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Datang International Fuxin in Liaoning coal and natural gas company project is "863" plan focuses on R & D projects, take the country "to build coal chemical industry coal-gas demonstration project" of the task. In construction, the company building the domestic Coal quality from the project objective, well ahead of top-level design and quality planning, comprehensive optimization of engineering design, implementation, integration of science and technology innovation, a large number of scientific and technological achievements and gradually concentrated revealed. Through technological breakthroughs, the company reduced engineering investments, reduce project cost 3.4374 million yuan.
I mplementation of the overall system optimization graphic design
The company learned petrochemical plant construction experience, based on the general layout program for up to 21 version is optimized to achieve the total process, general layout, the total quota, the total progress and a total investment of full control, to plant layout is reasonable, Factory Appearance appearance, the production process run smoothly. On this basis, special demonstration by six times, 10 times the research study, only the total figure multi-level layout optimization method, a one-time cost savings of 100 million yuan field level.
Implementation of the main unit system optimization
The company increased the feasibility study in respect for science, based on the optimization of the electrical system configuration, cancel the 35 kV voltage level, to reduce the 7 35/10.5 kV distribution substation, the abolition of four 220/6.3 kV start / transformer equipment, 5 10 / 6 kV transformers and five short circuit switch and related facilities construction, electrical design expertise to optimize investment in total savings of 129.2 million yuan; through device integration, sulfur recovery boiler flue gas exhaust and share a set of ammonia desulfurization systems, saving investment of 10 million; catalyst with pre-reduced state, reduce equipment investment and shorten the driving time, driving lower costs and increase income 45.84 million yuan.
Implementation of the production aid system optimization
The company learn from other domestic manufacturers of similar experience in production support system has implemented more than 10 optimized design, and achieved significant results and benefits, the abolition of power district started Air Station, Air Station started to retain chemical area, save and invest 10 million Yuan; tank and loading platform at the railway stations, highways are general settings developed areas, the inventory cycle is short, crane car crane position and train a total reduction of 24-bit units, can save and invest 30 million yuan; steam balance becomes recycled water for the steam electric pump moving the pump, low pressure steam in excess recyclable 400,000 tons annual saving 8.1 million yuan; consumer cleaning area rectisol pumping station, breaking the previous low-temperature methanol wash concentrate, including conventional tube pump porch set, save and invest 1.8 million yuan .
Implementation of the security system optimization
The company does not allow for future commercial interruption of the actual market supply through technology, optimization, engineering plant in a series of programs to implement the two configurations, security, security of gas supply to double the peak difficulty reduced by 50%; cancel three cycles dual-drive water pumps, three low-pressure steam turbine to drive the pump plus a Taipower pump, saving about $ 3 million investment, while improving security and stability.