The China Coking Association expert group heard the self-inspection report of the Xuangang Coking Plant's compliance work, and based on the revised Coke Oven Status Rating Standard revised by the China Coking Industry Association in 2004, the safety production management of the coking system site and the coke oven body. The condition, equipment operation, production operation, technical indicators and process accounts were comprehensively identified.
Xuanhua Iron and Steel JN60-82 type 1# and 2# coke ovens were put into production in 1989 and 1993 respectively. It is the first large-scale coke oven designed by China. It was awarded the title of special red flag coke oven in 2001. JN43-804 type 3#, 4# coke ovens were put into production in 2003 and 2004 respectively. As a large-scale state-owned coking enterprise with a history of 50 years, the coking plant has always attached great importance to the management and maintenance of coke ovens. Since 1997, it has vigorously carried out coke oven research activities, grasped the basic management of coke ovens, and actively introduced new technologies. The new equipment, coupled with in-depth and long-term on-site management, has improved the appearance of the coke oven, and also made the consciousness of “the coke oven is the lifeblood of the coking plant†deep into the hearts of the employees. Since the four coke ovens have been put into production, according to the company’s It plans to organize production, coke oven organization is effective, coke quality and output exceed the company's assessment plan; actively implement safety responsibility, strengthen employee safety education, safety inspection and hidden danger rectification. Since 2002, the goal of zero accident has not been achieved. Large production, equipment, fire, traffic accidents, coke oven equipment management and on-site environmental management have reached the standard; the furnace condition has reached the standard requirements of special coke ovens; all the records are complete, the records are complete, the national standard and the standard standard implementation rate Up to 100%, the positive rate of sampling instruments and the pass rate of sampling are 100%; the operating coefficient of four coke ovens The indexes of various thermal coefficients meet or exceed the standards of special grade coke ovens; the standard requirements for coke-heating special grade coke ovens; the cleaning and maintenance of equipment to strengthen the evaluation of smoke-free rate of coke ovens, the management and technology are equally important, and the coke ovens have three The net reaches a higher level; the normal use of high-pressure ammonia water smoke-eliminating device adopts the coke oven gas collecting pipe pressure automatic discharge ignition device and the small furnace door sealing device, and the coal loading vehicle adopts PC control device. The coking plant adheres to the four technologies of “pushing operation, automatic recording of furnace temperature monitoring, heating gas total flow, single-hole coal loadingâ€, which has created conditions for improving the thermal management level of coke ovens. Enterprises continue to increase investment in technology, adhere to independent innovation, make full use of the free technical strength of enterprises, give full play to the ingenuity of engineers and technicians, and complete a number of scientific and technological achievements, among which "the use of loose asphalt directly into coking coal to produce high quality coke The project won the third prize of Hebei Province Science and Technology Progress Award, "2# coke oven heating system transformation", "new technology, new materials development and application on JN43-804 coke oven", "JN43-804 coke oven full negative" The projects such as the independent design and development of the pressure gas purification process control system have won provincial and municipal scientific and technological progress awards. These meticulous work and achievements have laid a solid foundation for the four coke ovens to become special grade coke ovens.
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