China Gas Heating Hot Water Boiler

Gas Steam Boiler Water Wall Tube Explosion Analysis and Processing With the west-east gas project in-depth and complete, and the "coal to gas," the implementation of Beijing, Urumqi, Daqing and other cities and district heating heat source to promote the use of gas-fired boiler . More commonly used gas-fired boiler type D, type 0, A-type, p-type [1-2], these four basic types of furnaces by dividing the furnace cross-sectional shape. Wherein, D, 0, A-type small capacity boilers belonging horizontal boiler, boiler Ding is a large vertical boiler. The four furnaces are used membrane wall structure, eliminating the flue gas leak, reduce heat loss and improve the thermal efficiency of the boiler, ensure the stability of the structure. A compact, short installation period, high thermal efficiency, low noise, low energy consumption, low emissions, long life (design life 30a), adaptable load fluctuations and other characteristics can be controlled by computer program running faults and Protective function. Domestic slightly less than the amount of evaporation experience in the development of high-power gas steam boiler in the 75t / h or more, most of the development work is based on the introduction of Europe and learn from small gas steam boiler above. China's own design of high-power gas steam boiler in the course of running more than a vibration, burst pipes and other problems. This paper discusses some evaporation of the squib causes and treatment of boiler waterwall 160t / h of a gas steam.

Pressure steam boiler shutdown fire you do not know the techniques and precautions steam boiler refers to water heated to a certain temperature parameters and the production of industrial steam boiler, the water in the steam drum is heated to become vapor, fire emits heat in the furnace, It is the principle of the steam boiler. Steam boiler belongs to special equipment, design, processing, manufacturing, installation and use of the boiler must be supervised by technical supervision departments, users only get to use the boiler permits to use steam boilers. Fire pressure steam boiler shutdown is interrupted by slowly burning until the load drops to zero until a planned shutdown. Specific steps are as follows: 1, to reduce boiler load, according to the length of time of shutdown, the seam thicker, the thickness is generally not more than 200 mm, suitable to accelerate the speed of the grate. 2, the distance to the thick seam slag is about 1 mm grate stop rotation of the drum is stopped, the operation of the induced draft fan, blowing off a small segment of the regulating plate stopper and dampers qs, relying on natural ventilation to maintain coal lean-burn, the sewage, boiler water level will rise to the maximum allowable level. If the fire burn coal gate, grate can be switched on again, the gas will move back some distance. 3, the recovery boiler needs to run, as long as the opening lead, a blower, to adjust the smoke, and the wind baffle plenum segment adjusting the opening degree of the shutter, the adjustment of combustion steam boiler seam thickness to be normal, start grate, to resume operation .

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Weekly maintenance items which are mainly oil-fired boilers in order to protect the security of the oil-fired boiler conducted its weekly examination is indispensable weekly to check the project are nine. 1, low level shutdown, shutdown test to be performed, according to the control cabinet side panel button, or should be able to simulate the shutdown by the sewage water, low water levels to check .2 shutdown, the valve manual opening Test , .3 to quickly reset, the burner control system and the electric eye to be examined, electric eye photocell taken, should the inner shutdown, and .4 electric eye cleaning, or replacement of the valve packing for filling, eliminate leaking. 5, around the fastening bolt, in particular a gas piping system, if necessary, to leak .6 month to clean the oil filter, the oil passage decontamination boiler fuel, gas pipe line filter .7 every six months to maintain. verification gauge tube and cleaning table .8, maintenance level electrodes, remove, .9 with fine sandpaper, cleaning the flue, generally based on the exhaust gas temperature needs to be cleaned to determine whether, under normal circumstances, exhaust gas temperature at the outlet does not exceed the boiler, measuring flue entrance) represents a too high fouling increase, reduce boiler efficiency, it must be cleaned, especially fuel boiler, to be more frequent cleaning. on the one hand, to the economy consider, on the other hand is also out of consideration (soot on safety thermal conductivity After partially burned prone). When replacing asbestos cleaning pad to the wrong port lap method (anti-smoke Ran), graphite coating, not lubricated .4) boiler repair or inspection, to check manhole, first hole, hand hole nuts can not be loosened, to check the motor rotation (see the end from the fan, turn counterclockwise). oil-fired boiler once per year check valve. conduct a comprehensive overhaul of the boiler serviced once.