71 results about "Mixing ratio" patented technology

A method includes introducing a first material component having a first permittivity and a second material component having a second permittivity to a mixing unit. The first and second material components are advanced through the mixing unit at a mixing ratio to form a material component mixture that is dispensed from the mixing unit. A third permittivity of the material component mixture, which is related to the first permittivity, the second permittivity, and the mixing ratio, is determined. The third permittivity is compared to a predetermined permittivity, which is related to the first permittivity, the second permittivity, and a predetermined mixing ratio. If the third permittivity differs from the predetermined permittivity by a threshold limit or more than the threshold limit, a corrective response is generated.

The invention discloses a high-arsenic hot spring replenishment surface water resource quantity determination method, device and equipment, a medium and a product, and relates to the technical field of water resource evaluation and ecological environment protection. The method comprises the following steps: acquiring information data of a target research area; screening symbolic characteristic parameters of the information data by adopting a statistical analysis method and geochemical diagrams to obtain screened information; based on the law of conservation of mass and the end member mixing theory, a multivariate mixing model is constructed according to the screening information; solving the multivariate mixed model by adopting a least square method to obtain a mixing ratio; the mixing ratio is used for analyzing spatial distribution characteristics of the mixing process of the high-arsenic hot spring and the surface water in combination with water flow path survey information; and determining the replenishment resource quantity of the high-arsenic hot spring according to the mixing proportion. The method aims at improving the accuracy and efficiency of determining the surface water resource quantity supplied by the high-arsenic hot spring.

A method for separating a fluorocarbon gas, the method including feeding a mixed gas that includes two or more kinds of fluorocarbon gases having different molecular diameters from each other to a porous membrane and separating a gas composition in which a mixing ratio of one kind of a fluorocarbon gas selected from the two or more kinds of fluorocarbon gases is increased or a single gas, where the porous membrane includes a zeolite.

The application relates to the field of concrete mixing ratio experiments, in particular to a mixing ratio experiment device and method for ultra-high performance concrete, which comprises a round mold, a feeding cylinder, a limiting assembly, a baffle, a driving assembly, a mounting plate, a knocking hammer, a knocking assembly and a bottom plate. The limiting assembly is used for quickly locking the feeding cylinder and the round mold through cooperation of a pull rod, a spring, a rotating disc, a driving groove, a driving rod and a limiting block; the driving assembly is used for driving the baffle to be synchronously opened and closed through transmission of a knob, a first rotating rod, a cone wheel set and a threaded rod, so that mechanical scraping is realized; and the knocking assembly is used for realizing alternate knocking of the round mold through linkage of a rotating handle, a third rotating rod, a push block, a connecting rod and the knocking hammer. The application has the advantages of convenient assembly and disassembly, reliable sealing, accurate scraping, high efficiency and the like, effectively eliminates bubble interference and human errors, and improves the accuracy, reliability and operation efficiency of the slump experiment of the ultra-high performance concrete.

The utility model discloses a gas state monitor for displaying the mixing ratio of mixed gas, which relates to the technical field of electric power and comprises a body and a connector, the body comprises a shell, a gas state detection component and an intelligent processing unit, the gas state detection component and the intelligent processing unit are mounted in the shell, and the connection direction of the connector is the side wall or the rear part of the shell. One end of the connector is connected with the gas state detection assembly, the gas state detection assembly is electrically connected with the intelligent processing unit, and the intelligent processing unit is used for carrying out data processing on the gas characteristics of the mixed gas detected by the gas state detection assembly and obtaining the mixing ratio of the mixed gas; and the intelligent processing unit can output the obtained mixing ratio data of the mixed gas. According to the utility model, the mixed gas density and the mixed gas mixing ratio can be monitored, and the safe operation of a power grid is ensured.

The invention provides a performance adjusting method and system for a mixing ratio continuously adjustable steam generator, and belongs to the technical field of liquid rocket engine tests. According to the method, a mapping model of the mixing ratio, flow and steam parameters is established, a reference working medium is selected to be kept constant, and non-reference working medium flow is calculated to achieve mixing ratio stepless adjustment; the mixing ratio is kept stable through differential pressure closed-loop control; independently adjusting the water working medium to correct the steam temperature; and the optimal mixing ratio is searched in a steady state. Stepless continuous adjustment of the mixing ratio and decoupling control of the total flow of a working medium are achieved, and the problem that traditional grading adjustment is insufficient in precision is solved. The influence of pipeline resistance fluctuation is eliminated through a pressure difference closed loop, and the stability of the adjusting process is guaranteed; independent temperature adjustment of the water working medium avoids mutual interference with the mixing ratio, and the steam quality is improved; and the combustion efficiency and the system performance are remarkably improved through the steady-state optimization function.

Method, for example implemented by computer means, for determining an improved surface adapted for a progressive addition lens, wherein the method comprises: - obtaining an initial surface adapted for the progressive addition lens, - determining a smoothed surface based on the initial surface, - determining a mixing ratio map between the smoothed surface and the initial surface at each point of the initial and smoothed surfaces, the mixing ratio map being determined so as to exclude a primary viewing zone of the initial surface, - determining an improved surface adapted for the progressive addition lens by mixing the initial surface and the smoothed surface on a point-by-point basis using the determined mixing ratio map.

The invention provides a method and equipment for determining the proportion of multiple fused salt components, a medium and a product, and relates to the technical field of fused salt materials. The method comprises the following steps: determining a plurality of pure components forming the multi-element molten salt, and determining an interaction coefficient between any two pure components; determining a plurality of mixing ratios of the multi-element molten salt based on the plurality of pure components; and based on the multiple mixing ratios and the interaction coefficient between any two pure components, respectively determining melting enthalpies corresponding to the multiple mixing ratios, and determining the mixing ratio with the maximum melting enthalpy in the multiple mixing ratios as the component ratio of the multi-element molten salt. According to the method, the melting enthalpy error caused by the interaction of anions in the molten salt system is corrected through the interaction of different pure components, rapid prediction of the melting enthalpy of the multi-element mixed molten salt is achieved, the prediction precision of the melting enthalpy is remarkably improved, and the method is suitable for the complex multi-element mixed molten salt system.

This utility model relates to the field of mining engineering equipment technology, and in particular to an intelligent control device for mine filling. It includes a base, a main control box fixedly connected to the top of the base, and two conveying barrels mirror-distributed around the main control box. Flange pipes communicating with the inner walls of the two conveying barrels are fixedly connected to the tops of the two conveying barrels. Flow meters are fixedly connected to the inner walls of the flange pipes. A mixing tank is installed on the outer wall of the base, and a stirring rod is rotatably connected to the inner wall of the mixing tank. A liquid level sensor is fixedly connected to the inner wall of the mixing tank. The flow meter collects the material conveying volume of the main material bin and the auxiliary material bin in real time. The controller automatically compares the actual conveying ratio with the set value, avoiding the mixing ratio error caused by manual observation of material level and manual speed adjustment, ensuring that the ratio of main material to auxiliary material remains stable within a reasonable range. A concentration sensor monitors the mixing state of the filling slurry in the mixing tank, ensuring the basic quality of the filling slurry and improving the strength stability of the filling material.

The invention provides a high-pressure mixed gas preparation method considering temperature and pressure influences, and relates to the technical field of unconventional natural gas extraction. Comprising the following nine steps: determining constant parameters, determining proportioning concentration, initializing a pressure value, calculating the partial pressure of each component of mixed gas, vacuumizing a device, filling a component I gas, vacuumizing a pipeline, filling a component I gas and analyzing the components of the gas. According to the method, the partial pressure of each component gas is accurately calculated in combination with the compression factor, so that high-precision and flexible preparation of the mixed gas components can be realized, high cost caused by frequent purchase of prefabricated gas is avoided, trace gas can be accurately prepared according to actual requirements, and gas consumption and cost are greatly reduced. And meanwhile, the repeatability and the reliability of the gas preparation process are improved, and the device is particularly suitable for experiment conditions of high pressure and various gas components.

The invention discloses a method and a system for calculating the mixing proportion of multi-end-member water mass mixed particles. The method comprises the following steps: calculating the contribution proportion of each water mass end member of a mixing area by adopting an isotope mixing model; generating initialization information of a multi-end-member water mass mixed particle model by using the delta < 18 > O and salinity of each end member and derivative information; based on the contribution proportion and the initialization information, constructing a multi-end-member water mass mixed particle model; simulating a simulated delta < 18 > O-salinity linear relation of a mixing area under all iterative mixing proportion combinations based on a multi-end-member water mass mixed particle model; and calculating the mixing ratio of each end member by comparing the simulated delta 18O-salinity linear relationship with the actual delta 18O-salinity linear relationship. According to the method, the multi-end-member water mass mixed particle model is constructed, and iterative calculation and fluctuation simulation are combined, so that accurate quantification of a water mass mixing ratio and quantitative analysis of mixing sufficiency are realized.

Water softener includes a soft water tank, a neutralization tank, bypass flow path that sends, as untreated water, raw water to a downstream side of the neutralization tank without passing the raw water through the soft water tank and the neutralization tank, mixer that mixes the untreated water sent from bypass flow path and the neutralized soft water sent from the neutralization tank to generate mixed water, flow rate adjustment unit that adjusts a supply amount of at least one of the untreated water and the neutralized soft water to mixer, and controller that controls a mixing ratio between the untreated water and the neutralized soft water by flow rate adjustment unit. Controller includes mixing ratio determination unit that determines the mixing ratio between the untreated water and the neutralized soft water based on instruction information related to at least one of a regeneration time during which a regeneration process can be performed and a water softening degree of the mixed water, and flow rate controller that adjusts the supply amount to be adjusted by flow rate adjustment unit such that the mixing ratio determined by mixing ratio determination unit is obtained.

This application relates to a method, system, terminal, and medium for producing lightweight aggregates based on hazardous waste, belonging to the field of hazardous waste treatment technology. The method includes: obtaining information on the type of hazardous waste; pre-treating the hazardous waste according to the type information to obtain waste to be processed; collecting the chemical composition and elemental content of the waste to be processed; generating a mixing ratio and an auxiliary material ratio based on the chemical composition and elemental content, using a preset processing standard as a reference; mixing the waste to be processed according to the mixing ratio, and adding auxiliary materials according to the auxiliary material ratio to form a mixed waste; and sintering the mixed waste to obtain lightweight aggregates. This application has the effect of improving the sintering effect of lightweight aggregates.

The application relates to the technical field of industrial control, and discloses a control method for hydrogen production from natural gas, which comprises the following steps: obtaining historical correlation information and real-time process parameters of raw material natural gas; determining a load prediction result of the raw material natural gas based on the historical correlation information; determining a target mixing ratio of steam and carbon and an actual mixing ratio of steam and carbon according to the real-time process parameters and the load prediction result; generating a feedforward control signal according to the load prediction result; generating a feedback control signal according to the deviation between the target mixing ratio and the actual mixing ratio; superimposing the feedforward control signal and the feedback control signal into a target control signal, and adjusting a steam pipeline and a fuel gas pipeline according to the target control signal. Through the technical scheme, the problems of control lag of the mixing ratio of steam and carbon and low hydrogen production efficiency in the related art are solved, the timeliness of the control of the mixing ratio of steam and carbon is improved, and the hydrogen production efficiency is improved.

Provided is an analysis method enabling accurate estimation of the types, amounts, and mixing ratios of fillers present in an elastomer composition, including whether the sample contains two or more fillers. The present disclosure relates to an analysis method including estimating the type, amount, and mixing ratio of at least one filler in an elastomer composition containing an elastomer component and the filler, the method including estimation based on the property, particle size, and particle size distribution of the filler.

The present application relates to a kind of verification method and device of mixed gas density relay with humidity detection function, belong to density relay verification technical field, solve the problem that humidity and gas mixing ratio cannot be detected simultaneously when carrying out density relay verification in existing.The method comprises: in the verification chamber, fill mixed gas to pressure balance;The verification chamber is cooled by refrigeration, the actual pressure in the verification chamber, actual temperature, the light energy value of light after the action of the verification chamber, and the measured pressure read by the pressure sensor of density relay;During the cooling process, the pressure sensor of density relay is verified by comparing actual pressure and measured pressure;The humidity detection and mixing ratio detection of mixed gas in the verification chamber are carried out in turn by monitoring the multiple change rates of light energy value.Various tasks are integrated, and the comprehensive operation and maintenance efficiency is improved.

To enable accurate measurement of a flow rate of a gas flowing in a non-metallic tube. An ultrasonic flowmeter includes a first wedge member having a first angle, a second wedge member having a second angle, and a flow rate measurement unit that measures a flow rate of a gas based on a propagation time difference of a longitudinal wave excited by a tube. The first angle and the second angle are configured such that the tube excites both a longitudinal wave and a shear wave, and a mixing ratio of the shear wave to the longitudinal wave is 10% or less.

The utility model provides an acid mixing system for improving DHF concentration stability, which comprises a mixing tank used for mixing a first solution and a second solution; one end of the first supply pipeline is connected with a first solution source, the other end of the first supply pipeline is connected to the mixing tank, a first valve and a first flow meter are arranged on the first supply pipeline, and the first solution flows through the first flow meter and then flows through the first valve; one end of the second supply pipeline is connected with a second solution source, the other end of the second supply pipeline is connected to the mixing tank, and a second valve and a second flow meter are arranged on the second supply pipeline; and the feedback control module is used for receiving a flow signal monitored by the first flow meter and controlling the opening degree of the first valve according to the flow signal. The feedback control module receives a flow signal of the first flow meter and controls the opening degree of the first valve, so that the flow of the first solution is accurately regulated and controlled, the mixing proportion change is reduced, and the DHF concentration stability is remarkably improved.

An analyzing method includes: an elution step of introducing a sample containing a target component as a modified nucleoside having hydrophobicity increased by modification and a reference component as a component different from the target component into a column, and separating the target and reference components by gradient elution; a step of detecting the target and reference components by mass spectrometry; and a step of calculating a ratio between detection values of the target component and reference components. In the elution step, a mixing ratio of the solvents is changed such that between a first period in which the target component is eluted and a second period in which the reference component is eluted, a third period is provided in which a change rate of a mixing ratio at a column outlet is larger than that of a mixing ratio in each of the first and second periods.

The invention relates to a quantitative evaluation method for in-source pyrolysis gas and out-of-source pyrolysis gas, which comprises the following steps: firstly, respectively establishing mathematical models for describing changes of two gas products along with geological evolution; secondly, an analysis chart of gas composition under different mixing ratios is constructed based on the mathematical model result; and finally, projecting actually measured gas sample data onto the analysis chart, namely determining the proportion of the two types of source gases, and completing quantitative evaluation of the in-source pyrolysis gas and the out-source pyrolysis gas. According to the method, a dynamic evolution model reflecting geological history is constructed to replace a traditional static model, and a gas source contribution proportion identification chart is generated based on the model. Quantitative analysis can be completed through actual measurement data plumbing, the limitation of a traditional method is overcome, and the accuracy and reliability of identification are improved.

The application discloses a component-controllable simulated moon soil preparation method based on thermal phase change and belongs to the technical field of moon soil simulation material preparation.The application realizes controllable adjustment of the content of main mineral phases (plagioclase, pyroxene, olivine and amorphous phase) through thermal melting and crystallization processes, and determines the mixing ratio in combination with a nonlinear programming model, so that the simulated moon soil is highly similar to the target moon soil in terms of mineral phase composition, microstructure, optical performance and thermal performance.The method provides a high-fidelity simulation material with adjustable components for the ground experiment of ISRU technology (such as sintering, metallurgy and in-situ 3D printing), and solves the problem that the traditional simulation material preparation method cannot perform fine component factor test design in the related technical research process.

This invention belongs to the field of mineral processing and chemical technology. It provides an economic prediction method and related equipment for the co-production of hydrofluoric acid from multiple grades of fluorite. The method includes: determining a benchmark model between the production cost and yield of hydrofluoric acid from each grade of fluorite concentrate based on CaF2 content and impurity content; constructing an interaction effect model for the co-production of hydrofluoric acid from multiple grades of fluorite concentrate based on the mixing ratio of the multiple grades and the benchmark model; constructing an objective function for maximizing the economic benefits of hydrofluoric acid based on the selling price of hydrofluoric acid and the interaction effect model; and solving the objective function using a nonlinear programming algorithm to obtain the mixing ratio of the multiple grades of fluorite concentrate when the economic benefits of hydrofluoric acid are maximized. This invention provides a systematic method for quantifying the relationship between fluorite concentrate grade and the production cost and product value of hydrofluoric acid, thereby improving the economic efficiency of the co-production of hydrofluoric acid from multiple grades of fluorite.

The present application relates to a kind of verification and calibration method of gas concentration, comprising the following steps: trace gas is mixed with diluent gas according to predetermined proportion, and the mixed gas is sampled;The concentration of trace gas in the sampled mixed gas is measured by gas chromatograph calibrated by standard curve;The predetermined proportion of the mixture is modified, and the concentration of trace gas in the modified mixed gas is repeatedly measured;The measured concentration of trace gas before and after modification is linearly fitted with the corresponding mixing ratio, to calculate the concentration of trace gas when the diluent gas in the mixed gas is zero;The calculated concentration of trace gas is compared with the concentration of trace gas given by the manufacturer, to calculate correction factor, and the present application also relates to a kind of verification and calibration device of gas concentration, using a kind of verification and calibration method and device of gas concentration can verify and calibrate the concentration of trace gas given by the manufacturer.

The invention relates to a method and device for verifying a mixed gas density relay with a humidity detection function, belongs to the technical field of density relay verification, and solves the problem that the humidity and the gas mixing ratio cannot be detected at the same time during density relay verification in the prior art. The method comprises the following steps: filling a verification chamber with mixed gas until the pressure is balanced; the verification chamber is refrigerated and cooled, and the actual pressure and the actual temperature in the verification chamber, the light energy value of the light rays acted by the verification chamber and the measurement pressure read by a pressure sensor of a density relay are monitored in real time; in the cooling process, the actual pressure and the measured pressure are compared, and pressure reduction verification is carried out on a pressure sensor of the density relay; by monitoring a plurality of change rates of the light energy value, humidity detection and mixing ratio detection are sequentially carried out on the mixed gas in the verification chamber. The integration of multiple tasks is realized, and the comprehensive operation and maintenance efficiency is improved.

The present application relates to the technical field of frost heaving data analysis, in particular to a method for testing the performance of sodium lignosulfonate solution modified soil in inhibiting frost heaving deformation, comprising: obtaining the combined form of the admixture and the mixing ratio of each component of each group of proportioned soil samples during soil modification, and constructing a proportioning data set; setting a frost heaving amount change curve and the trend characteristics of the frost heaving amount change curve according to the composition and mixing ratio of the admixture combination in the proportioning data set. Based on the set admixture combination form and mixing ratio, the correlation between each group of admixtures and the frost heaving amount is obtained, and the effective mixing amount interval during the adjustment of each admixture is demarcated. Based on the obtained effective mixing amount interval, cross analysis is performed on each admixture combination according to the frost heaving amount and trend characteristics of each admixture, and the target combination with the optimal frost heaving inhibition effect is demarcated; based on the obtained target combination, the output admixture proportioning scheme is adjusted according to the corresponding scene of the freezing condition; the pertinence and treatment effect of the frost heaving analysis are realized.

The utility model relates to gas mixing equipment technical field, and disclose a kind of adjustable and controllable mixing device of co2 and air, including mixing cavity: the one end upside of the mixing cavity is fixedly connected with air inlet pipeline, the middle position of the mixing cavity is provided with main shaft, the outer surface of the main shaft is rotatably connected with the inside of mixing cavity, the one end downside of the mixing cavity is rotatably connected with rotating shaft, the outer surface of the rotating shaft is fixedly connected with gear two, the one end outer surface of the main shaft is fixedly connected with gear one. This kind of adjustable and controllable mixing device of co2 and air, through the flowmeter and regulating valve being set on branch pipe one and branch pipe two, the input amount of co2 and air can be effectively monitored, and then the mixing ratio of subsequent is controlled, satisfy the diversification requirement of mixed gas concentration in different fields, while co2 and air inside the mixing cavity are fully mixed, the uniformity of mixed gas is improved, and the quality of mixed gas is guaranteed.

The application discloses an optimization method and device for determining a mixing ratio of target crude oil, and the method is as follows: macroscopic physical property data of the target crude oil is acquired; a plurality of crude oil samples similar to the target crude oil are searched in a crude oil database; a mixed integer nonlinear programming method is used to determine the mixing ratio of the plurality of crude oil samples; the plurality of crude oil samples are mixed into blending crude oil according to the mixing ratio, and molecular composition data of the blending crude oil is determined; the macroscopic physical property data of the blending crude oil is determined according to the mixing ratio and the molecular composition data of the blending crude oil; the mixing ratio is adjusted according to the difference between the macroscopic physical property data of the blending crude oil and the macroscopic physical property data of the target crude oil until the difference reaches the minimum; and the mixing ratio of the plurality of crude oil samples in the adjusted blending crude oil is acquired as the mixing ratio of the target crude oil. The method can quickly and accurately determine the mixing ratio of each molecule of the target crude oil, and provides technical support for subsequent production processes.

The invention relates to an apparatus and a method for dispensing a multi-component material. A method includes introducing a first material component having a first dielectric constant and a second material component having a second dielectric constant to a mixing unit. The first and second material components are advanced through the mixing unit in a mixing ratio to form a mixture of material components dispensed from the mixing unit. A third dielectric constant of the material composition mixture is determined in relation to the first dielectric constant, the second dielectric constant and the mixing ratio. The third permittivity is compared with a predetermined permittivity related to the first permittivity, the second permittivity, and the predetermined mixing ratio. A corrective response is generated if the third dielectric constant differs from the predetermined dielectric constant by a threshold limit or greater than the threshold limit.

The invention provides a gas mixing interface device, and relates to the technical field of laser isotope analysis testing, the gas mixing interface device comprises a metering pipe and a telescopic corrugated pipe, the metering pipe is connected with the telescopic corrugated pipe through a first connecting pipeline; a first branch is arranged on the first connecting pipeline, one end of the first branch is connected with the first connecting pipeline, and the other end of the first branch is connected with a negative pressure pump. According to the gas mixing interface device provided by the invention, the sample gas quantity can enter the telescopic corrugated pipe after being accurately metered by the metering pipe, and the diluted gas quantity can also enter the telescopic corrugated pipe after being accurately metered by the metering pipe, so that the mixing ratio of the two gases is accurate and stable under the condition that the sample gas quantity is continuously changed, and the gas mixing efficiency is improved. Meanwhile, the mixing ratio with reference gas can be kept consistent; and two gases in the telescopic corrugated pipe can be quickly, fully and uniformly mixed through stretching and retracting of the telescopic corrugated pipe, so that the mixing efficiency of the gases is improved.

The utility model relates to the technical field of flexibilizer production, and discloses a flexibilizer producing and manufacturing storage device which comprises a mixing box and supporting legs fixedly installed at the positions, close to the four corners, of the bottom of the mixing box respectively, and a fixing frame is fixedly installed in the middle of the top of the mixing box. Storage boxes are fixedly installed on the left side and the right side of the top of the fixing frame correspondingly, and rectangular discharging pipes are fixedly installed at the positions, close to the rear sides, of the bottoms of the storage boxes in a penetrating mode correspondingly. According to the feeding device, the material baffle can be driven to move back and forth, so that the material baffle indirectly moves back and forth in the inner cavity of the rectangular discharging pipe, raw materials in the storage boxes on the two sides can be indirectly discharged, the discharging amount can be controlled, the situation that the matching effect is affected due to one-time adding is avoided, and meanwhile the effect and efficiency of follow-up mixing production are improved.