CN116398749B - Prefabricated overhead heat-insulating pipe assembly and installation method thereof - Google Patents
Prefabricated overhead heat-insulating pipe assembly and installation method thereof Download PDFInfo
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- CN116398749B CN116398749B CN202310677643.9A CN202310677643A CN116398749B CN 116398749 B CN116398749 B CN 116398749B CN 202310677643 A CN202310677643 A CN 202310677643A CN 116398749 B CN116398749 B CN 116398749B
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- calcium silicate
- layer
- pipe
- fixed sleeve
- heat insulation
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 139
- 239000011241 protective layer Substances 0.000 claims abstract description 38
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 230000001050 lubricating effect Effects 0.000 claims abstract description 7
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 128
- 239000000378 calcium silicate Substances 0.000 claims description 128
- 238000009413 insulation Methods 0.000 claims description 88
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 75
- 229910000831 Steel Inorganic materials 0.000 claims description 61
- 239000010959 steel Substances 0.000 claims description 61
- 239000011810 insulating material Substances 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000005461 lubrication Methods 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/10—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing
- F16L3/1091—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing divided, i.e. with two or more members engaging the pipe, cable or protective tubing with two members, the two members being fixed to each other with fastening members on each side
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a prefabricated overhead heat-insulating pipe assembly and an installation method thereof, belonging to the field of heat-insulating pipe assemblies, wherein the prefabricated overhead heat-insulating pipe assembly comprises a straight pipe section, a working pipe and a fixing sleeve, wherein the working pipe is penetrated with the fixing sleeve along the axial direction of the working pipe, the working pipe can penetrate out of the fixing sleeve, and an inner clamping gap is reserved between the working pipe and the fixing sleeve; the fixed sleeve is sequentially provided with a plurality of groups of heat preservation layers and an outer protective layer from inside to outside along the radial direction of the fixed sleeve; a first locking section. According to the prefabricated overhead heat-insulating pipe assembly and the installation method thereof, the working pipe can penetrate out of the fixed sleeve and is provided with the inner clamping gap, the inner clamping gap is filled with the lubricating material, and when the working pipe penetrates out, the working pipe is smoother than the working pipe which directly contacts with the multi-layer heat-insulating layer, and the fixed sleeve is fixed relative to the multi-layer heat-insulating layer, so that the multi-layer heat-insulating layer cannot follow up when the working pipe penetrates out, and the heat-insulating layer cannot be wrinkled or shortened.
Description
Technical Field
The invention belongs to the field of insulating pipe assemblies, and particularly relates to a prefabricated overhead insulating pipe assembly and an installation method thereof.
Background
The prefabricated overhead heat-insulating pipe is an overhead heat-insulating pipe suitable for a ground long heat-conveying network, can convey steam or other fluid media, and has the greatest characteristics of factory prefabrication, processing and forming compared with the traditional overhead heat-insulating pipe, and can greatly shorten the field construction period and reduce the operation difficulty.
In the prior art, when the prefabricated overhead heat-insulating pipe is produced, the heat-insulating pipe is generally formed by internally arranging a core pipe (working pipe) in the inner part, sequentially arranging multiple heat-insulating materials from inside to outside along the axial direction of the core pipe, and the outermost layer of the prefabricated overhead heat-insulating pipe is formed by an outer protective layer, wherein the outer protective layer locks the heat-insulating materials of the outermost layer from outside to inside in sequence, so that the qualified prefabricated overhead heat-insulating pipe is finally produced; of course, the prefabricated overhead insulating pipes with different insulating material materials and different outer protective layer materials are subdivided into different shapes and different colors, but the prefabricated overhead insulating pipes of any type are generally produced in a segmented mode during production, after one section of production is finished, the built-in core pipe is required to be moved forward or backward to adapt to the production of insulating pipes with different lengths or different diameters, but the following situation occurs when the built-in core pipe is moved forward or backward for the various insulating material layers, and once the built-in insulating layer is driven, the insulating layer is caused to appear or fold or shorten, or the moving efficiency of the built-in core pipe and the overall stability of the insulating pipe are influenced to correspondingly reduce, and even worse, the built-in core pipe does not meet the tolerance standard to cause rejection of the whole section of insulating pipe.
The problem that how to make the built-in heat insulation layer follow-up when the built-in core pipe moves forwards or backwards becomes one of the problems to be solved urgently, and how to ensure that the heat insulation layer is locked when the prefabricated overhead heat insulation pipe is produced so that the whole heat insulation layer is stable becomes a serious problem.
The present invention seeks to mitigate or at least alleviate such problems or disadvantages by providing a new or otherwise improved insulating tube assembly.
Disclosure of Invention
In view of one or more of the above-mentioned drawbacks or improvements of the prior art, the present invention provides a prefabricated overhead insulating tube assembly and a method of installing the same, which has the advantages that the multiple insulating layers do not follow up when the built-in core tube is moved, and the locking effect on the multiple insulating layers is high.
In order to achieve the above-mentioned object, the present invention provides a prefabricated overhead insulating pipe assembly, which comprises a straight pipe section, wherein the straight pipe section is provided with a working pipe, the working pipe is provided with a fixed sleeve in a penetrating way along the axial direction of the working pipe, the working pipe can penetrate out of the fixed sleeve, and an inner clamping gap is arranged between the working pipe and the fixed sleeve;
the fixed sleeve is sequentially provided with a plurality of groups of heat preservation layers and an outer protective layer from inside to outside along the radial direction of the fixed sleeve;
the first locking section is detachably arranged on the outer protective layer and is formed by splicing a plurality of sub-modules, and the plurality of sub-modules surround to form an area through which the outer protective layer can pass, and is used for locking the outer protective layer, the plurality of groups of heat preservation layers and the fixed sleeve from outside to inside so as to prevent the plurality of groups of heat preservation layers from sliding along with the fixed sleeve when the working pipe passes through the fixed sleeve;
the pipe bracket supporting piece is arranged on the first locking section and is used for supporting the first locking section; and
and the second locking section is arranged on the outer protective layer, is positioned at one end or two ends of the pipe bracket supporting piece and is used for carrying out secondary locking on the outer protective layer, the plurality of groups of heat preservation layers and the fixed sleeve from outside to inside and supporting the outer protective layer.
As a further improvement of the invention, a graphite lubrication layer is arranged in an inner clamping gap between the working tube and the fixed sleeve, and the size of the graphite lubrication layer is matched with the size of the inner clamping gap.
As a further improvement of the invention, the fixed sleeve is sequentially provided with a hard calcium silicate layer and a soft heat-insulating material layer from inside to outside along the radial direction.
As a further improvement of the invention, the submodule of the first locking section is composed of a sub-calcium silicate section, both edges of one end of the sub-calcium silicate section are provided with buckling openings, both edges of the other end of the sub-calcium silicate section are uniformly provided with buckling openings, wherein a plurality of sub-calcium silicate sections are surrounded to form a columnar area through which the outer protective layer can pass, and the columnar area is used for locking the outer protective layer, the soft heat-insulating material layer and the hard calcium silicate layer from outside to inside so as to prevent the soft heat-insulating material layer and the hard calcium silicate layer from sliding along with the fixed sleeve when the working tube passes through the fixed sleeve, and the buckling openings are used for splicing the two sub-calcium silicate sections when the buckling openings are buckled.
As a further improvement of the invention, the arc ring plates are detachably arranged on the sub-calcium silicate sections, and the size of the arc ring plates is matched with the size of the sub-calcium silicate sections.
As a further improvement of the present invention, the pipe bracket support comprises
An upper hoop;
the lower hoop and the upper hoop are provided with a first space for the first locking section to integrally pass through;
the first fastening bolt is arranged in the lower anchor ear, one end of the first fastening bolt penetrates through the upper anchor ear, and the first fastening bolt is used for installing the upper anchor ear and the lower anchor ear;
the support plate is arranged at one end of the lower anchor ear;
the embedded steel plate is arranged at the bottom of the supporting plate;
the embedded steel pipe is detachably arranged on the bottom surface of the embedded steel plate; and
the concrete buttress is detachably connected to the embedded steel plate and penetrated by the embedded steel pipe;
when the inner circumferential surface of the upper hoop is attached to the first locking section, the inner circumferential surface of the lower hoop is attached to the first locking section, and the first fastening bolt penetrates through the upper hoop and is used for supporting the first locking section.
As a further improvement of the invention, the size of the embedded steel pipe is matched with the size of the embedded steel pipe, the embedded steel pipe penetrates to the bottom of the concrete buttress, and the embedded steel pipe does not penetrate out from the bottom surface of the concrete buttress.
As a further improvement of the present invention, the second locking section includes
A clamping hoop is arranged;
the lower clamp and the upper clamp are provided with a second space for the first locking section to integrally pass through;
the two tail ends of the upper calcium silicate heat insulation block are provided with notches;
the two tail ends of the lower calcium silicate heat insulation block are uniformly provided with bulges, when the bulges are inserted into the notch, the bulges are used for splicing the lower calcium silicate heat insulation block and the upper calcium silicate heat insulation block into an annular whole, and the annular whole is provided with a through hole;
the second fastening bolt is detachably inserted into the lower clamp, one end of the second fastening bolt can pass through the upper clamp, and the second fastening bolt is used for splicing and positioning the upper clamp and the lower clamp;
the soft heat insulation layer is detachably arranged in the through hole, the outer circumferential surface of the soft heat insulation layer is attached to the inner circumferential surface of the upper calcium silicate heat insulation block, the outer circumferential surface of the soft heat insulation layer is attached to the inner circumferential surface of the lower calcium silicate heat insulation block, a through groove is formed in the soft heat insulation layer, the through groove can be used for enabling the outer protection layer to pass through, and the soft heat insulation material layer, the hard calcium silicate layer and the fixed sleeve are locked for the second time from outside to inside;
the rib plate is detachably arranged at the bottom of the lower clamp, and the size of the rib plate is matched with that of the lower clamp;
the bottom plate is detachably arranged at the bottom of the rib plate, and the size of the bottom plate is matched with the size of the rib plate; and
the vertical plate is detachably arranged on the bottom plate, and the size of the vertical plate is matched with that of the bottom plate.
As a further development of the invention, the second locking section further comprises
The inner thrust block is detachably arranged on the upper clamp and is used for preventing the upper calcium silicate heat insulation block from falling off from the upper clamp;
and the stop block is detachably arranged on the lower clamp and is used for preventing the lower calcium silicate heat insulation block from falling off from the lower clamp.
Another technical problem to be solved by the invention is a method for installing a prefabricated overhead insulating tube assembly,
s1, arranging a working tube on a supporting tube, axially penetrating the working tube through a fixed sleeve, enabling the working tube to penetrate out of the fixed sleeve, filling a graphite lubricating layer in a gap between the working tube and the fixed sleeve, filling a soft heat-insulating material layer on the upper half part of the fixed sleeve, filling a hard calcium silicate layer on the lower half part of the fixed sleeve, and sleeving an outer protection layer on the outer circumferential surfaces of the soft heat-insulating material layer and the hard calcium silicate layer;
s2, every two sub-calcium silicate sections are combined into a group, the buckle of one sub-calcium silicate section is inserted into the buckle opening of the other sub-calcium silicate section, the two sub-calcium silicate sections are attached at the same time, and the like until the two sub-calcium silicate sections are spliced into a ring-shaped whole, so that a columnar area is formed in the ring-shaped whole, and the outer protective layer is inserted into the columnar area;
s3, attaching an upper anchor ear to the upper half part of the annular whole formed in the S2, attaching a lower anchor ear to the lower half part of the annular whole formed in the S2, penetrating a first fastening bolt from the upper anchor ear and locking by using a screw cap so that the upper anchor ear and the lower anchor ear support a first locking section, assembling a supporting plate at the bottom of the lower anchor ear, simultaneously assembling an embedded steel plate at the bottom of the supporting plate, assembling a concrete buttress at the bottom of the embedded steel plate, inserting an embedded steel pipe into the concrete buttress, and inserting the embedded steel pipe into the bottom of the concrete buttress without penetrating from the bottom surface of the concrete buttress;
s4, attaching an upper clamp to the upper half part of the outer protective layer, attaching a lower clamp to the lower half part of the outer protective layer, assembling a lower calcium silicate heat insulation block and an upper calcium silicate heat insulation block, installing the soft heat insulation layer into an annular area formed by the upper calcium silicate heat insulation block and the lower calcium silicate heat insulation block in the upper clamp and the lower clamp, and simultaneously enabling an inner thrust stop block to be installed on the upper clamp so as to prevent the upper calcium silicate heat insulation block from falling off from the upper clamp, installing the stop block on the lower clamp so as to prevent the lower calcium silicate heat insulation block from falling off from the lower clamp, and then enabling a rib plate to be installed on the lower clamp, enabling a bottom plate to be installed on the rib plate, and enabling a vertical plate to be installed on the bottom plate.
In general, the above technical solutions conceived by the present invention have the beneficial effects compared with the prior art including:
according to the prefabricated overhead heat-insulating pipe assembly and the installation method thereof, the working pipe can penetrate out of the fixed sleeve and is provided with the inner clamping gap, the inner clamping gap is filled with the lubricating material, when the working pipe penetrates out, the working pipe is relatively smooth compared with the working pipe which is directly contacted with the multi-layer heat-insulating layer, and the fixed sleeve is fixed relative to the multi-layer heat-insulating layer, so that the multi-layer heat-insulating layer cannot follow up when the working pipe penetrates out, the heat-insulating layer cannot be wrinkled or shortened, the multi-layer heat-insulating layer and the outer protective layer of the outermost layer can be further locked through the first locking section, the first locking section body is convenient to assemble and disassemble, the first locking section body is convenient to use, the outer protective layer can be further surrounded and supported through the second locking section, the multi-group heat-insulating layer and the fixed sleeve can be secondarily locked, the secondary supporting stability of the prefabricated overhead heat-insulating pipe can be further improved at one end or two ends.
Drawings
FIG. 1 is a schematic view of the structure of the present invention when a straight pipe section is combined with a first locking section and a pipe bracket support;
FIG. 2 is a cross-sectional view of a mid-section of a pipe carrier support of the present invention;
FIG. 3 is a cross-sectional view of two end portions of the pipe bracket support of the present invention;
FIG. 4 is a partial cross-sectional view of a first lock section of the tubeless support of the present invention;
FIG. 5 is an enlarged view of the invention at A of FIG. 4;
FIG. 6 is a schematic structural diagram of a sub-calcium silicate segment of the present invention.
FIG. 7 is a schematic view of the structure of four sub-calcium silicate segments of the present invention when they are mutually spliced to form a ring-mounted locking segment;
FIG. 8 is a front view of FIG. 7 in accordance with the present invention;
FIG. 9 is a cross-sectional view of the entirety of the pipe bracket support of the present invention taken at an angle;
FIG. 10 is a cross-sectional view of the second locking segment of the present invention taken entirely from an angle;
FIG. 11 is a cross-sectional view of the second locking section of the present invention taken generally from another angle;
FIG. 12 is a cross-sectional view of the calcium silicate insulation block of the present invention taken generally from an angle.
Like reference numerals denote like technical features throughout the drawings, in particular: 1. a straight pipe section; 11. a working tube; 12. fixing the sleeve; 13. a graphite lubrication layer; 14. a hard calcium silicate layer; 15. a soft heat-insulating material layer; 16. an outer protective layer; 2. a first locking section; 21. a sub-calcium silicate segment; 22. a clamping opening; 23. an arc ring plate; 24. a buckle; 3. a pipe bracket support; 31. an upper hoop; 32. a first fastening bolt; 33. a lower hoop; 34. a support plate; 35. embedding a steel plate; 36. embedding a steel pipe; 37. a concrete buttress; 4. a second locking section; 41. a clamping hoop is arranged; 42. a lower clamp; 43. a calcium silicate heat insulation block is arranged on the upper surface of the shell; 44. a lower calcium silicate insulation block; 45. a second fastening bolt; 46. a soft heat insulating layer; 47. an inner thrust block; 48. a stop block; 49. rib plates; 491. a bottom plate; 492. and a vertical plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprises," "comprising," and/or the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.
All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be construed to have meanings consistent with the context of the present specification and should not be construed in an idealized or overly formal manner.
In one embodiment, shown in FIGS. 1-12, a prefabricated overhead insulated pipe assembly is shown in FIG. 1, wherein FIG. 1 is a schematic view of the structure of a straight pipe section of the present invention in combination with a first locking section and a pipe bracket support; FIG. 2 is a cross-sectional view of a mid-section of a pipe carrier support of the present invention; FIG. 3 is a cross-sectional view of two end portions of the pipe bracket support of the present invention; FIG. 4 is a partial cross-sectional view of a first lock section of the tubeless support of the present invention; FIG. 5 is an enlarged view of the invention at A of FIG. 4; FIG. 6 is a schematic structural diagram of a sub-calcium silicate segment of the present invention. FIG. 7 is a schematic view of the structure of four sub-calcium silicate segments of the present invention when they are mutually spliced to form a ring-mounted locking segment; FIG. 8 is a front view of FIG. 7 in accordance with the present invention; FIG. 9 is a cross-sectional view of the entirety of the pipe bracket support of the present invention taken at an angle; FIG. 10 is a cross-sectional view of the second locking segment of the present invention taken entirely from an angle; FIG. 11 is a cross-sectional view of the second locking section of the present invention taken generally from another angle; FIG. 12 is a cross-sectional view of the calcium silicate insulation block of the present invention taken from an angle, comprising a straight pipe section 1 having a working pipe 11, the working pipe 11 being axially threaded with a retaining sleeve 12, the working pipe 11 being extendable out of the retaining sleeve 12 with an inter-clamp gap between the working pipe and the retaining sleeve 12; the fixed sleeve 12 is sequentially provided with a plurality of groups of heat preservation layers and an outer protective layer 16 from inside to outside along the radial direction; the first locking section 2 is detachably arranged on the outer protective layer 16 and is formed by splicing a plurality of sub-modules, and the plurality of sub-modules encircle to form an area through which the outer protective layer 16 can pass, and is used for locking the outer protective layer 16, the plurality of groups of heat preservation layers and the fixed sleeve 12 from outside to inside so as to prevent the plurality of groups of heat preservation layers from sliding along with the fixed sleeve 12 when the working tube 11 passes through the fixed sleeve 12; a pipe bracket supporting member 3 which is arranged on the first locking section 2 and is used for supporting the first locking section 2; and a second locking section 4, which is disposed on the outer sheath 16 and is located at one end or both ends of the pipe bracket supporting member 3, and is used for locking the outer sheath 16, the plurality of groups of heat insulation layers and the fixed sleeve 12 from outside to inside for the second time and supporting the outer sheath 16.
The invention is based on an integral thought that the working tube 11 can penetrate out of the fixed sleeve 12 and is provided with an inner clamping gap, lubricating materials are filled in the inner clamping gap, when the working tube 11 penetrates out, the working tube 11 is smoother than the working tube which is in direct contact with the multi-layer heat insulation layer, because the fixed sleeve 12 is fixed relative to the multi-layer heat insulation layer, when the working tube 11 penetrates out, the multi-layer heat insulation layer cannot follow up the heat insulation layer, and cannot be wrinkled or shortened, meanwhile, the multi-layer heat insulation layer and the outer protective layer 16 on the outermost layer can be further locked through the first locking section 2, the body of the first locking section 2 is convenient to assemble and disassemble, the use is convenient, meanwhile, the arranged pipe support supporting piece 3 can further surround and support the first locking section 2, the outer protective layer 16, the multi-group heat insulation layer and the fixed sleeve 12 can be secondarily locked, the outer protective layer 16 can be secondarily supported, and the prefabricated heat insulation stability of the prefabricated heat insulation tube can be secondarily supported at one end or two ends at the same time, and the prefabricated heat insulation stability of the prefabricated heat insulation tube can be further improved.
In some embodiments, in order to facilitate the sliding of the working tube 11 out of the fixed sleeve 12, a graphite lubrication layer 13 is disposed in an inter-clamping gap between the working tube 11 and the fixed sleeve 12, and the size of the graphite lubrication layer 13 is adapted to the size of the inter-clamping gap.
The following explanation will be given to further giving examples of the multi-layer insulation layer, of course, the insulation layer layout mode and layout materials can be laid according to practical use requirements, and the fixing sleeve 12 is sequentially provided with a hard calcium silicate layer 14 and a soft insulation material layer 15 from inside to outside along the radial direction.
It should be emphasized that, because the soft heat-insulating material layer 15 is located above the fixed sleeve 12, the heat-insulating property can be improved, and further demonstration examples for explaining the improvement of the heat-insulating property include that the soft heat-insulating material layer 15 can be made of aerogel nano, filament fiber, aluminum silicate needled blanket and high-temperature glass cotton, and of course, the outermost layer of the soft heat-insulating material layer 15 is made of a plurality of aluminum foil reflecting layers, and the aerogel nano, filament fiber, aluminum silicate needled blanket and high-temperature glass cotton are sequentially stacked, and the plurality of aluminum foil reflecting layers are located on the outermost layer;
the hard calcium silicate layer 14 is positioned below the fixed sleeve 12, so that the overall stability of the prefabricated overhead heat insulation pipe can be improved, and meanwhile, the heat insulation performance is improved to a small extent, more particularly, when the thickness of the hard calcium silicate layer 14 exceeds 100mm, the layers are layered, calcium silicate of different layers are arranged in a staggered manner, an adhesive layer is arranged between the layers, and the adhesive layer is YG-2 adhesive provided by Zhejiang Axwell building materials science and technology, inc., wherein the content of the calcium silicate is more than eighty five percent, and of course, the prefabricated overhead heat insulation pipe is an implementation mode of the specific implementation concept in the concept of the invention and is not limited to the implementation mode.
Next, the construction and composition of the first locking section 2 will be explained in one step, the submodule of the first locking section 2 is composed of a sub-calcium silicate section 21, two edges of one end of the sub-calcium silicate section 21 are respectively provided with a fastening opening 22, two edges of the other end of the sub-calcium silicate section 21 are respectively provided with a fastening 24, wherein a plurality of sub-calcium silicate sections 21 surround to form a columnar area through which the outer sheath 16 can pass, and the columnar area is used for locking the outer sheath 16, the soft heat-insulating material layer 15 and the hard calcium silicate layer 14 from outside to inside so as to prevent the soft heat-insulating material layer 15 and the hard calcium silicate layer 14 from sliding along with the fixed sleeve 12 when the working tube 11 passes out of the fixed sleeve 12, and when the fastening 24 is fastened into the fastening opening 22, the two sub-calcium silicate sections 21 are used for splicing.
Of course, more specifically, the sub-calcium silicate segments 21 are formed by the same four sub-calcium silicate segments, the four sub-calcium silicate segments 21 can be surrounded into an annular shape, and a columnar area is formed in the annular shape, and of course, the two sub-calcium silicate segments 21 are spliced by the way that the buckle 24 is clamped into the buckle opening 22, and the three sub-calcium silicate segments and the four sub-calcium silicate segments are spliced in the same process, so that redundant description is not needed;
it should be noted that, the manner in which the two sub-calcium silicate segments 21 are snapped into the snap openings 22 by the snaps 24 is only one embodiment of the split of the two sub-calcium silicate segments 21, which is not limited to this, and the two sub-calcium silicate segments 21 may be locked by bolts or the two sub-calcium silicate segments 21 may be split by rivets, which is not necessary to describe in detail in this embodiment.
In some embodiments, in order to further improve the strength of the sub-calcium silicate segment 21 during use, in order to prevent the sub-calcium silicate segment 21 from being damaged during collision or from being damaged or weathered during long-term use, the sub-calcium silicate segment 21 is detachably provided with an arc ring plate 23, and the size of the arc ring plate 23 is matched with the size of the sub-calcium silicate segment 21, which is a better implementation mode, the size of the arc ring plate 23 can be made according to the size of the sub-calcium silicate segment 21, and the main body part of the sub-calcium silicate segment 21 can be arranged, and the specific arrangement condition should be arranged according to the actual use requirement.
The specific construction and composition of the pipe support 3 will be explained in one step, but the pipe support 3 includes an upper hoop 31; the lower hoop 33 and the upper hoop 31 are provided with a first space for the first locking section 2 to integrally pass through; the first fastening bolt 32 is arranged in the lower anchor ear 33, one end of the first fastening bolt penetrates through the upper anchor ear 31, and is used for installing the upper anchor ear 31 and the lower anchor ear 33; a support plate 34 disposed at one end of the lower anchor ear 33; a pre-buried steel plate 35 arranged at the bottom of the support plate 34; a pre-buried steel pipe 36 detachably installed at the bottom surface of the pre-buried steel plate 35; and a concrete buttress 37 detachably connected to the pre-buried steel plate 35 and penetrated by the pre-buried steel pipe 36;
next, the principle of using the whole pipe support 3 will be further described, and when the inner circumferential surface of the upper hoop 31 is attached to the first locking section 2, the inner circumferential surface of the lower hoop 33 is attached to the first locking section 2, and the first fastening bolt 32 penetrates the upper hoop 31, so as to support the first locking section 2.
In order to further improve the stability of the concrete buttress 37 and the embedded steel plate 35 in use, the size of the embedded steel tube 36 is matched with the size of the embedded steel plate 35, the shape of the embedded steel tube 36 is illustrated by a column shape, the embedded steel tube 36 can be enabled to be higher in stability when inserted into the concrete buttress 37 through the size of the embedded steel tube 36 matched with the size of the embedded steel plate 35, the cross section of the embedded steel tube 36 is far smaller than the bottom area of the embedded steel plate 35, the side area of the embedded steel tube 36 when inserted into the concrete buttress 37 is reduced, the contact surface is reduced, the contact area between the side area and the embedded steel tube 36 is calculated to be high, the contact area between the embedded steel tube 36 and the concrete buttress 37 is increased, the stability of the embedded steel tube 36 is further improved, the cross section of the embedded steel tube 36 cannot exceed the bottom area of the embedded steel plate 35, the short side of the embedded steel tube 35 is the same as the diameter of the bottom surface of the embedded steel plate 35, when the embedded steel tube 36 is greatly connected with the bottom surface of the embedded steel plate 35, the concrete buttress 37 is enabled to be further improved, the stability of the embedded steel tube 36 can be improved, the side area is required to be further improved, the side area is required to be connected with the concrete buttress 37, and the bottom surface of the embedded steel tube 37 is required to be completely contacted with the concrete buttress 37, and the bottom surface of the embedded steel plate 37 is further improved, the side 37 is required to be contacted with the bottom surface of the embedded steel buttress 37, the concrete piers 37 are not penetrated out, but if the concrete piers 37 are penetrated out, the concrete piers 37 are lifted up, so that the overall stability of the concrete piers is reduced, and as a most preferable mode, a gap between the lowest position of the embedded steel pipes 36 and the lowest position of the concrete piers 37 is 3cm-7cm, and the effect of further locking and supporting the first locking section 2 is high.
The construction and composition of the second locking section 4 will be explained or illustrated below to aid in the overall concept of the invention, the second locking section 4 comprising an upper clip 41; a lower clip 42 having a second space with the upper clip 41 for the first locking section 2 to pass through integrally; the upper calcium silicate heat insulation block 43 is provided with notches at two tail ends; the lower calcium silicate heat insulation block 44 is uniformly provided with bulges at the two tail ends, and when the bulges are inserted into the notch, the bulges are used for splicing the bulges and the upper calcium silicate heat insulation block 43 into an annular whole body, and the annular whole body is provided with a through hole; a second fastening bolt 45 detachably inserted into the lower clip 42, and having one end penetrating through the upper clip 41, for positioning the upper clip 41 and the lower clip 42 in a split manner; the soft heat insulation layer 46 is detachably arranged in the through hole, the outer circumferential surface of the soft heat insulation layer 46 is attached to the inner circumferential surface of the upper calcium silicate heat insulation block 43, the outer circumferential surface of the soft heat insulation layer is attached to the inner circumferential surface of the lower calcium silicate heat insulation block 44, a through groove is formed in the soft heat insulation layer 46, the through groove can be penetrated by the outer protection layer 16, and the soft heat insulation material layer 15, the hard calcium silicate layer 14 and the fixed sleeve 12 are used for secondary locking from outside to inside; the rib plate 49 is detachably arranged at the bottom of the lower clamp 42, and the size of the rib plate is matched with that of the lower clamp 42; the bottom plate 491 is detachably arranged at the bottom of the rib plate 49, and the size of the bottom plate 491 is matched with the size of the rib plate 49; and a standing plate 492 detachably mounted on the base plate 491, and its size is adapted to the size of the base plate 491.
In particular use of the second locking segment 4, the upper clip 41 is attached to the upper half of the outer jacket 16, the lower clip 42 is attached to the lower half of the outer jacket 16, the lower calcium silicate insulation block 44 and the upper calcium silicate insulation block 43 are assembled, the soft insulation layer 46 is installed in the annular region formed by the upper calcium silicate insulation block 43 and the lower calcium silicate insulation block 44 in the upper clip 41 and the lower clip 42, the inner thrust block 47 is installed on the upper clip 41 to block the upper calcium silicate insulation block 43 from falling off the upper clip 41, the stop 48 is installed on the lower clip 42 to prevent the lower calcium silicate insulation block 44 from falling off the lower clip 42, and then the rib 49 is installed on the lower clip 42 such that the floor 491 is installed on the rib 49 such that the floor 492 is installed on the floor 491.
In some embodiments, to prevent the upper calcium silicate insulation block 43 from falling out of the upper clamp 41, the lower calcium silicate insulation block 44 from falling out of the lower clamp 42, the second locking section 4 further includes an inner thrust stop 47 removably mounted to the upper clamp 41 for preventing the upper calcium silicate insulation block 43 from falling out of the upper clamp 41; a stop 48 is removably mounted to the lower clamp 42 for preventing the lower calcium silicate insulation block 44 from falling out of the lower clamp 42.
Another technical problem to be solved by the invention is a method for installing a prefabricated overhead insulating pipe assembly,
s1, arranging a working tube 11 on a support tube, arranging the working tube 11 axially through a fixed sleeve 12, enabling the working tube 11 to pass through the fixed sleeve 12, filling a graphite lubricating layer 13 in a gap between the working tube 11 and the fixed sleeve, filling a soft heat-insulating material layer 15 in the upper half part of the fixed sleeve 12, filling a hard calcium silicate layer 14 in the lower half part of the fixed sleeve 12, and sleeving an outer protection layer 16 on the outer circumferential surfaces of the soft heat-insulating material layer 15 and the hard calcium silicate layer 14;
s2, every two sub-calcium silicate sections 21 are grouped, the buckle 24 of one sub-calcium silicate section 21 is inserted into the buckle opening 22 of the other sub-calcium silicate section 21, the two sub-calcium silicate sections 21 are attached, and the like until an annular whole is spliced, so that a columnar area is formed in the annular whole, and the outer protective layer 16 is inserted into the columnar area;
s3, attaching the upper anchor ear 31 to the upper half part of the annular whole formed in S2, attaching the lower anchor ear 33 to the lower half part of the annular whole formed in S2, penetrating the first fastening bolt 32 from the upper anchor ear 31 and locking by using a screw cap so that the upper anchor ear 31 and the lower anchor ear 33 support the first locking section 2, assembling the support plate 34 to the bottom of the lower anchor ear 33, simultaneously assembling the embedded steel plate 35 to the bottom of the support plate 34, assembling the concrete buttress 37 to the bottom of the embedded steel plate 35, inserting the embedded steel pipe 36 into the concrete buttress 37, and inserting the embedded steel pipe 36 to the bottom of the concrete buttress 37 without penetrating from the bottom surface of the concrete buttress 37;
s4, attaching the upper clamp 41 to the upper half part of the outer sheath 16, attaching the lower clamp 42 to the lower half part of the outer sheath 16, assembling the lower calcium silicate heat insulation block 44 and the upper calcium silicate heat insulation block 43, assembling the upper clamp 41 and the lower clamp 42, assembling the soft heat insulation layer 46 into the annular area formed by the upper calcium silicate heat insulation block 43 and the lower calcium silicate heat insulation block 44, assembling the inner thrust baffle 47 onto the upper clamp 41 to prevent the upper calcium silicate heat insulation block 43 from falling off from the upper clamp 41, assembling the baffle 48 onto the lower clamp 42 to prevent the lower calcium silicate heat insulation block 44 from falling off from the lower clamp 42, and then assembling the rib 49 onto the lower clamp 42, assembling the bottom plate 491 onto the rib 49, and assembling the vertical plate 492 onto the bottom plate 491.
In sum, can follow-up and have interior clamp clearance from fixed bolster 12 through the work pipe 11 that sets up, fill lubricating material in interior clamp clearance, when work pipe 11 wears out, for direct and multilayer heat preservation carries out comparatively smooth of direct contact, because fixed bolster 12 is fixed for the multilayer heat preservation, so when work pipe 11 wears out, can not make the multilayer heat preservation appear the heat preservation take place the follow-up, also can not make the heat preservation appear or fold or shorten, simultaneously through the first locking section 2 of laying, can carry out further locking to multilayer heat preservation and the outer sheath 16 of outermost, and first locking section 2 body dismouting is convenient, it is convenient to use, the pipe support supporter 3 of laying can carry out further encirclement and support to first locking section 2 simultaneously, can carry out secondary locking to outer sheath 16 through the second locking section 4 of setting, and make outer sheath 16 carry out secondary support, can carry out secondary support to the prefabricated heat preservation to the overhead pipe simultaneously at one end or both ends, stability also obtains further improvement.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A method of installing a prefabricated overhead insulating tube assembly, wherein the prefabricated overhead insulating tube assembly comprises:
the straight pipe section (1) is provided with a working pipe (11), a fixed sleeve (12) is penetrated in the axial direction of the working pipe (11), the working pipe (11) can penetrate out of the fixed sleeve (12) and an inner clamping gap is reserved between the working pipe and the fixed sleeve (12);
the fixed sleeve (12) is sequentially provided with a plurality of groups of heat preservation layers and an outer protection layer (16) from inside to outside along the radial direction;
the first locking section (2) is detachably arranged on the outer protective layer (16) and is formed by splicing a plurality of sub-modules, and the plurality of sub-modules encircle to form an area through which the outer protective layer (16) can pass, and is used for locking the outer protective layer (16), the plurality of groups of heat preservation layers and the fixed sleeve (12) from outside to inside so as to prevent the plurality of groups of heat preservation layers from sliding along with the fixed sleeve (12) when the working tube (11) passes through the fixed sleeve (12);
a pipe bracket support (3) which is arranged on the first locking section (2) and is used for supporting the first locking section (2); and
the second locking section (4) is arranged on the outer protective layer (16) and is positioned at one end or two ends of the pipe bracket supporting piece (3) and is used for carrying out secondary locking on the outer protective layer (16), the plurality of groups of heat preservation layers and the fixed sleeve (12) from outside to inside and supporting the outer protective layer (16);
a graphite lubrication layer (13) is arranged in an inner clamping gap between the working tube (11) and the fixed sleeve (12), and the size of the graphite lubrication layer (13) is matched with the size of the inner clamping gap;
the fixed sleeve (12) is sequentially provided with a hard calcium silicate layer (14) and a soft heat-insulating material layer (15) from inside to outside along the radial direction;
the submodule of the first locking section (2) is composed of a sub-calcium silicate section (21), two edges of one end of the sub-calcium silicate section (21) are provided with buckling openings (22), two edges of the other end of the sub-calcium silicate section (21) are uniformly provided with buckling openings (24), wherein a plurality of sub-calcium silicate sections (21) are surrounded to form a columnar area through which an outer protective layer (16) can pass, and the columnar area is used for locking the outer protective layer (16), the soft heat-insulating material layer (15) and the hard calcium silicate layer (14) from outside to inside so as to prevent the soft heat-insulating material layer (15) and the hard calcium silicate layer (14) from sliding along with the fixed sleeve (12) when the buckling openings (22) are buckled by the buckling openings (24) and are used for splicing the two sub-calcium silicate sections (21);
an arc ring plate (23) is detachably arranged on the sub-calcium silicate section (21), and the size of the arc ring plate (23) is matched with the size of the sub-calcium silicate section (21);
the pipe support (3) comprises
An upper hoop (31);
the lower hoop (33) and the upper hoop (31) are provided with a first space for the first locking section (2) to integrally pass through;
the first fastening bolt (32) is arranged in the lower anchor ear (33), one end of the first fastening bolt penetrates through the upper anchor ear (31) and is used for installing the upper anchor ear (31) and the lower anchor ear (33);
a support plate (34) arranged at one end of the lower anchor ear (33);
a pre-buried steel plate (35) arranged at the bottom of the support plate (34);
the embedded steel pipe (36) is detachably arranged on the bottom surface of the embedded steel plate (35); and
the concrete buttress (37) is detachably connected to the embedded steel plate (35) and is penetrated by the embedded steel pipe (36);
when the inner circumferential surface of the upper hoop (31) is attached to the first locking section (2), the inner circumferential surface of the lower hoop (33) is attached to the first locking section (2), and the first fastening bolt (32) penetrates through the upper hoop (31) and is used for supporting the first locking section (2);
the size of the embedded steel pipe (36) is matched with the size of the embedded steel plate (35), the embedded steel pipe (36) penetrates to the bottom of the concrete buttress (37) and the embedded steel pipe (36) does not penetrate out of the bottom surface of the concrete buttress (37);
the second locking section (4) comprises
An upper clip (41);
the lower clamp (42) and the upper clamp (41) are provided with a second space for the first locking section (2) to integrally pass through;
the upper calcium silicate heat insulation block (43) is provided with notches at the two tail ends;
the lower calcium silicate heat insulation block (44) is uniformly provided with bulges at the two tail ends, when the bulges are inserted into the notch, the bulges are used for splicing the bulges and the upper calcium silicate heat insulation block (43) into an annular whole, and the annular whole is provided with a through hole;
the second fastening bolt (45) is detachably inserted into the lower clamp (42), one end of the second fastening bolt can pass through the upper clamp (41) and is used for splicing and positioning the upper clamp (41) and the lower clamp (42);
the soft heat insulation layer (46) is detachably arranged in the through hole, the outer circumferential surface of the soft heat insulation layer is attached to the inner circumferential surface of the upper calcium silicate heat insulation block (43), the outer circumferential surface of the soft heat insulation layer is attached to the inner circumferential surface of the lower calcium silicate heat insulation block (44), a through groove is formed in the soft heat insulation layer, the through groove can be used for enabling the outer protection layer (16) to pass through, and the soft heat insulation material layer (15), the hard calcium silicate layer (14) and the fixed sleeve (12) are locked for the second time from outside to inside;
the rib plate (49) is detachably arranged at the bottom of the lower clamp (42) and the size of the rib plate is matched with that of the lower clamp (42);
the bottom plate (491) is detachably arranged at the bottom of the rib plate (49), and the size of the bottom plate is matched with that of the rib plate (49); and
a vertical plate (492) detachably mounted on the bottom plate (491), and the size of the vertical plate is matched with that of the bottom plate (491);
the second locking section (4) further comprises
An inner thrust block (47) detachably mounted on the upper clip (41) for preventing the upper calcium silicate insulation block (43) from falling off from the upper clip (41);
a stopper (48) detachably mounted to the lower clip (42) for preventing the lower calcium silicate insulation block (44) from falling out of the lower clip (42);
the method is characterized by comprising the following steps:
s1, arranging a working tube (11) on a support tube, penetrating the working tube (11) along the axial direction of the working tube through a fixed sleeve (12), filling a graphite lubricating layer (13) in a gap between the working tube and the fixed sleeve, filling a soft heat-insulating material layer (15) on the upper half part of the fixed sleeve (12), filling a hard calcium silicate layer (14) on the lower half part of the fixed sleeve (12), and sleeving an outer protection layer (16) on the outer circumferential surfaces of the soft heat-insulating material layer (15) and the hard calcium silicate layer (14);
s2, every two sub-calcium silicate sections (21) are combined into a group, a buckle (24) of one sub-calcium silicate section (21) is inserted into a buckle opening (22) of the other sub-calcium silicate section (21), the two sub-calcium silicate sections (21) are attached, and the like until an annular whole is spliced, so that a columnar area is formed in the annular whole, and an outer protective layer (16) is inserted into the columnar area;
s3, attaching the upper anchor ear (31) to the upper half part of the annular whole formed in the S2, attaching the lower anchor ear (33) to the lower half part of the annular whole formed in the S2, penetrating the first fastening bolt (32) from the upper anchor ear (31) and locking by using a screw cap, so that the upper anchor ear (31) and the lower anchor ear (33) support the first locking section (2), assembling the supporting plate (34) at the bottom of the lower anchor ear (33), simultaneously assembling the embedded steel plate (35) at the bottom of the supporting plate (34), assembling the concrete buttress (37) at the bottom of the embedded steel plate (35), and inserting the embedded steel pipe (36) into the concrete buttress (37), wherein the embedded steel pipe (36) is inserted into the bottom of the concrete buttress (37) and does not penetrate from the bottom of the concrete buttress (37);
s4, attaching an upper clamp (41) to the upper half part of the outer protective layer (16), attaching a lower clamp (42) to the lower half part of the outer protective layer (16), assembling a lower calcium silicate heat insulation block (44) and an upper calcium silicate heat insulation block (43), installing in the upper clamp (41) and the lower clamp (42), installing a soft heat insulation layer (46) in an annular area formed by the upper calcium silicate heat insulation block (43) and the lower calcium silicate heat insulation block (44), simultaneously enabling an inner thrust stop (47) to be installed on the upper clamp (41) so as to stop the upper calcium silicate heat insulation block (43) from falling off from the upper clamp (41), installing a stop (48) to the lower clamp (42) so as to prevent the lower calcium silicate heat insulation block (44) from falling off from the lower clamp (42), and then enabling a rib plate (49) to be installed on the lower clamp (42), enabling a bottom plate (491) to be installed on the rib plate (49), and enabling a vertical plate (492) to be installed on the bottom plate (491).
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| CN202310677643.9A CN116398749B (en) | 2023-06-09 | 2023-06-09 | Prefabricated overhead heat-insulating pipe assembly and installation method thereof |
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| CN116398749A (en) | 2023-07-07 |
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