CN215751185U - Composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient - Google Patents
Composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient Download PDFInfo
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- CN215751185U CN215751185U CN202122155686.XU CN202122155686U CN215751185U CN 215751185 U CN215751185 U CN 215751185U CN 202122155686 U CN202122155686 U CN 202122155686U CN 215751185 U CN215751185 U CN 215751185U
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Abstract
The utility model discloses a composite heat-insulating material with high heat insulation and ultralow heat conductivity coefficient, which comprises a composite heat-insulating material and an anti-ultraviolet isolation layer, wherein a polytetrafluoroethylene coating is arranged on the upper surface of the composite heat-insulating material, a waterproof protective layer covers the upper surface of the polytetrafluoroethylene coating, a transparent hydrophobic layer is arranged above the waterproof protective layer, the anti-ultraviolet isolation layer covers the transparent hydrophobic layer, and the composite heat-insulating material comprises a heat-insulating filler, a first sealing wire frame, a braided connecting wire, a second sealing wire frame and a braided belt. The composite heat-insulating material glass wool, the nanoscale aerogel and the flame-retardant material layer with high heat-insulating and ultralow heat conductivity coefficient are supported by the nanocomposite, so that the bearing capacity of the heat-insulating filler is improved while the high heat-insulating and ultralow heat conductivity coefficient is met, and meanwhile, the flame retardant property of the composite heat-insulating material can be improved through the added flame-retardant material layer, so that safety accidents caused by the composite heat-insulating material being close to the periphery of a fire source are avoided.
Description
Technical Field
The utility model relates to the technical field of heat insulation materials for ships, in particular to a composite heat insulation material with high heat insulation and ultralow heat conductivity coefficient.
Background
The marine LNG fuel tank device is a horizontal double-shell container, and the main structure of the tank body consists of an inner container, a shell, a pipeline, a support, a saddle and a heat insulation material arranged between the inner container and the shell. The inner container stores LNG with the temperature of about-162 degrees, the interlayer of the inner container and the shell is insulated by adopting a heat insulating material, two liquid phase pipes (a liquid phase pipe with liquid discharged from the bottom and a liquid phase pipe of a liquid level meter) are arranged below the interlayer, the two liquid phase pipes are insulated by the heat insulating material of the interlayer at the part of the interlayer, and when the liquid phase pipes extend out of the shell, the extending parts also need to be insulated by using a composite heat insulating material for reducing the loss of low-temperature liquid.
At present, the protective materials for the ship fuel tank and the low-temperature tank shell on the market do not have the anti-collision function, are easy to damage after being corroded by seawater and impacted by external force for a long time, and cannot well protect the ship fuel tank and the low-temperature tank shell, so that the composite thermal insulation material with high thermal insulation and ultralow thermal conductivity coefficient is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient, which aims to solve the problems that the prior protective material for a ship fuel tank and a low-temperature tank shell in the market, which is provided in the background art, does not have an anti-impact function, is easy to damage after being corroded by seawater and impacted by external force for a long time, and cannot well protect the ship fuel tank and the low-temperature tank shell.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high thermal-insulated ultralow coefficient of heat conductivity's combined insulation material that insulates against heat, includes combined insulation material and ultraviolet resistance isolation layer, combined insulation material's top surface is provided with the polytetrafluoroethylene coating, and the top surface covering of polytetrafluoroethylene coating has waterproof layer, waterproof layer's top is provided with transparent hydrophobic layer, ultraviolet resistance isolation layer covers in the top of transparent hydrophobic layer, combined insulation material includes thermal-insulated filler, first sealed wire frame, weaves connecting wire, the sealed wire frame of second and interweaves the area, and is provided with first sealed wire frame above the inside right side of thermal-insulated filler, the inboard of first sealed wire frame links up and has weaved the connecting wire, and the left side of first sealed wire frame is provided with the friendship area, the opposite side of friendship area is connected with the sealed wire frame of second.
Preferably, the thermal insulation filler comprises glass wool, nanoscale aerogel and a flame-retardant material layer, wherein the nanoscale aerogel is connected to the surface of the glass wool, and the flame-retardant material layer covers the other surface of the nanoscale aerogel.
Preferably, the top and bottom surfaces of the nano-aerogel are both in a folding line-shaped structure, and the number of the nano-aerogel is two and is symmetrically arranged about the transverse central axis of the glass wool.
Preferably, the flame-retardant material layers are symmetrically arranged about the transverse central axis of the glass wool, and the nanoscale aerogel and the flame-retardant material layers are tightly attached.
Preferably, the outer diameter of the first sealing wire frame is one tenth of the outer diameter of the heat insulation filler, and the first sealing wire frame and the braided connecting wire are connected with the heat insulation filler in an embedded and sewn mode.
Preferably, the first sealing wire frame and the second sealing wire frame are consistent in size and structure, and the first sealing wire frame, the intersection belt and the second sealing wire frame are of an integrated structure.
Preferably, the composite heat-insulating material further comprises a barrier film, and the barrier film is coated outside the heat-insulating filler, the first sealing wire frame, the weaving connecting wire, the second sealing wire frame and the weaving belt.
Preferably, the composite thermal insulation material further comprises an outer cladding layer, and the outer part of the barrier film is wrapped with the outer cladding layer.
Preferably, the composite thermal insulation material further comprises a positioning line, and the positioning line is sewn on the periphery of the outer part of the outer cladding layer.
The utility model provides a composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient, which has the following beneficial effects: this compound incubation material of high thermal-insulated ultralow coefficient of heat conductivity through at the additional anti ultraviolet isolation layer of compound incubation material surface, makes it to carry out the separation to a certain extent to the ultraviolet ray in the external environment, reduces the absorption to light to effectively reduce compound incubation material's ageing speed.
1. The polytetrafluoroethylene coating and the waterproof protective layer are arranged to enhance the corrosion resistance and the acid resistance of the composite heat-insulating material, so that the composite heat-insulating material cannot be rusted after being impacted by seawater, the service life of the composite heat-insulating material and an interface protected by the composite heat-insulating material is prolonged, the transparent hydrophobic layer is made of a super-hydrophobic material, the surface of the transparent hydrophobic layer is irregularly raised, but the surface of the transparent hydrophobic layer can be observed under a microscope, and the design of adding the transparent hydrophobic layer on the outer surface of the composite heat-insulating material is used for preventing rainwater or seawater from being attached to the composite heat-insulating material and maintaining the surface cleanliness of the composite heat-insulating material.
2. The first sealing wire frame and the second sealing wire frame are sequentially fixed with the heat insulation filler in an embedding and sewing connection mode, the compactness between the heat insulation filler is further enhanced through the weaving connecting wire on the inner side of the first sealing wire frame, so that the composite heat insulation material is prevented from being broken and disconnected when being pulled and impacted, the structural strength of the composite heat insulation material can be improved, and meanwhile, the heat insulation filler, the first sealing wire frame, the weaving connecting wire, the second sealing wire frame and the interweaving belt are coated with the barrier film formed by compounding the aluminum film and the polypropylene film in a hot-pressing mode.
3. The glass wool, the nanoscale aerogel and the flame-retardant material layer are supported by the nanocomposite, so that the high heat insulation and ultralow heat conductivity coefficient are met, the bearing capacity of the heat insulation filler is improved, the flame retardant property of the composite heat insulation material can be improved by the added flame-retardant material layer, and safety accidents caused by the situation that the composite heat insulation material is close to the periphery of a fire source are avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of a composite thermal insulation material with high thermal insulation and ultralow thermal conductivity of the present invention;
FIG. 2 is a schematic cross-sectional view of the composite thermal insulation material with high thermal insulation and ultralow thermal conductivity of the present invention;
FIG. 3 is a schematic cross-sectional view of the thermal insulation filler of the composite thermal insulation material with high thermal insulation and ultralow thermal conductivity of the present invention.
In the figure: 1. compounding heat insulating material; 101. a thermally insulating filler; 1011. glass wool; 1012. nano-aerogel; 1013. a layer of a flame retardant material; 102. a first sealing wire frame; 103. weaving a connecting line; 104. a second sealing wire frame; 105. interweaving the belts; 106. a barrier film; 107. an outer cladding; 108. positioning a line; 2. a polytetrafluoroethylene coating; 3. a waterproof protective layer; 4. a transparent hydrophobic layer; 5. an ultraviolet resistant isolation layer.
Detailed Description
As shown in figure 1, a composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient comprises a composite thermal insulation material 1 and an anti-ultraviolet isolation layer 5, wherein a polytetrafluoroethylene coating 2 is arranged on the upper surface of the composite thermal insulation material 1, a waterproof protective layer 3 covers the upper surface of the polytetrafluoroethylene coating 2, a transparent hydrophobic layer 4 is arranged above the waterproof protective layer 3, the anti-ultraviolet isolation layer 5 covers the transparent hydrophobic layer 4, the polytetrafluoroethylene coating 2 and the waterproof protective layer 3 are arranged to enhance the corrosion resistance and the acid resistance of the composite thermal insulation material 1 so as not to be corroded after being impacted by seawater, which is beneficial to prolonging the service life of the composite thermal insulation material 1 and the service life of the interface protected by the composite thermal insulation material 1, the transparent hydrophobic layer 4 is made of a super-hydrophobic material, the surface of the super-hydrophobic material is irregularly convex and can be observed under a microscope, the design of adding the transparent hydrophobic layer 4 on the outer surface of the composite heat-insulating material 1 is to prevent rainwater or seawater from being attached to the composite heat-insulating material 1, and is beneficial to maintaining the smoothness of the surface of the composite heat-insulating material 1.
As shown in fig. 2, the composite heat insulation material 1 includes a heat insulation filler 101, a first sealing wire frame 102, a braided connecting wire 103, a second sealing wire frame 104 and an interwoven belt 105, the first sealing wire frame 102 is arranged above the right side of the interior of the heat insulation filler 101, the braided connecting wire 103 is connected to the inner side of the first sealing wire frame 102, the outer diameter of the first sealing wire frame 102 is one tenth of the outer diameter of the heat insulation filler 101, the first sealing wire frame 102 and the braided connecting wire 103 are both connected with the heat insulation filler 101 in an embedding and sewing manner, the left side of the first sealing wire frame 102 is provided with the interwoven belt 105, the other side of the interwoven belt 105 is connected with the second sealing wire frame 104, the first sealing wire frame 102 and the second sealing wire frame 104 have the same size and structure, and the first sealing wire frame 102, the interwoven belt 105 and the second sealing wire frame 104 are integrated, the composite heat insulation material 1 further includes a blocking film 106, the heat insulation filler 101, the first sealing wire frame 102, the weaving connecting wire 103, the second sealing wire frame 104 and the interweaving belt 105 are coated with the blocking film 106, the composite heat insulation material 1 further comprises an outer cladding layer 107, the blocking film 106 is coated with the outer cladding layer 107, the composite heat insulation material 1 further comprises a positioning wire 108, the positioning wire 108 is sewn on the outer periphery of the outer cladding layer 107, the first sealing wire frame 102 and the second sealing wire frame 104 are sequentially fixed with the heat insulation filler 101 in an embedding and sewing connection mode, the inner side of the first sealing wire frame 102 is further reinforced in compactness between the heat insulation filler 101 through the weaving connecting wire 103, the composite heat insulation material 1 is ensured not to be cracked and broken when being pulled and impacted, the structural strength of the composite heat insulation material 1 can be improved, and meanwhile, the blocking film 106 formed by compounding an aluminum film and a polypropylene film in a hot-pressing mode is coated outside the heat insulation filler 101, the first sealing wire frame 102, the weaving connecting wire 103, the second sealing wire frame 104 and the interweaving belt 105 The design of (1) is to make the heat insulating filler 101, the first sealing wire frame 102, the braided connecting wire 103, the second sealing wire frame 104 and the interweaving belt 105 closely contact with each other, so as to prevent the heat insulating filler from being easily broken after being stressed.
As shown in fig. 3, the thermal insulation filler 101 includes glass wool 1011, nano-aerogel 1012 and a refractory material layer 1013, the surface of the glass wool 1011 is connected with the nano-aerogel 1012, both the top and bottom surfaces of the nano-aerogel 1012 are in a folded line-shaped structure, two nano-aerogel 1012 are symmetrically arranged about the transverse central axis of the glass wool 1011, the other surface of the nano-aerogel 1012 is covered with the refractory material layer 1013, two refractory material layers 1013 are symmetrically arranged about the transverse central axis of the glass wool 1011, the nano-aerogel 1012 and the refractory material layer 1013 are tightly attached to each other, the glass wool 1011, the nano-aerogel 1012 and the refractory material layer 1013 are supported by using a nano-composite material, the bearing capacity of the thermal insulation filler 101 is improved while the requirement of high thermal insulation and ultralow thermal conductivity is met, and the flame retardant property of the composite thermal insulation material 1 can be improved by the added refractory material layer 1013, and safety accidents caused by the approach of the fire source to the periphery are avoided.
In summary, when the composite thermal insulation material with high thermal insulation and ultralow thermal conductivity is used, firstly, according to the structure shown in fig. 1-3, the composite thermal insulation material 1 is composed of the thermal insulation filler 101, the first sealing wire frame 102, the braided connecting wire 103, the second sealing wire frame 104, the interwoven belt 105, the barrier film 106, the outer cladding 107 and the positioning wire 108, the thermal insulation filler 101 comprises the glass wool 1011, the nano-aerogel 1012 and the flame-retardant material layer 1013, the flame-retardant material layer 1013 is additionally arranged in the thermal insulation material glass wool 1011 and the nano-aerogel 1012 to enable the thermal insulation filler 101 to have the flame-retardant property and reduce the safety hazard caused by combustion, then, the outer surface of the thermal insulation filler 101 is spliced and combined with the first sealing wire frame 102 and the second sealing wire frame 104 in a sewing manner as shown in fig. 2, and the braided connecting wire 103 of the crossed structure and the interwoven belt 105 connected between the first sealing wire frame 102 and the second sealing wire frame 104 can further reinforce the thermal insulation filler 101 The tightness of connection is avoided from being broken and disconnected when being subjected to tension and impact, then the tightness among the heat insulation filler 101, the first sealing wire frame 102, the weaving connecting wire 103, the second sealing wire frame 104 and the interweaving belt 105 is improved by coating the blocking film 106 formed by compounding aluminum films and polypropylene films in a hot-pressing mode outside the heat insulation filler 101, the first sealing wire frame 102, the weaving connecting wire 103, the second sealing wire frame 104 and the interweaving belt 105 so as to prevent the heat insulation filler from being easily disconnected after being stressed, the blocking film 106 is further protected by matching an outer cladding layer 107 and a positioning line 108 outside, then the polytetrafluoroethylene coating 2 and the waterproof protective layer 3 arranged on the outer surface of the composite heat insulation material 1 can play a role in enhancing the corrosion resistance and the acid resistance of the composite heat insulation material 1 so as not to generate corrosion after being impacted by seawater, and the service lives of the composite heat insulation material 1 and a protection interface of the composite heat insulation material 1 can be prolonged, the transparent hydrophobic layer 4 is made of a super-hydrophobic material, the surface of the transparent hydrophobic layer is irregular and convex, but the transparent hydrophobic layer can be observed under a microscope, the design that the transparent hydrophobic layer 4 is additionally arranged on the outer surface of the composite heat-insulating material 1 is used for preventing rainwater or seawater from being attached to the composite heat-insulating material 1, the surface smoothness of the composite heat-insulating material 1 is favorably maintained, and finally, the ultraviolet-resistant isolating layer 5 is additionally arranged, so that ultraviolet rays in an external environment can be isolated to a certain extent, the absorption of the light rays is reduced, and the service life of the composite heat-insulating material 1 is prolonged.
Claims (9)
1. The utility model provides a compound incubation material of high thermal-insulated ultralow coefficient of heat conductivity, includes compound incubation material (1) and ultraviolet resistance isolation layer (5), its characterized in that, the top surface of compound incubation material (1) is provided with polytetrafluoroethylene coating (2), and the top surface covering of polytetrafluoroethylene coating (2) has waterproof layer (3), the top of waterproof layer (3) is provided with transparent hydrophobic layer (4), ultraviolet resistance isolation layer (5) cover in the top of transparent hydrophobic layer (4), compound incubation material (1) is including thermal-insulated filler (101), first sealed wire frame (102), weave connecting wire (103), second sealed wire frame (104) and interweave area (105), and is provided with first sealed wire frame (102) above the inside right side of thermal-insulated filler (101), the inboard of first sealed wire frame (102) links up to have and has woven connecting wire (103), and the left side of the first sealing wire frame (102) is provided with an intersection belt (105), and the other side of the intersection belt (105) is connected with a second sealing wire frame (104).
2. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity according to claim 1, wherein the thermal insulation filler (101) comprises glass wool (1011), nano-aerogel (1012) and fire-retardant material layer (1013), the nano-aerogel (1012) is connected to the surface of the glass wool (1011), and the other surface of the nano-aerogel (1012) is covered with the fire-retardant material layer (1013).
3. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity according to claim 2, wherein the top and bottom surfaces of the nano-aerogel (1012) are in a folded line-shaped structure, and two nano-aerogels (1012) are symmetrically arranged about the transverse central axis of the glass wool (1011).
4. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity as claimed in claim 2, wherein two fire-retardant material layers (1013) are symmetrically arranged about the transverse central axis of the glass wool (1011), and the nano-aerogel (1012) and the fire-retardant material layers (1013) are tightly attached.
5. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity according to claim 1, wherein the outer diameter of the first sealing wire frame (102) is one tenth of the outer diameter of the thermal insulation filler (101), and the first sealing wire frame (102) and the braided connecting wire (103) are connected with the thermal insulation filler (101) in an embedding and sewing manner.
6. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity according to claim 1, wherein the first sealing wire frame (102) and the second sealing wire frame (104) are consistent in size and structure, and the first sealing wire frame (102), the intersection belt (105) and the second sealing wire frame (104) are of an integrated structure.
7. A high thermal insulation ultra-low thermal conductivity composite thermal insulation material according to claim 1, wherein the composite thermal insulation material (1) further comprises a barrier film (106), and the exterior of the thermal insulation filler (101), the first sealing wire frame (102), the braided connecting wire (103), the second sealing wire frame (104) and the interwoven tape (105) is coated with the barrier film (106).
8. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity according to claim 7, wherein said composite thermal insulation material (1) further comprises an outer cladding (107), and the outside of said barrier film (106) is coated with the outer cladding (107).
9. The composite thermal insulation material with high thermal insulation and ultralow thermal conductivity according to claim 8, wherein the composite thermal insulation material (1) further comprises positioning lines (108), and the positioning lines (108) are sewn on the outer periphery of the outer cladding (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155686.XU CN215751185U (en) | 2021-09-07 | 2021-09-07 | Composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122155686.XU CN215751185U (en) | 2021-09-07 | 2021-09-07 | Composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient |
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| CN215751185U true CN215751185U (en) | 2022-02-08 |
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| CN202122155686.XU Active CN215751185U (en) | 2021-09-07 | 2021-09-07 | Composite thermal insulation material with high thermal insulation and ultralow heat conductivity coefficient |
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| CN (1) | CN215751185U (en) |
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- 2021-09-07 CN CN202122155686.XU patent/CN215751185U/en active Active
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