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IHF Fluorine Lined Stainless Steel Pump

 
IHF fluorine-lined stainless steel pump is a corrosion-resistant centrifugal pump. It is mainly composed of pump body, impeller, pump cover, shaft, sealing parts, etc. The pump body and pump cover adopt metal shell (usually stainless steel), and the interior is lined with fluoroplastics (such as polyperfluoroethylene propylene FEP, polytetrafluoroethylene PTFE, etc.). This fluorine-lined structure not only utilizes the strength of metal, but also combines the excellent corrosion resistance of fluoroplastics. The impeller is generally also lined with fluorine or corrosion-resistant metal materials, such as stainless steel, to ensure normal operation when conveying corrosive media.
 
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Basic functions of the product

1. Liquid delivery function principle: IHF fluorine-lined stainless steel pump relies on the rotation of the impeller to generate centrifugal force to achieve liquid delivery. When the impeller rotates at high speed driven by the motor, the liquid in the center of the impeller is thrown to the edge of the impeller. This forms a low-pressure area in the center of the impeller, and the liquid enters the center of the impeller under the action of the pressure difference (such as atmospheric pressure or upstream liquid pressure) at the inlet, and is then continuously thrown to the edge by the impeller and discharged through the outlet of the pump, and so on, transporting the liquid from one location to another. Wide flow adjustment range: It can adjust the flow according to actual needs. By adjusting the opening of the outlet valve, the flow of the pump can be changed within a certain range. For example, in the chemical production process, when it is necessary to accurately control the delivery amount of a certain corrosive reagent, the adjustment of the valve opening can be used to achieve precise control of the flow rate to meet the flow requirements of different production links.


2. Corrosion-resistant function The protective effect of the fluorine lining layer: The fluorine lining inside the pump body is its key corrosion-resistant design. Fluoroplastics (such as FEP, PTFE, etc.) have extremely high chemical stability and can resist corrosion from a variety of strong acids, strong alkalis and organic solvents. For example, when conveying high-concentration sulfuric acid or sodium hydroxide solution, the fluorine lining layer is like a solid "shield" that separates the corrosive liquid from the metal pump body to prevent the pump body from being corroded. Applicable to a variety of corrosive media: This pump can be used to convey various corrosive media. In the pharmaceutical industry, it can convey pharmaceutical intermediates and finished liquids containing acidic or alkaline components; in the electroplating industry, it can convey acidic or alkaline electroplating liquids; in the chemical industry, it can be widely used to convey various corrosive raw materials and products, such as hydrochloric acid, nitric acid, etc.


3. The importance of sealing function to prevent leakage: Use effective sealing measures to prevent liquid leakage. In the chemical, pharmaceutical and other industries, the conveyed liquids are often toxic, corrosive or flammable and explosive. Once leaked, it will not only cause product losses, but also may cause serious safety accidents and environmental pollution. Mechanical seals and other methods: Mechanical seals are generally used. The sealing surface of the mechanical seal is made of wear-resistant and corrosion-resistant materials. During the operation of the pump, the sealing surface fits tightly, and the sealing effect is guaranteed by the sealing auxiliary system (such as flushing, cooling, etc.). Even under high pressure and high speed operation, the leakage can be controlled at an extremely low level to ensure the safe and stable operation of the pump.


4. Stable operation function Operation stability guarantee: The key components such as the impeller and shaft of the pump are precisely processed and balanced. This makes the pump vibrate less and make less noise during operation. For example, in a laboratory or pharmaceutical workshop environment with high requirements for noise and vibration, the IHF fluorine-lined stainless steel pump can operate stably without affecting the working environment or the service life of the equipment due to severe vibration and high-decibel noise. Stable and reliable performance: It can work continuously and stably under the rated flow, head and medium conditions. This feature allows it to be used as a long-term liquid conveying equipment in the industrial production process, providing a guarantee for the continuity of the production process and reducing production interruptions caused by equipment failure.


Usage Environment

1. Transportation of corrosive chemicals in the chemical industry: In chemical production, it is often necessary to transport various strong acids, strong alkalis and organic solvents. For example, in fertilizer manufacturing plants, strong acids such as sulfuric acid and nitric acid are transported; in the chlor-alkali industry, strong alkali solutions such as sodium hydroxide need to be handled. The fluorine lining layer of the IHF fluorine-lined stainless steel pump can effectively resist the erosion of these corrosive substances, ensuring that the pump works normally in an environment full of corrosive chemicals. High or low temperature environment: Some chemical reactions are carried out under high or low temperature conditions. The IHF fluorine-lined stainless steel pump can be used within a certain temperature range. Generally speaking, its fluorine-lined material can maintain good performance in the temperature range of about -20℃ to 150℃. However, the specific temperature adaptability also depends on factors such as the type and quality of the fluorine-lined material. Within this temperature range, it can stably transport chemicals to meet the needs of chemical processes. Areas with explosion-proof requirements: In chemical production, some areas have flammable and explosive gases or liquids. The IHF fluorine-lined stainless steel pump can be designed to be suitable for these environments with explosion-proof requirements by adopting measures such as explosion-proof motors. In this way, when transporting volatile organic solvents (such as ethanol, acetone, etc.), the risk of explosion can be reduced and the safety of chemical production can be guaranteed.


2. Pharmaceutical industry environment Clean production environment: Pharmaceutical workshops usually require a high degree of cleanliness. IHF fluorine-lined stainless steel pumps run smoothly and have low noise, and due to their good sealing performance, there will be no liquid leakage to pollute the environment, which meets the clean production requirements of the pharmaceutical industry. In drug synthesis, extraction and preparation, it can be used to transport liquid medicines containing various chemical substances without adversely affecting the quality of the drugs. Transport of liquid medicines with different pH values: The pharmaceutical process involves liquid medicines with a variety of pH values. Whether it is an acidic drug intermediate or an alkaline drug solution, the IHF fluorine-lined stainless steel pump can effectively transport it. For example, in the production of antibiotics, it may be necessary to transport acidic fermentation broth, while in the preparation of some alkaline drugs, it is necessary to transport alkaline solutions. The fluorine-lined structure of the pump can adapt well to these situations.


3. Environmental protection field environment Sewage treatment environment: In sewage treatment plants, IHF fluorine-lined stainless steel pumps can be used to transport sewage containing various pollutants. Sewage may contain heavy metal ions, acid and alkali substances, organic matter, etc. The corrosion resistance of the pump enables it to resist the corrosion of these harmful substances in sewage, and it can operate stably for a long time in a harsh sewage environment. It can be used for sewage lifting, transportation and circulation, such as activated sludge circulation in sewage biological treatment, and chemical agent transportation in deep treatment. Waste gas treatment environment: In waste gas treatment facilities, when waste gas is purified by absorption liquid, it is necessary to transport absorption liquid. These absorption liquids are usually acidic or alkaline solutions, which are used to absorb pollutants such as sulfur dioxide and nitrogen oxides in waste gas. IHF fluorine-lined stainless steel pumps can transport these absorption liquids well to ensure the smooth progress of the waste gas treatment process.


4. Electroplating industry environment Electroplating solution transportation: In the electroplating industry, the components of the electroplating solution usually include various metal salts and substances such as acids and alkalis. IHF fluorine-lined stainless steel pumps can effectively transport these electroplating solutions, whether they are acidic electroplating solutions (such as chromium plating solutions, the main component is chromic acid) or alkaline electroplating solutions (such as copper plating solutions, containing sodium hydroxide and other components). Its fluorine-lined structure can prevent the electroplating solution from corroding the pump body, and can ensure the circulation of the electroplating solution between electroplating tanks or between the electroplating tank and the storage container, thereby ensuring the normal operation of the electroplating process.


Product Advantages

Corrosion-Resistant IHF Fluorine-Lined Pump | Mining, Electroplating, Pharma


  • Strong corrosion resistance. The main flow-through parts, such as the impeller and pump cover, are made of metal inserts wrapped with fluoroplastics through one-time high-temperature molding. Fluoroplastics have excellent chemical stability and can resist the erosion of strong corrosive media such as various strong acids, strong alkalis, strong oxidants and organic solvents. They can be widely used in corrosive environments such as chemical industry, pharmaceutical industry, and electroplating. There are many types of applicable media, such as sulfuric acid, hydrochloric acid, nitric acid, acetic acid, hydrofluoric acid, aqua regia, strong alkalis, strong oxidants, organic solvents, etc., which can meet the needs of different industries for corrosive liquid transportation.

  • High mechanical strength. The load-bearing part of the pump is made of metal material, which combines the high strength of metal with the corrosion resistance of fluoroplastics, so that the pump has good mechanical strength, pressure resistance and mechanical impact resistance, and can work stably in corrosive environments. Reliable sealing performance: The external bellows mechanical seal is adopted, the static ring is made of 99.9% alumina ceramic or silicon carbide, and the dynamic ring is made of wear-resistant and corrosion-resistant materials such as PTFE filling material or silicon carbide, which effectively reduces the risk of leakage and ensures that the pump has good sealing performance during operation. Even under high pressure and high speed operation, the leakage can be controlled at an extremely low level to prevent the leakage of corrosive liquids, ensure production safety and protect the environment from pollution.

  • Reasonable structural design: The structure is compact, the footprint is small, it is easy to install and maintain, and it can adapt to different installation space requirements, saving space and installation costs for users. The inlet and outlet are connected by flanges, which is convenient for connection and disassembly with other equipment, making the layout of the pipeline system more flexible and easy to maintain and overhaul. The motor and pump body are connected by direct connection, without coupling, which reduces the failure point, improves the operation stability, and also reduces the vibration and noise of the equipment, extending the service life of the equipment.

  • Good temperature adaptability: The temperature range of the conveying medium is - 85℃~200℃, and it can operate stably in a wide temperature range, which can meet the temperature requirements of different process processes, such as some high-temperature chemical reactions or low-temperature storage, transportation and other links. Good wear resistance and self-lubrication Fluoroplastic has good wear resistance and self-lubrication, so the pump does not need to frequently change lubricating oil during operation, which reduces maintenance costs, reduces the impact of maintenance on production, and improves production efficiency.

  • Wide flow and head range The flow range is 0.8~400m³/h, and the head range is 5~100m, which can meet the liquid transportation needs under different working conditions. According to the specific production process and site conditions, the appropriate model and specification can be selected to ensure the efficient operation of the pump.

  • Stable operation and low noise Key components such as impellers and shafts are precisely processed and balanced, with small vibration and low noise during operation, creating a quiet working environment, which is beneficial to the physical and mental health of operators, and also reduces the impact on surrounding equipment and environment.

  • Good completeness It is supplied with motors and bases, and can be equipped with public bases or its own bases, and accessories and spare parts are provided to facilitate users' procurement and use, reduce the workload of users in equipment selection and matching, and improve procurement efficiency.


Technical Parameters

Pump TypeIHF fluorine lined stainless steel pump
Material304 316 Fluorine lining
Drive typeelectric
Maximum flow800m³/h
Maximum lift80m
Installation TypeHorizontal
Maximum caliberDN250
Maximum Power110KW
Protection levelIP45
Insulation classF
Standard voltage380V/50Hz


Product Usage

1. Acid and alkali transportation in the chemical industry: In the chemical production process, it is often necessary to transport various strong acids (such as sulfuric acid, hydrochloric acid) and strong alkalis (such as sodium hydroxide solution). Due to the corrosion resistance of its fluorine-lined stainless steel pump, IHF fluorine-lined stainless steel pump can effectively prevent these corrosive liquids from corroding the pump body and ensure safe and stable transportation. For example, in the chlor-alkali industry, it is used to transport sodium hydroxide solution, and its fluorine lining layer can withstand the corrosion of high-concentration alkali solution. Organic chemical transportation: For some organic solvents, such as toluene, acetone, etc., ordinary metal pumps may react chemically with these solvents. The fluorine-lined material of IHF fluorine-lined pump has stable chemical properties and can adapt well to the transportation of these organic chemicals. It can be used for the feeding and discharging of chemical raw materials, as well as the transfer of materials between different reactors. Chemical intermediate transportation: In the process of synthesizing complex chemical products, various intermediates are produced. These intermediates may be corrosive or have high purity requirements. IHF fluorine-lined pump can prevent the intermediates from being contaminated, while resisting their corrosiveness to ensure product quality.


2. Pharmaceutical API production: In the synthesis and extraction process of APIs, many corrosive solvents and acid-base solutions are involved. IHF fluorine-lined pumps can meet the liquid delivery needs in such corrosive environments, and due to their good sealing properties, they can prevent material leakage and ensure the safety and purity of drug production. For example, in the production of antibiotics, they are used to deliver acidic or alkaline extracts. Pharmaceutical preparation production: In the pharmaceutical preparation stage, for some drug solutions that are sensitive to metal ions, IHF fluorine-lined pumps can avoid the dissolution of metal ions and prevent drug deterioration. At the same time, it can deliver drug solutions of various viscosities to ensure smooth material delivery during the preparation production process.


3. Electroplating liquid delivery in the electroplating industry: Electroplating liquids usually contain various metal salts (such as copper sulfate, chromic acid, etc.) and acidic components, which are highly corrosive. IHF fluorine-lined pumps can resist the corrosion of these electroplating liquids, accurately deliver the electroplating liquid to the electroplating tank, and ensure the smooth progress of the electroplating process. Moreover, the stability of its materials helps to keep the composition and properties of the electroplating liquid unchanged and improve the quality of electroplating.


4. Wastewater treatment in environmental protection industry: When treating industrial wastewater containing acid, alkaline or heavy metal ions, IHF fluorine-lined pumps can effectively transport wastewater without being corroded by harmful substances in the wastewater. For example, in electroplating wastewater treatment, it is used to transport acidic wastewater containing heavy metal ions, and after a series of treatments, the treated water that meets the standards is transported out. Waste gas treatment: In some waste gas treatment processes, it is necessary to transport absorption liquid containing corrosive components (such as liquid that absorbs acidic gases). IHF fluorine-lined pumps can adapt well to this working condition and circulate the absorption liquid between equipment such as washing towers to achieve the purpose of purifying waste gas.


5. Food industry (specific applications) Food additive transportation: In the production process of food additives, some additives are acidic or alkaline, such as citric acid, phosphates, etc. IHF fluorine-lined pumps can be used to transport these additives to ensure the quality and safety of food additives, while meeting the hygiene standards of the food industry. Food raw material cleaning liquid transportation: In the food raw material cleaning process, cleaning liquid containing disinfectants (such as sodium hypochlorite solution) is sometimes used. IHF fluorine-lined pumps can transport these cleaning liquids, and the fluorine-lined materials will not pollute the food raw materials after cleaning, ensuring the quality and safety of the food.


Product Operation Guid

1. Preparation before installation Check whether the pump body and accessories are intact, whether the fluorine lining is damaged, and whether the motor rotates in the correct direction. Check that the foundation is solid and flat, and the installation environment is clean, dry, and well ventilated for easy operation and maintenance. Prepare matching pipes and clean up the debris inside the pipes.

2. Installation steps Place the pump body on the foundation, fix it with anchor bolts, and use a level to ensure the levelness. Connect the inlet and outlet pipes, use suitable sealing gaskets to ensure sealing, and check whether the pipes exert stress on the pump body. Install the motor and align it accurately with the pump shaft, connect the power cord and ensure good grounding.

3. Check before starting Turn the coupling by hand to check whether the pump shaft can rotate flexibly. Check the bearing lubrication. Check the sealing. Confirm that the inlet valve is fully open and the outlet valve is closed first.

4. Startup operation Observe the operation closely during the initial startup and stop immediately if there is any abnormality. After normal startup, gradually open the outlet valve, adjust the flow and head, and check whether the seal is leaking.

5. Operation precautions Regularly monitor parameters such as flow, head, current, and bearing temperature. Observe the leakage at the seal. Pay attention to the vibration and noise of the pump.

6. Shutdown operation Normal shutdown Close the outlet valve first, then cut off the power supply and let the pump stop naturally. Emergency shutdown In abnormal situations, cut off the power supply immediately and then check for faults.

7. Maintenance and care Clean the pump body and impeller regularly. Check and replenish bearing lubrication regularly. Check and replace seals regularly. Check impeller wear and fluorine lining integrity regularly.


Frequently asked questions

1. Causes of corrosion: damage to the fluorine lining; chemical corrosion. Solution: check and repair the fluorine lining; check the chemical properties of the medium, and replace the fluorine lining material or pump type as needed.

2. Causes of seal leakage: mechanical seal failure; packing seal problem. Solution: check and repair the mechanical seal to prevent impurities from entering; replace the packing and adjust the tightness of the packing gland.

3. Causes of insufficient flow and head: impeller blockage or damage; excessive pipeline resistance; abnormal motor speed. Solution: clean or replace the impeller; check the pipeline and remove scale; check the operation of the motor.

4. Causes of vibration and noise: unbalanced impeller; misaligned shaft; damaged bearing. Solution: balance check and adjust the impeller; re-center the shaft; check and replace the bearing.

5. Causes of motor overload: excessive flow; impeller blockage or stuck; motor problem. Solution: adjust the flow; clean the impeller; check and repair the motor.

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