CN104696982A - Coal-fired stove with vapor supported combustion function - Google Patents
Coal-fired stove with vapor supported combustion function Download PDFInfo
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- CN104696982A CN104696982A CN201510135532.0A CN201510135532A CN104696982A CN 104696982 A CN104696982 A CN 104696982A CN 201510135532 A CN201510135532 A CN 201510135532A CN 104696982 A CN104696982 A CN 104696982A
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Abstract
The invention provides a coal-fired stove with a vapor supported combustion function. A hearth combustor is provided with a combustion-supporting tube bank set including at least two layers of snakelike tube banks arranged in parallel; straight lines of every two layers of the snakelike tube banks are perpendicular to each other; the heads and tails of every two adjacent layers of the snakelike tube banks are connected in series in order through deformed elbows; a first inflow line is connected to the bottom layer of the combustion-supporting tube bank set; the first inflow line is provided with an inflow switch and a level meter; a vapor supported combustion line used for guiding out the water is connected to the top layer of the combustion-supporting tube bank set; an outlet nozzle of the vapor supported combustion line ejects high-pressure vapor to coal above a grate to support combustion; an external air supply tube bank set is provided above the combustion-supporting tube bank set and is used for providing out high-temperature high-pressure vapor. The coal-fired stove is simple in structure and low in cost and allows the coal to combust more sufficiently, heat utilization rate of the cola-fired stove is increased, and emission of toxic gases is reduced.
Description
Technical field
The present invention relates to a kind of coal stove, specifically a kind of coal stove utilizing steam combustion supporting.
Background technology
Current existing coal stove huge number, coal-firing heating stove from the coal-burning boiler in power plant to urban heat supplying station and the little formed coal stove of family expenses etc. all belong to coal stove, coal stove needs to use a large amount of coal as fuel, but most coal stove is by the impact of self structure, coal burns and insufficient therein, the heat utilization rate of burning is also comparatively low, not only wastes this non-renewable resource of coal, also can discharge toxic gas to environment.In order to make the burning of coal more abundant, and improve heat utilization rate further, people utilize steam to react with carbon the principle generating carbon monoxide and hydrogen in high temperature, on water-vapour spray to the coal of burning, obvious combustion-supporting effect can be played, but utilize the coal stove structural design of steam combustion supporting and unreasonable due to existing, cause applying of this type of stove and accessory very limited.
Summary of the invention
The object of the present invention is to provide a kind of coal stove utilizing steam combustion supporting of novel structure, apply this stove and accessory, the burning of coal can be made more abundant, and can outwards supply heat energy steam, so both improve the heat utilization rate of burning, additionally reduce the discharge of toxic gas.
The technical solution adopted in the present invention is as follows:
A kind of coal stove utilizing steam combustion supporting, it is characterized in that: directly over fire box, be provided with a combustion-supporting comb combination adapted with the size of fire box, combustion-supporting comb combination is provided with at least 2 layers of snakelike comb arranged in parallel, the straight tube pipeline of the snakelike comb of adjacent two layers is mutually vertical, the snakelike comb of adjacent two layers end to end between be connected in series successively by special-shaped connector bend, and the disconnected termination of bottom and the snakelike comb of top layer is closed, and makes whole combustion-supporting comb be combined to form a continuous print closing pipe line; The snakelike comb of bottom of combustion-supporting comb combination is connected with the first inlet pipeline, and the first inlet pipeline stretches out outside furnace wall and is connected with feed pipe, the first inlet pipeline outside furnace wall is also provided with water inlet switch and water-level gauge, to control inflow; The snakelike comb of top layer of combustion-supporting comb combination is connected with the steam combustion supporting pipeline of outwards drawing, steam combustion supporting pipeline outwards passes backward upper extension one segment distance in furnace wall, bending stretching, extension downwards again, inwardly penetrating furnace wall again enters below the fire bars of fire box, its outlet nozzle sprays high-temperature high-pressure steam facing to the fire coal above fire bars, the part of steam combustion supporting pipeline outside furnace wall is also provided with shunting automatic pressure reducing valve and flow control valve, controls combustion-supporting supply gas pressure.The available insulation material parcel of the part of steam combustion supporting pipeline outside furnace wall, to prevent heat losses.
In order to utilize the heat energy after coal-fired Thorough combustion further, the top of described fire box inherent combustion-supporting comb combination is also provided with an external air feed comb combination, external air feed comb combination is provided with at least 3 layers of parallel comb, the pipeline of the parallel comb of adjacent two layers is mutually vertical, hollow interlayer is provided with in the furnace wall of fire box's periphery, the two ends of each root straight tube of the parallel comb of each layer are all connected with the hollow interlayer in furnace wall, the second inlet pipeline be connected with hollow interlayer is provided with outside the furnace wall of the parallel comb correspondence position of bottom, second inlet pipeline is connected with feed pipe, the second inlet pipeline outside furnace wall is also provided with water inlet switch and water-level gauge, to control inflow, be provided with the external supply air line be connected with hollow interlayer outside the furnace wall of top layer parallel comb correspondence position, external supply air line be also provided with flow control valve and outside supply gas pressure is controlled.
In addition, water inlet switch on described first inlet pipeline and the second inlet pipeline can adopt automatic control switch, and realize coordinated signals with the water-level gauge on its pipeline, when the numerical value of water-level gauge is higher than the high-value preset, water inlet switch is closed automatically, and when the numerical value of water-level gauge is lower than the low-value preset, water inlet switch is opened automatically, thus ensure both to have made the water in comb overflow in the steam pipeline on top, the phenomenon of anhydrous dry combustion method in bottom comb can not be caused again.
Advantage of the present invention is: this coal stove adopts a crisscross multilayer snakelike comb combination as combustion-supporting steam evaporimeter, structure is simple, with low cost, be applied in burner hearth, coal-fired heat is utilized automatically to produce steam, then the high temperature coal of below to burning steam being guided to burner hearth sprays, utilize steam in high temperature, be combined the principle generating carbon monoxide and hydrogen with carbon, obvious combustion-supporting effect can be played, make the burning of coal more abundant, decrease the discharge of the toxic gas produced because of incomplete combustion, also make full use of furnace cavity in addition, the combination of external air feed comb is set above combustion-supporting comb combines, utilize clean-burning coal-fired heat automatically to produce high-temperature high-pressure steam further outwards to supply, thus substantially increase the heat utilization rate of coal stove.
Accompanying drawing explanation
Fig. 1 is the structural representation of coal stove of the present invention.
Fig. 2 is that combustion-supporting comb is combined in bowing to schematic diagram in burner hearth.
Fig. 3 is the schematic perspective view of combustion-supporting comb combination.
Fig. 4 is the schematic diagram that external air feed comb combined parallel comb is connected with furnace wall hollow interlayer.
In figure: 1-fire box, the combustion-supporting comb combination of 2-, the snakelike comb of 2.1-, 2.2-special-shaped connector bend, 3-first inlet pipeline, 4-furnace wall, 5-water inlet switch, 6-water-level gauge, 7-steam combustion supporting pipeline, 8-fire bars, 9-outlet nozzle, 10-is coal-fired, 11-flow control valve, the external air feed comb combination of 12-, the parallel comb of 12.1-, 13-hollow interlayer, 14-second inlet pipeline, the external supply air line of 15-, 16-shunts automatic pressure reducing valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
3 layers of snakelike comb are combined as with combustion-supporting comb, it is example that external air feed comb is combined as 5 layers of parallel comb, as Figure 1-4, a combustion-supporting comb combination 2 adapted with the size of fire box 1 is provided with directly over this coal stove fire box 1, the snakelike comb 2.1 arranged in parallel that haves three layers is established in combustion-supporting comb combination 2, the straight tube pipeline of the snakelike comb of adjacent two layers 2.1 is mutually vertical, the snakelike comb 2.1 of adjacent two layers end to end between be connected in series successively by special-shaped connector bend 2.2, and the disconnected termination of bottom and the snakelike comb of top layer 2.1 is closed, whole combustion-supporting comb combination 2 is made to form a continuous print closing pipe line, the snakelike comb 2.1 of bottom of combustion-supporting comb combination 2 is connected with the first inlet pipeline 3, first inlet pipeline 3 stretches out outside furnace wall 4 and is connected with feed pipe, the first inlet pipeline 3 outside furnace wall 4 is also provided with water inlet switch 5 and water-level gauge 6, water inlet switch 5 adopts automatic control switch, and realize coordinated signals with water-level gauge 6, to control inflow, the snakelike comb 2.1 of top layer of combustion-supporting comb combination 2 is connected with the steam combustion supporting pipeline 7 of outwards drawing, steam combustion supporting pipeline 7 outwards passes backward upper extension one segment distance in furnace wall 4, bending stretching, extension downwards again, water in snakelike like this comb 2.1 would not overflow in steam combustion supporting pipeline 7, the pipeline that steam combustion supporting pipeline 7 stretches downwards inwardly penetrates furnace wall 4 again and enters below the fire bars 8 of fire box 1, its outlet nozzle 9 sprays high-temperature high-pressure steam facing to the fire coal 10 above fire bars 8, the part of steam combustion supporting pipeline 7 outside furnace wall 4 is also provided with shunting automatic pressure reducing valve 16 and flow control valve 11 controls combustion-supporting supply gas pressure, when overpressure is excessive, shunting automatic pressure reducing valve 16 can open venting decompression automatically.The available insulation material parcel of the part of steam combustion supporting pipeline 7 outside furnace wall 4, to prevent heat losses.The top of the inherent combustion-supporting comb combination 2 of described fire box 1 is also provided with an external air feed comb combination 12, the parallel comb 12.1 that is of five storeys is established in external air feed comb combination 12, the pipeline of the parallel comb of adjacent two layers 12.1 is mutually vertical, hollow interlayer 13 is provided with in the furnace wall of fire box 1 periphery, the two ends of each root straight tube of the parallel comb 12.1 of each layer are all connected with the hollow interlayer 13 in furnace wall 4, the second inlet pipeline 14 be connected with hollow interlayer 13 is provided with outside the furnace wall 4 of bottom parallel comb 12.1 correspondence position, second inlet pipeline 14 is connected with feed pipe, the second inlet pipeline 14 outside furnace wall 4 is also provided with water inlet switch 5 and the water-level gauge 6 of coordinated signals, to control inflow, the external supply air line 15 be connected with hollow interlayer 13 is provided with outside the furnace wall 4 of top layer parallel comb 12.1 correspondence position, external supply air line 15 is also provided with flow control valve 11 control outside supply gas pressure.
First first is opened when this steam combustion supporting device uses, second inlet pipeline 3, the water inlet switch 5 of 14 combines the comb water filling of 12 respectively toward combustion-supporting comb combination 2 and external air feed comb, when the numerical value of water-level gauge 6 reaches default high-value, water inlet switch 5 is closed automatically, close the flow control valve 11 of steam combustion supporting pipeline 7 and external supply air line 15 simultaneously, then the coal ignited in fire box 1, coal-fired 10 to the water heating in combustion-supporting comb combination 2, thus produce a large amount of steam and be enclosed in steam combustion supporting pipeline 7, when coal burning obtains comparatively fully and steam in steam combustion supporting pipeline 7 reaches enough pressure, flow control valve 11 on steam combustion supporting pipeline 7 is opened, the steam of HTHP is ejected into the fire coal 10 of high temperature below fire bars 10, steam at high temperature rapid and coal reaction generates carbon monoxide and hydrogen, carbon monoxide and hydrogen burn in the gap at coal together with coal, thus play good combustion-supporting effect, make the burning of coal more abundant.The steam vapour amount sprayed can also be controlled by adjustment flow control valve 11, to adapt with the combustion process of coal, reach best combustion-supporting effect.The while that coal being clean-burning, also can the external air feed comb combination 12 on combustion-supporting comb combination 2 be heated, and produce a large amount of steam and be enclosed in external supply air line 15, when steam reaches enough pressure, flow control valve 11 on external supply air line 15 is opened, the high-temperature high-pressure steam that can externally supply.
Above-described is only a preferred embodiment of the present invention; it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention; can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (4)
1. one kind utilizes the coal stove of steam combustion supporting, it is characterized in that: directly over fire box (1), be provided with combustion-supporting comb combination (2) adapted with the size of fire box (1), combustion-supporting comb combination (2) is provided with at least 2 layers of snakelike comb (2.1) arranged in parallel, the straight tube pipeline of the snakelike comb of adjacent two layers (2.1) is mutually vertical, the snakelike comb of adjacent two layers (2.1) end to end between be connected in series successively by special-shaped connector bend (2.2), and the disconnected termination of bottom and the snakelike comb of top layer (2.1) is closed, whole combustion-supporting comb combination (2) is made to form a continuous print closing pipe line, the snakelike comb of bottom (2.1) of combustion-supporting comb combination (2) is connected with the first inlet pipeline (3), first inlet pipeline (3) stretches out outside furnace wall (4) and is connected with feed pipe, the first inlet pipeline (3) outside furnace wall (4) is also provided with water inlet switch (5) and water-level gauge (6), to control inflow, the snakelike comb of top layer (2.1) of combustion-supporting comb combination (2) is connected with the steam combustion supporting pipeline (7) of outwards drawing, steam combustion supporting pipeline (7) outwards passes backward upper extension one segment distance in furnace wall (4), bending stretching, extension downwards again, inwardly penetrate fire bars (8) below that furnace wall (4) enters fire box (1) again, its outlet nozzle (9) is facing to fire coal (10) the injection water steam of fire bars (8) top, steam combustion supporting pipeline (7) furnace wall (4) part outward be also provided with shunting automatic pressure reducing valve (16) and flow control valve (11) combustion-supporting supply gas pressure is controlled.
2. coal stove according to claim 1, it is characterized in that: the top of inherent combustion-supporting comb combination (2) of described fire box (1) is also provided with external air feed comb combination (12), external air feed comb combination (12) is provided with at least 3 layers of parallel comb (12.1), the pipeline of the parallel comb of adjacent two layers (12.1) is mutually vertical, hollow interlayer (13) is provided with in the furnace wall (4) of fire box (1) periphery, the two ends of each root straight tube of the parallel comb of each layer (12.1) are all connected with the hollow interlayer (13) in furnace wall (4), the second inlet pipeline (14) be connected with hollow interlayer (13) is provided with outside the furnace wall (4) of the parallel comb of bottom (12.1) correspondence position, second inlet pipeline (14) is connected with feed pipe, the second inlet pipeline (14) outside furnace wall (4) is also provided with water inlet switch (5) and water-level gauge (6), to control inflow, be provided with the external supply air line (15) be connected with hollow interlayer (13) outside the furnace wall (4) of the parallel comb of top layer (12.1) correspondence position, external supply air line (15) be also provided with flow control valve (11) and outside supply gas pressure is controlled.
3. coal stove according to claim 2, is characterized in that: the water inlet switch (5) on described first inlet pipeline (3) and the second inlet pipeline (14) adopts automatic control switch, and and water-level gauge (6) on its pipeline realize coordinated signals.
4. the coal stove according to any one of claims 1 to 3, is characterized in that: the portion envelops of described steam combustion supporting pipeline (7) outside furnace wall has insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510135532.0A CN104696982A (en) | 2015-03-26 | 2015-03-26 | Coal-fired stove with vapor supported combustion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510135532.0A CN104696982A (en) | 2015-03-26 | 2015-03-26 | Coal-fired stove with vapor supported combustion function |
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| Publication Number | Publication Date |
|---|---|
| CN104696982A true CN104696982A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510135532.0A Pending CN104696982A (en) | 2015-03-26 | 2015-03-26 | Coal-fired stove with vapor supported combustion function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106509966A (en) * | 2016-11-29 | 2017-03-22 | 黄俊柳 | Flue-cured tobacco stove utilizing water vapor combustion and secondary combustion |
| CN106871142A (en) * | 2017-04-13 | 2017-06-20 | 孙庆根 | Fire grate and household garbage particles burner |
| CN109654542A (en) * | 2019-01-18 | 2019-04-19 | 赵凯 | A kind of multifunctional energy-saving stove |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505230A (en) * | 1980-10-06 | 1985-03-19 | The Energy Equipment Company Ltd. | Fluidized bed combustion units |
| CN2181628Y (en) * | 1994-01-08 | 1994-11-02 | 周党生 | Energy-saving stove |
| CN2184861Y (en) * | 1994-01-15 | 1994-12-07 | 刘延鸿 | High efficiency energy saving boiler |
| CN2223423Y (en) * | 1994-12-28 | 1996-03-27 | 潘惠媛 | Hydration hydrogen stove |
| CN201014419Y (en) * | 2007-02-08 | 2008-01-30 | 陈利兴 | Energy-saving atmospheric steam boiler |
| CN204554864U (en) * | 2015-03-26 | 2015-08-12 | 黄俊柳 | A kind of coal stove utilizing steam combustion supporting |
-
2015
- 2015-03-26 CN CN201510135532.0A patent/CN104696982A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4505230A (en) * | 1980-10-06 | 1985-03-19 | The Energy Equipment Company Ltd. | Fluidized bed combustion units |
| CN2181628Y (en) * | 1994-01-08 | 1994-11-02 | 周党生 | Energy-saving stove |
| CN2184861Y (en) * | 1994-01-15 | 1994-12-07 | 刘延鸿 | High efficiency energy saving boiler |
| CN2223423Y (en) * | 1994-12-28 | 1996-03-27 | 潘惠媛 | Hydration hydrogen stove |
| CN201014419Y (en) * | 2007-02-08 | 2008-01-30 | 陈利兴 | Energy-saving atmospheric steam boiler |
| CN204554864U (en) * | 2015-03-26 | 2015-08-12 | 黄俊柳 | A kind of coal stove utilizing steam combustion supporting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106509966A (en) * | 2016-11-29 | 2017-03-22 | 黄俊柳 | Flue-cured tobacco stove utilizing water vapor combustion and secondary combustion |
| CN106871142A (en) * | 2017-04-13 | 2017-06-20 | 孙庆根 | Fire grate and household garbage particles burner |
| CN109654542A (en) * | 2019-01-18 | 2019-04-19 | 赵凯 | A kind of multifunctional energy-saving stove |
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Application publication date: 20150610 |