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Category: Chemical Engineering
Introduction: Solvent Recovery System for the Pigment Industry: Ethylene glycol is used as an active agent in the pigment, dye, and phthalocyanine blue chemical industries, where it costs as much as 20,000 yuan per ton. The brine and ethylene glycol solvent used in…
Solvent Recovery System for the Pigment Industry: Ethylene glycol is used as an active agent in the pigment, dye, and phthalocyanine blue chemical industries, where it costs as much as 20,000 yuan per ton. The brine and ethylene glycol solvent used in the washing process are discharged as wastewater. Niru, a subsidiary of GEA based in Denmark, employs the SD spray method to effectively recover both sodium chloride and the solvent simultaneously, reusing them in critical stages of product manufacturing. Earlier, Mingxing Drying had already mastered the core technology and manufacturing processes for this equipment, and successfully built a glove recycling unit at a chemical plant of Fuyan Group in Zibo, Shandong. The solvent recovery rate reached over 98% (Niru achieves over 99%), and the equipment has been operating normally for nearly 5 years. We are currently manufacturing the same equipment for Hebei Merida Group and have gained extensive manufacturing experience.
This system is equipped with a high-speed spray drying unit capable of evaporating 4 tons of water per hour, developed by our factory. It utilizes our independently developed MRW series atomization unit (which has been operating stably for 5 years), paired with a large-scale, custom-built low-temperature heat-exchange coal-fired hot air furnace, and is equipped with flue gas desulfurization equipment. Our company has mastered core technologies in the field of spray drying, including the design of drying towers, the R&D and manufacturing of hot air distribution systems, the manufacturing of large dust collectors, the custom fabrication of hot air furnaces and large heat exchanger assemblies, and the design and manufacturing of flue gas desulfurization equipment. We also possess a proven track record and project experience in the production and manufacturing of hundreds of spray dryers across industries such as food, chemicals, non-metallic minerals, building materials, pharmaceuticals, and bioproducts.
Related projects
Russian Model 3000 Sodium Silicate Spray Dryer
In early 2023, a customer operating a liquid sodium silicate production plant in Novomoskovsk, Tula Oblast, Russia, purchased a complete set of our LPG3000 high-speed centrifugal spray drying equipment to produce instant sodium silicate powder. This c…
Drying Machine Specifically Designed for Lithium-Ion Battery Anode Materials
Graphite powder is soft and blackish-gray in color; it has a greasy feel and can stain paper. Its hardness ranges from 1 to 2, but along the vertical direction, its hardness can increase to 3–5 as the impurity content rises. Its specific gravity is 1…
Spray-drying of 8,000 tons of high-porosity silica gel powder
The moisture content in the solid silica gel used in this project reaches 75%. The samples are glass-like and transparent, and are relatively hard, making it impossible to remove the water by squeezing. In collaboration with the client, our company ha…
Sodium Carbonate Flash Drying Project
The SXG16 flash dryer ordered by a certain alkali plant in Henan has successfully completed its trial run. It is being used in conjunction with a high-temperature hot air furnace manufactured by our company.The rotary flash dryers produced by Mingxing…
100-ton-per-day Municipal Sludge Drying Project
Large-scale sludge drying project at the Beijing Yanqing Municipal Sewage Treatment Plant. This equipment is the first of its kind in China; after granulation and drying, the sludge’s moisture content can be reduced to below 10%. The drying process s…
Flash Drying of Polysilicon (Silica Microspheres)
Currently, crystalline silicon materials (including polycrystalline and monocrystalline silicon) are the primary photovoltaic materials, accounting for over 90% of the market share, and will remain the mainstream material for solar cells for a conside…
100,000-Ton Kaolin Spray-Drying Project
We have supplied centrifugal spray drying equipment with an annual capacity of 100,000 tons to Shandong Yankuang Group’s Beihai Kaolin Company in Guangxi (55% solid content), Lincang Boshang Kaolin, Guangdong Maoming Xinli Kaolin, and Yankuang Huaibe…
Our company has developed a dryer for glass (quartz) raw materials. It is in operation at a glass processing plant in Chengdu and uses a natural gas-fired furnace.The raw materials used to manufacture ordinary glass are: soda ash, limestone, and quart…
100,000-Ton Bentonite Rotary Drying Kiln Project
Following the successful completion of the 100,000-ton bentonite project in Liaoning, Mingxing Company, building on its accumulated strengths, has signed a contract with Zhangjiakou Mining Company in Hebei for another production line. This line also h…
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