58 results about "Oil concentration" patented technology

The invention relates to the technical field of lubricating oil analysis, in particular to a method and system for quantitative analysis of a lubricating oil additive. The method comprises the following steps: acquiring base oil data and lubricating oil additive data; performing mixed oil treatment based on the base oil data and the lubricating oil additive data to generate mixed lubricating oil additive data; performing mixed oil concentration detection on the mixed lubricating oil additive data to generate mixed oil concentration detection data; performing chromatographic column selection on the mixed lubricating oil additive data based on the mixed oil concentration detection data to generate chromatographic column selection data; and performing boiling point heating on the chromatographic column selection data to obtain mixed oil boiling point heating data. By optimizing data acquisition, chromatographic separation, component identification and quantitative analysis as well as result analysis and visualization, the accuracy of quantitative analysis of the lubricating oil additive is improved.

The invention relates to the technical field of marine oil spill monitoring, in particular to a seawater oil concentration detection method and system based on a near infrared absorption spectrum. The method comprises the following steps: acquiring spectrum samples with different concentrations of different oil samples; original near infrared spectrums of the spectrum samples under different concentrations are collected; selecting a characteristic wave band based on intensity differences of near infrared spectrums with different concentrations, and extracting spectral data in the characteristic wave band; performing normalization preprocessing on the spectral data in the characteristic wave band; training a deep learning model by using the spectral data in the characteristic wave band to obtain a concentration result; the method can effectively invert the concentration of the oil contained in the seawater, and provides a new method for marine oil spill monitoring and concentration detection of ship oil-containing seawater discharge.

The utility model discloses an oil concentration detection device for a scroll compressor, and relates to the technical field of compressor lubricating oil concentration detection, in particular to a device for detecting the concentration of lubricating oil in an oil pool of the scroll compressor used for a heat pump air conditioning system. The device comprises a connecting device, a sampling device, a concentration testing and calculating device and a scroll compressor, the connecting device is welded at the bottom of the scroll compressor; the sampling device is of a detachable structure and is assembled on the connecting device to sample the lubricating oil in the scroll compressor during sampling; the concentration testing and calculating device is arranged outside the scroll compressor, is used for testing and calculating the lubricating oil collected by the sampling device, and is not connected with the scroll compressor. According to the technical scheme of the utility model, the problems that in the prior art, a viscometer is adopted for testing, so that a result cannot be measured in an over-range manner; the oil pool concentration is speculated by testing the temperature of the lower cover of the compressor and then through a Darnille curve, so that the test result is inaccurate.

The invention discloses a method for judging crude oil density based on a three-dimensional quantitative fluorescence technology and a related device. The method comprises the steps of obtaining fluorescence data of a rock core and rock debris; performing mathematical statistics, parameter extraction, combined calculation and sensitivity screening on the fluorescence data to obtain oil index parameters; and establishing a two-dimensional evaluation chart according to the oil index parameters, and displaying different crude oil density distribution areas. According to the method, parameters such as fluorescence excitation, emission wavelength, oil concentration, crude oil fluorescence intensity, well completion oil testing crude oil density and the like of a rock core and rock debris three-dimensional quantitative fluorescence technology are obtained through mathematical statistics, parameter extraction, combined calculation and sensitivity screening, and the corresponding relation between the three-dimensional quantitative analysis wavelength and the fluorescence intensity parameter is fully excavated and utilized; the correlation is analyzed, the accuracy of the obtained result is higher, and the error range is smaller than 5%.

The utility model discloses a floating oil-scraping oil-water separator, which comprises a main body assembly, a box body, a control box, a rotating shaft, a gear, a chain and a flow guide plate, the control box is fixed on one side of the box body, the rotating shaft is arranged in the control box, the gear is fixed on the outer side of the rotating shaft, the chain is positioned on the outer side of the gear, and the flow guide plate is arranged in the box body. The guide plate is fixed in the box body; the oil scraping assembly is arranged in the box body and comprises an oil scraping piece, an adjusting piece and a rotating piece, the oil scraping piece is arranged in the box body, the adjusting piece is located on one side of the oil scraping piece, and the rotating piece is arranged in the adjusting piece. The oil scraping device has the advantages that due to the arrangement of the oil scraping assembly, the floating oil scraping efficiency can be improved, meanwhile, the height of contact with the water surface can be adjusted, and then the oil scraping device can adapt to oil concentration changes in different oil-water mixtures.

The present disclosure relates to a measuring method and device for trace and ultra-trace oil content. The measuring device of the present disclosure includes a cryogenic enriching device, an extracting device and an infrared spectrometer; The cryogenic enriching device includes a Dewar container and a U-shaped pipe; The extracting device includes an extractant container, an input pipe, an outlet pipe and an extraction liquid quantitative pipe; A mass flowmeter is further disposed on the U-shaped pipe, the oil content in the gas is calculated according to the measured total mass of the gas and the oil concentration of the extraction liquid measured by the infrared spectrometer. The present disclosure further provides a measuring method, which converts the measurement of oil content in gas into the measurement of oil concentration in liquid extractant through effective extraction by liquid nitrogen cold trap enrichment mode, and adopts infrared spectrophotometry to accurately measure.

The invention relates to a device (103) for checking a fuel concentration sensor (323) which is designed to ascertain an estimated value of the concentration of fuel (211) in a gas mixture (403). For a measuring process for ascertaining an estimated value of the fuel concentration, the device (103) is designed to: produce a supply or removal of a target quantity of thermal energy (402, 412) to or from the gas mixture (403); ascertain a measuring process temperature measurement value of the gas mixture (403), using a temperature sensor (404) of the fuel concentration sensor (323), as a result of the supply or removal of the target quantity of thermal energy (402, 412); and ascertain the estimated value of the fuel concentration on the basis of the measuring process temperature measurement value. Additionally, for a testing process for testing the fuel concentration sensor (323), the device (103) is designed to: produce a supply or removal of a test quantity of thermal energy (402, 412) to or from the gas mixture (403), said test quantity deviating from the target quantity of thermal energy (402, 412); ascertain a test process temperature measurement value of the gas mixture (403), using the temperature sensor (404), as a result of the supply or removal of the test quantity of thermal energy (402, 412); and detect an impairment of the fuel concentration sensor (323) on the basis of the test process temperature measurement value of the gas mixture (403).

This utility model discloses a separator with oil concentration monitoring and feedback control, including an inlet pipe connected to a wastewater tank, a centrifugal pump and a scraper filter connected to the inlet pipe, and a heater connected to the outlet of the scraper filter. The heater outlet is connected to a three-way pipe, with two solenoid valves installed on the other two ends of the three-way pipe. The pipe containing the first solenoid valve is connected to the separator; the pipe containing the second solenoid valve is connected to the wastewater return port pipe of the wastewater tank. The separator has a return water branch pipe, on which several solenoid valves are installed. All solenoid valves are connected to an electrical control box. The return water branch pipe is connected to the wastewater return port pipe and is respectively connected to a clean water outlet and a detection water outlet. An oil concentration detection device is installed on the connecting pipe between the return water branch pipe and the detection water outlet. This separator can quickly, accurately, and in large quantities separate oil and water, improving resource recovery and utilization rates and the automation level of wastewater treatment, and reducing wastewater treatment costs for enterprises.

The invention relates to the technical field of pentane oil gas, in particular to a gasification method for pentane oil gas, which comprises the following steps: a liquid level meter detects the liquid level height of pentane oil stored in an oil storage bin and transmits the liquid level height to a data analysis module, and according to the liquid level height, an oil replenishing passage is determined to replenish pentane oil into the oil storage bin, or the ventilatory capacity of a ventilation module is preliminarily determined; the flow detection module detects the flow of output gas, the component analysis module detects the fuel gas proportion of the output gas, and the data analysis module verifies the ventilation capacity of the ventilation module according to the flow of the output gas and the fuel gas proportion, or judges that the pentane oil concentration is insufficient according to the liquid level height and the ventilation capacity; the temperature detection module detects the temperature of output gaseous fuel gas, and the data analysis module adjusts the heating power of the heating device according to temperature data. According to the invention, through a multi-module cooperative work mode, comprehensive monitoring and accurate regulation and control of the pentane oil gas preparation process can be realized.

The present invention provides an aerator status detection system and method, belonging to the field of electronic information engineering. The method comprises: obtaining an analog audio signal, a first electrical signal, and a second electrical signal; extracting a field audio feature through the analog audio signal, determining the synthetic acceleration of the float and the frequency of water wave pressure changes through the first electrical signal, and determining the oil content in the water through the second electrical signal; and determining that the aerator is faulty when the field audio feature or the synthetic acceleration and the frequency of water wave pressure changes are within a corresponding preset fault signal range, or when the oil content in the water is greater than or equal to a preset concentration. The operating status of the aerator is effectively identified and evaluated by using three different data types: acceleration, sound, and oil concentration. The detection information is rich, and multiple fault judgment criteria are provided. The fault detection accuracy is high. Once the aerator fails, it can be discovered in a timely manner and precise solutions can be implemented, effectively avoiding possible economic losses.

The utility model discloses a falling film return oil concentration device for a flooded unit. The falling film return oil concentration device comprises the flooded unit, a fluorine pump and a falling film return oil concentration device, a fluorine pump is communicated with a liquid outlet in the upper portion and a fluorine inlet of a falling film return oil concentration device in the lower portion, the fluorine inlet of the falling film return oil concentration device is communicated into the falling film return oil concentration device, and a refrigerant and oil mixture pumped in the flooded unit is subjected to heat exchange treatment in the falling film return oil concentration device. And the refrigerant gas enters the flooded unit again from the falling film return oil concentration device and flows to an inlet of the compressor through a pipeline via a fluorine outlet of the flooded unit, oil in the mixed liquid is concentrated and then discharged through an oil return port of the falling film return oil concentration device at the bottom, and the mixed liquid continues to return to the compressor for lubrication through a pipeline. Through simple and low-cost structural improvement, the accumulation phenomenon of lubricating oil in the heat exchanger is effectively reduced, the heat exchange efficiency of an evaporator and a condenser is improved, the service life of a compressor is prolonged, the lubricating oil is effectively recycled, and the effects of saving energy and improving efficiency are achieved.

The invention discloses a test device and a test method for observing an oil-shore interaction process of spilled oil. The test device comprises a water tank, a water supply system, an oil spill adding system and a detection and measurement system, an inlet section, a bank slope laying section and an outlet section are sequentially arranged in the water tank, and a river bank medium is laid on the bank slope laying section; the water supply system communicates with the inlet section to supply water flow; the spilled oil adding system is arranged close to the inlet section and used for adding oil into the water flow; the detection and measurement system is in butt joint with the water tank and comprises a flow field measurement system used for detecting a water flow field in the water tank, a water surface oil spill observation system used for detecting the state of a water surface oil film and an oil spill concentration measurement system used for measuring the oil spill adsorption amount of a river bank medium in each time period. According to the technical scheme, an oil spill event in a natural river channel can be simulated, the oil-shore interaction process of oil spill can be deeply analyzed after data are collected through the detection and measurement system, and powerful support is provided for prevention and response of the oil spill event and subsequent environmental restoration.

The invention provides a fluorescence lifetime difference-based oil concentration detection device in water, and relates to the technical field of analysis and detection equipment, the device comprises a shell, the shell is provided with an accommodating cavity, and the accommodating cavity is internally provided with a moving mechanism; the test light path is located on one side of the moving mechanism, and the test light path comprises an excitation light path assembly and an emission light path assembly which are perpendicular to each other; the cuvette comprises a measuring cell for accommodating the measuring cuvette and a reference cell for accommodating the reference cuvette; the cuvette is connected with the moving mechanism and can move along a preset track under the driving of the moving mechanism, so that the test light path acts on the measurement cuvette or the reference cuvette; and the moving mechanism and the test light path are both in communication connection with the control system. According to the invention, the interference of the natural water CDOM on the measurement of the oil fluorescence signal in water is effectively eliminated, the natural water polluted by crude oil can be detected, and the measurement accuracy of the oil concentration in water is improved.

The invention relates to an online detection method, device and equipment for the property of mixed oil conveyed by a product oil pipeline. The method comprises the following steps: obtaining to-be-detected product oil conveyed by the pipeline; detecting the mixed oil concentration of the to-be-detected product oil on line in real time by using a non-modeling method by adopting a near infrared spectroscopy method; and detecting the final boiling point and the flash point of the to-be-detected product oil on line in real time by adopting a pre-established calibration model. According to the method, the mixed oil concentration of the to-be-detected product oil can be detected online in real time based on the near infrared spectroscopy, the property values of the to-be-detected product oil can be detected online in real time based on the pre-established calibration model, and the property values at least comprise the final boiling point and the flash point. Therefore, more accurate data support can be provided for mixed oil cutting based on the mixed oil concentration, the final boiling point and the flash point of the to-be-detected product oil.

The invention relates to the technical field of oily wastewater treatment, in particular to an oil-water separator, and solves the problems of low separation efficiency and poor adaptability and automation degree of existing equipment. The oil-water separator comprises a main cabin and an auxiliary cabin and is matched with a water inlet system, a water outlet system, an aeration system, an oil scraping system, an oil discharge system, a cleaning system and a plurality of groups of sensors, the laser particle size analysis sensor is linked with the aeration system to realize the matching of bubbles and oil particle sizes, and the oil level sensor automatically switches the oil scraping mode of a scraper and the oil discharge mode of an oil discharge valve according to the thickness of an oil layer; the secondary cabin completes secondary filtration and oil phase collection; the filter membrane is provided with a reverse aeration cleaning structure, the box body is further provided with a cleaning system, and the interior of the equipment can be automatically cleaned at high pressure. According to the oil-water separator, all systems and parts are jointly controlled by the control module in a centralized manner, so that full-process automatic operation is realized, and the oil-water separator is adaptive to wastewater treatment requirements of different oil-containing concentrations and oil particle sizes, and can be applied to the scenes of industry, catering, oilfield exploitation and the like.

The invention relates to the technical field of oil exploration, in particular to a three-dimensional quantitative fluorescent logging method which comprises the following steps: acquiring and preprocessing solid samples (well wall coring, well drilling coring and rock debris) and liquid samples (drilling fluid additives and drilling fluid), and acquiring fluorescence data after mathematical statistics; and combining the fluorescence data to calculate the oil concentration and the contrast level, judging the property of the crude oil and calculating the oiliness index, finally identifying the property of the reservoir fluid according to the oiliness index and the contrast level parameter, and determining whether the reservoir fluid is a gas layer, an oil layer, a same oil-water layer, a water layer or a dry layer by means of a two-dimensional interpretation chart and the like. According to the invention, the technical effect of effectively and accurately identifying the reservoir fluid properties in geological exploration is achieved.

Provided is an oil extractant that can be manufactured at low cost, has high oil extraction efficiency, and has a small environmental load, for use in an oil concentration meter or the like. The oil extractant contains an oligomer of a trimer or more of chlorotrifluoroethylene in a range of greater than 35% by weight and 100% by weight or less, relative to the entire oil extractant.

The present invention provides an oil-in-water spectral analysis and data transmission system based on AI technology, which relates to the field of oil quality detection technology. The system includes a spectral detection module for emitting multi-wavelength light to a water sample and collecting optical signals; an AI processing module connected to the spectral detection module for performing spectral analysis based on the optical signals, and using an association algorithm group including a light absorption-scattering coupling model, a self-attention feature enhancement model, and a multimodal classification prediction model to output oil concentration and distribution information; a data recording module connected to the AI ​​processing module for storing detection data; an auxiliary function module connected to the data recording module for transmitting detection data, issuing voice prompts, and powering the system; light scattering interference is eliminated through a scattering correction unit and a coupling model, and the weight of oil characteristic wavelengths is automatically enhanced through a self-attention mechanism to improve the accuracy of mixed oil identification. At the same time, wireless charging, real-time cloud transmission, voice alarm functions, and oil-in-water monitoring are combined.

The invention discloses an offshore water oil concentration monitoring method based on three-dimensional fluorescence and liquid level compensation. The method comprises the following steps: S1, measuring the liquid level height, the fluorescence intensity and the fluorescence spectrum of a current to-be-measured water body to obtain the real-time liquid level height, the real-time fluorescence intensity and the mixed fluorescence spectrum; s2, acquiring a correction factor under the real-time liquid level height according to a pre-calibrated correction curve, and calculating to obtain corrected fluorescence intensity by combining the real-time fluorescence intensity; s3, comparing the fluorescence spectrum in the step S1 with standard oil type spectrum data to identify the type of the mixed oil type in the water body to be detected; and S4, selecting a corresponding quantitative analysis method according to the spectrum overlapping degree of different oil types in the fluorescence spectrum so as to determine the actual concentration of the mixed oil type. According to the invention, the influence of liquid level fluctuation on light intensity is dynamically offset, and the accuracy and reliability of concentration measurement are ensured; by utilizing a three-dimensional fluorescence spectrum and a linear superposition principle, identification and accurate quantification of mixed oil types are realized.

This method for recovering oil from an oil-containing waste liquid includes an extraction step for extracting an oil-containing waste liquid using a solvent to transfer oil in the oil-containing waste liquid to the solvent, a separation step for separating the solvent containing the extracted oil and the waste liquid, and an oil recovery step for separating and recovering the oil from the separated solvent containing the oil, the method for recovering oil being characterized in that the solvent is n-hexane, the oil concentration in the oil-containing waste liquid supplied to the extraction step is 1,000-5,000 mg / L, the volume ratio (solvent / waste liquid ratio) of the solvent to the oil-containing waste liquid is 0.01-0.05, and the oil concentration in the solvent containing the oil separated in the separation step is 4 mass% or greater. Provided is a method for recovering oil from an oil-containing waste liquid, the method making it possible to efficiently separate and recover oil from the oil-containing waste liquid through a solvent extraction method.

This invention discloses an oil-water separation system for industrial oily wastewater enhanced by centrifugal force, relating to the field of industrial wastewater treatment technology. The system includes a data acquisition module that acquires wastewater flow rate and oil concentration monitoring signals, generating raw operating condition data streams; a parameter analysis module that extracts flow rate and oil droplet size distribution characteristics, constructs a set of physical property parameters, calculates suitable centrifugal speed and chamber pressure setpoints using a centrifugal force field configuration model, and generates directional centrifugal force field control commands; a flow channel control module that establishes a spirally converging flow channel matching the oil droplet trajectory; a coalescence induction module that guides tiny oil droplets to coalesce into large-diameter oil clumps along the wall normal; a layered export module that independently exports the oil and water phases; and a closed-loop feedback module that monitors the oil content of the separated product stream and iteratively updates the commands. This system achieves dynamic adaptation between the centrifugal force field and the flow channel configuration, enhancing the oil droplet coalescence effect and improving oil-water separation accuracy and operational stability.

The invention provides an oil-in-water spectrum analysis and data transmission system based on an AI technology, and relates to the technical field of oil quality detection, and the system comprises a spectrum detection module used for emitting multi-wavelength light to a water sample and collecting a light signal; the AI processing module is connected with the spectrum detection module and is used for carrying out spectrum analysis based on the optical signals and outputting oil concentration and distribution information by adopting an association algorithm group comprising a light absorption-scattering coupling model, a self-attention feature enhancement model and a multi-mode classification prediction model; the data recording module is connected with the AI processing module and is used for storing detection data; the auxiliary function module is connected with the data recording module and is used for transmitting detection data, sending out voice prompt and supplying power to the system; light scattering interference is eliminated through a scattering correction unit and a coupling model, the weight of oil characteristic wavelength is automatically enhanced through a self-attention mechanism, the mixed oil recognition accuracy is improved, and meanwhile wireless charging, real-time cloud transmission and voice alarm functions and oil in water monitoring are combined.

The utility model discloses a stepped reverse overflow white oil extraction device for diaphragm production. The stepped reverse overflow white oil extraction device comprises a plurality of extraction boxes, the plurality of extraction boxes are sequentially arranged in the diaphragm conveying direction and are sequentially communicated; each extraction box is filled with an extraction liquid; the diaphragm sequentially passes through the plurality of extraction boxes and passes through the extraction liquid in the extraction boxes; and the overflow direction of the extraction liquid in the extraction boxes is opposite to the conveying direction of the diaphragm. The conveying direction of the diaphragm is opposite to the overflow direction of the extraction liquid, so that the oil concentration in the extraction tank can be reduced, the utilization rate of the extraction liquid can be improved, the extraction efficiency and the extraction effect can be improved, and the whole device is simple in structure, convenient to operate and high in extraction efficiency and utilization rate of the extraction liquid; and the problem of secondary pollution in the production process is avoided.

The invention belongs to the technical field of water quality monitoring, and discloses an oil content detection method, device and equipment and a storage medium. The method comprises the following steps: controlling an ultraviolet light source to emit dual-wavelength ultraviolet light with preset light intensity to a short-range cuvette containing a flowing water sample to be detected; acquiring two paths of transmitted light signals, and performing amplification and signal conversion processing on the two paths of transmitted light signals to obtain two paths of digital signals; calculating the absorbance of the two paths of transmitted light signals according to the two paths of digital signals, and obtaining the oil content of the water sample to be detected according to the absorbance of the two paths of transmitted light signals; differential detection is carried out on a water sample to be detected through dual-wavelength ultraviolet light, the wide-range detection capacity is kept based on optical signal amplification and signal conversion, meanwhile, interference of ammonia water color development and turbidity on a detection result is effectively restrained, and through combination of absorbance difference and the Lambert-Beer law, the detection accuracy is improved. A stable linear relation between the oil concentration and a detection signal is realized, and the oil content is accurately detected.

The application discloses a kind of pipeline mixed oil concentration distribution determination method, device, equipment, medium and product.The method comprises: obtaining pipeline parameters and pipeline oil parameters, according to the pipeline parameters and the pipeline oil parameters, determine diffusion coefficient and convection phase correction coefficient;According to the diffusion coefficient, the convection phase correction coefficient, the pipeline parameters and the pipeline oil parameters, determine the mixed oil concentration distribution in pipeline, the mixed oil concentration distribution in pipeline is used to characterize the corresponding relationship between mixed oil concentration and pipeline length, the mixed oil concentration includes: the percentage of methanol volume in total mixed oil volume, and / or, the percentage of diesel volume in total mixed oil volume, by the technical scheme of the application, the mixed oil concentration distribution in pipeline can be accurately determined, to provide reference for mixed oil control and processing.

The utility model discloses a test device for observing an oil-shore interaction process of spilled oil. The test device comprises a water tank, a water supply system, an oil spill adding system and a detection and measurement system, an inlet section, a bank slope laying section and an outlet section are sequentially arranged in the water tank, and a river bank medium is laid on the bank slope laying section; the water supply system communicates with the inlet section to supply water flow; the spilled oil adding system is arranged close to the inlet section to add oil into the water flow; the detection and measurement system is in butt joint with the water tank and comprises a flow field measurement system used for detecting a water flow field in the water tank, a water surface oil spill observation system used for detecting the state of a water surface oil film and an oil spill concentration measurement system used for measuring the oil spill adsorption amount of a river bank medium in each time period. According to the technical scheme, an oil spill event in a natural river channel can be simulated, the oil-shore interaction process of oil spill can be deeply analyzed after data are collected through the detection and measurement system, and powerful support is provided for prevention and response of the oil spill event and subsequent environmental restoration.

This invention provides an oil concentration measuring device and an oil concentration measuring method. An oil concentration measuring device for cleaning solutions is provided that does not require expensive spectroscopic elements, detection elements, etc. The oil concentration measuring device (10) comprises: a light irradiation unit (104) that irradiates the target liquid (cleaning solution) with irradiation light having a measurement wavelength, the measurement wavelength being a predetermined wavelength between 280 nm and 300 nm; a transmitted light detection unit (105) that measures the intensity of transmitted light obtained by the irradiation light passing through the target liquid; and an oil concentration determination unit (1061) that calculates the absorbance of the target liquid at the measurement wavelength based on the intensity of the transmitted light measured by the transmitted light detection unit (105), and determines the oil concentration in the target liquid based on the absorbance value and a calibration curve representing the relationship between the oil concentration at the measurement wavelength and the absorbance.

The utility model discloses a cutting fluid two-way separating and filtering mechanism which comprises a filtering box, the top end of the filtering box is movably connected with a box cover, the two ends of the two sides of the bottom of the filtering box are fixedly connected with supporting legs, and the bottom ends of the two sides of the filtering box are fixedly connected with liquid outlet pipes. And the top end of the box cover is provided with a two-way separation mechanism for classified filtration. According to the cutting fluid two-way separating and filtering mechanism, the electric cylinder is arranged, cutting fluid is guided into the feeding hopper during filtering, the oil concentration detector in the feeding hopper can automatically detect the oil concentration in the cutting fluid so as to judge the type of the cutting fluid, and information is transmitted to the controller; the controller detects a signal to start the electric cylinder to drive the material blocking seat to move through the piston rod, the material guiding valve is opened after the material blocking seat is moved to a designated position, the cutting fluid can flow towards one side and is guided into one side of the interior of the filtering box through the liquid conveying opening in the bottom to be filtered, and the problem that classified filtering cannot be achieved is solved.

The application discloses a kind of based on manned submersible's submarine pipeline leak source searching method and system, method includes: the system model of establishing including submarine oil spill diffusion model, submersible upper layer control model and oil concentration sensor model;Based on the estimation framework of bayes, fusion real-time measurement information, adopt particle filter iterative update the posterior probability distribution of leak source state;Based on posterior distribution, adopt exploration and development dual control strategy to construct objective function, solve optimal control quantity and expected target position;According to target position, based on the dynamics model of submersible, design based on interference observer's backstepping controller drive submersible accurate tracking.The application realizes the autonomous positioning of leak source under complex submarine environment, with strong adaptability, high search efficiency, the advantages of good anti-interference ability, suitable for emergency search task of sudden leakage.

The present application relates to the technical field of oily wastewater treatment, and particularly relates to an oil-water separator, which solves the problems of low separation efficiency, poor adaptability and low automation degree of the existing equipment. The oil-water separator comprises a main cabin and a secondary cabin, and is matched with a water inlet system, a drainage system, an aeration system, an oil scraping system, an oil discharge system, a cleaning system and multiple sensors. The laser particle size analysis sensor is linked with the aeration system to realize the adaptation of the bubble and the oil particle size. The oil level sensor automatically switches the oil scraping mode of the scraper and the oil discharge mode of the oil discharge valve according to the thickness of the oil layer. The secondary cabin completes secondary filtration and oil phase collection. The filter membrane is configured with a reverse aeration cleaning structure, and the box body is also provided with a cleaning system to automatically clean the inside of the equipment under high pressure. The control module centrally links and controls each system and component of the oil-water separator to realize automatic operation of the whole process, adapt to the wastewater treatment requirements of different oil concentration and oil particle size, and can be applied to industrial, catering, oil field exploitation and other scenes.