Flushing device for mechanical seal of centrifugal pump
A technology of mechanical seals and flushing devices, which is applied to mechanical equipment, parts of pumping devices for elastic fluids, pumps, etc., can solve the problems of mechanical seal residue, accumulation of impurities, and aggravated mechanical seals, so as to improve the sealing effect, The effect of preventing the deposition of particulate impurities and ensuring normal and stable operation
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[0041] Example 1
[0042] See figure 1 , A centrifugal pump mechanical seal flushing device, comprising a flushing pipe 1 connected to the centrifugal pump, the inlet end of the flushing pipe 1 is connected with the outlet end 2 of the centrifugal pump, and the outlet end of the flushing pipe 1 is connected to the mechanical seal of the centrifugal pump 3 connection, the flushing pipe 1 is connected with a tubular filter 4, a pressure gauge 5 and a throttle orifice plate 6, the tubular filter 4 is close to the outlet end 2 of the centrifugal pump, and the throttle orifice plate 6 is close to The mechanical seal 3 of the centrifugal pump, the flushing pipe 1 is provided with a first shut-off valve 7 and a second shut-off valve 8, the first shut-off valve 7 is located between the outlet end 2 of the centrifugal pump and the tubular filter 4, The second stop valve 8 is located between the pressure gauge 5 and the orifice plate 6.
[0043] This embodiment is the most basic implementat...
Example Embodiment
[0044] Example 2
[0045] See figure 2 , A centrifugal pump mechanical seal flushing device, comprising a flushing pipe 1 connected to the centrifugal pump, the inlet end of the flushing pipe 1 is connected with the outlet end 2 of the centrifugal pump, and the outlet end of the flushing pipe 1 is connected to the mechanical seal of the centrifugal pump 3 connection, the flushing pipe 1 is connected with a tubular filter 4, a pressure gauge 5 and a throttle orifice plate 6, the tubular filter 4 is close to the outlet end 2 of the centrifugal pump, and the throttle orifice plate 6 is close to The mechanical seal 3 of the centrifugal pump, the flushing pipe 1 is provided with a first shut-off valve 7 and a second shut-off valve 8, the first shut-off valve 7 is located between the outlet end 2 of the centrifugal pump and the tubular filter 4, The second stop valve 8 is located between the pressure gauge 5 and the orifice plate 6.
[0046] It also includes a suspension separator 9, o...
Example Embodiment
[0049] Example 3
[0050] See image 3 , A centrifugal pump mechanical seal flushing device, comprising a flushing pipe 1 connected to the centrifugal pump, the inlet end of the flushing pipe 1 is connected with the outlet end 2 of the centrifugal pump, and the outlet end of the flushing pipe 1 is connected to the mechanical seal of the centrifugal pump 3 connection, the flushing pipe 1 is connected with a tubular filter 4, a pressure gauge 5 and a throttle orifice plate 6, the tubular filter 4 is close to the outlet end 2 of the centrifugal pump, and the throttle orifice plate 6 is close to The mechanical seal 3 of the centrifugal pump, the flushing pipe 1 is provided with a first shut-off valve 7 and a second shut-off valve 8, the first shut-off valve 7 is located between the outlet end 2 of the centrifugal pump and the tubular filter 4, The second stop valve 8 is located between the pressure gauge 5 and the orifice plate 6.
[0051] It also includes a suspension separator 9, on...
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