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Boiler energy saving in the different state


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Shanghai Scientific and Technical Documents Publishing House. t9 \Boiler energy efficiency in the different states under the full conditions can be with 1 / 3 of the load. draft fan failure, but also may suspend the induced draft fan. and the fastest speed troubleshooting. its natural ventilation with a full load when the 1 / 6 load. do not shutdown the continuous production and avoid the waste of 2.3 coal stoker stoker failure can be reduced when the fault load,[link widoczny dla zalogowanych], will be grate stoker the corresponding sub-air chamber under the damper closed, to be stoker handle failure, you can open throttle, increase the load. resume normal operation. 2.4 blocked flue dust tail end of ash fouling when the boiler flue can not afford to load zone, the current decline induced draft fan, induced draft fan negative pressure increases All these are phenomena can be reduced load of cleaning, but do not have to shutdown. deal with the failure of the method: first check the flue, where a negative minimum, it shows a plug that paragraph; such as dust are blocked, open hand holes or manholes. with a tap to clean or vibration in addition to fouling down; such as air preheater or economizer with fouling, one hole in the toggle with a long bamboo, some of the fouling removed. such as dust or flue leakage, can not afford to load zone,[link widoczny dla zalogowanych], but the current big draft fan, then Paul should be looking for the wind point to block air leakage. eliminate the leakage, can bring to the load. 2.5 economizer microleakage imports of tube or economizer economizer header (mixed header) micro-leakage,[link widoczny dla zalogowanych], can reduce the load, do spare furnace ready to open, and as far as possible the day of production tasks to complete, or complete the product of a production process. and then stop furnace maintenance. 3 pressure fire pressure fire is to stop the boiler furnace and in hot standby. pressure good or bad is also involved in the fire power of the size. mechanical layer burning furnace pressure fire operations should be this: the boiler steam pressure is zero; water level is high water; moisture coal is larger than usual; induced draft fan, blower throttle should be fully closed; under the pressure of the length of the fire, asked, to go a grate; pressure fire a long time and left longer grate; pressure fire a short time . grate left short. There should be fire on the grate. but not there should be no fire. furnace to maintain a certain temperature and slightly negative pressure. This started in the boiler can quickly rise to normal working conditions. saving pressure fire day shutdown of coal burning furnace shut down energy-saving method of mechanical layer should be: maintain a high level. load gradually reduced to zero, and stop to coal of about 6 ~ 20rain (according to the boiler size), then stop blower, induced draft fan. grate should immediately after the cessation of coal to stop running, because the furnace temperature is also higher, slag waste heat there. code will not be discharged slag, slag waste heat should be allowed to fully discharge. that is not really red and start the grate slag, the slag discharge. 5 customary law operating method and comparison of energy-saving operation on a 6t / h boiler type chain of SHL6-382/450 tested boilers now operating in different states under customary law and ashamed test data saving operation of law, such as summary Table 1. Table 1 boiler in different ambitions and energy conservation law under the operation of customary law operate more accustomed to operating ashamed law transfer energy-saving operating method results than the ignition furnace Lai Lin boost given to the new approach be used to mix down hi technology. coal 1.2t coal r) 31 grate bagging. toed grate reasonable time saving processing time bagging operation method: 15min,[link widoczny dla zalogowanych], consumption {desolate 07t.20mi ~. consumption of coal t {t 03t clutch drum machine where the horse selection, bearing made the happiness of learning twitter operating heat. shutdown processing, consumption is not clutching 81n. gripping O.5t.H,[link widoczny dla zalogowanych], fom5 coal iI6t11r (hot stove). Shui Yu see dust inlet load shedding kept plugging energy-saving furnace operation clean-up hidden method., Rui, Jian Qing shutdown. consume the dust inlet rent new media. consumption mode consumption grip o4t. 1.1t. o7t. energy saving law pressure fire pressure from 8 coal O.3St. pressure fire porphyrins, coal o2t . consumption plan l_1 shutdown the shutdown time by not charging rechargeable Stanley Stanley Chong and slag furnace heat. prolific steam energy saving operation of law ugly slag furnace affectionate side. stoves save steamed ¨ ugly woman is converted into steam 3t it. by the Table 1 shows that the rise in the ignition furnace, incident handling, pressure fire, shutdown of the cycle operation, energy saving operating method can save coal 2.85t. L】 months in a five-cycle operation. A total of economizer 14.25t. 370 yuan per ton of coal, a total of 5,000 as much as we can see, the boiler (small) in the different state of energy-saving operating method for improving the economic efficiency of enterprises, reduce costs play a role, but also to conservation of resources of a coal (the closing date give a bonus 21iOl () BU 15)
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