Cement – Asphalt – Quarry
Industries
Level Switch in aggregates.
Drexelbrook Level Switch: Cement is made up of a multitude of different aggregates. The detection of high or low levels is accomplished with Drexelbrook RF admittance level switches that offset the deposit of dust and particles in the air generated by the process and material handling. This increases the lifetime of level sensors and significantly reduces the periodic maintenance normally required.
Temperature measurement of a..
Elpro Wireless systems: Rotary ovens, or Kilns, require precise control of the internal temperature. Formerly, we used copper rings with shoes as a contact called “ Sleeping Ring“. This system is very costly in maintenance and is now replaced by wireless systems like Elpro and OleumTech. Wireless systems are not energy intensive and require very little maintenance.
Rotating oven temperature mea
Williamson’s Infrared Pyrometer: Williamson’s infrared pyrometer for the oven temperature detection installed in the flamme side can read the bed of the rotary kiln without being affected by the flame. In addition, the pyrometer can read through certain gases contained in the rotary kiln such as H2S which is seen as a wall for some infrared pyrometers. Williamson allows greater accuracy of reading and better control.
Plugged Chute Detection.
Drexelbrook sensors: For plugged chute applications, Drexelbrook has a switch plate RF admittance that is installed in the chutes and is the same level as the walls. Thus, this system can not obstruct the process and can not cause blocking. This probe also has the anti-clogging Drexelbrook system and requires no maintenance.
Laser distance measurement de...
LDM301A: Laser distance measurement device for distances up to 3000m The LDM301A measures the distance to targets up to 3000 m away with a precision down to the centimeter.
Quarry lake level reading.
Drexelbrook & SOR hydrostatic probes: The hydrostatic sensor can give real-time lake levels and control the pumping of water. This reading is critical for quarries and is very often transmitted to the control room with wireless systems like Elpro and OleumTech.
Carbon balance mixer weight...
Hardy scale & LSI: During the preparation of the carbon recipe blender, the Hardy scale is very useful to measure the weight of the different powder components used in the recipe. Its anti-vibration system allows it to accelerate this mixture accurately and increase the pace of production.
Aluminum ingots level measur....
Dimetix laser: At the finished stage, aluminum ingots have become solid and its color matt. It is very easy to measure their heights with a non-contact Dimetix laser to check their sizes before shipping. The laser is useful in this application because the ingots are generally still very hot.
Vibration measurement of bear..
Wilcoxon Vibration transmitters: The bearings are huge and very critical on rotary kilns. It is therefore important to read the vibration in real time. Analog output Wilcoxon Vibration transmitters remain a very economical solution and can carry the signal over long distances without compromising the accuracy of it.
Anode weight measurement.
Hardy scale & LSI: When the anodes are molded and transported suspended on a conveyor, a conveyor section is converted into a scale to ensure quality control of the weight of anodes delivered to production. Hardy scales are adapted perfectly to read the weight without the vibrations generated by the suspended transport of anodes and thus gives the exact value of the weight of the anodes.
Conveyors weight measurement.
Hardy scales & LSI: In aggregates, asphalt and stone transportation, conveyors are used as a common means of transport of raw materials and finished goods. The measurement of weight on the conveyor is the most common way to measure the product. Hardy scales, with their anti-vibration systems, give an accurate reading of product weight that allows a uniform and repetitive dosing. This measurement can, thereafter, be wirelessly transmitted by way of the LSI modules.
Flame detection of the rotary...
Iris System: Each burner from which emerges a flame must be equipped with a flame detector. Iris has a high-performance system that can detect the flame in several ways. The flame detector can combine the infrared and ultraviolet technologies in the same detector and is also equipped with a gas explosion frequency detector on the burner. It is very effective in eliminating other flames in a multi-flame system.
Point level measurement.
The X90 Point Level Monitor detects the presence of material at a given point in a tank, hopper, chute or process pipe. All components are mounted externally to the process vessel making the system ideal for monitoring the most dangerous materials such as caustic, toxic, corrosive, explosive and carcinogenic irrespective of their temperature. The modular design is ideal to upgrade older systems while keeping the existing sources.
Level measurement in tanks.
Dimetix & Optech lasers: In quarries, there are often reservoirs or aggregate piles that are huge. The laser is the best technology for reading the level of these piles. The laser is also the only technology that can read the level at an angle. The Optech laser is very good in dust-related applications.
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