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A kind of recovery system of trimethylolpropane waste gas

A trimethylolpropane and recovery system technology, applied in the field of organic waste gas recovery system, can solve the problems of increasing the amount of waste water and increasing the pressure of waste water treatment

Active Publication Date: 2017-03-01
湖北宜化新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Scrubbing and combustion method: burn the exhaust gas in the above washing method in the air, basically treat the exhaust gas completely, but increase the amount of wastewater and increase the pressure of wastewater treatment

Method used

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  • A kind of recovery system of trimethylolpropane waste gas

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Embodiment Construction

[0017] The exhaust gas recovery system of the present invention includes two aspects: recycling of exhaust gas, recovery of raw materials and solvent. The waste gas treatment system includes cooling of waste gas, centralized heating and combustion by-product steam; recovery of raw materials and solvents will cool the waste gas into liquid and then recycle it, and part of the waste liquid will be sent to the organic sewage treatment station for treatment.

[0018] Waste gas recycling

[0019] The treatment of this system mainly includes the condensation, collection, heating of exhaust gas and sending the by-product steam of low-pressure boiler.

[0020] The isooctyl alcohol used in the extraction tank 1 has a part of volatilized isooctyl alcohol gas molecules under normal temperature and pressure, and this part of the gas is sent to the first condenser 6 for cooling, and then sent to the heater 13 after being buffered by the first buffer tank 7;

[0021] The gas molecules form...

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Abstract

A recovery system of trimethylolpropane waste gas comprises the steps of condensation recovery of waste gas and processing of uncondensed gas and waste liquid. According to the recovery system of the trimethylolpropane waste, the waste liquid gas is condensed into liquid for recovery, the uncondensed gas is heated and is completely turned into a gas phase, and the gas and air supplied by an air blower sufficiently are combusted in a low-pressure boiler to produce steam, and the waste gas is completely converted into carbon dioxide; the waste liquid with steam flows back and is subjected to TPM sewage treatment. The recovery system of the trimethylolpropane waste gas reduces influences on the environment by the waste gas, recovers raw materials needed by production, and saves investment.

Description

technical field [0001] The invention relates to a recovery system of organic waste gas, in particular to a recovery system of waste gas produced in the process of producing trimethylolpropane. Background technique [0002] At present, exhaust gas pollution is the main component of air pollution. Facing the increasingly severe situation of exhaust gas pollution, enterprises need to increase investment in technology, material resources and manpower when remediating exhaust gas pollution. In the process of producing trimethylolpropane, n-butyraldehyde, formaldehyde, and formic acid all have some gas molecules in the condensation kettle. The solvent iso-octanol also has iso-octanol gas molecules in the extraction process, and sodium formate exists when it evaporates. In the formic acid gas molecules, the impurity gas in the trimethylolpropane is extracted by steam vacuuming during the rectification process. There are also impurity gas molecules. How to deal with these gases is a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G7/06B01D53/00
CPCB01D53/002F23G7/065
Inventor 宋爱华郭叙灵王景平
Owner 湖北宜化新材料科技有限公司