CN208565837U - A kind of basalt fibre hybrid composite manner pipe - Google Patents
A kind of basalt fibre hybrid composite manner pipe Download PDFInfo
- Publication number
- CN208565837U CN208565837U CN201820619996.8U CN201820619996U CN208565837U CN 208565837 U CN208565837 U CN 208565837U CN 201820619996 U CN201820619996 U CN 201820619996U CN 208565837 U CN208565837 U CN 208565837U
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- basalt
- layer
- basalt fibre
- hybrid composite
- composite manner
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Abstract
The utility model provides a kind of basalt fibre hybrid composite manner pipe, belongs to composite pipe technical field.It from inside to outside include resin layer, the first basalt fiber, the first glass layer and the second basalt fiber being cascading.In the utility model basalt fibre be it is a kind of with preferable corrosion resistance, waterproof performance, high and low temperature resistance fiber, solve the problems, such as that multiple tube corrosion resistance is bad in the prior art.The test data of embodiment shows that basalt fibre hybrid composite manner pipe provided by the utility model has excellent corrosion resistance.
Description
Technical field
The utility model relates to composite pipe technical field more particularly to a kind of basalt fibre hybrid composite manner pipes.
Background technique
Pipeline is that we are daily commonly using article, is had many uses general, be used primarily in water supply, draining, heat supply, give gas,
In long distance delivery oil and natural gas, agricultural irrigation, hydraulic engineering and various commercial plants, with the continuous development of society,
The specification of pipeline is also to be developed constantly.
In the selection of prior art pipeline, multiple tube usually is prepared using metal, plastics or metal and plastic composition, such as
It is compound that CN103062521A discloses a kind of PE being combined by HDPE core pipe, stainless steel stratum reticulare, PE binder course, modified PE layer
Pipe, CN104676134A disclose a kind of steel-plastics composite pipe, including steel pipe, and the outer surface of steel pipe is equipped with insulating layer, steel pipe it is interior
Surface is equipped with plastic layer.But multiple tube obtained all has that corrosion resistance is bad.
Utility model content
In view of this, having good the purpose of this utility model is to provide a kind of basalt fibre hybrid composite manner pipe
Coating adhesion and acid-alkali-corrosive-resisting performance.
In order to realize above-mentioned purpose of utility model, the utility model the following technical schemes are provided:
A kind of basalt fibre hybrid composite manner pipe includes resin layer, the first basalt being cascading from inside to outside
Fibrous layer, glass layer and the second basalt fiber.
It preferably, further include setting gradually glass outer fibrous layer and third basalt in the second basalt fibre layer surface
Fibrous layer.
Preferably, the resin layer is that phenolic resin-basalt scale resin-rich layer or epoxy resin-basalt scale are rich
Resin layer.
Preferably, the mass content of phenolic resin is 31.15% in the phenolic resin-basalt scale resin-rich layer；
The mass content of epoxy resin is 29.21% in the epoxy resin-basalt scale resin-rich layer, and the phenolic resin-is profound
The mass content of phenolic resin is defined as phenolic resin-basalt scale richness resin for 31.15% in military rock scale resin-rich layer
Layer material, the mass content of epoxy resin is 29.21% to be defined as epoxy in the epoxy resin-basalt scale resin-rich layer
Resin-basalt scale resin-rich layer material.
Preferably, first basalt fiber with a thickness of 2mm, basalt is fine in first basalt fiber
The diameter of dimension is 4.25mm.
Preferably, the glass layer with a thickness of 1.5~5mm, the diameter of glass fibre in the glass layer
For 3.22mm~10.22mm.
Preferably, second basalt fiber with a thickness of 1.5~5mm, it is profound in second basalt fiber
The diameter of military rock fiber is 3.25mm~10.25mm.
Preferably, second basalt fiber is replaced with into carbon fiber layer.
It preferably, further include setting gradually glass outer fibrous layer and outer layer basalt fiber on carbon fiber layer surface.
The utility model provides a kind of basalt fibre hybrid composite manner pipe, from inside to outside includes the tree being cascading
Rouge layer, the first basalt fiber, glass layer and the second basalt fiber.Basalt fibre is one in the utility model
Kind has the fiber of preferable corrosion resistance, waterproof performance, high and low temperature resistance, solves multiple tube corrosion resistant in the prior art
The bad problem of corrosion energy.The test data of embodiment shows basalt fibre hybrid composite manner Guan Mi provided by the utility model
Degree is 1.73~2.19g/cm3, resin content is 29.21~31.22%, and maximum shear stress is up to 206MPa, and axial tension is strong
Degree is 111~153MPa, and hoop tensile strength is 247~463MPa, and bending strength is 312~573MPa, maximum functional internal pressure
For 21~45Mpa, impregnated 10 days in following medium, above-mentioned strength retention ratio is as follows: distilled water: > 99.9%, acetone: >
99.7%, saturated sodium carbonate solution: > 97.3%, 10% sodium hydroxide solution: > 87.5%, 10% ammonia spirit: > 85.7%,
5% hydrochloric acid: > 91.2%, 5% nitric acid: > 90.3%, rigidity property is almost unchanged in above-mentioned medium.
Also, the utility model further includes setting gradually glass outer fibrous layer and in the second basalt fibre layer surface
The basalt fibre hybrid composite manner pipe of three basalt fibers not only has excellent corrosion resistance, while also having cost
Low, radiation protection, wear-resisting performance.
The utility model further includes mixing the basalt fibre that second basalt fiber replaces with carbon fiber layer
Multiple tube not only has excellent corrosion resistance, while also high, conductive, radiation protection the performance with rigidity.
The utility model further includes setting gradually glass outer fibrous layer and outer layer basalt fibre on carbon fiber layer surface
The basalt fibre hybrid composite manner pipe of layer not only has excellent corrosion resistance, while also having at low cost, radiation protection property
Energy.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of basalt fibre hybrid composite manner pipe cross section made from the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of basalt fibre hybrid composite manner pipe cross section made from the utility model embodiment 4.
Specific embodiment
The utility model provides a kind of basalt fibre hybrid composite manner pipe, from inside to outside includes the tree being cascading
Rouge layer, the first basalt fiber, glass layer and the second basalt fiber.
In the present invention, the resin layer is preferably phenolic resin-basalt scale resin-rich layer or epoxy resin-
Basalt scale resin-rich layer.In the present invention, the thickness of the resin layer is preferably 0.5mm.
In the present invention, the mass content of phenolic resin is excellent in the phenolic resin-basalt scale resin-rich layer
It is selected as 31.15%；The mass content of epoxy resin is preferably 29.21% in the epoxy resin-basalt scale resin-rich layer.
In the present invention, the thickness of first basalt fiber is preferably 2mm, first basalt fibre
The diameter of basalt fibre is preferably 4.25mm in layer.
In the present invention, the thickness of the glass layer is preferably 1.5~5mm, more preferably 2~4mm, institute
The diameter for stating glass fibre in glass layer is preferably 3.22mm~10.22mm, more preferably 4.22mm~8.22mm.
In the present invention, the thickness of second basalt fiber is preferably 1~5mm, more preferably 2~3mm,
The diameter of basalt fibre is preferably 3.25mm~10.25mm in second basalt fiber, and more preferably 4.25mm~
6.25mm。
In one embodiment of the utility model, the basalt fibre hybrid composite manner pipe, including be cascading
Epoxy resin-basalt scale resin-rich layer, the first basalt fiber, glass layer and the second basalt fiber.
In the utility model basalt fibre be it is a kind of with preferable corrosion resistance, waterproof performance, high and low temperature resistance fiber,
Solve the problems, such as that multiple tube corrosion resistance is bad in the prior art, basalt fibre hybrid composite manner pipe made from the present embodiment
With excellent corrosion resistance.
In another embodiment of the utility model, the basalt fibre hybrid composite manner pipe, including stack gradually and set
The phenolic resin set-basalt scale resin-rich layer, the first basalt fiber, glass layer and the second basalt fibre
Layer.Basalt fibre hybrid composite manner pipe made from the present embodiment not only has excellent corrosion resistance, while also having fire-retardant
Performance.
Basalt fibre hybrid composite manner pipe provided by the utility model is preferably also included in the second basalt fiber appearance
Face sets gradually glass outer fibrous layer and third basalt fiber.In the present invention, the glass outer fibrous layer
Thickness be preferably 2mm, the thickness of the third basalt fiber is preferably 2mm.
In one embodiment of the utility model, the basalt fibre hybrid composite manner pipe, including be cascading
Epoxy resin-basalt scale resin-rich layer, the first basalt fiber, glass layer, the second basalt fiber, outer
Layer glass layer and third basalt fiber.Basalt fibre hybrid composite manner pipe made from the present embodiment not only has excellent
Corrosion resistance, while also have at low cost, radiation protection, wear-resisting performance.
In the present invention, second basalt fiber is replaced with into carbon fiber layer.In the present invention, institute
State in the thickness and carbon fiber layer of carbon fiber layer the thickness of the diameter of carbon fiber and above-mentioned second basalt fiber and the
The diameter of basalt fibre is consistent in two basalt fibers, and details are not described herein.Basalt fibre made from the present embodiment is mixed
Miscellaneous multiple tube not only has excellent corrosion resistance, while also having the performance of conductive, rigidity height, radiation protection.
In the utility model embodiment, the basalt fibre hybrid composite manner pipe, including the epoxy being cascading
Resin-basalt scale resin-rich layer, the first basalt fiber, glass layer and carbon fiber layer.
In the present invention, it is preferably also included in that carbon fiber layer surface sets gradually glass outer fibrous layer and outer layer is profound
Military rock fibrous layer.In the present invention, the thickness of the glass outer fibrous layer is preferably 1.5mm, the outer layer basalt
The thickness of fibrous layer is preferably 2mm.
In the utility model embodiment, the basalt fibre hybrid composite manner pipe, including the epoxy being cascading
Resin-basalt scale resin-rich layer, the first basalt fiber, glass layer, carbon fiber layer, glass outer fibrous layer with
And outer layer basalt fiber.Basalt fibre hybrid composite manner pipe made from the present embodiment not only has excellent corrosion resistance
Can, while also there is at low cost, radiation protection performance.
The utility model does not have special restriction to the source of each raw material, using city well known to those skilled in the art
Sell commodity.
The utility model additionally provides the preparation method of basalt fibre hybrid composite manner pipe described in above-mentioned technical proposal, including
Following steps:
(1) resin raw material is sprayed on tubular die surface, obtains resin layer；
(2) in the resin layer outer surface that the step (1) obtains successively the first Wet Winding Process basalt fibre, Wet Winding Process
Glass fibre and the second Wet Winding Process basalt fibre obtain molding multiple tube；
(3) the molding multiple tube for obtaining the step (2) solidifies, and obtains basalt fibre hybrid composite manner pipe.
Resin raw material is sprayed on tubular die surface by the utility model, obtains resin layer.The utility model is to the spray
The actual conditions of painting do not have special restriction, can obtain resin layer.In the present invention, the diameter of the pipe embryo is excellent
It is selected as 20~200cm.
In the present invention, the resin raw material preferably uses the preparation side of composition well known to those skilled in the art
Method is made, specific such as phenolic resin-basalt scale resin-rich layer or epoxy resin-basalt scale resin-rich layer.
After obtaining resin layer, the utility model is described in the resin layer outer surface successively the first Wet Winding Process basalt
Fiber, Wet Winding Process glass fibre and the second Wet Winding Process basalt fibre obtain molding multiple tube.The utility model is to described
Wet Winding Process mode and angle do not have special restriction, can obtain first basalt fiber, glass layer and
Two basalt fibers, it is specific if winding angle is 51 ± 2 °.
In the present invention, the solvent that the Wet Winding Process uses is preferably epoxy resin, and the utility model is to described
The dosage of epoxy resin does not have special restriction, can obtain the first basalt fiber, glass layer and the second basalt
Fibrous layer.
In the present invention, the original of first basalt fiber, glass layer and the second basalt fiber
Material preferably carries out vacuum stewing process before carrying out Wet Winding Process.The utility model is to the temperature of the vacuum stewing process, true
Reciprocal of duty cycle and time do not have special restriction, can remove the bubble in each raw material.
In the present invention, the speed of the Wet Winding Process preferably stands alone as 18~20m/min.
In the present invention, the Wet Winding Process carries out preferably in steeping vat.
After obtaining molding multiple tube, the utility model solidifies the molding multiple tube, obtains basalt fibre and mixes again
Close pipe.In the present invention, the cured temperature is preferably 50 DEG C, and the cured time is preferably 150min.
In the present invention, described be solidificated in curing oven carries out.
After the completion of solidification, the utility model preferably by cured product cool to the furnace room temperature obtain basalt fibre mix it is multiple
Close pipe.
When second basalt fiber is replaced with carbon fiber layer, the basalt fibre hybrid composite manner pipe and packet
The preparation method of basalt fibre hybrid composite manner pipe containing the second basalt fiber is similar, only replaces the second basalt fibre
For carbon fiber.
Basalt fibre hybrid composite manner pipe provided by the utility model and preparation method thereof is carried out below with reference to embodiment
Detailed description, but they cannot be interpreted as the restriction to scope of protection of the utility model.
Embodiment 1
Fig. 1 is the structural schematic diagram of basalt fibre hybrid composite manner pipe made from the utility model embodiment 1, wherein 1 is
Resin layer (0.5mm), 2 be the first basalt fiber (2mm), and 3 be glass layer (4mm), and 4 be the second basalt fiber
(3mm), the resin layer are epoxy resin-basalt scale resin-rich layer.
The preparation process of the present embodiment basalt fibre hybrid composite manner pipe is as follows:
Slowly be sufficiently stirred 20 minutes with glue, at 20 DEG C of environment temperature, will mix according to lining resin layer raw material
Good resin layer raw material is sprayed on tubular die surface, forms resin layer.
Carry out continuously and smoothly with glue with blender with 300 revs/min of speed and stir according to structural epoxy resins system
It mixes 8 minutes and obtains complex colloid, vacuum is carried out in 20 DEG C of environment and stands removal to include bubble.
The epoxy-resin systems resin prepared is slowly put into steeping vat.Under tensioner effect, by strip basalt
Fabric by steeping vat, is wound and is coated on completely with 51 ° of angle and have been coated with resin layer with the speed of 18m/min
Tubular die surface, carry out Wet Winding Process.
Under the conditions of same winding process, successively Wet Winding Process glass fibre and basalt fibre, obtain forming compound
Pipe.
Molding multiple tube is removed from wrapping machine, is put into curing oven and solidify up to product.Curing process is 50
DEG C, 150 minutes, room temperature is dropped to furnace, obtains basalt fibre hybrid composite manner pipe.
The relevant parameter of basalt fibre hybrid composite manner pipe made from embodiment 1 is tested, as a result as follows: density is
1.92g/cm3, resin content 29.21%, maximum shear stress is up to 206MPa, axial tensile strength 113MPa, circumferential to draw
Stretching intensity is 258MPa, and bending strength 312MPa, maximum functional internal pressure is 23Mpa, is impregnated 10 days in following medium, above-mentioned
Strength retention ratio is as follows: distilled water: > 99.9%, acetone: and > 99.7%, saturated sodium carbonate solution: > 97.3%, 10% hydroxide
Sodium solution: > 87.5%, 10% ammonia spirit: > 85.7%, 5% hydrochloric acid: > 91.2%, 5% nitric acid: > 90.3%, rigidity property
It is almost unchanged in above-mentioned medium.
Embodiment 2
With embodiment 1 be made basalt fibre hybrid composite manner pipe structure and preparation method it is similar, difference be only that tree
Rouge layer is phenolic resin-basalt scale resin-rich layer, and resin layer 0.5mm, the first basalt fiber is 2mm, glass fibers
Dimension layer is 5mm, and the second basalt fiber is 2mm.
The relevant parameter of basalt fibre hybrid composite manner pipe made from embodiment 2 is tested, as a result as follows: density is
2.19g/cm3, resin content 31.15%, axial tensile strength 121MPa, hoop tensile strength 278MPa, bending is by force
Degree is 328MPa, and maximum functional internal pressure is 23Mpa, is impregnated 10 days in following medium, above-mentioned strength retention ratio is as follows: distillation
Water: > 99.9%, acetone: > 99.7%, saturated sodium carbonate solution: > 97.3%, 10% sodium hydroxide solution: > 87.5%, 10%
Ammonia spirit: > 85.7%, 5% hydrochloric acid: > 91.2%, 5% nitric acid: > 90.3%, rigidity property in above-mentioned medium hardly
Become.
The flame retardant property of basalt fibre hybrid composite manner pipe made from the present embodiment is tested, as a result as follows:
Oxygen index (OI) is greater than 43.
60s vertical combustion: self-extinguishing time 0s, burning length 8.9mm, without dripping off object；
60s, 45 ° of burnings: self-extinguishing time 0s, without dripping off object；
60s, 0 ° of burning: self-extinguishing time 0s, without dripping off object；
Smoke density: < 5.8
Embodiment 3
With embodiment 1 be made basalt fibre hybrid composite manner pipe structure and preparation method it is similar, difference be only that by
Second basalt fiber replaces with carbon fiber layer.
The relevant parameter of basalt fibre hybrid composite manner pipe made from embodiment 3 is tested, as a result as follows: density is
1.73g/cm3, resin content 31.15%, axial tensile strength 183MPa, hoop tensile strength 463MPa, bending is by force
Degree is 573MPa, and maximum functional internal pressure is 45Mpa, is impregnated 10 days in following medium, above-mentioned strength retention ratio is as follows: distillation
Water: > 99.9%, acetone: > 99.7%, saturated sodium carbonate solution: > 97.3%, 10% sodium hydroxide solution: > 87.5%, 10%
Ammonia spirit: > 85.7%, 5% hydrochloric acid: > 91.2%, 5% nitric acid: > 90.3%, rigidity property in above-mentioned medium hardly
Become.
It is insulator to basalt fibre hybrid composite manner pipe made from the present embodiment.
Test can be carried out to the anti-radiation performance of basalt fibre hybrid composite manner pipe made from the present embodiment, as a result such as table 1~3
It is shown, as table 1~3 it is found that basalt fibre hybrid composite manner pipe made from the present embodiment has excellent shielding property.
1 radiation resistance test result of table
The anti-Neutron properties test result of table 2
Mechanical property change rate (irradiation 500kGy) after 3 gamma-ray irradiation of table
| Mechanical property | Change rate (%) |
| Stretch modulus | -3.2 |
| Tensile strength | 7.5 |
| Bending modulus | -2.8 |
| Bending strength | 1.3 |
| Interlaminar shear strength | 0.5 |
| Glass transition temperature | 0 |
Embodiment 4
Fig. 2 is the structural schematic diagram of basalt fibre hybrid composite manner pipe made from the utility model embodiment 4, wherein 1 is
Resin layer (0.5mm), 2 be the first basalt fiber (2mm), and 3 be glass layer (2mm), and 4 be the second basalt fiber
(1mm), 5 be glass outer fibrous layer (2mm), and 6 be third basalt fiber (2mm), and the resin layer is epoxy resin-
Basalt scale resin-rich layer.
The preparation process of the present embodiment basalt fibre hybrid composite manner pipe is as follows:
(1) by resin raw material melting extrusion, pipe embryo is obtained；
(2) the pipe embryo outer surface that the step (1) obtains successively the first basalt fibre of Wet Winding Process, glass fibre,
Second basalt fibre, glass outer fiber and third basalt fibre obtain basalt fibre hybrid composite manner pipe, winding angle
It is 51 °.
The relevant parameter of basalt fibre hybrid composite manner pipe made from embodiment 4 is tested, as a result as follows: density is
1.91g/cm3, resin content 31.22%, axial tensile strength 111MPa, hoop tensile strength 247MPa, bending is by force
Degree is 314MPa, and maximum functional internal pressure is 21Mpa, is impregnated 10 days in following medium, above-mentioned strength retention ratio is as follows: distillation
Water: > 99.9%, acetone: > 99.7%, saturated sodium carbonate solution: > 97.3%, 10% sodium hydroxide solution: > 87.5%, 10%
Ammonia spirit: > 85.7%, 5% hydrochloric acid: > 91.2%, 5% nitric acid: > 90.3%, rigidity property in above-mentioned medium hardly
Become.
The wear-resisting property of basalt fibre hybrid composite manner pipe made from the present embodiment is tested, it is as a result as follows: friction
Coefficient 0.38, wear rate 0.15 × 10-7cm3/(Nm)。
In the case of equal performance, cost reduces by 10%~15%.
Embodiment 5
With embodiment 4 be made basalt fibre hybrid composite manner pipe structure and preparation method it is similar, difference be only that it is profound
The structure of military rock fiber hybrid multiple tube includes the resin layer (0.5mm) stacked gradually, the first basalt fiber (2mm), glass
Glass fibrous layer (1.5mm), carbon fiber layer (2mm), glass outer fibrous layer (1.5mm), outer layer basalt fiber (2mm), institute
Stating resin layer is epoxy resin-basalt scale resin-rich layer.
The relevant parameter of basalt fibre hybrid composite manner pipe made from embodiment 5 is tested, as a result as follows: density is
1.86g/cm3, resin content 30.31%, axial tensile strength 153MPa, hoop tensile strength 375MPa, bending is by force
Degree is 434MPa, and maximum functional internal pressure is 32Mpa, is impregnated 10 days in following medium, above-mentioned strength retention ratio is as follows: distillation
Water: > 99.9%, acetone: > 99.7%, saturated sodium carbonate solution: > 97.3%, 10% sodium hydroxide solution: > 87.5%, 10%
Ammonia spirit: > 85.7%, 5% hydrochloric acid: > 91.2%, 5% nitric acid: > 90.3%, rigidity property in above-mentioned medium hardly
Become.
Test can be carried out to the anti-radiation performance of basalt fibre hybrid composite manner pipe made from the present embodiment, as a result with embodiment
3 result is similar, illustrates that basalt fibre hybrid composite manner pipe made from the present embodiment has excellent shielding property.
In the case of equal performance, cost reduces by 10%~15%.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of basalt fibre hybrid composite manner pipe includes the resin layer being cascading, the first basalt fibre from inside to outside
Tie up layer, glass layer and the second basalt fiber.
2. basalt fibre hybrid composite manner pipe according to claim 1, which is characterized in that further include in the second basalt fibre
Dimension layer outer surface sets gradually glass outer fibrous layer and third basalt fiber.
3. basalt fibre hybrid composite manner pipe according to claim 1, which is characterized in that first basalt fiber
With a thickness of 2mm, the diameter of basalt fibre is 4.25mm in first basalt fiber.
4. basalt fibre hybrid composite manner pipe according to claim 1 or 3, which is characterized in that the glass layer
With a thickness of 1.5~5mm, the diameter of glass fibre is 3.22mm~10.22mm in the glass layer.
5. basalt fibre hybrid composite manner pipe according to claim 1 or 3, which is characterized in that second basalt is fine
Tie up layer with a thickness of 1.5~5mm, the diameter of basalt fibre is 3.25mm~10.25mm in second basalt fiber.
6. basalt fibre hybrid composite manner pipe according to claim 1, which is characterized in that by second basalt fibre
Layer replaces with carbon fiber layer.
7. basalt fibre hybrid composite manner pipe according to claim 6, which is characterized in that further include in the carbon fiber layer
Surface sets gradually glass outer fibrous layer and outer layer basalt fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619996.8U CN208565837U (en) | 2018-04-27 | 2018-04-27 | A kind of basalt fibre hybrid composite manner pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820619996.8U CN208565837U (en) | 2018-04-27 | 2018-04-27 | A kind of basalt fibre hybrid composite manner pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565837U true CN208565837U (en) | 2019-03-01 |
Family
ID=65481681
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820619996.8U Expired - Fee Related CN208565837U (en) | 2018-04-27 | 2018-04-27 | A kind of basalt fibre hybrid composite manner pipe |
Country Status (1)
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| CN (1) | CN208565837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443597A (en) * | 2018-04-27 | 2018-08-24 | 施柏山 | A kind of basalt fibre hybrid composite manner pipe and preparation method thereof |
| CN112762241A (en) * | 2021-01-23 | 2021-05-07 | 西安石油大学 | Corrosion-resistant petroleum pipeline |
-
2018
- 2018-04-27 CN CN201820619996.8U patent/CN208565837U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443597A (en) * | 2018-04-27 | 2018-08-24 | 施柏山 | A kind of basalt fibre hybrid composite manner pipe and preparation method thereof |
| CN112762241A (en) * | 2021-01-23 | 2021-05-07 | 西安石油大学 | Corrosion-resistant petroleum pipeline |
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Granted publication date: 20190301 Termination date: 20200427 |
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