CN216330657U - Surface-reinforced flame-retardant composite low-temperature heat-insulation structure - Google Patents
Surface-reinforced flame-retardant composite low-temperature heat-insulation structure Download PDFInfo
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- CN216330657U CN216330657U CN202122833887.0U CN202122833887U CN216330657U CN 216330657 U CN216330657 U CN 216330657U CN 202122833887 U CN202122833887 U CN 202122833887U CN 216330657 U CN216330657 U CN 216330657U
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Abstract
The application discloses fire-retardant compound low temperature insulation construction is reinforceed on surface, insulation construction is by supreme conventional heat preservation, fire-retardant heat preservation and the outer inoxidizing coating of having arranged in proper order down, conventional heat preservation comprises arbitrary one in polyurethane, polyisocyanate and the polystyrene, fire-retardant heat preservation comprises arbitrary one in rubber and plastic, rock wool and the aerogel, outer inoxidizing coating is arbitrary one in galvanized steel sheet and the corrosion resistant plate. The application of insulation construction the insulation construction of this application is applicable to ultra-low temperature cargo tank or liquid cargo pipeline heat preservation field, under the limited condition in insulation thickness and space, compromises fire-retardant effect when guaranteeing the heat preservation effect through increasing fire-retardant heat preservation, has guaranteed heat retaining effect under the condition in limited space.
Description
Technical Field
The utility model relates to a novel surface-reinforced flame-retardant composite low-temperature heat-insulation structure which is suitable for the field of heat insulation of an ultralow-temperature liquid cargo tank or a liquid cargo pipeline.
Background
The heat insulation material has the advantages that a use scene often exists in the field of heat insulation of ultra-low temperature liquid cargo holds or liquid cargo pipelines, the heat insulation performance of the heat insulation material is high when the cargo holds and the pipelines are in an ultra-low temperature state, and meanwhile, the stored liquid cargo is combustible and explosive media such as liquefied natural gas, liquefied ethylene, liquefied petroleum gas and the like, and the requirements on fire prevention and flame retardant safety are high. Meanwhile, the construction and installation space is limited, the requirement on the whole heat insulation system is high, and the requirement of the integral heat insulation system needs to meet the MED regulation of the European Union.
The heat preservation structure that current ultra-low temperature cargo tank or liquid cargo pipeline adopted keeps warm the field as follows: in the economical consideration, the general heat insulation materials such as polyurethane, polyisocyanate and polystyrene are generally adopted, the heat insulation effect is good, but the fireproof and flame-retardant effects are poor, the operation temperature is only suitable within 80 ℃, and the short time is not more than 120 ℃. The flame retardant effect is better by using rubber and plastic materials, the operating temperature can reach 150 ℃, and the heat preservation effect is slightly poor. The aerogel coiled material with the best flame-retardant effect can meet the temperature range of-196 ℃ to 750 ℃, has good heat preservation effect, but is high in price, the thickness of each layer can only reach 10mm due to process limitation, and the aerogel coiled material needs to be coiled in multiple layers when being used alone, so that the total cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel surface-reinforced flame-retardant composite low-temperature heat-insulation structure to overcome the defects in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire-retardant compound low temperature insulation construction is reinforceed on surface, insulation construction is by the lower supreme conventional heat preservation, fire-retardant heat preservation and the outer inoxidizing coating of having arranged in proper order, conventional heat preservation comprises arbitrary one in polyurethane, polyisocyanate and the polystyrene, fire-retardant heat preservation comprises arbitrary one in rubber and plastic, rock wool and the aerogel, outer inoxidizing coating is arbitrary one in galvanized steel board and the corrosion resistant plate.
Preferably, the flame-retardant insulating layer is bonded on the conventional insulating layer through low-temperature glue.
Preferably, the flame-retardant heat-insulating layer is bound and fixed on the conventional heat-insulating layer through an aluminum foil adhesive tape or a stainless steel wire.
Compared with the prior art, the insulation construction of this application is applicable to ultra-low temperature cargo tank or liquid cargo pipeline heat preservation field, under the limited circumstances in insulation thickness and space, compromises fire-retardant effect when guaranteeing the heat preservation effect through increasing fire-retardant heat preservation, has guaranteed heat retaining effect under the condition in limited space.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of a novel surface-enhanced flame-retardant composite low-temperature insulation structure according to an embodiment of the present invention;
wherein: 1. a tank body; 2. a conventional insulating layer; 3. a flame-retardant insulating layer; 4. an outer jacket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Combine figure 1 to show, a fire-retardant compound low temperature insulation construction of surface strengthening, insulation construction is by supreme conventional heat preservation 2, fire-retardant heat preservation 3 and the outer inoxidizing coating 4 of having arranged in proper order down, conventional heat preservation 2 comprises arbitrary one in polyurethane, polyisocyanate and the polystyrene, fire-retardant heat preservation 3 comprises arbitrary one in rubber and plastic, rock wool and the aerogel, outer inoxidizing coating 4 is arbitrary one in galvanized steel sheet and the corrosion resistant plate.
In the technical scheme, the heat preservation effect and the flame retardant effect are guaranteed under the condition of a limited space through the conventional heat preservation layer 2, the flame retardant heat preservation layer 3 and the outer protection layer 4 which are arranged on the surface of the tank body 1.
Preferably, the flame-retardant insulating layer is bonded on the conventional insulating layer through low-temperature glue.
Preferably, the flame-retardant heat-insulating layer is bound and fixed on the conventional heat-insulating layer through an aluminum foil adhesive tape or a stainless steel wire.
The construction method of the heat insulation structure specifically comprises the following steps:
and starting heat preservation construction outside the low-temperature tank body/pipeline 1. The construction of the conventional insulating layer 2 is firstly carried out, then the construction of the flame-retardant insulating layer 3 is carried out on the outer side of the conventional insulating layer 2, and finally the outer protective layer 4 is covered. The conventional heat-insulating layer 2 can be made of materials such as polyurethane, polyisocyanate and polystyrene, the flame-retardant heat-insulating layer 3 can be made of materials such as rubber and plastic, rock wool and aerogel felt, the aerogel felt is preferably selected, the heat-insulating effect is excellent, the heat-insulating layer has hydrophobic property, condensation and icing are avoided, and the heat-insulating layer can bear the high temperature of 750 ℃ at most. The flame-retardant heat-insulating layer 3 can be bonded on the conventional heat-insulating layer 2 through low-temperature glue or can be bound on the conventional heat-insulating layer 2 through machinery such as an aluminum foil tape, a stainless steel wire and the like. The outer protective layer 4 can be made of galvanized steel plate, stainless steel plate and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.
Claims (3)
1. The utility model provides a fire-retardant compound low temperature insulation construction is reinforceed to surface which characterized in that: the insulation structure is by supreme conventional heat preservation, the fire-retardant heat preservation of having arranged in proper order down and outer inoxidizing coating, conventional heat preservation comprises arbitrary one in polyurethane, polyisocyanate and the polystyrene, fire-retardant heat preservation comprises arbitrary one in rubber and plastic, rock wool and the aerogel, outer inoxidizing coating is in galvanized steel sheet and the arbitrary one in the corrosion resistant plate.
2. The surface-reinforced flame-retardant composite low-temperature heat-insulation structure according to claim 1, characterized in that: the flame-retardant heat-insulating layer is bonded on the conventional heat-insulating layer through low-temperature glue.
3. The surface-reinforced flame-retardant composite low-temperature heat-insulation structure according to claim 1, characterized in that: the flame-retardant heat-insulating layer is bound and fixed on the conventional heat-insulating layer through an aluminum foil adhesive tape or a stainless steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122833887.0U CN216330657U (en) | 2021-11-18 | 2021-11-18 | Surface-reinforced flame-retardant composite low-temperature heat-insulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122833887.0U CN216330657U (en) | 2021-11-18 | 2021-11-18 | Surface-reinforced flame-retardant composite low-temperature heat-insulation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216330657U true CN216330657U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202122833887.0U Active CN216330657U (en) | 2021-11-18 | 2021-11-18 | Surface-reinforced flame-retardant composite low-temperature heat-insulation structure |
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| Country | Link |
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| CN (1) | CN216330657U (en) |
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2021
- 2021-11-18 CN CN202122833887.0U patent/CN216330657U/en active Active
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