china gas fired vacuum boiler

Vacuum gas china fired vacuum boiler blowdown way in which civilian areas of heating, vacuum hot water boiler no doubt be welcomed by more and more enterprises. Compared with the conventional hot water boiler, vacuum hot water boiler having a high thermal efficiency, small size, and easy installation. When using a heat medium water, do not worry about structural problems, its service life is three times the normal boiler. Vacuum gas boiler according to the manufacturer, the boiler water pollution control means to a predetermined quality standard, the impurities in the furnace held within a certain range, must continually remove the salt and alkali content of boiler water from the boiler and large deposits bottom water, sludge and sediments, this process is the boiler blowdown. Vacuum gas boiler emissions of pollutants mainly in two ways: continuous cycle and periodic emissions. The following are specific measures to manufacturer's vacuum hot water boiler: continuous blowdown: Continuous vacuum gas emissions is to reduce the boiler water boiler water salinity and alkalinity. Otherwise, the concentration of the boiler water is too high will affect the quality of steam. Regular Drainage: periodically vacuum boiler exhaust gas is an intermittent drain, which purpose is to remove the lower portion of the boiler water, slag and accumulated sediment. Although the duration of each periodic sewage is not long, but it has a strong ability sediment load.

Vacuum china fired vacuum boiler What are the characteristics? Vacuum phase transition in the industry are generally referred to as boiler vacuum boiler, professional vacuum boiler as a negative pressure formed inside a vacuum furnace in a closed environment. The boiler by the vacuum evacuation formed a little air, low-pressure environment, and then with water to boiling temperature under low pressure to produce the steam generation there is no danger of explosion expansion does not exist, it is now commonly used in the higher elevations.

Hebei Cangzhou issued a "special program on the implementation of standards of governance china fired vacuum boiler." Emission standards for boiler treatment and corresponding indication made, as shown in details as follows.

First, the standard standard coal-fired boiler

1, before the end of September 2019, within the city of more than 35 tons of steam / hour ultra-low emission coal-fired boilers complete transformation, emissions of major pollutants to achieve ultra-low emission standards (dust ≤10mg / m³, SO2≤35mg / m³, NOx≤50mg / m³).

Before the end of the year 2/2020, the city eliminated 35 tons of steam / hour and coal-fired boiler, stove and stove operating a small coal stove, achieved within the city 35 steam tons / hour and the boiler "No Coal." Reserved 35 steam tons / hour and coal-fired boiler, stove and stove operating a small coal stove implementation of the special emission standards (dust ≤30mg / m3, SO2≤200mg / m3, NOx≤200mg / m3).

Retention of more than 35 tons of steam / h coal-fired boiler to install air pollution automatic monitoring facilities and networking with the environment department, to install a distributed control system (DCS system), real-time monitoring of pollutant emissions.

Second, gas-fired boiler

1, before the end of September 2019, the city completed two-thirds of the total number of units of low-nitrogen transformation gas boiler above. Among them, the central city of all gas-fired boiler and all the city's industrial and commercial gas-fired boilers to complete a full rebuilding mode low nitrogen.

2, the end of June 2020, the conventional gas boiler should be completed by transformation of a low nitrogen combustion, soot, sulfur dioxide and nitrogen oxide respectively 5mg / m³, 10mg / m³, 30mg / m³.

Third, the task

1, increase clean energy alternatives. In areas not covered by central heating pipe network, and vigorously promote geothermal, wind, solar and other clean energy, in an orderly way from coal to gas and coal to electricity, to change the power-based. In 2020, under the conditions of gas supply has been guaranteed, the city eliminated 35 tons of steam / hour and below the coal-fired boilers.

2, increase the coal management and control efforts. Coal infrared video monitoring devices to increase coal quality sampling efforts, to retain the blast furnace coal-fired boilers to be installed, Hebei coal to meet local standards "Industrial and domestic fuel coal" (DB13 / 208102014) non-coal power generation industry quality indicators .

3, strict new boiler access. Ⅲ class urban area and high-pollution fuel combustion zone ban municipal government designated a ban on new coal-fired boiler, a citywide ban on new 35 steam tons / hour and coal-fired boilers, the new 35 steam tons / hour of coal-fired boilers must in line with the municipal government of central heating planning or construction of industrial parks planning, energy efficiency reached AQSIQ "energy-saving technology supervision and management procedures boiler (TSGG0002-2010)" requirements, encourage the use of "energy efficient boiler promotion List" reached the level of energy efficiency standards boiler, pollutant emissions to meet emission standards require extremely low.

For increasingly strict emission limits of air pollution, low nitrogen introduced condensing gas hot water china fired vacuum boiler, premix gas hot water boiler fully condensed, ultra-low emissions coupled vacuum boiler, nitrogen oxides (referred to as NOx) may be as low as 18 mg / cubic meter.

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