A high-strength heat-shock resistant push plate and its preparation method

Abstract

The invention discloses a high-strength heat-resistant shock-resistant push plate. The raw materials include the following components by weight: 20-30 parts of 3-0.5mm mullite particles, 15-20 parts of 1-0.5mm corundum particles, 0.5-0.1 mm quartz particles 10‑15 parts, 320 mesh andalusite fine powder 15‑20 parts, 220 mesh mullite fine powder 25‑30 parts, 2μm alumina fine powder 8‑12 parts, 320 mesh corundum fine powder 5‑10 parts, Silica powder 5‑15 parts, zircon 5‑10 parts, cerium oxide 0.5‑2 parts, aluminum fluoride 2‑10 parts, aluminum 5‑10 parts, silicon 10‑15 parts, white clay 10‑15 parts, plus 1‑3 parts of binder. The invention also discloses a preparation method of the high-strength heat-shock-resistant push plate. The product of the invention has good thermal shock resistance, high mechanical strength, simple preparation method and convenient practical operation.

Description

Technical field [0001] The invention relates to the technical field of push plates, in particular to a high-strength heat-resistant shock push plate and a preparation method thereof. Background technique [0002] With the gradual and in-depth implementation of national environmental protection and energy saving policies, a new type of energy-saving and environmentally-friendly push-slab kiln came into being, and the matching kiln furniture materials developed rapidly. In the process of product sintering, the product to be sintered needs to be directly or indirectly placed on the kiln push plate, and the product placed on the push plate is moved by the propulsion system according to the product process requirements, and the product is completed in the furnace. Because of the sintering process, the pusher plate is one of the important parts of the kiln. Its performance directly affects the service life of the kiln. If the pusher plate breaks, deforms or loses pieces during use, arc...

AI Technical Summary

Problems solved by technology

In the process of product sintering, it is necessary to place the product to be sintered directly or indirectly on the push plate used in the kiln, and the product placed on the push plate is moved by the propulsion system according to the technological requirements of the product, and the product is finished in the furnace. During the sintering process, the push plate is one of the important parts of the kiln, and its performance directly affects the service life of the kiln. If the push plate breaks, deforms or falls off during use, the arch kiln will occur. Accidents, that is, the channel is blocked by the push plate, and the push plate machine cannot be pushed. The consequences caused by this may range from stopping the kiln for repairs to repairing, or dismantling the kiln, causing serious losses to the user.

Since the working temperature of the kiln is between 1100°C and 1450°C, to complete the sintering of a product, the push plate for the kiln needs to undergo a process of room temperature-high temperature-room temperature, so that the cycle and relatively frequent thermal shock require The push plate for kiln has excellent thermal shock resistance, and the large load capacity of the push plate requires the push plate to have excellent mechanical strength. In practice, there is often a contradiction between the thermal shock resistance and strength of the push plate, and it is difficult to Simultaneously obtain two pushing plates with better properties

Images