CN110950523B - Air outlet device and tin bath ventilation system - Google Patents
Air outlet device and tin bath ventilation system Download PDFInfo
- Publication number
- CN110950523B CN110950523B CN201811125044.1A CN201811125044A CN110950523B CN 110950523 B CN110950523 B CN 110950523B CN 201811125044 A CN201811125044 A CN 201811125044A CN 110950523 B CN110950523 B CN 110950523B
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- CN
- China
- Prior art keywords
- positioning groove
- impeller
- base
- tin bath
- air outlet
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
- C03B18/18—Controlling or regulating the temperature of the float bath; Composition or purification of the float bath
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Abstract
The invention provides an air outlet device, which comprises a supporting frame and an impeller, wherein the supporting frame is used for being installed at an air outlet, the impeller is installed in the supporting frame, an upper positioning groove is formed in the upper end of the supporting frame, a lower positioning groove is formed in the lower end of the supporting frame, the impeller comprises a rotating shaft and blades installed on the rotating shaft, and the upper end and the lower end of the rotating shaft are respectively embedded in the upper positioning groove and the lower positioning groove. When the air current upwards flows out by air outlet department, the impeller under the impact of air current, and combine the positioning action of last constant head tank and lower constant head tank will revolve the axis of rotation, can change the flow direction of part air current along with the rotation of impeller simultaneously to make the incessant periodic change direction of air current and be the form of dispersion and flow, and then make the jet area of air current bigger, the cross sectional area of air current is bigger promptly.
Description
Technical Field
The invention relates to the technical field of glass production, in particular to an air outlet device and a tin bath ventilation system.
Background
The tin bath ventilation system is an important link of tin bath temperature control and safe production. At present, the air nozzles of the tin bath ventilation system all adopt a tubular air nozzle technology and are uniformly arranged in a steel structure fixing area at the bottom of the tin bath. The tuyere is usually circular, and effective cooling area is also fixed circular region, and the steel structural frame roof beam of tank bottom is the rectangle mostly, causes bight vortex dead angle easily, and the region at bight can't be directly cooled down promptly for among the prior art tuyere jets the cross sectional area of air current less, has restricted tin bath ventilation system utilization efficiency.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an air outlet device capable of increasing the jet area of the air flow.
In order to achieve the purpose, the invention provides an air outlet device, which comprises a supporting frame and an impeller, wherein the supporting frame is used for being installed at an air outlet, the impeller is installed in the supporting frame, an upper positioning groove is formed in the upper end of the supporting frame, a lower positioning groove is formed in the lower end of the supporting frame, the impeller comprises a rotating shaft and a blade installed on the rotating shaft, and the upper end and the lower end of the rotating shaft are respectively embedded in the upper positioning groove and the lower positioning groove.
Further, the upper end of axis of rotation is equipped with the contact site, go up the contact site and inlay in last constant head tank, it is hemisphere to go up the contact site.
Further, the lower end of the rotating shaft is provided with a lower contact part, the lower contact part is embedded in the lower positioning groove, and the lower contact part is hemispherical.
Further, braced frame is including the upper base that is located the top and the lower base that is located the below, the upper base is connected through the support column with lower base, install the axle sleeve on the upper base, install down the axle sleeve on the lower base, go up the constant head tank and be located the axle sleeve, the constant head tank is located down the axle sleeve down.
Furthermore, the upper shaft sleeve is welded with the upper base, and the lower shaft sleeve is welded with the lower base.
Further, the upper base comprises two intersecting upper connecting rods, and the lower base comprises two intersecting lower connecting rods.
Further, the upper base is in a cross shape, and the lower base is in a cross shape.
Furthermore, the upper end of the support column is welded with the upper base, and the lower end of the support column is welded with the lower base.
Furthermore, the blade is provided with a through hole.
As described above, the air outlet device according to the present invention has the following advantageous effects:
the working principle of the air outlet device is as follows: when the air current upwards flows out by air outlet department, the impeller under the impact of air current, and combine the positioning action of last constant head tank and lower constant head tank will revolve the axis of rotation, can change the flow direction of part air current along with the rotation of impeller simultaneously to make the incessant periodic change direction of air current and be the form of dispersion and flow, and then make the jet area of air current bigger, the cross sectional area of air current is bigger promptly.
The invention aims to solve another technical problem of providing a tin bath ventilation system with better cooling effect.
In order to achieve the purpose, the invention provides a tin bath ventilation system which comprises an air nozzle, wherein an air outlet of the air nozzle is provided with an air outlet device.
As mentioned above, the tin bath ventilation system related by the invention has the following beneficial effects:
according to the tin bath ventilation system, the air outlet of the air nozzle is provided with the air outlet device, so that the airflow flowing out of the air nozzle is continuously and periodically changed in direction and is sprayed in a dispersed manner, and the spraying area of the airflow is larger, so that the cooling area of the bottom of the tin bath is effectively increased, the cooling dead angle is reduced, and the tin bath ventilation system has a better cooling effect on the tin bath.
Drawings
Fig. 1 is a schematic structural view of an air outlet device in the present invention.
Fig. 2 is a top view of the air outlet device of the present invention.
Description of the element reference
1 supporting frame
11 upper base
111 upper connecting rod
12 lower base
13 support column
14 upper shaft sleeve
15 lower shaft sleeve
2 impeller
21 rotating shaft
211 upper contact part
212 lower contact
22 blade
221 through hole
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
As shown in fig. 1 and 2, the present invention provides an air outlet device, which includes a support frame 1 installed at an air outlet, and an impeller 2 installed in the support frame 1, wherein an upper positioning groove is formed at an upper end of the support frame 1, a lower positioning groove is formed at a lower end of the support frame 1, the impeller 2 includes a rotating shaft 21 and a blade 22 installed on the rotating shaft 21, and upper and lower ends of the rotating shaft 21 are respectively embedded in the upper positioning groove and the lower positioning groove. The working principle of the air outlet device is as follows: when the air current upwards flows out by air outlet, impeller 2 will revolve rotation axis 21 under the impact of air current, and combine the positioning action of last constant head tank and lower constant head tank, can change the flow direction of part air current along with impeller 2's rotation simultaneously to make the air current be the form of dispersing and flow out, and then make the jet area of air current bigger, the cross sectional area of air current is bigger promptly.
Meanwhile, the invention provides a tin bath ventilation system which comprises an air nozzle, wherein the air outlet of the air nozzle is provided with the air outlet device. According to the tin bath ventilation system, the air outlet of the air nozzle is provided with the air outlet device, so that the air flow flowing out of the air nozzle is continuously and periodically changed in direction and is sprayed in a dispersed manner, and the spraying area of the air flow is larger, so that the cooling area of the bottom of the tin bath is effectively increased, the cooling dead angle is reduced, and the tin bath ventilation system has a better cooling effect on the tin bath.
In the embodiment, the air flow is upwards sprayed out from the air outlet of the air nozzle and is used for air cooling of a steel structure at the bottom of the tin bath.
As shown in fig. 1, the upper end of the rotating shaft 21 in this embodiment is provided with an upper contact portion 211, the upper contact portion 211 is embedded in the upper positioning groove, and the upper contact portion 211 has a hemispherical shape. Meanwhile, as shown in fig. 1, the lower end of the rotating shaft 21 in this embodiment is provided with a lower contact portion 212, the lower contact portion 212 is embedded in the lower positioning groove, and the lower contact portion 212 has a hemispherical shape. In this embodiment, the upper contact portion 211 and the lower contact portion 212 are designed to have a hemispherical structure, so that the contact surface between the rotating shaft 21 and the upper positioning groove is a smooth spherical structure, and the contact surface between the rotating shaft 21 and the lower positioning groove is a smooth spherical structure, thereby effectively preventing the upper end and the lower end of the rotating shaft 21 from being blocked by the upper positioning groove and the lower positioning groove respectively when the impeller 2 rotates.
As shown in fig. 1, in the present embodiment, the supporting frame 1 includes an upper base 11 located above and a lower base 12 located below, the upper base 11 and the lower base 12 are connected through a supporting column 13, an upper bushing 14 is installed on the upper base 11, a lower bushing 15 is installed on the lower base 12, the upper positioning slot is located in the upper bushing 14, that is, an inner side wall of the upper bushing 14 forms an outer side wall of the upper positioning slot, and the lower positioning slot is located in the lower bushing 15, that is, an inner side wall of the lower bushing 15 forms an outer side wall of the lower positioning slot. In the present embodiment, the support columns 13 are used to connect the upper base 11 and the lower base 12, and the support frame 1 with open sidewalls is formed, so as to avoid the influence on the free flow of the airflow. The upper contact part 211 is embedded in the upper shaft sleeve 14, and a gap is reserved between the upper contact part 211 and the upper shaft sleeve 14; the lower contact portion 212 is embedded in the lower shaft sleeve 15, and a gap is reserved between the lower contact portion 212 and the lower shaft sleeve 15 to ensure that the rotating shaft 21 is in a vertical state and can rotate freely.
In this embodiment, the upper shaft sleeve 14 is welded to the upper base 11, and the lower shaft sleeve 15 is welded to the lower base 12, so as to ensure a firm connection strength between the upper shaft sleeve 14 and the upper base 11, and ensure a firm connection strength between the lower shaft sleeve 15 and the lower base 12.
As shown in fig. 2, the upper base 11 of the present embodiment includes two intersecting upper connecting rods 111, and the lower base 12 includes two intersecting lower connecting rods. Meanwhile, as shown in fig. 2, in the present embodiment, the upper base 11 is in a cross shape, and the lower base 12 is in a cross shape, such a structural design meets the requirement of supporting the impeller 2, and simultaneously, the resistance of the upper base 11 and the lower base 12 to the airflow is reduced to the maximum, and the loss of wind power is reduced to the maximum. The two upper connecting rods 111 correspond to the two lower connecting rods, respectively, that is, projections of the two upper connecting rods 111 in the vertical direction are aligned with the two lower connecting rods, respectively.
As shown in fig. 1, in the present embodiment, the upper end of the supporting column 13 is welded to the upper base 11, and the lower end of the supporting column 13 is welded to the lower base 12, so as to ensure that the supporting column 13 has a firm connection strength with the upper base 11 and the lower base 12.
As shown in fig. 2, in the present embodiment, the blade 22 is provided with a through hole 221, and a part of the air flow at the air outlet can pass through the through hole 221 and still flow along the original direction, so as to meet the cooling requirement of the core region. In this embodiment, the blades 22 are provided with a plurality of through holes 221 distributed in a lattice manner.
The diameter of the impeller 2 in this embodiment is the same as the tuyere. And the supporting frame 1 is fixed at the end of the tuyere through spot welding. In the embodiment, the impeller 2 keeps enough verticality and freedom degree under the constraint of the upper shaft sleeve 14 and the lower shaft sleeve 15; when the impeller 2 meets the ascending air flow ejected from the air nozzle, the impeller can rotate freely. Like this, the axial-flow type rotation takes place for impeller 2 under the air current impact of tuyere spun in this embodiment, along with impeller 2's rotation change partial air current's flow direction, simultaneously, evenly arranged has dot matrix through-hole 221 on impeller 2, guarantees that partial air current does not change flow direction along with impeller 2's rotation, satisfies the core and penetrates the air current work area requirement directly.
In the embodiment, the impeller 2 rotates to disorder part of airflow and form divergent turbulence, and the turbulence disturbs the atmosphere space in the rectangular frame range at the bottom of the tin bath, so that the vortex dead angles at four corners of the rectangular space are effectively reduced, and the cooling effect is enhanced; while still allowing a partial straight jet to exit through the through holes 221 of the blade 22 to meet the core cooling area requirements. The impeller 2 in this embodiment is a perforated shaft impeller. In the air outlet device in the embodiment, the rotation of the impeller 2 is utilized to cause the turbulence of the air flow directly emitted from the air outlet, so that the jet area of the air flow is effectively increased. The air outlet device is also an axial flow device of the groove bottom ventilation turbulent flow system. The tuyere may be a conventional tubular tuyere. In the tin bath ventilation system of the embodiment, the axial flow impeller 2 is additionally arranged at the air outlet of the traditional tubular air nozzle. This air-out device and molten tin bath ventilation system under the prerequisite of guaranteeing to have cooling, energy-conserving effect to the steel construction of molten tin bath tank bottom, can directly use on original tank bottom ventilation pipeline arrangement system, and does not change original tuyere fixed layout to can optimize the air outlet of each tuyere and can produce effective cooling area and effect, can make turbulent cooling air in each rectangular frame, reduce the cooling dead angle. The air outlet device fully disturbs the air flow sprayed by the air nozzle of the tin bath ventilation system, and can be used for newly designed ventilation projects and also can be used for the reconstruction of established ventilation system projects.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A tin bath ventilation system comprises a tuyere and is characterized in that an air outlet device is mounted at an air outlet of the tuyere and comprises a supporting frame (1) and an impeller (2), wherein the supporting frame (1) is used for being mounted at the air outlet, the impeller (2) is mounted in the supporting frame (1), an upper positioning groove is formed in the upper end of the supporting frame (1), a lower positioning groove is formed in the lower end of the supporting frame (1), the impeller (2) comprises a rotating shaft (21) and a blade (22) mounted on the rotating shaft (21), and the upper end and the lower end of the rotating shaft (21) are respectively embedded in the upper positioning groove and the lower positioning groove; the supporting frame (1) comprises an upper base (11) positioned above and a lower base (12) positioned below, the upper base (11) and the lower base (12) are connected through a supporting column (13), an upper shaft sleeve (14) is installed on the upper base (11), a lower shaft sleeve (15) is installed on the lower base (12), an upper positioning groove is positioned in the upper shaft sleeve (14), and a lower positioning groove is positioned in the lower shaft sleeve (15); an upper contact part (211) is arranged at the upper end of the rotating shaft (21), the upper contact part (211) is embedded in the upper positioning groove, and a gap is reserved between the upper contact part (211) and the upper shaft sleeve (14); the lower end of the rotating shaft (21) is provided with a lower contact part (212), the lower contact part (212) is embedded in the lower positioning groove, and a gap is reserved between the lower contact part (212) and the lower shaft sleeve (15); the impeller (2) can rotate around the rotating shaft (21) under the impact of airflow and in combination with the positioning action of the upper positioning groove and the lower positioning groove.
2. A tin bath ventilation system as set forth in claim 1, wherein: the upper contact part (211) is hemispherical.
3. A tin bath ventilation system according to claim 1 or 2, wherein: the lower contact portion (212) is hemispherical.
4. A tin bath ventilation system as set forth in claim 1, wherein: the upper shaft sleeve (14) is welded with the upper base (11), and the lower shaft sleeve (15) is welded with the lower base (12).
5. A tin bath ventilation system as set forth in claim 1, wherein: the upper base (11) comprises two crossed upper connecting rods (111), and the lower base (12) comprises two crossed lower connecting rods.
6. A tin bath ventilation system as claimed in claim 1 or 5, wherein: the upper base (11) is in a cross shape, and the lower base (12) is in a cross shape.
7. A tin bath ventilation system as set forth in claim 1, wherein: the upper end of the supporting column (13) is welded with the upper base (11), and the lower end of the supporting column (13) is welded with the lower base (12).
8. A tin bath ventilation system as set forth in claim 1, wherein: the blade (22) is provided with a through hole (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125044.1A CN110950523B (en) | 2018-09-26 | 2018-09-26 | Air outlet device and tin bath ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125044.1A CN110950523B (en) | 2018-09-26 | 2018-09-26 | Air outlet device and tin bath ventilation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110950523A CN110950523A (en) | 2020-04-03 |
| CN110950523B true CN110950523B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125044.1A Active CN110950523B (en) | 2018-09-26 | 2018-09-26 | Air outlet device and tin bath ventilation system |
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| CN (1) | CN110950523B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2411368Y (en) * | 2000-02-18 | 2000-12-20 | 元山科技工业股份有限公司 | Supporting device for rotating shaft of radiating fan |
| KR101383605B1 (en) * | 2010-08-11 | 2014-04-11 | 주식회사 엘지화학 | Float bath for manufacturing float glass ＆ cooling method of the same |
| KR20130094335A (en) * | 2010-11-04 | 2013-08-23 | 아사히 가라스 가부시키가이샤 | Method for producing float plate glass and apparatus for producing float plate glass |
| CN205478417U (en) * | 2016-01-28 | 2016-08-17 | 深圳市万景华科技有限公司 | Luminous fan structure |
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2018
- 2018-09-26 CN CN201811125044.1A patent/CN110950523B/en active Active
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| CN110950523A (en) | 2020-04-03 |
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