Safety valve requirements to be met: (L) greater than the rated evaporation commercial 20 ton boiler kyrgyzstan 0.5t h /, at least two safety valves installed: equal to or less than the rated evaporation boiler 0.5t h /, mounted on at least a safety valve. Separable
Configure and use on steam commercial 20 ton boiler kyrgyzstan water supply equipment should look out for steam boiler feed water requirements of the equipment four points: (1) steam boiler feed water system shall ensure safe and reliable water supply. (2) steam boiler should spare water supply equipment. And the number of spare capacity and a water supply device is arranged water supply system, the following request should be satisfied: ① boiler up to two due to the pump work stand ** (one spare). ② Two capacity to pump, not less than 120% of the nominal overall operation of the boiler and the amounts of evaporation. ③ When the boiler room above three feed pump apparatus, which feed water total capacity should be: when the maximum capacity of a feed pump deactivation, the remaining capacity can always run parallel to the pump is not less than the rated boiler all running evaporated 120% of the sum of the amounts. (3) to the pump head (i.e., height of the water column required to overcome the static pressure of the respective dynamic pressure) should be greater than or equal to the algebraic sum of the following: ① water pressure drop difference water supply system (water column hydrostatic) and the water supply system. ② hot water boiler safety valve at the design pressure set pressure. ③ economizer system pressure drop drum. ④ The above three multiplied by the algebraic sum of the amount of 1.05-1.1 rich as appropriate.
Currently, Yancheng City, Jiangsu Province, has issued the latest "Battle of Yancheng win the blue sky plan", in full swing atmospheric environmental governance. Details are as follows.
First, to promote non-power industry emissions of nitrogen oxides depth and steel industry to implement ultra-low emissions transformation. Achieve before the end of June 2020 discharge standards garbage incineration industry, gas-fired units are encouraged to implement advanced nitrogen removal, implementation of coal-fired units plume of white vapor recovery off the project.
Second, the implementation of total coal consumption control. Accelerate the "Yancheng reduce total coal consumption special action plan", strictly implement the same amount of coal consumption reduction alternative requirements, increase bulk coal remediation efforts for non-electric Yajian coal industry, and gradually increase the proportion of coal. New coal coal project implementation reduction instead. According to focus on the use of coal and clean use of principles, focusing on reduction of non-coal for electricity, the power sector coal consumption accounts for the proportion of total coal consumption to increase more than 65%. Continue to promote alternative energy coal and oil, electricity consumption by 2020 (calculated as the supply of standard coal) accounted for about 55% of the total social energy consumption.
The development of special programs, shutting down vigorously eliminate environmental protection, energy consumption, safety and other 300,000 kilowatts coal-fired units of non-compliance. 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. Strict control of new coal-fired units installed capacity, the new electricity in the area rely mainly on non-fossil energy generation and transmission to meet outside.
Third, carry out comprehensive improvement of coal-fired boilers. Before the end of 2019, 35 tons of steam / hr and coal-fired boilers or eliminated all clean energy alternative embodiment, suitable remediation in accordance with the principle of the electric power, gas and other appropriate gas is to encourage the use of solar energy, and biomass energy; promote clean coal use, promoting clean and efficient coal-fired boiler, steam 65 t / h coal-fired boilers and more energy-efficient and ultra-low emissions completed transformation; low-nitrogen gas boiler is substantially complete transformation; urban area biomass boilers embodiment ultra low emission transformation; rest boilers with all the special emission limit requirements.
3. To maintain the pressure of a gas-fired hot water boiler: