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Commissioning of Boiler gas boiler commissioning must be carried out after the hydrostatic test. Before commissioning, should be a comprehensive inspection of each furnace parts, electronic control devices, wiring, etc. are normal, water supply, oil furnace if opened, electrical contacts are in the set position. 1, depending on the size of the fuel consumption, the initial damper, the hydraulic pressure. 2, the power is turned on, the power switch to open the cabinet, the water pump starts furnace, (if the pump is rotated into the anhydrous, pump purge valve is opened, the air exhaust pump). 3, control checks whether the normal water level electrode. 4, check the burner operation is normal. Starter burner starts combustion when the water level rose to a predetermined level, the start of combustion is normal to observe: Start no vibration noise, stable combustion, no smoke, orange yellow flame, burning bright clear. Otherwise, to make the appropriate adjustment (refer to burner instructions). Note: The oil pressure between 0.8 ~ 1.0Mpa, after a good tune, do not easily change, oil pressure is too high or too low have an effect on burner performance life. 5, check the pressure gauge pointer swing is smooth, with or without loosening stuck. 6, whether the discharge check valve is set at the set pressure steam: Pressure controller first maximum working pressure, a safety valve is adjusted to the set pressure higher than 0.05MPa, when the furnace pressure was raised to whether the exhaust pressure setting, if exhaust , pulling the safety valve a few times, and try again, if not enough to deal with safety valve to adjust. Pressure relief valve setting: boiler rated pressure + 0.03MPa. 7, check the electrical contacts of the operation: When the pressure is raised to the maximum working pressure (not exceed the rated working pressure), should stop burning, open the safety valve blowing off steam, the pressure to a minimum operating pressure (maximum operating pressure is generally lowest set to 0.10MPa), combustion burner should be restarted. Note: When the adjustment screw should slow, especially when the pointer approaches the end, otherwise, damage the screw off the wire.
Steam boilers and thermal oil heaters which is better? Which is more energy-efficient? Steam boilers and thermal oil heaters, which is more fuel cost savings? At the same power (represented with evaporation) for comparing the boiler, HTF medium because of the high temperature, so that the temperature of the steam exhaust gas temperature than the exhaust gas with a higher heating power of the boiler, the exhaust gas temperature directly affects Thermal efficiency. That same power (represented with evaporation) conditions, the efficiency is not high efficiency oil boiler steam boiler all categories. In fact, now you finally choose what kind of boiler is required to rely on the temperature of your decision. If you ask a medium temperature to 300 degrees, you can only choose oil furnace; if you think there is a live medium temperature of 180 degrees is enough to use, it is recommended that you choose a steam boiler, because it is more energy-efficient with conditions). These are the kind of steam boilers and thermal oil heaters and today we analyze all the information of more energy-efficient, and the above information indicates that the steam boiler more energy saving, more fuel-efficient.
Gas boiler SZS, WNS, F, A, L, N, B and other parameters have what meaning? SZS gas boiler water is commonly used parameters. Wherein the meaning of each letter, S: double drum. There are two drum boiler, goes under the distribution structure. Z: vertical type. Using the "D" type arrangement, arranged longitudinally down drum, as the flue gas flow partition Wall full mode, the left side of the boiler convective tube bank is arranged. S: combustion chamber. Fuel is powdered (solid fuel, such as coal), mist (liquid fuels, such as oil), gaseous (gaseous fuel, such as natural gas) along with the air into the furnace (combustion) combustion in suspension. WNS is automatic gas (oil) parameters commonly used boiler. In which the meaning of each letter, W: horizontal. A boiler according to the design and installation of the outer layout, was lying state. An exhaust gas stream produced by the boiler is of horizontal flow, the flow of hot gas, in the same section on the exhaust gas temperature is low compete. N: internal combustion. After all of the fuel combustion flue gas, without burning the residue was heated with a heating surface directly mixed working fluid (water), and the flue gas, steam as the working fluid work output, the flame in the combustion furnace through the center of the drum. S: combustion chamber. Fuel is powdered (solid fuel, such as coal), mist (liquid fuels, such as oil), gaseous (gaseous fuel, such as natural gas) along with the air into the furnace (combustion) combustion in suspension. F: split. A: three return. N: N is low. L: condensation. B: Center backdraft.
Recently, the Longhai carried out safety campaigns to the boiler, the campaigns start from the four directions, whether units in accordance with the boiler 'boiler safety practices "to use the correct boiler conducted a comprehensive inspection.
First, the unit register in a boiler boiler inspection. The use of units to crack down on unauthorized use of untested or failed the inspection of boilers.
Second, the units are equipped with a boiler if the security officer and fireman personnel. Focus on checking whether the use of units as required "special equipment operator assessment rules," the fireman with security personnel and staff to meet the requirements, and whether the person has made fireman fireman card.
Third, in the boiler unit will be the safety management system, emergency plans to check the system; and to convey the importance of this inspection in the boiler unit, raise awareness of security units.
Fourth, strengthen supervision of energy-efficient boilers, boiler and actively promote energy efficiency testing, at present, boiler energy efficiency testing has been completed a total of 112 units.
To date, the Longhai inspection operations were dispatched inspectors 209 passengers, checked boiler unit 136, check the boiler 168 units, eliminate safety hazards at 9, and urge the use of sealed units to enhance the energy efficiency of boilers 21 units.
And with the Commission by letter, and environmental protection departments to further promote the comprehensive upgrade of coal-fired boiler energy saving project, disable the coal-fired boiler 53 units, 34 units scrapped, replaced by raw material boiler fuel and natural gas fuel of a total of 40 units, is out of the city coal-fired boilers to make a positive response.
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