Product Description
Company Profile
SHEN LAN is a foreign trade enterprise in the field of professional and industrial pumps. Established in 2008, our factory has become a famous enterprise in the Chinese market, and our products are exported to Europe, America, Asia and Africa. The high quality of our products has won us high reputation both at home and abroad. The company has core patents, research and development of all kinds of different functions of slurry pump, desulfurization pump, clean water pump, vacuum pump and other products, Our products are applicable in various fields such as labs, chemical, petroleum, papermaking, pharmacy and food industries, and water and electricity factories. According to customers′ different use scenarios to develop technical solutions. Meet any customer needs. The company focuses on product quality, in accordance with the highest standards in the industry to produce, so that customers on quality rest assured, satisfied with the service. As a trustworthy China Supplier, we sincerely hope to cooperate with more friends worldwide.
Product Description
The D-type pump is designed to transport clean water or liquids with physical and chemical properties similar to clean water that do not contain CHINAMFG particles and have a temperature below 80C. Suitable for mines
Factory city water supply and drainage. The DF pump is designed for transporting liquids with temperatures ranging from -20C to 105C, which do not contain CHINAMFG particles and are corrosive. The inlet pressure of the pump is less than 6Mpa. The DY pump is suitable for conveying solids free particles. Oil petroleum products with a temperature of -20C~105C and a viscosity of less than 120 cm. The MD multi-stage wear-resistant pump is suitable for conveying particles in coal mines with a content not exceeding 1.5%. Neutral mine water with a particle size less than 0.5mm and a temperature not exceeding 40C and similar other sewage.
According to different purposes, D series can be divided into:
D: Suitable for transporting clean water without CHINAMFG particles or liquids with physical and chemical properties similar to clean water. The temperature of the transported medium is 0~+80ºC, the pump suction is horizontal, and the discharge is vertically upward.
DM: It is suitable for conveying liquids with a small amount of CHINAMFG particles and similar physical and chemical properties to clean water. The temperature of the conveyed medium is 0~+80ºC, the pump suction is horizontal, and the discharge is vertically upward.
DG: It is suitable for conveying clear water without CHINAMFG particles or objects with physical and chemical properties similar to clear water. The temperature of the conveyed medium is -20ºC~150ºC, and the suction and discharge of the pump are vertically upward.
DY: It is suitable for conveying petroleum products without CHINAMFG particles or other liquids similar to water. The temperature of the conveyed medium is -20ºC~+400ºC, and the suction and discharge of the pump are vertically upward.
DF: Suitable for conveying corrosive liquids without CHINAMFG particles, the temperature of the conveyed medium is -20ºC~+150ºC, and the suction and discharge of the pump are vertically upward.
All the above types of pumps can be selected with mechanical seals or soft packing seals according to user requirements, and the material of the flow-through parts can be cast iron, bronze, stainless steel or ordinary carbon steel.
Performance Parameters:
| Flow: | 3.7-1350m3/h |
| Head: | 33-1800m |
| Power: | 3-1600kw |
| Material: | Cast Iron,SS304,SS316,etc |
Product Description
Biref introduction:
ZLF (ZLX,ZLJ)vertical submerged chemical pump adopts double bearing supporting to improve the reliability and stability of operation. A suction pump below 2 m length can be added to pump inlet according to the requirement of working liquid level. Various materials are available for different applications. ZLF (ZLX,ZLJ)vertical submerged chemical pump is suitable for conveying fluids without solids or fluids with a few suspending particles. It is widely used in industries of electric power,mining,cement,metallurgy,non-ferrous metals…
Parameters:
- Flow rate:Q=9~460 (m³/h)
- Total head:H=10~65 (m)
- Pump speed:n=1450rpm
- Fluid s.g.:γ ≤1.5
- Fluid temperature:T=0~80ºC
- Pump diameter:50~200mm
Features:
- A new type vertical submerged centrifugal chemical pump conforms to standard JB/T8096-1998.
- Double bearing supporting to improve the reliability and stability of operation.
- Optimized hydraulic model to better adapt different applications.
- Several standard immersed depths of pump.A suction pipe can be added onto pump inlet flange when the pump immersed depth is longer than 1.5 m.
- Adopting low linear speed design for heavy slurry to extend pump life.
- Different anti-abrasive materials for various applications.
Structure:
- Single casing structure,pump casing is connected to the supporting tube,supporting tube is connected to bearing housing,bearing housing is connected to baseplate.
- Cylinder type bearing housing plus rolling bearings.
- Sealing ring as the shaft sealing,without any cooling water.
- A stir impeller is adopted beyond the impeller of ZLJ model to agitate slurry or particles in the fluids.
- Direct coupled Transmission.
FAQ
Q1. Are you a manufacturer?
Yes, we have been in centrifugal pumps manufacturing and marketing industry over 20 years.
Q2. What markets do your pumps export to?
Europe, North & South America, South-East Asia, Africa, Oceanica, Middle East countries. Our overseas agent in Italy, Russia, America and Africa are gradually improving.
Q3. What information should I let you know if I want to get a quotation?
Please let us know the pump capacity, head, medium, operation situation, quantity, etc. As much as your provide, the precision and accurate model selection.
Q4. Is it available to print our own brand on the pump?
Totally acceptable as international rules.
Q5. How can I get the price of your pump?
You can connect with us through any of the following contact information. Our personalized service person will respond you within 24 hours.
contact-info.html
| After-sales Service: | Timely Communication |
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| Warranty: | 1year |
| Max.Head: | 80-110m |
| Samples: |
US$ 5000/Set
1 Set(Min.Order) | Order Sample |
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| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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How Are Vacuum Pumps Employed in the Production of Electronic Components?
Vacuum pumps play a crucial role in the production of electronic components. Here’s a detailed explanation:
The production of electronic components often requires controlled environments with low or no atmospheric pressure. Vacuum pumps are employed in various stages of the production process to create and maintain these vacuum conditions. Here are some key ways in which vacuum pumps are used in the production of electronic components:
1. Deposition Processes: Vacuum pumps are extensively used in deposition processes, such as physical vapor deposition (PVD) and chemical vapor deposition (CVD), which are commonly employed for thin film deposition on electronic components. These processes involve the deposition of materials onto substrates in a vacuum chamber. Vacuum pumps help create and maintain the necessary vacuum conditions required for precise and controlled deposition of the thin films.
2. Etching and Cleaning: Etching and cleaning processes are essential in the fabrication of electronic components. Vacuum pumps are used to create a vacuum environment in etching and cleaning chambers, where reactive gases or plasmas are employed to remove unwanted materials or residues from the surfaces of the components. The vacuum pumps help evacuate the chamber and ensure the efficient removal of byproducts and waste gases.
3. Drying and Bake-out: Vacuum pumps are utilized in the drying and bake-out processes of electronic components. After wet processes, such as cleaning or wet etching, components need to be dried thoroughly. Vacuum pumps help create a vacuum environment that facilitates the removal of moisture or solvents from the components, ensuring their dryness before subsequent processing steps. Additionally, vacuum bake-out is employed to remove moisture or other contaminants trapped within the components’ materials or structures, enhancing their reliability and performance.
4. Encapsulation and Packaging: Vacuum pumps are involved in the encapsulation and packaging stages of electronic component production. These processes often require the use of vacuum-sealed packaging to protect the components from environmental factors such as moisture, dust, or oxidation. Vacuum pumps assist in evacuating the packaging materials, creating a vacuum-sealed environment that helps maintain the integrity and longevity of the electronic components.
5. Testing and Quality Control: Vacuum pumps are utilized in testing and quality control processes for electronic components. Some types of testing, such as hermeticity testing, require the creation of a vacuum environment for evaluating the sealing integrity of electronic packages. Vacuum pumps help evacuate the testing chambers, ensuring accurate and reliable test results.
6. Soldering and Brazing: Vacuum pumps play a role in soldering and brazing processes for joining electronic components and assemblies. Vacuum soldering is a technique used to achieve high-quality solder joints by removing air and reducing the risk of voids, flux residuals, or oxidation. Vacuum pumps assist in evacuating the soldering chambers, creating the required vacuum conditions for precise and reliable soldering or brazing.
7. Surface Treatment: Vacuum pumps are employed in surface treatment processes for electronic components. These processes include plasma cleaning, surface activation, or surface modification techniques. Vacuum pumps help create the necessary vacuum environment where plasma or reactive gases are used to treat the component surfaces, improving adhesion, promoting bonding, or altering surface properties.
It’s important to note that different types of vacuum pumps may be used in electronic component production, depending on the specific process requirements. Commonly used vacuum pump technologies include rotary vane pumps, turbo pumps, cryogenic pumps, and dry pumps.
In summary, vacuum pumps are essential in the production of electronic components, facilitating deposition processes, etching and cleaning operations, drying and bake-out stages, encapsulation and packaging, testing and quality control, soldering and brazing, as well as surface treatment. They enable the creation and maintenance of controlled vacuum environments, ensuring precise and reliable manufacturing processes for electronic components.
How Do Vacuum Pumps Assist in Freeze-Drying Processes?
Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:
During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).
1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.
2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.
The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.
3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.
The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.
By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.
What Is a Vacuum Pump, and How Does It Work?
A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:
A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:
1. Sealed Chamber:
The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.
2. Inlet and Outlet:
The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.
3. Mechanical Action:
The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:
– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.
– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.
– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.
4. Gas Evacuation:
As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.
5. Exhaust or Collection:
Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.
6. Pressure Control:
Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.
7. Monitoring and Safety:
Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.
It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.
In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.
editor by CX 2023-12-02