CN205974673U - Chlorine reclaiming device - Google Patents
Chlorine reclaiming device Download PDFInfo
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- CN205974673U CN205974673U CN201620845394.5U CN201620845394U CN205974673U CN 205974673 U CN205974673 U CN 205974673U CN 201620845394 U CN201620845394 U CN 201620845394U CN 205974673 U CN205974673 U CN 205974673U
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- Prior art keywords
- chlorine
- diaphragm
- recovery device
- free electrolysis
- chlorine recovery
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Abstract
The utility model is suitable for a chloride field provides a chlorine reclaiming device, including be used for to pending acid etching solution carry on the electrolysis handle and produce the acid etching electrolysis regenerating unit of chlorine and be used for with chlorine turns into chlorion and hypochlorite ionic chlorine absorbing device, chlorine reclaiming device still including be used for with the chlorion turns into the hypochlorite ionic does not have the diaphragm electrolysis device, no diaphragm electrolysis device with chlorine absorbing device connects. The utility model provides a chlorion that chlorine reclaiming device produced after with the chlorine absorbate through no diaphragm electrolysis device carries out the electrolysis to be handled, turns into the hypochlorite ion, has eliminated the pollution problem that the chlorion brought in the waste liquid.
Description
Technical field
This utility model belongs to chloride field, more particularly, to a kind of chlorine recovery device.
Background technology
Acid etching is to manufacture requisite operation during printed circuit board, applies in general to the outer of multilayer board
The making of layer circuitous pattern.Acidic etching liquid is typically formed by the configuration of copper chloride, ammonium chloride, sodium chlorate and hydrochloric acid, due to it
The waste liquid producing is very big to the harm of environment, therefore most printed circuit board factory all takes etching solution online circular regeneration skill
Art, realizes resource circulation utilization, clean manufacturing.
The technique that acidic etching liquid regeneration cycle is processed at present is essentially divided into two kinds：One kind is to be entered using solvent extraction
Row acid-based copper etchant cyclic utilization method, because acid chlorization copper extractant species is few, easily lost efficacy, and expensive,
Typically do not accepted by enterprise.Another is to be electrolysed to carry out acid-based copper etchant cyclic utilization method using film, acid
Property etching solution diaphragm cell electrolysis, reclaim elemental copper, reduce copper etching liquor content of copper ion so that it is recycled.Second
Plant process operation low cost, operation easier is not high, and more enterprise is accepted.However, in electrolysis cycle regenerated acidic etching solution work
In skill, anode can produce chlorine, and chlorine is the toxic gas having intense irritation smell, needs it is processed.At present
Conventional method has alkali liquor absorption and ferrous chloride to absorb, but both approaches all can produce substantial amounts of waste water, thus producing two
Secondary pollution, particularly ferrous chloride absorb the ferric chloride that chlorine produces, and processing cost is high, and the mud producing is also many.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of chlorine recovery device it is intended to by acidic etching liquid
Waste liquid is recycled through the chlorine that electrolysis produces, and while reducing environmental pollution, realizes the recycling of resource.
This utility model is achieved in that a kind of chlorine recovery device, including for pending acidic etching liquid
Carry out being electrolysed the acid etching electrolytic regeneration device processing and producing chlorine and for by described chlorine conversion be chloride ion and time
The chlorine absorption unit of chloranion, described chlorine recovery device is also included for described chloride ion is converted into hypochlorite
The diaphragm-free electrolysis device of ion, described diaphragm-free electrolysis device is connected with described chlorine absorption unit.
Further, described diaphragm-free electrolysis device includes minus plate and positive plate, and described minus plate and positive plate are side by side
Arrangement.
Further, the spacing of described minus plate and positive plate is 1～5mm.
Further, described positive plate material applies noble metal oxide electrodes for titanium, and negative electrode panel material is Titanium.
Further, described diaphragm-free electrolysis device is included for heating to solution in described diaphragm-free electrolysis device
Heater.
Further, described diaphragm-free electrolysis device includes the pH value for detecting solution in described diaphragm-free electrolysis device
PH probe.
Further, described chlorine recovery device also includes using for the solution after processing described diaphragm-free electrolysis device
In the acidic etching liquid process units producing acidic etching liquid, described acidic etching liquid process units and described diaphragm-free electrolysis dress
Put connection.
Further, described chlorine recovery device also includes the chlorine for producing described acid etching electrolytic regeneration device
Gas is drained into the jet absorption plant in described chlorine absorption unit, and described jet absorption plant is connected to described acid etching electricity
Between solution regenerating unit and described chlorine absorption unit.
Further, described chlorine absorption unit was included for adding that liquid in described chlorine absorption unit is heated
Thermal.
Further, described chlorine recovery device also includes copper retracting device, described copper retracting device and described acid erosion
Carve electrolytic regeneration device to connect.
This utility model compared with prior art, has the beneficial effects that：The chlorine recovery device bag that this utility model provides
Include diaphragm-free electrolysis device, the chloride ion producing after being absorbed chlorine by diaphragm-free electrolysis device carries out electrolysis process, turn
Turn to hypochlorite ion, eliminate the pollution problem that chloride ion in waste liquid brings.
Further, chlorine recovery device also includes acidic etching liquid process units, by acidic etching liquid process units
In solution after diaphragm-free electrolysis device is processed, contained hypochlorite ion is as oxidant, for producing new acid erosion
Carve liquid.This not only eliminates liquid waste processing problem, and achieves the recycling of resource.
Brief description
Fig. 1 is the structural representation of the chlorine recovery device that this utility model embodiment provides.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in figure 1, a kind of chlorine recovery device 100 providing for this utility model embodiment, including for treating place
The acidic etching liquid of reason carries out being electrolysed the acid etching electrolytic regeneration device 1 processing and producing chlorine and for turning described chlorine
Turn to the chlorine absorption unit 2 of chloride ion and hypochlorite ion, chlorine recovery device 100 is also included for by described chloride ion
It is converted into the diaphragm-free electrolysis device 3 of hypochlorite ion, diaphragm-free electrolysis device 3 is connected with chlorine absorption unit 2.
Specifically, acidic etching liquid electrolytic regeneration device 1 includes anode chamber and cathode chamber, and its negative electrode and anode reaction are as follows
Shown：
Negative electrode：Cu2++2e-=Cu
Anode：2Cl--2e-=Cl2↑
Chlorine produced by anode reaction is passed in chlorine absorption unit 2 and is absorbed, and absorbs in chlorine absorption unit 2
Liquid can be the alkali liquor such as NaOH, KOH solution that concentration is 10～30%, and solution temperature is 70～90 DEG C.Taking NaOH solution as a example,
Chlorine is reacted with certain density NaOH solution under the high temperature conditions and can generate sodium chlorate and sodium chloride, the following institute of its reaction equation
Show：
3Cl2+ 6NaOH=5NaCl+NaClO3+3H2O
With the carrying out of acidic etching liquid cyclic electrolysis regeneration, the chlorine that anode chamber constantly produces is absorbed life by NaOH solution
The sodium chlorate becoming and sodium chloride concentration gradually rise, when sodium chloride concentration reaches 120～150g/L, by sodium chlorate and sodium chloride
Mixed liquor is drained into diaphragm-free electrolysis device 3.
Specifically, diaphragm-free electrolysis device 3 includes minus plate and positive plate, and minus plate and positive plate are arranged side by side；Described
The spacing of minus plate and positive plate is 1～5mm, preferably 3mm.Anode material applies noble metal oxide electrodes, cathode material for titanium
For Titanium.In diaphragm-free electrolysis device 3, temperature is 80 DEG C, and solution sodium chlorate and sodium chloride mixed liquor enter diaphragm-free electrolysis dress
Put as electrolyte, adjust pH to 6.0～7.0 with sodium dichromate or potassium dichromate, and keep solution temperature to be 80 DEG C, in electric current
Density is 2000～5000A/m2, voltage is 2.5V～3.5V, and the sodium chloride in solution can generate sodium chlorate, the following institute of reaction equation
Show：
NaCl+3H2O=NaClO3+3H2↑
The chlorine recovery device 100 providing in the present embodiment includes diaphragm-free electrolysis device 3, by diaphragm-free electrolysis device
3 chlorine is absorbed after the chloride ion that produces be converted into hypochlorite ion, eliminate the pollution that chloride ion in waste liquid brings and ask
Topic.
Further, chlorine recovery device 100 also includes being used for giving birth to for the solution after processing diaphragm-free electrolysis device 3
Produce the acidic etching liquid process units 5 of acidic etching liquid, acidic etching liquid process units 5 is connected with diaphragm-free electrolysis device 3.No
Solution after diaphragm electrolysis apparatus 3 are processed to is drained in acid etching process units 5, and acid etching process units 5 will be arranged
The described solution entering is used for producing acidic etching liquid.With the carrying out of cell reaction, chloride ion constantly change into hypochlorite from
Son, when in electrolyte, chloride ion content is down to 10～30g/L, you can be drained into the hypochlorite in solution as oxidant
In acid etching process units 5, for producing new acidic etching liquid.Additionally, the hydrogen that cathode reaction generates can store and be used for
The techniques such as ammonia synthesis, hydrochloric acid synthesis.
The chlorine recovery device 100 that the present embodiment provides passes through acidic etching liquid process units 5 further, will be electric for no barrier film
Solve contained hypochlorite ion in the solution after device 3 is processed as oxidant, for producing new acidic etching liquid.This is not
Only eliminate liquid waste processing problem, and achieve the recycling of resource.
Specifically, diaphragm-free electrolysis device 3 also includes the heating for being heated to solution in diaphragm-free electrolysis device 3
Device (not shown), can accelerate the reaction rate in solution by heating.Diaphragm-free electrolysis device 3 is also included for visiting
Survey the pH probe (not shown) of the pH value of solution in diaphragm-free electrolysis device 3.
Specifically, chlorine recovery device 100 also includes entering for the chlorine producing acid etching electrolytic regeneration device 1
Jet absorption plant 4 in chlorine absorption unit 2, jet absorption plant 4 is connected to acid etching electrolytic regeneration device 1 and chlorine
Between aspiration receiving apparatus 2.
Chlorine recovery device 100 also includes copper retracting device 6, and copper retracting device 6 is with acid etching electrolytic regeneration device 1 even
Connect, for reclaiming the elemental copper of copper retracting device 6 generation.
Specifically, chlorine absorption unit 2 includes the heater for being heated to liquid in chlorine absorption unit 2
(not shown), to keep temperature of liquid at 80 DEG C about.
The process step that the chlorine recovery device of the present embodiment carries out acidic etching liquid is as follows：
Acidic etching liquid waste liquid is placed in acid etching electrolytic regeneration device 1, opens acid etching electrolytic regeneration device 1
On and off switch, carries out electrolysis process to acidic etching liquid, produces chlorine and copper；
Copper recycles through copper retracting device 6, and chlorine is drained in chlorine absorption unit 2 through jet absorption plant 4, chlorine
Hold in absorption plant 2 is the NaOH solution of finite concentration and temperature；Simultaneously in chlorine absorption unit 2 heater start with
Keep solution temperature constant；
Chlorine is absorbed, by NaOH solution, the sodium chlorate generating and sodium chloride concentration gradually rises, when sodium chloride concentration reaches
During 135g/L, sodium chlorate and sodium chloride mixed liquor are drained in diaphragm-free electrolysis device 3；
Using sodium dichromate or potassium dichromate, the pH of the mixed liquor entering in diaphragm-free electrolysis device 3 is adjusted, protects
Hold solution, carry out electrolysis process under certain electric current density and voltage conditions；
With the carrying out of cell reaction, in the mixed liquor of diaphragm-free electrolysis device 3, chloride ion constantly changes into hypochlorite
Ion, when in electrolyte, chloride ion content is down to below 20g/L, mixed liquor is drained in acid etching process units 5, uses
In the new acidic etching liquid of production.Additionally, the hydrogen that cathode reaction generates can store for techniques such as ammonia synthesis, hydrochloric acid synthesis.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of chlorine recovery device, including for carrying out being electrolysed the acid processing and producing chlorine to pending acidic etching liquid
Property etching electrolytic regeneration device and for being the chlorine absorption unit of chloride ion and hypochlorite ion by described chlorine conversion, its
It is characterised by, described chlorine recovery device also includes the diaphragm-free electrolysis for described chloride ion is converted into hypochlorite ion
Device, described diaphragm-free electrolysis device is connected with described chlorine absorption unit.
2. chlorine recovery device as claimed in claim 1 it is characterised in that it is characterized in that, described diaphragm-free electrolysis device
Including minus plate and positive plate, described minus plate and positive plate are arranged side by side.
3. chlorine recovery device as claimed in claim 2 it is characterised in that described minus plate and positive plate spacing be 1～
5mm.
4. chlorine recovery device as claimed in claim 2 is it is characterised in that described positive plate material applies Precious metal oxidation for titanium
Thing electrode, negative electrode panel material is Titanium.
5. chlorine recovery device as claimed in claim 1 is it is characterised in that described diaphragm-free electrolysis device is included for institute
State the heater that solution in diaphragm-free electrolysis device is heated.
6. chlorine recovery device as claimed in claim 1 is it is characterised in that described diaphragm-free electrolysis device is included for detecting
The pH probe of the pH value of solution in described diaphragm-free electrolysis device.
7. chlorine recovery device as claimed in claim 1 it is characterised in that it is characterized in that, described chlorine recovery device is also
Produce dress including the acidic etching liquid being used for producing acidic etching liquid for the solution after processing described diaphragm-free electrolysis device
Put, described acidic etching liquid process units is connected with described diaphragm-free electrolysis device.
8. chlorine recovery device as claimed in claim 1 is it is characterised in that described chlorine recovery device is also included for by institute
State the chlorine jet absorption plant that is drained in described chlorine absorption unit of acid etching electrolytic regeneration device generation, described penetrate
Stream absorption plant is connected between described acid etching electrolytic regeneration device and described chlorine absorption unit.
9. chlorine recovery device as claimed in claim 1 is it is characterised in that described chlorine absorption unit is included for described
The heater that in chlorine absorption unit, liquid is heated.
10. chlorine recovery device as in one of claimed in any of claims 1 to 9 is it is characterised in that described chlorine recovery device
Also include copper retracting device, described copper retracting device is connected with described acid etching electrolytic regeneration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845394.5U CN205974673U (en) | 2016-08-05 | 2016-08-05 | Chlorine reclaiming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620845394.5U CN205974673U (en) | 2016-08-05 | 2016-08-05 | Chlorine reclaiming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205974673U true CN205974673U (en) | 2017-02-22 |
Family
ID=58029365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620845394.5U Active CN205974673U (en) | 2016-08-05 | 2016-08-05 | Chlorine reclaiming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205974673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101163A (en) * | 2017-12-21 | 2018-06-01 | 衢州华友钴新材料有限公司 | It is a kind of that valuable metal is recycled from industrial wastewater and drops ammonia nitrogen and the method for COD |
| CN112408329A (en) * | 2020-12-14 | 2021-02-26 | 广西鸿盈达环境科技有限公司 | Process and system for preparing weak-acidic hypochlorous acid water from etching waste liquid |
-
2016
- 2016-08-05 CN CN201620845394.5U patent/CN205974673U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101163A (en) * | 2017-12-21 | 2018-06-01 | 衢州华友钴新材料有限公司 | It is a kind of that valuable metal is recycled from industrial wastewater and drops ammonia nitrogen and the method for COD |
| CN108101163B (en) * | 2017-12-21 | 2020-11-03 | 衢州华友钴新材料有限公司 | Method for recovering valuable metals and reducing ammonia nitrogen and COD (chemical oxygen demand) from industrial wastewater |
| CN112408329A (en) * | 2020-12-14 | 2021-02-26 | 广西鸿盈达环境科技有限公司 | Process and system for preparing weak-acidic hypochlorous acid water from etching waste liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171128 Address after: 518000 Guangdong Shenzhen, Baoan District province manhole Street Xinqiao new industrial zone, Xinfa two road 13 plant 1, 2, 3, 2 Patentee after: ShenZhen JeCh Technology Co., Ltd. Address before: 518000, 602-2, building 6, 8 Hyatt tower, Xinqiao Road, Baoan District, Shenzhen, Guangdong Patentee before: Shenzhen Hongda Environment Technology Co., Ltd. |