Nickel-containing wastewater recycling device

Abstract

The utility model discloses a nickel-containing wastewater recycling device, which relates to the technical field of nickel wastewater recycling and comprises a base, a control cabinet is arranged on the front side of the upper end of the base, a filter component is arranged on the left side of the upper end of the base, an electrolysis component is arranged in the middle of the upper end of the base, and the electrolysis component comprises an electrolysis barrel. The lower end of the electrolysis barrel is fixedly connected with the upper end of the base, a first opening is formed in the middle of the upper end of the electrolysis barrel in a penetrating mode, and filtered nickel-containing wastewater is conveyed into the electrolysis barrel through a first guide pipe and a second guide pipe by means of a first pump machine; nickel ions in the electrolytic bath are reduced into nickel metal deposits on the cathode electrode bar, when the nickel metal deposits on the cathode electrode bar need to be recycled, the limiting plate is taken out from the interior of the first opening through the handle, then the electrode bar can be taken out, and then the nickel metal deposits can be removed from the surface of the cathode electrode bar. Therefore, the nickel metal is recovered.

Description

TECHNICAL FIELD

[0001] The utility model relates to nickel wastewater reuse technical field, concretely relates to a kind of nickel-containing wastewater reuse device. BACKGROUND

[0002] Nickel-containing wastewater widely exists in electroplating, metallurgy, chemical industry and battery manufacturing etc., especially electroplating industry, usually uses nickel-containing chemical solution in electroplating process, and nickel ion-containing wastewater is inevitably generated in production process, since nickel is an important metal resource, and it has strong environmental pollution, therefore, nickel-containing wastewater needs to be treated and reused.

[0003] In the process of nickel wastewater reuse, most of them will use chemical precipitation method, however, chemical precipitation method needs a large amount of precipitant, if not strictly controlled, it may cause harmful precipitates to accumulate, and further produce secondary pollutants, based on this, the present scheme provides a kind of nickel-containing wastewater reuse device to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, a nickel-containing wastewater reuse device is provided, which solves the problem of using chemical precipitation method in the process of nickel wastewater reuse, and the problem of causing harmful precipitates to accumulate and further producing secondary pollutants if not strictly controlled.

[0005] To achieve the above purposes, the technical scheme adopted by the utility model is as follows: a nickel-containing wastewater reuse device, comprising a base, a control cabinet is arranged on the upper end of the front side of the base, a filter assembly is arranged on the upper end of the left side of the base, and an electrolysis assembly is arranged on the upper end of the middle of the base.

[0006] The electrolysis assembly comprises an electrolysis barrel, the lower end of the electrolysis barrel is fixedly connected with the upper end of the base, a first opening is formed through the upper end of the electrolysis barrel, a second opening is formed through the upper end of the front side of the electrolysis barrel, a limiting plate is arranged inside the first opening, positioning plates are fixedly connected with the upper end of the left and right sides of the limiting plate, a handle is fixedly connected with the upper end of the positioning plate, a power supply is arranged on the upper end of the limiting plate, electrode rods are arranged on the lower end of the left and right sides of the limiting plate, a storage box is arranged inside the second opening, a discharge pipe is fixedly connected with the lower end of the storage box, a first electromagnetic valve is mounted on the outer surface of the discharge pipe, a feeding pipe is fixedly connected with the upper end of the storage box, a sealing cover is threadedly connected with the outer surface of the feeding pipe, and a pH detection probe and a concentration detector are arranged on the inner walls of the front and rear sides of the electrolysis barrel.

[0007] Preferably, the filtering assembly comprises a filtering barrel, the lower end of the filtering barrel is fixedly connected with the upper end of the base, the upper end of the filtering barrel is provided with a cover plate, the upper end of the cover plate is fixedly connected with a water inlet pipe in communication, the left and right sides of the cover plate are fixedly connected with clamping plates, and the clamping plates are connected with the filtering barrel through bolts.

[0008] Preferably, the lower end of the cover plate is fixedly provided with connecting plates on the left and right sides, the lower ends of the two connecting plates are fixedly connected with a filtering plate, and the outer surface of the filtering plate is abutted with the inner side wall of the filtering barrel.

[0009] Preferably, the upper end of the base is fixedly connected with a recovery barrel on the right side, the outer surface of the recovery barrel is fixedly connected with a water outlet pipe in communication on the right side, and the outer surface of the water outlet pipe is provided with a second electromagnetic valve.

[0010] Preferably, the rear of the filtering barrel is provided with a first pump machine, the lower end of the first pump machine is fixedly connected with the upper end of the base, the input end of the first pump machine is fixedly connected with a first conduit in communication, the front end of the first conduit is connected with the inside of the filtering barrel in communication, the output end of the first pump machine is fixedly connected with a second conduit in communication, and the front end of the second conduit is connected with the inside of the electrolytic barrel in communication.

[0011] Preferably, the rear of the electrolytic barrel is provided with a second pump machine, the lower end of the second pump machine is fixedly connected with the upper end of the base, the input end of the second pump machine is fixedly connected with a third conduit in communication, the front end of the third conduit is connected with the inside of the electrolytic barrel in communication, the output end of the second pump machine is fixedly connected with a fourth conduit in communication, and the front end of the fourth conduit is connected with the inside of the recovery barrel in communication.

[0012] Compared with the prior art, the nickel-containing wastewater recycling device has the following beneficial effects:

[0013] The first pump machine is used for conveying the filtered nickel-containing wastewater to the inside of the electrolytic barrel through the first conduit and the second conduit, under the power supply of the power supply, the nickel ions in the electrolytic tank are reduced to nickel metal deposition on the cathode electrode rod, when the nickel metal deposition on the cathode electrode rod needs to be recovered, the limiting plate is taken out from the inside of the first opening through the handle, then the electrode rod can be taken out, and then the nickel metal deposition can be removed from the surface of the cathode electrode rod, so that the nickel metal is recovered. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of another view of the utility model;

[0016] Figure 3Structure diagram of the first opening and the second opening in the utility model;

[0017] Figure 4 Structure diagram of the electrolysis assembly in the utility model;

[0018] Figure 5 Structure diagram of the electrolysis barrel in the utility model;

[0019] Figure 6 Structure diagram of the filter assembly in the utility model.

[0020] Reference signs in the drawing are:

[0021] 1, base; 2, control cabinet;

[0022] 3, filter assembly; 31, filter barrel; 32, cover plate; 33, water inlet pipe; 34, clamping plate; 35, connecting plate; 36, filter plate;

[0023] 4, electrolysis assembly; 41, electrolysis barrel; 42, first opening; 43, second opening; 44, limiting plate; 45, positioning plate; 46, handle; 47, power supply; 48, electrode rod; 49, storage box; 410, discharge pipe; 411, first electromagnetic valve; 412, feed pipe; 413, sealing cover; 414, concentration detector; 415, PH value detection probe;

[0024] 5, recovery barrel; 51, water outlet pipe; 52, second electromagnetic valve;

[0025] 6, first pump machine; 7, first conduit; 8, second conduit; 9, second pump machine; 10, third conduit; 11, fourth conduit. DETAILED DESCRIPTION

[0026] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0027] With reference to Figures 1-6As shown, a kind of nickel-containing wastewater recycling device, including base 1, the upper end front side of base 1 is provided with control cabinet 2, control cabinet 2 is electrically connected with power supply 47, concentration detector 414, PH value detection probe 415, first pump machine 6 and second pump machine 9, the upper end left side of base 1 is provided with filter assembly 3, the upper end middle part of base 1 is provided with electrolytic assembly 4, electrolytic assembly 4 includes electrolytic barrel 41, the lower end of electrolytic barrel 41 is fixedly connected with the upper end of base 1, the upper end middle part of electrolytic barrel 41 is through the first opening 42, the upper end front side of electrolytic barrel 41 is through the second opening 43, the inside of first opening 42 is equipped with limit plate 44, the upper end left and right sides of limit plate 44 are fixedly connected with positioning plate 45, when limit plate 44 is inserted into the inside of first opening 42, the front and back ends of two point plates are in abutment with the upper end of electrolytic barrel 41, to limit, the upper end of positioning plate 45 is fixedly connected with handle 46, the upper end middle part of limit plate 44 is provided with power supply 47, the lower end left and right sides of limit plate 44 are provided with electrode stick 48, the positive and negative poles of power supply 47 are connected with two electrode sticks 48 through wires respectively, one of two electrode sticks 48 is anode electrode stick 48, and the other is cathode electrode stick 48, wherein, oxidation reaction occurs on anode electrode stick 48, and oxygen is generated and discharged from the circular hole at the upper end of electrolytic barrel 41, nickel ions in wastewater are reduced to metallic nickel and deposited on the surface of cathode electrode stick 48 at the place where reduction reaction occurs on cathode electrode stick 48, therefore, the current provided by power supply 47 reduces nickel ions to metallic nickel, to realize the recovery of nickel, the inside of second opening 43 is provided with storage tank 49, the lower end of storage tank 49 is fixedly connected with discharge pipe 410, the outer surface of discharge pipe 410 is installed with first electromagnetic valve 411, the inside of storage tank 49 stores neutralizing agent, for adjusting the PH value of wastewater, by opening first electromagnetic valve 411, neutralizing agent can be added from the inside of storage tank 49 to the inside of electrolytic barrel 41, by opening sealing cover 413, neutralizing agent is supplemented to the inside of storage tank 49 through feed pipe 412, the upper end of storage tank 49 is fixedly connected with feed pipe 412, the outer surface upper end of feed pipe 412 is threadedly connected with sealing cover 413, the inner walls of the front and back sides of electrolytic barrel 41 are provided with PH value detection probe 415 and concentration detector 414 respectively, the upper end right side of base 1 is fixedly connected with recovery barrel 5, the outer surface right side of recovery barrel 5 is fixedly connected with water outlet pipe 51, the outer surface of water outlet pipe 51 is installed with second electromagnetic valve 52.

[0028] Referring to Figure 2 and Figure 6As shown, the filter assembly 3 comprises a filter barrel 31, the lower end of the filter barrel 31 is fixedly connected with the upper end of the base 1, the upper end of the filter barrel 31 is provided with a cover plate 32, the upper end of the cover plate 32 is fixedly communicated with a water inlet pipe 33, the left and right sides of the cover plate 32 are both fixedly connected with clamping plates 34, the clamping plates 34 are connected with the filter barrel 31 through bolts, by loosening the bolts, the cover plate 32 can be loosened, and then the cover plate 32 can be taken off from the upper end of the filter barrel 31, and then the filter plate 36 can be taken out from the inside of the filter barrel 31, and the filter plate 36 can be cleaned to prevent blockage, the lower end of the cover plate 32 is fixedly installed with connecting plates 35 on the left and right sides, the lower end of the two connecting plates 35 is fixedly connected with a filter plate 36, the outer surface of the filter plate 36 abuts against the inner side wall of the filter barrel 31, the rear of the filter barrel 31 is provided with a first pump 6, the lower end of the first pump 6 is fixedly connected with the upper end of the base 1, the input end of the first pump 6 is fixedly communicated with a first conduit 7, the front end of the first conduit 7 is communicated with the inside of the filter barrel 31, the output end of the first pump 6 is fixedly communicated with a second conduit 8, the front end of the second conduit 8 is communicated with the inside of an electrolysis barrel 41, the rear of the electrolysis barrel 41 is provided with a second pump 9, the lower end of the second pump 9 is fixedly connected with the upper end of the base 1, the input end of the second pump 9 is fixedly communicated with a third conduit 10, the front end of the third conduit 10 is communicated with the inside of the electrolysis barrel 41, the output end of the second pump 9 is fixedly communicated with a fourth conduit 11, the front end of the fourth conduit 11 is communicated with the inside of a recovery barrel 5.

[0029] The working principle and use process of the utility model are as follows: when in use, the nickel-containing wastewater is conveyed from the water inlet pipe 33 to the inside of the filter barrel 31, and the large particle substances and impurities are filtered out through the filter plate 36 arranged in the inside of the filter barrel 31, so as to reduce the burden of the subsequent treatment equipment, the filtered wastewater is conveyed to the inside of the electrolysis barrel 41 through the first pump 6, the first conduit 7 and the second conduit 8, when the wastewater enters the inside of the electrolysis barrel 41, the PH value detection probe 415 and the concentration detector 414 detect the wastewater, the PH value in the wastewater is detected through the PH value detection probe 415, then the signal is fed back to the control cabinet 2, after the control cabinet 2 receives the signal, the first electromagnetic valve 411 is controlled to be opened, the neutralizing agent in the storage box 49 is mixed with the wastewater, when the PH value reaches the set recommended value, the control cabinet 2 controls the first electromagnetic valve 411 to be closed, then the power supply 47 starts to supply power, along with the passing of the current, the nickel ions in the wastewater are reduced to nickel metal deposition on the cathode electrode stick 48, the anode electrode stick 48 occurs oxidation reaction, the generated oxygen is released from the circular hole arranged on the upper end of the electrolysis barrel 41, the nickel concentration information in the wastewater is acquired in real time through the concentration detector 414 and is fed back to the control cabinet 2, when the value of the nickel concentration is lower than the set value, the control cabinet 2 controls the power supply 47 to stop supplying power, that is, the treatment is considered to be completed, after the treatment is completed, the limiting plate 44 can be taken out from the first opening 42 through the handle 46, then the two electrode sticks 48 can be taken out, the nickel metal deposition on the surface of the cathode electrode stick 48 can be removed, so as to recover the nickel metal, the waste liquid in the inside of the electrolysis barrel 41 is conveyed into the recovery barrel 5 through the second pump 9, the third conduit 10 and the fourth conduit 11, the wastewater can be discharged from the water outlet pipe 51 by opening the second electromagnetic valve 52.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only the principles of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A nickel-containing wastewater recycling apparatus characterized by comprising: The utility model relates to a water purification device, including base (1), the upper end front side of base (1) is provided with control cabinet (2), the upper end left side of base (1) is provided with filter assembly (3), the upper end middle part of base (1) is provided with electrolytic assembly (4); Wherein, the electrolytic assembly (4) includes electrolytic bucket (41), the lower end of electrolytic bucket (41) is fixedly connected with the upper end of base (1), the upper end middle part of electrolytic bucket (41) is through and is equipped with first opening (42), the upper end front side of electrolytic bucket (41) is through and is equipped with second opening (43), the inside of first opening (42) is equipped with limiting plate (44), the upper end left and right sides of limiting plate (44) are fixedly connected with positioning plate (45), the upper end of positioning plate (45) is fixedly connected with handle (46), the upper end middle part of limiting plate (44) is provided with power supply (47), the lower end left and right sides of limiting plate (44) are provided with electrode stick (48), the inside of second opening (43) is provided with storage box (49), the lower end of storage box (49) is fixedly connected with discharge pipe (410), the outer surface of discharge pipe (410) is installed with first electromagnetic valve (411), the upper end of storage box (49) is fixedly connected with feeding pipe (412), the outer surface of feeding pipe (412) upper end is screwed with sealing cover (413), the inner wall of electrolytic bucket (41) front and back is provided with PH value detection probe (415) and concentration detector (414) respectively.

2. A nickel-containing wastewater recycling device according to claim 1, characterized in that: The filter assembly (3) includes a filter barrel (31), the lower end of the filter barrel (31) is fixedly connected with the upper end of the base (1), the upper end of the filter barrel (31) is provided with a cover plate (32), the upper end of the cover plate (32) is fixedly connected with a water inlet pipe (33), the left and right sides of the cover plate (32) are fixedly connected with clamping plates (34), and the clamping plates (34) are connected with the filter barrel (31) by bolts.

3. A nickel-containing wastewater recycling device according to claim 2, characterized in that: The lower end of the cover plate (32) is fixedly installed with connecting plates (35) on the left and right sides, the lower end of the two connecting plates (35) is fixedly connected with a filter plate (36), and the outer surface of the filter plate (36) abuts against the inner side wall of the filter barrel (31).

4. The nickel-containing wastewater recycling device according to claim 1, characterized in that: The upper end of the base (1) is fixedly connected with a recovery barrel (5) on the right side, the outer surface of the recovery barrel (5) is fixedly connected with a water outlet pipe (51) on the right side, and the outer surface of the water outlet pipe (51) is installed with a second electromagnetic valve (52).

5. A nickel containing wastewater recycling device according to claim 2, characterized in that: The rear of the filter barrel (31) is provided with a first pump (6), the lower end of the first pump (6) is fixedly connected with the upper end of the base (1), the input end of the first pump (6) is fixedly connected with a first conduit (7), the front end of the first conduit (7) is communicated with the inside of the filter barrel (31), the output end of the first pump (6) is fixedly connected with a second conduit (8), and the front end of the second conduit (8) is communicated with the inside of the electrolytic barrel (41).

6. A nickel containing wastewater recycling device according to claim 1, characterized in that: The rear of the electrolytic barrel (41) is provided with a second pump machine (9), the lower end of the second pump machine (9) is fixedly connected with the upper end of the base (1), the input end of the second pump machine (9) is fixedly communicated with a third conduit (10), the front end of the third conduit (10) is communicated with the inside of the electrolytic barrel (41), the output end of the second pump machine (9) is fixedly communicated with a fourth conduit (11), the front end of the fourth conduit (11) is communicated with the inside of the recovery barrel (5).

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