Industria del teñido y acabado de textiles
High chemical corrosion, high temperatures, and heavy pollution loads characterize the textile printing and dyeing industry. During dyeing, printing, washing, and finishing processes, large volumes of dyes, auxiliaries, acid-base solutions, and wastewater containing suspended solids require continuous conveyance and circulation. Consequently, the demands on conveyance pumps are significantly higher, necessitating corrosion resistance, high-temperature tolerance, and wear resistance. Simultaneously, these pumps must deliver continuous, stable pumping operations to minimize downtime for maintenance.
China Changyu Pump is a specialized pump manufacturer, professionally producing corrosion-resistant and wear-resistant centrifugal pumps, as well as wear-resistant fluorine-lined pumps. We also offer vertical multistage hot water pumps for handling high-temperature liquids. Our dedicated team addresses your unique operating conditions and accepts custom pump designs tailored to specific applications.
Recommended Handling Media for Textile Dyeing & Finishing
Typical Liquids and Wastewater in Dyeing & Printing Processes
Caustic soda
Desizing solution
Sulphuric acid
Dispersants
Dye solutions
Hot water
Sizing agents
Wastewater
- Dye solutions
- Mixed dyes
- Pigment liquids
- Auxiliary chemicals
- Variable pH media
- Acid solutions
- Alkaline liquids
- pH control chemicals
- Corrosive chemicals
- Chemical additives
- Hot washing liquid
- Heated process water
- High temperature fluid
- Thermal cleaning liquid
- Hot circulation media
- Printing wastewater
- Dyeing wastewater
- Suspended solids
- Fibrous wastewater
- Pigment residues
Recommended Pump Solutions for Textile Dyeing Applications
Dye Solution Preparation and Circulation
Recommended Pump Type: Corrosion Resistant Horizontal Slurry Pumps
Reason: This chemical pump features a pump casing and wetted parts constructed from imported FEP/PTFE materials. Through our proprietary high-temperature sintering process, combined with K-type dynamic seals and enhanced flow channel width and plastic material thickness, it delivers exceptional corrosion resistance and wear resistance. This enables long-term stable operation during liquid pumping.
Printing Wastewater Transfer
Recommended pump type: Bomba resistente a la corrosión de UHMWPE
Reason: This is our cantilevered single-stage, single-suction chemical pump, specifically designed for conveying chemically corrosive, highly corrosive, or reactive fluids. Unlike standard pumps, its casing is constructed with steel-lined ultra-high molecular weight polyethylene (UHMWPE), featuring thickened imported flow components, widened flow channels, and a proprietary sealing system. It is suitable for acid transfer, alkali circulation, the discharge of corrosive wastewater, electrolyte processing, and the transfer of chemical slurry.
Application in Textile Dyeing & Finishing Industry
In textile dyeing & finishing industry, whether handling dyes, auxiliaries, hot water or wastewater, Changyu pumps deliver stable conveyance performance even when the fluid is corrosive, high-temperature, highly viscous or fibre-laden. Our pumps enable enterprises to effectively reduce downtime, lower energy consumption, enhance production efficiency and minimise operational costs through zero-leakage operation, robust corrosion resistance, straightforward maintenance and extended service life.
We offer tailored materials, structures, and control options to match each plant’s media, temperature, corrosion level, and flow requirements.
Dye Preparation and Mixing
Challenges: Long-term conveyance of dyes and auxiliaries causes corrosion to the pump body and seals.
Advantages: We utilize imported FEP material to enhance its corrosion resistance and increase the thickness of its fluoroplastic coating to extend its service life.
Chemical Dosing and pH Adjustment
Challenges: Leakage risks in chemical transfer
Advantages: We employ our proprietary containerized double-end mechanical seal to achieve zero leakage risk, ensuring safe transportation.
Printing and Dyeing Wastewater Transfer
Challenges: Fibres and suspended solids in wastewater cause pump blockages, internal wear, and prolonged corrosion from chemical residues.
Advantages: Our pumps utilize ultra-wear-resistant and corrosion-resistant imported high-molecular-weight polyethylene material. Additionally, we have widened the flow channels to ensure long-term stable pumping performance.
High-Temperature Washing and Circulation
Fibres and sludge easily clog. Risk of leakage due to the aging of overcurrent components and seals caused by prolonged high-temperature operation
Advantages: We utilize high-temperature-resistant PFA material capable of sustained operation at elevated temperatures without deformation. Our proprietary double-ended mechanical seal eliminates leakage risks.
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Comprehensive Pump Recommendations for Textile Dyeing
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