Best quality promotional 1 ton gas boiler

Best quality promotional 1 ton gas boiler

The advantages and disadvantages of natural gas and biomass steam best quality promotional 1 ton boiler steam boiler 1, the price of biomass fuels is greatly affected by seasonal. If the biomass supply is the best, the best option is to choose natural gas. 2, gas pipeline need to connect gas-fired, gas-fired gas pipelines can not be used. 3, the storage of the biomass fuel is more cumbersome than natural gas. 4, biomass boilers are not available in all areas, need to be combined with local boiler policies.

Recently, the Changsha City issued a notice on the transformation of low nitrogen gas best quality promotional 1 ton boiler related documents. Details are as follows:

1, a total transformation time for two years, 2019-2020 years.

2, the transformation range: High-tech Zone, Furong District, Tianxin, Kaifu District, Yuhua District, Yuelu District administrative region, the city of hope Gaotangling Subdistrict high Tong Ling Area, Osan streets Yujia slope Area, Lake Daze in the region ban on burning streets, white sandbar streets, moon Island street, Jinshan bridge street, Golden Park street, Xingsha streets of Changsha County, Hunan Long street, Quantang streets, Langli streets, long queue streets, such as the scope of the existing town of Sha It is not less than 1 ton of steam (greater than or equal to the rated power or hot water boiler, organic heat carrier in the boiler 0.7MW) gas boiler (facility) (boiler equipment including special directory outside the range) low nitrogen unit owners embodiments transformation. Or more areas outside the area of ​​self-implementation.

3, the transformation of the standard limits: the new replacement and overall gas boiler Changsha NOx emission is less than 30mg / Nm³; gas boiler (facility) was transformed with the nitrogen oxides emission concentration of less than 50mg / m³.

4, 2019 Task: In addition to the Furong District, Yuhua District, within a range of high-pollution fuel combustion zone ban other jurisdictions to start the transformation from June 2019, 50% complete gas-fired boiler (facilities) low nitrogen transformation and complete acceptance.

5, 2020 Tasks: Before the end of October 2020 to complete all gas boilers (facilities) within the range of high-pollution fuel combustion zone ban on low-nitrogen transformation and complete acceptance.

Gas best quality promotional 1 ton boiler heat loss through the combustion of fuel gas boiler, will release some heat, which will supply part of the user, some will be recycled and part is inadvertently wasted. So these are wasted heat lost through the ways in which it (1) heat losses:? Flue gas exhaust gas boiler part of the heat into the atmosphere, causing the boiler heat losses, it is each boiler term heat loss Dazhong biggest one. The main factors influencing the heat loss is higher exhaust gas temperature and the amount of smoke exhaust gas temperature, the greater the amount of smoke, the greater the heat loss. Low exhaust gas temperature depends mainly on the number and operating conditions of the heating surface; the amount depends on how much leakage exhaust case and the furnace excess air, flue. (2) heat loss incomplete combustion gas: a part of the unburned combustible gas is discharged with the flue gas to heat loss caused by heat in the flue gas. The main factors affecting the incomplete combustion gas heat loss is the excess air and furnace structure. Excess air coefficient is too small, uneven air is mixed with fuel, easy to generate carbon monoxide and other combustible gases; excess air coefficient is too large, the furnace temperature is lowered, the combustible gas is not easy ignition and combustion. Furnace volume is too small, combustible gases in the furnace too late to enter the combustion flue gases caused by incomplete combustion heat loss. (3) heat loss: the furnace heat loss, frameworks, pipes, door opening caused by heat dissipation to the surroundings. Size depends on the heat loss factors of the size of the surface area of ​​the furnace gas steam boiler, heat insulating properties and thickness, the outside air temperature and the flow velocity. Electric heating reactor common external damage: an electrically heated reactor despite external corrosion has a high etching resistance against acid and alkali resistance, but our electrical heating by the heating apparatus is a kettle layer and an outer tire iron constituted. Such a medium is iron acids and bases are not corrosion-resistant. If we would have the production process if the reactor cover or screwed pipe joints without seal failure or leak acid tire iron reactor apparatus for electrically heating the outer corrosion. Corrosion support member 2. The reactor was heated electrically heated reactor during installation, support or other support member may be mounted directly on the floor, due to the long manufacturing operations on the floor may be deposited with corrosive media, so that for support our reactor electrically heated apparatus corrosion, resulting in the supporting force of each of the support produces a change resulting in a change in stress in the damage produced during heating layer. 3. The electrically heated reactor stress spout in the electrically heated reactor, when the steel of the pipe and the pipe joint, since the thermal deformation and the reaction was heated electrically heated autoclave vessel or duct stressed cold might damage the pipe.

What are the matters needing attention in the retrofit of coal-fired best quality promotional 1 ton boiler?

With the implementation of the new environmental protection law and the introduction of new standards for the control of atmospheric pollution of boilers, the transformation of coal-fired boilers in various localities has been carried out in an orderly manner, and coal-fired boilers can be transformed into natural gas boilers in the actual operation. Can also be transformed into biomass boilers, but no matter how to reform, in addition to the choice of high-quality coal-fired boiler transformation company, but also need to pay special attention to the following matters.

1. When the boiler is dismantled, attention should be paid to shutting down the blower and stopping operation when the boiler is dismantled, and when the furnace temperature drops to an appropriate temperature, the boiler needs to be dismantled by the relevant parts of the existing boiler to be retrofitted to the coal-fired boiler. Stop the boiler induced fan, chain grate, then the workers enter the furnace from the fire door, remove the original furnace arch of the boiler, clean up the furnace interior, and then remove the main engine and auxiliary machinery of the boiler.

2. Attention to furnace reform is one of the key points in coal-fired boiler reform. The combustion conditions of existing boilers can be improved by reasonable transformation, which can not only accord with the combustion conditions of new fuels, but also play a better role in saving energy. However, it involves re-pouring the furnace, so special attention should be paid to keep the back arch pipe of the boiler away from the center of the flame, so that it will not be burned by the high temperature.

3. Attention should be paid to the modified boiler after a series of projects, such as retrofit of coal-fired boiler, pouring of new boiler front arch and back arch, etc., should be paid attention to after the retrofit of coal-fired boiler is carried out. One of the most important tests is to test the boiler body under certain pressure, and the boiler can be put into use only after the boiler has passed the test and revamped. These are a few things to pay attention to when reforming coal-fired boilers.

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