Filtering device for pharmacy

Abstract

The utility model provides a pharmaceutical filtering device which comprises a support, a main liquid inlet pipe is fixedly installed above the support, a main liquid outlet pipe is fixedly installed below the support, and a plurality of filtering pipes are evenly and fixedly installed on the support in an annular array shape. A filter element is detachably and fixedly mounted in the filter pipe, the top end of the filter pipe is fixedly connected with the main liquid inlet pipe, and the bottom end of the filter pipe is fixedly connected with the main liquid outlet pipe; vacuum machine equipment is fixedly installed on the support. According to the utility model, the overall operation is not influenced in the process of replacing the filter element, and meanwhile, before the filter element is replaced, the corresponding filter tube can be vacuumized, the filter element in the filter tube can be pressed, and liquid medicine retained on the filter element can be squeezed down, so that in the overall operation process, the operation is more convenient, flexible and efficient, and the operation efficiency is improved. Moreover, the waste of liquid medicine can be reduced in the process of replacing the filter element, so that the whole device is more energy-saving and environment-friendly.

Description

Technical Field

[0001] The utility model relates to the pharmaceutical field, and in particular to a pharmaceutical filtering device. Background Art

[0002] In the process of pharmaceutical production, corresponding liquid medicine filters are needed: this filter is mainly used to remove impurities and microorganisms in liquid medicine to ensure the purity and quality of liquid medicine. Impurities in liquid medicine, such as suspended matter, sediment, particles, etc., and microorganisms, such as bacteria, viruses, fungi, etc., may affect the quality and stability of liquid medicine, and even cause harm to human health. Liquid medicine filters separate these impurities and microorganisms through filter media to ensure the safety and effectiveness of liquid medicine.

[0003] Although there are many different pharmaceutical filter devices on the market, the existing pharmaceutical filter devices cannot operate as a whole during the process of cleaning the filter element, and the drug liquid in the filter element cannot be fully discharged during the process of cleaning the filter element, which easily causes waste of drug liquid.

[0004] Therefore, it is very necessary to invent a pharmaceutical filter. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pharmaceutical filtering device adopting a technical solution: a pharmaceutical filtering device, comprising a bracket, wherein: a total liquid inlet pipe is fixedly installed above the bracket, and a total liquid outlet pipe is fixedly installed below the bracket, and a plurality of filter tubes are evenly fixedly installed in a circular array on the bracket; a filter element is detachably fixedly installed in the filter tube, and the top end of the filter tube is fixedly connected to the total liquid inlet pipe, and the bottom end of the filter tube is fixedly connected to the total liquid outlet pipe; a vacuum machine device is fixedly installed on the bracket;

[0006] Preferably, the top end of each filter tube is connected to the air extraction end of the vacuum machine;

[0007] Preferably, the bottom of the filter tube is provided with an internal threaded opening, and a drainage pipe is fixedly installed on one side of the bottom of the filter tube, and the drainage pipe is connected to the filter tube; a liquid inlet pipe is fixedly installed on one side of the top of the filter tube, and one end of the liquid inlet pipe extends into the interior of the filter tube, and an internal threaded cap is fixedly installed on one end of the liquid inlet pipe inside the filter tube; the internal threaded cap is connected to the liquid inlet pipe and the filter tube; an air pipe is fixedly installed on the top of the filter tube, and the air pipe is connected to the filter tube; the filter element is detachably fixedly installed in the filter tube through the internal threaded opening, and the top of the filter element is threadedly connected to the internal threaded cap;

[0008] Preferably, the drain pipe is fixedly connected to the main liquid outlet pipe, and the drain pipe is communicated with the main liquid outlet pipe, and an electromagnetic valve is provided between the drain pipe and the main liquid outlet pipe;

[0009] Preferably, the liquid inlet pipe is fixedly connected to the main liquid inlet pipe, and the liquid inlet pipe is communicated with the main liquid inlet pipe, and an electromagnetic valve is provided between the liquid inlet pipe and the main liquid inlet pipe;

[0010] Preferably, the air pipe is connected to the air extraction end of the vacuum machine equipment;

[0011] Preferably, the filter element comprises a filter bag, and a liquid storage cap is fixedly mounted on the bottom end of the filter bag, and an external threaded ring is fixedly mounted on the open end of the filter bag; the external threaded ring is communicated with the filter bag; the liquid storage cap and the external threaded ring are fixedly connected by at least three support plates, and the support plates are fixedly connected to the outer surface of the filter bag;

[0012] Preferably, the filter bag and the support plate are in the corresponding filter tube, and the opening of the filter bag is connected to the corresponding liquid inlet pipe;

[0013] Preferably, the liquid storage cap is threadedly fixedly connected to the internal thread opening;

[0014] Preferably, the external thread ring and the internal thread cap are fixedly connected by threads.

[0015] Preferably, the bracket includes a lower fixed seat and an upper fixed seat, and the circumferential surface of the lower fixed seat and the upper fixed seat are fixedly connected by at least three connecting plates, and a plurality of holes are respectively opened on the lower fixed seat and the upper fixed seat; the filter tube is fixedly installed in the corresponding holes of the lower fixed seat and the upper fixed seat; the vacuum machine equipment is fixedly installed on the upper fixed seat.

[0016] Preferably, the vacuum machine equipment includes a vacuum machine and an annular tube, and the suction end of the vacuum machine is connected to the annular tube, and the annular tube is connected to each air pipe; an electromagnetic valve is provided between the air pipe and the annular tube; the vacuum machine and the annular tube are fixedly mounted on an upper fixed seat.

[0017] Preferably, a control box is fixedly mounted on one of the connection plates, and a controller inside the control box is electrically connected to communicate with the vacuum machine and the electromagnetic valve.

[0018] Compared with the prior art, the advantages of the utility model are:

[0019] The overall arrangement of the utility model can replace the filter element without affecting the overall operation. Before replacing the filter element, the corresponding filter tube can be vacuumed and the filter element inside the filter tube can be pressurized to squeeze out the medicine liquid retained on the filter element. In this way, the overall operation is not only more convenient, flexible and efficient, but also the waste of medicine liquid can be reduced during the replacement of the filter element, making the whole more energy-saving and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0022] Figure 3 It is a schematic diagram of a half-section structure of a filter tube of the utility model.

[0023] Figure 4 It is a partial enlarged structural schematic diagram of point A of the utility model.

[0024] In the figure:

[0025] Bracket 1, lower fixing seat 11, upper fixing seat 12, connecting plate 13, main liquid inlet pipe 2, main liquid outlet pipe 3, filter tube 4, internal threaded port 41, discharge pipe 42, liquid inlet pipe 43, internal threaded cap 44, air pipe 45, filter element 5, liquid storage cover 51, external threaded ring 52, support plate 53, filter bag 54, annular tube 6, vacuum machine 7, control box 8. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0028] The utility model is further described below in conjunction with the accompanying drawings:

[0029] Embodiment 1

[0030] Reference Figure 1-4 , a pharmaceutical filtering device, comprising a bracket 1, wherein: a total liquid inlet pipe 2 is fixedly installed above the bracket 1, and the total liquid inlet pipe 2 is arranged to facilitate connection with an external liquid medicine supply device, and a total liquid outlet pipe 3 is fixedly installed below the bracket 1, and the total liquid outlet pipe 3 is arranged to facilitate discharge of the filtered liquid medicine, and a plurality of filter tubes 4 are evenly and fixedly installed in a circular array on the bracket 1, and the arrangement of the bracket 1 can ensure the stability of the overall operation process; a filter element 5 is detachably fixedly installed in the filter tube 4, and the arrangement of the filter tube 4 facilitates the disassembly and assembly of the filter element 5, and ensures the stability of the filter element 5 in the process of filtering the liquid medicine, and the top end of the filter tube 4 is fixedly connected to the total liquid inlet pipe 2, and the bottom end of the filter tube 4 is fixedly connected to the total liquid outlet pipe 3; a vacuum machine device is fixedly installed on the bracket 1, and the vacuum machine device can be arranged to evacuate each filter tube 4 so as to desorb the liquid medicine retained on the filter element 5;

[0031] The top end of each filter tube 4 is connected to the air extraction end of the vacuum machine so as to evacuate each filter tube 4;

[0032] An internal threaded opening 41 is provided at the bottom of the filter tube 4. The setting of the internal threaded opening 41 facilitates the disassembly and assembly of the filter element 5. A drainage pipe 42 is fixedly installed on one side of the bottom of the filter tube 4. The setting of the drainage pipe 42 facilitates the delivery of the filtered liquid in the filter tube 4 to the total liquid outlet pipe 3. The drainage pipe 42 is connected to the filter tube 4. An inlet pipe 43 is fixedly installed on one side of the top of the filter tube 4. The setting of the inlet pipe 43 facilitates the diversion of the liquid in the total liquid inlet pipe 2 to the corresponding filter tube 4. One end of the inlet pipe 43 extends into the interior of the filter tube 4. The inlet pipe 43 is connected to the filter tube 4. An internal threaded cap 44 is fixedly installed at one end of the filter tube 43 inside the filter tube 4. The internal threaded cap 44 can ensure the strength of the filter element 5 in the filter tube 4; the internal threaded cap 44 is connected to the liquid inlet pipe 43 and the filter tube 4; an air pipe 45 is fixedly installed at the top of the filter tube 4. The air pipe 45 is convenient for vacuuming the filter tube 4 through a vacuum machine, and the air pipe 45 is connected to the filter tube 4; the filter element 5 is detachably fixedly installed in the filter tube 4 through the internal threaded opening 41, and the top of the filter element 5 is threadedly connected to the internal threaded cap 44;

[0033] The drain pipe 42 is fixedly connected to the main liquid outlet pipe 3, and the drain pipe 42 is communicated with the main liquid outlet pipe 3. An electromagnetic valve is provided between the drain pipe 42 and the main liquid outlet pipe 3. Through the setting of the electromagnetic valve, the opening and closing between the corresponding drain pipe 42 and the liquid outlet pipe 3 can be independently controlled;

[0034] The liquid inlet pipe 43 is fixedly connected to the main liquid inlet pipe 2, and the liquid inlet pipe 43 is communicated with the main liquid inlet pipe 2. An electromagnetic valve is provided between the liquid inlet pipe 43 and the main liquid inlet pipe 2. Through the setting of the electromagnetic valve, the connection and disconnection between the liquid inlet pipe 43 and the main liquid inlet pipe 2 can be independently controlled;

[0035] The air pipe 45 is connected to the air extraction end of the vacuum machine equipment;

[0036] The filter element 5 includes a filter bag 54. Through the setting of the filter bag 54, the drug liquid can be filtered and impurities in the drug liquid can be collected. A liquid storage cap 51 is fixedly installed at the bottom end of the filter bag 54. Through the setting of the liquid storage cap 51, the internal threaded port 41 can be sealed and blocked. An external threaded ring 52 is fixedly installed at the open end of the filter bag 54. Through the setting of the external threaded ring 52, it can be ensured that the opening of the filter bag 54 is always connected to the liquid inlet pipe 43; the external threaded ring 52 is connected to the filter bag 54; the liquid storage cap 51 and the external threaded ring 52 are fixedly connected by at least three support plates 53. Through the setting of the support plates 53, the stability between the liquid storage cap 51 and the external threaded ring 52 can be ensured, and the filter bag 54 is supported at the same time, and the support plates 53 are fixedly connected to the outer surface of the filter bag 54; a liquid collecting chamber is opened inside the liquid storage cap 51, and the liquid collecting chamber is connected to the filter bag 54;

[0037] The filter bag 54 and the support plate 53 are in the corresponding filter tube 4, and the opening of the filter bag 54 is connected to the corresponding liquid inlet pipe 43;

[0038] The liquid storage cover 51 is threadedly fixedly connected to the internal thread opening 41 ; the external thread ring 52 is threadedly fixedly connected to the internal thread cap 44 , so that the filter element 5 can be easily disassembled and assembled separately.

[0039] The bracket 1 includes a lower fixed seat 11 and an upper fixed seat 12. The arrangement of the lower fixed seat 11 and the upper fixed seat 12 can ensure the stability of each filter tube 4, and the circumferential surface of the lower fixed seat 11 and the upper fixed seat 12 are fixedly connected by at least three connecting plates 13. The arrangement of the connecting plates 13 facilitates the fixed installation of the pharmaceutical filtering device at a desired position. A plurality of holes are respectively formed through the lower fixed seat 11 and the upper fixed seat 12. The arrangement of the holes facilitates the installation of the filter tube 4. The filter tube 4 is fixedly installed in the holes corresponding to the lower fixed seat 11 and the upper fixed seat 12. The vacuum machine equipment is fixedly installed on the upper fixed seat 12.

[0040] The vacuum machine equipment includes a vacuum machine 7 and an annular tube 6, and the suction end of the vacuum machine 7 is connected to the annular tube 6, and the annular tube 6 is connected to each air pipe 45. Through the setting of the annular tube 6, the exhaust end of the vacuum machine 7 is conveniently connected to each air pipe 45; an electromagnetic valve is provided between the air pipe 45 and the annular tube 6; the vacuum machine 7 and the annular tube 6 are fixedly installed on the upper fixed seat 12; since the vacuum machine 7 is a very mature technology, it will not be described in detail here.

[0041] A control box 8 is fixedly mounted on one of the connecting plates 13, and a controller inside the control box 8 is electrically connected to the vacuum machine 7 and the electromagnetic valve for communication; the controller adopts existing technology, such as PLC in the existing technology, so it will not be described in detail here.

[0042] In this embodiment, when in use, the pharmaceutical filter device is fixedly installed at a desired position through the lower fixing seat 11, the upper fixing seat 12 and the connecting plate 13, and then the main liquid inlet pipe 2 is connected to the external liquid supply device, and the main liquid outlet pipe 3 is connected to the external liquid collection device;

[0043] Then, the electromagnetic valve between one of the liquid inlet pipes 43 and the main liquid inlet pipe 2, and the electromagnetic valve between the liquid discharge pipe 42 and the main liquid outlet pipe 3 are opened, and the liquid medicine can be filtered through the filter element 5 inside the filter tube 4, and the filtered liquid medicine will be discharged through the main liquid outlet pipe 3;

[0044] When the filter element 5 needs to be replaced, the shell uses the vacuum machine 7 to evacuate the corresponding filter tube 4, or it can not be evacuated. If it is evacuated, it can apply pressure to the filter bag 54 in the filter tube 4, so as to desorb the drug liquid retained on the filter bag 54, so that the drug liquid flows into the liquid collection chamber for collection, and prevents the drug liquid from spilling when the filter element 5 is taken out;

[0045] When the filter element 5 needs to be removed, open the electromagnetic valve between another filter tube 4 and the main liquid inlet pipe 2 and the main liquid outlet pipe 3, and close the electromagnetic valve on the filter tube 4 corresponding to the filter element 5 to be removed; finally, rotate the liquid storage cover 51 to remove the filter element 5, and then clean or replace the filter element 5.

[0046] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A pharmaceutical filtering device, characterized in that: It comprises a bracket (1), wherein: a main liquid inlet pipe (2) is fixedly mounted above the bracket (1), and a main liquid outlet pipe (3) is fixedly mounted below the bracket (1); a plurality of filter tubes (4) are evenly and fixedly mounted on the bracket (1); a filter element (5) is detachably and fixedly mounted in the filter tube (4), and the top end of the filter tube (4) is fixedly connected to the main liquid inlet pipe (2), and the bottom end of the filter tube (4) is fixedly connected to the main liquid outlet pipe (3); a vacuum machine device is fixedly mounted on the bracket (1); The top end of each filter tube (4) is connected to the air extraction end of the vacuum machine; The bottom of the filter tube (4) is provided with an internal thread opening (41), and a liquid discharge pipe (42) is fixedly installed on one side of the bottom of the filter tube (4), and the liquid discharge pipe (42) is in communication with the filter tube (4); a liquid inlet pipe (43) is fixedly installed on one side of the top of the filter tube (4), and one end of the liquid inlet pipe (43) extends into the interior of the filter tube (4), and an internal thread cap (44) is fixedly installed on one end of the liquid inlet pipe (43) located in the interior of the filter tube (4); the internal thread cap (44) is in communication with the liquid inlet pipe (43) and the filter tube (4); an air pipe (45) is fixedly installed on the top of the filter tube (4), and the air pipe (45) is in communication with the filter tube (4); the filter element (5) is detachably fixedly installed in the filter tube (4) through the internal thread opening (41), and the top of the filter element (5) is threadedly connected to the internal thread cap (44); The liquid discharge pipe (42) is fixedly connected to the main liquid discharge pipe (3), and the liquid discharge pipe (42) and the main liquid discharge pipe (3) are communicated with each other, and an electromagnetic valve is provided between the liquid discharge pipe (42) and the main liquid discharge pipe (3); The liquid inlet pipe (43) is fixedly connected to the main liquid inlet pipe (2), and the liquid inlet pipe (43) is communicated with the main liquid inlet pipe (2), and an electromagnetic valve is provided between the liquid inlet pipe (43) and the main liquid inlet pipe (2); The air pipe (45) is connected to the air extraction end of the vacuum machine; The filter element (5) comprises a filter bag (54), and a liquid storage cap (51) is fixedly mounted on the bottom end of the filter bag (54), and an external threaded ring (52) is fixedly mounted on the open end of the filter bag (54); the external threaded ring (52) is in communication with the filter bag (54); the liquid storage cap (51) and the external threaded ring (52) are fixedly connected via at least three support plates (53), and the support plates (53) are fixedly connected to the outer surface of the filter bag (54); The filter bag (54) and the support plate (53) are located in the corresponding filter tube (4), and the opening of the filter bag (54) is in communication with the corresponding liquid inlet pipe (43); The liquid storage cover (51) is threadedly fixedly connected to the internal thread opening (41); The external thread ring (52) and the internal thread cap (44) are threadedly fixedly connected.

2. A pharmaceutical filtering device as claimed in claim 1, characterized in that: The bracket (1) comprises a lower fixing seat (11) and an upper fixing seat (12), and the circumferential surfaces of the lower fixing seat (11) and the upper fixing seat (12) are fixedly connected via at least three connecting plates (13), and a plurality of holes are respectively provided through the lower fixing seat (11) and the upper fixing seat (12); the filter tube (4) is fixedly mounted in the corresponding holes of the lower fixing seat (11) and the upper fixing seat (12); and the vacuum machine equipment is fixedly mounted on the upper fixing seat (12).

3. A pharmaceutical filtering device as claimed in claim 2, characterized in that: The vacuum machine device comprises a vacuum machine (7) and an annular tube (6), wherein the suction end of the vacuum machine (7) is connected to the annular tube (6), and the annular tube (6) is connected to each air pipe (45); an electromagnetic valve is provided between the air pipe (45) and the annular tube (6); and the vacuum machine (7) and the annular tube (6) are fixedly mounted on an upper fixing seat (12).

4. A pharmaceutical filtering device as claimed in claim 3, characterized in that: A control box (8) is fixedly mounted on one of the connection plates (13), and a controller inside the control box (8) is electrically connected to the vacuum machine (7) and the electromagnetic valve for communication.

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