CN220885579U - Lithium iron phosphate positive electrode material storage bin - Google Patents
Lithium iron phosphate positive electrode material storage bin Download PDFInfo
- Publication number
- CN220885579U CN220885579U CN202322870911.7U CN202322870911U CN220885579U CN 220885579 U CN220885579 U CN 220885579U CN 202322870911 U CN202322870911 U CN 202322870911U CN 220885579 U CN220885579 U CN 220885579U
- Authority
- CN
- China
- Prior art keywords
- pressure
- check valve
- iron phosphate
- positive electrode
- lithium iron
- 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.)
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Links
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 20
- 239000007774 positive electrode material Substances 0.000 title claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 13
- 239000010405 anode material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a lithium iron phosphate anode material storage bin which comprises a storage tank and a pressure relief device for overpressure protection, wherein the pressure relief device comprises a first check valve, a PLC (programmable logic controller) and a pressure sensor for detecting the air pressure in the storage tank, the first check valve is connected with the storage tank, and the pressure sensor and the first check valve are respectively and electrically connected with the PLC. The pressure in the storage bin can be controlled in the safety range, and when the pressure in the storage bin exceeds the limit pressure, the pressure is automatically and timely released, so that the hose connection is prevented from being broken due to high pressure.
Description
Technical Field
The utility model relates to a storage bin of a lithium iron phosphate positive electrode material, in particular to a storage bin of a lithium iron phosphate positive electrode material, and belongs to the field of production of lithium iron phosphate positive electrode materials.
Background
The lithium iron phosphate positive electrode material is an important link of the new energy industry of lithium batteries, a plurality of working procedures are involved in the production process, and production materials among different working procedures are conveyed through high pressure. The conventional material transferring mode is that operators in different working procedures control high-pressure conveying materials through a control panel, and the mode can achieve good effects in normal production operation. However, under the conditions of full production, verification, irregular production, faults of instruments and equipment, material recovery and the like, overload transportation can occur due to untimely communication among staff in different working procedures, the pressure during overload transportation can exceed the pressure limit of the joint of the hose and the storage bin, and the direct rupture result of the joint of the hose finally occurs.
Disclosure of utility model
The utility model aims to: the utility model aims to provide a lithium iron phosphate positive electrode material storage bin which can prevent a hose joint from being broken due to high pressure during material transmission.
The technical scheme is as follows: the lithium iron phosphate positive electrode material storage bin comprises a storage tank and a pressure relief device for overpressure protection, wherein the pressure relief device comprises a first check valve, a PLC (programmable logic controller) and a pressure sensor for detecting the air pressure in the storage tank, the first check valve is connected with the storage tank, and the pressure sensor and the first check valve are respectively and electrically connected with the PLC.
Further, a pressure relief pipe is arranged on one side of the storage tank.
Further, the pressure release pipe internally provided with a diaphragm for isolating materials, and the diaphragm can prevent the materials from entering the pressure release pipe to cause blockage.
Further, the pressure sensor is connected with a pressure relief pipe.
Further, the pressure sensor is located between the diaphragm and the first check valve.
Further, one end of the pressure relief pipe, which is far away from the storage tank, is connected with a double-protection second check valve, and the second check valve is also electrically connected with the PLC.
Further, one end of the pressure relief pipe far away from the storage tank is connected with an extension pipe.
Further, the inside of pressure release pipe is filled with activated carbon, and the activated carbon can filter adsorption treatment to the air that gets into pressure release pipe.
Further, a display screen is integrally arranged on the control table surface of the PLC.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages: the pressure in the storage bin can be controlled in the safety range, and when the pressure in the storage bin exceeds the limit pressure, the storage bin can automatically and timely release pressure, so that the situation that the hose connection part is broken due to high pressure is avoided.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a cross-sectional view of a storage tank and a pressure relief tube of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the lithium iron phosphate positive electrode material storage bin comprises a storage tank 1, wherein a discharge port 4 is arranged at the bottom end of the storage tank 1, a feed port 3 is arranged on the side surface of the storage tank 1, the feed port 3 and the discharge port 4 are respectively connected with a hose 2, the hose 2 of the feed port 3 is communicated with a conveying channel of a previous process, and the hose 2 of the discharge port 4 can be communicated with a conveying channel of a next process; one side of holding vessel 1 is provided with connector 5, and connector 5 is located the top of feed inlet 3, and pressure release pipe 6 is installed to connector 5 of holding vessel 1, and the inside diaphragm 11 that is close to connector 5 department of pressure release pipe 6 is installed, and diaphragm 11 sets up to ventilative membrane, and the air can pass through diaphragm 11 but the unable diaphragm 11 of material, the inside that can prevent material entering pressure release pipe 6 when the pressure release.
The lithium iron phosphate anode material storage bin further comprises a pressure relief device for overpressure protection, the pressure relief device comprises a first check valve 12, a PLC (programmable logic controller) 8 and a pressure sensor 7 for detecting the air pressure in the storage tank 1, the pressure sensor 7 is connected with the pressure relief pipe 6, the storage tank 1 is communicated with the pressure relief pipe 6 through a connecting port 5, therefore, the pressure sensor 7 can detect the air pressure in the storage tank 1, the first check valve 12 is arranged on one side of the storage tank 1, the first check valve 12 is arranged on the pressure relief pipe 6, a connecting point of the pressure sensor 7 and the pressure relief pipe 6 is positioned between a diaphragm 11 and the first check valve 12, the pressure sensor 7 and the first check valve 12 are respectively electrically connected with the PLC 8, the pressure sensor 7 detects the air pressure signal in the storage tank 1 in real time and transmits the air signal to the PLC 8, and a display screen 10 is integrally arranged on an operating table of the PLC 8, and the pressure value of the pressure sensor 7 and the state of the first check valve 12 can be checked through the display screen 10 when in use; preferably, the integrated frame is installed on the top of pressure release pipe 6, and PLC controller 8 is connected with pressure release pipe 6 through the integrated frame, and the setting of integrated frame makes overall structure compact for the whole narrow environment in the factory that is applicable to better.
The end of the pressure release pipe 6 far away from the storage tank 1 is connected with a double-protection second check valve 13, the second check valve 13 is also electrically connected with the PLC 8, the end of the pressure release pipe 6 far away from the storage tank 1 is connected with an extension pipe 14, the extension pipe 14 is preferably a metal hose, the second check valve 13 is connected with the extension pipe 14, the PLC 8 controls the opening and closing of the first check valve 12 and the second check valve 13 according to detected signals, when the instantaneous pressure in the storage tank 1 exceeds the limit pressure of the hose 2 and the storage tank 1, the PLC 8 controls the first check valve 12 and the second check valve 13 to open and release pressure, due to the characteristic that the check valve is in one-way conduction, external gas, moisture, dust and other impurities can be prevented from entering the storage tank 1 through the pressure release pipe 6 during pressure release, the purity of materials can be guaranteed, the first check valve 12 and the second check valve 13 can be selected as check valves with identical models, the check valves with different models can be selected, the check valves with specific selection being determined according to actual conditions, when the instantaneous pressure in the storage tank 1 exceeds the limit pressure of the hose 2 and the storage tank 1, the whole check valve can not be normally closed due to the fact that one check valve can not be normally operated in series, and can not be normally and normally operated; the inside of pressure release pipe 6 is filled with active carbon 9, and active carbon 9 is located one side that holding vessel 1 was kept away from to diaphragm 11, and active carbon 9 can adsorb impurity such as dust, moisture that probably exist, factor such as external air and moisture when preventing the pressure release reverse get into pipeline in cause the pollution to the material, during actual use, can install the humidity transducer that is used for detecting active carbon 9 humidity on pressure release pipe 6 to with this humidity transducer and PLC controller 8 electric connection, the state of active carbon 9 is looked over in the follow-up convenience, makes the staff in time change active carbon 9.
The working process comprises the following steps: in the material conveying process, the pressure sensor 7 monitors the pressure signal in the storage tank 1 in real time and transmits the monitored pressure signal to the PLC 8, when the monitored instantaneous pressure value exceeds the pressure limit value of the connection port of the hose 2, the PLC 8 outputs control programs to the first check valve 12 and the second check valve 13, the pressure release opening time and the valve opening size of the first check valve 12 and the second check valve 13 are controlled, automatic pressure release is further realized, the first check valve 12 and the second check valve 13 can inhibit foreign matters such as external air, moisture, dust and the like from reversely entering the pressure release pipe 6 while the automatic pressure release is realized, the active carbon 9 can adsorb the dust, moisture and the like possibly existing, and after the instantaneous pressure release is finished, the PLC 8 sends out a shutdown command according to the set program, the first check valve 12 and the second check valve 13 are closed, and the normal conveying state is restored; the pressure release process does not need manual operation, and site workers only need to check the whole equipment periodically, and the check comprises checking the damage condition of the diaphragm 11 and the state of the activated carbon 9, so as to judge whether the diaphragm 11 and the activated carbon 9 need to be replaced.
Claims (9)
1. The utility model provides a lithium iron phosphate positive electrode material storage storehouse, includes holding vessel (1), its characterized in that: the pressure relief device of the over-pressure protection is further included, the pressure relief device comprises a first check valve (12), a PLC (programmable logic controller) (8) and a pressure sensor (7) for detecting the air pressure inside the storage tank (1), the first check valve (12) is installed on one side of the storage tank (1), and the pressure sensor (7) and the first check valve (12) are respectively electrically connected with the PLC (8).
2. The lithium iron phosphate positive electrode material storage bin of claim 1, wherein: one side of the storage tank (1) is provided with a pressure relief pipe (6).
3. The lithium iron phosphate positive electrode material storage bin of claim 2, wherein: and a diaphragm (11) for isolating materials is arranged in the pressure release pipe (6).
4. The lithium iron phosphate positive electrode material storage bin of claim 2, wherein: the pressure sensor (7) is connected with the pressure relief pipe (6).
5. The lithium iron phosphate positive electrode material storage bin of claim 4, wherein: the pressure sensor (7) is located between the diaphragm (11) and the first check valve (12).
6. The lithium iron phosphate positive electrode material storage bin according to claim 2 or 5, characterized in that: one end of the pressure release pipe (6) far away from the storage tank (1) is connected with a double-protection second check valve (13), and the second check valve (13) is also electrically connected with the PLC (8).
7. The lithium iron phosphate positive electrode material storage bin of claim 6, wherein: one end of the pressure relief pipe (6) far away from the storage tank (1) is connected with an extension pipe (14).
8. The lithium iron phosphate positive electrode material storage bin according to claim 2 or 7, characterized in that: the pressure release pipe (6) is internally filled with activated carbon (9).
9. The lithium iron phosphate positive electrode material storage bin of claim 1, wherein: a display screen (10) is integrally arranged on the control table top of the PLC (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870911.7U CN220885579U (en) | 2023-10-25 | 2023-10-25 | Lithium iron phosphate positive electrode material storage bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870911.7U CN220885579U (en) | 2023-10-25 | 2023-10-25 | Lithium iron phosphate positive electrode material storage bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220885579U true CN220885579U (en) | 2024-05-03 |
Family
ID=90869397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322870911.7U Active CN220885579U (en) | 2023-10-25 | 2023-10-25 | Lithium iron phosphate positive electrode material storage bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220885579U (en) |
-
2023
- 2023-10-25 CN CN202322870911.7U patent/CN220885579U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |