Vacuum distillation is a vacuum process often used in various chemical, pharmaceutical and petrochemical enterprises. At present, more and more enterprises fall in love with screw vacuum pumps in the process of selecting vacuum pumps for vacuum distillation, from chemical enterprises to various pharmaceutical enterprises. Recently, a well-known domestic pharmaceutical enterprise added another 18.5kw dry screw vacuum pump for vacuum distillation.
With the improvement of social quality requirements for various industries, product defects will be amplified and the tolerance will be lower and lower. This is especially true for pharmaceutical products. Therefore, in vacuum distillation, in order to improve the distillation efficiency and improve the quality of distillation products, more and more pharmaceutical enterprises no longer pay attention to the pumping speed and vacuum degree, but also pay attention to the improvement of product quality by clean vacuum in the process of vacuum pump selection.
The working range of dry screw vacuum pump is from atmospheric pressure to about 1pA extreme vacuum. It has a wide range of large pumping speed. A single pump with low vacuum can achieve high pumping speed. It has simple and reliable structure and convenient maintenance and operation. On the other hand, due to the inherent cleaning characteristics of screw vacuum pump, there is no need for other media to participate in the extraction process, and there is no need to worry about backflow polluting media. Moreover, it can be combined with roots to form a dry vacuum unit product with clean, high vacuum degree and large pumping speed. In food, fine chemicals, pharmaceutical semiconductors and other fields with strong demand for clean vacuum and various recycling fields, these characteristics can effectively improve the production efficiency of enterprises, greatly simplify the operation process and various supporting links of vacuum system, and improve the product quality. Therefore, they are favored by enterprises.
Oil free screw vacuum pump has become one of the most widely used vacuum pumps in the market. It is welcomed by the public because of its characteristics of no oil fume, light weight and no pollution. However, many people do not know how to maintain it. The following small series will give you a popular science about the maintenance of oil-free screw vacuum pump.
1. There shall be sufficient and good ventilation conditions and ambient temperature below 40 ℃.
2. Clean the workplace without dust and dirt.
3. Water, oil and other liquids will not fall on the pump.
4. Not directly exposed to the sun.
5. There is enough surrounding space to facilitate the inspection, maintenance, assembly and disassembly of the pump.
6. The pump must be installed on a flat surface.
7. Install the pump on a hard concrete foundation. If there is no equipment, it can be installed on a steel frame or wooden frame.
8. It must be able to ensure that the pump does not vibrate due to the weak economic foundation.
9. The pipeline connected with the pump should not be too long or smaller than the pump inlet diameter, which will affect the pumping speed. At the same time, it is necessary to pay attention to safety and check the vacuum connection and whether the pipeline has air leakage.
10. When wiring, pay attention to the wiring requirements on the motor nameplate. Pay attention to the rotation direction of the motor for the three-phase electric pump, which shall be consistent with the direction of the arrow on the pump.
The above is about the maintenance of oil-free screw vacuum pump. I believe you will understand it after reading it. You should pay attention to these situations in your daily work to avoid accidents.
Generally speaking, the water ring vacuum pump in normal operation will not have any problems, but this is not allowed. Sometimes, the pump in normal operation will suddenly stop running, and this situation is not caused for no reason. There are still many reasons:
1. The power failure may also be the reason why the water ring vacuum pump suddenly does not run. First check its power supply to see if it is powered off, eliminate the fault in time and restore the power supply.
2. The reason why the water ring vacuum pump suddenly does not run may be that the control protection switch of the vacuum pump trips. The main reason for the control protection switch tripping is that the vacuum pump is damaged during operation or due to overload of the vacuum pump motor. The treatment method for the sudden non rotation of the vacuum pump is to measure the insulation resistance of the vacuum pump motor first, and check whether the stator winding of the vacuum pump motor is damaged and whether other parts are damaged.
3. The broken core wire of the power supply cable of the water ring vacuum pump may also be the reason for the sudden non rotation of the vacuum pump. The treatment method for the sudden non rotation of the vacuum pump is to connect the broken core wire of the motor power supply cable and wrap it with insulating tape. If the connection repaired after the power supply cable is broken needs to be immersed in water, the cable shall be treated or replaced according to the waterproof connection and sealing requirements of the cable joint.
4. The action of the thermal protector of the water ring vacuum pump may also be the reason for the sudden non rotation of the vacuum pump: the main reason for the action of the thermal protector of the vacuum pump is the overload of the vacuum pump or the poor heat dissipation or dehydration operation of the vacuum pump motor; Or it is caused by malfunction of thermal protector. The treatment method is to check the cause of the action of the thermal protector and eliminate it, waiting for its automatic reset or repair and adjustment.
5. The stator winding of the water ring vacuum pump is burnt out, which may also be the cause of the sudden non rotation of the vacuum pump. If it is found that the stator winding of the vacuum pump is burnt out, first check the cause of the damage of the stator winding and eliminate the fault to prevent the motor stator winding from being damaged again; Then disassemble and repair the motor stator winding and replace the damaged stator winding as required.
7. There may also be the reason why the motor is burnt out due to water ingress caused by medium corrosion. The liquid is corrosive. It is recommended to use stainless steel.
Therefore, once the water ring vacuum pump used by everyone has such a situation, what to do is always careful and careful inspection. The inspection results determine which way we will choose to deal with it, so that we can continue to use the vacuum pump.
LGB220 Dry screw vacuum pump Used In Chemical plant In Thailand
In the process of expanding the development advantages of enterprise productivity, we should constantly improve the advantages of the actual performance of dry vacuum pump products and speed up its application effect. The overall driving force of its product application and practical ability is to continuously improve the overall development of its product strength, and improve the application efficiency of the equipment through comprehensive driving product advantages.
Therefore, its performance capability in all aspects is continuously improved, and its practical advantages are brought into full play, so as to enhance the embodiment of its product strength and further improve the comprehensive performance of its products
Improve product application and performance advantages. Give full play to the quality and strength of dry vacuum pump, accelerate the embodiment of its product performance and superior ability, and use advanced equipment to expand the development of enterprise productivity. Continuously display and expand the practicability and quality strength of products, improve their overall application value strength with efficient product utilization effect, so as to improve the superiority of product strength with reliable quality and effectiveness, and fully improve the quality strength of product use and sustainable development.
In order to speed up the development of enterprises and improve the performance of dry vacuum pumps, we should speed up the application and practice of products with various advantages. The improvement of performance advantage level promotes the overall improvement of enterprise quality and strength, and enhances the quality and performance of enterprises through reliable strength utilization.
Now, you can see that there are so many different designs of dry vacuum pumps, each with its own characteristics, advantages and disadvantages.
Application cost has always been an important factor affecting people's selection of vacuum pump. More and more vacuum pump users realize that the stability of vacuum pump should also be taken into account. Due to the accidental wrong solution of the vacuum pump, the application efficiency of the machine is reduced, which affects the production and delivery of wafers, and even the processing damage of wafer waste and other parts. Because the screw design adopts single-stage design, the number of parts used can be reduced by up to 60% compared with multi-stage pumps (such as ball joint, claw and combination). This is a great advantage for stability and future protection costs.
In general, if the user thinks that power consumption is very important to him, selecting an internal compression screw may be a good choice, and the nitrogen content is not important to him. However, in general, the requirements for tail gas treatment are becoming more and more stringent, so it is particularly important to reduce the amount of nitrogen used in the future. If you want to handle a wide range of semiconductor processes without changing them with a simple inventory control pump, external compression screws are a good choice.
Water Ring Vacuum Pumps Used In Vacuum Drying Of Vegetable And Fruit
In the process of expanding the development advantages of enterprise productivity, we should constantly improve the advantages of the actual performance of dry vacuum pump products and speed up its application effect. The overall driving force of its product application and practical ability is to continuously improve the overall development of its product strength, and improve the application efficiency of the equipment through comprehensive driving product advantages.
Therefore, its performance capability in all aspects is continuously improved, and its practical advantages are brought into full play, so as to enhance the embodiment of its product strength and further improve the comprehensive performance of its products
Improve product application and performance advantages. Give full play to the quality and strength of dry vacuum pump, accelerate the embodiment of its product performance and superior ability, and use advanced equipment to expand the development of enterprise productivity. Continuously display and expand the practicability and quality strength of products, improve their overall application value strength with efficient product utilization effect, so as to improve the superiority of product strength with reliable quality and effectiveness, and fully improve the quality strength of product use and sustainable development.
In order to speed up the development of enterprises and improve the performance of dry vacuum pumps, we should speed up the application and practice of products with various advantages. The improvement of performance advantage level promotes the overall improvement of enterprise quality and strength, and enhances the quality and performance of enterprises through reliable strength utilization.
Now, you can see that there are so many different designs of dry vacuum pumps, each with its own characteristics, advantages and disadvantages.
Application cost has always been an important factor affecting people's selection of vacuum pump. More and more vacuum pump users realize that the stability of vacuum pump should also be taken into account. Due to the accidental wrong solution of the vacuum pump, the application efficiency of the machine is reduced, which affects the production and delivery of wafers, and even the processing damage of wafer waste and other parts. Because the screw design adopts single-stage design, the number of parts used can be reduced by up to 60% compared with multi-stage pumps (such as ball joint, claw and combination). This is a great advantage for stability and future protection costs.
In general, if the user thinks that power consumption is very important to him, selecting an internal compression screw may be a good choice, and the nitrogen content is not important to him. However, in general, the requirements for tail gas treatment are becoming more and more stringent, so it is particularly important to reduce the amount of nitrogen used in the future. If you want to handle a wide range of semiconductor processes without changing them with a simple inventory control pump, external compression screws are a good choice.
Water Ring Vacuum Pumps Used In Vacuum Drying Of Vegetable And Fruit