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Recently, Dongguan City, Guangdong Province, announced the embodiment of combustion facilities out of the transformation of coal-fired boilers. Continued efforts to implement air pollution control operations, blue sky to win the battle to raise the overall urban air quality, promote the construction of beautiful Dongguan.

Program execution object: the end of 2018 or for the gas central heating has been completed and all coal-fired boilers, furnaces, stove and other combustion facilities within the region.

Remediation program goal: to complete the gas before the end of 2018 has been for central heating or combustion facilities have been built out of regional coal-fired boilers and other renovation work. among them,

1, 2018 May 31, the gas supply has been built up, or central heating coal-fired boilers and other combustion facilities within the region, incorporating the first period regulation, must be completed before the phase-out renovation work in October 2018 31

2, June 2018 period from 1 July to 31 December 2018 for gas central heating area is built up or coal-fired boilers and other combustion facilities within the scope of the regulation into the second period, to be completed by 31 December 2018 out of the transformation.

Program remediation requirements:

1, the boiler must get out of the transformation of the city of Quality and Technical Supervision issued by the migration, retirement, cancellation of certificate or change a new boiler fuel use permit after; furnace, stove eliminated after the transformation of environmental protection must apply the change.

2, central heating is completed, it must use natural gas, liquefied petroleum gas, electricity and other clean energy combustion facilities outside the area out of coal-fired boilers, etc. after the transformation continued use.

3, central heating boilers planning area must use the central heating (gas) after the completion of the heating zone, will not have the heating conditions can use natural gas, liquefied petroleum gas, electricity and other clean energy as a transition.

4, into the "scattered pollution", high pollution and high emissions from industrial boilers and enterprise-wide to be eliminated.

5, for failure to complete boiler or eliminated within the rectification period, the Municipal Environmental Protection Bureau in accordance with the requirements of relevant laws and regulations and strict enforcement of its Municipal Quality Supervision Bureau will be canceled.

imported burners provide a wide operating range

central furnace tube to ensure safety and long life of the steam boiler shell

Fuel steam boiler blowdown operational purposes and pay attention to the four-point fuel steam boiler is oil as a steam boiler fuel. On the type of fuel steam boiler is both vertical and horizontal. And, corresponding to different types, have different scope. Fuel steam boiler blowdown purpose of operation: a Objective: to exclude the foam suspension boiler water surface, thereby reducing the amount of salt and alkali content of boiler water, steam boiler fuel to avoid Priming phenomena occur, ensuring the quality of the steam. Two purposes: to exclude dirt accumulation, sludge collection drum and the lower base of the box, to avoid a series of problems. Note 2. The oil-fired boiler blowdown precautions fuel steam boiler blowdown operations: (1) before the sewage work, first raised the water level in the normal position of the water level in the boiler (child have exceeded), and to be in the process strict monitoring, to prevent water shortages. (2) When the sewage for a period of time, to check whether the abnormal temperature sewage pipes, drain valve in order to check whether there is leakage, if any, should be resolved in time. (3) work for sewage fuel steam boilers, should follow the ground row, fewer rows and rows of uniform three principles, and sewage class at least once, so as not to appear boiler burst pipes and other problems, resulting in serious consequences. (4) Fuel blowdown steam boiler, the boiler is carried out under low load conditions and normal operating pressure, and the operation switch is repeated several times, so that the sewage can ensure better, and a thorough, in order to avoid residue, thus affecting the effect of blowdown and the work of the boiler. Above is the purpose of operating the sewage oil-fired boiler with four Precautions hope for your help.

D type water tube boiler design

D type water tube boilers are designed with a large steam drum at the top, vertically connected to a smaller water drum (or “mud drum”) at the bottom, via multiple steam-generating tubes which carry feed water (providing the main heat transfer surfaces for the production of steam). These are surrounded by walls made up of larger water-filled tubes, which make up the furnace.

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