Heating and hot water daily is an important basis for maintaining the northern region of the normal operation of enterprises; for Legal Daily organs and units, the hot water boiler is one of the indispensable energy equipment. Currently, work is facing north Heating equipment and facilities aging, increase energy conservation and environmental protection requirements and other issues. Daily logistics-related legal person responsible for improving the overall level of heating units, and the response advocated by the national energy saving, plans to purchase energy-efficient heating boiler. Considering the increasingly stringent environmental policy, Legal Daily authorities decided to use natural gas as boiler fuel. Fast boiler for 20 years, specializing in the production brand boiler, which had been successfully assisted more than Beijing enterprises and institutions, to provide clean heating. The party technical consultant fast boiler based on actual usage Legal Daily units, providing commercial condensing units 99KW vertical 1 hot water boiler.
When the gas hot water boiler blowdown discharge techniques good compared to low load when the load of the boiler water level slightly higher vapor pressure boiler water circulating slowly, resulting in easy accumulation of dirt in the drum, the bottom of the collection tank, and the high vapor pressure high blowdown flow, to facilitate the discharge of dirt. Further, when the boiler blowdown must be provided for hand operation, the water level to be closely monitored to prevent the water preferably should be operated to maintain the sewage level again at around 60%. Drain valve open should be short intermittently every sewage quick-closing speed of the opening, causing the slag scale disturbances, thus repeated several times, the precipitate was suction rely possible to quickly meet at outfall, then concentrated discharge. To control the right time, not too long, usually once a sewage must be in the 30s of the time. If the discharge time is too long, the water content of soil furnace will be gradually reduced, so the effect of variation not only sewage, emissions have increased, not only a waste of energy, but also affect the boiler water circulation, and even burst pipe failure may occur. Observation of the given row after the flash tank vapor emission mouth, must touch the outfall temperature, and view given row Expander air outlet, in order to determine whether or not to confirm the drain valve is fully closed. Ruoyin debris stuck in the spool of the leak can be re-opened after a rapid close, if the issues shutting the valve wear and difficult, should strengthen surveillance, arrange repair or replacement as soon as possible, at the same time, should be prepared to shift on the record corresponding record, for subsequent inspection. In summary, the work of boiler blowdown, we must try to do a good job, both to ensure the smooth operation of the boiler, also can guarantee the life of the boiler.
This is because the low-load operation, the boiler efficiency will be reduced. We recommend that the actual running load thermal efficiency of the boiler should not be less than 50%.
It is noted that oxygen etching means, therefore, the water supply system should rapidly remove oxygen, and the water supply system or it will corrode the boiler components, to form insoluble iron scale and poor heat transfer, can cause corrosion of the dissolved iron pipe point of the inner wall of the pit occurs, the drag coefficient is increased. Note: the state is greater than or equal to the evaporation temperature and the high pressure steam boiler in singapore is not less than 2 tons per hour, 95 deg.] C hot water boiler must be oxygen.