CN101270915B - Combined slurry combustion boiler with lower spinning type combustion chamber - Google Patents
Combined slurry combustion boiler with lower spinning type combustion chamber Download PDFInfo
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- CN101270915B CN101270915B CN 200810027491 CN200810027491A CN101270915B CN 101270915 B CN101270915 B CN 101270915B CN 200810027491 CN200810027491 CN 200810027491 CN 200810027491 A CN200810027491 A CN 200810027491A CN 101270915 B CN101270915 B CN 101270915B
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- combustion chamber
- combustion
- heat exchange
- lower spinning
- spinning type
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 67
- 238000009987 spinning Methods 0.000 title claims description 18
- 239000002002 slurry Substances 0.000 title claims description 15
- 239000000446 fuel Substances 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000002893 slag Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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Abstract
The invention discloses a combined pulpous fuel boiler provided with a downward screw type combustion chamber, consisting of a downward screw type combustion chamber and a heat exchange chamber, wherein the combustion chamber is arranged individually at the front part of the heat exchange chamber; the burning flame is in a spiral state, and the flame at the exit is in a rotating state; the combustion chamber is communicated with the heat exchange chamber; and the heat exchange chamber is provided with heat exchanging components. The invention can fully combust the pulpous fuel, thus saving energy and reducing the waste emission; and with simple structure, the invention is especially applicable to the pulpous fuel with higher ignition point; thereby having high utility value.
Description
Technical field
The present invention relates to the boiler plant technical field, more particularly relate to a kind of fire tube boiler that uses slurry class fossil fuel.
Background technology
The burnt slurry boiler of existing combusting coal water slurry, water all adopts the form of direct-fired combustion chamber and heat exchange element one, and such advantage is that economical with materials, boiler structure are compact, thermal loss is few.But produce a unfavorable factor: the radiation temperature on heat exchange element surface is limited, causes the fuel burn-off rate low, particularly to for example pulpous state fossil fuel of water-coal-slurry, the contour burning-point of petroleum charred slurry, can cause great energy waste and environmental pollution.Moreover its slag of direct-fired combustion chamber can enter rapidly Heat Room, causes accumulated slag, affects the heat exchange of heat-transfer surface and the normal operation of steam generator system; In addition, the many employings in existing combustion chamber are blown into the mode of combustion air in bottom of furnace body or middle repeatedly level, this air supply mode, can help fuel to burn quick and completely, but also have a drawback, the lime-ash fire door that easily flies out fast is unfavorable for deslagging in the stove, lime-ash concentration is also higher in the flue gas, and is larger to the pollution of ambient atmosphere environment.
Summary of the invention
Purpose of the present invention is exactly a kind of not only energy savings of providing for the deficiency that solves prior art, applied widely, deslagging ability is strong, and can greatly reduce the fire door dust-exhausting quantity, the combined slurry combustion boiler with lower spinning type combustion chamber that can accurately control the burning process parameter.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of combined slurry combustion boiler with lower spinning type combustion chamber, it is characterized in that: it comprises lower spinning type combustion chamber disconnected from each other and Heat Room, the combustion chamber is arranged in separately the front portion of Heat Room, burner by arranged tangential, make in the shape of a spiral attitude of combustion flame, at many jet airducts of combustor exit disposed inboard, produce the press-down type hot blast, so that the combustion flame periphery in exit is the state of being rotated down, reaching increases burning time, fully catches the purpose of slag.
As further specifying of such scheme, described combustion chamber is connected with Heat Room, is equipped with heat exchange element in the Heat Room, and this heat exchange element is classification, packet layout, by connected in series or in parallel.
Described heat exchange element is the fire-tube type heat exchange element.
Described jet airduct is along circumferential arrangement, and mouth of pipe direction downwards, tilt to the combustion chamber axis.
The external cavity that is filled with warm-up combustion-supporting air of described jet airduct, the preheat temperature scope of warm-up combustion-supporting air is 100～500 degrees centigrade, the air inlet place of jet airduct is provided with the valve of control warm-up combustion-supporting air flow.
The periphery of described combustor exit is provided with to the inclined-plane of axis inclination, and the jet airduct is fixed in the inboard on this inclined-plane, and this inclined-plane and combustion chamber axis angle are 15～85 °.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts the lower spinning type combustion chamber of steam generator system to arrange separately, separate with the fire-tube type heat exchange element, make the design of combustion chamber not be subjected to the restriction of structure and thermal technology's operating mode of heat exchange unit, the burning process parameter can accurately be controlled, fuel can fully be finished combustion process, also can realize the segmentation low nitrogen burning, especially applicable to the pulpous state fuel that burning-point is higher, through practice as can be known, the fuel burn-off rate reaches more than 98%, can improve existing slurry combustion boiler in the deficiency aspect this, reach energy savings, reduce the purpose of discharging.
2, heat exchange unit classification, the grouping arranged, series, parallel all can, heat is fully used.
3, the jet airduct of the outlet disposed inboard on top, combustion chamber can produce downwards and along the air-flow of combustion chamber axis rotation, make lime-ash get back to the furnace wall, thereby caught by the furnace wall so that lime-ash returns again into the combustion chamber, thereby reach the purpose that increases the combustion chamber deslagging ability, reduces the fire door dust-exhausting quantity; In addition, the jet airduct is blown into the preheated air of controllable flow rate to the combustion chamber, realizes the abundant burning of fuel.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the internal structure schematic diagram of backspin of the present invention combustion chamber.
Description of reference numerals: 1, lower spinning type combustion chamber 2, Heat Room 3, heat exchange element 4, jet airduct
The specific embodiment
As depicted in figs. 1 and 2, the present invention has the combined slurry combustion boiler of backspin combustion chamber, it comprises lower spinning type combustion chamber 1 and Heat Room 2, and this combustion chamber 1 is arranged in separately the front portion of Heat Room 2, and lower spinning type combustion chamber 1 is connected with Heat Room 2, heat exchange element 3 is equipped with in the Heat Room 2, in the present embodiment, heat exchange element 3 is the fire-tube type heat exchange element, and the heat exchange element of Heat Room 3 interior outfits is classification, packet layout, by connected in series or in parallel, heat is fully used.Lower spinning type combustion chamber 1 is by the arranged tangential burner, make in the shape of a spiral attitude of combustion flame, arrange many jet airducts 4 in the inboard air-flow turning point of lower spinning type combustion chamber 1 outlet, jet airduct 4 is along circumferential arrangement, mouth of pipe direction downwards, 1 axis tilts to the combustion chamber, produce rotating down pressing formula hot blast, so that the combustion flame periphery in exit is the state of being rotated down, reaching increases burning time, fully catches the purpose of slag.Jet airduct 4 can be arranged one deck to three layer, these jet airduct 4 external cavitys that are filled with warm-up combustion-supporting air, the air inlet place of jet airduct 4 is provided with the valve of control warm-up combustion-supporting air flow, the preheat temperature scope of warm-up combustion-supporting air is 100～500 degrees centigrade, AIR Proportional be required whole combustion-supporting air quantities 10%～50% between.
In the use procedure, in the combustion chamber, be blown into preheated air by the jet airduct, make the full combustion of fuel in the combustion chamber, simultaneously, preheated air forms in the combustion chamber along the air-flow of combustion chamber axis rotation, and lime-ash is got back to the furnace wall, to reduce the dust-exhausting quantity of fire door, hot gas after the burning enters Heat Room and medium carries out heat exchange, thereby reaches the purpose of energy savings, minimizing discharging.
The present invention is not limited to above-described embodiment; the air intake pipe orifice of described combustion-supporting airduct is except setting is filled with the cavity of warm-up combustion-supporting air; all right external hot air duct; any those skilled in the art can do numerous modifications and variations; under the spirit that does not break away from invention, all in the claimed scope of the present invention.
Claims (5)
1. combined slurry combustion boiler with lower spinning type combustion chamber, it is characterized in that: it comprises lower spinning type combustion chamber and Heat Room, and this combustion chamber is arranged in separately the front portion of Heat Room, and the combustion chamber is connected with Heat Room, is equipped with heat exchange element in the Heat Room; Described lower spinning type combustion chamber arranged tangential has the in the shape of a spiral burner of attitude of combustion flame, and the top of combustion chamber arranges outlet, many jet airducts of the disposed inboard of combustor exit; The jet airduct is along circumferential arrangement, and mouth of pipe direction downwards, tilt to the combustion chamber axis.
2. the combined slurry combustion boiler with lower spinning type combustion chamber according to claim 1 is characterized in that: the heat exchange element that is equipped with in the described Heat Room is classification, packet layout, by connected in series or in parallel.
3. the combined slurry combustion boiler with lower spinning type combustion chamber according to claim 1 and 2, it is characterized in that: described heat exchange element is the fire-tube type heat exchange element.
4. the combined slurry combustion boiler with lower spinning type combustion chamber according to claim 1, it is characterized in that: the external cavity that is filled with warm-up combustion-supporting air of described jet airduct, the preheat temperature scope of warm-up combustion-supporting air is 100～500 degrees centigrade, and the air inlet place of jet airduct is provided with the valve of control warm-up combustion-supporting air flow.
5. the combined slurry combustion boiler with lower spinning type combustion chamber according to claim 1, it is characterized in that: the periphery of described combustor exit is provided with to the inclined-plane of axis inclination, the jet airduct is fixed in the inboard on this inclined-plane, and this inclined-plane and combustion chamber axis angle are 15～85 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810027491 CN101270915B (en) | 2008-04-18 | 2008-04-18 | Combined slurry combustion boiler with lower spinning type combustion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810027491 CN101270915B (en) | 2008-04-18 | 2008-04-18 | Combined slurry combustion boiler with lower spinning type combustion chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101270915A CN101270915A (en) | 2008-09-24 |
| CN101270915B true CN101270915B (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810027491 Expired - Fee Related CN101270915B (en) | 2008-04-18 | 2008-04-18 | Combined slurry combustion boiler with lower spinning type combustion chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN101270915B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8084775B2 (en) * | 2010-03-16 | 2011-12-27 | Bridgelux, Inc. | Light sources with serially connected LED segments including current blocking diodes |
| CN104791996B (en) * | 2015-05-04 | 2017-12-26 | 李发军 | A kind of novel high-efficiency and energy-saving pressure-less boiler |
| CN106382745B (en) * | 2016-08-25 | 2020-03-20 | 国网上海综合能源服务有限公司 | Automatic energy-saving boiler device |
| CN111853821B (en) * | 2020-06-28 | 2022-12-09 | 无锡戴维环保设备制造有限公司 | Waste gas high-temperature incineration waste heat recovery device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416428Y (en) * | 2000-04-29 | 2001-01-24 | 张贺群 | Horizontal coal heating water boiler |
| CN2456025Y (en) * | 2000-12-19 | 2001-10-24 | 李茂慧 | Vortex hot pipe boiler by using oil and/or gas |
| CN2500916Y (en) * | 2001-09-18 | 2002-07-17 | 赵文举 | Flame vortex device |
| CN2702234Y (en) * | 2004-06-01 | 2005-05-25 | 周万杰 | Slag removing free boiler |
| CN1793723A (en) * | 2005-12-23 | 2006-06-28 | 浙江大学 | Adjacent angle displacement direct burner system |
| CN2837731Y (en) * | 2005-09-13 | 2006-11-15 | 张文龙 | Stove and boiler separated water heating stove |
-
2008
- 2008-04-18 CN CN 200810027491 patent/CN101270915B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416428Y (en) * | 2000-04-29 | 2001-01-24 | 张贺群 | Horizontal coal heating water boiler |
| CN2456025Y (en) * | 2000-12-19 | 2001-10-24 | 李茂慧 | Vortex hot pipe boiler by using oil and/or gas |
| CN2500916Y (en) * | 2001-09-18 | 2002-07-17 | 赵文举 | Flame vortex device |
| CN2702234Y (en) * | 2004-06-01 | 2005-05-25 | 周万杰 | Slag removing free boiler |
| CN2837731Y (en) * | 2005-09-13 | 2006-11-15 | 张文龙 | Stove and boiler separated water heating stove |
| CN1793723A (en) * | 2005-12-23 | 2006-06-28 | 浙江大学 | Adjacent angle displacement direct burner system |
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| Publication number | Publication date |
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| CN101270915A (en) | 2008-09-24 |
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Owner name: GUANGZHOU HUANFENG ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHOU WANJIE Effective date: 20150528 |
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Free format text: CORRECT: ADDRESS; FROM: 528315 FOSHAN, GUANGDONG PROVINCE TO: 511400 GUANGZHOU, GUANGDONG PROVINCE |
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Effective date of registration: 20150528 Address after: 511400, Tian An 1, 808, Panyu District science and technology industrial building, Panyu energy saving Science Park, No. 555 Panyu Avenue, east ring street, Guangdong, Guangzhou Patentee after: GUANGZHOU HUANFENG ENERGY TECHNOLOGY CO., LTD. Address before: 528315 Guangdong province Foshan city Lecong District Shunde town Leroy building west room 2003 Patentee before: Zhou Wanjie |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20200418 |