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    Waste gas treatment equipment for cyclone plate column{waste gas treatment equipment} waste gas treatment technical direction

    来源:admin(传梦环保整理发布)   时间:2018-08-09

    {waste gas treatment equipment} waste gas treatment technical direction: from the development of green dyeing and finishing technology at home and abroad and experience, the flue gas treatment technology of dyeing and finishing machine has the following 4 obvious development trends. The energy utilization and oil recovery in the heat utilization and oil recovery molding machine can produce significant economic benefits. It is the power of the enterprise to turn passively and to carry on the driving machine. Heat energy utilization. Setting machine is a key energy consuming equipment. Its energy consumption usually accounts for more than 40% of the total energy consumption of dyeing and finishing enterprises. It is an important part of energy saving and emission reduction in dyeing and finishing enterprises. The setting machine has high exhaust gas temperature and large volume of gas, resulting in a large amount of energy waste directly discharged. High exhaust gas temperature is also not conducive to subsequent purification. Efficient operation of the unit and heat recovery are essential pretreatment units for waste gas treatment. Heat exchange can be used to recover some of the heat contained in the exhaust gas, resulting in good economic benefits. The heat recovered by water / gas heat exchanger is mostly stored in hot water. It can be used in the cooking process in the printing and dyeing industry. Using the gas / gas heat exchanger, using the heat in the exhaust gas to preheat the fresh air to the heat setting process, the boiler can reduce the fuel consumption by more than one hundred thousand yuan a year. Oil recovery. The high temperature exhaust gas from the setting machine contains a variety of organic compounds, which are very harmful to human health and the ecological environment. In the process of waste gas purification, black brown oil is commonly known as chemical fiber oil, which can be used as a film mold agent for industrial buildings with good performance. It sells for 3500~4000 yuan per ton, and the recovery of waste oil 50kg per day according to each setting machine can produce an economic benefit of tens of thousands of yuan a year. The composition of the combined process and the deep purification molding machine is complex, and often contains a large number of sub micron grade sticky particles. The treatment efficiency of the single conventional process is not high. It is necessary to use the combined technology including the high voltage electrostatic precipitator and the deep treatment of the flue gas to achieve a good purification effect. Combined process. Some organic compounds can be condensed and condensed from gaseous molecules into liquid particles, which helps to improve the efficiency of subsequent purification units. The purification efficiency of fume can reach 60%~75% by filtration adsorption and wet washing, and more than 95% of the purification efficiency can be obtained by electrostatic capture and incineration purification. The flue gas treatment of stereotyped machines in China has gone through two stages: simple treatment based on mechanical dust removal and standard treatment based on wet washing.

    There are significant differences in maintenance cycle, investment operation cost, operation simplicity and safety reliability. Practice has proved that single process equipment is difficult to achieve the goal of effective control of waste gas. For example, when the wet washing method is used, the flue gas not only has a large number of fumes, but also has more white water vapor, which still affects the health of the workers and the normal life of the people around them. Deep purification. Incineration combustion has high removal efficiency for oil fume, but it is seldom used in practice because of its operation cost, simplicity of operation and safety reliability. The purification treatment effect of high pressure electrostatic precipitator is the most remarkable in the treatment of oil and gas containing oil and gas in various setting machines, which has the advantages of high dust removal efficiency and compact structure of equipment. The key to ensure the normal use and stable operation of the high voltage electrostatic precipitator is to maintain and eliminate the hidden danger of the fire accident and to clean up and slow down the pollution of the high voltage electrode in time. The environmental pollution caused by the exhaust gas of the stereotype machine has attracted great attention. In recent years, some cities in the southeastern coastal areas of China have made certain achievements in the special treatment of dyeing and finishing machines. Taking Shaoxing County of Zhejiang Province as an example, the county began to deepen the dyeing and finishing revolution in 2006 and realize a major turning point from water control to gas treatment. The operation requires the waste gas purification equipment installed by the enterprise, and it must conform to the standard regulations and inspection standards of environmental protection, quality supervision and safety supervision departments. The collection rate of exhaust gas is above 90%, the removal rate of total particulate matter is 80%, the removal rate of oil fume reaches 75%, and two pollution is taken against the wastewater and waste oil after purification treatment. Measures. Up to now, the county's stereotypes are basically equipped with waste gas purification devices, the regional atmospheric environment quality has been significantly improved. The special treatment of exhaust gas of the existing problem setting machine has achieved certain results. Because of the disadvantages of high price and inconvenient maintenance, most enterprises adopt domestic self developed control methods, including mechanical purification, wet cleaning, electrostatic capture and incineration and purification. Technology, water/gas heat recovery-electrostatic precipitation and gas/gas heat recovery-spray washing process. Compared with the technical requirements of the effective recovery of heat energy, the discharge of the flue gas, and the stable and reliable operation of the flue gas, the waste gas treatment project has been implemented in different degrees, and there are many problems in different degrees, such as the low efficiency of flue gas purification, the great potential of heat recovery and the hidden danger of fire accidents. In addition, due to China's lack of relevant emission standards and corresponding detection methods, it is difficult to effectively implement environmental supervision on the flue gas emission from stereotypes.

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    Zouping Shuaike Painting Purification Equipment Co., Ltd. is a subsidiary of Guangzhou Jiuhua Machinery Equipment Co., Ltd. It specializes in the design and manufacture of environmental protection painting equipment. Its main products are UV photocatalysis, spray tower, swirl tower, activated carbon environmental protection box, water curtain cabinet, central dust removal, paint baking room ass...

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