a cold dryer
A technology of refrigerating machine and refrigerant, which is applied in the directions of dispersed particle separation, chemical instrument and method, separation method, etc. The heat exchange effect is significant, the heat exchange area is increased, and the heat exchange effect is enhanced.
Active Publication Date: 2016-12-07
林锦志
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Problems solved by technology
[0004] The present invention overcomes the fact that the precooler, evaporator and condenser of the cold dryer in the prior art are arranged separately, which is easy to cause energy waste, thereby reducing the heat exchange efficiency; moreover, the precooler is small and the evaporator The large load leads to high cooling power and high overall energy consumption; and the overall structure of the cold dryer is huge, the floor space is large, and the manufacturing cost is high. A cold dryer is provided that integrates the precooler, evaporator and condenser The combination of the three is not easy to waste energy, and the heat exchange efficiency is high; the cold dryer is compact in structure, small in size, small in floor space, and low in manufacturing cost
Method used
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Embodiment
[0026] Embodiment: a kind of cold dryer (referring to attached figure 1 ), including a refrigeration device 1, a heat exchange device 2 connected to the refrigeration device through pipes, the heat exchange device includes a cylinder body 3 with both ends closed, and several heat exchange tubes 4 installed in the cylinder body (see attached figure 2 ), a heat exchange tube is provided in this embodiment, and both ends of the heat exchange tube are in a three-stage stepped structure. The heat exchange tubes are refrigerant evaporator tube 5, compressed gas evaporator tube 6, compression Gas precooler tube 7, refrigerant cooling tube 8, the lengths of the four tubes decrease sequentially from inside to outside, between the outer wall of the refrigerant evaporator tube and the inner wall of the compressed gas evaporator tube, between the outer wall of the compressed gas evaporator tube and the compressed gas Heat exchange fins 9 are provided between the inner walls of the precoo...
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The invention discloses a cold dryer, which aims to solve the problem that the precooler, evaporator and condenser of the cold dryer in the prior art are arranged separately, which easily causes energy waste, reduces heat exchange efficiency, and The overall structure of the drying machine is huge, and the manufacturing cost is high. The invention includes a refrigeration device and a heat exchange device. The heat exchange device includes a cylinder body and a heat exchange tube installed in the cylinder body. Both ends of the heat exchange tube have a stepped structure. , compressed gas evaporator tube, compressed gas precooler tube, refrigerant cooling tube, between the outer wall of the refrigerant evaporator tube and the inner wall of the compressed gas evaporator tube, between the outer wall of the compressed gas evaporator tube and the inner wall of the compressed gas precooler tube Heat exchange fins are arranged between the outer wall of the compressed gas precooler tube and the inner wall of the refrigerant cooling tube. The cold dryer integrates the precooler, evaporator and condenser, which has high heat exchange efficiency and low manufacturing cost.
Description
technical field [0001] The invention relates to a gas dehumidification and drying device, more specifically, it relates to a cold dryer with high heat exchange efficiency. Background technique [0002] The cold dryer is the abbreviation of the refrigerated dryer. It uses a refrigeration device to reduce the temperature of the saturated compressed gas, precipitates part of the water vapor, and separates and discharges it through the gas-water separator, thereby reducing the dew point temperature of the compressed gas and drying the compressed gas. . The heat exchange components of the cold dryer are mainly precooler, evaporator and condenser. The compressed gas is forcibly cooled in the evaporator, and the saturated water vapor in the compressed gas is thus condensed into liquid water, which is separated and discharged by the gas-water separator. The main function of the pre-cooler is to reduce the heat exchange load of the evaporator and thus reduce the power of the refrig...
Claims
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IPC IPC(8): B01D53/26
Inventor 林锦志
Owner 林锦志