CN107812442A - A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique - Google Patents
A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique Download PDFInfo
- Publication number
- CN107812442A CN107812442A CN201710740785.XA CN201710740785A CN107812442A CN 107812442 A CN107812442 A CN 107812442A CN 201710740785 A CN201710740785 A CN 201710740785A CN 107812442 A CN107812442 A CN 107812442A
- Authority
- CN
- China
- Prior art keywords
- moment
- dioxin
- spray column
- coil pipe
- shower nozzle
- 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
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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique, including spray column main body, incinerator and two-level absorption tower, the spray column body top is provided with air inlet, the air inlet is connected by intake stack with the incinerator, the inside of the spray column main body is provided with spraying zone, coil pipe and shower nozzle are provided with the spraying zone, the shower nozzle is arranged on the lower section of coil pipe, the bottom of the spray column main body is provided with circulatory pool, the side of the circulatory pool is provided with circulating pump and armored pump case, the circulatory pool is communicated by circulating pump with the coil pipe in the spraying zone, the side of the spray column main body is provided with air outlet, titanium blower fan is connected with the air outlet, the present invention removes smoke Zhong bioxin, generated without harmful side product, whole process does not have waste water, waste residue produces；Handling process is simple, operating cost is relatively low, and the flue gas after processing can qualified discharge (dioxin emission concentration is less than 0.1ng TEQ/Nm3).
Description
Technical field
The present invention relates to waste gas generated by burning garbage processing technology field, is specifically that one kind is removed using moment whirlwind chilling technique
The device of dioxin in incineration smoke and its technological process.
Background technology
Bioxin source is complicated in atmospheric environment, smelting iron and steel, non-ferrous metal metallurgy, vehicle exhaust, burning production (bag
Include pharmaceutical wastewater burning, the incineration of waste in chemical plant, consumer waste incineration, coal-burning power plant etc.), the production links of some agricultural chemicals,
The processes such as smelting iron and steel, the activation of catalyst high temperature chlorine can all discharge bioxin into environment.Waste incineration is as waste reduction
Change one of effective means of processing, obtain increasingly extensive utilization in developed regions at present.But caused by waste incineration
Contain substantial amounts of bioxin in flue gas, if can not be handled well, it will cause bigger pollution to environment.
Bioxin generating principle therein is：
1st, directly discharge：Burn the solid waste (plastic containing chlorine such as vinyl chloride) containing Wei Liang bioxin, fully not complete
Under conditions of full burning, necessarily contain remaining bioxin in its flue gas discharged.
2nd, recombine：Reaction carriers are the carbon structure of macromolecular, including：Activated carbon, carbon, coke, residual carbon, flying dust
Deng, the reaction under catalyst (predominantly copper compounds of group) effect of these reaction carriers, generation bioxin.
The heterogeneous catalytic reaction of predecessor：The heterogeneous catalytic reaction on the winged surface of ash occurs, reactive material is organic small point
Son, generate bioxin.
The content of the invention
The technical problem to be solved in the present invention is the defects of overcoming prior art, there is provided one kind utilizes moment whirlwind chilling skill
Art removes device and its technological process of dioxin in incineration smoke.
In order to solve the above technical problems, the present invention provides following technical scheme：One kind is gone using moment whirlwind chilling technique
Except the device of dioxin in incineration smoke, including spray column main body, incinerator and two-level absorption tower, the spray column body top
Provided with air inlet, the air inlet is connected by intake stack with the incinerator, and the inside of the spray column main body is provided with spray
Area is drenched, is provided with coil pipe and shower nozzle in the spraying zone, the shower nozzle is arranged on the lower section of coil pipe, the bottom of the spray column main body
Provided with circulatory pool, the side of the circulatory pool is provided with circulating pump and armored pump case, and the circulatory pool passes through circulating pump and the spray
Coil pipe in area communicates, and the side of the spray column main body is provided with air outlet, and titanium blower fan, the titanium are connected with the air outlet
The air outlet of blower fan is connected by pipeline with the two-level absorption tower.
Preferably, the side of the spray column main body is provided with observation window.
Preferably, the shower nozzle is continuously linear shower nozzle, and shower nozzle angle is 15-30 degree.
Preferably, the circulating pump is alkali resistance circulating pump, and control valve is provided between the circulating pump and the spraying zone.
Preferably, the air outlet is arranged on the lower section of the spraying zone.
Preferably, the coil pipe is in annular shape, and if the dry coil pipe in same area arranged successively in concentric circles, the shower nozzle
It is evenly distributed on coil pipe.
A kind of technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is concretely comprised the following steps：
The first step, NaOH aqueous slkalis are loaded in circulatory pool；
Second step, control valve is opened, NaOH aqueous slkalis enter spraying zone in the presence of circulating pump out of circulatory pool, in disk
Cyclone shape region is formed at pipe and shower nozzle；
3rd step, waste gas is passed through to air inlet, waste gas enters spraying zone and carries out moment whirlwind chilling, and waste gas passes through the region
Moment is rapid near 100 DEG C from 1200 DEG C afterwards, and caused gas enters two-level absorption tower under the attraction of titanium blower fan from air outlet；
4th step, bioxin Indexs measure is carried out to the gas discharged from air outlet.
Preferably, the NaOH solution used in described second step be 0.01-0.05g/L NaOH solution, NaOH with
Chlorine and its chloride reaction in flue gas, make part new in burning process and are absorbed into bioxin.
Preferably, NaOH solution enters circulatory pool in the 3rd described step, and spray is again introduced into the presence of circulating pump
Area.
The present invention has an advantageous effect in that compared with prior art：
1. being generated without harmful side product, whole process does not have waste water, waste residue to produce；
2. handling process is simple, operating cost is relatively low；
3. the flue gas after processing can qualified discharge.
Dioxin in incineration smoke technique is removed using moment whirlwind chilling technique the invention discloses one kind, utilizes Er Evil
The optimal generation temperature of English is 300-500 DEG C of condition, and flue-gas temperature directly is down into 100 DEG C using whirlwind chilling method, crossed
Bioxin generates temperature section, the growing amount of bioxin is reduced from source, and produce the necessary Er Evil of institute using alkali liquor absorption
The chlorine and chloride of English, so as to reach the purpose of control bioxin generation total amount.
Brief description of the drawings
Fig. 1 is a kind of device apparatus structure that dioxin in incineration smoke is removed using moment whirlwind chilling technique of the present invention
Schematic diagram；
Fig. 2 is a kind of device spraying zone knot that dioxin in incineration smoke is removed using moment whirlwind chilling technique of the present invention
Structure schematic diagram.
In figure marked as：1- circulatory pools；2- intake stacks；3- air inlets；4- observation windows；5- spraying zones；51- coil pipes；
52- shower nozzles；6- titanium blower fans；7- incinerators；8- control valves；9- circulating pumps；10- armored pump casees；11- spray column main bodys；12- two levels
Absorption tower.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique, including spray column main body 11,
Incinerator 7 and two-level absorption tower 12, the top of spray column main body 11 are provided with air inlet 3, and the air inlet 3 passes through intake stack
2 are connected with the incinerator 7, and the inside of the spray column main body 11 is provided with spraying zone 5, and coil pipe 51 is provided with the spraying zone 5
With shower nozzle 52, the shower nozzle 52 is arranged on the lower section of coil pipe 51, and the bottom of the spray column main body 14 is provided with circulatory pool 1, described
The side of circulatory pool 1 is provided with circulating pump 9 and armored pump case 10, and the circulatory pool 1 passes through the disk on circulating pump 9 and the spraying zone 5
Pipe 51 communicates, and the side of the spray column main body 14 is provided with air outlet 13, and titanium blower fan 6 is connected with the air outlet 13, described
The air outlet of titanium blower fan 6 is connected by pipeline with the two-level absorption tower 12.
The side of the spray column main body 11 is provided with observation window 4, and the shower nozzle 52 is continuously linear shower nozzle, and shower nozzle 52 presss from both sides
Angle is 15-30 degree, and the circulating pump 9 is alkali resistance circulating pump, and control valve is provided between the circulating pump 9 and the spraying zone 5
8, the air outlet 13 is arranged on the lower section of the spraying zone 5, the coil pipe 51 in annular shape, and if same area dry coil pipe
51 are arranged successively in concentric circles, and the shower nozzle 52 is evenly distributed on coil pipe 51, and titanium blower fan 6 is made of titanium, and titanium is resistant to 650
The high temperature of degree, if temperature does not lower here, common blower fan can deform, and can not work.
Embodiment 1
A kind of technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is concretely comprised the following steps：
The first step, 0.03g/L NaOH aqueous slkalis are loaded in circulatory pool 1；
Second step, control valve 8 is opened, NaOH aqueous slkalis enter spraying zone 5 in the presence of circulating pump 9 from dress circulatory pool 1,
Cyclone shape region is formed at coil pipe 51 and shower nozzle 52；
3rd step, waste gas is passed through to air inlet 3, waste gas enters spraying zone 5 and carries out moment whirlwind chilling, and waste gas passes through the area
Moment is rapid near 100 DEG C from 1200 DEG C behind domain, and caused gas enters two level from air outlet 13 after being extracted out by titanium blower fan (6) and inhaled
Receive tower 12；
4th step, it is 0.06ng TEQ/Nm3 to carry out bioxin Indexs measure to the gas discharged from air outlet 13.
Embodiment 2
A kind of technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is concretely comprised the following steps：
The first step, 0.04g/L NaOH aqueous slkalis are loaded in circulatory pool 1；
Second step, control valve 8 is opened, NaOH aqueous slkalis enter spraying zone 5 in the presence of circulating pump 9 from dress circulatory pool 1,
Cyclone shape region is formed at coil pipe 51 and shower nozzle 52；
3rd step, waste gas is passed through to air inlet 3, waste gas enters spraying zone 5 and carries out moment whirlwind chilling, and waste gas passes through the area
Moment is rapid near 100 DEG C from 1200 DEG C behind domain, and caused gas enters two level from air outlet 13 under the attraction of titanium blower fan 6 and inhaled
Receive tower 12；
4th step, it is 0.07ng TEQ/Nm3 to carry out bioxin Indexs measure to the gas discharged from air outlet 13.
Embodiment 3
A kind of technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is concretely comprised the following steps：
The first step, 0.05g/L NaOH aqueous slkalis are loaded in circulatory pool 1；
Second step, control valve 8 is opened, NaOH aqueous slkalis enter spraying zone 5 in the presence of circulating pump 9 from dress circulatory pool 1,
Cyclone shape region is formed at coil pipe 51 and shower nozzle 52；
3rd step, waste gas is passed through to air inlet 3, waste gas enters spraying zone 5 and carries out moment whirlwind chilling, and waste gas passes through the area
Moment is rapid near 100 DEG C from 1200 DEG C behind domain, and caused gas enters two level from air outlet 13 under the attraction of titanium blower fan 6 and inhaled
Receive tower 12；
4th step, it is 0.08ng TEQ/Nm3 to carry out bioxin Indexs measure to the gas discharged from air outlet 13.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Bioxin concentration | 0.06ng TEQ/Nm3 | 0.07ng TEQ/Nm3 | 0.08ng TEQ/Nm3 |
The principle and advantage of the present invention：Chlorine is the essential elements for generating bioxin, and chlorine and its chloride can use alkali liquor absorption,
Alkaline aqueous solution is linearly sprayed using whirlwind chilling method, (avoiding bioxin working condition) is absorbable newly-generated while cooling
Bioxin, so as to reach the purpose of control bioxin generation total amount, coil pipe 51 is arranged in spray column, pacified on coil pipe 51
Continuously linear shower nozzle 52 is filled, the angle of shower nozzle 52 is 15-30 degree.Control valve 8 is opened, alkali lye is after shower nozzle 52 linearly ejection from up to
Lower formation cyclone shape region, flue gas are rapid near 100 DEG C from 1200 DEG C by moment behind the region.It is optimal due to bioxin
It is 300-500 DEG C to generate temperature, and flue-gas temperature is directly down to 100 DEG C by whirlwind chilling method, crosses bioxin generation temperature section,
Reduce the growing amount of bioxin from source, spray alkali lye uses 0.01-0.05 g/L NaOH solution, NaOH with flue gas
Chlorine and its chloride reaction, make part new in burning process and absorbed into bioxin.
The present invention removes smoke Zhong bioxin, and no harmful side product generation, whole process does not have waste water, waste residue to produce；Place
Science and engineering skill is simple, operating cost is relatively low, the flue gas after processing can qualified discharge (dioxin emission concentration is less than 0.1ng TEQ/
Nm3)
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique, including spray column main body (11),
Incinerator (7) and two-level absorption tower (12), it is characterised in that：Air inlet (3) is provided with the top of the spray column main body (11), it is described
Air inlet (3) is connected by intake stack (2) with the incinerator (7), and the inside of the spray column main body (11) is provided with spray
Area (5), the spraying zone (5) is interior to be provided with coil pipe (51) and shower nozzle (52), and the shower nozzle (52) is arranged on the lower section of coil pipe (51),
The bottom of the spray column main body (11) is provided with circulatory pool (1), and the side of the circulatory pool (1) is provided with circulating pump (9) and armored pump
Case (10), the circulatory pool (1) are communicated by circulating pump (9) with the coil pipe (51) in the spraying zone (5), the spray column master
The side of body (11) is provided with air outlet (13), is connected with titanium blower fan (6) on the air outlet (13), titanium blower fan (6) go out
Air port is connected by pipeline with the two-level absorption tower (12).
2. a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique according to claim 1,
It is characterized in that：The side of the spray column main body (11) is provided with observation window (4).
3. a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique according to claim 1,
It is characterized in that：The shower nozzle (52) is continuously linear shower nozzle, and shower nozzle (52) angle is 15-30 degree.
4. a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique according to claim 1,
It is characterized in that：The circulating pump (9) is alkali resistance circulating pump, and control is provided between the circulating pump (9) and the spraying zone (5)
Valve (8) processed.
5. a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique according to claim 1,
It is characterized in that：The air outlet (13) is arranged on the lower section of the spraying zone (5).
6. a kind of device that dioxin in incineration smoke is removed using moment whirlwind chilling technique according to claim 1,
It is characterized in that：The coil pipe (51) in annular shape, and if the dry coil pipe (51) in same area arranged successively in concentric circles, it is described
Shower nozzle (52) is evenly distributed on coil pipe (51).
7. a kind of technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is characterised in that it has
Body step is：
The first step, NaOH aqueous slkalis are loaded in circulatory pool (1)；
Second step, opens control valve (8), and NaOH aqueous slkalis enter spraying zone in the presence of circulating pump (9) from dress circulatory pool (1)
(5), cyclone shape region is formed in coil pipe (51) and shower nozzle (52) place；
3rd step, waste gas is passed through to air inlet (3), waste gas enters spraying zone (5) and carries out moment whirlwind chilling, and waste gas passes through the area
Moment is rapid near 100 DEG C from 1200 DEG C behind domain, and caused gas is entered two level after titanium blower fan (6) extraction from air outlet (13)
Absorption tower (12)；
4th step, bioxin Indexs measure is carried out to the gas discharged from air outlet (13).
A kind of 8. technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is characterised in that：Institute
The NaOH solution used in the second step stated is 0.01-0.05g/L NaOH solution, NaOH and the chlorine and its chloride in flue gas
Reaction, make part new in burning process and absorbed into bioxin.
A kind of 9. technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique, it is characterised in that：It is described
The 3rd step in NaOH solution enter circulatory pool (1), spraying zone (5) is again introduced into the presence of circulating pump (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740785.XA CN107812442A (en) | 2017-08-25 | 2017-08-25 | A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740785.XA CN107812442A (en) | 2017-08-25 | 2017-08-25 | A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107812442A true CN107812442A (en) | 2018-03-20 |
Family
ID=61601569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740785.XA Pending CN107812442A (en) | 2017-08-25 | 2017-08-25 | A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107812442A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318065A (en) * | 2008-04-29 | 2008-12-10 | 北京航天石化技术装备工程公司 | Nuisance-free processing method for chlorine containing waste liquor, waste gas and special apparatus thereof |
| CN202052463U (en) * | 2011-04-29 | 2011-11-30 | 张玲霞 | Medical waste burning fume treatment device |
| CN203099873U (en) * | 2013-02-17 | 2013-07-31 | 张毅 | Quench tower device |
| CN203628674U (en) * | 2013-07-08 | 2014-06-04 | 上海灿州环境工程有限公司 | Whole-set hazardous waste incinerator device |
| CN105043131A (en) * | 2015-08-06 | 2015-11-11 | 朱峰 | Shock cooling heat exchanger for cooling flue gas |
| CN105509068A (en) * | 2016-01-29 | 2016-04-20 | 苏州新区环保服务中心有限公司 | Industrial waste liquid environment-friendly discharge treatment system |
-
2017
- 2017-08-25 CN CN201710740785.XA patent/CN107812442A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318065A (en) * | 2008-04-29 | 2008-12-10 | 北京航天石化技术装备工程公司 | Nuisance-free processing method for chlorine containing waste liquor, waste gas and special apparatus thereof |
| CN202052463U (en) * | 2011-04-29 | 2011-11-30 | 张玲霞 | Medical waste burning fume treatment device |
| CN203099873U (en) * | 2013-02-17 | 2013-07-31 | 张毅 | Quench tower device |
| CN203628674U (en) * | 2013-07-08 | 2014-06-04 | 上海灿州环境工程有限公司 | Whole-set hazardous waste incinerator device |
| CN105043131A (en) * | 2015-08-06 | 2015-11-11 | 朱峰 | Shock cooling heat exchanger for cooling flue gas |
| CN105509068A (en) * | 2016-01-29 | 2016-04-20 | 苏州新区环保服务中心有限公司 | Industrial waste liquid environment-friendly discharge treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205109380U (en) | Forced air cooling SOx/NOx control dust removal deodorization environment -friendly device | |
| CN107511069A (en) | A kind of efficient energy-saving emission-control equipment | |
| CN206082112U (en) | Reverse -flow scrubbing tower | |
| CN208389573U (en) | A kind of chemical industry VOCs processing system | |
| CN206965507U (en) | A kind of research on flue gas treatment system of waste incineration of stage purification | |
| CN202289850U (en) | Smoke burning disposal system for sludge | |
| WO2019091083A1 (en) | System for treating waste metal smelting fume | |
| CN106994302A (en) | A kind of new and effective SCR denitration system | |
| CN104759462B (en) | A kind of Soil leaching upgrading prosthetic device with tail gas treating function | |
| CN205760561U (en) | A kind of novel emission-control equipment that sprays paint | |
| CN104707404A (en) | Dust removing and odor removing system and technology for starch section tail gas | |
| CN102755805B (en) | Flue gas purification dust removal system for environmentally-friendly cremation machine | |
| CN206535372U (en) | New waste gas filtration and adsorption treatment device | |
| CN107812442A (en) | A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique | |
| CN202460440U (en) | Device for processing soil volatile organic pollutant by utilizing low-temperature plasma | |
| CN202398268U (en) | Low-temperature plasma reactor | |
| CN104258728A (en) | Device for flash treatment of volatile organic waste gases | |
| CN208574456U (en) | Waste gas recovering device is used in a kind of production of compound fertilizer | |
| CN207546183U (en) | A kind of dioxin in flue gas removal device | |
| CN206935999U (en) | A kind of dangerous waste circulating treating system | |
| CN205988659U (en) | A kind of hydrochloric acid mist retracting device | |
| CN205991719U (en) | A kind of rotary kiln processes waste gas purification and the residual neat recovering system of mud | |
| CN109908880A (en) | Active carbon regenerating unit and regeneration technology | |
| CN206064435U (en) | A kind of efficient active carbon regenerating unit of clean environment firendly | |
| CN104896488B (en) | A kind of system processing waste gas generated by burning garbage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180320 |