A kind of impurity removal device for construction solid waste sand making

Abstract

The invention relates to the technical field of resource regeneration equipment, and discloses a device for removing impurities for construction solid waste sand making, including a frame and a rotating shaft. End pedestals for mating with connecting shafts. The impurity removal device for construction solid waste sand making is under the three-layer sealing effect of the first seal, the second seal and the connecting shaft, and uses clean water to flow between the first seal and the second seal. Separate the sewage, and then use the water guide device to lead the water out of the water collection chamber, so that the connecting shaft that plays the main load-bearing role always works in a relatively clean environment to ensure its service life. Secondly, due to the first seal and the second The second seal mainly plays the role of reducing the penetration speed, so that the slight damage of the first seal and the second seal working in a relatively harsh environment will not affect the isolation effect, making the overall reliability of the equipment higher and reducing the frequency of maintenance.

Description

technical field [0001] The invention relates to the technical field of resource regeneration equipment, in particular to an impurity removal device for sand making from construction solid waste. Background technique [0002] Construction waste is crushed and made into new sand and gravel aggregates, which can not only reduce the demand for natural ore, relieve the tension of aggregates, but also avoid the accumulation of a large amount of construction waste, and reduce the manpower and material resources consumed in the process of waste disposal. Has great potential for development. [0003] Due to the complex composition of construction waste, impurities need to be removed before and after sand making. Generally speaking, metals with high recycling value will be recycled manually, while other materials with lighter quality and lower recycling value will be recycled directly. It is removed by washing. At this stage, a washing auger is usually used to wash the sand. However,...

AI Technical Summary

Problems solved by technology

[0003] Due to the complex composition of construction waste, impurities need to be removed before and after sand making. Generally speaking, metals with high recycling value will be recycled manually, while other materials with lighter quality and lower recycling value will be recycled directly. It is removed by washing. At this stage, a washing auger is usually used to wash the sand. However, when the washing auger is working, at least one end is always under the water. Sewage mixed with a large amount of sediment often seeps into the bearing seat, and the sediment increases the seal. The friction force increases the rotational resistance of the bearing, accelerates the wear of the seal, further accelerates the infiltration of sediment, and greatly reduces the service life of the bearing. In severe cases, the phenomenon of shaft holding will occur, affecting production efficiency and bringing economic losses.

[0004] Furthermore, due to the complex composition of construction waste, the washed impurities are more or less corrosive, and the corrosive sewage contacting the shaft sleeve will accelerate the wear and tear of the shaft sleeve and increase the frequency of downtime and maintenance.

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