Enamel Reactor Use Technology And Precautions
Enamel reactor is a kind of sealed reaction tank equipment, suitable for chemical processes such as reaction, polymerization, storage, heat exchange and other media or materials of various concentrations of organic acids, inorganic acids, organic solvents and weak bases. Therefore, the enamel reactor has high requirements for acid resistance, alkali resistance and corrosion resistance.
When the enamel reaction kettle is made, the steel plate needs to be pressed into a baffle that meets the requirements of the enamel reaction tank. The width of the baffle should be one-eighth to one-sixth of the enamel reaction tank. According to the size of the enamel reaction tank, it is folded into one or more layers, and then welded on the inner wall of the enamel reaction tank for enamel firing. The steel plate should be selected with a compact inner lattice structure and trace elements, because this can inhibit hydrogen absorption. The dry mix, welding rod and enamel for producing enamel reaction tank must be of high quality, and enamel frit with good corrosion resistance, excellent temperature difference resistance and low melting point should be selected.
In the enamel firing stage, the enamel reaction kettle adopts the firing process of "low temperature long firing" and "slow cooling after enamel firing". After three times of enameling, there are no pores, and the multiple enameling is only to increase the thickness of the porcelain layer, so that the enamel reaction kettle has the advantages of good corrosion resistance, friction resistance and collision resistance.
When enamelling the ground coat, the ground coat must be evenly sprayed on the enamel reaction kettle, and the ground coat should be dried after spraying. The drying methods can be natural drying and baking drying. When baking and drying, it should be dried slowly to prevent cracking of the enamel undercoat layer. When sintering the enamel-fired ground coat of the enamel reaction tank, the temperature is preferably controlled at 960-980°C. When sintering, you must master the time: if the time is insufficient, the adhesion will be poor; if the time is too long, the ground coat will be burned. If the firing is unqualified, the enamel reaction tank can be repaired. If the burn is serious, you can re-spray the ground coat, but it should not be too thick.