Peristaltic Pump For Gases
Flow range:0.0053-6000ml/min
2.Basic peristaltic pump:LabM series
Flow range:0.0053-3100ml/min
3.Industrial peristaltic pump
Speed range:0.1-600rpm
Description
Technical Parameters
Peristaltic pump for gases is a kind of pumping equipment with special working principle. As a kind of peristaltic pump, its core working principle is to realize the transmission of gas through the peristaltic movement of the pipeline. Specifically, when the pipe contracts, the gas is squeezed, increasing the pressure, which pushes the gas forward; When the pipeline is expanded, the gas is extracted, reducing the pressure, forming a negative pressure, and achieving the suction effect. Through this constant peristaltic movement, the pump moves the gas from one place to another. It has the characteristics of fluid isolation, rapid change of pump pipe, allowing gas retrograde and dry operation, and is widely used in chemical, pharmaceutical, environmental protection and laboratory.
Because of its unique working principle and many advantages, the pump has a wide application prospect in many industries. In the selection and use process, it is necessary to fully consider the nature of the gas and transportation requirements to ensure the stable operation of the pump and meet the application needs.
Specifications
Technical features
High cleanliness: the gas only touches the inner wall of the hose, avoiding the contamination of the pump body material to the gas, suitable for clean room, semiconductor manufacturing and other scenes with very high cleanliness requirements.
Low shear: the gas is not subject to mechanical shear in the conveying process, which is suitable for the treatment of easily decomposed or sensitive gases.
Self-absorption: gas can be absorbed and transported without external gas source, suitable for vacuum environment or remote gas supply.
Corrosion resistance: optional corrosion-resistant hoses (e.g. fluorine rubber, PTFE, etc.) are available to adapt to acidic, alkaline or organic solvent gases.
Reversible conveying: forward and reverse conveying of gases can be achieved by changing the direction of rotation of the rollers.
Suitable environment
Because of its unique working principle and advantages, peristaltic pump for gases is suitable for a variety of specific environments. The following is a detailed summary of the applicable environment of the gas peristaltic pump:
Peristaltic pump for gases are able to handle a variety of corrosive gases, thanks to the fact that their pump bodies and pump tubes are usually made of corrosion-resistant materials. For example, the pump casing and pump head may be made of stainless steel, titanium alloy or special alloys, while the pump pipe may be made of fluororubber, polytetrafluoroethylene (PTFE) and other corrosion-resistant materials. This allows the gas peristaltic pump to operate stably in environments containing corrosive gases, such as chemical reaction processes in the chemical industry, etching and deposition processes in semiconductor manufacturing.
In the pharmaceutical industry, the semiconductor industry, and certain laboratory applications, the purity of gases is very high. The design of the gas peristaltic pump avoids direct contact between the gas and the inside of the pump body, reducing the possibility of contamination and making it ideal for transporting high-purity gases. For example, in the pharmaceutical process, peristaltic pumps can be used to transport high purity gases such as nitrogen and argon for aseptic production and packaging.
The gas peristaltic pump has the ability to precisely control the gas flow, which makes it excellent in applications where precise flow control is required. For example, in environmental monitoring, peristaltic pumps can be used to extract and analyze pollutants in the air, and their precise flow control ensures the accuracy of the analysis results. In addition, in the laboratory, peristaltic pumps are also often used to provide a stable gas supply for experimental equipment to meet the precise requirements of gas flow for experiments.
Some industrial environments may have vibration, high temperature, electromagnetic interference and other harsh conditions, which puts higher requirements on the performance and stability of the pump. The gas peristaltic pump is designed to operate stably in these harsh environments. For example, some special models of peristaltic pumps use high-quality electronic components and optimized hardware and software design to ensure long-term reliable and stable operation. At the same time, its good electromagnetic compatibility performance can also ensure that the pump works properly in the electromagnetic interference environment.
In areas such as biopharmaceuticals, cleanliness is extremely high. The design of the gas peristaltic pump avoids direct contact between the gas and the inside of the pump body, reducing the possibility of contamination and making it ideal for use in these environments where cleanliness is required. In addition, the pump tube of the peristaltic pump is easy to clean and replace, which further meets the cleanliness requirements of these environments.
Common industrial gases that can be treated
► Nitrogen (N₂) :
Nitrogen is an inert gas that is often used in industrial production to protect the atmosphere and prevent the oxidation of materials at high temperatures.
Peristaltic pump for gases can stably transport nitrogen to meet the needs of welding, cutting, heat treatment and other processes.
► Oxygen (O₂) :
Oxygen is a combustion gas, widely used in medical, chemical, environmental protection and other fields.
The gas peristaltic pump can precisely control the flow of oxygen to ensure its stable supply in different application scenarios, such as oxygen supply in medical treatment, oxidation reaction in chemical production, etc.
► Argon (Ar) :
Argon is also an inert gas that is often used as a protective atmosphere in welding, cutting, and semiconductor manufacturing.
The gas peristaltic pump delivers argon safely, ensuring quality during welding and cutting.
► Co2 (CO₂) :
Carbon dioxide is widely used in chemical, food, medical and other fields, such as carbonated beverages, welding protection, and cryotherapy in medical treatment.
Gas peristaltic pumps can precisely control the flow of carbon dioxide to meet the needs of these application scenarios.
► Hydrogen (H₂) :
Hydrogen is a kind of flammable and explosive gas, which has important applications in chemical industry, energy and other fields, such as synthetic ammonia and fuel cells.
Gas peristaltic pump through the use of explosion-proof design and safety measures, can safely transport hydrogen.
► Helium (He) :
Helium is a rare gas that is commonly used in cryogenic experiments, research on superconducting materials, and medical MRI.
Gas peristaltic pumps can deliver helium stably to meet the needs of these high-precision fields.
► Methane (CH₄) :
Methane is the main component of natural gas and is widely used in the energy field.
Gas peristaltic pumps can handle methane gas to ensure its safety and stability during transportation.
► Corrosive gases such as hydrogen chloride (HCl) :
These gases may be produced in chemical production and have a certain corrosive effect on the pump material.
The gas peristaltic pump can safely transport these corrosive gases by using the pump housing and pump tube made of corrosion-resistant materials.
Acid gas that can be processed
Sulfur dioxide (SO₂)
Sulfur dioxide is a common acid gas, which is mainly derived from the flue gas emitted by coal-fired power plants and industrial boilers.
Gas peristaltic pump can safely transport sulfur dioxide for flue gas desulfurization, waste gas treatment and other processes.
Hydrogen sulfide (H₂S)
Hydrogen sulfide is a colorless, highly toxic, acidic gas commonly found in industrial processes such as natural gas and petroleum refining.
By using corrosion-resistant materials and sealing design, gas peristaltic pumps can handle gases containing hydrogen sulfide, ensuring safety and stability during operation.
Chlorine (Cl₂)
Chlorine gas is a yellowish green acid gas with pungent odor, which is widely used in chemical industry, water treatment and other fields.
Gas peristaltic pumps meet the needs of these areas by using corrosion-resistant pump tubes and sealing materials to safely transport chlorine gas.
Nitrogen dioxide (NO₂)
Nitrogen dioxide is a reddish brown acid gas with pungent odor, which mainly comes from automobile exhaust and industrial emissions.
Gas peristaltic pumps can precisely control the flow of nitrogen dioxide for environmental monitoring, waste gas treatment and other applications.
Other acidic gases
In addition to the above common acidic gases, the gas peristaltic pump can also handle a variety of other acidic gases, such as sulfur trioxide (SO₃), hydrogen fluoride (HF) and SO on.
These acidic gases have important applications in chemical industry, semiconductor manufacturing, environmental protection and other fields, and the gas peristaltic pump can ensure the safe transportation of these gases by using appropriate materials and design.
Alkaline gases that can be handled
Ammonia (NH₃)
Properties: Ammonia is a colorless, strong pungent odor gas, easily soluble in water, aqueous solution is alkaline.
Application: Ammonia is widely used in refrigeration, fertilizer production, pharmaceutical manufacturing and other fields.
Handling: The gas peristaltic pump delivers ammonia safely, ensuring a stable supply for different application scenarios. Because ammonia is corrosive, it is necessary to choose pump housings and pump tubes made of corrosion-resistant materials.
Other alkaline gases
In addition to ammonia, peristaltic pump for gases can also handle a variety of other alkaline gases, such as:
Basic oxide gases
Some basic oxides may exist in gaseous form under certain conditions, such as sodium oxide (Na₂O), potassium oxide (K₂O), etc. These gases are usually highly corrosive and need to be treated with corrosion-resistant materials.
Other alkaline compound gases
Some alkaline compounds may decompose into gaseous alkaline substances under heating or specific conditions, such as carbon dioxide and water vapor caused by the decomposition of sodium bicarbonate (NaHCO₃) when heated (although water vapor is not an alkaline gas, but the decomposition process may be accompanied by the release of alkaline substances). The treatment of such gases also needs to consider the corrosion resistance and sealing performance of the pump.
Matters needing attention
Material selection
Because alkaline gases are usually highly corrosive, when selecting gas peristaltic pumps, priority should be given to pump shells and pump tubes made of corrosion-resistant materials to ensure the long-term stable operation of the pump.
Sealing performance
Good sealing performance is the key to prevent alkaline gas leakage. The gas peristaltic pump should adopt a reliable sealing design to ensure that the connection between the pump body and the pump pipe is tight without leakage.
Safety measures
When dealing with alkaline gases, necessary safety measures should be taken, such as wearing personal protective equipment, setting up ventilation and exhaust systems, etc., to ensure the health and safety of the operator.
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