CN108917411A - A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process - Google Patents
A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process Download PDFInfo
- Publication number
- CN108917411A CN108917411A CN201810343304.6A CN201810343304A CN108917411A CN 108917411 A CN108917411 A CN 108917411A CN 201810343304 A CN201810343304 A CN 201810343304A CN 108917411 A CN108917411 A CN 108917411A
- Authority
- CN
- China
- Prior art keywords
- lead
- mine
- lead skim
- skim
- tank body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- 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
-
- 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
- Y02P10/25—Process efficiency
Abstract
The present invention relates in a kind of lead smelting process lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN method, the invention mainly includes：It smelts lead skim using lead hot exhaust gas is fitted into vertical closed tank body, then the oxygen being evenly distributed is passed through from the apparatus of oxygen supply of tank base, it is sufficiently cooled so that smelting lead skim mine, the sensible heat of lead skim mine is almost all carried by air and is discharged by top of the tank simultaneously, carries out waste heat recycling heat supply power generation later.The present invention recycles compared with using technology with existing secondary lead smelting waste heat, its heat recovery rate with higher, and lead is effectively reduced and smelts subsequent handling energy consumption, this method is reasonable, efficiently, equipment is succinctly easy to operate, compares and is conducive to generate electricity in secondary lead smelting process waste heat resource reclaim and utilize technical field popularization and application.
Description
Technical field
The present invention relates to reviver technical field, in specially a kind of slag waste heat removal process based on energy-saving and emission-reduction,
The high efficiente callback of cryogenic waste heat resource and the method and device thereof utilized.
Background technique
Currently, China or even in the world, the design of the structural parameters and operating parameter of cooler is based only on cold to slag
But monomer effect, and almost without the recycling considered to lead ore residue sensible heat；In other words, the structure of cooler and behaviour at present
Make parameter to be difficult to adapt to the high efficiente callback and utilization of lead ore residue sensible heat, there is not in Exposure degree and on for cooler
Surmountable drawback, is mainly shown as：
(1) presence that cooler leaks out makes lead skim sensible heat largely scatter and disappear, while making for air-blast cooled air blower
Power consumption increases.
(2) cooler band type structure only recycles temperature compared with lower part (generally at 300 DEG C or less) lead ore residue sensible heat,
The slag sensible heat resource of temperature upper section is slatterned.
Summary of the invention
The present invention for existing cooler there is leak out, slag sensible heat can only be partially recycled etc. drawbacks, propose one kind
Comprehensively utilize new process using secondary lead smelting lead skim, the purpose is to which previous cooler can be overcome to leak out caused by it is cooling and return
Receive thermal resource efficiency reduce the problem of, and can overcome the problems, such as previous cooler can only recovery section heat source, solve tank body in
Portion's charging, air feed problem.The present invention provides the following technical solutions：
A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process, it is specific as follows：
S1. red-hot lead skim mine is encased in a vertical closed tank body by feeding system, the temperature of lead skim mine is
950 DEG C~1200 DEG C；
S2. it is uniformly given on entire tank body cross section from the apparatus of oxygen supply of the tank base and is passed through cryogenic oxygen, oxygen stream
The ratio of amount and lead skim mine treating capacity, i.e.,：Gas-solid ratio is 2000：2500Nm3/ t makes red-hot lead skim mine in the tank body and oxygen
Gas, which comes into full contact with, to be cooled down；
S3. lead skim mine after cooling is discharged by tank base, and the carrying lead skim mine after coming into full contact with lead skim mine is whole
The air of sensible heat is then discharged from tank body top, and carries out waste heat boiler recycling, generates steam heating, power generation.
Lead skim mine import is provided at the top of the vertical closed tank body, bottom is provided with cold mine outlet and external oxygen
Air inlet；
The inside of the vertical closed tank body, which is divided into, prestores band and cooling zone, and the upper of cooling zone is arranged in the band that prestores
Side；
The top of the vertical closed tank body is located at the feed system that lead skim mine entrance is provided with bell and lower bell
System；
The exit Leng Kuang of the vertical closed tank body is provided with rotary seal valve.
The feeding system includes upper bell and lower bell, and when work, red-hot lead skim mine is poured into upper bell by truck
Interior, often once upper bell rotates 60 °, and automatically opens downwards, falls into furnace charge in lower bell, is then shut off, fills in this way
After material six times, lower bell is open, and furnace charge just equably falls on tank body surrounding.
The apparatus of oxygen supply includes that blast cap, cross air duct, upper cone bucket and lower cone bucket, cryogenic oxygen respectively enter apparatus of oxygen supply
Upper and lower gas chamber in, the periphery air-supply of oxygen in upper chamber between upper and lower cone bucket, the oxygen of lower chamber is sent along central blast cap
Wind.
Compared with prior art, the beneficial effects of the invention are as follows：Secondary lead smelting is utilized the invention particularly discloses a kind of
Lead skim comprehensively utilizes new process, effectively overcomes the inadequate natural endowment of existing cooler, it is possible to prevente effectively from the leaking out of cooler
Problem；It overcomes the lower lead of traditional cooler recovered temperature and smelts lead skim residual heat resources drawback, realize lead ore residue sensible heat
Most recycling；Improve the uniformity and circulating air of uniformity, the lead ore residue decline that lead ore residue is distributed in vertical tank body
The uniformity that body rises is realized most of recycling of lead ore residue sensible heat, was both considered to improve the cooling efficiency of vertical tank body
The cooling of lead ore residue, it is contemplated that the high efficiente callback of lead ore residue sensible heat.This method is reasonable, and efficiently, equipment is succinctly easy to operate, than
Relatively it is conducive to residual heat resources recycling during secondary lead smelting slag to promote and apply with using technical field.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In description of the invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of this practical and simplified description of description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh
, and should not be understood as indicating or implying relative importance.
In description of the invention, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Embodiment 1
Referring to Fig. 1, a kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process, specific as follows：
S1. red-hot lead skim mine is encased in a vertical closed tank body by feeding system, the temperature of lead skim mine is
950 DEG C~1200 DEG C；
S2. it is uniformly given on entire tank body cross section from the apparatus of oxygen supply of the tank base and is passed through cryogenic oxygen, oxygen stream
The ratio of amount and lead skim mine treating capacity, i.e.,：Gas-solid ratio is 2000：2500Nm3/ t makes red-hot lead skim mine in the tank body and oxygen
Gas, which comes into full contact with, to be cooled down；
S3. lead skim mine after cooling is discharged by tank base, and the carrying lead skim mine after coming into full contact with lead skim mine is whole
The air of sensible heat is then discharged from tank body top, and carries out waste heat boiler recycling, generates steam heating, power generation.
The top of the vertical closed tank body 1 is provided with lead skim mine import 2, and bottom is provided with cold mine outlet 3, in tank body
1 bottom side is provided with cryogenic oxygen air outlet 4, which connects apparatus of oxygen supply, described vertical closed
The inside of tank body 1, which is divided into, prestores band 5 and cooling zone 6, the top for prestoring band 5 and cooling zone 6 being arranged in, the cooling zone 6
Lower section is burner hearth 7, and described prestore is communicated between band 5 and cooling zone 6 by cross air duct 8, is provided with prestoring 5 side of band
Gas chamber outlet 9,6 side of cooling zone be provided with lower chamber outlet 10, the top of the vertical closed tank body 1 be located at lead skim mine into
2 lower parts of mouth are provided with feeding system；Rotary seal valve is provided at the cold mine outlet 3 of the vertical closed tank body.The confession
Material system includes upper bell 11 and lower bell 12, and when work, red-hot lead skim mine is poured into upper bell 11 by truck, and often one
Secondary upper bell 11 rotates 60 °, and automatically opens downwards, falls into furnace charge in lower bell 12, is then shut off, in this way charging six
After secondary, lower bell 12 is open, and furnace charge just equably falls on tank body surrounding.
The apparatus of oxygen supply includes blast cap 13, cross air duct 8, upper chamber and lower chamber, and cryogenic oxygen respectively enters oxygen supply
In the upper and lower gas chamber of device, the oxygen in upper chamber is blown along the periphery of upper and lower gas chamber, and the oxygen of lower chamber is along central blast cap
13 air-supplies；Wherein upper chamber, which is located at, prestores 5 position of band, and lower chamber is located at 6 position of cooling zone；Blast cap 13 is mounted on 1 bottom of tank body
Grate pedestal 14 on.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process, it is characterised in that specific as follows：
S1. red-hot lead skim mine is encased in a vertical closed tank body by feeding system, the temperature of lead skim mine is 950 DEG C
~1200 DEG C；
S2. uniformly given on entire tank body cross section from the apparatus of oxygen supply of the tank base and be passed through cryogenic oxygen, oxygen flow with
The ratio of lead skim mine treating capacity, i.e.,：Gas-solid ratio is 2000：2500Nm3/ t fills red-hot lead skim mine in the tank body with oxygen
Tap touching is cooled down；
S3. lead skim mine after cooling is discharged by tank base, and the carrying lead skim mine complete sensible heat after coming into full contact with lead skim mine
Air be then discharged from tank body top, and carry out waste heat boiler recycling, generate steam heating, power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343304.6A CN108917411A (en) | 2018-04-17 | 2018-04-17 | A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810343304.6A CN108917411A (en) | 2018-04-17 | 2018-04-17 | A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108917411A true CN108917411A (en) | 2018-11-30 |
Family
ID=64403106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810343304.6A Pending CN108917411A (en) | 2018-04-17 | 2018-04-17 | A kind of method of lead skim recycling and UTILIZATION OF VESIDUAL HEAT IN in lead smelting process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108917411A (en) |
Citations (11)
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|---|---|---|---|---|
| CN101655320A (en) * | 2009-09-15 | 2010-02-24 | 东北大学 | Grading recycling and cascade utilization method of residual heat resources in sintering process and device thereof |
| CN202141346U (en) * | 2011-06-27 | 2012-02-08 | 东北大学 | High efficiency recovery unit of sintering waste heat resource |
| CN102345981A (en) * | 2010-08-03 | 2012-02-08 | 刘柏谦 | Sintering ore cooling device and waste heat recovery system thereof |
| CN205156639U (en) * | 2015-07-30 | 2016-04-13 | 中冶长天国际工程有限责任公司 | Vertical cooling system of sintering deposit |
| CN106433700A (en) * | 2016-11-11 | 2017-02-22 | 中冶焦耐(大连)工程技术有限公司 | Coke dry quenching dust removal system and process capable of efficiently recovering heat energy |
| CN106556258A (en) * | 2015-09-28 | 2017-04-05 | 宝钢工程技术集团有限公司 | Sintering mine sensible heat retracting device and its using method |
| CN106766950A (en) * | 2016-11-23 | 2017-05-31 | 北京天朗致达节能环保科技有限公司 | A kind of high temperature pelletizing heat recovering device and recovery method |
| CN206219613U (en) * | 2016-11-22 | 2017-06-06 | 九源天能（北京）科技有限公司 | A kind of dry type blast-furnace cement sensible heat recovery system |
| CN106989610A (en) * | 2017-05-18 | 2017-07-28 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's heat recovery |
| CN107014218A (en) * | 2017-05-18 | 2017-08-04 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization |
| JP2017137531A (en) * | 2016-02-04 | 2017-08-10 | Ｊｆｅスチール株式会社 | Drying method of blast furnace feed |
-
2018
- 2018-04-17 CN CN201810343304.6A patent/CN108917411A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655320A (en) * | 2009-09-15 | 2010-02-24 | 东北大学 | Grading recycling and cascade utilization method of residual heat resources in sintering process and device thereof |
| CN102345981A (en) * | 2010-08-03 | 2012-02-08 | 刘柏谦 | Sintering ore cooling device and waste heat recovery system thereof |
| CN202141346U (en) * | 2011-06-27 | 2012-02-08 | 东北大学 | High efficiency recovery unit of sintering waste heat resource |
| CN205156639U (en) * | 2015-07-30 | 2016-04-13 | 中冶长天国际工程有限责任公司 | Vertical cooling system of sintering deposit |
| CN106556258A (en) * | 2015-09-28 | 2017-04-05 | 宝钢工程技术集团有限公司 | Sintering mine sensible heat retracting device and its using method |
| JP2017137531A (en) * | 2016-02-04 | 2017-08-10 | Ｊｆｅスチール株式会社 | Drying method of blast furnace feed |
| CN106433700A (en) * | 2016-11-11 | 2017-02-22 | 中冶焦耐(大连)工程技术有限公司 | Coke dry quenching dust removal system and process capable of efficiently recovering heat energy |
| CN206219613U (en) * | 2016-11-22 | 2017-06-06 | 九源天能（北京）科技有限公司 | A kind of dry type blast-furnace cement sensible heat recovery system |
| CN106766950A (en) * | 2016-11-23 | 2017-05-31 | 北京天朗致达节能环保科技有限公司 | A kind of high temperature pelletizing heat recovering device and recovery method |
| CN106989610A (en) * | 2017-05-18 | 2017-07-28 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's heat recovery |
| CN107014218A (en) * | 2017-05-18 | 2017-08-04 | 中冶华天南京工程技术有限公司 | Heat power generating system based on coke-oven plant's residual heat and energy integrated utilization |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |