CN211951736U - Corrosion-prevention steel-sheathed-steel steam heat-preservation pipe - Google Patents
Corrosion-prevention steel-sheathed-steel steam heat-preservation pipe Download PDFInfo
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- CN211951736U CN211951736U CN202020060687.9U CN202020060687U CN211951736U CN 211951736 U CN211951736 U CN 211951736U CN 202020060687 U CN202020060687 U CN 202020060687U CN 211951736 U CN211951736 U CN 211951736U
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Abstract
The utility model discloses a steel bushing steel steam insulating tube that prevents to corrode relates to heat preservation pipe fitting technical field, including interior steel pipe, outer steel bushing, interior steel pipe nestification is in outer steel bushing, the heat preservation has been cup jointed to the outer wall of interior steel pipe, be provided with the air bed between heat preservation and the outer steel bushing, the inner wall of outer steel bushing is fixed with the install bin, the inside of install bin is fixed with the horizontal pole, the equal sliding connection in both sides of horizontal pole has the movable block, the outer wall of horizontal pole has cup jointed the spring that is located the movable block outside, the top of movable block all articulates there is the pendulum rod, the top of pendulum rod all articulates there is the bracing piece, the bracing piece top is fixed with fan-shaped bottom plate, the metal outer wall of outer steel bushing scribbles the antirust coat, the sealing layer has been scribbled on the antirust coat. The utility model discloses intensity is high, and it is effectual to keep warm, is difficult for receiving external factor's destruction, and it is effectual to anticorrosize.
Description
Technical Field
The utility model relates to a heat preservation pipe fitting technical field especially relates to a steel bushing steel steam insulating tube who prevents corrosion.
Background
The steel-sheathed-steel steam heat-preservation pipe is formed by combining an outer protective steel pipe, a polyurethane foam heat-preservation layer and an inner working steel pipe, and is suitable for conveying steam or other media below 2.5MPa and 350 ℃ because pipelines such as various high-rise building water supply, heat supply of a heat supply network, tap water engineering, fuel gas conveying, buried water conveying and the like need to be used, and the heat-preservation structure of the steel-sheathed-steel steam heat-preservation pipe is divided according to different sliding modes: the inner slide type and the outer slide type, the inner slide type is most commonly used. However, most of the existing inner sliding type heat preservation pipes have the defects of easy corrosion, poor corrosion resistance, poor heat preservation performance, poor thermal insulation, easy damage of a sliding support and heat conduction function of the sliding support and an outer steel sleeve.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a steel sleeve steel steam insulating pipe capable of preventing corrosion.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a steel bushing steel steam insulating tube that prevents corruption, includes interior steel pipe, outer steel bushing, interior steel pipe nestification is in outer steel bushing, the heat preservation has been cup jointed to the outer wall of interior steel pipe, be provided with the air bed between heat preservation and the outer steel bushing, the inner wall of outer steel bushing is fixed with the install bin, the inside of install bin is fixed with the horizontal pole, the equal sliding connection in both sides of horizontal pole has the movable block, the outer wall of horizontal pole has cup jointed the spring that is located the movable block outside, the top of movable block all articulates there is the pendulum rod, the top of pendulum rod all articulates there is the bracing piece, the bracing piece top is fixed with fan-shaped bottom plate, the metal outer wall of outer steel bushing scribbles the antirust coat, scribble the sealing layer on the antirust coat.
Preferably, the antirust layer is an inorganic zinc silicate coating with the thickness of 0.1-1.5 mm.
Preferably, the sealing layer is made of epoxy antirust paint, and the thickness of the sealing layer is 0.1-1.5 mm.
Preferably, the protective layer is made of polyurethane paint and has a thickness of 0.1-1.5 mm.
Preferably, the installation box is provided with a plurality of installation boxes which are arranged on the inner wall of the outer steel sleeve at equal intervals.
Preferably, the upper surface of the sector bottom plate is provided with a groove, and a ball is nested in the groove.
The utility model has the advantages that:
1, the utility model discloses use inorganic zinc silicate coating as inside antirust coat, improved protective layer epoxy adhesive force, epoxy antirust coating is the sealing layer, can effectively isolated air, make 7 in use of outer steel bushing be difficult to appear with the substrate separation, drop or stick up defects such as limit, use polyurethane coating as the protective layer, its polyurethane coating strong adaptability, wear resistance is good, bonding property is good, elasticity is good, intensity is high, the ageing resistance, corrosion-resistant, anti chemical medium, impact resistance is good, stability is good, long service life.
2, the utility model discloses in, the ball in the upper surface recess through fan-shaped bottom plate in will, the inner structure of steel pipe can the free rotation in guaranteeing, adopts the ball can reduce the area of contact of ball and outer steel bushing inner wall, reduces heat conduction effect, reinforcing heat insulating ability.
3, the utility model discloses, when the pressure increase of external action on fan-shaped bottom plate, fan-shaped bottom plate highly can adjust, the flexibility is strong, and is not fragile.
In a word, the utility model discloses in, intensity is high, and it is effectual to keep warm, is difficult for receiving external factor's destruction, and it is effectual to anticorrosize.
Drawings
Fig. 1 is a schematic structural view of a steel-sheathed-steel steam insulation pipe for preventing corrosion according to the present invention.
Fig. 2 is a side view of a component of a steel-sheathed steel steam insulating pipe for preventing corrosion according to the present invention.
Fig. 3 is a schematic structural diagram of the installation box of the steel-sheathed-steel steam insulation pipe for preventing corrosion of the utility model.
Fig. 4 is a schematic structural diagram of an outer steel jacket of a steel jacket steel steam insulation pipe for preventing corrosion according to the present invention.
Reference numbers in the figures: 1 inner steel tube, 2 installation boxes, 3 support rods, 4 fan-shaped bottom plates, 41 grooves, 42 balls, 5 air layers, 6 heat insulation layers, 7 outer steel sleeves, 71 anti-rust layers, 72 sealing layers, 73 protection layers, 8 swing rods, 9 moving blocks, 10 springs and 11 cross rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a steel bushing steel steam insulating tube for preventing corrosion, including interior steel pipe 1, outer steel bushing 7, interior steel pipe 1 nests in outer steel bushing 7, the outer wall of interior steel pipe 1 has cup jointed heat preservation 6, be provided with air bed 5 between heat preservation 6 and the outer steel bushing 7, the inner wall of outer steel bushing 7 is fixed with install bin 2, the inside of install bin 2 is fixed with horizontal pole 11, the equal sliding connection in both sides of horizontal pole 11 has movable block 9, the outer wall of horizontal pole 11 has cup jointed the spring 10 that is located the movable block 9 outside, the top of movable block 9 all articulates there is pendulum rod 8, the top of pendulum rod 8 all articulates there is bracing piece 3, the bracing piece 3 top is fixed with fan-shaped bottom plate 4, the metal outer wall of outer steel bushing 7 scribbles antirust coat 71, antirust coat with sealing layer 72 on antirust coat 71, coating has.
The antirust layer 71 is made of inorganic zinc silicate paint and is 0.1-1.5mm thick, the sealing layer 72 is made of epoxy antirust paint and is 0.1-1.5mm thick, the protective layer 73 is made of polyurethane paint and is 0.1-1.5mm thick, a plurality of installation boxes 2 are arranged on the inner wall of the outer steel sleeve 7 at equal intervals, the upper surface of the fan-shaped bottom plate 4 is provided with a groove 41, and balls 42 are nested in the groove 41.
The working principle is as follows:
the utility model discloses during the use, ball 42 in the last surface groove 41 through fan-shaped bottom plate 4 will be interior, the inner structure of steel pipe 1 can the free rotation in guaranteeing, adopt ball 42 can reduce the area of contact of ball 42 and outer steel bushing 7 inner wall, reduce heat conduction effect, the reinforcing heat insulating ability, when the pressure increase of external action on fan-shaped bottom plate 4, fan-shaped bottom plate 4 highly can be adjusted, fan-shaped bottom plate 4 drives bracing piece 3 and descends, bracing piece 3 drives movable block 9 through pendulum rod 8 and moves to the outside, the flexibility is strong, it is not fragile, use inorganic zinc silicate coating as inside antirust coat 71, protective layer epoxy adhesive force has been improved, epoxy antirust coating is sealing layer 72, can effectively isolated air, make outer steel bushing 7 be difficult to appear in use and separate with the substrate, defects such as droing or sticking up the limit, use polyurethane coating as protective layer 73, its polyurethane coating strong adaptability is strong, the coating, Good wear resistance, good adhesive property, good elasticity, high strength, aging resistance, corrosion resistance, chemical medium resistance, excellent impact resistance, good stability and long service life.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a steel bushing steel steam insulating tube that prevents corruption, includes interior steel pipe (1), outer steel bushing (7), its characterized in that, interior steel pipe (1) nestification is in outer steel bushing (7), the outer wall of interior steel pipe (1) has cup jointed heat preservation (6), be provided with air bed (5) between heat preservation (6) and outer steel bushing (7), the inner wall of outer steel bushing (7) is fixed with install bin (2), the inside of install bin (2) is fixed with horizontal pole (11), the both sides of horizontal pole (11) are all sliding connection with movable block (9), the outer wall of horizontal pole (11) has cup jointed spring (10) that are located the movable block (9) outside, the top of movable block (9) all articulates there is pendulum rod (8), the top of pendulum rod (8) all articulates there is bracing piece (3), bracing piece (3) top is fixed with fan-shaped bottom plate (4), the outer steel sleeve (7) is characterized in that an anti-rust layer (71) is coated on the outer metal wall, a sealing layer (72) is coated on the anti-rust layer (71), and a protective layer (73) is coated on the sealing layer (72).
2. The steel-sheathed-steel steam insulation pipe against corrosion according to claim 1, characterized in that the rust preventive layer (71) is coated with an inorganic zinc silicate paint to a thickness of 0.1 to 1.5 mm.
3. The steel-sheathed-steel steam-insulated pipe for preventing corrosion according to claim 1, characterized in that the sealing layer (72) is made of epoxy antirust paint and has a thickness of 0.1-1.5 mm.
4. The steel-sheathed-steel steam insulation pipe for preventing corrosion according to claim 1, characterized in that the protective layer (73) is made of polyurethane paint and has a thickness of 0.1-1.5 mm.
5. The steam insulated steel-sheathed steel pipe against corrosion according to claim 1, wherein the installation box (2) is provided in plurality and arranged equidistantly on the inner wall of the outer steel sheath (7).
6. The corrosion-resistant steel-sheathed-steel steam insulating pipe according to claim 1, characterized in that the upper surface of the sector-shaped bottom plate (4) is provided with a groove (41), and the groove (41) is internally nested with a ball (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020060687.9U CN211951736U (en) | 2020-01-13 | 2020-01-13 | Corrosion-prevention steel-sheathed-steel steam heat-preservation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020060687.9U CN211951736U (en) | 2020-01-13 | 2020-01-13 | Corrosion-prevention steel-sheathed-steel steam heat-preservation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951736U true CN211951736U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020060687.9U Active CN211951736U (en) | 2020-01-13 | 2020-01-13 | Corrosion-prevention steel-sheathed-steel steam heat-preservation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951736U (en) |
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2020
- 2020-01-13 CN CN202020060687.9U patent/CN211951736U/en active Active
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