paper mill boilers models

Second, the small gas paper mill boilers models operating specifications

1, boiler installation needs at least a pressure gauge, pressure gauge check should be carried out in accordance with relevant regulations. Small soft drinks dual boilers, steam boilers and small small aluminum boiler should be installed at least also a water gauge.

2 small soft drinks dual boiler, small boiler pressure boiler must not use spring-loaded safety valve, water-sealed safety device meets the following requirements should be adopted:

Third, do water quality management

Careful maintenance of the boiler operators will have to do from the outside in, water quality management is also an important step in the maintenance of low nitrogen gas boiler. If the boiler water concentration is too high, it will lead to false water level phenomenon, resulting in the boiler does not work. Therefore, operators also need to strengthen water quality management and take preventive measures, so it is more conducive to long-term maintenance of low nitrogen gas boiler.

To complete the "clean winter heating pilot cities in northern areas," the goals and tasks, Jinan Municipal People's Government issued the "Jinan City" pilot cities for winter heating cleaning northern "three-year implementation plan (2017-2020 years)." "Program" is mentioned, three-year pilot period 59 key projects a total investment of 27.3 billion yuan, 2.1 billion yuan from the central government funds, municipal funds 5.8 billion yuan financial support to attract social capital of 19.4 billion yuan. Six technical work in accordance with the deployment path, focusing on elimination of coal-fired paper mill boilers modelss, clean the deep geothermal heating, urban and rural construction and other clean energy alternative to lead technical projects, improve the maintenance of post-operation, promote clean winter heating work in an orderly manner.

Focus on the implementation of urban and rural clean energy alternatives. In the vast rural areas and central heating uncovered areas, in accordance with the enterprise-based, government promotion, residents affordable policy, local conditions, the use of alternative energy classification implementation. Urban and rural clean energy alternative to task a total of 48 projects, plans a total investment of 6.272 billion yuan (excluding clean coal-burning alternative to low-quality coal project), in which the central budget funds 820 million yuan, local financial and social capital invested 5.452 billion yuan. Coal to electricity which involves 19 projects, the use of alternative energy, Valley Electric energy storage, energy management contract, support clean green electricity for heating, with a total investment of 650 million yuan, of which the use of the central budget funds 250 million yuan; shed no change change clean heating, involving 95 000, in which the central government 200 million yuan.

Natural gas industrial paper mill boilers modelss produce condensate water hazards natural gas industrial boilers produce condensate water hazards natural gas industrial boilers produce condensate water hazards 1, the corrosion of condensate water boiler heating surface major harm to the natural gas industrial boilers is the corrosive effect on the heating surface of the boiler. Condensate corrosion WNS rear of the boiler heating surface of the bottom of the tube focus, mainly iron oxide corrosion products. Condensate corrosion can cause intense side wall thinning, strength weakened. (1) condensation with the flue gas evolution corrosion, some CO2 is dissolved in the condensed water, CO2 generated in case of weak electrolyte H2O H2CO3, ionized hydrogen ions, so that a weak acid condensate, and another part of the nitrogen oxides and containing a very small amount of sulfur dioxide dissolved in the condensate, enhances the acidity of the condensate, the pH of the condensed water as in table 1 were lower than the position of the drum 4.3. iron hydrogen evolution corrosion can occur in the acidic solution, and the strong acid, the reaction The faster rate. (2) Since the oxygen etching gas during combustion boiler need to ensure a certain air ratio, combustion flue gas contains oxygen. When the steam condenses, some oxygen will be dissolved in the condensed water, causing corrosion of the metal heating surface of the oxygen. 2, when the cross-sectional area to reduce the flue gas flow type gas boiler industrial boilers operate at low load, the heated surface of the flue gas, the condensed water gathered in the smoke tube, the resulting corrosion products accumulate in the bottom of the tube, even clogging of the pipe part, thus reducing the flow area of ​​the flue gas, the flue gas resistance increases, and increase in power consumption of the blower. 3, the furnace temperature is lowered, damage to the burner within the examination of natural gas in industrial boilers, often find a certain amount of condensed water. We found condensate discharge tube boiler such severe congestion, resulting in condensed water in the lower furnace does not discharge, and refluxed for aggregation. When the boiler is started, the heat accumulated in the furnace absorbs the condensed water and evaporated fuel combustion, thereby reducing the furnace temperature. If the furnace condensate accumulated too much, and even dipped into the burner, causing damage to the burner. Suddenly turn off the boiler, the boiler does not start, because the burner too much condensation water immersion, affecting the safe operation of the boiler. 4. Effect of boiler condensate generated on the heat sealing material penetrates into the sealing material of the boiler insulation, the point of the arrow indicated gas tank gas boiler WNS industrial boilers. Sealing condensed water immersion insulation material for a long time, the insulation effect will be weakened or even physical damage, increased heat loss. Meanwhile, the condensed water will make the sealing material deformation aging, sealing capability weakened, leading to a certain amount of flue gas emissions, which not only be dangerous, can also cause a certain amount of heat loss.

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