CN220601943U - Quick drying rotary kiln for mixed raw materials - Google Patents
Quick drying rotary kiln for mixed raw materials Download PDFInfo
- Publication number
- CN220601943U CN220601943U CN202322317800.3U CN202322317800U CN220601943U CN 220601943 U CN220601943 U CN 220601943U CN 202322317800 U CN202322317800 U CN 202322317800U CN 220601943 U CN220601943 U CN 220601943U
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- CN
- China
- Prior art keywords
- rotary kiln
- raw materials
- mixed raw
- screen
- feed hopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002994 raw material Substances 0.000 title claims abstract description 41
- 238000001035 drying Methods 0.000 title claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000012216 screening Methods 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 abstract description 5
- 239000003517 fume Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Abstract
The utility model belongs to the technical field of rotary kiln devices, and particularly discloses a mixed raw material quick drying rotary kiln which comprises a rotary kiln body and a raw material mixing and screening device, wherein the raw material mixing and screening device comprises a feed hopper, a screen is arranged in the feed hopper, a stirrer is arranged above the screen, and a rotating shaft of the stirrer is perpendicular to the upper surface of the screen; the bottom of the feed hopper is provided with a discharge valve which is communicated with the rotary kiln body through a connecting component. The raw material mixing speed can be accelerated through the stirrer and the screen mesh, the discharging process is controlled through the discharging valve, and the drying efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of rotary kiln devices, and particularly relates to a mixed raw material quick drying rotary kiln.
Background
The rotary kiln is a heating device which can uniformly heat mixed raw materials and can heat while rotating; is suitable for processing powder. However, the existing rotary kiln is single, and the rotation and heating rate of the existing rotary kiln cannot meet the increasing production efficiency requirement.
The utility model provides a cement rotary kiln of domestic waste is handled to high efficiency, it is including the kiln tail petticoat pipe that connects gradually, kiln body and kiln hood, one side of kiln tail petticoat pipe is provided with the filter, the drying apparatus and heat exchanger, the top is provided with first blast pipe, a plurality of conveyer belts have been arranged in the drying apparatus, the top of drying apparatus is provided with the second blast pipe, the material discharging pipe stretches into the inside of kiln body, the bottom in the drying apparatus is provided with pivot and helical blade, first blast pipe and second blast pipe all communicate with the house steward that discharges fume through the branch pipe that discharges fume, be provided with gas mixer on the house steward that discharges fume, the tip and the atomizer intercommunication of house steward that discharges fume, although it can stabilize the temperature, make the burning more abundant, but its main application is in domestic waste's processing, can not mix the raw materials fast well, accelerate drying efficiency.
Disclosure of Invention
Aiming at the problems of low mixing speed and low drying efficiency of the raw materials of the rotary kiln in the prior art, the quick drying rotary kiln for the mixed raw materials is provided. The utility model provides the following technical scheme:
the quick drying rotary kiln for the mixed raw materials comprises a rotary kiln body and further comprises a raw material mixing and screening device, wherein the raw material mixing and screening device comprises a feed hopper, a screen is arranged in the feed hopper, a stirrer is arranged above the screen, and a rotating shaft of the stirrer is perpendicular to the upper surface of the screen; the bottom of the feed hopper is provided with a discharge valve which is communicated with the rotary kiln body through a connecting component. According to the utility model, the mixing speed of raw materials can be increased through the stirrer and the screen, the discharging process is controlled through the discharging valve, and the drying efficiency is improved.
Preferably, the connecting assembly comprises a feeding disc and a feeding auger, wherein two ends of the feeding disc are respectively connected with a discharging valve and the feeding auger, and the discharging end of the feeding auger is connected with the rotary kiln body.
Preferably, a feeding port is arranged above the feeding hopper, and the feeding port is in a bucket shape.
Preferably, a fixing frame is arranged below the feeding port, the stirrer comprises a stirring rod and stirring blades, and the stirring blades are hoisted on the fixing frame through the stirring rod.
Preferably, the screen is fixedly connected with a rotating seat, and the lower end of the stirring blade is rotationally connected with the rotating seat through a bearing.
Preferably, the feed hopper comprises an upper housing and a lower housing, the screen being disposed between the upper housing and the lower housing.
Preferably, a vibrator is arranged on the side wall of the lower shell.
Preferably, the rotary kiln body is provided with an exhaust port, the bottom of the feeding plate is provided with a first heating bin, and the exhaust port is communicated and connected with the first heating bin through an air return pipeline.
Preferably, the second heating bin is fixedly connected to the outer wall of the feed hopper, and the first heating bin is connected with the second heating bin in a communicating manner.
Preferably, a fan is arranged on the air return pipeline.
Compared with the prior art, the utility model has the following beneficial effects:
1. the mixing speed of raw materials is increased through the stirrer and the screen, the discharging process is controlled through the discharging valve, and the drying efficiency is improved;
2. the raw materials after screening and mixing can be received through the feeding tray and sent to the feeding auger, and the feeding speed can be conveniently and quickly adjusted by adjusting the rotating speed of the feeding auger;
3. the rotary seat is fixedly connected to the screen, the lower end of the stirring blade is rotationally connected to the rotary seat through the bearing, and the stirring blade can stir raw materials to promote mixing and screening.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the attached drawings, 1, a feed inlet; 2. a fixing frame; 3. a stirring rod; 4. stirring the leaves; 5. a screen; 6. a spring; 7. a feed hopper; 8. a second heating bin; 9. a vibrator; 10. a discharging valve; 11. a feeding tray; 12. a first heating bin; 13. feeding augers; 14. a rotary kiln body; 15. an exhaust port; 16. an air return pipeline; 17. a blower; 18. and an exhaust pipe.
Detailed Description
The directional words such as "upper", "lower", "left", "right", and the like, used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the utility model.
As shown in FIG. 1, the quick drying rotary kiln for mixed raw materials comprises a rotary kiln body 14 and a raw material mixing and screening device, wherein the raw material mixing and screening device comprises a feed hopper 7, a screen 5 is arranged in the feed hopper 7, a stirrer is arranged above the screen 5, and a rotation shaft of the stirrer is perpendicular to the upper surface of the screen 5; the bottom of the feed hopper 7 is provided with a discharge valve 10, and the discharge valve 10 is communicated with a rotary kiln body 14 through a connecting component. The mixing speed of raw materials can be increased through the stirrer and the screen 5, and the discharging process is controlled through the discharging valve 10, so that the drying efficiency is improved.
Further, the connecting assembly comprises a feeding disc 11 and a feeding auger 13, the feeding disc 11 is obliquely arranged, two ends of the feeding disc are respectively connected with a discharging valve 10 and the feeding auger 13, raw materials after screening and mixing can be received and conveyed to the feeding auger 13, the discharge end of the feeding auger 13 is connected with a rotary kiln body 14, and the feeding speed can be conveniently adjusted by adjusting the rotating speed of the feeding auger 13.
Further, the feed hopper 7 comprises an upper housing and a lower housing, between which the screen 5 is arranged. A spring 6 is connected between the screen 5 and the upper shell or the lower shell, and the spring 6 is arranged on the periphery of the feed hopper 7, so that the screen 5 can generate certain vibration to accelerate the screening process; the feed inlet 1 is arranged above the feed hopper 7, and the feed inlet 1 is in a bucket shape, so that raw materials can be conveniently poured in. A cross-shaped fixing frame 2 is arranged below the feed inlet 1, the stirrer comprises a stirring rod 3 and stirring blades 4, and the stirring blades 4 are hoisted on the fixing frame 2 through the stirring rod 3. The screen 5 is fixedly connected with a rotating seat, the lower end of the stirring blade 4 is rotationally connected with the rotating seat through a bearing, and after the raw materials fall onto the screen 5, the stirring blade 4 can stir the raw materials to promote mixing and screening; the screen 5 can provide a certain support for the stirrer through the rotating seat, so that the running stability of the stirrer is improved.
Further, be provided with vibrator 9 on the lower casing lateral wall, can prevent the raw materials caking, promote raw materials homogeneity.
Further, an exhaust port 15 is arranged on the rotary kiln body 14, a first heating bin 12 is arranged at the bottom of the feeding tray 11, and the exhaust port 15 is communicated and connected with the first heating bin 12 through an air return pipeline 16. The second heating bin 8 is fixedly connected to the outer wall of the feed hopper 7, the first heating bin 12 is connected with the second heating bin 8 in a communicating mode, the exhaust pipe 18 is connected to the outer side of the second heating bin 8, and cooled gas can be discharged. The return air duct 16 is provided with a fan 17 to promote the flow of hot air. The high-temperature gas in the rotary kiln body 14 can be utilized to heat the feeding tray 11 and the feeding hopper 7 so as to preheat raw materials, thereby being beneficial to improving the drying speed and saving energy.
Claims (10)
1. The quick drying rotary kiln for mixed raw materials comprises a rotary kiln body (14) and is characterized by further comprising a raw material mixing and screening device, wherein the raw material mixing and screening device comprises a feed hopper (7), a screen (5) is arranged in the feed hopper (7), a stirrer is arranged above the screen (5), and a rotation shaft of the stirrer is perpendicular to the upper surface of the screen (5); the bottom of the feed hopper (7) is provided with a discharge valve (10), and the discharge valve (10) is communicated with the rotary kiln body (14) through a connecting component.
2. The quick drying rotary kiln for mixed raw materials according to claim 1, wherein the connecting component comprises a feeding disc (11) and a feeding auger (13), two ends of the feeding disc (11) are respectively connected with a discharging valve (10) and the feeding auger (13), and a discharging end of the feeding auger (13) is connected with a rotary kiln body (14).
3. The quick drying rotary kiln for mixed raw materials according to claim 1 or 2, wherein a feed inlet (1) is arranged above the feed hopper (7), and the feed inlet (1) is in a bucket shape.
4. The mixed raw material quick drying rotary kiln according to claim 3, wherein a fixing frame (2) is arranged below the feeding port (1), the stirrer comprises a stirring rod (3) and stirring blades (4), and the stirring blades (4) are hoisted on the fixing frame (2) through the stirring rod (3).
5. The quick drying rotary kiln for mixed raw materials according to claim 4, wherein a rotary seat is fixedly connected to the screen (5), and the lower end of the stirring blade (4) is rotatably connected to the rotary seat through a bearing.
6. The rapid drying rotary kiln for mixed raw materials as claimed in claim 1, characterized in that the feed hopper (7) comprises an upper housing and a lower housing, between which the screen (5) is arranged.
7. The rapid drying rotary kiln for mixed raw materials according to claim 6, wherein a vibrator (9) is provided on the side wall of the lower housing.
8. The quick drying rotary kiln for mixed raw materials according to claim 2, wherein an exhaust port (15) is arranged on the rotary kiln body (14), a first heating bin (12) is arranged at the bottom of the feeding disc (11), and the exhaust port (15) is communicated and connected with the first heating bin (12) through an air return pipeline (16).
9. The quick drying rotary kiln for mixed raw materials according to claim 8, wherein the outer wall of the feed hopper (7) is fixedly connected with a second heating bin (8), and the first heating bin (12) is connected with the second heating bin (8) in a communicating manner.
10. The rapid drying rotary kiln for mixed raw materials according to claim 8, characterized in that a fan (17) is arranged on the return air pipeline (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322317800.3U CN220601943U (en) | 2023-08-28 | 2023-08-28 | Quick drying rotary kiln for mixed raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322317800.3U CN220601943U (en) | 2023-08-28 | 2023-08-28 | Quick drying rotary kiln for mixed raw materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220601943U true CN220601943U (en) | 2024-03-15 |
Family
ID=90174882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322317800.3U Active CN220601943U (en) | 2023-08-28 | 2023-08-28 | Quick drying rotary kiln for mixed raw materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220601943U (en) |
-
2023
- 2023-08-28 CN CN202322317800.3U patent/CN220601943U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |