KR101799699B1 - Filtration apparatus for beverages - Google Patents

Abstract

According to the present invention, an extract liquid filtering device includes: a temporary storage tank temporarily storing diatomite powder; a filter assembly including at least one filter plate on which a diatomite filtering layer is placed to remove impurities from edible extract liquid; an insertion pipe inserting diatomite powder and some of the extract liquid into the filter assembly by connecting the temporary storage tank to the filter assembly, and inserting the extract liquid into the filter assembly after the formation of the diatomite filtering layer; a discharge pipe discharging the extract liquid filtered through the filter assembly; and a supply pump placed on the insertion pipe to supply outer air and the extract liquid to the filter assembly. According to the present invention, extract liquid, which is a material to be filtered, is transferred along the edge to an upper transfer hole and a slope hole so that the liquid is able to go through the diatomite filtering layer formed on the entire plate, and thus, a filtering capacity is increased and filtering efficiency is improved. Moreover, the filter plate is able to be assembled or disassembled by using an upper casing and a pressurizing member, and thus, a filter is able to be easily assembled with or separated from the filter assembly, so costs for maintenance get reduced.

Description

{FILTRATION APPARATUS FOR BEVERAGES}

The present invention relates to a liquid-phase undiluted filtration apparatus, and more particularly, to a liquid-phase undiluted filtration apparatus which removes impurities in a liquid such as a plum solution or soy sauce through a diatomite filtration layer.

BACKGROUND OF THE INVENTION Filtration devices that filter fluids are widely used throughout the industry. For example, it is indispensably required for various products in various fields such as water treatment, wastewater treatment, ship ballast treatment apparatus, and drinking water production process.

The operation principle of such a filtration apparatus is largely classified into a granular filtration system of a composite medium filtration system using a single medium filtration using a filter medium such as diatomaceous earth, sand or anthracite coal or a complex filtration system using one or more filtration materials and a filter filtration . ≪ / RTI > Particularly, in the case of drinking water to be consumed by a person, for example, a fruit juice solution such as a beverage, a purified water, a plum or a liquid food additive such as vinegar or soy sauce (hereinafter referred to as a liquid raw juice) Devices.

However, in the case of the conventional liquid undiluted filtration apparatus, there is a disadvantage in that the filtration performance is low due to limitations of the structure and shape of the filter. To prevent this, there is a problem in that the filtration capacity becomes low if the structure of the filter becomes complicated.

In addition, when the structure of the filter and the filter assembly is complicated to improve the filtration performance, it is difficult to disassemble and assemble the filter when the filter is regularly replaced, thereby increasing the maintenance cost.

Disclosure of Invention Technical Problem [8] The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a filtration apparatus, And a liquid-phase undiluted filtration device.

Also, since the filter plate can be assembled and disassembled using the upper casing and the pressure member, it is possible to easily disassemble and assemble the filter assembly when the filter is to be replaced, thereby reducing the maintenance cost. do.

According to an aspect of the present invention, there is provided an apparatus for filtrating a liquid phase liquid, comprising: a temporary storage tank for temporarily storing diatomaceous earth powder; A filter assembly in which at least one filter plate having a diatomaceous filtration layer for removing impurities in an edible liquid stock solution is arranged on an upper surface thereof; An inlet pipe for interconnecting the temporary storage tank and the filter assembly to feed the diatomite powder together with a portion of the liquid raw solution onto the filter assembly, and then the diatomaceous filtration layer is formed and then the liquid raw solution is introduced into the filter assembly; A discharge pipe for discharging the liquid raw stock filtered in the filter assembly; And a feed pump provided on the feed pipe and supplying the liquid stock solution and the outside air to the filter assembly.

And a recovery pipe connected to the upper portion of the filter assembly and the temporary storage tank to recover the diatomite powder and the liquid stock solution to the temporary storage tank.

Wherein the filter plate has a plurality of filter plates, the filter assembly being attached to an upper surface of the filter plate and adsorbing the diatomite powder; A lower collecting block disposed below the filter plate to partially insert the filter plate and to form a collection space in which the liquid stock solution is collected to be collected; An upper casing disposed above the filter plate; And a pressing member that interconnects the lower collecting block and the upper pressure casing and presses the plurality of filter plates upward and downward.

The filter assembly may further include a spacing member interposed between the filter plates so as to form a space for fluidizing the liquid stock solution and air between the filter plates and spaced apart from each other by a pair of neighboring filter plates.

The filter assembly may further include a pressure gauge provided in the upper casing to measure a pressure of the liquid raw material liquid in the filter assembly.

The filter plate includes a lower transfer hole for transferring the liquid raw material filtered from the diatomite filtration layer to a lower portion and a communication hole communicating with the lower transfer hole at equal intervals along the circumferential direction A central hub; At least one sealing member provided on one surface and provided at an adjacent region of the central hub or the edge; And a pattern forming unit provided on one surface of the diatomaceous earth to support the diatomaceous filtration layer and the adsorbent, and protruding from the plate surface, wherein a pattern is formed.

The spacing member may be partially inserted into the center hub.

Wherein the filter plate is provided with an upward transfer hole provided regularly along the periphery of the filter plate to transfer the liquid stock solution upward; And an inclined hole communicating with the transfer hole and tapered radially inward.

The filter plate may be made of polyethylene (PE), and the adsorbent may be made of a polyester material.

The liquid stock solution may be any one of a stock solution or diluent for liquid seasoning such as soy sauce, vinegar or the like, or a fruit stock solution or diluent such as a plum, a fruit wine, or the like.

In the liquid undiluted filtration apparatus according to the present invention, the liquid raw liquid to be filtered is conveyed along the edge to the upper transfer hole and the inclined hole, and can pass through the diatomite filtration layer formed on the entire plate surface, thereby increasing the filtration capacity and improving the filtration efficiency. , The filter plate can be assembled and disassembled by using the upper casing and the pressing member, so that the filter assembly can be easily disassembled and assembled when the filter is to be replaced, so that the maintenance cost can be reduced.

1 is a perspective view of a liquid undiluted filtration apparatus according to an embodiment of the present invention.
2 is a front view of Fig.
Figure 3 is a rear view of Figure 1;
4 is an exploded perspective view of a filter assembly section in a liquid undiluted filtration apparatus according to an embodiment of the present invention.
5 is a perspective view of the filter plate and the spacing member in Fig.
Fig. 6 is a sectional view of Fig. 5. Fig.
7 is a schematic cross-sectional view of a filter assembly of a liquid undiluted filtration apparatus according to an embodiment of the present invention, in which a filter plate, a spacer, and a diatomaceous filtration layer on a filter plate are coated.
8 is a partial enlarged view of Fig.
FIG. 9 is a view schematically showing a filtration flow in which a crude liquid liquid is filtered in a filter assembly in a liquid-source undiluted filtration apparatus according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a liquid undiluted filtration apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a front view of Fig. 1, Fig. 3 is a rear view of Fig. 1, Fig. 4 is a cross-sectional view of a liquid undiluted filtration apparatus according to an embodiment of the present invention, Fig. 5 is a perspective view of the filter plate and the spacing member in Fig. 4, Fig. 6 is a sectional view of Fig. 5, and Fig. 7 is a cross-sectional view of the filter of the liquid undiluted filtration apparatus according to the embodiment of the present invention. FIG. 8 is a partial enlarged view of FIG. 7; FIG. 8 is a partial enlarged view of FIG. 7; FIG. 8 is a partial enlarged view of the filter plate and spacers and a diatomaceous filtration layer on the filter plate; FIG.

Prior to explanation, the object to be filtered of the liquid undiluted filtration apparatus according to the embodiment of the present invention is intended to be drinking water or a similar beverage or food additive to be drunk directly into the human body, and in this embodiment, the liquid seasoning such as soy sauce, vinegar, A raw solution or a diluting solution, or a fruit undiluted solution such as a plum, fruit, or the like is selected and described. Since the drinking water, beverage or food additive ingested into the human body, each of the components of the liquid undiluted filtration apparatus described below may be provided in a material meeting the KFDA recommendation standard.

As shown in FIGS. 1 to 8, the liquid-based undiluted filtration apparatus according to the present invention comprises a temporary storage tank 10 for temporarily storing diatomaceous earth powder, a diatomaceous earth filtration layer 32 for removing impurities in the liquid stock solution for food, (10) and the filter assembly (20) are connected to each other to form the diatomaceous earth powder (20). The filter assembly (20) comprises at least one filter plate An inlet pipe 60 for introducing the liquid raw stock into the filter assembly 20 after the diatomaceous filtration layer 32 is formed on the filter assembly 20 together with a part of the liquid raw liquid, A recovery pipe (62) for recovering the diatomite powder and the liquid stock solution to the temporary storage tank (10), and a discharge pipe (62) for discharging the diatomaceous earth powder and the liquid stock solution to the temporary storage tank And the liquid It may include a supply pump 80 for supplying the raw liquid with the outside air to the filter assembly 20.

1 to 3, the temporary storage tank 10 may have a cylindrical shape and may have a storage space therein. The diatomaceous earth powder may be stored on the storage space so that the diatomaceous filtration layer 32 is formed. The diatomaceous earth powder can be transferred to the filter assembly 20 through the inlet pipe 60 connected to the center of the inner wall of the temporary storage tank 10. The process of forming the diatomaceous filtration layer 32 in the filter assembly 20 will be described in detail in the description of the operational steps of the apparatus.

The filter assembly 20 is provided with a lamination structure of a plurality of filter plates 21 and a pressurizing structure for pressing the filter plate 21, and is a portion for substantially filtering the liquid stock solution injected and discharged into the liquid-phase undiluted filtration device. 4 to 6, the filter assembly 20 includes a plurality of filter plates 21, an adsorbent 31 attached to the upper surface of each filter plate 21 to adsorb the diatomaceous earth powder, A lower collecting block 40 disposed below the filter plate 21 for partially inserting the filter plate 21 and forming a collection space in which the liquid stock solution is collected by filtration, And an upper casing 50 disposed above the plate 21 and connected to the lower collecting block 40 and the upper casing 50 and configured to press the plurality of filter plates 21 up and down Member 55 as shown in FIG.

The filter assembly 20 includes a pair of filter plates 21 sandwiched between the filter plates 21 so as to form a space between the filter plate 21 and the liquid source liquid and air, And a pressure measurement gauge 70 provided in the upper casing 50 and measuring the pressure of the liquid stock solution in the filter assembly 20. [

A plurality of the filter plates 21 can form a laminated structure in the vertical direction. Each of the filter plates 21 may have a plate-like structure having a circular cross-section and a relatively large plate surface compared to the thickness. Through this, the filtration capacity can be increased.

6, the filter plate 21 includes a central hub 22 disposed at a central portion thereof, a pattern forming portion 26 formed radially around the central hub 22 on an upper surface thereof, and a plurality There are a number of sealing members 25 and various through holes formed in the thickness direction.

A lower transfer hole 23 may be formed at the center of the central hub 22 to move the liquid stock solution filtered from the diatomite filtration layer 32 downward. A communication hole 24 may be formed to communicate with the lower transfer hole 23 along the periphery. The communication holes 24 may be formed at regular intervals along the outer surface of the center hub 22. [ The pattern forming portion 26 may be provided on most of the upper surface of the filter plate 21. The pattern forming portion 26 may be formed to protrude from the surface of the plate, and may have a radial pattern. The pattern forming portion 26 may be formed so as to be connected to the communication hole 24 in the thickness direction so as to be connected to the communication hole 24 at a position adjacent to the central hub 22 without being continuously connected to the central hub 22. [ have.

In addition, a plurality of upward transfer holes 27 may be regularly formed in the peripheral region of the filter plate 21 along the circumferential direction. An inclined hole 28 communicating with the upward transfer hole 27 and tapered radially inwardly may be formed. The liquid feedstock fed through the feed pump 80 can be fed upward by the upward feed hole 27. [ When the plurality of filter plates 21 are laminated to each other, the adjacent upper transfer holes 27 are not arranged side by side. That is, when viewed from the top, a plurality of upward transfer holes 27 are not arranged in a straight line. The function of the inclined holes 28 communicating with the upper transfer hole 27 is such that the liquid raw solution is injected into the upper surface of the filter plate 21 positioned immediately below when the filter plates 21 are stacked, . ≪ / RTI >

A plurality of sealing members 25 may be provided on the bottom surface of the filter plate 21. One sealing member 25 is provided on the outer peripheral line of the central hub 22 and one sealing member 25 is provided on the inner side of the upper transfer hole 27 located at the edge of the filter plate 21, 25 may be provided. The sealing member 25 prevents the undiluted solution and the filtered solution from mixing with each other and prevents the undiluted solution from flowing out of the filter assembly 20.

The material of the filter plate 21 may be made of polyethylene (PE) in this embodiment, and it may be made of other materials or materials if it meets the food safety standards used in the drinking water treatment apparatus Of course.

Meanwhile, the spacing member 30 may be partially inserted into the center hub 22, as shown in FIGS. The spacing members (30) are stacked continuously to secure spacing between filter plates (21) arranged. As described above, since the upper transfer holes 27 of the plurality of filter plates 21 stacked in the vertical direction are irregularly arranged in the vertical direction, in order to feed the liquid stock solution upward, To secure a spacing distance between the two.

The adsorbent 31 may be disposed on the upper surface of the filter plate 21 mainly referring to FIG. Strictly speaking, the upper surface of the filter plate 21 can be disposed just before the upper transfer hole 27 of the pattern forming portion 26 and the filter plate 21 while covering a part of the spacing member 30. The adsorbent 31 allows the diatomite powder to be more easily adsorbed during the pretreatment process. In the present embodiment, the absorbent 31 may be made of a polyester material.

The upper casing 50 and the lower collecting block 40 may be provided at the uppermost and lowermost portions of the filter plate 21, respectively, as shown in FIG. The upper casing 50 is provided with a plurality of pressure flanges 51 along the perimeter and a pressure gauge 70 may be provided on the upper surface.

The lower collecting block 40 is provided with a jaw having an inner diameter finer than the outer diameter of the filter plate 21 so that the filter plate 21 can be partially inserted and engaged. A recovery hole 43 may be formed at a position communicating with the lower transfer hole 23 at the center of the lower collecting block 40. At a position slightly eccentric from the center, a liquid stock solution, And an injection hole 44 for allowing the filter plate 21 to flow into the filter plate 21 can be formed. The lower collecting block 40 may be provided with a collecting space for collecting the filtered liquid raw material temporarily. The collecting space may be separated from the inlet pipe 60 and the inlet hole.

The lower collecting block 40 may be provided with a pressurizing flange 51 along the periphery of the lower collecting block 40. The lower collecting block 40 may be provided with the same number of positions and numbers so as to cooperate with the pressurizing flanges 51 of the upper casing 50 , And they are unified with the same member number on the drawing.

The pressing member 55 can apply a pressing force to the laminated filter plate 21 in a structure in which it is caught by the pressurizing flanges 51 of the lower collecting block 40 and the upper casing 50, respectively. The drawing shows that the pressing member 55 is provided with a nut configuration to be fastened to the bar and the like.

The coupling structure of the upper casing (50) and the pressure member (55) for easy attachment and detachment facilitates maintenance of the liquid undiluted filtration apparatus. That is, if the liquid raw filtration apparatus is used for a certain period of time, the filtration resistance of the diatomaceous earth filtration layer 32 and the adsorption layer 31 may be increased beyond the allowable reference value. In this case, 31 and the diatomaceous filtration layer 32 should be inspected, repaired or replaced. At this time, the filter plate 21 can be disassembled and assembled easily by using the upper casing 50 and the pressing member 55, and the maintenance cost of the apparatus can be reduced.

The liquid undiluted filtration apparatus may be provided with a piping structure for interconnecting the temporary storage tank 10 and the filter assembly 20, that is, an input piping 60, a discharge piping 61, and a recovery piping 62.

1 to 3, the inlet pipe 60 extends from the inlet port and the inlet port which are connected to the external raw-fluid reservoir and is connected between the temporary storage tank 10 and the supply pump 80, between the supply pump 80 and the filter Assembly 20 to each other. The inlet pipe 66 and the inlet valve 63 may be provided on the inlet pipe 60 to open and close the inlet 66 or the temporary storage tank 10 individually This is possible. The discharge pipe 61 may be provided with a discharge valve 64 (see FIG. 4) as a pipe for discharging the filtered liquid raw material flowing out of the filter assembly 20.

The recovery pipe 62 is provided so as to communicate with the upper portion of the filter assembly 20 and the temporary storage tank 10 so that the diatomite powder and the liquid stock solution are temporarily stored in the pretreatment process of the filtration process, To be recovered to the tank (10). Of course, it is also possible to circulate the liquid stock solution to the temporary storage tank 10 and return it to the filter assembly 20 through the inlet pipe 60 while the actual filtration process is being performed.

A feed pump 80 may be provided on the feed line 60 to feed the liquid stock solution and air to the filter assembly 20.

With such a constitution, in the liquid undiluted filtration apparatus according to the embodiment of the present invention, the liquid raw liquid to be filtered is conveyed to the inclined hole 28 while rising toward the upper transfer hole 27 along the edge of the filter plate 21 It is possible to pass through the diatomite filtration layer formed on the entire plate surface, thereby increasing the filtration capacity and improving the filtration efficiency.

FIG. 9 is a view schematically showing a filtration flow in which an undiluted liquid is filtered in a filter assembly 20 in a liquid undiluted filtration apparatus according to an embodiment of the present invention.

Hereinafter, the process of disassembling, storing, and storing the liquid-phase undiluted filtration apparatus according to the present embodiment will be described in detail with reference to FIGS. 1 to 8 and 9. FIG.

A pretreatment process may be performed such that the diatomite filter layer 32 is formed on the filter plate 21 before the filtration process is performed.

First, the diatomite powder is charged into the temporary storage tank 10 at a ratio of the diatomite powder to the liquid raw material liquid at a ratio of about 5: 1. Thereafter, the valve 63 on the inlet side is turned off to drive the liquid-phase undiluted filtration device, and a mixture of the undiluted solution and the diatomaceous earth powder on the temporary storage tank 10 is introduced into the filter assembly 20. Air can also be introduced into the filter assembly 20 together with the undiluted solution and diatomaceous earth powder by the feed pump 80.

The diatomite powder is adsorbed onto the adsorbent 31 disposed on the upper surface of the plurality of filter plates 21. The adsorbed residual diatomite powder is temporarily stored in the recovery piping 62 on the upper part of the filter assembly 20 together with the liquid stock solution, Can be recovered to the tank (10). The diatomaceous filtration layer 32 may be formed in a series of cycles that are circulated to the temporary storage tank 10, the inlet pipe 60, the filter assembly 20, and the temporary storage tank 10 again. It may take about five minutes to uniformly form the diatomite filter layer 32 for each layer on the filter plate 21. The filtration capacity of the liquid stock solution in the pretreatment step may be approximately 4 ton / h.

Then, a full-scale filtration process can be performed.

The valve 63 on the side of the charging port 66 is opened while the valve from the temporary storage tank 10 side is still open. In the reservoir not shown in the figure, the liquid stock solution is injected into the filter assembly 20. At this time, diatomaceous earth powder is not included in the liquid stock solution. On the other hand, the valve 63 on the side of the temporary storage tank is also open, and the liquid stock solution remaining in the temporary storage tank and the diatomaceous earth powder can be also supplied.

4 and 9, the liquid stock solution injected into the injection hole 44 on the lower collecting block 40 is conveyed upward by the upper transfer hole 27 of the filter plate 21. The upward transfer holes 27 are not arranged in a line in the vertical direction (that is, because they are not directly arranged), so that they are transferred in a zigzag manner in a space between the pair of sealing members 25 during the upward transfer It can be transported upward.

A part of the liquid stock solution transferred to the upward transfer hole 27 can flow radially inwardly into the inclined holes 28. [ At this time, the filter plate 21 can be filtered while passing through the diatomite filter layer 32 on the upper surface. The filtration capacity of the stock solution in this case may be about 13 ton / h.

The filtered liquid raw liquid filtered through the diatomaceous filtration layer 32 and the adsorbent 31 can be transported downward through the communication hole 24 and the lower transfer hole 23 through the gap of the pattern forming portion 26. Is collected in the collecting space of the lower collecting block 40 through the collecting hole 43 of the lower collecting block 40 and finally discharged through the discharge pipe 61 and the discharge port 67 connected thereto.

With this operation configuration, in the liquid undiluted filtration apparatus according to the embodiment of the present invention, the liquid raw liquid to be filtered is conveyed to the inclined hole 28 while rising toward the upper transfer hole 27 along the edge of the filter plate 21 It is possible to pass through the diatomite filtration layer formed on the entire plate surface, thereby increasing the filtration capacity and improving the filtration efficiency.

On the other hand, although the sealing member 25 is provided on the first edge of the filter plate 21, a part of the liquid phase liquid may leak to the outer surface of the filter assembly 20 while the filtration process is performed. The liquid raw liquid that is leaked may be recovered separately through the recovery unit 42 provided in the filter assembly 20. [

In addition, there may be situations where maintenance is required. That is, by increasing the filtration resistance (filtration resistance), the internal pressure of the filter body rises and finally reaches the filtration limit, which can be measured by a pressure measurement gauge. At this time, the inlet 66 and the valve 63 are closed to stop the supply of the liquid stock solution.

Thereafter, a maintenance process for separating the pressure member 55, disassembling the upper casing 50 and the respective filter plates 21, and replacing or repairing the adsorbent 31 may be involved.

The coupling structure of the upper casing (50) and the pressure member (55) for easy attachment and detachment facilitates maintenance of the liquid undiluted filtration apparatus. That is, the filter plate 21 can be disassembled and assembled easily by using the upper casing 50 and the pressing member 55, thereby reducing the maintenance cost of the apparatus.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. It will also be appreciated that many modifications and variations will be apparent to those skilled in the art without departing from the scope of the invention.

10: temporary storage tank 20: filter assembly
21: filter plate 25: sealing member
26: pattern forming portion 30: spacing member
31: absorber 32: diatomaceous filtration layer
40: Lower collecting block 41, 51: Pressurizing flange
50: upper casing 55: pressing member
60: input piping 61: exhaust piping
62: return pipe 70: pressure gauge
80: Feed pump

Claims (10)

A temporary storage tank for temporarily storing diatomaceous earth powder;
A filter assembly in which at least one filter plate having a diatomaceous filtration layer for removing impurities in an edible liquid stock solution is arranged on an upper surface thereof;
An inlet pipe for interconnecting the temporary storage tank and the filter assembly to feed the diatomite powder together with a portion of the liquid raw solution onto the filter assembly, and then the diatomaceous filtration layer is formed and then the liquid raw solution is introduced into the filter assembly;
A discharge pipe for discharging the liquid raw stock filtered in the filter assembly; And
And a feed pump provided on the feed pipe for feeding the liquid stock solution and the outside air to the filter assembly,
A plurality of filter plates are provided,
The filter assembly includes:
An adsorbent attached to an upper surface of the filter plate to adsorb the diatomite powder;
A lower collecting block disposed below the filter plate to partially insert the filter plate and to form a collection space in which the liquid stock solution is collected to be collected;
An upper casing disposed above the filter plate; And
Further comprising a pressing member that interconnects the lower collecting block and the upper casing and presses the plurality of filter plates in the vertical direction,
The filter plate
A central hub disposed at a central portion of the diatomaceous filtration layer and having a lower transfer hole for moving the liquid raw material filtered downward from the diatomite filtration layer and a communication hole communicating with the lower transfer hole at regular intervals along the circumferential direction; And
And a pattern forming unit provided on one surface of the diatomaceous filter layer and supporting the diatomaceous filtration layer and the adsorption cell and protruding from the plate surface,
In the filter plate,
An upper transfer hole provided regularly along the periphery of the filter plate and for transferring the liquid stock solution upward; And
A tapered hole communicating with the transfer hole and tapered radially inward is further formed,
Wherein the upper transfer holes of each of the filter plates adjacent to each other forming the filter assembly are staggered so as not to be directly arranged in line with each other. The method according to claim 1,
Further comprising a recovery pipe provided in communication with the upper portion of the filter assembly and the temporary storage tank to recover the diatomite powder and the liquid stock solution into the temporary storage tank. delete The method according to claim 1,
Wherein the filter assembly further comprises a spacing member interposed between the filter plates and spaced apart from each other between a pair of adjacent filter plates so as to form a flow space of the liquid stock solution and air between the filter plates. Filtration device. The method according to claim 1,
Wherein the filter assembly further comprises a pressure gauge provided in the upper casing for measuring a pressure of the liquid stock solution inside the filter assembly. delete The method according to claim 1,
Wherein the filter plate is provided on one surface and further comprises at least one sealing member provided in an adjacent region of the center hub or the edge. delete The method according to claim 1,
The filter plate is made of polyethylene (PE)
Wherein the adsorbent is made of a polyester material. The method according to claim 1,
Wherein the liquid stock solution is one of a liquid seasoning diluent in soy sauce or vinegar, or a fruit dilution liquid in one of a plum or fruit wine.

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