CN208238521U - A kind of rare earth processing oxidation kiln - Google Patents
A kind of rare earth processing oxidation kiln Download PDFInfo
- Publication number
- CN208238521U CN208238521U CN201820557274.4U CN201820557274U CN208238521U CN 208238521 U CN208238521 U CN 208238521U CN 201820557274 U CN201820557274 U CN 201820557274U CN 208238521 U CN208238521 U CN 208238521U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- rotation axis
- fixedly connected
- exchange bar
- kiln
- 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.)
- Expired - Fee Related
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 34
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 32
- 230000003647 oxidation Effects 0.000 title claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 229910002114 biscuit porcelain Inorganic materials 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 235000013312 flour Nutrition 0.000 claims description 2
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000002386 leaching Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 2
- -1 rare earth oxalate Chemical class 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910001122 Mischmetal Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kind of rare earths to process with oxidation kiln, including kiln body, driving mechanism is fixedly connected at the top of kiln body, the output end of driving mechanism is sequentially connected rotation axis by belt, one end of rotation axis is equipped with thermocouple, thermocouple runs through and protrudes into the inside of rotation axis, rotation axis is fixedly connected with helical blade, rotation axis is fixedly connected with several heat-exchanger rigs, heat-exchanger rig includes the first heat exchange bar, second heat exchange bar and brush, rotation axis connection the first heat exchange bar, first heat exchange bar connection the second heat exchange bar, first heat exchange bar is equipped with two groups, the middle section of two group of first heat exchange bar is fixedly connected with the second heat exchange bar, brush is fixedly connected at the top of first heat exchange bar, the utility model structure is concise, installation is simple, helical blade rotation is driven by rotation axis, it can be achieved at the same time and rare earth is pushed to advance and roll, to realize rare earth in kiln well Internal efficient oxidation, oxidation rate is fast, and strikes off kiln lining bur, convenient and efficient by brush.
Description
Technical field
The utility model relates to rare-earth oxidation kiln technical field, specially a kind of rare earth processing oxidation kiln.
Background technique
Rare Earth Mine is mainly attached to the surface layer of other mineral or earth's surface;After using medicament leaching by original place or excavate
Dump leaching can leach complex element therein, reuse medicament to precipitating after the feed liquid stirring of leaching, obtain mischmetal;
It will wherein each simple substance element be separated one by one using extractant;By the oxide for obtaining simple substance after precipitating, calcination;Its processing flow
Mainly: leaching mine, precipitating, extraction, calcination, electrolysis and melting etc.;It can get oxide, metal simple-substance and alloy product etc.;?
In process, need to carry out heated oxide to rare earth, existing rare earth process equipment generallys use chamber type electric resistance furnace;Centrifuge
The rare earth oxalate for sloughing free water is put into flame ware and is placed into chamber type electric resistance furnace;Fire door is closed, be powered heating heating, oxalic acid
Rare earth decomposes by heated drying, then in furnace, is oxidized into rare earth oxide, and fire door is opened after cooling and takes out rare earth;Entire calcination
Process is carried out in closed burner hearth, and since burner hearth is easily adhered rare earth, and material cannot stir, rare earth oxygen in burner hearth
Change atmosphere is bad, and oxidation rate is slow.
Utility model content
The purpose of this utility model is to provide a kind of rare earths to process with kiln is aoxidized, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of rare earth processing oxidation kiln, including kiln
Body, the kiln body are hollow cylindrical body, and its inner wall is fixedly connected with kiln lining, be fixedly connected at the top of the right end of the kiln body into
Material mouth, and its left end bottom is fixedly connected with discharge port, and driving mechanism and exhaust valve, the drive are fixedly connected at the top of the kiln body
The output end of motivation structure is fixedly connected with bearing, the axis by belt transmission connection rotation axis, the both ends side wall of the kiln body
Interference fit rotation axis is held, the rotation axis is hollow cylindrical body, and one end is equipped with thermocouple, and the thermocouple is through simultaneously
The inside of rotation axis is protruded into, the rotation axis is fixedly connected with helical blade, and the rotation axis is fixedly connected with several heat-exchanger rigs,
Several described heat-exchanger rigs equally arrange on the rotating shaft, and the heat-exchanger rig includes the first heat exchange bar, the second heat exchange
Bar and brush, the first heat exchange bar and the second heat exchange bar are hollow structure, the first heat exchange of rotation axis connection bar, described
First heat exchange bar connection the second heat exchange bar, the first heat exchange bar are equipped with two groups, and the middle section of the first heat exchange bar described in two groups is fixed
Connection the second heat exchange bar, the first heat exchange bar top are fixedly connected with brush.
Preferably, the first heat exchange bar is perpendicular to rotation axis, and the angle between the first heat exchange bar described in two groups is in 40-
Within the scope of 50 °.
Preferably, the brush is made of elastic plate and arc panel, and the first heat exchange is fixedly connected on the inside of the elastic plate
Bar, outside are fixedly connected with arc panel, and the arc panel abuts kiln lining.
Preferably, the kiln lining uses three layers of Design on thermal insulation, is followed successively by flame retardant coating, diatomite bisque and frog stone from inside to outside
Bisque.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model structure is concise, installation is simple, drives helical blade rotation by rotation axis, can be achieved at the same time and push away
Dynamic rare earth advances and rolling, to realize rare earth efficient oxidation in kiln body well, oxidation rate is fast, and is struck off by brush
Kiln lining bur, convenient and efficient;
2. the utility model can increase heat exchange area by the first heat exchange bar and the second heat exchange bar, advances and turn over for rare earth
The oxidizing atmosphere of high temperature is provided when rolling, while the second heat exchange bar is that the first heat exchange bar improves enough strength supports, is avoided because dilute
The collision of local product material and cause the first heat exchange rod bending deform;
3. the brush of the utility model is made of elastic plate and arc panel, by the elasticity using elastic plate, arc panel can
To stretch, to effectively strike off the rare earth material adhered on kiln lining.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is Section A-A cross-sectional view in Fig. 1.
In figure: 1 kiln body, 2 feed inlets, 3 discharge ports, 4 driving mechanisms, 5 exhaust valves, 6 rotation axis, 7 bearings, 8 thermocouples, 9
Helical blade, 10 first heat exchange bars, 11 second heat exchange bars, 12 brushes, 13 kiln linings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of rare earth processing oxidation kiln, including kiln body
1, kiln body 1 is hollow cylindrical body, and its inner wall is fixedly connected with kiln lining 13, is fixedly connected with feed inlet at the top of the right end of kiln body 1
2, and its left end bottom is fixedly connected with discharge port 3, the top of kiln body 1 is fixedly connected with driving mechanism 4 and exhaust valve 5, driving mechanism 4
Output end be sequentially connected rotation axis 6 by belt, driving mechanism 4 includes motor and speed reducer, and the output shaft of motor passes through tooth
The output end of the input terminal of wheel transmission connection speed reducer, speed reducer passes through belt transmission connection rotation axis 6.
The both ends side wall of kiln body 1 is fixedly connected with bearing 7, and bearing 7 is interference fitted rotation axis 6, and rotation axis 6 is hollow circle
Cylinder, and one end is equipped with thermocouple 8, thermocouple 8 runs through and protrudes into the inside of rotation axis 6, and rotation axis 6 is fixedly connected with helical-blade
Piece 9, rotation axis 6 are fixedly connected with several heat-exchanger rigs, several heat-exchanger rigs equally arrange in rotation axis 6, heat exchange
Device includes the first heat exchange bar 10, second heat exchange bar 11 and brush 12, and the first heat exchange bar 10 and the second heat exchange bar 11 are hollow
Structure, the connection of rotation axis 6 first heat exchange bar 10, first heat exchange bar 10 connection the second heat exchange bar 11, the first heat exchange bar 10 are equipped with two
Group, the middle section of two group of first heat exchange bar 10 are fixedly connected with the second heat exchange bar 11, are fixedly connected with brush 12 at the top of the first heat exchange bar 10.
Further, the first heat exchange bar 10 is perpendicular to rotation axis 6, and the angle between two group of first bar 10 that exchanges heat is at 40-50 °
It in range, is easily installed, structural strength is big.
Further, brush 12 is made of elastic plate and arc panel, and the first heat exchange bar 10 is fixedly connected on the inside of elastic plate,
Its outside is fixedly connected with arc panel, and arc panel abuts kiln lining 13, and by the elasticity using elastic plate, arc panel can be stretched
Contracting, to effectively strike off the rare earth material adhered on kiln lining 13.
Further, kiln lining 13 uses three layers of Design on thermal insulation, is followed successively by flame retardant coating, diatomite bisque and frog stone from inside to outside
Bisque, flame retardant coating use high alumina brick for 13 refractory ability of kiln lining, and diatomite bisque and frog mountain flour layer are that kiln lining 13 provides heat preservation
Ability.
Working principle: driving rotation axis 6 to be rotated by the driving force of driving mechanism 4, by rare earth raw material from charging
Mouth 2 is put into, and rare earth is fallen in kiln body 1, and according to feed screw principle, helical blade 9 drives rare earth to advance and roll, unlatching
Thermocouple 8, thermocouple 8 work and heat rotation axis 6, mutually interconnected by the heat exchange bar 10 of rotation axis 6, first with the second heat exchange bar 11
Logical hollow structure, the heat exchange bar 10 of rotation axis 6, first and the second heat exchange bar 11 are heated, and are exchanged heat after heating with rare earth, grass
Acid rare earth decomposes by heated drying, then in furnace, is oxidized into rare earth oxide.Pass through the first heat exchange bar 10 and the second heat exchange bar 11
The heat exchange area between rotation axis 6 and rare earth can be increased, advance for rare earth and provide the oxidizing atmosphere of high temperature when rolling, while the
Two heat exchange bars 11 are that the first heat exchange bar 10 improves enough strength supports, avoid leading to the first heat exchange because of the collision of rare earth material
10 bending deformation of bar.Humid air inside kiln body 1 is discharged in external environment by exhaust valve 5, to keep dry in kiln body 1.?
While rotation axis 6 rotates, the rotation of brush 12 will drive, and the arc panel in brush 12 can be to the rare earth object adhered on kiln lining 13
Material is struck off, is cleared up.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of rare earth processing oxidation kiln, including kiln body (1), it is characterised in that: the kiln body (1) is hollow cylindrical body,
And its inner wall is fixedly connected kiln lining (13), is fixedly connected feed inlet (2) at the top of the right end of the kiln body (1), and its left end bottom
Portion is fixedly connected discharge port (3), is fixedly connected with driving mechanism (4) and exhaust valve (5), the driving at the top of the kiln body (1)
The output end of mechanism (4) is sequentially connected rotation axis (6) by belt, and the both ends side wall of the kiln body (1) is fixedly connected with bearing
(7), bearing (7) interference fit rotation axis (6), the rotation axis (6) is hollow cylindrical body, and one end is equipped with thermoelectricity
The inside of rotation axis (6) is run through and protruded into even (8), the thermocouple (8), and the rotation axis (6) is fixedly connected with helical blade
(9), the rotation axis (6) is fixedly connected with several heat-exchanger rigs, between several described heat-exchanger rigs are in equal on rotation axis (6)
Away from arrangement, the heat-exchanger rig includes the first heat exchange bar (10), the second heat exchange bar (11) and brush (12), the first heat exchange bar
(10) and the second heat exchange bar (11) is hollow structure, first heat exchange bar (10) of rotation axis (6) connection, first heat exchange
The second heat exchange bar (11) of bar (10) connection, first heat exchange bar (10) are equipped with two groups, the first heat exchange bar (10) described in two groups
Middle section is fixedly connected with the second heat exchange bar (11), is fixedly connected with brush (12) at the top of first heat exchange bar (10).
2. a kind of rare earth processing oxidation kiln according to claim 1, it is characterised in that: first heat exchange bar (10) is hung down
Directly the angle between rotation axis (6), the first heat exchange bar (10) described in two groups is within the scope of 40-50 °.
3. a kind of rare earth processing oxidation kiln according to claim 1, it is characterised in that: the brush (12) is by elastic plate
It is formed with arc panel, the first heat exchange bar (10) is fixedly connected on the inside of the elastic plate, outside is fixedly connected with arc panel, described
Arc panel abuts kiln lining (13).
4. a kind of rare earth processing oxidation kiln according to claim 1, it is characterised in that: the kiln lining (13) uses three layers
Design on thermal insulation is followed successively by flame retardant coating, diatomite bisque and frog mountain flour layer from inside to outside.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820557274.4U CN208238521U (en) | 2018-04-19 | 2018-04-19 | A kind of rare earth processing oxidation kiln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820557274.4U CN208238521U (en) | 2018-04-19 | 2018-04-19 | A kind of rare earth processing oxidation kiln |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208238521U true CN208238521U (en) | 2018-12-14 |
Family
ID=64583485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201820557274.4U Expired - Fee Related CN208238521U (en) | 2018-04-19 | 2018-04-19 | A kind of rare earth processing oxidation kiln |
Country Status (1)
Country | Link |
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CN (1) | CN208238521U (en) |
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2018
- 2018-04-19 CN CN201820557274.4U patent/CN208238521U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |
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CF01 | Termination of patent right due to non-payment of annual fee |