CN219784220U - Calcium carbonate carbonization tower internal circulation spray reaction dust collecting equipment - Google Patents
Calcium carbonate carbonization tower internal circulation spray reaction dust collecting equipment Download PDFInfo
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- CN219784220U CN219784220U CN202320442397.4U CN202320442397U CN219784220U CN 219784220 U CN219784220 U CN 219784220U CN 202320442397 U CN202320442397 U CN 202320442397U CN 219784220 U CN219784220 U CN 219784220U
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- China
- Prior art keywords
- carbonization tower
- gas
- reaction
- carbonization
- internal circulation
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- 238000003763 carbonization Methods 0.000 title claims abstract description 80
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 34
- 239000007921 spray Substances 0.000 title claims abstract description 33
- 239000000428 dust Substances 0.000 title claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 17
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000012495 reaction gas Substances 0.000 claims abstract description 20
- 239000000284 extract Substances 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- -1 rapid reaction Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000000292 calcium oxide Substances 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000008267 milk Substances 0.000 description 3
- 210000004080 milk Anatomy 0.000 description 3
- 235000013336 milk Nutrition 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical group [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012066 reaction slurry Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an internal circulation spraying reaction dust removal device of a calcium carbonate carbonization tower, which comprises a carbonization tower, a spray header, an internal circulation pipeline and a gas-water mixer, and is characterized in that the spray header is arranged at the top of the carbonization tower, sprayed reaction liquid falls into the carbonization tower, sprayed and washed reaction gas is discharged from the top of the carbonization tower, an inlet of the spray header is communicated with the internal circulation pipeline, and the internal circulation pipeline extracts the reaction liquid from the bottom of the carbonization tower to the inlet of the spray header through a self-sucking pump. The gas-water mixer is positioned at the bottom of the carbonization tower, and carbonization reaction gas is introduced into the carbonization tower through the gas-water mixer. The utility model has the advantages of simple structure, low operation cost, water conservation, uniform mixing of the reaction liquid and the gas, rapid reaction, dust removal effect, environmental protection and high efficiency.
Description
Technical Field
The utility model belongs to the technical field of chemical production equipment, and particularly relates to internal circulation spraying reaction dust removal equipment of a calcium carbonate carbonization tower.
Background
The carbonization method is a relatively mature process for producing light calcium carbonate, generally, raw materials such as limestone and the like are calcined into quicklime (the main component is calcium oxide) and carbon dioxide, the quicklime and water are digested according to a certain proportion to generate lime milk slurry (the main component is calcium hydroxide), then carbon dioxide is introduced into the lime milk slurry to carry out carbonization reaction to generate calcium carbonate sediment, and finally, the light calcium carbonate product is obtained through dehydration, drying and crushing. The carbonization reaction needs to continuously introduce carbon dioxide gas into the reactor, the defect that lime milk slurry and carbon dioxide react insufficiently exists, redundant carbonization tail gas is discharged from an exhaust hole on the reaction container, a large amount of water vapor can be generated due to heat release of the carbonization reaction, a large amount of floating light calcium carbonate particle dust can be entrained, the dust is discharged into the air to pollute the air quality, the air quality can be influenced by human body suction, and the health is influenced. Meanwhile, the rear-end spraying dust removing equipment wastes serious water resources.
Disclosure of Invention
Therefore, in order to solve the defects, the utility model provides the calcium carbonate carbonization tower internal circulation spraying reaction dust removal equipment which has the advantages of simple structure, water recycling, water saving, uniform reaction and mixing and good dust removal effect.
The utility model is realized in such a way, and constructs the internal circulation spraying reaction dust removal equipment of the calcium carbonate carbonization tower, which is characterized in that; the device comprises a carbonization tower, a spray header, an internal circulation pipeline and a gas-water mixer, wherein the spray header is arranged at the top of the carbonization tower, the sprayed reaction liquid falls into the carbonization tower, an inlet of the spray header is communicated with the internal circulation pipeline, and the internal circulation pipeline extracts the reaction liquid from the bottom of the carbonization tower to the inlet of the spray header through a self-sucking pump; the reaction liquid is sprayed and spread through a spray header, the sprayed reaction liquid falls into a carbonization tower, a gas-water mixer is positioned at the bottom of the carbonization tower, and carbonization reaction gas is introduced into the carbonization tower through the gas-water mixer; and the reaction gas after spray washing is discharged from an outlet at the top of the carbonization tower.
The utility model relates to a circulating spraying reaction dust removal device in a calcium carbonate carbonization tower, which is characterized in that; the gas-water mixer is positioned at the bottom of the carbonization tower, and carbonization reaction gas is introduced into the carbonization tower through the gas-water mixer.
The utility model has the following advantages: the utility model provides internal circulation spraying reaction dust removal equipment for a calcium carbonate carbonization tower, which adopts a unique structural design, an internal circulation pipeline extracts reaction liquid from the bottom of the carbonization tower to an inlet of a spray header through a self-priming pump, the spray header is positioned at the top of the carbonization tower, the reaction liquid is sprayed and spread through the spray header, the sprayed reaction liquid falls into the carbonization tower, a gas-water mixer is positioned at the bottom of the carbonization tower, and carbonization reaction gas is introduced into the carbonization tower through the gas-water mixer. The sprayed reaction liquid is sprayed from top to bottom, the carbonization reaction gas is fully mixed with the reaction liquid from bottom to top, and meanwhile, the sprayed reaction liquid can wash floating dust in the carbonization tower, so that the double effects of full reaction and rapid dust fall are achieved. The sprayed reaction liquid circulates in the carbonization tower, water is saved, the mixed reaction of the reaction liquid and gas is accelerated, and meanwhile, the device has a good dust removal effect, is simple and environment-friendly and is efficient.
Drawings
FIG. 1 is a schematic diagram of a circulating spray reaction dust removal device in a calcium carbonate carbonization tower.
In the figure: 1-carbonization tower, 2-spray header, 3-internal circulation pipeline, 4-gas-water mixer and 5-self priming pump.
Detailed Description
The following detailed description of the present utility model will be provided with reference to fig. 1, in which the technical solutions of the embodiments of the present utility model are clearly and completely described, and it is apparent that the described embodiments 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 utility model provides a circulating spray reaction dust removal device in a calcium carbonate carbonization tower, which is shown in figure 1, and can be implemented in the following way; the top of carbonization tower 1 installs shower head 2, and the entry intercommunication inner loop pipeline 3 of shower head 2, inner loop pipeline 3 are through self priming pump 5 from carbonization tower 1's bottom extraction reaction liquid to shower head's entry, and the reaction liquid sprays through shower head 2 and spreads, and the reaction liquid after spraying falls into carbonization tower, and gas-water mixer 4 is located carbonization tower 1's bottom, and carbonization reaction gas lets in the carbonization tower through gas-water mixer 4. And the reaction gas after spray washing is discharged from an outlet at the top of the carbonization tower.
The working principle of the utility model is as follows: after reaction slurry is injected into the carbonization tower 1, a reaction liquid floods a gas-water mixer 4, reaction gas is introduced into the bottom of the carbonization tower 1 through the gas-water mixer 4 for bubbling, a self-priming pump 5 is started to suck the reaction liquid at the bottom of the carbonization tower 1 to a spray header 2 through an internal circulation pipeline, the reaction liquid is sprayed and spread out from the spray header 2, the reaction gas and floating dust are sprayed and washed from top to bottom, and the reaction gas is discharged from an air outlet at the top of the carbonization tower after being sprayed and washed from bottom to top. The reaction liquid and the reaction gas are fully mixed for reaction, and meanwhile, the sprayed reaction liquid can wash floating dust in the carbonization tower, so that the double effects of full reaction and rapid dust fall are achieved.
The utility model provides a calcium carbonate tail gas water filtration and dust removal device which adopts a unique structural design, an internal circulation pipeline is used for extracting reaction liquid from the bottom of a carbonization tower to an inlet of a spray header through a self-sucking pump, the spray header is positioned at the top of the carbonization tower, the reaction liquid is sprayed and spread through the spray header, the sprayed reaction liquid falls into the carbonization tower, a gas-water mixer is positioned at the bottom of the carbonization tower, and carbonization reaction gas is introduced into the carbonization tower through the gas-water mixer. The sprayed reaction liquid is sprayed from top to bottom, the carbonization reaction gas is fully mixed with the reaction liquid from bottom to top, and meanwhile, the sprayed reaction liquid can wash floating dust in the carbonization tower, so that the double effects of full reaction and rapid dust fall are achieved. The sprayed reaction liquid circulates in the carbonization tower, water is saved, the mixed reaction of the reaction liquid and gas is accelerated, and meanwhile, the device has a good dust removal effect, is simple and environment-friendly and is efficient.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. The utility model provides a calcium carbonate carbonization tower internal circulation sprays reaction dust collecting equipment which characterized in that; the device comprises a carbonization tower (1), a spray header (2), an internal circulation pipeline (3) and a gas-water mixer (4), wherein the spray header (2) is arranged at the top of the carbonization tower (1), the sprayed reaction liquid falls into the carbonization tower, an inlet of the spray header (2) is communicated with the internal circulation pipeline (3), and the internal circulation pipeline (3) extracts the reaction liquid from the bottom of the carbonization tower (1) to an inlet of the spray header (2) through a self-priming pump (5); the reaction liquid is sprayed and spread through a spray header (2), the sprayed reaction liquid falls into a carbonization tower, a gas-water mixer (4) is positioned at the bottom of the carbonization tower (1), and carbonization reaction gas is introduced into the carbonization tower through the gas-water mixer (4); and the reaction gas after spray washing is discharged from an outlet at the top of the carbonization tower.
2. The calcium carbonate carbonization tower internal circulation spray reaction dust removal device according to claim 1, which is characterized in that; the gas-water mixer (4) is positioned at the bottom of the carbonization tower, and carbonization reaction gas is introduced into the carbonization tower (1) through the gas-water mixer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022235353136 | 2022-12-29 | ||
| CN202223535313 | 2022-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784220U true CN219784220U (en) | 2023-10-03 |
Family
ID=88182040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320442397.4U Active CN219784220U (en) | 2022-12-29 | 2023-03-10 | Calcium carbonate carbonization tower internal circulation spray reaction dust collecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784220U (en) |
-
2023
- 2023-03-10 CN CN202320442397.4U patent/CN219784220U/en active Active
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