Machine speed control system of chain grate

A technology of control system and chain grate, which is applied in the direction of furnace type, furnace, lighting and heating equipment, etc., can solve the problems of red material discharge from ring cooler, burnt grate bed equipment, waste of energy, etc., to prevent waste of energy, The thickness is reasonable and the effect of ensuring the quality of the dry ball

Active Publication Date: 2014-07-23
SHOUGANG CORPORATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of the same amount of material, if the machine speed is fast, the ball material on the grate bed will become thinner, and it is easy to burn the grate bed equipment and waste energy due to wind short circui

Method used

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  • Machine speed control system of chain grate
  • Machine speed control system of chain grate
  • Machine speed control system of chain grate

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Embodiment Construction

[0011] see figure 1 , The embodiment of the present invention provides a speed control system for a grate machine, comprising: a measuring device for the amount of green pellets, a measuring device for the thickness of green pellets, a frequency converter and a control device. The green pellet volume measuring device, the frequency converter and the green pellet thickness measuring device are respectively connected to the control device; the green pellet thickness measuring device measures at least three green pellet thickness measurement values ​​instantaneously, that is, the green pellet thickness measuring device simultaneously Measure the thickness value of the green ball material layer at least three different positions on the grate material layer, and the thickness value is the measured value of the green ball material thickness. The frequency converter is connected with the chain grate through the drive motor.

[0012] see figure 1 , in this embodiment, the control de...

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Abstract

The invention relates to the technical field of automatic control, in particular to a machine speed control system of a chain grate. The machine speed control system of the chain grate comprises a green ball material amount measuring device, a green ball material thickness measuring device, a frequency converter and a control device, wherein the green ball material amount measuring device, the frequency converter and the green ball material thickness measuring device are respectively connected with the control device, the green ball material thickness measuring device measures at least three green ball material thickness measuring values instantaneously, and the frequency converter is connected with the chain grate through a driving motor. The machine speed control system of the chain grate can achieve control over the machine speed of the chain grate, enables the thickness of a material layer on the chain grate to be reasonable, prevents the phenomena of burning loss of grate bed equipment and resource waste of a wind short circuit, guarantees the quality of ball drying, and prevents the problems of ring forming, ball breaking and caking inside a kiln, red material generation of an annular cooler and the like.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to a chain grate machine speed control system. Background technique [0002] In the pellet production process, the control of the grate machine is the initial stage of the pellet roasting process, and it is also one of the key links in pellet production. The chain grate machine is a chain-type drying and roasting equipment composed of grate plates, chain links, side grate plates, small shafts, small shaft sleeves, upper and lower support shafts and transmission mechanisms. Wet balls) are dried and roasted into dry balls (anhydrous dry balls), and the dry balls are continuously conveyed to the rotary kiln, and the raw balls are dried and roasted during the movement, which has two functions of drying and conveying. The speed of the grate machine directly affects the thickness of the material layer on the grate bed, and the thickness of the material layer has a great influen...

Claims

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Application Information

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IPC IPC(8): F27B21/14
Inventor 杨金保付民朱辛州刘福来赵伟刘金英丁竹松齐典旭
Owner SHOUGANG CORPORATION
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