Product details of the hollow fiber spinning machine
Product Overview
The raw materials of Trustech hollow fiber spinning machine is superior and thus it comes out with high quality. Its quality is secured before the loading. Through years of development in hollow fiber spinning machine industry, Shanghai Trustech Technology Development Co., Ltd. have a certain degree of industry competitiveness.
Product Introduction
Our hollow fiber spinning machine has the following advantages over similar products.
Core sections of a NIPS production line NIPS
Dope preparation system
Control parameters: dissolution temperature, stirring speed, deaeration time, and vacuum level. Ensure a homogeneous, bubble-free dope to avoid internal fiber defects.
Metering and extrusion systemControl parameters: metering pump flow accuracy, spinneret orifice size and temperature, bore fluid flow rate and pressure. The spinneret orifice directly affects fiber diameter; bore fluid flow must be matched to the dope to prevent fiber collapse.
Coagulation and forming systemControl parameters: coagulation bath temperature, composition, and liquid level; washing temperature and time to avoid fiber shrinkage. Washing must thoroughly remove residual solvent to prevent membrane performance degradation.
Post treatment and take-up system
Control parameters: draw ratio, drying temperature and time, winding tension. The draw ratio should be controlled at 1.5–3× to enhance mechanical properties;drying temperature should be tailored to the material to avoid embrittlement from overdrying.
Key control parameters
|
Core Sections |
Parameters |
|
Dope Preparation System |
|
|
Temperature |
60°C(constant stirring for 6 hours) |
|
Material Ratios |
PVDF 19.5%: NMP 65%: PEG 13.5%; |
|
Deaeration Time |
Stand for 10 hours (to ensure no bubble defects) |
|
Metering And Extrusion System |
|
|
Metering Pump Accuracy |
±0.5% |
|
Nitrogen Pressure |
0.35 MPa |
|
Spinneret Orifice Diameter |
1.2/0.8 mm |
|
Spinning Speed |
21 m/min |
|
Coagulation And Forming System |
|
|
Air Gap Length |
14cm |
|
Coagulation Bath Temperature |
26°C |
|
Coagulant Composition |
Water / Ethanol |
|
Dual-diffusion Time |
Controlled by adjusting speed |
|
Post-treatment and Take-up System |
|
|
Washing Requirement |
Residual Solvent < 0.1% |
|
Drying Method |
Hot Air at 62 °C |
|
Draw Ratio |
1.2× (increases tensile strength to >0.4 MPa) |
|
Winding Speed |
18 m/min |
Suitable Materials
PVDF (Polyvinylidene Fluoride)
CA (cellulose acetate)
PVC (Polyvinyl chloride)
PES (Polyethersulfone)
PSF/PSU (Polysulfone)
PA (Nylon, Polyamide)
PAN (polyacrylonitrile)
Customer Membrane Examples
Brief Introduction
Trustech is a leading company that specializes in the research, development, and manufacturing of hollow fiber membrane spinning machines and spinning spinnerets. These spinning machines and spinning spinnerets have extensive applications across various industries including water purification, gas separation, hemodialysis, ECMO (Extracorporeal Membrane Oxygenation), food and beverage processing, biotechnology, and chemical engineering, among others.
Trustech is not only at the forefront of hollow fiber membrane spinnerets which develop FCT 5th - 8th generation technology, but also leading hollow fiber membrane spinning machine and flat sheet membrane casting system. Backed by outstanding R&D and quality, Trustech holds China’s high-end market, upgraded spinning systems to enhance precision and stability, and engineered key subsystems including the SteadyiCore Ultra 2.0 Heating system,TitanMix Pro 4.0 Mixing system, PrimeGlider Pro 3.0 Automatic pay-off, SmartCoil Elite 3.0 Automatic winding and StoutDrive 2.0 motor drive setup. These advances of spinning machine and spinneret improved spinning system stability, reduced commissioning and production downtime, and increased overall spinning efficiency by 11.4% compared with before the improvements.
FAQ
Company Information
Shanghai Trustech Technology Development Co., Ltd. centers on the development and production of hollow fiber spinning machine. We have accumulated years of experience in the industry. We have excellent geographical positioning. Located near the main roads and airports, this advantageous position promotes more convenient and faster transportation no matter for the incoming materials or product delivery. In Shanghai Trustech Technology Development Co., Ltd., providing good service is always the key to seeking good development for company. Ask!
Customers who need our products are welcomed to contact us for consultation.
About Trustech