CN106010671B - Intensive biomass pyrolysis gasification gas purification device - Google Patents
Intensive biomass pyrolysis gasification gas purification device Download PDFInfo
- Publication number
- CN106010671B CN106010671B CN201610495224.3A CN201610495224A CN106010671B CN 106010671 B CN106010671 B CN 106010671B CN 201610495224 A CN201610495224 A CN 201610495224A CN 106010671 B CN106010671 B CN 106010671B
- Authority
- CN
- China
- Prior art keywords
- tower
- gas
- liquid separation
- hole
- water cooling
- 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.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
- C10K1/046—Reducing the tar content
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
- C10K1/06—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials combined with spraying with water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/10—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
- C10K1/12—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/32—Purifying combustible gases containing carbon monoxide with selectively adsorptive solids, e.g. active carbon
Abstract
The utility model provides an intensive living beings pyrolysis gasification gas purifier, includes comprehensive absorption tower and comprehensive knockout tower, comprehensive absorption tower includes water cooling tower (1) and the alkali spray column (2) on upper portion of lower part, comprehensive knockout tower includes gas-liquid separation tower (14) and adsorption tower (15) on upper portion of lower part, and water cooling tower (1) inside is provided with water-cooled heat exchanger, and water cooling tower (1) upper portion is equipped with tube sheet net (8), and gas-liquid separation tower (14) inside is provided with down whirl board (20) by last to lower symmetrical arrangement. The two towers unification, realize the function integration of two towers on a tower, make living beings combustible gas purifier miniaturized and intensification to can reach higher purifying effect, reduce investment cost and operation maintenance expense.
Description
Technical Field
The invention relates to a purification device, in particular to an intensive biomass pyrolysis gasification gas purification device, and belongs to the technical field of biomass energy.
Background
Biomass can be a form of energy in which solar energy is stored in the form of chemical energy in living beings, directly or indirectly originating from photosynthesis in plants, the source of which includes all plants, animals and microorganisms as well as organic waste derived, excreted and metabolized from these living matter. The development and utilization of biomass resources have important significance for protecting environment, optimizing energy structure, relieving fossil energy supply pressure and the like.
The biomass pyrolysis gasification technology can convert the biofuel into the biofuel gas which is convenient to transport, store and use, but the obtained biofuel gas is crude fuel gas, contains wood tar, dust and other impurities, and cannot be directly used. Certain results have been achieved in relation to the purification of tar and dust from biomass combustible gases. The method mainly comprises a physical removal method, a thermochemical removal method and a plasma method, wherein the physical removal method mainly comprises a wet method, a dry method and an adsorption removal method, the wet removal method mainly comprises a water washing method and a spraying method, the water washing method mainly uses water to take away part of tar in the fuel gas, and the method is easy to cause smoke in the fuel gas, wastes water resources and easily causes secondary pollution; although the spraying method can fully contact with gas and achieve better removal effect, the spraying method is easy to cause smoke in the gas and the waste liquid is easy to cause pollution; the adsorption removal method is to remove impurities by using an adsorbent, and can achieve a good removal effect, but is common in small-sized purification devices due to the limitation of adsorption capacity.
Disclosure of Invention
The invention aims to provide an intensive biomass pyrolysis gasification gas purification device aiming at the defects of complex process, large occupied area, high investment cost, low economic benefit and the like of the existing biomass pyrolysis gasification gas purification device.
In order to achieve the purpose, the invention adopts the technical scheme that: an intensive biomass pyrolysis gasification gas purification device comprises a comprehensive absorption tower and a comprehensive separation tower, wherein the comprehensive absorption tower comprises a water cooling tower at the lower part and an alkali spray tower at the upper part, the bottom of the alkali spray tower is connected with the top of the water cooling tower through bolts, the top of the alkali spray tower is centrally provided with a gas outlet I, the bottom of the water cooling tower is provided with an overflow hole I, the lower part of the water cooling tower is provided with a water outlet hole and a gas inlet I, the upper part of the water cooling tower is provided with a water inlet hole and a gas outlet hole II, a water-cooled heat exchanger is arranged inside the water cooling tower, the upper part of the water cooling tower is provided with a pipe plate net, the lower part of the alkali spray tower is provided with a gas inlet hole II, the gas outlet hole II of the water cooling tower is connected with the gas inlet hole II of the alkali spray tower through a connecting pipe, a sewage discharge hole is arranged on one side opposite to the gas inlet hole II at the lower part of the alkali spray tower, two filter screens I are arranged above the sewage discharge hole inside the alkali spray tower from top to bottom, the upper part of the alkali spray tower is provided with a spray hole, the alkali spray tower is internally provided with a sprayer through the spray hole, the sprayer is positioned above two filter screens I, the comprehensive separation tower comprises a gas-liquid separation tower at the lower part and an adsorption tower at the upper part, the bottom of the gas-liquid separation tower is provided with an overflow hole II, the center of the top of the adsorption tower is provided with a gas outlet hole III, the lower part of the gas-liquid separation tower is provided with a gas inlet hole III, one side opposite to the gas inlet hole III at the upper part of the gas-liquid separation tower is provided with a gas outlet hole VI, the inside of the gas-liquid separation tower is symmetrically provided with downward spiral-flow plates from top to bottom, the lower part of the adsorption tower is provided with a gas inlet hole VI, the gas inlet hole VI of the adsorption tower is connected with the gas outlet hole VI of the gas-liquid separation tower through a connecting pipe, the adsorption tower is provided with two filter screens II from top to bottom, two filling holes are respectively arranged above the two corresponding filter screens II on the adsorption tower, and two filling holes are arranged on the upper part of one side opposite to the air inlet hole VI, and the air outlet hole I of the alkali spray tower is connected with the air inlet hole III of the gas-liquid separation tower through a connecting pipe.
The cyclone plate is semicircular, the radius of the cyclone plate is the same as that of the inner wall of the gas-liquid separation tower, and the included angle between the cyclone plate and the gas-liquid separation tower is 60 degrees.
And a Roots blower is arranged on a connecting pipe between the air outlet I of the alkali spray tower and the air inlet III of the gas-liquid separation tower.
The bottom of the water cooling tower is provided with tower supporting legs.
The bottom of the gas-liquid separation tower is provided with a tower supporting leg.
Compared with the prior art, the invention has the beneficial effects that:
the comprehensive absorption tower comprises a water cooling tower at the lower part and an alkali spray tower at the upper part, and the comprehensive separation tower comprises a gas-liquid separation tower at the lower part and an adsorption tower at the upper part; the two towers unification realize the function integration of two towers on a tower, have practiced thrift the cost, make living beings combustible gas purifier realize miniaturization and intensification to can reach higher purifying effect, reduce investment cost and operation maintenance cost, realize the popularization and application of large tracts of land.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure, water cooling tower 1, alkali spray column 2, venthole I3, overflow hole I4, apopore 5, air inlet I6, venthole II 7, pipe plate net 8, inlet port II 9, blowoff hole 10, filter screen I11, spray hole 12, spray thrower 13, gas-liquid separation tower 14, adsorption tower 15, overflow hole II 16, venthole III 17, inlet port III 18, venthole VI 19, whirl board 20, inlet port VI 21, filter screen II 22, filling hole 23, roots's fan 24, inlet opening 25.
Detailed Description
The invention is described in further detail below with reference to the following description of the drawings and the detailed description.
Referring to fig. 1, an intensive biomass pyrolysis gasification gas purification device comprises a comprehensive absorption tower and a comprehensive separation tower, wherein the comprehensive absorption tower comprises a water cooling tower 1 at the lower part and an alkali spray tower 2 at the upper part, and the bottom of the alkali spray tower 2 is connected with the top of the water cooling tower 1 by bolts; the integrated separation column includes a lower gas-liquid separation column 14 and an upper adsorption column 15.
Referring to fig. 1, the center of the top of the alkali spray tower 2 is provided with an air outlet i 3, and the bottom of the water cooling tower 1 is provided with an overflow hole i 4. The lower part of the water cooling tower 1 is provided with a water outlet 5 and an air inlet I6, and the upper part of the water cooling tower 1 is provided with a water inlet 25 and an air outlet II 7. The water cooling tower 1 is internally provided with a water cooling heat exchanger, and the upper part of the water cooling tower 1 is provided with a pipe plate network 8. And the lower part of the alkali spray tower 2 is provided with an air inlet II 9, and an air outlet II 7 of the water cooling tower 1 is connected with the air inlet II 9 of the alkali spray tower 2 through a connecting pipe. A sewage discharge hole 10 is formed in one side, opposite to an air inlet hole II 9, in the lower part of the alkali spray tower 2, and two filter screens I11 are arranged above the sewage discharge hole 10 in the alkali spray tower 2 from top to bottom; the upper part of the alkali spray tower 2 is provided with a spray hole 12, a sprayer 13 is arranged in the alkali spray tower 2 through the spray hole 12, and the sprayer 13 is positioned above the two filter screens I11.
Referring to fig. 1, the bottom of the gas-liquid separation tower 14 is provided with an overflow hole ii 16, and the center of the top of the adsorption tower 15 is provided with an air outlet hole iii 17. An air inlet hole III 18 is arranged at the lower part of the gas-liquid separation tower 14, and an air outlet hole VI 19 is arranged on one side opposite to the air inlet hole III 18 at the upper part of the gas-liquid separation tower 14. Downward swirl plates 20 are symmetrically arranged from top to bottom in the gas-liquid separation tower 14, an air inlet VI 21 is arranged at the lower part of the adsorption tower 15, and the air inlet VI 21 of the adsorption tower 15 is connected with an air outlet VI 19 of the gas-liquid separation tower 14 through a connecting pipe. The adsorption tower 15 is provided with two filter screens II 22 from top to bottom, two filling holes 23 are respectively arranged on the adsorption tower 15 corresponding to the upper parts of the two filter screens II 22, the two filling holes 23 are arranged on the upper part of one side opposite to the air inlet VI 21, and the air outlet I3 of the alkali spray tower 2 is connected with the air inlet III 18 of the gas-liquid separation tower 14 through a connecting pipe.
Referring to fig. 1, the swirl plate 20 is semicircular, the radius of the swirl plate 20 is the same as the radius of the inner wall of the gas-liquid separation tower 14, and the included angle between the swirl plate 20 and the gas-liquid separation tower 14 is 60 °.
Referring to fig. 1, a roots blower 24 is arranged on a connecting pipe between the air outlet I3 of the alkali spray tower 2 and the air inlet III 18 of the gas-liquid separation tower 14.
The bottom of the water cooling tower 1 is provided with tower supporting legs. The bottom of the gas-liquid separation tower 14 is provided with a tower supporting leg.
Referring to fig. 1, the generated fuel gas enters a water-cooled heat exchanger inside a water cooling tower 1 from an air inlet I6 at the lower part of the water cooling tower 1, enters an alkali spray tower 2 from an air outlet II 7 at the upper part of the water cooling tower 1 under the cooling effect of shell water, and the condensable gas in the fuel gas is cooled and then flows into a vinegar tar pool through a sewage discharge hole 10; alkali liquor in the alkali spray tower 2 is sprayed by the sprayer 13, and the gas is integrated under the action of the alkali liquor. The gas purified by the comprehensive absorption tower has large liquid content, the liquid is settled under the action of the rotational flow plate 20 of the gas-liquid separation tower 14 and flows into the vinegar tar pool, and the mixed gas is further dehydrated and decoked under the adsorption action of the filler 22 when passing through the adsorption tower 15, so that a higher purification effect is achieved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention relates, several simple deductions or substitutions may be made without departing from the spirit of the invention, and the above-mentioned structures should be considered as belonging to the protection scope of the invention.
Claims (3)
1. The utility model provides an intensive living beings pyrolysis gasification gas purifier which characterized in that: comprises a comprehensive absorption tower and a comprehensive separation tower, wherein the comprehensive absorption tower comprises a water cooling tower (1) at the lower part and an alkali spray tower (2) at the upper part, the bottom of the alkali spray tower (2) is connected with the top of the water cooling tower (1) by bolts, the top of the alkali spray tower (2) is centrally provided with an air outlet I (3), the bottom of the water cooling tower (1) is provided with an overflow hole I (4), the lower part of the water cooling tower (1) is provided with a water outlet hole (5) and an air inlet I (6), the upper part of the water cooling tower (1) is provided with a water inlet hole (25) and an air outlet hole II (7), the water cooling tower (1) is internally provided with a water-cooled heat exchanger, the upper part of the water cooling tower (1) is provided with a pipe plate network (8), the lower part of the alkali spray tower (2) is provided with an air inlet hole II (9), the air outlet hole II (7) of the water cooling tower (1) is connected with the air inlet hole II (9) of the alkali spray tower (2) through a connecting pipe, a blow-off hole (10) is arranged on one side opposite to an air inlet hole II (9) on the lower part of the alkali spray tower (2), two filter screens I (11) are arranged from top to bottom above the blow-off hole (10) in the alkali spray tower (2), a spray hole (12) is arranged on the upper part of the alkali spray tower (2), a sprayer (13) is arranged in the alkali spray tower (2) through the spray hole (12), the sprayer (13) is positioned above the two filter screens I (11), the comprehensive separation tower comprises a gas-liquid separation tower (14) on the lower part and an adsorption tower (15) on the upper part, an overflow hole II (16) is arranged at the bottom of the gas-liquid separation tower (14), an air outlet hole III (17) is arranged in the center of the top of the adsorption tower (15), an air inlet hole III (18) is arranged on the lower part of the gas-liquid separation tower (14), an air outlet hole VI (19) is arranged on one side opposite to the air inlet hole III (18) on the upper part of the gas-liquid separation tower (14), the inner part of the gas-liquid separation tower (14) is symmetrically provided with downward swirl plates (20) from top to bottom, the lower part of the adsorption tower (15) is provided with an air inlet VI (21), the air inlet VI (21) of the adsorption tower (15) is connected with an air outlet VI (19) of the gas-liquid separation tower (14) through a connecting pipe, the adsorption tower (15) is provided with two filter screens II (22) from top to bottom, two filling holes (23) are respectively arranged on the adsorption tower (15) corresponding to the upper parts of the two filter screens II (22), the two filling holes (23) are arranged on the upper part of one side opposite to the air inlet VI (21), an air outlet I (3) of the alkali spray tower (2) is connected with an air inlet III (18) of the gas-liquid separation tower (14) through a connecting pipe, the swirl plates (20) are semicircular, the radius of the swirl plates (20) is the same as that of the inner wall of the gas-liquid separation tower (14), and the included angle between the rotational flow plate (20) and the gas-liquid separation tower (14) is 60 degrees, and a Roots blower (24) is arranged on a connecting pipe between the air outlet I (3) of the alkali spray tower (2) and the air inlet III (18) of the gas-liquid separation tower (14).
2. The intensive biomass pyrolysis gasification gas purification device according to claim 1, wherein: the bottom of the water cooling tower (1) is provided with tower supporting legs.
3. The intensive biomass pyrolysis gasification gas purification device according to claim 1, wherein: the bottom of the gas-liquid separation tower (14) is provided with a tower supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495224.3A CN106010671B (en) | 2016-06-29 | 2016-06-29 | Intensive biomass pyrolysis gasification gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610495224.3A CN106010671B (en) | 2016-06-29 | 2016-06-29 | Intensive biomass pyrolysis gasification gas purification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106010671A CN106010671A (en) | 2016-10-12 |
| CN106010671B true CN106010671B (en) | 2021-07-30 |
Family
ID=57104260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610495224.3A Active CN106010671B (en) | 2016-06-29 | 2016-06-29 | Intensive biomass pyrolysis gasification gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106010671B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218597A (en) * | 2019-06-05 | 2019-09-10 | 西安建筑科技大学 | A kind of purification process under biogas purification devices and its normal pressure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201908075U (en) * | 2010-12-03 | 2011-07-27 | 贝洪毅 | Centralized gas supply system adopting biomass dry gasification method |
| CN102344836A (en) * | 2011-05-31 | 2012-02-08 | 黑龙江建龙钢铁有限公司 | Coke oven coal gas purification apparatus |
| CN102585918A (en) * | 2012-02-17 | 2012-07-18 | 南京工业大学 | Technology and system for deep removal of tar in biomass gas by coupling adsorption |
| EP2597136A1 (en) * | 2010-07-20 | 2013-05-29 | Sunshine Kaidi New Energy Group Co., Ltd | Process and apparatus for the indirect gasification of biomass using water vapor |
| CN203295461U (en) * | 2013-03-29 | 2013-11-20 | 合肥德博生物能源科技有限公司 | Biomass gasification copper smelting system |
| CN204874425U (en) * | 2015-08-12 | 2015-12-16 | 吉林省汇能能源股份有限公司 | Cooling purifier of gas is used multipurposely in biomass energy source |
| CN204981788U (en) * | 2015-09-23 | 2016-01-20 | 魏星 | Multistage tar device that removes |
| CN205821268U (en) * | 2016-06-29 | 2016-12-21 | 华中农业大学 | A kind of intensive biomass pyrogenation gasification gas cleaning device |
-
2016
- 2016-06-29 CN CN201610495224.3A patent/CN106010671B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597136A1 (en) * | 2010-07-20 | 2013-05-29 | Sunshine Kaidi New Energy Group Co., Ltd | Process and apparatus for the indirect gasification of biomass using water vapor |
| CN201908075U (en) * | 2010-12-03 | 2011-07-27 | 贝洪毅 | Centralized gas supply system adopting biomass dry gasification method |
| CN102344836A (en) * | 2011-05-31 | 2012-02-08 | 黑龙江建龙钢铁有限公司 | Coke oven coal gas purification apparatus |
| CN102585918A (en) * | 2012-02-17 | 2012-07-18 | 南京工业大学 | Technology and system for deep removal of tar in biomass gas by coupling adsorption |
| CN203295461U (en) * | 2013-03-29 | 2013-11-20 | 合肥德博生物能源科技有限公司 | Biomass gasification copper smelting system |
| CN204874425U (en) * | 2015-08-12 | 2015-12-16 | 吉林省汇能能源股份有限公司 | Cooling purifier of gas is used multipurposely in biomass energy source |
| CN204981788U (en) * | 2015-09-23 | 2016-01-20 | 魏星 | Multistage tar device that removes |
| CN205821268U (en) * | 2016-06-29 | 2016-12-21 | 华中农业大学 | A kind of intensive biomass pyrogenation gasification gas cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106010671A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204400934U (en) | A kind of biomass gasification burning deep purifying device | |
| CN203155017U (en) | A gas purification device | |
| CN102463022B (en) | Method and apparatus for absorbing asphalt smoke | |
| CN101822942B (en) | Wet purification method for dioxin and heavy metals in solid waste incineration gas | |
| CN102690689A (en) | Device and method for scrubbing and purifying coal gas | |
| CN105498419A (en) | Winter heating chimney exhaust gas purification system | |
| CN106390705A (en) | A flue desulphurization exhaust-gas treatment system | |
| CN215463249U (en) | Partitioned multistage circulating CO2Trapping concentration system | |
| CN106010671B (en) | Intensive biomass pyrolysis gasification gas purification device | |
| CN103629956A (en) | Flue gas waste heat recovery and dust removal device | |
| CN204981788U (en) | Multistage tar device that removes | |
| CN205821268U (en) | A kind of intensive biomass pyrogenation gasification gas cleaning device | |
| CN110540881B (en) | Wellhead air source purifier and method | |
| CN201844413U (en) | Energy-saving boiler flue gas spraying purification system | |
| CN203963979U (en) | Energy-saving environmental-protection boiler exhaust emissions tower | |
| CN202446979U (en) | Energy-saving heat exchange tower with functions of smoke washing, absorbing and purifying | |
| WO2020233390A1 (en) | Evaporation device for treatment of low-heat-mass coal gas | |
| CN202191838U (en) | Flue gas disposing device of coal-fired industrial boiler | |
| CN210656834U (en) | Wellhead gas source purifier | |
| CN107174909A (en) | A kind of boiler dust removal device and its dust removal method | |
| CN108130136A (en) | A kind of biomass gas tar oil purifier | |
| CN208917136U (en) | Purified synthesis gas device | |
| CN208512213U (en) | Handle the environmental protecting device of propylene oxide exhaust gas | |
| CN209752535U (en) | Coal water slurry boiler tail gas processing apparatus | |
| CN201389418Y (en) | Rotary spraying acid fog absorption tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |