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1、Proposal of 800,000tpa Clean-Type Heat-Recovery Coking Project1. BackgroundOur M/s Shanxi Provincial Chemical Design Institute, a first grade institute of coking plant design in China, possesses a great number of patent and proper technologies. Especially, she claims a highest level and richest expe
2、rience in China in clean-type heat-recovery coke ovens development & research, design & engineering, construction & management, and initial heating up & trial-production. It is in the highest level both in China and overseas.Since 1980s M/s Shanxi Provincial Chemical Design Institute has studied cle
3、an type heat-recovery coke ovens, and then industrial production was began in late 1990s. In 2001 commercialized clean type heat-recovery coke oven technologies was put into large-scale mechanized and automated production. At the same time, the Institute compiled documentations such as Norms and Spe
4、cification for Bricklaying and Construction of Clean-Type Heat-Recovery Coke Oven, Norms and Specifications for Installation of Clean Type Coke Oven, Specifications for Heating Up the Clean Type Coke Oven, and Systems for Management etc. In November 8, 2001, the inventor applied to concerned authori
5、ties for practical new-type patent and inventive patent. In September 4, 2002 the letters patent was authorized with Patent No. ZL01270184.X. In February 8, 2002 on the first patentee meeting, M/s Shanxi Provincial Chemical Design Institute was accredited as the sole institution in China to use, pro
6、mote and develop the patent. In June 11, 2003 on the second patentee meeting, M/s Shanxi Provincial Chemical Design Institute was empowered to improve, standardize, and commercialize the implementation of the patent. M/s Beijing Sino-Steel Industry & Trade Group Corp is the sole promoter for Clean-t
7、ype Heat-recovery Coke Oven outside China. In 1999, a pilot plant containing 18 ovens was put into production. Up to now there are five clean type heat-recovery coke oven plants that are operating normally, and fifteen plants that are under construction. The reference list is as follows:Reference Li
8、st of Our AchievementsIn OperationNo.PlantCapacityPut-into-production Time1Pilot Plant in Shanxi Houma18 ovens19992TaiYuan Gangyuan Coking Co.400,000tpaJuly, 20033Shanxi Fenyang Wenfeng Coking Co.500,000tpaJune, 20034Shanxi Gaoping Xingao Coking Co.400,000tpaAugust, 20035Shanxi Lvliang Fuli Coking C
9、o.400,000tpaMarch, 20036Shanxi Zhongyang Yaolong Coal & Coking Co.200,000tpaNovember, 2003Under ConstructionPlantCapacityEstimated Commissioning Time1Taiyuan Loufan Wanguang Coal & Coke Co.300,000tpaMay, 20042Taiyuan Loufan Limin Coal & Coke Co.200,000tpaNovember, 20043Shanxi Lishi Liangyu Coking Co
10、.200,000tpaFebruary, 20044Shanxi Lishi Shuangfu Coal & Coke Co.400,000tpaMay, 20045Shanxi Linxian Xinmin Coking Co.400,000tpaAugust, 20046Shanxi Fenyang Longquan Foundry Coke Co.400,000tpaApril, 20047Shanxi Lanxian Fengda Coking & Metallurgy Co.400,000tpaNovember, 20048Shanxi Qinxin Coal & Power Co.
11、600,000tpaOctober, 20049Shanxi Qinshui Qinmao Coal & Coke Co.600,000tpaNovember, 200410Shanxi Luxin Coal Gas Co.600,000tpaNovember, 200411Shanxi Coking Coal Group Corp.800,000tpaOctober, 200412Hunan Loudi Xingxing Coking Co.300,000tpaJune, 200413Shandong Tsingdao Iron & Steel Co.600,000tpaMarch, 200
12、414Jiangsu Zhuxi Iron & Steel Co.600,000tpaOctober, 200415Shandong Shunxin Coke Co.400,000tpaAugust, 20042. Pro 800,000tpa Clean Type Heat-Recovery Coking PlantThe proposal includes coal receiving from transfer house, coal handling, coal stocking, coal preparing, coking, screening, coke crushing, st
13、ocking, transferring to stock house and suitable utilities. Four grades of coal are used to prepare the coal blend. In the coal yard, forklift is used to transport coal into coal receiving pit, which is successively blended in blending bunker, and pulverized by counter hammering pulverizer.The coal
14、is coked in clean-type heat-recovery mechanized coke ovens typed QRD-2000 with stamp-charging process. With silica bricks as the refractory of their main bodies, the coke ovens adopt high alumina bricks as part of the refractory of oven head, and fire clay bricks and ordinary red bricks as part of t
15、he refractory of oven bottom and oven roof. The plant consists of 128 ovens of 8 batteries, each containing 16 ovens, and self-adjusting suction devices. The coke is screened to 3 grades as per the customers requirements. Space is prearranged for a 2x12MW power plant utilizing the waste heat from the coke ovens. The whole design was featured by advancement in technology, security & reliability, economy & applicability, and cleanness in production.3. QRD Clean-type Heat Recovery Mechanized Coke Oven with Stamp-charged ProcessQRD clean-type
