coal fired 5 mw hot water boiler

coal fired 5 mw hot water boiler

Install the latest modern boiler installation process is what: Although many places are using the water heater, gas may be, it could be solar, but the boiler installation still visible in people's lives everywhere. Boiler now than before, need to use wood or coal combustion energy generated by water heating, boiler now mostly use electricity, heating time not only fast, but also do not need people waiting at any time around it's a, and the control of water temperature and more accurate the.

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.

Since more than six months since the boiler equipment, heating and hot water supply well, our technical staff also view real-time remote monitoring and control through the use of the boiler to the scene, Baiyun Quan Lake hotel management staff related to our technical staff gave very great encouragement and affirmation. --customer feedback

Run chemical plant boiler problems that may arise is what chemical plant boiler operation possible problem is? There are two main chemical plant boiler evaporation: evaporation and rated maximum continuous evaporation. When the chemical plant boiler load is higher than the maximum continuous evaporation, it indicates the operating force or overload. The following problems may occur super-load operation: Main results are as follows: (1) due to increased fuel consumption, furnace volume heat load increases, the furnace temperature and furnace flue gas outlet temperature, resulting in the superheater and reheater the superheated steam temperature and wall temperature, and must therefore be strictly monitored and adjusted. Try not to let this time overheating. Coal furnace, furnace volume due to the increased thermal load, increasing the likelihood of slagging. (2) the flow rate of chemical evaporation apparatus system working fluid increases, the flow resistance is increased, it is not conducive to water circulation. Therefore, we should pay particular attention to the monitoring of the water cycle bad area. (3) the pressure differential between the drum and the superheater outlet flow increases as the working fluid and superheater flow resistance increases, so that the pressure of the steam drum and headers increases, the strength of these components must be considered . Space volume load (4) the steam drum, the load increases the evaporation surface, saturated with water vapor would increase, thus affecting the quality of steam. (5) chemical plant boiler safety valve Total displacement designed according to a maximum continuous evaporation. If the chemical plant boiler overload, once the sudden load shedding, the safety valve will not fully open, the steam pressure can not be reduced quickly. At this point, it is necessary to ensure the safety of the boiler by chemical vapor released into the air exhaust valve. (6) With the increase of the amount of air required for combustion and the amount of smoke produced, once sufficient air supply, the air volume is insufficient, the chemical conditions affecting the combustion boiler, increasing the likelihood of slagging; In addition, since the flue gas velocity the increase in fly ash increased the degree of wear of the heating surface. (7) during operation, the exhaust gas temperature rises, the exhaust gas heat loss; shorter residence time in the furnace the fuel, incomplete combustion heat loss of mechanical and chemical incomplete combustion to increase the heat loss, reduce the thermal efficiency of the chemical plant boilers. In summary, the excess chemical plant boiler operation have an adverse impact on the security and economic, should generally not excessive run. If the special emergency must also be strictly limited scope and excess power beyond the time required to force.

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