The difference between dry sand production line and wet sand production line

SHANGHAI SHIBANG MACHINERY CO., LTD is one high-tech enterprise, which involves R&D, production, sales and service as well. In the past 20 years, we devote to producing mining equipments, sand making machines and industrial grinding mills, offering expressway, rail way and water conservancy projects the solution of making high grade sand and matched equipments.

The difference between dry sand production line and wet sand production line

The sand production line (sand production line) process can be divided into: dry sand production line and wet sand production line. For friends who are new to the sandstone industry, the dry sand production line and the wet sand production line are unclear. Today, Zhengsheng Heavy Industry has made some simple knowledge popularization.
The dry sand production line process is further developed on the basis of the traditional wet sand production line. The dry sand production line consists of a hopper, a vibrating feeder, a belt conveyor, an impact sand making machine, a vibrating screen, a hoist, a high-efficiency classifier, and a silo group. The reason why it is called dry sand making is relative to wet sand making. In the process of producing sand, the process of washing out the mud powder in the sand does not require water, so it is called a dry sand making machine.

In the processing of stone materials, due to the intense collision and the stone itself has a certain amount of soil, the artificial sand contains a certain amount of stone powder and mud powder. The presence of mud powder will seriously affect the grading of the sand. However, the presence of stone powder can make up for the large gap caused by artificial sand in concrete, the need for large water volume and poor fluidity. In order to solve the problem of the amount of artificial sand containing powder, people have created a stone washing machine, which removes the mud powder in the sand by the washing of the stone washing machine, so that the artificial sand reaches the standard of the building sand. It is a wet sand production line.

The dry sand production line (sand production line) has several advantages over the traditional wet sand production line:

  • 1. Get rid of the limitations of the environment. The dry sand production line is not restricted by water source and environment. Artificial sand making can also be carried out in places where water resources are scarce. The traditional wet sand production line must carry out the mechanism sand in the water-rich area, and the winter in the north is generally It is impossible to carry out production. Otherwise, the sand produced is not cleaned by enough water. The amount of mud powder and stone powder in the sand is too much, which will seriously affect the gradation of the sand.
  • 2. Reduced production costs. The traditional wet sand production line requires a large amount of water for sand washing while producing sand. To a certain extent, the user increases the amount of water input, while the dry production line does not require water investment. To some extent, the investment in funds has been reduced.
  • 3. It is more conducive to environmental protection. The wet sand production line requires a large amount of water to clean the sand during the production process. From a certain perspective, it is a waste for water resources, and the washing of the stone powder produced in the production process is also a waste of mineral resources. The dry process line does not require water for cleaning, and the stone powder produced in the production process can be rationally utilized, thereby saving water resources and mineral resources to a certain extent, and being more environmentally friendly than the wet process line.
  • 4. Make the artificial sand grading better. After the powder separator, the mud powder in the artificial sand can be removed to meet the standard of construction sand, and the stone powder content in the artificial sand can also be controlled by the classifier within the national regulations, thereby improving the compressive strength of the concrete. And the workability of concrete.

The wet artificial sand stone production process has a long history and is suitable for areas with heavy rain and abundant water resources in the south. In the southern region, the temperature is high and the rain is high. The red soil content of the sand and gravel raw materials is high, and the degree of weathering is relatively high. Compared with the northern regions, the hardness of the same kind of material is small, and the processing is easy to form fine powder, which is wrapped on the surface of sand and aggregate, affecting sand, Aggregate quality.

The wet artificial production of sand and gravel has the advantages of:

  • 1. The surface of the aggregate and sand produced is clean, the perception is good, and the sand quality is good;
  • 2, using a lot of water to rinse, the production environment is free of dust pollution.

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