The reason you have to know the energy consumption of boiler problems (Desuperheater water) 1, boiler superheater desuperheating water flow problems 1.1 main steam temperature is too high. 1.2 Save the hot water drain valve. 2, measures to address the problem of operational measures 2.1 2.1.1 artificially adjust the load, increase or decrease the amount of coal can not be too large. 2.1.2 adjusted to optimize the combustion tests, the optimum value of oxygen boiler, the boiler properly regulate the amount of oxygen. 2.1.3 put into operation to adjust the burner manner, by adjusting the main steam temperature ensures that the boiler combustion, minimizing desuperheating water flow. 2.1.4 normal temperature control into the main steam boiler. 2.1.5 intense monitoring segments superheater steam temperature, steam temperature adjustment for adjusting so that ground, the fine reduced spray desuperheater water, controlling the main steam temperature. 2.1.6 Test mastered by pulverizing system operation changes the influence of the main steam temperature, analyze the causes and make predictable adjustments. 2.1.7 reasonable for sootblowing heating surface. 2.1.8 Combustion test results according to the adjustment, the adjustment of economic coal fineness. 2.1.9 reasonable mix blending the coal into the furnace close to the design of coal. 2.1.10 raise water temperature. 2.2 Maintenance and adjustment of combustion optimization test 2.2.1 test, to determine the best way to run the boiler. 2.2.2 timely elimination of soot blowers defects, ensure soot blower input rate. 2.2.3 Save hot water adjusted automatically to improve the quality. 2.2.4 to detect and analyze the reasons offset the center of the furnace flame occurs, and take specific measures. 2.3 Maintenance Measures 2.3.1 dredge preheater, eliminate smoke duct leakage. 2.3.2 Save heated respective control valve leakage. 2.3.3 shutdown cleaning up the heated area ash coking.
Boiler leakage of pharmaceutical and correct operation of the boiler leakage causes and correct operation method pharmaceutical methods commonly used in the pharmaceutical boiler is a steam boiler, in the course of its use because of improper boiler operation, there may be some or that kind of problem where flue boiler corrosion caused by water leakage problem is one of them. The reason for this phenomenon a. Boiler feedwater oxygen scavenging process is not performed, resulting in chemical oxygen should, boiler, or other ingredients of the metal parts, boiler corrosion occurs, not in time for a long time, causing the boiler water leakage. b. routine improper operation, shutdown did not close when the water supply valve or the steam valve main pipe, air into the furnace, and again use the boost, the incoming oxygen is not timely removed, so that in a hot and humid environment caused by oxygen long-term corrosion perforation of the smoke pipe. Precautions: in strict accordance with standard operating a steam oven in accordance with operation of the boiler feedwater standards GB1576-2008 oxygen, reduce the oxygen content, avoid the presence of oxygen, chemical corrosion. b. When shutdown, when the boiler is in the normal high water level shutdown and normal pressure, and then close the inlet valve and the main valve, to prevent intrusion of outside air oven. c. boiler room to keep dry, clean, ventilated, while the process of personnel to operate the fireman to be precise, compliant. d. strengthen valve maintenance, maintaining rigor. In short, there are many reasons causing leakage of pharmaceutical boiler, but if the mistake is due to improper operation caused by the boiler, it should be noted in particular the normative operation, prudence, as far as possible preventive measures.
After the system control principle of vertical gas-fired steam boiler is turned on the power switch, click the pump control switch to turn on the position, carry on the boiler feed water to rise to the normal position, click the burner power switch, click the start button. The power supply of the control system is turned on and the burner enters the working state. According to the operation procedure of the program controller, the low-fire combustion is carried out first and then into the fire-burning state, and the boiler enters the normal operation stage. When the water level rises to the high water level, the output high water level alarm signal light is lit, accompanied by the sound of the electric bell, and the protection shutdown is realized to cut off the power supply of the controller. When the water level rises to + 30mm, the pump stops running, and when the water level drops to-30mmm, the pump automatically restarts, When the water level drops to ±50mm, the output is extremely high, the warning signal light is lit at the very low water level, accompanied by the sound of the electric bell, and the power supply of the controller is cut off by protecting the shutdown of the furnace. When the pressure rises to 0.72MPa, the overpressure signal, the sound of the electric bell, alarm and cut off the power supply of the control system to realize the emergency shutdown of the furnace. When the pressure exceeds the upper limit of the regulating pressure, the controller outputs a small fire signal to close the fire valve and open the small fire valve to burn in a small fire. When the pressure falls below the lower limit of the regulating pressure, the controller outputs a fire signal to open the fire valve to burn the fire. When the burner failure occurs, the combustion controller automatically closes the valve to stop combustion. When the exhaust temperature is higher than 250 ℃, there is a blue light, accompanied by the sound of the electric bell, and the protection shut down the power supply of the controller.
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