CN203906318U - Molten salt pump system capable of operating under pressure - Google Patents
Molten salt pump system capable of operating under pressure Download PDFInfo
- Publication number
- CN203906318U CN203906318U CN201420320274.4U CN201420320274U CN203906318U CN 203906318 U CN203906318 U CN 203906318U CN 201420320274 U CN201420320274 U CN 201420320274U CN 203906318 U CN203906318 U CN 203906318U
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- pump
- tank
- molten salt
- pressure
- fused salt
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Abstract
The utility model discloses a novel molten salt pump system capable of operating under pressure. The novel molten salt pump system capable of operating under pressure comprises a molten salt storage tank, a molten slat pump assembly, a pump tank, an air seal device and a pressure adjusting device. The pump tank is communicated with the molten slat storage tank and bears the pressure of liquid in the molten salt storage tank. The molten salt pump assembly is arranged in the pump tank through the air seal device. The pressure adjusting device controls and is connected with the air seal device. By the adoption of the novel molten salt pump system, a molten salt pump can operate normally at a high temperature in a pressurized medium, so that the application limitation that a traditional molten salt pump can only be installed above the free liquid level of a medium is broken through. In addition, the novel molten salt pump system capable of operating under pressure is simple in structure, flexible in arrangement and free of limitation of the height of the molten salt storage tank and the site condition; by the adoption of the molten salt pump system capable of operating under pressure, the length of a pump body can be greatly reduced, the equipment reliability can be improved, and the equipment manufacturing cost can be reduced. The novel molten salt pump system capable of operating under pressure is simple in structure, high in reliability, convenient to operate and control, and convenient to manufacture, install and maintain.
Description
Technical field
The utility model relates to a kind of pump for liquid salts, is specifically related to a kind of pump for liquid salts system that can operation with pressure.
Background technique
Pump for liquid salts is the key equipment that fused salt fluid is carried, because fused-salt medium has the features such as operating temperature high and low temperature condenses, tradition pump for liquid salts form is generally vertical long shaft pump, more than being arranged on the free surface of fused salt storage tank, prevent pump housing rotating part hermetic unit contact fused salt, the entrance fused salt of traditional pump for liquid salts can not be with pressure.This will cause pump for liquid salts body length to be limited by the control of fused salt storage tank height, otherwise the manufacturing capacity of pump housing length has also limited the height of fused salt storage tank.The pump housing length of the vertical long pump for liquid salts that state-of-the art can reach is 15 meters of left and right to the maximum, involves great expense, repair and maintenance is very inconvenient.
As can be seen here, shorten the pump housing length of pump for liquid salts, making the pump housing can operation with pressure be that related domain is needed the problem that will solve badly.
Model utility content
Problem that can not operation with pressure for traditional pump for liquid salts, the purpose of this utility model is to provide a kind of pump for liquid salts system that can operation with pressure.
In order to achieve the above object, the utility model adopts following technological scheme:
One can operation pump for liquid salts system with pressure, and described system comprises fused salt storage tank, pump for liquid salts assembly, and it also comprises pump tank, air seal set and regulator, described pump tank and fused salt storage tank UNICOM, and bear fluid pressure in fused salt storage tank; Described pump for liquid salts assembly is placed in pump tank by air seal set, described regulator control connection air seal set.
In the preferred version of this system, described pump tank is by unicom pipeline and isolating valve and fused salt tank bottom UNICOM.
Further, on described pump tank, offer evacuation port and thermal insulation layer.
Further, described pump for liquid salts assembly comprises fused salt pump case, upper bearing (metal), middle (center) bearing, lower bearing and impeller, pump shaft, coupling, motor, described fused salt pump case is placed in pump tank by air seal set, middle (center) bearing, lower bearing and impeller are placed in fused salt pump case successively, one end of pump shaft is connected with impeller with lower bearing through middle (center) bearing successively, the other end through air seal set and upper bearing (metal), is connected with motor by coupling successively.
Further, the pump discharge of described fused salt pump case is arranged on the top of pump tank.
Further, in described pump for liquid salts assembly, impeller is one pole or multi-stage impeller.
Further, the gas in described air seal set is inert gas.
Simple at the utility model apparatus structure, flexible arrangement, is not limited by fused salt storage tank height and site condition, can significantly shorten the length of the pump housing, and raising equipment reliability reduces equipment manufacturing cost, moves and control conveniently, be convenient to manufacture, installation and maintenance.
Brief description of the drawings
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is composition structural drawing of the present utility model.
Label declaration:
1-fused salt storage tank; 2-fused salt liquid level; 3-isolating valve; 4-unicom pipeline; 5-pump tank entrance; 6-impeller; 7-lower bearing; 8-middle (center) bearing; 9-air seal set; 10-upper bearing (metal); 11-coupling; 12-motor; 13-regulator; 14-compressed air line; 15-pump discharge; 16-pump cushion cap; 17-pump discharge pipeline; 18-pump case; 19-pump tank; 20-evacuation port; 21-pump shaft.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, its be depicted as novel can operation pump for liquid salts system architecture schematic diagram with pressure.Whole system device comprises: fused salt storage tank 1, fused salt liquid level 2, isolating valve 3, unicom pipeline 4, pump tank entrance 5, impeller 6, lower bearing 7, middle (center) bearing 8, air seal set 9, upper bearing (metal) 10, coupling 11, motor 12, regulator 13, compressed air line 14, pump discharge 15, pump cushion cap 16, pump discharge pipeline 17, pump case 18, pump tank 19, evacuation port 20, pump shaft 21.
Fused salt storage tank 1 is for whole system provides fused-salt medium, and wherein fused salt liquid level 2 provides pressure for system entry.
Pump tank 19 and fused salt storage tank 1 UNICOM, for pump for liquid salts provides medium volume, and bear fused salt liquid in storage tank pressure, supports for pump for liquid salts component placement provides to install simultaneously.
Concrete, this pump tank 19 is provided with thermal insulation layer on the whole, offers pump tank entrance 5 and evacuation port 20 on tank body, is provided with pump cushion cap 16 at top.The pump tank entrance 5 of pump tank 19 passes through unicom pipeline 4 and fused salt storage tank 1 UNICOM, and isolating valve 3 is set on unicom pipeline 4.
Impeller 6, lower bearing 7, middle (center) bearing 8, upper bearing (metal) 10, coupling 11, motor 12 and pump case 18 coordinate the pump for liquid salts forming in this programme.
Wherein, pump case 18 is placed in the lower end of the pump cushion cap 16 of pump tank 19 by air seal set 9, and entirety is positioned at pump tank 19, bears the pressure of liquid level in fused salt storage tank.On pump case 18, be provided with pump discharge pipeline 17, the port of this pump discharge pipeline 17 is pump discharge 15, is arranged on the pump cushion cap 16 of pump tank 19.
Middle (center) bearing 8, lower bearing 7, impeller 6 are placed in pump case 18 from top to bottom successively, and wherein pump impeller can be that single-stage can be also multistage.
Upper bearing (metal) 10 and motor 12 are placed on the pump cushion cap 16 of pump tank 19, one end of pump shaft 21 joins with impeller 6 through middle (center) bearing 8, lower bearing 7 downwards successively, the other end is upwards successively through air seal set 9, pump cushion cap 16 and upper bearing (metal) 10, and join by coupling 11 and motor 12, the power being provided by motor 12 is provided.
In the mounting structure of this pump for liquid salts, air seal set 9, between pump case 18 and pump cushion cap 16, is separated pump case 18 and pump cushion cap 16, for pump shaft 21 provides seal protection, can bear pressure medium.
Air seal set 9 is connected with regulator 13 by compressed air line 14, and is controlled by regulator 13.This regulator 13 carries out chain with the fused salt liquid level 2 in fused salt storage tank 1, it changes according to fused-salt medium pressure, control hydraulic pressure by regulating the air pressure in air seal set 9, make fused-salt medium can not enter into the gap between pump shaft and pump cushion cap, and then the space of avoiding fused salt to enter between pump shaft 21 and pump cushion cap 16 is revealed and solidify.Wherein, the gas in air seal set is inert gas (or other medium).
Form thus can operation pump for liquid salts system with pressure in the time of work, pump tank 19 is arranged in to the position lower than fused salt storage tank 1, can make full use of the volume of fused salt storage tank 1 like this.
Fused salt in fused salt storage tank 1 enters in pump tank 19 by unicom pipeline 4, because the fused salt liquid level in fused salt storage tank 1 is higher, makes the pump tank 19 in system and device with pressure, and pump for liquid salts is just operated in pressure medium like this, and air seal set is protected pump for liquid salts; Motor 12 is connected and rotates with pump shaft 21 by coupling 11, and impeller 6 is done work, and fused salt is discharged from pump discharge 15 by pump discharge pipeline 17.
, in the time shutting down or overhaul, can cut off unicom pipeline 4 by isolating valve 3, and be undertaken emptying by evacuation port 20 at pump tank 19.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
- One kind can operation pump for liquid salts system with pressure, described system comprises fused salt storage tank, pump for liquid salts assembly, it is characterized in that, described system also comprises pump tank, air seal set and regulator, described pump tank and fused salt storage tank UNICOM, and bear fluid pressure in fused salt storage tank; Described pump for liquid salts assembly is placed in pump tank by air seal set, described regulator control connection air seal set.
- 2. one according to claim 1 can operation pump for liquid salts system with pressure, it is characterized in that, described pump tank is by unicom pipeline and isolating valve and fused salt tank bottom UNICOM.
- 3. one according to claim 1 can operation pump for liquid salts system with pressure, it is characterized in that, on described pump tank, offers evacuation port and thermal insulation layer.
- 4. one according to claim 1 can operation pump for liquid salts system with pressure, it is characterized in that, described pump for liquid salts assembly comprises fused salt pump case, upper bearing (metal), middle (center) bearing, lower bearing and impeller, pump shaft, coupling, motor, described fused salt pump case is placed in pump tank by air seal set, middle (center) bearing, lower bearing and impeller are placed in fused salt pump case successively, one end of pump shaft is connected with impeller with lower bearing through middle (center) bearing successively, the other end through air seal set and upper bearing (metal), is connected with motor by coupling successively.
- 5. one according to claim 4 can operation pump for liquid salts system with pressure, it is characterized in that, the pump discharge of described fused salt pump case is arranged on the top of pump tank.
- 6. one according to claim 4 can operation pump for liquid salts system with pressure, it is characterized in that, in described pump for liquid salts assembly, impeller is one pole or multi-stage impeller.
- 7. one according to claim 1 can operation pump for liquid salts system with pressure, it is characterized in that, the gas in described air seal set is inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320274.4U CN203906318U (en) | 2014-06-16 | 2014-06-16 | Molten salt pump system capable of operating under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320274.4U CN203906318U (en) | 2014-06-16 | 2014-06-16 | Molten salt pump system capable of operating under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906318U true CN203906318U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420320274.4U Expired - Fee Related CN203906318U (en) | 2014-06-16 | 2014-06-16 | Molten salt pump system capable of operating under pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005916A (en) * | 2017-12-04 | 2018-05-08 | 四川省自贡工业泵有限责任公司 | Long-shaft type fused salt Pump Characteristic Test System |
| CN112393447A (en) * | 2020-11-02 | 2021-02-23 | 浙江中控太阳能技术有限公司 | Solar energy light and heat power station fused salt storage device, storage system and light and heat power station |
| CN114087210A (en) * | 2021-11-26 | 2022-02-25 | 江苏飞跃机泵集团有限公司 | Molten salt pump complete equipment with pressure design in tank |
-
2014
- 2014-06-16 CN CN201420320274.4U patent/CN203906318U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005916A (en) * | 2017-12-04 | 2018-05-08 | 四川省自贡工业泵有限责任公司 | Long-shaft type fused salt Pump Characteristic Test System |
| CN108005916B (en) * | 2017-12-04 | 2019-04-30 | 四川省自贡工业泵有限责任公司 | Long-shaft type fused salt Pump Characteristic Test System |
| CN112393447A (en) * | 2020-11-02 | 2021-02-23 | 浙江中控太阳能技术有限公司 | Solar energy light and heat power station fused salt storage device, storage system and light and heat power station |
| CN114087210A (en) * | 2021-11-26 | 2022-02-25 | 江苏飞跃机泵集团有限公司 | Molten salt pump complete equipment with pressure design in tank |
| CN114087210B (en) * | 2021-11-26 | 2023-12-19 | 江苏飞跃机泵集团有限公司 | Molten salt pump complete device with pressure design in tank |
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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 |
Granted publication date: 20141029 Termination date: 20200616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |