CN114857410A - Oval-like composite heat insulation structure - Google Patents
Oval-like composite heat insulation structure Download PDFInfo
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- CN114857410A CN114857410A CN202210546149.4A CN202210546149A CN114857410A CN 114857410 A CN114857410 A CN 114857410A CN 202210546149 A CN202210546149 A CN 202210546149A CN 114857410 A CN114857410 A CN 114857410A
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- 238000009413 insulation Methods 0.000 title claims abstract description 95
- 239000002131 composite material Substances 0.000 title claims abstract description 89
- 239000011810 insulating material Substances 0.000 claims abstract description 86
- 239000012774 insulation material Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000004321 preservation Methods 0.000 claims description 33
- 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 claims description 19
- 239000011491 glass wool Substances 0.000 claims description 18
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 claims description 15
- 239000000391 magnesium silicate Substances 0.000 claims description 15
- 229910052919 magnesium silicate Inorganic materials 0.000 claims description 15
- 235000019792 magnesium silicate Nutrition 0.000 claims description 15
- 239000011490 mineral wool Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004964 aerogel Substances 0.000 claims description 3
- 239000000378 calcium silicate Substances 0.000 claims description 3
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 3
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- -1 aluminum silicates Chemical class 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 218
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 229910000323 aluminium silicate Inorganic materials 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/025—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves with more then two segments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
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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
- F16L59/10—Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention relates to an oval-like composite heat-insulating structure which comprises a first hard heat-insulating layer, a second hard heat-insulating layer, a flexible heat-insulating composite structure layer, a flexible heat-insulating layer and an external hard heat-insulating layer; the total thickness formed by combining the flexible heat-insulation composite structure layer and the external hard heat-insulation layer is smaller than that formed by combining the first hard heat-insulation layer and the second hard heat-insulation layer, and the installed composite heat-insulation structure is of an ellipse-like structure. According to the oval-like composite heat-insulation structure, the hard heat-insulation material and the flexible heat-insulation material are combined, and the composite low-heat-conductivity-coefficient material is only locally used, so that the material cost is reduced, and the heat-insulation effect can be effectively guaranteed; the prefabricated concrete can be prefabricated in blocks in a factory in advance, so that the transportation cost is reduced, the field installation time is saved, and the construction period is guaranteed; the upper part and the lower part of the inner part are made of hard heat-insulating materials, and the outer part is also made of hard heat-insulating materials, so that the integral structure is firmer and can prevent collapse.
Description
Technical Field
The invention relates to the field of heat insulation engineering, in particular to an oval-like composite heat insulation structure.
Background
In the heat preservation engineering of the heat preservation pipeline with the temperature of 50-800 ℃, the mature construction process at present comprises the following steps: the heat-insulating material is cut and coated on site according to design, and then is coated by a metal or nonmetal outer protective layer. For the heat-insulating thickness that the actual distance between two pipelines is small and the surrounding environment of the pipeline cannot meet the energy-saving requirement, the heat-insulating material is usually coated according to the actual distance between the pipelines. The construction process has the following disadvantages:
(1) because the actual distance between two pipelines is less, if wrap up the insulation material according to the actual distance of two pipelines, then the energy-conserving requirement is hardly reached to adiabatic effect.
(2) Because the actual distance between the two pipelines is smaller, the process difficulty of on-site construction is large, the risk is high, the labor intensity is high, the processing precision is not high, the working efficiency is low, and materials are wasted.
(3) The heat insulation structure made of the traditional heat insulation material is limited in field processing precision, so that a hot penetrating seam is easy to appear, and the energy-saving effect is general (refer to GB 50264-2013).
Disclosure of Invention
The invention aims to provide an oval-like composite heat-insulating structure, which is suitable for the situation that the heat-insulating effect cannot meet the energy-saving requirement and the heat dissipation capacity or the outer wall temperature exceeds the standard due to the fact that the traditional heat-insulating material is arranged according to the heat-insulating thickness determined by the environment under the condition that the space environment is limited. Meanwhile, the problems that a traditional heat insulation structure is unstable, the repeated utilization rate is low, the field disassembly is difficult, the construction labor intensity is high, the maintenance cost is high and the like are solved.
In order to solve the technical problems, the invention aims to realize the following technical scheme:
an oval-like composite heat insulation structure comprises a first hard heat insulation layer, a second hard heat insulation layer, a flexible heat insulation composite structure layer, a flexible heat insulation layer and an external hard heat insulation layer;
the first hard heat-insulating layer and the second hard heat-insulating layer are respectively prefabricated by one-piece or multi-piece heat-insulating material structures, wherein the first hard heat-insulating layer and the second hard heat-insulating layer can be of single-layer structures or multi-layer structures; the first hard heat-insulating layer is fixedly arranged outside the pipeline, and the second hard heat-insulating layer is fixedly arranged outside the first hard heat-insulating layer; the flexible heat-insulating composite structure layer is fixedly arranged between the upper and lower first hard heat-insulating layers and the second hard heat-insulating layer, and the contact surface of the flexible heat-insulating composite structure layer can be two surfaces parallel to the axis or an inclined surface; the flexible heat-insulation composite structure layer is fixedly provided with a flexible heat-insulation layer at the contact part of the flexible heat-insulation composite structure layer and the first hard heat-insulation layer as well as the second hard heat-insulation layer, and the installation space of the flexible heat-insulation composite structure layer can be a trapezoidal surface structure with a small inside and a large outside, so that the flexible heat-insulation composite structure layer is convenient to install and disassemble; the structure can also be a trapezoidal surface structure with a large inside and a small outside to prevent falling off; the material can also be a concave-convex contact surface, so that the material is more stable after being squeezed and is not easy to fall off; the external hard insulating layer is fixedly arranged between the second hard insulating layers and outside the flexible insulating composite structure layer; the end parts of each section of the first hard heat-insulating layer, the second hard heat-insulating layer and the external hard heat-insulating layer are respectively provided with a flexible connecting block, and each section of the first hard heat-insulating layer and each section of the second hard heat-insulating layer are tightly sealed by the flexible connecting blocks in a squeezing way, so that the aim of tight wind tightness between each section is fulfilled;
the total thickness formed by combining the flexible heat-insulation composite structure layer and the external hard heat-insulation layer is smaller than that formed by combining the first hard heat-insulation layer and the second hard heat-insulation layer, and the installed composite heat-insulation structure is of an ellipse-like structure.
Furthermore, the internal hard heat-insulating layer and the internal flexible heat-insulating layer are respectively prefabricated by one or more heat-insulating material structures;
the internal hard heat-insulating layers are fixedly arranged on the upper outer portion and the lower outer portion of the pipeline, the internal flexible heat-insulating layers are fixedly arranged on the left outer portion and the right outer portion of the pipeline, a connection type structure with both hardness and softness is formed, the two heat-insulating layers are mutually extruded in the installation process to form a squeezing force, and no gap and no heat leakage are formed between the heat-insulating layers after installation;
the first hard heat-insulating layer and the second hard heat-insulating layer are sequentially and fixedly arranged outside the internal hard heat-insulating layer; the flexible heat-preservation composite structure layer and the flexible heat-preservation layer are sequentially and fixedly arranged outside the internal flexible heat-preservation layer, and the external hard heat-preservation layer is fixedly arranged between the first hard heat-preservation layer and the second hard heat-preservation layer and outside the flexible heat-preservation composite structure layer; each end of the internal hard insulating layer is provided with a flexible connecting block.
Furthermore, the external hard heat-insulating layer and the external flexible heat-insulating layer can be prefabricated and assembled into a whole or two split bodies, and the external flexible heat-insulating layer is fixedly arranged between the second hard heat-insulating layers and outside the external hard heat-insulating layer.
Furthermore, the first hard insulating layer and the flexible insulating composite structure layer are compositely prefabricated into an integral structure with one or more sections and fixedly installed outside the pipeline; the flexible heat-insulation composite structure layer is fixedly arranged at the left outer part and the right outer part of the pipeline, the first hard heat-insulation layers are fixedly arranged at the upper outer part and the lower outer part of the pipeline, and the heat-insulation effect of the position is equal to or better than that of the upper position and the lower position of the pipeline due to the characteristics of the flexible heat-insulation material; the second hard insulating layer is fixedly arranged outside the integral structure; the special-shaped hard insulating layers are not in a perfect circle shape and are fixedly arranged between the second hard insulating layers and outside the integral structure; each end of the special-shaped hard insulating layer is provided with a flexible connecting block.
The first hard heat-insulating layer and the second hard heat-insulating layer respectively have the compressive strength of more than or equal to 20kPa and the density of more than or equal to 100kg/m 3 The hard heat-insulating material or the hard heat-insulating material and the flexible heat-insulating material are compounded; wherein the hard heat-insulating material comprises a rock wool pipe shell; the flexible heat insulating material comprises aluminum silicate or glass wool.
The flexible heat-insulating composite structure layer is composed of a heat-insulating material A with low heat conductivity coefficient or composed of a heat-insulating material A with low heat conductivity coefficient and a heat-insulating material B; wherein the thermal conductivity coefficient of the heat-insulating material A at normal temperature is less than or equal to 0.021W/(m.k), the tensile strength is more than or equal to 100kPa, and the density is more than or equal to 100kg/m 3 Including nano aerogel insulation blankets; the thermal conductivity coefficient of the thermal insulation material B at normal temperature is less than or equal to 0.07W/(m.k), the tensile strength is more than or equal to 20kPa, and the density is more than or equal to 100kg/m 3 Including aluminum silicates; the thermal conductivity coefficient of the thermal insulation material B is higher than that of the thermal insulation material A, and the tensile strength of the thermal insulation material B is lower than that of the thermal insulation material A, so that the density of the flexible thermal insulation composite structure layer is higher than that of the traditional thermal insulation material layer, and the thermal insulation effect of the flexible thermal insulation composite structure layer is better than that of the traditional thermal insulation material layer. And determining the actual thickness of the flexible heat-insulating composite structure layer according to heat transfer calculation, wherein the thickness of the flexible heat-insulating composite structure layer is lower than that of the flexible heat-insulating composite structure layer which is only used with a hard heat-insulating layer.
The flexible heat-insulating layer is generally a groove-shaped structure or a prefabricated structure with other shapes and consists of one or more flexible heat-insulating materials; wherein the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool; the flexible heat-insulating layer is filled between the two heat-insulating layers, so that the sealing effect is achieved, and no gap or heat leakage is ensured after the heat-insulating layers are tightly installed and squeezed.
The external hard heat-insulating layer is made of a hard heat-insulating material or is formed by compounding a hard heat-insulating material and a flexible heat-insulating material; wherein the hard heat-insulating material comprises a rock wool pipe shell; the flexible thermal insulation material comprises aluminum silicate, magnesium silicate or glass wool.
The flexible connecting block is made of one or more flexible heat-insulating materials; wherein the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool.
The internal hard heat-insulating layer has the compressive strength of more than or equal to 0.2MPa and the density of more than or equal to 100kg/m 3 The hard heat-insulating material; wherein the hard thermal insulation material comprises calcium silicate;
the inner flexible heat-insulating layer is composed of a layer with tensile strength more than or equal to 20kPa and density more than or equal to 100kg/m 3 The flexible heat-insulating material; wherein the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool.
The special-shaped hard insulating layer is formed by the components of more than or equal to 20kPa in compressive strength and more than or equal to 100kg/m in density 3 The hard heat-insulating material or the hard heat-insulating material and the flexible heat-insulating material are compounded, wherein the hard heat-insulating material comprises a rock wool pipe shell; the flexible thermal insulation material comprises aluminum silicate, magnesium silicate or glass wool.
The first hard heat-insulating layer and the second hard heat-insulating layer can be compositely prefabricated into an integral hard heat-insulating structure with one or more sections.
The two ends of the internal hard insulating layer are respectively a convex end and a concave end which can be correspondingly spliced and inserted with each other; the protruding end can be formed by the whole semicircle or a small cylinder, and when the pipeline is installed, the protruding end and the sunken end are correspondingly spliced and inserted, so that each section of the internal hard heat-insulation layer can be accurately positioned and spliced into a whole.
The installation and fixation mode among the heat preservation layers is a bundling type fixation mode, and comprises iron wire bundling, stainless steel band bundling or ribbon bundling.
Each part of the quasi-elliptical composite heat-insulating structure can be prefabricated in a factory in a block-by-block manner in advance, each prefabricated part of the quasi-elliptical composite heat-insulating structure is of an arc structure which is not larger than 180 degrees, and compared with a full-circle product, the transportation cost can be greatly reduced.
The invention has the beneficial effects that:
according to the oval-like composite heat-insulation structure, the hard heat-insulation material and the flexible heat-insulation material are combined, and the composite low-heat-conductivity-coefficient material is only locally used, so that the material cost is reduced, and the heat-insulation effect can be effectively guaranteed; the prefabricated concrete can be prefabricated in blocks in a factory in advance, so that the transportation cost is reduced, the field installation time is saved, and the construction period is guaranteed; the upper part and the lower part of the inner part are made of hard heat-insulating materials, and the outer part is also made of hard heat-insulating materials, so that the integral structure is firmer and can prevent collapse. The quasi-elliptical composite heat-insulating structure can be used under the condition that space environments on the left side and the right side of a pipeline are limited, namely, under the condition that the pipeline arrangement distance is not increased, the occupied area and the investment cost of a pipe gallery are increased, the quasi-elliptical composite heat-insulating structure is formed by adopting a mode of combining a hard heat-insulating material and a flexible heat-insulating material, so that the energy is saved and the standard is reached, and the quasi-elliptical composite heat-insulating structure not only can be applied to a straight pipe section, but also can be flexibly applied to an elbow section. In the place with limited left and right space, the flexible heat-insulating composite structure layer, the flexible heat-insulating layer and the internal flexible heat-insulating layer are combined for use, so that the space is saved to the maximum extent under the aim of energy saving and heat insulation; and in places with unlimited upper and lower spaces, the purpose of energy saving and heat preservation is achieved by increasing the thickness of the conventional heat preservation layer.
Drawings
FIG. 1 is a cross-sectional view of a similar elliptical composite insulation structure in technical scheme 1;
FIG. 2 is a cross-sectional view of a similar elliptical composite insulation structure in accordance with technical aspect 2;
FIG. 3 is a cross-sectional view of technical solution 3 of the quasi-elliptical composite insulation structure;
FIG. 4 is a cross-sectional view of technical solution 4 of an oval-like composite insulation structure;
FIG. 5 is a longitudinal sectional view of the oval-like composite insulation structure according to claim 2;
FIG. 6 is a longitudinal cross-sectional view of an interior rigid insulation layer;
FIG. 7 is a cross-sectional view of the shipping box;
wherein, 1-a first hard heat-insulating layer; 2-a second hard insulating layer; 3-flexible heat preservation composite structure layer; 4-flexible heat-insulating layer; 5-external hard insulating layer; 6-internal hard heat-insulating layer; 7-inner flexible heat-insulating layer; 8-an external flexible insulating layer; 9-special-shaped hard insulating layer; 10-flexible joint block.
Detailed Description
The present invention will be described in further detail below: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
Example 1: technical solution 1
As shown in fig. 1, a first hard insulating layer 1 and a second hard insulating layer 2 are installed, then a flexible insulating composite structure layer 3 with flexible insulating layers 4 at the left and right ends is installed, and finally an external hard insulating layer 5 is installed;
the first hard heat insulation layer 1 and the second hard heat insulation layer 2 are respectively prefabricated by one-piece or multi-piece heat insulation material structures, the first hard heat insulation layer 1 and the second hard heat insulation layer 2 can be compositely prefabricated into one-piece or multi-piece integral hard heat insulation structures, the first hard heat insulation layer 1 is fixedly installed outside a pipeline, and the second hard heat insulation layer 2 is fixedly installed outside the first hard heat insulation layer 1; the flexible heat-insulating composite structure layer 3 is fixedly arranged between the upper and lower first hard heat-insulating layers 1 and the second hard heat-insulating layer 2; a flexible heat-insulating layer 4 is fixedly arranged at the contact part of the flexible heat-insulating composite structure layer 3 and the first hard heat-insulating layer 1 and the second hard heat-insulating layer 2; the external hard insulating layer 5 is fixedly arranged between the second hard insulating layers 2 and outside the flexible insulating composite structure layer 3; each end of the first hard insulating layer 1, the second hard insulating layer 2 and the external hard insulating layer 5 is respectively provided with a flexible connecting block 10;
the total thickness formed by combining the flexible heat-insulation composite structure layer 3 and the external hard heat-insulation layer 5 is smaller than the total thickness formed by combining the first hard heat-insulation layer 1 and the second hard heat-insulation layer 2, and the installed composite heat-insulation structure is of an ellipse-like structure.
Example 2: technical solution 2
As shown in fig. 2, an internal hard insulating layer 6 and an internal flexible insulating layer 7 are firstly installed, the two layers form a whole with two or more sections, then a first hard insulating layer 1 and a second hard insulating layer 2 are installed, then flexible insulating composite structure layers 3 with flexible insulating layers 4 at the left and right ends are installed, and finally an external hard insulating layer 5 is installed;
the internal hard heat-insulating layer 6 and the internal flexible heat-insulating layer 7 are respectively prefabricated by one or more heat-insulating material structures;
the two ends of the internal hard heat-insulating layer 6 are respectively a convex end and a concave end which can be correspondingly spliced and inserted with each other, the internal hard heat-insulating layer 6 is fixedly arranged at the upper and lower outer parts of the pipeline, and the internal flexible heat-insulating layer 7 is fixedly arranged at the left and right outer parts of the pipeline, so that a linked structure with both hardness and softness is formed; the first hard heat-insulating layer 1 and the second hard heat-insulating layer 2 are sequentially and fixedly arranged outside the internal hard heat-insulating layer 6, and the first hard heat-insulating layer 1 and the second hard heat-insulating layer 2 can be compositely prefabricated into an integral hard heat-insulating structure with one or more sections; the flexible heat-preservation composite structure layer 3 and the flexible heat-preservation layer 4 are sequentially and fixedly arranged outside the internal flexible heat-preservation layer 7, and the external hard heat-preservation layer 5 is fixedly arranged between the first hard heat-preservation layer 1 and the second hard heat-preservation layer 2 and outside the flexible heat-preservation composite structure layer 3; each end of the first hard insulating layer 1, the second hard insulating layer 2, the external hard insulating layer 5 and the internal hard insulating layer 6 is respectively provided with a flexible connecting block 10; the two ends of the internal hard insulating layer 6 are respectively a convex end and a concave end which can be correspondingly spliced and inserted with each other;
the total thickness formed by combining the flexible heat-insulation composite structure layer 3 and the external hard heat-insulation layer 5 is smaller than the total thickness formed by combining the first hard heat-insulation layer 1 and the second hard heat-insulation layer 2, and the installed composite heat-insulation structure is of an ellipse-like structure.
Example 3: technical solution 3
As shown in fig. 3, an internal hard insulating layer 6 and an internal flexible insulating layer 7 are installed firstly, the two layers form a whole with two or more sections, then a first hard insulating layer 1 and a second hard insulating layer 2 are installed, then a flexible insulating composite structure layer 3 with flexible insulating layers 4 at the left and right ends is installed, then an external hard insulating layer 5 is installed, and finally an external flexible insulating layer 8 is installed;
as described in the above embodiment 2, the composite thermal insulation structure is installed, and the external flexible thermal insulation layer 8 is fixedly installed between the second hard thermal insulation layers 2 and outside the external hard thermal insulation layer 5. The external hard insulating layer 5 and the external flexible insulating layer 8 can be prefabricated and assembled into a whole or two split bodies, are arranged between the two hard insulating layers 2 and positioned outside the flexible insulating composite structure layer 3, and the formed whole and the flexible insulating composite structure layer 3 are firmly fixed together; each end of the first hard insulating layer 1, the second hard insulating layer 2, the external hard insulating layer 5 and the internal hard insulating layer 6 is respectively provided with a flexible connecting block 10; the two ends of the internal hard insulating layer 6 are respectively a convex end and a concave end which can be correspondingly spliced and inserted with each other;
the total thickness formed by combining the flexible heat-insulation composite structure layer 3 and the external hard heat-insulation layer 5 is smaller than the total thickness formed by combining the first hard heat-insulation layer 1 and the second hard heat-insulation layer 2, and the installed composite heat-insulation structure is of an ellipse-like structure.
Example 4: technical solution 4
As shown in fig. 4, the first hard insulating layer 1 and the flexible insulating composite structure layer 3 are prefabricated into an integral structure with one or more sections, and are fixedly installed outside the pipeline, and then the special-shaped hard insulating layer 9 is installed;
the flexible heat-preservation composite structure layer 3 is fixedly arranged at the left and right outer parts of the pipeline, and the first hard heat-preservation layer 1 is fixedly arranged at the upper and lower outer parts of the pipeline; the second hard heat-insulating layer 2 is fixedly arranged outside the integral structure; the special-shaped hard insulating layer 9 is fixedly arranged between the second hard insulating layers 2 and outside the integral structure; the end parts of each section of the first hard insulating layer 1, the second hard insulating layer 2 and the special-shaped hard insulating layer 9 are respectively provided with a flexible connecting block 10;
the total thickness formed by combining the flexible heat-insulating composite structure layer 3 and the special-shaped hard heat-insulating layer 9 is smaller than the total thickness formed by combining the first hard heat-insulating layer 1 and the second hard heat-insulating layer 2, and the installed composite heat-insulating structure is of an oval-like structure.
As shown in fig. 7, in the above embodiment, each part is not a complete circle, and in the transport box tray with the same area, parts with a single specification and prefabricated in blocks can be loaded more, so that the long-distance transport advantage is achieved.
In the above embodiments, the installation and fixing manner between the insulating layers is a bundling type fixing, which includes iron wire bundling, stainless steel band bundling, or ribbon bundling.
The first hard heat-insulating layer 1 and the second hard heat-insulating layer 2 are respectively composed of hard heat-insulating materials with the compressive strength of more than or equal to 20kPa and the density of more than or equal to 100kg/m3 or are composed of hard heat-insulating materials and flexible heat-insulating materials in a composite way; wherein, hard heat-insulating materials such as rock wool pipe shells; flexible insulating materials such as aluminium silicate or glass wool.
The flexible heat-insulating composite structure layer 3 is composed of a heat-insulating material A with a low heat conductivity coefficient or composed of a heat-insulating material A with a low heat conductivity coefficient and a heat-insulating material B; wherein the thermal conductivity coefficient of the heat-insulating material A at normal temperature is less than or equal to 0.021W/(m.k), the tensile strength is more than or equal to 100kPa, and the density is more than or equal to 100kg/m 3 Such as nano aerogel insulation blanket; the thermal conductivity coefficient of the thermal insulation material B at normal temperature is less than or equal to 0.07W/(m.k), the tensile strength is more than or equal to 20kPa, and the density is more than or equal to 100kg/m 3 Such as aluminum silicate.
The flexible thermal insulation layer 4 is made of one or more flexible thermal insulation materials, such as aluminum silicate, magnesium silicate or glass wool.
The external hard heat-insulating layer 5 is made of a hard heat-insulating material or is formed by compounding a hard heat-insulating material and a flexible heat-insulating material; wherein, hard heat-insulating materials such as rock wool pipe shells; flexible insulating materials such as aluminium silicate, magnesium silicate or glass wool.
The flexible connecting block 10 is made of one or more flexible heat-insulating materials; wherein the flexible heat-insulating material is aluminum silicate, magnesium silicate or glass wool.
The internal hard heat-insulating layer 6 has the compressive strength of more than or equal to 0.2MPa and the density of more than or equal to 100kg/m 3 Hard insulating materials such as calcium silicate;
the internal flexible heat-insulating layer 7 has the tensile strength of more than or equal to 20kPa and the density of more than or equal to 100kg/m 3 The flexible heat-insulating material of (1) is made of aluminum silicate, magnesium silicate or glass wool.
The special-shaped hard insulating layer 9 has the compressive strength of more than or equal to 20kPa,The density is more than or equal to 100kg/m 3 The hard heat-insulating material or the hard heat-insulating material and the flexible heat-insulating material are compounded; wherein, hard heat-insulating materials such as rock wool pipe shells; flexible insulating materials such as aluminium silicate, magnesium silicate or glass wool.
The above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides an oval-like composite insulation structure which characterized in that:
comprises a first hard insulating layer (1), a second hard insulating layer (2), a flexible insulating composite structure layer (3), a flexible insulating layer (4) and an external hard insulating layer (5);
the first hard heat-insulating layer (1) and the second hard heat-insulating layer (2) are respectively prefabricated by one-piece or multi-piece heat-insulating material structures, the first hard heat-insulating layer (1) is fixedly arranged outside the pipeline, and the second hard heat-insulating layer (2) is fixedly arranged outside the first hard heat-insulating layer (1); the flexible heat-preservation composite structure layer (3) is fixedly arranged between the upper and lower first hard heat-preservation layers (1) and the second hard heat-preservation layer (2); a flexible heat-insulating layer (4) is fixedly arranged at the contact part of the flexible heat-insulating composite structure layer (3) and the first hard heat-insulating layer (1) and the second hard heat-insulating layer (2); the external hard insulating layers (5) are fixedly arranged between the second hard insulating layers (2) and outside the flexible insulating composite structure layer (3); each end of the first hard heat-insulating layer (1), the second hard heat-insulating layer (2) and the external hard heat-insulating layer (5) is respectively provided with a flexible connecting block (10);
the total thickness formed by combining the flexible heat-insulation composite structure layer (3) and the external hard heat-insulation layer (5) is smaller than that formed by combining the first hard heat-insulation layer (1) and the second hard heat-insulation layer (2), and the installed composite heat-insulation structure is of an ellipse-like structure.
2. The quasi-elliptical composite thermal insulation structure of claim 1, characterized in that:
the internal hard heat-insulating layer (6) and the internal flexible heat-insulating layer (7) are respectively prefabricated by one-piece or multi-piece heat-insulating material structures;
the internal hard heat-insulating layers (6) are fixedly arranged on the upper and lower outer parts of the pipeline, and the internal flexible heat-insulating layers (7) are fixedly arranged on the left and right outer parts of the pipeline to form a connected structure with both hardness and softness;
the first hard heat-insulating layer (1) and the second hard heat-insulating layer (2) are sequentially and fixedly arranged outside the internal hard heat-insulating layer (6); the flexible heat-preservation composite structure layer (3) and the flexible heat-preservation layer (4) are sequentially and fixedly arranged outside the internal flexible heat-preservation layer (7), and the external hard heat-preservation layer (5) is fixedly arranged between the first hard heat-preservation layer (1) and the second hard heat-preservation layer (2) and outside the flexible heat-preservation composite structure layer (3); each end of the internal hard insulating layer (6) is respectively provided with a flexible connecting block (10).
3. The quasi-elliptical composite thermal insulation structure of claim 2, characterized in that:
the external flexible heat-insulating layer (8) is fixedly arranged between the second hard heat-insulating layers (2) and outside the external hard heat-insulating layer (5).
4. The quasi-elliptical composite thermal insulation structure of claim 1, characterized in that:
the first hard heat-insulating layer (1) and the flexible heat-insulating composite structure layer (3) are compositely prefabricated into an integral structure with one or more sections and fixedly arranged outside the pipeline; the flexible heat-insulation composite structure layer (3) is fixedly arranged on the left outer part and the right outer part of the pipeline, and the first hard heat-insulation layer (1) is fixedly arranged on the upper outer part and the lower outer part of the pipeline; the second hard heat-insulating layer (2) is fixedly arranged outside the integral structure; the special-shaped hard insulating layers (9) are fixedly arranged between the second hard insulating layers (2) and outside the integral structure; each end of the special-shaped hard insulating layer (9) is provided with a flexible connecting block (10).
5. The quasi-elliptical composite thermal insulation structure according to any one of claims 1-4, characterized in that:
the first hard heat-insulating layer (1) and the second hard heat-insulating layer (2) respectively have the compressive strength of more than or equal to 20kPa and the density of more than or equal to 100kg/m 3 The hard heat-insulating material or the hard heat-insulating material and the flexible heat-insulating material are compounded; wherein the hard heat-insulating material comprises a rock wool pipe shell; the flexible heat-insulating material comprises aluminum silicate or glass wool;
the flexible heat-insulating composite structure layer (3) is composed of a heat-insulating material A or composed of a heat-insulating material A and a heat-insulating material B; wherein the thermal conductivity coefficient of the heat-insulating material A at normal temperature is less than or equal to 0.021W/(m.k), the tensile strength is more than or equal to 100kPa, and the density is more than or equal to 100kg/m 3 Including nano aerogel insulation blankets; the thermal conductivity coefficient of the thermal insulation material B at normal temperature is less than or equal to 0.07W/(m.k), the tensile strength is more than or equal to 20kPa, and the density is more than or equal to 100kg/m 3 Including aluminum silicates;
the flexible heat-insulating layer (4) is made of one or more flexible heat-insulating materials; wherein the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool;
the external hard heat-insulating layer (5) is composed of a hard heat-insulating material or a hard heat-insulating material and a flexible heat-insulating material; wherein the hard heat-insulating material comprises a rock wool pipe shell; the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool;
the flexible connecting block (10) is made of one or more flexible heat-insulating materials; wherein the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool.
6. The quasi-elliptical composite thermal insulation structure of claim 2 or 3, characterized in that:
the internal hard heat-insulating layer (6) has the compressive strength of more than or equal to 0.2MPa and the density of more than or equal to 100kg/m 3 The hard heat-insulating material; wherein the hard thermal insulation material comprises calcium silicate;
the inner flexible heat-insulating layer (7) is composed of a material with the tensile strength of more than or equal to 20kPa and the density of more than or equal to 100kg/m 3 The flexible heat-insulating material; wherein the flexible heat-insulating material comprises aluminum silicate, magnesium silicate or glass wool.
7. The quasi-elliptical composite thermal insulation structure of claim 4, characterized in that:
the special-shaped hard insulating layer (9) has the compressive strength of more than or equal to 20kPa and the density of more than or equal to 100kg/m 3 The hard heat-insulating material or the hard heat-insulating material and the flexible heat-insulating material are compounded; wherein the hard heat-insulating material comprises a rock wool pipe shell; the flexible thermal insulation material comprises aluminum silicate, magnesium silicate or glass wool.
8. The quasi-elliptical composite thermal insulation structure of any one of claims 1-3, characterized in that:
the first hard heat-insulating layer (1) and the second hard heat-insulating layer (2) can be compositely prefabricated into an integral hard heat-insulating structure with one or more sections.
9. The quasi-elliptical composite thermal insulation structure of claim 2 or 3, characterized in that:
the two ends of the internal hard heat-insulating layer (6) are respectively a convex end and a concave end which can be correspondingly spliced and inserted with each other.
10. The quasi-elliptical composite thermal insulation structure according to any one of claims 1-4, characterized in that:
the installation and fixation mode among the heat preservation layers is a bundling type fixation mode, and comprises iron wire bundling, stainless steel band bundling or ribbon bundling.
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| CN202210546149.4A CN114857410A (en) | 2022-05-19 | 2022-05-19 | Oval-like composite heat insulation structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210546149.4A CN114857410A (en) | 2022-05-19 | 2022-05-19 | Oval-like composite heat insulation structure |
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| US20110248126A1 (en) * | 2006-08-18 | 2011-10-13 | Kellogg Brown & Root Llc | Systems And Methods For Supporting A Pipe |
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