CN103213957A - Waste acid recovery system - Google Patents
Waste acid recovery system Download PDFInfo
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- CN103213957A CN103213957A CN2013100786306A CN201310078630A CN103213957A CN 103213957 A CN103213957 A CN 103213957A CN 2013100786306 A CN2013100786306 A CN 2013100786306A CN 201310078630 A CN201310078630 A CN 201310078630A CN 103213957 A CN103213957 A CN 103213957A
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Abstract
The invention discloses a waste acid recovery system, which comprises a waste liquid storage tank, a reactor, a cooler, an electrolytic tank, a control unit and many pumps, wherein, the reactor receives the waste liquid in the waste liquid storage tank, and a liquid level detecting unit detects a liquid level, and the heater heats to the reaction temperature for generating steam, which is conveyed to the cooler for forming a condensate liquid for recovering.
Description
Technical field
The present invention relates to a kind of waste acid recovery system, especially mat controlling reactor temperature is with the metal in the acid solution of isolating different boiling and the mat electrolyzer reduction waste liquid.
Background technology
Along with the progress of electronic industry, the electric or electronic installation of difference in functionality has been made in a large number, has been peddled and has been extensive use of, such as general consumer household electrical appliances and 3C Product.And in the relevant plating industry or circuit manufacturing industry of or electronic installation electric, usually can produce waste liquid, the especially spent acid solution of big measurer contaminative in this class of manufacturing.
Spent acid solution generally comprises nitric acid or the sulfuric acid with recyclable utility value, or even useful metal, such as copper or nickel.Therefore, in located by prior art, often utilize various recycling modes to reclaim acid solution and metal wherein.For example, use plating mode reduction metal ingredient wherein to become metallic state, but the reduction of metal content influences the quality of organic efficiency and recovery metal in understanding because of waste liquid in reduction is handled, therefore need regularly detect metal content, and additional waste liquid, need great amount of manpower when causing actually operating.In addition, the recovery of acid solution generally is to utilize to add the thermal distillation mode to reclaim the acid solution of boiling point lower temperature in the spent acid solution, be lower than vitriolic nitric acid such as boiling point, but the high sulfuric acid of boiling point needs then extra recovery system to handle.Especially, the recovery of metal and the recovery of acid solution are to be undertaken by different independent recovery systems, more cause the complicacy of processing procedure, and cost recovery increases.
Therefore, need a kind of waste acid recovery system, provide the acid solution of height conformability and metal recovery to handle, can simplify the complicacy that reclaims processing procedure and reduce cost, and then solve the problem of above-mentioned located by prior art.
Summary of the invention
The present invention's main purpose is to provide a kind of waste acid recovery system, the pipeline that comprises waste liquid storage tanks, reactor, water cooler, electrolyzer and be connected and a plurality of pumpings of carrying purposes, in order to recycle useful nitric acid, sulfuric acid, copper, tin, the nickel that original waste liquid comprises, wherein these pumping systems are arranged between waste liquid storage tanks, reactor, water cooler and the electrolyzer, in order to carry corresponding liquid.
The waste liquid storage tanks receives the original waste liquid of outside input, and by the input waste liquid of reactor reception from the waste liquid storage tanks, and the well heater that mat is arranged in the reactor carries out heat treated and makes the waste liquid of reactor be warming up to temperature of reaction, wherein waste liquid produces steam because of heating, and is delivered to water cooler.In water cooler, utilize the input water quench pyritous steam of lower temperature and form and discharge the recovery concentrated nitric acid that comprises the nitric acid composition or reclaim rare nitric acid, and the discharge water coolant that cools off the back higher temperatures can be disposed to outside cooling tower, and forms the input water coolant of lower temperature and recycle.
The concentrated solution that is not evaporated in the reactor injects electrolyzer after water cooler cools, the electric power that utilizes power supply unit to provide carries out electrolysis treatment and restore metal in the concentrated solution on the electroconductibility cylinder of the negative pole end that is arranged at electrolyzer, and be wound into the recovery tinsel, and in the electrolyzer residual electrolysis waste solution be contain sulfuric acid composition reclaim(ed) sulfuric acid and output.
In addition, the present invention can further comprise control unit and a plurality of be arranged on waste liquid storage tanks, reactor, in the liquid level detecting unit, wherein the liquid level detecting unit is detected liquid level and is produced detection signal, and control unit receives the operation of the unitary detection signal of liquid level detecting with pumping between control waste liquid storage tanks, reactor, water cooler, the electrolyzer, and then controls the transmission of corresponding liquid.
In addition, the present invention can utilize dilution water to adjust the concentration of liquid in waste liquid storage tanks, reactor and the electrolyzer.The present invention also can further comprise heat exchanger, allows the steam in the reactor that another input waste liquid of waste liquid storage tanks is carried out thermal pretreatment, uses the heat that avoids waste, and saves the energy.
Another object of the present invention is providing a kind of waste acid recovery system, comprise waste liquid storage tanks, a plurality of reactor, a plurality of water cooler, electrolyzer, control unit and a plurality of pumping, wherein each reactor is to be configured to be heated to differing temps, and utilize corresponding water cooler to cool off the recovery liquid that the back forms heterogeneity respectively, such as reclaiming concentrated nitric acid, reclaiming rare nitric acid.
Therefore, compared with prior art, waste acid recovery system of the present invention is fit to batch operation or operate continuously very much, and can reclaim rare nitric acid, concentrated nitric acid, sulfuric acid, metallic copper, metallic tin and or metallic nickel simultaneously.
Description of drawings
Fig. 1 is the synoptic diagram of the embodiment of the invention 1 waste acid recovery system;
Fig. 2 is the synoptic diagram of the embodiment of the invention 2 waste acid recovery systems;
Graphical indicia explanation: 10 waste liquid storage tankss, 13 liquid level detecting unit, 20 reactors, 21 well heaters, 23 liquid level detecting unit, 25 temperature detecting units, 30 water coolers, 35 temperature detecting units, 40 electrolyzers, 41 power supply units, 42 electroconductibility cylinders, 50 control units, 60 heat exchangers, C1 imports water coolant, C2 discharges water coolant, the original waste liquid of L1, L2 imports waste liquid, L3 reclaims rare nitric acid, L4 reclaims concentrated nitric acid, the L5 concentrated solution, L6 cooling concentration liquid, the L7 reclaim(ed) sulfuric acid, the L8 dilution water, another input waste liquid of L9, the pre-thermal effluent of L10, the L11 phlegma, M reclaims tinsel, S electrolytic solution, the V steam.
Embodiment
Below cooperate graphic and element numbers is done more detailed description to the present invention's embodiment, have the knack of this skill person and after studying this specification sheets carefully, can implement according to this in order to do making.
Consult the comparatively synoptic diagram of a kind of waste acid recovery system in the embodiment preferred of the present invention of being shown in Figure 1.As shown in Figure 1, this waste acid recovery system comprises waste liquid storage tanks 10, reactor 20, water cooler 30, electrolyzer 40 and a plurality of pumping (not shown), in order to original waste liquid L1 is recycled, wherein reclaim useful acid solution and metal that original waste liquid comprises, such as, acid solution can be at least a in nitric acid and the sulfuric acid, and metal can be at least a in copper, tin and the nickel.These pumpings are arranged at respectively between waste liquid storage tanks 10, reactor 20, water cooler 30 and the electrolyzer 40, in order to carry corresponding liquid.
Waste liquid storage tanks 10 receives and stores the original waste liquid L1 from the outside, and by the input waste liquid L2 of reactor 20 receptions from waste liquid storage tanks 10.Reactor 20 is provided with well heater 21, in order to the waste liquid in the reactor heating 20, makes temperature rise to specific temperature of reaction, and wherein waste liquid produces steam V because of heating, and is delivered to water cooler 30.Water cooler 30 utilizes the lower temperature input water coolant C1 of outside input, such as from cooling tower, in order to pyritous steam V is cooled off, make steam V be condensed into phlegma and discharge, wherein phlegma can be the recovery concentrated nitric acid L4 that comprises the nitric acid composition or reclaims rare nitric acid L3.In addition, the input water coolant C1 of lower temperature becomes the discharge water coolant C2 of higher temperatures, can be disposed to outside cooling tower, and forms the input water coolant C1 of lower temperature and recycle.
Particularly, waste liquid in the reactor 20 can make moisture and nitric acid in the waste liquid flash to water vapour and nitric acid vapor respectively because of well heater 21 is heated to suitable temperature of reaction, that is the steam V system that reactor 20 is produced comprises water vapour and nitric acid vapor, avoid heating too high simultaneously, form steam to prevent the sulfuric acid in the waste liquid.Therefore, temperature of reaction preferably be controlled at aqueous nitric acid azeotropic point (about 121 ℃) near, and preferable design is, the temperature of reaction of reactor 20 is 115 ℃ between 123 ℃ the time, that is a little less than the azeotropic point of aqueous nitric acid, phlegma can be the rare nitric acid L3 of the lower recovery of nitric acid content, and is 123 ℃ between 129 ℃ the time in temperature of reaction, that is a little more than the azeotropic point of aqueous nitric acid, phlegma can be the higher recovery concentrated nitric acid L4 of nitric acid content.
The concentrated solution L5 that is not evaporated in the reactor 20 forms cooling concentration liquid L6 after can cooling via water cooler 30, and injects electrolyzer 40, forms electrolytic solution S.In electrolyzer 40, the electric power that utilizes power supply unit 41 to provide carries out electrolysis treatment to electrolytic solution S and restores metal in the concentrated solution.Particularly, electroconductibility cylinder 42 is arranged in the electrolyzer 40, and be immersed among the electrolytic solution S, wherein electroconductibility cylinder 42 is the negative poles that are connected electrically to power supply unit 41, in order to be used as reducing electrode, and the metal in the concentrated solution is separated out because of reduction reaction, and attached on the electroconductibility cylinder 42 and be wound into and reclaim tinsel M, but mat wind2 (not shown) and detaching with reclaiming tinsel M on the electroconductibility cylinder 42.Particularly, but the voltage swing of mat power supply unit 41 is with the metal ingredient among the control recovery tinsel M, can only restore nickel such as low voltage, go out nickel, tin and copper and high voltage is reducible, therefore under low voltage, reclaim tinsel M and contain nickel, and under high voltage, reclaim tinsel M and contain nickel, tin and copper.In addition, residual electrolysis waste solution is and contains sulfuric acid composition reclaim(ed) sulfuric acid L7 in the electrolyzer 40, but and mat overflow mode discharge for recycling.
In addition, electroconductibility pole plate (not shown) is arranged in the electrolyzer 40, and be immersed among the electrolytic solution S, and be electrically connected to the negative pole of power supply unit 41, utilize 41 couples of electrolytic solution S of power supply unit to carry out electrolysis treatment, on the electroconductibility pole plate, restore the metal among the electrolytic solution S, form and reclaim the metal sheet (not shown).
In addition, the present invention can utilize the dilution water L8 of outside input to adjust the concentration of liquid in waste liquid storage tanks 10, reactor 20 and the electrolyzer 40.
The waste acid recovery system of the invention described above can be in order to the batch operation that realizes that spent acid reclaims, that is by operator according to actual state, with the operation of manual mode control pumping, use the normal running of keeping waste liquid storage tanks 10 in the whole waste acid recovery system, reactor 20, water cooler 30, electrolyzer 40.
Preferable, the present invention can further comprise control unit 50, a plurality of liquid level detectings unit (such as element numbers 13,23) and a plurality of temperature detecting unit (such as element numbers 25,35), wherein these liquid level detecting unit 13 and 23 are arranged in waste liquid storage tanks 10 and the reactor 20, in order to detect liquid level and to produce detection signal, and these temperature detecting units 25 and 35 are arranged in reactor 20 and the water cooler 30, in order to detect temperature and to produce the temperature detecting signal.In addition, control unit 50 can receive the detection signal from liquid level detecting unit 13 and 23, use the operation of pumping between control waste liquid storage tanks 10, reactor 20, water cooler 30, the electrolyzer 40, and then the transmission of the corresponding liquid of adjusting control, and by the temperature detecting signal of control unit 50 receptions from temperature detecting unit 25 and 35, use the well heater 23 of controlling reactor 20, and then keep required temperature of reaction, and the flow of the input water coolant C1 of controlled chilling device 30 and then keep the normal cooling function of water cooler 30.Therefore, can realize the operate continuously that spent acid reclaims, that is control the operation of whole waste acid recovery system, and can reach automatic control purpose, and not need natural amylopectin by control unit 50.
Consult Fig. 2, the synoptic diagram of the embodiment of the invention 2 waste acid recovery systems, wherein, waste acid recovery system of the present invention can further comprise heat exchanger 60, wherein another input waste liquid L9 from waste liquid storage tanks 10 is injected into heat exchanger 60, and the steam V in the reactor 20 also can partly be led in the heat exchanger 60, in order to allow pyritous steam V that another input waste liquid L9 of lower temperature is carried out thermal pretreatment, the temperature that improves another input waste liquid L9 forms pre-thermal effluent L10, use the heat that avoids waste, save the energy.Pyritous steam V forms phlegma L11 and is sent to water cooler 30 and carries out cooling process after the heat exchange of pyritous steam V.Because therefore the operation of remaining component and feature system repeat no more as described in the embodiment 1.
Particularly, the well heater 21 in the reactor 20 can be electric heater, steam heater, heat kerosene well heater, combustion gas or fuel oil, and liquid level detecting unit 23 can comprise at least one liquid level detecting device, is placed in suitable position to detect different liquid levels.For example, liquid level detecting unit 23 comprises three liquid level detecting devices in the reactor 20, be arranged at the position of the high, medium and low degree of depth respectively, therefore, control unit 50 can be learnt the liquid level height of present waste liquid in the reactor 20, control heater 21 is to adjust the temperature of waste liquid, and then the concentration of acid solution in the control steam, also can be when waste liquid be high liquid level, Heating temperature is a low temperature, makes the evaporation of more lower boiling acid solution, and when waste liquid drops to low liquid level, improve Heating temperature, produce the steam of the acid solution of the higher electricity that boils of tool.In addition, also according to the detection signal of liquid level, the safe waste liquid amount of normally operate continuously is kept in the control pumping to control unit 50 to replenish waste liquid, or adds dilution water L8 with the dilution waste liquid.
In addition, control unit 50 also can directly be learnt the amount of metal that is reduced in the electrolyzer 40 by the current consumption of power supply unit 41, and then the magnitude of recruitment of decision waste liquid, uses the operation of control pumping.
Another embodiment system of waste acid recovery system of the present invention is similar to the embodiment of Fig. 2, and its main difference is that this embodiment does not include only a reactor and a water cooler, but comprises a plurality of reactor (not shown) and a plurality of water cooler (not shown).Particularly, each reactor can be provided with a well heater, and especially this at least one reactor can be and is connected in parallel or is connected in series.Input waste liquid from this waste liquid storage tanks injects at least one reactor formation input waste liquid, and by this heater heats to a corresponding temperature of reaction, and this at least one input waste liquid produces the steam that comprises the acid solution composition under corresponding this temperature of reaction, and the concentrated solution that is not evaporated in this at least one reactor is sent out.In addition, this at least one water cooler is the steam that receives from corresponding this reactor, and the input water coolant of the lower temperature of the outside input of utilization, make this steam cooling and form phlegma and discharge, and this input water coolant becomes the discharge water coolant of higher temperatures and discharges, and the concentrated solution of this at least one reactor forms cooling concentration liquid and is sent out via this water cooler back that cools.For example, the temperature of reaction of a certain reactor can be between 115 ℃ to 123 ℃, and the temperature of reaction of another reactor can be between 123 ℃ to 129 ℃.
In sum, characteristics of the present invention are to realize batch operation or operate continuously, utilize Heating temperature not to reclaim the concentration and the composition of acid solution with control, and utilize different electrolysis voltages to reclaim the metal ingredient of tinsel, and then can reclaim rare nitric acid, concentrated nitric acid, sulfuric acid, metallic copper, metallic tin and metallic nickel in the waste liquid simultaneously with control.
Another characteristics of the present invention are to utilize a plurality of reactors being heated to differing temps respectively, thereby produce the recovery acid solution of different concns and composition individually, but and dynamic adjustments liquid waste disposal amount, to keep the stability of operate continuously.
The above person only is in order to explain the present invention's preferred embodiment; be not that attempt is done any formal restriction to the present invention according to this; be with, all have in following any modification or change of doing relevant the present invention of identical invention spirit, all must be included in the category that the invention is intended to protection.
Claims (7)
1. waste acid recovery system, in order to the original waste liquid by the outside input is recycled, and the original waste liquid of this recovery comprises metal and acid solution, it is characterized in that, comprising:
One waste liquid storage tanks in order to reception and this original waste liquid of storage, and is sent out an input waste liquid;
One reactor, in order to receive input waste liquid from this waste liquid storage tanks, and utilize this input waste liquid to a temperature of reaction of a heater heats, and this input waste liquid produces the steam that comprises the acid solution composition under this temperature of reaction, and the concentrated solution that is not evaporated in this reactor is sent out;
One water cooler, in order to receive steam from this reactor, and the input water coolant of the lower temperature of the outside input of utilization, make this steam cooling and form phlegma and discharge, and this input water coolant becomes the discharge water coolant of higher temperatures and discharges, and the concentrated solution of this reactor forms cooling concentration liquid and is sent out via this water cooler back that cools;
One electrolyzer, in order to receive cooling concentration liquid from this water cooler to form electrolytic solution, and this electrolyzer has an electroconductibility cylinder, this electroconductibility cylinder is immersed in this electrolytic solution and is electrically connected to the negative pole of a power supply unit, in order to utilize this power supply unit that this cooling concentration liquid is carried out electrolysis treatment, and the metal that restores on this electroconductibility cylinder in this cooling concentration liquid reclaims tinsel to form, and at this electroconductibility cylinder under rotating, should reclaim tinsel by a wind2 and detach this electroconductibility cylinder, in this electrolyzer after the electrolysis residual electrolysis waste solution be discharged from; And
A plurality of pumpings are arranged at respectively between this waste liquid storage tanks, this reactor, this water cooler and this electrolyzer, in order to carry corresponding liquid.
2. according to the described waste acid recovery system of claim 1, it is characterized in that, metal in this original waste liquid comprises at least a in nitric acid and the sulfuric acid, the acid solution of this original waste liquid comprises copper, at least a in tin and the nickel, the phlegma of this water cooler is for reclaiming concentrated nitric acid or reclaiming rare nitric acid, the electrolysis waste solution of this electrolyzer is for containing sulfuric acid composition reclaim(ed) sulfuric acid, and this well heater is an electric heater, steam heater, the heat kerosene well heater, combustion gas or fuel oil, and in the temperature of reaction of this reactor is 115 ℃ between 123 ℃ the time, this phlegma is the rare nitric acid of the lower recovery of nitric acid content, and be 123 ℃ between 129 ℃ the time in this temperature of reaction, this phlegma is the higher recovery concentrated nitric acid of nitric acid content.
3. waste acid recovery system, in order to the original waste liquid by the outside input is recycled, and the original waste liquid of this recovery comprises metal and acid solution, it is characterized in that, comprising:
One waste liquid storage tanks in order to reception and this original waste liquid of storage, and is sent out an input waste liquid;
One reactor, in order to receive input waste liquid from this waste liquid storage tanks, and seeing through a heater heats should input waste liquid to a temperature of reaction, and this input waste liquid produces the steam that comprises the acid solution composition under this temperature of reaction, and the concentrated solution that is not evaporated in this reactor is sent out;
One water cooler, in order to receive steam from this reactor, and the input water coolant of the lower temperature of the outside input of utilization, make this steam cooling and form phlegma and discharge, and this input water coolant becomes the discharge water coolant of higher temperatures and discharges, and the concentrated solution of this reactor forms cooling concentration liquid and is sent out via this water cooler back that cools;
One electrolyzer, in order to receive cooling concentration liquid from this water cooler to form electrolytic solution, and this electrolyzer has an electroconductibility cylinder, this electroconductibility cylinder is immersed in this electrolytic solution and is electrically connected to the negative pole of a power supply unit, in order to utilize this power supply unit that this cooling concentration liquid is carried out electrolysis treatment, and the metal that restores on this electroconductibility cylinder in this cooling concentration liquid reclaims tinsel to form, and at this electroconductibility cylinder under rotating, should reclaim tinsel by a wind2 and detach this electroconductibility cylinder;
A plurality of pumpings are arranged at respectively between this waste liquid storage tanks, this reactor, this water cooler and this electrolyzer, in order to carry corresponding liquid;
One heat exchanger, in order to receive another input waste liquid from this waste liquid storage tanks, the steam of this reactor can partly be led in this heat exchanger, in order to allow this steam to this another the input waste liquid carry out thermal pretreatment with improve this another the input waste liquid temperature, form pre-thermal effluent, and be sent in this reactor;
A plurality of liquid level detectings unit is arranged at respectively on this waste liquid storage tanks and this reactor, in order to detect liquid level and to produce detection signal;
A plurality of temperature detecting units are arranged at this reactor and this water cooler respectively, in order to detect temperature to produce the temperature detecting signal; And
One control unit, in order to receive the unitary detection signal of these liquid level detectings, to control the pumping between corresponding this waste liquid storage tanks, this reactor, this water cooler and this electrolyzer, and then regulate the transmission of corresponding liquid, and this control unit receives the temperature detecting unit of this reactor to control the well heater of this reactor, use and keep this temperature of reaction, and the temperature detecting unit that is received this water cooler by this control unit is with the flow of the input water coolant of controlling this water cooler.
4. according to the described waste acid recovery system of claim 3, it is characterized in that, metal in this original waste liquid comprises at least a in nitric acid and the sulfuric acid, the acid solution of this original waste liquid comprises copper, at least a in tin and the nickel, the phlegma of this water cooler is for reclaiming concentrated nitric acid or reclaiming rare nitric acid, the electrolysis waste solution of this electrolyzer is for containing sulfuric acid composition reclaim(ed) sulfuric acid, and this well heater is an electric heater, steam heater, the heat kerosene well heater, combustion gas or fuel oil, and in the temperature of reaction of this reactor is 115 ℃ between 123 ℃ the time, this phlegma is the rare nitric acid of the lower recovery of nitric acid content, and be 123 ℃ between 129 ℃ the time in this temperature of reaction, this phlegma is the higher recovery concentrated nitric acid of nitric acid content.
5. waste acid recovery system, in order to the original waste liquid by the outside input is recycled, and the original waste liquid of this recovery comprises metal and acid solution, it is characterized in that, comprising:
One waste liquid storage tanks in order to reception and this original waste liquid of storage, and is sent out an input waste liquid;
At least one reactor, wherein be provided with a well heater in each reactor, and this at least one reactor is for being connected in parallel or being connected in series, wherein the input waste liquid from this waste liquid storage tanks injects at least one reactor formation input waste liquid, and by this heater heats to a corresponding temperature of reaction, and this at least one input waste liquid produces the steam that comprises the acid solution composition under corresponding this temperature of reaction, and the concentrated solution that is not evaporated in this at least one reactor is sent out;
At least one water cooler, in order to receive steam from corresponding this reactor, and the input water coolant of the lower temperature of the outside input of utilization, make this steam cooling and form phlegma and discharge, and this input water coolant becomes the discharge water coolant of higher temperatures and discharges, and the concentrated solution of this at least one reactor forms cooling concentration liquid and is sent out via this water cooler back that cools;
One electrolyzer, in order to receive cooling concentration liquid from this at least one water cooler to form electrolytic solution, and this electrolyzer has an electroconductibility cylinder, this electroconductibility cylinder is immersed in this electrolytic solution and is electrically connected to the negative pole of a power supply unit, in order to utilize this power supply unit that this cooling concentration liquid is carried out electrolysis treatment, and the metal that restores on this electroconductibility cylinder in this cooling concentration liquid reclaims tinsel to form, and at this electroconductibility cylinder under rotating, should reclaim tinsel by a wind2 and detach this electroconductibility cylinder;
A plurality of pumpings are arranged at respectively between this waste liquid storage tanks, this reactor, this water cooler and this electrolyzer, in order to carry corresponding liquid;
At least one heat exchanger, in order to receive another input waste liquid from this waste liquid storage tanks, the steam of this at least one reactor can partly be led in corresponding this heat exchanger, in order to allow this steam to this another the input waste liquid carry out thermal pretreatment with improve this another the input waste liquid temperature, form pre-thermal effluent, and be sent in this reactor;
A plurality of liquid level detectings unit is arranged at respectively in this waste liquid storage tanks and this reactor, in order to detect liquid level and to produce detection signal;
A plurality of temperature detecting units are arranged at this reactor and this water cooler respectively, in order to detect temperature to produce the temperature detecting signal; And
One control unit, in order to receive the unitary detection signal of these liquid level detectings, to control the pumping between corresponding this waste liquid storage tanks, this reactor, this water cooler and this electrolyzer, and then regulate the transmission of corresponding liquid, and this control unit receives the temperature detecting unit that temperature detecting unit produced of this reactor to control this well heater, use and keep this temperature of reaction, and the temperature detecting unit that is received this water cooler by this control unit is with the flow of the input water coolant of controlling this water cooler.
6. according to the described waste acid recovery system of claim 5, it is characterized in that, metal in this original waste liquid comprises at least a in nitric acid and the sulfuric acid, the acid solution of this original waste liquid comprises copper, at least a in tin and the nickel, the phlegma of this water cooler is for reclaiming concentrated nitric acid or reclaiming rare nitric acid, the electrolysis waste solution of this electrolyzer reclaims the vitriol oil for containing the sulfuric acid composition, and this well heater is an electric heater, steam heater, the heat kerosene well heater, combustion gas or fuel oil, and the temperature of reaction of this reactor is 115 ℃ between 123 ℃ the time, this phlegma is the rare nitric acid of the lower recovery of nitric acid content, and be 123 ℃ between 129 ℃ the time in this temperature of reaction, this phlegma is the higher recovery concentrated nitric acid of nitric acid content.
7. according to claim 1 or 3 or 5 described waste acid recovery systems, it is characterized in that, this electrolyzer also has an electroconductibility pole plate that can replace this electroconductibility cylinder, this electroconductibility pole plate is immersed in this electrolytic solution and is electrically connected to the negative pole of this power supply unit, in order to utilizing this power supply unit that this electrolytic solution is carried out electrolysis treatment, and the metal that restores on this electroconductibility pole plate in this electrolytic solution reclaims metal sheet to form one.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193307A (en) * | 2012-01-04 | 2013-07-10 | 钛可明科金属科技(苏州)有限公司 | Hydrolysis removing and recovery method of alkali metal in electrolyte |
| CN104761011A (en) * | 2015-03-17 | 2015-07-08 | 江苏绿辰环保科技有限公司 | Nitrate-type waste liquid treatment system |
| CN105502541A (en) * | 2016-01-29 | 2016-04-20 | 广州欧邦联合建材有限公司 | Acid recovery equipment and use method thereof |
| CN110512270A (en) * | 2019-10-08 | 2019-11-29 | 常德威尔博金属表面处理有限责任公司 | A kind of plating pollution emission reduction device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100742088B1 (en) * | 2005-11-03 | 2007-07-23 | 재단법인 포항산업과학연구원 | A reusing method of copper nitrate waste water as etching solution and copper ingot by etching process |
| CN201990553U (en) * | 2010-12-30 | 2011-09-28 | 苏州市环境工程有限责任公司 | Resource recovery device for hanger stripping waste liquid in electroplating copper process |
| CN102730891A (en) * | 2012-08-02 | 2012-10-17 | 华夏新资源有限公司 | System for cyclically utilizing nitric acid in wet process of surface treatment |
-
2013
- 2013-03-12 CN CN2013100786306A patent/CN103213957A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100742088B1 (en) * | 2005-11-03 | 2007-07-23 | 재단법인 포항산업과학연구원 | A reusing method of copper nitrate waste water as etching solution and copper ingot by etching process |
| CN201990553U (en) * | 2010-12-30 | 2011-09-28 | 苏州市环境工程有限责任公司 | Resource recovery device for hanger stripping waste liquid in electroplating copper process |
| CN102730891A (en) * | 2012-08-02 | 2012-10-17 | 华夏新资源有限公司 | System for cyclically utilizing nitric acid in wet process of surface treatment |
Non-Patent Citations (2)
| Title |
|---|
| 刘先德: "化丝废酸的无废利用", 《中国照明电器》 * |
| 吕欣蕊: "电沉积铜箔的工艺参数和拉伸性能研究", 《中国硕士学位论文全文数据库（电子期刊）工程科技Ⅰ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103193307A (en) * | 2012-01-04 | 2013-07-10 | 钛可明科金属科技(苏州)有限公司 | Hydrolysis removing and recovery method of alkali metal in electrolyte |
| CN104761011A (en) * | 2015-03-17 | 2015-07-08 | 江苏绿辰环保科技有限公司 | Nitrate-type waste liquid treatment system |
| CN105502541A (en) * | 2016-01-29 | 2016-04-20 | 广州欧邦联合建材有限公司 | Acid recovery equipment and use method thereof |
| CN110512270A (en) * | 2019-10-08 | 2019-11-29 | 常德威尔博金属表面处理有限责任公司 | A kind of plating pollution emission reduction device |
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Application publication date: 20130724 |