Typical Applications:
In-line moisture sensors can be used for most powders and bulk solids processes that incorporate conveyor belts, screw conveyors, pipes, chutes etc. (See image below)
Common target materials include:
Cement, Sand, Aggregates, Coal, Feed and Grain, Cereal, Malt, Flour, Sugar, Spices, Potato products, Dried Food / Products, Wood Shavings, Chemicals / Fertilizers, Powder, Pigments, Plastic granules and more.
Installation Options:
HumiCore moisture sensor in a screw conveyor application
Application Example:
The company felt that an in-line (on-line) moisture measurement sensor would help them achieve their goals. The moisture monitoring of the sand would assist them in two important ways:
The company did some research and decided to use the HumiCoreTM PRO in-line (on-line) moisture measurement system. Before the sensor was installed, the company and sensor manufacturer collaborated to determine the optimal location to place the sensor. The moisture sensor was installed immediately following the dryer using a sled to glide across the surface of the sand. At this point, the sand is being conveyed to the size-sorting screen. If the sensor detects a higher level of moisture in the material than desired, an alarm is sent to the control room. Then a chute can divert the sand back to the dryer before it is re-sent through to the sorting screen. Using an optional DIN-Rail transmitter, the company was able to have the output signal of the moisture sensor integrate easily with their other control functions. The HumiCore system has been successfully working as anticipated and the company is very pleased with the results.
HumiCore moisture sensor mounted on a sled in a silica sand conveyor application
HumiCore PRO sensor and transmitter
Technology Review:
Continuous in-line moisture measurement sensors used for process monitoring of product moisture in solids and emulsions applications are usually based off of a few common technologies. These technologies include near infrared (NIR), high frequency field and microwave. The HumiCore™ Pro moisture sensor, chosen by the example company, uses a circuitry principle that is centered around an electrical high frequency field. This is based on technology that has been developed and proven to be successful over several years.
There are several benefits of high frequency field technology including:
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The DustTrendTM ES, Monitor Technologies' latest dust monitoring / leaking filter detection system, has an easy auto set-up function that is activated by pressing a button to automatically configure parameters / alarms. The DustTrend ES dust emission trend monitor adds the ability to provide continuous trend measurements that allow plant operators to identify changes in dust emission levels and optimize the facility's filtration systems. It also provides 4-20mA analog output and/or Modbus(RS-485) output. The monitor delivers excellent repeatability that is not affected by variations in relative humidity, process temperature or pressure. It uses proven AC Triboelectric technology with advanced algorithms to filter out noise and provide the most accurate dust measurement. Ideal for monitoring the level of dust emission in dust collection systems (exhaust ducts of bag-houses, cartridge collectors, cyclones, etc). Anywhere it is critical to safety, maintenance, equipment operation, plant efficiency (energy-savings), employee welfare and the environment.
Also available is the DustAlarm® ES with easy auto set-up, which is an economical broken bag detector / filter leak monitor that provides an alternative to opacity detection.
Both monitors can be connected with the free DustConfigTM software to set custom alarm points, view live activity within the duct, or review data history for up to a 24-hour period.
Additional features for both units include two conduit openings, bi-color LED indication, die-cast aluminum housing and USB mini-B port for communication with DustConfig software.
Ask us about upcoming Hazardous Location Approvals.
For more information please visit www.monitortech.com, e-mail [email protected] or contact us at 1-630-365-9403.
Link to the dust monitor Web page: http://www.monitortech.com/product_pe.shtml
SiloTrackTM Cloud remote inventory management system is a web-based application that allows users to monitor current vessel levels, receive notifications, access/create reports and more at any location, any time using any device with an Internet connection. Manage one silo or multiple locations with various storage vessels. Securely view distance, level, volume, weight, percentage and ullages (empty space) for silos. It truly provides an intuitive, flexible and powerful interface for Monitor’s continuous level sensors to optimize inventory management of stored materials. For more details, please visit: https://www.monitortech.com/silotrack-cloud.shtml