commercial hot water boiler condensing gas boiler

Three tempering tube commercial hot water boiler condensing boiler installation and commissioning of the structure outlined hot water boiler is fast loading of the internal combustion level. A second high temperature flue gas successively washed roots and refluxed for three breathing tube, the smoke chamber into the atmosphere through the chimney. Gas hot water boiler equipped with the world famous burner, combustion using automatic adjustment, automatically adjust the water supply, the program starts, automatic control and other functions. The boiler has a compact, safe, reliable, easy to operate, installation speed, low pollution, low noise, high efficiency. Widely used in enterprises, hotels, hospitals, office buildings, civil construction and other industrial steam, life, mining and other facilities. This installation requires fast speed boiler installation, installation is very simple, the boiler does not require special ground base, only enough to withstand the ground to power. 1. Install the water supply line requires the highest level reservoir, generally not critical, the high from the ground to the reservoir tank, underground tank of water should be kept clean. Pool water outlet. For wire entrance filter water supply line. 2, the straight cross-section is mounted, the return pipe return pipe to be 0.5 meters above the bend radius should be 4 to 5 times the diameter of the pipe, the pipe should be installed at the highest automatic steam valve to prevent the steam from the pipe loop. At the same time, the general requirements of the highest level possible reliable reserve pool. When the boiler water level is below the line, the water will flow into the boiler when the next time you start. Filter wire 3 should be installed at the outlet (i.e., the inlet pipe) of the pool. Installation requires a supply line Burner fuel hose has two interfaces, and for the oil return into the oil, as long as the boiler return oil chamber and the oil corresponding feed pipe. Dedicated hydraulic system from the boiler tank to the burner pump port, an operation instruction for the burner 4 is provided. Chimney straight chimney installation requirements. The length of the chimney should not be too long, the stack height should be less than 5 meters. Chimney height should comply with relevant standards. Chimneys should be added raincap and smoke. Weight not directly on the boiler chimney host chimney 5, hydrostatic test shall be carried out after the installation of boiler water pressure test supervisor. Pressure test before proceeding to deal with internal boiler inspection, hydrostatic test pressure MPa, during hydrostatic testing, water pressure should slow down. When the pressure rises to 0.1MPa, the water pressure should be increased to 0.1MPa. When the ambient temperature is higher than 5C, hydrostatic test should be carried out; when the temperature is lower than 5, should be protected from freezing water pressure test. Hydrostatic test water is generally 20-70.6, should be as light fuel oil or gas oil (China) as the fuel, the fuel oil is generally heated to 100 deg.] C, a viscosity less 30E. Oil Qbw = 10200Kcal / kg LHV viscosity of the oil is lower than at 50 ℃ 200E, at less than about 80 ℃ 200E, 50e is less than the heat value of natural gas Qbw = 8550Kcal / kg LPG Qbw = 22000Kcal / kg.

What power plant boiler system includes: a power plant boiler pressure part of the boiler, burner equipment parts, accessories instrumentation and ancillary equipment. 1, "pressure part of the boiler" comprising: economizer, the drum, the downcomer, water wall, superheater and reheater, and soft drinks JOINT Unicom pipes, fixed and suspended boiler parts, heating surface, the furnace wall and other equipment, such as architecture. "Combustion Devices" section: the furnace, combustion equipment, air preheater, a flue and duct like. 2, the auxiliary system comprising: a fuel supply system, coal preparation systems, water systems, ventilation systems, dust removal systems ash, soot blowing system, a water treatment system, measurement and control system and a flue gas desulfurization system. Each of the auxiliary systems are equipped with the appropriate accessories and control devices. 3, combustion system

You have to know the energy consumption of boiler problems (control measures exhaust gas temperature of the boiler) 1, operational measures (1) unit load changes, to adjust air flow and pulverizing system operation mode, keeping the excess air ratio most suitable furnace. (2) time to adjust the bottom seal tank inlet valve, suitable to ensure the seal tank water level. (3) changes in coal quality, timely adjustment of combustion, complete combustion and ensure proper furnace flame center. (4) heating surface periodic soot blowing and slag, maintaining heating surface clean. (5) maintaining a suitable gas velocity, the heated area ash reduced tail. (6) Check the class auxiliary burner throttle opening, to ensure there is sufficient oxygen in the combustion. (7) raise the water temperature. 2, boiler routine maintenance and testing (1) combustion optimization and adjustment tests, to determine the economic coal fineness different coal. (2) periodic testing coal fineness, abnormal timely adjustment process. (3) regular air preheater leakage test, and remove air preheater leakage. (4) Always check the furnace to see the fire hole, furnace wall, bottom seal, identify problems and timely closure, reducing boiler leakage. (5) Strengthen routine maintenance soot blowers to closely monitor motor current soot blowers, for soot blowers and often stuck in the barrel bending furnace and other defects timely treatment to ensure soot blowers investment rate above 95%. 3, repair, downtime (1) Check the burner damage, to replace or repair damaged nozzles, the nozzle and the bluff body. (2) heating surface, the flue fouling, slagging cleaning up. (3) adjusting the fuel to determine the secondary air and the opening degree position of the damper flap. (4) Health Check flue gas damper, the damper position adjusting checked. (5) roof sealing, see the fire hole, Manhole, bottom seal tank leakage inspection governance. (6) replacing air preheater wave plate, rinsing, the check processing sector plate, curved plate is deformed, and bearing wear off defects, defect inspection process automatic adjustment mechanism sealing gap. (7) Pulverizing System: Mill off the door, the hot air and the cool air shutter opening degree adjustment. Roller cover and bowl mill liner replacement, the spring biasing force and gap adjustment. Import a fan baffle opening adjustment. (8) the flue expansion joint leakage defect inspection process. (9) soot blowers and related equipment check process. 4, transformation (1) Burner deformation, wear process, replacement, and a bluff body concentrator ceramic sheet, and silicon carbide wear measures. (2) the heated area ash slagging comprehensive inspection process. (3) waterwall, economizer, reheater, superheater tube cutting test monitor segments corrosion and scaling inside the case. (4) boiler, air preheater Leakage leak plugging governance. (5) on the "four leak" taken by plugging repair. (6) backpass wear parts wear welding process and do. (7) heating surface (economizer, superheater, reheater) for transformation, reduce exhaust gas temperature. (8) to do a good job adjusting the air according to test results dynamic field. (9) boiler, the flue joints and other advanced seal plastic material, to reduce leakage.

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