CN114853131A - Precipitation separation device for net zero discharge of electroplating wastewater and separation method thereof - Google Patents
Precipitation separation device for net zero discharge of electroplating wastewater and separation method thereof Download PDFInfo
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- CN114853131A CN114853131A CN202210235227.9A CN202210235227A CN114853131A CN 114853131 A CN114853131 A CN 114853131A CN 202210235227 A CN202210235227 A CN 202210235227A CN 114853131 A CN114853131 A CN 114853131A
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- bevel gear
- box body
- electroplating wastewater
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- 238000009713 electroplating Methods 0.000 title claims abstract description 49
- 239000002351 wastewater Substances 0.000 title claims abstract description 45
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 238000001556 precipitation Methods 0.000 title claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 24
- 239000008394 flocculating agent Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000013049 sediment Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 10
- 239000002244 precipitate Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000149 penetrating effect Effects 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000378 teratogenic Toxicity 0.000 description 1
- 230000003390 teratogenic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a precipitation separation device for net zero discharge of electroplating wastewater and a separation method thereof, wherein the precipitation separation device comprises a box body, a fixed shaft is inserted in the middle of the top wall in the box body, a fixed disc is arranged at the bottom end part of the fixed shaft, a pair of transverse plates are arranged on two side surfaces of the fixed disc, a roll shaft is inserted at the outer end part of the bottom surface of each transverse plate, a roller is sleeved on each roll shaft, and a plurality of scraping plates are arranged on the outer surface of each roller; a hollow shaft is inserted in the middle of the bottom in the box body, the bottom end of the hollow shaft is connected with the top end of the fixed shaft through a belt linkage mechanism, a square shaft is installed in the hollow shaft, a wave wheel disc is arranged at the top end of the square shaft, a wave wheel is installed on the top surface of the wave wheel disc, a reciprocating stop dog is arranged at the bottom end of the square shaft, and the reciprocating stop dog is connected with a cam reciprocating mechanism. The invention makes the electroplating wastewater and the flocculating agent fully mixed, and improves the wall scraping effect of the sediment in the electroplating wastewater.
Description
Technical Field
The invention relates to the technical field of electroplating wastewater precipitation separation, in particular to a precipitation separation device for net zero discharge of electroplating wastewater and a separation method thereof.
Background
The electroplating wastewater is used as industrial wastewater, the water quality components of the electroplating wastewater are complex, the electroplating wastewater contains various heavy metal ions, and some heavy metal substances are carcinogenic, teratogenic and mutagenic highly toxic substances and harm the health of human beings.
When the existing electroplating wastewater is precipitated and separated, the following defects exist: 1. because electroplating wastewater contains a large amount of heavy metals, formed precipitates are easy to adsorb on the inner wall of the device and difficult to effectively remove, so that the precipitation separation effect is poor; 2. electroplating effluent needs to be fully mixed with flocculating agent when precipitating, and the existing electroplating effluent cannot be uniformly mixed, so that the existing electroplating effluent cannot meet the precipitation condition.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a precipitation separation device for net zero discharge of electroplating wastewater.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the precipitation separation device for net zero discharge of electroplating wastewater comprises a box body, wherein a first bearing is arranged in the middle of the inner top wall of the box body, a fixed shaft is inserted in the first bearing, a fixed disc is arranged at the bottom end part of the fixed shaft in the box body, a pair of transverse plates are arranged on two side surfaces of the fixed disc, a second bearing is arranged at the outer end part of the bottom surface of each transverse plate, a roll shaft is inserted in each second bearing, a roller is sleeved on each roll shaft, and a plurality of scraping plates are arranged on the outer surface of each roller;
the improved impeller structure is characterized in that a third bearing is arranged in the middle of the bottom in the box body, a hollow shaft is inserted into the third bearing, the bottom end of the hollow shaft is connected with the top end of the fixed shaft through a belt linkage mechanism, a square shaft is installed in the hollow shaft, a wave wheel disc is arranged at the top end of the square shaft in the box body, a wave wheel is installed on the top surface of the wave wheel disc, a reciprocating stop block is arranged at the bottom end of the square shaft, and the reciprocating stop block is connected with a cam reciprocating mechanism.
Further, the box inner wall top is equipped with the ring gear, and the position that is located the ring gear parallel and level is every the top portion of roller all overlaps and is equipped with planetary gear, every planetary gear all is connected with the ring gear meshing.
Furthermore, a second bevel gear is sleeved in the middle of the fixed shaft and located on the top surface of the box body, a motor is arranged on the top surface of the box body and located on one side of the second bevel gear, a first bevel gear is sleeved at the end of a motor shaft of the motor, and the first bevel gear is in meshed connection with the second bevel gear.
Furthermore, the belt linkage mechanism comprises a linkage shaft, a first driving belt and a second driving belt, a pair of fixing plates is arranged on the upper side and the lower side of the right side surface of the box body, a fourth bearing is arranged in the middle of each fixing plate, the linkage shaft is arranged on the right side surface of the box body, the upper end and the lower end of the linkage shaft respectively penetrate through the corresponding fourth bearings, and linkage belt pulleys are sleeved at the upper end and the lower end of the linkage shaft;
the top portion cover of fixed axle is equipped with first belt pulley, first belt pulley carries out the transmission through first drive belt and the linkage belt pulley that is located the top and is connected, the bottom portion cover of hollow shaft is equipped with the second belt pulley, the second belt pulley carries out the transmission through second drive belt and the second belt pulley that is located the below and is connected.
Furthermore, a pair of square slip rings are arranged in the upper end port and the lower end port of the hollow shaft, and the upper side and the lower side of the square shaft sequentially penetrate through the pair of square slip rings in a sliding manner and extend to the outer side of the hollow shaft; the top of the hollow shaft is sleeved with a sealing sleeve, and an anti-corrosion spring is sleeved on the square shaft and is positioned between the sealing sleeve and the impeller disc.
Further, the cam reciprocating mechanism comprises a reciprocating shaft and a reciprocating cam, a vertical plate is arranged on the bottom surface of the box body and located on one side of the reciprocating stop block, a fifth bearing is arranged at the bottom end of the vertical plate, the reciprocating shaft is inserted into the fifth bearing, the reciprocating cam is sleeved on the reciprocating shaft and located below the reciprocating stop block, and the top edge of the reciprocating cam is matched and tightly abutted to the bottom surface of the reciprocating stop block.
Furthermore, the right end part of the reciprocating shaft extends to the lower part of the linkage shaft, a third bevel gear is sleeved on the right end part of the reciprocating shaft, a fourth bevel gear extends downwards from the bottom end part of the linkage shaft and is sleeved on the bottom end part of the linkage shaft, and the fourth bevel gear is meshed with the third bevel gear.
Furthermore, the position that is located fixed disk below parallel and level is in a side top of box is equipped with the inlet tube, a side bottom of box is equipped with the outlet pipe, is located the box diapire and is in the both sides of hollow shaft are equipped with a pair of L shaped plate, every the L shaped plate all with box diapire sliding connection.
Furthermore, a conical precipitation cylinder is arranged on the bottom surface of the box body and positioned on one side of the vertical plate, and a drain pipe is arranged at the bottom end of the conical precipitation cylinder.
The invention also provides a separation method of the precipitation separation device for net zero discharge of electroplating wastewater, which comprises the following steps:
step one, injecting electroplating wastewater into a box body, adding a proper amount of flocculating agent, mixing to form precipitate, and adsorbing the precipitate on the inner wall of the box body;
step two, the motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear, the fixed shaft, the first belt pulley, the fixed disc and the transverse plate to rotate, the transverse plate drives the roller shaft to revolve along the gear ring, the planetary gear is matched with the gear ring to be meshed, the roller shaft is driven to rotate along the second bearing, the roller shaft drives the roller and the scraper to rotate, and wall scraping operation is carried out on the inner wall of the box body;
thirdly, the first belt pulley drives the linkage belt pulley and the linkage shaft to rotate, the linkage belt pulley positioned below drives the hollow shaft to rotate, the hollow shaft drives the L-shaped plate, the square shaft, the impeller disc and the impeller due to the limiting effect of the square shaft and the square slip ring, the wall scraping operation is carried out on the inner bottom wall of the box body through the L-shaped plate, and electroplating wastewater is driven to be mixed with the flocculating agent through the impeller;
step four, the linkage shaft drives a fourth bevel gear to synchronously rotate, the fourth bevel gear drives a third bevel gear, a reciprocating shaft and a reciprocating cam to rotate, the square shaft is driven to slide downwards along the square sliding ring, and a reciprocating stop block is driven to tightly abut against the reciprocating cam;
and step five, the sediment generated by scraping the wall falls onto the inner bottom wall of the box body, the sediment is driven to be gathered in the conical sedimentation cylinder through the wall scraping effect of the L-shaped plate, and the sediment is discharged through the blow-off pipe along with the more the sediment in the conical sedimentation cylinder is accumulated.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the roller shaft is driven to revolve by matching with the belt linkage mechanism, the wall scraping operation is carried out on the inner side wall of the box body through the scraper, sediment generated by scraping the wall by the scraper falls onto the inner bottom wall of the box body, when the hollow shaft rotates, the wall scraping operation is carried out on the inner bottom wall of the box body through the L-shaped plate, and the sediment is driven to gather in the conical sedimentation cylinder through the wall scraping effect of the L-shaped plate;
2. in the invention, through the cooperation of the cam reciprocating mechanism, the hollow shaft drives the impeller disc and the impeller to synchronously rotate when rotating, and the reciprocating cam drives the square shaft, the impeller disc and the impeller to reciprocate and slide up and down when rotating, so that electroplating wastewater and flocculating agent are fully mixed;
in conclusion, the invention solves the problems that the electroplating wastewater and the flocculating agent are not uniformly mixed and the precipitate is easily absorbed in the device by the cooperation of all the mechanisms, so that the electroplating wastewater and the flocculating agent are fully mixed, and the wall scraping effect of the precipitate in the electroplating wastewater is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the planetary gear of the present invention in mesh with a gear ring;
FIG. 5 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 6 is a schematic view of the cam reciprocation mechanism of the present invention;
FIG. 7 is a schematic cross-sectional view of a square shaft and hollow shaft of the present invention;
FIG. 8 is a schematic of the separation process of the present invention;
number in the figure: 1. a box body; 11. a fixed shaft; 12. fixing the disc; 13. a transverse plate; 14. a roll shaft; 15. a roller; 16. a squeegee; 17. a gear ring; 18. a planetary gear; 2. a hollow shaft; 21. a square slip ring; 22. a square shaft; 23. a wave wheel disc; 24. an impeller; 25. a sealing sleeve; 26. an anti-corrosion spring; 27. an L-shaped plate; 3. a motor; 31. a first bevel gear; 32. a second bevel gear; 33. a fixing plate; 34. a linkage shaft; 35. a first drive belt; 36. a second drive belt; 4. a vertical plate; 41. a reciprocating shaft; 42. a reciprocating cam; 43. a reciprocating stopper; 44. a third bevel gear; 45. a fourth bevel gear; 46. a water inlet pipe; 47. a water outlet pipe; 48. a conical settling cylinder; 49. a sewage discharge pipe.
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.
The first embodiment is as follows: the embodiment provides a precipitation separation device for net zero discharge of electroplating wastewater, and specifically comprises a box body 1, wherein the box body 1 is in a vertically-placed circular box shape, a first bearing penetrating and fixedly connected is arranged in the middle of the inner top wall of the box body 1, a fixed shaft 11 penetrating and fixedly connected is inserted in the first bearing, a fixed disc 12 concentrically and fixedly connected is arranged at the bottom end part of the fixed shaft 11 in the box body 1, a pair of transverse plates 13 transversely and fixedly connected are arranged on two side surfaces of the fixed disc 12, a second bearing is arranged at the outer end part of the bottom surface of each transverse plate 13, a roller shaft 14 penetrating and fixedly connected is inserted in each second bearing, rollers 15 concentrically and fixedly connected are sleeved on each roller shaft 14, and a plurality of vertically and fixedly connected scraping plates 16 are arranged on the outer surface of each roller shaft 15;
the middle part of the bottom in the box body 1 is provided with a third bearing which penetrates through and is fixedly connected, a hollow shaft 2 which penetrates through and is fixedly connected is inserted in the third bearing, the bottom end part of the hollow shaft 2 is connected with the top end part of the fixed shaft 11 through a belt linkage mechanism, a square shaft 22 which penetrates through in a sliding manner is installed in the hollow shaft 2, a wave wheel disc 23 which is concentrically and fixedly connected is arranged at the top end part of the square shaft 22 in the box body 1, a wave wheel 24 which is concentrically and fixedly connected is installed on the top surface of the wave wheel disc 23, the bottom end part of the square shaft 22 is provided with a reciprocating stop block 43, and the reciprocating stop block 43 is connected with a cam reciprocating mechanism.
Specifically, referring to fig. 2 and 4, a second bevel gear 32 concentrically fixed is sleeved on the top surface of the case 1 in the middle of the fixed shaft 11, a motor 3 transversely mounted is arranged on the top surface of the case 1 on one side of the second bevel gear 32, the motor 3 is JM3-711-2 in model, a first bevel gear 31 concentrically fixed is sleeved on the end of a motor shaft of the motor 3, and the first bevel gear 31 is in meshed connection with the second bevel gear 32; a motor shaft of the motor 3 drives a first bevel gear 31 to synchronously rotate, and the first bevel gear 31 is meshed with a second bevel gear 32, the fixed shaft 11, the first belt pulley, the fixed disc 12 and the transverse plate 13 to rotate along a first bearing;
a gear ring 17 which is concentrically and fixedly connected is arranged at the top of the inner side wall of the box body 1, planetary gears 18 are sleeved at the top end parts of the roll shafts 14 at the positions which are flush with the gear ring 17, and each planetary gear 18 is meshed with the gear ring 17; the transverse plate 13 drives the roller shaft 14 to revolve along the gear ring 17, the planetary gears 18 are matched with the gear ring 17 to perform meshing action, the roller shaft 14 is driven to rotate along the second bearing, the roller shaft 14 drives the roller 15 and the scraper 16 to rotate, and the inner side wall of the box body 1 is scraped through the scraper 16.
Specifically, referring to fig. 5 and 7, a pair of square slip rings 21 concentrically and fixedly connected is arranged in the upper and lower ports of the hollow shaft 2, the square slip rings 21 are in a copper wire shape with an outer circle and an inner square, the upper and lower sides of the square shaft 22 sequentially slide and penetrate through the pair of square slip rings 21 and extend to the outer side of the hollow shaft 2, and the square shaft 22 and the square slip rings 21 form a limiting effect, so that the hollow shaft 2 drives the square shaft 22 to synchronously rotate when rotating; the top cover of hollow shaft 2 is equipped with sliding connection's sealing sleeve 25, and the quad slit has been seted up at sealing sleeve 25's top, and the well upper portion of square shaft 22 slides and runs through the quad slit, is located between sealing sleeve 25, the impeller dish 23 and overlaps on square shaft 22 to be equipped with anticorrosive spring 26, and when square shaft 22 slided from top to bottom, anticorrosive spring 26's tension effect drove sealing sleeve 25 reciprocal slip cover and establishes on the top portion of hollow shaft 2.
Specifically, referring to fig. 2, a water inlet pipe 46 penetrating and fixedly connected is arranged at the top of one side face of the box body 1 at a level position below the fixed disc 12, a water inlet valve is arranged at the outer end part of the water inlet pipe 46, electroplating wastewater enters the box body 1 through the water inlet pipe 46, a water outlet pipe 47 penetrating and fixedly connected is arranged at the bottom of one side face of the box body 1, a water outlet valve is arranged at the outer end part of the water outlet pipe 47, a pair of L-shaped plates 27 are arranged on the two sides of the hollow shaft 2 at the bottom wall of the box body 1, each L-shaped plate 27 is slidably connected with the bottom wall of the box body 1, and when the hollow shaft 2 rotates, wall scraping operation is carried out on the bottom wall of the box body 1 through the L-shaped plates 27; one side that is located riser 4 is equipped with the toper that runs through the rigid coupling in the bottom surface of box 1 and deposits a section of thick bamboo 48, the bottom portion that toper deposited a section of thick bamboo 48 is equipped with the blow off pipe 49 that transversely runs through the rigid coupling, the outer tip of blow off pipe 49 is equipped with the blowoff valve, and the bottom surface outside equipartition of box 1 is equipped with a plurality of supporting legs, scraper 16 scrapes the precipitate that the wall produced and drops to the diapire in the box 1 on, scrape the wall effect through L shaped plate 27 and drive the precipitate gathering in toper deposits a section of thick bamboo 48, deposit is amasss more along with in the toper deposits a section of thick bamboo 48, the precipitate of discharging through blow off pipe 49.
Example two: in the first embodiment, there is a problem that the fixed shaft and the hollow shaft are not linked conveniently and cannot rotate synchronously, so the first embodiment further includes:
specifically, referring to fig. 2, the belt linkage mechanism includes a linkage shaft 34, a first driving belt 35 and a second driving belt 36, a pair of fixing plates 33 are arranged on the upper and lower sides of the right side surface of the box body 1, a fourth bearing penetrating and fixedly connected is arranged in the middle of each fixing plate 33, the linkage shaft 34 vertically placed is arranged on the right side surface of the box body 1, the upper and lower ends of the linkage shaft 34 respectively penetrate through the corresponding fourth bearings, and the upper and lower end portions of the linkage shaft 34 are sleeved with linkage belt pulleys concentrically and fixedly connected;
the top portion cover of fixed axle 11 is equipped with the first belt pulley of concentric rigid coupling, first belt pulley carries out the transmission through first drive belt 35 and the linkage belt pulley that is located the top and is connected, first belt pulley drives linkage belt pulley and the universal driving shaft 34 that is located the top through first drive belt 35 and rotates along the fourth bearing, the bottom portion cover of hollow shaft 2 is equipped with the second belt pulley of concentric rigid coupling, the second belt pulley carries out the transmission through second drive belt 36 and the second belt pulley that is located the below and is connected, the linkage belt pulley that is located the below drives hollow shaft 2 through second drive belt 36 and rotates along the third bearing.
Example three: in the first embodiment, there is a problem that the electroplating wastewater and the flocculating agent are not uniformly mixed, and cannot flocculate to form more precipitates, so the first embodiment further includes:
specifically, referring to fig. 2 and 6, the cam reciprocating mechanism includes a reciprocating shaft 41 and a reciprocating cam 42, a vertical plate 4 which is located on one side of a reciprocating block 43 and is fixedly connected to the bottom surface of the box body 1, a fifth bearing is arranged at the bottom end of the vertical plate 4, the reciprocating shaft 41 which transversely penetrates through the fifth bearing is inserted into the fifth bearing, the reciprocating cam 42 which is eccentrically and fixedly connected to the reciprocating shaft 41 is sleeved below the reciprocating block 43, and the top edge of the reciprocating cam 42 is matched and tightly abutted to the bottom surface of the reciprocating block 43; the reciprocating block 43 is tightly abutted against the reciprocating cam 42, when the reciprocating cam 42 rotates, the square shaft 22, the impeller disc 23 and the impeller 24 are driven to reciprocate and slide up and down in a matching way, the impeller 24 synchronously rotates along with the hollow shaft 2, and electroplating wastewater is driven by the impeller 24 to be fully mixed with the flocculating agent;
the right end part of the reciprocating shaft 41 extends to the lower part of the linkage shaft 34, a third bevel gear 44 which is concentrically and fixedly connected is sleeved at the right end part of the reciprocating shaft 41, the bottom end part of the linkage shaft 34 extends downwards and is sleeved with a fourth bevel gear 45 which is concentrically and fixedly connected, and the fourth bevel gear 45 is meshed with the third bevel gear 44; the linkage shaft 34 drives the fourth bevel gear 45 to synchronously rotate, and the fourth bevel gear 45 is meshed with and drives the third bevel gear 44, the reciprocating shaft 41 and the reciprocating cam 42 to rotate along the fifth bearing.
Example four: referring to fig. 8, in this embodiment, the present invention further provides a separation method of a precipitation separation device for net zero discharge of electroplating wastewater, comprising the following steps:
step one, electroplating wastewater enters the box body 1 through the water inlet pipe 46, a proper amount of flocculating agent is added, and the electroplating wastewater and the flocculating agent are mixed to form sediment which is adsorbed on the inner side wall and the inner bottom wall of the box body 1;
step two, the motor 3 is started, a motor shaft of the motor 3 drives a first bevel gear 31 to synchronously rotate, the first bevel gear 31 is meshed to drive a second bevel gear 32, the fixed shaft 11, a first belt pulley, the fixed disc 12 and the transverse plate 13 to rotate along a first bearing, the transverse plate 13 drives the roller shaft 14 to revolve along a gear ring 17, the planetary gear 18 is matched with the gear ring 17 to be meshed to drive the roller shaft 14 to rotate along a second bearing, the roller shaft 14 drives the roller 15 and the scraper 16 to rotate, and wall scraping operation is carried out on the inner side wall of the box body 1 through the scraper 16;
thirdly, the first belt pulley drives the linkage belt pulley and the linkage shaft 34 which are positioned above to rotate along a fourth bearing through a first driving belt 35, the linkage belt pulley which is positioned below drives the hollow shaft 2 to rotate along the third bearing through a second driving belt 36, the hollow shaft 2 drives the L-shaped plate 27, the square shaft 22, the impeller disc 23 and the impeller 24 due to the limiting effect of the square shaft 22 and the square slip ring 21, the wall scraping operation is carried out on the inner bottom wall of the box body 1 through the L-shaped plate 27, and the electroplating wastewater is driven to be mixed with the flocculating agent through the action of the impeller 24;
step four, the linkage shaft 34 drives the fourth bevel gear 45 to synchronously rotate, the fourth bevel gear 45 is meshed with and drives the third bevel gear 44, the reciprocating shaft 41 and the reciprocating cam 42 to rotate along a fifth bearing, the square shaft 22 is driven to slide downwards along the square slip ring 21 under the action of the gravity of the impeller disc 23 and the impeller 24, the reciprocating stop block 43 is driven to abut against the reciprocating cam 42, the square shaft 22, the impeller disc 23 and the impeller 24 are driven to slide up and down in a reciprocating manner under the matching action of the gravity of the impeller disc 23 and the impeller 24 when the reciprocating cam 42 rotates, electroplating wastewater and flocculating agents are driven to be fully mixed through the impeller 24, and the sealing sleeve 25 is driven to be sleeved on the top end part of the hollow shaft 2 in a reciprocating manner under the action of the tension of the anti-corrosion spring 26 when the square shaft 22 slides up and down;
step five, the sediment generated by scraping the wall by the scraper 16 falls onto the inner bottom wall of the box body 1, the sediment is driven to gather in the conical sedimentation cylinder 48 through the wall scraping effect of the L-shaped plate 27, and the sediment is discharged through the drain pipe 49 as the sediment in the conical sedimentation cylinder 48 is accumulated more and more.
The invention solves the problems that the electroplating wastewater and the flocculating agent are not uniformly mixed and the precipitate is easily adsorbed in the device by using the mechanisms in a matching way, so that the electroplating wastewater and the flocculating agent are fully mixed, and the wall scraping effect of the precipitate in the electroplating wastewater is further improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. Electroplating effluent's net zero release is with deposiing separator, including box (1), its characterized in that: a first bearing is arranged in the middle of the inner top wall of the box body (1), a fixed shaft (11) is inserted into the first bearing, a fixed disc (12) is arranged at the bottom end part of the fixed shaft (11) in the box body (1), a pair of transverse plates (13) are arranged on two side faces of the fixed disc (12), a second bearing is arranged at the outer end part of the bottom face of each transverse plate (13), a roller shaft (14) is inserted into the inner part of each second bearing, a roller (15) is sleeved on each roller shaft (14), and a plurality of scraping plates (16) are arranged on the outer surface of each roller (15);
bottom middle part is equipped with the third bearing in box (1), the inside of third bearing is inserted and is equipped with hollow shaft (2), the bottom portion of hollow shaft (2) passes through the belt link gear and is connected with the top portion of fixed axle (11), install square axle (22) in hollow shaft (2), be located box (1) the top portion of square axle (22) is equipped with impeller dish (23), install impeller (24) on the top surface of impeller dish (23), the bottom portion of square axle (22) is equipped with reciprocal dog (43), reciprocal dog (43) is connected with cam reciprocating mechanism.
2. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 1, wherein: box (1) inside wall top is equipped with ring gear (17), and the position that is located ring gear (17) parallel and level is every the top portion of roller (14) all overlaps and is equipped with planetary gear (18), every planetary gear (18) all are connected with ring gear (17) meshing.
3. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 1, wherein: the middle of the fixed shaft (11) is sleeved with a second bevel gear (32) on the top surface of the box body (1), one side of the second bevel gear (32) is arranged on the top surface of the box body (1), a first bevel gear (31) is sleeved at the end part of a motor shaft of the motor (3), and the first bevel gear (31) is meshed with the second bevel gear (32).
4. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 1, wherein: the belt linkage mechanism comprises a linkage shaft (34), a first driving belt (35) and a second driving belt (36), a pair of fixing plates (33) is arranged on the upper side and the lower side of the right side surface of the box body (1), a fourth bearing is arranged in the middle of each fixing plate (33), the linkage shaft (34) is arranged on the right side surface of the box body (1), the upper end and the lower end of the linkage shaft (34) penetrate through the corresponding fourth bearings respectively, and linkage belt pulleys are sleeved on the upper end and the lower end of the linkage shaft (34);
the top portion cover of fixed axle (11) is equipped with first belt pulley, first belt pulley carries out the transmission through first drive belt (35) and the linkage belt pulley that is located the top and is connected, the bottom portion cover of hollow shaft (2) is equipped with the second belt pulley, the second belt pulley carries out the transmission through second drive belt (36) and the second belt pulley that is located the below and is connected.
5. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 1, wherein: a pair of square sliding rings (21) are arranged in the upper end port and the lower end port of the hollow shaft (2), and the upper side and the lower side of the square shaft (22) sequentially penetrate through the pair of square sliding rings (21) in a sliding manner and extend to the outer side of the hollow shaft (2); the top of the hollow shaft (2) is sleeved with a sealing sleeve (25), and an anti-corrosion spring (26) is sleeved on the square shaft (22) and is positioned between the sealing sleeve (25) and the wave wheel disc (23).
6. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 4, wherein: the cam reciprocating mechanism comprises a reciprocating shaft (41) and a reciprocating cam (42), wherein one side of the reciprocating stop block (43) is arranged on the bottom surface of the box body (1) and is provided with a vertical plate (4), a fifth bearing is arranged at the bottom end of the vertical plate (4), the reciprocating shaft (41) is inserted in the fifth bearing, the reciprocating shaft (41) is located below the reciprocating stop block (43), the reciprocating cam (42) is sleeved on the reciprocating shaft (41), and the top edge of the reciprocating cam (42) is matched and tightly supported on the bottom surface of the reciprocating stop block (43).
7. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 6, wherein: the right end part of the reciprocating shaft (41) extends to the lower part of the linkage shaft (34), a third bevel gear (44) is sleeved at the right end part of the reciprocating shaft (41), the bottom end part of the linkage shaft (34) extends downwards and is sleeved with a fourth bevel gear (45), and the fourth bevel gear (45) is meshed with the third bevel gear (44).
8. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 1, wherein: the position that is located fixed disk (12) below parallel and level is in a side top of box (1) is equipped with inlet tube (46), a side bottom of box (1) is equipped with outlet pipe (47), is located box (1) diapire and is in the both sides of hollow shaft (2) are equipped with a pair of L shaped plate (27), every L shaped plate (27) all with box (1) bottom wall sliding connection.
9. The precipitation separation apparatus for net zero discharge of electroplating wastewater according to claim 4, wherein: a conical settling cylinder (48) is arranged on the bottom surface of the box body (1) and positioned on one side of the vertical plate (4), and a drain pipe (49) is arranged at the bottom end part of the conical settling cylinder (48).
10. The separation method of a precipitation separation apparatus for net zero discharge of electroplating wastewater according to any one of claims 1 to 9, characterized by comprising the steps of:
filling electroplating wastewater into a tank body (1), adding a proper amount of flocculating agent, mixing to form a precipitate, and adsorbing the precipitate on the inner wall of the tank body (1);
step two, the motor (3) drives the first bevel gear (31) to rotate, the first bevel gear (31) drives the second bevel gear (32), the fixed shaft (11), the first belt pulley, the fixed disc (12) and the transverse plate (13) to rotate, the transverse plate (13) drives the roller shaft (14) to revolve along the gear ring (17), the planetary gear (18) is matched with the gear ring (17) to perform meshing action, the roller shaft (14) is driven to rotate along the second bearing, the roller shaft (14) drives the roller (15) and the scraper (16) to rotate, and wall scraping operation is performed on the inner wall of the box body (1);
thirdly, the first belt pulley drives the linkage belt pulley and the linkage shaft (34) to rotate, the linkage belt pulley positioned below drives the hollow shaft (2) to rotate, the hollow shaft (2) drives the L-shaped plate (27), the square shaft (22), the impeller disc (23) and the impeller (24) due to the limiting effect formed by the square shaft (22) and the square slip ring (21), the inner bottom wall of the box body (1) is subjected to wall scraping operation through the L-shaped plate (27), and electroplating wastewater is driven to be mixed with a flocculating agent through the impeller (24);
step four, the linkage shaft (34) drives a fourth bevel gear (45) to synchronously rotate, the fourth bevel gear (45) drives a third bevel gear (44), a reciprocating shaft (41) and a reciprocating cam (42) to rotate, the square shaft (22) is driven to slide downwards along the square sliding ring (21), the reciprocating stop block (43) is driven to tightly abut against the reciprocating cam (42), when the reciprocating cam (42) rotates, the square shaft (22), the impeller disc (23) and the impeller (24) are driven to slide up and down in a reciprocating mode, electroplating wastewater and a flocculating agent are fully mixed through the impeller (24), and when the square shaft (22) slides up and down, the sealing sleeve (25) is driven to be sleeved on the top end portion of the hollow shaft (2) in a reciprocating sliding mode;
and step five, the sediment generated by wall scraping falls onto the inner bottom wall of the box body (1), the sediment is driven to be gathered in the conical sedimentation cylinder (48) through the wall scraping effect of the L-shaped plate (27), and the sediment is discharged through the drain pipe (49) along with the increasing accumulation of the sediment in the conical sedimentation cylinder (48).
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| CN202210235227.9A CN114853131A (en) | 2022-03-11 | 2022-03-11 | Precipitation separation device for net zero discharge of electroplating wastewater and separation method thereof |
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| CN202210235227.9A CN114853131A (en) | 2022-03-11 | 2022-03-11 | Precipitation separation device for net zero discharge of electroplating wastewater and separation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115676818A (en) * | 2022-10-12 | 2023-02-03 | 山西贝特瑞新能源科技有限公司 | Electrolytic graphite purification furnace stable in operation |
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Application publication date: 20220805 |