CN218961960U

CN218961960U - Pharmaceutical filter with backwashing function

Info

Publication number: CN218961960U
Application number: CN202223512053.0U
Authority: CN
Inventors: 蒋建国; 张林芬; 郑小松; 夏鹏炼; 蒋浩淼
Original assignee: Jiangsu Xingke Pharmaceutical Equipment Manufacturing Co ltd
Current assignee: Jiangsu Xingke Pharmaceutical Equipment Manufacturing Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-05
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a pharmaceutical filter with a back flushing function, which relates to the field of pharmaceutical equipment and aims to solve the technical problems that the filtering function is lost and the liquid medicine passing performance is reduced due to the fact that impurity particles are easy to remain in the existing pharmaceutical filter.

Description

Pharmaceutical filter with backwashing function

Technical Field

The utility model belongs to the field of pharmaceutical equipment, and particularly relates to a pharmaceutical filter with a back flushing function.

Background

The biological pharmacy raw material is mainly natural biological materials, including microorganisms, human bodies, animals, plants, marine organisms and the like, larger particles possibly exist in the process of pharmacy production, and the particles can cause the prepared medicines to be unshaped so as to reduce the quality, so that a filter is needed to be used for removing the larger impurity particles in the pharmacy process, finer powder and liquid medicine are reserved in the pharmacy process, but the inner cavity of the pharmacy filter needs to be cleaned at intervals, and the defect of filtration function and the decline of liquid medicine trafficability caused by the massive residue of the impurity particles of the medicines are avoided.

The traditional Chinese patent with the publication number of CN212914725U discloses a filter for biopharmaceuticals, which comprises a filter box, wherein the front end of the filter box is rotationally connected with a sealing cover, the surface of the sealing cover is provided with a feed delivery pipe, a filter base is rotationally arranged in the filter box, a plurality of limiting strips are fixedly connected to the filter base, slots are formed in the surfaces of the limiting strips, a filter barrel for filtering impurities is inserted in the slots, the rear end of the filter box is provided with a motor, and the driving end of the motor is connected with the filter base; according to the utility model, the new pharmaceutical raw medicine is filled in the material conveying pipe, the filtering speed is increased by continuously keeping the rotation of the filtering barrel, the control pipe valve on the material discharging pipe is kept in an open state, and the material discharging pipe continuously outputs the filtered raw liquid, so that the continuous operation of the filter is ensured, the filter is more efficient and rapid, the filtering base and the filtering barrel are of an inserting structure, the filter base and the filtering barrel can be conveniently detached, the filtering barrel can be conveniently pulled out by personnel to clean the filter barrel, trouble and effort are saved, the cleaning is convenient and thorough, and the filter is more practical.

Accordingly, a back-flushing filter has been developed to solve the problems that the filtration function is lost and the liquid medicine passing performance is lowered due to the easy residue of impurity particles in the pharmaceutical filter, and the impurity particles of the drug remaining in the filter are flushed out and collected by a back-flushing device attached to the filter housing.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a pharmaceutical filter with a back flushing function, which aims to solve the technical problems that the existing pharmaceutical filter is easy to remain impurity particles to cause the loss of the filtering function and the decrease of the liquid medicine passing property.

(2) Technical proposal

In order to solve the technical problems, the utility model provides a pharmaceutical filter with a back flushing function, which comprises a first filter shell, a second filter shell arranged at the rear end of the first filter shell, and a third filter shell arranged at the rear end of the second filter shell, wherein a water outlet is formed in the lower end of the first filter shell, a filter disc is arranged on the inner side of the first filter shell, the filter disc is arranged on the rear side of the water outlet, an upper support is arranged at the upper end of the second filter shell, a pump is arranged at the upper end of the upper support, a flushing nozzle is arranged at the top end of the inner side of the second filter shell, and the flushing nozzle is connected with the pump through a pipeline.

When the pharmaceutical filter with the back flushing function is used, the prepared medicine sequentially passes through the first filter shell, the second filter shell and the third filter shell along the conveying channel, large particle impurities in the medicine are intercepted by the filter disc in the first filter shell, then the valve is closed, the conveying channel is closed, the pump is started, purified water in the external water tank is pumped out and pressurized to be sprayed out of the flushing nozzle, the filter disc is reversely flushed, the vertical oil cylinder is started, the sealing block is separated from the water outlet, residual medicine particles on the front end surface of the filter disc are flushed down by water flow and flow into the guide groove through the water outlet, flow into the water accumulation groove along the slope of the guide groove, and the medicine particles are intercepted in the guide groove by the interception net.

Further, the go-between that has the external screw thread is all installed to both ends around No. two filter housing, no. one filter housing rear end be provided with go-between threaded connection's a butt joint mouth, no. three filter housing front end be provided with another go-between threaded connection's No. two butt joint mouth, assemble through threaded connection's mode between No. one filter housing, no. two filter housings and No. three filter housing, it is convenient to install and remove, and each part is updated simply.

Further, a straight-shaped supporting frame is arranged on the inner side of the connecting ring, front baffle tables are symmetrically arranged on the inner wall of the first filter shell up and down, the supporting frame is arranged on the rear side of the filter disc, the front baffle tables are arranged on the front side of the filter disc, and after the first filter shell and the second filter shell are arranged, the supporting frame and the front baffle tables fix the filter disc in a clamping mode.

Further, a valve connected with the drug delivery channel is arranged at the front end of the first filter shell, a front support is arranged at the lower end of the first filter shell, a base is arranged at the lower end of the front support, the valve can be connected with the channel for delivering the drug by using a ball valve or a stop valve, and a communication channel between the drug delivery channel and the filter can be opened and closed.

Further, the vertical oil cylinder is arranged at the upper end of the base, the sealing block is arranged at the top end of the hydraulic actuating element of the vertical oil cylinder, the sealing block is arranged on the inner side of the water outlet, the vertical oil cylinder lifts the sealing block in a mode of longitudinally stretching a hydraulic shaft rod to open or close the water outlet, and a rubber ferrule is arranged around the sealing block, so that the sealing performance is good.

Furthermore, the lower end of the third filter shell is provided with a rear support with the same height as the front support, the lower end of the rear support is provided with a water accumulation tank, flushing water flowing down from the water outlet flows into the water accumulation tank along the guide tank, a small amount of medicine molecules are contained in the accumulated water, and a user can independently treat the accumulated water in the water accumulation tank.

Further, the guide groove is installed to ponding groove front end, the guide groove front end set up in the lower mouth of a river below, the guide groove with install the interception net between the ponding groove, the passageway between interception net and the guide groove is truncated, makes water pass through, and the medicine granule is not passable, plays the effect of sieving, and the user carries out independent processing to the medicine granule in the guide groove.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the pharmaceutical filter with the back flushing function adopts a combined filter structure, a sleeve with a back flushing mechanism is additionally arranged at the middle section of the filter, and the pharmaceutical impurity particles remained in front of the filter disc are flushed and discharged through the water outlet, so that the pharmaceutical filter with the back flushing function is convenient to flush and good in effect; the water collecting mechanism arranged at the lower end of the filter is used for concentrating and sieving the water which is flushed and discharged and has the medicine impurities, so that the medicine impurities can be collected and treated uniformly.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of a pharmaceutical filter with backwash function according to the present utility model;

FIG. 2 is a schematic view of a first filter housing of an embodiment of a pharmaceutical filter with backwash function according to the present utility model;

FIG. 3 is a schematic diagram of a second filter housing of an embodiment of a pharmaceutical filter with backwash function according to the present utility model;

fig. 4 is a schematic diagram of a third filter housing of an embodiment of a pharmaceutical filter with backwash function according to the present utility model.

The marks in the drawings are: 1. a first filter housing; 2. a water outlet; 3. a filter disc; 4. a second filter housing; 5. an upper support; 6. a pump machine; 7. flushing the spray head; 8. a third filter housing; 9. a connecting ring; 10. a first butt joint port; 11. a second interface; 12. a support frame; 13. a front baffle; 14. a valve; 15. a front support; 16. a base; 17. a vertical cylinder; 18. a sealing block; 19. a rear support; 20. a water accumulation tank; 21. a guide groove; 22. an interception net.

Detailed Description

The assembly structure of the filter for pharmacy with the back flushing function is shown in fig. 1, the structure of the first filter shell 1 is shown in fig. 2, the structure of the second filter shell 4 is shown in fig. 3, the structure of the third filter shell 8 is shown in fig. 4, the filter for pharmacy comprises the first filter shell 1, the second filter shell 4 arranged at the rear end of the first filter shell 1, the third filter shell 8 arranged at the rear end of the second filter shell 4, the lower end of the first filter shell 1 is provided with a water outlet 2, the inner side of the first filter shell 1 is provided with a filter disc 3, the filter disc 3 is arranged at the rear side of the water outlet 2, the upper end of the second filter shell 4 is provided with an upper support 5, the upper end of the upper support 5 is provided with a pump 6, the inner side top end of the second filter shell 4 is provided with a flushing nozzle 7, and the flushing nozzle 7 is connected with the pump 6 through a pipeline.

For the present embodiment, the pump 6 is connected to an external water tank, pumps water in the water tank, and pressurizes and ejects the water into the filter through the flushing nozzle 7, and the water jet direction of the flushing nozzle 7 faces the filter disc 3, so that the drug impurity particles remaining on the front side of the filter disc 3 are flushed out.

The filter device comprises a first filter shell (4), a second filter shell (4), a first butt joint port (10) with external threads, a second butt joint port (11) with threads connected with the first filter shell (9), a first support frame (12) arranged on the inner side of the first filter shell (9), a front baffle table (13) arranged on the inner wall of the first filter shell (1) in an up-down symmetrical mode, a support frame (12) arranged on the rear side of the filter disc (3), and a front baffle table (13) arranged on the front side of the filter disc (3), wherein the first filter shell (1), the second filter shell (4) and the third filter shell (8) are assembled in a threaded mode, the assembly and disassembly are convenient, each part is simple, and after the first filter shell (1) and the second filter shell (4) are installed, the support frame (12) and the front baffle table (13) clamp and fix the filter disc (3) between.

Meanwhile, the valve 14 connected with the drug delivery channel is arranged at the front end of the first filter shell 1, the front support 15 is arranged at the lower end of the first filter shell 1, the base 16 is arranged at the lower end of the front support 15, the vertical oil cylinder 17 is arranged at the upper end of the base 16, the sealing block 18 is arranged at the top end of a hydraulic actuating element of the vertical oil cylinder 17, the sealing block 18 is arranged at the inner side of the water outlet 2, the valve 14 can be connected with the drug delivery channel by using a ball valve or a stop valve, the communication channel between the drug delivery channel and the filter can be opened and closed, the vertical oil cylinder 17 lifts the sealing block 18 in a mode of longitudinally extending and retracting a hydraulic shaft rod, the water outlet 2 is opened or closed, a rubber ferrule is arranged around the sealing block 18, and the sealing performance is good.

In addition, the back support 19 with the same height as the front support 15 is installed to the lower extreme of No. three filter housing 8, ponding groove 20 is installed to back support 19 lower extreme, guide groove 21 is installed to ponding groove 20 front end, guide groove 21 front end set up in the lower part of water outlet 2, guide groove 21 with install interception net 22 between the ponding groove 20, the washing water that flows down from water outlet 2 flows into ponding groove 20 along guide groove 21, this part ponding contains a small amount of medicine molecules, and the user can carry out independent processing to this part ponding from ponding groove 20, and interception net 22 cuts off the passageway between ponding groove 20 and the guide groove 21, makes the water pass through, and the medicine granule is unable, plays the effect of sieving, and the user carries out independent processing to the medicine granule in guide groove 21.

When the pharmaceutical filter with the back flushing function is used, the prepared medicine sequentially passes through the first filter shell 1, the second filter shell 4 and the third filter shell 8 along the conveying channel, large particle impurities in the medicine are blocked by the filter disc 3 in the first filter shell 1, then the valve 14 is closed, the conveying channel is closed, the pump 6 is started, purified water in an external water tank is pumped out and pressurized to be sprayed out of the flushing nozzle 7, the filter disc 3 is reversely flushed, the vertical oil cylinder 17 is started, the sealing block 18 is separated from the water outlet 2, residual medicine particles on the front end surface of the filter disc 3 are flushed down by water flow and flow into the guide groove 21 through the water outlet 2, flow into the water accumulation groove 20 along the slope of the guide groove 21, and the medicine particles are blocked in the guide groove 21 by the blocking net 22.

Claims

1. The pharmaceutical filter with the back flushing function comprises a first filter shell, a second filter shell arranged at the rear end of the first filter shell, and a third filter shell arranged at the rear end of the second filter shell; the filter is characterized in that a water outlet is formed in the lower end of the first filter shell, a filter disc is arranged on the inner side of the first filter shell, the filter disc is arranged on the rear side of the water outlet, an upper support is arranged at the upper end of the second filter shell, a pump is arranged at the upper end of the upper support, a flushing nozzle is arranged at the top end of the inner side of the second filter shell, and the flushing nozzle is connected with the pump through a pipeline.

2. The pharmaceutical filter with backwashing function according to claim 1, wherein the front end and the rear end of the second filter housing are provided with connecting rings with external threads, the rear end of the first filter housing is provided with a first butt joint port in threaded connection with the connecting rings, and the front end of the third filter housing is provided with a second butt joint port in threaded connection with the other connecting rings.

3. The pharmaceutical filter with backwashing function according to claim 2, wherein a straight support frame is installed inside the connecting ring, front baffle tables are installed on the inner wall of the first filter shell in an up-down symmetrical mode, the support frame is arranged on the rear side of the filter disc, and the front baffle tables are arranged on the front side of the filter disc.

4. The pharmaceutical filter with backwash function according to claim 1, wherein a valve connected to the drug delivery channel is installed at the front end of the first filter housing, a front support is installed at the lower end of the first filter housing, and a base is installed at the lower end of the front support.

5. The pharmaceutical filter with backwashing function according to claim 4, wherein a vertical oil cylinder is installed at the upper end of the base, a sealing block is installed at the top end of a hydraulic actuating element of the vertical oil cylinder, and the sealing block is arranged on the inner side of the water outlet.

6. The pharmaceutical filter with backwash function according to claim 4, wherein a rear support having the same height as the front support is installed at the lower end of the third filter housing, and a water accumulation tank is installed at the lower end of the rear support.

7. The pharmaceutical filter with backwash function according to claim 6, wherein a guide groove is installed at the front end of the water accumulation groove, the front end of the guide groove is arranged below the water outlet, and an interception net is installed between the guide groove and the water accumulation groove.