hot sale gas fired steam boiler

hot sale gas fired steam boiler

Gas hot sale fired steam boiler load changes in the water level of air pressure adjustment What happens next: load fluctuation gas steam boiler water level of the air pressure regulating what impact the boiler load refers to the amount of steam is supplied outside?. When the variation amount of steam needed outside world, boiler pressure, temperature, level crossing will move. When the load increases, the pressure drop in the water level is low, the air supply should be increased and the amount of coal. While enhanced combustion, and gradually increase the amount of water to maintain normal air pressure and water level. When reducing the load, the air pressure is high the water level rises, the amount of coal should be reduced and the air volume, reduce combustion, then the appropriate amount of water to reduce or suspend the water supply, the air pressure and water level in the stable nominal range, then press normally combustion and to adjust the amount of water. When reducing the load, the pressure rise when the water level is low, to increase the amount of water should be, until the water level returns to normal, then the need for air pressure changes and the load situation, and to adjust the combustion water.

Gas boiler installation and preparation requirements of (a) the preparatory work before the installation of a boiler installation must be installed by the unit has installed a license .. The installer must be familiar with "Boiler Safety Technology Supervision", and carefully read the installation instructions and other random technical documents. 2, a mounting position: 1) as close as possible to install a boiler steam, hot site, to facilitate shortening the hot water and steam pipes, reducing capital costs, reducing the pipeline heat loss. The installation site should be water supply, sewage convenience. Burning light diesel oil, heavy oil residue and the boiler must be closer to the oil reservoir; burning natural gas, town gas boiler must be easy to close the gas source. 2) boiler room layout should follow the "Boiler Safety Technology Supervision" relevant provisions "boiler room", to be well-lit, well-ventilated, no ground water, ease of operation and maintenance, boiler room must be equipped with at least two fire extinguishers 1211. 3) Check the boiler foundation, prepare the boiler in place. 3, equipment acceptance: acceptance by conduct an inventory purchase contract or supply list. 4, lifting large boiler: not less than 1.1 times the lifting equipment of large weight of the boiler, two lugs for the lifting jack top or at the bottom edge away slowly, not to any other parts of the lifting or addendum to avoid damage to the boiler. (Ii) installation requirements: 1, the main steam line installation requires the main steam lead pipe height is generally greater than 0.5 m, the bending radius should be greater than or equal to 5 times the diameter of the pipe, the pipe should be installed at the lowest trap, preventing water pipe, It should be a main steam pipe insulation. 2, a main return pipe installation requirements should the main return pipe elbow minimize installation, to facilitate the mounting operation of the valve, piping should be insulated. 3, the hydrostatic testing relief valve, the safety valve should be installed in the exhaust pipe, the exhaust pipe connected to the straight pipe outdoor safety. 4, should be connected to a sewage outfall tank or other security, the pipe should be secured to prevent shifting or counter scald accidents blowdown. 5, railings, stairs (with large oven) after the positioning by drawing the boiler installation. 6, water table must be installed to the lighting device, easy to install or inspection.

(9)Combustion Adjustment method of Oil-fired Gas-fired Boiler

The combustion adjustment of oil-fired gas-fired boiler is successful and the load adjustment can be carried out after turning into normal operation. At this time, the combustion situation in the furnace should be observed frequently. If the atomization of oil and gas is not good, the flame jumps, the flame hits the furnace tank, and the exhaust temperature is too high or too low, the oil pressure, oil temperature, steam volume, air pressure and steam pressure should be adjusted in time to ensure the safe and economical operation of the boiler. The oil pressure and the pressure are related to the boiler load. The adjustment of the oil pressure is realized by adjusting the pressure of the burner or the amount of oil returned. The adjustment of air pressure is achieved through the opening of the valve. When adjusting a load, enter At the same time, the air volume adjustment must be carried out synchronously to ensure the reasonable match between the oil quantity and the air volume, so as to achieve the purpose of economical operation of the boiler.

10th June this year, the provincial government agrees that the ecological environment in Zhejiang Province Office issued the "Notice on the implementation of special emission limits national emission standards of air pollutants" (hereinafter referred to as "notice"), marking the full implementation of Zhejiang Province especially national emission limits of air pollutants.

"Special emission limits" is mainly for land development density is already high, the environment carrying capacity began to weaken, or less atmospheric environmental capacity, ecological environment is fragile, more stringent prone to serious air pollution problems in sensitive areas and set the emission limits. Implementation of the national emission standards for special emission limits, Zhejiang Province in favor of further strict pollution management, reduce pollutant emissions, to further improve air quality, but also help promote the integration of the Yangtze River Delta environmental standards.

In fact, back in 2013, Zhejiang has already begun in some areas particularly the implementation of the national emission standards limit emissions of air pollutants, but was limited to Hangzhou, Ningbo, Huzhou, Jiaxing and Shaoxing, Hangzhou Bay five cities; and this is to expand to the province level. In addition to a wider geographical range, "advertisement" clearer pollutant emissions targets, e.g., volatile organic contaminants not individual indicators, including not only non-methane hydrocarbons, total volatile organic compounds such as benzene, benzene and other pollutants indicators meet the definition of volatile organic compounds should be performed; also more involved in the industry, such as boilers only provides original coal-fired boiler, and "notice" it covers all types of boilers (including oil, gas).

It is reported that, in the national emission standards have been implemented, a total of 25 standards set emission limits of air pollutants in particular; at the same time, the recent ecological Ministry of Environment and the State Administration of market regulation has released three national emission standards of air pollutants, namely, pharmaceuticals, paints, inks and adhesives and volatile organic compounds fugitive emission control standards, and will be from July 1, 2019 implementation. According to "notice" requirement, the province is also involved in the enterprise should implement special emission limits specified in the three standards, the execution time of the emission standards time synchronization. Provincial Department of Atmospheric environment Department official said: "The implementation of the national emission standards for emission limits in particular, help to further strict management of our province pollution, reduce pollutant emissions, to further improve air quality, but also help promote environmental protection in Yangtze River Delta standard integration. "

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