CN209066013U - Electrolytic cell adds the device of hydrogen fluoride automatically - Google Patents
Electrolytic cell adds the device of hydrogen fluoride automatically Download PDFInfo
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- CN209066013U CN209066013U CN201821191974.2U CN201821191974U CN209066013U CN 209066013 U CN209066013 U CN 209066013U CN 201821191974 U CN201821191974 U CN 201821191974U CN 209066013 U CN209066013 U CN 209066013U
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- storage tank
- medium temperature
- electrolytic cell
- automatically
- hydrogen fluoride
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Abstract
The utility model discloses the devices that electrolytic cell adds hydrogen fluoride automatically, including source nitrogen, HF storage tank, medium temperature fluorine cell, the source nitrogen passes through piping connection with the HF storage tank and medium temperature fluorine cell respectively, also by piping connection between the HF storage tank and medium temperature fluorine cell, it is equipped with flowmeter in connecting line between the HF storage tank and medium temperature fluorine cell, is additionally provided with electronic scale below the HF storage tank.The utility model has the beneficial effects that HF continuously can be added into medium temperature fluorine cell, it is basically stable at electrolyte acidity near optimum value 39.5%, electrolytic cell yin is maintained to keep stablizing every voltage, reduce the consumption of electric energy, the excessively high reduced service life for causing carbon anode of electrolyte acidity can also be prevented, enterprise's production cost is reduced.
Description
Technical field
The utility model relates to the devices that electrolytic cell adds hydrogen fluoride automatically.
Background technique
Medium temperature fluorine cell is that electrolyte is made using KHF2 supplying anhydrous HF, and chemical formula is KF (1.8~2.0)
HF is 38.3~40.8% by the HF mass percentage content range (Acidity Range) that chemical formula can calculate electrolyte, general to control
Optimum value processed is 39.5%.When electrolytic cell is electrolysed, KF plays the role of Ion transfer, is to use as electrolyte without disappearing
Consumption, consumption is HF, is continued in this way with electrolysis, needs that HF is continuously replenished.
Domestic manufacturer is essentially all that anhydrous hydrogen fluoride is added into electrolytic cell for interruption, i.e., by operation a period of time, tires out
Electrolysis electricity is calculated, and then calculates the HF amount for needing to add, calculated HF amount is then added into electrolytic cell.Because
Most electrolytic cell is 24 hours continuous continuous operations, and operations staff is divided into day shift, the middle class in a kindergarten, night shift under normal circumstances.It adds
The work of HF is to calculate upper one class of 8 hours electrolytic cell after succeeding and run electricity, then calculate the HF amount for needing to add, by
This class is added.Since difference is arranged in acid adding process system, the time of HF is added generally at 0.5~6 hour.From this acid adding mode
Have the following problems: (1) within the time of not acid adding, the HF being electrolysed is molten HF in the electrolytic solution, is bound to cause electricity in this way
Solve liquid acidity decline；(2) electrolyte acidity decline necessarily causes electrolytic cell yin to increase every voltage, consumes electric energy more；(3) with
The consumption of HF, liquid level of electrolyte can reduce, once pressure oscillation, it is easier to electrolytic cell fluid-tight is destroyed, is set off an explosion；(4) it adds
When HF fast speed, it is possible to cause electrolyte acidity excessively high, influence the service life of electrolytic cell especially carbon anode, increase electricity
Solve slot maintenance rate；(5) when electrolyte acidity is excessively high, will cause and be entrained in fluorine gas, the HF content in hydrogen increases, may not only make
At environmental pollution, production cost also will increase.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes the device that electrolytic cell adds hydrogen fluoride automatically,
To overcome currently available technology above shortcomings.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
Electrolytic cell adds the device of hydrogen fluoride, including source nitrogen, HF storage tank, medium temperature fluorine cell, the source nitrogen automatically
Respectively with the HF storage tank and medium temperature fluorine cell by piping connection, between the HF storage tank and medium temperature fluorine cell
By piping connection, flowmeter, the HF storage tank are equipped in the connecting line between the HF storage tank and medium temperature fluorine cell
Lower section is additionally provided with electronic scale.
Further, solenoid valve is equipped in the pipeline.
Further, the solenoid valve is connected with PLC, the PLC is also connected with display panel, and the solenoid valve is opened
Degree can be controlled by PLC.
Further, in the medium temperature fluorine cell be equipped with liquid level sensor, the liquid level sensor by conducting wire with
The PLC connection.
Further, pressure sensor is additionally provided in the HF storage tank, the pressure sensor passes through conducting wire and the PLC
Connection.
Further, the flow is calculated as orifice flowmeter, and the orifice flowmeter includes orifice flowmeter throttling set
With differential pressure transmitter.
Further, the electronic scale is connect with the PLC by conducting wire.
The utility model has the beneficial effects that HF continuously can be added into medium temperature fluorine cell, keep electrolyte sour
Degree is basically stable near optimum value 39.5%, is maintained electrolytic cell yin to keep stablizing every voltage, is reduced the consumption of electric energy, moreover it is possible to
The excessively high reduced service life for causing carbon anode of electrolyte acidity is prevented, enterprise's production cost is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the structure drawing of device that the electrolytic cell according to the utility model embodiment adds hydrogen fluoride automatically；
In figure: 1, source nitrogen；2, HF storage tank；3, electronic scale；4, flowmeter；5, medium temperature fluorine cell.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1, the electrolytic cell according to the utility model embodiment adds the device of hydrogen fluoride, including nitrogen automatically
Source 1, HF storage tank 2, medium temperature fluorine cell 5, source nitrogen 1 are connected with HF storage tank 2 and medium temperature fluorine cell 5 by pipeline respectively
Connect, also by piping connection between HF storage tank 2 and medium temperature fluorine cell 5, and HF storage tank 2 and medium temperature fluorine cell 5 it
Between connecting line in be equipped with flowmeter 4, be additionally provided with electronic scale 3 below HF storage tank 2.
In the utility model one embodiment, solenoid valve is equipped in pipeline, solenoid valve is connected with PLC, and PLC is also connected with aobvious
Show panel, and the aperture of solenoid valve can be controlled by PLC.
In the utility model one embodiment, liquid level sensor is equipped in medium temperature fluorine cell 5, liquid level sensor passes through
Conducting wire is connect with the PLC.Liquid level sensor can the liquid level in real time to medium temperature fluorine cell 5 be monitored, when liquid level is more than
When setting value, solenoid valve between HF storage tank 2 and medium temperature fluorine cell 5 is closed in PLC control, and opens source nitrogen 1 and medium temperature system
Solenoid valve between fluouine cell 5 starts nitrogen flushing program.
In the utility model one embodiment, be additionally provided with pressure sensor in HF storage tank 2, pressure sensor by conducting wire with
The PLC connection.
In the utility model one embodiment, the flowmeter 4 is orifice flowmeter, and the orifice flowmeter includes orifice plate
Flowmeter throttling set and differential pressure transmitter.Due to not high (the medium temperature fluorine electrolysis that the country uses of 5 electric current of medium temperature fluorine cell
Cell current is no more than 10KA), consumed HF is also low, generally between 7.5~8.0Kg/hr, therefore uses orifice flowmeter section
Stream device control HF is entering medium temperature fluorine cell compared with low discharge continuous supplementation.
In the utility model one embodiment, the electronic scale is connect with the PLC by conducting wire.
When specifically used the utility model, the statistical data of daily accumulation is first passed through, obtains HF additive amount and reaction time
Relationship, by this relationship by being programmed into PLC.After production starts, flowmeter 4 adds the flow of HF to examine in device
It surveys, and the data on flows measured is fed back into PLC, which is compared by PLC with preset data on flows, every when what is measured
When the data on flows of second is larger (smaller), the solenoid valve reduction (increase) controlled between HF storage tank 2 and medium temperature fluorine cell 5 is opened
Degree, to realize automatic addition HF.Meanwhile HF additive amount is further monitored by the way that electronic scale 3 is arranged, due to electromagnetism
The aperture regulation of valve can lag, and the residual quantity for adding up to get off for a long time needs to carry out more accurately control, electronic scale by electronic scale 3
3 can be per PLC be sent to by the weight data of HF storage tank 2 every other hour, and the HF amount added in production process when one small is more than
When default value, PLC closes the solenoid valve between HF storage tank 2 and medium temperature fluorine cell 5, and controls and open source nitrogen 1 in
Solenoid valve between warm fluorine cell 5 starts nitrogen flushing program.The HF amount added in production process when one small is less than default
When numerical value, PLC is contributed to difference in next hour additive amount, by control HF storage tank 2 and medium temperature fluorine cell 5 it
Between the aperture of solenoid valve compensate.
In order to make automatically to add electrolytic cell the power of HF offer continuous-stable, the utility model is using nitrogen supplement HF storage
Pressure tank, i.e., with continual progress is produced, the pressure sensor connecting with PLC in HF storage tank 2 holds pressure data
Continuous to be constantly sent to PLC, when pressure is less than preset value, the solenoid valve between PLC control source nitrogen 1 and HF storage tank 2 is beaten
It opens, when using nitrogen supplement 2 pressure of HF storage tank to the standard value set, PLC controls the electromagnetism between source nitrogen 1 and HF storage tank 2
Valve is closed.
The utility model continuously can add HF into medium temperature fluorine cell 5, keep electrolyte acidity basicly stable
Near optimum value 39.5%, maintains electrolytic cell yin to keep stablizing every voltage, reduce the consumption of electric energy, moreover it is possible to prevent electrolyte
The excessively high reduced service life for causing carbon anode of acidity reduces enterprise's production cost.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. the device that electrolytic cell adds hydrogen fluoride automatically, which is characterized in that including source nitrogen (1), HF storage tank (2), medium temperature fluorine electricity
It solves slot (5), the source nitrogen (1) is described respectively with the HF storage tank (2) and medium temperature fluorine cell (5) by piping connection
Also by piping connection, the HF storage tank (2) and medium temperature fluorine cell between HF storage tank (2) and medium temperature fluorine cell (5)
(5) flowmeter (4) are equipped in the connecting line between, are additionally provided with electronic scale (3) below the HF storage tank (2).
2. the device that electrolytic cell according to claim 1 adds hydrogen fluoride automatically, which is characterized in that be equipped with electricity in the pipeline
Magnet valve.
3. the device that electrolytic cell according to claim 2 adds hydrogen fluoride automatically, which is characterized in that the solenoid valve is connected with
PLC, the PLC are also connected with display panel, and the aperture of the solenoid valve can be controlled by PLC.
4. the device that electrolytic cell according to claim 3 adds hydrogen fluoride automatically, which is characterized in that the medium temperature fluorine electrolysis
Liquid level sensor is equipped in slot (5), the liquid level sensor is connect by conducting wire with the PLC.
5. the device that electrolytic cell according to claim 3 adds hydrogen fluoride automatically, which is characterized in that in the HF storage tank (2)
It is additionally provided with pressure sensor, the pressure sensor is connect by conducting wire with the PLC.
6. the device that electrolytic cell according to claim 1 adds hydrogen fluoride automatically, which is characterized in that the flow is calculated as orifice plate
Flowmeter, the orifice flowmeter include orifice flowmeter throttling set and differential pressure transmitter.
7. the device that electrolytic cell according to claim 3 adds hydrogen fluoride automatically, which is characterized in that the electronic scale (3) with
The PLC is connected by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191974.2U CN209066013U (en) | 2018-07-26 | 2018-07-26 | Electrolytic cell adds the device of hydrogen fluoride automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191974.2U CN209066013U (en) | 2018-07-26 | 2018-07-26 | Electrolytic cell adds the device of hydrogen fluoride automatically |
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| CN209066013U true CN209066013U (en) | 2019-07-05 |
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| CN201821191974.2U Active CN209066013U (en) | 2018-07-26 | 2018-07-26 | Electrolytic cell adds the device of hydrogen fluoride automatically |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005032A (en) * | 2019-12-26 | 2020-04-14 | 福建德尔科技有限公司 | Portable full-automatic high-purity fluorine gas production device system |
| CN113026034A (en) * | 2021-02-27 | 2021-06-25 | 福建德尔科技有限公司 | Novel electrolytic tank for hydrogen fluoride electrolysis |
| CN113430542A (en) * | 2021-07-08 | 2021-09-24 | 中核四0四有限公司 | Liquid hydrogen fluoride centralized feeding device of fluorine-making electrolytic cell |
| CN113430543A (en) * | 2021-07-08 | 2021-09-24 | 中核四0四有限公司 | Centralized feeding method for liquid hydrogen fluoride in fluorine-making electrolytic cell |
| CN115700301A (en) * | 2022-11-01 | 2023-02-07 | 福建德尔科技股份有限公司 | High-efficiency control method for electrolytic cell for preparing high-purity fluorine gas |
| CN115747848A (en) * | 2022-11-01 | 2023-03-07 | 福建德尔科技股份有限公司 | Safe production method of high-purity fluorine gas |
-
2018
- 2018-07-26 CN CN201821191974.2U patent/CN209066013U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111005032A (en) * | 2019-12-26 | 2020-04-14 | 福建德尔科技有限公司 | Portable full-automatic high-purity fluorine gas production device system |
| CN113026034A (en) * | 2021-02-27 | 2021-06-25 | 福建德尔科技有限公司 | Novel electrolytic tank for hydrogen fluoride electrolysis |
| CN113026034B (en) * | 2021-02-27 | 2022-02-01 | 福建德尔科技有限公司 | Novel electrolytic tank for hydrogen fluoride electrolysis |
| CN113430542A (en) * | 2021-07-08 | 2021-09-24 | 中核四0四有限公司 | Liquid hydrogen fluoride centralized feeding device of fluorine-making electrolytic cell |
| CN113430543A (en) * | 2021-07-08 | 2021-09-24 | 中核四0四有限公司 | Centralized feeding method for liquid hydrogen fluoride in fluorine-making electrolytic cell |
| CN115700301A (en) * | 2022-11-01 | 2023-02-07 | 福建德尔科技股份有限公司 | High-efficiency control method for electrolytic cell for preparing high-purity fluorine gas |
| CN115747848A (en) * | 2022-11-01 | 2023-03-07 | 福建德尔科技股份有限公司 | Safe production method of high-purity fluorine gas |
| CN115700301B (en) * | 2022-11-01 | 2023-10-27 | 福建德尔科技股份有限公司 | High-efficiency control method of electrolytic tank for preparing high-purity fluorine gas |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: No. 6, Gongye Road, Jiaoyang industrial concentration zone, Jiaoyang Town, Shanghang County, Longyan City, Fujian Province, 364204 Patentee after: Fujian del Technology Co.,Ltd. Address before: No.6, Gongye Road, Jiaoyang industrial concentration zone, Jiaoyang Town, Shanghang County, Longyan City, Fujian Province, 364200 Patentee before: FUJIAN DEER TECHNOLOGY CO.,LTD. |