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Pellet mixture moisture control device and method

A technology for controlling the moisture content of a mixture, which is applied in the field of iron and steel smelting, can solve the problems of large fluctuations in the moisture content of the pellet mixture, unfavorable stable operation of the pelletizing section, and stable control of the moisture content of the pellet mixture, and achieves the effect of improving stability.

Active Publication Date: 2018-07-20
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a pellet mixture moisture control device and method, which are used to solve the problem that the pellet mixture moisture fluctuates greatly in the prior art, and it is difficult to stably control the pellet mixture moisture within the target range, which is not conducive to the stability of the pelletizing section. The technical problem of operation has achieved the technical effect of stably controlling the moisture content of the pellet mixture within the target range, meeting the requirements of the subsequent pelletizing section, and improving the stability of pellet production and quality

Method used

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  • Pellet mixture moisture control device and method
  • Pellet mixture moisture control device and method

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Embodiment 1

[0032] The embodiment of the present invention provides a pellet mixture moisture control device, please refer to figure 1 , the device includes:

[0033] Mixer 2.

[0034] Specifically, the mixer 2 is one of the important equipment for preparing pellets, the shape of the mixer 2 is a hollow cylinder structure, and the mixer 2 includes a feed end and a discharge end , its interior can hold the raw materials of the pellet mixture, that is, a variety of materials are mixed into a uniform mixture and sent into the mixer 2 through the feed end, and then through a series of processes, the pellets sent out from the discharge end are mixed The material can meet the production demand.

[0035] The first belt conveyor 1, the first belt conveyor 1 is arranged at one end of the mixer 2; the second belt conveyor 3, the second belt conveyor 3 is arranged at the other end of the mixer 2, wherein, the The second belt conveyor 3 is different from the first belt conveyor 1 .

[0036] Specifi...

Embodiment 2

[0047] The embodiment of the present invention provides a method for controlling moisture in pellet mixture, please refer to figure 2 , the method includes:

[0048] Step 110: Obtain a first moisture value, which is monitored by the moisture analyzer 4 .

[0049] Specifically, for the pellet mixture moisture control device, a set of automatic control program can be compiled to automatically control it, and the automatic control program can read the feed amount of the mixer 2 in real time, the The detected value of the infrared moisture analyzer 4, the opening value of the electric regulating valve 6 and the flow value of the electromagnetic flowmeter 7, and the opening degree of the electric regulating valve 6 can be controlled. Therefore, firstly, the moisture of the pellet mixture is read in real time by the moisture analyzer 4, which is the first moisture value. Meanwhile, the feed amount of the mixer 2, the The opening value of the electric regulating valve 6 and the fl...

Embodiment 3

[0071] In order to illustrate the present invention more clearly, the usage method of a pellet mixture moisture control device and method of the present invention will be described in detail below. details as follows:

[0072] A said water pipe 5 is installed at the feeding end of said mixer 2 for fetching water, and a set of said regulating valve 6 and said flow meter 7 are arranged on said water pipe 5 for adjusting the amount of water fetched For monitoring, a set of moisture analyzer 4 is arranged above the second belt conveyor 3 at the discharge end of the mixer 2 for real-time monitoring of the moisture content of the mixed raw materials. Based on the above device, a set of automatic control program is used to control the addition of water during the mixing process of the pellet mixture, and the difference between the first moisture value and the second moisture value of the mixture detected by the moisture analyzer 4 in real time is compared , that is, the difference b...

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Abstract

The invention discloses a pellet mixture moisture control device and method, and relates to the technical field of iron and steel smelting. The device comprises a mixing machine, a first belt machine,a second belt machine, a water fetching pipe, an adjusting valve and a flow meter. The first belt machine is arranged at one end of the mixing machine, the second belt machine is arranged at the other end of the mixing machine and different from the first belt machine, the water fetching pipe is connected with the first belt machine, the adjusting valve is arranged on the water fetching pipe, theflow meter is arranged on the water fetching pipe, and the flow meter is located above the adjusting valve. The technical problems that in the prior art, pellet mixture moisture fluctuation is large,moisture cannot be stably controlled within a target range, and stable operation of a pelletng section is not facilitated are solved, and the technical effects that moisture is stably controlled within the target range, follow-up pelleting section requirements are met, and therefore pellet mine yield and quality stability is improved are achieved.

Description

technical field [0001] The invention relates to the technical field of iron and steel smelting, in particular to a moisture control device and method for pellet mixture. Background technique [0002] In the pellet production process, the pelletizing section is an important section that affects the pellet production and quality. The moisture content of raw materials entering the pelletizing section has an important impact on the production efficiency and effect of the pelletizing section. Generally speaking, it is required that the moisture content of raw materials entering this section can be stabilized at a level slightly lower than 8.5%. During the pelletizing process, a fixed nozzle is used to spray an appropriate amount of water to complete the pelletizing process of powdery raw materials. However, in the actual production process, affected by factors such as natural moisture differences of raw materials, storage time, rainfall, etc., the moisture of raw materials put i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B1/24
CPCC22B1/2406
Inventor 黄文斌安钢李明刘文旺熊大林周检平周志伟吴小江李铮杨洋贺南宁张玉富余斌耿丹刘万里李佳
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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