CN210556938U - Lithium ion battery electrolyte raw material solvent storage jar - Google Patents
Lithium ion battery electrolyte raw material solvent storage jar Download PDFInfo
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- CN210556938U CN210556938U CN201920896427.2U CN201920896427U CN210556938U CN 210556938 U CN210556938 U CN 210556938U CN 201920896427 U CN201920896427 U CN 201920896427U CN 210556938 U CN210556938 U CN 210556938U
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Abstract
The utility model discloses a lithium ion battery electrolyte raw materials solvent storage jar, include: the lower opening of the stainless steel upper tank body is connected with the upper opening of the stainless steel lower tank body through the filtering baffle assembly and the sealing washer, and the connected stainless steel upper tank body and the stainless steel lower tank body form a sealed tank body; the top of the stainless steel upper tank body is respectively provided with a vent, an air inlet and a liquid inlet; the stainless steel bottom tube is inserted into the stainless steel upper tank body, an opening at the upper end of the stainless steel bottom tube is a liquid outlet and is positioned outside the stainless steel upper tank body, and an opening at the lower end of the stainless steel bottom tube is inserted into the filtering baffle plate assembly in the stainless steel upper tank body; the stainless steel lower tank body can be filled with a water removing agent, the bottom of the lower tank body is respectively provided with an emptying port and a discharge port, and the emptying port is provided with a valve. This storage jar can make the solvent reduce moisture in the time of the storage to reduce the precipitation cycle when electrolyte is made, improve electrolyte and prepare efficiency, use cost is low, is fit for laboratory and industrial production and uses.
Description
Technical Field
The utility model relates to a raw materials, midbody solvent storage field especially relate to a lithium ion battery electrolyte raw materials solvent storage jar in lithium ion battery electrolyte production.
Background
The electrolyte is one of four main materials of the lithium ion battery, and with the rapid development of new energy, more requirements are put forward on the research and development and production efficiency of the lithium ion battery electrolyte. The control of moisture and metal impurities in the electrolyte preparation process is very strict, and the moisture of a solvent and the electrolyte is often controlled below 10ppm, so that a molecular sieve is required to be used for carrying out precipitation treatment on the solvent in the preparation process, and the process takes a long time in a production cycle, so that the process of reducing the moisture of the solvent in advance is an effective method for compressing the production cycle, improving the production efficiency and increasing the production capacity. In addition, research and development of electrolyte in each laboratory are increasing day by day, but most laboratories do not have small precipitation filtering devices, especially some research and development mechanisms, and only electrolyte manufacturers can provide electrolyte, so that research and development and periodicity of the electrolyte formula are influenced.
SUMMERY OF THE UTILITY MODEL
Based on the problem that prior art exists, the utility model aims at providing a lithium ion battery electrolyte raw materials solvent storage jar can solve present most laboratories and all do not have small-size precipitation filter equipment, is unfavorable for conveniently storing and handling electrolyte, can only lean on the electrolyte after the electrolyte producer provides the dewatering, influences the problem of electrolyte formula research and development cycle.
The utility model aims at realizing through the following technical scheme:
the utility model discloses embodiment provides a lithium ion battery electrolyte raw materials solvent storage jar, include: the device comprises a stainless steel upper tank body, a filtering baffle assembly, a sealing washer, a stainless steel lower tank body, a stainless steel bottom pipe and a valve; wherein the content of the first and second substances,
the lower opening of the stainless steel upper tank body is connected with the upper opening of the stainless steel lower tank body through the filtering baffle plate assembly and the sealing washer, and the connected stainless steel upper tank body and the stainless steel lower tank body form a sealed tank body;
the top of the stainless steel upper tank body is respectively provided with a vent, an air inlet and a liquid inlet;
the stainless steel bottom tube is inserted into the stainless steel upper tank body, an opening at the upper end of the stainless steel bottom tube is a liquid outlet and is positioned outside the stainless steel upper tank body, and an opening at the lower end of the stainless steel bottom tube is inserted into a filtering baffle plate assembly in the stainless steel upper tank body;
the bottom of the stainless steel lower tank body is provided with an evacuation port and a discharge port respectively, and the evacuation port is provided with a valve.
By the above, the utility model provides a technical scheme can find out, the embodiment of the utility model provides a lithium ion battery electrolyte raw materials solvent storage jar, its beneficial effect is:
through the upper tank body of stainless steel and the lower tank body of stainless steel make up into whole jar of body, and set up the filtration baffle subassembly between the upper tank body of stainless steel and the lower tank body junction of stainless steel, conveniently place the dewatering agent in the lower tank body of stainless steel, in whole jar body storage solvent in-process, can take place physical adsorption or chemical reaction through the dewatering agent of depositing in the lower tank body of stainless steel, make solvent moisture constantly reduce, simultaneously through the filtration baffle subassembly, keep off dewatering agent residue or reaction product in the lower tank body of stainless steel, the purity and the clarity of the upper tank body of stainless steel storage solvent have been guaranteed, precipitation when making follow-up production, filtration cycle shortens by a wide margin, even omit follow-up precipitation process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a storage tank for a raw material solvent of an electrolyte of a lithium ion battery provided by an embodiment of the present invention;
fig. 2 is a top view of an upper half of a storage tank according to an embodiment of the present invention;
fig. 3 is a bottom view of a lower half portion of a storage tank according to an embodiment of the present invention;
fig. 4 is a schematic view of a filtering baffle of a storage tank according to an embodiment of the present invention;
each of the labels in the figure is: a-evacuation port; b, discharging a material port; c-a vent; d-an air inlet; e-a liquid outlet; f-liquid inlet; g-sight glass; h-to-bottom tube; j-filtration membrane; k-a filtration baffle assembly; l-set screws; m-flange plate; an N-screw hole; an O-stainless steel upper tank body; a P-stainless steel lower tank body.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Details not described in the embodiments of the present invention belong to the prior art known to those skilled in the art.
As shown in fig. 1 to 3, the embodiment of the utility model provides a lithium ion battery electrolyte raw material solvent storage jar, include: the device comprises a stainless steel upper tank body, a filtering baffle assembly, a sealing washer, a stainless steel lower tank body, a stainless steel bottom pipe and a valve; wherein the content of the first and second substances,
the lower opening of the stainless steel upper tank body is connected with the upper opening of the stainless steel lower tank body through the filtering baffle plate assembly and the sealing washer, and the connected stainless steel upper tank body and the stainless steel lower tank body form a sealed tank body;
the top of the stainless steel upper tank body is respectively provided with a vent, an air inlet and a liquid inlet;
the stainless steel bottom tube is inserted into the stainless steel upper tank body, an opening at the upper end of the stainless steel bottom tube is a liquid outlet and is positioned outside the stainless steel upper tank body, and an opening at the lower end of the stainless steel bottom tube is inserted into a filtering baffle plate assembly in the stainless steel upper tank body;
the bottom of the stainless steel lower tank body is provided with an evacuation port and a discharge port respectively, and the evacuation port is provided with a valve.
As shown in fig. 2 and 3, in the solvent storage tank, the top of the stainless steel upper tank body is an arc top, the bottom of the stainless steel upper tank body is a lower opening, and a flange plate is arranged on the lower opening;
the bottom of the stainless steel lower tank body is an arc-shaped bottom, the top of the stainless steel lower tank body is an upper opening, and a flange plate is arranged on the upper opening;
and the flange plate on the lower opening of the stainless steel upper tank body is matched with the flange plate on the opening of the stainless steel lower tank body.
In the above-mentioned solvent storage jar, the filtering baffle subassembly is for the at least two sets of stack setting. The 1 to 5 groups may be provided as necessary.
As shown in fig. 4, in the above solvent storage tank, the filtering baffle assembly includes: stainless steel filter plate body and establish the filtration membrane on this stainless steel filter plate body. Preferably, different groups of filtering baffle assemblies are provided with filtering membranes with different apertures, so that a better filtering effect can be achieved.
In the solvent storage tank, the stainless steel filtering plate body consists of a perforated annular baffle plate and a filter screen arranged in the middle of the perforated annular baffle plate;
the annular baffle plate with the holes is matched with the flange plate at the lower opening of the stainless steel upper tank body and the flange plate at the upper opening of the stainless steel lower tank body.
In the solvent storage tank, the sealing washer is a polytetrafluoroethylene washer. The sealing gasket can ensure sealing and has better corrosion resistance.
In the solvent storage tank, the top of the stainless steel upper tank body is also provided with a sight glass. The state of the storage solvent can be observed conveniently. Preferably, the sight glass is a toughened glass sight glass.
In the solvent storage tank, a water removing agent is arranged in the stainless steel lower tank body. Water scavengers include, but are not limited to, molecular sieves, silica gel, and the like. The solvent storage tank has the advantages that precipitation is carried out in a mode of soaking molecular sieves and other water removing agents, pulverization caused by impact or oscillation of the molecular sieves is greatly reduced, introduction of impurities of the molecular sieves is reduced, meanwhile, the filtering part can be arranged inside the solvent storage tank, impurities of the molecular sieves are filtered, quality guarantee is provided for subsequent electrolyte production, and the solvent storage tank has a particularly prominent effect when being used in a laboratory.
The utility model discloses a solvent storage jar, can be convenient in the storage process, reduce electrolyte raw materials solvent moisture, reduce follow-up solvent precipitation time, use the solvent direct configuration electrolyte that this storage tank was stored even, save the precipitation process to shorten production cycle.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the embodiment of the utility model provides a lithium ion battery electrolyte raw material solvent storage jar, its characterized in that: this storage jar includes: the stainless steel tank comprises a stainless steel upper tank body, a plurality of groups of filtering baffle assemblies, a stainless steel lower tank body, a stainless steel guide bottom pipe, a polytetrafluoroethylene gasket and a valve; the storage tank comprises an upper stainless steel tank body, a lower stainless steel tank body, a storage tank body, a plurality of groups of filtering baffle assemblies, 1 to 5 groups of filtering baffle assemblies, preferably 1 to 5 stainless steel baffles, preferably 2 groups of filtering baffle assemblies, filtering membranes with different apertures, and polytetrafluoroethylene gaskets, wherein the upper stainless steel tank body and the lower stainless steel tank body are made of 304 stainless steel materials, the tank body is divided into an upper part and a lower part between the joints of the upper stainless steel tank body and the lower stainless steel tank body, the middle of the upper stainless steel tank body and the lower stainless steel tank body is additionally provided with the plurality of groups of filtering baffle assemblies, 1 to 5 groups of filtering baffle assemblies can be arranged; the stainless steel lower tank body can be added with a water removing agent, the water removing agent comprises but is not limited to molecular sieves, silica gel and the like, and the bottom of the stainless steel lower tank body is provided with a vent and a discharge hole. The top of the stainless steel upper tank body is provided with a liquid inlet, an air inlet, a vent and a sight glass, the sight glass is toughened glass, a stainless steel to bottom pipe is inserted into the stainless steel upper tank body, an upper end opening of the stainless steel to bottom pipe is positioned outside the top of the stainless steel upper tank body, the stainless steel to liquid outlet is arranged on a filtering baffle plate assembly of the stainless steel upper tank body, a lower end opening of the stainless steel to bottom pipe is arranged on the filtering baffle plate assembly in the stainless steel upper tank body, and the whole liquid in the solvent storage tank is transferred and pushed by high-.
Equipment assembling: sealing a discharge hole of a stainless steel lower tank body by a polytetrafluoroethylene gasket, tightening a flange plate by a screw, closing a drain hole A, filling a proper amount of lithiated molecular sieve into the stainless steel lower tank body, placing the polytetrafluoroethylene gasket for sealing, placing an upper filtering baffle plate, placing a filter membrane with a required aperture, placing the polytetrafluoroethylene gasket for sealing, placing the upper filtering baffle plate, placing the polytetrafluoroethylene gasket for sealing, placing an upper stainless steel tank body, and fixing and pressing each part by passing the screw through the flange plate at the lower half part of the tank body, the flange plates of each baffle plate and the flange plate at the upper half part of the tank body, wherein the number of the baffle plates and the filter membrane is determined according to requirements.
Storage of solvents and use: opening liquid inlet F and drain C, closing liquid outlet E, air inlet D, evacuation mouth A valve, liquid raw materials from feed inlet F feeding, the feed rate is no longer than the volume of the stainless steel upper tank body, close drain C and feed inlet F after the feeding, can save. When the solvent is used, the liquid outlet E is opened, high-purity inert gas is introduced from the gas inlet D, and the liquid flows out from the liquid outlet E.
Regeneration of the storage tank: when the method is used for a certain time or period, when the precipitation efficiency cannot be expected, the molecular sieve and the filter membrane need to be replaced, the molecular sieve replacing step is carried out, the liquid outlet E, the liquid inlet F and the emptying port C are closed, the bottom emptying port A is opened, inert gas is blown in from the air inlet D, residual liquid is discharged from the emptying port A, then the emptying port B is opened, the molecular sieve is cleaned out, the stainless steel upper tank body and the filter baffle are disassembled, and the lithiated molecular sieve and the filter membrane are replaced.
Use this storage jar storage solvent, can constantly reduce moisture in solvent storage process, precipitation cycle shortens greatly when making follow-up production, even omit follow-up precipitation process, time cost and artifical power cost have been practiced thrift, in addition, through the mode precipitation of soaking the molecular sieve in the storage tank, it produces the pulverization to reduce the molecular sieve and receive impact or oscillation, the introduction of molecular sieve impurity has been reduced, inside filter element that is equipped with simultaneously, filter the molecular sieve impurity, the quality for follow-up electrolyte production provides the guarantee, this storage tank is easy and simple to handle, and is with low costs. The effects are shown in the following table:
it can be seen from the table above that, the storage jar of this embodiment can make the solvent reduce moisture in the time of the storage to reduce the precipitation cycle when electrolyte is made, improve electrolyte and prepare efficiency, use cost is low, is fit for laboratory and industrial production and uses.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a lithium ion battery electrolyte raw materials solvent storage jar which characterized in that includes: the device comprises a stainless steel upper tank body, a filtering baffle assembly, a sealing washer, a stainless steel lower tank body, a stainless steel bottom pipe and a valve; wherein the content of the first and second substances,
the lower opening of the stainless steel upper tank body is connected with the upper opening of the stainless steel lower tank body through the filtering baffle plate assembly and the sealing washer, and the connected stainless steel upper tank body and the stainless steel lower tank body form a sealed tank body;
the top of the stainless steel upper tank body is respectively provided with a vent, an air inlet and a liquid inlet;
the stainless steel bottom tube is inserted into the stainless steel upper tank body, an opening at the upper end of the stainless steel bottom tube is a liquid outlet and is positioned outside the stainless steel upper tank body, and an opening at the lower end of the stainless steel bottom tube is inserted into a filtering baffle plate assembly in the stainless steel upper tank body;
the bottom of the stainless steel lower tank body is provided with an evacuation port and a discharge port respectively, and the evacuation port is provided with a valve.
2. The lithium ion battery electrolyte raw material solvent storage tank of claim 1, wherein the top of the stainless steel upper tank body is an arc-shaped top, the bottom is a lower opening, and a flange is arranged on the lower opening;
the bottom of the stainless steel lower tank body is an arc-shaped bottom, the top of the stainless steel lower tank body is an upper opening, and a flange plate is arranged on the upper opening;
and the flange plate on the lower opening of the stainless steel upper tank body is matched with the flange plate on the upper opening of the stainless steel lower tank body.
3. The li-ion battery electrolyte feed solvent storage tank of claim 1, wherein the filtering baffle assemblies are in at least two groups arranged one above the other.
4. The li-ion battery electrolyte feed solvent storage tank of any of claims 1 to 3, wherein the filtering baffle assembly comprises:
stainless steel filter plate body and establish the filtration membrane on this stainless steel filter plate body.
5. The storage tank for raw material solvent of lithium ion battery electrolyte according to claim 4, wherein the stainless steel filtering plate body is composed of a perforated annular baffle plate and a filtering screen arranged in the middle of the perforated annular baffle plate;
the annular baffle plate with the holes is matched with the flange plate at the lower opening of the stainless steel upper tank body and the flange plate at the upper opening of the stainless steel lower tank body.
6. The li-ion battery electrolyte feedstock solvent storage tank of any of claims 1 to 3, wherein the sealing gasket is a teflon gasket.
7. The storage tank for lithium ion battery electrolyte raw material solvent as claimed in any one of claims 1 to 3, characterized in that the top of the stainless steel upper tank body is further provided with a sight glass.
8. The storage tank for the lithium ion battery electrolyte raw material solvent as claimed in claim 7, wherein the sight glass is a tempered glass sight glass.
9. The storage tank for the lithium ion battery electrolyte raw material solvent as claimed in any one of claims 1 to 3, wherein a water removal agent is arranged in the stainless steel lower tank.
10. The storage tank for lithium ion battery electrolyte raw material solvent as claimed in claim 9, wherein the water scavenger is molecular sieve or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920896427.2U CN210556938U (en) | 2019-06-14 | 2019-06-14 | Lithium ion battery electrolyte raw material solvent storage jar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920896427.2U CN210556938U (en) | 2019-06-14 | 2019-06-14 | Lithium ion battery electrolyte raw material solvent storage jar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530285A (en) * | 2020-05-26 | 2020-08-14 | 英诺维尔智能科技（苏州）有限公司 | Filtering and collecting device suitable for large-scale production of biological products |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530285A (en) * | 2020-05-26 | 2020-08-14 | 英诺维尔智能科技（苏州）有限公司 | Filtering and collecting device suitable for large-scale production of biological products |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20200730 Address after: Jingsan Road, Lingang Economic and Technological Development Zone, Cangzhou Bohai new area, Cangzhou City, Hebei Province Patentee after: Hebei Zhonglan Huateng new energy materials Co., Ltd Address before: 102607 No.1, Anding South Street, Anding Town, Daxing District, Beijing Patentee before: Beijing chemical reagents research institute LLC |
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| TR01 | Transfer of patent right |