Industrial Natural gas fired steam boiler Used in Heating Asphalt

Industrial Natural gas fired steam boiler Used in Heating Asphalt

In response to national environmental policy development, improve the quality of people's living environment of the area, Guangdong Province, actively promote the boiler "coal to gas" action. Currently, Dongguan City, "from coal to gas," the work has entered a crucial stage, nearly two months, the city government, city atmosphere Office, the Municipal Development and Reform Bureau has organized a thorough inspection teams to supervise the Towns "coal to gas" work . Atmospheric do inspection personnel Lurui Quan admits: "From the inspection situation, many companies on the 'coal to gas' is still in the wait and see attitude, worried about the safety and cost issues."

As of March 25, Dongguan City, 26 companies of 37 coal-fired boilers (except coal-fired captive power plant boilers), it has been out of the 17 units, 14 companies were using natural gas. In addition, 12 companies of 20 coal-fired boilers, is expected to complete phase transformation within this year.

It is expected that in the near future, all industrial boilers transform the use of clean energy, Dongguan sky will be bluer.

The design of the boiler room fire interval is how much? Section 13.1.1 boiler fire hazard classification and fire rating should meet the following requirements: a room, boiler production plant belongs to class D, to the industrial fired steam boiler used in heating asphalt rated evaporation 4t / h, when the hot water boiler rated output is greater than 2.8MW, boiler room building fire resistance rating of not less than two; steam boiler equal to or less than the rated evaporation 4t / h, when the hot water boiler is equal to or less than the rated output 2.8MW, between the boiler building fire resistance rating of not less than three; II. when the inter-tank, and a pump room between the oil heater are class C production plant, its construction fire resistance rating of not less than two, disposed within said room between the auxiliary boiler room, a room should be set apart from other firewall; III. between the gas regulator production plant belonging to Group a, which is not less than two building fire rating, should be provided between the boiler room and the immediate neighborhood regulator firewall spaced boiler room, which doors open outwards and should not be passed directly the boiler room, the ground should not spark floor. Referring again to the provisions of Article 5.2.2 GB50016-2006 "architectural design code for fire protection," according to fire resistance rating.

Released by the heating device (burner) heat transfer by radiation is first absorbed waterwall waterwall Boiling water, a large amount of steam into the drum for water separation (excluding DC furnace), separated saturated steam enters the superheater , and it continues to absorb the top horizontal flue furnace by radiation, convection, heat of the flue gas flue of the tail, and the superheated steam to reach the required operating temperature. Power generation boilers are generally provided with a reheater, it is used to heat the steam through the high pressure cylinders acting reheater go out of the reheat steam, the low pressure cylinder to continue to generate power. Popular terms, the industrial fired steam boiler used in heating asphalt is to absorb combustion heat of the fuel into the water some parameters (such as pressure, temperature, etc.) of the steam device. Boilers and boiler furnace divided into two parts, the pot is filled with water to a metal container, partially combusted fuel furnace, the heat absorption of the water inside the pot furnace fuel combustion converted to steam, with the basic principles of almost boiling water, the pot equivalent kettle, oven stove equivalent. 1, by fuel, our existing steam boiler fuel that can be used are: gas boilers, coal-fired boiler, oil-fired boiler, electric heating boilers, nuclear boilers, waste heat boiler, etc., of which the first four of the most common.

Works electric industrial fired steam boiler used in heating asphalt steam electric boiler refers to water heated to a certain parameter and the production of industrial electric steam boilers high temperature steam, the water in the steam drum is heated to become vapor, the fire in the furnace emits heat, is steam electric steam boilers principle. Electric steam boilers belong to special equipment, design, processing, manufacturing, installation and use of the electric steam boilers must be supervised by technical supervision departments, users only get electric steam boilers use permits to use electric steam boilers. The fuel electric steam boiler (electricity, oil, gas) can be divided into electric steam boiler, electric steam boiler fuel, gas three kinds of electric steam boiler; can be configured in accordance with the electric steam boiler is divided into vertical, horizontal electric steam boiler, small electric steam boilers are mostly single, double the return of the vertical structure, large-scale electric steam boilers and more horizontal structure of three return. A heating device (burner) to release heat, radiation is first absorbed by the water wall heat transfer, vaporization of water boiling water wall, a large amount of steam into the drum for water separation (except the DC furnace), separated saturated steam enters the superheater, by radiation, convection and continues to absorb the furnace top horizontal flue, the flue gases heat the back pass, and superheated steam to reach the required operating temperature. Electric power generation boilers are generally provided with a steam reheater, the steam is used to heat through the high pressure cylinders acting reheater reheat steam go out, the low-pressure cylinder to continue to generate power. Electric steam boiler can be classified according to the electrical power of the fuel steam boiler, electric steam boiler fuel, gas electric steam boiler; can be configured in accordance with the electric steam boiler is divided into vertical, horizontal electric steam boiler, a small electric steam boiler mostly single, double return of the vertical structure, large-scale electric steam boilers and more horizontal structure of three return. Vertical vertical double return configuration electric steam boiler fuel gas burner set under way, double return configuration, fuel combustion, stable electric steam boiler operation; inserted spoiler smoke tube, smoke slow speed, increase heat exchange high thermal electric steam boiler efficiency and reduce user costs. Three horizontal return structure horizontal electric steam boiler shell type three return all wet back downstream pyrotechnic pipe structure, the combustion flame in the combustion chamber large positive pressure, fully extended, low combustion heat load, the high heat of combustion efficiency, effectively reducing the exhaust gas temperature, energy saving, economical use. Waveform threaded pipe and furnace structure, not only improves the strength of the electrical endothermic steam boilers, but also to meet the needs of thermal expansion of the heating surface, scientific and rational, and durable.

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