CN106147810B - A kind of application method of pyrolysis installation - Google Patents
A kind of application method of pyrolysis installation Download PDFInfo
- Publication number
- CN106147810B CN106147810B CN201610518973.3A CN201610518973A CN106147810B CN 106147810 B CN106147810 B CN 106147810B CN 201610518973 A CN201610518973 A CN 201610518973A CN 106147810 B CN106147810 B CN 106147810B
- Authority
- CN
- China
- Prior art keywords
- pyrolysis
- tube section
- direct tube
- feed
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B49/00—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated
- C10B49/02—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge
- C10B49/04—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge while moving the solid material to be treated
- C10B49/08—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge while moving the solid material to be treated in dispersed form
- C10B49/12—Destructive distillation of solid carbonaceous materials by direct heating with heat-carrying agents including the partial combustion of the solid material to be treated with hot gases or vapours, e.g. hot gases obtained by partial combustion of the charge while moving the solid material to be treated in dispersed form by mixing tangentially, e.g. in vortex chambers
-
- 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 a kind of application method of pyrolysis installation, belong to the pyrolysis device in chemical industry.The application method of pyrolysis installation of the invention, comprising the following steps: step A, be passed through First air to a wind inlet, form eddy flow in pyrolysis oven；Step B, it is sent into pyrolysis feed to feed inlet, pyrolysis feed rotates under the action of eddy flow sinks to pyrolysis furnace bottom, and is pyrolyzed simultaneously；Step C, the solid product that pyrolysis generates constantly deposits to the discharge port of lower direct tube section lower end, is then transported to outside furnace by screw conveyor；It is pyrolyzed the gaseous product generated, is discharged into outside furnace by central tube；Step D, the air quantity of Secondary Air is adjusted, control is transported to the solid product diameter outside furnace less than 2mm by screw conveyor.The present invention mainly overcomes the deficiency that pyrolysis gas dustiness is big in the prior art.
Description
Technical field
The present invention relates to the pyrolysis devices in chemical industry, more specifically to a kind of user of pyrolysis installation
Method.
Background technique
Pyrolytic technique is that organic matter is heated to 500~1000 DEG C in the state of anaerobic or anoxic, is made in solid waste
Organic matter be converted into the depot energy based on combustion gas, fuel oil and pyrolytic carbon.Due to being anaerobic decay and reducing atmosphere,
It can reduce secondary pollution of the harmful components such as sulphur in waste, nitrogen, heavy metal to environment, be not necessarily to expensive air-washer in technique.
Combustion of fossil fuel has caused most of problem of environmental pollution, seriously affects people's lives quality, and biomass is made
The most attention of countries in the world is obtained for green regenerative energy sources, and biomass pyrogenation gasification technology is most widely used at present, most
Mature biomass thermal trans-utilization technology.It is counted according to National Development and Reform Committee, in 2013, domestic opposed plastic real consumption amount was
58790000 tons, domestic waste plastics recovery amount is 13,660,000 tons, and the rate of recovery is only 23%, with European and American developed countries there are still gap,
It and is then relatively high one of the recycling approach of benefit by waste plastics pyrolytic gas making.Biomass is although widely distributed, but unit
Quality calorific value is smaller, if a certain amount of waste plastics can be added in the raw material of gasification of biomass, not only can solve waste plastics
Caused white pollution problems, while the calorific value of pyrolysis gas of biomass can be improved.It as the above analysis, can will be biological
The raw materials such as matter, waste plastics, coal dust are pyrolyzed again after mixing according to a certain percentage, to produce satisfactory product.
Have a large amount of technical solutions about pyrolysis plant in the prior art to disclose, such as patent publication No.: CN 104164249
A, publication date: on November 26th, 2014, invention and created name are as follows: pyrolysis installation, this application discloses a kind of pyrolysis installation, packets
Include: pyrolysis oven, chiller assembly and gas reservoir, pyrolysis oven include furnace body, two drapery panels and heating radiation pipe, are set on furnace body
There is oil gas vent, two drapery panels are located in furnace body at interval in the up-down direction, and each drapery panel is equipped in thickness side
The multiple through-holes extended upward through, heating radiation pipe is located in furnace body and heating radiation pipe is located between two drapery panels.This application
The pyrolysis installation of case accelerates the heating of raw material and raw material is heated evenly, and no coking effectively increases single treatment amount, can
To make full use of the radiant heat of heating radiation pipe, the thermal efficiency of pyrolysis installation is improved.But the pyrolysis installation of this application with
Domestic existing most of pyrolysis plants are similar, gas, the solid product that pyrolytic process obtains after completing directly pass through pipeline into
Enter gas-solid separation equipment, on the one hand cause separation equipment load big, environment Dust Capacity is big, and production line is longer；Another aspect solid
Product is constantly worn in pipeline, and dust content in gas is caused to further increase, and is unfavorable for subsequent gas, separates admittedly
It carries out, and a large amount of solid products convey in the duct, easily cause line clogging, is unfavorable for guaranteeing the continuity of production.
Products therefrom carries out gas after completing for pyrolytic process, solid separates existing defect, in the prior art
It is proposed some improved technical solutions, such as patent publication No.: 101255341 A of CN, publication date: on September 3rd, 2008, invention
Create title are as follows: cyclone gasification furnace, this application discloses a kind of cyclone gasification furnace, furnace body is divided into the top part and the bottom part point, and top is to justify
Cylindricality, lower part are cone；Cylindrical combustion gasification room and cylindrical vaporizer is arranged in upper of furnace body；Circular cone is arranged in lower portion of furnace body
Shape vaporizer；Dust block board is arranged in cylindrical vaporizer internal upper part, and exhanst gas outlet is arranged in top；Cylindrical combustion gasification room top is set
It sets fuel inlet and is arranged with furnace wall tangent line, hot-wire ignition device is set in fuel inlet；Water is set in the middle part of conical vaporizer
Ash hole is arranged in vapour inlet, bottom；Cylindrical vaporizer is same with conical vaporizer in cylindrical combustion gasification room, and all
Axis arrangement.This application integrates combustion chamber and vaporizer, compact-sized, simple process, and manufacturing cost is lower.
For another example patent publication No.: 102206514 A of CN, publication date: on October 5th, 2011, invention and created name are as follows: two
Stage type biomass whirlwind high temperature pyrolysis gasification furnace, the gasification furnace of this application is by upper section whirlwind high temperature pyrolysis and gasification room, lower section water
Vapor spraying pyrolysis vaporizer and screw(-type) feeder, biogas discharge pipe, gaseous fuel high velocity burner, ash slag box group
At；When operation, gaseous fuel high velocity burner generates high temperature anaerobic flue gas, tangentially to enter whirlwind heat close to inner wall side spray at a high speed
Vaporizer is solved, strong whirlwind vortex is formed；Meanwhile biomass material falls into whirlwind pyrolysis vaporizer through screw(-type) feeder, with high temperature
Flue gas mixing, is pyrolyzed heating, and wherein fixed carbon is gasified, and the biogas of generation is discharged through biogas discharge pipe；It is raw
Water supply is heated to be vapor through heat exchanger by substance gas；Vapor is through enturi tube to enter vapor spray pyrolysis vaporizer, will
The further pyrolytic gasification of carbon residue, the lime-ash eventually formed are discharged into ash slag box.This application can be greatly reduced in biogas
The content of tar realizes the effective use of biomass energy.
Both the above pyrolysis plant all uses whirlwind pyrolytic technique, i.e. raw material is carried out in pyrolysis oven by eddy flow on one side
Gas, solid product after pyrolysis is directly separated by pyrolysis on one side, although the process for reducing subsequent gas, separating admittedly, greatly improved
Economic benefit, there is also the following technological deficiencies for being difficult to overcome: although this whirlwind pyrolytic technique can will be in product
Gas is directly separated admittedly, but by actually detected discovery, in the pyrolysis gas separated using whirlwind pyrolytic technique still
It is a variety of in subsequent processing it is generally necessary to carry out dedusting step by step to pyrolysis gas using distinct device comprising a large amount of dust particles
Occupation area of equipment is wide, increases production cost.
It is to need to overcome in the prior art in conclusion how to overcome the shortcomings of that pyrolysis gas dustiness is big in the prior art
Technological deficiency.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome the shortcomings of that pyrolysis gas dustiness is big in the prior art, provides a kind of pyrolysis installation
Application method.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
Pyrolysis installation of the invention, comprising:
Pyrolysis oven, the pyrolysis oven include the upper direct tube section being sequentially communicated from top to bottom, converging transition and lower direct tube section, described
The top-side of upper direct tube section is circumferentially arranged at least two wind inlets, and the top of a wind inlet and upper direct tube section
Portion side is nontangential；
Central tube, the central tube protrude into the inside of the upper direct tube section, and the central axes of the central tube from top to bottom
It is overlapped with the central axes of the upper direct tube section.
Inventor has found that the top-side of a wind inlet and upper direct tube section is nontangential, can make one by experimental summary
When secondary wind is entered in pyrolysis oven from a wind inlet, First air has the component velocity along upper direct tube section radial direction, so that once
The eddy flow that wind is formed in upper direct tube section is not close to the inner wall of upper direct tube section, substantially reduces the flow resistance of eddy flow, compared to
First air tangentially enters the traditional approach in pyrolysis oven, and the swirl strength of generation enhances 10~15%, is conducive in pyrolysis oven
The abundant progress of pyrolytic process improves pyrolysis efficiency.
As further improvement of the present invention, normal of the upper direct tube section top-side a wind inlet junction
Angle with First air inlet length direction is α, and 55 °≤α≤85 °.
Wherein, by the angle of α be arranged it is too small when, First air can be made excessive along the component velocity of upper direct tube section radial direction, no
Conducive to the generation of eddy flow, and allow to generate eddy flow, the intensity of eddy flow will not be too big；Inventor sends out by experimental summary
It is existing, the size of α is arranged at 55 °~85 °, can effectively generate eddy flow, avoid the friction of eddy flow Yu upper direct tube section inner wall, again
It can guarantee that eddy flow has certain intensity, meet the use demand of pyrolytic process.
As further improvement of the present invention, further includes:
Feed inlet, the top-side of the upper direct tube section is circumferentially arranged at least two feed inlets, and at the top of upper direct tube section
Side is similarly α in the normal of feed inlet junction and the angle of feed inlet length direction, and each feed inlet is respectively and individually
The connection of feedstock transportation mechanism；
Thermocouple, the top inner wall of the upper direct tube section are equipped with a thermocouple, set in the top inner wall of the central tube
There is a thermocouple, the inner wall of the converging transition is equipped with a thermocouple；
It is equipped with high aluminium brick layer on the inner wall of the pyrolysis oven, heat-preservation cotton layer is equipped on the outer wall of the pyrolysis oven.
During different raw materials is sent into upper direct tube section, some raw materials should not mix in advance and concentrate investment again
Into upper direct tube section, such as the raw material of certain high moisture contents and the raw material of certain low moisture contents, by high moisture content
Raw material or the raw material of low moisture content be sent into upper direct tube section and be easier separately through feedstock transportation mechanism, but once will
The two mixes in advance, will form the biggish slurry of viscosity, which is easy to be bonded in feedstock transportation mechanism, is unfavorable for raw material
Conveying.In order to overcome above-mentioned similar situation, each feed inlet is connected with individual feedstock transportation mechanism respectively in the present invention
It connects, so that different raw materials is separately admitted in direct tube section, avoids the problem that raw material is pre-mixed in advance and bring.
As further improvement of the present invention, further includes:
Discharge port, the discharge port are connected to the lower end of the lower direct tube section；
Screw conveyor, the screw conveyor are driven by driving motor, the lower end of the discharge port and helical feed
Machine connection；The screw conveyor tilts upwards, and the length direction of screw conveyor and the angle of horizontal plane be 30 °~
65°。
Since the lower end of discharge port is directly connected to screw conveyor, and screw conveyor tilts upwards, works as spiral transferring
When sending machine conveying solid substance product, solid product under gravity, dense accumulation downwards so that screw conveyor have from
Sealing function, pyrolysis gas can not easily pass through screw conveyor and be discharged, and greatly reinforced the air-tightness of pyrolysis installation, improved
Gas, the effect separated admittedly, meanwhile, the present invention in by the angle of the length direction of screw conveyor and horizontal plane be set as 30 °~
65 °, it on the one hand ensure that screw conveyor to the sealing effect of pyrolysis gas, on the other hand also ensures the conveying of screw conveyor
Effect.
As further improvement of the present invention, further includes:
Feed inlet, at least two feed inlets are set in turn in the side of the upper direct tube section from top to bottom；
Pyrolysis feed is classified as different batches according to particle size by screening mechanism, the screening mechanism, different batches
Pyrolysis feed is admitted to the feed inlet of different height respectively.
In the present invention, be arranged in the lower feed inlet of upper direct tube section lateral location and the smaller pyrolysis feed of size by into
The corresponding connection of expects pipe, since the size of raw material is smaller, specific surface area is generally relatively large, is conducive to its heat absorption pyrolysis, pyrolysis
Fast speed, it is therefore, in the present invention, larger-size pyrolysis feed is excellent by the upper higher feed inlet of direct tube section lateral location
It is first sent into upper direct tube section and is pyrolyzed, an air temperature of contact is higher, and pyrolysis time is relatively long, can fully ensure that
The pyrolysis effect of the larger pyrolysis feed of size；The lesser pyrolysis feed of size is passed through into the upper lower charging of direct tube section lateral location
Mouth is sent into upper direct tube section and is pyrolyzed, and can also guarantee the pyrolysis effect of the smaller raw material of size.
As further improvement of the present invention, further includes:
Spheroid, the spheroid is located at the lower section of the central tube, and the center is protruded into the upper end of the spheroid
The inside of cylinder.
When entrance enters inside central tube below central tube, circulation area suddenly subtracts pyrolysis gas containing dust particles
Small, pyrolysis gas flowing velocity increases, but the dust particles in pyrolysis gas are since density is relatively large, can not under effect of inertia
Speedup immediately, so that the speed difference of pyrolysis gas herein and dust particles be caused to increase, due to wall attachment effect, flowing velocity is relatively
Slow dust particles, which can adhere to, is deposited to spheroid surface, eventually falls into lower direct tube section lower end and is collected, thus in central tube
Upper end is collected into purer pyrolysis gas, and the Dust Capacity in the pyrolysis gas significantly reduces.
As further improvement of the present invention, further includes:
Secondary air inlet, the secondary air inlet is circumferentially arranged along the side of the converging transition, and converging transition side is two
The normal of secondary wind inlet junction and the angle of secondary air inlet length direction are similarly α.
By rationally adjusting the air quantity and wind-warm syndrome of Secondary Air, the temperature gradient that can optimize entirety inside pyrolysis oven is configured,
The pyrolysis rate of raw material is further increased, improves pyrolysis efficiency, it is ensured that raw material is pyrolyzed completely.In the present invention, secondary air inlet
Secondary Air is provided, being therefore mainly used to reinforcing raw material can flexibly open and close in actual production in the pyrolysis effect of converging transition.
As further improvement of the present invention, a wind inlet and secondary air inlet pass through respectively pipeline with it is same
A air heat-exchange mechanism is connected.
In the present invention, a wind inlet and secondary air inlet pass through pipeline respectively and are connected with the same air heat-exchange mechanism,
Cold air, which enters after air heat-exchange mechanism, is heated to be hot-air, and hot-air is divided into First air, Secondary Air by part flow arrangement, and one
Secondary wind, Secondary Air pass through independent pipeline a to wind inlet 2 and secondary air inlet 6 respectively.
As further improvement of the present invention, further includes:
Connector, one end of the connector and the upper end of spheroid are connected, the other end and central tube of the connector
Lower inner wall be connected；
The depth that the central tube protrudes into inside the upper direct tube section is a wind inlet and the upper direct tube section top
2.0~3.5 times of distance between end；
The internal diameter of the upper direct tube section is 3.0~5.0 times of the central tube internal diameter；
The surface of the spheroid is coated with non-sticking lining, and the inner-wall spraying of the central tube has non-sticking lining.
In the present invention, it is a wind inlet and upper direct tube section top that central tube, which is protruded into the depth design inside upper direct tube section,
Between 2.0~3.5 times of distance, First air can be prevented by " short circuit " and the separation of pyrolysis gas discharge；By upper direct tube section
Internal diameter be designed as 3.0~5.0 times of central tube internal diameter, can be by pyrolysis gas flow control in the reasonable scope, it is ensured that pyrolysis
Gas is pure, efficiently separation is discharged；Spheroid 7 surface spray non-sticking lining, it can be ensured that spheroid surface it is smooth, have
It plays one's part to the full conducive to wall attachment effect, substantially reduces the content of dust particles in final obtained pyrolysis gas；In central tube
Wall spray non-sticking lining, it is ensured that central tube inner wall it is smooth, avoid blocking, be conducive to pyrolysis gas and be smoothly through.
The application method of pyrolysis installation of the invention, comprising the following steps:
Step A, it is passed through First air to a wind inlet, forms eddy flow in pyrolysis oven；
Step B, it is sent into pyrolysis feed to feed inlet, pyrolysis feed rotates under the action of eddy flow sinks to pyrolysis oven bottom
Portion, and be pyrolyzed simultaneously；
Step C, the solid product that pyrolysis generates constantly deposits to the discharge port of lower direct tube section lower end, then by helical feed
Machine is transported to outside furnace；It is pyrolyzed the gaseous product generated, is discharged into outside furnace by central tube；
Step D, the air quantity of Secondary Air is adjusted, control is less than by the solid product diameter that screw conveyor is transported to outside furnace
2mm。
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result:
(1) compared to traditional long process operation, pyrolysis installation of the invention is directly separated gas production in pyrolytic process
Object, solid product, the bulky grain solid product after pyrolysis are constantly deposited to going out for lower direct tube section lower end by gravity and centrifugal force
Material mouth is transported to outside furnace with screw conveyor, entrainment of a large amount of little particle dust in pyrogenous origin gaseous product, small
Grain dust is by wall attachment effect, in the continuous adventitious deposit in spheroid surface, significantly reduces the dust-laden in final obtained pyrolysis gas
Amount, the dust-laden compared to the pyrolysis gas that existing whirlwind pyrolytic technique is separated, using pyrolysis installation of the invention, in pyrolysis gas
Amount is opposite to reduce 20~35%；Meanwhile using pyrolysis installation of the invention, traditional gas can be reduced, consolidate separation equipment about 70%
Load also partially solves the problems, such as pipeline obstruction, abrasion, reduces the abrasion of the products such as semicoke, and shorten technique stream
Journey reduces the power of cleaner, reduces equipment loss, reduces plant maintenance frequency, is suitble to industry energy conservation transformation.
(2) in the present invention, multiply First air enters pyrolysis oven along certain angle on the circumference of upper direct tube section top-side
It is interior, eddy flow is formed in pyrolysis oven, raw material is heated, both increased the mixability of First air and raw material, also extended original
Material residence time in furnace, moreover it is possible to reduce abrasion of the raw material to pyrolysis oven inner wall, not only save operating cost, also improve
Production efficiency, it is contemplated that production system synthesis energy saving rate is 20% or so.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the pyrolysis installation of embodiment 1；
Fig. 2 be Fig. 1 in along A-A to schematic cross-sectional view；
Fig. 3 is the structural schematic diagram of the pyrolysis installation of embodiment 2；
Fig. 4 is the flow chart of the application method of the pyrolysis installation of embodiment 5.
Label declaration in schematic diagram:
1, feed inlet；2, a wind inlet；3, pyrolysis oven；4, central tube；5, connector；6, secondary air inlet；7, ellipsoid
Body；8, discharge port；9, screw conveyor；10, driving motor.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Therefore, below to the embodiment of the present invention provided in the accompanying drawings
Detailed description be not intended to limit the range of claimed invention, but be merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, cannot
It is interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " etc. shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or
It is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be by between intermediary
It connects connected, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition
The concrete meaning of above-mentioned term in the present invention.
Pyrolytic technique is that organic matter is heated to 500~1000 DEG C in the state of anaerobic or anoxic, is made in solid waste
Organic matter be converted into the depot energy based on combustion gas, fuel oil and pyrolytic carbon.Due to being anaerobic decay and reducing atmosphere,
It can reduce secondary pollution of the harmful components such as sulphur in waste, nitrogen, heavy metal to environment, be not necessarily to expensive air-washer in technique.
It is pyrolyzed again after in the prior art usually mixing the raw materials such as biomass, waste plastics, coal dust according to a certain percentage, to produce symbol
Close desired product.Domestic existing most of pyrolysis plants, it is directly logical that pyrolytic process completes the gas obtained later, solid product
Piping enters gas-solid separation equipment, on the one hand causes separation equipment load big, and environment Dust Capacity is big, and production line is longer；It is another
Aspect solid product is constantly worn in pipeline, and dust content in gas is caused to further increase, be unfavorable for subsequent gas,
Admittedly the progress separated, and a large amount of solid products convey in the duct, easily cause line clogging, are unfavorable for guaranteeing the continuous of production
Property.In view of the above deficiencies, in the prior art propose use whirlwind pyrolytic technique, i.e., raw material in pyrolysis oven by eddy flow one side into
Gas, solid product after pyrolysis is directly separated by row pyrolysis on one side, the process for reducing subsequent gas, separating admittedly, greatly improved through
Ji benefit.But there is also the following technological deficiencies for being difficult to overcome for whirlwind pyrolytic technique: although this whirlwind pyrolytic technique can
By in product gas, it is solid directly separate, but by actually detected discovery, the heat separated using whirlwind pyrolytic technique
It still include a large amount of dust particles in venting one's spleen, in subsequent processing it is generally necessary to be carried out step by step using distinct device to pyrolysis gas
Dedusting, plurality of devices occupied area is wide, increases production cost.Therefore, how to overcome in the prior art pyrolysis gas dustiness it is big
Deficiency, be the technical problem for needing to overcome in the prior art.
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
With reference to Fig. 1~2, the pyrolysis installation of the present embodiment, comprising: pyrolysis oven 3, pyrolysis oven 3 include successively connecting from top to bottom
Logical upper direct tube section, converging transition and lower direct tube section, the top-side of upper direct tube section is circumferentially arranged at least two wind inlets 2
(wind inlet 2 there are four being set in specific the present embodiment), and the top-side of a wind inlet 2 and upper direct tube section is nontangential；
Central tube 4, central tube 4 protrude into the inside of direct tube section, and the central axes of the central axes of central tube 4 and upper direct tube section from top to bottom
It is overlapped.
In the present embodiment, the top-side of upper direct tube section circumferentially arranged at least two wind inlets 2, and First air into
Mouth 2 is nontangential with the top-side of upper direct tube section, wherein inventor is by experimental summary discovery, a wind inlet 2 and upper straight tube
The top-side of section is nontangential, and when First air can be made to enter in pyrolysis oven 3 from a wind inlet 2, First air has along upper straight
The component velocity of cylinder section radial direction, so that the eddy flow that First air is formed in upper direct tube section is not close to the inner wall of upper direct tube section, greatly
The flow resistance for reducing eddy flow greatly, the traditional approach in pyrolysis oven 3, the swirl strength of generation are tangentially entered compared to First air
10~15% are enhanced, the abundant progress of pyrolytic process in pyrolysis oven 3 is conducive to, improves pyrolysis efficiency；Wherein, central tube 4 from
The inside that direct tube section is protruded under above is separated by the gaseous product drainage that central tube 4 is convenient to be pyrolyzed generation；
Wherein, pyrolysis oven 3 includes that upper direct tube section, converging transition and lower direct tube section, the pyrolytic process being sequentially communicated from top to bottom mainly occur
In upper direct tube section, converging transition is set in the lower section of upper direct tube section, since the communication port diameter of converging transition is gradually reduced from top to bottom,
Meeting is conducive to gaseous product along upper so that the gaseous product that a large amount of pyrolytic process generates generates the trend to raise up in converging transition
The central tube 4 of side is discharged.
The pyrolysis installation of the present embodiment, normal and First air of the upper direct tube section top-side 2 junction of wind inlet
The angle of 2 length direction of import is α, and 55 °≤α≤85 ° (55 ° are taken in specific the present embodiment).
Normal and the length of wind inlet 2 in the present embodiment, by upper direct tube section top-side 2 junction of wind inlet
The angle in degree direction is set as α, and 55 °≤α≤85 °；Wherein, by the angle of α be arranged it is too small when, First air can be made along upper
The component velocity of direct tube section radial direction is excessive, is unfavorable for the generation of eddy flow, and allows to generate eddy flow, and the intensity of eddy flow will not be too
Greatly；Inventor has found by experimental summary, and the size of α is arranged at 55 °~85 °, can effectively generate eddy flow, avoid eddy flow
With the friction of upper direct tube section inner wall, and can guarantee eddy flow have certain intensity, meet the use demand of pyrolytic process.
The pyrolysis installation of the present embodiment, further includes: feed inlet 1, the top-side of upper direct tube section is circumferentially arranged at least two
A feed inlet 1 (feed inlet 1 there are four being set in specific the present embodiment), and upper direct tube section top-side is in 1 junction of feed inlet
The angle of normal and 1 length direction of feed inlet is similarly α, and each feed inlet 1 is connect with individual feedstock transportation mechanism respectively；Heat
Galvanic couple, the top inner wall of upper direct tube section are equipped with a thermocouple, and the top inner wall of central tube 4 is equipped with a thermocouple, converging transition
Inner wall be equipped with a thermocouple；It is equipped with high aluminium brick layer on the inner wall of pyrolysis oven 3, heat preservation is equipped on the outer wall of pyrolysis oven 3
Cotton layer.
In the present embodiment, the setting form of feed inlet 1 is identical as a wind inlet 2, i.e., upper direct tube section top-side into
The normal of 1 junction of material mouth and the angle of 1 length direction of feed inlet are similarly α, wherein the setting form of feed inlet 1 and primary
Wind inlet 2 is identical, and being conducive to can be inside upper direct tube section by the smooth band of eddy flow from the raw material that feed inlet 1 enters in upper direct tube section
Dynamic rotation avoids raw material from rotating directly against the inner wall of upper direct tube section, reduces the abrasion of raw material and solid product, reduces dust
It measures, the intensity of direct tube section inward eddy in guarantee；And the circumferentially arranged feed inlet 1 of top-side of upper direct tube section, raw material by into
Material mouth 1 is dispersed inside the upper direct tube section of entrance, is conducive to the efficient progress of pyrolytic process；Different raw materials is being sent into
During in direct tube section, some raw materials should not be mixed to concentrate again in advance and be put into direct tube section, such as certain high
The raw material of the raw material of moisture content and certain low moisture contents, the raw material of the raw material of high moisture content or low moisture content is independent
Be sent into upper direct tube section and be easier by feedstock transportation mechanism, but once mix the two in advance, will be formed viscosity compared with
Big slurry, the slurry are easy to be bonded in feedstock transportation mechanism, are unfavorable for the conveying of raw material.In order to overcome above-mentioned similar feelings
Each feed inlet 1 is connect with individual feedstock transportation mechanism in the present embodiment, so that different raw materials is individually by condition respectively
Ground is admitted in direct tube section, is avoided the problem that raw material is pre-mixed in advance and is brought.When the temperature in pyrolysis oven 3 is too low, pyrolysis
Process can not be carried out efficiently, therefore, in the present embodiment, a thermocouple is equipped in the top inner wall of upper direct tube section, tapered
The inner wall of section is equipped with a thermocouple, and two thermocouples can timely detect the temperature in pyrolysis oven 3, it is ensured that pyrolysis
Carry out to processing efficient.When pyrolysis gas when the temperature is excessively high, certain ingredients in pyrolysis gas are easy to continue to be pyrolyzed, thus reduce most
The pyrolysis gas calorific value collected eventually, therefore the discharge temperature needs of pyrolysis gas are monitored and control, in the present embodiment, in central tube
4 top inner wall be equipped with a thermocouple, can the discharge temperature to pyrolysis gas timely monitored.Due to pyrolysis oven 3
Inner wall is in eddy flow, is easy to be worn, and is equipped with hard high aluminium brick layer in the present embodiment on the inner wall of pyrolysis oven 3, is slowed down
The abrasion of 3 inner wall of pyrolysis oven, meanwhile, it is equipped with heat-preservation cotton layer on the outer wall of pyrolysis oven 3, plays insulation effect.
The pyrolysis installation of the present embodiment, further includes: discharge port 8, discharge port 8 are connected to the lower end of lower direct tube section；Spiral transferring
Machine 9 is sent, screw conveyor 9 is driven by driving motor 10, and the lower end of discharge port 8 is connected to screw conveyor 9；Screw conveyor
9 tilt upwards, and the length direction of screw conveyor 9 and the angle of horizontal plane are 30 °~65 ° and (take in specific the present embodiment
30°)。
Existing whirlwind pyrolytic technique is difficult to overcome the problems, such as there is also following: gas, solid product are separated in eddy flow,
Flow perturbation is larger, and portion gas product is easy effectively be collected as solid product is discharged together, and gas admittedly separates
The effect is unsatisfactory, for this problem, in the present embodiment, and since the lower end of discharge port 8 is directly connected to screw conveyor 9,
And screw conveyor 9 tilts upwards, when 9 conveying solid substance product of screw conveyor, solid product under gravity, to
Lower section dense accumulation (i.e. screw conveyor 9 and 8 connectivity part direction of discharge port), so that screw conveyor 9 has self-sealing
Effect, pyrolysis gas can not easily pass through screw conveyor 9 and be discharged, and greatly reinforce the air-tightness of pyrolysis installation, improve gas,
Admittedly the effect separated, meanwhile, in the present embodiment by the angle of the length direction of screw conveyor 9 and horizontal plane be set as 30 °~
65 °, it on the one hand ensure that screw conveyor 9 to the sealing effect of pyrolysis gas, on the other hand also ensures the defeated of screw conveyor 9
Send effect.
Embodiment 2
With reference to Fig. 3, the pyrolysis installation of the present embodiment, structure is substantially the same manner as Example 1, the difference is that:
The pyrolysis installation of the present embodiment, further includes: feed inlet 1, at least two feed inlets 1 (have four in specific the present embodiment
A feed inlet 1) it is set in turn in the side of direct tube section from top to bottom；Screening mechanism, screening mechanism is by pyrolysis feed according to grain
Diameter size fractionation is different batches, and the pyrolysis feed of different batches is admitted to the feed inlet 1 of different height respectively.
In the present embodiment, pyrolysis feed is classified as different batches, the heat of different batches according to particle size by screening mechanism
Solution raw material is admitted to the feed inlet 1 of different height respectively, and at least two feed inlets 1 are set in turn in direct tube section from top to bottom
Side, specifically, the smaller pyrolysis feed batch of size is admitted to and the lower feed inlet 1 of upper direct tube section lateral location is arranged in,
Since the size of raw material is smaller, specific surface area is generally relatively large, is conducive to its heat absorption pyrolysis, and pyrolysis rate is very fast, therefore,
In the present embodiment, larger-size pyrolysis feed batch is sent into the upper higher feed inlet 1 of direct tube section lateral location, so that it connects
Air temperature of touching is higher, and pyrolysis time is relatively long, can fully ensure that the pyrolysis effect of the larger pyrolysis feed of size；It will
The lesser pyrolysis feed of size is sent into upper direct tube section by the lower feed inlet 1 of upper direct tube section lateral location and is pyrolyzed,
It can guarantee the pyrolysis effect of the smaller raw material of size.Meanwhile for the feed particles of certain enormous sizes, one side is too heavy can not
It is driven and rotates by eddy flow in pyrolysis oven 3, on the other hand the effect of its pyrolysis is undesirable, and pyrolysis efficiency is lower, and therefore, size is huge
Big underproof feed particles, which should not be sent directly into pyrolysis oven 3, to be pyrolyzed, direct by screening mechanism in the present embodiment
The underproof pyrolysis feed of enormous size is retained down, it is ensured that the size for the feed particles being admitted in pyrolysis oven 3 is being closed
In the range of reason, pyrolysis efficiency ensure that；Underproof feed particles huge for portion size can be by crushing device at
Reason is the pyrolysis feed of size qualification, and the inside for being re-fed into screening bucket 101 is used appropriately.
Embodiment 3
The pyrolysis installation of the present embodiment, structure is substantially the same manner as Example 1, the difference is that:
The pyrolysis installation of the present embodiment, further includes: spheroid 7, spheroid 7 are located at the lower section of central tube 4, and spheroid 7
Upper end protrude into the inside of central tube 4.
In the present embodiment, spheroid 7 is located at the lower section of central tube 4, and the inside of central tube 4 is protruded into the upper end of spheroid 7,
It is pyrolyzed in the pyrolysis gas completed and contains a large amount of dust particles, since the inside of central tube 4 is protruded into the upper end of spheroid 7,
When from entrance enters 4 inside of central tube below central tube 4, circulation area suddenly reduces pyrolysis gas containing dust particles, heat
Flowing velocity of venting one's spleen increases, but the dust particles in pyrolysis gas are since density is relatively large, can not be immediately under effect of inertia
Speedup, so that the speed difference of pyrolysis gas herein and dust particles be caused to increase, due to wall attachment effect, flowing velocity is relatively slow
Dust particles, which can adhere to, is deposited to 7 surface of spheroid, eventually falls into lower direct tube section lower end and is collected, thus on central tube 4
End is collected into purer pyrolysis gas, and the Dust Capacity in the pyrolysis gas significantly reduces；In addition, the surface area of entire spheroid 7 compared with
Greatly, the dust particles in pyrolysis oven 3 can slow down after encountering 7 surface of spheroid, therewith attachment sedimentation, be also beneficial to reduce pyrolysis gas
In dustiness.
Embodiment 4
The pyrolysis installation of the present embodiment, structure is substantially the same manner as Example 3, the difference is that:
The pyrolysis installation of the present embodiment, further includes: secondary air inlet 6, secondary air inlet 6 are circumferentially set along the side of converging transition
It sets, and converging transition side is similarly α in the normal of 6 junction of secondary air inlet and the angle of 6 length direction of secondary air inlet.
(herein, normal of the converging transition side in 6 junction of secondary air inlet refer on converging transition side 6 junction of secondary air inlet with
Line of the converging transition in the junction shaft section centre point.)
With the progress of pyrolytic process, gradually decreases, be unfavorable for from a downward temperature in 2 position of wind inlet in pyrolysis oven 3
The abundant pyrolysis of raw material, in the present embodiment, secondary air inlet 6 is circumferentially arranged along the side of converging transition, and converging transition side is two
The normal of secondary 6 junction of wind inlet and the angle of 6 length direction of secondary air inlet are similarly α, by rationally adjusting Secondary Air
Air quantity and wind-warm syndrome can optimize the whole temperature gradient configuration in 3 inside of pyrolysis oven, further increase the pyrolysis rate of raw material, mention
Height pyrolysis efficiency, it is ensured that raw material is pyrolyzed completely.In the present embodiment, secondary air inlet 6 provides Secondary Air, is mainly used to strengthen former
Expect therefore can flexibly open and close in actual production in the pyrolysis effect of converging transition.Meanwhile it can be by adjusting the wind of Secondary Air
Amount, control deposit to the discharge port 8 of lower direct tube section lower end, and it is straight with screw conveyor 9 to be transported to the solid product outside furnace
Diameter (partial size) be less than 2mm, with guarantee screw conveyor 9 self sealing action (because solid product be relatively large in diameter when, helical feed
9 content of machine is easily leaked out, and self sealing action just not can guarantee, and solid product diameter control is less than 2mm in the present embodiment, was both ensured
Pyrolysis efficiency, in turn ensures the self sealing action of screw conveyor 9).
Embodiment 5
The pyrolysis installation of the present embodiment, structure is substantially the same manner as Example 4, the difference is that:
The pyrolysis installation of the present embodiment, a wind inlet 2 and secondary air inlet 6 are changed by pipeline and the same air respectively
Heat engine structure is connected, and cold air is heated to be hot-air after entering air heat-exchange mechanism, and hot-air is divided into once by part flow arrangement
Wind, Secondary Air, First air, Secondary Air pass through independent pipeline a to wind inlet 2 and secondary air inlet 6 respectively.
With reference to Fig. 4, the application method of the pyrolysis installation of the present embodiment, comprising the following steps:
Step A, it is passed through First air to a wind inlet 2, forms eddy flow in pyrolysis oven 3；
Step B, it is sent into pyrolysis feed to feed inlet 1, pyrolysis feed rotates under the action of eddy flow sinks to 3 bottom of pyrolysis oven
Portion, and be pyrolyzed simultaneously；
Step C, the solid product that pyrolysis generates constantly deposits to the discharge port 8 of lower direct tube section lower end, then by spiral transferring
Machine 9 is sent to be transported to outside furnace；It is pyrolyzed the gaseous product generated, is discharged into outside furnace by central tube 4；
Step D, the air quantity of Secondary Air is adjusted, control is less than by the solid product diameter that screw conveyor 9 is transported to outside furnace
2mm。
Compared to traditional long process operation, the pyrolysis installation of the present embodiment is directly separated gas production in pyrolytic process
Object, solid product, the bulky grain solid product after pyrolysis are constantly deposited to going out for lower direct tube section lower end by gravity and centrifugal force
Material mouth 8 is transported to outside furnace with screw conveyor 9, small entrainment of a large amount of little particle dust in pyrogenous origin gaseous product
Granule dust is by wall attachment effect, in the continuous adventitious deposit in 7 surface of spheroid, significantly reduces containing in final obtained pyrolysis gas
Dust quantity, compared to the pyrolysis gas that existing whirlwind pyrolytic technique is separated, using the pyrolysis installation of the present embodiment, in pyrolysis gas
Dustiness is opposite to reduce 20~35%；Meanwhile using the pyrolysis installation of the present embodiment, traditional gas, solid separation equipment can be reduced about
70% load also partially solves the problems, such as pipeline obstruction, abrasion, reduces the abrasion of the products such as semicoke, and shorten
Process flow reduces the power of cleaner, reduces equipment loss, reduces plant maintenance frequency, is suitble to industry energy conservation transformation.
In the present embodiment, multiply First air enters pyrolysis oven 3 on the circumference of upper direct tube section top-side, along certain angle
It is interior, eddy flow is formed in pyrolysis oven 3, raw material is heated, both increased the mixability of First air and raw material, also extended
Raw material residence time in furnace, moreover it is possible to reduce abrasion of the raw material to 3 inner wall of pyrolysis oven, not only save operating cost, also mention
High production efficiency, it is contemplated that production system synthesis energy saving rate is 20% or so.
Embodiment 6
The pyrolysis installation of the present embodiment, structure is substantially the same manner as Example 5, the difference is that:
The pyrolysis installation of the present embodiment, further includes: connector 5, one end of connector 5 and the upper end of spheroid 7 are connected, even
The other end of fitting 5 and the lower inner wall of central tube 4 are connected；The depth that central tube 4 protrudes into inside direct tube section be First air into
2.0~3.5 times (2.0 times are taken in specific the present embodiment) of distance between mouth 2 and upper direct tube section top；The internal diameter of upper direct tube section is
3.0~5.0 times (3.0 times are taken in specific the present embodiment) of 4 internal diameter of central tube；The surface of spheroid 7 is coated with non-sticking lining, in
The inner-wall spraying of heart cylinder 4 has non-sticking lining.
In the present embodiment, spheroid 7 can be firmly secured to the lower section of central tube 4 by connector 5, pass through other
Spheroid 7 is fixed on 4 lower section of central tube by mode, is within the scope of protection of the invention；In the present embodiment, central tube 4 is stretched
Enter 2.0~3.5 times that the depth inside upper direct tube section is distance between a wind inlet 2 and upper direct tube section top, wherein center
The depth that cylinder 4 protrudes into inside direct tube section is excessively shallow, is easy to make First air by central tube 4 " short circuit ", central tube 4 protrudes into direct tube section
Internal depth is too deep, and is unfavorable for pyrolysis gas and is discharged by central tube 4, and therefore, inventor's binding isotherm calculates and practical work
Go out as performance summary, by central tube 4 protrude into the depth design inside upper direct tube section be wind inlet 2 and upper direct tube section top it
Between 2.0~3.5 times of distance, First air can be prevented by " short circuit " and the separation of pyrolysis gas discharge.In the present embodiment,
The internal diameter of upper direct tube section is 3.0~5.0 times of 4 internal diameter of central tube, wherein if 4 internal diameter of central tube is relatively too small, be will cause
Pyrolysis gas velocity is too fast in heart cylinder 4, is easy to sweep along dust particles to take away；If 4 internal diameter of central tube is relatively excessive, and it will cause
It is excessively slow to be pyrolyzed gas velocity, is unable to satisfy the production requirement of pyrolysis gas, therefore, inventor's binding isotherm calculates and real work effect
It sums up, the internal diameter of upper direct tube section is designed as 3.0~5.0 times of 4 internal diameter of central tube, pyrolysis gas flow control can closed
It manages in range, it is ensured that pyrolysis gas is pure, efficiently separation is discharged.In the present embodiment, the surface of spheroid 7 is coated with not snearing
Layer, the inner-wall spraying of central tube 4 have non-sticking lining, specific spraying process are as follows: first preheat spheroid 7, central tube 4 at 60 DEG C
10 minutes, then on the surface of spheroid 7, the bottom of the inner-wall spraying non-sticking lining of central tube 4, solidify 15 points at 120 DEG C
Clock；Finally on the surface of spheroid 7, the surface layer of the inner-wall spraying non-sticking lining of central tube 4,30 points are sintered at 290~310 DEG C
Clock；Wherein: spraying process carries out aerosol spray using spray gun；The bore of spray gun is between 0.8~1.3mm；The bottom of non-sticking lining
Thickness degree is between 17~25 μm, and between 8~15 μm, the overall thickness of non-sticking lining is controlled 45 the surface thickness of non-sticking lining
Within μm.The non-sticking lining used in the present embodiment is that existing non-viscous paint, i.e. Shenzhen are suitable easy for science and technology hair on the market
Open up that Co., Ltd's production provides can beautiful multi-product board water nano ceramic coating, including bottom material and fabric.Need special emphasis
Be, in the present embodiment using to non-sticking lining belong to non-infiltration non-sticking lining, in the surface of spheroid 7, central tube 4
Tar adhesion problem present on wall, inventor creatively have found to ask above-mentioned using the non-sticking lining in the present embodiment
Topic plays significant inhibiting effect, i.e., the tar of the non-sticking lining surface condensation can on non-sticking lining smooth flow, in this way
Tar is just not easy to form bonding.Inventor is not easy to be broken by high temperature it is discovered by experiment that the high temperature resistant property of the non-sticking lining is excellent
Bad, service life is longer, and the non-sticking lining is low in cost, is easy industrial application.Therefore, it is sprayed on the surface of spheroid 7
Non-sticking lining, it can be ensured that 7 surface of spheroid it is smooth, be conducive to wall attachment effect and play one's part to the full, substantially reduce final system
Obtain the content of dust particles in pyrolysis gas；In the inner-wall spraying non-sticking lining of central tube 4, it is ensured that 4 inner wall of central tube it is smooth,
It avoids blocking, is conducive to pyrolysis gas and is smoothly through.
Embodiment 7
The pyrolysis installation of the present embodiment, structure is substantially the same manner as Example 6, the difference is that:
The top-side of upper direct tube section is circumferentially arranged with six wind inlets 2；Upper direct tube section top-side is in First air
The angle of the normal of 2 junction of import and 2 length direction of wind inlet is 85 °；The top-side of upper direct tube section is circumferentially set
There are six feed inlets 1；The length direction of screw conveyor 9 and the angle of horizontal plane are 65 °；Central tube 4 protrudes into direct tube section
The depth in portion is 3.5 times of distance between a wind inlet 2 and upper direct tube section top；The internal diameter of upper direct tube section is in central tube 4
5.0 times of diameter.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (1)
1. a kind of application method of pyrolysis installation, which comprises the following steps:
Step A, it is passed through First air to a wind inlet (2), forms eddy flow in pyrolysis oven (3)；
The pyrolysis installation includes:
Pyrolysis oven (3), the pyrolysis oven (3) include the upper direct tube section being sequentially communicated from top to bottom, converging transition and lower direct tube section, institute
The top-side of direct tube section is stated circumferentially arranged at least two wind inlets (2), and a wind inlet (2) and upper straight
The top-side of cylinder section is nontangential；Normal and First air of the upper direct tube section top-side wind inlet (2) junction
The angle of import (2) length direction is α, and 55 °≤α≤85 °；
Central tube (4), the central tube (4) protrude into the inside of the upper direct tube section from top to bottom, and in the central tube (4)
Axis is overlapped with the central axes of the upper direct tube section；
Feed inlet (1), the top-side of the upper direct tube section is circumferentially arranged at least two feed inlets (1), and described at least two
A feed inlet (1) is set in turn in the side of the upper direct tube section from top to bottom, and upper direct tube section top-side is in feed inlet (1)
The normal of junction and the angle of feed inlet (1) length direction are similarly α, and each feed inlet (1) is defeated with individual raw material respectively
Mechanism is sent to connect；
The top inner wall of thermocouple, the upper direct tube section is equipped with a thermocouple, and the top inner wall of the central tube (4) is equipped with
The inner wall of one thermocouple, the converging transition is equipped with a thermocouple；It is equipped with high aluminium brick layer on the inner wall of the pyrolysis oven (3),
Heat-preservation cotton layer is equipped on the outer wall of the pyrolysis oven (3)；
Discharge port (8), the discharge port (8) are connected to the lower end of the lower direct tube section；
Screw conveyor (9), the screw conveyor (9) by driving motor (10) drive, the lower end of the discharge port (8) with
Screw conveyor (9) connection；The screw conveyor (9) tilts upwards, and the length direction of screw conveyor (9) and level
The angle in face is 30 °~65 °；
Pyrolysis feed is classified as different batches, the pyrolysis of different batches according to particle size by screening mechanism, the screening mechanism
Raw material is admitted to the feed inlet (1) of different height respectively；
Spheroid (7), the spheroid (7) is located at the lower section of the central tube (4), and the upper end of the spheroid (7) is protruded into
The inside of the central tube (4)；
Secondary air inlet (6), the secondary air inlet (6) is circumferentially arranged along the side of the converging transition, and converging transition side exists
The normal of secondary air inlet (6) junction and the angle of secondary air inlet (6) length direction are similarly α；
And connector (5), the upper end of one end of the connector (5) and spheroid (7) are connected, the connector (5) it is another
The lower inner wall of one end and central tube (4) is connected；
Wind inlet (2) and secondary air inlet (6) are connected by pipeline with the same air heat-exchange mechanism respectively；
The depth that the central tube (4) is protruded into inside the upper direct tube section is a wind inlet (2) and the upper direct tube section
2.0~3.5 times of distance between top；
The internal diameter of the upper direct tube section is 3.0~5.0 times of the central tube (4) internal diameter；
The surface of the spheroid (7) is coated with non-sticking lining, and the inner-wall spraying of the central tube (4) has non-sticking lining；
Step B, it is sent into pyrolysis feed to feed inlet (1), pyrolysis feed rotates under the action of eddy flow sinks to pyrolysis oven (3) bottom
Portion, and be pyrolyzed simultaneously；
Step C, the solid product that pyrolysis generates constantly deposits to the discharge port (8) of lower direct tube section lower end, then by helical feed
Machine (9) is transported to outside furnace；It is pyrolyzed the gaseous product generated, is discharged into outside furnace by central tube (4)；
Step D, the air quantity of Secondary Air is adjusted, control is less than by the solid product diameter that screw conveyor (9) is transported to outside furnace
2mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518973.3A CN106147810B (en) | 2016-07-01 | 2016-07-01 | A kind of application method of pyrolysis installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518973.3A CN106147810B (en) | 2016-07-01 | 2016-07-01 | A kind of application method of pyrolysis installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106147810A CN106147810A (en) | 2016-11-23 |
| CN106147810B true CN106147810B (en) | 2019-01-11 |
Family
ID=58061199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610518973.3A Active CN106147810B (en) | 2016-07-01 | 2016-07-01 | A kind of application method of pyrolysis installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106147810B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255341A (en) * | 2008-04-14 | 2008-09-03 | 烟台大学 | Cyclone gasification furnace |
| CN102206514A (en) * | 2011-04-15 | 2011-10-05 | 哈尔滨工业大学 | Two-section biomass cyclone high-temperature pyrolysis gasification furnace |
| CN103374377A (en) * | 2012-04-27 | 2013-10-30 | 北京低碳清洁能源研究所 | Carbonaceous material pyrolysis device, pyrolysis system comprising pyrolysis device, and method for pyrolyzing carbonaceous material |
| CN105238425A (en) * | 2015-10-15 | 2016-01-13 | 陕西美斯林能源科技研究院 | Gas-solid mixed heat carrier quick pulverized coal pyrolysis process and device |
-
2016
- 2016-07-01 CN CN201610518973.3A patent/CN106147810B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255341A (en) * | 2008-04-14 | 2008-09-03 | 烟台大学 | Cyclone gasification furnace |
| CN102206514A (en) * | 2011-04-15 | 2011-10-05 | 哈尔滨工业大学 | Two-section biomass cyclone high-temperature pyrolysis gasification furnace |
| CN103374377A (en) * | 2012-04-27 | 2013-10-30 | 北京低碳清洁能源研究所 | Carbonaceous material pyrolysis device, pyrolysis system comprising pyrolysis device, and method for pyrolyzing carbonaceous material |
| CN105238425A (en) * | 2015-10-15 | 2016-01-13 | 陕西美斯林能源科技研究院 | Gas-solid mixed heat carrier quick pulverized coal pyrolysis process and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106147810A (en) | 2016-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102358705B (en) | Process for producing sintered ceramsite by using solid waste materials, and system thereof | |
| CN102180496B (en) | Device for producing alumina clinker by semi-dry process | |
| CN104629807A (en) | Chilling process gasifier with high-temperature heat recovery unit | |
| CN207998558U (en) | A kind of extra light calcined magnesia suspended state calcination system | |
| CN202016883U (en) | Device for producing alumina clinker in semidry method | |
| CN201569263U (en) | Non-pollution airflow circulation drier | |
| CN106147810B (en) | A kind of application method of pyrolysis installation | |
| CN106635111B (en) | A kind of biomass pyrolytic production liquid fuel co-producing bio charcoal system | |
| CN108315027A (en) | Carbon containing biomass material carbonizes powder integral method processed and its system | |
| CN106560447B (en) | A kind of spray pyrolysis prepares method of magnesium oxide and its spray pyrolysis stove | |
| CN104862016B (en) | Gas reuse cooling system in biomass carbonization stove | |
| CN207596791U (en) | A kind of fine coal drying oven based on packed bed drying and the drying device based on the drying oven | |
| CN205740878U (en) | A kind of pyrolysis installation | |
| CN206529069U (en) | A kind of New water jacket cools down dilute phase pneumatic conveying system | |
| CN205710598U (en) | A kind of rotary pulverized coal pyrolysis reactor | |
| CN204853531U (en) | Dusting of dry process fine sizing and equipment that changes coal ash melting characteristic | |
| CN208008724U (en) | Carbon containing biomass material carbonizes powder integral system processed | |
| CN207471566U (en) | Biomass combustion boiler nozzle and ashes cooling system | |
| CN107286966A (en) | A kind of solid garbage as resource Application way and system | |
| CN107384482A (en) | A kind of energy-saving environment-friendly gasification stove that combustion gas is supplied for collective | |
| CN106047375A (en) | Pyrolysis device | |
| CN209226857U (en) | A kind of energy-efficient natural gas perlite bloating plant | |
| CN208500873U (en) | The preparation system of industrial combustion gas | |
| CN207659402U (en) | A kind of biomass gasifying furnace electricity generation system | |
| CN106833753A (en) | A kind of up flow type pyrolysis and downstriker gasification coupling prepare the device and method of coal tar oil and gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |