CN102644829A - Rubber composite material for plugging leakage of underwater pipeline - Google Patents
Rubber composite material for plugging leakage of underwater pipeline Download PDFInfo
- Publication number
- CN102644829A CN102644829A CN2012100969393A CN201210096939A CN102644829A CN 102644829 A CN102644829 A CN 102644829A CN 2012100969393 A CN2012100969393 A CN 2012100969393A CN 201210096939 A CN201210096939 A CN 201210096939A CN 102644829 A CN102644829 A CN 102644829A
- Authority
- CN
- China
- Prior art keywords
- rubber
- layer
- rubber composite
- pipeline
- moulding
- 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 title claims abstract description 81
- 239000005060 rubber Substances 0.000 title claims abstract description 81
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 45
- 238000002156 mixing Methods 0.000 claims description 23
- 238000000465 moulding Methods 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 239000004744 fabric Substances 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 14
- 238000004073 vulcanization Methods 0.000 claims description 14
- 239000004677 Nylon Substances 0.000 claims description 13
- 239000006229 carbon black Substances 0.000 claims description 13
- 229920001778 nylon Polymers 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 8
- 229920000459 Nitrile rubber Polymers 0.000 claims description 8
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 7
- 239000004840 adhesive resin Substances 0.000 claims description 6
- 229920006223 adhesive resin Polymers 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 229920000298 Cellophane Polymers 0.000 claims description 4
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 235000010980 cellulose Nutrition 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 2
- 239000001856 Ethyl cellulose Substances 0.000 claims description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 2
- 229920001249 ethyl cellulose Polymers 0.000 claims description 2
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 2
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 2
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 2
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 229920000609 methyl cellulose Polymers 0.000 claims 1
- 239000001923 methylcellulose Substances 0.000 claims 1
- 235000010981 methylcellulose Nutrition 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 11
- 235000019241 carbon black Nutrition 0.000 description 9
- 235000021355 Stearic acid Nutrition 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 6
- 239000008117 stearic acid Substances 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 4
- 239000005662 Paraffin oil Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- LQLQDKBJAIILIQ-UHFFFAOYSA-N Dibutyl terephthalate Chemical compound CCCCOC(=O)C1=CC=C(C(=O)OCCCC)C=C1 LQLQDKBJAIILIQ-UHFFFAOYSA-N 0.000 description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 2
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003305 oil spill Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Abstract
The invention relates to the field of composite materials, particularly provides a rubber composite material for plugging the leakage of an underwater pipeline, which is mainly used for plugging the leakage of the underwater pipeline, particularly for temporarily plugging the leakage of a submarine petroleum pipeline; and the rubber composite material can effectively plug the leakage and the cracks of the submarine pipeline, the damage of the pipeline caused by bending and the like. The composite material comprises a seal layer, an inflated layer and a coated layer. Pressure is produced to the sealed layer by inflating the inflated layer, the seal layer seals, and the coated layer can effectively prevent external expansion when in inflation and can be self-adhered in water without any extra fixing measure. According to the invention, the rubber composite material for plugging the leakage of the underwater pipeline is convenient to construct underwater, and has very strong adaptability to the plugging of the leakage of the underground pipeline in various forms.
Description
Technical field
The present invention relates to field of compound material, especially provide a kind of underwater line to leak the shutoff rubber composite.
Background technique
Submarine pipeline is to be laid under water or to be embedded in the pipeline of the transfer oil, rock gas, water etc. of seabed certain depth, and the appearance of seabed or submarine pipeline is for the transportation of above-mentioned substance provides more facility; Reduced the cost of transportation, but because residing environment is more special, the anticorrosive coat of pipeline is damaged easily; Receive extraneous electrochemical corrosion etc., cause occurring weak spot, under manifold pressure or external force effect, break; Moreover at the long term of seawater surge, fatigue stress, thus breaking of pipeline appears; And in a single day pipeline breaks because it is under water or the seabed maintenance cost height and complicated operation.
Leakage form to multiple pipeline; Developed multiple blocking technology both at home and abroad; Comprise clip leak-stopping technology, steel band tension technology, tie up technology, agent injecting type sealing technique etc. fast, these leakage stopping technologies and product have adaptability preferably in the blocking construction of pipeline by land, but that these blocking technologies are constructed under water is comparatively difficult; And it is limited to different leakage situation adaptability, especially very difficult for the breach shutoff that causes because of the pipeline bending.Patent 200810049355 has been announced a kind of inflating rubber leak stoppage bag, utilizes and draws lock device bundling belt binding back inflation sealing; Patent 200620072550 has been announced a kind of inflation sealing device, and critical piece is an air bag, and the arranged outside of air bag has the fixing belt that makes air bag fixing, and the inboard of air bag is provided with rubber pad, mainly solves the storage tank escape of liquid; Patent 02262495 discloses a kind of Leakage blocking air cushion, with implementing sealing behind the wire rope fixed air pad gas.The leakage stopping technology that above-mentioned patent is announced mainly be applicable to the leakage situation that the pipeline, storage tank etc. of land occur, and for the underwater line leak stopping, construction is difficulty very, and limited for the complicated damaged situation applicability of underwater line.
Summary of the invention
The present invention is based on above-mentioned reason; Provide a kind of underwater line to leak the shutoff rubber composite; Be mainly used in the shutoff that underwater line leaks; Especially the subsea petroleum pipeline interim shutoff of leaking, the destruction situation such as breakage that this rubber composite causes for submerged pipeline leak, breach and because of the pipeline bending can be carried out effective shutoff.Composite material is made up of sealing layer, airflow layer and clad; Through inflation produces pressure to sealing layer to airflow layer, implement sealing by sealing layer, the outside expansion when clad then can effectively stop inflation; Clad has self adhesive in the water, need not extra fixation.The present invention is easy construction under water, and the shutoff that the underwater line of various forms is leaked has very strong adaptability.
Concrete technological scheme of the present invention is:
A kind of underwater line leaks shutoff use rubber composite, and this rubber composite is respectively sealing layer, airflow layer and clad from inside to outside, trilaminate material respectively after the moulding through tackiness agent this rubber composite of acquisition that adheres to each other;
Its working principle is, rubber composite is coated on the pipeline place of leakage, through connecting tracheae to airflow layer inflation pressurization in the composite material; Airflow layer is implemented sealing and plugging with propagation of pressure to sealing layer; Because the skin of clad and airflow layer is folder cloth structure, the effect of the proof pressure of folder cloth structure is higher than internal layer rubber during inflation, can limit outside expansion; And then the pressure that guarantees airflow layer effectively transmits to sealing layer; Clad bonds together after twining multilayer voluntarily, can stop contingent the freeing in airflow layer inflation back.
Wherein said sealing layer be crude rubber with mainly by carbon black and vulcanzing agent form to cooperate system to carry out mixing; Pass through the rubber material of molded vulcanization moulding then; The one side of sealing layer is the plane, projection striped and bridging arrangement that another side has semicircle clathrate to distribute; It is crude rubber that carbon black that is wherein adopted and vulcanzing agent etc. all adopt existing technology, concrete proportioning raw materials: carbon black: vulcanzing agent=100: 40-70: 2-5, concrete mixing and molded vulcanization can adopt " Wang Yonggang; Li Chaoqin; carbon black filled butyl rubber Research of dynamic mechanical, world rubber industry, 2010; Vo1.37 No.10:10～14; " Introduced in the document the mixing of rubber with and the molded vulcanization method, in the molded vulcanization technology of following airflow layer, proportioning raw materials and concrete mixing and molded vulcanization are technological all can be undertaken by above-mentioned record; Wherein sealing layer and airflow layer prepare adopt in the process vulcanzing agent be DCP, cumyl peroxide just.
Wherein, one side on plane directly contacts pipeline when sealing layer is coated on pipe surface, the projection striped that the surface distributed of sealing layer opposite side has semicircle clathrate to distribute; The two ends of sealing layer are designed with bridging arrangement; The overlap of wedge shape overlaps, and can not cause uneven thickness or the space occur because of overlap joint, and the striped that the semicircle clathrate of the projection on sealing layer surface distributes is when implementing sealing; Can be be divided into a plurality of sealing units by sealing surface; Under the pressure of airflow layer, semicircular projection generation compressive strain produces bigger sealing force.This projection striped has better adaptability and sealing for the irregular surface of pipeline simultaneously.
Described airflow layer is the rubber material with hollow structure, and is provided with inflating nozzle, and valve communicates with the cavity of hollow, and the airflow layer two ends are provided with bridging arrangement; Its concrete preparation method is: at first with crude rubber with mainly by carbon black and vulcanzing agent form to cooperate system to carry out mixing; Mixing back thick mixed sheet of moulding 2-3m in mill when the molded vulcanization moulding, is tiled in one deck mixed sheet in the mould earlier; The cellophane that will be used for the moulding hollow cavity then is tiled in film; And then tiling last layer mixed sheet, the nylon cloth or the cotton that will scribble elastomeric compound then are tiled on the outer film again, then molded vulcanization moulding airflow layer core rod forming; The above-mentioned nylon cloth that scribbles elastomeric compound or the preparation method of cotton are: the ratio of airflow layer elastomeric compound according to 1: 2 is dissolved in gasoline or the toluene; Stir, evenly be coated on nylon cloth or the cotton then, dry and to use.
Described clad; Form by self adhesive is rubber combined in nylon cloth or cotton and the water; Concrete grammar is coated in the two sides of nylon cloth or cotton then for the part by weight of the self adhesive rubber that mixes according to 1: 2 is dissolved in gasoline or the toluene, can obtain after drying.
The self adhesive rubber that is wherein adopted in the clad be crude rubber with water in the elastomeric compound that cooperates system to form of self adhesive resin and carbon black; Concrete preparation method is: 100 parts of rubber and 50 parts of carbon blacks are mixing even in mill; Add self adhesive resin 10-50 part in the entry then, mixing repeatedly to evenly getting final product; And the polymeric compound with ether structure that celluloses such as self adhesive resin nail base cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethylcellulose, hydroxypropyl methylcellulose are processed in the water that is adopted; This resin has fabulous moisture absorption and self adhesive; Can precipitate into rubber covering after meeting water, twine when coating, can hold tightly together two-layer; And when receiving the pressure of airflow layer, bonding more tight.
In above-mentioned each layer:
Described sealing layer thickness is 2-10mm, and the rubber after the moulding of being adopted, its shore hardness is at the 30-50 degree, tensile strength>=5MPa, elongation at break>=300%, compression set≤20%;
Rubber after the moulding that described airflow layer adopted, its shore hardness is at the 50-80 degree, tensile strength >=10MPa, elongation at break >=300%;
Described coating thickness is 0.2-1mm, is strip, and width is identical with sealing layer and airflow layer, and length is 3-4 times of institute's coating pipeline girth, so just can conveniently coat operation.
The tackiness agent that adopts between each layer is a solvent type adhesive; Be selected from neoprene adhesive or SBS tackiness agent; Concrete adhesive bonding method is: tackiness agent evenly is coated with the planar surface of surplus sealing layer, the upper and lower surfaces of airflow layer and a surface (clad only at one end is coated with and the airflow layer area identical) of clad, treat that solvent evaporates to a certain degree after, bond according to sealing layer, airflow layer, clad from top to bottom; Compacting can get required leakage shutoff after fully bonding and use rubber composite.
The crude rubber of said sealing layer and airflow layer is selected from nitrile butadiene rubber or neoprene or natural rubber or ethylene propylene rubber; Best, the crude rubber of said sealing layer is selected from oil resistance nitrile butadiene rubber preferably, so just can be more suitable for the crude oil leakage pipeline outer wall; The crude rubber of said airflow layer is selected from sea water resistance performance ethylene propylene rubber preferably, improves the tolerance to seawater and surrounding enviroment, improves the effect of shutoff.
And the crude rubber of the self adhesive rubber that is adopted in the said clad is selected from nitrile butadiene rubber or neoprene or natural rubber or ethylene propylene rubber.Wherein more because its residing environment under water, preferably adopts ethylene propylene rubber.
Above-mentioned underwater line leaks shutoff and uses the method for using of rubber composite to be: under water rubber composite is coated a circle, carry out multi-lay winding with clad then and coat compacting.
In sum; The invention provides a kind of underwater line and leak the shutoff rubber composite; Be mainly used in the shutoff that underwater line leaks; Especially the subsea petroleum pipeline interim shutoff of leaking, the destruction situation such as breakage that this rubber composite causes for submerged pipeline leak, breach and because of the pipeline bending can be carried out effective shutoff.Clad has self adhesive in the water, need not extra fixation.The present invention is easy construction under water, and the shutoff that the underwater line of various forms is leaked has very strong adaptability.
Description of drawings
Fig. 1 is a sealing layer structural representation in the said composite material;
Fig. 2 is an A-A sectional view among Fig. 1;
Fig. 3 is a B-B sectional view among Fig. 1;
Fig. 4 is an airflow layer structural representation in the said composite material;
Fig. 5 is an A-A cutaway view Amplified image among Fig. 4;
Among the figure, 1 is the projection striped, and 2 is bridging arrangement, and 3 is valve, and 4 is cavity, and 5 is rubber layer, and 6 for scribbling the nylon cloth or the cotton layer of elastomeric compound.
Embodiment
Further specify the present invention through concrete preparation embodiment and biological test example below, still, be to be understood that into, these embodiments and Test Example are only used for the usefulness of explanation more in detail particularly, are used for limiting in any form the present invention and should not be construed as.
The preparation of sealing layer:
Cooperation system set of dispense is than (weight portion): nitrile butadiene rubber, 100; Semi-reinforcing hydrocarbon black, 45; Zine oxide, 5; Stearic acid, 1; DCP, 2.4; Antioxidant 4010NA, 3; The terephthalic acid dibutyl ester, 12;
Preparation process: with mill nitrile butadiene rubber is plasticated 5 times, adds zine oxide and stearic acid, mixing evenly after; Add antioxidant 4010NA; It is mixing evenly to add carbon black then, adds the terephthalic acid dibutyl ester again, and it is mixing evenly to add DCP at last; After Bao Tongsan time, it is for use to go out the uniform mixed sheet of thickness.
Utilizing pressure is 50 tons vulcanizing press molded vulcanization moulding (vulcanzing agent is DCP), and concrete parameter is 160 ℃ of temperature, pressure 20MPa, time 10min.
The projection striped that the surperficial semicircle clathrate of sealing layer distributes is by mould-forming, and the bridging arrangement of two ends wedge shape is by mould-forming, and said mould adopts prior art for preparing.
The performance of the sealing layer rubber material that is obtained is: thickness is 6mm, and shore hardness is in 45 degree, tensile strength 7.5MPa, elongation at break 360%, compression set 17.50%.
The preparation of airflow layer:
Cooperation system set of dispense is than (weight portion): ethylene propylene diene rubber, 100; Semi-reinforcing hydrocarbon black, 70; Zine oxide, 5; Stearic acid, 1; DCP, 4; Paraffin oil, 1;
Preparation process: with mill ethylene propylene diene rubber is plasticated 5 times, adds zine oxide and stearic acid, mixing evenly after, add that carbon black is mixing evenly to add paraffin oil again, it is mixing evenly to add DCP at last, Bao Tongsan all over after, it is for use to go out the uniform mixed sheet of thickness.
Utilizing pressure is 50 tons vulcanizing press molded vulcanization moulding (vulcanzing agent is DCP), and concrete parameter is 160 ℃ of temperature, pressure 15MPa, time 15min.When the molded vulcanization moulding; Earlier one deck mixed sheet is tiled in the mould; The cellophane that will be used for the moulding hollow cavity then is tiled in film; And then tiling last layer mixed sheet, the nylon cloth or the cotton that will scribble elastomeric compound then are tiled on the outer film molded vulcanization moulding airflow layer again.The inflating nozzle passage is by the core rod forming that links to each other with cellophane.
Wherein saidly scribble the nylon cloth of elastomeric compound or the preparation method of cotton is: the ratio of airflow layer elastomeric compound according to 1: 2 is dissolved in gasoline or the toluene, stirs, evenly be coated on nylon cloth or the cotton then, dry and get final product.
The performance of the rubber material after the airflow layer moulding that is obtained is that shore hardness is at 70 degree, tensile strength 12MPa, elongation at break >=260%.
The preparation of clad:
Cooperation system set of dispense is than (weight portion): ethylene propylene diene rubber, 100; Semi-reinforcing hydrocarbon black, 50; Zine oxide, 5; Stearic acid, 1; Paraffin oil, 1; Hydroxypropyl cellulose, 30;
Preparation process: with mill ethylene propylene diene rubber is plasticated 5 times, adds zine oxide and stearic acid, mixing evenly after; Add that semi-reinforcing hydrocarbon black is mixing evenly to add paraffin oil again, it is mixing evenly to add hydroxypropyl cellulose at last; After Bao Tongsan time, go out the uniform mixed sheet of thickness.Mixed sheet is dissolved in the gasoline according to 1: 2 ratio, evenly is coated in the two sides of nylon cloth then, can obtain after drying.Wherein said mixing technology is an existing technology.
The coating thickness that is obtained is 0.2-1mm, is strip, construction for ease, and generally being made into width is 0.2 meter to 2 meters, length is 0.3 meter to 5 meters do not wait rectangular, so just can conveniently coat operation.
The preparation of rubber composite:
Utilize neoprene adhesive to bond together sealing layer, airflow layer and clad and obtain this rubber composite.Concrete adhesive bonding method is: tackiness agent evenly is coated with the planar surface of surplus sealing layer, the upper and lower surfaces of airflow layer and a surface of clad; Clad only at one end is coated with and the airflow layer area identical; After treating that solvent evaporates to a certain degree; Bond according to sealing layer, airflow layer, clad from top to bottom, compacting can get required leakage shutoff after fully bonding and use rubber composite.The not bonding part that grows of clad is crimped onto together and gets final product.
Embodiment 5
The application of rubber composite:
In the underwater construction process,, coat pipeline one circle, firmly twine the 3-4 circle with long clad then, twine and firmly compress clad after finishing, use between each layer of clad to be bonded together the rent of the central position align with tube of rubber composite.Then, utilize the charger on the water surface ship to inflate for airflow layer, when airflow layer air pressure surpasses pipeline leakage pressure, stop inflation, at this moment, rubber composite has been implemented sealing to pipeline breaking place.
Embodiment 6
The inventor adopts rubber composite of the present invention that the shutoff test has been carried out in the leak point of 10 meters depths of submarine transport oil pipeline, the leak point be on the pipeline because of corrosion cause irregularly shaped, manifold pressure is 0.35MPa; After the diver implements to coat under water, utilize the air compressor inflation on the water surface ship, when inflation pressure reaches 0.45MPa; The leak point is by complete shutoff; Keep after 72 hours, plugging effect is still good, and not finding has oil spill to go out.
Claims (10)
1. rubber composite is used in a underwater line leakage shutoff; It is characterized in that; Described rubber composite is respectively sealing layer, airflow layer and clad from inside to outside, and trilaminate material adheres to each other through tackiness agent after the moulding respectively and obtains this rubber composite;
Wherein said sealing layer be crude rubber with mainly by carbon black and vulcanzing agent form to cooperate system to carry out mixing; Pass through the rubber material of molded vulcanization moulding then; The one side of sealing layer is the plane, projection striped and bridging arrangement that another side has semicircle clathrate to distribute;
Described airflow layer is the rubber material with hollow structure, and is provided with inflating nozzle, and valve communicates with the cavity of hollow, and the airflow layer two ends are provided with bridging arrangement; Its concrete preparation method is: at first with crude rubber with mainly by carbon black and vulcanzing agent form to cooperate system to carry out mixing; Mixing back thick mixed sheet of moulding 2-3m in mill; When the molded vulcanization moulding; Earlier one deck mixed sheet is tiled in the mould, the cellophane that will be used for the moulding hollow cavity then is tiled in film, and then tiling last layer mixed sheet; The nylon cloth or the cotton that will scribble elastomeric compound then are tiled on the outer film again, then molded vulcanization moulding airflow layer core rod forming;
Described clad; Form by self adhesive is rubber combined in nylon cloth or cotton and the water; Concrete grammar is coated in the two sides of nylon cloth or cotton then for the self adhesive rubber that mixes is dissolved in gasoline or the toluene according to weight ratio at 1: 2, can obtain after drying.
2. rubber composite according to claim 1 is characterized in that:
Described sealing layer thickness is 2-10mm, and the rubber after the moulding of being adopted, its shore hardness is at the 30-50 degree, tensile strength>=5MPa, elongation at break>=300%, compression set≤20%;
Rubber after the moulding that described airflow layer adopted, its shore hardness is at the 50-80 degree, tensile strength >=10MPa, elongation at break >=300%;
Described coating thickness is 0.2-1mm, is strip, and width is identical with sealing layer and airflow layer, and length is 3-4 times of institute's coating pipeline girth.
3. rubber composite according to claim 1; It is characterized in that: the self adhesive rubber that is adopted in the clad be crude rubber with water in the elastomeric compound that cooperates system to form of self adhesive resin and carbon black; Concrete preparation method is: 100 parts of rubber and 50-70 part carbon black are mixing even in mill; Add self adhesive resin 10-50 part in the entry then, mixing repeatedly to evenly getting final product.
4. rubber composite according to claim 3 is characterized in that: the self adhesive resin is one or more in methyl cellulose, carboxymethyl cellulose, ethyl cellulose, benzyl cellulose, hydroxyethylcellulose, the hydroxypropyl methylcellulose in the described water.
5. rubber composite according to claim 1 is characterized in that: described tackiness agent is a solvent type adhesive, is selected from neoprene adhesive or SBS tackiness agent.
6. rubber composite according to claim 1 is characterized in that: the crude rubber of said sealing layer and airflow layer is selected from nitrile butadiene rubber or neoprene or natural rubber or ethylene propylene rubber.
7. according to claim 1 or 6 described rubber composites, it is characterized in that: the crude rubber of said sealing layer is selected from nitrile butadiene rubber; The crude rubber of said airflow layer is selected from ethylene propylene rubber.
8. rubber composite according to claim 3 is characterized in that: the crude rubber of said self adhesive rubber is selected from nitrile butadiene rubber or neoprene or natural rubber or ethylene propylene rubber.
9. rubber composite according to claim 8 is characterized in that: the crude rubber of said self adhesive rubber is selected from ethylene propylene rubber.
10. the described underwater line leakage of claim 1 shutoff uses the method for using of rubber composite to be: under water rubber composite is coated a circle, carry out multi-lay winding with clad then and coat compacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100969393A CN102644829B (en) | 2012-04-05 | 2012-04-05 | Rubber composite material for plugging leakage of underwater pipeline and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100969393A CN102644829B (en) | 2012-04-05 | 2012-04-05 | Rubber composite material for plugging leakage of underwater pipeline and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102644829A true CN102644829A (en) | 2012-08-22 |
| CN102644829B CN102644829B (en) | 2013-10-30 |
Family
ID=46657832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100969393A Expired - Fee Related CN102644829B (en) | 2012-04-05 | 2012-04-05 | Rubber composite material for plugging leakage of underwater pipeline and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102644829B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465560A (en) * | 2013-09-13 | 2013-12-25 | 东港久久胶业有限公司 | Sensor membrane and preparation method thereof |
| CN106655068A (en) * | 2016-10-14 | 2017-05-10 | 国家电网公司 | Flexible pipeline clogging device |
| CN106990204A (en) * | 2017-05-19 | 2017-07-28 | 云南中烟工业有限责任公司 | The Pressure chamber and its encapsulating method of a kind of cigarette smoking machine |
| CN110359421A (en) * | 2019-07-30 | 2019-10-22 | 沈阳化大高分子材料研发中心有限公司 | A kind of long life high-voltage water blockoff rubber pneumatic bag and production technology |
| CN111638008A (en) * | 2020-06-01 | 2020-09-08 | 广东电网有限责任公司 | SF6 equipment sealing flange gas leakage detection device and application method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0370108A1 (en) * | 1987-10-05 | 1990-05-30 | Tokyo Gas Kabushiki Kaisha | Lining material of pipeline |
| CN2454324Y (en) * | 2000-10-23 | 2001-10-17 | 西安新竹防灾救生设备有限公司 | Air-inflating leakage-blocking-up sealing bag |
| CN101251219A (en) * | 2008-03-14 | 2008-08-27 | 李克 | Inflating rubber leak stoppage bag |
| KR20100017046A (en) * | 2008-08-05 | 2010-02-16 | (주)동영이엔씨 | Pipe repairing device and method of repairing pipe with use thereof |
| KR101020932B1 (en) * | 2010-11-30 | 2011-03-09 | 주식회사 다샘 | A repairing method for used fresh and waste water pipe with thermosetting resin immersion tube using u-type flexible tube feeder-tube union itself turn inside out insertion device |
| WO2011082478A1 (en) * | 2010-01-08 | 2011-07-14 | Kerr Huber Industries, Inc. | Pipe repair device |
-
2012
- 2012-04-05 CN CN2012100969393A patent/CN102644829B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0370108A1 (en) * | 1987-10-05 | 1990-05-30 | Tokyo Gas Kabushiki Kaisha | Lining material of pipeline |
| CN2454324Y (en) * | 2000-10-23 | 2001-10-17 | 西安新竹防灾救生设备有限公司 | Air-inflating leakage-blocking-up sealing bag |
| CN101251219A (en) * | 2008-03-14 | 2008-08-27 | 李克 | Inflating rubber leak stoppage bag |
| KR20100017046A (en) * | 2008-08-05 | 2010-02-16 | (주)동영이엔씨 | Pipe repairing device and method of repairing pipe with use thereof |
| WO2011082478A1 (en) * | 2010-01-08 | 2011-07-14 | Kerr Huber Industries, Inc. | Pipe repair device |
| KR101020932B1 (en) * | 2010-11-30 | 2011-03-09 | 주식회사 다샘 | A repairing method for used fresh and waste water pipe with thermosetting resin immersion tube using u-type flexible tube feeder-tube union itself turn inside out insertion device |
Non-Patent Citations (2)
| Title |
|---|
| 《世界橡胶工业》 20101015 王永刚等 "炭黑填充丁基橡胶动态力学性能研究" 第37卷, 第10期 * |
| 王永刚等: ""炭黑填充丁基橡胶动态力学性能研究"", 《世界橡胶工业》, vol. 37, no. 10, 15 October 2010 (2010-10-15) * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103465560A (en) * | 2013-09-13 | 2013-12-25 | 东港久久胶业有限公司 | Sensor membrane and preparation method thereof |
| CN103465560B (en) * | 2013-09-13 | 2016-05-11 | 东港久久胶业有限公司 | The preparation method of sensor diaphragm |
| CN106655068A (en) * | 2016-10-14 | 2017-05-10 | 国家电网公司 | Flexible pipeline clogging device |
| CN106990204A (en) * | 2017-05-19 | 2017-07-28 | 云南中烟工业有限责任公司 | The Pressure chamber and its encapsulating method of a kind of cigarette smoking machine |
| CN106990204B (en) * | 2017-05-19 | 2023-09-26 | 云南中烟工业有限责任公司 | Pressure bin for cigarette smoking machine and sealing method thereof |
| CN110359421A (en) * | 2019-07-30 | 2019-10-22 | 沈阳化大高分子材料研发中心有限公司 | A kind of long life high-voltage water blockoff rubber pneumatic bag and production technology |
| CN111638008A (en) * | 2020-06-01 | 2020-09-08 | 广东电网有限责任公司 | SF6 equipment sealing flange gas leakage detection device and application method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102644829B (en) | 2013-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102644829B (en) | Rubber composite material for plugging leakage of underwater pipeline and use method thereof | |
| CN101204770B (en) | Pressure structure clamp and fiber compound material combined reinforcement technology | |
| CN1276024C (en) | Strengthening carbon fiber composite material and method for repairing defective pipeline | |
| CN109630803B (en) | Pipeline repairing device, system and method | |
| CN103899879A (en) | Pipeline connector repair device and method | |
| WO2017092100A1 (en) | Method of transforming double-layered tank without excavation and method of detecting oil leakage | |
| CN102993639B (en) | Prepreg for pipe repair and preparation thereof as well repair material applying prepreg and repair method | |
| CN101876392B (en) | Submarine oil-transportation monolayer heat-insulating pipe joint and processing method thereof | |
| CN102518214A (en) | Impermeable structure applied to concrete pressure container | |
| CN109373061A (en) | Prestressed concrete cylinder pipe end leakage preventing structure and its processing method | |
| CN205036986U (en) | A dash stake hose assembly that is used for self -elevating drilling unit to dash transport high pressure sea water of stake system | |
| CN211624441U (en) | Basement wall pipe waterproof construction | |
| CN109113025B (en) | Method for manufacturing sea filling unit | |
| CN210003959U (en) | kinds of marine oil and gas conveying hose | |
| CN207244872U (en) | A kind of basement high building and annex intersection roof deformation crack structure | |
| CN206816971U (en) | Pipe of concrete with enhancing anchor structure liner plastic sheet | |
| CN101251219A (en) | Inflating rubber leak stoppage bag | |
| CN206234492U (en) | A kind of PCCP pipes pre-stressed carbon fiber reinforcing structure design | |
| CN205655031U (en) | Compound back lining integrated configuration of reinforcement prevention of seepage | |
| CN107806064B (en) | Seamless water stop face plate dam | |
| CN206738736U (en) | Sealing to through the wall set folder | |
| CN110344419A (en) | A kind of high intensity space filling capsule | |
| CN105065803A (en) | Pile-impacting flexible pipe assembly for transporting high-pressure seawater used for self-elevating drilling platform pile-impacting system and preparation method thereof | |
| CN214738872U (en) | Sewer pipeline waterproof structure adopting waterproof coiled material | |
| CN111503418B (en) | Pressurized plugging composite structure and plugging method for gas leakage of underwater pipe gallery with high-pressure gas around |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20160405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |