CN210240926U - Exposed laying medium pipeline with electric tracing band - Google Patents
Exposed laying medium pipeline with electric tracing band Download PDFInfo
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- CN210240926U CN210240926U CN201920704787.8U CN201920704787U CN210240926U CN 210240926 U CN210240926 U CN 210240926U CN 201920704787 U CN201920704787 U CN 201920704787U CN 210240926 U CN210240926 U CN 210240926U
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Abstract
The utility model provides an obviously apply and establish medium pipeline with electric tracing area is suitable for to apply and establishes in the area below cold freezing point, belongs to the heat preservation adiabatic engineering technical field of industry pipeline, civilian pipeline (or equipment), should obviously apply and establish heating structure, heat energy deposit conducting layer, heat energy secondary feedback layer and the heat insulation structure that medium pipeline includes that an at least medium pipeline and this medium pipeline periphery set gradually from inside to outside, heating structure is for arranging the electric tracing area on medium pipeline. The utility model discloses obviously lay medium pipeline and adopt multilayer structure design and with the technology of layer staggered joint, interlayer pressure joint and lay the mode, solve the sealed problem in electric tracing area, utilize the technical handling mode on heat energy saving conducting layer and heat energy secondary feedback layer to increase substantially the thermal efficiency in electric tracing area simultaneously, reduce the energy consumption.
Description
Technical Field
The utility model belongs to the technical field of the thermal insulation engineering of industrial pipeline, civilian pipeline (or equipment), concretely relates to apply obviously and establish medium pipeline with electric tracing band.
Background
At present, aiming at areas below a cold and humid freezing point, industrial and civil medium pipelines (or equipment) laid on the ground or in an underground pipe gallery, in particular to industrial and civil medium pipelines for large-size and long-distance transportation, in order to prevent the medium pipelines from freezing, a heat source pipeline heat tracing implementation mode is usually adopted, steam or hot water is used as an external heat supply source in the mode, namely, heat dissipated by a heat tracing pipe compensates heat dissipation loss of the medium working pipeline (or equipment), and the heat tracing pipe and the medium pipeline (or equipment) are wrapped in a heat insulation layer together by using heat insulation materials. The traditional steam or hot water type heat tracing anti-freezing measure needs a large amount of heat source supply, has large energy consumption, is complex in matching system, has large workload of installation and maintenance, and is inconvenient to manage. In recent years, with the advent of electric tracing band technology, electric tracing can effectively utilize energy, convert electric energy into heat energy and effectively control temperature, so as to achieve the purposes of heating, heat preservation and freeze prevention, and a common pipeline electric tracing laying mode is shown in fig. 1.
The conventional electric tracing band is usually arranged between a medium pipeline and an insulating layer, the heat conduction coefficient of the insulating material is low, the heat of the contact surface of the electric tracing band and the insulating layer and the reactive heat formed at the periphery are accumulated at the position, the heat can not be effectively transferred to the medium pipeline, the heat energy waste and loss (almost 50% of heat loss) are caused, and meanwhile, the service life of the electric tracing band is reduced due to the local concentration of the heat on the contact surface.
At present, research attempts are made to penetrate a plurality of electric tracing bands into a PVC insulating pipe or a metal conduit respectively to serve as a heating accompanying pipe and a medium pipeline to be laid in parallel, but the PVC pipe or the metal conduit cannot be wound on the medium pipeline according to a preset mode (the power of the electric tracing bands is limited, the heat productivity of the parallel laying is limited, and the heat transfer efficiency is too low), so that the medium pipeline (or equipment) cannot obtain enough and uniform heat, the heat conductivity of the PVC pipe is low, and gaps exist between the PVC pipe and the position space of the electric tracing bands, so that the limited heat produced by the electric tracing bands cannot be uniformly and effectively released and efficiently to be transferred to the medium pipeline (or equipment); in addition, the sealing treatment of the joint of the PVC pipe or the metal conduit is difficult, so that the mode can cause large energy consumption of the electric tracing band, low thermal efficiency and difficult construction, and is not suitable for popularization and use.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages, the present invention provides a medium pipeline with electric tracing band.
The utility model discloses the technical scheme who adopts does:
the utility model provides an obviously lay medium pipeline with electric tracing area, is suitable for to lay in the area below cold freezing point, includes that at least one medium pipeline and this medium pipeline periphery set gradually heating structure, heat energy storage conducting layer, heat energy secondary feedback layer and heat preservation adiabatic structure from inside to outside, heating structure is the electric tracing area of arranging on the medium pipeline, and the heat preservation adiabatic structure is double-deck composite construction, includes the heat preservation that has the heat preservation function and has waterproof reinforcement function that set gradually from inside to outside.
In the exposed medium pipeline provided with the electric tracing band, the heat energy storage and conduction layer is made of a metal wire mesh and is laid on the periphery of the electric tracing band and the medium pipeline to form a porous flocculent layer.
In the exposed medium pipeline provided with the electric tracing band, the heat energy storage and conduction layer is a mesh formed by any one or combination of a plurality of iron wire meshes, aluminum wire meshes, copper wire meshes and stainless steel wire meshes, the mesh and a material in contact with the mesh do not generate electrochemical reaction, and the width of the mesh is 100-150 mm.
In the exposed medium pipeline provided with the electric tracing band, the heat energy storage and conduction layer is a coiled net sheet, at least two layers are arranged, and the coiled net sheet is spirally wound on the peripheries of the electric tracing band and the medium pipeline in a half-laminating method.
In the exposed medium pipeline provided with the electric tracing band, the heat energy secondary feedback layer comprises a metal thin strip covering the periphery of the heat energy storage and conduction layer, and the metal thin strip is a heat energy feedback sheet made of a coiled plate formed by one of an aluminum foil, a polished stainless steel sheet and an electroplating sheet.
In the exposed medium pipeline provided with the electric tracing band, the heat energy feedback sheet of the heat energy secondary feedback layer is an integral type rolling plate, the rolling plate is wrapped on the periphery of the heat energy storage and conduction layer, and the edge of the closed part is laminated and fixed; or the heat energy feedback sheet of the heat energy secondary feedback layer is of a double-winding plate structure, the two winding plates are combined into a cylinder shape and wrapped on the periphery of the heat energy storage and conduction layer, and the two edges are laminated and fixed.
In the exposed medium pipeline provided with the electric tracing band, the heat insulation layer is made of a waterproof rock wool pipe, a rock wool pipe shell or a polyurethane foaming band, and the protective layer is a protective layer made of metal or plastic, a plastering protective layer or a combination of one or more of felts, foils and cloth protective layers.
In the exposed medium pipeline provided with the electric tracing band, the protective layer is wound on the heat insulation layer in a laminating mode, and the overlapping part is one third to one half of the width of the protective layer.
In the exposed medium pipeline provided with the electric tracing band, the electric tracing band is laid on the medium pipeline in a spiral mode, namely, a single electric tracing band is spirally wound on the medium pipeline in a unidirectional mode; or a single electric tracing band is oppositely spirally wound on the medium pipeline; or the two electric tracing bands are spirally wound on the medium pipeline in the same direction in a crossed manner.
In the exposed medium pipeline provided with the electric tracing bands, a plurality of electric tracing bands are laid on the peripheral outer wall of the medium pipeline (01) in parallel.
The utility model has the advantages that: the utility model discloses the process that the medium pipeline was established to the bright laying that is equipped with electric tracing band adopts multilayer structure design and with layer staggered joint, interlayer pressure joint lays the mode, solves the sealed problem of electric tracing band, utilizes the technical handling mode on heat energy deposit conducting layer and heat energy secondary feedback layer to increase substantially electric tracing band's thermal efficiency simultaneously, reduces the energy consumption.
Drawings
FIG. 1 is a schematic layout of a prior art electric trace heating antifreeze pipeline;
FIG. 2 is a schematic structural view of an embodiment of the present invention illustrating laying of a medium pipeline;
FIG. 3 is a structural example of an electric tracing band;
FIG. 4A is a schematic view of a first electrical tracing band laying mode;
FIG. 4B is a schematic view of a second electrical tracing band laying mode;
FIG. 4C is a schematic view of a third electrical tracing band laying mode;
fig. 4D is a schematic view of a fourth electrical tracing band laying method.
The reference numbers in the figures denote:
01-a media conduit; 02-electric tracing band; 03-insulating layer; 04-binding tapes;
1-a heating structure; 2-a thermal energy storage and conduction layer; 3-heat energy secondary feedback layer; 4-heat preservation and insulation structure, 41-heat preservation layer and 42-protective layer.
Detailed Description
In order to solve the current electric tracing area that has the electric tracing area to obviously apply and establish the energy consumption of medium pipeline existence big, the thermal efficiency is low, defects such as construction inconvenience, the utility model provides an obviously apply and establish medium pipeline with electric tracing area, this obviously apply and establish medium pipeline be multilayer structure, heating structure including setting gradually from inside to outside, heat energy deposit conducting layer, heat energy secondary feedback layer and heat insulation structure, adopt multilayer structure design and with the layer fissure of displacement, the mode of laying of interlayer pressure seam, utilize heat energy deposit conducting layer to solve electric tracing area heat and concentrate, the problem of low service life, the thermal efficiency of electric tracing area is increased substantially to the thermal feedback technique, reduce the energy consumption to further enlarge electric tracing area's range of application and medium pipeline's diameter specification.
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
Fig. 2 is a structural example of the laying medium pipe of the present invention. As shown in fig. 2, the exposed medium pipeline adopts an electric tracing band active heating thermal insulation technology to achieve the purpose of freeze prevention and thermal insulation, and can be applied to the area below the cold and humid freezing point, in this embodiment, the technical measure of the medium pipeline is a multilayer structure, which includes a heating structure 1, a heat energy storage and conduction layer 2, a heat energy secondary feedback layer 3, and a thermal insulation and thermal insulation structure 4, which are arranged in sequence from inside to outside, wherein:
the heating structure 1 comprises an electric tracing band 02 arranged on a medium pipeline 01, as shown in fig. 3, the electric tracing band is a flat band with a multi-layer structure and a flat cross section, compared with a traditional tubular structure which is laid in parallel after the pipe is penetrated, the flat structure can increase the heat conduction effect, the heat tracing efficiency is high, the laying mode is flexible, the plane of the electric tracing band can be tightly adhered to the surface of the medium pipeline according to a preset winding mode, the space is saved, and the heat generation is uniform. The utility model discloses an outsourcing's electric tracing area, its lectotype can be confirmed according to the application scenario, can be automatic control temperature electric tracing area or constant power electric tracing area. The heat emitted by the electric tracing band 02 compensates the heat dissipated in the medium conveying process of the medium pipeline 01 so as to maintain the temperature of the medium within a certain range, and the purposes of heat preservation and freeze prevention are achieved. The electric tracing band 02 can be laid in parallel by a plurality of electric tracing bands (see fig. 4A), and is uniformly arranged on the peripheral outer wall of the medium pipeline 01, and the method is suitable for long-distance and large-diameter medium pipelines or hard electric tracing bands to ensure uniform heat dissipation; or wound in a spiral fashion around the media tube 01. The electric tracing band 02 is laid on the medium pipeline 01 in a spiral mode, and the length of the electric tracing band 02 laid on the medium pipeline 01 with unit length is determined by the heating power of the electric tracing band 02, the ambient environment conditions and the performance of the medium pipeline 01 (for example, the underground soil temperature in different regions has great difference, and the heating power of the electric tracing band and the winding mode of the electric tracing band are influenced by different materials and pipe wall thickness of the transmission medium pipeline and different transmission media). The laying mode can be the following modes: as shown in fig. 4B, a single electric tracing band 02 is spirally wound on the medium pipe 01 in a unidirectional manner; as shown in fig. 4C, a single electric tracing band 02 is oppositely spirally wound on the medium pipe 01, that is, both ends of the electric tracing band 02 are fixed first, the middle section (with a predetermined length) of the electric tracing band 02 is spirally wound on the medium pipe 01, and finally the end of the middle section is fixed; as shown in fig. 4D, the double electric tracing bands 02 are spirally wound on the medium pipe 01 in the same direction in a crossed manner.
The conventional electric tracing band is usually arranged between the medium pipeline 01 and the insulating layer, the heat conduction coefficient of the insulating material is generally very low, the heat of the surface of the electric tracing band 02 contacting with the insulating layer and the periphery form reactive heat and are gathered at the surface, the heat can not be effectively transferred to the medium pipeline 01, the waste and the loss of the heat (almost 50 percent of heat loss) are caused, and the service life of the electric tracing band 02 is reduced due to the local concentration of the heat at the contact surface.
In order to solve the problem, the utility model discloses in, heat energy deposit conducting layer 2 is used for collecting the face and the peripheral idle heat that storage electric power storage tracing band does not contact with medium pipeline 01, through absorption, storage, release to heat-conducting mode is fed back the heat to medium pipeline 01 for the first time. The heat energy storage and conduction layer 2 can be made of a metal wire mesh with high heat conduction performance, a porous flocculent layer is formed after the electric tracing band 02 and the medium pipeline 01 are laid and wrapped, and the layer can uniformly release heat generated on the surface of the electric tracing band 02 not in contact with the medium pipeline 01 on one hand, so that the phenomenon that the local temperature of the electric tracing band 02 is too high due to too local concentration and the service life of the electric tracing band 02 is reduced is avoided; on the other hand, the reactive heat generated by the electric tracing band can be absorbed and stored, and is uniformly released and fed back to the medium pipeline 01, so that the heat efficiency of the electric tracing band 02 is improved, and the medium pipeline 01 is maintained in a temperature range above the freezing point.
According to the material of the pipeline, the heat energy storage and transmission layer 2 is a mesh formed by any one or a combination of a plurality of wire meshes, aluminum wire meshes, copper wire meshes and stainless steel wire meshes, the wire meshes and the stainless steel wire meshes are preferably selected in consideration of cost, but the stainless steel wire meshes and materials in contact with the stainless steel wire meshes cannot generate electrochemical reaction. The heat energy storage and conduction layer 2 can be made into a roll-shaped mesh sheet and laid on the periphery of the electric tracing band 02 in a spiral winding mode, a half-lamination method is adopted during winding, the number of the mesh sheets can be determined according to the pipeline specification and application occasions, generally at least two layers are adopted, and the mesh sheet width of the heat energy storage and conduction layer 2 is preferably 100mm-150 mm. The fixing mode of the tail part of the silk screen can adopt hoop clamps or metal wires which are the same as the materials of the silk screen or non-metal binding bands with heat resistance to fix, and the materials can not generate electrochemical reaction with the materials at the joint part.
The heat energy secondary feedback layer 3 is a metal thin strip (heat energy feedback sheet) covering the periphery of the heat energy storage and conduction layer 2, and is used for uniformly wrapping and fixing the electric tracing band 02 and the heat energy storage and conduction layer 2 on a medium pipeline (or equipment), and simultaneously, the metal thin strip feeds back the heat released by the heat energy storage and conduction layer 2 to the medium pipeline again in a heat conduction and heat radiation mode, at the moment, the heat of the side, which is not contacted with the medium pipeline 01, of the electric tracing band 02 and the peripheral reactive heat almost completely act on the medium pipeline 01 through the combined action of the heat energy storage and conduction layer 2 and the heat energy secondary feedback layer 3, so that the heat efficiency is greatly improved, and the energy consumption is reduced.
The heat energy secondary feedback layer 3 is laid and fixed reasonably on the heat energy storage and conduction layer 2, and can be made of a coiled plate formed by one of an aluminum foil, a polished stainless steel sheet and an electroplating plate sheet according to the specification and application of the medium pipeline 01 and the mesh material of the heat energy storage and conduction layer 2.
The heat energy feedback sheet of the heat energy secondary feedback layer 3 can be an integral type coil plate which is wrapped on the periphery of the heat energy storage and conduction layer 2 and folds and fixes the edge of the closed part of the coil plate; or the heat energy feedback sheet is of a double-winding plate structure, the two winding plates are combined into a cylinder shape and wrapped on the periphery of the heat energy storage and conduction layer 2, and the two edges are laminated and fixed; preferably, the heat energy feedback sheet is a coiled sheet with the width of 100mm-150mm, and is spirally wound on the periphery of the heat energy storage and conduction layer 2, and a half-lap-pressing type is adopted during winding, so that firm winding is ensured. The head and tail fixing mode can adopt hoop clamps or metal wires or non-metal binding bands with heat resistance which are the same as those of the secondary feedback layer, and the materials cannot generate electrochemical reaction with the materials at the joint.
In order to prevent the heat generated by the electric tracing band from being dissipated to the external ambient environment, a heat insulation structure is required. In the utility model, the heat-insulating structure 4 is a double-layer composite structure, which comprises a heat-insulating layer 41 and a protective layer 42 that are arranged from inside to outside in sequence, the heat-insulating layer 41 not only prevents the heat generated by electric tracing from being dissipated to the external surrounding environment, but also has a certain heat-insulating function, and can be used for reducing the heat input of the external environment when the electric tracing band is not used in hot weather; the heat insulation structure 4 should have certain intensity, should not receive dead weight or accidental exogenic action and destroy, should take the reinforcement measure, for this purpose, the utility model discloses set up protective layer 42 in the outside of heat preservation 41.
The material, thickness and structure of the heat-insulating structure 4 should be determined according to the application requirements (including the medium heat-insulating requirement and performance requirement and the material performance of the medium pipeline, etc.) and the power of the electric tracing band 02, and the heat-insulating structure 4 should be divided into multi-layer construction, for example, the utility model discloses divide into 1-2 layers and carry out the construction. According to actual measurement, the heat loss caused by gap radiation and convection is several times to dozens of times of that of a good heat-insulating position, so that during construction, the heat-insulating structure 4 is laid by adopting the modes of inlaying at the same layer, staggered joint in multiple layers and laminating joint between the inner layer and the outer layer.
In one embodiment, the heat-insulating layer 41 can be made of a waterproof rock wool pipe, a rock wool pipe shell or a polyurethane foam tape, the waterproof rock wool pipe or the rock wool pipe shell has the properties of moisture resistance, heat preservation, heat insulation, cold insulation and the like, has certain chemical stability, can not be deliquesced even if being used for a long time under a humid condition, is a non-combustible material, has no corrosion effect on equipment, and is particularly suitable for the requirements of the application occasions of the utility model; the protective layer 42 can protect the heat insulating structure 4 from damage and prevent moisture from entering, and the protective layer material is required to have the advantages of water resistance, fire resistance, good chemical properties, etc., and may be one or a combination of more of a protective layer made of metal or plastic (such as a PVC pipe shell or a glass fiber reinforced plastic sheet), a finishing protective layer, or a mat, foil, or cloth protective layer. The protective layer 42 is preferably constructed by winding, wherein the winding is carried out by a lamination method, the overlapping part is generally one third to one half of the width of the protective layer 42, the insulating layer 41 is tightly wrapped during winding, the phenomena of loosening, flanging, creasing and bubbling are not allowed, and the initial end and the tail end are firmly tied by iron wires. For example, when a asbestos cement protective layer is coated, it should be applied on the surface of the rough insulation layer 41 to improve the adhesion between the two materials.
The utility model discloses the open laying that has above-mentioned structure establishes medium pipeline and adopts the electric tracing area initiative heating mode to carry out freeze proof adiabatic processing, is applicable to long-term operation and lays in the open laying of cold moist below freezing point area and establishes the pipeline. The medium pipeline 01 is provided with a heating structure 1 formed by reasonably laying an electric tracing band 02 on the periphery of the pipeline; porous meshes of a heat energy storage and transmission layer 2 are laid on the peripheries of the electric tracing band 02 and the medium pipeline 01, the idle heat on the outer side surface (the side surface which is not contacted with the medium pipeline) of the electric tracing band 02 and the periphery of the electric tracing band 02 is collected, stored and uniformly released, and the collected heat is fed back to the medium pipeline 01 in a heat conduction mode; the metal thin strip of the heat energy secondary feedback layer 3 is laid on the periphery of the heat energy storage and conduction layer 2, the electric tracing band 02 and the net piece of the heat energy storage and conduction layer 2 are wrapped and fixed on the medium pipeline 01, and heat released by the heat energy storage and conduction layer 2 is fed back to the medium pipeline 01 again in a heat conduction and heat radiation mode by the metal thin strip, so that the heat efficiency of the electric tracing band 02 is improved, and the energy consumption is reduced; the heat-insulating structure 4 is positioned at the outermost layer and has heat-insulating functions of heating, heat preservation and freezing prevention in cold seasons. The utility model discloses obviously applying and establishing medium pipeline application comprehensive design principle with frost resistant dampproofing effect, adopt multilayer structure design and inlay with the layer, multilayer fissure of displacement, the mode of laying of interlayer pressure seam, solve electric tracing area 02 electrical insulation and sealed problem, the soaking and the heat feedback technique that utilize heat energy saving conducting layer 2 and heat energy secondary feedback layer 3 simultaneously increase substantially the thermal efficiency in electric tracing area, reduce the energy consumption, and further enlarge electric tracing area's range of application and medium pipeline's diameter specification.
The manufacturing method of the exposed laying medium pipeline with the electric tracing band comprises the following steps:
firstly, preparing, namely, the medium pipeline is qualified in welding seam, pressure test and air tightness test, and the measures of derusting, painting and corrosion prevention are finished, and the outer surface of the medium pipeline is kept clean and dry;
and step two, sequentially laying a heating structure 1, a heat energy storage and conduction layer 2, a heat energy secondary feedback layer 3 and a heat insulation structure 4 on the periphery of the medium pipeline 01 from inside to outside.
In the second step, the concrete steps include:
in step S1, an electric tracing band 02 is laid on the outer circumference of the medium pipe 01 as the heating structure 1.
Preferably, the electric tracing band 02 is spirally laid on the outer circumference of the medium pipe 01, i.e., the single electric tracing band 02 is spirally wound on the medium pipe 01 in a unidirectional manner (see fig. 4B); or a single electric tracing band 02 is oppositely spirally wound on the medium pipe 01 (see fig. 4C); or two electric tracing bands 02 are spirally wound on the medium pipe 01 in the same direction in a crossed manner (see fig. 4D).
In step S2, the thermal energy storage conductive layer 2 is laid on the outer circumference of the medium pipe 01 and the electric tracing band 02.
Specifically, the heat energy storage and transmission layer 2 is a coiled mesh formed by any one or a combination of a plurality of iron wire meshes, aluminum wire meshes, copper wire meshes and stainless steel wire meshes, is laid on the periphery of the electric tracing band 02 in a spiral winding manner, and adopts a half-lamination method during winding.
In step S3, the heat energy secondary feedback layer 3 includes a heat energy feedback sheet covering the periphery of the heat energy storage and conduction layer 2, and the electric tracing band 02 and the heat energy storage and conduction layer 2 are uniformly wrapped and fixed on the medium pipe (or equipment).
Specifically, the heat energy feedback sheet of the heat energy secondary feedback layer 3 is made of a rolling plate formed by one of an aluminum foil sheet, a polished stainless steel sheet and an electroplating sheet; the heat energy feedback sheet of the heat energy secondary feedback layer 3 is an integral type rolling plate, and the rolling plate wraps the periphery of the heat energy storage and conduction layer 2 to overlap and fix the edge of the closed part of the rolling plate; or the heat energy feedback sheet is of a double-winding plate structure, the two winding plates are combined into a cylinder shape and wrapped on the periphery of the heat energy storage and conduction layer 2, and the two edges are laminated and fixed; preferably, the heat energy feedback sheet is a coiled sheet with the width of 100mm-150mm, and is spirally wound on the periphery of the heat energy storage and transmission layer 2, and a half-lap pressure type is adopted during winding.
Step S4, the heat insulating structure 4 is laid on the outer periphery of the heat energy secondary feedback layer 3.
Specifically, the heat-insulating structure 4 is a double-layer composite structure and comprises a heat-insulating layer 41 and a protective layer 42 which are sequentially arranged from inside to outside, and the heat-insulating structure 4 is laid by adopting a staggered joint and inner and outer layer seam pressing mode on the same layer.
It will be understood by those skilled in the art that these examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention, and that various equivalent modifications and adaptations of the invention are intended to fall within the scope of the invention disclosed herein.
Claims (10)
1. The utility model provides an obviously lay medium pipeline with electric tracing area, is suitable for to lay in the area below cold freezing point, its characterized in that, includes at least one medium pipeline (01) and this medium pipeline periphery heating structure (1), heat energy storage conducting layer (2), heat energy secondary feedback layer (3) and heat preservation adiabatic structure (4) that set gradually from inside to outside, heating structure (1) is electric tracing area (02) of arranging on medium pipeline (01), and heat preservation adiabatic structure (4) are double-deck composite construction, include heat preservation (41) and protective layer (42) that have waterproof reinforcement function that set gradually from inside to outside.
2. The exposed medium pipeline with the electric tracing band is characterized in that the heat energy storage and conduction layer (2) is made of a metal wire mesh and is laid on the peripheries of the electric tracing band (02) and the medium pipeline (01) to form a porous flocculent layer.
3. An exposed laying medium pipe provided with electric tracing band according to claim 2, wherein said heat energy storing and conducting layer (2) is a mesh formed by any one or more of wire mesh, aluminum wire mesh, copper wire mesh, stainless wire mesh, and the mesh and the material contacting with the mesh do not have electrochemical reaction, and the mesh width is 100mm-150 mm.
4. An exposed laying medium pipe provided with an electric tracing band according to claim 2, wherein said thermal energy storing and conducting layer (2) is a rolled mesh, at least two layers are provided, and it is spirally wound around the outer circumference of the electric tracing band (02) and the medium pipe (01) in a half-lamination method.
5. The exposed dielectric pipe provided with an electric tracing band according to any one of claims 1 to 4, wherein the thermal energy secondary feedback layer (3) comprises a thin metal strip covering the outer periphery of the thermal energy storage and conduction layer (2), the thin metal strip being a thermal energy feedback sheet made of a rolled sheet formed of one of an aluminum foil, a polished stainless steel sheet, and an electroplated sheet.
6. The exposed laying medium pipeline with the electric tracing band as claimed in claim 5, wherein the heat energy feedback sheet of the heat energy secondary feedback layer (3) is an integral roll plate, the roll plate wraps the periphery of the heat energy storage and conduction layer (2), and the edge of the closed part is laminated and fixed; or the heat energy feedback sheet of the heat energy secondary feedback layer (3) is of a double-winding plate structure, the two winding plates are combined into a cylinder shape and wrapped on the periphery of the heat energy storage and conduction layer (2), and the two edges are laminated and fixed.
7. The exposed laying medium pipe with electric tracing band according to any claim 1 to 4, wherein said insulation layer (41) is made of waterproof rock wool pipe, rock wool pipe shell or polyurethane foam tape, and said protection layer (42) is one or more of metal or plastic protection layer, coating protection layer or felt, foil, cloth protection layer.
8. An exposed laying medium pipe provided with electric tracing band according to claim 7, wherein said protective layer (42) is wound on the heat insulating layer (41) in an overlapping manner with an overlapping portion of one third to one half of the width of the protective layer (42).
9. An exposed medium pipeline provided with an electric tracing band according to any one of claims 1 to 4, characterized in that the electric tracing band (02) is laid on the medium pipeline (01) in a spiral manner, i.e. a single electric tracing band (02) is spirally wound on the medium pipeline (01) in a unidirectional manner; or a single electric tracing band (02) is oppositely spirally wound on the medium pipeline (01); or the two electric tracing bands (02) are spirally wound on the medium pipeline (01) in the same direction in a crossed manner.
10. The exposed laying medium pipe provided with electric tracing bands according to any one of claims 1 to 4, wherein a plurality of electric tracing bands (02) are laid in parallel on the peripheral outer wall of the medium pipe (01).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920704787.8U CN210240926U (en) | 2019-05-16 | 2019-05-16 | Exposed laying medium pipeline with electric tracing band |
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| CN201920704787.8U CN210240926U (en) | 2019-05-16 | 2019-05-16 | Exposed laying medium pipeline with electric tracing band |
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| CN210240926U true CN210240926U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067912A (en) * | 2019-05-16 | 2019-07-30 | 中建材行业生产力促进中心有限公司 | Surface equipped with electric-heating belt sets medium pipeline and preparation method thereof |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067912A (en) * | 2019-05-16 | 2019-07-30 | 中建材行业生产力促进中心有限公司 | Surface equipped with electric-heating belt sets medium pipeline and preparation method thereof |
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