Discharge valve and reactor

Abstract

The invention discloses a baiting valve and a reactor. The baiting valve comprises a valve body (1), an end cover (2), a sealing cover (4) and a valve rod (5). The first end of the valve body is provided with a feeding inlet (6), and the end cover is arranged at the second end of the valve body. The inner end of the valve rod is located in the valve body and connected with the sealing cover. The outer end of the valve rod penetrates through the end cover and extends outwards. The sealing cover faces the feeding inlet and forms a protruding part (41) protruding towards the feeding inlet. Under the pushing of the valve rod, the feeding inlet is blocked by the sealing cover, and the protruding part is inserted into the feeding inlet and pushes materials in the feeding inlet outwards. Before the sealing cover and a valve seat are matched to block the feeding inlet, the protruding part pushes the materials in the feeding inlet outwards, so that the problem that the materials are blocked by a sealing surface is avoided through the baiting valve, and the leakproofness of the baiting valve is improved.

Description

technical field [0001] The invention relates to a control valve for material discharge, in particular to a discharge valve and a reactor. Background technique [0002] The discharge valve is mainly used for bottom discharge of reactors, storage tanks and other containers. By means of the bottom flange of the valve, it is welded to the bottom of storage tanks and other containers, thus eliminating the residual phenomenon of process medium usually at the outlet of the container. [0003] In the continuous reforming catalyst production process, the shape of the catalyst is an alumina pellet with a diameter of Φ1.2mm. The production process needs to go through processes such as roasting and activation. The material temperature reaches about 550 ° C ~ 600 ° C, and the reactor pressure is about 3Kg / cm 2 , If the valve at the bottom of the reactor uses a high-temperature ball valve, it is expensive, and the valve has high-temperature deformation and leakage; if an ordinary high-tem...

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Problems solved by technology

[0003] In the continuous reforming catalyst production process, the shape of the catalyst is an alumina pellet with a diameter of Φ1.2mm. The production process needs to go through processes such as roasting and activation. The material temperature reaches about 550 ° C ~ 600 ° C, and the reactor pressure is about 3Kg / cm 2 , if the valve at the bottom of the reactor uses a high-temperature ball valve, the price is expensive, and the valve has high-temperature deformation and leakage; if an ordinary high-temperature discharge valve or a stop valve, and a high-temperature gate valve are used, there will be ball jamming on the sealing surface

The service life of the above valves is often less than one month

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