CN201138061Y - Direct heating type hot-air stove - Google Patents
Direct heating type hot-air stove Download PDFInfo
- Publication number
- CN201138061Y CN201138061Y CNU2007200603396U CN200720060339U CN201138061Y CN 201138061 Y CN201138061 Y CN 201138061Y CN U2007200603396 U CNU2007200603396 U CN U2007200603396U CN 200720060339 U CN200720060339 U CN 200720060339U CN 201138061 Y CN201138061 Y CN 201138061Y
- Authority
- CN
- China
- Prior art keywords
- heater
- bag
- stove
- hot
- direct
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 22
- 239000003570 air Substances 0.000 title abstract description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gases Substances 0.000 claims description 12
- 239000007789 gases Substances 0.000 claims description 4
- 239000011810 insulating materials Substances 0.000 claims description 3
- 239000003921 oils Substances 0.000 claims description 3
- 239000011148 porous materials Substances 0.000 claims description 3
- 239000000919 ceramics Substances 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 5
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 239000003245 coal Substances 0.000 abstract 1
- 238000002485 combustion reactions Methods 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 methods Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000010521 absorption reactions Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002283 diesel fuels Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000295 fuel oils Substances 0.000 description 1
- 239000000446 fuels Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayers Substances 0.000 description 1
- 239000000463 materials Substances 0.000 description 1
- 239000000203 mixtures Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011257 shell materials Substances 0.000 description 1
- 239000007921 sprays Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Abstract
Description
Technical field
The utility model relates to a kind of hot air generator, in particular for the direct-heating type hot-blast stove of ceramics factory.
Background technology
At present in the hot-blast stove that ceramics factory uses, the overwhelming majority all is the indirect heating type hot-blast stove, mainly form by combustion chamber and cigarette-air heat exchanger, the i.e. high-temperature flue gas that produces by the combustion chamber, come the indirect air by heat exchanger, the high-temperature hot-air of the cleaning that obtains is made heating agent, apply to technical process.
The advantage of indirect heating type hot-blast stove is the high-temperature hot-air that can obtain cleaning; Shortcoming is that the thermal efficiency is relatively low, and has increased huge heat-exchanger rig, the structure relative complex.
The utility model content
The purpose of this utility model provides a kind of heat-exchange apparatus, higher direct-heating type hot-blast stove of the thermal efficiency save.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of direct-heating type hot-blast stove, comprise body of heater and be installed in the interior burner hearth inner bag of body of heater, and be installed in the burner that cooperates with this burner hearth inner bag on the body of heater, its special feature is: form annular air channel thereby be provided with the gap between described body of heater inner surface and burner hearth inner bag outer surface, on the body of heater of described burner hearth inner bag exit one end, be provided with hot exhanst gas outlet, and the end away from this burner hearth inner bag exit is provided with the cold flue gas inlet on body of heater.
Wherein damper is installed in the cold flue gas porch.
Wherein on body of heater, have the combustion-supporting pore that is communicated with the burner hearth inner bag.
Wherein the inner surface at the burner hearth inner bag is equipped with heat-insulating material.
The stokehold gusset plate wherein is installed on body of heater.
Wherein burner is an oil burner.
Further, wherein between body of heater inner surface and burner hearth inner bag outer surface, annular oriffice is installed.
Owing to take technique scheme, for not only needing the heating agent heating but also requirement is not very high application to the hot blast cleanliness factor, as eliminate the white cigarette of ceramics factory's chimney, change indirect into direct heating, high-temperature flue gas is directly mixed with heated air, not only can save heat-exchange apparatus, and improve the thermal efficiency greatly.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model.
The specific embodiment
Come the utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of direct-heating type hot-blast stove, comprise body of heater 1 and the burner hearth inner bag 8 that is installed in the body of heater 1, and be installed in the burner 2 that cooperates with this burner hearth inner bag 8 on the body of heater 1, thereby between body of heater 1 inner surface and burner hearth inner bag 8 outer surfaces, be provided with the gap and form annular air channel, on the body of heater 1 of burner hearth inner bag 8 exits one end, be provided with hot exhanst gas outlet 5, and the end away from these burner hearth inner bag 8 exits is provided with cold flue gas inlet 3 on body of heater 1.
At cold flue gas 3 places that enter the mouth damper 4 is installed, on body of heater 1, have the combustion-supporting pore 6 that is communicated with burner hearth inner bag 8, inner surface at burner hearth inner bag 8 is equipped with heat-insulating material 10, stokehold gusset plate 7 is installed on body of heater 1, between body of heater 1 inner surface and burner hearth inner bag 8 outer surfaces, annular oriffice 9 is installed.
Burner 2 adopts oil burner 2.Fuel oil is 11 atomizing spray combustions in the combustion chamber, fully mix with the combustion fan air-supply of burner 2, and the high-temperature flue gas of generation and the part of circular passage 13 are heated that cold wet flue gas fully mixes at mixing chamber 12, discharge atmosphere after the drying.The cold wet flue gas of part draws smoke pipe by the ground chimney and introduces circular passage 13, surrounds burner hearth inner bag 8, through flowing after by forward direction after annular oriffice 9 current-sharings, by heat absorption the body of heater 1 radiation loss overwhelming majority is reclaimed, and flows into mixing chamber 12 at last and mixes with combustion product gases.
About body of heater 1 structure: body of heater 1 temperature is higher, circular passage 13 interlayer humidity are bigger, consider that stainless steel has stronger non-oxidizability and good creep strength in hot environment, therefore body of heater 1 inner casing selects for use corrosion resistant plate to make, the shell galvanized sheet, flue is inboard with high temperature thermal insulation material 10 cast-in-sites.In order to keep burner hearth part robustness stokehold gusset plate 7 to adopt QT45-5 cast iron, annular oriffice 9 adopts heat resisting steel to make.Fixed frame welds, paints and form with No. 8 channel-section steels.
The utility model can be used for eliminating the white cigarette of ceramics factory's chimney, eliminates chimney and emits " white cigarette " to take " temperature-raising method ", and flue gas is warming up to 70～90 ℃ of adjustable extents, does not then have white cigarette and produces.The fuel of burner 2 is selected 0# diesel oil for use, and the burn-off rate height can not form secondary pollution basically.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200603396U CN201138061Y (en) | 2007-11-29 | 2007-11-29 | Direct heating type hot-air stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200603396U CN201138061Y (en) | 2007-11-29 | 2007-11-29 | Direct heating type hot-air stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138061Y true CN201138061Y (en) | 2008-10-22 |
Family
ID=40038748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200603396U CN201138061Y (en) | 2007-11-29 | 2007-11-29 | Direct heating type hot-air stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138061Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697587A (en) * | 2013-11-29 | 2014-04-02 | 山西新聚星锅炉有限公司 | Indirect fuel-gas hot-air boiler |
| CN103697584A (en) * | 2013-11-29 | 2014-04-02 | 山西新聚星锅炉有限公司 | Full-automatic direct gas-fired hot blast heating furnace |
| CN104006647A (en) * | 2014-06-11 | 2014-08-27 | 李雪奎 | Heat exchanger |
| CN104501402A (en) * | 2014-12-03 | 2015-04-08 | 成都明康顺业科技有限公司 | Efficient fuel gas hot air stove |
| CN104896905A (en) * | 2015-05-07 | 2015-09-09 | 吕振生 | Efficient and energy-saving direct heating and heat exchanging device |
| CN105241059A (en) * | 2015-11-06 | 2016-01-13 | 上海惠铎环境能源科技有限公司 | Direct combustion type hot-blast stove |
| CN106288740A (en) * | 2016-08-26 | 2017-01-04 | 中车石家庄车辆有限公司 | A kind of grain drier hot air apparatus |
-
2007
- 2007-11-29 CN CNU2007200603396U patent/CN201138061Y/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697587A (en) * | 2013-11-29 | 2014-04-02 | 山西新聚星锅炉有限公司 | Indirect fuel-gas hot-air boiler |
| CN103697584A (en) * | 2013-11-29 | 2014-04-02 | 山西新聚星锅炉有限公司 | Full-automatic direct gas-fired hot blast heating furnace |
| CN104006647A (en) * | 2014-06-11 | 2014-08-27 | 李雪奎 | Heat exchanger |
| CN104501402A (en) * | 2014-12-03 | 2015-04-08 | 成都明康顺业科技有限公司 | Efficient fuel gas hot air stove |
| CN104501402B (en) * | 2014-12-03 | 2018-04-27 | 成都明康顺业科技有限公司 | A kind of high efficiency burnt gas hot-blast stove |
| CN104896905A (en) * | 2015-05-07 | 2015-09-09 | 吕振生 | Efficient and energy-saving direct heating and heat exchanging device |
| CN105241059A (en) * | 2015-11-06 | 2016-01-13 | 上海惠铎环境能源科技有限公司 | Direct combustion type hot-blast stove |
| CN106288740A (en) * | 2016-08-26 | 2017-01-04 | 中车石家庄车辆有限公司 | A kind of grain drier hot air apparatus |
| CN106288740B (en) * | 2016-08-26 | 2018-10-19 | 中车石家庄车辆有限公司 | A kind of grain drier hot air apparatus |
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