CN115585389A - Low-temperature container heat insulation structure and calculation method thereof - Google Patents
Low-temperature container heat insulation structure and calculation method thereof Download PDFInfo
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- CN115585389A CN115585389A CN202211290951.8A CN202211290951A CN115585389A CN 115585389 A CN115585389 A CN 115585389A CN 202211290951 A CN202211290951 A CN 202211290951A CN 115585389 A CN115585389 A CN 115585389A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/04—Vessels not under pressure with provision for thermal insulation by insulating layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- F17C3/02—Vessels not under pressure with provision for thermal insulation
- F17C3/10—Vessels not under pressure with provision for thermal insulation by liquid-circulating or vapour-circulating jackets
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0308—Radiation shield
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0362—Thermal insulations by liquid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0375—Thermal insulations by gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0391—Thermal insulations by vacuum
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Theoretical Computer Science (AREA)
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- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a low-temperature container heat insulation structure and a calculation method thereof, wherein the low-temperature container heat insulation structure comprises a spherical outer container and an inner container, the outer container is wrapped by the inner container and hermetically arranged, a heat insulation layer is arranged between the inner container and the outer container, the inner container internally comprises an upper gas-phase interlayer space and a lower liquid-phase interlayer space, the upper gas-phase interlayer space comprises a saturated vapor layer and a gas-liquid coexisting layer, and the lower liquid-phase interlayer space comprises a first liquid layer, a second liquid layer and a third liquid layer; the outer container and the inner container are eccentrically arranged, and the inner container forms a structure with different thicknesses, wherein the distance from the gas phase interlayer space at the upper part to the liquid phase interlayer space at the lower part is gradually increased. The invention effectively reduces energy loss and reduces the material consumption of raw materials.
Description
Technical Field
The invention relates to the technical field of complete heat insulation and preservation low-temperature containers arranged between an inner container body and an outer container body with double layers, in particular to a heat insulation structure of a low-temperature container and an iterative calculation method of heat transfer quantity.
Background
At present, for a double-layer heat-preservation low-temperature heat-insulation container, the average area, the average temperature difference and the average heat input quantity of an inner container and an outer container are taken in the prior art, and the calculation precision is low, so that the calculation result is inaccurate. Because the amount of liquid evaporated by the container every day is different, the safe discharge amount is roughly calculated, and potential safety hazards exist. And the liquid vaporization amount cannot be accurately calculated aiming at different liquid storage amounts in the container. The heat insulating layer is arranged with the same thickness, so that the thickness of the heat insulating layer required in the container and between each gas-liquid layer can not be realized, and the heat insulating material is wasted.
Disclosure of Invention
The invention aims to solve the existing problems and provides a low-temperature container heat insulation structure and a calculation method thereof, wherein the low-temperature container heat insulation structure comprises a spherical outer container and an inner container, the outer container is arranged by enveloping the inner container in a sealing way, a heat insulation layer is arranged between the inner container and the outer container, the inner container comprises an upper gas-phase interlayer space and a lower liquid-phase interlayer space, the upper gas-phase interlayer space comprises a saturated vapor layer and a gas-liquid coexisting layer, and the lower liquid-phase interlayer space comprises a first liquid layer, a second liquid layer and a third liquid layer; the outer container and the inner container are eccentrically arranged, and the inner container forms a structure with different thicknesses, wherein the distance from the gas phase interlayer space at the upper part to the liquid phase interlayer space at the lower part is gradually increased. The invention effectively reduces energy loss and reduces the material consumption of raw materials.
The technical scheme adopted by the invention is as follows:
the invention discloses a low-temperature container heat insulation structure, which comprises a spherical outer container and an inner container, wherein the outer container is wrapped by the inner container and is arranged in a sealing manner, a heat insulation layer is arranged between the inner container and the outer container, the inner container internally comprises an upper gas-phase interlayer space and a lower liquid-phase interlayer space, the upper gas-phase interlayer space comprises a saturated vapor layer and a gas-liquid coexisting layer, and the lower liquid-phase interlayer space comprises a first liquid layer, a second liquid layer and a third liquid layer; the heat insulation layer envelops the inner container, the outer container and the inner container are eccentrically arranged, and the inner container forms a structure with different thicknesses, wherein the distance from the gas-phase interlayer space at the upper part to the liquid-phase interlayer space at the lower part is gradually increased.
The invention discloses a calculation method of a low-temperature container heat insulation structure, which comprises an iterative calculation method, wherein the iterative calculation method comprises a spherical outer container and an inner container, a heat insulation layer is covered on the inner container, the inner container comprises an upper gas-phase interlayer space and a lower liquid-phase interlayer space, low-temperature liquid is arranged in the liquid-phase interlayer space, the low-temperature liquid is actually distributed according to the ratio of the value of the vaporization of the low-temperature liquid into steam to the total amount of the stored liquid every day, and the layered iterative calculation is carried out from the upper gas-phase interlayer space to the lower liquid-phase interlayer space to achieve equal input heat of each layer per unit area.
Further, the iterative calculation method includes calculating a heat transfer formula of the heat insulating layer, wherein the heat transfer formula of the heat insulating layer is Q = lambda A delta T/delta, Q-unit area heat transfer quantity, lambda-heat conduction coefficient, A-heat transfer area, delta T-heat conduction temperature difference and delta-heat insulating layer thickness.
Further, the heat insulation layer comprises a radiation screen and a spacer, the outer surface of the inner container is filled and wound with a plurality of layers of radiation screens and spacers, and a vacuum pumping device is adopted, and the heat insulation layer forms a heat insulation barrier for the interlayer space of the inner container and the outer container.
Further, the inner container stores low-temperature liquid, the outer container protects a heat insulation layer to form a vacuum heat insulation cavity, and the heat insulation layer comprises a radiation screen and a spacer to form a composite heat insulation layer with structures with different thicknesses.
Further, the upper gas-phase interlayer space comprises a saturated vapor layer and a gas-liquid coexisting layer, and the lower liquid-phase interlayer space comprises a first liquid layer, a second liquid layer and a third liquid layer; the heat transfer areas and the temperature differences of the saturated steam layer, the gas-liquid coexisting layer, the first liquid layer, the second liquid layer and the third liquid layer and the number of the corresponding radiation screens and spacers are respectively determined, the input value of each layer of heat is accurately calculated, and the purpose that the input heat of each layer per unit area is equal is achieved.
Further, be provided with the compound heat insulation layer of thickness isotructure on the inner container, including saturated steam layer, gas-liquid coexistence layer, first liquid layer, second liquid layer and third liquid layer in the inner container, set up the number of piles phase-match of layer temperature and radiation screen and spacer of each layer.
Further, the low-temperature container comprises a skirt which is connected with the outer base and supports the heat insulation structure of the low-temperature container, and the skirt is arranged on the bottom surface of the outer container.
The invention has the following technical effects:
the invention discloses a low-temperature container heat insulation structure and a calculation method thereof, which accurately calculate the input values of the heat of each layer of a stored low-temperature liquid gas layer, a gas-liquid coexisting layer and a liquid layer, finally achieve the aim that the input heat of each layer is equal in unit area, and the layer temperature is matched with the layer number of a radiation screen and a spacer. The method effectively solves the problems that the amount of stored liquid is reduced and the amount of liquid vaporized into steam is increased every day due to the temperature difference among layers in the use process of the low-temperature liquid stored in the low-temperature container; the problem that the safe discharge requirement of the container is difficult to guarantee due to the fact that the input heat in unit area is unequal is solved; the number of layers of different radiation screens and spacers is set according to different layer requirements, and waste of interlayer heat insulation materials is avoided. The calculation of different heat transfer of each layer temperature is solved.
Drawings
FIG. 1 is a schematic view of an adiabatic structure of a cryogenic vessel according to the present invention;
FIG. 2 is a schematic view of the structure of the thermal insulation layer of the present invention;
the labels in the figure are: 1-atmosphere layer, 2-saturated steam layer, 3-gas-liquid coexisting layer, 4-first liquid layer, 5-second liquid layer, 6-third liquid layer, 7-bottom surface of outer container, 8-skirt, 9-heat insulating layer, 901-radiation screen, 902-spacer, 10-inner container and 11-outer container.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
In the embodiment, the adopted data is a preferred scheme, but is not used for limiting the invention;
example 1
As shown in fig. 1-2, the present embodiment provides a thermal insulation structure of a cryogenic vessel, comprising a spherical outer vessel 11 and an inner vessel 10, wherein the outer vessel 11 is hermetically sealed around the inner vessel 10, a thermal insulation layer 9 is arranged between the inner vessel 10 and the outer vessel 11, the inner vessel 10 comprises an upper gas-phase interlayer space and a lower liquid-phase interlayer space, the upper gas-phase interlayer space comprises a saturated vapor layer 2 and a gas-liquid coexisting layer 3, and the lower liquid-phase interlayer space comprises a first liquid layer 4, a second liquid layer 5 and a third liquid layer 6; the heat insulation layer 9 envelops the inner container 10, the outer container 11 and the inner container 10 are eccentrically arranged, and the inner container 10 forms a structure with different thicknesses, wherein the distance from the upper gas phase interlayer space to the lower liquid phase interlayer space is gradually increased.
In this embodiment, different thermal insulation methods and different thicknesses of the thermal insulation layer 9 are adopted for different temperature fields, so that the thermal insulation requirement of each temperature field can achieve an equivalent thermal insulation effect, and the minimization of daily evaporation loss can be ensured.
In this embodiment, it is preferable that a main body ring is included between the inner container 10 and the outer container 11, and the main body ring is provided as a welding structure.
In this embodiment, the inner container 10 stores cryogenic liquid, the outer container 11 protects the heat insulating layer 9 to form a vacuum heat insulating cavity, the heat insulating layer 9 comprises a radiation screen 901 and a spacer 902 to form a composite heat insulating layer 9 with a structure with different thickness, and the heat insulating layer 9 is a heat insulating barrier for the interlayer space between the inner container 10 and the outer container 11, so that the height of the cryogenic heat insulating container is effectively reduced, and the transportation cost, space and material are saved.
In this embodiment, the composite heat insulating layer 9 with a structure with different thicknesses is arranged on the inner container 10, the inner container 10 includes a saturated vapor layer 2, a gas-liquid coexisting layer 3, a first liquid layer 4, a second liquid layer 5 and a third liquid layer 6, and the layer temperature of each layer is set to match the layer number of the radiation screen 901 and the spacer 902; the problem that the amount of the stored liquid is reduced in the using process of the low-temperature liquid stored in the low-temperature container, and the amount of the liquid vaporized into steam is increased every day is solved; namely, the composite heat insulation layer 9 with the unequal thickness structure is arranged, so that the problems that the input heat per unit area is unequal and the safe discharge requirement of the container is difficult to ensure are solved.
In the embodiment, the skirt base 8 is arranged, the skirt base 8 is connected with an outer base and supports the low-temperature container heat insulation structure, and the skirt base 8 is arranged on the bottom surface 7 of the outer container 11; the skirt 8 is a support structure of a low-temperature container heat insulation structure, and preferably, a glass fiber reinforced plastic transition structure is arranged in the support structure.
In the present embodiment, the inner container 10 and the outer container 11 of the heat insulating structure of the low-temperature container are eccentrically disposed, and the thickness of the heat insulating structure of the saturated vapor layer 2, the gas-liquid coexisting layer 3, the first liquid layer 4, the second liquid layer 5, and the third liquid layer 6 is required to be gradually increased.
In this embodiment, the heat insulating structure of the low temperature container is designed to determine the interlayer temperature by grasping the medium filled in the inner container 10 and to control the distance between the interlayer spaces between the inner container 10 and the outer container 11 so as to optimize the interlayer distance, to select the heat insulating material in the interlayer heat insulating chamber between the inner and outer containers, and to control the degree of vacuum. The number of layers of the radiation screens 901 and the spacers 902 is determined by calculation.
Example 2
As shown in fig. 1-2, the present embodiment provides a calculation method for the thermal insulation structure of a cryogenic container, which includes an iterative calculation method, including a spherical outer container 11 and an inner container 10, the inner container 10 is covered with a thermal insulation layer 9, the inner container 10 includes an upper gas-phase interlayer space and a lower liquid-phase interlayer space, and the iterative calculation is performed in a layered manner from the upper gas-phase interlayer space to the lower liquid-phase interlayer space, so as to achieve equal input heat per unit area, according to the ratio of the value of vaporization of the cryogenic liquid into vapor per day to the total amount of the stored liquid, and according to the actual distribution of the cryogenic liquid contained in the inner container 10.
In this embodiment, adopt compound adiabatic structure and temperature field ladder iteration adiabatic calculation method, classify, respectively the pertinence design to adiabatic cavity, according to the medium temperature distribution condition in the container, adopt different adiabatic modes and structure to carry out adiabatic protection, reduce the cost, reduce the energy consumption, realize the beneficial effect of environmental protection.
In this embodiment, the iterative calculation method includes calculating a heat transfer formula of the heat insulating layer 9, where the heat transfer formula of the heat insulating layer 9 is Q = λ a Δ T/δ, Q-heat transfer amount per unit area, λ -thermal conductivity, a-heat transfer area, Δ T-thermal conduction temperature difference, δ -heat insulating layer thickness.
Further, in the present embodiment, the low temperature container includes an atmosphere layer 1, and the heat transfer path of the heat insulating structure of the low temperature container is that the outer container 11 in the atmosphere layer 1 absorbs heat and transfers the heat to the micro gas in the interlayer, and the radiation screen 901 and the spacer 902 which are transferred to the heat insulating layer 9 by radiation are inputted to the inner container 10 and transferred to the low temperature liquid, so that the vaporization temperature of the liquid is raised. The heat transfer quantity of the heat transfer path is in direct proportion to the surface area of the container, in inverse proportion to the thickness of the heat transfer layer and in direct proportion to the temperature difference between cold and hot temperatures.
In this embodiment, the heat insulating layer 9 includes radiation screens 901 and spacers 902, the outer surface of the inner container 10 is filled and wound with a plurality of layers of radiation screens 901 and spacers 902, and a vacuum pumping arrangement is adopted, and the heat insulating layer 9 forms a heat insulating barrier for the interlayer space between the inner container 10 and the outer container 11, so that the height of the low-temperature heat insulating container is effectively reduced, the transportation cost is reduced, and the space and the materials are saved.
In this embodiment, the upper gas-phase interlayer space includes a saturated vapor layer 2 and a gas-liquid coexisting layer 3, and the lower liquid-phase interlayer space includes a first liquid layer 4, a second liquid layer 5, and a third liquid layer 6; the heat transfer areas and the temperature differences of the saturated steam layer 2, the gas-liquid coexisting layer 3, the first liquid layer 4, the second liquid layer 5 and the third liquid layer 6 and the number of the corresponding radiation screen 901 and spacer 902 are respectively determined, the input value of the heat of each layer is accurately calculated, and the input heat of each layer per unit area is equal.
In the embodiment, the composite heat insulation layer 9 is arranged by adopting the iterative calculation method, so that the problem that the amount of the stored liquid in the low-temperature container is reduced in the using process, and the amount of the liquid vaporized into steam is increased every day is solved; the problem that the safe discharge requirement of the container is difficult to ensure due to the fact that the input heat in unit area is unequal is solved; the number of layers of the radiation screen 901 and the spacer 902 is set according to different layer requirements, and waste of interlayer heat insulation materials is avoided. The calculation of different heat transfer of layer temperature is solved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. A low-temperature container heat insulation structure comprises a spherical outer container and an inner container, wherein the outer container is wrapped by the inner container and is arranged in a sealing mode, and a heat insulation layer is arranged between the inner container and the outer container; the heat insulation layer envelops the inner container, the outer container and the inner container are eccentrically arranged, and the inner container forms a structure with different thicknesses, wherein the distance from the gas phase interlayer space at the upper part to the liquid phase interlayer space at the lower part is gradually increased.
2. A calculation method of a low-temperature container heat insulation structure is characterized by comprising an iterative calculation method, wherein the iterative calculation method comprises a spherical outer container and an inner container, a heat insulation layer covers the inner container, the inner container comprises an upper gas-phase interlayer space and a lower liquid-phase interlayer space, low-temperature liquid is arranged in the liquid-phase interlayer space, the low-temperature liquid is actually distributed according to the ratio of the value of vapor generated by the low-temperature liquid in each day to the total amount of stored liquid, and the layered iterative calculation is carried out from the upper gas-phase interlayer space to the lower liquid-phase interlayer space to achieve equal input heat of each layer in unit area.
3. The method of claim 2, wherein the iterative calculation method comprises calculating a heat transfer formula for the thermal insulation layer, the heat transfer formula for the thermal insulation layer being Q = λ a Δ T/δ, Q-heat transfer per unit area, λ -thermal conductivity, a-heat transfer area, Δ T-thermal conduction temperature difference, δ -insulation layer thickness.
4. The method of claim 3, wherein the insulation layer comprises radiation shields and spacers, the outer surface of the inner container is filled with and wrapped with several layers of radiation shields and spacers, and a vacuum is applied, and the insulation layer forms a thermal barrier for the interlayer space between the inner container and the outer container.
5. The insulated structure of cryogenic container of claim 1, wherein the inner vessel stores cryogenic liquid and the outer vessel protects an insulating layer forming a vacuum insulated cavity, the insulating layer comprising a radiant screen and spacers forming a composite insulating layer of varying thickness.
6. The method of calculating a thermal insulation structure of a cryogenic vessel according to claim 4, wherein the upper gas-phase interlayer space comprises a saturated vapor layer and a gas-liquid coexisting layer, and the lower liquid-phase interlayer space comprises a first liquid layer, a second liquid layer and a third liquid layer; the heat transfer areas and the temperature differences of the saturated steam layer, the gas-liquid coexisting layer, the first liquid layer, the second liquid layer and the third liquid layer and the number of the corresponding radiation screen and spacer are respectively determined, the input value of the heat of each layer is accurately calculated, and the purpose that the input heat of each layer in unit area is equal is achieved.
7. The thermal insulation structure of the low-temperature container according to claim 5, wherein the inner container is provided with a composite thermal insulation layer having a structure with different thickness, the inner container comprises a saturated vapor layer, a gas-liquid coexisting layer, a first liquid layer, a second liquid layer and a third liquid layer, and the layer temperature of each layer is set to match the layer number of the radiation screen and the spacer.
8. The insulating structure for a low-temperature vessel according to claim 7, comprising a skirt attached to an outer base for supporting the insulating structure for a low-temperature vessel, the skirt being attached to a bottom surface of the outer vessel.
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| CN202211290951.8A CN115585389A (en) | 2022-10-21 | 2022-10-21 | Low-temperature container heat insulation structure and calculation method thereof |
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| CN202211290951.8A CN115585389A (en) | 2022-10-21 | 2022-10-21 | Low-temperature container heat insulation structure and calculation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116796532A (en) * | 2023-06-21 | 2023-09-22 | 兰州理工大学 | Multilayer heat insulation design system for low-temperature heat insulation container |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116796532A (en) * | 2023-06-21 | 2023-09-22 | 兰州理工大学 | Multilayer heat insulation design system for low-temperature heat insulation container |
| CN116796532B (en) * | 2023-06-21 | 2024-04-05 | 兰州理工大学 | Multilayer heat insulation design system for low-temperature heat insulation container |
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