CN208603776U - A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator - Google Patents
A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator Download PDFInfo
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- CN208603776U CN208603776U CN201721834214.4U CN201721834214U CN208603776U CN 208603776 U CN208603776 U CN 208603776U CN 201721834214 U CN201721834214 U CN 201721834214U CN 208603776 U CN208603776 U CN 208603776U
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- reverse osmosis
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- disc
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Abstract
The utility model discloses a kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator, 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 intermediate upper and lower two sections blocked, the preposition pretreatment gradual change filtering material in by-pass filtration stage is the gradual change filtering material for retaining aperture from 1 micron to 10 nanometer along water (flow) direction, spacing between the two neighboring flow guiding disc of water (flow) direction is gradually reduced, and to the last the distance between two flow guiding discs and each adjacent two flow guiding disc of secondary filtration section are equidistant.The utility model effluent quality more preferably, reduces operation and maintenance cost, and integrated design occupied area is small, and movement is more convenient；It is also easy to clean the incrustation on diaphragm when cleaning, adapts to worse flow condition.
Description
Technical field
The utility model belongs to water-treatment technology field, in particular to a kind of preposition pretreated disc tube reverse osmosis (dt-ro) film one
Body membrane separation device.
Background technique
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, distance is 6mm between each adjacent two flow guiding disc in component, it is this it is unique design can remove it is higher in sewage
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 pipe
Formula reverse osmosis membrane blockage of the micro orifice, and the cost of disc tube reverse osmosis (dt-ro) film is relatively high, and frequent diaphragm of replacing increases the later period
Maintenance cost, these problems drastically influence the service life and use cost of disc tube reverse osmosis (dt-ro) membrane module, restrict dish tubular type
The promotion and application of reverse osmosis technology.
The salient point that water conservancy diversion panel surface has certain way to arrange, this special Hydraulic design act on treatment fluid in pressure
Under flow through filter membrane surface meet salient point collision when form turbulent flow, the size of salient point directly affects the size of turbulent flow, and in liquid to be treated
The Species differences of pollutant are very big, and the pH value of pollutant is different, the material of preferably a kind of pair pH sensitive, and flow guiding disc is convex
Point changes size with the variation of liquid to be treated pH value, and then has an impact to film surface blocking and concentration polarization phenomenon, successfully
Extend the service life of diaphragm；It is also easy to clean the incrustation on diaphragm when cleaning, adapts to worse flow condition.
Summary of the invention
The purpose of this utility model is to be to overcome the shortage of prior art, and provides a kind of preposition pretreated dish tubular type reverse osmosis
The design scheme of permeable membrane integrated film separator, this programme, which is used, is added the pretreated filter material of gradual change in the front end of device
Material, raw water can reduce the fouling and scaling phenomenon of disc tube reverse osmosis (dt-ro) film, increase the water flux of film, prolong by successively filtering
The service life of long film, effluent quality more preferably, reduce operation and maintenance cost.Salient point is used and is coagulated to pH sensitive on flow guiding disc
Glue material is made, and efficiently avoids film blocking and concentration polarization phenomenon.
It is achieved particular by following technical scheme:
A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator, it is characterised in that the separator packet
Include pressure vessel, flange, center pull rod, flow guiding disc, reverse osmosis membrane bag, preposition pretreatment filtration material, connecting line and sealing
Circle, the pressure vessel and flanged joint, the center pull rod are 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,
The reverse osmosis membrane bag is disc tube reverse osmosis (dt-ro) film bag, and the preposition pretreatment filtration material is gradual change filtering material, described to lead
Salient point on flow table is made of pH sensitive gels material.
The preposition pretreatment filtration material is the gradual change filtering for retaining aperture from 1 micron to 10 nanometer along water (flow) direction
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 to block, and upper and lower two sections are not connected to mutually, and upper section is level-one
Filtered water collection pipe, lower end are secondary filtration water collection pipe.
The by-pass filtration recycles raw water and 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 circulation, 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 lower section, and secondary filtration water enters pure water collection device.
Spacing of the preposition pretreatment section between the two neighboring flow guiding disc of water (flow) direction is gradually reduced, to the last
The distance between two flow guiding discs are equidistant with each adjacent two flow guiding disc of secondary filtration section.
The pH sensitive gels material is one of acrylic acid, acrylamide, polyacrylic acid or methacrylic acid
Or it is several.
It the advantages of the utility model and has the beneficial effect that
1. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in the utility model, preposition
The addition of pretreatment section, gradual change filtering material nanometer is gradually reduced the retention of former water pollutant from 1 micron to 10, in raw water
Pollutant successively retained, can reduce the pollution of each layer gradual change filtering material, extend the service life of pretreatment filtration material.
2. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in the utility model passes through
The by-pass filtration water of pretreatment stage processing is transported to the secondary filtration stage, and the water inlet in secondary filtration stage is by pretreatment rank
The processing of section, the pollutant of macromolecule reduce film surface pollution and scale formation, when extending the use of film bag by effectively catching
Between, increase the water flux of film, effluent quality more preferably, reduces operating cost.
3. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in the utility model, preposition
The material of pretreatment stage is low compared to the acquisition cost of disc tube reverse osmosis (dt-ro) diaphragm, and the design of the present apparatus can reduce operation and maintenance
Cost.
4. the preposition pretreatment disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in the utility model, preposition pre-
Processing stage and the integrated design of disc tube reverse osmosis (dt-ro) film can make occupation area of equipment small, conveniently moving.
5. the preposition pretreatment disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in the utility model, flow guiding disc
On salient point select amphoteric ion type pH sensitive gels material, group occurs ionization salient point and becomes under acid and alkaline condition
Greatly, to efficiently avoid film blocking and concentration polarization phenomenon, the service life of diaphragm is successfully extended；Also hold when cleaning
Easily the incrustation on diaphragm is cleaned, guarantees that dish tubular membrane group is suitable for handling the waste water of high turbidity and the high coefficient containing sand, adapts to
Worse flow condition.
Detailed description of the invention
Attached drawing 1 is the working principle and course of work schematic diagram of the utility model, and attached drawing 2 is flow guiding disc schematic diagram.
Description of symbols: 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 lower section 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, and 12 be center pull rod
Intermediate plugged zone, 13 be lower section center pull rod, 14 be lower end flanges, 15 be lower end flanges water inlet, 16 be lower end flanges, 17
For the salient point of pH sensitivity on flow guiding disc.
Specific embodiment
The utility model is further elaborated with below with reference to embodiment.
The structure of the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind of the utility model is:
A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator, mainly include 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 section
Part is the by-pass filtration stage, and the lower section is the secondary filtration stage.Upper flanges 2, multiple flow guiding discs 5 and lower end flanges 15
It successively stacks, and is fixed within pressure vessel with center pull rod 1, the upper portion of device is packed between every two flow guiding disc
Preposition pretreatment filtration material 4, the lower section are packed into disc tube reverse osmosis (dt-ro) film bag 6 between every two flow guiding disc, and sealing ring is set
In the groove of flow guiding disc two sides, for separating permeate and concentrate, preposition pretreatment gradual change filtering material and dish tubular type reverse osmosis
It is not in contact with each other between permeable membrane bag and upper and lower flow guiding disc, forms liquid flow path.Between the every two flow guiding disc of the lower section
Be equidistant, upper portion is gradually reduced along the distance between water (flow) direction every two flow guiding disc, to the last two water conservancy diversion
The distance of disk and being equidistant for the lower section every two flow guiding disc.
The preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator working principle of one kind of the utility model and
The course of work is:
For raw water out of upper flanges water inlet 3 inflow device, the channel between flow guiding disc and pressure vessel flows to upper section
Partial bottom, and preposition pretreatment gradual change filtering material is flowed quickly through, then 180 degree is reversed to preposition pretreatment gradual change and is filtered
The another side of material, then next flow guiding disc is flowed into from flow guiding disc, thus in the table of preposition pretreatment gradual change filtering material
Face is formed by flow guiding disc circumference to circle center, then arrives circumference, then to the route of circle center, condensed water is from upper flanges water outlet 10
Discharge, by-pass filtration are completed, and by-pass filtration water flows into the secondary filtration stage by pipeline 11 from center pull rod upper end water outlet 9,
For by-pass filtration water from 15 inflow device of water inlet of lower end flanges 16, the channel between flow guiding disc and pressure vessel flows to lower section
Partial top, and flow quickly through disc tube reverse osmosis (dt-ro) film bag, then 180 degree reverses the another side to film bag, then from flow guiding disc
In be flowed into next flow guiding disc, when raw water pH value is acid or alkalinity, the salient point on flow guiding disc becomes larger, and raw water pH value is
Salient point size does not change when neutral, to be formed by flow guiding disc circumference in film surface to circle center, then arrives circumference, then arrive circle center
Route, condensed water from the water outlet 7 of lower end flanges be discharged, water outlet 8 row of the secondary filtration pure water from lower section center pull rod 13
Out, into pure water collection device.
Claims (6)
1. a kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator, it is characterised in that the separator includes
Pressure vessel, flange, center pull rod, flow guiding disc, reverse osmosis membrane bag, preposition pretreatment filtration material, connecting line and sealing ring,
The pressure vessel and flanged joint, the center pull rod are upper and lower mutually disconnected two sections of compositions, and the flange is divided into upper end
Flange and lower end flanges, and upper flanges are equipped with inlet and outlet, and lower end flanges are equipped with inlet and outlet, described
Reverse osmosis membrane bag is disc tube reverse osmosis (dt-ro) film bag, and the preposition pretreatment filtration material is gradual change filtering material, the flow guiding disc
On salient point be made of pH sensitive gels material, wherein pH sensitive gels material be amphoteric ion type gel rubber material.
2. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in claim 1, which is characterized in that
The preposition pretreatment filtration material is the gradual change filtering material for retaining aperture from 1 micron to 10 nanometer along water (flow) direction, preceding
The shape for setting pretreatment filtration material is identical with the shape of disc tube reverse osmosis (dt-ro) film bag.
3. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in claim 1, which is characterized in that
The center pull rod is divided into upper and lower two sections, and centre is to block, and upper and lower two sections are not connected to mutually, and upper section is by-pass filtration water receipts
Collector, lower end are secondary filtration water collection pipe.
4. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind described in claim 1, which is characterized in that
By-pass filtration recycles raw water and intakes from the upper flanges water inlet, and primary concentration water is from the upper flanges after processing
Water outlet discharge, by-pass filtration water are discharged from upper end center pull rod, are transported to the water inlet of the lower end flanges by the road, and one
Grade crosses drainage and enters secondary filtration circulation, and after secondary filtration circular treatment, secondary concentration water goes out from the lower end flanges
Mouth of a river discharge, secondary filtration water are discharged from the water outlet of center pull rod lower section, and secondary filtration water enters pure water collection device.
5. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind as claimed in claim 1 or 2, feature exist
In, spacing of the preposition pretreatment section between the two neighboring flow guiding disc of water (flow) direction is gradually reduced, and to the last two
The distance between flow guiding disc is equidistant with each adjacent two flow guiding disc of secondary filtration section.
6. the preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator of one kind as claimed in claim 1 or 2, feature exist
In the pH sensitive gels material is one of acrylic acid, acrylamide, polyacrylic acid or methacrylic acid or several
Kind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721834214.4U CN208603776U (en) | 2017-12-25 | 2017-12-25 | A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721834214.4U CN208603776U (en) | 2017-12-25 | 2017-12-25 | A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator |
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| Publication Number | Publication Date |
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| CN208603776U true CN208603776U (en) | 2019-03-15 |
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ID=65659104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721834214.4U Active CN208603776U (en) | 2017-12-25 | 2017-12-25 | A kind of preposition pretreated disc tube reverse osmosis (dt-ro) film integrated film separator |
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| CN (1) | CN208603776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020244428A1 (en) * | 2019-06-01 | 2020-12-10 | 栾松 | Industrial parallel water inlet single-stage disc water filter |
-
2017
- 2017-12-25 CN CN201721834214.4U patent/CN208603776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020244428A1 (en) * | 2019-06-01 | 2020-12-10 | 栾松 | Industrial parallel water inlet single-stage disc water filter |
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Address after: 300382 Building 4, Hailande Building, Xuefu Industrial Zone, Xiqing District, Tianjin Patentee after: Tianjin Tianyuan New Material Technology Co., Ltd Address before: 300382 Building 4, Hailande Building, Xuefu Industrial Zone, Xiqing District, Tianjin Patentee before: Tianjin Tiangong new Mstar Technology Ltd |