China automatic WNS horizontal boiler

Low nitrogen china automatic wns horizontal boiler technology made a major breakthrough, however gratifying that through the unremitting efforts of domestic boiler companies, China's low-NOx combustion technology gradually into the world advanced list, catch up with a lot of foreign advanced technology.

When the auxiliary china automatic wns horizontal boiler maintenance shutdown 1, grate boiler: Check the grate wear cleared up the middle slot fouling, if necessary, replace the grate. Grate front axle oil level check, timely lubrication. Check whether the switch lever grate Flexible damper sides. Start fan running for 20 minutes, to grate fouling purge. 2, reducer: the oil discharge portion open vent hole, where the oil quality was observed. The need to replace all the oil inside the gear if necessary. 3, blowers: inspection hole open the fan, blade wear inspection, balancing the fan if required wear readjustment. Fouling bottom clean-up fan housing. Check the oil level air quality timely replacement of oil, add oil. Pairs of primers were cleaning the bottom of the blower housing. 4. Cleaner: Cleaner will take over the ditch water discharge submersible pumps, check Cleaner chain wear, replace valve if necessary chain. Check the Cleaner head bearing box oil level, add oil in a timely manner. 5, filter: filter for internal cleaning process. 6, the air compressor: compressor oil level check, timely oiling. After the dust clean-up is complete, turn on the air compressor to purge the filter to work. 7, chimneys: Open the bottom of the chimney, cleanup internal fouling. 8, decontamination: the decontamination out of the water valve closed, open decontamination hand hole, decontamination of sludge within the debris clean up, clean-up after the completion of the closed hand hole, out of the water valve and open the drain valve decontamination for decontamination flushing. After draining off water until the drain valve. 9, the valve: The pump room and the boiler room of the check valve, leaks, opening and closing is flexible tight.

Burner arrangement 1. The fuel gas burner arrangement of the china automatic wns horizontal boiler fuel is currently produced quick type of fuel for the boiler to a small volume, high furnace thermal load, there are two main measures: The first is to improve the quality of atomization burner, the first Second, reducing the fan speed at the outlet of the burner, the inside of the gas flow more intense mixing. The cross section of the gas flow is reduced, it is strongly combustion, it is disposed closely related to the furnace burner heat load. Small single burner fuel boiler are disposed in a vertical furnace roof or bottom, depending on the direction of travel of flue gas, generally horizontal fire tube boiler quick 1-2 are arranged burners, arranged horizontally. For coal-fired boilers into water tube boiler or oil-fired boiler, and the center of the burner is not less than the distance spacer 1 ~ 1.2m, the lower stage burner close to the hearth of not less than 1M; The selection of two burners, the the distance between the center should be kept about 1m, the rotational wind and the two burners should steering contrast, when the amount of fuel to the burner single 500 ~ l000kg / h, the furnace depth is not less than 4M; fuel consumption of 200 ~ 500kg / h, the furnace depth is not less than 3m. Large furnace size and shape of the fuel boiler 2. The nature of the relationship gas burner arrangement of the boiler, gas boiler combustion process is simpler than the fuel, the shorter the time required for combustion, and thus smaller furnace volume required, the burner is arranged to be combined with the shape of the furnace considered together, fullness good flame, flame erosion less water wall principle, the general arrangement of a gas boiler burner, so that the system is simple, easy operation and management, investment. Larger capacity of the gas boiler, the burner may be arranged in two. Usually vertical arrangement, even when the load is reduced, disabling a burner, the furnace will not cause deviation from the center of the flame, affect the reliability and the superheater temperature deviation of the water cycle. Shell type structure due to restrictions by the boiler, furnace are double horizontally arranged symmetrically, each one arranged in each furnace burners, gas boiler burners can be arranged in the boiler front wall, a bottom, if the flue gas outlet at the bottom of the furnace , the burner may be arranged in the roof.

In the medium-high pressure industrial china automatic wns horizontal boiler, the iron ion content is relatively low, the sacrificial resin and activated carbon composite double-layer membrane and the security filtration method are often used to remove the iron ion from the condensing water. Another danger that condensate water contains in excess of the national boiler water quality standards is that 60% ~ 70% of low-pressure boilers have a sewage discharge rate of more than 15% / 25%, while the national standard is 5% / 10%. Large discharge of high temperature water is the main cause of high energy consumption of boilers in China. Has attracted the attention of the relevant departments, is a difficult problem to be solved urgently.

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