A waste gas recovery treatment system
A treatment system and exhaust gas recovery technology, which is applied in the direction of drying gas arrangement, combustion type, lighting and heating equipment, etc., can solve the problems of insufficient energy utilization rate and energy waste of the exhaust gas recovery system
Active Publication Date: 2021-05-18
浙江金马包装材料有限公司
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Problems solved by technology
[0004] In the existing drying and heating schemes, most of the waste gas is sent to the regenerative incinerator for combustion and then discharged as in the above patent, so that harmful substances in the waste gas can be effectively removed, and at the same time, the gas discharged after combustion can The heat is recovered and used through the heat exchanger, thereby reducing the energy consumption of the entire system, but the energy utilization rate of the exhaust gas recovery system in the above patent is not high enough, the temperature of the exhausted gas is still high, and a large amount of energy is wasted
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[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0044] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right" etc. is based on the orientation or positional relationship shown in the drawings, and is only for It is convenient to describe the present invention and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the present invention.
[0045] A waste gas recovery treatment system, such as figure 1 As shown, it includes a combustion furnace 1, a waste exhaust fan 2, a fresh air fan 3, an exhaust fan 4, a fresh air high temperature heat exchanger 5, a fresh air low temperature heat exchanger 6, an exhaust gas heat ...
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The invention discloses a waste gas recovery and treatment system, which includes a combustion furnace, and also includes: a waste exhaust fan, used to send waste gas into the combustion furnace for combustion; a fresh air fan, used to provide fresh air; a fresh air high-temperature heat exchanger for supplying fresh air and The high-temperature gas discharged from the combustion furnace performs heat exchange; the waste gas heat exchanger is used for heat exchange between the medium-temperature gas after passing through the fresh air high-temperature heat exchanger and the waste gas sent into the combustion furnace. The exhaust fan sends the exhaust gas to the exhaust gas heat exchanger for heat exchange and then sends it to the combustion furnace for combustion. The high-temperature gas after combustion is sent to the fresh air high-temperature heat exchanger to heat the fresh air. In this way, the temperature of the fresh air rises to According to the requirements of drying, the high-temperature gas after heat exchange becomes medium-temperature gas, which still has a relatively high temperature, so sending it into the exhaust gas heat exchanger can effectively increase the temperature of the exhaust gas, so that the combustion furnace Energy consumption required for burning exhaust gas can be reduced.
Description
technical field [0001] The invention relates to the technical field of coating line production, in particular to a waste gas recycling and processing system. Background technique [0002] At present, in some drying fields, high-temperature gas has been adopted for drying and heating, so that the gas discharged from the dryer can be recovered and reused, which can effectively reduce the energy consumption required for air supply and heating. [0003] For example, the authorized announcement number is CN204494431U, and the Chinese patent with the application date of March 18, 2015 discloses an RTO-based color coating line exhaust gas treatment and heat recovery system, which discharges the low-temperature and low-concentration gas from the bottom coating machine room and the top coating machine room. The waste gas of volatile organic compounds is sent to the adsorption area of the concentration wheel through the low-temperature waste gas pipeline, so that the waste gas of vo...
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IPC IPC(8): F28D7/16F28F9/24F23G7/06F23L15/04F26B21/00F26B25/00
CPCF23G7/06F23G2206/10F23G2206/20F23G2209/14F23G2900/50213F23L15/04F26B21/001F26B25/005F28D7/16F28F9/24Y02E20/34Y02P70/10
Inventor 沈炳奎张利民陈刚良阮昊
Owner 浙江金马包装材料有限公司