CN211753973U

CN211753973U - Rotary liquid flow disc filter

Info

Publication number: CN211753973U
Application number: CN202020159694.4U
Authority: CN
Inventors: 许瑞
Original assignee: Suzhou Fest Industrial Equipment Co ltd
Current assignee: Suzhou Fest Industrial Equipment Co ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-10-27
Anticipated expiration: 2030-02-10

Abstract

The utility model relates to a rotary liquid flow disc filter, which comprises a bottom bearing plate and an upper cover plate detachably connected with the top end of the bottom bearing plate, wherein the top of the bottom bearing plate is provided with a lower cavity with an upward opening, the upper cover plate seals the opening of the lower cavity and the bottom of the upper cover plate is provided with an upper cavity with a downward opening; an annular flow channel is arranged in the upper cover plate and above the upper cavity along the circumferential direction of the upper cavity, and the bottom end of the annular flow channel is communicated with the upper cavity; the upper cover plate is connected with a feeding pipeline communicated with the annular flow channel, and an included angle between the axial direction of the feeding pipeline close to the pipe orifice of the annular flow channel and the radial direction of the annular flow channel is an acute angle or an obtuse angle; the lower cavity is internally provided with a filtering membrane covering the bottom opening of the upper cavity, the bottom bearing plate is also provided with a discharge pipeline communicated with the lower cavity, and the communication port of the discharge pipeline and the lower cavity is positioned below the filtering membrane. The utility model has the advantages of small filtration loss in small batches.

Description

Rotary liquid flow disc filter

Technical Field

The utility model belongs to the technical field of the technique of filter and specifically relates to a rotatory liquid flow disc filter is related to.

Background

Raw material color paste, semi-finished product aluminum paste and various additives which need to be added in the production process of the paint can be precipitated and the dried and solidified paint skin can be caked after being placed for a long time in the storage process, and the precipitates and the dried and solidified paint skin can not be scattered in a traditional stirring mode before the paint is added. Therefore, in order to ensure the quality of the finished coating, the feeding must be carried out after the filtration.

At present, the mode of filtering precipitates and dried and solidified paint leather lumps is to introduce liquid products to be filtered into some general filters such as stainless steel bag filters, but cavities and pipelines of the general filters cause very large loss of liquid, and liquid loss caused by filter materials of the general filters is not suitable for filtering raw materials in small-batch production processes and filtering before small-batch finished product packaging.

SUMMERY OF THE UTILITY MODEL

To the deficiencies of the prior art, the object of the present invention is to provide a rotary fluid flow disc filter which has the advantage of small filtration losses in small batches.

The above object of the present invention can be achieved by the following technical solutions:

a rotary liquid flow disc type filter comprises a bottom bearing plate and an upper cover plate detachably connected to the top end of the bottom bearing plate, wherein a lower cavity with an upward opening is formed in the top of the bottom bearing plate, the upper cover plate seals the opening of the lower cavity, and an upper cavity with a downward opening is formed in the bottom of the upper cover plate; an annular flow channel is arranged in the upper cover plate and above the upper cavity along the circumferential direction of the upper cavity, and the bottom end of the annular flow channel is communicated with the upper cavity; the upper cover plate is connected with a feeding pipeline communicated with the annular flow channel, and an included angle between the axial direction of the feeding pipeline close to the pipe orifice of the annular flow channel and the radial direction of the annular flow channel is an acute angle or an obtuse angle; the bottom cavity is internally provided with a filtering membrane covering the bottom opening of the upper cavity, the bottom bearing plate is also provided with a discharge pipeline communicated with the lower cavity, and the discharge pipeline and a communication port of the lower cavity are positioned below the filtering membrane.

By adopting the technical scheme, after the materials are pumped into the filter, the materials form rotary liquid flow in the inner cavity of the filter through the offset pipeline port, and then flow into the lower cavity after being filtered by the filter membranes with different filtering precisions, and the rotary liquid flow can effectively utilize the plane of the whole filter membrane. The product has extremely low raw material loss and effective filtration area in the filtration process, and is suitable for small-batch filtration.

The present invention may be further configured in a preferred embodiment as: the caliber of one end of the annular flow channel, which is close to the upper cavity, is smaller than the caliber of the top of the annular flow channel.

Through adopting above-mentioned technical scheme for can also stable formation whirl when flowing into upper portion cavity by the pan feeding pipeline.

The present invention may be further configured in a preferred embodiment as: the lower cavity is funnel-shaped.

Through adopting above-mentioned technical scheme, do benefit to the outflow of liquid after the filtration, have the water conservancy diversion effect.

The present invention may be further configured in a preferred embodiment as: the filter membrane is characterized in that a supporting plate is placed in the lower cavity, a plurality of through holes are formed in the supporting plate, and the filter membrane is clamped between the supporting plate and the upper cover plate.

Through adopting above-mentioned technical scheme, the setting of the filter membrane of being convenient for.

The present invention may be further configured in a preferred embodiment as: and the bottom surface of the supporting plate is provided with a flow guide groove for covering all the through holes.

By adopting the technical scheme, the loss caused by the attachment of the raw materials is reduced, and meanwhile, the use of the raw materials is also reduced, so that the cost is saved, and the whole weight of the filter is favorably reduced.

The present invention may be further configured in a preferred embodiment as: the upper cover plate is composed of an upper pressing plate and a middle ring plate which are sequentially arranged from top to bottom, the annular flow channel and the upper cavity are composed of the upper pressing plate and the middle ring plate, and the feeding pipeline is arranged on the middle ring plate.

By adopting the technical scheme, the annular flow passage and the cleaning of the annular flow passage are convenient to form.

The present invention may be further configured in a preferred embodiment as: the bottom end of the middle-layer annular plate is provided with a first ring buckle along the circumferential direction of the middle-layer annular plate, and the first ring buckle extends into the lower cavity to be abutted against the top surface of the filter membrane; and a second ring buckle is arranged on the upper pressure plate along the circumferential direction of the middle ring plate, is positioned on the outer side of the middle ring plate and is in contact with the outer wall of the middle ring plate.

Through adopting above-mentioned technical scheme, can make closely cooperate between top board, middle level crown plate and the bottom bearing board three, increase the connection stability between the wholeness of device and each part.

The present invention may be further configured in a preferred embodiment as: and a fastening screw is arranged on the bottom bearing plate and on the outer side of the middle ring plate along the vertical direction, a positioning hole for the fastening screw to pass through is formed in the upper pressure plate, and a claw nut which is abutted against the top end of the upper pressure plate is in threaded connection with the fastening screw.

Through adopting above-mentioned technical scheme, realized the function of dismantling of upper portion apron, be convenient for with the change of filter membrane.

The present invention may be further configured in a preferred embodiment as: the bottom end of the fastening screw rod is rotatably connected with the bottom bearing plate and can rotate up and down, and the positioning port extends to the outer side wall of the upper pressure plate and is used for allowing the fastening screw rod to rotate out.

Through adopting above-mentioned technical scheme, after finishing using, can unscrew the goat's horn nut and will fasten the screw rod and rotate out from the location mouth to open the cavity fast and take away and close the cavity after taking away filter membrane.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the upper cavity, the lower cavity, the annular flow channel and the offset feeding pipeline, materials form rotary liquid flow in the inner cavity of the filter through the offset pipeline opening and then flow into the lower cavity after being filtered by the filtering membranes with different filtering precisions, and the filter has the advantages of extremely low raw material loss and effective filtering area in the product filtering process and small filtering loss in small batches;

2. the arrangement of the support plate and the middle-layer ring plate facilitates the sealing and pressing of the filter membrane, and improves the sealing performance of the filter;

3. through setting up screw rod, goat's horn nut and the setting of location mouth, can open the cavity fast after finishing using, thereby take away and also can close the cavity fast behind the filter membrane and wash the filter.

Drawings

FIG. 1 is a schematic view of the overall construction of a rotary fluid disc filter;

FIG. 2 is a cross-sectional view A-A of a rotary fluid disc filter;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a bottom bearing plate; 11. a lower cavity; 12. a discharge pipeline; 13. a support plate; 14. a through hole; 15. a diversion trench; 16. a connecting port; 2. an upper cover plate; 21. an upper cavity; 22. an annular flow passage; 23. an upper pressure plate; 24. a middle ring plate; 25. a first buckle; 26. a second buckle; 27. positioning the opening; 3. a feeding pipeline; 4. a filter membrane; 5. fastening the screw rod; 51. a claw nut; 6. and a weight reduction groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1, for the utility model discloses a rotary liquid flow disc filter, including bottom bearing board 1 and upper portion apron 2, upper portion apron 2 sets up the top at bottom bearing board 1.

Referring to fig. 2, the upper cover plate 2 is composed of an upper press plate 23 and a middle ring plate 24 which are sequentially arranged from top to bottom, and a circular convex block is arranged on the bottom surface of the upper press plate 23 in a downward protruding manner. The longitudinal section of the middle ring plate 24 is L-shaped, the top of the middle ring plate is attached to the bottom surface of the upper pressing plate 23, an upper cavity 21 is formed between the inner side wall of the middle ring plate and the bottom wall of the circular bump of the upper pressing plate 23, and the upper cavity 21 is circular and has a downward opening; an annular flow passage 22 is formed between the inner side wall of the annular flow passage and the outer side wall of the circular bump of the upper pressure plate 23, the annular flow passage 22 is arranged along the circumferential direction of the upper cavity 21 and is positioned above the upper cavity 21, and the outer diameter of the annular flow passage 22 is larger than the diameter of the upper cavity 21. The bottom end of the annular flow passage 22 is communicated with the upper cavity 21, and the caliber of one end of the annular flow passage 22 close to the upper cavity 21 is smaller than that of the top of the annular flow passage 22.

Referring to fig. 1 and 2, the outer wall of the middle ring plate 24 is connected with a feeding pipe 3 communicated with the annular flow passage 22, and an included angle between an axial direction of the feeding pipe 3 close to the pipe orifice of the annular flow passage 22 and a radial direction of the annular flow passage 22 is an acute angle or an obtuse angle, that is, the pipe orifice of the feeding pipe 3 close to the annular flow passage 22 is in an offset state. After the material is pumped into the filter from the feed pipe 3 by the diaphragm pump, the material will form a rotating flow in the inner cavity of the upper cover plate 2 through the offset pipe orifice.

Referring to fig. 2, the bottom supporting plate 1 is provided with a lower cavity 11 with an upward opening at the top, the lower cavity 11 is funnel-shaped, and the top opening of the lower cavity is closed by the upper cover plate 2. A supporting plate 13 is horizontally arranged in the lower cavity 11, a plurality of through holes 14 are arranged on the supporting plate 13, and with reference to fig. 3, a filtering membrane 4 covering the bottom opening of the upper cavity 21 is arranged between the supporting plate 13 and the middle ring plate 24, and the filtering membrane 4 is tightly pressed on the supporting plate 13 by the middle ring plate 24 in a sealing manner.

Referring to fig. 2, a discharge pipeline 12 communicated with the lower cavity 11 is arranged at the bottom end of the bottom supporting plate 1, and a communication port of the discharge pipeline 12 and the lower cavity 11 is located below the supporting plate 13. The guide grooves 15 covering all the through holes 14 are arranged on the bottom surface of the support plate 13, so that the axial length of the through holes 14 is reduced, the loss caused by raw material adhesion is reduced, the use of raw materials is reduced, and the cost and the whole weight of the filter are saved. In order to further reduce the cost and weight of the filter, a lightening groove 6 is also arranged on the top surface of the upper cover plate.

Referring to fig. 2 and 3, a first ring buckle 25 is arranged at the bottom end of the middle layer annular plate 24 along the circumferential direction of the middle layer annular plate 24, and the first ring buckle 25 extends into the lower cavity 11 to abut against the top surface of the filter membrane 4. The bottom surface of the upper press plate 23 is provided with a second ring buckle 26 along the circumferential direction of the middle ring plate 24, and the second ring buckle 26 is positioned outside the middle ring plate 24 and contacts with the outer wall of the middle ring plate 24.

Referring to fig. 1, two fastening screws 5 are arranged on the bottom supporting plate 1 and outside the middle ring plate 24, and both the two fastening screws 5 are arranged along the vertical direction. Specifically, the bottom bearing plate 1 is provided with two connectors 16 corresponding to the two fastening screws 5 one by one, and the bottom ends of the fastening screws 5 are rotatably connected with the corresponding connectors 16 through a horizontally arranged rotating shaft, so that the fastening screws 5 can rotate up and down. The upper pressing plate 23 is provided with a positioning opening 27 for the fastening screw 5 to pass through, and the positioning opening 27 extends to the outer side wall of the upper pressing plate 23 and can be used for the fastening screw 5 to rotate out. The tightening screw 5 is in threaded connection with a claw nut 51, and the claw nut 51 is screwed down to enable the claw nut 51 to be abutted against the top end of the upper pressure plate 23, so that the upper pressure plate 23, the middle ring plate 24 and the bottom bearing plate 1 can be fixed.

The implementation principle of the above embodiment is as follows:

after the materials are pumped into the filter through the diaphragm pump connected with the feeding pipeline 3, the materials form rotary liquid flow in the inner cavity of the filter through an offset pipeline port, then flow into the lower cavity 11 after being filtered by the filtering membranes 4 with different filtering precisions on the supporting plate 13 and flow out through the discharging pipeline 12, and the rotary liquid flow can effectively utilize the plane of the whole filtering membranes 4. The part contacted by the whole material is processed by stainless steel with high precision and polished precisely, and all corners are circular arcs to reduce material residue and facilitate cleaning.

After the use, the claw screw cap 51 is unscrewed, the fastening screw 5 is separated from the positioning hole 27, the cavity can be quickly opened, the filter membrane 4 is taken away, and then the cavity is closed, and then the whole set of filter pipeline and the inner cavity of the filter can be cleaned by using the original system and a small amount of solvent by about 10L to be reused.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A rotary fluid flow disc filter, comprising: the device comprises a bottom bearing plate (1) and an upper cover plate (2) detachably connected to the top end of the bottom bearing plate (1), wherein a lower cavity (11) with an upward opening is formed in the top of the bottom bearing plate (1), the upper cover plate (2) seals the opening of the lower cavity (11), and an upper cavity (21) with a downward opening is formed in the bottom of the upper cover plate; an annular flow channel (22) is arranged in the upper cover plate (2) and above the upper cavity (21) along the circumferential direction of the upper cavity (21), and the bottom end of the annular flow channel (22) is communicated with the upper cavity (21); the upper cover plate (2) is connected with a feeding pipeline (3) communicated with the annular flow channel (22), and an included angle between the axial direction of the feeding pipeline (3) close to the pipe orifice of the annular flow channel (22) and the radial direction of the annular flow channel (22) is an acute angle or an obtuse angle; the filter membrane (4) covering the bottom opening of the upper cavity (21) is arranged in the lower cavity (11), a discharge pipeline (12) communicated with the lower cavity (11) is further arranged on the bottom bearing plate (1), and the communication port of the discharge pipeline (12) and the lower cavity (11) is located below the filter membrane (4).

2. A rotary fluid disc filter according to claim 1 wherein: the caliber of one end of the annular flow passage (22) close to the upper cavity (21) is smaller than that of the top of the annular flow passage (22).

3. A rotary fluid disc filter according to claim 1 wherein: the lower cavity (11) is funnel-shaped.

4. A rotary fluid disc filter according to claim 3 wherein: a supporting plate (13) is placed in the lower cavity (11), a plurality of through holes (14) are formed in the supporting plate (13), and the filtering membrane (4) is clamped between the supporting plate (13) and the upper cover plate (2).

5. A rotary fluid disc filter according to claim 4 wherein: and the bottom surface of the supporting plate (13) is provided with a flow guide groove (15) for covering all the through holes (14).

6. A rotary fluid disc filter according to claim 1 wherein: the upper cover plate (2) is composed of an upper pressure plate (23) and a middle layer annular plate (24) which are sequentially arranged from top to bottom, the annular flow channel (22) and the upper cavity (21) are composed of the upper pressure plate (23) and the middle layer annular plate (24) together, and the feeding pipeline (3) is arranged on the middle layer annular plate (24).

7. A rotary fluid disc filter according to claim 6 wherein: the bottom end of the middle-layer annular plate (24) is provided with a first buckle (25) along the circumferential direction of the middle-layer annular plate (24), and the first buckle (25) extends into the lower cavity (11) and abuts against the top surface of the filtering membrane (4); and a second buckle (26) is arranged on the upper pressure plate (23) along the circumferential direction of the middle ring plate (24), and the second buckle (26) is positioned on the outer side of the middle ring plate (24) and is in contact with the outer wall of the middle ring plate (24).

8. A rotary fluid disc filter according to claim 6 wherein: the bottom bearing plate (1) is provided with a fastening screw rod (5) on the outer side of the middle ring plate (24) in the vertical direction, the upper pressing plate (23) is provided with a positioning hole (27) for the fastening screw rod (5) to penetrate through, and the fastening screw rod (5) is in threaded connection with a claw nut (51) which is abutted against the top end of the upper pressing plate (23).

9. A rotary fluid disc filter according to claim 8 wherein: the bottom end of the fastening screw rod (5) is rotatably connected with the bottom bearing plate (1) and can rotate up and down, and the positioning opening (27) extends to the outer side wall of the upper pressure plate (23) and is used for allowing the fastening screw rod (5) to rotate out.