CN115432861A - Nuclear crystal condensation induction granulation salt separation crystallization water treatment device with seed crystal regeneration system - Google Patents
Nuclear crystal condensation induction granulation salt separation crystallization water treatment device with seed crystal regeneration system Download PDFInfo
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- CN115432861A CN115432861A CN202211318156.5A CN202211318156A CN115432861A CN 115432861 A CN115432861 A CN 115432861A CN 202211318156 A CN202211318156 A CN 202211318156A CN 115432861 A CN115432861 A CN 115432861A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000013078 crystal Substances 0.000 title claims abstract description 87
- 230000008929 regeneration Effects 0.000 title claims abstract description 61
- 238000011069 regeneration method Methods 0.000 title claims abstract description 61
- 238000000926 separation method Methods 0.000 title claims abstract description 33
- 238000005469 granulation Methods 0.000 title claims abstract description 23
- 230000003179 granulation Effects 0.000 title claims abstract description 23
- 150000003839 salts Chemical class 0.000 title claims abstract description 18
- 238000002425 crystallisation Methods 0.000 title claims abstract description 17
- 230000008025 crystallization Effects 0.000 title claims abstract description 17
- 230000006698 induction Effects 0.000 title claims abstract description 15
- 238000009833 condensation Methods 0.000 title claims description 4
- 230000005494 condensation Effects 0.000 title claims description 4
- 239000010802 sludge Substances 0.000 claims abstract description 34
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 22
- 239000003814 drug Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000005054 agglomeration Methods 0.000 claims abstract description 13
- 230000002776 aggregation Effects 0.000 claims abstract description 13
- 239000000706 filtrate Substances 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000005345 coagulation Methods 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 6
- 238000010899 nucleation Methods 0.000 claims description 6
- 230000006911 nucleation Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
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- 238000000576 coating method Methods 0.000 claims description 3
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- 238000005260 corrosion Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 13
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- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
A nuclear crystal agglomeration induction granulation salt separation crystallization water treatment device with a seed crystal regeneration system comprises a reactor body and a seed crystal regeneration system; the reactor body comprises an outer cylinder and an inner cylinder which are arranged at intervals, the inner cylinder is connected with a seed crystal placing pipeline, a water inlet pipe, a dosing pipe and an inner cylinder mud discharging pipe, a tooth-shaped overflow weir is arranged above the inner cylinder in the outer cylinder, a water outlet pipe is arranged on the cylinder wall of the outer cylinder and opposite to the bottom of the tooth-shaped overflow weir, and the bottom of the outer cylinder is connected with the outer cylinder mud discharging pipe; the seed crystal regeneration system comprises a regeneration cavity, a filter screen is arranged in the regeneration cavity to divide the cavity into a regeneration area and a filtrate area, the regeneration area is provided with an inner and outer barrel sludge discharge solid-liquid separation water inlet and a nitric acid medicine inlet pipe, and the inner and outer barrel sludge discharge solid-liquid separation water inlet is connected with an inner barrel sludge discharge pipe and an outer barrel sludge discharge pipe. The invention realizes advanced treatment and resource utilization of wastewater, the product in the using and running process can be directly used as the raw material of other processes, and the using process is simple and quick, saves time and improves efficiency.
Description
Technical Field
The invention belongs to the technical field of water purification, relates to a nuclear crystal coagulation induction granulation salt separation crystallization water treatment device, and particularly relates to a nuclear crystal coagulation induction granulation salt separation crystallization water treatment device with a seed crystal regeneration system.
Background
Industrial wastewater occupies a large proportion of water environment pollution, and becomes one of the major problems to be solved urgently in current environmental work. Unlike organic matter which can be destroyed by decomposition, heavy metals can only displace their site of presence and change their physical and chemical state. The treatment method of the heavy metal wastewater commonly used at present mainly comprises a chemical precipitation method, a reduction method, an adsorption method, a membrane separation method, a coagulation method, an ion exchange method, an electrochemical method and the like. Aiming at the requirements of stable operation, good treatment effect, low investment, low operation cost, easy management and operation, no secondary pollution and the like, the method can not completely meet the requirements. Therefore, the heavy metal wastewater treatment process meeting the requirements is urgently needed to be developed in the field, and classification, recovery and resource utilization of the heavy metals in the heavy metal wastewater are realized while the heavy metals are efficiently removed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a nuclear crystal coagulation induction granulation salt separation crystallization water treatment device with a seed crystal regeneration system, so as to realize sewage treatment and classification recovery and resource utilization of treated products in an integrated structure.
In order to achieve the purpose, the invention adopts the technical scheme that:
a nuclear crystal agglomeration induction granulation salt separation crystallization water treatment device with a seed crystal regeneration system comprises a reactor body and a seed crystal regeneration system;
the reactor body comprises an outer barrel and an inner barrel, the inner barrel is arranged at the middle lower part in the outer barrel, a space is reserved between the inner barrel and the outer barrel, the inner barrel is connected with a seed crystal placing pipeline, a water inlet pipe, a dosing pipe and an inner barrel mud discharging pipe, a tooth-shaped overflow weir is arranged above the inner barrel in the outer barrel, a water outlet pipe is arranged on the position, right opposite to the bottom of the tooth-shaped overflow weir, of the barrel wall of the outer barrel, and the bottom of the outer barrel is connected with the outer barrel mud discharging pipe;
the seed crystal regeneration system comprises a regeneration cavity, a filter screen is arranged in the regeneration cavity to divide the cavity into a regeneration area and a filtrate area, the regeneration area is provided with an inner and outer cylinder sludge discharge solid-liquid separation water inlet and a nitric acid feed pipe, and the inner and outer cylinder sludge discharge solid-liquid separation water inlet is connected with the inner cylinder sludge discharge pipe and the outer cylinder sludge discharge pipe.
In one embodiment, the seed crystal placing pipeline is a hopper, the hopper is vertically arranged, the inlet end is positioned at the top of the outer cylinder, and the outlet end is positioned at the middle upper part of the inner cylinder.
In one embodiment, the water inlet flow rate of the water inlet pipe enables the crystal seeds in the inner cylinder to be in a suspension state, the medicine adding pipe is used for injecting alkaline agents, so that the reaction is continuously carried out in the reactor body, the filling height of the crystal seeds in the inner cylinder is 10% -15% of the effective height of the device, and the effective height of the device refers to the longitudinal distance between the water inlet pipe and the water outlet pipe.
In one embodiment, the bottom of the inner cylinder is conical, the water inlet pipe and the dosing pipe are horizontally connected to the lower part of the inner cylinder, and the inner cylinder sludge discharge pipe is vertically connected to the bottom of the inner cylinder.
In one embodiment, the water inlet pipe and the dosing pipe are positioned on the same horizontal plane and are tangentially connected with the inner barrel.
In one embodiment, the outer barrel sludge discharge pipe is horizontally arranged.
In one embodiment, the bottom of the outer cylinder is connected with a return water outlet pipe, the lower part of the inner cylinder is connected with a circulating water inlet pipe, the return water outlet pipe is communicated with the circulating water inlet pipe, and the circulating water inlet pipe is tangentially connected with the inner cylinder.
In one embodiment, the seed regeneration system is located below the entire reactor body.
In one embodiment, the nitric acid feed pipe feeds dilute nitric acid with the mass concentration of 10-15% to the regeneration area.
In one embodiment, each portion of the seed regeneration system is coated with a coating for preventing nitric acid corrosion.
Compared with the prior art, the invention has the beneficial effects that:
1. the integration of the reactor body and the regeneration system realizes the continuous operation of the removal of heavy metal ions in the wastewater, the regeneration of the seed crystal and the classified recovery of the heavy metal ions.
2. Greatly shortens the process flow, reduces the occupied area, improves the working efficiency and indirectly improves the economic benefit.
3. The device is easy to operate, high in automation degree and strong in adaptability to complex water bodies.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a sectional view taken along line C-C in fig. 1.
Reference numerals
In the figure: 1. an outer cylinder; 2. a hopper; 3. an inner barrel; 4. a water inlet pipe; 5. a medicine feeding pipe; 6. a circulating water inlet pipe; 7. an inner barrel sludge discharge pipe; 8. an outer barrel sludge discharge pipe; 9. a return water outlet pipe; 10. a solid-liquid separation water inlet for sludge discharge of the inner and outer cylinders; 11. a nitric acid medicine inlet pipe; 12. a filter screen; 13. a percolate discharge pipe; 14. a tooth-shaped overflow weir; 15. and (5) discharging a water pipe.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
As described above, the existing equipment for treating salt-separated crystallization water by nucleation agglomeration induction and granulation can effectively realize the high-efficiency removal and classification recovery of heavy metal ions in wastewater, but the used seed crystals still have low economic benefit, and the seed crystals have the characteristic of selectively inducing granulation on the heavy metal ions in the wastewater, so that the recovery and reuse of the seed crystals and the classification recovery and resource utilization of the heavy metal ions are needed, the process flow is reduced, and the operability of the equipment is increased.
Based on the integrated device, the reactor body and the seed crystal regeneration system are integrated, and in the integrated device, the high-efficiency removal of heavy metal ions in the wastewater, the regeneration of the seed crystal and the resource utilization of the heavy metal ions can be simultaneously realized, so that the working efficiency is improved, the occupied area is reduced, and the economic benefit is improved.
The meaning of the invention 'treatment of salt-separating crystallization water by granulation induced by nuclear crystal agglomeration' is as follows: the nucleation agglomeration induced granulation is to introduce seed crystals and alkaline agents into the water body, optimize and regulate hydraulic parameters and induce the heavy metal ions in the water body to crystallize and precipitate on the surfaces of the seed crystals, so that the aim of removing the heavy metal ions in the water body is fulfilled; the salt separation crystallization means that by adding seed crystals with different attribute characteristics, heavy metal ions with the same attribute in the composite water body are selectively induced to crystallize and precipitate on the surfaces of the seed crystals with corresponding characteristics, so that the aim of removing different heavy metal ions in a gradient manner is fulfilled. In the invention, the seed crystal used can be metal oxide modified anion exchange resin, and can also be other types of seed crystals.
The device for treating the crystal water of salt separation and crystallization by nuclear crystal agglomeration induction granulation with a crystal seed regeneration system mainly comprises a reactor body and a crystal seed regeneration system, and is specifically shown in figure 1, figure 2, figure 3 and figure 4:
the reactor body mainly comprises an outer cylinder 1 and an inner cylinder 3, wherein the inner cylinder 3 is arranged in the outer cylinder 1, particularly preferably arranged at the middle lower part, and a distance is reserved between the outer wall of the inner cylinder 3 and the inner wall of the outer cylinder 1. The inner cylinder 3 is connected with the seed crystal putting pipeline 2, the water inlet pipe 4, the medicine adding pipe 5 and the inner cylinder sludge discharge pipe 7, and seed crystal adding, water inlet, medicine adding and sludge discharge are respectively realized. A tooth-shaped overflow weir 14 is arranged in the outer cylinder 1, and the tooth-shaped overflow weir 14 is positioned above the inner cylinder 3 and can play a role in filtering. The wall of the outer barrel 1 is provided with a water outlet pipe 15, the water outlet pipe 15 is opposite to the bottom of the tooth-shaped overflow weir 14, and the bottom of the outer barrel 1 is connected with an outer barrel mud pipe 8.
The crystal seed regeneration system mainly comprises a regeneration cavity 16, a filter screen 12 is arranged in the regeneration cavity 16, and the cavity is divided into a regeneration area and a filtrate area by the filter screen 12. The regeneration zone is provided with an inner and outer barrel sludge solid-liquid separation water inlet 10 and a nitric acid medicine inlet pipe 11, wherein the inner and outer barrel sludge solid-liquid separation water inlet 10 is connected with an inner barrel sludge discharge pipe 7 and an outer barrel sludge discharge pipe 8.
During the operation of the reactor, substances such as sludge and the like generated in the inner cylinder 3 and the outer cylinder 1 are injected into a seed crystal regeneration system through the sludge discharging solid-liquid separation water inlet 10 of the inner cylinder and the outer cylinder under the action of the peristaltic pump, and solid-liquid separation is carried out through the filter screen 12, wherein the peristaltic pump is connected with each pipe orifice through a silicone tube. In the regeneration zone, the obtained sludge is intercepted by the filter screen 12, and the sediment on the surface of the sludge particles is gradually dissolved under the action of the nitric acid injected from the nitric acid medicine inlet pipe 11. Illustratively, dilute nitric acid with the concentration of 10-15% is selected as the nitric acid, the ratio of the dosage of the nitric acid to the content of the target pollutants in the water body is 1.5 (mol ratio), and the dosage of the nitric acid is not excessive, otherwise, the regenerated seed crystals are damaged and impurity ions exist in the leachate.
In one embodiment of the present invention, the seed crystal introducing pipe 2 is a hopper, which is vertically disposed, with an inlet end located at the top of the outer cylinder 1 and an outlet end located at the middle upper portion inside the inner cylinder 3, so as to fill the inner cylinder 3 with the seed crystal. Wherein the inner cylinder 3 can be fixed in the outer cylinder 1 by two steel plates.
In one embodiment of the present invention, the bottom of the inner barrel 3 is tapered, the water inlet pipe 4 and the chemical feeding pipe 5 are horizontally connected to the lower portion of the inner barrel 3, and the inner barrel sludge discharge pipe 7 is vertically connected to the bottom of the inner barrel 3. Exemplarily, the water inlet pipe 4 and the chemical feeding pipe 5 are positioned on the same horizontal plane and are tangentially connected with the inner barrel 3, and the tangential water inlet is beneficial to uniform mixing of the chemical and the raw water, so that the treatment effect of the wastewater is improved.
In an embodiment of the present invention, a filter screen is disposed on the tooth-shaped overflow weir 14 to further filter impurities, and finally, the effluent is discharged through the water outlet pipe 15.
In one embodiment of the invention, the water inlet flow rate of the water inlet pipe 4 enables the seed crystal in the inner cylinder 3 to be in a suspension state, the medicine adding pipe 5 is used for injecting an alkaline medicament, so that the reaction is continuously carried out in the reactor body, and the filling height of the seed crystal in the inner cylinder 3 is 10% -15% of the effective height of the device. In the present invention, the effective height of the device refers to the longitudinal distance between the water inlet pipe 4 and the water outlet pipe 15.
In one embodiment of the invention, the outer barrel sludge discharge pipe 8 is horizontally arranged.
In one embodiment of the invention, the bottom of the outer cylinder 1 is connected with a return water outlet pipe 9, the lower part of the inner cylinder 3 is connected with a circulating water inlet pipe 6, the return water outlet pipe 9 is communicated with the circulating water inlet pipe 6, and the circulating water inlet pipe 6 is tangentially connected with the inner cylinder 3.
In one embodiment of the invention, the seed regeneration system is located below the entire reactor body.
In one embodiment of the invention, each part of the seed regeneration system is coated with a coating for preventing nitric acid corrosion. Illustratively, the anticorrosive paint may be a KN22 strong oxidation resistant paint, and may also be a ZS-1032 type strong oxidation resistant paint.
The processing flow of the invention is as follows:
the inner cylinder 3 is filled with seeds, for example, 15% of the effective height of the device; then waste water is injected through the water inlet pipe 4, the flow rate is adjusted to enable the seed crystal to be in a suspension state, then alkaline agents are injected through the drug adding pipe 5, so that the reaction is continuously carried out in the reactor, and effluent water after the reaction flows out from the water outlet pipe 15 after passing through the tooth-shaped overflow weir 14. The substances discharged from the inner barrel sludge discharge pipe 7 and the outer barrel sludge discharge pipe 8 enter the crystal seed regeneration system through the inner and outer barrel solid-liquid separation water inlet 10, solid-liquid separation is carried out in the crystal seed regeneration system through the filter screen 12, after complete separation, nitric acid is injected through the nitric acid medicine inlet pipe 11 to react with sludge in the crystal seed regeneration area, and the concentration of the nitric acid is 10% in an example. Finally, the regenerated seed crystal and the nitrate solution containing single heavy metal ions are obtained, and classified recovery and resource utilization of the product are realized.
In the invention, the tooth-shaped overflow weir 14 is mainly used for ensuring the uniform overflow of liquid and playing a role in solid-liquid separation, the nucleation agglomeration induction granulation reaction mainly occurs in the inner cylinder 3, and the heavy metal ions in the water body and the alkaline medicament are precipitated and attached to the surface of the seed crystal, so that a compact granulation body is formed and enters the seed crystal regeneration system to act with the nitric acid in the seed crystal regeneration system, and the regeneration of the seed crystal and the recovery of the heavy metal ions are realized. The nitrate solution containing heavy metal ions is discharged from the percolate discharge pipe 13.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A nuclear crystal agglomeration induction granulation salt separation crystallization water treatment device with a seed crystal regeneration system is characterized by comprising a reactor body and a seed crystal regeneration system;
the reactor body comprises an outer cylinder (1) and an inner cylinder (3), the inner cylinder (3) is arranged at the middle lower part in the outer cylinder (1) and a distance is reserved between the inner cylinder and the outer cylinder, the inner cylinder (3) is connected with a seed crystal placing pipeline (2), a water inlet pipe (4), a medicine adding pipe (5) and an inner cylinder mud pipe (7), a tooth-shaped overflow weir (14) is arranged above the inner cylinder (3) in the outer cylinder (1), a water outlet pipe (15) is arranged on the position, right opposite to the bottom of the tooth-shaped overflow weir (14), of the cylinder wall of the outer cylinder (1), and the bottom of the outer cylinder (1) is connected with an outer cylinder mud pipe (8);
the seed crystal regeneration system comprises a regeneration cavity (16), a filter screen (12) is arranged in the regeneration cavity (16) to divide the cavity into a regeneration area and a filtrate area, the regeneration area is provided with an inner and outer cylinder sludge discharge solid-liquid separation water inlet (10) and a nitric acid feed pipe (11), and the inner and outer cylinder sludge discharge solid-liquid separation water inlet (10) is connected with an inner cylinder sludge discharge pipe (7) and an outer cylinder sludge discharge pipe (8).
2. The apparatus for treating crystal water for salt separation by nucleation condensation induced granulation with seed crystal regeneration system according to claim 1, wherein the seed crystal input pipeline (2) is a hopper, the hopper is vertically arranged, the inlet end is located at the top of the outer cylinder (1), and the outlet end is located at the middle upper part of the inner cylinder (3).
3. The apparatus for treating crystal water for salt separation by nucleation agglomeration induction granulation with seed crystal regeneration system according to claim 1 or 2, wherein the water inlet pipe (4) has a water inlet flow rate to make the seed crystal in the inner cylinder (3) in suspension state, the drug feeding pipe (5) is used for injecting alkaline agent to make the reaction continuously proceed in the reactor body, the filling height of the seed crystal in the inner cylinder (3) is 10% -15% of the effective height of the apparatus, and the effective height of the apparatus refers to the longitudinal distance between the water inlet pipe (4) and the water outlet pipe (15).
4. The device for treating crystal seed coagulation inducing granulation salt-separating crystallization water with the crystal seed regeneration system according to claim 1, wherein the bottom of the inner cylinder (3) is conical, the water inlet pipe (4) and the chemical feeding pipe (5) are horizontally connected to the lower part of the inner cylinder (3), and the inner cylinder sludge discharge pipe (7) is vertically connected to the bottom of the inner cylinder (3).
5. The device for treating the crystal seed coagulation-induced granulation-separated salt crystallization water with the crystal seed regeneration system according to claim 4, wherein the water inlet pipe (4) and the chemical feeding pipe (5) are positioned on the same horizontal plane and are tangentially connected with the inner cylinder (3).
6. The apparatus for treating crystal water for salt separation and crystallization with nucleus condensation inducing granulation with seed crystal regeneration system as claimed in claim 1, wherein said outer cylinder sludge discharge pipe (8) is horizontally disposed.
7. The device for treating crystal water by nuclear crystal agglomeration induction granulation and salt separation crystallization with a crystal seed regeneration system according to claim 1, wherein a return water outlet pipe (9) is connected to the bottom of the outer cylinder (1), a circulating water inlet pipe (6) is connected to the lower part of the inner cylinder (3), the return water outlet pipe (9) is communicated with the circulating water inlet pipe (6), and the circulating water inlet pipe (6) is tangentially connected with the inner cylinder (3).
8. The apparatus for treating water for salt crystal separation by nucleation agglomeration induction granulation with seed crystal regeneration system according to claim 1, wherein said seed crystal regeneration system is located below the whole reactor body.
9. The apparatus for treating crystal water for salt separation by nuclear crystal agglomeration induction granulation with seed crystal regeneration system according to claim 1, wherein the nitric acid feed pipe (11) feeds dilute nitric acid with a mass concentration of 10-15% to the regeneration zone.
10. The apparatus for treating crystal water by inducing granulation and salt separation through nuclear crystallization agglomeration with seed crystal regeneration system according to claim 1, wherein each part of said seed crystal regeneration system is coated with a layer of coating for preventing nitric acid corrosion.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292202A (en) * | 2001-03-30 | 2002-10-08 | Japan Organo Co Ltd | Crystallization reaction apparatus provided with means for recovering crystallization-reactive component |
| CN102459096A (en) * | 2009-06-11 | 2012-05-16 | 栗田工业株式会社 | Method for recovering water and metals from plating wastewater resulting from washing |
| JP2019065345A (en) * | 2017-09-29 | 2019-04-25 | 住友金属鉱山株式会社 | Manufacturing method of nickel powder |
| CN216711770U (en) * | 2021-12-03 | 2022-06-10 | 烟台金正环保科技有限公司 | Water treatment system for realizing crystal seed regeneration |
| CN114950186A (en) * | 2022-06-13 | 2022-08-30 | 西安交通大学 | Nuclear crystal condensation induction granulation salt separation crystallization water treatment device with tangential water inlet/dosing/circulating water inlet structure |
| CN116040882A (en) * | 2023-02-23 | 2023-05-02 | 烟台金正环保科技有限公司 | Seed regeneration system |
-
2022
- 2022-10-26 CN CN202211318156.5A patent/CN115432861A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002292202A (en) * | 2001-03-30 | 2002-10-08 | Japan Organo Co Ltd | Crystallization reaction apparatus provided with means for recovering crystallization-reactive component |
| CN102459096A (en) * | 2009-06-11 | 2012-05-16 | 栗田工业株式会社 | Method for recovering water and metals from plating wastewater resulting from washing |
| JP2019065345A (en) * | 2017-09-29 | 2019-04-25 | 住友金属鉱山株式会社 | Manufacturing method of nickel powder |
| CN216711770U (en) * | 2021-12-03 | 2022-06-10 | 烟台金正环保科技有限公司 | Water treatment system for realizing crystal seed regeneration |
| CN114950186A (en) * | 2022-06-13 | 2022-08-30 | 西安交通大学 | Nuclear crystal condensation induction granulation salt separation crystallization water treatment device with tangential water inlet/dosing/circulating water inlet structure |
| CN116040882A (en) * | 2023-02-23 | 2023-05-02 | 烟台金正环保科技有限公司 | Seed regeneration system |
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