CN218670966U - PSP steel-plastic composite pipe - Google Patents
PSP steel-plastic composite pipe Download PDFInfo
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- CN218670966U CN218670966U CN202222331078.4U CN202222331078U CN218670966U CN 218670966 U CN218670966 U CN 218670966U CN 202222331078 U CN202222331078 U CN 202222331078U CN 218670966 U CN218670966 U CN 218670966U
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Abstract
The utility model provides a PSP steel plastic composite pipe belongs to the pipeline field. Including compound pipe, compound pipe including the welding steel pipe, the inside and outside of welding steel pipe be equipped with the polyethylene plastic layer respectively, the welding steel pipe pass through hot melt adhesive and polyethylene plastic layer fixed connection, the both ends of compound pipe be connected with the connecting pipe respectively, the entrance of compound pipe be equipped with entry filtration, just the entrance of compound pipe still be equipped with the entry filter chamber, the exit of compound pipe be equipped with export filtration, just the exit of compound pipe still be equipped with the export filter chamber.
Description
Technical Field
The utility model belongs to the pipeline field especially relates to a PSP steel is moulded compound pipe.
Background
The PSP steel-plastic composite pipe has the characteristics of high bearing pressure, strong impact resistance and the like, the plastics on the inner layer and the outer layer play a role in corrosion resistance, and the PSP steel-plastic composite pipe has the advantages of smooth inner wall, chemical corrosion resistance, no pollution, small fluid resistance, no scale formation, no microorganism breeding, no secondary pollution to fluid and the like, and is widely applied to occasions of municipal construction water supply, drinking water, fire water, expressway buried drainage and the like in municipal engineering due to good comprehensive performance. In the drainage process, because the aperture of the filtering port of the public facilities is large, foreign particles often flow into the pipeline to cause blockage, and therefore, the filtering structure is added in the pipeline to effectively prevent the foreign particles from entering the pipeline.
For example, the chinese utility model discloses a plastic composite pipe with a PSP steel wire mesh skeleton structure [ application No. CN202121241590.9], which comprises an outer layer polyethylene plastic, a high strength plastic-coated steel wire mesh, a high strength adhesive, an inner layer polyethylene plastic and a filter structure, wherein the inner wall of the outer layer polyethylene plastic is provided with the high strength plastic-coated steel wire mesh, the inner wall of the high strength plastic-coated steel wire mesh on the side away from the outer layer polyethylene plastic is filled with the high strength adhesive, the inner wall of the high strength adhesive on the side away from the high strength plastic-coated steel wire mesh is provided with the inner layer polyethylene plastic, one side inside the inner layer polyethylene plastic is provided with the filter structure, the outer wall of the outer layer polyethylene plastic is sleeved with a protective sleeve, and the central position inside the protective sleeve is provided with a foam base plate; the utility model discloses not only prolong the life of the compound pipe of plastics, improved the application scope of the compound pipe of plastics, ensured the purity of liquid medium when the compound pipe of plastics uses moreover.
However, the filter structure in this application is not easy to disassemble and the foreign particles cannot be quickly removed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a compound pipe is moulded to PSP steel.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the PSP steel-plastic composite pipe comprises a composite pipe, wherein the composite pipe comprises a welded steel pipe, polyethylene plastic layers are respectively arranged on the inner side and the outer side of the welded steel pipe, the welded steel pipe is fixedly connected with the polyethylene plastic layers through hot melt adhesives, connecting pipes are respectively connected to the two ends of the composite pipe, an inlet filtering structure is arranged at the inlet of the composite pipe, an inlet filtering cavity is further arranged at the inlet of the composite pipe, an outlet filtering structure is arranged at the outlet of the composite pipe, and an outlet filtering cavity is further arranged at the outlet of the composite pipe.
In the PSP steel-plastic composite pipe, the inlet filter structure is fixedly disposed on the composite pipe, and the inlet filter cavity is located outside the inlet filter structure and between the composite pipe and the inlet connection pipe.
In the PSP steel-plastic composite pipe, the inlet filter structure comprises a circle of inlet filter screen, the inlet filter screen is fixedly arranged on the welded steel pipe, an inlet blocking plate is fixedly arranged at one end of the inlet filter screen, which is far away from the welded steel pipe, and the inlet filter cavity is positioned outside the inlet filter screen.
In the PSP steel-plastic composite pipe, an outer expanding pipe is fixedly arranged at an inlet of the composite pipe, the inner diameter of the outer expanding pipe is larger than the outer diameter of the composite pipe, the inlet filter screen extends into the outer expanding pipe, the inlet filter cavity is positioned between the inlet filter screen and the outer expanding pipe, and the outer surface of the outer expanding pipe is provided with a thread line and is in threaded connection with the inlet connecting pipe.
In the PSP steel-plastic composite pipe, the outer surface of the inlet blocking plate away from the inlet filter screen is fixedly provided with the flow guide block, the outer surface of the flow guide block is in an inclined plane shape, and the end part of the flow guide block away from the inlet filter screen is in a tip shape.
In the PSP steel-plastic composite pipe, the outlet filter structure comprises a circle of outlet filter screen, one end of the outlet filter screen is connected with the welded steel pipe, the other end of the outlet filter screen is fixedly provided with an outlet blocking plate, and the outlet filter cavity is positioned at the inner side of the outlet filter screen.
In the PSP steel-plastic composite pipe, the outer surface of the outlet of the composite pipe is provided with a thread line and is in threaded connection with an outlet connecting pipe, the outlet filter screen is fixedly arranged in the outlet connecting pipe, and the outlet filter screen is abutted against the welded steel pipe.
In the PSP steel-plastic composite pipe, the outlet blocking plate is fixed on the inner wall of the outlet connecting pipe through a plurality of connecting rods.
In the PSP steel-plastic composite pipe, the outlet filter screen is in a circular truncated cone shape, and the inner diameter of one end, close to the composite pipe, of the outlet filter screen is larger than that of the other end of the composite pipe.
In the PSP steel-plastic composite pipe, the filter screen is provided with a plurality of support rods.
Compared with the prior art, the utility model has the advantages of:
1. the composite pipe has the characteristics of high pressure bearing capacity, strong impact resistance and the like by matching with a PSP steel-plastic composite pipe, the plastics on the inner layer and the outer layer play a role in corrosion resistance, and the composite pipe has the advantages of smooth inner wall, chemical corrosion resistance, no pollution, small fluid resistance, no scale, no microorganism breeding, no secondary pollution to fluid and the like, and also has the functions of filtering and timely removing impurities.
2. After the inlet connecting pipe and the composite pipe are disassembled, impurities can be conveniently taken out, and it is also ensured that no larger impurity particles exist when fluid enters the composite pipe.
3. Along with the dismantlement of export connecting pipe and composite pipe, export filter chamber takes out along with the export connecting pipe, conveniently takes out the impurity granule.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic top view of the filter screen;
fig. 3 is an expanded view of fig. 2.
In the figure: the device comprises a welded steel pipe 10, a polyethylene plastic layer 11, an inlet filtering structure 12, an inlet filtering cavity 13, an outlet filtering structure 14, an outlet filtering cavity 15, an inlet connecting pipe 16, an inlet filtering net 17, an inlet blocking plate 18, an outward expanding pipe 19, a flow guide block 20, an outlet filtering net 21, an outlet blocking plate 22, an outlet connecting pipe 23, a connecting rod 24 and a supporting rod 25.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the composite pipe comprises a welded steel pipe 10, polyethylene plastic layers 11 are respectively arranged on the inner side and the outer side of the welded steel pipe 10, the welded steel pipe 10 is fixedly connected with the polyethylene plastic layers 11 through hot melt adhesive, connecting pipes are respectively connected with the two ends of the composite pipe, an inlet filtering structure 12 is arranged at the inlet of the composite pipe, an inlet filtering cavity 13 is further arranged at the inlet of the composite pipe, an outlet filtering structure 14 is arranged at the outlet of the composite pipe, and an outlet filtering cavity 15 is further arranged at the outlet of the composite pipe.
In this embodiment, all can install filtration in the entry or the exit of compound pipe, filter remaining impurity particle and can be deposited in the filter chamber that corresponds, dismantle compound pipe and connecting pipe and just can get rid of impurity particle and prevent to block up, compound pipe is moulded to cooperation PSP steel has the bearing height, characteristics such as impact resistance reinforce, the plastics of ectonexine have played the corrosion protection effect, it is smooth to have the inner wall, chemical corrosion resistance, pollution-free, the fluid resistance is little, scale deposit, do not breed the microorganism, advantages such as fluid does not receive secondary pollution, still have the function of filtering and can in time get rid of impurity.
The inlet filtering structure 12 is fixedly arranged on the composite pipe, and the inlet filtering cavity 13 is located outside the inlet filtering structure 12 and between the composite pipe and the inlet connecting pipe 16.
In this embodiment, the inlet filtering structure 12 and the inlet filtering cavity 13 are disposed outside the composite pipe, and after the inlet connecting pipe 16 and the composite pipe are disassembled, the impurities can be conveniently taken out, and it is also ensured that the fluid enters the composite pipe without larger impurity particles.
The inlet filtering structure 12 comprises a circle of inlet filtering net 17, the inlet filtering net 17 is fixedly arranged on the welded steel pipe 10, one end, far away from the welded steel pipe 10, of the inlet filtering net 17 is fixedly provided with an inlet blocking plate 18, and the inlet filtering cavity 13 is positioned on the outer side of the inlet filtering net 17.
In this embodiment, the fluid is blocked by the inlet blocking plate 18, and the fluid automatically flows to the outside of the inlet filter 17 and passes through the inlet filter 17, and impurities are accumulated in the inlet filter chamber 13 during a long period of flow.
An outer expanding pipe 19 is fixedly arranged at the inlet of the composite pipe, the inner diameter of the outer expanding pipe 19 is larger than the outer diameter of the composite pipe, the inlet filter screen 17 extends into the outer expanding pipe 19, the inlet filter cavity 13 is positioned between the inlet filter screen 17 and the outer expanding pipe 19, and the outer surface of the outer expanding pipe 19 is provided with a thread line and is in threaded connection with the inlet connecting pipe 16.
In this embodiment, the expanding pipe 19 is used to increase the volume range of the fluid flowing, so as to prevent the flow velocity from accelerating impact due to the narrowing of the flow channel, and in addition, impurities can be accumulated on the inner wall of the expanding pipe 19 of the inlet filter chamber 13, and can gradually accumulate out of the inclined plane under the guiding action of the fluid flowing, so that the fluid flowing is further smooth.
The outer surface of the inlet blocking plate 18, which is far away from the inlet filter screen 17, is fixedly provided with a flow guide block 20, the outer surface of the flow guide block 20 is in an inclined plane shape, and the end part of the flow guide block 20, which is far away from the inlet filter screen 17, is in a tip shape.
In this example, the guide block 20 is used to make the fluid flow more smooth, and the tip-shaped end part makes the fluid flow smoothly to both sides, so as to prevent the fluid from flowing too fast and causing flow disorder due to the blocking of the flow.
The outlet filtering structure 14 comprises a circle of outlet filtering net 21, one end of the outlet filtering net 21 is connected with the welded steel pipe 10, the other end of the outlet filtering net 21 is fixedly provided with an outlet blocking plate 22, and the outlet filtering cavity 15 is positioned on the inner side of the outlet filtering net 21.
In this embodiment, at the fluid outlet, the fluid is blocked by the outlet blocking plate 22 to flow around and through the outlet filter screen 21, while the foreign particles are retained in the outlet filter chamber 15 inside the outlet filter screen 21.
The outer surface of the outlet of the composite pipe is provided with a thread line and is in threaded connection with an outlet connecting pipe 23, the outlet filter screen 21 is fixedly arranged in the outlet connecting pipe 23, and the outlet filter screen 21 is abutted against the welded steel pipe 10.
In this embodiment, the outlet filter screen 21 is fixed on the outlet connecting pipe 23, and along with the detachment of the outlet connecting pipe 23 and the composite pipe, the outlet filter chamber 15 is taken out along with the outlet connecting pipe 23, so as to conveniently take out the impurity particles.
The outlet blocking plate 22 is fixed on the inner wall of the outlet connecting pipe 23 through a plurality of connecting rods 24.
In the present embodiment, the outlet blocking plate 22 is fixed to the outlet connection pipe 23 by the connection rod 24, and the connection rod 24 does not block the flow of fluid.
The outlet filter screen 21 is in a circular truncated cone shape, and the inner diameter of one end, close to the composite pipe, of the outlet filter screen 21 is larger than that of the other end of the composite pipe.
The filter screen is provided with a plurality of support rods 25.
In this embodiment, the support rod 25 is used to support the filter screen, so as to improve the performance of the filter screen for bearing larger impact force.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as welded steel pipe 10, polyethylene plastic layer 11, inlet filter structure 12, inlet filter chamber 13, outlet filter structure 14, outlet filter chamber 15, inlet connection pipe 16, inlet filter mesh 17, inlet blocking plate 18, outward-extending pipe 19, flow deflector 20, outlet filter mesh 21, outlet blocking plate 22, outlet connection pipe 23, connection rod 24, support rod 25, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The PSP steel-plastic composite pipe comprises a composite pipe, wherein the composite pipe comprises a welded steel pipe (10), polyethylene plastic layers (11) are respectively arranged on the inner side and the outer side of the welded steel pipe (10), the welded steel pipe (10) is fixedly connected with the polyethylene plastic layers (11) through hot melt adhesives, and connecting pipes are respectively connected to two ends of the composite pipe.
2. The PSP steel-plastic composite pipe according to claim 1, wherein the inlet filtering structure (12) is fixedly arranged on the composite pipe, and the inlet filtering chamber (13) is located outside the inlet filtering structure (12) and between the composite pipe and the inlet connecting pipe (16).
3. The PSP steel-plastic composite pipe according to claim 2, wherein the inlet filter structure (12) comprises a circle of inlet filter screen (17), the inlet filter screen (17) is fixedly arranged on the welded steel pipe (10), an inlet barrier plate (18) is fixedly arranged at one end, away from the welded steel pipe (10), of the inlet filter screen (17), and the inlet filter cavity (13) is positioned outside the inlet filter screen (17).
4. The PSP steel-plastic composite pipe according to claim 3, characterized in that an outer expanding pipe (19) is fixedly arranged at the inlet of the composite pipe, the inner diameter of the outer expanding pipe (19) is larger than the outer diameter of the composite pipe, the inlet filter screen (17) extends into the outer expanding pipe (19), the inlet filter cavity (13) is positioned between the inlet filter screen (17) and the outer expanding pipe (19), and the outer surface of the outer expanding pipe (19) is provided with a thread line and is in threaded connection with the inlet connecting pipe (16).
5. The PSP steel-plastic composite pipe according to claim 3, wherein a flow guide block (20) is fixedly arranged on the outer surface of the inlet barrier plate (18) far away from the inlet filter screen (17), the outer surface of the flow guide block (20) is in an inclined plane shape, and the end part of the flow guide block (20) far away from the inlet filter screen (17) is in a tip shape.
6. The PSP steel-plastic composite pipe according to claim 1, wherein the outlet filter structure (14) comprises a circle of outlet filter screen (21), one end of the outlet filter screen (21) is connected with the welded steel pipe (10), the other end of the outlet filter screen is fixedly provided with an outlet barrier plate (22), and the outlet filter cavity (15) is positioned on the inner side of the outlet filter screen (21).
7. The PSP steel-plastic composite pipe according to claim 6, characterized in that the outer surface of the outlet of the composite pipe is provided with a thread and is screwed with an outlet connecting pipe (23), the outlet filter screen (21) is fixedly arranged in the outlet connecting pipe (23), and the outlet filter screen (21) is abutted against the welded steel pipe (10).
8. The PSP steel-plastic composite pipe according to claim 7, wherein the outlet blocking plate (22) is fixed on the inner wall of the outlet connection pipe (23) by a plurality of connecting rods (24).
9. The PSP steel-plastic composite pipe according to claim 7, wherein the outlet filter screen (21) is in a circular truncated cone shape, and the inner diameter of one end, close to the composite pipe, of the outlet filter screen (21) is larger than that of the other end of the composite pipe.
10. The PSP steel-plastic composite pipe according to claim 3 or 6, characterized in that the filter screen is provided with a plurality of support rods (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331078.4U CN218670966U (en) | 2022-08-31 | 2022-08-31 | PSP steel-plastic composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222331078.4U CN218670966U (en) | 2022-08-31 | 2022-08-31 | PSP steel-plastic composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670966U true CN218670966U (en) | 2023-03-21 |
Family
ID=85558953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222331078.4U Active CN218670966U (en) | 2022-08-31 | 2022-08-31 | PSP steel-plastic composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218670966U (en) |
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2022
- 2022-08-31 CN CN202222331078.4U patent/CN218670966U/en active Active
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