CN216585053U - Device for preventing spindle nose from leaking air - Google Patents
Device for preventing spindle nose from leaking air Download PDFInfo
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- CN216585053U CN216585053U CN202123086466.2U CN202123086466U CN216585053U CN 216585053 U CN216585053 U CN 216585053U CN 202123086466 U CN202123086466 U CN 202123086466U CN 216585053 U CN216585053 U CN 216585053U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a device for preventing a spindle head from leaking air, wherein a base is provided with first through holes distributed along a central shaft, the base is provided with at least two first threaded holes, one side of the base, which is far away from an orifice of the first threaded holes, is configured and welded at a target position, a gland comprises a cover plate and a boss positioned on one side of the cover plate, the cover plate is arranged outside the first through holes, the boss is arranged in the first through holes, the outer periphery of the boss is attached to the inner periphery of the first through holes of the base, the cover plate is provided with at least two second threaded holes, the gland is provided with second through holes distributed along the central shaft, the second through holes penetrate through the cover plate and the boss, the cover plate is provided with at least two second threaded holes, the second threaded holes are arranged opposite to the first threaded holes, screws are arranged at the first threaded holes and the second threaded holes, a sealing element is arranged in the first through holes, and the sealing element is abutted to the bosses of the base and the gland. The device realizes the function of preventing the unfavorable phenomenon of shaft head wind leakage, ensures the stable operation of the blast furnace, and improves the potential safety hazard caused by the escape of unfavorable gas.
Description
Technical Field
The utility model relates to the technical field of blast furnace top equipment, in particular to a device for preventing a shaft head from leaking air.
Background
In order to ensure that the raw materials are smoothly loaded into the iron-making blast furnace under high pressure, the upper opening and the lower opening of a charging bucket at the top of the furnace are provided with sealing valves, which are called upper sealing valves and lower sealing valves. The upper sealing valve is arranged at the top end of the charging bucket, the upper part of the upper sealing valve is connected with a receiving port of the charging bucket, and the lower part of the upper sealing valve is communicated with the charging bucket body. Due to the coordinated action of the bleeding valve, the pressure of the charging bucket and the pressure outside the charging bucket are equalized, the upper sealing valve is opened to charge the charging bucket, and the charging bucket is closed after a batch of materials is charged. The lower sealing valve is arranged in the weighing hopper bracket at the lower end of the charging bucket, the upper part of the lower sealing valve is connected with the flow regulating valve at the outlet of the charging bucket, and the lower part of the lower sealing valve is communicated with the middle funnel. When the weighing hopper needs to discharge materials, the charging bucket and the furnace are equalized in pressure through the coordinated action of the pressure equalizing valve, coal gas used in the pressure equalizing process is opened by the lower sealing valve, the materials enter the middle hopper and are loaded into the blast furnace through the corrugated pipe, the short section, the central throat pipe and the distribution chute.
The upper sealing valve and the lower sealing valve of the iron-making blast furnace are vital equipment in the production process of the blast furnace, especially, the stable operation of the blast furnace is directly influenced if the shaft head leaks air, and then coal gas is used by the blast furnace, so that the operation of processing the air leakage fault is high in risk, and the shaft head is urgently required to be prevented from leaking air.
SUMMERY OF THE UTILITY MODEL
The application provides a prevention spindle nose device that runs out wind has solved the technical problem that the spindle nose ran out wind in the correlation technique.
The application provides a device for preventing air leakage of a shaft head, which comprises a base, a pressing cover, at least two screws and a sealing element, wherein the base is provided with first through holes distributed along a central shaft, the base is provided with at least two first threaded holes, one side, far away from orifices of the first threaded holes, of the base is configured and welded at a target position, the pressing cover comprises a cover plate and a boss positioned on one side of the cover plate, the cover plate is arranged outside the first through holes, the boss is arranged in the first through holes, the outer periphery of the boss is attached to the inner periphery of the first through holes of the base, the cover plate is provided with at least two second threaded holes, the pressing cover is provided with second through holes distributed along the central shaft, the second through holes penetrate through the cover plate and the boss, the cover plate is provided with at least two second threaded holes, the second threaded holes are arranged opposite to the first threaded holes, the screws are arranged at the first threaded holes and the second threaded holes, the sealing element is arranged in the first through holes, the sealing element and the base, The boss of the gland is abutted.
Optionally, the outer diameter of the boss is equal to the inner diameter of the first through hole.
Optionally, the base is provided with a plurality of first screw holes distributed along the circumference, and the apron of gland is provided with a plurality of second screw holes distributed along the circumference, and first screw hole and second screw hole one-to-one set up.
Optionally, the base comprises two half bases formed by dividing a symmetrical surface in a welding manner;
the gland comprises two half glands formed by dividing a symmetrical surface in a welding mode.
Optionally, the base is configured to be cut along the symmetrical plane to form a half base, the gland is configured to be cut along the symmetrical plane to form a half gland, and a chamfer is arranged at a cut formed by cutting.
Optionally, the base and the cover are both made of steel.
Optionally, the base and cover plates are both made of Q235B steel.
Optionally, the seal comprises a chevron seal.
Optionally, the device for preventing the air leakage of the shaft head comprises a sealing valve on a charging bucket on the top of the blast furnace, and the device for preventing the air leakage of the shaft head is arranged on a shaft in the charging bucket.
Optionally, the device for preventing the air leakage of the shaft head comprises a lower sealing valve for a charging bucket at the top of the blast furnace, and the device for preventing the air leakage of the shaft head is installed on a shaft inside the bracket of the weighing hopper.
The beneficial effect of this application is as follows: the application provides a prevention spindle nose dress of running wind, with pedestal mounting target department, the gland passes through the screw, first screw hole and second screw hole realize with the threaded connection of base, the boss of gland is arranged in first through-hole, residual region in the first through-hole of base is formed with the seal chamber, wherein be equipped with the sealing member, sealing member and base, the boss butt of gland, the spindle nose passes first through-hole and second through-hole, thereby realize the prevention function to the unfavorable phenomenon of spindle nose wind running, both ensure the steady operation of blast furnace, improve again unfavorable gaseous escape and the potential safety hazard that causes outward.
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 will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a sectional view of an assembled state of a wind leakage prevention device for a shaft head provided by the present application.
The attached drawings are marked as follows: 100-base, 110-first through hole, 120-first threaded hole, 200-gland, 210-cover plate, 211-second threaded hole, 220-boss, 230-second through hole, 300-sealing element.
Detailed Description
The embodiment of the application provides a device for preventing the shaft head from leaking air, and solves the technical problem that the shaft head leaks air in the prior art.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a device for preventing a spindle head from leaking wind, which comprises a base and a gland, at least two screws and sealing member, the base is equipped with the first through-hole that distributes along the center pin, the base is equipped with two at least first screw holes, one side that first screw hole drill way was kept away from to the base is disposed and is welded in target department, the gland includes apron and the boss that is located apron one side, the apron is located outside the first through-hole, the boss is located in the first through-hole, the outer peripheral edge of boss and the interior peripheral edge laminating of the first through-hole department of base, the apron is equipped with two at least second screw holes, the gland is equipped with the second through-hole that distributes along the center pin, the second through-hole runs through apron and boss setting, the apron is equipped with two at least second screw holes, the second screw hole sets up with first screw hole relatively, the screw mounting is in first screw hole and second screw hole department, the sealing member is located in the first through-hole, sealing member and base, the boss butt of gland.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1, the present embodiment discloses a device for preventing wind leakage from a shaft head, comprising a base 100, a gland 200, at least two screws and a sealing element 300, wherein the base 100 is provided with first through holes 110 distributed along a central axis, the base 100 is provided with at least two first threaded holes 120, one side of the base 100 away from the orifices of the first threaded holes 120 is configured to be welded at a target position, the gland 200 comprises a cover plate 210 and a boss 220 positioned at one side of the cover plate 210, the cover plate 210 is arranged outside the first through holes 110, the boss 220 is arranged in the first through holes 110, the outer periphery of the boss 220 is attached to the inner periphery of the first through holes 110 of the base 100, the cover plate 210 is provided with at least two second threaded holes 211, the gland 200 is provided with second through holes 230 distributed along the central axis, the second through holes 230 are arranged through the cover plate 210 and the boss 220, the cover plate 210 is provided with at least two second threaded holes 211, the second threaded holes 211 are arranged opposite to the first threaded holes 120, the screws are mounted in the first screw hole 120 and the second screw hole 211, the sealing member 300 is disposed in the first through hole 110, and the sealing member 300 abuts against the bosses 220 of the base 100 and the cover 200.
In the present embodiment, the cross-sectional views of the base 100 and the cover plate 210 are both circular, as shown in fig. 1, it can be understood that the central axis of the base 100 coincides with the central axis of the first through hole 110, and the central axis of the gland 200 is the central axis of the cover plate 210, the central axis of the boss 220, and also coincides with the central axis of the second through hole 230.
Specifically, the base 100 is installed at a target, the gland 200 is in threaded connection with the base 100 through the screw, the first threaded hole 120 and the second threaded hole 211, the boss 220 of the gland 200 is arranged in the first through hole 110, a sealing cavity is formed in the residual area in the first through hole 110 of the base 100, the sealing element 300 is arranged in the sealing cavity, the sealing element 300 is abutted against the boss 220 of the base 100 and the gland 200, and the shaft head penetrates through the first through hole 110 and the second through hole 230, so that the function of preventing the wind leakage unfavorable phenomenon of the shaft head is realized, the stable operation of the blast furnace is guaranteed, and the potential safety hazard caused by the escape of unfavorable gas is improved.
Optionally, the device for preventing the air leakage from the shaft head of the embodiment can be used for a sealing valve on a charging bucket at the top of a blast furnace, and the target position for welding the base 100 is selected to be on the shaft in the charging bucket.
Optionally, the device for preventing the air leakage from the shaft head of the embodiment can be used for a lower sealing valve of a charging bucket on the top of a blast furnace, and the target position for welding the base 100 is selected to be on a shaft inside a weighing hopper bracket.
Optionally, the outer diameter of the boss 220 is equal to the inner diameter of the first through hole 110, and is also equal to the outer diameter of a defined seal cavity for receiving a seal 300 as in fig. 1. The seal 300 may take the form of a chevron seal.
Optionally, the base 100 is provided with a plurality of first threaded holes 120 distributed along the circumferential direction, the cover plate 210 of the gland 200 is provided with a plurality of second threaded holes 211 distributed along the circumferential direction, and the first threaded holes 120 and the second threaded holes 211 are arranged in a one-to-one manner, for example, 6 threaded holes can be selected for installing screws to install the gland 200 on the base 100.
The device for preventing the air leakage from the shaft head of the embodiment is used for further arranging the base 100 and the gland 200 in the fixed and formed environment in the situations of an upper sealing valve, a lower sealing valve and the like of a charging bucket on the top of a blast furnace, and ensures smooth installation.
Specifically, the base 100 comprises two half bases 100 welded by dividing a symmetrical plane, and the gland 200 comprises two half glands 200 welded by dividing a symmetrical plane. The two-half base 100 specifically means that the base 100 is divided into two halves, and the two-half cover 200 means that the cover 200 is divided into two halves. When the device is installed, firstly, the two half bases 100 are welded to a target position, namely, the shaft end, and then the two half bases 100 are mutually welded to form a complete base 100; the sealing member 300 is inserted into the sealing chamber (inside the first through hole 110); the two half pressing covers 200 are fastened to the base 100 by screws, and then the two half pressing covers 200 are welded to each other to form a complete pressing cover 200. Thereby can install smoothly, and guaranteed the device leakproofness.
Alternatively, the base 100 is configured to be cut along the symmetrical plane to form the half base 100, the cover 200 is configured to be cut along the symmetrical plane to form the half cover 200, and the cut formed by cutting is ground to form a chamfer, thereby facilitating welding after installation.
The base 100 and the cover 210 may be made of steel, such as Q235B steel.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a prevention spindle nose device that leaks wind, its characterized in that, prevention spindle nose device that leaks wind includes:
the base is provided with first through holes distributed along a central shaft and at least two first threaded holes, and one side of the base, which is far away from the orifices of the first threaded holes, is configured and welded at a target shaft head;
the gland comprises a cover plate and a boss positioned on one side of the cover plate, the cover plate is arranged outside the first through hole, the boss is arranged in the first through hole, the outer periphery of the boss is attached to the inner periphery of the first through hole of the base, the cover plate is provided with at least two second threaded holes, the gland is provided with second through holes distributed along a central shaft, the second through holes penetrate through the cover plate and the boss, the cover plate is provided with at least two second threaded holes, and the second threaded holes are opposite to the first threaded holes;
at least two screws mounted at the first and second threaded holes;
and the sealing element is arranged in the first through hole and is abutted against the boss of the base and the gland.
2. The wind escape prevention device of claim 1 wherein said boss has an outer diameter equal to an inner diameter of said first through hole.
3. The device for preventing wind leakage from a shaft head according to claim 1, wherein the base is provided with a plurality of circumferentially distributed first threaded holes, the cover plate of the gland is provided with a plurality of circumferentially distributed second threaded holes, and the first threaded holes and the second threaded holes are arranged in a one-to-one manner.
4. The device for preventing wind leakage at a shaft head according to claim 1, wherein the base comprises two half bases formed by dividing a symmetrical plane through welding;
the gland comprises two half glands formed by dividing a symmetrical surface in a welding mode.
5. The gudgeon wind escape prevention device of claim 4, wherein the base is configured to be cut along a plane of symmetry to form the half-base, the gland is configured to be cut along a plane of symmetry to form the half-gland, and the cut is chamfered.
6. The wind escape prevention device of claim 1 wherein said base and said cover are each formed of steel.
7. The wind escape prevention nose of claim 6 wherein said base and said cover are each formed of Q235B steel.
8. The wind escape prevention device of claim 1, wherein said seal comprises a chevron seal.
9. The device of any one of claims 1 to 8, wherein the device comprises a sealing valve on a charging bucket on a furnace top of the blast furnace, the device being mounted on a shaft inside the charging bucket.
10. The device of any one of claims 1 to 8, wherein the device comprises a lower sealing valve for the furnace top bucket of the blast furnace, the device being mounted on a shaft inside the bracket of the weighing hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123086466.2U CN216585053U (en) | 2021-12-08 | 2021-12-08 | Device for preventing spindle nose from leaking air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123086466.2U CN216585053U (en) | 2021-12-08 | 2021-12-08 | Device for preventing spindle nose from leaking air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216585053U true CN216585053U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123086466.2U Active CN216585053U (en) | 2021-12-08 | 2021-12-08 | Device for preventing spindle nose from leaking air |
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| Country | Link |
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| CN (1) | CN216585053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478123A (en) * | 2022-09-23 | 2022-12-16 | 北京首钢股份有限公司 | Method for repairing sealing valve of blast furnace top charging bucket |
-
2021
- 2021-12-08 CN CN202123086466.2U patent/CN216585053U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478123A (en) * | 2022-09-23 | 2022-12-16 | 北京首钢股份有限公司 | Method for repairing sealing valve of blast furnace top charging bucket |
| CN115478123B (en) * | 2022-09-23 | 2023-07-18 | 北京首钢股份有限公司 | Repairing method of blast furnace top charging bucket sealing valve |
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