With the development of infrastructure in full swing, the demand for sand and gravel aggregate has risen sharply. However, the shortage of environmental inspectors and natural sand resources has led to the skyrocketing price of machine-made sand, which is in short supply. A large amount of construction waste not only pollutes the environment, but also consumes manpower and material resources to deal with it. These two points show that construction waste has great development potential, and it can be used in the construction industry after being crushed into sand, which can effectively alleviate the shortage of aggregate.

Making sand from construction waste is not a scam.

The project of construction waste crushing and sand making machine has been encouraged and popularized by the state, and relevant policies have been issued to support construction waste sand making and rationally utilize waste resources. In addition, many users have established sand production lines for construction waste and gained a lot of benefits. Therefore, it is not true that construction waste is a scam.

Two. Sand making technology of construction waste 1. The first stage of sand production from construction waste: primary crushing

The raw materials of construction waste are conveyed to the jaw crusher by a vibrating feeder through a belt conveyor for preliminary crushing, and the crushed materials are screened by a vibrating screen, and those that do not meet the requirements are returned to the jaw crusher for crushing again;

2. The second stage of sand production from construction waste: secondary crushing.

The materials crushed by jaw crusher are transported by belt conveyor to cone crusher or impact crusher for secondary crushing, and then screened by vibrating screen, and those that do not meet the particle size are returned to crushing equipment for secondary crushing;

3. The third stage of sand making from construction waste: crushing and molding with sand making machine.

The raw materials of construction waste after secondary crushing are transported to the sand making machine (impact crusher) by belt conveyor for final crushing and molding, so that the grain size of sand and gravel is more uniform and the grain shape is good.

4. The fourth stage of sand production from construction waste: packaging and storage.

Drying the finished sand, and finally packaging and storing.