CN220513846U - Novel equipment for removing hydrogen sulfide rich liquid - Google Patents
Novel equipment for removing hydrogen sulfide rich liquid Download PDFInfo
- Publication number
- CN220513846U CN220513846U CN202321950617.0U CN202321950617U CN220513846U CN 220513846 U CN220513846 U CN 220513846U CN 202321950617 U CN202321950617 U CN 202321950617U CN 220513846 U CN220513846 U CN 220513846U
- Authority
- CN
- China
- Prior art keywords
- biochemical reactor
- pump
- flange
- hydrogen sulfide
- precipitator
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 43
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910000037 hydrogen sulfide Inorganic materials 0.000 title claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 34
- 238000005273 aeration Methods 0.000 claims abstract description 26
- 239000012716 precipitator Substances 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims abstract description 18
- 150000003839 salts Chemical class 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000010802 sludge Substances 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 11
- 238000005201 scrubbing Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims description 2
- 239000013049 sediment Substances 0.000 claims 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 244000005700 microbiome Species 0.000 description 8
- 238000006477 desulfuration reaction Methods 0.000 description 6
- 230000023556 desulfurization Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 230000004083 survival effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000008557 oxygen metabolism Effects 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses novel equipment for removing hydrogen sulfide rich liquid, which comprises a biochemical reactor, a washing tower, a precipitator, an aeration device, a circulating pump device, an alkali adding pump, a salt adding pump and a circulating liquid cooling device, wherein the washing tower is arranged at a first dirty pump inlet at the top of the biochemical reactor through a flange, one end of the first dirty pump inlet is connected with a cone barrel main body at the lower part of the washing tower, the precipitator is inlaid at the other side of the top of the biochemical reactor, one end of the precipitator is connected with a barrel arranged at the upper part of the precipitator by using a flange, the upper part of the biochemical reactor is also provided with an alkali adding port and a salt adding port, the biochemical reactor is internally provided with a spray defoaming device, the utility is realized by arranging an overflow port, biological washing liquid is regenerated and recovered to be reused, redundant liquid flows into an elemental sulfur separator after precipitation, and separated clear liquid flows back to the biochemical reactor to be used as a replenishing liquid for reuse.
Description
Technical Field
The utility model relates to the technical field of hydrogen sulfide rich liquid removal, in particular to novel equipment for removing hydrogen sulfide rich liquid.
Background
The technology for removing hydrogen sulfide is a new energy utilization technology developed in recent years, but along with continuous development and utilization of the petroleum and natural gas and methane fields, small-sized desulfurization equipment is lack, and large-sized desulfurization equipment is high in investment cost and large in occupied area, so that some available resources are abandoned due to overlarge investment, and aiming at the social requirement, a novel small-sized integrated equipment for removing hydrogen sulfide rich liquid is specially developed, is suitable for utilization and investment of resources in the middle and small-sized petroleum and natural gas and methane fields, can save equipment cost by 20-30%, reduces occupied area by about 50%, and eliminates hidden danger of blocking a washing tower by elemental sulfur.
However, the equipment for removing the hydrogen sulfide rich liquid is easy to produce dirt when being used for a long time, is complicated when being used for cleaning, and has reduced efficiency when being used, thereby providing a small novel equipment for removing the hydrogen sulfide rich liquid by methane, which can keep clean, has high sewage treatment efficiency and low land cost and manufacturing cost.
Therefore, the scheme designs novel equipment for removing the hydrogen sulfide rich liquid.
Disclosure of Invention
The utility model aims to provide novel equipment for removing hydrogen sulfide rich liquid, which aims to solve the problems that the equipment for removing hydrogen sulfide rich liquid is easy to produce dirt when being used for a long time, is complicated when being used for cleaning and has reduced efficiency when being used.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel equipment of desorption hydrogen sulfide pregnant solution, includes biochemical reactor, scrubbing tower, precipitator, aeration equipment and circulating pump device, adds alkali pump and salt pump in addition to still be equipped with circulating liquid's cooling device, the scrubbing tower pass through flange install in biochemical reactor's top first dirty pump import, first dirty pump import one end with scrubbing tower lower part awl bucket main part is connected, the opposite side at biochemical reactor top is inlayed to the precipitator, and one end is connected with the cask on precipitator upper portion with the flange, biochemical reactor upper portion still is equipped with alkali mouth and salt mouth, be equipped with in the biochemical reactor and spray the defoaming device, spray the defoaming device and fix through the support the center at biochemical reactor top.
Preferably, the washing tower comprises a cleaning device and a water removal filter, wherein the special pall ring is used in the washing tower.
Preferably, the upper flange for the settler is installed on the top lower flange of biochemical reactor, the one end of upper flange with the settler is connected with lower awl bucket, lower awl bucket has sludge pump access connection's flange and stretches out the second sludge pump import and the sludge pump that the biochemical reactor outside meets with the sludge pump, right sludge pump is installed to the end of sludge pump export, be provided with moisturizing cleaning port in the upper portion drum of settler, the internally mounted of settler has the gap that spills, spray defoaming mouth is installed in the left side of second sludge pump import, the top of settler still is equipped with the exhaust access hole, circulating pump device is installed in the left side of spray defoaming mouth.
Preferably, the aeration device is supplied with air by an aeration fan, a plurality of microporous aeration pipes are arranged on the air supply main pipe, and the tail ends of the microporous aeration pipes are provided with adjustable brackets.
Preferably, the circulating pump device is composed of two washing pumps and a control valve.
Compared with the prior art, the utility model has the beneficial effects that;
1. the biological washing liquid is regenerated and recovered to be alkaline for reuse through the overflow port, when the water level of the biochemical reactor reaches the overflow port, redundant liquid flows into the elemental sulfur separator, and after precipitation, the separated clear liquid flows back to the biochemical reactor to be reused as a replenishing liquid;
2. the utility model discloses a set up belt cleaning device, the washing tower includes belt cleaning device and distributes in the dewatering filter, the special matter pall ring that uses in the washing tower is convenient for carry out certain cleaning work to inside, and the special matter pall ring that uses in the washing tower can resist the corruption of various inorganic acids, organic acids and organic solvent beyond hydrofluoric acid HF, has acid-resistant, heat-resisting, high low temperature resistant, the characteristics of preventing the degradation, spray the washing head with flange and washing device's delivery pipe connection, the other end of delivery pipe links to each other with the spray pump outlet, to the inside tight water cleaning up effect that irritates.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic view of the defoaming port structure of the present utility model;
FIG. 3 is a schematic diagram of the microporous aerator pipe according to the utility model.
In the figure: 1. a biochemical reactor; 2. a washing tower; 3. a precipitator; 4. an aeration device; 5. a circulation pump device; 6. adding an alkali pump; 7. a salt adding pump; 8. a cooling device; 9. a flange; 10. a first dirty pump inlet; 11. a cone body; 12. an alkali adding port; 13. a salt adding port; 14. a cleaning device; 15. a water removal filter; 16. special pall ring; 17. an upper flange; 18. a lower flange; 19. a lower cone barrel; 20. a second dirty pump inlet; 21. a dirty pump outlet; 22. a water supplementing cleaning port; 23. an overflow port; 24. a defoaming port; 25. an exhaust access port; 26. microporous aeration pipes; 27. an adjustable bracket; 28. spraying and defoaming devices; 29. and a right sludge pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a novel equipment of desorption hydrogen sulfide pregnant solution, including biochemical reactor 1, scrubbing tower 2, precipitator 3, aeration equipment 4 and circulating pump device 5, add alkali pump 6 and add salt pump 7 in addition, and still be equipped with circulating liquid's cooling device 8, scrubbing tower 2 passes through flange 9 and installs in biochemical reactor 1's top first dirty pump import 10, first dirty pump import 10's one end is connected with scrubbing tower 2 lower part awl bucket main part 11, the opposite side at biochemical reactor (1) top is inlayed to precipitator 3, one end is connected with the cask of precipitator 3 upper portion with flange 9, biochemical reactor 1 upper portion still is equipped with and adds alkali mouth 12 and adds salt mouth 13, be equipped with in the biochemical reactor 1 and spray the defoaming device 28, spray the center at biochemical reactor 1 top is fixed through the support to the defoaming device 28.
Further, the washing tower 2 comprises a cleaning device 14 and a water removal filter 15, the special pall ring 16 used in the washing tower 2 is convenient for cleaning the inside, and the special pall ring 16 used in the washing tower 2 can resist corrosion of various inorganic acids, organic acids and organic solvents except hydrofluoric acid HF, and has the characteristics of acid resistance, heat resistance, high and low temperature resistance and degradation resistance.
Further, the precipitator 3 is mounted on the top lower flange 18 of the biochemical reactor 1 by an upper flange 17, one end of the upper flange 17 is connected with the precipitator 3 and a lower cone 19, the lower cone 19 is provided with a flange 9 connected with a sludge pump inlet and outlet and extends out of the biochemical reactor 1 to be connected with a second sludge pump inlet 20 and a sludge pump outlet 21 of the sludge pump, the tail end of the sludge pump outlet 21 is provided with a right sludge pump 29, a water supplementing cleaning port 22 is arranged in the upper cylinder of the precipitator 3, the inside of the precipitator 3 is provided with an overflow port 23, the left side of the second sludge pump inlet 20 is provided with a spraying defoaming port 24, the top of the precipitator 3 is also provided with an exhaust overhauling port 25, the left side of the spraying defoaming port 24 is provided with a circulating pump device 5, a certain amount of water is flushed into the biochemical reactor 1, a certain amount of biological strain is added, an alkali adding pump 6 and a salt adding pump 7 are added into the biochemical reactor 1 according to different ratios through an alkali adding port 12 and a nutrient salt adding port, then a fan is started, air is sent into the biochemical reactor 4 through an air inlet pipe, a micropore aeration pipe 26 is simultaneously, and air is sent into the aeration equipment by using oxygen is utilized for aerationThe method is characterized in that the stirring and oxygen transfer of liquid are realized by the circulation flow of reaction liquid caused by the difference of jet function and fluid gravity, the microorganism growth process is aerobic, the solubility of oxygen in aqueous solution is very low, the normal oxygen metabolism in fermentation is maintained, the transfer of oxygen from gas phase to liquid phase must be kept all the time in the microorganism growth survival process, meanwhile, nutrient salt solution and alkali solution are conveyed into a reactor filled with water through an aeration device 4 and a microporous aeration pipe 26 to keep the survival growth of microorganisms, after the solution in the equipment reaches a specified PH value, an alkali adding pump 6 and a salt adding pump 7 stop working, when a washing tower 2 works, a circulating pump device 5 extracts lean solution from a flange 9 of a biochemical reactor 1 to clean gas, alkaline biological washing liquid is sprayed out from the top of the washing tower 2, and sulfur-containing compounds mainly enter from the bottom of the washing tower 2 are mainly H 2 S gas is in countercurrent contact, and the washing liquid contains sulfate substances with desulfurization catalysis effect, so that H can be efficiently absorbed 2 S, and remove H 2 S, returning the washed rich liquid to the biochemical reactor 1 for biochemical treatment through a rich liquid return port, wherein the rich liquid contains H 2 S, finishing the regeneration of the biological washing liquid and recovering the alkalinity for repeated use through the treatment of the desulfurization microorganism.
Further, the aeration device 4 is supplied with air by an aeration fan, a plurality of microporous aeration pipes 26 are arranged on the air supply main pipe, and an adjustable bracket 27 is arranged at the tail end of each microporous aeration pipe 26.
Further, the circulating pump device 5 is composed of two washing pumps and control valves.
Working principle: adding a certain amount of water into a biochemical reactor 1, adding a certain amount of biological strains, adding an alkali adding pump 6 and a salt adding pump 7 into the biochemical reactor 1 according to different proportions through an alkali adding port 12 and a nutrient salt adding port, starting a fan, sending air into an aeration device 4 through an air inlet port, feeding oxygen into a micropore aeration pipe 26, and simultaneously realizing stirring and oxygen transfer of liquid by using the circulation flow of reaction liquid caused by the jet function of the air and the difference of the fluid gravity, wherein the microorganism growth process is aerobic, the solubility of oxygen in the aqueous solution is very low, and in order to maintain normal oxygen metabolism in fermentation, the oxygen must be always kept from gas phase to oxygen in the microorganism growth survival processThe liquid phase is transferred, meanwhile, nutrient salt solution and alkali solution are delivered into a reactor filled with water through an aeration device 4 and a microporous aeration pipe 26, so as to keep the survival and growth of microorganisms to be strong, after the solution in the equipment reaches a specified PH value, an alkali adding pump 6 and a salt adding pump 7 stop working, when a washing tower 2 works, a circulating pump device 5 extracts lean solution from a flange 9 of a biochemical reactor 1 to clean gas by a cleaning device 14, alkaline biological washing solution is sprayed out from the top of the washing tower 2, and sulfur-containing compounds mainly H enter from the bottom of the washing tower 2 2 S gas is in countercurrent contact, and the washing liquid contains sulfate substances with desulfurization catalysis effect, so that H can be efficiently absorbed 2 S, and remove H 2 S, returning the washed rich liquid to the biochemical reactor 1 for biochemical treatment through a rich liquid return port, wherein the rich liquid contains H 2 S, through the treatment of desulfurization microorganisms, the biological washing liquid is regenerated and is recovered to be alkaline for reuse, when the water level of the biochemical reactor 1 reaches the overflow port 23, redundant liquid flows into the elemental sulfur separator, and after precipitation, the separated clear liquid flows back to the biochemical reactor 1 to be reused as a replenishing liquid.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A novel device for removing hydrogen sulfide rich liquid, which is characterized in that; including biochemical reactor (1), scrubbing tower (2), precipitator (3), aeration equipment (4) and circulating pump device (5), add alkali pump (6) and add salt pump (7) in addition to still be equipped with cooling device (8) of circulating fluid, scrubbing tower (2) pass through flange (9) install in first dirty pump import (10) in top of biochemical reactor (1), the one end of first dirty pump import (10) with scrubbing tower (2) lower part awl bucket main part (11) are connected, the opposite side at biochemical reactor (1) top is inlayed in precipitator (3), and one end is connected with flange (9) for the cask on precipitator (3) upper portion, biochemical reactor (1) upper portion still is equipped with and adds alkali mouth (12) and adds salt mouth (13), be equipped with spray defoaming device (28) in biochemical reactor (1), defoaming device (28) are fixed through the support the center at biochemical reactor (1) top.
2. The novel apparatus for removing hydrogen sulfide rich liquid according to claim 1, characterized in that: the washing tower (2) comprises a cleaning device (14) and a special pall ring (16) which is distributed in a water removal filter (15), wherein the special pall ring is used in the washing tower (2).
3. The novel apparatus for removing hydrogen sulfide rich liquid according to claim 1, characterized in that: the utility model provides a biochemical reactor, including biochemical reactor (1) and sediment ware (3), install in upper flange (17) on top lower flange (18) of biochemical reactor (1), the one end of upper flange (17) with sediment ware (3) are connected with lower awl bucket (19), lower awl bucket (19) have flange (9) that the sludge pump import and export are connected and stretch out biochemical reactor (1) outside and sludge pump's second sludge pump import (20) and sludge pump (21) meet, right sludge pump (29) are installed to the end of sludge pump export (21), be provided with moisturizing cleaning port (22) in the cylinder of sediment ware (3) upper portion, internally mounted of sediment ware (3) has overflow mouth (23), spray mouth (24) are installed in the left side of second sludge pump import (20), the top of sediment ware (3) still is equipped with exhaust overhaul mouth (25), circulating pump device (5) are installed in the left side of spray mouth (24).
4. The novel apparatus for removing hydrogen sulfide rich liquid according to claim 1, characterized in that: the aeration device (4) is supplied with air by an aeration fan, a plurality of microporous aeration pipes (26) are arranged on the air supply main pipe, and an adjustable bracket (27) is arranged at the tail end of each microporous aeration pipe (26).
5. The novel apparatus for removing hydrogen sulfide rich liquid according to claim 1, characterized in that: the circulating pump device (5) is composed of two washing pumps and a control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321950617.0U CN220513846U (en) | 2023-07-24 | 2023-07-24 | Novel equipment for removing hydrogen sulfide rich liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321950617.0U CN220513846U (en) | 2023-07-24 | 2023-07-24 | Novel equipment for removing hydrogen sulfide rich liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220513846U true CN220513846U (en) | 2024-02-23 |
Family
ID=89935418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321950617.0U Active CN220513846U (en) | 2023-07-24 | 2023-07-24 | Novel equipment for removing hydrogen sulfide rich liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220513846U (en) |
-
2023
- 2023-07-24 CN CN202321950617.0U patent/CN220513846U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202080917U (en) | Circulating closed-loop type ammonia nitrogen stripping system | |
| CN104350012A (en) | Internal-circulation aeration anammox-membrane bioreactor | |
| CN102228776A (en) | Method and apparatus for removing sulfur dioxide from sulfuric acid industrial tail gas, and for recovering sulfuric acid | |
| CN208561948U (en) | A kind of organic wastewater catalytic ozonation processing system | |
| CN101597529B (en) | Methane bio-desulfurization device | |
| CN111689659B (en) | Integrated vertical high-concentration sulfate wastewater treatment device | |
| CN108117208A (en) | The processing method and processing unit of a kind of alkali residue waste liquid | |
| CN105749704A (en) | Ammonium sulphite desulphurization system and process | |
| CN220513846U (en) | Novel equipment for removing hydrogen sulfide rich liquid | |
| CN208449039U (en) | Cokingization produces exhaust gas purification system | |
| CN105600995B (en) | A kind of high ammonia-nitrogen wastewater recycling and zero discharge processing method and processing device of film aeration and film absorbing coupling technique | |
| CN202152307U (en) | Immersed type membrane bioreactor | |
| CN213357479U (en) | System for synchronous recovery nitrogen phosphorus of negative pressure natural pond liquid decarbonization | |
| CN205398323U (en) | Device of high ammonia -nitrogen concentration wastewater resource zero release processing of membrane aeration and membrane absorption coupling technology | |
| CN216837317U (en) | Biochemical reactor for removing hydrogen sulfide rich liquid from methane | |
| CN108525474A (en) | Underneath type supplies jet stream and regenerates integrated desulfurization device | |
| CN201990643U (en) | Device for simultaneously removing H2S, CO2 and SO2 in sulfur-containing mixed gas | |
| CN1689995A (en) | Digestion tank desulfurization method | |
| CN104150680A (en) | Treatment method and system for electroplating wastewater | |
| CN107879578B (en) | Granular sludge in-situ flotation calcium removal reactor and method thereof | |
| CN2825082Y (en) | Double-circulating double-alkali processed wet type desulfurization device | |
| CN208414116U (en) | Positive-negative pressure integrated high-efficient deamination system | |
| CN210559581U (en) | Alkali decrement waste water flue gas purification device | |
| CN109806753B (en) | Reduction circulation desulfurization device and desulfurization method | |
| CN209411877U (en) | Efficient anaerobic denitrification organisms reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |