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Desulphurization tower flange seals Description
The desulphurization tower flange seals are a key component used in the scrubber system, and its main role is to ensure the tightness of the scrubber during operation, prevent gas leakage and external air ingress, to ensure the desulfurization efficiency and system safety. The following is a detailed introduction to the flange seals of the scrubber tower:
How it works
Desulphurization tower flange seals are usually installed at the flange joints of the scrubber and are sealed by the elasticity and compressibility of the seals. In the scrubber, the flue gas comes into contact with the alkaline absorbent and undergoes a chemical reaction to convert sulfur dioxide into substances such as sulfate or stearate, reducing sulfur dioxide emissions. Flange seals prevent flue gas leakage during this process and ensure reaction efficiency.
| Product name | Desulphurization tower flange seals |
| Product material | NBR, FKM, PTFE, Metal |
| Hardness (Shore A) | 20 to 90 |
| Applicable temperature °C | -50° to 260° |
| Color | Black, orange, blue, yellow, green, custom |
| Size | Standard/ Custom |
| Advantage | Abrasion resistance, corrosion resistance, high temperature, and high pressure resistance |
| Application | Desulphurization tower |
| Certification | ISO: 9001, ISO: 14001, IATF: 16949 |
Material selection
The choice of material for desulphurization tower flange seals is critical as they need to withstand corrosive media such as scrubbers and ammonia inside the scrubber. Commonly used materials include:
Rubber materials: with good elasticity, wear resistance, and corrosion resistance, commonly used rubber materials are nitrile rubber, fluorine rubber, silicone rubber, ethylene propylene rubber, etc.
Polytetrafluoroethylene (PTFE): It has excellent corrosion resistance and high temperature resistance, and is suitable for various corrosive media and high-temperature environments.
Metal materials: such as stainless steel, copper, aluminum, etc., with good wear resistance and corrosion resistance, suitable for high temperature and high pressure environments.
Technical Specifications
The technical specifications of the scrubber flange seals need to be determined according to the specific operating environment and media characteristics. For example, the temperature, pressure, and chemical properties of the medium will affect the design and selection of seals. Some common specifications include:
Pressure level: such as PN0.1MPa, PN10, etc., indicating the pressure level that the seal can withstand.
Dimensions: such as DN1400, DN1100, etc., indicating the diameter of the flange.
Material: such as 304 stainless steel, 0Cr18Ni9 (316 stainless steel), etc., according to the corrosiveness of the medium choose the appropriate material.
Apply
Desulfurization tower flange seals are widely used in desulfurization systems in coal-fired power plants, coking plants, and other industrial sites. They are used not only in the scrubbers themselves, but also in the flange connections of related pipes, valves, and other equipment to ensure the tightness and stability of the entire system.
Installation & Maintenance
Proper installation and maintenance are essential to ensure the performance of flange seals. During installation, it is necessary to ensure the flatness and processing accuracy of the sealing surface and tighten the connecting bolts evenly and symmetrically. Regular inspection and replacement of seals are also necessary to ensure the long-term stable operation of the scrubber.
In summary, scrubber flange seals are an important part of ensuring the efficiency and safety of the scrubberization system, and their material selection, technical specifications, and correct installation all have a significant impact on the stable operation of the system.
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