Filtering device for biological agent
The integrated filtration device design solves the problems of cumbersome operation and inconvenient cleaning of biological agent filtration devices, and realizes an efficient and convenient filtration and cleaning process.
Patent Information
- Application Number
- CN202520081037.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing biological agent filtration devices have cumbersome operating procedures, their independent use affects efficiency, and the fixed connection of the filter screen makes it inconvenient to disassemble and clean, affecting the cleanliness of the device.
Design an integrated filtration device, including a filter housing and a removable sealing cover, connected by a snap-fit and bolt structure, combined with a three-layer filter adsorption layer and a ventilation duct, to achieve sedimentation, filtration and cleaning in one device.
It simplifies the operation process, improves work efficiency, ensures the sealing and cleanliness of the device, and facilitates the disassembly and replacement of filter elements.
Smart Images

Figure CN223831985U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filtration device technology, specifically a filtration device for biological agents. Background Technology
[0002] Biological preparations are a variety of formulations made from carbon-based organisms with medical and research value, using traditional or modern biotechnology, and used for the prevention (health care), treatment, and diagnosis of various physiological symptoms in the human body.
[0003] In the existing technology of biological agent production, filtering biological agents through a filtration device to remove impurities is a common process. Filtration can remove impurities contained in biological agents and ensure the purity of biological agents.
[0004] However, some problems still exist in the existing technology. First, the existing filtration devices are divided into multiple steps during filtration, including sedimentation, recovery, filtration, and re-recovery. Most of the equipment involved is used independently, the operation steps are cumbersome, and the work efficiency is affected. Moreover, since the filter screen and other filter components are usually fixedly connected to the filter box, it is not convenient to disassemble, clean, or replace them, which affects the cleanliness of the device and may affect the subsequent processes. Therefore, there is a need for an integrated filtration device that can integrate multiple steps, so as to quickly filter biological agents through multiple steps and improve work efficiency. To this end, this utility model proposes a filtration device for biological agents to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a filtration device for biological agents to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a filtration device for biological agents, comprising...
[0007] The filter box shell has a hollow interior with a sedimentation chamber. A water inlet pipe is fixedly connected to the upper end of one side of the sedimentation chamber. A filter bucket is installed inside the sedimentation chamber. An overflow port is opened at the upper end of the filter bucket and connects to the sedimentation chamber. A sewage pipe is connected to the lower end of the sedimentation chamber and connects to the outside. A water outlet pipe is connected to the lower end of the filter bucket. The water outlet pipe is bent at a 90-degree angle and passes through the side wall of the sedimentation chamber and connects to the outside. A connecting groove is opened at the upper end of the filter bucket, and a sealing cap is connected in the connecting groove.
[0008] A sealing cover is provided with a sealing structure on its edge, which fixes the sealing cover to the upper end of the filter barrel. A filter structure is provided at the lower end of the sealing cover. The lower end of the filter structure is inserted into the upper end of the filter barrel, and the position of the filter structure is lower than the horizontal height of the overflow port. An exhaust structure is provided in the middle of the filter structure, and the upper end of the exhaust structure is connected to the outside.
[0009] Preferably, the filter barrel is cylindrical with a connecting ring at the upper end. The lower end of the filter barrel is inserted into the upper end of the filter box housing. The connecting ring is fixedly connected to the connecting groove at the upper end of the filter box housing by fastening bolts. A sealing gasket, which is a rubber gasket, is provided at the connection between the connecting ring and the connecting groove.
[0010] Preferably, the sealing structure includes a sealing cover connecting groove opened inside the upper opening of the filter barrel, a sealing cover is inserted and connected in the sealing cover connecting groove, auxiliary handles are fixedly connected to both sides of the upper end of the sealing cover, and side plate handles corresponding to the buckles are hinged to both sides of the upper end of the filter barrel. The side plate handles are connected to the buckles to fasten the sealing cover, a sealing ring is embedded at the lower end of the sealing cover, and a sealing insert is provided protruding at the lower end of the sealing cover. The sealing insert is inserted into the upper interior of the filter barrel.
[0011] Preferably, the filter structure includes a fixing rod fixedly connected to the lower end of the sealing cover. The fixing rod is configured in two sets and fixedly installed on both sides of the top of the sealing cover. A first filter adsorption layer, a second filter adsorption layer, and a third filter adsorption layer are provided on the outer side of the fixing rod. The first filter adsorption layer, the second filter adsorption layer, and the third filter adsorption layer are arranged evenly from top to bottom. The first filter adsorption layer, the second filter adsorption layer, and the third filter adsorption layer are filter screens with a mesh size distributed from small to large. The first filter adsorption layer, the second filter adsorption layer, and the third filter adsorption layer are provided with connection holes corresponding to the fixing rod. The connection holes are provided with No. 2 sealing rings. The fixing rod passes through the connection holes and the No. 2 sealing rings inside them and is positioned by a limiting bolt. The limiting bolt is connected to the fixing rod from the lower end of the first filter adsorption layer, the second filter adsorption layer, and the third filter adsorption layer.
[0012] Preferably, a fixing hole is provided between the first filter adsorption layer, the second filter adsorption layer and the third filter adsorption layer, and a ventilation pipe is fixedly connected in the fixing hole. Several evenly distributed air blowing holes are provided on the outside of the ventilation pipe, and the air blowing holes are connected to the inside of the ventilation pipe. The upper end of the ventilation pipe passes through the sealing cover and is connected to the outside. An air filtration device is provided on the inner side of the end, and the air filtration device is a dust filter.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] The filter barrel and sealing cover proposed in this utility model are connected by a side panel handle. The sealing cover has a buckle, and the sealing cover structure can be fixedly connected to the filter barrel by the side panel handle fixedly installed on the top of the filter barrel. At the same time, the top of the filter barrel is equipped with a bolt structure and a sealing ring, and the top of the filter box shell has corresponding threaded holes. The bolts and threaded holes fit tightly, making the entire filtration device a whole. While ensuring the device is sealed, it can also be disassembled independently, making it easier to replace and clean. The sedimentation step is placed in the cavity formed between the filter box and the filter barrel to form a sedimentation chamber, which can complete the sedimentation and recovery work. The conical design at the bottom of the filter box completes the sedimentation step and facilitates cleaning. The liquid then flows back to the space of the filter barrel and filter components. Using three adsorption layers, the repeated filtration work is completed. The entire filtration process can be completed in one device, solving the problem of cumbersome filtration work. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is a schematic cross-sectional view of the structure of this utility model.
[0017] Figure 3 This is a schematic diagram of the filter barrel structure of this utility model.
[0018] Figure 4 This is a schematic diagram of the filter assembly structure of this utility model.
[0019] Figure 5 This is an enlarged structural schematic diagram of point A of this utility model.
[0020] Figure 6 This is an enlarged structural schematic diagram of section B of this utility model.
[0021] In the diagram: 1. Filter box shell, 2. Sealing cover, 3. Inlet pipe, 4. Outlet pipe, 5. Sewage pipe, 6. Air filtration device, 7. Auxiliary handle, 8. Filter bucket, 81. Overflow port, 82. Outlet, 83. No. 1 sealing ring, 84. Positioning pin, 9. Side panel handle, 10. Buckle, 11. Fixing rod, 12. Ventilation pipe, 13. First filter adsorption layer, 14. Second filter adsorption layer, 15. Third filter adsorption layer, 16. No. 2 sealing ring, 17. Threaded hole, 18. Limiting bolt, 19. Air blowing hole. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0023] Please see Figures 1 to 6 This utility model provides a technical solution: a filtration device for biological agents, comprising...
[0024] The filter box housing 1 has a hollow interior with a sedimentation chamber. An inlet pipe 3 is fixedly connected to the upper end of one side of the sedimentation chamber. A filter bucket 8 is installed inside the sedimentation chamber. An overflow port 81 is opened at the upper end of the filter bucket 8 to connect to the sedimentation chamber. It can settle biological reaction impurities, facilitate discharge, and avoid the phenomenon of accumulation. The lower end of the sedimentation chamber is connected to a sewage pipe 5, and the lower end of the sewage pipe 5 is connected to the outside. The lower end of the filter bucket 8 is connected to a water outlet pipe 4. The water outlet pipe 4 is bent at a ninety-degree angle and passes through the side wall of the sedimentation chamber to connect to the outside. A connecting groove is opened at the upper end of the filter bucket 8, and a sealing cover 2 is connected in the connecting groove.
[0025] The sealing cover 2 has a sealing structure on its edge. The sealing cover 2 is fixedly connected to the upper end of the filter barrel 8 through the sealing structure. After the sealing cover 2 and the filter barrel 8 are snapped together, the first sealing ring 83 is squeezed to achieve the sealing effect. The lower end of the sealing cover 2 is provided with a filter structure. The lower end of the filter structure is inserted into the upper end of the filter barrel 8. The position of the filter structure is lower than the horizontal height of the overflow port 81. An exhaust structure is provided in the middle of the filter structure. The upper end of the exhaust structure is connected to the outside.
[0026] The filter bucket 8 is cylindrical with a connecting ring at the top. The bottom of the filter bucket 8 is inserted into the upper part of the filter box housing 1. The connecting ring is fixedly connected to the connecting groove at the upper part of the filter box housing 1 by fastening bolts. A sealing gasket is provided at the connection between the connecting ring and the connecting groove. The sealing gasket is a rubber gasket. The top of the filter bucket 8 has a water outlet hole 82, which is connected to the water outlet pipe 4 at the bottom. A positioning pin 84 is fixedly installed on the top of the filter bucket 8.
[0027] The sealing structure includes a sealing cover connecting groove opened inside the upper opening of the filter barrel 8, a sealing cover 2 inserted and connected in the sealing cover connecting groove, auxiliary handles 7 fixedly connected to both sides of the upper end of the sealing cover 2, and a railing handle 9 corresponding to the buckle 10 hinged to both sides of the upper end of the filter barrel 8. The railing handle 9 is connected to the buckle 10 to fasten the sealing cover 2. A sealing ring 83 is embedded at the top of the sealing cover connecting groove of the filter barrel 8, and a sealing insert is provided at the lower end of the sealing cover 2. The sealing insert is inserted into the upper interior of the filter barrel 8.
[0028] The filter structure includes two sets of fixing rods 11 fixedly connected to the lower end of the sealing cover 2. The fixing rods 11 are fixedly installed on both sides of the top of the sealing cover 2. A first filter adsorption layer 13, a second filter adsorption layer 14, and a third filter adsorption layer 15 are provided on the outer side of each fixing rod 11. Each fixing rod 11 has a threaded hole 17 at the bottom of the second filter adsorption layer 14 and the third filter adsorption layer 15. The first filter adsorption layer 13, the second filter adsorption layer 14, and the third filter adsorption layer 15 are evenly arranged from top to bottom. These layers are filter screens with mesh sizes ranging from small to large. Layer 13, the second filter adsorption layer 14, and the third filter adsorption layer 15 are provided with connection holes corresponding to the fixing rod 11. The connection holes are provided with a second sealing ring 16. The fixing rod 11 passes through the connection hole and the second sealing ring 16 inside it, and is positioned by a limiting bolt 18. The limiting bolt 18 is connected to the fixing rod 11 from the lower end of the first filter adsorption layer 13, the second filter adsorption layer 14, and the third filter adsorption layer 15, and is tightly connected to the upper and lower sides of the first filter adsorption layer 13, the second filter adsorption layer 14, and the third filter adsorption layer 15 with the threaded hole 17. The filter layer is fixed by the threaded connection, and the adsorption layer device can also be disassembled for easy replacement and cleaning.
[0029] A fixing hole is provided between the first filter adsorption layer 13, the second filter adsorption layer 14 and the third filter adsorption layer 15. A ventilation pipe 12 is fixedly connected in the fixing hole. The ventilation pipe 12 will agitate the internal liquid to improve the filtration efficiency. Several evenly distributed air blowing holes 19 are provided on the outside of the ventilation pipe 12. The air blowing holes 19 are connected to the inside of the ventilation pipe 12. The upper end of the ventilation pipe 12 passes through the sealing cover 2 and is connected to the outside. An air filter device 6 is provided on the inner side of the end. The air filter device is a dust filter.
[0030] In practical use, the filter bucket 8 is fixedly connected to the top of the filter box housing 1 by bolts, and the filter bucket 8 and the filter box housing 1 provide a cavity, which serves as a sedimentation chamber. The sealing cover 2 is fixedly installed on the top of the filter bucket 8, and then the panel buckle structure is closed. The liquid enters the sedimentation chamber through the inlet pipe 3, and the sediment flows out from the drain pipe 5. The settled liquid enters the filter chamber through the overflow port 81, where it is filtered by the three-layer filter adsorption layer, and then discharged from the outlet pipe 4.
[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A filtration device for biological agents, characterized in that: include The filter box housing (1) is hollow inside and has a sedimentation chamber. A water inlet pipe (3) is fixedly connected to the upper end of one side of the sedimentation chamber. A filter bucket (8) is installed inside the sedimentation chamber. An overflow port (81) is opened at the upper end of the filter bucket (8) to connect to the sedimentation chamber. A sewage pipe (5) is connected to the lower end of the sedimentation chamber. The lower end of the sewage pipe (5) is connected to the outside. A water outlet pipe (4) is connected to the lower end of the filter bucket (8). The water outlet pipe (4) is bent at ninety degrees and passes through the side wall of the sedimentation chamber to connect to the outside. A connecting groove is opened at the upper end of the filter bucket (8). A sealing cover (2) is connected in the connecting groove. A sealing cover (2) is provided with a sealing structure on its edge. The sealing cover (2) is fixedly connected to the upper end of the filter bucket (8) through the sealing structure. A filter structure is provided at the lower end of the sealing cover (2). The lower end of the filter structure is inserted into the upper end of the filter bucket (8). The position of the filter structure is lower than the horizontal height of the overflow port (81). An exhaust structure is provided in the middle of the filter structure. The upper end of the exhaust structure is connected to the outside.
2. The filtration device for biological agents according to claim 1, characterized in that: The filter bucket (8) is cylindrical with a connecting ring at the top. The bottom of the filter bucket (8) is inserted into the upper part of the filter box housing (1). The connecting ring is fixedly connected to the connecting groove at the upper part of the filter box housing (1) by fastening bolts. A sealing gasket is provided at the connection between the connecting ring and the connecting groove. The sealing gasket is a rubber gasket. The top of the filter bucket (8) has a water outlet hole (82), which is connected to the water outlet pipe (4) at the bottom. A positioning pin (84) is fixedly installed on the top of the filter bucket (8).
3. The filtration device for biological agents according to claim 1, characterized in that: The sealing structure includes a sealing cover connecting groove opened inside the upper opening of the filter barrel (8), a sealing cover (2) is inserted and connected in the sealing cover connecting groove, auxiliary handles (7) are fixedly connected to the upper two sides of the sealing cover (2), and a railing handle (9) corresponding to the buckle (10) is hinged to the upper two sides of the filter barrel (8). The railing handle (9) is connected to the buckle (10) to fasten the sealing cover (2). A sealing ring (83) is embedded at the top of the sealing cover connecting groove opened in the filter barrel (8). A sealing plug is provided at the lower end of the sealing cover (2), and the sealing plug is inserted into the upper interior of the filter barrel (8).
4. The filtration device for biological agents according to claim 1, characterized in that: The filter structure includes a fixing rod (11) fixedly connected to the lower end of the sealing cover (2). The fixing rod (11) is configured in two sets and fixedly installed on both sides of the top of the sealing cover (2). A first filter adsorption layer (13), a second filter adsorption layer (14), and a third filter adsorption layer (15) are provided on the outside of the fixing rod (11). The fixing rod (11) has a threaded hole (17) at the bottom of the second filter adsorption layer (14) and the third filter adsorption layer (15). The first filter adsorption layer (13), the second filter adsorption layer (14), and the third filter adsorption layer (15) are arranged evenly from top to bottom. The first filter adsorption layer (13), the second filter adsorption layer (14), and the third filter adsorption layer (15) are the target The filter screens are arranged in ascending order of number. The first filter adsorption layer (13), the second filter adsorption layer (14), and the third filter adsorption layer (15) are provided with connection holes corresponding to the fixing rod (11). The connection holes are provided with a second sealing ring (16). The fixing rod (11) passes through the connection hole and the second sealing ring (16) inside it, and is positioned by a limiting bolt (18). The limiting bolt (18) is connected to the fixing rod (11) from the lower end of the first filter adsorption layer (13), the second filter adsorption layer (14), and the third filter adsorption layer (15), and is tightly connected to the upper and lower sides of the first filter adsorption layer (13), the second filter adsorption layer (14), and the third filter adsorption layer (15) with the threaded hole (17).
5. A filtration device for biological agents according to claim 4, characterized in that: A fixing hole is provided in the middle of the first filter adsorption layer (13), the second filter adsorption layer (14) and the third filter adsorption layer (15). A ventilation pipe (12) is fixedly connected in the fixing hole. Several evenly distributed air blowing holes (19) are provided on the outside of the ventilation pipe (12). The air blowing holes (19) are connected to the inside of the ventilation pipe (12). The upper end of the ventilation pipe (12) passes through the sealing cover (2) and is connected to the outside. An air filter device (6) is provided on the inner side of the end. The air filter device is a dust filter.