CN202925046U - Separate container for producing titanium-enriched material - Google Patents
Separate container for producing titanium-enriched material Download PDFInfo
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- CN202925046U CN202925046U CN 201220605711 CN201220605711U CN202925046U CN 202925046 U CN202925046 U CN 202925046U CN 201220605711 CN201220605711 CN 201220605711 CN 201220605711 U CN201220605711 U CN 201220605711U CN 202925046 U CN202925046 U CN 202925046U
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- container
- ilmenite
- inner liner
- base plate
- titanium material
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Abstract
The utility model discloses a separate container for producing a titanium-enriched material. The separate container consists of a tray and an upper cover, wherein the tray comprises a bottom plate used for accommodating an ilmenite pressing block, a lower heat insulation cover coated on the bottom plate, and a supporting plate connected to the bottom of the lower heat insulation cover; the upper cover comprises a container liner which is arranged on the bottom plate and can cover the ilmenite pressing block, an upper heat insulation cover coated on the container liner, and a bracket which penetrates through the upper heat insulation cover from exterior to interior and is connected with the container liner; and high-temperature-resistant wave-transparent coatings are respectively arranged between the bottom plate and the lower heat insulation cover and between the container liner and the upper heat insulation cover. The separate container is wave-transparent, high-temperature resistant and heat-insulating, a microwave kiln and the separate container are utilized in the method for producing the rich-titanium material, and the mode of indirectly heating the traditional kiln is ingeniously avoided, so that the material-resistant and heat insulation process of the kiln is simple.
Description
Technical field
The utility model relates to a kind of container that rich titanium material is used for preparing.
Background technology
Along with the titanium industrial expansion, the natural rutile resource that the titanium grade is higher is increasingly exhausted, and this just forces people to develop the abundant ilmenite resource of reserves.Because ilmenite titanium grade is low, be directly used in that the titanium industrial production can occur that efficient is low, long flow path, " three wastes " amount are large, the high in cost of production problem, so generally all need preconcentration to become high-grade rich titanium material-titanium slag or artificial rutile, and then be used for the titanium industrial production.Therefore, the ilmenite of research high-efficient energy-saving environment friendly is produced rich titanium material method and is had very important meaning for the titanium industrial expansion.
The traditional method of producing rich titanium material is mostly to belong to carbothermic reduction reaction, namely first use traditional microwave kiln or high-power mineral hot furnace that ilmenite and various carbonaceous and binder mixtures are smelted into liquid, make the iron oxide reduction in ilmenite become molten iron, realize separating of titanium and iron, thereby obtain rich titanium material.This method is because be high-temperature service, and need to add in a large number such as additives such as pitch cokes, so easily cause atmospheric pollution, simultaneously there is no enough market competitivenesss because energy consumption is too high, the pressure and the national energy-saving that are subject at present environmental protection reduce discharging the urgent and on the verge of being replaced of policy.
The utility model content
The purpose of this utility model is to provide a kind of autonomous container that rich titanium material is used of producing, and solve traditional technical problem that rich titanium preparation method for material is seriously polluted, energy consumption is high.
for achieving the above object, the utility model adopts following technical scheme: a kind ofly produce the autonomous container that rich titanium material is used, it is characterized in that: formed by pallet and upper cover two portions, described pallet comprises places the base plate that the ilmenite briquetting is used, wrap in the bottom muff on base plate, and the supporting plate that is connected to muff bottom, bottom, described upper cover comprises the container inner liner that is placed on base plate and can covers the ilmenite briquetting, wrap in the top muff on container inner liner, and the ecto-entad carriage that passes the top muff and be connected with container inner liner, between described base plate and bottom muff, be equipped with the high temperature resistant wave-permeable coating between container inner liner and top muff.
The horizontal cross sectional geometry of described container inner liner and base plate can be square, and the length of side of the horizontal section of container inner liner is less than the length of side of the horizontal section of base plate.
The horizontal cross sectional geometry of described container inner liner and base plate also can be circle, and the diameter of the horizontal section of container inner liner is less than the diameter of the horizontal section of base plate.
The vertical cross-section shape of described container inner liner can be convex shape.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model is the microwave reduction container, and its feature is, 1, adopted rational design, shared the burden of the anti-material of traditional kiln, and break the whole up into parts; 2, maintenance service only relates to the autonomous container that the rich titanium material of production is used, so become very simple; 3, the most important thing is, produce autonomous container wave transparent, high temperature resistant, insulation that rich titanium material is used, especially has good heat-insulating property, so the capacity usage ratio of the autonomous container inside that produces that rich titanium material uses improves greatly, not only energy-conservation, simultaneously can realize being rapidly heated, guarantee best metallurgical atmosphere, lay a good foundation for obtaining desirable rich titanium material.
The method of using the utility model to prepare rich titanium material is a kind of titanium dioxide process of enriching, also can make the microwave method solid state reduction produce rutile technique, with respect to traditional pyrogenic process, wet method, larger difference is arranged.The method that use the utility model prepares rich titanium material belongs to early stage (700 ℃) and relies on pyrolysis gas to comprise the reduction of hydrogen, alkanes (uncombined carbon and hydrogen that the alkanes cracking produces) on reduction mechanism, and just the direct-reduction of carbon can occur latter stage.Take the direct-reduction of carbon as main, do not compare with the carbothermic reduction in conventional art, essential distinction is arranged on principle.
In use the utility model prepares the method for rich titanium material, utilized microwave kiln and the utility model, avoided dexterously the mode of traditional kiln indirect heating, make the anti-material of kiln and heat preservation method become very simple.
In use the utility model prepares the method for rich titanium material, utilized microwave kiln and the utility model, also adopted simultaneously new reduction mechanism, so not only atmospheric pollution is little, and energy consumption is low.
the ultimate principle of using the utility model to prepare the method for rich titanium material is, the ilmenite briquetting that will contain ilmenite powder is placed in the autonomous container that the rich titanium material of production of can wave transparent and can be incubated uses, then pass through the microwave kiln of continuous operation, make the ilmenite briquetting be given energy by microwave, take full advantage of simultaneously the strong wave absorbtion of ilmenite and the wave transparent heat-insulating property of the autonomous container that the rich titanium material of production is used, with the microwave energy maximum using, and build best metallurgical reduction gas atmosphere, realize continuous microwave kiln autonomous container internal solid reduced ilmenite briquetting, utilize at last the fe in hydrolysis method removal (restoring) ilmenite briquetting, realize that the ferrotianium separation obtains rich titanium material, or even artificial rutile (needing further roasting to obtain).
From integrated artistic, the operational path that uses the utility model to prepare the method for rich titanium material also has essential distinction with traditional preparation method.The method of using the utility model to prepare rich titanium material is a kind of airtight operation of producing the autonomous container that rich titanium material uses of having used, its step is the Microwave Heating ilmenite briquetting (whole process is to carry out on continuous rollgang) that first (having the sealed thermal insulating environment), dependence are come in thoroughly in the autonomous container that the rich titanium material of production is used, after heating, the ilmenite briquetting falls wherein fe through magnetic separation and in hydrolysis separating tank internal corrosion again, last residuum is rich titanium material (after the further roasting of rich titanium material, can also obtain artificial rutile).
When using the utility model to prepare rich titanium material, do not need huge pelletizing manufacturing system (being again the pelletizing sintering system), do not need to add carbon element yet and replenish, but adopted the ilmenite briquetting.The formula of ilmenite briquetting and shape and pressing process, all be essentially different with traditional pelletizing, so method described in the utility model has been avoided the huge pelletizing manufacturing system (being the pelletizing sintering system) of setting up in order to improve metallurgical performance in the traditional technology, has simplified production process.
When using the utility model to prepare rich titanium material, adopted the ilmenite briquetting, because metallurgy environment and the atmosphere of ilmenite briquetting inside are good.The ilmenite briquetting is continuous production, and must could satisfy processing requirement by continuous operation in the microwave kiln.
When using the utility model to prepare rich titanium material, for the mineral of ilmenite not limited, can use all sea sand ore deposits.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is the main TV structure schematic diagram of microwave kiln.
Fig. 2 is that schematic diagram is looked on the right side of Fig. 1.
Fig. 3 is the schematic diagram that rollgang coordinates with the kiln body.
Fig. 4 is that the master who produces the autonomous container that rich titanium material uses looks schematic diagram.
Fig. 5 is the schematic top plan view of Fig. 4.
Fig. 6 is the schematic diagram of A-A section in Fig. 4.
Reference numeral: 1-kiln body, the 2-magnetron, the 3-opening for feed, the 4-discharge port, the 5-rollgang, 6-roller-way drive-motor, the 7-heat preservation protective layer, the 8-water-cooling sandwich, 9-kiln body support frame, 10-transformer and attached electric elements, the 11-smoke discharging pipe, 12-produces the autonomous container that rich titanium material is used, 13-ilmenite briquetting, the 14-base plate, 15-bottom muff, 16-high temperature resistant wave-permeable coating, the 17-supporting plate, the 18-container inner liner, 19-top muff, the 20-carriage.
Embodiment
referring to Fig. 4-6, in the present embodiment, producing the autonomous container 12 that rich titanium material uses is comprised of pallet and upper cover two portions, described pallet comprises places the base plate 14 that the ilmenite briquetting is used, wrap in the bottom muff 15 on base plate 14, and the supporting plate 17 that is connected to muff bottom, bottom, described upper cover comprises the container inner liner 18 that is placed on base plate 14 and can covers ilmenite briquetting 13, wrap in the top muff 19 on container inner liner 18, and the ecto-entad carriage 20 that passes top muff 19 and be connected with container inner liner 18, between described base plate 14 and bottom muff 15, be equipped with high temperature resistant wave-permeable coating 16 between container inner liner 18 and top muff 19.In the present embodiment, the vertical cross-section of container inner liner 18 is shaped as convex shape.
In the present embodiment, the horizontal cross sectional geometry of container inner liner 18 and base plate 14 is square, and the length of side of the horizontal section of container inner liner 18 is less than the length of side of the horizontal section of base plate 14.In other embodiments, can also be that the horizontal cross sectional geometry of container inner liner 18 and base plate 14 is circle, and the diameter of the horizontal section of container inner liner 18 be less than the diameter of the horizontal section of base plate 14.
The autonomous container that the rich titanium material of described production is used is particular design, and its design is most important, and it is the separate unit of production line cocycle.at first, produce the autonomous container employing is high temperature resistant and wave transparent is very capable material making container inner liner 18 and base plate 14 that rich titanium material is used, container inner liner 18 and base plate 14 can be used as the protective layer that bears temperature of reaction, secondly, brushed one deck protective cover outside container inner liner 18 and base plate 14, it is high temperature resistant wave-permeable coating 16, made by lagging materials such as rock wools at the outer covering of high temperature resistant wave-permeable coating 16 certain thickness top muff 19 and bottom muff 15(again), this structure makes the ilmenite briquetting fully reduce as much as possible scattering and disappearing of energy after microwave energy absorbing just, greatly improved the utilization ratio of energy, described high temperature resistant wave-permeable coating 16 can prevent that container inner liner 18 from damaging top muff 19 because temperature is too high, prevent that base plate 14 from damaging bottom muff 15 because temperature is too high, at last, use the carriage 20(of integrated steel also can be framework) container inner liner 18 and top muff 19 are connected into independently individuality of a cover, mechanical manipulator by designed, designed coordinates carriage 20 taking and placing container inner liners 18, can realize the automated handling material, forms continuously and produces.
Referring to Fig. 1, produce autonomous container 12 wave transparents that rich titanium material uses, high temperature resistant, insulation, to produce autonomous container 12 ISNs that rich titanium material uses and be placed with ilmenite briquetting 13, each is produced the autonomous container 12 that rich titanium material uses and is independently individuality, complete independently reduction reaction.Produce the autonomous container 12 that rich titanium material uses and be placed on rollgang 5, according to the desin speed operation, autonomous container 12 can keep the reasonable distance continuous operation under the driving of rollgang 5.
The method that the autonomous container that the rich titanium material of the above-mentioned production of this application is used is produced rich titanium material, its step is as follows.
In step 1, in the early stage of heating, in the ilmenite briquetting, following principal reaction: C can occur
2H
6→ C
2H
4+ H
2, C
2H
4→ CH
4+ C, CH
4→ C+2H
2, FeO+n
2H
2→ Fe+H
2O+ (n
2-1) H
2In the later stage of heating, in the ilmenite briquetting, Fe can occur
xO
yThe reaction of+C (cracking carbon) → Fe+CO.
Step 3, pulverulent material is risen in air float separator, remove the micro mist more than 200 orders in pulverulent material (main component of the micro mist that 200 orders are above is the residuum after reductive agent and the burning of ilmenite briquetting) with air float separator.
Step 4, will through the pulverulent material after selection by winnowing again through three grades of magnetic separation, obtain Magnetic Materials.
The material of emitting in step 6, hydrolytic decomposition pot separates through six grades of cyclone separators and cleans, and is then dry, obtains at last iron-holder≤1%(weight percent) rich titanium material.
In the present embodiment, ilmenite briquetting 13 mainly forms (total amount is 100%) by following raw materials by weight.
Ilmenite powder 78.5%～82.5%(decides according to all iron content in ilmenite, and content is high to be removed the limit, and content hangs down capping); Coal dust 10%～14%(decides according to all iron content in ilmenite, the high capping of content, content is low to be removed the limit); Borax 3%～4%(requires can not deliquescence, caking or weathering); NaCl0.5%～1.5%(requires can not deliquescence, caking or weathering); Iron oxide red 1.0%～1.5%; Iron powder 0.5%; In above-mentioned weight percent, the weight percent of the weight percent+coal dust of ilmenite powder need guarantee that also the weight percent of the weight percent+iron powder of weight percent+iron oxide red of the weight percent+NaCl of borax also need guarantee between 5.0%～7.5% between 92.5%～95%.
Described coal dust is reductive agent, and borax, NaCl, iron oxide red and iron powder are additive.
In the present embodiment, the granularity of ilmenite is 70 orders～200 orders, moisture content≤0.5%.Fe in iron oxide red
2O
3Content 〉=97%, moisture content＜1%.The content of the iron in iron powder＞98%, the non-corroding caking, granularity is 100 orders～200 orders.
The generation of above proportioning comes from the molten brazing of oxygen common in production, people are accustomed to using the mixture of borax and salt to be sprinkling upon the molten metal surface of high temperature, make the metallic surface of high-temperature fusion remain cleaning and not oxidized, this is very great for the fe effect that restores in the solid state reduction process in the utility model, can keep its surfactivity, for the complete diffusion reaction that iron crystal stock and ore particle inside occur as early as possible provides assurance, avoided causing metallurgical atmosphere variation because of the covering of selective oxidation and impurity.
Following table is the result that the proportioning of different embodiment records in the laboratory.In table, data are weight percentage.Result described in table was used 10% salt acid soak 10 minutes after being ilmenite briquetting process above-mentioned steps one to four, and then the TiO that obtains is chemically examined in oven dry
2Content (because above-mentioned steps five and step 6 are the steps of large-scale industrial production, so in order to record TiO in the laboratory
2Content, need to adopt 10% salt acid soak 10 minutes, then the method for oven dry chemical examination is surveyed TiO
2Content, this experimental technique is substantially the same with the effect of above-mentioned steps five and step 6).
The making step of described ilmenite briquetting 13 is as follows: a, ilmenite powder and reductive agent (coal dust), additive (borax, NaCl, iron oxide red and iron powder) are mixed in proportion resulting mixture, add again amount of the mixture 5%(weight percent) water, then stirred in stirrer 5～15 minutes; B, the material that will mix are pressed into briquetting with certain thickness brick shape (thickness of briquetting and the penetrativity of microwave are complementary, and are as the criterion fully with the sufficient reacting that can guarantee briquetting inside) under pressing machine (such as the pressing machine of 30Mpa); C, at briquetting surface spraying water-based graphite coating, then dried 10～20 minutes under the condition of 80 ℃～120 ℃.For the process that makes the compacting briquetting becomes easier to be better, make the forming effect of ilmenite briquetting better, can also add again the binding agent of trace in the mixture that is mixed in proportion, such as wilkinite, but it is minimum that content should control to, and guarantees that the dry strength of briquetting gets final product.
Adopt the step of high pressure compacting and surface spraying water-based graphite coating, can make the inside of ilmenite briquetting have good metallurgy environment and atmosphere, avoid the huge pelletizing sintering system of setting up in order to improve metallurgical performance in the traditional technology, simplified production process.In addition, the ilmenite briquetting of standard geometrical shapes is also for realizing that mechanize is produced continuously and the accumulating of material is provided convenience.
Referring to Fig. 1-3, in the present embodiment, described microwave kiln includes kiln body 1, magnetron 2, rollgang 5, roller-way drive-motor 6 and transformer and attached electric elements 10, described kiln body 1 arranged transversely also is placed on kiln body support frame 9, two ends one end of kiln body 1 is provided with opening for feed 3, the other end is provided with discharge port 4, the top of kiln body 1 is communicated with smoke discharging pipe 11, and the inwall of kiln body 1 is provided with heat preservation protective layer 7, and the outer wall of kiln body 1 is provided with water-cooling sandwich 8.
The structure of described kiln body 1 is by a large amount of experiments and produces checking: kiln body inwall brushing protective material (being heat preservation protective layer 7), the external wall of kiln are set up recirculated water cooling cover (being water-cooling sandwich 8).Described transformer and attached electric elements 10(comprise the elements such as high-tension transformer, electric capacity, diode etc.) be placed in that kiln is external, on the kiln body support frame 9 of the kiln body left and right sides, namely be designed into the position of separating with kiln body 1, can avoid the interference of kiln temperature.Described magnetron 2 is arranged on that kiln is external, the left and right sides of kiln body, and magnetron 2 by opening for feed to discharge port direction multiple spot dense distribution, what namely magnetron 2 adopted is the form of small power multiple spot dense distribution, more satisfactory to whole reduction reaction.
Referring to Fig. 1, Fig. 3, the type of transmission of microwave kiln is rollgang 5(steel roller-way) the adjustable speed operation, rollgang 5 is loops of a closure, rollgang 5 constantly turns round, can realize the mode of production of continuous reduced ilmenite, simultaneously, the discharge port end at kiln body 1 can arrange mechanical manipulator, the automatization of realization loading and unloading material.
Claims (4)
1. produce the autonomous container (12) that rich titanium material is used for one kind, it is characterized in that: formed by pallet and upper cover two portions, described pallet comprises places the base plate (14) that the ilmenite briquetting is used, wrap in the bottom muff (15) on base plate (14), and the supporting plate (17) that is connected to muff bottom, bottom, described upper cover comprises the container inner liner (18) that is placed on base plate (14) upward and can covers the ilmenite briquetting, wrap in the top muff (19) on container inner liner (18), and the ecto-entad carriage (20) that passes top muff (19) and be connected with container inner liner (18), between described base plate (14) and bottom muff (15), be equipped with high temperature resistant wave-permeable coating (16) between container inner liner (18) and top muff (19).
2. the autonomous container used of the rich titanium material of production according to claim 1, it is characterized in that: the horizontal cross sectional geometry of described container inner liner (18) and base plate (14) is square, and the length of side of the horizontal section of container inner liner (18) is less than the length of side of the horizontal section of base plate (14).
3. the autonomous container used of the rich titanium material of production according to claim 1, it is characterized in that: the horizontal cross sectional geometry of described container inner liner (18) and base plate (14) is circle, and the diameter of the horizontal section of container inner liner (18) is less than the diameter of the horizontal section of base plate (14).
4. the autonomous container used of the rich titanium material of production according to claim 1, it is characterized in that: the vertical cross-section of described container inner liner (18) is shaped as convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605711 CN202925046U (en) | 2012-11-16 | 2012-11-16 | Separate container for producing titanium-enriched material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220605711 CN202925046U (en) | 2012-11-16 | 2012-11-16 | Separate container for producing titanium-enriched material |
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| Publication Number | Publication Date |
|---|---|
| CN202925046U true CN202925046U (en) | 2013-05-08 |
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ID=48215029
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220605711 Expired - Fee Related CN202925046U (en) | 2012-11-16 | 2012-11-16 | Separate container for producing titanium-enriched material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925667A (en) * | 2012-11-16 | 2013-02-13 | 山东永鑫能源集团有限公司 | Independent container for producing rich-titanium material and preparation method of rich-titanium material with independent container |
-
2012
- 2012-11-16 CN CN 201220605711 patent/CN202925046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925667A (en) * | 2012-11-16 | 2013-02-13 | 山东永鑫能源集团有限公司 | Independent container for producing rich-titanium material and preparation method of rich-titanium material with independent container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |