Heavy metal protection device for tail water of industrial wastewater in centralized control area

Abstract

The utility model relates to a centralized control area industrial wastewater tail water heavy metal protection device which comprises a filter box, a filter layer is arranged in the middle of the filter box and made of activated carbon particles, a first water inlet pipe is arranged above the filter box, and a first water drainage pipe is arranged on the lower portion of the filter box and made of activated carbon particles. A plurality of stirring rollers are arranged in the middle of the filtering box, first flow channels are formed in the stirring rollers, a plurality of water outlets are formed in the peripheral walls of the stirring rollers, and the first flow channels communicate with a water supply assembly. The application has the effect of improving the application range of the sealing test device.

Description

Technical Field

[0001] The present application relates to the technical field of electroplating wastewater treatment, and in particular to a heavy metal protection device for industrial wastewater tail water in a centralized control area. Background Art

[0002] Electroplating will produce wastewater tail water, which contains various harmful substances. Heavy metals are the main harmful substances in the tail water. Therefore, the wastewater tail water needs to be treated to reduce the content of heavy metals to meet the emission standards before it can be discharged.

[0003] Related technology discloses a filter device for electroplating wastewater tail water, including a filter box, a filter layer fixedly installed inside the filter box, and the filter layer is activated carbon particles. The electroplating wastewater enters the filter box and then passes through the filter layer, which absorbs heavy metals in the wastewater tail water, thereby reducing the heavy metal content of the wastewater tail water to meet the discharge standard.

[0004] When the existing filter layer filters electroplating wastewater, some solid impurities will be adsorbed on the outer surface of the activated carbon particles of the filter layer, thereby affecting the filtering effect of the filter layer. Utility Model Content

[0005] In order to improve the filtering effect of the filter layer, the present application provides a heavy metal protection device for industrial wastewater tail water in a centralized control area.

[0006] The heavy metal protection device for industrial wastewater tail water in the centralized control area provided in this application adopts the following technical solution:

[0007] A heavy metal protection device for tail water of industrial wastewater in a centralized control area comprises a filter box, a filter layer is arranged in the middle of the filter box, the filter layer is activated carbon particles, a first water inlet pipe is arranged above the filter box, a first drain pipe is arranged at the bottom of the filter box, a plurality of stirring rollers are arranged in the middle of the filter box, a first flow channel is opened inside the stirring roller, a plurality of water outlets are opened on the outer peripheral wall of the stirring roller, and the first flow channel is connected to a water supply component.

[0008] By adopting the above technical solution, when the filter layer needs to be cleaned, the stirring roller stirs the filter layer. During the stirring process, the water supply component can inject water into the first flow channel, and the water flows from the water outlet to clean the filter layer, thereby improving the filtering effect of the filter layer. In addition, the water is directly discharged through the stirring roller to stir and clean the filter layer, which can improve the cleaning efficiency.

[0009] Optionally, a second filter plate is disposed above the filter box, and a first filter plate is disposed below the filter box. The first filter plate is slidably connected to the filter box in a vertical direction, and the filter box is provided with a driving member for driving the first filter plate to slide.

[0010] By adopting the above technical solution, the first filter plate can slide up and down, and the driving member drives the first filter plate to slide down, thereby adjusting the size of the space between the first filter plate and the second filter plate. When cleaning, the space between the first filter plate and the second filter plate is increased to facilitate the stirring roller to stir the filter layer.

[0011] Optionally, a rotating shaft is provided in the middle of the filter box, the rotating shaft is rotatably connected to the filter box, the stirring roller is provided on the rotating shaft, and a first scraper is provided below the first filter plate, and the first scraper is provided on the rotating shaft.

[0012] By adopting the above technical solution, after the first filter plate has been used for a period of time, some dirt is easily attached to the lower surface of the first filter plate. Therefore, a first scraper is provided. When the filter layer is cleaned, the rotating shaft can drive the first scraper to scrape off the dirt attached to the first filter plate.

[0013] Optionally, a first mounting ring is provided in the middle of the first scraper, a first key slot is provided on the outer peripheral wall of the rotating shaft, the length direction of the first key slot is distributed along the vertical direction, a first transmission key is provided on the inner wall of the first mounting ring, and the first transmission key is slidably clamped in the first key slot along the vertical direction.

[0014] By adopting the above technical solution, on the one hand, the first mounting ring can be slidably connected to the rotating shaft in the vertical direction through the first transmission key. When the first filter plate is sliding, the first scraper can slide to avoid it. On the other hand, through the first key groove, when the rotating shaft rotates, the rotating shaft can drive the first scraper to rotate.

[0015] Optionally, the rotating shaft is provided with a first elastic member for forcing the first mounting ring to slide upward.

[0016] By adopting the above technical solution, the first elastic member forces the first mounting ring and the first scraper to slide upward, so that the first scraper can abut against the lower surface of the first filter plate.

[0017] Optionally, a second scraper is provided above the second filter plate, a second mounting ring is provided in the middle of the second scraper, a second key slot is provided on the rotating shaft, and a second transmission key clamped in the second key slot is provided on the inner wall of the second mounting ring.

[0018] By adopting the above technical solution, when the rotating shaft rotates, the rotating shaft drives the second scraper to rotate to scrape off the dirt on the second filter plate.

[0019] Optionally, a side wall of the filter box is provided with a material changing port, the material changing port is located below the second filter plate, and the material changing port is located above the first filter plate, and the filter box is detachably connected with a cover plate for covering the material changing port.

[0020] By adopting the above technical solution, a material replacement port is provided, so that on the one hand, the activated carbon particles of the filter layer can be replaced, and on the other hand, the activated carbon of the filter layer can be added as needed.

[0021] Optionally, the driving component is a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the inner wall of the filter box, the hydraulic cylinder is located below the first filter plate, and the filter box is provided with a waterproof cover covering the hydraulic cylinder.

[0022] By adopting the above technical solution, a waterproof cover is provided to reduce the possibility of the hydraulic cylinder contacting water, thereby increasing the service life of the hydraulic cylinder.

[0023] In summary, the utility model has the following beneficial effects:

[0024] 1. When the filter layer needs to be cleaned, the stirring roller stirs the filter layer. During the stirring process, the water supply component can inject water into the first flow channel, and the water flows from the water outlet to clean the filter layer, thereby improving the filtering effect of the filter layer. In addition, the stirring roller directly discharges water to stir and clean the filter layer, which can improve the cleaning efficiency;

[0025] 2. On the one hand, the first mounting ring can be slidably connected to the rotating shaft in the vertical direction through the first transmission key. When the first filter plate is sliding, the first scraper can slide to avoid it. On the other hand, through the first key slot, when the rotating shaft rotates, the rotating shaft can drive the first scraper to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of this embodiment;

[0027] Figure 2 Schematic diagram of the internal structure of the filter box in this embodiment;

[0028] Figure 3 yes Figure 2 A magnified schematic diagram of center A.

[0029] In the figure, 1, filter box; 11, first water inlet pipe; 12, first drain pipe; 13, second water inlet pipe; 14, second drain pipe; 15, material change port; 151, cover plate; 16, installation cavity; 2, rotating shaft; 21, driving motor; 22, stirring roller; 221, first flow channel; 222, water outlet; 23, water supply assembly; 24, second flow channel; 25, first keyway; 3, second filter plate; 31, second scraper; 4, first filter plate; 41, hydraulic cylinder; 42, waterproof cover; 43, first scraper; 431, first mounting ring; 432, first transmission key; 44, first spring. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-3 This application is described in further detail.

[0031] The present application embodiment discloses a heavy metal protection device for industrial wastewater tail water in a centralized control area, referring to Figure 1 , including a filter box 1, wherein a first filter plate 4 and a second filter plate 3 are arranged inside the filter box 1, an installation cavity 16 is formed between the first filter plate 4 and the second filter plate 3, and a filter layer is arranged in the installation cavity 16, and the filter layer is activated carbon particles.

[0032] Reference Figure 1 The filter box 1 is connected to a first water inlet pipe 11 above, and electroplating wastewater can enter the filter box 1 through the first water inlet pipe 11. The filter box 1 is connected to a first drain pipe 12 below, and the electroplating wastewater is filtered through the filter layer and then discharged through the first drain pipe 12. A second water inlet pipe 13 is provided above the filter box 1, and a second drain pipe 14 is provided below the filter box 1.

[0033] Reference Figure 1 A rotating shaft 2 is provided in the filter box 1, the rotating shaft 2 and the filter box 1 are coaxially arranged, both ends of the rotating shaft 2 are rotatably connected to the filter box 1, a driving motor 21 is fixedly connected to the upper surface of the filter box 1, and the output shaft of the driving motor 21 is coaxially fixedly connected to the rotating shaft 2. The rotating shaft 2 is provided with a plurality of groups of stirring rollers 22, the plurality of groups of stirring rollers 22 are distributed along the axis direction of the rotating shaft 2, the stirring rollers 22 are located between the first filter plate 4 and the second filter plate 3, each group of stirring rollers 22 includes a plurality of stirring rollers 22, and the plurality of stirring rollers 22 are distributed in a circular array around the axis of the rotating shaft 2.

[0034] Reference Figure 1 and Figure 2The stirring roller 22 has a first flow channel 221 formed inside, the rotating shaft 2 has a second flow channel 24 formed inside, the first flow channel 221 is connected to the second flow channel 24, the outer peripheral wall of the stirring roller 22 has a plurality of water outlets 222 formed therein, the water outlets 222 are connected to the first flow channel 221. The rotating shaft 2 is provided with a water supply component 23, the water supply component 23 is connected to the second flow channel 24 to supply water to the second flow channel 24.

[0035] Reference Figure 2 and Figure 3 The first filter plate 4 is slidably connected to the filter box 1 in the vertical direction, and the filter box 1 is provided with a driving member for driving the first filter plate 4 to slide. The driving member is a hydraulic cylinder 41, which is fixedly connected to the inner wall of the filter box 1, and is located below the first filter plate 4. The telescopic rod of the hydraulic cylinder 41 is fixedly connected to the first filter plate 4, and the filter box 1 is fixedly connected with a waterproof cover 42 covering the hydraulic cylinder 41.

[0036] Reference Figure 2 and Figure 3 A first scraper 43 is provided below the first filter plate 4, a first mounting ring 431 is fixedly connected to the middle of the first scraper 43, and the first mounting ring 431 is slidably connected to the rotating shaft 2 along the vertical direction. A first keyway 25 is provided on the outer peripheral wall of the rotating shaft 2, and two first keyways 25 are provided, and the two first keyways 25 are symmetrically arranged, and the length direction of the first keyways 25 is distributed along the vertical direction. A first transmission key 432 is fixedly connected to the inner wall of the first mounting ring 431, and the first transmission key 432 is slidably clamped in the first keyway 25 along the vertical direction.

[0037] Reference Figure 2 and Figure 3 The rotating shaft 2 is provided with a first elastic member forcing the first mounting ring 431 to slide upwards, the first elastic member is a first spring 44, the first spring 44 is coaxially sleeved on the rotating shaft 2, one end of the first spring 44 is fixedly connected to the first mounting ring 431, and the other end of the first spring 44 is fixedly connected to the rotating shaft 2. The first spring 44 forces the first mounting ring 431 and the first scraper 43 to slide upwards, so that the first scraper 43 can abut against the lower surface of the first filter plate 4.

[0038] Reference Figure 2 and Figure 3 A second scraper 31 is disposed above the second filter plate 3, and the middle portion of the second scraper 31 is fixedly connected to the rotating shaft 2. When the rotating shaft 2 rotates, the rotating shaft 2 drives the second scraper 31 to rotate to scrape off the dirt on the second filter plate 3.

[0039] Reference Figure 1A material changing port 15 is provided on the side wall of the filter box 1 . The material changing port 15 is located above the first filter plate 4 and slightly lower than the second filter plate 3 . The filter box 1 is detachably connected with a cover plate 151 for covering the material changing port 15 .

[0040] The implementation principle of a heavy metal protection device for industrial wastewater tail water in a centralized control area according to an embodiment of the present application is as follows: when the filter layer needs to be cleaned, the stirring roller 22 stirs the filter layer. During the stirring process, the water supply component 23 can inject water into the first flow channel 221, and the water flows from the water outlet 222 to clean the filter layer, thereby improving the filtering effect of the filter layer. In addition, water is directly discharged through the stirring roller 22 to stir and clean the filter layer, which can improve the cleaning efficiency.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A heavy metal protection device for industrial wastewater tail water in a centralized control area, characterized by: The invention comprises a filter box (1), wherein a filter layer is arranged in the middle of the filter box (1), wherein the filter layer comprises activated carbon particles, wherein a first water inlet pipe (11) is arranged above the filter box (1), wherein a first drain pipe (12) is arranged below the filter box (1), wherein a plurality of stirring rollers (22) are arranged in the middle of the filter box (1), wherein a first flow channel (221) is provided inside the stirring roller (22), wherein a plurality of water outlets (222) are provided on the outer peripheral wall of the stirring roller (22), and wherein the first flow channel (221) is connected to a water supply component (23).

2. A heavy metal protection device for industrial wastewater tail water in a centralized control area according to claim 1, characterized in that: A second filter plate (3) is arranged above the filter box (1), and a first filter plate (4) is arranged below the filter box (1); the first filter plate (4) is connected to the filter box (1) in a sliding manner in a vertical direction, and the filter box (1) is provided with a driving member for driving the first filter plate (4) to slide.

3. A heavy metal protection device for industrial wastewater tail water in a centralized control area according to claim 2, characterized in that: A rotating shaft (2) is arranged in the middle of the filter box (1), the rotating shaft (2) is rotatably connected to the filter box (1), the stirring roller (22) is arranged on the rotating shaft (2), and a first scraper (43) is arranged below the first filter plate (4), the first scraper (43) is arranged on the rotating shaft (2).

4. A heavy metal protection device for industrial wastewater tail water in a centralized control area according to claim 3, characterized in that: A first mounting ring (431) is arranged in the middle of the first scraper (43), a first key slot (25) is provided on the outer peripheral wall of the rotating shaft (2), the length direction of the first key slot (25) is distributed along the vertical direction, and a first transmission key (432) is arranged on the inner wall of the first mounting ring (431), the first transmission key (432) is slidably clamped in the first key slot (25) along the vertical direction.

5. A heavy metal protection device for industrial wastewater tail water in a centralized control area according to claim 4, characterized in that: The rotating shaft (2) is provided with a first elastic member for forcing the first mounting ring (431) to slide upwards.

6. A heavy metal protection device for industrial wastewater tail water in a centralized control area according to claim 2, characterized in that: A second scraper (31) is arranged above the second filter plate (3), and the second scraper (31) is arranged on the rotating shaft (2).

7. The heavy metal protection device for industrial wastewater tail water in the centralized control area according to claim 2 is characterized by: A material changing port (15) is provided on a side wall of the filter box (1), the material changing port (15) being located below the second filter plate (3), and the material changing port (15) being located above the first filter plate (4), and the filter box (1) is detachably connected to a cover plate (151) for covering the material changing port (15).

8. The heavy metal protection device for industrial wastewater tail water in the centralized control area according to claim 2 is characterized by: The driving member is a hydraulic cylinder (41), the hydraulic cylinder (41) is fixedly connected to the inner wall of the filter box (1), the hydraulic cylinder (41) is located below the first filter plate (4), and the filter box (1) is provided with a waterproof cover (42) covering the hydraulic cylinder (41).

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