horizontal gas fired hot water boiler or steam boiler

horizontal gas fired hot water boiler or steam boiler

What is the main danger steam boiler? The main danger emergency steam boiler 1, surveillance, hazard control boiler steam boiler regular inspection tours, and monitor pressure, water level, temperature and combustion conditions to control the boiler operating conditions. And to take timely measures to ensure safety. 2, the processing operation of the steam boiler in special circumstances: (1) water shortage phenomenon: When the boiler water, the water level below the water table level limits not visible, low water level alarm emits an alarm, bell lights, low interlocking means so that the water level blower, fan, etc. closure operation; boiler exhaust gas temperature rise, a serious lack of water, lake taste top coke production, the door can be seen from the red-hot waterwall tubes, tube deformation or even explosion pipe, can be heard blasting sound, smoke and steam discharged from the door to see the fire door. Treatment: When judged as a serious water shortage, should an emergency shutdown, non-serious water shortage boiler water to the boiler. Immediately stopping the supply of fuel, the wind stops blowing weakened, the front portion of the coal grate furnace Pa, the maximum switch the grate, combustion slag hopper falls quickly, with irrigated off, after extinguishing the fire, stop the wind, open ash door, the door to promote accelerated cooling. Note: Do not feed water to the boiler, shall take measures to prompt blood pressure, prevent the accident, to refrain from watering methods to the furnace fire put out the fire. (2) boiler overpressure phenomenon: a sharp rise in steam pressure, exceeds the allowable working pressure gauge pointer over the "red line", the safety valve, the pressure is still elevated, issued overpressure alarm, steam temperature and steam flow rises cut back. Processing: weakened rapidly burning, manually open the vent valve or safety valve, to increase the water supply, sewage increase (normal water level at this time to keep the boiler), thus reducing the temperature of the boiler water a boiler drum pressure decrease. (3) boiler tube phenomenon: the waterwall tubes blasting significant audible pops or jet sound, until the furnace by the combustion pressure becomes the negative pressure combustion, flue gas and steam and has viewed from the fire door, the door does not close, etc. discharge, although the water supply amount is increased, but difficult to maintain the normal water level and the pressure reduced, the amount of water to abnormally greater than the amount of steam, the exhaust gas temperature decreases, the chimney white smoke, the furnace temperature is reduced, or even extinguished, water flow out of the bottom of the boiler. Treatment: furnace tube rupture is not serious and can maintain the water level when the accident not to expand, may reduce short-term load operation, serious burst pipe and the water level can not be maintained, must be an emergency shutdown. But the wind should not stop, should continue to Sheung Shui, lower wall temperature. Such as: lack of water wall overheating, while burst pipes, emergency shutdown should be prohibited to the boiler feed water, the withdrawal of the furnace over the fire as soon as possible, reducing the furnace temperature, reducing the degree of superheating boiler. (4) steam boilers will produce full of water, such as priming scene of the accident, should take timely and effective measures to eliminate given. (5) boiler operation, in the event when one of the following circumstances, should immediately shutdown :( a) boiler water level below the lowest water level gauge visible edge; (b) increasing water supply and other measures, but the water level continued to decline; (iii ) boiler water level exceeds the highest visible level, the drainage can not see the water level; (iv) to pump all the water system failure or malfunction, not bottled water to the boiler; (e) all of the water table or valve failure; (vi) is set in a stripping all space gauge failure; (vii) damage the boiler element and endanger the safety of operating personnel.

Inner Mongolia Erdos special prosecutor with the Office of the State Administration of the market, the special work of investigation and remediation of pipe hidden within the scope of the power station boilers, special inspection and testing by personnel with the Ordos Municipal Quality Supervision Bureau, Inner Mongolia Academy of pot seized the relevant professional and technical personnel , fully operational.

According to "Boiler Safety Technology Supervision", "Boiler Inspection Rules," "Boiler periodic inspection rules" and other relevant standards, conduct a special inspection of the boiler design, manufacture, installation, use, management, and inspection and other aspects. Check not extended key subject of boiler tubes, means for producing a combination of elements not subject supervisor embodiment, boiler tubes mounted QA aspect, there are security risks flow meter housing and rescue drills and contingency plans.

For risks and problems found in the inspection, and the enterprises need before the prescribed date, timely rectification results submitted to the local special equipment safety supervision and management departments.

Henan gas boiler tube leak detection device alarm Fault Henan furnace gas boiler tube leak detection device can be checked promptly internal gas boiler heating surface Henan leak case, can effectively protect other heating surface tube row, ensure the safe operation of the economic unit. 1. Symptom: (1) one side surface of the entire heating furnace tube leak detection alarm device. (2) concentration of several parts tube leak detection alarm device. 2. Analysis: (1) Henan compressed gas pipeline leak around the boiler emits different sounds. (2) sootblower valve lift Jam, steam leakage. (3) heating surface tube bank or weld leak squib. 3. Treatment: (1) contact electric inspection personnel. (2) no abnormal sound in Henan gas boiler furnace, whether near the flange of the compressed air line check alarm leak detection means has tube leaks and timely manner. (3) Check the tube near the sootblower alarm if a valve lift leakage detecting means there are leaks and timely manner. (4) such as opening hole to see the fire, obviously abnormal sound in the gas boiler furnace Henan, Henan description gas boiler tube leakage indeed, organizers prepare repair. 4. precautions: (1) strengthen inspection. (2) Electric regularly cleaned and checked Henan gas boiler tube leak detection means. (3) make Henan gas boiler tube leak repairs should be tight plan.

Depending on the operating characteristics of electric steam boilers, mainly to properly regulate the drum and induced draft fan. The chamber negative pressure is guaranteed ± (5-10) premise mm water column (water column ≈9.8Pa 1mm) to minimize the amount of the wind, to extend the residence time of the flue gas temperature in the furnace, reduce exhaust gas temperature.

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