Molecular sieve manufacturer talks about the production of molecular sieve raw powder

The original molecular sieve powder is the main raw material for the production of molecular sieve activated powder. The original molecular sieve powder has the skeleton characteristics of molecular sieve, but the pores are filled with a large number of water molecules, which cannot be used directly. After draining, it can be used to adsorb other molecules.

The production process of raw powder mainly includes five stages: sodium aluminate preparation, synthesis, aging and crystallization, mother liquor separation and washing, and dry packaging. The molecular sieve manufacturer will answer you in detail.

①Preparation of sodium aluminate: add a certain amount of liquid caustic soda or steam mother to the reaction kettle, stir and heat, add aluminum hydroxide after reaching the preparation temperature, and prepare an aluminum hydroxide solution at a certain temperature to prepare sodium aluminate. After the preparation is completed, a certain amount of mother liquor is added to adjust the concentration of the sodium aluminate solution to meet the raw material requirements for synthesizing the molecular sieve raw powder, and the secondary filtered sodium aluminate solution is used to synthesize the molecular sieve raw powder.

②Synthesis: There are 6 kinds of materials in the synthesis part, namely liquid caustic soda, sodium aluminate, mother liquor, soda ash, water and guiding agent. The 6 kinds of materials are added to the synthesis tank according to the production process ratio, and the reaction is stirred for about 1 hour.

③Aging and crystallization: After stirring, the slurry in the synthesis tank is pumped into the crystallization tank, and the steam is heated under stirring. The heating temperature and the aging and crystallization time are controlled according to the process requirements. After the stirring is completed, the material is discharged into the buffer tank, and the reaction is completed.

④ Mother liquor separation and washing: filter the slurry to achieve solid-liquid separation, collect the filtrate, wash and dehydrate by air pressure, stop air pressure when the amount of attached water reaches 30-32%, and the filter cake enters the filter cake turnover bin.

⑤Dry packaging: the dehydrated filter cake enters the filter cake.