CN102901079A - Chamber combustion type pulverized coal fired boiler with water pipes - Google Patents
Chamber combustion type pulverized coal fired boiler with water pipes Download PDFInfo
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- CN102901079A CN102901079A CN2011102141532A CN201110214153A CN102901079A CN 102901079 A CN102901079 A CN 102901079A CN 2011102141532 A CN2011102141532 A CN 2011102141532A CN 201110214153 A CN201110214153 A CN 201110214153A CN 102901079 A CN102901079 A CN 102901079A
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- fired boiler
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Abstract
A chamber combustion type pulverized coal fired boiler with water pipes is characterized by comprising an upper boiler barrel (1), a combustor (2), a chain grate stoker (3), a boiler wall (4), a heat-insulation layer (5), a lower boiler barrel (8), a soot discharge opening (9), a soot blower (10), an ignition device (13), a pulverized coal inlet (17), a dust remover (15), a combustion chamber (19), curved water wall pipes (20), straight water wall pipes (21), a convection bank (22), a down-flow pipe (23) and a header (24). Compared with an existing energy-saving pulverized coal fired steam boiler with water pipes, the chamber combustion type pulverized coal fired boiler with the water pipes is upgraded and modified, a large chain of a coal hopper is omitted, and the chamber combustion type pulverized coal fired boiler is additionally provided with the combustor, an anti-explosion door, the bag-type dust remover, an automatic pulverized coal storing and supplying system and an automatic control system. Besides, a combustion system and a hearth structure are redesigned, and shortcomings of high energy consumption and power consumption of a boiler in an original model are thoroughly overcome.
Description
Technical field
The present invention relates to a kind of chamber combustion type water-pipe pulverized-coal fired boiler, is a kind of energy-saving coal dust boiler that can carry out on original pulverized-coal fired boiler basis the technology upgrading transformation.
Background technology
At present, traditional pulverized-coal fired boiler, the drawback that waterpipe type steam boiler ubiquity energy consumption is high, power consumption is high, soot emissions are high, the thermal efficiency is low are proceeded the technological transformation upgrading.
Summary of the invention
[0003] main purpose of the present invention is to provide a kind of chamber combustion type water-pipe pulverized-coal fired boiler, for the upgrading that undergoes technological transformation of the descending boiler of present One's name is legion and various models, has solved the difficult problem of the old-fashioned model coal-burning boiler of part technology upgrading.
Technical scheme of the present invention is:
A kind of chamber combustion type water-pipe pulverized-coal fired boiler, comprise upper drum, burner, the chain grate furnace, furnace wall, heat-insulation layer, lower drum, ash port, soot blower, igniter, the coal dust import, deduster, the combustion chamber, Qushui River wall coil, straight waterwall tube, convection bank, down-comer and header, described chamber combustion type water-pipe pulverized-coal fired boiler outside is furnace wall, furnace wall is provided with heat-insulation layer, chamber combustion type water-pipe pulverized-coal fired boiler inside is the combustion chamber, the below, combustion chamber is provided with the chain grate furnace, combustion chamber one side is provided with burner, burner is provided with igniter and coal dust import, top, combustion chamber is upper drum, inside, combustion chamber is provided with lower drum, header is arranged on the combustion chamber inner lower, the lower drum below is provided with ash port, be provided with soot blower between upper drum and the lower drum, be communicated with by many convection banks between upper drum and the lower drum, lower drum is connected with header by down-comer, and upper drum is communicated with header by Qushui River wall coil and straight waterwall tube.
The described chain grate furnace outside is provided with the air blast interface.
Described chain grate furnace is provided with governing box.
Described chamber combustion type water-pipe pulverized-coal fired boiler is provided with anti-riot door.
Described combustion chamber is externally connected to economizer, and economizer connects deduster by the cigarette air channel, and deduster connects air-introduced machine.
Described chamber combustion type water-pipe pulverized-coal fired boiler top is provided with the platform staircase.
The invention has the beneficial effects as follows:
Compare with existing energy-saving coal dust waterpipe type steam boiler, the present invention has carried out upgrading, saved the large row chain of coal bunker, installed burner additional, anti-riot door, sack cleaner, from coal powder storage and supply system, automation control system.Combustion system and chamber structure redesign, and have put into the melting pot the drawback that former model boiler energy consumption is high, power consumption is high, soot emissions are high, press 185 kg/tonnes of steam of coal-burning watertube boiler every steaming ton consumption coal standard, and its thermal efficiency is about 60-65%.
110 kg/tonnes of steam of the every steaming ton coal dust of chamber combustion type water-pipe pulverized-coal fired boiler of the present invention, boiler thermal output reaches 90-92%, economizes on electricity simultaneously 30%.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is combustion parts structural representation of the present invention.
Fig. 3 is circulating water pipe distributed architecture schematic diagram of the present invention.
Among the figure: 1 is upper drum, 2 is burner, 3 is the chain grate furnace, 4 is furnace wall, 5 is heat-insulation layer, 6 is the platform staircase, 7 is economizer, 8 is lower drum, 9 is ash port, 10 is soot blower, 11 is the cigarette air channel, 12 is anti-riot door, 13 is igniter, 14 is governing box, 15 is deduster, 16 is air-introduced machine, 17 is the coal dust import, 18 is the air blast interface, 19 is the combustion chamber, 20 is Qushui River wall coil, 21 is straight waterwall tube, 22 are convection bank, 23 is down-comer, 24 is header.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
A kind of chamber combustion type water-pipe pulverized-coal fired boiler, comprise upper drum 1, burner 2, chain grate furnace 3, furnace wall 4, heat-insulation layer 5, lower drum 8, ash port 9, soot blower 10, igniter 13, coal dust import 17, deduster 15, combustion chamber 19, Qushui River wall coil 20, straight waterwall tube 21, convection bank 22, down-comer 23 and header 24, described chamber combustion type water-pipe pulverized-coal fired boiler outside is furnace wall 4, furnace wall 4 is provided with heat-insulation layer 5, chamber combustion type water-pipe pulverized-coal fired boiler inside is combustion chamber 19,19 belows, combustion chamber are provided with chain grate furnace 3, combustion chamber 19 1 sides are provided with burner 2, burner 2 is provided with igniter 13 and coal dust import 17,19 tops, combustion chamber are upper drum 1,19 inside, combustion chamber are provided with lower drum 8, header 24 is arranged on combustion chamber 19 inner lower, lower drum 8 belows are provided with ash port 9, be provided with soot blower 10 between upper drum 1 and the lower drum 8, be communicated with by many convection banks 22 between upper drum 1 and the lower drum 8, lower drum 8 is connected with header 24 by down-comer 23, and upper drum 1 is communicated with header 24 by Qushui River wall coil 20 and straight waterwall tube 21.
Chamber combustion type water-pipe pulverized-coal fired boiler is provided with anti-riot door 12.
The chamber combustion type water-pipe pulverized-coal fired boiler top is provided with platform staircase 6.
Embodiment recited above is described preferred embodiment of the present invention; be not that the spirit and scope of the present invention are limited; do not breaking away under the design concept prerequisite of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention, the technology contents that the present invention asks for protection all is documented in claims.
Claims (6)
1. chamber combustion type water-pipe pulverized-coal fired boiler, it is characterized in that comprising upper drum (1), burner (2), chain grate furnace (3), furnace wall (4), heat-insulation layer (5), lower drum (8), ash port (9), soot blower (10), igniter (13), coal dust import (17), deduster (15), combustion chamber (19), Qushui River wall coil (20), straight waterwall tube (21), convection bank (22), down-comer (23) and header (24), described chamber combustion type water-pipe pulverized-coal fired boiler outside is furnace wall (4), furnace wall (4) is provided with heat-insulation layer (5), chamber combustion type water-pipe pulverized-coal fired boiler inside is combustion chamber (19), below, combustion chamber (19) is provided with chain grate furnace (3), combustion chamber (19) one sides are provided with burner (2), burner (2) is provided with igniter (13) and coal dust import (17), top, combustion chamber (19) is upper drum (1), inside, combustion chamber (19) is provided with lower drum (8), header (24) is arranged on combustion chamber (19) inner lower, lower drum (8) below is provided with ash port (9), be provided with soot blower (10) between upper drum (1) and the lower drum (8), be communicated with by many convection banks (22) between upper drum (1) and the lower drum (8), lower drum (8) is connected with header (24) by down-comer (23), and upper drum (1) is communicated with header (24) by Qushui River wall coil (20) and straight waterwall tube (21).
2. chamber combustion type water-pipe pulverized-coal fired boiler according to claim 1 is characterized in that described chain grate furnace (3) outside is provided with air blast interface (18).
3. chamber combustion type water-pipe pulverized-coal fired boiler according to claim 1 is characterized in that described chain grate furnace (3) is provided with governing box (14).
4. chamber combustion type water-pipe pulverized-coal fired boiler according to claim 1 is characterized in that described chamber combustion type water-pipe pulverized-coal fired boiler is provided with anti-riot door (12).
5. chamber combustion type water-pipe pulverized-coal fired boiler according to claim 1, it is characterized in that described combustion chamber (19) is externally connected to economizer (7), economizer (7) connects deduster (15) by cigarette air channel (11), and deduster (15) connects air-introduced machine (16).
6. chamber combustion type water-pipe pulverized-coal fired boiler according to claim 1 is characterized in that described chamber combustion type water-pipe pulverized-coal fired boiler top is provided with platform staircase (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110214153.2A CN102901079B (en) | 2011-07-28 | 2011-07-28 | Chamber combustion type pulverized coal fired boiler with water pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110214153.2A CN102901079B (en) | 2011-07-28 | 2011-07-28 | Chamber combustion type pulverized coal fired boiler with water pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102901079A true CN102901079A (en) | 2013-01-30 |
| CN102901079B CN102901079B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110214153.2A Active CN102901079B (en) | 2011-07-28 | 2011-07-28 | Chamber combustion type pulverized coal fired boiler with water pipes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741004A (en) * | 2017-11-28 | 2018-02-27 | 湖南长宏南雁锅炉修理安装有限公司 | Biomass gas fueled steam boiler |
| CN108613154A (en) * | 2018-05-28 | 2018-10-02 | 江苏正阳锅炉有限公司 | A kind of steam boiler |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2634296Y (en) * | 2003-07-02 | 2004-08-18 | 姜政华 | Multiple fuel industrial boiler for double boiler |
| CN2869589Y (en) * | 2006-02-16 | 2007-02-14 | 郑州锅炉有限责任公司 | Combined boiler |
| JP2008164188A (en) * | 2006-12-27 | 2008-07-17 | Babcock Hitachi Kk | Pulverized coal combustion once-through boiler and power generation plant comprising the same |
| CN100447484C (en) * | 2005-07-08 | 2008-12-31 | 姜政华 | Industrial boiler of multi-fuel burning using ultrafine coal dust as main fuel |
| CN202209666U (en) * | 2011-07-28 | 2012-05-02 | 宜兴天地节能技术有限公司 | Chamber combustion type water-pipe pulverized-coal fired boiler |
-
2011
- 2011-07-28 CN CN201110214153.2A patent/CN102901079B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2634296Y (en) * | 2003-07-02 | 2004-08-18 | 姜政华 | Multiple fuel industrial boiler for double boiler |
| CN100447484C (en) * | 2005-07-08 | 2008-12-31 | 姜政华 | Industrial boiler of multi-fuel burning using ultrafine coal dust as main fuel |
| CN2869589Y (en) * | 2006-02-16 | 2007-02-14 | 郑州锅炉有限责任公司 | Combined boiler |
| JP2008164188A (en) * | 2006-12-27 | 2008-07-17 | Babcock Hitachi Kk | Pulverized coal combustion once-through boiler and power generation plant comprising the same |
| CN202209666U (en) * | 2011-07-28 | 2012-05-02 | 宜兴天地节能技术有限公司 | Chamber combustion type water-pipe pulverized-coal fired boiler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741004A (en) * | 2017-11-28 | 2018-02-27 | 湖南长宏南雁锅炉修理安装有限公司 | Biomass gas fueled steam boiler |
| CN108613154A (en) * | 2018-05-28 | 2018-10-02 | 江苏正阳锅炉有限公司 | A kind of steam boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102901079B (en) | 2014-06-04 |
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