At the end of 2018, Yantai City, Shandong Provincial People's Government Office issued the "Yantai Blue Sky win the Battle of three-year action plan implementation details," "rules" that: in principle, to new natural gas cogeneration and gas chemical projects. Details are as follows.
Continued implementation of the total coal consumption control, by 2020, the city's total coal consumption control in less than 24.19 million tons. Developed and implemented 2018-- 2020 coal consumption reduction alternatives work, the coal consumption Yajian task decomposition implemented in urban counties. Strict control of new coal project approval, approval, filing, encourage natural gas, electricity and other clean energy alternative to coal consumption. Censorship perfect substitute for coal, improve coal reduction coefficient replace coal utilization efficiency low industry. All new, revision, and expansion projects are implemented coal coal reduction alternatives, strict implementation of alternative sources and alternative proportions.
The development of special programs, out of shutting down environmental protection, energy consumption, safety and other 300,000 kilowatts coal-fired units of non-compliance, the following priority out of 300,000 kilowatts to run at least 20 years of pure condensing unit, run over 25 years and Condensate Pumping Units still can not reach ultra-low emission standards for coal-fired units. For shutting down the unit's capacity, coal consumption and emissions targets, allowed to trade or replacement, can co-ordinate arrangements for building the capacity of ultra-low emission coal-fired units.
Accelerate the phase-out of coal-fired facilities tea furnace built in the urban counties of the region, operating a stove, grain storage and drying equipment. The city's ban on new 35 steam tons / hour and coal-fired boilers. 65 steam tons / hour or more coal-fired boilers on the basis of complete transformation of the ultra-low emissions, with the transformation of the conditions to complete all energy saving. Out of coal-fired boilers heating pipe network coverage range. In the area where no cogeneration district heating conditions, a plurality of existing coal-fired boilers, and the like in accordance with the principle of building a large-capacity volume replacement coal-fired boilers.
The implementation of non-fossil energy doubling action plan, by 2020, non-fossil fuels in energy consumption should reach its goal provincial requirements, the city's wind power, solar power, biomass power, pumped storage power generation, nuclear power and other new energy and renewable energy power generation capacity reach 7.05 million kilowatts. Where the conditions of availability of resources, to encourage the development of biomass cogeneration county, increase renewable energy consumptive, improve social proportion of the total electricity consumption of renewable energy generation.
Side using fast excellent ultra-thin insulation effect as cotton glass furnace insulation materials, before and after the smoke box of the aluminum plates as a selected temperature insulation material; and the whole was sealed boiler structure, no air leakage, the weld phenomenon is not tight, boiler to reduce heat loss to a great extent.
Hot-water boilers include electric hot-water boilers, oil-fired hot-water boilers, gas-fired hot-water boilers and coal-fired hot-water boilers, etc. Hot-water boilers are boilers that process hot water. A heating tool that uses heat released from fuel incineration or other heat to heat water to extra temperatures. In the natural circulation hot water boiler, the inlet and the outlet water are received on the top of the pot. It is the inlet line that leads the lower inlet pipe into the front and lower side of the header and heats up through the inlet cold wall tube. In front of the drum, there is a water barrier at the lower boundary between the lower and the forward water flow, and only the lower half of the drum is separated by the water insulation plate.
Manufacture and use of hot water boiler security risks exist: the manufacture and use of hot water boiler security risks exist though boiler is not subjected to the pump pressure applied to the ring, but at all times are under boiler water storage tank to provide high static pressure the higher the floor, the higher the static pressure hot water. Pressure hot water boiler installed on the exhaust pipe main body diameter is too small, only some exhaust pipe diameter Ф20mm, can not quickly discharge the steam generated in the furnace out of the boiler body to withstand a certain pressure there is a certain risk . Inspection found a rated power pressure hot water boiler is 30 million kilocalories, exhaust pipe on the body is Ф20mm, due to lack of discharge capacity, steam pressure generated in the furnace up to 0.15Mpa. The larger the rated thermal power boiler, steam pressure generated in the furnace of the greater, the greater the risk.
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