ABB TP852 3BSC950263R1 new off-the-shelf PLC control system CPU processor module
Brand ABB color standard application Industrial height 326mm rated current 208mA
Protection Level IP45 Suitable for motor power 156KW Application Site Power Industry Material Code GJR2391500R1220 Power industry HIEE401782R0001 Part number TP852 3BSC950263R1
Applicable pipe 2 Whether imported is weighing 1.68 kg can be sold nationwide
ABB TP852 3BSC950263R1 new off-the-shelf PLC control system CPU processor module
TB852 3BSC950263R1 coal storage warehouse bulk coal, transported to the ring hammer crusher through the conveyor belt for crushing, crushing the particle size of 30mm lump coal through the vibrating screen for screening, the particle size of less than or equal to 10mm lump coal through the conveyor belt, coal weighing machine into the vertical mill. Under the suction force of the centrifugal fan, the hot air of the combustion chamber is pumped to the rotating vertical mill. At this time, the lump coal containing water and the hot air carry out a strong heat exchange to get dried and ground pulverized coal. The pulverized coal is sent to the cloth bag dust collector for separation and collection under the action of the centrifugal fan
The pulverized coal in the dust hopper of the cloth bag dust collector is collected into the pulverized coal bin by the screw conveyor, and then transported to the pulverized coal bin on the side of the Austrian furnace and the fuming furnace by the bin pump, and the other part of the pulverized coal is sent to the combustion chamber by the primary fan. FIG. 2.9 Operation picture of pulverized coal preparation system. As a new generation of combustion boiler in recent years, circulating fluidized bed (CFB) has been used more and more widely because of its technical characteristics such as wide fuel adaptability, high fuel efficiency, large load regulation range and clean combustion technology.
CFB boiler is mainly composed of combustion system, gas-solid separation circulation system and convection flue. As shown in the following figure, the combustion system includes air chamber, air distribution plate, combustion chamber, furnace, coal feeding system and other parts; The gas-solid separation circulation system includes two parts: material separation device and material return device. The convection flue includes superheater, economizer, air preheater and so on.
After the coal and desulfurizer are sent into the furnace, they are quickly surrounded by a large number of inert high temperature materials (bed materials) in the furnace and are burned. The primary air and secondary air required for combustion are fed into the bottom and side walls of the furnace respectively, and the material is fluidized and boiling combustion in the furnace. Under the action of updraft, it moves to the upper part of the furnace to release heat to the water wall and other heating surfaces arranged in the furnace.
ABB TP852 3BSC950263R1 new off-the-shelf PLC control system CPU processor module
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