CN108079790A - A kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment - Google Patents
A kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment Download PDFInfo
- Publication number
- CN108079790A CN108079790A CN201711420250.0A CN201711420250A CN108079790A CN 108079790 A CN108079790 A CN 108079790A CN 201711420250 A CN201711420250 A CN 201711420250A CN 108079790 A CN108079790 A CN 108079790A
- Authority
- CN
- China
- Prior art keywords
- water
- reverse osmosis
- film
- preposition pretreatment
- disc
- 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
Links
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 29
- 230000014759 maintenance of location Effects 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of disc tube reverse osmosis (dt-ro) film integrated film separators of preposition pretreatment.It is primarily characterized in that：Device is divided into the by-pass filtration stage based on preposition pretreatment gradual change filtering material and the secondary filtration stage based on disc tube reverse osmosis (dt-ro) film bag；Center pull rod is upper and lower two sections of intermediate closure, and upper and lower two sections do not connect mutually；The preposition pretreatment gradual change filtering material in by-pass filtration stage is gradual change filtering material of the retention aperture from 1 micron to 10 nanometers along water (flow) direction, it is gradually reduced along the spacing between the two neighboring flow guiding disc of water (flow) direction, to the last the distance between two flow guiding discs are equal with the distance per two neighboring flow guiding disc of secondary filtration section.The present invention can be realized using preposition pretreatment gradual change filtering material and double-filtration reduces film surface pollution and scale formation, increases the water flux of film, extends the service life of film, effluent quality is more preferably, operation and maintenance cost are reduced, integrated design floor space is small, and movement is more convenient.
Description
Technical field
The invention belongs to water-treatment technology field, the disc tube reverse osmosis (dt-ro) film integration of more particularly to a kind of preposition pretreatment
Membrane separation device.
Background technology
Disc tube reverse osmosis (dt-ro) membrane technology is emerging a kind of efficient membrane separation technique at home in recent years, with domestic technique
Continuous breakthrough, which has been widely used in leachate processing, municipal wastewater advanced treating, new unboiled water reuse, power plant
Other Treatment of Industrial Water fields such as desulfurization wastewater zero-emission, water process with high salt, sea water desalination.Disc tube reverse osmosis (dt-ro) membrane module uses
Open by design, in component per two neighboring flow guiding disc between distance be 6 mm, the design of this uniqueness can remove in sewage compared with
High COD and ammonia nitrogen.However the retention aperture of reverse osmosis membrane is 0.0001 micron, the raw water of high COD and ammonia nitrogen be easy to cause dish
Tubular type reverse osmosis membrane blockage of the micro orifice, and the cost of disc tube reverse osmosis (dt-ro) film is relatively high, after frequently replacement diaphragm adds
Phase maintenance cost, these problems drastically influence the service life and use cost of disc tube reverse osmosis (dt-ro) membrane module, restrict dish pipe
The promotion and application of formula reverse osmosis technology.
The content of the invention
The purpose of the present invention is being to overcome the shortage of prior art, a kind of disc tube reverse osmosis (dt-ro) film of preposition pretreatment is provided
The designing scheme of integrated film separator, this programme uses and the pretreatment filtration material of gradual change is added in the front end of device, former
Water can reduce the fouling and scaling phenomenon of disc tube reverse osmosis (dt-ro) film, increase the water flux of film, extend film by successively filtering
Service life, effluent quality more preferably, reduce operation and maintenance cost.
It is achieved particular by following technical scheme：
A kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment is drawn including pressure vessel, flange, center
Bar, flow guiding disc, reverse osmosis membrane bag, preposition pretreatment filtration material, connecting line and sealing ring, the pressure vessel connect with flange
It connecing, the center pull rod is upper and lower mutually disconnected two sections of compositions, and the flange is divided into upper flanges and lower end flanges, and
Upper flanges are equipped with inlet and outlet, and lower end flanges are equipped with inlet and outlet, and the reverse osmosis membrane bag is dish tubular type
Reverse osmosis membrane bag, the preposition pretreatment filtration material are gradual change filtering material.
The preposition pretreatment filtration material is filtered along water (flow) direction for gradual change of the retention aperture from 1 micron to 10 nanometers
Material, the shape of preposition pretreatment filtration material are identical with the shape of disc tube reverse osmosis (dt-ro) film bag.
The center pull rod is divided into upper and lower two sections, and centre is closure, and upper and lower two sections do not connect mutually, and epimere is level-one
Filtered water collection pipe, lower end are secondary filtration water collection pipe.
The by-pass filtration cycles raw water intakes from upper flanges water inlet, and primary concentration water is from upper hold-carrying after processing
Blue water outlet discharge, by-pass filtration water are discharged from upper end center pull rod, are transported to the water inlet of lower end flanges, level-one mistake by the road
Drainage enters secondary filtration Xun Huan, and after secondary filtration circular treatment, secondary concentration water is discharged from lower end flanges water outlet, and two
Grade crosses the water outlet discharge of drainage therefrom heart pull rod hypomere, and secondary filtration water enters pure water collection device.
The preposition pretreatment section is gradually reduced along the spacing between the two neighboring flow guiding disc of water (flow) direction, to the last
The distance between two flow guiding discs are equal with the distance per two neighboring flow guiding disc of secondary filtration section.
The advantages of the present invention are：
1. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment of the present invention, preposition pretreatment section
Addition, gradual change filtering material is gradually reduced the retention of former water pollutant from 1 micron to 10 nanometers, the pollutant in raw water
It is successively retained, the pollution of each layer gradual change filtering material can be reduced, extend the service life of pretreatment filtration material.
2. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment of the present invention, by locating in advance
The by-pass filtration water of reason phase process is transported to the secondary filtration stage, and the water inlet in secondary filtration stage is by pretreatment stage
Processing, the pollutant of macromolecule are reduced film surface pollution and scale formation, are extended the usage time of film bag by effectively catching,
Increase the water flux of film, effluent quality more preferably, reduces operating cost.
3. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment of the present invention, preposition pre- place
The material in reason stage is low compared to the acquisition cost of disc tube reverse osmosis (dt-ro) diaphragm, the design of the present apparatus can reduce operation and safeguard into
This.
4. the preposition pretreatment disc tube reverse osmosis (dt-ro) film integrated film separator of one kind of the present invention, preposition pretreatment
Stage and the integrated design of disc tube reverse osmosis (dt-ro) film can make occupation area of equipment small, conveniently moving.
Description of the drawings
Attached drawing 1 is the operation principle of the present invention and course of work schematic diagram.
Reference sign：1 is upper section central pull rod, and 2 be upper flanges, and 3 be upper flanges water inlet, and 4 be preposition pre-
Filtering material is handled, 5 be flow guiding disc, and 6 be disc tube reverse osmosis (dt-ro) film bag, and 7 be the water outlet of lower end flanges, and 8 draw for hypomere center
Bar water outlet, 9 be upper section central pull rod water outlet, and 10 be upper flanges water outlet, and 11 be connecting line, centered on 12 in pull rod
Between plugged zone, 13 be hypomere center pull rod, 14 be lower end flanges, 15 be lower end flanges water inlet, 16 be lower end flanges.
Specific embodiment
The present invention program is further elaborated with reference to embodiment.
A kind of structure of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment of the present invention is：
The disc tube reverse osmosis (dt-ro) film integrated film separator of a kind of preposition pretreatment, mainly including pressure vessel, flange, center
Pull rod, flow guiding disc, disc tube reverse osmosis (dt-ro) film bag, preposition pretreatment gradual change filtering material, connecting line and sealing ring.Upper portion
For the by-pass filtration stage, the lower section is the secondary filtration stage.Upper flanges 2, multiple flow guiding discs 5 and lower end flanges 15 are folded successively
It puts, and is fixed on center pull rod 1 within pressure vessel, the upper portion of device is packed into preposition pre- between each two flow guiding disc
Filtering material 4 is handled, the lower section is packed into disc tube reverse osmosis (dt-ro) film bag 6 between each two flow guiding disc, and sealing ring is located at water conservancy diversion
In the groove of disk two sides, for separating permeate and concentrate, preposition pretreatment gradual change filtering material and disc tube reverse osmosis (dt-ro) film bag
It is not in contact with each other between upper and lower flow guiding disc, forms liquid flow path.The distance between each two flow guiding disc of the lower section
Equal, upper portion is gradually reduced along the distance between water (flow) direction each two flow guiding disc, to the last two flow guiding discs away from
From equal with a distance from the lower section each two flow guiding disc.
A kind of disc tube reverse osmosis (dt-ro) film integrated film separator operation principle of preposition pretreatment of the present invention and work
Process is：For raw water out of upper flanges water inlet 3 inflow device, the passage between flow guiding disc and pressure vessel flows to epimere portion
The bottom divided, and preposition pretreatment gradual change filtering material is flowed quickly through, then 180 degree is reversed to preposition pretreatment gradual change filter material
The another side of material, then next flow guiding disc is flowed into from flow guiding disc, so as on the surface of preposition pretreatment gradual change filtering material
It is formed and circle center is arrived by flow guiding disc circumference, then to circumference, then to the route for justifying center, condensed water is from 10 row of upper flanges water outlet
Go out, by-pass filtration is completed；By-pass filtration water from center pull rod upper end water outlet 9 by pipeline 11 flow into the secondary filtration stage, one
Grade crosses water inlet 15 inflow device of the drainage from lower end flanges 16, and the passage between flow guiding disc and pressure vessel flows to hypomere portion
The top divided, and disc tube reverse osmosis (dt-ro) film bag is flowed quickly through, then 180 degree reverses the another side to film bag, then from flow guiding disc
Next flow guiding disc is flowed into, so as to be formed in film surface by flow guiding disc circumference to circle center, then to circumference, then arrives circle center
Route, condensed water are discharged from the water outlet 7 of lower end flanges, and secondary filtration pure water is discharged from the water outlet 8 of hypomere center pull rod 13,
Into pure water collection device.
Claims (5)
1. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment is drawn including pressure vessel, flange, center
Bar, flow guiding disc, reverse osmosis membrane bag, preposition pretreatment filtration material, connecting line and sealing ring, the pressure vessel connect with flange
It connecing, the center pull rod is upper and lower mutually disconnected two sections of compositions, and the flange is divided into upper flanges and lower end flanges, and
Upper flanges are equipped with inlet and outlet, and lower end flanges are equipped with inlet and outlet, and the reverse osmosis membrane bag is dish tubular type
Reverse osmosis membrane bag, the preposition pretreatment filtration material are gradual change filtering material.
2. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment described in claim 1, which is characterized in that
The preposition pretreatment filtration material is gradual change filtering material of the retention aperture from 1 micron to 10 nanometers along water (flow) direction, preceding
The shape for putting pretreatment filtration material is identical with the shape of disc tube reverse osmosis (dt-ro) film bag.
3. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment described in claim 1, which is characterized in that
The center pull rod is divided into upper and lower two sections, and centre is closure, and upper and lower two sections do not connect mutually, and epimere is received for by-pass filtration water
Collector, lower end are secondary filtration water collection pipe.
4. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment described in claim 1, which is characterized in that
The by-pass filtration cycles raw water intakes from upper flanges water inlet, and primary concentration water is from upper flanges water outlet after processing
Discharge, by-pass filtration water are discharged from upper end center pull rod, are transported to the water inlet of lower end flanges by the road, and by-pass filtration water enters
Secondary filtration cycles, and after secondary filtration circular treatment, secondary concentration water is discharged from lower end flanges water outlet, secondary filtration water
It is discharged from the water outlet of center pull rod hypomere, secondary filtration water enters pure water collection device.
5. a kind of disc tube reverse osmosis (dt-ro) film integrated film separator of the preposition pretreatment of claim 1 and 2, feature exist
In the preposition pretreatment section is gradually reduced along the spacing between the two neighboring flow guiding disc of water (flow) direction, to the last two
The distance between flow guiding disc is equal with the distance per two neighboring flow guiding disc of secondary filtration section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420250.0A CN108079790A (en) | 2017-12-25 | 2017-12-25 | A kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420250.0A CN108079790A (en) | 2017-12-25 | 2017-12-25 | A kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment |
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| Publication Number | Publication Date |
|---|---|
| CN108079790A true CN108079790A (en) | 2018-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711420250.0A Pending CN108079790A (en) | 2017-12-25 | 2017-12-25 | A kind of disc tube reverse osmosis (dt-ro) film integrated film separator of preposition pretreatment |
Country Status (1)
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| CN (1) | CN108079790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639369A (en) * | 2019-09-26 | 2020-01-03 | 科诺思膜技术(厦门)有限公司 | Dish tubular reverse osmosis subassembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206428084U (en) * | 2017-01-11 | 2017-08-22 | 苏圣科技（无锡）有限公司 | A kind of garbage leachate treatment device |
-
2017
- 2017-12-25 CN CN201711420250.0A patent/CN108079790A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206428084U (en) * | 2017-01-11 | 2017-08-22 | 苏圣科技（无锡）有限公司 | A kind of garbage leachate treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 王湛主编, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110639369A (en) * | 2019-09-26 | 2020-01-03 | 科诺思膜技术(厦门)有限公司 | Dish tubular reverse osmosis subassembly |
| CN110639369B (en) * | 2019-09-26 | 2021-02-05 | 科诺思膜技术(厦门)有限公司 | Dish tubular reverse osmosis subassembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 300382 building 4, Hai Lan De mansion 35, Xuefu Industrial Zone, Xiqing District, Tianjin. Applicant after: TIANJIN TIANGONG NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 300382 building 4, Hai Lan De mansion 35, Xuefu Industrial Zone, Xiqing District, Tianjin. Applicant before: Technology University (Tianjin) New Material Technology Co.,Ltd. Address after: 300382 building 4, Hai Lan De mansion 35, Xuefu Industrial Zone, Xiqing District, Tianjin. Applicant after: Technology University (Tianjin) New Material Technology Co.,Ltd. Address before: 300382 building 4, Hai Lan De mansion 35, Xuefu Industrial Zone, Xiqing District, Tianjin. Applicant before: TIANJIN LONGYUAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 300382 building 4, Hai Lan De mansion 35, Xuefu Industrial Zone, Xiqing District, Tianjin. Applicant after: Tianjin Tianyuan New Material Technology Co.,Ltd. Address before: 300382 building 4, Hai Lan De mansion 35, Xuefu Industrial Zone, Xiqing District, Tianjin. Applicant before: TIANJIN TIANGONG NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180529 |