CN100402923C - Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate - Google Patents
Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate Download PDFInfo
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- CN100402923C CN100402923C CNB2006100451919A CN200610045191A CN100402923C CN 100402923 C CN100402923 C CN 100402923C CN B2006100451919 A CNB2006100451919 A CN B2006100451919A CN 200610045191 A CN200610045191 A CN 200610045191A CN 100402923 C CN100402923 C CN 100402923C
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Abstract
The present invention relates to a smokeless, coal saving type horizontal heat transfer oil stove with a mechanical fire grate. A heating zone is arranged on the upper part of a stove body, and a thermal gas supply area is arranged at the lower part of the stove body. A heat conducting oil pipe is arranged in the stove body of the heating zone. A thermal gas inlet is arranged at the bottom of the heating zone, and a draught fan is arranged at the top part of the heating zone. The thermal gas supply area is provided with a coal-burning device which is provided with a burning hearth, a mechanical fire grate, a coaling device and a high-temperature gas outlet. The high-temperature gas outlet is positioned at the front surface of a rear stove arch. The high-temperature gas outlet is correspondingly provided with the thermal gas inlet. The present invention is characterized in that the top part of the cross section of the hearth is in a vortex burning arch; a burning supporting tuyere is arranged on the side wall of the hearth; the burning supporting tuyere contacts the arch on the top part of the hearth; the high-temperature gas outlet is arranged at the rear part of the hearth. The present invention has the advantages of simple structure, low cost and easy implement, and thoroughly solves the problem of black smoke overflowing in burning. The Ringelmann blackness is zero; the present invention saves coal resources, also protects the environment, and has visible economical and social benefits.
Description
Technical field
The present invention relates to a kind of improved smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate.
Background technology
Heat-conducting oil furnace also claims boiler of organic heat carrier, is a kind of novel industrial boiler that just develops rise recent years.Conduction oil series boiler plant because volume is little, is installed and flexible arrangement, and operating cost is low, receives praises from customers, and market prospects are wide.
The thermal energy transfer of heat-conducting oil furnace and the form of circulation are to be medium with the conduction oil, utilize oil circulating pump to force conduction oil to carry out the liquid phase circulation, heat energy is flowed to the hot equipment of using by pipeline, conduction oil after overheated transmission cooling is got back to heating furnace by Returning pipe again and is reheated, and forms closed cycle.
Owing to use oil as heat transfer medium, can under lower pressure, obtain higher operating temperature (about 300 ℃), can control temperature accurately, need not water resource and water treatment facilities, service condition there is not harsh demand, can accurately control temperature, and simple structure, the maintenance and move very convenient, be a kind of safety coefficient than higher heating equipment, be widely used in industries such as weaving, printing and dyeing, food processing, paint coating, chemical industry equipment, materials for construction, artificial leather, wood-based plate, papermaking, timber production.
Heat-conducting oil furnace, the overwhelming majority is a fuel with the coal, has only only a few natural gas fuel, liquefied petroleum gas, light diesel under specific condition, because the petroleum fuel problem of ultra-high price, most of user still is that multiselect is made fuel with fire coal.All there is the sufficient inadequately problem of fired coal combustion basically in existing coal-burning installation, the black smoke discharging is serious, (comprise chain furnace grate for some large-scale stoker fired grates, reciprocating fire grate etc.) coal-fired utility, situation is a little better, the discharging flue gas also is grey or grey black look, cause environmental pollution on the one hand, what exist on the other hand is the serious waste of the energy, combustion power is medium coal-burning installation between 1.4MW-4.8MW, coal consumption is 6-20 ton/24 hour, and coal consumption is quite big, and coal-fired flue-gas pollutes quite serious, the coal resource waste also is quite surprising, has seriously restricted the smooth implementation of environmental protection and energy saving societies.
Summary of the invention
The object of the present invention is to provide a kind of smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate, can solve coal-fired over-emitting black exhaust problem, save coal resource, the protection environment.
Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate of the present invention, the top of body of heater is the thermal treatment zone, and the bottom of body of heater is the hot gas supply area, is fitted with heat-conducting oil pipes in the body of heater of the thermal treatment zone, the hot gas import is arranged at bottom, the thermal treatment zone, and the top of the thermal treatment zone is provided with air-introduced machine; The hot gas supply area has coal-burning installation, coal-burning installation has burner hearth, stoker fired grate, coal supply apparatus and high-temperature gas outlet, the high-temperature gas outlet is positioned at chimney arch front, back, high-temperature gas outlet and the corresponding setting of the hot gas import of the thermal treatment zone, the top of its burner hearth cross section is the arch that forms swirl flow combustion, the sidewall of burner hearth is fitted with the combustion-supporting air port of leading to burner hearth, and the arch of combustion-supporting air port and roof of the furnace is tangent, and the rear portion of burner hearth is the high-temperature gas outlet.
Under coal-fired operation at stoker fired grate drives, be transported to burner hearth preheating zone and combustion zone successively, in the preheating zone, fugitive constituent in the fire coal begins to separate out and burn, after entering the combustion zone, remaining fugitive constituent continues to separate out fast burning, fugitive constituent and flammable dust form flue gas, upwards pour in the swirl flow combustion zone of roof of the furnace together, form the rotation type air current burning, the burner hearth sidewall combustion air combustion-supporting down, burning gases and combustion air mix stirring, and quicken the rotation reinforcement simultaneously and mix, and quick fierce burning produces a large amount of heat energy, fire box temperature is raise fast, promoted the condition of effect of combustion and elimination flue dust more.When combustion mixture stream reaches the exit at burner hearth rear portion, orderly gas cyclone by export expansion, fill the air, form the high temperature turbulent area, collide mutually between all gases, tear and turn round, be ground into some irregular gas whirlpools, be full of whole high temperature turbulent area, burning is peaked, form the high-temperature region of burner hearth, become coke along with fugitive constituent consumes substantially, the coke of necessary process high temperature ability after-flame is at the further after-flame in this high-temperature region.Self rising power of combustion-gas flow, in conjunction with the power of air-introduced machine, the negative pressure that forms in the thermal treatment zone makes the combustion-gas flow bending upwards; along with burning, rush in the thermal treatment zone, with the thorough in the lump after-flame of all combustibles; flue gas will not exist; lingemann blackness is false, and traditional smoke-discharging pollution and burning energy waste not to the utmost are solved, and do not have black smoke or grey cigarette; has only pure, clean, colourless, tasteless hot gas; save resource, protected environment, improved the thermal efficiency.
Clean clean red-hot air-flow and in the thermal treatment zone of body of heater, carry out heat exchange with heat-conducting oil pipes, the conduction oil of heat-conducting oil pipes is heated, provide power that heat energy is sent in streams to a place with on the hot equipment by the work oil pump, conduction oil after the release heat returns the oil pump heat-conducting oil furnace by oil returning tube, reheated, formed closed cycle.
Preferably burner hearth is divided into the two parts that communicate up and down, cross section is R shape, and burner hearth sidewall is provided with the combustion-supporting air channel of leading to upper furnace along the pin of R shape, and it is more abundant to burn, and preferably is equipped with the combustion-supporting air channel of leading to upper furnace along two pins.So-called R shape also can be anti-R shape, can form clockwise eddy flow burning and counterclockwise swirl flow combustion respectively.
Burner hearth sidewall is set up the combustion-supporting air channel of leading to lower hearth along the pin of R shape, further promotes burning preferably to be equipped with the combustion-supporting air channel of leading to lower hearth along two pins.
Cross section is the also just approximate pictograph of R shape structure to be described, can there be distortion to a certain degree to develop, two pins as R shape can be that symmetry tilts, can set up the combustion-supporting air channel of leading to lower hearth along two inclination pins, the cross section of vortex furnace can be rounded or ellipse etc., burner hearth can be positioned at the middle part of body of heater, also can be positioned at the middle part of body of heater, especially during symmetrical structure, generally be positioned at the middle part, at this moment, R shape structure will develop into approximate Ω shape, or the like.
In practice, the longitudinal length and the transverse width of body of heater is set as required, when the longitudinal length of body of heater was big, combustion-supporting air channel can distribute on longitudinal length and be provided with severally, guarantees fully to burn.
Compare with existing horizontal mechanical fire grate heat-conducting oil furnace structure, just coal-burning installation is partly improved, other parts can be continued to use original structure fully, therefore, can directly carry out scene transformation to existing similar machines fire grate heat-conducting oil furnace.
Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate of the present invention; simple in structure, cheap, implement easily; thoroughly solved coal-fired over-emitting black exhaust problem; the waste gas water white transparency of discharging, clean, pollution-free has reached pure smokeless effect, and lingemann blackness is 0; difference according to ature of coal can be saved coal-fired 30%-40%; both saved coal resource, protected environment again, economic benefit and obvious social benefit.
Description of drawings
Fig. 1, one embodiment of the invention structural representation.
The A-A cross-sectional structure schematic diagram of coal-burning installation 16 among Fig. 2, Fig. 1.
Among the figure: 1, air-introduced machine connects the mouth of pipe 2, body of heater 3, heat-conducting oil pipes 4, high-temperature gas outlet 5, back chimney arch 6, chain furnace grate 7, chain drum 8, lime-ash outlet 9, chain drum 10, following coal valve 11, following coal flashboard 12, combustion-supporting air port 13, coal bunker 14, following coal flashboard lifting wheel 15, combustion-supporting air port 16, coal-burning installation 17, upper furnace 18, hot gas import 19, the thermal treatment zone 20,22,23,24, combustion-supporting air channel 21, lower hearth F1, F2, F3, combustion air.
The specific embodiment
The present invention is further illustrated below in conjunction with the embodiment accompanying drawing.
As depicted in figs. 1 and 2, smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate of the present invention, the top of body of heater is the thermal treatment zone 19, the bottom of body of heater is the hot gas supply area, be fitted with heat-conducting oil pipes 3 in the body of heater 2 of the thermal treatment zone, hot gas import 18 is arranged at 19 bottoms, the thermal treatment zone, and the top of the thermal treatment zone 19 connects the mouth of pipe 1 by air-introduced machine and connects air-introduced machine; The hot gas supply area has coal-burning installation 16, coal-burning installation 16 has burner hearth, chain furnace grate 6, coal supply apparatus and high-temperature gas outlet 4, coal supply apparatus is by coal bunker 13, following coal valve 10, following coal flashboard 11 and following coal flashboard lifting wheel 14 are formed, high-temperature gas outlet 4 is positioned at chimney arch 5 fronts, back, the hot gas import 18 corresponding settings of high-temperature gas outlet 4 and the thermal treatment zone 29, the top of the burner hearth cross section of burner 16 is the arch that forms swirl flow combustion, burner hearth is divided into the two parts that communicate up and down, cross section is R shape, burner hearth sidewall is provided with the combustion-supporting air channel 24 of leading to upper furnace 17 along two pins of R shape, 20 and lead to the combustion-supporting air channel 23 of lower hearth 21,22, the combustion-supporting air port in combustion-supporting air port 15 and combustion-supporting air channel 20 and the arch of roof of the furnace are tangent, and the rear portion of burner hearth is high-temperature gas outlet 4.There is anti-slag grey iron block chain fire-gate both sides, also claim the sealing iron block, are used for the both sides of sealed chain fire grate to prevent to leak out and leaks coal, and the lime-ash that also prevents molten state simultaneously sticks in and forms slag nodule on the inboard wall of burner hearth, and influence normally moves.
Running:
Under coal-fired operation at the chain-type stoker fired grate drives, from left to right be transported to burner hearth preheating zone and combustion zone successively, in the preheating zone, fugitive constituent in the fire coal begins to separate out and burn, after entering the combustion zone, remaining fugitive constituent continues to separate out fast burning, fugitive constituent and flammable dust form flue gas, upwards pour in the swirl flow combustion zone of roof of the furnace together, the burning of formation rotation type air current, in the combustion-supporting air channel 24 of burner hearth sidewall, 23,20,22 combustion airs that provide are combustion-supporting down, burning gases and combustion air mix stirring, and quicken the rotation reinforcement simultaneously and mix, and quick fierce burning produces a large amount of heat energy, fire box temperature is raise fast, promoted the condition of effect of combustion and elimination flue dust more.When the high-temperature gas that combustion mixture stream reaches the burner hearth rear portion exports 4 places, orderly gas cyclone by export expansion, fill the air, form the high temperature turbulent area, collide mutually between all gases, tear and turn round, be ground into some irregular gas whirlpools, be full of whole high temperature turbulent area, burning is peaked, form the high-temperature region of burner hearth, become coke along with fugitive constituent consumes substantially, the coke of necessary process high temperature ability after-flame is at the further after-flame in this high-temperature region.Self rising power of combustion-gas flow, in conjunction with the power of air-introduced machine, the negative pressure that forms in the thermal treatment zone makes the combustion-gas flow bending upwards, along with burning, rushes in the thermal treatment zone 19, and with all combustibles thorough after-flame in the lump, clean white lime-ash is discharged from lime-ash outlet 8.Clean clean red-hot air-flow and heat-conducting oil pipes 3 carries out heat exchange, conduction oil in the heat-conducting oil pipes 5 is heated, provide power that heat energy is sent in streams to a place with on the hot equipment by the work oil pump, conduction oil after the release heat returns the oil pump heat-conducting oil furnace by oil returning tube, reheated, formed closed cycle.
Cloth wind box can be passed through in each combustion-supporting air channel, realizes that as required cloth wind distributes, and provides cloth pneumatic power by same power source, simplifies auxiliary equipment.
Air feed system can be equipped with the automation frequency-changing control system, realizes automation mechanized operation.Mode as the available frequency control of adjusting of wind supply quantity solves, that is changes the method control wind supply quantity of the rotating speed of blower fan by the frequency that changes fan power.Utilize flue gas sensor (the industrial electronic retail department all has commercially available), as zirconium dioxide flue gas sensor, it presents " gas sensitive effect " to carbon monoxide, as long as it is exactly anoxic that flue gas is arranged, as long as anoxic just certainly leads to carbon monoxide, so the content of detection CO gas how much, also just directly reflected " air distribution coefficient " and the combustion conditions of combustion apparatus inside.The content of CO gas is become on the voltage signal input terminal that voltage signal is input to frequency converter, can utilize the voltage signal controlled frequency to change, the frequency conversion out-put supply is exactly the power supply of air blast.
Claims (5)
1. smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate, the top of body of heater is the thermal treatment zone, and the bottom of body of heater is the hot gas supply area, is fitted with heat-conducting oil pipes in the body of heater of the thermal treatment zone, and the hot gas import is arranged at bottom, the thermal treatment zone, and the top of the thermal treatment zone is provided with air-introduced machine; The hot gas supply area has coal-burning installation, coal-burning installation has burner hearth, stoker fired grate, coal supply apparatus and high-temperature gas outlet, the high-temperature gas outlet is positioned at chimney arch front, back, high-temperature gas outlet and the corresponding setting of the hot gas import of the thermal treatment zone, the top that it is characterized in that the burner hearth cross section is the arch that forms swirl flow combustion, the sidewall of burner hearth is fitted with the combustion-supporting air port of leading to burner hearth, and the arch of combustion-supporting air port and roof of the furnace is tangent, and the rear portion of burner hearth is the high-temperature gas outlet.
2. smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate according to claim 1 is characterized in that burner hearth is divided into the two parts that communicate up and down, and cross section is R shape, and the sidewall of burner hearth is provided with the combustion-supporting air channel of leading to upper furnace along the pin of R shape.
3. smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate according to claim 2 is characterized in that burner hearth sidewall is equipped with the combustion-supporting air channel of leading to upper furnace along two pins of R shape.
4. according to claim 2 or 3 described smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate, it is characterized in that burner hearth sidewall is provided with the combustion-supporting air channel of leading to lower hearth along the pin of R shape.
5. smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate according to claim 4 is characterized in that burner hearth sidewall is equipped with the combustion-supporting air channel of leading to lower hearth along two pins of R shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100451919A CN100402923C (en) | 2006-06-29 | 2006-06-29 | Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100451919A CN100402923C (en) | 2006-06-29 | 2006-06-29 | Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate |
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| Publication Number | Publication Date |
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| CN1873323A CN1873323A (en) | 2006-12-06 |
| CN100402923C true CN100402923C (en) | 2008-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100451919A Expired - Fee Related CN100402923C (en) | 2006-06-29 | 2006-06-29 | Smokeless, coal saving type horizontal heat transfer oil stove with mechanical fire grate |
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| CN204678477U (en) * | 2014-04-29 | 2015-09-30 | 郭志男 | A kind of hot air-float hood that can make full use of heat energy |
| CN107796005A (en) * | 2017-11-24 | 2018-03-13 | 江苏三井环保股份有限公司 | Industrial sludge UTILIZATION OF VESIDUAL HEAT IN incinerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4545307A (en) * | 1984-04-23 | 1985-10-08 | Babcock-Hitachi Kabushiki Kaisha | Apparatus for coal combustion |
| US6148744A (en) * | 1999-09-21 | 2000-11-21 | Abb Alstom Power Inc. | Coal firing furnace and method of operating a coal-fired furnace |
| CN1133036C (en) * | 2000-08-18 | 2003-12-31 | 王树洲 | High efficiency coal burner without pollution |
| CN1707160A (en) * | 2005-05-23 | 2005-12-14 | 哈尔滨工业大学 | W-shape flame furnace with gradation coal burner |
| CN1763426A (en) * | 2005-09-30 | 2006-04-26 | 王树洲 | Double swirl-flow combustion apparatus for industrial boiler and kiln |
| CN2919032Y (en) * | 2006-06-29 | 2007-07-04 | 王树洲 | Smokeless, coal saving type horizontal mechanical fire grate heat conductive oil furnace |
-
2006
- 2006-06-29 CN CNB2006100451919A patent/CN100402923C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4545307A (en) * | 1984-04-23 | 1985-10-08 | Babcock-Hitachi Kabushiki Kaisha | Apparatus for coal combustion |
| US6148744A (en) * | 1999-09-21 | 2000-11-21 | Abb Alstom Power Inc. | Coal firing furnace and method of operating a coal-fired furnace |
| CN1133036C (en) * | 2000-08-18 | 2003-12-31 | 王树洲 | High efficiency coal burner without pollution |
| CN1707160A (en) * | 2005-05-23 | 2005-12-14 | 哈尔滨工业大学 | W-shape flame furnace with gradation coal burner |
| CN1763426A (en) * | 2005-09-30 | 2006-04-26 | 王树洲 | Double swirl-flow combustion apparatus for industrial boiler and kiln |
| CN2919032Y (en) * | 2006-06-29 | 2007-07-04 | 王树洲 | Smokeless, coal saving type horizontal mechanical fire grate heat conductive oil furnace |
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| CN1873323A (en) | 2006-12-06 |
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Granted publication date: 20080716 |