27 results about "Metal analysis" patented technology

The invention discloses a waste metal fine sorting system and method based on laser-induced breakdown spectroscopy (LIBS). The system comprises a conveyor belt transportation module, a structured light visual identification module, a robot sorting module, an LIBS (laser-induced breakdown spectroscopy) detection module and a system control module. The structured light three-dimensional vision sensor is arranged in the mode that hands are outside eyes, scrap metal is conveyed into the visual field of the structured light three-dimensional vision sensor through a conveying belt, primary shooting is carried out, the position and posture of the scrap metal are recognized, and after the robot grabs the scrap metal and adjusts the posture, secondary shooting is carried out, and the optimal detection point of the scrap metal is calculated. And the pose of the scrap metal is adjusted so that the optimal detection point can coincide with the laser focus position, LIBS detection is conducted, and the scrap metal is put into a corresponding metal collecting box according to the detection result. The system can adapt to scrap metals with different sizes and forms, accurately extract a detection area, stably obtain a high-quality spectrum, and realize efficient and accurate scrap metal mark classification.

The present invention belongs to the field of metal analysis and determination, and specifically relates to a method for determining silver in gold ore. A method for decomposing and determining silver in gold ore of the present invention comprises the steps of: wetting the gold ore sample with pure water, adding Br2-H2O and NaCl, heating to a slightly boiling state, maintaining for a period of time, and then cooling to room temperature. The method adopts a bromine water-sodium chloride digestion system to analyze and determine the silver in the gold ore, establishes a field non-acid rapid, green, and efficient method for analyzing Ag, and solves the technical problems of reagent pollution and transportation and use risks brought about by the traditional acid method for measuring silver.

The utility model provides a batch operation clamp for fire assaying, and relates to the field of mineral precious metal analysis and detection. The device comprises a first clamping part far away from a mechanical arm (far end) and a second clamping part close to the mechanical arm (near end), and the opening of a first crucible clamping ring and the opening of a second crucible clamping ring are arranged in a certain taper, so that the fitting degree of the clamping rings and the crucible is improved, it is guaranteed that the crucible does not incline or fall off due to shaking in the transferring process, and the transferring efficiency of the crucible is improved. And the stability of the crucible in the transfer process is improved. The anti-clamping gasket is arranged on the first clamping part, so that the problem that the crucible is easily clamped by the crucible clamping ring at one end far away from the mechanical arm due to expansion of the clamp for fire assaying caused by high temperature is effectively solved. By arranging the positioning device, the purpose of clamping a crucible and a cupel tray by using one fixture is achieved, and the problem that tools need to be frequently replaced in the prior art is solved.

The utility model relates to metal analysis and detection technical field, concretely relates to a kind of metal composite material analysis and detection instrument, including fixed plate, fixed column, displacement component, feeding plate and detection component, fixed plate side is equipped with fixed column, the fixed column and the fixed plate are all equipped with displacement component, the displacement component is used to control the position of feeding plate and detection component by displacement motor, and then analysis and detection can be better carried out;Feeding plate and detection component are installed on the displacement component, and the detection component is used to analyze and detect metal composite material.

The invention is suitable for the technical field of metal analysis and detection, and provides a quantitative test method for the content of sodium in a palladium-carbon catalyst, and the quantitative test method for the content of sodium in the palladium-carbon catalyst comprises the following steps: mixing a palladium-carbon catalyst sample with a nitric acid aqueous solution to obtain a test solution; filtering the test solution, collecting filtrate, and measuring the content of sodium in the filtrate by using an inductively coupled plasma emission spectrum; wherein the concentration of the nitric acid aqueous solution is 5-15%. The sodium ions in the palladium-carbon catalyst sample are extracted by using the 5-15% nitric acid aqueous solution, and the sodium content in the filtrate is determined by combining the inductively coupled plasma emission spectrum, so that the operation is simple and rapid, the treatment time is short, and the accuracy and repeatability are good; the method is a pretreatment and quantitative analysis method for rapidly, efficiently and accurately measuring the sodium content in the palladium-carbon catalyst.

The invention relates to a standard sample for analyzing trace elements of a high-temperature alloy and a preparation method of the standard sample, and belongs to the field of nonferrous metal analysis. The standard sample comprises a master alloy CMSX-4 and 31 trace elements such as Ag, As, B, Bi, Cd, Ce, Cu, Ga, Gd, Ge, Hg, La, Mg, Mn, Nb, P, Pb, Pd, Pt, Ru, Se, Sb, Sc, Sn, Te, Tl, V, Y, Zn, Zr and Ir. The content of La, Ce, Y, Sc, Gd and Zr is 0.00001%-0.02%, the content of Mg, Nb, P, Se, Sb, Te and Tl is 0.00001%-0.002%, and the content of other trace elements is 0.00001%-0.001%. According to the preparation process provided by the invention, the obtained standard sample is uniform in particle size distribution, uniform in component, good in stability and accurate in fixed value.

The invention discloses a multi-parameter water quality heavy metal analysis method and device, and the method comprises the following steps: analyzing a to-be-detected water sample by using anodic stripping voltammetry, and respectively determining the lead content, cadmium content and copper content in the to-be-detected water sample; analyzing the to-be-detected water sample by adopting anodic stripping voltammetry, and determining the zinc content in the to-be-detected water sample; in the process of measuring the zinc content in the water sample to be measured, a masking agent containing Ga < 2 + > is added into the water sample to be measured, and the molar ratio of Ga < 2 + > in the added masking agent to copper in the water sample to be measured is (15-20): 1. According to the method, a bivalent Ga < 2 + > solution is added into a reaction system for detecting heavy metals by anodic stripping voltammetry as a masking agent, so that the interference of Cu on Zn in the detection process can be eliminated. According to the method, the masking agent is introduced, so that the four elements, namely lead, cadmium, copper and zinc, in the water sample can be rapidly determined through two-time anodic stripping voltammetry detection.

The application relates to the technical field of alkali metal analysis, in particular to a high-alkali coal alkali metal solidification characteristic analysis system, which comprises a boiler combustion system used for burning high-alkali coal to be measured; a collection system used for collecting flue gas, fly ash and ash residue in high-temperature flue gas after high-alkali coal combustion; and a data processing system comprising an alkali metal comprehensive analysis unit and a solidification characteristic analysis unit, wherein the alkali metal comprehensive analysis unit analyzes alkali metal data of the flue gas, alkali metal data of the fly ash and alkali metal data of the ash residue according to the collected flue gas, fly ash and ash residue, and the solidification characteristic analysis unit calculates the solidification characteristic of the high-alkali coal to be measured according to the alkali metal data of the flue gas, the alkali metal data of the fly ash and the alkali metal data of the ash residue. Thus, the problem that the current research on alkali metal solidification characteristics cannot quantitatively analyze alkali metals in flue gas, fly ash and ash residue, leading to inaccurate analysis of high-alkali coal alkali metal solidification characteristics, is solved.

The utility model relates to the technical field of soil heavy metal sampling, and discloses a sample collection device for heavy metal analysis, which comprises a base, and the top of the base is fixedly connected with two groups of support plates. According to the sample collection device for heavy metal analysis, through the arrangement of the storage mechanism, the fixed cylinder, an arc-shaped baffle plate and an adjusting mechanism, during sampling, an auger rod rotates and conveys soil into three groups of placement grooves formed in the fixed cylinder, a sealing door can be opened, sample soil is taken out for detection, the sealing door is loosened, and the sample collection device is convenient to use. The sealing door is automatically closed under the reverse acting force provided by the torsion springs on the two sides, soil can be stored in the containing groove before inspection, the situation that the soil is polluted, and the detection result is affected is avoided, then a hydraulic rod is started, and the hydraulic rod stretches out and draws back to adjust the angle of an arc-shaped baffle on a tail end fixing connector; in this way, soil splashing in the soil breaking process is prevented, and surrounding workers are prevented from being hurt by the splashed soil.

The utility model discloses a metal powder instant dissolving device for metal analysis, and relates to the technical field of metal detection. The grinding cup comprises a shell, a cup body is fixed in the shell, a grinding plate is arranged in the cup body, and a frosted layer is arranged on the lower wall of the grinding plate; a heating wire is arranged between the bottom of the shell and the cup body, a bottom shell is fixed to the lower wall of the shell, mounting sleeves are fixed to the lower wall of the bottom shell in a circumferential array mode, and moving rods are arranged in the mounting sleeves in a clearance fit mode. The grinding plate is extruded through the elastic piece, the grinding plate rotates to grind metal powder so as to improve the dissolving effect, the dissolving temperature is increased through the heating wire, meanwhile, the supporting area is enlarged through the moving rod, and the problems that in the prior art, when powder with the large particle size is dissolved, the dissolving effect is poor, and the dissolving effect is poor are solved. In the dissolving process, the dissolving speed is influenced by the influence of the environment temperature, and meanwhile, potential safety hazards are easily generated due to the toppling of the experiment container.

The invention provides a trace element dynamic calibration method and system of an X fluorescence spectrum precious metal analyzer. According to the method, firstly, in the precious metal analysis process, an internal reference standard is integrated into a precious metal sample; secondly, acquiring X fluorescence spectrum measurement data containing the characteristic signal of the internal reference standard and the characteristic signal of the trace element; comparing the characteristic signal intensity of the internal reference standard with preset reference intensity; finally, the obtained dynamic calibration parameters are used for correcting the trace element characteristic signals to complete dynamic calibration of the trace elements, and according to the technical scheme, instrument drifting and environment interference are effectively overcome, and the accuracy and result reliability of precious metal trace element analysis are improved.

The invention discloses a children liver injury and atmospheric heavy metal analysis system based on big data, relates to the technical field of children health monitoring, and aims to solve the problem that the risk of liver injury caused by atmospheric heavy metal exposure is more difficult to find and intervene in time for special children groups in the prior art. The system comprises a plurality of atmospheric heavy metal monitoring sensors, a liver injury data acquisition terminal, a data repeater, a big data analysis module and a visualization module, the atmosphere heavy metal monitoring sensor is used for collecting the heavy metal content in the atmosphere; and the liver injury data acquisition terminal is used for acquiring optical data of fingertip capillaries of special children so as to analyze liver function indexes. The method has the advantage that the risk of liver injury caused by atmospheric heavy metal exposure can be found and intervened in time for special children.

The utility model relates to the technical field of chemical metal analysis, in particular to a novel closed metal analysis sampling device which comprises a sampling tank, a to-be-detected steel cylinder, a helium steel cylinder and a nitrogen cylinder which are connected with the sampling tank through a main pipe, and a vacuum buffer bottle connected with the sampling tank through the main pipe, a gas chromatograph is arranged between the sampling tank and the helium steel cylinder, and a balance is arranged below the sampling tank. Therefore, the novel closed metal analyzing and sampling device is used for solving the technical problems that the complexity of subsequent analysis work is increased and the accuracy and the reliability of an analysis result are seriously damaged due to the fact that corrosion, residue or cross contamination is possibly caused to a sampling pipeline accidentally by the characteristics of a sample in the sampling process.

The utility model discloses a waste gas heavy metal collecting device in a high-temperature environment. The waste gas heavy metal collecting device comprises a cooling bin, a three-way collecting pipe and a metal analyzer, according to the device, cooling liquid is guided in from the water inlet until the whole cooling bin is filled, the negative pressure pump works, quantitative smoke is guided in from the collecting port and then transferred into the three-way collecting pipe through the spiral pipe and the third port, the spiral pipe guarantees the contact area of the smoke and the cooling liquid, and therefore the smoke is effectively cooled, and the cooling efficiency is improved. High-temperature flue gas is prevented from affecting normal work of the metal analyzer, flue gas in the three-way collecting pipe is detected through the metal analyzer, the front cover can be separated by subsequently separating the locking rod, and the spiral pipe can be independently disassembled and assembled by separating the collecting opening and the flange assembly between the input end of the negative pressure pump and the spiral pipe. The convenience in cleaning or replacement of the spiral pipe is ensured, so that the convenience in use of the high-temperature waste gas heavy metal collecting device is improved.

The invention discloses a metal structure crack energy efficiency degradation early warning method based on industrial big data, and relates to the technical field of metal analysis, and the method comprises the following steps: installing a strain and temperature sensor on the surface of a flange bolt, collecting high-frequency data in real time, and eliminating signal noise; virtual strain caused by temperature is separated from the original strain, and pure mechanical strain is extracted; dynamically calculating the axial force and the loss rate of the axial force relative to the initial pre-tightening force; the axial force loss rate is substituted into the fracture mechanical model, and the actual crack depth is solved through stress intensity factor iteration; combining the fracture toughness and the real-time temperature of the material to construct a self-adaptive early warning threshold value, and monitoring the loss rate overrun and the crack growth rate; multi-bolt axial force distribution is analyzed, abnormal bolt clusters are identified in a clustering mode, risk positions are marked in the digital twin model, and a work order is generated. Through a temperature strain decoupling and axial force crack depth equivalent conversion mechanism, crack initiation can be identified on line under the condition that the flange structure is shielded.

Methods and systems for sorting mixed metal scrap may first determine a sorting attribute of each article of metal scrap, and subsequently mark each article with a machine-readable or visually identifiable mark according to the sorting attribute. The articles of mixed metal scrap can be sorted along a high throughput conveyance using a series of sensors to scan the articles for the machine-readable marks, and rapidly sorting marked articles to appropriate sorting destinations based on detecting the machine-readable marks, and without requiring repeat identification by metal analyzers at the sorting step.

The utility model relates to the technical field of food safety detection, in particular to a device for continuously detecting soaking juice of pickled duck feet. Comprising a rack, a transmission belt, a heavy metal analysis and detection instrument, a first collection box, a second collection box, a limiting plate, a sampling mechanism, multiple groups of clamping assemblies and multiple groups of pushing parts, a driving assembly for driving the transmission belt to rotate is mounted on the rack; the multiple clamping assemblies are evenly distributed on the periphery of the transmission belt. The plurality of groups of pushing pieces are respectively mounted on the plurality of bases; the limiting plate is connected with the rack; the first collecting box and the second collecting box are both arranged below the transmission belt; the heavy metal analysis and detection instrument is mounted at the side part of the rack; and the sampling mechanism is mounted on the rack. According to the detection device, a plurality of samples can be continuously detected, redundant samples can be automatically discharged, automatic discharging work can be realized, and test tube fixing, detection, sample pouring and discharging can be synchronously carried out, so that the working efficiency of the detection device is improved.

The invention relates to a gas-liquid separation device for atomic fluorescence analysis and an atomic fluorescence heavy metal analyzer, the gas-liquid separation device comprises a tubular shell, the tubular shell is provided with a gas outlet and a liquid outlet, and the tubular shell is sequentially divided into a first cavity section, a second cavity section, a third cavity section and a fourth cavity section from bottom to top in the axial direction of the tubular shell; the second cavity section is communicated with the first cavity section through a first communicating pipe, an air inlet of the tubular shell is located in the second cavity section, the second cavity section is communicated with the third cavity section through a second communicating pipe, and a condensation cap is arranged at the air outlet end of the second communicating pipe to form a condensation channel communicated with the third cavity section. A liquid outlet of the third cavity section is communicated with the first cavity section through a first liquid discharge pipe; the third cavity section is communicated with the fourth cavity section through a third communicating pipe, the fourth cavity section is provided with a bent condensation channel, and a liquid outlet of the fourth cavity section is communicated with the first cavity section through a second liquid outlet pipe. The gas-liquid separation degree can be effectively improved, and the analysis precision can be improved.

The invention provides a precious metal and rare metal component content analyzer, which relates to the field of metal analyzers, and is characterized by comprising an analyzer body, a main control unit, a multi-frequency impedance detection unit, a conductivity detection unit, a display unit and a power supply unit, the main control unit is electrically connected with the multi-frequency impedance detection unit, the conductivity detection unit, the display unit and the power supply unit. The method has the advantages that the multi-frequency impedance and conductivity complementary detection technology is adopted, six kinds of high-value metal such as gold, silver, tungsten and molybdenum can be accurately recognized, and the detection error is not larger than 5%. Compared with traditional equipment, the cost of the whole machine is extremely low (lower than 200 yuan), and the machine is radiation-free, lossless and free of reagents. Besides, the instrument is designed to be portable and handheld, a built-in battery is used for supplying power, the instrument is particularly suitable for outdoor mobile recovery scenes, the problems that existing equipment is expensive, has radiation or is narrow in detection range are solved, and rapid, low-cost and high-precision on-site sorting and pricing are achieved.

The present disclosure relates to a system (100) for recycling metals from depleted batteries, the system includes a battery processor (102) configured to mechanically shred depleted batteries to produce black mass containing cathode and anode active material along with binders and recycle electrolyte solvents present in depleted batteries. A plastic processor (110) segregates plastic from metals, steel casing, and iron. A steel and iron processing unit (114) incorporating an eddy current with variable magnetic strength to segregate and recover steel and iron materials from the depleted batteries and a metal separation unit (116) having different sets of pulverizers and gravity separator for size classification and separation of the metals from the depleted batteries, with recovered metals exhibiting a metal assay falling within a predefined range of 98-99%.

The invention relates to a metal mine underground advanced water detection method, which comprises the following steps: S1, pre-judging the range and the relative position of a water source by adopting a transient electromagnetic method, S2, verifying the range and the relative position of the pre-judged water source by adopting a drilling method, S3, verifying by adopting short detection, and S4, carrying out metal analysis and comprehensive evaluation on data obtained in the S1, the S2 and the S3, so as to obtain an advanced water detection result. S5, integrating the hydrological information data in the step S4 to construct a water source distribution model, and evaluating the hydrogeological risk of the advanced region; according to a forecasting system of geophysical prospecting, drilling verification and comparison after excavation, namely a transient electromagnetic method, a drilling long-distance detection method and a down-hole detection method, the precision and efficiency of underground advanced forecasting are improved, and the risk of water inrush is reduced.

The utility model relates to a soil heavy metal analyzer convenient to grasp and hold, which belongs to the field of soil heavy metal analysis and comprises a metal analyzer body, a grab handle and a switch button, a protection mechanism is arranged on the outer wall of the metal analyzer body, and a handheld mechanism is arranged on the outer wall of the grab handle. The protection mechanism comprises a sealing ring which is fixedly connected to the peripheral wall of the metal analyzer body in a sliding manner, and a protection sleeve is fixedly mounted on the outer wall of the left side of the sealing ring. According to the soil heavy metal analyzer convenient to grasp and hold, through the action of the handheld frame and the fingerstall, a worker can hold the metal analyzer body conveniently, the metal analyzer body is prevented from falling off, and through the action of a sealing ring, a protective sleeve, a contact seat, a mounting seat, a threaded rod, a connecting rod, a limiting seat and a connecting seat, the metal analyzer body is prevented from falling off. The sealing ring and the protective sleeve are limited while moving to the left side, so that the contact seat is in contact with the ground, and the influence of X-ray fluorescence scattering on workers is greatly reduced.

The utility model discloses a metal block slitting device for metal analysis, and relates to the technical field of metal slitting. The cutting device comprises a clamping table and a cutting component, the clamping table comprises a vertical clamping assembly and a side jacking assembly, the cutting component comprises a cutting motor, a pushing air cylinder and a scrap splashing preventing assembly, a vertical plate is fixedly arranged on the table top of the clamping table, and the telescopic end of the pushing air cylinder is fixedly connected to a motor sleeve on the outer side of the cutting motor. The chipping anti-splashing assembly is connected to the outer side of a cutting blade on an output shaft of the cutting motor in a sleeving mode, the vertical clamping assembly is installed on the table top of the clamping table, and the side jacking assembly is installed on the plate face of a vertical plate. A sample is clamped through a movable clamping arm and a fixed clamping arm in the vertical clamping assembly, so that an ejecting disc in the side ejecting assembly is used for ejecting one end of the sample, and a cut and separated part is prevented from flying out to injure personnel; splashing crushed materials generated by cutting are blocked through the blade cover and fall down from the crushed material opening of the clamping table along the chip blocking curtain cloth on the two sides so that the crushed materials can be conveniently collected.

The application discloses a lake bottom sludge heavy metal analysis and detection device, relates to the technical field of lake bottom sludge heavy metal analysis and detection by using optical means, and discloses a lake bottom sludge heavy metal analysis and detection device, which comprises a detection box body, and a protection door is hinged to the front side of the detection box body. In the process of analyzing and detecting the lake bottom sludge heavy metal by means of ultraviolet light irradiation, the mutual cooperation of the liquid supply assembly, the lifting assembly and the transmission assembly enables the detector, the ultraviolet light source and the monochromator to always be located in the middle position of the liquid along with the rising of the sludge heavy metal solution liquid level in the sample pool, the influence of the liquid level on the light irradiation in the detection process is reduced through the control of the detection position, the accuracy of the detection is ensured, and in the detection process, the sludge heavy metal solution liquid level in the sample pool is extruded by the pressure supply assembly, the fluctuation range of the sludge heavy metal solution is reduced, and the accuracy of the detection is further ensured.

The invention discloses a lakebed sludge heavy metal analysis and detection device, and relates to the technical field of lakebed sludge heavy metal analysis and detection by optical means, the lakebed sludge heavy metal analysis and detection device comprises a detection box body, and a protective door is hinged to the front side of the detection box body. In the process of analyzing and detecting lakebed sludge heavy metals in an ultraviolet irradiation mode, the liquid supply assembly, the lifting assembly and the transmission assembly are matched with one another, so that the detector, the ultraviolet light source and the monochromator are always in the middle position of liquid along with the rising of the liquid level of a sludge heavy metal solution in the sample pool; by controlling the detection position, the influence of the liquid level on light irradiation in the detection process is reduced, the detection precision is ensured, in the detection process, extrusion force is generated on the liquid level of the sludge heavy metal solution in the sample pool through the pressure supply assembly, the fluctuation amplitude of the sludge heavy metal solution is reduced, and the detection precision is further ensured.

The utility model discloses a spectrograph for metal analysis, and relates to the technical field of spectrographs. The device comprises a disc-shaped instrument body, a display screen avoiding groove is formed in the peripheral side wall of the disc-shaped instrument body, and a metal analysis display screen is fixedly arranged in the display screen avoiding groove. The metal analysis display screen and the metal analysis probe can be shielded and protected respectively through the display screen shielding cover and the probe shielding cover by shifting the protective shielding cover anticlockwise around the connecting shaft, and the shielding of the metal analysis display screen and the metal analysis probe can be removed by shifting the protective shielding cover clockwise around the connecting shaft. The device is simple in structure and convenient to operate, and can further seal the joint of the display screen shielding cover and the disc-shaped instrument body and the joint of the probe shielding cover and the disc-shaped instrument body through the arranged sealing layer, so that the sealing shielding protection effect on the metal analysis display screen and the metal analysis probe can be further improved.