CN116146830B - Assembled heat-insulating pipe groove and construction method thereof - Google Patents

Assembled heat-insulating pipe groove and construction method thereof

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Publication number
CN116146830B
CN116146830B CN202211716963.2A CN202211716963A CN116146830B CN 116146830 B CN116146830 B CN 116146830B CN 202211716963 A CN202211716963 A CN 202211716963A CN 116146830 B CN116146830 B CN 116146830B
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CN
China
Prior art keywords
pipe
connecting sleeve
pipe body
steel connecting
polypropylene fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211716963.2A
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Chinese (zh)
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CN116146830A (en
Inventor
黄永安
李宗文
樊轶江
张海
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China Railway First Survey and Design Institute Group Ltd
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China Railway First Survey and Design Institute Group Ltd
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Priority to CN202211716963.2A priority Critical patent/CN116146830B/en
Publication of CN116146830A publication Critical patent/CN116146830A/en
Application granted granted Critical
Publication of CN116146830B publication Critical patent/CN116146830B/en
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Classifications

    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments
    • F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments consisting of two half sleeves
    • 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
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/35—Ohmic-resistance heating
    • F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028—Compositions for or methods of fixing a thermally insulating material
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
    • G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids

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

Abstract

本发明公开了一种装配式保温管槽及其施工方法。排水管因保温性能不够，而导致管口冻结，使排水管排水不畅。本发明包括两个边管槽和若干个中管槽；边管槽和中管槽均由管体I和管体II组成，管体I和管体II呈半圆状；管体I和II包括聚丙烯纤维混凝土层和聚氨酯保温层；边管槽和中管槽拼接处设有半圆形的钢连接套管I和II，钢连接套管I和II拼接处设有弧形钢片；边管槽内侧设有伴热电缆。本发明可通过主动加热防止水流冻结；聚丙烯纤维混凝土层，对保温层起到保护作用，使其避免因冻土融化而产生破坏，聚丙烯纤维可以减少混凝土在早期硬化阶段的收缩和微裂缝情况。

The present invention discloses an assembled thermal insulation pipe trough and a construction method thereof. The drainage pipe has insufficient thermal insulation performance, which causes the pipe mouth to freeze, resulting in poor drainage of the drainage pipe. The present invention includes two side pipe troughs and a plurality of middle pipe troughs; the side pipe trough and the middle pipe trough are both composed of a pipe body I and a pipe body II, and the pipe body I and the pipe body II are semicircular; the pipe bodies I and II include a polypropylene fiber concrete layer and a polyurethane insulation layer; the joint of the side pipe trough and the middle pipe trough is provided with semicircular steel connecting sleeves I and II, and the joint of the steel connecting sleeves I and II is provided with an arc steel sheet; a heating cable is provided on the inner side of the side pipe trough. The present invention can prevent water flow from freezing by active heating; the polypropylene fiber concrete layer protects the insulation layer to prevent it from being damaged by the melting of frozen soil, and the polypropylene fiber can reduce the shrinkage and micro cracks of concrete in the early hardening stage.

Description

Assembled heat-insulating pipe groove and construction method thereof
Technical Field
The invention belongs to the technical field of drain pipe heat preservation, and particularly relates to an assembled heat preservation pipe groove and a construction method thereof.
Background
The drain pipe mainly bears the drainage tasks of rainwater, sewage, farmland drainage and irrigation, and the like, and is divided into a plastic drain pipe, a concrete pipe and a reinforced concrete pipe. However, in the Qinghai-Tibet plateau, the drain pipe is often frozen due to insufficient heat insulation performance, especially the pipe orifice, so that the drain pipe is not smoothly drained and is frozen again, thus vicious cycle is carried out, and various freezing injuries are induced. In addition, because the frozen soil is melted, the soil around the drain pipe is unevenly settled, and the heat preservation layer is damaged by traction.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the assembled heat-insulating pipe groove and the construction method thereof, which can resist freeze thawing damage, solve the problem of water outlet icing, and simultaneously reduce damage to the heat-insulating layer caused by soil layer settlement, thereby ensuring the heat-insulating effect of the heat-insulating layer.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
an assembled heat-insulating pipe groove is characterized by comprising two side pipe grooves and a plurality of middle pipe grooves;
The side pipe groove and the middle pipe groove are both composed of a pipe body I and a pipe body II, wherein the pipe body I and the pipe body II are semicircular;
The steel connecting sleeve I and the steel connecting sleeve II are respectively and fixedly connected with the pipe body I and the pipe body II in a threaded mode, and arc-shaped steel sheets are arranged at the splicing position of the steel connecting sleeve I and the steel connecting sleeve II and are fixedly connected with the steel connecting sleeve I and the steel connecting sleeve II in a threaded mode.
Furthermore, the connection position of the pipe body I and the pipe body II is in a staggered joint shape;
Further, a heat tracing cable is arranged along the inner side of the polyurethane heat insulation layer II of the pipe body II of the side pipe groove, and is arranged in an S-shaped curve, and a cable outlet is formed in the pipe body II;
Further, a temperature sensor is arranged on the inner surface of the pipe body II of the side pipe groove, and the temperature sensor is connected with a temperature display;
further, the polypropylene fiber amount of the polypropylene fiber concrete layer I and the polypropylene fiber concrete layer II is 0.15% -0.5%;
further, two layers of steel wire meshes are arranged in the polypropylene fiber concrete layer I and the polypropylene fiber concrete layer II;
further, threaded sleeves are embedded in the polypropylene fiber concrete layer I and the polypropylene fiber concrete layer II at the splicing ends of the side pipe grooves and the middle pipe grooves;
the construction method of the assembled heat-insulating pipe groove comprises the following steps:
Firstly, according to the length and the position relation of two adjacent section assembly type heat preservation pipe grooves, firstly placing a steel connecting sleeve II in a dug groove, and ensuring that when the two adjacent section assembly type heat preservation pipe grooves are placed, the joints of the two adjacent section assembly type heat preservation pipe grooves are positioned at the center line of the steel connecting sleeve II;
Sequentially placing the pipe bodies II of the adjacent pipe grooves according to the positions of holes on the threaded sleeve and the steel connecting sleeve II and the center line position of the steel connecting sleeve II, and then placing a drain pipe;
thirdly, placing a pipe body I of a first section of assembled heat-insulating pipe groove according to the staggered position relation of the end parts of the pipe body II and the pipe body I;
Step four, placing a steel connecting sleeve I on a pipe body I of the first pipe-saving groove according to the position of the threaded sleeve;
the pipe body I and the pipe body II of the first section of assembled heat-insulating pipe groove are respectively connected and fixed with the steel connecting sleeve I and the steel connecting sleeve II through bolts, and the steel connecting sleeve I and the steel connecting sleeve II are fixed through arc-shaped steel sheet drawknots;
Step six, according to the staggered position relation of the ends of the pipe body II and the pipe body I, placing the pipe body I of the second section of assembled heat-insulating pipe groove, pushing the pipe body I of the second section of prefabricated heat-insulating pipe groove to slide into the steel connecting sleeve I, fixing the pipe body I and the steel connecting sleeve II by using bolts, and fixing the pipe body I and the pipe body I by using arc-shaped steel sheets in a drawknot manner, and repeating the steps until the splicing of all the assembled heat-insulating pipe grooves is completed.
The invention has the beneficial effects that:
1) The water outlet is provided with the heat tracing cable, so that water flow can be prevented from freezing by active heating in extremely cold months in winter;
2) The concrete provided by the invention adopts the polypropylene fiber concrete, the shrinkage and microcrack conditions of the concrete in the early hardening stage can be reduced by the polypropylene fiber, the microcracks caused by the shrinkage cracks and temperature changes in the later hardening stage are reduced, the crack resistance of the polypropylene fiber concrete is excellent, and the polypropylene fiber concrete is suitable for resisting freeze thawing damage in the Qinghai-Tibet plateau environment;
3) The polypropylene fiber concrete layer plays a role in protecting the heat preservation layer, so that the heat preservation layer is prevented from being damaged due to the melting of frozen soil;
4) The double-layer steel wire mesh is additionally arranged on the polypropylene fiber concrete layer, so that the temperature stress can be resisted, the tensile capacity of the polypropylene fiber concrete layer can be increased, and meanwhile, the steel wire mesh constrains the concrete to deform, so that the rigidity of the concrete is enhanced;
5) The temperature sensor and the temperature display at the position of the water outlet are convenient for a worker to detect the temperature of the water outlet;
6) The prefabricated fiber concrete drain pipe groove is divided into an upper pipe body and a lower pipe body, pipelines can be flexibly arranged or changed, construction is simple and convenient, and time is saved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the docking station of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic diagram of a cable arrangement of the present invention;
In the figure, a 1-pipe body I, a 2-pipe body II, a 3-steel connecting sleeve I, a 4-steel connecting sleeve II, a 5-arc steel sheet, 6-bolts, a 7-polyurethane heat insulation layer I, an 8-heat tracing cable, a 9-cable outlet, a 10-steel wire mesh, a 11-threaded sleeve, a 12-temperature sensor, a 13-temperature display, a 14-side pipe groove, a 15-middle pipe groove, a 16-polypropylene fiber concrete layer I, a 17-polypropylene fiber concrete layer II and an 18-polyurethane heat insulation layer II are arranged.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention can resist freeze thawing damage, solve the problem of water outlet icing, and simultaneously reduce damage to the heat preservation layer caused by soil layer settlement, thereby ensuring the heat preservation effect of the heat preservation layer, and has the characteristics of good rigidity and high heat preservation performance, thereby being suitable for being used in cold areas, keeping water drainage smooth, being not easy to block, reducing head loss and preventing water flow from freezing.
As shown in fig. 1 and 2, the invention comprises two side tube grooves 14 and a plurality of middle tube grooves 15;
the side pipe groove 14 and the middle pipe groove 15 are both composed of a pipe body I1 and a pipe body II 2, the pipe body I1 and the pipe body II 2 are semicircular, and the joint position of the pipe body I1 and the pipe body II 2 is in a staggered joint shape and is used for forming a mortise and tenon structure and meshed with each other.
As shown in fig. 3, the pipe body I1 comprises a polypropylene fiber concrete layer I16 and a polyurethane heat insulation layer I7, and the pipe body II 2 comprises a polypropylene fiber concrete layer II 17 and a polyurethane heat insulation layer II 18;
The polypropylene fiber is a high-performance fiber special for concrete, and after the fiber is added into the concrete, the fiber can be easily, quickly and uniformly dispersed in the concrete to form a disordered supporting system, so that the directional stress of the concrete is dispersed, the generation and development of primary cracks in the concrete are prevented, the number and the scale of the primary micro cracks are eliminated or reduced, the micro cracks caused by factors such as plastic shrinkage, dry shrinkage, temperature change and the like of the concrete can be effectively controlled, the formation and the development of the primary cracks of the concrete are prevented and inhibited, the anti-cracking and anti-seepage performance and the anti-abrasion performance of the concrete are greatly improved, the toughness of the concrete is increased, and the service life of the concrete is prolonged.
Meanwhile, the polypropylene fiber concrete layer I16 and the polypropylene fiber concrete layer II 17 are internally provided with two layers of steel wire meshes 10, so that the temperature stress can be resisted, the tensile capacity of the polypropylene fiber concrete layer can be increased, and meanwhile, the deformation of the concrete is restrained by the steel wire meshes, so that the rigidity of the concrete is enhanced;
The top of the pipe body I is embedded with one threaded sleeve 11, two sides of the pipe body I are embedded with one threaded sleeve respectively at the joint adjacent to the pipe body II, two sides of the pipe body II are embedded with one threaded sleeve respectively at the joint adjacent to the pipe body I, and the end parts of the assembled heat-insulating pipe groove are embedded with 5 threaded sleeves respectively to be matched with the bolts 6;
A semicircular steel connecting sleeve I3 and a semicircular steel connecting sleeve II 4 are arranged at the splicing positions of the side pipe groove 14 and the middle pipe groove 15, and the steel connecting sleeve I3 and the steel connecting sleeve II 4 are respectively and fixedly connected with the pipe body I1 and the pipe body II 2 through a threaded sleeve 11 and a bolt 6;
The splicing position of the steel connecting sleeve I3 and the steel connecting sleeve II 4 is provided with an arc steel sheet 5, and the arc steel sheet 5 is fixedly connected with the steel connecting sleeve I3 and the steel connecting sleeve II 4 through threaded sleeves 11 and bolts 6.
As shown in FIG. 4, a pipe body II 2 of the side pipe groove 14 is provided with an S-shaped heat tracing cable 8 along the inner side of a polyurethane heat insulation layer II 18, a cable outlet 9 is arranged on the pipe body II 2, water flow freezing can be prevented through active heating in extremely cold months in winter, the inner surface of the pipe body II 2 of the side pipe groove 14 is provided with a temperature sensor 12, and the temperature sensor 12 is connected with a temperature display 13, so that a worker can conveniently detect the temperature of discharged water.
The construction method of the assembled heat-insulating pipe groove comprises the following steps:
firstly, according to the length and the position relation of two adjacent section assembled heat-insulating pipe grooves, firstly placing a steel connecting sleeve II 4 in a dug groove, and ensuring that when the two adjacent section assembled heat-insulating pipe grooves are placed, the joints of the two adjacent section assembled heat-insulating pipe grooves are positioned at the center line of the steel connecting sleeve II 4;
Step two, sequentially placing the pipe bodies II 2 of the adjacent pipe grooves according to the positions of the holes on the threaded sleeve 11 and the steel connecting sleeve II 4 and the center line position of the steel connecting sleeve II 4, and then placing a drain pipe;
Thirdly, placing a pipe body I1 of a first section of assembled heat-insulating pipe groove according to the staggered position relation of the end parts of the pipe body II 2 and the pipe body I1;
Step four, placing a steel connecting sleeve I3 on a pipe body I1 of the first pipe-saving groove according to the position of the threaded sleeve 11;
the pipe body I1 and the pipe body II 2 of the first section of assembled heat-preserving pipe groove are respectively connected and fixed with the steel connecting sleeve I3 and the steel connecting sleeve II4 through bolts 6, and the steel connecting sleeve I3 and the steel connecting sleeve II4 are fixedly tied through an arc steel sheet 5;
Step six, according to the staggered position relation of the end parts of the pipe body II 2 and the pipe body I1, the pipe body I1 of the second section of assembled heat-insulating pipe groove is placed, the pipe body I1 of the second section of prefabricated heat-insulating pipe groove is pushed to slide into the steel connecting sleeve I3 and is fixed by using the bolt 6, the steel connecting sleeve I3 and the steel connecting sleeve II 4 are fixedly tied by using the arc-shaped steel sheet 5, and the steps are repeated until the splicing of all the assembled heat-insulating pipe grooves is completed.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, as for example, they may be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through intermediaries, or in communication between two elements or in interaction with each other. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The content of the invention is not limited to the examples listed, and any equivalent transformation to the technical solution of the invention that a person skilled in the art can take on by reading the description of the invention is covered by the claims of the invention.

Claims (5)

1.一种装配式保温管槽，其特征在于：包括两个边管槽（14）和若干个中管槽（15）；1. An assembled thermal insulation pipe groove, characterized in that it comprises two side pipe grooves (14) and a plurality of middle pipe grooves (15); 所述边管槽（14）和中管槽（15）均由管体I（1）和管体II（2）组成，管体I（1）和管体II（2）呈半圆状；所述管体I（1）包括聚丙烯纤维混凝土层I（16）和聚氨酯保温层I（7），所述管体II（2）包括聚丙烯纤维混凝土层II（17）和聚氨酯保温层II（18）；The side pipe groove (14) and the middle pipe groove (15) are both composed of a pipe body I (1) and a pipe body II (2), and the pipe body I (1) and the pipe body II (2) are semicircular; the pipe body I (1) includes a polypropylene fiber concrete layer I (16) and a polyurethane thermal insulation layer I (7), and the pipe body II (2) includes a polypropylene fiber concrete layer II (17) and a polyurethane thermal insulation layer II (18); 所述边管槽（14）和中管槽（15）的拼接位置处设置有半圆形的钢连接套管I（3）和钢连接套管II（4），所述钢连接套管I（3）和钢连接套管II（4）分别与管体I（1）和管体II（2）通过螺纹方式固定连接；所述钢连接套管I（3）和钢连接套管II（4）拼接位置处设置有弧形钢片（5），弧形钢片（5）和钢连接套管I（3）、钢连接套管II（4）通过螺纹方式固定连接；A semicircular steel connecting sleeve I (3) and a steel connecting sleeve II (4) are provided at the joint position of the side pipe groove (14) and the middle pipe groove (15), and the steel connecting sleeve I (3) and the steel connecting sleeve II (4) are respectively fixedly connected to the pipe body I (1) and the pipe body II (2) by means of threads; an arc-shaped steel sheet (5) is provided at the joint position of the steel connecting sleeve I (3) and the steel connecting sleeve II (4), and the arc-shaped steel sheet (5) and the steel connecting sleeve I (3) and the steel connecting sleeve II (4) are fixedly connected by means of threads; 所述管体I（1）和管体II（2）连接位置处呈错槎状；The connection position between the tube body I (1) and the tube body II (2) is in a staggered shape; 所述边管槽（14）的管体II（2）沿聚氨酯保温层II（18）内侧设有伴热电缆（8），伴热电缆（8）呈S型曲线布置，管体II（2）上设有电缆线出口（9）；A heating cable (8) is provided along the inner side of the polyurethane insulation layer II (18) of the pipe body II (2) of the side pipe groove (14), the heating cable (8) is arranged in an S-shaped curve, and a cable outlet (9) is provided on the pipe body II (2); 所述边管槽（14）和中管槽（15）拼接端的聚丙烯纤维混凝土层I（16）和聚丙烯纤维混凝土层II（17）内预埋有螺纹套管（11）。A threaded sleeve (11) is pre-buried in the polypropylene fiber concrete layer I (16) and the polypropylene fiber concrete layer II (17) at the splicing ends of the side pipe groove (14) and the middle pipe groove (15). 2.根据权利要求1所述的一种装配式保温管槽，其特征在于：所述边管槽（14）的管体II（2）内表面设有温度传感器（12），所述温度传感器（12）与温度显示器（13）连接。2. An assembled thermal insulation pipe trough according to claim 1, characterized in that a temperature sensor (12) is provided on the inner surface of the pipe body II (2) of the side pipe trough (14), and the temperature sensor (12) is connected to a temperature display (13). 3.根据权利要求2所述的一种装配式保温管槽，其特征在于：所述聚丙烯纤维混凝土层I（16）和聚丙烯纤维混凝土层II（17）的聚丙烯纤维量为0.15％-0.5％。3. The assembled thermal insulation pipe trough according to claim 2, characterized in that the amount of polypropylene fiber in the polypropylene fiber concrete layer I (16) and the polypropylene fiber concrete layer II (17) is 0.15%-0.5%. 4.根据权利要求3所述的一种装配式保温管槽，其特征在于：所述聚丙烯纤维混凝土层I（16）和聚丙烯纤维混凝土层II（17）内设有两层钢丝网（10）。4. An assembled thermal insulation pipe trough according to claim 3, characterized in that two layers of steel mesh (10) are provided inside the polypropylene fiber concrete layer I (16) and the polypropylene fiber concrete layer II (17). 5.根据权利要求1-4任一项所述的装配式保温管槽的施工方法，其特征在于：包括以下步骤：5. The construction method of the assembled thermal insulation pipe trough according to any one of claims 1 to 4, characterized in that it comprises the following steps: 步骤一：根据相邻两个节装配式保温管槽的长度和位置关系，先将钢连接套管II（4）放置在挖好的沟槽内，保证放置相邻两个节装配式保温管槽时，两者的接缝在钢连接套管II（4）的中线处；Step 1: Based on the length and position relationship between two adjacent sections of assembled insulation pipe grooves, first place the steel connecting sleeve II (4) in the excavated groove, ensuring that when placing the two adjacent sections of assembled insulation pipe grooves, the joint between the two is at the center line of the steel connecting sleeve II (4); 步骤二：根据螺纹套管（11）与钢连接套管II（4）上孔洞的位置以及钢连接套管II（4）的中线位置，先后放置相邻管槽各自的管体II（2），然后放置排水管；Step 2: according to the positions of the holes on the threaded sleeve (11) and the steel connecting sleeve II (4) and the centerline position of the steel connecting sleeve II (4), the pipe bodies II (2) of the adjacent pipe grooves are placed in sequence, and then the drainage pipe is placed; 步骤三：根据管体II（2）和管体I（1）端部错槎状的位置关系，放置第一节装配式保温管槽的管体I（1）；Step 3: placing the pipe body I (1) of the first section of the assembled thermal insulation pipe trough according to the staggered positional relationship between the ends of the pipe body II (2) and the pipe body I (1); 步骤四：根据螺纹套管（11）的位置，将钢连接套管I（3）放置在第一节管槽的管体I（1）上；Step 4: According to the position of the threaded sleeve (11), place the steel connecting sleeve I (3) on the pipe body I (1) of the first pipe groove; 步骤五：将第一节装配式保温管槽的管体I（1）和管体II（2）分别与钢连接套管I（3）和钢连接套管II（4）用螺栓（6）连接固定，钢连接套管I（3）和钢连接套管II（4）之间用弧形钢片（5）拉结固定；Step 5: The pipe body I (1) and the pipe body II (2) of the first section of the assembled thermal insulation pipe trough are respectively connected and fixed to the steel connecting sleeve I (3) and the steel connecting sleeve II (4) by bolts (6), and the steel connecting sleeve I (3) and the steel connecting sleeve II (4) are tied and fixed by an arc-shaped steel sheet (5); 步骤六：根据管体II（2）和管体I（1）端部错槎状的位置关系，放置第二节装配式保温管槽的管体I（1），推动第二节预制保温管槽的管体I（1），使其滑进钢连接套管I（3）内，并使用螺栓（6）进行固定，钢连接套管I（3）和钢连接套管II（4）之间用弧形钢片（5）拉结固定，重复以上步骤直至完成所有装配式保温管槽的拼接。Step 6: According to the staggered positional relationship between the ends of pipe body II (2) and pipe body I (1), place the pipe body I (1) of the second section of the prefabricated thermal insulation pipe trough, push the pipe body I (1) of the second section of the prefabricated thermal insulation pipe trough into the steel connecting sleeve I (3), and fix it with bolts (6). The steel connecting sleeve I (3) and the steel connecting sleeve II (4) are tied and fixed with curved steel sheets (5). Repeat the above steps until all the prefabricated thermal insulation pipe troughs are spliced.
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CN111795259A (en) * 2020-06-19 2020-10-20 朱岳军 Heat preservation pipe sleeve

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CN207333976U (en) * 2017-07-21 2018-05-08 中建八局第四建设有限公司 Novel flexible water-proof sleeve pipe
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CN111795259A (en) * 2020-06-19 2020-10-20 朱岳军 Heat preservation pipe sleeve

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