CN204739561U - Four return stroke fuel gas steam boiler - Google Patents
Four return stroke fuel gas steam boiler Download PDFInfo
- Publication number
- CN204739561U CN204739561U CN201520443055.XU CN201520443055U CN204739561U CN 204739561 U CN204739561 U CN 204739561U CN 201520443055 U CN201520443055 U CN 201520443055U CN 204739561 U CN204739561 U CN 204739561U
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- CN
- China
- Prior art keywords
- tube bank
- return stroke
- backhaul
- flue
- backhaul tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002737 fuel gas Substances 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000000452 restraining effect Effects 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Four return stroke fuel gas steam boiler, be provided with the cavity between the outer wall of furnace body and coaxial setting of non - of stove courage and stove courage and the inner wall of furnace body, export and exhanst gas outlet intercommunication that stove courage rear end was seted up, second return stroke tube bank is add to the top of stove courage in the furnace body, third return stroke tube bank and fourth return stroke tube bank, second return stroke tube bank is around peripheral at the stove courage, fourth return stroke tube bank is located second return stroke tube bank top, third return stroke tube bank is around restraining peripherally in the second return stroke and being located fourth return stroke tube bank below, the stove courage, second return stroke tube bank, third return stroke tube bank, fourth return stroke tube bank and exhanst gas outlet communicate in proper order. It is long -pending to have increased stove courage radiant heating surface, has reduced the volume of boiler, has reduced occupation space, has reduced NOx's emission, has alleviateed the pollution to the environment. Simultaneously, prolong the time that the flue gas stopped in the stove courage, improved heat exchange efficiency, can carry out recycle to the heat that the flue gas carried, saved the energy, practiced thrift manufacturing cost.
Description
Technical field
The utility model belongs to energy conversion technical field, relates to four return stroke fuel-gas steam boilers.
Background technology
Steam boiler refers to and water is heated to certain parameter and the Industrial Boiler producing high-temperature steam, the underlying mode of current fuel-firing gas-firing steam boiler many employings combustor, single return structures, the flue gas that fuel combustion produces is discharged by exhanst gas outlet after flue, and the time that flue gas stops in flue is shorter, and heat exchanger effectiveness is lower, the heat that flue gas carries is discharged with flue gas, can not effective recycling, cause the waste of the energy, production cost is higher.
Summary of the invention
The utility model, in order to overcome the defect of prior art, devises four return stroke fuel-gas steam boilers, increases flue radiation heating-surface and amasss, reduce the volume of boiler, reduce and take up room, decrease NO
xdischarge capacity, alleviate the pollution to environment, improve heat exchanger effectiveness, save the energy, saved production cost.
The concrete technical scheme that the utility model is taked is: four return stroke fuel-gas steam boilers, comprise horizontally disposed body of heater, flue is provided with in body of heater, body of heater and flue non-coaxial arrange and are provided with cavity between the outer wall of flue and the inwall of body of heater, the outlet that flue rear end is offered is communicated with exhanst gas outlet, key: set up the second backhaul tube bank above body of heater inner furnace, 3rd backhaul tube bank and the 4th backhaul tube bank, second backhaul tube bank is centered around furnace gall periphery, 4th backhaul tube bank is positioned at the second backhaul tube bank top, 3rd backhaul tube bank is centered around the second backhaul tube bank periphery and is positioned at the 4th backhaul tube bank below, flue, second backhaul tube bank, 3rd backhaul tube bank, 4th backhaul tube bank is communicated with successively with exhanst gas outlet.
Return combustion chamber is set up, the import of return combustion chamber and the outlet of flue, the inlet communication that the outlet of return combustion chamber and the second backhaul are restrained at the rear of body of heater inner furnace.
The intrafascicular pipeline of described second backhaul tube bank, the 3rd return duct is all the pipe of inner wall smooth, and the intrafascicular pipeline of the 4th return duct is all threaded flue.
The front end of described body of heater is provided with front tube sheet, the outer wall of front tube sheet is provided with the first smoke box, and the outlet of the second backhaul tube bank is all communicated with the first smoke box with the import that the 3rd backhaul is restrained.
The rear end of described body of heater is provided with back tube sheet, the outer wall of back tube sheet is provided with the second smoke box, and the outlet of the 3rd backhaul tube bank is all communicated with the second smoke box with the import that the 4th backhaul is restrained.
The intrafascicular all pipelines of the second described return duct are symmetrical arranged along the longitudinal axis of flue.
The intrafascicular all pipelines of the 3rd described return duct are also be symmetrical arranged along the longitudinal axis of flue.
The intrafascicular all pipelines of the 4th described return duct are also be symmetrical arranged along the longitudinal axis of flue.
The beneficial effects of the utility model are: in flue, set up the second backhaul tube bank, the 3rd backhaul tube bank and the 4th backhaul tube bank, four backhauls wet back structure entirely is jointly formed with flue, safe and reliable, increase flue radiation heating-surface to amass, reduce the volume of boiler, reduce and take up room, decrease NO
xdischarge capacity, alleviate the pollution to environment.Extend the time that flue gas stops in flue simultaneously, improve heat exchanger effectiveness, the heat that flue gas carries can be recycled, save the energy, saved production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is that the A-A of Fig. 1 is to generalized section.
In accompanying drawing, 1 represents body of heater, and 2 represent flue, and 3 represent return combustion chamber, and 4 represent the second backhaul tube bank, and 5 represent the first smoke box, and 6 represent the 3rd backhaul tube bank, and 7 represent the second smoke box, and 8 represent the 4th backhaul tube bank, and 9 represent exhanst gas outlet.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Specific embodiment, as shown in Figure 1 and Figure 2, four return stroke fuel-gas steam boilers, comprise horizontally disposed body of heater 1, flue 2 is provided with in body of heater 1, body of heater 1 and flue 2 non-coaxial arrange and are provided with cavity between the outer wall of flue 2 and the inwall of body of heater 1, the outlet that flue 2 rear end is offered is communicated with exhanst gas outlet 9, exhanst gas outlet 4 is arranged in the direction along body of heater 1 longitudinal axis, not only can shorten body of heater 1 length, on the direction that chimney can be avoided again to be placed on perpendicular to body of heater 1 longitudinal axis, the condensed water corrosion boiler furnace 1 when boiler startup stops.The second backhaul tube bank the 4, the 3rd backhaul tube bank 6 and the 4th backhaul tube bank 8 is set up above body of heater 1 inner furnace 2, it is peripheral that second backhaul tube bank 4 is centered around flue 2,4th backhaul tube bank 8 is positioned at above the second backhaul tube bank 4,3rd backhaul tube bank 6 is centered around the second backhaul tube bank 4 periphery and is positioned at below the 4th backhaul tube bank 8, and flue 2, second backhaul tube bank the 4, the 3rd backhaul tube bank the 6, the 4th backhaul tube bank 8 is communicated with successively with exhanst gas outlet 9.The front end of body of heater 1 is provided with front tube sheet, and the outlet outer wall of front tube sheet being provided with the first smoke box 5, second backhaul tube bank 4 is all communicated with the first smoke box 5 with the import of the 3rd backhaul tube bank 6.The rear end of body of heater 1 is provided with back tube sheet, and the outlet outer wall of back tube sheet being provided with the second smoke box the 7, three backhaul tube bank 6 is all communicated with the second smoke box 7 with the import of the 4th backhaul tube bank 8.All pipelines in second backhaul tube bank 4 are symmetrical arranged along the longitudinal axis of flue 2, all pipelines in 3rd backhaul tube bank 6 are also be symmetrical arranged along the longitudinal axis of flue 2, and all pipelines in the 4th backhaul tube bank 8 are also be symmetrical arranged along the longitudinal axis of flue 2.
Fuel pressurized firing in flue 2, high-temperature flue gas along flue 2 to after enter after return combustion chamber 3 second-time burning second backhaul tube bank 4, transfer after 180 ° through the first smoke box 5 and enter the 3rd backhaul tube bank 6, then transfer after 180 ° through the second smoke box 7 and enter the 4th backhaul tube bank 8, finally enter air by exhanst gas outlet 9.Increase flue 2 radiation heating-surface to amass, reduce the volume of boiler, reduce and take up room, decrease NO
xdischarge capacity, alleviate the pollution to environment.Meanwhile, extend the time that flue gas stops in flue 2, improve heat exchanger effectiveness, the heat that flue gas carries can be recycled, save the energy, saved production cost.
As to further improvement of the utility model, return combustion chamber 3 is set up at the rear of body of heater 1 inner furnace 2, the import of return combustion chamber 3 and the outlet of flue 2, the inlet communication of 4 is restrained in the outlet of return combustion chamber 3 and the second backhaul, the fuel carried in flue gas can through second-time burning in return combustion chamber 3, thus the utilization rate of fuel can be improved, save production cost.
As to further improvement of the utility model, the pipeline in the second backhaul tube bank the 4, the 3rd backhaul tube bank 6 is all the pipe of inner wall smooth, and the pipeline in the 4th backhaul tube bank 8 is all threaded flue, adds heat-transfer effect, improves boiler thermal output.Wherein, threaded flue is efficient heat energy original paper, steam boiler is applied, and after heat exchange and flow resistance are optimized, the heat output of a threaded flue is equivalent to 1.7 ~ 1.8 measure-alike common smoke pipes, this not only makes smoke pipe quantity obviously reduce, and the diameter of body of heater 1 can be reduced, thus, pressure parts steel consumption obviously reduces, save steel, reduce cost.
Claims (8)
1. four return stroke fuel-gas steam boilers, comprise horizontally disposed body of heater (1), flue (2) is provided with in body of heater (1), body of heater (1) and flue (2) non-coaxial arrange and are provided with cavity between the outer wall of flue (2) and the inwall of body of heater (1), the outlet that flue (2) rear end is offered is communicated with exhanst gas outlet (9), it is characterized in that: set up the second backhaul tube bank (4) in the top of body of heater (1) inner furnace (2), 3rd backhaul tube bank (6) and the 4th backhaul tube bank (8), it is peripheral that second backhaul tube bank (4) is centered around flue (2), 4th backhaul tube bank (8) is positioned at the second backhaul tube bank (4) top, 3rd backhaul tube bank (6) is centered around the second backhaul tube bank (4) periphery and is positioned at the 4th backhaul tube bank (8) below, flue (2), second backhaul tube bank (4), 3rd backhaul tube bank (6), 4th backhaul tube bank (8) is communicated with successively with exhanst gas outlet (9).
2. four return stroke fuel-gas steam boilers according to claim 1, it is characterized in that: set up return combustion chamber (3) at the rear of body of heater (1) inner furnace (2), the import of return combustion chamber (3) and the outlet of flue (2), the inlet communication of (4) is restrained in the outlet of return combustion chamber (3) and the second backhaul.
3. four return stroke fuel-gas steam boilers according to claim 1, it is characterized in that: the pipeline in the second described backhaul tube bank (4), the 3rd backhaul tube bank (6) is all the pipe of inner wall smooth, and the pipeline in the 4th backhaul tube bank (8) is all threaded flue.
4. four return stroke fuel-gas steam boilers according to claim 1, it is characterized in that: the front end of described body of heater (1) is provided with front tube sheet, the outer wall of front tube sheet is provided with the first smoke box (5), the outlet of the second backhaul tube bank (4) is all communicated with the first smoke box (5) with the import that (6) are restrained in the 3rd backhaul.
5. four return stroke fuel-gas steam boilers according to claim 1, it is characterized in that: the rear end of described body of heater (1) is provided with back tube sheet, the outer wall of back tube sheet is provided with the second smoke box (7), the outlet of the 3rd backhaul tube bank (6) is all communicated with the second smoke box (7) with the import that (8) are restrained in the 4th backhaul.
6. four return stroke fuel-gas steam boilers according to claim 1, is characterized in that: all pipelines in the second described backhaul tube bank (4) are symmetrical arranged along the longitudinal axis of flue (2).
7. four return stroke fuel-gas steam boilers according to claim 1, is characterized in that: all pipelines in described 3rd backhaul tube bank (6) are also be symmetrical arranged along the longitudinal axis of flue (2).
8. four return stroke fuel-gas steam boilers according to claim 1, is characterized in that: all pipelines in described 4th backhaul tube bank (8) are also be symmetrical arranged along the longitudinal axis of flue (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443055.XU CN204739561U (en) | 2015-06-25 | 2015-06-25 | Four return stroke fuel gas steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443055.XU CN204739561U (en) | 2015-06-25 | 2015-06-25 | Four return stroke fuel gas steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204739561U true CN204739561U (en) | 2015-11-04 |
Family
ID=54421294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520443055.XU Active CN204739561U (en) | 2015-06-25 | 2015-06-25 | Four return stroke fuel gas steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204739561U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388221A (en) * | 2017-07-17 | 2017-11-24 | 四川竹根锅炉股份有限公司 | A kind of ultralow nitrogen condensation horizontal steam boiler of four backhauls |
| CN107676967A (en) * | 2017-11-21 | 2018-02-09 | 河南省锅炉压力容器安全检测研究院 | Energy saving and environment friendly fuel oil fires natural gas boiler |
-
2015
- 2015-06-25 CN CN201520443055.XU patent/CN204739561U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107388221A (en) * | 2017-07-17 | 2017-11-24 | 四川竹根锅炉股份有限公司 | A kind of ultralow nitrogen condensation horizontal steam boiler of four backhauls |
| CN107676967A (en) * | 2017-11-21 | 2018-02-09 | 河南省锅炉压力容器安全检测研究院 | Energy saving and environment friendly fuel oil fires natural gas boiler |
| CN107676967B (en) * | 2017-11-21 | 2023-09-29 | 河南省锅炉压力容器安全检测研究院 | Energy-saving environment-friendly oil-and-natural gas-fired boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210120 Address after: Room 703, Juqi building, haipo West Road, Yanshan County, Cangzhou City, Hebei Province Patentee after: Cangzhou Hongrun Enterprise Management Consulting Co.,Ltd. Address before: 061300 puwacheng Industrial Zone, Yanshan County, Cangzhou City, Hebei Province Patentee before: HEBEI HONGRUN NUCLEAR EQUIPMENT SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210720 Address after: 061000 Industrial Development Zone, Yanshan County, Cangzhou City, Hebei Province Patentee after: HEBEI HONGRUN NUCLEAR EQUIPMENT SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: Room 703, Juqi building, haipo West Road, Yanshan County, Cangzhou City, Hebei Province Patentee before: Cangzhou Hongrun Enterprise Management Consulting Co.,Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231012 Granted publication date: 20151104 |