2 tons oil fired hot water boilers

2 tons oil fired hot water boilers

Henan gas treatment condensing boiler operation in the secondary combustion Accident Henan condensing gas boiler, deposited in the rear of the boiler flue gas condensing Henan combustibles (soot, carbon black) re-ignition combustion phenomenon called secondary combustion, also known as Henan condensing gas boiler flue tail and then burned. It will backpass severe, air preheater, induced draft fan and other equipment economizer even destroyed. 1. Henan condensing gas boiler secondary combustion phenomenon (1) a sharp rise in exhaust gas temperature, chimney to take smoke, fire or even smoke. (2) changes drastically furnace pressure, positive pressure occurs. (3) severe flue enclosure dark red. (4) when there is an air preheater, a sharp rise in the temperature of the hot air, pressure instability. (5) blast doors sometimes the tail action. Cause 2.Henan condensing gas boiler secondary combustion (1) poor atomization burner, oil, gas and incomplete combustion into the rear of the boiler. (2) combustion improperly adjusted, with insufficient wind or with the wind unreasonable. (3) Henan condensing gas boiler startup, shutdown during low furnace temperature, the unburned fuel in the furnace. (4) When shutdown or boiler fire, air gun valve is not closed. (5) the combustion chamber negative pressure is too large, too late to make the gas burn it into the rear of the boiler. (6) Long-term non-stop cleaning backpass furnace, accumulating a certain amount of soot or carbon black. (7) through the air preheater flue or leakage. 3. The gas processing condensed Henan secondary combustion boiler (1) should immediately stop the gas, stop the wind, shutdown. (2) closing the flue, and a baffle duct around the door opening, is prohibited to start sending, induced draft fan. (3) immediately extinguishing device into steam, carbon dioxide or other fire extinguishing means, (4) Strengthening Henan condensing gas boiler feed water and turn on the water, open the valve or economizer recirculation tube to protect the economizer is not burning. (5) When the exhaust gas temperature close to the temperature of the injected steam, or less than 150 deg.] C over 1h and stable openable inspection hole inspection, after checking element determines an ignition source, before the fan starts ventilation and cooling. (6) when the temperature drops below the flue 50 ℃, check before entering the flue tail heating surface, and should completely remove the flue soot. If not burning, can be re-started ignition; if burning, should be replaced, repaired burning member.

4 tons of fuel boiler Product description: 4 tons of fuel oil boiler is heated by a burner, fuel atomization effect, fuel combustion, can not see the chimney smoke, so the green fuel boilers, energy efficient. After spraying fuel through the burner into the furnace in the atomized droplets, and easily mixed with air and the rapid combustion heat flash. Compared with coal-fired boiler with the same capacity, and parameters, which furnace volume heat intensity may be increased about twice. But to reduce the thermal load of the burner zone, in order to avoid overtemperature waterwall tubes in this area, so the furnace volume is only reduced by about 1/3. Because the ash content of fuel oil is small, without slagging in the convection heating surface, it allows the furnace exit gas temperatures as high as 1300 ~ 1350 ℃, and narrow a pitch between the convection heating surface to increase the flue gas velocity, thereby increasing the heat transfer coefficient of the heating surface, the heating area savings and steel. Features: 1, the boiler burner automatic combustion control in accordance with instructions, stop, separate control box has a number of security, performance, security and stability, low maintenance. 2, the inner fire tube inserted spoiler retardant, smoke slow speed, to strengthen the heat exchanger, combustion heat conducting large extent to the water, the low temperature flue gas discharged from the smoke chamber, reducing heat loss and save fuel. 3, the water level sensor water level real-time monitoring, to continuously monitor the water level is normal furnace. While controlling the temperature and replenishment level sensor solenoid valves, the boiler water may be continuously supplied. 4, centrifugal multi-layer insulation glass wool, steel for packaging famous white color, heat loss, anti-rust appearance. 5, the product is widely used in hospitals, schools, hotels, hotel, bath center and other enterprises. Boot check: 1, various instruments, whether the instrument to confirm the adequacy of fuel tank, and the inlet valve is opened. 2, confirm the soft capacity and the water tank boiler water quality meets the requirements of the main valve is opened and boiler feed water inlet valve. 3, rotation of the oil filter to remove debris. 4, drain the remaining water in the boiler, while the opening operation of the low level alarm and chain. Boiling furnace process: 1, before the new boiler furnace should be boiled to remove impurities and dirt inside the boiler, or trisodium phosphate soda cooking oven may be employed to prepare a 20% concentration was added furnace (not note the solid directly into the furnace). 2, after closing the steam valve and the water table Hancock, opening the vent valve according to the procedure stoker firing power may be low heat and temperature rise at the beginning, when there is moisture in the furnace, close the vent valve when the valve is discharged from the vent, the furnace pressure is raised to be at around 0.1MPa, the boiler should be checked for leakage and various accessories such as fittings, if any leakage should be promptly fastened. 3, when the pressure in the furnace reached 0.3MPa, the normal shutdown program shutdown, let the furnace pressure decreased to 0.1MPa or less, the drain valve open, give up all the water in the furnace. 4, opening into the hole, rinsed with soft water inside the boiler until the washing water coincides with the degree of acid-base soft water, after closing and opening into the hole Hancock water gauge. 5, after the completion of cooking stove washing, all restore normal operation, before normal operation stoker.

In recent years, Hebei Province People's Government to respond positively to Blue Sky Battle action plan promulgated by the state, and all of 35t / h coal-fired boiler and below in the Hebei province out of the transformation process. First Hospital of Baoding respond positively to the call of the provincial government, eliminate serious pollution of the original coal-fired boiler hospital, citing energy saving steam boiler to natural gas as raw material. After a series of market research, WNS Series Split hospital condensing gas boiler boiler other fast soft spot.

Gas boiler burner failure how to do? Fault gas burning boiler opportunity arise, the most frequently occurring burner ignition rods gas boiler is not firing. The reason is concerned, it is because the ignition rods gap sandwiched carbon residue, oil phenomenon appeared, followed, that is because ignition rods chipping, moisture or leakage, furthermore, to stick ignition misfire, is because the distance between the ignition does not stick, too long or too short. Gas boiler burner ignition misfire rod, there may occur ignition due to the damage the insulation coating rod, ground short circuit; Then, since the ignition cable is transformer failure, including cable disconnection, connector damage caused by ignition when a short circuit; transformer disconnection or other failure occurs. When it comes to measures to deal with it is, it will include clearing, as well as new ones to adjust their distance, lane changing and changing transformers. Further, when we are faced with the ignition rod on the gas boiler burner spark reasons but misfiring, because the cyclone disc ventilation gap is blocked by carbon deposits, resulting in poor ventilation, or because the oil nozzle is dirty, clogged or is worn, it is because there is relatively small throttle angle setting. Gas boiler ignition spark rod misfiring but also may be due inappropriate firing rod tip from the leading edge of the oil from the nozzle (or protrude too retracted), moreover, the gun is because the first solenoid a valve clogging debris (small kerosene gun); if too viscous oily or not easily flow filtration system or re-clogging of the oil valve is not open, that the pump inlet is insufficient, low oil pressure. Finally, there is a spark ignition rods but misfire, because the pump itself or filter blockage in the oil because of its more water (boiling abnormal noise within the heater). For gas-fired boiler ignition spark stick but misfire, we must first be clear; the next, which is to be cleaned, such as not enough time to pay attention to new ones; furthermore, also is to pay attention to transfer a small test before they can .

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