gas fired fire tube boilers

In fact, the fired fire tube boilers "coal to gas" fully able to achieve energy, mainly reflected in:

1, high combustion efficiency

Boiler installation of "blast doors," What is the role now on the market most of the fired fire tube boilerss to gas, oil, biomass, electricity as the main fuel, coal-fired boilers because of its harmful pollution levels gradually been changed or replaced. In general, no boiler explosion during normal operation, but if it is due to the improper operation of the ignition or operation, it may cause the furnace or tail or secondary combustion flue explosion, resulting in serious danger of impact. In this case the role of "explosion vent" is manifested when the furnace or flue trace knocking occurs, the pressure within the furnace is gradually increased, when a certain value is higher than the pressure relief device can turn on itself through the explosion vent to avoid the risk expansion to ensure the overall safety of boiler and furnace wall, more importantly, it is to protect the safety of the boiler operator. Currently there are blasting boiler membrane and two kinds of swing-proof door. Swing-proof doors are mostly placed in the furnace wall of the combustion chamber. Their installation position can be divided into vertical and tilting, by the door frame, the door and the hinge member and the like components. The door frame and multi-cast iron round or square, the width of their mutual contact surface generally is 3 ~ 5mm, and to ensure seamless tight. The door is coated with a heat-resistant concrete, which limit the pressure according to a desired thickness value has been calculated or determined experimentally. When the gas in the furnace or flue explosion, the door is automatically turned about the shaft relief, and then shuts itself down. Sealing pressure of the vent door from the inclination angle (usually not more than 30 °) or the downward pressure created by the weight of a weight is obtained. Most membrane blasting explosion vent means on the flue, and a clamping device consisting of explosive membrane. Bursting disc is typically made of a thin metal plate of asbestos, aluminum and stainless steel. When an explosion occurs in the furnace or flue gas generated shock wave pressure to bursting membrane damage, play the role of relief, once the explosion vent membrane after blasting effect, it will not reset itself, the clamping device must be open blasting repositioned membrane. Note 1, the position of general device explosion-proof door on the wall or on top of a steam boiler furnace furnace exit side of the furnace flue fuel gas. 2, explosion-proof doors should be installed in place without the threat of operator safety, and a pressure relief guide tube, it shall not be stored near inflammable and explosive materials, highly preferably not less than 2 meters. 3, activity blast doors require regular manual test to rust dead.

The heat is generated in the furnace part of the fired fire tube boilers, where fuel is combusted. The fuel used in a boiler contains either chemically bonded energy (Commenly power station boilers include coal bpoler, natural gas boiler, petroleum boiler, liquefied petroleum gas boiler, and various biomass boiler).

According to the central environmental supervision feedback on the issues raised in item 50: "Mudanjiang 108 wood processing enterprises, 69 there is the issue of illegal construction projects, companies supporting more than 114 fired fire tube boilerss for small hand-burning stove, black smoke very serious people to report complaints, "the rectification of the problem. Mudanjiang City, Heilongjiang Province, the municipal government attaches great importance to conduct a comprehensive renovation work for small coal-fired boilers.

The beginning of tasks to carry out, Municipal Environmental Protection Bureau of Mudanjiang City Center 108 existing wood processing enterprises in coal-fired boiler equipment to be checked. Inspection and found 69 illegal construction projects there is a problem, companies supporting more than 114 boilers for small hand-burning stove, black smoke is very serious. To date, there are 65 companies to complete the record, four enterprises waste industry. By Trade and Industry Bureau of Quality Supervision and verification, 114 sets of small boilers of this regulation in the wood enterprises, has completed the transformation units 62, cancellation, revocation 23 units, idle shutdown, waste industry 26, and removal of three. Wherein Yangming boilers zone 97 (where the 58 transformation is complete, the boiler cancellation, revocation table 21, the idle shutdown, industry waste boiler 18); boilers zone 12 (where the grid and transformation of the two, the idle shutdown the six, cancellation of Taiwan, has been demolished three); Dongan District 3 boilers (in which the transformation is complete for two, small boilers cancellation Taiwan); Xi'an area, Edmonton area each in Taiwan, the company has waste industry.

Next, the relevant departments will conscientiously implement the municipal government on Ecological Construction Decision deployment environment, learn from experience and practice fraternal units, work together to tackle, wood enterprises continue to consolidate and expand the results of pollution remediation, pollution prevention and determined to win the battle , to create the sky bluer, more green mountains, clear water and more beautiful environment, Mudanjiang modernization and make due contributions.

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