CN107986398A - A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina and preparation method thereof - Google Patents
A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina and preparation method thereof Download PDFInfo
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- CN107986398A CN107986398A CN201711488507.6A CN201711488507A CN107986398A CN 107986398 A CN107986398 A CN 107986398A CN 201711488507 A CN201711488507 A CN 201711488507A CN 107986398 A CN107986398 A CN 107986398A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 230000007797 corrosion Effects 0.000 title claims abstract description 28
- 239000012528 membrane Substances 0.000 claims abstract description 30
- 241001477622 annulus group Species 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 9
- 235000012489 doughnuts Nutrition 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 238000012805 post-processing Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000013535 sea water Substances 0.000 description 12
- 238000010612 desalination reaction Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000001223 reverse osmosis Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000013505 freshwater Substances 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Prostheses (AREA)
Abstract
The present invention provides a kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina, including housing, housing both ends are connected with end cap, the axial direction in hull outside face is provided at both ends with branch pipe, enclosure interior is provided with membrane component stent in branch pipe correspondence position, each membrane component stent includes two annulus groups, and two annulus groups are fixedly connected by gusset, and each annulus group includes at least two donuts.Invention also provides the preparation method of this novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina.Novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina provided by the invention and preparation method thereof, it is simple in structure, easy to process, manufacture cost is low, and manufacture size range is big, when diameter is more than 8 inches (203.2mm), better than 8 inches of putaminas of mainstream, compatibility by force, improve space availability ratio currently on the market in terms of degree that its is pressure-resistant, flow regime, mass-transfer efficiency and cost, the membrane area of bigger can be provided in unit volume, so as to obtain the water yield of higher in unit volume.
Description
Technical field
The present invention relates to a kind of putamina and preparation method thereof, more particularly to a kind of putamina for being used to carry out sea water desalination and its
Preparation method.
Background technology
With deep and Global climate change the influence of countries in the world process of industrialization, freshwater resources seem more and more fuller
The foot not needs of daily life and industrial development.Especially in Middle East and industrially developed country, sea water desalination is
Through as a kind of effective means of scarcity of fresh water resources is made up, China is also growing day by day to the demand of sea water desalination.
Reverse osmosis membrane technology is state-of-the-art desalination technology, it be using a pellicle under the effect of the pressure gram
The osmotic pressure for taking seawater filters out the salt in seawater, so as to produce the technology of fresh water.Compared with hot method sea water desalination, reverse osmosis is used
Permeable membrane technology carries out sea water desalination, occurs without phase-change, has the advantages that efficient, energy saving, inexpensive.
At present, the reverse osmosis membrane product for sea water desalination of mainstream be a diameter of 8 inches (203.2mm) membrane component and
8 inches of putamina.Shell is by glass steel making, and end cap is that metal casting is process, and end cap sidewall has rubber seal,
There is a circular groove on the inside of the edge glass fibre reinforced plastics casing of end cap, there are 4 arc-shaped metal fastenings will in groove
End cap blocks, and realizes sealing.This structure is less than or equal to 8 inches, when operating pressure is less than or equal to 6MPa in putamina internal diameter, uses
Have no problem, still, when the diameter of putamina is more than 203.2mm or operating pressure increases, this structure just can not meet use
It require that.
Meanwhile sea water desalting equipment based on 8 inches of sea water desalination membrane components and putamina is bulky, floor space
Greatly, unit volume producing water ratio is low.Under these shortcomings occasion narrow and small and expensive in area, such as naval vessel, drilling platforms, especially
Just seem on islands and reefs with strategic importance particularly evident.Unit volume producing water ratio is low to mean that equipment investment cost height, sky
Between utilization rate it is low, so as to cause the cost of sea water desalination to improve.
The content of the invention
The technical problem to be solved in the present invention is overcome the defects of existing, there is provided a kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant
Putamina and preparation method thereof, simple in structure, easy to process, manufacture cost is low, and manufacture size range is big, and compatibility is strong, improves
Space availability ratio.
In order to solve the above technical problem, the present invention provides following technical solution：
A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina, including housing, membrane component stent and end cap, the housing are sky
Heart cylinder, the both ends of the housing connect the end cap, and the axial both ends in the hull outside face are respectively arranged with a branch
Pipe, the enclosure interior are provided with a membrane component stent in the corresponding position of each branch pipe, each membrane element
Part stent includes two opposite annulus groups, and two annulus groups are fixedly connected by gusset, and each annulus group is included at least
Two donuts；The housing be provided at both ends with termination flange and with the end cap flanged joint, the end of the branch pipe
It is provided with connecting flange.
Further, the end cap includes solid flange disk, and the solid flange disk is provided centrally with first
Heart pipe, the outside termination of first central tube are provided with first flange, and the inboard root of first central tube, which is set with, to be added
Qiang Huan, the reinforcing ring are made into integration or are fixedly connected with the solid flange disk.
Further, the end cap includes the stepped flange disk that is recessed inwardly, in the stepped flange disk
The heart is provided with the second central tube, and the outside termination of second central tube is provided with second flange, second central tube it is outer
Some stiffener plates are provided between lateral root portion and the concave surface of the stepped flange disk.
Further, the housing is directly made of the heat safe material of high-voltage-resistant anti-corrosion, or the housing is by resistance to
Outside coating is combined made of inner side main body made of high pressure material and corrosion-resistant and high-temperature resistant material.
Further, the preparation method of the housing is needed for seamless pipe or the helix tube interception by required diameter and wall thickness
Length, in seamless pipe or the both ends welding ends head flange of helix tube, is pressed in the symmetric position away from both ends termination flange preset length
The branch pipe of length, is welded to connect flange in the termination of each branch pipe, finally carries out machinery again needed for required size perforate and welding
Processing and polishing post processing, obtain housing.
Further, the preparation method of the housing is needed for seamless pipe or the helix tube interception by required diameter and wall thickness
Length, in seamless pipe or the both ends welding ends head flange of helix tube, is pressed in the symmetric position away from both ends termination flange preset length
The branch pipe of length, is welded to connect flange in the termination of each branch pipe, finally carries out machinery again needed for required size perforate and welding
Processing and polishing post processing, obtain the inside Withstand voltage layer of housing；Then in the pressure-resistant layer surface coating polytetrafluoroethylene (PTFE) in the inside
Or the anticorrosive paint such as silicon rubber or ceramics, then obtain exterior corrosion-resistant and high-temperature resistant by post-cure the methods of high temperature or radiation
Coating.
Further, the preparation method of the membrane component stent is from the steel pipe of required diameter and wall thickness or required thickness
Steel plate on cut two annulus groups and six pieces of gussets, it is then annulus group and gusset is integrally welded.
Further, the preparation method of the end cap is that the steel plate of required thickness is cut into disk, then processes institute
The centre bore and corresponding flange hole needed, in the central tube of central hole insertion certain length, the external end head of central tube is welded with method
Orchid, one end of reinforcing ring are connected by welding with disk, and the outer wall of the other end and central tube welds together.
Further, after the preparation method of the end cap is die sinking casting one-pass molding, then obtain through over mechanical processing.
Further, the housing, membrane component stent or end cap are obtained by being molded one-pass molding.
8 inches of traditional putaminas, are typically put into 6 membrane components, and resistance substantially increases when putting more than 6 membrane components, use
Comparing has limitation, and novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina provided by the invention, and not only the manufacture scope of internal diameter is big, long
The manufacture scope of degree is also very big, is at least put into 1 membrane component, can at most be put into 10 membrane components, use scope is wide.
A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina of the present invention and preparation method thereof, simple in structure, easy to process, system
Cause low, manufacture size range is big, and when diameter is more than 8 inches (203.2mm), degree that its is pressure-resistant, flow regime, mass transfer are imitated
Better than 8 inches of putaminas of mainstream, compatibility by force, greatly increase space availability ratio currently on the market in terms of rate and cost,
The membrane area of bigger can be provided in unit volume, so as to obtain the water yield of higher in unit volume.
Brief description of the drawings
Attached drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the embodiment of the present invention 1；
Fig. 2 is the structure diagram of end cap in the embodiment of the present invention 1；
Fig. 3 is the structure diagram of end cap in the embodiment of the present invention 2.
Embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in Figure 1, 2, a kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina, including housing 1, housing 1 are hollow cylinder
Body, the both ends of housing 1 are connected with end cap 2, and the axial both ends of 1 lateral surface of housing are respectively arranged with a branch pipe 3, inside housing 1
A membrane component stent 4 is provided with each 3 corresponding position of branch pipe, each membrane component stent 4 includes two opposite annulus
Group, two annulus groups are fixedly connected by gusset 5, and each annulus group includes at least two donuts.
Housing 1 be provided at both ends with termination flange 6 and with 2 flanged joint of end cap.
The end set of branch pipe 3 has connecting flange 7, easy to be connected with external equipment.
End cap 2 includes solid flange disk 11, and solid flange disk 11 is provided centrally with the first central tube 12, in first
The outside termination of heart pipe 12 is provided with first flange 13, and the inboard root of the first central tube 12 is set with reinforcing ring 14, reinforcing ring
14 are made into integration or are fixedly connected with solid flange disk 11.Above-mentioned end cover structure is simple, and easy processing, cost are low.
Embodiment 2
As shown in figure 3, the present embodiment and embodiment 1 difference lies in：End cap 2 includes the stepped flange circle being recessed inwardly
Disk 21, stepped flange disk 21 are provided centrally with the second central tube 22, and the outside termination of the second central tube 22 is provided with
Some stiffener plates are provided between the concave surface of two flanges 23, the outside root of the second central tube 22 and stepped flange disk
24.Above-mentioned end cap saves material, reduces cost of manufacture.
Housing is directly made of the heat safe material of high-voltage-resistant anti-corrosion, such as stainless steel, titanium alloy etc..
The outside coating of the inner side main body sum of housing is combined, and inner side main body is made of high pressure resistant material, such as carbon steel, outside
Side coating is made of corrosion-resistant and high-temperature resistant material, such as polytetrafluoroethylene (PTFE).
Operation principle：
Supported between two membrane component stents and be fixed with membrane component, in use, the both ends of putamina have certain pressure
Force difference, high pressure side branch are sea intakes, and low pressure side branch is the outlet of concentrated seawater, light after reverse osmosis membrane filtration desalination
Water is exported by central tube.
The preparation method of this novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina is as follows：
The first preparation method of housing is length needed for seamless pipe by required diameter and wall thickness or helix tube interception,
The both ends welding ends head flange of seamless pipe or helix tube, required size is pressed in the symmetric position away from both ends termination flange preset length
The branch pipe of length, is welded to connect flange in the termination of each branch pipe, is finally machined and is thrown again needed for perforate and welding
Light post-processes, and obtains housing.
Second of preparation method of housing is length needed for seamless pipe by required diameter and wall thickness or helix tube interception,
The both ends welding ends head flange of seamless pipe or helix tube, required size is pressed in the symmetric position away from both ends termination flange preset length
The branch pipe of length, is welded to connect flange in the termination of each branch pipe, is finally machined and is thrown again needed for perforate and welding
Light post-processes, and obtains the inside Withstand voltage layer of housing；Then in the pressure-resistant layer surface coating polytetrafluoroethylene (PTFE) in the inside or silicon rubber
Or the anticorrosive paint such as ceramics, then obtain exterior corrosion-resistant and high-temperature resistant coating by post-cure the methods of high temperature or radiation.
The preparation method of membrane component stent is cut from the steel pipe of required diameter and wall thickness or on the steel plate of required thickness
Go out two annulus groups and six pieces of gussets, then annulus group and gusset is integrally welded.
The preparation method of the first end cap is that the steel plate of required thickness is cut into disk, then processes required center
Hole and corresponding flange hole, in the central tube of central hole insertion certain length, the external end head of central tube is welded with flange, reinforcing ring
One end be connected by welding with disk, the outer wall of the other end and central tube welds together.
After the preparation method of second of end cap is die sinking casting one-pass molding, then obtain through over mechanical processing.
Housing, membrane component stent or end cap for non-metallic material, can be fine by engineering plastics or glass fibre or carbon
Dimension or basalt fiber composite material are obtained by being molded one-pass molding.
A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina of the present invention and preparation method thereof, simple in structure, easy to process, system
Cause low, manufacture size range is big, and when diameter is more than 8 inches (203.2mm), degree that its is pressure-resistant, flow regime, mass transfer are imitated
Better than 8 inches of putaminas of mainstream, compatibility by force, greatly increase space availability ratio currently on the market in terms of rate and cost,
The membrane area of bigger can be provided in unit volume, so as to obtain the water yield of higher in unit volume.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in the present invention's
Within protection domain.
Claims (10)
- A kind of 1. novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina, it is characterised in that：Including housing, membrane component stent and end cap, institute It is hollow cylinder to state housing, and the both ends of the housing connect the end cap, and the axial both ends in the hull outside face are set respectively It is equipped with a branch pipe, the enclosure interior is provided with a membrane component stent in the corresponding position of each branch pipe, often A membrane component stent includes two opposite annulus groups, and two annulus groups are fixedly connected by gusset, each annulus Group includes at least two donuts；The housing is provided at both ends with termination flange and has connection with the end cap flanged joint, the end set of the branch pipe Flange.
- A kind of 2. novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina according to claim 1, it is characterised in that：The end cap bag Solid flange disk is included, the solid flange disk is provided centrally with the first central tube, the outboard end of first central tube Head is provided with first flange, and the inboard root of first central tube is set with reinforcing ring, the reinforcing ring and the solid forme Blue disk is made into integration or is fixedly connected.
- A kind of 3. novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina according to claim 1, it is characterised in that：The end cap bag Including the stepped flange disk being recessed inwardly, the stepped flange disk is provided centrally with the second central tube, and described second The outside termination of central tube is provided with second flange, the outside root of second central tube and the stepped flange disk Some stiffener plates are provided between concave surface.
- 4. according to a kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina of claim 1-3 any one of them, it is characterised in that：Institute State housing to be directly made of the heat safe material of high-voltage-resistant anti-corrosion, or housing inner side made of high pressure resistant material is main Outside coating is combined made of body and corrosion-resistant and high-temperature resistant material.
- A kind of 5. preparation method of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina for described in claim 4, it is characterised in that： The preparation method of the housing is length needed for seamless pipe by required diameter and wall thickness or helix tube interception, in seamless pipe or spiral shell The both ends welding ends head flange of coil, by required size perforate and is welded in the symmetric position away from both ends termination flange preset length The branch pipe of required length, is welded to connect flange in the termination of each branch pipe, is finally machined and polished again post processing, obtain To housing.
- A kind of 6. preparation method of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina for described in claim 4, it is characterised in that： The preparation method of the housing is length needed for seamless pipe by required diameter and wall thickness or helix tube interception, in seamless pipe or spiral shell The both ends welding ends head flange of coil, by required size perforate and is welded in the symmetric position away from both ends termination flange preset length The branch pipe of required length, is welded to connect flange in the termination of each branch pipe, is finally machined and polished again post processing, obtain To the inside Withstand voltage layer of housing；Then in the pressure-resistant layer surface coating anticorrosive paint such as polytetrafluoroethylene (PTFE) or silicon rubber or ceramics in the inside, then by high temperature Or the methods of radiation post-cure obtains exterior corrosion-resistant and high-temperature resistant coating.
- A kind of 7. preparation method of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina for described in claim 1, it is characterised in that： The preparation method of the membrane component stent is to cut two from the steel pipe of required diameter and wall thickness or on the steel plate of required thickness A annulus group and six pieces of gussets, then annulus group and gusset is integrally welded.
- A kind of 8. preparation method of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina for described in claim 2, it is characterised in that： The preparation method of the end cap is that the steel plate of required thickness is cut into disk, then processes required centre bore and corresponding Flange hole, in the central tube of central hole insertion certain length, the external end head of central tube is welded with flange, and one end of reinforcing ring passes through Welding is connected with disk, and the outer wall of the other end and central tube welds together.
- A kind of 9. preparation method of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina for described in claim 3, it is characterised in that： After the preparation method of the end cap is die sinking casting one-pass molding, then obtain through over mechanical processing.
- 10. according to the preparation method of claim 1-3 any one of them novel high pressure-resistant corrosion-resistant and high-temperature resistant putaminas, its feature It is：The housing, membrane component stent or end cap are obtained by being molded one-pass molding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711488507.6A CN107986398A (en) | 2017-12-29 | 2017-12-29 | A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711488507.6A CN107986398A (en) | 2017-12-29 | 2017-12-29 | A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744986A (en) * | 2018-07-20 | 2018-11-06 | 芜湖新瑟安智能科技有限公司 | A kind of wound membrane element |
| CN114872868A (en) * | 2022-04-28 | 2022-08-09 | 威海光晟航天航空科技有限公司 | External pressure resistant cabin structure and preparation method thereof |
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| CN205517289U (en) * | 2016-04-05 | 2016-08-31 | 贵阳时代沃顿科技有限公司 | End cover of formula of book film element |
| CN107321185A (en) * | 2017-08-14 | 2017-11-07 | 舟山青兰科技有限公司 | A kind of putamina and device for corrosive liquids reverse osmosis treatment device |
| CN207877331U (en) * | 2017-12-29 | 2018-09-18 | 厦门江天智能仿生科技有限公司 | A kind of novel high pressure-resistant corrosion-resistant and high-temperature resistant putamina |
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| CN114872868A (en) * | 2022-04-28 | 2022-08-09 | 威海光晟航天航空科技有限公司 | External pressure resistant cabin structure and preparation method thereof |
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