Fused magnesium molten lump waste heat utilizing method and system

A technology of electric fused magnesium and magnesium fused lumps, which is applied in steam applications, steam engine devices, machines/engines, etc., can solve problems such as unstable heat sources, and achieve the effects of improving waste heat recovery efficiency, reducing large fluctuations, and improving fluidity

Pending Publication Date: 2019-05-03
ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the main problem of the above-mentioned method is that the output heat source is unstable; on the other hand, there is no report on the use of fused magnesium fused waste heat to generate electricity and realize industrial applications.

Method used

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  • Fused magnesium molten lump waste heat utilizing method and system
  • Fused magnesium molten lump waste heat utilizing method and system
  • Fused magnesium molten lump waste heat utilizing method and system

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Embodiment Construction

[0027] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0028] Such as figure 1 As shown, the method for utilizing the waste heat of the fused magnesium fused lump described herein comprises the following steps:

[0029] 1) The molten electric fused magnesium frit 20 is sequentially sent to the molten magnesium frit waste heat recovery chamber 1, the broken shell magnesium frit waste heat recovery chamber 2, and the self-deoxidizing magnesium frit waste heat recovery chamber 3 to respectively recover waste heat, recover waste heat and cool The final fused magnesium fused lump is sent to the next process;

[0030] 2) The condensed water of steam turbine 7 below 40°C is sent to the waste heat recovery chamber 2 of the shell-cracked magnesium fused mass, and is heated to above 80°C after exchanging heat with the electric fused magnesium fused mass 21 in shelling, and then sent to the self-deoxidizing mag...

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PUM

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Abstract

The invention relates to fused magnesium molten lump waste heat utilizing method and system. Molten fused magnesium molten lumps are sequentially sent into a magnesium molten lump waste heat recyclingchamber, a cracked magnesium molten lump waste heat recycling chamber and an automatic-deoxidizing magnesium molten lump waste heat recycling chamber so that waste heat can be recycled respectively.Turbine condensed water exchanges heat with the cracking fused magnesium molten lumps and then is sent to the automatic-deoxidizing magnesium molten lump waste heat recycling chamber to exchange heatwith the cracked fused magnesium molten lumps so that saturated water can be generated. The saturated water exchanges heat with the fused magnesium molten lumps which are just molten and then enters aflash tank so that saturated vapor can be generated and enter a turbine to be used for power generation. According to the method and the system, the fused magnesium molten lumps sequentially enter the three waste heat recycling devices so that waste heat can be recycled in stages, the finally generated saturated vapor is used for driving the turbine to generate power, the output of a system heatsource is table, the heat conversion rate is high, and the waste heat recycling efficiency is high.

Description

technical field [0001] The invention relates to the technical field of recovery of waste heat from fused magnesium fused lumps, in particular to a method and system for utilizing waste heat from fused magnesium fused lumps. Background technique [0002] In the production process of fused magnesia, magnesium fused lumps will be formed after magnesite smelting. The production process requires that the magnesium fused lump can only be cooled naturally, not forced cooling, so as not to affect the crystallization effect of magnesia. [0003] At present, the domestic devices for waste heat recovery of fused magnesium fused lumps generally adopt tunnel-type waste heat recovery boilers. The red-hot magnesium fused lumps advance longitudinally in the tunnel, and the outer wall of the tunnel is the heat-absorbing tube bundle. As time goes by, the magnesium fused The lump is gradually cooled, and the emitted heat is recovered by the waste heat recovery device. Magnesium fused lumps a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K27/00F01K13/00F01K9/00F01K21/00F01D15/10F01K17/02
Inventor 白城杨肇博徐钟川杨德凯王琳琳
Owner ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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