CN110406800A - A kind of Medical low-temperature storage device with fire-proof function - Google Patents
A kind of Medical low-temperature storage device with fire-proof function Download PDFInfo
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- CN110406800A CN110406800A CN201810388481.6A CN201810388481A CN110406800A CN 110406800 A CN110406800 A CN 110406800A CN 201810388481 A CN201810388481 A CN 201810388481A CN 110406800 A CN110406800 A CN 110406800A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
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- A—HUMAN NECESSITIES
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- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
- B65D81/3476—Packages provided with an electrical circuit, e.g. resistances, for heating the contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3802—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a barrel or vat
- B65D81/3806—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a barrel or vat formed with double walls, i.e. hollow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3802—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a barrel or vat
- B65D81/3811—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container in the form of a barrel or vat formed of different materials, e.g. laminated or foam filling between walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
- B65D81/3818—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed with double walls, i.e. hollow
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
- B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
- B65D81/3823—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of different materials, e.g. laminated or foam filling between walls
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Abstract
The present invention relates to a kind of Medical low-temperature storage device with fire-proof function, the storage device is mainly used for article such as drug for needing constant temperature to store in medical space etc. or bioactive substance such as biological detection sample etc., it can maintain for a long time the cryogenic temperature in storage device constant, from the variation and influence of ambient temperature, article can be guaranteed to store simultaneously quality does not change during transmission transhipment etc. or in the case where lacking temperature control device, the storage and long-distance transportation etc. suitable for medical article have both fire-proof function.
Description
Technical field
The present invention relates to a kind of Medical low-temperature storage device with fire-proof function, the storage device are mainly used for medical field
In need article such as drug of low-temp storage etc. or bioactive substance such as biological detection sample etc., can maintain for a long time
Low temperature in storage device is constant, from the variation and influence of ambient temperature, to guarantee that deposit quality does not become
Change, storage and long-distance transportation etc. suitable for medical article.
Background technique
Medical article such as drug, bioactive substance (biological detection sample etc.) needs depositing in specific temperature all the time
It can be played by, which saving under the conditions of storage, should effect, but go bad because ambient temperature variation often will lead to above-mentioned material
Failure, and then its using effect is influenced, or even poison.And current storing mode relies primarily on thermostatic chamber and is stored, i.e., it is logical
Crossing the temperature control equipments such as air-conditioning makes interior in opposite temperature constant state, but this mode is dependent on the large-scale temperature adjusting such as air-conditioning
Equipment cost is higher, and in the case where lacking above-mentioned large-scale temperature control equipment and supporting, when in face of medical article road farther out
Transhipment transport and electric power facility not perfect situation when, need the medical article of constant temperature low-temp storage way risk can it is obvious on
Rise, and transported by the haulage vehicle with temperature control equipment, higher cost, and when have and can not use above-mentioned vehicle and equipment
The case where occur.It can be seen that designing a kind of storage device for getting rid of the large-scale temperature control device that places one's entire reliance upon at present just can solve above-mentioned ask
It inscribes, that is, one kind is needed the maintenance of longer time can to store the temperature of article in one under conditions of being detached from large-scale temperature control device
Device in constant low temperature temperature range.
Summary of the invention
The purpose of the present invention is intended to provide a kind of independent of the remote constant temperature low temperature transmission medical treatment of large-scale temperature control device energy
The storage device of article occurs quality to avoid the medical article for needing constant temperature to store and changes.
To achieve the goals above, the present invention adopts the following technical scheme: the present invention provide it is a kind of with fire-proof function
Medical low-temperature storage device comprising device top and apparatus main body；Described device main body includes at least two layers of cavity shell, institute
Stating two layers of cavity shell is that the first cavity shell and the second cavity shell, above-mentioned shell consist of metal, and the metal is aluminium conjunction
Gold or medical stainless steel；The first cavity shell hollow cavity contains cool storage material, sets in the second cavity shell hollow cavity
It is set to vacuum；There is insulating layer, the second cavity hull outside and the insulating layer use on the outside of the second cavity housing hollow
Adhesive bonding or mechanical snap；Further include fireprotection layer outside the insulating layer, fire proofing firbre cloth and stone are contained in the fireprotection layer
Ink uses adhesive bonding or mechanical snap between insulating layer and fireprotection layer.
The cool storage material includes following raw material: potassium chloride, deionized water, n-heptanol, ammonium chloride, zeolite, above-mentioned raw materials
Content in parts by weight, 15-26 parts, 5-10 parts, 10-20 parts, 15-20 parts, 12-22 parts；The metal thickness is 0.2-
1cm；
The preparation of the cool storage material includes the following steps: a, the potassium chloride for weighing the content respectively, deionized water, positive heptan
Alcohol, ammonium chloride, which are added in container, is mixed 35-60min formation mixture through sonic oscillation at 65-90 DEG C；It b, again will be above-mentioned
Mixture is entered by vacuum suction obtains the cool storage material in zeolite.
Since apparatus main body uses the structure of double-layer vacuum cavity shell and external setting insulating layer, thermal insulation property is obtained
It is promoted to great, while apparatus main body is higher using metal structure intensity, and metallic walls are relatively thin also the case where ensuring intensity
Under mitigate installation weight, more particularly, the present invention joined cool storage material in above-mentioned cavity, and above-mentioned cool storage material
It is made of using potassium chloride composite phase-change material, potassium chloride, n-heptanol etc. itself have the characteristics that phase-change accumulation energy, that is, pass through solid-liquid
The phase co-conversion of phase completes energy storage and energy release process and maintains temperature in lower low temperature range, but uses potassium chloride (nothing merely
Machine phase-change material) it is used as phase-change material to there is very big drawback, it is easy to happen in low temperature and mutually separates, use organic phase-change merely
Then thermal conductivity is smaller for material, and use temperature range is relatively narrow to have limitation, it turns by solid-liquid phase change repeatedly after long-time use
It changes and is easy to appear separation, and remain and solidify with adhesions such as chamber walls, while its own can also volatilize, so that energy storage material be made to go out
It is now lost, reduces its service life, in order to overcome drawbacks described above, the application first avoids waving for cool storage material using vacuum
Hair, also improve with extraneous heat-proof quality, while by it is inorganic it is compound with organic phase change material improve heat conductivity, described in promotion
The energy storage efficiency of cool storage material also avoids the multi_layer extraction phenomenon occurred after phase-change material solidifies repeatedly, in addition expands phase
Become the use temperature range of material, and in order to avoid the adhesion with cavity wall, the present invention has then using zeolite as carrier using it
The cool storage material is adsorbed in zeolite to which to efficiently solve cool storage material easy to stick with cavity wall by the characteristics of porous network structure
Even the problem of, avoids the case where energy storage efficiency caused by the loss of cool storage material after repeated use is greatly reduced, also keeps away
Having exempted from bring liquid after phase-change material is changed into liquid in container, to the impact flow of device, the present invention passes through to be studied repeatedly
Experiment has determined the raw material of mentioned kind, with when technique and parameter.
The present invention is further preferred, and the modified processing of zeolite, the modification includes the following steps, a, by graphite
100-150 parts of deionized water ultrasonic disperses are added in 15-20 parts of alkene (by weight), form graphene dispersing solution；B, body is pressed again
The zeolite is immersed in above-mentioned dispersion liquid by product than 1:2, and dip time is 15-20 hours, and dipping temperature is that 40-55 is Celsius
Degree；C, drying and processing is finally carried out.
In use, inventor also found the cold-storage that the heat-conducting effect for further promoting zeolite can design the present invention
Material generates more excellent effect, through repeatedly practising and screen finally determine the use of graphene dipping mode handle it is described
Zeolite support, graphene itself has excellent heat conductivity, but there are obstacles for graphene uniform dispersion, therefore the present invention passes through
Dipping is attached to graphene uniform in Zeolite support, also improves the intensity of zeolite and corrosion-resistant additionally by aforesaid way
Property, research experiment has obtained final material rate and technological parameter to inventor repeatedly.
The present invention is further preferred, and two layers of cavity shell is included at least at the top of described device, and above-mentioned shell consists of metal,
The metal is aluminium alloy or medical stainless steel, and two layers of cavity enclosure interior is set as vacuum.Or at the top of described device
Its structure and composition is identical as described device main body.In addition, article storage entrance of the present invention is as needed in addition to top except being arranged
Also it can be set on the side wall of other positions such as apparatus main body.
In practical applications, storage device of the present invention can be placed in the place of article required temperature to be stored to storage
Cold material carries out energy storage, and when being detached from above-mentioned place, the cool storage material in device is maintained by absorbing or releasing energy
Temperature in device is in relative constant state.
The present invention is further preferred, and the first cavity shell is to be flexibly connected with the second cavity shell, and described first is empty
Cavity shell detachably takes out, and the energy storage of cool storage material is realized by external heating or cold-storage.
The present invention is further preferred, and storage device of the present invention further includes heating element or refrigeration part, above-mentioned component
It is preferred that may be provided between the first cavity shell and the second cavity shell；It is preferred that the first cavity shell and the second cavity shell
In be provided with temperature sensor, temperature sensor is connected with heating element or refrigeration part；It is preferred that the storage device further includes
Electric energy provides component, and electric energy provides component and is connected with temperature sensor and heating element or refrigeration part, electric energy offer portion
Part is external power supply socket or internal cell group interface.
By adding the equipment such as above-mentioned electric energy and sensor, apparatus of the present invention can the longer time the temperature maintained in device
In low-temperature stabilization state.The sensor, heating element, power supply etc. can be used commercial product or obtained by the prior art
It arrives.
The technology of the present invention effect
Apparatus of the present invention main body is using double-layer vacuum cavity shell and the external structure that insulating layer is arranged, thermal insulation property and device
Main body intensity is higher, and metallic walls are relatively thin to mitigate installation weight；The present invention can be in passive (when i.e. unregulated power is supported) item
Maintain the temperature in device constant in a certain range in a long time under part, the present invention joined utilization in the cavity
Cool storage material made of potassium chloride composite phase-change material promotes the efficiency of the energy storage of the cool storage material, avoids phase-change material
The multi_layer extraction phenomenon occurred after solidifying repeatedly, expands its use temperature range, using zeolite as carrier, efficiently solves storage
The problem of cold material and cavity wall easy adhesion, energy storage efficiency is substantially caused by avoiding the loss of cool storage material after repeated use
The case where reduction, while also there is fire proof construction.In addition the present invention has made modification to zeolite, passes the carrier of phase-change material
Hot durability etc. be improved significantly, the application field of zeolite is also obviously widened after modification, in road, building, medical treatment
Application prospect is extensive in terms of equal materials.
It is operated normally in 0 degree Celsius-subzero 20 degree Celsius range using storage device of the invention, it can be in passive situation
Lower its low temperature steady temperature time of maintenance will be more than 90 hours, and use the storage dress of commercially available ordinary construction (with heat insulation layer)
It sets and maintains steady temperature then within 3 hours, when temperature is there are when larger drop, then of the invention in ambient temperature and device
Device advantage becomes apparent；If the present apparatus is provided with electric energy temperature control device simultaneously, can begin in the continual situation of power supply
Cryogenic thermostat state is kept eventually, while apparatus structure of the present invention design is easy to be easy to maintain, raw material and preparation cost are opposite
It is lower.
Table one is apparatus of the present invention and the general device performance table of comparisons
| The cryogenic thermostat time | |
| Using commercially available material/ordinary construction | Less than 3 hours |
| Using the application material/structure | More than 90 hours |
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the present invention.
In figure, 1 is at the top of device, 2 is the first cavity shell, and 3 be the second cavity shell, and 4 be apparatus main body.
In addition the other materials such as insulating layer in described device on the outside of cool storage material and apparatus main body and structure in figure not
It is shown specifically, above structure and material can be configured in conjunction with description according to the usual manner of this field.
Specific embodiment
Embodiment 1: the storage device includes device top and apparatus main body；Described device main body includes at least two layers of sky
Cavity shell, two layers of cavity shell are that the first cavity shell and the second cavity shell, above-mentioned shell consist of metal, the gold
Belong to is aluminium alloy or medical stainless steel；The first cavity shell hollow cavity contains cool storage material, in the second cavity shell
Vacuum is set as in cavity；There is insulating layer, the second cavity hull outside and the guarantor on the outside of the second cavity housing hollow
Warm layer uses adhesive bonding or mechanical snap；It further include fireprotection layer outside the insulating layer, it is fine containing fire prevention in the fireprotection layer
Wei Bu and graphite use adhesive bonding or mechanical snap between insulating layer and fireprotection layer；The cool storage material use including with
Lower raw material: potassium chloride, deionized water, n-heptanol, ammonium chloride, zeolite, the content of above-mentioned raw materials in parts by weight, 20 parts, 5 parts,
15 parts, 15 parts, 12 parts；The preparation of the cool storage material includes the following steps: a, the potassium chloride for weighing the content respectively, goes
Ionized water, n-heptanol, ammonium chloride, which are added in container, is mixed 35-60min formation mixing through sonic oscillation at 65-90 DEG C
Object；B, again said mixture is entered to obtain the cool storage material in zeolite by vacuum suction；The modified processing of zeolite, institute
It states modification to include the following steps, a, 15-20 parts of graphene (by weight) is added 100-150 parts of deionized water ultrasounds
Dispersion forms graphene dispersing solution；B, the zeolite is immersed in above-mentioned dispersion liquid by 1:2 by volume again, and dip time is
15-20 hours, dipping temperature was 40-55 degrees Celsius；C, drying and processing is finally carried out.
Embodiment 2
The storage device it include at the top of device and apparatus main body；Described device main body includes at least two layers of cavity shell, institute
Stating two layers of cavity shell is that the first cavity shell and the second cavity shell, above-mentioned shell consist of metal, and the metal is aluminium conjunction
Gold or medical stainless steel；The first cavity shell hollow cavity contains cool storage material, sets in the second cavity shell hollow cavity
It is set to vacuum；There is insulating layer, the second cavity hull outside and the insulating layer use on the outside of the second cavity housing hollow
Adhesive bonding or mechanical snap；Further include fireprotection layer outside the insulating layer, fire proofing firbre cloth and stone are contained in the fireprotection layer
Ink uses adhesive bonding or mechanical snap between insulating layer and fireprotection layer；The cool storage material preferably includes following raw material: chlorine
Change potassium, deionized water, n-heptanol, ammonium chloride, zeolite, the content of above-mentioned raw materials in parts by weight, 26 parts, 6 parts, 18 parts, 15 parts,
12 parts；The preparation of the cool storage material includes the following steps: a, the potassium chloride for weighing the content respectively, deionized water, positive heptan
Alcohol, ammonium chloride, which are added in container, is mixed 35-60min formation mixture through sonic oscillation at 65-90 DEG C；It b, again will be above-mentioned
Mixture is entered by vacuum suction obtains the cool storage material in zeolite；The modified processing of zeolite, the modification packet
Following steps are included, 100-150 parts of deionized water ultrasonic disperses a, are added by 15-20 parts of graphene (by weight), form stone
Black alkene dispersion liquid；B, the zeolite is immersed in above-mentioned dispersion liquid by 1:2 by volume again, and dip time is 15-20 hours, leaching
Stain temperature is 40-55 degrees Celsius；C, drying and processing is finally carried out.
In addition the specific embodiment of the invention, Figure of description and Detailed description of the invention do not constitute the limit to the claims in the present invention
System, should all be included in claim of the present invention by the various changes of conventional technical means.
Claims (3)
1. a kind of Medical low-temperature storage device with fire-proof function, it is characterised in that: it includes device top and apparatus main body；
Described device main body includes at least two layers of cavity shell, and two layers of cavity shell is the first cavity shell and the second hollow shell
Body, above-mentioned shell consist of metal, and the metal is aluminium alloy or medical stainless steel；The first cavity shell hollow cavity contains
Cool storage material is set as vacuum in the second cavity shell hollow cavity；There is heat preservation on the outside of the second cavity housing hollow
Layer, the second cavity hull outside and the insulating layer use adhesive bonding or mechanical snap；It further include preventing outside the insulating layer
Fire bed contains fire proofing firbre cloth and graphite in the fireprotection layer, and adhesive bonding or machinery are used between insulating layer and fireprotection layer
Occlusion；The cool storage material preferably includes following raw material: potassium chloride, deionized water, n-heptanol, ammonium chloride, zeolite, above-mentioned raw materials
Content in parts by weight, 15-26 parts, 5-10 parts, 10-20 parts, 15-20 parts, 12-22 parts.
2. a kind of Medical low-temperature storage device with fire-proof function according to claim 1, it is characterised in that:
The preparation of the cool storage material includes the following steps: a, the potassium chloride for weighing the content respectively, deionized water, positive heptan
Alcohol, ammonium chloride, which are added in container, is mixed 35-60min formation mixture through sonic oscillation at 65-90 DEG C；It b, again will be above-mentioned
Mixture is entered by vacuum suction obtains the cool storage material in zeolite.
3. a kind of Medical low-temperature storage device with fire-proof function according to claim 1 or 2, it is characterised in that: institute
The modified processing of zeolite is stated, the modification includes the following steps, a, 15-20 parts of graphene (by weight) are added
100-150 parts of deionized water ultrasonic disperses form graphene dispersing solution；B, the zeolite is immersed in by 1:2 by volume again
It states in dispersion liquid, dip time is 15-20 hours, and dipping temperature is 40-55 degrees Celsius；C, drying and processing is finally carried out.
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| CN201810388481.6A CN110406800A (en) | 2018-04-26 | 2018-04-26 | A kind of Medical low-temperature storage device with fire-proof function |
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| CN201810388481.6A CN110406800A (en) | 2018-04-26 | 2018-04-26 | A kind of Medical low-temperature storage device with fire-proof function |
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