CN212818495U - Safety filter - Google Patents

Abstract

The utility model discloses a security filter, which comprises a shell, a sewage pipeline, a sewage valve and at least one filter element; an upper chamber and a lower chamber are arranged in the shell, the bottom wall of the upper chamber is a first conical wall with a large upper part and a small lower part, and the bottom wall of the lower chamber is a second conical wall with a large upper part and a small lower part; the filter element is arranged in the upper chamber and is provided with a filtering channel communicated with the lower chamber, so that liquid in the upper chamber enters the filtering channel after being filtered by the filter element and then flows into the lower chamber; one end part of the sewage discharge pipeline is connected to the first conical wall, and the other end part of the sewage discharge pipeline extends out of the shell; the blowdown valve is used for controlling the on-off of the blowdown pipeline; and a liquid outlet communicated with the lower cavity is formed in the second conical wall. The utility model discloses can all discharge totally the filtrating that obtains filtering and the remaining foul solution of filtration, avoid foul solution and filtrating to remain, improve the convenience of using.

Description

Safety filter

Technical Field

The utility model relates to a security filter.

Background

At present, a security filter is also called as a precision filter, and is mainly used for solid-liquid separation of various suspensions and liquid medicine filtration with relatively high filtration precision in the fields of medicine, food, chemical industry, environmental protection, water treatment and the like, and a tubular filter element such as a titanium filter element, an activated carbon filter element and the like is usually adopted as a filter element in the security filter to filter a filter medium so as to achieve the quality of effluent water. However, in the conventional cartridge filter, filtrate generated by filtration and residual foul solution are difficult to be discharged completely, and remain in the cartridge filter, which is inconvenient to use.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide a security personnel filter, it can all discharge totally the filtrating that obtains and the remaining foul solution of filtration, avoids foul solution and filtrating to remain, improves the convenience of using.

In order to solve the technical problem, the technical scheme of the utility model is that: a kind of cartridge filter, it includes body, blowdown pipeline, blowdown valve and at least one filter element; wherein the content of the first and second substances,

an upper chamber and a lower chamber are arranged in the shell, the bottom wall of the upper chamber is a first conical wall with a large upper part and a small lower part, and the bottom wall of the lower chamber is a second conical wall with a large upper part and a small lower part;

the filter element is arranged in the upper chamber and connected to the first conical wall, and a filtering channel communicated with the lower chamber is arranged in the filter element, so that liquid in the upper chamber enters the filtering channel after being filtered by the filter element and then flows into the lower chamber;

one end of the sewage discharge pipeline is connected to the first conical wall and communicated with the upper chamber, and the other end of the sewage discharge pipeline extends out of the shell;

the blowdown valve is connected in the blowdown pipeline and is used for acting to control the on-off of the blowdown pipeline;

and a liquid outlet communicated with the lower cavity is formed in the second conical wall.

Further, in order to inject liquid into the upper cavity, a liquid inlet communicated with the upper cavity is formed in the shell.

Further, the cartridge filter further comprises a flow equalizing sleeve; wherein the content of the first and second substances,

the flow equalizing sleeve is arranged in the upper cavity and divides the upper cavity into a liquid inlet cavity between the flow equalizing sleeve and the shell and a filtering cavity inside the flow equalizing sleeve;

the filter element is arranged in the filter chamber;

the liquid inlet is communicated with the liquid inlet cavity;

and a plurality of flow equalizing holes are formed in the flow equalizing sleeve.

Further, in order to prevent liquid flowing in from the liquid inlet from impacting the filter element, the flow equalizing sleeve is provided with an impact preventing part for blocking the liquid flowing in from the liquid inlet so as to prevent the liquid from impacting the filter element.

Further in order to empty the filtrate and the dirty liquid generated after filtration, the liquid outlet is arranged at the lowest part of the second conical wall, and/or one end part of the sewage discharge pipeline is connected to the lowest part of the first conical wall.

Furthermore, the first conical wall is provided with inserting columns which correspond to the filter elements one by one and are used for extending into the corresponding filtering channels;

and a connecting channel for communicating the corresponding filtering channel with the lower cavity is arranged in the inserting column.

Further provides a concrete structure of the sewage draining pipeline, wherein the sewage draining pipeline comprises a first longitudinal pipe, a second longitudinal pipe and an inclined pipe; wherein;

the upper end of the first longitudinal pipe is connected with the first conical wall;

one end part of the inclined pipe is connected with the lower end part of the first longitudinal pipe;

the upper end of the second longitudinal pipe is connected with the other end of the inclined pipe;

the lower end of the second longitudinal tube extends out of the housing.

Further provides a concrete structure of the shell, the shell comprises a shell body, a top cover, a partition plate and at least one supporting leg; wherein the content of the first and second substances,

the top cover is connected to the upper end part of the shell body and surrounds the shell body to form an inner cavity;

the baffle plate is arranged in the inner cavity, is connected to the shell body and divides the inner cavity into an upper cavity and a lower cavity;

the supporting legs are connected to the lower end of the shell body.

Further to facilitate opening the top cover, the cartridge filter further comprises a hanging cover device comprising a hanger rod, a hand wheel and a screw; wherein the content of the first and second substances,

one end part of the suspension rod is rotatably connected to the shell body;

the lower end part of the screw rod is connected with the top cover;

the hand wheel is connected in a rotating mode at the other end of the hanging rod and is in threaded connection with the screw rod, so that the hand wheel is screwed to lift the screw rod and the top cover.

Further, a handle and/or a ventilation hole are/is arranged on the top cover.

After the technical scheme is adopted, the blowoff valve is closed, liquid to be filtered is injected into the liquid inlet cavity from the liquid inlet, and then the liquid to be filtered uniformly flows into the filtering cavity from the flow equalizing hole in the flow equalizing sleeve. Then the liquid to be filtered in the filtering chamber flows into the filtering channel after being filtered by the filter element, and then flows into the lower chamber, and then the filtrate is discharged from the liquid outlet. And opening the blow-down valve after the filtration is finished, and discharging the residual filtered dirty liquid from the blow-down pipeline. Wherein, set up first conical wall is favorable to making dirty liquid evacuation in the upper portion cavity sets up second conical wall is favorable to making the filtrating evacuation that produces after filtering in the lower part cavity has avoided dirty liquid and filtrating to remain, has improved the convenience of using greatly.

Drawings

Fig. 1 is a schematic structural view of a security filter of the present invention;

fig. 2 is a cross-sectional view of the cartridge filter of the present invention.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 and 2, a cartridge filter comprises a shell 1, a sewage pipeline 2, a sewage valve and at least one filter element 3; wherein the content of the first and second substances,

an upper chamber 4 and a lower chamber 5 are arranged in the shell 1, the bottom wall of the upper chamber 4 is a first conical wall 6 with a large upper part and a small lower part, and the bottom wall of the lower chamber 5 is a second conical wall 7 with a large upper part and a small lower part;

the filter element 3 is arranged in the upper chamber 4 and connected to the first conical wall 6, and a filter passage 8 communicated with the lower chamber 5 is arranged in the filter element 3, so that liquid in the upper chamber 4 enters the filter passage 8 after being filtered by the filter element 3 and then flows into the lower chamber 5;

one end part of the sewage discharge pipeline 2 is connected to the first conical wall 6 and communicated with the upper chamber 4, and the other end part of the sewage discharge pipeline 2 extends out of the shell 1;

the blowdown valve is connected in the blowdown pipeline 2 and is used for acting to control the on-off of the blowdown pipeline 2;

a liquid outlet 9 communicated with the lower cavity 5 is arranged on the second conical wall 7; specifically, the specific structure of the filter element 3 is the prior art well known to those skilled in the art, and is not described in detail in this embodiment.

As shown in fig. 1 and 2, the housing 1 may be provided with a liquid inlet 10 communicating with the upper chamber 4. When the filter is used, the blowoff valve is closed, liquid to be filtered is injected into the upper cavity 4 from the liquid inlet 10, the liquid to be filtered in the upper cavity 4 flows into the filtering channel 8 after being filtered by the filter element 3 and then flows into the lower cavity 5, and then is discharged from the liquid outlet 9. After the filtration is finished, opening the blow-down valve to discharge the residual sewage after filtration from the blow-down pipeline 2; wherein, set up first cliff 6 is favorable to making dirty liquid evacuation in the upper portion cavity 4 sets up second cliff 7 is favorable to making the filtrating evacuation that produces after filtering in the lower part cavity 5 has avoided dirty liquid and filtrating to remain, has improved the convenience of using greatly.

As shown in fig. 1 and 2, the cartridge filter may further include a flow equalizing sleeve 11; wherein the content of the first and second substances,

the flow equalizing sleeve 11 is arranged in the upper chamber 4, and divides the upper chamber 4 into a liquid inlet chamber 12 between the flow equalizing sleeve 11 and the shell 1 and a filtering chamber 13 at the inner side of the flow equalizing sleeve 11;

the filter element 3 is arranged in the filter chamber 13;

the liquid inlet 10 is communicated with the liquid inlet chamber 12;

a plurality of flow equalizing holes 14 are formed in the flow equalizing sleeve 11; specifically, the filter element 3 is uniformly distributed in the filter chamber 13, the flow equalizing holes 14 are uniformly distributed on the flow equalizing sleeve 11, and the flow equalizing sleeve 11 is arranged to enable liquid to be filtered to uniformly enter the filter chamber 13.

As shown in fig. 1, the flow equalizing sleeve 11 may be provided with an impact prevention portion 15 for blocking liquid flowing from the liquid inlet 10 to prevent the liquid from impacting the filter element 3; specifically, the impact prevention portion 15 is arranged right opposite to the liquid inlet 10, and the uniform flow hole 14 is not formed in the impact prevention portion 15.

In this embodiment, the liquid outlet 9 is disposed at the lowest position of the second conical wall 7, and an end portion of the sewage conduit 2 is connected to the lowest position of the first conical wall 6.

As shown in fig. 1, the first conical wall 6 may be provided with insert posts 16 corresponding to the filter cartridges 3 one by one and extending into the corresponding filter passages 8;

the insert column 16 is provided with a connecting channel 17 for communicating the corresponding filter channel 8 with the lower chamber 5.

As shown in fig. 1, the sewage pipe 2 is constructed, for example, but not limited to, a first longitudinal pipe 18, a second longitudinal pipe 19, and an inclined pipe 20; wherein;

the upper end of the first longitudinal tube 18 is connected to the first conical wall 6;

one end of the inclined pipe 20 is connected with the lower end of the first longitudinal pipe 18;

the upper end of the second longitudinal pipe 19 is connected to the other end of the inclined pipe 20;

the lower end of the second longitudinal pipe 19 protrudes outside the housing 1.

As shown in fig. 1, the housing 1 is constructed, for example, but not limited to, a structure including a case body 21, a top cover 22, a partition and at least one support leg 23; wherein the content of the first and second substances,

the top cover 22 is connected to the upper end of the shell 21 and surrounds the shell 21 to form an inner cavity;

the baffle is arranged in the inner cavity, is connected to the shell body 21 and divides the inner cavity into an upper cavity 4 and a lower cavity 5;

the supporting legs 23 are connected to the lower end part of the shell body 21; in the present embodiment, the partition forms the first conical wall 6.

As shown in fig. 1, the cartridge filter may also include a hanging cover device, such as, but not limited to, a structure including a boom 24, a handwheel 25, and a screw 26; wherein the content of the first and second substances,

one end of the suspension rod 24 is rotatably connected to the housing body 21, and a rotating shaft of the suspension rod 24 rotating on the housing body 21 is arranged along the vertical direction;

the lower end of the screw 26 is connected with the top cover 22;

the hand wheel 25 is rotatably connected to the other end of the boom 24 and is in threaded connection with the screw rod 26, so that the hand wheel 25 is screwed to lift the screw rod 26 and the top cover 22; specifically, the hanger bar 24 may be an L-shaped structure.

As shown in fig. 1, the top cover 22 may further include a handle 27 and a vent hole 28, wherein the vent hole 28 communicates with the upper chamber.

The working principle of the utility model is as follows:

and closing the blowoff valve, injecting the liquid to be filtered into the liquid inlet chamber 12 from the liquid inlet 10, and then uniformly flowing the liquid to be filtered into the filtering chamber 13 from the flow equalizing hole 14 on the flow equalizing sleeve 11. Then, the liquid to be filtered in the filtering chamber 13 flows into the filtering channel 8 after being filtered by the filter element 3, and further flows into the lower chamber 5, and then the filtrate is discharged from the liquid outlet 9. And after the filtration is finished, opening the blow-down valve to discharge the filtered residual sewage from the blow-down pipeline 2. Wherein, set up first cliff 6 is favorable to making dirty liquid evacuation in the upper portion cavity 4 sets up second cliff 7 is favorable to making the filtrating evacuation that produces after filtering in the lower part cavity 5 has avoided dirty liquid and filtrating to remain, has improved the convenience of using greatly.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit 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.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Claims (10)

1. A cartridge filter is characterized by comprising a shell (1), a sewage pipeline (2), a sewage valve and at least one filter element (3); wherein the content of the first and second substances,

an upper chamber (4) and a lower chamber (5) are arranged in the shell (1), the bottom wall of the upper chamber (4) is a first conical wall (6) with a large upper part and a small lower part, and the bottom wall of the lower chamber (5) is a second conical wall (7) with a large upper part and a small lower part;

the filter element (3) is arranged in the upper chamber (4) and connected to the first conical wall (6), and a filtering channel (8) communicated with the lower chamber (5) is arranged in the filter element (3), so that liquid in the upper chamber (4) enters the filtering channel (8) after being filtered by the filter element (3) and then flows into the lower chamber (5);

one end part of the sewage discharge pipeline (2) is connected to the first conical wall (6) and communicated with the upper chamber (4), and the other end part of the sewage discharge pipeline (2) extends out of the shell (1);

the blowdown valve is connected in the blowdown pipeline (2) and is used for acting to control the on-off of the blowdown pipeline (2);

and a liquid outlet (9) communicated with the lower cavity (5) is arranged on the second conical wall (7).

2. The cartridge filter according to claim 1, wherein the housing (1) is provided with a liquid inlet (10) communicating with the upper chamber (4).

3. The cartridge filter according to claim 2, further comprising a flow equalizing sleeve (11); wherein the content of the first and second substances,

the flow equalizing sleeve (11) is arranged in the upper chamber (4) and divides the upper chamber (4) into a liquid inlet chamber (12) between the flow equalizing sleeve (11) and the shell (1) and a filtering chamber (13) positioned at the inner side of the flow equalizing sleeve (11);

the filter element (3) is arranged in the filter chamber (13);

the liquid inlet (10) is communicated with the liquid inlet chamber (12);

the flow equalizing sleeve (11) is provided with a plurality of flow equalizing holes (14).

4. The cartridge filter according to claim 3, wherein the flow equalizing sleeve (11) is provided with an impact prevention portion (15) for blocking liquid flowing from the liquid inlet (10) to prevent the liquid from impacting the filter element (3).

5. The security filter according to claim 1, wherein the outlet (9) is provided at the lowest of the second conical wall (7) and/or an end of the sewage pipe (2) is connected at the lowest of the first conical wall (6).

6. The cartridge filter according to claim 1, wherein the first conical wall (6) is provided with studs (16) corresponding one-to-one to the filter cartridges (3) and adapted to extend into the corresponding filter passages (8);

the insert column (16) is provided with a connecting channel (17) for communicating the corresponding filtering channel (8) with the lower chamber (5).

7. The cartridge filter according to claim 1, wherein the sewage pipe (2) comprises a first longitudinal pipe (18), a second longitudinal pipe (19) and an inclined pipe (20); wherein;

the upper end of the first longitudinal pipe (18) is connected with the first conical wall (6);

one end of the inclined pipe (20) is connected with the lower end of the first longitudinal pipe (18);

the upper end of the second longitudinal pipe (19) is connected with the other end of the inclined pipe (20);

the lower end of the second longitudinal pipe (19) extends out of the housing (1).

8. The cartridge filter according to claim 1, wherein the housing (1) comprises a body (21), a top cover (22), a partition and at least one support leg (23); wherein the content of the first and second substances,

the top cover (22) is connected to the upper end part of the shell body (21) and surrounds the shell body (21) to form an inner cavity;

the baffle is arranged in the inner cavity, is connected to the shell body (21) and divides the inner cavity into an upper cavity (4) and a lower cavity (5);

the support legs (23) are connected to the lower end of the housing body (21).

9. The security filter of claim 8, further comprising a hanging cover device comprising a boom (24), a handwheel (25), and a screw (26); wherein the content of the first and second substances,

one end of the suspension rod (24) is rotatably connected to the shell body (21);

the lower end part of the screw rod (26) is connected with the top cover (22);

the hand wheel (25) is rotatably connected to the other end of the boom (24) and is in threaded connection with the screw rod (26), so that the hand wheel (25) is screwed to lift the screw rod (26) and the top cover (22).

10. The cartridge filter according to claim 8, wherein the top cover (22) is provided with a handle (27) and/or a venting hole (28).

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