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High-temperature coal slag classification screening and waste heat recovery device

A waste heat recovery device and grading and screening technology, which is applied in the direction of filter screen, solid separation, water heater, etc., can solve the problems of occupying land resources, waste of resources, increase of production cost, etc., and achieve the effect of simple structure of the device

Pending Publication Date: 2018-02-09
GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the progress of society and the acceleration of enterprise production, more and more waste residues are produced. As a kind of waste produced by industrial combustion equipment, the current treatment methods for coal residues are mainly natural cooling or landfill, which will not only cause Resources are wasted, and it will cause secondary pollution, seriously occupying land resources and polluting the ecological environment, and there is a lack of treatment equipment for coal slag in the market, which makes the production cost of enterprises increase day by day, which is not conducive to the development of circular economy

Method used

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  • High-temperature coal slag classification screening and waste heat recovery device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] see figure 1 , figure 1 It is a front view of the high-temperature coal slag classification and screening and waste heat recovery device. Embodiment 1 includes: a coal slag classification and screening mechanism and a coal slag waste heat recovery mechanism; Feed bin 1, filter screen ramp 2, fine cinder recovery ramp, coarse cinder recovery ramp 6, fine cinder collection chamber 7 and coarse cinder collection chamber 13; feed bin 1 is arranged on the top of coal cinder classification and screening shell 14; The net ramp 2 is connected with the connection port of the fine coal slag recovery ramp, and the fine coal slag collection chamber 7 is connected with the recovery port of the fine coal slag recovery ramp, so that the fine coal slag passes through the filter screen of the filter screen ramp 2 under the action of gravity and falls to After the fine coal cinder recovery ramp, it rolls into the fine coal cinder collection chamber 7; the recovery port of the coarse coa...

Embodiment 2

[0036] see figure 1 , figure 1 It is a front view of the high-temperature coal slag classification and screening and waste heat recovery device. Embodiment 2 includes: a coal slag classification and screening mechanism and a coal slag waste heat recovery mechanism; Feed bin 1, filter screen ramp 2, fine cinder recovery ramp, coarse cinder recovery ramp 6, fine cinder collection chamber 7 and coarse cinder collection chamber 13; feed bin 1 is arranged on the top of coal cinder classification screening shell 14; The net ramp 2 is connected with the connection port of the fine coal slag recovery ramp, and the fine coal slag collection chamber 7 is connected with the recovery port of the fine coal slag recovery ramp, so that the fine coal slag passes through the filter screen of the filter screen ramp 2 under the action of gravity and falls to After the fine coal cinder recovery ramp, it rolls down into the fine coal cinder collection chamber 7; the recovery port of the coarse co...

Embodiment 3

[0043] see figure 1 , figure 1 It is a front view of the high-temperature coal slag classification and screening and waste heat recovery device. Embodiment 3 includes: a coal slag classification and screening mechanism and a coal slag waste heat recovery mechanism; Stock bin 1, filter screen ramp 2 include filter screen first sub-ramp 2-1, filter screen second sub-ramp 2-2 and filter screen third sub-ramp 2-3, fine coal fine cinder recovery ramp Including the first sub-ramp 5-1 of fine cinder recovery, the second sub-ramp 5-2 of fine cinder recovery and the third sub-ramp 5-3 of fine cinder recovery, the coarse cinder recovery ramp 6 includes the first sub-ramp of coarse cinder recovery The ramp 6-1 and the second sub-ramp 6-2 for coarse cinder recovery, the fine cinder collection chamber 7 and the coarse cinder collection chamber 13;

[0044] The feed bin 1 is arranged on the top of the coal slag grading and screening shell 14; the first sub-ramp 2-1 of the filter screen is...

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Abstract

The invention belongs to the technical field of waste slag treatment, and provides a high-temperature coal slag classification screening and waste heat recovery device. The device comprises a coal slag classification screening mechanism and a coal slag waste heat recovery mechanism. The coal slag waste heat recovery mechanism wraps the periphery of a coal slag classification screening shell. The coal slag classification screening mechanism automatically carries out classification screening on coal slag through the gravity settling action. Small-particle fine coal slag is screened to slide downto a fine coal slag collection chamber from a fine coal slag recovery ramp, and large-particle coarse coal slag rolls to a coarse coal slag collection chamber from a filter screen ramp and a coarse coal slag recovery ramp. The coal slag classification screening mechanism can screen the coal slag into the coarse coal slag and the fine coal slag; and meanwhile, after the coal slag enters the devicefrom a feeding bin, heat of high-temperature furnace slag is transmitted to a heat exchange pipeline in a radiant heat exchange manner, and the waste heat utilization efficiency can be improved. Thedevice can effectively overcome the technical defect of lacking a device capable of achieving efficient and environment-friendly recovery treatment of the coal slag at present.

Description

technical field [0001] The invention belongs to the technical field of waste slag treatment, in particular to a high-temperature coal slag classification screening and waste heat recovery device. Background technique [0002] With the progress of society and the acceleration of enterprise production, more and more waste residues are produced. As a kind of waste produced by industrial combustion equipment, the current treatment methods for coal residues are mainly natural cooling or landfill, which will not only cause Waste of resources, and will cause secondary pollution, seriously occupying land resources and polluting the ecological environment, and the lack of treatment equipment for coal slag in the market makes the production cost of enterprises increase day by day, which is not conducive to the development of circular economy. [0003] To sum up, there is currently a lack of an efficient and environmentally friendly device for treating coal cinders. Therefore, it is a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B1/28B07B1/46F28D7/06F24H1/00
CPCF24H1/00F28D7/06B07B1/28B07B1/4609B07B2201/04
Inventor 宋景慧原辉邓剑华
Owner GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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