96 results about "Chemical test" patented technology

The invention provides a synchronous electrochemical test and hydrogen evolution test experimental device and method, and belongs to the field of metal corrosion research. The experimental device provided by the invention comprises a hydrogen evolution test module, an electrochemical test module and a control system module, and the control system module controls the hydrogen evolution test module and the electrochemical test module to work through circuit connection. By combining the hydrogen evolution test and the electrochemical test, the automatic accurate measurement of the hydrogen evolution amount in the metal corrosion process can be realized, the measurement of the corrosion rate, the corrosion potential and the charge transfer amount in the oxidation-reduction reaction can also be realized, and the problems of poor sustainability and low precision of the traditional hydrogen evolution test method are avoided; the hydrogen evolution test data and the electrochemical test data are automatically obtained while one-time sample preparation is realized.

The invention discloses a metal corrosion testing device and method for simulating a dynamic interface of supercritical CO2 and an aqueous solution, and belongs to the technical field of metal corrosion testing. The metal corrosion testing device comprises a reaction kettle, a temperature control system, a gas control system, a supercritical CO2 / aqueous solution interface simulation control system and an electrochemical testing system, the supercritical CO2 / water solution interface simulation control system comprises an electric push rod, a time relay and a sample holder; one end of the electric push rod penetrates through the kettle cover of the reaction kettle and is connected with the time relay; the time relay is used for controlling periodic reciprocating motion of the electric push rod; the electrochemical testing system comprises an electrochemical workstation and an electrochemical probe; the electrochemical workstation is connected with an electrochemical probe, and the electrochemical probe is arranged on the corrosion exposure experiment sample; the temperature control system is arranged in the reaction kettle, and the gas control system is connected with the reaction kettle. The technical problem that the metal corrosion of the dynamic interface of the supercritical CO2 and the aqueous solution cannot be accurately analyzed in the prior art is solved.

The invention relates to the technical field of thermal power plant data management, in particular to a chemical supervision and management method and system based on a thermal power plant, and the system comprises a regular task management module, a chemical test report inputting and editing module, a data auditing module and an abnormity early warning and processing module which are in communication connection in sequence. The regular task management module creates a chemical supervision task according to a thermal power plant technical standard criterion; the chemical test report inputting and editing module adopts a standardized report template to input chemical test report data according to the executed chemical supervision task; the data auditing module is used for regularly auditing the chemical test data report according to a multi-stage data auditing mechanism; and when abnormal data occurs in the chemical test data report, the abnormal early warning and processing module timely gives out early warning, rechecks the abnormal data, carries out data analysis and generates an analysis report, so that the chemical supervision work of the thermal power plant can be efficiently and accurately carried out.

1. The name of the design product: chemical test tube. 2. The use of the design product: for containing chemical reagents. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1. 5. Other circumstances that need to be explained: the A part is transparent material.

1. Name of the designed product: urine analyzer. 2. Use of the designed product: urine chemical test and analysis with urine test strip. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The utility model discloses a chemical test agent processing workbench, and relates to the technical field of chemical test agent processing, connecting rods are symmetrically arranged on the upper surface of a separation net, and the upper ends of the connecting rods are connected with limiting plates; an adsorption box is further installed on the upper surface of the top plate, connecting pipes are symmetrically arranged on the lower surface of the adsorption box and located in front of the top plate, the lower ends of the connecting pipes are connected with air inlet pipes, air suction heads are symmetrically arranged on the lower surfaces of the air inlet pipes, and two adsorption frames are arranged in the adsorption box; and a deodorizing box is arranged between the two groups of adsorption frames in the adsorption box. Through the arrangement of the adsorption box, the air inlet pipe, the connecting pipe, the air inlet head, the adsorption frames, the odor removal box, the fan and the air outlet, odor generated by processing of a chemical test agent can be doubly adsorbed through the two adsorption frames, and meanwhile the odor removal box can be used for purifying air; therefore, the harm to workers caused by the odor generated during the processing of the chemical test agent is avoided.

1. The name of the design product: circulating water type multi-purpose vacuum pump. 2. The use of the design product: the design product is used for evaporation, distillation and separation of chemical tests. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom of the design product is the part that is not easy to see or not visible during use, and the top view is omitted.

The present application belongs to the technical field of hydrogen storage material detection equipment, and particularly relates to a device for testing or analyzing hydrogen storage materials by means of their chemical or physical properties, and more particularly to a hydrogen storage material corrosion resistance detection device. The device comprises a hydrogen storage material detection box, a sealed detection seat, an electromagnetic valve, a high-pressure hydrogen cylinder, a hydrogen compressor and a hydrogen storage material to be detected. A sealed heat preservation box is fixedly installed on the inner side of the hydrogen storage material detection box, and the sealed detection seat is fixedly connected to the inner side of the sealed heat preservation box. The present application organically integrates high-pressure environment simulation and a three-electrode electrochemical test system through integrated design, and can complete corrosion condition adjustment and performance characterization without opening the sealed cavity. The hydrogen storage material to be detected is always in a simulated real service high-pressure, specific temperature and complex medium environment, fundamentally avoiding the change of corrosion state caused by the sample being separated from the original environment, and ensuring that the collected corrosion kinetics parameters, corrosion product film characteristics and other data are real and reliable.

The utility model relates to the field of chemical reaction devices, in particular to a chemical laboratory safety reaction device which comprises an operation table, an operation frame, a reaction device, a connecting device, a chemical test tube, a heating frame, a sealing cap, a threaded column and an injection agent pipe. A reaction device and a chemical test tube are installed in the operating table and the operating frame, a connecting device is installed on the upper side of the reaction device, three agent injection pipes are installed on the side wall of the reaction device, sealing caps are installed at the top ends of the agent injection pipes, and a heating frame is installed in the middle of the operating table; the reaction device can be stably fixed through the fixing table and the operation frame, it is guaranteed that the reaction device cannot shake in the chemical reaction process, and the experiment safety is improved.

Technologies for specialty chemical development and testing include devices and methods for normalizing historical specialty chemical test results and training a chemical composition predictor to predict chemical components of a formulation given a test condition and a normalized performance indicator based on the normalized test results. The specialty chemical may be a corrosion indicator, and the normalized performance indicator may be corrosion rate. The devices and methods may predict a predicted composition with the trained chemical composition predictor. the devices and methods may filter the normalized test results based on the predicted composition and train a formulation optimization predictor to predict a normalized performance indicator based on the filtered test results. The devices and methods may generate multiple candidate chemical formulations based on the predicted composition and predict a normalized performance indicator for each candidate chemical formulation with the trained formulation optimization predictor.

The application provides a chemical test tube rack for a thermal power plant. The chemical test tube rack for the thermal power plant comprises a support frame, a test tube placing mechanism and a drainage mechanism. The support frame comprises a horizontal bottom plate, a vertical support rod and a horizontal top plate connected in sequence. The test tube placing mechanism comprises a placing frame and a partition plate. The partition plate is arranged inside the placing frame to form a plurality of placing grooves for placing chemical test tubes. The placing frame is arranged obliquely and fixedly connected to the bottom of the horizontal top plate. The drainage mechanism is installed on the vertical support rod. A flow guide inclined plate is connected between the drainage mechanism and the placing frame. The flow guide inclined plate is used to guide waste liquid generated by the test tube placing mechanism to the drainage mechanism. The chemical test tube rack for the thermal power plant can avoid mutual influence between the chemical test tubes by arranging a plurality of placing grooves and placing each chemical test tube in a corresponding placing groove. Meanwhile, the oblique arrangement can facilitate the taking out and storage of each layer of chemical test tubes.

The utility model relates to the technical field of sampling devices for chemical tests, in particular to a liquid phase sampler for chemical tests, which comprises a protective tube, two ends of the protective tube are hollow, one end of the protective tube is provided with external threads, and the other end of the protective tube is provided with a finger blocking plate. The sampling mechanism is used for extracting liquid; the sampling mechanism comprises a screwing cover, an internal thread matched with the external thread is arranged on the inner wall of the screwing cover, and a plurality of extraction pipes and liquid storage pipes which are distributed in the circumferential direction are arranged on the screwing cover; through the arrangement of a plurality of extraction pipes, liquid storage pipes and extraction rods, the sampler does not need to be replaced during sampling, so that the time for replacing the sampler is saved, the sampler does not need to be replaced during a liquid dropping experiment, an experimenter can concentrate on observing the reaction process in an experimental apparatus, recording of complete experimental data is facilitated, and the experimental efficiency is improved. The recording error is further reduced, the accuracy of experimental data is improved, and the practicability is high.

The utility model relates to the technical field of chemical test instruments, in particular to an adjustable iron stand which comprises a base, a containing groove is integrally formed in the top face of the base, a side column is fixedly connected to one side of the base, a limiting sliding groove is formed in the middle of the side column, a lifting assembly is arranged in the limiting sliding groove, and the lifting assembly is fixedly connected with the side column. An eccentric adjusting assembly is arranged at the top of the lifting assembly, and a test tube clamping assembly is movably connected to the middle of the eccentric adjusting assembly; the eccentric adjusting assembly comprises a driving motor connected with the lifting assembly. According to the iron stand disclosed by the utility model, the inclination angle of the test tube can be changed through the eccentric adjusting component, and the test tube can do eccentric rotary motion in the heating process of the test tube, so that the purposes of heating while inclining, shaking up chemical substances in the test tube and changing the heating position of an alcohol lamp on the bottom end of the test tube are realized, and uniform heating is realized; and the test tube clamping assembly can adjust the distance between the two groups of test tube racks according to the test tubes with different lengths.

The present invention provides an electrochemical test strip (200) for detecting multiple indicators and a test method thereof. The electrochemical test strip includes a first biosensor (100) provided with an insulating substrate (1), a first electrode system, a first channel forming layer (4) and a first upper cover layer (5), and a second biosensor (101) provided with an insulating substrate (8), a second electrode system, a second channel forming layer (11) and a second upper cover layer (12). The first biosensor (100) and the second biosensor (101) are located on the front and back sides of the electrochemical test strip (200), respectively. A sample addition port (6) of the electrochemical test strip (200) is in liquid communication with a first channel forming area (55) of the first biosensor (100) and a second channel forming area (56) of the second biosensor (101), respectively.

The utility model relates to the technical field of chemical test analysis, and discloses a magnetic rotation full-automatic fiber dissolver which comprises a bottom plate, a first fixing table is fixedly connected to the left side of the top end of the bottom plate, a second fixing table is fixedly connected to the right side of the top end of the bottom plate, and a motor is fixedly connected to the top end of the first fixing table. The driving end of the motor penetrates through the top end of the first fixing table and is fixedly connected with a driving wheel, the right end of the driving wheel is connected with a driving wheel through a rotating assembly, the bottom end of the hyaluronic acid barrel is arranged at the top end of the driving wheel, and the bottom end of the inner wall of the hyaluronic acid barrel is rotationally connected with a driven wheel. According to the utility model, a magnetic transmission mode is adopted, a dissolving solution and fibers are rotationally stirred, vibration and noise generated during mechanical contact are avoided, the dissolving solution is added into the hyaluronic acid barrel through the peracid pipelines, an experimenter is prevented from being in contact with acidic and alkaline dissolving solutions, and the experiment efficiency is improved. The safety of experimenters is ensured.

The invention relates to the technical field of metal corrosion detection, in particular to a coated steel corrosion electrochemical testing device and method. The device comprises an electrolyte container, a sealing component, a hydrophilic porous material, a reference electrode, an auxiliary electrode, a Luggin capillary tube and a working electrode, the sealing component sleeves the lower port of the electrolyte container; the hydrophilic porous material is arranged at the lower port of the electrolyte container and is tightly attached to the surface of the to-be-tested coated steel member; the detection end of the reference electrode extends to the lower port of the electrolyte container through the Luggin capillary tube; the auxiliary electrode at least partially surrounds the reference electrode; and the working electrode is composed of a metal base material of the to-be-tested coated steel member. The coating steel corrosion electrochemical testing device can realize various corrosion electrochemical tests such as open circuit potentiometric method measurement, linear polarization resistance method measurement and electrochemical impedance spectroscopy measurement, and realizes judgment of coating degradation and steel corrosion conditions.

The application provides a laboratory multi-source data monitoring management method and system, and belongs to the technical field of laboratory data processing and state control. The method is applied to process monitoring of laboratory reaction equipment, and comprises the following steps: S100, acquiring a plurality of first monitoring data and a plurality of second monitoring data of a first type and a second type of monitoring sensor in a first time period; S200, determining a to-be-converted time domain data set and a non-converted time domain data set; S300, converting the to-be-converted time domain data set into a frequency domain data set; S400, constructing an N-order data analysis matrix; S500, performing stability analysis on the N-order data analysis matrix to obtain a process analysis result of the laboratory reaction equipment. The technical scheme can accurately judge whether the reaction process of the laboratory reaction equipment is stable based on multi-source multi-dimensional real-time sensing data of different domains, so as to provide a stable reaction environment for partial precision experiments, chemical test experiments and the like.

Laboratory device for chemical testing

The utility model provides a sampling device for physical and chemical inspection of barreled drinking water, and relates to the technical field of sampling for physical and chemical inspection. The sampling tube comprises a tube body I, a tube body II and a tube body III which are integrally formed, and the tube body II is positioned between the tube body I and the tube body III; the second pipe body is in a hollow circular truncated cone shape, the inner diameter of the first pipe body is the same as the inner diameter of the circle of the end, with the large circular truncated cone face, of the second pipe body, and the inner diameter of the third pipe body is the same as the inner diameter of the circle of the end, with the small circular truncated cone face, of the second pipe body. A sampling hole is formed in the end, away from the second pipe body, of the third pipe body and communicated with the second pipe body, and the hole diameter of the sampling hole is smaller than the inner diameter of the second pipe body. By arranging the sampling pipe and the sealing structure, the sealing structure is arranged to be in the form of the first sealing plug, the second sealing plug and the third sealing plug, the sealing convenience and the sealing effect can be improved, and efficient sampling is achieved.

The application discloses a device for in-situ testing of micro-area electrochemical performance of a sample under hydrostatic pressure, comprising: a high-pressure cavity unit, comprising a shell and a high-pressure cavity formed by the shell, the high-pressure cavity being used for at least a sample to be tested; an electrochemical detection unit, used for at least electrochemical measurement on a selected area of the sample to be tested; a sample transmission unit, in transmission cooperation with the sample to be tested, and used for at least driving the sample to be tested to move in the high-pressure cavity, so that the selected area of the sample to be tested corresponds to a probe of the electrochemical detection unit; and a hydrostatic pressure environment unit, used for at least injecting liquid into the high-pressure cavity, so as to form a hydrostatic pressure environment in the high-pressure cavity. The application solves the difficulty that current scanning microelectrochemical testing devices cannot be used for testing under hydrostatic pressure, and realizes scanning microelectrochemical testing under hydrostatic pressure.

The utility model relates to the technical field of adjusting assemblies, and discloses an applied chemical test bed multi-dimensional adjusting assembly which comprises an experiment table, the outer wall of the experiment table is fixedly connected with a fixing plate, the outer wall of the fixing plate is fixedly connected with a limiting track, a limiting groove is formed in the limiting track, and the limiting groove is fixedly connected with the fixing plate. The inner wall of the limiting rail is rotatably connected with a rotating wheel, the inner wall of the rotating wheel is rotatably connected with a rotating column, the interior of the limiting rail is slidably connected with a limiting column, the outer wall of the limiting column is fixedly connected with a sliding plate, and the outer wall of the sliding plate is fixedly connected with a penetrating column. The handheld column is pulled outwards to drive the penetrating column, the disc and the sliding plate to move, the sliding plate moves to enable the limiting column to be separated from the limiting groove, the limiting frame is pulled to drive the rotating column and other components to move, the handheld column is loosened after the handheld column is in place, the tension spring pulls the disc, the limiting column is made to clamp the limiting groove to be fixed, an experimenter can take a test tube conveniently, and the experiment efficiency is improved.

The utility model discloses a rapid cleaning device for a chemical test tube in a steel mill, which relates to the technical field of chemical test equipment and comprises a cleaning tube and a fixing plate, a plurality of water outlet holes are uniformly distributed on the side wall of the cleaning tube, an annular slot is arranged on the side wall of the fixing plate, and a limiting plate is mounted on the annular slot. The limiting plate is connected with an elastic spring arranged in the annular open groove, and the top surfaces of the fixing plate and the limiting plate are arranged to be bevel surfaces, so that the test tubes can slide into the fixing plate and the limiting plate conveniently. The limiting device is used for solving the problem that an external clamping test tube limiting device needs to be frequently adjusted during use, so that the test tube cleaning efficiency is reduced.

The application provides a spent fuel reprocessing high-temperature nitric acid full stress corrosion simulation experiment device, and relates to the technical field of spent fuel reprocessing. The device comprises an electric control system and a load loading system, a corrosion reaction system, an electrochemical test system, a temperature control system and a tail gas treatment system connected with the electric control system. The load loading system is used for loading various loads. The corrosion reaction system is composed of a glass reaction tank and a reaction tank cover. The reaction tank contains nitric acid solution for corrosion reaction of the sample. The sample penetrates the glass reaction tank and is sealed by a sealing kit. The electrochemical test system is arranged in the reaction tank cover and used for electrochemical test of the sample corrosion reaction. The temperature control system is used for adjusting and controlling the temperature of the sample corrosion reaction of the load loading system. The tail gas treatment system realizes treatment of the tail gas generated in the sample corrosion process. The device solves the problem that the stress corrosion test under high-temperature nitric acid cannot be carried out at present.

The invention, which belongs to the technical field of physical and chemical inspection code spraying, discloses a high-precision code spraying machine comprising a code spraying printing end, a transverse driving device, a vertical driving device and a sample injection bottle fixing plate. The transverse driving device comprises a first rotating driving motor, a rotating transmission rod, a first fixing seat, a Y-axis sliding rail and a Y-axis transmission belt; the code spraying and printing end is slidably mounted on the vertical driving device; and the sample injection bottle fixing plate is arranged at the lower end of the code spraying printing end. The high-precision ink-jet printer can realize automatic ink-jet printing on bottle bodies of small sample injection bottles, can be applied to ink-jet printing work of a plurality of small sample injection bottles, and greatly improves the detection experiment efficiency.

An automated colorimetric tube cleaning and drying device relates to the field of chemical testing auxiliary equipment technology. The device includes a horizontally positioned frustum. The upper surface of the frustum is divided into a water receiving area, a testing area, a water emptying area, a cleaning area, and a drying area by a partition groove. The lower surface is equipped with a warm air pipe, a cleaning pipe, and a water collection tank. An L-shaped rod is inserted through the center of the frustum, with a clamping device connected to its end. A flipping mechanism consisting of a conical toothed plate and a bevel gear is provided between the L-shaped rod and the frustum. A servo motor inside a support cylinder drives the L-shaped rod to rotate. The clamping device securely holds the colorimetric tube using an arc-shaped clamping plate and a compression spring, and works in conjunction with the various functional areas to complete the water receiving, testing, water emptying, cleaning, and drying operations. This device automates the processing of colorimetric tubes, shortens drying time, and improves testing efficiency, making it suitable for color and turbidity testing of chemical liquids.

The application discloses a manufacturing method of seamless pipe for small-bore UNS S32750 umbilical cable, and belongs to the technical field of material processing, which comprises the following steps: (1) hot piercing of round steel; (2) pickling of the hot-pierced blank; (3) performing incoming inspection, inner and outer surface grinding and re-inspection on the pipe blank; (4) performing multi-pass intermediate product cold rolling, and after the cold rolling, the intermediate product needs to be deoiled, heat treated, straightened, cut, ground and inspected; (5) performing head rolling, finished product cold drawing and head cutting; (6) performing finished product deoiling; (7) performing finished product heat treatment; (8) performing finished product straightening; (9) performing finished product ultrasonic vortex, water pressure, back straightening, fixed cutting, cleaning, end branch-by-branch PT and outer throwing, and sampling and performing physical and chemical tests during pipe cutting; and (10) performing finished product surface inspection, size inspection, cleaning, mark spraying and finishing processes on the obtained steel pipe, and finally performing packaging and warehousing, and the method has high first-time inspection qualified rate and high yield.

The invention provides a method for predicting coke quality in a single-hole top-loading coke oven coal blending coking industrial test, belongs to the technical field of coke oven coking, and solves the problem of insufficient accuracy and reliability of coke quality prediction in a small-sized test coke oven. Cleaning equipment and emptying the coal bunker of the coal storage tower, and supplying industrial test mixed coal to a specified coal bunker according to a ratio; the coal bunker with the low material selecting position is a test bunker, and the coal bunker and the coal charging car are cleaned after remaining coal is emptied; taking test coal by a coal charging car, selecting a carbonization chamber with 1-2 holes, pushing the carbonization chamber to be empty, loading the test coal, guiding out the coke after the coke is mature, quenching the coke, and unloading the coke to a coke airing table; cleaning a coke airing table, taking a coke sample with the lumpiness of more than 60mm and the weight of more than 60kg for inspection, and conveying the residual coke to a coke bin. The test coke is produced by the single-hole carbonization chamber, the quality of the industrially produced coke is predicted by detecting the quality data of the test coke, and the method is simple and convenient to operate and high in reliability.

1. The name of the design product: chemical test tube rack. 2. The use of the design product: for placing chemical test tubes. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. Name of the designed product: chemical test tube rack. 2. Use of the designed product: for placing chemical test tubes. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.