CN108680022B - Normally-touching type sliding-free annular seal - Google Patents
Normally-touching type sliding-free annular seal Download PDFInfo
- Publication number
- CN108680022B CN108680022B CN201810758127.8A CN201810758127A CN108680022B CN 108680022 B CN108680022 B CN 108680022B CN 201810758127 A CN201810758127 A CN 201810758127A CN 108680022 B CN108680022 B CN 108680022B
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- China
- Prior art keywords
- rotating shaft
- transmission net
- net chain
- seat
- shaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
- F27D99/0076—Furnace car seals, i.e. seals used in continuous furnaces or kilns for preventing gas or heat exchange between heating chamber and the area comprising driving means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Belt Conveyors (AREA)
Abstract
The invention discloses a normally-touch sliding-free annular seal which comprises a first shaft seat, a first rotating shaft, a first sprocket, a transmission net chain, a second sprocket, a second rotating shaft, a second shaft seat, an end cylinder supporting plate, an adjusting supporting seat, a spring and a heat-resistant conveying belt. The device has the beneficial effects that the sealing effect is good, the air leakage of the sintering machine trolley is reduced, the horizontal movement of the sintering machine trolley drives the transmission net chain to move, so that the whole device is driven to move, no power input is needed, the transmission net chain is in close contact with the trolley and does not slide relatively, the sealing effect is realized, the heat-resistant conveyor belt is covered on the transmission net chain, the sealing performance of the whole device is improved, the transmission net chain is flexibly attached to the bottom surface of the sintering machine trolley, the sealing efficiency is improved, and the whole device can adapt to the deformation of the sintering machine trolley caused by long-term operation through the clamping spring between the end cylinder supporting plate and the adjusting supporting plate, so that the sealing performance is better.
Description
Technical Field
The invention relates to an annular seal, in particular to a normally-touch sliding-free annular seal, and belongs to the technical field of seals.
Background
The energy consumption of the sintering process in the steel industry is about 10% of the total energy consumption of steel production, the energy consumption of the sintering process is about 20%, the air leakage of the sintering machine further increases the power consumption of sintering, and the problems of low air utilization rate, short service life of an induced draft rotor, low yield of sintered ore and the like are caused, so that the reduction of the air leakage rate is the most direct method for saving energy, reducing consumption, increasing yield, reducing cost and increasing benefit of the sintering production.
At present, the part of the sintering machine, which leaks air, mainly enables the air leakage between the head and tail sealing device and the bottom surface of the trolley, and the elastic support or counterweight sealing device is adopted by the traditional iron and steel enterprises at present, and the elastic movable sealing plate works in a high-temperature environment for a long time due to the action of frequent impact force, so that the elasticity is reduced, the abrasion is serious, the air leakage rate is increased, and the sealing effect is affected.
Disclosure of Invention
The invention aims to solve the problems and provide a normally-touch sliding-free annular seal, which can greatly reduce the air leakage rate of a sintering machine and improve the sintering quality and efficiency.
The invention realizes the aim through the following technical scheme that the normally-touch type sliding-free annular seal comprises a first rotating shaft, wherein the first rotating shaft is rotationally connected with two first shaft seats, the bottom ends of the first shaft seats are fixedly provided with end cylindrical support plates, the bottom ends of the end cylindrical support plates are fixedly connected with two springs, and the bottom ends of the springs are fixedly provided with adjusting support seats; the two ends of the first rotating shaft are respectively fixed with a first sprocket, a transmission net chain is rotationally connected to the outer part of the first sprocket, a second sprocket is rotationally connected to one side of the inner part of the transmission net chain, a second rotating shaft is fixed to the second sprocket, and the second rotating shaft is rotationally connected with two second shaft seats; and a heat-resistant conveyor belt is arranged outside the transmission net chain.
Preferably, in order to realize that the sprocket wheel can rotate, the first rotating shaft and the second rotating shaft are respectively connected with the first shaft seat and the second shaft seat in a rotating way, and the first shaft seat and the second shaft seat which are positioned on the same rotating shaft are fixed through adjusting bolts.
Preferably, in order to enable the transmission net chain to rotate, the length of the first rotating shaft is the same as that of the second rotating shaft, the first rotating shaft is parallel to the second rotating shaft, and the diameters of the first sprocket and the second sprocket are the same.
Preferably, in order to accommodate deformation of the trolley due to long-term operation, the spring is clamped between the end cylindrical support plate and the adjustment support seat.
Preferably, the heat-resistant conveyor belt is fixedly connected to the outside of the driving net chain for sealability of the whole device, and the heat-resistant conveyor belt completely covers the driving net chain.
Preferably, in order to enable the end cylindrical support plate to enter the adjustment support base by extrusion, the length of the end cylindrical support plate is smaller than the length of the adjustment support base, and the width of the end cylindrical support plate is smaller than the width of the adjustment support base.
Preferably, the distance between the first rotating shaft and the second rotating shaft is 1.2-1.3 times of the distance between the first rotating shaft and the second rotating shaft.
The beneficial effects of the invention are as follows: the device has good sealing effect, reduces air leakage of the sintering machine trolley, drives the transmission net chain to move through horizontal movement of the sintering machine trolley, so as to drive the whole device to move, does not need power input, and has no relative sliding due to close contact between the transmission net chain and the trolley, thereby realizing sealing effect, improving the sealing performance of the whole device by covering the heat-resistant conveyor belt on the transmission net chain, flexibly attaching the transmission net chain to the bottom surface of the sintering machine trolley, improving sealing efficiency, and adapting the whole device to deformation caused by long-term operation of the sintering machine trolley by clamping the spring between the end cylindrical support plate and the adjusting support plate, thereby having better sealing performance; the normally-touching sliding-free annular sealing device can effectively reduce air leakage, stably maintain the negative pressure of the sintering machine bellows, reduce the total amount of flue gas entering the desulfurization and denitrification system, improve the flue gas temperature, improve the activity of a denitrification catalyst, reduce the treatment pressure of sintering flue gas desulfurization and denitrification treatment equipment and reduce the cost.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the connection of a drive train to a heat resistant conveyor belt in accordance with the present invention;
FIG. 4 is a schematic diagram of the head-to-tail drive of the present invention;
FIG. 5 is a schematic view of an adjusting bolt of the present invention.
In the figure: 1. a first shaft seat, 2, a first rotating shaft, 3, a first sprocket, 4, a transmission net chain, 5, a second sprocket, 6 and a second rotating shaft, 7, second axle seat, 8, end cylinder backup pad, 9, adjustment supporting seat, 10, spring, 11, heat-resisting conveyer belt, 12, adjusting bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, a normally-touching type sliding-free annular seal comprises a first rotating shaft 2, wherein the first rotating shaft 2 is rotatably connected with two first shaft seats 1, an end cylindrical support plate 8 is fixed at the bottom end of each first shaft seat 1, two springs 10 are fixedly connected at the bottom end of each end cylindrical support plate 8, and an adjusting support seat 9 is fixed at the bottom end of each spring 10; the two ends of the first rotating shaft 2 are respectively fixed with a first sprocket 3, the outside of the first sprocket 3 is rotationally connected with a transmission net chain 4, one side of the inside of the transmission net chain 4 is rotationally connected with a second sprocket 5, the second sprocket 5 is fixed with a second rotating shaft 6, and the second rotating shaft 6 is rotationally connected with two second shaft seats 7; the heat-resistant conveyor belt 11 is arranged outside the transmission net chain 4.
As a technical optimization scheme of the invention, the first rotating shaft 2 and the second rotating shaft 6 are respectively connected with the first shaft seat 1 and the second shaft seat 7 in a rotating way, and the first shaft seat 1 and the second shaft seat 7 which are positioned on the same rotating shaft are fixed through an adjusting bolt 12.
As a technical optimization scheme of the invention, the lengths of the first rotating shaft 2 and the second rotating shaft 6 are the same, the first rotating shaft 2 is parallel to the second rotating shaft 6, and the diameters of the first sprocket 3 and the second sprocket 5 are the same.
As a technical optimization scheme of the invention, the spring 10 is clamped between the end cylinder supporting plate 8 and the adjusting supporting seat 9.
As a technical optimization scheme of the invention, the heat-resistant conveyor belt 11 is fixedly connected to the outside of the transmission net chain 4, and the heat-resistant conveyor belt 11 completely covers the transmission net chain 4.
As a technical optimization scheme of the invention, the length of the end cylindrical support plate 8 is smaller than the length of the adjusting support seat 9, and the width of the end cylindrical support plate 8 is smaller than the width of the adjusting support seat 9.
As a technical optimization scheme of the invention, the transmission net chain 4 is 1.2-1.3 times of the distance between the first rotating shaft 2 and the second rotating shaft 6.
When the sintering machine trolley is used, firstly, the transmission net chain 4 is in close contact with the sintering machine trolley, the transmission net chain 4 and the sintering machine trolley do not slide relatively, so that the transmission net chain 4 is driven to rotate, the transmission net chain 4 rotates, the first chain wheel 3 and the second chain wheel 5 are driven to rotate, the first chain wheel 3 and the second chain wheel 5 rotate, the first shaft seat 1 and the second shaft seat 7 are connected with the second shaft 6 of the first rotating shaft 2 in a rotating way, the first rotating shaft 2 and the second rotating shaft 6 on the first shaft seat 1 and the second shaft seat 7 are driven to rotate, the whole device is driven to rotate, the tightness is realized, the heat-resistant conveyor belt 11 covered on the transmission net chain 4 is connected with the end cylindrical support plate 8, the spring 10 clamped between the end cylindrical support plate 8 and the adjusting support seat 9 is adapted to deformation generated by the operation of the sintering machine trolley, the sealing performance of the whole device is improved, the air leakage rate is greatly reduced, and the sintering quality and the efficiency are improved.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a normally touch formula does not have slip annular seal, includes first pivot (2), its characterized in that: the device is characterized in that the first rotating shaft (2) is rotationally connected with two first shaft seats (1), an end cylindrical supporting plate (8) is fixed at the bottom end of each first shaft seat (1), two springs (10) are fixedly connected at the bottom end of each end cylindrical supporting plate (8), and an adjusting supporting seat (9) is fixed at the bottom end of each spring (10); the two ends of the first rotating shaft (2) are respectively fixed with a first sprocket (3), the outside of the first sprocket (3) is rotationally connected with a transmission net chain (4), one side of the inside of the transmission net chain (4) is rotationally connected with a second sprocket (5), the second sprocket (5) is fixed with a second rotating shaft (6), and the second rotating shaft (6) is rotationally connected with two second shaft seats (7); a heat-resistant conveyor belt (11) is arranged outside the transmission net chain (4);
the first rotating shaft (2) and the second rotating shaft (6) are respectively connected with the first shaft seat (1) and the second shaft seat (7) in a rotating way, and the first shaft seat (1) and the second shaft seat (7) which are positioned on the same rotating shaft are fixed through adjusting bolts (12);
the length of the first rotating shaft (2) is the same as that of the second rotating shaft (6), the first rotating shaft (2) is parallel to the second rotating shaft (6), and the diameter of the first sprocket (3) is the same as that of the second sprocket (5).
2. A normally-touch, non-slip annular seal as claimed in claim 1, wherein: the spring (10) is clamped between the end cylindrical supporting plate (8) and the adjusting supporting seat (9).
3. A normally-touch, non-slip annular seal as claimed in claim 1, wherein: the heat-resistant conveyor belt (11) is fixedly connected to the outside of the transmission net chain (4), and the heat-resistant conveyor belt (11) completely covers the transmission net chain (4).
4. A normally-touch, non-slip annular seal as claimed in claim 1, wherein: the length of the end cylindrical support plate (8) is smaller than that of the adjusting support seat (9), and the width of the end cylindrical support plate (8) is smaller than that of the adjusting support seat (9).
5. A normally-touch, non-slip annular seal as claimed in claim 1, wherein: the transmission net chain (4) is 1.2-1.3 times of the distance between the first rotating shaft (2) and the second rotating shaft (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758127.8A CN108680022B (en) | 2018-07-11 | 2018-07-11 | Normally-touching type sliding-free annular seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810758127.8A CN108680022B (en) | 2018-07-11 | 2018-07-11 | Normally-touching type sliding-free annular seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108680022A CN108680022A (en) | 2018-10-19 |
| CN108680022B true CN108680022B (en) | 2023-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810758127.8A Active CN108680022B (en) | 2018-07-11 | 2018-07-11 | Normally-touching type sliding-free annular seal |
Country Status (1)
| Country | Link |
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| CN (1) | CN108680022B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057193B (en) * | 2019-05-06 | 2019-12-27 | 株洲瑞德尔冶金设备制造有限公司 | Continuous integrated sintering furnace |
| CN114993050B (en) * | 2022-05-07 | 2023-05-26 | 燕山大学 | Compound head and tail sealing device for sintering machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2826337Y (en) * | 2005-08-08 | 2006-10-11 | 张殿清 | Sealing device for treating sintering machine head, tail |
| CN103557706A (en) * | 2013-10-29 | 2014-02-05 | 王强 | Head and tail sealing device of sintering machine |
| CN103868358A (en) * | 2012-12-07 | 2014-06-18 | 林记元 | Synchronous rolling full-contact flexible head and tail sealing device for sintering pallet |
| CN106288801A (en) * | 2015-05-22 | 2017-01-04 | 华北理工大学 | A kind of sintering machine automatization trailing type head-tail sealing device |
| CN107782143A (en) * | 2016-08-26 | 2018-03-09 | 宝山钢铁股份有限公司 | Sealing device for bench breast board of sintering machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208688259U (en) * | 2018-07-11 | 2019-04-02 | 北京鼎鑫钢联科技协同创新研究院有限公司 | A kind of fricton-tight ring packing of normal touch |
-
2018
- 2018-07-11 CN CN201810758127.8A patent/CN108680022B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2826337Y (en) * | 2005-08-08 | 2006-10-11 | 张殿清 | Sealing device for treating sintering machine head, tail |
| CN103868358A (en) * | 2012-12-07 | 2014-06-18 | 林记元 | Synchronous rolling full-contact flexible head and tail sealing device for sintering pallet |
| CN103557706A (en) * | 2013-10-29 | 2014-02-05 | 王强 | Head and tail sealing device of sintering machine |
| CN106288801A (en) * | 2015-05-22 | 2017-01-04 | 华北理工大学 | A kind of sintering machine automatization trailing type head-tail sealing device |
| CN107782143A (en) * | 2016-08-26 | 2018-03-09 | 宝山钢铁股份有限公司 | Sealing device for bench breast board of sintering machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108680022A (en) | 2018-10-19 |
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