Описание товара
Описание товара
Dry screw vacuum pump, is the use of a pair of screw, made in the pump shell synchronous high-speed reverse rotation of the effects of the suction and exhaust and suction device, 2 screw fine dynamic balancing correction, and is supported by bearings, is installed in the pump shell, between screw and screw has a certain gap, so the pump work, no friction between each other, smooth running, low noise, Working chamber without lubricating oil, therefore, dry screw pump can remove a lot of steam and a small amount of dust gas occasions, higher limit vacuum, lower power consumption, energy saving, maintenance-free and other advantages.Dry Oil-Free Air Cooling Screw Vacuum Pump ,This is an advanced and widely used vacuum pump at present, It is 1 of the best-selling products of our company.
It adopts explosion-proof motor with high configuration, It has the characteristics of low noise, no oil and pollution, clean and high vacuum, simple and convenient use, operation and maintenance, Widely used in many industries, For example, oil and gas recovery, vacuum coating, biomedicine, food processing, single crystal furnace, vacuum forming, vacuum melting, electronic photovoltaic, semiconductor synthesis and many other industries are used.
The dry oil-free screw vacuum pump produced by our company is divided into air cooling and water cooling according to the extraction rate, and there are many models for you to choose.
Our Advantages
There is no medium in the working chamber, which can obtain a clean vacuum.
. No clearance between rotating parts, high speed operation, small overall volume.
There is no compression in the gas, suitable for extraction of coagulable gas.
Can remove a lot of steam and a small amount of dust gas occasions.
. High vacuum, the ultimate vacuum up to 1 Pa.
Screw material is high strength special material, material density, wear resistance, stable performance.
No friction rotating parts, low noise.
. Simple structure, convenient maintenance.
Wider range of use: corrosive environment can be used.
No oil consumption, no water.
Pump gas directly discharged from the pump body, no pollution of water, no environmental pressure, more convenient gas recovery.
It can be composed of oil-free unit with Roots pump and molecular pump.
Typical Use
——Oil and gas recovery. ——Biological medicine ——Food Processing —— Single crystal furnace
——Vacuum forming ——Vacuum flame refining ——Electronic photovoltaic. ——Semiconductor synthesis
Product Parameters
Air cooling Dry screw vacuum pump
| Type (Air cooled series) |
Basic parameters | ||||||||
| Pumping speed (m3/h) |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber (мм) |
outlet caliber (mm) | Pump head weight (kg) |
noise dB(A) | Overall dimension (length*width*height) (мм) |
|
| LG-10 | 10 | ≤5 | 0.75 | 2730 | KF16 | KF16 | 30 | ≤ 72 | 655x260x285 |
| LG-20 | 20 | ≤5 | 1.1 | 2840 | KF25 | KF25 | 55 | ≤72 | 720x305x370 |
| LG-50 | 50 | ≤10 | 2.2 | 2850 | KF40 | KF40 | 90 | ≤75 | 920x350x420 |
| LG-70 | 70 | ≤30 | 3 | 2850 | KF40 | KF40 | 110 | ≤75 | 910x390x460 |
| LG-90 | 90 | ≤30 | 4 | 2870 | KF50 | KF50 | 125 | ≤80 | 1000x410x495 |
Water cooling Dry screw vacuum pump
| Type | Basic parameters | ||||||||
| Pumping speed m3/h |
Presure limit(Pa) | Power (kW) | revolution (rpm) | Inlet caliber mm |
outlet caliber mm | Cooling water volume L/min |
noise dB(A) | Overall dimension (length*width*height) mm |
|
| LGV-180 | 180 | 5 | 4 | 2900 | 40 | 40 | 2 | < 78 | 1157x375x734 |
| LGV-250 | 250 | 5 | 5.5 | 2900 | 50 | 40 | 5.5 | <78 | 1462x417x820 |
| LGV-360 | 360 | 5 | 7.5 | 2900 | 50 | 40 | 4 | W78 | 1462x455x820 |
| LGV-540 | 540 | 5 | 11 | 2900 | 65 | 50 | 8 | W80 | 1578x543x860 |
| LGV-720 | 720 | 5 | 15 | 2900 | 80 | 65 | 10 | <80 | 1623x562x916 |
| LGV-1100 | 1100 | 5 | 22 | 2900 | 100 | 80 | 14 | w 80 | 1866x598x1050 |
| LG V-1800 | 1800 | 5 | 37 | 2900 | 150 | 100 | 20 | w 80 | 2092×951 x 1150 |
Characteristic Curve
Air cooling Dry screw vacuum pumpWater cooling Dry screw vacuum pump
Подробные фотографии
Vacuum pumps are used in oiling machines
Vacuum pumps are used in chemical plants
General Manager Speech
Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.
Профиль компании
ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.
New plant plHangZhou
The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.
High precision machining equipment
The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.
Product quality wins consumer cooperationIn shipment ISO 9001
Welcome to send your needs, we will provide you with the best service,
provide the greatest help!!!
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| Гарантия: | One Year |
|---|---|
| Нефть или не нефть: | Без масла |
| Структура: | Screw |
| Метод эксгаустера: | Вакуумный насос для удаления паразитов |
| Степень вакуума: | High Vacuum |
| Work Function: | Mainsuction Pump |
| Персонализация: |
Доступно
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What Is the Impact of Altitude on Vacuum Pump Performance?
The performance of vacuum pumps can be influenced by the altitude at which they are operated. Here’s a detailed explanation:
Altitude refers to the elevation or height above sea level. As the altitude increases, the atmospheric pressure decreases. This decrease in atmospheric pressure can have several effects on the performance of vacuum pumps:
1. Reduced Suction Capacity: Vacuum pumps rely on the pressure differential between the suction side and the discharge side to create a vacuum. At higher altitudes, where the atmospheric pressure is lower, the pressure differential available for the pump to work against is reduced. This can result in a decrease in the suction capacity of the vacuum pump, meaning it may not be able to achieve the same level of vacuum as it would at lower altitudes.
2. Lower Ultimate Vacuum Level: The ultimate vacuum level, which represents the lowest pressure that a vacuum pump can achieve, is also affected by altitude. As the atmospheric pressure decreases with increasing altitude, the ultimate vacuum level that can be attained by a vacuum pump is limited. The pump may struggle to reach the same level of vacuum as it would at sea level or lower altitudes.
3. Pumping Speed: Pumping speed is a measure of how quickly a vacuum pump can remove gases from a system. At higher altitudes, the reduced atmospheric pressure can lead to a decrease in pumping speed. This means that the vacuum pump may take longer to evacuate a chamber or system to the desired vacuum level.
4. Increased Power Consumption: To compensate for the decreased pressure differential and achieve the desired vacuum level, a vacuum pump operating at higher altitudes may require higher power consumption. The pump needs to work harder to overcome the lower atmospheric pressure and maintain the necessary suction capacity. This increased power consumption can impact energy efficiency and operating costs.
5. Efficiency and Performance Variations: Different types of vacuum pumps may exhibit varying degrees of sensitivity to altitude. Oil-sealed rotary vane pumps, for example, may experience more significant performance variations compared to dry pumps or other pump technologies. The design and operating principles of the vacuum pump can influence its ability to maintain performance at higher altitudes.
It’s important to note that vacuum pump manufacturers typically provide specifications and performance curves for their pumps based on standardized conditions, often at or near sea level. When operating a vacuum pump at higher altitudes, it is advisable to consult the manufacturer’s guidelines and consider any altitude-related limitations or adjustments that may be necessary.
In summary, the altitude at which a vacuum pump operates can have an impact on its performance. The reduced atmospheric pressure at higher altitudes can result in decreased suction capacity, lower ultimate vacuum levels, reduced pumping speed, and potentially increased power consumption. Understanding these effects is crucial for selecting and operating vacuum pumps effectively in different altitude environments.
Can Vacuum Pumps Be Used for Chemical Distillation?
Yes, vacuum pumps are commonly used in chemical distillation processes. Here’s a detailed explanation:
Chemical distillation is a technique used to separate or purify components of a mixture based on their different boiling points. The process involves heating the mixture to evaporate the desired component and then condensing the vapor to collect the purified substance. Vacuum pumps play a crucial role in chemical distillation by creating a reduced pressure environment, which lowers the boiling points of the components and enables distillation at lower temperatures.
Here are some key aspects of using vacuum pumps in chemical distillation:
1. Reduced Pressure: By creating a vacuum or low-pressure environment in the distillation apparatus, vacuum pumps lower the pressure inside the system. This reduction in pressure lowers the boiling points of the components, allowing distillation to occur at temperatures lower than their normal boiling points. This is particularly useful for heat-sensitive or high-boiling-point compounds that would decompose or become thermally degraded at higher temperatures.
2. Increased Boiling Point Separation: Vacuum distillation increases the separation between the boiling points of the components, making it easier to achieve a higher degree of purification. In regular atmospheric distillation, the boiling points of some components may overlap, leading to less effective separation. By operating under vacuum, the boiling points of the components are further apart, improving the selectivity and efficiency of the distillation process.
3. Energy Efficiency: Vacuum distillation can be more energy-efficient compared to distillation under atmospheric conditions. The reduced pressure lowers the required temperature for distillation, resulting in reduced energy consumption and lower operating costs. This is particularly advantageous when dealing with large-scale distillation processes or when distilling heat-sensitive compounds that require careful temperature control.
4. Types of Vacuum Pumps: Different types of vacuum pumps can be used in chemical distillation depending on the specific requirements of the process. Some commonly used vacuum pump types include:
– Rotary Vane Pumps: Rotary vane pumps are widely used in chemical distillation due to their ability to achieve moderate vacuum levels and handle various gases. They work by using rotating vanes to create chambers that expand and contract, enabling the pumping of gas or vapor.
– Diaphragm Pumps: Diaphragm pumps are suitable for smaller-scale distillation processes. They use a flexible diaphragm that moves up and down to create a vacuum and compress the gas or vapor. Diaphragm pumps are often oil-free, making them suitable for applications where avoiding oil contamination is essential.
– Liquid Ring Pumps: Liquid ring pumps can handle more demanding distillation processes and corrosive gases. They rely on a rotating liquid ring to create a seal and compress the gas or vapor. Liquid ring pumps are commonly used in chemical and petrochemical industries.
– Dry Screw Pumps: Dry screw pumps are suitable for high-vacuum distillation processes. They use intermeshing screws to compress and transport gas or vapor. Dry screw pumps are known for their high pumping speeds, low noise levels, and oil-free operation.
Overall, vacuum pumps are integral to chemical distillation processes as they create the necessary reduced pressure environment that enables distillation at lower temperatures. By using vacuum pumps, it is possible to achieve better separation, improve energy efficiency, and handle heat-sensitive compounds effectively. The choice of vacuum pump depends on factors such as the required vacuum level, the scale of the distillation process, and the nature of the compounds being distilled.
Можно ли использовать вакуумные насосы в пищевой промышленности?
Да, вакуумные насосы широко используются в пищевой промышленности для различных целей. Вот подробное объяснение:
Вакуумные насосы играют важнейшую роль в пищевой промышленности, позволяя создавать и поддерживать вакуум или низкое давление. Они обеспечивают ряд преимуществ в плане сохранения, упаковки и обработки продуктов питания. Вот некоторые распространенные области применения вакуумных насосов в пищевой промышленности:
1. Вакуумная упаковка: Вакуумные насосы широко используются в процессах вакуумной упаковки. Вакуумная упаковка подразумевает удаление воздуха из упаковочного контейнера для создания вакуумной герметичной среды. Этот процесс помогает продлить срок хранения пищевых продуктов за счет подавления роста микроорганизмов, вызывающих порчу, и уменьшения окисления. Вакуумные насосы используются для удаления воздуха из упаковки, обеспечивая герметичность и сохраняя качество и свежесть продуктов.
2. Сублимационная сушка: Вакуумные насосы необходимы для процессов сублимационной сушки или лиофилизации, используемых в пищевой промышленности. Сублимационная сушка предполагает удаление влаги из пищевых продуктов в замороженном состоянии, что позволяет сохранить их текстуру, вкус и питательность. Вакуумные насосы создают среду с низким давлением, которая позволяет замороженной воде непосредственно сублимироваться из твердого состояния в пар, что приводит к удалению влаги из продуктов без ущерба для их качества.
3. Вакуумное охлаждение: Вакуумные насосы используются в процессах вакуумного охлаждения для быстрого и эффективного охлаждения пищевых продуктов. Вакуумное охлаждение предполагает помещение продуктов в вакуумную камеру и снижение давления. Это снижает температуру кипения воды, способствуя быстрому испарению влаги и тепла из продуктов, что позволяет быстро охладить их. Вакуумное охлаждение помогает сохранить свежесть, текстуру и качество деликатных продуктов питания, таких как фрукты, овощи и хлебобулочные изделия.
4. Вакуумное концентрирование: Вакуумные насосы используются в процессах вакуумной концентрации в пищевой промышленности. Вакуумное концентрирование подразумевает удаление избыточной влаги из жидких пищевых продуктов для увеличения содержания в них твердых частиц. Благодаря созданию вакуума температура кипения жидкости снижается, обеспечивая мягкое испарение воды при сохранении желаемых вкусовых качеств, питательных веществ и вязкости продукта. Вакуумное концентрирование обычно используется при производстве соков, соусов и концентратов.
5. Вакуумное смешивание и деаэрация: Вакуумные насосы используются в процессах смешивания и деаэрации в пищевой промышленности. При производстве некоторых пищевых продуктов, таких как шоколад, кондитерские изделия и соусы, вакуумное перемешивание используется для удаления пузырьков воздуха, достижения однородности и улучшения текстуры продукта. Вакуумные насосы помогают удалять воздух и газы, в результате чего продукты получаются гладкими и однородными.
6. Вакуумная фильтрация: Вакуумные насосы используются в пищевой промышленности для вакуумной фильтрации. Вакуумная фильтрация подразумевает отделение твердых частиц от жидкостей или газов с помощью фильтрующего материала. Вакуумные насосы создают всасывание, которое протаскивает жидкость или газ через фильтр, оставляя твердые частицы. Вакуумная фильтрация обычно используется в таких процессах, как осветление жидкостей, удаление примесей и отделение твердых частиц от жидкостей при производстве напитков, масел и молочных продуктов.
7. Маринование и засолка: Вакуумные насосы используются в процессах маринования и рассола в пищевой промышленности. За счет создания вакуума в контейнере для маринования или рассола снижается давление, что позволяет маринаду или рассолу более эффективно проникать в продукт. Вакуумное маринование и рассол помогают улучшить усвоение аромата, сократить время маринования, а также улучшить общий вкус и текстуру продукта.
8. Упаковка в контролируемой атмосфере: Вакуумные насосы используются в системах упаковки в контролируемой атмосфере (CAP) в пищевой промышленности. CAP подразумевает изменение газового состава внутри пищевой упаковки для продления срока хранения и сохранения качества скоропортящихся продуктов. Вакуумные насосы помогают удалить кислород или другие нежелательные газы из упаковки, позволяя ввести необходимую газовую смесь, которая сохраняет свежесть продуктов и препятствует росту микроорганизмов.
Это лишь несколько примеров использования вакуумных насосов в пищевой промышленности. Способность создавать и контролировать вакуум или среду низкого давления является ценным активом в сохранении качества продуктов, увеличении срока хранения и облегчении различных технологий обработки в пищевой промышленности.
editor by CX 2023-12-25
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