CN216896184U - High-pressure glass steel tube with heat preservation function - Google Patents
High-pressure glass steel tube with heat preservation function Download PDFInfo
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- CN216896184U CN216896184U CN202220252862.3U CN202220252862U CN216896184U CN 216896184 U CN216896184 U CN 216896184U CN 202220252862 U CN202220252862 U CN 202220252862U CN 216896184 U CN216896184 U CN 216896184U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to the technical field of petroleum transportation, in particular to a high-pressure glass steel tube with a heat preservation function, which comprises a pipeline and a solar power generation assembly, wherein an anti-corrosion layer, an inner insulating layer, a heat preservation layer, an outer insulating layer, a reinforcing layer, a protective layer and the like are arranged outside the pipeline. The anticorrosive coating can play the corrosion prevention effect to the pipeline, and internal insulation layer and external insulation layer separate heater strip and anticorrosive coating and enhancement layer, improve pipeline safety in utilization. The protective layer plays the guard action to pipeline and heat preservation and the enhancement layer on the pipeline, avoids inside each layer to receive outside wearing and tearing, increase of service life.
Description
Technical Field
The utility model relates to the technical field of petroleum transportation, in particular to a high-pressure glass steel pipe with a heat preservation function.
Background
After oil exploitation, the oil needs to be conveyed and stored through a conveying pipeline, and the high-pressure glass steel pipe has the advantages of corrosion resistance, high strength, good thermal performance and the like, so that the high-pressure glass steel pipe serving as the conveying pipeline becomes a better scheme at present.
When the petroleum pipeline is used, if the air temperature is low, petroleum becomes viscous and does not flow easily, so that the petroleum transportation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-pressure glass steel tube with a heat preservation function, and aims to solve the technical problem of poor petroleum fluidity caused by low temperature in the prior art.
In order to solve the technical problem, the high-pressure glass steel tube with the heat insulation function comprises a pipeline and a solar power generation assembly;
the outer peripheral wall of the pipeline is wrapped with an anti-corrosion layer; one surface of the anti-corrosion layer, which is far away from the pipeline, is wrapped with an insulating layer; one surface of the heat-insulating layer, which is far away from the pipeline, is wrapped with a reinforcing layer; one surface of the reinforcing layer, which is far away from the pipeline, is wrapped with a protective layer; an outer insulating layer is arranged between the insulating layer and the reinforcing layer; an inner insulating layer is arranged between the insulating layer and the anticorrosive layer;
the heat-insulating layer is a heating wire; the solar power generation assembly comprises a solar power generation plate, a support column, a base and a storage battery; the solar power generation panel is fixed at the upper end of the supporting column, and the lower end of the supporting column is fixed on the base; the base is hollow, and the storage battery is arranged in the base; the storage battery is electrically connected with the solar power generation board and the heating wire respectively;
the protective layer is provided with a buffer groove and a positioning groove; the buffer plate is provided with a buffer bulge matched with the buffer groove and a positioning convex strip matched with the positioning groove; the length direction of the positioning convex strip is parallel to the central axis of the pipeline; the depth of the positioning groove is greater than that of the buffer groove; the height of the positioning convex strip is greater than that of the buffering bulge; a buffer spring is arranged in the buffer groove; one end of the buffer spring is connected with the buffer bulge, and the other end of the buffer spring is connected with the bottom of the buffer groove.
Furthermore, a limit groove is arranged on the side wall of the buffer groove; the side wall of the buffering bulge is provided with a limiting block; the limiting block is positioned in the limiting groove and can move up and down in the limiting groove.
Furthermore, a plurality of arc-shaped bulges and a plurality of square bulges are uniformly arranged on the inner wall of the pipeline along the circumferential direction at intervals; the arc-shaped protrusions and the square protrusions are arranged in a crossed mode.
Furthermore, two ends of the pipeline are respectively provided with a joint; the joint comprises a connecting sleeve and a plurality of connecting blocks arranged along the circumferential direction of the connecting sleeve at intervals; the connecting sleeve is sleeved at the end part of the pipeline and fixed with the pipeline, and a connecting hole is formed in the connecting block; a positioning column is arranged on the connecting sleeve at one end, and a positioning hole is arranged on the connecting sleeve at the other end; the positioning column is matched with the positioning hole to play a role in positioning the pipeline.
Furthermore, a connecting ring piece is arranged on a connecting sleeve at one end of the pipeline; the connecting ring piece is coaxially fixed with the connecting sleeve; and the connecting ring sheet is sleeved with a sealing ring.
Furthermore, a threading hole is formed in a connecting sleeve at one end of the pipeline; one end of the threading hole is positioned on the outer peripheral wall of the connecting sleeve, and the other end of the threading hole is positioned on the end face, close to the heating wire, of the connecting sleeve; the storage battery is connected with the heating wire through an electric wire; the electric wire passes through the threading hole.
Furthermore, the inner wall of the threading hole is covered with a waterproof layer.
Furthermore, an elastic layer is arranged on the inner wall of the threading hole.
Furthermore, a supporting plate is fixed in the base; the supporting plate is higher than the bottom wall of the base; the storage battery is arranged on the supporting plate.
Furthermore, a fixing groove is formed in the supporting plate, and the side wall of the fixing groove is in an inwards concave arc shape; a fixing plate is arranged on the side wall of the storage battery; one surface of the fixing plate, which is far away from the storage battery, is in an arc shape protruding outwards; the fixing plate is clamped in the fixing groove to fix the storage battery on the supporting plate.
By adopting the technical scheme, the utility model has the following beneficial effects:
according to the high-pressure glass steel tube with the heat preservation function, the anti-corrosion layer, the inner insulating layer, the heat preservation layer, the outer insulating layer, the reinforcing layer and the protective layer are sequentially arranged in the direction from the inner wall to the outer wall of the pipeline, electric energy generated by the solar power generation assembly is stored in the storage battery firstly, when the temperature is low, the storage battery supplies electricity to the heating wire, so that the heating wire heats the pipeline, the temperature of the pipeline is increased, and the phenomenon that petroleum in the pipeline is thickened due to low temperature to affect the fluidity of the petroleum is avoided. Simultaneously, the anticorrosive coating can play the corrosion prevention effect to the pipeline, and inner insulating layer and outer insulating layer separate heater strip and anticorrosive coating and enhancement layer, thereby avoid the heat preservation electric leakage to electrically conduct to other layers, improve pipeline safety in utilization. The reinforcing layer can strengthen the pipeline strength and improve the pipeline strength. The protective layer plays the guard action to heat preservation and the enhancement layer on pipeline and the pipeline, avoids inside each layer to receive external wear, increase of service life.
When the pipe of the present invention is buried under the ground, the buffer plate is pressed by the outer soil layer and moves toward the center of the pipe, and the buffer spring contracts. Can play the effect of buffering external action to the pipeline through buffer board and buffer spring, avoid the pipeline impaired. The cooperation of location sand grip and constant head tank can play the positioning action to the buffer board to the constant head tank degree of depth is greater than the dashpot, avoids buffering protruding because of external force from the dashpot in the roll-off lead to the buffer board to drop.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a high-pressure FRP pipe according to an embodiment of the utility model;
FIG. 2 is a schematic view of a portion of the base of FIG. 1;
FIG. 3 is a partial structural view of the high pressure FRP pipe shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a high-pressure FRP pipe according to another embodiment of the utility model;
FIG. 5 is a schematic structural diagram of a high-pressure FRP pipe according to yet another embodiment of the utility model;
fig. 6 is a schematic structural view of the joint of fig. 5.
Reference numerals:
1-a solar power generation panel; 2-a support column; 3-a base;
4-a support plate; 5-a storage battery; 6-electric wire;
7-a pipeline; 8-an anticorrosive layer; 9-an inner insulating layer;
10-a heat-insulating layer; 11-an outer insulating layer; 12-a reinforcement layer;
13-a protective layer; 14-a fixed plate; 15-arc-shaped bulge;
16-square protrusions; 17-a connection hole; 18-connecting blocks;
19-a sealing ring; 20-connecting ring segments; 21-a connecting sleeve;
22-positioning holes; 23-a limiting block; 24-a buffer plate;
25-a buffer spring; 26-a buffer tank; 27-positioning convex strips;
28-a limiting groove; 29-positioning grooves; 30-buffer bumps.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1 and fig. 3, the high-pressure glass reinforced plastic pipe with a thermal insulation function provided by this embodiment includes a pipeline 7 and a solar power generation assembly;
the outer peripheral wall of the pipeline 7 is wrapped with an anticorrosive layer 8; the surface of the anti-corrosion layer 8, which is far away from the pipeline 7, is wrapped with an insulating layer 10; one side of the heat-insulating layer 10, which is far away from the pipeline 7, is wrapped with a reinforcing layer 12; one side of the reinforcing layer 12, which is far away from the pipeline 7, is wrapped with a protective layer 13; an outer insulating layer 11 is arranged between the insulating layer 10 and the reinforcing layer 12; an inner insulating layer 9 is arranged between the insulating layer 10 and the anticorrosive layer 8;
the heat-insulating layer 10 is a heating wire; the solar power generation assembly comprises a solar power generation plate 1, a support column 2, a base 3 and a storage battery 5; the solar power generation panel 1 is fixed at the upper end of the support column 2, and the lower end of the support column 2 is fixed on the base 3; the base 3 is hollow, and the storage battery 5 is arranged in the base 3; the storage battery 5 is respectively and electrically connected with the solar power generation panel 1 and the heating wires;
the protective layer 13 is provided with a buffer groove 26 and a positioning groove 29; the buffer plate 24 is provided with a buffer bulge 30 matched with the buffer groove 26 and a positioning convex strip 27 matched with the positioning groove 29; the length direction of the positioning convex strip 27 is parallel to the central axis of the pipeline 7; the depth of the positioning groove 29 is greater than that of the buffer groove 26; the height of the positioning convex strip 27 is larger than that of the buffering bulge 30; a buffer spring 25 is arranged in the buffer groove 26; the buffer spring 25 has one end connected to the buffer protrusion 30 and the other end connected to the bottom of the buffer groove 26.
According to the high-pressure glass reinforced plastic pipe with the heat preservation function, the anti-corrosion layer 8, the inner insulating layer 9, the heat preservation layer 10, the outer insulating layer 11, the reinforcing layer 12 and the protective layer 13 are sequentially arranged in the direction from the inner wall to the outer wall of the pipeline 7, electric energy generated by the solar power generation assembly is stored in the storage battery 5 firstly, when the temperature is low, the storage battery 5 is electrified to the heating wire, so that the heating wire heats the pipeline 7, the temperature of the pipeline 7 is increased, and the phenomenon that petroleum in the pipeline 7 is thickened due to low temperature to affect the fluidity of the petroleum is avoided. Simultaneously, anticorrosive coating 8 can play the corrosion prevention effect to pipeline 7, and inner insulating layer 9 and outer insulating layer 11 separate heater strip and anticorrosive coating 8 and enhancement layer 12, thereby avoid heat preservation 10 electric leakage to electrically conduct to other layers, improve pipeline 7 safety in utilization. The reinforcing layer 12 can reinforce the strength of the pipeline 7 and improve the strength of the pipeline 7. The protective layer 13 protects the pipeline 7, the heat insulation layer 10 on the pipeline 7 and the reinforcing layer 12, prevents each layer inside from being worn by the outside, and prolongs the service life.
When the pipe 7 of the present invention is buried under the ground, the buffer plate 24 is pushed by the outer soil layer and moves toward the center of the pipe 7, and the buffer spring 25 contracts. The buffer plate 24 and the buffer spring 25 can buffer the external force of the pipeline 7, and the pipeline 7 is prevented from being damaged. The positioning convex strips 27 and the positioning grooves 29 are matched to play a positioning role on the buffer plate 24, the depth of the positioning grooves 29 is larger than that of the buffer groove 26, and the buffer plate 24 is prevented from falling off due to the fact that the buffer bulges 30 slide out of the buffer groove 26 due to external force.
The corrosion-resistant layer 8 may be a material that functions to prevent corrosion, such as an epoxy primer. The protective layer 13 may be made of glass fiber reinforced plastic or the like, as long as it can protect it. The reinforcing layer 12 may be a reinforcing rib or a steel grid, as long as it can reinforce the strength of the pipeline 7. The insulating layer may be made of a material capable of performing an insulating function. The above invention is not limited.
On the basis of the above embodiment, further, a limiting groove 28 is arranged on the side wall of the buffer groove 26; the side wall of the buffering bulge 30 is provided with a limiting block 23; the stopper 23 is located in the stopper groove 28 and can move up and down in the stopper groove 28. When the buffer spring 25 is extended or compressed, the limiting block 23 moves in the limiting groove 28, and the limiting groove 28 can limit the limiting position of the limiting block 23 moving inwards and outwards, so that the buffer protrusion 30 and the buffer spring 25 are prevented from moving over the limit.
As shown in fig. 4, on the basis of the above embodiment, further, the inner wall of the pipe 7 is provided with a plurality of arc-shaped protrusions 15 and a plurality of square protrusions 16 at even intervals along the circumferential direction thereof; a plurality of arc-shaped protrusions 15 are arranged to cross a plurality of square-shaped protrusions 16. The arc-shaped bulge 15 and the direction bulge are arranged in a crossed manner, so that the flow direction of oil in the pipeline 7 can be continuously changed in the flowing process, the turbulence phenomenon is increased, the laminar flow phenomenon is reduced, the oil adhesion possibility is reduced, and the flow speed is improved.
As shown in fig. 5 and 6, on the basis of the above embodiment, further, two ends of the pipeline 7 are respectively provided with a joint; the joint comprises a connecting sleeve 21 and a plurality of connecting blocks 18 arranged at intervals along the circumferential direction of the connecting sleeve 21; the connecting sleeve 21 is sleeved at the end part of the pipeline 7 and fixed with the pipeline 7, and the connecting block 18 is provided with a connecting hole 17; a positioning column is arranged on the connecting sleeve 21 at one end, and a positioning hole 22 is arranged on the connecting sleeve 21 at the other end; the positioning column is matched with the positioning hole 22 to play a role of positioning the pipeline 7. When two sections of pipelines 7 are connected, the positioning column of one end joint of one section of pipeline 7 is inserted into the positioning hole 22 of one end joint of the other section of pipeline 7, at the moment, the connecting sleeves 21 of the two joints are aligned, the connecting holes 17 on the connecting sleeves 21 are also in an aligned state, and then bolts are inserted into the connecting holes 17 to be matched with nuts to fix the two joints, so that the two sections of pipelines 7 are connected. In this embodiment, the joint is convenient for the two sections of pipelines 7 to be connected and fixed, and can be made into a standard part for convenient use. The cooperation of the positioning columns and the positioning holes 22 can realize the quick positioning and alignment of the two connectors, and the connection speed is improved.
Furthermore, a connecting ring piece 20 is arranged on a connecting sleeve 21 at one end of the pipeline 7; the connecting ring piece 20 and the connecting sleeve 21 are coaxially fixed; the connecting ring piece 20 is sleeved with a sealing ring 19. When two joints on two sections of pipelines 7 are connected, the connecting ring piece 20 is positioned at the joint gap of the two joints, and the sealing ring 19 on the connecting ring piece 20 can seal the gap, so that the sealing performance of the pipeline 7 is improved.
On the basis of the above embodiment, further, a threading hole is arranged on the connecting sleeve 21 at one end of the pipeline 7; one end of the threading hole is positioned on the peripheral wall of the connecting sleeve 21, and the other end of the threading hole is positioned on the end face of the connecting sleeve 21 close to the heating wire; the storage battery 5 is connected with the heating wire through an electric wire 6; the electric wire 6 passes through the threading hole. In this embodiment, electric wire 6 is connected with the heater strip electricity through the through wires hole, and the track in through wires hole can not influence the connection of two joints, still can play the guard action to electric wire 6 simultaneously.
Preferably, the inner wall of the threading hole is covered with a waterproof layer so that the electric wire 6 can be prevented from being wetted.
Preferably, the inner wall of the threading hole is provided with an elastic layer, when the electric wire 6 is thick, after the electric wire 6 penetrates into the threading hole, the elastic layer is compressed by extrusion, so that the electric wire 6 can be more stably fixed in the threading hole. In this embodiment, the arrangement of the elastic layer can properly adjust the size of the threading hole, so that the electric wire fixing device is suitable for electric wires 6 with different sizes, and the applicability is improved.
As shown in fig. 2, in addition to the above embodiment, a support plate 4 is further fixed in the base 3; the supporting plate 4 is higher than the bottom wall of the base 3; the storage battery 5 is disposed on the support plate 4. This separates the battery 5 from the bottom and prevents the battery 5 from getting wet.
Specifically, the supporting plate 4 is provided with a fixing groove, and the side wall of the fixing groove is in an inward concave arc shape; the side wall of the storage battery 5 is provided with a fixing plate 14; the surface of the fixing plate 14 far away from the storage battery 5 is in a convex arc shape; the fixing plate 14 is caught in the fixing groove to fix the storage battery 5 to the support plate 4. The convex arc shape on the fixing plate 14 is matched with the concave arc shape in the fixing groove, so that the fixing plate 14 can be stably clamped into the fixing groove, and the stability of the storage battery 5 on the supporting plate 4 is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The high-pressure glass reinforced plastic pipe with the heat preservation function is characterized by comprising a pipeline and a solar power generation assembly;
the outer peripheral wall of the pipeline is wrapped with an anti-corrosion layer; one surface of the anti-corrosion layer, which is far away from the pipeline, is wrapped with an insulating layer; one surface of the heat-insulating layer, which is far away from the pipeline, is wrapped with a reinforcing layer; one surface of the reinforcing layer, which is far away from the pipeline, is wrapped with a protective layer; an outer insulating layer is arranged between the insulating layer and the reinforcing layer; an inner insulating layer is arranged between the heat-insulating layer and the anticorrosive layer;
the heat-insulating layer is a heating wire; the solar power generation assembly comprises a solar power generation plate, a support column, a base and a storage battery; the solar power generation panel is fixed at the upper end of the supporting column, and the lower end of the supporting column is fixed on the base; the base is hollow, and the storage battery is arranged in the base; the storage battery is electrically connected with the solar power generation board and the heating wire respectively;
the protective layer is provided with a buffer groove and a positioning groove; the buffer plate is provided with a buffer bulge matched with the buffer groove and a positioning convex strip matched with the positioning groove; the length direction of the positioning convex strip is parallel to the central axis of the pipeline; the depth of the positioning groove is greater than that of the buffer groove; the height of the positioning convex strip is greater than that of the buffering bulge; a buffer spring is arranged in the buffer groove; one end of the buffer spring is connected with the buffer bulge, and the other end of the buffer spring is connected with the bottom of the buffer groove.
2. The high-pressure FRP pipe with the heat preservation function as in claim 1, wherein a limiting groove is arranged on the side wall of the buffer groove; the side wall of the buffering bulge is provided with a limiting block; the limiting block is positioned in the limiting groove and can move up and down in the limiting groove.
3. The high-pressure FRP pipe with the heat preservation function of claim 1, wherein the inner wall of the pipeline is provided with a plurality of arc-shaped bulges and a plurality of square bulges at even intervals along the circumferential direction; the arc-shaped protrusions and the square protrusions are arranged in a crossed mode.
4. The high-pressure glass reinforced plastic pipe with the heat preservation function as claimed in claim 1, wherein joints are respectively arranged at two ends of the pipeline; the joint comprises a connecting sleeve and a plurality of connecting blocks arranged along the circumferential direction of the connecting sleeve at intervals; the connecting sleeve is sleeved at the end part of the pipeline and fixed with the pipeline, and a connecting hole is formed in the connecting block; a positioning column is arranged on the connecting sleeve at one end, and a positioning hole is arranged on the connecting sleeve at the other end; the positioning column is matched with the positioning hole to play a role in positioning the pipeline.
5. The high-pressure FRP pipe with the heat preservation function of claim 4, wherein a connecting ring piece is arranged on the connecting sleeve at one end of the pipeline; the connecting ring piece is coaxially fixed with the connecting sleeve; and the connecting ring sheet is sleeved with a sealing ring.
6. The high-pressure FRP pipe with the heat preservation function as claimed in claim 4, wherein a threading hole is arranged on the connecting sleeve at one end of the pipeline; one end of the threading hole is positioned on the outer peripheral wall of the connecting sleeve, and the other end of the threading hole is positioned on the end face, close to the heating wire, of the connecting sleeve; the storage battery is connected with the heating wire through an electric wire; the electric wire passes through the threading hole.
7. The high-pressure FRP pipe with a heat preservation function as claimed in claim 6, wherein the inner wall of the threading hole is covered with a waterproof layer.
8. The high-pressure FRP pipe with a heat preservation function as claimed in claim 6, wherein an elastic layer is arranged on the inner wall of the threading hole.
9. The high-pressure FRP pipe with the function of heat preservation according to claim 1, wherein a support plate is fixed in the base; the supporting plate is higher than the bottom wall of the base; the storage battery is arranged on the supporting plate.
10. The high-pressure FRP pipe with a heat preservation function as claimed in claim 9, wherein the supporting plate is provided with a fixing groove, and the side wall of the fixing groove is in an inward concave arc shape; a fixing plate is arranged on the side wall of the storage battery; one surface of the fixing plate, which is far away from the storage battery, is in an arc shape protruding outwards; the fixing plate is clamped in the fixing groove to fix the storage battery on the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252862.3U CN216896184U (en) | 2022-02-07 | 2022-02-07 | High-pressure glass steel tube with heat preservation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252862.3U CN216896184U (en) | 2022-02-07 | 2022-02-07 | High-pressure glass steel tube with heat preservation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216896184U true CN216896184U (en) | 2022-07-05 |
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ID=82183530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220252862.3U Active CN216896184U (en) | 2022-02-07 | 2022-02-07 | High-pressure glass steel tube with heat preservation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216896184U (en) |
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2022
- 2022-02-07 CN CN202220252862.3U patent/CN216896184U/en active Active
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