CN213238139U - Device for reducing energy consumption of refrigerator - Google Patents
Device for reducing energy consumption of refrigerator Download PDFInfo
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- CN213238139U CN213238139U CN202021454624.8U CN202021454624U CN213238139U CN 213238139 U CN213238139 U CN 213238139U CN 202021454624 U CN202021454624 U CN 202021454624U CN 213238139 U CN213238139 U CN 213238139U
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- ammonia
- heat exchanger
- circulating water
- temperature
- refrigerator
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Abstract
The utility model relates to a carbon dioxide production facility technical field specifically is a device for refrigerator reduces energy consumption, including CO2Temperature reduction mechanism and coolingMechanism, wherein said CO2Cooling mechanism, cooling body all pass through 2 heat exchanges of heat exchanger, the utility model discloses reduce the refrigerant load, solved present in carbon dioxide production technology, it is great because of the temperature receives ambient temperature to influence, and lead to the ammonia liquefaction slower, liquid ammonia storage tank pressure is high, and the liquefied liquid ammonia temperature is high, and ice maker refrigeration effect is poor, increases the refrigerator load, increases the problem of power consumption manufacturing cost.
Description
Technical Field
The utility model relates to a carbon dioxide production facility technical field specifically is a device for refrigerator reduces energy consumption.
Background
At present, in the production process of carbon dioxide, the liquefaction process of gas must depend on a refrigerant, a refrigerating machine generally selects ammonia gas as the refrigerant, the liquefaction process of the ammonia gas compressed by a compressor generally adopts a form of a circulating water tank and a cooling tower to liquefy the ammonia gas, and the liquefaction effect depends on the water temperature. The water temperature is greatly influenced by the ambient temperature, particularly the temperature in summer is high, the water temperature is high, the ammonia gas is slowly liquefied, the pressure of the liquid ammonia storage tank is high, and the liquefied liquid ammonia is high in temperature, so that the refrigerating effect of an ice machine is poor, the load of a refrigerating machine is increased, the power consumption and the production cost are increased, and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a device for reducing energy consumption of a refrigerator, which solves the problems that in the current carbon dioxide production process, ammonia gas is slowly liquefied due to the fact that the water temperature is greatly influenced by the environmental temperature, the pressure of a liquid ammonia storage tank is high, the temperature of liquefied liquid ammonia is high, the refrigerating effect of an ice machine is poor, the load of the refrigerator is increased, and the production cost of electricity consumption is increased.
For solving above technical problem, the utility model provides a technical scheme is a device for refrigerator reduces energy consumption, its characterized in that: comprising CO2A cooling mechanism, wherein the CO2The cooling mechanism and the cooling mechanism exchange heat through the heat exchanger 2.
One of the devices for reducing energy consumption of refrigerator, CO2Cooling mechanismIncluding drying tower precision filter 1, heat exchanger 2, rectifying column 3, ammonia ice maker 8, ammonia distributor 10, liquid ammonia storage tank 9, wherein drying tower precision filter 1 bottom intercommunication sets up the pipeline, the pipeline runs through heat exchanger 2 and rectifying column 3 intercommunication, rectifying column 3 pass through pipeline and ammonia ice maker 8 intercommunication, ammonia ice maker 8 pass through ammonia distributor 10 and liquid ammonia storage tank 9 intercommunication.
In one of the devices for reducing energy consumption of the refrigerator, the ammonia gas distributor 10 is disposed on the upper surface of the circulating water tank 5.
In the device for reducing the energy consumption of the refrigerator, the circulating water pool 5 is arranged at the bottom of the cooling tower 7.
One of the devices for reducing energy consumption of the refrigerator is that the cooling mechanism comprises low-temperature liquid CO2A storage tank 4, a heat exchanger 2, a circulating water pool 5 and an emptying pipe 6, wherein the low-temperature liquid CO2The one end intercommunication of storage tank 4 sets up the pipeline, the pipeline runs through the one end intercommunication of cooling coil 11 in heat exchanger 2 and the circulating water pond 5, blow-down pipe 6 inserts perpendicularly in the circulating water pond 5, just blow-down pipe 6 inserts the bottom in the circulating water pond 5 and cooling coil 11's the other end intercommunication.
The heat exchanger 2 is a plate type heat exchanger.
Compared with the prior art, the detailed description of the application is as follows:
the utility model discloses an utilize cryogenic liquids CO2The low-temperature gas discharged from the storage tank due to the pressure rise enters the CO in front of the rectifying tower through the plate heat exchanger2The gas is cooled, and the addition of liquid ammonia is reduced by reducing the temperature of the gas entering the rectifying tower, so that the load of a refrigerating machine is reduced; then the low-temperature gas at the outlet of the plate heat exchanger is connected into a cooling coil of a circulating water pool to cool the water in the circulating water pool, so that the ammonia liquefaction speed is increased, the liquid ammonia temperature is reduced, and the load of the refrigerator is reduced again; the system has good refrigeration effect and reduces the whole operating pressure of the production system, thereby leading CO to be2The load of the compressor is also reduced, and the power consumption cost of the whole production system is reduced.
The utility model discloses simple structure, convenient operation has improved work efficiency, has practiced thrift the energy consumption.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, the drying tower precision filter 1, the heat exchanger 2, the rectifying tower 3 and the low-temperature liquid CO2The device comprises a storage tank 4, a circulating water tank 5, an emptying pipe 6, a cooling tower 7, an ammonia ice maker 8, a liquid ammonia storage tank 9, an ammonia distributor 10 and a cooling coil 11.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.
Example, as shown in fig. 1: an apparatus for reducing energy consumption of a refrigerator comprising CO2A cooling mechanism, wherein the CO2The cooling mechanism and the cooling mechanism exchange heat through the heat exchanger 2.
Said CO2The cooling mechanism comprises a drying tower precision filter 1, a heat exchanger 2, a rectifying tower 3, an ammonia ice maker 8, an ammonia gas distributor 10 and a liquid ammonia storage tank 9, wherein the bottom of the drying tower precision filter 1 is communicated with a pipeline, the pipeline penetrates through the heat exchanger 2 and is communicated with the rectifying tower 3, the rectifying tower 3 is communicated with the ammonia ice maker 8 through a pipeline, and the ammonia ice maker 8 is communicated with the liquid ammonia storage tank 9 through the ammonia gas distributor 10; the ammonia distributor 10 is arranged on the upper surface of the circulating water tank 5, the circulating water tank 5 is arranged at the bottom of the cooling tower 7, and the cooling mechanism comprises low-temperature liquid CO2A storage tank 4, a heat exchanger 2, a circulating water pool 5 and an emptying pipe 6, wherein the low-temperature liquid CO2The one end intercommunication of storage tank 4 sets up the pipeline, the pipeline runs through the one end intercommunication of cooling coil 11 in heat exchanger 2 and the circulating water pond 5, blow-down pipe 6 inserts perpendicularly in the circulating water pond 5, just blow-down pipe 6 inserts the bottom in the circulating water pond 5 and cooling coil 11's the other end intercommunication.
The heat exchanger 2 is specifically a plate heat exchanger.
The utility model discloses CO that comes out through drying tower precision filter 12Gases and cryogenic liquidsCO2Cryogenic gas (temperature of cryogenic gas) vented from storage tank 4<Heat exchange is carried out at-25 ℃ by a plate heat exchanger 2 to lead CO2The gas enters the rectifying tower 3 for cooling and liquefaction after the temperature of the gas is reduced, and the process can reduce the CO entering the rectifying tower 32Gas temperature, reducing refrigerant and CO2The gas heat exchange quantity is reduced, thereby reducing the addition of liquid ammonia and reducing the load of an ice machine.
Low temperature CO exiting heat exchanger 22The gas enters a cooling coil 11 of a circulating water tank 5 through a pipeline, the gas after heat exchange is discharged through a discharge pipeline 6, and the circulating water cooled by a cooling tower 7 can be further cooled in the process, so that high-temperature ammonia gas from a refrigerator is rapidly liquefied, and the temperature of the liquid ammonia is reduced; the decrease in liquid ammonia temperature increases the refrigerant and CO2The heat exchange amount of gas, the addition amount of liquid ammonia and the load of an ice machine are reduced.
By the reaction of CO2The cooling of the gas and the circulating water reduces the load of the ice maker, reduces the operating pressure of the system and also reduces the CO2Compressor load is reduced, thereby enabling CO2The power consumption of the compressor and the refrigerator is reduced, and the purposes of energy conservation and consumption reduction are achieved.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims.
Claims (5)
1. An apparatus for reducing energy consumption of a refrigerator, characterized by: comprising CO2A cooling mechanism, wherein the CO2The cooling mechanism and the cooling mechanism exchange heat through the heat exchanger (2), and the CO exchanges heat2The cooling mechanism comprises a drying tower precision filter (1), a heat exchanger (2), a rectifying tower (3), an ammonia ice maker (8), an ammonia distributor (10) and a liquid ammonia storage tank (9), wherein the bottom of the drying tower precision filter (1) is communicated with a pipeline, the pipeline penetrates through the heat exchanger (2) and the rectifying tower (3) and is communicated with the rectifying tower (3), the rectifying tower (3) is communicated with the ammonia ice maker (8) through the pipeline, and the ammonia ice maker (8) is communicated with the liquid ammonia storage tank (9) through the ammonia distributor (10).
2. An apparatus for reducing power consumption of a refrigerator according to claim 1, wherein: the ammonia distributor (10) is arranged on the upper surface of the circulating water tank (5).
3. An apparatus for reducing power consumption of a refrigerator according to claim 2, wherein: the circulating water pool (5) is arranged at the bottom of the cooling tower (7).
4. An apparatus for reducing power consumption of a refrigerator according to claim 1, wherein: the cooling mechanism comprises a cryogenic liquid CO2A storage tank (4), a heat exchanger (2), a circulating water pool (5) and a blow-down pipe (6), wherein the low-temperature liquid CO2The one end intercommunication of storage tank (4) sets up the pipeline, the pipeline runs through the one end intercommunication of cooling coil (11) in heat exchanger (2) and circulating water pond (5), blow-down pipe (6) insert perpendicularly in circulating water pond (5), just blow-down pipe (6) insert the other end intercommunication of bottom and cooling coil (11) in circulating water pond (5).
5. An apparatus for reducing power consumption of a refrigerator according to claim 1, wherein: the heat exchanger (2) is a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454624.8U CN213238139U (en) | 2020-07-22 | 2020-07-22 | Device for reducing energy consumption of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021454624.8U CN213238139U (en) | 2020-07-22 | 2020-07-22 | Device for reducing energy consumption of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213238139U true CN213238139U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021454624.8U Active CN213238139U (en) | 2020-07-22 | 2020-07-22 | Device for reducing energy consumption of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213238139U (en) |
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2020
- 2020-07-22 CN CN202021454624.8U patent/CN213238139U/en active Active
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