Linings and Coatings

Homogeneous Bonding
A homogeneously bonded lead lining is a metallurgically joined laminate of lead and another metal, usually steel. Combining the strength of steel with the excellent corrosion resistance of lead, this type of vessel will withstand rapidly fluctuating temperatures, high pressures, thermal shock, vibration and physical shock, and will perform well in vacuum service. In addition, as lateral movement of the lining is severely restricted, the only response to thermal cycling is an occasional increase in lining thickness. The thermal and electrical conductivities of bonded lead vessel walls are high, due to the gapless nature of the metallurgical bond. Tanks with this type of lining have been in continuous operation in the bromine, mining, and paper industries for 25 years without extensive repairs.

Brick / Lead
Brick/Lead vessels have an outer shell of steel or concrete, a lead lining, and courses of chemical-resistant masonry set with a suitable cement. The masonry in Brick/Lead vessels protects the lead lining from high temperatures, rapid temperature fluctuations, erosion and mechanical abuse. It also eliminates a large portion of heat losses and provides enough support for the lining to allow good performance in vacuum service. The lead acts as an impermeable, corrosion-resistant membrane to contain the chemicals that seep through the porous masonry. Tanks with this type of lining have been in continuous operation in the sulfuric acid, aluminum sulfate, and related industries for 25 years without extensive repairs.

Panel Bond System
The El Dorado Panel Bond System was developed with maintenance and the corrosive resistant properties of lead in mind. Panel Bonded Lead liner is installed in such a fashion so that at least one vertical edge is homogeneously bonded to steel shell, the first panel bonded on both edges, the following ones bonded on one side, the other lead burnt to previously bonded panel. This insures that each panel is isolated from the others, allowing for ease of maintenance in life of lining. All linings are installed per El Dorado Quality Control Manual.

• Ease of Maintenance
• Available in thickness from 1/8” to ¼” sheet lead
• Adaptable to Existing Tanks / Vessels
• Economical over homogeneous lining
• Proven design and performance
• Applicable in Aluminum Sulfate Industry