CN206902215U - Rare earth ore concentrate continuous decomposition equipment - Google Patents
Rare earth ore concentrate continuous decomposition equipment Download PDFInfo
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- CN206902215U CN206902215U CN201720869075.2U CN201720869075U CN206902215U CN 206902215 U CN206902215 U CN 206902215U CN 201720869075 U CN201720869075 U CN 201720869075U CN 206902215 U CN206902215 U CN 206902215U
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- rare earth
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- earth ore
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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
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Abstract
The utility model discloses rare earth ore concentrate continuous decomposition equipment, including：Body, its top have feeding mouth, two filling openings, two offgas outlets, and its bottom has two discharging openings, have soak chamber in its side wall, and soak chamber has insulation liquid entrance and the outlet of insulation liquid；Bidirectional screw oar, bidirectional screw oar are arranged in body and extended along the length direction of body, and bidirectional screw oar includes：Rotating shaft, the first helical blade and the second helical blade, first helical blade is arranged on the first shaft part of rotating shaft, second helical blade is arranged on the second shaft part of rotating shaft, the hand of spiral of the first helical blade it is opposite with the hand of spiral of the second helical blade so as to the first helical blade towards rotating shaft first end discharge and the second helical blade towards rotating shaft the second end discharge；Drive component, it is connected with rotating shaft.It can realize that rare earth ore concentrate high-efficiency and continuous is decomposed using the equipment, it is ensured that the continuous operation of production, and significantly improve the resolution ratio of rare earth ore concentrate.
Description
Technical field
Metallurgical technology field is the utility model is related to, specifically, rare earth ore concentrate continuous decomposition is the utility model is related to and sets
It is standby.
Background technology
Packet header composite ore (composite ore of fluorine carbon cerium mischmetal and monazite) and bastnaesite are the important sets of China's Rare Earth Mine
Into part.The characteristics of for packet header composite ore, the commercial run for handling such ore deposit at present are mainly concentrated sulfuric acid roasting method.The method work
Skill is continuously easy to control, is easy to mass produce, but the method, due to being decomposed at high temperature to composite ore, the thorium in ore deposit is with burnt phosphorus
Sour thorium form enters in slag, causes thorium resources waste and radioactive pollution；And the fluorine-containing and waste gas recovery of sulphur is big using difficulty.Pin
The characteristics of to bastnaesite, current industrial acid hydrolysis method is mainly that oxidizing roasting-hydrochloric acid is excellent molten.This method feature is that investment is small, but
It is discontinuous to there is technique, thorium and fluorine are dispersed in slag and waste water and are difficult to reclaim, the problems such as being polluted to environment.
Therefore, the means of existing processing rare earth ore concentrate still have much room for improvement.
Utility model content
The utility model is that problems with and true discovery are proposed based on inventor：
Inventor has found that existing domestic related scientific research institutes proposes to adopt at present in the research to handling rare earth ore concentrate method
Rare Earth Mine is decomposed with concentrated sulfuric acid low-temperature bake technology, it is reachable in low temperature (150~300 DEG C) condition roasted concentrate, rare earth resolution ratio
More than 95%, and the thorium more than 90% enters leachate, so as to the thorium in effective recovering rare earth ore deposit.However, the technique is current
Rarely have and apply in production, main reason is that rare earth ore concentrate be changed into leather hard with meeting after concentrated sulfuric acid hybrid reaction by pulpous state,
Gradually form porous cake shape material, it is difficult to carry out serialization dynamic and produce.
In consideration of it, the utility model proposes rare earth ore concentrate continuous decomposition equipment.Rare earth essence can be realized using the equipment
Ore deposit high-efficiency and continuous is decomposed, it is ensured that the continuous operation of production, and significantly improve the resolution ratio of rare earth ore concentrate.
In one side of the present utility model, the utility model proposes a kind of rare earth ore concentrate continuous decomposition equipment.According to
Embodiment of the present utility model, the rare earth ore concentrate continuous decomposition equipment include：Body, the bodies top have feeding mouth, two
Individual filling opening, two offgas outlets, the feeding mouth are located at the centre position of the bodies top, described two filling opening difference
Positioned at the both sides of the feeding mouth, described two offgas outlets are located at the both sides of the feeding mouth, the bottom of the body respectively
With two discharging openings, the both ends that described two discharging openings are respectively adjacent to the body are set, and are had in the side wall of the body
Soak chamber, the soak chamber have insulation liquid entrance and the outlet of insulation liquid；Bidirectional screw oar, the bidirectional screw oar are set
Extend in the body and along the length direction of the body, the bidirectional screw oar includes：Rotating shaft, the rotating shaft are divided into
First shaft part and the second shaft part；First helical blade and the second helical blade, first helical blade are arranged on described first
On shaft part, second helical blade is arranged on second shaft part, the hand of spiral of first helical blade with it is described
The hand of spiral of second helical blade is conversely so that first helical blade is towards the first end discharge of the rotating shaft and described
Second end discharge of second helical blade towards the rotating shaft；Drive component, the drive component are connected with the rotating shaft.
Passed through according to the rare earth ore concentrate continuous decomposition equipment of the utility model embodiment rare earth ore concentrate is abundant with the concentrated sulfuric acid
Mixed mixed material is added to equipment by feeding mouth, under the driving of bidirectional screw oar, makes mixed material to equipment
Both ends are moved, while spray industry water or diluted acid to mixed material by filling opening, so that diluting concentrated sulfuric acid produces substantial amounts of heat
And steam, so as to further improve the efficiency of Rare Earth Concentrate Decomposition, on the other hand, can also be led by being passed through into soak chamber
Deep fat or steam to reaction system to be incubated；Further, as the driving of bidirectional screw oar, mixed material are converted into thin
The porous solid formation of pine, so as to further improve the resolution ratio of mixed material middle rare earth concentrate, is finally completed the dilute of acidolysis
Native concentrate is discharged by discharging opening, and caused tail gas from offgas outlet and can be handled in decomposable process.Thus, use this set
It is standby to realize that rare earth ore concentrate high-efficiency and continuous is decomposed, it is ensured that the continuous operation of production, and significantly improve the resolution ratio of rare earth ore concentrate.
It is optional, the length of described two filling openings and the relatively described feeding mouth of described two offgas outlets in the body
Degree is oppositely arranged on direction.
Optional, the filling opening is between the feeding mouth and the offgas outlet, and the neighbouring feeding mouth is set
Put.
Optional, the rare earth ore concentrate continuous decomposition equipment further comprises：Two sparge pipes, described two sparge pipe water
It is flat to be arranged on the intrinsic top and be connected with the filling opening, there are multiple fluid holes on the sparge pipe.
Optional, the sparge pipe is set on the width of the body.
Optional, the multiple fluid hole is located at the bottom of the sparge pipe.
Optional, the bidirectional screw oar is two and be arranged in parallel.
Optional, the drive component includes：Gear, the gear are connected with the rotating shaft of two bidirectional screw oars,
Decelerator, the decelerator are connected by shaft coupling with the gear；Motor, the motor are connected with the decelerator.
Optional, the rare earth ore concentrate continuous decomposition equipment further comprises：Multiple temperature measuring elements, the multiple thermometric are set
In the side wall of the body.
Optional, the multiple temperature measuring element is arranged equally spaced in two side walls on the length direction of the body.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the rare earth ore concentrate continuous decomposition device structure schematic diagram according to the utility model one embodiment；
Fig. 2 is the rare earth ore concentrate continuous decomposition device structure schematic diagram according to the utility model further embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " axial direction ",
The orientation or position relationship of the instructions such as " radial direction ", " circumference " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description, rather than indicate or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, limited unless otherwise clear and definite.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In one side of the present utility model, the utility model proposes a kind of rare earth ore concentrate continuous decomposition equipment.According to
Embodiment of the present utility model, the rare earth ore concentrate continuous decomposition equipment include：Body 100, bidirectional screw oar 200 and drive component
300。
Retouched in detail according to the rare earth ore concentrate continuous decomposition equipment of the utility model embodiment below with reference to Fig. 1~2 pair
State：
According to embodiment of the present utility model, the top of body 100 has the tail of filling opening 102, two of feeding mouth 101, two
Gas outlet 103, feeding mouth 101 are located at the centre position at the top of body 100, and two filling openings 102 are respectively positioned at feeding mouth 101
Both sides, two offgas outlets 103 are located at the both sides of feeding mouth 101 respectively, and the bottom of body 100 has two discharging openings 104, and two
The both ends that individual discharging opening 104 is respectively adjacent to body 100 are set.Thus, rare earth ore concentrate obtains after fully mixed with the concentrated sulfuric acid
Mixed material can by feeding mouth 101 enter equipment body 100, under the driving of bidirectional screw oar 200, mixed material to
Two end motions on the length direction of body 100, while industry water or diluted acid are sprayed into body by filling opening 102, to make
Diluting concentrated sulfuric acid heat release in mixed material, accelerate acidolysis reaction, so that mixed material is into equipment both ends motion process
Complete decomposition to rare earth ore concentrate, and from two device for transferring of discharging opening 104 for being separately positioned on the bottom both ends of body 100, instead
Tail gas caused by answering can be by the device for transferring of offgas outlet 103.
According to specific embodiment of the utility model, two filling openings 102 and two offgas outlets 103 are with respect to feeding mouth
101 are oppositely arranged on the length direction of body 100.
According to specific embodiment of the utility model, filling opening 102 between feeding mouth 101 and offgas outlet 103, and
Neighbouring feeding mouth 101 is set.
According to embodiment of the present utility model, also there is soak chamber (not shown in accompanying drawing) in the side wall of body 100, protect
Warm chamber has insulation liquid entrance 105 and insulation liquid outlet 106, thus, it is possible to by supplied into soak chamber conduction oil or
Vapours is carried out so that the mixture in body 100 is incubated or heated so as to further improve Rare Earth Concentrate Decomposition reaction
Efficiency.
According to embodiment of the present utility model, bidirectional screw oar 200 is arranged in body 100 and along the length of body 100
Side upwardly extends, and bidirectional screw oar 200 includes：Rotating shaft 210, the first helical blade 220 and the second helical blade (do not show in accompanying drawing
Go out), rotating shaft 210 divides for the first shaft part (not shown in accompanying drawing) and the second shaft part (not shown in accompanying drawing)；First helical blade 220
It is arranged on the first shaft part, the second helical blade is arranged on the second shaft part, the hand of spiral of the first helical blade and the second spiral shell
The hand of spiral of vane piece is conversely so that the first helical blade turns towards the first end discharge of rotating shaft and the second helical blade direction
Second end discharge of axle；Thus, it is possible to make the mixed material motion to the both ends of body simultaneously added from feeding mouth 101, from
And further improve the efficiency that Rare Earth Concentrate Decomposition reaction is carried out.
According to specific embodiment of the utility model, bidirectional screw oar 200 is two and be arranged in parallel, thus, it is possible to enter
One step improves the efficiency that Rare Earth Concentrate Decomposition reaction is carried out.
According to embodiment of the present utility model, drive component 300 is connected with rotating shaft 210, to drive bidirectional screw oar 200
Rotate.
According to specific embodiment of the utility model, drive component 300 includes gear 310, decelerator 320, shaft coupling 330
With motor 340.Gear 310 is connected with the rotating shaft 210 of two bidirectional screw oars 200, and decelerator 320 passes through shaft coupling 330 and tooth
Wheel 310 is connected；Motor 340 is connected with decelerator 320.
According to embodiment of the present utility model, above-mentioned rare earth ore concentrate continuous decomposition equipment can further include：Two
Sparge pipe 400, top that two sparge pipes 400 are horizontally set in body 100 and is connected with filling opening 102, on sparge pipe 400
With multiple fluid holes 410, thus, it is possible to sprayed the industry water or diluted acid that are added by filling opening by sparge pipe, from
And further improve the efficiency that Rare Earth Concentrate Decomposition reaction is carried out.
According to specific embodiment of the utility model, sparge pipe 400 can be set on the width of body 100, by
This, can further improve the efficiency that Rare Earth Concentrate Decomposition reaction is carried out.
According to specific embodiment of the utility model, multiple fluid holes 410 are located at the bottom of sparge pipe 400.
According to embodiment of the present utility model, above-mentioned rare earth ore concentrate continuous decomposition equipment can further include：It is multiple
Temperature measuring element 500, multiple temperature measuring elements 500 are arranged in the side wall of body 100, thus, it is possible to detect incubation cavity by temperature measuring element 500
Room and the temperature of body interior.
According to specific embodiment of the utility model, multiple temperature measuring elements 500 can be arranged equally spaced at the length of body 100
Spend in two side walls on direction.
According to embodiment of the present utility model, in body, contact zone, ripe can be divided into by feeding mouth to discharging opening direction
Change area, roast area and the virtual region of disintegrating area four.Mixed material can contact in contact zone with industry water or diluted acid, therein
Diluting concentrated sulfuric acid, which produces substantial amounts of heat and steam, the heat discharged, can accelerate the decomposition reaction of rare earth ore concentrate and the concentrated sulfuric acid,
So that mixed material is expanded to leather hard material by pulpous state, with the driving of bidirectional screw oar, half dry material enters curing area, enters
And conduction oil or vapours are added into soak chamber by being incubated liquid entrance, the temperature of corresponding region in body is increased to
130~210 DEG C (temperature automatically adjusts after being determined by temperature measuring element), to accelerate the slaking reaction of rare earth ore concentrate and the concentrated sulfuric acid, warp
After slaking reaction, half-dried mass transfer is porous dryness material, and with the shear action of bidirectional screw oar, dryness material is by bulk
It is changed into powdered and enters roast area, while adjust the temperature to 250~280 DEG C, powder material is continued deep decomposition, double
To under the agitation repeatedly of propeller, powder material can further thermally equivalent be to shorten the reaction time, and then with material
Motion, the solid formation of generation have loose porous characteristic, it is possible thereby to the acidolysis rate of rare earth ore concentrate is further improved, final
Discharged to acid hydrolysate by discharging opening, the tail gas produced in reaction is discharged by offgas outlet and is used to reclaim valuable fluorine element.By
This, the mixing in rare earth ore concentrate acid hemolysis process can be avoided uneven for rare earth ore concentrate continuous decomposition equipment of the present utility model and office
Portion's agglomeration, effectively utilize diluting concentrated sulfuric acid and put the heat that car is produced, and realize continuous point of rare earth ore concentrate and sulfuric acid
Solution, it is ensured that production is carried out continuously.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
- A kind of 1. rare earth ore concentrate continuous decomposition equipment, it is characterised in that including：Body, the bodies top have feeding mouth, two filling openings, two offgas outlets, and the feeding mouth is located at described Centre position at the top of body, described two filling openings are located at the both sides of the feeding mouth, described two offgas outlet difference respectively Positioned at the both sides of the feeding mouth, the bottom of the body has two discharging openings, and described two discharging openings are respectively adjacent to described The both ends of body are set, and have soak chamber in the side wall of the body, and the soak chamber has insulation liquid entrance and insulation Liquid exports；Bidirectional screw oar, the bidirectional screw oar are arranged in the body and extended along the length direction of the body, institute Stating bidirectional screw oar includes：Rotating shaft, the rotating shaft are divided into the first shaft part and the second shaft part；First helical blade and the second helical blade, first helical blade are arranged on first shaft part, and described second Helical blade is arranged on second shaft part, the hand of spiral of first helical blade and the spiral shell of second helical blade Rotation is in the opposite direction so as to first end discharge of first helical blade towards the rotating shaft and the second helical blade direction Second end discharge of the rotating shaft；Drive component, the drive component are connected with the rotating shaft.
- 2. rare earth ore concentrate continuous decomposition equipment according to claim 1, it is characterised in thatDescribed two filling openings and the relatively described feeding mouth phase on the length direction of the body of described two offgas outlets To setting.
- 3. rare earth ore concentrate continuous decomposition equipment according to claim 2, it is characterised in that the filling opening enters described in Between material mouth and the offgas outlet, and the neighbouring feeding mouth is set.
- 4. rare earth ore concentrate continuous decomposition equipment according to claim 1, it is characterised in that further comprise：Two sparge pipes, described two sparge pipes are horizontally set on the intrinsic top and are connected with the filling opening, institute Stating has multiple fluid holes on sparge pipe.
- 5. rare earth ore concentrate continuous decomposition equipment according to claim 4, it is characterised in that the sparge pipe is in the body Width on set.
- 6. rare earth ore concentrate continuous decomposition equipment according to claim 5, it is characterised in that the multiple fluid hole is located at institute State the bottom of sparge pipe.
- 7. rare earth ore concentrate continuous decomposition equipment according to claim 1, it is characterised in that the bidirectional screw oar is two And it be arranged in parallel.
- 8. rare earth ore concentrate continuous decomposition equipment according to claim 7, it is characterised in that the drive component includes：Gear, the gear are connected with the rotating shaft of two bidirectional screw oars,Decelerator, the decelerator are connected by shaft coupling with the gear；Motor, the motor are connected with the decelerator.
- 9. rare earth ore concentrate continuous decomposition equipment according to claim 1, it is characterised in that further comprise：Multiple temperature measuring elements, the multiple temperature measuring element are arranged in the side wall of the body.
- 10. rare earth ore concentrate continuous decomposition equipment according to claim 9, it is characterised in that between the multiple temperature measuring element etc. It is arranged on away from ground in two side walls on the length direction of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869075.2U CN206902215U (en) | 2017-07-17 | 2017-07-17 | Rare earth ore concentrate continuous decomposition equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720869075.2U CN206902215U (en) | 2017-07-17 | 2017-07-17 | Rare earth ore concentrate continuous decomposition equipment |
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| Publication Number | Publication Date |
|---|---|
| CN206902215U true CN206902215U (en) | 2018-01-19 |
Family
ID=61311835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720869075.2U Active CN206902215U (en) | 2017-07-17 | 2017-07-17 | Rare earth ore concentrate continuous decomposition equipment |
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| CN (1) | CN206902215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287457A (en) * | 2017-07-17 | 2017-10-24 | 中国恩菲工程技术有限公司 | Rare earth ore concentrate continuous decomposition equipment |
-
2017
- 2017-07-17 CN CN201720869075.2U patent/CN206902215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287457A (en) * | 2017-07-17 | 2017-10-24 | 中国恩菲工程技术有限公司 | Rare earth ore concentrate continuous decomposition equipment |
| WO2019015518A1 (en) * | 2017-07-17 | 2019-01-24 | 中国恩菲工程技术有限公司 | Apparatus for continuous decomposition of rare earth concentrate |
| CN107287457B (en) * | 2017-07-17 | 2023-01-13 | 中国恩菲工程技术有限公司 | Continuous decomposition equipment for rare earth concentrate |
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