CN114558374A - Preliminary filtering device for electroplating wastewater - Google Patents
Preliminary filtering device for electroplating wastewater Download PDFInfo
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- CN114558374A CN114558374A CN202210190399.9A CN202210190399A CN114558374A CN 114558374 A CN114558374 A CN 114558374A CN 202210190399 A CN202210190399 A CN 202210190399A CN 114558374 A CN114558374 A CN 114558374A
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- filter plate
- filter
- rotating roller
- lead screw
- plate unit
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- 238000001914 filtration Methods 0.000 title claims abstract description 45
- 238000009713 electroplating Methods 0.000 title claims abstract description 40
- 239000002351 wastewater Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 241000220317 Rosa Species 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 abstract description 15
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a preliminary filtering device for electroplating wastewater, which comprises a filtering box, filter plate units and a removing mechanism, wherein a hole penetrating through the filtering box is formed in the filtering box vertically, the filter plate units are horizontally arranged in the filtering box and can move left and right, the number of the filter plate units is two, a plurality of uniform filtering holes are formed in the surface of each filter plate unit, the removing mechanism comprises a rotating roller capable of moving up and down, the rotating roller can rotate around the axis of the rotating roller in the process of moving up and down, fixed teeth are fixedly connected to the surface of the rotating roller in a circular array, and the arc length between the fixed teeth is the same as the distance between the filtering holes. In the implementation process of the invention, the wastewater can be filtered to remove particle type impurities in the wastewater, so that the normal operation of subsequent wastewater treatment is ensured, and the number of the filter plate units is two, so that the filter plate units can be used alternately, and the wastewater can be continuously filtered.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment, and particularly relates to a preliminary filtering device for electroplating wastewater.
Background
In order to improve the appearance, conductivity or corrosion resistance of a workpiece, electroplating is used to process the workpiece, and in the electroplating process, not only the waste water generated by electroplating operation is called electroplating waste water, but also the workpiece cleaning solution, the workpiece pretreatment solution and the equipment cooling water are called electroplating waste water.
Can have some particulate matters in electroplating effluent, when handling electroplating effluent, because the existence of this part granule not only can influence electroplating effluent's processing speed, still can pollute the solution after electroplating effluent handles, this application has proposed an electroplating effluent primary filter device for this.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a preliminary filtering device for electroplating wastewater, which effectively solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an electroplating wastewater primary filtering device comprises a filter box, a filter plate unit and a rejecting mechanism,
a hole which penetrates through the filter box up and down is arranged in the filter box,
the filter plate units are horizontally arranged in the filter tank and can move left and right, the number of the filter plate units is two, a plurality of uniform filter holes are arranged on the surface of each filter plate unit,
the removing mechanism comprises a rotating roller capable of moving up and down, the rotating roller can rotate around the axis of the rotating roller in the process of moving up and down, fixed teeth are fixedly connected to the surface of the rotating roller in a circular array, and the arc length between the fixed teeth is the same as the distance between the filtering holes.
Furthermore, the sliding hole has been seted up on the lateral wall of rose box, has seted up the second spout on the inner wall of rose box, and the sliding hole is linked together with the second spout, and is provided with fixed frame in the sliding hole, and fixed frame can slide in sliding hole, second spout, the filter plate unit is located fixed frame, and the filter plate unit can be at fixed frame internal rotation.
Furthermore, a through hole is formed in the fixing frame, and the filter plate unit is installed in the through hole through a hinge shaft.
Further, the side rigid coupling of rose box has the second motor, and the output of second motor can the free rotation, and the rigid coupling has the gear on the output of second motor, the surface of fixed frame is provided with the rack, and the gear cooperates with the rack to when making the second motor rotate, fixed frame can the horizontal slip.
Further, it still includes lead screw and montant to reject the mechanism, the live-rollers is located between lead screw and the montant, the live-rollers with threaded connection between the lead screw, the live-rollers cover is on the montant surface, the upper end of lead screw is provided with first motor, and first motor can drive the lead screw and rotate.
Further, the one end of live-rollers is connected with the nut, and its other end is connected with the cover block, the nut cover outside the lead screw and with lead screw threaded connection, the draw-in groove has been seted up respectively to the both ends of live-rollers, equal rigid coupling has the fixture block on nut and the cover block, in the fixture block can insert the draw-in groove, and fixture block and draw-in groove all are cylindrical.
Further, the equal rigid coupling in both sides of rose box has mount and two side frames, the position that the side at the rose box is close to the upper end is installed to the mount, the lower extreme of side frame rigid coupling at the mount, the upper end at the mount is installed to first motor, lead screw and montant are located two side frames respectively.
Furthermore, vertical first chutes are formed in the side frames, and the nuts and the sleeve blocks are respectively located in the first chutes corresponding to the nuts, so that the nuts can move up and down when the screw rod rotates.
Furthermore, the two sides of the filter box are fixedly connected with storage racks, and the storage racks are of box-packed structures with open upper ends.
Compared with the prior art, the invention has the beneficial effects that:
1) when the electroplating wastewater filtering box is used, a user introduces electroplating wastewater from one end of the filtering box, and the electroplating wastewater flows out of the filtering box after passing through the filtering box. When electroplating effluent flowed through the rose box, the filter unit was the filter screen structure, and it can filter waste water to get rid of the granule type impurity in it, guarantee follow-up waste water treatment's normal clear, the quantity of filter plate unit is two moreover, and it can alternate use, has guaranteed that waste water can be incessant filtration in succession. When the accumulated impurities on one filter plate unit are excessive, the filter plate unit can slide to one side of the filter tank, the other filter plate unit can enter the filter tank, so that the wastewater passing through the filter tank is continuously filtered, the filter plate unit moving to one side of the filter tank can rotate and fall, and at the moment, the particle-type impurities on the surface of the filter plate unit can roll off, so that the surface of the filter plate unit can be in a clean state when the filter plate unit is used again;
2) by arranging the two filter plate units, the two filter plate units can be alternately used when the device is used, so that the device can be continuously and uninterruptedly used;
3) the fixed teeth and the filtering holes are matched to form a walking unit, namely the fixed teeth can be just inserted into the filtering holes, so that impurities in the filtering holes can be discharged, the impurities clamped in the filtering holes can be discharged in a mode that the fixed teeth are inserted into the filtering holes, the inner walls of the filtering holes can stir the fixed teeth, and the rotating roller can rotate;
4) by arranging the first motor, the lead screw, the nut, the sleeve block and the vertical rod, in the using process of the device, when the first motor rotates, the lead screw can rotate along with the first motor, so that the lead screw drives the nut to move, namely the rotating roller can move up and down at the moment, the sleeve block is matched with the vertical rod for use, the rotating roller can be ensured to keep a horizontal angle all the time, the nut is matched with the first sliding groove, so that the nut cannot rotate, further, when the lead screw rotates, the nut can move up and down, and in order to meet the function that the nut cannot rotate, the shape of the nut can be set to be rectangular;
5) the filter plate unit comprises a first motor, a second motor, a gear and a rack, wherein the first motor is arranged on the filter plate unit, the gear and the rack are matched, the fixing frame is driven to slide in the horizontal direction, the filter plate unit can be used alternately, and when the fixing frame moves, the filter plate unit which falls on the filter plate unit can be in contact with the side wall of the filter box, and the filter plate unit can rotate to the horizontal position and enter the inside of the filter box.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view showing the overall construction of an electroplating wastewater primary filtration apparatus according to the present invention;
FIG. 2 is a schematic view showing the internal structure of a filter box of the preliminary filtering apparatus for electroplating wastewater according to the present invention;
FIG. 3 is an enlarged schematic view of a portion A in FIG. 2 of the preliminary filtering apparatus for electroplating wastewater according to the present invention;
FIG. 4 is a schematic bottom view illustrating a fixing frame of the preliminary filtering apparatus for electroplating wastewater according to the present invention;
FIG. 5 is a schematic view of a side structure of the device for preliminary filtering of electroplating wastewater according to the present invention, wherein the screw, the vertical bar and the rotating roller are combined;
FIG. 6 is a schematic view of a side structure of an electroplating wastewater primary filter device according to the present invention, wherein a rotating roller is combined with a fixed tooth;
FIG. 7 is a schematic view of an internal top view structure of a screw rod, a vertical rod and a rotating roller of the preliminary filtering device for electroplating wastewater according to the present invention.
In the figure: 1. a filter box; 2. a fixing frame; 3. a filter plate unit; 4. a fixed mount; 5. a side frame; 6. a first motor; 7. a storage rack; 8. a second motor; 9. a first chute; 10. a lead screw; 11. a second chute; 12. a through hole; 13. a rack; 14. a gear; 15. a hinge shaft; 16. a vertical rod; 17. a nut; 18. sleeving a block; 19. a rotating roller; 20. fixing teeth; 21. a card slot; 22. and (7) clamping blocks.
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.
As shown in figures 1-7, the invention discloses a preliminary filtering device for electroplating wastewater, which comprises a filtering box 1, a filtering plate unit 3 and a rejecting mechanism,
a hole which penetrates through the filter box 1 from top to bottom is arranged in the filter box,
the filter plate units 3 are horizontally arranged in the filter tank 1, the filter plate units 3 can move left and right, the number of the filter plate units 3 is two, a plurality of uniform filter holes are arranged on the surface of each filter plate unit 3 to form a filter screen structure, the filter holes on the filter plate units are the same in size and are uniformly arranged,
the removing mechanism comprises a rotating roller 19 capable of moving up and down, the rotating roller 19 can rotate around the axis of the rotating roller in the process of moving up and down, fixed teeth 20 are fixedly connected to the surface of the rotating roller 19 in a circular array, the arc length between the fixed teeth 20 is the same as the distance between the filtering holes, and when the rotating roller 19 moves downwards, the fixed teeth 20 on the rotating roller can be matched with the filtering holes, so that the rotating roller 19 rotates.
The fixed teeth 20 and the filter holes are matched to form a walking unit, namely the fixed teeth 20 can be just inserted into the filter holes, so that impurities in the filter holes can be discharged, the fixed teeth 20 can be stirred by the inner walls of the filter holes, and the rotating roller 19 can rotate.
In practice, the fixed teeth 20 have a plurality of sets, the arc length of two adjacent sets of fixed teeth 20 is the same as the distance between the filter holes, the length of the fixed teeth 20 is slightly greater than the distance between the rotating roller 19 and the filter plate unit 3, and during the downward movement of the rotating roller 19, the rotating roller is always subjected to a downward force to move the rotating roller downward, the upper end surface of the filter plate unit 3 is in contact with one set of fixed teeth 20, so that the next set of fixed teeth 20 enters the filter holes, when the rotating roller 19 continues to move downward, the lower inner wall of the filter holes applies an upward thrust to the lower wall of the fixed teeth 20, so that the rotating roller 19 rotates, and when the set of fixed teeth 20 is about to separate from the filter holes, the next set of fixed teeth 20 is inserted into the filter holes, so that the purpose of the repeated movement process, that is realized, that the rotating roller 19 rotates.
When this device used, the user lets in electroplating effluent by the one end of rose box 1, and electroplating effluent passes behind the rose box 1 outside the filter box 1 that flows. When electroplating wastewater flows through filter box 1, filter unit 3 is the filter screen structure, and it can filter waste water to get rid of the granule type impurity in it, guarantee follow-up waste water treatment's normal clear, filter plate unit 3's quantity is two moreover, and it can alternate use, has guaranteed that waste water can be incessant filtration in succession. When the accumulated impurities on one of the filter plate units 3 are excessive, the filter plate unit can slide to one side of the filter tank 1, the other filter plate unit 3 can enter the filter tank 1, then the wastewater passing through the filter tank 1 is continuously filtered, the filter plate unit 3 moving to one side of the filter tank 1 can rotate and drop, the particle impurities on the surface of the filter plate unit can roll off, and the surface of the filter plate unit 3 can be in a clean state when the filter plate unit is reused.
On the surface of filter plate unit 3, can have some particulate impurity, its card is on the surface of filter plate unit 3, and through rejecting the use of mechanism this moment, can reject the particulate type impurity that inlays on filter plate unit 3, and then guaranteed that this device can normal use.
The lateral wall of the filter box 1 is provided with a sliding hole, the inner wall of the filter box 1 is provided with a second sliding groove 11, the sliding hole is communicated with the second sliding groove 11, a fixing frame 2 is arranged in the sliding hole, the fixing frame 2 can slide in the sliding hole and the second sliding groove 11, the filter plate unit 3 is positioned in the fixing frame 2, and the filter plate unit 3 can rotate in the fixing frame 2. The fixed frame 2 has a through hole 12 therein, and the filter plate unit 3 is mounted in the through hole 12 by a hinge shaft 15. The filter plate units 3 are installed in the fixed frame 2, when the fixed frame 2 slides, one of the filter plate units 3 can move to one side of the filter tank 1 along with the fixed frame, and in the process, the filter plate unit 3 can rotate downwards around the hinge shaft 15 under the influence of the gravity of the filter plate unit 3 until the filter plate unit rotates to a vertical position, and in the process, impurities on the surface of the filter plate unit 3 can also slide down along the surface of the filter plate unit 3, so that the cleaning effect is achieved.
The moving mode of the fixed frame 2 can be realized by the following scheme: the side rigid coupling of rose box 1 has second motor 8, the output of second motor 8 can the free rotation, and the rigid coupling has gear 14 on the output of second motor 8, the surface of fixed frame 2 is provided with rack 13, gear 14 and rack 13 cooperation, so that when second motor 8 rotates, fixed frame 2 can the horizontal slip, and second motor 8 can corotation and reversal, when second motor 8 corotation, fixed frame 2 can slide towards a direction, and when second motor 8 reversal, fixed frame 2 can rotate towards opposite direction.
The rejection mechanism further comprises a screw rod 10 and a vertical rod 16, the rotating roller 19 is located between the screw rod 10 and the vertical rod 16, and the rotating roller 19 is in threaded connection with the screw rod 10, so that the screw rod 10 can move up and down when rotating, the rotating roller 19 is sleeved on the surface of the vertical rod 16, the upper end of the screw rod 10 is provided with a first motor 6, and the first motor 6 can drive the screw rod 10 to rotate.
The two ends of the rotating roller 19 are respectively connected with the screw rod 10 and the vertical rod 16, the screw rod 10 is driven by the first motor 6, namely the first motor 6 can drive the screw rod 10 to rotate, when the screw rod 10 rotates, the rotating roller 19 can move up and down along the screw rod, and then move along the surface of the filter plate unit 3 which is dropped, and when the rotating roller 19 moves up and down, the rotating roller 19 can also rotate, and then impurities on the surface of the filter plate unit 3 are removed.
One end of the rotating roller 19 is connected with a nut 17, the other end of the rotating roller is connected with a sleeve block 18, the nut 17 is sleeved outside the screw rod 10 and is in threaded connection with the screw rod 10, clamping grooves 21 are respectively formed in two ends of the rotating roller 19, clamping blocks 22 are fixedly connected to the nut 17 and the sleeve block 18, the clamping blocks 22 can be inserted into the clamping grooves 21, the clamping blocks 22 and the clamping grooves 21 are cylindrical, and therefore when the rotating roller 19 moves up and down, the rotating roller 19 can rotate around the clamping blocks 22.
The two sides of the filter box 1 are fixedly connected with a fixing frame 4 and two side frames 5, the fixing frame 4 is installed on the side face of the filter box 1 close to the upper end, the side frames 5 are fixedly connected to the lower end of the fixing frame 4, the first motor 6 is installed on the upper end of the fixing frame 4, and the screw rod 10 and the vertical rod 16 are located in the two side frames 5 respectively.
Vertical first sliding grooves 9 are formed in the side frames 5, and the nuts 17 and the sleeve blocks 18 are located in the corresponding first sliding grooves 9 respectively, so that the nuts 17 can move up and down when the screw rod 10 rotates.
The two sides of the filter box 1 are further fixedly connected with storage frames 7, the storage frames 7 are of a box-packed structure with an opening at the upper end, and the storage frames 7 can increase the stability of the filter box 1 on one hand and can also receive impurities falling from the filter plate units 3 on the other hand.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (9)
1. The utility model provides an electroplating effluent primary filter equipment which characterized in that: comprises a filter box (1), a filter plate unit (3) and a rejecting mechanism,
a hole which penetrates through the filter box (1) up and down is arranged in the filter box,
the filter plate units (3) are horizontally arranged in the filter tank (1), the filter plate units (3) can move left and right, the number of the filter plate units (3) is two, a plurality of uniform filter holes are formed in the surface of each filter plate unit (3),
the removing mechanism comprises a rotating roller (19) capable of moving up and down, the rotating roller (19) can rotate around the axis of the rotating roller in the process of moving up and down, fixed teeth (20) are fixedly connected to the surface of the rotating roller (19) in a circular array, and the arc length between the fixed teeth (20) is the same as the distance between the filtering holes.
2. The preliminary filtering apparatus for electrolytic plating waste water according to claim 1, characterized in that: the filter plate is characterized in that a sliding hole is formed in the side wall of the filter box (1), a second sliding groove (11) is formed in the inner wall of the filter box (1), the sliding hole is communicated with the second sliding groove (11), a fixing frame (2) is arranged in the sliding hole, the fixing frame (2) can slide in the sliding hole and the second sliding groove (11), the filter plate unit (3) is located in the fixing frame (2), and the filter plate unit (3) can rotate in the fixing frame (2).
3. The preliminary filtering apparatus for electrolytic plating waste water according to claim 2, characterized in that: the fixed frame (2) is provided with a through hole (12), and the filter plate unit (3) is arranged in the through hole (12) through a hinge shaft (15).
4. The preliminary filtering apparatus for electrolytic plating waste water according to claim 2, characterized in that: the side rigid coupling of rose box (1) has second motor (8), and the output of second motor (8) can the free rotation, and the rigid coupling has gear (14) on the output of second motor (8), the surface of fixed frame (2) is provided with rack (13), gear (14) and rack (13) cooperation to when making second motor (8) rotate, fixed frame (2) can the horizontal slip.
5. The preliminary filtering apparatus for electrolytic plating waste water according to claim 1, characterized in that: the rejection mechanism further comprises a lead screw (10) and a vertical rod (16), the rotating roller (19) is located between the lead screw (10) and the vertical rod (16), the rotating roller (19) is in threaded connection with the lead screw (10), the rotating roller (19) is sleeved on the surface of the vertical rod (16), the upper end of the lead screw (10) is provided with a first motor (6), and the first motor (6) can drive the lead screw (10) to rotate.
6. The preliminary filtering apparatus for electrolytic plating waste water according to claim 5, characterized in that: the one end of live-rollers (19) is connected with nut (17), and its other end is connected with cover piece (18), and nut (17) cover is outside lead screw (10) and with lead screw (10) threaded connection, draw-in groove (21) have been seted up respectively to the both ends of live-rollers (19), equal rigid coupling has fixture block (22) on nut (17) and cover piece (18), and in fixture block (22) can insert draw-in groove (21), and fixture block (22) all are cylindrical with draw-in groove (21).
7. The preliminary filtering apparatus for electrolytic plating waste water according to claim 6, characterized in that: the equal rigid coupling in both sides of rose box (1) has mount (4) and two side frames (5), the position that the side at rose box (1) is close to the upper end is installed in mount (4), the lower extreme of side frame (5) rigid coupling at mount (4), the upper end at mount (4) is installed in first motor (6), lead screw (10) are located two side frames (5) respectively with montant (16).
8. The preliminary filtering apparatus for electrolytic plating waste water according to claim 7, characterized in that: vertical first sliding chutes (9) are formed in the side frames (5), nuts (17) and sleeve blocks (18) are located in the first sliding chutes (9) corresponding to the nuts respectively, and therefore when the lead screw (10) rotates, the nuts (17) can move up and down.
9. The preliminary filtering apparatus for electrolytic plating waste water according to claim 1, characterized in that: two sides of the filter box (1) are also fixedly connected with a storage rack (7), and the storage rack (7) is of a box-packed structure with an opening at the upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210190399.9A CN114558374A (en) | 2022-02-28 | 2022-02-28 | Preliminary filtering device for electroplating wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210190399.9A CN114558374A (en) | 2022-02-28 | 2022-02-28 | Preliminary filtering device for electroplating wastewater |
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| CN114558374A true CN114558374A (en) | 2022-05-31 |
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| CN202210190399.9A Pending CN114558374A (en) | 2022-02-28 | 2022-02-28 | Preliminary filtering device for electroplating wastewater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116272101A (en) * | 2023-05-25 | 2023-06-23 | 博鼎储能科技(山东)有限公司 | Novel power generation and energy storage device based on underground rainwater pipeline network |
| CN117244299A (en) * | 2023-11-10 | 2023-12-19 | 南京易普易达科技发展有限公司 | Central pure water intelligent operation and maintenance equipment |
| CN117619006A (en) * | 2024-01-25 | 2024-03-01 | 意特利（滁州）智能数控科技有限公司 | Machine tool lubricating waste oil treatment device |
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| CN212732724U (en) * | 2020-06-17 | 2021-03-19 | 四川同风源建设工程有限公司 | Landscape engineering is with removing water jet equipment |
| CN215841852U (en) * | 2021-07-20 | 2022-02-18 | 河南天冠铝业有限公司 | Filtering device for water circulation system of curtain wall aluminum product cleaning pool |
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| CN116272101A (en) * | 2023-05-25 | 2023-06-23 | 博鼎储能科技(山东)有限公司 | Novel power generation and energy storage device based on underground rainwater pipeline network |
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