The closed loop soft water cooling system for the RH refining furnace is consist of surface evaporative air cooler,degassing tank,the device of stabilizing pressure and making up water and automatic medicine feeder,etc.

This paper summarizes the calculated explosive cartridge weight and explosive cartridge arrangement for hydraulic blasting, network of blast, blasting safety measures for hydraulic blasting demolished a big tank of concrete and steel, the realization of blasting construction are also summarized here.

The new protective measures are detailed such as extension of residenee time in desalting drum,application of new types of water-soluble and oil-soluble demulsifiers, replacement of ammonia with organie amine as neutralizer and upgrading of materials from'304'to'3t6L'for structured packing in the vacuum distillation tower.

Technology rebuilding of the oilcan dehydration in refinery;

When the desalting efficiency in processing the high-sulfur crude deteriorated, the desalter drum should be revamped, the screening of demulsifiers strengthened and demetalizing agent injected to ensure that the salt in desalted oil was less than 3 mg/L.