CN214222033U - Wear-resistant ceramic round air door for material conveying - Google Patents
Wear-resistant ceramic round air door for material conveying Download PDFInfo
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- CN214222033U CN214222033U CN202022801240.5U CN202022801240U CN214222033U CN 214222033 U CN214222033 U CN 214222033U CN 202022801240 U CN202022801240 U CN 202022801240U CN 214222033 U CN214222033 U CN 214222033U
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Abstract
The utility model belongs to the technical field of material conveying systems, and aims to provide a wear-resistant ceramic round air door for material conveying, which consists of an air door cylinder, a main shaft and a valve plate, wherein the inner ring of the air door cylinder is provided with a ceramic lining; the main shaft is connected with the valve plate, two ends of the main shaft are positioned on the ceramic bearings, the ceramic bearings are symmetrically fixed inside the air door cylinder, and the ceramic bearings are provided with outer semicircular sleeves; and the top end of the main shaft is also provided with a manual universal joint. The utility model has the characteristics of simple structure, high temperature resistant, stand wear and tear, flow control is convenient, long service life etc, can extensively be used for the conveying system field of likepowder dry materials such as the flue gas air pipeline of steel mill, thermal power factory boiler are hot-blast, fly ash.
Description
Technical Field
The utility model belongs to the technical field of material conveying system, specifically speaking is a wear-resisting pottery circle air door is used in material transport.
Background
The air door is mainly used for adjusting the medium flow in a smoke and air pipeline, and parameters such as pressure, temperature, quantity and the like of a medium in a system are controlled through different medium flows at different positions within the range of 90-degree rotation of the blades. Especially in the powder material feeding air pipeline system, the air door is a common device for adjusting the air speed.
The patent number '200820066673.7' introduces an air duct wear-resistant air door for conveying powder, which is characterized in that wear-resistant ceramic shaft sleeves are arranged at the relevant parts of a shell, a driving shaft, a positioning shaft and a flashboard, and a wear-resistant ceramic lining is arranged on the inner wall of the shell, so that the flashboard, the driving shaft, the positioning shaft and the inner wall of the shell are prevented from being worn, and the service life of equipment is prolonged; but this wear-resisting air door structure is comparatively complicated, and the flashboard is washed out the deformation easily, influences the normal of air door and opens and close. Still introduce a wear-resisting round air door of pottery that can control defeated buggy pipeline break-make as patent number "201922324171.0", it is through the setting of frame, realizes inner end connection, but whole air door opens and close the operation inconvenient, and is narrower to the flow control scope of material, and whole wearability is relatively poor, and easy jam. Therefore, the existing round damper structure for material conveying needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a wear-resisting pottery circle air door is used in material transport, have characteristics such as simple structure, high temperature resistant, stand wear and tear, flow control convenience, long service life, can extensively be used for the conveying system field of likepowder dry materials such as steel mill's flue gas pipeline, thermal power factory boiler are hot-blast, fly ash.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a wear-resistant ceramic round air door for material conveying comprises an air door cylinder, a main shaft and a valve plate, wherein a ceramic lining is arranged on the inner ring of the air door cylinder; the main shaft is connected with the valve plate, two ends of the main shaft are positioned on the ceramic bearings, the ceramic bearings are symmetrically fixed inside the air door cylinder, and the ceramic bearings are provided with outer semicircular sleeves; and the top end of the main shaft is also provided with a manual universal joint.
As an improvement, the upper end and the lower end of the air door cylinder are provided with connecting flanges, and round holes are uniformly distributed on the flanges.
As an improvement, the diameter of the round hole is phi 15-phi 30 mm.
As an improvement, the outer side of the air door cylinder is connected with a square frame, and the main shaft is sleeved in the square frame.
As an improvement, the ceramic lining is of an integral wear-resistant ceramic sleeve structure, and a sealing check ring is arranged inside the ceramic lining.
As an improvement, the valve plate surface is inlaid with a U-shaped wear-resistant ceramic chip to prevent the erosion and the abrasion of materials to the valve plate.
As an improvement, the U-shaped wear-resistant ceramic plate is fixed on the surface of the valve plate through a stud.
As an improvement, the ceramic lining material is one of SiC ceramic, 95 alumina ceramic or ZTA ceramic.
The utility model discloses the beneficial effect who gains does: the wear-resistant ceramic round air door for material conveying has the characteristics of simple structure, high temperature resistance, wear resistance, convenience in flow control, long service life and the like; the ceramic bearing is adopted at the main shaft abrasion part, and the semi-circular sleeve is arranged at the periphery of the ceramic bearing, so that the main shaft is effectively protected from abrasion; the whole ceramic sleeve is arranged on the air door cylinder, so that the problem that the air door cylinder is easy to wear and deform due to material washing is solved, the service life of the air door is prolonged, and meanwhile, the sealing retainer ring with a ceramic structure is arranged in the whole ceramic sleeve, so that the sealing performance and the abrasion resistance of the air door are improved; in addition, through inlaying the wear-resisting potsherd of U type on the valve plate surface to fixed through the double-screw bolt, effectively prevent the material to the erosive wear of valve plate when the air door is full open, improved the life of valve plate greatly. The utility model discloses a wear-resisting ceramic circle air door can extensively be used for the conveying system field of likepowder dry materials such as the flue gas air pipeline of steel mill, thermal power factory boiler hot-blast, fly ash.
Drawings
FIG. 1 is a schematic structural view of the wear-resistant ceramic round air door for material transportation according to the present invention;
fig. 2 is the cross-sectional view of the wear-resistant ceramic round air door for conveying wear-resistant ceramic materials.
In the figure: 1. an air door cylinder; 2. a main shaft; 3. a valve plate; 4. a ceramic liner; 5. a ceramic bearing; 6. an outer semicircular sleeve; 7. a manual universal joint; 8. a flange; 9. a circular hole; 10. a square frame; 11. u-shaped wear-resistant ceramic plates; 12. a stud.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the wear-resistant ceramic round air door for material conveying in the embodiment comprises an air door cylinder 1, a main shaft 2 and a valve plate 3, wherein a ceramic lining 4 is arranged on an inner ring of the air door cylinder 1, connecting flanges 8 are arranged at the upper end and the lower end of the air door cylinder 1, and round holes 9 with the diameter of phi 15-phi 30mm are uniformly distributed on the flanges 8; the main shaft 2 is connected with the valve plate 3, two ends of the main shaft are positioned on the ceramic bearings 5, the ceramic bearings 5 are symmetrically fixed inside the air door cylinder 1, and the ceramic bearings 5 are provided with outer semicircular sleeves 6; and the top end of the main shaft 2 is also provided with a manual universal joint 7.
Further, the outside of the air door cylinder 1 is connected with a square frame 10, the spindle 2 is sleeved in the square frame 10, and specifically, the square frame bronze drum is welded and fixed on the outside of the air door cylinder 1.
Further, the ceramic lining 4 is of an integral wear-resistant ceramic sleeve structure, and sealing check rings are arranged inside the ceramic lining 4, specifically, the sealing check rings are distributed in a staggered manner, protrude out of the surface of the ceramic lining 4, and are integrally formed with the ceramic lining 4; furthermore, the ceramic lining 4 is made of one of SiC ceramic, 95 alumina ceramic or ZTA ceramic, so that the wear resistance of the circular air door is improved, and the service life is prolonged.
Further, a U-shaped wear-resistant ceramic plate 11 is embedded in the surface of the valve plate 3, and specifically, the U-shaped wear-resistant ceramic plate 11 is fixed on the surface of the valve plate 3 through a stud 12 to prevent the valve plate 3 from being abraded by materials; more specifically, also inlay U type wear-resisting potsherd 11 on the 3 perpendicular thickness faces of valve plate, prevent that the air door from under the full open mode, the material is to the erodeing of the perpendicular thickness face of metal valve plate, and the wear-resisting and antiscour performance of valve plate is improved greatly in U type wear-resisting potsherd 11's setting to the life of circle air door has further been prolonged.
Finally, it should be noted that the above-mentioned embodiments illustrate only specific embodiments of the invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (8)
1. A wear-resistant ceramic round air door for material conveying comprises an air door cylinder (1), a main shaft (2) and a valve plate (3), and is characterized in that a ceramic lining (4) is arranged on the inner ring of the air door cylinder (1); the main shaft (2) is connected with the valve plate (3), two ends of the main shaft are positioned on the ceramic bearings (5), the ceramic bearings (5) are symmetrically fixed inside the air door cylinder (1), and the ceramic bearings (5) are provided with outer semicircular sleeves (6); the top end of the main shaft (2) is also provided with a manual universal joint (7).
2. The wear-resistant ceramic round air door for material conveying according to claim 1, wherein the upper end and the lower end of the air door cylinder (1) are provided with connecting flanges (8), and round holes (9) are uniformly distributed on the flanges (8).
3. The wear-resistant ceramic round air door for material conveying according to claim 2, characterized in that the diameter of the round hole (9) is phi 15-phi 30 mm.
4. The wear-resistant ceramic round air door for material conveying according to claim 1, characterized in that a square frame (10) is connected to the outer side of the air door cylinder (1), and the main shaft (2) is sleeved in the square frame (10).
5. The wear-resistant ceramic round air door for material conveying according to claim 1, characterized in that the ceramic lining (4) is of an integral wear-resistant ceramic sleeve structure, and a sealing retainer ring is arranged inside the ceramic lining.
6. The wear-resistant ceramic round air door for material conveying according to claim 1 is characterized in that a U-shaped wear-resistant ceramic plate (11) is embedded on the surface of the valve plate (3).
7. The wear-resistant ceramic round air door for material conveying according to claim 6, characterized in that the U-shaped wear-resistant ceramic plate (11) is fixed on the surface of the valve plate (3) through a stud (12).
8. The wear-resistant ceramic round damper for material conveying according to claim 1 or 5, characterized in that the ceramic lining (4) is made of one of SiC ceramic, 95 alumina ceramic or ZTA ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022801240.5U CN214222033U (en) | 2020-11-28 | 2020-11-28 | Wear-resistant ceramic round air door for material conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022801240.5U CN214222033U (en) | 2020-11-28 | 2020-11-28 | Wear-resistant ceramic round air door for material conveying |
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| CN214222033U true CN214222033U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022801240.5U Active CN214222033U (en) | 2020-11-28 | 2020-11-28 | Wear-resistant ceramic round air door for material conveying |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115245870A (en) * | 2022-05-20 | 2022-10-28 | 华能新华发电有限责任公司 | Wear-resisting round air door of full ceramic structure |
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2020
- 2020-11-28 CN CN202022801240.5U patent/CN214222033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115245870A (en) * | 2022-05-20 | 2022-10-28 | 华能新华发电有限责任公司 | Wear-resisting round air door of full ceramic structure |
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