Wastewater pretreatment device

Abstract

The utility model relates to the technical field of wastewater pretreatment, in particular to a wastewater pretreatment device which comprises a pretreatment box, a filter screen is mounted on the inner wall of the pretreatment box, a moving assembly is arranged above the pretreatment box, and two waterproof electric cylinders are arranged at the bottom of the moving assembly. The output ends of the two waterproof electric cylinders are connected with the two ends of the top of the mounting plate correspondingly, a brush plate is detachably mounted at the bottom of the mounting plate, two frames are arranged on the lower portion in the filter screen, electromagnetic plates are arranged in the frames, and the middle of one end of each frame is connected with the output end of a multi-stage electric push rod. And the multi-stage electric push rod is fixedly mounted at one end of the pretreatment box. After the brush plate is abraded, the waterproof electric cylinder can be started to drive the brush plate to descend to be in continuous contact with the filter screen, so that the service life of the brush plate is prolonged, and after the brush plate cannot be used, due to the fact that the mounting plate and the brush plate are detachably mounted, a worker can conveniently replace the brush plate.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater pretreatment, in particular to a wastewater pretreatment device. Background Art

[0002] Pharmaceutical industrial wastewater refers to wastewater discharged from factories producing antibiotics, antimicrobials, antisera, and other organic and inorganic pharmaceuticals. While the volume and quality of this wastewater vary depending on the type of drug produced, the wastewater discharged from processes such as distillation and bottle washing is essentially the same. In addition to animal-derived wastewater (primarily composed of animal organs) and plant-derived wastewater (primarily composed of herbal remedies), wastewater from the production of antibiotics and antisera typically contains toxic substances such as fluorine, cyanide, phenol, cresol, and mercury compounds, as well as significant amounts of BOD, COD, and colloidal substances. Wastewater treatment primarily relies on precipitation and biochemical treatment. With the continuous advancement of science and technology and the increasing awareness of the environment, the treatment of medical wastewater is becoming increasingly necessary.

[0003] Chinese Utility Model Announcement No.: CN218339097U relates to a pharmaceutical wastewater pretreatment device, which solves the problem in the prior art that when treating medical wastewater, impurities in the wastewater are not removed, which leads to the impurities in the wastewater greatly reducing the rate of wastewater treatment during subsequent wastewater treatment, and also causes pipe blockage when water needs to be transported during wastewater treatment. A pharmaceutical wastewater pretreatment device includes a box body, a filter plate is fixedly connected to the inner side of the box body, and slots are provided on both sides of the box body close to the filter plate. The method proposed in the utility model first filters the impurities through the filter plate, and then cleans the impurities on the filter plate into the supporting frame through a cleaning rod that moves back and forth, avoiding the traditional method of not removing impurities in the wastewater, that is, pre-treating the medical wastewater, which leads to the impurities in the wastewater greatly reducing the rate of wastewater treatment during subsequent wastewater treatment.

[0004] The applicant found that this patent had some shortcomings during use: the cleaning rod and scraper needed to be replaced after long-term use due to wear and tear, but the supporting plate in this patent slid in the sliding groove through the sliding block, which was inconvenient to disassemble and assemble, and the metal impurities were adsorbed by the magnetic rod, but after adsorption, it was inconvenient to clean the metal impurities.

[0005] Therefore, the present invention designs a wastewater pretreatment device to solve the problems existing in the prior art. Utility Model Content

[0006] The purpose of the present invention is to provide a wastewater pretreatment device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A wastewater pretreatment device, comprising: a pretreatment box, a filter screen is installed on the inner wall of the pretreatment box, a moving assembly is provided above the pretreatment box, two waterproof electric cylinders are provided at the bottom of the moving assembly, the output ends of the two waterproof electric cylinders are respectively connected to the two ends of the top of the mounting plate, a brush plate is detachably installed at the bottom of the mounting plate, two frames are provided below the filter screen, an electromagnetic plate is provided in the frame, a partition is fixedly installed at the bottom of the frame, the middle of one end of the frame is connected to the output end of a multi-stage electric push rod, the multi-stage electric push rod is fixedly installed at one end of the pretreatment box, a pyramidal water tank is provided in the middle of the top of the pretreatment box, and a plurality of through holes are opened at the bottom of the pyramidal water tank.

[0008] Preferably, the mounting plate and the brush plate are detachably mounted by means of hexagonal bolts, and the mounting plate and the brush plate can be assembled and disassembled by screwing the hexagonal bolts.

[0009] Preferably, the bottom of the mounting plate and the top of the brush plate are respectively provided with a sub-velcro and a mother Velcro, the sub-velcro and the mother Velcro match each other, and the mounting plate and the brush plate can be disassembled and assembled by tearing them off with force.

[0010] Preferably, the moving component includes two reciprocating screws, which are rotatably installed at the two ends between the two sides above the pretreatment box. The reciprocating screws are higher than the through holes. The outer walls of the reciprocating screws are installed with wire blocks through threaded sliding. The bottoms of the two wire blocks are fixedly installed on the tops of two waterproof electric cylinders respectively. When the reciprocating screws rotate, the two wire blocks can be moved left and right to drive the brush plate to move left and right.

[0011] Preferably, a transmission wheel is installed on one side of the reciprocating screw rod, and the two transmission wheels are driven by a transmission belt. The other side of one reciprocating screw rod is connected to the output end of the drive motor. Through the transmission wheel and the transmission belt, only one drive motor is needed to make the two reciprocating screw rods rotate synchronously, saving the use of one drive motor.

[0012] Preferably, both sides of the pretreatment box are provided with a discharge chute, and an inclined plate flush with the filter screen is installed in the discharge chute, so that impurities can easily leave the pretreatment box through the discharge chute and the inclined plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. When the brush plate of the utility model is worn, the waterproof electric cylinder can be activated to drive the brush plate down to continue to contact the filter screen, thereby increasing the service life of the brush plate. When the brush plate cannot be used, the mounting plate and the brush plate can be detachably installed, making it convenient for the staff to replace the brush plate;

[0015] 2. The utility model uses an electromagnetic plate and a multi-stage electric push rod to drive the frame to move. The upper and lower electromagnetic plates respectively adsorb small metal debris floating on the surface of the wastewater and larger metal debris sinking to the bottom. The electromagnetic plate is installed in the frame through a partition, which has a waterproof effect on the electromagnetic plate. When the metal debris needs to be cleaned, it is only necessary to drain the wastewater and cut off the power to the electromagnetic plate. The metal debris will automatically fall off, making it convenient for the staff to clean it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main view of the utility model;

[0017] Figure 2 This is a bottom view schematic diagram of the present utility model;

[0018] Figure 3 It is a rear view schematic diagram of the utility model;

[0019] Figure 4 This is a schematic diagram of the frame structure of the utility model.

[0020] In the figure: 1. Pretreatment box; 2. Filter; 3. Moving assembly; 4. Waterproof electric cylinder; 5. Mounting plate; 6. Brush plate; 7. Hexagonal bolt; 8. Frame; 9. Electromagnetic plate; 10. Partition; 11. Multi-stage electric push rod; 12. Pyramid water tank; 13. Through hole; 14. Discharge chute; 15. Inclined plate; 301. Reciprocating screw; 302. Screw block; 303. Drive wheel; 304. Drive belt; 305. Drive motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4The utility model provides an embodiment of a wastewater pretreatment device, comprising: a pretreatment box 1, a filter screen 2 is installed on the inner wall of the pretreatment box 1, a moving component 3 is provided above the pretreatment box 1, and two waterproof electric cylinders 4 are provided at the bottom of the moving component 3, and the output ends of the two waterproof electric cylinders 4 are respectively connected to the two ends of the top of the mounting plate 5, and a brush plate 6 is detachably installed at the bottom of the mounting plate 5. Two frames 8 are provided below the filter screen 2, and an electromagnetic plate 9 is provided in the frame 8. A partition 10 is fixedly installed at the bottom of the frame 8, and the middle of one end of the frame 8 is connected to the output end of the multi-stage electric push rod 11, and the multi-stage electric push rod 11 is fixedly installed at one end of the pretreatment box 1, and a pyramid-shaped water tank 12 is provided in the middle of the top of the pretreatment box 1. A plurality of through holes 13 are opened at the bottom of the pyramid-shaped water tank 12, and a drain pipe is provided at the bottom of one side of the pretreatment box 1, and a valve is provided on the drain pipe to control the discharge of wastewater from the pretreatment box 1.

[0023] See also Figure 1-3 In this embodiment, the mounting plate 5 and the brush plate 6 are detachably mounted via hexagonal bolts 7 .

[0024] See also Figure 1-3 In this embodiment: the bottom of the mounting plate 5 and the top of the brush plate 6 are respectively provided with a sub-velcro and a mother Velcro.

[0025] See also Figure 1-3 In this embodiment: the moving component 3 includes two reciprocating screw rods 301, which are rotatably installed at the two ends between the two sides above the pretreatment box 1. The reciprocating screw rods 301 are higher than the through hole 13. The outer wall of the reciprocating screw rod 301 is slidably installed with a screw block 302 through a thread, and the bottoms of the two screw blocks 302 are fixedly installed on the tops of the two waterproof electric cylinders 4 respectively.

[0026] See also Figure 1-3 In this embodiment, a transmission wheel 303 is installed on one side of the reciprocating screw rod 301, and the two transmission wheels 303 are driven by a transmission belt 304. The other side of a reciprocating screw rod 301 is connected to the output end of the drive motor 305.

[0027] See also Figure 1-3 In this embodiment, a feed chute 14 is provided on both sides of the pretreatment box 1 , and an inclined plate 15 flush with the filter screen 2 is installed in the feed chute 14 .

[0028] Working principle: wastewater enters the pyramid-shaped water tank 12 and flows to the filter 2 through the through hole 13. The filter 2 filters the impurities in the wastewater, and then the wastewater gathers at the bottom of the pretreatment box 1. When the height of the wastewater is slightly lower than the upper frame 8, the multi-stage electric push rod 11 is started to move the frame 8. During the movement of the two frames 8, the electromagnetic plate 9 in the upper frame 8 will adsorb the fine metal impurities floating on the surface of the wastewater to the bottom of the partition 10, while the electromagnetic plate 9 in the lower frame 8 will adsorb the larger metal impurities that fall to the bottom inner wall of the pretreatment box 1 to the bottom of the partition 10. The wastewater after adsorbing the metal impurities can be discharged for the next step of treatment. After the wastewater is discharged, you only need to turn off the power to the electromagnetic plate 9, and the metal impurities will automatically fall off, which is convenient for metal removal. It is an impurity collection. After impurities accumulate on the top of the filter screen 2, the drive motor 305 is started, and the two reciprocating screws 301 are rotated synchronously through the transmission of the transmission wheel 303 and the transmission belt 304, so that the wire block 302 can drive the waterproof electric cylinder 4 to move horizontally left and right, and the brush plate 6 to move horizontally left and right, to clean the impurities on the top of the filter screen 2. The impurities can be discharged through the discharge chute 14 and the inclined plate 15. When the bottom of the brush plate 6 is worn, the waterproof electric cylinder 4 can drive the mounting plate 5 to descend, so that the brush plate 6 contacts the filter screen 2 again, thereby increasing the service life of the brush plate 6. When the brush plate 6 cannot be used, since the mounting plate 5 and the brush plate 6 are detachable, it is convenient to replace the brush plate 6. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wastewater pretreatment device comprising: A pretreatment box (1) is characterized in that: a filter (2) is installed on the inner wall of the pretreatment box (1), a moving component (3) is provided above the pretreatment box (1), two waterproof electric cylinders (4) are provided at the bottom of the moving component (3), the output ends of the two waterproof electric cylinders (4) are respectively connected to the two ends of the top of the mounting plate (5), a brush plate (6) is detachably installed at the bottom of the mounting plate (5), two frames (8) are provided below the filter (2), an electromagnetic plate (9) is provided in the frame (8), a partition (10) is fixedly installed at the bottom of the frame (8), the middle of one end of the frame (8) is connected to the output end of a multi-stage electric push rod (11), the multi-stage electric push rod (11) is fixedly installed at one end of the pretreatment box (1), a pyramidal water tank (12) is provided at the middle of the top of the pretreatment box (1), and a plurality of through holes (13) are opened at the bottom of the pyramidal water tank (12).

2. A wastewater pretreatment device according to claim 1, characterized in that: The mounting plate (5) and the brush plate (6) are detachably mounted via hexagonal bolts (7).

3. A wastewater pretreatment device according to claim 1, characterized in that: The bottom of the mounting plate (5) and the top of the brush plate (6) are respectively provided with a sub-velcro and a main-velcro.

4. A wastewater pretreatment device according to claim 1, characterized in that: The moving assembly (3) includes two reciprocating screw rods (301), which are rotatably mounted at the two ends between the two sides above the pretreatment box (1), and the reciprocating screw rods (301) are higher than the through hole (13). The outer wall of the reciprocating screw rod (301) is slidably mounted with a screw block (302) through a thread, and the bottoms of the two screw blocks (302) are fixedly mounted on the tops of the two waterproof electric cylinders (4).

5. A wastewater pretreatment device according to claim 4, characterized in that: A transmission wheel (303) is installed on one side of the reciprocating screw rod (301), and the two transmission wheels (303) are driven by a transmission belt (304). The other side of one reciprocating screw rod (301) is connected to the output end of the driving motor (305).

6. A wastewater pretreatment device according to claim 1, characterized in that: Both sides of the pretreatment box (1) are provided with a feed trough (14), and an inclined plate (15) flush with the filter screen (2) is installed in the feed trough (14).

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