2BV2061 water ring vacuum pump

2bv2061 water ring vacuum pump is an international leading vacuum pump developed independently by Siemens technology. The water ring vacuum pump (referred to as water ring pump) is a kind of crude vacuum pump. The ultimate vacuum it can obtain is 2000 ~ 4000Pa. It is widely used in various industries such as electronics, battery chemical industry, plastic glue, paper making, packaging and printing, line plate pressing, CNC machining center, etc., from cast iron to All kinds of stainless steel materials. 2bv2061 water ring vacuum pump is used in many industrial processes. Because the gas compression in the water ring vacuum pump is isothermal, it can pump out flammable and explosive gas, and also can pump out the gas containing dust and water. Therefore, the application of 2bv2061 water ring vacuum pump is increasing day by day.

2bv2061 water ring vacuum pump working principle

When the impeller of the water ring vacuum pump rotates against the market principle, the water is thrown around by the impeller. Due to the centrifugal force, the water forms a closed ring of approximately equal thickness, which is determined by the shape of the pump cavity. The inner surface of the lower part of the water ring is just tangent to the impeller box, and the inner surface of the upper part of the water ring is just in contact with the top of the blade (in fact, the blade has a certain insertion depth in the water ring). At this time, a crescent space is formed between the impeller shell and the inner interface of the water ring, and this space is divided into several small cavities equal to the number of blades by the impeller blades of the 2BV water ring vacuum pump. If the lower 0 ℃ of the impeller of 2BV water ring vacuum pump is taken as the starting point, the volume of the small cavity will be increased from small to large and connected with the suction port on the end face when the impeller rotates 180 ℃, at this time, the gas will be inhaled, and the small cavity will be isolated from the suction port when the suction is finished. When the impeller continues to rotate, the small cavity will be reduced from large to small, so that the gas will be compressed. When the small cavity is connected with the exhaust port, the gas will be changed. Discharge out of 2BV water ring vacuum pump.

2bv2061 water ring vacuum pump is a variable volume vacuum pump, which can achieve suction, compression and exhaust by changing the volume of the pump chamber.

2bv2061 water ring vacuum pump main features

1. 2BV water ring vacuum pump is designed with coaxial direct connection, saving space and easy to install.

2. 2BV water ring vacuum pumps are all equipped with imported mechanical seals as standard.

3. All 2BV water ring vacuum pumps are equipped with cavitation protection pipe interface. If they work under the limit pressure, opening the cavitation protection pipe interface (or connecting with the separator) can eliminate the cavitation sound under the condition of ensuring the maximum suction effect, and protect the 2BV water ring vacuum pump.

4. The aluminum bronze impeller has high strength and durability, and improves the corrosion resistance of 2BV water ring vacuum pump. If the flow passage parts are made of stainless steel, they can work in more severe environment.

5. The unique design of flexible exhaust port will not produce over compression, which ensures the best efficiency of 2BV water ring vacuum pump within its performance range.

6. Y2 series motors are adopted, with protection grade of IP54 and IP55 (IP44 generally).

7. Imported NTN or NSK Bearings are used for 2BV water ring vacuum pump.

2bv2061-water-ring-vacuum-pump

Precautions and methods for installation and operation of 2bv2061 water ring vacuum pump

1. 2bv2061 water ring vacuum pump installation :

During the installation of water ring vacuum pump and compressor, the installation surface must be horizontal and firmly installed with bolts through the holes at the bottom corner. In order to prevent welding slag from entering the vacuum pump during installation, a filter screen shall be installed on the suction pipe during installation.

2. Installation of air water separator of 2bv2061 water ring vacuum pump

The air water separator of the water ring vacuum pump can be directly installed on the exhaust port of the water ring vacuum pump and fixed firmly with bolts. The gas-water separator has a pipeline connected with the pump, which supplies the working water demand of the water ring vacuum pump. The rest of the working water is supplied by the water supply pipe, and the water supply volume is adjusted by the valve on the pipeline.

A check valve shall be installed on the intake pipe of the water ring vacuum pump or compressor to prevent the water in the vacuum pump or compressor from returning to the system under the pressure of the exhaust pipe during shutdown.

3. 2bv2061 water ring vacuum pump starts

Before the water ring vacuum pump stops for a long time, it must be turned several times by hand to confirm that there is no jamming or other damage in the water ring vacuum pump.

The water ring vacuum pump is started in the following order (see Figure 5)

(1) open the exhaust pipe valve.

(2) start the motor (pay attention to the positive and negative rotation of the motor)

(3) quickly open the water supply pipe 2 in Figure 5. Gradually increase the water supply until the water supply meets the specified requirements (pay attention not to run the vacuum pump dry).

4. 2bv2061 water ring vacuum pump shutdown

Stop the water ring vacuum pump in the following order:

(1) (if there is a valve in the air inlet pipe) close the valve on the air inlet pipe.

(2) close the water supply pipe 2 and shut down the vacuum pump quickly.

(3) after shutdown, the water in the pump cavity shall be drained to prevent the blade and pump shaft from breaking when starting again.

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