CN202973065U - Horizontal type back-fire coal-fired boiler - Google Patents
Horizontal type back-fire coal-fired boiler Download PDFInfo
- Publication number
- CN202973065U CN202973065U CN 201220698190 CN201220698190U CN202973065U CN 202973065 U CN202973065 U CN 202973065U CN 201220698190 CN201220698190 CN 201220698190 CN 201220698190 U CN201220698190 U CN 201220698190U CN 202973065 U CN202973065 U CN 202973065U
- Authority
- CN
- China
- Prior art keywords
- water
- boiler
- combustion chamber
- heater
- dividing plate
- Prior art date
Links
- 239000011901 water Substances 0.000 claims abstract description 50
- 238000002485 combustion reactions Methods 0.000 claims abstract description 31
- 239000010410 layers Substances 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims abstract description 4
- 239000003245 coal Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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[C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gases Substances 0.000 claims description 4
- 239000000446 fuels Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract 6
- 238000010304 firing Methods 0.000 abstract 1
- 210000000481 Breast Anatomy 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
Abstract
The utility model relates to a horizontal type back-fire coal-fired boiler which is characterized in that a back-fire coal-firing mode is adopted in the boiler. Three water wall partition boards are perpendicularly arranged in a boiler body, wherein two water wall partition boards are upper water wall partition boards, the third water wall partition board is a lower water wall partition board, the water wall partition boards divide the boiler body into three combustion chambers and a burn-out chamber, a second combustion chamber, a third combustion chamber and the burn-out chamber form a multi-return-stroke flue structure, the path of smoke flow is of an N shape, a fire-watch hole and an ash-discharge hole are formed in a side face of the boiler body, and a first-layer water pipe grate and a second-layer water pipe grate are arranged on the lower portion of a first combustion chamber. The horizontal type back-fire coal-fired boiler has the advantages that the multi-return-stroke structure is adopted, thus fuel can be burnt sufficiently, heat energy can be released effectively, and environmental protection effect is good. Further, two-layer water pipe grates are arranged in the first combustion chamber, thus the boiler is fast in temperature rise, thermal efficiency is high, and energy-saving effect is good.
Description
Technical field
The utility model relates to a kind of boiler, relates in particular to a kind of Horizontal flashback coal burning boiler.
Background technology
At present, existing coal-burning boiler is a lot, the inadequate problem of ubiquity fuel combustion, these boilers adopt forward combustion, both fuel on fire grate the burning after, in burner hearth hot flue gas from bottom to top, by furnace outlet and convection bank, arrive chimney through air-introduced machine, this mode programming rate is slow, and the thermal efficiency is low, and fuel can not fully burn, not only wasted the energy, and polluted the environment.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of Horizontal flashback coal burning boiler, and combustion efficiency is good, and is rational in infrastructure, energy-conserving and environment-protective.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of Horizontal flashback coal burning boiler, boiler adopts the coal-fired mode of backfire, vertically be provided with three water wall dividing plates in body of heater, wherein two is upper water wall dividing plate, another is lower water wall dividing plate, water wall dividing plate is divided into three combustion chambers and a secondary furnace with body of heater, and the second combustion chamber, the 3rd combustion chamber, secondary furnace form many return stroke smoke path structures, and the flue gas stream path is N shape trend; Described body of heater side is provided with sees burner and cleaning door.
Described the first bottom, combustion chamber is provided with ground floor water pipe furnace grate and second layer water pipe furnace grate.
Compared with prior art, the beneficial effects of the utility model are:
Adopt many return structures, can make the abundant after-flame of fuel, efficiently discharge heat energy, environment protecting is good, and is provided with two layers of water pipe furnace grate, makes boiler heating faster, and the thermal efficiency is high, good energy-conserving effect.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: under upper water wall dividing plate one 13-of 1-first combustion chamber 2-the second combustion chamber 3-the 3rd combustion chamber 4-coal and air inlet 5-deashing and breast hole 6-ground floor water pipe furnace grate 7-second layer water pipe furnace grate 8-atmospheric communicating pipe 9-delivery port 10-cleaning door one 11-chimney 12-, the upper water wall dividing plate two 15-convection tube 16-water return outlet 17-of water wall dividing plate 14-see burner 18-cleaning door two 19-secondary furnace 20-bodies of heater.
The specific embodiment
Below in conjunction with Figure of description, the utility model is described in detail, but should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, a kind of Horizontal flashback coal burning boiler, boiler adopts the coal-fired mode of backfire, body of heater 20 is interior vertically is provided with three water wall dividing plates, wherein two is upper water wall dividing plate, and another is lower water wall dividing plate 13, and water wall dividing plate is divided into three combustion chambers and a secondary furnace 19 with body of heater, the second combustion chamber 2, the 3rd combustion chamber 3, secondary furnace 19 forms many return stroke smoke path structures, and the flue gas stream path is N shape trend; Described body of heater 20 sides are provided with sees burner 7 and cleaning door 2 18.
1 bottom, described the first combustion chamber is provided with ground floor water pipe furnace grate 6 and second layer water pipe furnace grate 7.
The front of body of heater 20 is provided with coal and air inlet 4, and deashing and breast hole 5 have been provided with atmospheric communicating pipe 8 above body of heater, delivery port 9, cleaning door 1, chimney 11.body of heater 20 is interior arranges three vertical water wall dividing plates, wherein two is upper water wall dividing plate 1 and upper water wall dividing plate 2 14, lower water wall dividing plate 13 in the middle of them, body of heater is divided into three combustion chambers and a secondary furnace 19, the cavity that body of heater 20 antethecas and upper water wall dividing plate 1 form is the first combustion chamber 1, upper water wall dividing plate 1 is the second combustion chamber 2 with the cavity that lower water wall dividing plate 13 forms, lower water wall dividing plate 13 is the 3rd combustion chamber 3 with the cavity that upper water wall dividing plate 2 14 forms, upper water wall dividing plate 2 14 is secondary furnace 19 with the cavity that body of heater 20 rear walls form, be provided with many row's convection tubes 15 in the 3rd combustion chamber 3 and secondary furnace 19, convection tube 15 communicates with body of heater 20.Three vertical water wall dividing plates communicate with body of heater 20, and flue gas forms N shape trend in 2, the three combustion chambers 3, the second combustion chamber and secondary furnace 19.There are two layers of water pipe furnace grate the first bottom, combustion chamber: ground floor water pipe furnace grate 6 and second layer water pipe furnace grate 7, the side of body of heater 20 are provided with sees burner 17, cleaning door 2 18, and the body of heater back is provided with water return outlet 16.
The utility model adopts many return structures, can make the abundant after-flame of fuel, efficiently discharges heat energy, and environment protecting is good, and is provided with two layers of water pipe furnace grate, makes boiler heating faster, and the thermal efficiency is high, good energy-conserving effect.
Claims (2)
1. Horizontal flashback coal burning boiler, it is characterized in that, boiler adopts the coal-fired mode of backfire, vertically be provided with three water wall dividing plates in body of heater, wherein two is upper water wall dividing plate, and another is lower water wall dividing plate, and water wall dividing plate is divided into three combustion chambers and a secondary furnace with body of heater, the second combustion chamber, the 3rd combustion chamber, secondary furnace form many return stroke smoke path structures, and the flue gas stream path is N shape trend; Described body of heater side is provided with sees burner and cleaning door.
2. a kind of Horizontal flashback coal burning boiler according to claim 1, is characterized in that, described the first bottom, combustion chamber is provided with ground floor water pipe furnace grate and second layer water pipe furnace grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698190 CN202973065U (en) | 2012-12-17 | 2012-12-17 | Horizontal type back-fire coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698190 CN202973065U (en) | 2012-12-17 | 2012-12-17 | Horizontal type back-fire coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202973065U true CN202973065U (en) | 2013-06-05 |
Family
ID=48514135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220698190 CN202973065U (en) | 2012-12-17 | 2012-12-17 | Horizontal type back-fire coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202973065U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615728A (en) * | 2013-11-06 | 2014-03-05 | 李观德 | Method and high-temperature pot and furnace device for combusting biomass in combustor in environment-friendly manner |
| CN103615729A (en) * | 2013-11-06 | 2014-03-05 | 李观德 | High-temperature environment-friendly burning method and device for harmless refuse treatment |
| CN104791996A (en) * | 2015-05-04 | 2015-07-22 | 李发军 | Novel efficient energy-saving non-pressure boiler |
| CN105387616A (en) * | 2015-12-08 | 2016-03-09 | 徐昌艳 | Full automatic backfire type straw gasification furnace |
-
2012
- 2012-12-17 CN CN 201220698190 patent/CN202973065U/en active IP Right Grant
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615728A (en) * | 2013-11-06 | 2014-03-05 | 李观德 | Method and high-temperature pot and furnace device for combusting biomass in combustor in environment-friendly manner |
| CN103615729A (en) * | 2013-11-06 | 2014-03-05 | 李观德 | High-temperature environment-friendly burning method and device for harmless refuse treatment |
| CN103615729B (en) * | 2013-11-06 | 2016-04-27 | 李观德 | Rubbish processing to be harmless high-temperature environmental-protection combustion method and device |
| CN103615728B (en) * | 2013-11-06 | 2016-10-05 | 李观德 | Biomass environment-friendly burner combustion method and high temperature pan-furnace device |
| CN104791996A (en) * | 2015-05-04 | 2015-07-22 | 李发军 | Novel efficient energy-saving non-pressure boiler |
| CN104791996B (en) * | 2015-05-04 | 2017-12-26 | 李发军 | A kind of novel high-efficiency and energy-saving pressure-less boiler |
| CN105387616A (en) * | 2015-12-08 | 2016-03-09 | 徐昌艳 | Full automatic backfire type straw gasification furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |