CN108283880A - A kind of modularization desulfurization and dedusting spray column - Google Patents
A kind of modularization desulfurization and dedusting spray column Download PDFInfo
- Publication number
- CN108283880A CN108283880A CN201810039002.XA CN201810039002A CN108283880A CN 108283880 A CN108283880 A CN 108283880A CN 201810039002 A CN201810039002 A CN 201810039002A CN 108283880 A CN108283880 A CN 108283880A
- Authority
- CN
- China
- Prior art keywords
- babinet
- pipe
- dust filtering
- modularization
- desulfurization
- 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
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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
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/266—Drying gases or vapours by filtration
-
- 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
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/93—Toxic compounds not provided for in groups B01D2257/00 - B01D2257/708
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a kind of modularization desulfurization and dedusting spray columns, including babinet, dust filtering case and escape pipe, the inner cavity top of babinet is equipped with partition board, the inner cavity of babinet is separated into spray chamber and medicine cavity by partition board, the inner cavity roof of spray chamber is equipped with spray equipment, the bottom end perforation connection blow-off pipe of spray chamber, the left-hand end bottom end of babinet is equipped with dust filtering case, the left-hand end bottom end perforation connection air inlet pipe of dust filtering case, dust filtering box cavity bottom wall is equipped with dust exhausting hole, the inner cavity of dust filtering case is equipped with the first dirt filtrating screen and the second dirt filtrating screen, the right-hand end perforation connection escape pipe of spray chamber, the inlet end of escape pipe is arranged with water treatment plant, the bottom end of babinet is uniformly equipped with several supporting legs；The present invention filters the floating dust in exhaust gas by dust filtering case, removes the hydrogen sulfide in removing exhaust gas by spray chamber, this purification style can reduce the unstability for concentrating purification, and can greatly improve the quality of purification, to minimize influence of the gas to environment；By the way that escape pipe is arranged, ensure the drying property of discharge gas.
Description
Technical field
The present invention relates to field of environment protection equipment, specially a kind of modularization desulfurization and dedusting spray column.
Background technology
Atmosphere pollution refers to that the content of some substances in air reaches harmful degree so that destroying the ecosystem and the mankind
The condition of normal existence and development, the phenomenon that causing damages to people or object.Atmosphere pollution is entered by artificial source or natural source
Air（Input）, participate in the cyclic process of air, after certain residence time, further through in air chemical reaction,
Biological activity and physics sedimentation are removed from air（Output）.If the rate of output is less than the rate of input, will be in air
In it is opposite gather, cause the concentration of certain substance in air to increase.It, will be direct or indirect when concentration increases to a certain extent
Acute, chronic hazard, air is caused just to be contaminated people, biology or material etc. in ground.
It is gradually increased with the environmental protection of the mankind, the mankind become more concerned with the quality of living environment around.Industry row
Hydrogen sulfide or sulfur dioxide gas and a large amount of dust particles contained in the exhaust gas put, wherein hydrogen sulfide gas can not only
Enough cause the poisoning of pipeline and catalyst, cause process conditions to deteriorate, the corrosion of equipment, and quite serious environment can be caused
Pollution, or even endanger human survival；And dust emission, it can be formed about highdensity air-borne dust in industrial area, these dust
Neighbouring air quality, Land Environment and aquatic environment are directly affected, there is far-reaching influence to environment, directly affects residence nearby
The life of the people.
Invention content
The purpose of the present invention is to provide a kind of modularization desulfurization and dedusting spray columns, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides the following technical solutions：
The inner cavity top of a kind of modularization desulfurization and dedusting spray column, including babinet, dust filtering case and escape pipe, babinet is equipped with partition board,
The inner cavity of babinet is separated into spray chamber and medicine cavity by partition board, and medicine cavity is located at the top of spray chamber, and the inner cavity roof of spray chamber is equipped with
The input end perforation of spray equipment, spray equipment connects pipe, the other end perforation of connecting tube be connected to the bottom end of medicine cavity and
It is arranged with control valve, the bottom end perforation connection blow-off pipe of spray chamber, the bottom wall of spray chamber is equipped with and the matched water conservancy diversion of blow-off pipe
The left-hand end bottom end of bucket, babinet is equipped with dust filtering case, is penetrated through by exhaust pipe at the top of the right-hand end of dust filtering case and is connected to spray chamber
Left-hand end, the left-hand end bottom end perforation connection air inlet pipe of dust filtering case, air inlet pipe are equipped with asepwirator pump, and dust filtering box cavity bottom wall is equipped with
The inner cavity of dust exhausting hole, dust filtering case is equipped with the first dirt filtrating screen and the second dirt filtrating screen, and the first dirt filtrating screen is located at the lower section of the second dirt filtrating screen,
First dirt filtrating screen and the second dirt filtrating screen are located at the top of air inlet pipe, and the right-hand end perforation of spray chamber connects escape pipe, escape pipe
Inlet end is arranged with water treatment plant, and water treatment plant is the arcuate structure of evagination, and the tube chamber of air inlet pipe is equipped with the successively from inside to outside
The bottom end of one filter layer, the second filter layer and protection network, babinet is uniformly equipped with several supporting legs.
Further, the inner cavity one side wall of medicine cavity is equipped with motor, and the motor shaft of motor is fixedly connected with shaft, shaft it is another
End is fixedly connected with the first stirring rod, and the left-hand end of the first stirring rod is arranged with the second stirring rod, the top of medicine cavity in both sides up and down
Perforation connection filler pipe.
Further, the bottom end of spray equipment is uniformly equipped with several nozzles.
Further, water conservancy diversion bucket is the taper bucket.
Further, dust exhausting hole is bellmouth.
Further, the mesh of the first dirt filtrating screen is more than the mesh of the second dirt filtrating screen.
Further, the first filter layer is desiccant layer, and the second filter layer is active carbon layer, and protection network is metal mesh establishment
It forms.
Further, the bottom end of babinet is uniformly set there are four supporting leg.
Compared with prior art, the present invention filters the floating dust in exhaust gas by dust filtering case, and removing exhaust gas is being removed by spray chamber
In the toxic gases such as hydrogen sulfide, this purification style can reduce the unstability for concentrating purification, and can greatly improve purification
Quality, to minimize influence of the gas to environment；By the way that escape pipe is arranged, ensure the drying property of discharge gas, and prevent
Molten toxic gas impacts environment in water mist, improves clean-up effect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of modularization desulfurization and dedusting spray column of the present invention；
Fig. 2 is a kind of structural schematic diagram of the dust filtering case of modularization desulfurization and dedusting spray column of the present invention.
In figure：1- babinets, 2- partition boards, 3- spray chambers, 4- medicine cavities, 5- motors, 6- shafts, the first stirring rods of 7-, 8- second
Stirring rod, 9- filler pipes, 10- control valves, 11- communicating pipes, 12- spray equipments, 13- nozzles, 14- dust filtering casees, 141- first are filtered
Dirt net, the second dirt filtrating screens of 142-, 143- dust exhausting holes, 15- asepwirator pumps, 16- air inlet pipe, 17- exhaust pipes, 18- escape pipes, 19- filters
Water installations, the first filter layers of 20-, the second filter layers of 21-, 22- protection networks, 23- water conservancy diversion buckets, 24- blow-off pipes, 25- supporting legs.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1~2, a kind of modularization desulfurization and dedusting spray column, including babinet 1, dust filtering case 14 and escape pipe 18, institute
The inner cavity top for stating babinet 1 is equipped with partition board 2, and the inner cavity of babinet 1 is separated into spray chamber 3 and medicine cavity 4, the medicine by the partition board 2
Chamber 4 is located at the top of spray chamber 3, and the inner cavity one side wall of medicine cavity 4 is equipped with motor 5, and the motor shaft of the motor 5 is fixedly connected with shaft
6, the other end of the shaft 6 is fixedly connected with the first stirring rod 7, and the left-hand end of first stirring rod 7 is symmetrically set both sides up and down
There are the second stirring rod 8, the top perforation connection filler pipe 9 of the medicine cavity 4；The inner cavity roof of the spray chamber 3 is equipped with spray and fills
12 are set, the bottom end of the spray equipment 12 is uniformly equipped with several nozzles 13, and the input end perforation of spray equipment 12 connects
The other end perforation of pipe 11, the connecting tube 11 is connected to the bottom end of medicine cavity 4 and is arranged with control valve 10, the spray chamber 3
Bottom end perforation connection blow-off pipe 24, the bottom wall of spray chamber 3 are equipped with and 24 matched water conservancy diversion bucket 23 of blow-off pipe, the water conservancy diversion bucket 23
It is the taper bucket, the left-hand end bottom end of the babinet 1 is equipped with dust filtering case 14, passes through exhaust pipe at the top of the right-hand end of the dust filtration case 14
17 perforations are connected to the left-hand end of spray chamber 3, the left-hand end bottom end perforation connection air inlet pipe 16 of dust filtering case 14, the air inlet pipe 16
It is equipped with asepwirator pump 15,14 bottom wall of inner cavity of dust filtering case is equipped with dust exhausting hole 143, and the dust exhausting hole 143 is bellmouth, dust filtering case 14
Inner cavity is equipped with the first dirt filtrating screen 141 and the second dirt filtrating screen 142, and first dirt filtrating screen 141 is located under the second dirt filtrating screen 142
Side, first dirt filtrating screen, 141 and second dirt filtrating screen 142 are located at the top of air inlet pipe 16, and the mesh of the first dirt filtrating screen 141 is more than
The mesh of second dirt filtrating screen 142, the right-hand end perforation connection escape pipe 18 of the spray chamber 3, the inlet end of the escape pipe 18
Be arranged with water treatment plant 19, the water treatment plant 19 is the arcuate structure of evagination, the tube chamber of the air inlet pipe 18 from inside to outside according to
Secondary to be equipped with the first filter layer 20, the second filter layer 21 and protection network 22, first filter layer 20 is desiccant layer, described second
Filter layer 21 is active carbon layer, and the protection network 22 is that metal mesh is worked out, and the bottom end of the babinet 1 is uniformly equipped with several
Supporting leg 25.
The present invention is in use, industrial waste gas is entered by air inlet pipe 16 in dust filtering case 14, through the first dirt filtrating screen 141 and second
The double medium filtration of dirt filtrating screen 142 removes the floating dust in removing exhaust gas, and the exhaust gas after preliminary purification enters through exhaust pipe 17 in spray chamber 3,
The medicine mist sprayed with spray equipment 12 mixes, and carries out neutralization dissolving to toxic gases such as hydrogen sulfide in exhaust gas so that exhaust gas obtains
To being fully cleaned up, purified exhaust gas is discharged by escape pipe 18, and purified exhaust gas passes through successively when by escape pipe 18
Water treatment plant 19, the first filter layer 20 and the second filter layer 21 ensure the dry of discharge gas to remove the steam in removing exhaust gas
It is dry, it prevents part noxious material from being discharged with steam, influences air quality.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (8)
1. a kind of modularization desulfurization and dedusting spray column, which is characterized in that including babinet（1）, dust filtering case（14）And escape pipe（18）,
Babinet（1）Inner cavity top be equipped with partition board（2）, partition board（2）Babinet（1）Inner cavity be separated into spray chamber（3）And medicine cavity（4）,
Medicine cavity（4）It is located at spray chamber（3）Top, spray chamber（3）Inner cavity roof be equipped with spray equipment（12）, spray equipment（12）'s
Input end perforation connects pipe（11）, connecting tube（11）The other end perforation be connected to medicine cavity（4）Bottom end and be arranged with control
Valve processed（10）, spray chamber（3）Bottom end perforation connection blow-off pipe（24）, spray chamber（3）Bottom wall be equipped with and blow-off pipe（24）Phase
The water conservancy diversion bucket of cooperation（23）, babinet（1）Left-hand end bottom end be equipped with dust filtering case（14）, dust filtering case（14）Right-hand end at the top of pass through
Exhaust pipe（17）Perforation is connected to spray chamber（3）Left-hand end, dust filtering case（14）Left-hand end bottom end perforation connection air inlet pipe
（16）, air inlet pipe（16）It is equipped with asepwirator pump（15）, dust filtering case（14）Bottom wall of inner cavity is equipped with dust exhausting hole（143）, dust filtering case（14）
Inner cavity be equipped with the first dirt filtrating screen（141）With the second dirt filtrating screen（142）, the first dirt filtrating screen（141）It is located at the second dirt filtrating screen（142）
Lower section, the first dirt filtrating screen（141）With the second dirt filtrating screen（142）It is located at air inlet pipe（16）Top, spray chamber（3）Right-hand end
Perforation connection escape pipe（18）, escape pipe（18）Inlet end be arranged with water treatment plant（19）, water treatment plant（19）It is evagination
Arcuate structure, air inlet pipe（18）Tube chamber from inside to outside successively be equipped with the first filter layer（20）, the second filter layer（21）And protection
Net（22）, babinet（1）Bottom end uniformly be equipped with several supporting legs（25）.
2. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that medicine cavity（4）Inner cavity one
Side wall is equipped with motor（5）, motor（5）Motor shaft be fixedly connected with shaft（6）, shaft（6）The other end be fixedly connected with first and stir
Mix bar（7）, the first stirring rod（7）Left-hand end up and down both sides be arranged with the second stirring rod（8）, medicine cavity（4）Top perforation
Connect filler pipe（9）.
3. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that spray equipment（12）Bottom
End is uniformly equipped with several nozzles（13）.
4. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that water conservancy diversion bucket（23）It is taper
Bucket.
5. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that dust exhausting hole（143）It is cone
Shape hole.
6. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that the first dirt filtrating screen（141）
Mesh be more than the second dirt filtrating screen（142）Mesh.
7. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that the first filter layer（20）It is
Desiccant layer, the second filter layer（21）It is active carbon layer, protection network（22）It is that metal mesh is worked out.
8. a kind of modularization desulfurization and dedusting spray column according to claim 1, which is characterized in that babinet（1）Bottom end it is equal
It is even to set that there are four supporting legs（25）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039002.XA CN108283880A (en) | 2018-01-16 | 2018-01-16 | A kind of modularization desulfurization and dedusting spray column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039002.XA CN108283880A (en) | 2018-01-16 | 2018-01-16 | A kind of modularization desulfurization and dedusting spray column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108283880A true CN108283880A (en) | 2018-07-17 |
Family
ID=62835288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039002.XA Pending CN108283880A (en) | 2018-01-16 | 2018-01-16 | A kind of modularization desulfurization and dedusting spray column |
Country Status (1)
| Country | Link |
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| CN (1) | CN108283880A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731474A (en) * | 2019-02-19 | 2019-05-10 | 江苏申江环境科技有限公司 | A kind of regenerating desulfurization technique and its device |
| CN110721584A (en) * | 2019-09-17 | 2020-01-24 | 上海蓝魂环保科技有限公司 | Device for desulfurizing and dedusting smoke discharged from ship by using seawater |
| CN110548368B (en) * | 2019-09-27 | 2020-06-16 | 深圳地环生态科技有限公司 | Energy-saving multiple-effect VOCs purification reactor |
| CN111482034A (en) * | 2020-04-21 | 2020-08-04 | 漯河职业技术学院 | Dust collecting device for electromechanical equipment |
| CN112058068A (en) * | 2020-09-23 | 2020-12-11 | 广东韶钢松山股份有限公司 | Intelligent steelmaking desulfurization equipment |
| CN115105920A (en) * | 2022-08-29 | 2022-09-27 | 南通君盛玻璃科技有限公司 | Glass tempering furnace with preheating device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205699971U (en) * | 2016-04-20 | 2016-11-23 | 王梦婷 | A kind of exhaust gas cleaner |
| CN206715634U (en) * | 2017-03-06 | 2017-12-08 | 上海玺苒环保工程有限公司 | A kind of desulfuration spray tower |
| CN206715656U (en) * | 2017-01-19 | 2017-12-08 | 镇江市高等专科学校 | Industrial chemicals combustion tail gas processing unit |
-
2018
- 2018-01-16 CN CN201810039002.XA patent/CN108283880A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205699971U (en) * | 2016-04-20 | 2016-11-23 | 王梦婷 | A kind of exhaust gas cleaner |
| CN206715656U (en) * | 2017-01-19 | 2017-12-08 | 镇江市高等专科学校 | Industrial chemicals combustion tail gas processing unit |
| CN206715634U (en) * | 2017-03-06 | 2017-12-08 | 上海玺苒环保工程有限公司 | A kind of desulfuration spray tower |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109731474A (en) * | 2019-02-19 | 2019-05-10 | 江苏申江环境科技有限公司 | A kind of regenerating desulfurization technique and its device |
| CN110721584A (en) * | 2019-09-17 | 2020-01-24 | 上海蓝魂环保科技有限公司 | Device for desulfurizing and dedusting smoke discharged from ship by using seawater |
| CN110548368B (en) * | 2019-09-27 | 2020-06-16 | 深圳地环生态科技有限公司 | Energy-saving multiple-effect VOCs purification reactor |
| CN111482034A (en) * | 2020-04-21 | 2020-08-04 | 漯河职业技术学院 | Dust collecting device for electromechanical equipment |
| CN112058068A (en) * | 2020-09-23 | 2020-12-11 | 广东韶钢松山股份有限公司 | Intelligent steelmaking desulfurization equipment |
| CN115105920A (en) * | 2022-08-29 | 2022-09-27 | 南通君盛玻璃科技有限公司 | Glass tempering furnace with preheating device |
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Application publication date: 20180717 |
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| RJ01 | Rejection of invention patent application after publication |