CN203212614U - Manganese monoxide mineral powder producing device - Google Patents
Manganese monoxide mineral powder producing device Download PDFInfo
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- CN203212614U CN203212614U CN2013201877346U CN201320187734U CN203212614U CN 203212614 U CN203212614 U CN 203212614U CN 2013201877346 U CN2013201877346 U CN 2013201877346U CN 201320187734 U CN201320187734 U CN 201320187734U CN 203212614 U CN203212614 U CN 203212614U
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- Prior art keywords
- manganese
- reduction furnace
- breeze
- reduction
- heating agent
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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 utility model discloses a manganese monoxide mineral powder producing device. The manganese monoxide mineral powder producing device comprises a vertically-arranged reduction furnace, wherein an automatic material distribution machine and a feeding scrapper are arranged at the top of the reduction furnace; a hot gas nozzle is arranged at the lower part of the reduction furnace; a cooling water tank and a discharging scrapper are arranged at the bottom of the reduction furnace; the feeding scrapper is connected with a discharging opening of a middle chamber through a first bucket elevator; a feeding opening of the middle chamber is connected with a rotary kiln through a second bucket elevator; a bar screen is arranged at the feeding opening of the middle chamber, and a static grizzly is arranged at the discharging opening; a vibration screen is arranged on the automatic material distribution machine. The manganese monoxide mineral powder produced by the utility model can be used as an alternative raw material for producing electrolytic manganese metal and electrolytic manganese dioxide, so that the problem that a raw material of a manganese carbonate ore is depended on in a manganese industry is solved, and the acid consumption and the cost can be greatly reduced.
Description
Technical field
The utility model relates to a kind of production equipment of manganese oxide powder, and particularly a kind of is the device of raw material production manganese monoxide breeze with low-grade manganese oxide ore.
Background technology
Electrolytic metal Mn is widely used in fields such as metallurgy, medical science, electronics, communication.Along with development of science and technology, the application of electrolytic manganese constantly enlarges, and market demand year increases about 15%.China's electrolytic manganese annual capacity can reach 800,000 tons, accounts for 80% of Gross World Product.For many years, most of outlet, the countries such as main exit Japan, Korea S, America and Europe of being used for of China's electrolytic manganese.Electrolytic metal Mn is to go out to obtain manganese salt with manganese ore through acidleach, the elemental metals that send electrolytic tank electrolysis to separate out again, and the purity of electrolytic manganese is very high, and manganese content is greater than more than 99.7%, thereby mainly uses when aircraft industry, metallurgy and non-ferrous metal metallurgy.
The production of current electrolysis manganese metal generally adopts manganese carbonate ore as raw material, there are problems such as energy consumption is many, production cost is high, environmental pollution is big, at present, the manganese carbonate ore resource is fewer and feweri, to face the rare and expensive problem of huge mineral resources by the enterprise that uses the manganese carbonate ore resource to produce.Manganese oxide ore reduction extract technology is the important research content of domestic and international manganese ore processing always, according to the difference of flow process, can be summarized as two big classes: reducing roasting-pickling process and the lixiviation process (wet reducing) that directly reduces.Directly the reduction lixiviation process has been simplified technology because having avoided the high-temperature roasting program, becomes the important research direction of manganese oxide ore reduction.But because the demand of large-scale industrial production, still there is certain limitation in the lixiviation process that directly reduces, and the slag that soaks that obtains is difficult to handle, so reduction roasting method also is subjected to investigator's favor always, and new progress has been arranged.With the development of Iron And Steel Industry, manganese industry is also flourish, and the Technology of therefrom extracting manganese in the low-grade manganese is also more and more rich and varied, as H
2O
2Lixiviation process, oxalic acid infusion process, glucose lixiviation process, rice bran lixiviation process etc.But all there is certain defective in these methods, do not obtain actual industrial application.Therefore must development of new, the development of efficient, cheap reductive leaching technology, for low-grade manganese oxide ore resource takes full advantage of and electrolytic manganese raw material alternative opened up new technological approaches.
The utility model content
Technical problem to be solved in the utility model provides a kind of production equipment of manganese monoxide breeze, can be raw material with low-grade manganese oxide ore, produce the manganese monoxide breeze and substitute existing manganese carbonate ore as the alternative materials of electrolytic metal Mn and electrolytic manganese dioxide.
The utility model is to solve the problems of the technologies described above the production equipment that the technical scheme that adopts provides a kind of manganese monoxide breeze, the reduction furnace that comprises vertical placement, the top of described reduction furnace arranges automatic distributing machine and material loading scraper plate machine, the bottom of described reduction furnace is provided with heating agent gas burner, and the bottom of described reduction furnace is provided with cooling water tank and discharging scraper plate machine.
The production equipment of above-mentioned manganese monoxide breeze, wherein, described material loading scraper plate machine links to each other by the discharge port of first chapelet and intermediate bin, and the opening for feed of described intermediate bin links to each other with rotary kiln by second chapelet; The opening for feed of described intermediate bin arranges bar screen, and discharge port arranges static grizzly; On the described automatic distributing machine vibratory screening apparatus is set.
The production equipment of above-mentioned manganese monoxide breeze, wherein, described heating agent gas burner links to each other with producer gas generator, described heating agent gas burner is rectangular nozzle, described rectangular nozzle vertically offers rectangular tank, described heating agent gas burner rear side is provided with manual wafer type butterfly valve, and the front side is provided with the sphere hard seal butterfly valve.
The production equipment of above-mentioned manganese monoxide breeze, wherein, the number of described heating agent gas burner is a plurality of, described a plurality of heating agent gas burners are spacedly distributed along circumference in the bottom of reduction furnace.
The production equipment of above-mentioned manganese monoxide breeze, wherein, be provided with spiral reduction tube in the described reduction furnace, be provided with spiral cooling tube in the described cooling water tank, the diameter of described spiral reduction tube and spiral cooling tube is consistent, and the pipe diameter of described spiral reduction tube and spiral cooling tube is 200～400mm.
The utility model contrast prior art has following beneficial effect: the production equipment of the manganese monoxide breeze that the utility model provides, be main raw material with low-grade manganese oxide ore and raw coal, taken full advantage of existing ore resources, realize that at 700-900 ℃ the manganese oxide ore reduction can reach energy saving purposes, the manganese monoxide breeze of producing can be used as the alternative materials of producing electrolytic metal Mn and electrolytic manganese dioxide, has solved the raw material dependence of manganese industry to manganese carbonate ore on the one hand; Secondly the acid consumption of 1 ton of electrolytic manganese of every production can be reduced to below 0.8 ton by original about 3 tons in the original production technology; The 3rd has reduced buying and the transportation cost of manganese carbonate ore, simplifies the removal of impurities flow process simultaneously, significantly reduces the production cost of electrolytic manganese and electrolytic manganese dioxide.
Description of drawings
Fig. 1 is the production equipment structural representation of the utility model manganese monoxide breeze;
Fig. 2 is the technological process of production figure of manganese monoxide breeze among the utility model embodiment.
Among the figure:
1 discharging scraper plate machine, 2 burner blowers, 3 cooling water tanks
4 hand sluice valves, 5 manual wafer type butterfly valve 6 heating agent gas burners
7 sphere hard seal butterfly valves, 8 reduction furnaces, 9 automatic distributing machines
10 material loading scraper plate machines, 11 electronic push-pull valve 12 first chapelets
13 intermediate bins, 14 second chapelets, 15 producer gas generators
16 rotary kilns, 17 centrifugal induced draught fans, 20 gravitational dust collection type chimneys
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
Fig. 1 is the production equipment structural representation of the utility model manganese monoxide breeze.
See also Fig. 1, the production equipment of the manganese monoxide breeze that the utility model provides comprises the reduction furnace 8 of vertical placement, the top of described reduction furnace 8 arranges automatic distributing machine 9 and material loading scraper plate machine 10, the bottom of described reduction furnace 8 is provided with heating agent gas burner 6 and burner blower 2, and the bottom of described reduction furnace 8 is provided with cooling water tank 3 and discharging scraper plate machine 1.The number of described reduction furnace 8 can be for a plurality of, and described a plurality of reduction furnaces 8 are arranged side by side.
The production equipment of the manganese monoxide breeze that the utility model provides, described material loading scraper plate machine 10 can link to each other by the discharge port of first chapelet 12 and intermediate bin 13, and the opening for feed of described intermediate bin 13 links to each other with rotary kiln 16 by second chapelet 14; The opening for feed of described intermediate bin 13 arranges bar screen powder mix is tentatively sieved filtration, and the rod gap is generally more than 100mm; Discharge port arranges the static grizzly powder mix to carry out second time screening and filters, and the size of mesh of static grizzly is preferably less than the rod gap of bar screen; Vibratory screening apparatus is set on the described automatic distributing machine 9 powder mix that enters reduction furnace 8 is carried out last screening filtration, the size of mesh of vibratory screening apparatus is preferably less than 100mm.On the described rotary kiln 16 centrifugal induced draught fan 17 can be set, and link to each other with gravitational dust collection type chimney 20.
The production equipment of above-mentioned manganese monoxide breeze, described heating agent gas burner 6 links to each other with producer gas generator 15, described heating agent gas burner 6 is preferably rectangular nozzle, described rectangular nozzle vertically offers rectangular tank, described heating agent gas burner 6 rear sides are provided with manual wafer type butterfly valve 5, and the front side is provided with sphere hard seal butterfly valve 7; The number of described heating agent gas burner 6 is a plurality of, and described a plurality of heating agent gas burners 6 are spacedly distributed along circumference in the bottom of reduction furnace 8.
The production equipment of above-mentioned manganese monoxide breeze, wherein, be provided with spiral reduction tube in the described reduction furnace 8, be provided with spiral cooling tube in the described cooling water tank 3, the screw diameter of described spiral reduction tube and spiral cooling tube, pitch and pipe diameter are preferably consistent, the screw diameter of described spiral reduction tube and spiral cooling tube is preferably 300～500mm, pitch is preferably 300～400mm, reduction tube is made by refractory materials, bore 200-400mm, preferably, diameter is about 300mm, the pipe diameter of reduction tube and cooling tube is preferably 200～400mm preferably, and diameter is about 300mm.Reduction tube is made by refractory materials.In order to guarantee cooling performance, also can allow the slightly larger in diameter of spiral cooling tube in the diameter of spiral reduction tube.
Fig. 2 is the technological process of production figure of manganese monoxide breeze among the utility model embodiment.
See also Fig. 2, the production method of the manganese monoxide breeze that the utility model provides adopts method of reducing to produce breeze level manganese monoxide raw material, and detailed process is as follows:
The weight percentage of at first selecting manganese for use is 16%～22% low-grade manganese oxide powder; It is the powder mix of 250～350mm that manganese oxide powder and coal can form granularity through jaw crusher earlier, sends rotary kiln 16 drying and forewarms and mixing to then after impact breaker forms the powder mix that granularity is 100～250mm; The manganese oxide powder that comes out in the described rotary kiln 16 and the percent water content of coal powder mix are preferably 0%～10%, and the dried powder mix of mixing is transported to each vertically its top feed mouth of the reduction furnace 8 of placement through the bar screen of intermediate bin 13 opening for feeds, the static grizzly of discharge port and the powder mix that the screening of the vibratory screening apparatus on the automatic distributing machine 9 formation granularity is 20～100mm respectively with material loading scraper plate machine 10.Manganese oxide powder and coal are owing to the effect of gravity, proper motion from top to bottom in reduction tube.
Secondly, obtain coal gas by feed coal in producer gas generator 15 processing backs, the high-temperature fuel gas that this gas burning system produces is through being arranged on low pressure eddy flow heating gas burner 6 spray combustions of reduction furnace bottom, for the reduction of manganese oxide powder provides outside heat.The high-temperature flue gas that burning produces rises at the furnace chamber internal rotation of reduction furnace, and manganese oxide powder is descending naturally from furnace roof.Flue gas/manganese oxide powder has been finished heat exchanging process fully in the antikinesis process, the thermo-efficiency height.At burner interval, temperature of combustion is controlled in 700～900 ℃ of scopes, and maximum combustion temperature must not surpass 1000 ℃, stops up reduction tube with the generation of crossing reduction and melting and reducing of avoiding manganese oxide ore; Preferably, the tail gas that this process produces is recyclable for heating rotary kiln 16, comes preheating oven dry Manganse Dioxide breeze and coal, energy efficient.
Improve reduction efficiency in order to form the spiral flue gas, be unlikely to take place reduction and melting and reducing again, circular high-velocity nozzle commonly used or the flat flame burner brick of hydraucone shape all can not finely be taken into account both.Heating agent gas burner 6 is preferably rectangular nozzle in the utility model, and described rectangular nozzle vertically offers rectangular tank and forms flame relatively uniformly.The number of described heating agent gas burner 6 is a plurality of, described a plurality of heating agent gas burner 6 is spacedly distributed along circumference in the bottom of reduction furnace 8, thereby described a plurality of heating agent gas burner 6 sprays coal gas in turn forms the spiral flue gas, and the gas injection amount of described a plurality of heating agent gas burners 6 and the blanking amount of automatic distributing machine 9 are preferably proportional.
At last, through preheating and the reduction of reduction furnace, the MnO in the manganese oxide ore
2Fully be reduced into MnO, for preventing high temperature oxidation manganese ore reoxidation, the high temperature oxidation manganese ore after the reduction directly enters cooling water tank 3 coolings that are connected with reduction furnace, and cooling water tank 3 is arranged on the reduction furnace bottom, cooled manganese oxide ore makes finished product manganese monoxide breeze through 1 discharging of discharging scraper plate machine; Discharging scraper plate machine 1 is realized discharging continuously automatically over against the spiral cooling tube in the cooling water tank 3; In the present embodiment, spiral cooling tube below also can be provided with airtight hopper and carry out manual discharging.
Also raw coal and manganese oxide powder are in the descending process of reduction tube, and through heat absorption and a series of reduction reactions of analysing heat, fixed carbon wherein is the MnO in the manganese oxide ore
2Fully be reduced into MnO.
Main reaction is as follows:
2C+O
2=2CO
C+O
2=CO
2
2CO+O
2=2CO
2
C+MnO
2=CO+MnO
CO+MnO
2=MnO+CO
2
CH4+2MnO
2=CO
2+2H
2O+2MnO
Though the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (5)
1. the production equipment of a manganese monoxide breeze, it is characterized in that, the reduction furnace (8) that comprises vertical placement, the top of described reduction furnace (8) arranges automatic distributing machine (9) and material loading scraper plate machine (10), the bottom of described reduction furnace (8) is provided with heating agent gas burner (6), and the bottom of described reduction furnace (8) is provided with cooling water tank (3) and discharging scraper plate machine (1).
2. the production equipment of manganese monoxide breeze as claimed in claim 1, it is characterized in that, described material loading scraper plate machine (10) links to each other by the discharge port of first chapelet (12) and intermediate bin (13), and the opening for feed of described intermediate bin (13) links to each other with rotary kiln (16) by second chapelet (14); The opening for feed of described intermediate bin (13) arranges bar screen, and discharge port arranges static grizzly; On the described automatic distributing machine (9) vibratory screening apparatus is set.
3. the production equipment of manganese monoxide breeze as claimed in claim 1, it is characterized in that, described heating agent gas burner (6) links to each other with producer gas generator (15), described heating agent gas burner (6) is rectangular nozzle, described rectangular nozzle vertically offers rectangular tank, described heating agent gas burner (6) rear side is provided with manual wafer type butterfly valve (5), and the front side is provided with sphere hard seal butterfly valve (7).
4. the production equipment of manganese monoxide breeze as claimed in claim 3 is characterized in that, the number of described heating agent gas burner (6) is a plurality of, and described a plurality of heating agent gas burners (6) are spacedly distributed along circumference in the bottom of reduction furnace (8).
5. the production equipment of manganese monoxide breeze as claimed in claim 1, it is characterized in that, described reduction furnace is provided with spiral reduction tube in (8), described cooling water tank is provided with spiral cooling tube in (3), the diameter of described spiral reduction tube and spiral cooling tube is consistent, and the pipe diameter of described spiral reduction tube and spiral cooling tube is 200～400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201877346U CN203212614U (en) | 2013-04-15 | 2013-04-15 | Manganese monoxide mineral powder producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201877346U CN203212614U (en) | 2013-04-15 | 2013-04-15 | Manganese monoxide mineral powder producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203212614U true CN203212614U (en) | 2013-09-25 |
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ID=49202165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201877346U Withdrawn - After Issue CN203212614U (en) | 2013-04-15 | 2013-04-15 | Manganese monoxide mineral powder producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203212614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205584A (en) * | 2013-04-15 | 2013-07-17 | 广西有色金属集团汇元锰业有限公司 | Production device and production method of manganese monoxide mineral powder |
-
2013
- 2013-04-15 CN CN2013201877346U patent/CN203212614U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205584A (en) * | 2013-04-15 | 2013-07-17 | 广西有色金属集团汇元锰业有限公司 | Production device and production method of manganese monoxide mineral powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130925 Effective date of abandoning: 20141001 |
|
| RGAV | Abandon patent right to avoid regrant |