Metal working – Method of mechanical manufacture – Converting
Patent
1982-06-07
1984-11-06
Beltran, Howard
Metal working
Method of mechanical manufacture
Converting
29455R, 29469, 105360, 105451, 126378, 165 41, B23K 2800, B23P 600, B23P 1500
Patent
active
044803702
ABSTRACT:
A method of converting a tank such as a railway tank car into a heated tank to facilitate dispensing a congealable stored medium, wherein at least one end portion of the tank is removed and an elongated heat exchanger is inserted into the tank through the opened end. The heat exchanger is secured within the tank, a pre-determined distance from the bottom of the tank to define with the bottom a dead air space, the heat exchanger extending substantially longitudinally and transverselly across the entire bottom of the tank and downwardly sloping and extending to a drain valve. The heat exchanger is positioned in a sealed relationship with the walls of the tank. Thereafter, the portion of the removed end of the tank is replaced in a sealed relationship with the heat exchanger. The method includes a particular positioning of the heat exchanger in a heat relationship with the drain valve. The method further includes the positioning of inlet-outlet openings in the heat exchanger adjacent the drain valve.
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