0 7mw-70mw automatic coal hot water boiler

0 7mw-70mw automatic coal hot water boiler

July 26, 2016, Beijing, China Everbright Paper Co., Ltd. and the company signed a "split 6 tons of steam condensing gas steam boiler contract" by the company responsible for the WNS6-1.25-YQ split condensing gas boiler steam to all production, installation and commissioning work. The product is the use of condensing technology, effective emission of harmful substances SOx, NOx, COx, is industrial boilers efficient and environmentally friendly solutions.

Flame center condensing gas boiler of low nitrogen adjust the Q & A Q: What is the center of the flame low nitrogen gas condensing boiler? A: a low nitrogen gas fuel enters the condensing boiler furnace, on the one hand due to the combustion of fuel to generate heat so that the flame temperature rising, on the other hand endothermic condensing boiler waterwall low nitrogen gas, the flame temperature decreases. When the heat generated by the combustion of the fuel is greater than the heat absorption of the water wall, the flame temperature is increased; when the amount of heat generated by fuel combustion equals waterwall heat absorption, the highest flame temperature. A low nitrogen gas condensing boiler furnace where the highest temperature is called the center of the flame. Highly flame kernel is not fixed, but changes in operating conditions with low nitrogen gas condensing boiler is changed. For example, when the burner is divided into two rows, the upper row cast much the center of the flame on the move, and vice versa down. Q: What is the center of the flame? What impact the level of the central flame furnaces, heat exchangers? A: After the combustion of the progressive development of pulverized coal ignition, combustion heat evolved is greater than heat transfer, so that the flue gas temperature rising, thus forming a fast combustion, higher temperature region. In this area the most heat is released. This area is often referred to as the center of the flame (or burn center). Under certain excess air factor, when the shift of the center of the flame, so that the total heat reduction furnace, the furnace exit gas temperature is raised; down position if the center of the flame, increase the heat transfer in the furnace, the furnace exit gas Temperature drop. Q: Why should adjust the flame center? A: The low-nitrogen gas condensing boiler operation, if the furnace flame center deflection, will flame entire condensing boiler furnace low nitrogen gas fullness worse. One hand the furnace, rear, left, and right there is a large temperature difference between the smoke, so that uneven heating water wall, it is possible to disrupt the normal circulation. On the other hand the temperature difference caused by smoke left and right sides of the furnace outlet, that the outlet side of the high temperature furnace, etc. causes the side superheater heating surface squib, so the operation is to be noted adjust the position of the center of the flame, to be located central hearth. Q: How to adjust the flame running in the center? A: For the four corners of the burner to be arranged in the same row of symmetrical operation, no chipping, uniform output. And try to keep each combustor exit gas stream velocity and uniform load. Or the center position of the flame is changed by changing the inclination or swing down the burner secondary air ratio.

Four major advantages of condensing gas 0 7mw-70mw automatic coal hot water boiler. Condensing gas hot water boiler is the relatively large number of enterprise applications, it's at the advantage of it is reflected in where? (1) with respect to the coal boiler, condensing gas hot water boiler does not produce more soot pollution on the one hand of great significance for the protection of the environment, it can also help companies to save part of the exhaust gas treatment costs, (2) because condensing gas hot water boiler is set for example, anti-dry protection, overheating protection in the boiler boiler system and a series of safety devices and features, so the process of running the boiler will reduce the security risk to a certain extent. (3) the use of condensation techniques, can be efficiently condensed by the heat recovery device. Part of latent heat of vaporization of the high temperature flue gas discharged to absorb the boiler, the boiler to reduce heat loss, improve thermal efficiency operation. Small volume (4) condensing the hot water boiler, noise is relatively low. The larger flow, small head, the effect of multiple parallel can be achieved. These advantages condensing gas hot water boiler, use the support it occupies a place, condensation technology in the market, but also really hot water boiler to achieve energy saving effect to some extent, thus saving companies the cost of running a part of.

Vertical steam boiler introduce vertical steam boiler Products: vertical steam boiler, all kinds of domestic furnaces comprehensive technical improvements, absorb the international advanced technology and the introduction of the new generation of horizontal fuel (gas) boilers, the product has been designed applied for the patent, the boiler head boiler shell, boiler shell, U-rings, furnace, furnace head, transverse pipes, tubes cupola. Combustion boiler using conventional techniques, from the media into the door hole, in the upper combustion grate, the flue gas was washed repeatedly laterally staggered in the cross-pipe furnace, in the flue gas containing fine dust particles and carbon black during the rise , multilayered tube is blocked, reducing the speed of movement, again falls on the combustion grate, burn the fumes into the atmosphere through the chimney. Performance: the boiler furnace grate rests within an upper portion of the U-shaped scraps, the direct flame furnace, and flushing mounted within curved tube furnace; vertical bent tube boiler structural features are: furnace interior curved inner pipe, increase radiation heating area. However, due to large water-cooling degree furnace, the furnace temperature reduced accordingly, therefore, generally suitable for burning high quality coal. The increase in the furnace masonry bricks, to maintain a high temperature furnace burn less coal. Better water circulation, where the site has been washed flue gas cooling water, the whole structure, good elasticity. Features: use of double grate combustion section of the combustion chamber, heating up, fast boosting of unburnt gas through the secondary combustion, functions as combustion, smoke, dust effect. Bending the upper furnace tube arrangement convection heating region, disposed in the lower furnace grate tubes and radiation heating furnace area, structure of the furnace and the flue gas flow, reasonable layout, good heat transfer, the boiler reasonable design, simple structure operation, easy maintenance, small footprint, less investment in infrastructure, the company is one of small enterprises with steam, heating and other equipment ideal.

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