CN103471073B - There is the waste heat boiler of multiple vertical type module - Google Patents
There is the waste heat boiler of multiple vertical type module Download PDFInfo
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- CN103471073B CN103471073B CN201310406310.9A CN201310406310A CN103471073B CN 103471073 B CN103471073 B CN 103471073B CN 201310406310 A CN201310406310 A CN 201310406310A CN 103471073 B CN103471073 B CN 103471073B
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Abstract
The invention discloses a kind of waste heat boiler with multiple vertical type module, it comprises: Vertical Steel structural frame, be fixed on Vertical Steel structural frame upper end air inlet pipe, be fixed on Vertical Steel structural frame lower end escape pipe, between air inlet pipe and escape pipe and dismountable vertical type module of more than three or three along vertical direction arrangement, wherein each vertical type module includes multiple boiler tube of extending in the horizontal direction and the deashing device for the reciprocal described boiler tube superficial dust of removing in the horizontal direction.The present invention saves the floor space needed for installation greatly.Flue gas is made to form air-flow from top to bottom in the vertical direction of boiler, mutually vertical with the bearing of trend of boiler tube, significantly improve heat utilization ratio, effectively prevent the fluctuating pressure differences at boiler tube two ends, make the pressure remained steady that pipe-line system is in operation, improve the stability of steam generator system.
Description
Technical field
The present invention relates to ferroalloy calcium carbide afterheat boiler technical field, be specially a kind of waste heat boiler with multiple vertical type module.
Background technology
According to Over About Chinese Ferroalloy Industry association relevant statistics, China is the first in the world J. sigillate big country, and national ferroalloy output 2435.5 ten thousand tons in 2010, increases by 10.23% on a year-on-year basis, account for more than 50% of World Ferroalloy total output.China's the ferroalloy industry about 90% 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 how making full use of mineral hot furnace can not only economize 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 5,600,000 tons, and family more than 250 of the above calcium carbide manufacturing enterprise of China's medium-scale, manufacturer is also mainly distributed in the west area that generating capacity is relatively concentrated.Calcium carbide can produce and carry 8-20g/Nm in mineral hot furnace production process
3the waste heat flue gas of 400-600 degree Celsius of dust, therefore needs to be reclaimed by waste heat boiler.
But small granule dust in 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 10-25m
2/ g, very easily produces electrostatic, very easily absorption and 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 adopted has: mechanical steel ball ash disposal, shock-wave ash blowing, steam soot blowing, mechanical vibrator, acetylene detonation, but the normal operation that all can not meet 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 position, repair and maintenance difficulty, for this reason a kind of waste heat boiler with multiple vertical type module of applicant's specialized designs, adapting to the requirement of ferroalloy calcium carbide industry waste heat boiler.
Summary of the invention
The object of this invention is to provide a kind of waste heat boiler with multiple vertical type module.
For reaching the object of the invention, the invention provides following technical scheme: a kind of waste heat boiler with multiple vertical type module, it comprises Vertical Steel structural frame, be fixed on the air inlet pipe of Vertical Steel structural frame upper end, be fixed on the escape pipe of Vertical Steel structural frame lower end, between air inlet pipe and escape pipe and dismountable along vertical direction arrangement the vertical type module of more than three or three, wherein each vertical type module includes multiple boiler tube extended in the horizontal direction, and for back and forth removing a deashing device of described boiler tube superficial dust in the horizontal direction.
On the basis of technique scheme, comprise following attached technical scheme further:
The described deashing device framework at least comprised outside described boiler tube is connected with framework and between adjacent boiler tube and several metallic brush dismountable, and framework has at least three traction fulcrums, carry out traction by a transmission device by one or more motor synchronously movable, in moving process, framework and boiler tube keep vertical.
Upwards be connected by membrane wall at vertical type square between described adjacent boiler tube and form the deashing passage for guiding deashing device to move in the horizontal direction.
With at least 2 mutual abutting contact of metallic brush while of each boiler tube, that crosses metallic brush moves horizontally deashing.
Itself or connect with another waste heat boiler with multiple vertical type module, or to connect with another waste heat boiler with multiple horizontal module.
Described deashing device comprises further for removably metallic brush being fixed to several bonding jumpers in framework or metal tube, and between described framework and boiler tube, space is even, and framework is positioned in a plane.
It comprises power set and the transmission device between power set and deashing device further.
The length of every root 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 arrangement.
Between described adjacent two vertical type modules, there is the snap-in structure that can mutually dismantle.
Pipeline between described adjacent two vertical type modules is provided with hydraulic control device.
Tool of the present invention has the following advantages:
1) be applicable to multiple overlap install modularization boiler structure and multiple vertical type module between cooperation, greatly save the floor space needed for installation.
2) have employed multiple vertical type module, make 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 improve heat utilization ratio.
3) have employed horizontally disposed boiler tube, effectively prevent the fluctuating pressure differences at boiler tube two ends, make the pressure remained steady that pipe-line system is in operation, improve the stability of steam generator system.
4) have employed 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, thus effectively removes the dust stratification of boiler tube, effectively avoids dust stratification to affect heat trnasfer, and then improves 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 module and deashing device in the present invention.
Fig. 3 is the side-looking structural representation of deashing device in the present invention.
Fig. 4 is the structural representation of transmission device in the present invention.
Detailed description of the invention
Embodiment: shown in figure 1-4, the invention provides a kind of specific embodiment with the waste heat boiler of multiple vertical type module, it comprises: Vertical Steel structural frame 10, be fixed on the exhaust gases passes 20 that there are air inlet pipe 22 and escape pipe 24 in Vertical Steel structural frame 10 and two ends, between air inlet pipe 22 and escape pipe 24 and detachably along the vertical type module 30 of more than three or three of vertical direction arrangement, wherein each vertical type module 30 includes the boiler tube 32 that multiple horizontal direction extends, a deashing device 40 of described boiler tube 32 superficial dust is back and forth removed for horizontal direction, for making the reciprocating transmission device 50 of deashing device, the power set 60 of power are provided to transmission device.Have between adjacent two vertical type modules can mutually dismantle snap-in structure, hydraulic control device and electrical control power set or hydraulic control device control unit.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 illustrates it is do not limit its protection domain for illustration of the relative position relation of element.
Vertical type module 30 is also included in vertical type square and upwards connects the membrane wall of adjacent two boiler tubes 32 and the fixed mount for fixing boiler tube 32, wherein membrane wall and adjacent two boiler tubes 32 form the deashing passage being used for guide wire brush 44 and moving jointly, deashing passage is that horizontal direction extends, the not offset track to ensure metallic brush 44 to move back and forth in the horizontal direction.The end surface shape of vertical type module 30 is axisymmetric, is again centrosymmetric (as square, rectangle), and can with traditional horizontal block combiner.The number of vertical type module 30 is preferably 3-15, to guarantee that the flue-gas temperature exported is reduced to suitable temperature, as 100 degrees Celsius.Each boiler tube 32 is the mutual abutting contact with at least 2 metallic brush 44 simultaneously.
Every root boiler tube 32 is vertically connected up and down by elbow, and pipe straight section place or pipe straight section and elbow Welding flat steel, make membrane wall, the length of every root boiler tube 32 is greater than 1.5m, and the spacing of every two adjacent boiler tubes, namely the width of membrane wall is greater than 3cm, to accommodate metallic brush.Boiler tube adopts coiled pipe arrangement, 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 direction is from top to bottom contrary, namely from lower to upper, forms countercurrent heat exchange.The integrated support steel structure of fixed mount is with the boiler tube 32 in support level direction.Boiler tube 32 can divide multiple row to arrange, and often arranges and is fixed by fixed mount and Vertical Steel structural frame 10.
Deashing device 40 at least comprises and to be positioned at outside described boiler tube 32 and metal framework 42, to be connected with framework 42 and between adjacent boiler tube 32 and several metallic brush 44 dismountable, be positioned at several pulleys 46 outside framework 42, be arranged in framework 42 and with transmission device 50 and be connected and the traction fulcrum 48 of more than at least three, for removably metallic brush 44 being fixed to several fixtures 47 in 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 rack frame.Between described framework 42 and boiler tube 32, space is even, and framework 42 is positioned in a plane.Metallic brush 44 is that fluffy wire is formed, and has certain amount of deflection and can crimp, and shape is annulus or elliptical ring.Fixed mount has and to coordinate with pulley 46 and to be positioned at several guide rails outside exhaust gases passes 20.Deashing device 40 makes every root boiler tube 32 be responsible for ash disposal by the red dog that removes of at least 2 metallic brush 44, and framework 42 carries out driving 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.
Transmission device 50 comprises drive, and is connected with traction fulcrum 48 by steel wire or belt or the drive mechanism such as chain or screw mandrel.Shown in figure 4, transmission device 50 is belt transmission, is coordinated with the rail plate 340 of fixed mount by the pulley 46 of deashing unit 40, and the two ends limited location guard block 342 of rail plate 340 realizes spacing, and power set 60 are a motor.Realize carrying out traction by one or more motor thus synchronously movable, in moving process, framework 42 keeps vertical with boiler tube 32.
Hydraulic control device in order to controlling/monitoring vertical type module between hydraulic pressure, and can connection control unit.Control unit comprises single-chip microcomputer or microprocessor, and by multiple different types of sensor, as displacement transducer, velocity sensor, limit sensors etc. are monitored, effectively prevent the faults such as the locking in running, inefficacy, damage.
The vertical type module that the present invention is installed by multiple overlap, greatly saves the floor space needed for installation, 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, significantly improves heat utilization ratio.Have employed horizontally disposed heat-exchange tube, effectively prevent the fluctuating pressure differences at heat-exchange tube two ends, make the pressure remained steady that pipe-line system is in operation, improve the stability of steam generator system.Present invention employs netted ash handling equipment, each heat-exchange tube is responsible for ash disposal by the red dog that removes of at least 2 metallic brush, thus effectively removes the dust stratification of every root heat-exchange tube, effectively avoids dust stratification to affect heat trnasfer, and then improves the utilization ratio of heat energy.
Certain above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to the Spirit Essence of main technical schemes of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (6)
1. there is a waste heat boiler for multiple vertical type module, it is characterized in that it comprises: Vertical Steel structural frame, be fixed on Vertical Steel structural frame upper end air inlet pipe, be fixed on Vertical Steel structural frame lower end escape pipe, between air inlet pipe and escape pipe and dismountable along vertical direction arrangement the vertical type module of more than three;
Wherein, each vertical type module include multiple boiler tube of extending in the horizontal direction and for back and forth remove described boiler tube superficial dust in the horizontal direction a deashing device, for making the reciprocating transmission device of deashing device, providing the power set of power to transmission device;
Upwards be connected by membrane wall at vertical type square between described adjacent boiler tube, and form the deashing passage for guiding deashing device to move in the horizontal direction;
The described deashing device framework at least comprised outside described boiler tube is connected with framework and between adjacent boiler tube and several metallic brush dismountable, and framework has at least three traction fulcrums, carry out traction by a transmission device by one or more motor synchronously movable, in moving process, framework and boiler tube keep vertical;
Between described adjacent two vertical type modules, there is the snap-in structure that can mutually dismantle; Pipeline between described adjacent two vertical type modules is provided with hydraulic control device.
2. a kind of waste heat boiler with multiple vertical type module according to claim 1, is characterized in that: described each boiler tube simultaneously with at least 2 mutual abutting contact of metallic brush, move horizontally deashing by metallic brush.
3. a kind of waste heat boiler with multiple vertical type module according to claim 1, is characterized in that: itself or connect with another waste heat boiler with multiple vertical type module, or to connect with another waste heat boiler with multiple horizontal module.
4. a kind of waste heat boiler with multiple vertical type module according to claim 1, it is characterized in that: described deashing device comprises for removably metallic brush being fixed to several bonding jumpers in framework or metal tube further, between described framework and boiler tube, space is even, and framework is positioned in a plane.
5. a kind of waste heat boiler with multiple vertical type module according to claim 3, is characterized in that: it comprises draw-gear and the transmission device between draw-gear and deashing device further.
6. a kind of waste heat boiler with multiple vertical type module according to claim 1, is characterized in that: the length of every root boiler tube is greater than 1.5m, and the spacing of every two adjacent exchange tubes is greater than 3cm, and boiler tube adopts coiled pipe arrangement.
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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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| 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 CN103471073A (en) | 2013-12-25 |
| CN103471073B true CN103471073B (en) | 2016-03-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11287401A (en) * | 1998-04-03 | 1999-10-19 | Hitachi Zosen Corp | Preventing method for corrosion of waste heat boiler |
| 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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