CN208282399U - Coil pipe multilayer furnace wall efficient energy-saving heating stove - Google Patents
Coil pipe multilayer furnace wall efficient energy-saving heating stove Download PDFInfo
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- CN208282399U CN208282399U CN201820818566.9U CN201820818566U CN208282399U CN 208282399 U CN208282399 U CN 208282399U CN 201820818566 U CN201820818566 U CN 201820818566U CN 208282399 U CN208282399 U CN 208282399U
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- furnace wall
- layer furnace
- coil pipe
- flue gas
- middle layer
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Abstract
A kind of coil pipe multilayer furnace wall efficient energy-saving heating stove.The multilayer furnace wall of efficient energy-saving heating stove includes internal layer furnace wall, middle layer furnace wall, outer layer furnace wall.Flue gas baffling block is set on furnace wall.Burner burns in innermost layer furnace wall generates high-temperature flue gas, and high-temperature flue gas rises in internal layer furnace wall, baffling after rising at the top of the furnace wall of middle layer, flue gas downlink and coil heat exchange between middle layer furnace wall and internal layer furnace wall after baffling；Downlink flue gas furnace wall bottom baffling in middle level, rises between outer layer furnace wall and middle layer furnace wall, and with coil heat exchange, flue gas rises to convection cell by outer layer furnace wall flue gas, through smoke stack emission in convection cell and after coil heat exchange.Heated medium is introduced into convection cell, and the coil pipe of spiral is entered after convection cell heat exchange.The utility model has multilayer furnace wall, can be improved the heat exchange area of furnace body, and then improve the thermic load of heating furnace, can also improve furnace sealing, reduces furnace body radiation loss；Heated coil is more uniform, and medium is not easy coking in coil pipe.
Description
Technical field
The utility model belongs to heating furnace technical field, is related to a kind of coil pipe multilayer furnace wall efficient energy-saving heating stove.
Background technique
Among petrochemical industry process, heating furnace is most basic, essential equipment.Heating furnace is petrochemical industry dress
Important heating equipment, huge energy consumption in setting.Furnace energy consumption is reduced, improving the thermal efficiency has important economic benefit and environmental protection
Benefit.Existing heating furnace radiation chamber coil pipe is directly washed away by flame mostly, leads to that heated coil is uneven, easy coking, serious to limit
Heating furnace continuous operating time processed shortens heating furnace service life, endangers heating furnace using safe.
The load of heat of heating furnace directly determines the working ability of petrochemical equipment, therefore, in the feelings of comparable size structure
Under condition, the thermic load for improving heating furnace is particularly important.According to current scientific technological advance status, with petrochemical industry heating furnace
Thermic load it is closely bound up be coil pipe heat exchange area.Heating furnace heat-transfer area can be improved in coil pipe multilayer furnace wall efficient energy-saving heating stove
Product obtains biggish thermic load with lesser occupied area.
Utility model content
The utility model is intended to overcome the shortage of prior art, and provides a kind of energy-efficient heating of spiral coil multilayer furnace wall
Furnace.The heating furnace good airproof performance, radiation loss is small, heat transfer efficiency is high, be heated evenly, is not easy that coking, occupied area be small, thermic load
High advantage.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of coil pipe multilayer furnace wall efficient energy-saving heating stove, including burner 1, multilayer furnace wall, coil pipe 5, convection cell 6, cigarette
Chimney 7.
The multilayer furnace wall is located at furnace interior, is arranged below convection cell 6, be followed successively by from the inside to the outside internal layer furnace wall 2,
Middle layer furnace wall 3, outer layer furnace wall 4, three layers of furnace wall are cylinder-shaped or rectangular；Flue gas baffling block is set on furnace wall；Internal layer furnace wall 2
Between middle layer furnace wall 3, coil pipe 5 is equipped between middle layer furnace wall 3 and outer layer furnace wall 4, for exchanging heat.
2 top opening of internal layer furnace wall, bottom is fixed on furnace bottom.3 top closure of middle layer furnace wall, bottom are logical
It crosses supporting element and is fixed on furnace bottom；Internal layer furnace wall 2 is located inside middle layer furnace wall 3, and there are spaces between the two top, for passing through height
Warm flue gas.4 top sealing structure of outer layer furnace wall, enclosuring structure are equipped with an opening, connect with the pipeline in convection cell 6
It is logical, for receiving the medium in convection cell 6；4 bottom of outer layer furnace wall is fixed on furnace bottom；Middle layer furnace wall 3 is located in outer layer furnace wall 4
Portion, there are space between the two top, furnace wall 3 bottom end in middle layer is communicated with the space between outer layer furnace wall 4.
The coil pipe 5 is helical structure, setting 5 top of coil pipe between furnace wall 3 and outer layer furnace wall 4 and convection current in middle level
Chamber interior piping connection, the part coil pipe 5 spiral downwards between outer layer furnace wall 4 and middle layer furnace wall 3, are screwed into close to after furnace bottom,
Radius of turn slowly becomes smaller, and the coil pipe 5 after radius of turn becomes smaller is upward along the space between internal layer furnace wall 2 and middle layer furnace wall 3
It spirals.It is threaded to enter concetrated pipe at the top of the furnace wall of middle layer.
The burner 1 is arranged in the energy-efficient heating furnace bottom of multilayer furnace wall, is connected to internal layer furnace wall 2, burner 1
Burning generates high-temperature flue gas in innermost layer furnace wall 2, and high-temperature flue gas rises in internal layer furnace wall 2, rises to 3 top of middle layer furnace wall
Baffling afterwards, high-temperature flue gas downlink and coil pipe 5 between middle layer furnace wall 3 and internal layer furnace wall 2 exchange heat after baffling；During downlink flue gas passes through
Layer 3 bottom space of furnace wall rises between outer layer furnace wall 4 and middle layer furnace wall 3, changes in uphill process with coil pipe 5 in furnace bottom baffling
Heat.Last flue gas rises to convection cell 6 by 4 flue gas of outer layer furnace wall, discharges in convection cell and after the heat exchange of coil pipe 5 through chimney 7.Quilt
Heat medium is introduced into convection cell 6, after the heat exchange of convection cell 6, into the coil pipe 5 of spiral.It is flow to furnace bottom along coil pipe 5, this process
In with flue gas adverse current exchange heat；Medium along coil pipe flow to furnace bottom after spiral coil between internal layer furnace wall and middle layer furnace wall to upstream
It is dynamic, furnace body is exported after flowing to top concetrated pipe.
The utility model has the following beneficial effects: greatly improving furnace body since the utility model has multilayer furnace wall
Leakproofness keeps furnace body operation more stable.Multilayer furnace wall can reduce the radiation loss of furnace body.Since coil pipe is not rushed by flame directly
Brush, heated coil is more uniform, and medium is not easy coking in coil pipe.Multilayer coil pipe in furnace body substantially increases the heat-transfer surface of furnace body
Product, improves the thermic load of heating furnace.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is the three-dimensional figure of the utility model coil pipe；
Fig. 3 is the three dimensional sectional view of the utility model；
In figure: 1 burner；2 internal layer furnace walls；3 middle layer furnace walls；4 outer layer furnace walls；5 coil pipes；6 convection cells；7 chimneys.
Specific embodiment
Below in conjunction with technical solution and attached drawing, in detail narration specific embodiment of the utility model.
A kind of coil pipe multilayer furnace wall efficient energy-saving heating stove, including burner 1, multilayer furnace wall, coil pipe 5, convection cell 6, cigarette
Chimney 7.
The multilayer furnace wall is located at furnace interior, is arranged below convection cell 6, be followed successively by from the inside to the outside internal layer furnace wall 2,
Middle layer furnace wall 3, outer layer furnace wall 4, three layers of furnace wall are cylindrical shape, and three is concentric in arbitrary cross section；Internal layer furnace wall 2 and middle layer furnace
Between wall 3, coil pipe 5 is equipped between middle layer furnace wall 3 and outer layer furnace wall 4, for exchanging heat.
2 top opening of internal layer furnace wall, bottom is fixed on furnace bottom.3 top closure of middle layer furnace wall, bottom are logical
It crosses supporting element and is fixed on furnace bottom；Internal layer furnace wall 2 is located inside middle layer furnace wall 3, and there are spaces between the two top, for passing through height
Warm flue gas.4 top sealing structure of outer layer furnace wall, enclosuring structure are equipped with an opening, connect with the pipeline in convection cell 6
It is logical, for receiving the medium in convection cell 6；4 bottom of outer layer furnace wall is fixed on furnace bottom；Middle layer furnace wall 3 is located in outer layer furnace wall 4
Portion, there are space between the two top, furnace wall 3 bottom end in middle layer is communicated with the space between outer layer furnace wall 4.
The coil pipe 5 is helical structure, setting 5 top of coil pipe between furnace wall 3 and outer layer furnace wall 4 and convection current in middle level
Chamber interior piping connection, the part coil pipe 5 spiral downwards between outer layer furnace wall 4 and middle layer furnace wall 3, are screwed into close to after furnace bottom,
Radius of turn slowly becomes smaller, and the coil pipe 5 after radius of turn becomes smaller is upward along the space between internal layer furnace wall 2 and middle layer furnace wall 3
It spirals.It is threaded to enter concetrated pipe at the top of the furnace wall of middle layer.
The burner 1 is arranged in the energy-efficient heating furnace bottom of multilayer furnace wall, is connected to internal layer furnace wall 2, burner 1
Burning generates high-temperature flue gas in innermost layer furnace wall 2, and high-temperature flue gas rises in internal layer furnace wall 2, rises to 3 top of middle layer furnace wall
Baffling afterwards, high-temperature flue gas downlink and coil pipe 5 between middle layer furnace wall 3 and internal layer furnace wall 2 exchange heat after baffling；During downlink flue gas passes through
Layer 3 bottom space of furnace wall rises between outer layer furnace wall 4 and middle layer furnace wall 3, changes in uphill process with coil pipe 5 in furnace bottom baffling
Heat.Last flue gas rises to convection cell 6 by 4 flue gas of outer layer furnace wall, discharges in convection cell and after the heat exchange of coil pipe 5 through chimney 7.Quilt
Heat medium is introduced into convection cell 6, after the heat exchange of convection cell 6, into the coil pipe 5 of spiral.It is flow to furnace bottom along coil pipe 5, this process
In with flue gas adverse current exchange heat；Medium along coil pipe flow to furnace bottom after spiral coil between internal layer furnace wall and middle layer furnace wall to upstream
It is dynamic, furnace body is exported after flowing to top concetrated pipe.
The above-mentioned embodiments merely express the embodiments of the present invention, and but it cannot be understood as to this reality
With the limitation of the range of new patent, it is noted that for those skilled in the art, do not departing from the utility model structure
Under the premise of think of, various modifications and improvements can be made, these belong to the protection scope of the utility model.
Claims (1)
1. a kind of coil pipe multilayer furnace wall efficient energy-saving heating stove, which is characterized in that the coil pipe multilayer furnace wall is energy-efficient to be added
Hot stove includes burner (1), multilayer furnace wall, coil pipe (5), convection cell (6), chimney (7)；
The multilayer furnace wall is located at furnace interior, multilayer furnace wall be followed successively by from the inside to the outside internal layer furnace wall (2), middle layer furnace wall (3),
Outer layer furnace wall (4), three layers of furnace wall are cylinder-shaped or rectangular；Flue gas baffling block is set on furnace wall；Internal layer furnace wall (2) and middle layer
Coil pipe (5) are equipped between furnace wall (3), between middle layer furnace wall (3) and outer layer furnace wall (4), for exchanging heat；
Described internal layer furnace wall (2) top opening, bottom is fixed on furnace bottom；Described middle layer furnace wall (3) top closure, bottom are logical
It crosses supporting element and is fixed on furnace bottom；Internal layer furnace wall (2) is located inside middle layer furnace wall (3), and there are spaces between the two top, for leading to
Cross high-temperature flue gas；It is enclosuring structure at the top of the outer layer furnace wall (4), enclosuring structure is equipped with an opening, for receiving convection current
Medium in room (6)；Outer layer furnace wall (4) bottom is fixed on furnace bottom；Middle layer furnace wall (3) is located at outer layer furnace wall (4) inside, the two top
There are space between end, the space between middle layer furnace wall (3) bottom end and outer layer furnace wall (4) is communicated；
The coil pipe (5) is helical structure, setting in middle level at the top of coil pipe (5) between furnace wall (3) and outer layer furnace wall (4) and
The connection of convection cell (6) internal duct, the part coil pipe (5) spiral downwards between outer layer furnace wall (4) and middle layer furnace wall (3), revolve
To close to after furnace bottom, radius of turn slowly becomes smaller, radius of turn become smaller after coil pipe (5) along internal layer furnace wall (2) and middle layer furnace
It spirals upwards in space between wall (3)；It is threaded to enter concetrated pipe at the top of middle layer furnace wall (3)；
The burner (1) is arranged in the energy-efficient heating furnace bottom of multilayer furnace wall, is connected to internal layer furnace wall (2), burner
(1) burning generates high-temperature flue gas in innermost layer furnace wall (2), and high-temperature flue gas rises in internal layer furnace wall (2), rises to middle layer furnace
Baffling after at the top of wall (3), high-temperature flue gas downlink between middle layer furnace wall (3) and internal layer furnace wall (2) is changed with coil pipe (5) after baffling
Heat；Downlink flue gas by middle layer furnace wall (3) bottom space in furnace bottom baffling, between outer layer furnace wall (4) and middle layer furnace wall (3) on
It rises, exchanges heat in uphill process with coil pipe (5)；Last flue gas rises to convection cell (6) by outer layer furnace wall (4) flue gas, in convection cell
It is discharged after interior and coil pipe (5) heat exchange through chimney (7)；Heated medium is introduced into convection cell (6), after convection cell (6) heat exchange, into
Enter the coil pipe (5) of spiral；It is flow to furnace bottom along coil pipe (5), this exchanges heat with flue gas adverse current in the process；After medium flow to furnace bottom along coil pipe
Spiral coil between internal layer furnace wall and middle layer furnace wall flows up, and exports furnace body after flowing to top concetrated pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820818566.9U CN208282399U (en) | 2018-05-26 | 2018-05-26 | Coil pipe multilayer furnace wall efficient energy-saving heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820818566.9U CN208282399U (en) | 2018-05-26 | 2018-05-26 | Coil pipe multilayer furnace wall efficient energy-saving heating stove |
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| Publication Number | Publication Date |
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| CN208282399U true CN208282399U (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820818566.9U Active CN208282399U (en) | 2018-05-26 | 2018-05-26 | Coil pipe multilayer furnace wall efficient energy-saving heating stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626883A (en) * | 2018-05-26 | 2018-10-09 | 大庆华凯石油化工设计工程有限公司 | Coil pipe multilayer furnace wall efficient energy-saving heating stove |
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2018
- 2018-05-26 CN CN201820818566.9U patent/CN208282399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626883A (en) * | 2018-05-26 | 2018-10-09 | 大庆华凯石油化工设计工程有限公司 | Coil pipe multilayer furnace wall efficient energy-saving heating stove |
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