Concrete Crushing Equipment
Portland concrete
Portland concrete, the basic ingredient of concrete, is a closely controlled chemical combination of calcium, silicon, aluminum, iron and small amounts of other ingredients to which gypsum is added in the final grinding process to regulate the setting time of the concrete. Lime and silica make up about 85% of the mass. Common among the materials used in its manufacture are limestone, shells, and chalk or marl combined with shale, clay, slate or blast furnace slag, silica sand, and iron ore.
Concrete is a kind of fine grinding materials, when added to water then becomes a substance that can bind other materials such as sand, rock etc. together firmly. This substance can become hard both in the air and water. The concrete is one of the most popular building materials and engineering materials during inorganic nonmetallic materials, and is popular used in construction , water conservancy, roads, petroleum, chemical engineering and military engineering etc.
Concrete is termite-resistant, non-combustible, and can last up to fifty years if the mixture and timing is compatible. This can be very helpful when building a sturdy, stationary, platform or foundation on any residential or commercial property.
The concrete is an essential materials in building works and other structures for wide application, stable performance and the fine structure and properties of the finished products, and There could be no other material can be completely replace it in the future. Concrete is pulverized with the mixture of limestone, clay, and iron ore powder in proportion. At this time the mixture is called raw materials. Followed by calcination, the general temperature is of 1450 degrees. After calcination, the product is called clinker. Then according to a certain percentage, the clinker is mixed with gypsum. The mixture is then grinded to the required fineness. Here you have produced concrete. This is only a general description. Here you can learn about the whole process in detail.
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Concrete Production Line
1. Raw Material Preparation.
Mining of limestone (or sand, shale, clay, and iron ore) requires the use of drilling and blasting techniques. The blasting techniques use the latest technology to insure vibration, dust, and noise emissions are kept at a minimum. Blasting produces materials in a wide range of sizes from approximately 1.5 meters in diameter to small particles less than a few millimeters in diameter. Material is loaded at the blasting face into trucks for transportation to the crushing plant. Through a series of crushers, such as jaw crusher, cone crusher, impact crusher, mobile crusher, and screens, which both supplied by our company, the limestone is reduced to a size less than 100 mm and stored until required.
2. Raw Grinding (wet process and dry process).
3. Pyroprocessing.
4. Finish Grinding and Distribution
The black, nodular clinker is stored on site in silos or clinker domes until needed for concrete production. Clinker, gypsum, and other process additions are ground together in grinding mill, such as ball mills, vertical mills, to form the final concrete products. Fineness of the final products, amount of gypsum added, and the amount of process additions added are all varied to develop a desired performance in each of the final concrete products.
Concrete making process flow :
1) Limestone crusher;2) Limestone prehomogenizing yard;3) Batch calculation; 4) Additive; 5) Crusher; 6) Additive yard; 7) Dust collection; 8) Raw mill; 9) Homogenization silo; 10) Feeding calculation;11) preheater;12) Humidifier tower; 13) Rotary kiln; 14) Cooler; 15) Raw coal;16) Coal yard;17) Electric precipitator;18) Coal mill;19) Burgy precipitator; 20) Clinker silo; 21) High pressure grinding roll;22) Ball mill;23) Gypsum; 24) Concrete precipitator; 25) Concrete storage;26) Packer;27) car stowage; 28) car loader;29) train stowage;30)port silo;31)bulk concrete
Concrete crushing equipment
Concrete crushing equipment usually refers to jaw crusher, impact crusher, cone crusher, mobile crusher, sand making machine, and the newest VSI5x crusher. Shibang is a professional concrete crushing equipment manufacturer. We can provide you with the best suitable concrete crushing equipment and the concrete crushing plant solution. Welcome to purchase Shibang concrete crushing equipment.
The characteristics of raw materials for the concrete production differ at a wide range. The limestone deposits used today as base materials, show very different properties regarding hardness, abrasiveness and stickiness. To optimize the crushing process as well as the investment and operating costs, different types of crushers are available.
Concrete crushing equipment selection
In the selection of equipment types and specifications something followed should be paid attention:
1. The equipment types and specifications should meet the requirements of production capacity and adapt the process conditions, the work environment.
2. The efficiency of equipment. The efficiency of equipment is composed of a series of technical parameters. In the selection of equipment, the efficiency of equipment must adapt your own production technology parameter.
3. Reliability of equipment. Not only the equipment can produce high quality products, but also has low failure rate. Reliable operation and stable qualified products are also the important issue .
4. The low energy consumption and high energy saving of the equipment.
5. The safety and environmental protection. Safe and reliable equipment with the environmental pollution is helpful to realize clean production.
6. The sets of equipment is completed whatever device is single or units.
7. The maintainability. Good maintainability requires simple structure, reasonable combination of equipment parts, a high degree of standardization, strong repairable, etc.
8. The service life of equipment (durability). Under the premise of ensuring product quality, long service life is important.
9. In the first purchase of equipment investment, the reasonable cost of equipment should be considered, not simply pursuit "cheap equipment".
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