to operate, high production efficiency, the adaptability of technology is wide, it is easy to accomplish modularized design；Drop
Low cost of investment and operation and maintenance cost, are of great significance to the popularization and application of biomass pyrolytic technology.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, above structure
It all shall be regarded as belonging to the protection scope of the utility model.
Claims (4)
1. a kind of self weight spiral progressive biomass high-efficiency energy-saving is pyrolyzed furnace apparatus, it is characterised in that: including pyrolysis oven and air
Cooler, the pyrolysis furnace bottom biomass carbon discharge port are connected to aerial cooler top material inlet, the pyrolysis
Furnace includes furnace body (1), and feed inlet is provided at the top of the furnace body (1), and middle part is provided with inner cylinder (2) and outer cylinder in furnace body (1)
(3), the inner cylinder (2) cylinder is nested in cylinder (3) outside, and the feed inlet of corresponding furnace body (1) is provided with taper at the top of inner cylinder (2)
Tripper (4) is provided with the secondary thermal decomposition tube of pyrolysis gas (5), the inner cavity of the inner cylinder (2) and pyrolysis gas second heat in inner cylinder (2)
The inner cavity of solution pipe (5) is not connected to, and is outlet, the secondary thermal decomposition tube of pyrolysis gas (5) bottom at the top of the secondary thermal decomposition tube of the pyrolysis gas (5)
Portion is import, and the furnace body (1) top is provided with pyrolysis gas outlet (6) and exhanst gas outlet (7), and furnace body (1) lower part is provided with
Hot fume import (8), the secondary thermal decomposition tube of pyrolysis gas (5) outlet are connected to pyrolysis gas outlet (6), exhanst gas outlet (7) and hot fume
Import (8) is connected to inner cylinder (2) inner cavity, is provided with multiple groups between the outer cylinder (3) and inner cylinder (2) and is oriented to by multilayer flue gas
The helical structure that plate (9) is staggered to form up and down, the flue gas guide plate (9) are the cored slab of both ends open, flue gas guide plate
(9) open at one end and inner cylinder (2) inner cavity connection, between another end opening of flue gas guide plate (9) and furnace body (1) and outer cylinder (3)
Cavity connection, is provided with outer kicker baffle (11), inner cylinder every two layers of flue gas guide plate (9) between furnace body (1) and outer cylinder (3)
(2) be provided with interior kicker baffle (12) between outer cylinder (3) every two layers of flue gas guide plate (9), and outer kicker baffle (11) and
It is staggered between interior kicker baffle (12), is led between the exhanst gas outlet (7) and inner cylinder (2) inner cavity by top layer's flue gas
It is connected to plate (9), is connected between the hot fume import (8) and inner cylinder (2) inner cavity by bottom flue gas guide plate (9).
2. a kind of self weight spiral progressive biomass high-efficiency energy-saving according to claim 1 is pyrolyzed furnace apparatus, feature exists
In: the aerial cooler include outer case (16) and internal box (17), the outer case (16) and internal box (17) it
Between form closed cavity, be provided in the internal box (17) closed cylinder (18), the internal box (17) and cylinder
Multi-layer air cooling deflector (19) is provided between body (18), the air cooling deflector (19) is the sky of both ends open
Core, air cooling deflector (19) is open at one end and cylinder (18) inner cavity connection, cooling deflector (19) other end of air are opened
Mouth is connected to the cavity between outer case (16) and internal box (17), and the outer case (16) bottom is provided with and outer case
(16) the cold air nature suction inlet of the cavity connection between internal box (17), outer case (16) top is provided with and outer case
(16) heated air outlet (20) of the cavity connection between internal box (17), between outer case (16) and internal box (17)
Adjacent vacant air cooling deflector (19) is corresponded in cavity is provided with isolation board (21).
3. a kind of self weight spiral progressive biomass high-efficiency energy-saving according to claim 1 is pyrolyzed furnace apparatus, feature exists
In: it is 10 degree with angle between neighbouring flue gas guide plate (9) is organized.
4. a kind of self weight spiral progressive biomass high-efficiency energy-saving according to claim 1 is pyrolyzed furnace apparatus, feature exists
In: the corresponding secondary thermal decomposition tube of pyrolysis gas (5) top exit is provided with combustion gas guide plate (10) between outer cylinder (3) and inner cylinder (2),
The combustion gas guide plate (10) is the cored slab of both ends open, combustion gas guide plate (10) it is open at one end with vent one's spleen secondary thermal decomposition tube
(5) inner cavity connection, the cavity between combustion gas guide plate (10) another end opening and furnace body (1) and outer cylinder (3) are connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318930.1U CN209442919U (en) | 2018-08-16 | 2018-08-16 | A kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318930.1U CN209442919U (en) | 2018-08-16 | 2018-08-16 | A kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus |
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| Publication Number | Publication Date |
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| CN209442919U true CN209442919U (en) | 2019-09-27 |
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| CN201821318930.1U Withdrawn - After Issue CN209442919U (en) | 2018-08-16 | 2018-08-16 | A kind of self weight spiral progressive biomass high-efficiency energy-saving pyrolysis furnace apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934941A (en) * | 2021-03-15 | 2021-06-11 | 东南大学 | Internal and external heating integrated soil thermal desorption device |
-
2018
- 2018-08-16 CN CN201821318930.1U patent/CN209442919U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934941A (en) * | 2021-03-15 | 2021-06-11 | 东南大学 | Internal and external heating integrated soil thermal desorption device |
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