Search

CN-224201940-U - Hot fluorine defrosting system for laboratory

CN224201940UCN 224201940 UCN224201940 UCN 224201940UCN-224201940-U

Abstract

The utility model discloses a hot fluorine defrosting system for a laboratory, which comprises a shell-tube condenser, a compressor, an indoor evaporator and an outdoor evaporator, wherein a hot fluorine defrosting mechanism is arranged among the shell-tube condenser, the compressor, the indoor evaporator and the outdoor evaporator and comprises a liquid supply pipeline which is arranged at one side of the shell-tube condenser and is connected with the indoor evaporator and the outdoor evaporator, a first automatic ball valve is arranged on the liquid supply pipeline, and the hot fluorine defrosting system relates to the technical field of enthalpy difference laboratories. The utility model provides a hot fluorine defrosting system for a laboratory, which is characterized in that a shell-and-tube condenser of the system does not participate in work any more during defrosting through the arrangement of a hot fluorine defrosting mechanism, and an outdoor evaporator is used for condensation instead of the shell-and-tube condenser, so that the whole system carries heat between indoor tests to the outdoor evaporator, a large amount of condensation heat is released to the upper surface of the outdoor evaporator, defrosting is thoroughly and rapidly performed, room temperature rise is extremely low, and the defects that defrosting is not clean and long time is consumed in a traditional defrosting mode are overcome, so that the purpose of rapid defrosting is realized.

Inventors

  • LIU QINGCHUN
  • WANG YUPENG

Assignees

  • 广东衍胜自动化设备有限公司

Dates

Publication Date
20260505
Application Date
20250327

Claims (7)

  1. 1. A hot fluorine defrosting system for a laboratory, which is characterized by comprising a shell-and-tube condenser (1), a compressor (2), an indoor evaporator (3) and an outdoor evaporator (4); A hot fluorine defrosting mechanism (5) is arranged among the shell-and-tube condenser (1), the compressor (2), the indoor evaporator (3) and the outdoor evaporator (4); The utility model provides a hot fluorine defrosting mechanism (5) is including installing shell and tube condenser (1) one side and with indoor evaporimeter (3) with liquid supply pipeline (6) that outdoor evaporimeter (4) are connected, fixed mounting has first automatic ball valve (7) on liquid supply pipeline (6), install with one side of outdoor evaporimeter (4) first return air pipeline (8) that compressor (2) are connected, install second return air pipeline (9) on first return air pipeline (8), first return air pipeline (8) with install second automatic ball valve (10) and third automatic ball valve (11) on second return air pipeline (9) respectively, install with one side of compressor (2) shell and tube condenser (1) be connected third return air pipeline (12), install fourth automatic ball valve (13) and pressure regulating valve (14) on third return air pipeline (12), install on first return air pipeline (8) and be close to in the evaporation ware (6) one side of evaporating liquid supply pipeline (6) is provided with high temperature expansion valve (15) on one side of the evaporation ware (6).
  2. 2. The hot fluorine defrosting system for a laboratory according to claim 1, wherein the shell-and-tube condenser (1), the compressor (2), the indoor evaporator (3) and the outdoor evaporator (4) are fixedly provided with a first flange plate (17) on the surfaces, and the liquid supply pipeline (6), the first air return pipeline (8) and the third air return pipeline (12) are fixedly provided with a second flange plate (18), and a corrugated pipe (19) is arranged between the first flange plate (17) and the second flange plate (18).
  3. 3. The hot fluorine defrosting system for a laboratory according to claim 2, wherein adjusting rods (20) are fixedly installed on two sides of the first flange plate (17), adjusting blocks (21) movably connected with the adjusting rods (20) are fixedly installed on two sides of the second flange plate (18), bolts (22) are installed on the adjusting blocks (21), and a plurality of thread grooves (23) are uniformly formed in one side of the adjusting rods (20).
  4. 4. A laboratory hot fluorine defrosting system according to claim 3, characterized in that the bottom of the outdoor evaporator (4) is fixedly provided with a supporting seat (24), the supporting seat (24) is provided with a collecting box (25) in a sliding manner, and the outdoor evaporator (4) is provided with a plurality of drainage grooves (26).
  5. 5. The hot fluorine defrosting system for a laboratory according to claim 4, wherein a fixing plate (27) is fixedly installed on one side of the supporting seat (24), a spring (28) is fixedly installed on one side of the fixing plate (27), a limiting rod (29) penetrating through the fixing plate (27) is installed at one end of the spring (28), and a limiting block (30) is fixedly installed on one side of the collecting box (25).
  6. 6. The hot fluorine defrosting system for laboratory according to claim 5, wherein the diameter of one end of the limiting rod (29) is identical to the inner diameter of the clamping groove on the limiting block (30).
  7. 7. The hot fluorine defrosting system for laboratories according to claim 6, wherein a plurality of sliding grooves (31) are provided on the top of the collecting box (25), and two cover plates (32) are slidably installed between the two sliding grooves (31).

Description

Hot fluorine defrosting system for laboratory Technical Field The utility model relates to the technical field of enthalpy difference laboratories, in particular to a hot fluorine defrosting system for a laboratory. Background The majority of heating working conditions in enthalpy difference laboratories are low-temperature high-humidity working conditions. For example, the dry bulb is 2 ℃ and the wet bulb is 1 ℃, the humidity of the dry bulb is 0 ℃ and 100%, and the series of working conditions are extremely easy to frost and have longer duration. Since the heating conditions are mostly in the low temperature section, the experimenter mostly arranges the heating conditions together for the test progress to experiment one by one. Although this approach increases the efficiency of the experiment, rapid frosting of the outdoor evaporator can lead to rapid degradation of the compressor operating efficiency, even with significant liquid back leading to compressor liquid hammer damage. Most of the existing laboratories adopt defrosting modes such as water defrosting, hot air defrosting, electric heating defrosting, manual temperature rising defrosting and the like to defrost the outdoor evaporator, but the defrosting modes not only can influence the humidity in the laboratories, but also can control the humidity in a required range, and meanwhile, the defrosting process is quite long, so that the efficiency of experiments is reduced. Disclosure of utility model The utility model aims to provide a hot fluorine defrosting system for a laboratory, which aims to solve the problems in the background technology. The technical scheme includes that the hot fluorine defrosting system for the laboratory comprises a shell-tube condenser, a compressor, an indoor evaporator and an outdoor evaporator, a hot fluorine defrosting mechanism is arranged among the shell-tube condenser, the compressor, the indoor evaporator and the outdoor evaporator, the hot fluorine defrosting mechanism comprises a liquid supply pipeline which is arranged on one side of the shell-tube condenser and is connected with the indoor evaporator and the outdoor evaporator, a first automatic ball valve is fixedly arranged on the liquid supply pipeline, a first return air pipeline which is connected with the compressor is arranged on one side of the outdoor evaporator, a second return air pipeline is arranged on the first return air pipeline, a second automatic ball valve and a third automatic ball valve are respectively arranged on the first return air pipeline and the second return air pipeline, a third return air pipeline which is connected with the shell-tube condenser and the first return air pipeline is arranged on one side of the compressor, a pressure regulating valve is arranged on one side of the third return air pipeline, and the pressure regulating valve is arranged on the other side of the third return air pipeline, and the electronic expansion valve is arranged on the other side of the outdoor evaporator. As a still further proposal of the utility model, the surfaces of the shell-and-tube condenser, the compressor, the indoor evaporator and the outdoor evaporator are respectively and fixedly provided with a first flange, the liquid supply pipeline, the first air return pipeline and the third air return pipeline are respectively and fixedly provided with a second flange, and corrugated pipes are arranged between the first flange and the second flange. As a still further scheme of the utility model, two sides of the first flange plate are fixedly provided with adjusting rods, two sides of the second flange plate are fixedly provided with adjusting blocks movably connected with the adjusting rods, the adjusting blocks are provided with bolts, and one side of each adjusting rod is uniformly provided with a plurality of thread grooves. As a still further proposal of the utility model, the bottom of the outdoor evaporator is fixedly provided with a supporting seat, the supporting seat is provided with a collecting box in a sliding way, and the outdoor evaporator is provided with a plurality of drainage grooves. As a still further scheme of the utility model, a fixed plate is fixedly arranged on one side of the supporting seat, a spring is fixedly arranged on one side of the fixed plate, a limiting rod penetrating through the fixed plate is arranged at one end of the spring, and a limiting block is fixedly arranged on one side of the collecting box. As a still further proposal of the utility model, the diameter of one end of the limiting rod is identical with the inner diameter of the clamping groove on the limiting block. As a still further proposal of the utility model, the top of the collecting box is provided with a plurality of sliding grooves, and two cover plates are arranged between the two sliding grooves in a sliding way. Compared with the prior art, the utility model has the beneficial effects that: 1. The utility model provides a hot fluo