Tertiary air duct high temperature wear-resistant valve plate

Abstract

The invention relates to a tertiary air pipe high-temperature wearable valve plate. The tertiary air pipe high-temperature wearable valve plate comprises a valve plate body and a heat-resistant rebar frame, wherein a plurality of palladium nails are welded onto the heat-resistant rebar frame; the number of the palladium nails is gradually increased from the rear end to the front end of the valve plate body; the directions of the palladium nails are different; at least two bumps are arranged at the top end of the valve plate body; a reinforcing frame is arranged in each bump; at least one lifting hole which is convenient for lifting the valve plate body is formed in each reinforcing frame. The tertiary air pipe high-temperature wearable valve plate has the advantages that due to the fact that the palladium nails are arranged on the heat-resistant rebar frame, and the number of the palladium nails is gradually increased from the rear end to the front end of the valve plate body, relatively high integrity of the valve plate body is guaranteed, the wearability and the mechanical impact resistance are high, the stripping resistance and the cracking resistance are excellent, the service life is long, the construction is convenient to perform, the valve plate is safe and reliable, and the construction period is greatly shortened; the bumps are lower in production cost than a lifting lug and the stability is high; due to the fact that the reinforcing frame consists of a cross rib, a vertical rib and a sleeve ring, the structure is simple and the production is convenient to perform.

Description

technical field [0001] The invention relates to a high-temperature wear-resistant valve plate of a tertiary air duct. Background technique [0002] The valve plate of the tertiary air duct is an important equipment in the pouring system of the cement plant. It is mainly used to control the balance between the air volume in the kiln and the air volume in the furnace. Alkali harmful components, dust gas erosion and wear, according to the thermal process characteristics of dry cement kiln, the valve plate of the tertiary air duct is generally made of heat-resistant steel external thickening castable, so there are valve plate castables in the actual use process It is easy to peel off, and the exposed parts are all oxidized and burned, which makes it lose the balance between the air volume in the kiln and the air volume in the furnace, and has a great negative impact on the stability of the entire system. Therefore, the actual situation of the current tertiary air duct valve pla...

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Problems solved by technology

[0002] The valve plate of the tertiary air duct is an important equipment in the pouring system of the cement plant. It is mainly used to control the balance between the air volume in the kiln and the air volume in the furnace. Alkali harmful components, dust gas erosion and wear, according to the thermal process characteristics of dry cement kiln, the valve plate of the tertiary air duct is generally made of heat-resistant steel external thickening castable, so there are valve plate castables in the actual use process It is easy to peel off, and the exposed parts are all oxidized and burned, which makes it lose the balance between the air volume in the kiln and the air volume in the furnace, and has a great negative impact on the stability of the entire system.

Therefore, the actual situation of the current tertiary air duct valve plate has short life, many maintenance, and affects the operating rate, etc., urgently needs to be improved. When lifting, it is lifted by the lifting lug fixed on the valve plate, which has high production cost and inconvenient installation of the lifting lug. and other shortcomings

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