Bucket pump refrigerating unit provided with distribution station and beneficial to butt joint installation

Abstract

The utility model discloses a barrel pump refrigerating unit provided with a distribution station and facilitating butt joint installation, and particularly relates to the technical field of refrigeration house units, the barrel pump refrigerating unit comprises the distribution station, the distribution station is provided with a liquid supply header, an air return header, a hot fluorine header and a liquid discharge header, the distribution station headers are fixedly connected with pressure gauges, and the pressure gauges are connected with the air return header. The branch pipe of the liquid supply pipe is fixedly connected with a welding straight-through stop valve, a filter and an electromagnetic valve, and the branch pipe of the air return pipe, the branch pipe of the hot fluorine pipe and the branch pipe of the liquid discharge pipe are fixedly connected with welding straight-through stop valves. Refrigerant is distributed and collected through the distribution station, the hot fluorine branch pipe is connected with the liquid supply branch pipe, the liquid discharge branch pipe is connected with the air return branch pipe, and the liquid supply branch pipe and the air return branch pipe are connected with the tail end evaporator, so that the device system can realize uniform liquid supply and liquid return, meanwhile, the installation efficiency is improved, and a valve arranged on the distribution station is controlled to realize uniform liquid supply and liquid return. And switching between a refrigeration working condition and a hot fluorine defrosting working condition can be conveniently realized.

Description

Technical Field

[0001] The utility model relates to the technical field of cold storage units, and more specifically to a barrel pump refrigeration unit with a distribution station which is convenient for docking installation. Background Art

[0002] The barrel pump refrigeration unit is a device used to cool the air in a space to a corresponding temperature. It is usually composed of a compressor, a condenser, a low-pressure circulation barrel, an evaporator, etc. The barrel pump refrigeration unit is widely used in agriculture, food, medicine and other fields;

[0003] Most of the existing barrel pump refrigeration units have low assembly efficiency during docking installation, and may have uneven liquid supply during use. Therefore, a barrel pump refrigeration unit with a distribution station that is convenient for docking installation is needed;

[0004] Therefore, in view of the above problems, a barrel pump refrigeration unit with a distribution station which is convenient for docking installation is proposed. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a barrel pump refrigeration unit with a distribution station that is convenient for docking installation, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a barrel pump refrigeration unit with a distribution station that is convenient for docking installation, comprising a distribution station, wherein the distribution station is provided with a liquid supply manifold, a gas return manifold, a hot fluorine manifold, and a liquid discharge manifold, wherein the liquid supply manifold, the gas return manifold, the hot fluorine manifold, and the liquid discharge manifold are all fixedly connected with a pressure gauge;

[0007] The liquid supply manifold, air return manifold, hot fluorine manifold and liquid discharge manifold are respectively fixedly connected with a plurality of groups of liquid supply branch pipes, air return branch pipes, hot fluorine branch pipes and liquid discharge branch pipes. The liquid supply branch pipes are provided with welded straight-through stop valves, filters and solenoid valves. The air return branch pipes, hot fluorine branch pipes and liquid discharge branch pipes are all fixedly connected with welded straight-through stop valves.

[0008] As a further improvement of the utility model, the other ends of the liquid supply manifold, the return air manifold and the discharge manifold are fixedly connected to a barrel pump unit, and the other end of the hot fluorine manifold is fixedly connected to an exhaust pipe, which is led out from the oil separator and connected to the evaporative condenser.

[0009] As a further improvement of the utility model, the lower connection port of the evaporative condenser is fixedly connected to a down-liquid pipe, the other end of the down-liquid pipe is fixedly connected to a siphon-type liquid reservoir, a balance pipe is fixedly connected to the top of the siphon-type liquid reservoir, the other end of the balance pipe is connected to an exhaust pipe, an oil cooler return pipe and an oil cooler liquid supply pipe are provided on the side of the siphon-type liquid reservoir, and a high-temperature liquid supply pipe to the economizer of the compression unit is provided at the bottom.

[0010] As a further improvement of the utility model, the compressor unit leads out a low-temperature liquid supply pipe to the barrel pump unit, and the barrel pump unit leads out a return air pipe to the compressor unit.

[0011] As a further improvement of the utility model, a fixing bracket is fixedly connected to the bottom of the barrel pump unit.

[0012] Technical effects and advantages of the utility model:

[0013] Compared with the prior art, the barrel pump refrigeration unit with a distribution station which is convenient for docking installation distributes and collects the refrigerant through the distribution station. The hot fluorine branch pipe is connected to the liquid supply branch pipe, the discharge branch pipe is connected to the return air branch pipe, and the liquid supply branch pipe and the return air branch pipe are connected to the terminal evaporator, which can effectively ensure uniform liquid supply and return of the system.

[0014] Through the distribution station, the system components of the device can be quickly connected, while reducing the difficulty of installation. Then, by controlling the valves provided in the distribution station, switching between refrigeration conditions and hot fluorine defrosting conditions can be easily achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model.

[0016] Figure 2 It is an enlarged view of point A of the present utility model.

[0017] Figure 3 This is a connection diagram of the barrel pump unit of the utility model.

[0018] Figure 4 This is a connection diagram of the compressor unit of the utility model.

[0019] The accompanying drawings are marked as follows: 1. distribution station; 2. liquid supply manifold; 3. return air manifold; 4. hot fluorine manifold; 5. drain manifold, 6. liquid supply branch pipe and balance pipe; 7. return air branch pipe; 8. hot fluorine branch pipe; 9. drain branch pipe; 10. pressure gauge; 11. down pipe; 12. balance pipe; 13. evaporative condenser; 14. low-temperature liquid supply pipe; 15. return air pipe; 16. exhaust pipe; 17. siphon liquid storage tank; 18. barrel pump unit; 19. oil cooler return air pipe; 20. oil cooler liquid supply pipe, 21. high-temperature liquid supply pipe; 22. compressor unit; 23. fixed bracket; 24. oil separator; 25. filter; 26. solenoid valve; 27. welded straight-through stop valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] As attached Figure 1 and Figure 2 The barrel pump refrigeration unit with a distribution station which is convenient for docking installation shown in the figure comprises a distribution station 1 provided with a liquid supply manifold 2, a return air manifold 3, a hot fluorine manifold 4, and a drain manifold 5. The liquid supply manifold 2, the return air manifold 3, the hot fluorine manifold 4, and the drain manifold 5 are all fixedly connected with a pressure gauge 10; the liquid supply manifold 2, the return air manifold 3, the hot fluorine manifold 4, and the drain manifold 5 are fixedly connected with a plurality of groups of liquid supply branch pipes 6, return air branch pipes 7, hot fluorine branch pipes 8, and drain branch pipes 9. The liquid supply branch pipe 6 is provided with a welded straight-through stop valve 27, a filter 25, and a solenoid valve 26. The return air branch pipe 7, the hot fluorine branch pipe 8, and the drain branch pipe 9 are all fixedly connected with a welded straight-through stop valve 27, thereby ensuring uniform and stable liquid supply and return of the system.

[0022] As a preferred embodiment, the liquid supply manifold 2, the return air manifold 3, and the drain manifold 5 are led out from the corresponding interfaces of the barrel pump unit 18, the hot fluorine manifold 4 is led out from the exhaust pipe 16, the exhaust pipe 16 is led out from the oil separator 24, and connected to the evaporative condenser 13. The lower liquid pipe 11 is led out from the lower connection port of the evaporative condenser 13 and connected to the siphon liquid reservoir 17, and the balance pipe 12 is led out from the upper interface of the siphon liquid reservoir 17 and connected to the exhaust pipe 16. The oil cooler return air pipe 19 and the oil cooler supply pipe 20 are led out from the side interface of the siphon liquid reservoir 17, and the high-temperature supply pipe 21 is led out from the lower interface of the siphon liquid reservoir 17 and connected to the compressor unit 22. The compressor unit 22 leads the low-temperature supply pipe 14 to the barrel pump unit 18, and the barrel pump unit 18 leads the return air pipe 15 to the compressor unit 22, which simplifies the installation process and improves the installation efficiency.

[0023] As a preferred embodiment, a fixing bracket 23 is fixedly connected to the bottom of the barrel pump unit 18 to improve the stability of the barrel pump unit, thereby ensuring the safety and reliability of the system.

[0024] The working process of the utility model is as follows:

[0025] During refrigeration operation, the refrigerant is condensed by the evaporative condenser 13 and flows into the siphon liquid storage tank 17, and then enters the compressor unit 22. After being cooled by the economizer of the compressor unit 22, it enters the barrel pump unit 18, the liquid supply manifold 2, all liquid supply branches 6 and the welded straight-through valve 27 and the solenoid valve 26 on the liquid supply branch 6 are opened, the return air manifold 3, all return air branches 7 and the welded straight-through stop valve 27 on the return air branch 7 are opened, the hot fluorine manifold 4, all hot fluorine branches 8 and the welded straight-through stop valve 27 on the hot fluorine branch 8 are closed, the drain manifold 5, all drain branches 9 and the welded straight-through stop valve 27 on the drain branch 9 are closed, so that the terminal evaporator obtains low-temperature refrigerant, completes evaporation and heat release, and returns the liquid to the distribution station 1 respectively, and then flows into the barrel pump unit 18. During the defrosting condition, the refrigerant is sucked into the compressor unit 22, compressed, and discharged into the evaporative condenser 13. At the same time, the hot refrigerant gas enters the distribution station 1, the liquid supply manifold 2, all liquid supply branches 6, and the welded straight-through stop valve 27 and the solenoid valve 26 on the liquid supply branch 6 are closed, the return gas manifold 3, all return gas branches 7, and the welded straight-through stop valve 27 on the return gas branch 7 are closed, the hot fluorine manifold 4, all hot fluorine branches 8, and the welded straight-through stop valve 27 on the hot fluorine branch 8 are opened, the drain manifold 5, all drain branches 9, and the welded straight-through stop valve 27 on the drain branch 9 are opened, so that the hot refrigerant gas passes through the exhaust pipe 16 through the distribution station 1 and is diverted to each terminal evaporator to complete the defrosting. The condensed liquid refrigerant is then collected through the distribution station 1 and returned to the barrel pump unit 18. The operation of the device is ensured by the cooperation of refrigeration components such as the compressor unit 22, the barrel pump unit 18 and the evaporative condenser 13 to switch the working conditions. This is the working process of the device.

[0026] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A barrel pump refrigeration unit with a distribution station that is convenient for docking installation, comprising a distribution station (1), characterized in that; The distribution station (1) is provided with a liquid supply header (2), an air return header (3), a hot fluorine header (4), and a liquid discharge header (5); the liquid supply header (2), the air return header (3), the hot fluorine header (4), and the liquid discharge header (5) are all fixedly connected with a pressure gauge (10); The liquid supply header (2), the air return header (3), the hot fluorine header (4), and the liquid discharge header (5) are fixedly connected to a plurality of groups of liquid supply branch pipes (6), air return branch pipes (7), hot fluorine branch pipes (8), and liquid discharge branch pipes (9); the liquid supply branch pipe (6) is provided with a welded straight-through stop valve (27), a filter (25), and a solenoid valve (26); and the air return branch pipe (7), the hot fluorine branch pipe (8), and the liquid discharge branch pipe (9) are all fixedly connected to a welded straight-through stop valve (27).

2. A barrel pump refrigeration unit with a distribution station that is convenient for docking installation according to claim 1, characterized in that: The other ends of the liquid supply manifold (2), the air return manifold (3), and the liquid discharge manifold (5) are fixedly connected to a barrel pump unit (18), and the other end of the hot fluorine manifold (4) is fixedly connected to an exhaust pipe (16), and the exhaust pipe (16) is led out from the oil separator (24) and connected to the evaporative condenser (13).

3. A barrel pump refrigeration unit with a distribution station that is convenient for docking installation according to claim 2, characterized in that: The lower connection port of the evaporative condenser (13) is fixedly connected to a lower liquid pipe (11), the other end of the lower liquid pipe (11) is fixedly connected to a siphon type liquid reservoir (17), a balance pipe (12) is fixed above the siphon type liquid reservoir (17), and the balance pipe (12) The other end is fixedly connected to an exhaust pipe (16), and the side of the siphon type liquid storage device (17) is fixed with an oil cooler air return pipe (19) and an oil cooler liquid supply pipe (20), and the bottom is provided with a high temperature liquid supply pipe (21) to the economizer of the compressor unit (22).

4. A barrel pump refrigeration unit with a distribution station that is convenient for docking installation according to claim 3, characterized in that: The compressor unit (22) leads out of the low-temperature liquid supply pipe (14) to the barrel pump unit (18), and the barrel pump unit (18) leads out of the return air pipe (15) to the compressor unit (22).

5. A barrel pump refrigeration unit with a distribution station that is convenient for docking installation according to claim 4, characterized in that: A fixing bracket (23) is fixedly connected to the bottom of the barrel pump unit (18).

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