CN110368820A - A kind of preparation method of spraying leaching slurry coating device and plate ceramic super-filtering film - Google Patents
A kind of preparation method of spraying leaching slurry coating device and plate ceramic super-filtering film Download PDFInfo
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- CN110368820A CN110368820A CN201910737100.5A CN201910737100A CN110368820A CN 110368820 A CN110368820 A CN 110368820A CN 201910737100 A CN201910737100 A CN 201910737100A CN 110368820 A CN110368820 A CN 110368820A
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- 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
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
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- 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
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- 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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
Abstract
The invention discloses a kind of sprayings to drench slurry coating device, including automatic spray apparatus and automatic leaching sizing device；Automatic spray apparatus includes moving track, fixture and the supporter cleaner and spraying mechanism set gradually according to direction of transfer；Fixture is erect in interval packaged type to be arranged on moving track；Supporter cleaner, spraying mechanism are respectively positioned on the two sides of moving track；Automatic leaching sizing device includes conveyer belt, supporting member, slurry box, valve, flowmeter, overflow device；Supporting member is arranged on a moving belt in interval packaged type；Slurry box, overflow device are located at the top of conveyer belt one end；The outlet of slurry box is communicated to overflow device through valve, flowmeter.In addition, also disclosing the preparation method of the plate ceramic super-filtering film based on above-mentioned apparatus.Invention significantly improves production efficiencys to realize the purpose that high performance flat ceramic membrane is prepared with high efficiency using the technique for drenching slurry afterwards is first sprayed.
Description
Technical field
The present invention relates to technical field of membrane separation more particularly to the systems of a kind of coating device and plate ceramic super-filtering film
Preparation Method.
Background technique
Membrane technology is as isolation technics efficiently, green by developed countries such as America and Europe, Japan as 21 century new and high technology
It is studied.With the continuous development of membrane technology, plate ceramic membrane is because its structure is simple, presses small, at low cost, membrane module between film
The advantages that occupied area is small is increasingly being applied to the fields such as petrochemical industry, sewage treatment.
Plate ceramic membrane be mainly characterized by its support body wall it is thin, separation membrane layer is located at the outer surface of supporter.Mesh
Before, the film layer preparation of plate ceramic super-filtering film mainly uses cement-dipping method and spray coating method.
When preparing plate Ceramic excessive filtration film layer using cement-dipping method, it is based primarily upon the filtering of capillary colloidal state and thin film coated machine
Reason, needs film at least twice and is burnt into twice, and production cost is higher, and exists and go out because the wall of supporter is relatively thin and easy
Existing thicknesses of layers is uneven, the blocking of separation membrane layer easy to leak, some perforations and pure water flux are lower, presses the defects of larger to ask between film
Topic.Moreover, because the unique structure (wall thin and intermediate have muscle portion connection) of ceramic membrane, be easy to cause separation coating film slurry
The particle that middle partial size is less than support body aperture leaks into inside supporter, blocks duct, while generating supporter muscle portion and no muscle
The defects of portion's thicknesses of layers is uneven.
When preparing plate Ceramic excessive filtration film layer with spray coating method, it is based primarily upon the heap layer by layer of powder particles in ceramic membrane slurry
Product principle, existing main problem is surface unevenly and coating effect is poor.For this purpose, the prior art has developed by ultrasonic mist
The method with secondary air is set in makeup, and spray coating liquor is atomized into ultra-fine microlayer model, and then layer upon layer film forming layer.In these methods
In, it is often necessary to the defects of multilayer sprays and be easy to cause rough film surface, generation bubble and macropore, and complex process, energy consumption
Height, the degree of automation are low, bring great difficulty for high efficiency film and the high-performance preparation of ceramic membrane.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of sprayings to drench slurry coating device, so as to flat
Plate ceramic film support carries out first automatic spraying, the film mode that automatic leaching is starched again, to simplify preparation process, improve production effect
Rate.Another object of the present invention is to provide the preparation methods of the plate ceramic super-filtering film based on above-mentioned apparatus, use first
Spray coating method prepares intermediate isolating layer, then using leaching slurry processes preparative separation film layer, by primary drying, firing, in large aperture branch
The lesser ceramic membrane in aperture is directly prepared on support body, and high performance ceramic membrane is prepared with high efficiency to realize.
The purpose of the present invention is achieved by the following technical programs:
A kind of spraying leaching slurry coating device provided by the invention, including automatic spray apparatus and automatic leaching sizing device；
The automatic spray apparatus includes moving track, the fixture with card slot and sets gradually according to direction of transfer
Supporter cleaner and spraying mechanism；The fixture is erect in interval packaged type to be arranged on moving track, the branch
The both ends duct port card of support body is in the card slot of fixture；The supporter cleaner is located at the two sides of moving track；It is described
Spraying mechanism includes watering can, compressor, atomizer bracket, atomizer, remaining slurry collection baffle, remaining slurry collecting tank；It is described remaining
It is in concave arc, the two sides for being symmetricly set on moving track that slurry, which collects baffle,；The atomizer bracket is located at remaining slurry baffle area
The middle part in domain, the two sides for being symmetricly set on moving track；The atomizer is arranged on atomizer bracket with vertical direction,
And it is connect with watering can and compressor；The remaining slurry collecting tank is located at the lower section of moving track and collects the position of baffle with remaining slurry
It is corresponding；
The automatic leaching sizing device includes that conveyer belt, the supporting member with boss, slurry box, valve, flowmeter, overflow are set
It is standby；The supporting member is arranged on a moving belt in interval packaged type；The slurry box, overflow device are located at conveyer belt one end
Top；The outlet of the slurry box is communicated to overflow device through valve, flowmeter.
Another object of the present invention is achieved by the following technical programs:
The preparation method of plate ceramic super-filtering film provided by the invention based on above-mentioned apparatus, comprising the following steps:
(1) preparation of ceramic suspension slurry
15~the 33wt% of ceramic powder for being 0.1~1 μm according to raw material composition granularity D50,1~3wt% of polyvinyl alcohol, divide
0.1~0.5wt% of powder, 65~83wt% of deionized water first uniformly mix the deionized water with dispersing agent, then plus
After entering ceramic powder ultrasonic disperse, adds polyvinyl alcohol and be stirred, obtain mixed liquor；The mixed liquor ball milling mixing is equal
After even, ceramic suspension slurry is obtained；
(2) spray coating method prepares separation layer
Based on above-mentioned automatic spray apparatus, the ceramic suspension slurry is packed into watering can, the speed of the moving track
For 0.05~0.2m/s, the fixture is taken supporter and is run with moving track；By the atomizer with pressure 0.1~
The ceramic suspension slurry is sprayed on to be formed on ceramic membrane supporter by 0.25MPa, 150~300mL/min of flow is isolated
Layer, obtains the flat ceramic film support containing separation layer；
(3) slurry processes preparative separation film layer is drenched
Based on above-mentioned automatic leaching sizing device, the speed of the conveyer belt is 0.1~0.25m/s, by described containing separation layer
Flat ceramic film support lies on supporting member and runs with conveyer belt；The ceramic suspension slurry is packed into slurry box,
Valve is opened, after ceramic suspension stream of slurry spill-over flow device under overflow stream, with 200~400mL/min of flow to containing separation layer
The surface of flat ceramic film support carries out single side leaching slurry；After the flat ceramic film support containing separation layer is inverted again
Single side leaching slurry is carried out, the flat ceramic film support containing separation membrane layer and separation layer is obtained；
(4) preparation of plate ceramic super-filtering film
After the drying containing the flat ceramic film support of separation membrane layer and separation layer, is calcined, obtain plate
Type ceramic super-filtering film.
Further, the time of ultrasonic disperse is 30~50min, the time being stirred in step (1) of the present invention
For 30~60min, the time of ball milling mixing is 90~180min.
Further, the solid content of ceramic suspension slurry of the present invention is 15~35wt%, and viscosity is 30~60Pa.s.
Further, the separation layer with a thickness of 15~25 μm, the separation membrane layer with a thickness of 10~20 μm.
Further, drying temperature is 40~100 DEG C in step (4) of the present invention, and calcination temperature is 1200~1350
℃。
The invention has the following advantages:
(1) present invention is using automatic spraying and leaching sizing device, while being furnished with fixture and supporting member, it can be achieved that supporter is cut
The two-way Seal treatment in face ensure that the high porosity of ceramic membrane so that slurry be effectively prevent to enter supporter interior surface
And high permeating flux, while the film time has greatly been saved, significantly improve production efficiency.
(2) present invention uses first to spray drenches sizing process again, and the separation layer sprayed can be effectively isolated the macropore of supporter
The defects of, the defects of obtained film layer further can fill and lead up and eliminate the uneven surface and bubble of separation layer is starched in leaching, thus big
The lesser ceramic membrane in aperture is directly prepared on the supporter of aperture, and is efficiently solved prior art spray coating method and prepared Ceramic excessive filtration
The problems such as film surface of film is rough, film layer easy to leak and thicknesses of layers are uneven, flux is lower and big hole defect.
(3) present invention can be prepared by ceramic membrane product by primary drying, firing, effectively solve current flat ceramic ultrafiltration
Film preparation complex process, firing number is more, the higher problem of energy consumption；Using remaining slurry baffle in conjunction with spraying process, realize
Film slurry recycles, and has greatly saved the preparation cost of plate ceramic membrane.
Detailed description of the invention
Below in conjunction with embodiment and attached drawing, the present invention is described in further detail:
Fig. 1 is the principle schematic diagram of automatic spray apparatus in the embodiment of the present invention；
Fig. 2 is the schematic diagram of the fixture in automatic spray apparatus shown in Fig. 1；
Fig. 3 is the connection schematic diagram of the supporter and fixture in automatic spray apparatus shown in Fig. 1；
Fig. 4 is the schematic diagram of the remaining slurry collection baffle in automatic spray apparatus shown in Fig. 2；
Fig. 5 is the principle schematic diagram for drenching sizing device in the embodiment of the present invention automatically；
Fig. 6 is to drench the connection of flat ceramic film support and supporting member in sizing device containing separation layer shown in Fig. 5 automatically to show
It is intended to；
Fig. 7 is the preparation technology flow chart of the embodiment of the present invention；
Fig. 8 is the surface SEM photograph that the embodiment of the present invention sprays separation membrane layer obtained；
Fig. 9 is the section SEM photograph of plate ceramic super-filtering film made from the embodiment of the present invention.
In figure: moving track 1, fixture 2, card slot 2a, supporter cleaner 3, supporter 4, atomizer bracket 5, mist
Change nozzle 6, remaining slurry collects baffle 7, remaining slurry collecting tank 8, conveyer belt 9, supporting member 10, boss 10a, slurry box 11, valve 12, stream
Meter 13, overflow device 14
Specific embodiment
FIG. 1 to FIG. 9 show the preparation side of a kind of spraying leaching slurry coating device of the present invention and plate ceramic super-filtering film
The embodiment of method.
A kind of spraying leaching slurry coating device of the present embodiment, including automatic spray apparatus and automatic leaching sizing device.
As shown in Figure 1, automatic spray apparatus include moving track 1, the fixture 2 (see Fig. 2) with card slot 2a and according to
The supporter cleaner 3 and spraying mechanism that direction of transfer is set gradually；The fixture 2 erects setting in interval packaged type and exists
On moving track 1, the both ends duct port card of the supporter 4 is in the card slot 2a of fixture 2 (see Fig. 3)；The supporter removes
Dirt equipment 3 is located at the two sides of moving track 1；The spraying mechanism includes watering can, compressor, atomizer bracket 5, atomizer
6, remaining slurry collects baffle 7, remaining slurry collecting tank 8；The remaining slurry collects baffle 7 and is in concave arc (see Fig. 4), is symmetricly set on movement
The two sides of track 1；The atomizer bracket 5 is located at the middle part of remaining slurry baffle area, is symmetricly set on the two of moving track 1
Side；The atomizer 6 is arranged on atomizer bracket 5 with vertical direction and is connect with watering can and compressor；The remaining slurry
Collecting tank 8 be located at the lower section of moving track 1 and with remaining slurry collect the position of baffle 7 it is corresponding.
As shown in figure 5, leaching sizing device includes conveyer belt 9, the supporting member 10 with boss 10a, slurry box 11, valve automatically
12, flowmeter 13, overflow device 14；The supporting member 10 is arranged on conveyer belt 9 in interval packaged type；The slurry box
11, overflow device 14 is located at the top of 9 one end of conveyer belt；The outlet of the slurry box 11 is communicated to through valve 12, flowmeter 13
Overflow device 14.
The preparation method of plate ceramic super-filtering film of the present embodiment based on above-mentioned apparatus is 4 μm flat with average pore size
Template ceramic film support (long 500mm × wide 100mm × thickness 3mm) is substrate, as shown in fig. 7, its step are as follows:
(1) preparation of ceramic suspension slurry
According to raw material composition alumina powder (D50 is 0.6 μm) 24wt%, polyvinyl alcohol 1.8wt%, dispersing agent
Deionized water is uniformly mixed with dispersing agent first, oxygen is then added by Dolapix CE-640.2wt%, deionized water 74wt%
After changing aluminium powder body ultrasonic disperse 30min, adds polyvinyl alcohol and be stirred 30min, obtain mixed liquor；The mixed liquor is poured into
Ball milling 120min (revolving speed 200r/min) in ball grinder obtains the stable pottery that solid content is 24wt%, viscosity is 35Pa.s
Porcelain suspended nitride；
(2) spray coating method prepares separation layer
Above-mentioned ceramic suspension slurry is packed into watering can；Using automatic spray apparatus as shown in Figure 1, by supporter 4
Both ends are stuck in the card slot 2a of fixture 2 (see Fig. 3), thus the duct port of two-way closing supporter 4；Open (the speed of moving track 1
Degree is 0.1m/s), fixture 2 is taken supporter 4 and is run with moving track 1, removes it using compressed air through supporter cleaner 3
After surface dirt, spraying mechanism is continued to run until, in this operational process, by atomizer 6 with pressure 0.15MPa, flow
For ceramic suspension slurry is sprayed on the surface of supporter 4 to 150mL/min and forms separation layer, the plate pottery containing separation layer is obtained
Porcelain film support；The slurry of spraying collects baffle 7 by remaining slurry and flows into remaining slurry collecting tank 8；
(3) slurry processes preparative separation film layer is drenched
Using automatic leaching sizing device as shown in Figure 5, by the above-mentioned flat ceramic film support containing separation layer is laid flat, frame exists
Between two supporting members 10, end is against the side (see Fig. 6) of boss 10a, thus the duct port of two-way closing supporter；It opens
Conveyer belt 9 (speed 0.12m/s) is opened, supporting member 10 is taken the flat ceramic film support containing separation layer and run with conveyer belt；It will
Above-mentioned ceramic suspension slurry is packed into slurry box 11, opens valve 12, overflow stream after ceramic suspension stream of slurry spill-over flow device 14
Under, single side leaching slurry is carried out with surface of the flow 200mL/min to the flat ceramic film support containing separation layer；Then using machinery
Handspring turns to carry out another side again in single side leaching slurry, obtains the flat ceramic film support containing separation membrane layer and separation layer；
(4) preparation of plate ceramic super-filtering film
The above-mentioned flat ceramic film support containing separation membrane layer and separation layer is dried into 5h under 40 DEG C of temperature, humidity 70%
Afterwards, the dry 5h under 90 DEG C of temperature, humidity 40%；Then it is calcined, heating rate is 2.5 DEG C/min, until 1250 DEG C of heat preservations
0.5h obtains even film layer, average pore size 65nm, pure water flux 890L/m2* the plate ceramic super-filtering film of bar*h.
Plate ceramic super-filtering film manufactured in the present embodiment, separation layer thickness are 20 μm, and separation membrane layer is with a thickness of 18 μm.Such as
Shown in Fig. 8 and Fig. 9, the smooth zero defect of film surface, boundary clear between supporter, separation layer and separation membrane layer, and separation layer
Do not leak into inside supporter.
Claims (6)
1. a kind of spraying leaching slurry coating device, it is characterised in that: including automatic spray apparatus and automatic leaching sizing device；
The automatic spray apparatus include moving track (1), with card slot (2a) fixture (2) and according to direction of transfer according to
The supporter cleaner (3) and spraying mechanism of secondary setting；The fixture (2) is erect in interval packaged type to be arranged in moving rail
On road (1), the both ends duct port card of the supporter (4) is in the card slot (2a) of fixture (2)；The supporter cleaner
(3) it is located at the two sides of moving track (1)；The spraying mechanism includes watering can, compressor, atomizer bracket (5), atomizer
(6), remaining slurry collects baffle (7), remaining slurry collecting tank (8)；The remaining slurry collects baffle (7) and is in concave arc, is symmetricly set on shifting
The two sides in dynamic rail road (1)；The atomizer bracket (5) is located at the middle part of remaining slurry baffle area, is symmetricly set on moving track
(1) two sides；The atomizer (6) is arranged on atomizer bracket (5) with vertical direction and is connected with watering can and compressor
It connects；The remaining slurry collecting tank (8) be located at the lower section of moving track (1) and with remaining slurry collect the position of baffle (7) it is corresponding；
The automatic leaching sizing device includes conveyer belt (9), supporting member (10), slurry box (11), valve with boss (10a)
(12), flowmeter (13), overflow device (14)；The supporting member (10) is arranged on conveyer belt (9) in interval packaged type；Institute
State slurry box (11), overflow device (114) is located at the top of conveyer belt (9) one end；The outlet of the slurry box (11) is through valve
(12), flowmeter (13) is communicated to overflow device (14).
2. a kind of preparation method of plate ceramic super-filtering film, it is characterised in that the following steps are included:
(1) preparation of ceramic suspension slurry
15~33wt% of ceramic powder, 1~3wt% of polyvinyl alcohol, dispersing agent according to raw material composition granularity D50 for 0.1~1 μm
0.1~0.5wt%, 65~83wt% of deionized water first uniformly mix the deionized water with dispersing agent, and pottery is then added
After porcelain powder ultrasonic disperse, adds polyvinyl alcohol and be stirred, obtain mixed liquor；The mixed liquor ball milling mixing is uniform
Afterwards, ceramic suspension slurry is obtained；
(2) spray coating method prepares separation layer
Based on above-mentioned automatic spray apparatus, the ceramic suspension slurry is packed into watering can, the speed of the moving track (1) is
0.05~0.2m/s, the fixture (2) are taken supporter (4) and are run with moving track (1)；By the atomizer (6) to press
The ceramic suspension slurry is sprayed on shape on ceramic membrane supporter by 0.1~0.25MPa of power, 150~300mL/min of flow
At separation layer, the flat ceramic film support containing separation layer is obtained；
(3) slurry processes preparative separation film layer is drenched
Based on above-mentioned automatic leaching sizing device, the speed of the conveyer belt (9) is 0.1~0.25m/s, will be described flat containing separation layer
Plate ceramic film support lies on supporting member (10) and runs with conveyer belt (9)；The ceramic suspension slurry is packed into slurry
In case (11), open valve (12), ceramic suspension stream of slurry spill-over flow device (14) is afterwards under overflow stream, with flow 200~
400mL/min carries out single side leaching slurry to the surface of the flat ceramic film support containing separation layer；By the plate containing separation layer
Single side leaching slurry is carried out after ceramic film support reversion again, obtains and is supported containing the ceramic membrane of separation membrane layer and separation layer
Body；
(4) preparation of plate ceramic super-filtering film
After the drying containing the flat ceramic film support of separation membrane layer and separation layer, is calcined, obtain plate pottery
Porcelain ultrafiltration membrane.
3. the preparation method of plate ceramic super-filtering film according to claim 2, it is characterised in that: in the step (1)
The time of ultrasonic disperse is 30~50min, and the time being stirred is 30~60min, time of ball milling mixing is 90~
180min。
4. the preparation method of plate ceramic super-filtering film according to claim 2, it is characterised in that: the ceramic suspension slurry
The solid content of material is 15~35wt%, and viscosity is 30~60Pa.s.
5. the preparation method of plate ceramic super-filtering film according to claim 2, it is characterised in that: the thickness of the separation layer
Degree be 15~25 μm, the separation membrane layer with a thickness of 10~20 μm.
6. the preparation method of plate ceramic super-filtering film according to claim 2, it is characterised in that: in the step (4)
Drying temperature is 40~100 DEG C, and calcination temperature is 1200~1350 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737100.5A CN110368820B (en) | 2019-08-11 | 2019-08-11 | Spraying, slurry pouring and film coating device and preparation method of flat plate type ceramic ultrafiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737100.5A CN110368820B (en) | 2019-08-11 | 2019-08-11 | Spraying, slurry pouring and film coating device and preparation method of flat plate type ceramic ultrafiltration membrane |
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| CN110368820A true CN110368820A (en) | 2019-10-25 |
| CN110368820B CN110368820B (en) | 2021-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499407A (en) * | 2020-05-11 | 2020-08-07 | 浙江中诚环境研究院有限公司 | Coating process and coating device for flat-plate type ceramic separation membrane |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605080Y (en) * | 2003-03-07 | 2004-03-03 | 中国工程物理研究院激光聚变研究中心 | Casting apparatus for film preparation |
| JP2005019560A (en) * | 2003-06-24 | 2005-01-20 | D S Giken:Kk | Coating device |
| CN1899680A (en) * | 2006-07-04 | 2007-01-24 | 南开大学 | Asymmetric porous ceramic micro filter film and its preparing method |
| CN103113110A (en) * | 2012-12-04 | 2013-05-22 | 海南大学 | Application method of composite silicon carbide ceramic fiber transition layer |
| CN105880104A (en) * | 2016-05-25 | 2016-08-24 | 成都国珈星际固态锂电科技有限公司 | Coating mechanism, slit coating device and film preparation method |
| CN206676604U (en) * | 2017-03-15 | 2017-11-28 | 广东高标电子科技有限公司 | Automatic spray three-proofing coating streamline |
| CN107469642A (en) * | 2017-08-31 | 2017-12-15 | 深圳中清环境科技有限公司 | A kind of preparation method of aluminum oxide ceramic membrane |
| CN207156086U (en) * | 2017-07-20 | 2018-03-30 | 佛山市东鹏陶瓷有限公司 | A kind of good leaching slurry equipment of slurry blending degree |
| CN108273396A (en) * | 2018-03-28 | 2018-07-13 | 深圳中清环境科技有限公司 | A kind of automatic spray film production line and method of ceramic membrane |
| CN108435000A (en) * | 2017-02-16 | 2018-08-24 | 上海硅苑膜科技有限公司 | A kind of automatic film coating device of ceramic membrane and the preparation method of ceramic membrane |
| CN108906377A (en) * | 2018-09-10 | 2018-11-30 | 南京膜材料产业技术研究院有限公司 | A kind of spraying equipment of multi-level asymmetric ceramic-film tube |
-
2019
- 2019-08-11 CN CN201910737100.5A patent/CN110368820B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605080Y (en) * | 2003-03-07 | 2004-03-03 | 中国工程物理研究院激光聚变研究中心 | Casting apparatus for film preparation |
| JP2005019560A (en) * | 2003-06-24 | 2005-01-20 | D S Giken:Kk | Coating device |
| CN1899680A (en) * | 2006-07-04 | 2007-01-24 | 南开大学 | Asymmetric porous ceramic micro filter film and its preparing method |
| CN103113110A (en) * | 2012-12-04 | 2013-05-22 | 海南大学 | Application method of composite silicon carbide ceramic fiber transition layer |
| CN105880104A (en) * | 2016-05-25 | 2016-08-24 | 成都国珈星际固态锂电科技有限公司 | Coating mechanism, slit coating device and film preparation method |
| CN108435000A (en) * | 2017-02-16 | 2018-08-24 | 上海硅苑膜科技有限公司 | A kind of automatic film coating device of ceramic membrane and the preparation method of ceramic membrane |
| CN206676604U (en) * | 2017-03-15 | 2017-11-28 | 广东高标电子科技有限公司 | Automatic spray three-proofing coating streamline |
| CN207156086U (en) * | 2017-07-20 | 2018-03-30 | 佛山市东鹏陶瓷有限公司 | A kind of good leaching slurry equipment of slurry blending degree |
| CN107469642A (en) * | 2017-08-31 | 2017-12-15 | 深圳中清环境科技有限公司 | A kind of preparation method of aluminum oxide ceramic membrane |
| CN108273396A (en) * | 2018-03-28 | 2018-07-13 | 深圳中清环境科技有限公司 | A kind of automatic spray film production line and method of ceramic membrane |
| CN108906377A (en) * | 2018-09-10 | 2018-11-30 | 南京膜材料产业技术研究院有限公司 | A kind of spraying equipment of multi-level asymmetric ceramic-film tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499407A (en) * | 2020-05-11 | 2020-08-07 | 浙江中诚环境研究院有限公司 | Coating process and coating device for flat-plate type ceramic separation membrane |
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| CN110368820B (en) | 2021-10-19 |
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