Bag filter technology and progress - bag filter, bag filter - filtration and separation industry
In 2009, China Bag Filter technology is mainly reflected in the host, filter, automatic control of quality and technical standards to improve on: bag filter for gas heat, high humidity, high concentration of fine dust, moisture absorption dust, mill cut dust, explosive dust with more flexibility; and in strengthening the cleaning, improving efficiency, reducing consumption, reducing failures, to facilitate maintenance to achieve a higher level, especially in large-scale equipment technology, processing 2 million m3
/ H flue gas dust over large areas; high temperature, corrosion-resistant filter media development, production, and high temperature, corrosion-resistant special fiber of the research, development, production and so have the breakthrough. Bag filter technology development and innovation specifically in the following areas:
(1) bag filter device structure of the large, to accommodate the large boiler unit and iron and steel, cement kiln flue gas purification;
(2) low resistance, efficient bag filter structure of the innovation to meet the needs of energy conservation;
(3), characterized by a strong pulse cleaning technology upgrade to meet the long-Bag (7 meters) cleaning requirements;
(4) developed a number of air distribution and computer simulation technology to meet the requirements of long life filter bag;
(5) special filter PPS, PTFE-made fibers developed to meet the power plant, waste incineration flue gas purification filter bag life requirements;
(6) bags of hybrid electric research and development and application of dust, to meet the needs of energy conservation;
(7) composite R & D and application of bag filters to meet the demand for dry desulfurization process;
(8) electromagnetic pulse valve performance and quality of technology upgrades to meet reliability requirements precipitator; (9) PLC, DCS control technology upgrades and modular products to meet the large and small, respectively dust control of the system requirements.
These new technologies and products have been widely used in various industries in China's economic construction.
1, the cement industry Bag filter applications in the cement industry has dominated. With the adjustment of industrial policy, the cement industry kiln cement production line of small significant reduction in new dry process cement production lines increased rapidly. Despite the financial crisis to China's economic construction, but with the introduction of the national policy of stimulating domestic demand, investment in the cement industry showed strong momentum of demand is still a great bag filter. Some cement rotary kiln Kiln, kiln dust, the original use of the ESP, but can not meet the discharge standards required, now reformed to a bag filter, to obtain good results, the concentration of smoke and dust emissions are generally in the 20mg / m3 below, the following individual to 10mg/m3. In the cement industry, electricity reform package project a great potential market. Bag filter equipment, significant progress in large scale. Cement industry raw mill, cement mill, kiln hood, bag dust kiln with increasing flow rate, air flow from the hundreds of thousands of m3, more than 100 million m3 air volume of nearly 2 million m3 air volume; particular kiln bag filter, to the end of 2008, the Pearl River Cement Plant 5000t / d scale kiln bag house filter bag life has reached more than 4 years, the following emission concentration of 10mg/m3, running resistance to 1200Pa; China's first 1 10 000 t / d cement production line kiln bag house is expected to start construction in 2010. ESP cement industry to industry, bag filter bag filter is a bright spot in 2010.
2, steel and nonferrous metallurgy industry
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