electric heating industrial water tube hot water boiler

electric heating industrial water tube hot water boiler

There are two methods to calculate the furnace structure characteristics of an electric electric heating industrial water tube hot water boiler: first, when designing a new electric boiler, according to the combustion requirements, according to the selected thermal strength of the grate area and the thermal intensity of the furnace volume, the area of the discharging row and the primary determination of the volume of the furnace are determined. And structural dimensions. Second, preliminary determination of the grate area and furnace volume according to the boiler recommended estimation method. In order to calculate the characteristics of furnace structure, the radiative heating surface of furnace should be arranged according to the requirement of heat transfer, and the layout sketch of furnace structure should be drawn up in order to calculate the characteristics of furnace structure. When checking the furnace of the existing electric boiler, if the structure is known, the characteristics of the furnace mechanism should also be calculated. Calculation of furnace structure characteristics of electric boiler Provide necessary mechanism data for furnace heat transfer calculation. If the flue gas temperature at the outlet of the furnace is not reasonable after heat transfer calculation in the furnace, the arrangement of the furnace mechanism and radiation heating surface should be modified, and then the calculation should be carried out. The perimeter of the furnace volume of the electric boiler is: the surrounding area and the center line of the water wall on the top of the furnace. (if the water wall tube is covered with fireproof coated active refractory brick, it is the facing surface of the wall. The place where the water wall is not laid out is the inner wall of the furnace wall. The exit window is the surface of the front-most row of pipe centerlines) and the bottom. When hydraulic oil flows through all kinds of hydraulic valves, there is inevitably pressure loss and flow loss, which is the energy of this part. Loss accounts for a large proportion of the total energy loss. Therefore, choosing the hydraulic pressure reasonably and adjusting the pressure of the pressure valve is also an important aspect of reducing the power loss. The flow valve is selected according to the range of flow regulation in the system to ensure that its minimum steady flow rate can meet the service requirements. The pressure of the pressure valve is as low as possible under the condition that the pressure of the pressure valve meets the normal operation of the hydraulic equipment. Reasonable selection of hydraulic oil. When the hydraulic oil flows in the pipeline, it will show viscosity, and when the viscosity is too high, it will produce a greater internal friction force, which will cause the oil to heat up, and at the same time increase the resistance of the oil flow. When viscosity is too low, easy to cause leakage, will reduce the system Volume efficiency, therefore, generally choose a suitable viscosity and good viscosity-temperature characteristics of the oil. In addition, when the oil flows in the pipeline, there is also pressure loss along the path and local pressure loss, so when designing the pipeline, it is possible to shorten the pipeline and reduce the bend at the same time.

Common Problem and Solution gas electric heating industrial water tube hot water boiler 1, the power supply is turned on, by cause of failure is not running after starting the motor are: (1) locking pressure less; (2) solenoid valves lax, joints leak, check the lock; (3) thermal relay opens; (4) condition loop at least one is not satisfied (water level, pressure, temperature, and the programmable controller is powered starter) Remedy: (1) adjusting the air pressure to a predetermined value; (2) cleaning or repair of the solenoid valve conduit linker; (3) press the reset element checks whether the motor current and damage; (4) check the water level, pressure, temperature gauge 2 if, after the normal purging before the start, but misfire malfunction Cause: (1) the amount of electric anger ; (2) the solenoid valve does not work (the main valve, an ignition valve); (3) a solenoid valve burned; (4) pressure instability; (5) the air volume is too large Remedy: (1) inspection and repair line; (2 ) renewal; (3) to adjust the pressure to a predetermined value; (4) decreases with the wind, to reduce the throttle opening 3, misfire, normal air pressure, there is no ignition power failure causes: (1) the ignition transformer burnout ; (2) high-voltage damage or loss; (3) the gap is too large or too small, the relative size of the firing rod position; (4) and electrode breakage or Short circuit; (5) inappropriate pitch, Remedy: (1) renewal; (2) or re-install new ones; (3) 4 readjust after the 5S flame lit, fault cause: (1) is less than atmospheric pressure, too much pressure drop, gas flow is small; (2) air flow rate is too small, incomplete combustion, darker smoke color; (3) the air volume is too large, the gas appears white Remedy: (1) re-adjusting the air, the filter cleaning ; (2) 5 readjusted, fault cause white smoke: (1) air flow rate is too small; (2) too much humidity; (3) a lower exhaust gas temperature, Remedy: (1) transfer of small damper; (2 ) appropriate to reduce the air volume and improve the inlet air temperature; (3) take measures to increase the exhaust gas temperature 6, chimney dripping failure reasons: (1) ambient temperature is low; more (2) a small fire combustion process; (3) gas hydrogen-peroxide amount generated water; (4) long chimney Remedy: (1) reducing the amount of air distribution; (2) reducing the height of the chimney; (3) increase the oven temperature; (4) than the exhaust gas temperature low, stopping state under the control of the damper, the damper position switch signal is not fed back to the program signal, throttle check whether the wiring is loose or switch failure.

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Safe and reliable electric electric heating industrial water tube hot water boiler performance is controlled and automated electric boiler power as an energy source in its class, its performance is now safe, reliable, controllable and automated boiler products. In addition to strict control, electric boilers need to operate in order to avoid personal risk. If the rice cooker for a long time, there will be aging. How to maintain electric boiler? Let's look at the maintenance of electric boilers: General Electric boilers must 1--2 years for repair and maintenance of electric boiler, is conducive to the normal operation of electric boilers. Electric boilers for regular maintenance is also essential to ensure its proper operation. Boiler maintenance, it must cut off the power supply and release the pressure. Burner every two months to be removed from the boiler body in order to remove foreign materials such as dust and carbon deposits. Photocell wipe once a month, fuel filter should always be clean and filtered. Carefully clean the filter in the pump, not to damage the gasket. Fuel oil is not the case in the absence of idling, so as not to damage the pump. Water level should always be kept clean, clean the valve should be opened once a day to ensure water clarity. Pull safety valve once a day, to prevent rust. After the work is completed, inspection tools, materials and accessories are complete, to prevent them left in the furnace space and so on. After delisting special person, you can complete the inspection before leaving the job site, ready for future maintenance records for the query.

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