Monday, September 21, 2015

Knowledge On Heat Exchanger Tube Plugs

By Daphne Bowen


When it comes to selection of the devices to be used in heat exchange, it is the house engineers and designers who have to take action. Also, the tube plugs manufacturers have their role to play. Going about it blindly will give a bad outcome. Water quality, design of the devices and techniques of operating and maintaining the devices affect the choices made. Below is an outlook of facets of heat exchanger tube plugs.

On water quality, consider the temperature, PH, residual manganese and chlorine, sulfide level, chloride level, dissolved oxygen, the water purity and the tendency to form sediments. Ions of iron, sodium, magnesium and calcium are less likely to form deposits and this is why their concentration goes up in coolers of water boilers. The type of alloys used to make the plugs depend on the chloride concentration in the H2O .

Soluble oxygen many a time causes corrosion of converter tubes. To prevent this, protective compounds should be added. Their mode of action should address reduction of amount of oxygen in water. Copper allows are lacking when it comes to protection in water highly concentrated with oxygen. An excellent alternative titanium.

When chlorine is dissolved in water, the compounds formed are highly corrosive. For those who are keen on matters touching on water, you already know that the main water purifier in the world is chlorine. For this reason tube plug manufacturers have to think about how to address the problem chlorine causes to water plugs because its use cannot be avoided. The situation is intensified if the water is hot.

Less pH indicates the presence of strong acids. These compounds have high corrosive powers. In addition, alkaline solutions have a similar effect. Ensuring these compounds are not in high concentration in the water can effectively address the situation. The pH should be kept as near neutral as possible.

Discoloration of water as it gets deposited is seen if the ions of manganese element and iron are high in water. Some plugs perform badly when the H2O is fresh. Understanding the properties of the product that will be passing through the tube will guide you in purchasing the product that will offer you the maximum advantages.

Sedimentation process and absorption of mass are very crucial aspects in thermal heat transfer. Maximum protection is offered if an inner lining is formed on the tube plug. Thermal transfer is controlled and the flow rate in the section. There is more resistance offered to the product flow. This is known as fouling factor. The formulas put forth to calculate it are not so effective and many times the figure is just an approximate.

After the purchase of the plugs, it is important to get the details of their operation and maintenance right. This way, the devices will offer you the maximum benefits and they are likely to serve you for longer duration of time. The above mentioned factors influence the product cost significantly but if you get a quality product, the cost of maintenance will be reduced.




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