CN102830434A - Method for preparing solid nonpolarizing electrode - Google Patents
Method for preparing solid nonpolarizing electrode Download PDFInfo
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- CN102830434A CN102830434A CN2012102949892A CN201210294989A CN102830434A CN 102830434 A CN102830434 A CN 102830434A CN 2012102949892 A CN2012102949892 A CN 2012102949892A CN 201210294989 A CN201210294989 A CN 201210294989A CN 102830434 A CN102830434 A CN 102830434A
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Abstract
The invention discloses a method for preparing a solid nonpolarizing electrode. The method comprises the following steps of filling mixed raw material in a front body electrode, standing for 0.5-50 hours, and obtaining the solid nonpolarizing electrode, wherein the front body electrode is composed of a tube body, an electrode output line and a lead-tin alloy bar, and the mixed raw material is composed of the following components in parts by weight: 120-180 parts of sodium chloride, 5-30 parts of lead chloride, 800-1500 parts of gypsum and 300-1000 parts of water. Compared with the prior art, according to the method disclosed by the invention, the sodium chloride which is deliquescent when in water sucking is used as the raw material, the mixed raw material can be kept in a wetting state after the mixed raw material is in standing, the contact and the ion exchange between an electrolyte-the lead chloride at the inner part of the electrode and the soil medium at the outer part of the electrode can be realized, and the polarization difference is generated. The solid ninpolarizing electrode provided by the invention is convenient to carry and has a good stability. An experiment result shows that the polarization difference of the solid nonpolarizing electrode is below 1mV, and the polarization difference drifts below 0.1mV in 24 hours.
Description
Technical field
The present invention relates to the non-polarizing electrode technical field, more particularly, relate to a kind of preparation method of solid nonpolarizing electrode.
Background technology
Electrode is the key components in the monitoring earth electric field information measuring system, is widely used in fields such as earthquake precursor observation, the exploration of geophysics electrical method, engineering exploration, petroleum prospecting, hydrology exploration and the earth geomagnetic sounding.Electrode mainly comprises lead electrode, copper electrode and non-polarizing electrode etc., and wherein, lead electrode and copper electrode are the electrodes that generally uses, and non-polarizing electrode is mainly used in the high-acruracy survey aspect.
Non-polarizing electrode is the ground-electrode that a kind of special measurement potential difference (PD) is used, and it is used in combination the measurement current potential with electrical prospecting apparatus.At present; Non-polarizing electrode and application thereof have obtained report widely, and for example, pertinent literature has been reported a kind of preparation method of non-polarizing electrode; Comprise: galvanized wire is immersed contain the chlorination of switching in the 1% chemical pure Klorvess Liquid, obtain the lead chloride non-polarizing electrode.In addition, also reported a kind of preparation method of non-polarizing electrode in the prior art, may further comprise the steps: red copper bar is placed the biscuiting porcelain jar that fills copper/saturated copper sulphate solution, and copper rod conducts electricity through the ion by the copper-bath of biscuiting porcelain jar infiltration.The polarized potential difference of the non-polarizing electrode of this method preparation has also reduced the polarized potential of potential electrode itself to a certain extent in 1 millivolt.
The non-polarizing electrode of reported method preparation is liquid non-polarizing electrode in the above-mentioned prior art, and is not enough below this liquid state non-polarizing electrode exists: liquid non-polarizing electrode carry inconvenience; Wayward and the bad control of fluent meterial osmotic effect of the concentration of electrode must often be changed fluent meterial, thereby cause data measured unstable.
Summary of the invention
In view of this, the technical matters that the present invention will solve is, a kind of preparation method of solid nonpolarizing electrode is provided, and this solid nonpolarizing electrode is easy to carry, good stability.
In order to solve above technical matters, the present invention provides a kind of preparation method of solid nonpolarizing electrode, may further comprise the steps:
Can mixed material in precursor electrode; Leave standstill after 0.5 ~ 50 hour and obtain solid nonpolarizing electrode; Said precursor electrode is made up of body, electrode output line and terne metal rod, and said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 180 weight portions, 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and 300 ~ 1000 weight portions.
Preferably, be provided with hole bottom the said body.
Preferably, said electrode output line and terne metal rod are welded to connect.
The time of preferably, leaving standstill is 5 ~ 30 hours.
Preferably, said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 160 weight portions, 10 ~ 20 weight portions, the gypsum of 1000 ~ 1500 weight portions and 500 ~ 1000 weight portions.
Preferably, said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 125 weight portions, 10 weight portions, the gypsum of 1000 weight portions and 500 weight portions.
Preferably, said mixed material prepares according to following method:
The sodium chloride of 140 ~ 180 weight portions, the lead chloride of 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and the water of 300 ~ 1000 weight portions are mixed, stir, obtain mixed material.
Preferably, the time of said stirring is 0.5 ~ 20 hour.
Preferably, the extreme difference current potential of said solid nonpolarizing electrode is below 1mV.
Preferably, 24 of said solid nonpolarizing electrode hours extreme differences drift in below the 0.1mV.
The invention provides a kind of preparation method of solid nonpolarizing electrode; May further comprise the steps: can mixed material in precursor electrode; Left standstill 0.5 ~ 50 hour; Obtain solid nonpolarizing electrode, said precursor electrode is made up of body, electrode output line and terne metal rod, and said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 180 weight portions, 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and 300 ~ 1000 weight portions.Compared with prior art; The present invention adopts the sodium chloride that is prone to the suction deliquescence as raw material, thereby after mixed material left standstill, mixed material kept moisture state; Realize contacting and ion-exchange of electrode interior electrolyte lead chloride and outside soil media, produced polarize poor.Solid nonpolarizing electrode provided by the invention is easy to carry, good stability.Experimental result shows that the extreme difference current potential of this solid nonpolarizing electrode is below 1mV, and extreme difference drifted in below the 0.1mV in 24 hours.
Description of drawings
Fig. 1 is the solid nonpolarizing electrode structural representation of embodiment of the invention preparation.
Embodiment
Carry out clear, intactly description in the face of the technical scheme in the embodiment of the invention down, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The present invention provides a kind of preparation method of solid nonpolarizing electrode; May further comprise the steps: can mixed material in precursor electrode; Leave standstill after 0.5 ~ 50 hour and obtain solid nonpolarizing electrode; Said precursor electrode is made up of body, electrode output line and terne metal rod, and said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 180 weight portions, 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and 300 ~ 1000 weight portions.
In above-mentioned preparation process, with sodium chloride, lead chloride, gypsum and water composition as the mixed material composition.Wherein, lead chloride is as electrolyte; Gypsum is a kind of gummed material, has fixation; Sodium chloride is prone to the suction deliquescence, thereby after mixed material left standstill, mixed material kept moisture state, realizes the contact shoe and the ion-exchange of electrode interior electrolyte lead chloride and outside soil media, produced polarize poor.
Wherein, the present invention does not have special restriction to the preparation method of said precursor electrode, can adopt method well known to those skilled in the art to prepare.Preferably, said precursor electrode prepares according to following method: after electrode output line and the welding of terne metal rod, body is placed in outside the said terne metal rod, forms precursor electrode.
According to the present invention, said precursor electrode is made up of body, electrode output line and terne metal rod.Wherein, the present invention does not have special restriction for the material of said body, and the PVC material that can adopt those skilled in the art to know is as the housing use of non-polarizing electrode; Stupalith is preferably adopted in the bottom of said body.The electrode output line is the parts commonly used of non-polarizing electrode, and the electrode output line that the present invention adopts is preferably the red copper electric wire.Simultaneously, the terne metal rod has the effect of conduction.Said electrode output line is connected with terne metal rod preferred weld.
Said body bottom is provided with hole, and the present invention does not have special restriction for the size and the quantity of said hole, adopts size well known to those skilled in the art and quantity to get final product.The hole that is arranged at said body bottom can be convenient to iontophoretic injection for the pinprick size.
Among the present invention; Said mixed material preferably is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 160 weight portions, 10 ~ 20 weight portions, the gypsum of 1000 ~ 1500 weight portions and 500 ~ 1000 weight portions more preferably is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 125 weight portions, 10 weight portions, the gypsum of 1000 weight portions and 500 weight portions.Because mixed material is made up of sodium chloride, lead chloride, gypsum and water, and in can after precursor electrode, left standstill solid matter 0.5 ~ 50 hour thereby formation is white in color.The time that those skilled in the art are preferably left standstill according to the state selection of mixed material, its purpose is mixed material is carried out air dry, leaves standstill and forms the compounding substances of doing after 0.5 ~ 50 hour.Time of repose is the key factor that influences solid nonpolarizing electrode character, and time of repose is long then to cause hypohydration in the mixed material; Time of repose is too short then to cause excess moisture in the mixed material, causes reaching technical indicator.The said time of leaving standstill is preferably 6 ~ 24 hours, more preferably 10 ~ 50 hours.
The present invention does not have special restriction for the preparation method of said mixed material, can adopt method well known to those skilled in the art to prepare.As preferably, said mixed material prepares according to following method: the sodium chloride of 140 ~ 180 weight portions, the lead chloride of 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and the water of 300 ~ 1000 weight portions are mixed, stir, obtain mixed material.Wherein, the degree of uniformity of the mixed material of mixing time influence preparation, said mixing time is preferably 0.5 hour, more preferably 1 hour.
After the mixed material preparation is accomplished, can mixed material in precursor electrode.Owing in precursor electrode, need leave standstill behind the can mixed material and be used for air dry in 0.5 ~ 50 hour.
Fig. 1 is the structural representation of the solid nonpolarizing electrode of the present invention's preparation, and wherein, 1 is body, and 2 is the electrode output line, and terne metal rod and mixed material are not shown.In addition, this solid nonpolarizing electrode also preferably includes soft handle 3, is convenient to carrying and shifting of solid nonpolarizing electrode.
Can find out that from above scheme what the present invention prepared is the deficiency that solid nonpolarizing electrode has solved existing liquid non-polarizing electrode, good stability, extreme difference current potential are below 1mV, and extreme difference drifted in below the 0.1mV in 24 hours, and had easy to carry, simple to operate.
In order to further specify technical scheme of the present invention; Below in conjunction with embodiment the preferred embodiment of the invention is described; Describe just to further specifying feature and advantage of the present invention but should be appreciated that these, rather than to the restriction of claim of the present invention.
Embodiment 1
After red copper electric wire and the welding of terne metal rod, body is placed in outside the said terne metal rod, form precursor electrode;
The sodium chloride of 140 grams, the lead chloride of 5 grams, the gypsum of 800 grams and the water of 700 grams are mixed, stirred about 0.5 hour, obtain mixed material;
The said mixed material of can in precursor electrode left standstill 6 ~ 24 hours, obtained solid nonpolarizing electrode.
After red copper electric wire and the welding of terne metal rod, body is placed in outside the said terne metal rod, form precursor electrode;
The sodium chloride of 180 grams, the lead chloride of 30 grams, the gypsum of 1500 grams and the water of 1000 grams are mixed, stirred about 0.5 hour, obtain mixed material;
The said mixed material of can in precursor electrode left standstill 6 ~ 24 hours, obtained solid nonpolarizing electrode.
After red copper electric wire and the welding of terne metal rod, body is placed in outside the said terne metal rod, form precursor electrode;
The sodium chloride of 125 grams, the lead chloride of 10 grams, the gypsum of 1000 grams and the water of 500 grams are mixed, stirred about 0.5 hour, obtain mixed material;
The said mixed material of can in precursor electrode left standstill 6 ~ 24 hours, obtained solid nonpolarizing electrode.
Solid nonpolarizing electrode to present embodiment 1 ~ 3 preparation carries out performance measurement respectively, and the result is following:
1, the extreme difference current potential of solid nonpolarizing electrode is below 1mV.
2,24 of solid nonpolarizing electrode hours extreme differences drift in below the 0.1mV;
3,30 minutes short periods noise: smaller or equal to 0.01mv;
4,30 days stability: smaller or equal to 1mv;
5, frequency range: 0 to 10kHz;
6, temperature range :-10 ℃ ~ 40 ℃.
Can find out the solid nonpolarizing electrode good stability of present embodiment preparation from above embodiment and result.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. the preparation method of a solid nonpolarizing electrode is characterized in that, may further comprise the steps:
Can mixed material in precursor electrode; Leave standstill after 0.5 ~ 50 hour and obtain solid nonpolarizing electrode; Said precursor electrode is made up of body, electrode output line and terne metal rod, and said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 180 weight portions, 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and 300 ~ 1000 weight portions.
2. preparation method according to claim 1 is characterized in that, said body bottom is provided with hole.
3. preparation method according to claim 1 is characterized in that, said electrode output line and terne metal rod are welded to connect.
4. preparation method according to claim 1 is characterized in that, the time of leaving standstill is 5 ~ 30 hours.
5. preparation method according to claim 1 is characterized in that, said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 120 ~ 160 weight portions, 10 ~ 20 weight portions, the gypsum of 1000 ~ 1500 weight portions and 500 ~ 1000 weight portions.
6. preparation method according to claim 1 is characterized in that, said mixed material is grouped into by following one-tenth: the water of the lead chloride of the sodium chloride of 125 weight portions, 10 weight portions, the gypsum of 1000 weight portions and 500 weight portions.
7. preparation method according to claim 1 is characterized in that, said mixed material prepares according to following method:
The sodium chloride of 140 ~ 180 weight portions, the lead chloride of 5 ~ 30 weight portions, the gypsum of 800 ~ 1500 weight portions and the water of 300 ~ 1000 weight portions are mixed, stir, obtain mixed material.
8. preparation method according to claim 7 is characterized in that, the time of said stirring is 1 ~ 20 hour.
9. preparation method according to claim 1 is characterized in that, the extreme difference current potential of said solid nonpolarizing electrode is below 1mV.
10. preparation method according to claim 1 is characterized in that, 24 hours extreme differences of said solid nonpolarizing electrode drift in below the 0.1mV.
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| CN2012102949892A CN102830434A (en) | 2012-08-17 | 2012-08-17 | Method for preparing solid nonpolarizing electrode |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242303A (en) * | 2015-09-17 | 2016-01-13 | 曾雄飞 | Element for receiving mechanics information of earth's crust |
| CN105785449A (en) * | 2014-12-18 | 2016-07-20 | 中国矿业大学(北京) | Electrolyte, preparation method and use of electrolyte |
| CN107102362A (en) * | 2017-05-09 | 2017-08-29 | 中国地质大学（武汉） | A kind of Ag/AgCl solid nonpolarizing electrodes and preparation method thereof |
| CN107843930A (en) * | 2017-12-22 | 2018-03-27 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of solid nonpolarizing electrode and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006284519A (en) * | 2005-04-05 | 2006-10-19 | National Institute Of Advanced Industrial & Technology | Method of installing nonpolarizable electrode to bed rock or ground, and electric survey method or electromagnetic survey method using the same |
| CN200962458Y (en) * | 2006-10-17 | 2007-10-17 | 陆阳泉 | Solid non-polarization pole |
-
2012
- 2012-08-17 CN CN2012102949892A patent/CN102830434A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006284519A (en) * | 2005-04-05 | 2006-10-19 | National Institute Of Advanced Industrial & Technology | Method of installing nonpolarizable electrode to bed rock or ground, and electric survey method or electromagnetic survey method using the same |
| CN200962458Y (en) * | 2006-10-17 | 2007-10-17 | 陆阳泉 | Solid non-polarization pole |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785449A (en) * | 2014-12-18 | 2016-07-20 | 中国矿业大学(北京) | Electrolyte, preparation method and use of electrolyte |
| CN105242303A (en) * | 2015-09-17 | 2016-01-13 | 曾雄飞 | Element for receiving mechanics information of earth's crust |
| CN107102362A (en) * | 2017-05-09 | 2017-08-29 | 中国地质大学（武汉） | A kind of Ag/AgCl solid nonpolarizing electrodes and preparation method thereof |
| CN107102362B (en) * | 2017-05-09 | 2021-03-19 | 中国地质大学（武汉） | Ag/AgCl solid nonpolarized electrode and preparation method thereof |
| CN107843930A (en) * | 2017-12-22 | 2018-03-27 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of solid nonpolarizing electrode and preparation method thereof |
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Application publication date: 20121219 |