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High temperature slag waste heat recovery system and method

A waste heat recovery system and waste heat recovery technology, applied in the direction of recycling technology, etc., can solve the problems of not fully considering the impact of the slag treatment system on production equipment, etc., and achieve the effect of compact layout, solving environmental pollution problems, and high sensible heat efficiency

Active Publication Date: 2016-04-06
CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] Some existing patented technologies on sensible heat recovery of high-temperature slag only focus on the waste heat recovery of slag, and do not fully consider the impact of slag processing system on production equipment

Method used

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  • High temperature slag waste heat recovery system and method
  • High temperature slag waste heat recovery system and method
  • High temperature slag waste heat recovery system and method

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Embodiment Construction

[0027] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] As shown in the figure, the high-temperature slag waste heat recovery system in this embodiment includes a slag conveying unit, a slag granulation unit for granulating slag, and a slag granulation unit for granulating the slag particles formed after granulation. A waste heat recovery unit for waste heat recovery; the slag conveying unit is mainly composed of a slag tank 1 and a crane 2 for conveying the slag tank 1; the slag granulation unit is mainly composed of a rotor 3 for granulating slag, a rotor 3 The rotating device 4 providing the rotating power, the granulation cooling device 5 used for cooling the rotor cup 3 and the rotating device 4, and the slag collection cooling device 6 used for cooling the splashed slag of the rotor cup and the granulation cooling device 5 , the granulation cooling device 5 is arranged on the periph...

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Abstract

The invention discloses a high-temperature slag waste heat recovery system and method. The system comprises a slag conveying unit, a slag pelletizing unit and a waste heat recovery unit, wherein the slag conveying unit mainly consists of a slag tank and a crane; the slag pelletizing unit mainly consists of a rotary cup, a rotary device, a pelletizing and cooling device and a slag collecting and cooling device; the pelletizing and cooling device is arranged at the periphery of the rotary cup and a rotary device; the slag collecting and cooling device is arranged at the periphery of the pelletizing and cooling device; the waste heat recovery unit is a waste heat boiler, heat exchange tubes at a slag particle inlet end in the waste heat boiler are arranged in a crossing downstream manner, and heat exchange tubes at a slag particle outlet end are arranged in a crossing countercurrent manner. The system is compact in layout, simple in waste heat recovery process and high in recovery efficiency, and seamless connection of a high-temperature slag treatment system and a production system is achieved; the efficiency for recovering sensible heat of high-temperature slag is high, and the environmental pollution problem is effectively solved; moreover, no influence is generated on slag subsequent use value; the system and method are suitable for industrial production operation.

Description

technical field [0001] The invention belongs to the field of waste heat recovery and utilization, and in particular relates to a high-temperature slag waste heat recovery system and method. Background technique [0002] "Increasing income and reducing expenditure" is a wise saying to solve energy and resource problems in the 21st century, and "energy-saving technology" is even known as the "fifth energy source". my country's industrial field is rich in waste heat and energy resources. With the continuous development of energy-saving technology, more and more waste heat resources have been applied. However, the sensible heat of high-temperature slag containing high-temperature waste heat has not been effectively utilized. At present, the effective treatment method of high-temperature slag is mainly water quenching method. Part of the high-temperature slag treated in this way can be used as raw material for cement production, and some can only be piled up in the slag yard. F...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21B3/06
CPCC21B3/08Y02W30/50
Inventor 李朋陈君程淑明陈婉张道明陈德银吴斌
Owner CHONGQING CISDI THERMAL & ENVIRONMENTAL ENG CO LTD
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