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High-temperature liquid cooling method

A high-temperature liquid and cooling method technology, applied in the direction of processing discharged materials, lighting and heating equipment, furnace components, etc., can solve the problems of low waste heat utilization rate, environmental problems, etc., and achieve high waste heat utilization efficiency, high labor cost, and time saving long effect

Active Publication Date: 2020-06-12
CENT IRON & STEEL RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above analysis, the present invention aims to provide a high-temperature liquid cooling method to solve the environmental problems and low utilization rate of waste heat in the existing high-temperature liquid processing process

Method used

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Embodiment 1

[0119] Such as figure 2 As shown, in this embodiment, high-temperature liquid blast furnace slag (temperature>1350°C) is poured into the liquid container 1, and the liquid container 1 has the function of ensuring that the liquid blast furnace slag does not solidify; the high-temperature liquid blast furnace slag flows from the liquid container 1 The rapid cooler 3 is cooled, and the high-temperature liquid blast furnace slag is transformed into a high-temperature solid blast furnace slag after passing through the rapid cooler 3; the high-temperature solid blast furnace slag enters the cooling roller 4, and under the action of extrusion and rotation of the cooling roller 4, the high-temperature solid blast furnace slag moves downward , and drives the high-temperature liquid blast furnace slag in the entire liquid container 1 to flow continuously to the rapid cooler 3; after the high-temperature solid blast furnace slag comes out of the cooling roller 4, it is broken into blast ...

Embodiment 2

[0126] combine image 3 In this embodiment, the high-temperature ferrochrome water temperature>1550°C is poured into the liquid container 1, and the liquid container 1 plays the function of ensuring that the high-temperature ferrochrome water does not solidify; the high-temperature ferrochrome water flows from the liquid container 1 into the rapid cooler 3 for cooling, The high-temperature ferrochrome water is converted into high-temperature solid ferrochrome after passing through the cooler 3; the high-temperature solid ferrochrome enters the cooling roller 4, and under the action of extrusion and rotation of the cooling roller 4, the high-temperature solid ferrochromium moves downward and drives the entire liquid container 1 The high-temperature ferrochrome water in the medium continuously flows into the rapid cooler 3; the high-temperature solid ferrochrome is broken into qualified-sized ferrochrome blocks by the crusher 5 after coming out of the cooling roller 4; the crushe...

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Abstract

The invention discloses a high-temperature liquid cooling method, and relates to the field of metallurgical industry high-temperature liquid treatment and waste heat utilization. The problem that an existing high-temperature liquid cooling method is low in waste heat utilization rate is solved. The high-temperature liquid cooling method comprises the following steps that high-temperature liquid israpidly cooled into a high-temperature solid; then, the high-temperature solid enters a cooling roller and is further cooled under the action of the cooling roller; the high-temperature solid treatedthrough the cooling roller is crushed by a crusher into solid particle blocks with the target size; the crushed solid particle blocks are subjected to heat exchange, cold air inflating is conducted below the solid particle blocks, after the solid particle blocks exchange heat with cold air, the solid particle blocks are discharged after the temperature of the solid particle blocks is reduced, andcold air becomes hot air after heat exchange; hot air is subjected to heat recovery through a heat exchange system, and hot air becomes low-temperature hot air after heat exchange; and through valvecontrol, cold air obtained after mixing of a part of low-temperature hot air and air is used for heat exchange of the solid particle blocks, and the rest of low-temperature hot air is discharged. Thehigh-temperature liquid cooling method is used for cooling high-temperature liquid.

Description

technical field [0001] The invention relates to the field of high-temperature liquid treatment and waste heat utilization in the metallurgical industry, in particular to a high-temperature liquid cooling method. Background technique [0002] High-temperature liquid is a product in the middle of a high-temperature metallurgical process, such as liquid slag, liquid iron alloy, etc. [0003] In the prior art, the liquid slag is mainly cooled by water quenching or slow cooling for a long time. Among them, the water quenching method not only consumes a large amount of new water, but also causes large steam in the factory area (especially in winter), severe equipment corrosion, and low utilization of waste heat from slag. to heat the water; the slow cooling method mainly hopes to recover more heat from the slag to generate steam, but this method also needs to add water, and at the same time takes a long time to process and occupies a large area, and some slag will agglomerate aft...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B3/08C21B3/06B22D11/041F27D15/02F28D21/00
CPCB22D11/041C21B3/06C21B3/08C21B2400/052C21B2400/08F27D15/02F28D21/00Y02W30/50
Inventor 王锋严定鎏周和敏齐渊洪林万舟
Owner CENT IRON & STEEL RES INST
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