movable coal fired hot water boiler

movable coal fired hot water boiler

Strengthen the daily management and maintenance of boiler equipment during movable coal fired hot water boiler operation, the operator must follow the norms and requirements of the hot water boiler equipment, and regularly pan) furnace equipment inspection and maintenance, identify problems in time, mainly on the following aspects of inspection and maintenance: the construction of combustion equipment, if the middle grate to check for breaks, is off the grate, blowing the door to work, regular cleaning of existing combustion equipment coal ash and coal leakage, so as not to be grate jacking or blockage; check the furnace, flue ash doors, fire tube end hole, whether there is economizer leakage phenomenon, if the air leakage phenomenon, immediate repair; check valve, the pump, the valve stem is loose; squeeze water pressure gauge, safety valve if there is corrosion phenomena if repair or replaced immediately rust; regular inspection blower, fan and rotating equipment, to ensure clean these devices, during operation of the device bearing temperature should not exceed 40 ℃, the oil level in the bearing housing in two-thirds of the height of the bearing shell, if less than this height, it needs time to add Net qualified new oil; water treatment equipment regularly checked to see whether the boiler water boiler water quality standards and requirements for equipment operation, if it does not want to analyze the causes of excessive water.

November 22, Henan Vice Governor Mr. Liu Wei and his party more than 40 people, accompanied by the main leaders of Anyang City, the plant reaches the plains to visit our company guidance. Group R & D center for aspects of digital exhibition hall, laboratories and clean the boiler plant manufacturing plants and other intelligent devices to inspect. Group President Lu Haigang as a representative of a warm welcome to the guidance of the leadership team, and to explain to the whole delegation.

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.

What power plant boiler include? 1, "pressure part of the boiler" comprising: economizer, the drum, the downcomer, water wall, superheater and reheater, and soft drinks JOINT Unicom pipes, fixed and suspended boiler parts, heating surface, the furnace wall and other equipment, such as architecture. "Combustion Devices" section: the furnace, combustion equipment, air preheater, a flue and duct like. 2, the auxiliary system comprising: a fuel supply system, coal preparation systems, water systems, ventilation systems, dust removal systems ash, soot blowing system, a water treatment system, measurement and control system and a flue gas desulfurization system. Each of the auxiliary systems are equipped with the appropriate accessories and control devices. 3, the combustion apparatus by the combustion system, milling system, and Flue Gas system, etc., to complete the heating surface of the heat transfer process of fuel combustion and flue gas temperature in the furnace. 4, the water supply system and water system, evaporation system, and superheat and reheat system, system components, respectively, to complete the heating of the water, evaporation and superheating stage three tasks.

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