CN107935217A - A kind of waterborne radioactivity radium element removes system - Google Patents
A kind of waterborne radioactivity radium element removes system Download PDFInfo
- Publication number
- CN107935217A CN107935217A CN201711194656.1A CN201711194656A CN107935217A CN 107935217 A CN107935217 A CN 107935217A CN 201711194656 A CN201711194656 A CN 201711194656A CN 107935217 A CN107935217 A CN 107935217A
- Authority
- CN
- China
- Prior art keywords
- pond
- ceramic membrane
- radium
- water
- stirred
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
- B01D71/025—Aluminium oxide
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/18—Use of gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/006—Radioactive compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a kind of waterborne radioactivity radium element to remove system, automatic feeding unit is connected with being stirred the feeding port in pond, radium-bearing underground tank is connected by pipeline with being stirred the water inlet in pond, overflow port is equipped with the above-mentioned pond body wall for being stirred pond, pond is stirred to be connected with ceramic membrane filter device by overflow port, nanoscale hydrated manganese oxide is added to the water by system by automatic adding device, coordinate ceramic membrane, one layer of cake layer can be formed in ceramic membrane surface, the cake layer can effectively adsorb the radium in water, absorption interception rate to radium is more than 97%, after transmembrane pressure reaches setting value, aeration backwash is carried out to cake layer to collect, radium-bearing waste water is focused on again.
Description
Technical field
The present invention relates to the technical field of water treatment system, especially a kind of waterborne radioactivity radium element removes system, special
It is not related to its system connection structure.
Background technology
Many regional drinking water sources are underground water in the world, the naturally radioactive member containing high concentration in the water of some areas
Element, conventional processing is co-precipitated flocculation sediment using after aeration using barium sulfate, then is filtered by sand filter.
The prior art goes the radium in water removal, the meeting in sand filtering ponds of radioactivity radium element using barium sulfate co-precipitation plus sand filtration
Build up, filtrate must be replaced completely in sand filter after a certain period of time, and radwaste needs to carry out specially treated.Sand filter
Wall contains noxious material（Barium chloride, barium sulfate etc.）And radioactive substance, manually cleaning can cause staff irreversible
Health hazards.And barium chloride is a kind of poisonous salt, the barium chloride concentration in water can be increased, dosage slightly mistake will
Threaten the safety of drinking person.
The content of the invention
It is an object of the invention to provide a kind of waterborne radioactivity radium element to remove system.Matched somebody with somebody using hydrated manganese oxide absorption
Flat ceramic membrane filtration system is closed, overcomes shortcoming and defect existing in the prior art.
To achieve these goals, the technical scheme is that：A kind of waterborne radioactivity radium element removes system, described
System includes automatic feeding unit, radium-bearing underground tank, is stirred pond, ceramic membrane filter device, the automatic feeding unit
It is connected with the feeding port for being stirred pond, radium-bearing underground tank is connected by pipeline with being stirred the water inlet in pond, above-mentioned to stir
Mix and overflow port is equipped with the pond body wall of mixing pit, be stirred pond and be connected by overflow port with ceramic membrane filter device, ceramic membrane
The water outlet of filtration apparatus is connected by the first pipeline with the water inlet of filtering production water pump, and the water outlet of filter production water pump passes through second
Pipeline with produce pond water inlet be connected, one end of counter-flushing pipeline be connected with the second pipeline, the other end and backwash produce water
The water outlet in pond connects, and backwashing pump is provided with counter-flushing pipeline, one group of aeration head, the group are equipped with ceramic membrane filter device
Aeration head is connected by the exhaust outlet of aerating pipelines and Aeration fan, and the bottom of ceramic membrane filter device is equipped with waste outlet,
Waste outlet is connected by the water inlet of wastewater drainage pipe and wastewater disposal basin.
The invention discloses a kind of waterborne radioactivity radium element to remove system, and system is by automatic adding device by nanoscale
Hydrated manganese oxide is added to the water, and coordinates ceramic membrane, can form one layer of cake layer in ceramic membrane surface, which can be with
Radium in effective absorption water, the absorption interception rate to radium is more than 97%, after transmembrane pressure reaches setting value, to cake layer
Carry out aeration backwash to collect, radium-bearing waste water is focused on again.
Brief description of the drawings
Fig. 1 is present system schematic diagram.
Wherein：
1st, automatic feeding unit；
2nd, radium-bearing underground tank；
3rd, it is stirred pond；
4th, overflow port；
5th, ceramic membrane filter device；
6th, filter production water pump；
7th, pond is produced；
8th, counter-flushing pipeline；
9th, the first pipeline；
10th, the second pipeline；
11st, backwash production pond；
12nd, backwashing pump；
13rd, aeration head；
14th, aerating pipelines；
15th, Aeration fan；
16th, waste outlet；
17th, waste outlet；
18th, wastewater disposal basin；
19th, agitator arm；
20th, motor；
21st, the first shut-off valve；
22nd, the second shut-off valve；
23rd, the 3rd shut-off valve；
24th, first check-valve；
25th, the 4th shut-off valve.
Embodiment
With reference to the accompanying drawings, the present invention is further described below.
The invention discloses a kind of waterborne radioactivity radium element to remove system, it is different from the prior art and is：The system
System includes automatic feeding unit 1, radium-bearing underground tank 2, is stirred pond 3, ceramic membrane filter device 4, the automatic feeding list
Member 1 is connected with being stirred the feeding port in pond 3, and radium-bearing underground tank 2 is connected by pipeline with being stirred the water inlet in pond 3,
Overflow port 4 is equipped with the above-mentioned pond body wall for being stirred pond 3, pond 3 is stirred and passes through overflow port 4 and ceramic membrane filter device 5
Connection, the water outlet of ceramic membrane filter device 5 are connected by the first pipeline 9 with the water inlet of filtering production water pump 6, filter production water pump 6
Water outlet by the second pipeline 10 with produce pond 7 water inlet be connected, one end of counter-flushing pipeline 8 connects with the second pipeline 10
Connect, the other end with backwash production pond 11 water outlet be connected, backwashing pump 12, ceramic membrane are provided with counter-flushing pipeline 8
One group of aeration head 13 is equipped with filtration apparatus 5, this group of aeration head 13 is connected by the exhaust outlet of aerating pipelines 14 and Aeration fan 15
Connect, the bottom of ceramic membrane filter device 5 is equipped with waste outlet 16, and waste outlet 16 passes through wastewater drainage pipe 17 and wastewater disposal basin
18 water inlet connection.
In the specific implementation, described be stirred in pond 3 is equipped with agitator arm 19, and agitator arm 19 has motor 20 to drive.
In the specific implementation, the first shut-off valve 21 is equipped with the first pipeline, is equipped with the second shut-off valve 22 at the second pipeline, instead
The 3rd shut-off valve 23 and first check-valve 24 are equipped with flushing line successively, first check-valve 24 is set close to backwashing pump, instead
Pipeline between flushing pump and backwash production pond is equipped with the 4th shut-off valve 25.
In the specific implementation, ceramic membrane is equipped with the ceramic membrane filter device 5, which is inoranic membrane
Material.Inoranic membrane is with alundum (Al2O3)（Al2O3）The anisotropic membrane for preparing and being formed through high-sintering process, membrane aperture specification
Series is from 50nm ~ 200nm, and the filtering stable effluent quality of film, membrane body high mechanical strength, has anti-adhesion properties, by automatic
Nanoscale hydrated manganese oxide is added to the water by throwing device, by the negative-pressure ward of water pump, can form one in ceramic membrane surface
Layer cake layer, the cake layer can effectively adsorb the radium in water, and the absorption interception rate to radium works as transmembrane pressure more than 97%
After reaching setting value, aeration backwash is carried out to cake layer and is collected, radium-bearing waste water is focused on again.
In the specific implementation, radium-bearing underground water enters in ceramic membrane filter device, the meter level hydration of inlet pipeline upslide Ghana
Manganese oxide, by the negative-pressure ward of filtering production water pump, the radium in water is attracted to the hydrated manganese oxide cake layer of film surface formation
On, after transmembrane pressure reaches setting value, backwash is carried out by Aeration fan and backwash water pump joint and recovers membrane flux, after backwash
High concentration radium-bearing waste water carry out centralized collection processing again.
Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to is assert
Present invention specific implementation is confined to these above-mentioned explanations.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, some simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (3)
1. a kind of waterborne radioactivity radium element removes system, it is characterised in that：The system comprises automatic feeding unit（1）, contain
Radium underground tank（2）, be stirred pond（3）, ceramic membrane filter device（4）, the automatic feeding unit（1）With being stirred pond
（3）Feeding port connection, radium-bearing underground tank（2）By pipeline and it is stirred pond（3）Water inlet connection, above-mentioned stirring mixes
Close pond（3）Pond body wall at be equipped with overflow port（4）, it is stirred pond（3）Pass through overflow port（4）With ceramic membrane filter device（5）
Connection, ceramic membrane filter device（5）Water outlet pass through the first pipeline（9）Water pump is produced with filtering（6）Water inlet connection, filter production
Water pump（6）Water outlet pass through the second pipeline（10）With producing pond（7）Water inlet connection, counter-flushing pipeline（8）One end with
Second pipeline（10）Connection, counter-flushing pipeline（8）The other end with backwash production pond（11）Water outlet connection, backwash tube
Road（8）On be provided with backwashing pump (12), ceramic membrane filter device（5）Inside it is equipped with one group of aeration head（13）, this group of aeration head
（13）Pass through aerating pipelines（14）With Aeration fan（15）Exhaust outlet connection, ceramic membrane filter device（5）Bottom be equipped with it is useless
Water discharge outlet（16）, waste outlet（16）Pass through wastewater drainage pipe（17）With wastewater disposal basin（18）Water inlet connection.
2. a kind of waterborne radioactivity radium element removes system according to claim 1, it is characterised in that：It is described to be stirred pond
（3）It is interior to be equipped with agitator arm（19）, agitator arm（19）There is motor（20）Driving.
3. a kind of waterborne radioactivity radium element removes system according to claim 1, it is characterised in that：The ceramic membrane filter
Device（5）Interior to be equipped with ceramic membrane, which is inorganic membrane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194656.1A CN107935217A (en) | 2017-11-24 | 2017-11-24 | A kind of waterborne radioactivity radium element removes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194656.1A CN107935217A (en) | 2017-11-24 | 2017-11-24 | A kind of waterborne radioactivity radium element removes system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107935217A true CN107935217A (en) | 2018-04-20 |
Family
ID=61948773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711194656.1A Pending CN107935217A (en) | 2017-11-24 | 2017-11-24 | A kind of waterborne radioactivity radium element removes system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107935217A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002545A (en) * | 2019-05-22 | 2019-07-12 | 深圳中清环境科技有限公司 | A kind of dynamic membrane reactor and preparation method thereof for removing fluor in water |
| CN111777172A (en) * | 2020-07-17 | 2020-10-16 | 杭州易膜环保科技有限公司 | Low-energy-consumption MBR (membrane bioreactor) operation method for dynamically controlling thickness of filter cake layer on membrane surface |
| EP3944867A1 (en) | 2020-07-31 | 2022-02-02 | CUP Laboratorien Dr. Freitag GmbH | System and method for testing the sterility of radioactive materials |
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2017
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002545A (en) * | 2019-05-22 | 2019-07-12 | 深圳中清环境科技有限公司 | A kind of dynamic membrane reactor and preparation method thereof for removing fluor in water |
| CN111777172A (en) * | 2020-07-17 | 2020-10-16 | 杭州易膜环保科技有限公司 | Low-energy-consumption MBR (membrane bioreactor) operation method for dynamically controlling thickness of filter cake layer on membrane surface |
| EP3944867A1 (en) | 2020-07-31 | 2022-02-02 | CUP Laboratorien Dr. Freitag GmbH | System and method for testing the sterility of radioactive materials |
| WO2022023393A1 (en) | 2020-07-31 | 2022-02-03 | Cup Laboratorien Dr. Freitag Gmbh | System and method for sterility testing of radioactive materials |
| US11844873B2 (en) | 2020-07-31 | 2023-12-19 | Cup Laboratorien Dr. Freitag Gmbh | System and method for sterility testing of radioactive materials |
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