Founded in 1997, DSMAC Group is a crusher and sand making machine manufacturer with a complete line of crushing, grinding and screening equipment. Our equipment can be used in the mining, building materials, metallurgy, transportation, coal, chemical, and environmental protection industries.
Concrete Grinding information
Concrete is pulverized with the blend of limestone, clay, and iron ore powder in proportion. At this time a combination is known as recyclables. Accompanied by calcination, the overall temperature is of 1450 degrees. After calcination, the item is known as clinker. Then in accordance with a specific percentage, the clinker is mixed with gypsum. A combination is then grinded to the required fineness. Here from your farm concrete. This is merely a general description. Here one can learn concerning the whole process in more detail.
1. Crushing and Pre-homogenization
(1) Concrete Crushing. During producing Concrete, the majority of the recyclables must be first crushed before used to make concrete. Among these garbage such as lime stone, clay, iron ore and coal, etc. the lime stone is of the greatest usage to make concrete. With comparatively larger particles and higher hardness, crushing the lime stone to required fineness after mining is of relatively important consequence among crushing those raw materials. There are numerous crushers utilized in crushing these garbage, including jaw crusher, impact crusher, cone crusher and vertical shaft impact crusher, etc. In line with the raw materials'different particles and hardness, there are numerous suitable crushers which can be utilized in the crushing.
(2) Pre-homogenization of recyclables. Pre-equalization technology is to use the scientific stacker reclaimer technology to appreciate the original homogenization of recyclables, to ensure that garbage yard gets the functions of storage and homogenization concurrently during the process of the retention of raw materials.
2. Raw Material Preparation
It takes at least 3 ton materials (including raw stuff, fuel, clinker, compound and gypsum) to make 1 ton Portland concrete throughout the production. Based on figures, the standard type dry process concrete of clinker consumes a lot more than 60% energy from the whole factory. Therefore the range of grinding machines is very important.
3. Raw material Homogenization
In the act of recent dry concrete production, the steadiness of pit entry clinker raw material component will be the premise with the whole system. Raw material homogenization system plays extremely important role in the stability of pit entry clinker raw material component.
4. Pre-heater and calciner
Preheating the recyclables and decomposing partly in pre-heater, which lessen the works of rotary kiln, can shorten the size of rotary kiln. After having a series of physical process in the shorter rotary kiln, the power consumption of this technique enhance the efficiency and reduce consumption.
(1) dispersing materials. 80% heat transfer process happens in the entrance pipeline. The garbage fed in pre-heater, meeting the high speed updraft, move up with all the airflow and acquire dispersed.
(2) Gas-Solids Separation. Once the airflow enters into cyclone muff with powder, it must spiral and move down meanwhile. Finally, it arrives towards the end of the cone then upwards and discharges from vent pipe.
(3) Predecomposition. The appearance of predecomposition is really a leap of concrete burning technology. This process is featured with quality, efficiency and low consumption, etc.
5. The burning of concrete clinker
Garbage will probably be preheating and pre-decomposition in the cyclone preheater after which completed in to the rotary kiln for clinker burning. After the clinker burning, the temperature starts to fall. Finally with all the concrete clinker cooler, the temperature of high-temperature clinker discharged from your rotary kiln is going to be cooled to the temperature that is suitable to downstream transport, store, and concrete. Concurrently, the sensible heat of high-temperature clinker will probably be recycled, which improves the thermal efficiency and clinker company's system.
Grinding may be the last process of concrete produce and in addition is easily the most current consuming working procedure. Concrete clinker get grinded into the right size. Small the particle size is, the higher the final concrete is. There are numerous grinding machines suitable to grind the concrete clinker, such as ball mill, vertical mill, high pressure suspension grinding machine and Raymond mill, etc. We will choose suitable grinding machine to suit your needs according to your requirements. With reliable quality and Certification authority, you can trust us.
7. Concrete Packaging
What you ought to focus on after producing concrete is concrete packaging. It's important to intact the chemical and physical properties from the concrete for an extended time frame.
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