conventional coal fired water tube boiler

Main steam conventional coal fired water tube 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.

Procurement pressure hot water conventional coal fired water tube boiler should be noted that cold day which, as long as the use of pressure hot water boiler can feel as warm spring, enjoy the convenience of hot water. Extra large hot water boiler quality of life greatly improved. Pressure hot water boiler easy to use, but at the time of purchase the user must also confused how to buy, so the need to pay attention to what needs to select pressure hot water boiler For detailed understanding of. 1, when determining the use of boiler pressure hot water boiler purchase, you should consider using a different environmental requirements. If the client needs heating, you should choose a dedicated pressure hot water boiler is heated by circulating hot water in the hot water pump recycling. Back to the radiator, i.e. a heat sink, to deliver heat to every corner; hot water only, select a particular hot water, hot water circulating through the pump, hot water tank of hot water circulating in the hot water supply; number of users need to have two choices, so they have to choose to increase the heat exchanger in the piping system, so using two atmospheric pressure hot water boiler. 2, the heating area is determined, the amount of water by the calculation cycle, the required amount of hot water, boiler design used to determine the heating area or field. Accurate and scientific calculation and design can meet the requirements, without wasting resources. 3, to determine the fuel, boiler pressure hot water boiler style, coal or natural gas hot water boiler in three common, the boiler is electricity, gas hot water boiler coal or natural gas as an energy source. When selected, you can choose your own needs or favorable conditions. As long as meet the requirements of the boiler room, the style of choice should be simple and suitable for horizontal or vertical.

Winter is the peak heating heating, but also prone to accidents of special equipment such as conventional coal fired water tube boilers. To effectively prevent and curb the occurrence of accidents, equipment thorough investigation to eliminate safety hazards, Hunan Province to carry out safety hazards investigation work in the province within the boiler, boiler equipment and punishes the security measures are not in place.

Yueyang City bearing the brunt of the provincial government in response to the call for in food, pharmaceutical processing industry, boiler equipment, pressure vessels, pipelines, etc. investigation and remediation, further investigation and security risks, strengthen supervision, which ensures safe operation of special equipment.

Zhuzhou City, the relevant departments to implement the special equipment safety responsibility, collective interviews conducted meetings, some special equipment overdue inspection or rectification in place of business risks not to be interviewed. In order to urge them to get inspection reports in order to restore operation, to ensure the safe use of special equipment. But also warned of these enterprises, if not through legal regular inspections, not only safety and production are not effectively protected, will be severely punished.

Horizontal steam conventional coal fired water tube boiler with a boiler boiler you know take you through a horizontal steam boiler Generally speaking, we use boilers have very many models, according to their different fuels of different works, there are different, the boiler itself institutions, divided into many, the Take the steam boiler, there are still sub-ordinary boilers and steam boilers of it, for this horizontal steam boiler, his characteristics is not the same. Boiler fire resistant concrete arch from ramming. After the arch low and long, and therefore good combustion, flue wings and side wall refractory material sintered brick. Boiler front wall, back wall using a common bricks. Grate air distribution reasonable, the combustion chamber is large, strong coal applicability. Adapt to all types of bituminous coal or anthracite, mixed coal. Full combustion. Since the high temperature flue gas enters the first settling chamber, and then into the wings on both sides of the stack, before the smoke box, smoke and dust so good effect. Water circulation simple, reasonable structure and components under pressure, in the case to ensure water quality, completely safe operation. Combustion equipment for the quick grate, combustion apparatus installed in the manufacturing plant, transported to the site can be directly mounted on a foundation. With a reasonable structure, compact, low consumption of steel, the boiler performance, weight, frame size and capacity of the domestic product has obvious advantages compared. It is a horizontal type boiler quick fire tube boiler, refrigerant natural circulation. The boiler drum from the heat exchange system, the left and right header, composed of the water wall, the main furnace wall with a heating surface, convection tube inner drum portion and the drum.

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