CN217559335U - Pressure cladding expansion joint of blast furnace gas and hot air system - Google Patents
Pressure cladding expansion joint of blast furnace gas and hot air system Download PDFInfo
- Publication number
- CN217559335U CN217559335U CN202221210256.1U CN202221210256U CN217559335U CN 217559335 U CN217559335 U CN 217559335U CN 202221210256 U CN202221210256 U CN 202221210256U CN 217559335 U CN217559335 U CN 217559335U
- Authority
- CN
- China
- Prior art keywords
- spacing kelly
- expansion joint
- furnace gas
- blast furnace
- flange
- 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.)
- Active
Links
- 238000005253 cladding Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a blast furnace gas and hot air system pressure cladding expansion joint, which comprises a corrugated pipe main body, a flange joint and a limiting clamping rod, wherein two flange joints are arranged and are respectively arranged at the upper end and the lower end of the corrugated pipe main body; spacing kelly, its setting is in the both sides of bellows main part, and the upper and lower both ends of spacing kelly all are connected with extending the cardboard, and the junction of spacing kelly and extending the cardboard is provided with fastening nut, and spacing kelly is provided with two, and is the run-in distribution between the spacing kelly. The utility model discloses a be provided with two flange joints, cooperate two spacing kelly structures, and then can carry out portable fast assembly to bellows subassembly fixed, can effectively ensure the steadiness of bellows joint, prevent that it from taking place the skew slope.
Description
Technical Field
The utility model relates to a bellows subassembly technical field specifically is blast furnace gas and hot air system pressure cladding expansion joint.
Background
An expansion joint refers to a flexible element that effectively functions to compensate for axial deformation. For example, the expansion joint welded on the shell of the fixed tube-plate heat exchanger has large axial flexibility and easy deformation, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell and avoiding causing strength damage, instability damage and tube pull-out damage. The expansion joint has many kinds, and the common structures include wave, ring plate welding, clamping shell type and the like, wherein the wave expansion joint is most widely applied, and the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions.
In the chinese granted patent document with publication number CN203248909U, it discloses an expansion joint for a hot pressure pipeline, which includes an inlet pipe joint and an outlet pipe joint, a circumferential stretch bend is welded between the inlet pipe joint and the outlet pipe joint, flanges are respectively welded at ends of the inlet pipe joint and the outlet pipe joint far away from the circumferential stretch bend, and portions of the circumferential stretch bend near the inlet pipe joint and the outlet pipe joint are deformation regions.
Above-mentioned prior art does not protect the installation stability of bellows, leads to the bellows subassembly to easily take place skew slope phenomenon, and firm effect is relatively poor, consequently needs to develop a neotype blast furnace gas and hot air system pressure cladding expansion joint and solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a blast furnace gas and hot air system pressure cladding expansion joint to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the blast furnace gas and hot air system pressure cladding expansion joint comprises a corrugated pipe main body, and also comprises two flange joints and a limiting clamping rod, wherein the two flange joints are respectively arranged at the upper end and the lower end of the corrugated pipe main body; spacing kelly, its setting is in the both sides of bellows main part, and the upper and lower both ends of spacing kelly all are connected with the extension cardboard, and spacing kelly is provided with fastening nut with the junction of extending the cardboard, and spacing kelly is provided with two, and is the run-in between the spacing kelly and distributes.
Preferably, a sealing collar is mounted inside the threaded pipe.
Preferably, the other end of the flange joint is provided with an elbow assembly, and the elbow assembly and the flange joint are of a detachable structure.
Preferably, both ends of the corrugated pipe main body are provided with corrugated sleeves, and internal threads are arranged inside the corrugated sleeves.
Preferably, the surface of the threaded pipe is tightly screwed and fixed with the corrugated sleeve through external threads.
Preferably, the surface of the extension clamping plate is provided with a limiting slotted hole, and the limiting slotted hole is correspondingly connected with the limiting clamping rod.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) The utility model discloses a be provided with two flange joints, cooperate two spacing kelly structures, and then can carry out portable fast assembly to the bellows subassembly and fix, can effectively ensure the steadiness of bellows connection, prevent that it from taking place the skew phenomenon of inclining;
(2) The one end that the flange connects is provided with the screwed pipe, and the screwed pipe closely connects soon fixedly through screw thread and bellows main part, connects the mode soon through adopting the screw thread to connect fixedly to bellows main part both ends, possesses to connect closely stably, and the convenient advantage of assembly and disassembly has sealed rand at the internally mounted of screwed pipe simultaneously, plays further sealed guard action, prevents that the junction from taking place the gas leakage phenomenon.
Drawings
FIG. 1 is an overall front view of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of the exploded structure of the present invention.
In the figure: 1. a tube bending assembly; 2. a flange joint; 3. extending the clamping plate; 4. a threaded pipe; 5. a corrugated sleeve; 6. a bellows body; 7. fastening a nut; 8. a limiting clamping rod; 9. limiting slotted holes; 10. an external thread; 11. a sealing collar; 12. an internal thread.
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.
Referring to fig. 1-3, the present invention provides an embodiment: the blast furnace gas and hot air system pressure cladding expansion joint comprises a corrugated pipe main body 6, a flange joint 2 and a limiting clamping rod 8,
the corrugated pipe comprises a corrugated pipe main body 6, two flange joints 2, two extension clamping plates 3, a threaded pipe 4 and a corrugated pipe main body 6, wherein the two flange joints 2 are respectively arranged at the upper end and the lower end of the corrugated pipe main body 6;
Further, a sealing collar 11 is installed inside the threaded pipe 4.
Furthermore, the other end of the flange joint 2 is provided with a bent pipe component 1, and a detachable structure is arranged between the bent pipe component 1 and the flange joint 2.
Further, both ends of the corrugated pipe main body 6 are provided with corrugated sleeves 5, and internal threads 12 are arranged inside the corrugated sleeves 5.
Further, the surface of the threaded pipe 4 is tightly screwed and fixed with the corrugated sleeve 5 through the external thread 10.
Furthermore, the surface of the extension clamping plate 3 is provided with a limit slot hole 9, and the limit slot hole 9 is correspondingly connected with the limit clamping rod 8.
The working principle is as follows: during the use, the both ends that the flange connects 2 are provided with extension cardboard 3, it connects 2 formula structure as an organic whole with the flange to extend cardboard 3, the one end that the flange connects 2 is provided with screwed pipe 4, screwed pipe 4 closely connects fixedly through screw thread and bellows main part 6 soon, connect the mode to connect 6 both ends of bellows main part soon through adopting the screw thread, it is closely stable to possess to connect, the convenient advantage of assembly and disassembly, the internally mounted of screwed pipe 4 has sealed rand 11, play further sealed guard action, prevent that the junction from taking place the gas leakage phenomenon, the upper and lower both ends of spacing kelly 8 all are connected with extension cardboard 3, and spacing kelly 8 is provided with fastening nut 7 with the junction of extending cardboard 3, connect 2 through being provided with two flanges, cooperate two spacing kelly 8 structures, and then can carry out portable fast assembly to the bellows subassembly and fix, can effectively ensure the steadiness of bellows connection, prevent it from taking place the skew slope phenomenon.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The pressure cladding expansion joint of the blast furnace gas and hot air system comprises a corrugated pipe main body (6) and is characterized by also comprising a flange joint (2) and a limiting clamping rod (8),
the corrugated pipe comprises a corrugated pipe main body (6), and is characterized in that two flange joints (2) are arranged, the two flange joints (2) are respectively arranged at the upper end and the lower end of the corrugated pipe main body (6), extension clamping plates (3) are arranged at the two ends of the flange joints (2), the extension clamping plates (3) and the flange joints (2) are of an integrated structure, a threaded pipe (4) is arranged at one end of the flange joints (2), and the threaded pipe (4) is tightly screwed and fixed with the corrugated pipe main body (6) through threads;
spacing kelly (8), its setting is in the both sides of bellows main part (6), and the upper and lower both ends of spacing kelly (8) all are connected with extension cardboard (3), and spacing kelly (8) are provided with fastening nut (7) with the junction that extends cardboard (3), and spacing kelly (8) are provided with two, and are parallel distribution between spacing kelly (8).
2. The blast furnace gas and hot blast system pressure clad expansion joint of claim 1, wherein: and a sealing collar (11) is arranged in the threaded pipe (4).
3. The blast furnace gas and hot blast system pressure clad expansion joint of claim 1, wherein: bent pipe subassembly (1) is installed to the other end of flange joint (2), is detachable structure between bent pipe subassembly (1) and flange joint (2).
4. The blast furnace gas and hot blast system pressure clad expansion joint of claim 1, wherein: both ends of the corrugated pipe main body (6) are provided with corrugated sleeves (5), and internal threads (12) are arranged inside the corrugated sleeves (5).
5. The blast furnace gas and hot blast system pressure clad expansion joint of claim 1, wherein: the surface of the threaded pipe (4) is tightly screwed and fixed with the corrugated sleeve (5) through an external thread (10).
6. The blast furnace gas and hot blast system pressure clad expansion joint of claim 1, wherein: the surface of the extension clamping plate (3) is provided with a limiting slotted hole (9), and the limiting slotted hole (9) is correspondingly connected with the limiting clamping rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210256.1U CN217559335U (en) | 2022-05-18 | 2022-05-18 | Pressure cladding expansion joint of blast furnace gas and hot air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221210256.1U CN217559335U (en) | 2022-05-18 | 2022-05-18 | Pressure cladding expansion joint of blast furnace gas and hot air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559335U true CN217559335U (en) | 2022-10-11 |
Family
ID=83498569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221210256.1U Active CN217559335U (en) | 2022-05-18 | 2022-05-18 | Pressure cladding expansion joint of blast furnace gas and hot air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559335U (en) |
-
2022
- 2022-05-18 CN CN202221210256.1U patent/CN217559335U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211501978U (en) | B2F double-flange limit compensation expansion joint | |
| CN217559335U (en) | Pressure cladding expansion joint of blast furnace gas and hot air system | |
| CN220551633U (en) | High low temperature resistant connecting piece of strenghthened type | |
| CN218794439U (en) | A heat exchange tube structure for a water purifier | |
| CN213809447U (en) | Pipeline compensator | |
| CN216555923U (en) | High-temperature and high-pressure combined expansion joint for steam pipeline | |
| CN214535067U (en) | Cold-proof thermal insulation vibration-damping non-metal expansion joint | |
| CN205371923U (en) | Metallic bellow expansion joint | |
| CN211875398U (en) | Unconstrained expansion joint | |
| CN213512613U (en) | Inner flow guide sleeve of metal compensator | |
| CN211600694U (en) | Protection device capable of prolonging service life of radiant tube | |
| CN210687301U (en) | Double-wall pipe with free expansion joint | |
| CN220870356U (en) | High leakproofness air pipe | |
| CN210664100U (en) | Inlet end structure of floating head heat exchanger | |
| CN217422588U (en) | Stainless steel flange compensator | |
| CN108488529A (en) | A kind of corrugated expansion joint of efficient vibration damping | |
| CN222798450U (en) | A telescopic casing expansion joint based on biomass boiler ash cooler | |
| CN218409005U (en) | A sleeve type temperature compensator for seamless steel pipe | |
| CN105299374A (en) | Novel expansion joint | |
| CN211693984U (en) | Reinforced expansion joint for boiler channel | |
| CN221800979U (en) | Special compensator for reducing pipeline | |
| CN206246908U (en) | A kind of double-ply bellows compensator | |
| CN223537201U (en) | Elliptical racetrack expansion joint | |
| CN220134943U (en) | Thin-wall stainless steel pipe ripple compensator fixing structure | |
| CN212718636U (en) | Universal internal pressure type expansion joint convenient to install |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |