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Китай производитель 18.5kw промышленный двухступенчатый винтовой вакуумный насос без масла с лучшими продажами

Описание товара

18.5kw Industrial Double Stage Screw Oil Free Screw Vacuum Pump

Описание товара

The LGB screw vacuum pump is an extraction equipment that uses a pair of screws to perform synchronous high-speed reverse rotation in the pump casing, generating suction and exhaust effects. Due to the certain gap between the screws, the pump operates smoothly without friction, with low noise, and no need for lubricating oil in the working chamber. Therefore, the dry screw pump can extract gas containing water vapor and a small amount of dust; Due to the maximum pressure of the LGB screw vacuum pump CHINAMFG 5PA, it can be widely used in various fields such as chemical industry, metallurgy, electronics, petroleum, aerospace, tools, papermaking, packaging, food, medicine, medical equipment, as well as information engineering, biotechnology, microelectronics, etc

Product Parameters

 

Model

LGB-70

LGB-100

LGB-200

LGB-300

Pumping speed(L/3)

70

100

200

300

Ultimate pressure(Pa)

5

5

5

5

rotational speed(rpm)

2900

2940

2940

2950

Connections of inlet  DN(mm)

50

80

100

125

Connections of outle  DN(mm)

45

65

65

80

Noise level dB(A)

≤80

≤80

≤80

≤80

temperature rise(°C)

≤40°C

≤40°C

≤40°C

≤40°C

Pumping size(mm)

1360X960X700

1650X847X933

1740X960X980

2100X1100X1030

Weight (with oil filling) kg

500

665

1571

1300

Motor Power(Kw)

7.5

15

18.5

37

Motor Voltage/motor base frequency(V/Hz)

380/50

380/50

380/50

380/50

Nominal Motor speed (rpm)

2900

2940

2940

2950

Nominal Motor current(A)

14.8

28.8

35.5

67.9

Type of protection(IP)

IP55

IP55

IP55

IP55

Подробные фотографии

Choose the right materials and weld carefully

Surface texture, smooth lines, good quality visible

Performance stability and outstanding advantages

We can recommend the closest model according to your requirements

Long term use and high efficiency

Compact structure, low noise, and reliable use

Easy to disassemble and maintain

Can be selected according to process requirements

Materials and sealing methods for the overcurrent section of the pump

 

Профиль компании

HangZhou Sifang Vacuum Equipment Co., Ltd. specializes in the production of vacuum furnaces, vacuum pumps, steel drums and other products.”Sifang” is the registered trademark of the company’s products.

our company is 1 professional vacuum equipment manufacturer in HangZhou, China. We specialize in vacuum pumps, furnaces, systems and components for diverse applications. We produce rotary vane vacuum pumps, water ring vacuum pumps, reciprocating vacuum pumps, roots vacuum pump units, vacuum heat treatment furnaces, vacuum aluminum brazing furnaces, high temperature brazing fur- naces, vacuum sintering furnaces, monocrystalline silicon furnaces and other products. All these vacuum equipment are widely used in aviation, aerospace, military, railway, automobile, machinery, mold, electronics, metallurgy, scientific research and other fields.

We have professional engineer support, high efficiency sales team and competitive price superiority, and attract customers from all over the world, we export to over 40 countries, including Europe, Poland, Serbia, Turkey, Russia, USA, Mexico, Brazil, India, Thailand, Middle east and South Africa.

After several years’ development, We have achieved great progress, we are equipped with the AutomaticCNCmachines and multi-func- tion testing machines. Our R&D department provide the strong tech- nical support and enable us to receive some 0 E M, O D M projects. We can produce at least 3000 sets vacuum equipment per year. With our innovative and energy-efficient vacuum equipment that is put to work in a multitude of manufacturing and process applica- tions, we also offer you a comprehensive suite of CHINAMFG ser- vices to complement our products.

ЧАСТО ЗАДАВАЕМЫЕ ВОПРОСЫ

1.Q: Are you a factory or trading company?
A: We are a factory and we have professional team of workers,Designers and inspectors.

2.Q:Do you accept custom?
A:Of course.We have professional teams who make your designs,photos,imagines and OEM orders into real production.

3.Q:What’s your advantages?
A: Quick response to your enquiry,
High quality control,
Reasonable price,
Timely delivery,
Excellent after-sales service,
OEM/ODM are welcome

4.Q:What’s your shipping terms?
A:If you need to ship by air,we can use DHL,UPS,FedEx,TNT or EMS.If you need to ship by sea,we have many good forwarders to work with,they can provide the best price for you.

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Послепродажное обслуживание: Online Support
Гарантия: 1 Year
Нефть или не нефть: Oil
Структура: Вакуумный насос
Метод эксгаустера: Вакуумный насос для удаления паразитов
Степень вакуума: Вакуум
Персонализация:
Доступно

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вакуумный насос

Можно ли использовать вакуумные насосы для вакуумной упаковки?

Да, вакуумные насосы можно использовать для вакуумной упаковки. Вот подробное объяснение:

Вакуумная упаковка - это метод удаления воздуха из упаковки или контейнера, создающий вакуумную среду. Этот процесс помогает продлить срок хранения скоропортящихся продуктов, предотвратить порчу и сохранить свежесть продукции. Вакуумные насосы играют решающую роль в достижении необходимого уровня вакуума для эффективной упаковки.

Когда речь идет о вакуумной упаковке, обычно используются два типа вакуумных насосов:

1. Одноступенчатые вакуумные насосы: Одноступенчатые вакуумные насосы обычно используются для вакуумной упаковки. В таких насосах для создания вакуума используется одна вращающаяся лопатка или поршень. Они могут достигать умеренных уровней вакуума, подходящих для большинства требований к упаковке. Одноступенчатые насосы имеют относительно простую конструкцию, компактны и экономически эффективны.

2. Пластинчато-роторные вакуумные насосы: Пластинчато-роторные вакуумные насосы - еще один популярный выбор для вакуумной упаковки. В этих насосах для создания вакуума используется несколько лопастей, установленных на роторе. Они обеспечивают более высокий уровень вакуума по сравнению с одноступенчатыми насосами, что делает их подходящими для приложений, требующих более глубокого вакуума. Пластинчато-роторные насосы известны своей надежностью, стабильной работой и долговечностью.

При использовании вакуумных насосов для вакуумной упаковки обычно выполняются следующие действия:

1. Подготовка: Убедитесь, что упаковочный материал, например вакуумные пакеты или контейнеры, подходит для вакуумной упаковки и может выдержать вакуумное давление без утечки. Поместите упаковываемый продукт в соответствующий упаковочный материал.

2. Запечатывание: Правильно запечатайте упаковочный материал, либо с помощью тепловой герметизации, либо с использованием специализированного вакуумного оборудования для герметизации. Это обеспечивает герметичную упаковку продукта.

3. Работа вакуумного насоса: Подключите вакуумный насос к упаковочному оборудованию или непосредственно к упаковочному материалу. Запустите вакуумный насос, чтобы начать процесс вакуумирования. Насос удалит воздух из упаковки, создав вакуумную среду.

4. Контроль уровня вакуума: Контролируйте уровень вакуума в процессе упаковки с помощью манометров или датчиков вакуума. В зависимости от конкретных требований к упаковке, отрегулируйте уровень вакуума соответствующим образом. Цель - достичь желаемого уровня вакуума, подходящего для упаковываемого продукта.

5. Запечатывание и закрытие: После достижения желаемого уровня вакуума полностью запечатайте упаковочный материал, чтобы сохранить вакуумную среду. Это можно сделать с помощью тепловой герметизации упаковочного материала или с помощью специализированных герметизирующих механизмов, предназначенных для вакуумной упаковки.

6. Маркировка и хранение продукта: После герметизации промаркируйте упакованный продукт и храните его надлежащим образом, учитывая такие факторы, как температура, влажность и освещенность, чтобы максимально продлить срок годности продукта.

Важно отметить, что конкретный уровень вакуума, необходимый для вакуумной упаковки, может варьироваться в зависимости от упаковываемого продукта. Для одних продуктов может потребоваться частичный вакуум, а для других - более строгий. Выбор вакуумного насоса и используемых механизмов управления будет зависеть от конкретных требований к вакуумной упаковке.

Вакуумные насосы широко используются в различных отраслях промышленности для вакуумной упаковки, включая производство продуктов питания и напитков, фармацевтику, электронику и многое другое. Они обеспечивают эффективное и надежное средство создания вакуумной среды, помогая сохранить качество продукции и продлить срок ее хранения.

вакуумный насос

Can Vacuum Pumps Be Used in the Production of Solar Panels?

Yes, vacuum pumps are extensively used in the production of solar panels. Here’s a detailed explanation:

Solar panels, also known as photovoltaic (PV) panels, are devices that convert sunlight into electricity. The manufacturing process of solar panels involves several critical steps, many of which require the use of vacuum pumps. Vacuum technology plays a crucial role in ensuring the efficiency, reliability, and quality of solar panel production. Here are some key areas where vacuum pumps are utilized:

1. Silicon Ingot Production: The first step in solar panel manufacturing is the production of silicon ingots. These ingots are cylindrical blocks of pure crystalline silicon that serve as the raw material for solar cells. Vacuum pumps are used in the Czochralski process, which involves melting polycrystalline silicon in a quartz crucible and then slowly pulling a single crystal ingot from the molten silicon. Vacuum pumps create a controlled environment by removing impurities and preventing contamination during the crystal growth process.

2. Wafering: After the silicon ingots are produced, they undergo wafering, where the ingots are sliced into thin wafers. Vacuum pumps are used in wire saws to create a low-pressure environment that helps to cool and lubricate the cutting wire. The vacuum also assists in removing the silicon debris generated during the slicing process, ensuring clean and precise cuts.

3. Solar Cell Production: Vacuum pumps play a significant role in various stages of solar cell production. Solar cells are the individual units within a solar panel that convert sunlight into electricity. Vacuum pumps are used in the following processes:

– Diffusion: In the diffusion process, dopants such as phosphorus or boron are introduced into the silicon wafer to create the desired electrical properties. Vacuum pumps are utilized in the diffusion furnace to create a controlled atmosphere for the diffusion process and remove any impurities or gases that may affect the quality of the solar cell.

– Deposition: Thin films of materials such as anti-reflective coatings, passivation layers, and electrode materials are deposited onto the silicon wafer. Vacuum pumps are used in various deposition techniques like physical vapor deposition (PVD) or chemical vapor deposition (CVD) to create the necessary vacuum conditions for precise and uniform film deposition.

– Etching: Etching processes are employed to create the desired surface textures on the solar cell, which enhance light trapping and improve efficiency. Vacuum pumps are used in plasma etching or wet etching techniques to remove unwanted material or create specific surface structures on the solar cell.

4. Encapsulation: After the solar cells are produced, they are encapsulated to protect them from environmental factors such as moisture and mechanical stress. Vacuum pumps are used in the encapsulation process to create a vacuum environment, ensuring the removal of air and moisture from the encapsulation materials. This helps to achieve proper bonding and prevents the formation of bubbles or voids, which could degrade the performance and longevity of the solar panel.

5. Testing and Quality Control: Vacuum pumps are also utilized in testing and quality control processes during solar panel production. For example, vacuum systems can be used for leak testing to ensure the integrity of the encapsulation and to detect any potential defects or leaks in the panel assembly. Vacuum-based measurement techniques may also be employed for assessing the electrical characteristics and efficiency of the solar cells or panels.

In summary, vacuum pumps are integral to the production of solar panels. They are used in various stages of the manufacturing process, including silicon ingot production, wafering, solar cell production (diffusion, deposition, and etching), encapsulation, and testing. Vacuum technology enables precise control, contamination prevention, and efficient processing, contributing to the production of high-quality and reliable solar panels.вакуумный насос

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.

Китай производитель 18.5kw промышленный двухступенчатый винтовой вакуумный насос без масла с лучшими продажами Китай производитель 18.5kw промышленный двухступенчатый винтовой вакуумный насос без масла с лучшими продажами
editor by Dream 2024-05-06

Почта: Sales@china-vacuum-pumps.com

Профессиональное производство вакуумных насосов Рутса, пластинчато-роторных насосов, роторно-поршневых насосов, жидкостно-кольцевых вакуумных насосов, безмасляных воздушных компрессоров, винтовых компрессоров, спиральных компрессоров, производителей и поставщиков.

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