CN113774176A - Cooling system of closed type pressurization water-cooling transmission gear box - Google Patents
Cooling system of closed type pressurization water-cooling transmission gear box Download PDFInfo
- Publication number
- CN113774176A CN113774176A CN202111171263.5A CN202111171263A CN113774176A CN 113774176 A CN113774176 A CN 113774176A CN 202111171263 A CN202111171263 A CN 202111171263A CN 113774176 A CN113774176 A CN 113774176A
- Authority
- CN
- China
- Prior art keywords
- water
- channel
- water inlet
- return
- cooling
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/18—Bell-and-hopper arrangements
- C21B7/20—Bell-and-hopper arrangements with appliances for distributing the burden
- C21B7/205—Details concerning the gear-box driving the charge distribution system
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Gear Transmission (AREA)
Abstract
The application discloses a cooling system of a closed pressurized water-cooling transmission gear box, which belongs to the technical field of blast furnace bell-less furnace top equipment, wherein a chute rotating cylinder is arranged in a box body of the water-cooling transmission gear box, a water inlet cavity and a water return cavity are arranged on the periphery of the upper end of the chute rotating cylinder, the water inlet cavity and the water return cavity are centrosymmetric about the chute rotating cylinder, rotating bodies are arranged in the water inlet cavity and the water return cavity, and the upper end of each rotating body is connected with the inner side of the upper surface of the box body of the water-cooling transmission gear box; the cross-section of the rotatory barrel of chute is the type structure of dogging, and the half lower section surface of type structure of dogging is equipped with water-cooling board cooling tube way, and water-cooling transmission gear box is equipped with the basin down around the bottom that is close to the rotatory barrel of chute, and the basin inserts outside inlet channel and outside return water pipeline down, and the basin is used for cooling the bottom heat of water-cooling transmission gear box, and this application rivers and blast furnace gas keep apart, and rivers do not receive the pollution, long-term use pipeline is difficult to the jam, and the cooling effect is good.
Description
Technical Field
The application relates to the technical field of blast furnace bell-less furnace top equipment, in particular to a cooling system of a closed pressurizing water-cooling transmission gear box.
Background
The blast furnace water-cooling gear box is one of important equipment in blast furnace production, and the blast furnace top water-cooling gear box consists of an upper gear box and a water-cooling gear box which are respectively used for controlling a material distribution chute to rotate and tilt.
However, at present, the upper water tank and the lower water tank in the blast furnace water-cooling gear box are of an open structure, water flow is easily polluted by blast furnace gas and lubricating grease of a slewing bearing, the pipeline is easily blocked after the water flow is polluted after the water flow is used for a long time, and the cooling effect is reduced.
Disclosure of Invention
The embodiment of the application provides a cooling system of closed pressurization water-cooling transmission gear case, the inside basin of going up of having solved blast furnace water-cooling gear case in the prior art, it is open structure to lower the basin, rivers receive blast furnace gas easily, the pollution of slewing bearing lubricating grease, long-time the use, the easy jam of pipeline behind the rivers pollution, the problem that the cooling effect reduces, rivers and blast furnace gas isolation have been realized, rivers do not receive blast furnace gas, the pollution of slewing bearing lubricating grease, long-time the use, the pipeline is difficult to block up, the effect that the cooling effect is high.
The embodiment of the invention provides a cooling system of a closed type pressurizing water-cooling transmission gear box, which comprises a water-cooling transmission gear box body, a water-cooling plate cooling pipeline, a chute rotating cylinder, a rotary bearing with external teeth and a rotating body, wherein the water-cooling plate cooling pipeline is arranged on the water-cooling transmission gear box body;
a chute rotating cylinder is arranged in the water-cooling transmission gear box body, a water inlet cavity and a water return cavity are arranged at the position, close to the water-cooling transmission gear box body, of the periphery of the upper end of the chute rotating cylinder, the water inlet cavity and the water return cavity are centrosymmetric with respect to the chute rotating cylinder, rotating bodies are arranged in the water inlet cavity and the water return cavity, and the upper end of each rotating body is connected with the inner side of the upper surface of the water-cooling transmission gear box body;
the cross section of the chute rotating cylinder body is of a convex structure, the surface of the lower half section of the convex structure is provided with a water cooling plate cooling pipeline, and the water inlet cavity, the water cooling plate cooling pipeline, the water outlet tank and the water return cavity form a water inlet return water loop; a lower water tank is arranged on the periphery of the bottom of the water-cooling transmission gear box body close to the chute rotating cylinder, the lower water tank is connected with an external water inlet pipeline and an external water return pipeline, and the lower water tank is used for cooling the bottom heat of the water-cooling transmission gear box body;
the periphery of the water inlet cavity and the periphery of the water return cavity of the chute rotating cylinder body, which are far away from blast furnace gas, are provided with bearing installation parts, the bearing installation parts are provided with rotating bearings with external teeth, inner rings of the rotating bearings with the external teeth are fixed with the water-cooling transmission gear box body, outer rings of the rotating bearings with the external teeth are fixed with the chute rotating cylinder body, and the chute rotating cylinder body is driven to rotate by driving the outer rings of the rotating bearings with the external teeth.
In a possible implementation manner, the upper end of the rotating body is connected with the inner side of the upper end of the water-cooling transmission gearbox body, a protrusion is arranged at the joint of the upper end of the rotating body and the water-cooling transmission gearbox body, a groove is arranged on the inner side of the upper end of the water-cooling transmission gearbox body, the protrusion is connected with the groove and leaves an upper labyrinth gap, the upper labyrinth gap is connected with a first nitrogen purging end, and the first nitrogen purging end enters from the upper part of the water-cooling transmission gearbox body;
the water-cooling transmission gear box body is close to water-cooling plate cooling pipeline department with the bottom side of the rotatory barrel of chute is also protruding and groove connection to be equipped with lower part labyrinth clearance in the junction, the second nitrogen gas in lower part labyrinth clearance connection blast furnace outside sweeps the end.
In a possible implementation manner, the rotating bodies in the water inlet cavity and the water return cavity comprise a fixed body and a rotating body, one side of the rotating body is connected with the outer wall of the chute rotating cylinder body close to the blast furnace gas side, the fixed body is positioned on one side of the rotating body and connected with the rotating body, the upper end of the fixed body is fixed on the water-cooling transmission gear box body, a channel is arranged in the fixed body and communicated with the channel arranged in the rotating body, and a flexible joint is arranged at the bottom of the channel of the rotating body;
the water inlet cavity comprises a first water inlet channel, a second water inlet channel, a third water inlet channel and a fourth water inlet channel; the water return cavity comprises a first water return channel, a second water return channel, a third water return channel and a fourth water return channel;
in the water inlet channel, the first water inlet channel is positioned in the fixed body, and an internal channel of the revolving body and the flexible joint form a second water inlet channel; the flexible joint is fixed on the third water inlet channel and communicated with the third water inlet channel, the flowing directions of water in the third water inlet channel and the second water inlet channel are mutually vertical, the third water inlet channel is communicated with a fourth water inlet channel, and the fourth water inlet channel is vertical to the third water inlet channel;
in the water return channel, the fourth water return channel is positioned in the fixed body, a channel arranged in the rotary body and the flexible joint form a third water return channel, the flexible joint is fixed on the third water inlet channel and communicated with the second water return channel, the second water return channel is vertical to the third water return channel, the second water return channel is communicated with the first water return channel, and the first water return channel is vertical to the second water return channel.
In a possible implementation manner, a bearing is arranged at the upper end of the joint of the revolving body and the fixed body, the bearing is positioned between the revolving body and the fixed body, a pressing ring is arranged at the upper end of the bearing, and the pressing ring is arranged close to the fixed body.
In a possible implementation manner, the flexible joint further comprises a corrugated pipe, a movable nut and a movable nut base;
the upper end of the flexible joint is connected with the bottom opening of the revolving body, the corrugated pipe is arranged in the middle of the flexible joint, the movable nut is arranged at the bottom of the flexible joint and fixed on the movable nut base, and the movable nut base is fixed on the third water inlet channel.
In a possible implementation, a sealing washer is arranged between the bottom of the flexible joint and the movable nut base.
In one possible implementation, the upper part of the flexible joint is sealed with the revolving body through an O-shaped sealing ring.
In a possible implementation manner, a groove is formed in a position, close to the bottom end, of a joint between the fixed body and the revolving body, and a supporting body is arranged in the groove.
In a possible implementation manner, three seals are further arranged between the fixed body and the revolving body, and the three seals are located at the upper part and the lower part of a channel connected between the fixed body and the revolving body.
In one possible implementation, the revolving body is fixed on the chute rotating cylinder body through an eccentric shaft and a fixing bolt.
One or more technical solutions provided in the embodiments of the present invention have at least the following technical effects or advantages:
1. according to the embodiment of the invention, the internal water flow of the closed pressurized water-cooled transmission gear box is of a closed structure, the circulation of the whole internal cavity is closed circulation, the outer ring of the slewing bearing driving the external teeth can drive the chute rotating cylinder to rotate, when the chute rotating cylinder rotates, the rotating body rotates along with the chute rotating cylinder, the closed pressurized water flow is circularly cooled through the water inlet channel and the water return channel, the heat in the box is taken away by heat exchange, so that the water-cooled transmission gear box works in a normal environment, the water flow is isolated from blast furnace gas, the water flow is not polluted by the blast furnace gas and lubricating grease of the slewing bearing, the water-cooled transmission gear box is used for a long time, a pipeline is not easy to block, and the cooling effect is high.
2. The water flow in the cold transmission gear box in the embodiment of the invention is of a closed structure, and the water flow flows under pressure, and has high water flow speed and large water flow.
3. According to the embodiment of the invention, a mechanical labyrinth gap (an upper labyrinth gap and a lower labyrinth gap) is arranged between the chute rotating cylinder and the water-cooling transmission gear box body, the upper labyrinth gap and the lower labyrinth gap are connected with the first nitrogen purging end and the second nitrogen purging end, the blast furnace gas is prevented from entering the gear box through nitrogen purging, the nitrogen and the water flow of the water-cooling transmission gear box are completely isolated, when the blast furnace gas in the furnace fluctuates greatly, the blast furnace gas is prevented from entering the gear box through adjusting the nitrogen amount, the nitrogen does not blow water into the furnace, and the water flow is not influenced by the fluctuation of the blast furnace gas in the furnace.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a cooling system of a closed pressurized water-cooled transmission gearbox according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a water inlet channel of a cooling system of a closed pressurized water-cooled transmission gearbox according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a water return channel of a cooling system of the closed type pressurized water-cooled transmission gearbox provided by the embodiment of the application;
fig. 4 is a schematic structural diagram of a connection between a water discharge tank and a chute rotary cylinder of a cooling system of a closed pressurized water-cooled transmission gear box provided in the embodiment of the present application;
FIG. 5 is a schematic structural diagram of a flexible joint of a cooling system of a closed pressurized water-cooled transmission gearbox according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a connection between a rotating body of a cooling system of a closed pressurized water-cooled transmission gear box and a chute rotating cylinder provided in the embodiment of the present application;
fig. 7 is a cross-sectional view taken along the direction a of fig. 6 according to an embodiment of the present disclosure.
Icon: 1-water cooling the transmission gear box body; 2-cooling the pipeline by a water cooling plate; 3-chute rotating cylinder; 4-a slewing bearing with external teeth; 5-a rotating body; 6-a stationary body; 7-pressing a ring; 8-a bearing; 9-a rotator; 10-sealing; 11-a flexible joint; 12-a loose nut; 13-a support; 14-O-ring seals; 15-a sealing gasket; 16-a bellows; 17-a loose nut base; 18-an eccentric shaft; 19-fixing the bolt; 111-a water discharge tank; 112-blast furnace gas.
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 some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
As shown in fig. 1 to 7, an embodiment of the present invention provides a cooling system of a closed pressurized water-cooled transmission gear box, including a water-cooled transmission gear box body 1, a water-cooled plate cooling pipeline 2, a chute rotating cylinder 3, a slewing bearing 4 with external teeth, and a rotating body 5;
the water-cooling transmission gear box comprises a water-cooling transmission gear box body 1, a chute rotating cylinder body 3, a water inlet cavity and a water return cavity, wherein the chute rotating cylinder body 3 is arranged in the water-cooling transmission gear box body 1, the periphery of the upper end of the chute rotating cylinder body 3 is close to the water-cooling transmission gear box body 1, the water inlet cavity and the water return cavity are centrosymmetric with respect to the chute rotating cylinder body 3, rotating bodies 5 are arranged in the water inlet cavity and the water return cavity, and the upper end of each rotating body 5 is connected with the inner side of the upper surface of the water-cooling transmission gear box body 1;
the cross section of the chute rotating cylinder 3 is of a convex structure, the surface of the lower half section of the convex structure is provided with a water-cooling plate cooling pipeline 2, and a water inlet return water loop is formed by the water inlet cavity, the water-cooling plate cooling pipeline 2, the lower water tank 111 and the water return cavity; a lower water tank 111 is arranged around the bottom of the water-cooling transmission gear box body 1 close to the chute rotating cylinder 3, the lower water tank 111 is connected to an external water inlet pipeline and an external water return pipeline, and the lower water tank 111 is used for cooling the bottom heat of the water-cooling transmission gear box body 1;
the periphery of the water inlet cavity and the water return cavity of the chute rotating cylinder body 3, which are far away from the blast furnace gas 112, is provided with a bearing installation part, the bearing installation part is provided with a rotary bearing 4 with external teeth, the inner ring of the rotary bearing 4 with external teeth is fixed with the water-cooling transmission gear box body 1, the outer ring of the rotary bearing 4 with external teeth is fixed with the chute rotating cylinder body 3, and the chute rotating cylinder body 3 is driven to rotate by the outer ring of the rotary bearing 4 with external teeth.
By adopting the scheme, cooling water enters the water inlet cavity of the rotating body 5 through the upper part of the water-cooling transmission gear box body 1 and then passes through the water inlet cavity of the chute rotating cylinder body 3, then the cooling water passes through the water cooling plate cooling pipeline 2, the cooling water passing through the water cooling plate cooling pipeline 2 enters the water return cavity of the chute rotating cylinder 3, through the flexible joint 11 and finally through the rotator 5 return water channel to the water-cooling transmission gear box body 1 upper return water channel, the water-cooling transmission gear box body 1 lower part is the annular water-discharging groove 111 water channel, the cooling water passes through the external water inlet pipeline, the water flow passing through the water-cooling transmission gear box body 1 bottom, then returning to a water return channel of a lower water tank 111 of the water-cooling transmission gear box body 1 to reach a water return pipeline outside the lower water tank 111 (indicated by an arrow at the lower water tank 111 in fig. 1), and completing water inlet and water return circulation; therefore, the water inlet and return circulation of the water inlet cavity, the water return cavity and the water cooling plate cooling pipeline 2 is mainly used for cooling the periphery of the upper chute rotating cylinder 3, and the water inlet and return circulation of the lower water tank 111 is mainly used for cooling the bottom heat of the water cooling transmission gear box body 1; in addition, the outer ring of the slewing bearing 4 with the driving external teeth can drive the chute rotary cylinder 3 to rotate, when the chute rotary cylinder 3 rotates, the rotary body 5 rotates along with the chute rotary cylinder 3, the whole cooling water flow passage is of a closed structure, closed pressurized water flows pass through the water inlet cavity and the water return cavity for circulating cooling, heat in the box is taken away by heat exchange, so that the water-cooled transmission gear box body 1 works in a normal environment, the water flow is completely isolated from the blast furnace gas 112, meanwhile, the closed structure also avoids the pollution of lubricating grease of the slewing bearing, the rotary bearing can be used for a long time, pipelines are not easy to block, the cooling effect is high, therefore, the rotary body 5 is used as a passage for water inlet and water return, the rotary shaft type blast furnace has the advantages that the water flow can be pressurized, the flow is large, the cooling effect is good, the lower water tank 111 is mainly concentrated on the lower shell part of the water-cooled transmission gear box body 1, thus, the upper circulation and the lower circulation are separated, more effective cooling can be performed on the water-cooled transmission gearbox body 1.
Optionally, the upper end of the rotating body 5 is connected with the inner side of the upper end of the water-cooling transmission gear box body 1, a protrusion is arranged at the joint of the upper end of the rotating body 5 and the water-cooling transmission gear box body 1, a groove is arranged on the inner side of the upper end of the water-cooling transmission gear box body 1, the protrusion is connected with the groove and leaves an upper labyrinth gap, the upper labyrinth gap is connected with a first nitrogen purging end, and the first nitrogen purging end enters from the upper part of the water-cooling transmission gear box body 1;
the position of the water-cooling transmission gear box body 1 close to the water-cooling plate cooling pipeline 2 and the side of the bottom end of the chute rotating cylinder body 3 are also connected by a protrusion and a groove, a lower labyrinth gap is arranged at the joint, and the lower labyrinth gap is connected with a second nitrogen blowing end outside the blast furnace.
An upper labyrinth gap and a lower labyrinth gap are formed between the chute rotating cylinder 3 and the water-cooling transmission gear box body 1, the upper labyrinth gap and the lower labyrinth gap are connected with a first nitrogen purging end and a second nitrogen purging end, and the blast furnace gas 112 is prevented from entering the gear box through nitrogen purging, so that the interior of the gear box is protected from being cleaned, and the service life of the gear is prevented from being influenced by the dust of the blast furnace gas 112; the nitrogen and the water flow of the closed pressurized water-cooling transmission gear box are completely isolated, when the fluctuation of the blast furnace gas 112 in the furnace is large, the blast furnace gas 112 is prevented from entering the gear box by adjusting the nitrogen flow, the nitrogen and water flow channels cannot be crossed, and the water flow cannot be influenced by adjusting the nitrogen flow, so that the nitrogen cannot blow water into the furnace, and the water flow cannot be influenced by the fluctuation of the blast furnace gas 112 in the furnace.
Optionally, the rotator 5 in the water inlet cavity and the water return cavity comprises a fixing body 6 and a rotator 9, one side of the rotator 9 is connected with the outer wall of the chute rotating cylinder 3 close to the blast furnace gas 112 side, the fixing body 6 is located at one side of the rotator 9 and is connected with the rotator 9, the upper end of the fixing body 6 is fixed on the water-cooling transmission gear box body 1, a channel arranged in the fixing body 6 and a channel arranged in the rotator 9 are communicated with each other, the bottom of the channel of the rotator 9 is provided with a flexible joint 11, the flexible joint 11 enables the pipelines to be in butt joint easily, and meanwhile, the butt joint performance is good.
As indicated by arrows in fig. 2, the water inlet cavity comprises a first water inlet channel, a second water inlet channel, a third water inlet channel and a fourth water inlet channel; as indicated by arrows in fig. 3, the water return cavity includes a first water return passage, a second water return passage, a third water return passage, and a fourth water return passage therein.
In the water inlet channel, a first water inlet channel is positioned in the fixed body 6, and an internal channel of the revolving body 9 and the flexible joint 11 form a second water inlet channel; the flexible joint 11 is fixed on the third water inlet channel and is communicated with the third water inlet channel, the flowing directions of water in the third water inlet channel and the second water inlet channel are mutually vertical, the third water inlet channel is communicated with the fourth water inlet channel, and the fourth water inlet channel is vertical to the third water inlet channel.
In the water return channel, a fourth water return channel is positioned in the fixed body 6, a channel arranged in the rotary body 9 and the flexible joint 11 form a third water return channel, the flexible joint 11 is fixed on the third water inlet channel and is communicated with a second water return channel, the second water return channel is vertical to the third water return channel, the second water return channel is communicated with the first water return channel, and the first water return channel is vertical to the second water return channel.
Through the above scheme, at first, the solid 6 is fixed and is motionless on water-cooling transmission gear box 1, solid of revolution 9 rotates along with the rotatory barrel 3 of chute simultaneously, through set up inhalant canal and return water passageway in solid of revolution 6 and the inside of solid of revolution 9, rivers are when getting into the inside passageway of solid of revolution 6 and solid of revolution 9, the water in this passageway can not receive the influence of lubricating oil on the slewing bearing 4 of outband tooth, and do not have the gap between slewing bearing 4 of outband tooth and can circulate, in addition, blast furnace gas 112 and nitrogen gas also with the solid of revolution 6 and the inside passageway of solid of revolution 9 between isolated each other, rivers can not flow to in the middle of the inside passageway of solid of revolution 6 and solid of revolution 9.
Two transverse channels and two vertical channels are arranged on the fixed body 6, two transverse channels and two vertical channels are also arranged on the revolving body 9, each transverse channel on the fixed body 6 corresponds to each vertical channel on the revolving body 9 and is communicated with each other, the two channels on the fixed body 6 are not influenced with each other, and the two channels on the revolving body 9 are not influenced with each other; like this the water inlet channel in the water inlet cavity, second water inlet channel, third water inlet channel and fourth water inlet channel, first return water passageway, second return water passageway, third return water passageway and fourth return water passageway in the return water cavity can realize intercommunication each other between the passageway and the circulation of rivers through the integrated channel of stationary body 6 and the inside of solid of revolution 9 when circulating each other, and the requirement of the return water of can also satisfying into when stationary body 6 and solid of revolution 9 structure are little.
Optionally, a bearing 8 is arranged at the upper end of the joint of the revolving body 9 and the fixed body 6, the bearing 8 is located between the revolving body 9 and the fixed body 6, a pressing ring 7 is arranged at the upper end of the bearing 8, and the pressing ring 7 is arranged close to the fixed body 6. The fixing body 6 is fixed on the water-cooling transmission gear box body 1 and is still, the bearing 8 is installed between the revolving body 9 and the fixing body 6, the pressing ring 7 presses the bearing 8 to prevent the bearing 8 from moving up and down, the revolving body 9 can rotate around the bearing 8 to further prevent the water flow channel from shifting, part of water flow cannot flow towards a specific channel to cause leakage of water flow, and the leaked water flow is polluted to cause pipeline blockage; in addition, when the fixed body 6 is connected with the revolving body 9, a part of the upper end of the fixed body 6 extends to the upper end of the revolving body 9 and is arranged on the revolving body 9, so that when the fixed body 6 and the revolving body 9 are connected, the stability and the tightness are enhanced, the connectivity between the water flow channels between the fixed body 6 and the revolving body 9 is enhanced, and the water flow cannot leak to the outside and be polluted.
Optionally, the flexible joint 11 further includes a bellows 16, a live nut 12, and a live nut base 17; the upper end of the flexible joint 11 is connected with the bottom opening of the revolving body 9, the corrugated pipe 16 is arranged in the middle of the flexible joint 11, the bottom of the flexible joint 11 comprises a movable nut 12, the movable nut 12 is fixed on a movable nut base 17, and the movable nut base 17 is fixed on a third water inlet channel. The flexible joint 11 is installed and is connected rivers passageway between rotator 5 and the rotatory barrel 3 of chute, and loose nut 12, loose nut base 17 are used for fixed flexible joint 11, and are convenient for install and fixed, and it is high to set up 16 external pressure resistant intensity of bellows, and is resistant to strike, possesses the ring flexibility, and the inner wall is smooth greasy to rub to hinder for a short time, and light in weight.
Optionally, a sealing gasket 15 is provided between the bottom of the flexible joint 11 and the live nut seat 17 to prevent water flow out of the live nut 12 and the live nut seat 17. During specific installation, the concentric errors of the upper hole and the lower hole in installation and processing among all parts of the flexible joint 11 are overcome, and the smoothness of water flow is ensured.
Optionally, the upper part of the flexible joint 11 is sealed with the rotator 9 through an O-ring 14, so as to prevent water flow from flowing to the outside of the water inlet channel and the water return channel.
Optionally, a groove is formed at a position, close to the bottom end, of a joint between the fixed body 6 and the revolving body 9, and a support body 13 is arranged in the groove. The supporting body 13 is arranged between the fixed body 6 and the revolving body 9, and supports and guides the revolving body 9 to rotate uniformly and stably, so that the water circulation is more uniform in water inlet and return, uniform in cooling and good in effect.
Optionally, three seals 10 are further disposed between the fixed body 6 and the revolving body 9, and the three seals 10 are respectively located at upper and lower portions of a passage connected between the fixed body 6 and the revolving body 9. The fixed body 6 and the revolving body 9 are provided with two passages, namely a water inlet passage and a water return passage, a middle seal 10 in three seals 10 shown in figures 2 and 3 avoids the intersection between the water inlet passage and the water return passage, so that water flows only in the water inlet passage and the water return passage, and the uppermost seal 10 and the lowermost seal 10 in the three seals 10 shown in figures 2 and 3 prevent water from flowing to other places except the water inlet passage and the water return passage from the water inlet passage or the water return passage.
Alternatively, referring to fig. 6 and 7, the revolving body 9 is fixed on the chute rotating cylinder 3 through an eccentric shaft 18 and a fixing bolt 19, and the eccentric shaft 18 is adjusted to compress the locking eccentric shaft 18 in the U-shaped hole of the revolving body 9, so that the revolving body 9 of the revolving body 5 rotates along with the chute rotating cylinder 3.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171263.5A CN113774176A (en) | 2021-10-08 | 2021-10-08 | Cooling system of closed type pressurization water-cooling transmission gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171263.5A CN113774176A (en) | 2021-10-08 | 2021-10-08 | Cooling system of closed type pressurization water-cooling transmission gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113774176A true CN113774176A (en) | 2021-12-10 |
Family
ID=78854943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111171263.5A Pending CN113774176A (en) | 2021-10-08 | 2021-10-08 | Cooling system of closed type pressurization water-cooling transmission gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113774176A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6544468B1 (en) * | 1997-11-26 | 2003-04-08 | Paul Wurth S.A. | Method for cooling a shaft furnace loading device |
| CN1516742A (en) * | 2001-06-26 | 2004-07-28 | ���Ͽع�����˾ | Shaft Furnace Loading Device |
| US20120141234A1 (en) * | 2009-08-26 | 2012-06-07 | Paul Wurth S.A. | Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore |
| CN203007290U (en) * | 2012-11-23 | 2013-06-19 | 中冶南方工程技术有限公司 | Water cooling system for blast furnace distributing device |
| CN205275624U (en) * | 2015-12-15 | 2016-06-01 | 中冶南方工程技术有限公司 | Half -closed reversible water cooling plant of distributing device |
| CN205473858U (en) * | 2016-02-16 | 2016-08-17 | 中冶南方工程技术有限公司 | A closed water cooling system for distributing device |
| CN112609033A (en) * | 2020-12-24 | 2021-04-06 | 中钢集团西安重机有限公司 | Water-cooled distributing device for blast furnace |
| CN216192446U (en) * | 2021-10-08 | 2022-04-05 | 中钢集团西安重机有限公司 | Cooling system of closed type pressurization water-cooling transmission gear box |
-
2021
- 2021-10-08 CN CN202111171263.5A patent/CN113774176A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6544468B1 (en) * | 1997-11-26 | 2003-04-08 | Paul Wurth S.A. | Method for cooling a shaft furnace loading device |
| CN1516742A (en) * | 2001-06-26 | 2004-07-28 | ���Ͽع�����˾ | Shaft Furnace Loading Device |
| US20120141234A1 (en) * | 2009-08-26 | 2012-06-07 | Paul Wurth S.A. | Shaft furnace charging device equipped with a cooling system and annular swivel joint therefore |
| CN203007290U (en) * | 2012-11-23 | 2013-06-19 | 中冶南方工程技术有限公司 | Water cooling system for blast furnace distributing device |
| CN205275624U (en) * | 2015-12-15 | 2016-06-01 | 中冶南方工程技术有限公司 | Half -closed reversible water cooling plant of distributing device |
| CN205473858U (en) * | 2016-02-16 | 2016-08-17 | 中冶南方工程技术有限公司 | A closed water cooling system for distributing device |
| CN112609033A (en) * | 2020-12-24 | 2021-04-06 | 中钢集团西安重机有限公司 | Water-cooled distributing device for blast furnace |
| CN216192446U (en) * | 2021-10-08 | 2022-04-05 | 中钢集团西安重机有限公司 | Cooling system of closed type pressurization water-cooling transmission gear box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5319964B2 (en) | AIR SUPPLY DEVICE AND HIGH-TEMPERATURE POWDER COOLING EQUIPMENT HAVING THE AIR SUPPLY DEVICE | |
| CN102405365B (en) | Mechanical seal device | |
| KR101425634B1 (en) | Regenerative combustion apparatus with rotary valve having improved sealing in switching flow direction | |
| CN101387476B (en) | An annular air duct end sealing body | |
| BRPI0612716A2 (en) | shaft seal assembly | |
| CN216192446U (en) | Cooling system of closed type pressurization water-cooling transmission gear box | |
| JP7562108B2 (en) | Blast furnace raw material charging equipment with improved nitrogen seal structure | |
| CN113774176A (en) | Cooling system of closed type pressurization water-cooling transmission gear box | |
| JP3782690B2 (en) | Mechanical seal device | |
| CN209370304U (en) | A new structure of water-cooled bearing seat | |
| KR102652304B1 (en) | Rotary kiln sealing systems and rotary kiln equipment | |
| JP4199418B2 (en) | Method for cooling blast furnace filling equipment | |
| CN101598501A (en) | a circular duct | |
| CN220759720U (en) | Spray gun and reaction equipment with same | |
| CN216143179U (en) | A kind of inclined gear oil retaining ring | |
| CN112609033B (en) | Water-cooled distributing device for blast furnace | |
| SU1311624A3 (en) | Arrangement for refining molten metal | |
| CN120521390B (en) | Gradient labyrinth and magnetic fluid combined sealing device for hydrogen metallurgy horizontal rotary kiln | |
| CN111014179A (en) | A self-purging structure for preventing clogging of a butterfly valve and comprising a butterfly valve | |
| CN114893401B (en) | Hydrogen circulating pump and vehicle | |
| RU2787765C1 (en) | Rotary kiln sealing system and rotary kiln equipment | |
| CN114321372A (en) | High temperature and high pressure mechanical sealing device for composite power tank and method of using the same | |
| CN212899748U (en) | Baffle valve and have its vacuum unit | |
| CN220435500U (en) | Rotary joint for rotary cooling device | |
| CN119979794B (en) | A thin-wall cooling wall for blast furnace and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |