Galvanizing electroplating wastewater heavy metal adsorption device

Abstract

The utility model discloses a galvanization electroplating wastewater heavy metal adsorption device, which belongs to the technical field of electroplating wastewater treatment and comprises a reaction kettle, a bidirectional stirring component is arranged in the reaction kettle, a feeding pipe is arranged above one end of the reaction kettle, supporting legs are arranged at two ends below the reaction kettle, and a drainage pipe is arranged in the middle below the reaction kettle. By means of the bidirectional stirring assembly, bidirectional stirring reaction can be conveniently carried out on waste water and a capturing agent, the mixing efficiency is improved, the reaction kettle and a stirring component can be conveniently cleaned, and by means of the convenient switch assembly, the waste water and the capturing agent can be conveniently stirred and reacted. The reaction kettle can be conveniently opened, the interior of the reaction kettle and the stirring part can be cleaned and maintained, the filter assembly is arranged, waste water can be conveniently filtered, and the filter screen can be conveniently taken out to be cleaned and maintained.

Description

Technical Field

[0001] The utility model belongs to the technical field of electroplating wastewater treatment, and in particular relates to a heavy metal adsorption device for zinc electroplating wastewater. Background Art

[0002] The sources of electroplating wastewater include plated parts cleaning water, waste plating solution and other wastewater. The water quality and quantity of electroplating wastewater are related to factors such as the process conditions, production load, operation management and water use methods of electroplating production. The water quality of electroplating wastewater is complex and its composition is difficult to control. It contains heavy metal ions and cyanide such as chromium, cadmium, nickel, copper, zinc, gold, silver, etc. Some of them are highly toxic substances that are carcinogenic, teratogenic and mutagenic. The heavy metal ions in electroplating wastewater need to be removed before discharge.

[0003] Chinese patent application number 202123214326.9 discloses a device for removing heavy metals from electrogalvanized nickel wastewater, including a water tank, a reactor fixedly connected to the top of the water tank, the bottom of the reactor being connected to the inside of the water tank, a mounting plate fixedly connected to the top of the reactor by bolts, a drive motor installed on the top of the mounting plate, a reaction chamber provided inside the reactor, a stirring shaft provided inside the reaction chamber, the top of the stirring shaft passing through the mounting plate and being transmission-connected to the output shaft of the drive motor, stirring blades fixedly connected on both sides of the stirring shaft, and a scraping mechanism provided at the bottom of the stirring blades. The utility model drives the stirring blades on the stirring shaft to rotate by the driving motor, which can fully mix the wastewater and the capture agent and accelerate the generation of the precipitate. The scraping mechanism on the stirring shaft is driven to rotate by the driving motor, and the first scraper can scrape off the flocculent precipitate adsorbed on the inner wall of the reaction chamber, so that the precipitate can be quickly and fully discharged from the reaction chamber.

[0004] The above-mentioned disclosed patent has the following characteristics: 1. When in use, a single stirring rod is used for stirring and mixing to accelerate the formation of sediment, but the stirring and mixing efficiency is low during use, and it is inconvenient to clean and maintain the interior of the reactor and the stirring components; 2. When in use, the filter screen is cleaned by pushing the scraper to move, but when in use, there are openings at both ends of the water tank, which easily causes water to splash out, making the filtering structure less practical. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a heavy metal adsorption device for zinc plating and electroplating wastewater, which is convenient for bidirectional stirring reaction of wastewater and scavenger, improves the mixing efficiency, and can easily clean the reactor and stirring parts, facilitates filtration of wastewater, and can easily remove the filter screen for cleaning and maintenance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heavy metal adsorption device for galvanizing and electroplating wastewater, comprising a reactor, a two-way stirring assembly is arranged inside the reactor, a feeding pipe is arranged above one end of the reactor, support legs are arranged at both ends below the reactor, a drain pipe is arranged in the middle below the reactor, an electromagnetic discharge valve is arranged in the middle of the drain pipe, and a filter assembly is arranged below the drain pipe.

[0007] Preferably, the bidirectional stirring assembly includes a stirring rod 1, a stirring blade 1, a connecting gear 1, a stirring motor, a connecting gear 2, a stirring rod 2, a stirring blade 2, a convenient switch assembly and a supporting seat, wherein a supporting seat is provided above the reactor, a connecting gear 1 is provided inside the supporting seat, a stirring rod 1 is provided at one end of the connecting gear 1, a stirring motor is provided at the other end of the connecting gear 1, stirring blade 1 is provided on both sides of the stirring rod 1, a connecting gear 2 is meshed and connected to one side of the connecting gear 1, a stirring rod 2 is provided at one end of the connecting gear 2, stirring blade 2 is provided on both sides of the stirring rod 2, and a convenient switch assembly is provided on one side of the supporting seat.

[0008] Preferably, the convenient switch assembly includes a lifting seat, a trapezoidal screw, a lifting plate and a turning handle, wherein a lifting seat is provided on one side of the reactor, a trapezoidal screw is provided inside the lifting seat, the surface of the trapezoidal screw is threadedly connected to the lifting plate, and a turning handle is provided at one end of the trapezoidal screw.

[0009] Preferably, a protective cover is provided on the top of the stirring motor, and a heat dissipation hole is opened on the top of the protective cover.

[0010] Preferably, the filter assembly includes a filter box, a disassembly and assembly seat, a filter screen, an adsorption screen, a sealing cover and a limiting rod, wherein a filter box is provided below the drain pipe, a disassembly and assembly seat is provided inside the filter box, a filter screen is provided inside the disassembly and assembly seat, an adsorption screen is abutted against the bottom of the filter screen, a sealing cover is provided on one side of the filter box, and a limiting rod is inserted above the sealing cover.

[0011] Preferably, an anti-lost rope is provided at one end of the limiting plug rod, and a reinforcing rod is symmetrically provided above the filter box.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model realizes the bidirectional stirring reaction of wastewater and capture agent by setting a bidirectional stirring component, improves the mixing efficiency, and can conveniently clean the reactor and stirring parts. The bidirectional stirring improves the stirring and mixing efficiency, and the convenient switch component can be used to easily open the reactor and clean and maintain the interior of the reactor and the stirring part.

[0014] 2. The utility model realizes the effect of facilitating the filtration of wastewater by setting up a filter assembly, and can conveniently remove the filter net for cleaning and maintenance. The structure can quickly disassemble and assemble the filter net and the adsorption net for cleaning or replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model cut from the main view;

[0017] Figure 3 This is a schematic structural diagram of the bidirectional stirring assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the convenient switch assembly of the utility model;

[0019] Figure 5 This is a schematic structural diagram of the filter assembly of the present invention.

[0020] In the figure: 1. Reactor; 2. Bidirectional stirring assembly; 21. Stirring rod 1; 22. Stirring blade 1; 23. Connecting gear 1; 24. Stirring motor; 25. Connecting gear 2; 26. Stirring rod 2; 27. Stirring blade 2; 28. Convenient switch assembly; 29. ​​Support seat; 281. Lifting seat; 282. Trapezoidal screw; 283. Lifting plate; 284. Turning handle; 3. Feeding pipe; 4. Support leg; 5. Drain pipe; 6. Solenoid discharge valve; 7. Filter assembly; 71. Filter box; 72. Disassembly and assembly seat; 73. Filter screen; 74. Adsorption screen; 75. Sealing cover; 76. Limiting rod. 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] Example 1

[0023] See also Figure 1-5The utility model provides the following technical solutions: a heavy metal adsorption device for galvanizing and electroplating wastewater, comprising a reactor 1, a two-way stirring assembly 2 is arranged inside the reactor 1, a feeding pipe 3 is arranged above one end of the reactor 1, supporting legs 4 are arranged at both ends below the reactor 1, a drain pipe 5 is arranged in the middle below the reactor 1, an electromagnetic discharge valve 6 is arranged in the middle of the drain pipe 5, and a filter assembly 7 is arranged below the drain pipe 5.

[0024] Specifically, the bidirectional stirring assembly 2 includes a stirring rod 21, a stirring blade 22, a connecting gear 23, a stirring motor 24, a connecting gear 25, a stirring rod 26, a stirring blade 27, a convenient switch assembly 28 and a supporting seat 29, wherein a supporting seat 29 is provided above the reactor 1, and a connecting gear 23 is provided inside the supporting seat 29, one end of the connecting gear 23 is provided with a stirring rod 21, the other end of the connecting gear 23 is provided with a stirring motor 24, stirring blades 22 are provided on both sides of the stirring rod 21, one side of the connecting gear 23 is meshed with the connecting gear 25, one end of the connecting gear 25 is provided with a stirring rod 26, stirring blades 27 are provided on both sides of the stirring rod 26, and a convenient switch assembly 28 is provided on one side of the supporting seat 29.

[0025] By adopting the above technical solution, the stirring motor 24 is started, and the stirring motor 24 drives the stirring rod 1 21 and the stirring blade 1 22 to rotate, and at the same time drives the connecting gear 1 23 to rotate. The rotation of the connecting gear 1 23 drives the connecting gear 2 25 to rotate. The rotation of the connecting gear 2 25 drives the stirring rod 2 26 and the stirring blade 2 27 to rotate in the opposite directions of the stirring rod 1 21 and the stirring blade 1 22, thereby realizing two-way stirring. When the device is in use, it is convenient to carry out a two-way stirring reaction on the wastewater and the capture agent, thereby improving the mixing efficiency.

[0026] Specifically, the convenient switch assembly 28 includes a lifting seat 281, a trapezoidal screw rod 282, a lifting plate 283 and a turning handle 284, wherein a lifting seat 281 is provided on one side of the reactor 1, a trapezoidal screw rod 282 is provided inside the lifting seat 281, the surface of the trapezoidal screw rod 282 is threadedly connected to the lifting plate 283, and a turning handle 284 is provided at one end of the trapezoidal screw rod 282.

[0027] By adopting the above technical solution, when the interior of the stirring part and the reactor 1 needs to be cleaned and maintained, the handle 284 is turned, and the rotation of the handle 284 drives the trapezoidal screw 282 to rotate, and the rotation of the trapezoidal screw 282 drives the lifting plate 283 to move, thereby lifting the supporting seat 29, and the interior of the stirring part and the reactor 1 can be cleaned and maintained.

[0028] Specifically, a protective cover is provided on the top of the stirring motor 24, and a heat dissipation hole is opened on the top of the protective cover.

[0029] By adopting the above technical solution, the protective cover can protect the stirring motor 24, and the heat dissipation holes can facilitate the discharge of heat in the protective cover.

[0030] When this embodiment is in use: start the stirring motor 24, the stirring motor 24 drives the stirring rod 1 21 and the stirring blade 1 22 to rotate, and at the same time drives the connecting gear 1 23 to rotate, the rotation of the connecting gear 1 23 drives the connecting gear 2 25 to rotate, and the rotation of the connecting gear 2 25 drives the stirring rod 2 26 and the stirring blade 2 27 to rotate in the opposite direction of the stirring rod 1 21 and the stirring blade 1 22, thereby realizing two-way stirring, so that when the device is in use, it is convenient to carry out a two-way stirring reaction of wastewater and the capture agent, thereby improving the mixing efficiency. When the interior of the stirring part and the reactor 1 needs to be cleaned and maintained, the handle 284 is turned, and the rotation of the handle 284 drives the trapezoidal screw 282 to rotate, and the rotation of the trapezoidal screw 282 drives the lifting plate 283 to move, thereby raising the supporting seat 29, and the interior of the stirring part and the reactor 1 can be cleaned and maintained.

[0031] Example 2

[0032] The difference between this embodiment and embodiment 1 is that: specifically, the filter assembly 7 includes a filter box 71, a disassembly and assembly seat 72, a filter screen 73, an adsorption screen 74, a sealing cover 75 and a limiting plug rod 76, wherein a filter box 71 is provided below the drain pipe 5, a disassembly and assembly seat 72 is provided inside the filter box 71, a filter screen 73 is provided inside the disassembly and assembly seat 72, an adsorption screen 74 is abutted below the filter screen 73, a sealing cover 75 is provided on one side of the filter box 71, and a limiting plug rod 76 is inserted above the sealing cover 75.

[0033] By adopting the above technical solution, the wastewater treated by adsorption enters the filter box 71, is filtered through the filter screen 73, is further adsorbed by the adsorption screen 74, and is then discharged. When it is necessary to clean the filter screen 73 or replace the adsorption screen 74, the limit plug 76 is pulled to disengage it from the limit plug hole above the sealing cover 75, and then the sealing cover 75 can be pulled to pull out the disassembly seat 72, and the filter screen 73 can be cleaned or the adsorption screen 74 can be replaced, so that the device is convenient for filtering wastewater when in use, and the filter screen 73 can be conveniently taken out for cleaning and maintenance.

[0034] Specifically, an anti-lost rope is provided at one end of the limiting plug rod 76 , and reinforcing rods are symmetrically provided above the filter box 71 .

[0035] By adopting the above technical solution and setting the anti-lost rope, the limit rod 76 can be prevented from being lost, and the reinforcing rod can strengthen the strength of the connection to the filter box 71.

[0036] When this embodiment is in use: the wastewater that has been adsorbed and treated enters the filter box 71, is filtered through the filter screen 73, is further adsorbed by the adsorption screen 74, and is then discharged. When it is necessary to clean the filter screen 73 or replace the adsorption screen 74, the limiting plug rod 76 is pulled to disengage it from the limiting plug hole above the sealing cover 75, and then the sealing cover 75 can be pulled to pull out the disassembly seat 72, and the filter screen 73 can be cleaned or the adsorption screen 74 can be replaced, so that the device is convenient for filtering wastewater when in use, and the filter screen 73 can be conveniently taken out for cleaning and maintenance.

[0037] The structure and use principle of the reactor 1 and the electromagnetic discharge valve 6 in the utility model have been disclosed in a heavy metal removal device for electroplating zinc-nickel wastewater disclosed in Chinese patent application No. 202123214326.9. Its working principle is that by opening the electromagnetic discharge valve 6, the adsorbed wastewater can be discharged.

[0038] The working principle and use process of the present invention: The present invention is used for adsorption treatment of electroplating wastewater. When in use, the wastewater and the capture agent are introduced into the reactor 1 through the feeding pipe 3, and the two-way stirring component 2 is used to stir and mix them, so that the heavy metals in the wastewater are adsorbed. The electromagnetic discharge valve 6 is opened, and the wastewater is filtered through the filter component 7 and then discharged. When the two-way stirring component 2 is in use, the stirring motor 24 is started, and the stirring motor 24 drives the stirring rod 1 21 and the stirring blade 1 22 to rotate, and at the same time drives the connecting gear 1 23 to rotate. The rotation of the connecting gear 1 23 drives the connecting gear 2 25 to rotate. The rotation of the connecting gear 2 25 drives the stirring rod 2 26 and the stirring blade 2 27 to rotate in the opposite direction of the stirring rod 1 21 and the stirring blade 1 22, thereby realizing two-way stirring, so that the device is convenient for two-way stirring reaction of the wastewater and the capture agent when in use, and provides The mixing efficiency is high. When the interior of the stirring part and the reactor 1 needs to be cleaned and maintained, the handle 284 is turned, and the rotation of the handle 284 drives the trapezoidal screw 282 to rotate, and the trapezoidal screw 282 rotates and drives the lifting plate 283 to move, thereby raising the supporting seat 29, and the interior of the stirring part and the reactor 1 can be cleaned and maintained. When the filter assembly 7 is in use, the adsorbed treated wastewater enters the filter box 71, is filtered through the filter screen 73, and is further adsorbed by the adsorption screen 74, and then discharged. When the filter screen 73 needs to be cleaned or the adsorption screen 74 needs to be replaced, the limiting plug rod 76 is pulled to disengage it from the limiting plug hole above the sealing cover 75, and then the sealing cover 75 can be pulled to pull the disassembly seat 72 out, and the filter screen 73 can be cleaned or the adsorption screen 74 can be replaced, so that the device is convenient for filtering wastewater when in use, and the filter screen 73 can be conveniently taken out for cleaning and maintenance.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for adsorbing heavy metals from zinc plating and electroplating wastewater, comprising a reactor, characterized in that: A two-way stirring assembly is provided inside the reactor, a feeding pipe is provided above one end of the reactor, support legs are provided at both ends below the reactor, a drain pipe is provided in the middle below the reactor, an electromagnetic discharge valve is provided in the middle of the drain pipe, and a filter assembly is provided below the drain pipe.

2. The device for adsorbing heavy metals from zinc plating and electroplating wastewater according to claim 1, characterized in that: The bidirectional stirring assembly includes a stirring rod 1, a stirring blade 1, a connecting gear 1, a stirring motor, a connecting gear 2, a stirring rod 2, a stirring blade 2, a convenient switch assembly and a supporting seat, wherein a supporting seat is provided above the reactor, a connecting gear 1 is provided inside the supporting seat, a stirring rod 1 is provided at one end of the connecting gear 1, a stirring motor is provided at the other end of the connecting gear 1, stirring blade 1 is provided on both sides of the stirring rod 1, a connecting gear 2 is meshed and connected to one side of the connecting gear 1, a stirring rod 2 is provided at one end of the connecting gear 2, stirring blade 2 is provided on both sides of the stirring rod 2, and a convenient switch assembly is provided on one side of the supporting seat.

3. The device for adsorbing heavy metals from zinc plating and electroplating wastewater according to claim 2, characterized in that: The convenient switch assembly includes a lifting seat, a trapezoidal screw, a lifting plate and a turning handle, wherein a lifting seat is provided on one side of the reactor, a trapezoidal screw is provided inside the lifting seat, the surface of the trapezoidal screw is threadedly connected to the lifting plate, and a turning handle is provided at one end of the trapezoidal screw.

4. The device for adsorbing heavy metals from zinc plating and electroplating wastewater according to claim 2, characterized in that: A protective cover is provided above the stirring motor, and a heat dissipation hole is provided above the protective cover.

5. The device for adsorbing heavy metals from zinc plating and electroplating wastewater according to claim 1, characterized in that: The filter assembly includes a filter box, a disassembly and assembly seat, a filter screen, an adsorption screen, a sealing cover and a limit rod, wherein a filter box is arranged below the drain pipe, a disassembly and assembly seat is arranged inside the filter box, a filter screen is arranged inside the disassembly and assembly seat, an adsorption screen is abutted against the bottom of the filter screen, a sealing cover is arranged on one side of the filter box, and a limit rod is inserted above the sealing cover.

6. The device for adsorbing heavy metals from zinc plating and electroplating wastewater according to claim 5, characterized in that: One end of the limiting plug rod is provided with an anti-lost rope, and a reinforcing rod is symmetrically provided above the filter box.

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