产品说明
Specification
|
Caliber(mm) |
Φ50-Φ350mm |
|
Capacity(m³/min) |
0.3-180m³/min |
|
Pressure (kpa) |
-53.398.8kpa |
Products Description
The NSR- roots blower has low noise, high efficiency, easy operation, high manufacturing precision, can operate under high pressure for a long time, high efficiency and energy saving at the leading level in China. It is widely used in petrochemical,building materials, electric power, smelting, fertilizer, mining, port, light textile, food, paper making,aquaculture and sewage treatment, environmental protection industry and many other fields, mostly used to transport air.
Our Advantages
The company’s processing capabilities are unparalleled in the domestic blower industry.
Intelligent Detection System For Roots Blowers
The intelligent testing center for blowers, with an investment of more than 6 million RMB, is an exclusive joint venture between HangZhou Blower Research Institute and HangZhou Branch of Chinese Academy of Sciences for our company. It is the most authoritative, professional and accurate fan performance testing center in China’s roots blower industry.
Each Blower is Tested Before it Leaves the Factory
The testing center has a total of 15 testing lines, which can test the performance parameters of different blowers under different powers from 5.5kW to 400kW, and has the testing capacity of handling more than 1 hundred units/sets per day. The engineering computer automatically collects the flow rate, pressure, temperature and other data of the blower on the testing line and displays them through the LCD screen to facilitate personnel records.
Strict Testing
Our company emphasizes both quality and innovation, and we believe that service and development should go hand in hand.
Technological
The company has invested nearly 200 million RMB in 3 phases of construction and possesses 15 unique intelligent wind turbine inspection lines, as well as over 30 large, precision, and rare equipment such as horizontal and vertical machining centers, horizontal CNC boring and milling machines, three-coordinate measuring centers, CNC two-way surface planers, and horizontal CNC gantry planers.
Our Mission and Server
Our company emphasizes both quality and innovation, and we believe that service and development should go hand in hand. We adhere to the principle of first-class quality, first-class service and are committed to providing high-quality, efficient, and energy-saving products. As a result, we have established a good reputation in the market.
Our multi-stage centrifugal division provides multiple specifications of multi-stage centrifugal air blowers. In addition, we also have a screw blower division, a rotary blower division, and an air suspension blower division, all of which have strong technical strength and production scale.
1.CNC machining center
2.Three coordinate inspection
3.Parts warehouse
4.Quality inspection center
5.Intelligent inspection system
6.Assembly and delivery
Product packaging
The goods are loaded into wooden boxes and fixed with tools such as wooden boards and screws to ensure the safety of the goods in transit.
Certifications
Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding Machine PET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes.
展览
We participate in domestic and international industry exhibitions every year, showcasing advanced products, excellent services, and preferential prices. Come and visit us to experience it for yourself!
常见问题
Q1:Are you direct manufacturer or trading company?
A. We have our own factory and international department.
We produce and sell all by ourselves.
Q2: How about the price?
A.The price is negotiable. It can be changed according to your quantity or packaging.When you are making an inquiry, please let us
know the quantity you want.
Q3:How long is your warranty?
A: One year after the arrival of the goods. During this period, as long as it is not a man-made damage, we send the damaged parts
free of charge.
Q4.Do you accept OEM order?
A.Yes,we can produce as client’s request.
Q5.How does your factory do regarding quality control?
A.Quality is prionrity .We always attach great importance to quality controlling from the very beginning to the very end.Our
factory has gained CE,ISO9001,authentication.All the blower spare parts are processed by CNC.
Q6. How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. if the goods are not in stock, it is according to
quantity
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| Material: | Cast Iron |
|---|---|
| Usage: | for Air Conditioner, for Manufacture |
| Pressure: | High Pressure |
| Certification: | ISO, CE |
| 类型 | Three Lobe |
| 保修： | 1 年 |
| 定制： |
可用
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Can Vacuum Pumps Be Used for Vacuum Packaging?
Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:
Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.
When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:
1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.
2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.
When using vacuum pumps for vacuum packaging, the following steps are typically involved:
1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.
2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.
3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.
4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.
5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.
6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.
It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.
Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.
真空泵可用于化学蒸馏吗？
是的，真空泵通常用于化学蒸馏过程。下面是详细说明：
化学蒸馏是一种根据不同沸点分离或提纯混合物成分的技术。该过程包括加热混合物以蒸发所需成分，然后冷凝蒸汽以收集提纯物质。真空泵在化学蒸馏中起着至关重要的作用，它可以创造一个减压环境，从而降低各组分的沸点，并在较低温度下进行蒸馏。
以下是在化学蒸馏中使用真空泵的一些关键方面：
1.减压：真空泵通过在蒸馏装置中创造真空或低压环境，降低系统内的压力。压力的降低可降低成分的沸点，使蒸馏在低于其正常沸点的温度下进行。这对于热敏性或高沸点化合物尤其有用，因为这些化合物在较高温度下会分解或热降解。
2.提高沸点分离度：真空蒸馏提高了成分沸点之间的分离度，从而更容易达到更高的纯度。在普通的常压蒸馏中，某些成分的沸点可能会重叠，导致分离效果较差。通过真空操作，各组分的沸点距离更远，从而提高了蒸馏过程的选择性和效率。
3.能源效率：真空蒸馏比在大气条件下蒸馏更节能。压力的降低降低了蒸馏所需的温度，从而减少了能耗，降低了运营成本。这在处理大规模蒸馏过程或蒸馏需要严格控制温度的热敏性化合物时尤为有利。
4.真空泵的类型：根据工艺的具体要求，不同类型的真空泵可用于化学蒸馏。常用的真空泵类型包括
- 旋片泵：旋片泵能够达到中等真空度并处理各种气体，因此被广泛用于化学蒸馏。其工作原理是利用旋转叶片形成可膨胀和收缩的腔室，从而实现气体或蒸汽的抽吸。
- 隔膜泵：隔膜泵适用于较小规模的蒸馏过程。它们使用可上下移动的柔性隔膜来产生真空并压缩气体或蒸汽。隔膜泵通常不含油，因此适用于必须避免油污染的应用。
- 液环泵：液环泵可以处理要求更高的蒸馏过程和腐蚀性气体。它们依靠旋转的液环形成密封并压缩气体或蒸汽。液环泵常用于化工和石化行业。
- 干式螺杆泵：干式螺杆泵适用于高真空蒸馏工艺。它们使用相互啮合的螺杆来压缩和输送气体或蒸汽。干式螺杆泵以抽气速度高、噪音低和无油操作而著称。
总体而言，真空泵是化学蒸馏过程中不可或缺的设备，因为真空泵可以创造必要的减压环境，从而在较低温度下进行蒸馏。通过使用真空泵，可以实现更好的分离，提高能效，并有效处理热敏化合物。真空泵的选择取决于所需的真空度、蒸馏过程的规模以及蒸馏化合物的性质等因素。
Are There Different Types of Vacuum Pumps Available?
Yes, there are various types of vacuum pumps available, each designed to suit specific applications and operating principles. Here’s a detailed explanation:
Vacuum pumps are classified based on their operating principles, mechanisms, and the type of vacuum they can generate. Some common types of vacuum pumps include:
1. Rotary Vane Vacuum Pumps:
– Description: Rotary vane pumps are positive displacement pumps that use rotating vanes to create a vacuum. The vanes slide in and out of slots in the pump rotor, trapping and compressing gas to create suction and generate a vacuum.
– Applications: Rotary vane vacuum pumps are widely used in applications requiring moderate vacuum levels, such as laboratory vacuum systems, packaging, refrigeration, and air conditioning.
2. Diaphragm Vacuum Pumps:
– Description: Diaphragm pumps use a flexible diaphragm that moves up and down to create a vacuum. The diaphragm separates the vacuum chamber from the driving mechanism, preventing contamination and oil-free operation.
– Applications: Diaphragm vacuum pumps are commonly used in laboratories, medical equipment, analysis instruments, and applications where oil-free or chemical-resistant vacuum is required.
3. Scroll Vacuum Pumps:
– Description: Scroll pumps have two spiral-shaped scrolls—one fixed and one orbiting—which create a series of moving crescent-shaped gas pockets. As the scrolls move, gas is continuously trapped and compressed, resulting in a vacuum.
– Applications: Scroll vacuum pumps are suitable for applications requiring a clean and dry vacuum, such as analytical instruments, vacuum drying, and vacuum coating.
4. Piston Vacuum Pumps:
– Description: Piston pumps use reciprocating pistons to create a vacuum by compressing gas and then releasing it through valves. They can achieve high vacuum levels but may require lubrication.
– Applications: Piston vacuum pumps are used in applications requiring high vacuum levels, such as vacuum furnaces, freeze drying, and semiconductor manufacturing.
5. Turbo Molecular Vacuum Pumps:
– Description: Turbo pumps use high-speed rotating blades or impellers to create a molecular flow, continuously pumping gas molecules out of the system. They typically require a backing pump to operate.
– Applications: Turbo molecular pumps are used in high vacuum applications, such as semiconductor fabrication, research laboratories, and mass spectrometry.
6. Diffusion Vacuum Pumps:
– Description: Diffusion pumps rely on the diffusion of gas molecules and their subsequent removal by a high-speed jet of vapor. They operate at high vacuum levels and require a backing pump.
– Applications: Diffusion pumps are commonly used in applications requiring high vacuum levels, such as vacuum metallurgy, space simulation chambers, and particle accelerators.
7. Cryogenic Vacuum Pumps:
– Description: Cryogenic pumps use extremely low temperatures to condense and capture gas molecules, creating a vacuum. They rely on cryogenic fluids, such as liquid nitrogen or helium, for operation.
– Applications: Cryogenic vacuum pumps are used in ultra-high vacuum applications, such as particle physics research, material science, and fusion reactors.
These are just a few examples of the different types of vacuum pumps available. Each type has its advantages, limitations, and suitability for specific applications. The choice of vacuum pump depends on factors like required vacuum level, gas compatibility, reliability, cost, and the specific needs of the application.
editor by CX 2024-03-28
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