CN204458543U - A kind of shaft seal cooling structure for high temperature pump - Google Patents
A kind of shaft seal cooling structure for high temperature pump Download PDFInfo
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- CN204458543U CN204458543U CN201420856834.8U CN201420856834U CN204458543U CN 204458543 U CN204458543 U CN 204458543U CN 201420856834 U CN201420856834 U CN 201420856834U CN 204458543 U CN204458543 U CN 204458543U
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- cooling
- shaft seal
- water intake
- coolant outlet
- cavity
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Abstract
The utility model relates to a kind of high temperature pump shaft seal cooling structure, described cooling structure comprises shaft seal cavity outer wall and cooling jacket, the outer pars intramuralis of described shaft seal cavity is provided with cavity, described cavity is provided with the first cooling water intake and the first coolant outlet, described cooling jacket comprises cylindrical inner sleeve and radiating fin, described radiating fin is helix structure, the outer wall of this fin surface and inner sleeve constitutes the spiral channel structure of cooling jacket, this channel structure has the second cooling water intake and the second coolant outlet, described cooling jacket is arranged in described shaft seal cavity outer wall internal cavities, described first cooling water intake is corresponding with the second cooling water intake, first coolant outlet is corresponding with the second coolant outlet, cooling medium increases at the heat exchange area of cooling chamber and heat exchanger time, heat transfer effect strengthens greatly.
Description
Technical field
The utility model relates to a kind of cooling structure, is specifically related to a kind of high temperature pump shaft seal cooling structure.
Background technique
In high temperature pump, cooling water jecket is set at shaft seal place usually to reduce shaft seal cavity medium temperature, extends shaft seal working life.Please refer to Fig. 1, Fig. 1 is the structural representation of high temperature pump shaft seal cooling structure in prior art.In prior art, a cooling chamber 4 is cast at shaft seal cavity 1 outer round casing 6 circumferencial direction, described cooling chamber 4 is connected by cooling water intake 2, water outlet 3 with the external world, and cooling water carries out heat exchange by cooling chamber 4 and metal layer 5 with shaft seal cavity medium, and shaft seal cavity medium temperature is minimized.But this structural disadvantages has: the surface area that (1) carries out heat exchange is little; (2) shaft seal cavity outer radius metal layer 5 thickness is large thus cause the temperature difference of metal layer large; (3) heat transfer effect is poor.
Model utility content
For solving the problems of the technologies described above, the purpose of this utility model is to provide the good shaft seal cooling structure for high temperature pump of a kind of heat exchange effect.
The technical solution of the utility model is: described cooling structure comprises shaft seal cavity outer wall and cooling jacket, the outer pars intramuralis of described shaft seal cavity is provided with cavity, described cavity is provided with the first cooling water intake and the first coolant outlet, described cooling jacket comprises cylindrical inner sleeve and radiating fin, described radiating fin is the spiral channel structure that the outer wall of this fin surface of helix structure and inner sleeve constitutes cooling jacket, this channel structure has the second cooling water intake and the second coolant outlet, described cooling jacket is arranged in described shaft seal cavity outer wall internal cavities, described first cooling water intake is corresponding with the second cooling water intake, first coolant outlet is corresponding with the second coolant outlet.
The utility model tool has the following advantages: (1) spiral radiator substantially increases heat exchange area; (2) spirality is streamed and is made transfer path longer, and heat exchange is more abundant; (2) cast difficulty low, processing is simple, by method processing such as welding, casting, machinings; (4) cooling medium increases at the heat exchange area of cooling chamber and heat exchanger time, and heat transfer effect strengthens greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation for the shaft seal cooling structure of high temperature pump in prior art.
Fig. 2 is the structural representation of the utility model for the shaft seal cooling structure of high temperature pump.
Fig. 3 is the structural representation of cooling jacket of the present utility model.
Embodiment
From concisely, the present embodiment describes emphatically the utility model part different from prior art, the annexation between the axle of high temperature pump, pump chamber, shaft seal and bearing and position relationship, identical with prior art, just repeats no more at this.
Please refer to Fig. 2, Fig. 2 is the structural representation of the utility model for the shaft seal cooling structure of high temperature pump.Shaft seal cooling structure for high temperature pump described in the utility model comprises envelope cavity outer wall 26 and cooling jacket 25.Described envelope cavity outer wall 26 is positioned at the side of shaft seal cavity 21.Described envelope cavity outer wall 26 inside is provided with cavity 24 and the first cooling water intake 22, first cooling water outlet 23.Described first cooling water intake 22, first cooling water outlet 23 is connected with described cavity 24.Described cooling jacket 25 is arranged at the inside of cavity 24.
Please refer to Fig. 3, Fig. 3 is the structural representation of cooling jacket of the present utility model.Described cooling jacket comprises columniform inner sleeve 31 and radiating fin 32.Described radiating fin 32 is helix structure, the inwall of this radiating fin 32 and the outer wall of inner sleeve 31 constitute the spiral channel structure of cooling jacket 25, this channel structure has the second cooling water intake 33 and the second coolant outlet 34, described cooling jacket 25 is arranged in described cavity 24, described first cooling water intake 22 is corresponding with the second cooling water intake 34, and the first coolant outlet 23 is corresponding with the second coolant outlet 34.
Shaft seal cooling structure described in the utility model in use, after cooling medium enters cavity from the first water inlet 22, advances along spirality channel structure, and exchange hot wall 25 carries out streaming rear first water outlet 23 and flows out.Shaft seal cooling structure of the present utility model replaces heat exchanger of the prior art, the spiral radiator of cooling jacket 25 substantially increases heat exchange area, heat exchange is more abundant, and cooling medium increases at the heat exchange area of cooling chamber and heat exchanger time, and heat transfer effect strengthens greatly.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (1)
1. the shaft seal cooling structure for high temperature pump, it is characterized in that, described cooling structure comprises shaft seal cavity outer wall and cooling jacket, the outer pars intramuralis of described shaft seal cavity is provided with cavity, described cavity is provided with the first cooling water intake and the first coolant outlet, described cooling jacket comprises cylindrical inner sleeve and radiating fin, described radiating fin is helix structure, the outer wall of this fin surface and inner sleeve constitutes the spiral channel structure of cooling jacket, this channel structure has the second cooling water intake and the second coolant outlet, described cooling jacket is arranged in described shaft seal cavity outer wall internal cavities, described first cooling water intake is corresponding with the second cooling water intake, first coolant outlet is corresponding with the second coolant outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856834.8U CN204458543U (en) | 2014-12-30 | 2014-12-30 | A kind of shaft seal cooling structure for high temperature pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420856834.8U CN204458543U (en) | 2014-12-30 | 2014-12-30 | A kind of shaft seal cooling structure for high temperature pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458543U true CN204458543U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420856834.8U Active CN204458543U (en) | 2014-12-30 | 2014-12-30 | A kind of shaft seal cooling structure for high temperature pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223457A (en) * | 2017-12-16 | 2018-06-29 | 朱浩奇 | A kind of cooling denoising device of household fan motor |
-
2014
- 2014-12-30 CN CN201420856834.8U patent/CN204458543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223457A (en) * | 2017-12-16 | 2018-06-29 | 朱浩奇 | A kind of cooling denoising device of household fan motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |