delicate processing gas hot water fire tube boiler agent

Auxiliary means configuration of the auxiliary delicate processing hot water fire tube boiler agent apparatus comprising a boiler fuel supply means, air blowing means, the wind means, water supply means, means ash, dust removal device, instrumentation, valves and other automatic control device. Today small to introduce a boiler with auxiliary devices. A boiler fuel supply role is to store, transport, supply of the fuel. There are coal, to the media devices (mill, of mill, and coarse powder separator and lose powder duct), and supply means (for the fuel heater and the like), a gas supply device and the like. Air blowing means which effect a treasure ah blower and duct, the grinding media and air into the furnace through the air preheater apparatus. Blower apparatus, comprising a draft fan and the smokestack, speaking furnace flue gas to exclude air sent. Water supply means comprises a water tank, water supply pipes and water treatment equipment, boiler feed water away. In addition to ash means ash comprising artificial addition, other mechanical ash, ash in addition to water, in addition to the negative pressure pneumatic ash, soot blowers, and other field ash, ash from the boiler and out away. Dust removing device, which includes a variety of dust action of gravity, inertial force, centrifugal force, washing bar-type, sound wave, filtering, static electricity, etc., fly ash out of the boiler flue gas, to protect the environment. Instruments, automatic control devices and valves, including the role of pressure gauge, a thermometer, a water level gauge, the alarm level, the relief valve, water meter, steam flow meter, pressure meter, indicating the exhaust of carbon dioxide and other instruments, a steam valve, a valve, a check valve, like the valve discharge valve, and automatic detection, automatic protection, control and automatic adjustment and automatic computer control means. The boiler more safe, economical operation. These are the auxiliary device structure of the boiler, I believe you must have learned a lot of knowledge of it, I hope this helps you make better use of boiler equipment.

Fangkuai Boiler is a clean-up delicate processing hot water fire tube boiler agent equipment based on various excellent scientific and technological advancements, focusing on product development, manufacturing, and manufacturing that are more efficient, environmentally friendly, and energy saving, and meet the basic national conditions of environmental protection in China. In order to promote the rapid development of the heating furnace manufacturing industry, people-oriented, consider the specific requirements of customers in the manufacturing industry for heating furnaces in various industries.

When we use the delicate processing hot water fire tube boiler agent, it is unavoidable to have faults or abnormal phenomena, but in order not to affect the normal use, when the boiler appears problems should be dealt with in a timely manner, then in the face of all kinds of circumstances, how should we deal with it? Share with you some ways to handle exceptions. If only the boiler circulating pump abnormal, such as its current reduced, outlet pump pressure return to zero, which means that the pump is idling non-oil, may be caused by vaporization of oil. Therefore, first of all, Yang should take measures to identify the cause of vaporization; if the filter blockage causes the circulating pump to empty, the by-pass cleaning filter should be opened immediately; such as the new heat transfer fluid containing water or Water-decomposing gas is not excluded in the system, then the open valve should be opened immediately. If the circulating pump pressure is constant, the current increases and the flow rate decreases, the heat transfer fluid is metamorphic and the viscosity is increased, so it should be replaced or regenerated in time. If the gas containing water or decomposing is not excluded from the system due to the new heat conduction fluid, the gas should be discharged immediately by opening the valve. When the current of the circulating pump is lower than the normal value, it shows that the efficiency of the circulating pump is lower and the flow rate is decreased, which may be the fouling blockage of the heating pipeline, and the stainless steel chain should be cleaned. If the pressure difference between the front and back of the filter in the boiler increases and the pressure of the pump inlet drops, the filter may be blocked. The bypass should be opened and the filter should be turned on. Remove cleaning. In addition, the low outlet temperature of the liquid-phase heat carrier furnace and the lack of heat supply are mainly due to the problem of ash accumulation, so soot-blowing should be carried out in time. A more common problem with the boiler's grate is that it is stuck because it is broken or loose after the pin has fallen off; metal inclusions in the coal trap the grate; the grate is arched; and the tip of the slag stopper sinks to jam the grate. In view of this phenomenon, it is necessary to clean up the debris with the plate hand-down converter row, replace the broken furnace platoon and start again, if it is stuck again after the start-up, then check the causes after stopping the rotation and solve the problem in detail. At the same time, it is necessary to adjust the screws on both sides and tighten the grate, if it is still not correct. Often, you need to change the sprocket.

Why delicate processing hot water fire tube boiler agent furnace exhaust gas temperature increases heat losses the heat loss is largest in a boiler, furnace 6% is generally fed to the heat, the exhaust gas temperature increasing every 12 ~ 15 ℃, heat losses to an increase of 0.5%. Therefore, the exhaust gas temperature is one of the most important indicators boiler operation. Here are a few reasons may cause the furnace exhaust gas temperature rise: (1) heating surface slagging, fouling. Whether waterwall slagging furnace fouling, or superheater, convection bank, and economizer preheater fouling are due to increased resistance measured smoke, heat deterioration of the cooling effect deteriorates the flue gas, resulting in increased exhaust gas temperature. (2) the excess air ratio is too large. Under normal circumstances, the furnace outlet increases as the excess air ratio of the exhaust gas temperature rises. After the excess air ratio increases, while the amount of smoke increases, the speed increase of smoke, heat strengthening of exiled, but less than the degree of increase in heat transfer gas volume increases more. It will be appreciated as the tobacco rate increased, the time to heat to the flue gas working fluid left the heating surface. (3) leakage factor is too large. Tail shaft furnace and boiler flue negative pressure leakage is inevitable, and provides a heating surface allowed leakage coefficient. When the coefficient of air leakage increases, the influence of the exhaust gas temperature and overfire air coefficient increases similarly. And the closer the leakage furnace, exhaust gas temperature raising effect on the greater. (4) water temperature. When the turbine load is low or high pressure splitting when the heater temperature of the boiler feedwater will decrease. Generally, when the water temperature rises, if the amount of fuel is maintained constant, the temperature difference decreases economizer, economizer heat absorption decreases the exhaust gas temperature rises. (5) the fuel moisture. The fuel in the flue gas to increase the amount of water increases, and therefore the exhaust gas temperature rises. (6) boiler load. Although the boiler load increases, the amount of smoke, the amount of steam to the water, the air amount increases in proportion, but since the furnace exit gas temperature is increased, so that the exhaust gas temperature rises. After the load is increased to increase the furnace outlet temperature, followed by convection heating surface temperature difference increases, an increase in heat absorption, the more so the convection heating surface, the smaller the impact load change of a boiler exhaust gas temperature. (7) The fuel species. When burning low calorific value gas, since the furnace temperature is lowered to reduce the radiation heat transfer in the furnace, the low calorific value gas in a non-combustible components, mainly N2, CO2, H2O more, the amount of flue gas increases, the exhaust gas temperature rise high. Pulverized after burning oil, although oil-fired furnace outlet when the excess air ratio than the coal is low, but the little ash fuel oil, and no larger soot particles, larger ash particles in the flue gas absent the cleaning action of surface heating, convection heating surface more polluting. So bad combustion, often black smoke boiler flue gas temperature. When the tail has means ash ball, since the tail cleaner, the exhaust gas temperature is slightly lower than the burning coal. (8) milling system operation. Bunker has a reservoir of closed milling system is concerned, when the pulverizing system is running, because a portion of the water in the fuel into the furnace, the furnace temperature is reduced and the amount of smoke increases, the leakage into the pulverizing system is running as the primary cold air air into the furnace, to reduce the amount of air flowing through the air preheater to the exhaust gas temperature rises. Conversely, when the exhaust gas temperature is reduced pulverizing system outage.

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