Food plant causes corrosion and the effects after stopping the electric heating vacuum hot water boiler supplier in medan factors: food factory after disabling boiler corrosion causes and influencing factors after food factory boiler shutdown, with decreasing pressure and temperature inside the boiler steam condenses into water, boiler a vacuum inside, the outside air leaks into the furnace, the oxygen and water vapor in the vapor state. Metal is prone to corrosion. Boiler structure, if you do not take some measures to stop the use of corrosion is inevitable. For example, can not be discharged superheater superheater water. When the internal heating surface has a water-soluble metal salt scale, when it absorbs water, will form a high concentration solution of salt, which will aggravate the etching stopper, internal corrosion is formed ulceration. Often this is the entrance to the superheater. Because the separated saturated steam upon entering the superheater boiler always carry a small amount of water, the saturated vapor absorption heat upon entering the superheater, the boiler water is evaporated into steam, boiler water salt deposited on the inner wall of the superheater. Heater inlet pipe.
Boiler feed water is necessary to control item 1, suspension criteria: When the electric heating vacuum hot water boiler supplier in medan feed water of the raw water from surface water, depending on the number of suspended solids and colloidal content in water, can be selected coagulation, sedimentation and filtration techniques; when the raw water is groundwater, general just filtration, which is high iron content, increased iron manganese sand filter measures. 2, standard hardness: mainly many ways to prevent or control fouling, hardness removal, lime softening, softening agents exchange, but the most common, is the best approach to ion exchange softening effect, newer methods nanofiltration is law. 3, dissolved solids standard: When the salinity pot of water reaches a certain limit, it will generate priming, resulting in a sharp deterioration in the quality of the steam boiler. Many water quality demanding industries, such as the electronics industry and power plants and other boilers with high pressure, dissolved solids of the water has more stringent requirements. Method of reducing dissolved solids generally referred to as desalting, the main methods are: ion exchange, electrodialysis, reverse osmosis, the traditional process to use an ion exchange method, a method for updating a reverse osmosis membrane method. 4, DO standard: DO is mainly to prevent the corrosion of the furnace and the duct, the general heat deaerator, there are other oxygen chemical, electrochemical oxygen, vacuum deaerator like. 5, PH value and alkalinity boiler water standards: when boiler water is alkaline (pH 10-12), in order to make the fouling substance becomes slag to clear. Commonly used dosing method. 6, the relative standard alkalinity: primarily prevents the generation of caustic embrittlement. - scale boiler cleaning equipment, boiler feed water equipment, boiler water softening equipment, boiler desalted water softening device 7, the standard oil content: boiler water is mainly to prevent foaming, with formation of oily scale. Techniques employed degreasing water separator and the like. In cities and towns, the boiler feed water is generally tap water as raw water, drinking water according to the national standard, which turbidity is not more than 5, the total dissolved solids <1000mg / l, PH = 6.5-8.5, no oil, generally only the hardness of the boiler does not meet the standards water supply requirements, for industrial low-pressure boilers and hot water boilers, only the configuration softening process.
After the electric heating vacuum hot water boiler supplier in medan put into use, such as the hotel responsible person to give us feedback: fast boiler advanced product design, simple and intuitive operation, the most critical is energy saving, low NOx emissions, can be used in the Beijing area. Compared with other boiler brands, fast Boiler made us worry. --customer feedback
There are several series of oil and gas boilers produced by ZG boiler, wns oil and gas boiler series, szs oil and gas boiler series, vacuum hot water boilers and fuel gas power station boilers. ZG boiler 's 70-year manufacturing history has made ZG boiler a rich boiler technology achievement. ZG boiler 's boiler series products are developing rapidly, and they are traced to more than 80 countries and regions around the world, and are gradually entering every corner of the world.
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