4175 results about "Oil water" patented technology

The invention discloses a control system applied to an oil-water residue separator, relates to the technical field of equipment control, and constructs a closed-loop control architecture comprising a liquid level sensor, a physical property sensor, a data processing module, a control decision module and an execution module. According to the system, liquid level change trend and conductivity mutation characteristics are extracted, an emulsification interference prediction model is constructed, a discharge threshold value is dynamically corrected, discharge conditions are intelligently judged in combination with separation time logic, discharge operation of oil, water and slag is accurately controlled, the system effectively avoids mistaken arrangement in an emulsification state, the separation efficiency and the automation level are improved, and the system is suitable for large-scale popularization and application. And the operation stability and the environmental protection compliance of the equipment under a high-complexity working condition are obviously enhanced.

The invention discloses a method and device for recognizing the water outlet position and the water outlet mode of a horizontal well based on DTS temperature profile features. Comprising the following steps: acquiring distributed optical fiber temperature sensing (DTS) temperature profile data along a horizontal shaft; establishing a multiphase flow horizontal well temperature prediction composite model as a forward model; an inversion model is established, and stratum permeability distribution and an oil-water output profile are obtained; according to the well section with the water phase liquid production capacity exceeding a preset threshold value in the production profile, the water outlet position of the horizontal well is recognized; and determining the water outlet mode of the horizontal well by combining the analysis result of the multiphase flow horizontal well temperature prediction composite model on the temperature response in different water outlet modes according to the temperature change characteristics presented at the identified water outlet position by the DTS temperature profile. Compared with the prior art, the water outlet position can be more accurately recognized, the water outlet mode can be effectively distinguished, the monitoring cost is reduced, and powerful technical support is provided for water control and oil stabilization of the horizontal well.

The utility model belongs to the technical field of coal tar chemical industry, and particularly discloses a coal tar raw material layering dehydration device which comprises a raw material tank and a base, the lower end of the raw material tank is fixedly connected with the base, a feeding port is formed in the top of the raw material tank, and the outer side of the raw material tank is sleeved with a steam heat exchange sleeve. A water layer drain pipe is fixedly connected to the upper side of the raw material tank, an oil layer drain pipe is fixedly connected to the lower side of the raw material tank, a mixed drain pipe is fixedly connected between the water layer drain pipe and the oil layer drain pipe, the other end of the mixed drain pipe is fixedly connected with an electromagnetic three-way valve, and a liquid density sensor is fixedly connected to the inner wall of the raw material tank at the position of the mixed drain pipe. According to the utility model, the three liquid discharge pipes with different height positions are arranged, the liquid density sensor is arranged at the input end of the mixed liquid discharge pipe, and the controller is linked with the electromagnetic three-way valve at the output end of the mixed liquid discharge pipe, so that the automatic distinguishing and confirmation of an oil-water separation end point are realized, and the accuracy of oil-water separation is improved.

The invention relates to the technical field of petrochemical engineering, and particularly discloses a preparation method of a high-sulfur and high-acid crude oil demulsifier, which comprises the following steps: uniformly mixing 40-60 parts by mass of modified polyether, 25-30 parts by mass of zwitterionic surfactant and 10-12 parts by mass of solvent, heating to 50-70 DEG C, reacting for 1-2 hours, and cooling to room temperature to obtain the high-sulfur and high-acid crude oil demulsifier. Adding 3-8 parts by mass of activated aluminum oxide, 8-16 parts by mass of an antacid and 2-4 parts by mass of a corrosion inhibitor, uniformly mixing, adding 0.5-1 part by mass of a defoaming agent, uniformly mixing, cooling, and standing for layering to obtain a demulsifier; the antacid comprises ethanolamine and zinc oxide. The demulsifier prepared by the invention not only has excellent performance in the aspects of dehydration and promotion of oil-water separation, but also can improve the quality of crude oil and reduce the acid value and the sulfur content to a certain extent.

The invention discloses an ultrasonic water meter measurement correction method based on fluid parameter coupling. The method comprises the following steps: collecting multiple parameters in real time; dynamically matching fluid physical property parameters; calculating a dynamic correction factor; and sound velocity temperature correction and flow output. The multi-parameter coupling correction enables the measurement precision to be obviously improved, the applicability is wider, and the real-time performance and the stability are stronger; the problems that according to an existing ultrasonic water meter temperature compensation scheme, the nonlinear influence of fluid viscosity change caused by temperature change on the sound velocity is not considered, the coupling effect of flow velocity distribution and the Reynolds number (Re) is ignored, and errors are obvious in the scene of high-viscosity fluid (such as oil-water mixed liquid) are solved.

The invention relates to the technical field of rock sample oil-water saturation determination based on a nuclear magnetic technology, and provides a shale sample oil-water saturation intelligent determination method based on a two-dimensional nuclear magnetic technology, and the method comprises the following steps: collecting volumes, echo signals and signal-to-noise ratios of a preset number of rock samples; marking a target rock sample and a comparison rock sample, and determining a volume influence comprehensive interference degree and a noise amplification coefficient of a target echo signal; obtaining a denoised target echo signal according to the target echo signal, the volume of the rock sample corresponding to the target echo signal and the noise amplification coefficient of the echo signal; according to experiments of rock sample two-dimensional nuclear magnetic oil-water distribution, pore attributes and the like, a two-dimensional nuclear magnetic T1-T2 map is divided into an invalid pore area and an effective pore area of a rock sample corresponding to the two-dimensional nuclear magnetic T1-T2 map and an oil-water distribution area of the effective pore area, a fluid close to reservoir oil-water distribution is adopted to recover a two-dimensional nuclear magnetic spectrum of the rock sample, and the oil-water content corresponding to a nuclear magnetic signal is extracted; and obtaining a rock sample oil-water saturation determination result based on the nuclear magnetic technology.

The invention relates to the technical field of material science and engineering, and discloses a nanocellulose-based oil-water separation and adsorption composite material, which is prepared from the following raw materials in parts by mass: 35 to 45 parts of nanocellulose; 8 to 11 parts of bagasse cellulose; 10 to 15 parts of sodium lignin sulfonate; 4 to 8 parts of chitosan; 5-10 parts of oxidized starch; 5 to 8 parts of cellulose nanowhiskers; 2-5 parts of silicon dioxide nanoparticles; 0.5 to 1 part of calcium carbonate nanoparticles; 1-2 parts of a citric acid cross-linking agent; 1-2 parts of graphene oxide; 0.3 to 0.6 part of ethylene diamine tetraacetic acid; 2-5 parts of glycerol; 0.4 to 1 part of stearoyl chloride; 2-4 parts of nano iron oxide; the preparation method comprises the following steps: pretreating the raw materials, mixing the pretreated raw materials into slurry, carrying out crosslinking and ultrasonic dispersion, standing to obtain a basic mixture, injecting the basic mixture into a mold, carrying out freeze drying to form a photocatalytic layer, carrying out centrifugal dewatering, carrying out chelation reaction, spraying a composite solution, and carrying out vacuum drying to obtain the photocatalytic material. The obtained composite material has the advantages of efficient adsorption capacity, good mechanical properties, environmental friendliness, degradability and low preparation cost.

The invention discloses an oil storage tank oil-water interface measurement system and method and a storage medium, and relates to the technical field of oil-water interface measurement, and the system comprises a data acquisition module, a data processing module, a decision support module and a data security module. According to the oil-water interface measuring system and method for the oil storage tank and the storage medium, a three-dimensional sensing network (distributed sensor network) is constructed by adopting a pressure sensor array and phased array ultrasonic scanning technology and combining dielectric property detection of a microwave dielectric constant sensor; the pressure, the dielectric constant, the liquid level and the vibration data in the tank body are obtained, basic data are provided for subsequent processing, the comprehensiveness of data obtaining can be improved through the sensing network, the pressure data are dynamically calibrated through Takagi-Sugeno fuzzy logic, the influence of temperature drift is effectively eliminated, and the accuracy of data obtaining is improved. The ultrasonic signals are subjected to feature enhancement through the generative adversarial network, and the emulsion layer boundary is accurately recognized.

The utility model belongs to the technical field of sewage treatment, and particularly relates to a coalescence air floatation oil removal device for oil and gas field wastewater treatment, which is characterized in that a cyclone sand remover, an oil particle coalescence layer, a micro air floatation device, an oil discharge device and a water discharge pipe are sequentially arranged in a shell from bottom to top, and an exhaust device is arranged at the upper part of one side of the shell; a sewage inlet pipe is arranged on the lower portion of one side of the shell and connected to the feeding end of the cyclone desander. Oily sewage passes through the cyclone sand remover to remove large-particle-size silt, then passes through the oil particle coalescence layer, tiny oil particles gradually form an oil film on the surface of a coalescence material, after the oil film reaches a certain thickness, the oil film is deformed into large oil droplets which are sufficient to be separated and rise from a water phase, and then oil drops and suspended flocs in the oily sewage are removed through the micro air flotation device. Finally, floating oil enters the oil discharging device to be discharged, the oil-removed sewage is discharged through the water discharging pipe, oil-water separation is completed, the oil removal purpose is achieved, the oil removal effect is better, the sewage treatment effect is improved, and the water quality of produced water is improved.

The invention discloses a method for monitoring and evaluating the separation effect of an oil-water residue separator, particularly relates to the field of wastewater treatment, and aims to solve the problem of misjudgment of the separation efficiency caused by grease solidification and flow field disorder in a cold start stage. Thermodynamic state offset and flow field stability parameters are accurately calculated, an oil layer semi-solid distribution proportion and separation interface reconstruction delay time are dynamically predicted by combining a pre-training model and an interface recovery theory, an actual effective separation area is solved by utilizing a dynamic compensation algorithm, and an oil layer polymerization degree evolution curve is predicted; finally, the separation effect standard reaching opportunity is intelligently judged through the synchronization rate index of the two-parameter evaluation matrix, oil layer damage caused by too early oil discharge or water quality pollution caused by too late operation is avoided, meanwhile, the equipment operation strategy is optimized by accurately predicting the oil layer polymerization state, ineffective abrasion of mechanical parts is reduced, the service life of key parts is prolonged, and the product quality is improved. And the effluent quality is stable and reaches the standard.

The microbial petroleum decontamination wastewater treatment device comprises an oil separation tank, pump bodies are installed at the front center and the rear center of the oil separation tank, an inclined plate is attached to the bottom of the oil separation tank, openings are formed in the positions, close to the top, of the front side and the rear side of the oil separation tank, and two penetrating openings are formed in the top of the oil separation tank; through mutual cooperation of the L-shaped fixing plate, the positioning plate, the movable plate, the rack, the reciprocating plate, the annular plate, the motor, the discharging box, the connecting plate, the guide plate, the L-shaped welding plate, the electric pole and other components, the oil separation tank can be used for oil separation, and the oil separation tank can be used for oil separation. When oil and suspended solids need to be removed, surface charges of oil drops can be reduced by scattering microorganisms, the oil drops are promoted to coalesce and float upwards, and the oil-water separation efficiency is improved.

The invention discloses an oil-water emulsification turbulent flow mixer structure which comprises an oil-water mixing pipe and a spiral strip, the spiral strip is fixedly arranged in the oil-water mixing pipe, a dorsal fin spiral rib is fixedly arranged on one side of the spiral strip in a surrounding mode, the dorsal fin spiral rib is provided with three parting spirals, and the inner side of the spiral strip is connected with a first rib edge; the outer side of the spiral strip is connected with a second rib edge, the first rib edge and the second rib edge are triangular, an arc-shaped turbulent flow protrusion is fixedly arranged between the spiral strip and the dorsal fin spiral rib in a matched mode, and a honeycomb grid is fixedly arranged between the first rib edge and the second rib edge and the spiral strip; through the parting spiral structure of the dorsal fin spiral ribs and the step-by-step decreasing design of the spiral curvature, a multi-stage vortex excitation area is formed, superposition of vortexes of different scales is induced, the oil-water mixing process is accelerated, through the synergistic effect of the hexagonal periodic topological units of the honeycomb grids and the surface micron-sized groove arrays, a flow field is segmented, boundary layer flowing is regulated and controlled, and the oil-water mixing effect is improved. The microscopic shear effect is enhanced, and the liquid drop crushing efficiency and the mixing uniformity are improved.

The invention provides a dirty oil sludge treatment method and skid-mounted dirty oil sludge treatment equipment, the method comprises treatment of dirty oil, aged oil, oily sludge and the like, and the main steps are as follows: short-time demulsification is performed through special equipment, and then primary and secondary centrifugal separation is performed to separate water, solid residues and other impurities in the dirty oil sludge, so that the dirty oil sludge is treated. And reduction and recycling of the oil sludge are realized. According to the skid-mounted dirty oil sludge treatment equipment, dirty oil sludge is pumped to a filter to remove large-particle-size impurities, then the dirty oil sludge enters a preheater to be heated, and the heated dirty oil enters a core treatment unit to be subjected to high-energy physical nucleation demulsification; feeding the demulsified sump oil into a horizontal screw centrifuge for solid-liquid separation, and bagging the separated solid residues or feeding the separated solid residues into a sludge drying pry; feeding a separated liquid phase into a three-phase disc centrifuge, carrying out oil-water separation, conveying separated oil out for refining, and conveying separated water out to a sewage treatment plant. And finally, physical and chemical inspection of an oil-phase, water-phase and solid-phase product is inspected, and operation parameters and the technological process are adjusted.

The invention provides a load distribution method, device and system for numerical reservoir simulation. The method comprises the steps that a grid file is obtained, the grid file is a file representing the geological space structure of a target area, the target area is one or more of a coal mine, an oil field, a geothermal field and a gas field, and the grid file comprises a plurality of grids; loads are distributed according to the types of grids in the grid file, the types of the grids comprise structured grids or non-structured grids, the loads are equipment used for reservoir numerical simulation, and the distribution mode comprises average distribution according to the number of the grids and / or average distribution according to the calculation time of the grids, the calculation time is time for load calculation of oil-water distribution of the target area during numerical reservoir simulation; and controlling all loads, and carrying out reservoir numerical simulation based on the distributed grid file. According to the method, the problem that in the prior art, load balancing cannot be achieved during load distribution in numerical reservoir simulation grid calculation is solved.

The invention relates to a coaxial microstrip antenna sensor for measuring the water holdup of an oil-water two-phase flow, which comprises an insertion body and an annular microstrip antenna arranged in a pipeline in the insertion body and used for transmitting a microwave signal; the pipeline outer annular microstrip antenna is arranged outside the measuring pipeline and is used for receiving microwave signals; wherein the insertion body is an insulator and is embedded into the center of the measuring pipeline, the axis of the insertion body is coaxial with the measuring pipeline, and a pipeline annular space is formed between the insertion body and the measuring pipeline; the annular microstrip antenna in the pipeline comprises an annular grounding polar plate, an annular radiation polar plate and a coaxial feeder line which are coaxially arranged, the annular grounding polar plate is embedded into the insert body and located on the inner layer, and the annular radiation polar plate is embedded into the insert body and located on the outer layer; the pipeline outer annular microstrip antenna used for receiving microwave signals is coaxially installed on the outer side of the pipe wall and comprises an annular radiation polar plate arranged on the outer wall of the pipeline, an annular shielding layer located on the periphery of the annular radiation polar plate and a coaxial feeder line.

The invention relates to the technical field of air compression stations, in particular to an air bearing-based digital energy air compression station with a noise reduction effect, which comprises a machine room, and a screw air compressor, a cooler, an oil-water separator, a first air storage tank, a dryer, a filter and a second air storage tank which are sequentially connected are arranged in the machine room. The first air storage tank is further connected with a first air supply pipe, and the second air storage tank is further connected with a second air supply pipe. An air bearing is selected for the screw type air compressor, a third air supply pipe is arranged between the filter and the second air storage tank, the third air supply pipe is connected with the air bearing, and part of compressed air is continuously input into an air path of the air bearing through the third air supply pipe. According to the screw type air compressor, mechanical friction can be avoided through the air bearing, so that noise is further reduced, the noise reduction effect of the digital energy air compressor is improved, and compressed air can be conveniently obtained by the air bearing in an air compression station.

The invention relates to the field of petrochemical equipment, and discloses a cobweb-shaped oil-water emulsification turbulator with turbulent flow fins, which comprises an oil-water emulsification pipe, a cobweb-shaped turbulator arranged in the oil-water emulsification pipe, and annular fins and bent fins fixed on the inner side of the pipe wall of the oil-water emulsification pipe, the annular fins and the bent fins are distributed in the axial direction of the oil-water emulsification pipe, the bent fins are arranged close to the cobweb-shaped spoiler, and a gap for fluid circulation is formed between the bent fins and the cobweb-shaped spoiler. A multi-scale composite turbulent flow field is constructed through cooperative cooperation of the annular fins, the bent fins and the cobweb-shaped spoilers, the annular fins can effectively damage a boundary layer of a pipe wall and enhance local shear force, so that oil drops leaning against the wall are separated from the pipe wall and guided to a central area of a pipeline, and the bent fins further guide fluid to deviate towards the center so as to reduce flowing dead zones. The net-shaped structure of the cobweb-shaped spoiler is used for continuously stretching, shearing and secondarily crushing oil drops, and the oil-water mixing uniformity and the emulsifying efficiency are remarkably improved under the combined action of the three parts.

The invention relates to a method and system for determining the water content of a safe shutdown boundary of a submarine mixed transportation pipeline, and the method comprises the steps: carrying out a physical property parameter test, and taking the physical property parameter as a multiphase flow simulation input parameter; carrying out submarine pipeline shutdown simulation on the basis of the physical property parameter test data, and obtaining oil section temperatures and spatial distribution characteristics at different water depth positions in the pipeline; carrying out an oil-water layering characteristic experiment under a temperature control condition to obtain an oil-water emulsion layering characteristic; sampling oil sections with different layer heights in the oil-water layering characteristic experiment, and testing the water content and simulating the yield / slip characteristic at the oil section temperature based on the temperature distribution of the oil sections; according to the yield / slip stress of the oil sections with different layer heights, carrying out segmented calculation and weighted accumulation to obtain an overall starting stress; on the basis of the overall starting stress, the safe shutdown boundary moisture content is determined in combination with pressure boundary conditions. The method can effectively guide the safe transportation stopping and restarting of the submarine pipeline, optimizes the replacement operation after the transportation stopping of the submarine pipeline, and improves the operation safety and economy.

The invention relates to the technical field of motor cooling, in particular to an oil-water composite cooling motor heat dissipation structure and a heat dissipation method thereof.The oil-water composite cooling motor heat dissipation structure comprises a machine shell, a stator iron core, a winding and a rotor are arranged in the machine shell, and a hollow shaft is inserted into the rotor in a penetrating mode. Water flows through the S-shaped water channel on the casing, the casing and the stator core are cooled when the water passes, most heat is taken away, and basic temperature control is maintained; cooling oil is guided into the first oil cooling channel, the second oil cooling channel and the third oil cooling channel through the oil inlets, it is guaranteed that all positions of the stator can make synchronous contact with heat dissipation oil in the first oil cooling channel, particularly, effective heat dissipation is conducted on a stator iron core, the oil enters an oil injection ring, and the cooling effect is improved. According to the utility model, oil is sprayed to a stator winding at 360 degrees circumferentially, heat dissipation is enhanced, the other two oil cooling channels guide oil to a bearing and a rotor respectively, a plurality of heating parts can be considered, a specific oil way is designed to directly cool the heating parts, the lubricating and heat dissipation efficiency is improved, and high-speed operation of the motor is realized.

The utility model belongs to the technical field of recovery of coking chemical products in the metallurgical coking industry, and particularly relates to a crude benzene oil-water separation integrated device which is characterized by comprising an oil-water separation area, an oil phase collection area and a water phase collection area, and a partition plate is annular and defines the oil-water separation area in the middle and the oil phase collection area surrounding the oil-water separation area; a crude benzene diversion weir is arranged between the periphery of the top of the partition plate and the oil phase collecting region; a flow guide expansion head and a flow guide baffle are arranged at the bottom of the inlet liquid guide pipe, and a dispersion flow channel in the transverse circumferential direction is formed between the flow guide expansion head and the flow guide baffle; a drainage pipe at the bottom of the oil-water separation area is provided with a diversion collector for transversely draining and collecting separated water from the periphery. The crude benzene oil-water separation device has the beneficial effects that the existing crude benzene oil-water separation process is improved, oil-water separation and reflux are integrated, and the equipment integration device saves the occupied area, simplifies the process flow and is convenient to operate and maintain.

The utility model relates to the technical field of coal tar processing equipment, and discloses an oil-water separator for coal tar processing, which comprises a separation tank, the feeding mechanism is arranged at the upper end of the separation tank; the discharging mechanism is arranged at the lower end of the separation tank, the separation tank comprises a tank body, and an oil outlet is formed in one end of the inner side wall of the tank body. According to the oil-water separation tank, the auxiliary water and oil mixture mixing and layering structure is arranged, namely, the spiral flow guide cover is arranged at the top of the tank body and matched with the feeding end, so that a water and oil mixture entering the tank body and a chemical reagent capable of promoting oil-water separation can be discharged after being spirally guided by the spiral flow guide cover, and a stirring mechanism at the bottom of the tank body is matched; according to the oil-water separator, mixing of a chemical reagent and a water-oil mixture can be promoted, rotation of the stirring paddle is stopped after mixing, the water-oil mixture entering the tank body can be rapidly mixed and layered, heavy water in the water-oil mixture can rapidly sink to the bottom, light oil in the water-oil mixture can rapidly float on the water-oil mixture, and therefore rapid oil-water separation is achieved.

The invention discloses a microemulsion interfacial tension efficient prediction method and system based on active learning and molecular dynamics. According to the method, 217 molecular descriptors corresponding to each molecular structure are calculated by adopting an RDKit software package, and the descriptors are used for representing molecular structure characteristics and serve as input variables of a machine learning model, so that key structure information including molecular branching degree, polarity and the like is transmitted. For an oil-water-surfactant ternary interface system, the oil-water interfacial tension in the presence of a surfactant is simulated and calculated through molecular dynamics, and an IFT value is set as a model prediction target. An active learning mechanism is introduced, and iterative sample labeling in the molecular dynamics simulation process is guided; and integrating the obtained IFT data with the molecular descriptor features, constructing a machine learning data set, and training a random forest model. According to the method, the problem of screening a high-performance surfactant layer by a middle-phase microemulsion system can be solved, and the ultra-low oil-water interfacial tension can be rapidly and efficiently screened.

The utility model relates to a system for reducing the acid value of hydrolysate in the separation and washing process of dimethyl dichlorosilane hydrolysate. Comprising three stages of coalescers, dimethyl dichlorosilane acidic hydrolysate enters the system from the first stage of coalescer, process water enters the system from the third stage of coalescer, the acidic hydrolysate and diluted hydrochloric acid or process water are mixed in each stage of coalescer, oil-water two-phase separation is completed through multiple times of washing and coalescence, and meanwhile the acid value of the hydrolysate is reduced; each stage of coalescer comprises two static mixers connected in series, a group of prefilters and a large coalescer, the coalescer is Z-shaped, and four stages of filter elements are arranged in each stage of coalescer. Through repeated tests, a modified polyvinylidene fluoride filter element of Pall Company is finally selected, and after continuous three-stage coalescer treatment, the acid value of dimethyldichlorosilane hydrolysate can be reduced to 10 PPM or below.

The invention discloses an oil reservoir polymer flooding process oil-water distribution simulation method and device based on a cellular automaton, equipment, a medium and a product, and relates to the field of oil reservoir engineering and seepage mechanics. The method comprises the steps that rectangular grid division is conducted on an oil reservoir space, three-dimensional coordinates of cellular nodes are determined, and a cellular automaton model is constructed; according to the polymer oil displacement scheme parameters, oil reservoir state parameters at the end moment of water displacement are initialized, and boundary conditions of the mole-type cellular automaton model are established; making an evolution rule for each neighborhood cellular node in the Moire cellular automaton model; according to a numerical value stability rule, adjusting parameters of each neighborhood cellular node in the Mohr-type cellular automaton model; according to the method, a relative permeability nonlinear regulation and control rule is formulated for the Mohr-type cellular automaton model to simulate oil-water distribution in the oil reservoir polymer flooding process of the Mohr-type cellular automaton model, the starting pressure gradient is accurately simulated, and the low-permeability oil reservoir evolution process is accurately described.

The utility model discloses polishing equipment facilitating oil-water separation, and belongs to the technical field of polishing equipment. The polishing equipment comprises a base, an X-axis tray extending in the transverse direction is arranged on the base, a Y-axis tray can be installed on the X-axis tray in a sliding mode in the transverse direction, a workbench can be installed on the Y-axis tray in a sliding mode in the longitudinal direction, and a polishing clamp assembly station is arranged on the workbench; cross beams which are parallel to the X-axis tray and are distributed at intervals in the longitudinal direction are arranged on the base and located on one side of the X-axis tray, the cross beams are used for assembling grinding disc assemblies, the area, located between the cross beams and the X-axis tray, of the upper surface of the base is sunken downwards to form a conical water receiving disc, and the X-axis tray and the Y-axis tray are sunken downwards to form conical oil collecting grooves. Polishing liquid falling in the polishing process is collected through the water pan, lubricating oil is collected through the oil collecting groove, and therefore the polishing liquid and the lubricating oil can be effectively prevented from being mixed together, and pollution of the polishing liquid and corrosion of a machine table are avoided.

The utility model relates to a two-stage isolation water seal, saturated vapor pressure driving and flash evaporation automatic sealing safety water cutting system for a liquefied hydrocarbon storage tank, and aims to ensure safe oil-water distribution. The liquefied hydrocarbon storage tank area pressure storage tank is connected in series with each automatic water cutting unit and then is connected with the sewage collection unit; the top of the sewage tank and the top of the water draining tank are respectively communicated with a safety release pipeline through a safety release valve and a bypass control valve; and an intelligent controller for controlling the sewage in the sewage tank to discharge liquefied hydrocarbon in a flash evaporation manner to the safety release pipeline under the primary isolation water seal and the saturated vapor pressure to drive the self-water-cutting tank to cut water and controlling the sewage in the sewage tank to be pressurized and discharged to the interface detection sensor to monitor the water level through the nitrogen pressurizing valve pipeline after discharge under the secondary isolation water seal is configured. The device has the advantages that liquefied hydrocarbon forming fire hazards does not exist in finally discharged sewage, and safe operation is ensured.

According to the automatic continuous treatment equipment for the oily sludge, the sludge is automatically pushed to a conveying cylinder through a pretreatment cylinder, the blocky sludge is crushed by the conveying cylinder and is uniformly conveyed to a treatment box, and magnetic pressing plates are sequentially attracted by electromagnetic blocks to press the sludge downwards, so that dynamic pressure is applied to the sludge, and primary dehydration is realized; meanwhile, demulsification balls are contained in dewatering balls released by the feeding box and penetrate into the sludge under the action of an electromagnetic block, demulsifying agents are released, the oil-water interfacial tension is reduced, an electric heating element is arranged in a spiral transmission rod, water evaporation is promoted through microwave heating, the dewatering balls are matched, and the oily sludge can be effectively dewatered, and magnetic balls move directionally under the action of an electromagnetic field; and the oil-water recycling tank realizes fine separation of oil and water through a filter screen membrane, and a deodorization box of the sludge collection tank synchronously triggers gas circulation for deodorization by utilizing linkage of an elastic air bag and an auxiliary air bag when the dewatering balls are recycled.

The invention provides an oil-water separation mineralization net film as well as a preparation method and application thereof. The oil-water separation mineralization net film comprises an organic layer crosslinked on a grid substrate, the inorganic layer grows in the organic layer in an in-situ mineralization manner; the organic layer is a polymer layer formed by coating a polymer solution containing a cross-linking agent on the grid substrate for cross-linking; the inorganic layer is an inorganic mineral particle layer which grows on the surface of the organic layer in an in-situ mineralization mode. The mineralized net film for oil-water separation not only has excellent binding capacity with the grid substrate, but also has high chemical stability of acid resistance, alkali resistance and organic solvent resistance and excellent mechanical performance, and can be widely applied to oil-water separation under complex conditions.

The invention discloses energy-saving and environment-friendly kitchen waste treatment equipment, and relates to the technical field of kitchen waste treatment, the energy-saving and environment-friendly kitchen waste treatment equipment comprises a feeding frame, a crushing mechanism, a connecting frame, a material separation mechanism, a controller, a water tank, an overflow pipe, a fixed pipe, a barrel, a connecting pipe, a water flow pumping assembly, a cleaning pipe I, a reciprocating assembly, a cleaning pipe II and a water flow control assembly. Kitchen garbage is crushed through the crushing mechanism, solid-liquid separation and oil-water separation are conducted on the garbage through the material separation mechanism, clear water in the water tank is pumped out through the water flow pumping assembly and fed into the first cleaning pipe and the second cleaning pipe, during crushing, a small amount of clear water flows out of the second cleaning pipe, the crushing effect is improved, and a large amount of clear water flows out of the first cleaning pipe; and after the material separation mechanism is washed and crushed, the water flow control assembly controls the cleaning pipe I and the cleaning pipe II in a delayed manner, so that after a period of time, the amount of clean water flowing out of the cleaning pipe I is reduced, the amount of clean water flowing out of the cleaning pipe II is increased, and the crushing mechanism is washed.

The invention relates to the technical field of oil-water separation, and discloses oil-water separation equipment which comprises a pool body, an annular discharging groove and a water outlet are formed in the inner side wall of the pool body, a separation baffle is installed on the inner wall of the annular discharging groove through an extending frame, and an oil collecting channel is further installed on the inner wall of the separation baffle. The lower end of the oil collecting channel is communicated with an oil outlet pipe; the tank body is provided with a feeding cylinder and a sludge discharging pipe, a pushing scraping plate is mounted on the outer side wall of the feeding cylinder through a rotating frame, the lower end of the feeding cylinder is communicated with a feeding pipe, and a feeding port is formed in the outer side wall of the feeding cylinder; the invention further discloses an oil-water separation process which comprises the following steps: S1, sewage introduction and pretreatment; s2, primary separation; s3, fine separation; s4, collecting and discharging oil liquid; and S5, water discharging: a multi-stage separation structure is adopted, the separation efficiency is greatly improved through multi-stage cooperation, a good separation effect on oil drops with small particle sizes is achieved, and the environment-friendly discharge requirement is met.