20:15:39 PM 1/17, 2021

Concrete Bacthing Plant Work Flow


Today we will talk about the production of, probably, the most important building material for almost 2000 years - concrete. It is concrete that forms the basis of any large and medium-sized project in construction, its remarkable properties and the price-quality ratio can not yet surpass other construction materials. 

Concrete is a product of mixing the four main components, water, sand, gravel and cement. But special additives for concrete and plasticizers can also be added. They give additional properties to concrete. Crushed stone is the main filler, taking on the load, sand fills the space between the crushed stone, for an even load transfer, well, and water in conjunction with cement gives the reliable bond that holds all these components together. It is from the amount of cement that different brands of concrete are distinguished - the greater the amount of cement, the higher the grade. But here you need to know that with a certain amount of cement, when there is a lot of it, the connection of the components is broken, and instead of a strong connection, we get the opposite result.

About how to prepare concrete, says its composition, the main process of preparing concrete is mixing all the components in a certain proportion. Therefore, a concrete plant can be divided into several separate elements.

How to store materials

A place to store crushed stone and sand. Usually this is an open area, with a convenient entrance, where crushed stone and sand initially come from freight cars or dump trucks. It is very important to ensure a convenient access of equipment to the site.

Cement silo is a cement warehouse. It is a large metal barrel, placed vertically on metal supports. At the bottom of the silo there is a cone so that the cement better falls out of the silo. The silo is loaded with cement through a pipe or sleeve, which runs from bottom to top to the top roof of the silo. A cement truck through this pipe through a compressor delivers cement to the silo with compressed air.

In this process, part of the cement can exit through the top silo valve mounted on the roof of the silo, so in order not to pollute the environment, you need to install a silo filter that will protect the atmosphere from cement dust. To find out the cement level in the silo, level sensors, lower and upper, are installed inside, and humidity sensors are sometimes installed.

Unloading of cement from the silo usually occurs through the lower cone-shaped part of the silo, into the auger. The auger is a screw conveyor for bulk materials. The transfer of material in it is carried out on the principle of an Archimedean screw. The auger goes from the bottom of the silo cone to the weight cement dispenser mounted above the concrete mixer. The cement dispenser is a small container suspended on load cells, when the desired weight is reached, the flow to the dispenser is stopped, and the cement from the dispenser enters the concrete mixer.

Usually a hopper is a large metal cone (for the convenience of pouring out material), under which a belt conveyor is suspended on strain gauges. That is, when the material is spilled from the hopper, through the shutter in the bottom of the hopper, the material falls onto a conveyor belt suspended like scales on load cells. The sensors fix the desired weight (necessary for the given concrete consistency), and when the desired result is achieved, the hopper shutter closes.

Concrete Bacthing Plant Work Flow1

Concrete conveyor

A little bit about the device of the conveyor belt for a concrete plant. It consists of two long channels (or I-beams) of size 14-20 of the desired length (depending on the number and size of the hopper under which the conveyor is installed), interconnected by short sections of channel size 10-12. Along the entire length of the channels, racks for attaching the conveyor belt rollers are welded. The rollers should be able to be easily replaced, so they are a mechanism with increased friction.

At the ends (along the length of the channel) bearing assemblies are installed for mounting the tension drum and drive. The drive drum is connected through a clutch to a gearbox, which in turn is connected to an electric drive. It is through the drive drum that traction is transmitted from the engine to the belt, which is why it is called drive. The tension drum serves to pull the conveyor belt, and has a special mechanism for this. In addition to these main structural parts,The next step is to mix with a concrete mixer to produce concrete.

High-quality concrete can allow a company to obtain high profits. As a mixing plant manufacturer with more than 30 years of production experience, we have many real cases, whether it is because of the small site or special requirements We can solve all kinds of real cases. If you want to know the detailed information of the equipment, you can contact us.

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