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DANDONG DONGFANG MEASUREMENT & CONTROL TECHNOLOGY CO., LTD.
No. 136 Binjiang M. Road, Yanjiang Development Zone, Dandong, Liaoning / / / CHINA
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Contact Info: +86 415 386 2236
Web: https://en.dfmc.cc/
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Hall: 5
Stand: 523-08
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Since its establishment in 1996, DFMC has successively undertaken 14 national key scientific and technological problem-tackling and industrialization demonstration projects, presented 72 kinds of internationally advanced inline industrial detection instruments and apparatuses in 12 categories, and acquired 48 invention patents and utility model patents. More than 50 measurement and control systems that were independently researched and developed by DFMC with advanced level in the world have been widely used in over 200 medium- and large-sized metallurgical and mine enterprises in the country. In the ore dressing automation engineering field, it holds over 90% of the market shares, establishing its leading position in Chinese metallurgical and mine automation field.
X-Ray fluorescence analysis technology and dispersion analysis method are used to generate complex X-Ray mixed energy spectrum by exciting various elements in the material. The energy spectrum analysis technology is used to find the element type and content in the measured material and the instrument eliminates the need for complexity. The cumbersome sample processing process directly analyzes the slurry and quickly gives the analysis results which can participate in and guide the automatic control of the production process.
Cross-belt elemental analyzer (EA-COAL) is the major achievement of the national neutron activation scientific instrument development project. It is a rapid gamma neutron activation analyzer (PGNAA). The analyzer provides detection results every minute and analyzes the main coal quality parameters and industrial indicators in real time, effectively supervising and controlling coal quality, improving production process, reducing production costs, and improving product quality. EA-COAL is modular structure which can be installed around the belt without cutting the belt. The belt slides over the brackets in the measuring device to detect all the materials flowing through when the equipment in operation. There is no contact between equipment and material during the entire measuring process or any affect for belt operation. EA-COAL has great significance for online detection of coal mining, coal washing, coal blending, coal-as-fired and other production process control.
Ultrasonic Particle Size Analyzer is dedicated to the detection of slurry particle size in the beneficiation industry. It is used to measure the overflow slurry of the cyclone or classifier in the beneficiation process which is suitable for measuring the particle size distribution from 25 microns to 295 microns meeting the P80 standard. The real-time analysis result is accurate. Cooperating with the on-site automation system, using the particle size measurement and analysis information, the grinding circuit is to be optimized, thereby improving the quality of the beneficiation products, increasing the recovery rate and reducing energy consumption. The instrument has strong adaptability which is widely used in solid-liquid two-phase suspension slurry such as iron, molybdenum, copper, gold, lead-zinc slurry etc..
Online Ash Analyzer (AA-DUET) can be used to measure coal ash on the entire conveyor belt quickly and accurately. The instrument has the strength of good stability, high measurement accuracy, and convenient installation and maintenance. It does not require cumbersome processes such as sampling, sample preparation, and laboratory tests. Also, it does not need any additional investments such as building tower etc. for its installation. It can be installed on the belt rack directly without any modification to the belt rack.
Used for on-line detection of material density and concentration in industrial production process, suitable for metallurgy, mining, papermaking, chemical, food and other industries. 1. Non-contact measurement method, the detector is installed outside the industrial pipeline or equipment, it is not affected by the harsh conditions of material viscosity, corrosion,high temperature, high pressure, abrasion, etc., long-term operation is stable, reliable and durable. 2. There are few interference factors to the measurement result, the speed and temperature of the material have no influence on the density or concentration measurement. 3. The use of high-sensitivity and high-efficiency scintillation detectors greatly reduces the intensity of the required radioactive source, so that the radiation safety of the instrument is reliably guaranteed. 4. Developed a new type of automatic peak stabilization technology, which can automatically compensate for instrument drift caused by temperature changes or component aging, so that the long-term stability and repeatability of the ray count rate is less than 0.1%. 5. It adopts a constant-amplitude pulse counting rate transmission method with an amplitude of up to 15 volts, which has a high degree of anti-interference performance and the transmission distance can reach 1000m.
At present, the world s major countries are taking smart technology as the strategic direction of innovation and development, and strive to build it as a new engine to promote economic and social development. Smart technology as a new type of productivity is becoming the core driving force to promote industrial change. As a pillar industry of a nation, the need for mining enterprises to seek high-quality development has become more and more urgent as the smart technology grows rapidly. Intelligent mine can integrate intelligent detection, advanced control, artificial intelligence, big data, cloud computing, Internet+ and other technologies in the mining industry, which can realize mine design, production scheduling, safety monitoring, operation management and other aspects of self-planning, self-awareness, self-decision, self-operation, improving the productivity and economic efficiency of the mine. Eventually improve the productivity and economic efficiency of the mine and keep the mine production in a better condition and level.
- DFMC