CN212127829U - Reverse osmosis concentrate electrolytic recovery device - Google Patents
Reverse osmosis concentrate electrolytic recovery device Download PDFInfo
- Publication number
- CN212127829U CN212127829U CN201922293435.0U CN201922293435U CN212127829U CN 212127829 U CN212127829 U CN 212127829U CN 201922293435 U CN201922293435 U CN 201922293435U CN 212127829 U CN212127829 U CN 212127829U
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- Prior art keywords
- reverse osmosis
- electrode
- plate
- tank
- electrode plate
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- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 54
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 239000012141 concentrate Substances 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 5
- 230000015271 coagulation Effects 0.000 claims description 14
- 238000005345 coagulation Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000013505 freshwater Substances 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005363 electrowinning Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 239000012528 membrane Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000008394 flocculating agent Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000002063 effect on algae Effects 0.000 description 1
- 230000002289 effect on microbe Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 heavy metals) Chemical class 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002366 mineral element Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model provides a reverse osmosis concentrated solution electrolytic recovery device relating to the field of circulating water treatment, which comprises a water storage tank, a filtering device, a reverse osmosis device, an electrolysis device and a water return tank which are connected in sequence through pipelines; the utility model combines the reverse osmosis device and the electrolysis device together, and fully purifies the concentrated solution through the circulating reverse osmosis-electrolysis process, thereby greatly improving the recovery rate of the reverse osmosis device and saving the water resource.
Description
Technical Field
The utility model belongs to the technical field of the circulating water treatment and specifically relates to a reverse osmosis concentrate electrolytic recovery device.
Background
At present, the waste water with small flow, high turbidity and high suspended matter produced in the production process of enterprises is treated by using a continuous treatment process and complete equipment, wherein the continuous treatment process and the complete equipment comprise a plurality of monomer equipment such as coagulation equipment, reaction equipment, precipitation equipment, filtering equipment, adsorption equipment, a lifting pump, an intermediate water pump, a cleaning water pump and the like, and the motor water pump is high in operation energy consumption and difficult to maintain. The current situation needs to be solved by wastewater treatment equipment aiming at wastewater with small flow, high turbidity and high suspended matter, which has a simple structure and high decontamination efficiency; the reverse osmosis water purifier has the advantages of safe effluent quality, capability of removing various harmful impurities in water, good effect on water supply emergencies, good effluent taste, capability of reducing the hardness of water, no scaling of a water boiling container and the like. In the fields of domestic water treatment, chemical engineering process, wastewater treatment and the like, the reverse osmosis membrane treatment device is widely applied. However, some existing reverse osmosis membrane water purifying devices in the market generally have the defects of insufficient stability, low salt rejection rate and the like.
Electrolysis is the process of passing an electric current through an electrolyte solution or a molten electrolyte, also known as an electrolyte, to cause redox reactions at the cathode and anode, and electrochemical cells can undergo electrolysis when a direct current voltage is applied. A process of synthesizing a high-purity substance from a chemical and treating the surface of the material by an electrochemical reaction occurring at the interface between an electrode as an electron conductor and an electrolyte as an ion conductor. When the power is on, cations in the electrolyte move to the cathode to absorb electrons, and reduction is carried out to generate new substances; the anions in the electrolyte move to the anode, releasing electrons, and oxidation occurs, and new species are also generated. The new electrolytic treatment technology enables the heavy metals in the wastewater to be recycled, and has very important significance for protecting the environment and improving the resource utilization rate. Therefore, it is necessary to develop a treatment apparatus that combines the advantages of reverse osmosis and electrolysis.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reverse osmosis concentrate electrolytic recovery device to solve the problem that current circulating water treatment device stability is not enough, the throughput is low.
The utility model discloses a realize like this: an electrolysis recovery device for reverse osmosis concentrated solution comprises a water storage tank, a filtering device, a reverse osmosis device, an electrolysis device and a water return tank which are sequentially connected through pipelines;
the filtering device is an adjusting coagulation tank, a dosing port is arranged above the adjusting coagulation tank, and a stirrer is arranged in the adjusting coagulation tank;
a booster pump is arranged on a pipeline communicated with the filtering device and the reverse osmosis device, a concentrated water outlet and a fresh water outlet are arranged at the bottom of the reverse osmosis device, the concentrated water outlet is communicated with the electrolysis device through a pipeline, and the fresh water outlet is communicated with the water return tank through a pipeline;
the electrolysis device comprises an electrolysis box, wherein electrode plates are arranged in the electrolysis box in pairs, each pair of electrode plates comprises a positive plate and a negative plate, the positive plate is electrically connected with the positive electrode of a power supply, the negative plate is electrically connected with the negative electrode of the power supply, and the plate bodies of the electrode plates are in a porous net shape; the electrolysis tank is internally provided with a filter plate, a plate electrode mounting area is arranged above the filter plate, a water collecting area is arranged below the filter plate, a water outlet is arranged on the water collecting area, and the water outlet is communicated with the reverse osmosis device.
Preferably, the negative electrode plate is made of an iron plate.
Preferably, a high-pressure pump is provided on the pipeline between the water collection area and the reverse osmosis device.
Preferably, an electrode plate support is arranged in the electrolytic tank, and the electrode plate is mounted on the electrode plate support.
Preferably, the electrode plate support is in a rectangular groove shape with an opening, the opening of the electrode plate support faces upwards, the lower end of the electrode plate support extends into the electrolytic tank, the upper end of the electrode plate support protrudes out of the electrolytic tank, and the electrode plate can be inserted into the electrode plate support through the opening.
Preferably, the electrode plate bracket is hermetically connected with the box body of the electrolytic box.
Preferably, a sealing cover is provided at an upper end of the electrode plate holder.
By adopting the technical scheme, the utility model discloses combine reverse osmosis unit and electrolytic device together, through the reverse osmosis-electrolysis process of circulation, carry out abundant purification to the concentrate, improved reverse osmosis unit's rate of recovery greatly, practiced thrift the water resource.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the electrode plate holder of the present invention.
In the figure: 1-water storage tank, 2-adjusting coagulation tank, 3-dosing port, 4-stirrer, 5-booster pump, 6-reverse osmosis device, 7-electrolytic tank, 8-electrode plate, 9-filter plate, 10-electrode plate mounting area, 11-water collecting area, 12-water return tank, 13-high pressure pump, and 14-electrode plate support.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a reverse osmosis concentrated solution electrolytic recovery device, which comprises a water storage tank 1, a filtering device, a reverse osmosis device, an electrolysis device and a water return tank which are connected in sequence through pipelines.
Wherein, filter equipment is adjusting coagulation basin 2, is provided with medicine mouth 3 in adjusting coagulation basin 2's top, is provided with agitator 4 in adjusting coagulation basin. Add medicine mouth department and can throw in flocculating agent and PH regulator, the flocculating agent combines with the material in the concentrate, makes and condenses into large granule impurity, is provided with the filter plate in the delivery port department of adjusting coagulation pond 2, and large granule flocculation particle is held back in the filter plate, prevents further flow. The PH regulator is used for regulating the PH value in the coagulation basin. The stirrer 4 is connected with a motor, and the stirrer continuously stirs the concentrated solution in the adjusting coagulation basin to accelerate flocculation.
The utility model discloses be provided with booster pump 5 on the pipeline of 6 intercommunications of filter equipment and reverse osmosis unit, promote rivers to flow from filter equipment to reverse osmosis unit. The reverse osmosis device is internally provided with a reverse osmosis membrane, and the working principle of the reverse osmosis device is that certain pressure is applied to water, so that water molecules and mineral elements in ionic state pass through the reverse osmosis membrane, and most of inorganic salts (including heavy metals), organic matters, bacteria, viruses and the like dissolved in the water cannot permeate through the reverse osmosis membrane, thereby strictly separating the permeated pure water from the non-permeated concentrated water. The water passing through the reverse osmosis membrane contains a small amount of inorganic salt, and forms reusable fresh water. One side of water which does not pass through the reverse osmosis membrane contains a large amount of inorganic salt, heavy metal, organic matters and the like to form concentrated water, and the concentrated water needs to be further treated to reach the discharge standard. The utility model discloses be provided with dense water delivery port and fresh water delivery port in reverse osmosis unit 6's bottom, dense water delivery port passes through the pipeline and communicates with electrolytic device, and the fresh water delivery port passes through the pipeline and communicates with return water tank 12.
The utility model discloses an electrolytic device includes electrolysis box 7, sets up in electrolysis box 7 and is provided with plate electrode 8 in pairs, and every pair plate electrode includes a positive plate and a negative plate, and the positive plate is connected with the anodal electricity of power, and the negative plate is connected with the negative pole electricity of power, and plate electrode 8's plate body is porous netted, and wherein, the negative plate is made by iron plate. The concentrated water filtered from the reverse osmosis device enters an electrolytic tank 7 connected with the reverse osmosis device through a pipeline, Fe ions can be dissolved out through electrolysis of a negative plate, OH-ions are dissolved out through electrolysis of a positive plate, OH-and Fe are ionized to synthesize a flocculating agent, suspended matters in water are flocculated into floccules, and calcium, magnesium and other ions are adsorbed on the positive plate after being scaled. In the process, the concentrated water discharged by the reverse osmosis device is filtered again, and OH-ions are electrolyzed by the electrolytic tank, so that the treated water becomes alkalescent, and the alkalescent water quality is beneficial to human health and is suitable for drinking; and the micro-electrolysis can also generate bactericidal substances with extremely strong oxidizing power such as active oxygen, has good removal effect on microorganisms or algae possibly existing in the water and can provide healthy drinking water.
A filter plate 9 is arranged in the electrolytic tank 7, an electrode plate mounting area 10 is arranged above the filter plate 9, a water collecting area 11 is arranged below the filter plate, and a water outlet is arranged on the water collecting area 11 and is communicated with the reverse osmosis device 6. A high-pressure pump 13 is arranged on the line between the water collection area 11 and the reverse osmosis device 6. And returning the electrolyzed raw water to the reverse osmosis device, and performing reverse osmosis again until the electrolyzed raw water reaches the discharge standard.
An electrode plate holder 14 is provided in the electrolytic tank 7, and the electrode plate 8 is mounted on the electrode plate holder 14. The electrode plate bracket 14 is in a rectangular groove shape with an opening, the opening of the electrode plate bracket 14 is upward, the lower end of the electrode plate bracket 14 extends into the electrolytic tank 7, the upper end of the electrode plate bracket 14 protrudes out of the electrolytic tank 7, and the electrode plate bracket is connected with the box body of the electrolytic tank in a sealing way. The electrode plate 8 can be inserted into the electrode plate holder 14 through the opening, and a sealing cover is provided at the upper end of the electrode plate holder. In the continuous electrolysis process, the negative plate can be gradually dissolved, so that the electrode plate bracket is arranged to supplement the electrode plates in the electrolytic tank. And under the power-off state, opening the sealing cover, inserting a new negative plate into the opening, and pushing downwards until the negative plate is pushed to the bottom to complete electrode plate supplement.
The utility model integrates reverse osmosis and electrolysis, greatly improves the reverse osmosis recovery rate and saves water resources.
Claims (7)
1. An electrolysis recovery device for reverse osmosis concentrated solution is characterized by comprising a water storage tank, a filtering device, a reverse osmosis device, an electrolysis device and a water return tank which are sequentially connected through pipelines;
the filtering device is an adjusting coagulation tank, a dosing port is arranged above the adjusting coagulation tank, and a stirrer is arranged in the adjusting coagulation tank;
a booster pump is arranged on a pipeline communicated with the filtering device and the reverse osmosis device, a concentrated water outlet and a fresh water outlet are arranged at the bottom of the reverse osmosis device, the concentrated water outlet is communicated with the electrolysis device through a pipeline, and the fresh water outlet is communicated with the water return tank through a pipeline;
the electrolysis device comprises an electrolysis box, wherein electrode plates are arranged in the electrolysis box in pairs, each pair of electrode plates comprises a positive plate and a negative plate, the positive plate is electrically connected with the positive electrode of a power supply, the negative plate is electrically connected with the negative electrode of the power supply, and the plate bodies of the electrode plates are in a porous net shape; the electrolysis tank is internally provided with a filter plate, a plate electrode mounting area is arranged above the filter plate, a water collecting area is arranged below the filter plate, a water outlet is arranged on the water collecting area, and the water outlet is communicated with the reverse osmosis device.
2. A reverse osmosis concentrate electrolyte recovery device according to claim 1, wherein the negative plate is made of iron plate.
3. An apparatus for electrowinning a reverse osmosis concentrate as claimed in claim 1 wherein a high pressure pump is provided in the conduit between the collection region and the reverse osmosis unit.
4. An apparatus for electrolytic recovery of a reverse osmosis concentrate as claimed in claim 1 wherein an electrode plate holder is provided within the electrolytic tank, the electrode plate being mounted on the electrode plate holder.
5. An apparatus for electrolytic recovery of a reverse osmosis concentrate according to claim 4, wherein the electrode plate holder has a rectangular groove shape having an opening, the opening of the electrode plate holder is upward, the lower end of the electrode plate holder protrudes into the electrolytic tank, the upper end of the electrode plate holder protrudes from the electrolytic tank, and the electrode plate can be inserted into the electrode plate holder through the opening.
6. An apparatus for electrolytic recovery of a reverse osmosis concentrate according to claim 4, wherein the electrode plate holder is sealingly connected to the housing of the electrolytic tank.
7. An apparatus for electrolytic recovery of a reverse osmosis concentrate as claimed in claim 4 wherein a sealing cap is provided at the upper end of the electrode plate holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293435.0U CN212127829U (en) | 2019-12-18 | 2019-12-18 | Reverse osmosis concentrate electrolytic recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922293435.0U CN212127829U (en) | 2019-12-18 | 2019-12-18 | Reverse osmosis concentrate electrolytic recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212127829U true CN212127829U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922293435.0U Expired - Fee Related CN212127829U (en) | 2019-12-18 | 2019-12-18 | Reverse osmosis concentrate electrolytic recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212127829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277659A (en) * | 2021-07-22 | 2021-08-20 | 南通固润环保科技有限公司 | Organochlorine waste water stage treatment and resource recovery system |
-
2019
- 2019-12-18 CN CN201922293435.0U patent/CN212127829U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113277659A (en) * | 2021-07-22 | 2021-08-20 | 南通固润环保科技有限公司 | Organochlorine waste water stage treatment and resource recovery system |
| CN113277659B (en) * | 2021-07-22 | 2021-09-17 | 南通固润环保科技有限公司 | Organochlorine waste water stage treatment and resource recovery system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 Termination date: 20211218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |