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Cement Industry
To attain high quality and uniform material consistency in the finished cement, the raw material is homogenized in a so-called blending bed. The rock is distributed evenly over the blending bed with a stacker. Material is removed with a scraper. To ensure that the incoming material is distributed as evenly as possible, the level must be continuously measured.
Cement Industry
Before further processing, the cement is stored in tall silos. The cement is transported both in and out of the silo via pneumatic conveying. Efficient storage and transport of the product is ensured by accurate level measurement and point level detection, as well as also monitoring the pneumatic conveying system pressure.
Cement Industry
To produce cement, the raw meal is burned to clinker in a long rotary kiln. After leaving the rotary kiln, the clinker has a temperature of up to +1300 °C and must be cooled down to a temperature of about +200 °C for further storage. To achieve this, the clinker bed is cooled with a continuous stream of air. Pressure monitoring is required in the lower part of the clinker cooler to make the cooling as effective as possible. The material height of the hot clinker, at over 1000 °C on the conveyor belt, also has to be reliably measured.
Cement Industry
After the raw meal is burned, the emerging clinker of varying consistency is stored for further processing. The silos are filled and emptied through different openings. Continuous operation of the subsequent production processes is ensured by level measurement and point level detection.
Cement Industry
The air compressor system generates the necessary compressed air to transport the material from the silos via the network of feed pipes. To ensure a smooth, steady flow of material, reliable pressure monitoring in the compressors and conveying channels is required.
Cement Industry
Bulk aggregates are fed into production processes via conveyor belts or screw conveyors. For effective feed control to and from these processes, or inter-production unit billing, the mass flow of the conveyed bulk material must be measured. A reliable belt-weighing scale system and mass flow rate ensures accurate measurement and smooth operation of the plant.
Cement Industry
The transport of coarse and fine bulk solids within a stone processing facility takes place in most cases via conveyor belts. To achieve an even throughput and compensate for volume fluctuations during transport, belt transfer points are integrated in the conveyor line. The incoming bulk material is briefly stored in a buffer silo to prevent belt overfilling. This is the point where the level and the point level must be monitored.
Cement Industry
The large boulders are extracted from the solid bedrock with blasting. This very first stage in the process is needed to enable these very large rocks to be crushed by smaller, secondary jaw and roller crushers, which create the smaller sizes for screening to produce the basic building materials like gravel, grit or sand. To enable efficient, continuous operation and keep wear on the crusher as low as possible, level measurement and point level detection are required.
Cement Industry
In clinker production, cyclones are used to preheat the raw meal. Before the raw meal enters the rotary kiln it is preheated to +900 °C in the cyclone. Constant monitoring of the buildup thickness on the walls ensures a continuous process.
Cement Industry
Diesel is stored in tanks on construction sites to supply the construction vehicles with fuel directly on site. A sufficient supply of diesel fuel is essential for optimal construction site operation. Exact level measurement, in combination with wireless data transmission to a central location, ensures automatic, optimal provisioning of mobile containers at all times.
Cement Industry
Before being burned in the rotary kiln, the material from the blending bed and the aggregates are ground to a fine raw meal in large mills. The powdery material is then transported to the silo by a pneumatic conveyor system. Reliable monitoring of the level is essential for optimal raw material storage.
Cement Industry
Large amounts of energy are needed to burn clinker in rotary kilns. Apart from conventional energy sources such as gas, oil and coal, solid substitute fuels such as dried sewage sludge, old tires or meat and bone meal are increasingly being used. Since the required amounts of energy represent a significant cost factor in cement production, exact level measurement of the solid fuels is essential.
Cement Industry
To maintain a high quality and uniform material consistency in the finished cement, the raw materials are homogenized in a blending bed. To achieve this the rock is distributed evenly over the blending bed with a stacker. Material is reclaimed in reverse order with the help of a scraper. In order to optimally control the conveyor systems, their positions must be determined as precisely as possible.
Cement Industry
Large amounts of energy are needed to burn clinker in rotary kilns. Substitute liquid fuels such as spent oils or recovered solvents are often used for this purpose. The fuel storage tanks often contain a mixture of solvents, which can produce fumes and vapours in the air space. Due to the large amount of energy needed in cement production, the fuel inputs represent a significant cost factor, so accurate level measurement is essential.
Cement Industry
Dust-free, closed loading systems are needed for fine aggregates and finished products such as cement. Automated loading of trucks is preferred in the industry and, while the load quantity is determined with a weighing system, it must be ensured that the truck is in the correct place and not overfilled. Reliable point level detection and vehicle positioning shortens loading times, increases throughput and improves the efficiency of the entire system.
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