full automatic control biogas boilers

Cause damage specific analysis WNS steam full automatic control bioboilers 1, a steam boiler WNS Reasons for lack of water subsidence area, i.e. corridor above the flue gas and a convection tube on the bottom of the drum is always in a high temperature superheated state, the sheet-like portion pearlite-temperature regions of the material will globular pearlite gradually change, phase change results in accelerated creep rate, and decrease the rupture strength, severe over-temperature regions of the material is overheated, the grains of austenite and rapid up, tensile strength abruptly decreases, the inner drum steam pressure causes plastic deformation of the film occurs region, gradually collapse. Partially collapsed scale is iron in steel at an elevated temperature with an oxidizing medium synthesized FeO. Outermost layer of oxide is Fe2O3, is a central Fe3O4, and a metal oxide layer at the junction FeO. Decarburized layer is a high temperature steel decarbonization formation. 2, the causes of boiler tube WNS convection tube connecting the steam drum in the form of a plug-side welding, force is weakest region. Length superheat temperature continues to rise so that the wall strength of the material resulting in a continuous decline. Is generally considered to be higher than 200 ℃ steel significantly reduced elastic modulus exceeds 300 ℃ steel yield strength starts to drop. When the temperature of the steel reaches 350 deg.] C or higher, decrease in yield strength at room temperature to yield the desired strength of 2/3 or less, the maximum temperature of the steel 20 450 ℃. When approaching Griddle boiler, the convection wall temperature far exceeding its maximum temperature, the pressure pot under the action of convection and Tube yielding occurs, and because the hoop stress axial stress is 1/2, the spout in the circumferential It is pulled into an oval shape. Finally, longitudinal cracks take over the angle generated between weak parts in the region of the weld structure and apertures along the bridge. The cracks in the tubes and pipes leak and cause a lot of soda unusual noise, which was discovered by the stove staff.

Third, within the gas leaking full automatic control bioboilers drum: the higher cost of repair costs, mainly to see the orientation and size of the leak leak location, if presented oozing red old boiler pot of water, the water quality is presented to clarify this issue, probably because of low alkalinity may high dissolved oxygen in water to form a metal corrosion. Low alkalinity of sodium hydroxide or trisodium phosphate capable of adding water to the pot, the high dissolved oxygen in water to form a metal corrosion. Low alkalinity of sodium hydroxide or trisodium phosphate capable of adding water to the pot, high dissolved oxygen in water to be processed through the deaerator.

The project is used in the pharmaceutical industry, a SHX25-1.25-H circulating fluidized bed combustion saturated steam full automatic control bioboilers, which is used for heating and production.

The use of central heating hot water full automatic control bioboilers is the best choice for winter heating in northern China. Shanxi Province is located in Chang Darrow Heating Co., Ltd. mainly provides heating and post-service maintenance of heating equipment, heating clients involved in enterprises and institutions, office buildings, residential housing and a variety of commercial and other entertainment venues. With the wide blue sky covered Battle of the project, China's gradual increase in the proportion of heating for cleaning, heating, Ltd. Dalong Chang respond positively to the call of national policy, high pollution intensity wishing previously used, low thermal efficiency of coal-fired boiler to replace the traditional use hot water boiler clean fuel. After comparing many boiler manufacturers, choosing the optimal selection, determined and professional cooperation parties do fast boiler fuel boiler cleaning equipment. Providing a fast side 35 MW gas tube hot water boiler (SZS35-1.6-Y.Q) according to their actual needs.

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