CN217709128U - Heavy metal wastewater purifying and recycling device - Google Patents

Abstract

The utility model discloses a heavy metal wastewater purifies and retrieval and utilization device, include: the electrolytic cell is connected with the metal waste liquid to be treated, and the cathode plate adsorbs target ions in the water; the nano machine is used for introducing nano bubbles into the water in the electrolytic cell; and the ion exchanger is connected to the waste liquid output after electrolysis of the electrolytic cell and is used for adsorbing the target ions in the waste liquid again. The utility model discloses choose for use pH to adjust + electrolytic treatment + micro-nano processing + precipitation equipment + ion exchange equipment's processing technology, this process scheme mainly leads to nano-electrolysis combined treatment technique and special ion exchange resin to combine together and handles waste liquid waste water, and convenient operation is simple, and the maintenance cost is low, and technology is stable, and the treatment effect is good, and can effectively retrieve nickel, copper metal, and the rate of recovery is not less than 95%. The utility model discloses the design that integrates has still been adopted to can be according to the waste liquid treatment demand in order to satisfy different places of actual demand quick travel.

Description

Heavy metal wastewater purifying and recycling device

Technical Field

The utility model relates to a metal waste liquid treatment facility especially relates to a heavy metal waste water purifies and retrieval and utilization device.

Background

The treatment of the high-concentration heavy metal waste liquid (wastewater) is always a relatively headache problem for enterprises, and particularly for electroplating enterprises, the treatment cost of the waste liquid can reach about 1/3 of the manufacturing cost. And heavy metals have great harm to soil and human bodies, and the entrusted treatment price of the high-concentration nickel wastewater is about 6000 yuan per ton, so that the problem of high cost is caused to enterprises. And the general entrusted treatment price of the waste water is about several hundred RMB/ton, so if the high-concentration heavy metal waste liquid can be treated into the general waste water, the manufacturing cost of enterprises can be greatly reduced.

The applicant discovers through research that metal ions carry positive charges and can completely adsorb the metal ions in liquid through an electrolytic mode, so that the concentration of the metal ions in the heavy metal waste liquid is greatly reduced, and the high-concentration metal waste liquid can reach the standard of common waste water by being treated with proper ion exchange resin, therefore, the utility model discloses in provide a heavy metal waste water purification and recycling device for realize above functions.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a heavy metal waste water purifies and retrieval and utilization device is provided, it can become ordinary waste water standard with high concentration heavy metal waste liquid treatment.

In order to achieve the above object, the utility model provides a heavy metal wastewater purifies and retrieval and utilization device, include:

the electrolytic tank is connected with the metal waste liquid to be treated, and the cathode plate adsorbs target ions in water;

the nano machine is used for introducing nano bubbles into the water in the electrolytic cell;

and the ion exchanger is connected into the waste liquid output by the electrolytic cell after electrolysis and is used for adsorbing the target ions in the waste liquid again.

As the utility model discloses a further improvement still includes DC power supply and automatically controlled cabinet case, and DC power supply and automatically controlled cabinet incasement are built-in to the DC power supply of each consumer power supply and control device of controlling each electrical equipment.

As the utility model discloses a further improvement still installs ion concentration detector in ion exchanger's output pipeline, and ion concentration detector is used for surveying the concentration of target ion.

As a further improvement of the utility model, the electrolytic cell, the nano-machine and the ion exchanger are respectively and directly or indirectly arranged in the outer box, at least two sides of the outer box are provided with the door frames, and each door frame is sealed by the door plate of a door plate mechanism.

As a further improvement of the present invention, the door panel mechanism further comprises an articulated piece with one end mounted on the door panel, the other end of the articulated piece is provided with an articulated plate, the articulated plate is respectively provided with a first shaft body and a second shaft body, and the first shaft body and the second shaft body are respectively clamped into a first guide groove and slidably assembled with the first guide groove; the first guide groove is formed in the door seat, the door seat is installed in the outer box, a second guide groove with one end communicated with the first guide groove is further formed in the door seat, and the second shaft body can be clamped in the second guide groove and can be assembled with the second guide groove in a sliding mode;

the second shaft body is hinged to one end of the first connecting rod, the other end of the first connecting rod is hinged to one end of the second connecting rod through the third shaft body, the second connecting rod is installed on the fourth shaft body in a non-circumferential-rotation mode, the fourth shaft body is assembled with the door seat in a circumferential-rotation mode, the fourth shaft body is further assembled with one end of the third connecting rod in a non-circumferential-rotation mode, the other end of the third connecting rod is hinged to a cylinder shaft of the cylinder, a shell of the cylinder is hinged to the rotating shaft seat, and the rotating shaft seat is installed in the outer box.

As a further improvement, the door plate is provided with a door plate protrusion, and the door plate protrusion can be clamped into the door frame to seal the door frame.

As a further improvement, each door panel corresponds to two articulated elements, a second shaft body and a fourth shaft body shared by the two articulated elements.

As a further improvement of the utility model, the electrolytic bath, the nano-machine and the ion exchanger are respectively arranged on different mounting frames, the mounting frames are fixedly assembled with the fixing frames, and the fixing frames are fixed in the outer box; the mounting bracket is mounted on the fixing bracket through a plurality of first bolts.

As a further improvement of the utility model, the bottom of the electrolytic cell, the nano-machine and the ion exchanger are respectively provided with a supporting leg, the supporting frame is provided with a supporting plate, and the second bolt fixes the supporting plate on the mounting frame.

As a further improvement of the utility model, an acceleration sensor and a detection assembly are installed on the inner side of the mounting seat, the detection assembly comprises a base plate installed on the second bolt, a short shaft is installed on the base plate, the short shaft is installed in a detection sleeve and assembled with the detection sleeve in an axial sliding manner, the detection sleeve is installed on a fixing plate, a sliding ring is installed in the detection sleeve in an axial sliding manner, the sliding ring is sleeved on one end of a touch-pressure shaft and tightly pressed with the short shaft, the other end of the touch-pressure shaft penetrates through a fixing ring and is assembled with a limiting ring, the end of the touch-pressure shaft is attached to a strain gage or is close to the strain gage, and a signal of the strain gage is connected to an industrial personal computer through a data line; the fixed plate is arranged on the mounting seat, and the fixed ring is fixed in the detection sleeve; the part of the contact pressure shaft between the slip ring and the fixed ring is sleeved with a spring, and the spring applies elastic force far away from the fixed ring to the slip ring.

The utility model has the advantages that:

the utility model discloses

1. The utility model discloses choose for use pH to adjust + electrolysis processing + micro-nano processing + precipitation equipment + ion exchange equipment's processing technology, this process scheme is mainly that it handles waste liquid waste water to lead to the combination of nano-electrolysis combined treatment technique and special ion exchange resin, and convenient operation is simple, and the maintenance cost is low, and stable in process, the treatment effect is good, and can effectively retrieve nickel, copper metal, and the rate of recovery is not less than 95%.

2. The utility model discloses the design that integrates has still been adopted to can be according to the waste liquid treatment demand of actual demand quick travel in order to satisfy different places, this is just so feasible the utility model discloses very nimble can walk between the waste liquid treatment factory of difference, also satisfy the waste liquid simultaneously and need store the actual need of back centralized processing, consequently have higher economic value and market real suitability.

Drawings

FIG. 1 is a block diagram showing the structure of the first embodiment;

FIG. 2 is a block diagram of the operation of the first embodiment;

FIG. 3 is a schematic structural view of the second embodiment;

FIG. 4 is a schematic structural view of the second embodiment;

FIG. 5 is a schematic structural view of the second embodiment;

FIG. 6 is a schematic structural view of the second embodiment;

FIG. 7 is a schematic view of the door seat 140;

fig. 8 is a schematic structural view of the fixing base 120;

FIG. 9 is a cross-sectional view of mount 130 at a center plane of the axis of mounting bolt 520;

fig. 10 is an enlarged view of fig. 9 at a.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1, a heavy metal wastewater purifies and retrieval and utilization device includes:

an electrolytic bath, which is connected with the metal waste liquid to be treated, and adsorbs target ions (heavy metal ions or radioactive metal ions) in the water by a negative plate to carry out primary purification of the target ions;

the nano machine is used for introducing nano bubbles into the water in the electrolytic cell so as to increase the activity of target ions and increase the adsorption efficiency of the target ions;

the ion exchanger is connected to the waste liquid output by the electrolysis of the electrolytic cell and is used for adsorbing the target ions in the waste liquid again, so that the concentration of the target ions in the waste liquid is further reduced;

the direct current power supply and the electric control cabinet box are internally provided with the direct current power supply for supplying power to each electric device and a control device for controlling each electric device, such as a PLC, an interface board, a network module and the like. The control box can be integrated with a direct current power supply and other necessary auxiliary devices, and can also be integrated with an alternating current power supply, so as to supply power to equipment needing to use alternating current.

This embodiment still installs ion concentration detector in ion exchanger's output pipeline, surveys the concentration of target ion through ion concentration detector during the use to judge whether waste liquid treatment effect and ion exchanger need the back flush.

Referring to fig. 2, the operation of the present embodiment is substantially as follows:

s1, introducing high-concentration metal waste liquid into an electrolytic cell, and carrying out electrolytic reaction to enable target ions in the waste liquid to be adsorbed on a negative plate; in the electrolytic process, acid is added or added to the electrolytic cell to adjust the pH of the waste liquid, and the pH is controlled to be 7.5-8.5 generally.

And S2 and S1, introducing nano bubbles of about 10 nanometers into the liquid in the electrolytic cell through a nano machine while electrolyzing, so as to increase the activity of target ions.

And S3, introducing the waste liquid into an ion exchanger after the waste liquid reaches a preset discharge standard (the electrolysis time is reached, the target ion reaches a preset concentration and the like) in the electrolytic cell, and carrying out adsorption treatment on the target ion again through the ion exchanger until the concentration of the target ion reaches the preset standard and then discharging.

And S4, detecting the concentration of target ions in the waste liquid discharged by the ion exchanger in the S3 by using an ion concentration detector, judging that the ion exchanger needs backwashing once the concentration of the target ions reaches a preset threshold value, stopping inputting the waste liquid into the electrolytic tank at the moment, closing a drain valve of the ion exchanger, opening a backwashing valve of the ion exchanger, inputting backwashing liquid into the backwashing valve, and backwashing the interior of the ion exchanger by using the backwashing liquid to flow into the electrolytic tank for subsequent secondary purification. And after the flushing is finished, opening a drain valve and closing a back flushing valve in the flushing process, and repeating the steps S1-S4. The design mainly considers that the exchange resin of the ion exchanger needs back flushing after the ion exchanger is used for a certain time, otherwise, the treatment effect is influenced, and the full-automatic treatment can be realized by setting an automatic program, so that the maintenance cost is greatly reduced, and the treatment efficiency is improved.

The prototype of this embodiment also performed a performance test using a nickel ion chemical plating waste solution as an example, and the monitoring parameters after treatment by the electrolytic cell are shown in the following table:

TABLE 1

As can be seen from Table 1, after 8 hours of electrolysis, the pH value is controlled to be about 8, so that the concentration of nickel ions can be greatly reduced, and the high-concentration nickel ion waste liquid is directly converted into the low-concentration nickel ion waste liquid close to the discharge mark. And nickel ion adsorbs on the negative plate, when adsorbing thickness and reaching and predetermineeing the requirement, can take out the negative plate and retrieve nickel, and nickel is expensive metal relatively, consequently can increase the income of enterprise through the mode of retrieving, and still reduced nickel ion concentration in the waste liquid simultaneously, just also reduced the degree of difficulty of follow-up waste liquid treatment to reduce waste liquid treatment cost.

Table 2 is a nickel ion concentration table of 550mg/L nickel ion waste liquid after being processed by the ion exchanger, detected from the liquid discharge port of the ion exchanger:

TABLE 2

As can be seen from table 2, the waste liquid after ion exchanger treatment has reached the standard of ordinary waste water, consequently can handle according to ordinary waste water, and its waste water treatment cost is close 10 times than the treatment cost difference of high concentration nickel waste water, consequently greatly reduced the enterprise to the processing burden of nickel waste water.

Example two

Because the waste liquid generally is case storage to a certain amount after centralized processing, consequently will the utility model relates to it is necessary to remove, can adapt to different memory site, on the other hand so and can not cause and idle, because can remove the processing at this different memory site to the shakeout cost, increase profit. The following design is made for this embodiment:

referring to fig. 2 to 10, the electrolytic cell 910, the nano-meter 920, the ion exchanger 930, the dc power supply and the electric control cabinet 940 are respectively and directly or indirectly installed in the outer box 110, the outer box 110 is provided with door frames 111 on at least two sides, and each door frame 111 is closed by a door panel 310 of a door panel mechanism 300. When the door panel 310 is not opened, the outer case 110 can be regarded as a container, and thus transportation is very convenient. When the destination is reached, the door panel 310 is directly opened, and the pipeline, the power supply and the like can be connected, so that the device is put into use.

The door panel mechanism 310 comprises a hinge 320 with one end mounted on the door panel 310, the door panel 310 is further provided with a door panel protrusion 311, and the door panel protrusion 311 can be clamped into the door frame 111 to close the door frame 111; a hinge plate 321 is arranged at the other end of the hinge member 320, a first shaft body 410 and a second shaft body 420 are respectively mounted on the hinge plate 321, and the first shaft body 410 and the second shaft body 420 are both clamped into the first guide groove 141 and slidably assembled with each other; the first guide groove 141 is disposed on the door seat 140, the door seat 140 is installed in the outer box 110, the door seat 140 is further provided with a second guide groove 142 having one end communicated with the first guide groove 141, and the second shaft 420 can be inserted into the second guide groove 142 and slidably assembled therewith. In the process of the door panel 310 from the closed state to the open state, the hinge plate 321 carries the first shaft 410 and the second shaft 420 to move along the first guide groove 141, so that the door panel protrusion 311 moves out of the door frame 111 until the first shaft 410 is pressed against the end of the first guide groove 141, at this time, the first shaft 410 cannot move continuously, and the second shaft 420 enters the second guide groove 142; then the hinge 320 rotates around the first shaft 410, so that the second shaft 420 moves along the second guide slot 142 to be closely attached to the end of the second guide slot 142, in this process, the hinge 320 drives the door panel 310 to rotate upwards around the first shaft 410 until the door panel 310 is in a horizontal state (opening 90 °) or close to the horizontal state, at this time, the door panel does not shield the door frame on one hand, thereby affecting the operation, and on the other hand, the door panel forms an effect similar to a balcony, thereby preventing rainwater from falling into the door frame to prevent rainwater from affecting the devices in the outer box.

The second shaft body 420 is hinged to one end of the first connecting rod 331, the other end of the first connecting rod 331 is hinged to one end of the second connecting rod 332 through the third shaft body 430, the second connecting rod 332 is non-circumferentially rotatably mounted on the fourth shaft body 440, the fourth shaft body 440 is circumferentially rotatably assembled with the door seat 140, the fourth shaft body 440 is further non-circumferentially rotatably assembled with one end of the third connecting rod 360, the other end of the third connecting rod 360 is hinged to a cylinder shaft of the cylinder 340, a housing of the cylinder 340 is hinged to the rotating shaft seat 350, and the rotating shaft seat 350 is mounted in the outer box 110. During the use, can drive fourth axis body 440 and rotate through cylinder 340 driver cylinder axle is flexible, and fourth axis body 440 passes through second connecting rod 332 drive first connecting rod 331, and first connecting rod 331 drives articulated elements 320 along first guide slot 141, the operation of second guide slot 142 to the switching of realization door plant. The cylinder has a self-locking function, and the cylinder shaft cannot axially move as long as the air pressure is kept after the door is opened, so that the door plate can be stably opened and supported.

Preferably, each door panel 310 corresponds to two hinges 320, and the two hinges 320 share one second shaft body 420 and one fourth shaft body 440. This kind of design makes the switching of door plant 310 more stable on the one hand, and on the other hand also improves the smooth and easy degree of door plant switching.

Preferably, because in practical use, the electrolytic cell, the nano machine, the ion exchanger, the dc power supply and the electronic control cabinet need to be selected according to different waste liquid conditions, in order to improve the adaptability of the outer box, in this embodiment, the electrolytic cell, the nano machine, the ion exchanger, the dc power supply and the electronic control cabinet are respectively mounted on different mounting frames 130, the mounting frames 130 are fixedly assembled with the fixing frame 120, and the fixing frame 120 is fixed in the outer box 110. Therefore, even if the electrolytic cells, the nano-machines, the ion exchanger, the direct-current power supply and the electric control cabinet box with different shapes and sizes exist, only the mounting frame 130 needs to be replaced, and the mounting frame 130 and the fixing frame 120 can adopt standardized design, so that the replacement, the installation and the combination of the equipment with different shapes and sizes are greatly facilitated.

The mounting frame 130 is mounted on the fixing frame 120 through a plurality of first bolts 510, and the fixing frame 120 can be fixed in an outer box through welding and the like; supporting legs 950 are respectively installed at the bottom of the electrolytic cell, the nano machine, the ion exchanger, the direct current power supply and the electric control cabinet box, a supporting plate 951 is arranged on the supporting frame 950, and the supporting plate 951 is fixed on the mounting frame 130 through a second bolt 520, so that the electrolytic cell, the nano machine, the ion exchanger, the direct current power supply and the electric control cabinet box are fixed.

Preferably, because the utility model discloses in, there is the hard connection of pipeline between each equipment, consequently in case corresponding equipment takes place not hard up after the installation and then directly leads to the pipeline to be destroyed, the pipeline will cause the waste liquid to reveal in case of destroying, cause the pollution, whether consequently the installation of monitoring facilities is firm is just very important, acceleration sensor 610 has been installed in mount pad 130 inboard to this embodiment, in the time of the use, utilize acceleration sensor 610 to survey the vibration of mount pad, in case the vibration range reaches the procedure that preset threshold value then through setting up in advance, warn of equipment, if insert audible-visual annunciator with acceleration sensor 610, in case warn the threshold value greatly then report to the police through the audible-visual annunciator that every mount pad corresponds, operating personnel can carry out the fast overhaul this moment.

More preferably, since the electrolytic cell, the nano-machine, the ion exchanger, the dc power supply and the electric control cabinet are actually assembled with the mounting frame 130 by different second bolts 520, the mounting positions of the second bolts are narrow, and the number of the second bolts is large, so that once the second bolts become loose, a lot of time is consumed for maintenance and positioning, and according to the test, the second bolts directly bear the vibration of the equipment, and the probability of the loosening is very high. Therefore, the present embodiment further adds a detection assembly 700, and the detection assembly 700 is used to detect whether the corresponding second bolt 520 is loosened.

Referring to fig. 9-10, the detecting assembly 700 includes a base plate 610 mounted on the second bolt 520, a short shaft 620 is mounted on the base plate 610, the short shaft 620 is mounted in a detecting sleeve 720 and can be axially slidably assembled therewith, the detecting sleeve 720 is mounted on a fixing plate 710, a slip ring 740 is axially slidably mounted in the detecting sleeve 720, the slip ring 740 is sleeved on one end of a pressure shaft 750 and the slip ring 740 is pressed against the short shaft 620, the other end of the pressure shaft 750 passes through a fixing ring 730 and is assembled with a spacing ring 751, and the end of the pressure shaft 750 is attached to a strain gauge 820 or close to the strain gauge 820 (not pressed), and a signal of the strain gauge 820 is connected to the industrial personal computer through a data line 821; the fixing plate 710 is installed on the installation base 130, and the fixing ring 730 is fixed in the detection sleeve 720.

The portion of the contact pressure shaft 750 between the slip ring 740 and the fixing ring 730 is sleeved with a spring 810, and the spring 810 applies an elastic force to the slip ring 740 away from the fixing ring 730, so that the contact pressure shaft 750 does not press the strain gauge 820 in an initial state.

Once the second bolt is loosened and the mounting base is made to vibrate, the acceleration sensor detects a vibration value and a preset threshold value greatly, and then data of each strain gauge are detected. Because the equipment that the second bolt corresponds can carry the second bolt and carry out axial reciprocating motion, therefore minor axis 620 can be intermittent type nature to touching pressing shaft 750 and exert axial thrust so that touch pressing shaft 750 intermittent type nature extrusion foil gage 820, foil gage 820 receives the extrusion and to industrial computer output signal, only needs the industrial computer this moment to discern second bolt 520 that foil gage 820 corresponds can inform the maintainer to carry out quick location to in time overhaul. The strain gauge in this embodiment may be replaced with a micro switch, and theoretically, the strain gauge may transmit a signal of axial swing of the second bolt 520 to the industrial personal computer.

The details of the present invention are well known to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. The utility model provides a heavy metal waste water purifies and retrieval and utilization device which characterized in that includes:

the electrolytic cell is connected with the metal waste liquid to be treated, and the cathode plate adsorbs target ions in the water;

the nano machine is used for introducing nano bubbles into water in the electrolytic cell;

the ion exchanger is connected to the waste liquid output by the electrolytic cell after electrolysis and is used for adsorbing the target ions in the waste liquid again;

the metal waste liquid is connected into an electrolytic bath and is subjected to electrolytic reaction, so that target ions in the waste liquid are adsorbed on a negative plate; introducing nano bubbles into the liquid in the electrolytic cell through a nano machine during electrolysis; and introducing the waste liquid into an ion exchanger after the waste liquid reaches a preset discharge standard in the electrolytic cell, and carrying out adsorption treatment on the target ions again through the ion exchanger until the concentration of the target ions reaches the preset standard and then discharging.

2. The heavy metal wastewater purification and reuse apparatus according to claim 1, further comprising a dc power supply and an electric control cabinet, wherein the dc power supply and the electric control cabinet are internally provided with a dc power supply for supplying power to each electric device and a control device for controlling each electric device.

3. The apparatus for purifying and recycling heavy metal wastewater as claimed in claim 1, wherein an ion concentration detector is further installed in the output pipeline of the ion exchanger, and the ion concentration detector is used for detecting the concentration of target ions.

4. The heavy metal wastewater purification and reuse apparatus according to any one of claims 1 to 3, wherein said electrolytic cell, said nanomachines, and said ion exchanger are installed directly or indirectly in an outer box, and at least two sides of said outer box are installed with door frames, each door frame is closed by a door plate of a door plate mechanism.

5. The heavy metal wastewater purification and reuse apparatus according to claim 4, wherein said door panel mechanism further comprises a hinge member having one end mounted on the door panel, the other end of said hinge member is provided with a hinge plate, said hinge plate is respectively provided with a first shaft body and a second shaft body, said first shaft body and said second shaft body are both clamped in the first guide groove and slidably assembled with the first guide groove; the first guide groove is formed in the door seat, the door seat is installed in the outer box, a second guide groove with one end communicated with the first guide groove is further formed in the door seat, and the second shaft body can be clamped in the second guide groove and can be assembled with the second guide groove in a sliding mode;

the second shaft body is hinged to one end of the first connecting rod, the other end of the first connecting rod is hinged to one end of the second connecting rod through the third shaft body, the second connecting rod is installed on the fourth shaft body in a non-circumferential-rotation mode, the fourth shaft body is assembled with the door seat in a circumferential-rotation mode, the fourth shaft body is further assembled with one end of the third connecting rod in a non-circumferential-rotation mode, the other end of the third connecting rod is hinged to a cylinder shaft of the cylinder, a shell of the cylinder is hinged to the rotating shaft seat, and the rotating shaft seat is installed in the outer box.

6. The heavy metal wastewater purification and reuse apparatus according to claim 4, wherein said door panel further comprises a door panel protrusion, and said door panel protrusion can be inserted into said door frame to close said door frame.

7. The heavy metal wastewater purification and reuse apparatus of claim 5, wherein each door panel corresponds to two hinge elements, and the two hinge elements share one second shaft body and one fourth shaft body.

8. The heavy metal wastewater purification and reuse apparatus according to claim 4, wherein the electrolytic cell, the nano-machine, and the ion exchanger are respectively mounted on different mounting frames, and the mounting frames are assembled and fixed with the fixing frame, and the fixing frame is fixed in the outer box; the mounting rack is mounted on the fixing rack through a plurality of first bolts.

9. The heavy metal wastewater purification and recycling device of claim 8, wherein the bottom of the electrolytic cell, the bottom of the nano machine and the bottom of the ion exchanger are respectively provided with a supporting leg, the supporting frame is provided with a supporting plate, and the supporting plate is fixed on the mounting frame by a second bolt.

10. The heavy metal wastewater purification and reuse device according to claim 8, wherein an acceleration sensor and a detection assembly are installed inside the mounting seat, the detection assembly includes a base plate installed on the second bolt, a short shaft is installed on the base plate, the short shaft is installed in a detection sleeve and can be axially slidably assembled with the detection sleeve, the detection sleeve is installed on a fixed plate, a slip ring is axially slidably installed in the detection sleeve, the slip ring is sleeved on one end of a touch shaft and tightly pressed with the short shaft, the other end of the touch shaft penetrates through a fixed ring and is assembled with a limit ring, the end of the touch shaft is attached to a strain gauge or is close to the strain gauge, and a signal of the strain gauge is connected to the industrial personal computer through a data line; the fixed plate is arranged on the mounting seat, and the fixed ring is fixed in the detection sleeve; the part of the contact pressure shaft between the slip ring and the fixed ring is sleeved with a spring, and the spring applies elastic force far away from the fixed ring to the slip ring.

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