Sealing structure used for eight-way valve of regenerative heat exchanger

Abstract

The invention discloses a sealing structure used for an eight-way valve of a regenerative heat exchanger. The sealing structure comprises a rotating shaft, and is characterized in that the upper end and the lower end of the rotating shaft are each provided with a valve cover; a valve body is arranged between the two valve covers; the valve covers and the valve body are arranged perpendicularly; the rear sides of the valve body and the valve covers are perpendicularly provided with a baffle; a first sealing strip is arranged at the joint of each valve cover and the baffle; a second sealing strip is arranged at the joint of the valve body and the baffle; the first sealing strips and the second sealing strip are each provided with an angular pressing plate; the angular pressing plates make the first sealing strips and the second sealing strip fixed onto the baffle through a plurality of bolts uniformly arranged; a plurality of first permanent magnets are arranged in each first sealing strip; and a plurality of second permanent magnets are arranged in the second sealing strip. Compared with the prior art, the sealing structure effectively solves the problem that the sealing effect decreases progressively due to deformation and abrasion after long-term use, improves the airtightness and the reliability of the eight-way valve, and has a wide application range.

Description

Technical field [0001] The invention relates to the field of eight-way valve sealing, in particular to a sealing structure for an eight-way valve of a heat storage heat exchanger. Background technique [0002] The periodic reversing regenerative heat exchanger includes a pair of heat storage bodies and a set of multi-way reversing valves. The multi-way reversing valves perform high-frequency periodic motion to switch between cold and hot runners to realize heat exchange. However, due to the reserved movement clearance, assembly error, component wear and thermal expansion caused by continuous high-frequency movement, the sealing and reliability of the reversing valve are reduced, resulting in reduced heat exchanger performance and shortened service life. . Summary of the invention [0003] In order to solve the shortcomings of the prior art, the purpose of the present invention is to provide a new type of eight-way valve for regenerative heat exchange leakage caused by assembly er...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide a new type of eight-way valve for regenerative heat exchange that solves the leakage problem caused by assembly errors, component wear and thermal expansion caused by the continuous rotation of the rotating parts. The sealing structure of the eight-way valve

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