Sewage treatment filtering device for biological laboratory

Abstract

The utility model provides a sewage treatment filtering device for a biological laboratory, which comprises an outer shell, a controller is fixedly mounted on the outer side of the outer shell, a filter cartridge is fixedly mounted in the outer shell, a first water inlet pipe is embedded on the inner wall of the outer shell, two second water inlet pipes are embedded on the inner side of the outer shell, and the two second water inlet pipes are fixedly mounted on the outer side of the outer shell. The two second water inlet pipes are symmetrically arranged, the ends, close to each other, of the two second water inlet pipes communicate with the interior of the filter cartridge, a forward and reverse rotation motor is fixedly installed on the top of the inner wall of the outer shell, and a threaded rod is fixedly installed at the bottom end of an output shaft of the forward and reverse rotation motor; through the arrangement of the positive and negative rotation motor, the threaded rod, the square rod, the filter cartridge, the threaded hole, the lifting plate, the flow guide plate, the circular water storage pipe and the high-pressure spray head, impurities attached to the inner wall of the filter cartridge and the upper surface of the flow guide plate can be conveniently cleaned, and the influence of blockage of the filter cartridge on the filtering effect is effectively avoided.

Description

Technical Field

[0001] The utility model relates to a filtering device, in particular to a sewage treatment filtering device for a biological laboratory, and belongs to the technical field of sewage treatment. Background Art

[0002] A biological laboratory is a facility used for biological research and experiments, usually equipped with specialized equipment, instruments and materials to support various biology-related work, including research in molecular biology, cell biology, microbiology, genetics, ecology and other biological sciences. Laboratory wastewater may contain harmful chemicals, biohazardous substances and radioactive substances. Before treating laboratory wastewater, it is necessary to filter out impurities contained in the wastewater to facilitate subsequent special treatment of the wastewater.

[0003] A Chinese patent publication (publication number: CN207253855U) discloses a sewage treatment filter device, including a box body, a water inlet is connected to the lower left part of the box body, a water outlet is connected to the upper right part of the box body, a driving motor is arranged at the middle position of the upper end of the box body, the central rotating shaft of the driving motor runs through the box body and is connected to a stirring paddle, a filter cover is arranged outside the stirring paddle, the water inlet is connected to the filter cover through a connecting pipe, a first discharge port is arranged at the lower end of the filter cover, a second discharge port is arranged at the middle position of the bottom end of the box body, and the first discharge port is communicated with the second discharge port. The utility model has the following beneficial effects: the utility model is provided with a driving motor, the central rotating shaft of the driving motor runs through the box body and is connected to a stirring paddle, a filter cover is arranged outside the stirring paddle, and the filter cover is respectively provided with a first filter layer, a second filter layer and a third filter layer from the inside to the outside, which can realize multi-stage filtration, filtering from the inside to the outside, and improving sewage filtration;

[0004] The filter device realizes multi-stage filtration of sewage by setting up multiple filter layers, but it is not convenient to clean the impurities attached to the inner wall of the filter cover, which may easily cause the filter cover to be blocked for a long time and reduce the filtration efficiency. Therefore, a sewage treatment filter device for a biological laboratory is proposed. Utility Model Content

[0005] In view of this, the utility model provides a sewage treatment and filtering device for a biological laboratory to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a sewage treatment and filtering device for a biological laboratory comprises an outer shell, a controller is fixedly installed on the outer side of the outer shell, a filter cartridge is fixedly installed inside the outer shell, a water inlet pipe 1 is embedded on the inner wall of the outer shell, two water inlet pipes 2 are embedded on the inner side of the outer shell, the two water inlet pipes 2 are symmetrically arranged, and the ends of the two water inlet pipes 2 that are close to each other are both connected to the inside of the filter cartridge, a forward and reverse motor is fixedly installed on the top of the inner wall of the outer shell, and a threaded A rod, a square rod is installed at the bottom end of the threaded rod through a bearing, and the bottom end of the square rod is fixedly installed on the bottom of the inner wall of the filter cartridge, and a lifting plate is provided on the outer thread sleeve of the threaded rod, and the outer side of the lifting plate is in movably contact with the inner wall of the filter cartridge, and a plurality of connecting rods are fixedly installed on the lower surface of the lifting plate, and a guide plate is fixedly installed at the bottom ends of the plurality of connecting rods, and the guide plate is arranged to be inclined downward, and the outer side of the guide plate is in movably contact with the inner wall of the filter cartridge, and a drain pipe is embedded in the bottom of the outer shell, and one end of the drain pipe is connected to the interior of the outer shell.

[0007] Further preferably, one end of the water inlet pipe is connected to the interior of the outer shell, a circular water storage pipe is fixedly installed on the inner wall of the outer shell, a plurality of high-pressure nozzles are fixedly installed on the lower surface of the circular water storage pipe, the plurality of high-pressure nozzles are arranged to be inclined inwardly, and one end of the water inlet pipe is connected to the interior of the circular water storage pipe.

[0008] Further preferably, two through holes 2 are provided on the inner wall of the outer shell, and the inner walls of the two through holes 2 are fixedly connected to the outer side of the water inlet pipe 2; two through holes 3 are provided on the inner wall of the filter cartridge, and the inner walls of the two through holes 3 are fixedly connected to the outer side of the water inlet pipe 2; a through hole 1 is provided on the inner wall of the outer shell, and the inner wall of the through hole 1 is fixedly connected to the outer side of the water inlet pipe 1; a through hole 5 is provided on the inner wall of the circular water storage pipe, and the inner wall of the through hole 5 is fixedly connected to the outer side of the water inlet pipe 1.

[0009] Further preferably, a square hole is opened on the upper surface of the guide plate, and the inner wall of the square hole is in movably contact with the outer side of the square rod.

[0010] Further preferably, a threaded hole is formed on the upper surface of the lifting plate, and the threaded hole is threadedly connected to the threaded rod.

[0011] Further preferably, a through hole four is opened on the lower surface of the outer shell, and the inner wall of the through hole four is fixedly connected to the outer side of the drain pipe.

[0012] Further preferably, the electrical output terminal of the controller is electrically connected to the electrical input terminal of the forward and reverse motor.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] The utility model is provided with forward and reverse motors, threaded rods, square rods, filter cartridges, threaded holes, lifting plates, guide plates, circular water storage pipes and high-pressure nozzles. When it is needed to clean the impurities on the inner wall of the filter cartridge and the upper surface of the guide plate, the forward and reverse motors are started so that the forward and reverse motors drive the threaded rods to rotate forwardly, so that the lifting plate moves upward, and the lifting plate drives the guide plate upward through the plurality of connecting rods. While the guide plate moves upward, the impurities attached to the inner wall of the filter cartridge are scraped off, and the fallen impurities are accumulated on the upper surface of the guide plate. After the forward and reverse motors are started for a certain period of time, the guide plate is completely moved out of the interior of the filter cartridge. At this time, water is added to the interior of the circular water storage pipe through the water inlet pipe, and the impurities on the upper surface of the guide plate are washed away under the action of the plurality of high-pressure nozzles. The washed impurities and water flow to the interior of the outer shell and are discharged from the interior of the outer shell under the action of the drain pipe, so that it is convenient to clean the impurities attached to the inner wall of the filter cartridge and the upper surface of the guide plate, and the influence of the filter effect caused by the clogging of the filter cartridge is effectively avoided.

[0015] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is the main axonometric structural diagram of the utility model;

[0018] Figure 2 It is a side view, sectional, axonometric structural diagram of the utility model;

[0019] Figure 3 This is a main axonometric structural diagram of the guide plate of the utility model;

[0020] Figure 4 This is a main axonometric structural diagram of a circular water storage pipe of the utility model.

[0021] Figure numerals: 1. outer shell; 2. controller; 3. water inlet pipe one; 4. water inlet pipe two; 5. through hole one; 6. through hole two; 7. through hole three; 8. filter cartridge; 9. forward and reverse motor; 10. threaded rod; 11. lifting plate; 12. threaded hole; 13. square rod; 14. guide plate; 15. connecting rod; 16. drain pipe; 17. through hole four; 18. square hole; 19. circular water storage pipe; 20. through hole five; 21. high-pressure nozzle. DETAILED DESCRIPTION

[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0023] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0024] like Figure 1-4 As shown, the embodiment of the utility model provides a sewage treatment and filtering device for a biological laboratory, including an outer shell 1, a controller 2 is fixedly installed on the outer side of the outer shell 1, a filter cartridge 8 is fixedly installed inside the outer shell 1, a water inlet pipe 1 3 is embedded on the inner wall of the outer shell 1, two water inlet pipes 2 4 are embedded on the inner side of the outer shell 1, the two water inlet pipes 2 4 are symmetrically arranged, and the ends of the two water inlet pipes 2 4 close to each other are both connected to the inside of the filter cartridge 8, a forward and reverse motor 9 is fixedly installed on the top of the inner wall of the outer shell 1, and a threaded rod 10 is fixedly installed at the bottom end of the output shaft of the forward and reverse motor 9, and the threaded rod 10 is fixedly installed on the bottom end of the output shaft of the forward and reverse motor 9. A square rod 13 is installed at the bottom end of the rod 10 through a bearing, and the bottom end of the square rod 13 is fixedly installed on the bottom of the inner wall of the filter cartridge 8. A lifting plate 11 is provided on the outer threaded sleeve of the threaded rod 10. The outer side of the lifting plate 11 is in active contact with the inner wall of the filter cartridge 8. A plurality of connecting rods 15 are fixedly installed on the lower surface of the lifting plate 11. A guide plate 14 is fixedly installed at the bottom end of the plurality of connecting rods 15. The guide plate 14 is arranged to be tilted downward, and the outer side of the guide plate 14 is in active contact with the inner wall of the filter cartridge 8. A drain pipe 16 is embedded at the bottom of the outer shell 1, and one end of the drain pipe 16 is connected to the interior of the outer shell 1.

[0025] In one embodiment, one end of the water inlet pipe 3 is connected to the interior of the outer shell 1, a circular water storage pipe 19 is fixedly installed on the inner wall of the outer shell 1, and a plurality of high-pressure nozzles 21 are fixedly installed on the lower surface of the circular water storage pipe 19. The plurality of high-pressure nozzles 21 are arranged to be inclined inward, and one end of the water inlet pipe 3 is connected to the interior of the circular water storage pipe 19. The plurality of high-pressure nozzles 21 are arranged to facilitate cleaning of impurities on the upper surface of the guide plate 14.

[0026] In one embodiment, two through holes 26 are provided on the inner wall of the outer shell 1, and the inner walls of the two through holes 26 are fixedly connected to the outer side of the water inlet pipe 24, so that the water inlet pipe 24 can be fixedly installed. Two through holes 3 7 are provided on the inner wall of the filter cartridge 8, and the inner walls of the two through holes 37 are fixedly connected to the outer side of the water inlet pipe 24. Through the through holes 26 and 3 7, the water inlet pipe 24 can be fixedly installed. A through hole 1 5 is provided on the inner wall of the outer shell 1, and the inner wall of the through hole 1 5 is fixedly connected to the outer side of the water inlet pipe 3. A through hole 5 20 is provided on the inner wall of the circular water storage pipe 19, and the inner wall of the through hole 5 20 is fixedly connected to the outer side of the water inlet pipe 3. Through the through holes 5 20 and 5, the water inlet pipe 3 can be fixedly installed.

[0027] In one embodiment, a square hole 18 is formed on the upper surface of the guide plate 14 , and the inner wall of the square hole 18 is in movable contact with the outer side of the square rod 13 , so that the guide plate 14 slides on the outer side of the square rod 13 through the square hole 18 .

[0028] In one embodiment, a threaded hole 12 is formed on the upper surface of the lifting plate 11 , and the threaded hole 12 is threadedly connected to the threaded rod 10 . The lifting plate 11 is moved outside the threaded rod 10 through the threaded hole 12 .

[0029] In one embodiment, a through hole 4 17 is opened on the lower surface of the outer shell 1, and the inner wall of the through hole 4 17 is fixedly connected to the outer side of the drain pipe 16. The through hole 4 17 makes it easy to fix and install the drain pipe 16.

[0030] In one embodiment, the electrical output terminal of the controller 2 is electrically connected to the electrical input terminal of the forward and reverse motor 9 , so as to facilitate the control of the forward and reverse rotation of the forward and reverse motor 9 .

[0031] When the utility model is working, the sewage to be filtered is introduced into the interior of the filter cartridge 8 through the two water inlet pipes 4, and the sewage is made to flow downward under the action of the guide plate 14, and the sewage is filtered under the action of the filter cartridge 8, and the filtered sewage flows into the interior of the outer shell 1, and is discharged from the interior of the outer shell 1 under the action of the drain pipe 16, thereby completing the filtration of the sewage;

[0032] After the sewage is filtered, impurities are attached to the inner wall of the filter cartridge 8 and the upper surface of the guide plate 14. When it is necessary to clean the impurities on the inner wall of the filter cartridge 8 and the upper surface of the guide plate 14, the forward and reverse motor 9 is started to drive the threaded rod 10 to rotate forward, and the threaded hole 12 is threadedly connected with the threaded rod 10. When the threaded rod 10 rotates, the lifting plate 11 is driven to move upward. The lifting plate 11 drives the guide plate 14 to move upward along the square rod 13 under the action of the square hole 18 through a plurality of connecting rods 15. The guide plate 1 4 moves upwards while scraping off the impurities attached to the inner wall of the filter cartridge 8, and the fallen impurities are accumulated on the upper surface of the guide plate 14. After the forward and reverse motors 9 are started for a certain period of time, the guide plate 14 is completely moved out of the interior of the filter cartridge 8. At this time, water is added to the interior of the circular water storage pipe 19 through the water inlet pipe 13, and the impurities on the upper surface of the guide plate 14 are washed under the action of multiple high-pressure nozzles 21. The washed impurities and water flow to the interior of the outer shell 1 and are discharged from the interior of the outer shell 1 under the action of the drain pipe 16;

[0033] After cleaning, start the forward and reverse motor 9, so that the forward and reverse motor 9 drives the threaded rod 10 to rotate in the opposite direction, so that the lifting plate 11 drives multiple connecting rods 15 and the guide plate 14 to move downward, and the guide plate 14 moves downward under the action of the square hole 18, while guiding the movement of the lifting plate 11. After the forward and reverse motor 9 rotates for a certain period of time, the guide plate 14 is located inside the filter cartridge 8.

[0034] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A sewage treatment and filtering device for a biological laboratory, characterized in that: The invention comprises an outer shell (1), a controller (2) is fixedly mounted on the outer side of the outer shell (1), a filter cartridge (8) is fixedly mounted inside the outer shell (1), a water inlet pipe (3) is embedded on the inner wall of the outer shell (1), two water inlet pipes (4) are embedded on the inner side of the outer shell (1), the two water inlet pipes (4) are symmetrically arranged, and the ends of the two water inlet pipes (4) close to each other are both connected to the inside of the filter cartridge (8), a forward and reverse motor (9) is fixedly mounted on the top of the inner wall of the outer shell (1), a threaded rod (10) is fixedly mounted on the bottom end of the output shaft of the forward and reverse motor (9), and a square rod (13) is mounted on the bottom end of the threaded rod (10) through a bearing. The bottom end of the square rod (13) is fixedly mounted on the bottom of the inner wall of the filter cartridge (8); a lifting plate (11) is threadedly sleeved on the outer side of the threaded rod (10); the outer side of the lifting plate (11) is in movable contact with the inner wall of the filter cartridge (8); a plurality of connecting rods (15) are fixedly mounted on the lower surface of the lifting plate (11); a guide plate (14) is fixedly mounted on the bottom ends of the plurality of connecting rods (15); the guide plate (14) is tilted downward; the outer side of the guide plate (14) is in movable contact with the inner wall of the filter cartridge (8); a drain pipe (16) is embedded in the bottom of the outer shell (1); one end of the drain pipe (16) is connected to the interior of the outer shell (1).

2. A sewage treatment and filtering device for a biological laboratory according to claim 1, characterized in that: One end of the water inlet pipe (3) is connected to the interior of the outer shell (1); a circular water storage pipe (19) is fixedly mounted on the inner wall of the outer shell (1); a plurality of high-pressure nozzles (21) are fixedly mounted on the lower surface of the circular water storage pipe (19); the plurality of high-pressure nozzles (21) are arranged in an inwardly inclined manner; and one end of the water inlet pipe (3) is connected to the interior of the circular water storage pipe (19).

3. A sewage treatment and filtering device for biological laboratories according to claim 2, characterized in that: The inner wall of the outer shell (1) is provided with two through holes (2) (6), the inner walls of the two through holes (2) (6) are fixedly connected to the outer side of the water inlet pipe (2) (4); the inner wall of the filter cartridge (8) is provided with two through holes (3) (7), the inner walls of the two through holes (3) are fixedly connected to the outer side of the water inlet pipe (2) (4); the inner wall of the outer shell (1) is provided with a through hole (1) (5), the inner wall of the through hole (1) (5) is fixedly connected to the outer side of the water inlet pipe (3); the inner wall of the circular water storage pipe (19) is provided with a through hole (20), the inner wall of the through hole (20) is fixedly connected to the outer side of the water inlet pipe (3) (3).

4. The sewage treatment and filtering device for biological laboratories according to claim 1 is characterized in that: A square hole (18) is provided on the upper surface of the guide plate (14), and the inner wall of the square hole (18) is in movable contact with the outer side of the square rod (13).

5. The sewage treatment and filtering device for biological laboratories according to claim 1 is characterized in that: A threaded hole (12) is provided on the upper surface of the lifting plate (11), and the threaded hole (12) is threadedly connected to the threaded rod (10).

6. The sewage treatment and filtering device for biological laboratories according to claim 1 is characterized in that: A through hole four (17) is provided on the lower surface of the outer shell (1), and the inner wall of the through hole four (17) is fixedly connected to the outer side of the drainage pipe (16).

7. A sewage treatment and filtering device for biological laboratories according to claim 6, characterized in that: The electrical output end of the controller (2) is electrically connected to the electrical input end of the forward and reverse motor (9).

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