CN117585855B - Chromium recovery device for passivation process of electroplating automatic line - Google Patents
Chromium recovery device for passivation process of electroplating automatic line Download PDFInfo
- Publication number
- CN117585855B CN117585855B CN202311784331.4A CN202311784331A CN117585855B CN 117585855 B CN117585855 B CN 117585855B CN 202311784331 A CN202311784331 A CN 202311784331A CN 117585855 B CN117585855 B CN 117585855B
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- Prior art keywords
- gear
- plate
- supporting
- slag removing
- motor
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- 238000011084 recovery Methods 0.000 title claims abstract description 25
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 22
- 239000011651 chromium Substances 0.000 title claims abstract description 22
- 238000002161 passivation Methods 0.000 title claims abstract description 15
- 238000009713 electroplating Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 8
- 239000013049 sediment Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005342 ion exchange Methods 0.000 claims abstract description 13
- 239000002893 slag Substances 0.000 claims description 77
- 238000006243 chemical reaction Methods 0.000 claims description 69
- 238000002156 mixing Methods 0.000 claims description 40
- 238000007790 scraping Methods 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 238000004064 recycling Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 24
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 239000003818 cinder Substances 0.000 description 20
- 239000002244 precipitate Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000013329 compounding Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910001430 chromium ion Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/07—Stirrers characterised by their mounting on the shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/95—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers having planetary motion, i.e. rotating about their own axis and about a sun axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
- B01F35/12—Maintenance of mixers using mechanical means
- B01F35/123—Maintenance of mixers using mechanical means using scrapers for cleaning mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a chromium recovery device for an electroplating automatic line passivation procedure, which relates to the technical field of electroplating wastewater treatment and comprises a support frame, an ion exchange device and a purification device, wherein a program control system is externally connected with the support frame; the invention can fully react the wastewater with the chemical reagent, further improves the treatment effect on chromium in the wastewater, can carry out secondary filtration and recovery on the sediment remained in the waste liquid, and reduces the sediment remained in the waste liquid.
Description
Technical Field
The invention relates to the technical field of electroplating wastewater treatment, in particular to a chromium recovery device for an electroplating automatic line passivation procedure.
Background
The automatic line passivation process of electroplating is to treat the surface of metal, and the metal is placed in a chromate or dichromate solution, so that a chromate passivation film can be formed on the surface of the metal, and the chromate passivation film can improve the corrosion resistance of a plating layer; after passivation is finished, passivation waste liquid is generated, if the passivation waste liquid is directly discharged into the environment, the environment is polluted, a great deal of waste of chromium is caused by direct discharge, and a reducing agent and calcium hydroxide or sodium hydroxide are added into the waste liquid to reduce and precipitate the chromium in the prior art.
The chinese patent with application number of CN201520894370.4 proposes a chromium recovery device for electroplating chromium-containing wastewater, which realizes recovery of chromium ions by setting up an adjusting tank, a plurality of filters, and a chromium removal device, but the patent cannot make chromium ions fully react with chemical reagents, and at the same time, the connection is also easily blocked in the filtration recovery process, thereby affecting the overall recovery efficiency and recovery quality.
Disclosure of Invention
The invention provides a chromium recovery device for an electroplating automatic line passivation procedure, which comprises a supporting frame, an ion exchange device and a purifying device, wherein a program control system is externally connected with the supporting frame, a regulating and controlling component and a separating component are arranged on the supporting frame, the separating component is connected with the regulating and controlling component, the regulating and controlling component is arranged below the separating component, a pipeline component is connected below the side surface of the separating component, the pipeline component comprises a first horizontal pipe, a vertical pipe and a second horizontal pipe, the first horizontal pipe is connected with the second horizontal pipe through the vertical pipe, a blocking-proof component, a first water suction pump and a first control valve are arranged at the joint of the first horizontal pipe and the separating component, a plurality of groups of slag cleaning components are distributed on the first vertical pipe up and down, the second horizontal pipe is connected with the ion exchange device, a second water suction pump and a second control valve are arranged on the second horizontal pipe, the ion exchange device is connected with the purifying device through a connecting pipe, and a third water suction pump and a third control valve are arranged on the connecting pipe.
Further, the separation assembly comprises a reaction unit, a driving unit, a mixing unit and a scraping unit, wherein the reaction unit is arranged on the supporting frame, the driving unit is arranged on the reaction unit, the mixing unit is arranged on the driving unit, the mixing unit and the scraping unit are arranged in the reaction unit, the mixing unit is arranged above the scraping unit, the scraping unit is arranged below the reaction unit, and the reaction unit and the scraping unit are connected with the regulation and control assembly.
Further, the reaction unit includes reaction box, inlet pipe one, gear three, supporting seat two and inlet pipe two, supporting seat two fixed mounting is on the support frame, reaction box fixed mounting is on supporting seat two, gear three rotates to be installed on the reaction box, inlet pipe one and inlet pipe two are all installed on gear three, inlet pipe one and inlet pipe two all communicate with the reaction box, inlet pipe one external has priming device one, inlet pipe two external has priming device two, the inside bottom surface of reaction box is the conical surface that highly diminishes gradually from the edge toward the centre, the below at the reaction box side is installed to the pipeline subassembly.
Further, the driving unit comprises a first linear motor, a fourth gear, a second motor, a first supporting seat, a first sliding seat, a third motor, a third supporting seat, a fifth gear, a first supporting shaft, a second supporting shaft and a sixth gear, wherein the first supporting seat is fixedly arranged on the side face of the reaction box, the second motor is fixedly arranged on the first supporting seat, the fourth gear is fixedly arranged on an output shaft of the second motor, the fourth gear is in meshed connection with the third gear, the first linear motor is fixedly arranged on the third gear, the first sliding seat is arranged on the first linear motor, the first sliding seat is driven to move by the first linear motor, the third motor is fixedly arranged on the third supporting seat, the fifth gear is fixedly arranged on an output shaft of the third motor, the sixth gear is rotatably arranged on the second supporting shaft, the fifth gear is in meshed connection with the sixth gear, the second supporting shaft is fixedly arranged on the sixth gear, and the third supporting shaft is in sliding connection with the third gear.
Further, the mixing unit comprises an end face gear, a mixing plate and a gear seven, wherein the end face gear is coaxially and fixedly arranged on a first supporting shaft, the mixing plate is rotatably arranged on a second supporting shaft, the gear seven is coaxially and fixedly arranged on the mixing plate, the mixing plate is connected with the end face gear in a meshed mode, the mixing plate and the gear seven are uniformly distributed at the lower end of the second supporting shaft in a circumferential mode, and a plurality of water outlets are formed in each mixing plate.
Further, the regulation and control subassembly includes backup pad, support column, blanking section of thick bamboo and electric jar, electric jar fixed mounting is on the support frame, backup pad fixed mounting is on the piston rod of electric jar, the coaxial rotation of blanking section of thick bamboo is installed in the backup pad, and blanking section of thick bamboo and backup pad are fixed relatively in axial direction, the coaxial rotation of support column is installed in the reaction box, and support column and reaction box are fixed relatively in axial direction, the support column passes through spline connection with blanking section of thick bamboo, be provided with the discharge gate on the support column, through opening or closing of the removal control discharge gate of blanking section of thick bamboo.
Further, scrape the material unit including collection box one, arc scrape the stock pole, gear one, gear two and first motor, collection box one fixed mounting is on the support frame, arc scrape stock pole fixed mounting is on the support column, arc scrape the stock pole and be provided with a plurality ofly, a plurality of arc scrape the stock pole and be circumference form evenly distributed, every equal fixed mounting has the baffle on the one end that the support column was kept away from to the arc scrape the stock pole, be provided with the inclined plane on the baffle, first motor fixed mounting is in the backup pad, a gear coaxial fixed mounting is on the output shaft of first motor, two coaxial fixed mounting of gear are on the blanking section of thick bamboo, gear one and two meshing connections of gear.
Further, prevent stifled subassembly includes bracing piece, spring two and prevents the jam plate, bracing piece fixed mounting is in horizontal pipe one, prevent stifled board rotation and install in horizontal pipe one, prevent stifled board slope setting, be provided with a plurality of filtration holes one on the prevent stifled board, prevent that the jam plate passes through spring two and is connected with the bracing piece.
Further, the scarfing cinder subassembly includes scarfing cinder case, collection box two, curb plate, scarfing cinder frame, scarfing cinder board, sliding plate, fourth motor, scarfing cinder pole, slide two and linear electric motor two, scarfing cinder frame fixed mounting is on the vertical pipe, be provided with cavity one and cavity two in the scarfing cinder frame, equal fixed mounting of scarfing cinder case, curb plate and fourth motor is on scarfing cinder frame, collection box two slidable mounting is on scarfing cinder case, scarfing cinder board and linear electric motor two equal slidable mounting are on scarfing cinder frame, be connected with spring one between linear electric motor two and the scarfing cinder frame, the scarfing cinder board passes through slide two and is connected with linear electric motor two, sliding plate slidable mounting is in scarfing cinder frame, sliding plate and scarfing cinder board sliding connection, scarfing cinder pole fixed mounting is on the output shaft of fourth motor, collection box two sets up in the below of scarfing cinder pole, fourth motor, scarfing cinder pole all is provided with two, and distributes on two sides of linear electric motor two, scarfing cinder motor, two filter holes are provided with two, two filter holes are all in the cavity one, two filter holes are all set up with two in the diameter.
Compared with the prior art, the invention has the beneficial effects that: (1) The mixing plates in the invention can rotate around the center of the reaction box while moving up and down in the reaction box, so that the waste water and the chemical reagent can fully react through the plurality of mixing plates, and the treatment effect on chromium in the waste water is improved; (2) According to the invention, the posture of the mixing plate can be changed, so that large particle sediments in the wastewater can be pressed to the bottom of the reaction box when the mixing plate descends, and the sedimentation efficiency can be improved; (3) According to the invention, when waste liquid is extracted, residual sediment can be filtered through the anti-blocking component to be buffed, so that blocking can be prevented, and the problem that recovery efficiency is affected due to blocking in the prior art is solved; (4) The invention can control the opening or closing of the discharge port through the regulating and controlling component, and the discharge port is closed in the reaction and opened in the recovery of sediment, thereby being convenient for cleaning and maintenance, and avoiding the problems of blockage of the discharge port, low discharge efficiency and inconvenient cleaning and maintenance caused by long-time use in the prior art; (5) The invention can carry out secondary filtration recovery on the sediment remained in the waste liquid through the slag removal component, further improves the recovery effect, greatly reduces the sediment remained in the waste liquid, and is convenient for the subsequent further treatment of the waste water.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a partial structure of the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a cross-sectional view taken along A-A in fig. 4 in accordance with the present invention.
Fig. 6 is an enlarged view of the structure of fig. 5B according to the present invention.
Fig. 7 is an enlarged view of fig. 5C according to the present invention.
FIG. 8 is a schematic diagram of a control assembly and a scraping unit according to the present invention.
Fig. 9 is a cross-sectional view taken along the direction B-B in fig. 8 in accordance with the present invention.
FIG. 10 is a schematic diagram of a control assembly and a scraping unit according to the present invention.
Fig. 11 is a cross-sectional view taken along the direction C-C in fig. 10 in accordance with the present invention.
FIG. 12 is a schematic view of a part of the separation assembly according to the present invention.
FIG. 13 is a schematic diagram showing a partial structure of a separation assembly according to the present invention.
Fig. 14 is a schematic diagram of a partial structure of the present invention.
FIG. 15 is a schematic structural view of a slag removing assembly according to the present invention.
FIG. 16 is a schematic view of a part of the slag removing assembly according to the present invention.
FIG. 17 is a schematic diagram showing a partial structure of the slag removing assembly according to the present invention.
Fig. 18 is a cross-sectional view taken along the direction D-D in fig. 17 in accordance with the present invention.
FIG. 19 is a schematic view showing a partial structure of the slag removing assembly according to the present invention.
Reference numerals: 101-supporting frames; 201, recycling a first box; 202-a support plate; 203-an arc scraping rod; 204-gear one; 205-gear two; 206-supporting columns; 207-a first motor; 208-blanking cylinder; 209-electric cylinder; 210-a discharge hole; 301-a reaction box; 302-a first feeding pipe; 303-gear three; 304-a first linear motor; 305-gear four; 306-a second motor; 307-first support seat; 308-a second supporting seat; 309-first carriage; 310-a second feeding pipe; 311-a third motor; 312-third supporting seat; 313-gear five; 314-support shaft one; 315-a second supporting shaft; 316-gear six; 401-a slag removal box; 402, recycling a second tank; 403-side plates; 404-a slag removal frame; 405-a slag removal plate; 406-a sliding plate; 407-fourth motor; 408-a slag removing rod; 409-second slide; 410-a second linear motor; 411-spring one; 501-an ion exchange device; 601 a purification device; 701-a pipe assembly; 801-face gear; 802-mixing plates; 803-gear seven; 901-supporting rods; 902-spring II; 903-anti-blocking plate.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
Examples: the chromium recovery device comprises a support frame 101, an ion exchange device 501 and a purification device 601, wherein the support frame 101 is externally connected with a program control system, a regulating component and a separating component are installed on the support frame 101, the separating component is connected with the regulating component, the regulating component is arranged below the separating component, a pipeline component 701 is connected below the side face of the separating component, the pipeline component 701 comprises a first horizontal pipe, a second vertical pipe and a second horizontal pipe, the first horizontal pipe is connected with the second horizontal pipe through the first vertical pipe, an anti-blocking component, a first suction pump and a first control valve are installed at the joint of the first horizontal pipe and the separating component, a plurality of groups of slag cleaning components are installed on the first vertical pipe, the plurality of groups of slag cleaning components are distributed on the first vertical pipe up and down, the second horizontal pipe is connected with the ion exchange device 501, the second suction pump and the second control valve are installed on the second horizontal pipe, the ion exchange device 501 is connected with the purification device 601 through a connecting pipe, and the third suction pump and the third control valve are installed on the connecting pipe.
The separation assembly comprises a reaction unit, a driving unit, a mixing unit and a scraping unit, wherein the reaction unit is arranged on a supporting frame 101, the driving unit is arranged on the reaction unit, the mixing unit is arranged on the driving unit, the mixing unit and the scraping unit are arranged in the reaction unit, the mixing unit is arranged above the scraping unit, the scraping unit is arranged below the reaction unit, and the reaction unit and the scraping unit are connected with the regulation and control assembly.
The reaction unit comprises a reaction box 301, a first feeding pipe 302, a third gear 303, a second supporting seat 308 and a second feeding pipe 310, wherein the second supporting seat 308 is fixedly arranged on the supporting frame 101, the reaction box 301 is fixedly arranged on the second supporting seat 308, the third gear 303 is rotatably arranged on the reaction box 301, the first feeding pipe 302 and the second feeding pipe 310 are respectively arranged on the third gear 303, the first feeding pipe 302 and the second feeding pipe 310 are respectively communicated with the reaction box 301, the first feeding pipe 302 is externally connected with a first liquid injection device, the second feeding pipe 310 is externally connected with a second liquid injection device, the bottom surface inside the reaction box 301 is a conical surface with the height gradually reduced from the edge to the middle, and the pipeline component 701 is arranged below the side surface of the reaction box 301.
The driving unit comprises a first linear motor 304, a fourth gear 305, a second motor 306, a first supporting seat 307, a first sliding seat 309, a third motor 311, a third supporting seat 312, a fifth gear 313, a first supporting shaft 314, a second supporting shaft 315 and a sixth gear 316, wherein the first supporting seat 307 is fixedly arranged on the side surface of the reaction box 301, the second motor 306 is fixedly arranged on the first supporting seat 307, the fourth gear 305 is coaxially and fixedly arranged on an output shaft of the second motor 306, the fourth gear 305 is in meshed connection with the third gear 303, the first linear motor 304 is fixedly arranged on the third gear 303, the first sliding seat 309 is arranged on the first linear motor 304, the first sliding seat 309 is driven to move by the first linear motor 304, the third supporting seat 312 and the second supporting shaft 315 are fixedly arranged on the first sliding seat 309, the third motor 311 is fixedly arranged on the third supporting seat 312, the fifth gear 313 is coaxially and fixedly arranged on an output shaft of the third motor 311, the sixth gear 316 is rotatably arranged on the second supporting shaft, the fifth gear 313 is meshed with the sixth gear 316, the first supporting shaft 314 is fixedly arranged on the sixth gear 316, the second supporting shaft 303 is fixedly arranged on the sixth gear 316, the sliding seat 315 is connected with the sliding seat 315.
The mixing unit includes face gear 801, compounding board 802 and gear seven 803, face gear 801 coaxial fixed mounting is on back shaft one 314, and compounding board 802 rotates to be installed on back shaft two 315, and gear seven 803 coaxial fixed mounting is on compounding board 802, and compounding board 802 and face gear 801 meshing are connected, and compounding board 802 and gear seven 803 all are provided with a plurality ofly, and are circumference form evenly distributed at the lower extreme of back shaft two 315, have all seted up a plurality of apopores on every compounding board 802.
The regulation and control assembly comprises a supporting plate 202, a supporting column 206, a blanking cylinder 208 and an electric cylinder 209, wherein the electric cylinder 209 is fixedly arranged on the supporting frame 101, the supporting plate 202 is fixedly arranged on a piston rod of the electric cylinder 209, the blanking cylinder 208 is coaxially and rotatably arranged on the supporting plate 202, the blanking cylinder 208 and the supporting plate 202 are relatively fixed in the axial direction, the supporting column 206 is coaxially and rotatably arranged in a reaction box 301, the supporting column 206 and the reaction box 301 are relatively fixed in the axial direction, the supporting column 206 and the blanking cylinder 208 are connected through a spline, a discharge hole 210 is arranged on the supporting column 206, and the opening or closing of the discharge hole 210 is controlled through the movement of the blanking cylinder 208.
The scraping unit comprises a first recovery box 201, arc scraping rods 203, a first gear 204, a second gear 205 and a first motor 207, wherein the first recovery box 201 is fixedly installed on the support frame 101, the arc scraping rods 203 are fixedly installed on a supporting column 206, the arc scraping rods 203 are provided with a plurality of arc scraping rods 203 which are uniformly distributed in a circumferential shape, a baffle is fixedly installed at one end, far away from the supporting column 206, of each arc scraping rod 203, an inclined surface is arranged on the baffle, the first motor 207 is fixedly installed on the support plate 202, the first gear 204 is coaxially and fixedly installed on an output shaft of the first motor 207, the second gear 205 is coaxially and fixedly installed on a blanking barrel 208, and the first gear 204 is meshed with the second gear 205.
The anti-blocking assembly comprises a support rod 901, a spring II 902 and an anti-blocking plate 903, wherein the support rod 901 is fixedly arranged in a horizontal pipe I, the anti-blocking plate 903 is rotatably arranged in the horizontal pipe I, the anti-blocking plate 903 is obliquely arranged, a plurality of first filtering holes are formed in the anti-blocking plate 903, and the anti-blocking plate 903 is connected with the support rod 901 through the spring II 902.
The slag removing assembly comprises a slag removing box 401, a recycling box II 402, a side plate 403, a slag removing frame 404, a slag removing plate 405, a sliding plate 406, a fourth motor 407, a slag removing rod 408, a sliding seat II 409 and a linear motor II 410, wherein the slag removing frame 404 is fixedly arranged on a vertical pipe, a cavity I and a cavity II are arranged in the slag removing frame 404, the slag removing box 401, the side plate 403 and the fourth motor 407 are fixedly arranged on the slag removing frame 404, the recycling box II 402 is slidably arranged on the slag removing box 401, the slag removing plate 405 and the linear motor II 410 are slidably arranged on the slag removing frame 404, a spring I411 is connected between the linear motor II 410 and the slag removing frame 404, the slag removing plate 405 is connected with the linear motor II 410 through the sliding seat II 409, the sliding plate 406 is slidably mounted in the slag removing frame 404, the sliding plate 406 is slidably connected with the slag removing plate 405, the slag removing rod 408 is fixedly mounted on an output shaft of the fourth motor 407, the second recovery box 402 is arranged below the slag removing rod 408, the fourth motor 407 and the slag removing rod 408 are both provided with two, and are distributed on two sides of the second linear motor 410, a plurality of second filtering holes are formed in the slag removing plate 405, the slag removing plate 405 is arranged in the first chamber, the second recovery box 402, the fourth motor 407, the slag removing rod 408 and the second linear motor 410 are all arranged in the second chamber, the diameter of the second filtering holes is smaller than that of the first filtering holes, and the joint of the first chamber and the second chamber is provided with a track groove.
The reaction unit works as follows: the waste water generated in the passivation process of the electroplating automatic line is injected into the reaction box 301 through a first feeding pipe 302 of the liquid injection device, the chemical reagent is injected into the reaction box 301 through a second feeding pipe 310 of the liquid injection device, and chromium in the waste water reacts with the chemical reagent and precipitates.
The driving unit and the mixing unit work as follows: the output shaft of the second motor 306 drives the fourth gear 305 to rotate, the fourth gear 305 drives the third gear 303 to rotate, the first gear 309 drives the second support shaft 315 to rotate through the first linear motor 304 when the third gear 303 rotates, the second support shaft 315 drives the mixing unit to rotate, the first linear motor 304 drives the first slide 309 to move up and down, the first slide 309 drives the second support shaft 315 to move up and down, the second support shaft 315 drives the mixing unit to move up and down, the output shaft of the third motor 311 drives the fifth gear 313 to rotate, the fifth gear 313 drives the first support shaft 314 to rotate through the sixth gear 316, the first support shaft 314 drives the seventh gear 803 to rotate through the end face gear 801, the seventh gear 803 drives the mixing plate 802 to rotate (as shown in fig. 12), and then the mixing plate 802 can rotate around the center of the reaction box 301 while moving up and down, thereby the treatment effect of chromium in the waste water can be fully reacted through the plurality of mixing plates 802, after the reaction is completed, the precipitate containing chromium falls onto the bottom surface of the reaction box 301 through standing precipitation, the precipitate is enabled to fall to the bottom surface of the precipitation plate 802 to be aligned with the surface of the precipitation plate 802 (as shown in fig. 13), the standing precipitation plate 802 can be pushed down, the mixing plate 802 can be pushed down, and the granule can be greatly mixed into the reaction box is enabled to be pushed down by the precipitation plate 13.
The scraping unit works: the output shaft of the first motor 207 drives the first gear 204 to rotate, the first gear 204 drives the blanking cylinder 208 to rotate through the second gear 205, the blanking cylinder 208 drives the arc scraping rod 203 to rotate through the supporting column 206, and the arc scraping rod 203 drives the baffle to rotate.
The anti-blocking component works: after precipitation is completed, the first control valve on the first horizontal pipe is opened, waste water in the reaction tank 301 is pumped out through the first water suction pump, sediment in the water is filtered through the anti-blocking plate 903, when the arc scraping rod 203 drives the baffle to rotate to the position of the anti-blocking plate 903, the baffle pushes the anti-blocking plate 903 to rotate, when the baffle is separated from the anti-blocking plate 903, the second spring 902 drives the anti-blocking plate 903 to reset through elasticity, and the anti-blocking plate 903 shakes away the sediment remained after filtration while resetting, so that blocking can be prevented.
When regulating the unit assembly: the piston rod of the electric cylinder 209 drives the supporting plate 202 to move, the supporting plate 202 drives the blanking cylinder 208 to slide in the supporting column 206, and when the supporting column 206 moves to the position of the discharge port 210, the discharge port 210 is blocked, so that the discharge port 210 is closed; when the support column 206 is separated from the discharge port 210, the discharge port 210 is opened.
When the slag removing assembly works, the slag removing assembly comprises the following components: the output shaft of the fourth motor 407 drives the slag removing rod 408 to rotate, so that the slag removing rod 408 rotates to a vertical posture, the first water suction pump pumps waste water in the reaction tank 301 into the vertical pipe through the horizontal pipe I, when the waste water passes through the slag removing plate 405, sediment left in the waste water is filtered through the second filtering holes on the slag removing plate 405, when the sediment on the slag removing plate 405 is excessively accumulated, the slag removing plate 405 descends under the driving of the sediment, when the slag removing plate 405 descends to the position of the track groove, the second linear motor 410 drives the slag removing plate 405 to move from the first chamber to the second chamber through the second sliding seat 409, when the slag removing plate 405 moves beyond the slag removing rod 408 but is not completely removed from the first chamber, the output shaft of the fourth motor 407 drives the slag removing rod 408 to a horizontal posture, the second linear motor 410 drives the slag removing plate 405 to move from the first chamber through the second sliding seat 409, sediment accumulated on the slag removing plate 405 is scraped into the second chamber 402 through the slag removing rod 408 when the sediment is moved, the sediment accumulated on the slag removing plate 405 is collected in the second chamber 402, and the sediment is taken out after the sediment is collected, and the sediment is taken out; when the slag removing plates 405 in one group of slag removing components are moved out, the sediment is filtered through the slag removing plates 405 in the other group of slag removing components, so that the large-particle sediment remained in the wastewater can be filtered and collected, and the sediment separation effect is improved.
The working principle of the invention is as follows: the waste water and the chemical reagent are injected into the reaction tank 301, the waste water and the chemical reagent fully react through the driving unit and the mixing unit, after the reaction is completed, the sediment containing chromium falls onto the bottom surface inside the reaction tank 301 through standing and precipitation, the waste water in the reaction tank 301 is pumped into the pipeline component 701 through the anti-blocking component through the first water suction pump, the sediment remained in the waste water is filtered through the slag removal component, the control valve II on the water pipe II is opened after the slag removal component is used for removing slag, the waste water is pumped into the ion exchange device 501 through the second water suction pump, the waste water is pumped into the purification device 601 through the third water suction pump after the treatment of the ion exchange device 501, and the waste water is further purified through the purification device 601.
After the wastewater in the reaction tank 301 is extracted, the arc scraping rod 203 continues to rotate (the working principle of the rotation of the arc scraping rod 203 refers to the front), and the precipitate at the bottom of the reaction tank 301 is scraped through the rotation of the arc scraping rod 203, and the arc scraping rod 203 and the bottom surface in the reaction tank 301 are tapered surfaces with gradually smaller heights from the edge to the middle, so that the precipitate is scraped to the middle position, when the discharge hole 210 is opened, the precipitate enters the blanking barrel 208 through the discharge hole 210, so that the blanking barrel 208 enters the recovery tank I201, and after the scraping is completed, the recovery tank I201 is pulled out, so as to obtain the precipitate containing chromium, thereby completing the recovery of chromium and simultaneously treating the wastewater.
It should be specifically noted that the above working process and the start and stop of the power part are controlled by the program control system.
Claims (3)
1. The utility model provides an electroplating transfer machine passivation process chromium recovery unit, includes support frame (101), ion exchange unit (501), purifier (601), support frame (101) external has program control system, its characterized in that, install regulation and control subassembly and separation subassembly on support frame (101), separation subassembly is connected with regulation and control subassembly, regulation and control subassembly sets up the below at separation subassembly, the below of separation subassembly side is connected with pipeline subassembly (701), pipeline subassembly (701) include horizontal pipe one, vertical pipe, horizontal pipe two, horizontal pipe one is connected with horizontal pipe two through the vertical pipe, anti-blocking assembly, suction pump one and control valve one are installed to the junction of horizontal pipe one and separation subassembly, install multiunit clear sediment subassembly on the vertical pipe from top to bottom, horizontal pipe two is connected with ion exchange unit (501), install suction pump two and control valve two on the horizontal pipe two, ion exchange unit (501) are through being connected with purifier (601), suction pump three and control valve three are installed on the connecting pipe.
The separation assembly comprises a reaction unit, a driving unit, a mixing unit and a scraping unit, wherein the reaction unit is arranged on a supporting frame (101), the driving unit is arranged on the reaction unit, the mixing unit is arranged on the driving unit, the mixing unit and the scraping unit are both arranged in the reaction unit, the mixing unit is arranged above the scraping unit, the scraping unit is arranged below the reaction unit, and the reaction unit and the scraping unit are both connected with the regulation and control assembly;
The reaction unit comprises a reaction box (301), a first feeding pipe (302), a third gear (303), a second supporting seat (308) and a second feeding pipe (310), wherein the second supporting seat (308) is fixedly arranged on a supporting frame (101), the reaction box (301) is fixedly arranged on the second supporting seat (308), the third gear (303) is rotatably arranged on the reaction box (301), the first feeding pipe (302) and the second feeding pipe (310) are respectively arranged on the third gear (303), the first feeding pipe (302) and the second feeding pipe (310) are respectively communicated with the reaction box (301), the first feeding pipe (302) is externally connected with a first liquid injection device, the second feeding pipe (310) is externally connected with a second liquid injection device, the bottom surface inside the reaction box (301) is a conical surface with the height gradually reduced from the edge to the middle, and the pipeline assembly (701) is arranged below the side surface of the reaction box (301).
The driving unit comprises a first linear motor (304), a fourth gear (305), a second motor (306), a first supporting seat (307), a first sliding seat (309), a third motor (311), a third supporting seat (312), a fifth gear (313), a first supporting shaft (314), a second supporting shaft (315) and a sixth gear (316), wherein the first supporting seat (307) is fixedly arranged on the side surface of the reaction box (301), the second motor (306) is fixedly arranged on the first supporting seat (307), the fourth gear (305) is coaxially and fixedly arranged on the output shaft of the second motor (306), the fourth gear (305) is in meshed connection with the third gear (303), the first linear motor (304) is fixedly arranged on the third gear (303), the first sliding seat (309) is arranged on the first linear motor (304) and drives the first sliding seat (312) to move, the second supporting shaft (315) is fixedly arranged on the first sliding seat (309), the third motor (311) is fixedly arranged on the output shaft of the third motor (307), the fourth gear (313) is fixedly arranged on the fifth gear (313), the fifth gear (316) is fixedly arranged on the fifth gear (313) in meshed connection, the first support shaft (314) is coaxially and fixedly arranged on the gear six (316), and the second support shaft (315) is in sliding connection with the gear three (303);
The mixing unit comprises an end face gear (801), a mixing plate (802) and a gear seven (803), wherein the end face gear (801) is coaxially and fixedly arranged on a first supporting shaft (314), the mixing plate (802) is rotatably arranged on a second supporting shaft (315), the gear seven (803) is coaxially and fixedly arranged on the mixing plate (802), the mixing plate (802) and the end face gear (801) are in meshed connection, the mixing plate (802) and the gear seven (803) are both provided with a plurality of water outlets uniformly distributed at the lower end of the second supporting shaft (315) in a circumferential shape, and each mixing plate (802) is provided with a plurality of water outlets;
The control assembly comprises a supporting plate (202), a supporting column (206), a blanking cylinder (208) and an electric cylinder (209), wherein the electric cylinder (209) is fixedly installed on the supporting frame (101), the supporting plate (202) is fixedly installed on a piston rod of the electric cylinder (209), the blanking cylinder (208) is coaxially and rotatably installed on the supporting plate (202), the blanking cylinder (208) and the supporting plate (202) are relatively fixed in the axial direction, the supporting column (206) is coaxially and rotatably installed in a reaction box (301), the supporting column (206) and the reaction box (301) are relatively fixed in the axial direction, the supporting column (206) is connected with the blanking cylinder (208) through a spline, and a discharge hole (210) is formed in the supporting column (206) and is controlled to be opened or closed through movement of the blanking cylinder (208);
Anti-blocking assembly includes bracing piece (901), spring two (902) and anti-blocking plate (903), bracing piece (901) fixed mounting is in horizontal pipe one, anti-blocking plate (903) rotate and install in horizontal pipe one, anti-blocking plate (903) slope sets up, be provided with a plurality of filtration pore ones on anti-blocking plate (903), anti-blocking plate (903) are connected with bracing piece (901) through spring two (902).
2. The chromium recycling device for passivation processes of electroplating automatic lines according to claim 1, wherein the scraping unit comprises a first recycling bin (201), an arc scraping rod (203), a first gear (204), a second gear (205) and a first motor (207), the first recycling bin (201) is fixedly installed on a supporting frame (101), the arc scraping rod (203) is fixedly installed on a supporting column (206), the arc scraping rods (203) are provided with a plurality of arc scraping rods (203) which are uniformly distributed in a circumferential shape, a baffle is fixedly installed at one end, far away from the supporting column (206), of each arc scraping rod (203), an inclined surface is arranged on the baffle, the first motor (207) is fixedly installed on a supporting plate (202), the first gear (204) is coaxially and fixedly installed on an output shaft of the first motor (207), the second gear (205) is coaxially and fixedly installed on a blanking cylinder (208), and the first gear (204) is meshed with the second gear (205).
3. The chromium recycling device for the passivation process of the electroplating automatic line, which is disclosed in claim 2, wherein the slag removing component comprises a slag removing box (401), a recycling box II (402), a side plate (403), a slag removing frame (404), a slag removing plate (405), a sliding plate (406), a fourth motor (407), a slag removing rod (408), a sliding seat II (409) and a linear motor II (410), the slag removing frame (404) is fixedly arranged on a vertical pipe, a chamber I and a chamber II are arranged in the slag removing frame (404), the slag removing box (401), the side plate (403) and the fourth motor (407) are fixedly arranged on the slag removing frame (404), the recycling box II (402) is slidably arranged on the slag removing box (401), the slag removing plate (405) and the linear motor II (410) are slidably arranged on the slag removing frame (404), a spring I (411) is connected between the linear motor II (410) and the slag removing frame (404), the slag removing plate (405) is fixedly arranged on the sliding plate (408) and the sliding plate (408) through the second motor (409) and the sliding plate (410) and is fixedly arranged on the slag removing rod (408) and the sliding plate (408) on the sliding plate (408), the device is characterized in that two fourth motors (407) and slag removing rods (408) are arranged on two sides of a second linear motor (410), a plurality of second filtering holes are formed in the slag removing plate (405), the slag removing plate (405) is arranged in a first chamber, the second recovery box (402), the fourth motors (407), the slag removing rods (408) and the second linear motor (410) are arranged in a second chamber, and the diameter of the second filtering holes is smaller than that of the first filtering holes, and track grooves are formed in the joint of the first chamber and the second chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311784331.4A CN117585855B (en) | 2023-12-23 | 2023-12-23 | Chromium recovery device for passivation process of electroplating automatic line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311784331.4A CN117585855B (en) | 2023-12-23 | 2023-12-23 | Chromium recovery device for passivation process of electroplating automatic line |
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| CN117585855B true CN117585855B (en) | 2024-06-04 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040009728A (en) * | 2002-07-25 | 2004-01-31 | 주식회사 포스코 | An apparatus for removing sludge in a steel plating liquid tank |
| CN213141514U (en) * | 2020-09-10 | 2021-05-07 | 刘海波 | Be used for heavy metal waste water innocent treatment device |
| CN213824514U (en) * | 2020-09-09 | 2021-07-30 | 苏州乔纳森新材料科技有限公司 | Chemical reagent mixing reaction device with stirring structure |
| CN214829462U (en) * | 2021-06-15 | 2021-11-23 | 大象(天津)流体科技有限公司 | Oil-water separation lifting means's slagging-off structure |
| CN113880313A (en) * | 2021-11-10 | 2022-01-04 | 浙江博益环保设备有限公司 | Be used for waste water treatment purifier |
| CN116217003A (en) * | 2023-03-28 | 2023-06-06 | 荣艳洁 | Efficient wastewater treatment equipment and treatment process |
-
2023
- 2023-12-23 CN CN202311784331.4A patent/CN117585855B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040009728A (en) * | 2002-07-25 | 2004-01-31 | 주식회사 포스코 | An apparatus for removing sludge in a steel plating liquid tank |
| CN213824514U (en) * | 2020-09-09 | 2021-07-30 | 苏州乔纳森新材料科技有限公司 | Chemical reagent mixing reaction device with stirring structure |
| CN213141514U (en) * | 2020-09-10 | 2021-05-07 | 刘海波 | Be used for heavy metal waste water innocent treatment device |
| CN214829462U (en) * | 2021-06-15 | 2021-11-23 | 大象(天津)流体科技有限公司 | Oil-water separation lifting means's slagging-off structure |
| CN113880313A (en) * | 2021-11-10 | 2022-01-04 | 浙江博益环保设备有限公司 | Be used for waste water treatment purifier |
| CN116217003A (en) * | 2023-03-28 | 2023-06-06 | 荣艳洁 | Efficient wastewater treatment equipment and treatment process |
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| CN117585855A (en) | 2024-02-23 |
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