CN208205811U - A kind of multilayer furnace wall efficient energy-saving heating stove - Google Patents
A kind of multilayer furnace wall efficient energy-saving heating stove Download PDFInfo
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- CN208205811U CN208205811U CN201820807494.8U CN201820807494U CN208205811U CN 208205811 U CN208205811 U CN 208205811U CN 201820807494 U CN201820807494 U CN 201820807494U CN 208205811 U CN208205811 U CN 208205811U
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- furnace wall
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Abstract
A kind of multilayer furnace wall efficient energy-saving heating stove, including burner, multilayer furnace wall, coil pipe, convection cell, furnace wall, chimney.Burner generates 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, rises to after convection cell and coil heat exchange through smoke stack emission.Heated medium flow to furnace bottom along coil pipe after convection cell heat exchange, this exchanges heat with flue gas adverse current in the process；Medium along coil pipe flow to furnace bottom after coil pipe between internal layer furnace wall and middle layer furnace wall flow up, export furnace body after flowing to top concetrated pipe.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 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 boiler tube is directly washed away by flame mostly, leads to that boiler tube uneven heating is even, 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 boiler tube heat exchange area.Coil pipe convection cell coil pipe multilayer furnace wall efficient energy-saving heating stove, which can be improved, to be added
Hot stove heat transfer area obtains biggish thermic load with lesser occupied area.
Utility model content
The utility model is intended to overcome the shortage of prior art, and it is efficient to provide a kind of spiral coil convection cell coil pipe multilayer furnace wall
Energy-saving heating furnace.The heating furnace good airproof performance, radiation loss is small, heat transfer efficiency is high, be heated evenly, is not easy coking, occupied area
Advantage small, thermic load is high.
In order to achieve the above object, the technical solution of the utility model are as follows:
A kind of multilayer furnace wall efficient energy-saving heating stove, including burner 1, multilayer furnace wall, coil pipe 5, convection cell 6, furnace wall 7,
Chimney 8.
The multilayer furnace wall is arranged below convection cell 6, is located at furnace interior.In multilayer furnace wall is followed successively by from the inside to the outside
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；
Between internal layer furnace wall 2 and 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 is equipped with an opening, for passing through the disk in convection cell 6
Pipe 5；4 bottom of outer layer furnace wall is fixed on furnace bottom；Middle layer furnace wall 3 is located inside outer layer furnace wall 4, 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.
It is equipped with furnace wall 7 inside the convection cell 6, is equipped with coil pipe 5 outside furnace wall 7,7 top of furnace wall is divided into cylindrical shape, under
Part is cone, is extended in outer layer furnace wall 4 under cone, can make flue gas more evenly by convection cell 6 and in convection cell 6
Coil pipe 5 exchanges heat.
Coil pipe 5 in the convection cell 6 spirals downwards along 6 inner furnace wall 7 of convection cell, rotates outer diameter in 6 lower end of convection cell
It spirals downwards between outer layer furnace wall 4 and middle layer furnace wall 3 after slowly becoming larger.After being screwed into furnace bottom, radius of turn slowly becomes smaller, rotation
Boiler tube after radius becomes smaller spirals upwards along the space between internal layer furnace wall 2 and middle layer furnace wall 3.Be threaded at the top of middle layer furnace wall into
Enter concetrated pipe.
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.Flue gas rises to convection cell 6 and discharges in convection cell and after the heat exchange of coil pipe 5 through chimney 8.Heated 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 exchanges heat with flue gas adverse current in the process；Medium
Along coil pipe flow to furnace bottom after spiral coil between internal layer furnace wall and middle layer furnace wall flow up, led after flowing to top concetrated pipe
Furnace body out.
The utility model has the following beneficial effects: greatly improving the sealing of furnace body since this equipment has multilayer furnace wall
Property, keep furnace body operation more stable.Multilayer furnace wall can reduce the radiation loss of furnace body.Since boiler tube is not directly by flame impingement,
Boiler tube is uniformly heated, and medium is not easy coking in boiler tube.Multilayer coil pipe in furnace body substantially increases the heat exchange area of furnace body,
Improve 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 3-D 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；On the inside of 7 convection cells
Furnace wall；8 chimneys.
Specific embodiment
Below in conjunction with technical solution and attached drawing, in detail narration specific embodiment of the utility model.
A kind of multilayer furnace wall efficient energy-saving heating stove, including burner 1, multilayer furnace wall, coil pipe 5, convection cell 6, furnace wall 7,
Chimney 8.
The multilayer furnace wall is arranged below convection cell 6, is located at furnace interior.In multilayer furnace wall is followed successively by from the inside to the outside
Layer furnace wall 2, middle layer furnace wall 3, outer layer furnace wall 4, three layers of furnace wall are cylindrical shape or rectangular, and three is concentric in arbitrary cross section；It is interior
Between layer furnace wall 2 and 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 is equipped with an opening, for passing through the disk in convection cell 6
Pipe 5；4 bottom of outer layer furnace wall is fixed on furnace bottom；Middle layer furnace wall 3 is located inside outer layer furnace wall 4, 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.
It is equipped with furnace wall 7 inside the convection cell 6, is equipped with coil pipe 5 outside furnace wall 7,7 top of furnace wall is divided into cylindrical shape, under
Part is cone, is extended in outer layer furnace wall 4 under cone, can make flue gas more evenly by convection cell 6 and in convection cell 6
Coil pipe 5 exchanges heat.
Coil pipe 5 in the convection cell 6 spirals downwards along 6 inner furnace wall 7 of convection cell, rotates outer diameter in 6 lower end of convection cell
It spirals downwards between outer layer furnace wall 4 and middle layer furnace wall 3 after slowly becoming larger.After being screwed into furnace bottom, radius of turn slowly becomes smaller, rotation
Boiler tube after radius becomes smaller spirals upwards along the space between internal layer furnace wall 2 and middle layer furnace wall 3.Be threaded at the top of middle layer furnace wall into
Enter concetrated pipe.
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.Flue gas rises to convection cell 6 and discharges in convection cell and after the heat exchange of coil pipe 5 through chimney 8.Heated 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 exchanges heat with flue gas adverse current in the process；Medium
Along coil pipe flow to furnace bottom after spiral coil between internal layer furnace wall and middle layer furnace wall flow up, led after flowing to top concetrated pipe
Furnace body out.
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 multilayer furnace wall efficient energy-saving heating stove, which is characterized in that the multilayer furnace wall efficient energy-saving heating stove includes
Burner (1), multilayer furnace wall, coil pipe (5), convection cell (6), furnace wall (7), chimney (8)；
The multilayer furnace wall setting is located at furnace interior below convection cell (6)；Multilayer furnace wall is followed successively by internal layer from the inside to the outside
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 is arranged on furnace wall to keep off
Block；Coil pipe (5) are equipped between internal layer furnace wall (2) and middle layer furnace wall (3), between middle layer furnace wall (3) and outer layer furnace wall (4), are used for
Heat exchange；
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；Described outer layer furnace wall (4) top sealing structure, enclosuring structure is equipped with an opening, for passing through convection cell
(6) coil pipe (5) in；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
There are space between top, furnace wall (3) bottom end in middle layer is communicated with outer layer furnace wall (4)；
Furnace wall (7) are equipped with inside the convection cell (6), are equipped with coil pipe (5) outside furnace wall (7), furnace wall (7) top is divided into cylinder
Shape, lower part are divided into cone, are extended in outer layer furnace wall (4) under cone, and flue gas is made uniformly to pass through convection cell (6) and and convection cell
(6) coil pipe (5) heat exchange in；
Coil pipe (5) in the convection cell (6) spirals downwards along convection cell (6) inner furnace wall (7), revolves in convection cell (6) lower end
Turn to spiral downwards between outer layer furnace wall (4) and middle layer furnace wall (3) after outer diameter slowly becomes larger；After being screwed into furnace bottom, radius of turn is slow
Slowly become smaller, the boiler tube after radius of turn becomes smaller spirals upwards along the space between internal layer furnace wall (2) and middle layer furnace wall (3)；Rotation
Enter concetrated pipe at the top of to middle layer furnace wall；
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)；Flue gas rises to convection cell (6) in convection cell and after coil pipe (5) heat exchange through chimney
(8) it discharges；Heated medium is introduced into convection cell (6), after convection cell (6) heat exchange, into the coil pipe (5) of spiral；Along coil pipe
(5) it is flow to furnace bottom, this exchanges heat with flue gas adverse current in the process；Medium along coil pipe flow to furnace bottom after along internal layer furnace wall and middle layer furnace wall it
Between spiral coil flow up, flow to top concetrated pipe after export furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807494.8U CN208205811U (en) | 2018-05-26 | 2018-05-26 | A kind of multilayer furnace wall efficient energy-saving heating stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820807494.8U CN208205811U (en) | 2018-05-26 | 2018-05-26 | A kind of multilayer furnace wall efficient energy-saving heating stove |
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| CN208205811U true CN208205811U (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469181A (en) * | 2018-05-26 | 2018-08-31 | 大庆华凯石油化工设计工程有限公司 | A kind of multilayer furnace wall efficient energy-saving heating stove |
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2018
- 2018-05-26 CN CN201820807494.8U patent/CN208205811U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469181A (en) * | 2018-05-26 | 2018-08-31 | 大庆华凯石油化工设计工程有限公司 | A kind of multilayer furnace wall efficient energy-saving heating stove |
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