2 tons of gas water boiler prices

Note the use of the gas boiler which has a new gas boiler is used for heating boiler equipment, now this device has demonstrated its exceptional thermal performance in many areas of our country, and want to make a reasonable quality in use gas-fired boiler to play the best features you should master the operation of the Notes, the following small series tell you about the use of gas-fired boiler precautions have what? (1) selection of good thermal and oxidative stability, strong anti-coking HTF. Be careful not to choose scented and deep color when purchasing gas boiler conducting oil conducting oil. HTF with the life of carbon residue, an acid value, flash point, viscosity 4 which measure. Consumers need to make semiannual oil testing the use of gas-fired boiler, conducting oil to grasp the good quality operation. Found in gas boiler runtime problems timely replacement of heat-conducting oil, and find out the cause and prevention of deterioration of thermal oil in advance. At the same time we must strictly do HTF different product numbers do not mix. (2) strict quickly and decisively, always observe the rules should be in accordance with the use of gas-fired boiler, anxious to avoid the fire to heat up, over-temperature, over-pressure, to take urgent measures to shutdown the expansion tank the oil level and oil temperature, such as lack of oil should be added to prevent air and water into the oil circulation system. And direct contact with air after the heat conducting oil will accelerate the reaction it is necessary to prevent direct contact with the air temperature oil. (3) improve the thermal efficiency of the gas boiler hot oil boiler, timely removal of grime on the gas boiler furnace line the inner wall and the wall plate to ensure good heat transfer, and should as far as possible the use of better quality coal, the combustion gas boiler furnace temperature must be reduced to the specified range in order to shut down the circulation pump when the heat generated by coal timely and comprehensive transfer to the HTF (4) shall not be closed for oil circulation pump shutdown boiler insulation, each time you turn the gas boiler should be asked to turn on the circulating pump. In case of a sudden power failure or circulatory failure, in addition to using external cooling ventilation must be replaced with a cold heat transfer oil. The above is several precautions to use gas-fired boilers, and consumers regular cleaning conducting oil pipelines, gas-fired boilers to reduce the impact attachments generated at high temperature for conducting oil quality, the only way to ensure the most professional presentation gas boiler optimum heating efficiency to help consumers get a better life.

Several problems into a coal-fired boiler fuel gas boiler fired boilers changed several issues should be noted that the fuel gas boiler: fuel oil (l) high temperature corrosion of the fuel used in the boiler, containing an organic salt of a metal element as sodium, vanadium class, after combustion of the low melting point eutectic oxide crystals, generally of about 600 ℃, or even lower. These oxides sublimation at a high temperature furnace, then condensed in a lower relative temperature of the heated surface to form a high temperature corrosive fouling. Is characterized by high temperature corrosion: the metal began to appear at temperatures in excess of 580-620 deg.] C, the higher the temperature, the faster the etching. High temperature corrosion measures to prevent: l) the use of additives. Mainly magnesium, calcium oxide, hydroxide or dolomite (CaC03, MgCO3) and the like, these additives can generate a high melting point compound with the component acting in a high temperature fouling, the fouling becomes loose and shape, so as to avoid or mitigate high temperature corrosion. 2) use high temperature materials with good corrosion resistance, high temperature corrosion resistant chromium steel is better than the nickel-chromium steel. 3) coated with a protective film. Susceptible to corrosion in high temperature heating surface ceramic surface coating, a silicon carbide or silicon nitride special coatings, the heated surface may be aluminized other treatment to improve its high temperature resistance. 3) coated with a protective film. Susceptible to corrosion in high temperature heating surface and other surface-coated ceramics, silicon carbide, silicon nitride, or special coatings, the heated surface may be aluminized other treatment to improve its high temperature performance rot cloud. (2) low temperature corrosion in fuel sulfur generated during the combustion S02, since the fouling atomic oxygen present in the furnace and the convection heating surface and catalytic oxide film, SO2 is further oxidized to S03. S03 and H2S04 vapor in flue gas generated in conjunction with, the dew point of the flue gas containing the sulfuric acid vapor is greatly increased, when heated wall temperature below the dew point of sulfuric acid vapor will condense on the walls, and corrosion of the metal wall. Usually low temperature corrosion It occurs at the end of the air preheater of the boiler. Thus when burning high sulfur fuel, care must be taken to prevent low temperature corrosion. Prevent low temperature corrosion measures are: 1) low oxygen combustion. When the excess air at the outlet of the furnace lag coefficient down to 1.10 or less, for sulfur of the fuel oil used, the dew point of the flue gas will be significantly decreased, so as to avoid or mitigate low temperature corrosion. 2) use of additives. Sprayed into the furnace or flue additive in the curb generation of SO3 and to reduce the flue gas dew point temperature. Common additives solid (dolomite, limestone, magnesium oxide, and some special compound), the liquid (aqueous magnesium chloride solution, some oil soluble magnesium, calcium, zinc naphthenate compound) and a gas (ammonia gas, ammonia, three different ring) three categories. 3) raising the thermal wall temperature, so that it is higher than the dew point temperature of flue gas. Commonly used methods are: hot air recirculation inlet temperature of the air preheater increase; the installation of the heater core, air is heated by steam, a low temperature air preheater horizontal structure, the level of a horizontal pipe line is arranged an air preheater , the air flow in the pipe, the pipe between the smoke flow, erosion due to the lateral wall of the flue gas, the flue gas side heat transfer coefficient is increased to increase the wall temperature, more generally vertical wall temperature of the air preheater increase 20 ~ 25 ℃. 4) corrosion-resistant materials or corrosion resistant coating materials include glass, ceramics and the like; an anti-corrosion coating and had tried to enamel-coated surfaces like special steel anticorrosion paint. 5) timely sootblowing operation, and therefore should be a reasonable arrangement sootblowers. Fire and explosion of fuel failure (3) heating surface of the tail or incomplete combustion of atomized droplets gather in the tail of the heating surface, when it reaches ignition or explosion conditions, i.e., ignition and explosion may occur. The tail heating surface fouling aggravated by the possibility of aggregation of the oil droplets. Therefore, when coal-fired boilers into oil-fired boiler, burner should be correct and rational selection and delivery, and strictly develop from the induced draft fan. Rules and procedures for shutdown and normal operation to ensure good fuel atomization, with the wind reasonable. At each of the heating surface is arranged to be reasonable sootblowers. (4) determining the dew point temperature of flue gas is determined dew-point temperature of the flue gas has practical significance for the design and operation of flue gas dew point temperature factors influence mainly sulfur fuel ink, excess air coefficient, water vapor in the flue the amount of sulfur / cement ratio and combustion.

Cade Shopping Mall is located in central Shanghai Hongkou District, Shanghai Daily larger flow of people in the region. The introduction of Shanghai air pollutant emission standards, boiler flue gas emissions of nitrogen oxide emissions to less than 80 mg / m, Shopping Mall a coal-fired boilers have been used for many years, NOx emissions far super to this request, the urgent need to replace more environmentally friendly low nitrogen emission boilers. Other units through the use of fast Boiler introduction and understanding, determined and fast boiler to achieve cooperation, party fast to their specific needs to recommend one condensing gas hot 2 tons of water boiler prices of a 4.2MW for heating needs of the shopping center.

Henan Gas Burner common faults and solutions 1, Henan combustion gas powered boiler, press the start, the motor does not turn the gas boiler Henan Faulty motor does not turn: (1) lack of pressure lock (2) solenoid valves lax, joints leak, check the lock (3) thermal relay opens (4) condition circuit has at least one is not satisfied (water level, pressure, temperature, and the programmable controller is powered starter) Henan gas boiler motor does not turn exclusion measures: (1) adjusting the air to a predetermined value (2) cleaning or repair of the solenoid valve the pipe joint (3) is not damaged by the checking device is reset and the motor current (4) check the water level, pressure, temperature gauge 2 if, after the normal purging before the start, but misfire Henan gas boiler fault cause misfiring: (1) is less than the amount of electric anger (2) solenoid valve does not work (the main valve, an ignition valve) (3) solenoid burned (4) unstable gas pressure (5) is too large air volume Henan gas boiler misfire Remedy: (1) inspection and repair line (2) renewal (3) to adjust the pressure to a predetermined value (4) decreases with the wind, to reduce the throttle opening

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