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High-temperature steel slag waste heat recovery device and method

A waste heat recovery device and a technology for steel slag, applied in the field of waste heat recovery, can solve the problems such as the difficulty in realizing the sensible heat technology of high-temperature steel slag recovery in a fluidized bed, and achieve the effects of improving the service life, relaxing the cooling process, and avoiding dust pollution.

Active Publication Date: 2018-06-29
烟台羽林节能科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Due to the structural characteristics of the fluidized bed, it has relatively strict requirements on the particle size of steel slag, which requires granulation or crushing of high-temperature steel slag. However, there is still a lack of high-temperature steel slag granulation or crushing that can operate stably and reliably in the market. crushing device, which makes it difficult to realize the sensible heat technology of fluidized bed recovery of high temperature steel slag

Method used

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Embodiment Construction

[0035] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0036]It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0037] exist figure 1 and figure 2 In the shown embodiment, a high-temperature steel slag sensible heat recove...

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Abstract

The invention discloses a high-temperature steel slag waste heat recovery device and method. The high-temperature steel slag waste heat recovery device comprises a radiant heat exchange chamber, a convection heat exchange chamber, a circulating fan and a plurality of cold air spray heads, wherein the radiant heat exchange chamber is internally provided with first heat exchanger sets, an inlet moving gate, an outlet moving gate, a hot air outlet and the multiple cold air spray heads; the top wall and the side wall of the radiant heat exchange chamber are provided with the first heat exchanger sets; the hot air outlet is formed in the position, close to the inlet moving gate, of the top of the radiant heat exchange chamber; the multiple cold air spray heads are arranged in the position, close to the outlet moving gate, of the top of the radiant heat exchange chamber; the convection heat exchange chamber is arranged above the radiant heat exchange chamber and communicates with the radiantheat exchange chamber through the hot air outlet, a second heat exchanger set is arranged in the convection heat exchange chamber, a heat exchange medium is injected into the second heat exchanger set, and the end, close to the outlet moving gate, of the convection heat exchange chamber is provided with a cold air outlet; and an inlet of the circulating fan is connected with the cold air outlet through a pipeline, and an outlet of the circulating fan is connected with the multiple cold air spray heads.

Description

technical field [0001] The invention belongs to the technical field of waste heat recovery, and particularly relates to a high-temperature steel slag waste heat recovery device and method, which are used for waste heat recovery of high-temperature steel slag sensible heat generated by iron and steel enterprises. Background technique [0002] Iron and steel enterprises will produce a large amount of high-temperature steel slag in the production process. Due to the lack of suitable high-temperature steel slag sensible heat recovery devices, the waste heat of high-temperature steel slag produced by most iron and steel enterprises is not fully utilized at present. It is wasted in vain. Recovering the sensible heat of these high-temperature steel slags is conducive to improving the energy utilization rate of iron and steel enterprises and reducing energy consumption per ton of steel. [0003] At present, the treatment of high-temperature steel slag mainly adopts the method of wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21B3/08F27D17/00
CPCC21B3/08F27D17/004Y02P10/25
Inventor 栾涛
Owner 烟台羽林节能科技有限公司
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