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RT-129 stainless steel melt filter cartridge
A stainless steel melt filter cartridge is a high-performance filtration component used in industrial processes that involve filtering molten materials, particularly polymers like plastics. Here's a detailed overview:
1. Purpose
The primary purpose of a stainless steel melt filter cartridge is to remove impurities and contaminants from molten materials (often called "melt"), such as polymers in plastic and synthetic fiber production.
This filtration step is crucial for ensuring high-quality output in products like plastic films, fibers, and molded components by preventing defects caused by contaminants.
2. Construction
These cartridges are made from stainless steel, offering excellent durability, heat resistance, and corrosion resistance.
Common materials used include 304 or 316 stainless steel, which can withstand the high temperatures and pressures associated with melt filtration processes.
The cartridge may feature layers of sintered stainless steel mesh or a perforated structure to offer fine filtration while maintaining strength and integrity under extreme conditions.
3. Types of Stainless Steel Melt Filter Cartridges
Woven Wire Mesh: Made from woven stainless steel wires, forming a mesh with precise openings for effective filtration.
Sintered Metal Filter: Created by sintering (heating metal powder below its melting point) to form a porous but rigid structure that provides fine filtration and high strength.
Perforated Metal Cartridge: A solid metal sheet with holes, used as a support structure for other filtering media or for coarse filtration.
4. Key Features
High Temperature Resistance: Suitable for filtering molten polymers that require processing at temperatures ranging from 200°C to over 300°C.
Mechanical Strength: Stainless steel is capable of withstanding high pressures and mechanical stress during filtration.
Corrosion Resistance: Ideal for applications where exposure to chemicals, acids, or high moisture levels is expected.
Reusability: These cartridges can often be cleaned and reused multiple times, making them an economical choice for long-term applications.
Fine Filtration Capability: Available in various mesh sizes and filtration ratings, from coarse to ultra-fine (e.g., 5 microns to 200 microns), allowing tailored filtration based on specific needs.
5. Applications
Polymer Processing: In extrusion and injection molding, where removing impurities from the polymer melt is critical to achieving high-quality end products.
Textile Industry: For the production of synthetic fibers, where clean polymer melts are necessary to avoid defects in the fibers.
Recycling Industry: To filter recycled polymers, removing contaminants that may have accumulated during previous uses.
Chemical Processing: In any high-temperature chemical process where molten materials need purification.
6. Advantages of Stainless Steel Filter Cartridges
Durable and Long-Lasting: Stainless steel provides a long service life, especially in harsh operating environments.
Low Maintenance: These cartridges are easy to clean, often using backwashing, ultrasonic cleaning, or chemical cleaning processes.
High Efficiency: Stainless steel cartridges are highly effective in capturing both small and large particles, ensuring consistent product quality.
Versatile: Suitable for a wide range of melt filtration applications due to the adaptability of the filtration mesh and construction.
Stainless steel woven mesh is made of stainless steel wire.
First, the characteristics of stainless steel filter element
(1) All stainless steel structure, wide chemical compatibility.
(2) High porosity, good permeability, low resistance, low use pressure difference.
(3) Good regeneration performance, can be used repeatedly by chemical cleaning, high temperature and ultrasonic cleaning.
(4) After folding, the filtration area is large and the amount of pollution is large.
(5) High temperature resistance, corrosion resistance, suitable for high viscous liquid filtration.
Second, the application of stainless steel filter element
(1) Pharmaceutical industry: pre-filtration of various antibiotics and other pharmaceutical liquids.
(2) Chemical industry: filtration of various organic solvents, acids and lye.
(3) Food and beverage industry: wine, mineral water, drinking water filtration.
(4) Electronics industry: high purity water pre-filtration.
(5) Petroleum industry: oilfield water injection filtration.
Sintered Metal Filter Element
- Variations: Sintered stainless steel filter, Sintered metal mesh filter, Sintered porous filter element.
- Uses: These filters are used in high-pressure or high-temperature applications, such as chemical processing, oil and gas industries, and fluidized bed filtration.
Melt Filtration System
Melt process filtration system, Melt filtration unit, Polymer melt filtration system.
Describes a system designed to filter and remove impurities from molten polymers or other materials during their melt phase, improving production quality in industries like plastics extrusion.
| Breathability | Porosity | Pollution holding capacity | thickness | Breaking strength | |||||
| L/(min.dm2) | (%) | (mg/cm2) | (mm) | (MPa) | |||||
| Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation | Basic Value | Deviation |
| 47 | 10% | 75 | 10% | 5 | 10% | 0.3 | 10% | 32 | 10% |
| 63 | 76 | 6.5 | 0.3 | 36 | |||||
| 105 | 75 | 7.8 | 0.37 | 32 | |||||
| 205 | 79 | 8.6 | 0.4 | 23 | |||||
| 280 | 80 | 15.5 | 0.48 | 23 | |||||
| 355 | 80 | 19 | 0.62 | 20 | |||||
| 520 | 80 | 26 | 0.63 | 23 | |||||
| 670 | 78 | 29 | 0.68 | 26 | |||||
| 1300 | 85 | 36 | 0.62 | 28 | |||||
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