Multi-variety coke screening nonlinear control device and method

A nonlinear control and coke screening technology, which is applied in the direction of electrical program control, sequence/logic controller program control, etc., can solve problems such as increased energy consumption, lack of real-time control methods, and large fluctuations in the quality of blast furnace coke raw materials

CN102799116AInactive Publication Date: 2012-11-28BAOSHAN IRON & STEEL CO LTD
11 Cites 3 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2012-11-28
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a multi-variety coke screening nonlinear control device, which comprises a vibrating screen control regulator, a programmable logic controller (PLC) and a fuzzy control module, wherein the vibrating screen control regulator is respectively connected with a material flow valve and a vibrating screen and used for controlling the openness of the material flow valve and the vibration frequency of the vibrating screen; the PLC is connected with the vibrating screen control regulator and used for transmitting a control signal to the vibrating screen control regulator; and the fuzzy control module comprises a data acquisition sub-module. Correspondingly, the invention also discloses a multi-variety coke screening nonlinear control method. By adoption of the technical scheme provided by the invention, according to the characteristics of different types of coke raw materials with different qualities, the information of the coke raw materials can be detected and discriminated in real time, and the corresponding control method is employed, so the screening efficiency of coke can reach 85 percent and can be stabilized to be over 85 percent.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a screening treatment device and method, in particular to a coke screening control device and method. Background technique

[0002] In modern large-scale metallurgical enterprises, it has become an indispensable and effective means to improve the quality of coke screening by screening the coke used in the blast furnace. The efficiency and stability of coke screening will directly affect the stability and stability of the blast furnace. high yield.

[0003] At present, in the field of blast furnace coke screening control technology, the commonly used manual coke screening control method is to use PLC (programmable logic controller) to set the unit time according to the stable blast furnace coke raw material quality information. The tonnage of coke in the furnace (or called the given weight of coke), manually adjust the screening regulator (PID), adjust the opening of the material flow gate and the vibration frequency of the vib...

Examples

Embodiment Construction

[0025] Such as figure 1 As shown, in this embodiment, the multi-variety coke screening non-linear control device is connected with the material flow valve and the vibrating screen 5 respectively, and the coke is sent out from the coke trough 4 . The multi-variety coke screening non-linear control device comprises: a vibrating screen control regulator (PID) 3, which is connected with the material flow valve 7 and the vibrating screen 5 respectively, and controls the opening of the material flow valve 7 and the vibration frequency of the vibrating screen 5 ; PLC1 is connected with vibrating screen control regulator 3, and sends control signal to it, in addition PLC1 is also connected with electronic scale 6, and receives the flow value of electronic scale 6 weighing coke; Fuzzy control module 2 includes data acquisition sub-module, coke quality evaluation sub-module, expert database, fuzzy reasoning sub-module and data output sub-module, wherein: the data acquisition sub-module ...