CN205462118U - Produce device of granular lithium chloride - Google Patents
Produce device of granular lithium chloride Download PDFInfo
- Publication number
- CN205462118U CN205462118U CN201620217094.2U CN201620217094U CN205462118U CN 205462118 U CN205462118 U CN 205462118U CN 201620217094 U CN201620217094 U CN 201620217094U CN 205462118 U CN205462118 U CN 205462118U
- Authority
- CN
- China
- Prior art keywords
- lithium chloride
- unit
- granular lithium
- spray
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a produce device of granular lithium chloride, including fluidization granulation unit, whirlwind separating element, washing unit and tail gas recovery unit spray, fluidization granulation unit includes the prilling tower on upper portion, the fluidized bed at middle part and the hot -blast case of lower part, is provided with the sieve in the fluidized bed, is provided with hot -blast entry on the lateral wall of hot -blast case, fluidization granulation unit is connected with the whirlwind separating element at the first air outlet at prilling tower top through setting up, the whirlwind separating element includes cyclone, cyclone through set up the second air outlet at cyclone top with the washing unit connection sprays, spraying the washing unit and including spray scrubber, circulation of washing water groove and pump, the spray scrubber interconnects with circulation of washing water groove and pump and forms the circulation of washing water return circuit, sprays the washing unit through setting up the third air outlet and tail gas recovery unit connection at the spray scrubber top, tail gas is retrieved the unit and is included draught fan and recovery tower, and spray scrubber and recovery tower are connected to the draught fan.
Description
Technical field
This utility model relates to the technical field that lithium chloride produces, and more particularly, relates to a kind of industrial scale that is applicable to and produces the device of granular lithium chloride.
Background technology
The production of lithium metal generally uses fused salt electrolysis process, and during preparing lithium metal by the method, granular lithium chloride is used in a large number as raw material, and in addition, it is also widely used in the industrial utilizations such as manufacture welding adjuvant, electronics, medicine.
When producing granular lithium chloride, typically directly utilizing lithium chloride solution to produce granular lithium chloride products, the most commonly used is that crystallization process produces granular lithium chloride products.But, the crystallization process production production procedure length of granular lithium chloride products, equipment investment are many, and the input cost also making equipment because lithium chloride products has strong corrosivity is higher.
Using fluidized-bed process to produce granular lithium chloride products is the most little a kind of technology, thus is necessary to provide a kind of industrially scalable metaplasia that is more suitable for produce the fluid bed process units of granular lithium chloride.
Utility model content
In order to solve problems of the prior art, this utility model provides a kind of device reducing production cost and disclosure satisfy that the industrial scale granular lithium chloride of production.
This utility model provides a kind of device producing granular lithium chloride, and described device includes fluidization granulation unit, cyclonic separation unit, spray washing unit and tail gas recycle unit, wherein,
Described fluidization granulation unit includes that the granulation tower on top, the fluid bed at middle part and the hot bellows of bottom and described granulation tower, fluid bed and hot bellows interconnect, described fluid bed is provided with on sieve plate and described fluid bed to be additionally provided with and is positioned at the atomization into liquid subelement above described sieve plate and discharging subelement, being provided with hot-wind inlet on the sidewall of described hot bellows, described fluidization granulation unit is connected with cyclonic separation unit by being arranged on first air outlet at granulation tower top；
Described cyclonic separation unit includes cyclone separator, and described cyclone separator is connected with spray washing unit by being arranged on second air outlet at described cyclone separator top；
Described spray washing unit includes spray scrubber, washings circulating slot and pump, described spray scrubber is interconnected to form washings closed circuit with washings circulating slot and pump, and described spray washing unit is connected with tail gas recycle unit by being arranged on the 3rd air outlet of spray washing top of tower；
Described tail gas recycle unit includes air-introduced machine and recovery tower, and described air-introduced machine connects described spray scrubber and recovery tower.
Produce an embodiment of granular lithium chloride device according to this utility model, described atomization into liquid subelement includes feed tube and the effusion meter being arranged on described feed tube and feed spray gun.
Produce an embodiment of granular lithium chloride device according to this utility model, described discharging subelement includes granular lithium chloride discharge nozzle and the first receiving hopper.
Produce an embodiment of granular lithium chloride device according to this utility model, described sieve plate uniformly has multiple aperture and percent opening is 20～30%, a diameter of the 3 of described aperture～6mm.
Produce an embodiment of granular lithium chloride device according to this utility model, the bottom of described hot bellows is provided with substandard products receiving hopper.
Produce an embodiment of granular lithium chloride device according to this utility model, described fluidization granulation unit also includes the aerator being connected with described hot-wind inlet.
Produce an embodiment of granular lithium chloride device according to this utility model, described cyclonic separation unit also includes the pulser being arranged in described cyclone separator.
Produce an embodiment of granular lithium chloride device according to this utility model, the bottom of described cyclone separator is additionally provided with powdery lithium chloride discharge nozzle and the second receiving hopper.
Produce an embodiment of granular lithium chloride device according to this utility model, described recovery tower is also connected with described washings circulating slot.
Compared with prior art, the device of the granular lithium chloride of production of the present utility model utilizes the hot blast of 260～420 DEG C as thermal source, and production cost is low；Use granular lithium chloride as crystal seed, control processing parameter by control aerator and the electric current of air-introduced machine, compressed air pressure, feeding coal etc. and obtain the lithium chloride products of different-grain diameter；Utilize cyclone separator, realizing grading, granular lithium chloride products reaches more than 80%, and powdery lithium chloride is less than 20%, due to grading, substantial amounts of impurity such as sodium K-Mg-Ca sulfate radical etc. is enriched in and makes the impurity in granular lithium chloride be greatly lowered in powdery lithium chloride；The granular lithium chloride of the less investment of whole device, low cost, beneficially large-scale production.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the device producing granular lithium chloride according to this utility model exemplary embodiment.
Description of reference numerals:
1-granulation tower, 2-fluid bed, 3-the first receiving hopper, 4-hot bellows, 5-powdery lithium chloride discharge nozzle, 6-cyclone separator, 7-pulser, 8-spray scrubber, 9-washings circulating slot, 10-pump, 11-air-introduced machine, 12-recovery tower, 13-effusion meter, 14-sieve plate, 15-feed spray gun, 16-granular lithium chloride discharge nozzle, 17-the second receiving hopper.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, in addition to mutually exclusive feature and/or step, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be by other equivalence or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, an example during each feature is a series of equivalence or similar characteristics.
Below the device of lithium chloride granular to production of the present utility model is described in detail.
Fig. 1 shows the structural representation of the device producing granular lithium chloride according to this utility model exemplary embodiment.
As shown in Figure 1, according to exemplary embodiment of the present utility model, the device of the granular lithium chloride of described production includes fluidization granulation unit, cyclonic separation unit, spray washing unit and tail gas recycle unit, wherein, fluidization granulation unit is the essential building blocks that lithium chloride solution production is obtained granular lithium chloride products by fluidized-bed process, cyclonic separation unit is used for realizing grading isolated powdery lithium chloride products, spray washing unit and tail gas recycle unit then for remove impurity and recovery.
Concrete production process is as follows: use fluidization and spray-drying technology that lithium chloride solution (i.e. completing liquid) carries out being atomized and make in fluidization granulation unit the crystal seed in tower by mist absorption parcel, under hot wind action, it is dried to coarse granule, obtains granular lithium chloride products；Fine powder through cyclonic separation unit classification, obtains powdery lithium chloride products with air inducing；Superfines enters spray washing unit with air inducing and is recovered process, and the minimal amount of superfines not sprayed enters tail gas recycle unit with air inducing and is recovered.
Next structure and the principle of each unit in device are specifically described.
According to this utility model, fluidization granulation unit includes that the granulation tower 1 on top, the fluid bed 2 at middle part and the hot bellows 4 of bottom and granulation tower 1, fluid bed 2 and hot bellows 4 interconnect, fluid bed 2 is provided with on sieve plate 14 and fluid bed 2 to be additionally provided with and is positioned at the atomization into liquid subelement above sieve plate 14 and discharging subelement, the sidewall of hot bellows 4 is provided with hot-wind inlet.
Preferably, fluidization granulation unit also includes the aerator (not shown) being connected with hot-wind inlet, to realize effective control of air quantity and temperature.Wherein, atomization into liquid subelement can include feed tube and the effusion meter 13 being arranged on feed tube and feed spray gun 15, namely atomization into liquid subelement mainly realizes the atomization of lithium chloride solution (i.e. completing liquid) by feed spray gun 15, and then realize the production of granular lithium chloride.Discharging subelement includes granular lithium chloride discharge nozzle 16 and the first receiving hopper 3, and the granular lithium chloride i.e. prepared is collected by discharging subelement.Uniformly having multiple aperture on sieve plate 14 and percent opening is 20～30%, a diameter of the 3 of aperture～6mm, wherein, sieve plate 14 1 aspect, for holding crystal seed and intercepting the granular lithium chloride products of generation, is on the other hand used for through hot blast and ensures that produce is smoothed out.Simultaneously, owing to having a small amount of granular lithium chloride (particle diameter is less than the product of sieve plate hole diameter), leak down sieve plate, it is therefore preferred to arrange substandard products receiving hopper in the bottom of hot bellows 4, to collect this part and hot blast are fully contacted and color and luster is poor substandard products and to be back to front operation and do over again process.
Further, fluidization granulation unit is connected with cyclonic separation unit by being arranged on first air outlet at granulation tower 1 top.Cyclonic separation unit includes cyclone separator 6, cyclone separator 6 is connected with spray washing unit by being arranged on second air outlet at cyclone separator 6 top, and cyclone separator 6 also includes the air intake vent being connected with granulation tower 1, namely, after cyclone separator 6 is to separating and recovering from the fine powder in the air inducing of granulation tower, air inducing goes successively to spray washing unit and carries out subsequent recovery.
Preferably, the bottom of cyclone separator 6 is additionally provided with powdery lithium chloride discharge nozzle 5 and the second receiving hopper 17；Further, cyclonic separation unit also includes the pulser 7 being arranged in cyclone separator 6, reclaims more effectively the powdery lithium chloride products of isolated being pushed out to discharge nozzle.Due to the lithium chloride fine powder easily moisture absorption, therefore the compressed air used by pulser 7 must ensure to be dried, and otherwise discharge nozzle easily blocks.
Spray washing unit includes spray scrubber 8, washings circulating slot 9 and pump 10, and wherein, spray scrubber 8 is interconnected to form washings closed circuit with washings circulating slot 9 and pump 10.Specifically, after the air inducing with superfines enters spray scrubber 8, recirculated water in washings circulating slot 9 is extracted and is pumped to carry out in spray scrubber 8 spray washing by pump 10, ultra-fine lithium chloride powder is dissolved in leacheate, air and water smoke carry out gas-liquid separation through spray washing top of tower, tail gas is pumped down to tail gas recycle unit and carries out spray recovery, and liquid is then discharged in washings circulating slot 9.When reaching finite concentration, the washings in washings circulating slot 9 need to be returned to the collocation remove impurity of front operation and reclaim, if excessive concentration, the sieve plate of spray scrubber 8 can be caused to block so that whole system flow process is not smooth, affects the productivity of granular lithium chloride.
Spray washing unit is connected with tail gas recycle unit by being arranged on the 3rd air outlet at spray scrubber 8 top.Tail gas recycle unit includes air-introduced machine 11 and recovery tower 12, and air-introduced machine 11 connects spray scrubber 8 and recovery tower 12.Wherein, the effect of air-introduced machine 11 is the most crucial, and it drives the circulation of air inducing in whole equipment；Recovery tower 12 carries out spray and reclaims the tail gas that spray scrubber 8 is discharged.Preferably, recovery tower 12 is also connected with washings circulating slot 9, to be back to recovered liquid in washings circulating slot 9 recycle.
Operation principle below in conjunction with the device of example lithium chloride granular to production of the present utility model is described further.
Example:
Device of the present utility model is applicable to industrial scale and produces granular lithium chloride, by controlling the parameters such as lithium chloride solution concentration, feeding coal, blower current, air-introduced machine electric current, hot blast temperature, can produce the granular lithium chloride products obtaining different-grain diameter.
Process control parameter in this example is:
Lithium chloride solution (completing liquid) concentration: 300～600g/l；Hot blast temperature: 260～420 DEG C；Temperature of charge: 140～160 DEG C；Hot-blast pressure: 0.05～0.4MPa；Blower current: 80 ± 5A；Air-introduced machine electric current: 65 ± 5A；Granulation tower air pressure :-50～50Pa；Lithium chloride solution (completing liquid) flow: 0.4～0.9m3/h；The water content of granular lithium chloride products :≤0.6%；Granular lithium chloride products particle diameter: 0.5～4mm.
1 ton of lithium chloride crystal seed (granular lithium chloride) is added in fluid bed 2, crystal seed height is about 60cm, open air-introduced machine 11 and pump 10 and regulate air-introduced machine electric current, start aerator heat air delivery and enter in granulation tower 1 by sieve plate 14, simultaneously under the effect of air-introduced machine 11, air inducing makes lithium chloride crystal seed fluidize through spray scrubber 8, cyclone separator 6.When hot blast temperature reaches 260～420 DEG C, by lithium chloride solution (completing liquid) that concentration is 300～600g/l under the conveying of pump, through effusion meter 13 and feed spray gun 15 and form steam fog under compressed-air actuated effect, it is injected on lithium chloride crystal seed.Hot blast enters in fluid bed 2 from the bottom of sieve plate 14, and be fully contacted heat exchange with lithium chloride crystal seed and be dried, the lithium chloride crystal seed hot blast from bottom to top blows lower generation and seethes with excitement, granular lithium chloride is discharged from the discharging opening that fluidized bed sieve plate 14 is other and is passed through granular lithium chloride discharge nozzle 16 and enters the first receiving hopper 3, and cooling packing obtains granular lithium chloride products.
The steam of the interior generation of granulation tower 1, air, dust enter cyclone separator 6 and classification in cyclone separator 6 along with air inducing from granulation tower 1 top, lithium chloride fine powder enters the powdery lithium chloride discharge nozzle 5 bottom cyclone separator 5 under the effect of pulser 7 and enters in the second receiving hopper 17, and cooling packing obtains powdery lithium chloride products.
Superfine lithium chloride dust, air, steam with air inducing in cyclone separator 6 top enters spray scrubber 8, washings (water in washings circulating slot 9) enter in spray scrubber 8 under the effect of pump 10 and spray, lithium chloride dust is dissolved in leacheate and enters in washings circulating slot 9, when reaching finite concentration, return to the collocation remove impurity of front operation and reclaim.Air and water smoke carry out gas-liquid separation through spray scrubber 8 top, and liquid returns in washings circulating slot 9, and tail gas is evacuated to recovery tower 12 under the effect of air-introduced machine 11 and carries out spray recovery, and recovered liquid returns in washings circulating slot 9.
To sum up, the device of the granular lithium chloride of production of the present utility model utilizes the hot blast of 260～420 DEG C as thermal source, and production cost is low；Use granular lithium chloride as crystal seed, control to produce obtain the lithium chloride products of different-grain diameter by controlling aerator and the electric current of air-introduced machine, compressed air pressure, feeding coal etc.；Utilizing cyclone separator, it is achieved grading, granular lithium chloride products reaches 80%, and powdery lithium chloride reaches 20%, and powdery lithium chloride can remove substantial amounts of Potassium and calcium；The granular lithium chloride of the less investment of whole device, low cost, beneficially large-scale production.
This utility model is not limited to aforesaid detailed description of the invention.This utility model expands to any new feature disclosed in this manual or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (9)
1. the device producing granular lithium chloride, it is characterised in that described device includes fluidization granulation list
Unit, cyclonic separation unit, spray washing unit and tail gas recycle unit, wherein,
Described fluidization granulation unit include the granulation tower on top, the fluid bed at middle part and the hot bellows of bottom and
Described granulation tower, fluid bed and hot bellows interconnect, and are provided with sieve plate and described stream in described fluid bed
Change to be additionally provided with on bed and be positioned at the atomization into liquid subelement above described sieve plate and discharging subelement, described hot blast
Being provided with hot-wind inlet on the sidewall of case, described fluidization granulation unit is by being arranged on the first of granulation tower top
Air outlet is connected with cyclonic separation unit；
Described cyclonic separation unit includes cyclone separator, and described cyclone separator is by being arranged on described whirlwind
Second air outlet at separator top is connected with spray washing unit；
Described spray washing unit includes spray scrubber, washings circulating slot and pump, described spray scrubber
Being interconnected to form washings closed circuit with washings circulating slot and pump, described spray washing unit is by setting
Put the 3rd air outlet at spray washing top of tower to be connected with tail gas recycle unit；
Described tail gas recycle unit includes air-introduced machine and recovery tower, and described air-introduced machine connects described spray scrubber
And recovery tower.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described mist
Change feed liquor subelement and include feed tube and the effusion meter being arranged on described feed tube and feed spray gun.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described in go out
Material for making clothes unit includes granular lithium chloride discharge nozzle and the first receiving hopper.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described sieve
Uniformly have multiple aperture on plate and percent opening is 20～30%, a diameter of the 3 of described aperture～6mm.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described heat
The bottom of bellows is provided with substandard products receiving hopper.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described stream
Change the aerator that pelletizing unit also includes being connected with described hot-wind inlet.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described rotation
Wind separative element also includes the pulser being arranged in described cyclone separator.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described rotation
The bottom of wind separator is additionally provided with powdery lithium chloride discharge nozzle and the second receiving hopper.
The device of the granular lithium chloride of production the most according to claim 1, it is characterised in that described time
Receive tower to be also connected with described washings circulating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217094.2U CN205462118U (en) | 2016-03-21 | 2016-03-21 | Produce device of granular lithium chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217094.2U CN205462118U (en) | 2016-03-21 | 2016-03-21 | Produce device of granular lithium chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205462118U true CN205462118U (en) | 2016-08-17 |
Family
ID=56655098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620217094.2U Active CN205462118U (en) | 2016-03-21 | 2016-03-21 | Produce device of granular lithium chloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205462118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247166A (en) * | 2021-12-27 | 2022-03-29 | 江苏帕特斯环保科技有限公司 | Horizontal spray flash evaporation granulating device and process thereof |
-
2016
- 2016-03-21 CN CN201620217094.2U patent/CN205462118U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247166A (en) * | 2021-12-27 | 2022-03-29 | 江苏帕特斯环保科技有限公司 | Horizontal spray flash evaporation granulating device and process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103303888B (en) | Equipment for producing high-nutrient monoammonium phosphate through double-tubular-reactor process | |
| CN105413210B (en) | Drying device used for powdery surfactant and drying method | |
| CN110358525A (en) | A kind of method and apparatus producing small particle low-density ceramic proppant | |
| CN203639373U (en) | Methionine hydroxy analogue calcium salt production system | |
| CN205462118U (en) | Produce device of granular lithium chloride | |
| US4052794A (en) | Fluidized bed process | |
| WO2016011724A1 (en) | Paraformaldehyde production apparatus | |
| CN104492106B (en) | A kind of coking desulfurization sulfur foam and the drying means of desulfurization waste liquor | |
| CN208296545U (en) | A kind of potassium chlorate drying unit | |
| US2975142A (en) | Granular water-soluble perborate-containing salt mixture | |
| AU710413B2 (en) | Method of producing magnesium chloride granules | |
| CN108299403A (en) | A kind of TGIC production methods being granulated based on molten steel band | |
| CN201676671U (en) | Urea fluidization and dust removal device | |
| CN105399455B (en) | A kind of system and method using chemical industry tail gas production compound fertilizer | |
| CN101885630B (en) | Dual-slurry ammonization granulation compound fertilizer production technology | |
| CN206262840U (en) | A kind of compound fertilizer granules cooling screening equipment | |
| GB661599A (en) | Improvements relating to the cooling of spray dried organic detergents | |
| CN107033036B (en) | A kind of drying system and method for lauryl sodium sulfate | |
| CN103922370A (en) | Method and device for preparing granular magnesium chloride | |
| CN115055110A (en) | Granulating and drying system and method for preparing magnesium chloride dihydrate particles from magnesium chloride brine | |
| CN206927618U (en) | Double decomposition circulation process produces agriculture potassium nitrate process unit | |
| CN2607371Y (en) | Urea granule boiling cooler | |
| CN107477982B (en) | The 316 titanium fluidized bed drying cooling techniques applied to sylvite | |
| CN203999470U (en) | A kind of production technology of paraformaldehyde device | |
| CN208116137U (en) | A kind of silicon carbide production line precipitating screening system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |