21 ton coal fired steam boiler

21 ton coal fired steam boiler

Measures to increase the gas 21 ton coal fired steam boiler economy which economy improving gas steam boiler can not only reduce operating costs, but also in line with the national energy saving policy requirements. Specifically refer to the following measures: 1, to improve equipment management level, efforts to reduce internal and external leakage thermal equipment and systems, reducing the working fluid and heat loss. 2, improve the economy auxiliary operation, to reduce the loss of auxiliary equipment, making it possible to run in the high zone. By testing to determine its associated auxiliary systems of reasonable conditions in the different operating modes of operation, efforts to reduce power consumption rate. 3, chemical strict supervision of the boiler operation, strict control of condensate water hardness, the amount of dissolved oxygen in the feedwater, boiler feed water and the PH value of water, steam quality, to prevent the boiler heating surface, condenser, heater, and corrosion of turbine flow section, fouling and salt accumulation caused by the deterioration of boiler equipment operating conditions. 5, to take measures to save water and power, such as to maintain a reasonable rate of circulating water is concentrated, and to improve the ratio of gray water recycling waste ash comprehensive utilization. 6, the main measures of force cycle efficiency is the main steam pressure, main steam temperature, reheat steam temperature is maintained at a predetermined value, back to normal investment in thermal efficiency, water temperature in the design value, efforts to reduce back pressure steam turbine and so on. 7, to improve the efficiency of the steam boiler, a steam boiler to reduce the exhaust gas temperature, air leakage rate boiler fly ash combustible content, good milling system to adjust combustion boiler test, develop various conditions of operation of the card, as the operator operating personnel in accordance with. Yaoan gauge 8, to strengthen the fuel management, strict measurement, strict control of coal into the plant, allowing coal from the design value is within the limit value, especially for volatile coal, ash, sulfur, strict supervision coking characteristics the boiler can run under good conditions. 9, strengthen metrology run, the boiler operation indicators to quantitative analysis, provide a reliable basis for the economic operation of the steam boiler. Zheng gas steam boiler pot consists of three parts: main boiler, chimney and piping system, wherein the host section has been completed and the chimney is manufactured in the factory, the host supporting the pipes and valves, the meter has been properly installed randomly transported to the host site and can be assembled chimney. Field gas supply is turned on, power supply, water line to test. Greatly reducing the installation cycle, and can ensure product quality.

How to improve the energy efficiency of industrial boilers, industrial boilers how to improve energy efficiency 1, focusing on the transformation of practicality (1) above to recover waste heat can be effectively used. For example: high temperature organic heat boiler flue gas, but the process does not require the production of steam and hot water, attention should be considered heated by flue gas waste heat recovery techniques combustion air. (2) improved gas boiler should focus on energy-saving technologies improve the automation level of combustion control, precise control of the combustion state. (3) Consider first the application of energy-saving technologies and sophisticated equipment. 2, considering the technical nature to further improve the thermal efficiency of industrial boilers, it is necessary to consider new energy-saving technologies and equipment. Advanced (1) energy conservation technology and equipment, difficult to implement. Such as: waste heat recovery heat exchanger and the new technology: heat pipe technology, the condensed waste heat recovery technology; new water treatment device: microbial fouling and electromagnetic processing techniques (e.g., hydraulics); combustion automatic control technology. (2) spraying pulverized coal combustion technology (stratified combustion mode and suspension-fired boilers) design, construction and operation of high demand management, oxyfuel technology, such as high temperature air combustion technologies require large investments. 3, forming a complete transformation handle (1) must be considered boiler energy saving, heat insulation of synchronization is complete, sealing, and improved methods of burning fuel adjustment, and the fuel air distribution system of the inverter, reduced nicotinamide tube improved resistance to treatment. (2) pay attention to clean the boiler heating surface, and providing technical improvements boiler water, slag, ash, etc., to ensure that the boiler has good heat transfer properties. (3) the necessary training for technical operations and daily management of energy-saving equipment.

Our preliminary investigation when the other side is very interested in fast boiler, a number of fast-party research and development as well as outstanding patent cases in all industry sectors, we have confidence in each other quickly this brand. After the cooperation, but also the strength and each staff fully aware of the fast boiler of a good attitude, and cooperation in the box, very at ease. --customer feedback

Main 21 ton coal fired steam boiler temperature abnormal phenomenon of how to do 1, main steam temperature anomalies alarm. 2, the rapid variation of the main steam temperature, a secondary damper frequently significantly reducing water operation. 3, starting superheat outlet steam separator above or below normal. 4, if the steam with water, the unit will water shock occurs. 1 reason, the fuel and water supply imbalance, the separator outlet temperature abnormality. 2, coal combustion conditions change or affect, such as excessive load lift; and pulverizing mill administration system abnormality stop; means automatically increase or decrease the failure rate is too large amount of wind and the like. 3, the central flame furnace changes, such as the bottom seal damage, W and inadequate flame downstroke. 4, the control failure by warm water, warm water flow rate reduction is abnormally reduced or increased. 5, feedwater temperature mutation. 6, does not match the wind coal. 7, the secondary combustion heating surface. 8, furnace coking or fouling seriously. 9, heating surface leakage squib. 10, flue gas damper opening degree is not normal. 11, coal sudden change occurred. 12, the uniformity of the powder feeding substantial change occurs. 1 process, failure caused by unit coordinated coal - water ratio should be immediately released coordinate offset, in accordance with the current load demand, with reference to the start of the steam superheat separator, and adjusting the amount of fuel corresponding to the amount of water, with one, two main desuperheating water rapidly steam temperature control in a normal range; when the coal - water ratio should avoid imbalance after coal and water while adjusting; when coal - water ratio is adjusted to further adjust the load after a relatively stable; contact maintenance processing timely. 2, when the water supply system fault condition occurs a significant disturbance furnace should pay attention and automatically coordinated working conditions, so as not to manual intervention, when not working properly coordinated and automated, should be manually adjusted, stable water flow, referring to separation according to the water flow steam superheat, the adjusted amount of fuel, with a secondary spray water rapidly controlling the main steam temperature within the normal range; contact maintenance processing timely. 3, due to rapid changes in load caused by the load change rate should be adjusted; load change caused due to protective operation or the like caused by heat load to be quickly adjusted to maintain the boiler pressure of the main steam stability. 4, by warm water automatic dysregulation, should be appropriate Save warm tone is switched to the manual may be an intermediate point of the feedwater control system be corrected for temperature if necessary, or the feedwater to switch control to manual control, due to lower lifting and lowering the load speed to prevent steam temperature, promptly contact a service process. 5, the boiler furnace cause severe fouling and coking of the main steam temperature anomalies can be corrected by an appropriate degree of superheat outlet steam separator start, adjust, and in a timely manner and the furnace heating surface sootblowing. When the platen superheater sootblowing or superheater outlet temperature is still above normal and a secondary reducing water damper fully open, to check the furnace and the combustion air distribution system is normal, the checking process to reduce still overtemperature unit load. 6, flue gas damper adjusted to an appropriate opening degree. 7, if the bottom seal after losing back to normal immediately. 8, to strengthen the turbine expansion, differential expansion, axial displacement of the shaft vibration and bearing temperature monitoring, if abnormal, the process according to the corresponding regulations. 9, after the above measures, if invalid, should immediately drop the load process. 10, in front of the main steam temperature main steam 50 ℃ drastically reduced within 10 minutes, should an emergency stop.

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