Dolomite is widely used as a raw material for deep processing products in addition to ingredients.
1. Preparation of metallic magnesium in a vacuum of less than 13.3Pa 1200 deg.] C, in a reaction tank of heat-resistant alloy of silicon with iron (hydrous Si75%) manufactured by magnesium reduction of calcined dolomite, the process shown in Figure 1.

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2. Preparation of Light Magnesium Oxide Light magnesium oxide has a molecular formula of MgO and is an amorphous white powder. This product is widely used in building materials, chemicals, pharmaceuticals, plastics and other industries. The dolomite is subjected to a series of treatments such as calcination, digestion, and thermal decomposition of carbonization, and then calcined and pulverized to obtain light magnesium oxide. The reaction formula is as follows, and the process flow is shown in FIG. 2 .

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Product quality standards are shown in Table 1.

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Production plants: Shanghai Chemical Materials Factory, Shanghai Xinghuo Chemical Plant, Tianjin Xiangyang Chemical Plant, Jiangsu Lianyungang Salt Zone Chemical Plant, Liaoning Zhuanghe Magnesium Mine, Shanxi Jinzhong and Hue Chemical Plant and Beijing Graystone Plant.
3. Preparation of light magnesium carbonate The dolomite carbonization method is to crush the dolomite containing MgO and coal , mix it, and calcine it at high temperature, then add hydrated ash, then carbonize, press filter, and use direct steam heat. After the solution, the filter is further filtered, dried, pulverized, and packaged to obtain a finished light magnesium carbonate (Fig. 3). Its reaction formula is as follows:

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Production plant: Beijing Grey Sandstone General Factory Product quality standards are shown in Table 2

A RECTIFIER BRIDGE CAN CONTAIN 3, 6, OR SOMETIMES 8 DIODES DEPENDING ON ITS DESIGN. DIODES ARE LIKE ONE WAY CHECK VALVES THAT ALLOW CURRENT TO FLOW IN ONLY ONE DIRECTION. A POSITIVE BIASED DIODE ALLOWS ONLY POSITIVE VOLTAGE TO PASS THROUGH AND A NEGATIVE BIAS DIODE ALLOWS ONLY NEGATIVE. THE BRIDGE'S JOB IS TO CONVERT AC VOLTAGE TO DC VOLTAGE. THIS PROCESS IS KNOWN AS RECTIFICATION. IT ALLOWS THE POSITIVE VOLTAGE TO PASS ONTO THE BAT+ TERMINAL AND ONTO THE BATTERY, WHILE ALLOWING NEGATIVE VOLTAGE TO PASS TO THE GROUND. MOST ALTERNATORS HAVE 3 OR 6 DIODES. IF ONE OF THESE FAIL, IT WILL REDUCE ALTERNATOR OUTPUT BY APPROXIMATELY 1/3.
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RECTIFIER ASSEMBLY. THE RECTIFIER ASSEMBLY CONSISTS OF SIX DIODES MOUNTED
EITHER IN THE REAR HOUSING OR IN A SEPARATE SMALL HOUSING CALLED A RECTIFIER
BRIDGE. THREE OF THE DIODES ARE CONNECTED TO GROUND, AND THREE ARE MOUNTED
IN AN INSULATOR. SINCE THE MOUNTING ASSEMBLY CARRIES OFF HEAT CAUSED BY THE
OPERATION OF THE DIODE, IT IS OFTEN CALLED A HEAT SINK.

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