Steam Gas Fired Vertical Boilers

Steam Gas Fired Vertical Boilers

4 tons of fuel steam fired vertical boilers Product description: 4 tons of fuel oil boiler is heated by a burner, fuel atomization effect, fuel combustion, can not see the chimney smoke, so the green fuel boilers, energy efficient. After spraying fuel through the burner into the furnace in the atomized droplets, and easily mixed with air and the rapid combustion heat flash. Compared with coal-fired boiler with the same capacity, and parameters, which furnace volume heat intensity may be increased about twice. But to reduce the thermal load of the burner zone, in order to avoid overtemperature waterwall tubes in this area, so the furnace volume is only reduced by about 1/3. Because the ash content of fuel oil is small, without slagging in the convection heating surface, it allows the furnace exit gas temperatures as high as 1300 ~ 1350 ℃, and narrow a pitch between the convection heating surface to increase the flue gas velocity, thereby increasing the heat transfer coefficient of the heating surface, the heating area savings and steel. Features: 1, the boiler burner automatic combustion control in accordance with instructions, stop, separate control box has a number of security, performance, security and stability, low maintenance. 2, the inner fire tube inserted spoiler retardant, smoke slow speed, to strengthen the heat exchanger, combustion heat conducting large extent to the water, the low temperature flue gas discharged from the smoke chamber, reducing heat loss and save fuel. 3, the water level sensor water level real-time monitoring, to continuously monitor the water level is normal furnace. While controlling the temperature and replenishment level sensor solenoid valves, the boiler water may be continuously supplied. 4, centrifugal multi-layer insulation glass wool, steel for packaging famous white color, heat loss, anti-rust appearance. 5, the product is widely used in hospitals, schools, hotels, hotel, bath center and other enterprises. Boot check: 1, various instruments, whether the instrument to confirm the adequacy of fuel tank, and the inlet valve is opened. 2, confirm the soft capacity and the water tank boiler water quality meets the requirements of the main valve is opened and boiler feed water inlet valve. 3, rotation of the oil filter to remove debris. 4, drain the remaining water in the boiler, while the opening operation of the low level alarm and chain. Boiling furnace process: 1, before the new boiler furnace should be boiled to remove impurities and dirt inside the boiler, or trisodium phosphate soda cooking oven may be employed to prepare a 20% concentration was added furnace (not note the solid directly into the furnace). 2, after closing the steam valve and the water table Hancock, opening the vent valve according to the procedure stoker firing power may be low heat and temperature rise at the beginning, when there is moisture in the furnace, close the vent valve when the valve is discharged from the vent, the furnace pressure is raised to be at around 0.1MPa, the boiler should be checked for leakage and various accessories such as fittings, if any leakage should be promptly fastened. 3, when the pressure in the furnace reached 0.3MPa, the normal shutdown program shutdown, let the furnace pressure decreased to 0.1MPa or less, the drain valve open, give up all the water in the furnace. 4, opening into the hole, rinsed with soft water inside the boiler until the washing water coincides with the degree of acid-base soft water, after closing and opening into the hole Hancock water gauge. 5, after the completion of cooking stove washing, all restore normal operation, before normal operation stoker.

Low NOx emission combustion steam fired vertical boilers technology a boiler combustion boiler hypoxic hypoxia NOX emissions from combustion is the easiest way to control. And a combustion burner system does not need to make any changes, only control air flow into the furnace in operation, pulverized coal combustion process as close to the theoretical combustion air amount. Low oxygen combustion scheme can reduce NOX emissions by 20% to 30%. The program practical application subject to conditions. Low oxygen furnace, will increase the amount of unburned carbon, and more difficult for the flame of burning coal more obvious; Further, the CO concentration is also increased so that smoke, which will cause decreased boiler efficiency. Another problem is that for certain boilers, hypoxia causes the main combustion steam or reheat steam temperature is low. The burning coal to immediately, boiler efficiency and reduce the magnitude of steam temperature and other properties to determine the appropriate control value of flue gas oxygen furnace outlet (at or economizer) the specific embodiments. Second, air staged combustion technique combustion air into a plurality of strands, it is gradually mixed and pulverized coal combustion, so you can see the local area to reduce the air-fuel ratio, and the thermal decomposition of coal in the ignition phase, due to hypoxia, and thus the nitrogen oxide generation is suppressed. Air classification may be implemented within the combustor, the boiler can be completed within. 85% of the amount of air required for complete combustion is introduced to the main burner, the main burner combustion zone is insufficient oxygen for the fuel-rich conditions. Due to insufficient amount of oxygen, the flame temperature is low, the amount of nitrogen oxides to less generation of fuel nitrogen intermediates (e.g., NCH, NH3, etc.) will therefore not be oxidized NOX. Meanwhile, it has been possible to further reducing NOX generated in a reducing atmosphere to molecular nitrogen (N2 of), as a result reduces NOX emissions. An upper portion of the top floor is provided Ge overfire air (of OFA) spout into the furnace through which about 15% of the rest of the air, to avoid the high temperature flame zone, it is also possible to burn unburned carbon particles, to complete the combustion process.

Safety rules steam steam fired vertical boilers steam boiler production, life indispensable important equipment. Boiler room is a vital part of my unit. Steam boiler having a high temperature, high pressure characteristics in use. Such as poor management, will be an accident, causing casualties, the production interruption caused serious losses to the school and state. So each time fireman and maintenance personnel to maintain a high degree of responsibility in their work to ensure the normal operation of the boiler, strictly adhered to. A strict compliance system fireman job, to play unity, mutual help support the spirit of love. Second, improve and maintain boiler equipment, keep boiler room tidy, attention and strive to save coal, water, electricity. Third, in the boiler operation to maintain a predetermined pressure, temperature, pressure must not exceed. Pay attention to discern false water level. Bearing in mind the piping, valves and the valve opening position of the distribution status of operation. Gradually closing the valve should be open or closed on the side of the handwheel. Always pay attention to the old boiler malfunction and run accident precursor, should understand the reasons for treatment and prevention of its occurrence. When the need for urgent and emergency shutdown. Keep in mind the role of the distribution board each button, leaving no more than a total pressure during shutdown and cut off the power supply. Fourth, coal hopper raised or lowered, the lower non-coal hopper to stand, the suction air blower, fan, Java machine, near the transmission gear portion, careful attention to production safety, to prevent accidents. Fireman must stick to work, and offenders a fine deal. V. PREPARATION carefully, to prevent explosive materials hazardous materials into the furnace. Plow winter freeze to prevent collapse injured seam. Coal prevent collision, twisting, crushing, usually using a tool in order. Around six, switchboard and non-flammable metal was stacked, and against dust, attention to fire prevention. Sewage on time, clean the filter in the soot. Seven, when circumstances such as fire or electrical failure in the event of boiler operation, should take urgent measures to monitor and report immediately. Eight, to be reasonable gas, save gas, stop running, take, leak, to prevent burns. IX When the boiler room accident, failure in dealing with accidents, incidents and unclear responsibilities, fireman shall not leave the boiler room. Ten, who caused the accident, were the situation to criticism and other penalties for illegal operations. XI, each class set up a part-time security officer, the implementation of strict supervision, safety procedures, the implementation of the security staff of personal responsibility.

In October 2016, my company and the China Dunhuang International Hotel signed a ZWNSL2.1-1.0 / W-Y.Q vacuum condensing gas hot water steam fired vertical boilers to provide heating and hot water for the hotel. The boiler implementing the response to the national policy of environmental protection requirements and local environmental protection departments on a series of low nitrogen emission standard boiler requirements, in terms of design, manufacture, installation and other sectors have strict checks to ensure that the boiler safe and stable operation.

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Steam Gas Fired Vertical Boilers

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