CN104019541A - Environment-friendly gasification counter-flow combustion hot-blast stove - Google Patents

Environment-friendly gasification counter-flow combustion hot-blast stove Download PDF

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Publication number
CN104019541A
CN104019541A CN201410212277.0A CN201410212277A CN104019541A CN 104019541 A CN104019541 A CN 104019541A CN 201410212277 A CN201410212277 A CN 201410212277A CN 104019541 A CN104019541 A CN 104019541A
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CN
China
Prior art keywords
gasification
combustion
combustion chamber
vaporizer
blast stove
Prior art date
Application number
CN201410212277.0A
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Chinese (zh)
Inventor
张宁
Original Assignee
广东易微环保能源科技有限公司
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Application filed by 广东易微环保能源科技有限公司 filed Critical 广东易微环保能源科技有限公司
Priority to CN201410212277.0A priority Critical patent/CN104019541A/en
Publication of CN104019541A publication Critical patent/CN104019541A/en

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Abstract

The invention discloses an environment-friendly gasification counter-flow combustion hot-blast stove. The environment-friendly gasification counter-flow combustion hot-blast stove comprises a combustion chamber, a heat exchange chamber and a gasification chamber for gasification and combustion of fuel. The combustion chamber is horizontally arranged, and both the gasification chamber and the heat exchange chamber are vertically arranged above the combustion chamber to form a gasification section type combustion U-shaped stove structure. The bottom of the gasification chamber and the bottom of the heat exchange chamber are connected with the combustion chamber through a first channel and a second channel respectively. The position, close to the first channel, of the inner side of a top plate of the combustion chamber stretches downwards to form a turbulent flow baffle. Positions, corresponding to the gasification chamber and the heat exchange chamber, of the bottom of the combustion chamber are respectively provided with a slag pit. The environment-friendly gasification counter-flow combustion hot-blast stove is simple in structure, convenient and quick to operate, high in combustion efficiency and small in environment pollution, and investment cost and operation cost are reduced.

Description

A kind of environmental protection gasification counter flow combustion hot-blast stove
Technical field
The present invention relates to a kind of hot-blast stove, relate in particular to a kind of environmental protection gasification counter flow combustion hot-blast stove that is widely used in the energy-saving heatings such as industrial stoving and agricultural greenhouse, independent building, industrial premises, public venue and rural households.
Background technology
Hot-blast stove is a kind of device that is used for adding hot-air.The defects such as hot-blast stove in the past exists smoke pollution serious, and the thermal efficiency is low, and burning is difficult to control, and dangerous hidden danger is larger; Though the part hot-blast stove occurring in recent years increases the thermal efficiency, smoke pollution makes moderate progress, but furnace type structure is comparatively complicated, to fuel require high and single, frequently feed intake, manual operation is loaded down with trivial details, thereby cost of investment and operating cost are all increased, so this type of hot-blast stove is just difficult to obtain promoting widely and using.
Summary of the invention
The object of this invention is to provide a kind of environmental protection gasification counter flow combustion hot-blast stove, simple in structure, simple operation, efficiency of combustion is high, and environmental pollution is little, has reduced cost of investment and operating cost.
For achieving the above object, the invention provides a kind of environmental protection gasification counter flow combustion hot-blast stove, comprise combustion chamber, Heat Room and for the vaporizer of gasification, and combustion fuel, the horizontal layout in described combustion chamber, the equal vertical of described vaporizer and Heat Room forms the U-shaped furnace binding of gasification segmented burning above described combustion chamber, and described vaporizer bottom is connected with described combustion chamber with second channel through first passage respectively with described Heat Room bottom, the top board inner side of described combustion chamber approaches described first passage position and is extended with turbulent baffle down, the corresponding described vaporizer in bottom of described combustion chamber and the position of Heat Room are respectively equipped with pit, the top of described vaporizer is provided with fuel inlet, described vaporizer inner bottom part is provided with fire grate, in described vaporizer, be furnished with the gasifying agent supply opening that closes on described fire grate.
Preferably, the length h of described turbulent baffle is 0~0.8 times of described combustion chamber vertical section height H, i.e. 0 < h/H≤0.8.
Preferably, described fuel is coal, scoot or agricultural crop straw.
Preferably, vertically arrange many parallel and spaced smoke pipes in described Heat Room, between two adjacent smoke pipes, be spaced apart air duct.
Preferably, described Heat Room top is provided with smoke box, and described smoke box top is provided with smoke discharging pipe.
Preferably, in described combustion chamber, be furnished with for air port.
Preferably, the operating condition of described U-shaped furnace binding is controlled to adjust by frequency conversion air blast and/or frequency converting induced draft fan, and the described air port that supplies is connected to described frequency conversion air blast and/or frequency converting induced draft fan.
Preferably, the outer wall of described vaporizer and described combustion chamber all adopts adiabatic heat-insulation structure.
Compared with prior art, environmental protection gasification counter flow combustion hot-blast stove of the present invention has following beneficial effect:
(1), described combustion chamber, vaporizer and Heat Room form the U-shaped furnace binding of gasification segmented burning, therefore not only overall structure is simply compact, cost is cheap, can also be according to different fuel, different heat demand, adjust in real time the burning operating load of stove, thereby greatly improve its energy-efficient performance and security performance; And the gasification segmented combustion system of body of heater is compared with conflagration stove in the past, can make gasification, and combustion speed controlled, can implement " banking fire ", and open fast combustion operation, this will be conducive to the raising of after-flame and the body of heater energy-efficient performance of fuel, thereby has reduced operating cost.
(2), described vaporizer vertical, thereby be conducive to fuel, in vaporizer, lay in and pile up, can realize intermittently and feeding intake, thereby greatly reduce manual operation.
(3), turbulent baffle is set in combustion chamber, disturbance that can enhanced burning gas, thus by being conducive to fuel after-flame, also play again the effect that dirt falls simultaneously, reduce environmental pollution.
(4), described fuel is coal, scoot or agricultural crop straw, i.e. the body of heater different fuel that can gasify, body of heater is not single to the requirement of fuel, and fuel price is cheap, thereby can further reduce the operating cost of body of heater and reduce cost of investment.
(5), the operating condition of described U-shaped furnace binding controls to adjust by frequency conversion air blast and/or frequency converting induced draft fan, thereby can implement the automatic operating of body of heater, greatly reduce manually-operated workload, save time, laborsaving, save worry, reduced cost of investment.
(6), in Heat Room, adopt smoke pipe heat exchange, thereby the service life that can improve heat exchange efficiency and smoke pipe.
(7), the outer wall of described vaporizer and described combustion chamber all adopts adiabatic heat-insulation structure, avoids body of heater heat radiation too fast, makes the fuel in body of heater be able to abundant burning, improves efficiency of combustion.
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of environmental protection gasification counter flow combustion hot-blast stove of the present invention.
Fig. 2 is the schematic diagram of the A-A direction of Fig. 1.
Fig. 3 is the schematic diagram of the B-B direction of Fig. 1.
The specific embodiment
With reference now to accompanying drawing, describe embodiments of the invention, in accompanying drawing, similarly element numbers represents similar element.
Please refer to Fig. 1-3, described environmental protection gasification counter flow combustion hot-blast stove comprises combustion chamber 1, Heat Room 2 and for the vaporizer 3 of gasification, and combustion fuel.The horizontal layout in described combustion chamber 1, described vaporizer 3 and the equal vertical of Heat Room 2 form the U-shaped furnace binding of gasification segmented burning above described combustion chamber 1, and described vaporizer 3 bottoms are connected with described combustion chamber 1 with second channel 5 through first passage 4 respectively with described Heat Room 2 bottoms.Described vaporizer 3 verticals are conducive to fuel in the interior deposit of vaporizer 3 and accumulation, can realize intermittently and feeding intake, thereby greatly reduce manual operation.The operating condition of described U-shaped furnace binding is controlled to adjust by frequency conversion air blast and/or frequency converting induced draft fan (not shown), to realize automation, controls, and greatly reduces manually-operated workload, save time, laborsaving, save worry, reduced cost of investment.
The outer wall of described combustion chamber 1 adopts adiabatic heat-insulation structure, can avoid dissipation of heat too fast, improves body of heater efficiency of combustion.In described combustion chamber 1, be furnished with for air port 6, the described air port 6 that supplies is connected to described frequency conversion air blast and/or frequency converting induced draft fan.The top board inner side of described combustion chamber 1 approaches described first passage 4 positions and is extended with turbulent baffle 7 down, described turbulent baffle 7 can strengthen the disturbance to burning gases, thereby also play again by being conducive to fuel after-flame the effect that dirt falls simultaneously, reduce environmental pollution, the length h of described turbulent baffle 7 is 0~0.8 times of described combustion chamber 1 vertical section height H, i.e. 0 < h/H≤0.8, this length h can make the disturbance better effects if of 7 pairs of burning gases of turbulent baffle, thereby can reach better dirt, falls effect and improves combustion rate.The corresponding described vaporizer 3 in bottom of described combustion chamber 1 and the position of Heat Room 2 are respectively equipped with pit 8.
Many parallel and spaced smoke pipes 9 of the interior vertical layout of described Heat Room 2, are spaced apart air duct between two adjacent smoke pipes 9, adopt smoke pipe 9 heat exchange, thus the service life that can improve heat exchange efficiency and smoke pipe 9.Smoke pipe 9 can adopt one way or many backhauls heat exchange.Described Heat Room 2 tops are provided with smoke box 10, and described smoke box 10 tops are provided with smoke discharging pipe 11.
The outer wall of described vaporizer 3 adopts adiabatic heat-insulation structure, can avoid dissipation of heat too fast, improves body of heater efficiency of combustion.The top of described vaporizer 3 is provided with fuel inlet 12.Described vaporizer 3 is for gasification, and combustion fuel, and described fuel is coal, scoot or agricultural crop straw, the equal less expensive of these fuel, thus further reduce the operating cost of body of heater and reduce cost of investment.Described vaporizer inner bottom part is provided with fire grate 13, is furnished with the gasifying agent supply opening 14 that closes on described fire grate 13, for delivery of gasifying agent in described vaporizer 3.
During use, fuel (coal, culled wood, all kinds of agricultural crop straw particles etc.) drops in described vaporizer 3 by the fuel inlet 12 at described vaporizer 3 tops, fuel is deposited in described vaporizer 3, press close under the effect of the gasifying agent that the fuel bed on the fire grate 13 of described vaporizer 3 bottoms provides at gasifying agent supply opening 14 places exothermic oxidation reaction occurs, the heat that produces is kept supplying the grate firing material reduction reaction that gasifies, lime-ash directly falls in the pit 8 corresponding with described vaporizer 3 of 1 bottom, described combustion chamber, can regularly from the cinder notch that removes of pit 8, clear up lime-ash; By interior the produced high-temperature combustible gas body adverse current of described vaporizer 3, by high-temperature oxydation district, ignited and enter described combustion chamber 1 by first passage 4; High-temperature combustible gas body in described combustion chamber 1 without igniting again and with for completing combustion together with the air of 6 confessions in air port, in described combustion chamber 1 due to the disturbance of turbulent baffle 7, the dust that high-temperature combustible gas body carries can further obtain sedimentation, and be collected in the pit 8 corresponding with described Heat Room 2 of 1 bottom, described combustion chamber, the high-temperature flue gas vertical lifting that completing combustion produces enters described Heat Room 2 through second channel 5 and carries out heat exchange; High-temperature flue gas along the smoke pipe 9 of described Heat Room 2 interior vertical layouts interior on flow away, the air duct between smoke pipe 9 is walked air, the low-temperature flue gas after heat exchange in smoke pipe 9 comes together in smoke box 10 and by smoke discharging pipe 11, through chimney, enters in atmosphere.At the interior heated air of described Heat Room 2, enter that to send warm air system be that user heats.
Hot-blast stove integral sealing of the present invention is strict, adiabatic heat-insulation, safe and reliable to operation, can be widely used in the energy-saving heatings such as industrial stoving and agricultural greenhouse, independent building, industrial premises, public venue and rural households.Hot-blast stove of the present invention can also according to user's real needs by hot-blast stove structure in vaporizer, combustion chamber and Heat Room adopts arranged apart or to change " box " be modes such as " barrel shapes ".
Invention has been described for above combination most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain the various modifications of carrying out according to essence of the present invention, equivalent combinations.

Claims (8)

1. environmental protection gasification counter flow combustion hot-blast stove, comprise combustion chamber, Heat Room and for the vaporizer of gasification, and combustion fuel, it is characterized in that: the horizontal layout in described combustion chamber, the equal vertical of described vaporizer and Heat Room forms the U-shaped furnace binding of gasification segmented burning above described combustion chamber, and described vaporizer bottom is connected with described combustion chamber with second channel through first passage respectively with described Heat Room bottom, the top board inner side of described combustion chamber approaches described first passage position and is extended with turbulent baffle down, the corresponding described vaporizer in bottom of described combustion chamber and the position of Heat Room are respectively equipped with pit, the top of described vaporizer is provided with fuel inlet, described vaporizer inner bottom part is provided with fire grate, in described vaporizer, be furnished with the gasifying agent supply opening that closes on described fire grate.
2. environmental protection gasification counter flow combustion hot-blast stove as claimed in claim 1, is characterized in that: the length h of described turbulent baffle is 0~0.8 times of described combustion chamber vertical section height H, i.e. 0 < h/H≤0.8.
3. environmental protection gasification counter flow combustion hot-blast stove as claimed in claim 1, is characterized in that: described fuel is coal, scoot or agricultural crop straw.
4. environmental protection as claimed in claim 1 gasification counter flow combustion hot-blast stove, is characterized in that: in described Heat Room, vertically arrange many parallel and spaced smoke pipes, between two adjacent smoke pipes, be spaced apart air duct.
5. environmental protection gasification counter flow combustion hot-blast stove as claimed in claim 1, is characterized in that: described Heat Room top is provided with smoke box, and described smoke box top is provided with smoke discharging pipe.
6. environmental protection gasification counter flow combustion hot-blast stove as claimed in claim 1, is characterized in that: in described combustion chamber, be furnished with for air port.
7. environmental protection as claimed in claim 6 gasification counter flow combustion hot-blast stove, it is characterized in that: the operating condition of described U-shaped furnace binding is controlled to adjust by frequency conversion air blast and/or frequency converting induced draft fan, the described air port that supplies is connected to described frequency conversion air blast and/or frequency converting induced draft fan.
8. the gasification of the environmental protection as described in claim 1 to 7 any one counter flow combustion hot-blast stove, is characterized in that: the outer wall of described vaporizer and described combustion chamber all adopts adiabatic heat-insulation structure.
CN201410212277.0A 2014-05-19 2014-05-19 Environment-friendly gasification counter-flow combustion hot-blast stove CN104019541A (en)

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Application Number Priority Date Filing Date Title
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CN104019541A true CN104019541A (en) 2014-09-03

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344549A (en) * 2014-11-11 2015-02-11 太仓顺鑫涂装机械有限公司 Biomass hot blast stove
CN105135418A (en) * 2015-08-27 2015-12-09 武汉奥杰科技股份有限公司 Mixed combustion type vertical hot wind equipment
CN105444410A (en) * 2015-12-28 2016-03-30 安徽泰格生物技术股份有限公司 Biomass hot blast stove and application thereof
CN107525390A (en) * 2017-08-01 2017-12-29 天津农盛农业科技有限公司 Straw bundle direct combustion pot arch
CN108931054A (en) * 2018-06-04 2018-12-04 河南龙成煤高效技术应用有限公司 A kind of hot-blast stove and the method for controlling its burning

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104344549A (en) * 2014-11-11 2015-02-11 太仓顺鑫涂装机械有限公司 Biomass hot blast stove
CN105135418A (en) * 2015-08-27 2015-12-09 武汉奥杰科技股份有限公司 Mixed combustion type vertical hot wind equipment
CN105444410A (en) * 2015-12-28 2016-03-30 安徽泰格生物技术股份有限公司 Biomass hot blast stove and application thereof
CN107525390A (en) * 2017-08-01 2017-12-29 天津农盛农业科技有限公司 Straw bundle direct combustion pot arch
CN108931054A (en) * 2018-06-04 2018-12-04 河南龙成煤高效技术应用有限公司 A kind of hot-blast stove and the method for controlling its burning

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Application publication date: 20140903