CN103216839A - Waste heat boiler mechanical dust-cleaning system - Google Patents
Waste heat boiler mechanical dust-cleaning system Download PDFInfo
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- CN103216839A CN103216839A CN2013101581479A CN201310158147A CN103216839A CN 103216839 A CN103216839 A CN 103216839A CN 2013101581479 A CN2013101581479 A CN 2013101581479A CN 201310158147 A CN201310158147 A CN 201310158147A CN 103216839 A CN103216839 A CN 103216839A
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- guide rail
- waste heat
- heat boiler
- brush
- deashing device
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Abstract
The invention discloses a waste heat boiler mechanical dust-cleaning system which comprises an inner dust cleaning device, an outer transmission device and an electrical control device. The inner dust cleaning device comprises an inner elastic frame, a brush and an outer fixing frame, wherein the brush is used for cleaning siliceous dust outside the pipe wall and is arranged on the inner elastic frame, and the inner elastic frame is connected with the outer fixing frame provided with idler wheels rolling on a guide rail of the outer transmission device. The outer transmission device comprises the guide rail, steel wire ropes, a coiling block, a driving motor, a speed reducing spring and travel switches, wherein the travel switches are arranged at two ends of a speed reducing transmission mechanism guide rail, the speed reducing transmission mechanism guide rail is connected with the electrical control device through the travel switches, and forward and reverse rotation of the driving motor is controlled to achieve the fact that the inner dust cleaning device conducts reverse movement on the guide rail when moving to two ends. The waste heat boiler mechanical dust-cleaning system is reasonable in structure, accumulated dust, having large stickiness, of a submerged arc furnace is relatively thoroughly brushed, and therefore the heat transfer coefficient of a tube bundle is improved, and waste heat recovering efficiency of a waste heat boiler is further improved.
Description
Technical field
The present invention relates to a kind of waste heat boiler mechanical ash removing system.
Background technology
The ferroalloy industry is as the important component part of steel and iron industry, the a large amount of energy of annual consumption, its not only product be the high energy carrier, and the high-temperature flue gas about 750-900 ℃ of degree that produce in the smelting process and equipment cooling have been taken away big energy, in the ferrosilicon smelting process, parameter (the temperature of fume afterheat, flow) has certain fluctuation, fluctuation range is big, silicon ash (being commonly called as SILICA FUME) in the flue gas is superfine, average grain diameter is at 0.15～0.20 μ m, specific area is 15000～20000m2/kg, and extremely strong adhesion and very high thermal resistance are arranged, because the granularity of SILICA FUME is too tiny, mechanical precipitator, comprise the sedimentation dedusting, inertial dust collection and cyclone dust removal capture less than it at all, and water film dedusting captures that it is also very difficult.Therefore, the operating dust stratification of waste heat boiler is more serious in the submerged arc furnace system.The deashing device of present submerged arc furnace system waste heat boiler heating surface in service, mainly contain mechanical vibrator ash disposal, acetylene detonation ash disposal, steam soot blowing, shock-wave ash blowing, ball blast and blow ash etc., reflect according to the user, more than these several deashing devices relatively poor at waste heat boiler ash-removal effect in service, because the sticking ash of heat pipe outer wall greatly reduces heat exchanger effectiveness, simultaneously, deashing device service life is shorter, fault rate is higher, has had a strong impact on the safe operation of waste heat boiler.
Summary of the invention
The object of the present invention is to provide a kind of rational in infrastructure, the waste heat boiler mechanical ash removing system of favorable working performance.
Technical solution of the present invention is:
A kind of waste heat boiler mechanical ash removing system is characterized in that: comprise inner deashing device, external transmission device, electrical control gear; Inner deashing device comprises the brush and the outer fixed frame of interior elastic frame, the outer silicon ash of cleaning tube wall usefulness, brush is contained on the interior elastic frame, interior elastic frame is connected with outer fixed frame, be arranged on the roller that rolls on the guide rail of external transmission device on the outer fixed frame, finish the motion of inner deashing device; External transmission device comprises guide rail, steel wire rope, reel, drive motors, retarding spring, travel switch, reduction gearing mechanism, guide rail is positioned at the bobbin carriage housing, the interior elastic frame of steel wire rope and inner deashing device is connected by fixing snap close, the two ends of steel wire rope are separately fixed on the left and right sides reel that is positioned at the bobbin carriage left and right sides, and left and right sides reel is connected with left and right sides drive motors by left and right sides reduction gearing mechanism respectively; The guide rail two ends are respectively equipped with a travel switch, and by travel switch connecting circuit control device, control drive motors positive and negative transfers finishes arrival counter motion during two ends of move of inner deashing device on guide rail.
The two ends of guide rail are respectively equipped with retarding spring, the deceleration buffer when finishing inner deashing device and arrive an end by retarding spring.
The outer side-to-side anastomosis of the shape in brush cross section and described heating surface pipe, the bristle of brush is for adapting to the wire that flue-gas temperature reaches 850 ℃ of working environments, and the length of brush is 25-50mm, year effective run time 〉=7000 hour of inner deashing device.
The present invention is rational in infrastructure, directly contact by the brush in the inner deashing device with the outer tube wall of heated surface bundle, the dust stratification that the hot stove viscosity in ore deposit is very big thoroughly scrubbing brush falls, thereby improve the heat transfer coefficient of tube bank, and then the waste heat recovery efficient of raising waste heat boiler, improve the steam production of the hot stove waste heat boiler in ore deposit, reduce the toxic emission temperature of the hot stove waste heat boiler in ore deposit, effects of energy conservation and environmental protection is obvious.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the A-A view of Fig. 1.
The specific embodiment
A kind of waste heat boiler mechanical ash removing system comprises inner deashing device, external transmission device, electrical control gear; The brush 4 and the outer fixed frame 3 of elastic frame 5, the outer silicon ash of cleaning tube wall usefulness in inner deashing device comprises, brush 4 is contained on the interior elastic frame, interior elastic frame is connected with outer fixed frame 3, be arranged on the roller 6 that rolls on the guide rail of external transmission device on the outer fixed frame, finish the motion of inner deashing device; External transmission device comprises guide rail 7, steel wire rope 8, reel 12, drive motors 14, retarding spring 10, travel switch 15,16, reduction gearing mechanism, guide rail is positioned at bobbin carriage housing 1, the interior elastic frame of steel wire rope and inner deashing device is connected by fixing snap close, the two ends of steel wire rope are separately fixed on the left and right sides reel that is positioned at the bobbin carriage left and right sides, and left and right sides reel is connected with left and right sides drive motors by left and right sides reduction gearing mechanism respectively; The guide rail two ends are respectively equipped with a travel switch, and by travel switch connecting circuit control device 17, control drive motors positive and negative transfers finishes arrival counter motion during two ends of move of inner deashing device on guide rail.
The two ends of guide rail are respectively equipped with retarding spring, the deceleration buffer when finishing inner deashing device and arrive an end by retarding spring.
The outer side-to-side anastomosis of the shape in brush cross section and described heating surface pipe, the bristle of brush is a wire, as code name is S30408, material trademark is that 06Cr19Ni9, code name are S31020, material trademark is the heat resisting steel of 20Cr25Ni20 etc., can adapt to the working environment that flue-gas temperature reaches 850 ℃, the length of brush is 30-50mm, year effective run time 〉=7000 hour of inner deashing device.
Drive motors is placed on the two ends of housing, and the operation of drive motors mainly is to finish by electrical control cabinet, and the signal that is sent by travel switch is controlled the duty of motor.The electrical control cabinet major function is a starter motor, realize the drive motors rotating, prevent the drive motors overload and close drive motors, and the state can realize manually controlling on the spot the drive motors operation time, after pressing start button, the drive motors of both sides shown in Fig. 2 drives reel and rotates counterclockwise, then driving inner deashing device by steel wire rope moves to the diagram left side at guide rail, when inner deashing device moves to left end when retarding spring slows down, when touching SQ2 travel switch 16, SQ2 can send signal cut drive motors running power supply, and after the delay through the electric control cabinet built-in system, drive motors circuit for reversing switch closure, form the counter-rotating closed-loop path, the two ends reel clockwise rotates among Fig. 2 thereby make, driving inner deashing device by steel wire rope moves right, when inner deashing device moves to Fig. 2 right-hand member when retarding spring slows down, when touching SQ1 travel switch 15, SQ1 sends signal cut motor counter-rotating power supply, after the delay through the electric control cabinet built-in system, drive motors prograde circuit switch closure, form the main story closed-loop path, make inside deashing device among Fig. 2 to left movement, so move back and forth.
Also have heat pipe group 2, sealing device 11 among the figure.
Claims (3)
1. a waste heat boiler mechanical ash removing system is characterized in that: comprise inner deashing device, external transmission device, electrical control gear; Inner deashing device comprises the brush and the outer fixed frame of interior elastic frame, the outer silicon ash of cleaning tube wall usefulness, brush is contained on the interior elastic frame, interior elastic frame is connected with outer fixed frame, be arranged on the roller that rolls on the guide rail of external transmission device on the outer fixed frame, finish the motion of inner deashing device; External transmission device comprises guide rail, steel wire rope, reel, drive motors, retarding spring, travel switch, reduction gearing mechanism, guide rail is positioned at the bobbin carriage housing, the interior elastic frame of steel wire rope and inner deashing device is connected by fixing snap close, the two ends of steel wire rope are separately fixed on the left and right sides reel that is positioned at the bobbin carriage left and right sides, and left and right sides reel is connected with left and right sides drive motors by left and right sides reduction gearing mechanism respectively; The guide rail two ends are respectively equipped with a travel switch, and by travel switch connecting circuit control device, control drive motors positive and negative transfers finishes arrival counter motion during two ends of move of inner deashing device on guide rail.
2. waste heat boiler mechanical ash removing according to claim 1 system, it is characterized in that: the two ends of guide rail are respectively equipped with retarding spring, the deceleration buffer when finishing inner deashing device and arrive an end by retarding spring.
3. waste heat boiler mechanical ash removing device according to claim 1, it is characterized in that: the bristle of brush is for adapting to the wire that flue-gas temperature reaches 850 ℃ of working environments, the length of brush is 25-50mm, year effective run time 〉=7000 hour of inner deashing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158147.9A CN103216839B (en) | 2013-05-02 | 2013-05-02 | Waste heat boiler mechanical ash removing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158147.9A CN103216839B (en) | 2013-05-02 | 2013-05-02 | Waste heat boiler mechanical ash removing system |
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| CN103216839A true CN103216839A (en) | 2013-07-24 |
| CN103216839B CN103216839B (en) | 2015-09-23 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423759A (en) * | 2013-09-03 | 2013-12-04 | 哈尔滨工程大学 | Waste heat recovery energy-saving device suitable for chimney |
| CN103453510A (en) * | 2013-09-15 | 2013-12-18 | 宁夏天纵泓光余热发电技术有限公司 | Membrane wall heat exchange device |
| CN103471072A (en) * | 2013-09-06 | 2013-12-25 | 昆山市利昆机电设备有限公司 | Vertical module of waste heat boiler |
| CN104390222A (en) * | 2014-10-24 | 2015-03-04 | 中材节能股份有限公司 | Ash removal device |
| CN107044652A (en) * | 2017-05-16 | 2017-08-15 | 青岛德固特节能装备股份有限公司 | air preheater automatic ash-removing machine |
| CN108036340A (en) * | 2017-11-23 | 2018-05-15 | 中材节能股份有限公司 | A kind of boiler synchronization lifting deashing mechanism |
| CN108205260A (en) * | 2017-11-23 | 2018-06-26 | 中材节能股份有限公司 | A kind of industrial silicon ash cleaner for exhaust-heating boiler intelligent control method |
| CN108413425A (en) * | 2018-03-05 | 2018-08-17 | 湖南湘讯企业管理有限公司 | A kind of cam-type ash-cleaning energy saving residual heat from boiler fume recovery channel |
| CN108443903A (en) * | 2018-03-05 | 2018-08-24 | 湖南湘讯企业管理有限公司 | A kind of crank-type ash-cleaning energy saving residual heat from boiler fume recovery channel |
| CN112682808A (en) * | 2020-12-30 | 2021-04-20 | 宁夏海盛实业有限公司 | Ash removal rapping device for submerged arc furnace flue gas waste heat boiler |
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| CN100485261C (en) * | 2006-02-16 | 2009-05-06 | 孙克勤 | Mechanical ash remover for tube type heat exchanger |
| CN101539299A (en) * | 2009-05-01 | 2009-09-23 | 青海物通（集团）实业有限公司 | Method for cleaning soot in waste heat boiler for generating electricity by ferrosilicon smelting flue gas waste heat |
| CN101725991B (en) * | 2010-02-10 | 2012-06-06 | 江苏太湖锅炉股份有限公司 | Net frame structure for removing dust |
| CN102721286A (en) * | 2012-06-12 | 2012-10-10 | 大连易世达新能源发展股份有限公司 | Double-pressure submerged arc furnace waste heat boiler with mechanical brush ash-removing device |
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2013
- 2013-05-02 CN CN201310158147.9A patent/CN103216839B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100485261C (en) * | 2006-02-16 | 2009-05-06 | 孙克勤 | Mechanical ash remover for tube type heat exchanger |
| CN101539299A (en) * | 2009-05-01 | 2009-09-23 | 青海物通（集团）实业有限公司 | Method for cleaning soot in waste heat boiler for generating electricity by ferrosilicon smelting flue gas waste heat |
| CN101725991B (en) * | 2010-02-10 | 2012-06-06 | 江苏太湖锅炉股份有限公司 | Net frame structure for removing dust |
| CN102721286A (en) * | 2012-06-12 | 2012-10-10 | 大连易世达新能源发展股份有限公司 | Double-pressure submerged arc furnace waste heat boiler with mechanical brush ash-removing device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423759A (en) * | 2013-09-03 | 2013-12-04 | 哈尔滨工程大学 | Waste heat recovery energy-saving device suitable for chimney |
| CN103423759B (en) * | 2013-09-03 | 2015-09-30 | 哈尔滨工程大学 | A kind of waste heat recovering energy conserving device being adapted to chimney |
| CN103471072B (en) * | 2013-09-06 | 2016-08-17 | 昆山市利昆机电设备有限公司 | The vertical type module of waste heat boiler |
| CN103471072A (en) * | 2013-09-06 | 2013-12-25 | 昆山市利昆机电设备有限公司 | Vertical module of waste heat boiler |
| CN103453510A (en) * | 2013-09-15 | 2013-12-18 | 宁夏天纵泓光余热发电技术有限公司 | Membrane wall heat exchange device |
| CN104390222B (en) * | 2014-10-24 | 2017-06-13 | 中材节能股份有限公司 | A kind of deashing device |
| CN104390222A (en) * | 2014-10-24 | 2015-03-04 | 中材节能股份有限公司 | Ash removal device |
| CN107044652A (en) * | 2017-05-16 | 2017-08-15 | 青岛德固特节能装备股份有限公司 | air preheater automatic ash-removing machine |
| CN108036340A (en) * | 2017-11-23 | 2018-05-15 | 中材节能股份有限公司 | A kind of boiler synchronization lifting deashing mechanism |
| CN108205260A (en) * | 2017-11-23 | 2018-06-26 | 中材节能股份有限公司 | A kind of industrial silicon ash cleaner for exhaust-heating boiler intelligent control method |
| CN108205260B (en) * | 2017-11-23 | 2021-02-26 | 中材节能股份有限公司 | Intelligent control method for ash removal device of industrial silicon waste heat boiler |
| CN108413425A (en) * | 2018-03-05 | 2018-08-17 | 湖南湘讯企业管理有限公司 | A kind of cam-type ash-cleaning energy saving residual heat from boiler fume recovery channel |
| CN108443903A (en) * | 2018-03-05 | 2018-08-24 | 湖南湘讯企业管理有限公司 | A kind of crank-type ash-cleaning energy saving residual heat from boiler fume recovery channel |
| CN112682808A (en) * | 2020-12-30 | 2021-04-20 | 宁夏海盛实业有限公司 | Ash removal rapping device for submerged arc furnace flue gas waste heat boiler |
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| Publication number | Publication date |
|---|---|
| CN103216839B (en) | 2015-09-23 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130724 Assignee: DECHANG ENVIRONMENTAL PROTECTION CO.,LTD. Assignor: NANTONG WANDA BOILER Co.,Ltd. Contract record no.: 2016320000146 Denomination of invention: Waste heat boiler mechanical dust-cleaning system Granted publication date: 20150923 License type: Common License Record date: 20160511 |
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Address after: 226005 No. 51, Hong Kong Road, Nantong, Jiangsu Patentee after: Nantong Wanda Energy Power Technology Co.,Ltd. Patentee after: Sinoma energy conservation Co., Ltd Address before: 226005 No. 51, Hong Kong Road, Nantong, Jiangsu Patentee before: NANTONG WANDA BOILER Co.,Ltd. Patentee before: Sinoma energy conservation Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |