The new curved swirling gold separator is a newly developed gold gold re-election equipment that has been applied to gold mining vessels in southern China. This kind of equipment can replace the jig and the effect is good. The structure of the new surface swirling gold separator is shown in the fi

When the processing of lead-containing raw materials, in addition to crude lead, blast furnace dust are also valuable semifinished product. The soot is smelted by a three-phase three-electrode electric furnace. The graphite electrode has a diameter of 300 mm. The furnace has a power of 2300 kVA. T

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Carbonation conversion of lead-smelting processes generally lead concentrate can be processed, the processing may be low-grade lead concentrate, lead-based gold ore pyrometallurgical treatment process is difficult, and the like, have been tested multi-element chemical analysis of the ore, the follo

There are many digital signals in elevators that are transmitted through the network, such as video surveillance, advertising screens, and smart integration. However, the elevator is a special use scenario. The elevator runs up and down frequently and the cable is easily broken. Several methods t

Nowadays, many high-end cars are automatic, easy to operate, and shifting gears are loved by successful people. However, the automatic gearbox is also in need of maintenance. Mercedes-Benz's gearbox sump is made of iron, which is relatively durable and not easy to seep.

Silver- containing sulfides can be decomposed by cyanide solutions, but the rate of decomposition is slow. If the concentrate is calcined with salt to convert silver into silver chloride, it is easily decomposed by the cyanide solution. The calcined salt is usually added in an amount of 5% to 15% b

Recently, the Ministry of Industry and Information Technology, the National Development and Reform Commission, the Ministry of Science and Technology, and the Ministry of Finance jointly issued the "Action Plan for Promoting the Development of Automotive Power Battery Industry" (hereinaf

Not every lubricant is called Shell . Not every lubricant can escort the life of a card friend. I pay attention to your daily concern, I pay for your work needs, I strive for what you want in your life. You work hard all the way, I protect all the way. This is the brand declaration of Shell,

Since its establishment 14 years ago, Hande Axle has always adhered to its mission of “providing more reliable and efficient axle products for global customers and creating a better life for its employees”. Through 49 years of experience in production, the Hande Axle has always be

On the morning of March 16, Wu Changjiang’s 130 million Dehao Runda shares were sold at the judicial auction platform for about 740 million yuan. The entire shares were split into two targets, which were won by Wu Changjiang’s two creditors. Compared with the real-time stock price, the

Abstract: As a puffed food, doughnuts are generally packed in air, which can prevent doughnuts from being oxidized and crushing, and at the same time extend shelf life. Therefore, it is necessary to strengthen the monitoring of the internal gas composition of the doughnut package to prevent the qu