After the gas 2t hot water boiler fully automatic jordan hot water boiler vaporization emergency 1. Vaporization handler circulating pump stops abnormally pump failure caused by: ① blower stops running immediately. ② immediately open the door, take measures to pressure the fire, lift the chute gate, cutting off the supply of coal grate. ③ In the case of boiler pressure not greater than 0.6MPa (600KPa), the exhaust valve to follow, only a sharp rise in pressure in the boiler deflated, used only relief exceeds 0.9MPa, and the exhaust process to be carried out slowly, prevention boiler due to loss of pressure and more violently again vaporized. ④ close the boiler water, water main gas valve. ⑤ open stop valve recirculation line, to ensure that the water supply pipe velocity convection heating surface (economizer) to prevent re-vaporization of the economizer. ⑥ The operation of the above operation, at the same time to pay the boiler to reduce the boiler water temperature and the furnace pressure. ⑦ After the boiler pressure is normal, i.e., opening the standby circulating pump, into the normal combustion. 2. Treatment failure or sudden loss of power boiler vaporization of power: ① immediately open the door, lift the coal chute slide gate to take pressure fire measures to reduce the oven temperature. ② Grate with the fastest speed in order in the shortest time to fire onto the slag tap. ③ the degree of treatment in the first case. Once a short time can not supply heating network system, antifreeze should take emergency measures. 3. Due to excessive heat boiler boiler vaporization process: ① the immediate closure of the drum, induced draft fan. ② immediately open the door, take measures to pressure the fire, lift the supply of coal chute slide gate, off of coal, while the grate into fast gear. ③ In the case confirmed the presence of water, the boiler can supply water to the boiler body, boiler out of the water while closing the main valve. ④ Open line stop valve recirculation pump to ensure water velocity convection heating surface of the pipe, to prevent the economizer again vaporized. ⑤ Open circulating pump with jog mode, jog each time less than 30 seconds, again less than one minute jog interval. Jog purpose is to reduce the boiler water temperature, while preventing a large amount of steam into the pipeline system. ⑥ back into place after the safety valve, circulating pump running, and then the normal burning stove. 4. Water boiler system run vaporization process due to water loss, loss of pressure caused by: ① immediately closed drum, induced draft fan. ② out of the water while closing the main valve and the boiler circulating pump. ③ take the same measures to cool the furnace tube described above. ④ Open stop valve recirculation line. ⑤ rely exhaust valve until the safety valve back into place. ⑥ until the boiler water temperature drops below 50 ℃, when the temperature of the furnace temperature less number 200 ℃, again within the boiler feed water, water course to be carried out slowly, to prevent harm to the boiler when the temperature is too large. ⑦ After processing leakage fault, the system time to the replenishment, and out of the water boiler always open the valve, and the circulating pump, and then normal combustion.
Water produced by the following factors: the temperature of the flue gas (91% in order to achieve thermal efficiency, the temperature of the flue gas needed to reach 170 ℃), where the total surface area of the heat chimney, chimney and chimney material. Maintenance of the burner. Electric steam boiler and burner maintenance, repair after steam supply. Because the products of combustion will corrode the boiler, clean up carbon deposits, therefore, not allow the products of combustion in the boiler memory stay too long. 3, clean electric boiler essential content.
Strict accordance with the operation of the gas steam boiler feed water softening process is provided gas steam boiler fouling not only reduces the thermal efficiency of the boiler, but also increases the temperature of the boiler heating surface, damage to the heating surface, even causing the boiler explosion. Thus, soft water treatment equipment, strict accordance with the operation of the boiler feed water softening processing apparatus, the control of boiler feed water quality, delay the formation of scale. At the same time, real-time control the size of the boiler, boiler scale control, cleaning the scale, if necessary, it is very important. Since the gas steam boiler and vapor - water heat temperature is higher than the temperature of the air system of the boiler room, part of heat to the surrounding air by radiation and convection, which became the heat loss. boiler. Accordingly, when the insulating layer and the heat pipe of the boiler system damage or leak is detected, it should be repaired, to reduce heat losses. Steam boiler burner gas noise increases, mainly because of lack of or close the valve in the oil passage into the oil, oil filter plugging; or into the oil due to the low temperature viscosity is too high or oil pump. Temperature is too high; oil pump failure; fan motor bearing damage; dirty because the turbine wheel, the device too loud. When said failure when using gas boiler, and since the viscosity of the oil is too high, atomization is not easy (heavy oil); and because the distance between the nozzle and the cyclone unsuitable; In addition, since the burner worn or dirty; also because reserve tank temperature is too high, leading to the oil pump steam; oil boiler or because the oil is hydrated. Gas steam boiler feed water containing various impurities and calcium and magnesium scale substances, boilers inevitably expanded. Very low thermal conductivity of the scale, once contaminated surface is the surface heat, the exhaust gas temperature of the boiler will increase, and due to the increase in thermal resistance, heat loss of the exhaust gas will increase. Experimental data show, 1mm scale formation in boiler heating surface, the heat loss of the exhaust gas will increase from about 2-4%. Scale thicker boiler heating surface, the greater the resistance, the lower the thermal efficiency of the boiler.
Fangkuai Boiler has carried out a large-scale welding revolution, eliminating traditional manual welding operations with low efficiency, low accuracy and poor stability, and converted it to the use of mechanical welding equipment with high efficiency, high accuracy and high stability for automatic operation . Realize welding automation of all important parts from the drum to the tube sheet. The submerged arc welding, argon arc welding, carbon dioxide welding and other welding details of the process have also made corresponding intelligent changes, workers' welding environment is cleaner, and the quality of boiler welds is more guaranteed.
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