CN112174398A

CN112174398A - Device for removing heavy metal from sewage

Info

Publication number: CN112174398A
Application number: CN202011094309.3A
Authority: CN
Inventors: 刘亚东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-01-05

Abstract

The invention relates to the technical field of sewage treatment, in particular to a device for removing heavy metals from sewage, which comprises a filter box and an electrical repair box, wherein the left end and the right end of the electrical repair box are respectively and fixedly connected with an anode joint and a cathode joint, the anode joint and the cathode joint extend into the electrical repair box and are respectively connected with an anode plate and a cathode plate, the electrical repair box is symmetrically and fixedly connected with two first filter plates, one side of each first filter plate, which is close to the central plane of the electrical repair box, is provided with a cleaning structure, each cleaning structure comprises a sliding plate, the front side and the rear side of the top end of each sliding plate are respectively provided with a first through hole which longitudinally penetrates, the interiors of the two first through holes are respectively provided with a sliding rod in a sliding manner, and the top end and the bottom end of each sliding rod are respectively and; it can get rid of heavy metal in the sewage, has improved the efficiency of getting rid of, improves the quality after the sewage treatment, has improved the practicality of its use.

Description

Device for removing heavy metal from sewage

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a device for removing heavy metals from sewage.

Background

With the rapid development of the world economy and the rapid growth of the population, the problem of environmental pollution caused by domestic sewage and industrial wastewater in cities is becoming more serious, sewage and sludge are inevitable products in the sewage treatment process of sewage treatment plants, and the microbial method and the plant restoration method are widely used at present, wherein the microbial method and the plant restoration method have certain problems, such as unstable treatment effect, long bioleaching period and the like, so that the electrochemical treatment is adopted to degrade refractory organic matters or biological toxic pollutants, and the electrochemical treatment is widely used for wastewater treatment.

When the traditional electrochemical method in the prior art is used for treating heavy metals in sewage, at least the following technical problems are not solved: 1) the electrode is in direct contact with sewage, particles in the sludge easily damage the electrode, the use of equipment is influenced, if the filter screen is simply arranged, the filter screen is easily blocked by the sludge, and the manual replacement of the filter screen is time-consuming and labor-consuming; 2) because the sewage contains sludge, heavy metals contained in the sludge cannot be migrated well in the electric field, so that the heavy metals in the sewage cannot be completely removed, and the practicability of the sewage is reduced; 3) the existing device does not integrate a mechanism for further processing the sludge to further filter and recover the sludge, and if the device is simply added, the system is too complex and expensive.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the device for removing heavy metals from sewage, which can remove the heavy metals from the sewage, improve the removal efficiency, efficiently recover sludge, improve the quality of the sewage after treatment and improve the practicability of the device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a device for removing heavy metals from sewage comprises a filter box and an electrical repair box, wherein the left end and the right end of the electrical repair box are fixedly connected with an anode joint and a cathode joint respectively, the anode joint and the cathode joint extend into the electrical repair box and are connected with an anode plate and a cathode plate respectively, the electrical repair box is symmetrically and fixedly connected with two first filter plates, one sides of the two first filter plates, which are close to the central plane of the electrical repair box, are provided with cleaning structures, each cleaning structure comprises a sliding plate, the front side and the rear side of the top end of the sliding plate are provided with first through holes which longitudinally penetrate, the insides of the two first through holes are respectively provided with a sliding rod in a sliding manner, the top end and the bottom end of each sliding rod are respectively fixedly connected with the inner top side wall and the inner bottom side wall of the electrical repair box, the middle position of the sliding plate is provided with a second through hole which longitudinally penetrates, a bidirectional screw rod is arranged inside the second, the top end of the bidirectional screw rod extends to the upper part of the electric repair box and is fixedly connected with a first gear, the top end and the bottom end of the bidirectional screw rod are respectively and rotatably connected with the inner top side wall and the inner bottom side wall of the electric repair box, one end of the sliding plate, which is close to the first filter plate, is fixedly connected with a brush, one end of the brush, which is far away from the sliding plate, is contacted with the side wall of the first filter plate, the top end of the electric repair box is fixedly connected with a support, the top end of the support is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, the bottom end of the rotating shaft penetrates through the support and the electric repair box and extends to the inside of the electric repair box, the outer side of the rotating shaft is uniformly and fixedly connected with a plurality of stirring sheets, the outer side of the rotating shaft is sleeved with a second gear, the bottom end of the electric repair box is communicated with the inside of the filter box through a connecting pipe, the connecting pipe is provided with an electromagnetic valve, the middle position inside the filter box is provided with a filter assembly, the bottom side inside the filter box is fixedly connected with an activated carbon layer, the bottom side of the right end of the filter box is connected with a drain pipe, the drain pipe is provided with a valve, the filter assembly comprises a second filter plate, a collecting box and a vibration pump, the outer side wall of the second filter plate is in sliding fit with the inner side wall of the filter box, the inner side wall of the filter box is uniformly and fixedly connected with a fixed block, the top end of the fixed block is fixedly connected with a fixed column, the inside of the fixed column is provided with a sliding groove, the sliding groove is internally provided with a circular plate in a sliding manner, the bottom end of the sliding groove is provided with a, the middle position fixedly connected with branch on the top of second filter, the top fixedly connected with layer board of branch, the bottom of vibrating pump and the top fixed connection of layer board, the left end fixedly connected with backup pad of rose box, the bottom of collecting box and the right side fixed connection on the top of backup pad, the inside switch-on of drain and rose box is passed through to the bottom side of the right-hand member of collecting box, and the drain is located the top of second filter, the slope setting of second filter below left side.

Preferably, the left side of the top end of the supporting plate is fixedly connected with a mud suction pump, the input end of the mud suction pump is communicated with the inside of the collecting box, and the output end of the mud suction pump is connected with a sewage discharge pipe.

Preferably, the top end of the electrical repair box is fixedly connected with a water inlet pipe communicated with the interior of the electrical repair box, and the water inlet pipe is positioned between the two first filter plates.

Preferably, the positions of the four corners of the bottom end of the filter box are fixedly connected with supporting legs, the bottom ends of the supporting legs are fixedly connected with supporting seats, and the bottom ends of the supporting seats are fixedly connected with anti-slip mats.

Preferably, the front side and the rear side of the bottom end of the supporting plate are fixedly connected with rib plates, and the top ends of the rib plates are fixedly connected with the right end of the filter box.

(III) advantageous effects

Compared with the prior art, the invention provides a device for removing heavy metals from sewage, which has the following beneficial effects:

the device for removing heavy metals from sewage carries out electrochemical treatment on diluted sludge through the anode plate and the cathode plate to degrade organic matters or biological toxic pollutants in the sewage, the rotating shaft is driven by the motor to rotate, the rotating shaft drives the stirring sheet to rotate, the sewage is stirred through the stirring sheet, so that the heavy metals contained in the sewage sludge are in a free state for treatment, and the heavy metals in the sewage can be fully treated;

2, the first gear is driven to rotate through the second gear, the bidirectional screw rod is driven to rotate through the rotation of the first gear, the sliding plate slides up and down, and the hairbrush cleans the first filter plate, so that the first filter plate is prevented from being blocked due to excessive sludge adsorption, the service life of the first filter plate is prolonged, and the damage of the sludge to the electrode is avoided;

3, sewage can be filtered through the second filter plate, sludge contained in the sewage is filtered, the filter plate vibrates up and down through the vibration of the vibration pump and the cooperation of the compression spring and the support, the filtering speed is accelerated, the sludge can flow into the collecting box, the sludge in the filtering box can be guided to fall into the collecting box through the inclined arrangement of the second filter plate towards the lower left side, and meanwhile, the liquid pressure on the surface of the second filter plate can be dispersed through the inclined arrangement of the second filter plate towards the lower left side, so that the damage to the second filter plate is reduced;

4 the sludge is sucked away by the suction pump for treatment, hazardous substances and pungent smell in the sewage can be adsorbed by the activated carbon layer, the quality of the sewage after treatment is improved, and the practicability of the sewage is improved.

The invention can realize the integrated heavy metal removal, sludge recovery and sewage filtration, and has simple structure and low cost.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top cross-sectional view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1A;

fig. 5 is a schematic view of the enlarged structure of the part B in fig. 1 according to the present invention.

In the figure: 1. a filter box; 2. an electrical repair box; 3. an anode tap; 4. a cathode terminal; 5. an anode plate; 6. a cathode plate; 7. a first filter plate; 8. a slide plate; 9. a slide bar; 10. a bidirectional lead screw; 11. a first gear; 12. a brush; 13. a support; 14. a motor; 15. a rotating shaft; 16. a stirring sheet; 17. a second gear; 18. a chain; 19. a connecting pipe; 20. an electromagnetic valve; 21. an activated carbon layer; 22. a drain pipe; 23. a valve; 24. a second filter plate; 25. a collection box; 26. a vibration pump; 27. a fixed block; 28. fixing a column; 29. a circular plate; 30. a compression spring; 31. a pillar; 32. a strut; 33. a support plate; 34. a support plate; 35. a sewage draining outlet; 36. a dredge pump; 37. a blow-off pipe; 38. a water inlet pipe; 39. a support leg; 40. a support; 41. a non-slip mat; 42. a rib plate.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, a device for removing heavy metals from sewage comprises a filter box 1 and an electrical repair box 2, wherein the left end and the right end of the electrical repair box 2 are respectively and fixedly connected with an anode connector 3 and a cathode connector 4, the anode connector 3 and the cathode connector 4 are connected with an external power supply to supply power to an anode plate 5 and a cathode plate 6, the anode connector 3 and the cathode connector 4 extend into the electrical repair box 2 and are respectively connected with the anode plate 5 and the cathode plate 6, diluted sludge is electrochemically treated by the anode plate 5 and the cathode plate 6 to degrade organic matters or biological toxic pollutants in the sewage, two first filter plates 7 are symmetrically and fixedly connected in the electrical repair box 2, the sewage is filtered by the first filter plates 7 to prevent the sludge in the sewage from contacting the anode plate 5 and the cathode plate 6, and one sides of the two first filter plates 7, which are close to the central plane of the electrical repair box 2, are respectively provided with a cleaning structure, the cleaning structure comprises a sliding plate 8, wherein the front side and the rear side of the top end of the sliding plate 8 are respectively provided with a first through hole which longitudinally penetrates through, a sliding rod 9 is arranged inside each first through hole in a sliding manner, the top end and the bottom end of the sliding rod 9 are respectively fixedly connected with the inner top side wall and the inner bottom side wall of the electric repair box 2, a second through hole which longitudinally penetrates through is arranged at the middle position of the sliding plate 8, a bidirectional screw rod 10 is arranged inside each second through hole, a sliding block in a bidirectional screw rod 10 slide way is fixedly connected with the side wall of each second through hole, the top end of the bidirectional screw rod 10 extends to the upper part of the electric repair box 2 and is fixedly connected with a first gear 11, the top end and the bottom end of the bidirectional screw rod 10 are respectively rotatably connected with the inner top side wall and the inner bottom side wall of the electric repair box 2, one end, close to the first filter plate 7, of, the top end of the electrical repair box 2 is fixedly connected with a support 13, the top end of the support 13 is fixedly connected with a motor 14, the model of the motor 14 is YE2-100, the motor 14 is a device which is directly purchased from the market and is well known by technicians in the field, the motor 14 is only used here and is not structurally and functionally improved, detailed description is omitted here, the motor 14 is provided with a control switch matched with the motor 14, the installation position of the control switch is selected according to actual use requirements, so that an operator can conveniently perform operation control, the output end of the motor 14 is fixedly connected with a rotating shaft 15, the bottom end of the rotating shaft 15 penetrates through the support 13 and the electrical repair box 2 and extends into the electrical repair box 2, the outer side of the rotating shaft 15 is uniformly and fixedly connected with a plurality of stirring blades 16, the outer side of the rotating shaft 15 is sleeved with a second gear 17, the second gear 17 is positioned above the electrical repair box 2, the second gear 17 is matched with the two first gears 11 in a rotating way through a chain 18, the top end of the filter box 1 is fixedly connected with the bottom end of the electric repair box 2, the motor 14 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the stirring sheet 16 to rotate, sewage is stirred through the stirring sheet 16, heavy metal contained in sewage sludge is in a free state for treatment, heavy metal in the sewage can be fully treated, the second gear 17 drives the first gear 11 to rotate, the first gear 11 rotates to drive the bidirectional screw rod 10 to rotate, the sliding plate 8 slides up and down, the brush 12 cleans the first filter plate 7, the blockage caused by excessive sludge adsorbed by the first filter plate 7 is prevented, the service life of the first filter plate 7 is prolonged, the bottom end of the electric repair box 2 is communicated with the inside of the filter box 1 through a connecting pipe 19, the electromagnetic valve 20 is arranged on the connecting pipe 19, and the sewage treated in the electric repair box 2 flows into the filter box 1 through the connecting pipe 19, the filter box comprises a filter box 1 and is characterized in that a filter component is arranged in the middle of the inside of the filter box 1, an activated carbon layer 21 is fixedly connected to the bottom side of the inside of the filter box 1, a drain pipe 22 is connected to the bottom side of the right end of the filter box 1, a valve 23 is arranged on the drain pipe 22, and treated sewage is discharged through the drain pipe 22.

It should be further noted that the filter assembly includes a second filter plate 24, a collection box 25 and a vibration pump 26, the outer side wall of the second filter plate 24 is in sliding fit with the inner side wall of the filter box 1, the inner side wall of the filter box 1 is uniformly and fixedly connected with a fixing block 27, the top end of the fixing block 27 is fixedly connected with a fixing column 28, the inside of the fixing column 28 is provided with a sliding chute, the inside of the sliding chute is provided with a circular plate 29 in a sliding manner, the bottom end of the sliding chute is provided with a compression spring 30, the top end of the compression spring 30 is contacted with the bottom end of the circular plate 29, the top end of the circular plate 29 is fixedly connected with a supporting column 31, the top end of the supporting column 31 is fixedly connected with the bottom end of the second filter plate 24, the middle position of the top end of the second filter plate 24 is fixedly connected with a supporting plate 32, the front side and the rear side of the bottom end of the supporting plate 34 are fixedly connected with rib plates 42, the top ends of the rib plates 42 are fixedly connected with the right end of the filter box 1, the connection stability of the supporting plate 34 is improved, the bottom end of the collecting box 25 is fixedly connected with the right side of the top end of the supporting plate 34, the bottom side of the right end of the collecting box 25 is communicated with the interior of the filter box 1 through a drain outlet 35, the drain outlet 35 is positioned above the second filter plate 24, the second filter plate 24 is obliquely arranged towards the lower left, the liquid pressure on the surface of the second filter plate can be dispersed by obliquely arranging the second filter plate towards the lower left, the damage to the second filter plate is reduced, the mud suction pump 36 is fixedly connected to the left side of the top end of the supporting plate 34, the input end of the mud suction pump 36 is communicated with the interior of the collecting box 25, the output end of the, through the vibration of vibrating pump 26, make the filter vibrate from top to bottom through the cooperation of compression spring 30 and pillar 31 simultaneously for filterable speed, can make simultaneously in mud flows to collecting box 25, take away mud through dredge pump 36 and handle, the top fixedly connected with of electrical repair case 2 and the inlet tube 38 of the inside switch-on of electrical repair case 2, inlet tube 38 are located the centre of two first filters 7, annotate sewage through inlet tube 38 to electrical repair case 2 in, the equal fixedly connected with landing leg 39 in position in the four corners of the bottom of rose box 1, the bottom fixedly connected with support 40 of landing leg 39, the bottom fixedly connected with slipmat 41 of support 40 supports the device, improves the stability of device.

In conclusion, when the device for removing heavy metals from sewage is used, firstly, the device for removing heavy metals from sewage is placed at a position required to be used, sewage is added into the electrical remediation box 2 through the water inlet pipe 38, the power supply of the anode plate 5 and the cathode plate 6 is switched on, diluted sludge is subjected to electrochemical treatment through the anode plate 5 and the cathode plate 6, organic matters or biological toxic pollutants in the sewage are degraded, the rotating shaft 15 is driven to rotate through the motor 14, the rotating shaft 15 drives the stirring sheet 16 to rotate, the sewage is stirred through the stirring sheet 16, heavy metals contained in the sewage sludge are treated in a free state, the heavy metals in the sewage can be fully treated, the first gear 11 is driven to rotate through the second gear 17, the first gear 11 rotates to drive the bidirectional screw rod 10 to rotate, the sliding plate 8 slides up and down, and the brush 12 cleans the first filter plate 7, prevent that first filter 7 from adsorbing too much mud and causing the jam, prolong the life of first filter 7, sewage after the electricity is restoreed flows to rose box 1 in through connecting pipe 19, can filter sewage through second filter 24, filter the mud that contains in the sewage, vibrate through vibrating pump 26, the cooperation through compression spring 30 and pillar 31 makes the filter vibrate from top to bottom simultaneously, filterable speed has been accelerated, can make simultaneously in mud flows to collecting box 25, suck away mud through dredge pump 36 and handle, can adsorb hazardous substance and the pungent smell in the sewage through activated carbon layer 21, improve the quality behind the sewage treatment, improve the practicality of its use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device of heavy metal is got rid of to sewage, includes rose box (1) and electrical restoration case (2), its characterized in that: the left end and the right end of the electrical repair box (2) are respectively fixedly connected with an anode joint (3) and a cathode joint (4), the anode joint (3) and the cathode joint (4) extend to the interior of the electrical repair box (2) and are respectively connected with an anode plate (5) and a cathode plate (6), the interior of the electrical repair box (2) is symmetrically and fixedly connected with two first filter plates (7), one side of each first filter plate (7) close to the central plane of the electrical repair box (2) is provided with a cleaning structure, each cleaning structure comprises a sliding plate (8), the front side and the rear side of the top end of each sliding plate (8) are respectively provided with a first through hole which longitudinally penetrates, the interior of each first through hole is provided with a sliding rod (9) in a sliding manner, the top end and the bottom end of each sliding rod (9) are respectively fixedly connected with the inner top side wall and the inner bottom side wall of the electrical repair box (2), and the middle position of each sliding, a bidirectional screw rod (10) is arranged inside the second through hole, a sliding block in a slide way of the bidirectional screw rod (10) is fixedly connected with the side wall of the second through hole, the top end of the bidirectional screw rod (10) extends to the upper part of the electric repair box (2) and is fixedly connected with a first gear (11), the top end and the bottom end of the bidirectional screw rod (10) are respectively rotatably connected with the inner top side wall and the inner bottom side wall of the electric repair box (2), one end of the sliding plate (8) close to the first filter plate (7) is fixedly connected with a hairbrush (12), one end of the hairbrush (12) far away from the sliding plate (8) is contacted with the side wall of the first filter plate (7), the top end of the electric repair box (2) is fixedly connected with a support (13), the top end of the support (13) is fixedly connected with a motor (14), the output end of the motor (14) is fixedly connected with a rotating shaft (15), the bottom end of the rotating shaft (15, the stirring device is characterized in that a plurality of stirring sheets (16) are uniformly and fixedly connected to the outer side of the rotating shaft (15), a second gear (17) is sleeved on the outer side of the rotating shaft (15), the second gear (17) is located above the electric repairing box (2), the second gear (17) is in running fit with the two first gears (11) through a chain (18), the top end of the filtering box (1) is fixedly connected with the bottom end of the electric repairing box (2), the bottom end of the electric repairing box (2) is communicated with the inside of the filtering box (1) through a connecting pipe (19), an electromagnetic valve (20) is arranged on the connecting pipe (19), a filtering component is arranged in the middle of the inside of the filtering box (1), an activated carbon layer (21) is fixedly connected to the bottom side of the inside of the filtering box (1), a water drainage pipe (22) is connected to the bottom side of the right end of the filtering box (1), a valve (23) is arranged on the water drainage pipe (, The collecting box (25) and the vibration pump (26), the outer side wall of the second filter plate (24) is in sliding fit with the inner side wall of the filter box (1), the inner side wall of the filter box (1) is uniformly and fixedly connected with a fixing block (27), the top end of the fixing block (27) is fixedly connected with a fixing column (28), the inside of the fixing column (28) is provided with a sliding chute, the inside of the sliding chute is provided with a circular plate (29) in a sliding manner, the bottom end of the sliding chute is provided with a compression spring (30), the top end of the compression spring (30) is contacted with the bottom end of the circular plate (29), the top end of the circular plate (29) is fixedly connected with a supporting column (31), the top end of the supporting column (31) is fixedly connected with the bottom end of the second filter plate (24), the middle position of the top end of the second filter plate (24) is fixedly connected with a supporting rod (32, the left end fixedly connected with backup pad (34) of rose box (1), the bottom of collecting box (25) and the right side fixed connection on the top of backup pad (34), the inside switch-on of drain (35) and rose box (1) is passed through to the bottom side of the right-hand member of collecting box (25), and drain (35) are located the top of second filter (24), second filter (24) below slope setting to the left.

2. The apparatus for removing heavy metals from sewage according to claim 1, wherein: the mud suction pump (36) is fixedly connected to the left side of the top end of the supporting plate (34), the input end of the mud suction pump (36) is communicated with the interior of the collecting box (25), and the output end of the mud suction pump (36) is connected with a sewage discharge pipe (37).

3. The apparatus for removing heavy metals from sewage according to claim 2, wherein: the top end of the electric repairing box (2) is fixedly connected with a water inlet pipe (38) communicated with the inside of the electric repairing box (2), and the water inlet pipe (38) is positioned between the two first filter plates (7).

4. The apparatus for removing heavy metals from sewage according to claim 3, wherein: the all fixedly connected with landing leg (39) in the position of the four corners of the bottom of rose box (1), the bottom fixedly connected with support (40) of landing leg (39), the bottom fixedly connected with slipmat (41) of support (40).

5. The apparatus for removing heavy metals from sewage according to claim 4, wherein: the front side and the rear side of the bottom end of the supporting plate (34) are fixedly connected with rib plates (42), and the top ends of the rib plates (42) are fixedly connected with the right end of the filter box (1).