commercial oil fired vacuum hot water boiler industrial

commercial oil fired vacuum hot water boiler industrial

Henan boiler which method is well known that oxygen oxygen corrosion is a key issue and safe operation of the boiler service life of impact, and with the development of the hot water boiler corrosion problems more prominent, so welcomed by the people of Henan in order to ensure the safe operation of the boiler, oxygen is imperative to take effective measures for the excellent quality of Henan boiler, the boiler Henan oxygen and what method? First, the thermal oxygen Henan boiler heat deaerator, which is the principle of the boiler water is heated to saturation temperature for the corresponding pressure of the oxygen on the water oxygen evolution revisit excluded, so as to ensure the oxygen content of boiler water reaches Henan water quality standards, and Henan boiler thermal oxygen addition methods may not only oxygen, but also to remove carbon dioxide and other gases, users need not worry about this method of oxygen will increase the amount of dissolved salt content and other gases. Second, the vacuum deaerator Henan boiler vacuum deaerator is at less than atmospheric pressure, which also belongs to the low temperature oxygen scavenging. The quality of Henan boiler vacuum oxygen effect, the key is the ability to ensure the vacuum. Will be the same time as the heat load fluctuations, airtight coupled with the entire heating system is difficult to ensure, thus oxygen in the vacuum heating system is not particularly widespread application, the user should pay attention to the selection of such a measure oxygen. Third, the oxygen resolved resolved by strong oxygen binding deoxygenated water and oxygen gas, to achieve the purpose of oxygen Henan boiler, which boiler oxygen Henan method may be performed at room temperature, heating it need not , saves energy, while parsing Henan boiler operating costs than the previous two kinds of oxygen is much lower, but not remove other gases, it also reduces the pH value. Further reliable method of oxygen Henan integrity not only more than several boiler, there is another hydrazine, sodium sulfite and the like oxygen chemicals, resins, and greater investment and oxygen oxygen steel scraps smaller investment, short when the user takes oxygen method for Henan boiler, good to weigh the pros and cons of various methods of oxygen, combined with the economic and budgetary requirements, select the most appropriate, most oxygen methods.

Vacuum hot water boiler operating gas: a gas hot water boiler operating under vacuum: the vacuum gas hot water boiler utilizing the different characteristics of different boiling point of water at ambient pressure. At normal atmospheric pressure, the boiling point of water is 100 deg.] C, vacuum gas hot water boiler operating pressure in the range -0.07Mpa less. Corresponding boiling temperature of water is less than 93 deg.] C, vacuum gas at the operating pressure of the hot water boiler, the combustion temperature rises to the water boiling temperature, the steam boiling surface to produce the same temperature, volatile vapors absorb large amounts of heat. At this time, water is injected into the heat exchanger of the boiler. After the inner tube was heated to an outer cold administered heated steam flows out through the steam pipe outside the cold water cooled heat exchanger is condensed into water droplets, the water cycle is completed in vacuo. 1. smoke tube was added in the process, improve the heat transfer effect of making the arrangement more concentrated. With a square overall structure independent spray, beautiful shape of the separation. three. Large furnace techniques: effectively increasing the heat radiation area of ​​the unit, to reduce the nitrogen oxide emissions. 4. Boiler water using a high water to ensure that water does not furnace fouling and oxidation. All wet back shell type three-way structure, static heating, excess heat .6, actively control the whole system, it does not require special duty. 7. Unique pulse level detection circuit reliable performance. 8. inlet / outlet temperature display easier to control the operation of the vacuum and hot water boiler operating segment. 9, receiving advanced multilayer insulated glass wool, heat loss is small. Vacuum gas hot water boiler with three pressure safety system: automatic safety explosion-proof valve in the discharge control: when the internal pressure of the boiler continues to rise, the explosion-proof valve due to EHV broken, releasing the pressure in the boiler, to ensure safe operation of the boiler; Digital Pressure Switch: imported from Japan digital pressure switch, detecting a change in the pot at any degree of vacuum, when the pressure is too high, side off: opening vent automatic safety alarm: the boiler when the internal pressure becomes slightly positive pressure, vibration proof safety valve automatic alarm , cut off the power boiler.

It is understood that around prevention and control of air pollution, ecological Environmental Protection Office of Shaanxi Province has formulated the "Boiler Air Pollutants Emission Standards" ( "Standards"), amended the "off key industries in the region of atmospheric pollutant emission limits." In the future, biomass, alcohol fuel boiler emissions also be included in "Standards".

"Standard" is to integrate and improve the local air emissions standards boilers. "Standard" for the scope of the province, covering coal, gas, oil, various types of fuel such as biomass; using alcohol fuel (e.g., methanol, ethanol, dimethyl ether, etc.), gas-fired boiler with reference to the implementation of emission limits.

After calculation, coal-fired thermal power boilers in Shaanxi Province implementation of the new standards, particulate matter, sulfur dioxide, nitrogen oxide emissions respectively about 0.67 tons 15,200 tons, 1.26 tons, down 27%, 40%, 21%; Burning after transformation of coal boiler, particulate matter, sulfur dioxide, nitrogen oxide emissions can be about 01,400 tons, 1.42 tons 14,100 tons.

With the haze pollution reduction work to promote strong, Shaanxi Province coal-fired generating units and 20 steam tons / hour or more coal-fired boiler to carry out the transformation of ultra-low emissions, will gradually iron and steel, cement and other industries to carry over non-electric low-emission transformation, the original standard has been overtaken by change of environmental situation. Additionally, the Guanzhong area of ​​glass, ceramics, bricks, gold and other industry, there are a certain number of kiln, its environmental requirements leniency.

The revision of the "off key industries in the region air pollutant emission standards", the abolition of the thermal power industry, coal-fired boiler emission limit requirements, these two sectors rose to individual standards province-wide.

It also increases the coke nitrogen oxide emission limits Chemical Industries, gold industry, glass and glass products, ceramic industry emission limits, increasing the concentration of tile industries and atmospheric pollutants conversion approach.

The new standards are expected coke chemical industry NOx emissions will decrease 70%, the sintering process the steel industry, the particulate matter, SO2, NOx emissions decreased by 50%, 72% and 67%, respectively.

Traditional industrial boilers difference is that the internal pressure of the vacuum boiler is less than the ambient pressure (vacuum food you can think of), mainly used for hot water output. This is because in the case of reduced pressure, the boiling point of water is also reduced, so that at low temperatures can be done quickly boil.

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