CN203132332U - Rotary kiln barrel body for reduction reaction of materials and rotary kiln used for producing vanadium oxide - Google Patents
Rotary kiln barrel body for reduction reaction of materials and rotary kiln used for producing vanadium oxide Download PDFInfo
- Publication number
- CN203132332U CN203132332U CN 201220586726 CN201220586726U CN203132332U CN 203132332 U CN203132332 U CN 203132332U CN 201220586726 CN201220586726 CN 201220586726 CN 201220586726 U CN201220586726 U CN 201220586726U CN 203132332 U CN203132332 U CN 203132332U
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- rotary kiln
- cylinder
- kiln
- lifting portion
- reduction reaction
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Abstract
The utility model discloses a rotary kiln barrel body for a reduction reaction of materials. A material raising portion (2) is arranged on the inner wall of the rotary kiln barrel body (1), faces towards an internal protrusion of the rotary kiln barrel body (1), and extends in the direction from the feeding kiln head of the rotary kiln barrel body (1) to the discharging kiln tail of the rotary kiln barrel body (1). The utility model further provides a rotary kiln used for producing vanadium oxide. The rotary kiln comprises the rotary kiln barrel body (1) for the reduction reaction of the materials. According to the rotary kiln barrel body for the reduction reaction of the materials and the rotary kiln used for producing vanadium oxide, the phenomena that in the rotary kiln barrel body, the materials cake and the barrel body forms a circle are effectively avoided.
Description
Technical field
The utility model relates to field of metallurgy, particularly, relates to the rotary kiln of a kind of cylinder of rotary kiln for the material reduction reaction and production vanadium oxide.
Background technology
Rotary kiln is the capital equipment of producing vanadium oxide.Rotary kiln comprises the cylinder of rotary kiln as the container of the reduction reaction of vanadium oxide.After ammonium vanadate entered cylinder of rotary kiln inside, the cylinder of rotary kiln rotation drove ammonium vanadate and moves to the kiln tail from kiln hood.In this process, utilize medium (as coal gas, heavy oil, electrical equipment etc.) to carry out the high temperature heating from the outer wall of cylinder of rotary kiln, and the inside to cylinder of rotary kiln feeds reducibility gas (as coke-stove gas, hydrogen etc.), make and obtain the vanadium oxide product by ammonium vanadate decomposition-reduction in cylinder of rotary kiln.
The subject matter that cylinder of rotary kiln of the prior art exists is, the ammonium vanadate material is moving to from kiln hood the process of kiln tail, because the bed of material is thicker, the ammonium vanadate material of motion can not spread out fully, the pentavalent vanadium that causes not being reduced fully in the ammonium vanadate melts the back polymerization and is bonded together under hot conditions, cause material caking, cylindrical shell ring formation.And, cause the impurity content of vanadium oxide product to increase thus, grade reduces.
The utility model content
The purpose of this utility model provides a kind of cylinder of rotary kiln for the material reduction reaction and produces the rotary kiln of vanadium oxide, in order to prevent that material caking and cylindrical shell ring formation take place in cylinder of rotary kiln.
To achieve these goals, the utility model provides a kind of cylinder of rotary kiln for the material reduction reaction, the inwall of this cylinder of rotary kiln is provided with lifting portion, this lifting portion is towards the internal protrusion of cylinder of rotary kiln, and extends along kiln hood to the direction of the kiln tail of the discharging of cylinder of rotary kiln from the charging of cylinder of rotary kiln.
Preferably, lifting portion extends along the generatrix direction of cylinder of rotary kiln.
Preferably, the inwall of cylinder of rotary kiln is provided with a plurality of lifting portion.
Preferably, a plurality of lifting portion is distributed on the inwall of cylinder of rotary kiln along the circumferencial direction of cylinder of rotary kiln; And this a plurality of lifting portion extends to the kiln tail from kiln hood.
Preferably, lifting portion is along the radial direction projection of cylinder of rotary kiln, and the height of projection is 80mm to 100mm.
Preferably, on the cross section of the circumferencial direction of cylinder of rotary kiln, the cross sectional shape of lifting portion is rectangle, triangle, trapezoidal or rhombus.
Preferably, lifting portion is hollow body or solid.
Preferably, lifting portion is welded on the inwall of cylinder of rotary kiln, and perhaps lifting portion and cylinder of rotary kiln are the integral piece that punching press forms.
Preferably, cylinder of rotary kiln and lifting portion are made by high temperature resistant and erosion-resisting material.
The utility model also provides a kind of rotary kiln of producing vanadium oxide, and this rotary kiln comprises the above-mentioned cylinder of rotary kiln that is used for the material reduction reaction.Wherein, the axis of cylinder of rotary kiln is along the direction to the kiln tail forms 0 °～5 ° angle near ground and with ground gradually from kiln hood.
The beneficial effects of the utility model are, by the inwall at cylinder of rotary kiln lifting portion are set, and make ammonium vanadate can constantly bump with lifting portion in motion process, thereby spread out along with the rotation of cylinder of rotary kiln.By this, avoided material caking, the cylindrical shell ring formation phenomenon that can not spread out fully and cause because of the ammonium vanadate material effectively.And the phenomenon of cylindrical shell is hardening cracked in the too high erosion of further having avoided causing because of the cylindrical shell ring formation that causes of local temperature, thereby has improved the life-span of rotary kiln.In addition, because the utility model has improved the motion path of ammonium vanadate, be conducive to its decomposition, make reduction reaction more abundant, therefore improved the quality of vanadium oxide product.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of specification, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the front view according to an embodiment of cylinder of rotary kiln of the present utility model;
Fig. 2 is the front view according to another embodiment of cylinder of rotary kiln of the present utility model;
Fig. 3 is the front view according to another embodiment of cylinder of rotary kiln of the present utility model.
Description of reference numerals
1 cylindrical shell, 2 lifting portions
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
Referring to figs. 1 to Fig. 3, the utility model provides a kind of cylinder of rotary kiln 1.This cylinder of rotary kiln 1 is used as the container of material reduction reaction, the erosion that needs to tolerate the high temperature heating of cylindrical shell outside and feed the reducibility gas of inner barrel.According to embodiment of the present utility model, cylinder of rotary kiln 1 is made by high temperature resistant and erosion-resisting material.Cylinder of rotary kiln 1 along the circumferential direction rotates, and makes the material that is contained in wherein fully contact with reducibility gas in the process that the inwall along cylinder of rotary kiln 1 moves, thereby realizes the reduction reaction of material.
In more detail, according to embodiment of the present utility model, the inwall of cylinder of rotary kiln 1 is provided with lifting portion 2.This lifting portion 2 is towards the internal protrusion of cylinder of rotary kiln 1, forms ridge-shape at the inwall of cylinder of rotary kiln 1.According to embodiment of the present utility model, lifting portion 2 extends along kiln hood to the kiln tail direction of the discharging of cylinder of rotary kiln 1 from the charging of cylinder of rotary kiln 1.In other words, lifting portion 2 extends along the direction from top to the bottom of cylinder of rotary kiln 1 of cylinder of rotary kiln 1.Like this, lifting portion 2 forms materials and stop the position in the process that the inwall along cylinder of rotary kiln 1 moves, even make the material of bulk when coming in contact collision with lifting portion 2, because the barrier effect of lifting portion 2 spreads out.By this, can avoid the generation of material caking, cylindrical shell ring formation phenomenon.
Further, can there be multiple choices in lifting portion 2 along the mode of extending from the direction of top to the bottom of cylinder of rotary kiln 1, such as but not limited to spirality, parabola shaped etc.According to embodiment of the present utility model, lifting portion 2 extends along the generatrix direction of cylinder of rotary kiln 1, and the extension path of lifting portion 2 is the shortest in this case, can save material and be convenient to and install.
Continuation is referring to figs. 1 to Fig. 3, and according to embodiment of the present utility model, the inwall of cylinder of rotary kiln 1 is provided with a plurality of lifting portion 2.Like this, can strengthen the blocking effect of lifting portion 2, can be so that material disperse more, thus prevent the generation of material caking, cylindrical shell ring formation phenomenon better.According to embodiment of the present utility model, a plurality of lifting portion 2 is distributed on the inwall of cylinder of rotary kiln 1 along the circumferencial direction of cylinder of rotary kiln 1, and the development length of each lifting portion 2 is identical with the length of bus.That is to say that the inwall of cylinder of rotary kiln 1 is separated into a plurality of fritter areas, the lifting portion 2 of protuberance intercepts between adjacent fritter area, so that material can take place repeatedly to contact or collide in the movement of a border with lifting portion 2.And, because spreading all over the development length of bus, the development length of lifting portion 2 extends to the kiln tail from kiln hood, therefore can stop the path that material along the circumferential direction moves fully, thereby realize preventing the effect of material caking better.
In more detail, according to embodiment of the present utility model, lifting portion 2 is along the radial direction projection of cylinder of rotary kiln 1, and the height of projection can be preferably 80mm to 100mm.Like this, both can realize effect that material is spread out not influencing the movement of material in cylinder of rotary kiln 1 again.According to embodiment of the present utility model, the shape of lifting portion 2 can have multiple choices.On the cross section of the circumferencial direction of cylinder of rotary kiln 1, the cross sectional shape of lifting portion 2 such as but not limited to be rectangle, triangle, trapezoidal or rhombus.
In addition, lifting portion 2 can be hollow body or solid.For example, as shown in Figure 2, when the cross sectional shape of lifting portion 2 is triangular in shape, the structure of lifting portion 2 can be interconnected and formed hollow triangle jointly with the inwall of cylinder of rotary kiln 1 and form by two boards shape material, can be that leg-of-mutton material is connected on the inwall of cylinder of rotary kiln 1 and forms by the solid cross section of a monoblock also.The lifting portion 2 that is appreciated that hollow body saves material, and the lifting portion 2 of solid has better intensity.
Still referring to figs. 1 to Fig. 3, according to embodiment of the present utility model, can adopt multiple mode to realize annexation between the inwall of lifting portion 2 and cylinder of rotary kiln 1.Such as but not limited to, lifting portion 2 can be welded on the inwall of cylinder of rotary kiln 1, perhaps makes lifting portion 2 and cylinder of rotary kiln 1 part that forms as one by Sheet Metal Forming Technology.
In addition, according to embodiment of the present utility model, the material of lifting portion 2 is selected the high temperature resistant and erosion-resisting material identical with cylinder of rotary kiln 1 for use, such as but not limited to the 1Cr25Ni20Si2 material.
The utility model also provides a kind of rotary kiln of producing vanadium oxide, and this rotary kiln comprises the above-mentioned cylinder of rotary kiln 1 that is used for the material reduction reaction.Wherein, the axis of cylinder of rotary kiln 1 is along the direction to the kiln tail of discharging forms 0 °～5 ° angle near ground and with ground gradually from the kiln hood of charging.So, material can rely on deadweight to move to the kiln tail by kiln hood gradually in cylinder of rotary kiln 1.
Below describe preferred embodiment of the present utility model by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. cylinder of rotary kiln that is used for the material reduction reaction, it is characterized in that, the inwall of described cylinder of rotary kiln (1) is provided with lifting portion (2), this lifting portion (2) is towards the internal protrusion of described cylinder of rotary kiln (1), and extends along kiln hood to the direction of the kiln tail of the discharging of described cylinder of rotary kiln (1) from the charging of described cylinder of rotary kiln (1);
Wherein, the inwall of described cylinder of rotary kiln (1) is provided with a plurality of described lifting portions (2), and these a plurality of described lifting portions (2) are distributed on the inwall of described cylinder of rotary kiln (1) along the circumferencial direction of described cylinder of rotary kiln (1); And these a plurality of described lifting portions (2) extend to described kiln tail from described kiln hood.
2. the cylinder of rotary kiln for the material reduction reaction according to claim 1 is characterized in that, described lifting portion (2) extends along the generatrix direction of described cylinder of rotary kiln (1).
3. the cylinder of rotary kiln for the material reduction reaction according to claim 1 and 2 is characterized in that, described lifting portion (2) is along the radial direction projection of described cylinder of rotary kiln (1), and the height of projection is 80mm to 100mm.
4. the cylinder of rotary kiln for the material reduction reaction according to claim 3, it is characterized in that, on the cross section of the circumferencial direction of described cylinder of rotary kiln (1), the cross sectional shape of described lifting portion (2) is rectangle, triangle, trapezoidal or rhombus.
5. the cylinder of rotary kiln for the material reduction reaction according to claim 4 is characterized in that, described lifting portion (2) is hollow body or solid.
6. the cylinder of rotary kiln for the material reduction reaction according to claim 5, it is characterized in that, described lifting portion (2) is welded on the inwall of described cylinder of rotary kiln (1), perhaps described lifting portion (2) and the integral piece of described cylinder of rotary kiln (1) for punching press formation.
7. the cylinder of rotary kiln for the material reduction reaction according to claim 6 is characterized in that, described cylinder of rotary kiln (1) and lifting portion (2) are made by high temperature resistant and erosion-resisting material.
8. a rotary kiln of producing vanadium oxide is characterized in that, this rotary kiln comprises each described cylinder of rotary kiln for the material reduction reaction (1) among the claim 1-7;
Wherein, the axis of described cylinder of rotary kiln (1) is along the direction to described kiln tail forms 0 °～5 ° angle near ground and with ground gradually from described kiln hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586726 CN203132332U (en) | 2012-11-08 | 2012-11-08 | Rotary kiln barrel body for reduction reaction of materials and rotary kiln used for producing vanadium oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220586726 CN203132332U (en) | 2012-11-08 | 2012-11-08 | Rotary kiln barrel body for reduction reaction of materials and rotary kiln used for producing vanadium oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132332U true CN203132332U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220586726 Expired - Lifetime CN203132332U (en) | 2012-11-08 | 2012-11-08 | Rotary kiln barrel body for reduction reaction of materials and rotary kiln used for producing vanadium oxide |
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| CN (1) | CN203132332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894398A (en) * | 2015-06-16 | 2015-09-09 | 攀钢集团攀枝花钢钒有限公司 | Equipment and method for producing powdery vanadium oxide |
| CN110160356A (en) * | 2019-05-28 | 2019-08-23 | 佛山高砂工业窑炉有限公司 | A kind of airtight continuous rotary kiln of external-heat |
-
2012
- 2012-11-08 CN CN 201220586726 patent/CN203132332U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894398A (en) * | 2015-06-16 | 2015-09-09 | 攀钢集团攀枝花钢钒有限公司 | Equipment and method for producing powdery vanadium oxide |
| CN110160356A (en) * | 2019-05-28 | 2019-08-23 | 佛山高砂工业窑炉有限公司 | A kind of airtight continuous rotary kiln of external-heat |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |