Chemical nickel wastewater treatment equipment with filtering function and method

Abstract

The invention provides chemical nickel wastewater treatment equipment with a filtering function and a method, and relates to the technical field of chemical wastewater treatment. Chemical nickel wastewater treatment equipment with a filtering function comprises a bottom plate, the upper surface of a first supporting leg is fixedly connected with a filtering frame, the through position of one side of the filtering frame is fixedly connected with a collecting frame, the interior of the filtering frame is fixedly connected with a filtering plate, and the side surface, away from the collecting frame, of the filtering frame is fixedly connected with a supporting seat. The upper surface of the supporting base is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a piston rod, and the end, away from the cylinder, of the piston rod is fixedly connected with a moving rod. Water flow is prevented from flowing into the collecting frame when nickel-containing precipitates are filtered through the inclined filter plate, the nickel-containing precipitates are pushed into the collecting frame under the action of the push plate, and the time for pushing materials every time is less, so that the equipment is in a working state in most of time, the time for cleaning the nickel-containing precipitates is shortened, and the working efficiency is improved. And the working efficiency of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chemical wastewater treatment, in particular to a chemical nickel wastewater treatment equipment with filtering function and method. BACKGROUND

[0002] Nickel is a metal that is hard and ductile and ferromagnetic, it can be highly polished and resistant to corrosion, and it is an iron-loving element. A large amount of nickel-containing wastewater is generated during the process of nickel plating. At present, the treatment method for chemical nickel plating wastewater is generally to add an appropriate amount of NaOH to precipitate Ni(OH)2 from the nickel ions in the waste liquid according to the concentration of the nickel ions in the waste liquid.

[0003] When the applicant applied for the present application, through retrieval, it was found that a chemical nickel plating wastewater treatment equipment was disclosed in Chinese Patent No. 202311019257.7. The patent mainly recovers the nickel-containing precipitate in the wastewater by setting two symmetrical electromagnetic recovery assemblies on the underside of the top plate. Although it can improve the recovery efficiency of solid nickel in the wastewater, a large amount of electricity is consumed in the whole process, which is not conducive to environmental protection. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides a chemical nickel wastewater treatment equipment with filtering function and method, which solves the problem of quickly recovering solid nickel in wastewater in a more environmentally friendly way.

[0006] (II) Technical solutions

[0007] In order to achieve the above object, the present application is realized by the following technical scheme: a chemical nickel wastewater treatment equipment with filtering function, comprising a bottom plate, the upper surface of the bottom plate is fixedly connected with a first supporting leg, a second supporting leg and a third supporting leg, the upper surface of the first supporting leg is fixedly connected with a filter frame, one side of the top of the filter frame is through, the side of the filter frame is fixedly connected with a collecting frame, the inside of the filter frame is fixedly connected with a filter plate, the side surface of the filter frame away from the collecting frame is fixedly connected with a supporting seat, the upper surface of the supporting seat is fixedly connected with a gas cylinder, the output end of the gas cylinder is fixedly connected with a piston rod, one end of the piston rod away from the gas cylinder is fixedly connected with a moving rod, the lower surface of the moving rod is fixedly connected with a moving shaft, the cylindrical surface of the moving shaft is slidingly connected with a scraper, the lower surface of the moving rod is fixedly connected with a spring, the other end of the spring is fixedly connected with the upper surface of the scraper, the spring ring is on the cylindrical surface of the moving shaft, the bottom of the scraper is in contact with the filter plate, the filter plate is inclined, and the side with high height of the filter plate is in contact with the collecting frame. The collecting frame is arranged to facilitate the collection of the nickel-containing precipitate pushed out by the scraper, the filter plate is arranged to facilitate the filtration of the nickel-containing precipitate in the wastewater, the gas cylinder and the piston rod are arranged to facilitate the back and forth movement of the moving rod, thereby driving the scraper to move, the moving shaft is arranged to facilitate the limitation of the upward and downward movement track of the scraper, and the spring is arranged to facilitate the downward pressing of the scraper, thereby ensuring that the scraper is always pressed on the upper surface of the filter plate and ensuring that the scraper has good scraping effect on the filter plate.

[0008] Preferably, the upper surface of the filter frame away from the collecting frame is fixedly connected with a vertical plate, the side surface of the vertical plate close to the collecting frame is fixedly connected with a limiting shaft, the side surface of the moving rod is provided with a through cooperation hole, and the limiting shaft passes through the cooperation hole of the moving rod. The limiting shaft is arranged to facilitate the movement track of the moving rod and bear the vertical pressure of the moving rod.

[0009] Preferably, one side of the collecting frame away from the filter frame is a through surface, the lower surface of the inside of the collecting frame is provided with a T-shaped sliding groove, a T-shaped pull rod is slidingly connected in the T-shaped sliding groove of the collecting frame, and one end of the T-shaped pull rod away from the collecting frame is fixedly connected with a handle. The pull rod is arranged to facilitate the blocking of the T-shaped sliding groove on the lower surface of the inside of the collecting frame, and drive the push plate to move in the moving process.

[0010] Preferably, the upper surface of the T-shaped pull rod away from the handle is fixedly connected with a connecting block, the side surface of the connecting block away from the handle is fixedly connected with a push plate, and the lower surface of the push plate is in contact with the lower surface of the inside of the collecting frame. The push plate is arranged to facilitate the pushing out of the nickel-containing precipitate in the collecting frame.

[0011] Preferably, the upper surface side edge of the through hole of the collecting frame is fixedly connected with a fixed shaft, the cylindrical surface of the fixed shaft is rotationally connected with a door, and the side surface of the door away from the fixed shaft is provided with a magnet block.

[0012] Preferably, the upper surface of the second supporting leg is fixedly connected with a water storage frame, the side surface of the water storage frame is provided with a second water outlet pipeline near the bottom edge, the middle of the second water outlet pipeline is provided with a stop valve, and the water outlet of the second water outlet pipeline is directly above the filter plate. The stop valve is arranged in the second water outlet pipeline to facilitate the control of the water flow in the water storage frame.

[0013] Preferably, the upper surface of the third supporting leg is fixedly connected with a mixing frame, the side surface of the mixing frame is provided with a first water outlet pipeline near the bottom edge, the middle of the first water outlet pipeline is provided with a stop valve, and the water outlet of the first water outlet pipeline is directly above the water storage frame. The stop valve is arranged in the first water outlet pipeline to facilitate the control of the water flow in the mixing frame.

[0014] Preferably, the upper surface of the mixing frame is fixedly connected with a supporting plate, and the upper surface of the supporting plate is fixedly connected with a motor. The motor is arranged to facilitate the rotation of the rotating shaft and the stirring rod, and to stir the liquid in the mixing frame to accelerate the generation of nickel-containing precipitates.

[0015] Preferably, the output end of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the supporting plate, and the cylindrical surface of the rotating shaft is fixedly connected with a stirring rod.

[0016] A use method of a chemical nickel wastewater treatment equipment with a filtering function, and the specific processing steps are as follows:

[0017] S1. Pour the wastewater containing nickel and an appropriate amount of NaOH into the mixing frame, then start the motor to drive the stirring rod to rotate, thereby driving the liquid in the mixing frame to flow, allowing the NaOH and nickel ions to rapidly react to generate precipitates;

[0018] S2. Open the stop valve of the first water outlet pipeline, allow the nickel-containing precipitates and wastewater to flow into the water storage frame, then open the stop valve of the second water outlet pipeline, allow the wastewater containing nickel-containing precipitates to fall on the filter plate to be filtered, and the nickel-containing precipitates will remain on the filter plate;

[0019] S3. After the nickel-containing precipitates on the filter plate accumulate to a certain extent, close the stop valve of the first water outlet pipeline, drive the moving rod by the piston rod driven by the air cylinder, thereby driving the scraper to move, and scraping the nickel-containing precipitates on the filter plate, until the scraper pushes the nickel-containing precipitates on the filter plate to the collecting frame, then the scraper returns to the original position, and the stop valve of the first water outlet pipeline is reopened, and the filtering operation is continued;

[0020] S4. When the collecting frame is to be filled, open the blocking door, pull the handle to drive the push plate to move, and push the nickel-containing precipitate collected in the collecting frame out.

[0021] Working principle: The nickel-containing precipitate accumulates on the filter plate. When the accumulation reaches a certain degree, the cylinder drives the piston rod to move the moving rod, thereby moving the scraper on the filter plate. The scraper moves upward during the movement, and the spring uses its own elastic force to press the scraper tightly on the filter plate, scraping and pushing the precipitate accumulated on the filter plate into the collecting frame, completing the collection of the nickel-containing precipitate. The inclined filter plate allows the liquid to flow downward, avoiding the liquid flowing into the collecting frame.

[0022] (Three) beneficial effects

[0023] The application provides a chemical nickel wastewater treatment equipment with a filtering function and a method.

[0024] 1. The inclined filter plate avoids water flow into the collecting frame when filtering the nickel-containing precipitate, and pushes the nickel-containing precipitate into the collecting frame under the action of the push plate. The time required for each pushing operation is relatively short, which allows the equipment to be in a working state for most of the time, reduces the time for cleaning the nickel-containing precipitate, and improves the working efficiency of the equipment.

[0025] 2. The spring always applies pressure to the scraper, ensuring that the scraper is always in close contact with the surface of the filter plate and ensuring the scraping effect of the scraper on the nickel-containing precipitate on the filter plate. DETAILED DESCRIPTION

[0026] Figure 1 It is a whole structure schematic view of the chemical nickel wastewater treatment equipment with a filtering function proposed in the application.

[0027] Figure 2 It is a filtering frame and its corresponding component structure schematic view of the chemical nickel wastewater treatment equipment with a filtering function proposed in the application.

[0028] Figure 3 It is a filtering frame and its corresponding component structure schematic view of the chemical nickel wastewater treatment equipment with a filtering function proposed in the application.

[0029] Figure 4 It is a filtering frame and its corresponding component structure schematic view of the chemical nickel wastewater treatment equipment with a filtering function proposed in the application.

[0030] Figure 5 It is a collecting frame and its corresponding component structure schematic view of the chemical nickel wastewater treatment equipment with a filtering function proposed in the application.

[0031] Figure 6A local structure enlarged view of the chemical nickel wastewater treatment equipment with filtering function at position A according to the present application;

[0032] Figure 7 A local structure enlarged view of the chemical nickel wastewater treatment equipment with filtering function at position B according to the present application;

[0033] Figure 8 A local structure enlarged view of the chemical nickel wastewater treatment equipment with filtering function at position C according to the present application.

[0034] Wherein, 1, bottom plate; 2, first support leg; 3, second support leg; 4, third support leg; 5, filter frame; 6, water storage frame; 7, mixing frame; 8, support plate; 9, motor; 10, rotating shaft; 11, stirring rod; 12, first water outlet pipeline; 13, second water outlet pipeline; 14, collection frame; 15, push plate; 16, door; 17, T-shaped pull rod; 18, handle; 19, support seat; 20, air cylinder; 21, piston rod; 22, vertical plate; 23, moving rod; 24, scraper; 25, limiting shaft; 26, filter plate; 27, moving shaft; 28, spring; 29, connecting block; 30, fixed shaft. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0036] Embodiment:

[0037] As Figures 1-8As shown, the embodiment of the present application provides a kind of chemical nickel wastewater treatment equipment with filtering function, including bottom plate 1, the upper surface of bottom plate 1 is fixedly connected first support leg 2, second support leg 3 and third support leg 4, the upper surface of first support leg 2 is fixedly connected filter frame 5, one side of filter frame 5 top is through, and the side of filter frame 5 is fixedly connected collection frame 14 in the through place, filter frame 5 is fixedly connected filter plate 26 inside, and the side surface of filter frame 5 away from collection frame 14 is fixedly connected support seat 19, the upper surface of support seat 19 is fixedly connected air cylinder 20, the output end of air cylinder 20 is fixedly connected piston rod 21, the end of piston rod 21 away from air cylinder 20 is fixedly connected moving rod 23, the lower surface of moving rod 23 is fixedly connected moving shaft 27, the cylindrical surface of moving shaft 27 is slidably connected scraper 24, the lower surface of moving rod 23 is fixedly connected spring 28, and the other end of spring 28 is fixedly connected in the upper surface of scraper 24, spring 28 is ringed in the cylindrical surface of moving shaft 27, the bottom of scraper 24 and filter plate 26 contact, filter plate 26 is inclined, the side of filter plate 26 height high and collection frame 14 contact, scraper 24 is generally in the lowest position of filter plate 14, and contact with the inner surface of filter frame 5, spring 28 is always in the state of being pressed, always exerts downward pressure on scraper 24.

[0038] The upper surface of second support leg 3 is fixedly connected with water storage frame 6, the side surface of water storage frame 6 is provided with second water outlet pipeline 13 near the bottom edge, the second water outlet pipeline 13 is provided with a stop valve in the middle, and the water outlet of the second water outlet pipeline 13 is above the filter plate 26.

[0039] The upper surface of filter frame 5 away from collection frame 14 is fixedly connected with vertical plate 22, the side surface of vertical plate 22 close to collection frame 14 is fixedly connected with limiting shaft 25, the side surface of moving rod 23 is provided with through cooperation hole, limiting shaft 25 passes through the cooperation hole of moving rod 23, moving rod 23 slides on the limiting shaft, so that piston rod 21 will not be subjected to radial pressure.

[0040] The upper surface of T-shaped pull rod 17 away from handle 18 is fixedly connected with connecting block 29, the side surface of connecting block 29 away from handle 18 is fixedly connected with push plate 15, the lower surface of push plate 15 and the lower surface inside collection frame 14 contact, the upper surface side edge of the through place of collection frame 14 is fixedly connected with fixed shaft 30, the cylindrical surface of fixed shaft 30 is rotatably connected with shutter 16, the side surface of the end of shutter 16 away from fixed shaft 30 and collection frame 14 contact is provided with magnet block, when shutter 16 is closed in the through side of collection frame 14, shutter 16 will be adsorbed on collection frame 14, push plate 15 is generally in contact with the inner surface of collection frame 14 close to filter plate 26 side.

[0041] The upper surface of the mixing frame 7 is fixedly connected with a support plate 8, the upper surface of the support plate 8 is fixedly connected with a motor 9, the output end of the motor 9 is fixedly connected with a rotating shaft 10, the rotating shaft 10 penetrates through the support plate 8, and the cylindrical surface of the rotating shaft 10 is fixedly connected with a stirring rod 11.

[0042] The side, away from the filter frame 5, of the collecting frame 14 is a through surface, the inner lower surface of the collecting frame 14 is provided with a T-shaped sliding groove, a T-shaped pull rod 17 is slidingly connected in the T-shaped sliding groove of the collecting frame 14, the end, away from the collecting frame 14, of the T-shaped pull rod 17 is fixedly connected with a handle 18, and the T-shaped pull rod 17 can block the T-shaped sliding groove of the inner lower surface of the collecting frame 14. After the collecting frame 14 is filled with the collected material, the handle 18 is pulled to drive the push plate 15 to move, and the nickel-containing precipitate in the collecting frame 14 is pushed out.

[0043] The use method of the chemical nickel wastewater treatment equipment with the filtering function is specifically as follows:

[0044] S1. The wastewater containing nickel and the proper amount of NaOH are poured into the mixing frame 7, then the motor 9 is started to drive the stirring rod 11 to rotate, so as to drive the liquid in the mixing frame 7 to flow, and the NaOH and the nickel ions are rapidly reacted to generate the precipitate;

[0045] S2. The stop valve of the first water outlet pipeline 12 is opened, the nickel-containing precipitate and the wastewater are flowed into the water storage frame 6 together, then the stop valve of the second water outlet pipeline 13 is opened, the wastewater containing the nickel-containing precipitate is filtered on the filter plate 26, and the nickel-containing precipitate is left on the filter plate 26;

[0046] S3. After the nickel-containing precipitate on the filter plate 26 is accumulated to a certain degree, the stop valve of the first water outlet pipeline 12 is closed, the piston rod 21 is driven by the air cylinder 20 to drive the moving rod 22 to move, so as to drive the scraper 24 to move, the nickel-containing precipitate on the filter plate 26 is scraped off, until the nickel-containing precipitate on the filter plate 26 is pushed to the collecting frame 14 by the scraper 24, then the scraper 24 returns to the original position, the stop valve of the first water outlet pipeline 12 is opened again, and the filtering operation is continuously performed;

[0047] S4. When the collecting frame 14 is to be filled, the door 16 is opened, the handle 18 is pulled to drive the push plate 15 to move, and the nickel-containing precipitate collected in the collecting frame 14 is pushed out.

[0048] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A chemical nickel wastewater treatment equipment with filtering function, comprising a bottom plate (1), characterized in that: The bottom plate (1) upper surface is fixedly connected with a first supporting leg (2), a second supporting leg (3) and a third supporting leg (4), the first supporting leg (2) upper surface is fixedly connected with a filter frame (5), one side of the top of the filter frame (5) is through, one side of the filter frame (5) is fixedly connected with a collecting frame (14), the filter frame (5) is fixedly connected with a filter plate (26) inside, the side surface of the filter frame (5) away from the collecting frame (14) is fixedly connected with a supporting seat (19), the supporting seat (19) upper surface is fixedly connected with a pneumatic cylinder (20), the pneumatic cylinder (20) output end is fixedly connected with a piston rod (21), the piston rod (21) end away from the pneumatic cylinder (20) is fixedly connected with a moving rod (23), the moving rod (23) lower surface is fixedly connected with a moving shaft (27), the cylindrical surface of the moving shaft (27) is slidably connected with a scraper (24), the moving rod (23) lower surface is fixedly connected with a spring (28), the other end of the spring (28) is fixedly connected with the upper surface of the scraper (24), the spring (28) is around the cylindrical surface of the moving shaft (27), the bottom of the scraper (24) is in contact with the filter plate (26), the filter plate (26) is inclined, and the side of the filter plate (26) with high height is in contact with the collecting frame (14).

2. The chemical nickel wastewater treatment device with filtering function according to claim 1, characterized in that: The upper surface of the filter frame (5) away from the collecting frame (14) is fixedly connected with a vertical plate (22), the side surface of the vertical plate (22) close to the collecting frame (14) is fixedly connected with a limiting shaft (25), the side surface of the moving rod (23) is provided with a through cooperation hole, and the limiting shaft (25) passes through the cooperation hole of the moving rod (23).

3. The chemical nickel wastewater treatment device with filtering function according to claim 1, characterized in that: The side of the collecting frame (14) away from the filter frame (5) is a through surface, the lower surface of the collecting frame (14) is provided with a T-shaped sliding groove, and the T-shaped sliding groove of the collecting frame (14) is slidably connected with a T-shaped pull rod (17).

4. The chemical nickel wastewater treatment device with filtering function according to claim 3, characterized in that: The upper surface of the T-shaped pull rod (17) away from the handle (18) is fixedly connected with a connecting block (29), one side surface of the connecting block (29) away from the handle (18) is fixedly connected with a push plate (15), and the lower surface of the push plate (15) is in contact with the lower surface of the collecting frame (14).

5. The chemical nickel wastewater treatment device with filtering function according to claim 4, characterized in that: The upper surface of the through part of the collecting frame (14) is fixedly connected with a fixed shaft (30), the cylindrical surface of the fixed shaft (30) is rotatably connected with a blocking door (16), and the side surface of the blocking door (16) away from the fixed shaft (30) and the collecting frame (14) is provided with a magnet block.

6. The chemical nickel wastewater treatment device with filtering function according to claim 1, characterized in that: The upper surface of the second supporting leg (3) is fixedly connected with a water storage frame (6), the side surface of the water storage frame (6) is provided with a second water outlet pipeline (13) close to the bottom edge, a stop valve is arranged in the second water outlet pipeline (13), and the water outlet of the second water outlet pipeline (13) is above the filter plate (26).

7. The chemical nickel wastewater treatment device with filtering function according to claim 1, characterized in that: The third support leg (4) upper surface is fixedly connected with a mixing frame (7), and the first water outlet pipeline (12) is arranged on the side surface of the mixing frame (7) close to the bottom edge; the first water outlet pipeline (12) is provided with a stop valve in the middle; and the water outlet of the first water outlet pipeline (12) is directly above the water storage frame (6).

8. The chemical nickel wastewater treatment device with filtering function according to claim 7, characterized in that: The upper surface of the mixing frame (7) is fixedly connected with a support plate (8), and the upper surface of the support plate (8) is fixedly connected with a motor (9).

9. The chemical nickel wastewater treatment device with filtering function according to claim 8, characterized in that: The output end of the motor (9) is fixedly connected with a rotating shaft (10), the rotating shaft (10) penetrates through the support plate (8), and the cylindrical surface of the rotating shaft (10) is fixedly connected with a stirring rod (11).

10. The use of the chemical nickel wastewater treatment equipment with filtering function according to any one of claims 1-9, characterized in that: The specific processing steps are as follows: S1. Pour the wastewater containing nickel and an appropriate amount of NaOH into the mixing frame (7), then start the motor (9) to drive the stirring rod (11) to rotate, so as to drive the liquid in the mixing frame (7) to flow, and make the NaOH and nickel ions react quickly to produce precipitates; S2. Open the stop valve of the first water outlet pipeline (12), so that the precipitates containing nickel and wastewater flow into the water storage frame (6) together, then open the stop valve of the second drain pipeline (13), so that the wastewater containing nickel precipitates falls on the filter plate (26) and is filtered, and the nickel-containing precipitates remain on the filter plate (26); S3. After the nickel-containing precipitates on the filter plate (26) accumulate to a certain extent, the stop valve of the first water outlet pipeline (12) is closed, the piston rod (21) is driven by the air cylinder (20) to drive the moving rod (22) to move, so as to drive the scraper (24) to move, and the nickel-containing precipitates on the filter plate (26) are scraped off until the scraper (24) pushes the nickel-containing precipitates on the filter plate (26) to the collection frame (14), then the scraper (24) returns to the original position, and the stop valve of the first water outlet pipeline (12) is reopened, and the filtering operation is continued; S4. When the collection frame (14) is to be filled, open the door (16), pull the handle (18) to drive the push plate (15) to move, and push out the nickel-containing precipitates collected in the collection frame (14).

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