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Dongguan Yuchen Machinery Technology Co., Ltd. Industrial dust removal equipment manufacturers provide industrial dust extraction equipment, dust collector equipment, industrial dust collector equipment, grinding dust removal equipment, polishing dust removal equipment, workshop dust removal equipment, and provide a complete set of design solutions for workshop dust treatment plant dust treatment Quotation, see on-site service
Dongguan Yuchen Industrial Dedusting Equipment Manufacturer
Provide dust removal plan for grinding and polishing dust removal equipment workshop
Unified national service hotline:
0769-81256298 400-622-6298 0769-81256298

Transformation plan of bag filter in coking plant


Transformation plan of bag filter in coking plant:


Use the existing smoke guide and dust removal vehicle walking mechanism and body to transform the structure above the beam and increase the combustion chamber. The flue gas collected by the coal hole cover directly enters the combustion chamber, and the heat of the raw material gas itself is used to fully burn and crack, which reduces the danger of the entire purification system and is conducive to safe operation. Second, it reduces the concentration of organic compounds in the flue gas. , Make benzene solubles less than or equal to 0.7 mg / m3, and benzo (a) pyrene≤0,00016 mg / m3, which meets the relevant national emission standards; third, reduce the tar content in the flue gas and prevent tar from sticking to cloth bags Fourth, raise the temperature of the flue gas and prevent the flue gas from condensing. The outer wall of the combustion is made of 6mm steel plate, lined with anti-stripping refractory high alumina brick. Anti-stripping high-alumina refractory bricks are resistant to high temperature of 1500 ℃, low thermal conductivity, strong anti-stripping performance, resistance to cold and heat up to 26 times, and corrosion resistance to salt, sulfur and other substances.


效果: The effect of the retrofit scheme of the bag filter in the coking plant :


导焦格栅上部排放的烟尘和熄焦车接收红焦时排放的烟尘大部分被,捕集,捕集率大于90 %。 During the coal loading operation of the modified ground dust removal station, most of the dust and raw material gas generated from the coal loading holes were captured. The dust removal effect reached the clean production standard of the coking plant. Negative pressure at the top of the furnace-2500 pa. After the system's dust removal and purification, the dust concentration has dropped below 50mg / m3, which fully meets the nationally prescribed emission standards . Most of them are captured, and the capture rate is greater than 90%. After the system's dust removal and purification, the dust concentration dropped below 20 mg / m3, which fully met the national emission standards.


After optimizing and transforming the “two-in-one” dust-removal ground station for coal charging and coking, our company first changed the layout of the main pipeline, the side suction to the middle suction, cut off the valve, and reduced the air leakage rate. The leaky focal side flap was modified to move the center of rotation of the valve plate upwards, increasing the closing torque, reducing the size of the valve plate, improving the sealing structure, and solving the problem of air leakage on the machine side flap. The smoke-guided dust removal vehicle was modified, adding a combustion chamber, burning tar in the smoke, increasing the temperature of the dust, preventing the bag from hardening, and changing the dust suction port from the coke side to the machine side, effectively improving the dust removal effect of coal loading .


The ground dedusting station of the coking plant bag-type dust collector retrofit scheme was tested. The treated particles of flue gas produced by the coke oven charging with coke, SO2 and benzo (a) pyrene emissions met the National Standard for Pollutant Emissions from the Coking Chemical Industry. (GB 16171-2012) Air pollutant emission limit standards for new enterprises.



焦化厂袋式除尘器改造方案

Advantages of the retrofit scheme of the bag filter in the coking plant:


The dust collector of the ground station of the coking plant adopts the low-pressure dust removal method. The spraying process and control time of the filter bag are controlled by the electrical PLC system. The recovered dust can be taken out or pulled to the stockyard for processing. The design air volume of the dust removal system is 60,000 m3 / H. In order to ensure the dust removal effect and the safe and reliable operation of the dust removal system, adjust the air volume according to the resistance of the dust removal system and the operation of the coke oven. The ground station dust collector of the coking plant is a new type of high-efficiency long bag dust collector developed on the basis of the traditional short bag pulse dust collector. It combines the characteristics of chamber backflush and pulse dust removal, and overcomes the ordinary cavity. Disadvantages of insufficient backflushing strength of the chamber and re-attachment of ordinary pulsed dust removal dust. It also extends the filter bag and gives full play to the powerful dust removal function of compressed air. It is a large dust removal equipment with high dust removal efficiency, small footprint, and operation Stable, reliable performance and easy maintenance.


主要设计特点: The main design features of the coking plant bag filter reformation plan :


1. The non-combustion method is adopted for coal dust removal. A large amount of air is added to make the content of combustible components in the flue gas far below the lower explosive limit, ensuring that the flue gas enters the large-scale dust removal system and is safe.

2. The coke-side dust removal system collects dry coke dust and gas, and effectively absorbs harmful components, tar and moisture in coal-fired soot. No need to consider, such as heat preservation, heating, and anti-condensation measures of dust removal equipment.

3. The ground station dust collector of the coking plant uses a low-pressure pipe jet pulse dust collector, which greatly improves the dust removal capability of the dust collector, prevents dust from adhering to the filter material, and increases system resistance.

4. The design of this system gives full play to the purification and processing capacity of ground dust removal equipment. Through the special design and control of the fan and piping system, coal dust removal and coke-side dust removal are combined into one, which greatly saves investment in renovation.


提供的焦化厂袋式除尘器改造方案,更多焦化厂袋式除尘器改造方案方案致电400-622-6298,我司为您提供更多的焦化厂袋式除尘器、 焦化厂环境治理方案! The above is the coking plant bag filter reformation plan provided by Yuchen Dedusting Equipment Manufacturer . For more coking plant bag filter reformation plans, please call 400-622-6298. Our company will provide you with more coke plant bag filter. Coking plant environmental management plan!


焦化厂袋式除尘器改造方案

Dust collector equipment
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