CN219318977U - Waste heat recovery device for production of drying type aluminum hydroxide - Google Patents
Waste heat recovery device for production of drying type aluminum hydroxide Download PDFInfo
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- CN219318977U CN219318977U CN202320034039.XU CN202320034039U CN219318977U CN 219318977 U CN219318977 U CN 219318977U CN 202320034039 U CN202320034039 U CN 202320034039U CN 219318977 U CN219318977 U CN 219318977U
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- aluminum hydroxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model relates to the technical field of drying type aluminum hydroxide production, and discloses a waste heat recovery device for drying type aluminum hydroxide production, wherein in the drying production of aluminum hydroxide by using a dryer, the feeding port and the discharging port are the positions for feeding and taking aluminum hydroxide, the air outlet heat in the dryer is collected by the first air outlet and the second air outlet, the hot air is led to the third pipeline from the second pipeline by a draught fan, finally, the hot air enters a heat recovery device from the first inlet, the heat is sent to the fourth pipeline from the second pipeline by a blower, finally, the heat enters the dryer again through the air inlet, waste flue gas is discharged from the first outlet and the fifth pipeline, the heat energy required by drying the aluminum hydroxide is improved by the recoverable heat, the production cost is reduced, the full recycling of the heat is ensured by the heat recovery device, and the heat loss and the waste are avoided.
Description
Technical Field
The utility model belongs to the technical field of production of drying type aluminum hydroxide, and particularly relates to a waste heat recovery device for production of drying type aluminum hydroxide.
Background
Currently, in alumina industrial production systems, a dryer is used as the last step in the production process where aluminum hydroxide is dried to remove the water of crystallization therein and form the final sandy alumina finished product. The aluminum hydroxide dryer is mainly adopted in China, the drying temperature is generally controlled to be 1000-1100 ℃, the temperature of a high-temperature area of the dryer is higher than 1600 ℃, qualified metallurgical-grade aluminum oxide products can be produced, the aluminum hydroxide dryer consumes more energy in the drying process, a phenomenon that much heat is wasted exists, heat cannot be fully recovered, and in heat recovery, internal dust and smoke are easy to block the recovery process, and the recovery effect and efficiency are affected.
Disclosure of Invention
The utility model aims at providing a waste heat recovery device for producing the drying type aluminum hydroxide aiming at the existing device, and has the advantages of improving the heat recovery efficiency and conveniently reducing the blockage.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a waste heat recovery device is used in production of stoving formula aluminium hydroxide, includes the drying-machine, the top of drying-machine communicates respectively has air intake, air outlet first and air outlet second, the inside all communicates of air outlet first and air outlet second has pipeline first, the top intercommunication of pipeline first has pipeline second, the top intercommunication of pipeline second has the draught fan, the air outlet intercommunication of draught fan has pipeline third, the top of drying-machine is equipped with the heat recovery ware, the both ends of heat recovery ware are fixedly connected with import first and export first respectively, the both ends at heat recovery ware top are fixedly connected with import second and export second respectively, the one end of import second is equipped with the air-blower, the one end fixedly connected with pipeline fourth of export second, one end fixedly connected with pipeline fifth of export first and air outlet second, one side of air outlet first and air outlet second all is equipped with the block, one side fixedly connected with runs through to the filter screen of air outlet first and air outlet second inside, one side of air outlet first and air outlet second inside is all fixedly mounted with cooperation filter cartridge that connects the opposite side, the support piece is fixedly connected with the support piece, support piece is fixedly connected with the bottom of support plate fixedly connected with the support plate.
The technical scheme is adopted: in the use of the dryer to dry the aluminum hydroxide, the position of putting in and taking out the aluminum hydroxide through feed inlet and discharge gate, collect the inside air-out heat of dryer through air outlet one and air outlet two, be the dryer air-out position through air outlet one and air outlet two, and finally get into the heat recoverer by inlet one, through the heat recoverer, the heat is sent to the pipeline four from outlet two by the air-blower, finally get into inside the dryer again through the air intake, and abandonment flue gas will be discharged by outlet one and pipeline five, required heat energy when aluminum hydroxide is dried has been improved through recoverable heat, and manufacturing cost is reduced, and ensure the abundant recycle of heat through the heat recoverer, avoid heat loss and extravagant, in the use of the dryer to dry the aluminum hydroxide, through air outlet one and air outlet two, and through the installation of filter screen, dust and powder that air outlet one and air outlet two were got out, through pinching piece operation block and filter screen, carry out the slip joint to air outlet one and air outlet two sides, the filter screen slip joint location, ensure the seal performance between rubber layer and pipeline one, the effect of heat recovery block and the support is fixed to the support plate has been avoided through setting up the filter screen, the effect of heat recovery has been avoided in the support plate to the effect of recovering heat recovery.
The utility model is further arranged that the other end of the third pipeline is fixedly connected with one end of the first inlet.
The technical scheme is adopted: and blowing the wind of the induced draft fan to the first inlet through the third pipeline.
The utility model further provides that the blast opening of the blower is fixedly connected with a pipeline six fixedly connected with the inlet II.
The technical scheme is adopted: and blowing the air of the blower to the inlet II through a pipeline six.
The utility model is further arranged that one side of the block body is fixedly connected with a rubber layer.
The technical scheme is adopted: the rubber layer ensures tightness between the block and the first pipe.
The utility model is further characterized in that a feed inlet and a discharge outlet are respectively and fixedly arranged at two ends of the dryer.
The technical scheme is adopted: the feeding hole and the discharging hole are the positions for putting and taking aluminum hydroxide.
In summary, the utility model has the following beneficial effects:
1. in the process of drying and producing aluminum hydroxide by using a dryer, the positions of a feeding port and a discharging port for throwing and taking aluminum hydroxide are adopted, the heat of the air outlet in the dryer is collected through the first air outlet and the second air outlet, the hot air is led to the third pipeline from the second pipeline by a draught fan, finally, the hot air enters a heat recoverer through the first inlet, the heat is sent to the fourth pipeline from the second outlet by a blower, finally, the heat reenters the dryer through the air inlet, the waste flue gas is discharged from the first outlet and the fifth pipeline, the heat energy required by drying the aluminum hydroxide is improved through the recoverable heat, the production cost is reduced, the full recycling of the heat is guaranteed through the heat recoverer, and the loss and the waste of the heat are avoided;
2. in the production of drying aluminum hydroxide by using a dryer, the air outlet position is the dryer air outlet position through the first air outlet and the second air outlet, dust and powder discharged by the first air outlet and the second air outlet are reduced through the installation of a filter screen, the filter screen is slidably inserted to one side of the first air outlet and one side of the second air outlet through a block pinching operation block body and the filter screen, a clamping block is matched with the filter screen to be slidably inserted and positioned, the rubber layer ensures the tightness between the block body and the first pipeline, the dust and the powder in the existing waste heat recovery are prevented from blocking the pipeline through the arrangement of the filter screen, the influence on the heat recovery effect is avoided, and the heat recovery efficiency is guaranteed.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
fig. 3 is an enlarged partial cross-sectional view of the structure of the present utility model.
Reference numerals: 1. a dryer; 2. a feed inlet; 3. a discharge port; 4. an air inlet; 5. an air outlet I; 6. an air outlet II; 7. a first pipeline; 8. a second pipeline; 9. a third pipeline; 10. a fourth pipeline; 11. a fifth pipeline; 12. an inlet I; 13. an outlet I; 14. a sixth pipeline; 15. a blower; 16. an induced draft fan; 17. inlet II; 18. an outlet II; 19. a heat recoverer; 20. a filter screen; 21. a block; 22. a clamping block; 23. kneading blocks; 24. a bearing plate; 25. and a supporting block.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1 and 2, a waste heat recovery device for producing dried aluminum hydroxide comprises a dryer 1, wherein the top of the dryer 1 is respectively communicated with an air inlet 4, an air outlet 5 and an air outlet 6, the interiors of the air outlet 5 and the air outlet 6 are respectively communicated with a first pipeline 7, the top of the first pipeline 7 is communicated with a second pipeline 8, the top of the second pipeline 8 is communicated with an induced draft fan 16, the air outlet of the induced draft fan 16 is communicated with a third pipeline 9, the top of the dryer 1 is provided with a heat recoverer 19, two ends of the heat recoverer 19 are respectively and fixedly connected with an inlet first 12 and an outlet first 13, two ends of the top of the heat recoverer 19 are respectively and fixedly connected with an inlet second 17 and an outlet second 18, one end of the inlet second 17 is provided with a blower 15, one end of the outlet second 18 is fixedly connected with a fourth pipeline 10 communicated with the air inlet 4, one end of the outlet first 13 is fixedly connected with a fifth pipeline 11, the other end of the pipeline III 9 is fixedly connected with one end of the inlet I12, the air of the induced draft fan 16 is blown to the inlet I12 through the pipeline III 9, the blast port of the air blower 15 is fixedly connected with the pipeline VI 14 fixedly connected with the inlet II 17, the air of the air blower 15 is blown to the inlet II 17 through the pipeline VI 14, the two ends of the dryer 1 are respectively fixedly provided with the feed inlet 2 and the discharge outlet 3, the feed inlet 2 and the discharge outlet 3 are the positions of throwing and taking aluminum hydroxide, in the process of drying the aluminum hydroxide by using the dryer 1, the positions of throwing and taking aluminum hydroxide are adopted by the feed inlet 2 and the discharge outlet 3, the air-out heat in the dryer 1 is collected by the air outlet I5 and the air outlet II 6, the air is led to the pipeline III 9 by the induced draft fan 16, finally the hot air enters the heat recoverer 19 by the inlet I12, the heat recoverer 19 is adopted by the heat recoverer 19, the heat is sent to the pipeline IV 10 from the outlet II 18 by the blower 15, finally enters the dryer 1 again through the air inlet 4, and the waste flue gas is discharged from the outlet I13 and the pipeline IV 11, so that the heat energy required by drying the aluminum hydroxide is improved through the recoverable heat, the production cost is reduced, the full recycling of the heat is ensured through the heat recoverer 19, and the heat loss and waste are avoided.
The use process is briefly described: in the process of using the dryer 1 to dry and produce aluminum hydroxide, the positions of the feeding port 2 and the discharging port 3 for throwing and taking aluminum hydroxide are utilized, the heat of the air outlet in the dryer 1 is collected through the first air outlet 5 and the second air outlet 6, the hot air is led to the third pipeline 9 from the second pipeline 8 through the induced draft fan 16, finally, the heat enters the heat recoverer 19 through the first inlet 12, the heat is sent to the fourth pipeline 10 from the second outlet 18 through the air blower 15, finally, the air enters the dryer 1 again through the air inlet 4, the waste flue gas is discharged from the first outlet 13 and the fifth pipeline 11, the heat energy required by drying the aluminum hydroxide is improved through the recoverable heat, the production cost is reduced, the full recycling of the heat is guaranteed through the heat recoverer 19, and the loss and the waste of the heat are avoided.
Example 2:
referring to fig. 1, fig. 2 and fig. 3, a waste heat recovery device is used in production of stoving formula aluminium hydroxide, including drying-machine 1, one side of air outlet one 5 and air outlet two 6 all is equipped with block 21, one side fixedly connected with of block 21 runs through to the inside filter screen 20 of air outlet one 5 and air outlet two 6, one side of air outlet one 5 and air outlet two 6 inside all fixed mounting has the fixture block 22 that cooperation filter screen 20 joint used, the opposite side fixedly connected with of block 21 holds between the fingers piece 23, the bottom fixedly connected with supporting shoe 25 of drying-machine 1, the bottom fixedly connected with supporting shoe 24 of supporting shoe 25, one side fixedly connected with rubber layer of block 21, the rubber layer ensures the leakproofness between block 21 and the pipeline one 7, in using drying-machine 1 to dry the aluminium hydroxide production, through air outlet one 5 and air outlet two 6 for drying-machine 1 air outlet position, and through the installation of filter screen 20, the air outlet one 5 and air outlet two 6 air outlet and powder have been reduced, through holding between the supporting shoe 23 operation block 21 and filter screen 20, carry out the sliding block 20 to air outlet one 5 and air outlet two 6 one side and carry out plug-in the support block 22, the sealing performance between the supporting shoe 20 and the pipeline 20 has been avoided, the sealing performance is guaranteed to the sealing performance between the supporting shoe 20 and the pipeline 1, and the sealing performance is guaranteed to be the sealing performance is guaranteed to the sealing performance between the supporting shoe 20, and the duct is guaranteed.
The use process is briefly described: in the process of using the dryer 1 to dry and produce aluminum hydroxide, the air outlet position of the dryer 1 is defined by the air outlet I5 and the air outlet II 6, dust and powder discharged by the air outlet I5 and the air outlet II 6 are reduced by installing the filter screen 20, the filter screen 20 is slidably inserted to one side of the air outlet I5 and one side of the air outlet II 6 by operating the block 21 and the filter screen 20 through the pinching block 23, the clamping block 22 is slidably inserted and positioned by matching with the filter screen 20, the tightness between the block 21 and the pipeline I7 is ensured by the rubber layer, the blocking of the pipeline by dust and powder in the existing waste heat recovery and the influence on the heat recovery effect are avoided by the arrangement of the filter screen 20, and the heat recovery efficiency is guaranteed by the supporting block 25 and the supporting plate 24.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (5)
1. The utility model provides a waste heat recovery device is used in production of stoving formula aluminium hydroxide, includes drying-machine (1), its characterized in that: the top of dryer (1) is linked together respectively and is had air intake (4), air outlet one (5) and air outlet two (6), the inside of air outlet one (5) and air outlet two (6) all is linked together and is had pipeline one (7), the top intercommunication of pipeline one (7) has pipeline two (8), the top intercommunication of pipeline two (8) has draught fan (16), the air outlet intercommunication of draught fan (16) has pipeline three (9), the top of dryer (1) is equipped with heat recovery ware (19), the both ends of heat recovery ware (19) are fixedly connected with import one (12) and export one (13) respectively, the both ends at heat recovery ware (19) top are fixedly connected with import two (17) and export two (18) respectively, the one end of import two (17) is equipped with air-blower (15), the one end fixedly connected with pipeline four (10) that are linked together with air intake (4), the one end fixedly connected with pipeline five (11) of export one (13), the both ends of air outlet one (5) and air outlet two (6) are equipped with one side of filter screen one side (21) is connected with one side of the inside (20) of the filter screen one (21), the novel dryer is characterized in that clamping blocks (22) matched with a filter screen (20) in a clamping mode are fixedly arranged on one side of the inside of the first air outlet (5) and one side of the inside of the second air outlet (6), a pinching block (23) is fixedly connected to the other side of the block (21), a supporting block (25) is fixedly connected to the bottom of the dryer (1), and a supporting plate (24) is fixedly arranged at the bottom of the supporting block (25).
2. The waste heat recovery device for producing dried aluminum hydroxide according to claim 1, wherein: the other end of the third pipeline (9) is fixedly connected with one end of the first inlet (12).
3. The waste heat recovery device for producing dried aluminum hydroxide according to claim 1, wherein: and a blast orifice of the blower (15) is fixedly connected with a pipeline six (14) fixedly connected with the inlet two (17).
4. The waste heat recovery device for producing dried aluminum hydroxide according to claim 1, wherein: one side of the block body (21) is fixedly connected with a rubber layer.
5. The waste heat recovery device for producing dried aluminum hydroxide according to claim 1, wherein: two ends of the dryer (1) are respectively fixedly provided with a feed inlet (2) and a discharge outlet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320034039.XU CN219318977U (en) | 2023-01-06 | 2023-01-06 | Waste heat recovery device for production of drying type aluminum hydroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320034039.XU CN219318977U (en) | 2023-01-06 | 2023-01-06 | Waste heat recovery device for production of drying type aluminum hydroxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219318977U true CN219318977U (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320034039.XU Active CN219318977U (en) | 2023-01-06 | 2023-01-06 | Waste heat recovery device for production of drying type aluminum hydroxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219318977U (en) |
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2023
- 2023-01-06 CN CN202320034039.XU patent/CN219318977U/en active Active
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