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General boiler is very sensitive to the price buyers boiler, to buy a boiler to consulting several even more of the boiler manufacturers price, a lot of time and energy. Relative to the gas boiler prices have early distinct advantages is what causes early gas boiler price is on the high side?
Today we will learn about early production and gas boiler by use of two kinds of technology and the price of gas boiler's influence.
(1) dc burner
The early years manufacturing is commonly used coal stove the U shape flame. The jet of air flow in the pulverized coal burner chamber first decline in, and then turn up. Then again appeared before decorate wall of spin streaming burner, and fire in the hearth of forming a L form the torch. With the boiler capacity of the increase, and the number of spin streaming burners have also increased, can decorate in both sides wall, also can be decorated in front and back wall. Around 1930 appeared in most corners of the furnace layout and into tangential firing way dc burner. This way heating effect is ok, but the production cost is higher, therefore, gas boiler the price is low.
(2) fuel boiler
After the second world war, oil price, many countries have widely used fuel boilers. Boiler is very easy to improve the degree of automation. In the 70 s after oil prices, many countries and utilization of coal resources to turn to. Then the capacity of the power plant boiler is more and more big, combustion equipment requirements can not only complete combustion, fire stable, reliable operation, low load performance is good, still have to reduce exhaust pollution of the material.
Gas boiler manufacturers in the coal (especially burning lignite) used in power plant boiler burning or low temperature classification combustion technology, namely delay and air mixing coal or in the air with smoke to slow down the burning, or turn the burner is spread out inhibit furnace temperature, not only can restrain the nitrogen oxide formation, but also can reduce the slagging. Boiling combustion way is to belong to a low temperature burning way, except in a very high ash flammable solid fuel, but also can be in FeiTengChuang with limestone for desulfurization, technology is advanced, with the method of gas boiler production prices higher than the more early to cheaper.
Early, gas boiler manufacturers gas boiler the technology employed a very backward, so gas boiler prices are much higher and the effect of or as they are now.