CN109357268A - The process of waste and old paint kettle is handled using the oxygen-enriched natural gas shaft furnace of hot wind - Google Patents
The process of waste and old paint kettle is handled using the oxygen-enriched natural gas shaft furnace of hot wind Download PDFInfo
- Publication number
- CN109357268A CN109357268A CN201811077815.4A CN201811077815A CN109357268A CN 109357268 A CN109357268 A CN 109357268A CN 201811077815 A CN201811077815 A CN 201811077815A CN 109357268 A CN109357268 A CN 109357268A
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- CN
- China
- Prior art keywords
- flue gas
- oxygen
- waste
- gas
- hot wind
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
It the present invention relates to the use of the process that the oxygen-enriched natural gas shaft furnace of hot wind handles waste and old paint kettle.The treatment process uses the oxygen-enriched waste and old paint kettle of natural gas shaft (tower) furnace rapid melting of hot wind, paint slag is burned simultaneously, and the molten iron of fusing, which pours into, adjusts hot metal composition and temperature in electric mantle heater, eliminating paint kettle iron sheet ingredient influences casting composition, paint kettle investment ratio is unrestricted, can mass disposal.It melts waste and old paint kettle and burns the flue gas for painting slag generation after second-time burning, gravitational dust collection, air heat-exchange, SNCR denitration, residual heat boiler for exchanging heat, semidry method depickling, active carbon injection, calcium hydroxide injection, bag-type dust, the processing of depickling scrubbing tower, through smoke stack emission.Smelting system, combustion system, smoke processing system carry out process monitoring by DCS control system.
Description
Technical field
The present invention relates to a kind of techniques for handling waste and old paint kettle, more particularly to the utilization oxygen-enriched natural gas shaft (tower) furnace of hot wind
Handle the process of waste and old paint kettle.
Background technique
Waste and old paint kettle mainly by irony paint kettle, the paint being adhered on paint kettle and from paint kettle surface peel off
Paint slag composition.It is currently to carry out paint kettle and paint slag respectively by different processing modes because of the technical limitation of the prior art
Processing.The mode of conventional process paint kettle mainly includes following two: one is being used by recycling old bucket after pickling, generally only
Suitable profile keeps good staving, and most staving be using after being crushed again by burning by the way of handled.Acid
Washed journey can generate a large amount of acid-washing waste acid and phosphatized wastewater, and this spent acid and waste water equally can generate bad shadow to environment
It rings, it is difficult to guarantee environmental requirement.And conventional incineration mode is to melt waste and old paint kettle using blast furnace or converter and carry out resource again
Utilize, but due to waste oil paint can iron sheet ingredient on production product iron liquid ingredient exist influence, therefore the additional amount of waste oil paint can by
Limitation, the treating capacity very little of waste oil paint can.In addition, above-mentioned processing method is only to the organic exhaust gas generated in paint kettle shattering process
It is handled, original processing system is still continued to use to the flue gas for generation of burning in furnace.In fact, due to being added to waste and old paint kettle
For raw material, inner flue gas of the stove ingredient increases organic compound combustion product and heavy metal than former blast furnace or converter gas, continues to use original
When processing system, the extremely difficult meet the requirement of environmental protection of flue gas emission quality.
In view of a kind of above, the processing work work of efficient present applicant proposes safety and environmental protection and save the cost waste and old paint kettle
Skill.
Summary of the invention
It is an object of the invention to solve waste and old paint kettle existing for above-mentioned prior art can not largely handle, flue gas emission
The problem of environmental requirement is not achieved provides the process that a kind of oxygen-enriched natural gas shaft furnace of hot wind handles waste and old paint kettle.The work
Process can synchronize processing to paint kettle and paint slag, using high-temperature decomposition, make waste and old paint in sufficiently high temperature
Under degree and time conditions, degradation, burning and gasification occur for the organic high molecular compound in paint, generate nontoxic solid powder
End, carbon dioxide and vapor；Incombustible filler, pigment generate coke-like residue in paint, realize depainting.Pyrolytic depainting
It carries out, is not limited by part shape under the conditions of confined space, depainting of the complex parts surface without dead angle may be implemented, be convenient for
Realize batch production.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
The process that waste and old paint kettle is handled using the oxygen-enriched natural gas shaft furnace of hot wind, is characterized in that, including following processing
Step:
S1: it will be sent into the oxygen-enriched natural gas shaft furnace of hot wind through briquetting treated waste and old paint kettle and paint slag, after Incinerating and melting, produced
Raw iron liquid and flue gas is respectively processed；
For the oxygen-enriched natural gas shaft furnace of hot wind using natural gas as fuel, oxygen-enriched air is combustion adjuvant.
The hot wind oxygen-enriched natural gas feeding of shaft furnace mouth automatically turns on when having charging, remaining time closed pneumatic door,
The pneumatic door carries out decomposition reaction in confined conditions, meets the reaction condition of paint pyrolytic.
S2: iron liquid is transported in electric furnace, and iron liquid ingredient and temperature are adjusted in furnace, pouring furnace is transported to later, is being poured
In furnace after ingredient and temperature detection are qualified, for being poured casting；
S3, the flue gas after the oxygen-enriched natural gas shaft furnace discharge of hot wind contain the imperfect combustion carbon monoxide in part and organic gas
Body carries out gravitational dust collection after feeding secondary combustion chamber burns again；
S4, large dust particle in flue gas is removed through gravitational dust collection, flue gas enters air heat exchanger cooling, the cigarette after exchanging heat later
Gas is divided into two-way, is recycled in the oxygen-enriched natural gas shaft furnace of hot wind as combustion-supporting gas all the way, gas of the another way after cooling down into
Row denitration process；
The combustion-supporting gas preheating temperature is to 350-450 DEG C.
S5, the flue gas after denitration process are passed through waste heat boiler, waste heat boiler Mist heat recovering as heat source, and flue gas is released
Reach cooling purpose while heat release energy again；
S6, flue gas carry out spraying cooling via chilling tower is entered after waste heat boiler, while carrying out semidry method depickling to flue gas；
Flue gas utilization activated carbon adsorption after S7, depickling removes the heavy metal in flue gas；
S8, the moisture in flue gas is removed using calcium hydroxide, flue-gas temperature reaches 120-150 DEG C at this time；
S9, flue gas enter bag filter, remove minute solid particles object；
Flue gas after S10, dedusting enters in scrubbing tower, carries out desulfurization process to flue gas with lye spray；
Treated that flue gas meets emission request for S11, washed tower, is discharged via air-introduced machine.
The process that waste and old paint kettle is handled using the oxygen-enriched natural gas shaft furnace of hot wind of the invention, using the oxygen-enriched day of hot wind
Right gas shaft furnace is simultaneously handled waste and old paint kettle and paint slag, and the smelting technology of casting is directly produced including fusing metal iron sheet
It is erected in smelting technology using the oxygen-enriched natural gas of hot wind with processing melting and the flue gas treating process for burning paint slag generation flue gas
The smelting system of furnace and heat preservation duplex electric furnace composition, heat preservation duplex electric furnace include electric furnace and pouring furnace, and the oxygen-enriched natural gas of hot wind is perpendicular
Iron liquid after furnace melting initially enters in electric furnace to regulate and control its composition and temperature, enters pouring furnace later for being poured casting
Part.Fume treatment include in flue gas solid particulate matter, sulfur dioxide, nitrogen oxides, heavy metal, at organic exhaust gas
Reason, while carrying out waste heat recycling.Treatment process synchronization process iron liquid of the invention and flue gas, and iron liquid can be used in recycling weight
Multiple to utilize, the processing meet the requirement of environmental protection of flue gas, whole processing technology carries out process monitoring, highly effective and safe by control system.
Detailed description of the invention
Fig. 1: the present invention handles the process flow chart of waste and old paint kettle using the oxygen-enriched natural gas shaft furnace of hot wind.
Specific embodiment
Referring to the drawings, a specific embodiment of the invention is provided, for carrying out furtherly to structure of the invention
It is bright.
Embodiment 1
Waste and old paint kettle fusing, paint slag burn, and the oxygen-enriched natural gas shaft (tower) furnace of hot wind and electric mantle heater form duplex casting program: useless
Old paint kettle falls after raffinate, carries out briquetting processing into efficient hydropress, paint slag is concentrated to be processed in packaging container；When melting, pressure
Iron block, paint slag and various auxiliary materials after system are promoted to throat-fed above natural gas shaft furnace by automatic charging device, into
Material mouth corresponds to burner hearth center, guarantees that cloth is uniform, and feed inlet has a pneumatic door, and when charging automatically turns on, and the closing of remaining time is melted
System is in closed state, and tiny structure in furnace during refining, and the flue gas that the organic gas of pyrolytic and burning generate is almost
Do not escape；Fuel natural gas and combustion adjuvant oxygen provide heat by combustion system for melting in furnace；The iron liquid melted out turns
It is transported in electric mantle heater, adjusts iron liquid ingredient, so that it is met the requirement of cast article, be transported to air pressure insulated pouring furnace later,
It is poured.On-site test instrument carry out data acquisition, transmission, DCS control system to the flow of each medium, temperature, pressure with
And the parameters such as height of furnace charge, furnace gas component and molten iron temperature are monitored in real time, guarantee that the working of a furnace is stablized.
(2) the oxygen-enriched waste and old paint kettle of natural gas shaft (tower) furnace (containing paint slag) the melting fume treatment scheme of hot wind: waste and old paint kettle
Fusing, paint slag burn the flue gas generated after hot wind oxygen-enriched natural gas shaft (tower) furnace discharge, into secondary combustion chamber, by flue gas not
The carbon monoxide full combustion for the imperfect combustion generation of organic gas and fuel reacted completely generates carbon dioxide and water.It
Afterwards by gravitational dust collection, large dust particle in flue gas is removed；Air heat exchanger is entered back into, the combustion air that air blower is sent is pre-
Heat is to about 350 DEG C ~ 450 DEG C；Then denitration process is carried out, reaction temperature is about 950 DEG C, and the flue gas being discharged at this time still has higher
Temperature, therefore waste heat boiler Mist heat recovering is utilized, enter chilling tower later, carries out semidry method depickling；Flue gas after depickling
Using activated carbon adsorption, removing heavy metals are removed, utilize the moisture in calcium hydroxide removal flue gas；Enter bag filter, removal later
Minute solid particles object, then through smoke stack emission after the washed tower depickling of flue gas, heating.Temperature during fume treatment, flow,
The parameters such as pressure, lye pH value carry out under the monitoring of control system.
Beneficial effect of the present invention is analyzed as follows:
(1) reduce the pollution in waste and old paint kettle treatment process.The processing scheme is used using natural gas as the oxygen-enriched of main fuel
Hot wind natural gas shaft furnace carries out paint kettle fusing, and compared to traditional furnace cupola, blast furnace etc., fluff pulp is small in flue gas, and
By the smoke processing system, discharging flue gas can reach environmental protection standard.In addition, feed inlet is closed using pneumatic door, it is whole when melting
A system is in closed state, reduces the evolution of the organic gas volatilized under high temperature.
(2) waste and old paint kettle investment ratio is unrestricted.Due to using duplex eaf process, iron liquid can be adjusted in electric furnace
Ingredient, eliminates influence of the paint kettle iron sheet ingredient to cast product ingredient, and iron sheet input amount is unrestricted.
(3) treatment process is saved.Iron sheet part is converted into new cast article in waste and old paint kettle, and paint slag etc. is organic
The exhaust gas that generates can reach discharge standard by processing after object burning, compared at present first by waste and old paint kettle depainting, it is broken after
It is transported to the processing method of professional treatment producer again, process substantially reduces.
(4) operation is easy and efficient.Melting systems and smoke processing system carry out under the monitoring of control system, can root
Operating parameter is adjusted in real time according to field working conditions.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic shape, these simple deformations all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (4)
1. handling the process of waste and old paint kettle using the oxygen-enriched natural gas shaft furnace of hot wind, it is characterized in that, including following processing step
It is rapid:
S1: it will be sent into the oxygen-enriched natural gas shaft furnace of hot wind through briquetting treated waste and old paint kettle and paint slag, after fusing is burned, produced
Raw iron liquid and flue gas is respectively processed；
S2: iron liquid is transported to adjustment iron liquid ingredient and temperature in electric furnace, is transported to pouring furnace later, closes through ingredient and temperature detection
After lattice, for being poured casting；
S3, the flue gas after the oxygen-enriched natural gas shaft furnace discharge of hot wind contain the imperfect combustion carbon monoxide in part and organic gas
Body carries out gravitational dust collection after feeding secondary combustion chamber burns again；
S4, large dust particle in flue gas is removed through gravitational dust collection, flue gas enters air heat exchanger cooling, the cigarette after exchanging heat later
Gas is divided into two-way, is recycled in the oxygen-enriched natural gas shaft furnace of hot wind as combustion-supporting gas all the way, gas of the another way after cooling down into
Row denitration process；
S5, the flue gas after denitration process are passed through waste heat boiler, waste heat boiler Mist heat recovering, flue gas release heat as heat source
Reach cooling purpose again while energy；
S6, flue gas carry out spraying cooling via chilling tower is entered after waste heat boiler, while carrying out semidry method depickling to flue gas；
Flue gas utilization activated carbon adsorption after S7, depickling removes the heavy metal in flue gas；
S8, the moisture in flue gas is removed using calcium hydroxide, flue-gas temperature is 120-150 DEG C at this time；
S9, flue gas enter bag filter, remove minute solid particles object；
Flue gas after S10, dedusting enters in scrubbing tower, carries out desulfurization process to flue gas with lye spray；
Treated that flue gas meets emission request for S11, washed tower, is discharged via air-introduced machine.
2. handling the process of waste and old paint kettle using the oxygen-enriched natural gas shaft furnace of hot wind as described in claim 1, feature exists
In
For the oxygen-enriched natural gas shaft furnace of hot wind using natural gas as fuel, oxygen-enriched air is combustion adjuvant.
3. handling the process of waste and old paint kettle using the oxygen-enriched natural gas shaft furnace of hot wind as claimed in claim 2, feature exists
In
The hot wind oxygen-enriched natural gas feeding of shaft furnace mouth automatically turns on when having charging, remaining time closed pneumatic door, the gas
Dynamic door carries out decomposition reaction in confined conditions, meets the reaction condition of paint pyrolytic.
4. handling the process of waste and old paint kettle using the oxygen-enriched natural gas shaft furnace of hot wind as claimed in claim 2, feature exists
In
The combustion-supporting gas preheating temperature is to 350-450 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077815.4A CN109357268B (en) | 2018-09-16 | 2018-09-16 | Process method for treating waste paint buckets by utilizing hot air oxygen-enriched natural gas in shaft furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811077815.4A CN109357268B (en) | 2018-09-16 | 2018-09-16 | Process method for treating waste paint buckets by utilizing hot air oxygen-enriched natural gas in shaft furnace |
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| Publication Number | Publication Date |
|---|---|
| CN109357268A true CN109357268A (en) | 2019-02-19 |
| CN109357268B CN109357268B (en) | 2020-09-08 |
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| CN201811077815.4A Active CN109357268B (en) | 2018-09-16 | 2018-09-16 | Process method for treating waste paint buckets by utilizing hot air oxygen-enriched natural gas in shaft furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111808621A (en) * | 2020-07-04 | 2020-10-23 | 上海和惠生态环境科技有限公司 | Organic hazardous waste treatment process |
| CN112371703A (en) * | 2020-11-23 | 2021-02-19 | 方军杰 | Environment-friendly scrapped paint bucket processor and using method thereof |
| CN114308996A (en) * | 2022-01-10 | 2022-04-12 | 大连市环境保护有限公司产业废弃物处理厂 | Waste paint bucket recycling treatment process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454242A (en) * | 1974-04-16 | 1976-11-03 | Ceretti Ind Spa | Process for continuously heating and melting prereduced iron ore |
| CN1316533A (en) * | 2000-04-03 | 2001-10-10 | 李宪图 | Process for smelting cast iron dregs |
| CN102679350A (en) * | 2012-05-11 | 2012-09-19 | 王林海 | Gas and oxygen mixed combustion method for cupola furnace and cupola furnace |
| CN106180157A (en) * | 2016-09-08 | 2016-12-07 | 重庆伟晋环保科技有限公司 | The method utilizing blast furnace harmlessness disposing waste oil paint can |
-
2018
- 2018-09-16 CN CN201811077815.4A patent/CN109357268B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454242A (en) * | 1974-04-16 | 1976-11-03 | Ceretti Ind Spa | Process for continuously heating and melting prereduced iron ore |
| CN1316533A (en) * | 2000-04-03 | 2001-10-10 | 李宪图 | Process for smelting cast iron dregs |
| CN102679350A (en) * | 2012-05-11 | 2012-09-19 | 王林海 | Gas and oxygen mixed combustion method for cupola furnace and cupola furnace |
| CN106180157A (en) * | 2016-09-08 | 2016-12-07 | 重庆伟晋环保科技有限公司 | The method utilizing blast furnace harmlessness disposing waste oil paint can |
Non-Patent Citations (2)
| Title |
|---|
| 中华人民共和国第一机械工业部统编: "《机械工人技术培训教材 化铁工艺学》", 30 November 1982, 科学普及出版社 * |
| 秦明森，王方智主编: "《实用物流技术》", 31 October 1991, 中国物资出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111808621A (en) * | 2020-07-04 | 2020-10-23 | 上海和惠生态环境科技有限公司 | Organic hazardous waste treatment process |
| CN112371703A (en) * | 2020-11-23 | 2021-02-19 | 方军杰 | Environment-friendly scrapped paint bucket processor and using method thereof |
| CN114308996A (en) * | 2022-01-10 | 2022-04-12 | 大连市环境保护有限公司产业废弃物处理厂 | Waste paint bucket recycling treatment process |
| CN114308996B (en) * | 2022-01-10 | 2023-03-14 | 大连市环境保护有限公司产业废弃物处理厂 | Waste paint bucket recycling treatment process |
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| Publication number | Publication date |
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| CN109357268B (en) | 2020-09-08 |
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