CN216205632U - Device for cleaning heat exchanger of rolling mill - Google Patents
Device for cleaning heat exchanger of rolling mill Download PDFInfo
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- CN216205632U CN216205632U CN202122693236.6U CN202122693236U CN216205632U CN 216205632 U CN216205632 U CN 216205632U CN 202122693236 U CN202122693236 U CN 202122693236U CN 216205632 U CN216205632 U CN 216205632U
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- heat exchanger
- tool bit
- coil pipe
- main shaft
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Abstract
The utility model discloses a device for cleaning a heat exchanger of a rolling mill, and mainly relates to the field of hot-rolled coil production. Comprises a driving device and a cleaning component; the driving device comprises a motor, the output end of the motor is connected with a main shaft, and the main shaft is detachably connected with a cleaning assembly; the cleaning assembly comprises a connecting shaft and a cleaning cutter head; the cleaning tool bit is provided with a connecting groove, and the cleaning tool bit is connected with the connecting shaft through a connecting rod mechanism; the motor drives the main shaft to rotate, and the cutter head of the cleaning assembly rotates to cut a silting part of a heat exchanger pipeline. The utility model has the beneficial effects that: the cleaning device can be used for cleaning the coil pipe blocked inside the heat exchanger, and drilling through the accumulated scale on the inner wall of the heat exchanger coil pipe and the coil pipe blocked by the rusty slag, so that the problem that the cleaning and dredging of the inner wall of the coil pipe are not thorough when the traditional mode is drilled through is solved, the drilling through can be performed on the serious part blocked by the coil pipe, and the cleaning device can also be used for cleaning the inner wall of a pipeline.
Description
Technical Field
The utility model relates to the field of hot rolled coil production, in particular to a device for cleaning a heat exchanger of a rolling mill.
Background
The heat exchanger is used for cooling the hot-rolled coil in the hot-rolled coil production line, and after long-time operation, the inner surface and the outer surface of the heat exchanger are scaled and even blocked to different degrees due to medium corrosion, erosion, scale deposit, coking and the like in the heat exchanger. The rust slag on the inner wall of the equipment often falls off due to corrosion, even the hole is punched, and the fallen rust slag can block the coil pipe, so that the heat exchange effect is reduced; meanwhile, the service life of the equipment is greatly shortened due to the existence of corrosion. Therefore, the cleaning agent must be thoroughly cleaned during shutdown and maintenance, and common cleaning methods include air sweeping, water washing, steam sweeping, chemical cleaning, mechanical cleaning and the like. However, when the interior of the heat exchanger is seriously blocked, the heat exchanger needs to be soaked for a long time through chemical cleaning, so that the cleaning efficiency is low and the cleaning is not thorough; during mechanical cleaning, most of blocked parts are drilled through, but the conventional drilling-through method is incomplete in drilling and dredging of the inner wall of the heat exchanger, the drilling-through is carried out by observing the blocked position inside the coil pipe, and the device for cleaning the heat exchanger of the rolling mill is very troublesome and is not ideal in drilling-out effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for cleaning a heat exchanger of a rolling mill, which is used for cleaning a coil pipe blocked inside the heat exchanger and drilling through the coil pipe blocked by accumulated dirt and rusty slag on the inner wall of the coil pipe of the heat exchanger.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
an apparatus for cleaning a rolling mill heat exchanger includes a drive apparatus and a cleaning assembly; the driving device comprises a motor, the output end of the motor is connected with a main shaft, and the main shaft is detachably connected with a cleaning assembly; the cleaning assembly comprises a connecting shaft and a cleaning cutter head; the cleaning tool bit is provided with a connecting groove, and the cleaning tool bit is connected with the connecting shaft through a connecting rod mechanism;
the motor drives the main shaft to rotate, and the cutter head of the cleaning assembly rotates to cut a silting part of a heat exchanger pipeline.
The connecting shaft is provided with a groove, the connecting rod mechanism comprises a plurality of connecting rods, the bottom ends of the connecting rods are movably connected with the groove of the connecting shaft, and the top ends of the connecting rods are movably connected with the connecting groove of the cleaning tool bit.
The front end and the side wall of the cleaning tool bit are provided with scouring pads. Acting on the inner wall of the coil and the circumference of the silting place.
The outer side of the driving device is provided with a shell, the outer side of the shell is provided with a plurality of handles, and the top of the shell is provided with a speed reducer.
The connecting groove of the cleaning tool bit is provided with a sliding groove. The bolt at the inclined connecting rod can slide in the sliding groove, and the supporting amplitude of the inclined connecting rod is adjusted, so that the integral radius of the cleaning cutter head is adjusted.
Compared with the prior art, the utility model has the beneficial effects that:
can be used for wasing the coil pipe of heat exchanger inside jam, bore through the coil pipe of scaling and the rust slag jam of heat exchanger coil pipe inner wall, the device is higher to detaching coil pipe inner wall scaling efficiency, wash the not thorough condition of mediation to the coil pipe inner wall when having solved traditional mode and having bored through, can bore through to coil pipe jam serious department, can also wash the pipeline inner wall, can automatic stay when touchhing down and stopping up seriously bore through to stopping up the periphery, need not many times clearance after boring through, it is efficient to dredge. Different use effects are achieved by adjusting the angle of the inclined connecting rod.
Drawings
FIG. 1 is a view of the use of the apparatus of the present invention.
Fig. 2 is a view of the apparatus of the present invention.
Figure 3 is a view of a cleaning head of the device of the present invention.
Reference numerals shown in the drawings:
1. a housing; 2. a main shaft; 3. a connecting shaft; 4. cleaning the cutter head; 5. connecting grooves; 6. a pipeline; 7. a groove; 8. a vertical connecting rod; 9. a tilt link; 10. scouring pad; 11. a handle; 12. a speed reducer; 13. a bolt; 14. a sliding groove; 15. and locking the bolt.
Detailed Description
The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
General overview:
the device is mainly used for cleaning the coil pipe blocked inside the heat exchanger and drilling through the coil pipe blocked by the accumulated dirt and the rust slag on the inner wall of the coil pipe of the heat exchanger, has higher efficiency for removing the accumulated dirt on the inner wall of the coil pipe, solves the problem that the cleaning and the dredging of the inner wall of the coil pipe are not complete in the traditional drilling way, can drill through the seriously blocked part of the coil pipe, can clean the inner wall of a pipeline 6, can automatically prop open the periphery of the blockage to drill through when the blockage is serious, does not need to clean for multiple times after drilling through, and has high dredging efficiency. The above problems are accomplished by the following structure:
as shown in the attached figure 1 of the specification, the main structure comprises a driving device and a cleaning assembly; the driving device comprises a motor, and the motor is a stepping motor; the motor output end is connected and is equipped with main shaft 2, main shaft 2 can be dismantled to connect and be equipped with clean subassembly, main shaft 2 cooperatees with clean subassembly's connecting axle 3, through bayonet connection, is equipped with locking bolt 15 on main shaft 2, and locking bolt 15 locks between clean subassembly's connecting axle 3 and main shaft 2, and it is rotatory to drive main shaft 2 and the clean subassembly of being connected with main shaft 2 through step-by-step drive motor drive.
The outer side of the driving device is provided with a shell 1, the outer side of the shell 1 is provided with a plurality of handles 11, the shell is convenient to grasp in use, the top of the shell 1 is provided with a speed reducer 12, and the speed reducer 12 reduces the speed of the stepping motor. The speed reducer is generally used for low-speed and large-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer.
As shown in the attached figure 2 of the specification, the cleaning assembly comprises a connecting shaft 3 and a cleaning tool bit 4; the front end and the side wall of the cleaning tool bit 4 are provided with industrial scouring pads 10. The scouring pad 10 comprises industrial scouring pad 10, civil scouring pad 10, sand-containing scouring pad 10, sand-free scouring pad 10 and other products, and the products are widely used for decoration, metal polishing, daily washing, deburring, polishing, derusting and cleaning, and can thoroughly remove rust spots, dirt, oxide skin and other attachments on the surfaces of various materials. The method is widely applied to weld bead cleaning treatment, mechanical maintenance and cleaning. The cleaning tool bit 4 which drives the main shaft 2 and the cleaning component connected with the main shaft 2 through the driving of the stepping driving motor rotates, the top of the cleaning tool bit 4 is contacted with the deposition part of the coil pipe 6, and the industrial scouring pad 10 on the side wall of the cleaning tool bit 4 is contacted with the inner wall of the coil pipe 6, so that the deposition of the coil pipe 6 and the inner wall of the pipe 6 are cleaned.
As shown in the attached figure 3 of the specification, the concrete structure of the link mechanism is as follows:
the cleaning tool bit 4 is provided with a connecting groove 5, and the cleaning tool bit 4 is connected with the connecting shaft 3 through a connecting rod mechanism; connecting axle 3 is equipped with recess 7, link mechanism includes a plurality of connecting rods, the connecting rod is the connecting rod of a vertical connecting rod 8 and an slope, and is a plurality of the connecting rod bottom all passes through bolt 13 swing joint with recess 7 of connecting axle 3, a plurality of connecting rod tops pass through bolt 13 swing joint with clean tool bit 4's spread groove 5, clean tool bit 4's spread groove 5 is equipped with sliding tray 14, sliding tray 14 sets up the bolt 13 junction at slope connecting rod 9 for bolt 13 at slope connecting rod 9 department can slide in sliding tray 14, adjusts the support range of slope connecting rod 9, thereby adjusts the holistic radius of clean tool bit 4.
When the cleaning tool bit 4 touches the siltation part, the vertical connecting rod 8 is supported by the reaction force to be vertical to the connecting shaft 3, the angle of the inclined connecting rod 9 is limited to be expanded, so that the cleaning tool bit 4 can be automatically expanded without searching for serious point positions of siltation blockage one by one.
After the cleaning cutter head 4 touches the siltation part and is automatically opened through a link mechanism, the main shaft 2 is driven to rotate by the driving of the stepping motor, and the cutter head of the cleaning assembly rotates to cut the circumference of the siltation part of the heat exchanger pipeline 6 so that the siltation part integrally drops. When the inner wall of the pipeline 6 needs to be polished and desilted, the bolt 13 at the position of the inclined connecting rod 9 is adjusted to slide in the sliding groove 14, so that the angle of the inclined connecting rod 9 is adjusted, the whole radius of the cleaning tool bit 4 is changed, the outer diameter of the cleaning tool bit 4 is matched with the inner diameter of the pipeline 6, the main shaft 2 drives the cleaning tool bit 4 to rotate when the stepping motor is driven, and the scouring cloth 10 on the side wall of the cleaning tool bit 4 polishes and desilts the inner wall of the pipeline 6.
The using method is detailed as follows:
when the pipeline 6 is seriously blocked: inside going deep into the coil pipe with the device, touch the back that can't advance in the siltation department when cleaning tool bit 4, drive step motor, main shaft 2 drives the clean tool bit 4 rotation that struts, and the scouring pad 10 of clean tool bit 4 front end is dredged the siltation of the inside circumference of coil pipe for the siltation is whole to drop.
When the inner wall of the pipeline 6 needs to be cleaned: adjusting the bolt 13 of slope connecting rod 9 department and sliding position in sliding tray 14 to the angle of slope connecting rod 9 of adjustment changes the holistic radius of cleaning tool bit 4, makes the adaptation of cleaning tool bit 4 external diameter and 6 internal diameters of pipeline, with the device deep inside the coil pipe, main shaft 2 drives cleaning tool bit 4 rotatory when driving step motor, and the cleaning cloth 10 of cleaning tool bit 4 lateral wall is polished the clearance to 6 inner walls of pipeline.
To sum up, can be used for wasing the coil pipe of the inside jam of heat exchanger, drill through the coil pipe that the scaling of heat exchanger coil pipe inner wall and rust slag blockked up, the device is higher to detaching coil pipe inner wall scaling efficiency, solved the situation that cleans the not thorough mediation of coil pipe inner wall when traditional mode is drilled through, can drill through the serious department of coil pipe jam, can also wash 6 inner walls of pipeline, can automatic distraction when touchhing up and blockking up seriously drill through to blockking up the periphery, need not many times clearance after drilling through, it is efficient to dredge.
Claims (5)
1. An apparatus for cleaning a rolling mill heat exchanger, characterized by: comprises a driving device and a cleaning component; the driving device comprises a motor, the output end of the motor is connected with a main shaft (2), and the main shaft (2) is detachably connected with a cleaning assembly;
the cleaning assembly comprises a connecting shaft (3) and a cleaning tool bit (4); the cleaning tool bit (4) is provided with a connecting groove (5), and the cleaning tool bit (4) is connected with the connecting shaft (3) through a connecting rod mechanism;
the motor drives the main shaft (2) to rotate, and the cutter head of the cleaning assembly rotates to cut the deposition part of the heat exchanger pipeline (6).
2. A device for cleaning a rolling mill heat exchanger according to claim 1, characterized in that: connecting axle (3) are equipped with recess (7), link mechanism includes a plurality of connecting rods, a plurality of connecting rod bottoms and recess (7) swing joint of connecting axle (3), a plurality of connecting rod tops and spread groove (5) swing joint of clean tool bit (4).
3. A device for cleaning a rolling mill heat exchanger according to claim 1, characterized in that: the front end and the side wall of the cleaning tool bit (4) are provided with scouring pads (10).
4. A device for cleaning a rolling mill heat exchanger according to claim 1, characterized in that: the outer side of the driving device is provided with a shell (1), the outer side of the shell (1) is provided with a plurality of handles (11), and the top of the shell (1) is provided with a speed reducer (12).
5. A device for cleaning a rolling mill heat exchanger according to claim 2, characterized in that: the connecting groove (5) of the cleaning tool bit (4) is provided with a sliding groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122693236.6U CN216205632U (en) | 2021-11-05 | 2021-11-05 | Device for cleaning heat exchanger of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122693236.6U CN216205632U (en) | 2021-11-05 | 2021-11-05 | Device for cleaning heat exchanger of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216205632U true CN216205632U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122693236.6U Active CN216205632U (en) | 2021-11-05 | 2021-11-05 | Device for cleaning heat exchanger of rolling mill |
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| CN (1) | CN216205632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023212978A1 (en) * | 2022-05-06 | 2023-11-09 | 天津大学滨海工业研究院有限公司 | Waste heat recovery device for boiler equipment |
-
2021
- 2021-11-05 CN CN202122693236.6U patent/CN216205632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023212978A1 (en) * | 2022-05-06 | 2023-11-09 | 天津大学滨海工业研究院有限公司 | Waste heat recovery device for boiler equipment |
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