CN200982322Y - Heat medium pump - Google Patents
Heat medium pump Download PDFInfo
- Publication number
- CN200982322Y CN200982322Y CN 200620049111 CN200620049111U CN200982322Y CN 200982322 Y CN200982322 Y CN 200982322Y CN 200620049111 CN200620049111 CN 200620049111 CN 200620049111 U CN200620049111 U CN 200620049111U CN 200982322 Y CN200982322 Y CN 200982322Y
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- CN
- China
- Prior art keywords
- running shaft
- axle sleeve
- pump
- pump housing
- cover
- 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.)
- Expired - Lifetime
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Abstract
A heat medium pump comprises a pump body, an impeller arranged in the pump body, a rotating shaft of the center, a motor rotated by the rotating shaft driving the impeller, a shaft sleeve, a support bracket of the shaft sleeve and a pump cover connected with the pump body, wherein the shaft sleeve is near one end of the pump body and connected with the pump cover, the end away from the pump body is provided with a machine sealed cavity, the rotating shaft is supported in the shaft sleeve by the bearing, the utility model is characterized in that the outer wall of the shaft sleeve at the location of machine sealed cavity is provided with a plurality of radial cooling vanes, a heat dissipation wind leaf is key-set on the shaft end of the shaft sleeve projected by the rotating shaft which can rotate along the rotate shaft, and a wind gathering cover covered the outside of the heat dissipation wind leaf, the wind gathering cover is connected with one to two cooling vanes. The utility model has low cost, high efficiency, long life and convenient maintenance, when water is used as the conveying medium, the temperature can reach 230DEG C, when oil is used as the conveying medium, and the temperature can reach 350DEG C.
Description
Technical field
The utility model relates to the recycle pump technical field, concrete relates to a kind of heating agent pump.
Background technique
Generally by the sealing gland and the bearing suspension body component of the mechanical sealing mechanism between the running shaft, axle sleeve, the pump cover that is connected with the pump housing, running shaft and the pump cover that comprise impeller in the pump housing, the pump housing, center and cooling system, mechanical seal end, its mechanical sealing mechanism includes rotating ring components, stationary ring components and holds out against spring traditional heating agent pump.Mechanical sealing mechanism and Cooling System Design are to draw the sealing surface that high-temp liquid washes mechanical sealing mechanism from pump discharge, even by cooling, it is too many also to be difficult to make cooling and machine sealing chamber temperature to reduce, so the life-span of mechanical sealing mechanism is very short.
In order to solve the problems of the technologies described above, the Chinese patent notification number is the disclosed high temperature resistant recycle pump of CN2725588Y, on the basis based on said structure, between running shaft and pump cover, leave the machine sealing chamber of an annular, machine sealing chamber is communicated with the mechanical sealing surface of mechanical sealing mechanism through pumping mechanism, pumping mechanism and sealing gland be butt joint and fastening axially, pumping mechanism is formed by connecting by the external spiral that overlaps in the internal spiral of water conservancy diversion overcoat and the water conservancy diversion, the water conservancy diversion overcoat is provided with cooling water intake on outer ring surface, be connected with the cooling water inlet channel to machine sealing chamber, on the outer ring surface of sealing gland coolant outlet is arranged, inside is connected with the cooling water water outlet; Cover is fixedlyed connected with axle sleeve by key in the water conservancy diversion, is embedded with rotating ring components in the exterior edge face; Rotating ring components and stationary ring components are axially fitting, and form the mechanical sealing surface that slide relative connects; Cooling water system is communicated with from the helicoid, mechanical sealing surface, cooling water water outlet, coolant outlet to the cooler that cool off water inlet, cooling water inlet channel, machine sealing chamber, pumping mechanism, forms enclosed self-loopa cooling water system.The mechanical sealing mechanism of this high temperature resistant recycle pump and cooling water system employing are drawn high-temperature-hot-water from the machine sealing chamber outlet and are washed mechanical seal, make cooling water and machine sealing chamber temperature rate of cooling fast, the liquid of self forms short circle in the machine sealing chamber, thereby guaranteed temperature in the machine sealing chamber＜80 ℃, having solved high temperature resistant heating agent pump mechanical sealing mechanism leaks easily, the difficult problem that life-span is short, the water pump life-span is prolonged greatly, also make the axial force and the radial force of pump in a basic balance, thereby the run stability of pump is improved greatly.Be applicable to and carry high temperature, high pressure and inflammable and explosive liquid, when fed sheet of a media was water, temperature can reach 230 ℃, and when fed sheet of a media was oil, temperature can reach 350 ℃.
But above-mentioned hot water pump still adopts water cooling system, and the water-cooling structure complexity, involves great expense.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of heating agent pump that need not cooling water system, to reduce the manufacture cost of recycle pump.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of heating agent pump, comprise the pump housing, be arranged on impeller in the pump housing, the running shaft at center, the motor, axle sleeve, the sleeve rack that rotate by the running shaft drives impeller and the pump cover that is connected with the pump housing, described axle sleeve is near being connected with pump cover with an end of the pump housing, is provided with machine sealing chamber away from that end of the pump housing; Described running shaft is bearing in the axle sleeve by bearing, it is characterized in that, the axle sleeve outer wall at described machine sealing chamber place is provided with the cooling fin of a plurality of radials, be provided with a heat radiation wind page or leaf with the running shaft rotation with key on the axle head that goes out axle sleeve at revolving spindle, and cover on the outer wind-collection cover of heat radiation wind page or leaf; Described wind-collection cover is connected with one or two cooling fin wherein.
After adopting technique scheme, can the heat in the machine sealing chamber be come out by the cooling fin at machine sealing chamber place, the cooling air that the heat radiation wind page or leaf that rotates with running shaft blows out carries out forced air cooling to cooling fin, thus temperature in the assurance machine sealing chamber＜80 ℃.Wind-collection cover is that the cooling air that heat radiation wind page or leaf blows out is gathered, to improve cooling effect.
For the ease of maintenance to the pump housing, running shaft of the present utility model and motor shaft adopt flexible connection, adopt plane cross key and cross keyway mode to be connected between the diaxon, impeller and resistant to elevated temperatures ceramic bearing are installed, press fit between the outer ring of described ceramic bearing and the axle sleeve being arranged on one section running shaft of the pump housing; Adopt fastening piece to be connected between described axle sleeve and the pump cover.
Running shaft and motor shaft adopt flexible connection, so that respectively the pump housing and rotary component are keeped in repair.
Running shaft between impeller and the resistant to elevated temperatures ceramic bearing is provided with resistant to elevated temperatures seal ring.To prevent that hot water is scurried in the rotary component in the pump housing, rotary component is constituted damage.
In the utility model, be positioned at that section running shaft of axle sleeve, be positioned at machine sealing chamber and be provided with a mechanical sealing mechanism for, between the left side of mechanical sealing mechanism that section running shaft and axle sleeve, be provided with heat insulation labyrinth seal, be provided with bearing between right side that section running shaft and the axle sleeve.
Axle sleeve is provided with outlet valve and the drain valve that is communicated with machine sealing chamber and is communicated with external pipeline, to get rid of steam and the ponding in the machine sealing chamber.
Running shaft in the described pump housing has one section return port, and high-temp liquid is refluxed, and avoids the component of burning.
The utility model does not have water-cooling structure, need not other heat exchanger, but good cooling results, reliable performance, cost is low, the life-span height.
Description of drawings
Below in conjunction with the drawings and specific embodiments, describe the utility model in detail;
Fig. 1 is the utility model heating agent pump structure schematic representation;
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Referring to Fig. 1, the heating agent pump comprises the pump housing 1, and the pump housing 1 has 11, one water outlets 12 of a water intake, and the pump housing 1 inside is provided with impeller 13, and the back side of the pump housing 1 is provided with the pump cover 14 that connects by fastening piece 141.Open pump cover 14, can keep in repair the pump housing 1 inside and impeller 13.
The fastening piece that passes on left of axle sleeve 3 is connected with pump cover 14, and the other end is supported on (not shown) on the support by sleeve rack 31.Be provided with machine sealing chamber 32 at the middle part of axle sleeve 3, and be provided with outlet valve 25 and the drain valve 26 that is communicated with machine sealing chamber 32 and is communicated with, to get rid of steam and the ponding in the machine sealing chamber 32 with external pipeline.The middle part outer wall of axle sleeve 3 is provided with the cooling fin 23 of a plurality of radials in addition.
The running shaft 4 at center is divided into the two-section that can break away from mutually, adopt plane cross key and cross keyway mode to be connected between the two-section, impeller 13, resistant to elevated temperatures seal ring 32 and resistant to elevated temperatures ceramic bearing 31 are installed, press fit between the outer ring of ceramic bearing 31 and the axle sleeve 3 being arranged on one section running shaft 41 of the pump housing 1; Resistant to elevated temperatures seal ring 32 to prevent that hot water is scurried in the rotary component in the pump housing 1, constitutes rotary component and damages on the running shaft 42 between impeller 13 and the resistant to elevated temperatures ceramic bearing 31.
Be positioned at that section running shaft 43 of axle sleeve 3, be positioned at machine sealing chamber and be provided with a mechanical sealing mechanism 35 for 32, between the left side of mechanical sealing mechanism 35 that section running shaft 42 and axle sleeve 3, be provided with heat insulation labyrinth seal 36, be provided with bearing 2 between right side that section running shaft 43 and the axle sleeve 3.
Stretch out on the axle head of axle sleeve 3 key at running shaft 44 and establish and be fixed with a heat radiation wind page or leaf 22 with running shaft 44 rotations, and cover on the outer wind-collection cover 24 of heat radiation wind page or leaf 22; Wind-collection cover 24 and one or two cooling fin wherein 23 are connected by fastening piece.
Running shaft 42 in the described pump housing 1 has one section return port 421, and high-temp liquid is refluxed, and avoids the component of burning.
The motor (not shown) connects with running shaft by the coupling (not shown), and the rotary driving axle rotates.
The utility model cost is low, efficient is high, the life-span is long, easy to maintenance, when fed sheet of a media was water, temperature can reach 230 ℃, fed sheet of a media is when oil, temperature can reach 350 ℃.Although the foregoing description is described the utility model, for the technician of the industry, still can do multiple variation to present embodiment, therefore, every employing similar variation of the present utility model all should be listed protection domain of the present utility model in.
Claims (6)
1, a kind of heating agent pump, comprise the pump housing, be arranged on impeller in the pump housing, the running shaft at center, the motor, axle sleeve, the sleeve rack that rotate by the running shaft drives impeller and the pump cover that is connected with the pump housing, described axle sleeve is near being connected with pump cover with an end of the pump housing, is provided with machine sealing chamber away from that end of the pump housing; Described running shaft is bearing in the axle sleeve by bearing, it is characterized in that, the axle sleeve outer wall at described machine sealing chamber place is provided with the cooling fin of a plurality of radials, be provided with a heat radiation wind page or leaf with the running shaft rotation with key on the axle head that goes out axle sleeve at revolving spindle, and cover on the outer wind-collection cover of heat radiation wind page or leaf; Described wind-collection cover is connected with one or two cooling fin wherein.
2, heating agent pump according to claim 1, it is characterized in that, described running shaft is divided into the two-section that can break away from mutually, adopt plane cross key and cross keyway mode to be connected between the two-section, impeller and resistant to elevated temperatures ceramic bearing are installed, press fit between the outer ring of described ceramic bearing and the axle sleeve being arranged on one section running shaft of the pump housing; Adopt fastening piece to be connected between described axle sleeve and the pump cover.
3, heating agent pump according to claim 2 is characterized in that, the running shaft between impeller and the resistant to elevated temperatures ceramic bearing is provided with resistant to elevated temperatures seal ring.
4, heating agent pump according to claim 2, it is characterized in that, be positioned at that section running shaft of axle sleeve, be positioned at machine sealing chamber and be provided with a mechanical sealing mechanism for, between the left side of mechanical sealing mechanism that section running shaft and axle sleeve, be provided with heat insulation labyrinth seal, be provided with bearing between right side that section running shaft and the axle sleeve.
5, heating agent pump according to claim 1 is characterized in that, axle sleeve is provided with outlet valve and the drain valve that is communicated with machine sealing chamber and is communicated with external pipeline, to get rid of steam and the ponding in the machine sealing chamber.
6, heating agent pump according to claim 1 is characterized in that, the running shaft in the described pump housing has one section return port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620049111 CN200982322Y (en) | 2006-12-18 | 2006-12-18 | Heat medium pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620049111 CN200982322Y (en) | 2006-12-18 | 2006-12-18 | Heat medium pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200982322Y true CN200982322Y (en) | 2007-11-28 |
Family
ID=38909480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620049111 Expired - Lifetime CN200982322Y (en) | 2006-12-18 | 2006-12-18 | Heat medium pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200982322Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267020A (en) * | 2013-04-24 | 2013-08-28 | 欧技工业设备（江苏）有限公司 | High-temperature molten salt pump |
| CN103511291A (en) * | 2012-06-30 | 2014-01-15 | 江门市江海区坚尼士微电机厂有限公司 | Hot water pump capable of efficiently dissipating heat |
| US8753079B2 (en) | 2009-03-16 | 2014-06-17 | Vulco S.A. | Mechanical seal |
| CN103912503A (en) * | 2014-04-21 | 2014-07-09 | 镇江江大泵业科技有限公司 | Novel high-temperature pump |
| CN105090047A (en) * | 2015-06-17 | 2015-11-25 | 江苏双达泵阀集团有限公司 | Integrated heat dissipation high temperature submerged pump |
| CN109505803A (en) * | 2018-11-30 | 2019-03-22 | 江苏维尔特泵业有限公司 | A kind of hot water pump bearing body air-cooling device |
| CN114776600A (en) * | 2022-05-19 | 2022-07-22 | 曹翔 | Magnetic pump |
-
2006
- 2006-12-18 CN CN 200620049111 patent/CN200982322Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8753079B2 (en) | 2009-03-16 | 2014-06-17 | Vulco S.A. | Mechanical seal |
| US9206906B2 (en) | 2009-03-16 | 2015-12-08 | Vulco, S.A. | Adjustable mechanical seal |
| US9249885B2 (en) | 2009-03-16 | 2016-02-02 | Vulco, S. A. | Mechanical seal with improved seal assembly |
| US9593777B2 (en) | 2009-03-16 | 2017-03-14 | Vulco S.A. | Mechanical seal |
| CN103511291A (en) * | 2012-06-30 | 2014-01-15 | 江门市江海区坚尼士微电机厂有限公司 | Hot water pump capable of efficiently dissipating heat |
| CN103267020A (en) * | 2013-04-24 | 2013-08-28 | 欧技工业设备（江苏）有限公司 | High-temperature molten salt pump |
| CN103912503A (en) * | 2014-04-21 | 2014-07-09 | 镇江江大泵业科技有限公司 | Novel high-temperature pump |
| CN105090047A (en) * | 2015-06-17 | 2015-11-25 | 江苏双达泵阀集团有限公司 | Integrated heat dissipation high temperature submerged pump |
| CN109505803A (en) * | 2018-11-30 | 2019-03-22 | 江苏维尔特泵业有限公司 | A kind of hot water pump bearing body air-cooling device |
| CN109505803B (en) * | 2018-11-30 | 2023-10-27 | 江苏维尔特泵业有限公司 | Hot water pump bearing body air cooling device |
| CN114776600A (en) * | 2022-05-19 | 2022-07-22 | 曹翔 | Magnetic pump |
| CN114776600B (en) * | 2022-05-19 | 2024-02-09 | 曹翔 | Magnetic pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071128 |
|
| EXPY | Termination of patent right or utility model |