CN213931568U - Refrigerating machine and free cold source conversion device - Google Patents
Refrigerating machine and free cold source conversion device Download PDFInfo
- Publication number
- CN213931568U CN213931568U CN202023341087.9U CN202023341087U CN213931568U CN 213931568 U CN213931568 U CN 213931568U CN 202023341087 U CN202023341087 U CN 202023341087U CN 213931568 U CN213931568 U CN 213931568U
- Authority
- CN
- China
- Prior art keywords
- communication pipeline
- outlet pipe
- refrigerator
- communication
- water pump
- 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.)
- Active
Links
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a conversion device for a refrigerator and a free cold source, wherein an evaporator is communicated and connected with a load device through a first communicating pipeline water outlet pipe and a first communicating pipeline water inlet pipe, and a condenser is communicated and connected with a cooling tower through a second communicating pipeline water outlet pipe and a second communicating pipeline water inlet pipe; the first communicating pipeline water outlet pipe and the second communicating pipeline water outlet pipe are communicated and connected through a third communicating pipeline, and the first communicating pipeline water inlet pipe and the second communicating pipeline water inlet pipe are communicated and connected through a fourth communicating pipeline; and a third water pump is also arranged between the first communication pipeline water outlet pipe and the first communication pipeline water inlet pipe through pipeline communication. When the free cold source is enough to supply cold to the load device, the third electric valve is closed, the first electric valve and the second electric valve are opened, the load device and the cooling tower form a circulation loop to cool, and when the refrigerator is completely unloaded, the second water pump and the third water pump are closed, so that the energy consumption is reduced, and the seamless switching between the refrigerator and the free cold source is realized under the condition that the equipment is not shut down.
Description
Technical Field
The utility model relates to a refrigeration technology field, in particular to refrigerator and free cold source conversion equipment.
Background
China is a country with energy shortage and a large country with energy consumption. Economic growth and rapid development of urbanization present a serious challenge to the way energy is supplied and utilized.
Industrial refrigeration usually needs to be continuously operated all year round, but due to the continuous characteristic of industrial production, even under the condition of low outdoor temperature in winter, free cooling cannot be switched to, and only a refrigerator is used for refrigeration all the time, so that great energy waste is caused. Individual factories want to use free cold sources to only pause the refrigerators, and free cold supply switching is performed at the cost of sacrificing production continuity, which seriously affects production efficiency.
Disclosure of Invention
The utility model aims at solving the technical deficiencies, provide a simple structure, convenient operation, enable refrigerator and free cold source and realize seamless switching's conversion equipment.
Therefore, the utility model provides a refrigerator and free cold source conversion equipment, it is equipped with refrigerator and cooling tower, the refrigerator includes evaporimeter and condenser, the both ends of evaporimeter are connected with the load device through first intercommunication pipeline outlet pipe, first intercommunication pipeline inlet tube respectively, first intercommunication pipeline outlet pipe is equipped with first water pump, the both ends of condenser are connected with the cooling tower through second intercommunication pipeline outlet pipe, second intercommunication pipeline inlet tube respectively, second intercommunication pipeline outlet pipe is equipped with the second water pump; the first communicating pipeline water outlet pipe is communicated and connected with the second communicating pipeline water outlet pipe through a third communicating pipeline, the first communicating pipeline water inlet pipe is communicated and connected with the second communicating pipeline water inlet pipe through a fourth communicating pipeline, the third communicating pipeline is provided with a first electric valve, and the fourth communicating pipeline is provided with a second electric valve; the first communication pipeline water outlet pipe is also provided with a third electric valve, the third electric valve is arranged in front of a connection point of the first communication pipeline water outlet pipe and a third communication pipeline, a third water pump is arranged between the first communication pipeline water outlet pipe and the first communication pipeline water inlet pipe through pipeline communication, and the third water pump is arranged at the front end of the third electric valve.
Preferably, when the refrigerator is used for refrigerating, the evaporator, the first water pump and the load device form a circulation loop through the first communication pipeline water outlet pipe and the first communication pipeline water inlet pipe, and the condenser, the cooling tower and the second water pump form a circulation loop through the second communication pipeline water outlet pipe and the second communication pipeline water inlet pipe.
Preferably, when the cooling tower supplies cold, the cooling tower, the first water pump and the load device form a circulation loop through the second communication pipeline water outlet pipe, the third communication pipeline, the first communication pipeline water outlet pipe, the first communication pipeline water inlet pipe, the fourth communication pipeline and the second communication pipeline water inlet pipe.
Preferably, the first water pump is arranged behind a connection point of the first communication pipeline water outlet pipe and the third communication pipeline.
Preferably, the second water pump is arranged behind a connection point of the water outlet pipe of the second communication pipeline and the third communication pipeline.
The utility model provides a refrigerator and free cold source conversion equipment has following beneficial effect:
when the refrigeration of the refrigerator is converted into the free cold source cooling, the refrigerator is closed, the first electric valve and the second electric valve are opened, the third electric valve is closed at the same time, and the third water pump is started. The cooling tower, the first water pump and the load device form a circulation loop through a second communication pipeline water outlet pipe, a third communication pipeline, a first communication pipeline water outlet pipe, a first communication pipeline water inlet pipe, a fourth communication pipeline and a second communication pipeline water inlet pipe, and cooling water in the cooling tower flows through the load device to supply cold and cool for the load device under the action of the first water pump, so that seamless switching of free cold sources and refrigerator cold supply is completed. And after the refrigerator completely stops running, the second water pump and the third water pump are closed to reduce the overall energy consumption of the equipment, and the free cold source cooling is not influenced.
When the free cold source cannot meet the cold supply requirement of the load device, the refrigerator is started again, the second water pump and the third water pump are opened, the third electric valve is opened after the refrigerator runs in advance to reach the cold supply condition for the load device, the first electric valve and the second electric valve are closed, and the third water pump is closed at the same time. At the moment, the evaporator, the first water pump and the load device form a circulation loop through the first communication pipeline water outlet pipe and the first communication pipeline water inlet pipe, the condenser, the cooling tower and the second water pump form a circulation loop through the second communication pipeline water outlet pipe and the second communication pipeline water inlet pipe, cooling water is cooled by the refrigerator and then supplies cold to the load device under the action of the first water pump, and seamless switching between the refrigerator and free cold supply is achieved.
In the whole process, the load device does not need to be stopped, seamless switching between refrigeration of the refrigerator and a free cold source can be realized, and the temperature of the load device cannot fluctuate, so that stable and continuous production is ensured, the production efficiency is improved, the energy consumption is reduced, and the free cold supply is fully utilized with lower investment.
In the actual operation process, in the Yangtze river basin area, data statistics is carried out for 12 months to 3 months, energy consumption saving can be 30%, the energy consumption saving is more obvious along with the increase of the latitude and can even reach 50%, and the production cost of an enterprise is reduced while the sustainable development requirement is met.
Drawings
FIG. 1 is a schematic structural diagram of a circulation loop for cooling a refrigerator according to the present invention;
FIG. 2 is a schematic structural diagram of a circulation loop during shutdown and unloading of the refrigerator according to the present invention;
fig. 3 is a schematic structural diagram of the circulation loop when the free cold source of the present invention supplies cold.
The labels in the figure are: 1. the system comprises an evaporator, 2, a condenser, 3, a cooling tower, 4, a load device, 5, a first communication pipeline water outlet pipe, 6, a first communication pipeline water inlet pipe, 7, a first water pump, 8, a second communication pipeline water outlet pipe, 9, a second communication pipeline water inlet pipe, 10, a second water pump, 11, a third communication pipeline, 12, a fourth communication pipeline, 13, a first electric valve, 14, a second electric valve, 15, a third electric valve and 16, and further comprises a load device, a load device and a load device.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.
By shown in fig. 1-3, the utility model provides a refrigerator and free cold source conversion equipment, it is equipped with refrigerator and cooling tower 3, and the refrigerator includes evaporimeter 1 and condenser 2, and the both ends of evaporimeter 1 are connected with load device 4 intercommunication through first intercommunication pipeline outlet pipe 5, first intercommunication pipeline inlet tube 6 respectively for to the cooling of load device 4 refrigeration, first intercommunication pipeline outlet pipe 5 is equipped with first water pump 7. The two ends of the condenser 2 are respectively communicated with the cooling tower 3 through a second communication pipeline water outlet pipe 8 and a second communication pipeline water inlet pipe 9, the second communication pipeline water outlet pipe 8 is provided with a second water pump 10, and under the action of the second water pump 10, cooling water in the cooling tower 3 is used for circularly cooling the condenser 2. The first communicating pipeline water outlet pipe 5 is communicated and connected with the second communicating pipeline water outlet pipe 8 through a third communicating pipeline 11, the first communicating pipeline water inlet pipe 6 is communicated and connected with the second communicating pipeline water inlet pipe 9 through a fourth communicating pipeline 12, and the cooling tower 3 and the load device 4 are communicated into a circulating loop. The third communicating pipeline 11 is provided with a first electric valve 13, the fourth communicating pipeline 12 is provided with a second electric valve 14, the first communicating pipeline water outlet pipe 5 is further provided with a third electric valve 15, and the third electric valve 15 is arranged in front of a connecting point of the first communicating pipeline water outlet pipe 5 and the third communicating pipeline 11, so that the communication and the cut-off of the refrigerating machine and the circulation loop of the load device 4 are conveniently controlled, and the communication of the cooling tower 3 and the circulation loop of the load device 4 is not influenced. A third water pump 16 and a one-way valve for controlling the pipeline to be communicated or disconnected are further arranged between the first communication pipeline water outlet pipe 5 and the first communication pipeline water inlet pipe 6 through pipelines, the third water pump 16 and the one-way valve are connected in series at the front end of the third electric valve 15, and the third water pump 16 and the one-way valve are synchronously opened and closed. The third water pump 16 is provided to play a role in buffering when the refrigerator and the free cold source are switched, so that the operation of the refrigerator during unloading and the preparation before restarting are ensured, and the load device 4 can realize the conversion between the refrigerator and the free cold source without stopping.
When the refrigerator supplies cold to the load device 4, the first electric valve 13 and the second electric valve 14 are closed, the third electric valve 15 is opened, the first water pump 7 and the second water pump 10 are operated, and the third water pump 16 is closed. The evaporator 1, the first water pump 7 and the load device 4 form a circulation loop through a first communication pipeline water outlet pipe 5 and a first communication pipeline water inlet pipe 6; the cooling water is cooled by the evaporator 1 under the action of the first water pump 7 and then supplies cold to the load device 4. The operation of the second water pump 10 enables the condenser 2, the second communicating pipeline water inlet pipe 9, the cooling tower 3 and the second communicating pipeline water outlet pipe 8 to form a circulating loop for cooling the condenser 2, and the effective operation of the refrigerator is guaranteed.
When the cooling tower 3 supplies cold to the load device 4, the refrigerator stops operating, the first electric valve 13 and the second electric valve 14 are opened, the third electric valve 15 is closed, the first water pump 7 operates, and the second water pump 10 and the third water pump 16 are closed. The cooling tower 3, the second communicating pipeline outlet pipe 8, the third communicating pipeline 11, the first communicating pipeline outlet pipe 5, the first water pump 7, the load device 4, the first communicating pipeline inlet pipe 6, the fourth communicating pipeline 12 and the second communicating pipeline inlet pipe 9 form a circulation loop, cooling water in the cooling tower 3 flows through the load device 4 under the action of the first water pump 7 to cool the load device 4, and cooling circulation of a free cold source is completed.
Furthermore, the first water pump 7 is arranged behind the connection point of the first communication pipeline water outlet pipe 5 and the third communication pipeline 11, so that the effective operation of the circulating loop formed by the refrigerating machine, the cooling tower 3 and the load device 4 is controlled conveniently.
Furthermore, the second water pump 10 is arranged behind a connection point of the second communication pipeline water outlet pipe 8 and the third communication pipeline 11, so that the cooling of the refrigerator is convenient to ensure when the refrigerator is stopped and unloaded, the second water pump 10 is closed after the refrigerator is completely stopped, the production energy consumption is reduced, and the cold supply of a free cold source is not influenced.
The utility model discloses a working process does:
when the outdoor temperature and humidity are not enough and the cooling tower 3 cannot be started to supply cold to the load device 4, the third electric valve 15 is opened, the first electric valve 13 and the second electric valve 14 are closed, the refrigerator, the first water pump 7 and the second water pump 10 are started, and at the moment, the third water pump 16 and the one-way valve are in a closed state. The first water pump 7 operates, cooling water is cooled by the evaporator 1 under the action of the first water pump 7 and continuously supplies cold to the load device 4, and the second water pump 10 operates to ensure the effective operation of the refrigerator.
When the detected temperature and humidity outside the cooling tower are sufficiently low and a free cold source can meet the cooling requirement of the load device 4, the control system controls the fan of the cooling tower 3 to work at full speed, so that the temperature of the cooling water in the cooling tower 3 is reduced to the temperature required by the load device 4. The refrigerator is closed, the first electric valve 13 and the second electric valve 14 are opened, the third electric valve 15 is closed, the check valve is opened, and the third water pump 16 is started. At this time, the cooling tower 3, the second communicating pipeline water outlet pipe 8, the third communicating pipeline 11, the first communicating pipeline water outlet pipe 5, the first water pump 7, the load device 4, the first communicating pipeline water inlet pipe 6, the fourth communicating pipeline 12 and the second communicating pipeline water inlet pipe 9 form a circulation loop, cooling water in the cooling tower 3 flows through the load device 4 under the action of the first water pump 7 to cool the load device 4, and cooling circulation of a free cold source is completed. In the process of stopping and unloading the refrigerator, the second water pump 10 operates to circulate part of cooling water in the water outlet pipe 8 of the second communication pipeline to the condenser 2 to cool the condenser 2; the third water pump 16 operates to enable the evaporator 1 and the third water pump 16 to form a small circulation, so that cooling water in the pipe flows to cool the evaporator 1, the residual cooling capacity of the refrigerator is brought out, and the second water pump 10, the third water pump 16 and the one-way valve are closed after the refrigerator completely stops operating, so that the overall energy consumption of the equipment is reduced, and meanwhile, the seamless conversion from the refrigerator to a free cold source is met.
When the free cold source cannot meet the cooling requirement of the load device 4, the refrigerator is started again, the second water pump 10, the one-way valve and the third water pump 16 are opened, the refrigerator is enabled to run in advance to reach the condition of cooling the load device 4, the third electric valve 15 is opened, the first electric valve 13 and the second electric valve 14 are closed, the one-way valve and the third water pump 16 are closed at the same time, the refrigerator is switched again to supply cooling to the load device 4, and the next round of circulation is started.
In the whole process, the load device 4 does not need to be stopped, seamless switching between refrigeration of the refrigerator and free cold source cold supply can be realized, and the temperature of the load device 4 cannot fluctuate, so that stable and continuous production is ensured, the production efficiency is improved, and the energy consumption is reduced.
In the actual operation process, in the Yangtze river basin area, data statistics is carried out for 12 months to 3 months, energy consumption saving can be 30%, the energy consumption saving is more obvious along with the increase of the latitude and can even reach 50%, and the production cost of an enterprise is reduced while the sustainable development requirement is met.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.
Claims (5)
1. A refrigerator and free cold source conversion device is provided with a refrigerator and a cooling tower, wherein the refrigerator comprises an evaporator and a condenser, and is characterized in that two ends of the evaporator are respectively communicated and connected with a load device through a first communication pipeline water outlet pipe and a first communication pipeline water inlet pipe; the first communication pipeline water outlet pipe is communicated and connected with the second communication pipeline water outlet pipe through a third communication pipeline, the first communication pipeline water inlet pipe is communicated and connected with the second communication pipeline water inlet pipe through a fourth communication pipeline, the third communication pipeline is provided with a first electric valve, and the fourth communication pipeline is provided with a second electric valve; the first communication pipeline water outlet pipe is further provided with a third electric valve, the third electric valve is arranged in front of a connection point of the first communication pipeline water outlet pipe and the third communication pipeline, a third water pump is further arranged between the first communication pipeline water outlet pipe and the first communication pipeline water inlet pipe in a pipeline communication mode, and the third water pump is arranged at the front end of the third electric valve.
2. A refrigerator and free cold source conversion device as claimed in claim 1, wherein when the refrigerator is refrigerating, the evaporator, the first water pump and the load device form a circulation loop through the first communication pipe outlet pipe and the first communication pipe inlet pipe, and the condenser, the cooling tower and the second water pump form a circulation loop through the second communication pipe outlet pipe and the second communication pipe inlet pipe.
3. The refrigerator and free cold source conversion device as claimed in claim 1, wherein when the cooling tower is used for cooling, the cooling tower, the first water pump and the load device form a circulation loop through the second communication pipeline, the third communication pipeline, the first communication pipeline water inlet pipe, the fourth communication pipeline and the second communication pipeline water inlet pipe.
4. The refrigerator and free cold source conversion device as claimed in claim 1, wherein the first water pump is disposed behind a connection point of the first communication pipeline water outlet pipe and the third communication pipeline.
5. The refrigerator and free cold source conversion device as claimed in claim 1, wherein the second water pump is disposed behind a connection point of the second communication pipeline water outlet pipe and the third communication pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341087.9U CN213931568U (en) | 2020-12-31 | 2020-12-31 | Refrigerating machine and free cold source conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023341087.9U CN213931568U (en) | 2020-12-31 | 2020-12-31 | Refrigerating machine and free cold source conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213931568U true CN213931568U (en) | 2021-08-10 |
Family
ID=77157076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023341087.9U Active CN213931568U (en) | 2020-12-31 | 2020-12-31 | Refrigerating machine and free cold source conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213931568U (en) |
-
2020
- 2020-12-31 CN CN202023341087.9U patent/CN213931568U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201193860Y (en) | Economically operating centralized air conditioning system | |
| CN205208814U (en) | Two source refrigeration stations of energy -saving integration | |
| CN104791925A (en) | Energy-saving type open cold supply system for cooling tower | |
| CN204555111U (en) | Energy-saving open cooling tower cold supply system | |
| CN207797279U (en) | A kind of hydrate accumulation of energy Air Conditioning System with Heat for data center module | |
| CN102345910B (en) | Water cool storage air conditioning system with indirect cool storage | |
| CN216123342U (en) | Data center mixes cold source economizer system | |
| CN213931568U (en) | Refrigerating machine and free cold source conversion device | |
| CN105387546A (en) | Integrated double-source freezing station and refrigerating method | |
| CN203464414U (en) | Dynamic ice-storage system in two preheating modes | |
| CN201028702Y (en) | Low-energy consumption lithium bromide central refrigerating equipment | |
| CN209013390U (en) | The energy-efficient energy switches refrigeration system | |
| CN204388264U (en) | A kind of central air-conditioning water-circulating energy-saving system | |
| CN112629079A (en) | Refrigerating machine and free cold source conversion device and control method | |
| CN216744695U (en) | Energy supply system of air compressor machine waste heat, ground source heat pump and energy storage coupling | |
| CN104236199A (en) | High-efficient energy-saving refrigerator system and comprehensive application technology in production | |
| CN212930316U (en) | Modular integrated water chilling unit | |
| CN109442802B (en) | Double-effect cold water unit cold and heat combined supply system | |
| CN216790609U (en) | Energy-saving industrial cold water supply system | |
| CN2563518Y (en) | Electric refrigerator | |
| CN202281412U (en) | Anti-corrosion water chiller with power consumption of zero in winter | |
| CN220229608U (en) | Energy-saving water chilling unit | |
| CN212842457U (en) | Refrigeration plant of low energy consumption | |
| CN213983867U (en) | Multi-cold-source conversion device for data machine room | |
| CN203410002U (en) | Cooling device of re-granulating machine set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |