CN113926217A - High-efficient regeneration system of calcium-removing fluidized bed crystal seed - Google Patents
High-efficient regeneration system of calcium-removing fluidized bed crystal seed Download PDFInfo
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- CN113926217A CN113926217A CN202111415388.8A CN202111415388A CN113926217A CN 113926217 A CN113926217 A CN 113926217A CN 202111415388 A CN202111415388 A CN 202111415388A CN 113926217 A CN113926217 A CN 113926217A
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- regeneration
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- 239000013078 crystal Substances 0.000 title claims abstract description 179
- 230000008929 regeneration Effects 0.000 title claims abstract description 61
- 238000011069 regeneration method Methods 0.000 title claims abstract description 61
- 238000001035 drying Methods 0.000 claims abstract description 26
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 22
- 239000011575 calcium Substances 0.000 claims abstract description 22
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 62
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 31
- 239000003814 drug Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 8
- 238000006297 dehydration reaction Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000004064 recycling Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
- B01D2009/009—Separation of organic compounds by selective or extractive crystallisation with the aid of auxiliary substances forming complex or molecular compounds, e.g. with ureum, thioureum or metal salts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/05—Conductivity or salinity
- C02F2209/055—Hardness
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention discloses a high-efficiency regeneration system for crystal seeds of a calcium-removing fluidized bed, which comprises a calcium-removing fluidized bed system, a mature crystal seed collection system, a crystal seed drying system, a crystal seed regeneration system and a new crystal seed feeding pipeline, wherein the mature crystal seed collection system is connected with the crystal seed drying system through a pipeline; the new crystal seed feeding pipeline is communicated with an inlet of the calcium removal fluidized bed system, a mature crystal seed outlet of the calcium removal fluidized bed system is communicated with an inlet of the mature crystal seed collecting system, an outlet of the mature crystal seed collecting system is communicated with an inlet of the crystal seed drying system, an outlet of the crystal seed drying system is communicated with an inlet of the crystal seed regeneration system, and a regenerated crystal seed outlet of the crystal seed regeneration system is communicated with an inlet of the calcium removal fluidized bed system.
Description
Technical Field
The invention relates to a regeneration system, in particular to a high-efficiency regeneration system for crystal seeds of a calcium-removing fluidized bed.
Background
The calcium-removing fluidized bed is used as common equipment in the softening process of high-hardness water, and has the characteristics of high softening efficiency, small occupied area, low investment and low water content of discharged crystal seeds. Along with the increase of the water treatment amount of the fluidized bed, the seed crystal particles grow gradually, and when the particle size of the seed crystal exceeds a certain size, the softening efficiency of the calcium removal fluidized bed is reduced. Therefore, in the operation process of the equipment, long mature seed crystals need to be continuously discharged, and new seed crystals need to be timely added, so as to achieve the purpose of maintaining the softening efficiency of the calcium-removing fluidized bed. This results in a higher cost of adding new seed crystals and a larger disposal of discharged mature seed crystals as solid waste. In order to reduce the overall operation cost of the calcium removal fluidized bed process, the discharged mature seed crystal needs to be efficiently regenerated and recycled.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-efficiency regeneration system of the calcium-removing fluidized bed seed crystal, which can realize the recycling of the seed crystal and reduce the adding amount of new seed crystal.
In order to achieve the aim, the high-efficiency regeneration system of the crystal seeds of the calcium-removing fluidized bed comprises a calcium-removing fluidized bed system, a mature crystal seed collection system, a crystal seed drying system, a crystal seed regeneration system and a new crystal seed feeding pipeline;
the new crystal seed feeding pipeline is communicated with an inlet of the calcium removal fluidized bed system, a mature crystal seed outlet of the calcium removal fluidized bed system is communicated with an inlet of the mature crystal seed collecting system, an outlet of the mature crystal seed collecting system is communicated with an inlet of the crystal seed drying system, an outlet of the crystal seed drying system is communicated with an inlet of the crystal seed regeneration system, and a regenerated crystal seed outlet of the crystal seed regeneration system is communicated with an inlet of the calcium removal fluidized bed system.
The mature seed crystal outlet of the calcium removal fluidized bed system is communicated with the inlet of the mature seed crystal collecting system through a mature seed crystal conveying system.
The outlet of the mature crystal seed collecting system is communicated with the inlet of the crystal seed drying system through a dehydration crystal seed conveying system.
The outlet of the crystal seed drying system is communicated with the inlet of the crystal seed regeneration system through a drying crystal seed conveying system.
The regenerated seed crystal outlet of the seed crystal regeneration system is communicated with the inlet of the calcium removal fluidized bed system through a regenerated seed crystal conveying system.
The calcium carbonate medicament preparation system is also included; and a calcium carbonate outlet of the seed crystal regeneration system is communicated with a calcium carbonate medicament preparation system.
The calcium carbonate outlet of the crystal seed regeneration system is communicated with the calcium carbonate medicament preparation system through a calcium carbonate conveying system.
The mature seed crystal collecting system separates the transported water from the mature seed crystal, wherein the separation mode comprises one or more of gravity separation, centrifugal separation, magnetic separation and filtration separation.
The seed crystal regeneration system realizes the regeneration of the seed crystal by adopting one or a combination of crushing, grinding, particle size screening and magnetic recovery.
The invention has the following beneficial effects:
when the high-efficiency regeneration system for the crystal seeds of the calcium-removing fluidized bed is specifically operated, the mature crystal seeds output by the calcium-removing fluidized bed system are separated and then sent to the crystal seed regeneration system for regeneration, and then sent to the calcium-removing fluidized bed system for reuse, so that the recycling of the crystal seeds is realized, the adding amount of new crystal seeds is reduced, the cyclic utilization of the crystal seeds is realized, after the new crystal seeds are added for the first time, a large amount of new crystal seeds are not required to be continuously added, and the adding cost of the new crystal seeds is reduced.
Furthermore, calcium carbonate generated in the regeneration process can be used for preparing calcium carbonate medicament, and the resource utilization of the seed crystal is realized. The crystal seed regeneration treatment system is used for collecting the calcium carbonate on the surface of the crystal seed, so that the crystal nucleus is prevented from being mixed, the prepared calcium carbonate medicament has high purity and good medicament effect, and if the crystal nucleus is mixed into the calcium carbonate medicament, the crystal nucleus has high hardness, and the calcium carbonate medicament can wear dosing and reaction equipment when being reused as the medicament; the crystal nuclei do not participate in the reaction, and when the number of crystal nuclei is large, the effect of the drug is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a calcium removal fluidized bed system, 2 is a mature seed crystal collection system, 3 is a seed crystal drying system, 4 is a seed crystal regeneration system, 5 is a calcium carbonate medicament preparation system, M1 is a mature seed crystal conveying system, M2 is a dehydration seed crystal conveying system, M3 is a dry seed crystal conveying system, M4 is a regeneration seed crystal conveying system, and M5 is a calcium carbonate conveying system.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the invention. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the high-efficiency regeneration system of the decalcification fluidized bed seed crystal of the present invention comprises a decalcification fluidized bed system 1, a mature seed crystal collection system 2, a seed crystal drying system 3, a seed crystal regeneration system 4, a calcium carbonate medicament preparation system 5, a mature seed crystal conveying system M1, a dehydration seed crystal conveying system M2, a drying seed crystal conveying system M3, a regeneration seed crystal conveying system M4, a calcium carbonate conveying system M5 and a new seed crystal feeding pipeline;
the new crystal seed feeding pipeline is communicated with an inlet of the calcium removal fluidized bed system 1, a mature crystal seed outlet of the calcium removal fluidized bed system 1 is communicated with an inlet of the mature crystal seed collecting system 2 through a mature crystal seed conveying system M1, an outlet of the mature crystal seed collecting system 2 is communicated with an inlet of the crystal seed drying system 3 through a dehydration crystal seed conveying system M2, an outlet of the crystal seed drying system 3 is communicated with an inlet of the crystal seed regeneration system 4 through a drying crystal seed conveying system M3, a regeneration crystal seed outlet of the crystal seed regeneration system 4 is communicated with an inlet of the calcium removal fluidized bed system 1 through a regeneration crystal seed conveying system M4, and a calcium carbonate outlet of the crystal seed regeneration system 4 is communicated with the calcium carbonate medicament preparation system 5 through a calcium carbonate conveying system M5.
The specific working process of the invention is as follows:
adding new crystal seeds into a calcium removal fluidized bed system 1, reacting for a period of time, gradually growing up the new crystal seeds in the calcium removal fluidized bed system 1, when the particle size of the particles is larger than or equal to a preset particle size, then gradually reducing the softening treatment efficiency of the calcium removal fluidized bed system 1, inputting mature crystal seeds with larger particle size into a mature crystal seed collection system 2 through a mature crystal seed conveying system M1 by the calcium removal fluidized bed system 1, realizing the separation of the mature crystal seeds from water in the mature crystal seed collection system 2 to realize the dehydration of the mature crystal seeds, inputting the dehydrated mature crystal seeds into a crystal seed drying system 3 through a dehydration crystal seed conveying system M2 for drying to provide conditions for the subsequent preparation of calcium carbonate medicaments, inputting the mature crystal seeds into a crystal seed regeneration system 4 through a drying crystal seed conveying system M3 for regeneration, polishing the large-particle mature crystal seeds into small-particle crystal seeds with crystal nuclei reserved, the small particle crystal seeds retaining the crystal nucleus are conveyed to the calcium removal fluidized bed system 1 through the regeneration crystal seed conveying system M4 for recycling, and the calcium carbonate powder on the surface is collected and conveyed to the calcium carbonate medicament preparation system 5 through the calcium carbonate conveying system M5 to be prepared into a finished calcium carbonate medicament for comprehensive utilization.
It should be noted that the mature seed crystal collection system 2 of the present invention separates the transported water from the mature seed crystal, wherein the separation method includes one or a combination of gravity separation, centrifugal separation, magnetic separation and filtration separation.
The mature seed crystal conveying system M1, the dehydration seed crystal conveying system M2, the drying seed crystal conveying system M3, the regeneration seed crystal conveying system M4 and the calcium carbonate conveying system M5 can be one or a combination of several of a conveying pump, a conveying belt and a conveying device.
The seed crystal regeneration system 4 is used for regenerating the mature seed crystal, wherein the regeneration treatment comprises crushing and grinding, and the seed crystal containing crystal nucleus is collected by one or a combination of particle size screening, magnetic recovery and the like.
Claims (9)
1. The high-efficiency regeneration system for the crystal seeds of the calcium-removing fluidized bed is characterized by comprising a calcium-removing fluidized bed system (1), a mature crystal seed collection system (2), a crystal seed drying system (3), a crystal seed regeneration system (4) and a new crystal seed feeding pipeline;
the new crystal seed feeding pipeline is communicated with an inlet of the calcium removal fluidized bed system (1), a mature crystal seed outlet of the calcium removal fluidized bed system (1) is communicated with an inlet of the mature crystal seed collecting system (2), an outlet of the mature crystal seed collecting system (2) is communicated with an inlet of the crystal seed drying system (3), an outlet of the crystal seed drying system (3) is communicated with an inlet of the crystal seed regeneration system (4), and a regeneration crystal seed outlet of the crystal seed regeneration system (4) is communicated with an inlet of the calcium removal fluidized bed system (1).
2. The high-efficiency regeneration system of the crystal seeds of the calcium-removing fluidized bed according to claim 1, characterized in that the mature crystal seed outlet of the calcium-removing fluidized bed system (1) is communicated with the inlet of the mature crystal seed collection system (2) through a mature crystal seed conveying system (M1).
3. The high-efficiency regeneration system of the decalcifying fluidized bed seed crystal is characterized in that the outlet of the mature seed crystal collection system (2) is communicated with the inlet of the seed crystal drying system (3) through a dehydration seed crystal conveying system (M2).
4. The high-efficiency regeneration system of the decalcification fluidized bed seed crystal is characterized in that the outlet of the seed crystal drying system (3) is communicated with the inlet of the seed crystal regeneration system (4) through a drying seed crystal conveying system (M3).
5. The high-efficiency regeneration system of the decalcification fluidized bed seed crystal is characterized in that the regeneration seed crystal outlet of the seed crystal regeneration system (4) is communicated with the inlet of the decalcification fluidized bed system (1) through a regeneration seed crystal conveying system (M4).
6. The high-efficiency regeneration system of the decalcifying fluidized bed seed crystal is characterized by further comprising a calcium carbonate medicament preparation system (5); the calcium carbonate outlet of the seed crystal regeneration system (4) is communicated with the calcium carbonate medicament preparation system (5).
7. The high-efficiency regeneration system of the decalcifying fluidized bed seed crystal is characterized in that the calcium carbonate outlet of the seed crystal regeneration system (4) is communicated with the calcium carbonate medicament preparation system (5) through a calcium carbonate conveying system (M5).
8. The high-efficiency regeneration system of the decalcification fluidized bed seed crystal is characterized in that the mature seed crystal collection system (2) separates the transported water from the mature seed crystal, wherein the separation mode comprises one or more of gravity separation, centrifugal separation, magnetic separation and filtration separation.
9. The high-efficiency regeneration system of the crystal seeds of the calcium-removing fluidized bed according to claim 6, wherein the crystal seed regeneration system (4) adopts one or more of crushing, grinding, particle size screening and magnetic recovery to realize the regeneration of the crystal seeds.
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CN202111415388.8A CN113926217A (en) | 2021-11-25 | 2021-11-25 | High-efficient regeneration system of calcium-removing fluidized bed crystal seed |
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CN202111415388.8A CN113926217A (en) | 2021-11-25 | 2021-11-25 | High-efficient regeneration system of calcium-removing fluidized bed crystal seed |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114849271A (en) * | 2022-05-26 | 2022-08-05 | 华能陇东能源有限责任公司 | Calcium resource recovery preparation power plant desulfurizer system |
CN114875419A (en) * | 2022-05-26 | 2022-08-09 | 华能陇东能源有限责任公司 | Calcium-removing fluidized bed chemical cleaning system without pickling waste liquid |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114849271A (en) * | 2022-05-26 | 2022-08-05 | 华能陇东能源有限责任公司 | Calcium resource recovery preparation power plant desulfurizer system |
CN114875419A (en) * | 2022-05-26 | 2022-08-09 | 华能陇东能源有限责任公司 | Calcium-removing fluidized bed chemical cleaning system without pickling waste liquid |
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Application publication date: 20220114 |