Gas-fired heating is to protect human health and indoor warm natural gas boiler with natural gas, LPG, city gas and other gaseous fuels for fuel combustion in the furnace put out heat, heat the pot of water, and it vaporized into steam the thermal energy conversion device. Water pan (drum) is continuously released from the combustion of a gaseous fuel energy to heat the furnace temperature is increased and produce steam under pressure. Since the boiling point of water increases with increased pressure, the pot is sealed, the expansion of water vapor generated inside the pressure limited thermodynamic formed, strictly speaking, the high efficiency oil or steam boiler is heated in water at constant pressure saturated steam drum regasification water formed, is widely used as an energy source. Gas-fired heating is to protect human health and indoor warm, so the choice of natural gas boiler when security issues are important, but the quality can not be ignored, and only with good quality, just more comfortable when in use, some of the services also can do better, choice of heating is customer satisfaction. Learn natural gas boiler certainly need to know the sales of the product, and if it shows good reputation natural gas boiler in the comprehensive aspects are still very good, worthy of consumer choice, performance, and thermal energy conversion can consult, when such use was not there will be problems when installed, do not worry voltage is not enough. Gas boiler shutdown method: after stopping a powder, a duct for 5 minutes and then purged to stop the gun. Oil gun should be purged one by one, not at the same time purging multivessel oil gun. After completion of purging gun oil, natural ventilation of the boiler furnace 5 to 8 minutes, 20 ~ 30% of the air volume is not less than the rated load. To exclude combustible material remaining in the furnace. The fuel gas-fired steam boiler can be divided into natural gas, city gas steam boiler, a steam boiler coke oven gas, LPG and steam boiler; according to the structure can be divided into vertical and horizontal steam boiler steam boiler. Gas boiler shell type three return all wet back downstream pyrotechnic pipe structure, the combustion flame in the combustion chamber large positive pressure, fully extended, low combustion heat load, the high heat of combustion efficiency, effectively reducing the exhaust gas temperature, energy saving , more economical, and a waveform furnace threaded pipe structure, i.e. increase the strength of the heat absorption of the boiler, but also to meet the needs of thermal expansion of the heating surface, scientific and rational, and durable.
After the gas-steam circulation pump approach failed for some time to use gas steam oven, it will produce a precipitate. At this point, we need to clean heat transfer oil furnace, but before cleaning, we need to know what kind of sediment, and then cleaned the right way, if the heat transfer oil, grease appears very easy to make the wall thermal resistance increases, will increase the production of energy, gas steam liquidity will deteriorate, production will be reduced, the operating cycle will shorten the life of the device will be. Shorten, which in turn affect production. Some of the more common gas high efficiency oil or steam boiler deposits are: sulfate, carbonate, silicon and iron. Acid sulfate does not bubbling, since relatively hard sulfates, carbonates decompose at high temperatures, the bicarbonate will dissolve, but the release of carbon dioxide will form an insoluble carbonate salt. When the temperature reaches 300 ~ 400 ℃, hot oil furnace thermally cracking occurs. It will produce carbon deposits on the inner wall and an inner wall, it affects the heat transfer efficiency. Easy to produce oil furnace heat transfer in high temperature environments. Thermal cracking, thermal polycondensation, and its kinematic viscosity increases, the fluidity deteriorates internal oxidation of the oil pipeline, oil conductive accelerated failure, the machine will be damaged, endanger human will be high. Steam oven gas processing cycle pump failure: (1) When the current is below the normal circulating pump, the circulating pump efficiency is lowered, the flow rate is reduced, the fouling of the heating pipe may be blocked, it should be cleaned. (2) circulating pump pressure constant, the current increases, flow decreases. Bad heat transfer fluid, the viscosity increased, should be replaced or regenerated. If the system does not remove water or aqueous decomposition newly heated conductive liquid should be immediately opened exhaust valve to the exhaust gas. (3) circulating pump current is reduced, the pump outlet pressure back to zero, indicating that the pump is not idle. It may be vaporized oil, gas and steam oven measures to find the cause vaporization; if the filter is clogged, the circulation pump should be evacuated and cleaned immediately opens the bypass filter; if the heating fluid contained in the new water or heated water, the system does not exclude the decomposition gas, the exhaust valves should be opened immediately exhausted.
Steam boiler rules Henan fast boiler with small series to introduce the company's high efficiency oil or steam boiler operating procedures. First, the components of the steam boiler before oven cooking oven and check (a) and oven cooked boiler furnace must be checked in detail. Check the following items: 1, cold chain grate test more than 24 hours, cold test should meet the following requirements: (1) grate should be smooth turning chain wheel axle, found arched, two tension bolts can be tightened. (2) the active grate sprocket good occlusion. Minimum gap (3) on both sides of the active grate block with the side seal and the side seal angle not less than 6 mm. Distance (4) on both sides of both ends of the furnace grate platoon leader pin in the sprocket should be kept equal. If it is found at one end to the occurrence of side friction, long waist-hole may be a tap with a hammer, the end surfaces on both sides remains equal distance. (5) steam boiler grate rotated without jamming, deviation phenomenon, when the deviation found by the inspection hole into the rear grate tail, the tie bolt align the two bearings of the drum, deviation phenomenon can be eliminated. The boiler has ignition combustion, still need to transfer found Hearth n, just before two adjustable chain tensioning bolt shaft directly outside the furnace, but preceded align the front sprocket shaft and a gearbox connect the safety pin or bolt removed until after squaring shaft to a gearbox with a chain alignment pin or bolt after tightening, may otherwise result in misalignment with the sprocket shaft of a gearbox and mechanical damage. (B) Check broken grate furnace platoon leader pin is bent, if long waist hole in the furnace may be carried out at any time platoon leader pin alignment reload. (C) a chain grate does not allow foreign matters (such as bolts, nuts, nails and other iron) is present. (D) firing door open and flexible, easy to open and drop the shutter coal, coal gate left and right side of the grate surface distance equal to, the thickness of both sides of the seam to ensure equal furnace, as a method for reducing ranging from links available to make equal, coal shutter cover plate should cover tightly to prevent leakage into the coal, coal stuck shutter. (Five) of each grate windshield of smoke damper and damper adjustment inside the flue flexible switch. (Vi) blower, Fan, Java machine, commissioning normal water supply equipment. (Vii) manhole, hand hole is tight, attached parts fitted Ge are complete. (Viii) the furnace wall is normal, the flue is tight. (Ix) steam boiler pipes, water pipes, sewage road is complete. (J) all filled with lubricating oil in the bearing housing and oil cup. (Xi) All electrical equipment should be empty running test, inspection equipment, and other electrical lines is intact.
Coal-fired boiler to carry out a comprehensive investigation and remediation work, Luohe City, Henan Province, Li Jizhen provincial, city and town each environmental supervision departments centralized call the relevant personnel, three-pronged approach to work.
First, a comprehensive investigation to find out the base.
Li Jizhen town for all industrial enterprises, restaurants, vermicelli processing plants, farms and other coal-fired boiler with a boiler units diagnostic investigation, the establishment of coal-fired boilers ledger, so base-clear, the situation is clear.
Second, clear standards, conducting pressure.
Town leaders organized the renovation work conference of coal-fired boilers, the boiler so that the user's overall reform and the dismantling of scheduling, the town must be eliminated in the formation of boiler upgrade, you do not need to be removed out of shutting down consensus.
Third, actively coordinate, and assign responsibilities.
Natural gas is being implemented in conjunction with the "double substitution", and actively coordinate the gas boiler equipment suppliers in collaboration with the local gas company, entered into a collaboration, timely completion of "substitution of gas for coal" upgrade tasks.
As of now, the town has shut down six coal-fired boilers, the implementation of "substitution of gas for coal" boiler upgrade eight, effectively promote the prevention and control of air pollution.
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