Multi-functional dryer for purifying, filtering, washing and drying synthetic fragrances

aroma chemicals, also known as synthetic fragrances, are fragrances extracted from essential oils by physical or chemical methods, such as eugenol obtained from clove oil. Flavors obtained by chemically altering the structure of certain natural components are called semi-synthetic flavors, such as pinene alcohol produced from pinene in turpentine. Fully synthetic fragrances are synthesized from basic chemical raw materials (such as linalool synthesized from acetylene, acetone, etc.).

There are already over 5,000 types of synthetic fragrances in the world, among which more than 400 are commonly used products. The synthetic fragrance industry has become an important part of fine organic chemical engineering.Synthetic fragrances, such as according to their chemical structure or functional groups to distinguish, there are hydrocarbons, alcohols, acids, esters, lactone, aldehydes, ketones, phenols, ethers, acetal, ketal, tractoryl, eyes, macrocyclic, polycyclic, heterocyclic (pyridine, pyridine, furfuryl thiazole, etc.), sulfides, halides, etc.

There are currently refined and purified production processes for synthetic fragrances

The current refining and purification production process equipment for synthetic fragrances includes heat exchangers, feeding pumps for pumping ethanol solvents, dissolving tanks, filters, storage tanks, centrifuges, double-cone dryers, and circulation tanks. The heat exchanger can cool the volatile ethanol and reduce solvent loss. The air inlet can pump in high-pressure gas to squeeze out all the liquid in the dissolution tank below, reducing the residue of the solution. Steam pipes can maintain the temperature of the dissolution tank and increase the dissolution speed. The circulation pool realizes the circulation of the heating medium and improves the utilization rate of water resources. The pressure relief valve can control the flow rate of the heating medium inside the double-cone dryer, thereby controlling the temperature of the dryer.

Crystallization, filtration, multiple washing and filtration, drying and other unit operations are operated independently by unit equipment such as crystallization tanks, filter presses or centrifugal filters, washing tanks and dryers. Multiple unit devices are connected into a long process large device. Materials are conveyed between the devices through pipelines or other means. Each unit operation corresponds to the corresponding unit equipment, and the equipment has a high degree of dispersion. Leakage at the connection points of the equipment causes material and environmental pollution.

A new process for refining and purifying synthetic fragrances through low-temperature production using a multi-functional filtration, washing and drying machine

The multi-functional filtration, washing and drying machine integrates the operations of a crystallization tank, a centrifuge and a low-temperature distillation kettle. The equipment is connected with a feeding port, and a cooling tube is embedded and connected at the top. The end of the cooling tube is nested and connected to the crystallization tank. The middle part of the surface of the cooling tube is nested and connected to a cooling ring. The right side of the middle part inside is fixedly connected to a crystallization tube. The cooling ring enables the liquid to carry out the next purification work more quickly. The cooling ring effectively improves the purification efficiency of the multi-functional filtration and washing machine and has a broad development prospect.

Technical features of the multi-functional drying machine for purifying, filtering, washing and drying synthetic fragrances

(1) Closed operation, with multiple process procedures completed within the same equipment, reduces the impact of dust and microorganisms on material quality, minimizes the loss of valuable materials, and thereby enhances product quality and output.

(2) Reduce the material conveying links, especially the conveying of filter cakes, shorten the production cycle and enhance production capacity.

(3) Filtration and washing operations can be carried out under vacuum or pressure, and the process operation is flexible and easy to control.

(4) For the handling of flammable, explosive, toxic or highly toxic dangerous goods, reduce environmental pollution, improve the working environment and ensure operational safety.

(5) Short processes, reduced equipment, less factory space, and lower engineering investment.

The multi-functional filtration, washing and drying machine designed and developed by Wuxi Sungrui integrates multiple unit operations in the refining and purification process of synthetic fragrances into one device. This equipment can successively complete the entire process of filtration, washing, drying and solid unloading in a closed environment, avoiding the loss and contamination of products during the transfer process. It is highly suitable for the production of small batches of special chemicals such as synthetic fragrances and artificial flavors.