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E-mail
18115798713@189.cn
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Phone
18115798713
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Address
Shijia Lane, Zhenglu Town, Wujin District, Changzhou City
Changzhou Gelde Drying Engineering Co., Ltd
Changzhou Gelde drying three effect evaporative crystallizer: a reliable choice for efficient evaporative crystallization
Date: 2025-08-29Read: 2
In industries such as chemical, food, pharmaceutical, and environmental protection, evaporative crystallization is a key step in achieving material separation and purification, with strict requirements for equipment performance and stability. Changzhou Gelde Drying Engineering Co., Ltd., with its profound accumulation of drying technology, has developed a three effect evaporative crystallizer that performs well and has become the trusted choice of many enterprises.
Changzhou Gelde specializes in large-scale drying technology engineering, integrating equipment design, processing, sales, and service. In the industry, the company has accumulated a good reputation with a professional technical team and rich experience. Its three effect evaporative crystallizer is ingeniously and reasonably constructed, consisting of three series connected tubular heaters, evaporation chambers, and auxiliary equipment such as circulation pipes, condensers, and liquid receiving tanks.
The working principle of this device is based on multi effect evaporation technology, cleverly utilizing the secondary steam generated by the previous effect evaporation as the heat source for the next effect, achieving a cascade utilization of heat. The material flows through three evaporators in sequence, and as the pressure and temperature gradually decrease, the water evaporates continuously. The solution concentration continues to increase until it reaches supersaturation and solute crystals precipitate.
The equipment has obvious advantages, and the energy-saving effect is particularly prominent. Taking the SJN-1000 model as an example, actual calculations have shown that it can save about 5400 tons of steam, 140000 tons of cooling water, and over 130000 kilowatt hours of electricity annually, reducing costs by nearly 200000 yuan, which is highly in line with the current trend of energy conservation and environmental protection. In terms of evaporation efficiency, external heating natural circulation and vacuum negative pressure evaporation methods are used, which have fast evaporation speed and a high concentration ratio. They can concentrate general Chinese herbal extracts to 1.4 without the need for open collection, effectively avoiding secondary contamination of materials. Compared to single effect evaporation, energy consumption is reduced by about 70%, and equipment investment can usually be recovered from the saved energy costs in less than a year.
In terms of operation, the equipment has diverse functions and can recover alcohol at around 80 degrees Celsius. The same equipment can concentrate three types of materials simultaneously, supporting multi effect co pot concentration, intermittent and continuous feed concentration, and achieving "one-time paste formation" to meet the diverse needs of different production processes. In terms of hygiene and durability, the material contact area is made of stainless steel SUS304 material. The heater and evaporator are equipped with a polyurethane foam insulation layer on the outside, and the outer surface is treated with frosted matte to meet GMP standards, ensuring that the material quality is not affected.
From the perspective of application scenarios, in the pharmaceutical industry, it is suitable for the concentration of various liquids such as traditional Chinese medicine, western medicine, and glucose, especially for low-temperature vacuum concentration of thermosensitive materials; In the food industry, it can be used for evaporation and concentration of milk, juice, etc; The chemical industry is capable of handling solutions such as sodium chloride and sodium sulfate that have precipitated crystals; In environmental protection engineering, high salt and high concentration chemical organic wastewater can be effectively treated to assist in water resource recycling and pollutant reduction.
With excellent performance, significant energy-saving effects, and wide applicability, Changzhou Gelde drying three effect evaporative crystallizer has become a reliable choice for various industries to achieve efficient evaporative crystallization, providing strong support for the high-quality development of the industry.