CN103528427A - Mechanical brush type ash removing mechanism for stand type waste heat boiler - Google Patents
Mechanical brush type ash removing mechanism for stand type waste heat boiler Download PDFInfo
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- CN103528427A CN103528427A CN201310532528.9A CN201310532528A CN103528427A CN 103528427 A CN103528427 A CN 103528427A CN 201310532528 A CN201310532528 A CN 201310532528A CN 103528427 A CN103528427 A CN 103528427A
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- brush
- metal framework
- removing mechanism
- ash removing
- heat
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 239000002918 waste heat Substances 0.000 title abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 57
- 239000002184 metal Substances 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 13
- 238000013517 stratification Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 241000958526 Cuon alpinus Species 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000005997 Calcium carbide Substances 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a mechanical brush type ash removing mechanism for a stand type waste heat boiler. The mechanical brush type ash removing mechanism for the stand type waste heat boiler comprises a plurality of heat exchange pipes, multilayer pipe bundle units which are formed by horizontally arranged coiled pipe film type wall structures or a single finned pipe structure and one or a plurality of strip-shaped brush units which are installed between every two layers of pipe bundle units in a hanging mode; a plurality of metal brushes are uniformly installed on every strip-shaped brush unit which is installed in the gap between the pipe bundle units along a vertical direction or a horizontal direction. According to the mechanical brush type ash removing mechanism for the stand type waste heat boiler, accumulated ash of the heat exchange pipes are effectively removed, accumulated ash influencing thermal transmission is effectively avoided, and accordingly the utilization efficiency of heat energy is improved due to the facts that the strip-shaped brush units which performs reciprocating motion in a horizontal direction and ash removing surfaces of at least two metal brushes of the heat exchange pipes are responsible for ash removing.
Description
Technical field
The present invention relates to ferroalloy calcium carbide afterheat boiler technical field, be specially a kind of brush ash removing mechanism of machinery of vertical exhaust-heat boiler.
Background technology
According to Over About Chinese Ferroalloy Industry association relevant statistics, China is the first in the world ferroalloy big producing country, and within 2010, national ferroalloy output is 2435.5 ten thousand tons, increases by 10.23% on a year-on-year basis, accounts for the more than 50% of World Ferroalloy total output.China's the ferroalloy industry 90% left and right product adopts mineral hot furnace electrothermal way to produce, and energy resource consumption is higher, is the key industry that national energy-saving reduces discharging.The power consumption of mineral hot furnace accounts for 2% of national generating capacity, and power consumption receives much concern, and the waste heat that how to make full use of mineral hot furnace can not only be saved the energy, is more conducive to environmental protection.Calcium carbide is the main production raw material of polyvinyl chloride simultaneously, and China's calcium carbide output is that 250Duo Jia， manufacturer of the 560Wan Dun， China above calcium carbide of medium-scale manufacturing enterprise is also mainly distributed in the more concentrated west area of generating capacity.Calcium carbide can produce the waste heat flue gas of the 400-600 degree that carries 8-20g/Nm3 dust in mineral hot furnace production process, therefore need to reclaim by waste heat boiler.
Yet the small granule dust in ferroalloy flue gas coming from carbide furnace is superfine, average grain diameter is at 200-400nm, and the wall surface of dust is long-pending very large, reaches 10-25m2/g, very easily produce static, very easily absorption and also heat-proof quality very good.In ferroalloy flue gas coming from carbide furnace, dust content is high, it has extremely strong adhesion and very high thermal resistance, heat-proof quality, if the sticky ash of boiler heat exchange tube wall, dust stratification, heat exchange, the heat transfer efficiency of boiler will be greatly reduced, in prior art, the normal ash disposal mode adopting has: mechanical steel ball ash disposal, shock-wave ash blowing, steam soot blowing, mechanical vibrator, acetylene detonation, but all can not meet the normal operation of this kind of boiler.And waste heat boiler heating surface space for maintenance is narrow and small, the even not reserved space for maintenance in a lot of positions, repair and maintenance difficulty.For this reason applicant's specialized designs a kind of advanced person's the brush ash removing mechanism of machinery of vertical exhaust-heat boiler, at internal structure and aspect of performance, made larger breakthrough and improved.
Summary of the invention
The brush ash removing mechanism of machinery that the object of this invention is to provide a kind of vertical exhaust-heat boiler.
For reaching the object of the invention, the invention provides following technical scheme: a kind of brush ash removing mechanism of machinery of vertical exhaust-heat boiler, it comprises: several heat-exchange tubes, and coiled pipe membrane wall structure or single extended surface tube structure that along continuous straight runs is arranged form multilayer tube bank unit; Hang the one or more bar shaped brush units that are installed between every two-layer tube bank unit, wherein on each bar shaped brush unit, a plurality of metallic brush are installed equably, each heat-exchange tube is responsible for ash disposal by least 2 metallic brush except red dog, and bar shaped brush unit is arranged in the space between tube bank unit along vertical or horizontal direction; By the removably fixing metal framework of bar shaped brush unit, this metal framework along tube bank unit shaft to moving back and forth and thering are a plurality of traction fulcrums; The rail plate that metal framework is installed perpendicular to horizontal plane by the fulcrum at two ends, and it is parallel to heat-exchange tube; The drive unit being connected with traction fulcrum comprises a plurality of motors.
On the basis of technique scheme, further comprise following attached technical scheme:
Described rail plate is arranged in the horizontal direction of metal framework and perpendicular to the two ends of heat-exchange tube.
Described metal framework has three or three above traction fulcrums, and carries out sync pulling by a plurality of motors, and in moving process, ash handling equipment keeps vertical with heat-exchange tube.
The coiled pipe membrane wall along continuous straight runs that described heat-exchange tube forms is arranged, and bar shaped brush unit is synchronizeed with the rigid deformation of membrane wall.
Two fulcrum arranged outside at described rail plate two ends have locking structure.
Described bar shaped brush unit only has one end to be removably fixedly attached on metal framework.
A plurality of motors of described drive unit synchronously drive.
Described drive unit carries out transmission by chain or screw mandrel.
In the middle of described rail plate, there are one or more fixed pivots.
Described rail plate is arranged on metal framework upper end or lower end.
It is constant that active force between described metal framework and heat-exchange tube keeps.
Described rail plate has predeformation, and meshes in the horizontal direction with heat-exchange tube.
It comprises metal framework perpendicular to boiler tube, be arranged on metal framework inner side a plurality of for removing the bar shaped brush unit of boiler tube dust stratification, two groups of slider rollers that are arranged on the front and back position in metal framework outside, the guide rail coordinating with slider roller, being wherein provided with on metal framework in the guide rail extending into outside metal framework and can removing guide rail dust stratification and be positioned at that slider roller horizontal direction is gone forward or the metal ash disposal at rear is brushed at moving process.
It comprises with boiler is outside and is communicated with and makes at least part of exposed manhole of metal framework, wherein each bar shaped brush unit is detachably fixed to metal framework one end and comprises bonding jumper or metal tube and be arranged on bonding jumper or a plurality of metallic brush of metal tube, and bonding jumper or metal tube are connected with metallic brush by buckle or bolt.
Tool of the present invention has the following advantages:
1) be applicable to the modularization boiler structure of a plurality of overlapping installations and the cooperation between a plurality of vertical type module, saved required floor space is installed.
2) adopted a plurality of vertical type modules, made flue gas form air-flow from top to bottom in the vertical direction of boiler, mutually vertical with the bearing of trend of heat-exchange tube, significantly improved heating efficiency.
3) adopt horizontally disposed heat-exchange tube, effectively avoided the pressure differential fluctuation at heat-exchange tube two ends, made the pressure bearing that pipe-line system is in operation keep stable, improved the stability of steam generator system.
4) adopted the reciprocating bar shaped brush unit of horizontal direction, each heat-exchange tube is responsible for ash disposal by the red dog that removes of at least 2 metallic brush, thereby effectively remove the dust stratification of heat-exchange tube, effectively avoid dust stratification impact heat to transmit, and then improved the utilization ratio of heat energy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is internal structure schematic diagram of the present invention.
Fig. 2 is the structural representation of heat-exchange tube and ash handling equipment in the present invention.
Fig. 3 is the side-looking structural representation of ash handling equipment in the present invention.
Fig. 4 is the structural representation of transmission device in the present invention.
Fig. 5 is the structural representation of ash handling equipment, transmission device, drive unit in the present invention, and wherein transmission device is belt transmission, and drive unit is dual power source.
Fig. 6 is the structural representation of ash handling equipment, transmission device, drive unit in the present invention, and wherein transmission device is chain drive, and drive unit is dual power source.
Fig. 7 is the structural representation of ash handling equipment, transmission device, drive unit in the present invention, and wherein transmission device is lead screw transmission, and drive unit is dual power source.
The specific embodiment
Embodiment: shown in figure 1-7, the invention provides a kind of specific embodiment of the brush ash removing mechanism of machinery of vertical exhaust-heat boiler, it comprises: Vertical Steel structure frame 10, being fixed on the interior also two ends of Vertical Steel structure frame 10 has the exhaust gases passes 20 of air inlet pipe 22 and escape pipe 24, between air inlet pipe 22 and escape pipe 24 and more than three or three vertical type module 30 of detachably arranging along vertical direction, wherein each vertical type module 30 includes the heat-exchange tube 32 that a plurality of horizontal directions are extended, for horizontal direction, back and forth remove an ash handling equipment 40 of described heat-exchange tube 32 superficial dusts, be used for making the reciprocating transmission device 50 of ash handling equipment, the power set 60 of power are provided to transmission device.The control module between adjacent two vertical type modules with snap-in structure, hydraulic control device and electrical control power set or the hydraulic control device that can mutually dismantle.Horizontal direction is herein parallel with mounting plane (ground) direction, vertical type square to or vertical direction be vertical with mounting plane (ground) direction, and direction explanation is for illustrating that the relative position relation of element does not limit its protection domain.
Every heat-exchange tube 32 vertically connects up and down by elbow, pipe straight section place or pipe straight section and elbow Welding flat steel, make coiled pipe membrane wall, the length of every heat-exchange tube 32 is greater than 1.5m, and the spacing of every two adjacent heat exchanging tubes, the width that is coiled pipe membrane wall is greater than 3cm, to accommodate metallic brush.Heat-exchange tube adopts coiled pipe to arrange, and inside has water or other liquid carries out heat exchange, and liquid flow direction and flue gas opposite direction from top to bottom, from lower to upper, forms countercurrent heat exchange.The integrated support steel structure of fixed mount 34 is with the heat-exchange tube 32 of support level direction.Heat-exchange tube 32 can divide multiple row to arrange, and every row are fixed by fixed mount 34 and Vertical Steel structure frame 10.Ash handling equipment 40 is synchronizeed with the rigid deformation of coiled pipe membrane wall, guarantees can not block or produce larger frictional force between ash disposal rack and coiled pipe membrane wall.It is fixing with Reducing distortion that heat-exchange tube middle part has at least one fulcrum.
Hydraulic control device is in order to the hydraulic pressure between control/monitoring vertical type module, and can connection control unit.Control module comprises single-chip microcomputer or microprocessor, and by a plurality of different types of sensors, as displacement transducer, velocity sensor, limit sensors etc., monitors, and has effectively avoided the faults such as the locking in running, inefficacy, damage.
The present invention, by the vertical type module of a plurality of overlapping installations, has greatly saved required floor space has been installed, and makes flue gas form air-flow from top to bottom in the vertical direction of boiler, mutually vertical with the heat-exchange tube of heat exchange module, has significantly improved heat utilization ratio.Adopt horizontally disposed heat-exchange tube, effectively avoided the pressure differential fluctuation at heat-exchange tube two ends, made the pressure that pipe-line system is in operation keep stable, improved the stability of steam generator system.The present invention has adopted netted ash handling equipment, and each heat-exchange tube is responsible for ash disposal by the red dog that removes of at least 2 metallic brush, thereby effectively removes the dust stratification of every heat-exchange tube, effectively avoids dust stratification impact heat to transmit, and then has improved the utilization ratio of heat energy.
Certainly above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformation or modification that according to the present invention, the Spirit Essence of main technical schemes is done, within all should being encompassed in protection scope of the present invention.
Claims (12)
1. the brush ash removing mechanism of the machinery of vertical exhaust-heat boiler module, is characterized in that it comprises:
Several heat-exchange tubes, and coiled pipe membrane wall structure or single extended surface tube structure that along continuous straight runs is arranged form multilayer tube bank unit;
Hang the one or more bar shaped brush units that are installed between every two-layer tube bank unit, wherein on each bar shaped brush unit, a plurality of metallic brush are installed equably, each heat-exchange tube is responsible for ash disposal by least 2 metallic brush except red dog, and bar shaped brush unit is arranged in the space between tube bank unit along vertical or horizontal direction;
By the removably fixing metal framework of bar shaped brush unit, this metal framework along tube bank unit shaft to moving back and forth and thering are a plurality of traction fulcrums;
The rail plate that metal framework is installed perpendicular to horizontal plane by the fulcrum at two ends, and it is parallel to heat-exchange tube;
The drive unit being connected with traction fulcrum comprises a plurality of motors.
2. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: described rail plate is arranged in the horizontal direction of metal framework and perpendicular to the two ends of heat-exchange tube.
3. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: described metal framework has three or three above traction fulcrums, and carries out sync pulling by a plurality of motors, and in moving process, bar shaped brush unit keeps vertical with heat-exchange tube.
4. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: the coiled pipe membrane wall along continuous straight runs that described heat-exchange tube forms arranges, and the movement of metal framework and the rigid deformation of membrane wall are synchronizeed.
5. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: two fulcrum arranged outside at described rail plate two ends have locking structure.
6. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: described bar shaped brush unit only has one end to be removably fixedly attached on metal framework.
7. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: a plurality of motors of described drive unit synchronously drive.
8. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: described drive unit carries out transmission by chain or screw mandrel.
9. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: described rail plate is arranged on metal framework upper end or lower end.
10. the brush ash removing mechanism of machinery according to claim 1, is characterized in that: described rail plate has predeformation, and meshes in the horizontal direction with heat-exchange tube.
11. 1 kinds of guide rail structures of mechanical brush ash removing mechanism as claimed in claim 1, is characterized in that: it comprises metal framework perpendicular to boiler tube, be arranged on metal framework inner side a plurality of for removing the bar shaped brush unit of boiler tube dust stratification, two groups of slider rollers that are arranged on the front and back position in metal framework outside, the guide rail coordinating with slider roller, being wherein provided with on metal framework in the guide rail extending into outside metal framework and can removing guide rail dust stratification and be positioned at that slider roller horizontal direction is gone forward or the metal ash disposal at rear is brushed at moving process.
12. 1 kinds of boiler cleaning brush parts of mechanical brush ash removing mechanism as claimed in claim 1, it is characterized in that: it comprises with boiler is outside and is communicated with and makes at least part of exposed manhole of metal framework, wherein each bar shaped brush unit is detachably fixed to metal framework one end and comprises bonding jumper or metal tube and be arranged on bonding jumper or a plurality of metallic brush of metal tube, and bonding jumper or metal tube are connected with metallic brush by buckle or bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532528.9A CN103528427B (en) | 2013-10-31 | 2013-10-31 | A kind of machinery brush ash removing mechanism of vertical exhaust-heat boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310532528.9A CN103528427B (en) | 2013-10-31 | 2013-10-31 | A kind of machinery brush ash removing mechanism of vertical exhaust-heat boiler |
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| Publication Number | Publication Date |
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| CN103528427A true CN103528427A (en) | 2014-01-22 |
| CN103528427B CN103528427B (en) | 2016-06-08 |
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| CN201310532528.9A Expired - Fee Related CN103528427B (en) | 2013-10-31 | 2013-10-31 | A kind of machinery brush ash removing mechanism of vertical exhaust-heat boiler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296592A (en) * | 2014-10-27 | 2015-01-21 | 宁夏天纵泓光余热发电技术有限公司 | Mechanical airflow type cleaning device for waste heat boiler heat exchange tube |
| CN104374230A (en) * | 2014-10-24 | 2015-02-25 | 中材节能股份有限公司 | Dust removing device for finned tube exchanger |
| CN106247361A (en) * | 2016-09-30 | 2016-12-21 | 苏州恩闻信息科技有限公司 | A kind of special deashing device of horizontal mineral hot furnace waste heat boiler |
| CN106288933A (en) * | 2016-09-30 | 2017-01-04 | 苏州恩闻信息科技有限公司 | There is the horizontal mineral hot furnace waste heat boiler of elastic deashing rag deashing device |
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| EP0774640A1 (en) * | 1995-11-15 | 1997-05-21 | Wehrle-Werk Ag | Pipe cleaning device |
| 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 |
| CN202002126U (en) * | 2010-11-30 | 2011-10-05 | 上海久升节能工程有限公司 | Ash-removal brush assembly for submerged arc furnace type heat recovery boiler |
| EP2505915A1 (en) * | 2011-04-01 | 2012-10-03 | Nooter/Eriksen s.r.l. | Device and method for cleaning heat exchange finned tubes in a heat recovery steam generator |
| 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 cleaning device |
| CN202521621U (en) * | 2012-03-05 | 2012-11-07 | 大连易世达新能源发展股份有限公司 | A waste heat boiler dust removal device |
| CN203240595U (en) * | 2013-05-02 | 2013-10-16 | 南通万达锅炉有限公司 | Pipe box type waste heat boiler with mechanical ash removal devices |
| CN203550759U (en) * | 2013-10-31 | 2014-04-16 | 昆山市利昆机电设备有限公司 | Mechanical brush type ash removing mechanism of vertical type waste heat boiler |
-
2013
- 2013-10-31 CN CN201310532528.9A patent/CN103528427B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0774640A1 (en) * | 1995-11-15 | 1997-05-21 | Wehrle-Werk Ag | Pipe cleaning device |
| 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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374230A (en) * | 2014-10-24 | 2015-02-25 | 中材节能股份有限公司 | Dust removing device for finned tube exchanger |
| CN104296592A (en) * | 2014-10-27 | 2015-01-21 | 宁夏天纵泓光余热发电技术有限公司 | Mechanical airflow type cleaning device for waste heat boiler heat exchange tube |
| CN104296592B (en) * | 2014-10-27 | 2016-05-11 | 宁夏天纵泓光余热发电技术有限公司 | Mechanical airflow formula exchanging pipe of boiler by waste clearing apparatus |
| CN106247361A (en) * | 2016-09-30 | 2016-12-21 | 苏州恩闻信息科技有限公司 | A kind of special deashing device of horizontal mineral hot furnace waste heat boiler |
| CN106288933A (en) * | 2016-09-30 | 2017-01-04 | 苏州恩闻信息科技有限公司 | There is the horizontal mineral hot furnace waste heat boiler of elastic deashing rag deashing device |
| CN106247361B (en) * | 2016-09-30 | 2018-06-15 | 苏州恩闻信息科技有限公司 | A kind of special deashing device of horizontal mineral hot furnace waste heat boiler |
| CN106288933B (en) * | 2016-09-30 | 2019-04-30 | 苏州恩闻信息科技有限公司 | Horizontal mineral hot furnace waste heat boiler with the deashing device containing elastic deashing rag |
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| CN103528427B (en) | 2016-06-08 |
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Granted publication date: 20160608 |