CN108758638A - A kind of air classification regulation and control pyrolysis and combustion all-in-one oven - Google Patents
A kind of air classification regulation and control pyrolysis and combustion all-in-one oven Download PDFInfo
- Publication number
- CN108758638A CN108758638A CN201810260362.2A CN201810260362A CN108758638A CN 108758638 A CN108758638 A CN 108758638A CN 201810260362 A CN201810260362 A CN 201810260362A CN 108758638 A CN108758638 A CN 108758638A
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- China
- Prior art keywords
- pyrolysis
- combustion
- screw rod
- oven
- main body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
- F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/304—Burning pyrosolids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/30—Oxidant supply
Abstract
The invention discloses a kind of air classifications to regulate and control pyrolysis and combustion all-in-one oven, including a pyrolysis furnace main body, the pyrolysis furnace main body is enclosed a combustion heating area by flame retardant coating, the first air inlet is offered on the pyrolysis furnace main body, first air inlet is connected with burner, wherein, it is described pyrolysis furnace main body further include one obliquely through the combustion heating area screw rod solution heat pipe, the antipyretic tube top portion of screw rod is provided with stirring hopper, biomass waste enters after stirring hopper processing in screw rod solution heat pipe, the antipyretic tube top portion of screw rod is additionally provided with a synthesis airway, it is connected at the top of the synthesis gas tube at one end and the screw rod thermal decomposition tube, the other end stretches in the combustion heating area.The present invention solves the problems, such as that original pyrolysis plant easy tos produce tar in pyrolytic process and equipment is caused to condense.
Description
Technical field
The invention belongs to biomass waste processing disposition and recycling field, are related to a kind of biomass pyrolytic combustion integrative
Equipment, systems which a kind of air classification regulates and controls pyrolysis and combustion all-in-one oven.
Background technology
Biomass waste yield is big, to prevent it from polluting environment, it is necessary to deal carefully with disposition or recycling.Pyrolysis
It is heating biological matter waste under the conditions of anaerobic or control oxygen, obtains the treatment technology of the products such as synthesis gas, tar and charcoal.The skill
Art handles biomass waste, and the secondary pollution of generation is small, can get the synthesis gas of high-energy grade, has higher using energy source
Value and economic value;There is solid by-product charcoal preferable stability, heavy metal to be cured wherein.But it was pyrolyzed
Journey can generate tar, will be condensed after cooling and block pipeline, easily cause operation troubles.
Therefore, in pyrolytic process, the generation of tar condensing how is reduced, is become for current urgent problem to be solved.
Invention content
It is an object of the present invention to provide a kind of air classifications to regulate and control pyrolysis and combustion all-in-one oven, is set with solving original pyrolysis
It is standby that the problem of tar causes equipment to condense is easy tod produce in pyrolytic process.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows:
A kind of air classification regulation and control pyrolysis and combustion all-in-one oven, including a pyrolysis furnace main body, the pyrolysis furnace main body is by fire resisting
Floor is enclosed a combustion heating area, and the first air inlet, first air inlet and burning are offered on the pyrolysis furnace main body
Device is connected, wherein it is described pyrolysis furnace main body further include one obliquely through the combustion heating area screw rod solution heat pipe, the spiral shell
The antipyretic tube top portion of bar is provided with stirring hopper, and biomass waste enters after stirring hopper processing in screw rod solution heat pipe, institute
It states the antipyretic tube top portion of screw rod and is additionally provided with a synthesis airway, the synthesis gas tube at one end and phase at the top of the screw rod thermal decomposition tube
Connection, the other end stretch in the combustion heating area.
Further, the screw rod thermal decomposition tube includes a screw rod and the metal tube on the outside of screw rod, the metal tube with
The filling space of the biomass waste after the accommodating stirring is formed between screw rod, the screw tip is additionally provided with control
The frequency modulator of the screw rod rotary speed.
Further, the burner also connects the combustion blower that air blast is carried out to the burner by a pipeline.
Further, the second air inlet is further opened in the combustion heating area, second air inlet passes through pipeline
Connect temperature adjustment air blower.
Further, the screw rod pyrolysis bottom of the tube is also connected with water cooling residue outlet, and the water cooling residue outlet is located at described resistance to
Outside fire bed.
Further, the pyrolysis furnace main body is further opened with flue gas discharge opening, and the flue gas discharge opening is located at pyrolysis oven master
At the top of body and it is connected to internal combustion heating area.
Further, first, second air inlet is opened in the bottom sides of the pyrolysis furnace main body, the synthesis
Airway stretches to combustion heating area bottom and close to first air inlet.
Further, the frequency modulator is manual frequency modulator.
Compared with prior art, air classification regulation and control pyrolysis and combustion all-in-one oven of the present invention is imitated with following technology
Fruit:
(1) present invention realizes the synchronous pyrolysis and burning of biomass waste:For liquid product tar in pyrolytic process
Condensation blocks pipeline, reduces the problem of thermal decomposition product energy recovery efficiency, using synthesis airway, thermal decomposition product is warm from spiral
It solves pipe and all imports the burning of combustion heating area, reduce tar condensing problem caused by long pipe runs heat dissipation, while by thermal decomposition product
Gaseous state and liquid form product all burn, greatly improve product capacity usage ratio.
(2) present invention realizes the classification regulation and control of air:The first order regulates and controls, and supplement fuel is in the burner with air blast of burning
Air-breathing is added in machine;The second level regulates and controls, in combustion heating area by temperature adjustment air blower in combustion heating area oxygen deficiency, synthesis
Air is blasted when the temperature is excessively high in gas incomplete combustion or pyrolysis furnace main body, realizes accurate air blast and temperature control.
Description of the drawings
Fig. 1 is the structural schematic diagram of the air classification regulation and control pyrolysis and combustion all-in-one oven described in the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of the air classification regulation and control pyrolysis and combustion all-in-one oven described in the embodiment of the present invention two.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail, but not as a limitation of the invention.
Pyrolysis plant operation is influenced to solve the problems, such as that biomass waste pyrolytic process generates tar, the present invention devises one
Kind air classification regulates and controls pyrolysis and combustion all-in-one oven, realizes that pyrolysis is synchronous with burning in furnace body and carries out, and the cooling link of reduction prevents
The condensation of tar, while the heat in tar is utilized, design air classification regulation and control, realize accurate air-blowing temperature control in addition.
Embodiment one
Shown in referring to Fig.1, a kind of air classification disclosed in the embodiment of the present invention regulates and controls pyrolysis and combustion all-in-one oven, including one
It is pyrolyzed furnace main body 1, for the burning of anoxybiotic pyrolysis and thermal decomposition product after biomass waste heating, 1 bottom of pyrolysis furnace main body
For supporting rack 2,2 top of support frame as described above is the flame retardant coating 3 constituted using refractory material laying, 3 inner hollow of the flame retardant coating
The combustion heating area with certain space range is formed, the space structure in the combustion heating area can be rule or irregular
Geometric figure.The first air inlet, pipe of first air inlet where with burner 8 are offered on the pyrolysis furnace main body 1
Road is connected, and the burner 8, which is used to supplement fuel (such as natural gas) into combustion heating area, to burn, and is biomass waste heat
Solution provides heat, and the exhaust gas that combustion heating area generates is discharged from the flue gas discharge opening 11 positioned at 1 top of pyrolysis furnace main body.Institute
State pyrolysis furnace main body 1 further include one obliquely through the combustion heating area screw rod solution heat pipe 4, be obliquely installed so that material is in spiral shell
There is in bar thermal decomposition tube buffering, be also conducive to exhaust, inclination herein refers to the folder of 4 direction relative level of the screw rod thermal decomposition tube
Angle, the acute angle formed with horizontal line is about between 45 degree to 90 degree.4 top of the screw rod solution heat pipe is provided with stirring
Hopper 5, biomass waste enter in screw rod solution heat pipe after mixing through the stirring hopper 5, can be to the stirring hopper 5
Mixing speed is controlled, and then controls biomass waste in the lower leakage rate of bottom leakage hole, and the antipyretic tube top portion of screw rod is also
It is provided with a synthesis airway 6, described 6 one end of synthesis airway is connected with 4 top of the screw rod thermal decomposition tube, and the other end stretches into
In to the combustion heating area.
Please refer to Fig. 1 again, in the present embodiment, the screw rod thermal decomposition tube 4 includes a screw rod and the metal on the outside of screw rod
Pipe, the metal tube and screw rod are all made of heat safe metal material and are made, and the appearance is formed between the metal tube and screw rod
The filling space of the biomass waste after stirring is set, biomass waste fills a large amount of combustions being burned in space in heating zone herein
Material carries out heating pyrolysis, the gaseous products of generation (containing be under high temperature gaseous state, room temperature it is condensable be liquid product) upward loss,
It is collected by synthesizing airway 6, imports combustion heating area, be heated again pyrolysis.The screw tip is additionally provided with described in control
The frequency modulator 12 of screw rod speed, the frequency modulator 12 can be manual frequency modulator or use electronic frequency modulator, and screw rod is not
Disconnected rotation, the biomass waste that 5 bottom of stirring hopper is leak into gradually from the top of pyrolysis furnace main body 1 by screw rod thermal decomposition tube 4 to
Bottom pushes, and controls screw speed and frequency by frequency modulator 12, stops in screw rod thermal decomposition tube 4 to control biomass waste
The time is stayed, such as the biomass waste that pyrolysis is difficult, setting rotational frequency reduces, and can so control it and is pyrolyzed in screw rod
Time in pipe 4 is slightly longer, and pyrolysis is more abundant.4 bottom of screw rod thermal decomposition tube is also connected with water cooling residue outlet 7, the water
Cold residue outlet 7 is located at outside the flame retardant coating 3, and is fixed by support frame as described above 2.Remaining solid-state after the biomass waste pyrolysis
After product charcoal is cooled down by water cooling residue outlet 7, it is discharged from 1 bottom of pyrolysis furnace main body.Wherein, it is discharged from screw rod thermal decomposition tube 4
High-temperature ash can first pass through pair roller type slag breaker and be broken into fritter, convenient for cooling and conveying, lime-ash after crushing
It enters back into after water cooling residue outlet 7 fully exchanges heat and cools down and is discharged.
In the present embodiment, the synthesis airway 6 of stating is extended downwardly into along 3 inner wall of flame retardant coating to combustion heating area bottom
Portion and close to first air inlet, since the first air inlet is the mouth that burner 8 send to combustion heating area heat, therefore the synthesis
First air inlet that is located proximate to of airway 6 enables to the gas or gas-liquid mixture that are generated in screw rod thermal decomposition tube 4
Good combustion efficiency is obtained again, wherein 6 part of the synthesis airway is in the outer part of flame retardant coating 3 in flame retardant coating 3
It is interior, control valve can also be set in the synthesis airway 6, to control the speed to the air inlet of combustion heating area.
Pipeline is blocked for liquid product tar condensing in pyrolytic process, to reduce thermal decomposition product energy recovery efficiency
Problem, the present invention all import combustion heating area from spiral thermal decomposition tube using synthesis airway 6, by thermal decomposition product and burn, reduce
Tar condensing problem caused by long pipe runs heat dissipation, while gaseous state and liquid form product that thermal decomposition product is formed all burn, greatly
Width improves product capacity usage ratio.
Embodiment two
With reference to shown in Fig. 2, in the present embodiment, the burner 8 is also connected by a pipeline and is carried out to the burner 8
The combustion blower 9 of air blast blasts air as combustion-supporting gas, so that combustion for burning in burner 8 for supplement fuel
Material being capable of completely burned.
Since burner 8 constantly carries out heat supply to combustion heating area, combustion heating area can have oxygen deficiency, synthesis gas combustion
It burns not exclusively or temperature is excessively high in pyrolysis furnace main body 1, be further opened with the second air inlet in the combustion heating area, described second
Air inlet connects temperature adjustment air blower 10 by pipeline, and by the temperature adjustment air blower 10, air is blasted to combustion heating area, adjusts
Temperature in combustion state and pyrolysis furnace main body 1.
Wherein, first, second air inlet is opened in the bottom sides of the pyrolysis furnace main body 1, so being capable of shape
At maximized heating space, screw rod thermal decomposition tube 4 runs through combustion heating area to be oblique, and the installation requirement to screw rod thermal decomposition tube 4 is
It is with maximum heated length and heating surface area.
1 structure of pyrolysis furnace main body in the present embodiment is identical as embodiment one, and details are not described herein.
The operation principle of the present embodiment is:The pyrolysis and burning of biomass waste are completed in pyrolysis furnace main body 1, naturally
The supplement fuel such as gas is entered by burner 8, and the air mixing after-combustion blasted with combustion blower 9, supplement pyrolysis oven needs
Heat;It is being pyrolyzed in furnace main body 1 combustion-supporting lack of air or when excessively high furnace body temperature, is starting temperature adjustment air blower 10 to pyrolysis furnace main body
1 blasts air, supplements combustion air or cools down for furnace body.
The present embodiment realizes air classification regulation and control when burning:The first order regulates and controls, and supplement fuel is in burner 8 with burning
Air-breathing is added in air blower 9;The second level regulate and control, combustion heating area by temperature adjustment air blower 10 combustion heating area oxygen not
Foot, syngas combustion not exclusively or in pyrolysis furnace main body 1 blast air when the temperature is excessively high, realize accurate air blast temperature control.
Several preferred embodiments of the present invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through in the scope of the invention is set forth herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection domain of bright appended claims.
Claims (8)
1. a kind of air classification regulates and controls pyrolysis and combustion all-in-one oven, including a pyrolysis furnace main body, the pyrolysis furnace main body is by flame retardant coating
It is enclosed a combustion heating area, the first air inlet, first air inlet and burner are offered on the pyrolysis furnace main body
Be connected, which is characterized in that it is described pyrolysis furnace main body further include one obliquely through the combustion heating area screw rod solution heat pipe, institute
It states the antipyretic tube top portion of screw rod and is provided with stirring hopper, biomass waste enters screw rod solution heat pipe after stirring hopper processing
Interior, the antipyretic tube top portion of screw rod is additionally provided with a synthesis airway, the synthesis gas tube at one end and the screw rod thermal decomposition tube
Top is connected, and the other end stretches in the combustion heating area.
2. pyrolysis and combustion all-in-one oven as described in claim 1, which is characterized in that the screw rod thermal decomposition tube includes a screw rod and position
Metal tube on the outside of screw rod, the biomass waste formed between the metal tube and screw rod after the accommodating stirring are filled out
Space is filled, the screw tip is additionally provided with the frequency modulator for controlling the screw rod rotary speed.
3. pyrolysis and combustion all-in-one oven as claimed in claim 2, which is characterized in that the burner also by a pipeline connect to
The burner carries out the combustion blower of air blast.
4. pyrolysis and combustion all-in-one oven as claimed in claim 3, which is characterized in that be further opened in the combustion heating area
Two air inlets, second air inlet connect temperature adjustment air blower by pipeline.
5. pyrolysis and combustion all-in-one oven as claimed in claim 2, which is characterized in that the screw rod pyrolysis bottom of the tube is also connected with water cooling
Residue outlet, the water cooling residue outlet are located at outside the flame retardant coating.
6. pyrolysis and combustion all-in-one oven as claimed in claim 3, which is characterized in that the pyrolysis furnace main body is further opened with flue gas row
Outlet, the flue gas discharge opening are located at pyrolysis oven body top and are connected to internal combustion heating area.
7. pyrolysis and combustion all-in-one oven as claimed in claim 4, which is characterized in that first, second air inlet is opened in
The bottom sides of the pyrolysis furnace main body, the synthesis airway stretch to combustion heating area bottom and close to described first
Air inlet.
8. pyrolysis and combustion all-in-one oven as claimed in claim 2, which is characterized in that the frequency modulator is manual frequency modulator.
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CN201810260362.2A CN108758638B (en) | 2018-03-27 | 2018-03-27 | Air-classified regulation and control pyrolysis and combustion integrated furnace |
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CN201810260362.2A CN108758638B (en) | 2018-03-27 | 2018-03-27 | Air-classified regulation and control pyrolysis and combustion integrated furnace |
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CN108758638A true CN108758638A (en) | 2018-11-06 |
CN108758638B CN108758638B (en) | 2020-04-17 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115405918A (en) * | 2022-08-11 | 2022-11-29 | 湖北鑫星节能炉具有限公司 | Biomass particle combustion furnace with bottom ventilation structure |
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CN101134899A (en) * | 2006-08-28 | 2008-03-05 | 李延韬 | Biomass energy converter |
CN102199451A (en) * | 2011-04-07 | 2011-09-28 | 北京联合创业环保工程有限公司 | Biomass destructive distillation and cracking integrated equipment and biomass destructive distillation and cracking system |
CN102517054A (en) * | 2011-11-29 | 2012-06-27 | 华南农业大学 | Device and method for continuous pyrolysis of agricultural and forestry biomass and fractional collection and purification of product |
CN105623685A (en) * | 2015-12-09 | 2016-06-01 | 华中师范大学 | Method and equipment for continuous co-production of gas and charcoal through biomass material in-situ catalytic cracking |
CN106322362A (en) * | 2016-08-31 | 2017-01-11 | 北京北方永邦科技股份有限公司 | Biomass combustor and biomass fuel combustion method |
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2018
- 2018-03-27 CN CN201810260362.2A patent/CN108758638B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101134899A (en) * | 2006-08-28 | 2008-03-05 | 李延韬 | Biomass energy converter |
CN102199451A (en) * | 2011-04-07 | 2011-09-28 | 北京联合创业环保工程有限公司 | Biomass destructive distillation and cracking integrated equipment and biomass destructive distillation and cracking system |
CN102517054A (en) * | 2011-11-29 | 2012-06-27 | 华南农业大学 | Device and method for continuous pyrolysis of agricultural and forestry biomass and fractional collection and purification of product |
CN105623685A (en) * | 2015-12-09 | 2016-06-01 | 华中师范大学 | Method and equipment for continuous co-production of gas and charcoal through biomass material in-situ catalytic cracking |
CN106322362A (en) * | 2016-08-31 | 2017-01-11 | 北京北方永邦科技股份有限公司 | Biomass combustor and biomass fuel combustion method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115405918A (en) * | 2022-08-11 | 2022-11-29 | 湖北鑫星节能炉具有限公司 | Biomass particle combustion furnace with bottom ventilation structure |
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