Note vacuum hot water boiler vacuum boiler running what is the formation of a negative pressure in the vacuum environment inside a closed furnace, widely used in hotels, residential, commercial applications such as heating, sanitary hot water heating, and other fields. Since the inner pressure when the furnace is always working in a vacuum, and so the higher heat exchange efficiency. At the same time, the unique design of the vacuum boiler safer. During use, if the pressure exceeds the external atmosphere, the unit will automatically cut off power, when the water level will fail alarm. In order to better protect the boiler, ensure that the boiler safety, should pay attention to the following aspects: caveats vacuum hot water boiler 1, before each run vacuum boiler boiler gas pressure conditions must be checked to ensure that pressure is normal if you have to pay attention to water pressure can only keep a small fire, because the fire under the pressure of six thousand mpa run stagnation pressure may be due to lack of time - 6000 mpa. 2, when using the vacuum boiler, water is also noted that the heat medium and the home heating medium water pressure and temperature, and to ensure that the pipeline valve is opened to prevent any valve out of the water heat exchanger branches off, because the resulting expansion E principle and the principle of thermal expansion will shrink far more than the quota. Determine the scope of work, resulting in an explosion, resulting in serious accidents boiler scrapped. 3, vacuum boilers in all normal operating conditions, we must first pay attention to the normal operation of the pump, carefully observe the vacuum pump outlet pressure and sound, and then open the boiler control power in the case of confirming that no abnormal operation. Be careful not to turn off the power of the vacuum pump. 4, when the vacuum boiler operation, to be noted that the parameters set on the sensor screen to ensure that the water temperature of the boiler, an outlet temperature control, control of the temperature difference between the flame and the conversion temperature can meet application requirements.
Affect the operation of the vacuum boiler vacuum boiler of the four factors mainly used for civilian heating, mainly used in residential, home, hotels and other densely populated places, but there are always some of the equipment has been hampered its effectiveness, not so warm, the following tell you about the factors that affect the operation of the device: 1, boiler and valves, meters there is no leak, there are currently includes inlet valve and instrument can guarantee no leakage occurs within 3 years. 2, the load can not have the mutation, changing the boiler load is normal for the boiler, the boiler can meet the general load regulation thirty percent to ninety-nine percent. 3, vacuum pump, three-way solenoid valve is working properly, since the vacuum pump, three-way solenoid valve is not run frequently, imported and seizure operation also prone to failure. 4, control whether or part failure, boiler controls and negative pressure, pressure controller can also occur in the operation of the failure is inevitable, such as the failure rate is even higher domestic controller. 5, the control section airtightness of the boiler should check whether the normal vacuum pump, the three-way solenoid valve is normal, check load changes, if the check is normal and negative pressure controller settings. 6, after everything is normal vacuum degree of recovery boilers still function properly, or to check all aspects of the maintenance shutdown. The actual operation of the vacuum boiler breakdown maintenance rate is higher than the pressurized steam boiler, a steam boiler control requirements than. Vacuum is the main indicators of the stability of the vacuum boiler, it is generally not hot equipment, it is ineffective this is a problem, if we find a problem we should immediately go to repair, to spend the winter cold to make themselves warm as soon as possible device.
"Vacuum" refers to an automatic vacuum apparatus and the pressure inside the boiler is lower than the outside atmospheric pressure is low with water a low boiling point characteristic, rapid heating of the heat medium water, increase the heat transfer rate.
Recently, the field of ecological environment of Shanxi thorough investigation of illegal activities, promotion of eco-environmental quality of Shanxi be greatly improved, the central group held a provincial environmental inspectors rectification illegal sewage major renovation "Hundred Days cleared" special action mobilization meeting, asked the province up and down quickly action to ensure that the "Hundred Days cleared" special action to achieve tangible results.
"Clear Days" special action include 10 aspects: the central environmental protection inspectors and inspectors "looking back" clear feedback issues; national air pollution control and strengthen supervision and three cities in northern Shanxi air pollution control special inspection found problems rectification task clear; focus on the problem of sewage from polluting units cleared; "ban on coal zone" bulk coal cleared; "scattered dirt" enterprise is cleared; key areas of coal-fired boilers cleared out of the task; urban area construction site dust pollution problem is cleared ; diesel truck phenomenon of black smoke cleared; cities above the county level and type of surface water environmental violations centralized drinking water source protection areas cleared; annual key water pollution control project is completed cleared.
Clear focus: focus on examination of 624 key polluting units of pollution control facilities, operation and pollutant emissions. Implementation of the rectification May inform the Provincial Department of environment and supervise the handling of seriously overweight key sewage units - one by one to verify the fourth quarter of 2018, in 2019 the Department of Ecology and Environment informed the first quarter supervise the handling of seriously overweight key polluting units, 2019 1 situation and the implementation of administrative penalties.
Specific objectives: In addition to coal coal ban areas, central heating and raw material coal companies, prohibit the storage, distribution and burning of coal and its products, slashing the average concentration of sulfur dioxide in the ambient air quality.
Clear focus: the use of coal for municipalities within the scope of "no coal zone" in the home spot checks to ensure that alternative livelihood and heating coal for clean energy or clean heating methods is strictly prohibited within the store "ban on coal zone" sales and burning the behavior of coal and its products.
Clear Focus: targeted surveillance cities out of the task list of coal-fired boilers. In built-up areas to ensure that municipalities and districts out of 35 tons and coal-fired boilers, county (city) eliminated the basis of built-up area and 10 tons of coal-fired boilers on October 1, 2019, Taiyuan, Yangquan, Linfen City, Jinzhong city, four global, Luliang Fenyang, Xiaoyi, the text of water, Jiaocheng, Yuncheng salt lake, Wenxi, Xinjiang, Jishan, Hejin global phase-out of 35 tons of steam coal-fired boilers, Changzhi city completed 35 tons of steam out of the task more than 50% of the amount of coal-fired boilers, Jincheng complete 20 tons of steam coal-fired boilers eliminated within the municipal area.
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