CN103471073A - Waste heat boiler with a plurality of vertical modules - Google Patents
Waste heat boiler with a plurality of vertical modules Download PDFInfo
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- CN103471073A CN103471073A CN2013104063109A CN201310406310A CN103471073A CN 103471073 A CN103471073 A CN 103471073A CN 2013104063109 A CN2013104063109 A CN 2013104063109A CN 201310406310 A CN201310406310 A CN 201310406310A CN 103471073 A CN103471073 A CN 103471073A
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Abstract
The invention discloses a waste heat boiler with a plurality of vertical modules. The waste heat boiler comprises a vertical steel structure rack, an air inlet tube, an air outlet tube and three or more than three vertical modules. The air inlet tube is fixed at the upper end of the vertical steel structure rack, the air outlet tube is fixed at the lower end of the vertical steel structure rack, and the three or more than three vertical modules are arranged between the air inlet tube and the air outlet tube and are arranged vertically and detachably. Each of the three or more than three vertical modules comprises a plurality of boiler tubes extending horizontally and an ash cleaning apparatus for cleaning ash on the surfaces of the boiler tubes horizontally back and forth. According to the waste heat boiler, the occupied area required by mounting is greatly saved; smoke is enabled to form airflow from the top to the bottom in the vertical direction of the boiler, and the airflow is perpendicular to the extending directions of the boiler tubes, accordingly, the heat utilization rate is greatly improved, pressure difference fluctuation at two ends of the boiler tubes is effectively prevented, pressure of the pipeline system during the operation remains stable and the boiler system stability is improved.
Description
Technical field
The present invention relates to ferroalloy calcium carbide afterheat boiler technical field, be specially a kind of waste heat boiler with a plurality of vertical type modules.
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 more than 50% of World Ferroalloy total output.China's the ferroalloy industry 90% left and right product adopts the 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 take full advantage of mineral hot furnace can not only be saved the energy, more is conducive to environmental protection.Calcium carbide is the main production raw material of polyvinyl chloride simultaneously, and China's calcium carbide output is 5,600,000 tons, family more than 250 of the above calcium carbide of China's medium-scale manufacturing enterprise, and manufacturer also mainly is 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 the 8-20g/Nm3 dust in the mineral hot furnace production process, therefore need to be reclaimed by waste heat boiler.
Yet the small granule dust in the ferroalloy flue gas coming from carbide furnace is superfine, average grain diameter is at 200-400nm, and the specific area of dust is very large, reaches 10-25m2/g, very easily produce static, very easily absorption and also heat-proof quality very good.In the 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 adopted 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 the waste heat boiler heating surface space for maintenance is narrow and small, the even not reserved space for maintenance in a lot of positions, the repair and maintenance difficulty, for this reason applicant's specialized designs a kind of waste heat boiler with a plurality of vertical type modules, to adapt to the requirement of ferroalloy calcium carbide industry waste heat boiler.
Summary of the invention
The purpose of this invention is to provide a kind of waste heat boiler with a plurality of vertical type modules.
For reaching the object of the invention, the invention provides following technical scheme: a kind of waste heat boiler with a plurality of vertical type modules, it comprises Vertical Steel structure frame, be fixed on the air inlet pipe of Vertical Steel structure frame upper end, be fixed on the escape pipe of Vertical Steel structure frame lower end, between air inlet pipe and escape pipe and dismountable vertical type module more than three or three of arranging along vertical direction, wherein each vertical type module includes the boiler tube that a plurality of along continuous straight runs extend, and back and forth remove a deashing device of described boiler tube superficial dust for along continuous straight runs.
On the basis of technique scheme, further comprise following attached technical scheme:
Described deashing device at least comprises in the framework in the described boiler tube outside, is connected with framework and between adjacent boiler tube and dismountable several metallic brush, draw fulcrums and there are at least three on framework, drawn synchronously and moved forward and backward by one or more motors by a transmission device, in moving process, framework keeps vertical with boiler tube.
A deashing passage that upwards by membrane wall, is connected and is formed for guiding the deashing device along continuous straight runs to move at vertical type square between described adjacent boiler tube.
Each boiler tube while mutually against contacting, crosses the deashing that moves horizontally of metallic brush with at least 2 metallic brush.
Itself or with another waste heat boiler with a plurality of vertical type modules, connect, or connect with another waste heat boiler with a plurality of horizontal modules.
Described deashing device further comprises that between described framework and boiler tube, space is even for removably metallic brush being fixed to several bonding jumpers or the metal tube on framework, and framework is positioned on a plane.
It further comprises power set and the transmission device between power set and deashing device.
The length of every boiler tube is greater than 1.5m, and the spacing of every two adjacent boiler tubes is greater than 3cm, and boiler tube adopts coiled pipe to arrange.
There is the snap-in structure that can mutually dismantle between described adjacent two vertical type modules.
Pipeline between described adjacent two vertical type modules is provided with hydraulic control device.
The present invention has following advantage:
1) be applicable to the modularization boiler structure of a plurality of overlapping installations and the cooperation between a plurality of vertical type module, greatly 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 boiler tube, significantly improved heat utilization ratio.
3) adopted horizontally disposed boiler tube, effectively avoided the pressure differential fluctuation at boiler tube two ends, it is stable that the pressure that makes pipe-line system be in operation keeps, and improved the stability of steam generator system.
4) adopted the reciprocating deashing device of horizontal direction, each boiler 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 boiler tube, effectively avoids dust stratification impact heat to transmit, and then has improved the utilization ratio of heat energy.
The 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.
The structural representation that Fig. 2 is heat exchange module and deashing device in the present invention.
The side-looking structural representation that Fig. 3 is deashing device in the present invention.
The structural representation that Fig. 4 is transmission device in the present invention.
The specific embodiment
Embodiment: shown in figure 1-4, the invention provides a kind of specific embodiment with waste heat boiler of a plurality of vertical type modules, 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 the vertical type module more than three or three 30 of detachably arranging along vertical direction, wherein each vertical type module 30 includes the boiler tube 32 that a plurality of horizontal directions are extended, back and forth remove a deashing device 40 of described boiler tube 32 superficial dusts for horizontal direction, for making the reciprocating transmission device 50 of deashing device, the power set 60 of power are provided to transmission device.The control module that there is snap-in structure, hydraulic control device and electrical control power set or the hydraulic control device that can mutually dismantle between adjacent two vertical type modules.Horizontal direction herein is parallel with mounting plane (ground) direction, vertical type square to or vertical direction be vertical with mounting plane (ground) direction, and direction explanation is that relative position relation for element is described does not limit its protection domain.
Vertical type module 30 also is included in that vertical type square upwards connects the membrane wall 32 of adjacent two boiler tubes 32 and for the fixing fixed mount 34 of boiler tube 32, wherein membrane wall 32 and adjacent two boiler tubes 32 are formed for a deashing passage of guide wire brush 44 motions jointly, the deashing passage is not that horizontal direction is extended, to guarantee that metallic brush 44 moves back and forth in the horizontal direction and not offset track.The end surface shape of vertical type module 30 is axisymmetric, is again centrosymmetric (as square, rectangle), and can combine with traditional horizontal module.The number of vertical type module 30 is preferably 3-15, is reduced to suitable temperature with the flue-gas temperature of guaranteeing outlet, as 100 degree.Each boiler tube 32 simultaneously with at least 2 metallic brush 44 mutually against contacting.
Every boiler tube 32 vertically connects up and down by elbow, and pipe straight section place or pipe straight section and elbow Welding flat steel, make membrane wall 32, the length of every boiler tube 32 is greater than 1.5m, and the spacing of every two adjacent boiler tubes, the width of membrane wall 32 is greater than 3cm, to accommodate metallic brush.Boiler tube adopts coiled pipe to arrange, and boiler tube is also referred to as heat-exchange tube, 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 boiler tube 32 of support level direction.Boiler tube 32 can divide multiple row to arrange, and every row are fixed by fixed mount 34 and Vertical Steel structure frame 10.
Deashing device 40 at least comprises and is positioned at described boiler tube 32 outsides and metal framework 42, with framework 42, be connected and between adjacent boiler tube 32 and dismountable several metallic brush 44, be positioned at several pulleys 46 in framework 42 outsides, be arranged on framework 42 and be connected with transmission device 50 and the traction fulcrum 48 more than at least three, for removably metallic brush 44 being fixed to several fixtures 47 on framework 42, and the bolt 49 of connection fixture 47 and framework 42, wherein fixture is preferably bonding jumper or metal tube, framework 42 is preferably the framework of Intermediate Gray grid or is called the rack frame.Between described framework 42 and boiler tube 32, space is even, and framework 42 is positioned on a plane.Metallic brush 44 is that fluffy wire forms, but has certain amount of deflection and crimp, is shaped as annulus or elliptical ring.Fixed mount 34 has and coordinates with pulley 46 and be positioned at several guide rails outside exhaust gases passes 20.Deashing device 40 makes every boiler tube 32 be responsible for ash disposal by the red dog that removes of at least 2 metallic brush 44, and framework 42 drives traction by motor, and the metallic brush 44 of deashing device 40 can move back and forth along the horizontal direction of boiler tube 32.Metallic brush 44 can be dismantled, easy access.
Hydraulic control device is in order to the hydraulic pressure between control/monitoring vertical type module, but and 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., is monitored, and has effectively avoided the faults such as the locking in the 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 boiler tube of heat exchange module, has significantly improved heat utilization ratio.Adopted horizontally disposed heat-exchange tube, effectively avoided the pressure differential fluctuation at heat-exchange tube two ends, it is stable that the pressure that makes pipe-line system be in operation keeps, and 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 characteristics, and its purpose is to allow the 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 (10)
1. the waste heat boiler with a plurality of vertical type modules, it is characterized in that it comprises: Vertical Steel structure frame, be fixed on Vertical Steel structure frame upper end air inlet pipe, be fixed on the escape pipe of Vertical Steel structure frame lower end, between air inlet pipe and escape pipe and dismountable vertical type module more than three or three of arranging along vertical direction, wherein each vertical type module includes the boiler tube that a plurality of along continuous straight runs extend and back and forth removes a deashing device of described boiler tube superficial dust for along continuous straight runs.
2. a kind of waste heat boiler with a plurality of vertical type modules according to claim 1, it is characterized in that: described deashing device at least comprises in the framework in the described boiler tube outside, is connected with framework and between adjacent boiler tube and dismountable several metallic brush, draw fulcrums and there are at least three on framework, drawn synchronously and moved forward and backward by one or more motors by a transmission device, in moving process, framework keeps vertical with boiler tube.
3. a kind of waste heat boiler with a plurality of vertical type modules according to claim 1, is characterized in that: upwards by membrane wall, be connected at vertical type square between adjacent boiler tube, and be formed for guiding a deashing passage of deashing device along continuous straight runs motion.
4. a kind of waste heat boiler with a plurality of vertical type modules according to claim 3 is characterized in that: described each boiler tube simultaneously with at least 2 metallic brush mutually against contacting, by the deashing that moves horizontally of metallic brush.
5. a kind of waste heat boiler with a plurality of vertical type modules according to claim 1 is characterized in that: itself or with another waste heat boiler with a plurality of vertical type modules, connect, or connect with another waste heat boiler with a plurality of horizontal modules.
6. a kind of waste heat boiler with a plurality of vertical type modules according to claim 2, it is characterized in that: described deashing device further comprises for removably metallic brush being fixed to several bonding jumpers or the metal tube on framework, between described framework and boiler tube, space is even, and framework is positioned on a plane.
7. a kind of waste heat boiler with a plurality of vertical type modules according to claim 4, it is characterized in that: it further comprises draw-gear and the transmission device between draw-gear and deashing device.
8. a kind of waste heat boiler with a plurality of vertical type modules according to claim 1, it is characterized in that: the length of every boiler tube is greater than 1.5m, and the spacing of every two adjacent heat exchanging tubes is greater than 3cm, and boiler tube adopts coiled pipe to arrange.
9. a kind of waste heat boiler with a plurality of vertical type modules according to claim 8, is characterized in that: between described adjacent two vertical type modules, have the snap-in structure that can mutually dismantle.
10. a kind of waste heat boiler with a plurality of vertical type modules according to claim 9, it is characterized in that: the pipeline between described adjacent two vertical type modules is provided with hydraulic control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310406310.9A CN103471073B (en) | 2013-09-06 | 2013-09-06 | There is the waste heat boiler of multiple vertical type module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310406310.9A CN103471073B (en) | 2013-09-06 | 2013-09-06 | There is the waste heat boiler of multiple vertical type module |
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| CN103471073A true CN103471073A (en) | 2013-12-25 |
| CN103471073B CN103471073B (en) | 2016-03-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106500080A (en) * | 2016-12-22 | 2017-03-15 | 天津健威泽节能环保技术发展有限公司 | The waste heat boiler of the waste gas of micronic dust containing high adsorption |
| CN110925736A (en) * | 2019-11-20 | 2020-03-27 | 浙江特富锅炉有限公司 | Frame docking mechanism in boiler |
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Patent Citations (9)
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| 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 (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN106500080A (en) * | 2016-12-22 | 2017-03-15 | 天津健威泽节能环保技术发展有限公司 | The waste heat boiler of the waste gas of micronic dust containing high adsorption |
| CN110925736A (en) * | 2019-11-20 | 2020-03-27 | 浙江特富锅炉有限公司 | Frame docking mechanism in boiler |
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| Publication number | Publication date |
|---|---|
| CN103471073B (en) | 2016-03-23 |
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