CN217988597U

CN217988597U - Bag filter

Info

Publication number: CN217988597U
Application number: CN202221710554.7U
Authority: CN
Inventors: 张汝成; 黎惠芳
Original assignee: Guangdong Kangqi Pharmaceutical Co ltd
Current assignee: Guangdong Kangqi Pharmaceutical Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-12-09
Anticipated expiration: 2032-07-05

Abstract

The utility model provides a bag filter, which comprises an outer cylinder, an inner cylinder, a mounting plate, a cover plate, a filter bag and a centrifugal driving device, wherein the mounting plate is arranged at the top of the outer cylinder; the filter bag of the inner cylinder is sleeved in the inner cylinder, and the cylinder wall is provided with a plurality of small holes. Compared with the prior art, the utility model discloses a bag filter realizes crossing filter bag centrifugal filtration through setting up inner tube and centrifugal drive device, improves filtration efficiency. Generally, the smaller the mesh number of the filter bag, the higher the filter cleanliness but the lower the efficiency, but the centrifugal force can be used to improve the filtering effect after the filter bag is converted into the centrifugal type.

Description

Bag filter

Technical Field

The utility model relates to a medicine preparation technical field especially relates to a bag filter.

Background

The bag filter is internally provided with a metal mesh basket for supporting a filter bag, liquid flows in from an inlet, flows out from an outlet after being filtered by the filter bag, impurities are intercepted in the filter bag, and the filter bag can be continuously used after being replaced. It has advantages such as bearing capacity is big, small handling capacity is big, change sack repeatedly usable, but present bag filter also has some not enoughly, and efficiency is not high and the sack filters and belongs to coarse filtration usually, to the pharmacy field, ordinary bag filter's filtration cleanliness can not satisfy the requirement.

Therefore, in order to solve the problems of the prior art, it is necessary to provide a bag filter technology with high efficiency and high cleanliness.

Disclosure of Invention

An object of the utility model is to avoid the weak point among the prior art and provide a high-efficient, high bag filter of filtration cleanliness factor.

The purpose of the utility model is realized through the following technical scheme:

the bag filter comprises an outer cylinder, an inner cylinder, a mounting plate, a cover plate, a filter bag and a centrifugal driving device, wherein the mounting plate is mounted at the top of the outer cylinder; the filter bag of the inner cylinder is sleeved in the inner cylinder, and the cylinder wall is provided with a plurality of small holes; the cover plate covers the mounting plate and is provided with a feeding pipe;

the lower part of the outer cylinder is provided with a liquid outlet pipe.

Preferably, a sealing ring is arranged at the contact part of the rotating shaft and the outer cylinder.

Preferably, the centrifugal driving device is a motor, and the motor is positioned outside the outer barrel and connected with the rotating shaft through a transmission assembly.

Preferably, the middle part of the cover plate is provided with a central mounting opening, and the top of the inner cylinder is mounted on the central mounting opening through an annular bearing.

Preferably, at least one filter layer is arranged, and the filter layer is sleeved outside the inner barrel and positioned inside the outer barrel.

Preferably, the filtering layer is a cylindrical filtering column, the filtering column comprises an annular cylindrical shell and filtering filler arranged in the annular cylindrical shell, and the wall of the annular cylindrical shell is provided with a plurality of filtering holes.

Preferably, the filter filler is a sponge or gauze layer.

Preferably, the annular cylindrical shell is provided with an openable lid.

Preferably, the lower part of the outer barrel is also provided with an annular liquid collecting part, and the liquid collecting part protrudes out of the barrel wall of the outer barrel and is provided with a liquid outlet pipe.

Preferably, the centrifugal driving device comprises a servo motor and a transmission component, and the servo motor drives the rotating shaft to rotate through a transmission part.

The utility model has the advantages that:

the utility model discloses a bag filter includes urceolus, inner tube, mounting panel, apron, filter bag and centrifugal drive device, and the mounting panel is installed in the top of urceolus, and the inner tube is located the inside of urceolus and the top of inner tube is rotationally installed in the mounting panel through the bearing, and the lower extreme rigid coupling of inner tube has the pivot, and the bottom that the pivot stretches out the urceolus is connected with the output transmission of centrifugal drive device; the filter bag of the inner cylinder is sleeved in the inner cylinder, and the cylinder wall is provided with a plurality of small holes. Compared with the prior art, the utility model discloses a bag filter realizes crossing filter bag centrifugal filtration through setting up inner tube and centrifugal drive device, improves filtration efficiency. Generally, the smaller the mesh number of the filter bag, the higher the filter cleanliness but the lower the efficiency, but the centrifugal force can be used to improve the filtering effect after the filter bag is converted into the centrifugal type.

Drawings

The present invention is further explained by using the attached drawings, but the content in the attached drawings does not constitute any limitation to the present invention.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 1 and 2 include:

1-outer cylinder, 2-inner cylinder, 3-mounting plate, 4-cover plate, 5-filter bag,

6-rotating shaft, 7-feeding pipe, 8-discharging pipe, 9-filtering column, 10-liquid-collecting portion.

Detailed Description

The present invention will be further illustrated with reference to the following examples.

Example 1

Referring to fig. 1, the bag filter of this embodiment includes an outer cylinder 1, an inner cylinder 2, a mounting plate 3, a cover plate 4, a filter bag 5 and a centrifugal driving device, the mounting plate 3 is mounted on the top of the outer cylinder 1, the inner cylinder 2 is located inside the outer cylinder 1, the top of the inner cylinder 2 is rotatably mounted on the mounting plate 3 through a bearing, the lower end of the inner cylinder 2 is fixedly connected with a rotating shaft 6, and the rotating shaft 6 extends out of the bottom of the outer cylinder 1 and is in transmission connection with the output end of the centrifugal driving device. The centrifugal driving device comprises a servo motor and a transmission component, and the servo motor drives the rotating shaft 6 to rotate through a transmission part. Meanwhile, a sealing ring is arranged at the contact part of the rotating shaft 6 and the outer cylinder 1.

The filter bag 5 of the inner cylinder 2 is sleeved in the inner cylinder 2, and the cylinder wall is provided with a plurality of small holes for the filtrate to pass through. Meanwhile, the cover plate 4 covers the mounting plate 3 and is provided with a feeding pipe 7, and the lower part of the outer barrel 1 is provided with a liquid outlet pipe 8.

Example 2

In this embodiment, on the basis of embodiment 1, a central mounting opening is formed in the middle of the cover plate 4, and the top of the inner cylinder 2 is mounted to the central mounting opening through an annular bearing.

The main technical solution of this embodiment is substantially the same as that of embodiment 1, and the features that are not explained in this embodiment adopt the explanations in embodiment 1, and are not described herein again.

Example 3

In this embodiment, on the basis of embodiment 1, at least one filter layer is further provided, and the filter layer is sleeved outside the inner cylinder 2 and is located inside the outer cylinder 1. The filter layer is arranged into a cylindrical filter column 9, the filter column 9 comprises an annular cylindrical shell and filter filler arranged in the annular cylindrical shell, and the filter filler of the embodiment is sponge or a gauze layer. Meanwhile, the shell wall of the annular cylindrical shell is provided with a plurality of filtering holes. The annular cylindrical shell is provided with an openable lid. Compared with a common filter, the bag filter has a better filtering effect and high efficiency.

The main technical solution of this embodiment is substantially the same as that in embodiment 1 or embodiment 2, and the features that are not explained in this embodiment adopt the explanations in embodiment 1 or embodiment 2, which are not described again here.

Example 4

Referring to fig. 2, in this embodiment, in addition to embodiment 1, the lower portion of the outer cylinder 1 is further provided with an annular liquid collecting part 10, and the liquid collecting part 10 protrudes out of the cylinder wall of the outer cylinder 1 and is provided with a liquid outlet pipe 8. The filter liquor can be conveniently collected and intensively discharged.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and do not limit the protection scope of the claims. It will be understood by those skilled in the art that various modifications and substitutions can be made to the preferred embodiment without departing from the spirit and scope of the invention.

Claims

1. Bag filter, its characterized in that: the filter bag comprises an outer barrel, an inner barrel, a mounting plate, a cover plate, a filter bag and a centrifugal driving device, wherein the mounting plate is mounted at the top of the outer barrel; the filter bag of the inner cylinder is sleeved in the inner cylinder, and the cylinder wall is provided with a plurality of small holes; the cover plate covers the mounting plate and is provided with a feeding pipe;

the lower part of the outer barrel is provided with a liquid outlet pipe.

2. The bag filter of claim 1, wherein: and a sealing ring is arranged at the contact part of the rotating shaft and the outer cylinder.

3. The bag filter of claim 1, wherein: the centrifugal driving device is a motor, and the motor is positioned outside the outer barrel and is connected with the rotating shaft through a transmission assembly.

4. The bag filter of claim 1, wherein: the middle part of the cover plate is provided with a central mounting opening, and the top of the inner cylinder is mounted in the central mounting opening through an annular bearing.

5. The bag filter of claim 1, wherein: at least one filter layer is arranged and sleeved outside the inner cylinder and positioned inside the outer cylinder.

6. The bag filter of claim 5, wherein: the filter layer is a cylindrical filter column, the filter column comprises an annular cylindrical shell and filter filler arranged in the annular cylindrical shell, and the wall of the annular cylindrical shell is provided with a plurality of filter holes.

7. The bag filter of claim 6, wherein: the filtering filler is a sponge or gauze layer.

8. The bag filter of claim 6, wherein: the annular cylindrical shell is provided with an openable lid.

9. The bag filter according to claim 1 or 5, wherein: the lower part of the outer barrel is also provided with an annular liquid collecting part which protrudes out of the barrel wall of the outer barrel and is provided with the liquid outlet pipe.

10. The bag filter of claim 1, wherein: the centrifugal driving device comprises a servo motor and a transmission assembly, and the servo motor drives the rotating shaft to rotate through a transmission part.