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Customer Needs
Coal is exothermic. This means it will generate its own heat. In the Power industry power plants that are coal fired continuously move the large piles of coal to keep the coal cool. If not, a fire will start in the center of the pile and cause a major problem. Power plants have two problems with coal. If the coal is too hot when it is stored in the bunker a fire will develop in the bunker. If the coal is too cold in the winter it will freeze in the bunker and be difficult to remove. By measuring the coal on the conveyor belt the hot coal can be dumped onto the ground and cooled before it enters the bunker or if the coal is below 32°F (0°C) they put antifreeze on the coal. The cost of the antifreeze is very high so they want to be sure it is required.
The best instrument to measure this temperature is the Modline 4, Model 44-01C or 44-02F. A resolution of 1 degree can be detected. With alarms the customer can either apply the antifreeze or dump the hot coal. As a side note, coal transported in ships has to be checked to be sure it is cool enough. If it gets into the ship’s hold and begins to burn the ship’s captain has two choices. One, he can flood the hold to put out the fire, but that may sink the ship or he can let it burn and potentially still sink the ship. The ship’s captain demands a temperature record of the coal going into his ship to insure cool coal.
Features/Benefits
Product
- Modline 4 Model 44-01C or 44-02C
- Air purge if dirty atmosphere
Application
- Prevention of coal fires in the bunker or the ship
- Prevention of frozen coal in the bunker
- Prevention of excess usage of antifreeze for coal below 32°F (0°C).
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