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    DWP（Dust and White Gas purification）Integrated Technology

    Dust and White Gas Purification Technology

           7mg Company's DWP ultra-clean technology is suitable for formaldehyde-free flue gas purification conditions (such as particleboard drying exhaust) and has the following characteristics:

          ‚óÜ Integrated equipment creatively combines spray washing, ultra-clean wet electricity, and flue gas whitening technologies.

          ‚óÜ The unique design of spray washing nozzle and flue gas inlet structure strengthened our position in the industry. The flue gas and spray water in the spray washing tower flow in a counter-current manner, which is conducive to dust washing and settling; the flue gas inlet adopts a specially designed structure, so that the flue gas stays inside the equipment for a longer time, and the flue gas fully contacts and collides with the water film on the tower wall , higher dust removal efficiency than conventional spray towers.

          ‚óÜ The middle area is a metal plate ultra-clean hygroelectric area, where fine dust further collides, condenses and is collected under the action of electric field force. Wet electricity has the supersaturated water vapor environment required for the condensation of PM2.5 dust. It promotes the efficient removal of PM2.5 through steam phase change. The removal efficiency of particulate matter below PM10 is as high as more than 90%. The equipment operates stably and basically does not need to be used. Maintenance, the outlet dust concentration can be ‚â§10mg/m¬≥. Plasma installation space is reserved on the upper part of the wet cell to adapt to more stringent emission standards and reduce secondary transformation costs.

          ‚óÜ Wet electricity can produce some ozone and has the function of partially removing odor and formaldehyde.

          ‚óÜ The top is the flue gas whitening area, which eliminates the purified white smoke to resolve local conflicts about the air pollutions and ensure normal production.


    DWFP（Dust and White Gas and Formaldehyde Purification ）Integrated Technology

    Dust and White Gas and Formaldehyde Purification Technology

           7mg company's DWFP technology is designed for formaldehyde-containing flue gas purification conditions (such as density board drying exhaust gas and press exhaust gas). A plasma area is set up in the middle area of the equipment. The plasma has the following characteristics

    7mg公司DWFP技术适用于含甲醛烟气净化工况（如密度板干燥尾气与压机废气），设备中部区域设置等离子区域，等离子具有如下特点：

          ‚óÜThe main purpose of "low-temperature plasma" technology in air pollution is to use high-energy electrons generated by gas discharge to collide with molecules, atoms, etc. inelastically, causing gas ground state molecules to be excited, dissociated, and ionized to activate, producing a large amount of O, OH, H2O, etc. Free radicals and O3 react with pollutant molecules in the gas to degrade or transform them. The decomposed harmless gases escape into the air, and the free radicals and droplets are collected under the action of electric field force, so plasma technology can As a powerful device to achieve "near-zero" formaldehyde emissions while effectively removing VOCS, the corresponding plasma energy consumption is higher;

          ‚óÜThe plasma in this solution is equipped with a 7mg dedicated high-frequency pulse power supply, which has good stability and strong output capability, ensuring high field strength and high-energy particles in the plasma.

          ‚óÜThe conditions of high field strength and high current density in the plasma can make the smoke particles better condense and be collected. Therefore, this integrated washing plasma technology can control the dust below 10g/m¬≥. For occasions with high dust concentration, it can be used in combination with wet electricity


    Ultra-clean Electron Control Technology

           7mg Company has specially developed a high-frequency pulse high-voltage power supply for artificial board plasma and wet electricity in view of the characteristics of high moisture content in the flue gas and poor dust conductivity of artificial board. It has the following advantages:

          ‚óÜ High conversion efficiency, stronger output energy, and better gas ionization ability;

          ‚óÜ Higher dust removal efficiency under the same power conditions

          ‚óÜ The operation is more stable and the service life is longer.

    Water Circulation Control Plan

    The water circulation plan developed by 7mg Company for the treatment of dry exhaust gas from artificial boards has the following characteristics:

    ‚óÜ The system is mature and reliable, with automatic cycle and easy operation.

    ‚óÜ Wastewater recycling, treating waste with waste

    ‚óÜ Improve the cleanliness of dust removal water in spray towers and improve dust removal efficiency

    ‚óÜ Circulation consumption within the system, truly achieving zero wastewater discharge