CN206721381U - Electrophoretic paint tank liquor computer automatic maintenance system - Google Patents

Abstract

A kind of new disclosed electrophoresis paint bath computer automatic maintenance system of this practicality, secondary groove on electrophoresis tank is sequentially connected into paint valve by pipeline, ultrafiltrate pump, ultrafiltration check-valves, stainless steel bag filter, stainless steel bag filter top is provided with filter pressure table, by threeway while being provided with blowoff valve on the lacquer export of stainless steel bag filter bottom, reversely enter to paint magnetic valve by entering to paint threeway connection ultrafiltration in another side, ultrafiltration forward direction is entered to paint magnetic valve, ultrafiltration forward direction enters to paint magnetic valve and is sequentially connected import rolled film super filter tube by pipeline, ultrafiltration forward direction goes out to paint magnetic valve, go out to paint threeway, electrophoresis tank；Ultrafiltration, which reversely enters to paint magnetic valve and is sequentially connected mouthful rolled film super filter tube, ultrafiltration by pipeline, reversely to go out to paint magnetic valve, goes out to paint threeway, electrophoresis tank；Can on-line monitoring electrophoresis tank pH value, electrical conductivity, realize electrical conductivity control automatically in the case where not discharging ultrafiltration water, strengthen Stability of Bath Solution, improve electrophoresis product quality, avoid wasting and reducing blowdown.

Description

Electrophoretic paint tank liquor computer automatic maintenance system

Technical field

A kind of paint bath device is the utility model is related to, especially a kind of electrophoretic paint tank liquor computer automatic maintenance system.

Background technology

Cathode electrodip painting equally passes through ion exchange resin due to its resin structure reason, tank liquor without image of Buddha anodic electrophoresis paint Remove tank liquor in foreign ion, existing maintenance mode be all tank liquor by milipore filter by the water containing foreign ion, acid, have Solvent and additive and the separation of electrophoresis coating resins, electrophoresis coating resins are wired back swimming groove, water, acid containing foreign ion and organic molten Agent and additive are discharged when waste water, and this maintenance mode has the defects of the following aspects：1st, waste effective organic solvent, Additive and part small molecule electrophoresis resin.During original ultrafiltration, although foreign ion discharge conductance is reduced, Part active ingredient is discharged simultaneously in electrophoresis groove liquid simultaneously, unnecessary waste and environmental pollution is caused, as solvent, additive And the composition such as small molecule electrophoresis resin plays critical effect during electrophoresis, in order to which the product made, ultrafiltration are complete Substantial amounts of solvent is added in being typically necessary afterwards toward tank liquor to maintain electrophoresis tank to balance, so that production cost also accordingly carries It is high.Solvent and additive types and ratio in former paint formula is all extremely complex, and the complete solvent added afterwards of ultrafiltration and addition Agent species is relatively simple, and addition can not be controlled, it is easy to causes the unstable of tank liquor, and then influences the matter of electrophoresis product Amount.2nd, the bad control of pH value.Because cathode electrodip painting is in faintly acid, needs to add after electrophoresis groove liquid PH is raised and neutralize acid and enter Adjustment, and antacid conductance is very high, the overall conductance for adding tank liquor rises quickly, and film speed is slow on electrophoretic paint, adds few The levelability of paint film is poor and shrinkage cavity and other problems easily occurs, and overall addition is difficult to hold, and also easily causes groove Liquid it is unstable, and then influence electrophoresis product quality.3rd, environmental protection is not up to standard.Containing a large amount of in the above-mentioned water due to ultrafiltration Organic solvent, additive and small molecule electrophoresis resin, COD indexs are very high not directly to discharge, and handling this sewage need to adopt With biochemical processing device, the production cost of high equipment cost and handling process complexity, greatly increase product.

The content of the invention

The purpose of this utility model is to provide a kind of electrophoretic paint tank liquor computer automatic maintenance system, and the equipment uses import Conductivity probe, PH probes, temp probe and corrosion-proof solenoid valve coordinate import rolling ultrafiltration membrane and the special the moon of electrophoretic paint Cationic ion-exchange resin, the opening and closing of the magnetic valve on all pipelines are controlled by computer program, realize electrophoresis tank electricity Lead and automatically control, do not discharge the active ingredients such as any organic solvent and additive, both ensure that the long-time stability of tank liquor, again Energy-conserving and environment-protective, substantially improve electrophoretic paint permeability ratio and coulombic efficiency.

The technical solution of the utility model is：A kind of electrophoresis paint bath computer automatic maintenance system, the system include electrophoresis tank And control, by the automatic running of the programme-control whole system in the PLC display screens on control cabinet, electricity is also included on control cabinet Source switch, audible-visual annunciator, emergency stop switch；Secondary groove on electrophoresis tank is sequentially connected into paint valve, ultrafiltrate pump, ultrafiltration by pipeline to be stopped Valve, stainless steel bag filter are returned, stainless steel bag filter top is provided with filter pressure table, under stainless steel bag filter By threeway while being provided with blowoff valve on portion's lacquer export, another side is reversely entered to paint magnetic valve by entering to paint threeway connection ultrafiltration, surpassed Filter forward direction is entered to paint magnetic valve, and ultrafiltration forward direction enters to paint magnetic valve and is sequentially connected import rolled film super filter tube, ultrafiltration forward direction by pipeline Go out to paint magnetic valve, go out to paint threeway, electrophoresis tank；Ultrafiltration reversely enter to paint magnetic valve by pipeline be sequentially connected a mouthful rolled film super filter tube, Ultrafiltration reversely goes out to paint magnetic valve, goes out to paint threeway, electrophoresis tank；Go out to paint and be connected with lacquer export on pipeline between threeway and electrophoresis tank Pressure gauge and go out to paint valve；Pipeline electronics PH probes and ultrafiltration discharge electronic flowmeter are provided with above import rolled film super filter tube；Enter Mouthful rolled film super filter tube by pipeline be sequentially connected ultrafiltration water input magnetic valve, resin anion (R.A.) tank, negative and positive post isolation solenoid valve, In resin cation tank, ultrafiltration water deionization output solenoid valve, electrophoresis tank；Resin anion (R.A.) tank is sequentially connected suction alkali by pipeline Regenerate check-valves, inhale alkali regeneration pump, anion regeneration alkali groove；Resin cation tank is sequentially connected by pipeline inhales acid regeneration non-return Valve, inhale acid regeneration pump, cation regeneration acid tank；PLC display screens are popped one's head in by the groove internal conductance rate in circuit and electrophoresis tank and connected, Control cabinet is connected with magnetic valve by circuit and by programme-control magnetic valve.

Electrophoresis paint bath computer automatic maintenance system operational process is that the secondary groove on electrophoresis tank is sequentially connected into paint by pipeline Valve, ultrafiltrate pump, ultrafiltration check-valves, stainless steel bag filter, stainless steel bag filter top be provided with filter pressure table, under Led on portion's lacquer export by threeway while provided with blowoff valve, another side by four magnetic valves connection import rolled film super filter tubes The switch for crossing four magnetic valves of programme-control realizes automatic reverse, and positive ultrafiltration enters to paint magnetic valve and ultrafiltration to open ultrafiltration forward direction Forward direction, which goes out, paints magnetic valve, and reverse ultrafiltration reversely enters to paint magnetic valve and ultrafiltration for opening ultrafiltration and reversely goes out to paint magnetic valve, four electromagnetism Lacquer export pressure gauge is connected on pipeline between valve and electrophoresis tank to check lacquer export pressure and go out to paint valve control lacquer export flow；When Tank liquor in electrophoresis tank is more need to use the direct ultra-filtration function water of discharge unit ultrafiltration outward, and flow is that ultrafiltration water is rolled up by import Ultrafiltration water discharge solenoid valve is opened through pipeline electronics PH probes pass through ultrafiltration discharge electronic flowmeter calculating above formula film super filter tube The total flow for going out ultrafiltrate is discharged through ultrafiltration water discharging valve；Automatic maintenance function flow is that ultrafiltration water passes through import rolled film ultrafiltration Removed by opening ultrafiltration water output solenoid valve into resin anion (R.A.) tank through pipeline electronics PH probes above pipe miscellaneous in ultrafiltration water The acid ion of matter ion, opening negative and positive post isolation solenoid valve enter back into resin cation tank and remove ultrafiltration impurities in water ion It is very low that ammonia radical ion causes the conductance of ultrafiltration water to drop to, then opens ultrafiltration water deionization output solenoid valve and pass through pipeline electronic conductance The total flow that rate probe calculates processing through ultrafiltrate discharge electronic flowmeter automatically opens ultrafiltration water return-enclosure valve and returns to electrophoresis again In groove；When the numerical value that pipeline electronic conductivity is popped one's head in automatic maintenance system reaches setting value, system can alarm resin container In resin reached saturation and need to regenerate, the resin in resin anion (R.A.) tank is regenerated using the alkali of 3-5% concentration, resin cation Resin in tank uses the regeneration of hydrochloric acid of 5-10% concentration, and the resin regeneration flow of resin anion (R.A.) tank is anion regeneration alkali groove Buck by inhale alkali regeneration pump suck, through suction alkali regeneration pump check-valves enter resin anion (R.A.) tank, open cloudy post and just washing suction Salt discharge solenoid valve rinses electronic flowmeter by cloudy column regeneration and calculates regeneration total flow automatically, same resin cation tank Resin regeneration flow is that the sour water of cation regeneration acid tank is entered by inhaling acid regeneration pumping, is entered by inhaling acid regeneration pump check-valves Resin cation tank, opening male post are just washed suction salt discharge solenoid valve and calculated automatically again by male post regeneration flushing electronic flowmeter Raw total flow.All need to be rinsed the resin in resin container with pure water before and after regeneration, in order to which using water wisely and flushing are cleaner, System is just washing magnetic valve by control for pure water using automatic positive backwash, the square impact wash journey of resin anion (R.A.) tank by opening cloudy post The cloudy post of uninterrupted processed, which is just being washed into water choke valve, enters resin anion (R.A.) tank, open cloudy post just wash inhale salt discharge solenoid valve pass through Cloudy column regeneration rinses electronic flowmeter and calculates positive flushing total flow automatically, and the counter-flushing process of resin anion (R.A.) tank leads to for pure water Cross and open cloudy post backwash magnetic valve by controlling the cloudy post backwash water inlet choke valve of uninterrupted to enter resin anion (R.A.) tank, open Cloudy post backwash discharge solenoid valve rinses electronic flowmeter by cloudy column regeneration and calculates backwash total flow, same cation automatically The square impact wash journey of resin container is that pure water is just washing magnetic valve by controlling the male post of uninterrupted just washing into water by opening male post Choke valve enters resin cation tank, and opening male post just washes suction salt discharge solenoid valve and regenerates flushing electronic flowmeter certainly by male post Dynamic to calculate positive flushing total flow, the counter-flushing process of resin cation tank is passed through for pure water by opening male post backwash magnetic valve The male post backwash water inlet choke valve of control uninterrupted enters resin cation tank, opens male post backwash discharge solenoid valve and passes through sun Column regeneration rinses electronic flowmeter and calculates backwash total flow automatically.To save the time, anions and canons resin regeneration and positive and negative Rinse-system is independent two systems, can be carried out simultaneously.System is by the program in PLC display screens in the groove in electrophoresis tank Conductivity probe carries out data acquisition；When the electrical conductivity in electrophoresis tank exceedes default value, system automatic start is safeguarded automatically Function, work is automatically stopped less than valve system is set when safeguarding the electrical conductivity in certain time rear electrophoresis groove, it is artificial so as to save It is on duty, reach the automatic maintenance function of whole system.

The utility model has the advantage of：The ability cathode electrophoresis paint bath automatic maintenance system developed using our company, can be online Monitor electrophoresis tank pH value, electrical conductivity, solubility（Subsequent development）, realize electrical conductivity control automatically in the case where not discharging ultrafiltration water System, strengthen Stability of Bath Solution, improve electrophoresis product quality, avoid wasting and reducing blowdown, really realize automatic management electrophoresis The effect of groove energy-conserving and environment-protective.The product has the characteristics that：1st, using import rolling ultrafiltration membrane, having for electrophoresis coating resins is realized Effect separation, avoids contaminated ion exchanger resin.2nd, using the special anion-cation exchange resin of import electrophoretic paint, ensureing that resin is resistance to has Solvent ability, improve ion exchange resin service life.3rd, using corrosion-resistant solvent-proof special electromagnetic valve, ensure that equipment is steady Fixed operation.4th, electrophoresis tank conductance and temperature survey use the electrodeless conductivity probe of Britain's import, anti-electrophoretic paint pollution, ensure measurement Accuracy.5th, it is online to ultrafiltration water progress conductance and PH using 316 stainless steel conductivity probes and tetrafluoro set glass industry probe Measurement, electrophoretic paint pollution PH probes and conductance probe head are avoided, ensures that ultrafiltration water power leads the accurate measurement with PH.6th, touched using 10 cun Screen plus PLC computerized control systems are touched, realizes the Automatic Control of electrophoresis groove liquid conductance and the full-automatic regeneration behaviour of yin and yang resin tank Make, simplify resin regeneration, avoid the valve regenerative operation that operating personnel are loaded down with trivial details.7th, ultrafiltrate pump is stainless using high-quality big flow Steel high pressure magnetic drive pump, ultrafiltration membrane pressure and traffic requirement are ensured, avoid mechanical ultrafiltrate pump leakage problem, and commutate using heavy caliber Magnetic valve controls timing to carry out switch operation to milipore filter through computer, avoids milipore filter end face from blocking, and improves super filter tube and uses the longevity Life.

Brief description of the drawings

Fig. 1 is the utility model electrophoretic paint tank liquor computer automatic maintenance system structural representation.

In figure：

1st, electrophoresis tank；2nd, ultrafiltrate pump check-valves；3rd, stainless steel bag filter；4th, filter pressure table；5th, import rolling Film super filter tube；6th, lacquer export pressure gauge；7th, pipeline electronics PH pops one's head in；8th, pipeline electronic conductivity is popped one's head in；9th, resin anion (R.A.) tank； 10th, resin cation tank；11st, anion regeneration alkali groove；12nd, alkali regeneration pump check-valves is inhaled；13rd, cation regeneration acid tank；14th, inhale Acid regeneration pump check-valves；15th, groove internal conductance rate is popped one's head in；16th, control cabinet；17th, power switch；18th, audible-visual annunciator；19th, jerk Switch；20th, PLC display screens；21st, enter to paint threeway；22nd, go out to paint threeway；Y0, ultrafiltrate pump；Y1, inhale alkali regeneration pump；Y2, inhale acid regeneration Pump；Y3, ultrafiltration reversely enter to paint magnetic valve;Y4, ultrafiltration forward direction are entered to paint magnetic valve；Y5, ultrafiltration forward direction go out to paint magnetic valve；Y6, ultrafiltration Reversely go out to paint magnetic valve；Y7, ultrafiltration water discharge solenoid valve；Y10, ultrafiltration water input magnetic valve；Y11, negative and positive post isolation solenoid valve； Y12, ultrafiltration water deionization output solenoid valve；Y13, cloudy post just wash magnetic valve；Y14, cloudy post backwash magnetic valve；Y15, male post are just washed Magnetic valve；Y16, male post backwash magnetic valve；Y17, cloudy post backwash discharge solenoid valve；Y20, cloudy post, which are just washed, inhales salt discharge solenoid valve； Y21, male post backwash discharge solenoid valve；Y22, male post, which are just washed, inhales salt discharge solenoid valve；X0, ultrafiltrate discharge electronic flowmeter；X1、 Cloudy column regeneration rinses electronic flowmeter;Electronic flowmeter is rinsed in X2, male post regeneration；F1, enter to paint valve；F2, blowoff valve；F3, go out paint Valve；F4, cloudy post are just being washed into water choke valve；F5, cloudy post backwash water inlet choke valve；F6, male post are just being washed into water choke valve；F7, male post Backwash water inlet choke valve；F8, ultrafiltration water discharging valve；F9, ultrafiltration water return-enclosure valve.

Embodiment

A kind of electrophoresis paint bath computer automatic maintenance system, the system includes electrophoresis tank 1 and control 16, by control cabinet 16 PLC display screens 20 in programme-control whole system automatic running, also comprising power switch 17, acousto-optic report on control cabinet 16 Alert device 18, emergency stop switch 19；Secondary groove on electrophoresis tank 1 is sequentially connected into paint valve F1, ultrafiltrate pump Y0, ultrafiltration check-valves by pipeline 2nd, stainless steel bag filter 3, the top of stainless steel bag filter 3 are provided with filter pressure table 4, stainless steel bag filter 3 By threeway while being provided with blowoff valve F2 on the lacquer export of bottom, another side reversely is entered to paint electromagnetism by entering to paint the connection of threeway 21 ultrafiltration Valve Y3, ultrafiltration forward direction enter to paint magnetic valve Y4, and ultrafiltration forward direction enters to paint magnetic valve Y4 and is sequentially connected import rolled film ultrafiltration by pipeline Pipe 5, ultrafiltration forward direction go out to paint magnetic valve Y5, go out to paint threeway 22, electrophoresis tank 1；Ultrafiltration reversely enters to paint magnetic valve Y3 by pipeline successively Connector rolled film super filter tube 5, ultrafiltration reversely go out to paint magnetic valve Y6, go out to paint threeway 22, electrophoresis tank 1；Go out to paint threeway 22 and electrophoresis Lacquer export pressure gauge 6 is connected with pipeline between groove 1 and goes out to paint valve F3；The top of import rolled film super filter tube 5 is provided with pipeline Electronics PH probes 7 and ultrafiltration discharge electronic flowmeter X0；Import rolled film super filter tube 5 is sequentially connected ultrafiltration water by pipeline and inputted Magnetic valve Y10, resin anion (R.A.) tank 9, negative and positive post isolation solenoid valve Y11, resin cation tank 10, ultrafiltration water deionization output electricity 1 in magnet valve Y12, electrophoresis tank；Resin anion (R.A.) tank 9 be sequentially connected by pipeline inhale alkali regenerate check-valves 12, inhale alkali regeneration pump Y1, Anion regeneration alkali groove 11；Resin cation tank 10 be sequentially connected by pipeline inhale acid regeneration check-valves 14, inhale acid regeneration pump Y2, Cation regenerates acid tank 13；PLC display screens 20 are connected by circuit with the groove internal conductance rate probe 15 in electrophoresis tank 1, control cabinet 16 are connected by circuit with magnetic valve and by programme-control magnetic valve.

Electrophoresis paint bath computer automatic maintenance system according to claim 1, the system operation flow are on electrophoresis tank 1 Secondary groove be sequentially connected by pipeline into paint valve F1, ultrafiltrate pump Y0, ultrafiltration check-valves 2, stainless steel bag filter 3, stainless steel The top of bag filter 3 is provided with filter pressure table 4, is provided with blowoff valve F2, another side on the lacquer export of bottom on one side by threeway Import rolled film super filter tube 5 is connected by four magnetic valves Y3, Y4, Y5, Y6, it is real by the switch of four magnetic valves of programme-control Existing automatic reverse, to open, ultrafiltration forward direction enters to paint magnetic valve Y4 and ultrafiltration forward direction goes out to paint magnetic valve Y5, reverse ultrafiltration for positive ultrafiltration Reversely enter to paint magnetic valve Y3 and ultrafiltration for opening ultrafiltration and reversely go out to paint magnetic valve Y6, the pipe between four magnetic valves and electrophoresis tank 1 Lacquer export pressure gauge 6 is connected on road to check lacquer export pressure and go out to paint valve F3 control lacquer export flows；Tank liquor in electrophoresis tank 1 More to use the direct ultra-filtration function water of discharge unit ultrafiltration outward, flow is that ultrafiltration water passes through on import rolled film super filter tube 5 Electronic flowmeter X0 is discharged by ultrafiltration through the opening ultrafiltration water discharge solenoid valve Y7 of pipeline electronics PH probes 7 and calculates ultrafiltrate in side Total flow through ultrafiltration water discharging valve discharge；Automatic maintenance function flow is that ultrafiltration water passes through the top of import rolled film super filter tube 5 Through pipeline electronics PH probes 7 ultrafiltration impurities in water is removed by opening ultrafiltration water output solenoid valve Y10 into resin anion (R.A.) tank 9 The acid ion of ion, open negative and positive post isolation solenoid valve Y11 enter back into resin cation tank 10 remove ultrafiltration impurities in water from It is very low that the ammonia radical ion of son causes the conductance of ultrafiltration water to drop to, then opens ultrafiltration water deionization output solenoid valve Y12 and pass through pipeline The total flow that electronic conductivity probe 8 calculates processing through ultrafiltrate discharge electronic flowmeter X0 automatically opens ultrafiltration water return-enclosure again Valve F9 is returned in electrophoresis tank 1；The system meeting when the numerical value of pipeline electronic conductivity probe 8 in automatic maintenance system reaches setting value Resin in alarm resin container, which has reached saturation, to be needed to regenerate, and the resin in resin anion (R.A.) tank 9 uses the alkali of 3-5% concentration Regenerate, the resin in resin cation tank 10 uses the regeneration of hydrochloric acid of 5-10% concentration, the resin regeneration stream of resin anion (R.A.) tank 9 Journey for anion regeneration alkali groove 11 buck by inhaling alkali regeneration pump Y1 suctions, through suction alkali regeneration pump check-valves 12 enter it is cloudy from Sub- resin container 9, open cloudy post just wash inhale salt discharge solenoid valve Y20 by cloudy column regeneration rinse electronic flowmeter X1 calculate automatically Total flow is regenerated, the resin regeneration flow of same resin cation tank 10 regenerates the sour water of acid tank 13 by inhaling acid again for cation Raw pump Y2 suctions, enter resin cation tank 10 by inhaling acid regeneration pump check-valves 14, open male post and just wash and inhale salt discharge electromagnetism Valve Y22 regenerates flushing electronic flowmeter X2 by male post and calculates regeneration total flow automatically.All needed before and after regeneration with pure water to tree Resin in fat tank is rinsed, and in order to which using water wisely and flushing are cleaner, system is using automatic positive backwash, resin anion (R.A.) tank 9 square impact wash journey is that pure water is just washing magnetic valve Y13 by controlling the cloudy post of uninterrupted just to wash water inlet joint by opening cloudy post Stream valve F4 enter resin anion (R.A.) tank 9, open cloudy post just wash inhale salt discharge solenoid valve Y20 pass through cloudy column regeneration flushing electronic flow Meter X1 calculates positive flushing total flow automatically, and the counter-flushing process of resin anion (R.A.) tank 9 is electric by opening cloudy post backwash for pure water Magnet valve Y14 enters resin anion (R.A.) tank 9 by the cloudy post backwash water inlet choke valve F5 of control uninterrupted, opens cloudy post backwash row Electric discharge magnet valve Y17 rinses electronic flowmeter X1 by cloudy column regeneration and calculates backwash total flow, same resin cation automatically The square impact wash journey of tank 10 is that pure water is just washing magnetic valve Y15 by controlling the male post of uninterrupted just washing into water by opening male post Choke valve F6 enters resin cation tank 10, and opening male post just washes suction salt discharge solenoid valve Y22 and passes through male post regeneration flushing electronics Flowmeter X2 calculates positive flushing total flow automatically, and the counter-flushing process of resin cation tank 10 is anti-by opening male post for pure water Wash magnetic valve Y16 and enter resin cation tank 10 by the male post backwash water inlet choke valve F7 of control uninterrupted, open male post Backwash discharge solenoid valve Y21 regenerates flushing electronic flowmeter X2 by male post and calculates backwash total flow automatically.During to save Between, anions and canons resin regeneration and positive backwashing system are independent two systems, can be carried out simultaneously.System is shown by PLC Program in screen 20 carries out data acquisition to the groove internal conductance rate probe 15 in electrophoresis tank 1；When the electrical conductivity in electrophoresis tank 1 exceedes System automatic start automatic maintenance function during default value, set when safeguarding that the electrical conductivity in certain time rear electrophoresis groove 1 is less than Stabilization system is automatically stopped work, artificial on duty so as to save, and reaches the automatic maintenance function of whole system.

A kind of process for using of electrophoretic paint tank liquor computer automatic maintenance system：

1st, conductance automatically controls

Need to check before equipment operation into whether Qi Kou, lacquer export and processing three valves of water are normally opened, open control afterwards Case power switch processed（Do not switched not opening at the above three power-on in the case of valve）, usually only with according to tank liquor After concentration and production technology set electric conductivity value, automatic conductance operating key is opened, when the conductance in electrophoresis tank is higher than setting value, Equipment meeting automatic start removal of impurity ion, equipment can be automatically stopped work after conductance processing is to setting value, without artificial on duty. After the real-time electric conductivity value of deionization water outlet exceeds setting value, illustrate that resin has reached saturation and yin, yang post resin need to be regenerated Operation.

2nd, yin, yang column regeneration

When the real-time water outlet electric conductivity value of deionization illustrates that the ion exchange resin of yin, yang post has reached saturation and needed beyond setting value Yin, yang post is regenerated,

Without manually operated, return-enclosure amount of washing by water and resin flushing dose dispatch from the factory to have before and set without more whole regenerative process Change, carrying out practically step is as follows：

A, bath return-enclosure

Ultrafiltration water returns electrophoresis tank in cleaning and regeneration tank, avoids COD from discharging, and reduces pollution.This step need to press right side " punching manually Water return-enclosure " key operation.This step should be noted the liquid level of electrophoresis tank, avoid tank liquor overflow.

B, backwashed before regeneration

Resin container is cleaned, rinses out the trickle material of trickle deposition in tank.

C, just rinsed before regenerating

Resin container is cleaned, rinses out the trickle material of trickle deposition in tank.

D, resin regeneration

Regeneration pump startup starts to inhale salt.Cloudy post is regenerated with piece alkali, and piece alkali is 3-5% with water concentration, male post regeneration of hydrochloric acid, Hydrochloric acid is 5-10% with water concentration, and liquid medicine amount requires more than the suction salt amount of default in regenerating barrel, ensures that regenerative process is automatically complete Into.

E, just rinsed after regenerating

Rinse out the regeneration liquid medicine in resin

F, backwashed after regenerating

Rinse out the regeneration liquid medicine in resin

3rd, points for attention

A, first check whether regeneration liquid medicine configures before regenerating, avoid suction salt amount from can not enough completing automatic regeneration.

B, return-enclosure needs of washing by water are manually operated, operated before resin container regenerates, two tanks clean simultaneously, please ensure electrophoresis tank There is enough capacity, prevent electrophoretic paint from overflowing, the regeneration of any one tank starts, and this function will lock.

C, resin regeneration has power-off protection function, not completing regeneration restarting machine will to be automatically brought into operation after startup Continue unfinished step, avoid regenerating liquid medicine return-enclosure pollution electrophoresis tank.

D, the operating pressure of cartridge filter is 0.3-0.35Mpa or so when equipment is run, and the operating pressure of lacquer export exists 0-0.15 Mpa or so, filter bag is please changed in time when the operating pressure of cartridge filter is excessive.

E, delivery port has one section of transparent PVC pipe to be used to observe ultrafiltration water color above super filter tube, when ultrafiltration water is muddy（It is transparent Tank liquor）Or there is color（Colored tank liquor）When please check whether milipore filter damaged, if any the ultrafiltration membrane pipe that please more renews in time of breakage.

Claims (1)

1. A kind of 1. electrophoretic paint tank liquor computer automatic maintenance system, it is characterised in that：The system includes electrophoresis tank（1）And control （16）, pass through control cabinet（16）On PLC display screens（20）The automatic running of interior programme-control whole system, control cabinet（16） On also include power switch（17）, audible-visual annunciator（18）, emergency stop switch（19）；Electrophoresis tank（1）On secondary groove by pipeline according to It is secondary to connect into paint valve（F1）, ultrafiltrate pump（Y0）, ultrafiltration check-valves（2）, stainless steel bag filter（3）, stainless steel bag type filtering Device（3）Top is provided with filter pressure table（4）, stainless steel bag filter（3）By threeway while being provided with the lacquer export of bottom Blowoff valve（F2）, another side is by entering to paint threeway（21）Connection ultrafiltration reversely enters to paint magnetic valve（Y3）, ultrafiltration forward direction enters to paint electromagnetism Valve（Y4）, ultrafiltration forward direction enters to paint magnetic valve（Y4）Import rolled film super filter tube is sequentially connected by pipeline（5）, ultrafiltration forward direction go out paint Magnetic valve（Y5）, go out to paint threeway（22）, electrophoresis tank（1）；Ultrafiltration reversely enters to paint magnetic valve（Y3）Mouth is sequentially connected by pipeline to roll up Formula film super filter tube（5）, ultrafiltration reversely goes out to paint magnetic valve（Y6）, go out to paint threeway（22）, electrophoresis tank（1）；Go out to paint threeway（22）With electricity Swimming groove（1）Between pipeline on be connected with lacquer export pressure gauge（6）With go out to paint valve（F3）；Import rolled film super filter tube（5）On Side is provided with pipeline electronics PH and popped one's head in（7）Electronic flowmeter is discharged with ultrafiltration（X0）；Import rolled film super filter tube（5）By pipeline according to Secondary connection ultrafiltration water input magnetic valve（Y10）, resin anion (R.A.) tank（9）, negative and positive post isolation solenoid valve（Y11）, resin cation Tank（10）, ultrafiltration water deionization output solenoid valve（Y12）, in electrophoresis tank（1）；Resin anion (R.A.) tank（9）Connected successively by pipeline Connect and inhale alkali regeneration check-valves（12）, inhale alkali regeneration pump（Y1）, anion regeneration alkali groove（11）；Resin cation tank（10）Pass through pipe Road, which is sequentially connected, inhales acid regeneration check-valves（14）, inhale acid regeneration pump（Y2）, cation regeneration acid tank（13）；PLC display screens（20） Pass through circuit and electrophoresis tank（1）In groove internal conductance rate probe（15）Connection, control cabinet（16）It is connected by circuit with magnetic valve And pass through programme-control magnetic valve.