china gas vacuum hot water boiler

china gas vacuum hot water boiler

Fangkuai Boiler has carried out a large-scale welding revolution, eliminating traditional manual welding operations with low efficiency, low accuracy and poor stability, and converted it to the use of mechanical welding equipment with high efficiency, high accuracy and high stability for automatic operation . Realize welding automation of all important parts from the drum to the tube sheet. The submerged arc welding, argon arc welding, carbon dioxide welding and other welding details of the process have also made corresponding intelligent changes, workers' welding environment is cleaner, and the quality of boiler welds is more guaranteed.

Vacuum boiler Workflow workflow vacuum boiler, heat generating device (burner) serving energy, is first sucked into the water wall heat transfer by radiation, the latent heat of water boiling water wall, a large number of outbreaks occur moisture vapor influx drum separately, poured into saturated steam superheater generated coupler, the head continues to inhale and horizontal flue furnace, the flue gas through the flue gas duct terminal energy radiation, siphon pattern, and the superheated steam reaches the high operating temperature set. Basic power generation boiler is also provided with a secondary heater safety, as the heat conduction after the high pressure steam treatment tank, the heater reheating steam treated again in the secondary pressure cylinder continues processing power. In General, it is sucked into the vacuum boiler burning diesel kinetic energy so that a portion of the water caused by the standard (e.g., pressure, higher temperature) of the steam device. Vacuum boiler can be divided into two parts and the furnace pot, the pot is a metal material storage containers, diesel burning furnace portion, the pot water sucked into the furnace burning diesel fuel energy into steam, the basic process and burn almost boiling water, then pot kettle, stove tantamount fire stove.

Care must be taken when using the introduction gas steam boiler summary of some of the products despite stable and safe operation, but the use of gas steam boiler should be very common. But by no means is that you can manipulate it at will. This time we will introduce the use of some of the summaries must consider when gas steam boiler. First, double-check before starting boiler gas steam boiler is very important. The review process is very important. We must examine these parts. For example, the gas pressure is reasonable, whether the windshield of the flue gas duct is open, and whether the vacuum pump is pumping. Normal and so on. Only when the equipment is in good condition to start the boiler, and can be operated security of each steam boiler safely. Secondly, the use of off during the shutdown should be a very rigorous process. First of all, the fire should be turned into a small fire, then slowly goes out, turn off the burner. There should be a lot of summaries on the safe use of steam boilers. If you can pay particular attention to the use of so many summary, I believe that the use of a steam boiler is very safe, in order to avoid improper use of details. When the water level falls below a predetermined minimum water level, but when the water level observer can still see the water level, water temperature is determined to be insufficient; when the water level measurement water level measurement project is not judged to severe water shortages. This phenomenon will include summarized as follows: (1) the drum water level is less than a predetermined normal level; (2) low water level warning audible alarm automatically, bright lights; (3) steam superheated steam temperature increases; (4) Water not normal, lower than the steam flow rate value; (5) steam exhaust gas temperature.

Boiler desulfurization system common faults and solutions (vi) a, filter clogging pressure before the plaster if the circulating pump and discharge pump is too low, the filter is likely to be blocked, the control room will be an alarm signal. In this case, the spare circulation pump must start to alert the circulation pump must be stopped. After stopping operation, process water will automatically clean the filter, the clean, and the circulation pump can be restarted or as a backup. Second, the barrier seal sealing blower fan failure trip operation, the standby seal air fan does not start automatically, report value of the long, come to contact maintenance or fault put into operation as soon as possible. Two seal air fan failure outage and FGD are bypassed, consider a small amount of the original flue gas inlet baffle flue gas leaking into the absorption column, cooling needs, open door water wash demister layer. Third, investment and operation of oil boiler if the boiler and electrostatic precipitator run oil investment is not in use, report the value of long, to withdraw from the unit flue gas in FGD system operation. Fourth, the ESP fault FGD in operation, such as electrostatic precipitators unilateral have two or more electric fault outage, FGD flue dust export amount is greater than 350mg / Nm3, report the value of long, to withdraw from the flue gas unit run FGD system. V. severe fouling FGD flue inlet and a flue severe fouling bypass flue has a certain influence on the normal switching baffle. When FGD system and boiler outage, check and clean up fouling. Six, SO2 removal efficiency and low processing method, the correction SO2 meter 2, 3 corrected pH meter, if possible, an additional layer 4 runs spray level, check the dose limestone slurry; increase the feed amount of limestone slurry; reaction check limestone 5 performance, the number of the circulation pump and the pump output 6 of the checking operation, the operation start waste water (if not running at this time) 7, inspection of GGH seal air fan and fan seven low leakage, high concentrations of absorber slurry processing method, inspection density swirl number of sub-measuring instrument 2, 3 boiler load reduction, reduced boiler load 4, check outlet pressure and flow, start the standby pump 5, an increase of 6 runs, to check the cast pump discharge pressure and flow outlet 7, the cyclone cleaning gypsum 8, check the concentration measuring instrument 9, the concentration of eight, the vacuum belt conveyor system troubleshooting cyclone underflow (1) Symptom 1, the slurry feed is less than 2, the vacuum seal water flow is less than 3, the offset track belt 4, pump failure 5, a vacuum line system leaks 6, 7 dust concentration is high, breakage 8 with wear, abnormal belt conveyor belt speed (2) processing method, check valve opening to enhance feed 2, check cloth Washing pump 3, the belt deviation control module 4 checks, check the vacuum pump 5, a vacuum line to see whether there are 6 different sound, the control module 7 checks cake thickness, filter cloth tensioning case 8 check, inspection, operation of belt conveyor

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