CN112415131A - Device and method for measuring gold content in industrial activated carbon - Google Patents
Device and method for measuring gold content in industrial activated carbon Download PDFInfo
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- CN112415131A CN112415131A CN202011310715.9A CN202011310715A CN112415131A CN 112415131 A CN112415131 A CN 112415131A CN 202011310715 A CN202011310715 A CN 202011310715A CN 112415131 A CN112415131 A CN 112415131A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 38
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000010931 gold Substances 0.000 title claims abstract description 29
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims abstract description 22
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000002378 acidificating effect Effects 0.000 claims abstract description 10
- 238000006479 redox reaction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000012286 potassium permanganate Substances 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000004448 titration Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 abstract description 9
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 238000003556 assay Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910003803 Gold(III) chloride Inorganic materials 0.000 description 2
- 229910004042 HAuCl4 Inorganic materials 0.000 description 2
- RJHLTVSLYWWTEF-UHFFFAOYSA-K gold trichloride Chemical compound Cl[Au](Cl)Cl RJHLTVSLYWWTEF-UHFFFAOYSA-K 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a device and a method for measuring gold content in industrial activated carbon, which belongs to the technical field of measuring devices, and particularly relates to a device and a method for measuring gold content in industrial activated carbon, which comprises a shell, a heating plate, a liquid separation bin and a micropump, wherein the heating plate and the liquid separation bin are arranged in the shell, four groups of guide tubes carrying the micropump are arranged in the liquid separation bin, and a control panel carrying a PLC is matched to realize the aim of separated quantitative liquid adding, so that the liquid adding is automated, the error is reduced, the contact is avoided, perchloric acid has strong oxidizing property, in a hot solution, the perchloric acid and carbon in a sample are subjected to oxidation-reduction reaction to generate chlorine gas which is easily dissolved in water, and the chlorine gas and H + are combined to generate HCl under an acidic condition to promote the subsequent reaction, so that the device and the device are suitable for measuring the performance of the activated carbon in wet test gold, and have the characteristics of short analysis, the damage to operators is small, the analysis of samples in large batch can be realized, and the labor intensity is greatly reduced.
Description
Technical Field
The invention relates to the technical field of determination devices, in particular to a device and a method for determining gold content in industrial activated carbon.
Background
The measuring device is a group of measuring instruments and auxiliary devices combined for measuring, and some auxiliary devices or tools for measuring.
The industrial activated carbon is black powdery, granular or pill-shaped amorphous porous carbon, the main component of which is carbon, and a small amount of oxygen, hydrogen, sulfur, nitrogen and chlorine are contained. The graphite adsorbent also has a fine structure like graphite, has small crystal grains, is irregularly stacked layer by layer, has a large surface area (500-1000 m & lt 2 & gt/g), has strong adsorption performance, and can adsorb gas, liquid or colloidal solid on the surface of the graphite adsorbent; for gas and liquid, the quality of the adsorption substance can be close to that of the activated carbon, the adsorption effect is selective, and the nonpolar substance is easier to adsorb than the polar substance. In the same series of substances, substances with higher boiling points are easier to adsorb, the higher the pressure is, the lower the temperature is, the higher the concentration is, the larger the adsorption amount is, and conversely, the pressure is reduced, and the temperature is increased, so that the desorption of gas is facilitated.
In the existing method for determining the gold content in an ore sample by an iodometry method, activated carbon is required to be used as an adsorbent to adsorb gold in the ore sample to complete gold enrichment, so that whether the activated carbon exists or not is accurately determined, and the method has great significance for assay analysis and detection.
In the operation, liquid needs to be added step by step to facilitate the reaction, but a separated quantitative liquid adding mode is lacked in the process, so that the automatic liquid adding effect in the determination process is difficult to improve, the error is high, the safety of direct contact is low, and meanwhile, the conventional sample dissolving method cannot completely dissolve the activated carbon, so that gold adsorbed in the activated carbon cannot be completely resolved and accurate determination cannot be carried out; although the fire assaying method can realize the purpose of accurate assay, the steps are complex and tedious, the labor intensity is high, and the assay of batch samples is not facilitated; the treatment process of the lead-containing waste gas is complicated and the cost is high.
Disclosure of Invention
The invention aims to provide a device and a method for measuring gold content in industrial activated carbon, which aim to solve the problems that in the prior art, liquid needs to be gradually added to facilitate reaction, but a separated quantitative liquid adding mode is lacked in the process, so that the automatic liquid adding effect in the measuring process is difficult to improve, the error is high, the safety of direct contact is low, and meanwhile, the conventional sample dissolving method cannot completely dissolve the activated carbon, so that gold adsorbed in the activated carbon cannot be completely resolved and cannot be accurately measured; although the fire assaying method can realize the purpose of accurate assay, the steps are complex and tedious, the labor intensity is high, and the assay of batch samples is not facilitated; the treatment process of the lead-containing waste gas is complex and high in cost.
In order to achieve the purpose, the invention provides the following technical scheme: a device for measuring gold content in industrial activated carbon comprises a shell, a heating plate, a liquid distribution bin and a micropump, wherein the bottom of an inner cavity of the shell is fixedly connected with a control plate and the heating plate through screws, the top of the inner cavity of the shell is fixedly connected with the liquid distribution bin through screws, the bottom of the inner cavity of the liquid distribution bin is connected with the micropump through a flange, a key plate is embedded on the front side wall of the control plate, keys are embedded on the front side wall of the key plate, a PLC is electrically connected to the rear side wall of the control plate, an electrical output end of the PLC is electrically connected with the micropump, a guide pipe is inserted into the top of the micropump, a pipe body is in threaded connection with the bottom of the micropump, a pipe body connecting ring is in threaded connection with the bottom of the pipe body, a telescopic pipe is in threaded connection with the, the circumference outer wall of flexible pipe has cup jointed the spring, the top of spring with the bottom welding of body go-between, the bottom of spring with the top welding of release head, the micropump with the quantity of body is four, four the micropump is the same with the overall structure of four body.
Preferably, the bottom of the shell is fixedly connected with a bottom plate through bolts, and the bottom of the bottom plate is adhered with a base.
Preferably, the top of the heating plate is fixedly connected with two heat insulation plates through screws.
Preferably, a display screen is embedded in the front side wall of the control panel.
Preferably, the top of the liquid separation bin is fixedly connected with a pipe fitting sleeve through a screw, and the circumferential outer wall of the pipe fitting is sleeved with the circumferential inner wall of the pipe fitting sleeve.
Preferably, the front side wall of the housing is fixedly connected with a shielding plate through screws.
A method for measuring gold content in industrial activated carbon comprises the following steps:
s1: accurately weighing 10 g-15 g of active carbon;
s2: selecting a muffle furnace, and placing the activated carbon in the muffle furnace for high-temperature roasting until no carbon color exists;
s3: transferring the roasted sample into a beaker, gradually adding appropriate amount of perchloric acid until the sample is completely dissolved, carrying out redox reaction with carbon in the sample in a hot solution to generate chlorine gas which is easily dissolved in water, and combining the chlorine gas with H + to generate HCl under an acidic condition to promote the subsequent reaction;
s4: placing the beaker on an electric stove plate for heating and dissolving, controlling the micropumps 400 by utilizing the PLC (programmable logic controller) behind the control board 210, sequentially adding 10-15 ml of 1+1 nitric acid, 0.2-0.5 g of ammonium bifluoride, 15-25 g of NaCl and 0.5-1 g of potassium permanganate into the four micropumps 400 and matching the four pipe bodies 420, and then carrying out enrichment separation and titration by adopting a traditional method.
Compared with the prior art, the invention has the beneficial effects that: the device and the method for measuring the gold content in the industrial activated carbon have the advantages that the heating plate and the liquid separation bin are arranged in the shell, four groups of guide tubes carrying micropumps are arranged in the liquid separation bin and are matched with a control board carrying a PLC, so that the aim of separated quantitative liquid adding is fulfilled, the automatic liquid adding effect in the determination process is improved conveniently, the error is reduced, direct contact is avoided, and perchloric acid has strong oxidizing property, in the hot solution, the chlorine gas can generate oxidation reduction reaction with carbon in the sample to generate chlorine gas which is easy to dissolve in water, under the acidic condition, the chlorine and H + are combined to generate HCl, the subsequent reaction is promoted, the method is suitable for the performance determination of the activated carbon in wet gold testing, the analysis time is short, the efficiency is high, and the like, the damage to operators is small, the analysis of samples in large batch can be realized, and the labor intensity is greatly reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal view of the overall structure of the present invention;
FIG. 3 is a schematic view of the release tube of the present invention.
In the figure: 100 shell, 110 bottom plate, 120 base, 130 baffle plate, 200 heating plate, 201 heat insulation plate, 210 control plate, 220 display screen, 230 key plate, 300 liquid separation chamber, 310 pipe sleeve, 400 micro pump, 410 guide pipe, 420 pipe, 421 pipe connecting ring, 430 telescopic pipe, 431 spring, 440 release head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a device and a method for measuring gold content in industrial activated carbon, which are characterized in that through the combined application of accessories, the purpose of separated quantitative liquid adding is conveniently realized, the automatic liquid adding effect in the measuring process is conveniently improved, the error is reduced, the direct contact is avoided, the analysis time is short, the efficiency is high, the labor intensity is low, and the analysis of a large batch of samples can be realized, please refer to fig. 1, fig. 2 and fig. 3, and the device comprises a shell 100, a heating plate 200, a liquid separating bin 300 and a micro pump 400;
referring to fig. 1 again, the bottom of the casing 100 has a bottom plate 110, specifically, the bottom of the casing 100 is fixedly connected to the bottom plate 110 by bolts, and a base 120 is adhered to the bottom of the bottom plate 110;
referring to fig. 2 again, the heating plate 200 is fixedly mounted to the housing 100, specifically, the bottom of the inner cavity of the housing 100 is fixedly connected to the control plate 210 and the heating plate 200 through screws, the front sidewall of the control plate 210 is embedded with the key plate 230, and the front sidewall of the key plate 230 is embedded with keys;
referring to fig. 2 again, the liquid separating bin 300 is fixedly connected with the housing 100, specifically, the top of the inner cavity of the housing 100 is fixedly connected with the liquid separating bin 300 through screws;
referring to fig. 3 again, the micropump 400 is connected with the liquid separating bin 300, specifically, the bottom of the inner cavity of the liquid separating bin 300 is connected with the micropump 400 through a flange, the rear side wall of the control board 210 is electrically connected with a PLC, the electrical output end of the PLC is electrically connected with the micropump 400, the top of the micropump 400 is inserted with the guide tube 410, the bottom of the micropump 400 is in threaded connection with the tube body 420, the bottom of the tube body 420 is in threaded connection with the tube body connecting ring 421, the bottom of the tube body connecting ring 421 is in threaded connection with the telescopic tube 430, the bottom of the telescopic tube 430 is in threaded connection with the releasing extension tube 440, the outer circumferential wall of the telescopic tube 430 is sleeved with the spring 431, the top of the spring 431 is welded with the bottom of the tube body connecting ring 421, the bottom of the spring 431 is welded with the top of the releasing;
a method for measuring gold content in industrial activated carbon comprises the following steps:
s1: accurately weighing 10 g-15 g of active carbon;
s2: selecting a muffle furnace, and placing the activated carbon in the muffle furnace for high-temperature roasting until no carbon color exists;
s3: transferring the roasted sample into a beaker, gradually adding appropriate amount of perchloric acid until the sample is completely dissolved, carrying out redox reaction with carbon in the sample in a hot solution to generate chlorine gas which is easily dissolved in water, and combining the chlorine gas with H + to generate HCl under an acidic condition to promote the subsequent reaction;
s4: the beaker is placed on an electric stove plate to be heated and dissolved, the PLC behind the control board 210 is used for controlling the micropumps 400, the four micropumps 400 are matched with the four pipe bodies 420, 10ml to 15ml of 1+1 nitric acid, 0.2g to 0.5g of ammonium bifluoride, 15g to 25g of NaCl and 0.5g to 1g of potassium permanganate are sequentially added, and then the traditional method is adopted for enrichment separation and titration.
When the activated carbon weighing device is used specifically, firstly, 10 g-15 g of activated carbon is accurately weighed; selecting a muffle furnace, and placing the activated carbon in the muffle furnace for high-temperature roasting until no carbon color exists; transferring the roasted sample into a beaker, gradually adding appropriate amount of perchloric acid until the sample is completely dissolved, carrying out oxidation-reduction reaction with carbon in the sample in a hot solution to generate chlorine gas which is easily dissolved in water, and combining the chlorine gas with H + to generate HCl under an acidic condition to promote the subsequent reaction; the beaker is placed on an electric stove plate to be heated and dissolved, the PLC behind the control board 210 is used for controlling the micropumps 400, the four micropumps 400 are matched with the four pipe bodies 420, 10ml to 15ml of 1+1 nitric acid, 0.2g to 0.5g of ammonium bifluoride, 15g to 25g of NaCl and 0.5g to 1g of potassium permanganate are sequentially added, and enrichment separation and titration are subsequently carried out by adopting a traditional method.
Referring to fig. 2 again, in order to improve the heat insulation effect, specifically, the top of the heating plate 200 is fixedly connected with two heat insulation plates 201 through screws, and the number of the heat insulation plates 201 is two.
Referring to fig. 1 again, in order to perform numerical control and display numerical values at the same time, in particular, a display screen 220 is embedded in a front sidewall of the control board 210.
Referring to fig. 2 and 3 again, in order to facilitate the installation of the pipe 410, specifically, the top of the liquid separation bin 300 is fixedly connected with a pipe sleeve 310 through a screw, and the circumferential outer wall of the pipe 410 is sleeved with the circumferential inner wall of the pipe sleeve 310.
Referring to fig. 1 again, in order to shield the inside of the housing 100, specifically, the shielding plate 130 is fixedly connected to the front side wall of the housing 100 by screws.
The synthesis of the above: the device and the method for measuring the gold content in the industrial activated carbon have the advantages that the heating plate and the liquid separation bin are arranged in the shell, four groups of guide tubes carrying micropumps are arranged in the liquid separating bin and are matched with a control board carrying a PLC (programmable logic controller), so that the aim of separated quantitative liquid adding is fulfilled, the automatic liquid adding effect in the measuring process is improved conveniently, the error is reduced, direct contact is avoided, and perchloric acid has strong oxidizability, in the hot solution, the chlorine gas can generate oxidation-reduction reaction with carbon in the sample to generate chlorine gas which is easy to dissolve in water, under the acidic condition, the chlorine and H + are combined to generate HCl, the subsequent reaction is promoted, the method is suitable for the performance determination of the activated carbon in wet gold testing, the analysis time is short, the efficiency is high, and the like, the damage to operators is small, the analysis of samples in large batch can be realized, and the labor intensity is greatly reduced.
Examples
A method for measuring gold content in industrial activated carbon comprises the following steps:
s1: accurately weighing 10g of activated carbon;
s2: selecting a muffle furnace, and placing the activated carbon in the muffle furnace for high-temperature roasting until no carbon color exists;
s3: transferring the roasted sample into a beaker, gradually adding appropriate amount of perchloric acid until the sample is completely dissolved, carrying out redox reaction with carbon in the sample in a hot solution to generate chlorine gas which is easily dissolved in water, and combining the chlorine gas with H + to generate HCl under an acidic condition to promote the subsequent reaction;
s4: the beaker is placed on an electric stove plate to be heated and dissolved, the PLC behind the control board 210 is used for controlling the micropumps 400, the four micropumps 400 are matched with the four pipe bodies 420, 10ml of 1+1 nitric acid, 0.2g of ammonium bifluoride, 15g of NaCl and 0.5g of potassium permanganate are sequentially added, and the traditional method is subsequently adopted for enrichment separation and titration.
Perchloric acid has a strong oxidizing property, and in a hot solution, it undergoes a redox reaction with carbon in a sample to produce a chlorine gas that is readily soluble in water. Under the acidic condition, chlorine and H + are combined to generate HCl, so that the subsequent reaction is promoted to be carried out, and the reaction equation is as follows:
4HClO4+7C→12Cl2↑+7CO2↑+2H2O
Cl2+H+→HCl+Cl-
Au+3HCl+HNO3→AuCl3+2H2O+NO↑
AuCl3+HCl→HAuCl4
HAuCl4→H++[AuCl4]-
when the activated carbon is used specifically, firstly, 10g of activated carbon is accurately weighed; selecting a muffle furnace, and placing the activated carbon in the muffle furnace for high-temperature roasting until no carbon color exists; transferring the roasted sample into a beaker, gradually adding appropriate perchloric acid until the sample is completely dissolved, carrying out redox reaction with carbon in the sample in a hot solution to generate chlorine gas which is easily dissolved in water, and combining the chlorine gas with H + to generate HCl under an acidic condition to promote the subsequent reaction; the beaker is placed on an electric stove plate to be heated and dissolved, the PLC behind the control board 210 is used for controlling the micropumps 400, the four micropumps 400 are matched with the four pipe bodies 420, 10ml of 1+1 nitric acid, 0.2g of ammonium bifluoride, 15g of NaCl and 0.5g of potassium permanganate are sequentially added, and the traditional method is subsequently adopted for enrichment separation and titration.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be combined in any suitable manner so long as no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all technical aspects falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a gold content's survey device in industry active carbon which characterized in that: the liquid distribution device comprises a shell (100), a heating plate (200), a liquid distribution bin (300) and a micro pump (400), wherein the bottom of an inner cavity of the shell (100) is fixedly connected with a control plate (210) and the heating plate (200) through screws, the top of the inner cavity of the shell (100) is fixedly connected with the liquid distribution bin (300) through screws, the bottom of the inner cavity of the liquid distribution bin (300) is connected with the micro pump (400) through a flange, a key plate (230) is embedded on the front side wall of the control plate (210), keys are embedded on the front side wall of the key plate (230), a PLC is electrically connected to the rear side wall of the control plate (210), an electrical output end of the PLC is electrically connected with the micro pump (400), a guide pipe (410) is inserted into the top of the micro pump (400), a pipe body (420) is connected to the bottom of the micro pump (400), and a pipe connecting ring (, the bottom of the pipe body connecting ring (421) is in threaded connection with a telescopic pipe (430), the bottom of the telescopic pipe (430) is in threaded connection with a release head (440), a spring (431) is sleeved on the outer wall of the circumference of the telescopic pipe (430), the top of the spring (431) is welded with the bottom of the pipe body connecting ring (421), the bottom of the spring (431) is welded with the top of the release head (440), the number of the micropumps (400) and the pipe bodies (420) is four, and the overall structures of the micropumps (400) and the pipe bodies (420) are the same.
2. The apparatus for determining gold content in industrial activated carbon according to claim 1, wherein: the bottom of the shell (100) is fixedly connected with a bottom plate (110) through bolts, and a base (120) is bonded to the bottom of the bottom plate (110).
3. The apparatus for determining gold content in industrial activated carbon according to claim 2, wherein: the top of the heating plate (200) is fixedly connected with two heat insulation plates (201) through screws, and the number of the heat insulation plates (201) is two.
4. The apparatus for measuring gold content in industrial activated carbon according to claim 3, wherein: the front side wall of the control panel (210) is embedded with a display screen (220).
5. The apparatus for measuring gold content in industrial activated carbon according to claim 4, wherein: the top of the liquid distribution bin (300) is fixedly connected with a pipe fitting sleeve (310) through a screw, and the circumferential outer wall of the pipe fitting (410) is sleeved with the circumferential inner wall of the pipe fitting sleeve (310).
6. The apparatus for measuring gold content in industrial activated carbon according to claim 5, wherein: the front side wall of the shell (100) is fixedly connected with a shielding plate (130) through screws.
7. A method of determining gold content in industrial activated carbon according to any one of claims 1 to 6, wherein: the method for measuring the gold content in the industrial activated carbon comprises the following steps:
s1: accurately weighing 10 g-15 g of active carbon;
s2: selecting a muffle furnace, and placing the activated carbon in the muffle furnace for high-temperature roasting until no carbon color exists;
s3: transferring the roasted sample into a beaker, gradually adding appropriate amount of perchloric acid until the sample is completely dissolved, carrying out redox reaction with carbon in the sample in a hot solution to generate chlorine gas which is easily dissolved in water, and combining the chlorine gas with H & lt + & gt to generate HCl under an acidic condition to promote the subsequent reaction;
s4: placing the beaker on an electric stove plate for heating and dissolving, controlling the micropumps (400) by utilizing the PLC (programmable logic controller) behind the control panel (210), sequentially adding 10 ml-15 ml of 1+1 nitric acid, 0.2 g-0.5 g of ammonium bifluoride, 15 g-25 g of NaCl and 0.5 g-1 g of potassium permanganate into the four micropumps (400) in cooperation with the four tube bodies (420), and then carrying out enrichment separation and titration by adopting a traditional method.
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| CN202011310715.9A CN112415131A (en) | 2020-11-20 | 2020-11-20 | Device and method for measuring gold content in industrial activated carbon |
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| CN202011310715.9A CN112415131A (en) | 2020-11-20 | 2020-11-20 | Device and method for measuring gold content in industrial activated carbon |
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