CN1474081A - Strong magnetic blocking device and its blocking method - Google Patents
Strong magnetic blocking device and its blocking method Download PDFInfo
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- CN1474081A CN1474081A CNA03130480XA CN03130480A CN1474081A CN 1474081 A CN1474081 A CN 1474081A CN A03130480X A CNA03130480X A CN A03130480XA CN 03130480 A CN03130480 A CN 03130480A CN 1474081 A CN1474081 A CN 1474081A
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- plugging device
- strong magnetic
- shutoff
- strong
- magnetic plugging
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- 238000000034 method Methods 0.000 title claims description 13
- 230000000903 blocking effect Effects 0.000 title abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 210000003000 inclusion body Anatomy 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000005381 magnetic domain Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 210000000664 rectum Anatomy 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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Abstract
One of the strong magnetic blocking device is one leakage-blocking block with notch for strong magnet to be embedded in the outer surface and blocking sealing layer in the inner surface, with the blocking surface having minimum curvature radius of 10 mm and angle of 1-180 deg.c. The other strong magnetic blocking device in one cylindrical holder with strong magnet inside the notch in the bottom and sealing surface of minimum radius 100 mm in the bottom. during blocking leakage, strong magnetic blocking device in proper shape is first selected and then made to be attracted to the surface to be blocked. The present invention has the advantages of simple operation and fast installation and may be used in in-situ emergency repair without stopping production.
Description
Technical field
The present invention relates to a kind of leakage-baffling device and application thereof, relate in particular to strong magnetic plugging device and method for blocking thereof that a kind of pipeline that can be used for the various different curvature radius of shutoff, storage tank, under-water body etc. leak.
Background technique
As everyone knows, in industries such as oil, chemical industry, sea-freights, accidents such as pipe network, storage tank, under-water body leakage take place often.Particularly, when the petrochemical industry facility take place to be revealed, exist especially to cause fire, blast, or major safety risks such as cause that poison gas spreads.Therefore, in emergency circumstances shutoff leakage point fast and effectively is a key of getting rid of major safety risks.
At present, general blocking method is: to leak source, the crackle of plane or curved surface, adopt external force that timber wedge is pounded into leak source, or mechanically at the cracks fixing hoop; To the leakage of flanged seam, then inject liquid glue by force with the hydraulic pressure rifle, twine Stamping Steel Ribbon, again with bolt leak stopping part; If pipe fitting or tun leak,, also perforation, nailing on the body will leaked for leakage-baffling device being installed in leak.Above-mentioned all existing leak stopping modes, original backwardness is operated loaded down with trivial detailsly, and speed is very slow, is difficult to control especially and handles when pressurized container annex and weld seam take place to leak.Therefore, the rescue under inflammable, explosive, critical and strategically located and difficult of access situation when facility generation rock gas such as incompatible as under-water body, petrochemical industry pipe network, pipeline and tun of these blocking methods or toxic articles leakage.
Summary of the invention
Purpose of the present invention overcomes the deficiencies in the prior art exactly, and a kind of leak source of quick blocking in case of emergency is provided, to get rid of the strong magnetic plugging device of major safety risks.
Strong magnetic plugging device of the present invention comprises the leak stopping piece, and the outer surface of described leak stopping piece is provided with groove, inlays strong magnets in the described groove, and the magnetic attraction of described strong magnets unit area is 1～50Mpa; The internal surface of described leak stopping piece is the shutoff face that is provided with sealing layer; The minimum profile curvature radius of described shutoff face is 10 millimeters, and the angle of sealing of described shutoff face is 1 degree～180 degree.
The two ends of described leak stopping piece are provided with combined or detachable type handle; Described leak stopping piece is provided with pressure release passage; The thickness of described sealing layer is 1～10 millimeter, and the material of described sealing layer is solid flexible glue, liquid glue, soft metal, composite material or the powerful sticking material of mending; The two ends of described strong magnetic plugging device or four jiaos of places are provided with connecting pore.
The strong magnetic plugging device of another kind of the present invention comprises the tubular inclusion body, and the bottom of described tubular inclusion body is provided with groove, is provided with strong magnets in the described groove, and the magnetic attraction of described strong magnets unit area is 1～50Mpa; Described tubular inclusion body bottom is for being provided with the shutoff face of sealing layer; The minimum profile curvature radius of described shutoff face is 100 millimeters.
The cross section of described tubular inclusion body is rectangle or circle; The top of described tubular inclusion body is provided with Remote control valve; The top of described tubular inclusion body is provided with hanger.
Method for blocking of the present invention is: at first according to being selected prefabricated strong magnetic plugging device by the shape of shutoff face; The shutoff of strong magnetic plugging device is also close by shutoff face in the face of standard, make both closely adhesives under the effect of strong magnets.
The invention has the beneficial effects as follows: simple to operate, quick for installation, pick and place freedom, convenient disassembly, the leakage point that can be used for the pipeline, storage tank, under-water body etc. of the various different curvature radius of shutoff with the scene of the realizing emergency repair that do not stop production, and is eliminated the possibility that causes serious accident.
Description of drawings
Fig. 1 is a strong magnetic plugging device structural representation of the present invention;
Fig. 2 is the schematic representation of shutoff curved surface leak source of the present invention;
Fig. 3 is the schematic representation of shutoff of the present invention plane leak source;
Fig. 4 is the sectional drawing that shutoff flanged seam of the present invention leaks;
Fig. 5 is the strong magnetic plugging device schematic representation that the present invention is provided with shutoff flanged seam boss;
Fig. 6 is the scheme of installation that the present invention is provided with pressure release passage;
Fig. 7 is the strong magnetic plugging device schematic representation of our bright shutoff pipeline elbow leak source;
Fig. 8 is the strong magnetic plugging device schematic representation of our bright shutoff pipeline threeway place leak source;
Fig. 9 is the bright strong magnetic plugging device of the four-way formula schematic representation of we;
Figure 10 is the present invention is provided with connecting pore at the two ends of leak stopping piece a strong magnetic plugging device schematic representation;
Figure 11 is the present invention is provided with connecting pore at the Si Jiaochu of leak stopping piece a strong magnetic plugging device schematic representation;
The strong magnetic plugging device schematic representation that Figure 12 is made up of the plugging device of the plugging device instrument and the layer that sets within it;
Figure 13 is plan view and the plan view that is used for the capping tools of shutoff relief pipeline leakage;
Figure 14 is plan view and the plan view that is provided with the plugging device of pressure relief valve;
Figure 15 is the strong magnetic plugging device schematic representation with tubular inclusion body.
Mark among the figure; Leak stopping piece 1 sealing layer 2 strong magnets 3 handles 4 are by shutoff body 5 flanges 6 flanges 7 seal rings 8 pressure release passages 9 pressure relief valves 10 long-range blowdown line 11 boss 12 connecting pores 13 connecting pores 14 plugging device instruments 15 plugging devices 16 tubular inclusion bodies 17 telecontrol valve ports 18 hangers 19 connecting pores 20 connecting pores 21 connecting pores 22 connecting pores 23
Embodiment
Below in conjunction with drawings and Examples the present invention and method for blocking thereof are done to describe in detail.
As shown in Figure 1, strong magnetic plugging device of the present invention comprises leak stopping piece 1, outer surface at described leak stopping piece 1 is provided with groove, inlay strong magnets 3 in the described groove, described strong magnets 3 can be the unlike material of different formulations or different brands, and the magnetic attraction of its unit area is 1～50Mpa; The internal surface of described leak stopping piece 1 is a shutoff face, and described shutoff face is provided with sealing layer 2, and the thickness of described sealing layer 2 is 1～10 millimeter; The material of described sealing layer 2 can be selected solid flexible glue, liquid glue, soft metal, composite material or the powerful sticking material of mending for use; The minimum profile curvature radius R of described shutoff face is 10 millimeters, and the angle α that seals of described shutoff face is 1 degree～180 degree.For the ease of installing or remote attended operation, the two ends of described leak stopping piece 1 can be provided with combined or detachable type handle 4.
According to by the shape needs of shutoff face, described strong magnetic plugging device can be made different shape by the shutoff curvature of face radius Rs of selecting different sizes, or according to being increased other optional features by the structure characteristic of shutoff face.Following examples have been made relevant explanation to this.
As shown in Figure 2, during shutoff curved surface leak source, can be according to surface curvature radiuses such as the pipeline of want shutoff, storage tank, under-water bodies, select prefabricated shutoff curvature of face radius and the strong magnetic plugging device that is adapted by shutoff curvature of face radius, the range of choice of described radius of curvature can begin to required size from 10 millimeters, the angular region of sealing of shutoff face is 1 degree～180 degree, and mark 5 is by the shutoff body among the figure.
As shown in Figure 3, during the leak source of shutoff plane, can select prefabricated shutoff face is the strong magnetic plugging device on plane (radius of curvature R infinity), and mark 5 is by the shutoff body among the figure.
As shown in Figure 4, when the valve of the different latus rectums of shutoff and the flanged seam of different surfaces curvature leak, can be according to the prefabricated strong magnetic plugging device of the width of two flanges 6 and flange 7 junction surfaces, the form of strong magnetic plugging device is generally to be sealed angle 360 degree and splits two (monolithic is sealed angle 180 degree), its two ends are provided with seal ring 8, and the described sealing layer 2 that is arranged on the shutoff face is full of the degree of 360 between flange 6 and flange 7 seam crossings and leak stopping piece 1 internal surface circumference.Better for sealing effect, the also optional internal surface that is used in leak stopping piece 1 is provided with the boss 12 as shown in Fig. 5 (b), and inlays the strong magnetic plugging device of joining sealing material on boss 12.Fig. 5 (a) is flange 6 and flange 7, and the width of the width of described boss 12 and two flanged seams matches.
As shown in Figure 6, when the shutoff relief pipeline leaks, can select the prefabricated strong magnetic plugging device that is provided with pressure release passage 9, and pressure relief valve 10 is set at the outer surface of described strong magnetic plugging device.After adopting strong magnetic plugging device shutoff leak source shown in Figure 6, open pressure relief valve 10, can realize long-range pressure release, also can take the drainage counter measure simultaneously the leakage fluid of accident pipeline or container by long-range blowdown line 11.
When channel bend (90 degree/120 degree) is located or tee union place when leaking, can be prefabricated as shown in Figure 7 bending head type or the strong magnetic plugging device of tee union formula shown in Figure 8, described strong magnetic plugging device also is set to seal angle 360 degree and splits two (monolithic is sealed angle 180 degree), its each port is provided with strong magnets 3, and the internal surface of described strong magnetic plugging device is the shutoff face that is provided with sealing layer 2.Principle in view of the above, the strong magnetic plugging device of four-way formula also can be made equally, and is set to two (monolithic is sealed angle 180 degree) that center line shown in Figure 9 is split.
In order to be more convenient for using, can connecting pore 13 and connecting pore 14 (shown in Figure 10 (a) and (b)) be set at the two ends of the leak stopping piece 1 of the strong magnetic plugging device on shutoff plane shown in Figure 3, or connecting pore 20,21 and connecting pore 22,23 (shown in Figure 11 (a) and (b)) be set at the Qi Sijiao place.Like this, just several independently strong magnetic plugging devices can be combined into the flexible strong magnetic plugging device of an arbitrary area.For strong magnetic plugging device shown in Figure 10, its composing method is to be through in described connecting pore 13 and the connecting pore 14 with coupling pin, makes it to form the continuous flexible strong magnetic plugging device of two sides; For strong magnetic plugging device shown in Figure 11, its composing method is to be through in described connecting pore 20,21 and the connecting pore 23,22 with coupling pin, makes it to form the flexible strong magnetic plugging device that continues in all directions.
The compound mode of another kind of strong magnetic plugging device is formed (as shown in figure 12) by plugging device instrument 15 and the plugging device 16 that is arranged on plugging device instrument 15 internal layers.Described plugging device instrument 15 is exactly in fact above-mentioned strong magnetic plugging device, and 16 of described plugging devices are the no magnetic plugging devices after the strong magnets 3 in the above-mentioned strong magnetic plugging device is taken off, and the internal surface of described plugging device 16 is a shutoff face.When the shutoff leak source, the plugging device instrument 15 that dependence is provided with magnet is pressed in plugging device 16 by on the shutoff face with strong magnetic force suction, adopt means of fixation such as welding that plugging device 16 is fixedly installed on the leak source place then, pull down plugging device instrument 15 in modes such as lever, hydraulic jack power again, or adopt multiple thermal source that the mode that magnetic patch carries out in good time, locatees, quantitatively heats is disintegrated its magnetic domain, pull down plugging device instrument 15 again.The plugging device instrument of pulling down in modes such as lever, hydraulic jack power 15 can be repeatedly used, and the mode that adopts multiple thermal source to disintegrate its magnetic domain is only limit unnecessary reusable plugging device instrument 15.Shown in Figure 12 (a) and Fig. 12 (b) is plugging device instrument 15 and be the compound mode that an angle of 90 degrees is arranged on the plugging device 16 of plugging device instrument 15 internal layers, removes this, the compound mode that also can adopt described plugging device instrument 15 and plugging device 16 to be provided with the orientation.
Shown in Figure 13 (a) is the plan view that is used for the capping tools 15 of shutoff relief pipeline leakage, and shown in Figure 13 (b) is the plan view of Figure 13 (a); Shown in Figure 14 (a) is plugging device 16 plan views that are provided with pressure relief valve 10, and shown in Figure 14 (b) is the plan view of Figure 14 (a); Capping tools 15 shown in Figure 13 and plugging device 16 shown in Figure 14 can make up with the orientation, are used for the shutoff relief pipeline and leak.
In order to be applicable to that shutoff is provided with the curved surface leakage of protrusion, the present invention has also designed another kind of strong magnetic plugging device as shown in figure 15, it comprises tubular inclusion body 17, the barrel bottom of described tubular inclusion body 17 is provided with groove, be provided with strong magnets 3 in the described groove, described strong magnets 3 can be the unlike material of different formulations and different brands, and the magnetic attraction of its unit area is 1～50Mpa; The bottom of described tubular inclusion body 17 is a shutoff face, and described shutoff face is provided with sealing layer 2; The radius of curvature minimum of described shutoff face is 100 millimeters.In the time of on using it for the cylndrical surface, the cross section of described tubular inclusion body 17 can be rectangle; In the time of on using it for sphere, the cross section of described tubular inclusion body 17 can be circle.Need implement the recover leakage of pressure piping of pressure release for shutoff, telecontrol valve port 18 can be set at the top of described tubular inclusion body 17; In order described strong magnetic leak stopping device to be installed by crane gear when shutoff large-diameter pipe road and the bulk container, two hangers 19 can also be set at the top of described tubular inclusion body 17.
When strong magnetic plugging device of the present invention is used at the scene, the shutoff pressure source is the magnetic force that is embedded in the strong magnets 3 in leak stopping piece 1 groove, the magnetic intensity of described powerful magnet 3 can and be finished on magnetizer according to the system pressure setting, the magnetic attraction of unit area is 1～50Mpa, and described magnetic attraction also can utilize the size of magnet area to regulate.Prefabricated strong magnetic plugging device can be preserved at normal temperatures, can guarantee that generally function is intact in 10 years, and its magnetic intensity can not decay; Be installed in the strong magnetic plugging device at leak source place, when the temperature of shutoff operating mode below 80 ℃ the time, its magnetic intensity can not decay in 10 years substantially yet, so, to can not doing other processing after the leak source shutoff or delaying and do other processing, did the strong magnetic plugging device of pulling down (can utilize lever, hydraulic jack power to pull down) after handling and can also reuse; Belong to high temperature condition (fire fighting is speedily carried out rescue work) as the shutoff operating mode, its magnetic intensity is under the water-cooled condition, can keep 1.5 hours shutoff function, guarantee to do the enough time (do not need reusable strong magnetic plugging device after processing, to adopt mode of heating to disintegrate its magnetic domain, pull down then) of other processing; Belong to the water-cooled condition as the shutoff operating mode, its magnetic intensity also can guarantee unattenuated.The magnetic field of strong magnetic plugging device can be the not varying magnetic field of mosaic magnet, also can be by regulating the variable magnetic field that magnetic direction changes magnetic intensity.
Above-mentioned strong magnetic plugging device can be made different shape as required, and method for blocking is simple, quick, can finish the work in 10 seconds generally speaking.Method for blocking is: at first according to being selected prefabricated strong magnetic plugging device by the shape of shutoff face; The shutoff of strong magnetic plugging device is also close by shutoff face in the face of standard, make both closely adhesives under the effect of strong magnets.
Described sealing layer 2 can be selected high temperature resistant, acid resistant alkali, high pressure resistant, corrosion resistant various available soft materials for use according to different medium or different temperatures, on at shutoff face, attach solid flexible glue, soft metal or composite material with mighty bond, also can directly apply powerful sticking benefit material or liquid glue and make it form flexible glue, its thickness is 1～10 millimeter.
Characteristics of the present invention are: with the leakage point of strong permanent magnetic magnetic material shutoff iron and steel (containing the alloy material that part can be magnetized) and part small size non-steel body.Advantage of the present invention is: strong magnetic force combination, simple to operate, quick for installation, pick and place freedom, convenient disassembly can be used for the leakage point of the pipeline, storage tank, under-water body etc. of the various different curvature radius of shutoff, the emergency repair that do not stop production of realization scene, to not influence of the normal operation of system, can effectively avoid the generation of serious accident and eliminate its hidden danger, have important and emergent reliably preventing function.
More than only be schematically by drawings and Examples to the description that the present invention did, do not have restrictive.So enforcement of the present invention is not limited to above-mentioned embodiment.If those of ordinary skill in the art is enlightened by it, under the situation that does not break away from aim of the present invention and claim institute protection domain, make other modification or mode of execution, all belong to protection scope of the present invention.
Claims (10)
1. one kind strong magnetic plugging device comprises the leak stopping piece, and it is characterized in that: the outer surface of described leak stopping piece is provided with groove, inlays strong magnets in the described groove, and the magnetic attraction of described strong magnets unit area is 1～50Mpa; The internal surface of described leak stopping piece is the shutoff face that is provided with sealing layer; The minimum profile curvature radius of described shutoff face is 10 millimeters; The angle of sealing of described shutoff face is 1 degree～180 degree.
2. strong magnetic plugging device according to claim 1 is characterized in that: the two ends of described leak stopping piece are provided with combined or detachable type handle.
3. strong magnetic plugging device according to claim 1 is characterized in that: described leak stopping piece is provided with pressure release passage.
4. strong magnetic plugging device according to claim 1 is characterized in that: the material of described sealing layer is solid flexible glue, liquid glue, soft metal, composite material or the powerful sticking material of mending, and its thickness is 1～10 millimeter.
5. strong magnetic plugging device according to claim 1 is characterized in that: the two ends of described leak stopping piece or four jiaos of places are provided with connecting pore.
6. one kind strong magnetic plugging device is characterized in that it comprises the tubular inclusion body; The barrel bottom of described tubular inclusion body is provided with groove, is provided with strong magnets in the described groove, and the magnetic attraction of described strong magnets unit area is 1～50Mpa; Described tubular inclusion body bottom is for being provided with the shutoff face of sealing layer; The minimum profile curvature radius of described shutoff face is 100 millimeters.
7. strong magnetic plugging device according to claim 6 is characterized in that: the cross section of described tubular inclusion body is rectangle or circle.
8. strong magnetic plugging device according to claim 6, it is characterized in that: the top of described tubular inclusion body is provided with Remote control valve.
9. strong magnetic plugging device according to claim 6, it is characterized in that: the top of described tubular inclusion body is provided with hanger.
10. method of using claim 1 or 6 described strong magnetic leak stopping device shutoff leakage points, it is characterized in that: it comprises the steps:
(1) according to being selected prefabricated strong magnetic plugging device by the shape of shutoff face;
(2) shutoff of strong magnetic plugging device is also close by shutoff face in the face of standard, make both closely adhesives under the effect of strong magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03130480XA CN100375857C (en) | 2003-07-29 | 2003-07-29 | Strong magnetic blocking device and its blocking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03130480XA CN100375857C (en) | 2003-07-29 | 2003-07-29 | Strong magnetic blocking device and its blocking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1474081A true CN1474081A (en) | 2004-02-11 |
| CN100375857C CN100375857C (en) | 2008-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB03130480XA Expired - Fee Related CN100375857C (en) | 2003-07-29 | 2003-07-29 | Strong magnetic blocking device and its blocking method |
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| Country | Link |
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| CN (1) | CN100375857C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865366A (en) * | 2012-10-08 | 2013-01-09 | 中国人民解放军军事交通学院 | Strong-magnet leakage stopping plug |
| CN105333256A (en) * | 2015-09-25 | 2016-02-17 | 重庆燕蓝科技有限公司 | Telescopic connection pipe for vehicle-mounted water tank |
| CN106907545A (en) * | 2017-04-18 | 2017-06-30 | 中国石油大学(华东) | Gas oil pipe leakage oil gas fast-collection device |
| CN110553114A (en) * | 2018-06-02 | 2019-12-10 | 张一虎 | Diversion type leaking stoppage base and quick connecting structure |
| CN111438420A (en) * | 2020-04-17 | 2020-07-24 | 中船黄埔文冲船舶有限公司 | A trompil device for spending pipe on trunk line |
| CN112372250A (en) * | 2020-11-16 | 2021-02-19 | 广东理标信息科技有限公司 | Processing method of strong magnetic plugging device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2727650A (en) * | 1954-12-15 | 1955-12-20 | Thomas F Moynihan | Magnetic seal for leaks in oil tanks and the like |
| CN1060628A (en) * | 1990-09-11 | 1992-04-29 | 戴尔·埃尔维斯·古尔丁 | The Apparatus and method for of sealing membraning container |
| CN2090803U (en) * | 1990-11-20 | 1991-12-18 | 河北冶金企业集团特殊材料公司 | Magnetic leakage stopper |
| CN1018474B (en) * | 1991-03-09 | 1992-09-30 | 山东省特种粘接技术研究所 | Rapid leakage-blocking method for pressure bearing installation and apparatus thereof |
| JPH10332073A (en) * | 1997-05-27 | 1998-12-15 | Sumitomo Metal Ind Ltd | Repairing method of gas flow pipe |
| CN1259474A (en) * | 1999-12-16 | 2000-07-12 | 金雹峰 | Magnetic pressure leak blockage device |
-
2003
- 2003-07-29 CN CNB03130480XA patent/CN100375857C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865366A (en) * | 2012-10-08 | 2013-01-09 | 中国人民解放军军事交通学院 | Strong-magnet leakage stopping plug |
| CN105333256A (en) * | 2015-09-25 | 2016-02-17 | 重庆燕蓝科技有限公司 | Telescopic connection pipe for vehicle-mounted water tank |
| CN106907545A (en) * | 2017-04-18 | 2017-06-30 | 中国石油大学(华东) | Gas oil pipe leakage oil gas fast-collection device |
| CN110553114A (en) * | 2018-06-02 | 2019-12-10 | 张一虎 | Diversion type leaking stoppage base and quick connecting structure |
| CN111438420A (en) * | 2020-04-17 | 2020-07-24 | 中船黄埔文冲船舶有限公司 | A trompil device for spending pipe on trunk line |
| CN112372250A (en) * | 2020-11-16 | 2021-02-19 | 广东理标信息科技有限公司 | Processing method of strong magnetic plugging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100375857C (en) | 2008-03-19 |
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