CN103266228B - Zinc-containing flue slag block recycling method - Google Patents
Zinc-containing flue slag block recycling method Download PDFInfo
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- CN103266228B CN103266228B CN201310200509.6A CN201310200509A CN103266228B CN 103266228 B CN103266228 B CN 103266228B CN 201310200509 A CN201310200509 A CN 201310200509A CN 103266228 B CN103266228 B CN 103266228B
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- zinc
- powder
- clinker
- flue
- containing flue
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention provides a zinc-containing flue slag block recycling method which can be used for solving the problems that zinc-containing flue slag blocks formed after zinc-containing flue ash is affected with damp are discarded, the wasting of resources and the environmental pollution are caused. The zinc-containing flue slag block recycling method provided by the invention comprises the following steps of: carrying out rolling compaction on the zinc-containing flue slag blocks, sieving to obtain required powder, pulverizing again by a pulverizer and grading by a grader, wherein high-magnetism magnet impurity removal devices are arranged in the rolling compaction, sieving, pulverizing and grading processes. The recycling method provided by the invention is simple in operation and easy to realize, can be used for effectively utilizing the zinc-containing flue slag blocks, improving the utilization rate of resources, reducing the environmental pollution and turning waste into wealth and has a good application prospect. The recycling rate is high and reaches above 90%, and the recycled zinc powder is wide in application range.
Description
Technical field
The present invention relates to the machining manufacture of non-ferrous metal, be specifically related to the recoverying and utilizing method containing zinc flue clinker.
Background technology
In spelter works and discarded the containing in zinc flue dust of steelworks, contain 30%～65% zinc oxide, therefore, containing zinc flue dust, by a large amount of recyclings, yet contain zinc flue dust, in flue, be subject to moist rear formation flue clinker, and in storage process, be subject to moist formation containing zinc flue clinker, these are dropped containing zinc flue clinker major part, cause the wasting of resources and environmental pollution, therefore, urgently needed to propose a kind of recoverying and utilizing method containing zinc flue clinker.
Summary of the invention
The object of this invention is to provide a kind of recoverying and utilizing method containing zinc flue clinker, solve the existing zinc flue dust that contains and be subject to moist rear being dropped containing zinc flue clinker of forming, cause the problem of the wasting of resources and environmental pollution.
In order to achieve the above object, the invention provides following technical scheme:
Recoverying and utilizing method containing zinc flue clinker of the present invention is realized by following steps:
Step 1, will roll rear mistake 40 eye mesh screens containing zinc flue clinker and obtain one-level powder, and high magnetic magnet will be arranged on to one of the two ends of 40 eye mesh screens or two ends, or high magnetic magnet is arranged on the discharge port of the rolling apparatus rolling containing zinc flue clinker;
Step 2, the one-level powder that step 1 is obtained obtain secondary powder by pulverizing, high magnetic magnet are arranged on to opening for feed or the discharge port of one-level powder being pulverized to the disintegrating apparatus adopting;
Step 3, the secondary powder classification that step 2 is obtained obtain 500 object zinc powders, high magnetic magnet are arranged on to opening for feed or the discharge port of the stage equipment that secondary powder classification is adopted;
Wherein, adopt pulverizer to pulverize one-level powder in step 2, it is 3000～4500 revs/min that rotating speed is set in crushing process; In step 3, utilize zinc powder grading machine that secondary powder classification is obtained to 500 object zinc powders, it is 900～1050 revs/min that rotating speed is set in classification process, and blower fan speed is 2500 revs/min.
Recoverying and utilizing method containing zinc flue clinker of the present invention be by containing zinc flue clinker through rolling, classification, large-scale pulverizer pulverize, then divides grade packagedly, and in whole process, adopts high magnetic magnet to absorb iron contamination.
Of the present invention containing in the recoverying and utilizing method of zinc flue clinker, particularly, rolling in step 1 adopts stone mill to roll, and rolls that in process, speed of grinding plate to be set be 70～90 revs/min at stone mill.Preferably, at stone mill, roll that in process, speed of grinding plate to be set be 80 revs/min.
Particularly, in step 1, by containing zinc flue clinker, the opening for feed by stone mill drops in stone mill, after rolling by discharge port collect after milling containing zinc flue clinker, after 40 order mesh screens, collect by the powder (being one-level powder) of 40 order mesh screens, wherein, rolling the rotating speed that stone mill is set in process is 70～90 revs/min, and feeding mode is continuous dosing, and controlling feed rate is 280～320 kgs/hour.
Particularly, after rolling containing zinc flue clinker in step 1, by 40 order vibratory screening apparatus classifications, the thick zinc flue clinker that contains by 40 order vibratory screening apparatuss does not continue to roll, until completely by 40 eye mesh screens.
Particularly, adopt pulverizer to pulverize one-level powder in step 2, it is 4000 revs/min that rotating speed is set in crushing process.Adopt existing pulverizer to realize, such as large-scale pulverizer, micronizer mill, ultrafine crusher etc.
Particularly, utilize zinc powder grading machine that secondary powder classification is obtained to 500 object zinc powders in step 3, it is 950 revs/min that rotating speed is set in classification process, and blower fan speed is 2500 revs/min.Adopt existing zinc powder grading machine to realize.
Particularly, in the step 1 of the recoverying and utilizing method containing zinc flue clinker of the present invention, high magnetic magnet is arranged on to one of the two ends of 40 eye mesh screens or two ends, or in step 1, high magnetic magnet is arranged on the discharge port of the rolling apparatus rolling containing zinc flue clinker.In step 2, high magnetic magnet is arranged on to opening for feed or the discharge port of one-level powder being pulverized to the disintegrating apparatus adopting, for example the opening for feed of pulverizer or discharge port.In step 3, high magnetic magnet is arranged on to opening for feed or the discharge port of the stage equipment that secondary powder classification is adopted, for example the opening for feed of zinc powder grading machine or discharge port.
Of the present invention containing zinc flue clinker recoverying and utilizing method, simple to operate, be easy to realize, and effectively utilized containing zinc flue clinker, improved resource utilization, reduced environmental pollution, realized and having turned waste into wealth, there is good application prospect.
Recovery utilization rate containing zinc flue clinker recoverying and utilizing method of the present invention is high, reaches more than 90%, reclaims the zinc powder obtaining of many uses.
Embodiment
Below in conjunction with embodiments of the invention, technical scheme of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one:
Containing the recoverying and utilizing method of zinc flue clinker, by following steps, realize:
Step 1, will containing zinc flue clinker (zinc factory containing zinc flue clinker), after stone mill rolls, cross 40 eye mesh screens and obtain one-level powder, wherein the discharge port at stone mill is provided with high magnetic magnet, it is 80 revs/min that stone mill rolls the rotating speed that stone mill is set in process, feeding mode is continuous dosing, and controlling feed rate is 300 kgs/hour;
Step 2, the one-level powder that step 1 is obtained are pulverized and are obtained secondary powder by large-scale pulverizer, and wherein the opening for feed at large-scale pulverizer is provided with high magnetic magnet, and it is 3000 revs/min that large-scale pulverizer rotating speed is set;
The 500 object zinc powders that step 3, the secondary powder that step 2 is obtained utilize the classification of zinc powder grading machine to obtain, wherein the opening for feed at zinc powder grading machine is provided with high magnetic magnet, the rotating speed that zinc powder grading machine is set is 900 revs/min, and blower fan speed is 2500 revs/min.
The large-scale pulverizer that in present embodiment, step 2 adopts adopts existing large-scale pulverizer.The zinc powder grading machine adopting in step 3 adopts existing zinc powder grading machine.
The recovery utilization rate containing zinc flue clinker recoverying and utilizing method of present embodiment is high, reaches 92%, reclaims the zinc powder obtaining of many uses.
In present embodiment, adopt zinc factory containing zinc flue clinker, the quality percentage composition containing zinc in zinc flue clinker of zinc factory reaches 60%～65%, in the zinc powder that the recoverying and utilizing method of present embodiment obtains, the quality percentage composition of zinc reaches 65%～70%.Zinc content adopts GBT6890-2000 national standard to detect and obtains.
Embodiment two:
Containing the recoverying and utilizing method of zinc flue clinker, by following steps, realize:
Step 1, will drop in stone mill by the opening for feed by stone mill containing zinc flue clinker (zinc factory containing zinc flue clinker), after rolling by discharge port collect after milling containing zinc flue clinker, after 40 order vibratory screening apparatuss, collect by the powder (being one-level powder) of 40 order vibratory screening apparatuss, not by thick the dropping in stone mill and roll again containing zinc flue clinker of 40 order vibratory screening apparatuss, until completely by 40 order vibratory screening apparatuss, obtain one-level powder; Wherein, rolling the rotating speed that stone mill is set in process is 80 revs/min, and feeding mode is continuous dosing, and controlling feed rate is 300 kgs/hour, is provided with high magnetic magnet at the two ends of 40 order vibratory screening apparatuss;
Step 2, the one-level powder that step 1 is obtained are pulverized and are obtained secondary powder by micronizer mill, and wherein the discharge port at micronizer mill is provided with high magnetic magnet, and it is 3000 revs/min that micronizer mill rotating speed is set;
The 500 object zinc powders that step 3, the secondary powder that step 2 is obtained utilize the processing of zinc powder grading machine to obtain, wherein the discharge port at zinc powder grading machine is provided with high magnetic magnet, the rotating speed that zinc powder grading machine is set is 950 revs/min, and blower fan speed is 2500 revs/min.
The micronizer mill that the model that the large-scale pulverizer that in present embodiment, step 2 adopts adopts Xinxiang City, Henan Province Gao Fu sieving machine company limited to produce is QLFSJ-4.The zinc powder grading machine that the model that the zinc powder grading machine adopting in step 3 adopts Xinxiang City, Henan Province Gao Fu sieving machine company limited to produce is XFFJJ-7.
The recovery utilization rate containing zinc flue clinker recoverying and utilizing method of present embodiment is high, reaches 95%, reclaims the zinc powder obtaining of many uses.
In present embodiment, adopt zinc factory containing zinc flue clinker, the quality percentage composition containing zinc in zinc flue clinker of zinc factory reaches 60%～65%, in the zinc powder that the recoverying and utilizing method of present embodiment obtains, the quality percentage composition of zinc reaches 70%～80%.Zinc content adopts GBT6890-2000 national standard to detect and obtains.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain described in claim.
Claims (2)
1. containing a recoverying and utilizing method for zinc flue clinker, it is characterized in that:
By following steps, realize:
Step 1, will roll rear mistake 40 eye mesh screens containing zinc flue clinker and obtain one-level powder, and high magnetic magnet will be arranged on to one of the two ends of 40 eye mesh screens or two ends, or high magnetic magnet is arranged on the discharge port of the rolling apparatus rolling containing zinc flue clinker;
Step 2, the one-level powder that step 1 is obtained obtain secondary powder by pulverizing, high magnetic magnet are arranged on to opening for feed or the discharge port of one-level powder being pulverized to the disintegrating apparatus adopting;
Step 3, the secondary powder classification that step 2 is obtained obtain 500 object zinc powders, high magnetic magnet are arranged on to opening for feed or the discharge port of the stage equipment that secondary powder classification is adopted;
Wherein, adopt pulverizer to pulverize one-level powder in step 2, it is 3000～4500 revs/min that rotating speed is set in crushing process; In step 3, utilize zinc powder grading machine that secondary powder classification is obtained to 500 object zinc powders, it is 900～1050 revs/min that rotating speed is set in classification process, and blower fan speed is 2500 revs/min.
2. a kind of recoverying and utilizing method containing zinc flue clinker according to claim 1, is characterized in that: rolling described in step 1 adopts stone mill to roll, and rolls that in process, speed of grinding plate to be set be 70～90 revs/min at stone mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310200509.6A CN103266228B (en) | 2013-05-27 | 2013-05-27 | Zinc-containing flue slag block recycling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310200509.6A CN103266228B (en) | 2013-05-27 | 2013-05-27 | Zinc-containing flue slag block recycling method |
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| Publication Number | Publication Date |
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| CN103266228A CN103266228A (en) | 2013-08-28 |
| CN103266228B true CN103266228B (en) | 2014-12-10 |
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| CN201310200509.6A Expired - Fee Related CN103266228B (en) | 2013-05-27 | 2013-05-27 | Zinc-containing flue slag block recycling method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103643055B (en) * | 2013-11-02 | 2015-03-04 | 株洲冶炼集团股份有限公司 | Total wet method zinc smelting concentrate production material preparation technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB265558A (en) * | 1926-02-04 | 1927-06-09 | Krupp Fried Grusonwerk Ag | Improvements in or relating to processes for the treatment of zinciferous flue dust |
| CN102399997A (en) * | 2011-10-28 | 2012-04-04 | 中南大学 | Method for refining zinc through combination of dressing and smelting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2248093Y (en) * | 1995-08-24 | 1997-02-26 | 李金聚 | Disintegrating machine for magnesium chips |
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2013
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB265558A (en) * | 1926-02-04 | 1927-06-09 | Krupp Fried Grusonwerk Ag | Improvements in or relating to processes for the treatment of zinciferous flue dust |
| CN102399997A (en) * | 2011-10-28 | 2012-04-04 | 中南大学 | Method for refining zinc through combination of dressing and smelting |
Non-Patent Citations (2)
| Title |
|---|
| 王纪明等.锌浸渣还原焙烧-磁选回收铁.《中国有色金属学报》.2012,第22卷(第5期),第1455-1461页. * |
| 锌浸渣还原焙烧-磁选回收铁;王纪明等;《中国有色金属学报》;20120531;第22卷(第5期);第1455-1461页 * |
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Granted publication date: 20141210 Termination date: 20160527 |