A gentamicin sulfate injection filtering device

Abstract

The utility model relates to injection filtering technical field, concretely is a kind of gentamicin sulfate injection filtering device, including screening box and the liquid inlet cylinder of top intercommunication thereof, the baffle is arranged in screening box and is divided into left and right two groups of screening cavities, filter cloth is arranged in each group of screening cavities, the bottom intercommunication of screening box has liquid outlet pipe, and first solenoid valve is arranged on liquid outlet pipe to control the opening and closing of liquid outlet pipe.The utility model is controlled by double screening cavities and solenoid valve interconnection design, realizes the automatic switching of filtering path, ensures production continuity and liquid processing efficiency;Combined with high-pressure flushing from bottom to top and overflow discharge mechanism, can efficiently remove blocked impurities without disassembling filter cloth, reduce downtime maintenance time, prolong filter cloth life.

Description

Technical Field

[0001] This utility model relates to the field of injection filtration technology, and in particular to a filtration device for gentamicin sulfate injection. Background Technology

[0002] In the production of gentamicin sulfate injection, filtration is a crucial step in removing impurities and ensuring the purity of the solution. Traditional filtration devices often employ a single filter cloth structure, requiring shutdown for replacement or cleaning when the filter cloth becomes clogged, leading to reduced production efficiency and even the risk of drug contamination due to restarting after shutdown. While some existing technologies have attempted to incorporate dual filtration chambers, the switching process relies on manual operation, resulting in low automation and a lack of efficient online cleaning mechanisms. This leads to poor filter cloth regeneration and difficulties in treating cleaning wastewater. Therefore, there is an urgent need for a filtration device that can automatically switch filtration paths, support online cleaning, and accurately monitor clogging status. Utility Model Content

[0003] In view of this, the purpose of this utility model is to provide a filtration device for gentamicin sulfate injection to solve the problem of reduced production efficiency caused by the need to stop the machine to replace or clean the filter cloth when it is clogged.

[0004] To achieve the above objectives, this utility model provides a filtration device for gentamicin sulfate injection, including a sieving box and an inlet cylinder connected to its top. The sieving box is divided into two sets of sieving chambers by a partition, and each set of sieving chambers is provided with a filter cloth. The bottom of the sieving box is connected to an outlet pipe, and a first solenoid valve is provided on the outlet pipe to control the opening and closing of the outlet pipe.

[0005] Each screening chamber is connected to the inlet cylinder via an inlet pipe, and a second solenoid valve is installed on the inlet pipe to control the opening and closing of the inlet pipe.

[0006] In some optional embodiments, a cleaning section is provided in the screening chamber. The cleaning section includes a water pump and a flushing pipe connected to the outlet of the water pump. The inlet of the water pump is connected to an external water supply pipe. Starting the water pump can flush the filter cloth from the bottom through the flushing pipe.

[0007] In some alternative embodiments, a triggering component is also provided in the screening chamber to control the opening and closing of the water pump, the first solenoid valve, and the second solenoid valve.

[0008] In some alternative embodiments, the cleaning unit further includes an overflow pipe communicating with the screening chamber, the overflow pipe being located on the upper side of the filter cloth and having a third solenoid valve disposed thereon.

[0009] In some alternative embodiments, the triggering component includes an upper pressure sensor disposed on the upper side of the filter cloth and a lower pressure sensor disposed on the lower side of the filter cloth.

[0010] In some alternative embodiments, the top of the inlet cylinder is provided with an inlet plug for injecting liquid into the inlet cylinder.

[0011] As can be seen from the above, the gentamicin sulfate injection filtration device provided by this utility model achieves automatic switching of the filtration path through the design of dual screening chambers and solenoid valves, ensuring production continuity and drug treatment efficiency; combined with the bottom-up high-pressure flushing and overflow discharge mechanism, it can efficiently remove clogging impurities without disassembling the filter cloth, reduce downtime maintenance time, and extend the filter cloth life. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in one or more embodiments of this specification or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this specification. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a first-view structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the main sectional view of the present invention;

[0015] Figure 3 This is a schematic diagram of the internal structure of the sieve analysis of this utility model.

[0016] The diagram is marked as follows:

[0017] 1. Screening box; 11. Baffle plate; 12. Liquid outlet pipe; 121. First solenoid valve; 2. Liquid inlet cylinder; 21. Liquid inlet plug; 22. Liquid inlet pipe; 221. Second solenoid valve; 3. Filter cloth; 4. Cleaning section; 41. Water pump; 42. Overflow pipe; 43. Rinsing pipe; 421. Third solenoid valve; 5. Trigger assembly; 51. Upper pressure sensor; 52. Lower pressure sensor. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0019] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] Please see Figures 1 to 3 As an embodiment of the present utility model, a filtration device for gentamicin sulfate injection includes a sieving box 1 and an inlet cylinder 2 connected to its top. The sieving box 1 is provided with a partition 11 to divide it into two sets of sieving chambers, and a filter cloth 3 is provided in each set of sieving chambers. The bottom of the sieving box 1 is connected to an outlet pipe 12, and a first solenoid valve 121 is provided on the outlet pipe 12 to control the opening and closing of the outlet pipe 12.

[0021] Each screening chamber is connected to the inlet cylinder 2 via an inlet pipe 22. A second solenoid valve 221 is installed on the inlet pipe 22 to control the opening and closing of the inlet pipe 22.

[0022] In this embodiment, the sieving box 1 is divided into two sets of sieving chambers by the partition 11. When the filter cloth 3 in one set of sieving chambers becomes clogged, the second solenoid valve 221 on the inlet pipe 22 connected to this set is closed and the second solenoid valve 221 on the inlet pipe 22 connected to the other set is opened, so that the injection liquid enters the other set of sieving chambers and is filtered through the other set of filter cloths 3. During this period, the operator is allowed to clean or replace the clogged filter cloth 3 without stopping the machine, thereby improving operating efficiency.

[0023] Optionally, a cleaning section 4 is provided in the screening chamber. The cleaning section 4 includes a water pump 41 and a flushing pipe 43 connected to the outlet of the water pump 41. The inlet of the water pump 41 is connected to an external water supply pipe. When the water pump 41 is started, the filter cloth 3 can be flushed from the bottom through the flushing pipe 43.

[0024] In this embodiment, the filter cloth 3 can be cleaned by turning on the water pump 41 and rinsing it from bottom to top through the rinsing pipe 43 to flush away the impurities clogging the filter cloth 3.

[0025] Optionally, the cleaning unit 4 also includes an overflow pipe 42 that communicates with the screening chamber. The overflow pipe 42 is located on the upper side of the filter cloth 3 and a third solenoid valve 421 is provided thereon.

[0026] When the water pump 41 is rinsing the filter cloth 3, it first closes the first solenoid valve 121 on the liquid outlet pipe 12 connected to this screening chamber. As the water pump 41 continues to rinse the filter cloth 3, the water level in this screening chamber gradually rises. At this time, the external control system opens the third solenoid valve 421, and the water carrying impurities will be discharged outward through the overflow pipe 42.

[0027] Optionally, a triggering component 5 is also provided in the screening chamber to control the opening and closing of the water pump 41, the first solenoid valve 121, and the second solenoid valve 221.

[0028] The triggering component 5 includes an upper pressure sensor 51 disposed on the upper side of the filter cloth 3 and a lower pressure sensor 52 disposed on the lower side of the filter cloth 3.

[0029] In this embodiment, the pressure values ​​of the upper pressure sensor 51 and the lower pressure sensor 52 are monitored in real time by an external control system to calculate the filtration pressure difference. When the filter cloth 3 of a certain screening chamber is detected to be blocked, the first solenoid valve 121 and the second solenoid valve 221 connected to this chamber are closed, and the first solenoid valve 121 and the second solenoid valve 221 connected to another set of screening chambers are opened to complete the filtration switching.

[0030] Optionally, an inlet plug 21 is provided at the top of the inlet cylinder 2 for injecting liquid into the inlet cylinder 2.

[0031] Working principle: In use, the device divides the screening box 1 into two screening chambers, left and right, by the partition 11. In the initial state, the liquid enters the screening chamber through the inlet cylinder 2 and the inlet pipe 22 on one side. After being filtered by the filter cloth 3, it is output through the outlet pipe 12. When the trigger component 5 detects that the pressure difference of the filter cloth 3 on one side exceeds the standard through the upper and lower pressure sensors 52, the external control system immediately closes the second solenoid valve 221 and the first solenoid valve 121 on that side, and at the same time opens the second solenoid valve 221 and the first solenoid valve 121 on the other side to achieve seamless switching of the liquid path. Then, the water pump 41 on the blocked side is started to spray flushing water upward from the lower side of the filter cloth 3 to wash away impurities and raise the water level in the screening chamber. After the third solenoid valve 421 of the overflow pipe 42 is opened in control, the wastewater containing impurities is discharged through the overflow pipe 42, completing the online cleaning of the filter cloth 3. Finally, the standby state of that side is restored, forming a closed-loop process of alternating filtration and cleaning in the dual chambers.

[0032] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the scope of this invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of this invention as described above, which are not provided in the details for the sake of brevity.

[0033] The embodiments of this utility model are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A filtration device for gentamicin sulfate injection, comprising a screening box (1) and an inlet cylinder (2) connected to its top, characterized in that, The screening box (1) is provided with a partition (11) to divide it into two screening chambers, left and right. Each screening chamber is provided with a filter cloth (3). The bottom of the screening box (1) is connected to a liquid outlet pipe (12). A first solenoid valve (121) is provided on the liquid outlet pipe (12) to control the opening and closing of the liquid outlet pipe (12). Each screening chamber is connected to the inlet cylinder (2) through an inlet pipe (22). A second solenoid valve (221) is installed on the inlet pipe (22) to control the opening and closing of the inlet pipe (22).

2. The filtration device for gentamicin sulfate injection solution according to claim 1, characterized in that, The screening chamber is provided with a cleaning section (4), which includes a water pump (41) and a flushing pipe (43) connected to the outlet of the water pump (41). The inlet of the water pump (41) is connected to an external water supply pipe. When the water pump (41) is started, the filter cloth (3) can be flushed from the bottom through the flushing pipe (43).

3. The filtration device for gentamicin sulfate injection solution according to claim 2, characterized in that, The screening chamber is also equipped with a triggering component (5) to control the opening and closing of the water pump (41), the first solenoid valve (121), and the second solenoid valve (221).

4. The filtration device for gentamicin sulfate injection solution according to claim 2, characterized in that, The cleaning section (4) also includes an overflow pipe (42) connected to the screening chamber. The overflow pipe (42) is located on the upper side of the filter cloth (3) and a third solenoid valve (421) is provided thereon.

5. The filtration device for gentamicin sulfate injection solution according to claim 3, characterized in that, The triggering component (5) includes an upper pressure sensor (51) disposed on the upper side of the filter cloth (3) and a lower pressure sensor (52) disposed on the lower side of the filter cloth (3).

6. The filtration device for gentamicin sulfate injection solution according to claim 1, characterized in that, The top of the liquid inlet cylinder (2) is provided with a liquid inlet plug (21) for injecting liquid into the liquid inlet cylinder (2).

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