CN220573130U - Flue gas thallium removing device - Google Patents
Flue gas thallium removing device Download PDFInfo
- Publication number
- CN220573130U CN220573130U CN202322012181.7U CN202322012181U CN220573130U CN 220573130 U CN220573130 U CN 220573130U CN 202322012181 U CN202322012181 U CN 202322012181U CN 220573130 U CN220573130 U CN 220573130U
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- China
- Prior art keywords
- flue gas
- thallium
- dust
- outlet
- bin
- 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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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003546 flue gas Substances 0.000 title claims abstract description 68
- 229910052716 thallium Inorganic materials 0.000 title claims abstract description 57
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 73
- 239000000428 dust Substances 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- JJWSNOOGIUMOEE-UHFFFAOYSA-N Monomethylmercury Chemical compound [Hg]C JJWSNOOGIUMOEE-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000011272 standard treatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Treating Waste Gases (AREA)
Abstract
The flue gas thallium removing device comprises a material spraying system, a flue gas pipeline, a dust collecting device, a storage bin and a material collecting bin, wherein an inlet of the flue gas pipeline is communicated with thallium-containing flue gas, an outlet of the flue gas pipeline is connected with an inlet of the dust collecting device, an air outlet of the dust collecting device is communicated with a subsequent flue gas treatment device, and a dust outlet of the dust collecting device is communicated with the material collecting bin through a conveying mechanism; the automatic feeding device is characterized in that powder thallium-removing materials are arranged in the storage bin, a discharge port I is arranged at the bottom of the storage bin and connected with a feed inlet of a material injection system through a blanking device I, and a spray head of the material injection system is arranged in a flue gas pipeline. The utility model has simple structure, easy equipment processing and manufacturing, good flue gas thallium removal effect and high material utilization rate, is manufactured by adopting conventional general materials, and is suitable for popularization and use.
Description
Technical Field
The utility model belongs to the field of gas purification treatment, and in particular relates to thallium and heavy metal-containing waste gas treatment equipment.
Background
Thallium is a rare and widely distributed heavy metal element that is highly dispersed in the crust and typically exists as an accompanying element within metallic or non-metallic ore deposits. Thallium and its compounds are highly toxic substances, the toxicity of which is inferior to methyl mercury, and the toxicity to mammals is larger than that of inorganic salt compounds of heavy metals such as lead, mercury, cadmium, antimony and the like, and are listed in the priority control chemical list (second lot) of China. In the production process of using thallium-containing lead-zinc ore, thallium-containing lead-zinc secondary resource, thallium-containing iron ore, thallium-containing lithium ore and other thallium-containing minerals as raw materials, thallium element is gasified along with the progress of high Wen Huofa smelting and then enters smelting flue gas, and in the process of washing and purifying the smelting flue gas, thallium element enters purified wastewater, so that the thallium concentration in the wastewater is relatively high, the environmental risk is increased, and the standard discharge stability of the wastewater is influenced.
At present, the standard treatment cost of thallium element in wastewater is higher, the difficulty is higher, people gradually turn the eyes to the direct treatment of thallium element in flue gas, thallium element is prevented from entering the subsequent purified wastewater, and the treatment difficulty and the treatment cost of thallium element in wastewater are reduced. The gas phase thallium removal is directly carried out in the flue gas, and the related report is not seen due to the limitation of the objective condition of the current technology, and the corresponding matched equipment required by the gas phase thallium removal is absent, so that the development and the application of the flue gas thallium removal device are very beneficial to the promotion of the application and the development of the flue gas thallium removal technology.
Disclosure of Invention
The utility model solves the defects of the prior art and provides a flue gas thallium removing device. The device can be used in the direct thallium removal treatment process of kiln and boiler flue gas of enterprises in the ferrous metal industry and the lithium ore smelting industry.
In order to achieve the aim, the utility model provides a flue gas thallium removing device, which comprises a material spraying system, a flue gas pipeline, a dust collecting device, a storage bin and a material collecting bin, wherein the inlet of the flue gas pipeline is communicated with a flue gas containing thallium, the outlet of the flue gas pipeline is connected with the inlet of the dust collecting device, the air outlet of the dust collecting device is communicated with a subsequent flue gas treatment device, and the dust outlet of the dust collecting device is connected with a feed inlet III of the material collecting bin through a conveying mechanism;
the automatic feeding device is characterized in that powder thallium-removing materials are arranged in the storage bin, a discharge port I is arranged at the bottom of the storage bin and connected with a feed inlet of a material injection system through a blanking device I, and a spray head of the material injection system is arranged in a flue gas pipeline.
In this embodiment, the material injection system includes sprayer, compression fan and shower nozzle, glassware I is connected with the feed inlet of sprayer down, compression fan passes through the pipeline connection with the sprayer air inlet, the discharge gate and the shower nozzle of sprayer pass through the pipeline connection.
In this embodiment, the feed bin top is equipped with feed inlet I and vent I, lower part is the ejection of compact fill of back taper, the bottom of feed bin ejection of compact hopper is equipped with discharge gate I.
In this embodiment, dust arrester installation includes the dust arrester, be provided with the sack that multiunit parallel set up in the dust arrester between air inlet and gas outlet, the below of multiunit sack is provided with the reverse cone dust hopper that a plurality of arrays were arranged, and a plurality of reverse cone dust hoppers cover all sack place scope, and every reverse cone dust hopper bottom all is equipped with a dust outlet, and the dust outlet passes through glassware III and is connected with conveying mechanism's feed inlet II.
In this embodiment, conveying mechanism is screw conveyer, screw conveyer top is equipped with a plurality of feed inlets II, the bottom is equipped with discharge gate III, screw conveyer's discharge gate III is connected with the feed inlet III in material collection storehouse.
In this embodiment, the material is collected storehouse top and is equipped with feed inlet III and blow vent II, the lower part is the discharge hopper of back taper, and the material is collected the storehouse and is equipped with discharge gate V in the bottom of back taper discharge hopper, be equipped with down glassware II on the material is collected storehouse back taper bottom discharge gate V outlet pipeline.
Compared with the prior art, the utility model has the following technical effects:
1) The device sprays the powder thallium-removing material to the flue gas pipeline in a spraying mode, so that on one hand, the flue gas pipeline is filled with the powder thallium-removing material, and when thallium-containing flue gas passes through the flue gas pipeline, the thallium-containing flue gas and the thallium in the flue gas pipeline are subjected to chelating adsorption reaction, on the other hand, the powder material is enabled to be good in dispersing effect through spraying, the thallium-containing flue gas is high in contact efficiency with thallium element in the flue gas, the utilization efficiency of the powder thallium-removing material is improved, and the thallium-removing effect is improved.
2) The device has strong universality, can be used for thallium removal treatment of flue gas and also can be used for treatment of other heavy metals and other pollutants in the flue gas by using different thallium removal or other heavy metal materials according to different properties of the materials, and has wide application range.
3) The device is used for removing thallium from flue gas, has simple technical process and easy operation, and can realize electrification automatic control and continuous operation.
In conclusion, the utility model has simple structure, easy equipment processing and manufacturing, high material utilization rate and suitability for popularization and use, and thallium, other heavy metals, other pollutants and the like can be removed by using the treatment materials with different performances.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the attached drawings, 1, a compression fan; 2. an ejector; 3. a blanking device I; 4. a discharge port I; 5. a storage bin; 6. a feed inlet I; 7. a vent I; 8. a spray head; 9. a flue gas duct; 10. a dust collector; 11. a dust outlet; 12. a feed inlet II; 13. a screw conveyor; 14. a discharge port III; 15. a blanking device II; 16. a feed inlet III; 17. a vent II; 18. a material collection bin; 19. a discharge port V; 20. an air inlet; 21. an air outlet; 22. and (3) discharging a material III.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
As shown in fig. 1, the utility model provides a flue gas thallium removing device, which comprises a material spraying system, a flue gas pipeline 9, a dust collecting device, a storage bin 5 and a material collecting bin 18.
The inlet of the flue gas pipeline 9 is communicated with thallium-containing flue gas, the outlet of the flue gas pipeline 9 is connected with the inlet of a dust collection device, the air outlet 21 of the dust collection device is communicated with a subsequent flue gas treatment device, and the dust outlet 11 of the dust collection device is connected with the feed inlet III 16 of the material collection bin 18 through a conveying mechanism;
the top of the storage bin 5 is provided with a feed inlet I6, a vent I7 and a discharge hopper with an inverted cone-shaped lower part, powder thallium removing materials are arranged in the storage bin 5, the bottom of the discharge hopper of the storage bin 5 is provided with a discharge outlet I4, the discharge outlet I4 is connected with a feed inlet of a material injection system through a blanking device I3, the material injection system comprises an ejector 2, a compression fan 1 and a spray head 8, the blanking device I3 is connected with the feed inlet of the ejector 2, the compression fan 1 is connected with an air inlet of the ejector 2 through a pipeline, the discharge outlet of the ejector 2 is connected with the spray head 8 through a pipeline, and the spray head 8 of the material injection system is arranged in a flue gas pipeline 9; in this embodiment, the compression fan 1 may be a Roots fan, a centrifugal fan, an axial flow fan, or a screw compressor, preferably a Roots fan.
The dust collecting device can adopt a cloth bag dust collecting device or a cyclone dust collecting device, and is preferably a cloth bag dust collecting device, the dust collecting device comprises a dust collector 10, a plurality of groups of cloth bags which are arranged in parallel are arranged in the dust collector 10 between an air inlet 20 and an air outlet 21, a plurality of inverted cone-shaped dust hoppers are arranged below the plurality of groups of cloth bags, a dust outlet 11 is arranged at the bottom of the inverted cone, the dust outlet 11 is connected with a feed inlet II 12 of a conveying mechanism through a feeder III 22, the conveying mechanism is a screw conveyer 13, and a discharge outlet III 14 of the screw conveyer 13 is connected with a feed inlet III 16 of a material collecting bin 18.
The top of the screw conveyer 13 is provided with a plurality of feed inlets II 12, the bottom of the screw conveyer 13 is provided with a discharge outlet III 14, and a conveying shaft of the screw conveyer 13 is driven by a motor.
The top of the material collecting bin 18 is provided with a feed inlet III 16, a vent II 17 and a discharge hopper with the lower part being in an inverted cone shape, and the bottom of the inverted cone-shaped discharge hopper of the material collecting bin 18 is provided with a discharge outlet V19. And a blanking device II 15 is arranged on an outlet pipeline of the inverted cone-shaped bottom discharge hole V19 of the material collecting bin 18.
The specific operation process of the utility model is as follows:
thallium-containing flue gas is introduced into the flue gas pipeline 9, powder thallium-removing material is added into the storage bin 5 from the feed inlet I6, the compression fan 1 is started, the feeder I3 is opened, the powder thallium-removing material is sprayed into the flue gas pipeline 9 by the sprayer 2 and the spray head 8, the powder thallium-removing material and thallium in the flue gas pipeline 9 undergo a chelate adsorption reaction, the thallium-removing material enters the dust collector 10 along with the flue gas from the gas inlet 20, and purified flue gas is discharged from the gas outlet 21 to enter a subsequent treatment device. The thallium-adsorbed powder thallium-removed material part is adhered to a cloth bag of the dust collector 10, part of the thallium-adsorbed powder thallium-removed material part directly falls into a dust hopper at the lower part of the dust collector, and the thallium-removed material part adhered to the cloth bag is vibrated and falls into the dust hopper at the lower part due to periodical vibration of the cloth bag, is discharged from a dust outlet 11 of the dust collector 10, enters a screw conveyor 13 from a feed port II 12 through a corresponding lower feeder III 22 of the cloth bag dust hopper, conveys thallium-removed material to a discharge port III 14 through the screw conveyor 13, enters a material collection bin 18 from a feed port III 16 through a connecting pipeline, and the thallium-removed powder material entering the material collection bin 18 is collected for centralized treatment after being discharged through a discharge port V19 and a corresponding lower feeder II 15 or is poured into a storage bin 5 for recycling until the thallium-removed material is nearly adsorbed and saturated. After the thallium-removed powder material in the bin 5 is consumed, the thallium-removed powder material is added into the bin 5 from the feed inlet I6 again.
Example 1:
the embodiment adopts a flue gas thallium removing device, which specifically comprises the following steps:
(1) After the flue gas pipeline is in normal air inlet operation, the powder thallium removing material is added into the storage bin.
(2) And (3) starting the compression fan, opening the bin blanking device I, and spraying the powder thallium-removing material into a flue gas pipeline by using an ejector and a spray head.
(3) The normal operation of the cloth bag dust collector is kept, after the thallium in the powder thallium removal material and the thallium in the flue gas are subjected to chelating adsorption reaction, the powder thallium removal material enters the cloth bag dust collector along with the flue gas through the air inlet, and the flue gas after thallium removal purification is discharged from the cloth bag dust collector through the air outlet and enters the subsequent treatment process.
(4) And opening the outlets of all dust hoppers at the lower part of the bag dust collector and the corresponding lower feeders III, starting the screw conveyor, conveying the thallium-adsorbed powder thallium-removing material into a material collecting bin, discharging the thallium-adsorbed powder thallium-removing material through a discharge hole and the corresponding lower feeders, collecting the thallium-adsorbed powder for centralized treatment or pouring the thallium-adsorbed powder into a material bin 5 for recycling until the thallium-adsorbed powder is close to adsorption saturation, discharging the thallium-adsorbed powder from the material collecting bin, packaging the thallium-adsorbed powder, and separately disposing the thallium-adsorbed powder.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The flue gas thallium removing device is characterized by comprising a material spraying system, a flue gas pipeline (9), a dust collecting device, a storage bin (5) and a material collecting bin (18), wherein an inlet of the flue gas pipeline (9) is communicated with thallium-containing flue gas, an outlet of the flue gas pipeline (9) is connected with an air inlet (20) of the dust collecting device, an air outlet (21) of the dust collecting device is communicated with a subsequent flue gas treatment device, and a dust outlet (11) of the dust collecting device is connected with a feed inlet III (16) of the material collecting bin (18) through a conveying mechanism; be equipped with powder in feed bin (5) and take off thallium material, feed bin (5) bottom is equipped with discharge gate I (4), discharge gate I (4) are connected with the feed inlet of material injection system through glassware I (3), material injection system's shower nozzle (8) set up in flue gas pipeline (9).
2. The flue gas thallium removal device according to claim 1, wherein the material injection system comprises an injector (2), a compression fan (1) and a spray head (8), the discharger I (3) is connected with a feed inlet of the injector (2), the compression fan (1) is connected with an air inlet of the injector (2) through a pipeline, and a discharge outlet of the injector (2) is connected with the spray head (8) through a pipeline.
3. The flue gas thallium removal device according to claim 1, wherein a feed inlet I (6) and a vent I (7) are arranged at the top of the storage bin (5), a discharge hopper with an inverted cone shape is arranged at the lower part, and a discharge outlet I (4) is arranged at the bottom of the discharge hopper of the storage bin (5).
4. A flue gas thallium removal device according to any one of claims 1 to 3, characterized in that the dust collection device comprises a dust collector (10), a plurality of groups of cloth bags which are arranged in parallel are arranged between the air inlet (20) and the air outlet (21) in the dust collector (10), a plurality of inverted cone-shaped dust collectors which are arranged in an array are arranged below the plurality of groups of cloth bags, the ranges of all cloth bags are covered by the plurality of inverted cone-shaped dust collectors, a dust outlet (11) is arranged at the bottom of each inverted cone-shaped dust collector, and the dust outlet (11) is connected with a feed inlet ii (12) of the conveying mechanism through a feeder iii (22).
5. The flue gas thallium removal device according to claim 4, wherein the conveying mechanism is a screw conveyer (13), a plurality of feed inlets II (12) are arranged at the top of the screw conveyer (13), a discharge outlet III (14) is arranged at the bottom of the screw conveyer (13), and the discharge outlet III (14) of the screw conveyer (13) is connected with a feed inlet III (16) of a material collecting bin (18).
6. The flue gas thallium removal device according to claim 4, wherein a feed inlet III (16) and a vent II (17) are arranged at the top of the material collection bin (18), an inverted cone-shaped discharge hopper is arranged at the lower part of the material collection bin (18), a discharge outlet V (19) is arranged at the bottom of the inverted cone-shaped discharge hopper, and a blanking device II (15) is arranged on an outlet pipeline of the inverted cone-shaped bottom discharge outlet V (19) of the material collection bin (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322012181.7U CN220573130U (en) | 2023-07-28 | 2023-07-28 | Flue gas thallium removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322012181.7U CN220573130U (en) | 2023-07-28 | 2023-07-28 | Flue gas thallium removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220573130U true CN220573130U (en) | 2024-03-12 |
Family
ID=90122127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322012181.7U Active CN220573130U (en) | 2023-07-28 | 2023-07-28 | Flue gas thallium removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220573130U (en) |
-
2023
- 2023-07-28 CN CN202322012181.7U patent/CN220573130U/en active Active
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