CN111911913A - Decoupling gasification coal-electricity double-purpose heating stove - Google Patents
Decoupling gasification coal-electricity double-purpose heating stove Download PDFInfo
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- CN111911913A CN111911913A CN202010881980.6A CN202010881980A CN111911913A CN 111911913 A CN111911913 A CN 111911913A CN 202010881980 A CN202010881980 A CN 202010881980A CN 111911913 A CN111911913 A CN 111911913A
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- Prior art keywords
- hearth
- grate
- layer
- main body
- decoupling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
- C10J3/34—Grates; Mechanical ash-removing devices
- C10J3/36—Fixed grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/007—Supplying oxygen or oxygen-enriched air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention discloses a decoupling gasification coal-electricity dual-purpose heating stove, and relates to the technical field of heating equipment. The hearth comprises a hearth main body, wherein a first hearth, a second hearth, a third hearth and a fourth hearth are sequentially assembled in the hearth main body from top to bottom, the first hearth and the fourth hearth are rotatably connected with the hearth main body, the second hearth and the third hearth are welded with the hearth main body, triangular lattices are arranged in the first hearth and the second hearth, and planar lattices are arranged in the third hearth and the fourth hearth. According to the invention, the oxygen-enriched combustion layer, the drying layer, the dry distillation carbonization layer, the decoupling gasification layer and the ash collecting layer are arranged, so that the device can fully combust raw coal, and can pump generated combustible gas into the oxygen-enriched combustion layer for supporting combustion, thereby greatly reducing the generation amount of harmful gas and preventing the problem of serious pollution to the atmosphere caused by direct emission.
Description
Technical Field
The invention belongs to the technical field of heating equipment, and particularly relates to a decoupling gasification coal-electricity dual-purpose heating stove.
Background
The heating stove uses coal as main fuel, is mostly used for rural areas or urban and rural junctions which do not have central heating or gas heating conditions, has lower heating cost and is an ideal choice for heating, but the existing heating stove easily generates incomplete combustion of coal when burning coal, generates a large amount of polluted gas and does not save energy for combustion.
Disclosure of Invention
The invention aims to provide a decoupling gasification coal-electricity dual-purpose heating stove, which solves the existing problems: the existing heating stove is easy to generate the problems that coal is not completely combusted, a large amount of polluted gas is generated and energy-saving combustion is not realized when coal is combusted.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a decoupling gasification coal-electricity dual-purpose heating stove which comprises a hearth main body, wherein a first grate, a second grate, a third grate and a fourth grate are sequentially assembled in the hearth main body from top to bottom, the first grate and the fourth grate are rotatably connected with the hearth main body, the second grate and the third grate are respectively connected with the hearth main body in a welding way, the first grate and the second grate are internally provided with a triangular lattice, the third grate and the fourth grate are internally provided with a planar lattice, the interior of the hearth main body is sequentially divided into an oxygen-enriched combustion layer, a drying layer, a dry distillation carbonization layer, a decoupling gasification layer and an ash residue collection layer from top to bottom through the first grate, the second grate, the third grate and the fourth grate, one side face of the hearth main body is provided with two oxygen injection ports, and one of the oxygen injection ports is positioned at the oxygen-enriched combustion layer, the other oxygen injection port is positioned at the position of the decoupling gasification layer.
Further, the one end on first grate and fourth grate all is fixed with the second pivot, the other end on first grate and fourth grate all is fixed with first pivot, the one end of second pivot is fixed with the carousel, the inside of furnace main part is fixed with a plurality of air duct, the inlet end of air duct is located the inner wall of furnace main part and corresponds the position on decoupling zero gasification layer, the end of giving vent to anger of air duct is located the inner wall of furnace main part and corresponds the position on oxygen boosting burning layer, the top of a furnace main part side is provided with the exhaust hole.
Further, the space between the inner grids of the first grate is five centimeters.
Further, the lattice column distance in the second furnace column is four centimeters.
Furthermore, a feed opening is formed in the top end of the hearth main body, and a sealing cover is fixed to the top end of the feed opening.
Furthermore, two cushion blocks are fixed at one end of the hearth main body, one cushion block is located at one end of the first grate, the other cushion block is located at one end of the first grate, and the second rotating shaft penetrates through the middle of the cushion block.
Furthermore, a rocker is fixed on one end face of the rotary table, and anti-skid grains are arranged on the outer side of the rocker.
Furthermore, the inner wall of the hearth main body and the positions corresponding to the two sides of the first grate and the fourth grate are provided with limit grooves, and the two sides of the first grate and the fourth grate are tightly attached to the inner wall of the limit grooves.
Further, the space between the inner grids of the third grate is two centimeters.
Furthermore, the space between the inner grids of the fourth grate is one point and five centimeters.
The invention has the following beneficial effects:
according to the invention, the oxygen-enriched combustion layer, the drying layer, the dry distillation carbonization layer, the decoupling gasification layer and the ash collecting layer are arranged, so that the device can fully combust raw coal, and can pump generated combustible gas into the oxygen-enriched combustion layer for supporting combustion, thereby greatly reducing the generation amount of harmful gas and preventing the problem of serious pollution to the atmosphere caused by direct emission.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of one end of the present invention;
FIG. 3 is a schematic structural diagram of a first grate, a second grate, a third grate and a fourth grate according to the present invention;
FIG. 4 is a schematic view of the internal structure of one side of the present invention;
FIG. 5 is another schematic view of the internal structure of the present invention;
fig. 6 is a cross-sectional view of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a hearth main body; 2. a first grate; 3. a second grate; 4. a third grate; 5. a fourth grate; 6. an oxygen injection port; 7. an oxygen-enriched combustion layer; 8. drying the layer; 9. a carbonization zone is subjected to dry distillation; 10. a decoupling gasification layer; 11. a slag collection layer; 12. a feeding port; 13. a sealing cover; 14. a first rotating shaft; 15. an air duct; 16. an exhaust hole; 17. cushion blocks; 18. a turntable; 19. a rocker; 20. a second rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the invention is a decoupling gasification coal and electricity dual-purpose heating stove, which comprises a stove main body 1, wherein a first stove grate 2, a second stove grate 3, a third stove grate 4 and a fourth stove grate 5 are sequentially assembled in the stove main body 1 from top to bottom, the first stove grate 2 and the fourth stove grate 5 are rotatably connected with the stove main body 1, the second stove grate 3 and the third stove grate 4 are welded with the stove main body 1, the first stove grate 2 and the second stove grate 3 are internally provided with three-edged grids, the third stove grate 4 and the fourth stove grate 5 are internally provided with planar grids, the space between the grids in the first stove grate 2 is five centimeters, the space between the grids in the second stove grate 3 is four centimeters, the space between the grids in the third stove grate 4 is two centimeters, the space between the grids in the fourth stove grate 5 is one-point-five centimeters, and the volume is gradually reduced when raw coal is combusted, through the design of the lattices with different intervals, the raw coal can gradually fall down along with the volume change to be fully combusted;
the interior of the hearth main body 1 is sequentially divided into an oxygen-enriched combustion layer 7, a drying layer 8, a dry distillation carbonization layer 9, a decoupling gasification layer 10 and an ash residue collection layer 11 from top to bottom through a first hearth 2, a second hearth 3, a third hearth 4 and a fourth hearth 5, two oxygen injection ports 6 are arranged on one side face of the hearth main body 1, one oxygen injection port 6 is located at the position of the oxygen-enriched combustion layer 7, and the other oxygen injection port 6 is located at the position of the decoupling gasification layer 10;
one end of each of the first grate 2 and the fourth grate 5 is fixed with a second rotating shaft 20, the other end of each of the first grate 2 and the fourth grate 5 is fixed with a first rotating shaft 14, the inner wall of the hearth main body 1 is provided with a limiting groove corresponding to the positions of the two sides of the first grate 2 and the fourth grate 5, the two sides of the first grate 2 and the fourth grate 5 are tightly attached to the inner wall of the limiting groove, one end of the second rotating shaft 20 is fixed with a turntable 18, one end surface of the turntable 18 is fixed with a rocker 19, the outer side of the rocker 19 is provided with anti-skid veins, one end of the hearth main body 1 is fixed with two cushion blocks 17, one cushion block 17 is positioned at one end of the first grate 2, the other cushion block 17 is positioned at one end of the first grate 2, the second rotating shaft 20 penetrates through the middle parts of the cushion blocks 17, a plurality of air guide tubes 15 are fixed inside the hearth main body 1, the air inlet ends of the air guide tubes 15 are positioned at the inner wall of the hearth main body 1 and, the air outlet end of the air duct 15 is positioned on the inner wall of the hearth main body 1 and corresponds to the position of the oxygen-enriched combustion layer 7, the top end of one side surface of the hearth main body 1 is provided with an exhaust hole 16, the top end of the hearth main body 1 is provided with a feed opening 12, and the top end of the feed opening 12 is fixed with a sealing cover 13.
One specific application of this embodiment is: starting the device, throwing raw coal into the oxygen-enriched combustion layer 7 from the feeding port 12, then sealing the feeding port 12 through the sealing cover 13, igniting the raw coal, and simultaneously injectingThe oxygen port 6 injects oxygen into the oxygen-enriched combustion layer 7, so that the raw coal is combusted in the oxygen-enriched combustion layer 7, carbon dioxide is generated during combustion, heat rises, when the raw coal is combusted for a certain time, the raw coal in the oxygen-enriched combustion layer 7 gradually becomes smaller, after the raw coal is reduced to a certain volume, the raw coal which is not completely combusted at high temperature automatically falls down through the lattice on the first furnace lattice 2, and falls into the drying layer 8, the raw coal is continuously combusted in the drying layer, after the raw coal temporarily stays, the raw coal automatically falls down due to the reduction of the volume, and falls into the carbonization layer 9, the raw coal which is not completely combusted at high temperature stays in the carbonization layer 9 for a long time, fully reacts and combusts under a non-oxygen-enriched state, coal tar is carbonized, various gases are generated, meanwhile, combustible gases such as short-chain carbon, hydrogen and the like can be decomposed from the coal, and a large amount of carbon monoxide is generated during the non-oxygen, namely: c + O22CO, this reaction is the process of receiving heat, make the temperature of furnace bottom reduce, also can produce some other gases when coal tar decomposes, the combustion process in carbonization zone 9 is the process of dry distillation volatilization production a large amount of combustible gas, also volatilize the major part in the raw coal and decompose into combustible gas simultaneously, can fall into decoupling zero gasification layer 10 when the raw coal volume reduces, and the inlet end through air duct 15 sets up in decoupling zero gasification layer 10's inner wall department, make the gas in this layer discharge through air duct 15, this layer is mainly the decoupling zero reaction, various combustible gas and partial high temperature small particle carbon block take place the chemical reaction again in decoupling zero gasification layer 10 this layer, mainly for coal tar decoupling zero short chain carbon reacts with oxygen and produces carbon monoxide gas, 2C + O22CO, reaction among other various gases is formed, and according to the temperature of each layer of the hearth from high to low, pressure difference is formed inside the hearth, the gases flow downwards, the mixed combustible gases are conveyed into the oxygen-enriched combustion layer 7 through the gas guide pipe 15, so that the mixed gases and flames in the oxygen-enriched combustion layer 7 are ignited, a delayed combustion phenomenon that red flame rings occur in mixed combustion is formed, energy-saving combustion of coal and clean combustion utilization of the coal are achieved, and generated high-heat carbon dioxide is discharged from the exhaust hole 16 to perform heating.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a decoupling zero gasification coal electricity double-purpose heating stove, includes furnace main part (1), its characterized in that: the hearth comprises a hearth main body (1), wherein a first hearth (2), a second hearth (3), a third hearth (4) and a fourth hearth (5) are sequentially assembled in the hearth main body (1) from top to bottom, the first hearth (2) and the fourth hearth (5) are rotatably connected with the hearth main body (1), the second hearth (3) and the third hearth (4) are respectively connected with the hearth main body (1) in a welding manner, triangular lattices are arranged in the first hearth (2) and the second hearth (3), planar lattices are arranged in the third hearth (4) and the fourth hearth (5), the hearth main body (1) is sequentially separated into an oxygen-enriched combustion layer (7), a drying layer (8), a carbonization gasification layer (9), a carbonization gasification layer (10) and a decoupling collection layer (11) from top to bottom through the first hearth (2), the second hearth (3), the third hearth (4) and the fourth hearth (5), two oxygen injection ports (6) are arranged on one side face of the hearth main body (1), one oxygen injection port (6) is located at the position of the oxygen-enriched combustion layer (7), and the other oxygen injection port (6) is located at the position of the decoupling gasification layer (10).
2. The decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that, the one end of first grate (2) and fourth grate (5) all is fixed with second pivot (20), the other end of first grate (2) and fourth grate (5) all is fixed with first pivot (14), the one end of second pivot (20) is fixed with carousel (18), the inside of furnace main part (1) is fixed with a plurality of air duct (15), the inlet end of air duct (15) is located the inner wall of furnace main part (1) and corresponds the position of decoupling gasification layer (10), the end of giving vent to anger of air duct (15) is located the inner wall of furnace main part (1) and corresponds the position of combustion layer (7), the top of furnace main part (1) side is provided with exhaust hole (16).
3. A decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that the spacing of the internal grilles of the first grate (2) is five centimeters.
4. A decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that the lattice spacing inside the second grate (3) is four centimeters.
5. A decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that the top of the hearth main body (1) is provided with a feeding port (12), and the top of the feeding port (12) is fixed with a sealing cover (13).
6. A decoupling gasification coal and electricity dual-purpose heating stove according to claim 2, characterized in that two cushion blocks (17) are fixed at one end of the hearth main body (1), one of the cushion blocks (17) is located at one end of the first grate (2), the other cushion block (17) is located at one end of the first grate (2), and the second rotating shaft (20) penetrates through the middle of the cushion block (17).
7. A decoupling gasification coal-electricity dual-purpose heating stove according to claim 2, characterized in that a rocker (19) is fixed on one end face of the rotary plate (18), and anti-skid lines are arranged on the outer side of the rocker (19).
8. The decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that the inner wall of the hearth main body (1) and the positions corresponding to the two sides of the first grate (2) and the fourth grate (5) are both provided with a limiting groove, and the two sides of the first grate (2) and the fourth grate (5) are tightly attached to the inner wall of the limiting groove.
9. A decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that the space between the inner grills of the third grill (4) is two centimeters.
10. A decoupling gasification coal-electricity dual-purpose heating stove according to claim 1, characterized in that the space between the inner grills of the fourth grill (5) is one point and five centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881980.6A CN111911913A (en) | 2020-08-26 | 2020-08-26 | Decoupling gasification coal-electricity double-purpose heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010881980.6A CN111911913A (en) | 2020-08-26 | 2020-08-26 | Decoupling gasification coal-electricity double-purpose heating stove |
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| CN111911913A true CN111911913A (en) | 2020-11-10 |
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| CN202010881980.6A Pending CN111911913A (en) | 2020-08-26 | 2020-08-26 | Decoupling gasification coal-electricity double-purpose heating stove |
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2020
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