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The material and process analysis of bag filter pulse valve mainly involves aspects such as its structure, material selection, working principle and application.

I. Structure and Materials of Pulse Valves

The pulse valve is a key component in bag-type dust collectors, and its main function is to clean the filter bags by blowing compressed air. According to the data, the structure and material of the pulse valve have a significant impact on its performance and lifespan.

1. Structural features

– Valve body and valve cover: The valve body and valve cover are usually made of aluminum alloy by die-casting, and after surface treatment, they have excellent anti-corrosion performance.

– Diaphragm and sealing parts: The diaphragm and sealing gasket are vulcanized and compounded by a new process, featuring excellent sealing performance and corrosion resistance.

– Electromagnetic pilot head: The electromagnetic pilot head is made of high-efficiency magnetic materials and stainless steel magnetic isolation materials. Both the spring and fasteners are made of stainless steel to enhance corrosion resistance and service life.

– Diaphragm structure: Some pulse valves adopt a double diaphragm structure, featuring sensitive control, high efficiency and long service life.

2. Material selection

– Valve body and valve cover: Aluminum alloy die-cast parts, with excellent anti-corrosion performance.

– Diaphragm and seal: Composite material, featuring excellent sealing performance and corrosion resistance.

– Electromagnetic pilot head: Made of stainless steel, enhancing corrosion resistance and service life.

Other components, such as springs and fasteners, are usually made of stainless steel or carbon steel to enhance corrosion resistance and service life.

Ii. Process and Application of Pulse Valves

1. Working principle

The pulse valve is controlled by an electromagnetic pilot head. It utilizes the pressure difference change of compressed air to deform the diaphragm, thereby achieving the opening and closing of the valve. Its working principle is based on the elastic deformation of the diaphragm and controls the opening and closing state of the valve through the pressure difference.

2. Application and Selection

– Selection criteria: The selection of pulse valves should take into account factors such as processing air volume, filtration speed, injection pressure, material and service life.

– Material and lifespan: According to the working environment and requirements, select pulse valves made of different materials such as cast iron, aluminum alloy, and stainless steel to enhance their service life and reliability.

– Installation and Maintenance: The modular design facilitates quick disassembly and replacement, reducing maintenance costs and time.

3. Application fields

Pulse valves are widely used in industries such as cement, power, metallurgy, and chemical engineering, especially as core components of the cleaning system in bag-type dust collectors.

Iii. Performance and Maintenance of Pulse Valves

1. Performance characteristics

– Sensitive control: The double diaphragm structure features sensitive control, high efficiency and long service life.

– Corrosion resistance: The use of aluminum alloy die-castings and composite materials enhances corrosion resistance.

– Service life: Reasonable selection and maintenance can extend the service life.

2. Maintenance and Precautions

– Installation environment: Waterproof solenoid pulse valves should be selected in high humidity and corrosive environments.

– Regular inspection: Regularly check if the fasteners are loose to ensure the normal operation of the equipment.

Iv. Summary

The material and process analysis of bag filter pulse valve indicates that its structural design, material selection and process treatment have significant influences on the performance and service life of the equipment. Through reasonable selection, correct installation and maintenance, the service life and operational efficiency of the pulse valve can be prolonged, ensuring the efficient operation of the bag filter.

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Shanghai Bag Filtration Equipment Technology Co., Ltd.

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