CN114607869B - Heat-preservation steel pipe structure with dent repairing function and repairing method thereof - Google Patents
Heat-preservation steel pipe structure with dent repairing function and repairing method thereof Download PDFInfo
- Publication number
- CN114607869B CN114607869B CN202210245598.5A CN202210245598A CN114607869B CN 114607869 B CN114607869 B CN 114607869B CN 202210245598 A CN202210245598 A CN 202210245598A CN 114607869 B CN114607869 B CN 114607869B
- Authority
- CN
- China
- Prior art keywords
- pipe
- steel pipe
- repairing
- air inlet
- end part
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 238000004321 preservation Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a heat-insulating steel pipe structure with a dent repairing function, which comprises the following components: the steel pipe main part, the steel pipe main part includes outer tube, inner tube and heat preservation: the inner side repairing cylinder is connected to the inside of the steel pipe main body, and a repairing cavity is formed between the inner pipes; the inside repair cylinder comprises a front end part, a rear end part and a middle pipe part, wherein the front end part and the rear end part are respectively connected with two ends of the middle pipe part. According to the heat-insulating steel pipe structure with the dent repairing function and the repairing method thereof, the inner side repairing cylinder is arranged in the inner pipe, when the heat-insulating steel pipe is dented, the inner side repairing cylinder is filled with gas by matching with the inflator pump, the dent is swelled and repaired by air pressure, and after the repairing is finished, the inside of the repairing cavity is vacuumized by the vacuum pump, so that the heat-insulating effect of the steel pipe can be improved.
Description
Technical Field
The invention relates to the field of heat-insulating steel pipes, in particular to a heat-insulating steel pipe structure with a dent repairing function and a repairing method thereof.
Background
The heat-insulating steel pipe is a steel pipe which is processed by a heat-insulating process and ensures that the internal temperature and the surface temperature of the working steel pipe meet or meet the use requirements under the action of different working environments and external media.
In the application, the heat-insulating steel pipe has the conditions that the surface is collided and the like and is sunken, such as conveying, carrying and the like, and the conditions that the surface of a pipeline is sunken due to collision are easy to occur.
At present, when the heat preservation steel pipe is sunken, the heat preservation steel pipe is difficult to restore to the original state, and particularly when the part close to the middle of the pipeline is sunken, the operation of repairing the sunken part is difficult.
Therefore, it is necessary to provide a heat-insulating steel pipe structure with a dent repairing function and a repairing method thereof to solve the above technical problems.
Disclosure of Invention
The invention provides a heat-insulating steel pipe structure with a dent repairing function and a repairing method thereof, which solve the problem that the heat-insulating steel pipe is not easy to repair when the dent appears in the heat-insulating steel pipe at present.
In order to solve the technical problems, the heat-insulating steel pipe structure with the dent repairing function provided by the invention comprises:
the steel pipe main part, the steel pipe main part includes outer tube, inner tube and heat preservation:
the inner side repairing cylinder is connected to the inside of the steel pipe main body, and a repairing cavity is formed between the inner pipes;
the inner repair cylinder comprises a front end part, a rear end part and a middle pipe part, wherein the front end part and the rear end part are respectively connected with two ends of the middle pipe part, and the outer diameter of the middle pipe part is smaller than that of the front end part and the rear end part;
the front end part is connected with an air inlet pipe head, and a valve is arranged on the air inlet pipe head;
wherein the interior of the repair cavity is in a vacuum state.
Preferably, the end part of the front end part is provided with an extension pipe, a nut is fixedly arranged on the inner side of the extension pipe, and a mounting hole is formed in the extension pipe at a position corresponding to the screw hole of the nut.
Preferably, a second sealing ring is arranged on the surface of the front end portion, a first sealing ring is arranged on one side of the rear end portion, and a threaded shaft is fixedly arranged on one side of the rear end portion.
Preferably, one side of the inner tube is fixedly connected with an annular mounting plate, and the annular mounting plate is provided with an assembly hole.
Preferably, the surface of the middle pipe part is fixedly connected with a plurality of partition plates, and the partition plates divide the repairing cavity into a plurality of diversion cavities.
Preferably, an air inlet hole is formed in the front end portion and corresponds to each of the split cavities, and a second magnetic ring is fixedly connected to one side of the front end portion and corresponds to the air inlet hole.
Preferably, the inside rotation of extension pipe is connected with the regulating plate, the regulating plate includes the circular plate, the position that one side of circular plate corresponds the inlet port bonds there is sealed the pad, the intercommunicating pore has been seted up on the circular plate, the position that one side of circular plate corresponds the intercommunicating pore is fixed with first magnetic ring.
Preferably, the connector is fixedly arranged at the other side of the circular plate and corresponds to the position of the communication hole, the connector comprises a connecting pipe portion, an air inlet pipe portion, a sealing pipe portion and an internal thread pipe portion, the connecting pipe portion is fixed in the communication hole, the air inlet pipe portion is connected to one end of the connecting pipe portion, the sealing pipe portion is connected to one end of the air inlet pipe portion, and one end of the sealing pipe portion is connected with the internal thread pipe portion.
Preferably, the inside of sealed tube portion is through connecting rod fixedly connected with internal thread ring, the inside threaded connection of internal thread ring has the screw thread axle, the inside fixedly connected with sealing block of one end of screw thread axle and being located sealed tube portion, rectangular channel has been seted up to the other end of screw thread axle.
The invention also provides a repairing method of the heat-preservation steel pipe structure with the dent repairing function, which comprises the following steps:
s1: when the surface of the steel pipe main body is concave, connecting an external inflator pump with an air inlet pipe head through a pipeline;
s2: opening a valve positioned on the air inlet pipe head and starting an inflator pump;
s3: observing the air pressure filled into the repairing cavity through an air pressure gauge on the pipeline, and observing whether the concave position bulges or not;
s4: when the concave position of the steel pipe main body is bulged and repaired, the inflator pump can be closed at the moment;
s5: and a vacuum pump is connected with the air inlet pipe head through a pipeline, gas in the repairing cavity is pumped out to vacuum, and then the valve is closed.
Compared with the related art, the heat-insulating steel pipe structure with the dent repairing function and the repairing method thereof have the following beneficial effects:
the invention provides a heat-insulating steel pipe structure with a dent repairing function and a repairing method thereof, wherein an inner side repairing cylinder is arranged in an inner pipe, when the heat-insulating steel pipe is dented, an inflator pump can be matched, gas is filled into the inner side repairing cylinder, a dent part is swelled and repaired by air pressure, and simultaneously, after the repair is finished, the inner side of a repairing cavity is vacuumized by a vacuum pump, so that the heat-insulating effect of the steel pipe can be improved and ensured.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a heat-insulating steel pipe structure with a dent repair function and a repair method thereof provided by the invention;
FIG. 2 is a side view of the device shown in FIG. 1;
FIG. 3 is a schematic view of the inside repair cartridge of FIG. 1;
FIG. 4 is a side view of the view shown in FIG. 3;
FIG. 5 is a cross-sectional view of the device shown in FIG. 1;
fig. 6 is a schematic structural diagram of a first embodiment of a heat-insulating steel pipe structure with a dent repair function and a repair method thereof according to the present invention;
FIG. 7 is a schematic view of the inside repair cartridge of FIG. 6;
FIG. 8 is a side view of the inside repair cartridge shown in FIG. 7;
FIG. 9 is a schematic view of the structure of the adjusting plate shown in FIG. 6;
fig. 10 is an enlarged view of a portion a shown in fig. 6;
FIG. 11 is a schematic view of a connecting pipe head provided by the heat-insulating steel pipe structure with a dent repair function.
Reference numerals in the drawings:
1. a main body of the steel pipe,
11. an outer tube, 12, an inner tube, 13 and a heat insulation layer,
2. the inner side of the repair cylinder is provided with a repair hole,
21. front end part, 22, rear end part, 23, middle pipe part, 24, extension pipe, 25, sealing ring one, 26, screw shaft, 27, air inlet pipe head, 28, valve, 29, mounting hole, 20, sealing ring two, 211, screw cap,
3. the cavity is repaired by the device,
4. the annular mounting plate is provided with a plurality of grooves,
5. the partition board is provided with a plurality of grooves,
6. an air inlet hole,
7. the connector is connected with the connecting head,
71. a connecting pipe part, 72, an air inlet pipe part, 73, a sealing pipe part, 74, an internal thread pipe part, 75, an internal thread ring, 76, a thread shaft, 77, a rectangular groove,
8. the adjusting plate is provided with a plurality of adjusting grooves,
81. a circular plate 82, a communication hole 83, a sealing gasket 84, a first magnetic ring,
9. a second magnetic ring is arranged on the first magnetic ring,
10. connect the tube head, 20, rectangular block.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a heat-insulation steel pipe structure with a dent repair function and a repair method thereof according to the present invention; FIG. 2 is a side view of the device shown in FIG. 1; FIG. 3 is a schematic view of the inside repair cartridge of FIG. 1; FIG. 4 is a side view of the view shown in FIG. 3; fig. 5 is a cross-sectional view of the device shown in fig. 1. Heat preservation steel pipe structure with sunken restoration function includes:
the steel pipe main body 1, steel pipe main body 1 includes outer tube 11, inner tube 12 and heat preservation 13:
an inner repair cylinder 2, wherein the inner repair cylinder 2 is connected to the inside of the steel pipe main body 1, and a repair cavity 3 is formed between the inner pipes 12 of the inner repair cylinder 2;
the inside repair cylinder 2 includes a front end portion 21, a rear end portion 22, and a middle tube portion 23, the front end portion and the rear end portion 22 being connected to both ends of the middle tube portion 23, respectively, an outer diameter of the middle tube portion 23 being smaller than outer diameters of the front end portion 21 and the rear end portion 22;
an air inlet pipe head 27 is connected to the front end part 21, and a valve is arranged on the air inlet pipe head 27;
wherein the interior of the repair cavity 3 is in a vacuum state.
Through setting up the vacuum state, improve the heat preservation effect of heat preservation steel pipe, the tip of air inlet tube head 27 is provided with internal thread connecting pipe and pipe connection, and the tip of pipeline corresponds and is provided with external thread connecting pipe portion, and the other end of pipeline is connected with vacuum pump or air-blower.
The end of the front end 21 is provided with an extension pipe 24, a nut 211 is fixedly arranged on the inner side of the extension pipe 24, and a mounting hole 29 is formed in the extension pipe 24 at a position corresponding to a screw hole of the nut 211.
The extension pipe 24 and the part of the inner pipe 12 located outside the outer pipe 11 can be fixedly connected through a screw matched with the nut 211, wherein the inner pipe is correspondingly provided with a fixing hole.
The surface of the front end part 21 is provided with a second sealing ring 20, one side of the rear end part 22 is provided with a first sealing ring 1, and one side of the rear end part 22 is fixedly provided with a threaded shaft 26.
The second sealing ring 20 is tightly attached to the inner surface of the inner tube 12, and the first sealing ring 1 on the rear end 22 is tightly attached to the annular mounting plate 4, so that the tightness of the repairing cavity 3 is ensured.
An annular mounting plate 4 is fixedly connected to one side of the inner portion of the inner tube 12, and an assembly hole is formed in the annular mounting plate 4.
The number of the threaded shafts 26 is not less than four, preferably six, and the corresponding assembly holes are six, and the cumulative threaded shafts 26 are matched with nuts to fixedly mount the rear end 22 and the annular mounting plate 4, wherein the nuts and the mounting holes 29 are correspondingly provided with six.
A repairing method of a heat-insulating steel pipe structure with a dent repairing function comprises the following steps:
s1: when the surface of the steel pipe main body 1 is concave, connecting an external inflator pump with an air inlet pipe head 27 through a pipeline;
s2: opening a valve positioned on the air inlet pipe head 27 and starting an inflator pump;
s3: observing the air pressure filled into the repairing cavity through an air pressure gauge on the pipeline, and observing whether the concave position bulges or not;
s4: when the concave position of the steel pipe main body 1 is bulged and repaired, the inflator pump can be closed at the moment;
s5: the gas inside the repair chamber 3 is evacuated by connecting a vacuum pump to the inlet tube head 27 through a pipe, and then the valve 28 is closed.
Wherein, a barometer is arranged on a pipeline connected with the vacuum pump.
Compared with the related art, the heat-insulating steel pipe structure with the dent repairing function and the repairing method thereof have the following beneficial effects:
through at the inside installation inboard restoration section of thick bamboo 2 of inner tube 12, when the heat preservation steel pipe appears sunken, can cooperate the pump, to the inside filling gas of inside restoration section of thick bamboo 2, through the air pressure with the restoration of concave part bulge, after the restoration is accomplished simultaneously, will restore the inside evacuation processing of chamber 3 through the vacuum pump to can improve the heat preservation effect of assurance steel pipe.
Second embodiment
Referring to fig. 6, fig. 7, fig. 8, fig. 9, fig. 10 and fig. 11 in combination, another heat-insulating steel pipe structure with a pit repairing function is proposed according to a second embodiment of the present application based on the heat-insulating steel pipe structure with a pit repairing function provided in the first embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the heat-insulating steel pipe structure with the dent repair function provided in the second embodiment of the present application is different in that the heat-insulating steel pipe structure with the dent repair function, the surface of the middle pipe portion 23 is fixedly connected with a plurality of partition boards 5, and the partition boards 5 divide the repair cavity 3 into a plurality of diversion cavities.
Wherein baffle 5 preferably sets up 6-8 to cut apart repair chamber 3 into 6-8 reposition of redundant personnel chambeies correspondingly, thereby when the heat preservation steel pipe appears that the position is sunken, only need correspond to corresponding reposition of redundant personnel intracavity inside filling gas can, and can improve the intensity of whole heat preservation steel sheet through setting up from board 5.
The front end part 21 is provided with an air inlet hole 6 corresponding to each split cavity, and a second magnetic ring 9 is fixedly connected to one side of the front end part 21 and corresponds to the air inlet hole 6.
The number of the air inlets 6 and the number of the shunt cavities are arranged in pairs, the number of the second magnetic rings 9 corresponds to the number of the air inlets 6, and the second magnetic rings 9 are embedded and fixed on the front end portion 21.
Through setting up second magnetic ring 9, can cooperate first magnetic ring 84 to the position limit of circular plate 81, and when rotating circular plate 81, when first magnetic ring 84 and second magnetic ring 9 adsorb, i.e. communication hole 82 corresponds with inlet port 6, can aerify or bleed the operation, convenient to use.
The opposite surfaces of the first magnetic ring 84 and the second magnetic ring 9 are heteropolarity.
The inside rotation of extension pipe 24 is connected with regulating plate 8, regulating plate 8 includes circular plate 81, the position that one side of circular plate 81 corresponds inlet port 6 bonds there is sealed pad 83, set up the intercommunicating pore 82 on the circular plate 81, the position that one side of circular plate 81 corresponds intercommunicating pore 82 is fixed with first magnetic ring 84.
The sealing pad 83 is attached to the air inlet 6, and the sealing performance of the circular plate 81 to the air inlet 6 is ensured.
The connector 7 is fixedly mounted on the other side of the circular plate 81 and at a position corresponding to the communication hole 82, the connector 7 comprises a connecting pipe portion 71, an air inlet pipe portion 72, a sealing pipe portion 73 and an internal thread pipe portion 74, the connecting pipe portion 71 is fixed inside the communication hole 82, the air inlet pipe portion 72 is connected to one end of the connecting pipe portion 71, the sealing pipe portion 73 is connected to one end of the air inlet pipe portion 72, and one end of the sealing pipe portion 73 is connected to the internal thread pipe portion 74.
The inside of sealed tube portion 73 is through connecting rod fixedly connected with internal thread ring 75, the inside threaded connection of internal thread ring 75 has screw shaft 76, the inside fixedly connected with sealing block that just is located sealed tube portion 73 of one end of screw shaft 76, rectangular channel 77 has been seted up to the other end of screw shaft 76.
The sealing block is a circular plate, and a sealing ring is adhered to the surface of the sealing block;
wherein, the end part of the pipeline connected with the inflator pump or the vacuum pump is connected with a connecting pipe head 10, and a rectangular block 20 is fixed in the connecting pipe head 10 through a connecting arm;
rectangular block 20 is the same size as rectangular slot 77;
wherein through setting up a plurality of baffles 5, the corresponding chamber 3 that will restore is cut apart into a plurality of reposition of redundant personnel chambeies to when the heat preservation steel pipe appears that the position is sunken, only need to the inside filling gas of reposition of redundant personnel chamber that corresponds can, and can improve the intensity of whole heat preservation steel sheet through setting up from board 5.
When the circular plate 81 is moved until the first magnetic ring 84 and the second magnetic ring 9 are attracted, namely the communication hole 82 corresponds to the air inlet 6, the connection head 7 can be connected with the connection head 10 through a pipeline on the inflator pump;
when the connecting pipe head 10 is connected, when the threaded pipe part corresponds to the internal threaded pipe part 74, the rectangular block 20 is correspondingly inserted into the rectangular groove 77, and when the connecting pipe head 10 is rotated to be in threaded connection with the internal threaded pipe part 74, the rectangular block 20 drives the threaded shaft 76 to rotate, so that the sealing block is pushed to enter the air inlet pipe part 72, (wherein the diameter of the air inlet pipe part 72 is larger than that of the sealing pipe part 73), at the moment, the connector 7 is communicated with the inside, and the internal threaded pipe part 74 is screwed with the threaded pipe part of the connecting pipe head 10;
when the connecting pipe is disassembled, the sealing block moves to the inside of the sealing pipe part 73 again, so that the connecting pipe head 7 is sealed, and the connecting pipe is convenient to use and easy to operate;
and after the repair is finished, vacuumizing the inside of the shunt cavity through a vacuum pump in the same way.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (4)
1. Heat preservation steel pipe structure with sunken restoration function, characterized by, include:
the steel pipe main part, the steel pipe main part includes outer tube, inner tube and heat preservation:
the inner side repairing cylinder is connected to the inside of the steel pipe main body, and a repairing cavity is formed between the inner pipes;
the inner repair cylinder comprises a front end part, a rear end part and a middle pipe part, wherein the front end part and the rear end part are respectively connected with two ends of the middle pipe part, and the outer diameter of the middle pipe part is smaller than that of the front end part and the rear end part;
the front end part is connected with an air inlet pipe head, and a valve is arranged on the air inlet pipe head;
wherein the interior of the repair cavity is in a vacuum state;
the end part of the front end part is provided with an extension pipe, a nut is fixedly arranged on the inner side of the extension pipe, and a mounting hole is formed in the extension pipe at a position corresponding to the screw hole of the nut;
the surface of the middle pipe part is fixedly connected with a plurality of partition boards, and the partition boards divide the repairing cavity into a plurality of diversion cavities;
an air inlet hole is formed in the front end part and corresponds to each flow distribution cavity, and a second magnetic ring is fixedly connected to one side of the front end part and corresponds to the air inlet hole;
the inside of the extension pipe is rotationally connected with an adjusting plate, the adjusting plate comprises a circular plate, a sealing gasket is adhered to one side of the circular plate corresponding to the position of the air inlet hole, a communication hole is formed in the circular plate, and a first magnetic ring is fixed to one side of the circular plate corresponding to the position of the communication hole;
the connecting device comprises a circular plate, and is characterized in that a connector is fixedly arranged on the other side of the circular plate and corresponds to the position of a communication hole, the connector comprises a connecting pipe part, an air inlet pipe part, a sealing pipe part and an internal thread pipe part, the connecting pipe part is fixed in the communication hole, the air inlet pipe part is connected with one end of the connecting pipe part, the sealing pipe part is connected with one end of the air inlet pipe part, and one end of the sealing pipe part is connected with the internal thread pipe part;
the inside of sealed tube portion is through connecting rod fixedly connected with internal thread ring, the inside threaded connection of internal thread ring has the screw thread axle, the inside fixedly connected with sealing block of one end of screw thread axle and being located sealed tube portion, rectangular channel has been seted up to the other end of screw thread axle.
2. The heat preservation steel pipe structure with the dent repair function according to claim 1, wherein a second sealing ring is arranged on the surface of the front end portion, a first sealing ring is arranged on one side of the rear end portion, and a threaded shaft is fixedly arranged on one side of the rear end portion.
3. The heat preservation steel pipe structure with the dent repair function according to claim 1, wherein one side of the inner pipe is fixedly connected with an annular mounting plate, and the annular mounting plate is provided with an assembly hole.
4. A repair method for the heat-insulating steel pipe structure with a dent repair function as set forth in any one of claims 1 to 3, characterized by comprising the steps of:
s1: when the surface of the steel pipe main body is concave, connecting an external inflator pump with an air inlet pipe head through a pipeline;
s2: opening a valve positioned on the air inlet pipe head and starting an inflator pump;
s3: observing the air pressure filled into the repairing cavity through an air pressure gauge on the pipeline, and observing whether the concave position bulges or not;
s4: after the concave position of the steel pipe main body is swelled and repaired, the inflator pump is closed at the moment;
s5: and a vacuum pump is connected with the air inlet pipe head through a pipeline, gas in the repairing cavity is pumped out to vacuum, and then the valve is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210245598.5A CN114607869B (en) | 2022-03-14 | 2022-03-14 | Heat-preservation steel pipe structure with dent repairing function and repairing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210245598.5A CN114607869B (en) | 2022-03-14 | 2022-03-14 | Heat-preservation steel pipe structure with dent repairing function and repairing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114607869A CN114607869A (en) | 2022-06-10 |
| CN114607869B true CN114607869B (en) | 2024-01-09 |
Family
ID=81863081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210245598.5A Active CN114607869B (en) | 2022-03-14 | 2022-03-14 | Heat-preservation steel pipe structure with dent repairing function and repairing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114607869B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372162A (en) * | 1992-03-06 | 1994-12-13 | Frey; Andre F. | Repair device for the in situ repair of pipes, and a method of repairing pipes |
| JP2000343124A (en) * | 1999-04-01 | 2000-12-12 | Kyoshin Kogyo Kk | Tool to correct local deformation of hair-pin tube |
| CN203862741U (en) * | 2014-05-24 | 2014-10-08 | 常州中苏纳米新材料科技有限公司 | Traceless pipe correcting machine |
| KR101935401B1 (en) * | 2018-03-08 | 2019-01-07 | 주식회사 삼명이엔씨 | Pipeline repairing device |
| CN211040115U (en) * | 2019-11-13 | 2020-07-17 | 中海安盟（北京）海事技术服务有限公司 | Pipeline repairing device |
| CN211118258U (en) * | 2019-10-23 | 2020-07-28 | 合肥燃气集团有限公司 | Non-block type plugging device for indoor low-pressure gas pipeline |
| CN211757762U (en) * | 2019-12-27 | 2020-10-27 | 常熟华新特殊钢有限公司 | Steel pipe surface depression prosthetic devices |
| CN214248721U (en) * | 2020-08-18 | 2021-09-21 | 上海善治环境技术有限公司 | Connecting device of underground pipeline repairing air bag |
| CN113819335A (en) * | 2021-08-26 | 2021-12-21 | 中山大学 | Pipeline repair device and pipeline repair method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080252068A1 (en) * | 2007-04-16 | 2008-10-16 | Quinn Gregory F | Expansion repair coupling |
-
2022
- 2022-03-14 CN CN202210245598.5A patent/CN114607869B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372162A (en) * | 1992-03-06 | 1994-12-13 | Frey; Andre F. | Repair device for the in situ repair of pipes, and a method of repairing pipes |
| JP2000343124A (en) * | 1999-04-01 | 2000-12-12 | Kyoshin Kogyo Kk | Tool to correct local deformation of hair-pin tube |
| CN203862741U (en) * | 2014-05-24 | 2014-10-08 | 常州中苏纳米新材料科技有限公司 | Traceless pipe correcting machine |
| KR101935401B1 (en) * | 2018-03-08 | 2019-01-07 | 주식회사 삼명이엔씨 | Pipeline repairing device |
| CN211118258U (en) * | 2019-10-23 | 2020-07-28 | 合肥燃气集团有限公司 | Non-block type plugging device for indoor low-pressure gas pipeline |
| CN211040115U (en) * | 2019-11-13 | 2020-07-17 | 中海安盟（北京）海事技术服务有限公司 | Pipeline repairing device |
| CN211757762U (en) * | 2019-12-27 | 2020-10-27 | 常熟华新特殊钢有限公司 | Steel pipe surface depression prosthetic devices |
| CN214248721U (en) * | 2020-08-18 | 2021-09-21 | 上海善治环境技术有限公司 | Connecting device of underground pipeline repairing air bag |
| CN113819335A (en) * | 2021-08-26 | 2021-12-21 | 中山大学 | Pipeline repair device and pipeline repair method |
Non-Patent Citations (1)
| Title |
|---|
| 石油管道修复的工艺和设备;Б．Н．拉里昂诺夫, 黄静莉, 王军;国外油田工程(第10期);第50-51页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114607869A (en) | 2022-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210603819U (en) | An end-face drive sandwich device | |
| CN114441104A (en) | A test method for the performance of non-metallic seals under high pressure hydrogen environment | |
| CN114607869B (en) | Heat-preservation steel pipe structure with dent repairing function and repairing method thereof | |
| CN112229595B (en) | Device and method for improving local vacuum degree of pulse wind tunnel | |
| CN207923588U (en) | Anti- cold welding experiment vacuum plant | |
| US6427969B1 (en) | Adjustable gate valve assembly for vacuum chamber | |
| CN107139076B (en) | A kind of pneumatic clamp for grinding machine processing | |
| CN107215490A (en) | A kind of small-sized high rigidity vacuum environment analogue means | |
| CN209416598U (en) | A mechanical seal product testing and processing device | |
| CN114046929A (en) | Multifunctional vacuum calibration system and method | |
| CN113686511A (en) | Method for checking leakage of high-temperature heat pipe shell | |
| CN212352885U (en) | Diaphragm pre-pressing forming device for shock wave simulation equipment | |
| CN212509917U (en) | A U-shaped heat exchange tube hydraulic test device and combination device | |
| CN212722334U (en) | Quick pressure test device of tube bundle assembly | |
| CN213392595U (en) | Vacuum pumping system | |
| CN115031169A (en) | Checking method for pressure of expansion joint of steam guide pipe and pressure device of expansion joint of steam guide pipe | |
| CN201402200Y (en) | Sealed bulge test device | |
| CN220231290U (en) | Water pressure test device for ultra-small pipeline | |
| CN101526414A (en) | Seal and bulge test device of shell of gas flow meter | |
| CN219220534U (en) | Burst disc discharging device of exhaust pipeline of direct air cooling steam turbine | |
| CN222774222U (en) | Pressure pipeline gas leakage detection device for special equipment | |
| CN219294797U (en) | Resin matrix composite processes autoclave | |
| CN111911317A (en) | Small-structure propellant filling and discharging valve and use method thereof | |
| CN105156795A (en) | Cushion-type spherical rotary joint | |
| CN103727233A (en) | Airtightness blocking method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |