Liming Heavy Industry
Tunnel slag refers to the stone waste excavated during the construction process. Due to the influence of construction technology, construction organization and other factors, a large amount of tunnel slag and excavation roadbed gravel cannot be reasonably utilized, and special spoils need to be laid out. The field is abandoned. This not only occupies land resources, but also affects the environment, and sometimes causes safety hazards due to improper disposal. The tunnel debris is mostly sandstone and granite, which are hard in texture. The gravel obtained after being processed by relevant equipment is not only of good quality, but also has uniform particles, and can be used as concrete construction aggregate in actual production. So what kind of machine is used to process gravel from tunnel slag?
Generally speaking, the processing of gravel from cave slag adopts a three-stage crushing process, namely coarse crushing, medium crushing and fine crushing. The required equipment is divided into a combination of jaw crusher + cone crusher + impact sand making machine according to the characteristics of cave slag.
1. Coarse crushing stage: Jaw crusher, commonly known as "Tiger's Mouth", can be used for primary crushing of large pieces of cave slag materials. It can be used for coarse crushing of various cave slags with a compressive strength of 147-245MPa. It has the ability to crush It has the characteristics of large ratio, neat discharge, simple structure, convenient maintenance and low operating cost.
2. Intermediate crushing stage: Cone crusher can be used as an intermediate crushing equipment for cave slag. The key components of the crusher are all wear-resistant, and the service life can be increased by more than 30%, which greatly reduces maintenance costs and equipment downtime. In addition, the unique layered crushing principle is used to achieve good crushing effect between particles. , fewer needle stones and more uniform particle size.
3. Sand making stage: The sand making machine is mainly responsible for making sand and shaping the crushed cave slag stone with qualified particle size. It is one of the core equipment for cave slag sand making. It has the characteristics of stability and reliability, low production energy consumption and high sand making efficiency. High, vortex air pressure self-circulation, low operating noise, green and environmentally friendly.
Liming Heavy Industry has nearly 40 years of experience in the production, installation and commissioning of sand and gravel equipment. It has the ability to undertake general contracting of various large, medium and small sand and gravel production lines (including design, civil engineering, installation, customization of accessories, personnel training, and on-site maintenance). It has The professional sand and gravel line equipment installation team can install and debug 5-8 sand and gravel production lines on site at the same time. And as a direct sales manufacturer, the equipment quotations we give are also relatively reasonable. Friends in need can contact us at any time, and professional product managers will answer your quotations online in real time.
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