The biggest disadvantage of bag filter is that the filter bag needs to be replaced. In the past, due to the small variety of filter media and poor quality, the technology of the bag is not so easy, and other reasons of the dust removal system, the life of the filter bag is short, especially at high temperatures. The filter bag, under the corrosive conditions of the flue gas, some filter bags have to be replaced in a few months, which increases the operation cost and the maintenance workload, causing inconvenience to the user.
At present, China's filter media has made considerable progress, with more varieties and higher quality, especially with the rapid development of high-temperature filter bags. For example, P84 high-temperature dust filter bags selected by Shanghai Kegesi Filter Materials Co., Ltd. are produced by Austrian companies. The fiber, PPS high temperature filter bag selection of the United States, Japan produced fiber. Meytas high-temperature dust filter bag is the collective name of Conex, produced by Nomex and the Japanese Teijin Company. The variety of foreign filter materials can basically be produced in China, as well as special filter bag varieties developed for the specific conditions of our country.
The sewing bag technology has also been greatly improved. Coguth's filter bag sewing machines are all internationally leading "three-needle and six-wire" stitching and other series of processes. Sewing filter bags are also exported to the United States, Japan, Australia and other developed countries. In addition to the increase in other technical levels of the dust removal system, the life of the filter bags has been greatly increased to more than two years, three years, four years, and some even reached seven years, to meet the requirements of users and reduce the operating costs of bag filter. .
Shanghai Kegesi Filter Material Co., Ltd. Filter Bags: Polyester Filter Bags, Polypropylene Filter Bags, Flumets Filter Bags, Glass Fiber Filter Bags, PPS High Temperature Filter Bags, P84 High Temperature Filter Bags, Metants High Temperature Filter Bags, Ether Astra Filter bags, Teflon series filter bags, choose a good filter bag material, just as to the dust collector "unloading the adhesion" makes the dust collector easy work! Therefore, the choice of filter bag must be selected to produce a strong filter bag manufacturers, bag filter dust removal efficiency of the highest advantage is irreplaceable, and filter bag short life is overcome, and has been overcome.
Therefore, in China, bag filter, especially the bag filter and high temperature filter material applied under high temperature working conditions, will get more rapid development in the next 15 years! The filter bag is the heart of the operation of the bag filter. Usually, a cylindrical pulse filter bag is vertically suspended in the dust collector. The dust gas enters the dust collector through the air inlet and passes through the hopper of the hopper to make gas. Part of the large particles of dust are separated by the force of inertia and fall directly into the hopper.
Dust-laden gas enters the filter bag filter area of ​​the box. Most of the dust is trapped on the outer surface of the filter bag. Clean gas passes through the filter material and enters the filter bag. The purified gas enters the upper box through the filter bag mouth. , and then discharged from the outlet. The induced draft fan draws dust-laden gas into the ash hopper. The dust is separated by the filter bag on the outer wall of the hopper or filter bag. The clean gas enters the filter bag and is discharged to the atmosphere through the induced draft fan. The role of the pulse valve is when the outer wall of the filter bag is dusty. The differential pressure gauge measures the increase in the differential pressure and instantly opens the pulse valve. The high-pressure gas quickly enters the filter bag and blows off the dust attached to the outer wall of the filter bag.
The filter bag is a key part of the operation process of the bag filter. The fabric and design of the filter bag should be as efficient as possible, easy to remove dust, and durable. In pulse and air box type pulse dusters, dust is attached to the outer surface of the filter bag. When the dust gas passes through the dust collector, the cage inside the filter bag is used to support the filter bag to prevent the filter bag from collapsing. The dust filter bag is an important accessory in the dust collector. We will analyze your dust collector and its mining conditions. You choose the most suitable and most favorable filter bag! We will do our best!
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