Food hygiene license (health supervision office), fire safety license (fire station), tax registration certificate (state administration of taxation and local taxation bureau), business license (administrative department for industry and commerce), environmental protection license (environmental protection department), health certificate, etc. The processing time depends on the local conditions, and the local industrial and commercial departments can be consulted for specific matters in different regions.

In terms of equipment, dry-melting vacuum tempering small equipment is generally used, which can generally process about 10 tons per day.

Animal oil refining process:

First, unpack and break the parts.

The raw materials are unpacked on the unpacking platform, and then transported by the conveyor to the crusher for crushing. The crushed particles are p2mm-5mm, and the crushed particles are uniform. Too large or too small will be slagged or burnt, which is not conducive to the separation of oil residue and affects the performance of oil press.

Second, preheat the conveying section

The raw materials are crushed, put into a preheating pot, heated, preheated, stirred and thawed with heat-conducting oil to achieve a solid-liquid mixed state suitable for vacuum transportation to meet the technological requirements of pipeline transportation. On the other hand, the preheating pot plays a role in the material balance of the whole production line.

Third, the negative pressure melting section

Vacuum convey that raw materials preheat in the preheating pot into a solid-liquid mixed state to a smelting pot, heating smelt cakes, and simultaneously starting a stirring device, so that the materials are evenly heated and do not stick to the pot. The process adopts horizontal vacuum oil pan with automatic cleaning device, which has large heating area and uniform stirring, effectively preventing raw materials or paste. Because the inherent water content of raw materials is large, vacuum dehydration begins after the melting temperature reaches 85 degrees, and the vacuum degree will decrease with the increase of steam volatilization, thus maintaining the vacuum degree in the melting pot during dehydration. Under vacuum, oil, water and slag can be quickly separated from animal oil raw materials entering the negative pressure reactor.

Fourthly, vacuum dehydration and deodorization section

The water jet vacuum jet pump is used to generate negative pressure in the melting pot, and a condenser is installed on the vacuum pipeline. Water molecules and odor small molecular volatiles in raw materials are quickly separated from raw oil under vacuum and flow into the tube bundle condenser with vacuum. Under the circulation of cold water, the separated water molecules and odor molecules are forced to condense into distilled water and collected in the separation tank.

Verb (abbreviation of verb) oil residue separation section

In this process, a sieve plate oil residue separation scraper is used, and the oil residue separation and drying time is about 20 minutes, which effectively separates the oil residue skin and is beneficial to the oil press. The automatic cleaning device solves the problems of sieve plate blockage and grease deterioration, and the separated oil residue is transported to the oil press for pressing.

Six, crude oil filtration section

The crude oil separated from the oil residue separator is pumped into the vertical vane filter by the oil residue pump for filtration. The use of this filter can effectively reduce the labor intensity of workers and ensure the stability of production. The separation efficiency of oil residue is high, and the impurity content in oil is below 0.65438 0%, which improves the oil refining rate and refined oil quality in the subsequent process. After air compression and vibration filtration, the separated oil residue is transported to an oil press by a scraper for pressing; Finally, it is filtered by a fine filter and enters a refined oil storage tank to obtain refined oil.