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A kind of organic waste gas incinerator and incineration method

An organic waste gas, incinerator technology, applied in the combustion method, incinerator, combustion type and other directions, can solve the problems of not being widely recognized and used, organic waste gas explosion, limited application range of waste gas concentration, etc., to enhance the incineration stability. , save energy, avoid the effect of explosion safety hazards

Active Publication Date: 2019-06-18
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are two problems in introducing organic waste gas into industrial furnaces at this stage: first, the composition and flow rate of waste gas need to be relatively stable within a certain range, so as to avoid the fluctuation of waste gas from affecting the industry and affecting the fluctuation of other process parameters; , the explosion limit concentration of organic waste gas and other issues have not been given corresponding avoidance measures by authoritative organizations or units. Due to the potential safety risks involved, this technical route has not been widely recognized and used
However, when the concentration of organic waste gas is high, there is a safety problem of organic waste gas explosion, and the scope of application of the concentration of waste gas is relatively limited.

Method used

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  • A kind of organic waste gas incinerator and incineration method

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Effect test

Embodiment 1

[0040] A chemical company has multiple propylene oxide storage tanks, equipped with nitrogen protection, and the average exhaust gas emission of the storage tanks is 200Nm 3 / h, the concentration of propylene oxide is 138000mg / m 3 .

[0041] Attached figure 1 The incinerator is used to process it, and the incinerator is a horizontal cylinder structure. The cross-sectional area of ​​the incinerator keeps the gas flow rate in the incinerator at 15m / s. The distance between the non-premixed burner and the porous medium packing section is three times the maximum flame length of the burner; the distance between the 1# heating furnace tube and the porous medium packing section is three times the length of the porous medium packing section. The axial length of the porous media packing section is 6 times the diameter, and along the direction from the air inlet to the air outlet, there are preheating zone, reaction zone and heat storage zone in sequence. The filler in the preheating ...

Embodiment 2

[0044] A chemical company has tail gas from a benzene chemical plant with a gas volume of about 500 Nm 3 / h, the total hydrocarbon concentration is about 53000mg / m 3 , the main pollutants are benzene, toluene, aniline, cyclohexylamine, cyclohexane, etc.

[0045] Attached figure 1 The incinerator is used to process it, and the incinerator is a horizontal cylinder structure. The cross-sectional area of ​​the incinerator keeps the gas flow rate in the incinerator at 5m / s. The distance between the non-premixed burner and the porous media packing section is twice the maximum flame length of the burner; the distance between the 1# heating furnace tube and the porous media packing section is twice the length of the porous media packing section. The axial length of the porous media packing section is 3 times the diameter, and along the direction from the air inlet to the air outlet, there are preheating zone, reaction zone and heat storage zone in sequence. The filler in the prehea...

Embodiment 3

[0049] A chemical company has tail gas from a benzene chemical plant with a gas volume of about 500 Nm 3 / h, the total hydrocarbon concentration is about 53000mg / m 3 , the main pollutants are benzene, toluene, aniline, cyclohexylamine, cyclohexane, etc.

[0050] Attached figure 1 The incinerator is used to process it, and the incinerator is a horizontal cylinder structure. The cross-sectional area of ​​the incinerator keeps the gas flow rate in the incinerator at 5m / s. The distance between the non-premixed burner and the porous media packing section is twice the maximum flame length of the burner; the distance between the 1# heating furnace tube and the porous media packing section is twice the length of the porous media packing section. The axial length of the porous media packing section is 3 times the diameter, along the direction from the air inlet to the air outlet, there are preheating zone, reaction zone and heat storage zone in sequence. The filler in the preheating...

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Abstract

The invention discloses an incinerator for organic exhaust gas. The incinerator sequentially comprises a non-premixed burner, a porous medium charging section, a first heat extracting furnace tube, a catalytic oxidation catalyst bed and a second heat extracting furnace tube in the exhaust gas flowing direction; an air guiding opening is formed between the non-premixed burner and the porous medium charging section and used for mixing and burning of the exhaust gas and fuel, hot smoke produced after burning is subjected to high-temperature oxidation through the porous medium charging section, after high-temperature oxidation, heat is recycled through the first heat extracting furnace tube, then the exhaust gas enters the catalyst bed to be subjected to catalytic oxidation, and after heat of the oxidized exhaust gas is recycled by the second heat extracting furnace tube, the oxidized exhaust gas is discharged out of the incinerator. An incineration method for the organic exhaust gas is achieved through the incinerator for the organic exhaust gas. According to the incinerator, the purification effect of the organic exhaust gas is ensured, meanwhile, the efficiency and stability of incineration are improved, and the explosion potential safety hazard caused by concentration fluctuation of the organic exhaust gas is basically avoided.

Description

technical field [0001] The invention belongs to the technical field of environmental protection waste gas treatment, and in particular relates to an organic waste gas incinerator and an incineration method. Background technique [0002] Volatile Organic Compounds (VOCs for short) is a characteristic air pollutant of petrochemical enterprises, which refers to a general term for organic compounds with a vapor pressure greater than or equal to 0.01kPa at 20°C or corresponding volatility under specific applicable conditions . VOCs are characteristic pollutants of oil refining and petrochemical enterprises. During the production process, VOCs mainly come from process exhaust, leakage of equipment and pipeline components, storage and transportation of volatile organic liquids, and emissions of atmospheric pollutants from wastewater collection, treatment, and storage facilities. Divided into organized emission sources and unorganized emission sources, usually the proportion of uno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G7/07
Inventor 刘志禹王海波刘忠生王新赵磊
Owner CHINA PETROLEUM & CHEM CORP