Isostatic pressing steel lining polytetrafluoroethylene PTFE pipe

Abstract

The utility model relates to the technical field of PTFE pipes, in particular to an isostatic pressing steel lining PTFE pipe which comprises an inner layer and an outer layer, a plurality of inserting plates are arranged on the inner side of the outer layer, a plurality of inserting holes matched with the inserting plates are formed in the outer side of the inner layer, clamping plates are arranged at the two ends, close to the outer layer, of the inserting plates, clamping grooves matched with the clamping plates are formed in the inner sides of the inserting holes formed in the inner layer, and the inserting holes are formed in the outer layer. A plurality of extra supporting points are provided for the outer layer and the inner layer through the plurality of inserting plates arranged on the inner side of the outer layer, and when large pressure is borne, the pressure can be effectively dispersed and absorbed through the plurality of inserting plates, so that the bearing capacity of the outer layer and the inner layer to the pressure is enhanced, and meanwhile the inserting plates and the inserting holes are matched for use, so that the bearing capacity of the outer layer and the inner layer is improved. The stability of the outer layer and the inner layer can be guaranteed, and the overall structural strength between the outer layer and the inner layer is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PTFE pipe technical field especially relates to a isostatic pressing steel lining polytetrafluoroethylene PTFE pipe. BACKGROUND

[0002] Steel lining polytetrafluoroethylene PTFE pipe, simply referred to as steel lining four fluorine pipe, is a kind of ordinary carbon steel pipe as base body, lining excellent chemical stability thermoplastic polytetrafluoroethylene plastic, and is processed into pipeline by specific process, it combines the mechanical strength of steel pipe and the corrosion resistance of PTFE, has multiple excellent characteristics and wide application.

[0003] The current steel lining polytetrafluoroethylene PTFE pipe mostly consists of inner layer and outer layer, and the inner layer and the outer layer are tightly attached by isostatic pressing processing, but in the face of high pressure or complex working conditions, since the inner layer and the outer layer are only tightly attached by isostatic pressing processing, there is no additional support point between the inner layer and the outer layer, resulting in low overall strength of the pipeline, which may appear concave when subjected to large pressure, thereby causing deformation and damage of the pipeline, affecting subsequent normal use. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides an isostatic pressing steel lining polytetrafluoroethylene PTFE pipe.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: an isostatic pressing steel lining polytetrafluoroethylene PTFE pipe, comprising an inner layer and an outer layer, the outer layer is provided with a plurality of insertion plates on the inner side, the inner layer is provided with a plurality of insertion holes matched with the insertion plates on the outer side, the two ends of the insertion plate adjacent to the outer layer are provided with clamping plates, and the inner side of the insertion hole of the inner layer is provided with a clamping groove matched with the clamping plate.

[0006] Further description of the above technical scheme:

[0007] A plurality of insertion plates are arranged in a staggered manner on the inner side of the outer layer.

[0008] Further description of the above technical scheme:

[0009] The outer side of the clamping plate is provided with a sealing gasket of flexible material.

[0010] Further description of the above technical scheme:

[0011] The inner side of the inner layer is provided with a wear-resistant layer, and the outer side of the wear-resistant layer is tightly attached to the inner side of the inner layer.

[0012] Further description of the above technical scheme:

[0013] The wear-resistant layer is provided with a plurality of through holes matched with the plug-in plates.

[0014] As a further description of the above technical solution:

[0015] The outer layer is provided with a waterproof layer, and the waterproof layer is tightly attached to the outer side of the outer layer.

[0016] The utility model has the following beneficial effects:

[0017] Compared with the prior art, the isostatic steel lining polytetrafluoroethylene PTFE pipe, through the plurality of plug-in plates arranged on the inner side of the outer layer, provides a plurality of additional support points for the outer layer and the inner layer, when subjected to a large pressure, the plurality of plug-in plates can effectively disperse and absorb the pressure, thereby enhancing the pressure bearing capacity of the outer layer and the inner layer, and the cooperation between the plug-in plates and the plug-in holes can ensure the stability of the outer layer and the inner layer and further improve the overall structural strength between the outer layer and the inner layer.

[0018] Compared with the prior art, the isostatic steel lining polytetrafluoroethylene PTFE pipe, through the plurality of plug-in plates arranged on the inner side of the outer layer, provides a plurality of additional support points for the outer layer and the inner layer, when subjected to a large pressure, the plurality of plug-in plates can effectively disperse and absorb the pressure, thereby enhancing the pressure bearing capacity of the outer layer and the inner layer, and the cooperation between the plug-in plates and the plug-in holes can ensure the stability of the outer layer and the inner layer and further improve the overall structural strength between the outer layer and the inner layer. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides an overall structure schematic diagram of an isostatic steel lining polytetrafluoroethylene PTFE pipe;

[0020] Figure 2 The utility model provides a split structure schematic diagram of an isostatic steel lining polytetrafluoroethylene PTFE pipe;

[0021] Figure 3 The utility model provides a cross section structure schematic diagram of an inner layer and a wear-resistant layer;

[0022] Figure 4 For Figure 3 The enlarged structure schematic diagram of A shown in the figure is shown in the figure;

[0023] Figure 5 The utility model provides a local structure schematic diagram of a plug-in plate, a clamping plate and a sealing gasket.

[0024] LEGEND:

[0025] 1, inner layer;2, outer layer;3, plug-in plate;4, plug-in hole;5, clamping plate;6, clamping groove;7, sealing gasket;8, wear-resistant layer;9, through hole;10, waterproof layer. DETAILED DESCRIPTION

[0026] Referring to Figures 1-5 The utility model provides a kind of isostatic pressing steel lining polytetrafluoroethylene PTFE pipe: including inner layer 1 and outer layer 2, multiple plug-in plates 3 are equipped in the inner side of outer layer 2, multiple plug-in holes 4 matched with plug-in plate 3 are equipped in the outer side of inner layer 1, plug-in plate 3 is equipped with clamping plate 5 adjacent to the both ends of outer layer 2, and the inner side of plug-in hole 4 opened by inner layer 1 is equipped with the clamping groove 6 matched with clamping plate 5, multiple plug-in plates 3 are staggered and arranged in the inner side of outer layer 2, flexible sealing pad 7 of material is equipped on the outer side of clamping plate 5, wear-resistant layer 8 is equipped in the inner side of inner layer 1, wear-resistant layer 8 is tightly attached to the inner side of inner layer 1 on the outer side, multiple through holes 9 matched with plug-in plate 3 are equipped on the outer side of wear-resistant layer 8, waterproof layer 10 is equipped on the outer side of outer layer 2, and waterproof layer 10 is tightly attached to the outer side of outer layer 2 on the inner side, multiple additional support points are provided for outer layer 2 and inner layer 1 by multiple plug-in plates 3 arranged in the inner side of outer layer 2, when being subjected to greater pressure, multiple plug-in plates 3 can effectively disperse and absorb pressure, so as to enhance the pressure bearing capacity of outer layer 2 and inner layer 1, and the cooperation between plug-in plate 3 and plug-in hole 4 can guarantee the stability of outer layer 2 and inner layer 1, and further improve the overall structural strength between outer layer 2 and inner layer 1.

[0027] Working principle:

[0028] Multiple additional support points are provided for outer layer 2 and inner layer 1 by multiple plug-in plates 3 arranged in the inner side of outer layer 2, when being subjected to greater pressure, multiple plug-in plates 3 can effectively disperse and absorb pressure, so as to enhance the pressure bearing capacity of outer layer 2 and inner layer 1, and the cooperation between plug-in plate 3 and plug-in hole 4 can guarantee the stability of outer layer 2 and inner layer 1, and further improve the overall structural strength between outer layer 2 and inner layer 1;

[0029] When liquid flows in wear-resistant layer 8, multiple plug-in plates 3 arranged in staggered manner can shunt the liquid in flow, and make the liquid mix in subsequent flow process, so as to improve the mixing efficiency of liquid, and multiple plug-in plates 3 can also constantly change the flow path of liquid, so that liquid is fully contacted with the inner side of wear-resistant layer 8, thereby improving the heat transfer efficiency of liquid;

[0030] By placing clamping plate 5 arranged at both ends of plug-in plate 3 into clamping groove 6 opened in the inner side of plug-in hole 4, the cooperation between clamping plate 5 and clamping groove 6 can block the liquid transported in wear-resistant layer 8, thereby preventing liquid from penetrating outward, and flexible sealing pad 7 of material arranged on the outer side of clamping plate 5 can fill the tiny gap between clamping plate 5 and clamping groove 6, further improving the sealing effect;

[0031] The waterproof layer 10 arranged outside the outer layer 2 can improve the waterproof performance of the outer layer 2, guarantee the normal use of the pipeline, the wear-resistant layer 8 arranged inside the inner layer 1 can improve the wear-resistant performance of the pipeline, reduce the abrasion of the pipeline by the material during the transportation of the material, and further prolong the service life of the pipeline, and meanwhile, the multiple through holes 9 arranged outside the wear-resistant layer 8 can be used for the multiple plug-in plates 3 to pass through, and the plug-in plates 3 can provide the support force for the wear-resistant layer 8.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. An isostatically pressed steel lined polytetrafluoroethylene (PTFE) pipe, characterized by: It includes inner layer (1) and outer layer (2), the inner side of outer layer (2) is equipped with multiple plugboard (3), the outer side of inner layer (1) is equipped with multiple jack (4) matched with plugboard (3), the adjacent both ends of plugboard (3) are equipped with clamping plate (5), and the inner side of jack (4) is equipped with clamping groove (6) matched with clamping plate (5).

2. The isostatically pressed steel lined polytetrafluoroethylene (PTFE) pipe according to claim 1, characterized in that: Multiple plugboard (3) is staggered in the inner side of outer layer (2).

3. The isostatically pressed steel lined PTFE pipe according to claim 1, characterized in that: The outer side of clamping plate (5) is equipped with sealing pad (7) of flexible material.

4. The isostatically pressed steel lined PTFE pipe according to claim 1, characterized in that: The inner side of inner layer (1) is equipped with wear-resistant layer (8), and the outer side of wear-resistant layer (8) is closely combined with the inner side of inner layer (1).

5. The isostatically pressed steel lined PTFE pipe according to claim 4, characterized in that: The outer side of wear-resistant layer (8) is equipped with multiple through holes (9) matched with plugboard (3).

6. An isostatically pressed steel lined polytetrafluoroethylene (PTFE) pipe as claimed in claim 2, wherein: The outer side of outer layer (2) is equipped with waterproof layer (10), and the inner side of waterproof layer (10) is closely combined with the outer side of outer layer (2).

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