CN217248246U - Device for continuously preparing soda solution - Google Patents
Device for continuously preparing soda solution Download PDFInfo
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- CN217248246U CN217248246U CN202123417194.XU CN202123417194U CN217248246U CN 217248246 U CN217248246 U CN 217248246U CN 202123417194 U CN202123417194 U CN 202123417194U CN 217248246 U CN217248246 U CN 217248246U
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- soda
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- soda solution
- continuous alkali
- preparation tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model provides a device for continuously preparing soda solution. The device for continuously preparing the soda solution comprises a first continuous soda preparation tank, a soda solution delivery pump, a second continuous soda preparation tank and a filter press pump, wherein the first continuous soda preparation tank is connected with the second continuous soda preparation tank through the soda solution delivery pump, densimeters are arranged below the side parts of the first continuous soda preparation tank and the second continuous soda preparation tank, and a stirrer and a heating coil arranged on the stirrer are arranged in inner cavities of the first continuous soda preparation tank and the second continuous soda preparation tank. The utility model provides a device of soda solution is prepared in succession can prepare soda solution process continuous operation, improves single equipment utilization efficiency, joins in marriage the alkali groove in succession through interlock and two-stage, and soda concentration control is stable, in addition, can also improve the filter-pressing system utilization ratio.
Description
Technical Field
The utility model relates to a device for continuously preparing soda solution.
Background
In the production process of lithium carbonate, sodium carbonate is an important auxiliary material for producing lithium carbonate. At present, the lithium carbonate is industrially produced mainly by the lithium precipitation reaction of a solution prepared by lithium sulfate or lithium chloride and soda ash solid. In the process of lithium precipitation reaction, the charging amount of the soda solution and the lithium sulfate or lithium chloride solution follows a certain proportion, and if the concentration of the soda solution exceeds the process control range, the waste is caused, and the quality of a lithium carbonate product is also influenced.
In the process of preparing the soda solution, intermittent operation is mostly adopted, namely, a certain amount of water is firstly added into a soda preparation tank, then a certain amount of soda solid is added, stirring is carried out, the temperature is raised to a certain temperature, and then filter pressing is carried out. And (3) after the soda ash is finished, feeding samples to test the concentration, if the test result is qualified, releasing, if the test result is not qualified, adding water or supplementing the soda ash to adjust, and after the adjustment is finished, feeding samples again to test until the test is qualified. The method has the advantages of long time consumption, low yield of the prepared soda ash and unstable concentration of the prepared soda ash, and a new soda ash preparation process is urgently needed.
In the process of preparing the soda solution, intermittent operation is mostly adopted, namely, a certain amount of water is firstly added into a soda preparation tank, then a certain amount of soda solid is added, stirring is carried out, the temperature is raised to a certain temperature, and then filter pressing is carried out. Although the process is simple, the utilization rate of equipment is low, the yield is low, the concentration fluctuation of the prepared soda solution greatly influences the product quality, the unit consumption of soda is increased, and the utilization rate of a filter pressing system is low.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a device of continuous preparation soda solution.
The utility model discloses a prepare device of soda solution in succession, join in marriage soda groove, soda solution delivery pump, second in succession including first continuation and join in marriage soda groove and filter-pressing pump, first continuation join in marriage the soda groove and pass through soda solution delivery pump with the second joins in succession joins in marriage the soda groove and connect, first continuation join in marriage the soda groove with the second is equipped with the densimeter in succession in the lateral part below of soda groove, first continuation join in marriage the soda groove with all be equipped with the agitator in the inner chamber of second continuous joining in marriage the soda groove and locate heating coil on the agitator, first continuation join in marriage the soda groove with all be equipped with pneumatic control valve and flowmeter on the pipeline at the top of second continuous joining in marriage the soda groove, the filter-pressing pump with the second is joined in succession joins in marriage the soda groove and is connected, the filter-pressing pump is located the second is continuous to join in marriage the soda groove and is kept away from one side of soda solution delivery pump.
Further, the flow meter and the pneumatic regulating valve are interlocked with the densitometer in the continuous alkali-blending tank.
The utility model discloses a device of continuous preparation soda solution can prepare soda solution process continuous operation, improves single equipment utilization efficiency, joins in marriage the alkali groove in succession through interlock and two-stage, and soda concentration control is stable, in addition, can also improve the filter-pressing utilization of system rate.
Drawings
Fig. 1 is a process flow diagram of the device for continuously preparing soda solution of the utility model.
Description of reference numerals:
the device comprises a first continuous alkali preparation tank 1, a flowmeter 2, a pneumatic regulating valve 3, a densimeter 4, a stirrer 5, a heating coil 6, a soda solution delivery pump 7, a second continuous alkali preparation tank 8 and a filter pressing pump 9.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, the present invention provides a device for continuously preparing soda solution, which comprises a first continuous soda solution preparing tank 1, a soda solution delivering pump 7, a second continuous soda solution preparing tank 8 and a pressure filtration pump 9, the first continuous alkali-blending tank is connected with the second continuous alkali-blending tank through the sodium carbonate solution delivery pump, densimeters 4 are respectively arranged below the side parts of the first continuous alkali-preparing groove and the second continuous alkali-preparing groove, the inner cavities of the first continuous alkali-blending tank and the second continuous alkali-blending tank are both provided with a stirrer 5 and a heating coil 6 arranged on the stirrer, the conveying pipelines at the top parts of the first continuous alkali distribution tank and the second continuous alkali distribution tank are both provided with a pneumatic regulating valve 3 and a flow meter 2, the filter-pressing pump is connected with the second continuous alkali distribution tank, and the filter-pressing pump is arranged on one side, far away from the soda solution conveying pump, of the second continuous alkali distribution tank.
In one embodiment, the flow meter and the pneumatic regulating valve are interlocked with the densitometer in the continuous base dosing tank.
In one embodiment, the number of continuous base dosing tanks is two.
In one embodiment, the soda ash solution has a specific gravity of 1.22 to 1.24
The utility model discloses a continuous preparation soda solution's device's work flow does:
1) the soda solid is continuously added into the continuous alkali preparing tank 1 through a double-helix feeding scale. At the same time, tap water is continuously fed through the flow meter 2 and the pneumatic regulating valve 3. The tap water flow meter 2 and the pneumatic regulating valve 3 are interlocked with the densimeter 4 in the continuous alkali blending tank 1, so that the solution density in the continuous alkali blending tank 1 is controlled within 1.21-1.26.
2) A stirring device 5 and a heating coil 6 are arranged in the continuous alkali preparation tank 1, so that the soda solid can be quickly dissolved. A small part of soda ash carried away by tail gas is sent to an absorption device, and the collected recovery liquid is returned to the continuous alkali preparation tank 1 for reuse.
3) The preliminarily prepared soda solution is pumped into a second continuous soda solution preparation tank 8 through a soda solution delivery pump 7 to further adjust the concentration. The second continuous alkali-blending tank 8 and the continuous alkali-blending tank 1 are of the same type, and are respectively provided with a flowmeter 2, a pneumatic regulating valve 3, a hydrometer 4, a stirrer 5 and a heating coil 6. The tap water flow meter 2 and the pneumatic regulating valve 3 are interlocked with the densimeter 4 in the continuous alkali blending tank 1, so that the density of the soda solution in the continuous alkali blending tank 1 is controlled within 1.22-1.24.
4) After the preparation is finished, the soda solution is pumped to a filtering system through a filter pressing pump 9.
The utility model discloses a device of preparing soda solution in succession can prepare soda solution process continuous operation, improves single equipment utilization efficiency, joins in marriage the alkali groove in succession through interlock and two-stage, and soda concentration control is stable, in addition, can also improve the filter-pressing system utilization ratio.
The above embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (2)
1. An apparatus for continuously preparing soda solution, which is characterized in that: the device comprises a first continuous alkali distribution tank, a soda solution delivery pump, a second continuous alkali distribution tank and a filter pressing pump, wherein the first continuous alkali distribution tank is connected with the second continuous alkali distribution tank through the soda solution delivery pump, densimeters are arranged below the side portions of the first continuous alkali distribution tank and the second continuous alkali distribution tank, a stirrer and a heating coil arranged on the stirrer are arranged in inner cavities of the first continuous alkali distribution tank and the second continuous alkali distribution tank, pneumatic regulating valves and flow meters are arranged on delivery pipelines at the tops of the first continuous alkali distribution tank and the second continuous alkali distribution tank, the filter pressing pump is connected with the second continuous alkali distribution tank, and the filter pressing pump is arranged on one side, far away from the soda solution delivery pump, of the second continuous alkali distribution tank.
2. The apparatus for continuously preparing soda ash solution as claimed in claim 1, wherein: the flowmeter and the pneumatic regulating valve are interlocked with the densitometer in the continuous alkali-blending tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417194.XU CN217248246U (en) | 2021-12-31 | 2021-12-31 | Device for continuously preparing soda solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123417194.XU CN217248246U (en) | 2021-12-31 | 2021-12-31 | Device for continuously preparing soda solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217248246U true CN217248246U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123417194.XU Active CN217248246U (en) | 2021-12-31 | 2021-12-31 | Device for continuously preparing soda solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217248246U (en) |
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2021
- 2021-12-31 CN CN202123417194.XU patent/CN217248246U/en active Active
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