CN206861496U - A kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler - Google Patents
A kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler Download PDFInfo
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- CN206861496U CN206861496U CN201720719221.3U CN201720719221U CN206861496U CN 206861496 U CN206861496 U CN 206861496U CN 201720719221 U CN201720719221 U CN 201720719221U CN 206861496 U CN206861496 U CN 206861496U
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Abstract
The utility model discloses a kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler, including boiler body, described boiler body one end is provided with front smoke box body and burner, corrugated internal furnace and return combustion chamber are provided with the boiler body, the import of the corrugated internal furnace connects with burner, outlet and the inlet communication of return combustion chamber, the entrance that the outlet of the return combustion chamber becomes smoke pipe tube bank in space with 3 D deformation communicates, the outlet that the 3 D deformation becomes the tube bank of space smoke pipe connects with front smoke box body, the other end of the boiler body is provided with the sight burner connected with return combustion chamber, the sight burner is provided with explosion-protection equipment.The utility model becomes space smoke pipe using 3 D deformation and is used as convection heating surface, the shortcomings that overcoming common smoke pipe heat transfer property difference, makes boiler structure compacter, and the boiler of identical capacity can reduce flue gas backhaul number or tube bank quantity, reduction production cost;Also under conditions of identical flue gas backhaul number or tube bank quantity is ensured, increase boiler capacity, save cost of transportation.
Description
Technical field
It the utility model is related to boiler plant field, and in particular to a kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell pot
Stove.
Background technology
In recent years with resource structures adjustment and environmental pollution states it is serious, coal-burning boiler is substituted by oil-burning gas-fired boiler
Trend highlight further, but traditional horizontal burning oil fuel gas boiler maximum capacity only 20t/h~25t/h, and the combustion of larger capacity
Oily gas fired-boiler volume is excessive, beyond transportation clearance, increases transport difficult so that transportation radius is restricted greatly, is also increased in addition
Add manufacture difficult, and conventional fuel oil gas fired-boiler smoke pipe is longer, restrains easy induced vibration.
Utility model content
Technical problem to be solved in the utility model is to be directed to heat exchange efficiency present in existing oil-burning gas-fired boiler not
The high, technical problem that capacity is smaller, volume is excessive, proposes a kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler, reaches
The technique effect that production cost is low, operation energy consumption is small, compact-sized, heat exchange efficiency is high.
The utility model is achieved through the following technical solutions:
A kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler, including boiler body, described boiler body one end are set
There are front smoke box body and burner, corrugated internal furnace and return combustion chamber, the import and combustion of the corrugated internal furnace are provided with the boiler body
Burner connects, the inlet communication of outlet and return combustion chamber, and outlet and the 3 D deformation of the return combustion chamber become entering for space smoke pipe tube bank
Mouth is communicated, and the outlet that the 3 D deformation becomes the tube bank of space smoke pipe is connected with front smoke box body, and the other end of the boiler body is set
There is the sight burner connected with return combustion chamber, the sight burner is provided with explosion-protection equipment.
Further, the 3 D deformation becomes the tube bank of space smoke pipe and formed by more 3 D deformations change space smoke pipes stackings,
The 3 D deformation, which becomes space smoke pipe, includes the circular straighttube section at middle distortion pipeline section and both ends, and the distortion pipeline section is by length
Axle forms than the elliptical tube 0.4~1.0 through helically twisted, and the bore for distorting pipeline section is gradually reduced along flue gas circulating direction,
The 3 D deformation becomes the tube bank of space smoke pipe and realizes self-supporting by the point contact of elliptical tube major axis.
Further, the 3 D deformation change space smoke pipe tube bank can be by triangle or arranged in squares on corrugated internal furnace
Side.
Further, the explosion-protection equipment includes explosion-proof plate washer and spring, when corrugated internal furnace internal pressure exceedes setting value, prevents
Quick-fried baffle plate is by compression spring pressure release, and after in corrugated internal furnace pressure recovery to setting value, burst panel is by under the elastic force of spring
Return to original position.
Further, the boiler body includes front tube sheet, shell cylinder and back tube sheet, and the shell cylinder passes through
Brace is connected with front tube sheet and back tube sheet, be additionally provided with above boiler body be sequentially communicated turn smoke-box, energy-saving appliance and condensation
Device, the smoke-box that turns connect with the front smoke box body, and high-temperature flue gas enters via front smoke box body turns smoke-box, energy-saving appliance and condenser
After discharge;
The return combustion chamber includes interior front tube sheet and interior back tube sheet, and the interior front tube sheet bottom is connected with corrugated internal furnace, top
Become the tube bank connection of space smoke pipe with 3 D deformation, the interior back tube sheet is connected with back tube sheet by Drag link.
The utility model has the advantages that:The 3 D deformation for employing augmentation of heat transfer becomes space smoke pipe as convection heating surface,
Its heat transfer property is better than general smoke pipe, the shortcomings that overcoming the common smoke pipe heat transfer property difference including threaded flue, makes boiler
Structure is compacter, and the boiler of identical capacity can reduce flue gas backhaul number or tube bank quantity, can so save steel, reduce life
Produce cost;Also boiler capacity can be increased under conditions of identical flue gas backhaul number or tube bank quantity is ensured, save transport into
This.
Brief description of the drawings
Fig. 1 faces diagrammatic cross-section to be of the present utility model;
Fig. 2 is that 3 D deformation of the present utility model becomes the left view schematic diagram that space smoke pipe uses rounded projections arranged mode;
Fig. 3 is that 3 D deformation of the present utility model becomes the left view schematic diagram that space smoke pipe uses square arrangement mode;
Fig. 4 is that the right side of the present utility model regards schematic diagram;
Fig. 5 is the structural representation that 3 D deformation becomes space smoke pipe;
Reference is respectively in figure:1st, front tube sheet;2nd, shell cylinder;3rd, smoke-box is turned;4th, energy-saving appliance;5th, condenser;6、
Safety valve;7th, steam valve;8th, interior front tube sheet;9th, return combustion chamber;10th, brace;11st, interior back tube sheet;12nd, Drag link;13rd, explosion-proof dress
Put;14th, back tube sheet;15th, sewage draining exit;16th, corrugated internal furnace;17th, 3 D deformation becomes space smoke pipe beam;18th, front smoke box body.
Embodiment
Embodiment
Such as Fig. 1 to Fig. 5, a kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler, including boiler body, the boiler
Body one end is provided with front smoke box body 18 and burner, and corrugated internal furnace 16 and return combustion chamber 9, the ripple are provided with the boiler body
The import of flue 16 connects with burner, the inlet communication of outlet and return combustion chamber 9, the outlet of the return combustion chamber 9 and 3 D deformation
The entrance for becoming space smoke pipe tube bank 17 communicates, and the outlet that the 3 D deformation becomes space smoke pipe tube bank 17 connects with front smoke box body 18
Logical, the other end of the boiler body is provided with the sight burner connected with return combustion chamber 9, and the sight burner is provided with explosion-protection equipment 13.
Wherein, the 3 D deformation becomes space smoke pipe tube bank 17 and formed by more 3 D deformations change space smoke pipes stackings, institute
State 3 D deformation and become circular straighttube section of the space smoke pipe including middle distortion pipeline section and both ends, the distortion pipeline section is by major and minor axis
Formed than the elliptical tube 0.4~1.0 through helically twisted, and the bore for distorting pipeline section is gradually reduced along flue gas circulating direction, institute
State 3 D deformation change space smoke pipe tube bank 17 and self-supporting is realized by the point contact of elliptical tube major axis.
The 3 D deformation becomes space smoke pipe tube bank 17 can be by triangle or arranged in squares above corrugated internal furnace 16.
The explosion-protection equipment 13 includes explosion-proof plate washer and spring, when the internal pressure of corrugated internal furnace 16 exceedes setting value, explosion-proof gear
Plate is by compression spring pressure release, after in the pressure recovery of corrugated internal furnace 16 to setting value, burst panel by the elastic force of spring next time
To original position.
The boiler body includes front tube sheet 1, shell cylinder 2 and back tube sheet 14, and the shell cylinder 2 passes through oblique pull
Bar 10 is connected with front tube sheet 1 and back tube sheet 14, be additionally provided with above boiler body be sequentially communicated turn smoke-box 3, energy-saving appliance 4 and cold
Condenser 5, the smoke-box 3 that turns connect with the front smoke box body 18, and high-temperature flue gas enters via front smoke box body 18 turns smoke-box 3, energy-conservation
Discharged after device 4 and condenser 5;
The return combustion chamber 9 includes interior front tube sheet 8 and interior back tube sheet 11, and the interior bottom of front tube sheet 8 connects with corrugated internal furnace 16
Connect, top and 3 D deformation become the connection of space smoke pipe tube bank 17, and the interior back tube sheet 11 is connected with back tube sheet 14 by Drag link 12
Connect.
High-temperature flue gas concentrates on the heat transfer of inner tube smoke and tube wall to the exhausted big thermal resistance for the whole diabatic process for managing outer hot water
Process.3 D deformation becomes space pipe and forms spiral flow channel along pipe range direction, flue gas is produced in Bottomhole pressure to rotate to be
The Complex Flows of principal character, and produce Secondary Flow on main flow direction in pipe and promote heat exchange;Flue gas is in centrifugal force
Periodic variation flow velocity and flow direction under effect, the turbulent extent of flue gas itself is strengthened, help to destroy on tube wall
Thermal boundary layer, so as to reach the purpose of augmentation of heat transfer.Gas stream in the stove even tissue, the volume of backflow is inhaled due to high-speed flame and made
With temperature field in furnace is uniform, and reduces flame temperature, can effectively suppress the generation of oxynitrides, helps to reduce cigarette
Gas discharge pollution to caused by air.
The 3 D deformation change space pipe is larger in smoke inlet section bore, along pipe range direction bore with flue-gas temperature
Reduction is gradually reduced, and so considers that flue gas volume variation with temperature can ensure the stable flow velocity of flue gas, the biography of heat transfer process
Hot coefficient is basically unchanged, and contributes to augmentation of heat transfer.3 D deformation, which becomes space pipe, has a good effect of heat exchange, low obvious of flow resistance
Advantage, for flue gas when 3 D deformation becomes in the pipe of space and flowed, flow resistance is smaller, effectively reduces boiler flue gas resistance, reduces
The power consumption of air blower, while can also reduce burner and overcome the requirement pressed, so flowing velocity can be improved rationally, along with cigarette
Gas washes away tube wall in the spiral of pipe periodically, can effectively reduce deposition of the dirt on tube wall.3 D deformation becomes space smoke pipe
Formed by round tube rolling, both ends are maintained as pipe in order to be assembled with tube sheet, and 3 D deformation becomes space heat exchanger tube and assembled
Point contact of the middle adjacent pipe at outer major axis can realize the mutual support between heat exchanger tube, with common heat exchanger tube or screw thread cigarette
Pipe is compared, and tube sheet support can be also saved when heat exchanger tube is longer, and adjacent three-dimensional deformation forms holey knot between becoming space heat exchanger tube
Structure so that heat exchanger tube arrangement is more compact, saves drum space.Adjacent three-dimensional deformation becomes periodic major axis between the smoke pipe of space
The point contact at place shortens the span between heat exchanger tube, mutually supports more firm between heat-exchanging tube bundle, is not easy by flow of flue gas
Caused vibration wave causes resonance, so as to the destruction for avoiding tube bundle vibration from bringing, extension device service life, reduce maintenance into
This.3 D deformation used become space pipe outer perimeter and roll used in basic circle pipe outer perimeter it is equal, major and minor axis can be according to being actually needed
Processing, the short major axis ratio that 3 D deformation used becomes space pipe can adjust between 0.4~1.0.Moment of torsion S is shorter, and short major axis ratio is got over
Small, the effect that 3 D deformation becomes space smoke pipe enhanced heat exchange is better.
See burner to be combined into one with explosion-protection equipment 13, both save space reduction production cost, and can plays the peace to boiler
Full protection acts on.In the case of normal safe operation, the spring at explosion-protection equipment 13 is in former long, increased pressure situation in flue
Under, burst panel is by compression spring pressure release, and after flue pressure stability, spring extends long to original, and can so see fiery and can has
Effect prevents ignition of the boiler or abnormal combustion to be likely to occur increased pressure in flue and damage boiler, so as to play the work of protection boiler
With.
The interior back tube sheet 11 of the boiler is all submerged in hot water, and affiliated boiler is full wetting back-type smaller hard flour pancake boiler, is kept away
Exempted from dry back of the body formula smaller hard flour pancake boiler due to corrugated internal furnace 16 export high-temperature flue gas directly and back tube sheet 14 heat exchange and wash away
The problem of causing back tube sheet 14 to damage and causing boiler frequent shutdown to repair.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment simultaneously is not used to limit
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model, it is intended to be limited solely by this case
In the scope of the claims.
Claims (5)
1. a kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler, including boiler body, described boiler body one end are provided with
Front smoke box body (18) and burner, the boiler body is interior to be provided with corrugated internal furnace (16) and return combustion chamber (9), the corrugated internal furnace
(16) import connects with burner, the inlet communication of outlet and return combustion chamber (9), it is characterised in that return combustion chamber (9) go out
The entrance that mouth becomes space smoke pipe tube bank (17) with 3 D deformation communicates, and the 3 D deformation becomes the outlet of space smoke pipe tube bank (17)
Connected with front smoke box body (18), the other end of the boiler body is provided with the sight burner connected with return combustion chamber (9), the sight burner
Provided with explosion-protection equipment (13).
2. novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler according to claim 1, it is characterised in that the three-dimensional
Deformation becomes space smoke pipe tube bank (17) and formed by more 3 D deformations change space smoke pipes stackings, and the 3 D deformation becomes space smoke pipe
Including the distortion pipeline section of centre and the circular straighttube section at both ends, the distortion pipeline section is by elliptical tube of the axial ratio 0.4~1.0
Formed through helically twisted, and the bore for distorting pipeline section is gradually reduced along flue gas circulating direction, the 3 D deformation becomes space smoke pipe
Tube bank (17) realizes self-supporting by the point contact of elliptical tube major axis.
3. novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler according to claim 2, it is characterised in that the three-dimensional
Deformation becomes space smoke pipe tube bank (17) can be by triangle or arranged in squares above corrugated internal furnace (16).
4. novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler according to claim 1, it is characterised in that described explosion-proof
Device (13) includes explosion-proof plate washer and spring, and when corrugated internal furnace (16) internal pressure exceedes setting value, burst panel is by compression spring
Pressure release, after in corrugated internal furnace (16) pressure recovery to setting value, burst panel will return to original position under the elastic force of spring.
5. novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler according to claim 3, it is characterised in that the boiler
Body includes front tube sheet (1), shell cylinder (2) and back tube sheet (14), the shell cylinder (2) by brace (10) with
Front tube sheet (1) is connected with back tube sheet (14), be additionally provided with above boiler body be sequentially communicated turn smoke-box (3), energy-saving appliance (4) and
Condenser (5), the smoke-box (3) that turns are connected with the front smoke box body (18), and high-temperature flue gas enters via front smoke box body (18) to be turned
Smoke-box (3), energy-saving appliance (4) and condenser (5) are discharged afterwards;
The return combustion chamber (9) includes interior front tube sheet (8) and interior back tube sheet (11), interior front tube sheet (8) bottom and corrugated internal furnace
(16) connect, top and 3 D deformation become space smoke pipe tube bank (17) connection, and the interior back tube sheet (11) is logical with back tube sheet (14)
Cross Drag link (12) connection.
Priority Applications (1)
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CN201720719221.3U CN206861496U (en) | 2017-06-20 | 2017-06-20 | A kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler |
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CN201720719221.3U CN206861496U (en) | 2017-06-20 | 2017-06-20 | A kind of novel horizontal fuel-firing gas-firing energy-saving environmental protection shell boiler |
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CN206861496U true CN206861496U (en) | 2018-01-09 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117450493A (en) * | 2023-12-13 | 2024-01-26 | 武汉船舶职业技术学院 | Marine boiler with explosion-proof protection |
-
2017
- 2017-06-20 CN CN201720719221.3U patent/CN206861496U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117450493A (en) * | 2023-12-13 | 2024-01-26 | 武汉船舶职业技术学院 | Marine boiler with explosion-proof protection |
CN117450493B (en) * | 2023-12-13 | 2024-05-03 | 武汉船舶职业技术学院 | Marine boiler with explosion-proof protection |
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