CN2383027Y - External heat exchanger for scale-free hot water boiler - Google Patents
External heat exchanger for scale-free hot water boiler Download PDFInfo
- Publication number
- CN2383027Y CN2383027Y CN 99234683 CN99234683U CN2383027Y CN 2383027 Y CN2383027 Y CN 2383027Y CN 99234683 CN99234683 CN 99234683 CN 99234683 U CN99234683 U CN 99234683U CN 2383027 Y CN2383027 Y CN 2383027Y
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- China
- Prior art keywords
- heat exchange
- heat exchanger
- boiler
- steam
- pipe
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- Expired - Fee Related
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Abstract
The utility model relates to an external heat exchanger for a scale-free hot water boiler, which is composed of a heat exchange cylinder, a heat exchange tube, a water outlet pipe, and a return pipe, wherein, the heat exchange cylinder is arranged above a boiler drum, and is communicated with the boiler drum through a steam output pipe and a return water balance pipe. The heat exchanger can be arranged outside a boiler, is free from the spatial limit of the boiler drum, and thus the heat exchange area can be effectively increased, and heat exchange requirements of large capacity scale-free hot water boilers can be satisfied.
Description
The utility model belongs to the combustion apparatus technical field, relates in particular to a kind of no dirty hot-water boiler external heat exchanger device.
The applicant discloses a kind of heat pipe phase-change type in ZL96235784.7 do not have dirty hot-water boiler, the heat-exchanger rig that no dirty industrial hot water boiler adopted in this patent is built-in, be that heat exchanger tube is arranged in the vapor space of boiler-steam dome, this structure is for the hot-water boiler below the 2.8MW, owing to need heat exchange area little, can satisfy the design needs.For the hot-water boiler more than the 2.8MW, owing to need heat exchange area to increase, and the drum diameter of boiler is limited, therefore can't reach the heat exchange requirement of big capacity No scale pot stove.
The purpose of this utility model is to disclose does not a kind ofly have dirty hot-water boiler external heat exchanger device to solve the heat transfer problem of big capacity No scale pot stove.
For achieving the above object, the employing technical scheme is as follows: do not have dirty hot-water boiler external heat exchanger device and be made of heat exchange cylindrical shell, heat exchanger tube, outlet pipe, return pipe, heat exchanger tube is positioned at the heat exchange cylindrical shell, and be communicated with outlet pipe and return pipe, particularly the heat exchanger tube body is positioned at the boiler outside, the top of boiler-steam dome, boiler-steam dome communicates with the heat exchange cylindrical shell by steam efferent duct and backwater balance pipe.
In addition, connect the steam equalizer line in the upper end of steam efferent duct, the steam equalizer line is horizontally disposed in the heat exchange inner barrel.
Below in conjunction with the embodiment accompanying drawing the utility model is described in detail.
Fig. 1 is the structural representation of no dirty hot-water boiler external heat exchanger device.
By Fig. 1, not having dirty hot-water boiler external heat exchanger device is made of heat exchange cylindrical shell (1), heat exchanger tube (2), outlet pipe (3), return pipe (4), heat exchange cylindrical shell (1) is positioned at the boiler outside, boiler-steam dome (5) top, heat exchanger tube (2) is positioned at the heat exchange cylindrical shell, is communicated with outlet pipe (3), return pipe (4).Boiler-steam dome (5) is communicated with heat exchange cylindrical shell (1) by steam efferent duct (6), and the bottom of heat exchange cylindrical shell (1) has backwater balance pipe (7) to be communicated with boiler-steam dome (5).Be connected with steam equalizer line (8) in the upper end of steam efferent duct (6), steam equalizer line (8) is horizontally disposed in heat exchange cylindrical shell (1) inside.Safety valve (9) and Pressure gauge (10) are housed on the heat exchange cylindrical shell (1).
Its course of work is: the steam in the boiler-steam dome enters in the heat exchange cylindrical shell by the steam efferent duct, the steam equalizer line evenly distributes steam along the cylindrical shell length direction, steam is condensation heat in cylindrical shell, with the recirculated water in the heat transferred heat exchanger tube, the stove water gravitate after condensing is return the hydrospace of boiler-steam dome by the backwater balance pipe.Heat supply network recirculated water enters heat absorption intensification in the heat exchanger tube by return pipe, reaches output temperature, is sent to the user by outlet pipe.
This heat-exchanger rig is not subjected to the restriction in boiler-steam dome space owing to can be placed on outside the boiler, therefore can effectively increase heat exchange area, satisfies the heat exchange requirement of big capacity No scale pot stove, has solved the difficult problem that big capacity No scale pot stove heat-transfer surface is provided with.
Claims (2)
1, no dirty hot-water boiler external heat exchanger device is made of heat exchange cylindrical shell, heat exchanger tube, outlet pipe, return pipe, heat exchanger tube is positioned at the heat exchange cylindrical shell, and be communicated with outlet pipe and return pipe, it is characterized in that the heat exchanger tube body is positioned at the boiler outside, the top of boiler-steam dome, boiler-steam dome communicates with the heat exchange cylindrical shell by steam efferent duct and backwater balance pipe.
2, no dirty hot-water boiler external heat exchanger device as claimed in claim 1 is characterized in that the upper end of steam efferent duct connects the steam equalizer line, and the steam equalizer line is horizontally disposed in the heat exchange inner barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99234683 CN2383027Y (en) | 1999-05-28 | 1999-05-28 | External heat exchanger for scale-free hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99234683 CN2383027Y (en) | 1999-05-28 | 1999-05-28 | External heat exchanger for scale-free hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2383027Y true CN2383027Y (en) | 2000-06-14 |
Family
ID=34022793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99234683 Expired - Fee Related CN2383027Y (en) | 1999-05-28 | 1999-05-28 | External heat exchanger for scale-free hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2383027Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428619A (en) * | 2012-06-12 | 2015-03-18 | 国际壳牌研究有限公司 | Apparatus and method for heating liquefied stream |
| US9951906B2 (en) | 2012-06-12 | 2018-04-24 | Shell Oil Company | Apparatus and method for heating a liquefied stream |
-
1999
- 1999-05-28 CN CN 99234683 patent/CN2383027Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428619A (en) * | 2012-06-12 | 2015-03-18 | 国际壳牌研究有限公司 | Apparatus and method for heating liquefied stream |
| CN104428619B (en) * | 2012-06-12 | 2016-12-28 | 国际壳牌研究有限公司 | Device and method for heats liquefied fluid |
| US9951906B2 (en) | 2012-06-12 | 2018-04-24 | Shell Oil Company | Apparatus and method for heating a liquefied stream |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |