steam boiler for pulp machine

The double vertical tube water tube boiler can be divided into D shape and KB shape according to its structural characteristics. The D-shaped structural feature is that the furnace is arranged on one side of the double vertical drum and the other side is a convection flue. And the KB-shaped structural feature is that the hearth is arranged in the center of the double vertical drum, because the lower drum is shorter than the upper pot, the empty space is just arranged for the furnace, and the rear is the convection flue.

To better implement the important speech on the 30th anniversary of the General Assembly Special Economic Zone Xi Jinping, General Secretary Xi Jinping and ecological civilization idea of ​​celebrating to do in Hainan Province, fully implement the "CPC Central Committee and State Council guidance on the full support of Hainan, deepening reform and opening," "CCP central State Council on the overall strengthening of environmental protection and resolutely fight pollution prevention campaign of view "and the spirit of the national Assembly ecological and environmental protection, pollution prevention and resolutely fight tough fight, to promote the construction of national ecological civilization pilot area to ensure the quality of the ecological environment of Hainan can only be more well, not worse, now combined with the actual circumstances of this action.

1, by 2020, the proportion of clean energy installed capacity of more than 60%, to promote low-carbon clean energy priority access. Daly implementation of the "cut cut coal oil" to prohibit new coal, phased out of existing coal-fired units. Before the end of 2020, the province basically eliminated 35 tons of steam / hour and coal-fired boilers.

2, all cities and counties to complete the "high-pollution fuel combustion zone ban" before the end of June 2019 delineation and adjustment. In the combustion zone ban, prohibit the sale, burning polluting fuels. Within the province burning petroleum coke is prohibited. Oil coal quality sampling to establish a regular mechanism.

3, to carry out comprehensive improvement of industrial furnaces, phasing out non-compliance of industrial furnaces, industrial furnace to promote the use of electricity, natural gas and other clean energy or central heating.

4, the full implementation of the construction of urban gas engineering, gas propulsion countryside village "gas on behalf of firewood," to build a gas pipeline network covering urban and rural areas. Demand planning and construction of a number of gas-fired generation projects.

5, to promote the transformation of low nitrogen and ultra-low emissions retrofitting existing gas boiler biomass boilers. Low NOx combustion pollution control measures in new clean energy boiler fueled with natural gas should be used.

The necessity and significance of boiler cleaning: boiler after a long run, the inevitable emergence of scale, corrosion problems, these problems are due to the generation of scale, so that the heat transfer deterioration, resulting in reduced efficacy boiler. It is difficult to achieve nominal evaporation; and since the heat transfer is deteriorated, such that the metal overheating, under pressure boiler, furnace tube bulge occurs even explode; poor thermal conductivity, so that the fuel consumption is increased, increased operating costs, boiler shortened life expectancy. Therefore, the boiler scale, should take the necessary cleaning methods.

Do you know how to determine what level of small steam boiler for pulp machine? Severe steam with a large amount of water, increasing the salinity of small gas steam boiler, water hammer occurs in the sound of the steam pipe, steam connecting flanges outwardly take drip; feedwater flow is less than the steam flow rate, should the tube due to tube cracking or economizer when caused by lack of water, the opposite phenomenon occurs; when a serious water shortage, the door can be seen from the red-hot water wall tubes, but also smell the burnt smell, while tube may rupture, then you can hear the explosions, steam and smoke from the door, watching the fire door ejection.

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