Industrial heaters VIDEO
Chemicals with acidic properties often require a lower watt density to prevent the erosion of a sheath (stainless steel 316 is often used) in which case for larger containers, Wattco flanged heaters are used. For smaller mixtures, often 500 gallons or less, screw plug heaters are used for their ease of use and maintenance.
Larger containers that do not have access openings on the bottom of the tank, or polypropylene tanks with open covers often use Wattco over the side heaters where they can rest on the side of the tank wall and emanate heat to the extremities of the tank basin. Cold section risers are available to prevent jeopardizing the structural integrity of the polypropylene tank. Horizontal elements found at the bottom of the tank use heating properties (heat rises) to heat up the chemical mixture from the bottom up. This efficient use of this electric heating element allows for your mixture to be thoroughly heated to your target temperature without any worries of damage to the structural integrity of your tank. Additional benefits of over the side heaters include the ability to move the element to several tanks, reducing overall costs of purchasing more than one heater for your application.
Applications of Over-The-Side heaters in the Chemical Industry
As one of the best practical and economic products, over-the-side immersion heaters have become an important part of the chemical industry, where solutions are heated and surrounding is protected with their quality to resist corrosive elements. Every product has its owner specifications, dimensions, weaknesses and strengths that make it suitable for a certain kind of job. Most heaters are custom designed, having a thermowell and various tubular elements to control the temperature and other operations.
They are economically feasible with mobility and flexibility that declare them usable in different projects, no matter if they are constructed with stainless steel or exotic alloys.
Over-the-side heaters are categorized into different groups according to their nature and strengths. Some of them are:
· Copper sheath heaters
· Steel sheath heaters
· Stainless steel heaters
· Teflon coated heaters
· Cast-iron heaters
· Lead sheath heaters
· Titanium sheath heaters
And, below are their industrial applications:
Copper sheath heaters
These heaters are capable of heating clean water with pH 6 to 8.
Steel sheath heaters
These over-the-side immersion heaters are useful for chemical companies to heat degreasing solutions, alkali, solvent type oils, soaking cleaners, medium weight oils, heat transfer fluids, soaking cleaners and caustic solutions. The low watt density heaters are designed to work on wax, paraffin and heavy oils.
Stainless steel heaters
Chemical industry uses them for heating alkaline cleaners (electrified), copper sulphate, wash tanks, alkaline soaking cleaners, electro cleaners, dip tanks, alkali, detergent, soda, caustic and other fluids.
Teflon coated heaters
This series of over-the-side heaters is used in chemical industry for heating alkaline solutions, hydrochloric acid, sulfuric acid solutions, electroless copper, hydrofluoric fluids and ammonium bi-fluoride.
Since over-the-side heaters are available in huge ranges of versatile heating elements, you will find their series ideal for heating metals like stereotype metals, solder and tin. These heaters normally work below 950 degree F and therefore, make themselves perfect for heating metallic objects.
Titanium sheath heaters
Used to work against corrosive solutions, titanium sheath heaters can efficiently work in chemical industry, whether it is silver, chrome and gold plating or gold, nitric and chromic acid. Companies will always find them perfect for any sort of heating procedure. All they have to do is to determine the type of medium and come up with the right choice.
Lead sheath heaters
It is another worth considering type of over-the-side heaters that is recommended for copper and nickel plating baths, sulfuric acid solutions with below 10% concentration, pickling solutions and electric-plating baths.
An excellent choice for open tanks. These are custom designed for your specific tank dimensions with a digital control panel (or a mechanical thermostat) for accurate temperature control. The mobility of these units allow for users to use one heater for multiple tanks if required.
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