Method for transport of heat-sensitive liquids
First Claim
1. A method for discharging a heat-sensitive viscous liquid from a hard-sided container, said method comprising:
- providing a hard-sided container, providing a flexible bladder containing the heat sensitive viscous liquid in the hard-sided container, an outer wall of the bladder being supported by an inner wall of the hard-sided container, providing a heating pad between a bottom of the flexible bladder and a bottom of the hard-sided container, energizing the heating pad, pressuring an upper end of the bladder, and discharging the heat-sensitive viscous liquid from a lower end of the bladder.
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Abstract
A specially designed flexible tank is installed in a standard 20 foot overseas shipping container or in a standard trucking dry van trailer. A conductive heat serpentine plastic tubing system is also installed underneath the flexible tank allowing heat to liquefy the honey near the bottom discharge location. Nitrogen is introduced through an upper air purging valve and flow is controlled by a regulator allowing tank to stand and not be conducive to cling of product on the roof or the sidewalls and to assist in discharging product without need of a pumping mechanism. Due to the continued shape of the flexible tank there will be very little product loss allowing virtually all product to be expelled. The discharge valve will remain open when the heat is started and this allows the honey to be removed as quickly as it becomes liquid. The method permits bulk shipped honey to be unloaded without substantial increase in HMF levels or air entrainment caused by pumping which could lead to crystallization, and avoids substantial product loss due to clinging on the inside of the tank. The invention also provides substantial labor savings along with freight savings compared to the prior honey industry method of shipping honey in 55 gallon drums.
9 Citations
20 Claims
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1. A method for discharging a heat-sensitive viscous liquid from a hard-sided container, said method comprising:
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providing a hard-sided container, providing a flexible bladder containing the heat sensitive viscous liquid in the hard-sided container, an outer wall of the bladder being supported by an inner wall of the hard-sided container, providing a heating pad between a bottom of the flexible bladder and a bottom of the hard-sided container, energizing the heating pad, pressuring an upper end of the bladder, and discharging the heat-sensitive viscous liquid from a lower end of the bladder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A specially designed flexible tank for the honey industry (other similar products examples glucose, fructose, sucrose, dextrose chocolates, liquid sugars and various others that thicken or cling in a similar fashion in a cooled situation or over time and that may be affected by HMF.) three ply co extruded flexible tank is installed in a standard 20 foot overseas shipping container (or a standard trucking dry van) after proper cleaning and preparation with protective cardboard lining and bulk head. A serpentine heating unit will be installed underneath flexible tank, to be connected at final destination by steam or hot water. Flexible tank designed in a rectangular shape that will continue holding its shape as 1.5 pounds of nitrogen is released into upper purging valve and will be controlled by a regulating valve. Nitrogen will not only support tank material in its original shape preventing cling but will push the product out at a substantial flow with 1.5 pounds per square inch of force per square inch on to the product and discharging through a two inch bottom discharge valve. This valve will be opened at the same time as heating commences allowing product to leave the container as quickly as it becomes liquid allowing for minimal effects from heat transfer.
Specification