CN103866057A - Recovery device of high use value metallurgy waste residues - Google Patents
Recovery device of high use value metallurgy waste residues Download PDFInfo
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- CN103866057A CN103866057A CN201410125029.2A CN201410125029A CN103866057A CN 103866057 A CN103866057 A CN 103866057A CN 201410125029 A CN201410125029 A CN 201410125029A CN 103866057 A CN103866057 A CN 103866057A
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- slag
- metallurgical slag
- elutriating apparatus
- utility value
- retrieving arrangement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The invention discloses a recovery device of high use value metallurgy waste residues. The device is characterized by comprising a metallurgy waste residue switching funnel, an elutriating apparatus, a particle collecting device, a particle indirect cooling device, a conveying device and a circulating cooling water system, wherein the elutriating apparatus is arranged below the metallurgy waste residue switching funnel, and the tail end of the metallurgy waste residue switching funnel extends from the top of the elutriating apparatus; the slag collecting device is around the elutriating apparatus, the outlet at the bottom of the slag collecting device is connected with the inlet in the top of the particle indirect cooling device, and the outlet at the bottom of the particle indirect cooling device is connected with the conveying device; the particle collecting device, the particle indirect cooling device and the conveying device are connected with the circulating cooling water system. The high-temperature metallurgy waste residues recovered by the device disclosed by the invention are high in quality, and the residues do not pollute the environment in the recovery process. In the recovery process, waste heat of high-temperature metallurgy waste residues is converted to the circulating cooling water, so that the high-temperature metallurgy waste residue heat utilization ratio is improved.
Description
Technical field
The present invention relates to a kind of utilization of the recycling of renewable resources device, be specifically related to a kind of retrieving arrangement of high utility value metallurgical slag.
Background technology
A kind of waste residue of discharging from stove when metallurgical slag is Metal smelting is the byproduct of smelting procedure, mainly contains blast furnace slag, nickel slag, ferroalloy slag etc.In most of metallurgical slag, contain Dicalcium Phosphate (Feed Grade) (C2s), tricalcium silicate (C3S)., containing generating the vitreum with lateral reactivity after the acid slag chilling of C3s, these compositions all do not have hydraulic gelling.But compared with Portland clinker, activity is still lower.The grain diameter that metallurgical slag is pointed out in research is at 0～30 μ m, and when particle form is rounded, its activity is just given full play of, for condition has been created in the utilization of high value.
At present, in industry, the processing of metallurgical slag is mainly adopted to water quenching, utilize the metallurgical slag of the direct cooling molten state of water, by spraying into a large amount of water, metallurgical slag is cooled to rapidly to low temperature (lower than 100 DEG C); The processing mode of water quenching has greatly reduced the energy quality of metallurgical slag, in addition, the a large amount of water of shrend process need consumption of metallurgical slag, punching 1t grain slag needs consumption of new water 0.8～1.2t, cycling use of water amount is about 10t left and right, and in shrend process, the sulphur in slag runs into water can form a large amount of acid mists, the heavy metals such as the Nie, Chrome containing in some slag easily enter in water, and water, atmosphere, soil is around polluted.Therefore for the problems referred to above, need to provide a kind of metallurgical slag quality that improves, reduce the retrieving arrangement polluting.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of retrieving arrangement of high utility value metallurgical slag, can effectively economize on resources, and reduces environmental pollution.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of retrieving arrangement that improves metallurgical slag utility value, its innovative point is: a kind of retrieving arrangement that improves metallurgical slag utility value, it is characterized in that: comprise metallurgical slag switching funnel, elutriating apparatus, slag particle collection device, device for cooling, e Foerderanlage and recirculating cooling water system between slag particle; Described elutriating apparatus is arranged at the below of metallurgical switching funnel, and the end of metallurgical slag switching funnel stretches into deeply from the top of elutriating apparatus; Slag particle collection device is centered around elutriating apparatus surrounding, and the outlet of slag particle collection device bottom connects the entrance at device for cooling top between slag particle, and between slag particle, the outlet of device for cooling bottom connects e Foerderanlage; Between described slag particle collection device, slag particle, device for cooling is all connected recirculating cooling water system with e Foerderanlage.
Further, described elutriating apparatus is half-headed cylinder, and the barrel of cylinder is double-layer structure, is provided with some centrifugal holes that throw away of molten metallurgical slag that supply on the barrel of inner cylinder bottom 1/3rd, and outer cylinder is coniform; Elutriating apparatus bottom has drive-motor driving to circle.
Further, the rotating speed of described elutriating apparatus is 400～600r/min.
Further, described slag particle collection device is an obconic storehouse, comprise the base plate that is arranged at the baffle plate of elutriating apparatus surrounding and is arranged at elutriating apparatus below, base plate and baffle plate are the sandwich structure of built-in water coolant, and slag particle collection device top arranges a downward-sloping top board.
Further, the distance of described baffle plate upper end and elutriating apparatus is 80～120cm; The distance of baffle plate lower end and elutriating apparatus is 120～180cm.
Further, on described slag particle collection device base plate, be provided with cold air inlet, cold air inlet connects gas blower by pipeline.
Further, between described slag particle, cold charge is set to the hollow coil pipe with metallurgical slag passage, and the tube wall sandwich establishment of coil pipe is water coolant in interlayer.
Further, described e Foerderanlage comprises some transfer passages, and the bottom of transfer passage is cooling water tank, connects recirculating cooling water system.
Further, downward-sloping 5 °～8 ° of described transfer passage.
Further, the exit of described metallurgical slag switching funnel is provided with the flow control valve of controlling molten metallurgical slag flow.
Beneficial effect of the present invention: the pyrometallurgy slag quality that device of the present invention reclaims is high, diameter can be to environment in the process reclaiming, in removal process, the waste heat of pyrometallurgy slag is changed to recirculated cooling water, improved pyrometallurgy slag heat utilization efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is elaborated.
A kind of retrieving arrangement that improves metallurgical slag utility value as shown in Figure 1, comprises metallurgical slag switching funnel 10, elutriating apparatus 20, slag particle collection device 30, device for cooling 40, e Foerderanlage 50 and recirculating cooling water system 60 between slag particle.Elutriating apparatus 20 is arranged at the below of metallurgical switching funnel 10, and the end of metallurgical slag switching funnel 10 stretches into deeply from the top of elutriating apparatus 20; Slag particle collection device 30 is centered around elutriating apparatus 20 surroundings, and the outlet of slag particle collection device 30 bottoms connects the entrance at device for cooling 40 tops between slag particle, and between slag particle, the outlet of device for cooling 40 bottoms connects e Foerderanlage 50; Between slag particle collection device 30, slag particle, device for cooling 40 is all connected recirculating cooling water system 60 with e Foerderanlage 50.
The exit of metallurgical slag switching funnel 10 is provided with the flow control valve 11 of controlling molten metallurgical slag flow.
Slag particle collection device 30, it is an obconic storehouse, comprise the baffle plate 31 that is arranged at elutriating apparatus surrounding and the base plate 32 that is arranged at elutriating apparatus below, base plate 32 and baffle plate 31 are the sandwich structure of built-in water coolant, and the distance of baffle plate 31 upper ends and elutriating apparatus 20 is 80～120cm; The distance of baffle plate 31 lower ends and elutriating apparatus 20 is 120～180cm, on slag particle collection device base plate 32, is provided with cold air inlet 33, and cold air inlet 33 connects gas blower 34 by pipeline, and slag particle collection device top arranges a downward-sloping top board 35.
Device for cooling 40 between slag particle, is the hollow coil pipe with metallurgical slag passage, and the tube wall sandwich establishment of coil pipe is water coolant in interlayer.
E Foerderanlage 50, comprises some transfer passages 51, and the bottom of transfer passage is cooling water tank 52, connects recirculating cooling water system 60, downward-sloping 5 °～8 ° of transfer passage 51.
High temperature state metallurgical slag is through elutriating apparatus fragmentation, in shattering process, utilize gas blower to carry out it cooling, the metallurgical slag particle after fragmentation touches the cooling stave of slag particle collection device, further cooling, undertaken coolingly by indirect cooling device, finally e Foerderanlage is delivered to next procedure again again.
Those skilled in the art should understand; above-described embodiment is only in order to illustrate technical scheme of the present invention; but not design of the present invention and protection domain are limited; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. a retrieving arrangement that improves metallurgical slag utility value, is characterized in that: comprise metallurgical slag switching funnel, elutriating apparatus, slag particle collection device, device for cooling, e Foerderanlage and recirculating cooling water system between slag particle; Described elutriating apparatus is arranged at the below of metallurgical switching funnel, and the end of metallurgical slag switching funnel stretches into deeply from the top of elutriating apparatus; Slag particle collection device is centered around elutriating apparatus surrounding, and the outlet of slag particle collection device bottom connects the entrance at device for cooling top between slag particle, and between slag particle, the outlet of device for cooling bottom connects e Foerderanlage; Between described slag particle collection device, slag particle, device for cooling is all connected recirculating cooling water system with e Foerderanlage.
2. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, it is characterized in that: described elutriating apparatus is half-headed cylinder, the barrel of cylinder is double-layer structure, on the barrel of inner cylinder bottom 1/3rd, be provided with some centrifugal holes that throw away of molten metallurgical slag that supply, outer cylinder is coniform; Elutriating apparatus bottom has drive-motor driving to circle.
3. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: the rotating speed of described elutriating apparatus is 400～600r/min.
4. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, it is characterized in that: described slag particle collection device is an obconic storehouse, comprise the base plate that is arranged at the baffle plate of elutriating apparatus surrounding and is arranged at elutriating apparatus below, described base plate and baffle plate are the sandwich structure of built-in water coolant, and slag particle collection device top arranges a downward-sloping top board.
5. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: the distance of described baffle plate upper end and elutriating apparatus is 80～120cm; The distance of baffle plate lower end and elutriating apparatus is 120～180cm.
6. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: on described slag particle collection device base plate, be provided with cold air inlet, cold air inlet connects gas blower by pipeline.
7. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: between described slag particle, cold charge is set to the hollow coil pipe with metallurgical slag passage, and the tube wall sandwich establishment of coil pipe is water coolant in interlayer.
8. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: described e Foerderanlage comprises some transfer passages, and the bottom of transfer passage is cooling water tank, connects recirculating cooling water system.
9. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: downward-sloping 5 °～8 ° of described transfer passage.
10. a kind of retrieving arrangement that improves metallurgical slag utility value according to claim 1, is characterized in that: the exit of described metallurgical slag switching funnel is provided with the flow control valve of controlling molten metallurgical slag flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410125029.2A CN103866057B (en) | 2014-03-31 | 2014-03-31 | A kind of retrieving arrangement of high utility value metallurgical slag |
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| CN201410125029.2A CN103866057B (en) | 2014-03-31 | 2014-03-31 | A kind of retrieving arrangement of high utility value metallurgical slag |
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| CN103866057A true CN103866057A (en) | 2014-06-18 |
| CN103866057B CN103866057B (en) | 2015-09-23 |
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| CN201410125029.2A Expired - Fee Related CN103866057B (en) | 2014-03-31 | 2014-03-31 | A kind of retrieving arrangement of high utility value metallurgical slag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480245A (en) * | 2016-12-01 | 2017-03-08 | 北京科技大学 | The device that a kind of high-temperature slag heat step is reclaimed |
| CN109852805A (en) * | 2019-02-26 | 2019-06-07 | 宋玲芳 | A kind of equipment that rare earth discards polishing powder removal sial impurity |
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| US5735931A (en) * | 1993-08-12 | 1998-04-07 | Davy Mckee (Stockton) Limited | Slag granulation method and apparatus |
| CN101660014A (en) * | 2009-09-24 | 2010-03-03 | 中钢集团鞍山热能研究院有限公司 | Molten blast furnace slag sensible heat recovery method and device |
| CN202530095U (en) * | 2012-02-09 | 2012-11-14 | 南京凯盛开能环保能源有限公司 | Centrifugal molten slag dry granulation and waste heat recovery power generation system |
| CN103014202A (en) * | 2012-12-21 | 2013-04-03 | 东北大学 | Device and method for recovering high-temperature sensible heat of liquid blast furnace slag |
| CN203833956U (en) * | 2014-03-31 | 2014-09-17 | 江苏融达新材料股份有限公司 | High-utilization-rate metallurgical waste residue recovery device |
-
2014
- 2014-03-31 CN CN201410125029.2A patent/CN103866057B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735931A (en) * | 1993-08-12 | 1998-04-07 | Davy Mckee (Stockton) Limited | Slag granulation method and apparatus |
| CN101660014A (en) * | 2009-09-24 | 2010-03-03 | 中钢集团鞍山热能研究院有限公司 | Molten blast furnace slag sensible heat recovery method and device |
| CN202530095U (en) * | 2012-02-09 | 2012-11-14 | 南京凯盛开能环保能源有限公司 | Centrifugal molten slag dry granulation and waste heat recovery power generation system |
| CN103014202A (en) * | 2012-12-21 | 2013-04-03 | 东北大学 | Device and method for recovering high-temperature sensible heat of liquid blast furnace slag |
| CN203833956U (en) * | 2014-03-31 | 2014-09-17 | 江苏融达新材料股份有限公司 | High-utilization-rate metallurgical waste residue recovery device |
Non-Patent Citations (1)
| Title |
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| 杜滨 等: "转盘离心粒化液态高炉渣实验研究", 《冶金能源》, vol. 32, no. 4, 31 July 2013 (2013-07-31), pages 29 - 32 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480245A (en) * | 2016-12-01 | 2017-03-08 | 北京科技大学 | The device that a kind of high-temperature slag heat step is reclaimed |
| CN106480245B (en) * | 2016-12-01 | 2018-08-17 | 北京科技大学 | A kind of device of high-temperature slag heat step recycling |
| CN109852805A (en) * | 2019-02-26 | 2019-06-07 | 宋玲芳 | A kind of equipment that rare earth discards polishing powder removal sial impurity |
| CN109852805B (en) * | 2019-02-26 | 2021-04-27 | 新沂市锡沂高新材料产业技术研究院有限公司 | Equipment for removing silicon-aluminum impurities from rare earth waste polishing powder |
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| CN103866057B (en) | 2015-09-23 |
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