阅读说明：本技术 一种高分子复合给水管 (Polymer composite water supply pipe ) 是由 赵志兴 吴才芳 于 2021-09-18 设计创作，主要内容包括：本发明涉及管道技术领域,且公开了一种高分子复合给水管,包括给水管内管与给水管外管,所述给水管内管的外端表面设置有外保护层,所述树脂粘黏层一的内端表面设置有钢带层,所述给水管外管的外端表面设置有耐磨层,所述耐磨层的内端表面设置有防腐层,所述加强筋的之间上端安装有上安装环,所述加强筋的之间下端安装有下安装环。该高分子复合给水管,通过设置有外保护层与钢带层,使得给水管内管能够减小水流冲击的同时,也提高了给水管内管的整体强度,通过设置有耐磨层与防腐层,便于给水管外管耐磨防腐的同时,也能够对给水管内管进行保温,防止其冻裂,通过设置有上安装环与下安装环,便于安装的同时,也能对给水管内管起到缓冲减震的作用。(The invention relates to the technical field of pipelines and discloses a high-molecular composite water supply pipe which comprises a water supply pipe inner pipe and a water supply pipe outer pipe, wherein an outer protective layer is arranged on the surface of the outer end of the water supply pipe inner pipe, a steel belt layer is arranged on the surface of the inner end of a first resin adhesive layer, a wear-resistant layer is arranged on the surface of the outer end of the water supply pipe outer pipe, an anti-corrosion layer is arranged on the surface of the inner end of the wear-resistant layer, an upper mounting ring is arranged at the upper end between reinforcing ribs, and a lower mounting ring is arranged at the lower end between the reinforcing ribs. This compound feed pipe of polymer, through being provided with outer protective layer and steel tape layer for when the feed pipe inner tube can reduce the water impact, also improved the bulk strength of feed pipe inner tube, through being provided with wearing layer and anticorrosive coating, when the feed pipe outer tube of being convenient for is wear-resisting anticorrosive, also can keep warm to the feed pipe inner tube, prevents its frost crack, through being provided with collar and lower collar, when being convenient for to install, also can play the absorbing effect of buffering to the feed pipe inner tube.)

1. The utility model provides a compound feed pipe of polymer, includes feed pipe inner tube (1) and feed pipe outer tube (2), its characterized in that: the outer end surface of the water supply pipe inner pipe (1) is provided with an outer protective layer (3), the inner end surface of the outer protective layer (3) is provided with a first resin adhesive layer (4), the inner end surface of the first resin adhesive layer (4) is provided with a steel belt layer (5), the inner end surface of the steel belt layer (5) is provided with a second resin adhesive layer (6), the inner end surface of the second resin adhesive layer (6) is provided with an inner protective layer (7), the upper end of the water supply pipe inner pipe (1) is uniformly provided with reinforcing ribs (8), the outer end surface of the water supply pipe outer pipe (2) is provided with a wear-resistant layer (9), the inner end surface of the wear-resistant layer (9) is provided with an anti-corrosion layer (10), the inner end surface of the anti-corrosion layer (10) is provided with a heat preservation layer (11), the upper ends between the reinforcing ribs (8) are provided with an upper mounting ring (12), the lower mounting ring (13) is installed at the lower ends between the reinforcing ribs (8), the two sides of the upper mounting ring (12) are provided with upper connecting pieces (14), and the two sides of the lower mounting ring (13) are provided with lower connecting pieces (15).

2. The polymer composite water supply pipe according to claim 1, characterized in that: outer protective layer (3) and resin glue for fixed connection between layer (4), and outer protective layer (3) are made for the polyethylene material, be fixed connection between resin glue layer (4) and steel tape layer (5), and resin glue layer (4) and make for resin adhesive material, be fixed connection between steel tape layer (5) and resin glue layer two (6), and steel tape layer (5) is stainless steel material.

3. The polymer composite water supply pipe according to claim 1, characterized in that: be fixed connection between two (6) on resin sticky layer and inner protective layer (7), two (6) on resin sticky layer are made for resin adhesive material, inner protective layer (7) are made for the polyethylene material, be fixed connection between strengthening rib (8) and feed pipe inner tube (1), and strengthening rib (8) are synthetic plastics material, the quantity of strengthening rib (8) is a plurality of groups, and strengthening rib (8) are the linearity and arrange.

4. The polymer composite water supply pipe according to claim 1, characterized in that: be fixed connection between wearing layer (9) and anticorrosive coating (10), and wearing layer (9) are made for synthetic plastics, be fixed connection between anticorrosive coating (10) and heat preservation (11), and anticorrosive coating (10) are made for anticorrosive material, heat preservation (11) are made for insulating material.

5. The polymer composite water supply pipe according to claim 1, characterized in that: go up collar (12) and be swing joint between strengthening rib (8), and go up collar (12) and be semi-circular structure, it is the plastics material to go up collar (12), collar (13) is swing joint between strengthening rib (8) down, and collar (13) is semi-circular structure down, collar (13) are the plastics material down, the number of going up collar (12) and collar (13) down is a plurality of groups.

6. The polymer composite water supply pipe according to claim 1, characterized in that: the upper connecting piece (14) is fixedly connected with the upper mounting ring (12), the upper connecting piece (14) is of a rectangular structure, the lower connecting piece (15) is fixedly connected with the lower mounting ring (13), the lower connecting pieces (15) are of rectangular structures, the number of the upper connecting pieces (14) and the number of the lower connecting pieces (15) are a plurality of groups, the upper connecting piece (14) and the lower connecting piece (15) are symmetrically arranged, mounting holes (16) penetrate through the upper ends of the upper connecting piece (14) and the lower connecting piece (15), the mounting holes (16) are in a thread structure, the number of the mounting holes (16) is a plurality of groups, the mounting holes (16) are symmetrically arranged, the fixing bolts (17) are arranged in the mounting holes (16), and the fixing bolts (17) are movably connected with the mounting holes (16), and the number of the fixing bolts (17) is equal to that of the mounting holes (16).

7. The polymer composite water supply pipe according to claim 1, characterized in that: go up collar (12) and the upper end of collar (13) down and all be provided with buffer beam (18), and buffer beam (18) and last collar (12) and be fixed connection down between collar (13), buffer beam (18) are T word columnar structure, and buffer beam (18) are stainless steel matter, the upper end of buffer beam (18) is provided with buffering post (19), and is swing joint between buffering post (19) and buffer beam (18), buffering post (19) are cylindrical structure, the upper end of buffering post (19) is provided with backup pad (20), and is fixed connection between backup pad (20) and buffering post (19), backup pad (20) are the arc structure.

8. The polymer composite water supply pipe according to claim 7, characterized in that: the water supply pipe is characterized in that binding rods (21) are arranged on two sides of the upper end and the lower end of the inner portion of the outer water supply pipe (2), the binding rods (21) are fixedly connected with the outer water supply pipe (2), the binding rods (21) are arranged in four groups, the binding rods (21) are symmetrically arranged, the supporting plate (20) is matched with the binding rods (21), binding grooves (22) are formed in the buffering columns (19), the binding grooves (22) are of T-shaped column structures, the buffering rods (18) are matched with the binding grooves (22), rigid springs (23) are arranged in the binding grooves (22), and the rigid springs (23) are movably connected with the binding grooves (22).

Technical Field

The invention relates to the technical field of pipelines, in particular to a high-molecular composite water supply pipe.

Background

The water supply pipe is a green, energy-saving and environment-friendly pipe, is not rusty, does not scale, does not reduce diameter, has small fluid resistance, can effectively reduce the energy consumption of water supply and improve the water supply quantity of water points, is an ideal pipeline for a pipe network, currently causes increasingly serious water resource shortage and water environment pollution in China, not only troubles the countryside of China, but also becomes an important factor restricting the sustainable development of social economy, the building industry is the industry of pillars in China, the design, construction and maintenance of a building water supply and drainage system are well done, the concrete means for realizing water saving, energy saving and water quality pollution prevention and treatment are also the urgent requirements for saving energy, reducing emission and realizing environment protection.

Traditional feed pipe in the use, when can not reduce water impact, also do not possess wear-resisting anticorrosive characteristic yet, and be the individual layer structure mostly, be not convenient for keep warm to the feed pipe, cause its frost crack in bad weather easily, and do not possess the buffering shock attenuation.

For example, the polymer composite PE water supply pipe (application number: CN110425375A) disclosed in the prior patent solves the problems that when the PE water supply pipe is used for conveying water to residents in an ore region, a large amount of scale is formed in the pipe due to minerals in the ore region, so that the water supply pipe is blocked, the drainage efficiency is greatly reduced, and the formed scale is harmful to the health of people.

As another example, an environment-friendly PE water supply pipe (application No. CN110397798A) disclosed in the prior patent may be attached to the inner wall of the pipe body to reduce the influence on water flow, but has no double-layer structure, which is not convenient for the inner pipe of the water supply pipe to preserve heat and cause frost cracking, nor for the inner pipe of the water supply pipe to perform the function of buffering and damping, so we propose a polymer composite water supply pipe.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the high-polymer composite water supply pipe, the outer protective layer and the steel belt layer are arranged, so that the overall strength of the inner pipe of the water supply pipe can be improved while the water flow impact of the inner pipe of the water supply pipe can be reduced, the wear-resistant layer and the anti-corrosion layer are arranged, the outer pipe of the water supply pipe is convenient to wear and resist corrosion, the inner pipe of the water supply pipe can be insulated to prevent frost cracking, and the upper mounting ring and the lower mounting ring are arranged, so that the installation is convenient, and the effect of buffering and damping can be realized on the inner pipe of the water supply pipe.

(II) technical scheme

In order to realize the effect that the water supply pipe inner pipe can reduce water flow impact by arranging the outer protective layer, the heat preservation and frost cracking prevention of the water supply pipe inner pipe are facilitated by arranging the wear-resistant layer, and the buffering and damping effect on the water supply pipe inner pipe is facilitated by arranging the upper mounting ring and the lower mounting ring, the invention provides the following technical scheme: a macromolecule composite water supply pipe comprises a water supply pipe inner pipe and a water supply pipe outer pipe, wherein the outer end surface of the water supply pipe inner pipe is provided with an outer protective layer, the inner end surface of the outer protective layer is provided with a first resin adhesive layer, the inner end surface of the first resin adhesive layer is provided with a steel belt layer, the inner end surface of the steel belt layer is provided with a resin adhesive layer II, the inner end surface of the resin adhesive layer II is provided with an inner protective layer, reinforcing ribs are uniformly arranged at the upper end of the inner pipe of the water supply pipe, a wear-resistant layer is arranged on the surface of the outer end of the outer pipe of the water supply pipe, the inner end surface of the wear-resistant layer is provided with an anticorrosive layer, the inner end surface of the anticorrosive layer is provided with a heat-insulating layer, the upper end between the reinforcing ribs is provided with an upper mounting ring, the lower end between the reinforcing ribs is provided with a lower mounting ring, the two sides of the upper mounting ring are provided with upper connecting pieces, and the two sides of the lower mounting ring are provided with lower connecting pieces.

Preferably, be fixed connection between outer protective layer and the resin glues and glues layer one, and outer protective layer is made for the polyethylene material, be fixed connection between resin glues layer one and the steel tape layer, and resin glues layer one and is made for resin mucilage binding material, be fixed connection between steel tape layer and the resin glues layer two, and the steel tape layer is stainless steel material.

Preferably, be fixed connection between the sticky layer two of resin and the inner protective layer, the sticky layer two of resin is made for resin adhesive material, the inner protective layer is made for the polyethylene material, be fixed connection between strengthening rib and the feed pipe inner tube, and the strengthening rib is synthetic plastics material, the quantity of strengthening rib is a plurality of groups, and the strengthening rib is the linear arrangement.

Preferably, be fixed connection between wearing layer and the anticorrosive coating, and the wearing layer is made for synthetic plastics, be fixed connection between anticorrosive coating and the heat preservation, and the anticorrosive coating is made for anticorrosive material, the heat preservation is made for heat preservation material.

Preferably, the upper mounting ring is movably connected between the reinforcing ribs and is of a semicircular structure, the upper mounting ring is made of plastic, the lower mounting ring is movably connected between the reinforcing ribs and is of a semicircular structure, the lower mounting ring is made of plastic, and the number of the upper mounting ring and the number of the lower mounting ring are a plurality of groups.

Preferably, go up for fixed connection between connecting piece and the last collar, and go up the connecting piece and be the rectangle structure, be fixed connection between lower connecting piece and the lower collar, and the connecting piece is the rectangle structure down, the quantity of going up connecting piece and lower connecting piece is a plurality of groups, and goes up the connecting piece and all be the symmetry with lower connecting piece and arrange, it has the mounting hole all to run through with the upper end of lower connecting piece to go up the connecting piece, and the mounting hole is the helicitic texture, the quantity of mounting hole is a plurality of groups, and the mounting hole is the symmetry and arranges, the internally mounted of mounting hole has fixing bolt, and is swing joint between fixing bolt and the mounting hole, fixing bolt's quantity equals with the quantity of mounting hole.

Preferably, the upper end of going up the collar and all being provided with the buffer beam with the collar down, and be fixed connection between buffer beam and last collar and the collar down, the buffer beam is T style of calligraphy columnar structure, and the buffer beam is stainless steel material, the upper end of buffer beam is provided with the cushion post, and is swing joint between cushion post and the cushion post, the cushion post is cylindrical structure, the upper end of cushion post is provided with the backup pad, and is fixed connection between backup pad and the cushion post, the backup pad is the arc structure.

Preferably, the upper end and the lower end of the inner part of the outer water supply pipe are provided with binding rods, the binding rods are fixedly connected with the outer water supply pipe, the binding rods are four groups and are symmetrically arranged, the supporting plate is matched with the binding rods, the buffer column is internally provided with a binding groove, the binding groove is of a T-shaped column structure and is matched with the binding groove, the binding groove is internally provided with a rigid spring, and the rigid spring is movably connected with the binding groove.

(III) advantageous effects

Compared with the prior art, the invention provides a polymer composite water supply pipe, which has the following beneficial effects:

1. this compound feed pipe of polymer through being provided with outer protective layer, steel tape layer, inner protective layer and strengthening rib, the stainless steel tape layer wherein of outer protective layer and the inner protective layer cooperation that the polyethylene material made for the feed pipe inner tube can reduce the water impact, and the strengthening rib that evenly arranges in feed pipe inner tube upper end has also improved the bulk strength of feed pipe inner tube.

2. This compound feed pipe of polymer through being provided with wearing layer, anticorrosive coating and heat preservation for wearing layer and anticorrosive coating can be convenient for feed pipe outer tube outer wall's wear-resisting anticorrosive, and the isolation between feed pipe outer tube inner wall heat preservation and feed pipe inner tube and the feed pipe outer tube is favorable to the heat preservation between feed pipe inner tube and the feed pipe outer tube simultaneously, prevents that the feed pipe inner tube from frost crack in bad weather.

3. This compound feed pipe of polymer through being provided with collar, buffer beam and buffering post down, when being convenient for install between feed pipe inner tube and the feed pipe outer tube, the buffer beam is connected with buffering post and stiff spring, also can play the absorbing effect of buffering to the feed pipe inner tube when receiving external force collision.

Drawings

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

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a split view of the structure of the present invention;

FIG. 4 is a partial side sectional view of the inner tube of the service pipe of the present construction;

FIG. 5 is a partial side sectional view of the outer tube of a service pipe of the construction of the present invention;

FIG. 6 is a schematic structural view of the upper and lower mounting rings of the present invention;

FIG. 7 is a partial side sectional view of the bumper beam and bumper post of the present invention.

In the figure: 1. an inner pipe of a water supply pipe; 2. an outer pipe of the water supply pipe; 3. an outer protective layer; 4. a first resin adhesive layer; 5. a steel belt layer; 6. a second resin adhesive layer; 7. an inner protective layer; 8. reinforcing ribs; 9. a wear layer; 10. an anticorrosive layer; 11. a heat-insulating layer; 12. an upper mounting ring; 13. a lower mounting ring; 14. an upper connecting piece; 15. a lower connecting piece; 16. mounting holes; 17. fixing the bolt; 18. a buffer rod; 19. a buffer column; 20. a support plate; 21. a lashing rod; 22. a binding groove; 23. a stiff spring.

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. 1-7, a polymer composite water supply pipe comprises a water supply pipe inner pipe 1 and a water supply pipe outer pipe 2, an outer protective layer 3 is arranged on the outer end surface of the water supply pipe inner pipe 1, a first resin adhesive layer 4 is arranged on the inner end surface of the outer protective layer 3, a steel belt layer 5 is arranged on the inner end surface of the first resin adhesive layer 4, a second resin adhesive layer 6 is arranged on the inner end surface of the steel belt layer 5, an inner protective layer 7 is arranged on the inner end surface of the second resin adhesive layer 6, reinforcing ribs 8 are uniformly arranged at the upper end of the water supply pipe inner pipe 1, a wear-resistant layer 9 is arranged on the outer end surface of the water supply pipe outer pipe 2, an anti-corrosion layer 10 is arranged on the inner end surface of the wear-resistant layer 9, a heat preservation layer 11 is arranged on the inner end surface of the anti-corrosion layer 10, an upper mounting ring 12 is arranged at the upper end between the reinforcing ribs 8, a lower mounting ring 13 is arranged at the lower end between the reinforcing ribs 8, upper mounting ring 12 is provided with an upper connecting piece 14 at two sides, lower attachment members 15 are provided on both sides of the lower mounting ring 13.

Outer protective layer 3 glues for fixed connection between the glutinous layer 4 with the resin, and outer protective layer 3 makes for the polyethylene material, and resin glues for fixed connection between glutinous layer 4 and the steel tape layer 5, and resin glues glutinous layer 4 and makes for resin mucilage binding material, is fixed connection between steel tape layer 5 and the resin glues glutinous layer two 6, and steel tape layer 5 is stainless steel, is favorable to steel tape layer 5 and outer protective layer 3 cooperation, reduces the impact of rivers.

For fixed connection between two 6 and the inner protective layer 7 of resin gluing layer, two 6 of resin gluing layer are made for resin adhesive material, and inner protective layer 7 is made for the polyethylene material, is fixed connection between strengthening rib 8 and the feed pipe inner tube 1, and strengthening rib 8 is synthetic plastics material, and the quantity of strengthening rib 8 is a plurality of groups, and strengthening rib 8 is linear and arranges, and the strengthening rib 8 that is favorable to evenly arranging has improved the bulk strength of feed pipe inner tube 1.

Be fixed connection between wearing layer 9 and the anticorrosive coating 10, and wearing layer 9 makes for synthetic plastics, is fixed connection between anticorrosive coating 10 and the heat preservation 11, and anticorrosive coating 10 makes for anticorrosive material, and heat preservation 11 makes for insulation material, is favorable to the heat preservation between feed pipe inner tube 1 and the feed pipe outer tube 2, prevents that feed pipe inner tube 1 from frost crack in bad weather.

Go up collar 12 and be swing joint between strengthening rib 8, and go up collar 12 and be semi-circular structure, go up collar 12 and be the plastics material, lower collar 13 is swing joint between strengthening rib 8, and collar 13 is semi-circular structure down, and collar 13 is the plastics material down, and the number of going up collar 12 and collar 13 down is a plurality of groups, is favorable to going up collar 12 and collar 13 down the installation use.

Go up and be fixed connection between connecting piece 14 and the last collar 12, and go up connecting piece 14 and be the rectangle structure, be fixed connection between lower connecting piece 15 and the lower collar 13, and connecting piece 15 is the rectangle structure down, it is a plurality of groups to go up connecting piece 14 and the quantity of lower connecting piece 15, and it all is the symmetry with lower connecting piece 15 to go up connecting piece 14 and arranges, it has mounting hole 16 all to run through with the upper end of lower connecting piece 15 to go up connecting piece 14, and mounting hole 16 is the helicitic texture, the quantity of mounting hole 16 is a plurality of groups, and mounting hole 16 is the symmetry and arranges, the internally mounted of mounting hole 16 has fixing bolt 17, and be swing joint between fixing bolt 17 and the mounting hole 16, fixing bolt 17's quantity equals with the quantity of mounting hole 16, mounting hole 16 and fixing bolt 17 are favorable to going up and carry out fixed connection between collar 12 and the lower collar 13.

Go up the collar 12 and all be provided with buffer beam 18 with the upper end of collar 13 down, and buffer beam 18 with last collar 12 and be fixed connection down between the collar 13, buffer beam 18 is T word columnar structure, and buffer beam 18 is stainless steel, the upper end of buffer beam 18 is provided with buffer column 19, and be swing joint between buffer column 19 and the buffer column 18, buffer column 19 is cylindrical structure, buffer column 19's upper end is provided with backup pad 20, and be fixed connection between backup pad 20 and the buffer column 19, backup pad 20 is the arc structure, be favorable to installing and tie backup pad 20, prevent that it from taking place to rotate.

Both sides of the upper end and the lower end of the inside of the water supply pipe outer pipe 2 are provided with constraint rods 21, and the constraint rods 21 are fixedly connected with the water supply pipe outer pipe 2, the number of the constraint rods 21 is four, the constraint rods 21 are symmetrically arranged, the support plate 20 is matched with the constraint rods 21, the inside of the buffer column 19 is provided with a constraint groove 22, the constraint groove 22 is of a T-shaped column structure, the buffer rod 18 is matched with the constraint groove 22, the inside of the constraint groove 22 is provided with a rigid spring 23, the rigid spring 23 is movably connected with the constraint groove 22, the buffer rod 18 is facilitated, the buffer column 19 is matched with the rigid spring 23 for use, and the buffer damping effect is realized on the water supply pipe inner pipe 1 when the external force is collided.

When the water supply pipe inner pipe 1 and the water supply pipe outer pipe 2 are installed, when a user assembles the water supply pipe inner pipe 1 and the water supply pipe outer pipe 2, the upper mounting ring 12 and the lower mounting ring 13 are installed between the reinforcing ribs 8 on two sides, the upper mounting ring 12 and the lower mounting ring 13 are fixedly connected through the upper connecting piece 14 and the lower connecting piece 15 by the fixing bolts 17 installed in the communicated mounting holes 16, the impact between the upper mounting ring 12 and the lower mounting ring 13 is prevented, after the upper mounting ring 12 and the lower mounting ring 13 are installed, the supporting plate 20 at the upper end of the upper mounting ring 12 and the lower mounting ring 13 slides into the binding rods 21 at two sides of the upper end and the lower end in the water supply pipe outer pipe 2, the supporting plate 20 is limited, and further, the rotation of the water supply pipe inner pipe 1 is prevented.

In conclusion, in the polymer composite water supply pipe, the inner pipe 1 of the water supply pipe is internally provided with the outer protective layer 3, the steel belt layer 5, the inner protective layer 7 and the reinforcing ribs 8, the outer protective layer 3 made of polyethylene material and the inner protective layer 5 are matched with the stainless steel belt layer 7, so that the water flow impact of the inner pipe 1 of the water supply pipe can be reduced, the reinforcing ribs 8 uniformly distributed at the upper end of the inner pipe 1 of the water supply pipe also improve the overall strength of the inner pipe 1 of the water supply pipe, the inner pipe 2 of the water supply pipe is internally provided with the wear-resistant layer 9, the corrosion-resistant layer 10 and the heat-insulating layer 11, so that the wear-resistant layer 9 and the corrosion-resistant layer 10 can facilitate the wear resistance and corrosion resistance of the outer wall of the outer pipe 2 of the water supply pipe, and the heat-insulating layer 11 in the inner wall of the outer pipe 2 of the water supply pipe and the inner pipe 1 and the outer pipe 2 of the water supply pipe are isolated, the heat insulation between the inner pipe 1 and the outer pipe 2 of the water supply pipe is facilitated, and the water supply pipe 1 is prevented from frost cracking in bad weather, go up buffer rod 18 and cushion column 19 of collar 12 and 13 upper ends of lower collar, when water supply pipe inner tube 1 received external force impact, buffer rod 18 will remove along the inside constraint groove 22 of cushion column 19, and extrude stiff spring 23 wherein, the deformation is slowed down fast after the deformation takes place for the atress of stiff spring 23, and resume deformation gradually, make water supply pipe inner tube 1 slightly rock in water supply pipe outer tube 2's inside, play buffering absorbing effect to water supply pipe inner tube 1, the life of water supply pipe inner tube 1 has been promoted, the installation of the compound water supply pipe of polymer is used.

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.

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.