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The modernization of traditional Chinese medicine is accelerated, and the drying technology and equipment are improved

 Last Update: 2021-12-12
 Source: Internet
 Author: User

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[ Focus on Chemical Machinery and Equipment Network ] Drying is a key link in the process of Chinese medicine pharmacy, which affects the quality of medicines.
In recent years, with the acceleration of the modernization of traditional Chinese medicine, new drying technology, as the key to the technological transformation and upgrading of the traditional Chinese medicine manufacturing industry, is receiving attention from the industry.

Chemical machinery and equipment network hotspots pay attention to chemical machinery and equipment

Emerging drying technology of Chinese medicinal materials attracts attention

Currently, the emerging drying technologies applied to Chinese medicinal materials on the market mainly include spray drying, fluidized bed drying, microwave drying, vacuum freeze drying, and far infrared drying.
They have their own advantages and some disadvantages.

Among them, spray drying is to atomize the thin material in the drying chamber, and the moisture is quickly vaporized in contact with hot air to obtain a dried product.
At present, this technology is mainly used in the drying of traditional Chinese medicine extracts, spray drying, granulation, and spraying.
Coating and other aspects.
In terms of advantages, spray drying technology has high drying efficiency, fast speed, short heating time, and the prepared extract material has good fluidity and looseness, and the powder can be directly obtained from the liquid material, and the process is simple.
However, due to the complexity of traditional Chinese medicine extracts, problems such as wall sticking and adhesion often occur during the spray drying process, which affects production efficiency.

　　The drying efficiency of fluidized bed drying is also very high, the speed is very fast, and the drying is uniform, the output is large, and it is suitable for large-scale production.
It is mainly used for granulating and drying in the preparation process of tablets and granules, as well as water pills and small honey pills.
The dryness.
However, in practical applications, ordinary fluidized bed dryers still have some shortcomings, such as uneven fluidization and high energy consumption due to air bubbles.

　　Research on microwave drying technology in my country started late, but compared with traditional drying methods, microwave drying has outstanding features such as high efficiency, energy saving, and environmental protection.
It is currently widely used in Chinese medicinal materials, Chinese medicine extracts, extracts, powders, etc.
In recent years, the application of microwave drying in the field of traditional Chinese medicine has become more and more extensive, but it is not suitable for Chinese medicinal materials rich in volatile or heat-sensitive ingredients, natural plants containing a large amount of starch and gums, etc.

　　Vacuum freeze-drying technology can better preserve the activity of medicinal active ingredients and maintain the appearance quality of medicinal materials.
This technology has been widely used in Chinese medicinal materials such as ginseng, American ginseng, cordyceps, velvet antler, etc.
And in recent years, with the rapid development of modern Chinese medicine technology and freeze-drying technology, the application of vacuum freeze-drying technology has become more and more extensive.

　　Compared with the previously commonly used heating and drying methods, far-infrared drying has the main advantages of low energy consumption, high quality, and lower production costs.
It is suitable for high water content, thermally unstable active ingredients, perishable deterioration, or precious medicinal materials and decoction pieces.
The quick drying.
At present, it is mainly used in the drying and sterilization process of Chinese medicinal materials, decoction pieces, pills, powders, granules, etc.
It is worth mentioning that because the far-infrared wavelength is short and the penetration depth is small, it is only suitable for drying thin-layer medicinal materials.

　　Drying process technology and equipment urgently need to be improved and upgraded

　　The promotion and application of new drying technology can be said to greatly improve the drying efficiency of Chinese medicinal materials, and "escort" the quality of Chinese medicinal materials.
However, the industry also pointed out that modern drying technology still has conversion problems in basic research, development and application.
Norms also urgently need to be standardized.

　　In addition, in the application of new drying technology, the low level of drying technology and backward equipment have become important factors hindering the conversion of drying technology.
Therefore, in the process of promoting the development of modern Chinese medicine industry, drying technology and equipment urgently need to be transformed and upgraded.

　　So, in what direction should the drying process technology and equipment be transformed? In view of policy and market demand, solving the problems of environmental protection, energy saving and consumption reduction in the drying process is the main development direction.
Drying equipment companies should carry out technical transformation of the drying process and adopt new manufacturing technology concepts such as green manufacturing and intelligent manufacturing to achieve drying.
The upgrading of equipment, and continuous improvement of independent innovation capabilities, promote the transformation of the industry.

Drying equipment

　　It is reported that there are already drying equipment companies that are making efforts in the direction of intelligent manufacturing.
If any company has built an intelligent Chinese herbal medicine processing equipment, it can realize intelligent monitoring, traceability and remote control, etc.
, to ensure the quality of Chinese herbal medicine and the production link There are also equipment manufacturers focusing on intelligent manufacturing and green production, launching high-tech innovative equipment with core technologies for Chinese medicine extraction, concentration, drying, sterilization and other processes and equipment manufacturing.

　　In addition, the new version of GMP puts forward stricter requirements on drug quality, especially the requirements for sterility.
In this regard, the industry pointed out that traditional Chinese medicine drying equipment needs to be improved, upgraded, promoted and applied in terms of sterilization, detection, online detection and control and other functional control technologies to further ensure the production quality of products, thereby promoting the high-quality development of the modern Chinese medicine industry.

　　Original title: The modernization of traditional Chinese medicine is accelerating, and the drying process technology and equipment urgently need to be improved and upgraded

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