CN111389801A - Automatic cleaning water-saving device and cleaning method for electroplating production - Google Patents
Automatic cleaning water-saving device and cleaning method for electroplating production Download PDFInfo
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- CN111389801A CN111389801A CN202010299803.7A CN202010299803A CN111389801A CN 111389801 A CN111389801 A CN 111389801A CN 202010299803 A CN202010299803 A CN 202010299803A CN 111389801 A CN111389801 A CN 111389801A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/18—Regeneration of process solutions of electrolytes
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- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
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- Coating Apparatus (AREA)
Abstract
The invention discloses an automatic cleaning water-saving device and method for electroplating production, belonging to the technical field of electroplating equipment, wherein the device mainly comprises a plating tank, a recovery tank, a cleaning tank and a P L C automatic control system, wherein the recovery tank is communicated with the plating tank, the connection part of the recovery tank is provided with a concentration evaporator, the cleaning tank and the recovery tank are provided with the concentration evaporator, the cleaning liquid recovered in the recovery tank is concentrated, the concentrated liquid is discharged into the plating tank again after reaching a certain concentration and is used as electroplating liquid again, the water resource is reused in the plating tank by the method, the waste of the water resource during the cleaning of a plated part is reduced, the device is green, environment-friendly, energy-saving and emission-reduction, and in the electroplating production process, the cleaning water consumption is far greater than the volatilization loss of the electroplating liquid, so that the plating tank and the recovery tank are kept balanced by arranging liquid level meters in the plating tank and the recovery tank, and the P L C automatic control system can automatically control the evaporation amount and the spray water amount of atomized spray according to the liquid level change of.
Description
Technical Field
The invention belongs to the technical field of electroplating equipment, and particularly relates to an automatic cleaning water-saving device and a cleaning method for electroplating production.
Background
Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and is a process of attaching a layer of metal film on the surface of a metal or other material product by using the action of electrolysis, thereby playing roles of preventing metal oxidation, improving wear resistance, conductivity, light reflection, corrosion resistance (copper sulfate and the like), enhancing beauty and the like.
The cleaning of a plated part is an important link of electroplating production, the poor cleaning effect not only can influence the electroplating quality, but also can cause the plating solution of the next procedure to be polluted, the existing cleaning of the plated part lacks an effective automatic water control means, the excessive cleaning water is often used, and the serious water resource waste is caused, so that the reasonable effective automatic water control means is very important for solving the problem of water resource waste.
The electric water control technology is a method for realizing automatic control of water supply and drainage of cleaning water by adjusting the conductivity of the cleaning water, the working principle is that the concentration of electroplating solution in the cleaning water is in positive correlation with the conductivity of the electroplating solution, the concentration of the electroplating solution in the cleaning water is monitored by a conductivity sensor, when the conductivity of the cleaning water exceeds the maximum allowable value, a water supply valve is opened to supply fresh water, and when the conductivity of the cleaning water is lower than a set value, an electromagnetic valve is closed to stop water supply.
The existing electroplating cleaning device can not reasonably recycle cleaning water, so that a large amount of water resource waste is caused, and a plated part cleaning device which saves water resource and has a good cleaning effect is urgently needed.
Disclosure of Invention
Aiming at the existing problems, the invention provides an automatic cleaning water-saving device and a cleaning method for electroplating production.
The technical scheme of the invention is that the automatic cleaning water-saving device for electroplating production mainly comprises a plating tank, a recovery tank which is communicated with the plating tank and is provided with a concentration evaporator at the joint, a plurality of cleaning tanks which are communicated in sequence, and a P L C automatic control system which is electrically connected with each electric element;
liquid level meters are arranged in the plating tank and the recovery tank, spraying devices are arranged in the recovery tank and the cleaning tanks, and conductivity meters are arranged in the cleaning tanks on two sides;
concentrated evaporimeter include with weak electrolytic tank that the accumulator is connected, locate weak electrolytic element in the weak electrolytic tank, with the heat exchanger of weak electrolytic tank intercommunication, with heat exchanger intercommunication and inside have cup jointed a plurality of sub-boxes and have formed the concentrated box in a plurality of concentrated chambeies, weak electrolytic element include the rectifier, with rectifier electric connection's anode plate, with rectifier electric connection's negative plate, sub-box lateral wall evenly is equipped with a plurality of limbers, and every sub-box outside is the heliciform and is equipped with the heating coil and every sub-box bottom all communicates through connecting pipe and coating bath, and concentrated box upper end is equipped with the air outlet with heat exchanger intercommunication, air outlet department is equipped with the air exhauster.
Further, spray set includes that two liang of a pair of locate in accumulator and the washing tank and opposite side lateral wall evenly is equipped with the spray of a plurality of atomizer and detains the dish, take out outside water source through the connecting pipe to spray to detain in the dish and through a plurality of atomizer sprays to plating a high-pressure suction pump on surface, carry out the heater that heats to the water source, spray to detain and keep away from atomizer one side on the dish and be equipped with accumulator and washing tank lateral wall fixed connection's fork frame, detain dish and accumulator and washing tank inner wall connection with spraying through the fork frame will spraying, can be according to plating a size adjustment of piece two relative sprays the distance between the knot dish to the adjustment is to plating a surperficial spray distance, heats the liquid that needs sprayed through the heater, has increased the cleaning performance.
Further, be equipped with the high pressure in the accumulator and blow off the device, the high pressure blows off the device and includes that to the external gas carry out filterable filter, with the filter passes through high-pressure aspiration pump, one end that the connecting pipe is connected, high-pressure aspiration pump is connected and the other end is equipped with a plurality of jet-propelled dishes that run through the spraying and detain the dish and extend to outside branch pipe, and is a plurality of the branch pipe end is equipped with a plurality of air nozzles, and is a plurality of two air nozzles are a set of around establishing with every atomizer periphery, and the pure high-pressure gas through the air nozzle spouts every atomizer to the liquid and the plating solution that plating piece surface carried blow off, and then reduces follow-up washing water consumption, energy saving and emission reduction.
Further, the washing tank is including wasing the inner wall, wasing the outer wall, locating wash the outside constant temperature heating ware of inner wall, wash and form heating heat preservation chamber between inner wall, the washing outer wall, heating heat preservation intracavity wall subsides are equipped with the heat preservation, and the washing liquid through constant temperature heating ware in to every washing tank heaies up, increases the cleaning performance, improves cleaning efficiency, increases the reliability of device.
Furthermore, the material of the heat preservation layer is a rubber and plastic heat preservation material, the rubber and plastic heat preservation material is made of an elastic closed-pore elastic material, and the rubber and plastic heat preservation material has the excellent performances of cold resistance, heat resistance, flame retardance, water resistance and low heat conductivity coefficient, so that the heat preservation effect is greatly improved, the service life is long, and the rubber and plastic heat preservation material is safe and reliable.
Further, be connected through the connecting pipe between two adjacent washing tanks, washing tank and the accumulator and between accumulator and the coating bath, and the junction is equipped with drawing liquid pump, electron flowmeter and solenoid valve, and the cooperation through drawing liquid pump, electron flowmeter and solenoid valve controls the water flow between each groove, avoids each inslot to cause the overflow or rivers are less because of rivers are too big, influences the cleaning performance of plated item.
Further, P L C automatic control system include with external control unit through wireless signal connection's P L C controller, with P L C controller electric connection's touch operation screen, with P L C controller electric connection's alarm device, with P L C controller electric connection and be used for the monitoring element of monitoring each component and the internal behavior of cell, each electric elements electric connection's power, carry out centralized control through P L C automatic control system to the work flow of whole device, increase the stability and the intellectuality of device operation, simultaneously, conveniently carry out the visual observation to each component and the internal behavior of cell through the monitoring element, conveniently look after the fault location fast, reduce staff's work load, improve work efficiency.
Furthermore, all be equipped with efflux agitating unit in every washing tank, efflux agitating unit includes vertical breather pipe, the symmetric distribution that belongs to in the washing tank and runs through the hollow stirring rake of breather pipe lateral wall, with the outside aspiration pump through taking out to the breather pipe in, hollow stirring rake is equipped with a plurality of jet holes, and every jet hole department is equipped with rotating vane, takes out the outside air to the breather pipe through the aspiration pump in, then flows through a plurality of jet holes on the hollow stirring rake, and simultaneously, under the effect of air current, drives rotating vane and rotates and stir the washing liquid, avoids not only will causing conductivity meter's detection error because of washing liquid concentration.
The method for cleaning the plated part by utilizing the automatic cleaning water-saving device for electroplating production mainly comprises the following steps:
(1) when a plated part is placed in a recovery tank, the P L C controller controls a hydraulic rod on a fork shearing frame to work so as to drive the fork shearing frame to extend, two oppositely arranged spray buckle discs are close to the plated part, the P L C controller controls a high-pressure water pump to pump an external water source into the spray buckle discs through a connecting pipe and spray the external water source to the surface of the plated part through a plurality of atomization nozzles, plating solution on the surface of the plated part is cleaned, and meanwhile, the P L C controller starts a high-pressure air pump to blow off the liquid and the plating solution carried by each atomization nozzle to the surface of the plated part by pure high-pressure gas;
(2) when the plated piece is sequentially placed into each cleaning tank, the P L C controller controls a hydraulic rod on the fork shearing frame to work so as to drive the fork shearing frame to extend, two oppositely-arranged spray buckle discs are close to the plated piece, the P L C controller controls a high-pressure water pump to pump an external water source into the spray buckle discs through a connecting pipe and spray the external water source to the surface of the plated piece through a plurality of atomization nozzles, plating solution on the surface of the plated piece is further cleaned, after the cleaning is finished, the P L C controller controls a hydraulic machine to work so as to drive the fork shearing frame to compress, the two oppositely-arranged spray buckle discs are far away from the plated piece, and then the plated piece is taken out;
(3) the conductivity in the first and last recovery tanks is measured by a conductivity meter, when the conductivity meter detects that the increase amplitude of the conductivity in the first cleaning tank is too fast, the P L C controller can automatically increase the spraying water volume of a spraying device in the recovery tank and the blowing air volume of a high-pressure blowing-off device, when the conductivity meter detects that the conductivity concentration in the last cleaning tank exceeds 100us/cm, the cleaning liquid in the first cleaning tank is discharged, then the cleaning liquid in the second cleaning tank is pumped into the first cleaning tank by a liquid pump, the cleaning liquid in the third cleaning tank is pumped into the second cleaning tank by the liquid pump, and so on until the cleaning liquid in the last cleaning tank is pumped into the previous cleaning tank by the liquid pump, and then pure water is injected into the last cleaning tank;
(4) the cleaning water subjected to multistage countercurrent rinsing is collected in the recovery tank, the cleaning water enters the concentration box body after passing through the concentration evaporator, after entering the concentration box body, the cleaning water firstly enters the innermost sub-box body, is diffused to the outside through the water through holes in the side wall of the innermost sub-box body, and then sequentially passes through the inside and the outside of each sub-box body, the P L C controller controls the heating ring to be started, the cleaning water in each sub-box body is heated, steam generated after heating enters the concentration box body again to be heated, and when the conductivity of the cleaning water in the concentration box body is the same as the required concentration of the plating solution, the plating solution is injected into the plating tank for reuse.
The invention has the beneficial effects that: the invention provides an automatic cleaning water-saving device and a cleaning method for electroplating production, and the automatic cleaning water-saving device and the cleaning method have the following advantages:
1. according to the invention, the concentration evaporators are arranged at the plating tank and the recovery tank, so that the cleaning water recovered in the recovery tank is concentrated, and after the concentrated solution reaches a certain concentration, the concentrated solution is discharged into the plating tank again to be used as electroplating solution.
2. The spray device is arranged to clean the plating solution on the surface of the plated part, the high-pressure air stripping device is used for blowing the cleaned surface of the plated part, the amount and concentration of the plating solution brought out from the surface of the plated part are greatly reduced under the combined action of high-pressure air stripping and atomized spraying, and when atomized spraying is carried out, the distance between two opposite spray buckle discs can be adjusted according to the size of the plated part, so that the spraying distance on the surface of the plated part is adjusted, and the liquid to be sprayed is heated by the heater, so that the cleaning effect is improved.
3. According to the invention, the cleaning liquid is heated by adding the heating element in the cleaning tank, so that the cleaning effect is increased, the heat loss of the cleaning liquid is reduced by using the good heat-insulating layer, the cleaning efficiency is improved, and the reliability of the device is increased.
4. Because the cleaning water consumption is far greater than the volatilization loss of the plating solution in the electroplating production process, the liquid level meters are arranged in the plating tank and the recovery tank, and the P L C automatic control system can automatically control the evaporation capacity of the concentration evaporator and the spray water amount of the atomized spray according to the liquid level changes of the recovery tank and the plating tank, so that the liquid level of the plating tank and the liquid level of the recovery tank are kept balanced, and the overflow caused by excessive liquid in the recovery tank is prevented.
5. According to the invention, the jet flow stirring device is arranged in the cleaning tank to stir the cleaning solution, so that the detection error of the conductivity meter caused by the concentration of the cleaning solution is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the configuration of a concentrator evaporator of the present invention;
FIG. 3 is a schematic view of the installation of the spray apparatus of the present invention in a recovery tank;
FIG. 4 is a schematic view of the internal structure of the cleaning tank of the present invention;
FIG. 5 is a schematic view showing the internal structure of the cleaning tank of the present invention;
FIG. 6 is a schematic view of the construction of a rotary blade of the present invention;
fig. 7 is an electrical connection diagram of the present invention.
The system comprises a 1-plating tank, a 2-recovery tank, a 20-concentration evaporator, a 200-weak electrolytic tank, a 201-weak electrolytic element, a 2010-rectifier, a 2011-anode plate, a 2012-cathode plate, a 202-heat exchanger, a 203-concentration tank, a 2030-sub tank, a 2031-concentration cavity, a 2032-water through hole, a 2033-heating ring, a 204-air outlet, a 2040-exhaust fan, a 21-high-pressure air stripping device, a 210-filter, a 211-high-pressure air suction pump, a 212-air jet disc, a 2120-branch pipe, an 2121-air nozzle, a 3-cleaning tank, a 30-conductivity meter, a 32-cleaning inner wall, a 33-cleaning outer wall, a 34-constant temperature heater, a 35-heating insulation cavity, a 350-insulation layer, a 36-jet stirring device, a 360-air pipe, a 361-hollow stirring paddle, a 3610-jet hole, a 3611-rotating blade, a 362-air suction pump, a 4-P L C automatic control system, a 40-P L C controller, a 41-touch operation screen, a 42-alarm device, a 43-44-power supply monitoring element, a 43-44-spray head, a 8-7-60-8-spray head, a high-.
Detailed Description
Example 1
As shown in fig. 1, the automatic cleaning water-saving device for electroplating production mainly comprises a plating tank 1, a recovery tank 2 which is communicated with the plating tank 1 and is provided with a concentration evaporator 20 at the joint, three cleaning tanks 3 which are communicated in sequence, and a P L C automatic control system 4 which is electrically connected with each electrical element;
liquid level meters 5 are arranged in the plating tank 1 and the recovery tank 2, spraying devices 6 are arranged in the recovery tank 2 and the three cleaning tanks 3, and conductivity meters 30 are respectively arranged in the cleaning tanks 3 positioned at two sides, wherein the liquid level meters 5 are SIN-DP ultrasonic liquid level meters, and the conductivity meters 30 are Critida CCT-5300E5310E5320E5320 series conductivity meters;
as shown in fig. 2, the concentration evaporator 20 includes a weak electrolysis tank 200 connected to the recovery tank 2, a weak electrolysis element 201 disposed in the weak electrolysis tank 200, a heat exchanger 202 connected to the weak electrolysis tank 200, and a concentration tank 203 connected to the heat exchanger 202 and having 3 sub-tanks 2030 therein and forming 3 concentration cavities 2031, the weak electrolysis element 201 includes a rectifier 2010, an anode plate 2011 electrically connected to the rectifier 2010, and a cathode plate 2012 electrically connected to the rectifier 2010, the side wall of the sub-tank 2030 is uniformly provided with 20 water through holes 2032, the exterior of each sub-tank 2030 is spirally provided with a heating coil 2033 and the bottom end of each sub-tank 203is communicated with the plating tank 1 through a connecting pipe, the upper end of the concentration tank 203 is provided with an air outlet 204 communicated to the heat exchanger 202, the air outlet 204 is provided with an exhaust fan 2040, wherein the rectifier 2010 is a 100 high frequency 300A PWM air-cooled rectifier, wherein, the heating ring 2033 is a ceramic heating ring produced by the salt city cohn mechanical equipment ltd, and the heat exchanger 202 is produced by the shanghai zhuanghua electric heating and ventilation equipment ltd;
as shown in fig. 7, the P L C automatic control system 4 includes a P L C controller 40 connected to an external control unit through a wireless signal, a touch operation panel 41 electrically connected to the P L C controller 40, an alarm device 42 electrically connected to the P L C controller 40, a monitoring element 43 electrically connected to the P L C controller 40 and used for monitoring the operation of each element and the inside of the tank, and a power supply 44 electrically connected to each electrical element, the P L C automatic control system 4 performs centralized control on the operation flow of the whole device, so as to increase the stability and intelligence of the device operation, and at the same time, the monitoring element 43 facilitates visual observation of the operation of each element and the inside of the tank, so as to facilitate quick care of the fault location and reduce the workload of the operator, so as to improve the work efficiency, the P L C controller 40 is of an STM32 type, wherein the touch operation panel 41 is of PWS6a00T-P, the alarm device 42 is a language alarm device of an ENR-SW type, the monitoring element 43 is a power supply 84504 MM, and the power supply 43 is a zw 121;
as shown in fig. 4, the spraying device 6 includes a pair of spray buckle discs 60 which are oppositely arranged in the recovery tank 2 and the cleaning tank 3, and the side walls of the opposite sides are uniformly provided with 10 atomizing nozzles 600, a high-pressure water pump 61 which pumps an external water source into the spray buckle discs 60 through a connecting pipe and sprays the external water source to the surface of the plated part through 10 atomizing nozzles 600, and a heater 62 which heats the water source, a scissor bracket 601 which is fixedly connected with the side walls of the recovery tank 2 and the cleaning tank 3 is arranged on one side of the spray buckle discs 60 far away from the atomizing nozzles 600, the spray buckle discs 60 are connected with the inner walls of the recovery tank 2 and the cleaning tank 3 through the scissor bracket 601, the distance between the two opposite spray buckle discs 60 can be adjusted according to the size of the plated part, so as to adjust the spray distance to the surface of the plated part, and the liquid to be sprayed is heated through the heater 62, so as to increase the cleaning effect, wherein the model of the high-pressure water pump 61 is RFCS-75, the heater 62 is.
Example 2
This embodiment is substantially the same as embodiment 1 except that:
as shown in fig. 3, a high pressure stripping device 21 is disposed in the recovery tank 2, the high pressure stripping device 21 includes a filter 210 for filtering external air, a high pressure air pump 211 connected to the filter 210 through a connection pipe, and an air jet plate 212 having one end connected to the high pressure air pump 211 and the other end provided with 30 branch pipes 2120 penetrating through the shower tray 60 and extending to the outside, the ends of the 30 branch pipes 2120 are provided with a plurality of air jets 2121, and two of the 30 air jets 2121 are a set of air jets wound around the periphery of each atomizing nozzle 600, and pure high pressure air jetted from each atomizing nozzle 600 to the surface of the plated part blows off the liquid and the plating solution carried by the plated part, thereby reducing the water consumption for subsequent cleaning, saving energy and reducing emission, wherein the model of the high pressure air pump 211 is 2BH1510-7HH46, and the filter 210 is a primary filter manufactured by national group.
Example 3
This embodiment is substantially the same as embodiment 2 except that:
as shown in fig. 5, the cleaning tank 3 includes a cleaning inner wall 32, a cleaning outer wall 33, a constant temperature heater 34 disposed outside the cleaning inner wall 32, a heating and heat preservation cavity 35 is formed between the cleaning outer walls 33, a heat preservation layer 350 is attached to the inner wall of the heating and heat preservation cavity 35, the cleaning liquid in each cleaning tank 3 is heated by the constant temperature heater 34, the cleaning effect is increased, the cleaning efficiency is improved, the reliability of the cleaning device is increased, the heat preservation layer 350 is made of rubber and plastic heat preservation materials, the rubber and plastic heat preservation materials are elastic closed-hole elastic materials, and are cold-resistant, heat-resistant, flame-retardant, waterproof, good performance of low heat conductivity coefficient, the heat preservation effect is greatly improved, the service life is long, safety and reliability are achieved, wherein the model.
Example 4
This example is substantially the same as example 3, except that:
as shown in fig. 1, two adjacent cleaning tanks 3, between cleaning tank 3 and recovery tank 2, and between recovery tank 2 and coating tank 1 are connected through connecting pipes, and the joints are provided with a liquid pump 7, an electronic flow meter 8 and an electromagnetic valve 9, the water flow between the tanks is controlled by the cooperation of liquid pump 7, electronic flow meter 8 and electromagnetic valve 9, so as to avoid overflow or small water flow caused by too large water flow in each tank and influence the cleaning effect of the coated part, wherein the liquid pump 7 is MP-RM, and the electronic flow meter 8 is L DGC-MIK.
Example 5
This example is substantially the same as example 4, except that:
as shown in fig. 1 and 6, each cleaning tank 3 is internally provided with a jet stirring device 36, each jet stirring device 36 includes a vertical ventilating pipe 360 belonging to the cleaning tank 3, the hollow stirring paddle 361 symmetrically distributed and penetrating through the side wall of the ventilating pipe 360, an air suction pump 362 pumping the outside into the ventilating pipe 360, the hollow stirring paddle 361 is provided with 20 jet holes 3610, each jet hole 3610 is provided with a rotating blade 3611, the external air is pumped into the ventilating pipe 360 through the air suction pump 362, and then flows out through 18 jet holes 3610 on the hollow stirring paddle 361, and simultaneously, under the action of air flow, the rotating blade 3611 is driven to rotate to stir the cleaning liquid, thereby avoiding the detection error of the conductivity meter 30 due to the concentration of the cleaning liquid, wherein the model of the air suction pump 362 is VP 1500.
The method for cleaning the plated part by utilizing the automatic cleaning water-saving device for electroplating production mainly comprises the following steps:
(1) when a plated part is placed in the recovery tank 2, the P L C controller 40 controls the hydraulic rod on the fork shearing frame 601 to work, so as to drive the fork shearing frame 601 to extend, two oppositely arranged spray buckle discs 60 are close to the plated part, the P L C controller 40 controls the high-pressure water pump 61 to pump an external water source into the spray buckle discs 60 through the connecting pipe and spray the external water source to the surface of the plated part through 10 atomizing nozzles 600, so as to clean the plating solution on the surface of the plated part, and meanwhile, the P L C controller 40 starts the high-pressure air pump 211 to spray pure high-pressure gas to the liquid and the plating solution carried by the surface of the plated part by each atomizing nozzle 600 to be blown off;
(2) when the plated piece is sequentially placed in each cleaning tank 3, the P L C controller 40 controls the hydraulic rod on the fork frame 601 to work, so as to drive the fork frame 601 to extend, two oppositely arranged spray buckle discs 60 are close to the plated piece, the P L C controller 40 controls the high-pressure water pump 61 to pump an external water source into the spray buckle discs 60 through the connecting pipe and spray the external water source to the surface of the plated piece through 10 atomizing nozzles 600, the plating solution on the surface of the plated piece is further cleaned, after the cleaning is finished, the P L C controller 40 controls the hydraulic machine 6010 to work, so as to drive the fork frame 601 to compress, the two oppositely arranged spray buckle discs 60 are far away from the plated piece, and then the plated piece is taken out;
(3) the conductivity in the first and last recovery tanks 2 is measured by using the conductivity meter 30, when the conductivity meter 30 detects that the increase amplitude of the conductivity in the first cleaning tank 3 is too fast, the P L C controller 40 can automatically increase the spraying water amount of the spraying device 6 in the recovery tank 2 and the blowing air amount of the high-pressure blowing-off device 21, when the conductivity meter 30 detects that the conductivity concentration in the last cleaning tank 3 exceeds 100us/cm, the cleaning liquid in the first cleaning tank 3 is discharged, then the cleaning liquid in the second cleaning tank 3 is pumped into the first cleaning tank 3 by the liquid pump 7, the cleaning liquid in the third cleaning tank 3 is pumped into the second cleaning tank 3 by the liquid pump 7, and then pure water is injected into the third cleaning tank 3;
(4) the cleaning liquid which is subjected to three-stage countercurrent rinsing is collected in the recovery tank 2, when the cleaning liquid passes through the concentration evaporator 20, the cleaning liquid firstly enters the weak electrolytic tank 200, weak electrolytic treatment is carried out on the cleaning liquid by using a weak electrolytic loop between an anode plate 2011 and a cathode plate 2012, impurities in the cleaning liquid are removed, then the cleaning liquid enters the concentration tank 203 after passing through the heat exchanger 202, when the cleaning liquid enters the concentration tank 203, the cleaning liquid firstly enters the innermost sub-tank 2030, the cleaning liquid is diffused to the outside through a water through hole 2032 on the side wall of the innermost sub-tank 2030 and then sequentially passes through the inside and the outside of each sub-tank 2030, the P L C controller 40 controls the heating ring 2033 to start, the cleaning liquid in each sub-tank 2030 is heated, steam generated after heating enters the concentration tank 203 again to be heated, and when the conductivity of the cleaning liquid in the concentration tank 203 is the same as the required concentration of the plating solution, the plating solution is discharged.
Claims (9)
1. An automatic cleaning water-saving device for electroplating production is characterized by mainly comprising a plating tank (1), a recovery tank (2) which is communicated with the plating tank (1) and is provided with a concentration evaporator (20) at the joint, a plurality of cleaning tanks (3) which are communicated in sequence, and a P L C automatic control system (4) which is electrically connected with each electric element;
liquid level meters (5) are arranged in the plating tank (1) and the recovery tank (2), spraying devices (6) are arranged in the recovery tank (2) and the cleaning tanks (3), and conductivity meters (30) are respectively arranged in the cleaning tanks (3) at two sides;
the concentration evaporator (20) comprises a weak electrolysis tank (200) connected with the recovery tank (2), a weak electrolysis element (201) arranged in the weak electrolysis tank (200), a heat exchanger (202) communicated with the weak electrolysis tank (200), and a concentration tank (203) communicated with the heat exchanger (202) and internally sleeved with a plurality of sub-tanks (2030) and forming a plurality of concentration cavities (2031), wherein the weak electrolysis element (201) comprises a rectifier (2010), an anode plate (2011) electrically connected with the rectifier (2010) and a cathode plate (2012) electrically connected with the rectifier (2010), a plurality of water through holes (2032) are uniformly arranged on the side wall of the sub-tank (2030), a heating ring (3) is spirally arranged outside each sub-tank (2030), the bottom end of each sub-tank (203) is communicated with the plating tank (1) through a connecting pipe, an air outlet (204) communicated with the heat exchanger (202) is arranged at the upper end of the concentration tank (203), an exhaust fan (2040) is arranged at the air outlet (204).
2. The automatic cleaning water-saving device for electroplating production according to claim 1, wherein the spraying device (6) comprises a pair of spraying buckle discs (60) which are oppositely arranged in the recovery tank (2) and the cleaning tank (3) in pairs and have a plurality of atomizing nozzles (600) uniformly arranged on the side walls of the opposite sides, a high-pressure water pump (61) which pumps an external water source into the spraying buckle discs (60) through a connecting pipe and sprays the external water source to the surface of a plated part through the plurality of atomizing nozzles (600), and a heater (62) which heats the water source, and a fork cutting frame (601) fixedly connected with the side walls of the recovery tank (2) and the cleaning tank (3) is arranged on one side of the spraying buckle discs (60) far away from the atomizing nozzles (600).
3. The automatic cleaning water-saving device for electroplating production according to claim 2, wherein a high-pressure air-stripping device (21) is arranged in the recovery tank (2), the high-pressure air-stripping device (21) comprises a filter (210) for filtering external air, a high-pressure air pump (211) connected with the filter (210) through a connecting pipe, and an air injection disk (212) with one end connected with the high-pressure air pump (211) and the other end provided with a plurality of branch pipes (2120) penetrating through the spray buckle disk (60) and extending to the outside, the tail ends of the branch pipes (2120) are provided with a plurality of air nozzles (2121), and two of the air nozzles (2121) are in a group and are arranged around the periphery of each atomizing nozzle (600).
4. The automatic cleaning and water saving device for electroplating production according to claim 3, wherein the cleaning tank (3) comprises a cleaning inner wall (32), a cleaning outer wall (33) and a constant temperature heater (34) arranged outside the cleaning inner wall (32), a heating and heat preserving cavity (35) is formed between the cleaning inner wall (32) and the cleaning outer wall (33), and a heat preserving layer (350) is attached to the inner wall of the heating and heat preserving cavity (35).
5. The automatic cleaning water-saving device for electroplating production according to claim 4, wherein the heat-insulating layer (350) is made of a rubber-plastic heat-insulating material.
6. The automatic cleaning water-saving device for electroplating production according to claim 1, wherein the concentration evaporator (20) is a commercially available concentration evaporator.
7. The automatic cleaning water-saving device for electroplating production according to claim 1, wherein the adjacent two cleaning tanks (3), the cleaning tank (3) and the recovery tank (2), and the recovery tank (2) and the plating tank (1) are connected through connecting pipes, and a liquid pump (7), an electronic flow meter (8) and an electromagnetic valve (9) are arranged at the connecting positions.
8. The automatic cleaning water-saving device for electroplating production according to claim 7, wherein the P L C automatic control system (4) comprises a P L C controller (40) connected with an external control unit through wireless signals, a touch operation screen (41) electrically connected with the P L C controller (40), an alarm device (42) electrically connected with the P L C controller (40), a monitoring element (43) electrically connected with the P L C controller (40) and used for monitoring the working conditions of each element and the cell body, and a power supply (44) electrically connected with each electrical element.
9. The method for cleaning the plated part by using the automatic cleaning water-saving device for electroplating production according to any one of claims 1 to 7, which is characterized by mainly comprising the following steps:
(1) when a plated part is placed in the recovery tank (2), the P L C controller (40) controls a hydraulic rod on the fork shearing frame (601) to work so as to drive the fork shearing frame (601) to extend, two oppositely arranged spray buckle discs (60) are close to the plated part, the P L C controller (40) controls a high-pressure water pump (61) to pump an external water source into the spray buckle discs (60) through a connecting pipe and spray the external water source onto the surface of the plated part through a plurality of atomization nozzles (600) so as to clean plating solution on the surface of the plated part, and meanwhile, the P L C controller (40) starts the high-pressure air pump (211) to spray pure high-pressure gas to the plating solution carried by each atomization nozzle (600) on the surface of the plated part and blow off the plating solution;
(2) when the plating piece is sequentially placed into each cleaning tank (3), the P L C controller (40) controls a hydraulic rod on the fork frame (601) to work so as to drive the fork frame (601) to extend, two oppositely arranged spray buckle discs (60) are close to the plating piece, the P L C controller (40) controls a high-pressure water pump (61) to pump an external water source into the spray buckle discs (60) through a connecting pipe and spray the external water source to the surface of the plating piece through a plurality of atomizing nozzles (600), the plating solution on the surface of the plating piece is further cleaned, after the cleaning is finished, the P L C controller (40) controls a hydraulic machine (6010) to work so as to drive the fork frame (601) to compress, the two oppositely arranged spray buckle discs (60) are far away from the plating piece, and the plating piece is taken out;
(3) the conductivity in the first recovery tank (2) and the conductivity in the last recovery tank (2) are measured by using a conductivity meter (30), when the conductivity meter (30) detects that the increase amplitude of the conductivity in the first cleaning tank (3) is too fast, the P L C controller (40) can automatically increase the spraying water amount of a spraying device (6) in the recovery tank (2) and the blowing air amount of a high-pressure blowing-off device (21), when the conductivity meter (30) detects that the conductivity concentration in the last cleaning tank (3) exceeds 100us/cm, the cleaning liquid in the first cleaning tank (3) is discharged, then the cleaning liquid in the second cleaning tank (3) is pumped into the first cleaning tank (3) through a liquid pump (7), the cleaning liquid in the third cleaning tank (3) is pumped into the second cleaning tank (3) through a liquid pump (7), and the rest is done by analogy in turn until the cleaning liquid in the last cleaning tank (3) is pumped into the previous cleaning tank (3) through the liquid pump (7), and then pure water is injected into the last cleaning tank (3);
(4) the cleaning water which is subjected to multi-stage countercurrent rinsing is collected in the recovery tank (2), the cleaning water enters the concentration tank body (203) after passing through the concentration evaporator (20), enters the innermost sub-tank body (2030) after entering the concentration tank body (203), is diffused to the outside through the water through hole (2032) on the side wall of the innermost sub-tank body (2030), then sequentially passes through the inside and the outside of each sub-tank body (2030), the P L C controller (40) controls the heating ring (2033) to start, the cleaning water in each sub-tank body (2030) is heated, steam generated after heating enters the concentration tank body (203) again to be heated, and when the conductivity of the cleaning water in the concentration tank body (203) is the same as the required concentration of the plating solution, the plating solution is injected into the plating tank (1) to be reused.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010299803.7A CN111389801B (en) | 2020-04-16 | 2020-04-16 | Automatic cleaning water-saving device and cleaning method for electroplating production |
| JP2020106144A JP6798069B1 (en) | 2020-04-16 | 2020-06-19 | Automatic cleaning of electroplating production Water saving equipment and cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010299803.7A CN111389801B (en) | 2020-04-16 | 2020-04-16 | Automatic cleaning water-saving device and cleaning method for electroplating production |
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| CN111389801A true CN111389801A (en) | 2020-07-10 |
| CN111389801B CN111389801B (en) | 2023-07-21 |
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| CN202010299803.7A Active CN111389801B (en) | 2020-04-16 | 2020-04-16 | Automatic cleaning water-saving device and cleaning method for electroplating production |
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| CN (1) | CN111389801B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112318135A (en) * | 2020-10-27 | 2021-02-05 | 南京美诚铝业科技有限公司 | Drilling and tapping all-in-one machine with deburring function |
| CN113305099A (en) * | 2021-05-26 | 2021-08-27 | 苏州市安派精密电子有限公司 | Ultrasonic cleaning device for electroplating production with high cleanliness |
| CN114855255A (en) * | 2022-06-16 | 2022-08-05 | 鹰潭市钲旺科技有限公司 | Electrolytic cleaning production line for tinned wire and processing technology thereof |
| CN115254200A (en) * | 2022-06-17 | 2022-11-01 | 江苏龙净科杰环保技术有限公司 | Novel washing circulation of spent catalyst preliminary treatment device |
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| CN112680766B (en) * | 2020-12-10 | 2023-08-04 | 镇江锦兴表面工程技术有限公司 | Uniform immersion liquid device for electroplating of electronic radiator and application method of uniform immersion liquid device |
| CN115161709A (en) * | 2022-08-19 | 2022-10-11 | 浙江科菲科技股份有限公司 | Intelligent heating, heat-preserving and scalding device of electrolysis system |
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| CN114855255A (en) * | 2022-06-16 | 2022-08-05 | 鹰潭市钲旺科技有限公司 | Electrolytic cleaning production line for tinned wire and processing technology thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111389801B (en) | 2023-07-21 |
| JP2021169660A (en) | 2021-10-28 |
| JP6798069B1 (en) | 2020-12-09 |
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