CN211701750U - Tower type power generation frequency conversion pump set - Google Patents
Tower type power generation frequency conversion pump set Download PDFInfo
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- CN211701750U CN211701750U CN201922279373.8U CN201922279373U CN211701750U CN 211701750 U CN211701750 U CN 211701750U CN 201922279373 U CN201922279373 U CN 201922279373U CN 211701750 U CN211701750 U CN 211701750U
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- circulation pump
- heat exchanger
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- pump
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Abstract
A tower type power generation frequency conversion pump set. It includes forced circulation pump, auxiliary circulation pump, heat exchanger, external magnetic filter, forced circulation pump lower extreme outer wall one side sets up the auxiliary circulation interface, and forced circulation pump middle section opposite side outer wall is provided with the heat exchange interface, the auxiliary circulation interface is connected with the auxiliary circulation pump top, and the auxiliary circulation pump bottom is passed through the pipeline and is connected with stop valve A, and stop valve A is connected with external magnetic filter one side again, and the external magnetic filter top is passed through the pipeline and is connected with stop valve B, and stop valve B is connected with the heat exchanger bottom again, and the heat exchanger top is connected with the heat exchange interface, the auxiliary circulation interface next door of forced circulation pump still is provided. The utility model discloses but the heat absorbing material of motor in the force circulation pump can reduce motor ambient temperature fast, has avoided pipeline, valve to overhaul the loss that causes the shut down to shut down, and the whole filtration blowdown process of external magnetic filter also need not to shut down the operation.
Description
Technical Field
The utility model relates to a circulating pump technical field particularly, relates to a tower electricity generation frequency conversion pump package.
Background
Solar tower power generation is an applied tower system, which is also called a centralized system. A plurality of large solar reflectors, generally called heliostats, are arranged on a large-area field, each solar reflector is provided with a tracking mechanism respectively to accurately reflect and concentrate sunlight to a receiver at the top of a high tower, and the concentration multiplying power of the receiver can exceed 1000 times. The solar energy absorbed is converted into heat energy, the heat energy is transmitted to a working medium, the heat energy is input into a thermal power machine through a heat storage link, the thermal power machine expands to work, a generator is driven, and finally the heat energy is output in the form of electric energy.
Should select the material that heat transfer and heat accumulation performance are good as the heat accumulation working medium, select for use the steam system to have a lot of advantages, because industry and user are familiar with, have a large amount of industrial design and operation experience, the accessory equipment has also commercialized, to the large capacity system of high temperature, can select sodium to do the transmission working medium, it has good heat conductivility, can work under 3000 KW's heat flux density. The water vapor system has the advantages of large heat, continuous work and long time, and when the circulating pump set is used, the temperature of the pump set motor is quickly raised, so that the temperature of the motor needs to be lowered and kept within a certain temperature, but the currently adopted pump set is slow in cooling speed, cannot be quickly cooled, and cannot meet the requirement of continuous and long-time motor temperature.
SUMMERY OF THE UTILITY MODEL
Problem to among the correlation technique, the utility model provides a tower electricity generation frequency conversion pump package, the heat absorbing material of motor in the force circulation pump to can reduce motor ambient temperature fast, force circulation pump is still direct to be connected with heat exchanger through the bypass interface, has avoided pipeline, valve to overhaul the loss that causes shut down, and external magnetic filter can filter some impurity in the heat absorbing material, and whole filtration blowdown process also need not to shut down the operation.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a tower type power generation frequency conversion pump set, which comprises a forced circulation pump, an auxiliary circulation pump, a heat exchanger and an external magnetic filter, wherein one side of the outer wall of the lower end of the forced circulation pump is provided with an auxiliary circulation interface, the outer wall of the other side of the middle section of the forced circulation pump is provided with a heat exchange interface, the auxiliary circulation interface is connected with the upper part of the auxiliary circulation pump, the bottom of the auxiliary circulation pump is connected with a stop valve A through a pipeline, the stop valve A is connected with one side of the external magnetic filter, the top of the external magnetic filter is connected with a stop valve B through a pipeline, the stop valve B is connected with the bottom of the heat exchanger, the top of the heat exchanger is connected with the heat exchange interface, a bypass interface is arranged beside the auxiliary, and a low-pressure cooling water outlet is arranged above the side wall of the heat exchanger, a low-pressure cooling water inlet is arranged below the side wall, and a discharge pipe is further arranged on a pump shell at the top of the forced circulation pump.
Furthermore, the bottom of the heat exchanger is connected with a water injection valve and a drain valve through pipelines respectively.
The utility model has the advantages that:
the utility model discloses an auxiliary circulating pump carries out the forced circulation with the heat absorbing material of motor in the forced circulation pump, can be fast outside the heat transfer export pump in the motor, thereby can reduce motor ambient temperature fast, the steady operation of motor has been ensured, the forced circulation pump is still directly connected with heat exchanger through the bypass interface, can guarantee the circulation of heat absorbing material and heat exchanger's heat dissipation, the pipeline has been avoided, the valve overhauls the loss that causes the shut down, external magnetic filter can filter some impurity in the heat absorbing material, whole filtration blowdown process also need not to shut down the operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
According to the utility model discloses an embodiment provides a tower electricity generation frequency conversion pump package.
Referring to fig. 1, the system comprises a forced circulation pump 1, an auxiliary circulation pump 2, a heat exchanger 3 and an external magnetic filter 4, wherein an auxiliary circulation interface 5 is arranged on one side of the outer wall of the lower end of the forced circulation pump 1, a heat exchange interface 6 is arranged on the outer wall of the other side of the middle section of the forced circulation pump 1, the auxiliary circulation interface 5 is connected with the upper part of the auxiliary circulation pump 2, the bottom of the auxiliary circulation pump 2 is connected with a stop valve A7 through a pipeline, a stop valve A7 is connected with one side of the external magnetic filter 4, the top of the external magnetic filter 4 is connected with a stop valve B8 through a pipeline, a stop valve B8 is connected with the bottom of the heat exchanger 3, the top of the heat exchanger 3 is connected with the heat exchange interface 6, a bypass interface is further arranged beside the auxiliary circulation, a low-pressure cooling water outlet 10 is arranged above the side wall of the heat exchanger 3, a low-pressure cooling water inlet 11 is arranged below the side wall, the bottom of the heat exchanger 3 is connected with a water injection valve 13 and a blow-down valve 14 through pipelines respectively, and a discharge pipe 12 is arranged on a pump shell at the top of the forced circulation pump 1.
The utility model carries out forced circulation on the heat absorbing material of the motor in the forced circulation pump 1 through the auxiliary circulation pump 2, thus, the heat in the motor can be quickly transferred out of the pump, thereby the environmental temperature of the motor can be quickly reduced, the stable work of the motor is ensured, the heat absorbing material carries out heat exchange through low-pressure cooling water when passing through the heat exchanger 3, the low-pressure cooling water flows from bottom to top, the heat absorbing material flows from top to bottom, the flow directions of the two are opposite, thereby the heat exchanger 3 can quickly exchange the heat of the heat absorbing material, the heat dissipation requirement of the forced circulation heat absorbing material is met, the forced circulation pump 1 is also directly connected with the heat exchanger 3 through a bypass interface, when the pipeline between the auxiliary circulation pump 2 or the auxiliary circulation pump and the heat exchanger 3 and the valve need to be overhauled and closed, the circulation of the heat absorbing material and the heat dissipation of the, the loss of shutdown and shutdown caused by pipeline and valve maintenance is avoided, an external magnetic filter 4 is further arranged between the auxiliary circulating pump 2 and the heat exchanger 3, the external magnetic filter 4 can filter some impurities in the heat absorbing material, the filtered impurities can be discharged at any time through a blowdown valve arranged at the bottom of the external magnetic filter, and the shutdown operation is not needed in the whole filtering and blowdown process.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A tower type power generation frequency conversion pump set is characterized by comprising a forced circulation pump, an auxiliary circulation pump, a heat exchanger and an external magnetic filter, wherein an auxiliary circulation interface is arranged on one side of the outer wall of the lower end of the forced circulation pump, a heat exchange interface is arranged on the outer wall of the other side of the middle section of the forced circulation pump, the auxiliary circulation interface is connected with the upper part of the auxiliary circulation pump, the bottom of the auxiliary circulation pump is connected with a stop valve A through a pipeline, the stop valve A is connected with one side of the external magnetic filter, the top of the external magnetic filter is connected with a stop valve B through a pipeline, the stop valve B is connected with the bottom of the heat exchanger, the top of the heat exchanger is connected with the heat exchange interface, a bypass interface is further arranged beside the auxiliary circulation, and a low-pressure cooling water outlet is arranged above the side wall of the heat exchanger, a low-pressure cooling water inlet is arranged below the side wall, and a discharge pipe is further arranged on a pump shell at the top of the forced circulation pump.
2. Pump group according to claim 1, characterized in that the heat exchanger bottom is also connected, respectively, by means of a pipe, with a water injection valve and a blow-down valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279373.8U CN211701750U (en) | 2019-12-18 | 2019-12-18 | Tower type power generation frequency conversion pump set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922279373.8U CN211701750U (en) | 2019-12-18 | 2019-12-18 | Tower type power generation frequency conversion pump set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211701750U true CN211701750U (en) | 2020-10-16 |
Family
ID=72792256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922279373.8U Active CN211701750U (en) | 2019-12-18 | 2019-12-18 | Tower type power generation frequency conversion pump set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211701750U (en) |
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2019
- 2019-12-18 CN CN201922279373.8U patent/CN211701750U/en active Active
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