CN111998175B - Armored prefabricated overhead steam heat-preservation pipe system and installation method thereof - Google Patents
Armored prefabricated overhead steam heat-preservation pipe system and installation method thereof Download PDFInfo
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- CN111998175B CN111998175B CN202010870550.4A CN202010870550A CN111998175B CN 111998175 B CN111998175 B CN 111998175B CN 202010870550 A CN202010870550 A CN 202010870550A CN 111998175 B CN111998175 B CN 111998175B
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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
- 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—Composition or method of fixing a thermally insulating material
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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
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
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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
- 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
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Abstract
The application discloses prefabricated built on stilts steam insulation pipe system of configuration armour and installation method thereof relates to the field of heating power pipe network, and its structure includes the fixed knot, and the one end of fixed knot is connected with the insulation cover assembly, and it is provided with the child pipe assembly to slide along its length direction in the insulation cover assembly, and the compensator is installed to the one end that the fixed knot was kept away from to child pipe assembly, overlaps between compensator and insulation cover assembly on the child pipe assembly to be equipped with the insulation oversleeve, and the insulation cover assembly includes a plurality of insulation cover knots that connect gradually. This application sets up in the insulation support assembly through sliding the child pipe assembly, and child pipe assembly is heated the extension, and the insulation support does not remove along with child pipe assembly, can not produce the hoop clearance between the insulation support, so this application has the elimination heat bridge, reduces additional radiating effect.
Description
Technical Field
The application relates to the field of heating power pipe networks, in particular to a prefabricated overhead steam heat-preservation pipe system with armor and an installation method thereof.
Background
At present, the technology of an industrial steam pipe network is developed rapidly, the length of the pipe network is developed from 5Km to more than 10Km, 20Km and even 30Km, the pipe diameter is increased from DN300 and DN600 to more than DN1000, the quantity of delivered steam is increased from twenty tons (per hour) to two hundred tons, or even hundreds of tons per hour, and the market requires the construction of a heat network which is more economical, better and lighter.
The structure and installation of the prefabricated overhead steam heat-insulating pipe are that a plurality of heat-insulating pipe sections are put in place, each heat-insulating pipe section comprises a tire pipe section and a heat-insulating layer attached to the tire pipe section, adjacent tire pipe sections are in butt welding, and finally heat-insulating materials are fixed between the adjacent heat-insulating layers to form a supplementary heat-insulating section.
According to the operation method, in the use process, high-temperature steam is introduced into the tire pipe joint, the tire pipe joint is expanded by thermal expansion to drive the heat-insulating layer and the supplementary heat-insulating section to move, and an annular gap is generated between the heat-insulating layer and the supplementary heat-insulating section to form a heat bridge, so that the inventor thinks that the defect of large additional heat dissipation capacity of a heat supply network exists in the use process of the related technology.
Disclosure of Invention
In order to eliminate a heat bridge and reduce additional heat dissipation, the application provides a prefabricated overhead steam heat-preservation pipe system configured with armor and an installation method thereof.
The application provides a configuration armour's prefabricated built on stilts steam insulation pipe system adopts following technical scheme:
a prefabricated overhead steam heat-insulation pipe system configured with armor comprises a fixed joint, wherein one end of the fixed joint is connected with a heat-insulation sleeve assembly, a tire pipe assembly is arranged in the heat-insulation sleeve assembly in a sliding mode along the length direction of the heat-insulation sleeve assembly, one end, far away from the fixed joint, of the tire pipe assembly is provided with a compensator, and a heat-insulation sleeve is sleeved on the tire pipe assembly between the compensator and the heat-insulation sleeve assembly;
the heat preservation cover assembly comprises a plurality of heat preservation sockets which are connected in sequence.
By adopting the technical scheme, when in use, hot steam is conveyed into the tire tube assembly, and the heat insulation sleeve assembly wraps the tire tube assembly to play a role in heat insulation; the child pipe assembly receives steam heating back extension, and the compensator carries out length compensation to the child pipe assembly, and the child pipe assembly slides in the expansion of insulation cover assembly, can't produce the hoop clearance between adjacent insulation cover festival to eliminate the heat bridge, ensured good thermal insulation performance, so this application can effectively reduce additional heat dissipation.
Preferably, the heat-insulating socket comprises a heat-insulating tile layer wrapped on the periphery of the tire pipe joint, a shell sleeved on the heat-insulating tile layer and a heat-insulating foam layer filled between the heat-insulating tile layer and the shell;
the outer side surfaces of two ends of the heat-insulation foam layer are embedded with connecting lining plates, and two adjacent connecting lining plates between the sections of the heat-insulation sleeve are welded or riveted.
By adopting the technical scheme, the embedded connection lining plate is adopted, the welding or riveting connection lining plate is utilized, the connection between the adjacent heat-insulation socket joints is firmer, and no gap is generated to form a heat bridge.
Preferably, the connecting lining plates are annular, two adjacent insulating sleeve joints are connected by spot welding, and sealing rubber rings are circumferentially coated at the spot welding joints between the adjacent insulating sleeve joints.
Through adopting above-mentioned technical scheme, the connection between the adjacent insulation socket is not only firm but also sealing performance is strong.
Preferably, a wrapping belt is wrapped between the adjacent heat-insulating sleeve joints at the sealing rubber ring, and a hoop for tightening the wrapping belt is sleeved on the wrapping belt.
Through adopting above-mentioned technical scheme, on the one hand, utilize the band to improve pleasing to the eye degree, on the other hand, the staple bolt tightens up the band, compresses tightly sealed rubber ring department, further improves the sealing performance of heat preservation socket junction.
Preferably, the tyre tube assembly comprises a plurality of tyre tube joints connected end to end, and the joints of the adjacent tyre tube joints and the joints of the adjacent heat-insulating sockets are arranged in a staggered manner.
Preferably, the top of the outer side surface of the heat-insulating foam layer is embedded with a reinforcing lining plate along the length direction of the shell.
Through adopting above-mentioned technical scheme, inlay the interior welt of establishing the reinforcement and be used for strengthening the structural strength at shell top, avoid because personnel trample, cause the sunken problem of shell.
Preferably, the compensator is a rotary compensator, and the heat-insulating oversleeve is a telescopic heat-insulating oversleeve.
By adopting the technical scheme, the rotary compensator has the advantages of good sealing performance, high safety factor and low maintenance and repair cost, and the telescopic heat-insulating sleeve is used for being matched with the rotary compensator and insulating an extended tire tube assembly.
The application provides an installation method of a prefabricated overhead steam heat preservation pipe system configured with armor, which adopts the following technical scheme:
a method for installing an armor-equipped prefabricated overhead steam insulation pipe system comprises the following steps:
s1, prefabricating a plurality of steam heat-insulating pipe joints and a heat-insulating sleeve, wherein each steam heat-insulating pipe joint comprises a tire pipe joint and a heat-insulating sleeve joint which is slidably sleeved on the tire pipe joint;
s2, positioning a plurality of steam insulation pipe joints;
s3, butt welding the plurality of tire tube sections to form a tire tube assembly, wherein one end of the tire tube assembly is butt welded with the inner steam tube of the fixed section;
s4, detecting each welding seam of the tire tube assembly by rays;
s5, butt welding the heat-insulating socket close to the fixed joint with the shell of the fixed joint, and dragging the rest heat-insulating sockets to approach the fixed joint along the tire pipe assembly;
s6, welding the lining plate, applying sealant and a wrapping tape, installing a hoop, and connecting a plurality of heat-insulating socket joints to form a heat-insulating socket assembly;
and S7, sleeving a heat-insulating sleeve on one end, far away from the fixed joint, of the tire tube assembly, installing a compensator, welding two ends of the heat-insulating sleeve, and fixing two ends of the heat-insulating sleeve with a heat-insulating shell of the compensator and the heat-insulating sleeve assembly respectively.
By adopting the technical scheme, after the tire tube assembly is heated and extended, the length compensation is carried out by the compensator, the tire tube assembly stretches and slides in the heat-insulation sockets, and because the heat-insulation sockets are mutually fixed, gaps cannot be generated between the adjacent heat-insulation sockets, a heat bridge is formed, additional heat dissipation is effectively reduced, and good heat-insulation performance is realized.
In summary, the present application includes at least one of the following beneficial technical effects:
the tyre tube assembly is arranged in the heat insulation sleeve assembly in a sliding manner, after the tyre tube assembly is heated, the tyre tube assembly stretches and slides in the heat insulation sleeve assembly, the compensator performs length compensation on the tyre tube assembly, however, the heat insulation sleeve joints are firmly connected with the fixed joint shell, so that the heat insulation sleeve joints cannot be driven to move, good heat insulation performance is ensured, no gap can be generated between the adjacent heat insulation sleeve joints, and additional heat dissipation is effectively reduced;
the connecting inner lining plates are embedded, so that the structural strength of the end part of the shell is enhanced, and the end part of the shell is effectively prevented from being deformed and damaged due to collision in the hoisting and carrying processes; the second connecting device is used for connecting adjacent heat-insulating sleeve sections and is beneficial to enhancing the connecting strength between the adjacent heat-insulating sleeve sections;
through inlaying the interior welt of reinforcement, the structural strength at reinforcing shell top avoids because personnel trample, causes the sunken problem of shell.
Drawings
FIG. 1 is a schematic structural view of an armor-equipped prefabricated overhead steam insulation pipe system according to an embodiment of the present disclosure.
FIG. 2 is a cross-sectional view of an insulation socket in an armor-equipped prefabricated overhead steam insulation pipe system according to an embodiment of the present disclosure.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
FIG. 4 is a schematic flow chart of a method of installing an armor configured prefabricated overhead steam insulation pipe system according to an embodiment of the present disclosure.
Description of reference numerals: 1. a fixed joint; 2. a thermal insulation jacket assembly; 3. a tire tube assembly; 4. a compensator; 5. a tire pipe section; 6. a heat-insulating socket; 7. a heat-insulating tile layer; 8. a housing; 9. a thermal insulation foam layer; 10. connecting the lining plates; 11. sealing the rubber ring; 12. wrapping belts; 13. hooping; 14. a reinforcing inner liner plate; 15. thermal sleeve.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses prefabricated built on stilts steam insulation pipe system.
Referring to fig. 1 and 2, a prefabricated overhead steam insulation pipe system configured with an armor comprises a fixed joint 1, one end of the fixed joint 1 is connected with an insulation sleeve assembly 2, a tire pipe assembly 3 is arranged in the insulation sleeve assembly 2 in a sliding mode along the length direction of the tire pipe assembly, one end, far away from the fixed joint 1, of the tire pipe assembly 3 is provided with a compensator 4, the compensator 4 adopts a rotary compensator in the prior art and is used for compensating the elongation of the tire pipe assembly 3 after being heated, an insulation sleeve 15 is sleeved on the tire pipe assembly 3 between the compensator 4 and the insulation sleeve assembly 2, two ends of the insulation sleeve 15 are respectively fixed with an insulation shell of the compensator 4 and the insulation sleeve assembly 2, the insulation sleeve 15 is a telescopic insulation sleeve, and the detailed structure of the insulation sleeve is referred to chinese patent with patent publication No. CN203948872U and is used for satisfying the insulation of the tire pipe assembly 3 in a telescopic state.
The tire pipe assembly 3 comprises a plurality of tire pipe joints 5 which are butt-welded end to end, the heat insulation sleeve assembly 2 comprises a plurality of heat insulation sleeve joints 6 which are coaxially connected end to end, and each heat insulation sleeve joint 6 comprises a heat insulation tile layer 7 sleeved on the tire pipe joint 5, a shell 8 sleeved on the heat insulation tile layer 7 and a heat insulation foam layer 9 filled between the heat insulation tile layer 7 and the shell 8; the outer side surfaces at two ends of the heat insulation foam layer 9 are embedded with connecting lining plates 10, and the two connecting lining plates 10 which are close to each other between the adjacent heat insulation socket joints 6 are welded or riveted to realize the fixation between the heat insulation socket joints 6.
Referring to fig. 1 and 3, two connecting lining plates 10 are fixed in a welding mode, the connecting lining plates 10 are annular, the two connecting lining plates 10 which are close to each other between adjacent heat-insulating sockets 6 are connected in a spot welding mode, spot welding positions are distributed on the connecting lining plates 10 in a circumferential array mode, sealing rubber rings 11 are coated at spot welding joints between the adjacent heat-insulating sockets 6, and sealing performance of the joints between the heat-insulating sockets 6 is guaranteed. The package in sealed rubber ring 11 department is equipped with band 12 between adjacent heat preservation socket 6, and the material of band 12 is the same with the material of shell 8, all adopts the aluminum alloy, and the cover is equipped with staple bolt 13 that is used for tightening up band 12 on the band 12, during the use, adopts staple bolt 13 to tighten up band 12, on the one hand, improves the pleasing to the eye degree of heat preservation socket 6 junction, and on the other hand utilizes band 12 to wrap up sealed rubber ring 11 tightly, further improves the sealing performance of junction between adjacent heat preservation socket 6.
The top of the outer side surface of the heat-insulating foam layer 9 is embedded with a reinforcing lining plate 14 along the length direction of the shell 8, so that the structural strength of the top of the shell 8 is improved, and the shell 8 is prevented from being deformed due to treading in the daily use process. The joint of the adjacent tyre pipe joints 5 and the joint of the adjacent heat-insulating sleeve joint 6 are arranged in a staggered way.
The implementation principle of the armor-equipped prefabricated overhead steam heat-preservation pipe system in the embodiment of the application is as follows: when in use, hot steam is conveyed in the tire tube assembly 3, and the heat insulation sleeve assembly 2 wraps the tire tube assembly 3 to play a role in heat insulation; the tyre tube assembly 3 is heated to extend, the compensator 4 is used for length compensation, the tyre tube assembly 3 is stretched and slid in the heat insulation sleeve assembly 2 without driving the heat insulation sleeve joints 6 to move, and no gap is generated between the adjacent heat insulation sleeve joints 6, so that good heat insulation performance is realized, a heat bridge is eliminated, and additional heat loss is reduced.
The embodiment of the application further discloses an installation method of the armor-equipped prefabricated overhead steam heat-preservation pipe system.
Referring to fig. 4, a method for installing an armor-equipped prefabricated overhead steam insulation pipe system includes the following steps:
s1, prefabricating a plurality of steam insulation pipe joints and an insulation sleeve 15 for adjusting the length of the insulation sleeve, wherein each steam insulation pipe joint comprises a tire pipe joint 5 and an insulation sleeve joint 6 which is slidably sleeved on the tire pipe joint 5;
the specific manufacturing steps of the steam heat-preservation pipe joint are as follows: positioning the tire pipe joint 5 by adopting a clamp; a plurality of heat-insulating tiles are bound on the periphery of the tire pipe joint 5 to form a heat-insulating tile layer 7, and a sliding gap convenient to slide is reserved between the inner wall of the heat-insulating tile layer 7 and the tire pipe joint 5; welding and connecting an inner lining plate 10 and a reinforcing inner lining plate 14 at corresponding positions on the inner wall of the shell 8, and sleeving the shell 8 on the heat-insulating tile layer 7; injecting foaming raw materials into an interlayer between the shell 8 and the heat-insulating tile layer 7 for foaming operation to form a heat-insulating foam layer 9, wherein the heat-insulating foam layer 9 is made of polyurethane;
s2, installing a plurality of steam heat-preservation pipe joints in place along a designed heat supply network line;
s3, butt welding the plurality of tire tube joints 5 to form a tire tube assembly 3, wherein one end of the tire tube assembly 3 is butt welded with the inner steam tube of the fixed joint 1;
s4, detecting the strength, and detecting each welding seam on the tube assembly 3 by X-ray;
s5, butt welding the heat-insulating sockets 6 close to the fixed joint 1 with the shell of the fixed joint 1, dragging the rest of the heat-insulating sockets 6 to approach the fixed joint 1 along the tire tube assembly 3, abutting the heat-insulating sockets 6 end to end, and sleeving heat-insulating sleeves 15 for compensating the length of the heat-insulating sockets 6 on the exposed part of one end of the tire tube assembly 3 far away from the fixed joint 1;
s6, welding two inner lining plates between adjacent heat-insulating sockets 6 in a spot welding mode, wherein spot welding parts are distributed in a circumferential display mode, sealing glue and wrapping tapes 12 are applied, and anchor ears 13 are installed to connect a plurality of heat-insulating sockets 6 to form a heat-insulating socket assembly 2; wherein, a sealing rubber ring 11 is formed after the sealing glue is solidified;
s7, sleeving a heat-insulating sleeve 15 at one end of the tire tube assembly 3 far away from the fixed joint 1, installing a compensator 4, welding two ends of the heat-insulating sleeve 15, and fixing two ends of the heat-insulating sleeve 15 with the compensator 4 and the heat-insulating sleeve assembly 2 respectively.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (4)
1. The utility model provides a configuration armour's prefabricated built on stilts steam insulation pipe system which characterized in that: the heat-insulation sleeve comprises a fixed joint (1), one end of the fixed joint (1) is connected with a heat-insulation sleeve assembly (2), a tire tube assembly (3) is arranged in the heat-insulation sleeve assembly (2) in a sliding mode along the length direction of the heat-insulation sleeve assembly, the tire tube assembly (3) comprises a plurality of tire tube joints (5) connected end to end, a compensator (4) is installed at one end, far away from the fixed joint (1), of the tire tube assembly (3), and a heat-insulation sleeve (15) is sleeved on the tire tube assembly (3) between the compensator (4) and the heat-insulation sleeve assembly (2);
the heat-insulating sleeve assembly (2) comprises a plurality of heat-insulating sleeve joints (6) which are sequentially connected, and the joint of the adjacent tire pipe joints (5) and the joint of the adjacent heat-insulating sleeve joints (6) are arranged in a staggered manner;
the heat-insulation socket (6) comprises a heat-insulation tile layer (7) wrapped on the periphery of the tire pipe joint (5), a shell (8) sleeved on the heat-insulation tile layer (7) and a heat-insulation foam layer (9) filled between the heat-insulation tile layer (7) and the shell (8);
connecting lining plates (10) are embedded in the outer side surfaces of two ends of the heat-insulating foam layer (9), and the two connecting lining plates (10) between the adjacent heat-insulating sockets (6) are welded or riveted;
the connecting lining plates (10) are annular, two adjacent heat-insulation sockets (6) are connected with each other in a spot welding manner, and sealing rubber rings (11) are circumferentially coated at the spot welding connection positions between the adjacent heat-insulation sockets (6);
a wrapping belt (12) is wrapped between the adjacent heat-insulation sockets (6) at the position of the sealing rubber ring (11), and a hoop (13) for tightening the wrapping belt (12) is sleeved on the wrapping belt (12).
2. The armored prefabricated overhead steam insulated pipe system of claim 1, wherein: and a reinforcing lining plate (14) is embedded in the top of the outer side surface of the heat-insulating foam layer (9) along the length direction of the shell (8).
3. The armored prefabricated overhead steam insulated pipe system of claim 1, wherein: the compensator (4) is a rotary compensator, and the heat-insulating oversleeves (15) are telescopic heat-insulating oversleeves.
4. A method for installing an armor-equipped prefabricated overhead steam insulation pipe system is characterized by comprising the following steps of:
s1, prefabricating a plurality of steam heat-insulating pipe joints and a heat-insulating sleeve (15), wherein each steam heat-insulating pipe joint comprises a tire pipe joint (5) and a heat-insulating sleeve joint (6) which is sleeved on the tire pipe joint (5) in a sliding manner;
s2, positioning a plurality of steam insulation pipe joints;
s3, butt welding the plurality of tire tube joints (5) to form a tire tube assembly (3), and butt welding one end of the tire tube assembly (3) and the inner steam tube of the fixed joint (1);
s4, detecting each welding seam of the tire tube assembly (3) by rays;
s5, butt welding the heat-insulating socket joint (6) close to the fixed joint (1) with the shell of the fixed joint (1), and dragging the rest heat-insulating socket joints (6) to be close to the fixed joint (1) along the tire tube assembly (3);
s6, welding the lining plate (10), applying sealant and a wrapping tape (12), installing a hoop (13), and connecting a plurality of heat-insulating sockets (6) to form a heat-insulating socket assembly (2);
s7, sleeving a heat-insulating oversleeve (15) at one end of the tire tube assembly (3) far away from the fixed joint (1), installing a compensator (4), welding two ends of the heat-insulating oversleeve (15), and fixing two ends of the heat-insulating oversleeve (15) with a heat-insulating shell of the compensator (4) and the heat-insulating oversleeve assembly (2) respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010870550.4A CN111998175B (en) | 2020-08-26 | 2020-08-26 | Armored prefabricated overhead steam heat-preservation pipe system and installation method thereof |
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| CN202010870550.4A CN111998175B (en) | 2020-08-26 | 2020-08-26 | Armored prefabricated overhead steam heat-preservation pipe system and installation method thereof |
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| CN111998175A CN111998175A (en) | 2020-11-27 |
| CN111998175B true CN111998175B (en) | 2022-01-11 |
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| CN202010870550.4A Active CN111998175B (en) | 2020-08-26 | 2020-08-26 | Armored prefabricated overhead steam heat-preservation pipe system and installation method thereof |
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| CN116792606B (en) * | 2023-08-22 | 2023-11-03 | 川易机电设备启东有限公司 | Prefabricated overhead steam insulation pipe system and installation method thereof |
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| CN210978982U (en) * | 2019-06-18 | 2020-07-10 | 河北天创管道工程有限公司 | Novel prefabricated joint heat preservation oversleeve of glass fiber |
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| CN2313145Y (en) * | 1997-12-22 | 1999-04-07 | 黎燕 | Quickly-fitted composite heat-insulation case |
| CN2683984Y (en) * | 2004-04-12 | 2005-03-09 | 冯延忠 | Steel lagging direct burial anticorrosive insulating pipe for steel vapor |
| CN104154345A (en) * | 2014-07-29 | 2014-11-19 | 吴胜利 | Heat-insulating pipe |
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| CN111998175A (en) | 2020-11-27 |
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