CN205199294U - Device for low concentration SO2 flue gas desulfurization with basicity waste liquid - Google Patents
Device for low concentration SO2 flue gas desulfurization with basicity waste liquid Download PDFInfo
- Publication number
- CN205199294U CN205199294U CN201520938585.1U CN201520938585U CN205199294U CN 205199294 U CN205199294 U CN 205199294U CN 201520938585 U CN201520938585 U CN 201520938585U CN 205199294 U CN205199294 U CN 205199294U
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- CN
- China
- Prior art keywords
- flue gas
- ore pulp
- tower
- active
- low concentration
- 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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Links
- 239000002699 waste material Substances 0.000 title claims abstract description 84
- 239000003546 flue gas Substances 0.000 title claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 25
- 230000023556 desulfurization Effects 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 title claims abstract description 25
- 239000003792 electrolyte Substances 0.000 claims abstract description 63
- 238000010521 absorption reaction Methods 0.000 claims abstract description 50
- 230000000694 effects Effects 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims description 51
- 239000012717 electrostatic precipitator Substances 0.000 claims description 13
- 230000003009 desulfurizing effect Effects 0.000 claims description 4
- 230000001869 rapid Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 238000003723 Smelting Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 241001062472 Stokellia anisodon Species 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract description 2
- 241001417490 Sillaginidae Species 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000011272 standard treatment Methods 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007616 round robin method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a device for low concentration SO2 flue gas desulfurization with basicity waste liquid, the device mainly includes SO2 flue gas absorption tower, electric demister, active ore pulp buffer tank, active ore pulp absorption liquid buffer tank, the spent electrolyte buffer tank, spent electrolyte circulating slot and the tail chimney of discharging fume, at first utilize twice absorption of alkaline composition in the active ore pulp to smelt the acid gas SO2 in the flue gas, then utilize the alkaline composition among the spent electrolyte further to absorb the acid gas SO2 who smelts in the flue gas, detach the mine dust of smelting in the flue gas simultaneously, two kinds of waste lyes of active ore pulp and spent electrolyte have greatly been utilized, simple technical process, and reliable in operation, desulfurization effect is showing and the investment is hanged down, small occupation area, the operation is thus simple, only need less cost can accomplish the desulfurization to the low concentration SO2 flue gas of huge tolerance, desulphurization process's raw materials cost is reduced, and can not produce new discarded object, environmental protection gas collection SO2 up to standard economic standard treatment's mesh is realized through waste control by waste.
Description
Technical field
The utility model belongs to ore dressing, smelting and chemical technology field, is specifically related to one and utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization.
Background technology
Ambrose alloy pyrometallurgical smelting factory can produce a large amount of SO in smelt production
2flue gas during smelting.High concentration SO
2flue gas generally adopts the mode of extracting sulfuric acid to reclaim, but the environmental protection gas collection of metallurgical furnace kiln generation disperses owing to producing, exhaust gas volumn is large, SO
2the factors such as concentration is low, fluctuation is large, recycling and administration difficulty is large.Conventional administering method has lime method, activated coke method, Novel carbon catalysis method, ionic liquid round-robin method, sodium alkali, citrate absorption process, ammonia process etc., but the problems such as the new discarded object of high, the easy generation of ubiquity production cost.
Utility model content
The purpose of this utility model is to solve the technical problem existed in prior art, provides that a kind of desulfurization degree is high, operating cost is low, the alkaline waste liquor that utilizes that is pollution-free, the treatment of wastes with processes of wastes against one another carries out low concentration SO
2the device of flue gas desulfurization.
In order to achieve the above object, the utility model by the following technical solutions: one utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, comprises SO
2smoke absorption tower, electrostatic precipitator, active ore pulp surge tank, active ore pulp absorbing liquid surge tank, waste electrolyte surge tank, waste electrolyte circulating slot and tail smoke evacuation chimney, described SO
2the reverse jet tube end of smoke absorption tower is connected with relay air blower through flue, described SO
2circulating slot at the bottom of the tower of smoke absorption tower is connected with active ore pulp surge tank by active pulp conveying pump, described SO
2circulating slot at the bottom of the tower of smoke absorption tower is connected with the active ore pulp shower nozzle of reverse jet tube shower nozzle and Ta Nei middle and lower part respectively by active ore pulp circulating pump, described SO
2circulating slot at the bottom of the tower of smoke absorption tower is connected with active ore pulp absorbing liquid surge tank by active ore pulp absorbing liquid circulating pump, described SO
2the distribution device bottom land of smoke absorption tower is connected with waste electrolyte circulating slot by pipeline, described waste electrolyte circulating slot is connected with tower internal upper part waste electrolyte shower nozzle by waste electrolyte circulating pump, described waste electrolyte circulating slot is connected with waste electrolyte surge tank, described SO
2the top of smoke absorption tower is connected with electrostatic precipitator, and described electrostatic precipitator is connected with tail smoke evacuation chimney.
Further, described waste electrolyte circulating slot is provided with waste electrolyte delivery pipe.
Further, described active pulp conveying pump is two groups.
Further, described active ore pulp circulating pump is three groups.
Further, described active ore pulp absorbing liquid delivery pump is two groups.
Further, described waste electrolyte circulating pump is two groups.
Further, described SO
2smoke absorption tower is that Two-way Cycle rapids rushes desulfurizing tower.
The utility model hinge structure has following beneficial effect: the alkaline waste liquor that utilizes of the present utility model carries out low concentration SO
2the device of flue gas desulfurization mainly comprises SO
2smoke absorption tower, electrostatic precipitator, active ore pulp surge tank, active ore pulp absorbing liquid surge tank, waste electrolyte surge tank, waste electrolyte circulating slot and tail smoke evacuation chimney, its waste liquid adopting the active ore pulp that produces in nickel, copper ore dressing process and nickel, copper metal electrolysis processes to produce is as desulfurizing agent, and wherein active ore pulp contains a certain amount of MgO, CaO, Al
2o
3, Fe
2o
3in basic anhydride, pH is about 9-10, and waste electrolyte is the waste liquid that potroom produces when removing the heavy metal elements such as Ni, Cu, Co in electrolyte, and main component is Na
2cO
3, NaHCO
3, pH value is 7.5-8.5.First the utility model utilizes the alkaline components in active ore pulp to absorb sour gas SO in flue gas during smelting for twice
2, then utilize the alkaline components in waste electrolyte to absorb sour gas SO in flue gas during smelting further
2, remove the mine dust in flue gas during smelting simultaneously, greatly make use of active ore pulp and waste electrolyte two kinds of spent lyes, technological process is simple, reliable, significant desulfurization effect and invest low, and floor space is little, simple to operate, only the less cost of need can complete the low concentration SO to huge tolerance
2the desulfurization of flue gas, reduces the cost of material of sweetening process, and can not produce new discarded object, realizes environmental protection gas collection SO by the treatment of wastes with processes of wastes against one another
2the object of economy up to standard process up to standard.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The utility model Reference numeral implication is as follows: 1, relay air blower; 2, SO
2smoke absorption tower; 3, electrostatic precipitator; 4, active ore pulp surge tank; 5, active pulp conveying pump; 6, active ore pulp circulating pump; 7, active ore pulp absorbing liquid surge tank; 8, active ore pulp absorbing liquid circulating pump; 9, waste electrolyte surge tank; 10, waste electrolyte circulating slot; 11, waste electrolyte circulating pump; 12, tail smoke evacuation chimney; 13, reverse jet tube; 14, reverse jet tube shower nozzle; 15, the active ore pulp shower nozzle in middle and lower part in tower; 16, tower internal upper part waste electrolyte shower nozzle; 17, waste electrolyte delivery pipe.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, one utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, comprises SO
2smoke absorption tower 2, electrostatic precipitator 3, active ore pulp surge tank 4, active ore pulp absorbing liquid surge tank 7, waste electrolyte surge tank 9, waste electrolyte circulating slot 10 and tail smoke evacuation chimney 12, SO
2smoke absorption tower 2 rushes desulfurizing tower for Two-way Cycle rapids, comprise reverse jet tube 13 and absorption tower body, reverse jet tube 13 is made up of changeover portion, inverse spray section and straight length, play a part to connect flue and absorption tower tower body, absorption tower body comprises the active ore pulp shower nozzle 15 in middle and lower part in circulating slot at the bottom of tower body, tower, reverse jet tube shower nozzle 14, tower, distribution device, tower internal upper part waste electrolyte shower nozzle 16, SO
2reverse jet tube 13 end of smoke absorption tower 2 is connected with relay air blower 1, SO through flue
2circulating slot at the bottom of the tower of smoke absorption tower 2 is opened one standby by two groups of active pulp conveying pump 5(mono-) be connected with active ore pulp surge tank 4, SO
2circulating slot at the bottom of the tower of smoke absorption tower 2 is opened one standby by three groups of active ore pulp circulating pump 6(two) be connected with the active ore pulp shower nozzle 15 of reverse jet tube shower nozzle 14 and Ta Nei middle and lower part respectively, SO
2circulating slot at the bottom of the tower of smoke absorption tower 2 is opened one standby by two groups of active ore pulp absorbing liquid circulating pump 8(mono-) be connected with active ore pulp absorbing liquid surge tank 7, SO
2the distribution device bottom land of smoke absorption tower 2 is connected with waste electrolyte circulating slot 10 by pipeline, waste electrolyte circulating slot 10 is opened one standby by two groups of waste electrolyte circulating pump 11(mono-) be connected with tower internal upper part waste electrolyte shower nozzle 16, waste electrolyte circulating slot 10 is connected with waste electrolyte surge tank 9, waste electrolyte circulating slot 10 is provided with waste electrolyte delivery pipe 17, SO
2the top of smoke absorption tower 2 is connected with electrostatic precipitator 3, and electrostatic precipitator 3 is connected with tail smoke evacuation chimney 12.
The above-mentioned alkaline waste liquor that utilizes is carried out low concentration SO
2application of installation low concentration SO when normal production of flue gas desulfurization
2flue gas (SO
2concentration: 1950mg/Nm
3-5270mg/Nm
3, mean concentration is 2860mg/Nm
3, exhaust gas volumn: 48520Nm
3/ h-165130Nm
3/ h, average tolerance is 106825Nm
3/ h) desulfurization in, due to SO
2concentration is lower, only adopts active ore pulp desulfurization can make flue gas qualified discharge, specifically comprises the following steps: active pulp conveying ore dressing produced to active ore pulp surge tank 4, and is delivered to SO through active pulp conveying pump 5
2circulating slot at the bottom of the tower of smoke absorption tower 2, SO
2active ore pulp in circulating slot at the bottom of the tower of smoke absorption tower 2 is delivered to the active ore pulp shower nozzle 15 of reverse jet tube shower nozzle 14 and Ta Nei middle and lower part respectively through active ore pulp circulating pump 6; Low concentration SO
2flue gas is delivered to SO by relay air blower 1
2the reverse jet tube 13 of smoke absorption tower 2, the active ore pulp counter current contacting sprayed with reverse jet tube shower nozzle 14, to the SO in flue gas
2carry out first time absorption, entered SO by the flue gas after absorbing for the first time
2in smoke absorption tower 2, the active ore pulp counter current contacting sprayed with the active ore pulp shower nozzle 15 in middle and lower part in tower, to the SO in flue gas
2carry out second time to absorb; SO
2concentration remains on 100mg/Nm substantially
3below, meet qualified discharge standard, pass through SO
2the top of smoke absorption tower 2 enters in electrostatic precipitator 3, and the acid mist in removing flue gas, enters in tail smoke evacuation chimney 12 and discharge.Absorb saturated after active ore pulp absorbing liquid (pH value is down to 7.5 by 9.8) be settled down to SO
2circulating slot at the bottom of the tower of smoke absorption tower 2, is delivered to active ore pulp absorbing liquid surge tank 7 through active ore pulp absorbing liquid circulating pump 8.
Embodiment 2
The alkaline waste liquor that utilizes in the present embodiment carries out low concentration SO
2the device of flue gas desulfurization, with embodiment 1, is applied to that the fluctuation of certain flue gas during smelting is comparatively large, SO
2exceed certain low concentration SO when concentration for the treatment of
2flue gas (SO
2concentration: 4500mg/Nm
3-9000mg/Nm
3, mean concentration: 6570mg/Nm
3; Exhaust gas volumn: 82850Nm
3/ h-171190Nm
3/ h, average tolerance: 127020Nm
3/ h) desulfurization in, specifically comprise the following steps: active pulp conveying ore dressing produced to active ore pulp surge tank 4, and is delivered to SO through active pulp conveying pump 5
2circulating slot at the bottom of the tower of smoke absorption tower 2, SO
2active ore pulp in circulating slot at the bottom of the tower of smoke absorption tower 2 is delivered to the active ore pulp shower nozzle 15 of reverse jet tube shower nozzle 14 and Ta Nei middle and lower part respectively through active ore pulp circulating pump 6; Waste electrolyte from nickel, copper, cobalt potroom is delivered to waste electrolyte surge tank 9, and flows in waste electrolyte circulating slot 10, is delivered to tower internal upper part waste electrolyte shower nozzle 16 through waste electrolyte circulating pump 11; Low concentration SO
2flue gas is delivered to SO by relay air blower 1
2the reverse jet tube 13 of smoke absorption tower 2, the active ore pulp counter current contacting sprayed with reverse jet tube shower nozzle 14, to the SO in flue gas
2carry out first time absorption, entered SO by the flue gas after absorbing for the first time
2in smoke absorption tower 2, the active ore pulp counter current contacting sprayed with the active ore pulp shower nozzle 15 in middle and lower part in tower, to the SO in flue gas
2carry out second time to absorb; Absorb saturated after active ore pulp absorbing liquid (pH value is down to 6.5 by 9.8) be settled down to SO
2circulating slot at the bottom of the tower of smoke absorption tower 2, is delivered to active ore pulp absorbing liquid surge tank 7 through active ore pulp absorbing liquid circulating pump 8; SO is passed through by the flue gas after absorbing for the second time
2the distribution device of smoke absorption tower 2 enters waste electrolyte security personnel absorber portion, the waste electrolyte counter current contacting sprayed with tower internal upper part waste electrolyte shower nozzle 16, utilizes waste electrolyte to carry out security personnel to flue gas and absorbs, guarantee the SO in tail smoke discharging
2concentration is up to standard; Waste electrolyte after absorption is deposited on SO
2the distribution device bottom land of smoke absorption tower 2, flow into waste electrolyte circulating slot 10 Inner eycle to use, discharge from waste electrolyte delivery pipe 17 when in waste electrolyte circulating slot 10, waste electrolyte pH value is reduced to 7.1, (flue gas concentration remains on 110mg/Nm to the flue gas after waste electrolyte absorbs
3below, qualified discharge standard is met) pass through SO
2the top of smoke absorption tower 2 enters in electrostatic precipitator 3, and the acid mist in removing flue gas, enters in tail smoke evacuation chimney 12 and discharge.
Claims (7)
1. one kind utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: comprise SO
2smoke absorption tower (2), electrostatic precipitator (3), active ore pulp surge tank (4), active ore pulp absorbing liquid surge tank (7), waste electrolyte surge tank (9), waste electrolyte circulating slot (10) and tail smoke evacuation chimney (12), described SO
2reverse jet tube (13) end of smoke absorption tower (2) is connected with relay air blower (1) through flue, described SO
2circulating slot at the bottom of the tower of smoke absorption tower (2) is connected with active ore pulp surge tank (4) by active pulp conveying pump (5), described SO
2circulating slot at the bottom of the tower of smoke absorption tower (2) is connected with middle and lower part activity ore pulp shower nozzle (15) in reverse jet tube shower nozzle (14) and tower respectively by active ore pulp circulating pump (6), described SO
2circulating slot at the bottom of the tower of smoke absorption tower (2) is connected with active ore pulp absorbing liquid surge tank (7) by active ore pulp absorbing liquid circulating pump (8), described SO
2the distribution device bottom land of smoke absorption tower (2) is connected with waste electrolyte circulating slot (10) by pipeline, described waste electrolyte circulating slot (10) is connected with tower internal upper part waste electrolyte shower nozzle (16) by waste electrolyte circulating pump (11), described waste electrolyte circulating slot (10) is connected with waste electrolyte surge tank (9), described SO
2the top of smoke absorption tower (2) is connected with electrostatic precipitator (3), and described electrostatic precipitator (3) is connected with tail smoke evacuation chimney (12).
2. one according to claim 1 utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: described waste electrolyte circulating slot (10) is provided with waste electrolyte delivery pipe (17).
3. one according to claim 1 utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: described active pulp conveying pump (5) is two groups.
4. one according to claim 1 utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: described active ore pulp circulating pump (6) is three groups.
5. one according to claim 1 utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: described active ore pulp absorbing liquid delivery pump (8) is two groups.
6. one according to claim 1 utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: described waste electrolyte circulating pump (11) is two groups.
7. one according to claim 1 utilizes alkaline waste liquor to carry out low concentration SO
2the device of flue gas desulfurization, is characterized in that: described SO
2smoke absorption tower (2) rushes desulfurizing tower for Two-way Cycle rapids.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938585.1U CN205199294U (en) | 2015-11-23 | 2015-11-23 | Device for low concentration SO2 flue gas desulfurization with basicity waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938585.1U CN205199294U (en) | 2015-11-23 | 2015-11-23 | Device for low concentration SO2 flue gas desulfurization with basicity waste liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205199294U true CN205199294U (en) | 2016-05-04 |
Family
ID=55837039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520938585.1U Active CN205199294U (en) | 2015-11-23 | 2015-11-23 | Device for low concentration SO2 flue gas desulfurization with basicity waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205199294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268307A (en) * | 2015-11-23 | 2016-01-27 | 金川集团股份有限公司 | Device and method for carrying out low-concentration SO2 smoke desulfurization through alkaline waste liquid |
-
2015
- 2015-11-23 CN CN201520938585.1U patent/CN205199294U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268307A (en) * | 2015-11-23 | 2016-01-27 | 金川集团股份有限公司 | Device and method for carrying out low-concentration SO2 smoke desulfurization through alkaline waste liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240201 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737103 No. 98, Jinchuan Road, Jinchang, Gansu Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |