Low-load multi-unit thermal power generation smoke pollutant combined removal device
A low-load, pollutant technology, applied in the direction of combined devices, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of reducing treatment costs, loss of power equipment in the flue gas treatment system, etc., and achieve the effect of reducing treatment costs
Inactive Publication Date: 2018-03-30
国粤(深圳)科技投资有限公司
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Problems solved by technology
[0004] In order to solve the above problems, the present invention provides a low-load multi-unit thermal power generation flue gas pollutants combined removal device and its technology, which solves the problem of power equipment loss caused by the long-term operation of the flue gas treatment system in a low-load state, and significantly reduces the processing time. cost
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Embodiment Construction
[0014] The present invention will be further described below by specific examples.
[0015] see figure 1 As shown, the present invention relates to a combined removal device for flue gas pollutants from thermal power generation of multiple units with low load, including two thermal power units, two air preheaters 1 and two electric bag composite dust collectors 2, and the thermal power generation of the two thermal power units produces The flue gas is pretreated through the corresponding air preheater 1, which also includes a flue header 3, and the flue header 3 is arranged between two air preheaters 1 and two electric bag composite dust collectors 2, The exhaust end of the air preheater 1 and the intake end of the electric bag composite dust collector 2 are connected to the flue header 3 through pipes, and the first baffle door 21 is installed at the inlet pipes of the two electric bag composite dust collectors 2 , The flue header 3 is provided with two second baffle doors 3...
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The invention discloses a low-load multi-unit thermal power generation smoke pollutant combined removal device. The device includes two air preheaters and two electric-bag composite dust collectors, and smoke generated by thermal power generation is pretreated by the air preheaters and then enter the two electric-bag composite dust collectors; and the device also includes a smoke channel combiningbox, the smoke channel combining box is arranged between the air preheaters and the electric-bag composite dust collectors, and the air discharging ends of the air preheaters and the air inlet ends of the electric-bag composite dust collectors are connected with the smoke channel combining box through pipelines, the pipeline of the air inlet end of each electric-bag composite dust collector is provided with a first baffle door, two second baffle doors are located between the two electric-bag composite dust collectors and in the smoke channel combining box, and the exterior of each second baffle door is connected with a seal air system. According to the device provided by the invention, the opening and closing of first baffles and second baffles are controlled according to the work load ofthe electric-bag composite dust collectors, so that the amount of the smoke can be flexibly adjusted; and only a set of smoke treatment system is opened under the low-load working condition, so thatthe problem of loss of power equipment caused by long-term operation of the electric-bag composite dust collectors in a low-load state is solved, and the treatment costs are effectively reduced.
Description
technical field [0001] The invention relates to the field of thermal power generation flue gas treatment equipment, in particular to a low-load multi-unit thermal power generation flue gas pollutant joint removal device and its technology. Background technique [0002] With the rapid development of electric power construction and the balance between supply and demand, the utilization hours of thermal power units have been decreasing year by year, and the units have been operating in the low-load "non-economic load zone" for a long time. In the low-load operation state, if the auxiliary machine does not change the speed, and the required flow and pressure are obtained by adjusting the opening of the valve or damper to change the cross-sectional area of the flow, the actual operating power will change due to the substantial reduction in the efficiency of the pump and fan. Therefore, under low load, the power consumption rate of general auxiliary machines increases. However,...
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IPC IPC(8): B01D50/00
CPCB01D50/00
Inventor 黄光茂庄小慧郑娜娜黄邦耀
Owner 国粤(深圳)科技投资有限公司