CN216479391U

CN216479391U - B type winding pipe of freeze proof crack control

Info

Publication number: CN216479391U
Application number: CN202122471286.XU
Authority: CN
Inventors: 陈立勇
Original assignee: Zhejiang Ding Da Environmental Technology Co ltd
Current assignee: Zhejiang Ding Da Environmental Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-05-10
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to the technical field of plastic pipes and discloses a freeze-proof and anti-cracking B-type winding pipe which comprises a pipe body, wherein the pipe body consists of a base material layer, a filling layer and a freeze-proof protective layer, the freeze-proof protective layer is arranged on the outer side of the filling layer, the base material layer is arranged on the inner side of the filling layer, and the base material layer consists of a first reinforcing layer, a polyethylene resin layer and a second reinforcing layer; according to the utility model, through the arrangement of the first reinforcing layer, the polyethylene resin layer, the second reinforcing layer, the filling layer, the anti-freezing layer, the heat-insulating film layer and the anti-cracking layer, the B-type winding pipe has higher strength and an anti-freezing and heat-insulating function, reduces the influence of a low-temperature environment on the B-type winding pipe, is not easy to crack in the low-temperature environment, can be suitable for the low-temperature environment, and solves the problems that the existing B-type winding pipes are poor in strength, low in freezing resistance and easy to crack in the low-temperature environment.

Description

B type winding pipe of freeze proof crack control

Technical Field

The utility model relates to the technical field of plastic pipes, in particular to a B-type winding pipe capable of resisting freezing and cracking.

Background

The spiral corrugated pipe is a novel light pipe made of high-density polyethylene, has the characteristics of light weight, high pressure resistance, good toughness, fast construction, long service life and the like, has an excellent pipe wall structure design, greatly reduces the cost compared with pipes with other structures, is widely applied at home and abroad due to convenient and reliable connection, and can replace a large number of concrete pipes and cast iron pipes. At present, a drainage pipeline with a hollow structure wall used outdoors and buried underground is required to have higher ring rigidity and ring flexibility due to the fact that the material characteristic adapts to a special practical environment, and a common large-caliber B-shaped hollow structure wall is wound on a pipe.

But some present B type winding pipes intensity is not good enough, and the frost resistance is lower, receives the influence of stress under microthermal environment, is easily by the frost crack, and then leads to the pipe shaft to appear damaged, influences the transport, for this reason we propose one kind intensity higher, and have the frost resistance heat preservation function, reduce the B type winding pipe that low temperature influenced to self and solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a freezing-resistant and crack-resistant B-type winding pipe which has higher strength and freezing-resistant and crack-resistant properties and is suitable for being used in a low-temperature environment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a B type winding pipe of freeze proof crack control, includes the body, the body comprises basic material layer, filling layer and freeze proof protective layer, the freeze proof protective layer sets up the outside at the filling layer, the basic material layer sets up the inboard at the filling layer, the basic material layer comprises first enhancement layer, polyethylene resin layer and second enhancement layer, first enhancement layer and second enhancement layer set up the outside and the inboard at the polyethylene resin layer respectively, the freeze proof protective layer includes anti frozen layer, heat preservation rete and anti crack layer, anti crack layer sets up the inboard at the heat preservation rete, anti frozen layer sets up the one side of keeping away from anti crack layer at the heat preservation rete.

Preferably, the anti-freezing layer is made of a high-density rubber-plastic heat-insulating material, the anti-cracking layer is made of polypropylene anti-freezing anti-cracking fibers, and the thickness of the anti-cracking layer is 0.1-0.2 mm.

Preferably, the material of the filling layer is PS foaming material, and the thickness of the filling layer is greater than that of the anti-freezing protective layer.

Preferably, the thickness of the first reinforcing layer is the same as that of the second reinforcing layer, and the first reinforcing layer and the second reinforcing layer are both made of metal fibers.

Preferably, the right end of the pipe body is communicated with a first interface, and the left end of the pipe body is communicated with a second interface.

Preferably, the inner side of the base material layer is provided with a corrosion-resistant layer, and the corrosion-resistant layer is made of acrylic polyurethane coating.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement of the first reinforcing layer, the polyethylene resin layer, the second reinforcing layer, the filling layer, the anti-freezing layer, the heat-insulating film layer and the anti-cracking layer, the B-type winding pipe has higher strength and an anti-freezing and heat-insulating function, reduces the influence of a low-temperature environment on the B-type winding pipe, is not easy to crack in the low-temperature environment, can be suitable for the low-temperature environment, and solves the problems that the existing B-type winding pipes are poor in strength, low in freezing resistance and easy to crack in the low-temperature environment.

Drawings

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

FIG. 2 is a cross-sectional view of the tube of the present invention;

FIG. 3 is a structural layer diagram of the inventive frost-resistant protective layer;

fig. 4 is a structural laminate of the base material layers of the present invention.

In the figure: 1. a pipe body; 101. a base material layer; 1011. a first reinforcing layer; 1012. a polyethylene resin layer; 1013. a second reinforcing layer; 102. a filling layer; 103. an anti-freeze protective layer; 1031. an anti-freeze layer; 1032. a heat preservation film layer; 1033. an anti-cracking layer; 2. a first interface; 3. a second interface; 4. a corrosion resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a B-type winding pipe for preventing freezing and cracking comprises a pipe body 1, the pipe body 1 is composed of a base material layer 101, a filling layer 102 and a freezing-resistant protective layer 103, the freezing-resistant protective layer 103 is arranged on the outer side of the filling layer 102, the base material layer 101 is arranged on the inner side of the filling layer 102, the base material layer 101 is composed of a first reinforcing layer 1011, a polyethylene resin layer 1012 and a second reinforcing layer 1013, the first reinforcing layer 1011 and the second reinforcing layer 1013 are respectively arranged on the outer side and the inner side of the polyethylene resin layer 1012, the freezing-resistant protective layer 103 comprises a freezing-resistant layer 1031, a heat-insulating film layer 1032 and an anti-cracking layer 1033, the anti-cracking layer 1033 is arranged on the inner side of the heat-insulating film layer 1032, the freezing-resistant layer 1031 is arranged on the side of the heat-insulating film layer 1032 far from the anti-cracking layer 3, and the first reinforcing layer 1011, the polyethylene resin layer 1012 and the second reinforcing layer 1013, the filling layer 102, the freezing-resistant layer 1031, the heat-insulating film layer 1032 and the anti-cracking layer 1033 are arranged, make the intensity of this B type winding pipe higher, and have the freeze proof heat preservation function, reduce the low temperature environment and to the influence of self, be difficult for breaking under the low temperature environment to can be applicable to the low temperature environment, solved some current B type winding pipe intensity not good enough, the freeze resistance is lower, the condition of breaking appears easily under microthermal environment.

Referring to fig. 4, the anti-freezing layer 1031 is made of a high-density rubber-plastic thermal insulation material, the anti-cracking layer 1033 is made of polypropylene anti-freezing anti-cracking fibers, the thickness of the anti-cracking layer 1033 is 0.1-0.2mm, the high-density rubber-plastic thermal insulation material has the characteristics of light weight, low thermal conductivity coefficient, moisture impermeability, low water absorption, non-combustion, high mechanical strength and the like, the anti-freezing layer 1031 is made of the high-density rubber-plastic thermal insulation material, so that the winding pipe is provided with a thermal insulation effect, the polypropylene anti-freezing anti-cracking fibers are high-strength bundled monofilament organic fibers formed by processing fiber-grade polypropylene serving as a raw material through a special process, and have the characteristics of strong acid resistance, strong alkali resistance, weak thermal conductivity and the like, and the anti-freezing anti-cracking performance of the winding pipe can be effectively improved by designing the anti-cracking layer 1033 to be the polypropylene anti-freezing anti-cracking fibers.

Referring to fig. 2, the filling layer 102 is made of PS foam, the thickness of the filling layer 102 is greater than that of the anti-freezing protection layer 103, and the PS foam has the characteristics of lightness, difficulty in deformation and the like, is not easy to deform in a low-temperature environment, and simultaneously has the function of isolating the external low temperature, so as to reduce the influence of the low-temperature environment on the winding pipe.

Referring to fig. 3, the thickness of the first reinforcing layer 1011 is the same as the thickness of the second reinforcing layer 1013, the first reinforcing layer 1011 and the second reinforcing layer 1013 are made of metal fibers, the metal fibers have good mechanical properties, the breaking specific strength and the tensile specific modulus are high, the bending resistance and the toughness are good, and the strength of the winding pipe can be effectively improved by designing the first reinforcing layer 1011 and the second reinforcing layer 1013 to be made of metal fibers.

Referring to fig. 1, the right end of the tube body 1 is communicated with a first connector 2, and the left end of the tube body 1 is communicated with a second connector 3, and the tube is connected with other pipelines through the first connector 2 and the second connector 3.

Referring to fig. 2, the corrosion-resistant layer 4 is disposed on the inner side of the base material layer 101, the corrosion-resistant layer 4 is made of acrylic polyurethane paint, and the corrosion-resistant layer 4 can provide corrosion-resistant protection for the winding pipe inside the winding pipe, so that the winding pipe is not easily corroded, and the service life of the winding pipe is prolonged.

The working principle is as follows: through first enhancement layer 1011, the setting of polyethylene resin layer 1012 and second enhancement layer 1013, they can effectively promote the intensity of this winding pipe, make this winding pipe be difficult for breaking under the effect of low temperature stress, frost resistant layer 1031 can provide frost resistant protection in the outside simultaneously, and the setting of heat preservation rete 1032 then can effectively completely cut off the microthermal influence in the outside, crack resistant layer 1033's setting simultaneously, effectively promote the crack resistance of this winding pipe, the isolated microthermal effect of filling layer 102 in addition, make the holistic frost resistant crack resistance of this winding pipe obtain promoting, difficult cracked situation that appears in low temperature environment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a B type winding pipe of freeze proof crack control, includes body (1), its characterized in that: body (1) comprises basic material layer (101), filling layer (102) and frost resisting protective layer (103), frost resisting protective layer (103) set up the outside at filling layer (102), basic material layer (101) set up the inboard at filling layer (102), basic material layer (101) comprise first enhancement layer (1011), polyethylene resin layer (1012) and second enhancement layer (1013), first enhancement layer (1011) and second enhancement layer (1013) set up the outside and the inboard at polyethylene resin layer (1012) respectively, frost resisting protective layer (103) include anti-freeze layer (1031), heat preservation rete (1032) and anti-crack layer (1033), anti-crack layer (1033) set up the inboard at heat preservation rete (1032), anti-freeze layer (1031) set up the one side of keeping away from anti-crack layer (1033) at heat preservation rete (1032).

2. The anti-freezing and anti-cracking B-type winding pipe as claimed in claim 1, wherein: the anti-freezing layer (1031) is made of high-density rubber and plastic heat-insulating materials, the anti-cracking layer (1033) is made of polypropylene anti-freezing anti-cracking fiber materials, and the thickness of the anti-cracking layer (1033) is 0.1-0.2 mm.

3. The anti-freezing and anti-cracking B-type winding pipe as claimed in claim 1, wherein: the filling layer (102) is made of PS foaming materials, and the thickness of the filling layer (102) is larger than that of the anti-freezing protection layer (103).

4. The anti-freezing and anti-cracking B-type winding pipe as claimed in claim 1, wherein: the thickness of the first reinforcing layer (1011) is the same as that of the second reinforcing layer (1013), and the first reinforcing layer (1011) and the second reinforcing layer (1013) are both made of metal fiber materials.

5. The anti-freezing and anti-cracking B-type winding pipe as claimed in claim 1, wherein: the right end of body (1) communicates has first interface (2), the left end intercommunication of body (1) has second interface (3).

6. The anti-freezing and anti-cracking B-type winding pipe as claimed in claim 1, wherein: the inner side of the base material layer (101) is provided with a corrosion-resistant layer (4), and the corrosion-resistant layer (4) is made of acrylic polyurethane coating.