CN109876592A - Scavenging material, scavenging material preparation method and ordor removing device - Google Patents
Scavenging material, scavenging material preparation method and ordor removing device Download PDFInfo
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- CN109876592A CN109876592A CN201910235393.7A CN201910235393A CN109876592A CN 109876592 A CN109876592 A CN 109876592A CN 201910235393 A CN201910235393 A CN 201910235393A CN 109876592 A CN109876592 A CN 109876592A
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- removing device
- scavenging material
- chitosan
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Abstract
The invention discloses a kind of scavenging materials, scavenging material preparation method and ordor removing device, wherein, including following raw material: chitosan and metal organic framework compound, the molar ratio of the chitosan and metal organic framework compound are as follows: 1:100~1:200, since scavenging material includes chitosan and metal organic framework compound, metal organic framework compound material porosity is high, specific surface area is huge, material structure is stablized, it is not easy cluster, and after being mixed with chitosan, play synergistic sorption effect, gas is sufficiently reacted wherein, improve the catalytic efficiency of the scavenging material.The scavenging material, which is especially suitable for being applied to, carries out taste removal in refrigerator.
Description
Technical field
The present invention relates to scavenging material technical field more particularly to a kind of scavenging materials, scavenging material preparation method and packet
Include the ordor removing device of the scavenging material.
Background technique
Refrigerator is a kind of common household appliances, and as accommodating food increases in refrigerator, refrigerator inside often will appear
Peculiar smell, the peculiar smell in refrigerator not only will affect the quality of food, bad feeling can be also brought to user, according to analysis, in refrigerator
Gas with foreign flavor main component is organic compound (VOC gas), in the prior art in order to solve the problems, such as that refrigerator peculiar smell is brought, if
Some ordor removing devices are counted, these ordor removing devices often use TiO2, ZnO as catalytic carrier (scavenging material), these purifications
Material often has the shortcomings that be difficult to later period separation, easy to reunite, light Transform efficiency is low etc., and catalytic efficiency is low.
Summary of the invention
The main purpose of the present invention is to provide a kind of scavenging materials, it is intended to solve that existing scavenging material is easy to reunite, urges
The technical issues of changing low efficiency.
To achieve the goals above, the present invention provides a kind of scavenging material, wherein including following raw material:
Chitosan and metal organic framework compound, the molar ratio of the chitosan and metal organic framework compound are as follows:
1:100~1:200.
Preferably, the metal organic framework compound is MIL-101.
In addition, the present invention also provides a kind of scavenging material preparation methods, wherein the scavenging material preparation method is for making
Standby any one of the above scavenging material, the scavenging material preparation method include:
Step 1: the chitosan that the amount of substance is 1 part is dissolved into acetum, 1h~2h is stirred at room temperature, matches
Chitosan solution is made；
Step 2: the metal organic framework compound that the amount of substance is 100 parts~200 parts is added to step 1 and is configured to
Chitosan solution, continue stir 0.5h~1.5h；
Step 3: glutaraldehyde solution is added to by obtaining mixed solution in step 2 treated chitosan solution,
Mixed solution is placed in 35 DEG C~45 DEG C of water bath containers and continues to stir 1h~2h；
Step 4: NaOH solution is added to by step 3 treated mixed solution, by the pH value of mixed solution
It adjusts between 9-10, then bath temperature is adjusted to 65 DEG C~75 DEG C again, and continue to stir 0.5h~1.5h；
Step 5: solid material will be generated by step 4 treated mixed solution recycling, and cleans the solid material
Material；
Step 6: will treated that solid material dries to obtain the scavenging material, drying temperature 85 by step 5
~95 DEG C, drying time period is 45h~50h.
Preferably, the volume fraction of the acetum is 1%~3%, and the volume fraction of the glutaraldehyde solution is
24%~26%.
Preferably, in the step 5, the solid material is cleaned by n,N-Dimethylformamide.
In addition, the present invention also provides a kind of ordor removing devices, wherein the ordor removing device includes being made of above-mentioned scavenging material
Purification block.
Preferably, the ordor removing device includes the air inlet and air outlet of shell and setting on the housing, described net
Change block it is disposed in the housing, with can make from the air inlet enter the shell in airflows approach described in purification block from
The air outlet outflow.
Preferably, the ordor removing device includes ultraviolet radiator disposed in the housing, and the ultraviolet radiator faces institute
State purification block.
Preferably, the ultraviolet radiator is arranged on the inner wall of the shell, and close to the air outlet.
Preferably, ordor removing device includes blower and filter block disposed in the housing, the blower, filter block and net
Change block to set gradually along the direction of the air inlet towards the air outlet.
In technical solution of the present invention, since scavenging material includes chitosan and metal organic framework compound, metal has
Machine framework compound material porosity is high, specific surface area is huge, and material structure is stablized, and is not easy cluster, and mix with chitosan
Afterwards, synergistic sorption effect is played, gas is sufficiently reacted wherein, improves the catalytic efficiency of the scavenging material.It should
Scavenging material, which is especially suitable for being applied to, carries out taste removal in refrigerator, any suitable taste removal is needed to purify it is of course also possible to be applied to
Unit or scene in.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic diagram of internal structure of the ordor removing device of embodiment of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 1 | Purify block | 2 | Shell |
| 3 | Ultraviolet radiator | 4 | Filter block |
| 5 | Blower | 21 | Air inlet |
| 22 | Air outlet |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
According to an aspect of the present invention, a kind of scavenging material is provided, wherein including following raw material: chitosan and metal
Organic framework compounds (MOFs), it should be noted that metal organic framework compound, be by inorganic metal center (metal from
Son or metal cluster) it is connected with each other with the organic ligand of bridging by self assembly, one kind of formation is with periodic network structure
The molar ratio of crystalline state porous material, chitosan and metal organic framework compound are as follows: 1:100~1:200, as glycan and metal have
The molar ratio of machine framework compound can make 1:150.
In technical solution of the present invention, since scavenging material includes chitosan and metal organic framework compound, metal has
Machine framework compound material porosity is high, specific surface area is huge, and material structure is stablized, and is not easy cluster, and mix with chitosan
Afterwards, synergistic sorption effect is played, gas is sufficiently reacted wherein, improves the catalytic efficiency of the scavenging material.It should
Scavenging material, which is especially suitable for being applied to, carries out taste removal in refrigerator, any suitable taste removal is needed to purify it is of course also possible to be applied to
Unit or scene in.
According to the preferred embodiment of the present invention, metal organic framework compound can be MIL-101, and MIL-101 is gold
Belong to the specific type of one of organic framework compounds, and the invention is not limited thereto, using the metal of other high-specific surface areas
Organic framework compounds are also possible.
According to another aspect of the present invention, a kind of scavenging material preparation method is also provided, wherein scavenging material preparation side
Method is used to prepare above-mentioned scavenging material, and the scavenging material preparation method includes:
Step 1: the chitosan that the amount of substance is 1 part is dissolved into acetum, 1h~2h is stirred at room temperature, matches
Chitosan solution is made；
Step 2: the metal organic framework compound that the amount of substance is 100 parts~200 parts is added to step 1 and is configured to
Chitosan solution, continue stir 0.5h~1.5h；
Step 3: glutaraldehyde solution is added to by obtaining mixed solution in step 2 treated chitosan solution,
Mixed solution is placed in 35 DEG C~45 DEG C of water bath containers and continues to stir 1h~2h；
Step 4: NaOH solution is added to by step 3 treated mixed solution, by the pH value of mixed solution
It adjusts between 9-10, then bath temperature is adjusted to 65 DEG C~75 DEG C again, and continue to stir 0.5h~1.5h；
Step 5: solid material will be generated by step 4 treated mixed solution recycling, and cleans the solid material
Material；
Step 6: will treated that solid material dries to obtain the scavenging material, drying temperature 85 by step 5
~95 DEG C, drying time period is 45h~50h.
As the specific embodiment of the above scavenging material preparation method, illustratively, scavenging material preparation method includes:
Step 1: the chitosan (calculate by quality, such as can be 0.1g~0.3g chitosan) for being 1 part by the amount of substance is molten
Solution is stirred at room temperature 1h~2h (such as 1.5h), is configured to chitosan solution into 15ml~25ml acetum；
Step 2: by the amount of substance be 100 parts~200 parts, such as 150 parts metal organic framework compounds (by quality calculate,
Such as 0.3g~0.5g metal organic framework compound) it is added to the chitosan solution that step 1 is configured to, continue to stir 0.5h
~1.5h (such as 1h)；
Step 3: 1ml~3ml glutaraldehyde solution (such as 2ml) is added to treated that chitosan is molten by step 2
In liquid, obtain mixed solution, mixed solution is placed in the water bath containers of 35 DEG C~45 DEG C (such as 40 DEG C) continue stir 1h~
2h (such as 1.5h)；
Step 4: 0.5mol/L~1.5mol/L NaOH solution (such as 1mol/L NaOH solution) is added to by step
In rapid three treated mixed solutions, by the pH value adjustment of mixed solution between 9-10, then bath temperature is adjusted to again
65 DEG C~75 DEG C (such as 70 DEG C), and continue to stir 0.5h~1.5h (such as 1h)；
Step 5: solid material will be generated by step 4 treated mixed solution recycling, and cleans solid material；
Step 6: material will be purified by step 5 treated solid material drying, wherein drying temperature 85
~95 DEG C (such as 90 DEG C), drying time period is 45h~50h (such as 48h).
Certainly, the concrete content of the formula materials of above-mentioned use appropriate can adjust, such as 0.1g~0.3g
Chitosan, 0.3g~0.5g metal organic framework compound, 15ml~25ml acetum are given for example only, and are not used to limit
The system present invention.
In scavenging material preparation method, it is preferable that the volume fraction of acetum is 1%~3%, such as 2%；Glutaraldehyde
The volume fraction of solution is 24%~26%, such as 25%.In step 5, solid material is cleaned by n,N-Dimethylformamide
Material, certainly, the present invention is not limited thereto, suitably adjusts the volume fraction of acetum and the volume fraction of glutaraldehyde solution
It is possible, solid material can also be cleaned using other suitable cleaning materials.
Referring to Fig. 1, according to a further aspect of the invention, a kind of ordor removing device is also provided, ordor removing device includes by above-mentioned
Block 1 is purified made of scavenging material.So the ordor removing device includes above-mentioned scavenging material, since this ordor removing device includes this
The scavenging material provided is invented, so this refrigerator also has all advantages of scavenging material provided by the invention.Ordor removing dress
It sets and is especially suitable for being installed in the freezing chamber or refrigerating chamber of refrigerator.
Specific embodiment according to the present invention, ordor removing device may include that shell 2 (preferably rectangular housing) and setting exist
Air inlet 21 and air outlet 22 on shell 2, purification block 1 are arranged in shell 2, can make to enter shell 2 from air inlet 21
In airflows approach purify block 1 from air outlet 22 flow out.Specifically, shell 2 may include top plate and the bottom plate opposite with top plate,
Air inlet 21 can be formed on bottom plate, and air outlet 22 can be formed on top plate.
According to the preferred embodiment of the present invention, ordor removing device includes the ultraviolet radiator 3 being arranged in shell 2, preferably
UVLED lamp group, ultraviolet radiator 3 is in face of purification block 1.More specifically, ultraviolet radiator 3 can be set on the inner wall of shell 2, and
And close to air outlet 22.The quantity of air outlet 22 can be to be multiple, ultraviolet radiator 3 or corresponding multiple.
UVLED lamp group may include that (long wave UVA, wavelength is generally between 320~400nm, also known as long Bosnia-Herzegovena by UVA-LED
Spot effect ultraviolet light) and UVC-LED (shortwave UVC, wavelength is generally between 200~275nm, also known as shortwave sterilizing ultraviolet light) two
Part, as light (UVA-LED) for the wavelength that the photochemical catalyst (purification block 1) of light source activation is exposed to transition energy, with water with
Oxygen reaction, the active ion (O2- and OH-) of generation can effectively decompose various organic compounds, and (VOCs etc., this is refrigerator
Peculiar smell main source), the converting activities oxygen cluster such as water or oxygen is made by the catalytic action of light source activation catalyst, with this activity
Negative oxygen ion occurs for oxygen cluster, and hydroxyl radical free radical (OH), hydrogen peroxide (H2O2), ozone (O3) etc., they show strength and kill
Bacterium effect, playing synergic remove with UVC-LED, (UVC-LED carries out secondary flow sterilization and air outlet in air outlet 22
Sterilization at 22).
It should be further noted that UVC-LED primarily serve catalytic process sterilization and it is secondary at air outlet 22
Bactericidal effect is flowed, so as to avoid that secondary pollution occurs；UVC-LED is compared to the strong oxidizer sterilization that photocatalytic process generates
Effect is more efficient, carries out photocatalysis by efficient UVA-LED, wavelength is preferably catalytic efficiency between 370nm~390nm
It is more more efficient than visible light, and by UVC-LED light source, and the preferred 200nm-280nm of wavelength, progress strong bactericidal, sterilization are imitated
Fruit is better than existing mercury lamp technology.
In addition, ordor removing device can also include the blower 5 and filter block 4 being arranged in shell 2, blower 5,4 and of filter block
Purification block 1 is set gradually along the direction of air inlet 21 towards air outlet 22, can make the gas entered in shell 2 from air inlet 21
Stream is successively flowed out by way of blower 5, filter block 4 and purification block 1 from air outlet 22.Wherein, filter block 4 can be but not limited to activity
Charcoal, other filtering materials are also possible, and active carbon main function is before gas enters purification block 1, by solid therein
Grain object absorption is fallen, in order to avoid particulate matter is blocked block 1 is purified, clean-up effect is caused to decline.Blower 5 can be selected as conventional DC wind
Machine, revolving speed, air quantity are stablized, and operating is mute, and main function is to accelerate air in cycle refrigerator, the general principles of ordor removing device are as follows:
Gas is inhaled into shell 2 by air inlet 21；Then by filter block 4, the granule foreign in air is filtered out, by filtering
Gas using purification block 1, light-catalyzed reaction occurs, purifies peculiar smell, the gas after final purification is discharged by air outlet 22.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of scavenging material, which is characterized in that including following raw material:
Chitosan and metal organic framework compound, the molar ratio of the chitosan and metal organic framework compound are as follows: 1:100
~1:200.
2. scavenging material according to claim 1, which is characterized in that the metal organic framework compound is MIL-101.
3. a kind of scavenging material preparation method, which is characterized in that the scavenging material preparation method is used to prepare to be wanted according to right
Scavenging material described in asking 1 or 2, the scavenging material preparation method include:
Step 1: the chitosan that the amount of substance is 1 part is dissolved into acetum, 1h~2h is stirred at room temperature, is configured to
Chitosan solution；
Step 2: the metal organic framework compound that the amount of substance is 100 parts~200 parts is added to the shell that step 1 is configured to
Glycan solution continues to stir 0.5h~1.5h；
Step 3: glutaraldehyde solution is added to by obtaining mixed solution, will mix in step 2 treated chitosan solution
It closes solution and is placed in 35 DEG C~45 DEG C of water bath containers and continue to stir 1h~2h；
Step 4: NaOH solution is added to by step 3 treated mixed solution, by the pH value adjustment of mixed solution
To between 9-10, then bath temperature is adjusted to 65 DEG C~75 DEG C again, and continues to stir 0.5h~1.5h；
Step 5: solid material will be generated by step 4 treated mixed solution recycling, and cleans the solid material；
Step 6: will by step 5, treated that solid material dries obtains the scavenging material, drying temperature is 85~95
DEG C, drying time period is 45h~50h.
4. scavenging material preparation method according to claim 3, which is characterized in that the volume fraction of the acetum is
1%~3%, the volume fraction of the glutaraldehyde solution is 24%~26%.
5. scavenging material preparation method according to claim 3, which is characterized in that in the step 5, pass through N, N-
Dimethylformamide cleans the solid material.
6. a kind of ordor removing device, which is characterized in that the ordor removing device includes by purification material according to claim 1 or 2
Block is purified made of material.
7. ordor removing device according to claim 6, which is characterized in that the ordor removing device includes shell and is arranged described
Air inlet and air outlet on shell, the purification block is disposed in the housing, can make to enter institute from the air inlet
Purification block described in the airflows approach in shell is stated to flow out from the air outlet.
8. ordor removing device according to claim 7, which is characterized in that the ordor removing device includes disposed in the housing
Ultraviolet radiator, the ultraviolet radiator face the purification block.
9. ordor removing device according to claim 8, which is characterized in that the inner wall of the shell is arranged in the ultraviolet radiator
On face, and close to the air outlet.
10. the ordor removing device according to any one of claim 7 to 9, which is characterized in that ordor removing device includes that setting exists
Blower and filter block in the shell, the blower, filter block and purification block are along the air inlet towards the air outlet
Direction is set gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235393.7A CN109876592A (en) | 2019-03-26 | 2019-03-26 | Scavenging material, scavenging material preparation method and ordor removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235393.7A CN109876592A (en) | 2019-03-26 | 2019-03-26 | Scavenging material, scavenging material preparation method and ordor removing device |
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| Publication Number | Publication Date |
|---|---|
| CN109876592A true CN109876592A (en) | 2019-06-14 |
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ID=66934573
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| CN201910235393.7A Pending CN109876592A (en) | 2019-03-26 | 2019-03-26 | Scavenging material, scavenging material preparation method and ordor removing device |
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| CN108467490A (en) * | 2018-03-29 | 2018-08-31 | 中国农业科学院蔬菜花卉研究所 | Functional metal organic frame porous material and its preparation method and application |
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| CN109316611A (en) * | 2018-09-12 | 2019-02-12 | 安徽机电职业技术学院 | A kind of efficient refrigerator ordor removing sterilizing unit and its application method |
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2019
- 2019-03-26 CN CN201910235393.7A patent/CN109876592A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105566660A (en) * | 2016-02-04 | 2016-05-11 | 南京师范大学 | Chitosan-metal organic framework compounded pellets and preparation method and application thereof |
| US20180065105A1 (en) * | 2016-05-02 | 2018-03-08 | LiSo Plastics, L.L.C. | Multilayer polymeric membrane and process |
| CN207035284U (en) * | 2017-04-26 | 2018-02-23 | 广州市麒鸿环保科技有限公司 | A kind of heating installation with bactericidal purifying |
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Application publication date: 20190614 |