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Large-height, high-speed vertical plate chain hoist fills the domestic gap


Large-height, high-speed vertical plate Chain Hoist fills the domestic gap

The national-level torch project developed and produced by Hebei Sanhe Great Wall Conveyor Manufacturing Co., Ltd., a large-height (76m), high-speed vertical plate-chain hoist has recently passed the expert appraisal organized by the China Building Materials Machinery Association.

China's hoisting machine industry started relatively late. In the past, the hoisting machine for rotary kiln tailings used in the cement industry had a height of more than 70 meters. The domestic commonly used methods were wind transmission, belt conveyor transportation, and relay transportation of two elevators. . These three methods have the inevitable drawback of lifting the conveyor. Wind power transmission has a large power consumption, more than 400 kilowatts per hour, high noise, dust; belt belt machine as a joint piece of belt fatigue life is short, easy to damage, update costs, long working hours; and two relay lifting equipment, high cost Due to its large floor space, most of the elevators used by many manufacturers are imported from Japan's Sakamoto and Datong companies. They are expensive, and have long lead times when replacing spare parts and consume much foreign exchange. Domestic plate chain hoists have key parts chains, which have problems such as low use reliability, short use time, easy breakage, production line production suspension, and loss to the enterprise. Users call it a "heart-raising machine."
Prof. Wen Shizhu of Tsinghua University and academician of the Chinese Academy of Sciences who participated in the appraisal meeting believed that the key components of the large-height, high-speed vertical plate-chain hoists developed by Great Wall Conveyor Manufacturing Co., Ltd. are the “forced symmetrical multi-plate axle chains” adopted by the company. With technological innovation, it is the first in the world. This kind of chain has long service life and high reliability. It overcomes the shortcomings of short hoisting chain life, easy to break, and low reliability. It has filled the domestic high-speed, high-speed vertical board chain. The blank of the hoist has reached the international advanced level.
The experts also agreed that the product can fully meet the service requirements of a vertical elevator with a height of 76 meters. The equipment operates smoothly without vibration and without shaking.
The relevant unit of Beijing Cement Plant, which uses the machine, introduced that since the machine was put into use in April 2002, it has been operating in a stable manner for 8 months and has never experienced any failure, showing the same excellent quality as the similar equipment imported by the plant. . The raw material lifting equipment used in the rotary kiln and kiln of Beijing Cement Plant is a sliding vane compressor and Fuller pump. Its energy consumption is large, the installed capacity is 425 kilowatts, the noise pollution is serious, the noise is over 120 decibels, and the failure rate is High spare parts replacement cycle is short and the average annual spare parts cost is more than RMB 200,000. The large-height, high-speed vertical plate-chain elevator developed by Great Wall Conveyor Manufacturing Co., Ltd. has an installed capacity of 100 kilowatts and can save 2.3 million kwh per year. This alone can save electricity costs by 96 to 60,000 yuan. Moreover, the machine has low noise, small dust and stable operation. It has created favorable conditions for enterprises to save energy and reduce consumption, improve equipment operation rate and noise pollution control. The participating experts also believe that the successful development of the aircraft will produce very good economic and social benefits and a broad market prospect.