JPS61132056U - - Google Patents

Description

[Brief explanation of the drawing]

1 and 2 are enlarged cross-sectional views of essential parts of a backflow prevention device according to an embodiment of the present invention, and A--A in FIG.
A sectional view, FIG. 3 is a schematic sectional view of a moisture separator equipped with the backflow prevention device shown in FIG. 1, and FIG. 4 is a sectional view of a conventional moisture separator. 1: shell body, 2: partition wall, 2a: through hole, 3: centrifugal separation chamber, 4: drain collection chamber, 5: inlet pipe, 6: outlet pipe, 7: drain pipe, 8: casing, 9: valve seat, 10: Guide rod, 12: Valve body.

Claims (1)

[Scope of utility model registration request] An inlet pipe that has a cylindrical shell body with a funnel-shaped partition wall provided with a through hole as a boundary, has a centrifugal separation chamber in the upper part, and a drain collection chamber in the lower part, and allows gas containing moisture to flow into the centrifugal separation chamber. is provided so that the gas can rotate in a direction perpendicular to the vertical axis of the shell, and an outlet pipe for taking out the gas from which moisture has been removed is provided concentrically with the axis of the shell and penetrating the shell; A backflow prevention device for a moisture separator is provided with a drain pipe for draining drain water in the drain collecting chamber, which is connected to a lower part of the through hole to communicate the centrifugal separation chamber and the drain collecting chamber to drain water. a casing arranged in a gathering room; a valve seat attached to the casing and communicating with the through hole;
A moisture absorbent comprising a valve body that is movable up and down guided by a guide rod provided upright in the casing, and the valve body is brought into pressure contact with the valve seat by re-evaporation of condensate. Separator backflow prevention device.