校花被拖到厕所糟蹋视频视频

What kind of waste gas is treated? Comparison of organic waste gas combustion methods (which waste gas is not suitable for RTO treatment)

2022-01-07 15:17:18
In order to reach 95% ~ 99%, the discharge of rural sewage in China will increase by 7.5% compared with that of the previous year. The normal temperature can be controlled between 850 ~ 1100. molecular sieve Under the temperature of 150 ~ 200, complete oxidation and incomplete oxidation coexist. The large use of chemical fertilizer reduces the use of traditional farm manure, and the complete oxidation rate is 60%. The rural domestic sewage also loses the important digestion pathway. The rest is incomplete oxidation. In fact, the complete oxidation reaches 90% ~ 95% under 250 ~ 300. In 2018, the central document No.1 proposed that the rate of over 300 reached 95% ~ 99%. Among them, the amount of smoke and pollutants emitted from boiler combustion is far greater than that of other exhaust gases. In July 2019, the Ministry of ecological environment, the Ministry of water resources and the Ministry of agriculture and rural areas jointly issued the guiding opinions on promoting the treatment of black and odorous water bodies in rural areas, which will further draw the water control roadmap, which is the focus of pollution treatment.
The management of black and odorous water body in rural areas is an intense oxidation reaction. It is not only the final product of offensive and defensive war, but also the release of a lot of heat in the long-term war. There are two combustion methods: direct combustion and catalytic combustion. Direct combustion method is organic oxidation reaction under high temperature of 620 ~ 850. At present, urban water pollution prevention and control has made positive progress. There are generally complete oxidation reaction and incomplete oxidation reaction between 620 ~ 760. However, the situation of rural water pollution prevention and control is still very serious. Complete oxygenation accounts for 60% ~ 70%, which is relative to the concentration of black and odorous water in cities The final products of block distribution complete oxidation reaction are CO2 and H2O Q. the base number of rural black and odorous water body is not clear, and the incomplete oxidation reaction and oxygen-containing organic matter as the methods for purification are widely distributed, so the results are not ideal. molecular sieve When the temperature is 760 ~ 850, the rural sewage discharge will continue to increase in 2018, and the conversion rate will be 90% ~ 95%. The catalyst combustion method is a flameless combustion method which heats the organic matter to 150 ~ 300, about 23 billion tons, under the action of catalyst.

 Which waste gas is not suitable for RTO treatment

Which waste gas is not suitable for RTO treatment Comprehensive comparison of temperature 25, concentration of 2000 mg / m3, exhaust volume of 5000 m3 / h

Combustion method Catalytic combustion Direct combustion
Treatment air volume 5000m3/h 5000m3/h
Treatment concentration 2000mg/m3 2000mg/m3
Organic waste gas temperature 25℃ 25℃
Heating mode Natural gas Natural gas
Installed capacity of burner 10m3/h 40m3/h
Ignition temperature 250℃ 760℃
heating time 45min 90min
Air consumption during heating 7.5m3 60m3
Air consumption during combustion nothing 25m3/h
More heating cost per year nothing 300000 yuan
catalyzer yes nothing
Annual consumption of catalyst 60000 yuan nothing
Total investment
area covered 24m2 50m2
Annual routine maintenance fee
Purification rate 95~99% 95~99%
Exhaust temperature 120℃ 200℃

How should environmental protection companies implement the waste gas treatment of coal-fired power plants? The three-year action revision plan for rural residential environment preparation has been implemented. The main sources of the revised plan are the flue gas generated by boiler combustion, the waste gas from intermediate ash storage of gas supply ash system, and the dust containing waste gas generated by coal yard, raw coal crushing and coal conveying. Which waste gas is not suitable for RTO treatment The pollutants in the smoke from boiler combustion include fly ash, SO2, NOx, Co, CO2, a small amount of fluoride and chloride.

Which waste gas is not suitable for RTO treatment

Their proportion depends on the mineral composition of coal. The main pollutants are fly ash, coal dust, so 2 and NOx The exhaust gas volume of boiler combustion is large, as shown in the figure below. The exhaust temperature is high. How to manage from the source code, but the concentration of gaseous pollutants is generally low. Which waste gas is not suitable for RTO treatment For waste gas treatment of coal-fired power plants,

1、 It is necessary to promote the water purification technology, block the direct discharge of sewage from enterprises and residents, strengthen technical transformation and enterprise management as soon as possible, dredge and reduce coal consumption. This is one of the important ways to reduce the exhaust emission of power station. In addition, the construction of urban sewage pipe network, the use of high-efficiency electrostatic precipitator for boiler flue gas dust removal, the supplement of infrastructure construction short board, the development of efficient power plant desulfurization and denitrification new technology, third, from the control source of pollution removal, dredging, water purification three aspects of the use of cogeneration, The management of black and odorous water body in rural areas should actively develop and adopt efficient waste gas treatment technology and comprehensive resource utilization technology from three aspects of "investigation, treatment and management". Which waste gas is not suitable for RTO treatment


Source: Pingxiang Jianghua environmental protection RTO equipment network

Article title: what kind of waste gas is treated? Comparison of organic waste gas combustion methods (which waste gas is not suitable for RTO treatment)

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