200 results about "Oil content" patented technology

The invention relates to the field of oil field oil sludge treatment equipment, in particular to oil field oil sludge sand-water three-phase separation equipment, which comprises a pretreatment tank body, a rotary stirring shaft rotatably mounted in the tank body, a bottom bracket and a top bracket fixed on the shaft, and a plurality of stirring pipe sleeves with dosing holes arranged between the brackets; a chemical adding control system is further arranged and connected with the stirring shaft, the support and the stirring pipe sleeve, and the chemical adding position, the chemical adding speed and the hardening and tempering temperature can be cooperatively regulated and controlled through a normalization algorithm according to real-time data such as the oil sludge liquid level and the oil content; according to the invention, uniform diffusion and precise effect of liquid medicine are realized, demulsification and flocculation efficiency is maximized, consumption of the liquid medicine is obviously reduced, residual liquid medicine in a pipeline can be cleaned, long-term stable operation of equipment is guaranteed, a good foundation is laid for subsequent three-phase separation, and the overall treatment effect is improved.

The invention discloses a shale oil content prediction method, device and equipment and a medium, and relates to the technical field of shale oil exploration and development. A high-quality model training sample data set is constructed by integrating shale oil content data actually measured by an oil field and associated logging data of the shale oil content data. And based on the data set, performing model training by adopting a long-short-term memory neural network enhanced based on an attention mechanism, constructing a high-precision shale oil content prediction model, and further performing oil content prediction by utilizing the trained shale oil content prediction model. Petroleum logging data and a deep learning technology are combined, accurate calculation of the oil content of the shale reservoir in the stratum in-situ state is achieved, and the reliability of a prediction result is remarkably improved. Compared with a traditional method, the method has the advantages that the analysis period is greatly shortened, the test cost is reduced, meanwhile, the method has excellent generalization ability, the oil content prediction requirements of different types of shale oil reservoirs can be met, and efficient and accurate technical support is provided for shale oil exploration and development.

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 the technical field of oily wastewater treatment, and discloses a rotational flow dissolved air flotation degreaser which comprises a degreasing assembly and a tank body, a liquid inlet pipe and a liquid outlet pipe are fixed on the tank body, a water weir plate is fixed on the inner wall of the tank body, an oil collecting barrel is arranged on the inner side of the water weir plate, and an oil weir plate is arranged at the top of the oil collecting barrel; the adjusting assembly is arranged on the oil weir plate and comprises an adjusting piece, and the adjusting piece comprises a supporting rod fixed to the top of the oil collecting barrel. The oil tank has the beneficial effects that when an oil layer in the tank body is thickened, the height of the oil weir plate can be reduced through the adjusting assembly, so that the oil layer can quickly cross the oil weir plate to enter the oil collecting barrel without being accumulated to the original thickness, and further the situation that the oil layer is too thick and is brought into a purified water area by rotational flow, and the oil content of a purified water outlet exceeds the standard is avoided; the height of the oil weir plate can be increased through the adjusting assembly, so that a large amount of purified water is prevented from crossing the weir plate along with the thin oil layer and entering the oil collecting cylinder to obviously increase the water content of discharged oil.

The invention provides a self-adaptive pressure compensation type oil-water separation control system for an oil well, and relates to the field of oil exploitation, and the system comprises a working condition sensing module which is used for collecting state data of an oil-water separation mixture; the working condition pre-judging module is used for identifying a current oil-water separation working condition and a fluid characteristic change trend; the pressure compensation module is used for determining an optimal pressure parameter based on the current oil-water separation working condition and the fluid characteristic change trend; the pressure regulation execution module is used for controlling the operation of the oil-water separation control system based on the optimal pressure parameter; the feedback calibration module is used for collecting the mixing uniformity of an oil-water separation mixture, the water content of separated crude oil and the oil content of water, and optimizing a time window for fluid characteristic change trend identification; and the multi-mode switching module is used for indicating the pressure compensation module to adjust the optimal pressure parameter based on the sand content data and the instantaneous flow data of the oil-water separation mixture, and has the advantage of improving the oil-water separation effect.

The invention relates to the technical field of oil-gas separation, in particular to a bearing cavity ventilation outlet oil-gas separation device and method. The device comprises a pipe body, a spiral rotary wall body fixedly connected to the lower end of the pipe body and provided with an opening guide, grids on the wall body and a blocking part structure connected with the grids, and the outer wall face of the wall body is provided with a super-oleophobic coating. After installation, the outer surface of the wall body and the inner wall face of the bearing cavity form an oil blocking structure. Through shielding of a flowing oil film and splashing oil drops on the wall surface of a bearing cavity, oleophobic combination of gravity and grid filtering separation of an oil-gas mixture and combined separation of rotating centrifugal force and gravity of the oil-gas mixture guided into the device, lubricating oil flows back to the bearing cavity, the oil content of a ventilation outlet is reduced, it is guaranteed that gas is smoothly exhausted, and blockage is avoided.

A rotation speed control method and system, a device, and a storage medium is provided, which is applied to a heat pump system. The heat pump system includes a throttling short tube and a compressor, both sides of the throttling short tube are provided with a temperature sensor and a pressure sensor. The rotation speed control method includes: collecting actual data of the temperature sensors and the pressure sensors, processing to obtain temperature ratio data and pressure ratio data, and obtaining a corresponding oil content prediction model through matching; obtaining predicted oil content data according to the temperature ratio data and the pressure ratio data; and controlling a rotation speed of the compressor according to the predicted oil content data.

The invention belongs to the technical field of recovery of floating oil in sewage tanks in the petroleum industry, and particularly relates to a pumping device for floating oil in a sewage tank and a using method. In a working state, the floating plate drives the device to float along with the height of a page, the driving motor is started, the driving motor drives the rolling wheel to rotate, floating oil attached to the rolling wheel flows into the oil storage tank through the penetrating opening through the scraping plate, recovery of the floating oil accumulated on the liquid level in the sewage tank is completed, and the device is not limited by fluctuation of the liquid level in the tank; the two floating plates can float along with the height of the liquid level, oil slick is forcibly sucked, and the device has the advantages of being simple in structure, small in equipment investment, good in oil collecting effect, capable of saving manpower, reducing labor intensity and reducing the dirty oil content of injected water and capable of providing qualified sewage for next-step sewage treatment.

The utility model discloses a kind of oil removal and air flotation integrated water treatment equipment, including water treatment processor, water inlet pipeline and water outlet pipeline are respectively arranged at the both ends of water treatment processor;Two baffle plates are arranged in water treatment processor, further include: oil removal device and air flotation device, are arranged in the area between water inlet pipeline and the baffle plate close to water inlet pipeline, oil removal device is used to remove part of oiliness in water inlet substance;Air flotation device is used to produce bubble to make impurity in water inlet float out;Scraping residue device is arranged in the area between two baffle plates, for removing the float dregs generated by air flotation.The integrated water treatment equipment significantly improves the removal efficiency of oiliness in high oil content wastewater, overcomes its interference to air flotation process, solves the fundamental problem of low treatment efficiency of traditional air flotation process;At the same time, by efficient built-in oil removal mechanism, reduce or eliminate the dependence on excessive chemical agent, thereby solve the problem of large amount of chemical agent consumption caused by low efficiency of traditional air flotation process.

The invention relates to a device and method for evaluating the oil saturation of rock based on a step-by-step centrifugal volumetric method, and the device comprises a centrifugal unit which comprises a rotating support and a centrifugal tray sleeving the rotating support; the measuring unit comprises a plurality of closed detachable centrifugal tubes, the plurality of centrifugal tubes are uniformly arranged in the circumferential direction of the centrifugal tray, a pressurizing chamber, a sample chamber and a collecting chamber are sequentially arranged in each centrifugal tube from top to bottom, and the pressurizing chamber and the sample chamber are separated through a sealing partition plate and are controlled to be opened and closed through a valve; and the sample chamber and the collection chamber are separated by a filter screen. Compared with an organic solvent, the supercritical CO2 adopted by the method has obvious advantages in the quantification of the crude oil of the source rock. The oil content measuring agent has both gas diffusivity and liquid solubility, is small in molecular size, can penetrate through tiny pores of source rocks, is higher in dissolving capacity for heavy components in crude oil, and can fully extract the crude oil in various pores and reduce residues, so that the oil content of the rocks is more accurately quantified.

The present application relates to the field of analytical chemistry, and provide a kind of method for detecting complex matrix of agricultural products in guanidine morpholino salt hydrochloride.The extraction solvent of the present application uses acetonitrile+acid+aqueous solution, different acid is selected according to the water content of sample, trifluoroacetic acid is used for high water content sample, and formic acid is used for low water content sample;In purification, pH value is adjusted according to the oil content of sample, ammonia is used to adjust pH to 8.5 for high oil content sample, and pH value can not be adjusted for low oil content sample.In the method, NaCl is not added to make organic phase and aqueous phase in extraction liquid stratified, through the way of extracting three times repeatedly, the recovery rate of the method is guaranteed;And using ultra-high phase liquid chromatography triple quadrupole mass spectrometry technology, guanidine morpholino salt hydrochloride in complex matrix of agricultural products is successfully detected, the extraction method is fast and simple, the quantitative limit of guanidine morpholino salt hydrochloride in tea is 0.1mg / kg, and the quantitative limit in other matrix is 0.05mg / kg, which is suitable for routine analysis, and can meet the quantitative detection requirements of guanidine morpholino salt hydrochloride in complex matrix of agricultural products.

The invention relates to the technical field of rock core spectral analysis, in particular to a method, a device and equipment for detecting the original oil content of a rock core drilled by oil-based drilling fluid, and the method comprises the following steps: firstly, based on local waveform similarity of a rock core and a drilling fluid spectrum, accurately quantifying a wavelength-level oil-based interference degree and determining a fusion weight; constructing a drilling fluid fusion spectrum sequence reflecting the current rock core pollution characteristic, then finely correcting the rock core spectrum, and detecting the original oil content of the rock core according to an obtained corrected spectrum curve and a pre-constructed spectrum peak area-crude oil component volume percentage content relation equation; according to the method, the heterogeneity of the drilling fluid and the wavelength interference difference are fully considered, accurate denoising is implemented by constructing the self-adaptive background spectrum, the problem of excessive signal removal or residual caused by a traditional global difference method is effectively avoided, the corrected spectrum curve after correction can restore the original characteristics of the rock core more truly, and the accuracy of the rock core is improved. The accuracy of detecting the original oil content of the polluted rock core is obviously improved.

The invention belongs to the technical field of perilla oil extraction, and discloses a perilla oil extraction device which comprises a tank body, a support is fixedly installed on the tank body, a ball head is fixedly installed on the support, the ball head is installed in a ball seat in a matched mode, and an outer cylinder is connected to the ball seat through a connecting frame. The inner cylinder is supported by the ejector rod and the guide wheel, so that the filter screen can be always kept in an inclined state, oil can be always naturally collected to a residue-free area in the filtering process, residues at a high position are promoted to be precipitated at a shallow layer under the action of oil flow, the filtering efficiency and the utilization rate of the filter screen are greatly improved, and the service life of the filter screen is prolonged. And in the process of collecting the residues, secondary recovery of grease can be realized through the permeation holes in the sleeve, so that the content of grease in the residues is reduced, the problem of grease waste is reduced, and the extraction rate of perilla oil is improved.

The invention relates to the technical field of oil-gas field development, and particularly discloses a fracturing flow-back fluid oil-water separation method based on a centrifugal down-flow same-term capture technology. Comprising the following steps: S1, pretreatment: filtering the fracturing flow-back fluid to remove large-particle-size suspended solids contained in the fracturing flow-back fluid so as to obtain a pretreatment fluid; s2, demulsification: adding a demulsifier into the pretreatment solution obtained in S1, and stirring and mixing to obtain a demulsification solution; s3, air flotation separation; s4, performing centrifugal downstream same-term capturing; s5, collecting an oil phase; s6, water phase purification; and S7, recovering and circulating the medicament. The oil-water separation method for the fracturing flow-back fluid can be used for treating the fracturing flow-back fluid with the high emulsification degree generated in the exploitation process of unconventional oil and gas resources such as shale gas and tight oil and gas, and has the advantages of being high in separation efficiency, low in oil content of effluent, high in system adaptability, controllable in comprehensive operation cost and environmentally friendly.

The embodiment of the invention provides a carbon dioxide huff and puff experimental device and method under a tight oil reservoir, and relates to the technical field of oil and gas development. The experimental device comprises a sample chamber which is provided with an accommodating cavity; the injection structure is used for injecting water and oil into the containing cavity so that the rock core sample can be filled with the water and the oil, and the injection structure is used for injecting carbon dioxide into the containing cavity so that the carbon dioxide can enter the rock core sample and part of the water and the oil can be extracted; the pressure control system is used for applying pressure to the rock core sample; the heating device is used for heating the rock core sample; the pore detection device is used for detecting the pressure in the sample chamber; the resistance meter is used for detecting resistance parameters of water and oil in the rock core sample. Compared with the prior art, the amount of water and oil contained in the rock core sample can be detected and calculated through the pore detection device and the resistance meter, precision is high, errors are small, injection parameters of carbon dioxide can be conveniently adjusted according to the content of water and oil in the rock core sample, and the experiment efficiency is improved.

The application provides a motor assembly of a compressor and a scroll compressor. The motor assembly of the compressor comprises a crankshaft, a first balance block, a rotor and an oil separation assembly. The crankshaft penetrates the rotor, and the crankshaft is provided with the first balance block. The oil separation assembly comprises a first oil baffle and a second oil baffle. The second oil baffle is arranged on the first balance block, and the second oil baffle is arranged opposite to the first oil baffle. Air flow in the compressor comprises first air flow and second air flow. The second oil baffle is used for oil-gas separation of the first air flow flowing through the second oil baffle, and the first oil baffle is used for first oil-gas separation of the second air flow flowing through the first oil baffle. Part of the air flow after the first oil-gas separation flows through the second oil baffle after being combined with the first air flow. The application fully realizes multiple cycle oil separation, reduces the oil content when the refrigerant is discharged, and solves the problem of oil deficiency of the compressor caused by high oil content and slow oil return during high-frequency operation of the compressor.

The invention discloses a method for cleaning and detecting oil stains on the outer surface of a cylinder barrel of a hydraulic oil cylinder coating line. The method specifically comprises the following steps: (1) conveying the cylinder barrel into a cleaning chamber from front to back by a coating line conveying chain; (2) identifying the size information of the cylinder barrel and the suspension height position of the cylinder barrel; (3) the cylinder diameter and the length of the cylinder barrel are accurately determined; (4) determining the opening number and sequence of nozzles of the high-pressure steam cleaning system; (5) carrying out equal-area adaptive mesh generation on the surface of the cylinder barrel based on convergence analysis; (6) measuring the oil stain content of each grid on the surface of the cylinder barrel through a fluorescence detection system; seventhly, cleaning parameters are matched and set according to the oil contamination content; determining a greasy dirt content threshold value; (8) cleaning the surface of the cylinder barrel; and (9) re-checking the oil stain content, and optimizing the cleaning parameters until the cleaning effect is qualified. The cleaning compatibility of cylinder barrels with different cylinder diameters can be effectively improved, cleaning parameters are adjusted in a self-adaptive mode, waste of cleaning resources is avoided, the more intelligent the equipment is used, and the cleaning effect is guaranteed.

The present application relates to oil and gas geology evaluation technical field, specifically to a kind of construction method of resistivity model for evaluating the adsorbed oil content of shale oil reservoir.The method includes: based on effective medium symmetric conduction theory, establish the shale adsorbed oil resistivity model consisting of rock skeleton, adsorbed oil, free oil, free water and clay bound water five components;According to well logging data, determine the mineral skeleton content, argillaceous content and porosity in the model;Using the whole rock XRD of core sample, porosity determination and rock pyrolysis experimental data, the model geometric parameters are determined by using Powell optimization algorithm;Finally, the adsorbed oil component content is solved according to dichotomy iteration algorithm and converted into adsorbed oil mass.The present application overcomes the problem that traditional step pyrolysis experiment is limited by core sample and is difficult to realize continuous evaluation of whole well section, realizes continuous and quantitative evaluation of the adsorbed oil content of shale oil reservoir, and provides technical support for the evaluation of adsorbed oil content of shale oil reservoir.

The invention provides an on-line oil supplementing device for a power transformer voltage regulating switch. An oil gas monitoring container in the device is communicated with an oil conservator through a first oil pipe, communicated with an oil storage tank through a second oil pipe and communicated with a pressure monitor through a main gas pipe; the oil pump is arranged on the second oil pipe close to the oil storage tank; the first oil valve is arranged on the first oil pipe and close to the oil conservator; the second oil valve is arranged on the second oil pipe and is close to the oil-gas monitoring container; an exhaust valve is arranged at the other end of the branch air pipe; when the oil conservator oil capacity proportion is smaller than a first proportion, the oil pump, the first oil valve, the second oil valve and the exhaust valve are opened, after the oil capacity proportion of the oil gas monitoring container is larger than a second proportion, the exhaust valve is closed, and the oil flow rate is controlled by adjusting the output of the oil pump based on the pressure monitor until the oil conservator oil capacity proportion is larger than a third proportion; closing the oil pump and the first and second oil valves. According to the invention, on-line oil supplementation can be carried out on the voltage regulating switch under the condition that the power transformer is not powered off.

The application discloses a kind of quantitative analysis method, processing method, filter device preparation method and filter device of petroleum emulsion waste liquid, the quantitative analysis method includes: using filter device to 0.5~1.5mL / s with the filter rate of petroleum emulsion waste liquid is filtered and is handled, and the filtrate before petroleum emulsion waste liquid is filtered through each filter layer of filter device is obtained respectively;Filter device is washed back with 0.2~1.0mL / s with the filter rate, to obtain the filtrate of each filter layer;Determine the oil content in filtrate based on petroleum determination method, and determine the content of the combination of oil and particulate matter in petroleum emulsion waste liquid according to oil content and the weight of filtrate, the effect and quantification of emulsification caused by particulate matter are shown, which provides a basis for further demulsification.

The utility model discloses a filter for oil and gas gathering and transportation, and belongs to the technical field of oil and gas filters. Comprising a shell, a connecting cover is arranged on the bottom face of the shell, a filtering piece is installed in the center of the top face of the connecting cover and used for separating oil and gas, the center of the bottom face of the connecting cover communicates with a feeding pipe, the side face of the feeding pipe communicates with a backflow pipe, and the backflow pipe communicates with a one-way valve; a three-way ball valve is connected between the guide pipe and the backflow pipe and further communicated with a discharging pipe, and a detection piece is installed on the outer side of the guide pipe and used for detecting the oil content. The filter applied to oil and gas gathering and transportation can be used for detecting filtered gas, and filtered impure gas is poured into the filter again to be filtered, so that the purity of the gas is improved.

The utility model discloses a high-precision analyzer for petroleum content in water, which relates to the technical field of analysis of petroleum content in water and comprises a spectrum analyzer, a spectrum detection component is mounted on the outer side of the spectrum analyzer, and a measurement auxiliary component is mounted on the outer side of the spectrum detection component. Wherein the measurement auxiliary assembly comprises a water inlet cover. The water level in the detection cover is monitored in real time through the water level detector, it is guaranteed that the water level is kept within a proper range, and therefore detection continuity and stability are guaranteed, an external flowing water source is isolated from a water source in the detection cover through cooperation of the limiting plate, the driving motor, the temperature expansion sensor and the water isolation block, and the detection efficiency is improved. And most impurities and impurities possibly interfering spectrum detection are isolated on the outer side of the detection cover through the filter screen, and the whole detection is stable in water through the adjustable height of the telescopic rod.

The invention provides a method and a device for determining the content of free oil in a shale sample. Acquiring a shale sample of the target area, and performing fluid occurrence state recovery treatment on the shale sample to obtain a target shale sample; performing constant-temperature evaporation treatment on the target shale sample, and collecting sample quality data and nuclear magnetic resonance monitoring data at a plurality of time points in the constant-temperature evaporation process; constructing a time-porosity curve according to the sample quality data and the nuclear magnetic resonance monitoring data; determining a porosity interval corresponding to the free oil evaporation stage according to the time-porosity curve; first nuclear magnetic resonance monitoring data at a starting time point and second nuclear magnetic resonance monitoring data at an ending time point are extracted from the nuclear magnetic resonance monitoring data at the multiple time points, and the variation of the content of the clay adsorbed water is calculated; and determining the free oil content of the target shale sample according to the porosity interval and the variation of the clay adsorbed water content. Therefore, the accuracy and reliability of the determination result of the free oil content are improved.

The invention provides automatic equipment for assisting shale sample pyrolysis oiliness analysis and a control method thereof. According to the equipment structure, the low-temperature storage platform is formed by stacking a red copper alloy lofting table, a refrigeration sheet and a water cooling plate, and heat-conducting silicone grease is clamped between every two of the low-temperature storage platform; a plurality of nozzles are arranged on a vertical plate of the air injection drying assembly; the sealing door assembly comprises a sealing door and a linear driving device, the sealing door is U-shaped, a photoelectric switch is arranged on the side wall of the sealing door, a polyurethane heat insulation cotton and nano aerogel heat preservation structure is arranged in the sealing door, and a stepping motor drives a lead screw to drive the sealing door to move along the sliding rail assembly; the mechanical arm assembly can clamp and place samples and control the sealing door to be opened and closed. The equipment maintains low temperature of samples through the low-temperature storage platform, cooperates with automatic operation of the sealing door and the mechanical arm, and isolates air through the air injection drying assembly, solves the problems of low efficiency, difficult operation and temperature control failure of traditional equipment, improves the detection precision, guarantees the operation safety, and realizes batch processing.

The invention provides an oil-water separation effect prediction method and device based on a Lonion model. The method comprises the following steps: defining an input independent variable vector f (x) = [x1, x2,..., x8] T; performing feature engineering extension on the input independent variable vector to generate an extended feature vector f (z); the extended feature vector f (z) comprises an original feature vector, a polynomial feature vector and a physical interaction feature vector; inputting the extended feature vector f (z) into a pre-trained prediction model to obtain a predicted value, output by the pre-trained prediction model, of the oil content of the effluent of the air flotation synergistic device; inputting the predicted value into an integrated prediction framework to obtain a final predicted value and uncertainty estimation; displaying the final predicted value and the uncertainty estimation to a user through a display interface; according to the technical scheme, the accuracy, robustness and physical consistency of oil content prediction of the effluent can be improved.

This utility model provides an exhaust structure and a vane-type air compressor, belonging to the field of air compressor technology. It includes an oil reservoir, an end cover, and an oil-gas separator. The oil reservoir contains a stator-rotor vane assembly for compressed air. A first oil-impact chamber is formed between the portion of the oil reservoir above the internal liquid level and the outer periphery of the stator-rotor vane assembly. The end cover is fixedly connected to the end wall of the oil reservoir, and a second oil-impact chamber is provided inside the end cover, communicating with the first oil-impact chamber. The oil-gas separator is connected to the end cover and communicates with the second oil-impact chamber. The high-pressure air discharged from the stator-rotor vane assembly sequentially passes through the first oil-impact chamber, the second oil-impact chamber, and the oil-gas separator. The exhaust structure and vane-type air compressor provided by this utility model allow the high-pressure air to undergo two collisions to remove oil before entering the oil-gas separator during the exhaust process. Compared to methods that rely entirely on the oil-gas separator, this significantly reduces the oil content in the exhaust gas.

The invention discloses an oil content prediction method and device, equipment and a storage medium. The method comprises the following steps: acquiring a first object containing a well completion segment and a corresponding depth interval, multi-curve logging time sequence data and an adjacency relation containing an initial node and an edge set; constructing a first algorithm model to generate a layer section embedding vector representing the lithologic pore structure and fluid response; the embedding similarity is calculated based on the layer segment embedding vector, and a gated graph structure is generated in combination with the adjacency relation; constructing a second algorithm model, inputting a graph structure and a layer segment embedding vector, and outputting a layer segment oil content estimation value; and according to the estimated value, screening and sorting high-oil-content reservoir sections to form an in-well layering result containing the reservoir section identifier. According to the method, the accuracy and availability of oil content estimation of the old well layer are improved by constraining the spreading range and sequence of the oil content information and considering cross-well information utilization and section-level feature representation.

The utility model relates to the technical field of oil stain detection in sewage, in particular to an oil content detection device for oil-containing sludge water. The oily sludge water oil content detection device comprises an oil-in-water sensor and a mounting frame, a supporting frame for fixing the oil-in-water sensor is fixedly mounted outside the oil-in-water sensor, and an adjusting assembly for adjusting the position of the oil-in-water sensor is arranged on the mounting frame. When the oil content detection device for the oily sludge water is used, the height of the oil-in-water sensor suspended below the device can be adjusted by winding the pull rope, so that the putting depth of the oil-in-water sensor can be flexibly adjusted, the oil-in-water sensor can be used for monitoring different depths, and the comprehensiveness of later detection data is improved.

The utility model relates to centrifugal equipment technical field especially, is involved in a kind of retainer vacuum oil throwing device, specifically includes: device ontology is arranged in metal frame, the top of device ontology is provided with upper cylinder barrel cover, device ontology has sealed working cavity, the bottom of sealed working cavity is provided with magnetic fluid sealing device, oil throwing shaft sleeve is set on magnetic fluid sealing device, oil throwing adapter shaft is rotatably set in oil throwing shaft sleeve, oil throwing adapter shaft is connected with oil throwing shaft, the top of oil throwing shaft is provided with gland, vacuum pump is connected with sealed working cavity by connecting pipe, vacuum pump is set in metal frame, the rotating shaft of motor passes through the shaft hole of magnetic fluid sealing device and the bottom wall of device ontology and is connected with oil throwing adapter shaft. Solve the centrifugal force ability reserve of traditional oil throwing device, cannot satisfy the requirement of extensive centrifugal force threshold range, need to repeat the operation process of oil throwing multiple times to reach the oil content required by retainer, the problem of low oil throwing efficiency.