First, naturally dry
Natural drying refers to drying the cut pieces in the sun or in a cool, ventilated place. In the prelude of "Shen Nong's Materia Medica", there are "... dry and dry, harvesting, harvesting, land, authenticity, and various laws." Both the drying method and the dry method do not require special equipment, such as cement floor, medicine pot, mat, bamboo sun mat, etc. can be applied. It has the advantages of economical convenience and low cost. However, this method covers a large area and is vulnerable to the influence of the climate. Generally, the pieces are dried by the method. For the scent of aroma, containing more volatile components, bright color and exposure to sunlight, discoloration, oil and other drugs, should not be exposed to the sun, usually using the dry method. The traditional dry form of the drug is required to maintain the shape, color, gas and taste, and fully exert its curative effect. The different types of drugs and drying methods are summarized into eight types as follows:
1. Viscous viscous drugs such as asparagus, polygonatum and other viscous saccharide-based medicinal materials, the tide tablets are easy to stick, such as baking with a small fire, baking, the original juice is constantly extravasated, will reduce the quality, it should be baked with open flame, promote The skin is quickly indurated, so that the internal juice does not leak outward. When baking, the color evolves with time. If it is too long, the color will become yellow and the original juice will be lost and affect the quality. Therefore, it is generally baked to 90%. Master the degree of dryness, just use the feeling of hand touch and burn it. Spread the mildew in front of the baking cage, and pay attention to diligently to prevent the scorching. If there is a hot sun, it can be dried to 90%.
2. Aromatic aromatics such as schizonepeta, mint, citron, woody, etc., it is extremely important to maintain the scent, because the scent is closely related to the quality, and the scent is good. In order not to disperse the fragrance, it should be thinly spread in a cool, ventilated and dry place after cutting. If the sun is not too strong, it can be dried, but it should not be exposed to the sun. Otherwise, if the temperature is too high, the aroma will evaporate and the color will turn black. In case of rainy weather, the medicinal materials are going to be mildewed, and they can only be baked with a slight fire. They must not be dried with high temperature and high temperature, which causes the fragrance to change and reduce the efficacy of the drug.
3. Silty powders are drugs that contain more starchy substances, such as yam, and Fritillaria. These medicinal materials are very slippery, sticky, moldy, cyanotic, stinky and deteriorating. They must be dried with the sun and thinly spread. Because its quality is very brittle, it is easy to break, and the tide film is even worse. Therefore, it should be lightly shattered in the sun-drying operation. If the weather is not good, use a micro-fire to keep the slices intact. However, the firepower should not be too large, so as not to bake until the color of the drug is browned.
4. Oily oily medicinal materials such as angelica, Achyranthes bidentata, Chuanxiong, etc., these drugs are very easy to oil, such as baking, the oil will overflow the surface, the color will also turn yellow, the fire is too strong, and it will lose oil. After drying, the quality is affected and the sun is deliberate. In case of rain and rain, you can only use the micro-fire to prevent the burnt black.
5. Color-based color medicinal materials such as platycodon grandiflorum, Zhejiang Fritillaria, Alisma, and Astragalus. The color of such herbs is very important, and the water content should not be too much, otherwise it is not easy to dry. Its white-type platycodon grandiflorum, Zhejiang Fritillaria should be used in the sun, the more white and white. Yellow-type diarrhea, jaundice, such as sun will destroy color, it should be baked with a small fire, and can maintain yellow, increase the fragrance, but can not use the fire to prevent browning.
Second, artificial drying Artificial drying is the use of certain drying equipment to dry the pieces. The advantage of this method is that it is not affected by the weather, is dry and hygienic than nature, and can shorten the drying time. In recent years, all kinds of drying equipment in the production practice in the country have been designed and manufactured, such as direct hot air type, steam type, electric heating type, far infrared type, microwave type, and their drying ability and effect have been greatly improved. These drying equipment are being promoted and continuously improved. Suitable for mass production.
The temperature of artificial drying should be flexible in the nature of the drug. The general drug is preferably not more than 80 ° C. A medicinal material containing a sufficient aromatic volatility is preferably not more than 50 ° C. The dried pieces should be stored in the cool and then stored. Otherwise, the residual heat can make the pieces regain moisture and prone to mildew. However, the moisture content of the dried pieces should be controlled at 8% to 12%.
1. Flap dryer Working principle: The cut pieces are sent to the drying chamber through the feeding conveyor. The interior is a curtain conveyor belt made up of several flaps. A total of four layers, driven by a sprocket, the drug is spread on the flap, from the front end to the end, that is, turned to the lower layer, four times reciprocating transmission. The dried pieces are fed into the vertical feeder through the vibrating conveyor along the discharge port, and the input funnel is placed on the discharge chute.
2. Hot air dryer Working principle: Coal is used as heat source in the combustion chamber, and hot air is input into the room from the hot air duct. Due to the action of the blower, the hot air is convected to achieve a uniform temperature. The residual heat is discharged from the outlet of the hot air duct.
During the operation, the medicine to be dried is placed in a sieve and a sputum, layered in an iron frame, and fed by a rail. After the pieces are dry, stop the blast, open the iron door, pull the iron frame out, and collect the dried pieces.
The temperature is generally between 80 and 120 ° C, and the dry decoction is controlled at about 80 ° C, depending on the texture and nature of the drug.
The drying device has a simple structure, is easy to install, and is suitable for mass production.
3. Far-infrared radiation drying technology Far-infrared radiation drying technology is an advanced technology developed in the 1970s. The principle of drying is: electric energy is converted into far-infrared radiant energy, which is absorbed by the molecules of the dried object to cause resonance, causing vibration and rotation of molecules and atoms, causing the object to heat up, turning a large amount of water into a gaseous state and spreading, and then drying. Sterile purpose. It is characterized by fast drying speed, good drug quality, high bactericidal, insecticidal and egg-killing ability, energy saving, low cost, easy automatic production and reduced labor intensity. In recent years, far-infrared drying has been widely used in dehydration, drying and disinfection of original drugs and decoction pieces. It can also be used for drying and sterilizing traditional Chinese medicine powder and aromatic medicine, and can better retain the volatile oil of traditional Chinese medicine.
4. Microwave drying technology Microwave heating and drying is a new technology that has been rapidly developed in the past sixty years. Microwave drying refers to a method in which microwave energy is converted to heat to dry the wet material. The principle is: polar water molecules and fat in traditional Chinese medicine and processed products can absorb microwave energy to different degrees. In the alternating electric field, due to the change of electric field time, the polar molecules rotate and vibrate, causing the molecules to rub each other. Heat to achieve the purpose of dry sterilization. Its characteristics are: fast speed, short time, uniform heating, good product quality, high thermal efficiency and so on. Microwave drying is not affected by fuel exhaust gas pollution, and can kill microorganisms and molds. It has a disinfecting effect and can prevent mold and insects. It is suitable for drying and sterilizing water pills, concentrated pills, powders and small particles of traditional Chinese medicines, processed products and proprietary Chinese medicines. Since the microwave energy penetrates into the interior of the material, the drying time is 1/10~1/100 of the conventional hot air heating. Therefore, the volatile substances and aromatic components contained in traditional Chinese medicines are less lost. Microwave sterilization is closely related to the nature and water content of the sterilized material. Because water can strongly absorb microwaves, the more water content, the better the sterilization effect.
5. Solar and Heat Drying Technology Solar energy is a huge, clean, low-density energy source suitable for low temperature drying.
Its characteristics are: energy saving, environmental pollution reduction, good drying quality, avoiding the pollution of dust and insects, and the variegated and blackened appearance of drugs after natural drying, which improves the appearance quality.

Zhejiang XingWang LongSheng Food Co.,Ltd. was established in January 2013. It is an aquatic products deep processing joint venture constituted by [Taizhou XingWang Aquatic Product Co.,Ltd."and ZheJiang LongSheng Aquatic Products Co.,Ltd."(Thailand businessman solely invested). The company`s registered capital is 19.8 million Yuan, total assets is 80 million Yuan; total area of company is 72,500 square meters, total construction area of 57,000 square meters including with cold storage capacity 30,000 MT, processing area 18,000 square meters, product quality assessment center 500 square meters.

We have more than 800 staffs of which over 80 are technical managers. We now have passed food safety management system ISO22000, HACCP, QS, FDA, BRC, HALAL, OU-KOSHER certification and filing to export food manufacture, we also have finished some Occident registrations. To ensure the quality of our products, the company invests over 200 millions Yuan to build and launch laboratory management system in accordance with international standards ISO17025.

Our company now has domestic offshore processing vessel which specialized in offshore procurement, processing and freezing business. Meanwhile, we are also engaged in North Pacific, workboat, trans-ocean workboat business. Therefore, it can avoid raw material shortage situation.

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