Gas-fired boiler medium test and cold cycle (1) the heat carrier used in the organic heat carrier furnace must be qualified and the operating temperature must be consistent with the heating conditions. The outlet temperature of boiler is at least 30 ℃ lower than that of heat carrier and 40 ℃ lower than that of heat carrier, otherwise it will decompose and fail in advance. (2) Oil loading: the injection pump of the qualified heat carrier for testing shall be injected into the boiler and, when the oil injection pump is injected into the system, the valves of all heating systems in the furnace body shall be re-checked and the sewage valve shall be opened one by one to remove the air until the oil flow is closed, Stop oil injection and start circulating pump when high expansion tank level meter appears. Cold oil circulation. (3) Cold oil cycle: the purpose of the cold oil cycle is to test whether there is resistance in the whole heating system and whether there is leakage in the valve of the equipment. Each pump must be wheeled to start cold oil circulating in the system for no less than 6 hours. (4) cleaning filter: some metal and impurity deposits in the system in the cold oil cycle are shut down with the cold oil in front of the oil pump, and the filter is thoroughly cleaned after the cold cycle is finished. When the organic heat carrier is used, the outlet temperature of the carrier is lower than the maximum operating temperature of 20 ℃ and 40 ℃ provided by the manufacture, and the adjustment index is the main one. Close to the outlet temperature, when the temperature difference between the inlet and outlet decreases, the combustion should be reduced accordingly. Combustion should be intensified when the return temperature is reduced. Never blindly raise the outlet temperature to increase the heat supply. When the outlet temperature overheating instrument alarm, the furnace should be shut down in time to clean.
Directly under the Central Government Offices Administration (referred to as the straight Authority) is the CPC Central Committee and subordinate units, are responsible for the CPC Central Committee and services for the organs and services, an important function of serving the people. Central Government institutions funds, finance, public service vehicles, the state-owned assets and real estate management, service management is responsible for the specified life of the party and state leaders as well as services related objects.
Hot-water boilers include electric hot-water boilers, oil-fired hot-water boilers, gas-fired hot-water boilers and coal-fired hot-water boilers, etc. Hot-water boilers are boilers that process hot water. A heating tool that uses heat released from fuel incineration or other heat to heat water to extra temperatures. In the natural circulation hot water boiler, the inlet and the outlet water are received on the top of the pot. It is the inlet line that leads the lower inlet pipe into the front and lower side of the header and heats up through the inlet cold wall tube. In front of the drum, there is a water barrier at the lower boundary between the lower and the forward water flow, and only the lower half of the drum is separated by the water insulation plate.
Natural circulation, the difference of the control loop of the DC boiler: Depending on the steam inside the boiler, the water flow pattern, which may be divided into three categories: natural circulation boilers and the DC control loop. Three both in common, but there is a big difference, following the fast boiler, boiler learn more knowledge.[email protected]
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