fire tube vertical hot water boiler

Corrosion causes and methods boiler boiler corrosion is often used in the home or small-scale industries, there will be worn at the time of its use or corrosion is inevitable, but this phenomenon is caused by loss of equipment will give, I give below describes the reasons of corrosion and methods of its corroded: common corrosion forms superheater tubes and reheater, high-temperature furnace: a, a gas side corrosion, corrosion gray matter. 2, anti-corrosion method: controlling the temperature of the furnace tube, the melting point of the condensate is skipped, deferred control the oxygen content and surface treatment selected tube control, reduce the combustion of sulfur produced. 3, dew point corrosion: SO2 gas generated by the combustion, the flue gas in combination with comfortable, and sulfuric acid produced in the condensation and corrosion of the metal in the metal surface below the dew point. 4, stress corrosion: refers to brittle cracking occurs under tensile stress while the action of the metal in the particular corrosive medium and a certain level. Second, the water-side corrosion comprising: 1, corrosion free carbon dioxide: hydrogen water acidic substance depolarization caused by corrosion. Corrosion Methods: water equipment to try to remove the CO2 and carbohydrates. 2, under deposit corrosion: the metal surface when you boiler slag or scale adhesion, severe corrosion can occur beneath it, referred to precipitate corrosion. Corrosion Method: The pH of the water in the apparatus is maintained at between 9 and 11, the metal surface of the boiler protection film is stable, does not corrode. 3, soda corrosion: the metal corrosion is a chemical vapor oxidation of iron occurs. The method of anti-corrosion: Depression evaporating section smaller inclination angle, ensure the normal circulation, for higher superheat temperature superheater, heat should be used, good corrosion resistance and the like of steel pipe. 4, DO corrosion: In the soda system, metal corrosion of the steel is prone to corrosion by dissolved oxygen. Corrosion: Water favor oxygen, increase the flow rate of water, to avoid the accumulation of oxygen in the respective area, so that uniform contact of oxygen with the metal wall to form a more uniform corrosion. Boiler is very special operating environment, temperature and pressure and corrosive substances can cause equipment corrosion conditions occur, for which we have to take the right precautions to avoid future corrosion occurs during use.

Condensing boilers give users a positive impact: In recent years, condensing boilers get more and more users love and recognition. 1, a fuel burning will produce large amounts of CO2, NOx and small amounts of SO2, when the discharge of these materials into the atmosphere, causing acid rain and the greenhouse effect, damaging effects on the environment. At the same time condensing boiler flue gas condensing water vapor, can effectively remove harmful substances in the flue gas, therefore, the use of condensing boiler has important implications for the protection of the environment. 2, the flue gas temperature is high during normal combustion boiler, about 130 ℃, took a lot of heat, combustion technology can be condensed flue gas temperature dropped 60 ℃, part of the flue gas is condensed into a liquid, absorbed by the flue gas heat becomes liquid, that is recycling the heat had been taken away by the smoke, so the thermal efficiency is much higher than ordinary boilers. 3, all-condensing heat exchanger technology of condensing boilers, higher cooling speed during operation, the replacement for the efficiency of the heat faster, while improving overall productivity but also enhance the efficiency of other processes.

Second, the scientific and rational operation of the boiler

An electric steam boiler on various wires to be contacted inevitable, therefore, be sure to check for all electrical wiring and the fastening point before the boiler, comprising a distribution cabinet, the control cabinet. Pump boiler water level gauge, pressure gauge, water level sensor, safety valve should be checked in order to start the boiler after confirmation normal.

Since more than six months since the boiler equipment, heating and hot water supply well, our technical staff also view real-time remote monitoring and control through the use of the boiler to the scene, Baiyun Quan Lake hotel management staff related to our technical staff gave very great encouragement and affirmation. --customer feedback

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2020-5-22 · Since fire is inside the tubes and hence it is named as fire tube boiler. The heat from the hot gases is conducted through the walls of the tube to the water. The examples of the fire tube boiler are the simple vertical, Cochran, Lancashire, Cornish, Locomotive, Scotch marine, and Velcon boiler.

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Just Industry Boiler co is located in the beautiful seaside city - Qingdao, with beautiful scenery and pleasant climate all over the world. It has a world-class excellent port, National West Coast District. With the advantage of resources and unique geographical location, it has become the global production chain an important part of the service that gave birth to many outstanding enterprises

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Fire Tube Boiler. Source-Fapdec What is a Fire Tube Boiler? In one sentence we can say, a Fire Tube Boiler is a type of boiler in which hot gases pass through the boiler fire tube and water pass through around the fire tube. It can be Horizontal, Vertical, Inclined Position and External or Internally Fired.

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2020-5-22 · Since fire is inside the tubes and hence it is named as fire tube boiler. The heat from the hot gases is conducted through the walls of the tube to the water. The examples of the fire tube boiler are the simple vertical, Cochran, Lancashire, Cornish, Locomotive, Scotch marine, and Velcon boiler.

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