CN220793812U - Granular calcium aluminate calciner for producing aluminum ash - Google Patents
Granular calcium aluminate calciner for producing aluminum ash Download PDFInfo
- Publication number
- CN220793812U CN220793812U CN202322397324.0U CN202322397324U CN220793812U CN 220793812 U CN220793812 U CN 220793812U CN 202322397324 U CN202322397324 U CN 202322397324U CN 220793812 U CN220793812 U CN 220793812U
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- CN
- China
- Prior art keywords
- calciner
- calcium aluminate
- rotary calciner
- feeding
- gyration
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- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 title claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003546 flue gas Substances 0.000 claims abstract description 22
- 238000000265 homogenisation Methods 0.000 claims abstract description 17
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000004062 sedimentation Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000001354 calcination Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 6
- 239000000428 dust Substances 0.000 abstract description 15
- 239000007789 gas Substances 0.000 abstract description 11
- 238000012797 qualification Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 2
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The utility model discloses a calciner for producing granular calcium aluminate from aluminum ash, which relates to the technical field of calciners and comprises a rotary calciner for producing granular calcium aluminate from aluminum ash, four riding wheels for supporting the rotary calciner, a burner, a discharge port, a feeding bin and a transmission gear, wherein the rotary calciner is obliquely arranged, the burner is arranged on the rotary calciner, the discharge port is arranged below the bottom of the rotary calciner, a feeding screw and a flue gas collecting device are arranged on the rotary calciner, the flue gas collecting device comprises a high-temperature polymerization sedimentation chamber, and the feeding bin is connected with a feeding bin airflow homogenizing device. The feeding bin adopts airflow homogenization to ensure the qualification rate of finished products; the rotary calciner is internally provided with a composite furnace lining, so that the wear resistance and strength of the furnace wall are enhanced, and the energy consumption is saved. The four riding wheels provide support, so that the equipment runs more stably. The length of the rotary calciner is increased, so that the temperature field in the calciner is more stable, and the qualification rate and the yield are improved. The high-temperature agglomeration device captures dust and reduces the tail gas treatment cost.
Description
Technical Field
The utility model relates to the technical field of calciners, in particular to a calciner for producing granular calcium aluminate from aluminum ash.
Background
The calcium aluminate calciner is a thermal equipment for heat treating calcium aluminate at high temperature to improve raw material properties.
In the prior art, the existing calcium aluminate calcining device consists of a feeding bin, a feeding device and a rotary kiln. Mixing, grinding and feeding the secondary aluminum ash and the bluestone into a feeding bin according to a certain proportion, and then conveying the mixture into a rotary kiln for calcination. The secondary aluminum ash and the bluestone react at the high temperature of 1100-1350 ℃ to produce the calcium aluminate particles. The whole equipment has the problems of unstable feeding, large heat loss of the rotary kiln, high energy consumption of unit finished products, large tail gas and smoke dust, high treatment cost and the like. Therefore, there is a need to provide a calcium aluminate calcination apparatus that is energy efficient and has a more stable product quality.
Disclosure of Invention
The utility model aims to solve the problems of unstable feeding, large heat loss of a rotary kiln, high energy consumption of unit finished products, large tail gas smoke dust, high treatment cost and the like, and provides a calciner for producing granular calcium aluminate from aluminum ash. According to the utility model, the feeding bin and the feeding bin airflow homogenizing device are arranged, and the feeding bin adopts airflow homogenization, so that the uniformity of the mixture is facilitated, the layering of the mixture is avoided, the feeding stability is improved, and the qualification rate of the finished product is ensured; the composite furnace lining is arranged in the rotary calciner, so that the wear resistance and strength of the furnace wall are enhanced, and the failure rate of the calciner is reduced. The heat flux density of the furnace wall is greatly reduced by the composite furnace lining, so that the consumption of natural gas per ton of finished products is reduced, and the energy consumption is greatly saved; the rotary calciner is provided with four riding wheels to provide support, so that the rigidity of the rotary calciner is enhanced, and the equipment is more stable to operate. The rotary calciner is obliquely arranged, so that the length of the rotary calciner is longer, the temperature field in the rotary calciner is more stable due to the increase of the length of the rotary calciner, the material reaction time is ensured, the qualification rate of finished products is improved, and the yield is improved; through setting up high Wen Fuju device, at high temperature, the flue gas dust adheres on high Wen Fuju device, has played the effect of entrapment dust, has reduced the dust content of flue gas, reduces the tail gas treatment equipment input of production line, has reduced tail gas treatment cost greatly.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the utility model provides an aluminum ash production granule calcium aluminate calciner, includes the gyration calciner that is used for calcining aluminum ash production granule calcium aluminate, is used for supporting four riding wheels of gyration calciner, the combustor that is used for the burning, the discharge gate that is used for the ejection of compact, the feeding storehouse that is used for the feeding, the drive gear that is used for driving gyration calciner, gyration calciner slope sets up, the combustor is established on the gyration calciner bottom one end, the discharge gate is located the below of gyration calciner bottom one end, the one end that the gyration calciner is located the top is equipped with the feeding spiral that is used for controlling the feeding, is used for collecting the flue gas collection device of flue gas, flue gas collection device includes high temperature polymerization settling chamber, and the feeding storehouse is connected with feeding storehouse air current homogenization device.
Preferably, the high temperature polymerization sedimentation chamber is provided with a flue gas outlet.
Preferably, the feed bin airflow homogenizing device comprises a homogenizing warehouse.
Preferably, a composite furnace lining is arranged in the rotary calciner.
Preferably, the transmission gear is arranged in the middle of the rotary calciner.
Preferably, a lifting machine is arranged between the high-temperature polymerization sedimentation chamber and the homogenization warehouse.
Preferably, the bottom of the homogenization silo is provided with an aeration plate.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, the feeding bin and the feeding bin airflow homogenizing device are arranged, and the feeding bin adopts airflow homogenization, so that the uniformity of the mixture is facilitated, the layering of the mixture is avoided, the feeding stability is improved, and the qualification rate of the finished product is ensured;
the composite furnace lining is arranged in the rotary calciner, so that the wear resistance and strength of the furnace wall are enhanced, and the failure rate of the calciner is reduced. The composite furnace lining also greatly reduces the heat flux density of the furnace wall, reduces the consumption of natural gas per ton of finished products, and greatly saves energy consumption.
The rotary calciner is provided with four riding wheels to provide support, so that the rigidity of the rotary calciner is enhanced, and the equipment is more stable to operate. The rotary calciner is obliquely arranged, so that the length of the rotary calciner is longer, the temperature field in the rotary calciner is more stable due to the increase of the length of the rotary calciner, the material reaction time is ensured, the quality of a finished product is more stable, the qualification rate of the finished product is improved, and the yield is improved.
Through setting up high Wen Fuju device, at high temperature, the flue gas dust adheres on high Wen Fuju device, has played the effect of entrapment dust, has reduced the dust content of flue gas, reduces the tail gas treatment equipment input of production line, has reduced tail gas treatment cost greatly.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model.
In the figure: 1. a discharge hole 2, a burner 3, a riding wheel 4, a rotary calciner 5, a transmission gear 6 and a feeding screw, 7, a high-temperature polymerization sedimentation chamber, 8, a lifting machine, 9, a homogenization warehouse, 10, an inflatable plate, 11, a flue gas outlet, 12 and a feeding bin.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1, for an embodiment of an aluminum ash production granular calcium aluminate calciner of the present utility model, an aluminum ash production granular calcium aluminate calciner comprises a rotary calciner 4 for calcining aluminum ash production granular calcium aluminate, four riding wheels 3 for supporting the rotary calciner 4, a combustor 2 for burning, a discharge port 1 for discharging, a feed bin 12 for feeding, and a transmission gear 5 for driving the rotary calciner 4, wherein the rotary calciner 4 is obliquely arranged, the combustor 2 is arranged at one end of the bottom of the rotary calciner 4, the discharge port 1 is arranged below one end of the bottom of the rotary calciner 4, one end of the rotary calciner 4 at the top is provided with a feed screw 6 for controlling feeding, and a flue gas collecting device for collecting flue gas, the flue gas collecting device comprises a high-temperature polymerization sedimentation chamber 7, and the feed bin 12 is connected with a feed bin airflow homogenizing device. By arranging the feeding bin 12 and the feeding bin airflow homogenizing device, the feeding bin 12 adopts airflow homogenization, so that the uniformity of the mixture is facilitated, the layering of the mixture is avoided, and the qualification rate of the finished product is ensured; the rotary calciner 4 is provided with four riding wheels to provide support, so that the rigidity of the rotary calciner 4 is enhanced, and the equipment is more stable in operation. The rotary calciner 4 is obliquely arranged, so that the length of the rotary calciner 4 is longer, the temperature field in the kiln is more stable due to the increase of the length of the rotary calciner 4, the material reaction time is ensured, the qualification rate of finished products is improved, and the yield is improved; the high-temperature polymerization sedimentation chamber 7 is internally provided with the partition in the shape of the Chinese character 'hui', and at high temperature, the flue gas and the dust adhere to the partition in the shape of the Chinese character 'hui', thereby playing the role of capturing the dust, reducing the dust content of the flue gas, reducing the investment of tail gas treatment equipment of a production line and greatly reducing the tail gas treatment cost.
In this embodiment, the high temperature polymerization settling chamber 7 is provided with a flue gas outlet 11. The flue gas outlet 11 is for flue gas passage.
In this embodiment, the feed bin air flow homogenizing device comprises a homogenizing warehouse 9. The homogenization silo 9 is used for air flow homogenization of the feed bin.
In the embodiment, the rotary calciner 4 is internally provided with the composite furnace lining, and the composite furnace lining is in the prior art, so that the wear resistance and strength of the furnace wall are enhanced, and the failure rate of the calciner is reduced. The composite furnace lining also greatly reduces the heat flux density of the furnace wall, reduces the consumption of natural gas per ton of finished products, and greatly saves energy consumption.
In this embodiment, the transmission gear 5 is disposed in the middle of the rotary calciner 4. And the transmission gear 5 is used for driving the rotary calciner 4 to rotate, so that the temperature field in the rotary calciner 4 is more stable.
In this embodiment, a lifter 8 is disposed between the high-temperature polymerization settling chamber 7 and the homogenization silo 9. The elevator 8 is of prior art for lifting material from a low place to a high place.
In this embodiment, an aeration panel 10 is disposed at the bottom of the homogenization silo 9. Is inflated by the inflation plate 10 to ensure the mixing, uniformity and stability of the materials in the homogenization silo 9.
In the embodiment, the feeding bin 12 and the homogenizing bin 9 are arranged, so that the feeding bin 12 adopts airflow homogenization, the uniformity of the mixture is facilitated, the layering of the mixture is avoided, and the qualification rate of the finished product is ensured;
the composite furnace lining is arranged in the rotary calciner 4, so that the wear resistance and strength of the furnace wall are enhanced, and the failure rate of the calciner is reduced. The composite furnace lining also greatly reduces the heat flux density of the furnace wall, reduces the consumption of natural gas per ton of finished products, and greatly saves energy consumption.
The rotary calciner 4 is provided with four riding wheels to provide support, so that the rigidity of the rotary calciner 4 is enhanced, and the equipment is more stable in operation. The rotary calciner 4 is obliquely arranged, so that the length of the rotary calciner 4 is longer, the temperature field in the kiln is more stable due to the increase of the length of the rotary calciner 4, the material reaction time is ensured, the qualification rate of finished products is improved, and the yield is improved.
By arranging the high-temperature polymerization sedimentation chamber 7, at high temperature, the smoke and dust adhere to the partition in the shape of the Chinese character 'hui', thereby playing the role of trapping dust, reducing the dust content of the smoke, reducing the investment of tail gas treatment equipment of a production line and greatly reducing the tail gas treatment cost.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (7)
1. The utility model provides an aluminum ash production granule calcium aluminate calciner, its characterized in that, including being used for calcining the gyration calciner (4) of aluminum ash production granule calcium aluminate, being used for supporting four riding wheels (3) of gyration calciner (4), being used for combustor (2), being used for the discharge gate (1) of ejection of compact, feeding storehouse (12) that are used for the feeding, be used for driving transmission gear (5) of gyration calciner (4), gyration calciner (4) slope setting, combustor (2) are established on gyration calciner (4) bottom one end, discharge gate (1) are located the below of gyration calciner (4) bottom one end, the one end that gyration calciner (4) are located the top is equipped with feeding spiral (6) that are used for controlling the feeding, is used for collecting flue gas collection device, flue gas collection device includes high temperature polymerization sedimentation chamber (7), feeding storehouse (12) are connected with feeding storehouse air current homogenization device.
2. The calciner for producing granular calcium aluminate from aluminium ash according to claim 1, characterized in that the high temperature polymerization settling chamber (7) is provided with a flue gas outlet (11).
3. The calciner for producing particulate calcium aluminate from aluminium ash according to claim 1, characterized in that the feed bin airflow homogenising device comprises a homogenising bin (9).
4. The calciner for producing granular calcium aluminate from aluminium ash according to claim 1, characterized in that a composite furnace lining is arranged in the rotary calciner (4).
5. The calciner for producing granular calcium aluminate from aluminium ash according to claim 1, characterized in that the transmission gear (5) is arranged in the middle of the rotary calciner (4).
6. The calciner for producing granular calcium aluminate from aluminium ash according to claim 1, characterized in that a lifter (8) is arranged between the high temperature polymerization settling chamber (7) and the homogenization silo (9).
7. A calciner for producing granular calcium aluminate from aluminium ash according to claim 3, characterised in that the bottom of the homogenisation silo (9) is provided with an aeration plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397324.0U CN220793812U (en) | 2023-09-05 | 2023-09-05 | Granular calcium aluminate calciner for producing aluminum ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322397324.0U CN220793812U (en) | 2023-09-05 | 2023-09-05 | Granular calcium aluminate calciner for producing aluminum ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220793812U true CN220793812U (en) | 2024-04-16 |
Family
ID=90653916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322397324.0U Active CN220793812U (en) | 2023-09-05 | 2023-09-05 | Granular calcium aluminate calciner for producing aluminum ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220793812U (en) |
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2023
- 2023-09-05 CN CN202322397324.0U patent/CN220793812U/en active Active
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