WO2021212525A1 - Hdpe hollow wall composite multi-rib reinforced coil pipe - Google Patents

Hdpe hollow wall composite multi-rib reinforced coil pipe Download PDF

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Publication number
WO2021212525A1
WO2021212525A1 PCT/CN2020/086999 CN2020086999W WO2021212525A1 WO 2021212525 A1 WO2021212525 A1 WO 2021212525A1 CN 2020086999 W CN2020086999 W CN 2020086999W WO 2021212525 A1 WO2021212525 A1 WO 2021212525A1
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Prior art keywords
rib
hdpe
hollow
upper plate
lower plate
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PCT/CN2020/086999
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French (fr)
Chinese (zh)
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高林
梁强
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淄博金洋达塑业有限公司
广东坤达管业有限公司
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Publication of WO2021212525A1 publication Critical patent/WO2021212525A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
    • F16L9/128—Reinforced pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies

Definitions

  • the invention relates to the field of HDPE pipes, and more specifically to a composite multi-rib reinforced winding of HDPE hollow walls.
  • HDPE corrugated pipes Most of the pipes used in urban drainage and sewage facilities are HDPE corrugated pipes, but the ring stiffness of HDPE corrugated pipes is low and it is very easy to be damaged when used.
  • the present invention overcomes the shortcomings in the prior art and provides a HDPE hollow-wall composite multi-rib reinforced winding pipe. Most of the pressure of the pipe is borne by the multi-rib reinforced skeleton in the pipe wall. In this way, the pipe’s performance can be greatly improved. Ring stiffness.
  • a HDPE hollow-wall composite multi-rib reinforced winding pipe includes a hollow pipe wall and a multi-rib reinforced frame.
  • the multi-rib reinforced frame is arranged in the hollow pipe wall.
  • the multi-rib reinforced frame consists of an upper plate, a lower plate and It is composed of a plurality of ribs arranged between the upper plate and the lower plate.
  • the upper plate is parallel to the lower plate, and the adjacent hollow pipe walls are vertically passed through HDPE hot melt material.
  • the hollow pipe wall is made of HDPE material
  • the multi-rib reinforced frame is made of polymer polymer material.
  • the multi-rib reinforced skeleton has a single cavity structure, a plurality of triangular cavity structures or a cylindrical structure.
  • the single-cavity structure includes two ribs, the ribs are arranged at an angle or perpendicular to the upper plate and the lower plate, and the thickness of the ribs is the same as that of the upper plate and the lower plate. 1.1 times the following plate.
  • the plurality of triangular structures are composed of more than two rib columns, wherein the rib column includes a side rib column and at least one middle rib column, and the side rib column forms an angle with the upper plate and the lower plate.
  • the side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged inside the side rib column to divide the cavity into a plurality of small cavities.
  • the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively.
  • the thickness of the middle rib column is 1.2 times the thickness of the side rib column.
  • the cylindrical structure is composed of no less than two rib columns, wherein the rib column includes a side rib column and at least one middle rib column, and the side rib column is connected to the upper plate and the lower plate.
  • the side rib column forms a cavity with the upper plate and the lower plate
  • the middle rib column is arranged inside the side rib column to divide the cavity into a plurality of small cavities.
  • the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column is 1.2 times of the thickness of the side rib column.
  • the wall of the hollow tube is provided with a single-hole lumen or a porous lumen, and the shape of the single-hole lumen and the porous lumen is rectangular or rectangular.
  • the widths of the single-hole lumen and the porous lumens are both greater than the height of their respective lumen, and the bottom thickness of the single-hole lumen and the porous lumen are both greater than that of the respective lumen. The thickness of the other walls.
  • each structural form has the best mechanical properties, forming single or multiple triangular and cylindrical structures, and the load-bearing capacity will be greatly improved, which can give full play to the maximum strength of the composite rigid material.
  • Mechanical properties the combination of the two advantages is more obvious; at the same time, the various forms of multi-rib reinforced skeletons make HDPE hollow-wall composite (multi-rib) reinforced winding pipes compared with plastic pipes without steel strips, and the ring stiffness is much increased.
  • the overall weight increase is not large, which greatly saves the use of plastic raw materials, and achieves the purpose of energy saving and environmental protection;
  • the thickness of the middle rib is 1.2 times of the thickness of the ribs on both sides, and the thickness of the ribs on both sides is 1.1 times of the thickness of the upper and lower plates of the framework. It coordinates the distribution of external forces between the ribs to make each rib bear the maximum pressure at the same time;
  • the invention improves the weak point of low stiffness of the hollow wall wound pipe ring, and compositely adds a polymer polymer multi-rib reinforced skeleton into the hollow wall cavity of HDPE, which not only improves the ring stiffness but also maintains the original ring flexibility, so that the mechanical properties of the pipe are improved. Greatly improved, it is an improvement and replacement of the original hollow wall winding pipe. It is very suitable for rain and sewage drainage under various conditions. The pipe will not rust during use and will not crack due to uneven thermal expansion and contraction. .
  • Fig. 1 is a schematic structural diagram of a preferred embodiment 1 of the composite reinforced winding pipe of the present invention
  • Figure 2 is a partial enlarged view of embodiment 1;
  • Figure 3 is a hollow tube wall provided with a single-hole lumen
  • FIGS. 4a and 4b are schematic diagrams of the hollow tube wall structure with porous tube wall
  • Figures 5a, 5b, and 5c are structural schematic diagrams of the multi-rib reinforced skeleton structure being a single cavity structure
  • Fig. 6a, Fig. 6b, Fig. 6c are structural schematic diagrams in which the multi-rib reinforced skeleton structure is a plurality of triangular structures
  • Figures 7a, 7b, 7c, 7d, and 7e are structural schematic diagrams of the multi-rib reinforced skeleton structure as a cylindrical structure
  • Rib column 7. Side rib column; 8. Middle rib column; 11. Drain pipe; 12. Ring hole; 13. Single hole tube cavity bottom;
  • a HDPE hollow-wall composite multi-rib reinforced winding pipe includes a hollow pipe wall and a multi-rib reinforced frame, the multi-rib reinforced frame is arranged in the hollow pipe wall; showing the invention HDPE hollow wall composite multi-rib reinforced winding pipe, the drainage pipe is made of HDPE (high density polyethylene), with a pipe hole in the middle, used for drainage, sewage, etc.
  • HDPE high density polyethylene
  • the pipe wall has multiple surroundings
  • the ring hole on the circumference of the pipe, the ring hole is compounded with a polymer polymer multi-rib reinforced skeleton, and the polymer polymer multi-rib reinforced skeleton is tightly combined with the ring hole, so that when the pipe wall is under pressure, the pressure will be transmitted to
  • the polymer multi-rib reinforced skeleton can greatly improve the ring stiffness of the pipe wall.
  • the pressure on the pipe wall will be concentrated on the upper surface of the pipe wall.
  • the polymer multi-rib reinforced skeleton strengthens the pipe wall's ability to withstand external pressure, and greatly improves the stiffness of the pipe ring;
  • the hollow tube wall shown in Figure 3 is provided with a single-hole lumen, which is provided with a ring hole, the single-hole lumen is rectangular or rectangular, and the width of the single-hole lumen is larger than that of the single-hole lumen
  • the thickness of the bottom of the single-hole lumen is greater than the thickness of the wall of the single-hole lumen excluding the bottom;
  • the multi-rib reinforced frame is composed of an upper plate, a lower plate, and a plurality of ribs arranged between the upper plate and the lower plate.
  • the upper plate and the lower plate are parallel and adjacent to each other.
  • the walls of the hollow pipe are vertically connected by HDPE hot melt material, wherein the multi-rib reinforced skeleton is a single triangular structure, a plurality of triangular structures or a cylindrical structure.
  • the hollow pipe wall is made of HDPE (high-density polyethylene) material, which is an existing material, and the multi-rib reinforced frame is a polymerized polymer material, and the polymerized polymer material is modified HDPE (polyethylene) or modified PP (Polypropylene);
  • HDPE high-density polyethylene
  • PP Polypropylene
  • modified HDPE polyethylene
  • 2-5 parts of polyethylene wax 2-5 parts of stearic acid
  • 1-3 Parts of coupling agent 3-5 parts of CPE (chlorinated polyethylene)
  • 10-15 parts of ultrafine CaCO 3 60 parts of modified HDPE (polyethylene) in parts by weight: 70-80 parts of HDPE high-density polyethylene (100 grade pipe material), 2-5 parts of polyethylene wax, 2-5 parts of stearic acid, 1-3 Parts of coupling agent, 3-5 parts of CPE (chlorinated polyethylene), 10-15 parts of ultrafine CaCO 3 .
  • modified PP polypropylene
  • PP polypropylene
  • PP polypropylene
  • PP polypropylene
  • paraffin wax a polypropylene
  • stearic acid a polypropylene
  • 2-5 parts coupling agent a polypropylene
  • CPE chlorinated polyethylene
  • the main purpose of the modified HDPE/PP is to increase the rigidity of the material.
  • the multi-rib reinforced skeleton produced with this modified material has greatly improved tensile and compressive strength.
  • An activation center is formed on the surface of the particles.
  • ethylene and propylene monomers can be polymerized on the surface of the ultrafine CaCO 3 activation center to form a resin that tightly coats the monomer particles.
  • the technical means of the present invention to solve the problems of the internal stress of the pipe being damaged and easily causing the pipe to be disconnected is to form a rigid structure through the improvement of the structure, and does not rely on the improvement of the modified HDPE and modified PP materials.
  • the single triangular structure includes two ribs, the ribs are arranged at an angle with the upper plate and the lower plate, and the two ribs are sandwiched between the upper plate and the upper plate.
  • the angle is 20-80°, preferably, the angle is any of 20°, 30°, 40°, 45°, 50°, 55°, 60°, 65°, 70°, 80°, the rib
  • the thickness of the column is 1.1 times of the upper plate and the lower plate respectively;
  • the single triangular structure includes two rib columns, the rib columns are arranged perpendicular to the upper plate and the lower plate, and the thickness of the rib columns is the upper plate and the lower plate respectively. 1.1 times of
  • the single triangular structure includes two ribs, the ribs are arranged perpendicular to the upper plate and the lower plate, and the thickness of the ribs is the same as that of the upper plate. 1.1 times of the lower plate; the difference from Figure 5b is that the two ribs are arranged at the two ends of the upper plate and the lower plate.
  • the multiple triangular structures are composed of two or more rib columns, wherein the rib columns include side rib columns and at least one middle rib column, and the side rib columns are arranged at an angle with the upper plate and the lower plate,
  • the angle between the side rib column and the upper plate is 20-80°, preferably, the angle is 20°, 30°, 40°, 45°, 50°, 55°, 60°, 65°, At any angle of 70° and 80°, the side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged inside the side rib column to divide the cavity Into a plurality of small cavities;
  • the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column is 1.2 times of the thickness of the side rib column;
  • the number of the middle rib column is one, and the middle rib column is arranged in the middle of the two side rib columns;
  • the number of the middle ribs is two, the middle ribs are arranged between the two side ribs, and the two middle ribs are arranged in parallel;
  • the number of the middle rib column is two, the middle rib column is arranged between the two side rib columns, and the two middle rib columns are connected to the side rib columns.
  • the middle rib column is arranged between the two side rib columns, and the two middle rib columns are connected to the side rib columns.
  • the cylindrical structure is composed of no less than two rib columns, wherein the rib column includes a side rib column and at least one middle rib column, and the side rib column is arranged perpendicular to the upper plate and the lower plate
  • the side rib column forms a cavity with the upper plate and the lower plate
  • the middle rib column is arranged inside the side rib column to divide the cavity into a plurality of small cavities
  • the thickness of the rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column is 1.2 times of the thickness of the side rib column;
  • the number of the middle rib column is one, the middle rib column is arranged between the two side rib columns, and the middle rib column is in the same shape as the upper plate and the lower plate.
  • the included angle setting, the included angle between the middle rib column and the upper plate is 20-80°; preferably, the angles are 20°, 30°, 40°, 45°, 50°, 55°, 60° , 65°, 70°, 80° any angle;
  • the number of the middle rib column is one, the middle rib column is arranged between the two side rib columns, and the middle rib column is arranged perpendicular to the upper plate and the lower plate. ;
  • the number of the middle rib column is two, and the middle rib column is arranged vertically and intersectingly between the two side rib columns.
  • the lower plate and the side rib columns form a "field"-shaped structure;
  • the number of the middle ribs is 3, one of the middle ribs is arranged parallel to the upper plate and the lower plate, and the other two middle ribs are parallel to the side ribs. Between the columns, and perpendicularly intersect the middle rib column parallel to the upper plate and the lower plate;
  • the number of the middle ribs is four, and the four middle ribs are arranged to cross each other between the side ribs, and the intersection point is located in the middle of the two side ribs.
  • the thickness of the top wall and the side wall of the hollow tube wall is 1.5-2.0mm
  • the thickness of the bottom of the hollow tube wall is 2.5-3mm
  • the thickness of the rib column and the side rib column is 1.5-4mm
  • the thickness of the middle rib column is 1.8- 4.8mm
  • the thickness of the upper and lower plates is 1.4-3.6mm;
  • the thickness of the bottom of the hollow tube wall and the thickness of the tube wall except the bottom; the thickness of the rib column in the multi-rib reinforced frame, the thickness of the upper plate, the thickness of the lower plate, the angle between the rib column and the upper and lower plates The various parameters cooperate with each other and have a synergistic effect. Several important parameters must conform to a certain relationship. Only in this way can the effects recorded in the present invention be achieved.
  • a hollow-walled HDPE composite multi-rib reinforced wound tube is provided with a porous lumen (as shown in Figure 4a) on the wall of the hollow tube, and the porous lumen is provided with two rings.
  • the porous lumen is rectangular or rectangular, the width of the porous lumen is greater than the height of the porous lumen, and the thickness of the bottom of the porous lumen is greater than the thickness of the wall of the porous lumen except the bottom .
  • a hollow-walled HDPE composite multi-rib reinforced wound tube is provided with a porous lumen (as shown in Figure 4b) on the wall of the hollow tube, and the porous lumen is provided with 3 rings.
  • the porous lumen is rectangular or rectangular, the width of the porous lumen is greater than the height of the porous lumen, and the thickness of the bottom of the porous lumen is greater than the thickness of the wall of the porous lumen except the bottom .
  • a method for preparing HDPE hollow-wall composite multi-rib reinforced winding pipe Firstly, the first extruder is used to extrude the polymeric polymer multi-rib reinforced skeleton.
  • the rib support, the rib support arrangement and the upper top and the lower bottom surface together form a multi-rib reinforced framework, and they are all polymerized polymer materials.
  • the second extruder to extrude the hollow tube wall of HDPE single-hole or porous tube cavity, the top and bottom length of the hollow tube wall of HDPE single-hole or porous tube cavity combination and the polymer multi-rib reinforced skeleton
  • the length of the top and bottom of the bottom is the same. It is extruded together with the first extruder and the second extruder to form the initial embryo body at the same time as the polymeric polymer multi-rib reinforced skeleton.
  • the multi-rib reinforced skeleton in the embryo body and The hollow tube wall is compounded into one body, and then vacuum-shaped and cooled, and pulled by a tractor to finally form the hollow wall tube cavity compounded with a polymer polymer multi-rib skeleton.
  • hollow-walled lumen compounded with the polymeric polymer multi-rib skeleton is then passed through the winding equipment, and the third extruder is used to extrude the hot-melt HDPE solution to bond the adjacent lumen together to form the entire smooth HDPE.
  • Hollow wall composite (multi-rib) reinforced winding pipe is then passed through the winding equipment, and the third extruder is used to extrude the hot-melt HDPE solution to bond the adjacent lumen together to form the entire smooth HDPE.
  • multiple sets of cooling spray facilities are set at the rear end of the bonding position of the winding equipment, which is characterized by spray facilities They are respectively placed on the inner wall of the pipeline and the corresponding outer wall to achieve uniform and rapid cooling, thereby improving production efficiency, energy saving and environmental protection.
  • the outer surface of the entire pipeline is smooth and flat, and the multi-rib reinforced framework in the hollow wall lumen is evenly distributed in the pipeline, forming a complete structure with the hollow wall.
  • the multi-rib reinforced skeleton of the winding pipe is reinforced by the HDPE hollow wall composite (multi-rib) and the HDPE hollow wall outside the cavity is shared Therefore, the bearing capacity of the pipe is greatly improved, that is, the ring stiffness of the pipe is increased.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

A HDPE hollow wall composite multi-rib reinforced coil pipe, comprising hollow pipe walls (1) and a multi-rib reinforcement framework (2), the multi-rib reinforcement framework (2) being composed of a mutually parallel upper plate (3) and lower plate (4) and a plurality of ribs (6) arranged in multiple rows between the upper plate and the lower plate in a supporting manner, adjacent hollow pipe walls being vertically connected by means of HDPE hot melt material (5), the hollow pipe walls being HDPE material, and the multi-rib reinforcement framework being polymeric material. The present HDPE hollow wall composite multi-rib reinforced coil pipe improves the weakness of the low ring stiffness of hollow wall coil pipes by compositing a polymeric multi-rib reinforcement framework in the HDPE hollow wall cavity, improving ring stiffness whilst ensuring the original ring flexibility, such that the mechanical properties of the pipe material are greatly improved.

Description

HDPE中空壁复合多肋增强缠绕管HDPE hollow wall composite multi-rib reinforced winding pipe 技术领域Technical field
本发明涉及HDPE管道领域，更具体地说涉及一种HDPE中空壁复合多肋增强缠绕。The invention relates to the field of HDPE pipes, and more specifically to a composite multi-rib reinforced winding of HDPE hollow walls.
背景技术Background technique
城市排水、排污设施中使用的管道，多为HDPE波纹管，但是HDPE波纹管的环刚度低，使用极易损坏。Most of the pipes used in urban drainage and sewage facilities are HDPE corrugated pipes, but the ring stiffness of HDPE corrugated pipes is low and it is very easy to be damaged when used.
为了改善上述现象，出现了一些钢塑复合排水管，该类管道的管壁由塑料和钢材复合缠绕而成，其技术缺陷是钢塑复合排水管中的钢极易腐蚀，环刚度受到严重破坏，安装好的管线也会因此而发生塌陷；另外由于该类管道中塑料和钢材的膨胀系数不同，在实际使用中随着气候的变化，管材内部应力被破坏，容易造成管材脱节等问题；现有技术中也存在一些由塑料和塑料复合而成的缠绕管，但是结构复杂，且没有适当的结构参数，环刚度仍然很低，无法满足当前市政工程设施的需求。In order to improve the above phenomenon, some steel-plastic composite drainage pipes have appeared. The pipe wall of this type of pipe is made of composite winding of plastic and steel. The technical defect is that the steel in the steel-plastic composite drainage pipe is very easy to corrode and the ring stiffness is severely damaged. , The installed pipeline will also collapse due to this; in addition, due to the different expansion coefficients of plastic and steel in this type of pipeline, in actual use, as the climate changes, the internal stress of the pipe is destroyed, which may easily cause problems such as pipe disconnection; In some technologies, there are also some winding pipes composed of plastics and plastics, but the structure is complex, and there is no appropriate structural parameters, the ring stiffness is still very low, and it cannot meet the current needs of municipal engineering facilities.
发明内容Summary of the invention
本发明克服了现有技术中的不足，提供了一种HDPE中空壁复合多肋增强缠绕管，管道的大部分压力由管壁中的多肋增强骨架来承受，这样，可以大大的提高管道的环刚度。The present invention overcomes the shortcomings in the prior art and provides a HDPE hollow-wall composite multi-rib reinforced winding pipe. Most of the pressure of the pipe is borne by the multi-rib reinforced skeleton in the pipe wall. In this way, the pipe’s performance can be greatly improved. Ring stiffness.
本发明的目的通过下述技术方案予以实现。The purpose of the present invention is achieved through the following technical solutions.
一种HDPE中空壁复合多肋增强缠绕管，包括中空管壁和多肋增强骨架，所述多肋增强骨架设置在所述中空管壁中，所述多肋增强骨架由上平板、下平板及设置在所述上平板和所述下平板之间的多条排列的肋柱支撑组成，所述上平板与所述下平板相平行，相邻的所述中空管壁通过HDPE热熔料竖向连接，所述中空管壁为HDPE材料，多肋增强骨架为聚合高分子材料。A HDPE hollow-wall composite multi-rib reinforced winding pipe includes a hollow pipe wall and a multi-rib reinforced frame. The multi-rib reinforced frame is arranged in the hollow pipe wall. The multi-rib reinforced frame consists of an upper plate, a lower plate and It is composed of a plurality of ribs arranged between the upper plate and the lower plate. The upper plate is parallel to the lower plate, and the adjacent hollow pipe walls are vertically passed through HDPE hot melt material. Connected, the hollow pipe wall is made of HDPE material, and the multi-rib reinforced frame is made of polymer polymer material.
进一步，所述多肋增强骨架为单空腔结构、多个三角空腔结构或者筒状结构。Further, the multi-rib reinforced skeleton has a single cavity structure, a plurality of triangular cavity structures or a cylindrical structure.
进一步，所述单空腔结构包括两根肋柱组成，所述肋柱与所述上平板、所述下平板呈夹角或者垂直设置，所述肋柱的厚度分别为所述上平板、所 述下平板的1.1倍。Further, the single-cavity structure includes two ribs, the ribs are arranged at an angle or perpendicular to the upper plate and the lower plate, and the thickness of the ribs is the same as that of the upper plate and the lower plate. 1.1 times the following plate.
进一步，多个三角结构由两根以上的肋柱组成，其中，所述肋柱包括侧肋柱和至少一个中间肋柱，所述侧肋柱与所述上平板、所述下平板呈夹角设置，所述侧肋柱与所述上平板、所述下平板形成空腔，所述中间肋柱设置在所述侧肋柱内侧以将所述空腔分割成多个小空腔。Further, the plurality of triangular structures are composed of more than two rib columns, wherein the rib column includes a side rib column and at least one middle rib column, and the side rib column forms an angle with the upper plate and the lower plate. The side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged inside the side rib column to divide the cavity into a plurality of small cavities.
进一步，所述侧肋柱的厚度分别为所述上平板、所述下平板的1.1倍。Further, the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively.
进一步，所述中间肋柱的厚度是所述侧肋柱厚度的1.2倍。Further, the thickness of the middle rib column is 1.2 times the thickness of the side rib column.
进一步，所述筒状结构有不少于两根的肋柱组成，其中，所述肋柱包括侧肋柱和至少一个中间肋柱，所述侧肋柱与所述上平板、所述下平板垂直设置，所述侧肋柱与所述上平板、所述下平板形成空腔，所述中间肋柱设置在所述侧肋柱内侧以将所述空腔分割成多个小空腔。Further, the cylindrical structure is composed of no less than two rib columns, wherein the rib column includes a side rib column and at least one middle rib column, and the side rib column is connected to the upper plate and the lower plate. Vertically arranged, the side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged inside the side rib column to divide the cavity into a plurality of small cavities.
进一步，所述侧肋柱的厚度分别为所述上平板、所述下平板的1.1倍，所述中间肋柱的厚度是所述侧肋柱厚度的1.2倍。Further, the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column is 1.2 times of the thickness of the side rib column.
进一步，所述中空管壁设有单孔管腔或者多孔管腔，所述单孔管腔、所述多孔管腔的形状为矩形或长方形。Further, the wall of the hollow tube is provided with a single-hole lumen or a porous lumen, and the shape of the single-hole lumen and the porous lumen is rectangular or rectangular.
进一步，所述单孔管腔、所述多孔管腔的宽度均大于其各自所述管腔的高度，所述单孔管腔、所述多孔管腔的底部厚度均大于其各自所述管腔其他壁的厚度。Further, the widths of the single-hole lumen and the porous lumens are both greater than the height of their respective lumen, and the bottom thickness of the single-hole lumen and the porous lumen are both greater than that of the respective lumen. The thickness of the other walls.
本发明的有益效果为：The beneficial effects of the present invention are:
多肋增强骨架多种形式来看，每个结构形式都具有最佳的力学性能，形成单个或多个三角和筒状结构体，承载能力会大幅提高，这样又能充分发挥复合刚性材料最大的力学性能，二者结合优势更明显；同时，多肋增强骨架的各种形式使HDPE中空壁复合(多肋)增强缠绕管与不含钢带的塑料管材相比，环刚度增加很多，而管材的整体重量增加不大，大大节省了塑料原材料的使用，达到了节能环保的目的；In terms of multiple forms of multi-rib reinforced skeletons, each structural form has the best mechanical properties, forming single or multiple triangular and cylindrical structures, and the load-bearing capacity will be greatly improved, which can give full play to the maximum strength of the composite rigid material. Mechanical properties, the combination of the two advantages is more obvious; at the same time, the various forms of multi-rib reinforced skeletons make HDPE hollow-wall composite (multi-rib) reinforced winding pipes compared with plastic pipes without steel strips, and the ring stiffness is much increased. The overall weight increase is not large, which greatly saves the use of plastic raw materials, and achieves the purpose of energy saving and environmental protection;
中间肋厚是两侧肋厚的1.2倍，两侧肋厚是骨架的上下平板厚度的1.1倍，协调各肋板之间受外力的分配，使各肋同时承受最大压力；The thickness of the middle rib is 1.2 times of the thickness of the ribs on both sides, and the thickness of the ribs on both sides is 1.1 times of the thickness of the upper and lower plates of the framework. It coordinates the distribution of external forces between the ribs to make each rib bear the maximum pressure at the same time;
本发明改进了中空壁缠绕管环刚度低的弱点，在HDPE中空壁腔内复合加入聚合高分子多肋增强骨架，既提高了环刚度又保持了原有的环柔度，使管材的力学性能大大提高，它是原来中空壁缠绕管的改进型、替代者，非常适合各种状态下的雨污排水，此管材在使用过程中不会生锈、不会因热胀冷缩不均衡而开裂。The invention improves the weak point of low stiffness of the hollow wall wound pipe ring, and compositely adds a polymer polymer multi-rib reinforced skeleton into the hollow wall cavity of HDPE, which not only improves the ring stiffness but also maintains the original ring flexibility, so that the mechanical properties of the pipe are improved. Greatly improved, it is an improvement and replacement of the original hollow wall winding pipe. It is very suitable for rain and sewage drainage under various conditions. The pipe will not rust during use and will not crack due to uneven thermal expansion and contraction. .
附图说明Description of the drawings
图1是本发明复合增强缠绕管的一优选实施例1结构示意图；Fig. 1 is a schematic structural diagram of a preferred embodiment 1 of the composite reinforced winding pipe of the present invention;
图2是实施例1中的局部放大图；Figure 2 is a partial enlarged view of embodiment 1;
图3是设有单孔管腔的中空管壁；Figure 3 is a hollow tube wall provided with a single-hole lumen;
图4a、图4b是设有多孔管壁的中空管壁结构示意图；4a and 4b are schematic diagrams of the hollow tube wall structure with porous tube wall;
图5a、图5b、图5c是多肋增强骨架结构为单空腔结构的结构示意图；Figures 5a, 5b, and 5c are structural schematic diagrams of the multi-rib reinforced skeleton structure being a single cavity structure;
图6a、图6b、图6c是多肋增强骨架结构为多个三角结构的结构示意图；Fig. 6a, Fig. 6b, Fig. 6c are structural schematic diagrams in which the multi-rib reinforced skeleton structure is a plurality of triangular structures;
图7a、图7b、图7c、图7d、图7e是多肋增强骨架结构为筒状结构的结构示意图；Figures 7a, 7b, 7c, 7d, and 7e are structural schematic diagrams of the multi-rib reinforced skeleton structure as a cylindrical structure;
图中：In the picture:
1、中空管壁；2、多肋增强骨架；3、上平板；4、下平板；5、HDPE热熔料；1. Hollow pipe wall; 2. Multi-rib reinforced frame; 3. Upper plate; 4. Lower plate; 5. HDPE hot melt material;
6、肋柱；7、侧肋柱；8、中间肋柱；11、排水管；12、环孔；13、单孔管腔的底部；6. Rib column; 7. Side rib column; 8. Middle rib column; 11. Drain pipe; 12. Ring hole; 13. Single hole tube cavity bottom;
14、单孔管腔的宽度；15、单孔管腔的高度；16、多孔管腔的高度；17、多孔管腔的宽度；18、多孔管腔的底部。14. The width of the single-hole lumen; 15. The height of the single-hole lumen; 16. The height of the porous lumen; 17. The width of the porous lumen; 18. The bottom of the porous lumen.
具体实施方式Detailed ways
下面通过具体的实施例对本发明的技术方案作进一步的说明。The technical solution of the present invention will be further described by specific embodiments below.
实施例1：Example 1:
如图1、2、图7a所示一种HDPE中空壁复合多肋增强缠绕管，包括中空管壁和多肋增强骨架，所述多肋增强骨架设置在所述中空管壁中；显示发明的HDPE中空壁复合多肋增强缠绕管，该排水管为HDPE(高密度聚乙烯)制成，其中间具有管道孔，用于使用中排水，排污等作用，该管道的管壁中具有多个环绕该管道圆周的环孔，环孔内复合有聚合高分子多肋增强骨架，该聚合高分子多肋增强骨架与环孔紧密结合在一起，从而当管道的管壁承受压力时，压力会传递到聚合高分子多肋增强骨架上，聚合高分子多肋增强骨架可以大大的提高管道管壁的环刚度，当管道埋在地下后，管壁所受的压力会集中到管壁上表面处，聚合高分子多肋增强骨架加强了管壁承受外部压力的能力，使管材环刚度大幅提高；As shown in Figures 1, 2, and 7a, a HDPE hollow-wall composite multi-rib reinforced winding pipe includes a hollow pipe wall and a multi-rib reinforced frame, the multi-rib reinforced frame is arranged in the hollow pipe wall; showing the invention HDPE hollow wall composite multi-rib reinforced winding pipe, the drainage pipe is made of HDPE (high density polyethylene), with a pipe hole in the middle, used for drainage, sewage, etc. in use, the pipe wall has multiple surroundings The ring hole on the circumference of the pipe, the ring hole is compounded with a polymer polymer multi-rib reinforced skeleton, and the polymer polymer multi-rib reinforced skeleton is tightly combined with the ring hole, so that when the pipe wall is under pressure, the pressure will be transmitted to On the polymer multi-rib reinforced skeleton, the polymer multi-rib reinforced skeleton can greatly improve the ring stiffness of the pipe wall. When the pipe is buried in the ground, the pressure on the pipe wall will be concentrated on the upper surface of the pipe wall. The polymer multi-rib reinforced skeleton strengthens the pipe wall's ability to withstand external pressure, and greatly improves the stiffness of the pipe ring;
图3所示所述中空管壁设有单孔管腔，其设有1个环孔，所述单孔管腔 为矩形或长方形，所述单孔管腔的宽度大于所述单孔管腔的高度，所述单孔管腔底部厚度大于所述单孔管腔除底部之外的管壁的厚度；The hollow tube wall shown in Figure 3 is provided with a single-hole lumen, which is provided with a ring hole, the single-hole lumen is rectangular or rectangular, and the width of the single-hole lumen is larger than that of the single-hole lumen The thickness of the bottom of the single-hole lumen is greater than the thickness of the wall of the single-hole lumen excluding the bottom;
所述多肋增强骨架由上平板、下平板及设置在所述上平板和所述下平板之间的多条排列的肋柱支撑组成，所述上平板与所述下平板相平行，相邻的所述中空管壁通过HDPE热熔料竖向连接，其中，所述多肋增强骨架为单个三角结构、多个三角结构或者筒状结构。The multi-rib reinforced frame is composed of an upper plate, a lower plate, and a plurality of ribs arranged between the upper plate and the lower plate. The upper plate and the lower plate are parallel and adjacent to each other. The walls of the hollow pipe are vertically connected by HDPE hot melt material, wherein the multi-rib reinforced skeleton is a single triangular structure, a plurality of triangular structures or a cylindrical structure.
所述中空管壁为HDPE(高密度聚乙烯)材料，为现有材料，所述多肋增强骨架为聚合高分子材料，该聚合高分子材料，是改性HDPE(聚乙烯)或改性PP(聚丙烯)；The hollow pipe wall is made of HDPE (high-density polyethylene) material, which is an existing material, and the multi-rib reinforced frame is a polymerized polymer material, and the polymerized polymer material is modified HDPE (polyethylene) or modified PP (Polypropylene);
改性HDPE(聚乙烯)具体配方按重量份数为：70-80份HDPE高密度聚乙烯(100级管材料)，2-5份聚乙烯蜡，2-5份硬脂酸，1-3份耦连剂，3-5份CPE(氯化聚乙烯)，10-15份超细CaCO 3。 The specific formula of modified HDPE (polyethylene) in parts by weight: 70-80 parts of HDPE high-density polyethylene (100 grade pipe material), 2-5 parts of polyethylene wax, 2-5 parts of stearic acid, 1-3 Parts of coupling agent, 3-5 parts of CPE (chlorinated polyethylene), 10-15 parts of ultrafine CaCO 3 .
改性PP(聚丙烯)具体配方按重量份数为：80-90份聚丙烯(PP)，其中，包括10-30份均聚聚丙烯和70-90份共聚聚丙烯，5-8份石蜡，5-8份硬脂酸，2-5份耦连剂，3-6份CPE(氯化聚乙烯)，10-15份超细CaCO 3。 The specific formula of modified PP (polypropylene) in parts by weight is: 80-90 parts of polypropylene (PP), including 10-30 parts of homopolypropylene and 70-90 parts of copolymerized polypropylene, 5-8 parts of paraffin wax , 5-8 parts stearic acid, 2-5 parts coupling agent, 3-6 parts CPE (chlorinated polyethylene), 10-15 parts ultrafine CaCO 3 .
改性HDPE/PP主要目的是增加其材料的刚性，用这种改性材料生产的多肋增强骨架，抗拉、抗压强度大为提高，把超细CaCO 3进行处理后，高混耦连在其粒子表面形成了活化中心，在连续挤出，分子结构的聚合过程中，可以使乙烯、丙烯单体在超细CaCO 3活化中心表面聚合，形成紧密包覆单体粒子的树脂，制得具有高强、高韧、高抗冲性能的复合材料。 The main purpose of the modified HDPE/PP is to increase the rigidity of the material. The multi-rib reinforced skeleton produced with this modified material has greatly improved tensile and compressive strength. After the ultrafine CaCO 3 is processed, the high-mix coupling An activation center is formed on the surface of the particles. During the continuous extrusion and molecular structure polymerization, ethylene and propylene monomers can be polymerized on the surface of the ultrafine CaCO 3 activation center to form a resin that tightly coats the monomer particles. A composite material with high strength, high toughness and high impact resistance.
本发明解决管材内部应力被破坏、容易造成管材脱节等问题的技术手段是通过结构的改进，形成了刚性强的结构，并不依赖于该改性HDPE和改性PP材料的改进。The technical means of the present invention to solve the problems of the internal stress of the pipe being damaged and easily causing the pipe to be disconnected is to form a rigid structure through the improvement of the structure, and does not rely on the improvement of the modified HDPE and modified PP materials.
如图5a所示单个所述三角结构包括两根肋柱，所述肋柱与所述上平板、所述下平板呈夹角设置，两根所述肋柱与所述上平板之间的夹角为20-80°，优先地，角度为20°、30°、40°、45°、50°、55°、60°、65°、70°、80°中的任一角度，所述肋柱的厚度分别为所述上平板、所述下平板的1.1倍；As shown in Figure 5a, the single triangular structure includes two ribs, the ribs are arranged at an angle with the upper plate and the lower plate, and the two ribs are sandwiched between the upper plate and the upper plate. The angle is 20-80°, preferably, the angle is any of 20°, 30°, 40°, 45°, 50°, 55°, 60°, 65°, 70°, 80°, the rib The thickness of the column is 1.1 times of the upper plate and the lower plate respectively;
如图5b所示单个所述三角结构包括两根肋柱，所述肋柱与所述上平板、所述下平板垂直设置，所述肋柱的厚度分别为所述上平板、所述下平板的1.1倍；As shown in FIG. 5b, the single triangular structure includes two rib columns, the rib columns are arranged perpendicular to the upper plate and the lower plate, and the thickness of the rib columns is the upper plate and the lower plate respectively. 1.1 times of
如图5c所示如图5b所示单个所述三角结构包括两根肋柱，所述肋柱与 所述上平板、所述下平板垂直设置，所述肋柱的厚度分别为所述上平板、所述下平板的1.1倍；其与图5b的区别是，两根所述肋柱设置在所述所述上平板、所述下平板的两个端部。As shown in Fig. 5c, as shown in Fig. 5b, the single triangular structure includes two ribs, the ribs are arranged perpendicular to the upper plate and the lower plate, and the thickness of the ribs is the same as that of the upper plate. 1.1 times of the lower plate; the difference from Figure 5b is that the two ribs are arranged at the two ends of the upper plate and the lower plate.
多个三角结构由两根以上的肋柱组成，其中，所述肋柱包括侧肋柱和至少一个中间肋柱，所述侧肋柱与所述上平板、所述下平板呈夹角设置，所述侧肋柱与所述上平板之间的夹角为20-80°，优先地，角度为20°、30°、40°、45°、50°、55°、60°、65°、70°、80°中的任一角度，所述侧肋柱与所述上平板、所述下平板形成空腔，所述中间肋柱设置在所述侧肋柱内侧以将所述空腔分割成多个小空腔；侧肋柱的厚度分别为所述上平板、所述下平板的1.1倍，所述中间肋柱的厚度是所述侧肋柱厚度的1.2倍；The multiple triangular structures are composed of two or more rib columns, wherein the rib columns include side rib columns and at least one middle rib column, and the side rib columns are arranged at an angle with the upper plate and the lower plate, The angle between the side rib column and the upper plate is 20-80°, preferably, the angle is 20°, 30°, 40°, 45°, 50°, 55°, 60°, 65°, At any angle of 70° and 80°, the side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged inside the side rib column to divide the cavity Into a plurality of small cavities; the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column is 1.2 times of the thickness of the side rib column;
如图6a所示，所述中间肋柱的数量为1个，所述中间肋柱设置在两个所述侧肋柱中间的位置；As shown in FIG. 6a, the number of the middle rib column is one, and the middle rib column is arranged in the middle of the two side rib columns;
如图6b所示，所述中间肋柱的数量为2个，所述中间肋柱设置在两个所述侧肋柱之间，两个所述中间肋柱平行设置；As shown in Figure 6b, the number of the middle ribs is two, the middle ribs are arranged between the two side ribs, and the two middle ribs are arranged in parallel;
如图6c所示，所述中间肋柱的数量为2个，所述中间肋柱设置在两个所述侧肋柱之间，两个所述中间肋柱与所述侧肋柱连接设置组合成“M”型。As shown in Figure 6c, the number of the middle rib column is two, the middle rib column is arranged between the two side rib columns, and the two middle rib columns are connected to the side rib columns. Into the "M" type.
所述筒状结构有不少于两根的肋柱组成，其中，所述肋柱包括侧肋柱和至少一个中间肋柱，所述侧肋柱与所述上平板、所述下平板垂直设置，所述侧肋柱与所述上平板、所述下平板形成空腔，所述中间肋柱设置在所述侧肋柱内侧以将所述空腔分割成多个小空腔；所述侧肋柱的厚度分别为所述上平板、所述下平板的1.1倍，所述中间肋柱的厚度是所述侧肋柱厚度的1.2倍；The cylindrical structure is composed of no less than two rib columns, wherein the rib column includes a side rib column and at least one middle rib column, and the side rib column is arranged perpendicular to the upper plate and the lower plate The side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged inside the side rib column to divide the cavity into a plurality of small cavities; The thickness of the rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column is 1.2 times of the thickness of the side rib column;
如图7a所示，所述中间肋柱的数量为1个，所述中间肋柱设置在两个所述侧肋柱之间，所述中间肋柱与所述上平板、所述下平板呈夹角设置，所述中间肋柱与所述上平板之间的夹角为20-80°；优先地，角度为20°、30°、40°、45°、50°、55°、60°、65°、70°、80°中的任一角度；As shown in Figure 7a, the number of the middle rib column is one, the middle rib column is arranged between the two side rib columns, and the middle rib column is in the same shape as the upper plate and the lower plate. The included angle setting, the included angle between the middle rib column and the upper plate is 20-80°; preferably, the angles are 20°, 30°, 40°, 45°, 50°, 55°, 60° , 65°, 70°, 80° any angle;
图7b所示，所述中间肋柱的数量为1个，所述中间肋柱设置在两个所述侧肋柱之间，所述中间肋柱与所述上平板、所述下平板垂直设置；As shown in Figure 7b, the number of the middle rib column is one, the middle rib column is arranged between the two side rib columns, and the middle rib column is arranged perpendicular to the upper plate and the lower plate. ；
图7c所示，所述中间肋柱的数量为2个，所述中间肋柱垂直交叉的设置在两个所述侧肋柱之间，所述中间肋柱和所述所述上平板、所述下平板、所述侧肋柱形成“田”形结构；As shown in Figure 7c, the number of the middle rib column is two, and the middle rib column is arranged vertically and intersectingly between the two side rib columns. The lower plate and the side rib columns form a "field"-shaped structure;
图7d所示，所述中间肋柱的数量为3个，其中一条所述中间肋柱平行于所述上平板与所述下平板设置，另外两条所述中间肋柱平行于所述侧肋柱之 间，且与所述平行于上平板和下平板的所述中间肋柱垂直交叉；As shown in Figure 7d, the number of the middle ribs is 3, one of the middle ribs is arranged parallel to the upper plate and the lower plate, and the other two middle ribs are parallel to the side ribs. Between the columns, and perpendicularly intersect the middle rib column parallel to the upper plate and the lower plate;
图7e所示，所述中间肋柱的数量为4个，四条所述中间肋柱互相交叉设置在所述侧肋柱之间且交叉点位于两个所述侧肋柱的中间位置。As shown in FIG. 7e, the number of the middle ribs is four, and the four middle ribs are arranged to cross each other between the side ribs, and the intersection point is located in the middle of the two side ribs.
优选地，中空管壁顶壁和侧壁厚度均为1.5-2.0mm，中空管壁底部的厚度为2.5-3mm，肋柱及侧肋柱的厚度为1.5-4mm，中间肋柱的厚度1.8-4.8mm，上平板、下平板的厚度为1.4-3.6mm；Preferably, the thickness of the top wall and the side wall of the hollow tube wall is 1.5-2.0mm, the thickness of the bottom of the hollow tube wall is 2.5-3mm, the thickness of the rib column and the side rib column is 1.5-4mm, and the thickness of the middle rib column is 1.8- 4.8mm, the thickness of the upper and lower plates is 1.4-3.6mm;
中空管壁底部的厚度及其除底部之外管壁的厚度；多肋增强骨架中肋柱的厚度、上平板的厚度、下平板的厚度、肋柱与上平板和下平板之间的夹角各个参数之间相互配合，协同作用，几个重要参数必须符合一定关系，只有这样才能达到本发明记载的效果。The thickness of the bottom of the hollow tube wall and the thickness of the tube wall except the bottom; the thickness of the rib column in the multi-rib reinforced frame, the thickness of the upper plate, the thickness of the lower plate, the angle between the rib column and the upper and lower plates The various parameters cooperate with each other and have a synergistic effect. Several important parameters must conform to a certain relationship. Only in this way can the effects recorded in the present invention be achieved.
实施例2：Example 2:
与实施例1不同的是，本实施例中一种HDPE中空壁复合多肋增强缠绕管，其中空管壁设有多孔管腔(如图4a所示)，该多孔管腔设有2个环孔，所述多孔管腔为矩形或长方形，所述多孔管腔的宽度大于所述多孔管腔的高度，所述多孔管腔底部厚度大于所述多孔管腔除底部之外的管壁的厚度。The difference from Embodiment 1 is that in this embodiment, a hollow-walled HDPE composite multi-rib reinforced wound tube is provided with a porous lumen (as shown in Figure 4a) on the wall of the hollow tube, and the porous lumen is provided with two rings. The porous lumen is rectangular or rectangular, the width of the porous lumen is greater than the height of the porous lumen, and the thickness of the bottom of the porous lumen is greater than the thickness of the wall of the porous lumen except the bottom .
实施例3：Example 3:
与实施例1不同的是，本实施例中一种HDPE中空壁复合多肋增强缠绕管，其中空管壁设有多孔管腔(如图4b所示)，该多孔管腔设有3个环孔，所述多孔管腔为矩形或长方形，所述多孔管腔的宽度大于所述多孔管腔的高度，所述多孔管腔底部厚度大于所述多孔管腔除底部之外的管壁的厚度。The difference from Embodiment 1 is that in this embodiment, a hollow-walled HDPE composite multi-rib reinforced wound tube is provided with a porous lumen (as shown in Figure 4b) on the wall of the hollow tube, and the porous lumen is provided with 3 rings. The porous lumen is rectangular or rectangular, the width of the porous lumen is greater than the height of the porous lumen, and the thickness of the bottom of the porous lumen is greater than the thickness of the wall of the porous lumen except the bottom .
一种HDPE中空壁复合多肋增强缠绕管的制备方法，首先用第一挤出机挤出聚合高分子多肋增强骨架，其截面为上顶下底为平面，两平面之间有多条排列的肋支撑，肋支撑设置与上顶下底面共同组成多肋增强骨架，且都是聚合高分子材料。A method for preparing HDPE hollow-wall composite multi-rib reinforced winding pipe. Firstly, the first extruder is used to extrude the polymeric polymer multi-rib reinforced skeleton. The rib support, the rib support arrangement and the upper top and the lower bottom surface together form a multi-rib reinforced framework, and they are all polymerized polymer materials.
然后用第二挤出机挤出HDPE单孔或多孔管腔组合的中空管壁，HDPE单孔或多孔管腔组合的中空管壁的管腔上顶下底长度与聚合高分子多肋增强骨架的上顶下底的长度一致，其与聚合高分子多肋增强骨架经过模具由第一挤出机、第二挤出机一起同时挤出形成初形胚体，胚体中多肋增强骨架与中空管壁复合为一体，然后再经过真空定型冷却，由牵引机牵引，最终形成所述的复合有聚合高分子多肋骨架的中空壁管腔。Then use the second extruder to extrude the hollow tube wall of HDPE single-hole or porous tube cavity, the top and bottom length of the hollow tube wall of HDPE single-hole or porous tube cavity combination and the polymer multi-rib reinforced skeleton The length of the top and bottom of the bottom is the same. It is extruded together with the first extruder and the second extruder to form the initial embryo body at the same time as the polymeric polymer multi-rib reinforced skeleton. The multi-rib reinforced skeleton in the embryo body and The hollow tube wall is compounded into one body, and then vacuum-shaped and cooled, and pulled by a tractor to finally form the hollow wall tube cavity compounded with a polymer polymer multi-rib skeleton.
最后，复合有聚合高分子多肋骨架的中空壁管腔再经过缠绕设备，用第三挤出机挤出热熔的HDPE溶体将缠绕相邻的管腔粘接到一起，形成整个平滑 的HDPE中空壁复合(多肋)增强缠绕管。Finally, the hollow-walled lumen compounded with the polymeric polymer multi-rib skeleton is then passed through the winding equipment, and the third extruder is used to extrude the hot-melt HDPE solution to bond the adjacent lumen together to form the entire smooth HDPE. Hollow wall composite (multi-rib) reinforced winding pipe.
在缠绕生产的过程中，为了有效的冷却管体，达到中空壁粘接处快速冷却，粘接牢固的目的，在缠绕设备的粘接位置后端设置多组冷却喷雾设施，其特征在于喷雾设施分别置于管道内壁处和相对应外壁处，达到均匀迅速冷却，以此提高生产效率，节能环保。In the process of winding production, in order to effectively cool the tube body and achieve the purpose of rapid cooling of the hollow wall bonding and strong bonding, multiple sets of cooling spray facilities are set at the rear end of the bonding position of the winding equipment, which is characterized by spray facilities They are respectively placed on the inner wall of the pipeline and the corresponding outer wall to achieve uniform and rapid cooling, thereby improving production efficiency, energy saving and environmental protection.
与现有技术相比，整个管道的外表面呈成光平状，中空壁管腔内的多肋增强骨架在管道中均匀分布，与中空壁形成一个完整的结构体。这样，当管道埋在地下后，管道所承受的压力会均匀分布到管体的表面，由HDPE中空壁复合(多肋)增强缠绕管管道的多肋增强骨架和管腔外HDPE中空壁共同受力，从而大大提高了管材的承载能力，即增加管道的环刚度。Compared with the prior art, the outer surface of the entire pipeline is smooth and flat, and the multi-rib reinforced framework in the hollow wall lumen is evenly distributed in the pipeline, forming a complete structure with the hollow wall. In this way, when the pipeline is buried in the ground, the pressure on the pipeline will be evenly distributed to the surface of the pipe body. The multi-rib reinforced skeleton of the winding pipe is reinforced by the HDPE hollow wall composite (multi-rib) and the HDPE hollow wall outside the cavity is shared Therefore, the bearing capacity of the pipe is greatly improved, that is, the ring stiffness of the pipe is increased.
以上对本发明的三个实施例进行了详细说明，但所述内容仅为本发明的较佳实施例，不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等，均应仍归属于本发明的专利涵盖范围之内。The three embodiments of the present invention have been described in detail above, but the content is only the preferred embodiments of the present invention and cannot be considered as limiting the scope of implementation of the present invention. All equal changes and improvements made in accordance with the scope of the application of the present invention should still fall within the scope of the patent of the present invention.

Claims (10)

  1. 一种HDPE中空壁复合多肋增强缠绕管，包括中空管壁和多肋增强骨架，所述多肋增强骨架设置在所述中空管壁中，其特征在于：所述多肋增强骨架由上平板、下平板及设置在所述上平板和所述下平板之间的多条排列的肋柱支撑组成，所述上平板与所述下平板相平行，相邻的所述中空管壁通过HDPE热熔料竖向连接，所述中空管壁为HDPE材料，多肋增强骨架为聚合高分子材料。A HDPE hollow-wall composite multi-rib reinforced winding pipe includes a hollow pipe wall and a multi-rib reinforced frame. The multi-rib reinforced frame is arranged in the hollow pipe wall, and is characterized in that: the multi-rib reinforced frame consists of an upper plate , A lower plate and a plurality of ribs arranged between the upper plate and the lower plate, the upper plate is parallel to the lower plate, and the adjacent hollow pipe walls are heated by HDPE The melt is connected vertically, the hollow pipe wall is made of HDPE material, and the multi-rib reinforced frame is made of polymerized polymer material.
  2. 根据权利要求1所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述多肋增强骨架为单空腔结构、多个三角空腔结构或者筒状结构。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 1, wherein the multi-rib reinforced skeleton has a single cavity structure, a plurality of triangular cavity structures or a cylindrical structure.
  3. 根据权利要求2所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述单空腔结构包括两根肋柱组成，所述肋柱与所述上平板、所述下平板呈夹角或者垂直设置，所述肋柱的厚度分别为所述上平板、所述下平板的1.1倍。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 2, wherein the single-cavity structure includes two ribs, and the ribs are sandwiched between the upper and lower plates. Angle or vertical arrangement, the thickness of the rib column is 1.1 times of the upper plate and the lower plate respectively.
  4. 根据权利要求2所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：多个三角结构由两根以上的肋柱组成，其中，所述肋柱包括侧肋柱和至少一个中间肋柱，所述侧肋柱与所述上平板、所述下平板呈夹角设置，所述侧肋柱与所述上平板、所述下平板形成空腔，所述中间肋柱设置在所述侧肋柱内侧以将所述空腔分割成多个小空腔。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 2, wherein the plurality of triangular structures are composed of two or more ribs, wherein the ribs include side ribs and at least one middle rib. , The side rib column is arranged at an included angle with the upper plate and the lower plate, the side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged on the side The inner side of the rib column divides the cavity into a plurality of small cavities.
  5. 根据权利要求4所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述侧肋柱的厚度分别为所述上平板、所述下平板的1.1倍。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 4, wherein the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively.
  6. 根据权利要求5所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述中间肋柱的厚度是所述侧肋柱厚度的1.2倍。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 5, wherein the thickness of the middle rib column is 1.2 times the thickness of the side rib column.
  7. 根据权利要求2所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述筒状结构有不少于两根的肋柱组成，其中，所述肋柱包括侧肋柱和至少一个中间肋柱，所述侧肋柱与所述上平板、所述下平板垂直设置，所述侧肋柱与所述上平板、所述下平板形成空腔，所述中间肋柱设置在所述侧肋柱内侧以将所述空腔分割成多个小空腔。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 2, wherein the cylindrical structure is composed of no less than two ribs, wherein the ribs include side ribs and at least one The middle rib column, the side rib column is arranged perpendicular to the upper plate and the lower plate, the side rib column forms a cavity with the upper plate and the lower plate, and the middle rib column is arranged on the The inner side of the side rib column divides the cavity into a plurality of small cavities.
  8. 根据权利要求7所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述侧肋柱的厚度分别为所述上平板、所述下平板的1.1倍，所述中间肋柱的厚度是所述侧肋柱厚度的1.2倍。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 7, wherein the thickness of the side rib column is 1.1 times of the upper plate and the lower plate respectively, and the thickness of the middle rib column It is 1.2 times the thickness of the side ribs.
  9. 根据权利要求1-8任一所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述中空管壁设有单孔管腔或者多孔管腔，所述单孔管腔、所述多 孔管腔的形状为矩形或长方形。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to any one of claims 1-8, wherein the hollow pipe wall is provided with a single-hole lumen or a porous lumen, and the single-hole lumen, the The shape of the porous lumen is rectangular or rectangular.
  10. 根据权利要求9所述的HDPE中空壁复合多肋增强缠绕管，其特征在于：所述单孔管腔、所述多孔管腔的宽度均大于其各自所述管腔的高度，所述单孔管腔、所述多孔管腔的底部厚度均大于其各自所述管腔其他壁的厚度。The HDPE hollow-wall composite multi-rib reinforced winding pipe according to claim 9, wherein the widths of the single-hole lumen and the porous lumen are greater than the height of the respective lumen, and the single-hole The thickness of the bottom of the lumen and the porous lumen is greater than the thickness of the other walls of the respective lumen.
PCT/CN2020/086999 2020-04-23 2020-04-26 Hdpe hollow wall composite multi-rib reinforced coil pipe WO2021212525A1 (en)

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