High Temperature Resistant Wire-Wound Filter Cartridge for High Temperature Electroplating Process Solution Circulation and Purification

Product Introduction

This high temperature resistant wire-wound filter cartridge is a specialized high-performance water treatment component independently developed for the circulation and purification of high temperature electroplating process solutions, targeting the pain points of conventional filter cartridges being prone to deformation, performance attenuation and short service life under high temperature electroplating working conditions. Adopting modified high-temperature resistant industrial polypropylene (PP) as the core raw material and combined with high-density precision spiral winding technology, the cartridge is reinforced with a high-compressive-strength porous PP inner core and a high-temperature resistant outer protective layer. It is engineered to withstand the high temperature environment of electroplating process solutions (up to 80℃) and realize efficient and stable interception of suspended solids, colloidal impurities, metal debris and other insoluble contaminants in high temperature electroplating solutions during continuous circulation filtration. The product strictly complies with the industrial standards of the electroplating industry, has no dissolution or precipitation under high temperature conditions, avoids secondary pollution to the electroplating solution, and ensures the chemical stability and cleanliness of the high temperature electroplating solution. It is a core filtration component for high temperature electroplating processes such as high temperature nickel plating, high temperature copper plating and high temperature passivation, providing a reliable, long-life and high-efficiency filtration solution for the continuous and stable operation of high temperature electroplating production lines, and laying a solid foundation for improving the quality and yield of high temperature electroplating workpieces.

Filtration Precision

Calibrated for the impurity removal requirements of high temperature electroplating process solutions and the structural characteristics of high temperature resistant design, the filtration precision of this high temperature resistant wire-wound filter cartridge covers a customizable industrial-grade range of 5 μm to 80 μm, with the most commonly used and practical specifications for high temperature electroplating scenarios being 10 μm, 20 μm, 30 μm and 50 μm. The high-precision specifications (10 μm, 20 μm) are suitable for the fine filtration of high temperature precision electroplating solutions such as high temperature bright nickel plating and high temperature decorative electroplating, which can effectively intercept micro colloidal impurities and fine metal particulate debris that affect the finish, uniformity and adhesion of the electroplating layer under high temperature conditions; the medium-precision specifications (30 μm, 50 μm) are applicable to the circulation filtration of general high temperature electroplating solutions such as high temperature alkaline copper plating and high temperature phosphating, removing large particulate impurities and sediment in the solution to prevent pipeline blockage and nozzle clogging of high temperature electroplating equipment. All precision grades adopt high-temperature resistant gap-setting winding technology, with uniform filtration gaps and stable interception efficiency, no precision attenuation or gap deformation under long-term high temperature (80℃) operation, and can meet the differentiated filtration needs of various high temperature electroplating processes and circulation filtration systems.

Flux

The flux performance of this high temperature resistant wire-wound filter cartridge is fully optimized for the continuous circulation filtration characteristics of high temperature electroplating process solutions and the influence of high temperature on liquid viscosity. Under the standard high temperature operating condition of 60℃ (the mainstream working temperature of high temperature electroplating solutions) and 0.2MPa inlet pressure, the initial flux of the high temperature electroplating solution (viscosity 1.2-1.8 mPa·s) is 10-25 L/min per 10 inches of cartridge length; under the maximum bearable temperature of 80℃ and the same pressure, the stable operating flux remains at 8-20 L/min per 10 inches. For conventional room temperature pure water (25℃, 0.2MPa), the initial pure water flux can reach 20-40 L/min per 10 inches, which is fully matched with the circulation flow of small and medium-sized high temperature electroplating solution systems. The flux attenuation rate of the cartridge is strictly controlled under high temperature conditions, and the flux remains stable in the middle and early stages of filtration. Even with the gradual accumulation of impurities, there is no sudden drop in flux, avoiding the reduction of the overall circulation efficiency of the high temperature electroplating solution system caused by excessive flux attenuation, and ensuring the continuous and stable circulation filtration of the high temperature electroplating production line.

Salt Rejection Rate

As a physical deep filtration component based on the pore size interception principle and designed for high temperature electroplating solution impurity removal, this high temperature resistant wire-wound filter cartridge takes the removal of insoluble solid impurities in the solution as its core design goal, and does not have the functional design of desalination, ion removal or separation of dissolved substances. Therefore, its salt rejection rate is 0% under all working temperature conditions (room temperature to 80℃). It only intercepts suspended solids, colloids, metal debris and other insoluble contaminants in the high temperature electroplating process solution during circulation filtration, and will not retain the effective metal ions, electrolyte components, high temperature resistant plating additives and other soluble functional substances required for high temperature electroplating production in the solution. This characteristic is crucial for the normal progress of high temperature electroplating processes: it ensures that the chemical composition, ion concentration and performance of the high temperature electroplating solution remain unchanged after filtration, complies with the strict process parameters of high temperature electroplating, and avoids the failure of electroplating workpieces caused by the loss of soluble effective components in the high temperature solution. At the same time, the 0% salt rejection rate makes the cartridge not affected by the salt content and ion type of the high temperature electroplating solution, and can be universally applied to the filtration of various types of high temperature electroplating solutions such as acidic, alkaline and neutral.

Pressure Drop

The pressure drop design of this high temperature resistant wire-wound filter cartridge is fully optimized for the high temperature operating environment and the rated working pressure of high temperature electroplating solution circulation systems, to ensure low-energy and stable operation under high temperature conditions without bringing additional pressure load to the circulation pump and pipeline equipment. Under the standard high temperature working condition of 60℃ and initial operation state (no impurity accumulation), the initial pressure drop is strictly controlled within 0.02-0.05 MPa; even under the maximum bearable temperature of 80℃, the initial pressure drop only slightly rises to 0.03-0.06 MPa, which is far lower than the rated pressure loss of mainstream high temperature electroplating solution circulation systems. This low initial pressure drop under high temperature conditions ensures that the circulation pump of the high temperature electroplating system can operate at the rated pressure without increasing the working load, effectively reducing the energy consumption of the system and avoiding the damage of the pump impeller caused by excessive pressure under high temperature. With the progress of high temperature circulation filtration and the gradual accumulation of intercepted impurities in the filter layer, the pressure drop of the cartridge will increase steadily. The recommended maximum allowable pressure drop under high temperature working conditions (60-80℃) is 0.25 MPa, which is the critical pressure value for the high temperature electroplating solution circulation system to maintain safe and stable operation. When the pressure drop reaches this value, the cartridge needs to be replaced in a timely manner, which not only ensures the filtration effect of the high temperature solution, but also prevents the high temperature electroplating equipment from being shut down due to excessive system pressure and affecting the normal production process.

Molecular Weight Cutoff (MWCO)

Combined with the filtration precision range, high temperature resistant structural design and actual impurity removal demand of high temperature electroplating process solutions, the molecular weight cutoff (MWCO) of this filter cartridge is set at 200,000 – 800,000 Da under the rated high temperature working condition (60℃), and the MWCO performance remains stable without attenuation under the maximum temperature of 80℃. The MWCO grade is matched with the filtration precision one by one to realize precise and targeted interception of impurities in high temperature electroplating solutions: the high-precision cartridge (10 μm, 20 μm) with MWCO of 200,000 – 400,000 Da can effectively intercept small molecular weight colloidal impurities and macromolecular particulate matter in high temperature precision electroplating solutions, ensuring the high cleanliness of the solution and the finish of the electroplating layer; the medium-precision cartridge (30 μm, 50 μm) with MWCO of 500,000 – 800,000 Da is suitable for the interception of large molecular weight insoluble impurities and fiber substances in general high temperature electroplating solutions. This graded MWCO design not only ensures the efficient removal of harmful impurities in the high temperature electroplating solution under continuous circulation, but also allows the small molecular weight high temperature resistant plating additives, metal ion complexes and other soluble effective components in the solution to pass through the filter layer smoothly at high temperature, without causing unnecessary interception and loss. At the same time, the high temperature resistant raw material and structural design ensure that the MWCO parameters do not change with the fluctuation of electroplating solution temperature (room temperature to 80℃), ensuring the consistent and stable filtration effect of the high temperature electroplating solution circulation system.

Membrane Thickness

Aiming at the long-term high temperature operation characteristics of high temperature electroplating process solutions and the need for structural stability under high temperature scouring, the filter layer (wound modified high temperature resistant PP wire layer) thickness of this high temperature resistant wire-wound filter cartridge is specially designed as 6-14 mm with graded specifications, and the total wall thickness of the cartridge (including reinforced high-temperature resistant porous PP inner core, filter layer and outer high-temperature protective layer) is 14-22 mm. The thin filter layer (6-8 mm) is matched with high-precision cartridges (10 μm, 20 μm) for high temperature precision electroplating, which ensures high filtration precision and stable water permeability under high temperature conditions, avoiding excessive flow resistance caused by overly thick filter layer and affecting the circulation flow of high temperature precision electroplating solutions; the thickened filter layer (10-14 mm) is applied to medium-precision cartridges (30 μm, 50 μm) for general high temperature electroplating, which provides a larger three-dimensional dirt-holding space, improves the impurity interception capacity under long-term high temperature circulation filtration, and extends the service cycle of the cartridge. The reinforced high-temperature resistant porous PP inner core with optimized thickness (4-6 mm) has ultra-high compressive strength and temperature resistance, which can provide a stable and non-deformable supporting structure for the outer filter layer under high temperature (80℃) and pressure conditions, avoiding the deformation or collapse of the inner core caused by high temperature scouring and pressure, and ensuring the overall structural stability of the cartridge. The outer high-temperature protective layer (1-2 mm) is made of modified PP material with high temperature resistance and wear resistance, which effectively prevents the filter layer from being damaged by the high speed scouring of the high temperature electroplating solution during circulation, and further improves the service life of the cartridge under high temperature conditions.

Replacement Cycle

The replacement cycle of this high temperature resistant wire-wound filter cartridge is determined according to the actual operating temperature of the high temperature electroplating solution, the turbidity of the solution and the production load of the high temperature electroplating line, with strong targeting and operability for high temperature working conditions. Under the **conventional high temperature working condition (60-70℃, the mainstream temperature of high temperature electroplating production), 24-hour continuous circulation filtration, electroplating solution turbidity <10 NTU** and matching the rated flow and precision of the filtration system, the **recommended replacement cycle is 2-5 months**: the high-precision cartridges (10 μm, 20 μm) for high temperature precision electroplating have a replacement cycle of 2-3 months due to high filtration precision and relatively fast impurity accumulation under high temperature circulation; the medium-precision cartridges (30 μm, 50 μm) for general high temperature electroplating have a longer replacement cycle of 3-5 months with larger dirt-holding space. If the electroplating production is in the **high-temperature extreme working condition (70-80℃)**, or the turbidity of the high temperature electroplating solution is high (>10 NTU), or the production line is in ultra-high load continuous operation, the replacement cycle of all specifications of cartridges will be shortened to 3-7 weeks—the high temperature environment will accelerate the adsorption of impurities on the filter layer, and timely replacement can avoid the performance attenuation of the cartridge under high temperature and high impurity load. In addition, the replacement cycle needs to be adjusted according to the actual operating parameters of the high temperature circulation filtration system: if the system pressure drop reaches the recommended maximum value of 0.25 MPa in advance, or the filtration effect is significantly reduced (the high temperature electroplating solution has obvious impurities, and the electroplating workpiece has defects such as pinholes, rough surface and poor adhesion), the cartridge should be replaced immediately regardless of the operating time, to ensure the stable quality of high temperature electroplating products and the normal operation of production equipment.

Features

Excellent high temperature resistance: Adopts modified high-temperature resistant industrial PP raw materials for the whole cartridge, with a long-term stable operating temperature up to 60℃ and a short-term maximum bearable temperature up to 80℃, no deformation, no dissolution, no precipitation under high temperature conditions, and no secondary pollution to the high temperature electroplating solution, fully adapting to the high temperature working environment of electroplating process solutions.
Stable filtration performance under high temperature: Adopts high-density precision spiral winding technology with high-temperature resistant gap setting, uniform filtration gaps and stable interception efficiency, no precision attenuation or gap deformation under long-term high temperature circulation filtration, ensuring the consistent cleanliness of the high temperature electroplating solution.
Reinforced structural strength: The reinforced high-temperature resistant porous PP inner core, thickened graded filter layer and high-temperature resistant outer protective layer form a three-dimensional reinforced structure, with ultra-high compressive strength and impact resistance, which can withstand the long-term high speed scouring of high temperature electroplating solution during circulation, no filter layer falling off, no channeling and no structural damage.
Temperature-stable physical properties: All physical properties (filtration precision, MWCO, flux, pressure drop) of the cartridge remain stable without obvious attenuation under the temperature range of room temperature to 80℃, avoiding the performance fluctuation of the filtration system caused by the temperature change of the electroplating solution.
Strong chemical corrosion resistance: On the basis of high temperature resistance, the modified PP raw material also has excellent acid and alkali resistance and corrosion resistance, which can adapt to the filtration of various high temperature electroplating solutions such as high temperature acidic nickel plating, high temperature alkaline copper plating, high temperature phosphating and high temperature passivation, with strong universality.
Large high-temperature dirt-holding capacity: The three-dimensional porous filter layer structure formed by high-density winding has a large specific surface area and abundant dirt-holding space, which can intercept a large amount of impurities in the high temperature electroplating solution during continuous circulation filtration, and has a longer service cycle under high temperature conventional working conditions compared with conventional filter cartridges.
Standardized design for easy installation: Adopts industry-standard structural and interface design (222, 226, flat mouth, thread mouth), perfectly compatible with most standard filter housings for electroplating solution circulation systems, no need for professional tools or pipeline transformation, quick installation and replacement, reducing the maintenance time of high temperature electroplating production lines.
Environmentally friendly and recyclable: The whole cartridge is made of homogeneous modified PP material, non-toxic, tasteless, easy to recycle and dispose of after use, in line with the green production and environmental protection requirements of the electroplating industry, and no harmful substances are generated during production and high temperature use.
Cost-effective high-temperature filtration: Mature production process, stable product quality, long service cycle under high temperature conventional working conditions, and the comprehensive use cost is far lower than that of metal high-temperature filter cartridges with the same performance, significantly reducing the filtration consumable cost of high temperature electroplating enterprises.

Application Fields

This high temperature resistant wire-wound filter cartridge is a specialized filtration component developed for the circulation and purification of high temperature electroplating process solutions, and its core application field is the high temperature electroplating and surface treatment industry, covering all production scenarios with high temperature electroplating solution circulation filtration needs: it is mainly applicable to the circulation fine filtration of high temperature precision electroplating solutions such as high temperature bright nickel plating, high temperature decorative gold plating and high temperature hard chrome plating in the precision electroplating field, ensuring the high cleanliness of the solution and the finish of electroplating workpieces; it is used for the circulation purification of general high temperature electroplating solutions such as high temperature alkaline copper plating, high temperature acidic copper plating and high temperature zinc plating in the hardware electroplating field, removing insoluble impurities and protecting high temperature electroplating production equipment; it matches the circulation filtration of high temperature surface treatment solutions such as high temperature phosphating, high temperature passivation and high temperature anodizing in the metal surface treatment field, ensuring the chemical stability of the high temperature treatment solution; it is also applicable to the circulation pre-filtration of high temperature electroplating solution preparation in electroplating workshops, laying a foundation for improving the purity of the configured high temperature electroplating solution; in addition, it can be used for the circulation filtration of other high temperature industrial liquids (temperature ≤80℃) in the light industry and chemical industry with the need to remove suspended solids and colloidal impurities, with a wide range of application scenarios beyond the electroplating industry.

Conclusion

In summary, this high temperature resistant wire-wound filter cartridge is a highly targeted and high-performance filtration product independently developed for the core technical requirements of high temperature electroplating process solution circulation and purification, which perfectly solves the industry pain points of conventional filter cartridges being unable to adapt to high temperature working conditions, poor structural stability and short service life. It integrates the advantages of excellent high temperature resistance, stable filtration performance under high temperature, reinforced structural strength, strong chemical corrosion resistance and large high-temperature dirt-holding capacity, and can realize efficient, stable and long-term interception of insoluble impurities in high temperature electroplating solutions (up to 80℃) during continuous circulation filtration. The product has no dissolution or precipitation under high temperature conditions, avoids secondary pollution to the high temperature electroplating solution, ensures the chemical stability and cleanliness of the solution, and further improves the quality and yield of high temperature electroplating workpieces while reducing the defective rate caused by solution impurities. Its standardized structural design ensures universal compatibility with mainstream electroplating solution circulation filter housings, and the quick installation and replacement characteristics reduce the maintenance difficulty and time of high temperature electroplating production lines. The cost-effective performance makes it a more economical choice for high temperature electroplating enterprises compared with metal high-temperature filter cartridges, significantly reducing the filtration consumable cost of production lines. As an indispensable core filtration component for high temperature electroplating production lines, this product adapts to the development trend of the electroplating industry towards high precision, high efficiency and continuous production, and its excellent performance under high temperature conditions and strong compatibility with various high temperature electroplating processes make it have a wide application prospect in the high temperature electroplating and metal surface treatment industry. With the continuous upgrading of electroplating production technology and the increasing demand for high temperature electroplating processes, the market demand for such high-quality high temperature resistant filter cartridges will continue to grow, and it will become the first choice for filtration consumables in high temperature electroplating solution circulation and purification systems.

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