CN209706542U - A kind of ferrite rotary kiln - Google Patents
A kind of ferrite rotary kiln Download PDFInfo
- Publication number
- CN209706542U CN209706542U CN201920411645.2U CN201920411645U CN209706542U CN 209706542 U CN209706542 U CN 209706542U CN 201920411645 U CN201920411645 U CN 201920411645U CN 209706542 U CN209706542 U CN 209706542U
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- lifting
- board group
- lifting blade
- ferrite
- 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
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 33
- 238000005469 granulation Methods 0.000 claims abstract description 6
- 230000003179 granulation Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 12
- 238000011161 development Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005453 pelletization Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 39
- 238000003756 stirring Methods 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000005272 metallurgy Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a kind of ferrite rotary kilns, belong to rotary kiln technology.A kind of ferrite rotary kiln of the utility model, multiple rows of lifting board group is provided with along the length direction of rotary kiln on the granulation section inner wall of rotary kiln, every row's lifting board group is provided with multiple lifting blades along rotary kiln circumferential direction uniform intervals, interlaced arrangement between the lifting blade of adjacent two rows lifting board group, and the spacing L1 in same row's lifting board group between two neighboring lifting blade is greater than the height H of lifting blade.The purpose of the utility model is to overcome existing rotary kiln palletizing device, energy consumption is high, pelletizing effect is poor and the deficiency of maintenance difficult, provides a kind of ferrite rotary kiln, can reduce energy consumption, saves production cost, pelletizing effect is good and is hardly damaged.
Description
Technical field
The utility model relates to rotary kiln technologies, more specifically to a kind of ferrite rotary kiln.
Background technique
Rotary kiln refers to rotary calcining kiln, belongs to building equipment class.Rotary kiln by processing material difference can be divided into cement kiln,
Chemical metallurgy kiln and limekiln.Cement kiln is mainly used for calcination of cement clinker, divides dry production cement kiln and wet production cement
Kiln two major classes.Chemical metallurgy kiln is then mainly used for the poor iron ore magnetic roasting of metallurgy industry steel plant；Chromium, josephinite oxidizing roasting；
Refractory factory roasts high-aluminium vanadine mine and aluminium manufacturer roasts clinker, aluminium hydroxide；Chemical plant roasts the classes such as chrome ore and chromite ore fine
Mineral.Limekiln (i.e. active lime kiln) is used to roast the active lime and light dolomite of steel plant, ferroalloy works.
Ferrite powder production in, rotary kiln is mainly used to do powder pre-burning operation, in pre-burning operation, rotary furnace because
It is big for yield, it is heated evenly, therefore be widely used.The granulation section in ferrite rotary kiln is generally by the way of chain at present
Pelletizing in turn is raised and screened to material, has the disadvantage that 1, material can not be distributed in kiln space by uniformly breaing up
It is interior, heat exchange is come into full contact with to can not be formed between hot wind and concentrate powder to be dried, concentrate kiln drying effect is caused to be deteriorated；2,
Chain is hung for a long time, is easily snapped off, maintenance trouble, and maintenance cost is high；3, material is easily bonded on chain.Therefore, how to improve
The palletizing device of existing rotary kiln is urgent need to solve the problem in current industry.
The structure for being directed to the palletizing device of rotary kiln is improved, and existing related art scheme discloses, such as number of patent application:
2016109390596, October 25 2016 applying date, invention and created name are as follows: a kind of ferrite powder sintering rotary kiln,
Including the main body boiler tube being obliquely installed, it is provided with material scraper in main body boiler tube, material scraper includes that shaft and being mounted in shaft is used
In the tablet of scraping of scraper, shaft and main body boiler tube are concentric, scrape tablet include it is multiple, it is multiple scrape tablet be divided into it is multiple rows of and along turn
The circumferencial direction of axis is uniformly distributed, and the tablet of scraping of adjacent two rows is staggered.The program still has further improved space.
For another example number of patent application: 2015208923804, November 11 2015 applying date, invention and created name are as follows: a kind of
Improved wet production of ferrite prefiring material rotary kiln, main kiln and auxiliary kiln including lateral arrangement and head and the tail sealed connection, main kiln
Diameter is greater than auxiliary kiln diameter；Without refractory material layer inside auxiliary kiln, main kiln internal refractories layer along main kiln length direction radially
Increasing height arranged in step shape.Disadvantage is that: it is bad that material effect is broken up using chain, can be further improved.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Utility model content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome existing rotary kiln palletizing device, energy consumption is high, pelletizing effect difference and maintenance are tired
Difficult deficiency, provides a kind of ferrite rotary kiln, can reduce energy consumption, saves production cost, and pelletizing effect is good and not rapid wear
It is bad.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of ferrite rotary kiln of the utility model, on the granulation section inner wall of rotary kiln along the length direction of rotary kiln
It is provided with multiple rows of lifting board group, every row's lifting board group is provided with multiple lifting blades, adjacent two rows along rotary kiln circumferential direction uniform intervals
Interlaced arrangement between the lifting blade of lifting board group, and the spacing L1 in same row's lifting board group between two neighboring lifting blade
Greater than the height H of lifting blade.
It is further improved as the utility model, the lifting blade head in heel row lifting board group is raised with adjacent front-seat
Lifting blade tail portion in flitch group is flush.
It is further improved as the utility model, the development length of lifting board group is L, the extension of multiple rows of lifting board group
Length summation is consistent with the length L2 of section is granulated.
It is further improved as the utility model, the height extending direction of lifting blade is a, lifting blade bottom and revolution
The tangential direction of kiln inner wall contact position is b, and the angle between a and b is β, and β is 90 ° -100 °.
It is further improved as the utility model, the angle between the length extending direction and rotary kiln axial direction of lifting blade
Spending α is 30 ° -45 °.
It is further improved as the utility model, the back material side of lifting blade is equipped with support plate, and support plate is triangle
Support plate.
Further improved as the utility model, the surface of lifting blade is smooth, the surrounding of lifting blade using it is round and smooth fall
Angle.
Further improved as the utility model, lifting blade with a thickness of 15-20mm.
It is further improved as the utility model, the quantity of lifting blade is 10-12 in every row's lifting board group.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of ferrite rotary kiln of the utility model, along the length side of rotary kiln on the granulation section inner wall of rotary kiln
Multiple rows of lifting board group is set up, every row's lifting board group is provided with multiple lifting blades along rotary kiln circumferential direction uniform intervals, can be with
Feed powder is promoted to Multidirectional uniform and stirred, feed powder is heated evenly.
(2) a kind of ferrite rotary kiln of the utility model, it is interlaced between the lifting blade of adjacent two rows lifting board groups
Arrangement, can guarantee that the powder raised can reach the lifting blade of next row lifting board group, keep powder stirring mixing more uniform,
It can effectively avoid powder from gluing wall, reduce energy consumption, improve the stability of whole powder sintering, extend equipment uses the longevity
Life reduces maintenance time.
(3) a kind of ferrite rotary kiln of the utility model, in same row's lifting board group between two neighboring lifting blade
Spacing L1 is greater than the height H of lifting blade, and the powder raised is accurately reached on the lifting blade in next row lifting board group,
Prevent film dancing phenomenon, avoids occurring to stir non-uniform phenomenon.
(4) a kind of ferrite rotary kiln of the utility model, lifting blade head and adjacent front row in heel row lifting board group
Lifting board group in lifting blade tail portion be flush, the development length of lifting board group is L, and the development length of multiple rows of lifting board group is total
It is consistent with the length L2 of section is granulated, it is ensured that be granulated section and arrange lifting blade on along its length, so that powder is being granulated
It can be heated more evenly in section, balling-up effect is more preferable.
(5) a kind of ferrite rotary kiln of the utility model, the height extending direction of lifting blade are a, lifting blade bottom with
The tangential direction of rotary kiln inner wall contact position is b, and the angle between a and b is β, and β is 90 ° -100 °, can increase lifting blade
Energy is reduced so that powder mixes more uniform, and can be effectively prevented from powder and glue wall accumulation with the contact area of powder
Consumption improves the stability of whole powder sintering.
(6) a kind of ferrite rotary kiln of the utility model, between the length extending direction and rotary kiln axial direction of lifting blade
Angle [alpha] be 30 ° -45 °, i.e. lifting blade is obliquely installed on rotary kiln inner wall, when rotary kiln rotation when, further increase lifting
Plate stirs the efficiency of powder, is heated evenly powder, solves agglomerating high concentration ground paste quickly through rotary kiln, cannot be sufficiently pre-
The problem of burning.
(7) the back material side of a kind of ferrite rotary kiln of the utility model, lifting blade is equipped with support plate, strengthens lifting blade
Structural strength, and do not influence the stirring to feed powder；Support plate is triangular support plate, and the hardened structure of triangular support is more steady
It is fixed, the structural strength of lifting blade is further enhanced, the service life of lifting blade is improved.
(8) a kind of ferrite rotary kiln of the utility model, the surface of lifting blade is smooth so that powder on lifting blade not
Accumulation bonding easily occurs；And the surrounding of lifting blade uses round and smooth chamfering, it is not only more beautiful, and can guarantee also to be not easy at chamfering
Powder accumulation bonding occurs, reduces energy consumption and production cost.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of ferrite rotary kiln of the utility model；
Fig. 2 is that overlooking structure diagram is unfolded in lifting blade in the utility model；
Fig. 3 is the structural schematic diagram that section is granulated in the utility model；
Fig. 4 is the structural schematic diagram of support plate in the utility model.
Label declaration in schematic diagram:
110, rotary kiln inner wall；120, it is granulated section；130, lifting blade；140, support plate.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of the embodiments of the present invention be not intended to limit the range of claimed invention, but only
Indicate the selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1-Fig. 4, a kind of ferrite rotary kiln of the present embodiment, along revolution on 120 inner wall of granulation section of rotary kiln
Multiple rows of lifting board group is provided on the length direction of kiln, every row's lifting board group is provided with multiple raise along rotary kiln circumferential direction uniform intervals
Flitch 130 can with Multidirectional uniform promote and stir feed powder, be heated evenly feed powder；As shown in Fig. 2, phase in the present embodiment
Interlaced arrangement between the lifting blade 130 of adjacent two rows lifting board group, can guarantee that the powder raised can reach next row and raise
The lifting blade 130 of flitch group keeps powder stirring mixing more uniform, powder can effectively be avoided to glue wall, reduce energy consumption, improves
The stability of whole powder sintering extends the service life of equipment, reduces maintenance time.And it is adjacent in same row's lifting board group
Spacing L1 between two lifting blades 130 is greater than the height H of lifting blade 130, the powder raised is accurately reached next
It arranges on the lifting blade 130 in lifting board group, prevents film dancing phenomenon, avoid occurring to stir non-uniform phenomenon.Specifically, originally
Film dancing phenomenon in embodiment is powder after lifting blade 130 raises in first row lifting board group, without second group of lifting blade
Lifting blade 130 leaps to the phenomenon that lifting blade 130 in third row even the 4th row's lifting board group in group.
As shown in Fig. 2, the lifting board group on 130 head of lifting blade and adjacent front row in the present embodiment in heel row lifting board group
In 130 tail portion of lifting blade be flush, specifically, as shown in Figure 2, the length side of lifting blade 130 in first row lifting board group
Head in upward tail portion and second row lifting board group on the length direction of lifting blade 130 is on same horizontal line, lifting
The development length of board group is L, and the development length summation of multiple rows of lifting board group is consistent with the length L2 of section 120 is granulated, it is ensured that
It is granulated section 120 and arranges lifting blade 130 on along its length, so that powder can be heated more evenly on being granulated section 120, balling-up
Effect is more preferable.Specifically, lifting board group is provided with two rows in the present embodiment.
As shown in figure 4, the height extending direction of lifting blade 130 is a, 130 bottom of lifting blade and rotary kiln in the present embodiment
The tangential direction of inner wall contact position is b, and the angle between a and b is β, and β is 90 ° -100 °, i.e., lifting blade 130 is along rotary kiln diameter
To height and the tangential direction upper angle β of rotary kiln inner wall 110 be 90 ° -100 °, increase connecing for lifting blade 130 and powder
Contacting surface product reduces energy consumption, improves whole so that powder mixes more uniform, and can be effectively prevented from powder and glue wall accumulation
The stability of powder sintering, specifically, in the present embodiment, β is 90 °.
As shown in Fig. 2, the angle [alpha] in the present embodiment between the length extending direction and rotary kiln axial direction of lifting blade 130 is
30 ° -45 °, i.e. angle [alpha] on the length extending direction of 130 length extending direction of lifting blade and rotary kiln is 30 ° -45 °, lifting
Plate 130 is obliquely installed on rotary kiln inner wall 110, when rotary kiln rotation, further increases the effect that lifting blade 130 stirs powder
Rate is heated evenly powder, solves agglomerating high concentration ground paste quickly through rotary kiln, cannot abundant pre-burning the problem of.Specifically
Ground, in the present embodiment, α is 30 °.
As shown in figure 4, the back material side of lifting blade 130 is equipped with support plate 140 in the present embodiment, lifting blade 130 is strengthened
Structural strength, and the stirring to feed powder is not influenced；Support plate 140 is triangular support plate, and the hardened structure of triangular support is more steady
It is fixed, the structural strength of lifting blade 130 is further enhanced, the service life of lifting blade 130 is improved.Lifting blade in the present embodiment
130 surface is smooth, so that powder is not susceptible to accumulation bonding on lifting blade 130；And the surrounding of lifting blade 130 is using round and smooth
Chamfering, it is not only more beautiful, and can guarantee also to be not susceptible to powder accumulation bonding at chamfering, it reduces energy consumption and is produced into
This.
In the present embodiment lifting blade 130 with a thickness of 15-20mm, specifically, in the present embodiment lifting blade 130 with a thickness of
15mm.Wherein lifting blade 130 can be dismantled, and be convenient for changing the lifting blade 130 of damage, reduce maintenance cost, improve entirety
The service life of equipment.
The quantity of lifting blade 130 is 10-12 in every row's lifting board group in the present embodiment, specifically, every in the present embodiment
The quantity for arranging lifting blade 130 in lifting board group is 10.
Embodiment 2
A kind of ferrite rotary kiln of the present embodiment, structure is substantially the same manner as Example 1, the difference is that, this
The height extending direction of lifting blade 130 is a, the tangent line side of 130 bottom of lifting blade and rotary kiln inner wall contact position in embodiment
To for b, the angle between a and b is β, and β is 95 °.
Angle [alpha] in the present embodiment between the length direction of lifting blade 130 and rotary kiln axial direction is 40 °.
Lifting blade 130 with a thickness of 18mm in the present embodiment.
The quantity of lifting blade 130 is 11 in every row's lifting board group in the present embodiment.
Embodiment 3
A kind of ferrite rotary kiln of the present embodiment, structure is substantially the same manner as Example 1, the difference is that, this
The height extending direction of lifting blade 130 is a, the tangent line side of 130 bottom of lifting blade and rotary kiln inner wall contact position in embodiment
To for b, the angle between a and b is β, and β is 100 °.
Angle [alpha] in the present embodiment between the length direction of lifting blade 130 and rotary kiln axial direction is 45 °.
Lifting blade 130 with a thickness of 20mm in the present embodiment.
The quantity of lifting blade 130 is 12 in every row's lifting board group in the present embodiment.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. a kind of ferrite rotary kiln, it is characterised in that: along the length direction of rotary kiln on granulation section (120) inner wall of rotary kiln
On be provided with multiple rows of lifting board group, every row's lifting board group is provided with multiple lifting blades (130), phase along rotary kiln circumferential direction uniform intervals
Interlaced arrangement between the lifting blade (130) of adjacent two rows lifting board group, and two neighboring lifting blade in same row's lifting board group
(130) the spacing L1 between is greater than the height H of lifting blade (130).
2. a kind of ferrite rotary kiln according to claim 1, it is characterised in that: the lifting blade in heel row lifting board group
(130) head is flush with lifting blade (130) tail portion in the lifting board group at adjacent front row.
3. a kind of ferrite rotary kiln according to claim 2, it is characterised in that: the development length of lifting board group is L, more
The development length summation for arranging lifting board group is consistent with the length L2 of section (120) is granulated.
4. a kind of ferrite rotary kiln according to claim 1, it is characterised in that: the height extension side of lifting blade (130)
To for a, the tangential direction of lifting blade (130) bottom and rotary kiln inner wall contact position is b, and the angle between a and b is β, and β is
90°-100°。
5. a kind of ferrite rotary kiln according to claim 1, it is characterised in that: the length extension side of lifting blade (130)
It is 30 ° -45 ° to the angle [alpha] between rotary kiln axial direction.
6. a kind of ferrite rotary kiln according to claim 1, it is characterised in that: the back material side of lifting blade (130) is equipped with
Support plate (140), support plate (140) are triangular support plate.
7. a kind of ferrite rotary kiln according to claim 1-6, it is characterised in that: the table of lifting blade (130)
Face is smooth, and four angles of lifting blade (130) use round and smooth chamfering.
8. a kind of ferrite rotary kiln according to claim 1-6, it is characterised in that: the thickness of lifting blade (130)
Degree is 15-20mm.
9. a kind of ferrite rotary kiln according to claim 1-6, it is characterised in that: raised in every row's lifting board group
The quantity of flitch (130) is 10-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920411645.2U CN209706542U (en) | 2019-03-28 | 2019-03-28 | A kind of ferrite rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920411645.2U CN209706542U (en) | 2019-03-28 | 2019-03-28 | A kind of ferrite rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706542U true CN209706542U (en) | 2019-11-29 |
Family
ID=68645965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920411645.2U Expired - Fee Related CN209706542U (en) | 2019-03-28 | 2019-03-28 | A kind of ferrite rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209706542U (en) |
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2019
- 2019-03-28 CN CN201920411645.2U patent/CN209706542U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20191129 |