35 results about "Field separation" patented technology

The invention discloses a water algae bloom control device for multi-channel cross flow field separation. The water algae bloom control device comprises a floating body platform, and an algae slurry circulating lifting mechanism and an algae slurry collecting and treating mechanism which are arranged on the floating body platform, the algae slurry circulation lifting mechanism is composed of a crawler belt assembly and a plurality of transverse flow separators which are evenly and fixedly arranged on a crawler belt of the crawler belt assembly at intervals, the crawler belt assembly is obliquely arranged on the floating body platform through a support, and each transverse flow separator is composed of a shell cylinder and a filter cylinder which are sleeved inside and outside; a door opening is formed in the side wall of a shell barrel, located on one side of the conveying direction of the crawler belt assembly, of each transverse flow separator, and a control mechanism used for controlling the cover plate to be opened and closed is arranged on the floating body platform. The crawler circulating lifting mechanism drives the transverse flow separators to circularly rotate to automatically take water, filter and drain water and discharge algae slurry at a fixed point, water does not need to be pumped by a water pump, the algae slurry is discharged according to the self weight, and the energy consumption of the equipment can be effectively reduced.

The invention relates to a mode field separation high-polarization semiconductor laser and application thereof, and aims to solve the problem of low polarization degree caused by stress of an existing laser. The laser comprises a main mode field region and a coupling region which are stacked along an epitaxial growth direction. The main mode field region is used for limiting and lasing a first polarization optical mode; the coupling region is made of a high-loss material and is used for absorbing and attenuating the second polarization optical mode. The two meet the following matching conditions: the effective refractive index of the second polarization optical mode of the coupling region is matched with the effective refractive index of the specific m-order second polarization optical mode of the main mode field region, so that the second polarization optical mode is optically coupled and expanded to the coupling region to be dissipated; the effective refractive index of the first polarization optical mode of the coupling region is mismatched with the effective refractive index of the specific m-order first polarization optical mode of the main mode field region, so that the coupling region is limited in the main mode field region for stable lasing. According to the invention, a polarization-related mode filtering mechanism is utilized, so that the polarization degree and the process robustness of the laser are remarkably improved.

The application discloses a dynamic magnetic hysteresis model of amorphous / nanocrystalline alloy core considering stress dependence and temperature dependence, separates the magnetic field inside the amorphous / nanocrystalline alloy core according to the loss separation thought, and obtains corresponding magnetic field intensity by differentiating eddy current loss and residual loss with respect to magnetic flux density on the basis of the relationship between field quantity and energy, the magnetic hysteresis loss and the eddy current loss considering the stress dependence and the temperature dependence, and the dynamic magnetization characteristics generated by the eddy current loss and the residual loss of the amorphous / nanocrystalline alloy core. The dynamic magnetic field intensity of the amorphous / nanocrystalline alloy core is divided into the sum of the magnetic field intensities corresponding to the hysteresis loss, the eddy current loss and the residual loss based on the field separation technology and the loss statistical theory, and the dynamic magnetic hysteresis model of the amorphous / nanocrystalline alloy core under the influence of stress and temperature is established.

This invention provides a method and system for three-dimensional high-frequency controllable source electromagnetic numerical simulation with dual-source excitation. The method constructs a single-source electromagnetic field grid model and a three-dimensional spatial domain total field equation, converting it into a quadratic field control equation by separating the primary and secondary fields. Fourier transform is used to transform the equations to the wavenumber domain, and shape function interpolation is performed iteratively to obtain the wavenumber domain numerical solution. A single-source forward excitation solution is obtained through inverse Fourier transform. A single-source reverse excitation solution is obtained by reversing the current direction. Finally, the forward and reverse solutions are vector-superimposed to obtain the dual-source excitation simulation result. This invention solves the technical problems of existing technologies, such as simulation distortion caused by neglecting displacement current in the 100kHz-10MHz frequency band, numerical calculation interference from field source singularities, and low spatial resolution of complex underground anomalies under single-source excitation. By simulating gradient field response characteristics through dual-source reverse superposition, the sensitivity and exploration resolution of underground target boundaries are significantly improved.

The application discloses a kind of low field intensity magnetic susceptibility weighted imaging optimization method and system, it is related to magnetic susceptibility weighted imaging field, comprising: obtaining the K space original data obtained by scanning target object;According to K space original data reconstruction image field data, extract the amplitude data and phase data of image field data;Phase data is preliminary unwrapping processing, and unwrapping phase data is obtained;Unwrapping phase data is separated from background field, and local phase diagram is obtained;Local phase diagram and amplitude data are operated based on complex domain phase separation high-pass filter, and high-frequency phase data is obtained;According to high-frequency phase data and amplitude data, the reconstruction of magnetic susceptibility weighted image is carried out, and the magnetic susceptibility weighted image of target object is obtained.The application can significantly reduce the phase artifact of SWI image, and improve the definition of image detail.

The utility model discloses a gradient regulation type nanometer active silicon particle size synthesis reaction device, which relates to the technical field of nanometer active silicon particle size synthesis reaction devices and comprises an active silicon reaction kettle, a cavity is arranged in the active silicon reaction kettle, and an electric heating plate is sleeved in the cavity. The inner wall of the active silicon reaction kettle is fixedly connected with an ultrasonic assembly. According to the gradient regulation and control type nano active silicon particle size synthesis reaction device, through cooperative coupling of the electric heating plate and the ultrasonic assembly, the ultrasonic generator drives the multiple ultrasonic transducers which are symmetrically distributed to form a uniform cavitation field, and meanwhile the electric heating plate dynamically adjusts a temperature field based on a control panel instruction; space-time matching optimization of a temperature-cavitation dual-energy field is achieved, reaction nonuniformity caused by energy field separation of traditional equipment is effectively overcome, ultrasonic hot spots in the reaction kettle are eliminated through ultrasonic transducers which are arranged on a connecting rod in an axial symmetry mode, nano silicon particle nucleation growth kinetics are controllable, and the particle size standard deviation is reduced.

The invention discloses a combined panchromatic and hyperspectral imaging lens shared by primary and secondary mirrors. The combined panchromatic and hyperspectral imaging lens comprises a primary and secondary mirror telescope group, a field-of-view separation mirror and a three-mirror aberration correction mirror group. The primary and secondary mirror telescope group is used for receiving target light and converging the target light to the vicinity of the field-of-view separation mirror. And the view field separation mirror is used for turning the light converged by the primary and secondary mirror telescope group and separating the light into a panchromatic view field and a hyperspectral view field. According to the invention, a front-end light-collecting telescope system is constructed by two R-C coaxial reflectors, and an off-axis three-reflector system is connected to correct aberration, so that the design of an imaging system with a large field of view and a small F number is realized; field-of-view separation is carried out on a turning light path near a rear focus of the coaxial primary and secondary mirrors, and respective off-axis three-mirror design is carried out on panchromatic channels and hyperspectral channels of different fields of view in sequence to realize multifunctional imaging; a plurality of turning mirrors are added in respective off-axis three-mirror systems of panchromatic and hyperspectral for optical path folding, so that compact design is realized, and the size of the system is reduced.

The invention discloses a method for multi-source data joint identification and inversion of a middle and lower earth crust high conductor, and relates to the technical field of geophysical exploration. The method for multi-source data joint identification and inversion of the middle and lower earth crust high conductor mainly comprises the following steps: carrying out potential field separation on Bouguer gravity anomaly data to obtain residual gravity anomaly, regional gravity anomaly and field source depth, and further determining earth crust residual gravity anomaly and middle and lower earth crust density disturbance characteristics; and calculating residual gravity low anomalies reflecting the middle and lower earth crust high conductors in the research area, delineating plane distribution of the middle and lower earth crust high conductors, and performing random sub-domain three-dimensional automatic inversion for the residual gravity low anomalies to obtain a three-dimensional space distribution form of the middle and lower earth crust high conductors. By implementing the multi-source data combined identification and inversion method for the mid-lower earth crust high conductor provided by the invention, the mid-lower earth crust high conductor can be rapidly and effectively identified and inverted, and the three-dimensional space distribution of the mid-lower earth crust high conductor can be obtained.

The invention provides an abrupt slope spillway overflow surface cavitation risk assessment method and system, and relates to the technical field of overflow surface cavitation risk assessment, and the method specifically comprises the steps: constructing a three-dimensional model, and carrying out the simulation to obtain the flow velocity, water pressure and cavitation number; calculating a Reynolds number, judging a flow state and determining a critical flow rate; the streamline curvature and vorticity are extracted, flow field separation is judged, and a risk correction coefficient is determined; clustering the initial high-risk grid units by adopting a recursive traversal method, and calculating a risk correction coefficient mean value of the region; and in combination with the cavitation number and the flow velocity, judging an initial risk level and assigning an interval, correcting to obtain a final risk level of each grid unit, and visually generating a cavitation risk point location distribution diagram of the high-risk area. According to the method, the divided high-risk region is clear in boundary and accurate in range, the actual distribution rule of the cavitation risk on the overflow surface is truly restored, the region cumulative effect of flow field separation is fused into a risk judgment system, and the cavitation effect that the risk of a continuous region is higher is met.

The invention discloses a tank-type direct drinking water filtering system, which relates to the field of direct drinking water filtering, and comprises a raw water tank, a pretreatment filter, a digital high-pressure pump, a nanofiltration membrane assembly, an ozone ultraviolet sterilization device, a digital water tank, a user direct drinking faucet, a return water filter and a return water adjusting mechanism arranged on a return water pipeline, a fluid dynamic pressure balance control center is integrated in the digital high-pressure pump, a fluid dynamic fingerprint spectrum is constructed by extracting characteristics representing the backwater and inflow game state from original pressure data of a pump inlet, the fluid dynamic fingerprint spectrum is decoded to quantify the physical invasion degree of backwater jet flow, and a backpressure retardation index is obtained. And performing control law optimization calculation on the backpressure retardation index, resolving a pump speed dynamic compensation vector and a backwater damping adjustment coefficient, and converting the pump speed dynamic compensation vector and the backwater damping adjustment coefficient into entity actions of fluid machinery, so that the risk of pipeline howling and flow field separation caused by a ghost water hammer is thoroughly eradicated.

The invention provides a model training method, a VSP wave field separation method, a VSP wave field separation device and a medium, and relates to the field of oil-gas exploration. The method comprises the following steps: obtaining VSP sample data, constructing a first depth sparse self-encoding network, obtaining gradient features presented by different wave fields represented by the VSP sample data, carrying out wave field separation on the VSP sample data according to the gradient features to obtain different wave fields corresponding to a second depth sparse self-encoding network and the VSP sample data, and obtaining reconstructed VSP data according to the different wave fields. And calculating reconstruction loss, gradient loss and sparse penalty term loss, and further inputting the loss into a second deep sparse self-encoding network for iterative updating to obtain a trained deep sparse self-encoding network. According to the method, gradient features presented by different wave fields are utilized, a deep sparse self-encoding network is taken as a basis, the deep learning network which is suitable for VSP wave field separation and is high in practicability is obtained by adopting unsupervised model training, and high-precision VSP wave field separation is realized.

The application relates to a one-rocket multi-satellite layout method and system based on separation safety design, which comprises the following steps: obtaining an in-orbit attitude deviation at a satellite-rocket separation time, setting an initial separation state; setting mass center coordinates of M groups of satellites relative to a rocket body and separation energy of each satellite in the initial separation state, and completing population initialization; establishing a fitness function by taking the minimum far-field distance of two satellites within half a period to five periods after separation and the total attitude angular velocity of each satellite after separation as optimization indexes; calculating a fitness function value of each particle; updating individual extreme values and global extreme values; updating particle speed and particle position; and outputting one-rocket multi-satellite layout optimization results when a preset ending condition is met. The application solves the layout problem caused by coupling of structure layout and far-field separation with the increase of the number of separation bodies in one-rocket multi-satellite tasks, and provides guidance for structure layout by considering far-field safety in the initial structure layout, so that the structure overall design efficiency is improved.

The present application relates to a kind of spacecraft interstage separation design evaluation method, electronic equipment and storage medium, comprising the following steps: step S10, utilize the kinetic model to calculate output parameter, whether there is near-field separation safety risk according to output parameter, if there is no near-field separation safety risk, then carry out far-field separation safety analysis;Step S20, utilize spacecraft two-stage orbit model, calculate the relative distance after two-stage separation, judge whether there is collision risk.The present application effectively avoids the problem that variable is not identified sufficiently when independent analysis occurs, not only can the spacecraft separation safety under specific conditions be evaluated, but also the input parameter feasible solution without separation safety risk can be obtained by iterative calculation, and the separation design characteristic parameter is optimized in feasible solution, correct design data envelope line is obtained, which can effectively guide spacecraft optimization design work.

The application provides an anode segmented visual proton exchange membrane electrolytic cell, which comprises an anode end plate, a sealing cover plate, a flow field separation plate, an anode segmented flow field plate, a five-in-one membrane electrode layer, a cathode bipolar plate, a stainless steel plate, an insulating gasket and a cathode end plate which are sequentially stacked. The sealing cover plate and the flow field separation plate are both transparent polycarbonate plates, the anode segmented flow field plate is composed of eight independent titanium flow field plates with anode tabs, the five-in-one membrane electrode layer is composed of eight independent membrane electrodes and a polyethylene terephthalate film, and the cathode bipolar plate is provided with eight independent flow channels on the surface, four groups of holes on each of the two side faces for inserting thermocouple probes and heating rods and four cathode tabs. The application can monitor and measure local parameters such as current, voltage and temperature, and can accurately control the temperature of reaction water; in addition, the sealing cover plate and the flow field separation plate are both made of transparent materials, which provides conditions for observing the flow pattern of the two-phase flow of the anode and analyzing the influence of the flow pattern on the performance of the electrolytic cell.

The invention belongs to the technical field of oil and gas exploration, and discloses a VSP data wave field separation method and device, and the method comprises the steps: carrying out the first arrival pickup and one-dimensional interval velocity model calculation of original VSP data; performing static correction on the original VSP data; carrying out adaptive singular value decomposition on the VSP data of the downlink Pola level; performing anti-static correction on a residual wave field obtained by suppressing the downlink wave through adaptive singular value decomposition; performing residual wave field uplink fluctuation correction; carrying out self-adaptive singular value decomposition on the leveled residual wave field of the upgoing wave again; and carrying out reverse dynamic correction on the reserved upgoing wave field to obtain a separated upgoing wave field, and subtracting the separated upgoing wave field from the original VSP data to obtain a separated downgoing wave field. According to the method, VSP data wave field separation is carried out based on static correction, dynamic correction and two times of adaptive singular value decomposition, and the problems that traditional VSP data wave field separation is low in precision, and false frequency is likely to be generated are solved.

The invention provides magnetic bead separation equipment and a protein purification device.The magnetic bead separation equipment comprises a separation tank body and a magnetic field separator, the magnetic field separator is cylindrical, a magnetic field is formed on the radial inner side of the magnetic field separator, and the magnetic field separator can be arranged on the radial outer side of the separation tank body in a surrounding and sleeving manner; the magnetic field separator can move in the vertical direction relative to the separation tank body, so that the magnetic field separator moves between a first position and a second position, when the magnetic field separator is in the first position, the magnetic field separator and the separation tank body are located at different heights, and the separation tank body is located outside a magnetic field space formed by the magnetic field separator; when the magnetic field separator is in the second position state, the magnetic field separator and the separation tank body are located at the same height, the magnetic field separator surrounds the separation tank body, and the separation tank body is located in a magnetic field space formed by the magnetic field separator.

The invention discloses an unsupervised three-dimensional acoustic logging reflector imaging interpretation method based on evolutionary computation. The unsupervised three-dimensional acoustic logging reflector imaging interpretation method sequentially comprises the steps that underground acoustic wave full wave train data collected by a multi-pole sub-array acoustic logging instrument is obtained; wave field separation and reflected wave extraction; multidirectional migration imaging is carried out; adaptive image enhancement driven by evolutionary computation; constructing a three-dimensional point cloud; adaptive spatial clustering driven by evolutionary computation and geometric fitting and interpretation of a three-dimensional structure are carried out; according to the scheme, the processing parameters are adaptively optimized through an evolutionary computation algorithm, so that unsupervised three-dimensional imaging of the geological reflector around the well, adaptive optimization of the automatic segmentation and processing parameters and true three-dimensional quantitative interpretation of the geological structure are realized; the technical problems that parameter adjustment depends on artificial experience and cannot adapt to a dynamic noise environment, geometric distortion exists in two-dimensional interpretation, and supervised learning is difficult to use due to lack of labeled data in an existing sound wave remote detection technology are solved.

This invention provides a hollow fiber flow field separation device and system, comprising: a separation channel having a first port, a second port, and a third port, wherein a hollow fiber membrane is embedded within the separation channel. The first port and the second port are respectively connected to a current-carrying device; the first port and the third port are also respectively connected to a detection device; a sample introduction unit adapted to introduce micro / nano particle samples into the separation channel via the current-carrying device; and a valve control unit configured to automatically switch the flow path of the current-carrying device, such that the separation channel has: a first state in which the current-carrying device flows into the hollow fiber membrane through the first port and the second port respectively, causing the micro / nano particles to focus within the hollow fiber membrane, and causing the permeate separated by the hollow fiber membrane to flow to the detection device through the third port; and a second state in which the current-carrying device flows into the separation channel through the second port to elute the micro / nano particles focused within the hollow fiber membrane, and then flows to the detection device through the first port.

The invention discloses a medium and low field intensity magnetic sensitive weighted imaging optimization method and system, and relates to the field of magnetic sensitive weighted imaging, and the method comprises the steps: obtaining K space original data obtained by scanning a target object; reconstructing image domain data according to the K space original data, and extracting amplitude data and phase data of the image domain data; performing preliminary unwrapping processing on the phase data to obtain unwrapped phase data; performing background field separation on the unwrapping phase data to obtain a local phase diagram; performing high-pass filtering operation based on complex field phase separation on the local phase diagram and the amplitude data to obtain high-frequency phase data; and reconstructing a magnetic sensitive weighted image according to the high-frequency phase data and the amplitude data to obtain the magnetic sensitive weighted image of the target object. According to the method, the phase artifacts of the SWI image can be remarkably reduced, and the definition of image details is improved.

The application relates to a preparation method of a solid-phase adsorption resin and application of the solid-phase adsorption resin in uranium purification, and the preparation method comprises the following steps: (1) taking triethylamine, carbodiimide hydrochloride and 1-hydroxyphenyltriazole as catalysts, carrying out a substitution reaction of nitrilotriacetic acid and dialkylamine in dichloromethane solvent, drying a reaction product, and removing impurities through reduced pressure distillation to obtain a polyamide ligand product; and (2) loading the polyamide ligand onto a P120 carrier through a vacuum impregnation method to obtain the solid-phase adsorption resin. The solid-phase adsorption resin is suitable for deep purification of trace plutonium in a large amount of uranium, is suitable for a wide concentration range of uranium, plutonium and acid, has high purification depth, and is simple to operate, and is superior to existing related field separation materials.

The invention discloses a reservoir burial depth prediction method based on cooperation of multiple field domains, multiple offsets and multiple wave modes. According to the method provided by the invention, the accuracy and reliability of reservoir burial depth prediction are remarkably improved by integrating multi-offset observation data and a multi-waveform collaborative analysis technology. Specifically, an observation mode combining multi-azimuth non-zero offset and zero offset is adopted, so that the space coverage range of the underground structure is effectively expanded, and system errors caused by a single observation angle are reduced. A wave field separation technology is further utilized to extract multiple effective wave modes such as longitudinal waves, transverse waves, converted waves and reflected waves, an extended data set containing rich wave field information is constructed, extrapolation models are established for different target stratums through a multi-wave-mode propagation path intersection algorithm, and synchronous accurate prediction of the multi-target reservoir stratums is achieved.

A field separation device for rapidly recovering spilled mixed liquid. It primarily addresses the problems of poor treatment efficiency and ineffective oil-water separation in existing spilled mixed liquid systems. Its features include: a vacuum suction pump (11) draws sludge into an oil filter tank (2); after the filter tank (2) removes mud and sand, the oil-water mixture enters a separation tank; after separation in the separation tank, it is pumped by an oil suction pump (7) to an oil collection manifold and then into an oil storage tank (1); the separated water is pumped by a water suction pump (9) to a backwash heating tank (8), and then filtered through a membrane filtration device before being discharged. This field separation device for rapidly recovering spilled mixed liquid can achieve oil, water, and mud separation, and the separated water after multi-stage separation meets the discharge standards.

The application discloses a high-speed rail seismic data wave field separation method and system using random Cadzow filtering, and belongs to the technical field of exploration geophysics. The method comprises the following steps: collecting seismic data of high-speed rail passing time; estimating seismic wave propagation velocity through Radon transformation; correcting the time difference of the same direction wave field event to obtain aligned data; dividing the aligned data into blocks and randomly rearranging; performing Fourier transformation on the rearranged data and constructing a Hankel matrix; performing SVD decomposition and low-rank reconstruction on the Hankel matrix; reconstructing the frequency domain data block through inverse Hankel operation; performing inverse Fourier transformation and recovering the channel sequence; and extracting and averaging the central channel to obtain unidirectional wave field data. The system comprises corresponding functional modules. The application can effectively separate the mixed wave field of the high-speed rail seismic source, improve the data signal-to-noise ratio, and provide a reliable data basis for underground imaging.

The application discloses a kind of fusion engineering metal structure installation collaborative management system of Internet of Things, it is related to construction management technical field, comprising: obtaining the original data uploaded by the multiple types Internet of Things sensing terminal of construction site layout, and generate terminal field initial data by field separation processing;Based on the terminal field initial data, calculate the semantic label parameter of each field, according to field semantic similarity, merge and construct field mapping atlas;Extract the field matching relationship in field mapping atlas, and construct standard field structure template;The standard structured data record is generated by mapping matching between the standard field structure template and current sensing terminal data;The original data uploaded by the multiple types Internet of Things sensing terminal is unified format mapping by semantic aggregation in the application, to realize the standardized scheduling input of construction equipment number, construction progress data and installation node number, to further improve the generation stability of collaborative installation control instruction.

This invention patent proposes a method for detecting reservoir velocity changes through inter-well time-lapse seismic monitoring. The method involves conventional data processing, wavefield separation, and further processing of time-lapse seismic data. A sliding time window is designed, and the time-lapse cross-correlation coefficient is calculated for the time-lapse upwave seismic gathers within the sliding time window to obtain the delay time when the cross-correlation coefficient reaches its maximum value. The relative velocity change for each time window is calculated, and then the average velocity change is obtained. Subsequently, the wavefields of the time-lapse upwave and downwave are calculated channel by channel, and the velocity change as a function of depth is plotted. Through comprehensive comparison, the depth range of reservoir velocity changes is defined. This invention can effectively detect minute changes in underground reservoir velocity, define the depth range of velocity changes, has low investment cost and high computational efficiency, and improves the application effect of inter-well time-lapse seismic monitoring.

The invention relates to the technical field of separation engineering, in particular to an electric field enhanced membrane separation system which comprises a first shell and a second shell which are matched with each other and are fixedly and hermetically connected through corresponding screw holes and bolts, a reaction chamber is formed in the first shell and the second shell, and an ionic membrane and an electrode plate are arranged in the reaction chamber. And the top through hole of the shell is used for inserting the pole piece and externally connected with an electric field generator. A liquid inlet and a liquid outlet which are matched with each other are formed in the side wall of the shell, a liquid inlet groove and a liquid outlet groove are correspondingly formed in the shell, potential monitoring probes are arranged in the grooves, and the whole device adopts a BAB module combined structure and can be flexibly spliced. Directional ion migration is achieved through electric field strengthening, the mass transfer efficiency and the exchange rate are remarkably improved by combining dynamic potential and electric field intensity integrated control, and the device adapts to different raw material systems and is suitable for multi-field separation scenes.

The application discloses a primary and secondary mirror shared combined full-color and hyperspectral imaging lens, which comprises a primary and secondary mirror telescope group, a field separation mirror and a three-reflection aberration correction mirror group. The primary and secondary mirror telescope group is used for receiving target light and converging to the vicinity of the field separation mirror. The field separation mirror is used for turning over the light converged by the primary and secondary mirror telescope group and separating the light into a full-color field and a hyperspectral field. The application constructs a front end light collecting telescope system by using a coaxial two-mirror structure similar to R-C, corrects aberration by using an off-axis three-reflection system, and realizes the design of an imaging system with a large field of view and a small F number. The light path is turned over near the back focal point of the coaxial primary and secondary mirror to separate the field of view, and the off-axis three-reflection design is sequentially carried out for the full-color channel and the hyperspectral channel of different fields of view to realize multifunctional imaging. A plurality of turning mirrors are added in the off-axis three-reflection systems of the full-color and the hyperspectral to fold the light path, compact design is realized, and the system volume is reduced.

The invention discloses skid-mounted multi-effect coupling coal bed gas field separation equipment and method. The skid-mounted multi-effect coupling coal bed gas field separation equipment comprises a monitoring system, a cyclone separation module, a gravity settling module, a folded plate separation module, a pipeline group and a valve group, wherein the monitoring system, the cyclone separation module, the gravity settling module and the folded plate separation module are communicated through a pipeline group, and a valve group is mounted on the pipeline group. The monitoring system collects key parameters such as impurity content concentration and flow in different phase states of the coal bed gas to be separated, obtains a monitoring result and controls opening and closing of each valve in the valve group, so that switching of communication modes among the cyclone separation module, the gravity settling module and the folded plate separation module is completed. The different communication modes of the three can be used for making the most suitable separation modes for the coal bed gas under different conditions.

This invention discloses a skid-mounted multi-effect coupled coalbed methane on-site separation device and method. The skid-mounted multi-effect coupled coalbed methane on-site separation device includes: a monitoring system, a cyclone separation module, a gravity settling module, a baffle plate separation module, a pipeline group, and a valve group. The monitoring system, cyclone separation module, gravity settling module, and baffle plate separation module are connected via the pipeline group, and a valve group is installed on the pipeline group. The monitoring system collects key parameters such as the concentration and flow rate of impurities in different phases of the coalbed methane to be separated, obtains the monitoring results, and controls the opening and closing of each valve in the valve group, thereby switching the connection mode between the cyclone separation module, gravity settling module, and baffle plate separation module. The different connection modes among the above three components can respectively determine the most suitable separation method for coalbed methane under different conditions.

The invention relates to the field of seismic data processing, in particular to an elastic anisotropic wave field separation method based on a vector pure qP wave equation. In order to solve the problem of qP / qSV wave crosstalk caused by polarization mismatch or scalar approximation under the condition of strong anisotropy in the prior art, the invention provides a novel vector wave field separation method, which specifically comprises the following steps of: performing synchronous forward modeling on a complete elastic wave field and a vector pure qP wave field, and performing vector comparison and elimination processing on the complete elastic wave field and the vector pure qP wave field to obtain a vector wave field; therefore, a high-fidelity and crosstalk-free pure qP wave component and a corresponding residual wave field are obtained. According to the method, high-fidelity longitudinal and transverse wave decoupling with clear physical significance and no pseudo transverse wave interference can be realized without depending on polarization direction estimation.