42results about "Liquid separation by electricity" patented technology

The utility model discloses civil construction waste treatment equipment, which relates to the technical field of civil construction and comprises a treatment box, a feeding port is fixedly arranged at the top end of the treatment box, a discharging port is arranged on the bottom surface of the treatment box, and a crushing part for crushing waste is rotatably arranged in the treatment box. A filter screen used for screening the crushed waste is arranged at the position, located below the crushing part, in the treatment box, an adsorption mechanism used for screening metal and non-metal materials in the crushed waste is arranged at the position, located below the filter screen, in the treatment box, and the filter screen, the adsorption mechanism and the dust falling mechanism are matched with one another; according to the waste treatment device, the filter screen is used for preliminary screening, waste materials with different particle sizes are separated out, then the adsorption mechanism is used for screening metal and nonmetal of the crushed waste materials, multi-stage screening is achieved, the refinement degree of waste material treatment is improved, classified recycling and reutilization of different types of waste materials are facilitated, the resource utilization rate is increased, and the waste treatment cost is reduced. The resource waste is reduced, and the pollution to the environment is reduced.

Provided are a magnetic separation device, magnetic separation method and liquid separation system with which it is possible to suitably perform liquid-liquid separation on a magnetic fluid and a non-magnetic fluid.　The present invention provides a magnetic separation device comprising a liquid separation tank and a magnetic field generation unit. The liquid separation tank is configured to accommodate a liquid containing a magnetic fluid and a non-magnetic fluid. The magnetic field generation unit is configured to apply a magnetic field to the liquid, thereby attracting the magnetic fluid in the liquid and separating the magnetic fluid from the non-magnetic fluid.

Systems and methods for separating water from an oil and water mixture are provided. A free water knockout vessel includes a mechanical separation section, an electrostatic coalescence section, and a gravitational separation section. A process for separating water from an oil and water mixture includes mechanical separation of the “free” water, electrostatic coalescence of emulsified water via one or more electrode assemblies, and separation of the coalesced water.

The invention relates to a method for separating a W / O emulsion comprising an aqueous phase dispersed in an organic phase, the method having the steps of: (A) providing the W / O emulsion, (B) breaking the W / O emulsion by applying an electric field which is built up by an assembly of non-insulated electrodes and in which an alternating voltage having an effective value of 25 V to 400 V and a frequency ranging from 0.1 Hz to 25 Hz is applied, the organic phase and the aqueous phase being unmixed, and (C) carrying out a phase separation in which the organic phase and the aqueous phase are separated from one another.

An electrochemical separation device includes a first electrode, a second electrode, a cell stack including alternating depleting compartments and concentrating compartments disposed between the first electrode and the second electrode, an inlet manifold configured to introduce a fluid to one of the depleting compartments or the concentrating compartments an outlet manifold, and one or more of a fluid flow director disposed within the inlet manifold and having a surface configured to alter a flow path of the fluid introduced into the inlet manifold and direct the fluid into the one of the depleting compartments or the concentrating compartments, and a second fluid flow director disposed within the outlet manifold and having a surface configured to alter a flow path of the fluid introduced into the outlet manifold via one of the depleting compartments or the concentrating compartments.

The application discloses a preparation method of a hydrophobic adsorption type emulsion separation material based on a charge demulsification mechanism. First, a copolymer monomer, a crosslinking agent, an initiator, a surfactant and a pore-forming agent are fully mixed and dissolved to obtain an oil phase, then a calcium chloride aqueous solution is slowly added into the oil phase under mechanical stirring to obtain a water-in-oil high internal phase emulsion, and then a polymerization reaction is carried out at 70 DEG C, and after a Soxhlet extraction with anhydrous ethanol and vacuum drying, a hydrophobic porous material is obtained. The hydrophobic porous material is immersed in a long-chain tertiary amine for a quaternary ammoniation reaction, and after methanol washing and vacuum drying, a positively charged hydrophobic porous material is obtained. By adjusting the proportion of the copolymer monomer in the polymerization reaction, the quaternary ammoniation degree and the pore structure of the emulsion separation material are controlled, a series of hydrophobic adsorption type materials based on the charge demulsification mechanism are prepared, and the materials are successfully applied to emulsion separation.

The utility model relates to the technical field of oil-gas-water-sand four-phase separation in the oil field production process, and particularly discloses novel efficient oil-gas-water-sand four-phase medium intelligent separation equipment. Comprising an oil-gas-water-sand standing separation chamber body, a cyclone separation device, a layered distributed oil-water detection device, a vacuumizing compression device, a layered control ultrahigh-frequency electric dehydration device, a control center module, a monitoring system platform and a pressure transmitter, the oil-gas-water-sand separation efficiency can be improved through mutual cooperation of all the devices, meanwhile, the back pressure of a wellhead can be reduced by adopting the vacuum compression device, and the production yield of an oil well is improved; the layered distributed oil-water detection device can detect the interface position and the oil-water content change state of oil-gas-water-sand in the equipment in real time, improve the dehydration efficiency of the electric dehydration device, prevent short circuit and breakdown of the electric dehydration polar plate, adjust the valve in real time, control the water level, the liquid level and the sand layer thickness, and guarantee the stable operation of the separation equipment.

A coalescer element for an electrostatic coalescer device comprises electrodes encapsulated in an electrical insulator, the electrical insulator comprising i) an inner layer of epoxy material and ii) an outer layer of hydrophobic material.

The invention relates to a wave-electric double-field oilfield produced liquid treatment device. A box body of the device comprises a dehydration cavity and a transition layer treatment cavity. The first heat radiation coalescence electrode is arranged in the dehydration cavity and is used for promoting coalescence of a dispersed phase in the oil field produced liquid. The first flat net demulsification electrode is arranged in the dehydration cavity and located on the side, away from the installation face, of the first heat radiation coalescence electrode so as to form a first demulsification electric field. The flat net dehydration electrode is arranged in the dehydration cavity and located on the side, away from the first heat radiation coalescence electrode, of the first flat net demulsification electrode so as to form a dehydration electric field. And the transition layer transfer assembly is used for conveying the transition layer formed in the dehydration cavity into the transition layer treatment cavity. The ultrasonic treatment unit is arranged in the transition layer treatment cavity and used for generating an ultrasonic cavitation field to act on the transition layer so as to separate the oil phase in the transition layer. By means of the collaborative design of'heat-electricity 'demulsification dehydration and ultrasonic waves, efficient and continuous dehydration of oil field produced liquid is achieved, and the problem that equipment is shut down frequently due to accumulation of a transition layer is solved.

The invention discloses a method for accurately separating water from crude benzene based on density detection, relates to the technical field of separation equipment, and aims to solve the problems of how to improve benzene-water separation precision and optimize a separation process. Double separation of benzene and water is formed in the benzene-water interphase process through a double-action drainage mechanism of the diversion drainage assembly and the external drainage assembly; specifically, based on real-time density detection, water is distributed on the outer side and benzene is distributed on the inner side during high-speed centrifugal action, an upper layer and a lower layer of a benzene-water solution are formed through an efficient ionization effect, and two separation actions of the benzene-water solution are completed in a reversing communication drainage mode; and by combining the two methods, double separation of the benzene-water mixture is performed by using different density distribution mechanisms among benzene-water phases and adopting centrifugal action and ionization separation modes, so that thorough and accurate separation is ensured.

Systems and methods for breaking a water and oil emulsion. The systems include a vessel configured to receive an oil and water emulsion, a susceptor, a conducting element coiled around the vessel, and a source of alternating current configured to flow alternating current through the conducting element. The flow of alternating current creates an alternating magnetic field, heating the susceptor.

An electrowetting coalescing device is disclosed, which device can be utilized for coalescing droplets of a dispersed phase within a continuous phase of an organic process fluid. The electrowetting coalescing device coalesces smaller droplets of the dispersed phase into larger droplets of the dispersed phase for subsequent removal of the larger droplets from the continuous phase. A method for coalescing droplets is also disclosed. A method of designing an electrowetting coalescing device with a mechanistic model is also disclosed.

A method for reducing the content of an aqueous phase entrained in an organic phase of an emulsion is provided. The method may include contacting the emulsion with an electric coalescer that may contain a direct current (DC) voltage field. The aqueous phase may contain fine droplets, and the fine droplets may coalesce to form larger droplets. At least some of the fine droplets may have a size of less than about 100 microns. The method may include separating the larger droplets from the emulsion. The electrocoalescer may include a housing and at least two porous electrodes coated with at least one polymer. The emulsion may originate from one or more intermediate steps of an extraction process.

The utility model relates to a kind of rotating electric field enhanced crude oil three-phase separators, belong to oilfield equipment field, comprising: degassing tower and electric field dehydration tank;Degassing tower is equipped with demisting packing;Electric field dehydration tank is equipped with electric field component and coalescence packing in sequence;Electric field component includes three stainless steel electrodes, three stainless steel electrodes are deeply into electric field dehydration tank and with external three-phase autotransformer electric connection, to produce rotating electric field in the area of coalescence packing;Rotating electric field is used to induce molecular dipole moment to promote oil-water separation;Wherein, the liquid outlet of degassing tower is connected with the liquid inlet of electric field dehydration tank, the gas phase communication port of degassing tower is connected with the gas return port of electric field dehydration tank, and closed loop is formed between degassing tower and electric field dehydration tank.The utility model does not use chemical reagent, avoids the influence of chemical residue on subsequent refining process, and only uses small amount of electric energy, saves energy consumption, improves economic benefit, improves production efficiency.

The present application relates to the technical field of oil-water two-phase fluid separation, and particularly relates to a pipeline type superconducting electromagnetic oil-water separation device and an implementation method thereof, which comprises a horizontally arranged flow channel, and an electromagnetic separation zone composed of a winding and a polar plate is arranged on the flow channel; the electromagnetic separation zone is sequentially divided into an upstream auxiliary support zone, a main separation zone and a downstream auxiliary support zone from upstream to downstream. The auxiliary support zones on the upstream and downstream sides are used for automatically balancing the newly added pressure on the upstream and downstream sides of the main separation zone due to electromagnetic force, avoiding the "necking" phenomenon, and ensuring efficient oil-water separation.

The present application relates to an electrochemical separation apparatus comprising a first electrode, a second electrode, a cell stack comprising alternating depletion compartments and concentration compartments disposed between the first electrode and the second electrode, an inlet manifold configured to introduce a fluid into one of the depletion compartments or the concentration compartments, an outlet manifold, and one or more of a fluid flow director disposed within the inlet manifold and having a surface configured to alter a flow path of the fluid introduced into the inlet manifold and direct the fluid into one of the depletion compartments or the concentration compartments, and a second fluid flow director disposed within the outlet manifold and having a surface configured to alter a flow path of the fluid introduced into the outlet manifold via one of the depletion compartments or the concentration compartments.

The invention belongs to the technical field of oil field multiphase separation, and relates to a gas pre-separation-water pre-separation high-frequency electric coalescence oil-water separation device as well as a separation method and application thereof. The device comprises a gas-liquid separation tank and a separation pipe connected with the gas-liquid separation tank, wherein a gas pre-separation section and a liquid pre-separation section are arranged in the gas-liquid separation tank from top to bottom; a high-voltage alternating-current insulation electrode is arranged in the separation pipe, high-voltage electrode insulation cover plates are arranged at the upper end and the lower end of the high-voltage alternating-current insulation electrode, and the separation pipe is divided into three sections by the high-voltage electrode insulation cover plates: the upper section is a purified oil outlet section, the middle section is an electrostatic coalescence section, and the lower section is a water pre-separation section. The device has the characteristics of small volume, short flow, high efficiency, large treatment capacity, difficulty in breakdown and the like. According to the invention, by adopting the process of gas pre-separation, water pre-separation and high-frequency electrostatic coalescence, the phenomenon of electric field collapse is avoided, the oil-water separation efficiency is effectively improved, the retention time of the settling tank is shortened, the treated purified crude oil can reach the delivery qualified index, and the device is suitable for high-water-content land and ocean platforms.

The utility model relates to the field of electric dehydrators, in particular to an electric dehydrator pry which comprises a platform body. The platform further comprises a first supporting table and a second supporting table, the end of one side of the platform body is fixedly connected with a fixing plate, the first supporting table is installed at the upper end of the fixing plate, and the end of one side of the first supporting table is fixedly connected with the second supporting table. The second sliding block is installed and moved through the platform body, the first supporting table and the second supporting table, the supporting ring is installed through the second sliding block, the movable frame is installed and moved through the supporting ring, and the first fixing bolt and the supporting ring are matched with the supporting plate to fix the movable frame. Second fixing bolts and clamping plates are matched with the mounting frame to mount and position a communicating pipe, the mounting position of an electric dehydrator pry is determined through the platform body and the first supporting table, a second sliding block and a supporting ring are utilized to mount and move the moving frame, and meanwhile, the communicating pipe is mounted through the moving frame and the clamping plates, so that the change of a fixed pipeline is reduced.

A filter media, filter element, filter system and methods are provided. The filter media provides improved filter characteristics including water separation efficiency. The filter media may include one or more of increased surface roughness and / or embossments. The filter media may be provided by pleated filter media.

This utility model relates to the field of industrial oil purification, and more particularly to an electrostatic oil purifier with oil-water separation and filtration discharge. It includes a mobile base, a high-voltage mounting box mounted on the upper side of the mobile base, a control cabinet mounted on the high-voltage mounting box, an oil pump mounted on the upper front side of the mobile base, a clean oil tank mounted on the top of the high-voltage mounting box, a pipeline assembly between the clean oil tank and the oil pump, an end cap on the top of the clean oil tank, a fastening ring between the clean oil tank and the end cap, and a pressure ring on the top of the clean oil tank, located outside the fastening ring. This utility model uses a mechanical-electrical dual-circuit interlocking architecture to convert the high-voltage power-off action into a purely physical displacement, achieving zero-delay current cutoff upon opening the cover. The modular sealing-carrying system makes replacing core components as simple as replacing a battery, avoiding seal failure caused by tool disassembly. The multi-gradient electric field adsorption topology simultaneously eliminates free water molecules and polar contaminants, achieving a quantum leap in deep purification and operational safety.

The invention relates to a fibrous membrane convenient for automatic oil stain discharge and a preparation method thereof, the fibrous membrane comprises a first material layer and a second material layer, the first material layer and the second material layer are stacked to form a composite fibrous membrane; the first material layer is made of an oil-absorbing and hydrophobic material, and the second material layer is made of a water-absorbing and oleophobic material; the first material layer is used for adsorbing oil mist and guiding oil formed by adsorption into an interface between the two material layers under the action of a concentration gradient formed between the two material layers, and the interface is used for guiding the oil out; the second material layer is used for adsorbing oil mist through the surface under the electrostatic adsorption effect, so that the oil mist is collected after being condensed on the surface. The fiber membrane is wide in material source and can be prepared by adopting co-extrusion equipment, film blowing equipment or spinning equipment. The oil absorption and automatic oil discharge functions are achieved, the technical problems that in the prior art, a fiber membrane can only absorb oil and cannot automatically discharge oil, so that the membrane utilization rate is low, and oil discharge operation is difficult are solved, the membrane utilization rate is increased, and the service life is prolonged.

A system ( 10) for separating the components of an incoming oil-water mixture includes two electrode sets (30 / 40), one set arranged to apply an electrostatic field to an oil layer residing within a separator vessel and the other set arranged to apply an electrostatic field to the interface emulsion layer residing within the separator vessel (12). The first set of electrodes (30) is in communication with a high voltage power source that ranges from 1 to 60 kV; the second set of electrodes (40) is in communication with a low voltage power source that is no greater than 5 kV. Each set of electrodes (30 / 40) may also be in communication with a second voltage source to provide increased power to promote effective coalescence. The system (10) may also include power electronics to produce a variable amplitude and a variable frequency voltage supply to one or both electrode sets (30 / 40).

This invention discloses a washing and dechlorination process for organochlorosilane hydrolysates, comprising the following steps: organochlorosilane raw materials and process water are continuously fed into a hydrolysis dechlorination section to complete the production and initial dechlorination of organochlorosilane hydrolysates into siloxanes. Subsequently, the hydrolysates into siloxanes are sent to a water washing dechlorination section for final dechlorination to obtain the product, low-chlorinated siloxanes. The process of this invention significantly reduces dechlorination energy consumption by employing a dual coalescence-sedimentation technology combining a coalescing phase separator and a high-voltage electrostatic device in both the hydrolysis dechlorination and water washing dechlorination sections. This process reduces the total amount of chlorine removed during water washing and significantly decreases the water consumption required in the water washing section. Furthermore, all the aqueous phase collected in the water washing dechlorination section can be reused in the hydrolysis dechlorination section, replacing some of the makeup water needed for the hydrolysis reaction. This invention offers advantages such as improved dechlorination efficiency of organochlorosilane hydrolysates, reduced energy consumption, environmental friendliness, no wastewater or waste alkali discharge, and continuous production of high-quality siloxanes.

The present invention refers to a set for replacing entrance bushings of desalters in flexible conductor with bare rigid conductor immersed in insulating liquid. More specifically, this set comprises a transformer entrance bushing subset (15); an interconnecting conductive parts subset (16); a desalter entrance bushing subset (19); and an interconnection piping subset (18). These subsets are integrated to prevent partial discharges from occurring in diameter transition sections between the desalting tubes.

The invention discloses an efficient lithium ion screening device and method, and relates to the technical field of geological mineral exploration equipment, a plurality of filling pipes are arranged in a rack, a supporting shaft is rotationally arranged on the rack through a bearing, a supporting frame is integrally formed on the supporting shaft, and a plurality of groups of connecting frames are fixedly arranged on the supporting frame in an equal-angle distribution mode; the filling pipe is fixedly sleeved with the connecting base, the connecting base is clamped in the connecting frame, the guide rod is fixedly arranged on the connecting frame, the guide rod is movably sleeved with the guide base, the locking pin is fixedly arranged on the guide base, a locking hole is formed in the connecting base, and the locking pin is movably inserted in the locking hole; two groups of independent circulating pump structures are designed, and an adjustable and replaceable mounting structure is designed, so that lithium ions are screened by using the ion sieve, and the lithium ion sieve is suitable for continuously screening the lithium ions in a small batch, and is suitable for sample analysis work of geological exploration.

An electrowetting coalescing device is disclosed that may be utilized to coalesce droplets of a dispersed phase within a continuous phase of an organic process fluid. The electrowetting coalescing device coalesces smaller droplets of the dispersed phase into larger droplets of the dispersed phase for subsequent removal of the larger droplets from the continuous phase. Methods for coalescing the droplets are also disclosed. Methods for designing the electrowetting coalescing device with a mechanical model are also disclosed.

This invention provides a three-phase oil-water-sand separation device with an inner cone and a coupled electric field-swirling field. It mainly consists of a cylinder, swirling guide vanes, and a separation settling cone section. The separation settling cone section includes an inner mesh, an outer mesh, and an inner cone. A multi-directional radial electric field is applied inside the cone section, so that the crude oil produced fluid undergoes both electro-aggregation and centrifugal separation processes after entering the swirling structure. The inner cone enriches the unseparated oil droplets at the tip of the cone section and lifts the oil phase, improving the oil-water separation efficiency. A conical conductive filter screen is fitted inside the dual-outlet cylinder, so that the water phase is filtered by the filter screen and discharged from the side outlet, while the sand and gravel are discharged from the underflow outlet.

The invention relates to a method for treating a mixture of at least two liquid phases in order to separate the two liquid phases of the mixture, in which method the mixture is treated with plasma.