Daily precautions for Roots blower of calcium carbonate

The special roots blower for calcium carbonate is widely used in various industries. The following is a brief introduction to the matters needing attention in the daily operation of the roots blower for calcium carbonate 

1. Open the vent valve before startup and shutdown of special roots blower for calcium carbonate to ensure the start and shutdown of Roots blower under no load condition. Pay attention to observe during the production process, the current should not exceed the rated current of the motor.

2. The roots blower is rinsed with water once every 12 hours. The water consumption of 40 m3 blower is 10 L and that of 60 m3 blower is increased appropriately. (flushing water, hot water is better) calcium carbonate roots blower

3. Adjust the V-belt tightness after 5-7 days operation of Roots blower. If the belt is too loose, the air volume will be insufficient, and the motor and fan are easy to be damaged).

4. The special roots blower for calcium carbonate should be replaced with new oil after running for one month, and then every three months. The oil injection amount is between the middle red dot and the upper edge of the oil indicator.   

5. The water-cooled roots blower must be equipped with circulating water, and the water temperature should not be higher than 25 degrees to ensure smooth water flow.

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Three leaf roots blower for sewage treatment

Roots blower is a necessary core equipment in sewage treatment process, which directly determines its effect and energy consumption. In the process of biological wastewater treatment, roots blower is mainly used to increase oxygen in the aeration tank, promote the growth of aerobic microorganisms, decompose suspended solids, dissolved organic matter, nitrogen and phosphorus and other nutrients in sewage through their metabolism, so as to achieve the purpose of sewage treatment, which is the core equipment of sewage treatment plant. The performance of the fans we use has the most direct impact on the quality and energy consumption of sewage we treat. 

Because roots blower belongs to constant flow fan, the main parameter of Roots blower working principle is air volume. The output pressure changes with the change of pipeline and load, and the change of air volume is very small.

Roots blower is a kind of high-pressure fan. Roots blower is a positive displacement fan. The delivered air volume is proportional to the number of revolutions, and the gas is transported from the suction side to the discharge side.


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Roots Blowers

Roots Vacuum Pump 

Price of series three leaf roots blower

For the series Roots blower, the manufacturer should adjust the belt of the fan to the appropriate tight state before the roots blower leaves the factory, so as to ensure the smooth operation of the fan. The loose belt will not only cause heat, but also fall off and damage. Too tight belt will also lead to belt heating, and will affect the fan linkage, loss in the process of power transmission, and the belt may even break in the process of operation. Therefore, whether it is too loose or too tight is not good. Therefore, fan manufacturers should strictly test all aspects of fan indicators when leaving the factory. 

The belt heating of Roots blower is even more serious in summer. Some customers pour water on the belt in order to cool down the fan belt. In fact, this method is wrong. Although it will lower the temperature of the belt, it will seriously affect the fit of the belt and pulley, reduce friction, and lead to insufficient power transmission and slipping. If the water flows into the fan, it will cause the internal impeller of the fan to rust, and even damage the Roots fan if it goes on for a long time.

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Rotary Vane Vacuum Pump

Dry Scroll Vacuum Pump

Dry screw vacuum pump for yarn steamer

The main purpose of the steaming machine is to combine the continuous silk thread with weaving conditions and stop the setting after twisting, that is to stabilize the twist under a certain pressure and temperature, and obtain balanced and non twisting silk thread. The operation process of yarn steaming machine is vacuum preheating humidification heat preservation constant temperature vacuum cooling ending. The dry screw vacuum pump for vacuum pumping is generally water ring type dry screw vacuum pump. The working pressure of the steaming machine is – 0.085-0.1mpa. The water ring type dry screw vacuum pump can extract a certain amount of condensable gas. 

The yarn steaming machine with dry screw vacuum pump can stop the uniform, accurate and mild steam treatment of yarn or fabric from low temperature to high temperature. The steam process is controlled by microcomputer, and the temperature is controlled to ± 0.5 ℃. It can ensure that the yarn steaming process can be reproduced accurately according to the budget process, avoid the generation of condensate water to the maximum extent, and make the yarn get uniform and mild steam treatment.

Therefore, it can be used in this process. How large the water ring type dry screw vacuum pump is used, the suitable dry screw vacuum pump can be selected according to the size of the yarn steaming machine and its own time request.

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Cooling system of vacuum pump unit

The influence of cooling system temperature on the function of vacuum pump unit. In summer, the closed water temperature can reach 35 ℃. Therefore, in practice, it is difficult to ensure that the sealing water of vacuum pump has a supercooling degree of 4.2 ℃. With the sealing water temperature close to full, its pumping ability is also declining, until full vaporization and loss of operational ability. 

The working pressure of the vacuum pump and the pressure of the condenser is a dynamic balance process. No matter whether the circulating water temperature is concave or convex, the suction pressure of the vacuum pump must be lower than that of the condenser before the non agglomerated gas in the condenser can be pumped out. Therefore, it is necessary for the seal water temperature of the vacuum pump to be lower than the fullness temperature corresponding to the exhaust pressure.

The vacuum of No.3 unit of a company is in a state of decline, which is due to the failure to change the water in the gas water separator in time, resulting in the vaporization of sealing water in the vacuum pump. The experiment was carried out on vacuum pump a of unit 2 on July 30. The temperature of separator was 16.2 ℃ after pump a participated in 16 ℃ cold water. The temperature rose to 24.5 ℃ after starting pump A. with the increase of temperature, the vacuum decreased. When the water temperature was 30 ℃, the vacuum went about 1kPa, and the vacuum pump current increased about 0.8 * *. When the working water temperature drops by 1 ℃, the vacuum travels about 0.19kpa. It can be seen from this experiment that it is an important way to ensure the vacuum of the vacuum unit to ensure the lower temperature of the sealing water of the vacuum pump in summer.

CL Sereis Cone Liquid Ring Vacuum Pump

Roots Blowers

Roots Vacuum Pump

Structure of air water separator for vacuum pump

The improvement of the structure of air water separator for vacuum pump. The water containing gas discharged from the vacuum pump directly enters the gas water separator along the tangent direction of the cylinder, which accelerates the wear of the inlet and inner wall of the gas water separator, reduces the service life of the gas water separator and increases the repair strength. 

In order to deal with this problem, the cylinder material of the gas water separator is changed from the original A3 steel to the glass fiber reinforced plastic material with excellent wear resistance and corrosion resistance, and the pipe spacing between the vacuum pump outlet and the air inlet of the gas water separator is extended to 3.9 m, and the pipe diameter is increased to 325 mm, and the wall thickness is 10 mm seamless steel pipe It reduces the indoor noise and improves the working environment. On the other hand, it can play a good buffer effect and reduce the scouring force of the air flow into the cylinder.

Secondly, the tangential inlet of the separator is changed into radial inlet, and a conical baffle is added at the end face of the radial inlet, which can not only reduce the wear of the inner wall of the cylinder caused by the radial inlet, but also play a buffer effect again. After all, the return water pipe at the bottom of the air separator is connected to the concrete trench, so that the backwater enters the circulating water system and is reused.

Vacuum Pump In Grain Industry Application

Rotary Vane Vacuum Pump

Dry Scroll Vacuum Pump

Corrosion resistant vacuum unit

When we use corrosion-resistant vacuum unit, we will add check valve. You may not know the reason. Next, Schindler vacuum pump will give you an analysis of why to add check valve to corrosion-resistant vacuum unit.

1. The main function of vacuum pump is to install check valve.

2. Protection system: at the moment of pump shutdown due to fault, the inlet and system connection of corrosion-resistant vacuum unit are in vacuum state, and the outlet is generally connected with the atmosphere. The pressure will bring water into the system and destroy the system vacuum. In order to protect the system, check valves are usually installed at the pump inlet and system connection.

3. In order to protect the pump body and other equipment, a check valve is usually installed at the outlet of the corrosion-resistant vacuum unit.

4. Now more and more corrosion-resistant vacuum units install the check valve at the outlet, which can protect the pump and system.

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