CN218119055U - Three-way pipe with HDPE (high-density polyethylene) pipe lining - Google Patents

Three-way pipe with HDPE (high-density polyethylene) pipe lining Download PDF

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Publication number
CN218119055U
CN218119055U CN202222318797.2U CN202222318797U CN218119055U CN 218119055 U CN218119055 U CN 218119055U CN 202222318797 U CN202222318797 U CN 202222318797U CN 218119055 U CN218119055 U CN 218119055U
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China
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lining
pipe
section
way pipe
hdpe
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CN202222318797.2U
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Chinese (zh)
Inventor
窦玉明
张晓翔
徐效华
王洪勤
王士委
王帅民
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HENAN ZHONGTUO PETROLEUM ENGINEERING TECHNOLOGY CO LTD
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HENAN ZHONGTUO PETROLEUM ENGINEERING TECHNOLOGY CO LTD
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Abstract

The utility model discloses a three-way pipe with HDPE pipe liner, which relates to the technical field of pipe liner, comprising a three-way pipe straight section and a three-way pipe vertical section, wherein the straight section liner is inserted in the three-way pipe straight section, and the vertical section liner is inserted in the three-way pipe vertical section; an opening is formed in the position, corresponding to the vertical section lining, of the straight section lining, and one end, close to the straight section lining, of the vertical section lining is welded to the straight section lining in a sealing mode, corresponding to the opening; has the advantages that: the HDPE pipe with the lining is used for repairing the lining of the pipeline, so that the effects of leaking stoppage, corrosion prevention, resistance reduction and pressure increase are achieved; the inner wall of the HDPE pipe is smooth, so that the on-way resistance loss of a medium in the pipeline can be reduced; the HDPE has a non-polar molecular chain structure, other substances are not easy to attach to the surface of the HDPE, the inner wall of the pipeline is not easy to scale, the conveying distance can be increased, or the conveying pressure of a pump can be reduced, the investment can be reduced, and the conveying cost can be saved.

Description

Three-way pipe with HDPE (high-density polyethylene) pipe lining
Technical Field
The utility model relates to a pipeline inside lining technical field especially relates to a have HDPE pipe inside lining three-way pipe.
Background
The existing steel pipe lining technology can only carry out lining construction on a straight pipe section of a pipeline, can not only partially line the original pipeline tee joint, but also can only break the pipe and replace the new tee joint, the corrosion resistance life of the replaced tee joint is far shorter than that of an HDPE pipe, the whole service life of the pipeline is seriously influenced, and the use and maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a have HDPE pipe inside lining three-way pipe for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a three-way pipe with an HDPE (high-density polyethylene) pipe lining comprises a three-way pipe straight section and a three-way pipe vertical section, wherein a straight section lining is inserted into the three-way pipe straight section, and a vertical section lining is inserted into the three-way pipe vertical section; the straight section lining is provided with an opening corresponding to the position of the vertical section lining, one end, close to the straight section lining, of the vertical section lining is welded on the straight section lining in a sealing mode corresponding to the position of the opening, and filling layers are arranged between the outer surface of the straight section lining and the inner wall of the straight pipe section of the three-way pipe and between the outer surface of the vertical section lining and the inner wall of the vertical pipe section of the three-way pipe.
Preferably, the following components: and flanges are fixedly arranged at two ends of the straight pipe section of the three-way pipe and at one end of the vertical pipe section of the three-way pipe, which is far away from the straight pipe section of the three-way pipe.
Preferably, the following components: the two ends of the straight section lining extend out of the three-way pipe straight section respectively to form flanges, and one end, far away from the three-way pipe straight section, of the three-way pipe vertical section extends out of the three-way pipe vertical section to form flanges.
Preferably, the following components: the straight section lining and the vertical section lining are HDPE pipes.
Preferably, the following components: the filling material of the filling layer is resin.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. because the HDPE pipe lined with the lining is a nonpolar polymer organic plastic pipe, the HDPE pipe lined with the lining has the advantages of long service life, smooth inner wall, difficult scaling, no toxicity, no bacteria breeding and the like, and the HDPE pipe lined with the lining has the effects of leaking stoppage, corrosion prevention, resistance reduction and pressure increase when used for repairing the inner lining of the pipeline;
2. the inner wall of the HDPE pipe is smooth, the friction coefficient of the HDPE pipe is one twentieth of that of the steel pipe, and the on-way resistance loss of a medium in the pipeline can be reduced; HDPE is a non-polar molecular chain structure, other substances are not easy to adhere to the surface of HDPE, the inner wall of the pipeline is not easy to scale, the loss of flowing pressure head of water is lower than that of a cast iron pipe under the working condition of the pipeline with the same caliber and flow rate, the conveying distance can be increased, or the conveying pressure of a pump can be reduced, the investment can be reduced, and the conveying cost can be saved;
3. the HDPE pipe is not added with a heavy metal salt stabilizer in the processing process, so that the HDPE pipe is non-toxic in material, free of a scaling layer, free of bacteria breeding and safe to use;
4. by using the HDPE pipe as the lining, the corrosion resistance of the HDPE pipe and the mechanical property of the original three-way pipe are combined into one, and the service performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic diagram of the internal structure of a three-way pipe lined with HDPE pipe according to the present invention.
Fig. 2 is a schematic view of a three-dimensional structure with a HDPE pipe lining tee pipe.
The reference numerals are explained below:
1. a tee pipe straight pipe section; 2. a three-way pipe vertical pipe section; 3. flanging; 4. a flange plate; 5. a straight section liner; 6. a vertical section lining; 7. welding the part; 8. and (5) filling the layer.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore are not to be construed as limiting the present invention, and further, the terms "first", "second", and the like are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features being referred to, whereby the features defined as "first", "second", and the like may explicitly or implicitly include one or more such features, and in the description of the present invention, unless otherwise indicated, the terms "plurality" means two or more than two.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-2, a three-way pipe with an HDPE pipe lining comprises a three-way pipe straight section 1 and a three-way pipe vertical section 2, wherein a straight section lining 5 is inserted inside the three-way pipe straight section 1, a vertical section lining 6 is inserted inside the three-way pipe vertical section 2, and the straight section lining 5 and the vertical section lining 6 are used for corrosion prevention and pipeline usability improvement; the straight section lining 5 is provided with an opening corresponding to the position of the vertical section lining 6, one end of the vertical section lining 6, which is close to the straight section lining 5, is welded on the straight section lining 5 in a sealing way corresponding to the opening position, filling layers 8 are respectively arranged between the outer surface of the straight section lining 5 and the inner wall of the straight pipe section 1 of the three-way pipe and between the outer surface of the vertical section lining 6 and the inner wall of the vertical pipe section 2 of the three-way pipe, and the filling layers 8 are used for filling the structure to ensure the structural strength; flanges 4 are fixedly arranged at two ends of the three-way pipe straight section 1 and one end of the three-way pipe vertical pipe section 2 far away from the three-way pipe straight section 1, and the flanges 4 are used for facilitating connection; the two ends of the straight section lining 5 respectively extend out of the three-way pipe straight section 1 to be provided with flanges 3, and one end of the three-way pipe vertical pipe section 2, which is far away from the three-way pipe straight section 1, extends out of the three-way pipe vertical pipe section 2 to be provided with flanges 3, so that the pipeline connection is ensured and the lining is fixed at the same time; the straight section lining 5 and the vertical section lining 6 are HDPE pipes, and heavy metal salt stabilizers are not added in the processing process of the HDPE pipes, so that the HDPE pipes are non-toxic in material, free of scaling layers, free of bacteria breeding and safe to use; the filling material of the filling layer 8 is resin, which is used for fixation and connection and increases the structural strength.
The working principle is as follows: when the three-way pipe lining is used, the straight section lining 5 with the outer diameter slightly smaller than the inner diameter of the three-way pipe straight section 1 is inserted into the three-way pipe straight section 1, and the opening position of the three-way pipe straight section 1 is aligned with the vertical pipe section 2 of the three-way pipe; measuring and determining the length of a vertical section lining 6 required by the lining at the vertical pipe section 2 of the three-way pipe; polishing the vertical section lining 6 to a shape tightly attached to the outer surface of the straight section lining 5; vertical section inside lining 6 is close to 5 one ends of vertical section inside lining and buries the hot melt welding wire, vertical section inside lining 6 that will handle inserts in three-way pipe vertical pipe section 2 and pushes up tightly on vertical section inside lining 5, weld vertical section inside lining 6 to vertical section inside lining 5 through the heating, between 5 surface of vertical section inside lining and 1 inner wall of three-way pipe straight pipe section, add the resin between 6 surface of vertical section inside lining and the 2 inner walls of three-way pipe vertical pipe section, make the resin fill up the gap and solidify, accomplish the inside lining step, then be connected with ring flange 4 on the external pipe through ring flange 4 on 1 of three-way pipe straight pipe section and the three-way pipe vertical pipe section 2, realize fixed connection, turn-ups 3 of connecting middle vertical section inside lining 5 and vertical section inside lining 6 presss from both sides between ring flange 4.
Having shown and described the basic principles, essential features and advantages of the invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are merely illustrative, but rather are intended to cover various changes and modifications within the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. The utility model provides a have HDPE intraductal lining three-way pipe, includes three-way pipe straight tube section (1) and three-way pipe vertical tube section (2), its characterized in that: a straight section lining (5) is inserted into the straight pipe section (1) of the three-way pipe, and a vertical section lining (6) is inserted into the vertical pipe section (2) of the three-way pipe; the straight section lining (5) corresponds vertical section lining (6) position and sets up the opening, vertical section lining (6) are close to straight section lining (5) one end corresponds opening position seal welding is in on straight section lining (5), all set up filling layer (8) between straight section lining (5) surface and three-way pipe straight tube section (1) inner wall, vertical section lining (6) surface and three-way pipe vertical tube section (2) inner wall.
2. The tee with HDPE pipe lining of claim 1, wherein: and flanges (4) are fixedly arranged at both ends of the three-way pipe straight section (1) and one end of the three-way pipe vertical section (2) far away from the three-way pipe straight section (1).
3. The tee with HDPE pipe lining of claim 2, wherein: the two ends of the straight section lining (5) extend out of the three-way pipe straight section (1) respectively to be provided with flanges (3), and one end, far away from the three-way pipe straight section (1), of the three-way pipe vertical pipe section (2) extends out of the three-way pipe vertical pipe section (2) to be provided with flanges (3).
4. The tee with HDPE pipe lining of claim 3, wherein: the straight section lining (5) and the vertical section lining (6) are HDPE pipes.
5. The tee with HDPE pipe lining of claim 3, wherein: the filling material of the filling layer (8) is resin.
CN202222318797.2U 2022-09-01 2022-09-01 Three-way pipe with HDPE (high-density polyethylene) pipe lining Active CN218119055U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222318797.2U CN218119055U (en) 2022-09-01 2022-09-01 Three-way pipe with HDPE (high-density polyethylene) pipe lining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222318797.2U CN218119055U (en) 2022-09-01 2022-09-01 Three-way pipe with HDPE (high-density polyethylene) pipe lining

Publications (1)

Publication Number Publication Date
CN218119055U true CN218119055U (en) 2022-12-23

Family

ID=84528500

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222318797.2U Active CN218119055U (en) 2022-09-01 2022-09-01 Three-way pipe with HDPE (high-density polyethylene) pipe lining

Country Status (1)

Country Link
CN (1) CN218119055U (en)

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