High-stability high-temperature-resistant anti-corrosion stainless steel pipe fitting

Abstract

The utility model discloses a corrosion-resistant stainless steel pipe fitting with high stability and high temperature resistance, and particularly relates to the field of stainless steel pipe fittings, the corrosion-resistant stainless steel pipe fitting comprises a first pipe fitting, a second pipe fitting is arranged on one side of the first pipe fitting, inner layers are arranged on one side of the second pipe fitting and one side of the first pipe fitting, and the inner layers are made of S stainless steel materials. One side of the inner layer is connected with the outer layer in an adhesion manner, the outer layer is made of an L stainless steel material, one side of the outer layer is fixedly provided with the heat insulation layer, the heat insulation layer is made of polytetrafluoroethylene coating, and one side of the heat insulation layer is fixedly provided with the protective layer. By arranging the inner layer and the outer layer, when the pipe fitting is subjected to external mechanical impact, the outer layer can bear part of impact force firstly, the influence on the inner layer is reduced, the risk that the inner layer is damaged due to impact is reduced, the inner-outer double-layer structure can effectively disperse the impact force, structural damage such as sinking and cracking of the pipe fitting is avoided, the integrity of the pipe fitting is maintained, and the service life of the pipe fitting is prolonged. The service life of the pipe fitting is prolonged to a certain extent, and the practicability of the pipe fitting is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of stainless steel pipe fittings more specifically, the utility model relates to a kind of high-stability high-temperature-resistant anticorrosive stainless steel pipe fittings. BACKGROUND

[0002] Stainless steel pipe fittings belong to a kind of pipe fittings, it is made of stainless steel material so it is called stainless steel pipe fittings, it includes: stainless steel elbow, stainless steel tee, stainless steel cross, stainless steel reducing pipe, stainless steel pipe cap etc.;

[0003] Through the retrieval, the existing patent (publication number: CN221922323U) discloses a kind of stainless steel pipe fittings with corrosion resistance, including stainless steel pipe fittings body, the inside of the stainless steel pipe fittings body is fixed with internal anticorrosive coating, the surface of the internal anticorrosive coating is fixed with evenly distributed wear-resistant convex, the both ends of the stainless steel pipe fittings body are all set with edge protection sleeve.The utility model is internally provided with internal anticorrosive coating, improves internal anticorrosive performance, while the surface of internal anticorrosive coating is provided with wear-resistant convex, effectively improves the wear resistance of internal anticorrosive coating, reduces the damage of internal anticorrosive coating due to fluid friction, improves the internal anticorrosive performance of stainless steel pipe fittings, the outer surface of stainless steel pipe fittings is protected by winding plastic protection piece, and the edge is protected by setting edge protection sleeve at the edge of the both ends of stainless steel pipe fittings, effectively improves the external anticorrosive performance of stainless steel pipe fittings, to further improve the corrosion effect of stainless steel pipe fittings.

[0004] The existing stainless steel pipe fittings are used under high temperature condition, ordinary stainless steel material can be deformed due to strength reduction, lead to pipe diameter change, affect the stability and precision of material conveying, lead to certain limitation when using, and the above cited patent file does not propose relevant scheme to solve the above problems.

[0005] Therefore, a kind of high-stability high-temperature-resistant anticorrosive stainless steel pipe fittings is proposed for the above problems. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a kind of high-stability high-temperature-resistant anticorrosive stainless steel pipe fittings to solve the problems raised in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of high-stability high-temperature-resistant anticorrosive stainless steel pipe fittings, including first pipe fitting, the first pipe fitting side is provided with second pipe fitting, the second pipe fitting and the first pipe fitting side are all provided with inner layer, the inner layer is made of 310S stainless steel material, and the inner layer side is connected with outer layer by adhesion, the outer layer is made of 316L stainless steel material.

[0008] Preferably, one side of the outer layer is fixedly provided with a heat insulation layer, and the heat insulation layer is made of polytetrafluoroethylene paint.

[0009] Preferably, one side of the heat insulation layer is fixedly provided with a protective layer, and the protective layer is made of a nano ceramic protective coating material.

[0010] Preferably, one side of the first pipe is fixedly provided with a threaded ring, one side of the threaded ring is provided with a limiting groove, and the threaded ring is threadedly connected with the threaded hole in the inner wall of the second pipe.

[0011] Preferably, one side of the threaded ring is provided with an anti-skid pad, and the limiting groove is threadedly and clampingly connected with the second pipe.

[0012] Preferably, the first pipe and the second pipe are both externally fixedly provided with reinforcing ribs, and a plurality of groups of reinforcing ribs are arranged at equal intervals.

[0013] The technical effects and advantages of the present application are as follows:

[0014] Compared with the prior art, the high-stability high-temperature-resistant corrosion-resistant stainless steel pipe has the following advantages: the inner layer and the outer layer are arranged, when the pipe is subjected to external mechanical impact, the outer layer can first bear part of the impact force, the influence on the inner layer is reduced, the risk of damage to the inner layer caused by impact is reduced, the impact force can be effectively dispersed by the double-layer structure, the structure damage such as concave and crack of the pipe is avoided, the integrity of the pipe is maintained, the service life of the pipe is prolonged to a certain extent, and the practicability is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic diagram of the overall structure of the present application.

[0016] Fig. 2 It is a schematic diagram of the internal structure of the pipe.

[0017] Fig. 3 It is a schematic diagram of the position structure of the outer layer.

[0018] The reference signs are as follows: 1, first pipe; 2, second pipe; 3, threaded ring; 4, limiting groove; 5, anti-skid pad; 6, threaded hole; 7, reinforcing rib; 8, inner layer; 9, outer layer; 10, heat insulation layer; 11, protective layer. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Example 1

[0021] As attached Figs. 1-3 The present invention relates to a high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting, comprising a first pipe fitting 1, a second pipe fitting 2 disposed on one side of the first pipe fitting 1, an inner layer 8 disposed on one side of both the second pipe fitting 2 and the first pipe fitting 1, the inner layer 8 being made of 310S stainless steel, and an outer layer 9 being bonded to one side of the inner layer 8, the outer layer 9 being made of 316L stainless steel.

[0022] Specifically, by having an inner layer 8 and an outer layer 9, when the pipe fitting is subjected to external mechanical impact, the outer layer 9 can first bear part of the impact force, reducing the impact on the inner layer 8, reducing the risk of damage to the inner layer 8 due to impact, and extending the service life of the pipe fitting to a certain extent.

[0023] Example 2

[0024] Based on Embodiment 1, the solution in Embodiment 1 will be further described in detail below with reference to the specific working method, such as... Figs. 1-3 As shown below, see details:

[0025] In a preferred embodiment, a heat insulation layer 10 is fixedly provided on one side of the outer layer 9. The heat insulation layer 10 is made of polytetrafluoroethylene coating. Furthermore, by providing the heat insulation layer 10, various chemical substances can be prevented from corroding and thinning the outer wall of the pipe fitting, thereby enhancing the corrosion resistance of the pipe fitting.

[0026] As a preferred embodiment, a protective layer 11 is fixedly provided on one side of the heat insulation layer 10. The protective layer 11 is made of nano-ceramic protective coating material. Furthermore, by providing the protective layer 11, rainwater, dust and other pollutants can be prevented from adhering, reducing dirt accumulation and lowering the risk of corrosion due to dirt, thus enhancing the practicality of the device.

[0027] In a preferred embodiment, a threaded ring 3 is fixedly provided on one side of the first pipe fitting 1, and a limiting groove 4 is provided on one side of the threaded ring 3. The threaded ring 3 is threadedly connected to the threaded hole 6 on the inner wall of the second pipe fitting 2. Furthermore, by providing the threaded ring 3 and threading the threaded ring 3 to the threaded hole 6 of the second pipe fitting 2, it is easier to connect the two sets of pipe fittings. At the same time, the simple operation makes the device more convenient to use.

[0028] As a preferred embodiment, the threaded ring 3 is provided with a non-slip pad 5 on one side, and the limiting groove 4 is threadedly connected with the second pipe 2; further, by providing the non-slip pad 5, the connection stability of the first pipe 1 and the second pipe 2 is effectively improved. As a preferred embodiment, the first pipe 1 and the second pipe 2 are both externally fixedly provided with reinforcing ribs 7, and the reinforcing ribs 7 are provided with a plurality of groups at equal intervals; further, by providing the reinforcing ribs 7, the pipe can bear greater material pressure, and deformation and rupture of the pipe wall caused by excessive pressure are avoided, so that the carrying capacity of the pipe under heavy load working conditions is greatly improved.

[0029] The working process of the utility model is as follows:

[0030] In use, first, the threaded ring 3 is provided on one side of the first pipe 1, the threaded ring 3 is threadedly connected with the threaded hole 6 of the second pipe 2, and the second pipe 2 is sunk into the limiting groove 4 on one side of the first pipe 1, and the non-slip pad 5 is provided outside the limiting groove 4, thereby further improving the stability of the connection of the first pipe 1 and the second pipe 2, and improving the practicability of the device to a certain extent, secondly, the inner layer 8 is provided outside the first pipe 1 and the second pipe 2, the inner layer 8 is made of 310S stainless steel material, has certain high-temperature-resistant and antioxidant effects, ensures that the pipe can stably convey medium for a long time in a high-temperature environment, maintains the normal operation of the pipe system, prolongs the service life of the inner layer 8 pipe, thirdly, the outer layer 9 is provided on one side of the inner layer 8, the outer layer 9 is made of 316L stainless steel material, can bear part of the impact force, reduce the influence on the inner layer 8, reduce the risk of damage to the inner layer 8 caused by impact, has certain corrosion resistance, and by providing the heat insulation layer 10, relying on the corrosion-resistant property, effectively prevents various chemical substances from corroding the outer wall of the pipe, prevents the pipe wall from being corroded and thinned, enhances the corrosion resistance of the pipe, further improves the service life of the pipe in a harsh chemical environment, and in addition, by providing the protective layer 11, the wear resistance is strong, is not easy to wear in long-term use, can continuously play a protective role, can prevent rainwater, dust and other pollutants from adhering, reduce dirt accumulation, reduce the risk of corrosion caused by dirt, and improve the practicability of the device to a certain extent.

[0031] Finally: the above only for preferred embodiment of the utility model has already, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should include in the protection scope of the utility model.

Claims

1. A high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting, comprising a first pipe fitting (1), characterized in that; A second pipe (2) is provided on one side of the first pipe (1). An inner layer (8) is provided on one side of both the second pipe (2) and the first pipe (1). The inner layer (8) is made of 310S stainless steel. An outer layer (9) is bonded to one side of the inner layer (8). The outer layer (9) is made of 316L stainless steel.

2. The high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting according to claim 1, characterized in that: A heat insulation layer (10) is fixedly provided on one side of the outer layer (9), and the heat insulation layer (10) is made of polytetrafluoroethylene coating.

3. The high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting according to claim 2, characterized in that: A protective layer (11) is fixedly provided on one side of the heat insulation layer (10), and the protective layer (11) is made of nano-ceramic protective coating material.

4. The high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting according to claim 1, characterized in that: A threaded ring (3) is fixedly provided on one side of the first pipe fitting (1), and a limiting groove (4) is opened on one side of the threaded ring (3), and the threaded ring (3) is threadedly connected to the threaded hole (6) on the inner wall of the second pipe fitting (2).

5. The high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting according to claim 4, characterized in that: The threaded ring (3) is provided with an anti-slip pad (5) on one side, and the limiting groove (4) is threadedly engaged with the second pipe fitting (2).

6. The high-stability, high-temperature resistant, corrosion-resistant stainless steel pipe fitting according to claim 1, characterized in that: The first pipe fitting (1) and the second pipe fitting (2) are both fixedly provided with reinforcing ribs (7), and the reinforcing ribs (7) are provided in several groups at equal intervals.

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