CN107915285A - A kind of high-concentration salt-containing wastewater removal device and method - Google Patents
A kind of high-concentration salt-containing wastewater removal device and method Download PDFInfo
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- CN107915285A CN107915285A CN201711185339.3A CN201711185339A CN107915285A CN 107915285 A CN107915285 A CN 107915285A CN 201711185339 A CN201711185339 A CN 201711185339A CN 107915285 A CN107915285 A CN 107915285A
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- Prior art keywords
- anode casing
- waste water
- membrane
- cathode shell
- removal device
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
- C02F1/4695—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis electrodeionisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
- C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of high-concentration salt-containing wastewater removal device and method, it solves the problems, such as brine waste removing method high energy consumption and easily produces pollution, its structure is simpler, can remove the salt in waste water, operating cost can be reduced again, its technical solution is：Including ionizing feature, the ionizing feature includes the anode casing and cathode shell being oppositely arranged, membrane is set between the anode casing and cathode shell, waste water free air space is formed between membrane and anode casing, softened water free air space is formed between membrane and cathode shell；The anode casing is connected by wastewater outlet pipe with gas-liquid separator；The anode casing is connected with positive pole, and the cathode shell is connected with power cathode.
Description
Technical field
The present invention relates to brine waste removal technology field, more particularly to a kind of high-concentration salt-containing wastewater removal device and
Method.
Background technology
At present, the field such as pickling in the preparation of boiler recirculated water, industrial cycle water cooling, chemical pharmaceutical, pickles can produce greatly
Amount high concentration contains the waste water of chlorion；The method of such waste water is removed at present more by the way of evaporating, concentrating and crystallizing, its mistake
Journey is generally the processes such as waste water heating, moisture evaporation, condensing crystallizing, salinity separation, fixed-end forces.Although this mode solves
The pollution problem of high-concentration salt-containing wastewater, but shortcoming is also protruded very much, such as high energy consumption, and operating cost is high, and easily produces dangerous waste,
Cause secondary pollution.
In conclusion the problem of polluting is produced for brine waste removing method high energy consumption and easily in the prior art, still
Lack effective solution.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of high-concentration salt-containing wastewater removal device, its
Structure is simpler, can remove the salt in waste water and reduce operating cost；
Further, the present invention uses following technical proposals：
A kind of high-concentration salt-containing wastewater removal device, including ionizing feature, the ionizing feature include the sun being oppositely arranged
Pole shell and cathode shell, membrane is set between the anode casing and cathode shell, is formed between membrane and anode casing useless
Water free air space, forms softened water free air space between membrane and cathode shell；The anode casing by wastewater outlet pipe with
Gas-liquid separator connects；
The anode casing is connected with positive pole, and the cathode shell is connected with power cathode.
Further, the membrane is permselectivity membrane, is specially cation-exchange membrane.
Further, air outlet pipe is set to be connected with reactor lower part at the top of the gas-liquid separator, the cathode shell leads to
Electrolyte outlet pipe is crossed to connect with reactor bottom.
Further, the reactor top is connected by woven hose with fluid reservoir.
Further, lower part sets aeration plate in the gas-liquid separator, and the gas-liquid separator bottom is defeated by being aerated
Pipe is sent to be connected with aerator.
Further, the gas-liquid separator top sets outlet tube.
Further, the anode casing and cathode shell surround closed area, outside the anode casing, membrane and cathode
Shell both ends are connected by insulating fixing piece.
Further, binding post is set on the outside of the anode casing, and binding post is connected by power cord with positive pole.
Further, binding post is set on the outside of the cathode shell, and binding post is connected by power cord with power cathode.
Further, the anode casing bottom sets waste water inlet pipe to be connected with storage of waste water tank, storage of waste water tank with
Waste water metering pump is set between anode casing.
Further, the cathode shell bottom sets softened water inlet tube to be connected with softening water store tank, softened water storage
Deposit setting softened water metering pump between tank and cathode shell.
A kind of method of work of high-concentration salt-containing wastewater removal device, comprises the following steps：
Brine waste is passed through into the waste water free air space of ionizing feature, softened water is passed through into softened water free air space；
Chlorion is ionized to chlorine on anode casing surface in waste water, and softened water is ionized to hydrogen on cathode shell surface
Oxygen radical ion and hydrogen；
Sodium ion enters softened water free air space through membrane in waste water and hydroxide ion combines to form sodium hydroxide solution；
Waste water containing chlorine goes out chlorine through gas-liquid separator separates and reacts with sodium hydroxide solution in reactor, is formed secondary
Sodium chlorate solution.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention forms two independent cavitys, anode casing and membrane by anode casing, membrane and cathode shell
Form anode chamber, cathode shell and membrane form cathode chamber, and the waste water containing chlorion only enters anode chamber, the chlorion in water
Separated in the form of chlorine from waste water, the sodium ion in water is separated in a manner of entering cathode chamber by membrane from waste water
Go out, waste water enters during anode chamber is flowed through without exterior materials, and the present invention is clean treatment process；
The chlorine and sodium hydroxide that apparatus of the present invention electrolysis produces react generation liquid liquor natrii hypochloritis in reactor,
Not only solved the overflow problem of chlorine, but also generated the javelle water with economic value, and made sewage disposal expense big
It is big to reduce, or even slightly get a profit.
Compared with prior art, present invention process is more perfect, and equipment operating cost is low, and the popularization for being conducive to the device should
With.
Brief description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are used to explain the application, do not form the improper restriction to the application.
Fig. 1 is the structure diagram of apparatus of the present invention；
In figure, 1, power supply, 2, power cord, 3, anode casing binding post, 4, cathode shell binding post, 5, waste water inlet pipe,
6th, wastewater outlet pipe, 7, anode casing, 8, membrane, 9, cathode shell, 10 insulated bolts, 11, electrolyte outlet pipe, 12, softening
Water inlet pipe, 13, storage of waste water tank, 14, waste water metering pump, 15, aerator, 16, aeration delivery pipe, 17, aeration plate, 18, gas
Liquid/gas separator, 19, outlet tube, 20, air outlet pipe, 21, reactor, 22, woven hose, 23, fluid reservoir, 24, softening water store tank,
25th, softened water metering pump.
Embodiment
It is noted that described further below is all illustrative, it is intended to provides further instruction to the application.It is unless another
Indicate, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, brine waste removing method high energy consumption exists in the prior art and easily produces dirty
The problem of dye,, can be by the salt in waste water present applicant proposes a kind of structure is simpler in order to solve technical problem as above
Class removes, and the high-concentration salt-containing wastewater removal device and method that can reduce operating cost.
In a kind of typical embodiment of the application, as shown in Figure 1, there is provided a kind of high-concentration salt-containing wastewater removes dress
Put, including ionizing feature, ionizing feature includes the anode casing 7 and cathode shell 9 being oppositely arranged, outside anode casing 7 and cathode
Membrane 8 is set between shell 9, waste water free air space, shape between membrane 8 and cathode shell 9 are formed between membrane 8 and anode casing 7
Into softened water free air space；Anode casing 7 is connected by wastewater outlet pipe 6 with gas-liquid separator 18；
Anode casing 7 is connected with 1 cathode of power supply, and cathode shell 9 is connected with 1 anode of power supply.
Membrane 8 is permselectivity membrane, is specially cation-exchange membrane.
In the present invention, anode casing 7 is used as anode, and cathode shell 9 is used as cathode, and both are separated by one layer of membrane 8,
Anode casing 7, membrane 8 and 9 three of cathode shell are fixed together by insulated bolt 10, anode casing 7, membrane 8 and cathode
Shell 9, forms two independent cavitys, and anode casing 7 and membrane 8 form anode chamber, and cathode shell 9 and membrane 8 form the moon
Pole room, the waste water containing chlorion enter anode chamber, and softened water enters cathode chamber, and membrane 8 has selective permeability, and only
Cation can pass through membrane 8.Chlorion in waste water is ionized to chlorine on 7 surface of anode casing, after gas-liquid separator 18
It can be separated from waste water, play the purpose for separating chlorion from waste water.
The top of gas-liquid separator 18 sets air outlet pipe 20 to be connected with 21 lower part of reactor, and cathode shell 9 is gone out by electrolyte
Mouth pipe 11 is connected with 21 bottom of reactor.
21 top of reactor is connected by woven hose 22 with fluid reservoir 23.
Lower part sets aeration plate 17 in gas-liquid separator 18, and 18 bottom of gas-liquid separator is by being aerated delivery pipe 16 and aeration
Machine 15 connects.When system works, aerator 15 produces gas, enters in gas-liquid separator 18, passes through through being aerated delivery pipe 16
Aeration plate 17 divides air into microbubble, and the chlorine in waste water is blown out, and chlorine enters in reactor 22 through air outlet pipe 20.
18 top of gas-liquid separator sets outlet tube 19.
Anode casing 7 and cathode shell 9 surround closed area, and anode casing 7, membrane 8 and 9 both ends of cathode shell pass through
Insulating fixing piece connects, and insulating fixing piece can use insulated bolt 10.
The outside of anode casing 7 sets anode casing binding post 3, anode casing binding post 3 by power cord 2 and power supply 1 just
Pole connects.
The outside of cathode shell 9 sets cathode shell binding post 4, and cathode shell binding post 4 is negative by power cord 2 and power supply 1
Pole connects.
7 bottom of anode casing sets waste water inlet pipe 5 to be connected with storage of waste water tank 13, storage of waste water tank 13 and anode casing
Waste water metering pump 14 is set between 7.
9 bottom of cathode shell sets softened water inlet tube 12 to be connected with softening water store tank 24, softens 24 He of water store tank
Softened water metering pump 25 is set between cathode shell 9.
The course of work of apparatus of the present invention is：Exemplified by containing sodium chloride waste water, system work when, waste water metering pump 14 by
Waste water containing chlorion is driven into the cavity that anode casing 7 and membrane 8 formed by storage of waste water tank 13 through waste water inlet pipe 5
In, softened water metering pump 26 by the softened water inlet pipe 12 of softening water store tank 25 by softened water be driven into cathode shell 9 with every
In the cavity that film 8 is formed.Chlorion in waste water is electrolyzed to produce chlorine in the cavity that anode casing 7 and membrane 8 are formed, and softens
Water is ionized to hydroxide ion and hydrogen in the cavity that cathode shell 9 and membrane 8 are formed, and sodium ion is through membrane 8 in waste water
Enter in the cavity that cathode shell 9 is formed with membrane 8 and form sodium hydroxide solution with hydroxide ion.Waste water containing chlorine
Enter through wastewater outlet pipe 6 in gas-liquid separator 18, after entering gas-liquid separator 18 and separating, waste water is flowed out through outlet tube 19,
Chlorine enters in reactor 21 through air outlet pipe 20.Sodium hydroxide solution electrolyte outlet pipe 11 is entered in reactor 21, with chlorine
Gas reacts in reactor 21 produces liquor natrii hypochloritis, is entered through woven hose 22 in liquor natrii hypochloritis's storage tank 23.Such as
This reciprocation cycle.
In the typical embodiment of another kind of the application, there is provided a kind of work of high-concentration salt-containing wastewater removal device
Method, comprises the following steps：
Brine waste is passed through into the waste water free air space of ionizing feature, softened water is passed through into softened water free air space；
Chlorion is ionized to chlorine on anode casing surface in waste water, and softened water is ionized to hydrogen on cathode shell surface
Oxygen radical ion and hydrogen；
Sodium ion enters softened water free air space through membrane in waste water and hydroxide ion combines to form sodium hydroxide solution；
Waste water containing chlorine goes out chlorine through gas-liquid separator separates and reacts with sodium hydroxide solution in reactor, is formed secondary
Sodium chlorate solution.
The foregoing is merely the preferred embodiment of the application, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of high-concentration salt-containing wastewater removal device, it is characterized in that, including ionizing feature, the ionizing feature including setting relatively
The anode casing and cathode shell put, set membrane, between membrane and anode casing between the anode casing and cathode shell
Waste water free air space is formed, softened water free air space is formed between membrane and cathode shell；The anode casing is gone out by waste water
Mouth pipe is connected with gas-liquid separator；
The anode casing is connected with positive pole, and the cathode shell is connected with power cathode.
2. removal device as claimed in claim 1, it is characterized in that, the membrane is permselectivity membrane.
3. removal device as claimed in claim 1, it is characterized in that, air outlet pipe and reactor are set at the top of the gas-liquid separator
Lower part connects, and the cathode shell is connected by electrolyte outlet pipe with reactor bottom.
4. removal device as claimed in claim 3, it is characterized in that, the reactor top is connected by woven hose and fluid reservoir
It is logical.
5. removal device as claimed in claim 1, it is characterized in that, lower part sets aeration plate in the gas-liquid separator, described
Gas-liquid separator bottom is connected by being aerated delivery pipe with aerator；The gas-liquid separator top sets outlet tube.
6. removal device as claimed in claim 1, it is characterized in that, the anode casing and cathode shell surround closed area,
The anode casing, membrane and cathode shell both ends are connected by insulating fixing piece.
7. removal device as claimed in claim 1, it is characterized in that, binding post is set on the outside of the anode casing, and binding post leads to
Power cord is crossed to be connected with positive pole；Binding post is set on the outside of the cathode shell, and binding post passes through power cord and power cathode
Connection.
8. removal device as claimed in claim 1, it is characterized in that, the anode casing bottom sets waste water inlet pipe and waste water
Holding vessel connects, and waste water metering pump is set between storage of waste water tank and anode casing.
9. removal device as claimed in claim 1, it is characterized in that, the cathode shell bottom set softened water inlet tube with it is soft
Change water store tank connection, soften and softened water metering pump is set between water store tank and cathode shell.
10. such as method of work of claim 1-9 any one of them removal devices, it is characterized in that, comprise the following steps：
Brine waste is passed through into the waste water free air space of ionizing feature, softened water is passed through into softened water free air space；
Chlorion is ionized to chlorine on anode casing surface in waste water, and softened water is ionized to hydroxyl on cathode shell surface
Ion and hydrogen；
Sodium ion enters softened water free air space through membrane in waste water and hydroxide ion combines to form sodium hydroxide solution；
Waste water containing chlorine goes out chlorine through gas-liquid separator separates and reacts with sodium hydroxide solution in reactor, forms hypochlorous acid
Sodium solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185339.3A CN107915285A (en) | 2017-11-23 | 2017-11-23 | A kind of high-concentration salt-containing wastewater removal device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711185339.3A CN107915285A (en) | 2017-11-23 | 2017-11-23 | A kind of high-concentration salt-containing wastewater removal device and method |
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| CN107915285A true CN107915285A (en) | 2018-04-17 |
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| CN201711185339.3A Pending CN107915285A (en) | 2017-11-23 | 2017-11-23 | A kind of high-concentration salt-containing wastewater removal device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200615A (en) * | 2021-04-19 | 2021-08-03 | 中科合成油内蒙古有限公司 | Method and system for electrochemically reducing hardness of wastewater |
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| CN1041578A (en) * | 1988-03-24 | 1990-04-25 | 乌克兰水利工程师学院 | The electrolyzer that the decontaminating liquid medium is used |
| CN102465311A (en) * | 2010-11-19 | 2012-05-23 | 中国水利水电科学研究院 | Preparing system and method of sodium hypochlorite |
| CN203095682U (en) * | 2013-02-28 | 2013-07-31 | 湖州德翔环境科技有限公司 | Rolled electric demineralizer |
| CN106148998A (en) * | 2016-08-26 | 2016-11-23 | 江苏安凯特科技股份有限公司 | Abraum salt recycling recovery system |
| CN207551975U (en) * | 2017-11-23 | 2018-06-29 | 山东大学 | A kind of high-concentration salt-containing wastewater removal device |
-
2017
- 2017-11-23 CN CN201711185339.3A patent/CN107915285A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041578A (en) * | 1988-03-24 | 1990-04-25 | 乌克兰水利工程师学院 | The electrolyzer that the decontaminating liquid medium is used |
| CN102465311A (en) * | 2010-11-19 | 2012-05-23 | 中国水利水电科学研究院 | Preparing system and method of sodium hypochlorite |
| CN203095682U (en) * | 2013-02-28 | 2013-07-31 | 湖州德翔环境科技有限公司 | Rolled electric demineralizer |
| CN106148998A (en) * | 2016-08-26 | 2016-11-23 | 江苏安凯特科技股份有限公司 | Abraum salt recycling recovery system |
| CN207551975U (en) * | 2017-11-23 | 2018-06-29 | 山东大学 | A kind of high-concentration salt-containing wastewater removal device |
Non-Patent Citations (1)
| Title |
|---|
| 上海师范大学等编: "《中国科学技术文库（环境科学）》", 科学技术文献出版社, pages: 177 - 178 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200615A (en) * | 2021-04-19 | 2021-08-03 | 中科合成油内蒙古有限公司 | Method and system for electrochemically reducing hardness of wastewater |
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