CN110721579A - Method for deodorizing and sterilizing refrigerator - Google Patents
Method for deodorizing and sterilizing refrigerator Download PDFInfo
- Publication number
- CN110721579A CN110721579A CN201911102660.XA CN201911102660A CN110721579A CN 110721579 A CN110721579 A CN 110721579A CN 201911102660 A CN201911102660 A CN 201911102660A CN 110721579 A CN110721579 A CN 110721579A
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- Prior art keywords
- refrigerator
- deodorizing
- sterilizing
- oxide
- filter screen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a method for deodorizing and sterilizing a refrigerator, which adopts inorganic fiber prepared from metal oxide and transition metal oxide with a brand-new formula, utilizes the inorganic fiber to prepare a filter screen which can be used for a circulating air duct of the refrigerator, or utilizes the fiber to weave fabrics such as a storage box lining, a storage lattice mat and the like of the refrigerator into the refrigerator, the filter screen or the fabrics actively adsorb odor molecules in the air in the refrigerator, and the odor molecules are catalyzed and oxidized into CO2And H2And O, the possibility of collision with odor molecules is increased in the form of a filter screen or a fabric, so that the adsorption and oxidation catalysis efficiency can be effectively improved, the deodorization effect is improved, and the storage space of the refrigerator is not influenced.
Description
Technical Field
The invention relates to the technical field of ambient air purification of a freezing space, in particular to a method for deodorizing and sterilizing a refrigerator.
Background
The refrigerator is a refrigerating device for keeping constant low temperature, and is a civil product for keeping food or other articles in a constant low-temperature cold state. The cabinet or the box is provided with a compressor, an ice maker for freezing and a storage box with a refrigerating device. With the improvement of living standard, various foods are put in a closed space of the refrigerator in a row and are fully mixed, so that the deodorization and deodorization of the refrigerator are particularly important. The prior art has the technical principle of deodorization by using an adsorption method, namely, a carbon box and a carbon bag are made of porous activated carbon and are placed in a refrigerator for adsorbing odor molecules, the technology utilizes the passive adsorption function of the activated carbon, when a plurality of articles are in the refrigerator, gas flow is not smooth, the passive adsorption causes the problem of poor deodorization effect, the activated carbon only adsorbs odor molecules, the pores are also used as hotbeds for breeding bacteria microorganisms, and the moisture evaporation of food, vegetables and fruits in the refrigerator causes the activated carbon not to adsorb the odor and also adsorb the water molecules, so that the favorable environment for the growth of the microorganisms is provided, the bad deodorization effect also aggravates the risk of small-environment pollution of the refrigerator, the volumes of the activated carbon box and the activated carbon bag are larger, and the originally effective storage space is influenced. The prior art adopts a CH-Cut catalytic decomposition technology, and the principle is that formaldehyde is pressed into active carbon-loaded metal oxide particles together with active carbon through a nano particle material consisting of one or more active transition metal oxides at normal temperature, the active carbon-loaded metal oxide particles are placed into an active carbon box made of a metal container, and odor molecules adsorbed by the active carbon are decomposed into CO through the synergistic catalytic oxidation effect of the active carbon transition metal oxides2And H2O, the advantage of this technology is to decompose the odor molecule to have certain bacteriostatic action, but the limitation of this technology lies in can destroy the porous characteristic of active carbon when preparing this active carbon load granule, make the adsorption capacity of active carbon decline, simultaneously because this technology utilizes the passive adsorption of active carbon, have the adsorption efficiency low too, the shortcoming that the deodorization effect is poor, the adsorption box made is placed in the refrigerator, can influence the originally limited refrigerator storage space equally. On the market there are catalysts based on oxidation of transition metalsThe odor removal box product prepared by the catalytic oxidation principle is a passive odor removal technology which is mostly arranged in the odor removal box in a particulate matter mode, and has the problems of low adsorption efficiency and poor effect space.
Disclosure of Invention
The present invention is directed to a method for deodorizing and sterilizing a refrigerator to solve the above problems.
In order to solve the technical problems, the invention provides the following technical scheme: the inorganic fiber is prepared from metal oxide and transition metal oxide with a brand new formula, and can be used for preparing filter screen of refrigerator circulating air duct, or woven into refrigerator storage box lining, storage lattice pad, etc. and placed in refrigerator, the filter screen or fabric can actively adsorb odor molecules in air in refrigerator, and the odor molecules can be catalytically oxidized into CO2And H2And O, the possibility of collision with odor molecules is increased in the form of a filter screen or a fabric, so that the adsorption and oxidation catalysis efficiency can be effectively improved, the deodorization effect is improved, and the storage space of the refrigerator is not influenced.
According to the scheme, the method further comprises the following steps: step one, preparing a filter material; step two, preparing a filter; step three, filtering off odor;
in the first step, the preparation of the filter material comprises the following steps:
1) the surface of the inorganic fiber with high activity is modified by a plurality of active transition metal oxides;
2) forming a pore tunnel with a nano structure on the surface of the active fiber;
wherein in the second step, the filter preparation comprises the following steps:
1) the modified inorganic fiber is used for preparing a filter screen which can be used for a circulating air duct of a refrigerator;
2) weaving the modified inorganic fiber into a thin cloth;
wherein in the third step, the odor filtering comprises the following steps:
1) the filter screen is adhered to the air inlet and the air outlet of the circulating air duct of the refrigerator;
2) the thin cloth is made into fabrics such as a storage box lining, a storage lattice pad and the like of the refrigerator.
According to the technical scheme, the modification process in the step 1) can adopt different formulas according to different application environments;
according to the technical scheme, the modified formula in the step 1) further comprises a sterilizing material such as potassium permanganate and borax.
According to the technical scheme, in the second step 2), the thin cloth can be used for manufacturing deodorizing devices such as storage lattices, storage cushions and board wall stickers with different shapes or types.
According to the technical scheme, the metal oxide comprises one or a mixture of several of silicon dioxide, aluminum oxide, calcium oxide and magnesium oxide.
According to the technical scheme, the transition metal oxide comprises one or a mixture of more of manganese dioxide, vanadium pentoxide, titanium dioxide, iron oxide, copper oxide, nickel oxide and zinc oxide.
Compared with the prior art, the invention has the following beneficial effects: the method for deodorizing and sterilizing the refrigerator is to oxidize odor molecules into CO through the catalytic oxidation of active transition metal oxide on the surface of the fiber2And water, the modified formula also contains components such as potassium permanganate, borax and the like, so that the purposes of removing odor and improving the air quality of the small environment of the refrigerator are achieved to a certain extent, the catalytic oxidation mechanism generated based on the above principle is combined with the adsorption mechanism of the pore tunnel structure of the modified fiber nano structure and the active odor removal form formed by the manufactured circulating system filter screen, and the antibacterial and antivirus environment can be created in the refrigerator through the sterilization and antivirus effect of the formula contained in the modified material, and simultaneously the odor is removed, so that the peculiar smell emitted by food can be removed while the stored food is stored with the original food flavor, the possibility of taint of the odor among the food is effectively prevented, and the health of people is facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a method for deodorizing and sterilizing a refrigerator comprises the steps of preparing a filter material; step two, preparing a filter; step three, filtering off odor;
in the first step, the preparation of the filter material comprises the following steps:
1) inorganic fiber with high activity is subjected to surface modification by various active transition metal oxides, and the modification formula contains potassium permanganate, borax and other components;
2) forming a pore tunnel with a nano structure on the surface of the active fiber;
wherein in the second step, the filter preparation comprises the following steps:
1) the modified inorganic fiber is used for preparing a filter screen which can be used for a circulating air duct of a refrigerator;
2) the modified inorganic fiber is woven into thin cloth, and the thin cloth can be made into storage lattices, storage pads and board wall stickers with different shapes;
wherein in the third step, the odor filtering comprises the following steps:
1) the filter screen is adhered to the air inlet and the air outlet of the circulating air duct of the refrigerator;
2) the thin cloth is made into fabrics such as a storage box lining, a storage lattice pad and the like of the refrigerator.
Example 1: removing meat gas putrefaction odor
1) Weaving high-activity inorganic modified fibers with the monofilament diameter of 15 microns into a filter screen with the filtering precision of 400 meshes, the length of 150mm, the width of 200mm and the thickness of 1mm, and sewing a quick sucking disc;
2) placing the rotten and smelly meat in a refrigerator to disperse the smell for 30 minutes;
3) adsorbing the filter screen at an internal circulation air outlet of the refrigerator;
4) the refrigerator is opened for 2 hours, and then the foul smell in the refrigerator disappears and the air is fresh.
Example 2: removing odor of Bulbus Allii
1) Weaving high-activity inorganic modified fibers with the monofilament diameter of 15 microns into a filter screen with the filtering precision of 400 meshes, the length of 150mm, the width of 200mm and the thickness of 1mm, and sewing a quick sucking disc;
2) pouring the mashed garlic into a small amount of white spirit, and placing the white spirit in a refrigerator to disperse the garlic flavor and the wine flavor for 30 minutes;
3) adsorbing the filter screen at an internal circulation air outlet of the refrigerator;
4) after the refrigerator is opened for 2 hours, the wine flavor and the garlic flavor in the refrigerator disappear and the air is fresh.
Example 3: experiment of ladle deterioration in small space
1) Weaving high-activity inorganic modified fibers with the monofilament diameter of 15 microns into a filter screen with the filtering precision of 400 meshes, the length of 150mm, the width of 200mm and the thickness of 1mm, putting the filter screen into a 1000-milliliter glass bottle with a cover, wrapping the purchased activated carbon with another 1000-milliliter glass bottle with the cover, and leaving the third 1000-milliliter glass bottle with the cover empty;
2) cutting a fresh bread into three parts, respectively filling into three glass bottles and covering;
3) the bread in the blank glass bottle is observed to mildew within two days, the bread grows full of mildew stains within seven days, and the volume of the bread obviously becomes small within two weeks;
4) the bread in the activated carbon glass bottle is observed to be mildewed within six days, mildew stains grow on the bread in two days, and the volume of the bread in three weeks is obviously reduced;
5) the bread in the glass bottle with activated fiber sieve was observed to be not mildewed within 30 days.
Based on the above, the invention has the advantages that the modified fiber is used for manufacturing the filter screen which can be used for the refrigerator circulating air duct, the filter screen is pasted at the air inlet and the air outlet of the refrigerator circulating air duct, the fiber can also be used for weaving a thin cloth to manufacture fabrics such as a refrigerator storage box lining and a storage lattice mat, the passive adsorption of the activated carbon is changed on the premise of not occupying the storage space of the refrigerator, the adsorption range is small, the active adsorption participates in the air circulation in the refrigerator, meanwhile, the collision chance with odor molecules is greatly increased through the storage lattice, the storage mat and the plate wall pasting mode, the adsorption and oxidation catalysis efficiency can be effectively improved, the deodorization effect is improved, the storage space of the refrigerator is not influenced, and the modified fiber material has the advantages of stable and reliable manufacturing process forming, low manufacturing cost and good cost ratio, and is suitable for large-scale industrial production. The modification process can adopt different formulas according to different application environments and can be designed into different types of deodorization device products. Odor removal is not a simple physical adsorption, but rather a catalytic oxidation of odor molecules to CO by active transition metal oxides on the fiber surface2And water, and the modified formula also contains potassium permanganate, borax and other components to effectively kill virus and bacteria to a certain extent, thereby fundamentally achieving the purposes of removing odor and improving the air quality of the small environment of the refrigerator.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for deodorizing and sterilizing refrigerator features that the inorganic fibres prepared from metal oxide and transition metal oxide and with a new formula are used to prepare the filter net for the circulating air channel of refrigerator, or the fabric used to make the storage box liner or storage lattice pad of refrigerator is woven by said inorganic fibres and then put in refrigerator, where the filter net or fabric actively absorbs the stink molecules in air in refrigerator and catalytically oxidizes them into CO2And H2And O, the possibility of collision with odor molecules is increased in the form of a filter screen or a fabric, so that the adsorption and oxidation catalysis efficiency can be effectively improved, the deodorization effect is improved, and the storage space of the refrigerator is not influenced.
2. The method for deodorizing and sterilizing a refrigerator according to claim 1, further comprising the steps of: step one, preparing a filter material; step two, preparing a filter; step three, filtering off odor; the method is characterized in that:
in the first step, the preparation of the filter material comprises the following steps:
1) the surface of the inorganic fiber with high activity is modified by a plurality of active transition metal oxides;
2) forming a pore tunnel with a nano structure on the surface of the active fiber;
wherein in the second step, the filter preparation comprises the following steps:
1) the modified inorganic fiber is used for preparing a filter screen which can be used for a circulating air duct of a refrigerator;
2) weaving the modified inorganic fiber into a thin cloth;
wherein in the third step, the odor filtering comprises the following steps:
1) the filter screen is adhered to the air inlet and the air outlet of the circulating air duct of the refrigerator;
2) the thin cloth is made into fabrics such as a storage box lining, a storage lattice pad and the like of the refrigerator.
3. The method for deodorizing and sterilizing a refrigerator according to claim 1, wherein: the modification process in the step 1) can adopt different formulas according to different application environments.
4. The method for deodorizing and sterilizing a refrigerator according to claim 1, wherein: the modified formula in the step 1) also comprises a sterilizing material such as potassium permanganate and borax.
5. The method for deodorizing and sterilizing a refrigerator according to claim 1, wherein: and in the second step 2), the thin cloth can be used for manufacturing deodorizing devices such as storage lattices, storage cushions and board wall stickers with different shapes or types.
6. The method as claimed in claim 1, wherein the metal oxide comprises one or more of silicon dioxide, aluminum oxide, calcium oxide and magnesium oxide.
7. The method as claimed in claim 1, wherein the transition metal oxide comprises one or more of manganese dioxide, vanadium pentoxide, titanium dioxide, iron oxide, copper oxide, nickel oxide and zinc oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102660.XA CN110721579A (en) | 2019-11-12 | 2019-11-12 | Method for deodorizing and sterilizing refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102660.XA CN110721579A (en) | 2019-11-12 | 2019-11-12 | Method for deodorizing and sterilizing refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN110721579A true CN110721579A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911102660.XA Pending CN110721579A (en) | 2019-11-12 | 2019-11-12 | Method for deodorizing and sterilizing refrigerator |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5460289A (en) * | 1977-10-21 | 1979-05-15 | Toshiba Corp | Preparation of deodorizing catalyst |
| CN1107385A (en) * | 1993-11-22 | 1995-08-30 | 株式会社金星社 | Deodorizing method for refrigerator |
| JP2006336184A (en) * | 2001-01-29 | 2006-12-14 | Sumitomo Titanium Corp | Photocatalyst composite material |
| US20110116989A1 (en) * | 2009-11-19 | 2011-05-19 | Ibiden Co., Ltd. | Honeycomb structural body and exhaust gas conversion apparatus |
| CN103239948A (en) * | 2012-02-06 | 2013-08-14 | Lg电子株式会社 | Air cleaning filter and method for manufacturing the same |
| CN104101167A (en) * | 2013-04-09 | 2014-10-15 | 三星电子株式会社 | Deodorizing filter and refrigerator having the same |
| CN104258437A (en) * | 2014-08-11 | 2015-01-07 | 合肥晶弘三菱电机家电技术开发有限公司 | Refrigerator deodorizer and refrigerator |
| CN105107524A (en) * | 2015-09-24 | 2015-12-02 | 杭州钛合智造电器有限公司 | Nano-composite material for catalytically decomposing formaldehyde at normal temperature and method for preparing nano-composite material |
| CN105344367A (en) * | 2014-08-04 | 2016-02-24 | 神钢阿克泰克株式会社 | Metallic oxide catalyst and deodorizing material using same |
| CN106902574A (en) * | 2017-02-20 | 2017-06-30 | 江苏欧乐净化材料有限公司 | A kind of air purifying filter core based on glass fibre and alumina fibre skeleton and its preparation method and application |
| CN107952289A (en) * | 2016-10-17 | 2018-04-24 | 秦素洁 | A kind of filter screen with purifying formaldehyde and preparation method thereof |
-
2019
- 2019-11-12 CN CN201911102660.XA patent/CN110721579A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5460289A (en) * | 1977-10-21 | 1979-05-15 | Toshiba Corp | Preparation of deodorizing catalyst |
| CN1107385A (en) * | 1993-11-22 | 1995-08-30 | 株式会社金星社 | Deodorizing method for refrigerator |
| JP2006336184A (en) * | 2001-01-29 | 2006-12-14 | Sumitomo Titanium Corp | Photocatalyst composite material |
| US20110116989A1 (en) * | 2009-11-19 | 2011-05-19 | Ibiden Co., Ltd. | Honeycomb structural body and exhaust gas conversion apparatus |
| CN103239948A (en) * | 2012-02-06 | 2013-08-14 | Lg电子株式会社 | Air cleaning filter and method for manufacturing the same |
| CN104101167A (en) * | 2013-04-09 | 2014-10-15 | 三星电子株式会社 | Deodorizing filter and refrigerator having the same |
| CN105344367A (en) * | 2014-08-04 | 2016-02-24 | 神钢阿克泰克株式会社 | Metallic oxide catalyst and deodorizing material using same |
| CN104258437A (en) * | 2014-08-11 | 2015-01-07 | 合肥晶弘三菱电机家电技术开发有限公司 | Refrigerator deodorizer and refrigerator |
| CN105107524A (en) * | 2015-09-24 | 2015-12-02 | 杭州钛合智造电器有限公司 | Nano-composite material for catalytically decomposing formaldehyde at normal temperature and method for preparing nano-composite material |
| CN107952289A (en) * | 2016-10-17 | 2018-04-24 | 秦素洁 | A kind of filter screen with purifying formaldehyde and preparation method thereof |
| CN106902574A (en) * | 2017-02-20 | 2017-06-30 | 江苏欧乐净化材料有限公司 | A kind of air purifying filter core based on glass fibre and alumina fibre skeleton and its preparation method and application |
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