Modified gas filter suitable for instrument systems
A technology of gas filter and instrumentation system, which is applied in the direction of dispersed particle filtration, chemical instruments and methods, and separation of dispersed particles. It can solve the problems of high temperature resistance of the filter, and achieve enhanced filtering effect, good wear resistance, and good scalability. Effect
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[0021] Such as figure 1 As shown, an improved gas filter suitable for an instrument system of the present invention includes an inlet valve body 1, which is radially symmetrical with respect to the air flow direction, and the inlet valve body 1 and the outlet valve body 3 form a cavity. In the cavity, according to the direction of air flow, there are spring 5 and filter element 2 in sequence. One end of spring 5 is on the filter element 2, and the other end of spring 5 is on the inlet valve body 1. There is a vent inside the inlet valve body 1. The diameter of the vent is smaller than the diameter of the spring 5, the inlet valve body 1 and the outlet valve body 3 are squeezed against each other, and the hard sealing surface 4 is formed through interference fit, the minimum clearance of the hard sealing surface 4 is zero, and the filter element 2 is located on the outlet valve body 3 Inside, the spring 5 is in a compressed state and is made of rust-free steel material. The spr...
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