CN108310881A - A kind of natural gas filter - Google Patents
A kind of natural gas filter Download PDFInfo
- Publication number
- CN108310881A CN108310881A CN201810127226.6A CN201810127226A CN108310881A CN 108310881 A CN108310881 A CN 108310881A CN 201810127226 A CN201810127226 A CN 201810127226A CN 108310881 A CN108310881 A CN 108310881A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- cyclone
- filter
- outlet
- cylinder
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 239000003345 natural gas Substances 0.000 title claims abstract description 80
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000012535 impurity Substances 0.000 claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000007787 solid Substances 0.000 abstract description 14
- 239000003595 mist Substances 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cyclones (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of natural gas filters, it includes cylinder, the natural gas air inlet in cylinder periphery is arranged, natural gas gas outlet, impurity outlet and discharge outlet, cyclone and filter device in inner barrel is arranged in the blind plate that is arranged above cylinder, the end socket being arranged below cylinder, the feed inlet of the cyclone is connected with natural gas air inlet, it is connected with impurity outlet below the cyclone, it is provided with filter device above the cyclone, the outlet of the filter device is connected with natural gas gas outlet；The separation of natural gas gas, solid impurity and liquid mist can be completely independent by the present invention, can by filter separator solid impurity and liquid mist be completely exhausted out, achieve the purpose that be kept completely separate out pure natural gas, by the way that displacement pipe is arranged on the outside of cylinder, filter device and cyclone can be cleaned by replacing pipe, extend the service life of filter device and cyclone.
Description
Technical field
The present invention relates to a kind of filter separator more particularly to a kind of natural gas filters, belong to natural gas transportation
Equipment technical field.
Background technology
Its hot gas refers to the mixture for naturally containing hydro carbons and non-hydrocarbon gases in stratum, and composition is with hydro carbons
It is main, and contain non-hydrocarbon gas, have a wide range of application, natural gas is mainly used for making fuel, can manufacture carbon black, chemicals and liquid
Liquefied oil gas, natural gas is contained in underground porous gap rock stratum, including casing-head gas, reservoir gas, coal bed gas, gas of mud volcano and biology
Gas etc. is generated, since day hot gas is typically exploited in the wild, so needing to be transported by pipeline, due in gas
Impurity can accelerate the corrosion of pipeline and equipment, the transfer efficiency of pipeline is reduced, so must go to for the impurity in day hot gas
It removes.
In the prior art, the filter plant wide variety of natural gas, wherein filter separator are exactly one such, but by
In existing filter separator filter core at non-dismountable state, the time grown be easy to cause filter core blocking, and then influence filtering point
From efficiency, and thoroughly solid particle polluter, liquid mist and natural gas thoroughly cannot be distinguished in existing filter separator, into
And influence natural gas separating effect.
Invention content
For problems of the prior art, the present invention provides a kind of natural gas filters, solve existing
Natural gas filter low separation efficiency in technology cannot be completely separated out the problem of pure natural gas.
The technical solution adopted in the present invention is：A kind of natural gas filter comprising cylinder, setting are justified in cylinder
Natural gas air inlet, natural gas gas outlet, impurity outlet and the discharge outlet of circumferential surface, the blind plate being arranged above cylinder, setting
Cyclone and filter device in inner barrel, the feed inlet and day of the cyclone is arranged in end socket below cylinder
Right gas air inlet is connected, and is connected with impurity outlet below the cyclone, is provided with above the cyclone
Device is filtered, the outlet of the filter device is connected with natural gas gas outlet.
Preferably, the cyclone includes whirlwind bottom plate, whirlwind cover board and cyclone cluster, and the whirlwind bottom plate is arranged in cylinder
The junction in internal portion and end socket, the region formed between the whirlwind bottom plate lower section and end socket is blowdown chamber, the whirlwind bottom
The centrally disposed mudhole for being useful for connection cyclone cluster and blowdown chamber of plate, the outlet of the blowdown chamber are connected with impurity outlet,
The cyclone cluster is arranged above whirlwind bottom plate, and the whirlwind cover board is arranged above cyclone cluster, setting inside the cyclone cluster
There is whirlpool blade.
Preferably, the filter device includes filter element frame and filter core, and the filter element frame setting is used in filter core surrounding
The fixed filter core of closing, the filter core are set as Totally-enclosed-type filter element frame, institute with the left side of filter element frame connection and top
It states the right side of filter core and filter element frame connection and bottom and is set as type semienclosed filter element frame, the filter core goes out with natural gas
The air storing cavity for storing natural gas is provided between gas port, the filter core bottom is provided with fluid collection chamber, and the fluid collection chamber goes out
Mouth is connected with discharge outlet.
Preferably, height such as natural gas gas outlets is provided with displacement pipe on the outside of the cylinder.
Preferably, there are two the cyclone settings.
Preferably, the filter core uses wire mesh demister component.
Preferably, it is detachably connected between the filter core and filter element frame.
Preferably, connector drum is provided with above the blind plate and can be by L-type pivoted arm that filter separator has been hung.
Preferably, it is provided with the supporting leg for being used to support cylinder above the cylinder.
The advantageous effect that the present invention reaches is：The present invention provides a kind of natural gas filters, are filtered by being arranged
The separation of natural gas gas, solid impurity and liquid mist can be completely independent by device and cyclone, respectively with it is corresponding natural
Gas gas outlet, impurity outlet and discharge outlet, the setting can by filter separator solid impurity and liquid mist be completely exhausted out, reach
It, can be by replacing pipe to filtering by the way that displacement pipe is arranged on the outside of cylinder to the purpose for being kept completely separate out pure natural gas
Device and cyclone are cleaned, and the service life of filter device and cyclone is extended.
Description of the drawings
The following further describes the present invention with reference to the drawings,
Fig. 1 is the front view of the present invention；
Fig. 2 is the structural schematic diagram of whirlpool blade in the present invention；
Wherein, 1, cylinder, 11, natural gas air inlet, 12, natural gas gas outlet, 13, impurity outlet, 14, discharge outlet, 15, blind
Plate, 16, end socket, 17, displacement pipe, 18, L-type pivoted arm, 19, supporting leg, 2, cyclone, 21, whirlwind bottom plate, 22, whirlwind cover board,
23, cyclone cluster, 24, blowdown chamber, 25, whirlpool blade, 26, mudhole, 3, filter device, 31, filter element frame, 32, filter core, 33,
Air storing cavity, 34, fluid collection chamber.
Specific implementation mode
The following further describes the specific embodiments of the present invention with reference to the drawings.
The technical solution adopted in the present invention is：As shown in Figure 1 to Figure 2, a kind of natural gas filter comprising cylinder
The natural gas air inlet 11 in 1 periphery of cylinder, natural gas gas outlet 12, impurity outlet 13 and discharge outlet 14 is arranged in body 1,
The blind plate 15 that is arranged above cylinder 1, the end socket 16 being arranged below cylinder 1,2 and of cyclone being arranged inside cylinder 1
The feed inlet of filter device 3, the cyclone 2 is connected with natural gas air inlet 11,2 lower section of the cyclone and impurity
Outlet 13 is connected, and 2 top of the cyclone is provided with filter device 3, and outlet and the natural gas of the filter device 3 go out
Gas port 12 is connected.
In this application, the natural gas containing dust and liquid mist enters the whirlwind inside cylinder 1 by natural gas air inlet 11
In device 2, when cyclone 2 is rotated, gas flow will produce strong vortex movement, to form very strong centrifugation
Power so that solid particle is attached on 2 inner wall of cyclone；Impurity is gathered in 2 lower section of cyclone after being separated in air-flow
And it is discharged by impurity outlet 13；Purified natural gas gas then leaves cyclone with minimum crushing and entered
Device 3 is filtered, the liquid mist in natural gas is assembled downwards and is discharged by discharge outlet 14, clean natural gas passes through natural gas
Gas outlet 12 is discharged.
The application, can be miscellaneous by the solid in the natural gas containing dust and liquid mist by the way that cyclone and filter device is arranged
Matter, liquid mist are kept completely separate with pure natural gas and come, and have achieved the purpose that be kept completely separate out pure natural gas.
Preferable scheme is that the cyclone 2 includes whirlwind bottom plate 21, whirlwind cover board 22 and cyclone cluster 23, the rotation
The junction in 1 inside and end socket 16 of cylinder is arranged in wind bottom plate 21, is formed between 21 lower section of the whirlwind bottom plate and end socket 16
Region is blowdown chamber 24, and the whirlwind bottom plate 21 is centrally disposed to be useful for the mudhole 26 of connection cyclone cluster 23 and blowdown chamber 24,
The outlet of the blowdown chamber 24 is connected with impurity outlet 13, and the cyclone cluster 23 is arranged above whirlwind bottom plate 21, the rotation
Windshield plate 22 is arranged above cyclone cluster 23, and the cyclone cluster 23 is internally provided with whirlpool blade 25.
The junction in 1 inside and end socket 16 of cylinder is arranged in whirlwind bottom plate 21, and 21 top of whirlwind bottom plate is provided with cyclone cluster
23, whirlwind bottom plate 21 is mainly used for separating cyclone cluster 23 and the blowdown chamber 24 positioned at 21 bottom of whirlwind bottom plate, 23 top of cyclone cluster
It is provided with whirlwind cover board 22, the use of whirlwind cover board 22 avoids the solid impurity separated and enters filter device 3, ensures
The effect of separation.
Natural gas containing dust and liquid mist is entered by natural gas air inlet 11 in the cyclone 2 inside cylinder 1, whirlwind
Whirlpool blade 25 in machine 23 is rotated, and gas flow will produce strong vortex movement, to form very strong centrifugation
Power so that solid particle is attached on 23 inner wall of cyclone cluster；Impurity passes through the row on whirlwind bottom plate 21 after being separated in air-flow
Dirty hole 26 drains into impurity in the blowdown chamber 24 of the lower section of whirlwind bottom plate 21, when the accumulation of impurities in blowdown chamber 24 to a certain extent
Afterwards, impurity is discharged by impurity outlet 13.
Preferable scheme is that the filter device 3 includes filter element frame 31 and filter core 32, the setting of the filter element frame 31 exists
For closing fixed filter core 32, the filter core 32 is set as 32 surrounding of filter core with the left side of 31 connection of filter element frame and top
Totally-enclosed-type filter element frame, the filter core 32 are set as type semienclosed filter core with the right side of 31 connection of filter element frame and bottom
Frame is provided with the air storing cavity 33 for storing natural gas, the filter core 32 between the filter core 32 and natural gas gas outlet 12
Bottom is provided with fluid collection chamber 34, and the outlet of the fluid collection chamber 34 is connected with discharge outlet 14.
32 surrounding of filter core is closed and is fixed by filter element frame 31, wherein the filter core frame being connected with air storing cavity 33
Frame 31 is arranged to semiclosed pattern, to make purified natural gas enter in air storing cavity 33, and then by natural gas from gas storage
The natural gas gas outlet 12 that chamber 33 is connected is discharged, and the uninterrupted of natural gas, the same day are adjusted according to the needs of actual use
When the usage amount of right gas becomes larger, air storing cavity 33 can continue to provide the natural gas needed there are one cushioning effect；It will be with fluid collection chamber
34 connected filter element frames 31 are arranged to semiclosed pattern, and the liquid mist in natural gas can condense into drop, drop by filter core 32
Since the effect of gravity is fallen into the fluid collection chamber 34 below filter core, and then drop is discharged by discharge outlet 14, has reached independence
The effect of separating solid impurities and liquid mist.
Preferable scheme is that 1 outside of the cylinder is highly provided with displacement pipe 17 with natural gas gas outlet 12 etc., by setting
Changing pipe 17 can be connected with extraneous water source or air source, can by water source or air source in cylinder 1 cyclone 2 and filtering
Device 3 is cleaned, and the service life of cyclone 2 and filter device 3 is extended.
Preferable scheme is that there are two the settings of the cyclone 2, by the way that two cyclones 2 are arranged, increase natural
The efficiency of gas filtering.
Preferable scheme is that the filter core 32 uses wire mesh demister component, wire mesh demister component to be replaceable or can
The filter element assembly cleaned repeatedly, it is main to intercept solid particle minimum in natural gas, and spray is agglomerated, so that drop is being divided
It is removed to greatest extent from device.
Preferable scheme is that being detachably connected between the filter core 32 and filter element frame 31.
Preferable scheme is that the L-type that 15 top of the blind plate is provided with connector drum 1 and can hang filter separator
Filter separator integral hanging can be got up by L-type pivoted arm, filter separator made to be readily transported by pivoted arm.
Preferable scheme is that 1 top of the cylinder is provided with the supporting leg 19 for being used to support cylinder 1, supporting leg 19 plays branch
Support the effect of filter separator.
The operation principle of the present invention is that the natural gas containing dust and liquid mist enters inner barrel by natural gas air inlet
In cyclone, the whirlpool blade in cyclone cluster is rotated, and gas flow will produce strong vortex movement, to be formed
Very strong centrifugal force so that solid particle is attached on cyclone cluster inner wall；Impurity passes through whirlwind bottom plate after being separated in air-flow
On mudhole impurity is drained into the blowdown chamber below whirlwind bottom plate, when the accumulation of impurities in blowdown chamber to a certain extent after,
Impurity is discharged by impurity outlet；Drop in the minimum solid particle and natural gas that are mingled in natural gas, natural gas to
Upper movement intercepts solid particle minimum in natural gas by filter core, and spray is agglomerated, the spray after cohesion
Form water droplet, water droplet falls into the fluid collection chamber below filter device, when in fluid collection chamber water droplet gather to a certain degree after, pass through row
Water droplet is discharged at the mouth of a river.
The above are preferred embodiments of the present invention, is not intended to limit the present invention in any form, every foundation
Technical spirit any simple modification, equivalent change and modification made to the above embodiment of the present invention, belong to inventive technique
In the range of scheme.
Claims (9)
1. a kind of natural gas filter comprising cylinder, the natural gas air inlet, the natural gas that are arranged in cylinder periphery go out
Gas port, impurity outlet and discharge outlet, the blind plate being arranged above cylinder, are arranged in cylinder the end socket being arranged below cylinder
Internal cyclone and filter device, which is characterized in that the feed inlet of the cyclone is connected with natural gas air inlet,
It is connected with impurity outlet below the cyclone, filter device, the filtering dress is provided with above the cyclone
The outlet set is connected with natural gas gas outlet.
2. a kind of natural gas filter according to claim 1, which is characterized in that the cyclone includes whirlwind
Bottom plate, whirlwind cover board and cyclone cluster, the whirlwind bottom plate are arranged the junction in inner barrel and end socket, under the whirlwind bottom plate
The region formed between side and end socket is blowdown chamber, and the whirlwind bottom plate is centrally disposed to be useful for connection cyclone cluster and blowdown chamber
The outlet of mudhole, the blowdown chamber is connected with impurity outlet, and the cyclone cluster is arranged above whirlwind bottom plate, the whirlwind
Cover board is arranged above cyclone cluster, and the cyclone cluster is internally provided with whirlpool blade.
3. a kind of natural gas filter according to claim 1, which is characterized in that the filter device includes filter core
Frame and filter core, in filter core surrounding for closing fixed filter core, the filter core is connected with filter element frame for the filter element frame setting
The left side and top at the place of connecing are set as Totally-enclosed-type filter element frame, the right side and bottom of the filter core and filter element frame connection
It is set as type semienclosed filter element frame, the gas storage for storing natural gas is provided between the filter core and natural gas gas outlet
Chamber, the filter core bottom are provided with fluid collection chamber, and the outlet of the fluid collection chamber is connected with discharge outlet.
4. a kind of natural gas filter according to claim 1, which is characterized in that the cylinder outside and natural gas
The height such as gas outlet is provided with displacement pipe.
5. a kind of natural gas filter according to claim 1, which is characterized in that the cyclone is provided with two
It is a.
6. a kind of natural gas filter according to claim 3, which is characterized in that the filter core uses silk screen foam removal
Device assembly.
7. a kind of natural gas filter according to claim 6, which is characterized in that the filter core and filter element frame it
Between be detachably connected.
8. a kind of natural gas filter according to claim 6, which is characterized in that the company of being provided with above the blind plate
Connect cylinder body simultaneously can be by L-type pivoted arm that filter separator has been hung.
9. a kind of natural gas filter according to claim 6, which is characterized in that setting is useful above the cylinder
In the supporting leg of support cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127226.6A CN108310881A (en) | 2018-02-08 | 2018-02-08 | A kind of natural gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810127226.6A CN108310881A (en) | 2018-02-08 | 2018-02-08 | A kind of natural gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108310881A true CN108310881A (en) | 2018-07-24 |
Family
ID=62903256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810127226.6A Pending CN108310881A (en) | 2018-02-08 | 2018-02-08 | A kind of natural gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108310881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979093A (en) * | 2020-08-28 | 2020-11-24 | 甘文涛 | Enzyme preparation apparatus for producing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201399311Y (en) * | 2009-03-06 | 2010-02-10 | 江苏锦益环保设备有限公司 | Cyclone filtering dust catcher |
| CN201567321U (en) * | 2009-10-24 | 2010-09-01 | 威海广泰环保科技有限公司 | Separation device for removing solid-liquid impurities in natural gas |
| CN103055643A (en) * | 2012-12-11 | 2013-04-24 | 上海巴安水务股份有限公司 | Multi-tube micro cyclone filter separator |
| CN203355532U (en) * | 2012-12-31 | 2013-12-25 | 无锡伊诺特石化机械设备有限公司 | Natural gas filter |
| CN203999537U (en) * | 2014-06-27 | 2014-12-10 | 成都伊斯顿过滤器有限公司 | Natural gas conditioning tripping device |
| CN208049653U (en) * | 2018-02-08 | 2018-11-06 | 江苏优耐特过滤装备有限公司 | A kind of natural gas filter |
-
2018
- 2018-02-08 CN CN201810127226.6A patent/CN108310881A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201399311Y (en) * | 2009-03-06 | 2010-02-10 | 江苏锦益环保设备有限公司 | Cyclone filtering dust catcher |
| CN201567321U (en) * | 2009-10-24 | 2010-09-01 | 威海广泰环保科技有限公司 | Separation device for removing solid-liquid impurities in natural gas |
| CN103055643A (en) * | 2012-12-11 | 2013-04-24 | 上海巴安水务股份有限公司 | Multi-tube micro cyclone filter separator |
| CN203355532U (en) * | 2012-12-31 | 2013-12-25 | 无锡伊诺特石化机械设备有限公司 | Natural gas filter |
| CN203999537U (en) * | 2014-06-27 | 2014-12-10 | 成都伊斯顿过滤器有限公司 | Natural gas conditioning tripping device |
| CN208049653U (en) * | 2018-02-08 | 2018-11-06 | 江苏优耐特过滤装备有限公司 | A kind of natural gas filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111979093A (en) * | 2020-08-28 | 2020-11-24 | 甘文涛 | Enzyme preparation apparatus for producing |
| CN111979093B (en) * | 2020-08-28 | 2023-11-17 | 北京盛拓达生物技术有限公司 | Enzyme preparation apparatus for producing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |