41 results about "Moisture analysis" patented technology

The invention relates to the technical field of oil product analysis, particularly provides a control method, a control module and an instrument for oil water content analysis, and aims to solve the problem that a conventional oil water content analyzer is relatively large in measurement deviation due to the influence of oil product temperature. In order to achieve the purpose, the control method for oil water content analysis comprises the steps that the oil product temperature T and the basic value of the oil product water content are obtained; determining the deviation value epsilon of the water content of the oil product according to the temperature of the oil product, wherein the deviation value epsilon of the water content of the oil product is the sum of at least one of the first temperature deviation value epsilon 1, the second temperature deviation value epsilon 2 and the third temperature deviation value epsilon 3; and according to the basic value of the water content of the oil product and the deviation value epsilon of the water content of the oil product, calculating to obtain a correction value of the water content of the oil According to the method, the deviation value caused by the oil product temperature to the oil product water content measurement is considered, so that correction is performed, the measurement deviation caused by the influence of the oil product temperature is reduced, and the accuracy of the final correction value of the oil product water content is improved.

The invention relates to the technical field of industrial detection, and discloses a high-precision petroleum coke moisture content analysis system, which comprises a petroleum coke multispectral characteristic processing module, a moisture analysis algorithm matching module and a moisture content execution module, petroleum coke is finely divided into three independent analysis levels of fine powder, medium particles and coarse particles according to particle sizes, detection weights are dynamically distributed based on mass proportions of all the particle sizes, when the proportion of the fine powder exceeds a critical threshold value, the system automatically improves the detection weights of the fine powder, the high water absorption characteristic of the fine powder caused by sharp increase of the specific surface area is captured, and the detection accuracy is improved. Aiming at the capillary moisture adsorption phenomenon caused by fine powder enrichment, the system generates a compensation coefficient positively correlated with the fine powder concentration in real time, the structural deviation caused by neglecting the particle size-moisture relevance in a traditional method is eliminated, the detection precision of a high-fine powder sample reaches a new height, a three-dimensional moisture distribution diagram is constructed through a distributed sensor network, and the detection precision of the high-fine powder sample is improved. The inherent defect that materials are regarded as a static homogeneous system in a traditional method is overcome.

1. The name of this design product: Embedded full hydration testing system. 2. Application of this product design: Used for fully automated moisture analysis of coal, coke, ore and other samples. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The utility model discloses a moisture monitoring alarm device for an oxygen generator, and relates to the technical field of oxygen generator monitoring, the monitoring alarm device comprises a box body and a chassis arranged below the box body, and also comprises a filter assembly, an air compressor, a heat dissipation assembly, a separation assembly and a monitoring assembly, and the outer side surface of the box body is provided with a control console; a plurality of universal wheels are arranged on the bottom surface of the chassis; when the device works, the moisture analysis probe is used for simultaneously monitoring the moisture content in the external air chamber and the internal air chamber, the moisture analysis probe is used for converting a monitored moisture content signal into an electric signal, the PLC module is used for processing the received signal and judging whether the moisture content exceeds the standard or not, the alarm lamp is controlled to be turned on if the moisture content exceeds the standard, and the alarm lamp is turned off if the moisture content exceeds the standard. The device can send out an alarm signal to complete monitoring and alarming of the moisture content of external air, take measures as soon as possible, avoid too fast loss of an adsorption bottle and an air inlet filter element due to long-time load work, obtain oxygen with qualified moisture content, and is high in practicability.

An autoloader is disclosed for staging samples in vials to be loaded automatically into an analyzer such as a moisture analyzer for moisture analysis. The analyzer uses vials to hold small amounts of sample materials. The autoloader holds the vials in a horizontal orientation for delivery to and removal from the analyzer.

The utility model discloses an automatic tar discharging system of a clarifying tank. The automatic tar discharging system comprises a tar pipeline, a temperature measuring instrument, a moisture analyzer and a pipeline type flow meter, an inlet of the tar pipeline extends into the clarifying tank, and the moisture analyzer and the pipeline type flowmeter are mounted on the tar pipeline; the thermodetector extends into the clarifying tank, and a plurality of temperature measuring points are arranged on the thermodetector; an electric valve is further arranged on the tar pipeline, and the electric valve, the thermodetector, the moisture analyzer and the pipeline type flowmeter are all electrically connected with the controller; the automatic tar discharging system of the clarifying tank can solve the problems that the tar content in ammonia water exceeds the standard and the moisture content in tar exceeds the standard, and realizes automatic tar discharging in the whole process.

The invention provides an absolute ethyl alcohol optimized production control method and system, and relates to the technical field of absolute ethyl alcohol production. The method comprises the following steps: determining first moisture content data, inlet pressure intensity and outlet pressure intensity through a first moisture analyzer and a pressure intensity meter which are arranged on a molecular sieve; determining whether to close a molecular sieve channel; closing a molecular sieve channel to obtain regenerated tail gas; ethanol saturated steam is obtained; opening a channel of the membrane filter to obtain first absolute ethyl alcohol steam; after purging, opening a molecular sieve channel; determining whether the membrane filter is cleaned; carrying out chemical cleaning; and opening a molecular sieve channel to obtain second absolute ethyl alcohol steam. According to the invention, when absolute ethyl alcohol is produced, the moisture content, the inlet pressure and the outlet pressure of the molecular sieve can be analyzed to determine whether to close the molecular sieve channel, so that regenerated tail gas is recycled, and absolute ethyl alcohol is alternately produced through the molecular sieve and the membrane filter. The gas consumption can be reduced, the equipment utilization rate and the product yield are improved, and the operation stability is improved.

The invention discloses a moisture detection regulation and control device, a control method and automatic production equipment, and relates to the field of measuring devices.The moisture detection regulation and control device comprises a base, a liquid transferring assembly, a reagent storage part, a detection assembly, a water supplementing assembly and a controller, and the controller can control a mechanical arm and a liquid transferring mechanism; the controller is used for controlling the water replenishing assembly to replenish water to the reagent storage part. The moisture detection and regulation device provided by the invention can effectively solve the problems existing in the traditional moisture detection and regulation method, and improve the automation level and the product quality stability in the chemical production process.

The present disclosure relates to apparatuses and methods of controlling a pressure filter. The apparatus includes a pressure filter that performs a solid-liquid separation to produce a filter cake and a moisture analyzer to provide an indication of the moisture content of the filter cake. One or more controllers can be used to set a drying time of the solid-liquid separation using the indication of the moisture content.

The utility model relates to an air shock type sample flattening device, which aims to solve the technical problem of inaccurate analysis result caused by sample aggregation, and adopts the technical scheme that the air shock type sample flattening device comprises a pipe clamp, a connecting rod, a connecting plate, an air hammer and flattening teeth, the pipe clamp is fixedly arranged at the rear end of the connecting rod, the connecting plate is horizontally and fixedly arranged at the front end of the connecting rod, and the air hammer is fixedly arranged at the rear end of the connecting rod. The flattening teeth are arranged on the front end face of the connecting plate, tooth tips face downwards, and the air hammers are fixedly arranged on the top faces of the flattening teeth and externally connected with an air source. The flattening teeth are used for flattening gathered samples, the problem of inaccurate moisture analysis is solved, the flattening teeth are cleaned through vibration of the air hammer, and cross contamination of the samples is effectively prevented.

The utility model discloses a coal quality analyzer suitable for analyzing unconventional gas reservoirs of coal series. The coal quality analyzer comprises a workbench, an analysis box body fixed at the top of the workbench, and a low-temperature frame and a high-temperature frame which are sequentially arranged in the analysis box body from top to bottom, a switching mechanism is arranged in the analysis box body and comprises an upper sealing plate arranged between the top of the low-temperature frame and the inner side of the analysis box body and a middle sealing plate arranged between the bottom of the low-temperature frame and the top of the high-temperature frame; when a coal sample is analyzed, through the cooperation of a power assembly, an upper sealing plate, a middle sealing plate, a lower sealing plate, a communicating groove, a low-temperature frame, a high-temperature frame, a heating layer and a pressure sensor, the coal sample can be quickly and nondestructively transferred into the high-temperature frame for subsequent volatile component analysis after the water analysis of the coal sample in the low-temperature frame is completed; therefore, the continuity of the analysis process is realized, and the analysis efficiency and accuracy are greatly improved.

This utility model discloses a sample injector for moisture analysis of chemical polyethers, comprising an injector body, a dustproof box fixedly installed on the front of the injector body, a sample holder located below the dustproof box at the bottom of the injector body, a through hole at the bottom of the dustproof box, a threaded rod rotatably connected inside the dustproof box to the rear side of the through hole, a lifting motor fixedly installed inside the dustproof box to the rear side of the threaded rod, the output end of the lifting motor being drivenly connected to the bottom of the threaded rod, and a lifting frame located inside the dustproof box being threadedly connected to the threaded rod, with a sample injection tube fixedly installed on the front of the lifting frame directly above the through hole. When the sample injection tube rises, a cleaning sponge cleans the sample outside the needle tube, while the interior of the dustproof box effectively ensures the cleanliness of the injection needle, thus improving the practicality of the sample injector.

The utility model discloses a centrifuge for oil product moisture analysis, and relates to the technical field of oil product analysis, the centrifuge comprises a support, a separation mechanism is arranged in the support, and a fixing mechanism is arranged in the support. When the rotating shaft rotates, a connecting block is driven to rotate, when the connecting block rotates, a disc is driven to rotate circumferentially, then a second rotating shaft is driven to rotate circumferentially, when the disc rotates circumferentially, the second rotating shaft is driven to move, and therefore a gear is driven to move; when a gear moves, the gear is in a self-rotation state, then a rotating shaft II is driven to rotate, so that a disc is driven to rotate, when the disc rotates, a tank body II is driven to rotate, so that a container is driven to rotate, the container can be in a revolution state and a self-rotation state at the same time through the mechanism, and the oil-water separation efficiency can be improved; and the separation stability is ensured.

The invention discloses a crankcase air supply system and a crankcase air supply control method, and relates to the field of hydrogen internal combustion engines, and the crankcase air supply control method comprises the steps that under the conditions that the moisture content of a crankcase is not smaller than a moisture analysis threshold value and the temperature of a mixture discharged by the crankcase is not smaller than a high-temperature limit value, a condensation type oil-gas separator is controlled to operate in a full-power state; and the controller is also used for controlling the temperature controller to carry out temperature control on the mixture in the gas guide pipeline under the condition that the temperature of the mixture is not in the moisture condensation temperature interval, so that the temperature of the mixture is in the moisture condensation temperature interval. The condensation type oil-gas separator is controlled to operate at full power to accelerate the outflow rate of the gas in the crankcase so as to prevent the moisture of the mixed gas from being separated out in the crankcase, and the temperature controller is arranged to control the temperature of the mixture, so that the moisture content of the gas entering the supercharger is reduced, and the inhibition effect on the engine oil emulsification phenomenon is improved.

The invention relates to the field of chemical industry, and specifically to an intelligent detection and analysis method for the sealing of a sewage treatment tank, comprising the following steps: S1. soil moisture detection; S2. soil moisture analysis; S3. pressure detection; S4. pressure analysis; S5. water level analysis; S6. appearance data acquisition; S7. appearance data analysis; S8. tank body evaluation analysis; S9. leakage risk analysis. The invention determines whether a sewage treatment tank has leakage possibility according to soil moisture, and then performs pressure analysis on the sewage treatment tank to obtain pressure uniformity, monitors the water level at each time point in the sewage treatment tank through a water level sensor, obtains the water level fluctuation degree, obtains a tank body evaluation coefficient of the sewage treatment tank by obtaining a three-dimensional image of the sewage treatment tank body and combining the appearance qualification degree, finally comprehensively analyzes the leakage risk index of the sewage treatment tank, performs secondary verification on the leakage of the sewage treatment tank, and avoids the adverse effects of the leakage on the environment.

The invention provides a device and a method for stabilizing the quality of external tar. The device comprises a tar tank, a steam heating device, a tar loading pump, an online moisture analyzer and a circulating pipeline, a heating part of the steam heating device is arranged in the tar tank; a first group of tar outlets of the tar tank are formed in the side wall of the tar tank and located at a first height position, a second group of tar outlets are formed in the side wall of the tar tank and located at a second height position, and the second height position is lower than the first height position; an inlet of the tar loading pump is connected with the first group of tar outlets and the second group of tar outlets through pipelines; an outlet of the tar loading pump is connected with a tar loading pipeline through a pipeline; the online moisture analyzer is arranged on the pipeline connected with the outlet of the tar loading pump, the first end of the circulating pipeline is connected to the pipeline connected with the outlet of the tar loading pump, and the second end of the circulating pipeline is connected to the tar tank, so that the problems of large moisture fluctuation of external tar and tar residue deposition in the tar tank are solved.

The invention discloses a soil moisture analysis method and system based on vegetation water absorption, and the method comprises the steps: calculating the water absorption of a vegetation block in each grid, selecting a target vegetation block based on the size of each water absorption, and obtaining the target soil moisture content of a target sub-plot in a target grid where the target vegetation block is located, determining other soil moisture contents corresponding to other water absorbing capacities according to the ratio of the target soil moisture content to the target water absorbing capacity, and correcting the other soil moisture contents according to a preset correction strategy to obtain final other soil moisture correction contents; and superposing the other soil moisture correction contents with the target soil moisture content to obtain the soil moisture content of a certain target area. According to the method, the moisture content in the soil can be accurately analyzed, and compared with a traditional mode that the target plot is divided into grids and the moisture content of the soil in each grid is obtained, the workload of workers can be reduced.

The utility model relates to the technical field of sampling detection, and discloses a nickel hydrazine nitrate initiating explosive on-line detection device which comprises a conveying frame, an explosive tray is placed on the surface of the conveying frame, a sampling mechanism is fixed on the upper surface of the conveying frame, and a fixing support and a base are fixed on the two sides of the conveying frame respectively. A spectrum moisture analyzer is fixed to the inner top of the fixing support, a first translation module is fixed to the upper surface of the base, a first rotating motor is fixed to the moving end of the surface of the first translation module, and a second rotating motor is fixed to the rotating end of the upper surface of the first rotating motor; a rotating arm is fixed to the rotating end of the side wall of the second rotating motor. According to the utility model, mechanical equipment is used for replacing manual work to carry out drug detection, density detection and moisture analysis are carried out on drugs, unmanned processing is realized, direct contact between personnel and a dangerous source can be effectively avoided, and the device is safer and more efficient.

The invention relates to the technical field of moisture detection, in particular to a moisture analysis and detection method and system based on tea processing, and the method specifically comprises the following steps: collecting multi-source heterogeneous data in the processing process of a tea frying machine in real time, and calculating a dynamic moisture distribution value; geometric deformation parameters of the blades in the constant-speed stir-frying stage are obtained, and a water permeation resistance coefficient based on the leaf crimpness is constructed; obtaining blade surface stress spectrum data at a non-uniform speed stage, and calculating a damage accumulation factor based on a microcrack growth rate; a comprehensive vulnerability index is generated in combination with a thermal-mechanical coupling effect, and the tea processing quality state is identified; and dynamically optimizing the stir-frying track according to the tea processing quality state, and outputting a staged time-varying regulation and control strategy. The problems that in an existing tea leaf processing moisture detection system, processing parameter adjustment lags behind, and the risk of leaf breaking is aggravated are solved.

The utility model relates to the field of moisture analyzers, and discloses a comprehensive monitoring analyzer for moisture content of forest steppe combustible materials, a main body component of the comprehensive monitoring analyzer comprises an analyzer main body, a screen and control keys are arranged at the top end of the analyzer main body, the front end of the analyzer main body is symmetrically connected with metal rods, the rear end of the analyzer main body is connected with a grab handle, and each metal rod consists of two half rods; the improved component comprises a screwing mechanism which can assemble the two half rods into the metal rod and can also enable the metal rod to be assembled and connected with the analyzer main body; in addition, the grab handle is of a hollow box body structure and used for containing all the half rods, and an opening in the tail end of the grab handle is connected with a cover plate capable of being opened. On one hand, under the action of the screwing mechanism, the metal rod consists of the two half rods and then is assembled and connected with the analyzer main body; on the other hand, the grab handle is a hollow box body, and the four half rods formed by separating the two metal rods can be stored in the hollow box. Therefore, the length of the whole device is effectively reduced, and the device is convenient to carry.

The invention relates to the technical field of image analysis, in particular to a skin moisture analysis system based on a computer vision technology, which comprises a skin region segmentation module, a moisture distribution modeling module, a texture enhancement optimization module and a moisture distribution classification module. According to the method, the boundary, the area, the pixel value and the brightness value of the skin image region are accurately analyzed, the moisture distribution state is delimited, the weighted structure diagram is generated, the moisture difference between the regions is reflected, accurate data support is provided for subsequent analysis, and the node relation and the moisture value difference are deeply analyzed; a moisture aggregation mode is disclosed, a high-accuracy distribution rule model is formed, moisture characteristics are accurately displayed, by extracting a gradient value of a moisture dense region and utilizing a texture contrast enhancement technology, moisture difference is more remarkable, image details are optimized, a finer moisture distribution diagram is presented, and by means of grading classification, the moisture state is accurately reflected, so that the moisture distribution accuracy is improved. Differentiated analysis is supported, and the analysis precision and the application value are greatly improved.

The invention relates to the technical field of agricultural product processing and automatic control, and discloses a PLC-based ophiopogon japonicus integrated production process intelligent control system, which comprises a data acquisition module for acquiring real-time parameters reflecting a dry environment and an equipment operation state; the thermodynamic calculation module calculates the material moisture analysis rate based on the real-time parameters; the state judgment module calculates the dehydration acceleration, recognizes a drying dynamic stage and outputs a state flag bit; the central processing module controls the execution control module to switch between a constant enthalpy drying mode and a variable static pressure aerodynamic disturbance mode according to the flag bit; the execution control module responds to the instruction to adjust airflow distribution and heat input of the drying cavity. Finite difference operation is carried out on the moisture analysis rate through the state judgment module, the obtained dehydration acceleration serves as the judgment basis, and accurate recognition of the surface hardening critical point in the radix ophiopogonis drying process is achieved.

The application discloses a low-power-consumption refrigerant dewatering process, and belongs to the technical field of refrigerant processing. In order to solve the problem that the refrigerant in a storage tank is circulated and dewatered by a dryer, low-moisture materials at the outlet of the dryer are returned to the storage tank and mixed with high-moisture materials, and then the mixed materials are dewatered by a circulating pump, process waste exists, and the refrigerant is analyzed for moisture content in the detection tank and the storage tank respectively, and the analysis cost is increased. The application comprises the steps of refrigerant preparation, refrigerant drying and refrigerant storage. The application saves the operation process of conveying the refrigerant from the detection tank to the storage tank, saves the operation process of opening the circulating pump of the storage tank to circulate and dewater the refrigerant, reduces the labor cost, saves the operation process of conveying the refrigerant from the detection tank to the storage tank, saves the operation process of opening the circulating pump of the storage tank to circulate and dewater the refrigerant, reduces the maintenance cost of the moving equipment and the power consumption, saves the sampling and analysis process of the refrigeration detection tank, and saves the analysis cost.

The invention relates to an electronic-grade liquid chlorine automatic analysis system and a use method, the system comprises a moisture analyzer and a gas chromatograph, the front of the moisture analyzer and the front of the gas chromatograph are respectively connected with a sample gas branch, a nitrogen branch and a helium branch through pipelines, a tail gas branch is also arranged behind the moisture analyzer, and the tail gas branch is connected with the nitrogen branch and the helium branch through pipelines. And a plurality of manual metal diaphragm valves and a plurality of pneumatic metal diaphragm valves are arranged on the pipeline. According to the method, manual participation is reduced in the detection process, personnel safety can be effectively guaranteed, personnel operation errors can be reduced, and the content of air impurities and moisture in the electronic-grade chlorine can be rapidly and safely detected in the analysis process.

Moisture generation and analysis device (40) for generating and analyzing moisture of a flowing natural gas stream, the device comprising: a channel for extracting a sample stream of natural gas from the flowing natural gas stream; a moisture analyzer (132) that analyzes the moisture content of the sample stream supplied to it; a bypass flow channel (142) that provides a flow path through the moisture generation and analysis device (40) that extends parallel to a flow path of the moisture analyzer (132) without passing through the moisture analyzer (132); a main opening (120) which is fluidly connected to the moisture generation and analysis device (40) and which is arranged upstream of the moisture analyzer (132), wherein the sample stream supplied to the moisture analyzer (132) is discharged to the main opening (120) and flows through it; and a bypass opening (122) arranged along the bypass flow channel (142); The main opening (120) is dimensioned such that the sample stream supplied to the moisture analyzer (132) via the main opening (120) is provided from the main opening (120) at a pressure such that the sample stream supplied to the moisture analyzer (132) is at a critical flow condition, wherein the absolute pressure prevailing upstream at the main opening (120) is at least 1.98 times the downstream absolute pressure at the main opening (120), and the bypass opening (122) is dimensioned such that the bypass current (F b ) the bypass opening (122) is supplied with a pressure such that the bypass flow (F b ), which flows through the bypass opening (122), is at a critical flow condition, wherein the upstream absolute pressure at the bypass opening (122) is at least 1.98 times the downstream absolute pressure at the bypass opening (122).

The invention discloses a photoelectron-grade ultrapure ammonia process analysis sampling system and a sampling analysis method, the analysis sampling system comprises a process gas analysis system, a carrier gas purification system, a compressed air system and a hydrogen source, the process gas analysis system comprises a first gas chromatographic analysis system, a moisture analysis system, a purging system, a second gas chromatographic analysis system, an evacuation system and a tail gas recovery system. According to the system, the content of each component in the photoelectron-grade ultra-pure ammonia process can be rapidly analyzed by one set of equipment, automatic sampling and analysis can be realized in the whole process, the analysis is accurate, and pollution and waste of the analyzed ultra-pure ammonia gas to the atmosphere are avoided by a tail gas recovery pipeline. The method is high in sampling analysis efficiency, and the sampling process is slightly interfered by external impurities.

The utility model relates to the technical field of human skin moisture detection, in particular to an adjustable skin moisture identification and moisture analysis probe which comprises a skin moisture detector, a detection probe, a cap, a switch, a display screen, a rotating structure, a telescopic structure and a protection rod, a detection probe is arranged at the left end of the skin moisture detector, the cap is matched with the detection probe and installed at the left end of the skin moisture detector, a switch and a display screen are arranged at the front end of the skin moisture detector, the switch is located on the left side of the display screen, and a rotating structure is arranged at the right end of the skin moisture detector. A telescopic structure for adjusting the length is arranged in the rotating structure, a cavity for containing the rotating structure is formed in the protection rod, and the protection rod is connected with the right end of the skin moisture detector; according to the utility model, a rotating structure, a telescopic structure and a protection rod are cooperated, so that the probe can rotate flexibly and is suitable for multi-part measurement, the length can be adjusted flexibly, and stable support and connection are provided.

The intelligent grain moisture analyzer comprises a dustproof cylinder, a moisture analyzer main body and a rotating plate, the moisture analyzer main body is in threaded connection with the dustproof cylinder through a threaded sealing ring, and the rotating plate is further arranged at the moisture analyzer main body; the surface of the moisture analyzer main body is in threaded connection with the dustproof cylinder through the threaded sealing ring, so that the electrode probe is subjected to dustproof treatment, and then the surface of the electrode probe rod is provided with the ferrule, so that the electrode probe rod is subjected to dustproof treatment, the influence of dust on the moisture analyzer is reduced to the minimum, and the service life of the moisture analyzer is prolonged. Therefore, the detection precision of the moisture analyzer is improved; and a rotating plate is further arranged, the rotating plate can enable a stirring plate to rotate in a manual mode so as to stir the grains, so that the grains can be stacked uniformly, the contact between the electrode probe and the grains is more sufficient, and the detected water content data is more accurate.

The invention belongs to the field of aluminum oxide, and provides a method for measuring the moisture content of bauxite bulk materials by a full-automatic moisture analyzer, which comprises the following steps: taking bauxite crushed to the granularity of less than or equal to 6mm, weighing 10-12g of sample, and measuring the moisture content by the full-automatic moisture analyzer. According to the method, through experimental comparison, standard adaptation and process optimization, the analysis time is shortened to 1 hour from 6.5 hours, the single-day handling capacity is improved by 3 times, the error is controlled within + / -0.4%, meanwhile, the risk of manual intervention is reduced, and important support is provided for cost reduction and efficiency improvement.

The present invention discloses a method and system for analyzing soil moisture based on the water absorption of vegetation, calculating the water absorption of vegetation blocks in each grid, selecting target vegetation blocks based on the magnitudes of the water absorptions, obtaining the target soil moisture content of the target subplot in the target grid where the target vegetation block is located, determining the other soil moisture contents corresponding to other water absorptions according to the ratio of the target soil moisture content to the target water absorption, correcting the other soil moisture contents according to a preset correction strategy to obtain the final corrected other soil moisture contents, and superimposing the other soil moisture corrected contents and the target soil moisture content to obtain the soil moisture content of a certain target area. It can analyze the water content in the soil more accurately, and compared with the traditional method of dividing the target plot into grids and obtaining the soil water content in each grid, it can reduce the workload of the staff.