Laboratory sewage treatment device

Abstract

The utility model discloses a laboratory sewage treatment device, and particularly relates to the technical field of sewage treatment, the laboratory sewage treatment device comprises a water tank, the bottom of the water tank is fixedly connected with a sewer pipe and a fixed shell in a penetrating manner, the bottom end of the sewer pipe is fixedly connected to the top of the fixed shell in a penetrating manner, and a stirring mechanism for mixing is arranged in the fixed shell. A screen barrel is arranged in the fixed shell, fixed rotating shafts are fixedly connected to the two sides of the screen barrel, a water filtering bin and a waste groove are formed in the fixed shell and communicate with each other, and the ends, away from the screen barrel, of the fixed rotating shafts penetrate through and are rotationally connected to the inner wall of the water filtering bin. A first motor is fixedly connected to the end, away from the screening barrel, of the fixed rotating shaft on one side, a scraping plate is fixedly connected to the inner wall of the waste tank, and the top end of the scraping plate is slidably connected to the surface of the screening barrel. Therefore, the discharge efficiency of the treated sewage is reduced.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a laboratory sewage treatment device. Background Art

[0002] The generation of wastewater in chemical laboratories mainly comes from chemical experiments and scientific research experiments in universities. If the wastewater in the laboratory is not treated specially, it will cause serious pollution to the environment. The uncertainty, variability and complexity of the amount of experimental wastewater make the laboratory wastewater treatment more complicated.

[0003] General laboratory wastewater treatment equipment will flocculate harmful substances in wastewater through chemical reactions between chemical substances. However, when there are many precipitated harmful substances, it is very easy to clog the filter screen in general wastewater treatment, thereby reducing the discharge efficiency of treated wastewater. Utility Model Content

[0004] The purpose of the utility model is to provide a laboratory sewage treatment device to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solution: a laboratory sewage treatment device, comprising:

[0006] A water tank, the bottom of which is penetrated and fixedly connected with a downpipe;

[0007] A fixed shell, the bottom end of the sewer pipe passes through and is fixedly connected to the top of the fixed shell, a stirring mechanism for mixing is arranged inside the fixed shell, a sieve barrel is arranged inside the fixed shell, both sides of the sieve barrel are fixedly connected with fixed rotating shafts, a water filter bin and a waste trough are provided inside the fixed shell, the water filter bin and the waste trough are interconnected, one end of the fixed rotating shaft away from the sieve barrel passes through and is rotatably connected to the inner wall of the water filter bin, one end of the fixed rotating shaft away from the sieve barrel is fixedly connected to a motor 1, a scraper is fixedly connected to the inner wall of the waste trough, the top end of the scraper is slidably connected to the surface of the sieve barrel, and a water guide pipe is fixedly connected to one side of the fixed shell located at the water filter bin.

[0008] Preferably, the stirring mechanism includes a mixing barrel and a stirring motor, a fixed groove is provided inside the fixed shell, the fixed groove and the water filter bin are communicated, the surface of the mixing barrel is fixedly connected to the inner wall of the fixed groove, the transmission shaft end of the stirring motor is fixedly connected to a rotating shaft, the surface of the rotating shaft is fixedly connected to a stirring rod, the two ends of the rotating shaft respectively penetrate through and are rotatably connected to both sides of the mixing barrel, and a discharge port is provided at the bottom of the mixing barrel.

[0009] Preferably, a fixed rod is rotatably connected to the inner wall of the water filter bin, one end of the fixed rod is fixedly connected to motor 2, and a fixed baffle is fixedly connected to the surface of the fixed rod, and the top of the fixed baffle is movably fitted to the bottom of the mixing barrel.

[0010] Preferably, a sealing plate is fixedly connected to the top of the fixed baffle, and a side surface of the sealing plate is slidably connected to the inner wall of the feed opening.

[0011] Preferably, a pipe cover is movably inserted into the inner wall of the top end of the sewer pipe.

[0012] Preferably, the side of the stirring motor passes through and is fixedly connected to one side of the inner wall of the fixed groove, the sides of motor one and motor two are both fixedly connected to one side of the inner wall of the water filter bin, and the transmission shaft ends of the stirring motor, motor two and motor one respectively pass through and are rotatably connected to one side of the inner wall of the fixed groove and the water filter bin.

[0013] Preferably, a material injection pipe is fixedly connected through the top of the mixing barrel and the fixed shell.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] By providing a screen barrel and a scraper, the discharged chemical reagent wastewater can be reacted through the injection pipe and the mixing barrel, so that under the filtration of the screen barrel, the precipitated flocs can be filtered, and the flocs on the screen barrel can be scraped off with the scraper, so as to always ensure the filtration efficiency of the screen barrel and recover the flocs. 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 will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0020] Figure 4 This is a cross-sectional schematic diagram of the structure and operation of the screen barrel of the utility model;

[0021] Figure 5This is a cross-sectional diagram of the operation of the screen barrel structure of the utility model when it is rotated 120 degrees;

[0022] Figure 6 It is a schematic diagram of the structural cross-section of the fixed shell of the utility model.

[0023] Description of reference numerals:

[0024] 1. Water tank; 2. Fixed shell; 3. Injection pipe; 4. Water guide pipe; 5. Pipe cover; 6. Downpipe; 7. Mixing barrel; 8. Rotating shaft; 9. Stirring rod; 10. Screen barrel; 11. Scraper; 12. Waste trough; 13. Motor 1; 14. Sealing plate; 15. Fixed baffle; 16. Fixed rod; 17. Stirring motor; 18. Motor 2; 19. Fixed rotating shaft; 20. Fixed tank; 21. Filter bin. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model provides Figure 1-Figure 6 A laboratory sewage treatment device is shown, comprising:

[0027] A water tank 1, the bottom of which is penetrated and fixedly connected with a downpipe 6;

[0028] A fixed shell 2, the bottom end of the downpipe 6 passes through and is fixedly connected to the top of the fixed shell 2, a stirring mechanism for mixing is provided inside the fixed shell 2, a sieve barrel 10 is provided inside the fixed shell 2, both sides of the sieve barrel 10 are fixedly connected with a fixed rotating shaft 19, a water filter bin 21 and a waste trough 12 are provided inside the fixed shell 2, the water filter bin 21 and the waste trough 12 are interconnected, one end of the fixed rotating shaft 19 away from the sieve barrel 10 passes through and is rotatably connected to the inner wall of the water filter bin 21, one end of the fixed rotating shaft 19 away from the sieve barrel 10 is fixedly connected with a motor 13, a scraper 11 is fixedly connected to the inner wall of the waste trough 12, the top of the scraper 11 is slidably connected to the surface of the sieve barrel 10, a water guide pipe 4 is passed through and fixedly connected to one side of the fixed shell 2 located at the water filter bin 21, and the sediment attached to the surface of the sieve barrel 10 can be scraped off by the scraper 11, thereby ensuring the screening efficiency of the sieve barrel 10.

[0029] Furthermore, the stirring mechanism includes a mixing barrel 7 and a stirring motor 17. A fixed groove 20 is provided inside the fixed shell 2. The fixed groove 20 and the water filter bin 21 are interconnected. The surface of the mixing barrel 7 is fixedly connected to the inner wall of the fixed groove 20. The transmission shaft end of the stirring motor 17 is fixedly connected to a rotating shaft 8. A stirring rod 9 is fixedly connected to the surface of the rotating shaft 8. Both ends of the rotating shaft 8 are respectively connected to both sides of the mixing barrel 7 for rotation. A discharge port is provided at the bottom of the mixing barrel 7, so that the chemical solvent and chemical wastewater in the mixing barrel 7 can be fully mixed, thereby improving the sedimentation quality and efficiency of the chemical solvent in the mixing barrel 7.

[0030] Furthermore, a fixed rod 16 is rotatably connected to the inner wall of the water filter bin 21, one end of the fixed rod 16 is fixedly connected to a motor 2 18, and a fixed baffle 15 is fixedly connected to the surface of the fixed rod 16. The top of the fixed baffle 15 is movably fitted to the bottom of the mixing barrel 7, which can control the discharge operation of the treated sewage in the mixing barrel 7, thereby ensuring that the sewage is fully settled.

[0031] Furthermore, a sealing plate 14 is fixedly connected to the top of the fixed baffle 15 , and a side surface of the sealing plate 14 is slidably connected to the inner wall of the feed opening, thereby increasing the sealing performance of the mixing barrel 7 .

[0032] Furthermore, a pipe cover 5 is movably inserted into the inner wall of the top end of the downpipe 6 , which can seal the downpipe 6 .

[0033] Furthermore, the side of the stirring motor 17 passes through and is fixedly connected to one side of the inner wall of the fixed groove 20, and the sides of motor one 13 and motor two 18 are both fixedly connected to one side of the inner wall of the water filter bin 21. The transmission shaft ends of the stirring motor 17, motor two 18 and motor one 13 respectively pass through and are rotatably connected to one side of the inner wall of the fixed groove 20 and the water filter bin 21, thereby increasing the stability of the stirring motor 17, motor one 13 and motor two 18 during operation.

[0034] Furthermore, an injection pipe 3 is fixedly connected through the mixing barrel 7 and the top of the fixed shell 2, so as to facilitate the separate injection of chemical reagents required for flocculation.

[0035] Through the above technical solution:

[0036] When in use, first connect the water pipe 4 to the external pipeline, and then the sewage generated in the laboratory is discharged through the sink 1. At this time, the sewage flows into the mixing barrel 7 through the downpipe 6 at the bottom of the sink 1 for collection. When it is necessary to discharge the sewage in the mixing barrel 7, the chemical reagent required for flocculation is injected into the mixing barrel 7 through the injection pipe 3, and then the stirring motor 17 is started. The stirring motor 17 drives the stirring rod 9 to rotate through the rotating shaft 8, so as to mix and flocculate the reagents in the mixing barrel 7. When the sewage in the mixing barrel 7 is mixed and processed, the motor 18 and the motor 1 13 are started, and the motor 1 18 and the motor 1 13 are started. 8 drives the fixed baffle 15 to rotate through the fixed rod 16, so that the sewage in the mixing barrel 7 is discharged from the left side of the discharge port. At this time, the motor 13 drives the screen barrel 10 to rotate clockwise through the fixed rotating shaft 19, so that the sediment in the sewage will be filtered by the screen barrel 10, and as the screen barrel 10 rotates, the sediment on the surface of the screen barrel 10 will be brought into the waste trough 12, and then under the action of the scraper 11, it will be scraped and slide into the waste trough 12, so that the sediment will not cause clogging operation to the screen barrel 10, thereby ensuring the discharge efficiency of the treated sewage. The treated sewage will be discharged through the water pipe 4 after being filtered by the screen barrel 10.

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A laboratory sewage treatment device, characterized in that: include: A water tank (1), wherein a downpipe (6) is fixedly connected to the bottom of the water tank (1); The fixed housing (2) has a bottom end of the downpipe (6) passing through and fixedly connected to the top of the fixed housing (2); a stirring mechanism for mixing is provided inside the fixed housing (2); a sieve barrel (10) is provided inside the fixed housing (2); both sides of the sieve barrel (10) are fixedly connected to a fixed rotating shaft (19); a water filter bin (21) and a waste material trough (12) are provided inside the fixed housing (2); the water filter bin (21) and the waste material trough (12) are connected to each other. The end of the fixed rotating shaft (19) away from the sieve barrel (10) is rotatably connected to the inner wall of the water filter bin (21), and the end of the fixed rotating shaft (19) away from the sieve barrel (10) is fixedly connected to a motor 1 (13). The inner wall of the waste trough (12) is fixedly connected to a scraper (11), and the top end of the scraper (11) is slidably connected to the surface of the sieve barrel (10). The fixed housing (2) is located on one side of the water filter bin (21) and is fixedly connected to a water guide pipe (4).

2. A laboratory sewage treatment device according to claim 1, characterized in that: The stirring mechanism comprises a mixing barrel (7) and a stirring motor (17); a fixing groove (20) is provided inside the fixed shell (2); the fixing groove (20) and the water filter bin (21) are connected to each other; the surface of the mixing barrel (7) is fixedly connected to the inner wall of the fixing groove (20); the transmission shaft end of the stirring motor (17) is fixedly connected to a rotating shaft (8); the surface of the rotating shaft (8) is fixedly connected to a stirring rod (9); the two ends of the rotating shaft (8) respectively penetrate through and are rotatably connected to two sides of the mixing barrel (7); and a feeding port is provided at the bottom of the mixing barrel (7).

3. A laboratory sewage treatment device according to claim 2, characterized in that: A fixed rod (16) is rotatably connected to the inner wall of the water filter bin (21), one end of the fixed rod (16) is fixedly connected to a second motor (18), and a fixed baffle (15) is fixedly connected to the surface of the fixed rod (16), and the top of the fixed baffle (15) is movably fitted to the bottom of the mixing barrel (7).

4. A laboratory sewage treatment device according to claim 3, characterized in that: The top of the fixed baffle (15) is fixedly connected to a sealing plate (14), and the side of the sealing plate (14) is slidably connected to the inner wall of the feed opening.

5. A laboratory sewage treatment device according to claim 1, characterized in that: A pipe cover (5) is movably inserted into the inner wall of the top end of the downpipe (6).

6. A laboratory sewage treatment device according to claim 2, characterized in that: The side surface of the stirring motor (17) passes through and is fixedly connected to one side of the inner wall of the fixing groove (20), the side surfaces of the motor 1 (13) and the motor 2 (18) are both fixedly connected to one side of the inner wall of the water filter bin (21), and the transmission shaft ends of the stirring motor (17), the motor 2 (18) and the motor 1 (13) respectively pass through and are rotatably connected to one side of the inner wall of the fixing groove (20) and the water filter bin (21).

7. A laboratory sewage treatment device according to claim 2, characterized in that: The mixing barrel (7) and the top of the fixed shell (2) are penetrated and fixedly connected with an injection pipe (3).

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