CN211710190U - Polyether-ether-ketone pipe with good heat preservation effect - Google Patents
Polyether-ether-ketone pipe with good heat preservation effect Download PDFInfo
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- CN211710190U CN211710190U CN201921646557.7U CN201921646557U CN211710190U CN 211710190 U CN211710190 U CN 211710190U CN 201921646557 U CN201921646557 U CN 201921646557U CN 211710190 U CN211710190 U CN 211710190U
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Abstract
The utility model relates to an effectual polyether ether ketone pipe keeps warm, including corrosion-resistant layer, insulating layer and withstand voltage supporting layer, the corrosion-resistant layer is made by the pure polyether ether ketone of high crystallinity, the insulating layer is made by the modified polyether ether ketone of thermal-insulated ceramic nanoparticle, withstand voltage supporting layer is made by long fiber reinforcement polyether ether ketone, and this effectual polyether ether ketone pipe keeps warm has better corrosion resistance and solvent resistance, can carry corrosive liquids; the high-temperature-resistant heat-insulating material has better high-temperature-resistant performance and heat-insulating performance, and can convey high-temperature liquid and effectively insulate heat of the high-temperature liquid; has stronger mechanical strength and can convey high-pressure liquid, thereby having large conveying flow.
Description
Technical Field
The utility model relates to a polyether ether ketone pipe production field, in particular to effectual polyether ether ketone pipe keeps warm.
Background
At present, most of chemical production is integrated industrial production, namely, centralized configuration and centralized heating of certain liquid materials are carried out, and then the liquid materials are respectively conveyed, so that the stability of batches and the improvement of product quality can be ensured. The pipelines used in the high-temperature liquid conveying are mostly made of stainless steel, anodized aluminum or certain plastic, and if the pipelines made of the stainless steel or the anodized aluminum are used, the heat loss is large, the workshop temperature is high, and the comfortable feeling of workers is poor; if the pipeline made of plastic, such as a polypropylene pipeline, is adopted, the plastic material is low in thermal deformation temperature and easy to age and deform after long-term use, so that the pipeline needs to be replaced frequently, and sometimes the pipeline is broken due to early aging to cause liquid leakage; in addition, the plastic material has low strength and can only convey liquid with low pressure, so that the conveying flow is small, and the requirement of large-scale industrial production cannot be met.
Therefore, it is necessary to provide a peek pipe with good thermal insulation effect to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polyether-ether-ketone pipe with good heat preservation effect, which has better corrosion resistance and solvent resistance and can convey corrosive liquid; the high-temperature-resistant composite material has better high-temperature-resistant performance and can convey high-temperature liquid; and has stronger mechanical strength, can convey high-pressure liquid, therefore it is big to convey the flow.
The utility model provides a technical scheme that its technical problem adopted is: the polyether-ether-ketone pipe with good heat preservation effect comprises a corrosion-resistant layer, a heat-insulating layer and a pressure-resistant supporting layer, wherein the corrosion-resistant layer is made of pure polyether-ether-ketone with high crystallinity, the heat-insulating layer is made of polyether-ether-ketone modified by heat-insulating ceramic nano particles, and the pressure-resistant supporting layer is made of long fiber reinforced polyether-ether-ketone.
Specifically, the particle size of the heat-insulating ceramic particles in the heat-insulating layer is less than 35 microns, the heat-insulating ceramic particles are high-porosity ceramic particles with nano-sized closed pores, and the heat-insulating ceramic particles can adopt silicon dioxide, silicon nitride, zirconium oxide, boron nitride, aluminum oxide and the like; wherein the aperture of the nano-pores is less than 50 nanometers, and the porosity is more than 65%; the addition amount of the heat-insulating ceramic particles is 15-40%.
Specifically, the reinforcing fibers in the pressure-resistant support layer can be glass fibers, carbon fibers, Kevlar fibers, PBO fibers, PBI fibers and the like, wherein the length of the reinforcing fibers is 3-5 mm, and the addition amount of the reinforcing fibers is 20-35%.
Specifically, the thickness ratio of the corrosion-resistant layer to the thermal-insulating layer to the pressure-resistant supporting layer is 1:5: 2-4.
The polyether-ether-ketone pipe with good heat preservation effect has the advantages that the pipe has better corrosion resistance and solvent resistance, and can convey corrosive liquid; the high-temperature-resistant heat-insulating material has better high-temperature-resistant performance and heat-insulating performance, and can convey high-temperature liquid and effectively insulate heat of the high-temperature liquid; has stronger mechanical strength and can convey high-pressure liquid, thereby having large conveying flow.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural view of a PEEK pipe with good heat preservation effect;
in the figure: 1. corrosion-resistant layer, 2 insulating layer, 3 withstand voltage supporting layer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the polyetheretherketone pipe with good heat preservation effect comprises a corrosion-resistant layer 1, a thermal-insulation layer 2 and a pressure-resistant support layer 3, wherein the corrosion-resistant layer 1 is made of pure polyetheretherketone with high crystallinity, the thermal-insulation layer 2 is made of polyetheretherketone modified by thermal-insulation ceramic nanoparticles, and the pressure-resistant support layer 3 is made of long fiber reinforced polyetheretherketone.
Specifically, the particle size of the heat-insulating ceramic particles in the heat-insulating layer 2 is less than 35 microns, the heat-insulating ceramic particles are high-porosity ceramic particles with nano-sized closed pores, and the heat-insulating ceramic particles can adopt silicon dioxide, silicon nitride, zirconium oxide, boron nitride, aluminum oxide and the like; wherein the aperture of the nano-pores is less than 50 nanometers, and the porosity is more than 65%; the addition amount of the heat-insulating ceramic particles is 15-40%.
When the pores in the porous material are closed pores and the pore diameter is less than 50 nanometers, the air in the pores loses the free flow capacity to form a vacuum-like state, on one hand, the air does not flow and the convection heat transfer is extremely weak, on the other hand, the collision free stroke of gas molecules is larger than the pore diameter and the molecules do not transfer heat, so the heat conductivity coefficient in the pores is lower than that of the air; by improving the porosity, the thickness of the hole wall is reduced, so that the heat conductivity coefficient is reduced, and the whole heat conductivity coefficient is far lower than that of air; by adding the ceramic particles with the vacuum-like nano-pore texture, the heat conductivity coefficient of the polyetheretherketone can be greatly reduced.
Specifically, the reinforcing fibers in the pressure-resistant support layer 3 may be glass fibers, carbon fibers, Kevlar fibers, PBO fibers, PBI fibers, or the like, wherein the length of the reinforcing fibers is 3 to 5 mm, and the addition amount of the reinforcing fibers is 20 to 35%.
Specifically, the thickness ratio of the corrosion-resistant layer 1, the heat-insulating layer 2 and the pressure-resistant supporting layer 3 is 1:5: 2-4. The material is formed by a three-layer co-extrusion pipe production line with three single-screw extruders, and the thickness of three functional layers of the pipe can be controlled by controlling the extrusion speed of the three extruders. When the thickness ratio of the corrosion-resistant layer 1 to the heat-insulating layer 2 to the pressure-resistant support layer 3 is 1:5:2-4, the pipe has good pressure resistance and excellent heat-insulating effect.
The polyether-ether-ketone pipe with good heat insulation effect has the working principle that: the corrosion-resistant layer 1 is used as a liquid-blocking permeation layer, and is made of pure polyether-ether-ketone material with high crystallinity, so that excellent liquid-blocking capability can be provided, and alkaline substances are prevented from entering the middle layer to damage the heat-insulating ceramic particles;
the heat insulation layer 2 is made of polyether ether ketone modified by heat insulation ceramic nano particles and is mainly used for insulating heat, the powder with high porosity is low in density, so that the volume fraction of the powder which is actually added is relatively high, the heat conductivity coefficient of the heat insulation layer 2 added with 15-40% of the ceramic particles with high porosity is only 0.04-0.07, high-temperature alkaline solution, salt solution, weak-acid solution, high-temperature water, high-temperature heat conduction oil and organic solvent can be conveyed, the service life is long, and the compression strength is high.
The pressure-resistant support layer 3 is made of long-fiber reinforced polyetheretherketone and has a high mechanical strength, for example the strength and modulus of carbon fiber reinforced polyetheretherketone material is almost close to that of aluminium alloy.
Compared with the prior art, the polyether-ether-ketone pipe with good heat insulation effect has better corrosion resistance and solvent resistance, and can convey corrosive liquid; the high-temperature-resistant heat-insulating material has better high-temperature-resistant performance and heat-insulating performance, and can convey high-temperature liquid and effectively insulate heat of the high-temperature liquid; has stronger mechanical strength and can convey high-pressure liquid, thereby having large conveying flow.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The polyether-ether-ketone pipe with good heat preservation effect is characterized by comprising a corrosion-resistant layer, a heat-insulating layer and a pressure-resistant supporting layer, wherein the corrosion-resistant layer is made of pure polyether-ether-ketone with high crystallinity, the heat-insulating layer is made of polyether-ether-ketone modified by heat-insulating ceramic nanoparticles, and the pressure-resistant supporting layer is made of long fiber reinforced polyether-ether-ketone.
2. The PEEK pipe of claim 1, wherein the thermal insulation ceramic particles in the thermal insulation layer have a particle size of less than 35 μm, and are high-porosity ceramic particles with nano-sized closed pores, and the thermal insulation ceramic particles may be silica, silicon nitride, zirconium oxide, boron nitride, or aluminum oxide; wherein the aperture of the nano-pores is less than 50 nanometers, and the voidage is more than 65 percent.
3. The PEEK pipe of claim 1, wherein the reinforcing fibers in the pressure-resistant support layer are glass fibers, carbon fibers, Kevlar fibers, PBO fibers or PBI fibers, and the length of the reinforcing fibers is 3-5 mm.
4. The polyetheretherketone pipe with good thermal insulation of claim 1, wherein the corrosion-resistant layer, the thermal insulation layer and the pressure-resistant support layer have a thickness ratio of 1:5: 2-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646557.7U CN211710190U (en) | 2019-09-29 | 2019-09-29 | Polyether-ether-ketone pipe with good heat preservation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646557.7U CN211710190U (en) | 2019-09-29 | 2019-09-29 | Polyether-ether-ketone pipe with good heat preservation effect |
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| Publication Number | Publication Date |
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| CN211710190U true CN211710190U (en) | 2020-10-20 |
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| CN201921646557.7U Expired - Fee Related CN211710190U (en) | 2019-09-29 | 2019-09-29 | Polyether-ether-ketone pipe with good heat preservation effect |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954471A (en) * | 2021-10-23 | 2022-01-21 | 佛山市达孚新材料有限公司 | Three-layer co-extrusion high-wear-resistance polyether-ether-ketone composite film and preparation method thereof |
| WO2022095042A1 (en) * | 2020-11-09 | 2022-05-12 | 汪玉婷 | Carbon fiber-reinforced polyether ether ketone composite material |
-
2019
- 2019-09-29 CN CN201921646557.7U patent/CN211710190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095042A1 (en) * | 2020-11-09 | 2022-05-12 | 汪玉婷 | Carbon fiber-reinforced polyether ether ketone composite material |
| CN113954471A (en) * | 2021-10-23 | 2022-01-21 | 佛山市达孚新材料有限公司 | Three-layer co-extrusion high-wear-resistance polyether-ether-ketone composite film and preparation method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201020 Termination date: 20210929 |