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Heat energy recovery system of slag of magnesium reducing furnace

A heat recovery and reduction furnace technology, applied in furnaces, waste heat treatment, furnace components, etc., can solve the problems of discontinuous heat supply, intermittent supply of slag supply, waste of heat energy, etc., and achieve the effect of continuous supply

Inactive Publication Date: 2011-05-04
宁夏华亿镁业股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no mature technology to effectively recover the sensible heat of its slag, resulting in a lot of waste of heat energy
Moreover, there are the following main problems in the recovery of heat energy from slag. Due to the restriction of the reduction process, the supply of slag is intermittent, resulting in discontinuous heat supply.

Method used

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  • Heat energy recovery system of slag of magnesium reducing furnace
  • Heat energy recovery system of slag of magnesium reducing furnace

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Embodiment Construction

[0009] The present invention will be described in further detail below in conjunction with accompanying drawing:

[0010] Such as figure 1 As shown, the system mainly consists of 2 parts of steam heat accumulator and 1 part of waste heat boiler 1, 2 parts of steam heat accumulator

[0011] 1. Working principle

[0012] The working principle of the steam accumulator 2 is to store water in a pressure vessel, pass steam into the water to heat the water, that is, transfer heat energy and water, increase the temperature and pressure of the water in the vessel, and form saturated water with a certain pressure; Then under the condition that the pressure of the container drops, the saturated water becomes superheated water, which immediately boils and self-evaporates to produce steam. Use water as a carrier to store steam indirectly. The water in the container is not only the heat transfer medium for heat exchange between steam and water, but also the heat carrier for storing heat ...

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Abstract

The invention relates to a heat energy recovery system of slag of a magnesium reducing furnace, comprising a waste heat boiler (1) which is matched with deslagging equipment so as to utilize the waste heat of the slag to prepare heat steam. The heat energy recovery system is characterized by further comprising a steam heat storage device (2) which is internally provided with at least one steam nozzle (3); all the steam nozzles (3) extend out of the steam heat storage device (2) by a gas inlet pipeline and are respectively communicated with a steam outlet of the waste heat boiler (1); the deslagging equipment comprises a storage bin (4) and a discharging channel (5) communicated with the storage bin (4); and the discharging channel (5) is internally provided with a spiral discharging machine. The heat energy recovery system can be used for recycling the waste heat of the slag of the magnesium reducing furnace, and continuous supply of heat steam can be still realized under the condition that the slag is discharged at interval.

Description

technical field [0001] The invention relates to a heat energy recovery system for magnesium reduction furnace slag. Background technique [0002] The metal magnesium reduction process produces a lot of slag, and the temperature of the slag coming out of the furnace is above 1000°C, and the sensible heat is considerable. At present, all the disposal methods are placed in a centralized place and cooled naturally. There is no mature technology to effectively recover the sensible heat of its slag, resulting in a large amount of waste of heat energy. Moreover, there are the following main problems in the recovery of heat energy from slag. Due to the restriction of the reduction process, the supply of slag is intermittent, resulting in discontinuous heat supply. Contents of the invention [0003] The purpose of the present invention is to provide a magnesium reduction slag heat energy recovery system capable of realizing continuous hot steam supply. [0004] In order to achie...

Claims

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Application Information

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IPC IPC(8): F27D17/00C22B26/22
CPCY02P10/25
Inventor 董家驭李文胜王秀荣拓万兰王婧
Owner 宁夏华亿镁业股份有限公司
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