CN217139524U

CN217139524U - Liquid filtering device

Info

Publication number: CN217139524U
Application number: CN202220866652.3U
Authority: CN
Inventors: 郭金鹏
Original assignee: Sichuan Bn Animal Health Biotech Co ltd
Current assignee: Sichuan Bn Animal Health Biotech Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-09
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses a liquid filtering device, relating to the technical field of cleaning equipment; the filter comprises a liquid storage container and a filter, wherein a liquid outlet nozzle is arranged at the bottom of the liquid storage container and connected with a feeding nozzle of the filter; the upper end of the liquid storage container is provided with an air inlet nozzle which is used for connecting a gas pressurizing device; the inner cavity of the liquid storage container is provided with a floating plate, the floating plate can reciprocate in the height direction of the liquid storage container, and the floating plate is provided with a medium channel communicated with two end faces of the floating plate. The utility model discloses the accessible is used in treating that filter liquid and the superficial gas pressure of gas pressure will stock solution container treat that filter in the filter of impressing, and for adopting the liquid pump, pump sending liquid can not have liquid to remain in compression equipment to the kickboard can avoid the direct whole effects of high-pressure draught at the raw materials liquid level, leads to partial raw materials liquid to be discharged to going out the liquid by high-pressure draught and chews the periphery, consequently, can avoid liquid to remain in filter line and container, prevents to cause the waste of liquid raw materials.

Description

Liquid filtering device

Technical Field

The utility model relates to a cleaning equipment technical field, concretely relates to liquid filter equipment.

Background

Liquid is filtered, typically by passing particulate matter or other foreign particles through a filter, so that the liquid is purified. The existing liquid filtration usually passes through the filter element by self weight and permeability of liquid, or passes through the filter element by a liquid pump with certain liquid pressure, so as to achieve the purpose of filtration. However, for a small amount of liquid which is difficult to continuously filter, such as part of medicaments, disinfectant and the like in the bio-pharmaceuticals, the amount of liquid which needs to be filtered each time is limited, and the filtering is difficult to be rapidly completed through self weight and infiltration capacity, if a liquid pump is used for pressure pumping, certain residue is generated in a filtering pipeline and a container, and the waste of raw material liquid is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problem that when the existing filtering device filters a small amount of discontinuous liquid, liquid residues exist in a filtering pipeline and a container; the utility model provides a liquid filtering device can avoid liquid to remain in filtering pipeline and container, prevents to cause the waste of liquid raw materials.

The utility model discloses a following technical scheme realizes:

the utility model provides a liquid filtering device, which comprises a liquid storage container and a filter, wherein the bottom of the liquid storage container is provided with a liquid outlet nozzle which is connected with a feeding nozzle of the filter; the upper end of the liquid storage container is provided with an air inlet nozzle which is used for connecting a gas pressurizing device; the inner cavity of the liquid storage container is provided with a floating plate, the floating plate can reciprocate in the height direction of the liquid storage container, and the floating plate is provided with a medium channel communicated with two end faces of the floating plate.

The utility model provides a liquid filtering device is when using, will treat filterable liquid injection stock solution container in, the kickboard in the stock solution container is treating under the buoyancy effect of filtering liquid this moment, float at the liquid level of treating filtering liquid, and chew through admitting air and link to each other stock solution container inner chamber and gas compression equipment (air compressor machine or inflating pump) or high pressure gas container's gas outlet, with the gas of setting pressure for the input of stock solution container, then treat through being used in treating filtering liquid and the gas pressure of floating in with stock solution container and filter the filter of impressing, thereby treat filtering liquid through the filter core in the filter and filter. Compared with the liquid pump, the liquid pump pumps the liquid, and no liquid is remained in the pressurizing equipment.

Wherein, be provided with the medium passageway on the kickboard, can make and wait to filter liquid and high-pressure gas and can pass the kickboard, and set up the kickboard in the stock solution container, can avoid when less liquid in the stock solution container, high-pressure draught directly all acts on the liquid level of waiting to filter liquid, leads to the part to wait that filter liquid is discharged to play the liquid and chews the periphery by high-pressure draught, and makes the liquid in the stock solution container can not discharge completely. Meanwhile, after the liquid to be filtered in the liquid storage container is completely discharged, high-pressure gas can be continuously input through the air inlet nozzle so as to completely discharge the liquid in the filter.

To sum up, the utility model provides a liquid filtering device can avoid liquid to remain in filter line and container, prevents to cause the waste of liquid raw materials.

In an optional embodiment mode, the plurality of medium channels are uniformly distributed along the circumferential direction of the floating plate, so that on one hand, the liquid or high-pressure gas to be filtered can be ensured to have the most sufficient flow area, on the other hand, the stress of the floating plate can be balanced, and the clamping stagnation of the floating plate is avoided.

In an alternative embodiment, the medium channel is obliquely arranged to ensure that the floating plate can be driven to move downwards by the air circulating in the liquid storage container.

In an optional embodiment mode, a guide rod is vertically arranged in the liquid storage container, and the middle of the guide rod is inserted in the middle of the floating plate so as to limit the floating plate through the guide rod and prevent the floating plate from overturning and losing efficacy.

In an optional embodiment mode, the periphery of the floating plate is provided with a flexible scraping ring, the flexible scraping ring is arranged on the inner side of the flexible scraping ring and fixedly connected with the floating plate, and the outer side of the flexible scraping ring is abutted against the inner wall of the liquid storage container, so that liquid drops attached to the inner wall of the liquid storage container are hung and removed through the downward movement of the floating plate, and two residual raw material liquids are further reduced.

In an alternative embodiment, the flexible scraper ring is a hollow rubber ring to ensure that the flexible ring has sufficient flexibility to reduce the positive pressure of the flexible ring on the inner wall of the liquid storage container, thereby reducing the resistance of the floating plate to move downwards and reducing the abrasion of the flexible scraper ring.

In an optional embodiment mode, the top of the liquid storage container is provided with a liquid inlet valve, so that the liquid to be filtered is conveniently injected into the liquid storage container through the liquid inlet valve.

In an alternative embodiment, a first switch valve is arranged between the liquid storage container and the filter, so that the filtering is performed when the gas pressure in the liquid storage container reaches a set value.

In an alternative embodiment mode, the liquid outlet end of the filter is provided with a second switch valve so as to control the on-off of the liquid outlet of the filter.

In an alternative embodiment, the liquid storage container and the filter liquid inlet cavity are both provided with a pressure gauge so as to observe the pressure in the liquid storage container and judge whether the filter is blocked.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model provides a liquid filtering device, stock solution container bottom links to each other with the filter, stock solution container upper end is equipped with the mouth of admitting air that is used for connecting gaseous compression equipment, stock solution container inner chamber adaptation has the kickboard, the kickboard is equipped with the medium passageway, the kickboard is under the buoyancy effect of treating filtering liquid when using, float at the liquid level of treating filtering liquid, treat filtering liquid and the gas pressure who floats treating in with the stock solution container through being used in treat filtering liquid and filter in the filter of impressing, thereby treat filtering liquid through the filter core in the filter and filter. For adopting the liquid pump, pump sending liquid can not have liquid to remain in compression equipment, and the kickboard floats treating to filter also the surface, can make and treat that filtering liquid and high-pressure gas can pass the kickboard, and set up the kickboard in the stock solution container, can avoid the direct whole liquid level that are used in treating filtering liquid of high-pressure draught, lead to the part to treat that filtering liquid quilt high-pressure draught discharges to going out the liquid and chew the periphery, and make the liquid in the stock solution container can not discharge completely, consequently the utility model discloses, can avoid liquid to remain in filter line and container, prevent to cause the waste of liquid raw materials.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

In the drawings:

FIG. 1 is a schematic view of a liquid filtering apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is a schematic view of a top view structure of a floating plate according to an embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

10-a liquid storage container, 11-a liquid outlet nozzle, 12-an air inlet nozzle, 13-a liquid inlet valve, 14-a first switch valve, 20-a filter, 21-a feeding nozzle, 22-a second switch valve, 30-a floating plate, 31-a medium channel, 32-a flexible scraping ring and 40-a pressure gauge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

With reference to fig. 1 and fig. 2, the present embodiment provides a liquid filtering apparatus, which includes a liquid storage container 10 and a filter 20, wherein a liquid outlet 11 is arranged at the bottom of the liquid storage container 10, and the liquid outlet 11 is connected to a feeding nozzle 21 of the filter 20; the upper end of the liquid storage container 10 is provided with an air inlet nozzle 12, and the air inlet nozzle 12 is used for connecting a gas pressurizing device; the inner cavity of the liquid storage container 10 is provided with a floating plate 30, the floating plate 30 can move back and forth along the height direction of the liquid storage container 10, and the floating plate 30 is provided with a medium channel 31 communicating two end faces of the floating plate 30.

Specifically, referring to fig. 3, the plurality of medium channels 31 are uniformly distributed along the circumference of the floating plate 30, so that on one hand, the liquid to be filtered or the high-pressure gas can be ensured to have the most sufficient flow area, and on the other hand, the stress of the floating plate 30 can be balanced, and the floating plate 30 is prevented from being stuck.

The medium channel 31 is generally a through hole penetrating through the floating plate 30, and in this embodiment, the medium channel 31 is disposed obliquely, so that the floating plate 30 can be pushed down by high-pressure gas when the high-pressure gas flows through the medium channel 31, so as to ensure that the gas flowing through the liquid storage container 10 can drive the floating plate 30 to move down. In order to prevent the floating plate 30 from absorbing water, a hydrophobic material may be used to form the floating plate 30.

In order to avoid clamping stagnation of the floating plate 30 in the up-and-down moving process, a guide rod is vertically arranged in the liquid storage container 10, and the middle of the guide rod is inserted in the middle of the floating plate 30 so as to limit the floating plate 30 through the guide rod and prevent the floating plate 30 from overturning and losing efficacy.

In order to add the raw material liquid to be filtered into the liquid storage container 10, a liquid inlet valve 13 is arranged at the top of the liquid storage container 10, so that the liquid to be filtered is injected into the liquid storage container 10 through the liquid inlet valve 13, and the liquid inlet valve 13 is closed after the liquid to be filtered is filled.

On the basis, a first switch valve 14 is arranged between the liquid storage container 10 and the filter 20 so as to filter when the gas pressure in the liquid storage container 10 reaches a set value.

Meanwhile, a second switch valve 22 is arranged at the liquid outlet end of the filter 20 so as to control the on-off of the liquid outlet of the filter 20.

In addition, the pressure gauge 40 is adapted to the liquid inlet cavities of the liquid storage container 10 and the filter 20, so that the pressure in the liquid storage container 10 can be observed through the pressure gauge 40 on the liquid storage container 10, the pressure of the gas input into the liquid storage container 10 can be adjusted in time, the phenomenon that the air pressure in the liquid storage container 10 is too high is avoided, and whether the filter 20 is blocked or not can be judged through the pressure gauge 40 adapted to the liquid inlet cavity of the filter 20.

When the filter is used, liquid to be filtered is injected into the liquid storage container 10, at the moment, the floating plate 30 in the liquid storage container 10 floats on the liquid level of the liquid to be filtered under the buoyancy action of the liquid to be filtered, the inner cavity of the liquid storage container 10 is connected with a gas pressurizing device (an air compressor or an inflating pump) or a gas outlet of a high-pressure gas container through the gas inlet nozzle 12, so that gas with set pressure is input into the liquid storage container 10, then the liquid to be filtered in the liquid storage container 10 is pressed into the filter 20 through the pressure of the liquid to be filtered and the floating gas, and the liquid to be filtered is filtered through a filter element in the filter 20. Compared with the liquid pump, the liquid pump pumps the liquid, and no liquid is remained in the pressurizing equipment.

Wherein, be provided with medium channel 31 on floating plate 30, can make and wait to filter liquid and high-pressure gas and can pass floating plate 30, and set up floating plate 30 in stock solution container 10, can avoid when less liquid in stock solution container 10, high-pressure draught directly all acts on the liquid level of waiting to filter liquid, leads to the part to wait that filter liquid is discharged to play liquid tap 11 periphery by high-pressure draught, and makes the liquid in the stock solution container 10 can not discharge completely. Meanwhile, after the liquid to be filtered in the liquid storage container 10 is completely discharged, high-pressure gas may be continuously supplied through the gas inlet nozzle 12 to completely discharge the liquid in the filter 20.

In conclusion, the liquid filtering device provided by the embodiment can avoid liquid remaining in the filtering pipeline and the container, and prevent the waste of liquid raw materials.

Example 2

With reference to fig. 2, the present embodiment provides a liquid filtering apparatus, based on the structure and principle described in embodiment 1, a flexible scraping ring 32 is disposed on the periphery of the floating plate 30, the flexible scraping ring 32 is fixedly connected to the floating plate 30 on the inner side of the flexible scraping ring 32, and the outer side of the flexible scraping ring 32 abuts against the inner wall of the liquid storage container 10, so as to remove and hang the liquid drops attached to the inner wall of the liquid storage container 10 through the lower portion of the floating plate 30, thereby further reducing two residual raw material liquids.

Preferably, the flexible scraper ring 32 is a hollow rubber ring to ensure sufficient flexibility of the flexible scraper ring, so as to reduce the positive pressure of the flexible scraper ring on the inner wall of the liquid storage container 10, thereby reducing the resistance of the floating plate 30 to move downwards and reducing the abrasion of the flexible scraper ring 32.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A liquid filtering device comprises a liquid storage container (10) and a filter (20), and is characterized in that a liquid outlet nozzle (11) is arranged at the bottom of the liquid storage container (10), and the liquid outlet nozzle (11) is connected with a feeding nozzle (21) of the filter (20);

the upper end of the liquid storage container (10) is provided with an air inlet nozzle (12), and the air inlet nozzle (12) is used for connecting a gas pressurizing device;

stock solution container (10) inner chamber adaptation has floating plate (30), floating plate (30) can be followed stock solution container (10) direction of height reciprocating motion, floating plate (30) are equipped with medium passageway (31) that communicate self both ends face.

2. A liquid filtering device according to claim 1, wherein a plurality of the medium passages (31) are distributed along the circumference of the floating plate (30).

3. A liquid filtering device according to claim 2, characterized in that the medium channel (31) is arranged obliquely.

4. The liquid filtering device as claimed in claim 1, wherein a guide rod is vertically arranged in the liquid storage container (10), and the middle part of the guide rod is inserted in the middle part of the floating plate (30).

5. A liquid filtering device according to any one of claims 1 to 4, characterized in that a flexible scraping ring (32) is arranged on the periphery of the floating plate (30), the flexible scraping ring (32), the inner side of the flexible scraping ring (32) is fixedly connected with the floating plate (30), and the outer side of the flexible scraping ring (32) is abutted against the inner wall of the liquid storage container (10).

6. A liquid filtering device according to claim 5, wherein the flexible scraping ring (32) is a hollow rubber ring.

7. A liquid filtering device according to claim 1, wherein the liquid reservoir (10) is provided with a liquid inlet valve (13) at the top.

8. A liquid filtering device according to claim 1, wherein a first on-off valve (14) is provided between the reservoir (10) and the filter (20).

9. A liquid filtering device according to claim 1, wherein the outlet end of the filter (20) is provided with a second on-off valve (22).

10. A liquid filtering device according to claim 1, wherein the reservoir (10) and the filter (20) inlet chamber are each fitted with a pressure gauge (40).