movable grate coal fired packaged hot water boiler

The boiler must be sampled and tested to determine whether the appearance, quality, flash point, viscosity, acid value, carbon residue and moisture content of the heat transfer fluid are in conformity with the quality certificate provided by the heat transfer fluid production plant. At the same time, it also provides the basis for monitoring the change of medium quality in future operation. The heat transfer fluid will be injected into the furnace and expander with a pump to test the qualified heat transfer fluid. When the oil pump injects the heat transfer fluid into the system, it should check the furnace body again, use the heat equipment, the drain valve of the piping system, whether the oil release valve is closed or not, so as to avoid the loss of the heat transfer fluid. At the same time, open the exhaust valve one by one on the pipe and furnace body to remove the air until it is closed when there is an outflow. When When the oil level appears on the expander liquid level meter, the heat conduction liquid is stopped, then the circulating pump is started, and the cold circulation is carried out. The existing dry dust removal and wet desulfurization of boilers are not suitable for the treatment of high wet flue gas of coal water slurry, because the water vapor in the flue gas of coal water slurry is as high as 36%, and the water content of some coal water slurry is more than 40%. It is impossible to consider only dust and sulfur dioxide. Fangkuai Boiler Co., Ltd. has developed a dedusting product through multi-expert research and experiment, successfully using a large amount of water in coal water slurry flue gas as a carrier to capture dust and sulfur dioxide by cooling, reducing dewatering, and capturing dust and sulfur dioxide. Dust removal and Desulfurization reach the Best of Boiler Effect. The dust removal effect has reached the user's satisfaction. The welding of coal-fired boiler must be operated by the welder who holds the qualification certificate of welder for boiler pressure vessel. Welding dimensions meet the requirements of design drawings and process documents, weld height is not lower than base metal, smooth transition with base metal. There are no cracks, pores, craters and slag in the weld and heat affected zone of the oil-fired gas-fired boiler. Pipe hole weld edge bite depth not more than 0.5 mm, total length (sum of both sides) not exceeding 1 / 4 of tube perimeter, and not more than 40 mm. The boiler construction strictly complies with welding operation rules and other standards and relevant regulations, and makes a good record of construction welding. Record for the record.

Coal-fired boilers, fuel shots are fired, coal in the combustion chamber after the combustion heat release, the heating medium water or other organic heat (e.g., heat transfer oil, etc.) heated to a temperature (or pressure) of the thermal power plant. Coal is our energy use accounted for first, with a mature mining, transportation and sales channels, and the price is relatively low; but it also has many defects, low efficiency, resource utilization imbalance, burning emit large amounts of carbon dioxide and other harmful gases and dust, the larger impact on the environment pollution and high environmental costs.

You have to know the energy consumption of boiler problems (flue gas oxygen content) 1, reasons 1.1 boiler leakage problems may increase the furnace exit of excess air ratio. 1.2 preheater leakage large. 1.3 or coal boiler load changes, wind, dust adjustment is not timely. 1.4 auxiliary burner throttle opening degree command deviations. 1.5 burner type, operation mode unreasonable. 1.6 determine the optimum boiler oxygen value is not accurate. 1.7 oxygen inaccurate measurements. 2, measures to address the problem of operational measures 2.1 2.1.1 Check to see if the fire door, be sure to close tight. 2.1.2 appropriate control the furnace pressure, amount of air leakage reduction furnace. 2.1.3 boiler load, when the quality variation, adjusting one, two air flow to maintain the optimal oxygen amount boiler control value. 2.1.4 maintain the normal water level in the water seal bottom, bottom to reduce the amount of air leakage. 2.2 carry out leakage test and damper characteristics before and after the test boiler maintenance routine maintenance and testing 2.2.1. 2.2.2 adjusted to optimize the combustion tests, the optimum value of oxygen boilers. 2.2.3 regularly test the air preheater leakage, provide the basis for air leakage control. 2.2.4 Periodic calibration of oxygen measuring devices to ensure the accuracy of measurement. 2.2.5 timely check and adjust the position of Flue Gas baffle system (such as: an auxiliary burner class inspection throttle opening degree, etc.), the identify problems in time. 2.3 2.3.1 downtime and a wear liner release duct, deformation, cracks, wear inspection process. 2.3.2 flue pressure test done to check the tightness of handling the leaking part. 2.3.3 flue damper position, the opening degree of chipping, deformation, loose seal, astringent card check process. 2.3.4 corrected assist air and the fuel damper flap opening position. 2.3.5 boiler, air preheater Leakage leak plugging. 2.3.5.1 boiler: furnace wall, roof sealing, see the fire holes, Manhole, bottom sealing plate is deformed, corrosion and tank leakage inspection process. 2.3.5.2 air preheater seal gap measurement adjustment, the deformation of the sector plate and curved plate, wear control check, the sealing gap adjustment mechanism inspection process. 2.4 2.4.1 transformation and a duct liner wear loose, deformation, cracks, wear inspection process, replacement, and a bluff body concentrator ceramic sheet, and silicon carbide wear measures. 2.4.2 boiler, air preheater, leakage leak plugging treatment. 2.4.3 the internal structure and the sealing means to transform the preheater, reducing air leakage. 2.4.4 boiler, flue joints and other advanced seal plastic material, to reduce leakage.

This is our first collaboration with fast boiler, professional and caring service fast boiler's impressed us. From pre-sales advice to after-sales guidance, every step is very careful and thoughtful. They provide movable grate coal fired packaged hot water boiler performance is also very good, and effectively improve the level of our heating units. --customer feedback

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