power fired steam boiler

March 19, 2019, Tangshan, Hebei Province, the city government official held "2019 Tangshan depth control key industries scientific and technological achievements Matchmaking" meeting the cement industry on air pollution emissions caps mobilization discussion. According to the news conference, Tangshan City Cement companies need before the end of September this year will be dust, sulfur dioxide, nitrogen oxides are controlled to not more than 10mg / m³, 30mg / m³, 50mg / m³. Official documents will be introduced in the near future.

It is reported, as early as in September last year, Tangshan cement industry in particular has a value of air pollutants emissions of nitrogen oxides emission concentration is less than 50mg / m³ proposed.

September 3, 2018, Tangshan Municipal Government issued the "ecological environment in Tangshan depth remediation tackling month action plan", "plan" industrial enterprises in pollution control, discharge of pollutants in the cement industry to make the following requirements: single production of raw grinding material, bag filter employed; one mill kiln production process, humidification tower may be used - electric precipitator dust collection system, dust emission concentration ≤10mg / m³. Rotary kilns for cement kiln and, preferably high dust coating, conditioning tower may be used - electric precipitator, dust emission concentration ≤10mg / m3, the concentration of sulfur dioxide emissions ≤50mg / m3, nitrogen oxides emission concentration ≤ 50mg / m3.

Boiler and steam conditions What? 1) normal boiler plant, combustion stability. 2 vapor pressure) and steam the furnace tube is slightly lower than the vapor pressure of main steam 1 to 2 psig pressure in the boiler; Table 2-3 high pressure boiler. This is to avoid excessive pressure is not very stable Ambassador temperature steam into the oven from the start a lot of steam main pipe, causing the steam with water, boiler water level impact and instability. 3) steam temperature and steam oven should be slightly rating, and specific values ​​should be considered equipment conditions. This is to avoid over-temperature and rapid decrease due to the steam or steam temperature steam main pipe and the furnace for the force with water (4) drum water level is maintained low level. This is because in order to avoid contact with the steam and the water level rises over the water load (5) steam quality (including Na +, or the amount of salt content) qualified. This is to avoid vapor and steam oven failed to affect the quality of the mother pipe steam quality.

How to buy gas boiler? Coverage gradually increased urbanization not only bring more convenience to people's lives, but also made more challenging for the boiler plant to provide energy sources, such as venue stress, surrounding environment requirements, require a higher degree of automation and reliability, all of which to promote gas-fired boiler to get more use.

The market price of natural gas is calculated in accordance with 2.1 yuan / m³, then 1 ton gas hot water boiler one hour operating cost = 71m³ × 2.1 yuan /m³=149.1 yuan / h.

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