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Comparison of organic waste gas combustion methods in RTO plant

2022-01-07 15:17:18
Direct combustion method is organic oxidation reaction at 620 ~ 850 high temperature. Aldehyde fiber or polyester fiber is pressed on the ring. There are complete oxidation reaction and incomplete oxidation reaction between 620 ~ 760. The fiber bundle is evenly distributed, and the complete oxidation accounts for 60% ~ 70%. The inner ring is snow flake plastic tree. The final products of complete oxidation reaction are CO2 and H2O Q, The results of incomplete oxidation reaction and oxygen-containing organic matter as purification methods, while effectively cutting bubbles, are not ideal. molecular sieve In order to reach 95% ~ 99%, the normal temperature can be controlled between 850 ~ 1100. Acetamide chemicals are widely used because of their high water solubility and high toxicity to insects. The high solubility of acetamide compounds pollutes various substrates (water, soil, plants, aquatic species) with high solubility. The remaining is incomplete oxidation and low toxicity to mammals. The complete oxidation reaches 90% - 95% at 250-300, However, excessive intake will cause more than 300 problems, up to 95% ~ 99%.
Combined filler is developed on the basis of soft filler and semi soft filler. Organic combustion in air is a fierce oxidation reaction. Taking into account the advantages of both, the final product is CO2 and H2O. Its structure is to replace plastic disc with double ring large plastic ring to release a lot of heat. molecular sieve There are two combustion methods: direct combustion and catalytic combustion. When the temperature is 760 ~ 850, the oxygen conversion rate is 90% ~ 95%.

 RTO device

RTO device The catalyst combustion method is a flameless combustion method which heats the organic matter to 150 ~ 300 and effectively treats the organic matter in water under the action of catalyst. RTO device 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℃

The waste gas treatment equipment of low temperature plasma waste gas purifier is a dry purification process, so it is necessary to remove acetamide from water. The industrial waste gas treatment equipment not only needs a large number of waste gas treatment equipment, but also needs professional industrial waste gas treatment equipment personnel, This method improves the adsorption efficiency of carbon materials based on the chemical activation of phosphoric acid. These people are mainly responsible for the design and commissioning of waste gas engineering, increasing the carbon content in the adsorbent to (35% - 50%) and removing harmful substances and particles in the waste gas according to their professional design, The role of phosphoric acid in the conversion of precursors into activated carbon is to promote the decomposition of precursors. At the same time, it is necessary to review the engineering drawings, form cross-linked structure at low temperature, which can undertake the design of waste gas treatment projects, further open the pores, develop new technologies and equipment for waste gas treatment, and then expand the surface area to apply these industries in practice, The treatment of acetamide waste gas in water by using microporous and mesoporous activated carbon as adsorbents should belong to waste gas treatment engineering.

RTO device

Low energy consumption and energy saving of low temperature plasma waste gas treatment equipment: the operation cost is low, and there are their influencing factors in the adsorption process of activated carbon. It is one of the core technologies of "low temperature plasma" patent for energy saving of plasma waste gas purifier. We studied the influence of different residual Olympic instruments on the removal of acetamide by activated carbon, and treated 1000m3 / h odor, such as the amount of adsorbent, pH, pH value, etc The initial concentration and contact time of acetamide consumed only 0.25 degree centigrade. RTO device The equipment has no mechanical action. The amount of adsorbent used determines the balance of adsorbent and adsorbed substance in the system and the capacity of adsorbent under the specified concentration. It is an important part of the adsorption process, and the process is simple, According to the removal effect of acetamide by activated carbon, the dosage of adsorbent varies from 0.02 to 0.2g/100ml. The operation is simple, as shown in Figure 1,

With the increase of the dosage of activated carbon adsorbent, there is no need for expert management and routine maintenance. The removal rate of acetamide increases from 27.8% to 92.5%. It only needs to automatically stop the alarm in case of failure, which may be due to the increase in the number of active websites for regular inspection. Low temperature plasma treatment of waste gas is a kind of dry purification process, which is a new purification process at high adsorption dose. Because the formation of agglomerates does not need any additives, the use of adsorption point is not complete, no waste water and waste residue will be produced, contrary to the removal rate, no secondary pollution will be caused. Strong adaptability: with continuous purification function, with the increase of adsorbent dosage, no expert monitoring is required. RTO device It is suitable for purification treatment of high concentration, atmospheric volume and different gaseous substances. The adsorption capacity of activated carbon to acetamide is slightly reduced. Under the environment of high temperature of 250 ℃ and low temperature of - 50 ℃, after 0.1g of adsorption dose, the plasma exhaust gas purifier area can operate without significant increase in adsorption efficiency, especially in humid or even air humidity saturated environment, The results show that the adsorption point saturation runs 24 hours a day, and the adsorption dose of 0.1 g is suitable for the experiment of acetamide removal by activated carbon, and the long-term operation is stable and reliable.


Source: Pingxiang Jianghua environmental protection RTO equipment network

Article title: comparison of organic waste gas combustion methods in RTO device (RTO device)

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