CN212157743U - Refrigerating system with self-adjusting function - Google Patents
Refrigerating system with self-adjusting function Download PDFInfo
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- CN212157743U CN212157743U CN202020464320.3U CN202020464320U CN212157743U CN 212157743 U CN212157743 U CN 212157743U CN 202020464320 U CN202020464320 U CN 202020464320U CN 212157743 U CN212157743 U CN 212157743U
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- temperature refrigerant
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Abstract
A refrigeration system with a self-regulation function comprises an ice maker 1, a first buffer tank 2, a first delivery pump 3 and a heat exchanger 4, wherein the ice maker 1 is used for refrigerating a high-temperature refrigerant into a low-temperature refrigerant; the first buffer tank 2 is connected with the ice maker 1 and used for containing the low-temperature refrigerant; the first delivery pump 3 is connected with the first buffer tank 2 and is used for delivering a low-temperature refrigerant to the heat exchanger 4; the heat exchanger 4 is respectively connected with the ice maker 1 and the first delivery pump 3, and is used for acquiring a low-temperature refrigerant from the first delivery pump 3, completing heat exchange, and returning the high-temperature refrigerant to the ice maker. The utility model ensures the stable pressure in the closed loop pipeline and the stable coping with the load change by arranging the first buffer tank; the first buffer tank and the second buffer tank are arranged at the same time, so that the pressure stability of the annular pipeline is further improved; the third delivery pump prevents the ice maker from being impacted by sudden load change, thereby protecting the stable operation of the system and prolonging the service life of the equipment.
Description
Technical Field
The present invention relates generally to the field of refrigeration equipment, and more particularly, to a refrigeration system with self-regulating functionality.
Background
For example, when a constant low temperature of 1 to 4 ℃ is required, ethylene glycol used as a refrigerant forms a closed loop pipeline by an ice maker and a heat exchanger, the refrigerant flows in the loop, is cooled at the ice maker, and is exchanged by the heat exchanger to generate cold for load use. The refrigerant running in the closed loop pipeline is reduced in pressure in the closed loop due to the consumption of the refrigerant, internal leakage of equipment and the like, and the refrigerant needs to be introduced from the outside for supplement. Usually, a coolant storage tank is connected outside the closed loop pipe, and when the closed loop pipe lacks coolant or the pressure is reduced, the coolant is supplemented into the closed loop pipe, and the pressure is increased.
However, in the process of refrigerant consumption or refrigerant pressurization supplement, the phenomenon of unstable pressure in the annular pipeline occurs, and usually, a refrigeration system is connected with a plurality of loads simultaneously, and the plurality of loads can be started simultaneously or independently, which depends on the actual conditions of production, resulting in large temperature fluctuation of refrigerant medium in the annular pipeline, and can not stably provide constant temperature refrigerant for production and use, and simultaneously resulting in large temperature change of refrigerant flowing back from users, and directly entering an ice machine for refrigeration, the ice machine has large running load, can not run automatically and stably, the failure rate of the ice machine is extremely high, and simultaneously, the refrigerant and heat exchange medium are mixed due to the conditions of leakage in a pipe and the like caused by large medium pressure change fluctuation in a heat exchanger, and the following problems exist in the prior art due to the above conditions: the pressure of a closed loop pipeline cannot be stable, and an operator needs to frequently perform routing inspection, fluid supplement and pressurization; the failure rate of the ice machine is extremely high, and the maintenance cost is high; the refrigerant can not be stably provided for the user end to use; in an industrial scene, the load may change at any time, so that the heat exchange temperature is unstable, the temperature of a refrigerant returning to an ice machine is changed, the damage to ice machine equipment is serious, the ice machine cannot automatically operate and only can be manually operated; when the machine is stopped for maintenance or a user end has a pipeline leakage point, the circulating pipeline is large, air is easy to enter, and the exhaust work is required to be frequently carried out.
How to provide stable refrigerant pressure and temperature difference, control the refrigerant temperature entering the ice maker, and adapt to the refrigeration system with various load changing conditions is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a refrigeration system with a self-adjusting function, which includes an ice maker 1, a first buffer tank 2, a first transfer pump 3, and a heat exchanger 4, wherein the ice maker 1 is used for refrigerating a high-temperature refrigerant into a low-temperature refrigerant; the first buffer tank 2 is connected with the ice maker 1 and used for containing the low-temperature refrigerant; the first delivery pump 3 is connected with the first buffer tank 2 and is used for delivering a low-temperature refrigerant to the heat exchanger 4; the heat exchanger 4 is respectively connected with the ice maker 1 and the first delivery pump 3, and is configured to obtain a low-temperature refrigerant from the first delivery pump 3, complete heat exchange, and return a high-temperature refrigerant to the ice maker 1.
According to the utility model discloses an embodiment, first buffer tank 2 includes first jar of body, first entry 21, first export 22, first regulation mouth 23, first entry 21 is connected with ice maker 1, first export 22 is connected with first delivery pump 3, first entry 21 is higher than first export 22 sets up on the first jar of body, first regulation mouth 23 sets up at the top of the jar body for to first buffer tank 2 supplements the refrigerant.
According to the utility model discloses an embodiment, refrigerating system still include first level gauge 24, first level gauge 24 is installed on the first jar of body, be used for detecting the liquid level in the first buffer tank 2.
According to the utility model discloses an embodiment, refrigerating system still include siren 25, siren 25 with the level gauge is connected for send out the police dispatch newspaper when the liquid level reaches the default in first buffer tank 2.
According to an embodiment of the present invention, the refrigeration system further includes a second buffer tank 5 and a second delivery pump 6, wherein the second buffer tank 5 is connected to the heat exchanger 4 for accommodating a high temperature refrigerant; and the second delivery pump 6 is connected with the second buffer tank 5 and is used for delivering the high-temperature refrigerant to the ice maker 1.
According to the utility model discloses an embodiment, second buffer tank 5 includes the second jar body, second entry 51, second export 52, second regulation mouth 53, second entry 51 is connected with heat exchanger 4, second export 52 is connected with second delivery pump 6, second entry 51 is higher than second export 52 sets up on the second jar body, second regulation mouth 53 sets up at the top of the second jar body, be used for to second buffer tank 5 supplements the refrigerant.
According to the utility model discloses an embodiment, refrigerating system still include third delivery pump 7, first buffer tank 2 and second export 52 are connected respectively to third delivery pump 7 both ends for adjust the temperature to the high temperature refrigerant that ice maker 1 carried.
According to an embodiment of the present invention, the refrigeration system further includes a thermometer 54, the thermometer 54 is installed at the second outlet 52 for detecting the temperature of the high temperature refrigerant.
According to an embodiment of the present invention, the thermometer 54 is electrically connected to the third delivery pump 7.
According to the utility model discloses an embodiment, refrigerating system still include the second level gauge, the second level gauge is installed on the second jar of body, be used for detecting liquid level in the second buffer tank 5.
The utility model ensures the stable pressure in the closed loop pipeline and the stable coping with the load change by arranging the first buffer tank; the first buffer tank and the second buffer tank are arranged at the same time, so that the pressure stability of the annular pipeline is further improved; the third delivery pump prevents the ice maker from being impacted by sudden load change, thereby protecting the stable operation of the system and prolonging the service life of the equipment.
Drawings
FIG. 1 is a self-regulating refrigerant system;
FIG. 2 is a schematic view of a first surge tank;
FIG. 3 is a schematic view of a first buffer tank containing a first level gauge;
FIG. 4 is a schematic diagram of a first surge tank containing an alarm;
FIG. 5 is a schematic diagram of a refrigeration system including a second surge tank and a second transfer pump;
FIG. 6 is a schematic view of a second surge tank;
FIG. 7 is a schematic diagram of a refrigeration system including a third transfer pump; and
FIG. 8 is a schematic diagram of a refrigeration system including a thermometer.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the present invention, and other embodiments related to the claims that are not explicitly described also fall within the scope of the claims.
Fig. 1 shows a refrigeration system with self-regulating function.
As shown in fig. 1, a refrigeration system with a self-regulating function includes an ice maker 1, a first buffer tank 2, a first delivery pump 3, and a heat exchanger 4, where the ice maker 1 is configured to refrigerate a high-temperature refrigerant into a low-temperature refrigerant; the first buffer tank 2 is connected with the ice maker 1 and used for containing the low-temperature refrigerant; the first delivery pump 3 is connected with the first buffer tank 2 and is used for delivering a low-temperature refrigerant to the heat exchanger 4; the heat exchanger 4 is respectively connected with the ice maker 1 and the first delivery pump 3, and is configured to obtain a low-temperature refrigerant from the first delivery pump 3, complete heat exchange, and return a high-temperature refrigerant to the ice maker 1.
The ice maker 1 is a device providing a refrigeration function, and is capable of reducing the temperature of a refrigerant. The high-temperature refrigerant and the low-temperature refrigerant are relatively speaking, for example, ethylene glycol is the refrigerant, the ethylene glycol conveyed from the ice maker 1 to the heat exchanger 4 is 2 ℃, the ethylene glycol conveyed from the heat exchanger 4 to the ice maker 1 is 6 ℃, wherein the ethylene glycol at 6 ℃ is the high-temperature refrigerant, and the ethylene glycol at 2 ℃ is the low-temperature refrigerant.
The first buffer tank 2 is installed between the ice maker 1 and the heat exchanger 4, and can contain more refrigerants and part of air. When the refrigerant in the closed loop is lost, the air in the first buffer tank 2 buffers pressure fluctuation due to the fact that a large amount of refrigerant is prestored in the first buffer tank 2 and the space is large; meanwhile, the first delivery pump 3 delivers the refrigerant from the first buffer tank 2 to the heat exchanger 4, so that the pressure at the heat exchanger 4 is ensured to be stable; when the load of the heat exchanger 4 is increased or decreased, the refrigerant in the first buffer tank 2 can provide a large amount of cold energy, and stable cold energy output can be ensured.
Fig. 2 shows a schematic view of a first buffer tank.
As shown in fig. 2, the first buffer tank 2 includes a first tank, a first inlet 21, a first outlet 22, and a first adjusting port 23, where the first inlet 21 is connected to the ice maker 1, the first outlet 22 is connected to the first delivery pump 3, the first inlet 21 is higher than the first outlet 22 and is disposed on the first tank, and the first adjusting port 23 is disposed at the top of the tank and is used for supplementing a refrigerant to the first buffer tank 2.
The first inlet 21 and the second inlet 51 may be flanges. The first adjusting port 23 is provided with a valve, which can be connected to the atmosphere or connected to a refrigerant storage tank, a refrigerant supply pipeline, etc., and is used for supplying refrigerant or air from the outside into the first buffer tank 2 to supplement consumed refrigerant or boost pressure.
The refrigerant is pumped out from the first outlet 22 by the first transfer pump 3, a negative pressure is formed in the first tank, and the refrigerant is sucked in from the first inlet 21.
Preferably, the space inside the first tank body is larger, the refrigerant inside the first tank body ensures a certain liquid level, part of air is reserved at the top, and the buffer effect of the gas on pressure change is larger than that of liquid, so that the pressure in the closed loop pipeline can be ensured to be kept at a stable level.
The first inlet 21 is higher than the first outlet 22, so that the first outlet 22 is always below the liquid level of the refrigerant.
Fig. 3 shows a schematic view of a first buffer tank containing a first level gauge.
As shown in fig. 3, the refrigeration system further comprises a first liquid level meter 24, and the first liquid level meter 24 is mounted on the first tank body and is used for detecting the liquid level in the first buffer tank 2.
The refrigerant in the first buffer tank 2 is more, and when the refrigerant loss reaches a certain amount, although the buffering effect of the air in the first buffer tank 2, the pressure still can drop, therefore, the liquid level of the refrigerant still needs to be monitored, the pressure reduction caused by the large reduction to a closed loop is avoided, the first liquid level meter 24 can monitor the liquid level of the refrigerant in real time, the opening and closing of the first adjusting port 23 are convenient to control, and the air or the refrigerant is conveyed into the first buffer tank 2.
Fig. 4 shows a schematic of a first surge tank containing an alarm.
As shown in fig. 4, the refrigeration system further comprises an alarm 25, wherein the alarm 25 is connected to the first liquid level meter and is used for giving an alarm when the liquid level in the first buffer tank 2 reaches a preset value.
The preset value refers to the height of the preset lowest liquid level. When the liquid level drops to the preset value, the amount of the lost refrigerant generates larger pressure change, and the buffering effect of the air in the first tank body is counteracted to a certain degree.
The alarm 25 may further comprise a signal transmitter for remotely sending an alarm to a user for the user to control the liquid level in the first buffer tank 2.
Fig. 5 shows a schematic diagram of a refrigeration system including a second buffer tank and a second transfer pump.
As shown in fig. 5, the refrigeration system further includes a second buffer tank 5 and a second delivery pump 6, where the second buffer tank 5 is connected to the heat exchanger 4 and is used for accommodating a high-temperature refrigerant; and the second delivery pump 6 is connected with the second buffer tank 5 and is used for delivering the high-temperature refrigerant to the ice maker 1.
The second buffer tank 5 is similar to the first buffer tank 2 and is used for accommodating high-temperature refrigerant from the heat exchanger 4. The space in the second buffer tank 5 is large, so that the pressure of the closed annular pipeline can be buffered, especially when the second buffer tank 5 contains partial air.
When the load at the heat exchanger 4 is increased, the high-temperature refrigerant conveyed to the ice maker 1 by the heat exchanger 4 is increased instantaneously, and the pressure of the ice maker 1 is increased instantaneously. The second buffer tank 5 is arranged on a pipeline for conveying the heat exchanger 4 to the ice machine 1, and when the load is increased or decreased, the second buffer tank 5 receives the refrigerant which is increased instantly, and stably provides the flow rate of the refrigerant to the ice machine 1, so that the ice machine 1 is prevented from being impacted by the change of the load.
The utility model discloses in, owing to set up first buffer tank 2 and second buffer tank 5, can set up many pipelines, heat exchanger 4 and load of every tube coupling can be adjusted according to the needs of load and open or close corresponding pipeline wantonly.
Fig. 6 shows a schematic view of a second buffer tank.
As shown in fig. 6, the second buffer tank 5 includes a second tank, a second inlet 51, a second outlet 52, and a second adjusting port 53, the second inlet 51 is connected to the heat exchanger 4, the second outlet 52 is connected to the second transfer pump 6, the second inlet 51 is disposed on the second tank higher than the second outlet 52, and the second adjusting port 53 is disposed at the top of the second tank and is used for supplementing the refrigerant to the second buffer tank 5.
The components and positions of the second buffer tank 5 are similar to those of the first buffer tank 2, and the beneficial effects are the same as those of the first buffer tank 2, which are not described herein again.
Fig. 7 shows a schematic diagram of a refrigeration system including a third transfer pump.
As shown in fig. 7, the refrigeration system further includes a third delivery pump 7, and two ends of the third delivery pump 7 are respectively connected to the first buffer tank 2 and the second outlet 52, so as to adjust the temperature of the high-temperature refrigerant delivered to the ice maker 1.
When the load at the end of the heat exchanger 4 is increased, the temperature of the high-temperature refrigerant conveyed from the end of the heat exchanger 4 to the end of the ice maker 1 is suddenly increased, so that the temperature of the refrigerant in the second buffer tank 5 is increased, and the refrigerant is directly conveyed to the ice maker 1 to impact the evaporator of the ice maker 1. The utility model discloses set up third delivery pump 7, mix low temperature refrigerant and high temperature refrigerant, adjust the temperature of the refrigerant of returning ice maker 1 to the refrigerant temperature ratio that makes entering ice maker 1 is more invariable, does not have too big fluctuation, has protected ice maker 1, and ice maker 1 operation load is stable, greatly increased evaporimeter life.
Fig. 8 shows a schematic of a refrigeration system incorporating a thermometer.
As shown in fig. 8, the refrigeration system further includes a thermometer 54, and the thermometer 54 is installed at the second outlet 52 and is used for detecting the temperature of the high-temperature refrigerant. The thermometer 54 is electrically connected to the third feed pump 7. The utility model discloses can be according to the temperature of the refrigerant that thermometer 54 detected, the opportunity and the length of time of deciding to open third delivery pump 7 adjust the refrigerant temperature who returns ice maker 1 in a flexible way.
According to the utility model discloses an embodiment, refrigerating system still include the second level gauge, the second level gauge is installed on the second jar of body, be used for detecting liquid level in the second buffer tank 5.
The second liquid level meter is electrically connected with the valve of the second adjusting port 53, and is used for opening or closing the valve of the second adjusting port 53 according to the refrigerant liquid level detected by the second liquid level meter, and inputting air or refrigerant. The utility model discloses in, both can follow first buffer tank 2 and can follow second buffer tank 5 and supply the refrigerant, for example, when the load of heat exchanger 4 department is less, can follow first buffer tank 2 and supply the refrigerant, the low temperature refrigerant cooling is less, and is less to the influence of heat exchanger 4. When the load is large, the refrigerant is supplemented from the second buffer tank 5, and the effect of cooling the high-temperature refrigerant can be achieved.
The utility model ensures the stable pressure in the closed loop pipeline and the stable coping with the load change by arranging the first buffer tank; the first buffer tank and the second buffer tank are arranged at the same time, so that the pressure stability of the annular pipeline is further improved; the third delivery pump prevents the ice maker from being impacted by sudden load change, thereby protecting the stable operation of the system and prolonging the service life of the equipment.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (10)
1. A refrigeration system with a self-regulating function is characterized by comprising an ice maker (1), a first buffer tank (2), a first delivery pump (3) and a heat exchanger (4),
the ice machine (1) is used for refrigerating a high-temperature refrigerant into a low-temperature refrigerant;
the first buffer tank (2) is connected with the ice maker (1) and is used for accommodating the low-temperature refrigerant;
the first delivery pump (3) is connected with the first buffer tank (2) and is used for delivering the low-temperature refrigerant to the heat exchanger (4);
the heat exchanger (4) is respectively connected with the ice maker (1) and the first conveying pump (3) and is used for acquiring low-temperature refrigerants from the first conveying pump (3), completing heat exchange and returning high-temperature refrigerants to the ice maker (1).
2. Refrigeration system according to claim 1, characterized in that the first buffer tank (2) comprises a first tank, a first inlet (21), a first outlet (22), a first regulation port (23),
the first inlet (21) is connected with the ice maker (1), the first outlet (22) is connected with the first conveying pump (3), the first inlet (21) is arranged on the first tank body higher than the first outlet (22),
the first adjusting port (23) is arranged at the top of the tank body and used for supplementing a refrigerant to the first buffer tank (2).
3. A refrigeration system according to claim 2, further comprising a first level gauge (24), said first level gauge (24) being mounted on said first tank for detecting a liquid level within said first buffer tank (2).
4. A refrigeration system according to claim 3, further comprising an alarm (25), said alarm (25) being electrically connected to said first gauge (24) for issuing an alarm when the level of liquid in said first buffer tank (2) reaches a preset value.
5. Refrigeration system according to claim 2, further comprising a second buffer tank (5) and a second delivery pump (6),
the second buffer tank (5) is connected with the heat exchanger (4) and is used for containing a high-temperature refrigerant;
and the second conveying pump (6) is connected with the second buffer tank (5) and is used for conveying the high-temperature refrigerant to the ice maker (1).
6. A refrigeration system according to claim 5, characterized in that the second buffer tank (5) comprises a second tank, a second inlet (51), a second outlet (52), a second regulation port (53),
the second inlet (51) is connected with a heat exchanger (4), the second outlet (52) is connected with a second delivery pump (6), the second inlet (51) is arranged on the second tank body higher than the second outlet (52),
the second adjusting port (53) is arranged at the top of the second tank body and used for supplementing a refrigerant to the second buffer tank (5).
7. The refrigeration system according to claim 5, further comprising a third delivery pump (7), wherein two ends of the third delivery pump (7) are respectively connected with the first buffer tank (2) and the second outlet (52) for adjusting the temperature of the high-temperature refrigerant delivered to the ice maker (1).
8. The refrigeration system of claim 7, further comprising a thermometer (54),
the thermometer (54) is installed at the second outlet (52) and used for detecting the temperature of the high-temperature refrigerant.
9. The refrigeration system according to claim 8, characterized in that the thermometer (54) is electrically connected to the third delivery pump (7).
10. A refrigeration system according to claim 6, further comprising a second level gauge mounted on the second tank for detecting the level of liquid in the second buffer tank (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464320.3U CN212157743U (en) | 2020-04-01 | 2020-04-01 | Refrigerating system with self-adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020464320.3U CN212157743U (en) | 2020-04-01 | 2020-04-01 | Refrigerating system with self-adjusting function |
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| Publication Number | Publication Date |
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| CN212157743U true CN212157743U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020464320.3U Active CN212157743U (en) | 2020-04-01 | 2020-04-01 | Refrigerating system with self-adjusting function |
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| CN (1) | CN212157743U (en) |
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2020
- 2020-04-01 CN CN202020464320.3U patent/CN212157743U/en active Active
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