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Structure and method for solving ice blockage problem of expansion main refrigerating machine evaporator

An evaporator and main refrigeration technology, which is applied in the direction of refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve problems affecting the normal operation of the production line, evaporator ice blockage, etc., and achieve the effect of reducing manual work intensity and downtime

Active Publication Date: 2016-06-01
CHINA TOBACCO SHANDONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the mass of each flange at both ends of the evaporator is about 90kg, and it takes 6 hours for three workers to work synchronously for each maintenance. Therefore, the ice blockage of the evaporator greatly affects The production line is running normally

Method used

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  • Structure and method for solving ice blockage problem of expansion main refrigerating machine evaporator
  • Structure and method for solving ice blockage problem of expansion main refrigerating machine evaporator
  • Structure and method for solving ice blockage problem of expansion main refrigerating machine evaporator

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Embodiment

[0031] Example: such as figure 1 As shown, a structure for solving the ice blockage of the evaporator of the expansion main refrigerator includes an evaporator body 10, the east end of the evaporator body 10 is connected to the east flange 1 of the evaporator, and the west end is connected to the west flange 7 of the evaporator. The evaporator body 10 has a carbon dioxide inlet pipe 2 , a carbon dioxide liquid return pipe 4 and a plug installation port, and the evaporator body 10 has a condensing tube bundle 6 and a gas-liquid separator 5 inside.

[0032] Next to the east flange 1 of the evaporator, an air inlet joint 3 is installed on the lower part of the evaporator body 10 . Such as figure 2 and image 3 As shown, the transition flange 11 has an air flow channel 12 in the center, and the outside of the air flow channel 13 has a stepped structure assembly hole 13 and a cylindrical structure assembly hole 13. replacement.

[0033] An air outlet valve 9 is installed on th...

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Abstract

The invention relates to a structure and method for solving the ice blockage problem of an expansion main refrigerating machine evaporator. The structure mainly comprises an evaporator body. End flanges are arranged at the two ends of the evaporator body. One of the end flanges is provided with a screwed plug installation opening. The evaporator body is provided with a carbon dioxide gas inlet pipe which communicates with a condenser pipe bundle inside the evaporator body. The condenser pipe bundle communicates with a carbon dioxide liquid return pipe. A gas-liquid partition plate is arranged inside the evaporator body. The evaporator body is further provided with a gas inlet connector. The gas inlet connector communicates with the condenser pipe bundle. A gas outlet valve is installed on the screwed plug installation opening, and the flange at one end of the evaporator body is provided with a sewage outlet. Compressed gas passes through the interior of the evaporator body and thaws ice deposits after entering the evaporator body from the gas inlet connector, and the ice deposits are changed into liquid water which flows out from the sewage outlet. Improvement is conducted on the basis of an existing main refrigerating machine evaporator structure so that high-pressure gas can be led into the evaporator to achieve rapid and efficient ice deposit removal.

Description

technical field [0001] The invention relates to the field of technical equipment related to tobacco production, in particular to a structure and method for solving ice blockage of an evaporator of an expansion main refrigerator. Background technique [0002] The evaporator of the main refrigerator at the cold end of the expansion line is connected to the carbon dioxide compressor and the process tank respectively, and undertakes the task of liquefying carbon dioxide gas at 40°C and 32bar-35bar pressure into liquid. [0003] Because of the particularity of the carbon dioxide process flow, the compressed carbon dioxide gas carries a certain amount of moisture, which is frozen by Freon in the evaporator of the refrigerator along with the carbon dioxide gas, and becomes ice, and these ices gradually block the carbon dioxide inside the evaporator The passage and flange will eventually cause the outlet pressure of the carbon dioxide compressor to exceed the set value, alarm and st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B47/00
CPCF25B47/006F25B2500/04
Inventor 刘玉民韩勇程林峰王健腾朱战营尹旭梅常静海徐令春陈孔军赵浩东
Owner CHINA TOBACCO SHANDONG IND
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