Glass fiber is a kind of artificial inorganic fiber material, and its main raw material resources are large. It has a large specific surface area, excellent specific strength, good heat resistance, physical and chemical stability, and a certain degree of functional designability. It is an excellent functional material and ecological environment material. As a new industry, glass fiber has made great progress in the past 70 years since it was born in the late 1930s. Its development history is a process in which the continuous progress of production technology and the continuous expansion of product application fields always promote each other. This interactive process has promoted the rapid growth of the total output and varieties of glass fiber, as well as the continuous improvement of labor productivity and product quality. China glass fiber industry has been striving to implement the policy of reform, opening up and scientific development since it entered the 2 1 century. With the sustained and high-speed development of national economy and the breakthrough of new technology of large-scale tank furnace wire drawing, it has developed faster and has become the largest producer in the world.

As a filter bag material, glass fiber products play an important role in filtering and purifying dusty gases, especially high temperature gases. It has been applied to carbon black, cement, metallurgy, thermal industry, and dust removal and purification in combustion flue gas and other fields in batches. 90% of German cement waste gas is purified by bag filter, which makes the cement dust loss less than 0.05% of its output, and well protects the local atmospheric environment. Japanese glass fiber filter bags account for 58% of all filter bags. With the improvement of environmental control requirements in China (for example, the emission concentration of flue gas has been reduced to below 50mg/m3, and even the standard requirement of 30mg/m3 has been put forward), the requirements for the quantity and quality of filter bags have also been improved, for example, in some occasions where the original electrostatic precipitation is mainly changed to bag filtration or bag electric combination. Bag filter has been successfully applied in 200,000 kW power plant and 5,000 tons/day cement production line, so the consumption of filter bags in China has increased rapidly in recent years, reaching 20 million square meters in 2003, 40 million square meters in 2005 and 60 million square meters in 2006. It is predicted that the average annual growth rate will be no less than 20% before 20 10. Fabric organic fabric (cloth and expanded gauze), needled felt (glass fiber and its composite with heat-resistant chemical fiber) and coated fabric (PTFE microporous membrane) in the form of glass fiber filter bag are processed into bags and installed in bag filters. The proportion of glass fiber filter bags in the total filter bags in China is about 1/3. In terms of filtration efficiency and service life, it faces competition from some chemical fiber materials and foreign products. As long as we attach importance to the characteristics of glass fiber, overcome its weaknesses and seriously improve the production technology and quality of filter bags, the market growth potential in this field will be great.

2. Glass fiber reinforced plastics (FRP) can be used as corrosion-resistant equipment, devices and structures in the process of waste gas and wastewater treatment. For example, coal-fired flue gas desulfurization devices and supporting pipelines, tail gas conveying fans after sulfur-containing and fluorine-containing flue gas treatment, some sewage treatment devices and corresponding corridors and operating platforms. Glass fiber reinforced plastic cooling tower is a key equipment for water recycling and a durable product with obvious advantages.

3. In the aspect of underground environmental protection, there has been development abroad, that is, it is combined with organic fiber materials and processed into geotechnical materials to prevent soil erosion; Spraying glass fiber on the ground can form elastic porous felt, thus protecting newly sown farmland from erosion. These can be used for our reference.

Jiangsu Okay Environmental Protection Co., Ltd. supports the production of dust bags for bag filters, provides customers with customized services for dust bags, and meets customers' needs for different working conditions, which has been fully recognized by the majority of users. Okay selects high-quality chemical fiber and adopts the latest international technology. Every square meter of filter material is heat-set at high temperature to ensure the dimensional stability of filter material to the greatest extent. According to the requirements of different working conditions, the filter material can be singed, calendered, coated, dipped, covered with film, waterproof and oil-proof. According to the requirements of customers' dust removal equipment, we exclusively produce dust bags to ensure that the filter bags are closely attached to the ceiling and avoid dust leakage from the ceiling holes.