Condenser suitable for large refrigeration equipment
By introducing structures such as serpentine tubes and liquid storage tanks into the condenser, the refrigerant distribution within the serpentine tubes is adjusted by utilizing the gravitational resistance of the liquid refrigerant, thus solving the problem of uneven refrigerant flow and improving the heat exchange performance of the condenser.
Patent Information
- Application Number
- CN202520305649.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Uneven distribution of refrigerant in existing condensers leads to significant differences in heat exchange performance and reduces overall heat exchange performance.
Design a condenser structure including a fan, a radiator, an inlet distribution pipe, a liquid collection pipe, a serpentine tube, a liquid storage tank, and a sight glass. The distribution of refrigerant in the serpentine tube is adjusted by the gravitational resistance of the liquid phase formed by refrigerant condensation to achieve uniformity.
This achieves uniform distribution of refrigerant within the condenser, improving overall heat exchange performance.
Smart Images
Figure CN223807410U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of refrigeration equipment, specifically relates to a condenser suitable for large -scale refrigeration equipment. BACKGROUND
[0002] The existing condenser cold row is generally of plate type structure, and a plurality of refrigerant flow channels are arranged in the condenser cold row. However, in the plurality of refrigerant flow channels, the distribution of refrigerant is seriously uneven. Specifically, the refrigerant distributed to the refrigerant flow channel close to the inlet is less, and the refrigerant distributed to the refrigerant flow channel far away from the inlet is more. This will result in large difference in heat exchange performance between the plurality of refrigerant flow channels, thereby greatly reducing the overall heat exchange performance of the water-cooled condenser. SUMMARY
[0003] The utility model discloses a condenser suitable for large -scale refrigeration equipment, and the specific technical scheme is as follows:
[0004] A condenser suitable for large -scale refrigeration equipment, comprising a fan and a cold row, the cold row is stacked with the fan and is located on the air duct of the fan, the lower part of the cold row is provided with an air inlet distribution pipe, the upper part of the cold row is provided with a liquid collecting pipe, the middle part of the cold row is provided with a serpentine pipe, the both ends of the serpentine pipe are communicated with the air inlet distribution pipe and the liquid collecting pipe respectively, the cold row is provided with an air inlet pipe and a liquid outlet pipe respectively, the air inlet pipe is communicated with the air inlet distribution pipe, and the air inlet pipe is used for connecting high-temperature high-pressure gas-phase refrigerant, the liquid outlet pipe is communicated with the liquid collecting pipe, and the liquid outlet pipe is used for discharging low-temperature liquid-phase refrigerant after cooling.
[0005] Further comprising a liquid storage tank, the liquid storage tank is arranged on one side of the cold row, the upper part of the liquid storage tank is communicated with the liquid collecting pipe, and the liquid outlet pipe is arranged in the lower part of the liquid storage tank and communicated with the liquid storage tank.
[0006] Further comprising a liquid level mirror, the liquid level mirror is arranged on the liquid storage tank and is used for monitoring the liquid level in the liquid storage tank.
[0007] The serpentine pipe is provided with fins on the periphery, and is used for improving the heat exchange efficiency.
[0008] The above technical scheme of the utility model has the following beneficial technical effects: in practical application, high-temperature and high-pressure gas-phase refrigerant is sent into the air inlet distribution pipe from the bottom, and then is distributed into the serpentine pipe from the air inlet distribution pipe, the high-temperature and high-pressure gas-phase refrigerant is condensed to form liquid-phase refrigerant in the serpentine pipe, the liquid-phase refrigerant forms resistance to the gas-phase refrigerant under the action of gravity, the faster the condensation speed, the greater the resistance, the greater the resistance can reduce the passing efficiency of the gas-phase refrigerant to a certain extent, more gas-phase refrigerant flows to the serpentine pipe with slower condensation speed, until balance is reached. The utility model adjusts the distribution balance in the cold row through the resistance formed by the gravity of the liquid-phase refrigerant condensed from the gas-phase refrigerant, the closer to the inlet, the higher the passing efficiency, the higher the passing efficiency, the faster the condensation speed, the faster the condensation speed, the greater the resistance, the greater the resistance reduces the passing efficiency, so as to realize the distribution balance. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 is a structural schematic diagram of the utility model;
[0010] Figure 2 is Figure 1 is a sectional structure schematic diagram of A-A in the utility model;
[0011] Wherein: 1- fan, 2- cold row, 21- air inlet distribution pipe, 22- liquid collecting pipe, 23- serpentine pipe, 3- liquid storage tank, 4- air inlet pipeline, 5- liquid outlet pipeline, 6- liquid sight glass. DETAILED DESCRIPTION
[0012] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.
[0013] The utility model provides a condenser suitable for large refrigeration equipment, including fan 1 and cold row 2, cold row 2 is stacked with fan 1 and is located on the air duct of fan 1, and the lower part of cold row 2 is provided with air inlet distribution pipe 21, the upper part of cold row 2 is provided with liquid collecting pipe 22, and the middle part of cold row 2 is provided with serpentine pipe 23, and the both ends of serpentine pipe 23 are communicated with air inlet distribution pipe 21 and liquid collecting pipe 22 respectively, and the upper part of cold row 2 is provided with air inlet pipe 4 and liquid outlet pipe 5 respectively, air inlet pipe 4 is communicated with air inlet distribution pipe 21, air inlet pipe 4 is used to access high-temperature high-pressure gas phase refrigerant, liquid outlet pipe 5 is communicated with liquid collecting pipe 22, and liquid outlet pipe 5 is used to discharge the cooled low-temperature liquid phase refrigerant.In actual application, high-temperature high-pressure gas phase refrigerant is sent into air inlet distribution pipe 21 from the bottom, then is distributed into serpentine pipe 23 from air inlet distribution pipe 21, high-temperature high-pressure gas phase refrigerant is condensed to form liquid phase refrigerant in serpentine pipe 23, liquid phase refrigerant forms resistance to gas phase refrigerant under the action of gravity, the faster the condensation speed is, the greater the resistance formed is, and the greater the resistance can reduce the passing efficiency of gas phase refrigerant to a certain extent, and more gas phase refrigerant flows to serpentine pipe 23 with slower condensation speed until balance is reached.The utility model adjusts the distribution balance in cold row 2 through the resistance formed by the gravity of liquid phase refrigerant condensed from gas phase refrigerant, and the passing efficiency is higher near the inlet, the passing efficiency is higher, and the condensation speed is faster, the condensation speed is faster, and the resistance is greater, and the resistance is greater, and then the passing efficiency is reduced, so as to realize the distribution balance.
[0014] Further including liquid storage tank 3, liquid storage tank 3 is arranged at one side of cold row 2, and the upper part of liquid storage tank 3 is communicated with liquid collecting pipe 22, and liquid outlet pipe 5 is arranged at the lower part of liquid storage tank 3 and is communicated with liquid storage tank 3.
[0015] Further including liquid level mirror 6, liquid level mirror 6 is arranged on liquid storage tank 3 and is used to monitor the liquid level in liquid storage tank 3.
[0016] The outer periphery of serpentine pipe 23 is provided with fins, which is used to improve the heat exchange efficiency.
Claims
1. A condenser suitable for use in a large refrigeration plant, characterised in that, The application relates to a cooling device, which comprises a fan (1) and a cooling row (2), wherein the cooling row (2) is arranged in a stack with the fan (1) and is located on an air duct of the fan (1), the lower part of the cooling row (2) is provided with an air inlet distribution pipe (21), the upper part of the cooling row (2) is provided with a liquid collecting pipe (22), the middle part of the cooling row (2) is provided with a serpentine pipe (23), the two ends of the serpentine pipe (23) are respectively communicated with the air inlet distribution pipe (21) and the liquid collecting pipe (22), the upper part of the cooling row (2) is respectively provided with an air inlet pipe (4) and a liquid outlet pipe (5), the air inlet pipe (4) is communicated with the air inlet distribution pipe (21), the air inlet pipe (4) is used for connecting high-temperature and high-pressure gas-phase refrigerants, and the liquid outlet pipe (5) is communicated with the liquid collecting pipe (22), the liquid outlet pipe (5) is used for discharging cooled low-temperature liquid-phase refrigerants.
2. The condenser suitable for use in a large refrigeration plant as claimed in claim 1, wherein, The application further comprises a liquid storage tank (3), which is arranged on one side of the cooling row (2), the upper part of the liquid storage tank (3) is communicated with the liquid collecting pipe (22), and the liquid outlet pipe (5) is arranged on the lower part of the liquid storage tank (3) and is communicated with the liquid storage tank (3).
3. The condenser suitable for use in a large refrigeration plant according to claim 2, wherein, The application further comprises a liquid level mirror (6), which is arranged on the liquid storage tank (3) and is used for monitoring the liquid level of the liquid storage tank (3).
4. The condenser suitable for use in a large refrigeration apparatus according to claim 1, wherein The outer periphery of the serpentine pipe (23) is provided with fins, so that the heat exchange efficiency is improved.