Year: 1977 Language: english Author: Captain T W V Woolcoot Genre: Technical book Publisher: Brown Son And ferguson Format: PDF Quality: eBook Pages count: 128 Description: The purpose of this book is to examine the technical problems involved in the transportation of L.P.G. and ammonia cargoes, and various other aspects of the running of L.P.G. Tankers. The detailed procedures at all stages will depend upon the conditions under which the cargoes are to be loaded, carried and discharged—whether under fullypressurised, semi-pressurised, or fully-refrigerated at atmospheric pressure conditions. 1. Preparation: At the point of loading, the cargo tanks should have been prepared, so far as is possible, for the reception of the cargo to be carried. The procedure involved, and the degree of readiness would depend upon whether the vessel is loading: (a) a consecutive cargo of the same type; (b) a cargo of a different nature, but compatible with the previous cargo, e.g. butane after propane; (c) a cargo of a different nature, and incompatible with the previous cargo (e.g. to load propane after discharging ammonia would involve gas-freeing); or (d) a first cargo. 2. Loading: This involves differing procedures, depending upon the facilities offered at the loading terminal, e.g. whether or not a vapour return line (see Glossary) is provided. It covers calculations for ascertaining the correct soundings (depths of liquid) to load either a full cargo or a given quantity (part cargo), and to calculate afterwards as accurately as possible the quantity in fact loaded. 3. Transportation: This covers care of the cargo in transit to guard against loss of product; the running of the reliquifaction plant and ensuring that the cargo tanks do not become over-full due to the incorrect operation of the condensate returns from the reliquifaction plant; and the routine checking of tank pressures and adjusting the degree of refrigeration accordingly so that the vessel is ready to discharge on arrival at the terminal. 4. Discharging: The method of discharge will depend upon the facilities for discharge available at the receiving terminal, and the type of discharge required—if direct into fully-refrigerated storage or via the cargo heater into pressure storage. Additional info: None
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Liquefied Petrolium Gas Tanker Practice
Language: english
Author: Captain T W V Woolcoot
Genre: Technical book
Publisher: Brown Son And ferguson
Format: PDF
Quality: eBook
Pages count: 128
Description: The purpose of this book is to examine the technical problems involved in the transportation of L.P.G. and ammonia cargoes, and various other aspects of the running of L.P.G. Tankers. The detailed procedures at all stages will depend upon the conditions under which the cargoes are to be loaded, carried and discharged—whether under fullypressurised, semi-pressurised, or fully-refrigerated at atmospheric pressure conditions. 1. Preparation: At the point of loading, the cargo tanks should have been prepared, so far as is possible, for the reception of the cargo to be carried. The procedure involved, and the degree of readiness would depend upon whether the vessel is loading: (a) a consecutive cargo of the same type; (b) a cargo of a different nature, but compatible with the previous cargo, e.g. butane after propane; (c) a cargo of a different nature, and incompatible with the previous cargo (e.g. to load propane after discharging ammonia would involve gas-freeing); or (d) a first cargo. 2. Loading: This involves differing procedures, depending upon the facilities offered at the loading terminal, e.g. whether or not a vapour return line (see Glossary) is provided. It covers calculations for ascertaining the correct soundings (depths of liquid) to load either a full cargo or a given quantity (part cargo), and to calculate afterwards as accurately as possible the quantity in fact loaded. 3. Transportation: This covers care of the cargo in transit to guard against loss of product; the running of the reliquifaction plant and ensuring that the cargo tanks do not become over-full due to the incorrect operation of the condensate returns from the reliquifaction plant; and the routine checking of tank pressures and adjusting the degree of refrigeration accordingly so that the vessel is ready to discharge on arrival at the terminal. 4. Discharging: The method of discharge will depend upon the facilities for discharge available at the receiving terminal, and the type of discharge required—if direct into fully-refrigerated storage or via the cargo heater into pressure storage.
Additional info: None
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New edition already exists: Liquified Petroleum Gas Tanker Practice - Woolcott ... [2009, PDF/DOC]
3-LPG.Tanker.Practice.pdf
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