How to carry out daily maintenance of the heating furnace eight preparation before the operation of the boiler
Release time:
2021-09-02
What are the preparations before the boiler operation? Yichang Yingjia Metal Products Co., Ltd. knows or understands the relevant information to analyze, so that you can have more knowledge of the industry besides Yichang Yingjia Metal Products Co., Ltd!
When we use the heating furnace in winter, many customers will ask how to better maintain the heating furnace. Of course, while maintaining the heating furnace, we should also pay attention to the harm caused by the improper use of the heating furnace. Because when the heating furnace overload operation, the grate area unchanged, the boiler heating area furnace volume unchanged, can only increase the amount of coal, so the general boiler coal seam must be thickened, and the grate area to increase. The increase in the amount of coal to increase the temperature in the furnace, the exhaust temperature, although most of the fuel layer combustion furnace is the combustion of the grate, but the volatile and combustible matter will be burned in the furnace, will cause incomplete combustion heat loss increased, while the exhaust heat loss will increase, waste energy.
The heating furnace not only cannot be overloaded but also cannot be operated at low load, because when the load of the heating furnace is reduced, the amount of coal burned will be reduced, the temperature in the furnace will be reduced, and the requirements of the design working conditions will not be met, which will make the combustion working conditions worse and the heat loss of incomplete combustion will be increased. When the load of the boiler is only 50%, it is difficult to maintain stable combustion in the furnace because the temperature in the furnace, therefore, low load operation will also reduce the thermal effect. In daily life, we should also pay attention to the cleaning of dust outside the heating surface tube. Because the general heating surface is a metal wall that absorbs heat from the exothermic medium and releases heat to the heated medium.
For the treatment of ash is also essential, if not often clean up lead to metal wall ash, will seriously lead to heating, thus affecting the output of the boiler, of course, will also affect the thermal effect of the boiler, so be sure to often remove the heating furnace heating area above the dust Hubei, Hubei stove so as to effectively improve the thermal effect of the heating furnace
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1. Check whether all manholes and handhole covers of the boiler are installed, whether the screws at the flange seals are tightened, etc. Together, check whether the temporary partitions and other temporary plugs of the equipment at the flange are completely removed.
2. Dust and sundries in furnace and flue shall be removed and cleaned. The regulating doors and shutters of air duct and flue shall be tight, with sensitive opening and closing and accurate opening and closing instructions.
3. The external furnace wall of the boiler shall be tight, and the furnace door, ash door, fire door and inspection door shall be completely and tightly closed.
4, check the safety accessories are not missing; Whether the cock is sensitive and easy to use; All kinds of appearance and control equipment should be complete, good and clean. After passing the inspection, the pressure gauge cock should be in operation.
5. The valve handwheels on various pipelines of the boiler should be intact, with sensitive switches and sufficient sealing packing. After the inspection is qualified, open the valve on the boiler inlet and outlet water pipes.
6, check the incineration equipment is not missing; The mechanical transmission system, coal conveying system and ballast discharge system are normal. The compression degree of the safety spring of the speed control box shall be appropriate, smooth and outstanding. The indication of the coal ram ruler is accurate. The eagle iron is regular and undefective, the ballast board is undefective, and the movement is sensitive.
7. Check whether the coupling of auxiliary equipment (what preparations are made before the operation of the boiler, blower, water pump, etc.) is firmly connected. The triangle belt is properly tightened; Smooth oil should be outstanding and sufficient; Cooling water is dredged. After checking and passing, install the safety shield, leave for trial operation, and pay attention to the current during idling. The dust outlet of dust removal equipment shall be closed tightly without air leakage.
8. After checking that the boiler meets the operation request, it can start. Open the air valve on the drum when entering water. The water intake should be slow. During the water intake period, check the manhole, hand hole and valves at various parts to see if there is water leakage on the flange. Otherwise, stop filling water for treatment.
The above is a brief introduction to "what are the preparations before boiler operation". our company also has many related products such as Yichang yingjia metal products co., ltd. if you are interested, you can contact us for more details!
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What are the preparations before the boiler operation? Yichang Yingjia Metal Products Co., Ltd. knows or understands the relevant information to analyze, so that you can have more knowledge of the industry besides Yichang Yingjia Metal Products Co., Ltd!