Filtering device for medical waste liquid
By designing a support frame, filter box, filter screen, and motor-driven vibration system, the problem of particulate matter deposition in medical waste liquid filtration devices is solved, achieving efficient and stable filtration results and ensuring the continuity and reliability of waste liquid treatment.
Patent Information
- Application Number
- CN202520001019.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing medical waste filtration devices, particulate matter deposits on the surface of the filter screen and its membrane, resulting in a decrease in filtration speed and efficiency, and failing to meet the requirements for high-efficiency filtration.
The system employs a design that includes a support frame, filter box, filter screen, motor-driven vibration system, and water injection pipe. By vibrating the filter screen and evenly distributing the waste liquid, it utilizes shear force to suspend particles, reduce sedimentation, and ensure efficient filtration.
It improves filtration speed and efficiency, stabilizes the filtration process, reduces flux fluctuations caused by membrane fouling, ensures the continuity and reliability of medical waste treatment, and extends the service life of the filter membrane.
Smart Images

Figure CN223732288U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste liquid filtration technical field, concretely is a kind of filter device for medical waste liquid. BACKGROUND
[0002] Medical waste liquid refers to the liquid waste generated in medical activities, including but not limited to various types of wastewater, excrement, pharmaceutical waste liquid, surgical waste liquid and the like in ward, operating room, laboratory, delivery room and the like. These waste liquids may contain pathogenic microorganisms, chemical substances and drug residues and other harmful components to the environment and human health, and the basic function of medical waste liquid filtration device is to effectively physically screen and purify the wastewater generated in hospital to remove harmful substances such as suspended solids, bacteria and viruses in it, to ensure that the waste liquid meets environmental protection standards before discharge, and to reduce the impact on the environment and public health.
[0003] The common medical waste liquid filtration device includes a box body and a filter screen. When in use, the waste liquid is discharged into the inside of the box body, and then filtered through the filter screen to achieve the purpose of purification. However, this way cannot maintain a high filtration speed and efficiency because the filter screen is installed inside the box body, so that the particulate matter in the waste liquid continuously deposits on the upper surface of the filter screen and its filter membrane, which cannot meet the working requirements of waste liquid filtration. Therefore, a filter device for medical waste liquid is proposed. UTILITY MODEL CONTENT
[0004] (I) Technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides a filter device for medical waste liquid to solve the technical problem that the particulate matter in the waste liquid continuously deposits on the upper surface of the filter screen and its filter membrane during filtration, so that a high filtration speed and efficiency cannot be maintained.
[0006] (II) Technical scheme
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a filter device for medical waste liquid, comprising:
[0008] A support is internally provided with a filter box, a side plate is connected to the left side of the filter box, and a mounting table is installed on the top of the side plate;
[0009] An assembly frame is inserted into the inside of the lower side of the filter box, a filter screen is inserted into the inside of the middle position of the assembly frame, a first motor is installed on the top left side of the mounting table, and a rotor of the first motor is coaxially connected with a turntable;
[0010] A sliding rod is arranged on the top right side of the mounting table through the support, an outer sleeve of the sliding rod is provided with a sliding seat, the top of the sliding seat is connected with a mounting block, and the mounting block is connected with the left side of the filter screen;
[0011] A corner code is arranged on the front left side of the rotating disc, a screw rod is inserted into the corner code, a moving block is screwed on the outer side of the screw rod, the front of the moving block is connected with a hinged arm through a bearing, and the right end of the hinged arm is connected with the left side of the sliding seat through a bearing.
[0012] Preferably, the upper and lower sides of the filter screen are paved with filter membranes, the left and right ends of the filter screen are penetrated through the corresponding positions of the filter box, and the left and right sides of the filter screen are sleeved with sealing covers.
[0013] Preferably, the penetrating positions of the screw rod and the corner code are connected through bearings, the left side of the rotating disc is provided with a sliding groove at the positions on the upper and lower sides of the moving block, and the rear upper and lower sides of the moving block are inserted into the sliding groove through a bolt, the left and right movements of the moving block can be driven by rotating the screw rod, so that the speed of the left and right movements of the sliding seat driven by the hinged arm can be adjusted, the amplitude of the left and right vibrations of the filter screen is facilitated to be adjusted, and the adaptability of the filter device is improved.
[0014] Preferably, a through groove is arranged at the top middle position of the filter box, a water injection pipe is inserted into the through groove, and a transmission block is arranged on the rear upper side of the water injection pipe.
[0015] Preferably, a second motor is arranged on the top right side of the filter box, a connecting plate is arranged on the top left side of the filter box, a lead screw is coaxially connected with the rotor of the second motor, and the lead screw penetrates through the inside of the transmission block.
[0016] Preferably, the lead screw is screwed with the transmission block, a limiting rod is inserted into the front side of the inside of the transmission block, and the left end of the limiting rod is connected with the corresponding position of the connecting plate, the rotation of the lead screw can be driven by the second motor, so that the left and right movements of the transmission block and the water injection pipe can be driven, water can be conveniently introduced in the left and right directions when the waste liquid is introduced into the inside of the filter box, rather than being drained at a fixed point, the waste liquid can be more uniformly distributed on the filter membrane by moving the water injection pipe, the risk of local blockage is reduced, and the service life of the filter membrane is prolonged.
[0017] (Three) beneficial effects
[0018] Compared with the prior art, the filter device for medical waste liquid has the following beneficial effects:
[0019] The filtering device for medical waste liquid, through the rotation of the rotating disc driven by the first motor, the left and right reciprocating movement of the sliding seat and the mounting block can be driven through the hinged arm, and then the left and right vibration of the filter screen can be driven, so that the shear force generated by the vibration can help the suspended particles to be suspended on the membrane surface, reduce the deposition of particles on the membrane surface, thereby maintaining a high filtering speed and efficiency, and through the vibration filtering, the filtering process can be more stable, the fluctuation of the filtering flux caused by the membrane pollution is reduced, and the continuity and reliability of the medical waste liquid treatment are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the utility model;
[0021] Figure 2 It is a sectional view structural schematic diagram of the filter box of the utility model;
[0022] Figure 3 It is a structural schematic diagram of the top of the mounting table of the utility model;
[0023] Figure 4 It is a sectional view structural schematic diagram of the rotating disc of the utility model;
[0024] Figure 5 It is a structural schematic diagram of the top of the filter box of the utility model.
[0025] In the drawing: 1, support; 2, filter box; 3, side plate; 4, mounting table; 5, assembly frame; 6, filter screen; 61, sealing cover; 7, first motor; 8, rotating disc; 9, sliding rod; 10, sliding seat; 11, mounting block; 12, hinged arm; 13, angle code; 14, screw rod; 15, moving block; 16, sliding groove; 17, through slot; 18, water injection pipe; 19, second motor; 20, lead screw; 21, connecting plate; 22, transmission block; 23, limiting rod. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] The utility model provides a technical scheme, a kind of filter device for medical waste liquid, including support 1, filter box 2, side plate 3, installation platform 4, assembly frame 5, filter screen 6, sealing cover 61, first motor 7, carousel 8, slide bar 9, sliding seat 10, mounting block 11, hinged arm 12, angle code 13, screw rod 14, moving block 15, sliding slot 16, through slot 17, water injection pipe 18, second motor 19, lead screw 20, connecting plate 21, transmission block 22 and limit rod 23:
[0028] Please refer to Figure 1 , the inside of support 1 is equipped with filter box 2, the left side of filter box 2 is connected with side plate 3, and the top of side plate 3 is equipped with installation platform 4;
[0029] Please refer to Figure 2 , assembly frame 5 is inserted in the inside lower side of filter box 2, and filter screen 6 is inserted in the inside middle position of assembly frame 5, please refer to Figure 3 And Figure 4 , the top left side of installation platform 4 is equipped with first motor 7, and the rotor of first motor 7 is coaxially connected with carousel 8;
[0030] slide bar 9 is equipped at the top right side of installation platform 4 by foot support, the outside of slide bar 9 is equipped with sliding seat 10, the top of sliding seat 10 is connected with mounting block 11, and mounting block 11 is connected with the left side of filter screen 6;
[0031] angle code 13 is equipped at the front left side of carousel 8, screw rod 14 is inserted in the inside of angle code 13, the outside of screw rod 14 is screwed with moving block 15, the front of moving block 15 is connected with hinged arm 12 by bearing, and the right end of hinged arm 12 is connected with the left side of sliding seat 10 at corresponding position by bearing, filter membrane is laid on the upper and lower sides of filter screen 6, and the left and right ends of filter screen 6 are penetrated through the corresponding position of filter box 2, sealing cover 61 is equipped on the left and right sides of filter screen 6, the penetration of screw rod 14 and angle code 13 is connected by bearing, the inside left side of carousel 8 is provided with sliding slot 16 at the position of the upper and lower sides of moving block 15, and the upper and lower sides of the rear of moving block 15 are inserted in the inside of sliding slot 16 by bolt, the rotation of carousel 8 is driven by first motor 7, so that the left and right reciprocating movement of sliding seat 10 and mounting block 11 can be driven by hinged arm 12, and then filter screen 6 can be vibrated left and right, so that the shear force generated by vibration can help suspended particles to be suspended on membrane surface, reduce the deposition of particles on membrane surface, so that higher filtration speed and efficiency can be maintained, and through vibration filtration, the filtration process can be more stable, the filtration flux fluctuation caused by membrane pollution is reduced, and the continuity and reliability of medical waste liquid treatment are ensured;
[0032] Please refer to Figure 5The middle position of the top of the filter box 2 is provided with a through groove 17, a water injection pipe 18 is inserted in the through groove 17, a transmission block 22 is installed on the rear upper side of the water injection pipe 18, a second motor 19 is installed on the top right side of the filter box 2, a connecting plate 21 is installed on the top left side of the filter box 2, a lead screw 20 is coaxially connected with the rotor of the second motor 19, the lead screw 20 penetrates through the inside of the transmission block 22, the lead screw 20 is screwed with the transmission block 22, a limiting rod 23 is inserted in the inside front side of the transmission block 22, and the left end of the limiting rod 23 is connected with the corresponding position of the connecting plate 21, so that the rotation of the lead screw 20 can be driven by the second motor 19, the left and right movement of the transmission block 22 and the water injection pipe 18 can be driven, water can be conveniently introduced in the left and right directions when the waste liquid is introduced into the inside of the filter box 2, and not point drainage, so that the waste liquid can be more uniformly distributed on the filter membrane by moving the water injection pipe 18, the risk of local blockage is reduced, and the service life of the filter membrane is prolonged.
[0033] The first motor 7 drives the rotation of the rotating disc 8, so that the left and right reciprocating movement of the sliding seat 10 and the mounting block 11 can be driven by the hinged arm 12, and the left and right vibration of the filter screen 6 can be driven, so that the shear force generated by the vibration can help the suspended particles to be suspended on the membrane surface, the deposition of particles on the membrane surface is reduced, the filtration speed and efficiency are maintained to be high, the filtration process is more stable by vibration filtration, the filtration flux fluctuation caused by membrane pollution is reduced, the continuity and reliability of medical waste liquid treatment are ensured, the rotation of the lead screw 20 can be driven by the second motor 19, the left and right movement of the transmission block 22 and the water injection pipe 18 can be driven, water can be conveniently introduced in the left and right directions when the waste liquid is introduced into the inside of the filter box 2, and not point drainage, so that the waste liquid can be more uniformly distributed on the filter membrane by moving the water injection pipe 18, the risk of local blockage is reduced, and the service life of the filter membrane is prolonged.
[0034] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.
[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A filter device for medical waste fluids, characterized in that, Include: Support (1), the inside of the support (1) is provided with a filter box (2), the left side of the filter box (2) is connected with a side plate (3), the top of the side plate (3) is provided with a mounting table (4); The assembly frame (5) is inserted into the inside of the filter box (2), the filter screen (6) is inserted into the inside of the assembly frame (5), the first motor (7) is installed on the top left side of the mounting table (4), the rotor of the first motor (7) is coaxially connected with a rotating disc (8); The slide rod (9) is provided on the top right side of the mounting table (4) through the foot support, the slide rod (9) is provided with a slide seat (10) on the outside, the top of the slide seat (10) is connected with a mounting block (11), and the mounting block (11) is connected with the left side of the filter screen (6); The angle code (13) is provided on the front left side of the rotating disc (8), the screw rod (14) is inserted into the inside of the angle code (13), the mobile block (15) is screwed on the outside of the screw rod (14), the front of the mobile block (15) is connected with a hinged arm (12) through a bearing, and the right end of the hinged arm (12) is connected with the left side of the slide seat (10) through a bearing.
2. A filter device for medical waste fluid as claimed in claim 1, wherein: The upper and lower sides of the filter screen (6) are provided with filter membranes, the left and right ends of the filter screen (6) penetrate the corresponding positions of the filter box (2), and the left and right sides of the filter screen (6) are provided with sealing covers (61).
3. The filter device for medical waste fluid according to claim 1, wherein: The penetrating positions of the screw rod (14) and the angle code (13) are connected through bearings, the inside left side of the rotating disc (8) is provided with a sliding groove (16) at the positions of the upper and lower sides of the mobile block (15), and the rear upper and lower sides of the mobile block (15) are inserted into the inside of the sliding groove (16) through a bolt.
4. The filter device for medical waste fluid according to claim 1, wherein: The top middle position of the filter box (2) is provided with a through groove (17), the inside of the through groove (17) is provided with a water injection pipe (18), and the rear upper side of the water injection pipe (18) is provided with a transmission block (22).
5. A filter device for medical waste fluid as claimed in claim 4, wherein: The top right side of the filter box (2) is provided with a second motor (19), the top left side of the filter box (2) is provided with a connecting plate (21), the rotor of the second motor (19) is coaxially connected with a lead screw (20), and the lead screw (20) penetrates the inside of the transmission block (22).
6. A filter device for medical waste fluid as claimed in claim 5, wherein: The lead screw (20) is screwed with the transmission block (22), the inside of the transmission block (22) is provided with a limiting rod (23), and the left end of the limiting rod (23) is connected with the corresponding position of the connecting plate (21).