CN202902309U - Boiler slag cooling, crushing and dry-discharging combination device - Google Patents
Boiler slag cooling, crushing and dry-discharging combination device Download PDFInfo
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- CN202902309U CN202902309U CN 201220093191 CN201220093191U CN202902309U CN 202902309 U CN202902309 U CN 202902309U CN 201220093191 CN201220093191 CN 201220093191 CN 201220093191 U CN201220093191 U CN 201220093191U CN 202902309 U CN202902309 U CN 202902309U
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- slag
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Abstract
The utility model discloses a boiler slag cooling, crushing and dry-discharging combination device comprising a boiler bottom slag-cooling low pressure coal-saving device, male and female toothed rollers and a water-cooling and air-cooling slag conveyer. The boiler bottom slag-cooling low pressure coal-saving device comprises headers and heated surfaces and is disposed at a bottom ash hopper of a boiler and embedded in slag; and tubes forming the heated surfaces are filled with softened water, demineralized water or condensed water which enters a boiler water supply system or a heat supply network after being heated. The male and female toothed rollers are disposed under the boiler bottom slag-cooling low pressure coal-saving device, are hollow in structure and rotate oppositely; cold air flows through the hollow cavities of the toothed rollers; the toothed rollers are provided with a plurality of rows of rake teeth and are provided with grooves in a spaced manner; air blows out from groove holes; and coke falls into a water-cooling and air-cooling slag conveyer tank body after being crushed. The tank body of the water-cooling and air-cooling slag conveyer has a double-layer steel plate structure; a jacket is filled with softened water, demineralized water or condensed water for cooling; and the water enters the boiler bottom slag-cooling low pressure coal-saving device after being heated. After being cooled and crushed, the boiler slag is conveyed to subordinate conveying equipment or slag storage bins. The boiler slag cooling, crushing and dry-discharging combination device is used for cooling, crushing, dry-discharging and waste heat recovery of the boiler slag.
Description
Technical field
The utility model relates to a kind of boiler high temperature lime-ash cooling, fragmentation, heat recovery and the row of doing and carries the technical method of anhydrous consumption.
Background technology
Coal-burning boiler mostly adopts the wet method slagging-off, i.e. water-filling in the crust block pond below the boiler furnace hopper, the slag that coal dust produces after boiler combustion falls into the crust block pond, after water cooling, rushed to detritus tank by press water and beaten to drainage bin or storage ash by the slag stock pump by entering sluiceway behind slag crusher or the dragveyer.This slagging-off mode water content consumption is large, multistage conveying, and power consumption is high, and the generating production cost is high; The heat loss due to sensible heat in slag is large, and coal consumption is high; Lime-ash is after cold water soaks, and physics, chemical property change, and using value reduces, and the recycling scope reduces.Along with the continuous rising of the reinforcement of energy-saving and emission-reduction and water price, flyash using value, boiler wet method hydraulic slag discharging mode will be eliminated.
Summary of the invention
Large in order to solve existing coal-burning boiler water sluice water content consumption, production cost is high, the heat loss due to sensible heat in slag is large, the problem that coal consumption is high, the invention provides a kind of anhydrous consumption, few power consumption, subtract coal consumption, the afterheat of slags recoverable, improve the dry bottom ash handling system method of boiler efficiency, can solve afterheat of slags waste, coal consumption is high, power consumption is high and the water sluice water consumption is large problem.
Its technical scheme is: the broken parch row of boiler slag-cooling composite set comprises altogether black furnace slag conveyer of the cold slag low pressure of furnace bottom economizer, negative and positive discaling roll machine, water wind.The cold slag low pressure of described furnace bottom economizer is comprised of two headers and many row's steel pipe heating surfaces at least, be arranged in boiler bottom ash bucket throat, the steel pipe heating surface is that membrane tube or light pipe are made, interior logical demineralized water or condensate water, enter the feed water system of boiler or heat supply network after water is heated, keep certain distance between pipe row, be embedded in during the operation of part steel pipe heating surface (abbreviation buries the slag pipe) in the slag, at the bottom of the Sealing furnace, cooled slag.Header and heating surface top layer steel pipe counter-fire face lay and protect watt, and to slow down the drop intense impact of rear generation of the large rigid object of burner hearth top quality, gear protects the disintegrating slag conveying equipment of below, is disposed in following negative and positive discaling roll after the slag cooling and pulverizes.Described negative and positive discaling roll machine is by bearing block, solid shafting, hollow discaling roll, rake teeth, recessed pockets, exhaust vent forms, be arranged under the cold slag low pressure of the furnace bottom economizer, discaling roll rotates in opposite directions, load is born by the outer two end axles of stove, hollow discaling roll is contained in outside the solid shafting, with the solid shafting one, the through-flow moving pressure air (from roots blower or blower fan) that has cools off in the hollow discaling roll chamber, and discaling roll is provided with detachable change wear-resisting of many rows, heatproof, shock proof rake teeth, between axially, radially all form recessed pockets, have exhaust vent in the groove, cold wind cooling negative and positive discaling roll passes the cold slag low pressure of furnace bottom economizer comb, blow the slag fluidisation, heat exchange enters burner hearth after heating up.Swivel joint is equipped with at the discaling roll two ends, with being arranged, pressurized air source (roots blower or blower fan) is connected, and 360 degree flexible rotatings, sealing is not tightly leaked.Negative and positive discaling roll machine falls into the two black furnace slag conveyers of following water wind dropping into after furnace bottom cold slag low pressure economizer and furnace hopper water-cooling wall slag Jiao after cracked pulverizes.The two black furnace slag conveyers of described water wind partly are comprised of casing and rotational conveyance, are installed under the negative and positive discaling roll machine, and casing is the double-layer plate plate structure, logical condensate water or demineralized water in the chuck, the cold slag low pressure of the furnace bottom economizer above entering after water is heated.Interval, casing side has maintenance and inspection cleaning aperture of door, both sides, top arranged cold airduct is connected with pressurized air source (roots blower or blower fan) pipeline is arranged, uniform blowing pore mouth on the cool air hose, the first half arranges extraordinary blast cap, cold wind cooling chain scraper and slag, pass the cold slag low pressure of furnace bottom economizer comb and enter burner hearth, blow simultaneously the slag fluidisation, enter burner hearth after the intensification and participate in burning.The two black furnace slag conveyer rotational conveyance of water wind partly are chain scraper, hinge restraining, its driving wheel, driven pulley are contained in casing two, the cold water spray that part is immersed in the cold rinse bank or is set up, and slag is sent to sludge-store cabin or next stage conveying equipment under the drive of scraper plate.The two black furnace slag conveyers of water wind also can adopt screw auger, water flowing cooling in its hollow shaft, leave pore on the hollow blade, in be connected with and press the air cooling, air inlet pipe one end is connected with pressurized air source (air compressor machine or roots blower) is arranged, the other end links to each other with the swivel joint of the two black furnace slag conveyer casings of water wind, and 360 degree flexible rotating sealings are not tightly leaked, and slag is transported to sludge-store cabin or next stage conveying equipment under the gas boosting of screw propulsion and the ejection of spiral hollow vane hole.For removing foreign material and fixing a breakdown, water wind altogether cold type slag box body side upright part interval has maintenance and inspection cleaning aperture of door.Be the extension device life-span, the two black furnace slag conveyer casings of water wind are done the abrasionproof processing with the direct contact portion of slag, adopt wear-resisting, heatproof, anti-corrosion material.Grasp negative and positive discaling roll, the two black furnace slag conveyers of water wind, the cold slag low pressure of furnace bottom economizer ruuning situation and slag position thereof for Real Time Monitoring, special camera is housed on the spot, drive motors is provided with overload protection and warning device.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.Accompanying drawing 1 is the structural representation of the embodiment of the invention.The cold slag low pressure of 1. furnace bottoms economizer among the figure, 2. two black furnace slag conveyer casing, 3. negative and positive discaling roll, 4. chain scraper, 5. cool air hoses of water wind.
The specific embodiment
With reference to accompanying drawing example structure schematic diagram, the cold slag low pressure of furnace bottom economizer 1 is arranged in boiler bottom ash bucket throat place, and header and heating surface top layer steel pipe counter-fire face lay and protect watt.Negative and positive rod-toothed crusher 3 is arranged under the cold slag low pressure of the furnace bottom economizer, discaling roll rotates in opposite directions, hollow discaling roll is contained in outside the solid shafting, with the solid shafting one, be connected with the pressure air in the chamber, discaling roll be provided with many rows detachable change rake teeth, between axially, radially all form recessed pockets, have exhaust vent in the groove, the cooling discaling roll passes and buries the slag pipe and blow the slag fluidisation.Swivel joint is equipped with at the discaling roll two ends, is connected with the air-source of pressure is arranged.The two black furnace slag conveyers of water wind partly are comprised of casing 2 and rotational conveyance, casing 2 is the double-layer plate plate structure, logical condensate water or demineralized water in the chuck, after being heated, water enters the cold slag low pressure of the furnace bottom economizer 1 of top, casing both sides arranged cold airduct 5 is connected with the pressurized air source pipeline is arranged, uniform blowing pore mouth and extraordinary blast cap on the cool air hose, the wind that blows out cooling chain scraper, the fluidisation slag passes the cold slag low pressure of furnace bottom economizer comb and enters burner hearth.The slag conveying machine rotational conveyance partly is chain scraper 4, and driving wheel, driven pulley are contained in casing two, the cold water spray that part is immersed in the cold rinse bank or is set up, and slag is rejected to outside the stove under the drive of scraper plate.The two black furnace slag conveyer rotational conveyance parts of water wind also can adopt screw auger, water flowing cooling in its hollow shaft, leave pore on the hollow blade, in be connected with and press the air cooling, air inlet pipe one end is connected with the air-source of pressure is arranged, the other end links to each other with the swivel joint of the two black furnace slag conveyer casings of water wind, and 360 degree flexible rotating sealings are not tightly leaked, and slag is transported to sludge-store cabin or next stage conveying equipment under the gas boosting of screw propulsion and the ejection of spiral hollow vane hole.
Claims (2)
1. composite set is arranged in the broken parch of boiler slag-cooling, it is characterized in that: comprise the cold slag low pressure of furnace bottom economizer, negative and positive discaling roll machine, the two black furnace slag conveyers of water wind, high temperature furnace slag cools through the cold slag low pressure of furnace bottom economizer, negative and positive discaling roll machine pulverize and again cool after, enter the two black furnace slag conveyers of water wind, be brought under the storage bin after three cooling downs or the one-level conveying equipment.
2. composite set is arranged in the broken parch of boiler slag-cooling according to claim 1, it is characterized in that: the cold slag low pressure of furnace bottom economizer is comprised of two headers and many row's steel pipe heating surfaces at least, be arranged in boiler bottom ash bucket throat, the steel pipe heating surface is that membrane tube or light pipe are made, interior logical demineralized water or condensate water, keep certain distance between pipe row, be embedded in the slag during operation of part steel pipe heating surface, header and heating surface top layer steel pipe counter-fire face lay and protect watt, are disposed in following negative and positive discaling roll machine after the slag cooling and pulverize.
3. composite set is arranged in the broken parch of boiler slag-cooling according to claim 1, it is characterized in that: negative and positive discaling roll machine is by bearing block, solid shafting, hollow discaling roll, rake teeth, recessed pockets, exhaust vent forms, be arranged under the cold slag low pressure of the furnace bottom economizer, hollow discaling roll is contained in outside the solid shafting, with the solid shafting one, the negative and positive discaling roll rotates in opposite directions, be connected with in the hollow discaling roll chamber press air cooling, discaling roll be provided with many rows detachable change rake teeth, between axially, radially all form recessed pockets, have exhaust vent in the groove, swivel joint is equipped with at the discaling roll two ends, is connected 360 degree flexible rotatings with the air-source of pressure is arranged.
4. composite set is arranged in the broken parch of boiler slag-cooling according to claim 1, it is characterized in that: the two black furnace slag conveyers of water wind partly are comprised of casing and rotational conveyance, be installed under the negative and positive rod-toothed crusher, casing is the double-layer plate plate structure, logical condensate water or demineralized water in the chuck, interval, casing side has maintenance and inspection cleaning aperture of door, both sides, top arranged cold airduct is connected with the air-source of pressure is arranged, uniform blowing pore mouth on the cool air hose, the first half arranges extraordinary blast cap, cold wind cooling chain scraper passes the cold slag low pressure of furnace bottom economizer comb and blows the slag fluidisation, enters burner hearth and participates in burning.
5. composite set is arranged in the broken parch of boiler slag-cooling according to claim 1, it is characterized in that: the two black furnace slag conveyer rotational conveyance of water wind partly are chain scraper, hinge restraining, its driving wheel, driven pulley are contained in casing two, the cold water spray that part is immersed in the cold rinse bank or is set up, slag is sent to sludge-store cabin or next stage conveying equipment under the drive of scraper plate.
6. composite set is arranged in the broken parch of boiler slag-cooling according to claim 1, it is characterized in that: the two black furnace slag conveyer rotational conveyance parts of water wind also can adopt screw auger, water flowing cooling in its hollow shaft, leave pore on the hollow blade, in be connected with and press the air cooling, air inlet pipe one end is connected with the air-source of pressure is arranged, the other end links to each other with the swivel joint of the two black furnace slag conveyer casings of water wind, 360 degree flexible rotatings, slag is transported to sludge-store cabin or next stage conveying equipment under the gas boosting of screw propulsion and the ejection of spiral hollow vane hole.
7. the broken parch of boiler slag-cooling according to claim 1 row composite set, it is characterized in that: the two black furnace slag conveyer casings of water wind are done the abrasionproof processing with the direct contact portion of slag, adopt wear-resisting, heatproof, anti-corrosion material, to increase the service life.
8. composite set is arranged in the broken parch of boiler slag-cooling according to claim 1; it is characterized in that: negative and positive discaling roll machine, the two black furnace slag conveyers of water wind; by motor-driven; motor is provided with overload protection and warning device; negative and positive discaling roll machine, the two black furnace slag conveyers of water wind, the cold slag low pressure of furnace bottom economizer are equipped with special camera on the spot, and Real Time Monitoring is grasped machine operation and slag position thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220093191 CN202902309U (en) | 2012-03-13 | 2012-03-13 | Boiler slag cooling, crushing and dry-discharging combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220093191 CN202902309U (en) | 2012-03-13 | 2012-03-13 | Boiler slag cooling, crushing and dry-discharging combination device |
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| CN202902309U true CN202902309U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220093191 Expired - Fee Related CN202902309U (en) | 2012-03-13 | 2012-03-13 | Boiler slag cooling, crushing and dry-discharging combination device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322580A (en) * | 2013-07-03 | 2013-09-25 | 陈亮 | Water-cooling dry-type slag discharge device of pulverized coal boiler |
| CN105222126A (en) * | 2015-11-06 | 2016-01-06 | 郑州恒基耐磨制品有限公司 | Biomass particle burning machine |
| CN108758650A (en) * | 2018-06-22 | 2018-11-06 | 广州国铭职业技能培训有限公司 | Hazardous waste treatment equipment |
| CN112827541A (en) * | 2021-01-22 | 2021-05-25 | 袁萃 | Industrial furnace cinder transfer equipment with thorough cooling function |
-
2012
- 2012-03-13 CN CN 201220093191 patent/CN202902309U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322580A (en) * | 2013-07-03 | 2013-09-25 | 陈亮 | Water-cooling dry-type slag discharge device of pulverized coal boiler |
| CN103322580B (en) * | 2013-07-03 | 2015-04-08 | 陈亮 | Water-cooling dry-type slag discharge device of pulverized coal boiler |
| CN105222126A (en) * | 2015-11-06 | 2016-01-06 | 郑州恒基耐磨制品有限公司 | Biomass particle burning machine |
| CN108758650A (en) * | 2018-06-22 | 2018-11-06 | 广州国铭职业技能培训有限公司 | Hazardous waste treatment equipment |
| CN108758650B (en) * | 2018-06-22 | 2019-11-15 | 广州国铭职业技能培训有限公司 | Hazardous waste treatment equipment |
| CN112827541A (en) * | 2021-01-22 | 2021-05-25 | 袁萃 | Industrial furnace cinder transfer equipment with thorough cooling function |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20140313 |