Research background of air-heated vaporizer defogging device-Duer Equipment
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- Time of issue:2021-04-22
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(Summary description)Air-heated vaporizer is a new type of high-efficiency, environmentally-friendly and energy-saving device that uses air for heat exchange. It is mainly used for low-temperature (-104℃~-196℃) fluids, such as: LO2, LN2, LAR, LNG, LC2H4 The gasification of other low-temperature media, that is, the conversion of low-temperature liquid into normal temperature gas, to meet the applications of steel, solar energy, electronics, shipbuilding, natural gas industry, chemical industry and other fields.
Research background of air-heated vaporizer defogging device-Duer Equipment
(Summary description)Air-heated vaporizer is a new type of high-efficiency, environmentally-friendly and energy-saving device that uses air for heat exchange. It is mainly used for low-temperature (-104℃~-196℃) fluids, such as: LO2, LN2, LAR, LNG, LC2H4 The gasification of other low-temperature media, that is, the conversion of low-temperature liquid into normal temperature gas, to meet the applications of steel, solar energy, electronics, shipbuilding, natural gas industry, chemical industry and other fields.
- Categories:Industry Information
- Author:
- Origin:
- Time of issue:2021-04-22
- Views:0
Research background of defogging device
Air-heated vaporizer is a new type of high-efficiency, environmentally-friendly and energy-saving device that uses air for heat exchange. It is mainly used for low-temperature (-104℃~-196℃) fluids, such as: LO2, LN2, LAR, LNG, LC2H4 The gasification of other low-temperature media, that is, the conversion of low-temperature liquid into normal temperature gas, to meet the applications of steel, solar energy, electronics, shipbuilding, natural gas industry, chemical industry and other fields.
Generally, air-heated vaporizers with larger specifications (≥2000NM3/h) have fogging in the actual application process. Although white fog does not cause chemical pollution to the environment, the diffusion of a large amount of white fog to the production area will affect the operation The sight of personnel and the white fog of large gasification stations will generally fill the entire area, bringing safety hazards to the normal operation of the factory and road traffic. Therefore, it is very necessary to study a reasonable mist elimination device.
The generation of white mist
The large-scale air-heated vaporizer heats and vaporizes the low-temperature medium through the natural convection of the atmosphere and the heat exchange tube. After the heat exchange, the temperature of the air decreases, and the water vapor in the air condenses to form a white mist, which gathers in the air. The bottom of the carburetor and spread to the surrounding. The research results show that the area where ⊿T≦0 is the area where white fog occurs.
Demisting device description
The vaporizer defogging device invented by the company includes a fence surrounding the ground around the vaporizer. The outer side of the fence is provided with an exhaust device connected to the inner side of the fence. The exhaust device includes a bottom-to-top connection. The static pressure box, the air collector, the air duct and the air outlet elbow of the static pressure box are provided with an adjusting damper on the side wall of the static pressure box, and the air cylinder is equipped with an electric motor and an impeller connected to the electric motor.
The principle of defogging device
Concentrate the fog in the fence through the fence to prevent the fog from spreading to the surroundings; the outside of the fence is provided with an exhaust device connected to the inside of the fence. Heating), fully mixed with the surrounding air again during discharge, thereby effectively eliminating the fog, and achieving the purpose of not affecting the surrounding environment traffic and personal safety, and by increasing the air flow rate around the vaporizer, the heat exchange efficiency can be greatly improved, and the heat exchange efficiency can be effectively extended. Device switching time.
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