Combustion device for volatile organic composites and simulating detection device and method of combustion device

An organic compound and combustion device technology, applied in the field of air pollution control, can solve the problems of VOCs irritating odor, human harm, carcinogenicity, etc., to improve heating speed and energy conversion efficiency, reduce reaction energy consumption, improve degradation and mineralization. effect of conversion rate

Active Publication Date: 2019-04-05
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Application Information

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Problems solved by technology

From the perspective of the human body, the vast majority of VOCs have pungent odors and certain toxicity, and some are even carcinogenic, causing great harm to the human body

Method used

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  • Combustion device for volatile organic composites and simulating detection device and method of combustion device
  • Combustion device for volatile organic composites and simulating detection device and method of combustion device
  • Combustion device for volatile organic composites and simulating detection device and method of combustion device

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Effect test

Embodiment

[0040] A volatile organic compound combustion simulation detection device of the present invention includes: a microwave emission system, a catalytic combustion chamber, a VOCs waste gas import and export pipeline, and a tail gas absorption and detection port arrangement system.

[0041] The microwave emission system is installed on both sides of the catalytic combustion chamber, and the microwave power on each side is 1040w. Catalytic combustion chamber length × width × height = 320 × 320 × 320mm, Cu-Mn-Ce / SiC honeycomb catalyst is placed in the catalytic bed 4, and the catalytic bed 4 is surrounded by tin foil paper wrapped with high-temperature resistant glass wool for heat preservation and to prevent VOCs exhaust gas from being uncatalyzed Oxidation treatment and escape. The VOCs exhaust gas inlet and outlet pipes are stainless steel round pipes lined with wire mesh to prevent microwave leakage. The microwave transmitting system includes an independent power supply device...

Embodiment 2

[0054] A kind of simulation detection method of volatile organic compound combustion of the present invention, in experimental research, air enters reaction device through compressed air pump, and the gas volume measured by air flow meter is 16m 3 Enter the evaporating flask after / h; liquid toluene is injected into the evaporating flask at a speed of 5.0mL / h or 10.0mL / h through a micro-injection pump to volatilize and mix with air, so that the concentration of toluene at the air inlet is controlled at 500mg / m 3 or 1000mg / m 3 The experiment uses a resistance furnace to heat the gas in the evaporating bottle. The high temperature of the evaporating bottle makes the liquid toluene completely volatilize and mix with the air. The mixed gas enters the buffer bottle for further mixing; the mixed gas enters through the air inlet Microwave assisted catalytic combustion device for oxidation reaction. Gas sampling points were respectively set at the positions where gaseous toluene ente...

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Abstract

The invention discloses a combustion device for volatile organic composites and a simulating detection device and method of the combustion device. The combustion device comprises a microwave emittingsystem, a catalysis combustion chamber and a catalysis bed; a waste gas inlet and a waste gas outlet are formed in the catalysis combustion chamber; a catalyst is arranged on the catalysis bed; the catalysis bed is fixedly arranged in the catalysis combustion chamber; the waste gas inlet and the waste gas outlet are located on two sides of the catalysis bed; the microwave emitting system comprisesa microwave emitting device which is arranged on the catalysis combustion chamber; the microwave emitting device communicates with the catalysis combustion chamber through a waveguide pipe; and microwave emitted by the microwave emitting device can enter the catalysis combustion chamber through the waveguide pipe. According to the combustion device, the catalyst fixing bed is heated by microwave;VOCs waste gas is catalyzed, oxidized and mineralized high-efficiently; the degradation and mineralization rate can be improved; and reaction energy consumption is lowered.

Description

technical field [0001] The invention belongs to the technical field of air pollution control, and in particular relates to a combustion device for volatile organic compounds (VOCs) and a simulation detection device and method thereof. Background technique [0002] With the development of the economy and the improvement of people's living standards, air quality standards are getting higher and higher, and air pollution has received more and more attention from the people of the country and the government's supervision and governance within a limited period. VOCs is the English abbreviation of volatile organic compounds (volatile organic compounds), which have the characteristics of high vapor pressure, flammability and explosion, and volatile under normal temperature and pressure. VOCs come from a wide range of sources, generally divided into two types: fixed sources and mobile sources. Mobile sources mainly use exhaust gas emitted by vehicles fueled by petroleum products, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/07G01N33/00
CPCF23G7/07F23G2204/203F23G2209/14G01N33/0009
Inventor 卜龙利都琳贺利娜刘嘉栋宁轲
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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