CN110553396A - High-efficiency suspension type hot blast stove - Google Patents
High-efficiency suspension type hot blast stove Download PDFInfo
- Publication number
- CN110553396A CN110553396A CN201910814358.0A CN201910814358A CN110553396A CN 110553396 A CN110553396 A CN 110553396A CN 201910814358 A CN201910814358 A CN 201910814358A CN 110553396 A CN110553396 A CN 110553396A
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- Prior art keywords
- pipe
- air
- homogenizing
- air pipe
- furnace body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
- F23C3/006—Combustion apparatus characterised by the shape of the combustion chamber the chamber being arranged for cyclonic combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
- F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0057—Guiding means
- F24H9/0063—Guiding means in air channels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
the invention discloses a high-efficiency suspended hot blast stove which comprises a combustion furnace, a heat exchanger, a cyclone dust removal system, a horizontally transverse air pipe and a feeding pipe connected to a furnace body, wherein the air outlet end of the air pipe is connected with an air inlet on the furnace body of the combustion furnace, the air inlet end of the air pipe is connected with an air source through a homogenizing device, and the homogenizing device is used for adjusting the air inlet amount of the air pipe. Through set up the homogenization device between tuber pipe and wind source, through adjusting the homogenization device with the intake size that changes the tuber pipe to guarantee to let in the tuber pipe and preset invariable wind pressure, in order to ensure that fuel fully burns in the furnace body.
Description
Technical Field
The invention relates to the technical field of hot blast stoves, in particular to a suspension type hot blast stove with high combustion efficiency.
Background
The suspension type hot blast stove is characterized in that fuel is fully contacted with air in the falling process in a hearth, and combustion is completed in a suspension state, so that combustion is more complete.
Suspension type hot blast stove usually lets in fuel from burning furnace upper portion, utilizes fuel fully to contact with the air when falling in the furnace, and then burns in the in-process that falls to realize the biggest combustion efficiency. However, because the falling height of the fuel is limited, the fuel can quickly fall to the furnace bottom under the action of gravity, so that the fuel is not completely combusted in the falling process, part of incompletely combusted fuel can be accumulated on the furnace bottom, and the more the accumulation, the incompletely combusted fuel can not be combusted again, thereby causing energy waste.
Disclosure of Invention
The invention provides a high-efficiency suspension type hot blast stove, which enables fuel to be in contact with air and fully combusted after entering a hearth, and improves the combustion efficiency of the fuel.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a floated hot-blast furnace of high efficiency, is including firing burning furnace, heat exchanger, cyclone dust pelletizing system, still includes horizontal tuber pipe and the inlet pipe of connection on the furnace body, and the air-out end of tuber pipe links to each other with the air intake on the furnace body that fires burning furnace, and the air inlet end of tuber pipe passes through homogenization device and links to each other with the wind regime, and homogenization device is used for adjusting the intake size of tuber pipe.
Furthermore, the homogenizing device comprises a homogenizing pipe, the air outlet end of the homogenizing pipe is connected with the air pipe, the air inlet end of the homogenizing pipe is connected with an air source, a homogenizing valve is arranged in the pipeline of the homogenizing pipe, and the homogenizing valve is driven by external force to rotate to open or close the homogenizing pipe.
Further, the homogenization valve comprises a valve plate, the peripheral outline of the valve plate is matched with the section outline of the homogenization pipe, a rotating shaft is arranged in the middle of the valve plate, and the rotating shaft penetrates through the homogenization pipe and forms relative rotation fit with the pipe wall of the homogenization pipe.
furthermore, one end of the rotating shaft extends out of the pipe wall of the homogenizing pipe and is externally tangent to the end part of the homogenizing pipe, the adjusting handle is perpendicular to the shaft core of the rotating shaft, a positioning screw rod parallel to the shaft core of the rotating shaft is in threaded connection with the free end of the adjusting handle, a positioning plate is arranged on the pipe wall of the homogenizing pipe corresponding to the adjusting handle, positioning holes which are uniformly arranged at intervals are arranged on the positioning plate corresponding to the movement track of the positioning screw rod, and the positioning screw rod and the positioning holes form positioning fit.
Furthermore, the length direction of the air pipe is consistent with the tangential direction of the furnace wall of the furnace body at the air inlet.
Furthermore, the air pipes comprise a first air pipe, a second air pipe, a third air pipe and a fourth air pipe, the first air pipe, the second air pipe, the third air pipe and the fourth air pipe are arranged at intervals from top to bottom in the vertical direction, and the feeding pipe is positioned between the first air pipe and the second air pipe in the height direction of the furnace body.
Furthermore, the connection positions of the first air pipe, the second air pipe and the third air pipe with the furnace body are arranged at intervals along the circumferential direction of the furnace body on a projection plane perpendicular to the axial direction of the furnace body.
Furthermore, the connecting position of the first air pipe and the furnace body and the connecting position of the fourth air pipe and the furnace body are parallel to the axis of the furnace body.
The beneficial effect of adopting above-mentioned technical scheme is:
1. The setting of the homogenizing device is convenient for adjusting the air inlet quantity of each air inlet pipe, so that each air inlet pipe keeps constant air pressure;
2. The positioning holes correspond to different adjusting holes, so that the size of an air channel in the homogenizing pipe is adjusted, and different air pressures in the air inlet pipe are adjusted.
Drawings
FIG. 1 is a schematic view of the construction of the homogenizing device according to the invention;
FIG. 2 is a schematic view of the internal structure of the homogenizing device according to the invention;
fig. 3 is a schematic diagram of the system of the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a floated hot-blast furnace of high efficiency, is including firing burning furnace, heat exchanger, cyclone dust pelletizing system, still includes horizontal tuber pipe 10 and the inlet pipe 30 of connection on furnace body 20, and the air-out end of tuber pipe 10 links to each other with the air intake on the furnace body 20 that fires burning furnace, and the air inlet end of tuber pipe 10 passes through homogenization device 50 and links to each other with the wind regime, and homogenization device 50 is used for adjusting the intake size of tuber pipe 10. The core of the present invention is to arrange a homogenizing device 50 between the air pipe 10 and the air source, and adjust the homogenizing device 50 to change the air intake of the air pipe 10, so as to ensure that a preset constant air pressure is introduced into the air pipe 10, and to ensure that the fuel is sufficiently combusted in the furnace body 20.
Further, the homogenizing device 50 comprises a homogenizing pipe 51, an air outlet end of the homogenizing pipe 51 is connected with the air pipe 10, an air inlet end of the homogenizing pipe 51 is connected with an air source, a homogenizing valve 52 is arranged in a pipeline of the homogenizing pipe 51, and the homogenizing valve 52 is driven by external force to rotate to open or close the homogenizing pipe 51. During specific implementation, the two ends of the homogenizing pipe 51 are both provided with connecting flanges, and the homogenizing pipe is connected with the air pipe 10 and the air source pipeline through the flanges, so that the connection is simple and convenient. The homogenizing valve 52 is used for adjusting the size of the opening of the homogenizing pipe 51, thereby adjusting the wind pressure of the air pipe 10.
Further, the homogenizing valve 52 comprises a valve plate 521, the outer peripheral profile of the valve plate 521 is matched with the cross-sectional profile of the homogenizing pipe 51, a rotating shaft 521 is arranged in the middle of the valve plate 521, and the rotating shaft 521 penetrates through the homogenizing pipe 51 and forms relative rotation fit with the pipe wall of the homogenizing pipe 51. One end of the rotating shaft 521 extends out of the pipe wall circumscribed end of the homogenizing pipe 51 and is connected with an adjusting handle 53, the adjusting handle 53 is perpendicular to the shaft core of the rotating shaft 521, a positioning screw 54 parallel to the shaft core of the rotating shaft 521 is connected to the free end of the adjusting handle 53 in a threaded manner, a positioning plate 55 is arranged on the pipe wall of the homogenizing pipe 51 corresponding to the adjusting handle 53, positioning holes 551 uniformly arranged at intervals are arranged on the positioning plate 55 corresponding to the movement track of the positioning screw 54, and the positioning screw 54 and the positioning holes 551 form positioning fit. During specific implementation, the air pressure required to be provided by the four air pipes can be measured according to actual requirements, then the adjusting handle 53 is rotated to enable the valve plate 521 to be located at a required position, and the positioning screw 54 is rotated to enable the positioning screw to be inserted into the corresponding positioning hole 551, so that the valve plate 521 is fixed, and adjustment is completed.
Further, the length direction of the air duct 10 is consistent with the tangential direction of the furnace wall of the furnace body 20 at the air inlet. The air pipe 10 and the furnace wall are arranged in a tangent line mode, so that air flow introduced from the air pipe 10 enters the hearth and then impacts the furnace wall to move downwards in a spiral mode, fuel enters the hearth from the feeding pipe 30 and then falls down in a suspension mode under the action of spiral air flow, the contact area of the fuel and air is large, the falling time of the fuel is long, and the fuel is guaranteed to be fully combusted before falling to the bottom of the furnace.
Further, the air pipes 10 include a first air pipe 11, a second air pipe 12, a third air pipe 13, and a fourth air pipe 14, the first air pipe 11, the second air pipe 12, the third air pipe 13, and the fourth air pipe 14 are arranged at intervals from top to bottom in the vertical direction, and the feeding pipe 30 is located between the first air pipe 11 and the second air pipe 12 in the height direction of the furnace body 20. Because the height of the furnace body 20 of the suspension type hot blast stove is higher, four air pipes are arranged and are arranged in the height direction of the furnace body 20, spiral air flows are arranged in a hearth of the furnace body 20 from top to bottom, and therefore it is guaranteed that fuel can always suspend and fall to the bottom of the furnace after falling from the top of the furnace body 20, and sufficient combustion is guaranteed.
Furthermore, the connection positions of the first air pipe 11, the second air pipe 12, the third air pipe 13 and the furnace body 20 are arranged at intervals along the circumferential direction of the furnace body 20 on a projection plane perpendicular to the axial direction of the furnace body 20. The three air pipes are arranged in different directions, so that the air flow enters from different directions, and the strength of the spiral air flow is increased.
Furthermore, the connecting position of the first air pipe 11 and the furnace body 20 and the connecting position of the fourth air pipe 14 and the furnace body 20 are parallel to the axis of the furnace body 20. The first air pipe 11 and the fourth air pipe 14 are positioned in the same vertical direction, and the height difference between the first air pipe 11 and the fourth air pipe 14 ensures that the fuel can still be suspended when the spiral air flow reaches the lower part of the furnace body 20.
The working principle of the invention is as follows: according to the working condition of the suspension type hot blast stove, the air pressure required to be provided by the first air pipe 11, the second air pipe 12, the third air pipe 13 and the fourth air pipe 14 is calculated, and therefore the position to which the homogenizing valve 52 needs to be adjusted is determined. The adjusting handle 53 is rotated to adjust the opening of the valve plate 521, and then the positioning screw 54 is rotated to be inserted into the corresponding positioning hole 551, so that the valve plate 521 is fixed at a specific position, specifically, in order to ensure that the air pressures of the first air pipe 11, the second air pipe 12, the third air pipe 13, and the fourth air pipe 14 are consistent, the openings of the four homogenizing valves 52 corresponding to the first air pipe 11, the second air pipe 12, the third air pipe 13, and the fourth air pipe 14 are sequentially reduced from top to bottom.
Claims (8)
1. The utility model provides a floated hot-blast furnace of high efficiency, is including firing burning furnace, heat exchanger, whirlwind dust pelletizing system, its characterized in that: the air-conditioning furnace further comprises a horizontally transverse air pipe (10) and a feeding pipe (30) connected to the furnace body (20), the air outlet end of the air pipe (10) is connected with an air inlet in the furnace body (20) of the combustion furnace, the air inlet end of the air pipe (10) is connected with an air source through a homogenizing device (50), and the homogenizing device (50) is used for adjusting the air inlet amount of the air pipe (10).
2. The high efficiency, suspension type hot blast stove of claim 1, wherein: the homogenizing device (50) comprises a homogenizing pipe (51), the air outlet end of the homogenizing pipe (51) is connected with the air pipe (10), the air inlet end of the homogenizing pipe (51) is connected with an air source, a homogenizing valve (52) is arranged in a pipeline of the homogenizing pipe (51), and the homogenizing pipe (51) is opened or closed by driving the homogenizing valve (52) to rotate by external force.
3. The high efficiency, levitation type hot blast stove as claimed in claim 2, wherein: the homogenizing valve (52) comprises a valve plate (521), the peripheral profile of the valve plate (521) is matched with the section profile of the homogenizing pipe (51), a rotating shaft (521) is arranged in the middle of the valve plate (521), and the rotating shaft (521) penetrates through the homogenizing pipe (51) and forms relative rotation fit with the pipe wall of the homogenizing pipe (51).
4. A high efficiency, suspension type hot blast stove according to claim 3, wherein: one end of the rotating shaft (521) extends out of the pipe wall of the homogenizing pipe (51) and is externally tangent to the end part, the adjusting handle (53) is connected with an adjusting handle (53), the adjusting handle (53) is perpendicular to the shaft core of the rotating shaft (521), a positioning screw rod (54) parallel to the shaft core of the rotating shaft (521) is in threaded connection with the free end of the adjusting handle (53), a positioning plate (55) is arranged on the pipe wall of the homogenizing pipe (51) corresponding to the adjusting handle (53), positioning holes (551) which are uniformly arranged at intervals are formed in the positioning plate (55) and correspond to the movement track of the positioning screw rod (54), and the positioning screw rod (54) and the positioning holes (551).
5. a high efficiency, suspension type hot blast stove according to claim 2, 3 or 4, wherein: the length direction of the air pipe (10) is consistent with the tangential direction of the furnace wall of the furnace body (20) at the air inlet.
6. A high efficiency, suspension type hot blast stove according to claim 2, 3 or 4, wherein: the air pipe (10) comprises a first air pipe (11), a second air pipe (12), a third air pipe (13) and a fourth air pipe (14), the first air pipe (11), the second air pipe (12), the third air pipe (13) and the fourth air pipe (14) are arranged at intervals from top to bottom in the vertical direction, and the feeding pipe (30) is located between the first air pipe (11) and the second air pipe (12) in the height direction of the furnace body (20).
7. The high efficiency, levitation type hot blast stove as claimed in claim 6, wherein: the connection positions of the first air pipe (11), the second air pipe (12), the third air pipe (13) and the furnace body (20) are arranged on a projection plane perpendicular to the axial direction of the furnace body (20) at intervals along the circumferential direction of the furnace body (20).
8. The high efficiency, levitation type hot blast stove as claimed in claim 7, wherein: and the connecting part of the first air pipe (11) and the furnace body (20) and the connecting part of the fourth air pipe (14) and the furnace body (20) are connected with each other by a connecting line which is parallel to the axis of the furnace body (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814358.0A CN110553396A (en) | 2019-09-02 | 2019-09-02 | High-efficiency suspension type hot blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910814358.0A CN110553396A (en) | 2019-09-02 | 2019-09-02 | High-efficiency suspension type hot blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110553396A true CN110553396A (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910814358.0A Pending CN110553396A (en) | 2019-09-02 | 2019-09-02 | High-efficiency suspension type hot blast stove |
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| CN (1) | CN110553396A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW381642U (en) * | 1998-10-09 | 2000-02-01 | Asli Mechanical Co Ltd | Hand wheel of the wind pipe |
| CN102305216A (en) * | 2011-09-06 | 2012-01-04 | 杭州日通风机有限公司 | Air-purification high-pressure air blower |
| CN203432037U (en) * | 2013-07-12 | 2014-02-12 | 皇家空调设备工程(广东)有限公司 | Mechanical constant air volume mechanism capable of being closed |
| CN106152118A (en) * | 2016-08-20 | 2016-11-23 | 郑州鼎力新能源技术有限公司 | A kind of novel controllable temperature vertical wood flour hot-air stove |
| CN107166728A (en) * | 2017-06-07 | 2017-09-15 | 安徽都灵精密机械有限公司 | A kind of disperse formula hearth of hot-blast stove bottom blowing apparatus of oxygen supply |
| CN207622278U (en) * | 2017-12-18 | 2018-07-17 | 东莞市天之佑节能设备科技有限公司 | A kind of hot-blast stove of controllable oxygen feed flow |
-
2019
- 2019-09-02 CN CN201910814358.0A patent/CN110553396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW381642U (en) * | 1998-10-09 | 2000-02-01 | Asli Mechanical Co Ltd | Hand wheel of the wind pipe |
| CN102305216A (en) * | 2011-09-06 | 2012-01-04 | 杭州日通风机有限公司 | Air-purification high-pressure air blower |
| CN203432037U (en) * | 2013-07-12 | 2014-02-12 | 皇家空调设备工程(广东)有限公司 | Mechanical constant air volume mechanism capable of being closed |
| CN106152118A (en) * | 2016-08-20 | 2016-11-23 | 郑州鼎力新能源技术有限公司 | A kind of novel controllable temperature vertical wood flour hot-air stove |
| CN107166728A (en) * | 2017-06-07 | 2017-09-15 | 安徽都灵精密机械有限公司 | A kind of disperse formula hearth of hot-blast stove bottom blowing apparatus of oxygen supply |
| CN207622278U (en) * | 2017-12-18 | 2018-07-17 | 东莞市天之佑节能设备科技有限公司 | A kind of hot-blast stove of controllable oxygen feed flow |
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