coal fired chain grate hot water boiler

Effect of boiler fine coal combustion boiler operating principle is to use thermal energy or heat in industrial post fuel released by combustion is transferred to the water in the container, the temperature or pressure of the water reaches a certain desired steam heating equipment. Many people will feel that coal-fired boiler more detailed the better, but is it really? From a combustion point of view, the finer coal particles more easily form a good mixing with the air, the more complete the combustion. But the coal particles too small, for boilers, milling power consumption will be greatly increased. Industrial boiler, the coal into the furnace too small, there will be the following questions: 1, coal leakage losses, etc. from grate gap increased. 2, boiler grate to be at full speed, power consumption increases. 3, fly ash, fuel loss increases. 4, a coal burning ember i.e., unstable combustion, furnace volume heat load difficult to sustain stable. So the boiler when using fine particles of coal, coal is subject to how much water, raw coal water, play groups and then into the furnace. If the burning coal of 8 to 12h before the water, so that the penetration of moisture into the interior of the coal particles is better. Water vapor produced is moistened triatomic gases, flue gas can strengthen radiation, facilitate ignition, exhaust and reduce heat loss

Hot water boiler item to check what internal checks and the use of coal fired chain grate hot water boilers prepared in the furnace and flue inspections of boiler accessories, check the automatic control system, checking of ancillary equipment, inspection equipment burning auxiliary heating surface check the hot water boiler must be done before running some tests, these tests are quite a lot of us, it is possible because of our neglect and causing very serious consequences. Therefore, we must forestall, be sure to carefully check the following before the hot water boiler operation. 1, including the use of internal inspection and boiler ready. 2, inspection, and furnace fouling and debris inside the flue in the furnace and flue should be cleaned. Flue duct and damper, the shutter must be complete and compact, flexible switch, opening and closing accurately indicated. 3, check the boiler accessories, check the safety accessory is intact; cock is rotating flexible, easy to use; all kinds of instruments and controls should be complete, good, clean. After passing the examination, should the gauge cocks in working condition. 4, check the automatic control system. 5. Check the accessory device. 6, inspection of the combustion apparatus, the combustion apparatus is intact inspection; mechanical transmission system, coal handling system, the ballast system test switch normally; spring-loaded safety level of a gearbox should be appropriate, well lubricated; coal shutter indicate the correct scale. iron eagle neat, well, turn the ballast plates full, flexible movement. 7, the auxiliary heating surface of the inspection, check the auxiliary device (fan, blower, pump, etc.) are firmly connected coupling; proper belt tension triangle; oil should be good enough; cooling water flow. After passing the examination, installed security guard, respectively, commissioning, and note the current when idling.

2018ISH heating HVAC industry event, fast Boiler "Thalia T7" was set aside to hold the event May 23, ISHChina & CIHE China (Beijing) International heating ventilation air conditioning, heat pumps fresh air and home comfort systems and technology exhibition in Beijing International Exhibition hot center opening.

The advantages of ZG tube coal fired chain grate hot water boiler:

1.High efficiency: the corner tube hot water boiler grate structure design is reasonable, precision casting, scaly type fire grate assembly clearance is small, little grate coal leakage, replacement without stopping furnace. The wind chamber adopts isobaric wind chamber with small throttle structure, good sealing, air distribution uniformity, and can control the combustion section for air volume, in order to obtain the optimal combustion state; in the front arch region by enhancing the combustion technology, mechanical loss of incomplete combustion rate was only 7%, the authority testing the thermal efficiency up to 82% above, can bring huge economic benefits to the user.

2.Environmental protection: the excess air coefficient type hot water boiler tail heating surface tube after only 1.4~1.6 angle, not only reduces the heat loss of exhaust gas, reduce the fan power consumption, but also greatly reduces the environmental pollution of boiler room.

3.Security: corner tube hot water boiler wall mounted light insulation material, covered with a compound silicate board, then the metal plate reinforcement, no brick structure, excellent insulation effect, at the same time the boiler operation and control of high degree of automation, convenient operation and safety.

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