CN209645867U - It is a kind of for the device of lithium chloride solution to be concentrated - Google Patents
It is a kind of for the device of lithium chloride solution to be concentrated Download PDFInfo
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- CN209645867U CN209645867U CN201822223251.2U CN201822223251U CN209645867U CN 209645867 U CN209645867 U CN 209645867U CN 201822223251 U CN201822223251 U CN 201822223251U CN 209645867 U CN209645867 U CN 209645867U
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- steam
- chloride solution
- heat exchanger
- lithium chloride
- tower body
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Abstract
It is a kind of for being concentrated the device of lithium chloride solution, including tower body 1, reboiler 2, heat exchanger 3 and convection tube 4, the tower body 1 includes feed inlet 11, discharge port 12, tower reactor 13 and steam (vapor) outlet 14；Described 2 one end of reboiler is connect with the discharge port 12, and the other end is connect with the convection tube 4, for heating lithium chloride solution using steam；The heat exchanger 3 is connect with the steam (vapor) outlet 14, is used for condensed steam, is discharged after forming condensed water, and negative pressure is formed；Described 4 one end of convection tube is connect with the reboiler 2, and the other end is located at 13 center of tower reactor of the tower body 1, forms convection current for lithium chloride solution to be delivered to 13 position of tower reactor of the tower body 1, and in the tower reactor 13.The utility model guarantees to be concentrated by evaporation even running；The waste heat of steam is utilized, and reduces the energy consumption of the reboiler and heat exchanger；Reduce the dependence to additional energy source, guarantees the safe operation of equipment.
Description
Technical field
The utility model relates in general to chemical field, more particularly, to a kind of for the device of lithium chloride solution to be concentrated.
Background technique
It in the industry for producing lithiumation object using salt lake bittern, needs that lithium concentrated water is concentrated, what is generallyd use is to steam
The technique for sending out concentration.In existing evaporating and concentrating process, the circulation that circulating pump maintains material is relied primarily on, very to the dependence of the energy
Greatly, moreover, can reduce the efficiency of evaporation when the power of the settings such as the power of heating and circulating pump mismatches, make evaporation process
Extend or keeps the pressure in container for evaporation excessive.Further, the steam generated in evaporating concentration process is usually directly arranged
Sky utilizes available material in 3 recovered steam of heat exchanger.If directly emptying the loss that will lead to partial heat, if
Being recycled using heat exchanger 3 will increase dependence of 3 position of heat exchanger to outside resources again, and production cost is caused to increase.On the other hand,
Evaporator is usually matched with vacuum pump, using the steam that generates in vacuum pump extraction container for evaporation, the setting of vacuum pump and
Control can all increase the complexity of system.
The dependence to outside resources how is reduced, is urgently to be resolved ask rationally using the product and heat in this system
Topic.
Utility model content
The utility model problem to be solved is that the Matter Transfer solved in existing vaporising device relies on circulating pump, is led
The problem of induced evaporation thickening efficiency is affected；Solve the problems, such as the heat utilization in the steam generated in existing vaporising device；Solution
Certainly the problem of vacuum pump replacement device.
The utility model provides a kind of for the device of lithium chloride solution, including tower body 1, reboiler 2, heat exchanger to be concentrated
3 and convection tube 4, the tower body 1 includes feed inlet 11, discharge port 12, tower reactor 13 and steam (vapor) outlet 14；The reboiler 2 one
End is connect with the discharge port 12, and the other end is connect with the convection tube 4, for heating lithium chloride solution using steam；It is described
Heat exchanger 3 is connect with the steam (vapor) outlet 14, is used for condensed steam, is discharged after forming condensed water, and negative pressure is formed；The convection tube
4 one end are connect with the reboiler 2, and the other end is located at 13 center of tower reactor of the tower body 1, for conveying lithium chloride solution
Extremely 13 position of tower reactor of the tower body 1, and convection current is formed in the tower reactor 13.
An embodiment according to the present utility model, the reboiler 2 include the first tube side and the first shell side, and described the
One tube side is used to accommodate the heat medium of flowing；First shell side is used to accommodate the lithium chloride solution of flowing.
An embodiment according to the present utility model, the heat exchanger 3 include the second tube side and the second shell side, and described the
Two tube sides are used to accommodate the cooling medium of flowing；Second shell side is used to accommodate the steam into the heat exchanger 3 and discharge
The condensed water of the heat exchanger 3.
An embodiment according to the present utility model, the heat exchanger 3 further include relief valve 31, and the relief valve 31 connects
It connects on second shell side, for the unlatching when pressure reaches setting value, second shell side is communicated with the atmosphere and is let out
Pressure.
An embodiment according to the present utility model, further includes pressure controller, the pressure controller respectively with institute
It states pressure gauge 16 and the relief valve 31 connects, for controlling the relief valve 31 according to the reading result of the pressure gauge 16
Switch.
An embodiment according to the present utility model, the device further include for preheating the pre- of lithium chloride solution
Hot device 5, the preheater 5 include third shell side and third tube side, and the third shell side is connected to the steam (vapor) outlet of the tower body 1
Between 14 and the second shell side of the heat exchanger 3；The third tube side is connected to the discharge port 12 of the tower body 1 and described boils again
Between first shell side of device 2.
An embodiment according to the present utility model, the device further include liquidometer 15, and the liquidometer 15 is used
In the liquid level for detecting the lithium chloride solution.
An embodiment according to the present utility model, the device further include pressure gauge 16, and the pressure gauge 16 is pacified
On the tower body 1, for detecting the pressure inside the tower body 1.
An embodiment according to the present utility model, the device further include check-valves 41, and the check-valves 41 is pacified
On the convection tube 4.
The utility model makes material form circulation raising temperature and reaches evaporation even running by thermal convection effect
Purpose；By the preheater, so that the waste heat of steam is utilized, reduce the energy consumption of the reboiler and heat exchanger；
Negative pressure is formed at heat exchanger and generates the effect vacuumized to tower body, is no longer used vacuum pump, is reduced the dependence to additional energy source；
Vapour-liquid reaches balance in entire tower body, ensure that the evaporation and concentrating of material；The relief valve guarantees the safe operation of equipment.
Detailed description of the invention
Fig. 1 is a kind of for the schematic diagram of the device of lithium chloride solution to be concentrated；
Fig. 2 is the schematic device of the concentration lithium chloride solution comprising relief valve；
Fig. 3 is the schematic device of the concentration lithium chloride solution comprising preheater；And
Fig. 4 is the schematic device of the concentration lithium chloride solution comprising liquidometer, pressure gauge and check-valves.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, reference label refers to that this is practical new
Component, technology in type, so as to the advantages of the utility model and feature is realized under appropriate circumstances can be easier to be understood.Under
The description in face is the materialization to the utility model claims, and relevant to claim other is not clearly stated
Specific implementation also belongs to the scope of the claims.
Fig. 1 shows a kind of for the schematic diagram of the device of lithium chloride solution to be concentrated.
As shown in Figure 1, a kind of for being concentrated the device of lithium chloride solution, including tower body 1, reboiler 2, heat exchanger 3 and
Convection tube 4, the tower body 1 include feed inlet 11, discharge port 12, tower reactor 13 and steam (vapor) outlet 14；Described 2 one end of reboiler and institute
The connection of discharge port 12 is stated, the other end is connect with the convection tube 4, for heating lithium chloride solution using steam；The heat exchanger 3
It is connect with the steam (vapor) outlet 14, is used for condensed steam, be discharged after forming condensed water, form negative pressure；Described 4 one end of convection tube
It is connect with the reboiler 2, the other end is located at 13 center of tower reactor of the tower body 1, for lithium chloride solution to be delivered to institute
13 position of tower reactor of tower body 1 is stated, and forms convection current in the tower reactor 13.
It include the evaporation region for accommodating 13 top of tower reactor 13 and the tower reactor of lithium chloride solution inside the tower body 1.
The tower body 1 is preferably the internal structure of rectifier, and evaporation region can be staggered column plate, convenient for small in recovered steam
The lithium chloride that drop carries.
When the sodium chloride solution is simultaneously filled with the reboiler because self weight flows into the tower reactor 13 into the tower body 1
2 the first shell side.
The reboiler 2 is connect with the discharge port 12 of the tower body 1, and the reboiler 2 is by heat medium in the shell
Flowing is in journey to heat the lithium chloride solution, so that the lithium chloride solution be made to enter the convection current from the reboiler 2
Pipe 4.The convection tube 4 installs check valve additional, prevents the solution in the tower reactor 13 from flowing back.Lithium chloride solution passes through the convection current
Pipe 4, is transported to the center of the tower reactor 13, and outlet of the convection tube 4 in tower reactor 13 is preferably placed at level
2/3 at, form lithium chloride solution in tower reactor 13 centered on the outlet of convection tube 4, be bottom with the discharge port 12 of tower body 1
The convection circulation at end, to make material by sufficiently uniform heating evaporation concentration.
The steam generated is concentrated by evaporation by the evaporation region in the tower body 1, institute is entered by the steam (vapor) outlet 14
Heat exchanger 3 is stated, steam is condensed by the heat exchanger 3, when a large amount of steam are cooled inside the heat exchanger 3, In
Negative pressure is formd at heat exchanger 3, the effect vacuumized is played to the steam inside tower body 1.To make vapour-liquid in tower body 1 reach flat
The state of weighing apparatus ensure that the evaporation and concentrating process even running of lithium chloride solution.
After completing to be concentrated by evaporation, the control valve for being located at 12 position of discharge port is opened, concentrate can be discharged.
An embodiment according to the present utility model, the reboiler 2 include the first tube side and the first shell side, and described the
One tube side is used to accommodate the heat medium of flowing；First shell side is used to accommodate the lithium chloride solution of flowing.
The reboiler 2 can use shell and tube, can also use other alternative forms.
An embodiment according to the present utility model, the heat exchanger 3 include the second tube side and the second shell side, and described the
Two tube sides are used to accommodate the cooling medium of flowing；Second shell side is used to accommodate the steam into the heat exchanger 3 and discharge
The condensed water of the heat exchanger 3.
Fig. 2 shows the schematic devices of the concentration lithium chloride solution comprising relief valve.
As shown in Fig. 2, the heat exchanger 3 further includes relief valve 31, the relief valve 31 is connected on second shell side,
For the unlatching when pressure reaches setting value, make second shell side that carry out pressure release be communicated with the atmosphere.
When the cooling medium system failure of the heat exchanger 3, or since other factors cause to stop, make the tower body 1
Pressure sharply increase, when reaching certain predetermined value, the top of the heat exchanger 3 the relief valve 31 open, steam
It can be directly discharged in air by the pressure release passage that relief valve 31 controls, guarantee the safe pressure of equipment.
Fig. 3 shows the schematic device of the concentration lithium chloride solution comprising preheater.
As shown in figure 3, the device further includes the preheater 5 for preheating lithium chloride solution, the preheater 5 includes
Third shell side and third tube side, the third shell side be connected to the tower body 1 steam (vapor) outlet 14 and the heat exchanger 3 second
Between shell side；The third tube side is connected between the discharge port 12 of the tower body 1 and the first shell side of the reboiler 2.
It is concentrated by evaporation the steam generated and is expelled to the preheater 5 from the steam (vapor) outlet 14 of the tower body 1, into described pre-
The third shell side of hot device 5, and lithium chloride solution enters the third tube side of the preheater 5 from the discharge port 12, by described
On the one hand heat exchange between third tube side and the third shell side reduces the temperature of steam, reduce at subsequent heat exchanger 3
On the other hand energy consumption improves the temperature of lithium chloride solution, reduce the energy consumption in the reboiler 2.
Fig. 4 shows the schematic device of the concentration lithium chloride solution comprising liquidometer, pressure gauge and check-valves.
As shown in figure 4, the device further includes liquidometer 15, the liquidometer 15 is for detecting the lithium chloride solution
Liquid level.
The liquidometer 15 is mounted on the tower body 1, dense evaporating for detecting the variation of liquid level in the tower body 1
In compression process, the liquid level inside the tower body 1 is accurately controlled, is another key factor for improving the effect being concentrated by evaporation.In addition,
When judgement evaporation terminates, can tentatively be judged by the reading of the liquidometer 15.
An embodiment according to the present utility model, the device further include pressure gauge 16, and the pressure gauge 16 is pacified
On the tower body 1, for detecting the pressure inside the tower body 1.
An embodiment according to the present utility model, the device further includes pressure controller, the pressure control
Device is connect with the pressure gauge 16 and the relief valve 31 respectively, for according to the control of the reading result of the pressure gauge 16
The switch of relief valve 31.
An embodiment according to the present utility model, the device further include check-valves 41, and the check-valves 41 is pacified
On the convection tube 4.
The utility model makes material form circulation raising temperature and reaches evaporation even running by thermal convection effect
Purpose；By the preheater, so that the waste heat of steam is utilized, reduce the energy consumption of the reboiler and heat exchanger；
Negative pressure is formed at heat exchanger and generates the effect vacuumized to tower body, is no longer used vacuum pump, is reduced the dependence to additional energy source；
Vapour-liquid reaches balance in entire tower body, ensure that the evaporation and concentrating of material；The relief valve guarantees the safe operation of equipment.
The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model
System, and those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.In
In claim, any reference symbol between parentheses should not be configured to limitations on claims.
Claims (9)
1. a kind of for the device of lithium chloride solution to be concentrated, which is characterized in that including tower body (1), reboiler (2), heat exchanger (3)
And convection tube (4),
The tower body (1) includes feed inlet (11), discharge port (12), tower reactor (13) and steam (vapor) outlet (14)；
Described reboiler (2) one end is connect with the discharge port (12), and the other end is connect with the convection tube (4), for utilizing
Steam heats lithium chloride solution；
The heat exchanger (3) connect with the steam (vapor) outlet (14), is used for condensed steam, is discharged after forming condensed water, is formed negative
Pressure；
Described convection tube (4) one end is connect with the reboiler (2), and the other end is located at tower reactor (13) center of the tower body (1)
Place for lithium chloride solution to be delivered to the tower reactor (13) position, and forms convection current in the tower reactor (13).
2. the apparatus according to claim 1, which is characterized in that the reboiler (2) includes the first tube side and the first shell side,
First tube side is used to accommodate the heat medium of flowing；
First shell side is used to accommodate the lithium chloride solution of flowing.
3. the apparatus according to claim 1, which is characterized in that the heat exchanger (3) includes the second tube side and the second shell side,
Second tube side is used to accommodate the cooling medium of flowing；
Second shell side is used to accommodate the steam into the heat exchanger (3) and the condensed water of the discharge heat exchanger (3).
4. device according to claim 3, which is characterized in that the heat exchanger (3) further includes relief valve (31), described to let out
Pressure valve (31) is connected on second shell side, for the unlatching when pressure reaches setting value, makes second shell side and atmosphere
Connection carries out pressure release.
5. device according to claim 4, which is characterized in that it further include pressure gauge (16), pressure gauge (16) installation
On the tower body (1), for detecting the internal pressure of the tower body (1).
6. device according to claim 5, which is characterized in that it further include pressure controller, the pressure controller difference
It is connect with the pressure gauge (16) and the relief valve (31), for according to the control of the reading result of the pressure gauge (16)
The switch of relief valve (31).
7. the apparatus according to claim 1, which is characterized in that further include, for preheating the preheater of lithium chloride solution
(5), the preheater (5) includes third shell side and third tube side,
The third shell side is connected between the steam (vapor) outlet (14) of the tower body (1) and the second shell side of the heat exchanger (3)；
The third tube side is connected between the discharge port (12) of the tower body (1) and the first shell side of the reboiler (2).
8. the apparatus according to claim 1, which is characterized in that further include liquidometer (15), the liquidometer (15) is used for
Detect the liquid level of the lithium chloride solution.
9. the apparatus according to claim 1, which is characterized in that it further include check-valves (41), check-valves (41) installation
On the convection tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223251.2U CN209645867U (en) | 2018-12-28 | 2018-12-28 | It is a kind of for the device of lithium chloride solution to be concentrated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822223251.2U CN209645867U (en) | 2018-12-28 | 2018-12-28 | It is a kind of for the device of lithium chloride solution to be concentrated |
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| Publication Number | Publication Date |
|---|---|
| CN209645867U true CN209645867U (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822223251.2U Active CN209645867U (en) | 2018-12-28 | 2018-12-28 | It is a kind of for the device of lithium chloride solution to be concentrated |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268704A (en) * | 2020-02-13 | 2020-06-12 | 青海盐湖工业股份有限公司 | Method and device for treating lithium precipitation mother liquor |
-
2018
- 2018-12-28 CN CN201822223251.2U patent/CN209645867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111268704A (en) * | 2020-02-13 | 2020-06-12 | 青海盐湖工业股份有限公司 | Method and device for treating lithium precipitation mother liquor |
| CN111268704B (en) * | 2020-02-13 | 2022-11-11 | 青海盐湖工业股份有限公司 | Method and device for treating lithium precipitation mother liquor |
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