Melt Pump
- Polymer extrusion melt gear pump
- melt pump for plastic extrusion
- Polymer Reaction Kettle pump
- gear pump rubber extruder
- melt pumps for extrusion
- Melt Gear Pumps for BOPP Films
- ZB-G bearing external melt pump
- melt pump for pvc extrusion
- ZB double shaft drive melt pump
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- ZB-X Series chemical gear melt pump
- PID Control System for extrusion
- PLC Control System for extruder
- ZB-U series melt extrusion spinning
- ZB-E series transfer melt pump for e
- ZB-H series high temperature and hig
- ZB-R series gear melt pump for rubbe
- ZB-K series chemical stainless steel
- ZB-D series pipeline melt pump for p
- ZB-F series melt pump for reaction k
- ZB-B series dosing standard thermopl
- ZB-C series plastic granule machine
Screen Changer
- polymer melt filtration screen changer
- recycled plastic screen changer
- slide plate screen changer
- pillar screen changer
- dual bolt screen changer
- continuous screen changer
- screen changer polymer filter
- Plastic extruder filter extrusion sc
- Biodegradable plastic PBAT/PLA hydra
- Single plate hydraulic screen change
- plastic extrusion screen changer
- single plate hydraulic quick screen
- Manual control screen changer
- Double plate continuous hydraulic sc
- Automatic mesh belt continuous scree
- Double piston four screen cavities c
- Single plate double screen cavities
- Single piston double screen cavities
- Double piston four screen cavities b
- Dual Bolt double screen cavities hyd
Feeding System
- force feeder extruder
- loss in weight feeder for masterbatc
- continuous feeding system
- Liquid loss in weight feeder
- china volumetric screw doser feeder
- Multi-component loss in weight feede
- Micro loss in weight metering feeder
- Single screw gravimetric dosing feed
- Twin screw loss in weight metering f
melt blown progress
contact us
- Batte Machinery Zhengzhou Co., Ltd.
- E-mail: sale@meltpump.com
- whatsapp: +86 158 38331071
- Tel: +86-371-67991755 / 67992755
- FAX:+86-371-67993277
- Address:No.11 Changchun Road, High-tech Zone, Zhengzhou, China.
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Manual control screen changer
A manual extrusion screen changer is a device designed for replacing filter screens in industrial production, and it is extensively utilized in high-viscosity melt extrusion production lines, such as those for plastic extrusion, rubber processing, and chemical fiber spinning. Its primary function is to switch the filter screen through manual operation to remove impurities from the material, thereby ensuring the continuity of the production process and the quality of the products. Below is a detailed introduction to the manual screen changer:
Structural Components
Support Frame: Acts as the supporting part of the device, typically made from high-strength materials to ensure stability and durability.
Filter Screen: Used to filter impurities from the material, usually crafted from high-temperature and corrosion-resistant materials, such as stainless steel or special alloys.
Slide Plate: The core component of the manual screen changer, featuring two channels for polymer medium flow, with a porous filter plate (filter screen) embedded inside.
Porous Plate: Also known as the filter screen plate, used for actual filtration operations.
Positioning Shaft: Ensures accurate positioning of the slide plate during the switching process.
Operating Lever: A manually operated part that enables the alternating switching between two working positions by pulling the lever.
Working Principle
Dual-Position Design: The manual screen changer typically has two filtration positions, with one in operation and the other in standby.
Switching Process: When the filter screen at the working position needs to be replaced due to impurity accumulation, the operator pulls the operating lever to move the standby position into the working location while simultaneously removing the working position for filter screen replacement.
Sealing Design: Employs an elastic sealing device to prevent material leakage during the switching process, ensuring the continuity of production.
Features and Advantages
Simple Structure: The manual screen changer has a compact design, occupies minimal space, and is easy to install.
Easy Operation: No complex control system is required; operators can complete the screen-changing operation by simply pulling the operating lever manually.
Low Cost: Compared to automatic screen changers, the manufacturing and maintenance costs of manual screen changers are lower, making them suitable for small-scale production or enterprises with limited budgets.
Wide Application Range: Suitable for high-viscosity melt extrusion production of various raw materials, including PP, PE, ABS, PS, PET, PVB, PBT, TPE, PMMA, PC, PA, etc.
High Wear and Pressure Resistance: The filter screen is designed using high-wear and high-pressure-resistant materials, enabling long-term stable operation under high-temperature and high-pressure conditions.
Application Scenarios
Plastic Extrusion: Such as in the production of drip irrigation tapes, cast films, and blown films.
Rubber Processing: Used to filter impurities during the production of rubber products.
Chemical Fiber Spinning: In chemical fiber production, the manual screen changer can be used to filter impurities from the melt, ensuring fiber quality.
Hollow Product Production: Such as in the production of hollow containers, pipes, etc.
Precautions
Screen-Changing Speed: The screen-changing speed of manual screen changers is relatively slow, usually requiring shutdown operations, which may affect production efficiency.
Filter Screen Diameter: Considering friction resistance and sealing performance, the filter screen diameter of manual screen changers is generally below 100mm.
Operational Safety: When operating in high-temperature and high-pressure environments, attention must be paid to safety precautions to avoid burns or mechanical injuries.
Email: sale@meltpump.com
WhatsApp: +86 158 38331071
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