Dust removal system and controller thereof

A dust removal system and controller technology, applied in chemical instruments and methods, dispersed particle separation, dispersed particle filtration, etc., can solve the problems of difficult promotion, high cost of software and hardware, and huge system, and achieve intelligent control mode and multiple functions Chemical, dust removal efficiency is high

Inactive Publication Date: 2013-02-13
UNIV OF JINAN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although some distributed control systems are constructed by adding distributed instruments such as PLC and upper computer and pressure sensors, and optimal control is adopted

Method used

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  • Dust removal system and controller thereof
  • Dust removal system and controller thereof
  • Dust removal system and controller thereof

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Embodiment Construction

[0025] Such as figure 1 and figure 2 As shown, a dust removal system of the present invention includes an air inlet pipe 1, a bag filter 2, an air outlet pipe 3, an induced draft fan 4, a control system and a clean air measuring instrument 13. The two ends of the air inlet pipe 1 are connected with the air inlet of the production process room 5 and the bag filter 2 respectively, one end of the air outlet pipe 1 is connected with the air outlet of the bag filter 2, and the induced draft fan 4 is arranged on the air outlet. In the pipeline of the pipeline; the control system includes a controller 6 and a temperature sensor 7 connected to the controller respectively, a first differential pressure sensor 8, a second differential pressure sensor 9 and a frequency converter 10, and the controller 6 is connected with the production The process control system 11 is electrically connected to the pulse control valve 12 of the bag filter; the temperature sensor 7 is arranged in the int...

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Abstract

The invention discloses a dust removal system and a controller of the dust removal system. The dust removal system and the controller of the dust removal system detect the temperature and pressure of dust gas in a production process room at an inlet of a bag-type dust remover, and the pressure of the gas at an outlet of the bag-type dust remover, and the pressure or the temperature of the dust gas at the inlet or a work mode of a control system in the process of production is set as a set value to control a frequency converter to achieve control of the rotation speed of a draught fan. The controller can be connected with an online or off-line air purification detector to achieve closed-loop control of the air speed. The controller controls opening and closing of an impulse dust removal valve through differential pressure at the inlet and the outlet of the dust removal gas and the time of variation of the differential pressure, and achieves high-intelligent control modes of the bag-type dust removal, such as on line, off line, chamber division and cascade connection. The dust removal system and the controller of the dust removal system have the advantages of integration of dust removal series, modularization of the internal structure, diversification of functions, intelligentization of the control modes and optimization of cost performance, thereby being suitable for various occasions.

Description

technical field [0001] The invention relates to the technical field of dust removal, in particular to a dust removal system and a controller thereof. Background technique [0002] Dusty industrial waste gas may be generated from mechanical processes such as crushing, screening, conveying, and blasting of solid substances, or from processes such as combustion, high-temperature melting, and chemical reactions. Dust collectors are widely used to control the dust and fumes that have been generated. According to the collection mechanism, dust collectors can be divided into mechanical dust collectors, electric dust collectors, filter dust collectors and washing dust collectors. The mechanical dust collector relies on mechanical force to remove dust particles from the airflow. It has a simple structure, low equipment and operating costs, but the dust removal efficiency is not high. Electrostatic precipitators use electrostatic force to separate dust particles from airflow. They a...

Claims

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Application Information

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IPC IPC(8): B01D46/02B01D46/44
Inventor 李聪张瑞芳李春梅王峰刘辉
Owner UNIV OF JINAN
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