CN215260618U - Parallel water chilling unit for hydrogenation station - Google Patents
Parallel water chilling unit for hydrogenation station Download PDFInfo
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- CN215260618U CN215260618U CN202120982948.7U CN202120982948U CN215260618U CN 215260618 U CN215260618 U CN 215260618U CN 202120982948 U CN202120982948 U CN 202120982948U CN 215260618 U CN215260618 U CN 215260618U
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Abstract
The utility model provides a parallel cooling water set for hydrogenation station, including a water tank and two cooling water devices, be equipped with a total water inlet on the water tank, each cooling water device includes an evaporimeter and a refrigerant circulation subassembly, and each evaporimeter links to each other with an equipment that waits to cool off through an outlet pipe, and each evaporimeter through a connecting water pipe with the water tank links to each other, and each refrigerant circulation subassembly includes refrigerant pipe, vapour and liquid separator, compressor, condenser and expansion valve, and two refrigerant pipes are connected respectively on two evaporimeters. The utility model relates to a parallel cooling water set for hydrogenation station's beneficial effect does: the two refrigerant circulating assemblies of the water chilling unit are mutually standby, so that the reliability of the water chilling unit can be improved; when the two devices to be cooled generate smaller heat, the water chilling unit can achieve the cooling effect by starting one compressor, thereby saving energy; two water cooling devices of the water chilling unit share one water tank, so that the floor area of the water cooling device of the hydrogenation station can be reduced, and the construction cost of the hydrogenation station is reduced.
Description
Technical Field
The utility model relates to a hydrogenation station equipment technical field especially relates to a parallel cooling water set for hydrogenation station.
Background
The hydrogenation station is used for hydrogenating a hydrogen energy automobile, and at present, one hydrogenation station usually comprises a plurality of hydrogen superchargers and hydrogenation machines, and the devices can generate a large amount of heat in the hydrogenation process, so that the hydrogenation station needs to be provided with a plurality of water coolers to cool the devices.
When a water cooler of a conventional hydrogenation station cools equipment to be cooled (a hydrogen supercharger, a hydrogenation machine and the like), the equipment to be cooled is cooled in a one-to-one mode, namely, one equipment to be cooled is independently cooled by one water cooler; the problem that exists like this is that, even when the calorific capacity of waiting to cool off equipment is less, the compressor of the cold water machine of being connected with waiting to cool off equipment still need open, can consume a large amount of electric energy like this, adopts the one-to-one form to treat that cool off equipment cools off simultaneously and make the hydrogenation station appear that the cold water machine is too much, and the too big problem of equipment area occupied has increased the construction cost of hydrogenation station.
SUMMERY OF THE UTILITY MODEL
The problems that the occupied area of equipment of a hydrogenation station is too large, the construction cost of the hydrogenation station is too high, and the energy consumption of a water cooler in the hydrogenation process of the hydrogenation station is high are solved. The utility model provides a parallel cooling water set for hydrogenation station, including a water tank and two cooling water installation, be equipped with a total water inlet on the water tank, each cooling water installation includes an evaporimeter and a refrigerant circulation subassembly, each be connected with a connecting water pipe and an outlet pipe on the evaporimeter, two connecting water pipe does not connect in the tip of evaporimeter all connect in on the water tank, two the tip of outlet pipe is not connected in a refrigeration plant respectively and is connected, and is equipped with a circulating pump on each connecting water pipe, and each refrigerant circulation subassembly includes a refrigerant pipe and connects vapour and liquid separator, compressor, condenser and the expansion valve on managing with the refrigerant, and two intraductal all packings of refrigerant have the refrigerant, two the refrigerant pipe is connected respectively on two evaporimeters.
Furthermore, the two condensers are fin condensers, and each condenser further comprises an axial flow fan.
Furthermore, each water outlet pipe is also provided with a temperature sensor which is used for sensing the temperature of the cooling water in the water outlet pipe.
Furthermore, each water outlet pipe is also provided with a flow controller, and the flow controller is used for controlling the flow of the cooling water in the water outlet pipe.
And the control box is electrically connected with the temperature sensors and the two flow controllers and is used for adjusting the flow of the cooling water in the water outlet pipe according to the temperature of the cooling water in the water outlet pipe.
Furthermore, two filter are respectively arranged on the two refrigerant pipes.
The utility model relates to a parallel cooling water set for hydrogenation station's beneficial effect does: (1) the two refrigerant circulating assemblies of the water chilling unit can be mutually standby, and when one refrigerant circulating assembly is damaged, the other refrigerant circulating assembly can still cool the two devices to be cooled. (2) When the two devices to be cooled generate smaller heat, the water chilling unit only needs to start one compressor, so that the energy-saving effect can be achieved. (3) Two water cooling devices of the water chilling unit share one water tank, so that the water chilling unit can reduce the occupied area, save the space and reduce the manufacturing cost.
Drawings
Fig. 1 is a structural diagram of a parallel water chilling unit for a hydrogen station according to an embodiment of the present invention.
In the figure: 1-a water tank, 11-a total water inlet, 2-an evaporator, 21-a water outlet pipe, 22-a connecting water pipe, 23-a circulating pump, 3-a refrigerant pipe, 31-a gas-liquid separator, 32-a compressor, 33-a condenser, 34-an axial flow fan, 35-an expansion valve, 36-a filter and 4-a control box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, a parallel water chilling unit for a hydrogen station includes a water tank 1 and two water chilling devices, both of which are connected to the water tank 1, and the two water chilling devices are also connected to a device to be cooled, respectively, cooling water is filled in the water tank 1, the water tank 1 simultaneously provides cooling water for the two water chilling devices, and the two water chilling devices are respectively used for cooling the device to be cooled connected to the water tank.
Specifically, a total water inlet 11 is arranged on the water tank 1, each water cooling device comprises an evaporator 2 and a refrigerant circulating component connected with the evaporator 2, a connecting water pipe 22 and a water outlet pipe 21 are connected on each evaporator 2, the end parts of the two connecting water pipes 22 which are not connected with the evaporator are connected with the water tank 1, the end parts of the two water outlet pipes 21 which are not connected with the evaporator 1 are respectively connected with a device to be cooled, the device to be cooled is connected with the total water inlet 11 on the water tank 1 through a water return pipe, a circulating pump 23 is arranged on each connecting water pipe 22, when one of the circulating pumps 23 is started, the circulating pump 23 conveys cooling water in the water tank 1 into the device to be cooled which is connected with the water cooling device where the circulating pump 23 is arranged through the water outlet pipe 21, and enables the cooling water to circulate between the device to be cooled and the evaporator 2 and the water tank 1, thereby make the cooling water cool off this equipment of waiting to cool off, when two circulating pumps 23 all start, then this cooling water set cools off two equipment of waiting to cool off simultaneously.
When the water chilling unit cools two devices to be cooled, if the cooling water in the water tank 1 can keep a low-temperature state (namely the temperature of the cooling water in the water tank 1 does not exceed a certain range), the water chilling unit can ensure that the cooling effect on the two devices to be cooled is good.
The refrigerant circulating components of the two water cooling devices are used for dissipating the heat of the cooling water passing through the evaporator 2, thereby ensuring that the temperature of the cooling water in the water tank 1 is maintained at a low temperature, and specifically, each refrigerant circulation assembly includes a refrigerant pipe 3, and a gas-liquid separator 31, a compressor 32, a condenser 33 and an expansion valve 35 connected to the refrigerant pipe, the refrigerant pipe 3 contains a refrigerant, and both ends of the refrigerant pipe 3 are connected to the same evaporator 2, the compressor 32 is used for circulating the refrigerant in the refrigerant pipe 3, in the circulation process, the refrigerant is evaporated into a gas state when passing through the evaporator 2, absorbs the heat of the cooling water, is condensed into a liquid state when passing through the condenser 33, thereby releasing the heat of the absorbed cooling water, and further achieving the effect of dissipating the heat of the cooling water and keeping the cooling water in a low temperature state all the time.
Further, the two condensers 33 are fin condensers, each condenser 33 further includes an axial flow fan 34, and the axial flow fan 34 is configured to quickly dissipate heat of a refrigerant passing through the condenser, so as to ensure a condensing effect thereof.
Furthermore, the water chilling unit further comprises a control box 4, each water outlet pipe 21 is further provided with a temperature sensor for measuring the temperature of cooling water and a flow controller for controlling the flow of the cooling water in the water outlet pipe, the control box 4 is electrically connected with the two temperature sensors and the two flow controllers, and the control box 4 is used for adjusting the flow of the cooling water in the water outlet pipe 21 according to the temperature of the cooling water in the water outlet pipe 21, so that the cooling water entering the equipment to be cooled is guaranteed to be in a low-temperature state.
Furthermore, two of the refrigerant pipes 3 are respectively provided with a filter 36 for filtering impurities in the refrigerant.
The utility model relates to a parallel cooling water set's for hydrogenation station working process does: when a device to be cooled needs to be cooled, the circulating pump 23 and the compressor 32 of the water cooling device connected with the cooling device are started, at this time, the circulating pump 23 inputs cooling water in the water tank 1 into the device to be cooled to cool the device, and meanwhile, the compressor 32 circulates a refrigerant in the refrigerant pipe 3 of the water cooling device connected with the cooling device, so that the temperature of the cooling water is reduced, and the temperature of the cooling water in the water tank 1 is kept in a low-temperature state.
After the above-mentioned one cooling device is started, if another device to be cooled needs to be cooled, only the circulation pump 23 of another cooling water device is started first to cool the other device to be cooled. If the two cooling devices have small heat productivity, only one refrigerant circulating assembly is started, so that the effect of radiating the two devices to be cooled can be achieved through the refrigerant circulating assembly, and the purpose of energy conservation is achieved.
If the two devices to be cooled have large heat productivity, the compressor 32 of the other refrigerant circulation component is started after the water temperature of the cooling water in the water tank 1 reaches a preset value, so as to ensure the cooling effect of the water cooling unit on the two devices to be cooled.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A parallel cooling water set for a hydrogenation station is characterized in that: the water tank is provided with a total water inlet, each water cooling device comprises an evaporator and a refrigerant circulating assembly, each evaporator is connected with a connecting water pipe and a water outlet pipe, the end part of the connecting water pipe, which is not connected to the evaporator, is connected to the water tank, the end part of the water outlet pipe, which is not connected to the evaporator, is connected to a device to be cooled, each connecting water pipe is provided with a circulating pump, each refrigerant circulating assembly comprises a refrigerant pipe, a gas-liquid separator, a compressor, a condenser and an expansion valve, which are connected to the refrigerant pipe, the refrigerant pipes are filled with refrigerants, and the refrigerant pipes are connected to the two evaporators respectively.
2. A parallel chiller plant for a hydrogen refueling station as set forth in claim 1, wherein: and the two condensers are fin condensers, and each condenser further comprises an axial flow fan.
3. A parallel chiller plant for a hydrogen refueling station as set forth in claim 1, wherein: each water outlet pipe is also provided with a temperature sensor which is used for sensing the temperature of the cooling water in the water outlet pipe.
4. A parallel chiller plant for a hydrogen refueling station as set forth in claim 3, wherein: and each water outlet pipe is also provided with a flow controller, and the flow controller is used for controlling the flow of the cooling water in the water outlet pipe.
5. A parallel water chilling unit for a hydrogen refueling station according to claim 4, characterized in that: the control box is electrically connected with the temperature sensors and the flow controllers and used for adjusting the flow of the cooling water in the water outlet pipe according to the temperature of the cooling water in the water outlet pipe.
6. A parallel chiller plant for a hydrogen refueling station as set forth in claim 1, wherein: and the two refrigerant pipes are respectively provided with a filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120982948.7U CN215260618U (en) | 2021-05-10 | 2021-05-10 | Parallel water chilling unit for hydrogenation station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120982948.7U CN215260618U (en) | 2021-05-10 | 2021-05-10 | Parallel water chilling unit for hydrogenation station |
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| Publication Number | Publication Date |
|---|---|
| CN215260618U true CN215260618U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120982948.7U Active CN215260618U (en) | 2021-05-10 | 2021-05-10 | Parallel water chilling unit for hydrogenation station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838514A (en) * | 2022-04-24 | 2022-08-02 | 武汉中极氢能源发展有限公司 | Water chilling unit of hydrogenation station |
-
2021
- 2021-05-10 CN CN202120982948.7U patent/CN215260618U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838514A (en) * | 2022-04-24 | 2022-08-02 | 武汉中极氢能源发展有限公司 | Water chilling unit of hydrogenation station |
| CN114838514B (en) * | 2022-04-24 | 2024-06-25 | 武汉中极氢能源发展有限公司 | Water chilling unit of hydrogen adding station |
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