7 mw coal water boiler specifications

7 mw coal water boiler specifications

If there is damage in the supposed gas-fired? Detailed inspection is important, as the key oil regulation. According to the conditions and time management, gas-fired, people can effectively damage inspection program. The application of oil, people strictly control the particle size of coal and dolomite. Should strictly control the particle size of bed material. Should be addressed furnace waste. To be able to solve the waste furnace after discharge. Natural gas boiler should be installed in areas where the application of calories, easy to install. Heating pipe can not be too long. It should have a good cable jacket. Water piping for an output from moderate to tail skew. Water resources to be equipped with a pressure regulating valve. As sewage gas, natural gas boiler chimney should widen to the outside, a heating furnace entrance width 1.5 to 2M. If you want to reduce the harm to the water wall tube can be appropriately regulate air pressure and wind speed and reasonable to reduce damage to the water wall. Inspection time is generally standby shutdown or shutdown condition. To check top head comprising the furnace wall is damaged, leakage of the furnace airtight and smoke. In the damaged condition requires immediate repair and welding, in order to ensure that no problem in the operation of steam boilers. Typically, before the ignition of gas-fired, fossil fuels must be added the charge in the combustion chamber, fossil energy and raw material-circulating bed material and gas in the wind, the strength and intensity of the flow down completely integrated. Bottom wind equipment, up for the core area. Exercise our powers in a ring outside the region along the furnace wall water swimming down, thus increasing the waiting time of coal particles in the furnace. Mineral particles, many of the ash and soot particles with a lot of fly ash, this resulting in rapid deterioration of the waterwall tubes continuously, so that damage to the wall thickness becomes soft, resulting in damage.

Fast boiler is a research and development, manufacturing, sales of clean fuel boilers and boiler clean combustion technology of high-tech enterprises, the existing national standards for a research and development center and two manufacturing area, manufacturing area of ​​120,000 square meters, is the industry's leading boiler clean fuel boiler production base, products are exported to dozens of countries and regions. Fast boiler to "create a character, and create boutique" business philosophy, continuing research and constantly improve the technological content of products to close to user needs, to "create a convenient and efficient boiler boutique users" for the mission, independent research and development of remote monitoring system design provide convenient and efficient services to customers through proactive visits and other channels; to "life professional, work lean" as the core values, the establishment of an effective enterprise management system system, has passed the ISO9001 quality management system, OHSA18001 occupational health and safety management system and ISO14001 environmental management system certification; and train a large number of codes of conduct, business specialization, continuous committed to providing customers a more convenient and efficient services of highly qualified staff.

Green space to install the boiler needs to meet what conditions environmental protection boiler room should generally be set separately, but can not be located in crowded places. Should be a boiler room, two building fire resistance rating, and not the total coal-fired boiler given evaporation amount of not more than 4 tons per hour fire resistance rating of the building can be three, it should be noted that the chimney and the roof structure of combustible the distance between, not less than 5O cm. Environmental protection boiler room should select leeward or downwind side in the main building. It may be determined and the spacing between the fire around flammable, hazardous buildings, and the coal pile and boiler room, boiler room and oil tank in accordance with the relevant provisions reserves "architectural design for fire protection" is performed. Environmental protection boiler room should be used generally should not exceed 12O kilograms per square meter of roof light area for relief. When the boiler room is arranged as a multilayer, each layer should have both at least one outlet, and the layers have direct security staircases point operation. Leading to the boiler room doors should open outwards outdoor, studio or living room door of the boiler should be open, all entrances and channels should be kept open. However, with the adjoining boiler room regulator, separated by a firewall application, its windows and doors should open outwards, and not leading directly to the boiler room. Environmental slag location to select the appropriate venue, surrounded by the best masonry walls. In the range of 25 meters around the boiler room, not allowed to build buildings or flammable combustible materials piled up. Environmental boiler power lines should be used metal sleeve or cable, not laid along the surface of the heating medium, nor by the coal yard. Indoor prohibit stacking combustible materials. Environmental chamber should be provided with fire boiler water supply equipment, fire suppression systems, fire suppression equipment, and the like according to need.

What part of the body including the boiler? What role have? It comprises a crucible and the furnace: a body: refers to a soda boiler system, which is superheated by the reheater water preheating system and a vaporization system composed of dry steam. The role of the high-pressure boiler feedwater heater through the further heating evaporation, for the purpose of blowing rpm turbine to do work. System configuration: economizer, the drum, the downcomer, water wall, superheater, reheater, economizer high pressure heater outlet feedwater is introduced into the economizer, economizer tube within an outer absorber tube gas and fly ash heat, water temperature increases to about 300 ℃ drum water out from the economizer line into the bubble along the top of the boiler disposed outside. Drum lower half of the water, the upper half steam. Unsaturated high pressure drop along the water reaches the bottom of the bubble tube at the bottom of the lower header outside the boiler, a number of pipes mounted in parallel on the bottom of the boiler around the lower header, the furnace by the upward flow of the absorbent in the central flame of the inner tube wall pipe convective heat radiation heat transfer and high temperature flue gas. Since the heat absorption is much less than the water vapor, the water wall within a predetermined vaporization rate can not be greater than 40%, because the working fluid will easily melt late Wall water absorbing tube rupture occurred. Downcomer role is water vapor to the bag waterwall lower header, to establish a water circulation. Wall water in the tank through the second line and then returned to the boiler water wall, the water in the drum is completed, the downcomer, the circulation between the superheater waterwall separated in the steam drum is withdrawn from the top of the drum, laying into the first top ceiling superheater, then through the cladding wall superheater, low temperature superheater, platen superheater, to a high temperature superheater, after reaching the rated temperature of the heating steam turbine into work. After the reheater boiler is also provided with a large reheat means that steam from the high pressure cylinder acting, temperature and pressure of the exhaust gas is reduced, the exhaust gas is heated to a reheater, and then returned to the steam turbine, a low pressure cylinder continues to work. Furnace body: it refers to a boiler furnace combustion system and its role is to heat the fuel combustion in the furnace as much as possible and transfer heat to the working fluid, and the completion of the water wall and economizer water water heated in the tubes, heated in the dry steam superheater and reheater tubes, the air in the air preheater tube heated. The system consists of: a combustor, furnace, air preheater. Production process: raw coal from the coal by the belt conveyor to the higher field position of the coal bin, the bottom of the coal from the coal bin out through the stoker evenly into the ground to a coal mill. Nature of the atmosphere via the air inlet of the blower is arranged in the vertical flue to the boiler air preheater, subjected to heat of the flue gas, flue gas waste heat recovery. About 250 degrees out of hot air into two air preheater from: one directly introduced into the burners of the boiler as secondary combustion air into the furnace; the other can be introduced into the mill inlet for drying, transporting coal, which said primary air portion of hot air. Excellent flow of drying gas and pulverized coal mixture powder consisting of primary air, conveyed via line separator to be coarse coarse separator, the separated coarse powder inlet sending back regrind mill, and eligible powder and primary air mixture into pulverized powder separator, gas separation, the separated coal fines into storage to save it from the powder according to the magnitude of the thermal load of the boiler, the control of coal flow discharged coal warehouse bottom while separated from the fines separator as the primary air pulverized coal power delivery, after the pressing of mill powder mixture with the gas mixture into a fine powder fed again by a burner into the combustion furnace.

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