wns series oil steam boiler

wns series oil steam boiler

Our industry is a big country, provide power for industrial equipment giant multi-boiler. After investigation, the vast majority of our country's industrial boilers are in healthy condition, causing energy waste and pollution is very alarming. Moreover, the recent nationwide boiler accidents continue to occur, causing huge casualties and property losses, the adverse impact on society and the economy, how to effectively protect the safe operation of the boiler to be solved throughout the boiler industry event.

Steam boiler rules Henan fast boiler with small series to introduce the company's wns series steam boiler operating procedures. First, the components of the steam boiler before oven cooking oven and check (a) and oven cooked boiler furnace must be checked in detail. Check the following items: 1, cold chain grate test more than 24 hours, cold test should meet the following requirements: (1) grate should be smooth turning chain wheel axle, found arched, two tension bolts can be tightened. (2) the active grate sprocket good occlusion. Minimum gap (3) on both sides of the active grate block with the side seal and the side seal angle not less than 6 mm. Distance (4) on both sides of both ends of the furnace grate platoon leader pin in the sprocket should be kept equal. If it is found at one end to the occurrence of side friction, long waist-hole may be a tap with a hammer, the end surfaces on both sides remains equal distance. (5) steam boiler grate rotated without jamming, deviation phenomenon, when the deviation found by the inspection hole into the rear grate tail, the tie bolt align the two bearings of the drum, deviation phenomenon can be eliminated. The boiler has ignition combustion, still need to transfer found Hearth n, just before two adjustable chain tensioning bolt shaft directly outside the furnace, but preceded align the front sprocket shaft and a gearbox connect the safety pin or bolt removed until after squaring shaft to a gearbox with a chain alignment pin or bolt after tightening, may otherwise result in misalignment with the sprocket shaft of a gearbox and mechanical damage. (B) Check broken grate furnace platoon leader pin is bent, if long waist hole in the furnace may be carried out at any time platoon leader pin alignment reload. (C) a chain grate does not allow foreign matters (such as bolts, nuts, nails and other iron) is present. (D) firing door open and flexible, easy to open and drop the shutter coal, coal gate left and right side of the grate surface distance equal to, the thickness of both sides of the seam to ensure equal furnace, as a method for reducing ranging from links available to make equal, coal shutter cover plate should cover tightly to prevent leakage into the coal, coal stuck shutter. (Five) of each grate windshield of smoke damper and damper adjustment inside the flue flexible switch. (Vi) blower, Fan, Java machine, commissioning normal water supply equipment. (Vii) manhole, hand hole is tight, attached parts fitted Ge are complete. (Viii) the furnace wall is normal, the flue is tight. (Ix) steam boiler pipes, water pipes, sewage road is complete. (J) all filled with lubricating oil in the bearing housing and oil cup. (Xi) All electrical equipment should be empty running test, inspection equipment, and other electrical lines is intact.

Future development of gas wns series steam boiler is now, due to air quality and the environment has been severely damaged, the Chinese government and relevant departments of this proposed reform, especially in the last few years, we continue to strengthen and urban renewal efforts of management awareness of urban governance continue to increase, there are many heavily polluting factories were forced to shut down or go to the countryside, where coal-fired boiler of this pollution is more serious. Therefore, coal-fired boilers will soon face the fate of being eliminated, but instead is environmentally friendly gas steam boiler. In many areas of the construction of coal-fired boilers, relatively speaking earlier, use of time is relatively long, the use of effects and economic aspects have not reach people's needs, the cost of coal-fired boiler is relatively high, and after use will produce waste water, waste, emissions of harmful substances, so that the use of coal-fired boilers will cause serious pollution to the air. From an environmental aspect is concerned, it will be the first coal-fired boilers will be eliminated. In contrast there would be "waste" gas boiler, it belongs to an eco-friendly boiler. Economically speaking, the general use of more than 5 years of small and medium sized coal-fired grunt no longer have the value of the burned gas, thermal efficiency is relatively low, while the gas boiler coal-fired boiler best alternative. Although the oil-fired boiler thermal efficiency is relatively high, but the smoke pollution in the atmosphere is far greater than the gas-fired boiler, oil-fired boiler and there are also issues related to oil transportation and storage, it lost the advantage of long-term development. Gas boilers have very obvious advantages compared with them. Further, the configuration does not require gas boiler soot blowers, ancillary equipment dust, slag and a fuel drying apparatus or the like, can save the boiler investment. In terms of maintenance, gas boiler is also a very big advantage, a simple gas boiler combustion system equipment, so the group. Maintenance is relatively small, there is a gas boiler slag deposit and high and low temperature heating surface corrosion does not exist, do not need to change the hot fittings and elements of the air preheater surfaces. No matter from which side, gas boilers are the best substitute to replace coal-fired boiler equipment, so the future development of certain gas boiler is much larger than the development of other boilers, gas boilers will set a new record in the future development .

According to fuel (electricity, oil, gas), oil-fired gas boiler can be divided into three kinds: electric wns series steam boiler, oil-fired steam boiler and gas-fired steam boiler. According to the structure can be divided into vertical steam boilers, horizontal steam boilers, small and medium-sized steam boilers are mostly single, double-return vertical structure, large-scale steam boilers are mostly three-way horizontal structure. The following is the boiler pressure fire shutdown time more than 6 hours, the boiler main steam valve should be closed after a period of pressing fire, opening the superheater outlet header drain valve, to cool the superheater. If the air pressure rises after the main steam valve is closed, it can be used to lower the pressure of the boiler by feeding the water into the boiler and simultaneously discharging the water. Press. When the boiler resumes operation, it needs to go through the pressure rise and protect step 2. There is still steam pressure in the pot during the shutdown period of the pressure fire, so it is still necessary to pay attention to monitoring and make the boiler keep the allowable water level 3, the boiler with cast iron gas saving gas, after the boiler stops feed water, The gas-saving flue baffle shall be closed, the side-hearth baffle opened or used in the circulating pipeline to stop the water temperature in the gas-saving area exceeding the specified value of 4, the proper discharge shall be carried out during the shut-down of the furnace under pressure fire, and the sediment in the furnace shall be excluded. The operation of circulating water pump should not be stopped immediately after the furnace shut down. The circulating water of network should be kept circulating in the system for a period of time, and the water temperature of boiler outlet should be lowered below 50oC. The operation of circulating water pump can not be stopped until the operation of circulating pump is stopped.

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