CN111879134A - Novel water-cooling smoke hood - Google Patents
Novel water-cooling smoke hood Download PDFInfo
- Publication number
- CN111879134A CN111879134A CN202010918749.XA CN202010918749A CN111879134A CN 111879134 A CN111879134 A CN 111879134A CN 202010918749 A CN202010918749 A CN 202010918749A CN 111879134 A CN111879134 A CN 111879134A
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- Prior art keywords
- water
- cooling
- smoke hood
- petticoat pipe
- plate
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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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a novel water-cooling smoke hood, which comprises an adjustable water-cooling smoke hood, at least one middle connecting water-cooling smoke hood and a tail guide water-cooling smoke hood, wherein the middle connecting water-cooling smoke hood is connected with the tail guide water-cooling smoke hood; the adjustable water-cooling smoke hood, the middle connecting water-cooling smoke hood and the tail guiding water-cooling smoke hood are sequentially and hermetically connected, the traditional water-cooling smoke hood is set into three structures, the connecting part of the adjustable water-cooling smoke hood and the electric furnace is set into an adjustable water-cooling smoke hood, the gap between the adjustable water-cooling smoke hood and the electric furnace opening can be changed, the middle connecting water-cooling smoke hood plays a role in connection, the adjustable water-cooling smoke hood and the tail guiding water-cooling smoke hood are connected to realize hot air transmission, the tail guiding water-cooling smoke hood is also of an inclined structure, the tail of the tail guiding water-cooling smoke hood is lower than the heat insulation layer, hot air can be guided, the heat insulation layer is prevented from.
Description
Technical Field
The invention belongs to the technical field of steel making, and particularly relates to a novel water-cooling smoke hood.
Background
The water-cooling smoke hood used by the traditional steelmaking equipment is of a straight structure, hot air in an electric furnace is directly sent into the heat-insulating smoke hood from the inside of the water-cooling smoke hood, because the straight structure of the water-cooling smoke hood enables the hot air to directly wash the heat-insulating smoke hood, the heat-insulating layer of the heat-insulating smoke hood, namely a fireproof material layer, is easily washed and damaged at the joint with the water-cooling smoke hood, the service life of the heat-insulating smoke hood is greatly reduced, the whole heat-insulating smoke hood needs to be replaced, the investment cost is high, in addition, the heat-insulating effect of the heat-insulating smoke hood after washing is greatly reduced, the preheating effect of steelmaking is also influenced, in addition, the installation distance between the water-cooling smoke hood and the electric furnace mouth is fixed and cannot be adjusted, the field installation size cannot guarantee to cause overlarge gap, and because the vibration conveying device and the water-cooling flue are communicated by hot, the preheating effect of the scrap steel is also affected.
Disclosure of Invention
In view of the deficiencies described in the prior art, the present invention provides a novel water-cooled smoke hood.
The technical scheme adopted by the invention is as follows:
a novel water-cooling smoke hood comprises an adjustable water-cooling smoke hood, at least one middle connecting water-cooling smoke hood and a tail guide water-cooling smoke hood; the adjustable water-cooling smoke hood, the middle connecting water-cooling smoke hood and the tail guiding water-cooling smoke hood are sequentially and hermetically connected; the adjustable water-cooling smoke hood is provided with a water-cooling sealing structure, the adjustable water-cooling smoke hood is connected with a track frame of the transport trolley in a sealing mode, the middle connecting water-cooling smoke hood and the tail guiding water-cooling smoke hood are both provided with labyrinth type sealing structures, and the labyrinth type sealing structures can prevent external cold air from entering the water-cooling smoke hood from gaps between the middle connecting water-cooling smoke hood, the tail guiding water-cooling smoke hood and the vibration conveying frame; and the end part of the tail part guide water-cooling smoke hood is lower than the heat insulation layer of the heat insulation smoke hood, and the inclined structure can change the wind direction in the water-cooling smoke hood, so that hot wind directly erodes waste steel for preheating, but does not erode the heat insulation layer of the heat insulation smoke hood, the heat insulation performance of the heat insulation smoke hood is improved, and the service life of the heat insulation smoke hood is prolonged.
As a preferable scheme of the invention, the cross section of the adjustable water-cooling smoke hood is trapezoidal, and the width of the end part of the adjustable water-cooling smoke hood close to the electric furnace is smaller than the width of the end part far away from the electric furnace; the adjustable water-cooling smoke hood comprises an adjustable water-cooling sub-smoke hood, a fixed water-cooling sub-smoke hood and a mounting plate; the mounting plate is connected with a track frame of the transport trolley, the mounting plate is suspended in the track frame, the lower part of the fixed water-cooling sub-smoke hood is connected with the mounting plate, the adjustable water-cooling smoke hood is adjustably connected with the mounting plate and covers a port of the fixed water-cooling sub-smoke hood, and the adjustable water-cooling smoke hood moves along the axis of the fixed water-cooling sub-smoke hood; the bottom of the mounting plate is provided with a water-cooling sealing structure, and a sealing flange is arranged at the joint of the fixed water-cooling sub-smoke hood and the middle connecting water-cooling smoke hood for realizing sealing connection.
As a preferable scheme of the present invention, the water-cooling sealing structure includes a water-cooling sealing plate, the water-cooling sealing plate is disposed on the cantilever portion of the mounting plate, and the water-cooling sealing plate is provided with a water-cooling channel, and the water-cooling channel is communicated with the water-cooling pipeline. The water-cooled sealing plate forms a seal with the track frame.
According to the preferable scheme of the invention, the adjustable water-cooling sub-smoke hood is arranged on the mounting plate through an adjusting mechanism, the adjusting mechanism comprises an adjusting support plate, an adjusting plate and an adjusting bolt, the adjusting support plate is arranged on the mounting plate, an adjusting waist hole is formed in the adjusting support plate, the adjusting plate is connected with the adjusting waist hole through the adjusting bolt, and the adjusting plate is connected with the outer wall of the adjustable water-cooling sub-smoke hood.
According to the preferable scheme of the invention, the cross section of the middle part connecting water-cooling smoke hood is rectangular, the middle part connecting water-cooling smoke hood comprises a connecting cover shell and a middle part mounting support plate, the lower part of the connecting cover shell is connected with the middle part mounting support plate, the middle part mounting support plate is placed on the support, the position, close to the vibration conveying frame, of the middle part mounting support plate is a suspended part, and the suspended part is provided with a labyrinth type sealing structure. Labyrinth type seal structure includes vortex closing plate I, vortex closing plate II, and the vortex closing plate interval is installed in the free portion of middle part installation layer board, and vortex closing plate II interval is installed on the jigging conveyer outer wall, and vortex closing plate I and vortex closing plate II set up alternately. And the turbulent flow sealing plate II extends into the gap between the adjacent turbulent flow sealing plates I, and the turbulent flow sealing plate II and the middle mounting supporting plate are provided with a gap which forms a vibration interval. And in order to realize the sealing connection, sealing flanges are arranged at the end parts of the connecting cover shells.
According to the preferable scheme, the cross section of the tail guide water-cooling smoke hood is trapezoidal, and the width of the end part, close to the middle part of the tail guide water-cooling smoke hood and connected with the water-cooling smoke hood, of the tail guide water-cooling smoke hood is larger than the width of the end part, close to the heat preservation smoke hood, of the tail guide water-cooling smoke hood; the tail guide water-cooling smoke hood comprises a guide hood shell and a guide mounting supporting plate; the tail part of the guide housing is lower than the heat-insulating layer of the heat-insulating smoke hood; the lower part of the guide housing is connected with a guide mounting supporting plate, the guide mounting supporting plate is placed on the support, the position, close to the vibration conveying frame, of the guide mounting supporting plate is a suspended part, and a labyrinth type sealing structure is arranged in the suspended part. And in order to realize sealing connection, the head end and the tail end of the guide housing are provided with sealing flanges.
Labyrinth type seal structure includes vortex closing plate I, vortex closing plate II, and the vortex closing plate interval is installed in the free portion of direction mounting plate, and vortex closing plate II interval is installed on the jigging conveyer outer wall, and vortex closing plate I and vortex closing plate II set up alternately. And the turbulent flow sealing plate II extends into the gap between the adjacent turbulent flow sealing plates I, and the turbulent flow sealing plate II and the guide mounting supporting plate are provided with a gap which forms a vibration interval.
The traditional water-cooling smoke hood is arranged into three structures, and the joint of the traditional water-cooling smoke hood and the electric furnace is arranged into the adjustable water-cooling smoke hood, so that the gap between the adjustable water-cooling smoke hood and the electric furnace opening can be changed, the gap between the water-cooling smoke hood and the electric furnace opening is reduced, the external cold air inlet amount is reduced, and the preheating temperature is improved; the intermediate junction water-cooling petticoat pipe plays the connection effect, connects adjustable water-cooling petticoat pipe and afterbody direction water-cooling petticoat pipe and realizes hot-blast transmission, and afterbody direction water-cooling petticoat pipe also is the slope structure, and the afterbody of afterbody direction water-cooling petticoat pipe is less than the heat preservation, can lead to hot-blast, avoids it directly to erode the heat preservation, makes it directly erode the scrap steel, improves and preheats efficiency, can also prolong the life of heat preservation petticoat. And the lower part of every section water-cooling petticoat pipe all is equipped with respective seal structure, and adjustable water-cooling petticoat pipe sets up water-cooling seal structure and realizes the sealed with the track frame of travelling bogie, and intermediate junction water-cooling petticoat pipe and afterbody direction water-cooling petticoat pipe set up labyrinth type seal structure, realize with the sealing of vibratory conveying frame, avoid external cold air to get into the influence and preheat the effect, can also improve simultaneously and preheat the temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the adjustable water-cooled smoke cage of the present invention.
Fig. 3 is a left side view of the adjustable water-cooled range hood of the present invention.
FIG. 4 is a schematic view of the assembly of the adjustable water-cooled smoke hood of the present invention with an electric furnace.
Fig. 5 is a labyrinth type seal structure view of the water cooling smoke cover connected with the middle of the invention.
Fig. 6 is a front view of the intermediate connection water-cooled hood of the present invention.
Fig. 7 is a front view of the assembly of the tail guide water-cooling smoke hood and the heat preservation smoke hood of the invention.
FIG. 8 is a left side view of the assembly of the tail guide water cooling smoke hood and the heat preservation smoke hood of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example (b):
a novel water-cooling smoke hood is shown in figure 1 and comprises an adjustable water-cooling smoke hood 1, a middle connecting water-cooling smoke hood 2 and a tail guide water-cooling smoke hood 3; the adjustable water-cooling smoke hood 1, the middle connecting water-cooling smoke hood 2 and the tail guiding water-cooling smoke hood 3 are sequentially connected in a sealing way; the adjustable water-cooling smoke hood 1 is provided with a water-cooling sealing structure, the adjustable water-cooling smoke hood is connected with a track frame of the transport trolley in a sealing mode, the middle connecting water-cooling smoke hood 2 and the tail guiding water-cooling smoke hood 3 are both provided with labyrinth type sealing structures, and the labyrinth type sealing structures can prevent external cold air from entering the water-cooling smoke hood from gaps between the middle connecting water-cooling smoke hood, the tail guiding water-cooling smoke hood and the vibration conveying frame; and the end part of the tail guide water-cooling smoke hood 3 is lower than the heat insulation layer of the heat insulation smoke hood, and the inclined structure can change the wind direction in the water-cooling smoke hood, so that hot wind directly erodes waste steel for preheating, but does not erode the heat insulation layer of the heat insulation smoke hood, thereby improving the heat insulation performance of the heat insulation smoke hood and prolonging the service life of the heat insulation smoke hood.
Specifically, as shown in fig. 2-4, the cross section of the adjustable water-cooling smoke hood 1 is trapezoidal, and the width of the end part, close to the electric furnace, of the adjustable water-cooling smoke hood 1 is smaller than the width of the end part, far away from the electric furnace, of the adjustable water-cooling smoke hood 1; the adjustable water-cooling smoke hood 1 comprises an adjustable water-cooling sub-smoke hood 11, a fixed water-cooling sub-smoke hood 12 and a mounting plate 13; mounting panel 13 is connected with travelling bogie's track frame to the position that the mounting panel is located the track frame is unsettled, and the lower part of fixed water cooling sub-petticoat pipe 12 is connected with mounting panel 13, and adjustable water cooling petticoat pipe 11 passes through adjustment mechanism and installs on mounting panel 13, adjustment mechanism, including adjusting support plate 16, regulating plate 17 and adjusting bolt 18, adjusting support plate 16 installs on mounting panel 13, and is equipped with the regulation waist hole on adjusting support plate 16, and adjusting plate 17 passes through adjusting bolt 18 and adjusts waist jogged joint, adjusting plate 17 and the outer wall connection of adjustable water cooling sub-petticoat pipe 11.
The adjustable water-cooling smoke hood 11 is covered with a port of the fixed water-cooling sub-smoke hood 12, and the adjustable water-cooling smoke hood 11 moves along the axis of the fixed water-cooling sub-smoke hood; the bottom of mounting panel 13 is equipped with water-cooling seal structure, water-cooling seal structure includes water-cooling closing plate 14, and water-cooling closing plate 14 sets up the cantilever part at mounting panel 13, and water-cooling closing plate 14 is equipped with water-cooling passageway 15, water-cooling passageway 15 and water-cooling pipeline intercommunication. The water-cooled sealing plate forms a seal with the track frame.
And in order to realize sealing connection, a sealing flange is arranged at the joint of the fixed water-cooling sub-smoke hood 12 and the middle connecting water-cooling smoke hood.
As shown in fig. 1 and 5-6, the cross section of the middle connection water cooling smoke hood 2 is rectangular, the middle connection water cooling smoke hood 2 comprises a connection housing 21 and a middle mounting support plate 22, the lower part of the connection housing 21 is connected with the middle mounting support plate 22, the middle mounting support plate 22 is placed on a support, the position of the middle mounting support plate 22 close to the vibration conveying frame is a suspended part, and a labyrinth type sealing structure is arranged in the suspended part. Labyrinth type seal structure includes vortex closing plate I4, vortex closing plate II5, and the suspension portion at middle part installation layer board 22 is installed at 4 intervals of vortex closing plate, and vortex closing plate II5 interval is installed on the jigging conveyer outer wall, and vortex closing plate I4 and vortex closing plate II5 set up alternately. And the turbulent flow sealing plate II5 stretches into the gap between the adjacent turbulent flow sealing plates I4, and the turbulent flow sealing plate II5 is provided with a gap with the middle mounting support plate, and the gap forms a vibration interval. And sealing flanges are provided at the ends of the connection housing 21 in order to achieve a sealed connection.
As shown in fig. 1 and 7-8, the cross section of the tail guide water-cooling smoke hood 3 is trapezoidal, and the width of the end part of the tail guide water-cooling smoke hood 3 close to the middle part connected with the water-cooling smoke hood 2 is larger than the width of the end part of the tail guide water-cooling smoke hood 3 close to the heat preservation smoke hood; the tail guide water-cooling smoke hood 3 comprises a guide hood shell 31 and a guide mounting supporting plate 32; in order to realize the sealing connection, the sealing flanges are mounted at the head end and the tail end of the guide housing 31. The tail part of the guide housing 31 is lower than the heat insulation layer of the heat insulation smoke hood; the lower part of the guide housing 31 is connected with a guide mounting supporting plate 32, the guide mounting supporting plate 32 is placed on the support, the position of the guide mounting supporting plate 32 close to the vibration conveying frame is a suspended part, and a labyrinth type sealing structure is arranged in the suspended part. Labyrinth type seal structure includes vortex closing plate I4, vortex closing plate II5, and the suspension portion at direction installation layer board 32 is installed at vortex closing plate 4 interval, and vortex closing plate II5 interval is installed on the jigging conveyer outer wall, and vortex closing plate I4 and vortex closing plate II5 set up alternately. And the turbulent flow sealing plate II5 stretches into the gap between the adjacent turbulent flow sealing plates I4, and the turbulent flow sealing plate II5 is provided with a gap with the guide mounting support plate 32, and the gap forms a vibration interval.
When the distance between the water-cooling smoke hood and the electric furnace mouth needs to be adjusted, the adjusting bolt is loosened, the adjusting plate is pulled to change the position of the adjusting bolt in the adjusting waist hole of the adjusting support plate, the distance is adjusted, and the adjusting bolt is screwed down after the adjusting is well adjusted, so that the locking is realized.
Hot-blast follow adjustable water-cooling petticoat pipe that gets into in the electric furnace, through the transmission of intermediate junction water-cooling petticoat pipe get into afterbody direction water-cooling petticoat pipe, afterbody direction water-cooling petticoat pipe is less than the structure of heat preservation because the slope structure of self and the afterbody of afterbody direction water-cooling petticoat pipe, changes the wind direction, makes hot-blast directly erode the scrap steel, does not erode the heat preservation of heat preservation petticoat pipe, has improved the preheating efficiency and the preheating temperature of scrap steel on the one hand, on the other hand has still prolonged.
And each section water-cooling petticoat pipe all is provided with seal structure, and the water-cooling seal structure that adjustable water-cooling petticoat pipe set up realizes sealed between adjustable water-cooling petticoat pipe and the track frame of travelling bogie, blocks that outside cold air gets into, and intermediate junction water-cooling petticoat pipe and afterbody direction water-cooling petticoat pipe pass through labyrinth type seal structure and realize sealed with the jigging conveyer, can prevent effectively that external cold air from getting into the water-cooling petticoat pipe in, improve preheating temperature.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a novel water-cooling petticoat pipe which characterized in that: comprises an adjustable water-cooling smoke hood (1), at least one middle connecting water-cooling smoke hood (2) and a tail guide water-cooling smoke hood (3); the adjustable water-cooling smoke hood (1), the middle connecting water-cooling smoke hood (2) and the tail guiding water-cooling smoke hood (3) are sequentially and hermetically connected.
2. The novel water-cooled smoke cage of claim 1, wherein: adjustable water-cooling petticoat pipe (1) is equipped with water-cooling seal structure, and water-cooling petticoat pipe (2) and afterbody direction water-cooling petticoat pipe (3) are connected in the middle part all are equipped with labyrinth type seal structure, and the tip of afterbody direction water-cooling petticoat pipe (3) is less than the heat preservation of heat preservation petticoat pipe.
3. The novel water-cooled smoke cage of claim 2, wherein: the cross section of the adjustable water-cooling smoke hood (1) is trapezoidal, and the width of the end part, close to the electric furnace, of the adjustable water-cooling smoke hood (1) is smaller than the width of the end part, far away from the electric furnace.
4. A novel water-cooled smoke cage according to claim 3, characterized in that: the adjustable water-cooling smoke hood (1) comprises an adjustable water-cooling sub-smoke hood (11), a fixed water-cooling sub-smoke hood (12) and a mounting plate (13); the lower part of the fixed water-cooling sub-smoke hood (12) is connected with the mounting plate (13), the adjustable water-cooling smoke hood (11) is adjustably connected with the mounting plate (13) and the adjustable water-cooling smoke hood (11) covers the port of the fixed water-cooling sub-smoke hood (12), and a water-cooling sealing structure is arranged at the bottom of the mounting plate (13).
5. The novel water-cooled smoke cage of claim 4, wherein: the water-cooling sealing structure comprises a water-cooling sealing plate (14), the water-cooling sealing plate (14) is arranged at the bottom of the mounting plate (13), and the water-cooling sealing plate (14) is provided with a water-cooling channel (15).
6. The novel water-cooled smoke cage of claim 4, wherein: adjustable water cooling sub-petticoat pipe (11) are installed on mounting panel (13) through adjustment mechanism, including adjusting backup pad (16), regulating plate (17) and adjusting bolt (18), adjust backup pad (16) and install on mounting panel (13), and be equipped with on adjusting backup pad (16) and adjust the waist hole, regulating plate (17) through adjusting bolt (18) with adjust the waist jogged joint, regulating plate (17) and the outer wall connection of adjustable water cooling sub-petticoat pipe (11).
7. A novel water-cooled smoke hood according to claim 1 or 2 or 3 or 4, characterized in that: the cross section that water-cooling petticoat pipe (2) is connected at the middle part is the rectangle, and middle part connection water-cooling petticoat pipe (2) are connected with middle part installation layer board (22) including connecting housing (21), and the lower part of connecting housing (21) is connected with middle part installation layer board (22), and middle part installation layer board (22) are placed on the support and middle part installation layer board (22) are close to the position of jigging conveyer frame for the portion of hanging, are equipped with labyrinth type seal structure in the portion of hanging.
8. The novel water-cooled hood according to claim 7, characterized in that: the cross section of afterbody direction water-cooling petticoat pipe (3) is trapezoidal, and afterbody direction water-cooling petticoat pipe (3) are close to the tip width that middle part connects water-cooling petticoat pipe (2) and are greater than the tip width that afterbody direction water-cooling petticoat pipe (3) are close to the heat preservation petticoat pipe.
9. The novel water-cooled smoke cage of claim 8, wherein: the tail guide water-cooling smoke hood (3) comprises a guide cover shell (31) and a guide mounting supporting plate (32); the tail part of the guide housing (31) is lower than the heat-insulating layer of the heat-insulating smoke hood; the lower part of the guide housing (31) is connected with a guide mounting supporting plate (32), the guide mounting supporting plate (32) is placed on the support, the position of the guide mounting supporting plate (32) close to the vibration conveying frame is a suspended part, and a labyrinth type sealing structure is arranged in the suspended part.
10. The novel water-cooled hood according to claim 9, characterized in that: labyrinth type seal structure includes vortex closing plate I (4), vortex closing plate II (5), and the suspension portion of middle part installation layer board (22) or the suspension portion of direction installation layer board (32) is installed at vortex closing plate (4) interval, and vortex closing plate II (5) interval is installed on the jigging conveyer frame outer wall, and vortex closing plate I (4) and vortex closing plate II (5) are alternately set up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010918749.XA CN111879134A (en) | 2020-09-04 | 2020-09-04 | Novel water-cooling smoke hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010918749.XA CN111879134A (en) | 2020-09-04 | 2020-09-04 | Novel water-cooling smoke hood |
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| CN111879134A true CN111879134A (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353039A (en) * | 2022-01-14 | 2022-04-15 | 云南铜业股份有限公司西南铜业分公司 | Exhaust-heat boiler inlet petticoat pipe |
-
2020
- 2020-09-04 CN CN202010918749.XA patent/CN111879134A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353039A (en) * | 2022-01-14 | 2022-04-15 | 云南铜业股份有限公司西南铜业分公司 | Exhaust-heat boiler inlet petticoat pipe |
| CN114353039B (en) * | 2022-01-14 | 2023-09-05 | 云南铜业股份有限公司西南铜业分公司 | Exhaust-heat boiler entry petticoat pipe |
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