CN209923216U - Antibacterial ceramic bowl - Google Patents
Antibacterial ceramic bowl Download PDFInfo
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- CN209923216U CN209923216U CN201821678762.7U CN201821678762U CN209923216U CN 209923216 U CN209923216 U CN 209923216U CN 201821678762 U CN201821678762 U CN 201821678762U CN 209923216 U CN209923216 U CN 209923216U
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Abstract
The utility model discloses an antibiotic ceramic bowl, including the bowl end and bowl wall, the section of bowl end and bowl wall is following multilayer structure: the ceramic substrate layer is attached to the upper surface of the ceramic substrate layer, and the at least one antibacterial surface layer is attached to the outer surface of the glaze layer, wherein the antibacterial surface layer is a nano zinc oxide antibacterial layer, the particle size of zinc oxide particles in the cross section structure of the antibacterial surface layer is 10-50 nm, the inter-particle distance of the zinc oxide particles is 20-100 nm, and the sum of the cross section areas of all the zinc oxide particles accounts for 30-80% of the cross section area of the antibacterial surface layer; the glaze layer and the antibacterial surface layer are formed by sequentially coating enamel and an antibacterial agent on the ceramic substrate layer, and sequentially forming a solid glaze layer and an antibacterial surface layer on the ceramic substrate layer through a preset sintering process. The nano antibacterial layer attached to the surface achieves excellent antibacterial effect, and the strength, durability and elasticity of the ceramic bowl can be improved.
Description
Technical Field
The utility model relates to an antibacterial ceramic bowl, which can be used in the technical field of ceramics.
Background
Bowls are daily necessary articles for family life, and a large amount of investigation data show that various pathogenic microorganisms can be detected on the bowls. If the bowls are not cleaned and sterilized thoroughly in daily life, the bowls may become a vehicle for the transmission of diseases such as hepatitis a, dysentery, typhoid, tuberculosis, and food poisoning.
The glaze on the surface of the traditional ceramic bowl mainly plays a role in color and smoothness and has no other functions, and the surface of the traditional bowl is not completely flat and easy to be attached with oil stains and impurities to breed bacteria. The bowls still can have bacteria after being cleaned, the bowls can continue to grow bacteria after being placed, the sterilization and disinfection effects are difficult to be thorough, the sterilization and disinfection time is too long, the cost is high, and the bowls are not economical and environment-friendly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing an antibacterial ceramic bowl.
The purpose of the utility model can be realized through the following technical scheme: an antibacterial ceramic bowl comprises a bowl bottom and a bowl wall, wherein the sections of the bowl bottom and the bowl wall are of the following multilayer structures:
a ceramic substrate layer,
at least one glaze layer attached on the ceramic substrate layer,
at least one antibacterial surface layer attached to the outer surface of the glaze layer,
the antibacterial surface layer is a nano zinc oxide antibacterial layer, in the cross section structure of the layer, the particle size of zinc oxide particles is 10-50 nm, the inter-particle distance of the zinc oxide particles is 20-100 nm, and the sum of the cross section areas of all the zinc oxide particles accounts for 30-80% of the cross section area of the layer; the glaze layer and the antibacterial surface layer are formed by sequentially coating enamel and an antibacterial agent on the ceramic substrate layer, and sequentially forming a solid glaze layer and an antibacterial surface layer on the ceramic substrate layer through a preset sintering process.
Preferably, the thickness of the antibacterial surface layer is 40 ~ 250 nm.
Preferably, the thickness of the antibacterial surface layer is 100 ~ 200 nm.
Preferably, the antibacterial surface layer has two layers, and the two layers are respectively attached to two side surfaces of the ceramic substrate layer.
Preferably, an adhesion increasing layer is adhered on the antibacterial surface layer.
Preferably, the adhesion promoting layer is a titanium oxide layer, and the thickness of the adhesion promoting layer is 100 ~ 150 nm.
Preferably, the shape of the antibacterial ceramic bowl is circular or polygonal.
Preferably, the inner wall of the antibacterial ceramic bowl is provided with a buckle used for fixing the long-handle cooking utensil in the antibacterial ceramic bowl.
Preferably, the snap is linear or plate-shaped.
Preferably, the long handle cooking appliance is a spoon or a colander.
The utility model discloses technical scheme's advantage mainly embodies: the antibacterial surface layer and the ceramic bowl glaze layer in the technical scheme are fired simultaneously and are formed together, the ceramic bowl glaze layer is attached to the surface of the glaze layer after being fired, the ceramic bowl glaze layer cannot fall off and cannot be washed and dissolved out, bacteria can be killed through contact, and the bacteria can also be killed through photocatalysis under the condition of natural light, so that the safe and lasting antibacterial effect is achieved. The nano antibacterial layer attached to the surface achieves excellent antibacterial effect, and the strength, durability and elasticity of the ceramic bowl can be improved.
Repeatedly proved, the antibacterial ceramic bowl has the characteristics of high activity, good chemical stability and thermal stability, no secondary pollution, no irritation, safety, no toxicity and the like.
Drawings
Fig. 1 is a schematic structural view of an antibacterial ceramic bowl of the present invention.
Fig. 2 is a schematic sectional view of an antibacterial ceramic bowl of the present invention.
Fig. 3 is an enlarged view of the antibacterial top layer of the present invention.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.
The utility model discloses an antibiotic ceramic bowl, as shown in figure 1, figure 2 and figure 3, this antibiotic ceramic bowl 100 includes at the bottom of the bowl and bowl wall, the section at the bottom of the bowl and bowl wall is following multilayer structure: the ceramic substrate comprises a ceramic substrate layer 1, at least one glaze layer 2 attached to the upper surface of the ceramic substrate layer 1, and at least one antibacterial surface layer 3 attached to the outer surface of the glaze layer 2.
The antibacterial surface layer 3 is a nano zinc oxide antibacterial layer, in the cross section structure of the layer, the particle size R of zinc oxide particles is 10-50 nm, the inter-particle distance L of the zinc oxide particles is 20-100 nm, and the sum of the cross section areas of all the zinc oxide particles accounts for 30-80% of the cross section area of the layer. The glaze layer and the antibacterial surface layer are formed by sequentially coating enamel and an antibacterial agent on the ceramic substrate layer, and sequentially forming a solid glaze layer and an antibacterial surface layer on the ceramic substrate layer through a preset sintering process.
The thickness of the antibacterial surface layer 3 is 40 ~ 250nm, in the technical scheme, the thickness of the antibacterial surface layer 3 is preferably 100 ~ 200nm, the antibacterial surface layer 3 is provided with two layers which are respectively attached to two side surfaces of the ceramic substrate layer, the inner surface and the outer surface of the antibacterial ceramic bowl are always in contact with food in the bowl, and the antibacterial surface layer is arranged at the position in direct contact with the food, so that the antibacterial surface layer can effectively inhibit the growth and the propagation of bacteria, and is used for photocatalytic sterilization of microorganisms and decomposition of organic pollution.
The anti-bacterial ceramic bowl is characterized in that an adhesion increasing layer is attached to the anti-bacterial surface layer, the adhesion increasing layer is a titanium oxide layer, the thickness of the adhesion increasing layer is 100 ~ 150nm, the titanium oxide has good anti-corrosion and anti-friction effects, and the service life of the anti-bacterial ceramic bowl can be prolonged.
After the ceramic bowl substrate is completely dried or biscuit-fired, fettling and cleaning, glazing to form a glaze layer, uniformly attaching the nano zinc oxide antibacterial agent to the surface of the glaze layer in the same way as glazing of the glaze layer, and after firing through a firing process, sequentially forming the glaze layer and the antibacterial layer on the surface of the ceramic bowl substrate.
The preparation steps of the nano zinc oxide antibacterial layer are as follows:
(1) preparing a nano zinc oxide solution from nano zinc oxide, deionized water and sodium polyacrylate according to a ratio of 3:20: 1;
(2) dispersing the solution obtained in the step (1) on a high-speed dispersion machine for 10 min;
(3) and (3) putting the solution obtained in the step (2) into a nano grinder to grind for 1 hour to obtain a stable nano zinc oxide dispersion liquid.
The steps of attaching the nano zinc oxide antibacterial layer to the ceramic substrate layer are as follows:
(1) completely drying or biscuiting the ceramic bowl substrate; (2) trimming the ceramic substrate layer and cleaning the surface; (3) glazing the ceramic substrate layer to form an unsintered glaze layer; (4) uniformly attaching the nano zinc oxide antibacterial agent to the surface of the glaze layer in the same way as the step (3); (5) putting the mixture into a kiln to be fired through a firing process; (6) and sequentially forming a glaze layer and an antibacterial layer on the surface of the ceramic substrate.
The utility model provides an antibiotic top layer can not only increase intensity, durability and the elasticity of ceramic bowl, and safe nontoxic, chemical stability is high, the antibiotic performance is stable lasting, in daily use, through washing repeatedly after, the bacterinertness still can reach more than 90%.
The shape of the antibacterial ceramic bowl is circular or polygonal, the specific shape of the antibacterial ceramic bowl can be designed according to specific requirements, and the shape of the antibacterial ceramic bowl is not specifically limited in the technical scheme. The inner wall of the antibacterial ceramic bowl is also provided with a buckle for fixing the long-handle cooking utensil in the antibacterial ceramic bowl, and the buckle is linear or plate-shaped. When putting into antibiotic ceramic bowl with long handle cooking utensil, long handle cooking utensil's border card is in the below of buckle, and long handle cooking utensil's handle supports and leans on the border of antibiotic ceramic bowl, because long handle cooking utensil's handle is longer, long handle cooking utensil's focus is on the handle, therefore long handle cooking utensil is whole to be fixed in antibiotic ceramic bowl. The long-handle cooking utensil is a soup ladle or a colander. The buckle is arranged on the inner wall of the antibacterial ceramic bowl, so that a cooking utensil with a long handle such as a soup ladle or a colander can be conveniently fixed in the antibacterial ceramic bowl, and the antibacterial ceramic bowl is attractive and sanitary and brings great convenience to cooking.
The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.
Claims (10)
1. An antibiotic ceramic bowl, includes bowl end and bowl wall, its characterized in that: the section of the bowl bottom and the bowl wall is of the following multilayer structure:
a ceramic substrate layer,
at least one glaze layer attached on the ceramic substrate layer,
at least one antibacterial surface layer attached to the outer surface of the glaze layer,
the antibacterial surface layer is a nano zinc oxide antibacterial layer, in the cross section structure of the layer, the particle size of zinc oxide particles is 10-50 nm, the inter-particle distance of the zinc oxide particles is 20-100 nm, and the sum of the cross section areas of all the zinc oxide particles accounts for 30-80% of the cross section area of the layer; the glaze layer and the antibacterial surface layer are formed by sequentially coating enamel and an antibacterial agent on the ceramic substrate layer, and sequentially forming a solid glaze layer and an antibacterial surface layer on the ceramic substrate layer through a preset sintering process.
2. The antibacterial ceramic bowl as claimed in claim 1, wherein the antibacterial surface layer has a thickness of 40 ~ 250 nm.
3. The antibacterial ceramic bowl as claimed in claim 1, wherein the antibacterial surface layer has a thickness of 100 ~ 200 nm.
4. An antibacterial ceramic bowl according to claim 1, characterized in that: the antibacterial surface layer is provided with two layers which are respectively attached to two side surfaces of the ceramic substrate layer.
5. An antibacterial ceramic bowl according to claim 1, characterized in that: an adhesion increasing layer is attached to the antibacterial surface layer.
6. The antibacterial ceramic bowl as claimed in claim 5, wherein the adhesion-promoting layer is a titanium oxide layer, and the thickness of the adhesion-promoting layer is 100 ~ 150 nm.
7. An antibacterial ceramic bowl according to claim 1, characterized in that: the shape of the antibacterial ceramic bowl is circular or polygonal.
8. An antibacterial ceramic bowl according to claim 1, characterized in that: the inner wall of the antibacterial ceramic bowl is provided with a buckle used for fixing the long-handle cooking utensil in the antibacterial ceramic bowl.
9. An antibacterial ceramic bowl according to claim 8, characterized in that: the buckle is linear or plate-shaped.
10. An antibacterial ceramic bowl according to claim 8, characterized in that: the long-handle cooking utensil is a soup ladle or a colander.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678762.7U CN209923216U (en) | 2018-10-16 | 2018-10-16 | Antibacterial ceramic bowl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678762.7U CN209923216U (en) | 2018-10-16 | 2018-10-16 | Antibacterial ceramic bowl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209923216U true CN209923216U (en) | 2020-01-10 |
Family
ID=69065263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821678762.7U Active CN209923216U (en) | 2018-10-16 | 2018-10-16 | Antibacterial ceramic bowl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209923216U (en) |
-
2018
- 2018-10-16 CN CN201821678762.7U patent/CN209923216U/en active Active
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