Water ring vacuum pump pipe layout considerations and add right amount water _

today to introduce some knowledge of the water ring vacuum pumps, including the cause of the piping layout considerations and add right amount water. Interested can read.

a, water ring vacuum pump with right amount water

water ring vacuum water pump into the water as the working fluid in the proper amount. When the impeller rotates clockwise, water thrown around by the impeller, the centrifugal force, a closed ring shape, through the thickness of the water pump chamber is akin to determine water, etc. The bottom of the inner surface of the water ring with wheels, just contact surface ( In fact, the leaves in the water ring insert certain depth) And the water of the upper part of the blade tip is just tangent ring. At this point, the impeller wheel, to form a crescent-shaped space between the ring and water, and this space is divided into equal to the number of impeller blades and several small chamber.

if the bottom of the impeller 0 ° as the starting point, turn on the volume of water ring vacuum pump impeller was growing up in the small room in the front of the 180 °, and end connected with air inlet, air inhaled at this time, when the separation from the small chamber and inlet suction end; When the rotation of the impeller to continue from big to small, small room, water ring vacuum pump, makes the gas is compressed; When the small room and vent connected, the gas discharge pump outside.

second, the design of water ring vacuum pump pipe structure considering

1, the water ring vacuum pumps and pressure pipe fittings can withstand discharge should be considered.

2, water ring vacuum water pump of the straight pipe, the pipe should be arranged to minimize the length of the pipe fittings and minimize the pipeline, you must will bend when conducting the bending radius should be three to five times the diameter of the tube, so that the Angle may be greater than 90 ℃.

3, reasonable choose water ring type pipe diameter, large diameter pipe, at the same velocity, the velocity is small, small resistance loss, but the price is high, volume small diameter pipe, cause the resistance loss has increased dramatically, so the selected pump lift increases, with power increasing, the operating costs also will increase. Therefore, from a technical and economic Angle, should be considered.

4, the discharge side of the water ring vacuum pump must be installed a valve ( Ball valve or cut-off valve, etc. ) And check valve. A kind of used to adjust the working point of the pump valve, check valve to prevent fluid backflow when the pump is reversed, and described the pump, in order to avoid water hammer blow. ( When the liquid flow, will produce a great back pressure to pump damage)

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