CN105214584B - Keep the multiple target inter-linked controlling method and device of reactor level stability - Google Patents
Keep the multiple target inter-linked controlling method and device of reactor level stability Download PDFInfo
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Abstract
The present invention relates to a kind of multiple target inter-linked controlling method for keeping reactor level stability and the device for realizing this method, this method to include：Reactor level set step, measuring process, reactor liquid automatic control step, the amount of being actually added into of raw material 1 automatically controls step, reactor density automatically controls step and the addition of raw material 1 perform step.The above method and device can either help chemical enterprise setting value of the maintenance reaction device level stability in technological requirement in process of production, and can is enough after detecting that a kind of charging of raw materials for production is fluctuated simultaneously, the inlet amount of fast automatic another raw materials for production of adjustment, so as to meet the requirement of inside reactor concentration control.The reactor liquid level that should be aspired for stability in this method and device solution chemical process requires the problem of the maintenance reaction device concentration in the case of inlet amount is disturbed again, the operating difficulties that the two can not take into account during manual operation is overcome, drastically increases control accuracy and production efficiency.
Description
Technical field
The present invention relates to the fields such as chemical industry, metallurgy, manufacture, meet that concentration will suitable for chemical enterprise more particularly to a kind of
The chemical process multiple target inter-linked controlling method and device of reactor level stability are kept under the conditions of asking.
Background technology
All the time, if necessary to which multiple targets in reactor are carried out with coordinated signals, control in chemical process
Certain difficulty be present in designing and actually coming into operation for scheme processed.First, the liquid level of reactor and density are very important
Index, the liquid level of stable reactor and its Midst density are the basic guarantees of safety in production and product quality, the liquid level in reactor
Determined with density by the inlet amount of raw materials for production；Secondly, after reactor liquid level equilibrium is established, i.e. the inlet amount of raw materials for production
Reach stationary value, its inlet amount fluctuates under unusual service condition when certain raw materials for production, causes density in reactor to occur
After change, if the inlet amount of another raw materials for production can not make corresponding change within the very first time, in reactor
Density balance is broken first；Finally, if controlling liquid level merely, because its pace of change is slower, when detect its change again
When changing raw materials for production inlet amount, reactor density is uncontrollable；If controlling density merely, according to inlet amount fluctuation not
Change the inlet amount of another raw materials for production disconnectedly, the fluctuation of liquid level in reactor can be caused.It is this can not take into account each other,
The mode of operation of tail can not be cared for by caring for head, and the end product quality of Chemical Manufacture can be caused to have a strong impact on, or even bring safety hidden
Suffer from.
By taking a kind of production of chemical products as an example, the material code name for participating in reaction is M2 and hydrochloric acid.According to technological requirement, M2
For uniform feeding, it is necessary to ensure inside reactor liquid level equilibrium by the inlet amount for adjusting hydrochloric acid, while also need to ensure M2 and salt
Acid carries out reacted density balance with Proportional coefficient K in inside reactor, and liquid level pace of change will be delayed compared with variable density speed
It is slow many.As M2, its charging rate is fluctuated under unusual service condition, if can not change the charging of hydrochloric acid the very first time
Amount, then density balance can be broken first；When detecting that liquid level is because M2 change needs to increase there occurs change in reactor
Or when reducing the addition of hydrochloric acid, density in reactor is unstable to be impacted to product quality.Traditional operation side
Operating personnel need moment concern M2 charging rate under formula, find the inlet amount of very first time change hydrochloric acid after its fluctuation, together
When also need to as early as possible adjust liquid level to required setting value after M2 charging rates recover stable, this mode of operation is greatly
The energy of operating personnel is expended, it is slightly slack then to need to undertake output defective work for night shift operating personnel
Produce responsibility.
Fig. 1 shows the operating process of chemical enterprise in the prior art, and the manual operation of overall process causes operating personnel's labor
Fatigue resistance is big, low production efficiency.
The content of the invention
The defects of being existed based on above-mentioned prior art, it is desirable to provide one kind keeps reaction under the conditions of disclosure satisfy that concentration requirement
The chemical process multiple target inter-linked controlling method and device of device level stability, to reduce operator's labor to greatest extent
Fatigue resistance, while reduce enterprise safety operation risk.
In order to solve the above technical problems, as the first aspect of the invention, there is provided one kind meets concentration requirement condition
The lower chemical process multiple target inter-linked controlling method for keeping reactor level stability, this method comprise the following steps：
Reactor level set step, reactor level set value SV is determined according to technological requirement；
Measuring process, measurement reactor liquid level actual value PV, the amount of the being actually added into PV1 for measuring raw material 1 and measurement raw material 2
The amount of being actually added into PV2；
Reactor liquid automatic control step is actual according to the reactor level value SV of setting and the reactor liquid level measured
Measured value PV, the addition setting value SV1 of raw material 1 is obtained using feedback algorithm, reach described anti-to automatically control reactor liquid level
Answer device level set value SV；
The amount of being actually added into of raw material 1 automatically controls step, is added according to the addition setting value SV1 of raw material 1 and the raw material 1 measured
Actual value PV1 is measured, addition the first controlling value CV1 of raw material 1 is obtained using feedback algorithm, to maintain raw material 1 needed for the liquid level to add
Enter amount；
Reactor density automatically controls step, calculates according to addition the first controlling value CV1 of raw material 1 and the original measured
The amount of the being actually added into PV2 of material 2, addition the second controlling value CV2 of raw material 1 is obtained using feedforward arithmetic, with maintenance reaction device liquid level
Value SV；
The addition of raw material 1 performs step, the aperture of a flow valve is adjusted, to realize second controlling value CV2.
Preferably further include operation result step display, Dynamic Announce reactor level set value and actual measured value,
Raw materials for production 1 and raw materials for production 2 are actually added into measurement.
As the second aspect of the invention, additionally provide one kind and meet to keep reactor liquid level steady under the conditions of concentration requirement
Fixed chemical process multiple target linkage control device, the device include：
Reactor level set module, for receiving reactor level set value SV input；
Measurement module, it is former for measuring reactor liquid level actual value PV, the amount of the being actually added into PV1 for measuring raw material 1 and measurement
The amount of the being actually added into PV2 of material 2；
Feedback control algorithm module, according to the reactor level value SV of setting and the reactor liquid level actual measured value measured
PV, raw material 1 addition setting value SV1 is obtained using feedback algorithm, then, according to the addition setting value SV1 of raw material 1 and measured
The addition actual value PV1 of raw material 1, addition the first controlling value CV1 of raw material 1 is obtained using feedback algorithm, to maintain the liquid level institute
Need the addition of raw material 1；
Feed-forward control algorithm module, according to addition the first controlling value CV1 of raw material 1 and the raw material 2 measured reality
Addition PV2, addition the second controlling value CV2 of raw material 1 is obtained using feedforward arithmetic, with maintenance reaction device level value SV；
Execution module, for adjusting the aperture of a flow valve, to realize second controlling value CV2.
It is preferred that also include an operation result display module, for adjusting the aperture of a flow valve, with realize this second
Controlling value CV2.
Adjust firstly the need of the inventory for increasing or decreasing material, and throw by artificial means instant invention overcomes prior art
Doses still needs to put into the technological deficiency that full energies give more sustained attention reactor liquid level after changing, will be due to charging by coordinated signals
The possibility that amount fluctuation influences on reactor density minimizes, and reduces to greatest extent because inlet amount fluctuation causes chemical industry to be given birth to
The possibility of production process output defective work.
Brief description of the drawings
Fig. 1 gives controls reactor liquid level and the wherein schematic diagram of concentration using manual operation in the prior art；
Fig. 2 give the present invention meet keep under the conditions of concentration requirement the chemical process of reactor level stability more
The general illustration of target inter-linked controlling method and device；
Fig. 3 give the present invention meet keep under the conditions of concentration requirement the chemical process of reactor level stability more
Target inter-linked controlling method is preferable to carry out schematic diagram；And
Fig. 4 give the present invention meet keep under the conditions of concentration requirement the chemical process of reactor level stability more
Target linkage control device is preferable to carry out schematic diagram.
Embodiment
Embodiments of the invention are described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Referring to Fig. 2, it shows the Chemical Manufacture for meeting to keep under the conditions of concentration requirement reactor level stability of the present invention
Process multiple target inter-linked controlling method, the control method comprise the following steps：
Reactor level set step, reactor liquid level is set according to technological requirement；
Measuring process, measurement reactor liquid level actual value PV, the amount of the being actually added into PV1 for measuring raw material 1 and measurement raw material 2
The amount of being actually added into PV2；
Reactor liquid automatic control step, automatically control reactor liquid level and reach setting value；
The amount of being actually added into of raw material 1 automatically controls step, and automatic calculate maintains the addition of raw material 1 needed for the liquid level；
Reactor density automatically controls step, calculates when raw material 2 changes according to needed for requiring reactor density control
The addition of feed change 1 and the addition sum for maintaining raw material 1 needed for level stability, result of calculation are addition raw materials for production 1
Final total amount；
Add raw material 1 and perform step, perform the final total amount for adding raw materials for production 1；
Operation result step display, Dynamic Announce reactor level set value and actual measured value, raw materials for production 1 and production
Raw material 2 is actually added into measurement.
Under normal circumstances, when implementing of the invention, above-mentioned reactor level set step, reactor liquid automatic control step
Suddenly, reactor level gauging step, the amount of being actually added into of raw materials for production 1 automatically control step, raw materials for production 1 add measurement step
Suddenly, the addition measuring process of raw materials for production 2, reactor density automatically control step, add the execution step of raw materials for production 1 and operation
As a result step display is automatically performed in dcs.Inputted and reacted according to chemical enterprise actual production technological requirement
After the setting value of device liquid level, after automatically detecting raw materials for production inlet amount and fluctuating, a most key step is by preceding
The inlet amount that algorithm changes another raw material according to feed-forward coefficients K at once is presented, so as to ensure that inside reactor is density stabilized, then base
In level gauging result by feedback control algorithm reactor level stability in setting value, after completion overcomes inlet amount fluctuation
The foundation of dynamic equilibrium.The above method and device can either help chemical enterprise maintenance reaction device level stability in process of production
In the setting value of technological requirement, while and can is enough after detecting that a kind of charging of raw materials for production is fluctuated, will according to technique
Seek quickness the inlet amounies of fast adjust automatically another kind raw materials for production, so as to meet the requirement of inside reactor concentration control.By upper
Method and apparatus are stated, can solve the problem that the reactor liquid level that should be aspired for stability in chemical process requires to be disturbed in inlet amount again
In the case of maintenance reaction device concentration problem, overcome the operating difficulties that the two can not take into account during manual operation, greatly
Improve control accuracy and production efficiency.
Fig. 3 shows the specific embodiment of the above-mentioned control method of the present invention.As shown in figure 3, reactor level set step, is needed
To be required according to the actual process of chemical enterprise, determine the setting value SV of liquid level in reactor；Measuring process, measure reactor liquid
Position actual value PV, the amount of the being actually added into PV1 for measuring raw material 1 and the amount of the being actually added into PV2 for measuring raw material 2；Reactor liquid level is automatic
Rate-determining steps are calculated according to the reactor level value SV and the reactor liquid level actual measured value PV measured of setting using closed loop feedback
Method obtains the addition setting value SV1 of raw material 1, reaches the reactor level set value SV to automatically control reactor liquid level；It is former
1 amount of being actually added into of material automatically controls step according to the addition setting value SV1 of raw material 1 and the addition actual value of raw material 1 measured
PV1, addition the first controlling value CV1 of raw material 1 is obtained using closed loop feedback algorithm, to maintain the addition of raw material 1 needed for the liquid level；
Reactor density automatically controls step being actually added into according to addition the first controlling value CV1 of raw material 1 and the raw material 2 that measures
PV2 is measured, addition the second controlling value CV2 of raw material 1 is obtained using feedforward arithmetic, with maintenance reaction device level value SV, the feedforward
Control algolithm uses CV1+K*PV2, wherein, K is to require feed change 1 at once according to reactor density when raw material 2 changes
The proportionality coefficient of addition；The addition of raw material 1 performs the aperture that step adjusts a flow valve, to realize second controlling value
CV2；Operation result step display shows that reactor level set value SV, liquid level actual measured value PV, the addition of raw material 1 are real in good time
The actual value PV1 and addition actual value PV2 of raw material 2.
As another aspect of the present invention, it is used to meet present invention also offers one kind to keep reaction under the conditions of concentration requirement
The chemical process multiple target linkage control device of device level stability, referring to shown in Fig. 2 and Fig. 4, device and figure shown in Fig. 4
Control method shown in 3 is corresponding, and wherein raw material 1 is M2, and raw material 2 is hydrochloric acid, and the device includes：
Reactor level set module, for receiving the input of reactor level set value；
Measurement module includes two submodules, and wherein reactor level gauging module is used to measure reactor actual liquid level,
Raw material is actually added into the amount of being actually added into that measurement module is used to measure raw material 1 and raw material 2；
Feedback control algorithm module, reached by the actual measured value of feedback control algorithm reactor liquid level and raw material 1
To setting value and establish new dynamic equilibrium；
Feed-forward control algorithm module, it is rapidly achieved by feed-forward control algorithm reactor density when raw material 2 changes
Stablize and establish new dynamic equilibrium；
Execution module, for completing ultimately joining for raw material 1；
Operation result display module, for real-time display reactor level set value and actual measured value, the and of raw materials for production 1
Raw materials for production 2 are actually added into the variation tendency of measurement.
Further, above-mentioned raw materials for production are actually added into measurement module, its measurement result, i.e. raw materials for production 1 and production
The amount of being actually added into of raw material 2, it will export to feedback control algorithm module and feed-forward control algorithm module, for establishing new dynamic
Balance.
Further, above-mentioned feedback control algorithm module, by adjusting the ratio in feedback control algorithm, integration and micro-
Split-phase related parameter so that reactor liquid level and raw materials for production 1 reach setting value and establish dynamic equilibrium.
Further, above-mentioned feed-forward control algorithm module, measurement is actually added into by feed-forward coefficients K and raw material 2
Product calculate maintenance reaction device density required by raw material 1 addition；The amount of ultimately joining of raw materials for production 1 is equal to maintenance reaction
The addition of device density requirements raw material 1 requires the addition sum of raw material 1 with maintenance reaction device liquid level.
Further, above-mentioned execution module, showed by the way that the result of calculation of the amount of ultimately joining of raw materials for production 1 is converted into
The electric signal that field control valve is received, Field adjustment valve provide corresponding valve opening so as to ensure that production is former after receiving the signal
Material 1 ultimately joins.
Above-mentioned, reactor level set module, reactor level gauging module, raw materials for production are actually added into measurement mould
Block, feedback control algorithm module, feed-forward control algorithm module, execution module and operation result display module, are based on distribution
Control system realizes correlation function.
All the time, if necessary to which multiple targets in reactor are carried out with coordinated signals, control in chemical process
Certain difficulty be present in designing and actually coming into operation for scheme processed.First, the liquid level of reactor and density are very important
Index, the liquid level of stable reactor and its Midst density are the basic guarantees of safety in production and product quality, the liquid level in reactor
Determined with density by the inlet amount of raw materials for production；Secondly, after reactor liquid level equilibrium is established, i.e. the inlet amount of raw materials for production
Reach stationary value, its inlet amount fluctuates under unusual service condition when certain raw materials for production, causes density in reactor to occur
After change, if the inlet amount of another raw materials for production can not make corresponding change within the very first time, in reactor
Density balance is broken first；Finally, if controlling liquid level merely, because its pace of change is slower, when detect its change again
When changing raw materials for production inlet amount, reactor density is uncontrollable；If controlling density merely, according to inlet amount fluctuation not
Change the inlet amount of another raw materials for production disconnectedly, the fluctuation of liquid level in reactor can be caused.It is this can not take into account each other,
The mode of operation of tail can not be cared for by caring for head, and the end product quality of Chemical Manufacture can be caused to have a strong impact on, or even bring safety hidden
Suffer from.
Adjust firstly the need of the inventory for increasing or decreasing material, and throw by artificial means instant invention overcomes prior art
Doses still needs to put into the technological deficiency that full energies give more sustained attention reactor liquid level after changing, will be due to charging by coordinated signals
The possibility that amount fluctuation influences on reactor density minimizes, and reduces to greatest extent because inlet amount fluctuation causes chemical industry to be given birth to
The possibility of production process output defective work.Referring to shown in specific embodiment in Fig. 4, with a kind of being produced as chemical products
Example, the material code name for participating in reaction is M2 and hydrochloric acid.According to technological requirement, M2 is uniform feeding, it is necessary to by adjusting hydrochloric acid
Inlet amount ensures inside reactor liquid level equilibrium, while also needs to ensure that M2 is carried out with hydrochloric acid with Proportional coefficient K in inside reactor
Reacted density balance.Because liquid level pace of change is slowly many compared with variable density speed, when M2 under unusual service condition its
Charging rate is fluctuated, and the very first time changes the inlet amount of hydrochloric acid by feedforward control, keeps density balance in reactor；
When further detecting in reactor liquid level because the change of the inlet amount of M2 and hydrochloric acid is there occurs during change, then pass through feedback control
Liquid level is adjusted to required setting value, this multiple target coordinated signals mode drastically increases operating efficiency and whole reaction
The stability of process.
The present invention can realize that obtaining liquid level raw materials for production in real time is actually added into measurement in DCS system, so as in DCS
Reactor liquid level, concentration and raw materials for production addition coordinated signals based on feedback and feed-forward control algorithm are realized in system, this
Embodiment can reach quick dynamic stability of the reactor concentration in the case of the fluctuation of raw materials for production inlet amount, and reactor liquid level exists
Raw materials for production inlet amount change after dynamic stability, its process no longer needs any manual intervention.Further, may be used also
Realize that reactor level set value and actual measured value, raw materials for production 1 and raw materials for production 2 are actually added into measurement in DCS system
The real-time tracking of magnitude variations trend is shown.
Those skilled in the art will also understand is that, the various illustrative logical blocks with reference to described by disclosure herein, list
Member, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.It is hard in order to clearly demonstrate
This interchangeability of part and software, enters with regard to the function of various exemplary components, square, unit, circuit and step to it
General description is gone.This function is implemented as software and is also implemented as hardware depending on concrete application and application
Design constraint to whole system.Those skilled in the art can realize described in a variety of ways for every kind of concrete application
Function, but this realize that decision should not be interpreted as causing a departure from the scope of the present.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. method for being used to keep the multiple target coordinated signals of reactor level stability, it is characterised in that including：Reactor level set step, reactor level set value SV is determined according to technological requirement；Measuring process, measurement reactor liquid level actual value PV, measure the amount of the being actually added into PV1 of raw material 1 and measure the reality of raw material 2 Addition PV2；Reactor liquid automatic control step, according to the reactor level value SV of setting and the actual measurement of reactor liquid level measured Value PV, the addition setting value SV1 of raw material 1 is obtained using feedback algorithm, reaches the reactor to automatically control reactor liquid level Level set value SV；The amount of being actually added into of raw material 1 automatically controls step, real according to the addition setting value SV1 of raw material 1 and the addition of raw material 1 measured Actual value PV1, addition the first controlling value CV1 of raw material 1 is obtained using feedback algorithm, to maintain the addition of raw material 1 needed for the liquid level；Reactor density automatically controls step, according to addition the first controlling value CV1 of raw material 1 and the raw material 2 measured reality Border addition PV2, addition the second controlling value CV2 of raw material 1 is obtained using feedforward arithmetic, with maintenance reaction device level value SV；The addition of raw material 1 performs step, the aperture of a flow valve is adjusted, to realize second controlling value CV2.
- 2. the method described in claim 1, it is characterised in that further comprise operation result step display, real-time display reaction Device level set value SV, liquid level actual measured value PV, the addition actual value PV1 of raw material 1 and the addition actual value PV2 of raw material 2.
- 3. the method described in claim 2, it is characterised in that described reactor liquid automatic control step uses closed loop feedback Control algolithm.
- 4. the method described in claim 1, it is characterised in that the amount of being actually added into of raw material 1 automatically controls step, using closed loop Feedback control algorithm.
- 5. a kind of multiple target linkage control device for being used to keep reactor level stability, it is characterised in that the device includes：Reactor level set module, for receiving reactor level set value SV input；Measurement module, for measuring reactor liquid level actual value PV, the amount of the being actually added into PV1 for measuring raw material 1 and measurement raw material 2 The amount of being actually added into PV2；Feedback control algorithm module, according to the reactor level value SV of the setting and reactor liquid level actual measured value PV that measures, The addition setting value SV1 of raw material 1 is obtained using feedback algorithm, then, according to the addition setting value SV1 of raw material 1 and the original measured Expect 1 addition actual value PV1, addition the first controlling value CV1 of raw material 1 is obtained using feedback algorithm, to maintain needed for the liquid level The addition of raw material 1；Feed-forward control algorithm module, according to being actually added into for addition the first controlling value CV1 of raw material 1 and the raw material 2 that measures PV2 is measured, addition the second controlling value CV2 of raw material 1 is obtained using feedforward arithmetic, with maintenance reaction device level value SV；Execution module, for adjusting the aperture of a flow valve, to realize second controlling value CV2.
- 6. the device described in claim 5, it is characterised in that further comprise operation result display module, for real-time display Reactor level set value SV, liquid level actual measured value PV, the addition actual value PV1 of raw material 1 and the addition actual value of raw material 2 PV2。
- 7. according to the device described in claim 5, it is characterised in that the feedback control algorithm module, by adjusting feedback control Ratio, integration and differential relevant parameter in algorithm processed so that reactor liquid level and raw materials for production 1 reach setting value and established dynamic State balances.
- 8. the device described in any one of claim 5 to 7, it is characterised in that the execution module, by the way that raw materials for production 1 are added Enter the controlling value of flow control two and be converted into the electric signal received by Field adjustment valve, the flow valve provides phase after receiving the signal The aperture answered.
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| CN106995232A (en) * | 2016-01-26 | 2017-08-01 | 蓝星（北京）技术中心有限公司 | The multi-mode control method and device for keeping pH value stable |
| CN108927081B (en) * | 2017-05-27 | 2020-10-27 | 蓝星（北京）技术中心有限公司 | Liquid level optimization control method and system for chemical production feeding |
| CN110389601B (en) * | 2018-09-07 | 2022-07-12 | 沈阳化工股份有限公司 | Control method, device and equipment for stabilizing liquid level |
| CN111203161B (en) * | 2020-02-18 | 2021-05-28 | 中国神华煤制油化工有限公司 | Multi-reactor feeding control method and device and feeding system |
| CN111650979B (en) * | 2020-05-11 | 2022-02-15 | 万华化学集团股份有限公司 | Extraction flow adjusting method, storage medium and electronic equipment |
| CN112675722B (en) * | 2020-12-17 | 2022-09-20 | 浙江中控技术股份有限公司 | Control method and device for refining, diluting and self-optimizing seaweed |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776558A (en) * | 2005-12-15 | 2006-05-24 | 上海交通大学 | Method for realizing liquid ratio control |
| CN101329585A (en) * | 2008-07-24 | 2008-12-24 | 袁璞 | Control method and apparatus for coordinating flow quantity and liquid level |
| CN102023651A (en) * | 2010-10-20 | 2011-04-20 | 北京矿冶研究总院 | Method and device for controlling liquid level of flotation tank |
| CN103910422A (en) * | 2014-04-09 | 2014-07-09 | 湖南华亿电子工程有限公司 | Intelligent vanadium preparing and adding method and concentration and liquid level algorithm for vanadium preparing |
-
2015
- 2015-10-21 CN CN201510686178.0A patent/CN105214584B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1776558A (en) * | 2005-12-15 | 2006-05-24 | 上海交通大学 | Method for realizing liquid ratio control |
| CN101329585A (en) * | 2008-07-24 | 2008-12-24 | 袁璞 | Control method and apparatus for coordinating flow quantity and liquid level |
| CN102023651A (en) * | 2010-10-20 | 2011-04-20 | 北京矿冶研究总院 | Method and device for controlling liquid level of flotation tank |
| CN103910422A (en) * | 2014-04-09 | 2014-07-09 | 湖南华亿电子工程有限公司 | Intelligent vanadium preparing and adding method and concentration and liquid level algorithm for vanadium preparing |
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Effective date of registration: 20220622 Address after: 330319 Yongxiu County, Jiujiang, Jiangxi Province, Yang Jialing Patentee after: JIANGXI BLUESTAR XINGHUO ORGANIC SILICONE Co.,Ltd. Address before: 100029 Beijing city Chaoyang District Beitucheng West Road No. 9 Patentee before: BLUESTAR (BEIJING) TECHNOLOGY CENTER CO.,LTD. Patentee before: Jiangxi Bluestar Xinghuo organic silicon Co., Ltd |