Boiler dust collector is composed of ash hopper, upper box, middle box and lower box. The upper, middle and lower boxes are divided into chambers. During work, dust-laden gas enters the hopper through the inlet duct. The coarse dust particles directly fall into the bottom of the ash bucket. The fine dust particles turn upward and enter the middle and lower boxes along with the airflow. The dust accumulates on the outer surface of the filter bag. The gas enters the upper tank to the net gas collecting pipe-the exhaust passage, and is exhausted to the atmosphere via the exhaust fan. Next, Xiao Bian introduced the characteristics of the operation of the boiler dust collector and the boiler dust collector.
Boiler precipitator operation
1. After the boiler precipitator is put into operation, the ash removal operators shall closely monitor the differential pressure of each filter chamber, the flue gas temperature of each flue, the running state of the rotating electrical machine, the operating status of the blower, the injection pressure, the baffle doors and the bypass Raise valve status and other changes.
2. The ash handling personnel should establish an effective communication mechanism with the long value and the host, and when abnormal conditions such as abnormal temperature and pressure difference are found, make a preliminary judgment, report the value in a timely manner, contact the crew, and take measures.
3, filter bag continuous use temperature is 160 °C, is strictly prohibited long-term over-temperature operation, ash removal operators found that the dust collector "over-temperature alarm", should report a long value, reduce the exhaust temperature to 160 °C or less, in order to ensure the safety of filter bags And dust effect.
4. When the boiler is heavily fuelled, the value should be notified of the ash removal operation. Ash removal personnel should reduce the cleaning frequency or temporarily stop cleaning and cleaning dust to prevent grease pockets.
5. When the dust removal operator finds that the dust collector system fault needs to open the bypass, it should report a long time in advance to ensure the stable operation of the boiler.
6. When the boiler stops abnormally, it is necessary to stop the cleaning so as to ensure that when the boiler is re-injected into the oil gun after a short-time shutdown, the bag is placed in a state of uniform dusting.
Boiler dust collector features
1. The dust collector adopts the air-shut pulse-discharge cleaning technology of the sub-chamber and overcomes the shortcomings of the conventional pulse dust collector and the sub-chamber anti-blow dust collector. It has strong dust-removing capability, high dust-removing efficiency, low emission concentration, low air leakage, and energy consumption. Less, less steel consumption, less floor space, stable and reliable operation, and good economic returns. It is applicable to the purification of dust gas and recovery of materials in metallurgy, building materials, cement, machinery, chemical industry, electric power and light industry.
2. As a result of the use of air-separation wind-down pulses to clean the ash and spray once to achieve the goal of complete cleaning, the dedusting cycle is prolonged, which reduces the energy consumption of cleaning, and the pressure consumption can be greatly reduced. At the same time, the degree of fatigue of the filter bag and the pulse valve is also reduced, thereby multiplying the life of the filter bag and the valve plate.
3, maintenance and replacement bags can be kept in the system fan, the system under normal operating conditions under the room. Bag bag mouth adopts elastic ringing, good sealing performance, firm and reliable. The filter bag keel adopts a polygonal shape, which reduces the friction between the bag and the keel, prolongs the life of the bag, and facilitates the unloading of the bag.
4, the use of the upper bag way, when the bag is replaced when the skeleton, the dirty bag into the lower hopper of the box, removed from the manhole to improve the bag replacement operating conditions.
5, the use of airtight enclosure design, good sealing, check the door with excellent sealing material, the production process to detect leaks with kerosene, air leakage rate is very low.
6. The inlet and outlet air ducts are compactly arranged and the airflow resistance is small.
Editor's summary: The characteristics of the operation of the boiler dust collector and the boiler dust collector are introduced here, and I hope to help everyone. If you want to know more related information, you can pay attention to this website information.
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