3, the electric boiler feed water control valve closed and the manual valve, boiler feed water cut.
4, steam pressure may be lowered to the water supply and drainage operations alternately 0, the pot water temperature is gradually lowered. When the temperature dropped to 50 ℃ (not hot when hand potshell head with or touch), the entire pot of water may be drained. Should be preceded by opening the drain valve or air valve above the boiler, this time into the furnace maintenance, shutdown must be kept slow cooling, rapid cooling is prohibited. From the shutdown to be able to enter the furnace maintenance, cooling time is not less than 24 hours.
Oil-fired agent boiler 20 ton high efficiency maldives to start the program in the previous article we introduced a program to control the relevant requirements of the first auto-ignition process of oil-fired boilers, meet us on the basis of a second to explain it part of the program control. Program control is divided into start, normal operation, normal stop three parts namely: (1) before starting the purging fire a little bit sparking a fire flame monitoring. Work (2) oil-fired boiler (3) a flame monitoring a low load pressure, temperature monitoring a large, converted a small fire start and stop automatically convert a load adjustment. (3) Normal After purging a fuel cut stopping the program returns to a zero position. These are dynamic program of three major oil-fired boiler, hope can help you. Oil-fired boiler cleaning solution before the oil-fired boiler cleaning boiler must be based on the actual situation, formulated cleaning solution from the professional and technical personnel, and approved by the technical director. Cleaning solution should include the following: (1) Name of boiler, boiler model, registration number, age and put into operation last pickling time; (2) the presence of defects boiler; (3) boiler fouling or corrosion conditions , including scale distribution, thickness (or the amount of sediment), and equipment status scale analysis; (4) washing the scope, the cleaning process; (5), the cleaning process and small scale test material ,, the amount of oil-fired boilers and boiler structure concentration, determined cleaning system cleaning agents, corrosion inhibitors, and other additives of passivating agent, dosage and washing temperature, time and other conditions; (6) chemical cleaning system of Fig; (7) need to be taken boiler cleaning section flow, isolation, protection; (8) the process of cleaning the boiler, monitored and recorded should project; (9) the cleaning process waste liquid discharged; (10) after the washing or cleaning residual dirt cleaning, quality inspection washing conditions. Boiler chemical cleaning should be strictly enforced wash program, if there are special circumstances need to change the program, should sign an agreement approved by the technical director of the original program. To ensure the safety of oil-fired boiler equipment, in strict accordance with relevant cleaning system to carry out.
Ignition: initial temperature and pressure need rise slowly, generally from the initial boost to the working pressure about appropriate 3~4h , water meter should be cleaned one time during this period. At the same time observation of biomass steam agent boiler 20 ton high efficiency maldives pressure gauge on both sides are the same, and need check whether have steam leaks in the hand-hole or other place.
Recently, the Tianjin Municipal Government issued the latest "2018 ~ 2019 autumn and winter tackling air pollution comprehensive management action plan" (the "Program"), "plan" put forward specific remediation requirements: the city's 65 steam tons / hour and above the basic realization of coal-fired agent boiler 20 ton high efficiency maldivess coal-fired power plant ultra-low emission standards, the development of energy-saving and ultra-low emissions rehabilitation programs for 65 steam tons / hour or more coal-fired boilers, the implementation started after the end of the heating season. Before the end of this year, within the city basically eliminated 35 tons of steam / h and coal-fired boilers of 25 iron and steel industrial enterprises discharge waste depths of governance, the basic completion of the iron and steel, building materials, thermal power, coking, casting and other key industries and coal-fired boiler fugitive emissions control.
"Plan" the implementation process to uphold the objectives warm winter and clean heating double standards, combined with the actual development of coal-fired boiler rehabilitation programs, to ensure completion before the end of the year 206,100 rural residents to use clean energy alternative to coal for combustion. Guidelines established after the first break, for the substitution of gas for coal to electricity instead of coal and other alternatives, in the case of gas supply, power supply is not implemented, the existing heating facilities will not be dismantled until the gas supply, power supply after the successful implementation be removed. And to develop high-pollution fuel combustion zone ban zoning adjustment programs, complete with electricity instead of coal, substitution of gas for coal in the region included the range of high-pollution fuel combustion zone ban. For failure to implement the heating area clean, good smokeless coal tender, production, supply, to ensure smokeless coal substitute the existing polluting large coal-fired boilers. Among them, before the heating period to complete large-scale centralized distribution, heating Doing the fragmented coal blending, before the end of December 2018, the actual realization of bulk coal dealers cleared.
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