CN215841911U

CN215841911U - Angle type filter

Info

Publication number: CN215841911U
Application number: CN202121014926.8U
Authority: CN
Inventors: 王来军; 刘翠红; 章琴; 宋庆勇; 黄培卿; 魏琦
Original assignee: SHANGHAI MORIMATSU PHARMACEUTICAL EQUIPMENT ENGINEERING CO LTD
Current assignee: SHANGHAI MORIMATSU PHARMACEUTICAL EQUIPMENT ENGINEERING CO LTD
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-02-18
Anticipated expiration: 2031-05-12

Abstract

The embodiment of the utility model relates to the field of angle type filtering, and discloses an angle type filter. In the present invention, the angle filter includes: the filter comprises a filter screen and a filter shell sleeved on the filter screen, wherein a liquid inlet is formed in the filter shell, a liquid outlet is formed in the filter screen, and liquid to be filtered flows into the liquid inlet so that the liquid to be filtered enters the filter screen after being filtered by the filter screen and flows out of the liquid outlet; the filter screen is including enclosing the netted lateral wall that establishes formation first space, be provided with the filler in the first space, the filler with the lateral wall interval sets up. The angle type filter provided by the utility model can reduce the material loss in the filter when the production line stops production and changes production on the premise of ensuring the filtering efficiency.

Description

Angle type filter

Technical Field

The embodiment of the utility model relates to the field of angle type filtering, in particular to an angle type filter.

Background

The control of the removal of impurities from raw materials and final products in daily chemicals and food industry is one of the important factors for ensuring the quality of the products. The clean angle filter available in the market at present can satisfy the basic process requirements, including the requirements of filtering precision and flow, and the requirements of material, polishing, cleaning and easy cleaning. As shown in fig. 1, the angle filter includes: the filter screen 11, the filter shell 12 of locating on the filter screen of cover, be provided with inlet 13 on the filter shell 12, be provided with liquid outlet 14 on the filter screen 11, inlet 13 is used for flowing into treat the filtrate so that treat that the filtrate is inside and flow out from liquid outlet 14 entering filter screen 11 after filter by filter screen 11.

The inventor finds that at least the following problems exist in the prior art: in the production stopping and transferring process of the production line, a large amount of materials can be retained in the filter, and the material loss is overlarge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an angle type filter, which can reduce material loss in the filter when a production line stops production and changes production on the premise of ensuring the filtering efficiency.

To solve the above technical problem, an embodiment of the present invention provides an angle filter, including: the filter comprises a filter screen and a filter shell sleeved on the filter screen, wherein a liquid inlet is formed in the filter shell, a liquid outlet is formed in the filter screen, and liquid to be filtered flows into the liquid inlet so that the liquid to be filtered enters the filter screen after being filtered by the filter screen and flows out of the liquid outlet; the filter screen is including enclosing the netted lateral wall that establishes formation first space, be provided with the filler in the first space, the filler with the lateral wall interval sets up.

Compared with the prior art, the filter screen comprises the net-shaped side wall which is arranged in an enclosing mode to form the first space, the filling piece is arranged in the first space, namely, the material filling space which has no influence on the filtering efficiency is reduced, so that the material loss in the filter during production line production stoppage and production change is reduced, in addition, the filter area of the filter screen is ensured to be unchanged due to the spaced arrangement of the filling piece and the side wall, further, on the premise of ensuring the filtering efficiency, the material loss in the filter during production line production stoppage and production change is reduced, and the workload of waste treatment is reduced.

In addition, the filling member is in a hollow column shape, and a sealing space is arranged in the filling member. By such arrangement, the enlarged area in the first space can be filled, the material can be saved, and the weight of the angle filter can be reduced.

In addition, the filling member is in a solid column shape.

In addition, along the axial of filler, the length of filler, filter screen and filter shell is equal. So set up for filter shell pipeline sectional area everywhere all reduces, thereby material loss in the filter when further having reduced production line stop production, having changeed the product, and alleviateed the work load of waste disposal.

In addition, the filter drum is used for supporting the filter screen, the filter drum is sleeved on the filling piece, and the filter drum is in a tubular shape with a through hole. So set up for the filter screen can not produce great deformation, has guaranteed the filtration efficiency of angle filter.

In addition, the filter cartridge also comprises a connecting piece used for fixing the filling piece, and the filling piece is connected with the inner wall of the filter cartridge through the connecting piece.

In addition, the filter shell includes relative first end and the second end that sets up, the liquid outlet sets up the filter screen is close to second end department, the inlet sets up the lauter tub is close to first end department. So set up, avoided because of the inlet setting treat in the filter shell that filtrate flow power is not enough and be detained in the problem of keeping away from liquid outlet one side too being close to liquid outlet one side, leading to, promoted filtration efficiency.

Additionally, the filter housing includes: main part and detachably install in drain nozzle on the main part, drain nozzle one end with main part detachably is fixed, the other end forms the liquid outlet, the filter screen is kept away from one side of first end support hold in on the inner wall of drain nozzle. So set up, more conveniently handle the sanitary dead angle region in the filter shell, reduced the work load of clean angle filter.

In addition, a sealing ring is arranged between the liquid outlet nozzle and the main body part. So set up, avoided treating the gap outflow between filtrate from play liquid nozzle and the main part.

In addition, the diameter of the liquid outlet is smaller than that of the filter shell.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic structural view of an angle filter provided in the related art;

FIG. 2 is a schematic diagram of an angled filter provided in an embodiment of the present invention;

FIG. 3 is an exploded view of an angle filter provided in an embodiment of the present invention;

FIG. 4 is a schematic view of the fluid flow direction of an angle filter provided in an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

The inventor finds that in the related art, in order to achieve the required flow rate, the angle filter ensures sufficient filtering area under a certain filtering precision, and generally increases the diameter of the filter shell of the filter and lengthens the length of the filter, which results in a larger diameter of the filter compared with the pipeline of the liquid inlet and the pipeline of the liquid outlet. In the production process, materials enter the filter from the liquid inlet, and the products are filtered out by the filter screen to be filled in the inner space of the filter cylinder, so that the material loss is large during production halt and production change, and the subsequent waste treatment workload is also large.

In view of the above-described problems, a first embodiment of the present invention relates to an angular filter, as shown in fig. 2 and 3, including: filter screen 11, the cover is located filter shell 12 on filter screen 11, be provided with inlet 13 on filter shell 12, be provided with liquid outlet 14 on the filter screen 11, inlet 13 is used for flowing into and treats the filtrate so that treat that the filtrate filters back entering filter screen 11 inside and from liquid outlet 14 outflow via filter screen 11, filter screen 11 is including enclosing the netted lateral wall 111 that establishes formation first space 30, is provided with filler 15 in the first space 30, filler 15 and lateral wall 111 interval set up.

Because the filter screen 11 is including enclosing the netted lateral wall 111 that establishes formation first space 30, be provided with filler 15 in the first space 30, namely, reduced the material filling space that does not have the influence to filtration efficiency, thereby production line shut down has been reduced, the material loss in the filter during the time of the change of production, and, because filler 15 and lateral wall 111 interval set up, thereby guaranteed that the filter area of filter screen 11 is unchangeable, and then realized guaranteeing under the prerequisite of filtration efficiency, reduce the production line shut down, the material loss in the filter during the time of the change of production, and alleviateed the work load of waste disposal.

In addition, the clean design requires that the water flow speed in the pipeline is more than or equal to 1m/s for the water quantity of CIP (cleaning on line). In this embodiment, the filling member 15 fills part of the space, and reduces the sectional area (pipe diameter) of the filter casing 12, thereby reducing the water volume requirement for cleaning the pipeline. Specifically, according to a formula Q ═ VA, where Q is the flow rate of the pipeline; v is the fluid flow rate; a is the cross-sectional area of the pipeline, and it can be seen that the smaller the cross-sectional area of the pipeline to be flushed, the smaller the amount of water required to be provided by the CIP water pump. In the related art, the filling member 15 is not provided to fill a part of the first space 30, and the cross-sectional area of the filter is the largest area of the entire filter housing 12; in the embodiment, the filter shell 12 is partially filled with the filling piece 15, so that the sectional area of the pipeline is reduced, the water requirement for online cleaning is reduced, and the investment cost of the water pump is reduced.

In this embodiment, the filter casing 12 may be an L-shaped sanitary stainless steel casing, the filter screen 11 may be a wire mesh, the filler 15 is a hollow column, and the inside of the filler 15 has a sealed space, so as to fill an enlarged area in the first space 30, save material, and reduce the weight of the angle filter, wherein the wall thickness of the filler 15 may be calculated by a design pressure, and in fact, when the wall thickness of the filler 15 is equal to the wall thickness of the filter casing 12, since the diameter of the filler 15 is smaller, the maximum pressure (the maximum pressure at which deformation does not occur) that can be borne by the filter casing 12 is greater than the limit pressure that the filter casing 12 can bear. Of course, the filling member 15 may also be a solid column, and similar technical effects can also be achieved, and will not be described herein again.

Optionally, the lengths of the filling member 15, the filter screen 11 and the filter shell 12 are equal along the axial direction of the filling member 15, and the arrangement is such that the sectional areas of the pipelines at all positions of the filter shell 12 are all reduced, thereby further reducing the material loss in the filter during the production line stop and production change and reducing the workload of waste treatment, of course, the length of the filling member 15 can also be shorter than the length of the filter shell 12, and is not described herein again.

Specifically, the angle filter may further include a filter cartridge 16 for supporting the filter screen 11, the filter cartridge 16 is sleeved on the filling member 15, the filter cartridge 16 is in a tubular shape with through holes, wherein the filter cartridge 16 may be made of stainless steel pipe punched holes, and by arranging the filter cartridge 16 as a support member of the filter screen 11, the filter screen 11 is not greatly deformed, thereby ensuring the filtering efficiency of the angle filter.

In practice, the angle filter may further include a connector 19 for fixing the filler member 15, and the filler member 15 is connected to the inner wall of the filter cartridge 16 via the connector 19. In this embodiment, the connector 19 may include: four support plates are uniformly arranged around the packing member 15, and each support plate includes first and second side surfaces which are oppositely arranged and are respectively connected to the outer surface of the packing member 15 and the inner wall of the filter cartridge 16, thereby realizing stable support of the packing member 15 without affecting the filtering efficiency.

In this embodiment, strain shell 12 and can include relative first end 121 and the second end 122 that sets up, and liquid outlet 14 sets up and is close to second end 122 department at filter screen 11, and inlet 13 sets up and is close to first end 121 department at the lauter tub, so sets up, has avoided because of inlet 13 sets up and is being close to liquid outlet 14 one side too, leads to treating in the strain shell 12 that the filtrate flow power is not enough and be detained in the problem of keeping away from liquid outlet 14 one side, has promoted filtration efficiency.

In practical applications, the first end 121 may further be provided with a sealing cover 17, the first end 121 of the filter housing 12 and the side of the filter screen 11 close to the first end 121 are both sealed by the sealing cover 17, and the side of the filter screen 11 away from the first end 121 is connected to the filter housing 12, so that the second space 40 formed by clamping the filter screen 11 and the filter housing 12 is an independent space (i.e., the second space 40 can only be connected to the inner space of the filter screen 11 through the filtering holes on the filter screen 11).

As shown in fig. 4, the arrows indicate the flow direction of the liquid in the angle filter, specifically, the liquid to be filtered flows into the angle filter from the liquid inlet 13, enters the inside of the screen 11 after being filtered by the screen 11, and finally flows out from the liquid outlet 14.

Optionally, the filter housing 12 may include: main part 123, and detachably install liquid outlet 124 on main part 123, liquid outlet 124 one end is fixed with main part 123 detachably, the other end forms liquid outlet 14, filter screen 11 is kept away from one side of first end 121 and is supported on the inner wall of liquid outlet 124, for the scheme of the filter shell 12 structure as an organic whole among the correlation technique, because liquid outlet 124 detachably installs on main part 123 in this embodiment, can take off liquid outlet 124 when needs are washd, it is regional to be more convenient to handle the sanitary dead angle of liquid outlet 124 department in the filter shell 12, the work load of clean angle filter has been reduced.

Specifically, in the related art, after the filter is cleaned on line, the cleaning effect needs to be checked and verified. It is conventional to withdraw the filter cartridge 16 for inspection and use a flashlight to visually inspect the interior of the filter housing 12, if the filter is not removed, which is inconvenient on-line. If the cleaning is not clean, the cleaning needs to be performed off line again, even an extra tool needs to be used for cleaning the bottom space in the cylinder, and the operation is very complicated. In this embodiment, by providing the liquid outlet 124 detachably mounted on the main body 123, the outlet pipe of the filter housing 12 can be detached only for inspection or manually cleaning the portion where residual materials are likely to accumulate without pulling out the filter cartridge 16, thereby reducing the work of the operator.

In order to avoid the liquid to be filtered from flowing out from the gap between the liquid outlet nozzle 124 and the main body part 123, a sealing ring 18 may be further disposed between the liquid outlet nozzle 124 and the main body part 123, wherein the sealing ring 18 may be made of rubber.

Compared with the prior art, the method and the device have the advantages that on the premise of meeting the requirement on a clean filter, the material loss in the filter is reduced, the water quantity requirement of on-line cleaning is reduced, the problem that a sanitary dead angle area is difficult to clean is solved, and fewer material losses, more efficient cleaning and more convenient inspection procedures are realized.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the utility model, and that various changes in form and details may be made therein without departing from the spirit and scope of the utility model in practice.

Claims

1. An angle filter, comprising: the filter comprises a filter screen and a filter shell sleeved on the filter screen, wherein a liquid inlet is formed in the filter shell, a liquid outlet is formed in the filter screen, and liquid to be filtered flows into the liquid inlet so that the liquid to be filtered enters the filter screen after being filtered by the filter screen and flows out of the liquid outlet;

the filter screen is including enclosing the netted lateral wall that establishes formation first space, be provided with the filler in the first space, the filler with the lateral wall interval sets up.

2. The angle filter of claim 1, wherein the filler member is a hollow cylinder and the filler member has a sealed space therein.

3. The angle filter of claim 1, wherein the filler piece is a solid cylinder.

4. The angle filter of claim 2 or 3, wherein the filler, the strainer and the filter housing are of equal length in the axial direction of the filler.

5. The angle filter of claim 2 or 3, further comprising a filter cartridge for supporting the filter screen, the filter cartridge being mounted on the filler member, the filter cartridge being tubular with through-holes.

6. The angle filter of claim 5, further comprising a connector for securing the filler member, the filler member being connected to the inner wall of the filter cartridge via the connector.

7. The angle filter of claim 1, wherein the filter housing includes first and second oppositely disposed ends, the liquid outlet port being disposed at the filter screen proximate the second end, and the liquid inlet port being disposed at the filter housing proximate the first end.

8. The angle filter of claim 7, wherein the filter housing comprises: main part and detachably install in drain nozzle on the main part, drain nozzle one end with main part detachably is fixed, the other end forms the liquid outlet, the filter screen is kept away from one side of first end support hold in on the inner wall of drain nozzle.

9. The angle filter of claim 8, wherein a gasket is disposed between the spout and the body portion.

10. The angle filter of claim 1, wherein the exit port has a diameter less than a diameter of the filter housing.