CN107694296A - The dry machine of new membrane - Google Patents
The dry machine of new membrane Download PDFInfo
- Publication number
- CN107694296A CN107694296A CN201711056740.7A CN201711056740A CN107694296A CN 107694296 A CN107694296 A CN 107694296A CN 201711056740 A CN201711056740 A CN 201711056740A CN 107694296 A CN107694296 A CN 107694296A
- Authority
- CN
- China
- Prior art keywords
- hollow fibre
- dry
- fibre filament
- gas passage
- membrane cartridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 78
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000001704 evaporation Methods 0.000 claims abstract description 13
- 230000008020 evaporation Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 20
- 238000009954 braiding Methods 0.000 claims description 3
- 238000005374 membrane filtration Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 8
- 235000012489 doughnuts Nutrition 0.000 abstract description 7
- -1 tank body Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 206010008631 Cholera Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000001848 dysentery Diseases 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/268—Drying gases or vapours by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
- B01D2053/223—Devices with hollow tubes
- B01D2053/224—Devices with hollow tubes with hollow fibres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention discloses a kind of dry machine of new membrane, including tank body, air inlet pipe, escape pipe and vapor blast pipe, hollow fibre filament membrane cartridge is provided with tank body, vapor evaporation chamber is provided between hollow fibre filament membrane cartridge and inner tank wall, dividing plate is provided with tank body, mounting hole is provided with dividing plate, dividing plate, hollow fibre filament membrane cartridge is respectively arranged with inlet chamber and dries gas discharge chamber up and down, dry in gas discharge chamber and be provided with guide valve, the air inlet connected with drying gas discharge chamber is provided with guide valve, hollow fibre filament membrane cartridge is radially equipped with dry gas passage, gas passage upper end is dried to connect with guide valve, lower end connects with vapor evaporation chamber；The present invention is by being provided with guide valve and being radially equipped with dry gas passage in hollow fibre filament membrane cartridge, compressed air filtering drying efficiency can be not only improved using gas passage is dried, and dry gas passage and be advantageous to dry doughnut cortina filter core, improve hollow fibre filament membrane cartridge service efficiency.
Description
Technical field
The invention belongs to the technical field of cold air jet machine part, more particularly to a kind of dry machine of new membrane.
Background technology
In the machining process of metal, due to, because cutting can produce substantial amounts of heat, being such as not added between cutter and workpiece
With cooling, there can be many adverse effects to the physicochemical property of machining accuracy and workpiece；The existing type of cooling includes coolant
Cooling and air cooling；Air cooling is convenient due to having the advantages that to use, store, keep a public place clean and handle, and to environment and operator's body
Body health will not cause negative consequence, and using relatively low with processing cost, therefore, air cooling metal machining (dry-type processing) is universal
It is taken seriously.
In the prior art, after compressed air is by secondary filtration (+0.01 μm of filter of 1 μm of filter), into drying tower
In be dried, be to carry out absorption type by the granular adsorption material that is process of chemicals dust of many to do inside drying tower
Dry, necessarily having partial particulate in the production and use process can be because of the pressure change inside filling and drying receptacle repeatedly
And crush and produce dust；In cold air jet machine, this dust is not just discharged to by processing directly with compressed air
In air, serious threat operator and other staff's health；Actually to completely cut off this dust cost be it is very high,
Compressed air must directly blow to processing district with bigger pressure (0.1Mpa) and flow velocity in actually process is cooled down, such as
Fruit, which adds dust separation net, can only reduce the air pressure and flow velocity of outlet, and dust separation net is also required to frequent replacing in addition；
It is not intended to what is seen using the increase of upper trouble and cost and using unit caused by so.
The content of the invention
In view of this, in order to overcome prior art the defects of, should it is an object of the invention to provide a kind of dry machine of new membrane
The dry machine of new membrane utilizes drying by being provided with guide valve and being radially equipped with dry gas passage in hollow fibre filament membrane cartridge
Gas passage can not only improve compressed air filtering drying efficiency, and dry gas passage and be advantageous to doughnut cortina filter core
Dried, improve hollow fibre filament membrane cartridge service efficiency.
In order to achieve the above object, the invention provides a kind of dry machine of new membrane, including tank body and installed in tank base
Covered with the lower installation lid at top and upper installation, hollow fibre filament membrane cartridge is provided with the tank body, the lower installation, which covers, to be set
The air inlet pipe connected with tank body is equipped with, the upper installation covers the escape pipe for being provided with and being connected with tank body, the tank body side
Vapor blast pipe is provided with wall, is provided between the hollow fibre filament membrane cartridge and inner tank wall and vapor blast pipe
The vapor evaporation chamber of connection, dividing plate is provided with the tank body, is provided with the middle part of the dividing plate for installing fixed hollow fibre
The mounting hole of cortina filter core bottom is tieed up, is formed between the dividing plate, hollow fibre filament membrane cartridge and lower installation lid and connected with air inlet pipe
Logical inlet chamber, form the drying gas connected with escape pipe between the hollow fibre filament membrane cartridge top and upper installation lid and be vented
Chamber, guide valve is provided with the dry gas discharge chamber, the air inlet connected with drying gas discharge chamber is provided with the guide valve
Mouthful, the hollow fibre filament membrane cartridge is radially equipped with dry gas passage, and the dry gas passage upper end connects with guide valve, under
End connects with vapor evaporation chamber.
Further, the guide valve includes hollow valve body, and the air guide chamber connected with air inlet, institute are provided with the valve body
State body base and be provided with the exhaust post extended downwardly in the dry gas passage of set loading, be provided with the exhaust post for connecting
Air guide chamber and the exhaust passage for drying gas passage.
Further, the exhaust post is arranged to no less than 3 and is uniformly arranged on body base.
Further, the hollow fibre filament membrane cartridge includes outer membrane and inner membrance, and the inner membrance is covered in the interior of the outer membrane
On side, the outer membrane and the inner membrance are all formed by hollow fibre braiding, and filter opening is designed with the outer membrane and the inner membrance,
The filter opening aperture of the outer wall is more than the aperture of the inner membrance filter opening.
Further, the air discharge duct for connecting air guide chamber and vapor evaporation chamber is provided with the valve outer wall.
Further, the hollow fibre filament membrane cartridge bottom is provided with taper surface, and the dry gas passage lower end outlet is equal
It is arranged on taper surface.
Compared with prior art, the present invention has the advantages that：
1st, the dry machine of new membrane of the present invention is by being provided with guide valve and being radially equipped with hollow fibre filament membrane cartridge dry
Pathogenic dryness passage, compressed air filtering drying efficiency can be not only improved using gas passage is dried, and dry gas passage and be advantageous to
Doughnut cortina filter core is dried, improves hollow fibre filament membrane cartridge service efficiency；
2nd, hollow fiber membrane of the present invention is a kind of filtering filter material, tubulose fine rule of the shape as suction pipe, there is quantity on wall
Extremely more diameters only has 0.01 μm~0.1 μm of ultra tiny filter opening, because aperture ratio bacterium is small, therefore is commonly used in life
In go coliform in water removal, dysentery bacillus, sramana's formula bacterium, cholera bacteria, tulase, etc. most bacterium, and may filter that mould spore
Son and water pipe get rusty caused red rust dirty substance.To be operated under its Room-temperature low-pressure, without the distinguishing feature such as phase transformation, energy consumption be low
As a kind of standard of separation process, it is widely used in a variety of applications in developed countries and regions such as America and Europes；
3rd, the dry machine of new membrane of the present invention can separate in compressed air contained vapor using hollow fiber membrane, during operation with
The pressure differential of hollow armilla filtering core inner membrance both sides is driving force, using hollow fiber membrane as filter medium, under pressure, is utilized
The steam partial pressure difference in outside is by outside the vapor discharge film in compressed air in hollow fiber membrane；Compressed air can so be entered
Row continuous dehumidifying；Do not need power supply, without used heat yet, therefore can also need the manufacture onsite application of high-cleanness, high, moisture is with water
Steam mode is discharged from exhaust outlet.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the structural representation of the dry machine of new membrane of the present invention；
Fig. 2 is the structural representation of hollow fibre filament membrane cartridge in the dry machine of new membrane of the present invention.
Reference：1- tank bodies；Lid is installed under 2-；Lid is installed on 3-；4- air inlet pipe；5- escape pipes；6- hollow fibre filaments
Membrane cartridge；7- inlet chambers；8- dividing plates；9- vapor evaporation chambers；10- dries gas passage；11- dries gas discharge chamber；12- air guides
Valve；13- air inlets；14- vapor discharge chambers；15- vapor blast pipes；16- taper surfaces；17- outer membranes；18- is vented post.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
It is the structural representation of the dry machine of new membrane of the present invention as shown in Figure 1；It is illustrated in figure 2 in the dry machine of new membrane of the present invention
The structural representation of hollow fibre filament membrane cartridge；A kind of dry machine of new membrane of the present invention, including tank body 1 and installed in the bottom of tank body 1
With the lower installation lid 2 at top and upper installation lid 3, hollow fibre filament membrane cartridge 6, the lower installation lid 2 are provided with the tank body 1
On be provided with the air inlet pipe 4 that connect in tank body 1, be provided with the upper installation lid 3 and the interior escape pipe 5 connected of tank body 1, institute
State and vapor blast pipe 15 is provided with the side wall of tank body 1, be provided between hollow fibre filament membrane cartridge 6 and tank body 1 inwall
The vapor evaporation chamber 9 connected with vapor blast pipe 15, dividing plate 8 is provided with the tank body 1, and the middle part of dividing plate 8 is set
There are the mounting hole for installing the fixed bottom of hollow fibre filament membrane cartridge 6, the dividing plate 8, hollow fibre filament membrane cartridge 6 and lower peace
The inlet chamber 7 connected with air inlet pipe 4 is formed between capping 2, between the top of hollow fibre filament membrane cartridge 6 and upper installation lid 3
The drying gas discharge chamber 11 connected with escape pipe 5 is formed, guide valve 12, the air guide are provided with the dry gas discharge chamber 11
The air inlet 13 connected with drying gas discharge chamber 11 is provided with valve 12, the radial direction of hollow fibre filament membrane cartridge 6 is equipped with dry
Pathogenic dryness passage 10, the dry upper end of gas passage 10 connect with guide valve 12, and lower end connects with vapor evaporation chamber 9.
The present embodiment is by being provided with guide valve and being radially equipped with dry gas passage in hollow fibre filament membrane cartridge, profit
Compressed air filtering drying efficiency can be not only improved with gas passage is dried, and dries gas passage and is advantageous to hollow fibre filament
Membrane cartridge is dried, and improves hollow fibre filament membrane cartridge service efficiency.
Compressed air is entered in inlet chamber 7 by air inlet pipe 4 in the present embodiment, and dividing plate and hollow fibre filament membrane cartridge 6 make
Inlet chamber 7 forms confined space, and compressed air enters hollow fibre filament membrane filtration from one end high pressure end of doughnut cortina filter core 6
In core 6, macromolecule and vapor overflow from the outer wall of doughnut cortina filter core 6, and compressed air passes through hollow fibre filament membrane filtration
Core 6 enters after drying from the top of filter core 6 to be dried in gas discharge chamber 11, and most of dry gas is discharged from escape pipe 5, sub-fraction
Dry gas is entered in guide valve 12 by air inlet 13, enters vapor evaporation chamber 9 along gas passage 10 is dried, vapor is waved
Vapor and dust in hair chamber 9 are dried and handled.
Further, the preferable guide valve 12 includes hollow valve body, is provided with what is connected with air inlet in the valve body
Air guide chamber, the body base, which is provided with, extends downwardly the exhaust post 18 that set loads in dry gas passage 10, the exhaust post 18
Inside it is provided with for connecting air guide chamber and drying the exhaust passage of gas passage 10, the structure is advantageous to not only facilitate using being vented post
Dry gas is inputted in doughnut cortina, and is advantageous to improve guide valve efficiency, the convenient fixed hollow fibre filament of installation
Film device, improve hollow fibre filament film device service efficiency.
Further, the preferable exhaust post is arranged to no less than 3 and is uniformly arranged on body base, is advantageous to improve
Guide valve efficiency, the convenient fixed hollow fibre filament film device of installation, improves hollow fibre filament film device service efficiency.
Further, the preferable hollow fibre filament membrane cartridge includes outer membrane 17 and inner membrance, and the inner membrance is covered in described
On the medial surface of outer membrane, the outer membrane and the inner membrance are all formed by hollow fibre braiding, on the outer membrane and the inner membrance all
Provided with filter opening, the filter opening aperture of the outer wall is more than the aperture of the inner membrance filter opening.
Further, the exhaust for connecting air guide chamber and vapor evaporation chamber 9 is provided with the preferable valve outer wall
Groove, not at grade, the structure is advantageous in valve outer wall for the center line and valve body center line of the preferable air discharge duct
Upper 9 form spiral air flow, improve the effect that dry gas enters doughnut cortina outer wall.
Further, the preferable hollow fibre filament membrane cartridge bottom is provided with taper surface 16, the dry gas passage 10
Lower end outlet is arranged on taper surface 16, and the structure is advantageous to imitate using the filter area and filtering of hollow fibre filament membrane cartridge
Rate, particularly in cylindrical filter element its lower edge, high humidity, containing water vapor amount is high, using taper surface 16 and dries gas passage
10 combining structures are advantageous to start to make filter core its lower edge vapor volatilize, and are advantageous to make to dry at the outer membrane of filter core bottom, carry
High filter core filters ability, improve hollow fibre filament membrane cartridge service efficiency.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
1. a kind of dry machine of new membrane, including tank body and the lower installation lid installed in tank base and top and upper installation lid, described
Be provided with hollow fibre filament membrane cartridge in tank body, the lower installation covers the air inlet pipe for being provided with and being connected with tank body, it is described on
Installation covers the escape pipe for being provided with and being connected with tank body, and vapor blast pipe is provided with the tank wall, described hollow
The vapor evaporation chamber connected with vapor blast pipe is provided between filament membrane cartridge and inner tank wall, it is characterised in that：
Dividing plate is provided with the tank body, the installation for installing fixed hollow fibre filament membrane cartridge bottom is provided with the middle part of the dividing plate
Hole, the inlet chamber connected with air inlet pipe, the hollow fibre are formed between the dividing plate, hollow fibre filament membrane cartridge and lower installation lid
Tie up and the drying gas discharge chamber connected with escape pipe is formed between cortina cartridge top and upper installation lid, in the dry gas discharge chamber
Guide valve is provided with, the air inlet connected with drying gas discharge chamber, the hollow fibre filament membrane filtration are provided with the guide valve
Core diameter connects to dry gas passage, the dry gas passage upper end is equipped with guide valve, and lower end connects with vapor evaporation chamber.
2. the dry machine of new membrane according to claim 1, it is characterised in that：The guide valve includes hollow valve body, the valve
The air guide chamber connected with air inlet is provided with vivo, and the body base, which is provided with, to be extended downwardly in the dry gas passage of set loading
Post is vented, the exhaust passage for connecting air guide chamber and drying gas passage is provided with the exhaust post.
3. the dry machine of new membrane according to claim 2, it is characterised in that：The exhaust post is arranged to no less than 3 and equal
It is even to be arranged on body base.
4. the dry machine of new membrane according to any one of claims 1 to 3, it is characterised in that：The hollow fibre filament membrane cartridge
Including outer membrane and inner membrance, the inner membrance is covered on the medial surface of the outer membrane, and the outer membrane and the inner membrance are all by hollow fibre
Dimension braiding forms, and filter opening is designed with the outer membrane and the inner membrance, the filter opening aperture of the outer wall is more than the inner membrance filter opening
Aperture.
5. the dry machine of new membrane according to claim 2, it is characterised in that：It is provided with the valve outer wall and is led for connection
The air discharge duct of air cavity and vapor evaporation chamber.
6. the dry machine of new membrane according to claim 3, it is characterised in that：The hollow fibre filament membrane cartridge bottom is provided with
Taper surface, the dry gas passage lower end outlet are arranged on taper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056740.7A CN107694296A (en) | 2017-10-27 | 2017-10-27 | The dry machine of new membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711056740.7A CN107694296A (en) | 2017-10-27 | 2017-10-27 | The dry machine of new membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107694296A true CN107694296A (en) | 2018-02-16 |
Family
ID=61178131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711056740.7A Pending CN107694296A (en) | 2017-10-27 | 2017-10-27 | The dry machine of new membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107694296A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07232024A (en) * | 1994-02-23 | 1995-09-05 | Koganei Corp | Apparatus for purifying and dehumidifying compressed air |
| JPH1031092A (en) * | 1996-07-15 | 1998-02-03 | Toshiba Corp | Exhaust gas drier and radioactive gas waste disposal device for nuclear power plant having the drier |
| US20030047077A1 (en) * | 2001-09-07 | 2003-03-13 | Salvatore Giglia | Hollow fiber membrane system assembly with an internal reflux system |
| CN2916214Y (en) * | 2006-07-12 | 2007-06-27 | 刘芳 | Self-cleaning pneumatic pump |
| CN101678280A (en) * | 2007-04-17 | 2010-03-24 | 纽约气闸公司 | Membrane air dryer with sweep air control |
| CN201744280U (en) * | 2010-03-19 | 2011-02-16 | 张隆华 | High molecular hollow membrane compressed gas dehumidifier |
| US20120118145A1 (en) * | 2010-11-12 | 2012-05-17 | The Texas A&M University System | System and method for efficient air dehumidification and liquid recovery |
| WO2013148262A1 (en) * | 2012-03-28 | 2013-10-03 | Rasirc | Method of delivering a process gas from a multi-component solution |
| CN207371323U (en) * | 2017-10-27 | 2018-05-18 | 重庆华晨智创数控设备有限公司 | The dry machine of film |
-
2017
- 2017-10-27 CN CN201711056740.7A patent/CN107694296A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07232024A (en) * | 1994-02-23 | 1995-09-05 | Koganei Corp | Apparatus for purifying and dehumidifying compressed air |
| JPH1031092A (en) * | 1996-07-15 | 1998-02-03 | Toshiba Corp | Exhaust gas drier and radioactive gas waste disposal device for nuclear power plant having the drier |
| US20030047077A1 (en) * | 2001-09-07 | 2003-03-13 | Salvatore Giglia | Hollow fiber membrane system assembly with an internal reflux system |
| CN2916214Y (en) * | 2006-07-12 | 2007-06-27 | 刘芳 | Self-cleaning pneumatic pump |
| CN101678280A (en) * | 2007-04-17 | 2010-03-24 | 纽约气闸公司 | Membrane air dryer with sweep air control |
| CN201744280U (en) * | 2010-03-19 | 2011-02-16 | 张隆华 | High molecular hollow membrane compressed gas dehumidifier |
| US20120118145A1 (en) * | 2010-11-12 | 2012-05-17 | The Texas A&M University System | System and method for efficient air dehumidification and liquid recovery |
| WO2013148262A1 (en) * | 2012-03-28 | 2013-10-03 | Rasirc | Method of delivering a process gas from a multi-component solution |
| CN207371323U (en) * | 2017-10-27 | 2018-05-18 | 重庆华晨智创数控设备有限公司 | The dry machine of film |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20180216 |