CN204372884U - Three return stroke wet back type steam boilers - Google Patents
Three return stroke wet back type steam boilers Download PDFInfo
- Publication number
- CN204372884U CN204372884U CN201420855621.3U CN201420855621U CN204372884U CN 204372884 U CN204372884 U CN 204372884U CN 201420855621 U CN201420855621 U CN 201420855621U CN 204372884 U CN204372884 U CN 204372884U
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- pipe
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- proof door
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Abstract
The utility model relates to three return stroke wet back type steam boilers, it is characterized in that plain furnace and corrugated flue form flue body, internal thread smoke pipe, external screw thread smoke pipe is provided with above flue body, return combustion chamber front tube sheet and return combustion chamber back tube sheet composition return combustion chamber flue, return combustion chamber flue side is connected with explosion-proof door connection pipe, explosion-proof door connection pipe is provided with explosion proof door pipe, explosion proof door pipe is provided with pressure port, this pressure port is arranged in rear smoke box, form air space above external screw thread smoke pipe, in air space, water separator is installed.The beneficial effects of the utility model are, greatly save space, and structure is simple, and be easy to safeguard, cost-saving, flue gas resistance is little, and save operating cost, the thermal efficiency is high, and heat radiation reduces, and fume emission is lower than national requirements for environmental protection, and the feature of environmental protection is than good.
Description
Technical field
The utility model relates to energy conversion field, specifically a kind of three return stroke wet back type steam boilers.
Background technology
At present, the underlying mode of fuel-firing gas-firing steam boiler many employings combustor, two return structure, fuel combustion is insufficient, and boiler operatiopn is stablized; Although smoke pipe interpolation has spoiler, slow down flue gas velocity, increase heat exchange amount, boiler thermal output is not high, and use cost is high.
Summary of the invention
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of three return stroke wet back type steam boilers, and the utility model solves the technical scheme that its technical problem adopts and is: structure of the present utility model comprises plain furnace, corrugated flue, front tube sheet, Pressure gauge base, hanger, manhole device, shell, stop valve base, auxiliary steam valve base, water separator, safety valve base, brace, brace, back tube sheet, water feed apparatus, return combustion chamber front tube sheet, return combustion chamber flue, return combustion chamber back tube sheet, stove water sampling base, explosion proof door pipe, explosion-proof door connection pipe, external screw thread smoke pipe, flange circle, Drag link, internal thread smoke pipe, hand hole device, blowdown apparatus, water gage base, boiler body, front smoke box, platform staircase, base, smoke-box cover plate, pressure port, rear smoke box, is characterized in that plain furnace and corrugated flue form flue body, is provided with internal thread smoke pipe above flue body, external screw thread smoke pipe, internal thread smoke pipe and external screw thread smoke pipe are efficient heat energy original paper, return combustion chamber front tube sheet and return combustion chamber back tube sheet composition return combustion chamber flue, return combustion chamber flue side is connected with explosion-proof door connection pipe, explosion-proof door connection pipe is provided with explosion proof door pipe, explosion proof door pipe is provided with pressure port, this pressure port is arranged in rear smoke box, for backing down the explosion-proof use of pressure port in boiler during pressure increase, air space is formed above external screw thread smoke pipe, in air space, water separator is installed, flue body top is provided with front smoke box, flue body bottom is provided with blowdown apparatus, flue body above blowdown apparatus is provided with hand hole device, boiler above hand hole device is provided with Drag link, this boiler erection is on base, flue body tip is mounted with smoke-box cover plate by flange circle, boiler furnace outer front end is provided with front tube sheet, end is provided with back tube sheet, Pressure gauge base is provided with above boiler furnace, hanger, manhole device, shell, stop valve base, auxiliary steam valve base, safety valve base, wherein, Pressure gauge base is used for Bonding pressure table, hanger is for lifting boiler, and the boiler upper right corner is provided with brace, and boiler side is provided with water feed apparatus, drum is provided with stove water sampling base, boiler furnace another side arranges water gage base, for connecting water gage, is provided with platform staircase above boiler.
Operation principle: in use, the building form of plain furnace and corrugated flue makes flue space increase, heating surface area is increased, the ratio that radiation of burner hearth caloric receptivity accounts for total caloric receptivity is large, and the flue gas produced after fuel combustion arrives internal thread smoke pipe from return combustion chamber flue 17, then to front smoke box, arrives external screw thread smoke pipe, then discharge from chimney after smoke box after external screw thread smoke pipe arrives, complete three backhauls burnings, flue body centre is unsettled to be arranged in boiler, forms wetting back-type structure.
The beneficial effects of the utility model are, can fire thick alcohol by fuel-firing gas-firing, three return structures, shorten 35% than conventional boiler, greatly save space, structure is simple, be easy to safeguard, cost-saving, flue gas resistance is little, saves operating cost, the thermal efficiency is high, heat radiation reduces, and fume emission is lower than national requirements for environmental protection, and the feature of environmental protection is than good.
Accompanying drawing explanation
Fig. 1: the utility model example structure schematic diagram.
Fig. 2: the utility model boiler sectional structure schematic diagram.
Fig. 3: the utility model boiler side sectional structure schematic diagram.
In figure: plain furnace 1, corrugated flue 2, front tube sheet 3, Pressure gauge base 4, hanger 5, manhole device 6, shell 7, stop valve base 8, auxiliary steam valve base 9, water separator 10, safety valve base 11, brace 12, brace 13, back tube sheet 14, water feed apparatus 15, return combustion chamber front tube sheet 16, return combustion chamber flue 17, return combustion chamber back tube sheet 18, stove water sampling base 19, explosion proof door pipe 20, explosion-proof door connection pipe 21, external screw thread smoke pipe 22, flange circle 23, Drag link 24, internal thread smoke pipe 25, hand hole device 26, blowdown apparatus 27, water gage base 28, boiler body 29, front smoke box 30, platform staircase 31, base 32, smoke-box cover plate 33, pressure port 34, rear smoke box 35.
Detailed description of the invention
Illustrate with reference to accompanying drawing and following concrete detailed description is done to the utility model, as shown in drawings, structure of the present utility model comprises plain furnace 1, corrugated flue 2, front tube sheet 3, Pressure gauge base 4, hanger 5, manhole device 6, shell 7, stop valve base 8, auxiliary steam valve base 9, water separator 10, safety valve base 11, brace 12, brace 13, back tube sheet 14, water feed apparatus 15, return combustion chamber front tube sheet 16, return combustion chamber flue 17, return combustion chamber back tube sheet 18, stove water sampling base 19, explosion proof door pipe 20, explosion-proof door connection pipe 21, external screw thread smoke pipe 22, flange circle 23, Drag link 24, internal thread smoke pipe 25, hand hole device 26, blowdown apparatus 27, water gage base 28, boiler body 29, front smoke box 30, platform staircase 31, base 32, smoke-box cover plate 33, pressure port 34, rear smoke box 35, is characterized in that plain furnace 1 and corrugated flue 2 form flue body 29, is provided with internal thread smoke pipe 25 above flue body 29, external screw thread smoke pipe 22, internal thread smoke pipe 25 and external screw thread smoke pipe 22 are efficient heat energy original paper, return combustion chamber front tube sheet 16 and return combustion chamber back tube sheet 18 form return combustion chamber flue 17, return combustion chamber flue 17 side is connected with explosion-proof door connection pipe 21, explosion-proof door connection pipe 21 is provided with explosion proof door pipe 20, explosion proof door pipe 20 is provided with pressure port 34, this pressure port 34 is arranged in rear smoke box 35, for backing down the explosion-proof use of pressure port 34 in boiler during pressure increase, air space is formed above external screw thread smoke pipe 22, water separator 10 is installed in air space, flue body 29 top is provided with front smoke box 30, flue body 29 bottom is provided with blowdown apparatus 27, flue body above blowdown apparatus 27 is provided with hand hole device 26, boiler above hand hole device 26 is provided with Drag link 24, this boiler erection is on base 32, flue body 29 end is mounted with smoke-box cover plate 33 by flange circle 23, boiler furnace outer front end is provided with front tube sheet 3, end is provided with back tube sheet 14, Pressure gauge base 4 is provided with above boiler furnace, hanger 5, manhole device 6, shell 7, stop valve base 8, auxiliary steam valve base 9, safety valve base 11, wherein, Pressure gauge base 4 is for Bonding pressure table, and hanger is for lifting boiler, and the boiler upper right corner is provided with brace 12, 13, boiler side is provided with water feed apparatus 15, and drum is provided with stove water sampling base 19, boiler furnace another side arranges water gage base 28, and for connecting water gage, boiler the top is provided with platform staircase 31.Operation principle: in use, the building form of plain furnace 1 and corrugated flue 2 makes flue space increase, heating surface area is increased, the ratio that radiation of burner hearth caloric receptivity accounts for total caloric receptivity is large, the flue gas produced after fuel combustion arrives front smoke box 30 from internal thread smoke pipe 25, then discharges from chimney after external screw thread smoke pipe 22 arrives rear smoke box 35, completes three backhaul burnings, flue body 29 centre is unsettled to be arranged in boiler, forms wetting back-type structure.
Embodiment recited above is only be described preferred embodiment of the present utility model; not design of the present utility model and scope are limited; under the prerequisite not departing from the utility model design concept; the various modification that in this area, common engineers and technicians make the technical solution of the utility model and improvement; protection domain of the present utility model all should be fallen into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (1)
1. three return stroke wet back type steam boilers, comprise plain furnace (1), corrugated flue (2), front tube sheet (3), Pressure gauge base (4), hanger (5), manhole device (6), shell (7), stop valve base (8), auxiliary steam valve base (9), water separator (10), safety valve base (11), brace (12), brace (13), back tube sheet (14), water feed apparatus (15), return combustion chamber front tube sheet (16), return combustion chamber flue (17), return combustion chamber back tube sheet (18), stove water sampling base (19), explosion proof door pipe (20), explosion-proof door connection pipe (21), external screw thread smoke pipe (22), flange circle (23), Drag link (24), internal thread smoke pipe (25), hand hole device (26), blowdown apparatus (27), water gage base (28), boiler body (29), front smoke box (30), platform staircase (31), base (32), smoke-box cover plate (33), pressure port (34), rear smoke box (35), it is characterized in that plain furnace (1) and corrugated flue (2) form flue body (29), flue body (29) top is provided with internal thread smoke pipe (25), external screw thread smoke pipe (22), internal thread smoke pipe (25) and external screw thread smoke pipe (22) are efficient heat energy original paper, return combustion chamber front tube sheet (16) and return combustion chamber back tube sheet (18) composition return combustion chamber flue (17), return combustion chamber flue (17) side is connected with explosion-proof door connection pipe (21), explosion-proof door connection pipe (21) is provided with explosion proof door pipe (20), explosion proof door pipe (20) is provided with pressure port (34), this pressure port (34) is arranged in rear smoke box (35), external screw thread smoke pipe (22) top forms air space, is provided with water separator (10) in air space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420855621.3U CN204372884U (en) | 2014-12-30 | 2014-12-30 | Three return stroke wet back type steam boilers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420855621.3U CN204372884U (en) | 2014-12-30 | 2014-12-30 | Three return stroke wet back type steam boilers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204372884U true CN204372884U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420855621.3U Expired - Fee Related CN204372884U (en) | 2014-12-30 | 2014-12-30 | Three return stroke wet back type steam boilers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204372884U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765012A (en) * | 2016-12-30 | 2017-05-31 | 李学滨 | Micro-pressure high-temperature steam layered heating boiler |
| CN107191905A (en) * | 2017-05-27 | 2017-09-22 | 李学滨 | A kind of low-voltage high-temperature steam goes out boiler soon |
| CN109630999A (en) * | 2018-11-30 | 2019-04-16 | 江苏元和新能源科技股份有限公司 | A kind of efficient supplementary fired Waste Heat Boiler |
| CN113294766A (en) * | 2021-06-18 | 2021-08-24 | 江苏创盛锅炉有限公司 | Energy-saving steam boiler |
| CN117450493A (en) * | 2023-12-13 | 2024-01-26 | 武汉船舶职业技术学院 | Marine boiler with explosion-proof protection |
-
2014
- 2014-12-30 CN CN201420855621.3U patent/CN204372884U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765012A (en) * | 2016-12-30 | 2017-05-31 | 李学滨 | Micro-pressure high-temperature steam layered heating boiler |
| CN106765012B (en) * | 2016-12-30 | 2023-09-29 | 李学滨 | Micro-pressure high-temperature steam layered heating boiler |
| CN107191905A (en) * | 2017-05-27 | 2017-09-22 | 李学滨 | A kind of low-voltage high-temperature steam goes out boiler soon |
| CN107191905B (en) * | 2017-05-27 | 2019-08-20 | 李学滨 | A kind of low-voltage high-temperature steam goes out boiler fastly |
| CN109630999A (en) * | 2018-11-30 | 2019-04-16 | 江苏元和新能源科技股份有限公司 | A kind of efficient supplementary fired Waste Heat Boiler |
| CN113294766A (en) * | 2021-06-18 | 2021-08-24 | 江苏创盛锅炉有限公司 | Energy-saving steam boiler |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20201230 |