CN208178104U - The upper header device of nozzle can be replaced online - Google Patents
The upper header device of nozzle can be replaced online Download PDFInfo
- Publication number
- CN208178104U CN208178104U CN201820564711.5U CN201820564711U CN208178104U CN 208178104 U CN208178104 U CN 208178104U CN 201820564711 U CN201820564711 U CN 201820564711U CN 208178104 U CN208178104 U CN 208178104U
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- nozzle
- pipeline section
- rotation
- upper header
- rotation pipeline
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Abstract
The utility model relates to hot continuous rolling technical fields, provide a kind of upper header device that can replace nozzle online, including upper header and nozzle；The upper header includes sequentially connected fixed pipeline section, rotary joint and rotation pipeline section；One end of rotation pipeline section is sealedly connected with closeouts；The nozzle is mounted on rotation pipeline section and the import of nozzle is connected to rotation inner tube segment.The upper header device described in the utility model that nozzle can be replaced online, structure is simple, easy to operate；In use, rotation rotation pipeline section, by nozzle rotation to the top of rotation pipeline section, maintenance personal can carry out on-line maintenance and replacement to nozzle, nozzle could be replaced by solving the problems, such as in the prior art to remove upper header, while alleviate labor intensity, save maintenance cost.
Description
Technical field
The utility model relates to hot continuous rolling technical field, in particular to a kind of upper header device that can replace nozzle online.
Background technique
In hot-strip production process, the raw iron scale of the furnace of billet surface is the main original for influencing surface quality of steel
One of because, due to the presence of iron scale, steel surface can be made to generate the multiple products defects such as pit, point, iron oxide indentation.
The process of removal iron oxide on surface of billet steel skin is known as de-scaling, has used a variety of descaling methods both at home and abroad at present, wherein using most
Wide is high-pressure water descaling technology, specifically, when the hot rolling steel billet of de-scaling when by de-scaling position, the height of high pressure pumping station generation
Pressure water is transported to high pressure nozzle and forms high-speed jet, under the erosion and removing of water flow and the effect of thermal explosion effect, billet surface
Iron scale is split away off from its surface rapidly.
The equipment mainly used in high-pressure water descaling technology is De-scaling box, and upper header is arranged on De-scaling box, pacifies on upper header
Equipped with high pressure nozzle.High pressure nozzle will appear damage during use, and current replacement high pressure nozzle method is general to use
Upper header and high pressure nozzle entirety are removed from De-scaling box, then the high pressure nozzle of damage is replaced again.
Aforesaid way has the following disadvantages:
1, it needs multi agent cooperation to remove upper header from De-scaling box, also needs multi agent cooperation will after having replaced high pressure nozzle
Upper header is mounted on De-scaling box, the large labor intensity of worker, and maintenance time is long.
2, after high pressure nozzle repairs, after upper header is mounted on De-scaling box, it is necessary to upper header and De-scaling box
Link position is hunted leak, and maintenance cost is increased.
Utility model content
The technical problem to be solved by the utility model is to provide the upper header device that one kind can replace nozzle online, solutions
It has determined the technical issues of upper header must also being removed when replacing nozzle in the prior art.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the upper header dress of nozzle can be replaced online
It sets, including upper header and nozzle；The upper header includes sequentially connected fixed pipeline section, rotary joint and rotation pipeline section；Rotation
One end of pipeline section is sealedly connected with closeouts；The nozzle is mounted on rotation pipeline section and in the import of nozzle and rotation pipeline section
Portion's connection.
Further, Duct fixing clamp is provided on the rotation pipeline section；The Duct fixing clamp is by upper pipe clamp and lower tube clip group
At；The upper pipe clamp and lower tube clip will rotate pipeline section by detachable structure and clamp.
Further, the quantity of the Duct fixing clamp is two, and the nozzle is mounted on the rotation between two Duct fixing clamps
In tube section.
Further, the nozzle is removably mounted on rotation pipeline section.
Further, spanner is provided on the rotation pipeline section.
Further, the outer end of the rotation pipeline section is sealedly connected with closeouts.
Further, anti-rotation device is provided between the upper pipe clamp and rotation pipeline section.
Further, the anti-rotation device is antirotation keys；It is opposite with the Duct fixing clamp on the outer wall of the rotation pipeline section
The position answered is fixed with annular backing plate；It is respectively arranged with and prevents on the inner wall of the upper pipe clamp and on the outer wall of the annular backing plate
The compatible groove of turn key；The antirotation keys are mounted on simultaneously in two grooves.
The beneficial effects of the utility model are: the upper header device described in the utility model that nozzle can be replaced online, knot
Structure is simple, easy to operate；In use, rotation rotation pipeline section, by nozzle rotation to the top of rotation pipeline section, maintenance personal can be right
Nozzle carries out on-line maintenance and replacement, and solving in the prior art must remove upper header asking of could replacing to nozzle
Topic, while labor intensity is alleviated, save maintenance cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Appended drawing reference in figure are as follows: 1- upper header, 2- nozzle, 3- Duct fixing clamp, 4- spanner, 5- closeouts, 6- antirotation keys, 7-
Annular backing plate, 8- De-scaling box, 9- slab, the fixed pipeline section of 11-, 12- rotary joint, 13- rotate pipeline section, the upper pipe clamp of 31-, under 32-
Pipe clamp.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples:
As shown in Figure 1, the upper header device described in the utility model that nozzle can be replaced online, including upper header 1 and spray
Mouth 2；The upper header 1 includes sequentially connected fixed pipeline section 11, rotary joint 12 and rotation pipeline section 13；Rotate the one of pipeline section 13
End is sealedly connected with closeouts 5；The nozzle 2 is mounted on rotation pipeline section 13 and inside the import of nozzle 2 and rotation pipeline section 13
Connection.
Can replace online in the utility model refers to: it does not need to remove upper header 1 from installation site, it can be to spray
Mouth 2 is replaced.The rotary joint 12 includes relatively turnable two parts, is tightly connected between this two parts, rotation connects
Liquid can be transported to the other end from one end by first 12.The fixed pipeline section 11, rotary joint 12 and rotation pipeline section 13 successively connect
Connect and refer to: the outlet end of the fixed pipeline section 11 and the input end of rotary joint 12 are welded and fixed；The rotary joint 12
Outlet end and the input end of the rotation pipeline section 13 are welded and fixed.The fixed pipeline section 11, rotary joint 12 and rotation pipeline section 13
Between can also be fixedly connected by detachable structure, such as flange connection, screw connection structure etc..The closeouts 5
It can be the steel plate adaptable with rotation 13 internal diameter of pipeline section, steel plate and rotation 13 sealing welding of pipeline section；The closeouts 5 can be with
It is that there is externally threaded plug, the end of rotation pipeline section 13 has internal screw thread, and plug is sealedly connected on rotation by helicitic texture
The end of pipeline section 13.
In use, the input end of fixed pipeline section 11 is connect by rigid structure with the water outlet of De-scaling box 8；At this point, should
Rigid structure can be flange arrangement, i.e., the input end welded flange of fixed pipeline section 11, the water outlet welded flange of De-scaling box 8,
Two flange seals are fixed together by fastener.The rigid structure plays a supportive role, and rotation pipeline section 13 is supported on plate
The top of base 9.
The upper header device described in the utility model that nozzle can be replaced online, structure is simple, easy to operate；When will be to spray
When mouth 2 is replaced, rotation pipeline section 13 need to be only rotated, nozzle 2 is turned to the top of rotation pipeline section 13, staff can be right
Nozzle 2 is replaced online, not only alleviates labor intensity, but also saved maintenance cost.
When rotate pipeline section 13 length is longer, heavier-weight when, if also to fix pipeline section 11 for supporting point, to fixation
The pipeline of pipeline section 11 can generate biggish additional load, reduce the service life of fixed 11 pipeline of pipeline section.Preferably, institute
It states and is provided with Duct fixing clamp 3 on rotation pipeline section 13；The Duct fixing clamp 3 is made of upper pipe clamp 31 and lower tube clip 32；The upper tube
Folder 31 and lower tube clip 32 are clamped by detachable structure by pipeline section 13 is rotated.The detachable structure can be pipe collar, can also be with
It is bolt arrangement.
To increase the fixed stability of rotation pipeline section 13, the quantity of the Duct fixing clamp 3 is two, and the nozzle 2 is installed
On rotation pipeline section 13 between two Duct fixing clamps 3.
In order to facilitate replacement nozzle 2, the nozzle 2 is removably mounted on rotation pipeline section 13.It is arranged on the nozzle 2
There is external screw thread, threaded hole can be set on the rotation pipeline section 13, nozzle 2 puts together on rotation pipeline section 13 by helicitic texture
On threaded hole；It can also be welded with tube socket on the rotation pipeline section 13, the interior spiral shell being connected to rotation pipeline section 13 is provided on tube socket
Pit；Nozzle 2 is put together on tube socket by helicitic texture.
Further, it is provided with spanner 4 on the rotation pipeline section 13, worker is facilitated to rotate rotation pipeline section 13.
During use, due to vibration, current scour etc., pipe clamp 31 and lower tube clip 32 is will cause and will not
It rotates pipeline section 13 to clamp, and then rotation pipeline section 13 is made to rotate, the operating position of nozzle 2 is caused to change；As preferred
Scheme is provided with anti-rotation device between the upper pipe clamp 31 and rotation pipeline section 13, by the way that anti-rotation device is arranged, is avoided that rotation pipe
Section 13 rotates at work.
The anti-rotation device, which can be, to be arranged in upper pipe clamp 31 and rotates the antirotation keys 6 between pipeline section 13, and this structure needs
Groove is opened up on rotation pipeline section 13, can thus reduce the wall thickness of rotation pipeline section 13, reduce its service life；The anti-rotation
Device can also be the snap close piece being arranged between upper pipe clamp 31 and rotation pipeline section 13；Preferably, the anti-rotation device
For antirotation keys 6；Position corresponding with the Duct fixing clamp 3 is fixed with annular backing plate 7 on the outer wall of the rotation pipeline section 13；Institute
State on the inner wall of pipe clamp 31 and be respectively arranged on the outer wall of the annular backing plate 7 groove compatible with antirotation keys 6；It is described
Antirotation keys 6 are mounted on simultaneously in two grooves.Further, the antirotation keys 6 can also be integrally formed with upper pipe clamp 31.
Embodiment:
As shown in Figure 1, fixed pipeline section 11, rotary joint 12 and rotation pipeline section 13 to be successively welded and fixed together and to be formed
Collector 1 puts together on nozzle 2 on rotation pipeline section 13 by screw thread；Two lower tube clips 32 are put together on into de-scaling by bolt respectively
On case 8, rotation pipeline section 13 is placed on two lower tube clips 32；Rotation rotation pipeline section 13, adjusts the water spraying direction of nozzle 2；It will prevent
Turn key 6 is placed in the groove of annular backing plate 7, and the groove of upper pipe clamp 31 is corresponding with antirotation keys 6, by conjunction bolt by upper tube
Folder 31 is connect with lower tube clip 32, and rotation pipeline section 13 is clamped.The input end of fixed pipeline section 11 is connect with water inlet pipe, in use, beating
It drives water pipe into, can be sprayed water by nozzle 2 to 9 surface of slab, carry out de-scaling operation.When needing to replace nozzle 2, close
Close water inlet pipe, in release pipe clamp 31 and lower tube clip 32 conjunction bolt, take out antirotation keys 6, rotating spanner 4, and then drive rotation
Pipeline section 13 rotates, and nozzle 2 is rotated to replacement position, carries out artificial quick-replaceable.
Claims (7)
1. the upper header device of nozzle can be replaced online, including upper header (1) and nozzle (2)；It is characterized by: the upper header
It (1) include sequentially connected fixed pipeline section (11), rotary joint (12) and rotation pipeline section (13)；The one end for rotating pipeline section (13) is close
Envelope is connected with closeouts (5)；The nozzle (2) be mounted on rotation pipeline section (13) on and nozzle (2) import and rotation pipeline section
(13) internal connection.
2. the upper header device according to claim 1 that nozzle can be replaced online, it is characterised in that: the rotation pipeline section
(13) Duct fixing clamp (3) are provided on；The Duct fixing clamp (3) is made of upper pipe clamp (31) and lower tube clip (32)；The upper tube
Pipeline section (13) clamping will be rotated by detachable structure by pressing from both sides (31) and lower tube clip (32).
3. the upper header device according to claim 2 that nozzle can be replaced online, it is characterised in that: the Duct fixing clamp
(3) quantity is two, and the nozzle (2) is mounted on the rotation pipeline section (13) between two Duct fixing clamps (3).
4. the upper header device according to claim 1,2 or 3 that nozzle can be replaced online, it is characterised in that: the nozzle
(2) it is removably mounted in rotation pipeline section (13).
5. the upper header device according to claim 1,2 or 3 that nozzle can be replaced online, it is characterised in that: the rotation
Spanner (4) are provided on pipeline section (13).
6. the upper header device according to claim 2 that nozzle can be replaced online, it is characterised in that: the upper pipe clamp (31)
Anti-rotation device is provided between rotation pipeline section (13).
7. the upper header device according to claim 6 that nozzle can be replaced online, it is characterised in that: the anti-rotation device is
Antirotation keys (6)；Position corresponding with the Duct fixing clamp (3) is fixed with annular backing plate on the outer wall of rotation pipeline section (13)
(7)；It is respectively arranged on the inner wall of the upper pipe clamp (31) and on the outer wall of the annular backing plate (7) and is mutually fitted with antirotation keys (6)
The groove matched；The antirotation keys (6) are mounted in two grooves simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564711.5U CN208178104U (en) | 2018-04-19 | 2018-04-19 | The upper header device of nozzle can be replaced online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564711.5U CN208178104U (en) | 2018-04-19 | 2018-04-19 | The upper header device of nozzle can be replaced online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208178104U true CN208178104U (en) | 2018-12-04 |
Family
ID=64433816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820564711.5U Active CN208178104U (en) | 2018-04-19 | 2018-04-19 | The upper header device of nozzle can be replaced online |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208178104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170510A (en) * | 2020-09-01 | 2021-01-05 | 山东钢铁集团日照有限公司 | High-pressure water descaling header nozzle angle calibration tool and calibration method |
-
2018
- 2018-04-19 CN CN201820564711.5U patent/CN208178104U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170510A (en) * | 2020-09-01 | 2021-01-05 | 山东钢铁集团日照有限公司 | High-pressure water descaling header nozzle angle calibration tool and calibration method |
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