Accompanied by roaring salute and loud drums, a 16.02-meter-long, 9.65-meter-wide, 7.55-meter-high, fully-designed cart with a full-load of 400 tons steadily started, slowly progressed, advanced, retreated, steered, lifted, and dropped. car. This mountain-like "Macro" movement is smooth and the scene is full of joy.
Recently, the “400-ton non-highway electric wheel mining dump truck†developed and manufactured by China Metallurgical Jingcheng (Xiangtan) Heavy Industry Equipment Co., Ltd. was put on the production line in Jiuhua Industrial Park, Xiangtan, Hunan Province. It is understood that the diameter of one tire of this vehicle is It is 4.03 meters taller than the height of two adults. It looks like the "Optimus Prime" in the Transformers. This car is designed to have a full load equivalent to the standard weight of six trains. The maximum speed is 64 kilometers per hour, with large volume, heavy load, light weight and other characteristics, can be used for coal, iron, copper, gold, oil sand and other open-pit mining and large-scale earth and stone transportation, can help large-scale outdoor mining companies Increase mining productivity and reduce transportation costs.
The personage inside course of study introduces: The frame of HMTK-6000 non-road electric wheel dump truck uses a large number of alloy castings and forgings and high-strength alloy steel plates, improves the fatigue resistance and low temperature impact toughness, and prolongs the service life. The vehicle has more than 20 items including the appearance of the vehicle, the main frame, the cab, the dump bucket, the hydraulic control system, the steering system, the suspension system, and the use of new types of proprietary intellectual property rights.
The HMTK-6000 non-highway electric wheel dump truck is the first domestic 400-ton ultra-large mining dump truck independently developed by China Metallurgical Jingcheng (Xiangtan) Heavy Industry Equipment Co., Ltd., which is the company's implementation of the State Council's "adjustment and rejuvenation of equipment manufacturing industry." Planning, major achievements in product structure adjustment and strategic goal transformation. The successful development of a 300-ton AC drive dump truck is only three months away.
It is reported that China Metallurgical Jingcheng has signed an intention contract with Australia's third largest iron ore exporter FMG and domestic Shenhua Group, China Coal Group, and China Datang Corporation. Soon, the model will be put into large-scale production. Zhongzhi Jingcheng (Xiangtan) Heavy Industry Equipment Co., Ltd. will also successively introduce 200 tons, 300 tons and other series products. It is expected that the total annual production scale can reach 200 units, and the annual output value can reach 5 billion yuan.
Extensive reading:
Mine trucks are produced by the China Ito Group and are non-road vehicles. They are mainly used in mining and engineering. They are more durable than ordinary trucks and have more load. From a structural point of view, it seems that there is not much difference between a mine car and an ordinary dump truck. It seems that it is only a "big" one. In fact, the mining car has an essential difference from the ordinary dump truck in terms of design concept. Normal dump trucks are used for road transport. Mining vehicles are designed to meet mine construction operations. Therefore, the entire vehicle and parts used in mining vehicles are considered in the mine operating environment and are designed and manufactured for such users. .
For Petrochemical Industry Chemical Pumps
Petrochemical pumps refer to pumps used in petrochemical industry. Because almost all the transporting liquid is flammable, and most of the temperature and pressure conditions are harsh, higher or highest level pumps are required.
Requirements for petrochemical pumps in petrochemical plants
a. For petrochemical pumps that transport flammable, explosive, toxic or precious media, shaft seals must be reliable or non-leak pumps such as canned motor pumps, magnetic drive pumps, pneumatic diaphragm pumps, etc.
b. For petrochemical pumps that transport corrosive media, it is required to use corrosion-resistant materials for the flow parts.
c. For petrochemical pumps transporting solid particulate media, it is required that the flow-through parts be made of wear-resistant materials, and if necessary, the shaft seals should be washed with clean liquid.
Must meet site installation requirements
a. For petrochemical pumps installed in the presence of corrosive gases, measures to prevent atmospheric corrosion are required.
b. For petrochemical pumps installed at an outdoor ambient temperature below 20 ° C, it is required to consider the cold brittleness of the pump and use low temperature resistant materials.
c. For petrochemical pumps installed in explosion areas, explosion-proof motors shall be used according to the explosion area grade.
d. For factories that require major maintenance once a year, the continuous operating cycle of the pump should generally not be less than 8000h. In order to meet the requirements of a three-year overhaul, API 610 (10th edition) stipulates that the continuous operation cycle of pumps for the petroleum, petrochemical and natural gas industries is at least 3 years.
e. The design life of petrochemical pumps is generally at least 10 years. API 610 (10th edition) stipulates that the design life of centrifugal pumps for the petroleum, petrochemical and natural gas industries is at least 20 years.
f. The design, manufacture and inspection of petrochemical pumps shall comply with the relevant standards and specifications.
g. The pump factory should guarantee the performance of the pump within the range of the power supply voltage and frequency. China's power supply voltage and frequency change range is: voltage 380V ± 10%, 6000V ± 10%; frequency 50Hz ± 1Hz.
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