CN216789467U

CN216789467U - Glass steel inside lining thermoplastic plastic structure

Info

Publication number: CN216789467U
Application number: CN202123420136.2U
Authority: CN
Inventors: 熊涛; 李佳生; 薛春
Original assignee: Aisi Composite Materials Jiaxing Co ltd
Current assignee: Aisi Composite Materials Jiaxing Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-21
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a glass fiber reinforced plastic lining thermoplastic plastic structure. It includes protective layer, glass steel layer, elastic layer, a plurality of flexure strip, inner liner, a plurality of resilient means, the inner wall connection glass steel layer of protective layer, the inner wall connection elastic layer on glass steel layer, the inner liner is located the inside of elastic layer, inner liner and protective layer, glass steel layer, the equal fixed connection of elastic layer, there is the cavity between inner liner and the elastic layer, flexure strip and resilient means all are located the cavity, resilient means's one end and inner liner fixed connection, resilient means's the other end and flexure strip fixed connection, it is gapped between flexure strip and the elastic layer, flexure strip, resilient means all use the axis symmetric distribution of inner liner. The beneficial effects of the utility model are: the risk of liquid leakage caused by separation between the lining and the glass fiber reinforced plastic layer is avoided.

Description

Glass steel inside lining thermoplastic plastic structure

Technical Field

The utility model relates to the technical field of glass fiber reinforced plastics, in particular to a glass fiber reinforced plastic lining thermoplastic plastic structure.

Background

In the current market, most of oil and water pipelines in oil fields still adopt steel pipes or use pure glass fiber reinforced plastic pipes, when the steel pipes are used for conveying liquid and meet corrosive liquid, the pipelines are seriously corroded, and the glass fiber reinforced plastic pipes are easily broken, cracked and the like when being subjected to mechanical impact. When the thermosetting lining is used inside the glass fiber reinforced plastic, although damage such as fracture and crack of the glass fiber reinforced plastic can be avoided, the risk of leakage is easy to occur.

Chinese patent grant publication no: CN204573353U, grant announcement date: in 2015, 08 and 19 months, a glass fiber reinforced plastic pipeline is disclosed, which is provided with an inner liner layer, an impermeable layer, an outer protective layer and an anti-slip layer from inside to outside, wherein the inner liner layer, the impermeable layer, the outer protective layer and the anti-slip layer are bonded together through resin curing, the inner liner layer is made of reinforced resin, the impermeable layer is made of a gel coat layer, a surface felt, a knitted felt and a mesh fabric through lamination, the outer protective layer is a composite structure layer taking glass fiber reinforced plastic fibers and unsaturated polyester as raw materials, an inner protective film is further arranged on the inner surface of the inner liner layer, and the anti-slip layer is arranged on the outer surface of the outer protective layer; the glass fiber reinforced plastic pipeline in the technical scheme is formed by bonding a plurality of layers of structures, and is light in weight, high in strength and long in service life; the lining layer is made of reinforced resin and has high strength and corrosion resistance; the inner surface of the lining layer is provided with the inner protective film, so that the inner surface of the glass steel tube is smooth and is not easy to scale, and the friction resistance loss of the on-way liquid flow can be obviously reduced; the anti-seepage layer is made of four layers of different materials through lamination, and has high anti-seepage reliability. The technical scheme has the defects that when liquid is introduced into the inner liner, the inner liner can meet the thermal expansion and cold contraction principle to cause the delamination phenomenon between the glass fiber reinforced plastics of the inner liner and the outer protective layer and the increase of the liquid flow resistance, and meanwhile, the inner liner is not protected, and the situation of leakage and pipeline corrosion can also occur due to the corrosivity of the liquid.

In summary, how to prevent the liquid from leaking under the condition of ensuring that the lining and the glass fiber reinforced plastic are not separated, the above technical solution cannot solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a glass fiber reinforced plastic lining thermoplastic plastic structure which is characterized in that a lining and glass fiber reinforced plastic are not easy to separate, and liquid is not easy to leak.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a glass steel inside lining thermoplastic structure, includes protective layer, glass steel layer, elastic layer, a plurality of flexure strip, inner liner, a plurality of resilient means, the inner wall connection glass steel layer of protective layer, the inner wall connection elastic layer on glass steel layer, the inner liner is located the inside of elastic layer, inner liner and protective layer, glass steel layer, the equal fixed connection of elastic layer, there is the cavity between inner liner and the elastic layer, flexure strip and resilient means all are located the cavity, resilient means's one end and inner liner fixed connection, resilient means's the other end and flexure strip fixed connection, it is gapped between flexure strip and the elastic layer, flexure strip, resilient means all use the axis symmetric distribution of inner liner.

When letting in liquid in to the lining layer, liquid makes the inner liner take place expend with heat and contract with cold phenomenon, because resilient means and flexure strip between inner liner and the elastic layer to expend with heat and contract with cold phenomenon takes place together for resilient means and flexure strip and inner liner, avoids the too thick inner liner because elasticity is not enough to cause the inner liner to damage, influences the condition emergence of pipe-line transportation liquid and liquid leakage. Meanwhile, a gap is formed between the elastic sheet and the elastic layer, so that the space occupied by the elastic sheet and the elastic device in the expansion and contraction process is favorably provided, the elastic layer can avoid the elastic sheet and the elastic device from colliding with the glass fiber reinforced plastic layer in the expansion and contraction process to cause the damage of the glass fiber reinforced plastic layer, and the service life of the glass fiber reinforced plastic layer is favorably prolonged. Thereby can avoid through this technical scheme, when liquid flowed into the inner liner, take place to break away from between inner liner and the glass steel layer, cause the risk that liquid leaked.

Preferably, flanges are arranged at two ends of the inner liner, the flanges and the inner liner are integrally formed, and the flanges are fixedly connected with the side wall of the protective layer, two ends of the glass fiber reinforced plastic and two ends of the elastic layer. The turn-ups is favorable to making inner liner and protective layer, glass steel, elastic layer all connect to increase the stability of inner liner, cooperation flexure strip, resilient means's setting, when avoiding the liquid flow in the inside liner, the inner liner takes place expend with heat and contract with cold, and the inner liner breaks away from the glass steel layer, influences the transport of liquid.

Preferably, the cross-sectional shape of the elastic sheet is wave-shaped, and the elastic device is located at the wave crest of the elastic sheet. The section shape is when the wave flexure strip receives expend with heat and contract with cold, and the wave can be close to the plane shape gradually, can cushion the expend with heat and contract with cold influence that brings of inner liner, cooperates the emergence of the condition of breaking away from that resilient means further alleviated inner liner and glass steel layer simultaneously, ensures the normal transport of liquid.

As preferred, resilient means includes pressure spring, elastic ball, barrel, the pressure spring has two, one of them pressure spring one end and flexure strip fixed connection, the other end and elastic ball fixed connection, the other end of elastic ball and the one end fixed connection of another pressure spring, the other end and the inner liner fixed connection of another pressure spring, elastic ball are cup jointed to the barrel, the one end and the inner liner fixed connection of barrel, the other end and the flexure strip subsides of barrel connect. The barrel plays limiting role, ensures that the pressure spring and the elastic ball are always on the same straight line, is favorable for playing a buffering role of the pressure spring and the elastic ball, buffers the expansion and contraction effect of the inner liner layer, and ensures the normal transportation of liquid.

Preferably, the cylinder is made of soft materials, and one end of the cylinder connected with the elastic sheet is arc-shaped. The one end of the barrel of being connected with the flexure strip is the arc, and is made by soft material, is favorable to lining layer and pressure spring, elasticity ball expend with heat and contract with cold in-process, and the cushioning effect of flexure strip and pressure spring is increased in the contact that flexure strip and barrel can be better.

Preferably, the elastic sheet and the inner liner layer are parallel. Ensuring the elastic piece to be evenly stressed.

The utility model has the beneficial effects that: the damage to the glass fiber reinforced plastic layer is avoided, the service life of the glass fiber reinforced plastic layer is favorably prolonged, and the risk of liquid leakage caused by the separation between the lining and the glass fiber reinforced plastic layer is avoided; increasing the stability of the inner liner.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

In the figure: 1. the protective layer, 2, the glass fiber reinforced plastic layer, 3, the elastic layer, 4, the elastic sheet, 5, the lining layer, 6, the elastic device, 7, the flanging, 8, the pressure spring, 9, the elastic ball and 10, the cylinder body.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

Example 1:

as shown in fig. 1, 2, 3, a glass steel inside lining thermoplastic structure, including protective layer 1, glass steel layer 2, elastic layer 3, a plurality of flexure strip 4, the inner liner 5, a plurality of resilient means 6, the inner wall connection glass steel layer 2 of protective layer 1, the inner wall connection elastic layer 3 on glass steel layer 2, inner liner 5 is located elastic layer 3's inside, inner liner 5 and protective layer 1, glass steel layer 2, the equal fixed connection of elastic layer 3, there is the cavity between inner liner 5 and the elastic layer 3, flexure strip 4 and resilient means 6 all are located the cavity, resilient means 6's one end and inner liner 5 fixed connection, resilient means 6's the other end and flexure strip 4 fixed connection, it is gapped between flexure strip 4 and the elastic layer 3, flexure strip 4, resilient means 6 all distributes with the axis symmetry of inner liner 5.

As shown in figure 1, flanges 7 are arranged at two ends of the inner liner 5, the flanges 7 and the inner liner 5 are integrally formed, and the flanges 7 are fixedly connected with the side wall of the protective layer 1, two ends of the glass fiber reinforced plastic 2 and two ends of the elastic layer 3. The section of the elastic sheet 4 is wave-shaped, and the elastic device 6 is positioned at the wave crest of the elastic sheet 4.

As shown in fig. 3, the elastic device 6 includes a pressure spring 8, an elastic ball 9, a cylinder 10, the pressure spring 8 has two, one end of one of the pressure springs 8 is fixedly connected with an elastic sheet 4, the other end is fixedly connected with the elastic ball 9, the other end of the elastic ball 9 is fixedly connected with one end of the other pressure spring 8, the other end of the other pressure spring 8 is fixedly connected with an inner liner 5, the cylinder 10 is sleeved with the pressure spring 8, the elastic ball 9, one end of the cylinder 10 is fixedly connected with the inner liner 5, and the other end of the cylinder 10 is attached to the elastic sheet 4. The cylinder 10 is made of soft material, and one end of the cylinder 10 connected with the elastic sheet 4 is arc-shaped.

As shown in fig. 1, the elastic sheet 4 and the inner liner 5 are parallel.

When letting in liquid in the lining layer 5, liquid makes the lining layer 5 take place expend with heat and contract with cold phenomenon, because resilient means 6 and flexure strip 4 between lining layer 5 and the elastic layer 3, thereby pressure spring 8 among the resilient means 6, elasticity ball 9 takes place expend with heat and contract with cold phenomenon with flexure strip 4 and lining layer 5 together under the spacing of barrel 10, avoid too thick lining layer 5 because elasticity is not enough to cause lining layer 5 to damage, influence the condition emergence of pipeline transport liquid and liquid leakage. Gapped between flexure strip 4 and the elastic layer 3, can provide the shared space of barrel 10 at expend with heat and contract with cold in-process among flexure strip 4 and the resilient means 6, the elastic layer 3 can avoid flexure strip 4 and the 6 expend with heat and contract with cold in-process of resilient means to collide glass steel layer 2, causes glass steel layer 2's damage, is favorable to postponing glass steel layer 2's life. Therefore, the technical scheme can avoid the risk of liquid leakage caused by the separation between the inner liner layer 5 and the glass fiber reinforced plastic layer 2 when liquid flows into the inner liner layer 5.

Claims

1. A glass fiber reinforced plastic lining thermoplastic plastic structure is characterized by comprising a protective layer (1), a glass fiber reinforced plastic layer (2), an elastic layer (3), a plurality of elastic sheets (4), an inner lining layer (5) and a plurality of elastic devices (6), wherein the inner wall of the protective layer (1) is connected with the glass fiber reinforced plastic layer (2), the inner wall of the glass fiber reinforced plastic layer (2) is connected with the elastic layer (3), the inner lining layer (5) is positioned in the elastic layer (3), the inner lining layer (5) is fixedly connected with the protective layer (1), the glass fiber reinforced plastic layer (2) and the elastic layer (3), a cavity is formed between the inner lining layer (5) and the elastic layer (3), the elastic sheets (4) and the elastic devices (6) are positioned in the cavity, one end of each elastic device (6) is fixedly connected with the inner lining layer (5), and the other end of each elastic device (6) is fixedly connected with the elastic sheets (4), a gap is reserved between the elastic sheet (4) and the elastic layer (3), and the elastic sheet (4) and the elastic device (6) are symmetrically distributed on the central axis of the lining layer (5).

2. The glass fiber reinforced plastic lining thermoplastic plastic structure as claimed in claim 1, wherein flanges (7) are arranged at two ends of the inner lining layer (5), the flanges (7) and the inner lining layer (5) are integrally formed, and the flanges (7) are fixedly connected with the side wall of the protective layer (1), two ends of the glass fiber reinforced plastic layer (2) and two ends of the elastic layer (3).

3. A glass reinforced plastic lined thermoplastic structure as claimed in claim 1, wherein said elastic sheet (4) has a wave shaped cross-section and said elastic means (6) are located at the peaks of the elastic sheet (4).

4. A glass steel lining thermoplastic structure according to claim 3, characterized in that, the resilient means (6) includes two pressure springs (8), a resilient ball (9), and a cylinder (10), wherein one end of one pressure spring (8) is fixedly connected with the elastic sheet (4), and the other end is fixedly connected with the resilient ball (9), the other end of the resilient ball (9) is fixedly connected with one end of the other pressure spring (8), and the other end of the other pressure spring (8) is fixedly connected with the inner liner (5), the cylinder (10) is sleeved with the pressure spring (8) and the resilient ball (9), one end of the cylinder (10) is fixedly connected with the inner liner (5), and the other end of the cylinder (10) is attached to the elastic sheet (4).

5. A FRP-lined TPE structure as claimed in claim 4 wherein the cylinder (10) is made of soft material and the end of the cylinder (10) connected to the flexible sheet (4) is curved.

6. A glass reinforced plastic lined thermoplastic structure as claimed in claim 1, wherein said resilient sheet (4) and said lining layer (5) are parallel.