Waste Heat Boiler Design

Waste Heat Boiler Design

Henan gas waste heat boiler design which happens in the operation can be divided according to different situations: abnormal water level, Priming, abnormal combustion and the pressure member damage. 1, Henan gas boiler water level anomalies (1) Water Shortage Accidents: When Henan gas boiler water level drops below the minimum allowable level, said the water shortage, water scarcity is divided into mild and severe water shortage, severe water shortages Henan gas boiler, resulting blast furnace tube, if not handled properly, Sheung Shui in the case of a large number of tubes and pipes red-hot pot, a large amount of steam when the water pipe, or drum in contact with red-hot furnace, air pressure suddenly soared, gas boiler will result in Henan blasting accident. Therefore, a serious water shortage in Henan gas boilers, non-Sheung Shui to the boiler, take emergency shutdown measures. (2) filled with water accident: the water level in the boiler water level exceeds the maximum permitted, shocks occur within the steam pipe severe. 2, a gas boiler Henan Priming Priming is characterized by dramatic fluctuations in the water table level, water from the foam pan, with a large amount of water steam, water hammer occurs in severe duct occurs mainly soda boiler water is Priming salt content is too high .. 3, Henan gas boiler combustion anomalies (1) overpressure accident: the working pressure of the boiler run time exceeds the maximum allowable working pressure, overpressure when severe, can cause boiler explosion. (2) secondary combustion: rear of the boiler deposition of combustible material, re-ignition combustion phenomenon known as secondary combustion. Secondary combustion air preheater or accident can burn induced draft fan, severe cases can totally destroyed the rear of the boiler. 4, damage to the pressure member (1) Henan gas boiler tube Blasting: Blasting significant noise when blast furnace tubes, steam spraying sound while the water level decreased rapidly, the pressure decreased, blast furnace tube is bad or not at all to a treatment to carry out treatment, causing the furnace tube fouling or corrosion caused .. (2) Henan gas boiler furnace explosion: the concentration of combustible material in the furnace and air mixture reaches the explosive range, the furnace explosion or detonation encountered fire occurs. When the furnace explosion, flames from the ignition hole of the boiler, the water spray out hole, etc., easily hurt, blast furnace will cause the collapse of the furnace wall, boiler damage and a serious threat to personal safety.

After the waste heat boiler design 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

Food factory steam waste heat boiler design energy saving method which energy-food plant steam boiler method What? For food factory steam boiler, the boiler thermal efficiency if it is able to raise up, who is not only for food plants to improve production efficiency, better save a lot of costs for food plant. Energy conservation is the problem of food production plants to be considered, especially in thermal power production and increase support for the industrial boiler plant food, energy but also reflects the level of technology boiler industry. With the successive implementation of the national energy saving policy, the traditional coal-fired industrial boilers gradually replaced by natural gas steam boilers, industrial thermal power field there was a revolution on energy saving. In addition to traditional industrial coal-fired boiler steam boilers to natural gas, the natural gas steam boiler operation was also able to adopt energy-saving measures. Xiao Bian finishing the following natural gas steam boiler energy saving measures: 1, the amount of steam is a reasonable choice of natural gas steam boiler power rating and the number of boilers in accordance with the requirements of industrial production, the higher the actual use of these two conditions with smaller matching exhaust loss , significantly more energy. 2, the fuel and the air full touch: make the right amount of fuel and the amount of combustion air is composed of the best share, so that the fuel combustion power not only progress, but also to reduce polluting gas emissions, the completion of two energy-saving policy.

Gas-fired steam waste heat boiler design blowdown processing techniques which use any boiler blowdown must be, otherwise it will affect the normal operation, slowing the life of the boiler: the definition of sewage: In order to meet the standards of boiler water, impurities in the water must be controlled within a certain range, this requires removal of salt from the boiler, the boiler water higher alkali content and depositing in the bottom of the water, sludge-like precipitate and loose, this process is known as blowdown. Sewage Purpose: Excluding these sediment discharge, will affect the quality of steam, but also the inner wall of the boiler scale build-up, resulting in poor water circulation normal operation, the impact of the boiler. Thus, the formation of impurities to be discharged into the boiler, to ensure that the salt content in the range of the allowable water boiler, which is the object of the sewage. Sewage mode: continuous blowdown also called surface discharge. This sewage uninterrupted manner i.e. the maximum concentration of the boiler water from the boiler water a boiler discharge surface layer, which role is to make the salt content of the water and alkalinity reduction furnace, otherwise, excessive concentration of boiler water steam quality will be affected . Also referred to as sewage regularly or intermittently bottom blowdown discharge is intended to enable the accumulation of slag in the lower portion of the boiler and the precipitate is excluded. Although the duration of each periodic discharge is not long, but it has a strong ability to discharge pot precipitate. 1, the sewage water level in the boiler to be at low load is slightly high vapor pressure and good low load, the boiler water circulating slowly, resulting in easy accumulation of dirt in the drum, the bottom of the collection tank, and the high vapor pressure: Note sewage high blowdown flow, to facilitate the discharge of dirt. Thus, when the boiler blowdown water level should be maintained in order to operate the sewage at around 60%, it must be set when the sewage someone to operate closely monitor changes in the water level to prevent water shortages. 2, the drain valve should open each short intermittently discharge opening quick-closing speed, disturbances caused by dirt slag, thus repeated several times, the precipitate was suction rely possible to quickly meet at outfall, then concentrated discharge. To control the right time, not too long, usually once a sewage must be in the 30s of the time. If the discharge time is too long, the water content of soil furnace will be gradually reduced, so the effect of variation not only sewage, emissions have increased, not only a waste of energy, but also affect the boiler water circulation, and even burst pipe failure may occur. 3, the observation of a given row Expander sewage after the steam outlet, must touch the outfall temperature, and view given row Expander air outlet, in order to determine whether or not to confirm the drain valve is fully closed. Ruoyin debris stuck in the spool of the leak can be re-opened after a rapid close, if the issues shutting the valve wear and difficult, should strengthen surveillance, arrange repair or replacement as soon as possible, at the same time, should be prepared to shift on the record corresponding record, for subsequent inspection.

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