CN109534371A - A kind of method and system of salt pan evaporation sinker mother liquor - Google Patents
A kind of method and system of salt pan evaporation sinker mother liquor Download PDFInfo
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- CN109534371A CN109534371A CN201811536499.2A CN201811536499A CN109534371A CN 109534371 A CN109534371 A CN 109534371A CN 201811536499 A CN201811536499 A CN 201811536499A CN 109534371 A CN109534371 A CN 109534371A
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- mother liquor
- sinker mother
- salt pan
- spray
- wind
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/08—Carbonates; Bicarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
A kind of method of salt pan evaporation sinker mother liquor, including, first step S1 extracts the sinker mother liquor of salt Tanaka, the sinker mother liquor is uniformly distributed within the scope of salt pan under discharge pressure；Second step S2, by the sinker mother liquor using to carrying out spray solarization by the way of aerial spraying；Third step S3, the wind speed within the scope of real-time detection salt pan, and the discharge pressure is adjusted according to the wind speed；Four steps S4 recycles the first step S1 to third step S3, until the lithium concentration in the sinker mother liquor reaches predetermined threshold.The present invention increases space utilization rate, improves evaporation efficiency using tedding and spraying the method shone and combined；Make to realize the process that salt pan is evaporated controllable；Allow and salt pan evaporation process is adjusted in real time according to the variation of surrounding enviroment.
Description
Technical field
This patent disclosure relates generally to be concentrated by evaporation field, more particularly, to a kind of salt pan evaporation sinker mother liquor method and
System.
Background technique
Salt pan be using brine as raw material carry out saline minerals production critical facility, the yield and quality of Solar pond production it is excellent
It is bad directly to restrict the production capacity of subsequent technique.The energy needed for the production process in salt pan is mainly derived from solar radiant energy and wind
Can, Solar pond production has very close contact with meteorologic factor.
In the industry of salt pan, there is very big demand to salt pan evaporation technology.It is produced in the extraction process of lithium carbonate
Sinker mother liquor recycling it is relatively difficult, Li in sinker mother liquor-Content mainly has in 1.5g/l or so, existing impurity:
CO3 2-(content is in 20g/l or so), SO4 2-、Cl-、K+、Na+Deng PH > 14 is a kind of brine system of multielement complexity.By
Complicated in the system of sinker mother liquor, the concentration of lithium ion is relatively low, is directly being easy using or in lithium ion enrichment process by more
The interference of kind ion, is also readily incorporated new impurity or lithium ion is precipitated, cause to waste.It is therefore possible to use salt pan is evaporated
Mode lithium ion therein is concentrated first, then sinker disposing mother liquor is utilized.
Technique is tedded in existing salt pan, is that concentration is evaporated by the way of shakeouing thin solarization in salt Tanaka.To weather
Dependence is very strong.Since each seasonal climate changes, the difference of evaporation conditions is caused, weather conditions is relied only on and is evaporated, salt pan
The efficiency tedded is by very big influence.Moreover, setting salt pan needs to occupy a large amount of land resource, how salt pan is improved
Evaporation profiles improve the productivity in unit area salt pan, are a problem to be solved.
Summary of the invention
Problem to be solved of the present invention is to solve the problems, such as that inefficient in technique, solution salt pan is tedded in current salt pan
Evaporation process not can be carried out the problem of accurate process control.
The unresolved above problem, the present invention provides a kind of methods of salt pan evaporation sinker mother liquor, including, first step
S1 extracts the sinker mother liquor of salt Tanaka, the sinker mother liquor is uniformly distributed within the scope of salt pan under discharge pressure；Second step
Rapid S2, by the sinker mother liquor using to carrying out spray solarization by the way of aerial spraying；Third step S3, within the scope of real-time detection salt pan
Wind speed, and the discharge pressure is adjusted according to the wind speed；Four steps S4 recycles the first step S1 to third step
S3, until the lithium concentration in the sinker mother liquor reaches predetermined threshold.
According to embodiment of the present invention, the first step S1 further includes determining discharge pressure, the delivery pressure
Power is determined according at least one in following parameter: salt pan area, salt pan depth, wind direction, wind speed, temperature.
According to embodiment of the present invention, lithium concentration is obtained using following methods in the four steps S4:
The evaporation capacity for detecting the sinker mother liquor calculates current according to lithium concentration and evaporation capacity in initial sinker mother liquor
Lithium concentration.
According to another aspect of the present invention, a kind of system of salt pan evaporation sinker mother liquor, including the pump housing 1 and spray are provided
Shine pipe network 2；The pump housing 1 is used to extract the sinker mother liquor in salt pan, conveys after the sinker mother liquor is forced into discharge pressure
Pipe network 2 is shone to the spray；The spray shines pipe network 2 for the sinker mother liquor to be uniformly distributed and spray within the scope of salt pan
It shines；It includes main line 21, bye-pass 22 and nozzle 23 that pipe network 2 is shone in the spray；The main line 21 is connect with the pump housing 1, institute
Bye-pass 22 is stated to connect with the main line 21；The main line 21 and the bye-pass 22 are used for the sinker mother liquor defeated
It is uniformly distributed within the scope of salt pan under pressurization pressure；The nozzle 23 is evenly distributed on the bye-pass 22, for that described will sink
Lithium mother liquor is using to carrying out spray solarization by the way of aerial spraying.
According to embodiment of the present invention, the pump housing 1 is one or more；The spray shine pipe network 2 be one group or
Multiple groups.
According to embodiment of the present invention, the pump housing 1 includes that first circulation pumps 11 and second circulation pump 12, described
First circulation pump 11 and second circulation connect same group of spray solarization pipe network 2 after pumping 12 parallel connections, and the first circulation pump 11 and second follows
The individually control of ring pump 12.
According to embodiment of the present invention, the system further includes being connected to the pump housing 1 and spray solarization pipe network 2
Between control valve 3, the control valve 3 is used to adjust the flow of the sinker mother liquor.
According to embodiment of the present invention, the system further includes the pressure being mounted on the main line 21
Meter 4 shines the pressure of sinker mother liquor in pipe network 2 for detecting the spray.
According to embodiment of the present invention, the system further includes wind-force detection device 5, the wind-force detection
Device 5 is used for wind-force, the wind direction of real-time detection salt pan position.
According to embodiment of the present invention, the system further includes control device 6, and the control device 6 is distinguished
It is connect with the control valve 3, wind-force detection device 5, for adjusting institute in real time according to the detection result of the wind-force detection device 5
State control valve 3.
Sinker mother liquor is evaporated processing using tedding and spraying the method shone and combined by the present invention, increases space benefit
With rate, evaporation efficiency is improved；It is individually controllable by increasing control valve and more pump housings, make the process realization evaporated to salt pan can
Control；By increasing the setting of wind-force detection device and pressure gauge, allow change to salt pan evaporation process according to surrounding enviroment
Change is adjusted in real time.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the system of salt pan evaporation sinker mother liquor；
Fig. 2 is pump housing schematic diagram corresponding with spray solarization pipe network；
Fig. 3 is another pump housing schematic diagram corresponding with spray solarization pipe network；
Fig. 4 is the schematic diagram of pressure gauge；
Fig. 5 is the schematic diagram of wind-force detection device；
Fig. 6 is the schematic diagram of control device；And
Fig. 7 is a kind of method and step schematic diagram of salt pan evaporation sinker mother liquor.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, and reference label refers to the group in the present invention
Part, technology, realizing under appropriate circumstances so as to advantages and features of the invention can be easier to be understood.Following description is pair
The materialization of the claims in the present invention, and other specific implementations not clearly stated relevant to claim also belong to power
The range that benefit requires.
Fig. 1 shows a kind of schematic diagram of the system of salt pan evaporation sinker mother liquor.
As shown in Figure 1, pipe network 2 is shone in a kind of system of salt pan evaporation sinker mother liquor, including the pump housing 1 and spray；The pump housing 1 is used
In extracting the sinker mother liquor in salt pan, the sinker mother liquor is forced into after discharge pressure and is delivered to the spray solarization pipe network 2；It is described
Spray shines pipe network 2 for being uniformly distributed the sinker mother liquor within the scope of salt pan and carrying out spray solarization；It includes master that pipe network 2 is shone in the spray
Pipeline 21, bye-pass 22 and nozzle 23；The main line 21 is connect with the pump housing 1, the bye-pass 22 and the main line
21 connections；The main line 21 and the bye-pass 22 are used for the sinker mother liquor is equal within the scope of salt pan under discharge pressure
Even distribution；The nozzle 23 is evenly distributed on the bye-pass 22, for using the sinker mother liquor to aerial spraying
Mode carries out spray solarization.
The pump housing 1 is delivered to the main line 21 after the sinker mother liquor in salt pan is extracted pressurization, by the supervisor
The conveying on road 21 is evenly distributed to each bye-pass 22, then fully absorbs solar energy and wind to aerial spraying by the nozzle 23
Can, aerial sinker mother liquor is sprayed to because self weight is fallen back in salt pan again, on salt pan surface to the intake stream of the pump housing 1
It is dynamic.Therefore, it is in state of tedding in the sinker mother liquor that salt pan surface is slowly flowed, and enters spray and shines what pipe network 2 shone to aerial spray
Part sinker mother liquor is in spray solarization state, increases the contact area of sinker mother liquor and air, and the sinker mother liquor shone by spray is because certainly
It returns when dropping down onto salt pan, forms turbulent flow on the sinker mother liquor surface layer on salt pan surface, further increase and air contact area.
The factors such as temperature, wind-force under the same conditions, relative to technique is tedded, greatly strengthen the effect of evaporation.
Existing or invention in the future any pump can be used in the pump housing 1, but is preferably provided with the delivery pump of anticorrosive function.
The main line 21, bye-pass 22 and nozzle 23, the size in aperture shine the type of object according to the scale in salt pan, spray
It is selected.It is preferred that it is detachable between the main line 21, bye-pass 22 and nozzle 23, it is convenient that each equipment is safeguarded.
For the first time carry out sinker mother liquor with shine when, according to salt pan cotton knot, depth, the temperature in salt pan region, wind speed etc. because
Element, it is first determined initial discharge pressure, to choose suitable 1 specification of the pump housing and output power.Output work can also be used
The adjustable pump housing 1 of rate incrementally increases output power since minimum power, until reaching suitable discharge pressure as initial
Discharge pressure.Then start with solarization operation, meanwhile, the wind speed within the scope of real-time detection salt pan, and adjusted according to the wind speed
The discharge pressure, the i.e. height of adjusting sinker mother liquor sprinkling.
Fig. 2 shows pump housing schematic diagrames corresponding with spray solarization pipe network.
As shown in Fig. 2, the pump housing 1 is one or more；It is one or more groups of that pipe network 2 is shone in the spray.
The pump housing 1 can be multiple, and pipe network 2 is shone in the corresponding one group of spray of each pump housing 1, can arrange in the way of in Fig. 2
Column, can also make various alternative combinations according to the factors difference such as the shape in salt pan.The quantity of the applied pump housing 1 can be with
It is adjusted according to factors such as the model of the pump of specific choice and power.
Fig. 3 shows another pump housing schematic diagram corresponding with spray solarization pipe network.
As shown in figure 3, the pump housing 1 includes first circulation pump 11 and second circulation pump 12, the first circulation pumps 11 Hes
Second circulation connects same group of spray solarization pipe network 2, the first circulation pump 11 and the individually control of second circulation pump 12 after pumping 12 parallel connections
System.
According to embodiment of the present invention, the system further includes being connected to the pump housing 1 and spray solarization pipe network 2
Between control valve 3, the control valve 3 is used to adjust the flow of the sinker mother liquor.
A control is respectively set close to one end of main line 21 in the first circulation pump 11 and second circulation pump 12
On the one hand valve 3 can prevent sinker mother liquor reflux, on the one hand adjustable flow.
When the wind-force in salt pan region is smaller, the first circulation pump 11 and second circulation pump can be opened simultaneously
12, height is shone into the spray of the sinker mother liquor and is increased, the further contact area for increasing sinker mother liquor and air obtains good
Evaporation effect.When salt pan region, wind-force becomes larger, in order to avoid being sprayed to aerial sinker mother liquor by wind from Yantian District
Domain will take the measure for reducing spray and shining height, first circulation pump 11 or second circulation pump 12 can be closed at this time, only with one
The pump housing 1 carries out pressurized delivered to sinker mother liquor.
Meanwhile the pressure for the sinker mother liquor that spray is shone in pipe network 2 can only be adjusted by control valve 3 according to the size of wind-force
Power, so as to adjust sinker mother liquor spraying altitude.The quantity and control valve 3 of the unlatching of the pump housing 1 can also be adjusted simultaneously.
Fig. 4 shows the schematic diagram of pressure gauge.
As shown in figure 4, the system, further includes the pressure gauge 4 being mounted on the main line 21, it is described for detecting
The pressure of sinker mother liquor in pipe network 2 is shone in spray.
Pressure of the pressure gauge 4 for the sinker mother liquor in main line 21 described in real-time detection, the pressure and sinker
The height that mother liquor is sprayed be it is relevant, can according to the pressure, adjusting control valve 3 and or open the quantity of the pump housing 1 and come
Adjust spraying altitude.
Fig. 5 shows the schematic diagram of wind-force detection device.
As shown in figure 5, the system, further includes wind-force detection device 5, the wind-force detection device 5 for visiting in real time
Survey wind-force, the wind direction of salt pan position.
The wind-force detection device 5 only can be arranged one as shown in Figure 5, can also be arranged in the range of salt pan more
It is a, it can also be configured using different combinations, the wind-force detection device 5 can be using existing and invention in the future
Various wind-force detecting devices, the present invention not limit, as long as its function meets measurement salt pan region wind-force, providing influences salt pan spray
The parameter of the various wind shone.
The wind-force detection device 5 can also complete annual to fixed geographical location or certain period wind conditions
Statistics, the reference as Solar pond production arrangement.
Fig. 6 shows the schematic diagram of control device.
As shown in fig. 6, the system, further includes control device 6, the control device 6 respectively with the control valve 3,
Wind-force detection device 5 connects, for adjusting the control valve 3 in real time according to the detection result of the wind-force detection device 5.
The control device 6 can use PLC device, by obtaining the wind conditions in salt pan region in real time, to the control
Valve 3 processed is adjusted, so that the spraying altitude of the sinker mother liquor is adjusted, while solar energy and wind energy can be made full use of,
Sinker mother liquor is avoided to be blown off salt pan region.
For example, can be adjusted sinker mother liquor spraying altitude to maximum value by adjusting the control valve 3 when calm,
When wind-force change is strong, by the analysis to wind-force, obtains its influence to sinker mother liquor from the track declined in the air, gradually adjust
Reduce the spraying altitude of sinker mother liquor.Pressure gauge 4 can also be connect with the control device 6, on the one hand be filled for the control
Setting 6 pressure for obtaining spray solarization pipe network 2 in real time can be judged on the other hand when control valve 3 breaks down.
Fig. 7 shows a kind of method and step schematic diagram of salt pan evaporation sinker mother liquor.
As shown in fig. 7, a kind of method of salt pan evaporation sinker mother liquor, including, first step S1 extracts the sinker of salt Tanaka
The sinker mother liquor is uniformly distributed within the scope of salt pan by mother liquor under discharge pressure；Second step S2, by the sinker mother liquor
Using to carrying out spray solarization by the way of aerial spraying；Third step S3, the wind speed within the scope of real-time detection salt pan, and according to the wind
Discharge pressure described in velocity modulation section；Four steps S4 recycles the first step S1 to third step S3, until the sinker mother liquor
In lithium concentration reach predetermined threshold.
The predetermined threshold refers to that in the evaporation technology of salt pan, predetermined every piece of salt pan intermediate ion concentration needs reach
Value range.For example, lithium concentration is the initial sinker mother liquor of 1.5g/L, evaporation needs to reach lithium ion in certain block salt pan
Concentration 2-4g/L, the predetermined threshold are 2-4g/L.
According to embodiment of the present invention, the first step S1 further includes determining discharge pressure, the delivery pressure
Power is determined according at least one in following parameter: salt pan area, salt pan depth, wind direction, wind speed, temperature.
According to embodiment of the present invention, lithium concentration is obtained using following methods in the four steps S4:
The evaporation capacity for detecting the sinker mother liquor calculates current according to lithium concentration and evaporation capacity in initial sinker mother liquor
Lithium concentration.
Sinker mother liquor is evaporated processing using tedding and spraying the method shone and combined by the present invention, increases space benefit
With rate, evaporation efficiency is improved；It is individually controllable by increasing control valve and more pump housings, make the process realization evaporated to salt pan can
Control；By increasing the setting of wind-force detection device and pressure gauge, allow change to salt pan evaporation process according to surrounding enviroment
Change is adjusted in real time.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and this
Field technical staff can be designed alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between parentheses should not be configured to limitations on claims.
Claims (10)
1. a kind of method of salt pan evaporation sinker mother liquor, including,
First step (S1) extracts the sinker mother liquor of salt Tanaka, by the sinker mother liquor under discharge pressure within the scope of salt pan
It is uniformly distributed；
Second step (S2), by the sinker mother liquor using to carrying out spray solarization by the way of aerial spraying；
Third step (S3), the wind speed within the scope of real-time detection salt pan, and the discharge pressure is adjusted according to the wind speed；
Four steps (S4), recycles the first step (S1) to third step (S3), until the lithium in the sinker mother liquor from
Sub- concentration reaches predetermined threshold.
2. according to the method described in claim 1, the first step (S1) further includes determining discharge pressure, the delivery pressure
Power is determined according at least one in following parameter: salt pan area, salt pan depth, wind direction, wind speed, temperature.
3. according to the method described in claim 1, lithium concentration is obtained using following methods in the four steps (S4): inspection
The evaporation capacity for surveying the sinker mother liquor calculates current lithium according to lithium concentration and evaporation capacity in initial sinker mother liquor
Ion concentration.
4. pipe network (2) are shone in a kind of system of salt pan evaporation sinker mother liquor, including the pump housing (1) and spray；
The pump housing (1) is used to extract the sinker mother liquor in salt pan, is delivered to after the sinker mother liquor is forced into discharge pressure
Pipe network (2) are shone in the spray；
The spray shines pipe network (2) for being uniformly distributed the sinker mother liquor within the scope of salt pan and carrying out spray solarization；
It includes main line (21), bye-pass (22) and nozzle (23) that pipe network (2) are shone in the spray；
The main line (21) connect with the pump housing (1), and the bye-pass (22) connect with the main line (21)；
The main line (21) and the bye-pass (22) are used for the sinker mother liquor under discharge pressure within the scope of salt pan
It is uniformly distributed；
The nozzle (23) is evenly distributed on the bye-pass (22), for using the sinker mother liquor to aerial spraying
Mode carries out spray solarization.
5. system according to claim 4, the pump housing (1) is one or more；The spray shine pipe network (2) be one group or
Multiple groups.
6. system according to claim 4, the pump housing (1) includes that first circulation pump (11) and second circulation pump (12),
Same group of spray, which is connected, after the first circulation pump (11) and second circulation pump (12) are in parallel shines pipe network (2), the first circulation pump
(11) it is individually controlled with second circulation pump (12).
7. system according to claim 4 further includes the control being connected between the pump housing (1) and spray solarization pipe network (2)
Valve (3), the control valve (3) are used to adjust the flow of the sinker mother liquor.
8. system according to claim 7 further includes the pressure gauge (4) being mounted on the main line (21), for examining
Survey the pressure that sinker mother liquor in pipe network (2) is shone in the spray.
9. system according to claim 7 further includes wind-force detection device (5), the wind-force detection device (5) is for real
When detect salt pan position wind-force, wind direction.
10. system according to claim 9 further includes control device (6), the control device (6) respectively with the control
Valve (3) processed, wind-force detection device (5) connection, described in being adjusted in real time according to the detection result of the wind-force detection device (5)
Control valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536499.2A CN109534371A (en) | 2018-12-14 | 2018-12-14 | A kind of method and system of salt pan evaporation sinker mother liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536499.2A CN109534371A (en) | 2018-12-14 | 2018-12-14 | A kind of method and system of salt pan evaporation sinker mother liquor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109534371A true CN109534371A (en) | 2019-03-29 |
Family
ID=65856326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536499.2A Pending CN109534371A (en) | 2018-12-14 | 2018-12-14 | A kind of method and system of salt pan evaporation sinker mother liquor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116239173A (en) * | 2023-01-17 | 2023-06-09 | 北京中矿科技集团有限公司 | Evaporation crystallization system and method for industrial wastewater difficult to degrade |
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|---|---|---|---|---|
| CN1077935A (en) * | 1992-04-19 | 1993-11-03 | 吴以恒 | The reinforcement method of evaporating that seawater is evaporated brine |
| CN1440929A (en) * | 2002-02-27 | 2003-09-10 | 林雄 | Spraying salt-sunning method |
| CN201321384Y (en) * | 2008-12-30 | 2009-10-07 | 薛黎明 | Spray device used for salt extraction in brine pan |
| US20140102645A1 (en) * | 2007-09-07 | 2014-04-17 | Mansur Abahusayn | Nonmetallic spray system |
| CN103880045A (en) * | 2012-12-20 | 2014-06-25 | 索尔维公司 | Method For Increasing Evaporation Rate Of An Evaporative Pond |
-
2018
- 2018-12-14 CN CN201811536499.2A patent/CN109534371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077935A (en) * | 1992-04-19 | 1993-11-03 | 吴以恒 | The reinforcement method of evaporating that seawater is evaporated brine |
| CN1440929A (en) * | 2002-02-27 | 2003-09-10 | 林雄 | Spraying salt-sunning method |
| US20140102645A1 (en) * | 2007-09-07 | 2014-04-17 | Mansur Abahusayn | Nonmetallic spray system |
| CN201321384Y (en) * | 2008-12-30 | 2009-10-07 | 薛黎明 | Spray device used for salt extraction in brine pan |
| CN103880045A (en) * | 2012-12-20 | 2014-06-25 | 索尔维公司 | Method For Increasing Evaporation Rate Of An Evaporative Pond |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116239173A (en) * | 2023-01-17 | 2023-06-09 | 北京中矿科技集团有限公司 | Evaporation crystallization system and method for industrial wastewater difficult to degrade |
| CN116239173B (en) * | 2023-01-17 | 2023-10-03 | 北京中矿科技集团有限公司 | Evaporation crystallization system and method for industrial wastewater difficult to degrade |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191127 Address after: 816000 No. 28, the Yellow River Road, Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province Applicant after: Qinghai Salt Lake Industry Co., Ltd. Applicant after: QINGHAI SALT LAKE FOZHAO LANKE LITHIUM INDUSTRY CO., LTD. Address before: 816000 No. 28, the Yellow River Road, Golmud, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai Province Applicant before: Qinghai Salt Lake Industry Co., Ltd. |
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Application publication date: 20190329 |
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