CN209646468U - A kind of ternary precursor high-accuracy stable charging device - Google Patents
A kind of ternary precursor high-accuracy stable charging device Download PDFInfo
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- CN209646468U CN209646468U CN201920240688.9U CN201920240688U CN209646468U CN 209646468 U CN209646468 U CN 209646468U CN 201920240688 U CN201920240688 U CN 201920240688U CN 209646468 U CN209646468 U CN 209646468U
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Abstract
The utility model belongs to ternary precursor production technical field, in particular to a kind of ternary precursor high-accuracy stable charging device.The utility model uses following scheme: 1) increasing raw material perseverance liquid level delivery pump and raw material between head tank and synthesis reactor and feed intake constant level head tank；2) setting feed distribution pipe and permanent liquid level overflow port the guarantee pump inlet pressure that feeds intake are constant inside constant level head tank；3) constant level head tank bottom discharge port connection frequency conversion feeds intake centrifugal pump, installs electromagnetic flowmeter on the pipeline that feeds intake；4) flow and pump operation frequency are done into constant flow chain control using PLC system.The utility model is constant by the raw material constant level head tank guarantee centrifugal pump inlet pressure 100% that feeds intake that feeds intake, the running frequency for the pump that feeds intake is adjusted using " PID " the constant flux control program in PLC control system according to the instantaneous flow of pump outlet flow meter in real time simultaneously, to realize that high-accuracy stable feeds intake.
Description
Technical field
The utility model belongs to ternary precursor production technical field, in particular to a kind of ternary precursor charging device.
Background technique
With the rise of new-energy automobile industry, ternary material is because of tap density height, and specific capacity is high and the suitable quilt of price
It is considered one of most promising positive electrode of new-energy automobile power battery.Ternary precursor is the most important portion of ternary material
Point, and the maximum technological difficulties of ternary precursor are its synthesis procedure, and what is fed in synthesis unstable will lead to from reaction kettle
Obtained in product morphology and performance it is inconsistent, therefore the selection of feeding apparatus seems of crucial importance in synthesis procedure.At present
Relatively common feeding apparatus device is mainly in domestic and international ternary precursor synthesis procedure: metering pump and centrifugal pump constant pressure are defeated
+ regulating valve combination unit is sent, but the stability that feeds intake of both devices is poor.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, one kind is provided and feeds intake that pump inlet pressure is constant, throws
Expect that precision is high, the stability that feeds intake is good, and can monitor and automatically adjust the ternary precursor high-precision of pump discharge instantaneous flow in real time
Stablize charging device.
In order to achieve the above object, a kind of ternary precursor high-accuracy stable charging device designed by the utility model,
It includes raw material storage tank and synthesis reaction vessel, and the feed pipe of the raw material storage tank is equipped with pneumatic on-off valve, the top of raw material storage tank
Portion is equipped with radar level gauge, and the radar level gauge and pneumatic on-off valve are chain；The bottom of raw material storage tank and raw material perseverance liquid level are defeated
Pump is sent to connect, the discharge port of raw material perseverance liquid level delivery pump and the raw material constant level head tank that feeds intake are connect；The raw material feeds intake constant level head tank
Feed inlet be inserted into liquid level hereinafter, and at feed inlet setting charging distributor pipe；Raw material, which feeds intake, is arranged overflow on constant level head tank
Mouthful, the top of the overflow port and raw material storage tank connects；Raw material feed intake constant level head tank bottom discharge port connection frequency conversion feed intake from
Heart pump, the feed intake discharge port of centrifugal pump of frequency conversion are connect with synthesis reaction vessel, are connect in the frequency conversion centrifugal pump that feeds intake with synthesis reaction vessel
Pipeline be equipped with electromagnetic flowmeter, the flow signal of electromagnetic flowmeter is linked into remote PLC control internal system, PLC control
The control signal of system is linked on the frequency-variable controller for the centrifugal pump that feeds intake.
Preferably, being additionally provided with glass rotameter on pipeline between electromagnetic flowmeter and synthesis reaction vessel.It can
It is floated up and down situation by the float of field observation glass rotameter, judges the control precision to feed intake.
The working principle of the utility model is as follows: material liquid is stored from the outdoor public auxiliary raw material storage tank that enters, and storage tank adds
Liquid measure is controlled automatically at the 85% of storage tank total volume, and control mode is using storage tank radar level gauge and feed inlet pneumatic on-off valve
It carries out chain；The material liquid of storage is fed intake constant level head tank conveying with raw material perseverance liquid level delivery pump toward raw material, and material liquid passes through charging
Distributor pipe is uniform and stable to be entered raw material and feeds intake inside constant level head tank, and extra solution can be fed intake constant level head tank by raw material
Overflow port overflow back storage in raw material storage tank；The feed intake liquid level of constant level head tank of raw material continues, stable maintains certain height
It spends and then realizes that the centrifugal pump inlet pressure P that feeds intake is constant, to realize the purpose for the centrifugal pump constant pressure conveying that feeds intake；Feed intake centrifugal pump
Using variable-frequency motor, installing high-accuracy electromagnetic flowmeter on pump discharge pipeline additional can be with the instantaneous flow of real-time measurement pump discharge, will
The flow signal of electromagnetic flowmeter is linked into remote PLC control internal system, and PLC control program uses and setting target flow value
SV and instantaneous flow value signal carry out " PID " constant flow chain control, and control signal is inputed to the frequency conversion for the centrifugal pump that feeds intake
Device adjusts pump output revolutions and then controls pump output flow.
Compared with prior art, utility model has the advantages that
(1) present apparatus process is simple, easy to operate, and control point is few, and constant pressure delivery precision is high；From field observation glass rotors
The float of flowmeter float up and down it is more stable, the device feed intake precision can reach ± 2% control precision；
(2) constant level head tank is fed intake to the centrifugal pump offer material liquid that feeds intake using raw material, ensures the pump inlet pressure 100% that feeds intake
It is constant, improve the precision that feeds intake for the pump that feeds intake；
(3) the raw material constant level head tank feed inlet that feeds intake can effectively reduce input using being inserted into liquid level or less and increase distributor pipe
Impact of the flow to liquid level stablizes the environment of material liquid inside constant level head tank to improve the purpose for realizing Isobarically Control；
(4) feed intake pump using centrifugal pump can effective Real-time Feedback pump discharge instantaneous flow, according to pump outlet flow meter
Instantaneous flow is fed intake using the running frequency raising that " PID " constant flux control in PLC control system can adjust the pump that feeds intake in real time
Precision；
(5) present apparatus cost of investment is low, and system run all right is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model will be further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of ternary precursor high-accuracy stable charging device of the present embodiment description, it includes raw material storage
Tank is 3. and 1. synthesis reaction vessel, the feed pipe of the raw material storage tank are equipped with pneumatic on-off valve, and the top of raw material storage tank is equipped with
2., the radar level gauge and pneumatic on-off valve are chain for radar level gauge；The bottom of raw material storage tank and raw material perseverance liquid level delivery pump
4. connecting, 5. the discharge port of raw material perseverance liquid level delivery pump and the raw material constant level head tank that feeds intake are connect；The raw material feeds intake constant level head tank
Feed inlet be inserted into liquid level hereinafter, and at feed inlet setting charging distributor pipe 6.；Raw material feed intake constant level head tank setting overflow
7., the top of the overflow port and raw material storage tank connects mouth；Raw material feed intake constant level head tank bottom discharge port connection frequency conversion feed intake
8., the feed intake discharge port of centrifugal pump of frequency conversion is connect centrifugal pump with synthesis reaction vessel, is fed intake centrifugal pump and synthesis reaction vessel in frequency conversion
9. the pipeline of connection is equipped with electromagnetic flowmeter, glass is additionally provided on the pipeline between electromagnetic flowmeter and synthesis reaction vessel and is turned
Subflow meter is 10.；The flow signal of electromagnetic flowmeter is linked into remote PLC control internal system, the control of PLC control system
Signal is linked on the frequency-variable controller for the centrifugal pump that feeds intake.
Claims (2)
1. a kind of ternary precursor high-accuracy stable charging device, it is characterised in that: including raw material storage tank and synthesis reaction vessel, institute
The feed pipe for stating raw material storage tank is equipped with pneumatic on-off valve, and the top of raw material storage tank is equipped with radar level gauge, the radar level
It counts chain with pneumatic on-off valve；The bottom of raw material storage tank is connect with raw material perseverance liquid level delivery pump, and raw material perseverance liquid level delivery pump goes out
Material mouth and the raw material constant level head tank that feeds intake are connect；The raw material feed intake constant level head tank feed inlet be inserted into liquid level hereinafter, and into
Setting charging distributor pipe at material mouth；Raw material, which feeds intake, is arranged overflow port, the top of the overflow port and raw material storage tank on constant level head tank
Connection；The feed intake bottom discharge port connection frequency conversion of constant level head tank of raw material feeds intake centrifugal pump, frequency conversion feed intake centrifugal pump discharge port with
Synthesis reaction vessel connection feeds intake on the pipeline that centrifugal pump is connect with synthesis reaction vessel in frequency conversion equipped with electromagnetic flowmeter, electromagnetic current
The flow signal of meter is linked into remote PLC control internal system, and the control signal of PLC control system is linked into the centrifugal pump that feeds intake
Frequency-variable controller on.
2. a kind of ternary precursor high-accuracy stable charging device according to claim 1, it is characterised in that: in electromagnetic current
Glass rotameter is additionally provided on pipeline between meter and synthesis reaction vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240688.9U CN209646468U (en) | 2019-02-26 | 2019-02-26 | A kind of ternary precursor high-accuracy stable charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240688.9U CN209646468U (en) | 2019-02-26 | 2019-02-26 | A kind of ternary precursor high-accuracy stable charging device |
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| Publication Number | Publication Date |
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| CN209646468U true CN209646468U (en) | 2019-11-19 |
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| CN201920240688.9U Active CN209646468U (en) | 2019-02-26 | 2019-02-26 | A kind of ternary precursor high-accuracy stable charging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548037A (en) * | 2024-01-11 | 2024-02-13 | 长盛(廊坊)科技有限公司 | PAN-based carbon fiber auxiliary agent delivery device and delivery method thereof |
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2019
- 2019-02-26 CN CN201920240688.9U patent/CN209646468U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548037A (en) * | 2024-01-11 | 2024-02-13 | 长盛(廊坊)科技有限公司 | PAN-based carbon fiber auxiliary agent delivery device and delivery method thereof |
| CN117548037B (en) * | 2024-01-11 | 2024-03-29 | 长盛(廊坊)科技有限公司 | PAN-based carbon fiber auxiliary agent delivery device and delivery method thereof |
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