CN212080377U

CN212080377U - Polyethylene plastic composite pipe with good corrosion resistance

Info

Publication number: CN212080377U
Application number: CN202020643099.8U
Authority: CN
Inventors: 穆奎安; 庞明东; 王志跃
Original assignee: Nanjing Anyuan Pipeline Technology Co ltd
Current assignee: Nanjing Anyuan Pipeline Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-04
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to an anticorrosive technical field just discloses a compound pipe of polyethylene plastics that corrosion resistance is good, including aluminum alloy basic unit, aluminum alloy basic unit's fixed surface installs the polyethylene plastic layer, the fixed surface of polyethylene plastic layer installs the antifouling layer of nanometer titanium dioxide. This compound pipe of polyethylene that corrosion resistance is good, install the inside at the polyethylene plastic layer through aluminum alloy basic unit, the intensity of polyethylene plastic layer has been promoted, avoid liquid and polyethylene plastic layer to contact and pollute through the antifouling layer of nanometer titanium dioxide, further avoid sewage corrosion polyethylene plastic layer, it is chemical corrosion resistant and heat-resisting through ABS plastic layer, and have certain surface hardness, protect compound intraduct, avoid the liquid of intraductal transportation to contact with the polyethylene plastic layer, through interior wearing course and outer wearing course, the wear resistance of whole compound pipe has been promoted, thereby difficult wearing and tearing, the purpose that corrosion resistance is good has been reached.

Description

Polyethylene plastic composite pipe with good corrosion resistance

Technical Field

The utility model relates to an anticorrosive technical field specifically is a compound pipe of polyethylene plastics that corrosion resistance is good.

Background

The polyethylene composite pipe is prepared by respectively plasticizing and melting two kinds of polyethylene resin with different densities by two extruders at the same time, and then extruding the molten materials into a mold capable of forming the composite pipe, wherein the formed pipe is the polyethylene composite pipe.

The polyethylene plastic composite pipes on the market at present are various, but generally have the defect of poor corrosion resistance, and as the polyethylene plastic composite pipes are gradually applied to various fields, the installation environments are different, most of the polyethylene plastic composite pipes with poor corrosion resistance are easy to damage, so that economic loss is caused, and the polyethylene plastic composite pipes with good corrosion resistance are provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a compound pipe of polyethylene that corrosion resistance is good possesses advantages such as corrosion resistance is good, has solved the general shortcoming that has not good corrosion resistance, along with the compound pipe of polyethylene uses each field gradually, the environment of installation is also respectively different, and the compound pipe of polyethylene that most corrosion resistance is poor very easily damages, has caused the problem of economic loss.

(II) technical scheme

In order to realize the purpose of good corrosion resistance, the utility model provides a following technical scheme: a polyethylene plastic composite pipe with good corrosion resistance comprises an aluminum alloy base layer, wherein a polyethylene plastic layer is fixedly arranged on the outer surface of the aluminum alloy base layer, a nano titanium dioxide antifouling layer is fixedly arranged on the outer surface of the polyethylene plastic layer, an ABS plastic layer is fixedly arranged inside the aluminum alloy base layer, an inner grinding layer is fixedly arranged on the outer surface of the nano titanium dioxide antifouling layer, an activated carbon layer is fixedly arranged on the outer surface of the inner grinding layer, an outer grinding layer is fixedly arranged on the outer surface of the activated carbon layer, a connecting frame is fixedly arranged on the outer surface of the outer grinding layer, connectors are respectively arranged on the left side and the right side of the connecting frame, positioning blocks are respectively and fixedly arranged on the left side wall and the right side wall of an inner cavity of the connecting frame, a sliding block is movably arranged inside the positioning blocks, a first fixing sleeve is fixedly arranged at the bottom, the bottom fixed mounting of first fixed cover has the inserted block, the draw-in groove has been seted up at the top of the fixed cover of second, the thread groove has been seted up at the top of link, the inside movable mounting of thread groove has the threaded rod.

Preferably, the inner diameter of the aluminum alloy base layer is matched with the outer diameter of the polyethylene plastic layer, and the aluminum alloy base layer is in the shape of a cylinder with a hollow inner part.

Preferably, the outer grinding layers are fixedly arranged in the connecting port, and the two outer grinding layers are symmetrically distributed on the left side and the right side of the central axis of the connecting frame.

Preferably, the positioning grooves are formed in the opposite sides of the two positioning blocks, and the sliding block is movably arranged in the positioning grooves.

Preferably, the inner diameters of the first fixing sleeve and the second fixing sleeve are matched with the outer diameter of the outer grinding layer, and the insertion block faces the direction of the clamping groove.

Preferably, seal sleeves are fixedly mounted on the outer surfaces of the left side and the right side of the connecting frame and located on the outer grinding layer, and the two seal sleeves are symmetrically distributed on the left side and the right side of the central axis of the connecting frame.

(III) advantageous effects

Compared with the prior art, the utility model provides a compound pipe of polyethylene plastics that corrosion resistance is good possesses following beneficial effect:

1. this compound pipe of polyethylene plastics that corrosion resistance is good, install the inside at the polyethylene plastic layer through aluminum alloy basic unit, the intensity of polyethylene plastic layer has been promoted, avoid liquid and polyethylene plastic layer to contact and pollute through the antifouling layer of nanometer titanium dioxide, further avoid sewage corrosion polyethylene plastic layer, it is chemical corrosion resistant and heat-resisting through ABS plastic layer, and have certain surface hardness, protect compound intraduct, avoid the liquid of intraductal transportation to contact with the polyethylene plastic layer, through interior wearing course and outer wearing course, the wear resistance of whole compound pipe has been promoted, thereby difficult wearing and tearing, locate between interior wearing course and the outer wearing course through the activated carbon layer, can be with the moisture absorption in the outside, prevent the body corruption, the purpose that corrosion resistance is good has been reached.

2. This compound pipe of polyethylene plastics that corrosion resistance is good, through rotating the threaded rod, the threaded rod pushes down in the thread groove, takes the slider to slide in the inside of locating piece, and the first fixed cover of slider bottom is along with removing together, and the inserted block is inserted in the inside of draw-in groove at last, then seals the link once more through the outside seal cover, has promoted the sealing performance between two compound pipes, avoids moisture and gas to get into intraductally from the junction to the purpose that corrosion resistance is good has been reached.

Drawings

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

fig. 2 is a schematic structural view of the polyethylene plastic layer of the present invention;

fig. 3 is a schematic structural diagram of the clamping groove of the present invention.

In the figure: 1 aluminum alloy base layer, 2 polyethylene plastic layers, 3 nanometer titanium dioxide antifouling layers, 4 ABS plastic layers, 5 internal grinding layers, 6 active carbon layers, 7 external grinding layers, 8 connecting frames, 9 connecting ports, 10 positioning blocks, 11 sliding blocks, 12 first fixing sleeves, 13 second fixing sleeves, 14 inserting blocks, 15 clamping grooves, 16 thread grooves and 17 threaded rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a polyethylene plastic composite pipe with good corrosion resistance comprises an aluminum alloy base layer 1, a polyethylene plastic layer 2 is fixedly installed on the outer surface of the aluminum alloy base layer 1, the inner diameter of the aluminum alloy base layer 1 is matched with the outer diameter of the polyethylene plastic layer 2, the aluminum alloy base layer 1 is in the shape of a cylinder with a hollow inner part, a nano titanium dioxide antifouling layer 3 is fixedly installed on the outer surface of the polyethylene plastic layer 2, an ABS plastic layer 4 is fixedly installed inside the aluminum alloy base layer 1, the strength of the polyethylene plastic layer 2 is improved by installing the aluminum alloy base layer 1 inside the polyethylene plastic layer 2, the nano titanium dioxide antifouling layer 3 prevents liquid from contacting and polluting the polyethylene plastic layer 2, further prevents sewage from corroding the polyethylene plastic layer 2, resists chemical corrosion and heat and has certain surface hardness by the ABS plastic layer 4, the interior of the composite pipe is protected, liquid transported in the pipe is prevented from contacting the polyethylene plastic layer 2, the composite pipe passes through the inner grinding layer 5 and the outer grinding layer 7, after the threaded rod 17 is rotated, the threaded rod 17 is pressed down in the threaded groove 16 to drive the sliding block 11 to slide in the positioning block 10, the first fixing sleeve 12 at the bottom of the sliding block 11 moves along with the threaded rod, finally the insert block 14 is inserted in the clamping groove 15, then the connecting frame 8 is sealed again through the outer sealing sleeve, the sealing performance between the two composite pipes is improved, moisture and gas are prevented from entering the pipe from the joint, the purpose of good corrosion resistance is achieved, the wear resistance of the whole composite pipe is improved, the wear resistance is not easy to wear, the active carbon layer 6 is arranged between the inner grinding layer 5 and the outer grinding layer 7, the moisture on the outer side can be absorbed, the pipe body is prevented from being corroded, the purpose of good corrosion resistance is achieved, the inner grinding layer 5 is fixedly arranged on the outer, an active carbon layer 6 is fixedly arranged on the outer surface of the inner grinding layer 5, an outer grinding layer 7 is fixedly arranged on the outer surface of the active carbon layer 6, the outer grinding layer 7 is fixedly arranged in a connecting port 9, the two outer grinding layers 7 are symmetrically distributed on the left side and the right side of the central axis of the connecting frame 8, a connecting frame 8 is fixedly arranged on the outer surface of the outer grinding layer 7, sealing sleeves are fixedly arranged on the left side and the right side of the connecting frame 8 and positioned on the outer surface of the outer grinding layer 7, the two sealing sleeves are symmetrically distributed on the left side and the right side of the central axis of the connecting frame 8, the connecting port 9 is respectively arranged on the left side and the right side of the inner cavity of the connecting frame 8, positioning blocks 10 are respectively fixedly arranged on the left side and the right side of the inner cavity of the connecting frame 8, positioning grooves are respectively arranged on one, the internal diameter of the first fixed cover 12 and the fixed cover 13 of second all with the external diameter looks adaptation of outer grinding layer 7, the inserted block 14 towards draw-in groove 15 direction, the diapire fixed mounting of the 8 inner chambers of link span has the fixed cover 13 of second, the bottom fixed mounting of the first fixed cover 12 has the inserted block 14, draw-in groove 15 has been seted up at the top of the fixed cover 13 of second, thread groove 16 has been seted up at the top of link span 8, the inside movable mounting of thread groove 16 has threaded rod 17.

When using, install in the inside of polyethylene plastic layer 2 through aluminum alloy basic unit 1, promoted the intensity of polyethylene plastic layer 2, avoid liquid and polyethylene plastic layer 2 to carry out contact and pollution through the antifouling layer 3 of nanometer titanium dioxide, further avoid sewage corrosion polyethylene plastic layer 2.

In conclusion, this compound pipe of polyethylene plastics that corrosion resistance is good, install in the inside of polyethylene plastic layer 2 through aluminum alloy basic unit 1, the intensity of polyethylene plastic layer 2 has been promoted, avoid liquid and polyethylene plastic layer 2 to contact and pollute through the antifouling layer 3 of nanometer titanium dioxide, further avoid sewage to corrode polyethylene plastic layer 2, it is resistant chemical corrosion and heat-resisting through ABS plastic layer 4, and have certain surface hardness, protect the compound intraduct, avoid the liquid of intraductal transportation to contact with polyethylene plastic layer 2, through interior grinding 5 and outer grinding 7, the wear resistance of whole compound pipe has been promoted, thereby difficult wearing and tearing, locate between interior grinding 5 and the outer grinding 7 through activated carbon layer 6, can be with the moisture absorption in the outside, prevent the body corrosion, the purpose that corrosion resistance is good has been reached.

And, after rotating the threaded rod 17, the threaded rod 17 pushes down in the thread groove 16, drive the slide block 11 to slide in the inside of the locating piece 10, and the first fixed sleeve 12 of the bottom of the slide block 11 moves along with it, finally the insert block 14 is inserted in the inside of the neck 15, then seal the link 8 again through the outside gland bush, has promoted the sealing performance between two compound tubes, avoid moisture and gas to enter the tube from the junction, thus has reached the good purpose of corrosion resistance, has solved the bad disadvantage of corrosion resistance of existing generally, apply to each field gradually with the polyethylene plastic compound tube, the environment of installation is also different, most polyethylene plastic compound tubes with bad corrosion resistance are very apt to damage, have caused the problem of economic loss.

It is to be noted that 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound pipe of polyethylene plastics that corrosion resistance is good, includes aluminum alloy base layer (1), its characterized in that: the outer surface fixed mounting of aluminum alloy basic unit (1) has polyethylene plastic layer (2), the outer surface fixed mounting of polyethylene plastic layer (2) has antifouling layer of nanometer titanium dioxide (3), the inside fixed mounting of aluminum alloy basic unit (1) has ABS plastic layer (4), the outer surface fixed mounting of antifouling layer of nanometer titanium dioxide (3) has interior wearing course (5), the outer surface fixed mounting of interior wearing course (5) has activated carbon layer (6), the outer surface fixed mounting of activated carbon layer (6) has outer wearing course (7), the outer surface fixed mounting of outer wearing course (7) has link (8), connector (9) have all been seted up to the left and right sides of link (8), the equal fixed mounting of the left and right sides wall in link (8) inner chamber has locating piece (10), the inside movable mounting of locating piece (10) has slider (11), the bottom fixed mounting of slider (11) has first fixed cover (12), the diapire fixed mounting of link (8) inner chamber has the fixed cover of second (13), the bottom fixed mounting of first fixed cover (12) has inserted block (14), draw-in groove (15) have been seted up at the top of the fixed cover of second (13), thread groove (16) have been seted up at the top of link (8), the inside movable mounting of thread groove (16) has threaded rod (17).

2. The polyethylene plastic composite pipe with good corrosion resistance as claimed in claim 1, wherein: the inner diameter of the aluminum alloy base layer (1) is matched with the outer diameter of the polyethylene plastic layer (2), and the aluminum alloy base layer (1) is in the shape of a cylinder with a hollow inner part.

3. The polyethylene plastic composite pipe with good corrosion resistance as claimed in claim 1, wherein: outer wearing layer (7) fixed mounting is in the inside of connector (9), two outer wearing layer (7) are the symmetric distribution in the left and right sides of link (8) axis.

4. The polyethylene plastic composite pipe with good corrosion resistance as claimed in claim 1, wherein: locating grooves are formed in one opposite sides of the two locating blocks (10), and the sliding blocks (11) are movably mounted inside the locating grooves.

5. The polyethylene plastic composite pipe with good corrosion resistance as claimed in claim 1, wherein: the inner diameters of the first fixing sleeve (12) and the second fixing sleeve (13) are matched with the outer diameter of the outer grinding layer (7), and the insertion block (14) faces to the direction of the clamping groove (15).

6. The polyethylene plastic composite pipe with good corrosion resistance as claimed in claim 1, wherein: sealing sleeves are fixedly mounted on the outer surfaces of the left side and the right side of the connecting frame (8) and the outer grinding layer (7), and are symmetrically distributed on the left side and the right side of the central axis of the connecting frame (8).