CN105463507B - The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding - Google Patents
The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding Download PDFInfo
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- CN105463507B CN105463507B CN201410484340.6A CN201410484340A CN105463507B CN 105463507 B CN105463507 B CN 105463507B CN 201410484340 A CN201410484340 A CN 201410484340A CN 105463507 B CN105463507 B CN 105463507B
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- electrolytic cell
- pipe
- valve
- smoke discharging
- discharging pipe
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Abstract
The present invention relates to a kind of method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding, in the case where ground potential not being imported into electrolytic cell operation area, the metal shell of manually-operated gate in potroom on main smoke discharging pipe and the electrically operated valve on secondary smoke discharging pipe is connected by a high resistance measurement with the connecting pipe tube wall of outdoor, connecting pipe is connected with the main smoke pipe of outdoor, main smoke pipe reliable ground, after the control signal of electrically operated valve is isolated by auxiliary reclay, pass to inside tank control cabinet.Advantages of the present invention and effect are as follows：Valve on electrolytic cell smoke discharging pipe can effectively discharge the safety voltage level for due to high voltage caused by electrostatic induction, ensureing valve body by high resistance grounding.
Description
Technical field
The present invention relates to a kind of method that antistatic connects, more particularly to a kind of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve
The method and device of anti-static grounding.
Background technology
Aluminium electrolysis shop is a place for requiring insulation safety, from being not allow for connecing in the range of operation terrace 4m in workshop
The hardware on ground occurs, and this just requires that the equipment of electrostatic grounding brings operation hidden danger to some.For example, electrolytic cell smoke exhaust pipe
The valve in road is arranged on to be operated within terrace 4m high scopes away from potroom, if being touched on the other hand during operating personnel's installation and maintenance valve
And the powered shell of valve, the other hand touch the flue duct (ground connection) being connected with outdoor main smoke pipe (or secondary smoke pipe), it is possible to
Cause electric shock accidents.Therefore, smoke discharging pipe valve in current electrolysis workshop is installed using two sections of insulation tubes, i.e. valve one end passes through one
Individual insulation tube is connected with electrolytic cell, and the other end is also by an insulation tube with leading to main smoke pipe (or secondary smoke pipe) phase outside factory building
Even.
Meanwhile in potroom be a strong magnetic field circumstance, moved by the flue gas particle of valve under high-intensity magnetic field, and
Constantly bump against with wall friction in tube metal, induced potential will certainly be produced.Meanwhile valve is often opened and closed, metal is led
Body cutting magnetic field can also produce induced potential.And valve both ends are all connected with insulation tube, caused charge inducing nowhere discharges, long
The valve that phase accumulation has been resulted on smoke discharging pipe carries a very high electrostatic potential, reaches as high as 800V.If operating personnel
Electric shock accidents can be caused by touching valve.On the other hand, if valve built-in electrical insulation in itself is damaged, induced voltage can by with groove control
The connected control cable of case is added on tank control cabinet, so as to burn out tank control cabinet circuit board, causes larger economic loss.
The content of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve antistatic
The method and device of ground connection, it is therefore an objective to which release is accumulated in the charge inducing on valve, induced voltage is reduced, so as to ensure operator
The personal safety of member；Electrically operated valve feeds back to the control signal of tank control cabinet by sending groove control to again after auxiliary reclay isolation
Case, avoid due to after valve body damage in insulation, influence of the higher electrostatic potential directly to tank control cabinet.
In order to solve the above-mentioned technical problem the present invention is realized in：A kind of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve
The method of door anti-static grounding, in the case where ground potential not being imported into electrolytic cell operation area, by main smoke evacuation in potroom
The metal shell of manually-operated gate on pipeline and the electrically operated valve on secondary smoke discharging pipe passes through a high resistance measurement and outdoor
Connecting pipe tube wall is connected, and connecting pipe is connected with the main smoke pipe of outdoor, main smoke pipe reliable ground, the control letter of electrically operated valve
After number being isolated by auxiliary reclay, pass to inside tank control cabinet.
After the main coil that the travel switch control signal of electrically operated valve passes through auxiliary reclay, auxiliary reclay is utilized
Contact action is passed to inside tank control cabinet.
High resistance measurement selection determines according to formula below：
Wherein, U is electrolytic cell voltage-to-ground, and R is the resistance value of high resistance grounding, and I is the safe dc electricity for flowing through human body
Stream.
Electrolytic cell voltage-to-ground is that potroom complete series DC voltage is generally 1300V~1500V, and U takes full direct current
Pressure, be i.e. U=1500V, it is 5~30mA by the safe dc electric current I of human body is flowed through, then has
When taking R=50~300k Ω, the power P of resistance is
The device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding, main smoke discharging pipe are provided with hand-operated valve
Door, the both ends of manually-operated gate are respectively equipped with insulation tube, and one of insulation tube is connected to electrolytic cell by pipeline, another insulation
Pipe is connected with connecting pipe, and connecting pipe stretching is outdoor to be connected with main smoke pipe；Secondary smoke discharging pipe is provided with electrically operated valve, motor-driven valve
The both ends of door are respectively equipped with insulation tube, and one of insulation tube is connected to electrolytic cell by pipeline, and another insulation tube is with being connected
Pipeline is connected, and connecting pipe stretching is outdoor to be connected with secondary smoke pipe；Electrically operated valve is connected by copper core cable with manually-operated gate, hand
Movable valve is connected by one end of copper core cable and high resistance measurement, and the other end of high resistance measurement is connected to by copper core cable
Stretch out on outdoor connecting pipe.
Copper core cable is located in PVC protection pipes.
Connecting pipe is metal connecting tube road.
Advantages of the present invention and effect are as follows：Valve on electrolytic cell smoke discharging pipe, can be effective by high resistance grounding
Discharge the safety voltage level for due to high voltage caused by electrostatic induction, ensureing valve body.When the insulating flange at valve both ends
When damage in insulation or operating personnel touch electrolytic cell and valve simultaneously, i.e., form DC channel between electrolytic cell, people and the earth
When, high resistance grounding also ensures that the electric current for flowing through human body is smaller, ensures the safety of operating personnel.On the other hand, passed by valve
Be sent to tank control cabinet control signal isolate through auxiliary reclay after, reduce external voltage and fluctuate interference to tank control cabinet, carry
The high Stability and dependability of control system.
Brief description of the drawings
Fig. 1 is that the section that the small surface side of aluminium electrolysis shop, manually-operated gate and electrically operated valve are grounded by high resistance measurement is illustrated
Figure.
Fig. 2 is that the travel switch control signal of electrically operated valve sends the schematic diagram of tank control cabinet to through auxiliary reclay afterwards.
In figure, 1, main smoke pipe；2nd, connecting pipe；3rd, insulation tube；4th, manually-operated gate；5th, electrically operated valve；6th, pvc pipe；7th, it is high
Valued resistor；8th, copper core cable；9th, secondary smoke pipe；10th, electrolytic cell；11st, travel switch control signal；12nd, tank control cabinet；13rd, it is electrolysed
Workshop；14th, auxiliary reclay.
Embodiment
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
The method of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding of the present invention as shown in the figure, not by the earth
In the case that current potential imports the operating space of electrolytic cell 10, by the manually-operated gate 4 on main smoke discharging pipe in potroom 13 and secondary smoke evacuation
The metal shell of electrically operated valve 5 on pipeline is connected by a high resistance measurement 7 with the tube wall of connecting pipe 2 of outdoor, is connected
Pipeline 2 is connected with the main smoke pipe 1 of outdoor, the main reliable ground of smoke pipe 1, and the control signal of electrically operated valve 5 passes through auxiliary reclay
After 14 isolation, pass to inside tank control cabinet 12.The control signal of electrically operated valve 5 is travel switch control signal 11, electrically operated valve 5
Main coil of the travel switch control signal 11 by auxiliary reclay 14 after, passed to using the contact action of auxiliary reclay
Inside tank control cabinet 12.
High resistance measurement 7 selects to be determined according to formula below：
Wherein, U is electrolytic cell voltage-to-ground, and R is the resistance value of high resistance grounding, and I is the safe dc electricity for flowing through human body
Stream.
Electrolytic cell voltage-to-ground is that potroom complete series DC voltage is generally 1300V~1500V, and U takes full direct current
Pressure, be i.e. U=1500V, it is 5~30mA by the safe dc electric current I of human body is flowed through, then has
When taking R=50~300k Ω, the power P of resistance is
The device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding, main smoke discharging pipe are provided with manually-operated gate
4, the both ends of manually-operated gate 4 are respectively equipped with insulation tube 3, and one of insulation tube 3 is connected to electrolytic cell 10 by pipeline, another
Insulation tube 3 is connected with connecting pipe 2, and connecting pipe 2 stretches out outdoor to be connected with main smoke pipe 1；Secondary smoke discharging pipe is provided with motor-driven valve
Door 5, the both ends of electrically operated valve 5 are respectively equipped with insulation tube 3, and one of insulation tube 3 is connected to electrolytic cell 10 by pipeline, another
Individual insulation tube 3 is connected with connecting pipe 2, and connecting pipe 2 stretches out outdoor to be connected with secondary smoke pipe 9；Electrically operated valve 5 passes through copper core cable
8 are connected with manually-operated gate 4, and manually-operated gate 4 is connected by copper core cable 8 with one end of high resistance measurement 7, high resistance measurement 7
The other end be connected to and stretched out on outdoor connecting pipe 2 by copper core cable 8, connecting pipe 2 is metal connecting tube road, manually
Valve 4 and electrically operated valve 5 are just all connected by high resistance measurement 7 with the earth, i.e., the electrostatic induction voltage on valve is released
The electric path put.Copper core cable 8 is located in PVC protection pipes 6.
The travel switch control signal 11 of electrically operated valve 5 first passes through auxiliary reclay KA main coil, passes through centre afterwards
This control signal is sent into the control loop of tank control cabinet 12 by relay KA contact action.Auxiliary reclay serves electrical isolation
Effect, ensure that tank control cabinet reliability of operation and stability.
Claims (6)
1. the method for aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding, it is characterised in that do not leading ground potential
, will be electronic on the manually-operated gate in potroom on main smoke discharging pipe and secondary smoke discharging pipe in the case of entering electrolytic cell operation area
The metal shell of valve is connected by a high resistance measurement with the connecting pipe tube wall of outdoor, connecting pipe and outdoor main cigarette
Pipe connects, main smoke pipe reliable ground, after the control signal of electrically operated valve is isolated by auxiliary reclay, passes in tank control cabinet
Portion；High resistance measurement selection determines according to formula below：
<mrow>
<mi>I</mi>
<mo>=</mo>
<mfrac>
<mi>U</mi>
<mi>R</mi>
</mfrac>
</mrow>
Wherein, U is electrolytic cell voltage-to-ground, and R is the resistance value of high resistance grounding, and I is the safe dc electric current for flowing through human body；Electricity
It is that potroom complete series DC voltage is 1300V~1500V to solve groove voltage-to-ground, and U takes full DC voltage, i.e. U=1500V,
It is 5~30mA by the safe dc electric current I of human body is flowed through, then has
2. the method for aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding according to claim 1, its feature
It is after the main coil that the travel switch control signal of electrically operated valve passes through auxiliary reclay, utilizes the contact of auxiliary reclay
Action is passed to inside tank control cabinet.
3. the method for aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding according to claim 1, its feature
It is that, when taking R=50~300k Ω, the power P of resistance is
4. the dress according to claim 1 for aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding method
Put, it is characterised in that main smoke discharging pipe is provided with manually-operated gate, and the both ends of manually-operated gate are respectively equipped with insulation tube, and one of them is exhausted
Edge pipe is connected to electrolytic cell by pipeline, and another insulation tube is connected with connecting pipe, and connecting pipe stretches out outdoor and main smoke pipe
Connection；Secondary smoke discharging pipe is provided with electrically operated valve, and the both ends of electrically operated valve are respectively equipped with insulation tube, and one of insulation tube passes through
Pipeline is connected to electrolytic cell, and another insulation tube is connected with connecting pipe, and connecting pipe stretching is outdoor to be connected with secondary smoke pipe；It is electronic
Valve is connected by copper core cable with manually-operated gate, and manually-operated gate is connected by one end of copper core cable and high resistance measurement,
The other end of high resistance measurement is connected to by copper core cable to be stretched out on outdoor connecting pipe.
5. the dress according to claim 4 for aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding method
Put, it is characterised in that copper core cable is located in PVC protection pipes.
6. the dress according to claim 4 for aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding method
Put, it is characterised in that connecting pipe is metal connecting tube road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484340.6A CN105463507B (en) | 2014-09-22 | 2014-09-22 | The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410484340.6A CN105463507B (en) | 2014-09-22 | 2014-09-22 | The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding |
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| Publication Number | Publication Date |
|---|---|
| CN105463507A CN105463507A (en) | 2016-04-06 |
| CN105463507B true CN105463507B (en) | 2017-12-15 |
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| CN201410484340.6A Expired - Fee Related CN105463507B (en) | 2014-09-22 | 2014-09-22 | The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858704A (en) * | 2017-11-14 | 2018-03-30 | 中冶天工集团有限公司 | A kind of insulating method of aluminium cell smoking pipe |
| CN109347522B (en) * | 2018-09-20 | 2021-09-28 | 刘泰康 | Electromagnetic induction type information isolation transmission system based on magnetic line medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6356427B1 (en) * | 1999-04-27 | 2002-03-12 | Compaq Computer Corp. | Electrostatic discharge protection clamp for high-voltage power supply or I/O with high-voltage reference |
| CN1865512A (en) * | 2006-04-24 | 2006-11-22 | 沈阳铝镁设计研究院 | Computer on-line insulating monitoring and alarming system of AC power supply device in aluminum electrolysis shop |
| CN101435837A (en) * | 2008-12-15 | 2009-05-20 | 株洲天桥起重机股份有限公司 | Method and apparatus for detecting insulating resistance and releasing static electricity |
| CN201309970Y (en) * | 2008-10-31 | 2009-09-16 | 东北大学设计研究院（有限公司） | Large pre-bake anode aluminum electrolysis cell two-exhaust tube system |
| CN101907680A (en) * | 2009-06-04 | 2010-12-08 | 沈阳铝镁设计研究院 | Electrolysis direct current system online insulated monitoring device and a monitoring method |
| CN102573254A (en) * | 2010-12-17 | 2012-07-11 | 淄博高新区联创科技服务中心 | Electrostatic prevention method of plastic lined pipe |
| CN202841673U (en) * | 2012-09-26 | 2013-03-27 | 青岛盛泰安装建设工程有限公司 | System preventing static electricity from grounding |
| CN103105564A (en) * | 2011-11-14 | 2013-05-15 | 沈阳铝镁设计研究院有限公司 | Aluminum electrolytic cell series ground insulation intensity measuring circuit |
| CN103249236A (en) * | 2013-04-22 | 2013-08-14 | 无锡艾柯威科技有限公司 | Electrostatic discharge method and circuit of electrostatic generator |
| CN203279321U (en) * | 2013-03-28 | 2013-11-06 | 上海正泰太阳能科技有限公司 | De-electrostatic tool |
-
2014
- 2014-09-22 CN CN201410484340.6A patent/CN105463507B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6356427B1 (en) * | 1999-04-27 | 2002-03-12 | Compaq Computer Corp. | Electrostatic discharge protection clamp for high-voltage power supply or I/O with high-voltage reference |
| CN1865512A (en) * | 2006-04-24 | 2006-11-22 | 沈阳铝镁设计研究院 | Computer on-line insulating monitoring and alarming system of AC power supply device in aluminum electrolysis shop |
| CN201309970Y (en) * | 2008-10-31 | 2009-09-16 | 东北大学设计研究院（有限公司） | Large pre-bake anode aluminum electrolysis cell two-exhaust tube system |
| CN101435837A (en) * | 2008-12-15 | 2009-05-20 | 株洲天桥起重机股份有限公司 | Method and apparatus for detecting insulating resistance and releasing static electricity |
| CN101907680A (en) * | 2009-06-04 | 2010-12-08 | 沈阳铝镁设计研究院 | Electrolysis direct current system online insulated monitoring device and a monitoring method |
| CN102573254A (en) * | 2010-12-17 | 2012-07-11 | 淄博高新区联创科技服务中心 | Electrostatic prevention method of plastic lined pipe |
| CN103105564A (en) * | 2011-11-14 | 2013-05-15 | 沈阳铝镁设计研究院有限公司 | Aluminum electrolytic cell series ground insulation intensity measuring circuit |
| CN202841673U (en) * | 2012-09-26 | 2013-03-27 | 青岛盛泰安装建设工程有限公司 | System preventing static electricity from grounding |
| CN203279321U (en) * | 2013-03-28 | 2013-11-06 | 上海正泰太阳能科技有限公司 | De-electrostatic tool |
| CN103249236A (en) * | 2013-04-22 | 2013-08-14 | 无锡艾柯威科技有限公司 | Electrostatic discharge method and circuit of electrostatic generator |
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| CN105463507A (en) | 2016-04-06 |
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