It is a two-axis conductive heat transfer dryer, featuring a unique wedge-shaped heat transfer wing that significantly increases the heat transfer coefficient, making the device compact.
The paddle dryer is a drying device used in a wide range of fields, regardless of industry, for drying powdered materials, synthetic resins, sludge, food, and chemical products. Its greatest feature is the wedge-shaped heat transfer wings (paddle blades) developed uniquely by our company, which have been providing excellent performance as a representative of trough-type mixing dryers for decades, both domestically and globally.
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**Features** - The device is compact due to its large heat transfer area per unit volume. - The wedge-shaped blades penetrate the powder, promoting contact with the heat transfer surface, and the high degree of turbulence in the powder allows for a large heat transfer coefficient. Additionally, the filling rate can be maintained at a high level of 85-90%, effectively utilizing the heat transfer area. - The mutual movement of the overlapping two-axis wedge-shaped blades prevents and suppresses adhesion, ensuring continuous effective heat transfer. - The residence time distribution is narrow, resulting in no drying unevenness. - Operation is possible with a small amount of carrier gas, allowing for smaller equipment such as dust collectors. This is particularly advantageous for solvent recovery in inert gas closed circuits. - It is capable of processing high-moisture slurries and sticky materials. - Operation under reduced pressure is possible, utilizing boiling point depression for continuous drying of heat-sensitive materials. - Using oil as a heat transfer medium allows for processing at high temperatures (up to 290°C). - It is also possible to design a device that simultaneously performs drying and cooling.
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Applications/Examples of results
【Unit Operations】 Drying, solvent recovery, heating, sterilization, reaction, cooling, vacuum drying, etc. 【Material Forms】 Applicable to a wide range of particle sizes and shapes, including fine powders, granules, pellets, and flakes. It can also process high moisture content materials, slurry substances, and adhesive materials.
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The words that are often spoken within our company are "grasp change and create change," and "contribute to the irreplaceable Earth, which is home to humanity and many species, with our unique technology." We also pass down the aspiration to become a company welcomed worldwide. To realize this, each individual at NARA must broaden their perspectives and hearts, actively participate in their own transformation, and at the same time, maintain a firm commitment to uphold their originality in the face of valuable challenges. Although we are still inexperienced, we intend to take steps toward NARA's ideals, with the broad support and guidance of everyone, and sometimes even receiving admonishments, as we move forward.
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