捕鱼大作战

Quality and technical requirements of bag filter bag cages-Novo Environmental Protection Equipment

诺和布袋除尘器
  • 布袋除尘器多种行业解决方案
  • 除尘布袋厂家直销

Quality and technical requirements of bag cages

Source: Novo environmental protection equipmentRelease time: 2016-6-15 11:12:21
布袋除尘器袋笼质量及技术要求
Bag cage is one of the most important accessories to ensure the normal operation of the filter bag on the bag filter. The production and installation quality of the bag cage directly affects the dust removal effect and use efficiency of the bag dust collector. According to the process of production, painting and installation of bag cages, Novo has analyzed the product quality control that affects the bag cages of bag filters.Novo has formulated a reasonable process and strictly implemented and eliminated human factors It is the key to producing qualified products for bag cages.
Phone: 0317-8315225 Fax: 0317-8315251
Bag cage is one of the most important accessories to ensure the normal operation of the filter bag on the bag filter . The production and installation quality of the bag cage directly affects the dust removal effect and use efficiency of the bag dust collector . According to the process of production, painting and installation of bag cages , Novo has analyzed the product quality control that affects the bag cages of bag filter.Novo has formulated a reasonable process and strictly implemented and eliminated the influence of human factors. It is the key to producing qualified products for bag cages .
Bag cage, also known as filter bag keel, {a} 357 {/ a}, filter bag frame, filter bag frame is one of the most important accessories used in bag dust collectors to ensure the normal operation of filter bags. The production and installation quality of the bag cage directly affects the dust removal effect and use efficiency of the bag dust collector.
Bag cages can be divided into circular, trapezoidal, flat, long and short, single and multiple sections, etc. according to shape, size and structure. Novo manufactures two types of products: low pressure long bag rotary spray bag dust collector developed by German Lurgi technology and Tsinghua Tongfang patented low pressure long bag line spray bag dust collector. Since 2007, our company has introduced a bag cage production line and started to produce two types of flat and round bag cages supporting the above two types of dust collectors. The following is a brief analysis of the quality control of bag cages in combination with the production process of bag cages.

First, the design of the bag cage of the bag filter

Novo's bag cage was developed on the basis of digestion and introduction of technology. The actual design parameters of the bag cage are changed according to the design of the dust collector.

In general, we use round bag cages for line spray dust collectors, and choose the diameter, length, and structural form of the bag cages according to the filter bag technical plan; while rotary spray dust collectors use flat multi-section bag cages. The structural form, the number of sections, and the length vary with the specific design.

In the design process of the bag cage, the actual working conditions of the dust collector must be accurate and comprehensive to be able to correctly select the raw materials and spray materials of the bag cage. The structural strength requirements of the bag cage determine the structure of the bag cage. Reasonable design is a prerequisite to ensure the normal operation of the bag cage and high-quality operation of the dust collector in the future.

Production of bag cages

1. Raw materials. High-quality raw materials are the basis for producing qualified products. Due to the differences in the production processes of the manufacturers, the physical properties of the round steel wires we use are not the same. For us, tests must be performed to understand the performance of the raw materials used, and compared with other batches of raw materials for trial production. Only then can the technical parameters of production be reasonably worked out.

2. Debugging of production equipment. The quality of equipment debugging determines the quality of bag cage production. The commissioning of the equipment is highly technical, and it is necessary to select a person with strong technical skills and a strong sense of responsibility, and a person in charge is responsible. In the early experiments, because of our lack of experience in the installation and use of equipment, strange phenomena often occur in the produced bag cages: all indicators are qualified during production, but after a period of time, a large number of open welding occurs. Working together in all aspects of technology, production, quality, etc., after conducting a large number of tests, it was found that the current insulation of the equipment was improperly handled when the equipment was installed, and the current was shunted during work, which weakened the welding current and caused false welding. After processing, this problem was completely solved.

3. Production process. Reasonable arrangement of the process path is the key to ensuring quality. The two types of bag cages have different structures, so the production processes are different.The same are: straightening, ringing, welding rings, welding bag cages, welding top covers, welding bottom covers, flat bag cages and forming of deformation rings. And the process of welding plug-in boards. The quality of each process will affect the quality of the finished product, so the process arrangement of the production process must be considered when installing the equipment.It must be able to cooperate with fast and orderly, and also facilitate inspection and supervision. Put in order and set up signs for easy differentiation and post-processing.

Third, the bag cage coating

The quality of the coating plays a vital role in the quality, performance and service life of the bag cage. Construction and quality control must be organized in strict accordance with the requirements of the coating process.

1. Surface treatment: Chemical treatment is generally used to remove the oil, rust, scale and other sundries on the surface of the bag cage, and the factors affecting chemical and polar combinations are excluded.

2, choose the coating construction method: according to the working conditions of the dust collector to determine the filter bag and the coating of the cage, we generally choose galvanized and sprayed silicone.

3. Quality control of the coating process: In strict accordance with the requirements of the coating construction process, supervise and inspect the pretreatment, construction environment, process parameters, handling, and repair, so as to ensure the coating quality of the bag cage.

Fourth, bag dust collector bag cage transportation

Bag cages generally go through the long-distance transportation process from the production factory to the installation site. In this process, loading, unloading, and transportation often damage and damage the bag cages. Therefore, appropriate measures must be taken to prevent damage and damage. We use a long plastic bag set for the bag cage and seal the bag mouth. At the same time, the special bag cage turnover box used at the same time can avoid most losses.

Fifth, the installation of bag cages

Installation is an important part of the manufacture of dust collectors. There is a common understanding in the dust removal industry: the quality of the dust collector is three-point production and seven-point installation. The installation of the bag is the most important part of the installation of the bag type dust collector, and the installation of the bag cage will determine whether the bag can work normally and for a long time in the use cycle.

1. Inspection before installation: Before installation, the bag cage used must be carefully inspected. Since there may be damage or damage in the previous link, the inspection before installation is the last link to avoid damage to the filter bag and ensure the high-quality operation of the dust collector. All the cages to be used shall be inspected one by one, and no defects or omissions shall be missed. For the unusable products that have been checked out, reasonable disposal measures should be taken before they can be used for installation.

2.During the installation, check the matching of the dust bag and the bag cage: Since the bag filter has a very high degree of cooperation between the flower plate, the bag and the bag cage, the bag cage must be strictly controlled when installing the bag cage. The gap between the two, the matching gap exceeds the technical requirements immediately replaced.

3.Re-inspection after installation: After the installation of the bag cage, check the installation of all the bag cages, determine the quality of the installation one by one, and focus on the cooperation between the top of the bag cage and the bag opening and the Stable performance.

Conclusion: To sum up, the design, production, installation, and materials of bag cages will affect the quality of bag cages. Only by improving the awareness of quality control in the entire process from production, manufacturing to installation of bag cages is it The key to effectively controlling the quality of bag cages is.


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