How to slove the blades of the spiral classifier

The abrasive wear failure of the blades of the spiral sand washer is a common phenomenon in the sand washing equipment. The reason for this phenomenon is that the blades have been rubbed by materials for a long time and have been strongly impacted during the cleaning process, especially some larger particle sizes. The sand washing machine has a fast wear speed, and the wear is serious, and the blade surface will affect the normal production requirements of the sand washing machine.

There are three main reasons for the failure of the spiral sand washer blade:

1. The external force on the sand washing equipment or the temperature change caused by the material may increase the internal stress of the spiral sand washing machine blade, resulting in carbide cracking.

2. When the spiral sand washing machine adopts the heat treatment method, cracks may occur on the surface of the casting, and continuous cracking may cause the blade to break and fail.

3. If the blade part of the spiral sand washer is stuck by metal objects such as bolts during operation, the sand washer will be subjected to greater force and lead to brittle fracture of the blade.

The reason for the failure of the spiral sand washer blade is an abnormal phenomenon. When the blade fails, the blade needs to be repaired or replaced so as not to damage the sand washer.

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The classifications of quartz sand

1. Ordinary quartz sand: The surface of ordinary quartz sand seems to have a layer of yellow skin, and some have large particles and strong fire resistance. It is a kind of quartz sand processed by the manufacturer after using natural quartz ore in the production process, such as washing and drying. No impurities can be seen in the quartz sand through the second water treatment filtration. It is the best choice for chemical water treatment. It can block the sundries suspended in the water and maintain the quality and beauty of the water. 2. Refined quartz sand: Refined quartz sand is a mineral made by the manufacturer after carefully selected quartz stone. According to different requirements of users, the range used is also different. But generally the main use of refined quartz sand is in glass products, because refined quartz sand is refractory and precision casting, especially suitable for fireproof glass materials.

Chromite purification processing method

At present, chromium ores with industrial value are generally chromium-magnesia spinel or chromium-iron spinel minerals, which contain a large amount of chromium oxide, with a content of about 18% to 62%, and generally also contain metals such as aluminum and nickel. Its characteristics make the chromium ore beneficiation process present a rich and diverse state. Due to the properties of chromium, chromium ore beneficiation processes include gravity separation, magnetic separation, flotation, combined beneficiation, chemical beneficiation, etc. Commonly used in industry are single gravity separation, single magnetic separation, and gravity-magnetic combined beneficiation processes. In terms of equipment selection, shakers and jigs are mostly used in the gravity separation stage, while the equipment selection in the magnetic separation stage is determined based on the magnetism of the ore.

How to desilting municipal drains and canals?

The river channel sludge filter press is a special equipment, which is used to deal with river channel dredging sludge, lake sludge and sludge brought ashore by cutter suction boats. The equipment adopts the principle of automatic water removal and extrusion dehydration. First, the sludge is introduced into the equipment through a slurry pump, and after pressing and squeezing, the output is clear water and mud cake. This treatment method does not require manual unloading, and the moisture in the mud cake is effectively removed, which can be directly packaged and transported, and the clean water produced can be directly discharged. Automatic processing: The equipment adopts an automatic control system to realize automatic water removal and extrusion dehydration without manual operation, which greatly saves labor costs and time.

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