CN110237717A - A kind of open nanofiltration film production line - Google Patents
A kind of open nanofiltration film production line Download PDFInfo
- Publication number
- CN110237717A CN110237717A CN201910645345.5A CN201910645345A CN110237717A CN 110237717 A CN110237717 A CN 110237717A CN 201910645345 A CN201910645345 A CN 201910645345A CN 110237717 A CN110237717 A CN 110237717A
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- Prior art keywords
- liquid phase
- heat drying
- drying pipe
- hollow heat
- pvdf
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- 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
- B01D61/027—Nanofiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D69/10—Supported membranes; Membrane supports
-
- 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
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
- B01D71/06—Organic material
- B01D71/56—Polyamides, e.g. polyester-amides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/24—Mechanical properties, e.g. strength
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of open nanofiltration film production lines, belong to film forming apparatus technical field.Head is coated including serif thread supplying device, five roller traction device a of power, directive wheel a and PVDF in successively adjacent doughnut, it is successively adjacent that PVDF coats head, coagulating bath, cleaner bath a, cleaner bath b and hollow heat drying pipe a, the hollow heat drying pipe a, liquid phase a infiltration apparatus, air knife a, liquid phase b reaction unit, air knife b and hollow heat drying pipe b are successively adjacent, and hollow heat drying pipe b, directive wheel b, five roller traction device b of power and reverse osmosis membrane collecting wheel are successively adjacent.The beneficial effects of the present invention are: applying one layer of PVDF on serif in doughnut as basement membrane, polyamide nanofiltration film wire is then made on basement membrane, the open nanofiltration membrane into water end opening is made in several nanofiltration film wires, film wire good toughness, it is hardly damaged, long service life is easy to clean.
Description
Technical field
The present invention relates to a kind of membrane equipments of nanofiltration membrane, belong to nanofiltration membrane preparation technical field.
Background technique
Traditional nanofiltration membrane is mostly plate membrane, is encapsulated using rolling, and such nanofiltration membrane water inlet flow channel is narrow, and water inlet end is all
Be it is enclosed, film surface pollution after is difficult to clean.
Summary of the invention
To solve defect of the existing technology, the object of the present invention is to provide a kind of good toughness, long service life, cleanings
Convenient open nanofiltration film production line.
The technical scheme is that a kind of open nanofiltration film production line, including successively adjacent doughnut liner
Line thread supplying device, five roller traction device a of power, directive wheel a and PVDF coat head, PVDF coat head, coagulating bath, cleaner bath a,
Cleaner bath b and hollow heat drying pipe a are successively adjacent, the hollow heat drying pipe a, liquid phase a infiltration apparatus, air knife a, liquid
Phase b reaction unit, air knife b and hollow heat drying pipe b are successively adjacent, hollow heat drying pipe b, directive wheel b, five roller of power
Traction device b and nanofiltration membrane collecting wheel are successively adjacent；
Pass through transfer pipeline a connection liquid phase b storage tank output end, the transfer pipeline a in the middle part of the liquid phase b reaction unit
It is equipped with liquid phase b delivery pump, liquid phase b reaction unit both ends connect return line c, the return line c connection liquid phase b storage tank
Recovery end.
PVDF batch can connects the PVDF by supply lines and coats head, and the supply lines are equipped with coating charging pump.
Coagulating bath storage tank connects the coagulating bath with return line a by transfer pipeline b, and the transfer pipeline b is equipped with
Coagulating bath delivery pump.
The air knife a passes through gas pipeline a with air knife b respectively and connects compressed air source, the appendix with gas pipeline b
Road a is equipped with pressure-regulating valve a and pressure gauge a, and gas pipeline b is equipped with pressure-regulating valve b and pressure gauge b.
The output end of liquid phase a storage bin passes through the input terminal of transfer pipeline c connection liquid phase a infiltration apparatus two sides, the liquid
Output end in the middle part of phase a infiltration apparatus connects return line b, and the recovery end of return line b connection liquid phase a storage bin is described defeated
Pipeline c is sent to be equipped with liquid phase a delivery pump.
The beneficial effects of the present invention are: one layer of PVDF is applied on serif in doughnut as basement membrane, then in basement membrane
Upper production polyamide nanofiltration film wire, several nanofiltration film wires are made the open nanofiltration membrane into water end opening, film wire good toughness, no
Easy to damage, long service life is easy to clean.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Appended drawing reference is as follows in figure: 1, serif thread supplying device in doughnut, 2, five roller traction device a of power, 3, guiding
Take turns a, 4, PVDF coating head, 5, coating charging pump, 6, PVDF batch can, 7, coagulating bath, 8, coagulating bath storage tank, 9, coagulating bath conveying
Pump, 10, cleaner bath a, 11, cleaner bath b, 12, nanofiltration membrane collecting wheel, 13, hollow heat drying pipe a, 14, liquid phase a infiltration apparatus,
15, liquid phase a storage bin, 16, liquid phase a delivery pump, 17, air knife a, 18, liquid phase b reaction unit, 19, air knife b, 20, liquid phase b storage
Tank, 21, liquid phase b delivery pump, 22, pressure-regulating valve a, 23, pressure gauge a, 24, pressure-regulating valve b, 25, pressure gauge b, 26, pressure
Table b, 27, hollow heat drying pipe b, 28, directive wheel b, 29, five roller traction device b of power.
Specific embodiment
1 the present invention will be further described with reference to the accompanying drawing:
A kind of open nanofiltration film production line, including serif thread supplying device 1, five roller of power in successively adjacent doughnut
Traction device a2, directive wheel a3 and PVDF coat head 4, PVDF coat head 4, coagulating bath 7, cleaner bath a10, cleaner bath b11 with
And hollow heat drying pipe a13 is successively adjacent, the hollow heat drying pipe a 13, liquid phase a infiltration apparatus 14, air knife a17, liquid
Phase b reaction unit 18, air knife b19 and hollow heat drying pipe b27 are successively adjacent, hollow heat drying pipe b27, directive wheel
B28, five roller traction device b29 of power and nanofiltration membrane collecting wheel 12 are successively adjacent；
Pass through 20 output end of transfer pipeline a connection liquid phase b storage tank, the conveying in the middle part of the liquid phase b reaction unit 18
Pipeline a is equipped with liquid phase b delivery pump 21, and 18 both ends of liquid phase b reaction unit connect return line c, the return line c connection liquid
The recovery end of phase b storage tank 20.
PVDF batch can 6 connects the PVDF by supply lines and coats head 4, and the supply lines are equipped with coating charging pump
5。
Coagulating bath storage tank 8 connects the coagulating bath b7 with return line a by transfer pipeline b, sets on the transfer pipeline b
There is coagulating bath delivery pump 9.
The air knife a17 passes through gas pipeline a with air knife b19 respectively and connects compressed air source 26 with gas pipeline b, described
Gas pipeline a is equipped with pressure-regulating valve a22 and pressure gauge a23, and gas pipeline b is equipped with pressure-regulating valve b24 and pressure gauge
b25。
The output end of liquid phase a storage bin 15 is by transfer pipeline c connection liquid phase a infiltration apparatus 14, on the transfer pipeline c
Equipped with liquid phase a delivery pump 16,14 both ends of liquid phase a infiltration apparatus connect return line b, return line b connection liquid phase a storage
The recovery end of case 15.
Liquid phase a ingredient in the liquid phase a infiltration apparatus 14 includes three formyl chloride of benzene, paraphthaloyl chloride, isophthalic diformazan
Acyl chlorides, ISOPAR-G, n-hexane.Configuration method matches as follows in parts by weight: pyromellitic trimethylsilyl chloride 0-2%, paraphenylene terephthalamide
Chlorine 0-1%, m-phthaloyl chloride 0-1%, ISOPAR-G 50-99%, n-hexane 0-50%.Liquid in liquid phase b reaction unit 18
Phase b ingredient includes piperazine, m-phenylene diamine (MPD), water, sodium hydroxide, sodium phosphate.Configuration method matches as follows in parts by weight: piperazine
0-5%, m-phenylene diamine (MPD) 0-5%, water 0-99%, sodium hydroxide 0-1%, sodium phosphate 0-1%.Interior serif is coated into one layer of PVDF
Film after solidification is cleaned and dried 10-30 seconds in immersion liquid a, then the obvious solvent droplets of film surface is blown off, then immerse liquid b
It is 5-20 minutes middle, then be heat-treated 3-20 minutes, 50-80 DEG C of heat treatment temperature by hollow heat drying pipe b 27.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of open nanofiltration film production line, which is characterized in that including serif thread supplying device in successively adjacent doughnut
(1), five roller traction device a (2) of power, directive wheel a (3) and PVDF coating head (4), PVDF coat head (4), coagulating bath (7),
Cleaner bath a (10), cleaner bath b (11) and hollow heat drying pipe a (13) are successively adjacent, the hollow heat drying pipe a13,
Liquid phase a infiltration apparatus (14), air knife a (17), liquid phase b reaction unit (18), air knife b (19) and hollow heat drying pipe b
(27) successively adjacent, hollow heat drying pipe b (27), directive wheel b (28), five roller traction device b (29) of power and reverse osmosis
Film collecting wheel (12) is successively adjacent；
Pass through transfer pipeline a connection liquid phase b storage tank (20) output end, the conveying in the middle part of the liquid phase b reaction unit (18)
Pipeline a is equipped with liquid phase b delivery pump (21), and liquid phase b reaction unit (18) both ends connect return line c, and the return line c connects
Connect the recovery end of liquid phase b storage tank (20).
2. open nanofiltration film production line according to claim 1, which is characterized in that PVDF batch can (6) passes through feeder sleeve
Road connects PVDF coating head (4), and the supply lines are equipped with coating charging pump (5).
3. open nanofiltration film production line according to claim 1, which is characterized in that coagulating bath storage tank (8) passes through conveying
Pipeline b connects the coagulating bath b (7) with return line a, and the transfer pipeline b is equipped with coagulating bath delivery pump (9).
4. open nanofiltration film production line according to claim 1, which is characterized in that the air knife a (17) and air knife b
(19) it is connected respectively with gas pipeline b compressed air source (26) by gas pipeline a, the gas pipeline a is equipped with pressure tune
It saves valve a (22) and pressure gauge a (23), gas pipeline b is equipped with pressure-regulating valve b (24) and pressure gauge b (25).
5. open nanofiltration film production line according to claim 1, which is characterized in that the output of liquid phase a storage bin (15)
By transfer pipeline c connection liquid phase a infiltration apparatus (14), the transfer pipeline c is equipped with liquid phase a delivery pump (16), described at end
Liquid phase a infiltration apparatus (14) both ends connect return line b, the recovery end of return line b connection liquid phase a storage bin (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645345.5A CN110237717A (en) | 2019-07-17 | 2019-07-17 | A kind of open nanofiltration film production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645345.5A CN110237717A (en) | 2019-07-17 | 2019-07-17 | A kind of open nanofiltration film production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110237717A true CN110237717A (en) | 2019-09-17 |
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ID=67892757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910645345.5A Pending CN110237717A (en) | 2019-07-17 | 2019-07-17 | A kind of open nanofiltration film production line |
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| Country | Link |
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| CN (1) | CN110237717A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935327A (en) * | 2019-12-30 | 2020-03-31 | 碧菲分离膜（大连）有限公司 | Internal pressure formula hollow fiber receives filter membrane production line |
| CN112452158A (en) * | 2020-09-30 | 2021-03-09 | 西安航天华阳机电装备有限公司 | Receive filter membrane, reverse osmosis membrane shaping humiture balancing unit |
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| CN205323547U (en) * | 2015-12-31 | 2016-06-22 | 南京久盈膜科技有限公司 | Open external pressure hollow fiber membrane subassembly |
| CN106731873A (en) * | 2017-02-15 | 2017-05-31 | 北京新源国能科技集团股份有限公司 | The preparation method and device of a kind of hollow fiber composite membrane |
| CN206414992U (en) * | 2016-11-28 | 2017-08-18 | 枫科(北京)膜技术有限公司 | A kind of equipment for producing fiber nano filtering film |
| JP2018108589A (en) * | 2018-03-07 | 2018-07-12 | 日東電工株式会社 | Composite semipermeable membrane |
| CN208599502U (en) * | 2018-05-21 | 2019-03-15 | 天津市碧水源环境科技有限公司 | A kind of intensive band liner hollow fiber composite membrane production equipment |
| CN208771215U (en) * | 2018-07-25 | 2019-04-23 | 南京工业大学 | Production device of nanofiltration membrane |
-
2019
- 2019-07-17 CN CN201910645345.5A patent/CN110237717A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205323547U (en) * | 2015-12-31 | 2016-06-22 | 南京久盈膜科技有限公司 | Open external pressure hollow fiber membrane subassembly |
| CN206414992U (en) * | 2016-11-28 | 2017-08-18 | 枫科(北京)膜技术有限公司 | A kind of equipment for producing fiber nano filtering film |
| CN106731873A (en) * | 2017-02-15 | 2017-05-31 | 北京新源国能科技集团股份有限公司 | The preparation method and device of a kind of hollow fiber composite membrane |
| JP2018108589A (en) * | 2018-03-07 | 2018-07-12 | 日東電工株式会社 | Composite semipermeable membrane |
| CN208599502U (en) * | 2018-05-21 | 2019-03-15 | 天津市碧水源环境科技有限公司 | A kind of intensive band liner hollow fiber composite membrane production equipment |
| CN208771215U (en) * | 2018-07-25 | 2019-04-23 | 南京工业大学 | Production device of nanofiltration membrane |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935327A (en) * | 2019-12-30 | 2020-03-31 | 碧菲分离膜（大连）有限公司 | Internal pressure formula hollow fiber receives filter membrane production line |
| CN112452158A (en) * | 2020-09-30 | 2021-03-09 | 西安航天华阳机电装备有限公司 | Receive filter membrane, reverse osmosis membrane shaping humiture balancing unit |
| CN112452158B (en) * | 2020-09-30 | 2023-02-03 | 西安航天华阳机电装备有限公司 | Receive filter membrane, reverse osmosis membrane shaping humiture balancing unit |
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Application publication date: 20190917 |
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