CN201000057Y - Small-sized coal fines combustion boiler set - Google Patents
Small-sized coal fines combustion boiler set Download PDFInfo
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- CN201000057Y CN201000057Y CNU2007201031500U CN200720103150U CN201000057Y CN 201000057 Y CN201000057 Y CN 201000057Y CN U2007201031500 U CNU2007201031500 U CN U2007201031500U CN 200720103150 U CN200720103150 U CN 200720103150U CN 201000057 Y CN201000057 Y CN 201000057Y
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Abstract
A small powdered coal combustion boiler unit, which belongs to the energy resources utilization field. The boiler unit is mainly comprised of a powdered coal preparation system, a powdered coal blowing and burning system, a boiler main machine, a fume after treatment system, and an automatic controlling and adjusting system, the powdered coal blowing and burning system comprises a primary air blower (3), a secondary air blower (2), a powdered coal storage bin (19), a mediate powder bin (12), a powder feeding device (7), a burner (24), a gas tank (1), pipes and valves, after powdered coal is pre-burnt in the pre-burning chamber of the burner installed on one end of the boiler, the powdered coal is blown into the boiler furnace to be continuously burnt. The water fume enters the fume after treatment system through a pipe; the fume after treatment system comprises a bag-type dust collector (27), a devulcanizer (26), an induced fan (25), and a chimney, and the purified fume is discharged into the atmosphere through the chimney. The utility model can realize the miniaturization of the powdered coal combustion boiler, and can be used in the situations for providing industrial or civil steam and hot water. The utility model can effectively control the emission of atmospheric pollutants, and enable the boiler unit to realize energy conservation, and low pollution.
Description
Technical field:
The invention belongs to field of energy utilization, particularly a kind of small-sized pulverized coal firing boiler unit.
Background technology:
Traditional small-sized coal-burned industrial boiler mostly is the grate firing mode, and combustion heat loss and pollutant emission are difficult to effective control.Along with the increasing of environmental protection dynamics, the numerous and confused boiler atmosphere pollution provincial standard that is higher than national standard of releasing in domestic various places makes traditional coal-burning boiler be difficult to reach requirement more, to such an extent as to all promulgate a decree in many big and medium-sized cities, forbids at urban district use coal-burning boiler.Because oil, gas price lattice rise steadily, the operating cost of oil-burning gas-fired boiler increases day by day, is extensive use of to be restricted economically with on the resources supplIes.And coal is abundant in China's reserves, and low price, therefore, uses the clean combustion technology of coal, and development can reach or just have suitable necessity near the new and effective miniature boiler of the energy-saving and environmental protection index of fuel oil, gas fired-boiler.Coal dust firing at home and abroad is widely used on the station boiler, technology maturation, the maturation day by day of the advantage of coal fines cleaning burning and new and effective dedusting, disengaging technology, making coal dust firing have aspect energy-saving and environmental protection is existing grate firing mode or all incomparable comprehensive advantage of fuel-firing gas-firing mode, and traditionally, the coal dust firing mode only is applicable to large-scale station boiler.
Summary of the invention:
To be that research and development are a kind of be applied to small-sized industrial boiler, high-efficiency low-pollution, control and higher, the brand-new miniature boiler unit of adjusting level with pulverized coal combustion to purpose of design of the present invention.
A kind of small-sized pulverized coal firing boiler unit, mainly by coal dust preparation system, breeze blowing and combustion system, the boiler main frame, the flue gas after-treatment system, automatically control is formed with regulating system, it is characterized in that the pulverized coal firing boiler unit comprises fuel cartridge 1, combustion fan 2, air compressor machine 3, air accumulator 4, compressed air diffuses pipeline 5, pulverized coal conveying compressed air hose 6, coal feeder 7,. regulate coal-supplying amount compressed air hose 8, coal dust transports automobile 9, coal supply switch valve 10, middle powder storehouse fluidisation tracheae 11, middle powder storehouse 12, the pressure sensor 13 of weighing, bell-shaped valve 14, butterfly valve 15, Pulverized Coal Bin fluidisation tracheae 16, pulse backblowing compressed air hose 17, coal dust transfer pipeline 18, Pulverized Coal Bin 19, receive powder cloth bag 20, burner coal supply pipe 21, a combustion air 22, secondary combustion air 23, coal burner 24, useless smoke induced draught fan 25, devulcanizer 26, flue gas ash removal cloth bag 27, useless flue gas heat exchange device 28, boiler body 29.Coal dust transports automobile 9 and connects Pulverized Coal Bin 19 by coal dust transfer pipeline 18, powder storehouse 12 in the middle of Pulverized Coal Bin 19 connects by bell-shaped valve 14, butterfly valve 15, and the pressure sensor 13 of weighing is equipped with in middle powder storehouse 12.Receipts powder cloth bag 20 is located at the top of Pulverized Coal Bin 19.Air compressor machine 3 connects air accumulator 4, and air accumulator 4 is provided with compressed air and diffuses pipeline 5, discharges unnecessary compressed air.Compressed air from air accumulator 4 is received powder cloth bag 20 by 17 blowbacks of pulse backblowing compressed air hose.The cone bottom of Pulverized Coal Bin 19 and intermediate bin 12 is connected to fluidisation respectively and links to each other with air accumulator 4 with tracheae 11 with fluidisation with tracheae 16, with the loosening coal dust layer of compressed air.Between Pulverized Coal Bin 19 and intermediate bin 12, be connected with the diffuser road, be used for the discharging of Compressed Gas.Intermediate bin 12 bottoms connect coal supply switch valve 10, and coal supply switch valve 10 is connected coal feeder 7 with air accumulator 4, and coal feeder 7 connects coal burner 24 by burner coal supply pipe 21, for coal burner 24 provides coal dust, air mixture.The adjusting coal-supplying amount is housed with compressed air hose 8 at coal supply switch valve 10,, can regulates coal-supplying amount by regulating coal-supplying amount with the compressed air in the compressed air hose 8.Fuel cartridge 1 provides combustion gas for coal burner 24, and combustion fan 2 provides combustion air 22, secondary combustion air 23 for coal burner 24 by pipeline.Coal burner 24 is located at the front of boiler body 29, and useless flue gas heat exchange device 28 is located at the back of boiler body 29, connects flue gas ash removal cloth bag 27, devulcanizer 26, useless smoke induced draught fan 25 by pipeline.Discharge through flue gas ash removal cloth bag 27, devulcanizer 26, useless smoke induced draught fan 25 from the useless flue gas that boiler body 29 comes out.
The present invention can realize the miniaturization of pulverized coal firing boiler, can be used for being industry or the civilian occasion that steam and hot water are provided.Because coal dust firing can obtain high efficiency of combustion, the low NO of appropriate design
xBurner and the flue gas after-treatment system of distributing rationally can effectively be controlled the discharging of atmosphere pollution, thereby can make this boiler unit realize energy-conservation, the low pollution.
Description of drawings
Fig. 1 is small-sized pulverized coal firing boiler set structure schematic diagram.
The specific embodiment:
The pulverized coal firing boiler unit comprises fuel cartridge 1, combustion fan 2, air compressor machine 3, air accumulator 4, compressed air diffuses pipeline 5, pulverized coal conveying compressed air hose 6, coal feeder 7,. regulate coal-supplying amount compressed air hose 8, coal dust transports automobile 9, coal supply switch valve 10, middle powder storehouse fluidisation tracheae 11, middle powder storehouse 12, the pressure sensor 13 of weighing, bell-shaped valve 14, butterfly valve 15, Pulverized Coal Bin fluidisation tracheae 16, pulse backblowing compressed air hose 17, coal dust transfer pipeline 18, Pulverized Coal Bin 19, receive powder cloth bag 20, burner coal supply pipe 21, a combustion air 22, secondary combustion air 23, coal burner 24, useless smoke induced draught fan 25, devulcanizer 26, flue gas ash removal cloth bag 27, useless flue gas heat exchange device 28, boiler body 29.Coal dust transports automobile 9 and connects Pulverized Coal Bin 19 by coal dust transfer pipeline 18, powder storehouse 12 in the middle of Pulverized Coal Bin 19 connects by bell-shaped valve 14, butterfly valve 15, and the pressure sensor 13 of weighing is equipped with in middle powder storehouse 12.Receipts powder cloth bag 20 is located at the top of Pulverized Coal Bin 19.Air compressor machine 3 connects air accumulator 4, and air accumulator 4 is provided with compressed air and diffuses pipeline 5, discharges unnecessary compressed air.Compressed air from air accumulator 4 is received powder cloth bag 20 by 17 blowbacks of pulse backblowing compressed air hose.The cone bottom of Pulverized Coal Bin 19 and intermediate bin 12 is connected to fluidisation respectively and links to each other with air accumulator 4 with tracheae 11 with fluidisation with tracheae 16, with the loosening coal dust layer of compressed air.Between Pulverized Coal Bin 19 and intermediate bin 12, be connected with the diffuser road, be used for the discharging of Compressed Gas.Intermediate bin 12 bottoms connect coal supply switch valve 10, and coal supply switch valve 10 is connected coal feeder 7 with air accumulator 4, and coal feeder 7 connects coal burner 24 by burner coal supply pipe 21, for coal burner 24 provides coal dust, air mixture.The adjusting coal-supplying amount is housed with compressed air hose 8 at coal supply switch valve 10,, can regulates coal-supplying amount by regulating coal-supplying amount with the compressed air in the compressed air hose 8.Fuel cartridge 1 provides combustion gas for coal burner 24, and combustion fan 2 provides combustion air 22, secondary combustion air 23 for coal burner 24 by pipeline.Coal burner 24 is located at the front of boiler body 29, and useless flue gas heat exchange device 28 is located at the back of boiler body 29, connects flue gas ash removal cloth bag 27, devulcanizer 26, useless smoke induced draught fan 25 by pipeline.Discharge through flue gas ash removal cloth bag 27, devulcanizer 26, useless smoke induced draught fan 25 from the useless flue gas that boiler body 29 comes out.
Claims (1)
1. small-sized pulverized coal firing boiler unit, mainly by coal dust preparation system, breeze blowing and combustion system, the boiler main frame, the flue gas after-treatment system, automatically control is formed with regulating system, it is characterized in that the pulverized coal firing boiler unit comprises fuel cartridge (1), combustion fan (2), air compressor machine (3), air accumulator (4), compressed air diffuses pipeline (5), pulverized coal conveying compressed air hose (6), coal feeder (7),. regulate coal-supplying amount compressed air hose (8), coal dust transports automobile (9), coal supply switch valve (10), middle powder storehouse fluidisation tracheae (11), middle powder storehouse (12), the pressure sensor (13) of weighing, bell-shaped valve (14), butterfly valve (15), Pulverized Coal Bin fluidisation tracheae (16), pulse backblowing compressed air hose (17), coal dust transfer pipeline (18), Pulverized Coal Bin (19), receive powder cloth bag (20), burner coal supply pipe (21), a combustion air (22), secondary combustion air (23), coal burner (24), useless smoke induced draught fan (25), devulcanizer (26), flue gas ash removal cloth bag (27), useless flue gas heat exchange device (28), boiler body (29); Coal dust transports automobile (9) and connects Pulverized Coal Bin (19) by coal dust transfer pipeline (18), powder storehouse (12) in the middle of Pulverized Coal Bin (19) connects by bell-shaped valve (14), butterfly valve (15), and the pressure sensor of weighing (13) is equipped with in middle powder storehouse (12); Receipts powder cloth bags (20) are located at the top of Pulverized Coal Bin (19); Air compressor machine (3) connects air accumulator (4), and air accumulator (4) is provided with compressed air and diffuses pipeline (5); Compressed air from air accumulator (4) connects receipts powder cloth bag (20) by pulse backblowing compressed air hose (17); The cone bottom of Pulverized Coal Bin (19) and intermediate bin (12) is connected to fluidisation respectively and links to each other with air accumulator (4) with tracheae (11) with fluidisation with tracheae (16); Between Pulverized Coal Bin (19) and intermediate bin (12), be connected with the diffuser road; Intermediate bin (12) bottom connects coal supply switch valve (10), and coal supply switch valve (10) is connected coal feeder (7) with air accumulator (4), and coal feeder (7) connects coal burner (24) by burner coal supply pipe (21); Adjusting coal-supplying amount compressed air hose (8) is housed in coal supply switch valve (10) front; Fuel cartridge (1) links to each other with coal burner (24); Combustion fan (2) provides a combustion air (22), secondary combustion air (23) for coal burner (24) by pipeline; Coal burner (24) is located at the front of boiler body (29), and useless flue gas heat exchange device (28) is located at the back of boiler body (29), connects flue gas ash removal cloth bag (27), devulcanizer (26), useless smoke induced draught fan (25) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201031500U CN201000057Y (en) | 2007-01-09 | 2007-01-09 | Small-sized coal fines combustion boiler set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201031500U CN201000057Y (en) | 2007-01-09 | 2007-01-09 | Small-sized coal fines combustion boiler set |
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| Publication Number | Publication Date |
|---|---|
| CN201000057Y true CN201000057Y (en) | 2008-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201031500U Expired - Fee Related CN201000057Y (en) | 2007-01-09 | 2007-01-09 | Small-sized coal fines combustion boiler set |
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| CN (1) | CN201000057Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943418A (en) * | 2010-09-29 | 2011-01-12 | 神华集团有限责任公司 | Powder storage and supplying device and powder storage and supplying controlling method of coal dust boiler |
| CN102418916A (en) * | 2011-12-06 | 2012-04-18 | 山西蓝天环保设备有限公司 | Oil field gas injection boiler taking pulverized coal as fuel |
| CN102607050A (en) * | 2012-03-28 | 2012-07-25 | 上海中科高等研究院 | Intermediate warehousing type air powder system |
| CN102679329A (en) * | 2012-05-30 | 2012-09-19 | 山西蓝天环保设备有限公司 | Medium and small industrial coal powder heating boiler system |
| CN103672874A (en) * | 2013-12-17 | 2014-03-26 | 太原锅炉集团有限公司 | System for desulfurizing limestone in circulating fluidized bed boiler on basis of flow state reconstruction |
| CN104028357A (en) * | 2014-06-07 | 2014-09-10 | 秦皇岛首秦金属材料有限公司 | A medium-speed mill pulverizing system without an induced draft fan device for waste smoke |
| CN104583701A (en) * | 2012-08-20 | 2015-04-29 | 奥图泰(芬兰)公司 | Method and arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace |
| CN108386866A (en) * | 2018-04-12 | 2018-08-10 | 扎克(青岛)船用设备有限公司 | Pulverized-coal fired boiler powder-supply system is from inerting and stablizes powder-supply system |
-
2007
- 2007-01-09 CN CNU2007201031500U patent/CN201000057Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943418A (en) * | 2010-09-29 | 2011-01-12 | 神华集团有限责任公司 | Powder storage and supplying device and powder storage and supplying controlling method of coal dust boiler |
| CN102418916A (en) * | 2011-12-06 | 2012-04-18 | 山西蓝天环保设备有限公司 | Oil field gas injection boiler taking pulverized coal as fuel |
| CN102607050A (en) * | 2012-03-28 | 2012-07-25 | 上海中科高等研究院 | Intermediate warehousing type air powder system |
| CN102607050B (en) * | 2012-03-28 | 2014-02-26 | 中国科学院上海高等研究院 | Intermediate warehousing type air powder system |
| CN102679329A (en) * | 2012-05-30 | 2012-09-19 | 山西蓝天环保设备有限公司 | Medium and small industrial coal powder heating boiler system |
| CN104583701A (en) * | 2012-08-20 | 2015-04-29 | 奥图泰(芬兰)公司 | Method and arrangement for feeding fine-grained matter to a concentrate or matte burner of a suspension smelting furnace |
| CN104583701B (en) * | 2012-08-20 | 2016-08-24 | 奥图泰(芬兰)公司 | For plasma being supplied to concentrate or the method and apparatus of matte burner of suspension smelting furnace |
| CN103672874A (en) * | 2013-12-17 | 2014-03-26 | 太原锅炉集团有限公司 | System for desulfurizing limestone in circulating fluidized bed boiler on basis of flow state reconstruction |
| CN104028357A (en) * | 2014-06-07 | 2014-09-10 | 秦皇岛首秦金属材料有限公司 | A medium-speed mill pulverizing system without an induced draft fan device for waste smoke |
| CN108386866A (en) * | 2018-04-12 | 2018-08-10 | 扎克(青岛)船用设备有限公司 | Pulverized-coal fired boiler powder-supply system is from inerting and stablizes powder-supply system |
| CN108386866B (en) * | 2018-04-12 | 2023-11-24 | 扎克(青岛)船用设备有限公司 | Self-inerting and stable powder supply system of pulverized coal boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: BEIJING HUIZHONG BLUE SKY ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Beijing Huizhong Lantian Environmental protection equipment limited liability company. Number: 01 Page: The title page Volume: 24 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Beijing Huizhong Lantian Environmental protection equipment limited liability company. Number: 01 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: BEIJING HUIZHONG BLUE SKY ENVIRONMENTAL PROTECTION EQUIPMENTCO., LTD. ^ |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 |