CN220283744U - Container type full-automatic electrodialysis defluorination device - Google Patents
Container type full-automatic electrodialysis defluorination device Download PDFInfo
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- CN220283744U CN220283744U CN202320644252.2U CN202320644252U CN220283744U CN 220283744 U CN220283744 U CN 220283744U CN 202320644252 U CN202320644252 U CN 202320644252U CN 220283744 U CN220283744 U CN 220283744U
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- electrodialysis
- water
- membrane module
- container
- automatic
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- 238000000909 electrodialysis Methods 0.000 title claims abstract description 23
- 238000006115 defluorination reaction Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000012528 membrane Substances 0.000 claims abstract description 44
- 239000013505 freshwater Substances 0.000 claims abstract description 16
- 230000008676 import Effects 0.000 claims description 6
- 239000003011 anion exchange membrane Substances 0.000 claims description 3
- 238000005341 cation exchange Methods 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 abstract description 3
- 235000020188 drinking water Nutrition 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002384 drinking water standard Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model discloses a container type full-automatic electrodialysis defluorination device which comprises a container, and a membrane assembly, a rectifier and an automatic control system which are arranged in the container, wherein a fresh water inlet of the membrane assembly is connected with a water inlet pipe, a fresh water outlet of the membrane assembly is connected with a clean water tank through a water outlet pipe, and a concentrated water outlet of the membrane assembly is connected with a concentrated water tank through a concentrated water circulating pump and flows back to a concentrated water inlet of the membrane assembly. According to the utility model, all parts of electrodialysis are integrated into one movable container, so that the equipment is compact and attractive in structure, convenient to operate and greatly reduced in occupied area; the device is convenient to transport and assemble, is matched with a deep well pump of an agricultural drinking water plant, saves electricity consumption, and greatly improves equipment performance and working efficiency.
Description
Technical Field
The utility model relates to the technical field of membrane separation, in particular to a container type full-automatic electrodialysis defluorination device.
Background
Electrodialysis (ED) technology is taken as a novel green chemical technology, is generally regarded as a novel separation technology due to the unique advantages of high efficiency, practicability, no pollution, simple process and the like, and is an effective means for solving the important problems of energy, resources, environment and the like faced by modern people. Electrodialysis is driven by an externally applied direct current electric field, and anions and cations respectively move to an anode and a cathode by utilizing the selective permeability of an ion exchange membrane. Thereby realizing the purposes of solution desalination, concentration, refining or purification, etc. However, at present, an industrial device for electrodialysis consists of an electrodialysis membrane stack, a material liquid tank, a pump, a pipeline, a valve and the like, and the components are installed on site in a distributed manner, are loose in layout and complex in installation and debugging, occupy large space and are required to be installed indoors, cannot be integrally carried, and are huge in material waste.
At present, about 5000 tens of thousands people drink high-fluorine water (fluorine content is 1 mg/L), and the treatment of high-fluorine groundwater is still one of research hotspots at present.
The filtering material is regenerated by caustic soda frequently, and is in a manual operation mode, the operation process is complex, the workload is large, the regeneration of the primary filtering material takes about 24 hours, the time is too long, meanwhile, the reagent caustic soda is needed to be added, and most of regenerated wastewater is directly discharged into a drainage ditch nearby a water plant without treatment, thus being easy to pollute the environment and groundwater quality. Meanwhile, the filtering material defluorination equipment has the problems of large occupied area, short service life of the filtering material and the like.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a container type full-automatic electrodialysis defluorination device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a full-automatic electrodialysis defluorination device of container formula, includes the container and installs at inside membrane module, rectifier and the autonomous system of container, membrane module's fresh water import links to each other with the inlet tube, and membrane module's fresh water export links to each other with the clean water basin through the outlet pipe, and membrane module's dense water export passes through dense water circulating pump and connects dense water jar to the dense water import of backward flow to membrane module, and membrane module's fresh water export passes through utmost point water circulating pump and connects utmost point water jar to the fresh water import of backward flow to membrane module.
Preferably, a precision filter is mounted on the water inlet pipe.
Preferably, the membrane module is an electrodialysis membrane module.
Preferably, anion exchange membranes and cation exchange membranes are interchangeably mounted within the membrane module.
Preferably, the concentrated water circulating pump and the polar water circulating pump are horizontal centrifugal pumps or magnetic pumps.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, all parts of electrodialysis are integrated into one movable container, so that the equipment is compact and attractive in structure, convenient to operate and greatly reduced in occupied area; the device is convenient to transport and assemble, is matched with a deep well pump of an agricultural drinking water plant, saves electricity consumption, and greatly improves equipment performance and working efficiency.
Drawings
In order to more particularly and intuitively illustrate an embodiment of the present utility model or a technical solution in the prior art, a brief description of the drawings is provided below, which are required to be used in the description of the embodiment or the prior art.
FIG. 1 is a schematic diagram of a structure according to the present utility model;
FIG. 2 is a graph showing the effect of fluoride removal in the present utility model;
FIG. 3 is a graph of the energy consumption of the agricultural drinking water treatment operation of the present utility model.
In the figure: the device comprises a container 1, a precision filter 2, a concentrated water tank 3, a polar water tank 4, a membrane component 5, a concentrated water circulating pump 6, a polar water circulating pump 7, a rectifier 8, an automatic control system 9, a water outlet pipe 10 and a water inlet pipe 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a container type full-automatic electrodialysis defluorination device comprises a container 1, a membrane assembly 5, a rectifier 8 and an automatic control system 9, wherein the membrane assembly 5, the rectifier 8 and the membrane assembly 5 are arranged in the container 1, the automatic control system 9 is used for supplying power to the electrodialysis membrane assembly, the automatic control system 9 is used for controlling the start and stop of the whole equipment, a fresh water inlet of the membrane assembly 5 is connected with a water inlet pipe 11, a fresh water outlet of the membrane assembly 5 is connected with a clean water tank through a water outlet pipe 10, a concentrated water outlet of the membrane assembly 5 is connected with the concentrated water tank 3 through a concentrated water circulating pump 6 and flows back to a concentrated water inlet of the membrane assembly 5, and a fresh water outlet of the membrane assembly 5 is connected with a pole water tank 4 through a pole water circulating pump 7 and flows back to a fresh water inlet of the membrane assembly 5.
When in use, groundwater is firstly placed in the concentrated water tank 3, and a low-concentration sodium sulfate solution is placed in the polar water tank 4. When the fresh water inflow flowmeter has flow, the automatic control system 9 automatically senses, starts the concentrated water circulating pump 6 and the polar water circulating pump 7, simultaneously automatically adjusts the concentrated water circulating pump 6 and the polar water circulating pump 7 through the frequency converter to enable the flow to be matched with the fresh water inflow flow, and then starts the switch of the rectifier 8 to start working. In the working process, the data of conductivity, fluoride content, temperature, flow, current, voltage and the like of the water quality are automatically detected and recorded. Meanwhile, the system automatically analyzes according to fluoride content data of inflow water and produced water, and adjusts current and voltage of the rectifier 8 to ensure that the fluoride content of the produced water reaches the standard.
In this embodiment, the water inlet pipe 11 is provided with a fine filter 2 for filtration.
In this embodiment, the membrane module 5 is an electrodialysis membrane module, and an anion exchange membrane and a cation exchange membrane are alternatively installed in the membrane module 5, and the concentrate circulating pump 6 and the polar water circulating pump 7 are horizontal centrifugal pumps or magnetic pumps.
From the test data of fig. 2 and 3, it can be seen that the container type electrodialysis device can successfully reduce the underground water with fluoride content of 1.6mg/L to 0.6mg/L, thereby reaching the national agricultural drinking water standard, and simultaneously, the running energy consumption is lower than 0.22 yuan/ton of water. Because of the advantages of compact structure, flexible movement, small occupied area, convenient installation, simple process, high energy efficiency, convenient cleaning and the like, the device can be widely applied to underground water treatment with exceeding fluoride standard.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a full-automatic electrodialysis defluorination device of container formula, includes container (1) and installs at inside membrane module (5), rectifier (8) and autonomous system (9) of container (1), its characterized in that, the fresh water import of membrane module (5) links to each other with inlet tube (11), and the fresh water export of membrane module (5) links to each other with the clean water basin through outlet pipe (10), and the dense water export of membrane module (5) is passed through dense water circulating pump (6) and is connected dense water tank (3) to the dense water import of backward flow to membrane module (5), and the fresh water export of membrane module (5) is passed through utmost point water circulating pump (7) and is connected utmost point water tank (4), and the fresh water import of backward flow to membrane module (5).
2. The container type full-automatic electrodialysis defluorination device according to claim 1, wherein the water inlet pipe (11) is provided with a precision filter (2).
3. A full-automatic electrodialysis defluorination device of container type according to claim 2, wherein the membrane module (5) is an electrodialysis membrane module.
4. A full-automatic electrodialysis defluorination device of container type according to claim 3, wherein the anion exchange membrane and the cation exchange membrane are installed in the membrane assembly (5) in a replaceable manner.
5. The container type full-automatic electrodialysis defluorination device according to claim 4, wherein the concentrated water circulating pump (6) and the polar water circulating pump (7) are horizontal centrifugal pumps or magnetic pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320644252.2U CN220283744U (en) | 2023-03-28 | 2023-03-28 | Container type full-automatic electrodialysis defluorination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320644252.2U CN220283744U (en) | 2023-03-28 | 2023-03-28 | Container type full-automatic electrodialysis defluorination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220283744U true CN220283744U (en) | 2024-01-02 |
Family
ID=89330471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320644252.2U Active CN220283744U (en) | 2023-03-28 | 2023-03-28 | Container type full-automatic electrodialysis defluorination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220283744U (en) |
-
2023
- 2023-03-28 CN CN202320644252.2U patent/CN220283744U/en active Active
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