Monday, December 20, 2010

【 Weak current College 】 electric heating furnace and hot water system fault easily resolved



Electric heating furnace consumption small boiler heating capacity is too large. Generated backwater temperature is too high, you should control the water temperature limit. When the water temperature reaches a certain value, the boiler room to take the appropriate measures, such as the closure of the drum, the method handles the fan.
Each year six-month winter heating period. In recent years, water heating to the technical and economic advantages are significant customers. Cold winter climate in the Northeast.
System at run time, there may be some malfunction, hot water heating system is widely used in industrial and civil building. However, due to construction workers in electric heating furnace and hot water heating system construction, adjustment and operation management, lack of experience. Affect the normal heating. After years of practice, summing up the hot water heating system common breakdown and solution:
First, local heat sink not hot
Valve plate off the seat blocked the flow channel, local thermal radiator heat causes generally have the following situation: valve malfunction. You can then open the valve cover for repairs, or replacement of the defective valve. Gas tank air too much, blocked pipeline, will also have local heatsink not hot, then open system settings of the outgassing attachments such as gas tank on exhaust, radiator, manually flying a door, etc.
This fault, pipe plug. When bottled water shorter, free hand corner in the pipeline and valves before touching its temperature, beating the sound heard when bottled water for too long, the system is large, jams occur around the Office, on dead water touch is not easy to determine the blocking position, when available on the water's method to find the water point without intermediate heat pipeline in order to progress on both ends. On the water, such as water-water continue to put the extension description after plugging point; then take the remaining segment to put water in the Shui hot water not to continue to extend that block points the first time on the water points and second placed water points. When the blocking points out, the section on the pipe, the pipe dirt removal or replacement of the pipe.
Or all in the delivery (or back) tube, indoor system sent, backwater channels and outdoor hot net send, backwater mutually connected reversely. Indoor system cannot form a circular loop. You should carefully look, solutions for the external network will then correct the wrong channel.
2. thermal failure
Multi-story building top heatsink overtemperature, using two-pipe heating system on the fraction. Lower the heat sink cooling. The vertical misadjustment of reasons there are two possible.
By lower level the heat sink of large difference between the htm flow. Exclude such fault is to put small upper radiator pipes on the valve, its one. To reduce its thermal media flow.
Lower the heat sink overheat occurs, when used in multi-layer architecture for systems under. Upper radiator is hot for the cause may be upper radiator in air, you should check the heat sink onto the valve or the valve on the pipeline, to exclude the air; also it is possible that the system lacks the water, there should be water.
Close to the thermal entrance heatsink overtemperature, with lift system end radiator not hot. Also belong to the standard the phenomenon of thermal offset. This phenomenon is due to the large front valve open, the function of the loop and the loop itself pressure reduces the pressure difference between the result of the imbalance is near the trunk line entry ports of the radiator in htm, adopted by the road is a short, small loss in pressure, the greater the pressure loop remaining htm flow would be too large and thus exceeded the actual value. Remote radiator in htm, adopted by the road is long, pressure loss, and through remote loop on fewer htm flow. You should turn down system portal-end loop-risers on the valve, open at the end of the gas tank of operable or check the automatic valve, exclude system in some air.
Third, the return water temperature too high
You should check the entry devices, heat the user entry devices Department sent back to the main loop valve did not shut down or close is not strict. Off strict circulation valve.
Circulating water, the thermal load of the system. To provide heat, then you should adjust the total intake and return water valve, increase system resistance, thus reducing the cycle traffic.





No comments:

Post a Comment