WO2017148119A1 - 粗化液电解装置 - Google Patents
粗化液电解装置 Download PDFInfo
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- WO2017148119A1 WO2017148119A1 PCT/CN2016/097611 CN2016097611W WO2017148119A1 WO 2017148119 A1 WO2017148119 A1 WO 2017148119A1 CN 2016097611 W CN2016097611 W CN 2016097611W WO 2017148119 A1 WO2017148119 A1 WO 2017148119A1
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- liquid
- roughening
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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
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/54—Electroplating of non-metallic surfaces
- C25D5/56—Electroplating of non-metallic surfaces of plastics
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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
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- the invention relates to the technical field of plastic plating equipment, in particular to a rough liquid electrolysis device.
- the roughening liquid is usually a high-concentration chromate solution.
- the electrolysis production process the oxidized hexavalent chromium ion is gradually reduced to a low-oxidation trivalent by electrolysis.
- Chromium ions and as the concentration of trivalent chromium ions increases, the roughening ability of the roughening liquid becomes weaker and weaker. If the coarsening liquid is not replenished in time, the combination stability of the plating layer and the plastic parts will be seriously affected. As a result, the service life of the roughening liquid is short, which not only causes waste of resources, increases the production cost of the enterprise, but also excessively pollutes the environment by discharging too much roughening liquid.
- the present invention overcomes the deficiencies of the prior art and provides a roughing liquid electrolysis apparatus which reduces the concentration of Cr 3+ , prolongs the service life of the roughening liquid, ensures the quality of the electroplated product, and has a low use cost.
- a roughening liquid electrolysis device comprising a reaction tank and an electrolysis system, the reaction tank having a roughening liquid, the electrolysis system comprising an isolating device, an electrolytic anode, an electrolytic cathode and an energizing device disposed in the reaction tank
- the electrolytic anode and the electrolytic cathode are electrically connected to the energy supply device
- the isolation device has an electrolyte therein, the electrolytic cathode is immersed in the electrolyte, and the electrolytic anode is immersed in the electrolyte In the roughening liquid, the separator is partially immersed in the roughening liquid.
- the electrolytic anode includes a plurality of anodes connected to a positive electrode of the energizing device, the electrolytic cathode including a plurality of cathodes connected to a negative electrode of the energizing device, the isolation The device includes a plurality of spacers corresponding to the number of cathodes, and the plurality of cathodes are respectively disposed in a plurality of the spacers in a one-to-one correspondence, and the anode and the spacer are both disposed on the roughening In the liquid.
- the spacer is a ceramic diaphragm cylinder on the ceramic diaphragm cylinder There is an opening at the end.
- a roughing liquid circulation system is also included, the roughening liquid circulation system being in cyclic communication with the reaction tank.
- the reaction tank includes a liquid discharge port
- the rough liquid circulation system includes a roughening liquid tank, a first liquid supply line, a first liquid return line, and a first liquid flow drive.
- One end of the first liquid supply line is in communication with the roughening liquid tank, and the other end of the first liquid supply line is in communication with the reaction tank, one end of the first liquid return line and the thick
- the chemical tank is connected, the other end of the first liquid return line is connected to the liquid outlet, and the first liquid flow drive is connected to the first liquid supply line.
- an electrolyte circulation system is further included, the electrolyte circulation system includes an electrolyte tank, a second liquid supply line, a second liquid return line, and a second liquid flow drive, the second liquid a flow driver is connected to the second liquid supply line, the second liquid supply line is connected to the electrolyte tank and a plurality of the separators, and the second liquid return line is connected to the electrolyte tank And the isolation device.
- a plurality of the spacers are each provided with an overflow hole, and the second liquid return line is in communication with a plurality of the overflow holes.
- the air exhausting device is further included, and the reaction tank is provided with an air outlet, and the air exhausting device is disposed at the air outlet.
- the liquid level difference between the roughening liquid in the electrolytic tank and the roughening liquid in the roughening liquid circulation system is 30 cm or more.
- the roughening liquid electrolysis device communicates with the reaction tank through the roughening liquid circulation system, and sends the roughening liquid into the reaction tank, and a part of Cr 3+ in the roughening liquid is electrolyzed to react with the electrolysis
- the anode reacts with the anode to form hexavalent chromium, and the other part enters the isolating device, thereby greatly reducing the concentration of Cr 3+ in the reaction liquid, thereby ensuring the roughening ability of the roughening liquid, so that it has a long service life, and at the same time
- the high bonding strength between the plating layer and the plated part is ensured, so that the plated part has a high plating quality.
- FIG. 1 is a schematic structural view of a roughening liquid electrolysis apparatus according to an embodiment of the present invention.
- a roughening liquid electrolysis apparatus includes a reaction tank 100 and an electrolysis system 300.
- the reaction tank 100 has a roughening liquid 120 therein
- the electrolysis system 300 includes a reaction liquid 100 disposed in the reaction tank 100.
- the isolation device 320, the electrolytic anode 340, the electrolytic cathode 360, and the energy supply device 380, the electrolytic anode 340 and the electrolytic cathode 360 are electrically connected to the energy supply device 380, and the isolation device 320 has an electrolyte therein.
- the electrolytic cathode 360 is immersed in the electrolyte
- the electrolytic anode 340 is immersed in the roughening liquid 120
- the isolating device 320 is partially immersed in the roughening liquid 120.
- the reaction tank 100 is preferably made of a titanium alloy and has strong acid corrosion resistance to ensure reliability in a poor working environment.
- the isolation device 320, the electrolytic anode 340, and the electrolytic cathode 360 are installed inside the reaction tank 100 and immersed in the roughening liquid 120 to facilitate an electrolytic reaction, wherein the isolation device 320 Partially immersed in the roughening liquid 120 specifically means that the isolating device 320 is higher than a portion above the liquid surface of the roughening liquid, and prevents the coarsening liquid from flowing into the isolating device 320, thereby affecting the concentration of the internal electrolyte.
- the trivalent chromium ion portion in the roughening liquid can generate a positive hexavalent chromium ion by the electron reduction reaction with the electrolytic anode 340, thereby reducing the concentration of the trivalent chromium ion, and additionally having a partial trivalent value.
- Chromium ions will penetrate into the isolating device 320 to further reduce the concentration of trivalent chromium ions in the roughening liquid, thereby ensuring the coarsening liquid has good roughening ability, prolonging its service life and reducing emission pollution, and at the same time, The bonding force between the plating layer and the plated part can be improved to ensure a higher plating quality.
- the energizing device 380 is a DC power source for providing a current for the electrolytic reaction, and may specifically be a high frequency switching power supply or a thyristor rectifier, and the output voltage ranges from 0 to 15 V, and the current ranges from 0 to 500 A.
- the above-described roughening liquid electrolysis apparatus further includes a roughening liquid circulation system 200 that is in cyclic communication with the reaction tank 100.
- the roughening liquid circulation system 200 is in cyclic communication with the reaction tank 100 to continuously provide a roughening liquid for the electrolysis reaction, thereby improving the continuous working ability of the apparatus.
- the reaction tank 100 includes a liquid outlet port 140 including a roughening liquid tank 220, a first liquid supply line 240, a first liquid return line 260 and a first liquid flow drive 280.
- One end of the first liquid supply line 240 is in communication with the roughening liquid tank 220, and the other end of the first liquid supply line 240 is in communication with the reaction tank 100, and the first liquid return line 260
- One end is in communication with the roughening tank 220, the other end of the first liquid returning line 260 is connected to the liquid outlet 140, and the first liquid flow driver 280 is in communication with the first liquid supply line. 240.
- both ends of the first liquid supply pipe 240 respectively extend into the roughening liquid 120 and the roughening liquid supply liquid layer 210 in the roughening liquid circulation system 200, and communicate with each other
- the first liquid flow driver 280 in the first liquid supply line 240 provides the flowing power for the roughening liquid, so that the roughening liquid can continuously flow into the reaction tank 100, thereby ensuring the sustainability and reliability of the work.
- the first liquid return line 260 that communicates with the roughening liquid circulation system 200 and the reaction tank 100 can reflow the coarse liquid containing impurities and participate in the electrolysis reaction to the lower portion.
- the roughening liquid circulation system is described to ensure the quality of the crude liquid reaction liquid.
- the first liquid supply line 240 and the first liquid return line 260 are PVDF tubes, and the second liquid supply line 540 and the second liquid return line 560 are PVC tubes.
- the liquid level difference between the roughening liquid in the electrolytic cell 100 and the roughening liquid in the roughening liquid circulation system 200 is 30 cm or more.
- the liquid level of the roughening liquid 120 is set to be at least 30 cm higher than the liquid level of the roughening liquid supply layer 210, so that the reflux from the reaction tank 100 can be completed by the self-gravity of the roughening liquid.
- the purpose of the roughening tank 220 is not required by any other equipment, so that not only the structural complexity and operability of the electrolyzing device can be reduced, but also the cost of use can be reduced.
- the electrolytic anode 340 includes a plurality of anodes 342 connected to the positive poles of the energizing device 380, the electrolytic cathodes 360 including a plurality of cathodes 362 connected to the cathode of the energizing device 380, the isolating device 320 includes a plurality of spacers 322 corresponding to the number of cathodes 362, and a plurality of the cathodes 362 are respectively disposed in a plurality of the spacers 322 in one-to-one correspondence, and the anodes 342 and the spacers 322 are respectively It is disposed in the roughening liquid 120.
- a plurality of the cathodes 362 of the electrolytic cathode 360 are respectively mounted in the plurality of the spacers 322, and are partially or completely immersed below the liquid level of the electrolyte, and at the same time, a plurality of the anodes 342 are preferably And a plurality of the spacers 322 are alternately disposed in the roughening liquid 120.
- the electroplating processing of the plurality of electroplating parts can be simultaneously performed, thereby greatly improving the processing efficiency and simultaneously remarkable Improve the uniformity of plating.
- the number of anodes 342 is four, and the number of cathodes 362 is three, and is mounted in an anode-cathode-anode arrangement.
- the anode 342 and the spacer 322 may also be mounted in other manners.
- the spacer 322 is a ceramic diaphragm cylinder, and an upper end of the ceramic diaphragm cylinder is provided with an opening.
- the spacer 322 is designed as an open and bottom sealed ceramic diaphragm cylinder to facilitate injection of an electrolyte into the cathode to react with the cathode, but it should be ensured that the height of the ceramic diaphragm cylinder opening is greater than the roughening liquid 120.
- the height of the surface roughening fluid flows into the cylinder to affect the quality of the electrolyte.
- the material of the ceramic diaphragm cylinder itself has the characteristics of small pore size and high porosity.
- the trivalent chromium ion having a small particle diameter can be allowed to pass while blocking the chromate ion having a large particle diameter.
- the trivalent chromium ion in the roughening liquid is reduced, and the good roughening ability is ensured, so that it has good working performance.
- the above roughening liquid electrolysis apparatus further includes an electrolyte circulation system 500 including an electrolyte tank 520, a second liquid supply line 540, a second liquid return line 560, and a second liquid flow drive 580,
- the second liquid flow driver 580 is in communication with the second liquid supply line 540, and the second liquid supply line 540 is connected to the electrolyte solution tank 520 and the plurality of the spacers 322, the second The liquid return line 560 communicates with the electrolyte tank 520 and the isolation device 320.
- the second liquid flow driver 580 is communicated in the second liquid supply line 540, and the second liquid supply line 540 and the second liquid return line 560 both include a liquid inlet end and Liquid outlet, It is ensured that the liquid inlet end of the second liquid supply line 540 is in communication with the electrolyte tank 520, and the liquid outlet end of the second liquid supply line 540 includes a plurality of branches corresponding to the number of the spacers 322 a conduit 542, a plurality of branch conduits 542 are respectively disposed in a plurality of the spacers 322, and a liquid outlet end of the second liquid return conduit 560 is in communication with the electrolyte tank 520.
- the liquid inlet end of the second liquid return line 560 is in communication with the isolating device 320, and a good electrolyte circulation circuit can be formed, and the electrolyte can be continuously supplied to the separator with a suitable concentration of the electrolyte, so that the electrolyte reaches Automatic cycle cleaning for the purpose.
- a plurality of the spacers 322 are each provided with an overflow hole 600, and the second liquid return line 560 is in communication with a plurality of the overflow holes 600.
- the overflow hole 600 is disposed on the side wall of the spacer 322 near the opening, and when the electrolyte in the spacer 322 rises to a certain height, the second liquid return line 560 can be automatically removed from the second liquid return line 560. Flowing back into the electrolyte tank 520 without the need for pumping back by means of the power unit, equipment expenditure can be reduced, cost can be saved, and the structure of the entire apparatus can be made simpler.
- the three spacers are arranged side by side, and each of them has an overflow hole on a side facing the electrolyte tank, and the liquid inlet end of the second liquid return line is divided into three sections. And sequentially connected with the three overflow holes, the electrolyte will be sequentially returned from the three separators to the electrolyte tank through the overflow hole.
- the above-mentioned roughening liquid electrolysis device further includes an exhaust device 700, and the reaction tank 100 is provided with an exhaust port 160, and the exhaust device 700 is disposed at the exhaust port 160.
- the exhaust device 700 includes an exhaust fan, and an exhaust fan is installed in the exhaust port 160 of the reaction tank 100, and the hydrogen and chromic acid mist generated by the electrolysis reaction can be timely extracted and treated to prevent air pollution caused by leakage.
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Abstract
一种粗化液电解装置,包括反应槽和电解系统,所述反应槽内具有粗化液,所述电解系统包括设置于所述反应槽内的隔离装置、电解阳极、电解阴极以及供能装置,所述电解阳极和所述电解阴极均与所述供能装置电性连接,所述隔离装置内具有电解液,所述电解阴极浸没于所述电解液内,所述电解阳极浸没于所述粗化液中,所述隔离装置部分浸没于所述粗化液中。通过电解反应使得粗化液中的Cr 3+一部分与所述电解阳极发生阳极反应生成六价铬,另一部分进入隔离装置内,从而大大降低反应液中Cr 3+的浓度,从而确保粗化液的粗化能力,使其具备较长的使用寿命,同时保证电镀层与电镀件之间较高的结合力,使电镀件具有较高的电镀质量。
Description
本发明涉及塑胶电镀装置技术领域,特别是一种粗化液电解装置。
目前在塑胶电镀行业中,粗化液通常都是采用的高浓度铬酸盐溶液,在电解生产过程中,通过电解反应强氧化性的六价铬离子会逐渐被还原成低氧化性的三价铬离子,而随着三价铬离子浓度的不断升高,会使得粗化液的粗化能力越来越弱,如果不及时补充粗化液会严重影响电镀层与塑胶件的结合稳固性,由此会造成粗化液使用寿命短,这不仅会造成资源的浪费,增加企业的生产成本,排放过多的粗化液还会严重污染环境。
发明内容
基于此,本发明在于克服现有技术的缺陷,提供一种降低Cr3+的浓度,延长粗化液的使用寿命,保证电镀产品质量且使用成本低的粗化液电解装置。
其技术方案如下:
一种粗化液电解装置,包括反应槽和电解系统,所述反应槽内具有粗化液,所述电解系统包括设置于所述反应槽内的隔离装置、电解阳极、电解阴极以及供能装置,所述电解阳极和所述电解阴极均与所述供能装置电性连接,所述隔离装置内具有电解液,所述电解阴极浸没于所述电解液内,所述电解阳极浸没于所述粗化液中,所述隔离装置部分浸没于所述粗化液中。
在其中一个实施例中,所述电解阳极包括与所述供能装置的正极均连接的多个阳极,所述电解阴极包括与所述供能装置的负极均连接的多个阴极,所述隔离装置包括与所述阴极数量相对应的多个隔离件,多个所述阴极分别一一对应地设置于多个所述隔离件内,所述阳极和所述隔离件均布置于所述粗化液中。
在其中一个实施例中,所述隔离件为陶瓷隔膜筒体,陶瓷隔膜筒体的上
端设有开口。
在其中一个实施例中,还包括粗化液循环系统,所述粗化液循环系统与所述反应槽循环连通。
在其中一个实施例中,所述反应槽包括出液口,所述粗化液循环系统包括粗化液槽,第一供液管路,第一回液管路和第一液流驱动器,所述第一供液管路的一端与所述粗化液槽连通,所述第一供液管路的另一端与所述反应槽连通,所述第一回液管路的一端与所述粗化液槽连通,所述第一回液管路的另一端与所述出液口连接,所述第一液流驱动器连通于所述第一供液管路。
在其中一个实施例中,还包括电解液循环系统,所述电解液循环系统包括电解液槽,第二供液管路,第二回液管路和第二液流驱动器,所述第二液流驱动器连通于所述第二供液管路中,所述第二供液管路连通所述电解液槽和多个所述隔离件,所述第二回液管路连通所述电解液槽和所述隔离装置。
在其中一个实施例中,多个所述隔离件均设有溢流孔,所述第二回液管路与多个所述溢流孔均连通。
在其中一个实施例中,还包括排风装置,所述反应槽设有排风口,所述排风装置设置于所述排风口。
在其中一个实施例中,所述电解槽内的粗化液与所述粗化液循环系统内的粗化液的液面高度差大于等于30cm。
本发明的有益效果在于:
上述粗化液电解装置通过所述粗化液循环系统与所述反应槽连通,将粗化液送入所述反应槽内,通过电解反应使得粗化液中的Cr3+一部分与所述电解阳极发生阳极反应生成六价铬,另一部分进入所述隔离装置内,从而大大降低反应液中Cr3+的浓度,从而确保粗化液的粗化能力,使其具备较长的使用寿命,同时保证电镀层与电镀件之间较高的结合力,使电镀件具有较高的电镀质量。
图1为本发明实施例所述的粗化液电解装置的结构示意图。
附图标记说明:
100、反应槽,120、粗化液,140、出液口,160、排风口,200、粗化液循环系统,210、粗化液供液层,220、粗化液槽,240、第一供液管路,260、第一回液管路,280、第一液流驱动器,300、电解系统,320、隔离装置,322、隔离件,340、电解阳极,342、阳极,360、电解阴极,362、阴极,380、供能装置,500、电解液循环系统,520、电解液槽,540、第二供液管路,542、分支管路,560、第二回液管路,580、第二液流驱动器,600、溢流孔,700、排风装置。
下面对本发明的实施例进行详细说明:
如图1所示,一种粗化液电解装置,包括反应槽100和电解系统300,所述反应槽100内具有粗化液120,所述电解系统300包括设置于所述反应槽100内的隔离装置320、电解阳极340、电解阴极360以及供能装置380,所述电解阳极340和所述电解阴极360均与所述供能装置380电性连接,所述隔离装置320内具有电解液,所述电解阴极360浸没于所述电解液内,所述电解阳极340浸没于所述粗化液120中,所述隔离装置320部分浸没于所述粗化液120中。
其中,所述反应槽100优选为钛合金制造,具有较强的耐酸腐蚀性能,确保恶略工作环境下的可靠性。此外所述隔离装置320、所述电解阳极340和所述电解阴极360安装于所述反应槽100的内部并浸没于所述粗化液120中,以便于进行电解反应,其中所述隔离装置320部分浸没于所述粗化液120具体是指所述隔离装置320高于粗化液的液面以上一部分,避免粗化液流入所述隔离装置320内,影响其内部电解液的浓度。此时,粗化液中的三价铬离子部分可以通过电解反应与所述电解阳极340发生失去电子的还原反应而生成正六价的铬离子,降低三价铬离子的浓度,另外有部分三价铬离子会渗透进入所述隔离装置320中进一步降低粗化液中的三价铬离子浓度,从而确保粗化液具有良好的粗化能力,延长其使用寿命,减少排放污染,同时,也
可以提高电镀层与电镀件之间的结合力,保证较高的电镀质量。所述供能装置380为直流电源,用于提供电解反应的电流,其具体可以是高频开关电源或可控硅整流器,其输出的电压范围为0~15V,电流范围为0~500A。
上述粗化液电解装置还包括粗化液循环系统200,所述粗化液循环系统200与所述反应槽100循环连通。所述粗化液循环系统200与所述反应槽100循环连通可以持续不断地提供用于电解反应的粗化液,提高该装置的持续工作能力。
所述反应槽100包括出液口140,所述粗化液循环系统200包括粗化液槽220,第一供液管路240,第一回液管路260和第一液流驱动器280,所述第一供液管路240的一端与所述粗化液槽220连通,所述第一供液管路240的另一端与所述反应槽100连通,所述第一回液管路260的一端与所述粗化液槽220连通,所述第一回液管路260的另一端与所述出液口140连接,所述第一液流驱动器280连通于所述第一供液管路240。
具体的,所述第一供液管路240的两端分别伸入所述粗化液120和所述粗化液循环系统200内的所述粗化液供给液层210中,通过连通于所述第一供液管路240中的所述第一液流驱动器280为粗化液提供流动的动力,使粗化液可以持续流入所述反应槽100内,保证工作的可持续性和可靠性,此外,通过连通连通所述粗化液循环系统200和所述反应槽100的所述第一回液管路260又可以将参与电解反应后浓度较低、含有杂质的粗化液回流至所述粗化液循环系统,以保证所述粗化液反应液的质量。所述第一供液管路240和所述第一回液管路260为PVDF管,所述第二供液管路540和所述第二回液管路560为PVC管。
所述电解槽100内的粗化液与所述粗化液循环系统200内的粗化液的液面高度差大于等于30cm。将所述粗化液120的液面高度设置成至少大于所述粗化液供液层210的液面高度30cm,可以实现通过粗化液的自身重力作用就可以完成从所述反应槽100回流至所述粗化液槽220的目的,而不需要借助任何其他设备,如此不仅可以降低该电解装置的结构复杂性和操作性,还可以降低使用成本。
所述电解阳极340包括与所述供能装置380的正极均连接的多个阳极342,所述电解阴极360包括与所述供能装置380的负极均连接的多个阴极362,所述隔离装置320包括与所述阴极362数量相对应的多个隔离件322,多个所述阴极362分别一一对应地设置于多个所述隔离件322内,所述阳极342和所述隔离件322均布置于所述粗化液120中。
将所述电解阴极360的多个所述阴极362分别安装于多个所述隔离件322内,并保证部分或全部浸入所述电解液液面以下,同时,优选地将多个所述阳极342和多个所述隔离件322交替设置于所述粗化液120中,通过该种布置方式进行一次电解反应时可以同时进行多个电镀件的电镀加工,大大提高了加工效率,同时也可以显著提高电镀的均匀性。例如在本优选的实施例中,所述阳极342的数量为4个,所述阴极362的数量为3个,并按照阳极-阴极-阳极的布置方式进行安装。当然,在其他的实施例中,所述阳极342和所述隔离件322也可以按照其他方式进行安装布置。
所述隔离件322为陶瓷隔膜筒体,所述陶瓷隔膜筒体的上端设有开口。将所述隔离件322设计为具有开口、底部密封的陶瓷隔膜筒体,方便将电解液注入其内与所述阴极进行反应,但应当保证陶瓷隔膜筒体开口的高度大于所述粗化液120的高度,表面粗化液流入筒内影响电解液的质量。另外,所述陶瓷隔膜筒体的材料本身具有孔径小,孔隙率高的特点,在本发明的技术方案中可以允许粒径小的三价铬离子通过,而同时阻挡粒径大的铬酸根离子通过,从而降低粗化液中的三价铬离子的同时还可以保证其良好的粗化能力,使其具备良好的工作性能。
上述粗化液电解装置还包括电解液循环系统500,所述电解液循环系统500包括电解液槽520,第二供液管路540,第二回液管路560和第二液流驱动器580,所述第二液流驱动器580连通于所述第二供液管路540中,所述第二供液管路540连通所述电解液槽520和多个所述隔离件322,所述第二回液管路560连通所述电解液槽520和所述隔离装置320。
其中,通过在所述第二供液管路540中连通所述第二液流驱动器580,同时所述第二供液管路540和所述第二回液管路560均包括入液端和出液端,
保证所述第二供液管路540的入液端与所述电解液槽520连通,所述第二供液管路540的出液端包括与所述隔离件322数量相对应的多个分支管路542,多个分支管路542分别一一对应地设置于多个所述隔离件322内,所述第二回液管路560的出液端与所述电解液槽520连通,所述第二回液管路560的入液端与所述隔离装置320连通,可以形成良好的电解液循环回路,可以持续为所述隔离件内供给干净、浓度适合的电解液,从而使电解液达到自动循环清洁的目的。
多个所述隔离件322均设有溢流孔600,所述第二回液管路560与多个所述溢流孔600均连通。在所述隔离件322上靠近开口的侧壁上设置所述溢流孔600,当所述隔离件322内的电解液上升到一定高度时,便可自动从所述第二回液管路560流回至所述电解液槽520内,而无需借助动力装置回抽,可以降低设备支出,节省成本,使整个装置的结构更加简单。在本优选的实施例中,三个隔离件并排设置,且均在面向所述电解液槽的一侧开设有溢流孔,所述第二回液管路的入液端分为三段,并依次和三个溢流孔连通,电解液会通过溢流孔从三个所述隔离件依次回流至所述电解液槽。
上述粗化液电解装置还包括排风装置700,所述反应槽100设有排风口160,所述排风装置700设置于所述排风口160。所述排风装置700包括排风扇,在所述反应槽100的排风口160安装排风扇,可以及时将电解反应产生的氢气和铬酸雾等及时抽出并处理,以防止泄露造成空气污染。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
Claims (9)
- 一种粗化液电解装置,其特征在于,包括反应槽和电解系统,所述反应槽内具有粗化液,所述电解系统包括设置于所述反应槽内的隔离装置、电解阳极、电解阴极以及供能装置,所述电解阳极和所述电解阴极均与所述供能装置电性连接,所述隔离装置内具有电解液,所述电解阴极浸没于所述电解液内,所述电解阳极浸没于所述粗化液中,所述隔离装置部分浸没于所述粗化液中。
- 根据权利要求1所述的粗化液电解装置,其特征在于,所述电解阳极包括与所述供能装置的正极均连接的多个阳极,所述电解阴极包括与所述供能装置的负极均连接的多个阴极,所述隔离装置包括与所述阴极数量相对应的多个隔离件,多个所述阴极分别一一对应地设置于多个所述隔离件内,所述阳极和所述隔离件均布置于所述粗化液中。
- 根据权利要求2所述的粗化液电解装置,其特征在于,所述隔离件为陶瓷隔膜筒体,所述陶瓷隔膜筒体的上端设有开口。
- 根据权利要求1所述的粗化液电解装置,其特征在于,还包括粗化液循环系统,所述粗化液循环系统与所述反应槽循环连通。
- 根据权利要求4所述的粗化液电解装置,其特征在于,所述反应槽包括出液口,所述粗化液循环系统包括粗化液槽,第一供液管路,第一回液管路和第一液流驱动器,所述第一供液管路的一端与所述粗化液槽连通,所述第一供液管路的另一端与所述反应槽连通,所述第一回液管路的一端与所述粗化液槽连通,所述第一回液管路的另一端与所述出液口连接,所述第一液流驱动器连通于所述第一供液管路。
- 根据权利要求2所述的粗化液电解装置,其特征在于,还包括电解液循环系统,所述电解液循环系统包括电解液槽,第二供液管路,第二回液管路和第二液流驱动器,所述第二液流驱动器连通于所述第二供液管路中,所述第二供液管路连通所述电解液槽和多个所述隔离件,所述第二回液管路连通所述电解液槽和所述隔离装置。
- 根据权利要求6所述的粗化液电解装置,其特征在于,多个所述隔离 件均设有溢流孔,所述第二回液管路与多个所述溢流孔均连通。
- 根据权利要求1所述的粗化液电解装置,其特征在于,还包括排风装置,所述反应槽设有排风口,所述排风装置设置于所述排风口。
- 根据权利要求1所述的粗化液电解装置,其特征在于,所述电解槽内的粗化液与所述粗化液循环系统内的粗化液的液面高度差大于等于30cm。
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