CN211901894U

CN211901894U - MPPE (modified polypropylene) and polyethylene composite reinforced double-wall reinforced corrugated pipe

Info

Publication number: CN211901894U
Application number: CN202020193338.4U
Authority: CN
Inventors: 梁天雄
Original assignee: Sichuan Hongtu Tianchen Technology Co ltd
Current assignee: Sichuan Hongtu Tianchen Technology Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-11-10
Anticipated expiration: 2030-02-21

Abstract

The utility model provides a MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe, which comprises a pipe base body, wherein a plurality of outer wave layers are equidistantly arranged on the outer wall of the pipe base body along the circumferential direction, each outer wave layer is of a hollow structure, the top of each outer wave layer is provided with a first reinforcing rib in an M shape, a plurality of second reinforcing ribs are arranged between the outer wave layers along the circumferential direction of the pipe base body, and a plurality of third reinforcing ribs are arranged on the outer wall of the pipe base body along the axial direction; the bellows has excellent rigidity and anti extrusion ability.

Description

MPPE (modified polypropylene) and polyethylene composite reinforced double-wall reinforced corrugated pipe

Technical Field

The utility model relates to a municipal administration water supply and drainage pipeline technical field, concretely relates to compound reinforcing double-walled adds muscle bellows of MPPE modified polypropylene polyethylene.

Background

The prior corrugated pipe only singly takes polyethylene or polypropylene as a raw material, adopts a structural wall pipe manufactured by an integrally forming extrusion process, is widely applied to municipal drainage, farmland water delivery, industrial pollution discharge and the like, and can replace the traditional concrete pipe and cast iron pipe, but the pipe manufactured by the polyethylene or polypropylene material has poor performance in the aspects of strength, toughness and the like and is easy to deform.

SUMMERY OF THE UTILITY MODEL

Based on the above, in order to solve the above problems, it is necessary to provide an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe.

The utility model provides a compound reinforcing double-walled adds muscle bellows of MPPE modified polypropylene polyethylene, including the tubular product base member, the lateral wall of tubular product base member is equipped with a plurality of outer ripples layers along circumference direction equidistance, outer ripples layer is hollow structure, the top on outer ripples layer is equipped with the first strengthening rib that is the M type, be equipped with a plurality of second strengthening ribs along the circumference direction of tubular product base member between the outer ripples layer, the lateral wall of tubular product base member is equipped with a plurality of third strengthening ribs along axis direction array.

Preferably, one end of the pipe base body is provided with a socket flaring.

Preferably, a plurality of outer wave layers are equidistantly arranged on the outer side wall of the socket flaring along the circumferential direction.

Preferably, the top of the outer wave layer is provided with an M-shaped first reinforcing rib.

Preferably, the height of the second rib is equal to or less than the height of the third rib.

Preferably, a plurality of pipe pillows are sleeved at wave crests or wave troughs of the outer wave layer, and the distance between every two adjacent pipe pillows is 2-3 m.

Preferably, a plurality of first supporting flat plates are arranged at the wave crests of the outer wave layer, the distance between every two adjacent first supporting flat plates is 2-3 m, and the first supporting flat plates and the outer wave layer are integrally formed.

Preferably, a plurality of second supporting flat plates are arranged at the position of the pipe base body between the outer wave layers, the distance between every two adjacent second supporting flat plates is 2-3 m, and the second supporting flat plates and the pipe base body are integrally formed.

The utility model has the advantages that:

(1) the outer wave layer and the second reinforcing ribs which are arranged along the circumferential direction of the pipe base body in a staggered manner in the corrugated pipe provided by the utility model enhance the overall rigidity and the anti-extrusion capacity of the corrugated pipe;

(2) the third reinforcing ribs are arranged along the axial direction of the pipe base body, so that the rigidity of the corrugated pipe in the longitudinal direction is improved, and the third reinforcing ribs and the second reinforcing ribs are in a cross shape, so that the rigidity of the corrugated pipe in the circumferential direction and the axial direction is further ensured;

(3) the first reinforcing rib which is arranged at the top of the outer wave layer and is in an M shape is integrally formed with the outer wave layer, and the first reinforcing rib and the outer wave layer are melted and extruded, so that the abrasion resistance of the outer side wall of the corrugated pipe is further ensured by the M-shaped structure;

(4) a plurality of pipe pillows are sleeved on the outer side wall of the pipe base body, and the corrugated pipe is guaranteed not to roll disorderly when placed on the ground.

Drawings

FIG. 1 is a schematic view of a MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe structure according to embodiment 1 of the present invention;

fig. 2 is a schematic diagram of a structure of an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe according to embodiment 1 of the present invention;

FIG. 4 is a fourth schematic view of an MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe structure according to embodiment 1 of the present invention;

fig. 5 is a schematic structural view of an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe in embodiment 1 of the present invention;

fig. 6 is a sixth schematic view of an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe structure according to embodiment 1 of the present invention;

fig. 7 is a schematic diagram seven of a structure of an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe according to embodiment 1 of the present invention;

fig. 8 is an eighth schematic diagram of an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe structure according to embodiment 1 of the present invention;

fig. 9 is a nine schematic diagram of a structure of an MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe according to embodiment 1 of the present invention;

fig. 10 is a structural schematic view of an MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe in embodiment 1 of the present invention.

In the figure: 1-a pipe base body, 11-an outer wave layer, 12-a first reinforcing rib, 13-a second reinforcing rib, 14-a third reinforcing rib, 2-socket flaring, 3-a pipe pillow, 4-a first supporting flat plate and 5-a second supporting flat plate.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, the utility model provides an MPPE modified polypropylene polyethylene composite reinforcement double-walled adds muscle bellows is provided in an aspect, including tubular product base member 1, tubular product base member 1's lateral wall is equipped with a plurality of outer ripples layer 11 along the circumference direction equidistance, outer ripples layer 11 is hollow structure, the top on outer ripples layer 11 is equipped with the first strengthening rib 12 that is the M type, be equipped with a plurality of second strengthening ribs 13 along the circumference direction of tubular product base member 1 between the outer ripples layer 11, the lateral wall of tubular product base member 1 is equipped with a plurality of third strengthening ribs 14 along the axis direction array.

In this embodiment, along the crisscross outer ripples layer and the second strengthening rib that sets up of the circumferential direction of tubular product base member, the bulk rigidity and the anti extrusion ability of bellows have been strengthened, the third strengthening rib sets up along the axis direction of tubular product base member, the rigidity on vertical of bellows has been promoted, and the third strengthening rib is the cross form with the second strengthening rib, the rigidity of bellows in circumference and two directions of axial has further been guaranteed, the first strengthening rib that is the M type that sets up at outer ripples layer top extrudes for the integrated into one piece melting with outer ripples layer, the structure of M type has further guaranteed the resistance to wear of bellows lateral wall.

In one embodiment, as shown in fig. 2, the other features are the same as those of embodiment 1, except that one end of the pipe base body 1 is provided with a socket flaring 2, and when the corrugated pipe is connected, the sealing performance of the corrugated pipe connection position is ensured in a socket hot melting mode.

In one embodiment, as shown in fig. 3, the outer side wall of the socket flaring 2 is provided with a plurality of outer wave layers 11 at equal intervals along the circumferential direction, so that the rigidity of the corrugated pipe joint is further enhanced.

In one embodiment, as shown in fig. 4, the top of the outer wave layer 11 is provided with first reinforcing ribs 12 in an M shape.

In one embodiment, as shown in fig. 5, the height of the second reinforcing beads 13 is equal to the height of the third reinforcing beads 14.

In one embodiment, as shown in fig. 6, the height of the second reinforcing beads 13 is smaller than the height of the third reinforcing beads 14.

In one embodiment, as shown in fig. 7, a plurality of tube pillows 3 are sleeved at the wave troughs of the outer wave layer, and the distance between every two adjacent tube pillows 3 is 2-3 m.

In one embodiment, as shown in fig. 8, a plurality of tube pillows 3 are sleeved at the wave troughs of the outer wave layer, and the distance between every two adjacent tube pillows 3 is 2-3 m.

In one embodiment, as shown in fig. 9, a plurality of first supporting flat plates 4 are arranged at the wave crests of the outer wave layer 11, the distance between adjacent first supporting flat plates 4 is 2-3 m, and the first supporting flat plates 4 and the outer wave layer 11 are integrally formed. In this embodiment, the first support plate acts as a tube pillow to prevent the bellows from rolling around when placed on the ground.

In one embodiment, as shown in fig. 10, a plurality of second support flat plates 5 are arranged at the pipe base body 1 between the outer wave layers 11, the distance between adjacent second support flat plates 5 is 2-3 m, and the second support flat plates 5 and the pipe base body 1 are integrally formed. In this embodiment, the second support plate acts as a tube pillow to prevent the bellows from rolling around when placed on the ground.

Preparation example

The utility model also provides an embodiment MPPE modified polypropylene polyethylene composite reinforcement double-walled adds MPPE material's preparation method of muscle bellows, including following step:

s1, mixing and stirring the high-density polyethylene powder and the polypropylene uniformly, and performing melt extrusion;

specifically, 50 g of high-density polyethylene particles having a particle size of 1 mm and 950 g of polypropylene particles are placed in a high-speed mixer and stirred for 10 minutes at a rotation speed of 800 rpm, and then the uniformly stirred mixture is transferred to a twin-screw plastic extruder and melt-extruded at 260 ℃.

S2, drying and grinding the material obtained in the step S1 into powder, uniformly mixing the powder with inorganic material powder, and performing melt extrusion;

specifically, the material obtained in the step S1 is transferred to an oven and baked at 40 ℃ for 4 hours, and then ground into powder by using a mortar for standby, 2 g of light calcium carbonate powder with the particle size of 0.89 micron and 14 g of heavy calcium carbonate powder with the particle size of 4 microns are fully mixed and then added to the material powder obtained in the step S1, the obtained mixture is added to a high-speed mixer and stirred for 10 minutes at the rotation speed of 800 rpm, and then the uniformly stirred mixture is transferred to a double-screw plastic extruder and melt-extruded at 260 ℃.

S3, drying and grinding the material obtained in the step S2 into powder, and integrally molding the powder and the wear-resistant material according to the shape of the die, and carrying out melt extrusion to obtain the wear-resistant material.

Specifically, the material obtained in the step S2 is transferred to an oven and baked for 4 hours at 40 ℃, then ground into powder by a mortar and poured into a twin-screw plastic extruder, 200 g of UHMWPE ultrahigh molecular weight polyethylene is poured into the twin-screw plastic extruder, a die is installed at the head of the twin-screw plastic extruder, and the UHMWPE ultrahigh molecular weight polyethylene is extruded at 260 ℃.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a compound reinforcing double-walled adds muscle bellows of MPPE modified polypropylene polyethylene, includes the tubular product base member, its characterized in that, the lateral wall of tubular product base member is equipped with a plurality of outer ripples layers along circumference direction equidistance, outer ripples layer is hollow structure, the top on outer ripples layer is equipped with the first strengthening rib that is the M type, be equipped with a plurality of second strengthening ribs along the circumference direction of tubular product base member between the outer ripples layer, the lateral wall of tubular product base member is equipped with a plurality of third strengthening ribs along axis direction array.

2. The MPPE modified polypropylene polyethylene composite reinforced double-wall reinforced corrugated pipe as claimed in claim 1, wherein a socket flaring is arranged at one end of the pipe base.

3. The MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe as claimed in claim 2, wherein the outer side wall of the socket flaring is provided with a plurality of outer wave layers at equal intervals along the circumferential direction.

4. The MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe as claimed in claim 1, wherein the height of the second reinforcing ribs is less than or equal to the height of the third reinforcing ribs.

5. The MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe as claimed in claim 1, wherein a plurality of pipe sleepers are sleeved at the wave crests or wave troughs of the outer wave layer, and the distance between every two adjacent pipe sleepers is 2-3 m.

6. The MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe as claimed in claim 1, wherein a plurality of first supporting flat plates are arranged at the wave crests of the outer wave layer, the distance between every two adjacent first supporting flat plates is 2-3 m, and the first supporting flat plates and the outer wave layer are integrally formed.

7. The MPPE modified polypropylene and polyethylene composite reinforced double-wall reinforced corrugated pipe as claimed in claim 1, wherein a plurality of second supporting flat plates are arranged at the pipe base between the outer corrugated layers, the distance between every two adjacent second supporting flat plates is 2-3 m, and the second supporting flat plates and the pipe base are integrally formed.