CN204663901U - A kind of photo-thermal power generation HTHP pump for liquid salts - Google Patents
A kind of photo-thermal power generation HTHP pump for liquid salts Download PDFInfo
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- CN204663901U CN204663901U CN201420864116.5U CN201420864116U CN204663901U CN 204663901 U CN204663901 U CN 204663901U CN 201420864116 U CN201420864116 U CN 201420864116U CN 204663901 U CN204663901 U CN 204663901U
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Abstract
The utility model relates to a kind of photo-thermal power generation HTHP pump for liquid salts, it is characterized in that, described pump for liquid salts comprises suction bell, impeller, the pump housing, pump shaft, guide bearing parts, base plate, bearing, oil sealing, bearing housing and stay pipe, described oil sealing is arranged on the top of pump shaft, described suction bell is fixed on the pump housing, described pump shaft is fixed on bearing housing by bearing, described impeller is fixed on pump shaft by impeller nut, stay pipe is provided with between the described pump housing and base plate, intermediate support is provided with between described base plate and bearing housing, drain pipe is fixed on intermediate support. advantage of the present utility model is as follows: 1) overall construction design is ingenious, compact conformation, and detachable maintaining is convenient, 2) this technical scheme is provided with intermediate support, base plate and bearing housing is separated, reduce the impact of high-temperature molten salt on bearing and sealing device.
Description
Technical field
The present invention relates to a kind of pump for liquid salts, relate in particular to a kind of photo-thermal power generation HTHP pump for liquid salts, belong to mechanical equipment technical field.
Background technology
Pump for liquid salts is the pump that is used for carrying high-temperature molten salt specially, be widely used in the industrial departments such as ion film caustic soda, aluminium oxide, melamine, organic chemical industry, also can be used for carrying other high temperature, without the liquid of the special media of solid particle, according to version, fused salt submerged pump and fused salt axial-flow pump and molten salt circulating pump can be divided into; Fused salt submerged pump is the pump for liquid salts of low-flow high-lift, and its impeller is receded disk impeller, and the pump of this form is most widely used general. The pump for liquid salts of the little lift of large discharge of fused salt axial-flow pump, its impeller is aial flow impeller, is specially adapted to chemical industry large discharge fused salt heat exchanging occasion. Pump for liquid salts kind on market is many, mostly has following problem: 1) complicated structure, and it is cumbersome that detachable maintaining is changed parts; 2) fused salt of HTHP is larger on the impact of bearing and sealing device, reduces the service life of pump for liquid salts; 3) the inner a lot of easily worn parts of pump for liquid salts, replacement cost is higher, adds entreprise cost expense, and therefore, a kind of new technical scheme of exigence solves the problems of the technologies described above.
Summary of the invention
In order to solve above-mentioned Problems existing, the invention discloses a kind of photo-thermal power generation HTHP pump for liquid salts, this Whole Equipment design is ingenious, structure is simple, convenient disassembly, with low cost, significantly reduce the impact of the high temperature of carrying liquid on bearing and sealing device, extend the service life of bearing and sealing device.
To achieve these goals, technical scheme of the present invention is as follows, a kind of photo-thermal power generation HTHP pump for liquid salts, it is characterized in that, described pump for liquid salts comprises suction bell, impeller, the pump housing, pump shaft, guide bearing parts, base plate, bearing, shaft seal, bearing housing and stay pipe, described shaft seal is arranged on the top of pump shaft, be fixed on intermediate support, described suction bell is fixed on the pump housing, described pump shaft is fixed on bearing housing by bearing, described impeller is fixed on pump shaft by impeller nut, stay pipe is provided with between the described pump housing and base plate, intermediate support is provided with between described base plate and bearing housing, intermediate support is fixed with drain pipe. in this technical scheme, be provided with intermediate support, base plate and bearing housing separated, reduce the impact of high-temperature molten salt on bearing and sealing device.
As a modification of the present invention, in described intermediate support, be provided with insulating layer of asbestos. Avoid baffle outlet HTHP fused salt and transmit temperature along axle, the high temperature of carrying liquid impact on bearing and sealing device significantly can be reduced, improve the service life of bearing and sealing device.
As a modification of the present invention, the quantity of described stay pipe is three, be arranged on uniformly around pump shaft, three stay pipes simultaneously with ring exit chamber phase, uniform force after three stay pipes ensure at high temperature thermal expansion of pump, avoid high-temperature molten salt to transmit temperature along axle simultaneously, ensure that pump operation is steady.
As a modification of the present invention, described pump for liquid salts also comprises sealing device, and described pump shaft is sleeved on base plate by sealing device, increases its sealing effectiveness, prevents high-temperature molten salt from leaking.
As a modification of the present invention, described pump for liquid salts also comprises drain pipe, is arranged on intermediate support.
As a modification of the present invention, described impeller is set to multi-stage impeller, and described multi-stage impeller is fixed on pump shaft by impeller nut.
As a modification of the present invention, described pump for liquid salts also comprises sealing protecting tube and closed chamber, and described sealing protecting tube and closed chamber are arranged on the top of impeller. This technical scheme is provided with sealing protecting tube and closed chamber, solve the technical problem that HTHP fused salt in prior art makes shaft sealing leakage, the high temperature of carrying liquid impact on bearing and sealing device significantly can be reduced, improve the service life of bearing and sealing device.
As a modification of the present invention, described guide bearing parts comprise top guide bearing parts and lower guide bearing parts, between described top guide bearing parts and lower guide bearing parts, are connected by connecting shaft assembly.
As a modification of the present invention, described pump for liquid salts also comprises vibration detecting device, and described vibration detecting device is arranged on the two ends of bearing housing, and ruuning situation that can Real-Time Monitoring pump, access control system, realizes operated from a distance.
As a modification of the present invention, described pump for liquid salts also comprises temperature measuring equipment, the temperature of lubricating oil and intermediate support in bearing housing that can Real-Time Monitoring pump.
With respect to prior art, advantage of the present invention is as follows: 1) overall construction design is ingenious, compact conformation, and detachable maintaining is convenient; 2) this technical scheme is provided with intermediate support, base plate and bearing housing is separated, reduce the impact of high-temperature molten salt on bearing and sealing device; 3) in this technical scheme, insulating layer of asbestos is provided with in intermediate support, avoid baffle outlet HTHP fused salt and transmit temperature along axle, the high temperature of carrying liquid impact on bearing and sealing device significantly can be reduced, improve the service life of bearing and sealing device; 4) in this technical scheme, be provided with multi-stage impeller, make fused salt enter sealing diffluence room faster, increase work efficiency; 5) this technical scheme is provided with sealing protecting tube and sealing diffluence room, solve the technical problem that HTHP fused salt in prior art makes shaft sealing leakage, the high temperature of carrying liquid impact on bearing and sealing device significantly can be reduced, improve the service life of bearing and sealing device; 6) this technical scheme cost is lower, is convenient to apply on a large scale.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
In figure:
1 suction bell, 2, impeller nut, 3, impeller, 4, baffle, 5, lower guide bearing parts, 6, sealing protecting tube, 7, closed chamber, 8, shaft coupling assembly, 9, stay pipe, 10, top guide bearing parts, 11, pump shaft, 12, ring exit chamber, 13, intermediate support, 14, drain pipe, 15, gland seal device, 16, bearing housing, 17, bearing, 18, the pump housing, 19, base plate, 20, vibration detecting device, 21, temperature measuring equipment, 22, ceramic wool insulating layer.
Detailed description of the invention
In order to deepen understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, illustrate the present invention further.
Embodiment 1:
See Fig. 1, a kind of photo-thermal power generation HTHP pump for liquid salts, described pump for liquid salts comprises suction bell 1, impeller 3, the pump housing 18, pump shaft 11, guide bearing parts, base plate 19, bearing 17, oil sealing 15, bearing housing 16 and stay pipe 9, described oil sealing 15 is arranged on the top of pump shaft 11, described suction bell 1 is fixed on the pump housing 18, described pump shaft 11 is fixed on bearing housing 16 by bearing 17, described impeller is fixed on pump shaft 11 by impeller nut 2, stay pipe 9 is provided with between the described pump housing 18 and base plate 19, intermediate support 13 is provided with between described base plate 19 and bearing housing 16, drain pipe 14 is fixed on intermediate support 13. in this technical scheme, be provided with intermediate support 13, base plate 19 and bearing housing 16 separated, reduce the impact of high-temperature molten salt on bearing and sealing device.
Embodiment 2:
See Fig. 1, as a modification of the present invention, in described intermediate support, be provided with insulating layer of asbestos 20. Avoid baffle outlet HTHP fused salt and transmit temperature along axle, the high temperature of carrying liquid impact on bearing and sealing device significantly can be reduced, improve the service life of bearing and sealing device. All the other structures are identical with embodiment 1 with advantage.
Embodiment 3:
See Fig. 1, as a modification of the present invention, the quantity of described stay pipe 9 is three, is arranged on uniformly around pump shaft, and three stay pipes are connected with ring exit chamber simultaneously. All the other structures are identical with embodiment 1 with advantage.
Embodiment 4:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises sealing device 21, and described pump shaft 11 is sleeved on base plate 19 by sealing device 21, increases its sealing effectiveness, prevents high-temperature molten salt from leaking. All the other structures are identical with embodiment 1 with advantage.
Embodiment 5:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises drain pipe 14, and described drain pipe is designed to arc, is arranged on the bottom of the pump housing, and described drain pipe is connected with ring exit chamber. All the other structures are identical with embodiment 1 with advantage.
Embodiment 6:
See Fig. 1, as a modification of the present invention, described impeller 3 is set to multi-stage impeller, and described multi-stage impeller is fixed on pump shaft by impeller nut. All the other structures are identical with embodiment 1 with advantage.
Embodiment 7:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises sealing protecting tube 6 and closed chamber 7, and described sealing protecting tube 6 and closed chamber 7 are arranged on the top of impeller 3. This technical scheme is provided with sealing protecting tube and closed chamber, solve the technical problem that HTHP fused salt in prior art makes shaft sealing leakage, the high temperature of carrying liquid impact on bearing and sealing device significantly can be reduced, improve the service life of bearing and sealing device. All the other structures are identical with embodiment 1 with advantage.
Embodiment 8:
See Fig. 1, as a modification of the present invention, described guide bearing parts comprise top guide bearing parts 10 and lower guide bearing parts 5, between described top guide bearing parts and lower guide bearing parts, are connected by shaft coupling assembly 11. All the other structures are identical with embodiment 1 with advantage.
Embodiment 9:
See Fig. 1, as a modification of the present invention, described pump for liquid salts also comprises vibration detecting device 20, and described vibration detecting device is arranged on the two ends of bearing housing, and described pump for liquid salts also comprises temperature measuring equipment 21, and all the other structures are identical with embodiment 1 with advantage.
At least one in technical characteristic described in embodiment 2,3,4,5,6,7,8,9 and embodiment 1 can also combine by the present invention, form new embodiment.
It should be noted that above-described embodiment is only preferred embodiment of the present invention; be not for limiting protection scope of the present invention; being equal to replacement or substituting of making on the basis of the above all belongs to protection scope of the present invention, and protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a photo-thermal power generation HTHP pump for liquid salts, it is characterized in that, described pump for liquid salts comprises suction bell, impeller, the pump housing, pump shaft, guide bearing parts, base plate, bearing, gland seal device, bearing housing and stay pipe, described gland seal device is arranged on the top of pump shaft, described suction bell is fixed on the pump housing, described pump shaft is fixed on bearing housing by bearing, described impeller is fixed on pump shaft by impeller nut, stay pipe is provided with between the described pump housing and base plate, intermediate support is provided with between described base plate and bearing housing, intermediate support is fixed with drain pipe.
2. photo-thermal power generation HTHP pump for liquid salts according to claim 1, is characterized in that, be provided with ceramic wool thermal insulation layer in described intermediate support.
3. photo-thermal power generation HTHP pump for liquid salts according to claim 2, is characterized in that, the quantity of described stay pipe is three, is arranged on uniformly around pump shaft, and three stay pipes are connected with ring exit chamber simultaneously.
4. photo-thermal power generation HTHP pump for liquid salts according to claim 3, it is characterized in that, described pump for liquid salts also comprises sealing device, and described pump shaft is sleeved on base plate by sealing device.
5. photo-thermal power generation HTHP pump for liquid salts according to claim 4, it is characterized in that, described pump for liquid salts also comprises drain pipe, and described drain pipe is designed to arc, is arranged on the bottom of the pump housing, and described drain pipe is connected with ring exit chamber.
6. photo-thermal power generation HTHP pump for liquid salts according to claim 5, it is characterized in that, described impeller is set to multi-stage impeller, and described multi-stage impeller is fixed on pump shaft by impeller nut.
7. photo-thermal power generation HTHP pump for liquid salts according to claim 6, it is characterized in that, described pump for liquid salts also comprises sealing protecting tube and closed chamber, and described sealing protecting tube and closed chamber are arranged on the top of impeller.
8. photo-thermal power generation HTHP pump for liquid salts according to claim 7, is characterized in that, described guide bearing parts comprise top guide bearing parts and lower guide bearing parts, between described top guide bearing parts and lower guide bearing parts, is connected by connecting shaft assembly.
9. photo-thermal power generation HTHP pump for liquid salts according to claim 7, it is characterized in that, described pump for liquid salts also comprises vibration detecting device, and described vibration detecting device is arranged on the two ends of bearing housing.
10. photo-thermal power generation HTHP pump for liquid salts according to claim 7, it is characterized in that, described pump for liquid salts also comprises temperature measuring equipment, the temperature of lubricating oil and intermediate support in bearing housing that can Real-Time Monitoring pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864116.5U CN204663901U (en) | 2014-12-31 | 2014-12-31 | A kind of photo-thermal power generation HTHP pump for liquid salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420864116.5U CN204663901U (en) | 2014-12-31 | 2014-12-31 | A kind of photo-thermal power generation HTHP pump for liquid salts |
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|---|---|
| CN204663901U true CN204663901U (en) | 2015-09-23 |
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| CN201420864116.5U Active CN204663901U (en) | 2014-12-31 | 2014-12-31 | A kind of photo-thermal power generation HTHP pump for liquid salts |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533799A (en) * | 2014-12-31 | 2015-04-22 | 江苏飞跃机泵集团有限公司 | Solar-thermal power generation high-temperature high-pressure molten salt pump |
| CN107559210A (en) * | 2017-10-11 | 2018-01-09 | 济南三科泵业有限公司 | High-temperature melting salt pump |
| CN108626175A (en) * | 2018-03-06 | 2018-10-09 | 江苏大学 | A kind of double heat-insulated heat shield systems for high-temperature pump |
-
2014
- 2014-12-31 CN CN201420864116.5U patent/CN204663901U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533799A (en) * | 2014-12-31 | 2015-04-22 | 江苏飞跃机泵集团有限公司 | Solar-thermal power generation high-temperature high-pressure molten salt pump |
| CN107559210A (en) * | 2017-10-11 | 2018-01-09 | 济南三科泵业有限公司 | High-temperature melting salt pump |
| CN108626175A (en) * | 2018-03-06 | 2018-10-09 | 江苏大学 | A kind of double heat-insulated heat shield systems for high-temperature pump |
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