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Fluorine-Lined Metering Tank

Applicable Media: Acids, bases, organic solvents, and various corrosive media; pH range from 1 to 14.
Working Pressure: -0.098MPa to +2.5MPa.
Working Temperature: -100°C to +200°C.
Manufacturing Standards: GB150-2011, HG/T20678-2000, ASME, HG/T 4112-2009, HG/T 4088-2009.

Introduction to Fluorine-Lined Metering Tanks

Fluorine-Lined Metering Tanks play a pivotal role in the precise measurement and control of materials within a plethora of industrial processes. These specialized tanks are designed to accommodate the rigorous demands of various industries, including chemical processing, pharmaceuticals, and semiconductor manufacturing. The incorporation of advanced fluorine lining technologies ensures these tanks offer unmatched compatibility with a broad spectrum of corrosive media. This compatibility is crucial for industries dealing with aggressive chemicals, where accuracy in material measurement and integrity of containment are non-negotiable. The fluorine lining not only safeguards the tank’s contents but also preserves the purity and quality of the materials being processed, making these tanks indispensable tools in the pursuit of operational excellence and safety.

Detailed Description

The construction of Fluorine-Lined Metering Tanks involves a meticulous process to ensure the integrity and functionality of the lining. Initially, the steel shell surface undergoes thorough preparation, including deburring, degreasing to remove oils, and sandblasting to achieve a Sa2 grade surface cleanliness. This preparation is critical for the adhesion of the lining material.

Following surface preparation, a special primer is applied to enhance the bond between the steel surface and the fluoropolymer. Subsequently, fluoropolymer powder, such as ECTFE, ETFE, FEP, or PFA, is electrostatically charged and sprayed onto the primed surface. The electrostatic charge ensures an even distribution of the powder, which is crucial for uniform coverage. The coated tank is then subjected to high-temperature baking, causing the fluoropolymer powder to melt and fuse into a dense, seamless lining. This process is repeated multiple times to achieve the required thickness of the lining, ensuring the tank’s durability and resistance to chemical attack.

Key Features

Corrosion Resistance: The fluorine lining provides exceptional chemical stability, making these tanks suitable for use across a wide pH range from 1 to 14. This feature allows the tanks to handle various harsh chemical environments without degradation, ensuring long-term service life and reliability.

Vacuum Resistance: Engineered to withstand extreme negative pressures, Fluorine-Lined Metering Tanks maintain structural integrity even under vacuum conditions. This capability is essential for processes requiring vacuum extraction or low-pressure operations, offering operational flexibility.

High Thermal Efficiency: Despite the insulating properties of fluoropolymers, the design of these tanks maximizes heat transfer efficiency. This efficiency is particularly beneficial for processes where temperature control is critical, including those requiring heated or cooled storage.

Smooth Coating Surface: The fluoropolymer lining boasts an ultra-smooth surface, reducing the friction coefficient and significantly minimizing the likelihood of fouling. This smoothness facilitates easier cleaning and maintenance, contributing to the tank's operational efficiency and hygienic storage conditions.

Advantages Of Our Fluorine-Lined Metering Tank

The fluorine-lined metering tanks bring a suite of advantages that cater to the high demands of various industries, emphasizing purity, durability, versatility, and longevity.

High Purity and Low Leachability: These tanks meet the rigorous purity standards required in sensitive industries such as photovoltaics and semiconductors. The fluorine lining ensures that the tank contents remain uncontaminated and free from leachable impurities, a crucial factor for processes where material purity directly impacts product quality.

Durable Adhesion: The advanced application techniques used in the fluorine lining ensure robust adhesion to the tank shell. This durable bond prevents delamination and maintains the integrity of the lining over time, ensuring that the tanks can withstand regular use and cleaning without compromising their protective properties.

Versatile Structure Compatibility: Designed to accommodate various industrial needs, these tanks are compatible with a wide range of structural designs. From standard cylindrical tanks to complex custom shapes, the fluorine lining can be applied effectively, providing the same level of protection and durability regardless of the tank's configuration.

Long Service Life: Engineered for longevity, fluorine-lined metering tanks are built to last over a decade, even in harsh chemical environments. The superior resistance of the lining to chemical attack and physical wear translates to minimal degradation over time, significantly reducing the need for frequent replacements and maintenance.

Specifications

The specifications of fluorine-lined metering tanks underscore their suitability for a broad spectrum of industrial applications, offering flexibility in materials and design to meet diverse operational requirements.

Tank Shell Materials

Carbon Steel: Offers robustness and cost-effectiveness for general applications.

Stainless Steel 304/316L: Provides enhanced corrosion resistance for more demanding chemical environments.

Titanium Alloy Ti: Ideal for extremely corrosive applications where superior resistance is needed.

Duplex Stainless Steel 2205: Combines strength with high corrosion resistance, suitable for challenging conditions.

Lining Materials

ECTFE (F30) and ETFE (F40): Offer excellent chemical resistance and mechanical strength.

FEP and PFA: Provide unmatched smoothness and purity, ideal for high-purity applications.

Sealing Gaskets

PTFE: Known for its chemical inertness and wide temperature tolerance.

Rubber-Coated PTFE: Enhances the sealing capabilities, combining the resilience of rubber with the chemical resistance of PTFE.

Fasteners

Galvanized Bolts: Cost-effective option for non-corrosive environments.

Stainless Steel Bolts: Recommended for environments where corrosion resistance is necessary.

Fluorine-Lined Bolts: Provide the highest level of chemical resistance, suitable for the most aggressive conditions.

Accessories for Fluorine-Lined Metering Tanks

To enhance the functionality and ensure the safe operation of fluorine-lined metering tanks, a comprehensive selection of accessories is available:

Pressure Balancing

Nitrogen Sealing Devices: Used to maintain an inert atmosphere within the tank, preventing oxidation or contamination of sensitive materials.

Breather Valves: Allow the tank to breathe, equalizing pressure during filling or emptying, while preventing the ingress of contaminants.

Flame Arresters: Provide safety by preventing the ignition of flammable vapors or gases, essential in volatile chemical storage.

Material Inlet/Outlet

Fluorine-lined Ball Valves: Offer superior corrosion resistance for controlling the flow of materials into and out of the tank, available in manual, electric, or pneumatic operations.

Diaphragm Pumps: Utilized for the transfer of materials, with fluorine-lining options available to handle corrosive or high-purity substances.

Measurement Devices

PP (Polypropylene) Metering Pumps: Ideal for transferring chemicals at accurate flow rates, suitable for less aggressive media.

PVDF (Polyvinylidene Fluoride) Metering Pumps: Known for their chemical resistance, used in applications requiring precise dosing of aggressive chemicals.

Observation Devices

Fluorine-lined Sight Glasses: Allow visual inspection of the tank contents without compromising the chemical integrity or purity.

Fluorine-lined Level Gauges: Provide accurate measurement of liquid levels within the tank, essential for precise material control and inventory management.

Applications of Fluorine-Lined Metering Tanks

Fluorine-lined metering tanks find broad applications across industries where precision in measurement and storage of materials is critical, especially when dealing with corrosive or high-purity substances:

Chemical Processing: Essential for the accurate measurement and controlled addition of reactive or corrosive chemicals in manufacturing processes. Their corrosion resistance makes them ideal for storing and dispensing acids, bases, and solvents used in chemical synthesis and treatment processes.

Pharmaceutical Manufacturing: Utilized in the production of pharmaceuticals where purity and contamination prevention are paramount. The inertness of fluorine-lined tanks ensures that active pharmaceutical ingredients (APIs) and other sensitive materials are handled without risk of contamination.

Water Treatment: Plays a crucial role in dosing the precise amounts of treatment chemicals used in water purification processes. Their chemical resistance is vital for storing and metering chlorine, fluorides, and other water treatment chemicals.

Frequently Asked Questions (FAQs)

Frequently Asked Questions.png

1. How do I maintain my fluorine-lined metering tank to ensure longevity?

Answer: Regular maintenance of a fluorine-lined metering tank involves routine inspections for any signs of wear or damage to the lining, ensuring that the tank and its components are clean, and verifying that all accessories like valves and pumps are functioning correctly. It's advisable to conduct a thorough cleaning periodically, depending on the nature of the chemicals stored and the frequency of use. Always use compatible cleaning agents to avoid damaging the fluorine lining.

2. Are there chemicals that cannot be stored in a fluorine-lined metering tank?

Answer: Fluorine-lined metering tanks are compatible with a wide range of chemicals due to the excellent chemical resistance of fluoropolymers like ECTFE, ETFE, FEP, and PFA. These materials are typically resistant to acids, bases, solvents, and various organic compounds. However, it is crucial to verify the compatibility of the specific fluoropolymer used with the intended chemicals, as there are rare exceptions. Always consult material compatibility charts or the tank manufacturer before storing a new chemical.

3. What should I do if I suspect the fluorine lining is compromised?

Answer: If you suspect that the fluorine lining of your metering tank is compromised, immediately cease using the tank to prevent any potential chemical leakage or contamination. Inspect the tank for visible signs of lining wear or damage, such as discoloration, cracks, or peeling. Contact the manufacturer or a qualified professional for a comprehensive evaluation and repair if necessary. Continuing to use a damaged tank can pose safety risks and compromise the integrity of your process materials.

4. How can I ensure the fluorine-lined metering tank is accurately measuring material volume?

Answer: Ensuring accurate measurement involves regular calibration of measurement devices attached to the tank, such as level gauges or metering pumps. Use calibration standards appropriate for the specific devices and the materials being measured. Additionally, implement routine checks to verify the accuracy of these devices against known volumes or weights, adjusting as necessary to correct any discrepancies. Proper calibration and verification practices are critical to maintaining process accuracy and efficiency.

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