CN214747153U - Firing equipment for cerium oxide kiln - Google Patents
Firing equipment for cerium oxide kiln Download PDFInfo
- Publication number
- CN214747153U CN214747153U CN202120581737.2U CN202120581737U CN214747153U CN 214747153 U CN214747153 U CN 214747153U CN 202120581737 U CN202120581737 U CN 202120581737U CN 214747153 U CN214747153 U CN 214747153U
- Authority
- CN
- China
- Prior art keywords
- kiln
- pipe
- cerium oxide
- fixedly connected
- wall
- 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
- 229910000420 cerium oxide Inorganic materials 0.000 title claims abstract description 29
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000010304 firing Methods 0.000 title claims abstract description 9
- 244000309464 bull Species 0.000 claims description 11
- 239000002912 waste gas Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000000197 pyrolysis Methods 0.000 abstract description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 7
- -1 rare earth carbonate Chemical class 0.000 description 5
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002910 rare earth metals Chemical group 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model belongs to the technical field of the cerium oxide preparation, especially, cerium oxide kiln firing equipment now provides following scheme, and it includes kiln body and rectangle case, one side of rectangle case is rotated and is connected with the rotary kiln pipe, the one end of rotary kiln pipe extends to the inside of kiln body, one side of kiln body is provided with and is used for driving rotary kiln pipe pivoted drive assembly, the blast pipe that the top fixedly connected with of rectangle case is linked together, blast pipe inner wall fixed mounting has filter screen and a plurality of dead lever. The utility model discloses simple structure takes away the waste gas of kiln intraductal carbonic acid tombarthite pyrolysis output through negative-pressure air fan, and the air current of waste gas can drive the brush hair and rotate, and the pivoted in-process of brush hair can clean the filter screen, avoids the filter screen to block up and influence the exhaust, and the chloride ion content is about 0.05% in the head air exhaust method cerium oxide product, and product quality is high, convenient to use.
Description
Technical Field
The utility model relates to a cerium oxide preparation technical field especially relates to a cerium oxide kiln firing equipment.
Background
Cerium oxide is an inorganic substance with a chemical formula of CeO2Light yellow or tan colored co-powders. Density 7.13g/cm3Melting point 2397 deg.C, insoluble in water and base, slightly soluble in acid. At 2000 deg.C and 15MPa pressure, the cerium oxide can be obtained by using hydrogen to reduce cerium oxide, and when the temperature is released within 2000 deg.C and the pressure is released within 5MPa, the cerium oxide is yellowish and reddish and also pink, and can be used as polishing material, catalyst carrier (adjuvant), ultraviolet absorbent, fuel cell electrolyte, automobile tail gas absorbent and electronic ceramic.
The existing cerium oxide kiln is generally characterized in that a negative pressure fan is arranged at the tail part of the kiln to pump away waste gas and cerium oxide products generated by thermal decomposition of rare earth carbonate in the kiln, the content of chloride ions in the cerium oxide products by the tail part air pumping method is about 0.09%, the product quality is not good enough, and when air is pumped, a part of the cerium oxide products can be taken away, so that waste is caused, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a cerium oxide kiln firing equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cerium oxide kiln firing equipment comprises a kiln body and a rectangular box, wherein one side of the rectangular box is rotatably connected with a rotary kiln tube, one end of the rotary kiln tube extends into the kiln body, one side of the kiln body is provided with a driving assembly for driving the rotary kiln tube to rotate, the top of the rectangular box is fixedly connected with an exhaust pipe communicated with each other, the inner wall of the exhaust pipe is fixedly provided with a filter screen and a plurality of fixed rods, one end of each fixed rod, which is close to each other, is fixedly provided with a same rotating plate, the inner wall of each rotating plate is rotatably connected with a second rotating rod, the outer wall of each second rotating rod is fixedly provided with a plurality of blades arranged at equal intervals, the bottom end of each second rotating rod penetrates through the filter screen, the outer wall of each second rotating rod is fixedly connected with a mounting plate, the top of the mounting plate is provided with brush bristles, and the tops of the brush bristles are abutted against the bottom of the filter screen, the rotary kiln is characterized in that a feed inlet and four air outlet holes are formed in one side, located inside the rectangular box, of the rotary kiln pipe, a spiral feeding machine is fixedly mounted on one side of the rectangular box, the discharge end of the spiral feeding machine penetrates through the rectangular box and the feed inlet and extends to the inside of the rotary kiln pipe, an inlet pipe is fixedly connected to the top of the spiral feeding machine and is communicated with the top of the inlet pipe, and the rectangular box is penetrated through the top of the inlet pipe.
Preferably, drive assembly establishes the gear wheel and the fixed connection of fixed connection in kiln body one side at the rotary kiln outer wall including fixed cover, the top fixedly connected with driving motor of fixed base, driving motor's output shaft runs through the first bull stick of fixed connection, fixed cover is equipped with the pinion on the outer wall of first bull stick, the pinion meshes with the gear wheel mutually.
Preferably, the outer wall of the second rotating rod is fixedly sleeved with a cylinder, and the plurality of blades are uniformly fixed on the outer wall of the cylinder.
Preferably, the top of the feeding pipe is fixedly connected with a feeding hopper communicated with the feeding pipe.
Preferably, the bottom of the rectangular box is fixedly connected with a discharge pipe communicated with the rectangular box, and the bottom of the discharge pipe is fixedly connected with a movable flange.
Preferably, the inner wall of the bottom of the rectangular box is fixedly connected with two symmetrically arranged guide plates.
Preferably, the rotary kiln tube is connected with the rectangular box through a felt, the rotary kiln tube is made of stainless steel, and a transparent window is arranged on one side of the rectangular box.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, rare earth carbonate is discharged into the feed pipe through the feed hopper and then is sent into the rotary kiln tube through the spiral feeder, the middle part of the rotary kiln tube is heated by gas, the rotary kiln tube is driven to rotate by starting the driving motor, and the continuous rotation of the rotary kiln tube can ensure that the rare earth carbonate is uniformly heated;
2. the utility model discloses in, through being connected negative-pressure air fan and blast pipe, negative-pressure air fan can take away the waste gas of the interior thermal decomposition output of rare earth carbonate of rotary kiln, the air current of waste gas can drive the blade and rotate, and the blade can drive second bull stick and brush hair and rotate, the pivoted in-process of brush hair can clean the filter screen, avoid the filter screen to block up and influence the exhaust, can look over the condition of piling up of rectangle bottom of the case dust through the transparent window, pile up when more, can open movable flange and discharge it.
The utility model discloses simple structure takes away the waste gas of kiln intraductal carbonic acid tombarthite pyrolysis output through negative-pressure air fan, and the air current of waste gas can drive the brush hair and rotate, and the pivoted in-process of brush hair can clean the filter screen, avoids the filter screen to block up and influence the exhaust, and the chloride ion content is about 0.05% in the head air exhaust method cerium oxide product, and product quality is high, convenient to use.
Drawings
Fig. 1 is a schematic view of a structure of a firing apparatus of a cerium oxide kiln according to the present invention;
fig. 2 is a schematic view of a front cross-sectional structure of a rectangular box of a firing apparatus of a cerium oxide kiln provided by the present invention;
FIG. 3 is an enlarged view of portion A of the present invention;
FIG. 4 is a schematic side view of the kiln tube of the rotary kiln of the present invention;
fig. 5 is a schematic connection diagram of the middle blade, the second rotating rod, the cylinder and the rotating plate of the present invention.
In the figure: 1. a kiln body; 2. a kiln tube of a rotary kiln; 3. a bull gear; 4. an exhaust pipe; 5. A feed pipe; 6. a feed hopper; 7. a screw feeder; 8. a rectangular box; 9. a movable flange; 10. a discharge pipe; 11. a pinion gear; 12. a first rotating lever; 13. a fixed seat; 14. a drive motor; 15. an air outlet; 16. fixing the rod; 17. a baffle; 18. a feed inlet; 19. a blade; 20. a second rotating rod; 21. a cylinder; 22. a rotating plate; 23. mounting a plate; 24. brushing; 25. filtering with a screen; 26. a transparent window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-5, a cerium oxide kiln burning device comprises a kiln body 1 and a rectangular box 8, one side of the rectangular box 8 is rotatably connected with a rotary kiln tube 2, one end of the rotary kiln tube 2 extends into the kiln body 1, one side of the kiln body 1 is provided with a driving assembly for driving the rotary kiln tube 2 to rotate, the top of the rectangular box 8 is fixedly connected with a communicated exhaust pipe 4, the inner wall of the exhaust pipe 4 is fixedly provided with a filter screen 25 and a plurality of fixing rods 16, one end of the fixing rods 16 close to each other is fixedly provided with a rotating plate 22, the inner wall of the rotating plate 22 is rotatably connected with a second rotating rod 20, the outer wall of the second rotating rod 20 is fixedly provided with a plurality of equally spaced blades 19, the bottom end of the second rotating rod 20 penetrates through the filter screen 25, the outer wall of the second rotating rod 20 is fixedly connected with a mounting plate 23, and the top of the mounting plate 23 is provided with bristles 24, the top of brush hair 24 is contradicted with the bottom of filter screen 25 mutually, and feed inlet 18 and four ventholes 15 have been seted up to the inside one side that rotary kiln pipe 2 lies in rectangular box 8, and rectangular box 8 one side fixed mounting has screw feeder 7, and the discharge end of screw feeder 7 runs through rectangular box 8 and feed inlet 18 and extends to the inside of rotary kiln pipe 2, and the inlet pipe 5 that the top fixedly connected with of screw feeder 7 is linked together, and rectangular box 8 is run through at the top of inlet pipe 5.
Example two
The embodiment is improved on the basis of the first embodiment: drive assembly establishes the gear wheel 3 and the fixing base 13 of fixed connection in 1 one side of kiln body at 2 outer walls of rotary kiln pipe including fixed cover, the top fixedly connected with driving motor 14 of fixing base 13, driving motor 14's output shaft runs through fixing base 13 and the first bull stick 12 of fixedly connected with, fixed cover is equipped with pinion 11 on the outer wall of first bull stick 12, pinion 11 meshes with gear wheel 3 mutually, the fixed cover of outer wall of second bull stick 20 is equipped with cylinder 21, a plurality of blades 19 are evenly fixed on cylinder 21's outer wall, the feed hopper 6 that the top fixedly connected with of inlet pipe 5 is linked together, discharging pipe 10 that the bottom fixedly connected with of rectangle case 8 is linked together, the bottom fixedly connected with movable flange 9 of discharging pipe 10.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment: two guide plates 17 that the bottom inner wall fixedly connected with symmetry of rectangle case 8 set up, rotary kiln pipe 2 and rectangle case 8 pass through the felt and connect, and rotary kiln pipe 2's material is stainless steel, and one side of rectangle case 8 is provided with transparent window 26.
The working principle is as follows: when in use, a negative pressure fan is connected with an exhaust pipe 4, rare earth carbonate is discharged into a feed pipe 5 through a feed hopper 6 and then is conveyed into a rotary kiln tube 2 through a screw feeder 7, the middle part of the rotary kiln tube 2 is heated by fuel gas, a driving motor 14 is started, an output shaft of the driving motor 14 drives a first rotating rod 12 to rotate, the first rotating rod 12 drives a pinion 11 to rotate, the pinion 11 drives a gearwheel 3 to rotate, the gearwheel 3 drives the rotary kiln tube 2 to rotate at a certain speed, the kiln head inclines by 15 degrees towards the kiln tail, a negative pressure fan at the kiln tail part pumps cerium oxide products, the rotation of the rotary kiln tube 2 enables the rare earth carbonate to be uniformly heated, the negative pressure fan can pump waste gas generated by thermal decomposition of the rare earth carbonate in the rotary kiln tube 2 and discharge the waste gas through the exhaust pipe 4, and the airflow of the waste gas can drive blades 19 to rotate, the blades 19 can drive the second rotating rod 20 to rotate, the second rotating rod 20 drives the mounting plate 23 to rotate, the mounting plate 23 drives the bristles 24 to rotate, and the bristles 24 rotate to prevent the filter screen 25 from being blocked.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a cerium oxide kiln firing equipment, includes kiln body (1) and rectangle case (8), its characterized in that, one side of rectangle case (8) is rotated and is connected with rotary kiln pipe (2), the one end of rotary kiln pipe (2) extends to the inside of kiln body (1), one side of kiln body (1) is provided with and is used for driving rotary kiln pipe (2) pivoted drive assembly, the top fixedly connected with blast pipe (4) that are linked together of rectangle case (8), blast pipe (4) inner wall fixed mounting has filter screen (25) and a plurality of dead lever (16), and the one end fixed mounting that a plurality of dead lever (16) are close to each other has same rotor plate (22), the inner wall of rotor plate (22) rotates and is connected with second bull stick (20), the outer wall fixed mounting of second bull stick (20) has a plurality of equidistant blades (19) that set up, the bottom of second bull stick (20) runs through filter screen (25), fixed mounting has mounting panel (23) on the outer wall of second bull stick (20), the top of mounting panel (23) is equipped with brush hair (24), the top of brush hair (24) is contradicted with the bottom of filter screen (25), feed inlet (18) and four ventholes (15) have been seted up to one side that rotary kiln pipe (2) are located rectangle case (8) inside, rectangle case (8) one side fixed mounting has spiral feeding machine (7), the discharge end of spiral feeding machine (7) runs through rectangle case (8) and feed inlet (18) and extends to the inside of rotary kiln pipe (2), inlet pipe (5) that the top fixedly connected with of spiral feeding machine (7) is linked together, rectangle case (8) is run through at the top of inlet pipe (5).
2. The cerium oxide kiln burning device as claimed in claim 1, wherein the driving assembly comprises a large gear (3) fixedly sleeved on the outer wall of the kiln tube (2) of the rotary kiln and a fixed seat (13) fixedly connected to one side of the kiln body (1), a driving motor (14) is fixedly connected to the top of the fixed seat (13), an output shaft of the driving motor (14) penetrates through the fixed seat (13) and is fixedly connected with a first rotating rod (12), a small gear (11) is fixedly sleeved on the outer wall of the first rotating rod (12), and the small gear (11) is meshed with the large gear (3).
3. The cerium oxide kiln burning apparatus as claimed in claim 1, wherein a cylinder (21) is fixedly sleeved on an outer wall of said second rotating rod (20), and a plurality of said blades (19) are uniformly fixed on an outer wall of the cylinder (21).
4. The cerium oxide kiln burning equipment as claimed in claim 1, wherein the top of the feeding pipe (5) is fixedly connected with a feeding hopper (6) communicated with each other.
5. The cerium oxide kiln burning equipment as claimed in claim 1, wherein the bottom of the rectangular box (8) is fixedly connected with a discharge pipe (10) communicated with each other, and the bottom of the discharge pipe (10) is fixedly connected with a movable flange (9).
6. The cerium oxide kiln burning equipment as claimed in claim 1, wherein the inner wall of the bottom of the rectangular box (8) is fixedly connected with two symmetrically arranged guide plates (17).
7. The cerium oxide kiln burning apparatus as claimed in claim 1, wherein a transparent window (26) is provided at one side of said rectangular box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581737.2U CN214747153U (en) | 2021-03-23 | 2021-03-23 | Firing equipment for cerium oxide kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120581737.2U CN214747153U (en) | 2021-03-23 | 2021-03-23 | Firing equipment for cerium oxide kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214747153U true CN214747153U (en) | 2021-11-16 |
Family
ID=78596282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120581737.2U Expired - Fee Related CN214747153U (en) | 2021-03-23 | 2021-03-23 | Firing equipment for cerium oxide kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214747153U (en) |
-
2021
- 2021-03-23 CN CN202120581737.2U patent/CN214747153U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |