CN211848024U - Blast furnace cooling wall series connection suppression device - Google Patents
Blast furnace cooling wall series connection suppression device Download PDFInfo
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- CN211848024U CN211848024U CN201922193823.1U CN201922193823U CN211848024U CN 211848024 U CN211848024 U CN 211848024U CN 201922193823 U CN201922193823 U CN 201922193823U CN 211848024 U CN211848024 U CN 211848024U
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Abstract
The utility model relates to a blast furnace stave technical field just discloses a blast furnace stave series connection is suppressed device, including the stave body, the last fixed surface intercommunication of stave body has the water-cooled tube, right side the fixed intercommunication of inner wall of water-cooled tube has the connecting pipe, the fixed intercommunication in right side of connecting pipe has the pump of suppressing. The utility model discloses a high-pressure rubber tube, hollow full-thread bolt, the nut, first gasket, second gasket and hollow rubber cylinder, when sealed water-cooling pipe, insert hollow rubber cylinder to the water-cooling pipe in, then rotate the nut, press first gasket through the nut, make the distance reduce between first gasket and the second gasket, at this moment, hollow rubber cylinder receives the extrusion and takes place the inflation, and with water-cooling pipe in close contact with, and then seal the water-cooling pipe through hollow rubber cylinder, and communicate adjacent water-cooling pipe together through the high-pressure rubber tube, convenient to use person beats the pressure and detects blast furnace stave.
Description
Technical Field
The utility model relates to a blast furnace stave technical field especially relates to a blast furnace stave is established ties and is suppressed device.
Background
The blast furnace cooling wall is an important water cooling part of a blast furnace lining, is arranged at the positions of a furnace body, a furnace waist, a furnace belly, a furnace hearth and the like of a blast furnace, bears high temperature, also bears the abrasion of furnace burden, the erosion of slag and the scouring of coal gas flow, and has the comprehensive properties of good heat strength, heat shock resistance, rapid cooling and heating resistance and the like. The cooling wall can effectively prevent the furnace shell from being heated and burned, the blast furnace lining bricks are mainly protected by the slag crust after being ablated, and the safe production of the blast furnace is maintained.
At present, according to national regulations and construction procedures, the pressure detection is required to be carried out on the cooling wall before the cooling wall is installed, and the traditional pressure method comprises the following steps: when the cooling wall leaves a factory, the pipe orifice of the cooling wall has two types according to the connection form with the pipeline: the large blast furnace (more than 1200 stands) is welded, the orifice of the cooling wall is a flat orifice, and is fixed by a rubber tube and a snap ring during pressurizing, because the rubber tube feeding and the snap ring screwing are labor-consuming, one ring is used more next time, the small blast furnace (less than 1200 stands) is generally connected by bolts for convenient installation, the orifice of the cooling wall is a thread, and is connected by a movable joint during pressurizing, because the movable joint must be aligned and wound with hemp threads to prevent water leakage, so much time is spent, and the operation personnel are not convenient to pressurize and detect the cooling wall.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the traditional pressing method comprises the following steps: when the cooling wall leaves a factory, the pipe orifice of the cooling wall has two types according to the connection form with the pipeline: a large blast furnace (more than 1200 vertical) is welded, the orifice of a cooling wall is a flat orifice, and is fixed by a rubber tube and a snap ring during pressurizing, because the rubber tube feeding and the snap ring screwing are labor-consuming, one ring is used more next time, a small blast furnace (less than 1200 vertical) is generally connected by bolts for convenient installation, the orifice of the cooling wall is a thread, and is connected by a movable joint during pressurizing, because the movable joint connection needs to be aligned and twined with hemp threads to avoid water leakage, so that much time is consumed, and further, the pressurizing detection of the cooling wall by operators is not convenient, and the tandem pressurizing device for the cooling wall of the blast furnace and the construction method are provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a blast furnace stave series connection is suppressed device, includes the stave body, the last fixed surface intercommunication of stave body has the water-cooled tube, and the right side the fixed intercommunication of inner wall of water-cooled tube has the connecting pipe, the fixed intercommunication in right side of connecting pipe has the pump of suppressing, and the left side the fixed intercommunication of inner wall of water-cooled tube has the three-way pipe, the top fixedly connected with manometer of three-way pipe, the fixed intercommunication in left side of three-way pipe has discharge valve.
The water-cooled tube structure is characterized in that a high-pressure rubber tube is arranged inside the water-cooled tube, a hollow full-thread bolt is fixedly connected to the surface of the high-pressure rubber tube, a nut is connected to the surface of the hollow full-thread bolt in a threaded mode, a first gasket is slidably connected to the surface of the hollow full-thread bolt, the upper surface of the first gasket is in contact with the bottom of the nut, a second gasket is fixedly connected to the surface of the hollow full-thread bolt and located below the first gasket, a hollow rubber cylinder is fixedly connected to the surface of the second gasket and the surface of the first gasket, and the surface of the hollow rubber cylinder is in contact with the inner wall of the water-cooled tube.
Preferably, first spacing grooves are formed in the surface of the first gasket and the surface of the second gasket, second spacing grooves are formed in the upper side and the lower side of the hollow rubber cylinder, and limiting blocks are fixedly connected to the inner wall of the first spacing groove and the inner wall of the second spacing groove.
Preferably, first through-hole has all been seted up to the left and right sides of hollow full silk bolt, the spacing post of inner wall fixedly connected with of first through-hole, the upper surface of spacing post and the bottom contact of high-pressure rubber pipe, the first fender ring of fixed surface of hollow full silk bolt is connected with, the upper surface of first fender ring and the bottom contact of second gasket, the second through-hole has all been seted up to the left and right sides of first fender ring, the inner wall of second through-hole and the fixed surface of spacing post are connected.
Preferably, the surface of the hollow full-thread bolt is fixedly connected with a second retaining ring, and the second retaining ring is located above the nut.
Preferably, the surface of the second baffle ring is connected with a dustproof sleeve in a sliding mode, the bottom of the dustproof sleeve is fixedly connected with the upper surface of the nut, the surface of the dustproof sleeve is provided with an air hole, and the surface of the dustproof sleeve is fixedly connected with a dustproof net.
Preferably, the centers of the first gasket and the second gasket are on the same vertical line, and the diameters of the first gasket and the second gasket are equal.
Preferably, the surface of the hollow rubber cylinder is bonded with a binding ring, the inner wall of the binding ring is provided with a third through hole, and the inner wall of the third through hole is fixedly connected with the surface of the limiting block.
Preferably, the surface diameter of the binding ring is smaller than the diameter of the inner wall of the water cooling pipe.
The utility model has the advantages and positive effects that: due to the adoption of the technical scheme
The utility model discloses a high-pressure rubber tube, hollow full-thread bolt, the nut, first gasket, second gasket and hollow rubber cylinder, when sealed water-cooling pipe, insert hollow rubber cylinder to the water-cooling pipe in, then rotate the nut, press first gasket through the nut, make the distance reduce between first gasket and the second gasket, at this moment, hollow rubber cylinder receives the extrusion and takes place the inflation, and with water-cooling pipe in close contact with, and then seal the water-cooling pipe through hollow rubber cylinder, and communicate adjacent water-cooling pipe together through the high-pressure rubber tube, convenient to use person beats the pressure and detects blast furnace stave.
The utility model discloses a set up first spacing groove, second spacing groove and stopper, the stopper plays limiting displacement to hollow rubber cylinder, prevent that hollow rubber cylinder from being extruded the back, under the effect of hollow rubber cylinder restoring force, lead to the junction to take place the fracture between hollow rubber cylinder and first gasket or the second gasket, and then lead to hollow rubber cylinder to reduce the sealed effect of water-cooled tube, and simultaneously, through setting up the constraint ring, the constraint ring plays limiting displacement to hollow rubber cylinder, prevent that the junction from taking place the fracture between hollow rubber cylinder and the spacing post.
The utility model discloses a set up spacing post and first fender ring, first fender ring plays limiting displacement to the second gasket, simultaneously, spacing post plays limiting displacement to first fender ring, makes first fender ring unable and the separation of hollow full-thread bolt, and then prevents that hollow rubber cylinder from being extruded the back, under the effect of hollow rubber cylinder restoring force, leads to the junction fracture between second gasket and the hollow full-thread bolt, makes the sealed effect of hollow rubber cylinder to the water-cooled tube reduce.
The utility model discloses a set up the second and keep off the ring, the second keeps off the ring and plays limiting displacement to the nut, makes the nut unable and the separation of hollow full silk bolt, simultaneously, through setting up dustproof sleeve, gas pocket and dust screen, the dust screen plays the effect of blockking to the dust in the air, prevents when rotating the nut, if adsorb on the hollow full silk bolt has more dust, leads to the nut to be blocked by the dust easily.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the point B in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the point C of FIG. 2 according to the present invention;
FIG. 5 is a top view of the hollow rubber cylinder of the present invention;
fig. 6 is a side view of the dust sleeve of the present invention;
fig. 7 is a front view of the dust screen of the present invention.
In the figure: 1. a stave body; 2. a water-cooled tube; 3. a connecting pipe; 4. a pressurizing pump; 5. a three-way pipe; 6. A pressure gauge; 7. an exhaust valve; 8. a high-pressure rubber hose; 9. a hollow full-thread bolt; 10. a nut; 11. a first gasket; 12. a second gasket; 13. a hollow rubber cylinder; 14. a first limit groove; 15. a second limit groove; 16. a limiting block; 17. a first through hole; 18. a limiting column; 19. a first retainer ring; 20. a second through hole; 21. a second retainer ring; 22. a dust-proof sleeve; 23. air holes; 24. a dust screen; 25. a binding ring; 26. a third via.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-7, a blast furnace stave tandem pressure device, including stave body 1, the fixed intercommunication of upper surface of stave body 1 has water-cooled tube 2, the fixed intercommunication of inner wall of right side water-cooled tube 2 has connecting pipe 3, the fixed intercommunication in right side of connecting pipe 3 has pump 4, the fixed intercommunication of inner wall of left side water-cooled tube 2 has three-way pipe 5, the top fixedly connected with manometer 6 of three-way pipe 5, the induction end of manometer 6 is located inside three-way pipe 5, the fixed intercommunication in left side of three-way pipe 5 has discharge valve 7.
A high-pressure rubber pipe 8 is arranged inside each adjacent water-cooled pipe 2, a hollow full-thread bolt 9 is fixedly connected to the surface of each high-pressure rubber pipe 8, a nut 10 is connected to the surface of each hollow full-thread bolt 9 in a threaded manner, a first gasket 11 is slidably connected to the surface of each hollow full-thread bolt 9, the upper surface of each first gasket 11 is in contact with the bottom of each nut 10, a second gasket 12 is fixedly connected to the surface of each hollow full-thread bolt 9, and each nut 10 plays a role in limiting the first gasket 11, and further, the distance between the first gasket 11 and the second gasket 12 is adjusted through the nut 10, the centers of the first gasket 11 and the second gasket 12 are on the same vertical line, and the diameters of the first gasket 11 and the second gasket 12 are equal, the second gasket 12 is positioned below the first gasket 11, the surface of the second gasket 12 and the surface of the first gasket 11 are fixedly connected with a hollow rubber cylinder 13, and the surface of the hollow rubber cylinder 13 is contacted with the inner wall of the water-cooling pipe 2.
First through-hole 17 has all been seted up to the left and right sides of hollow full-thread bolt 9, the spacing post 18 of inner wall fixedly connected with of first through-hole 17, the upper surface of spacing post 18 and the bottom contact of high-pressure rubber pipe 8, the first fender ring 19 of fixed surface of hollow full-thread bolt 9, the upper surface of first fender ring 19 and the bottom contact of second gasket 12, second through-hole 20 has all been seted up to the left and right sides of first fender ring 19, the inner wall of second through-hole 20 and the fixed surface of spacing post 18 are connected.
Hollow full-thread bolt 9's fixed surface is connected with the second and keeps off ring 21, the second keeps off ring 21 and is located the top of nut 10, the second keeps off ring 21 and plays limiting displacement to nut 10, make nut 10 unable and the separation of hollow full-thread bolt 9, the sliding surface of second fender ring 21 is connected with dustproof sleeve 22, dustproof sleeve 22's bottom and nut 10's last fixed surface are connected, air hole 23 has been seted up on dustproof sleeve 22's surface, the inside and outside air of dustproof sleeve 22 passes through air hole 23 circulation, dustproof sleeve 22's fixed surface is connected with dust screen 24, dust screen 24 plays the barrier effect to the dust in the air, prevent when rotating nut 10, if adsorb on the hollow full-thread bolt 9 has more dust, lead to nut 10 easily and blocked by the dust.
A construction method of a blast furnace cooling wall series connection pressing device comprises the following steps:
s1, filling water: in order to make it easy to accumulate gas inside the stave body 1 by filling the stave body 1 with water for a long time by the high-pressure pump, the water-cooling pipe 2 is first connected to clean tap water to be filled with water.
S2, connection pipe 3: after the completion of watering, insert hollow rubber cylinder 13 in water-cooled tube 2, swivel nut 10, at this moment, press first gasket 11 through nut 10, make the distance between first gasket 11 and the second gasket 12 reduce, and then make hollow rubber cylinder 13 receive the extrusion and take place the inflation, with water-cooled tube 2 in close contact with, thereby reach sealed effect, and link together adjacent water-cooled tube 2 through high-pressure rubber pipe 8, then will beat pressure pump 4 and communicate through connecting pipe 3 and water-cooled tube 2 on the rightmost side.
S3, starting a pump: after the pipeline connection is correct, the pressurizing pump 4 is started, and at the moment, the pressure intensity in the cooling wall body 1 and the water cooling pipe 2 is increased through the pressurizing pump 4.
S4, pressurizing: when the pressure is increased to 10% of the test pressure, if no abnormal state or leakage is found, the pressure is continuously increased step by step according to 20% of the test pressure, each step is stabilized for 1 minute until the test pressure is 1.6MPa, the overall condition of the cooling system is observed, and when the gauge pressure of the pressure gauge 6 reaches 1.6MPa, the pressure is immediately stopped being increased.
S5, system checking: and observing the overall condition of the cooling system, and checking whether water leaks from the positions of a valve, a water cooling pipe 2, a pressure gauge 6, a cooling wall body 1 and the like in the cooling system.
S6, pressure maintaining inspection: after the cooling system was determined to be normal, a 20 minute dwell check of the cooling system was performed under the witness of the owner and proctor. During the pressure maintaining period, knocking with 7.5 kg of mallets, recording the pressure value of the pressure gauge 6 every 5 minutes, reducing the pressure of the cooling system within 20 minutes by not more than 3%, avoiding any water leakage and sweating phenomena, and determining that the pressure is qualified
S7, water discharge: after the pressure is qualified, the cooling wall body 1 filled with water must be unloaded, the water is ensured to be completely discharged, and meanwhile, the waste water must be intensively discharged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. A blast furnace cooling wall series connection pressurizing device comprises a cooling wall body (1), and is characterized in that a water cooling pipe (2) is fixedly communicated with the upper surface of the cooling wall body (1), a connecting pipe (3) is fixedly communicated with the inner wall of the water cooling pipe (2) on the right side, a pressurizing pump (4) is fixedly communicated with the right side of the connecting pipe (3), a three-way pipe (5) is fixedly communicated with the inner wall of the water cooling pipe (2) on the left side, a pressure gauge (6) is fixedly connected to the top of the three-way pipe (5), and an exhaust valve (7) is fixedly communicated with the left side of the three-way pipe (5);
the water-cooled generator is characterized in that a high-pressure rubber pipe (8) is arranged inside the water-cooled pipe (2), a hollow full-thread bolt (9) is fixedly connected to the surface of the high-pressure rubber pipe (8), a nut (10) is connected to the surface of the hollow full-thread bolt (9), a first gasket (11) is connected to the surface of the hollow full-thread bolt (9) in a sliding mode, the upper surface of the first gasket (11) is in contact with the bottom of the nut (10), a second gasket (12) is fixedly connected to the surface of the hollow full-thread bolt (9), the second gasket (12) is located below the first gasket (11), a hollow rubber cylinder (13) is fixedly connected to the surface of the second gasket (12) and the surface of the first gasket (11), and the surface of the hollow rubber cylinder (13) is in contact with the inner wall of the water-cooled pipe (2).
2. The blast furnace cooling wall series connection pressing device according to claim 1, wherein a first limiting groove (14) is formed in the surface of the first gasket (11) and the surface of the second gasket (12), second limiting grooves (15) are formed in the upper side and the lower side of the hollow rubber cylinder (13), and limiting blocks (16) are fixedly connected to the inner wall of the first limiting groove (14) and the inner wall of the second limiting groove (15).
3. The blast furnace cooling wall series connection pressing device according to claim 1, wherein first through holes (17) are formed in the left side and the right side of the hollow all-wire bolt (9), a limiting column (18) is fixedly connected to the inner wall of each first through hole (17), the upper surface of each limiting column (18) is in contact with the bottom of the high-pressure rubber pipe (8), a first baffle ring (19) is fixedly connected to the surface of the hollow all-wire bolt (9), the upper surface of each first baffle ring (19) is in contact with the bottom of the corresponding second gasket (12), second through holes (20) are formed in the left side and the right side of each first baffle ring (19), and the inner wall of each second through hole (20) is fixedly connected with the surface of the corresponding limiting column (18).
4. The blast furnace stave tandem pressing device according to claim 1, characterized in that a second retainer ring (21) is fixedly attached to a surface of said hollow all-wire bolt (9), said second retainer ring (21) being located above said nut (10).
5. The blast furnace cooling wall series connection pressurizing device according to claim 4, wherein a dust-proof sleeve (22) is connected to the surface of the second baffle ring (21) in a sliding manner, the bottom of the dust-proof sleeve (22) is fixedly connected with the upper surface of the nut (10), an air hole (23) is formed in the surface of the dust-proof sleeve (22), and a dust-proof net (24) is fixedly connected to the surface of the dust-proof sleeve (22).
6. The tandem pressing device for the cooling wall of the blast furnace as claimed in claim 1, wherein the centers of the first gasket (11) and the second gasket (12) are on the same vertical line, and the diameters of the first gasket (11) and the second gasket (12) are equal.
7. The tandem pressing device for the cooling wall of the blast furnace as claimed in claim 1, wherein a binding ring (25) is bonded on the surface of the hollow rubber cylinder (13), a third through hole (26) is formed in the inner wall of the binding ring (25), and the inner wall of the third through hole (26) is fixedly connected with the surface of the limiting block (16).
8. A blast furnace stave tandem pressing apparatus according to claim 7, characterized in that a surface diameter of said confinement ring (25) is smaller than an inner wall diameter of said water cooling pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193823.1U CN211848024U (en) | 2019-12-10 | 2019-12-10 | Blast furnace cooling wall series connection suppression device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193823.1U CN211848024U (en) | 2019-12-10 | 2019-12-10 | Blast furnace cooling wall series connection suppression device |
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| CN211848024U true CN211848024U (en) | 2020-11-03 |
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| CN201922193823.1U Active CN211848024U (en) | 2019-12-10 | 2019-12-10 | Blast furnace cooling wall series connection suppression device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835663A (en) * | 2019-12-10 | 2020-02-25 | 中冶天工集团天津有限公司 | Blast furnace cooling wall series connection pressing device and construction method |
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2019
- 2019-12-10 CN CN201922193823.1U patent/CN211848024U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835663A (en) * | 2019-12-10 | 2020-02-25 | 中冶天工集团天津有限公司 | Blast furnace cooling wall series connection pressing device and construction method |
| CN110835663B (en) * | 2019-12-10 | 2024-08-23 | 中冶天工集团天津有限公司 | Blast furnace cooling wall series connection pressurizing device and construction method |
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