CN220176781U - Dispersing kettle for producing iron oxyhydroxide desulfurizing agent - Google Patents
Dispersing kettle for producing iron oxyhydroxide desulfurizing agent Download PDFInfo
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- CN220176781U CN220176781U CN202323029728.0U CN202323029728U CN220176781U CN 220176781 U CN220176781 U CN 220176781U CN 202323029728 U CN202323029728 U CN 202323029728U CN 220176781 U CN220176781 U CN 220176781U
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- Prior art keywords
- dispersion
- tank
- dispersing
- pipe
- ring
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- 239000003795 chemical substances by application Substances 0.000 title claims description 13
- 230000003009 desulfurizing effect Effects 0.000 title claims description 13
- CUPCBVUMRUSXIU-UHFFFAOYSA-N [Fe].OOO Chemical compound [Fe].OOO CUPCBVUMRUSXIU-UHFFFAOYSA-N 0.000 title description 16
- 229910021519 iron(III) oxide-hydroxide Inorganic materials 0.000 title description 16
- 238000005507 spraying Methods 0.000 claims abstract description 53
- 239000006185 dispersion Substances 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 12
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims abstract description 11
- 229960004887 ferric hydroxide Drugs 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 40
- 238000000889 atomisation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 10
- 239000011790 ferrous sulphate Substances 0.000 description 9
- 235000003891 ferrous sulphate Nutrition 0.000 description 9
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a dispersing kettle for producing a ferric hydroxide desulfurizer, and particularly relates to the field of ferric hydroxide desulfurizer production, which mainly comprises a dispersing kettle shell, wherein a stirring rod in rotary connection is arranged in the dispersing kettle shell; the linkage dispersion mechanism comprises a ring spraying tank arranged at the bottom end of the sleeving rotary table, and one side of the outer wall of the ring spraying tank is fixedly connected with a communication branch pipe. According to the utility model, the linkage dispersing mechanism is arranged, the connecting pipe enters the annular lower spraying tank, the annular lower spraying tank is conveyed into the communicating branch pipe, the stirring rod rotates reversely for one hundred eighty degrees after rotating positively for one hundred eighty degrees in the dispersing kettle shell, the annular spraying tank, the annular lower spraying tank and the continuous spraying circular pipe can realize reciprocating rotation and uniform lower spraying, the precipitant can realize multidirectional uniform dispersion, the stirring dispersing time is shorter, and the dispersing efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of production of iron oxyhydroxide desulfurizing agents, in particular to a dispersing kettle for producing an iron oxyhydroxide desulfurizing agent.
Background
In the process of removing chemical raw materials by coal and petroleum and in the process of refining oil, hydrogen sulfide gas is contained, so that catalyst in the subsequent working section is poisoned and deactivated, a large amount of hydrogen sulfide is also contained in many industrial waste gases, and the direct discharge can pollute the environment or cause poisoning of people and animals, so that the iron oxyhydroxide is required to be removed, and in the production process, the reaction of ferrous sulfate and alkaline precipitant sodium carbonate or ammonium bicarbonate and the like firstly generates green rust, and in the process, the precipitant is required to be uniformly dispersed to obtain high-quality target substances, so that the iron oxyhydroxide is required to be used in a dispersing kettle.
Among the prior art, the utility model patent of China patent publication No. CN218654263U discloses a dispersion kettle and chemical production equipment, the dispersion kettle is mainly provided by the embodiment of the first aspect, the outer side wall of a water blocking ring of a sealing device is a first waterproof line, a water blocking component in the water blocking groove is a second waterproof line, sewage can be effectively prevented from flowing into a gap between the dispersion kettle and a layer surface of a floor, and the sewage can be effectively prevented from penetrating into a lower layer through the gap between the kettle body and the layer surface of the floor; however, this device has the following drawbacks;
in the process of producing the iron oxyhydroxide desulfurizer, the precipitator can only enter through one opening, so that the precipitator is gathered at the appointed position of the dispersing kettle, the dispersing kettle needs to be stirred for a long time to realize uniform dispersion, the dispersing efficiency is greatly reduced, and the dispersing kettle for producing the iron oxyhydroxide desulfurizer needs to be provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a dispersing kettle for producing a ferric hydroxide desulfurizing agent.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the dispersing kettle for producing the iron oxyhydroxide desulfurizer comprises a dispersing kettle shell, wherein a stirring rod in rotary connection is arranged in the dispersing kettle shell, a sleeved rotary table is connected to the outer wall of the stirring rod and positioned in the dispersing kettle shell, and a linkage dispersing mechanism is arranged at the bottom end of the sleeved rotary table;
the linkage dispersion mechanism is including setting up the ring of cup jointing the carousel bottom spout jar, just outer wall one side fixedly connected with intercommunication branch pipe of jar is spouted down to the ring of the fixed intercommunication of one end of intercommunication branch pipe, outer wall one side of spouting the jar is connected with the connecting pipe under the ring one end of connecting pipe is installed and is spouted the pipe even, even spout outer wall one side fixed intercommunication of pipe has the intercommunication hose.
Preferably, the inner wall diameter of the ring spraying tank is smaller than the inner wall diameter of the ring spraying tank, the inner walls of the ring spraying tank and the ring spraying tank are polished, the connecting pipes are respectively fixedly connected and communicated with the ring spraying tank and the continuous spraying round pipe, the sleeve joint turntable is welded with the stirring rod, and the center points of the sleeve joint turntable and the stirring rod are in the same vertical line.
Preferably, one end of the communicating hose extends to the outside of the dispersing kettle shell and is fixedly communicated with a pump, an input end of the pump is communicated with a precipitant suction pipe for sucking precipitant, the outside of the precipitant suction pipe is fixedly communicated with a precipitant carrying case, a plurality of atomizing lower spray heads are fixedly communicated with the annular spraying tank and the annular lower spraying tank and the bottom end of the outer wall of the continuous spraying circular tube, the atomizing lower spray heads are distributed and arranged at equal intervals, a reciprocating rotating motor is coaxially connected to the top end of the stirring rod, the reciprocating rotating motor is fixedly connected with the dispersing kettle shell, and a lower discharge valve is communicated with the bottom thread of the dispersing kettle shell.
According to the technical scheme, the pump machine is started to enable the precipitant suction pipe to process precipitant to be sucked into the communicating hose, the precipitant is filled into the circular pipe to be sprayed continuously along the communicating hose, the circular pipe to be sprayed continuously through a plurality of atomization lower spray heads at the bottom end to realize atomization lower spray, the precipitant enters into the circular ring lower spray tank to be conveyed into the communicating branch pipe through the connecting pipe, the spray heads at the bottom of the circular ring spray tank are conveyed into the circular ring lower spray tank through the communicating branch pipe to realize atomization lower spray through the plurality of atomization lower spray heads at the bottom of the circular ring spray tank and the plurality of atomization lower spray heads at the bottom of the circular ring lower spray tank, the reciprocating rotary motor drives the stirring rod to rotate forward one hundred eighty degrees in the dispersing kettle shell and then reversely rotate one hundred eighty degrees, the circular ring spray tank drives the communicating branch pipe to enable the circular ring lower spray tank to rotate, and the circular ring lower spray tank drives the connecting pipe to enable the continuous spray circular pipe to rotate and disperse.
Preferably, the fixed intercommunication in outer wall one side of dispersion cauldron shell has the feeder hopper, the top welding of feeder hopper has the support of cup jointing the inside vertical sliding connection of support has the grafting linkage post of cup jointing, the below from the top down of grafting linkage post is equipped with in proper order and cup joints the kicking cone and peg graft the kicking cone, peg graft the kicking cone and peg graft the linkage post and all with cup joint fixedly connected between the kicking cone.
According to the technical scheme, ferrous sulfate powder in the feed hopper enters the dispersing kettle shell, and the plugging linkage column moves up and down to drive the sleeved round block to enable the plugging pointed cone to reciprocate, and the sleeved round block drives the plugging pointed cone to plug the ferrous sulfate powder to move downwards.
The utility model has the technical effects and advantages that:
by arranging the linkage dispersion mechanism, the precipitant enters the connecting pipe, enters the circular ring lower spray tank through the connecting pipe, is conveyed into the communicating branch pipe through the circular ring lower spray tank, enters the circular ring spray tank through the communicating branch pipe to realize lower spray, the stirring rod rotates forward for one hundred eighty degrees in the dispersing kettle shell and then rotates reversely for one hundred eighty degrees, the circular spraying tank, the circular ring lower spraying tank and the continuous spraying circular pipe can realize reciprocating rotation and uniform lower spraying, the precipitant can realize multidirectional uniform dispersion, the stirring dispersion time is shorter, and the dispersing efficiency is greatly improved;
the ferrous sulfate powder in the feed hopper enters the dispersing kettle shell, the plugging linkage column moves up and down, the plugging linkage column drives the sleeve round block to enable the plug pointed cone to move back and forth, the sleeve round block drives the plug pointed cone to plug the ferrous sulfate powder to move down, the material blocking of the ferrous sulfate part caking is avoided in the feed hopper, smooth feeding of ferrous sulfate powder is ensured, and the anti-blocking performance is better.
Drawings
Fig. 1 is a schematic diagram of the overall three-dimensional structure of a dispersing kettle for producing ferric hydroxide desulfurizing agent.
FIG. 2 is a schematic diagram of a cross-sectional perspective structure of a dispersion tank for producing iron oxyhydroxide desulfurizing agent of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
FIG. 4 is a schematic diagram showing the front view plane structure of a dispersing kettle for producing the iron oxyhydroxide desulfurizer of the utility model.
FIG. 5 is a schematic view of a truncated partial structure of a vertical section of a feed hopper in a dispersion tank for producing an iron oxyhydroxide desulfurizer according to the utility model.
The reference numerals are: 1. a dispersion tank shell; 2. a stirring rod; 3. sleeving a turntable; 4. a circular spray tank; 5. a communicating branch pipe; 6. a circular ring lower spraying tank; 7. a connecting pipe; 8. continuously spraying round pipes; 9. a communication hose; 10. a pump machine; 11. a precipitant suction tube; 12. a precipitant carrying case; 13. atomizing a lower nozzle; 14. sleeving a bracket; 15. inserting a linkage column; 16. a reciprocating rotary motor; 17. a lower row valve; 18. a feed hopper; 19. sleeving round blocks; 20. and (5) inserting a pointed cone.
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.
The dispersing kettle for producing the iron oxyhydroxide desulfurizer is shown in the attached figures 1-5, a linkage dispersing mechanism is arranged on the dispersing kettle for producing the iron oxyhydroxide desulfurizer, the arrangement of the linkage dispersing mechanism can enable the annular spraying tank, the annular lower spraying tank and the continuous spraying circular pipe to realize reciprocating rotation and uniform lower spraying, the precipitant can realize multidirectional uniform dispersion, the stirring dispersing time is shorter, the dispersing efficiency is greatly improved, and the specific structure of the linkage dispersing mechanism is as follows:
in some embodiments, as shown in fig. 1-3, the linkage dispersing mechanism comprises a ring spraying tank 4 arranged at the bottom end of a sleeving rotary table 3, one side of the outer wall of the ring spraying tank 4 is fixedly connected with a communication branch pipe 5, one end part of the communication branch pipe 5 is fixedly communicated with a ring lower spraying tank 6, one side of the outer wall of the ring lower spraying tank 6 is connected with a connecting pipe 7, one end part of the connecting pipe 7 is provided with a continuous spraying circular pipe 8, and one side of the outer wall of the continuous spraying circular pipe 8 is fixedly communicated with a communication hose 9;
in the use principle of the dispersion kettle for producing the iron oxyhydroxide desulfurizer, when the iron oxyhydroxide desulfurizer is produced, ferrous sulfate, alkaline precipitant sodium carbonate or ammonium bicarbonate and other reactions firstly generate green rust, the precipitant is required to be put into the precipitant holding box 12 in the process, the pump 10 is started to enable the precipitant suction pipe 11 to process the precipitant to be sucked into the communication hose 9, the continuous spraying circular pipe 8 is filled into the continuous spraying circular pipe along the communication hose 9, the continuous spraying circular pipe 8 realizes atomization through a plurality of atomization lower spray heads 13 at the bottom end, simultaneously the precipitant enters into the connecting pipe 7, enters into the circular ring lower spray tank 6 through the connecting pipe 7, is conveyed into the circular pipe 5 through the circular ring lower spray tank 5, and enters into the circular ring spray tank 4 through the communication branch pipe 5, the plurality of atomization lower spray heads 13 at the bottom of the circular ring spray tank 4, and the plurality of atomization lower spray heads 13 at the bottom of the circular ring lower spray tank 6 are realized to spray down, and simultaneously the reciprocating rotary motor 16 drives the stirring rod 2 to rotate one hundred and eighty degrees after the dispersion kettle shell 1, the continuous spraying circular pipe 8 is driven by the stirring rod 2 to realize atomization lower spray down, and the circular ring spray tank 4 is driven by the reciprocating rotary ring 4 and the circular ring spray tank 4 is driven by the circular ring rotary ring 4 to realize the continuous spraying 4.
In some embodiments, as shown in fig. 1-4, one end of a communication hose 9 extends to the outside of a dispersing kettle shell 1 and is fixedly communicated with a pump 10, the input end of the pump 10 is communicated with a precipitant suction pipe 11 for sucking precipitant, the outside of the precipitant suction pipe 11 is fixedly communicated with a precipitant carrying case 12, so that the pump 10 is started to enable the precipitant suction pipe 11 to process the precipitant to be sucked into the communication hose 9, the precipitant is poured into a continuous spraying round pipe 8 along the communication hose 9, the pressurized and split-flow precipitant, a plurality of atomizing lower spray heads 13 are fixedly communicated with the annular spraying tank 4, the annular lower spraying tank 6 and the bottom end of the outer wall of the continuous spraying round pipe 8, the plurality of atomizing lower spray heads 13 are distributed and arranged in an equal distance, so that spray under the spraying nozzle 13 under a plurality of atomizing of jar 4 bottom is spouted to the ring to spray a plurality of atomizing of jar 6 bottom under the spraying nozzle 13 under the ring and realize spouting under the atomizing, spout the precipitant under the atomizing, the precipitant dispersion is more even under the multiple spot, the coaxial transmission in top of puddler 2 is connected with reciprocal rotating electrical machines 16, and fixed connection between reciprocal rotating electrical machines 16 and the dispersion cauldron shell 1, the bottom screw thread intercommunication of dispersion cauldron shell 1 has down row valve 17, so that reciprocal rotating electrical machines 16 drive puddler 2 and rotate one hundred eighty degrees back again in dispersion cauldron shell 1 inside forward rotation, realize rotatory operation to puddler 2, open down row valve 17 and realize the material operation under the back after the later stage dispersive mixing finishes.
In some embodiments, as shown in fig. 1-5, one side of the outer wall of the dispersing kettle shell 1 is fixedly communicated with a feed hopper 18, the top end of the feed hopper 18 is welded with a sleeve joint support 14, the inside of the sleeve joint support 14 is vertically and slidingly connected with a plug joint linkage column 15, a sleeve joint round block 19 and a plug joint pointed cone 20 are sequentially arranged below the plug joint linkage column 15 from top to bottom, and the plug joint pointed cone 20 and the plug joint linkage column 15 are fixedly connected with the sleeve joint round block 19;
when the feeding hopper 18 is fed according to the upper structure, ferrous sulfate powder in the feeding hopper 18 enters the dispersing kettle shell 1, the plugging linkage column 15 moves up and down, the plugging linkage column 15 drives the sleeved round block 19 to enable the plugging sharp cone 20 to move back and forth, and meanwhile the plugging linkage column 15 can move up and down in the sleeved support 14, and the sleeved round block 19 drives the plugging sharp cone 20 to plug ferrous sulfate powder to move down.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited and can be determined by using conventional equipment.
Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a hydroxyl iron oxide desulfurizer production is with dispersion cauldron, includes dispersion cauldron shell (1), the internally mounted of dispersion cauldron shell (1) has puddler (2) of rotating the connection, the outer wall of puddler (2) just is located dispersion cauldron shell (1) inside position department and is connected with cup joints carousel (3), its characterized in that: the bottom end of the sleeving rotary table (3) is provided with a linkage dispersing mechanism;
the linkage dispersion mechanism is including setting up in the ring of cup jointing carousel (3) bottom spout jar (4), just outer wall one side fixedly connected with intercommunication branch pipe (5) of jar (4) is spouted under the fixed intercommunication of tip of intercommunication branch pipe (5) has the ring, outer wall one side of spouting jar (6) is connected with connecting pipe (7) down the tip of connecting pipe (7) is installed and is spouted pipe (8), even spout outer wall one side fixedly connected with intercommunication hose (9) of pipe (8).
2. The dispersion tank for producing a ferric hydroxide desulfurizing agent according to claim 1, wherein: the inner wall diameter of the ring spraying tank (4) is smaller than that of the ring lower spraying tank (6), and the inner walls of the ring spraying tank (4) and the ring lower spraying tank (6) are polished.
3. The dispersion tank for producing a ferric hydroxide desulfurizing agent according to claim 1, wherein: the connecting pipe (7) is fixedly connected and communicated with the circular ring lower spraying tank (6) and the continuous spraying circular pipe (8) respectively, the sleeved rotary disc (3) is welded with the stirring rod (2), and the center points of the sleeved rotary disc (3) and the stirring rod (2) are positioned in the same vertical line.
4. The dispersion tank for producing a ferric hydroxide desulfurizing agent according to claim 1, wherein: one end of the communication hose (9) extends to the outside of the dispersing kettle shell (1) and is fixedly communicated with a pump (10), the input end of the pump (10) is communicated with a precipitant suction pipe (11) for sucking precipitant, and the outside of the precipitant suction pipe (11) is fixedly communicated with a precipitant holding box (12).
5. The dispersion tank for producing a ferric hydroxide desulfurizing agent according to claim 1, wherein: the annular spraying tank (4), the annular lower spraying tank (6) and the outer wall bottom end of the continuous spraying round pipe (8) are fixedly communicated with a plurality of atomization lower spray heads (13), and the atomization lower spray heads (13) are distributed and arranged at equal intervals in an annular mode.
6. The dispersion tank for producing a ferric hydroxide desulfurizing agent according to claim 1, wherein: the top coaxial transmission of puddler (2) is connected with reciprocal rotating electrical machines (16), just fixed connection between reciprocal rotating electrical machines (16) and dispersion cauldron shell (1), the bottom screw thread intercommunication of dispersion cauldron shell (1) has lower row valve (17).
7. The dispersion tank for producing a ferric hydroxide desulfurizing agent according to claim 1, wherein: the utility model discloses a dispersing kettle, including dispersing kettle shell (1), including outer wall, support (14) and socket joint support, fixed intercommunication has feeder hopper (18) on outer wall one side of dispersing kettle shell (1), the top welding of feeder hopper (18) has socket joint support (14) inside vertical sliding connection has socket joint linkage post (15), the below from the top down of socket joint linkage post (15) is equipped with socket button (19) and socket tip awl (20) in proper order, socket tip awl (20) and socket joint linkage post (15) are all with socket button (19) between fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029728.0U CN220176781U (en) | 2023-11-10 | 2023-11-10 | Dispersing kettle for producing iron oxyhydroxide desulfurizing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029728.0U CN220176781U (en) | 2023-11-10 | 2023-11-10 | Dispersing kettle for producing iron oxyhydroxide desulfurizing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220176781U true CN220176781U (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323029728.0U Active CN220176781U (en) | 2023-11-10 | 2023-11-10 | Dispersing kettle for producing iron oxyhydroxide desulfurizing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220176781U (en) |
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2023
- 2023-11-10 CN CN202323029728.0U patent/CN220176781U/en active Active
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