CN113149043A - Crystallization prevention device for salt lake old brine conveying system - Google Patents
Crystallization prevention device for salt lake old brine conveying system Download PDFInfo
- Publication number
- CN113149043A CN113149043A CN202110310076.4A CN202110310076A CN113149043A CN 113149043 A CN113149043 A CN 113149043A CN 202110310076 A CN202110310076 A CN 202110310076A CN 113149043 A CN113149043 A CN 113149043A
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- Prior art keywords
- brine
- fresh water
- pipe
- salt lake
- conveying system
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F5/00—Compounds of magnesium
- C01F5/26—Magnesium halides
- C01F5/30—Chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/20—Halides
- C01F11/24—Chlorides
- C01F11/32—Purification
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of brine dilution of chemical products, in particular to an anti-crystallization device of a salt lake old brine conveying system, which comprises a brine pipe, an adsorption tower connected with the brine pipe, and a liquid storage tank connected with the adsorption tower, wherein the brine pipe is connected with a dilution device; the diluting device comprises a fresh water tank, the fresh water tank is connected with a fresh water pipeline, the fresh water pipeline is fixedly connected with a brine pipe through a fresh water distributor, diluted fresh water is uniformly sprayed into brine through the fresh water distributor to reduce the concentration of magnesium chloride and calcium chloride, the brine at an inlet is ensured not to be crystallized, the brine conveying efficiency is improved, the load of brine concentration and purification equipment is reduced, and the precondition is provided for the stable operation of subsequent calcium and magnesium removal equipment; the invention has the characteristics of dissolving brine crystallized mineral substances at the inlet of the upstream brine pipeline pump, diluting the brine concentration in the pipeline, avoiding pipeline crystallization, reducing subsequent system blockage, ensuring stable operation of equipment and improving brine conveying efficiency.
Description
Technical Field
The invention relates to the technical field of brine dilution of chemical products, in particular to an anti-crystallization device for a salt lake old brine conveying system.
Background
In the process of extracting and concentrating lithium ions at the front end of the lithium carbonate industry, brine at the front end is conveyed to subsequent analytic concentration equipment through a pipeline pump, and as the content of magnesium chloride in the brine in a salt lake region exceeds 150g/L, the content of potassium chloride exceeds 50g/L and the content of calcium chloride exceeds 10g/L, along with the change of environmental temperature and the change of liquid level, the concentrations of magnesium chloride, calcium chloride and other substances also change, so that the magnesium chloride, the calcium chloride and other substances are crystallized at the inlet of a brine pipeline, the continuous operation of a subsequent system is influenced, and crystal blocks need to be manually cleaned. However, in the prior art, only diluted fresh water is mixed with brine, so that brine is crystallized in the conveying process, normal operation of downstream equipment during concentration and purification is influenced, and independent operation of calcium and magnesium removal system equipment is further influenced.
Disclosure of Invention
The invention aims to solve the problem of providing an anti-crystallization device for a salt lake old brine conveying system, which is used for dissolving brine crystallized mineral substances at an inlet of an upstream brine pipeline pump, diluting brine concentration in a pipeline, avoiding pipeline crystallization, reducing subsequent system blockage, ensuring stable operation of equipment and improving brine conveying efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that: an anti-crystallization device of a salt lake old brine conveying system comprises a brine pipe, an adsorption tower connected with the brine pipe, and a liquid storage tank connected with the adsorption tower, wherein the brine pipe is connected with a dilution device;
the diluting device comprises a fresh water tank, the fresh water tank is connected with a fresh water pipeline, and the fresh water pipeline is fixedly connected with the brine pipe through the fresh water distributor.
Furthermore, a fresh water pipeline pump is arranged on the fresh water pipeline, a brine pump is arranged on the brine pipeline, and the water level of the fresh water pipeline pump is higher than that of the brine pump.
Furthermore, flow valves are arranged on the fresh water pipeline and the brine pipe.
Further, the fresh water distributor is arranged at an inlet of the brine pipe.
Furthermore, the fresh water distributor comprises a base plate, a water inlet is formed in one side of the base plate and connected with a fresh water pipeline, a cavity communicated with the water inlet is formed in the base plate, and a first nozzle and a second nozzle which are connected with the cavity are formed in the base plate.
Further, the first nozzle is arranged vertically to the horizontal plane where the chassis is located.
Further, the second nozzle is arranged on the inner side of the chassis.
Further, the first nozzle and the second nozzle are arranged at intervals.
Further, the base plate is annular, and the inner diameter of the base plate is equal to that of the brine pipe.
Furthermore, a filter screen is arranged between the fresh water distributor and the brine pipe.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides an anti-crystallization device for a salt lake old brine conveying system, which is used for adjusting a dilution fresh water valve to reduce the concentration of magnesium chloride and calcium chloride at a brine inlet, and when the flow of the dilution fresh water is adjusted within the range of 5-20m3The brine can be ensured not to be crystallized at the inlet, and diluted fresh water is uniformly sprayed into the brine through the fresh water distributor, so that the brine conveying efficiency can be improved, the load of brine concentration and purification equipment is reduced, and preconditions are provided for the stable operation of subsequent calcium and magnesium removal equipment; according to the fresh water diluting equipment provided by the invention, brine crystalline minerals at the inlet of the brine pipeline pump at the upstream are dissolved in the process, the brine concentration in the pipeline can be diluted, the pipeline crystallization is avoided, the subsequent system blockage is reduced, the equipment operation stability is ensured, and the brine conveying efficiency is improved.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a structural view of the fresh water dispenser of the present invention.
In the figure: the device comprises a brine pipe-1, an adsorption tower-2, a liquid storage tank-3, a diluting device-4, a fresh water tank-5, a fresh water pipe-6, a fresh water distributor-7, a fresh water pipe pump-8, a brine pump-9, a flow valve-10, a chassis-11, a water inlet-12, a first nozzle-13, a second nozzle-14 and a filter screen-15.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings that illustrate the invention.
As shown in fig. 1-2, an anti-crystallization device for a salt lake old brine conveying system comprises a brine pipe 1, an adsorption tower 2 connected with the brine pipe 1, a liquid storage tank 3 connected with the adsorption tower 2, and a dilution device 4 connected with the brine pipe 1;
the diluting device 4 comprises a fresh water tank 5, and the volume of the fresh water tank 5 is 4-10m3Volumetric water tank for storing 4-10m3The fresh water liquid of, fresh water tank 5 forms for the welding of square steel sheet, and inside install gusset and observation mouth additional, and make inside rust cleaning brush anticorrosive paint, avoid the water tank corrosion to dilute fresh water mixed impurity, fresh water tank 5 is connected with fresh water pipeline 6, fresh water pipeline 6 is used for carrying the dilute fresh water in the fresh water tank 5 to fresh water distributor 7 through fresh water tubing pump 8, the pipeline internal diameter is DN32-DN65mm, the pipeline material chooses corresponding tubular product for use according to fresh water PH value, fresh water pipeline 6 passes through fresh water distributor 7 and brine pipe 1 fixed connection, fresh water distributor 7 sets up in the import of brine pipe 1, be equipped with filter screen 15 between fresh water distributor 7 and the brine pipe 1.
The fresh water pipeline 6 is provided with a fresh water pipeline pump 8, the brine pipe 1 is provided with a brine pump 9, the water level of the fresh water pipeline pump 8 is higher than that of the brine pump 9, the fresh water pipeline 6 and the brine pipe 1 are respectively provided with a flow valve 10, the fresh water pipeline pump 8 and the brine pump 9 are used for pressurizing and conveying the diluted fresh water in the fresh water tank 5 to the fresh water distributor 7 through the fresh water pipeline pump 8, and the lift is 15-45 m; the flow rate is 30-50m3/h。
The fresh water distributor 7 comprises a base plate 11, the base plate 11 is annular, the inner diameter of the base plate 11 is equal to that of the brine pipe 1, a water inlet 12 is arranged on one side of the base plate 11, the water inlet 12 is connected with the fresh water pipe 6, a cavity communicated with the water inlet 12 is arranged in the base plate 11, the base plate 11 is provided with a first nozzle 13 and a second nozzle 14 which are connected with the cavity, the first nozzle 13 is vertically arranged on the horizontal plane where the base plate 11 is located, the second nozzle 14 is arranged on the inner side of the base plate 11, the first nozzle 13 and the second nozzle 14 are arranged from two directions, and the fresh water can be uniformly sprayed to the inlet of the brine pipe 1, thereby achieving better dilution effect, the first nozzle 13 and the second nozzle 14 are arranged at intervals, the fresh water distributor 7 is of a bent pipe circular ring and nozzle structure, the diluted fresh water in the chassis 11 is evenly sprayed to the filter screen 15 of the brine pipe 1 from the longitudinal direction and the transverse direction through the first nozzle 13 and the second nozzle 14. The chassis 11 has a nominal diameter of DN32-DN65mm, and the first and second nozzles 13, 14 have a nominal diameter of DN12-DN20 mm.
The working process of the invention is as follows:
the diluted fresh water in the fresh water tank 5 is pressurized and conveyed to the fresh water distributor 7 through the fresh water pipeline pump 8, the fresh water is sprayed out from the first nozzle 13 and the second nozzle 14, the diluted fresh water in the chassis 11 is uniformly sprayed to the filter screen 15 of the brine pipe 1 from the longitudinal direction and the transverse direction through the first nozzle 13 and the second nozzle 14, crystals at the inlet of the brine pipe are gradually resolved and melted, crystals at the inlet of the brine pipe 1 are reduced, brine mixed with the diluted fresh water is conveyed to the adsorption tower 2 through the brine pump 9 for adsorption treatment, and finally, the brine mixed with the diluted fresh water is conveyed to the liquid storage tank 3 for storage.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. The utility model provides a crystallization device is prevented to old bittern conveying system in salt lake, includes brine pipe (1) to and adsorption tower (2) that link to each other with brine pipe (1), liquid storage pot (3) that link to each other with adsorption tower (2), its characterized in that: the brine pipe (1) is connected with a diluting device (4);
the diluting device (4) comprises a fresh water tank (5), the fresh water tank (5) is connected with a fresh water pipeline (6), and the fresh water pipeline (6) is fixedly connected with the brine pipe (1) through the fresh water distributor (7).
2. The salt lake old brine conveying system anti-crystallization device as claimed in claim 1, wherein: the fresh water pipeline (6) is provided with a fresh water pipeline pump (8), the brine pipe (1) is provided with a brine pump (9), and the water level of the fresh water pipeline pump (8) is higher than the brine pump (9).
3. The salt lake old brine conveying system anti-crystallization device as claimed in claim 1, wherein: the fresh water pipeline (6) and the brine pipe (1) are both provided with flow valves (10).
4. The salt lake old brine conveying system anti-crystallization device as claimed in claim 1, wherein: the fresh water distributor (7) is arranged at the inlet of the brine pipe (1).
5. The salt lake old brine conveying system anti-crystallization device as claimed in claim 1, wherein: the fresh water distributor (7) comprises a base plate (11), a water inlet (12) is formed in one side of the base plate (11), the water inlet (12) is connected with a fresh water pipeline (6), a cavity communicated with the water inlet (12) is formed in the base plate (11), and a first nozzle (13) and a second nozzle (14) which are connected with the cavity are formed in the base plate (11).
6. The salt lake old brine conveying system anti-crystallization device as claimed in claim 5, wherein: the first nozzle (13) is vertical to the horizontal plane where the chassis (11) is located and is arranged longitudinally.
7. The salt lake old brine conveying system anti-crystallization device as claimed in claim 5, wherein: the second nozzle (14) is arranged on the inner side of the chassis (11).
8. The salt lake old brine conveying system anti-crystallization device as claimed in claim 5, wherein: the first nozzle (13) and the second nozzle (14) are arranged at intervals.
9. The salt lake old brine conveying system anti-crystallization device as claimed in claim 5, wherein: the base plate (11) is annular, and the inner diameter of the base plate (11) is equal to that of the brine pipe (1).
10. The salt lake old brine conveying system anti-crystallization device as claimed in claim 1, wherein: a filter screen (15) is arranged between the fresh water distributor (7) and the brine pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310076.4A CN113149043A (en) | 2021-03-23 | 2021-03-23 | Crystallization prevention device for salt lake old brine conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310076.4A CN113149043A (en) | 2021-03-23 | 2021-03-23 | Crystallization prevention device for salt lake old brine conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113149043A true CN113149043A (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110310076.4A Pending CN113149043A (en) | 2021-03-23 | 2021-03-23 | Crystallization prevention device for salt lake old brine conveying system |
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| CN (1) | CN113149043A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114917600A (en) * | 2022-06-01 | 2022-08-19 | 启东神农机械有限公司 | Evaporative crystallization process and device for producing borax from salt lake lithium extraction discharge liquid |
| CN115253735A (en) * | 2022-06-10 | 2022-11-01 | 贵州兰鑫石墨机电设备制造有限公司 | Titanium white waste acid concentration device and concentration process not easy to block |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187378A (en) * | 2007-12-13 | 2008-05-28 | 姚庆余 | Underground brine collection and transport dedicated pump and its production method |
| CN101598009A (en) * | 2009-07-01 | 2009-12-09 | 邛崃市鸿丰钾矿肥有限责任公司 | A kind of crystallization prevention control device for high temperature brine |
| CN104129804A (en) * | 2014-08-11 | 2014-11-05 | 北京纬纶华业环保科技股份有限公司 | Integral evaporative crystallization system and process |
| CN206337031U (en) * | 2016-12-29 | 2017-07-18 | 广州金智化工科技有限公司 | A kind of Nacl special purification device |
-
2021
- 2021-03-23 CN CN202110310076.4A patent/CN113149043A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187378A (en) * | 2007-12-13 | 2008-05-28 | 姚庆余 | Underground brine collection and transport dedicated pump and its production method |
| CN101598009A (en) * | 2009-07-01 | 2009-12-09 | 邛崃市鸿丰钾矿肥有限责任公司 | A kind of crystallization prevention control device for high temperature brine |
| CN104129804A (en) * | 2014-08-11 | 2014-11-05 | 北京纬纶华业环保科技股份有限公司 | Integral evaporative crystallization system and process |
| CN206337031U (en) * | 2016-12-29 | 2017-07-18 | 广州金智化工科技有限公司 | A kind of Nacl special purification device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114917600A (en) * | 2022-06-01 | 2022-08-19 | 启东神农机械有限公司 | Evaporative crystallization process and device for producing borax from salt lake lithium extraction discharge liquid |
| CN115253735A (en) * | 2022-06-10 | 2022-11-01 | 贵州兰鑫石墨机电设备制造有限公司 | Titanium white waste acid concentration device and concentration process not easy to block |
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Application publication date: 20210723 |