Factors affecting the thermal efficiency of gas boilers What? 1, exhaust gas temperature: the temperature of exhaust gas boiler is generally increased by 15 degrees, heat losses will be increased by 1%. 2, the oxygen content of the furnace: the excess air factor, when an excessive increase in heat losses, is too small incomplete combustion loss increases. 3, furnace pressure: positive pressure when the furnace operating conditions reasonable time, can effectively avoid the intrusion of the cold hearth, a negative pressure may increase the air ratio to increase the exhaust loss; 4, insulation factor: this factor mostly caused overhaul , when the boiler is located somewhere in the inner part faulty insulation, insulation must be removed for repair, the repair is completed after the insulation layer can not be repaired, resulting in increased heat boiler heat loss. 5, piping: soda pipe, gas pipe and smoke is no need to have some air pipe bends and valves, increasing the resistance to fluid flow in the pipeline, at the same time, some of the valve system is not fully open, to form a fluid expansion, increasing the local resistance loss of the working fluid.
From March 18 to start, Lujiang County, Anhui Province north of the Market Authority on the area of internal security to carry out a special inspection of boiler pressure boiler; To ensure the safe operation of this special equipment, complete elimination of security risks.
The inspection mainly troubleshoot and eliminate hidden dangers in the management and operation of the boiler links exist, focus on examination of whether to establish safety management systems and procedures; whether to set security management or part-time security management staffing; whether workers with valid work certificate for employment; boiler operating records, inspection records and shift recording is complete; if the boiler for the use of registration; whether the inspection within the validity period; check valve is within the validity period, the pressure gauge whether the test within the validity period. Up to now, law enforcement officers dispatched 27 people, focus on examination of 12 times the focus of special equipment supervision units, hospitals, schools, boiler 20 times, do not meet the specified use in accordance with the boiler "Special Equipment Safety Law of People's Republic of China." requirements, issued a supervision instructions, requires immediate rectification unit, for there is no regular inspection of boilers or unqualified, shall not be put to use.
For details about the hot water boiler: the use of fuel combustion boiler is released to heat or other energy working medium is heated to a certain device parameters. A hot water boiler for heating the water so as to increase the temperature into the hot water boiler. Hot water boiler is important to the national economy heat supply equipment. Electrical, mechanical, metallurgical, chemical, textile, paper, food and other industries, as well as industrial and civil heating boiler needs to supply large amounts of heat. Saving effect of hot water boiler design structure: during use of the hot water boiler can be useful in the process of complete automation in the necessarily extent, so that the combustion will boiler water temperature and the fuel may be automatic control, energy saving can be reached then the purpose, in general, automatic hot water boilers commonly used in hotels and guesthouses, saving the cost of personnel to deal with. The primary hot water boiler is the choice of a full butt weld wet back structure, the disadvantages of such a structure after the device processing chamber smoke long time by high temperature flue gas erosion, must be easily damaged or the like on the extent to ensure that the boiler can always be kept safe and reliable operation Happening.
The circulating fluidized bed boiler became rapid development since 1979.
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