Electro Magnetic Filters

[INQ. NO. 2510M19] DW Materials Co., Ltd. is a specialized manufacturer of electro magnetic filters (EMFs). Moving beyond simple machine manufacturing, it is a technology-driven company with fundamental technology and precise design capabilities.
DW Materials’ greatest strength lies in its heat exchanger and reactor manufacturing expertise, cultivated over 30 years. Based on this expertise, it offers differentiated solutions that fundamentally control heat-generation issues, previously unsolved by anyone in the market.
DW Materials’ products do not simply generate magnetism, but are rather focused on integrating electromagnetism, mechanical engineering, and physics ― in order to separate magnetic contaminants from raw materials with high purity, thereby maximizing process-efficiency and quality-stability.
Furthermore, DW Materials possesses systems that automatically capture and remove magnetic contaminants, advanced computing simulation technology that precisely implements customer-specific magnetic fields, and customized design capabilities that even optimize the internal magnetic field of the screen.

Electro Magnetic Filters, Essential Equipment for the Secondary Battery Industry
DW Materials’ electro magnetic filters utilize powerful magnetic fields to dramatically remove trace amounts of magnetic impurities from raw materials. They are primarily categorized into dry and wet types.
DW Materials’ magnetic filters surpass the performance of conventional electro magnetization through a precision engineering design that integrates electro magnetism, mechanical engineering, and physics. They precisely separate magnetic impurities from raw materials with high purity, maximizing both process-efficiency and quality-stability of products.
They dramatically filter magnetic impurities within the screen, and the captured impurities are automatically discharged, thus ensuring continuous and efficient operation. Furthermore, by moving beyond traditional manual Excel calculations, the company utilizes advanced computing simulations to accurately implement the customer’s desired magnetic field.

The company’s precise data analysis by superconductor experts, based on the Biot-Savart Law and Maxwell’s Equations, provides the industry’s most reliable magnetic field design. By meticulously simulating the internal magnetic field of the screen, the company not only optimizes screen performance, but also enables customized magnetic field design for the upper, middle, and lower sections, tailored to customer needs.
Unlike existing magnetic filters that suffer from coil damage and weakened magnetic fields due to heat control failure, DW Materials has fundamentally controlled heat generation based on 30 years of accumulated heat exchanger expertise.
DW Materials has successfully developed the world’s first air-core, 6,500 Gauss high-magnetic field constant current electro magnetic filter. This innovation goes beyond simply lowering temperatures. It breaks the vicious cycle of current drop, magnetic field weakening, and coil overheating caused by temperature instability. Furthermore, its precision design is based on thermo- and fluid-dynamics, ensuring overall system stability.

In addition, instead of simple, off-the-shelf springs, DW Materials uses customized springs with precisely calculated elastic modulus to uniformly control vibration. This eliminates the risk of damage to the canister and screen, thus achieving more stable and defect-free optimal performance.
“Our scientific analysis utilizing Biot-Savart’s Law and Maxwell’s Equations, coupled with data-driven research by our PhD-level researchers, is what makes our technology recognized as a reliable solution. Going forward, we will continue to serve as a next-generation technology partner, enhancing the quality competitiveness of the secondary battery and materials industries, rather than just remaining as a simple manufacturer,” explained the company’s CEO.

 
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