How to deal with Henan, gas-fired burner fault? Henan burner gas boilers are generally spray liquid, gas combustion, so smooth fuel injection and ignition becomes a necessary condition, a German boiler summed up the four points of failure, namely, ignition misfire stick, stick ignition spark but not on fire, extinguished or flashing when the fuel injection instability intensified, large burner noise causes of these problems are not the same, a German Industry and Trade Co., Ltd. Weinan spent vigorously before collected over. The first reason, Henan gas-fired burner ignition misfire produced rod has several aspects, plugging cracks, moisture, leakage, ignition gap distances different rods, skin damage, short circuit, improper operation of these reasons are not generated timing of maintenance As a result, the fault is not present it is difficult to process, as long as the gas-fired burner cleaning Henan, renewal, lane changing from the ignition rod can be solved. Henan also gas-fired burner ignition spark rod is mainly due to clogging of misfire, poor ventilation, the throttle angle is set too small, the distance from the leading edge tip of the firing rod inappropriate oil nozzle, the first solenoid valve is heteroaryl oil gun clogging, strainer clogging the pump itself, water and other large oil, this solution needs to be more trouble Henan, gas-fired burner cleaning, renewal, debugging, testing and other means.
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.
The structure of the double vertical tube water tube boiler is mainly composed of upper and lower vertical tube, convection tube bundle, water wall tube, header box and down tube and other pressure-receiving components. The length of the lower drum is about half shorter than that of the upper drum. The empty space is provided with a furnace, a curved water pipe is arranged between the two drums, and a water wall tube is arranged around the furnace. The burning equipment adopts a gas/oil burner, and the tail flue has an economizer. The boiler evaporation is generally less than 20 tons / hour (t / h), the working pressure is less than 2.5 MPa (MPa). The high-temperature flue gas enters the rear convection flue from the right exit of the furnace, flows in an S shape along the two smoke-proof walls, flushes the convection tube bundle laterally, and then flows through the economizer from the left side of the furnace wall, and is discharged by the induced draft fan and the chimney.
November 27, Cape of Good Hope Hotel in Shanghai, boiler industry event - China Electrical Equipment Industry Association Industrial Boiler Branch of a member of the Seventh Conference was held. Industrial boiler industry, announced the list of the most influential brands of Congress, fast boiler with excellent product quality and leading technology standards, the participants in the boiler of 131 companies come out on top, to receive this honor. This honor is in the field of industrial boiler industry's highest honor, the boiler is full recognition of the other fast tireless efforts of the past two decades. Meanwhile, the Group Chairman Mr. Lu Haiqing industrial boiler industry also won the "outstanding figures" the honorary title, was elected vice chairman of the General Assembly for the branch of the boiler.
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