Heavy metal waste liquid multistage treatment device

Abstract

The utility model relates to the technical field of waste liquid treatment, and provides a heavy metal waste liquid multistage treatment device which comprises a base, a treatment box is arranged above the top of the base, a plurality of discharge ports are formed in the outer wall of one end of the treatment box at equal intervals, and a plurality of filter screens are screwed in the treatment box at equal intervals; according to the heavy metal waste liquid multi-stage treatment device, a connecting frame is pushed to move outwards through a first electric push rod, filtered sediments can be scraped out through a scraping plate under the transmission effect of a connecting rod, it is avoided that a filter screen is blocked to affect next-time use, meanwhile, convenience is provided for cleaning work of the filter screen, and through repeated stretching and retracting of a second electric push rod, the cleaning efficiency is improved. The treatment box can move back and forth on the cross rod by matching with the outward tension of the spring, so that a shaking effect is generated, the filtering speed is favorably improved, and the shaking of the treatment box can change the position of sediment in the filtering process, so that the filtering effect is prevented from being influenced by blockage.

Description

Technical Field

[0001] This utility model relates to the field of waste liquid treatment technology, specifically to a multi-stage treatment device for heavy metal waste liquid. Background Technology

[0002] Heavy metal waste liquid refers to liquid waste containing high concentrations of toxic heavy metal ions generated during industrial production or experiments. Filtration is a common and necessary step in the treatment of heavy metal waste liquid, and filter screens can be used to filter out the precipitates in the heavy metal waste liquid.

[0003] However, existing heavy metal waste liquid filtration devices are easily clogged by sediments in the heavy metal waste liquid during filtration, which affects the filtration effect. Therefore, it is necessary to design a multi-stage treatment device for heavy metal waste liquid. Utility Model Content

[0004] The purpose of this invention is to provide a multi-stage treatment device for heavy metal waste liquid, which solves the problem in related technologies that the waste liquid is easily clogged by precipitates in the heavy metal waste liquid during use, thus affecting the filtration effect.

[0005] The technical solution of this utility model is as follows:

[0006] A multi-stage treatment device for heavy metal waste liquid includes a base, a treatment box located on top of the base, and a plurality of discharge ports evenly spaced on the outer wall of one end of the treatment box. A plurality of filter screens are screwed evenly spaced inside the treatment box. A guide block is screwed to the bottom of the inner wall of each discharge port. A scraper is provided on the top end face of each filter screen, and connecting rods are welded to both sides of the scraper. The other end of each connecting rod passes through the treatment box. Two connecting frames are provided on the outside of one end of the treatment box, and the two connecting frames are respectively screwed and fixed to the connecting rods on the same side. Both outer walls of the processing box are screwed with first electric push rods, and the telescopic ends of the first electric push rods are screwed and fixed to the connecting frame. Two pairs of vertical plates are welded to the top end face of the base, and a horizontal bar is welded between each pair of vertical plates. A pair of sliding plates are slidably installed on the horizontal bar, and one top end of the sliding plate is screwed and fixed to the bottom end face of the processing box. Springs are screwed to two of the vertical plates, and the other end of the springs is screwed and fixed to the sliding plate. Second electric push rods are screwed to the other two vertical plates, and the telescopic ends of the second electric push rods are in contact with the sliding plates.

[0007] Preferably, the outlets are arranged vertically, the number of outlets is the same as the number of filters, and the position of the filters corresponds one-to-one with the outlets.

[0008] Preferably, the guide block is triangular, with the higher side of the guide block located at the filter screen and the lower side of the guide block located at the discharge outlet.

[0009] Preferably, guide blocks are screwed to both sides of the bottom end face of the processing box, and a discharge pipe is welded to the center of the bottom end face of the processing box.

[0010] Preferably, an input hopper is screwed to the center of the top of the processing tank, and a sedimentation tank is screwed to the top of the input hopper. A flow valve is screwed to the top of the input hopper.

[0011] Preferably, a controller is screwed onto the outer wall of the processing box.

[0012] Preferably, a pair of fixing brackets are screwed to the bottom of the outlet, and a collection frame is snapped onto each pair of fixing brackets, the length of the collection frame being greater than that of the outlet.

[0013] Preferably, the outer contour of the filter screen fits the inner contour of the processing box, and the pore size of the filter screen decreases sequentially from top to bottom.

[0014] The beneficial effects of this utility model are:

[0015] The first electric push rod pushes the connecting frame outward. Under the transmission action of the connecting rod, the filtered sediment can be scraped out by the scraper, preventing the filter screen from clogging and affecting the next use. At the same time, it provides convenience for cleaning the filter screen. The second electric push rod repeatedly extends and retracts, and with the outward tension of the spring, the treatment box can move back and forth on the crossbar, thus producing a shaking effect, which helps to improve the filtration speed. Moreover, the shaking of the treatment box can change the position of the sediment during the filtration process, preventing the filtration effect from being affected by clogging. Using multiple filter screens with different pore sizes for multi-stage filtration can improve the use effect of the equipment. Attached Figure Description

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0017] Figure 1 This is an isometric view of the entire utility model;

[0018] Figure 2 This is an overall sectional view of the present invention;

[0019] Figure 3 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the bottom structure of this utility model.

[0021] In the diagram: 1. Base; 2. Processing box; 3. Discharge port; 4. Filter screen; 5. Guide block; 6. Scraper; 7. Connecting rod; 8. Connecting frame; 9. First electric push rod; 10. Vertical plate; 11. Horizontal bar; 12. Slide plate; 13. Spring; 14. Second electric push rod; 15. Guide block; 16. Discharge pipe; 17. Input hopper; 18. Sedimentation tank; 19. Flow valve; 20. Controller; 21. Fixing frame; 22. Collection frame. Detailed Implementation

[0022] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0023] like Figure 1-4As shown, this embodiment proposes a multi-stage treatment device for heavy metal waste liquid, including a base 1, a treatment tank 2 located on the top of the base 1, and a plurality of discharge ports 3 evenly spaced on the outer wall of one end of the treatment tank 2. A plurality of filter screens 4 are screwed evenly spaced inside the treatment tank 2. A guide block 5 is screwed to the bottom of the inner wall of the discharge port 3. A scraper 6 is provided on the top end face of the filter screen 4, and connecting rods 7 are welded to both sides of the scraper 6. The other end of the connecting rod 7 passes through the treatment tank 2. Two connecting frames 8 are provided on the outside of one end of the treatment tank 2, and the two connecting frames 8 are respectively screwed to the connecting rod 7 on the same side. A first electric... The first electric push rod 9 is screwed to the connecting frame 8. Two pairs of vertical plates 10 are welded to the top surface of the base 1, and a horizontal bar 11 is welded between each pair of vertical plates 10. A pair of sliding plates 12 are slidably mounted on the horizontal bar 11, and one top end of the sliding plate 12 is screwed to the bottom surface of the processing box 2. Springs 13 are screwed onto two of the vertical plates 10, and the other end of the springs 13 is screwed to the sliding plate 12. Second electric push rods 14 are screwed onto the other two vertical plates 10, and the telescopic ends of the second electric push rods 14 are in contact with the sliding plates 12. The discharge outlets 3 are arranged vertically, and the number of discharge outlets 3 is... The quantity of filter screens 4 is the same as that of filter screens 4, and the positions of filter screens 4 correspond one-to-one with the outlet 3. The guide block 5 is triangular, with the high side of the guide block 5 located at the filter screen 4 and the low side of the guide block 5 located at the outlet 3. Guide blocks 15 are screwed to both sides of the bottom end face of the treatment tank 2. A discharge pipe 16 is welded to the center of the bottom end face of the treatment tank 2. The guide blocks 15 can be used to guide the filtered heavy metal waste liquid to the discharge pipe 16 for easy discharge. An input hopper 17 is screwed to the center of the top of the treatment tank 2, and a sedimentation tank 18 is screwed to the top of the input hopper 17. A flow valve 19 is screwed to the top of the input hopper 17. The sedimentation tank 18 can be discharged through the input hopper 17. The heavy metal waste liquid after sedimentation in the sedimentation tank 18 is sent into the treatment tank 2. The flow rate of the heavy metal waste liquid can be adjusted by the flow valve 19. A controller 20 is screwed onto the outer wall of the treatment tank 2. The controller 20 is used to control the first electric push rod 9, the second electric push rod 14 and the flow valve 19. A pair of fixing frames 21 are screwed onto the bottom of the outlet 3, and a collection frame 22 is snapped onto each pair of fixing frames 21. The length of the collection frame 22 is greater than that of the outlet 3. The heavy metal waste liquid sediment scraped off by the scraper 6 can be collected through the collection frame 22. The outer contour of the filter screen 4 fits the inner contour of the treatment tank 2, and the pore size of the filter screen 4 decreases from top to bottom.

[0024] The first electric push rod 9, the second electric push rod 14, the flow valve 19, and the controller 20 used in this embodiment are all existing mature technologies, and therefore will not be described in detail below. In use, the controller 20 activates the flow valve 19 to allow the heavy metal waste liquid after sedimentation in the sedimentation tank 18 to pass through the input hopper 17 and flow into the treatment tank 2. Multiple filters 4 with different pore sizes in the treatment tank 2 perform multi-stage filtration to filter out the sediment in the heavy metal waste liquid. The second electric push rod 14 repeatedly extends and retracts, and in conjunction with the outward tension of the spring 13, the treatment tank can achieve [the desired flow]. 2. Moving back and forth on the crossbar 11 creates a shaking effect, which helps to improve the filtration speed. The filtered waste liquid is discharged through the discharge pipe 16 under the guidance of the guide block 15. After filtration, the connecting frame 8 is pushed outward by the first electric push rod 9. Under the transmission action of the connecting rod 7, the filtered sediment can be scraped out by the scraper 6 to avoid clogging the filter screen 4 and affecting the next use. The scraped waste liquid sediment will enter the collection frame 22 for storage under the guidance of the guide block 5. The collection frame 22 can be removed from the fixed frame 21 for easy cleaning.

[0025] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multi-stage treatment device for heavy metal waste liquid, comprising a base (1), characterized in that, A processing box (2) is provided above the top of the base (1), and a number of discharge ports (3) are equally spaced on the outer wall of one end of the processing box (2). A number of filter screens (4) are equally spaced screwed inside the processing box (2). A guide block (5) is screwed to the bottom of the inner wall of the discharge port (3). A scraper (6) is provided on the top end face of the filter screen (4), and a connecting rod (7) is welded to both sides of the scraper (6). The other end of the connecting rod (7) passes through the processing box (2). Two connecting frames (8) are provided on the outside of one end of the processing box (2), and the two connecting frames (8) are respectively screwed to the connecting rod (7) on the same side. A first electric push is screwed to both outer walls of the processing box (2). The rod (9) and the telescopic end of the first electric push rod (9) are screwed and fixed to the connecting frame (8). The top end face of the base (1) is welded with two pairs of vertical plates (10), and a horizontal bar (11) is welded between each pair of vertical plates (10). A pair of sliding plates (12) are slidably installed on the horizontal bar (11), and one end of the top of the sliding plate (12) is screwed and fixed to the bottom end face of the processing box (2). Springs (13) are screwed on two of the vertical plates (10), and the other end of the springs (13) is screwed and fixed to the sliding plate (12). The other two vertical plates (10) are screwed with a second electric push rod (14), and the telescopic end of the second electric push rod (14) is in contact with the sliding plate (12).

2. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, The outlets (3) are arranged vertically, and the number of outlets (3) is the same as the number of filters (4), and the positions of the filters (4) correspond one-to-one with the outlets (3).

3. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, The guide block (5) is triangular, with the high side of the guide block (5) located at the filter screen (4) and the low side of the guide block (5) located at the outlet (3).

4. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, The bottom end face of the treatment box (2) is screwed with guide blocks (15) on both sides, and a discharge pipe (16) is welded to the center of the bottom end face of the treatment box (2).

5. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, The processing tank (2) has an input hopper (17) screwed to the top center, and a sedimentation tank (18) is screwed to the top of the input hopper (17). A flow valve (19) is screwed to the top of the input hopper (17).

6. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, The outer wall of the processing box (2) is screwed with a controller (20).

7. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, A pair of fixing brackets (21) are screwed to the bottom of the outlet (3), and a collection frame (22) is snapped onto each pair of fixing brackets (21). The length of the collection frame (22) is greater than that of the outlet (3).

8. The multi-stage treatment device for heavy metal waste liquid according to claim 1, characterized in that, The outer contour of the filter (4) fits the inner contour of the processing box (2), and the pore size of the filter (4) decreases from top to bottom.

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