Chinese medicine extract spray dryer

Chinese herbal medicine extract refers to the preparation made from Chinese herbal medicines by leaching out the active ingredients with suitable solvents, evaporating some or all of the solvents, and adjusting the concentration to the prescribed standard.It is an intermediate product of Chinese medicinal preparations and an important raw material for many proprietary Chinese medicines.For example, in the preparation of tablets, capsules, pills and other dosage forms of some Chinese medicines, the preparation of extracts is often done first.Growing consumer demand for natural, green and healthy health products, Chinese herbal extracts are derived from natural Chinese medicinal herbs and retain a variety of active ingredients and health functions in the herbs.For example, honeysuckle infusion has the efficacy of clearing heat and detoxification, which is widely used in the field of health care products and has a promising market prospect.Chinese medicine extracts can also be used as food additives, not only to provide a unique flavor, but also have certain health functions.For example, licorice extract has a long-lasting sweet flavor and is low in calories, so it can be used in the production of candies, beverages, and pastries.With the pursuit of healthy food by consumers, the demand for its application in the food and beverage industry will continue to expand.

Chinese medicine extract spray dryer Main structure

Chinese medicine extract spray dryer has a wide range of applications in the field of traditional Chinese medicine pharmaceuticals.It is mainly used for drying Chinese herbal medicine into powder or granule, so as to facilitate the subsequent preparation process, such as tablets, capsules and granules.In addition, it can also be applied to the production process of traditional Chinese medicine health products, traditional Chinese medicine extracts, etc., to improve the quality and stability of the products and extend the shelf life of the products.

(1) Hot air system: provide hot air for the drying process, generally including air filters, heaters and other components. Air filter for filtering impurities in the air to ensure that the air into the drying tower of clean air heater will be the air heated to the required temperature to meet the drying requirements.

(2) atomization system: is one of the key components, common centrifugal atomizer and pressure atomization nozzle.The centrifugal atomizer generates centrifugal force by rotating at high speed, which disperses the herbal infusion into mist droplets: the pressure atomizing nozzle relies on the pressure provided by the high-pressure pump, so that the infusion is sprayed out of the nozzle to form a mist.

(3) Drying tower: It is the place for heat and mass exchange between Chinese medicine dip and hot air, usually a round cinnamon tower.The tower body has a cold air jacket, which can prevent the material from sticking to the wall and coking; the wall of the tower may also be equipped with an automatic vibration device, which helps the material to fall and prevents sticking to the wall.

(4) Material collection system: dry collection of Chinese medicine extract powder, generally using two-stage cyclone dust collector or a combination of cyclone dust collector and wet dust collector, to improve the rate of powder collection, and to achieve the finished product of clean continuous airtight transportation.

(5) Exhaust gas treatment system: it is used to deal with the exhaust gas produced in the drying process, including dust removal, dehumidification and other links, in order to reduce the pollution of the environment. Common waste gas treatment equipment include cyclone dust collector, wet dust collector and so on.

(6) Control system: realize the automatic control of the drying process, including temperature, pressure, flow and other parameters of monitoring and adjustment. Through the control system, can ensure the stability of the drying process and product quality consistency.

Chinese medicine extract spray dryer Performance characteristics

(1) High drying efficiency

Rapid drying: the Chinese medicine dip is dispersed into tiny droplets by the atomizer, which is in full contact with the hot air, and the surface area is greatly increased.In a very short time can evaporate a large amount of water, generally only a few seconds to complete the drying process, greatly improving the production efficiency, especially for heat-sensitive materials drying, can effectively retain the active ingredients in the traditional Chinese medicine dip.

Continuous production:It can realize continuous feeding and discharging, uninterrupted drying operation, with strong production capacity, which can meet the demand of large-scale production and improve the continuity and stability of production.

(2) Wide material adaptability

A variety of material forms: raw material liquid can be a solution, slurry, emulsion, suspension, paste or melt, or even filter cake and other forms, can be processed through the spray dryer, the different forms and properties of traditional Chinese medicine extracts have good adaptability.

Different viscous materials: for the viscous characteristics of Chinese medicine extract, through special design and technical improvement, such as optimizing the structure of the atomizer, adjusting the drying process parameters, etc., it can effectively solve the drying problems of high viscous materials to ensure that the materials are smoothly atomized and dried, and get the products with stable quality.

(3) Good product quality

Maintaining the activity of the ingredients: Due to the rapid drying process and short residence time of the material in the high temperature environment, it can maximize the retention of the active ingredients and bioactive substances in the Chinese medicine infusion to ensure the medicinal value and quality of the product.

Good product uniformity: the atomized droplets are uniformly dispersed and dried in the hot air, which makes the final dried product have good uniformity, fluidity and solubility, narrow particle size distribution, regular particle morphology, high product purity, stable and reliable quality.

Avoiding deterioration and coking: The tower is equipped with jacketed cold air cooling device and specially designed hot air distributor, which can prevent the material from softening, melting or even coking and deteriorating due to the high local temperature on the wall of the tower, and ensure the quality of the product.

(4) Effective in preventing wall sticking

Cold air jacket and cooling device: the tower body is equipped with cold air jacket, which can effectively reduce the temperature of the tower wall, to avoid material sticking to the wall due to high temperature.At the same time, some dryers also use refrigeration dehumidification air cooling receiving device, so that the material quickly leave the high-temperature zone and cooling, and further to prevent the material in the cyclone separator and other parts of the high temperature due to the residence time is too long and appeared to be softened agglomeration, sticking to the wall and other issues.

Air wall-sweeping and shock device: by setting up air wall-sweeping device in the tower body or installing air shocker on the cone, the powder adsorbed on the cylinder will be knocked down by compressed air pulsation, which can effectively solve the problem of high sugar content, high temperature and easy to be softened and sticking to the wall of the traditional Chinese medicine extract materials, and ensure the normal operation of the production.

(5) High degree of automation

PLC control system: PLC program control system circuit, equipped with touch screen animation display process flow, simple and intuitive, with operability.Through this system, it can realize precise control and real-time monitoring of parameters such as inlet air temperature, outlet air temperature, tower pressure, etc., and the variable operating parameters can realize automatic tracking and adjustment by fuzzy technology to ensure the stability of the drying process and the consistency of product quality.

Frequency conversion speed control atomizer: the use of frequency converter stable and safe adjustment of the rotational speed of the atomizer, according to the nature of different materials and drying requirements, precise adjustment of the atomization effect, to ensure that the material can be uniformly atomized into tiny droplets, improve drying efficiency and product quality.

(6) Easy to clean and sterilize

Quick-open cleaning holes and sewage holes: The tower and pipeline are equipped with quick-open cleaning holes and sewage holes, which are convenient to thoroughly clean the inside of the equipment at the end of the production process, preventing material residues and cross-contamination, and meeting the hygienic requirements of pharmaceutical production.

Good equipment sealing: equipment and material contact with the transmission parts of the use of good sealing measures, the use of sealed butterfly valve operation at the discharge, induced air out of the material pipe section using a live connection, etc., these designs not only prevent air leakage, but also facilitates the dismantling of the equipment, cleaning, disinfection and sterilization process, to ensure that the equipment is clean and sanitary.

(7) Strong environmental performance

Air purification system: equipped with middle, middle and high three-level air filtration device, so that the air into the drying system to reach 100,000 purification standards, effectively removing impurities and microorganisms in the air, not only to ensure the quality of the product, but also to reduce the pollution of the environment.

Exhaust gas treatment: treat the exhaust gas produced in the drying process, reduce dust emission, reduce pollution to the environment, make the production process more environmentally friendly, in line with the relevant environmental protection requirements.