CN108273363A - A kind of attached waste gas containing fluoride processing unit of double suction - Google Patents
A kind of attached waste gas containing fluoride processing unit of double suction Download PDFInfo
- Publication number
- CN108273363A CN108273363A CN201810317382.9A CN201810317382A CN108273363A CN 108273363 A CN108273363 A CN 108273363A CN 201810317382 A CN201810317382 A CN 201810317382A CN 108273363 A CN108273363 A CN 108273363A
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- Prior art keywords
- adsorption chamber
- adsorption
- waste gas
- chamber
- gas containing
- 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
- 239000002912 waste gas Substances 0.000 title claims abstract description 40
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 title claims abstract description 31
- 238000001179 sorption measurement Methods 0.000 claims abstract description 93
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 13
- 230000001869 rapid Effects 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 21
- 239000007789 gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 239000011737 fluorine Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
Include the adsorption chamber positioned at upside being separated by partition board and the cooling chamber positioned at downside the invention discloses a kind of attached waste gas containing fluoride processing unit of double suction；It is staggeredly equipped with slotted plate in the cooling chamber；The adsorption chamber is divided into the first adsorption chamber and the second adsorption chamber by vertically disposed air flue；It is provided with the first air supporting valve between first adsorption chamber and partition board, the first rapid ball is provided in first adsorption chamber；Connect at the top of the air flue and first adsorption chamber, and connected by the second air supporting valve with second adsorption chamber bottom, the second rapid ball is provided in second adsorption chamber.The present invention provides a kind of efficient absorption processing unit suitable for high temperature waste gas containing fluoride, early period good cooling results, the later stage adsorbed using double suction alcove, absorbed more abundant.
Description
Technical field
The invention belongs to environment protection treatment fields, and in particular to a kind of emission-control equipment more particularly to a kind of double suction is attached contains
Fluorine emission-control equipment.
Background technology
Waste gas containing fluoride Treatment process is exactly to remove waste gas containing fluoride by the methods of absorption and sorption.Waste gas containing fluoride refers to containing fluorine
The gas for changing hydrogen and ocratation, is mainly derived from industrial processes；The electrolytic aluminium and steelmaking process of metallurgical industry；Chemical work
The phosphate fertilizer and fluoroplastics of industry produce；Cupola furnace of foundry industry etc. will discharge a large amount of waste gas containing fluoride.
The main method of purifying waste gas containing fluorine has wet absorption and Dry Adsorption.Dry cleaning processing, is straight with aluminium oxide
Absorption hydrogen fluoride is connect, and obtains fluoro-containing alumina.Wet absorption technique system uses liquid absorption method, washes by liquid fluorine-containing useless
Gas can reach the purpose of Recovery Purifying.Waste gas absorption in the prior art is mostly directly absorbed, however for the height of generation
If warm exhaust gas is also directly absorbed, the problem of absorbing liquid being caused to overheat.When the temperature increases, adsorption effect is deteriorated.Together
When, when high-temp waste gas is just contacted with absorbing liquid, or even absorbing liquid can be made to generate slightly boiling, common absorption equipment will produce not
The influence of profit.On the other hand, the mass-transfer efficiency of single absorption means need to be improved.
Therefore, it is necessary to develop a kind of efficient absorption processing unit specifically for high temperature waste gas containing fluoride.
Invention content
In order to overcome the above problem, the present invention to provide a kind of efficient absorption processing unit suitable for high temperature waste gas containing fluoride,
Early period good cooling results, the later stage adsorbed using double suction alcove, is absorbed more abundant.
The technical solution of the present invention is to provide a kind of attached waste gas containing fluoride processing units of double suction, include being separated by partition board
Adsorption chamber positioned at upside and the cooling chamber positioned at downside；Air inlet, the cooling are provided in the lower wall of the cooling chamber
Interior is staggeredly equipped with slotted plate, and the upper side wall of the cooling chamber is provided with cycle water inlet, the lower wall of the cooling chamber
On be additionally provided with circulating water outlet；The adsorption chamber is divided into the first adsorption chamber and the second absorption by vertically disposed air flue
Room；It is provided with the first air supporting valve between first adsorption chamber and partition board, the first rapid ball, institute are provided in first adsorption chamber
It states and is provided with the first adsorption liquid entrance at the top of the first adsorption chamber, the first absorption is provided in the lower wall of first adsorption chamber
Liquid exports；Connect at the top of the air flue and first adsorption chamber, the air flue passes through second with second adsorption chamber bottom
Air supporting valve connects；It is provided with the second rapid ball in second adsorption chamber, the second absorption is provided at the top of second adsorption chamber
Liquid entrance, the outlet of the second adsorption liquid is provided in the lower wall of second adsorption chamber, and the upper side wall of second adsorption chamber is set
It is equipped with gas outlet.
In a preferred embodiment, the first adsorption liquid entrance and the second adsorption liquid entrance are connected separately with
One spray head and the second spray head.First adsorption liquid can be the lower solution of alkalinity, for example, sodium bicarbonate, sodium carbonate,
The adsorption liquids such as ammonium hydroxide, second adsorption liquid are the strong base solutions such as potassium hydroxide, sodium hydroxide.It is carried out just by the first adsorption liquid
Step absorption, and adsorption effect is strengthened by the second adsorption liquid.
In a preferred embodiment, the bottom of first adsorption chamber is provided with the first rapid ball stand, and described the
It is provided with the first filter between one rapid ball stand and first spray head, is set between first filter and the first rapid ball stand
It is equipped with the first rapid ball；The bottom of second adsorption chamber is provided with the second rapid ball stand, the described second rapid ball stand and described the
It is provided with the second filter between two spray heads, the second rapid ball is provided between second filter and the second rapid ball stand.Work as gas
When body ascent rate reaches certain numerical value, bead suspends, and acutely rotation is seethed, and mutually collides, and reaches preferable mass transfer effect
Fruit.Correspondingly, the size of the first rapid ball is more than the size of the second rapid ball so that better in the turbulent mass transfer of the second adsorption chamber
Obviously.Preferably, the rapid ball is polytetrafluoroethylene (PTFE) rapids ball.Waste gas containing fluoride can be prevented to bead using polytetrafluoroethylene (PTFE) bead
Erosion.
In a preferred embodiment, circulating water pipe, recirculated water are connected between the recirculated water entrance and exit
Circulating pump is provided on pipe.Cooling water is endlessly passed through in cooling chamber by circulating pump, hot friendship is carried out to high-temp waste gas
It changes, high-temp waste gas is made to cool down.
In a preferred embodiment, it is additionally provided with cold-trap on the outside of the circulating water pipe, the cooling after heat exchange
Water can make its cooling, and be recycled into cooling chamber and cooled down to high-temp waste gas again again when passing through cold-trap.It is preferred that
, the circulating water pipe is arranged by S-shaped or spiral is arranged, and above-mentioned setting can further increase heat transfer area, reinforces cooling
Effect.
The beneficial effects of the invention are as follows：
1, the attached waste gas containing fluoride processing unit of double suction of the invention absorb handle when preposition cooling step, reduce high-temp waste gas
Damage to absorption equipment.In cooling procedure, by the aperture on sieve plate, high-temp waste gas is dispersed into minute bubbles, with cooling
Liquid comes into full contact with, and reaches liquid level across liquid layer, and heat transfer is fully, efficiently so that inputs the temperature of the waste gas containing fluoride of adsorption chamber
It is greatly reduced.
2, the attached waste gas containing fluoride processing unit of double suction of the invention is by being arranged double suction alcove, first by big rapids ball and low
The alkali adsorption liquid of concentration is tentatively adsorbed, and the effect of microparticle in certain sedimentation gas is also functioned to, and passes through small rapids again
Ball and the adsorption liquid of high concentration carry out reinforcement absorption, incremental by dual suction-operated so that mass transfer effect more preferably, is inhaled
It is attached more thorough.
3, the attached waste gas containing fluoride processing unit of double suction is simple in structure in the present invention, easy to use, is suitble to heavy industrialization high
The processing of warm waste gas containing fluoride.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Wherein, 1- ontologies, 11- air inlets, the gas outlets 12-, 2- partition boards, 3- adsorption chambers, the first adsorption chambers of 31-, 311- first inhale
Attached liquid entrance, the first spray heads of 312-, the first filters of 313-, the rapid balls of 314- first, the rapid ball stands of 315- first, 316- first inhale
Attached liquid exports, 317- the first air supporting valves, the second adsorption chambers of 32-, 321- the second adsorption liquid entrances, the second nozzles of 322-, 323- the
Two filters, the rapid balls of 324- second, the rapid ball stands of 325- second, the outlet of the second adsorption liquids of 326-, 327- the second air supporting valves, 33- gas
Road, 4- cooling chambers, 41- slotted plates, 42- cycle water inlets, 43- circulating water outlets, 44- circulating water pipes, 45- cold-traps, 46- are followed
Ring pumps.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, being a kind of attached waste gas containing fluoride processing unit of double suction of the present invention, wherein at the attached waste gas containing fluoride of double suction
Reason device body 1 includes the adsorption chamber 3 positioned at upside being separated by partition board 2 and the cooling chamber 4 positioned at downside；Cooling chamber 4
Lower wall on be provided with air inlet 11, be horizontally staggered in cooling chamber 4 and be provided with 6 pieces of slotted plates 41, the upper side wall of cooling chamber 4
It is provided with cycle water inlet 42, circulating water outlet 43 is additionally provided in the lower wall of cooling chamber 4；
Adsorption chamber 3 is divided into the first adsorption chamber 31 and the second adsorption chamber 32 by vertically disposed air flue 33；
It is provided with the first air supporting valve 317 between first adsorption chamber 31 and partition board 2, the first rapid ball is provided in the first adsorption chamber 31
314, the top of the first adsorption chamber 31 is provided with the first adsorption liquid entrance 311, and is provided in the lower wall of the first adsorption chamber 31
One adsorption liquid outlet 316；Air flue 33 connects with 31 top of the first adsorption chamber, and passes through the second air supporting with 32 bottom of the second adsorption chamber
Valve 327 connects；Second rapid ball 324 of the size less than the first rapid ball 314 is provided in second adsorption chamber 32, the second adsorption chamber 32
Top is provided with the second adsorption liquid entrance 321, and the second adsorption liquid outlet 326 is provided in the lower wall of the second adsorption chamber 32, the
The upper side wall of two adsorption chambers 326 is provided with gas outlet 12.
Further, the first adsorption liquid entrance 311 and the second adsorption liquid entrance 312 are connected separately with the first spray head 312
With the second spray head 322.Further, the bottom of the first adsorption chamber 31 is provided with the first rapid ball stand 315, the first rapid ball branch
It is provided with the first filter 313 between frame 315 and the first spray head 312, is set between the first filter 313 and the first rapid ball stand 315
It is equipped with the first rapid ball 314；The bottom of second adsorption chamber 32 is provided with the second rapid ball stand 325, the second rapid ball stand 325 and second
It is provided with the second filter 323 between spray head 322, the second rapid ball is provided between the second filter 323 and the second rapid ball stand 325
324.Wherein, 314 and second rapid ball 324 of the first rapid ball is polytetrafluoroethylene (PTFE) rapids ball.
It is connected with circulating water pipe 44 between cycle water inlet 42 and circulating water outlet 43, cold-trap is provided on circulating water pipe 44
45, circulating pump 46 is provided between cold-trap 45 and circulating water outlet 43.
Further, the S-shaped distribution in cold-trap 45 of circulating water pipe 44.
The operation principle of the attached waste gas containing fluoride processing unit of double suction of the present invention is：High temperature waste gas containing fluoride is entered by air inlet
Cooling chamber becomes minute bubbles to floating by the effect of slotted plate in cooling chamber, meanwhile, it will be through supercooling by circulating pump
The cooling water of trap is passed through in cooling chamber, and heat exchange is completed with the minute bubbles that exhaust gas is formed.Exhaust gas is gathered at the top of cooling chamber, when
When pressure reaches restriction numerical value, goes out the first air supporting valve and tentatively adsorbed into the first adsorption chamber, when the pressure drops, the
One air supporting valve is closed immediately, prevents the first adsorption liquid from entering lower layer's cooling chamber.Gas into the first adsorption chamber floats upwards, with
The the first adsorption liquid effect sprayed out, completes the initial absorption of fluorine, and then entering second by air flue and the second air supporting valve inhales
Alcove carries out secondary hardening absorption in the second adsorption chamber, then is discharged by top gas outlet.The purifying processing device of the present invention
It is suitable for high temperature waste gas containing fluoride, avoids injury of the high-temp waste gas to absorption tower, and adsorbed twice using double suction alcove, follow
Sequence is progressive, increases the efficiency of absorption waste gas containing fluoride.
The above example only one such embodiment of the present invention, the description thereof is more specific and detailed, but can not
Therefore it is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
It encloses.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of attached waste gas containing fluoride processing unit of double suction, it is characterised in that：It include the suction positioned at upside being separated by partition board
Alcove and cooling chamber positioned at downside；
It is provided with air inlet in the lower wall of the cooling chamber, slotted plate, the cooling are staggeredly equipped in the cooling chamber
The upper side wall of room is provided with cycle water inlet, and circulating water outlet is additionally provided in the lower wall of the cooling chamber；
The adsorption chamber is divided into the first adsorption chamber and the second adsorption chamber by vertically disposed air flue；
It is provided with the first air supporting valve between first adsorption chamber and partition board, the first rapid ball is provided in first adsorption chamber,
It is provided with the first adsorption liquid entrance at the top of first adsorption chamber, the first suction is provided in the lower wall of first adsorption chamber
Attached liquid exports；
Connect at the top of the air flue and first adsorption chamber, the air flue passes through the second air supporting with second adsorption chamber bottom
Valve connects；
It is provided with the second rapid ball in second adsorption chamber, the second adsorption liquid entrance is provided at the top of second adsorption chamber,
The outlet of the second adsorption liquid is provided in the lower wall of second adsorption chamber, the upper side wall of second adsorption chamber is provided with outlet
Mouthful.
2. the attached waste gas containing fluoride processing unit of double suction according to claim 1, it is characterised in that：The first adsorption liquid entrance
It is connected separately with the first spray head and the second spray head with the second adsorption liquid entrance.
3. the attached waste gas containing fluoride processing unit of double suction according to claim 1, it is characterised in that：The size of described first rapid ball
More than the size of the second rapid ball.
4. the attached waste gas containing fluoride processing unit of double suction according to claim 1, it is characterised in that：The bottom of first adsorption chamber
Portion is provided with the first rapid ball stand, and the first filter is provided between the described first rapid ball stand and first spray head, described
The first rapid ball is provided between first filter and the first rapid ball stand；The bottom of second adsorption chamber is provided with the second rapid ball branch
Frame is provided with the second filter, second filter and the second rapid ball between the described second rapid ball stand and second spray head
The second rapid ball is provided between holder.
5. the attached waste gas containing fluoride processing unit of double suction according to claim 1, it is characterised in that：The rapids ball is polytetrafluoroethyl-ne
Alkene rapids ball.
6. the attached waste gas containing fluoride processing unit of double suction according to claim 1, it is characterised in that：The cycle water inlet and go out
It is connected with circulating water pipe between mouthful, circulating pump is provided on circulating water pipe.
7. the attached waste gas containing fluoride processing unit of double suction according to claim 6, it is characterised in that：On the outside of the circulating water pipe also
It is provided with cold-trap.
8. the attached waste gas containing fluoride processing unit of double suction according to claim 7, it is characterised in that：The circulating water pipe passes through S
Shape is arranged or spiral setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810317382.9A CN108273363A (en) | 2018-04-10 | 2018-04-10 | A kind of attached waste gas containing fluoride processing unit of double suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810317382.9A CN108273363A (en) | 2018-04-10 | 2018-04-10 | A kind of attached waste gas containing fluoride processing unit of double suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108273363A true CN108273363A (en) | 2018-07-13 |
Family
ID=62811474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810317382.9A Pending CN108273363A (en) | 2018-04-10 | 2018-04-10 | A kind of attached waste gas containing fluoride processing unit of double suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108273363A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435094A (en) * | 2018-09-30 | 2019-03-08 | 淮阴工学院 | A kind of environmental protection mixer system |
| CN110618237A (en) * | 2019-09-23 | 2019-12-27 | 东北大学 | Fluorine concentration measuring device, fluorine concentration measuring method, and method for measuring adsorption efficiency of adsorbent |
| CN112495167A (en) * | 2020-11-11 | 2021-03-16 | 衡阳丰联精细化工有限公司 | Turbulent ball tower convenient to desulfurization |
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-
2018
- 2018-04-10 CN CN201810317382.9A patent/CN108273363A/en active Pending
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| Title |
|---|
| 上海第一医学院: "环境卫生学", 人民卫生出版社, pages: 288 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109435094A (en) * | 2018-09-30 | 2019-03-08 | 淮阴工学院 | A kind of environmental protection mixer system |
| CN110618237A (en) * | 2019-09-23 | 2019-12-27 | 东北大学 | Fluorine concentration measuring device, fluorine concentration measuring method, and method for measuring adsorption efficiency of adsorbent |
| CN112495167A (en) * | 2020-11-11 | 2021-03-16 | 衡阳丰联精细化工有限公司 | Turbulent ball tower convenient to desulfurization |
| CN112495167B (en) * | 2020-11-11 | 2023-07-28 | 衡阳丰联精细化工有限公司 | Turbulent ball tower convenient to desulfurization |
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