TWI653956B - Beverage filter device and its preparation method - Google Patents

Abstract

A beverage filter and a preparation method thereof, the beverage filter is formed by mixing a plurality of ceramic particles having different particle diameters to form a plurality of ceramic pore structures, and is subjected to preparation methods such as forming, firing, and trimming of the embryo body to filter the beverage. The device can quickly remove the tea scale, dirt and odor accumulated by the beverage filter by means of high-temperature baking, thereby effectively achieving the functions of environmental protection and repeated use, and filtering the powder of fine particles to be brewed. A beverage filter that allows it to completely filter out excess impurities and reveal a delicate mouthfeel.

Description

Beverage filter and preparation method thereof

The invention relates to a beverage filter and a preparation method thereof, in particular to a beverage filter with a ceramic pore structure formed by firing ceramic particles, and the beverage prepared by the method of forming, firing and trimming the embryo body. Filter and preparation method thereof.

Modern people like to drink such beverages (such as coffee, tea or other kinds of brewing materials), so filters that can filter brewing are already indispensable. For example, coffee or tea is brewed into a beverage. The brewing process requires a filter device such as a filter paper or a filter to carry coffee powder or tea and filter the liquid to allow the user to taste the brewed beverage.

However, such materials to be brewed in the prior art generally have different types of special containers (such as coffee machines) and filter devices thereof, wherein the filter devices are usually made of a metal material or a polymer resin material (eg, polypropylene). The filter device is not suitable for use in other different containers, and the above-mentioned tools are not only inconvenient for the user but also costly, so that the user can easily make a drink at any time.

In order to solve the above problem, the new patent No. M525698 of the Republic of China proposes a filter cup comprising a paper tube body, a waterproof layer and a filter layer, the waterproof layer covering the paper tube body to form a good waterproof structure. The waterproof layer and the material of the filter layer are, for example, polyethylene (PE). The utility model solves the problem of inconvenient carrying and high cost, but the filter cup adopts the structure in which the waterproof layer covers the paper tube body, which is limited by the material relationship, and the filter cup is easily used as a filter for disposable disposal. Waste, environmental protection and health concerns.

In addition, when brewing, brewing coffee or tea, etc., it is necessary to carry coffee powder or tea leaves by a special container filter device to extract coffee or tea. However, the bottom surface of the filter device is usually a grid structure. Referring to FIG. 1 , it is a schematic diagram of a filter device of the prior art. The filter device ( 100 ) includes a receiving body (110) and a flange (120). And a mesh bottom surface (130), the receiving body (110) further includes an open end (not shown), wherein the receiving body (110) is for accommodating a to-be-buffered object (the illustration is not drawn The flange (120) is used to secure the filter device (100) to a container (not shown). When brewing the beverage, the object to be brewed is placed in the receiving body (110), and a fluid (not shown) is injected into the receiving body (110) through the open end, and the fluid flows through the standby After the foam is formed, a drink (not shown) is formed, and the beverage is filtered through the bottom surface (130) of the mesh to further flow the beverage into the container; however, the aperture of the bottom surface (130) of the mesh is usually 800. Micron (μm) or more, thereby causing the beverage to quickly flow into the container, so that the to-be-infused matter cannot be sufficiently wetted by the fluid or the beverage and the essential component or aroma of the to-be-infused matter cannot be dissolved, thereby causing the waiting Waste of brewing.

For the problems encountered above, the industry is currently unable to provide an effective solution, and this problem is indeed an urgent problem to be overcome in the industry.

Today, the inventor is still in the light of the fact that there are still many shortcomings in the actual implementation of the traditional filter cup. It is a tireless spirit and is supplemented by its rich professional knowledge and years of practical experience. This research has created the present invention.

In order to solve the foregoing problems, the main object of the present invention is to provide a beverage filter comprising a plurality of ceramic pore structures formed by a plurality of ceramic particles, and which are formed, fired, and trimmed by an embryo body. By the method, if the filtering effect of the beverage filter is not good, the high-temperature baking method can be used to remove the tea scale, dirt and odor accumulated on the beverage filter, and achieve environmental protection and repeated use. The efficacy, and the beverage filter is suitable for different brewing appliances, the beverage filter not only carries convenience but also achieves the effect of overall filtration.

Another object of the present invention is to provide a beverage filter and a preparation method thereof, which are formed by mixing a plurality of ceramic particles having different particle diameters to form a plurality of ceramic pore structures, and forming, firing, and trimming the embryo body. The beverage filter can be used to filter the fine particles of the powder to be brewed, to completely filter the excess impurities, and to fully exhibit the beverage of the beverage with a delicate mouthfeel and a preparation method thereof.

In order to achieve the above object, the present invention provides a beverage filter and a preparation method thereof, the beverage filter comprising at least: a receiving body, the receiving body comprising a cavity wall and a bottom surface, the volume wall having an upper end and a lower end The lower end of the cavity is connected to the bottom surface, and at least one of the cavity and the bottom surface comprises a plurality of ceramic pore structures formed by stacking a plurality of ceramic particles; an open end, the open end is disposed The upper end of the housing wall; and an accommodating space, the housing wall, the bottom surface and the open end enclose the receiving space.

According to the above technical feature, the housing wall and the bottom surface are integrally formed.

According to the above technical feature, the bulk wall and the bottom surface comprise a plurality of the ceramic pore structures.

According to the above technical feature, the inner side surface and the outer side surface of the arm wall and the inner side surface and the outer side surface of the bottom surface are formed with a plurality of open type cavities.

According to the above technical feature, a plurality of closed holes are formed in the interior of the cavity and the interior of the bottom surface.

According to the above technical feature, the lower end of the cavity is connected to the bottom surface non-perpendicularly.

According to the above technical feature, the inner side of the cavity forms an angle with the inner side of the bottom surface, and the angle of the angle is between 105° and 160°.

According to the above technical feature, the angle is 140°.

According to the above technical feature, the cross-sectional area enclosed by the upper end of the volume is greater than the cross-sectional area enclosed by the lower end of the wall.

According to the above technical feature, a thickness of a bottom surface of the bottom surface is smaller than a bulk thickness of the capacitance wall.

According to the above technical feature, the wall thickness is between 6 and 9 mm.

According to the above technical feature, the thickness of the bottom surface is between 1.5 and 4 mm.

According to the above technical feature, the wall thickness is 7 mm.

According to the above technical feature, the thickness of the bottom surface is 3 mm.

According to the above technical feature, the beverage filter includes a plurality of ribs.

According to the above technical feature, a plurality of the ribs are disposed on an inner side surface of the housing wall.

According to the above technical feature, a plurality of the ribs extend from the upper end of the cavity toward the lower end of the cavity.

According to the above technical feature, the beverage filter includes a flange.

According to the above technical feature, the flange is disposed at the upper end of the wall and protrudes away from the wall.

According to the above technical feature, the beverage filter includes a base.

According to the above technical feature, the base extends from the bottom surface away from the housing wall.

According to the above technical feature, the beverage filter includes a handle.

According to the above technical feature, the handlebar is disposed on the outer side surface of the housing wall.

In addition, in order to achieve the above-mentioned implementation, the inventors further propose a method for preparing a beverage filter, comprising at least one beverage filter as described above, further comprising the steps of: the plurality of ceramic particles having different particle sizes The appropriate ratio is mixed to form the primordial embryo; then, the blasting embryo is formed by any method such as spinning embryo, pressing, grouting, etc.; after the embryo body is molded and dried, the embryo body is fired to form a plurality of embryos. The body of the ceramic pore structure; finally, trimming; wherein the ceramic particles have a particle size ranging from 48 micrometers (μm) to 150 micrometers (μm).

According to the above technical feature, the material of the ceramic particles is preferably selected from the group consisting of cerium carbide, aluminum oxide, aluminum nitride, tantalum nitride, boron nitride, graphite, or the like, or a mixture of two or more materials.

According to the above technical feature, the wall thickness is between 6 and 9 mm.

According to the above technical feature, the thickness of the bottom surface is between 1.5 and 4 mm.

According to the above technical feature, the beverage filter includes a plurality of ribs extending from the upper end of the container wall to the lower end of the container wall.

In order to understand the technical characteristics, content and advantages of the creation and the effects that can be achieved by the examiner, the author will use the drawings in detail and explain the following in the form of the examples, and the drawings used therein The subject matter is only for the purpose of illustration and supplementary instructions. It is not necessarily the true proportion and precise configuration after the implementation of the original creation. Therefore, the proportions and configuration relationships of the attached drawings should not be interpreted or limited in the actual implementation scope. First described.

The above described features and advantages of the present invention will become more apparent and understood.

2 is a perspective view of a first embodiment of the beverage filter of the present invention and a partial enlarged view thereof. Specifically, the beverage filter (20) of the embodiment includes at least a receiving body (21), an open end (22) and an accommodating space (23). The accommodating body (21) further includes a cavity (212) and a bottom surface (213), the cavity (212) having an upper end and a lower end opposite to each other, the lower end of the cavity (212) being associated with the The bottom surface (213) is in contact with each other. In the embodiment, the lower end of the housing wall (212) is non-perpendicularly connected to the bottom surface (213); wherein the housing wall (212) or the bottom surface (213) comprises a plurality of ceramic pore structures (211) formed by stacking and sintering a plurality of ceramic particles (N), and in a preferred embodiment of the present invention, wherein the ceramic particles (N) may be tantalum carbide, and the ceramic pore structure The size of (211) may be 90 to 300 micrometers (μm). Of course, in the embodiment, the volume (212) and the bottom surface (213) comprise a plurality of ceramic particles (N) stacked and sintered. The ceramic pore structure (211), and the cavity wall (212) and the bottom surface (213) are integrally formed; each of the ceramic pore structures (211) forms a through-channel, and the plurality of ceramic pore structures (211) A plurality of the channels are formed through the walls (212), and a plurality of the ceramic pore structures (211) extend through the bottom surface (213) to form a plurality of the channels. The open end (22) is disposed at an end of the receiving wall (212) relative to the bottom surface (213), that is, the open end (22) is disposed at the upper end of the receiving wall (212). The receiving wall (212), the bottom surface (213) and the open end (22) enclose the accommodating space (23), and the open end (22) communicates with the accommodating space (23) to make the brewing A fluid (not shown) of the brewing material (not shown) is injected into the accommodating space (23) from the open end (22), and then flows through the bulk wall (212) and the bottom surface (213). The ceramic pore structure (211) flows out of the beverage filter (20) through the ceramic pore structure (211). Therefore, the plurality of ceramic pore structures (211) formed by stacking and sintering the plurality of ceramic particles (N) provide a filtering effect between the accommodating space (23) and the outside. Compared with the condition without pore structure, the present invention has a plurality of channels formed by the ceramic pore structure (211), and in addition to providing a filtering effect, the beverage filter of the present invention is unexpectedly formed (20). ) The effect of lightweighting.

In detail, the bottom surface (213) in this embodiment is circular, but the creation is not limited thereto. In other embodiments, the bottom surface (213) may be one of a quadrilateral shape or a polygonal shape, for example. The circular bottom surface (213) is suitable for normal use conditions, such as a generally visible cylindrical cup and its circular cup opening, and the quadrangular or polygonal bottom surface (213) is suitable for a specially shaped cup and cup opening. Therefore, the beverage filter (20) of the present invention can be produced according to the needs of different shapes, has a shape that is not restricted by the fixed shape, and has the effect of elastically adjusting the production.

Please refer to Fig. 3 for a cross-sectional view of the beverage filter of the present invention and a partial enlarged view thereof. Specifically, in the beverage filter (20) of the embodiment, the lower end of the housing wall (212) is in contact with the bottom surface (213), and the housing wall (212) and the bottom surface (213) are comprised by a plurality of the ceramic pore structures (211) formed by stacking and sintering the ceramic particles (N), and the plurality of ceramic pore structures (211) penetrating through the bulk walls (212) and the bottom surface (213) to form a plurality of The passage, and the wall (212) and the bottom surface (213) are integrally formed. Since the pore size of the ceramic pore structure (211) is very small compared to the mesh size of the mesh bottom surface mentioned in the prior art, the pore size of the ceramic pore structure (211) is very small, so that the object to be brewed is brewed. (24) The beverage (25) (e.g., coffee) after (e.g., coffee powder) is capable of staying in the accommodating space (23) for a longer period of time, i.e., making the essence of the object to be brewed (24) The ingredient can have more time to diffuse into the drink (25), so that the drink (25) has a mellow taste due to containing more of the essence component of the substance to be brewed (24), thereby also making the brewing The essence component of the to-be-infused material (24) can be obtained in one time, so that the beverage filter (20) of the present invention can achieve the effect of making good use of the to-be-infused matter (24) without wasting.

Furthermore, since the container wall (212) and the bottom surface (213) are formed by stacking and sintering a plurality of the ceramic particles (N), in the case where a plurality of the ceramic particles (N) are stacked on each other, in addition to forming a plurality In addition to the ceramic pore structure (211), the inner side surface and the outer side surface of the bulk wall (212) and the inner side surface and the outer side surface of the bottom surface (213) are also formed with a plurality of open-type holes (2112), the open type The cavity (2112) is in communication with outside air and stores air. In the embodiment of Fig. 3, a partial enlarged view of the bottom surface (213) is taken as an example, and those skilled in the art should be able to infer that the wall (212) also has a plurality of the open holes (2112). Since the open type cavity (2112) is in communication with the outside air and stores air, the drink (25) (eg, coffee) after brewing the object to be brewed (24) (eg, coffee powder) can be stored and stored. The oxygen in the air of the open cell (2112) is oxidized to make the drink (25) more glycolic. The open cavity (2112) unexpectedly also forms a further lightweighting effect of the beverage filter (20) of the present invention.

In addition, since the capacitor wall (212) and the bottom surface (213) are formed by stacking and sintering a plurality of the ceramic particles (N), in the case where a plurality of the ceramic particles (N) are stacked on each other, in addition to forming a plurality The ceramic pore structure (211) and the inner and outer surfaces of the cavity wall (212) and the inner and outer surfaces of the bottom surface (213) are also formed with a plurality of open-type holes (2112). A plurality of closed holes (2111) are formed in the interior of the (212) and the bottom surface (213). The closed holes (2111) are covered and stored with air to form a bubble-like structure. In the embodiment of Fig. 3, a partial enlarged view of the bottom surface (213) is taken as an example, and those skilled in the art should be able to infer that the wall (212) also has a plurality of the closed holes (2111). Since the closed type hole (2111) is covered and stored with air, another lightweight effect of the beverage filter (20) of the present invention is formed.

Please refer to FIG. 3 again, wherein the lower end of the cavity (212) is non-perpendicularly connected to the bottom surface (213), and the inner side and the bottom surface of the cavity (212) in the accommodating space (23) The inner side of (213) forms an angle θ, the angle of the angle θ is between 105° and 160°; the angle θ is preferably 140°. Further, the cross-sectional area of the upper end of the housing wall (212) of the present embodiment is larger than the cross-sectional area of the lower end of the housing wall (212). Therefore, the housing space of the embodiment is (23) is formed in a funnel shape by the upper end of the housing wall (212) inwardly toward the lower end of the housing wall (212), so that the beverage filter (20) can be easily placed in a container ( The beverage filter (20) can be suitably secured to the various containers of different sizes and can provide a good filtering effect.

It is worth mentioning that the thickness (H1) of a bottom surface of the bottom surface (213) of the embodiment is smaller than a bulk thickness (H2) of the capacitance wall (212), and the thickness (H2) of the capacitance wall is between 6 Between 9 mm, the optimum wall thickness (H2) is 7 mm; the thickness of the bottom surface (H1) is between 1.5 and 4 mm, and the thickness of the bottom surface (H1) is preferably 3 mm. Since the bottom thickness (H1) is smaller than the bulk thickness (H2), the filtering rate of the bottom surface (213) is made larger than the filtering rate of the housing wall (212), so that most of the beverage (25) is directly The bottom surface (213) is filtered and flows out of the beverage filter (20). In other words, the ceramic pore structure (211) located at the wall (212) and the bottom surface (213) is 90 to 300 micrometers (μm), preferably 130 to 220 micrometers (μm), so that the The beverage (25) smoothly flows in the ceramic pore structure (211), and at the same time, the fine particles to be infused (for example, the coffee powder is about 500 micrometers (μm) or more) can be filtered, so that the filtration effect can be achieved.

The ceramic pore structure (211) can withstand a temperature of 400 to 500 degrees Celsius. When the filter effect of the beverage filter (20) is not good, the high temperature baking method can be used to remove the adhesion to the beverage filter (20). ) Accumulated tea scale, dirt and odor, and achieve the effect of repeated use.

Furthermore, in order to enable the reviewing committee to have a more in-depth and specific understanding of the present invention, please refer to FIGS. 4 and 5 together for an enlarged view of the ceramic structure of the present invention and a flow chart of the steps of the method for preparing the beverage filter. Wherein the beverage filter of the present invention is prepared by using a beverage filter as described above, which further comprises the following steps: Step 1 (S1): appropriately making a plurality of ceramic particles (N) having different particle sizes The ratio is mixed to form the primordial; step 2 (S2): Next, the blasting is performed by any method such as spinning embryo, pressing, grouting, etc.; Step 3 (S3): After the embryo body is molded and dried, Burning the embryo body to form a plurality of embryo bodies of the ceramic pore structure (211); and step 4 (S4): finally, trimming; in the above embodiment, wherein the particle size of the ceramic particles (N) is Between 48 micrometers (μm) and 150 micrometers (μm); and the ceramic particles (N) are preferably made of tantalum carbide, aluminum oxide, aluminum nitride, tantalum nitride, boron nitride, graphite, etc. One or more materials are mixed to allow the beverage filter to be filtered When the fine particles of the powdered material to be brewed, the impurities can be completely superfluous filtered, and the filter process of Item delicate beverage and taste of the beverage show sufficiently.

Please refer to Fig. 6 for a brewing diagram of the beverage filter of the beverage filter of the present invention. The to-be-injected material (24) is placed in the accommodating space (23) of the beverage filter (20), and the fluid is injected into the beverage filter (20), and the fluid is injected into the accommodating space (23). Brewing the beverage (24) to form the beverage (25), the beverage (25) flowing through the wall (212) and the bottom surface (213), and flowing out to the beverage filter through the ceramic pore structure (20) Outside the container (30).

The beverage filter of the other aspects will be described below. It should be noted that in the following embodiments, the same or similar elements as those of the previous embodiment are denoted by the same reference numerals and will not be described again. Only different embodiments will be described. difference between.

Referring to Figure 7, a perspective view of a second embodiment of the beverage filter of the present invention is shown. Specifically, the beverage filter (20) of the present embodiment further includes at least one flange (214) and a plurality of ribs (215). The flange (214) is disposed at the upper end of the wall (212) and protrudes away from the wall (212) to facilitate gripping by a user (not shown). A plurality of the ribs (215) are disposed on an inner side surface of the housing wall (212), and a plurality of the ribs (215) extend from the upper end of the housing wall (212) toward the lower end of the housing wall (212). However, the embodiment is not limited thereto. In other embodiments, the plurality of ribs (215) may also be ring-shaped. In detail, the flange (214) surrounds the upper end of the container wall (212), but the embodiment is not limited thereto, so that the beverage filter (20) of the embodiment is fixed to the container. Achieve a solid effect. In addition, a plurality of the ribs (215) provide a surface for the beverage to contact more of the wall (212) as it flows through the wall (212), thereby increasing the filtration rate of the wall (212).

Please refer to FIG. 8 as a perspective view of a third embodiment of the beverage filter of the present invention. Specifically, the beverage filter (20) of the embodiment further includes at least one base (216) and one handle (218). The base (216) is disposed at one end of the bottom surface (213), and the base (216) extends from the bottom surface (213) away from the housing wall (212), wherein the base (216) can The beverage filter (20) of the embodiment is placed over the opening of the container to provide a stabilizing effect. The handlebars (218) are disposed on the outer surface of the housing wall (212), wherein the handlebars (218) are in a closed state, but the embodiment is not limited thereto. In other embodiments, the handlebars (218) are not limited thereto. The handlebar (218) can also be an open style. Further, the handle (218) allows the user to take the beverage filter from the opening of the container without touching the container of the beverage filter (20) of the embodiment. The device (20) avoids the scalding of the beverage filter (20) heated by the fluid at a high temperature.

It can be seen from the above description that the present invention has the following advantages compared with the prior art: 1. A beverage filter and a preparation method thereof, the beverage filter comprising a plurality of ceramic particles The ceramic pore structure is formed by the method of forming, firing and trimming the embryo body. If the filtering effect of the beverage filter is not good, the high temperature baking method can be used to remove and adhere to the beverage filter. The tea scale, dirt and odor are environmentally friendly and reusable, and the beverage filter is suitable for different brewing appliances. The beverage filter not only carries convenience but also achieves the overall filtering effect. 2. A beverage filter and a preparation method thereof, which are beverage filters prepared by means of forming, firing, trimming, etc., to enable filtering of fine particles of powdery objects to be brewed by the beverage filter At the time, it is possible to completely filter out the excess impurities and fully display the beverage filter with a delicate taste of the beverage.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make a few changes without departing from the spirit and scope of the invention. Retouching, the scope of protection of the invention is subject to the definition of the scope of the appended patent application.

[Prior technology]

(100)‧‧‧ Filter devices

(110)‧‧‧ 容容

(120) ‧‧‧Flange

(130) ‧‧‧ mesh bottom

[this invention]

(20) ‧‧‧Filter

(21)‧‧‧ 容容

(211)‧‧‧Ceramic pore structure

(212) ‧‧‧ ‧

(213) ‧‧‧ bottom

(214) ‧‧‧Flange

(215)‧‧‧ Ribs

(216)‧‧‧Base

(218)‧‧‧Handles

(22) ‧ ‧ open end

(23) ‧‧‧ accommodating space

(24) ‧‧‧Burns to be brewed

(25) ‧ ‧ drinks

(30) ‧ ‧ container

(H1)‧‧‧Bottom thickness

(H2) ‧‧ ‧ wall thickness

(N)‧‧‧Ceramic particles

(θ)‧‧‧ angle

(S1)~(S4)‧‧‧Steps 1~4

1 is a schematic view of a conventional filter; FIG. 2 is a perspective view of a first embodiment of the beverage filter of the present invention and a partial enlarged view thereof; FIG. 3 is a cross-sectional view of the beverage filter of the present invention and a partial enlarged view thereof. Figure 4 is an enlarged view of the ceramic structure of the beverage filter of the present invention; Figure 5 is a flow chart of the preparation method of the beverage filter of the present invention; Figure 6 is a schematic diagram of brewing of the beverage filter of the present invention; Fig. 7 is a perspective view showing a second embodiment of the beverage filter of the present invention; Fig. 8 is a perspective view showing a third embodiment of the beverage filter of the present invention.

Claims (9)

A beverage filter comprises at least a receiving body (21), the receiving body (21) comprising a cavity (212) and a bottom surface (213), the cavity wall (212) and the bottom surface (213) In one piece, the housing wall (212) has an upper end and a lower end, and the lower end of the housing wall (212) is in contact with the bottom surface (213), and at least the housing wall (212) and the bottom surface (213) One of them comprises a plurality of ceramic pore structures (211) formed by firing a plurality of ceramic particles (N) having different particle sizes, and the ceramic pore structure of the capacitor wall (212) and the bottom surface (213) 211) is 90 to 300 micrometers (μm) in size; wherein a bottom surface thickness (H1) of the bottom surface (213) is smaller than a bulk wall thickness (H2) of the capacitance wall (212); an open end (22) The open end (22) is disposed at the upper end of the receiving wall (212); an accommodating space (23), the receiving wall (212), the bottom surface (213) and the open end (22) enclose the capacity a space (23); an inner side surface and an outer side surface of the inner wall surface (212) and an inner side surface and an outer side surface of the bottom surface (213) are formed with a plurality of open-type holes (2112); and an inner portion of the inner wall (212) And the inside of the bottom surface (213) is also formed with a plurality of dense Type apertures (2111); wherein the ceramic particles (N) of a particle size between 48 micrometers system ([mu] m) to 150 micrometers ([mu] m) between. The beverage filter of claim 1, wherein the bulk wall thickness (H2) is between 6 and 9 mm. The beverage filter of claim 2, wherein the bottom surface thickness (H1) is between 1.5 and 4 mm. The beverage filter of claim 3, wherein the beverage filter (20) comprises a plurality of ribs (215), the plurality of ribs (215) extending from the upper end of the receptacle (212) To the lower end of the wall (212). A method for preparing a beverage filter, comprising at least the beverage filter (20) according to claim 1, further comprising the step of: making a plurality of ceramic particles (N) having different particle sizes suitable The ratio is mixed to form the primordial embryo; then, the primordial embryo is further shaped by the embryo mold, pressing, grouting, etc.; after the embryo body is formed and dried, the embryo body is fired to form a plurality of the ceramic pores. The embryo body of the structure; finally, trimming; wherein the ceramic particles (N) have a particle diameter of between 48 micrometers (μm) and 150 micrometers (μm). The method for preparing a beverage filter according to claim 5, wherein the ceramic particle (N) is preferably made of tantalum carbide, aluminum oxide, aluminum nitride, tantalum nitride, boron nitride or graphite. Mix any one or two or more materials. The method of preparing a beverage filter according to claim 6, wherein the bulk wall thickness (H2) is between 6 and 9 mm. The method of preparing a beverage filter according to claim 7, wherein the thickness of the bottom surface (H1) is between 1.5 and 4 mm. The method for preparing a beverage filter according to claim 6, wherein the beverage filter (20) comprises a plurality of ribs (215), and the plurality of ribs (215) are formed by the container wall (212) The upper end extends to the lower end of the housing wall (212).