Anti-oxidation charging method for isostatic pressing graphite roasting process

Abstract

The invention belongs to the technical field of graphite production, and particularly relates to an isostatic pressing graphite roasting procedure anti-oxidation charging method which comprises the following steps: S1, early-stage preparation: preparing a filler and a crucible; S2, furnace charging and charging: firstly charging a crucible, and then charging a product into the crucible; S3, covering the top of the crucible: laying the filler prepared in S1 on a first layer; laying steel plates on a second layer; laying steel bricks on a third layer; and spreading steel bricks on a fourth layer. According to the invention, the product can be effectively prevented from being oxidized in the roasting process, so that the roasting yield is improved, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of graphite production, and in particular relates to an anti-oxidation furnace loading method in the isostatic graphite roasting process. Background technique [0002] The roasting of the isostatic pressed product is a relatively long process. Since the powder of the isostatic pressed product is 20-6um finer, while the ordinary medium-coarse product is 0.5-2mm, the finer the powder, the greater the stress. Isostatic pressing is cold material forming, while medium and coarse products are hot pressing forming, then the asphalt used as a binder has fluidity when hot, but becomes solid directly when cold, without fluidity, the bonding effect is also ineffective. The hot pressing is good, and the difference in the molding method makes the isostatic graphite product fragile. Therefore, it takes a long time for the carbonization of the isostatic pressing molded products to be carbonized at a low speed; according t...

AI Technical Summary

Problems solved by technology

Therefore, it takes a long time for the carbonization of the isostatic pressing molded products to be carbonized at a low speed; according to the different product specifications, the roasting time is also different. Generally, the hot pressing molding roasting time is 450-600h, and The static pressure product is 900-1200h, so the problem is that long-term high-temperature roasting will gradually oxidize the roof filler. After the roof filler is completely oxidized, the product will also be oxidized, resulting in waste products.

[0003]It takes 8 months for a piece of isostatic pressing product from molding to finished product, so it is a pity to waste the product due to oxidation, and some slight oxidation is in the It cannot be reflected in one roasting, then the initial oxidation will be reflected after entering the next process, resulting in the waste of multiple processes