CN220125650U

CN220125650U - Filter drain

Info

Publication number: CN220125650U
Application number: CN202321696360.0U
Authority: CN
Inventors: 王家乐; 王贝贝; 曹宏飞
Original assignee: Jiujiang Tinci Advanced Materials Co ltd
Current assignee: Jiujiang Tinci Advanced Materials Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-05
Anticipated expiration: 2033-06-30

Abstract

The utility model belongs to the technical field of filters, and particularly relates to a liquid draining device of a filter. The liquid discharge device includes: the top of the filtering tank is provided with a feed inlet, and the bottom of the filtering tank is provided with a discharge outlet; the compressed air source is communicated with the feed inlet through a pipeline; the annular air ejector is fixedly arranged in the filtering tank and is in sealing connection with the feed inlet through the air guide pipe; the air jet holes are formed in the outer side wall of the annular air jet pipe and are communicated with the inner cavity of the annular air jet pipe, and the air jet direction of the air jet holes faces the inner wall of the filtering tank. According to the scheme, on one hand, the damage of chemicals to operators when the filter tank is manually shaken is avoided, and on the other hand, residual liquid remained on the inner wall of the filter tank can be purged.

Description

Filter drain

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a liquid draining device of a filter.

Background

In the prior art, a liquid outlet is generally arranged on a filter, but in the practical application process, when residual liquid in the filter is discharged, part of residual liquid is attached to the inner wall of the filter, so that the residual liquid in the filter cannot be completely discharged.

However, the residual liquid can affect the production of the next step, in order to drain the residual liquid, the residual liquid is generally drained in a broken way in the prior art, and the filter is required to shake when the residual liquid is drained in the way, if chemicals in the filter are volatile and toxic, the operators can be injured.

Disclosure of Invention

The utility model aims to solve the technical problems that: aiming at the technical problem in the background technology, the liquid draining device of the filter is provided, residual liquid attached to the side wall of the filter can be drained, and the scheme does not need to be broken, and does not need to shake the filter manually.

The technical scheme provided by the utility model is as follows:

a filter drain comprising:

the top of the filtering tank is provided with a feed inlet, and the bottom of the filtering tank is provided with a discharge outlet;

the compressed air source is communicated with the feed inlet through a pipeline;

the annular air ejector is fixedly arranged in the filtering tank and is in sealing connection with the feed inlet through the air guide pipe;

the air jet holes are formed in the outer side wall of the annular air jet pipe and are communicated with the inner cavity of the annular air jet pipe, and the air jet direction of the air jet holes faces the inner wall of the filtering tank.

Optionally, the outer side wall of annular jet-propelled pipe with the inner wall of filtration jar leaves the clearance, the outer side wall of annular jet-propelled pipe is equipped with a plurality of support pieces, and the both ends of support piece are welded with the inner wall of jet-propelled pipe and filtration jar respectively.

Optionally, the air duct includes being responsible for and branch pipe, the upper end and the feed inlet sealing connection who is responsible for, the one end sealing connection of many branch pipes is in the lower extreme of being responsible for, and the other end and the annular jet-propelled pipe intercommunication of many branch pipes.

Optionally, the gas of the compressed gas source is nitrogen.

Optionally, the method further comprises:

the input end of the sealed recovery tank is communicated with the discharge port through a pipeline.

Optionally, the discharge port, the feed inlet and the sealed recovery tank all adopt quick connectors.

Optionally, a drying device is arranged on a pipeline between the compressed air source and the filtering tank.

Optionally, a plurality of sets of drying devices are connected in parallel on a pipeline between the compressed air source and the filter tank.

Optionally, the filter tank is provided with a plurality of support legs.

Optionally, the length of the support leg is adjustable.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the annular air jet pipe is arranged in the filter tank, the air jet hole is arranged on the annular air jet pipe, the air jet direction of the air jet hole faces the inner wall of the filter tank, the compressed gas of the compressed gas source blows the inner wall of the filter tank through the air jet hole, residual liquid remained on the inner wall of the filter tank is blown off, and the residual liquid is discharged through the discharge hole.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the annular gas lance of the present utility model;

FIG. 3 is a cross-sectional view of an annular gas lance of the present utility model;

fig. 4 is a schematic view of the support structure of the present utility model.

In the figure: 1. a filter tank; 11. a feed inlet; 12. a discharge port; 13. an annular gas jet tube; 14. an air duct; 15. a support; 131. a gas injection hole; 141. a main pipe; 142. a branch pipe; 2. a compressed air source; 3. sealing the recovery tank; 4. a drying device; 5. and (5) supporting legs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1-4, a filter drain apparatus, comprising:

the filter tank 1, the top of the filter tank 1 is provided with a feed inlet 11, and the bottom of the filter tank 1 is provided with a discharge outlet 12;

a compressed air source 2, wherein the compressed air source 2 is communicated with a feed inlet 11 through a pipeline;

the annular air ejector 13 and the air duct 14, the annular air ejector 13 is fixedly arranged in the filter tank 1, and the annular air ejector 13 is in sealing connection with the feed inlet 11 through the air duct 14;

the air jet holes 131 are formed in the outer side wall of the annular air jet pipe 13, the air jet holes 131 are communicated with the inner cavity of the annular air jet pipe 13, and the air jet directions of the air jet holes 131 face the inner wall of the filter tank 1.

It should be noted that, the inner bottom surface of the filter tank 1 adopts a structure such as a conical surface or an arc surface, which can guide the residual liquid to flow to the discharge port 12, and one end of the discharge port 12 extending into the filter tank 1 is located at the lowest position of the inner bottom surface of the filter tank 1.

As a further scheme, a gap is reserved between the outer side wall of the annular air ejector 13 and the inner wall of the filter tank 1, a plurality of supporting pieces 15 are arranged on the outer side wall of the annular air ejector 13, and two ends of each supporting piece 15 are welded with the air ejector and the inner wall of the filter tank 1 respectively.

The supporting members 15 may have a triangular structure as shown in fig. 4, which has a good supporting effect, and the number of the supporting members 15 is not limited, and three or more supporting members may be used. The support 15 is typically a plate.

The annular air ejector 13 and the inner wall of the filter tank 1 are kept with gaps, so that dead angles, which cannot be purged by residual liquid, can be avoided when the annular air ejector 13 and the inner wall of the filter tank 1 are tightly adhered.

When the annular air jet pipe 13 is spaced from the inner wall of the filter tank 1, and the air jet holes 131 face the inner wall of the filter tank 1, it is obvious that the air jet direction of the air jet holes 131 has an included angle with the vertical direction. In this embodiment, the direction of the gas injection hole 131 may be at least one of an upward direction, a horizontal direction, and a downward direction.

When the air injection direction of the air injection holes 131 is inclined upwards, most of compressed air is impacted to the inner wall of the filter tank 1 and then impacted to the inner top wall of the filter tank 1 to flow downwards after flowing upwards, and a small amount of compressed air flows downwards along the inner wall of the filter tank 1, so that the inner wall of the filter tank 1 is purged.

When the air injection holes 131 are vertically aligned with the inner wall of the filter tank 1, after the compressed air hits the inner wall of the filter tank 1, a part of compressed air upwards flows and hits the inner top wall of the filter tank 1 and downwards flows, and a part of compressed air downwards flows along the inner wall of the filter tank 1, so that the inner wall of the filter tank 1 is purged.

When the air injection holes 131 incline downwards, after the compressed air hits the inner wall of the filter tank 1, a small amount of compressed air upwards flows and hits the inner top wall of the filter tank 1 and then downwards flows, and a large amount of compressed air downwards flows along the inner wall of the filter tank 1 so as to purge the inner wall of the filter tank 1.

As a further scheme, the air duct 14 includes a main pipe 141 and branch pipes 142, the upper end of the main pipe 141 is in sealing connection with the feed inlet 11, one end of the branch pipes 142 is in sealing connection with the lower end of the main pipe 141, and the other end of the branch pipes 142 is communicated with the annular air jet pipe 13.

The plurality of branch pipes 142 are preferably connected to the inner side walls of the annular gas lance 13, and the annular gas lance 13 can be firmly supported by the plurality of branch pipes 142 in cooperation with the plurality of support members 15. The number of branch pipes 142 is not limited, and three or more are generally used.

As a further scheme, the gas of the compressed gas source 2 is nitrogen. Obviously, air or other inert gas may be used as the gas of the compressed gas source 2.

Example 2

The treatment mode of the residual liquid is further described.

Referring to fig. 1, a sealed recovery tank 3 is further provided, and an input end of the sealed recovery tank 3 is communicated with the discharge port 12 through a pipe. As compressed gas is introduced into the filtration tank 1, the air pressure of the filtration tank 1 increases, and the residual liquid deposited at the bottom of the filtration tank 1 is pushed into the sealed recovery tank 3 through the discharge port 12. Furthermore, the sealed recovery tank 3 can be vacuumized before use, so that the pressure difference is further increased, and the liquid discharge efficiency of the discharge port 12 is further improved.

The raffinate in the sealed recovery tank 3 can be treated by injecting the corresponding reaction liquid.

As a further scheme, the discharging port 12, the feeding port 11 and the sealed recovery tank 3 all adopt quick connectors. The quick connector is adopted to quickly connect the discharge port 12 with the sealed recovery tank 3 or a pipe fitting for conveying materials, the quick connector is adopted to quickly connect the feed port 11 with the compressed air source 2 or a pipe fitting for conveying materials, and the quick connector is adopted to quickly connect the sealed recovery tank 3 with the discharge port 12 or a vacuumizing device.

Specifically, the feeding port 11, the discharging port 12 and the sealed recovery tank 3 are connected by adopting P joints, and corresponding connecting pipelines are connected by adopting S joints.

As a further solution, the filter tank 1 is provided with a plurality of support legs 5. The bottom of the filter tank 1 can be isolated from the supporting surface by the plurality of supporting legs 5, and a distance is reserved for mounting the discharge hole 12.

As a further solution, the length of the support leg 5 is adjustable. The supporting leg 5 adopts adjustable structure, when the joint of discharge gate 12 and connecting tube's bore are inconsistent, need adopt the crossover sub, through the length of adjusting supporting leg 5, can adjust the distance of filtration jar 1 bottom surface and holding surface. The requirement for space when the adapter is installed is met.

The supporting leg 5 can be adjusted in length by adopting a pipe fitting to be matched with a threaded rod, an internal thread is arranged on the inner wall of the pipe fitting, the threaded rod is connected with the inner wall of the pipe fitting through threads, and the length of the supporting leg 5 is adjusted by rotating the threaded rod relative to the pipe fitting.

Example 3

The compressed air source 2 is dried.

A drying device 4 is arranged on the pipeline between the compressed air source 2 and the filtering tank 1.

The drying device 4 can be realized by adopting a silk screen foam remover, a drying agent, a filler, a filter element and the like.

As a further solution, a plurality of sets of drying devices 4 are connected in parallel to the conduit between the compressed air source 2 and the filter tank 1.

As shown in fig. 1, after a plurality of groups of drying devices 4 are connected in parallel, when one group of drying devices 4 needs to be replaced or maintained, the rest drying devices 4 can be continuously used, so that continuous production is realized, and shutdown treatment is not needed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A filter drain, comprising:

the filter tank (1), the top of the filter tank (1) is provided with a feed inlet (11), and the bottom of the filter tank (1) is provided with a discharge outlet (12);

the compressed air source (2) is communicated with the feed inlet (11) through a pipeline;

the annular air ejector tube (13) and the air duct (14), the annular air ejector tube (13) is fixedly arranged in the filter tank (1), and the annular air ejector tube (13) is connected with the feed inlet (11) in a sealing way through the air duct (14);

the air injection holes (131) are formed in the outer side wall of the annular air injection pipe (13), the air injection holes (131) are communicated with the inner cavity of the annular air injection pipe (13), and the air injection direction of the air injection holes (131) is toward the inner wall of the filter tank (1).

2. The filter drain device according to claim 1, characterized in that a gap is left between the outer side wall of the annular air jet pipe (13) and the inner wall of the filter tank (1), a plurality of supporting pieces (15) are arranged on the outer side wall of the annular air jet pipe (13), and two ends of each supporting piece (15) are welded with the air jet pipe and the inner wall of the filter tank (1) respectively.

3. The filter drain device according to claim 1, wherein the air duct (14) includes a main pipe (141) and branch pipes (142), the upper end of the main pipe (141) is connected with the feed port (11) in a sealing manner, one end of the plurality of branch pipes (142) is connected with the lower end of the main pipe (141) in a sealing manner, and the other end of the plurality of branch pipes (142) is communicated with the annular air injection pipe (13).

4. A filter drain according to claim 1, characterized in that the gas of the compressed gas source (2) is nitrogen.

5. The filter drain of claim 1, further comprising:

the input end of the sealed recovery tank (3) is communicated with the discharge port (12) through a pipeline.

6. The filter drain according to claim 5, characterized in that the discharge opening (12), the feed opening (11) and the sealed recovery tank (3) are all quick-connectors.

7. Filter drain according to claim 1, characterized in that a drying device (4) is provided on the conduit between the compressed air source (2) and the filter tank (1).

8. Filter drain according to claim 7, characterized in that a plurality of sets of drying means (4) are connected in parallel to the conduit between the compressed air source (2) and the filter tank (1).

9. Filter drain according to claim 1, characterized in that the filter tank (1) is provided with a plurality of support legs (5).

10. A filter drain according to claim 9, wherein the length of the support leg (5) is adjustable.