CN107449279A - A kind of electrical kiln for calcination high purity rare earth oxides - Google Patents
A kind of electrical kiln for calcination high purity rare earth oxides Download PDFInfo
- Publication number
- CN107449279A CN107449279A CN201710572953.9A CN201710572953A CN107449279A CN 107449279 A CN107449279 A CN 107449279A CN 201710572953 A CN201710572953 A CN 201710572953A CN 107449279 A CN107449279 A CN 107449279A
- Authority
- CN
- China
- Prior art keywords
- electrical kiln
- calcination
- main body
- rare earth
- high purity
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The present invention relates to a kind of electrical kiln for calcination high purity rare earth oxides, including brandreth, electrical kiln main body, heater, pushing structure, insulation material and temperature control device, the electrical kiln main body is made up of special form brick and light-weight brick, a calcination cavity is formed, the special form brick position is provided with multiple through holes and is used to install heater；The pushing structure includes bottom plate, top plate, push pedal and multiple balls, and the push pedal is placed in above bottom plate and slided by ball on bottom plate；The heater is multiple Elemas, and multiple Elemas are each passed through the through hole and are located between top plate, special form brick between bottom plate, special form brick；On the outside of the insulation material cladding electrical kiln main body.Structure of the present invention is novel, is heated using high-density silicon carbon-point, and three groups of multiple Elemas point use Y-connection 380V voltages so that electric energy is greatlyd save in heating process, greatlys save production cost, is worth promoting.
Description
Technical field
The present invention relates to a kind of calcination electrical kiln, more particularly to a kind of electrical kiln for calcination high purity rare earth oxides.
Background technology
Rare earth is one group while has the new function material of the multifrequency natures such as electricity, magnetic, light and biology, is information skill
The high-tech sectors such as art, biotechnology, energy technology and the important foundation material of national defense construction, while also to transforming some tradition
Industry, such as agricultural, chemical industry, building materials play an important role.Rare earth is widely used, and the functional material species of rare earth can be used numerous
It is more, a large-scale high-tech industry group is being formed, is there is very wide market prospects and particularly important strategy
Meaning.There is the laudatory title of " industrial vitamin ".
For rare-earth products in process of manufacture, calcination is a critically important procedure, and calcination electric furnace must use
One of equipment, existing calcination kiln sealing is not so good, and power consumption is high.
The content of the invention
In view of this, there is provided a kind of good seal performance and a kind of low electricity for calcination high purity rare earth oxides of power consumption
Kiln.
A kind of electrical kiln for calcination high purity rare earth oxides, including brandreth, electrical kiln main body, heater, pushing structure,
Insulation material and temperature control device, the electrical kiln main body are fixedly arranged on above brandreth；The electrical kiln main body is by special form brick and light-weight brick structure
Into one calcination cavity of formation, the special form brick position is provided with multiple through holes and is used to install heater；The pushing structure bag
Bottom plate, top plate, push pedal and multiple balls are included, the bottom plate is fixedly arranged on calcination cavity bottom, and the top plate is located at calcination cavity top
Portion, the push pedal are placed in above bottom plate and slided by ball on bottom plate；The heater is multiple Elemas, Duo Gesuo
State Elema and be each passed through the through hole located between bottom plate, special form brick, multiple Elemas divide three groups between top plate, special form brick
380V voltages are connected using star connection；On the outside of the insulation material cladding electrical kiln main body, the temperature control device is located at calcination chamber
Body, the operating temperature of calcination cavity during for monitoring calcination.
Preferably, the heating part of the electrical kiln main body is piled up by special form brick forms, the non-heated part of electrical kiln main body by
Light-weight brick, which is piled up, to be formed.
Preferably, the Elema is provided with 36, and 18 Elemas are provided between the top plate and special form brick；The bottom plate
18 Elemas are provided between special form brick.
Preferably, 36 Elemas are divided into three groups, and every group has 12 Elemas, and every group of 12 Elemas three or three are simultaneously
Connected after connection, between three groups of Elemas parallel connection pass through star connection and connect 380V voltages.
Preferably, the through hole runs through special form brick, and the Elema is placed in through hole, and the length of the Elema is more than electricity
The width of kiln owner's body.
Preferably, the bottom plate is provided with two sliding grooves, and the sliding groove is set along floor length direction, the sliding groove
For housing ball, the depth of the sliding groove is less than the diameter of ball.
Preferably, the insulation material is insulation asbestos, on the outside of the insulation asbestos cladding electrical kiln main body, for reducing electricity
The heat of kiln owner's body distributes.
Preferably, the electrical kiln also includes asbestos board, and the asbestos board is close to be incubated asbestos, and asbestos are incubated for fixed.
Preferably, the brandreth includes iron stand and multiple support feets, and the support feet is used to support iron stand, the iron
Pallet is used to place electrical kiln main body.
Preferably, the electrical kiln main body section is square.
Relative to prior art, the beneficial effects of the invention are as follows：
The electrical kiln main body piled up by special form brick and light-weight brick, there is good sealing so that during calcination
Impurity is not had to enter in electrical kiln main body；The heater uses multiple high-density silicon carbon-points, multiple Elema packets
Using Y-connection 380V voltages so that electric energy is greatlyd save in heating process, greatlys save production cost, is worth pushing greatly
Extensively.
Brief description of the drawings
Fig. 1 is the electrical kiln structure schematic elevation view for calcination high purity rare earth oxides of the embodiment of the present invention.
Fig. 2 is part A enlarged drawing in Fig. 1.
Fig. 3 is the electrical kiln structure schematic side view for calcination high purity rare earth oxides of the embodiment of the present invention.
Fig. 4 is part B enlarged drawing in Fig. 2.
Embodiment
Below with reference to specific embodiments and the drawings, the present invention is described in detail.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are referred to, a kind of embodiment of the present invention is shown, one kind is used for calcination high-purity rare-earth oxygen
The electrical kiln 10 of compound, including brandreth 20, electrical kiln main body 30, heater 40, pushing structure 50, insulation material 60 and temperature control device
（Not shown in figure）, the electrical kiln main body 30 is fixedly arranged on the top of brandreth 20；The electrical kiln main body 30 is by special form brick 31 and light-weight brick
32 are formed, and form a calcination cavity 33, and the position of special form brick 31 is provided with multiple through holes and is used to install heater 40；It is described
Pushing structure 50 includes bottom plate 51, top plate 52, push pedal 53 and multiple balls 54, and the bottom plate 51 is fixedly arranged on the bottom of calcination cavity 33
Portion, for the top plate 52 located at the top of calcination cavity 33, the push pedal 53 is placed in the top of bottom plate 51 and by ball 54 in bottom plate 51
Upper slip；The heater 40 is multiple Elemas 40, and multiple Elemas 40 are each passed through the through hole and are located at top plate
52nd, between special form brick 31 between bottom plate 51, special form brick 31, multiple Elemas 40 divide three groups using star connection connection 380V electricity
Pressure；The insulation material 60 coats the outside of electrical kiln main body 20, and the temperature control device is located at calcination cavity 33, during for monitoring calcination
The operating temperature of the calcination cavity 33.
Preferably as the preferred of the present invention, the heating part of the electrical kiln main body 20 is piled up by special form brick 31 to be formed, electricity
The non-heated part of kiln owner's body 20 is piled up by light-weight brick 32 to be formed, the heating part close structure piled up by special form brick 31,
With good sealing, and the high-temperature stability of special form brick 31 so that electrical kiln main body 20 can use for a long time, be given birth to beneficial to saving
Produce cost；The non-heated part piled up by light-weight brick 32 is located at heating part both ends, the isolation effect of the light-weight brick 32
It is good, most of heat can be completely cut off so that and during calcination, the heat of electrical kiln main body 20 will not be largely dispersed into air,
Be advantageous to keep the temperature in calcination workshop, there is provided one comfortable working environment of operating personnel.
Preferably as the preferred of the present invention, the Elema 40 is provided with 36, between the top plate 52 and special form brick 31
It is in provided with 18 Elemas, 40,18 Elemas 40 on same straight line, wherein 18 Elemas are in the interposition of electrical kiln main body 20
The spacing being smaller than between the end positions of electrical kiln main body 20 between putting；18 are provided between the bottom plate 51 and special form brick 31
40,18 Elemas 40 of Elema are on same straight line, wherein 18 Elemas are between the centre position of electrical kiln main body 20
The spacing being smaller than between the end positions of electrical kiln main body 20.Specifically, 36 Elemas 40 divide for three groups, and every group has
12 Elemas 40, connected after every group of 12 Elema 40 33 are in parallel, between three groups of Elemas 40 parallel connection connect by star
Method connects 380V voltages.During work, the operating temperature for keeping electrical kiln main body is 920 DEG C, and now the operating power of electrical kiln 10 is
36kw/h, the operating power of original calcination equipment is 150kw/h, and compared to original calcination equipment, the present invention greatlys save electricity
Amount, using the electrical kiln 110 degree/hour of 10 using electricity wisely of the present invention, yuan/hour of the amount of money about 85 is saved, greatlys save and is produced into
This, is worth promoting.
Preferably as the preferred of the present embodiment, the through hole runs through special form brick 31, and the Elema 40 is placed in through hole
Interior, the length of the Elema 40 is more than the width of electrical kiln main body 20, facilitates wiring.
Preferably as the preferred of the present embodiment, the bottom plate 51 is provided with two sliding grooves 511, the edge of sliding groove 511
The length direction of bottom plate 51 is set, and the sliding groove 511 is used to house ball 54, and the depth of the sliding groove 511 is less than ball 54
Diameter, two sliding grooves 511 be arranged in parallel.During calcination, the product for treating calcination only need to be positioned over to special calcination bowl,
Special calcination bowl is positioned in push pedal 53 again, the product for treating calcination in push pedal 53 is pushed into the heating part of electrical kiln main body 20
Point, calcination certain time, that is, calcination is completed, obtain high purity rare earth oxides, calcination time is according to the kinds of different rare earth oxides
Depending on class.This electrical kiln 10 is adapted to a variety of high purity rare earth oxides calcinations, such as high purity lanthanum oxide, high-purity europium oxide, not limited to this.
Preferably as the preferred of the present embodiment, the insulation material 60 is insulation asbestos, the insulation asbestos cladding electricity
The outside of kiln owner's body 20, the heat for reducing electrical kiln main body 20 distribute.
Preferably as the preferred of the present embodiment, the electrical kiln 10 also includes asbestos board 11, and the asbestos board 11 is close to protect
Chrysotile, asbestos are incubated for fixed.
Preferably as the preferred of the present embodiment, the brandreth 20 includes iron stand 21 and multiple support feets 22, the branch
Spike 22 is used to support iron stand 21, and the iron stand 21 is used to place electrical kiln main body 30.
Preferably as the preferred of the present embodiment, the section of electrical kiln main body 20 is square.
The above-mentioned electrical kiln 10 for calcination high purity rare earth oxides, piled up by special form brick 31 and light-weight brick 32
Electrical kiln main body 20, there is good sealing so that do not have impurity during calcination and enter in electrical kiln main body 20；It is described to add
Thermal 40 uses multiple high-density silicon carbon-points, and multiple packets of Elema 40 use Y-connection 380V voltages so that add
Electric energy is greatlyd save in thermal process, greatlys save production cost, is worth promoting.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of electrical kiln for calcination high purity rare earth oxides, including brandreth, it is characterised in that including electrical kiln main body, heating
Device, pushing structure, insulation material and temperature control device, the electrical kiln main body are fixedly arranged on above brandreth；The electrical kiln main body is by different
Shaped brick and light-weight brick are formed, and form a calcination cavity, and the special form brick position is provided with multiple through holes and is used to install heater；
The pushing structure includes bottom plate, top plate, push pedal and multiple balls, and the bottom plate is fixedly arranged on calcination cavity bottom, the top plate
At the top of calcination cavity, the push pedal is placed in above bottom plate and slided by ball on bottom plate；The heater is more
Individual Elema, multiple Elemas are each passed through the through hole and are located between top plate, special form brick between bottom plate, special form brick,
Three groups of multiple Elemas point are using star connection connection 380V voltages；On the outside of the insulation material cladding electrical kiln main body, the temperature
Control device is located at calcination cavity, the operating temperature of calcination cavity during for monitoring calcination.
2. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the electrical kiln main body
Heating part is piled up by special form brick to be formed, and the non-heated part of electrical kiln main body is piled up by light-weight brick to be formed.
3. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the Elema is provided with
36,18 Elemas are provided between the top plate and special form brick；18 Elemas are provided between the bottom plate and special form brick.
4. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 3, it is characterised in that 36 Elemas
It is divided into three groups, every group there are 12 Elemas, is connected after every group of 12 Elemas three or three are in parallel, in parallel between three groups of Elemas
380V voltages are connected by star connection.
5. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the through hole is through different
Shaped brick, the Elema are placed in through hole, and the length of the Elema is more than the width of electrical kiln main body.
6. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the bottom plate is provided with two
Individual sliding groove, the sliding groove are set along floor length direction, and the sliding groove is used to house ball, the depth of the sliding groove
Less than the diameter of ball.
7. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the insulation material is
Asbestos, the insulation asbestos cladding electrical kiln main body outside are incubated, the heat for reducing electrical kiln main body distributes.
8. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 6, it is characterised in that also including asbestos board,
The asbestos board is close to be incubated asbestos, and asbestos are incubated for fixed.
9. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the brandreth includes iron
Pallet and multiple support feets, the support feet are used to support iron stand, and the iron stand is used to place electrical kiln main body.
10. it is used for the electrical kiln of calcination high purity rare earth oxides as claimed in claim 1, it is characterised in that the electrical kiln main body
Section is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572953.9A CN107449279A (en) | 2017-07-14 | 2017-07-14 | A kind of electrical kiln for calcination high purity rare earth oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710572953.9A CN107449279A (en) | 2017-07-14 | 2017-07-14 | A kind of electrical kiln for calcination high purity rare earth oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107449279A true CN107449279A (en) | 2017-12-08 |
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ID=60488425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710572953.9A Pending CN107449279A (en) | 2017-07-14 | 2017-07-14 | A kind of electrical kiln for calcination high purity rare earth oxides |
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| Country | Link |
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| CN (1) | CN107449279A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060216407A1 (en) * | 2005-03-25 | 2006-09-28 | International Superconductivity Technology Center, The Juridical Foundation | Method of and apparatus for manufacturing tape-formed oxide superconductor |
| CN201364021Y (en) * | 2008-12-23 | 2009-12-16 | 赵华 | Tunnel kiln heating circuit |
| CN102853670A (en) * | 2012-08-30 | 2013-01-02 | 甘锦旺 | Energy-saving and environmentally-friendly kiln body and vanadium-nitrogen alloy high-temperature sintering kiln adopting energy-saving and environmentally-friendly kiln body |
| CN203364598U (en) * | 2013-03-19 | 2013-12-25 | 汨罗市恒锋新材料有限公司 | Novel rare earth oxide roasting system apparatus |
| CN204100788U (en) * | 2014-07-15 | 2015-01-14 | 黄冈市华窑中浩窑炉有限公司 | A kind of rare earth roller kilns |
| CN204438812U (en) * | 2014-12-31 | 2015-07-01 | 江阴加华新材料资源有限公司 | The rare earth firing stove that push pedal is with holes |
-
2017
- 2017-07-14 CN CN201710572953.9A patent/CN107449279A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060216407A1 (en) * | 2005-03-25 | 2006-09-28 | International Superconductivity Technology Center, The Juridical Foundation | Method of and apparatus for manufacturing tape-formed oxide superconductor |
| CN201364021Y (en) * | 2008-12-23 | 2009-12-16 | 赵华 | Tunnel kiln heating circuit |
| CN102853670A (en) * | 2012-08-30 | 2013-01-02 | 甘锦旺 | Energy-saving and environmentally-friendly kiln body and vanadium-nitrogen alloy high-temperature sintering kiln adopting energy-saving and environmentally-friendly kiln body |
| CN203364598U (en) * | 2013-03-19 | 2013-12-25 | 汨罗市恒锋新材料有限公司 | Novel rare earth oxide roasting system apparatus |
| CN204100788U (en) * | 2014-07-15 | 2015-01-14 | 黄冈市华窑中浩窑炉有限公司 | A kind of rare earth roller kilns |
| CN204438812U (en) * | 2014-12-31 | 2015-07-01 | 江阴加华新材料资源有限公司 | The rare earth firing stove that push pedal is with holes |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |
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| WD01 | Invention patent application deemed withdrawn after publication |