63results about "Liquid separation by electricity" patented technology

The invention belongs to the technical field of oil field gathering and transportation systems, and particularly relates to a combined crude oil dehydration and desalination treatment device which comprises a shell, a pretreatment chamber is arranged at one end in the shell, an ultrasonic demulsification chamber is arranged on one side of the pretreatment chamber, and an electric dehydration settling chamber is arranged on one side of the ultrasonic demulsification chamber. Through the combined design of ultrasonic waves and an electric field, the efficiency and adaptability of crude oil dehydration and desalination are improved, oil-in-water and water-in-oil particles can be effectively opened through the mechanical oscillation effect generated by the ultrasonic generator in the ultrasonic demulsification chamber, free-state oil drops and water drops are formed, and the oil-in-water and water-in-oil particles can be effectively removed. An alternating-current electric field and a direct-current electric field which are respectively formed by the grid plate and the vertical electrode plate can be used for coalescing and settling water drops in oil under the actions of dipole coalescence, oscillation coalescence, electrophoresis coalescence and the like, and due to the synergistic action of the double electric fields, the quality of the dehydrated crude oil is improved, the volume fraction of water in the crude oil is reduced, the power consumption is reduced, and the stability of the electric fields is enhanced.

The present disclosure relates to a method and system for producing refined hydrocarbons from waste plastic pyrolysis oil. The method and system for producing refined hydrocarbons from waste plastic pyrolysis oil according to the present disclosure may minimize formation of an ammonium salt (NH4Cl) and may prevent an adhesion phenomenon of impurity particles in a reactor in a refining process of waste plastic pyrolysis oil containing impurities including chlorine and nitrogen. In addition, the method and system for producing refined hydrocarbons according to the present disclosure may have excellent refining efficiency and may implement a long-term operation of a process because deactivation of a catalyst used in the process is reduced or prevented, and may produce refined hydrocarbons having a low content of impurities and a low content of olefins from waste plastic pyrolysis oil.

A system and method are disclosed relating to electrical coalescence separation. In some examples, a first electric field can be established in a first vessel that includes a first oil-water mixture received from an oil stream based on a first voltage. A second electric field can be established in a second vessel that includes a second oil-water mixture received from the oil stream based on a second voltage. The first electric field can be controlled based on the second voltage to control separation of water from oil in the first oil-water mixture in the first vessel.

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.

The invention relates to an organic solvent recovery apparatus, a substrate processing apparatus, and an organic solvent recovery method. The present invention provides a technique capable of circulating a liquid mixture of an organic solvent and water under conditions adapted to each of a dehydrator and a filter. This organic solvent recovery device is provided with a recovery tank (Tk1), a dehydration cycle unit (60), and a purification cycle unit (80). The recovery tank (Tk) stores a liquid mixture of an organic solvent and water discharged from a processing unit (4) for processing a substrate. The dehydration circulation unit (60) includes a dehydration circulation pipe (61) connected to the recovery tank (Tk1), and a circulation dehydrator (62) for separating water from the mixed solution, and generates a first concentrated solution, which is the mixed solution in which the solvent concentration of the organic solvent has been increased, by means of circulation through the dehydration circulation pipe (61). The purification circulation unit (80) includes a purification circulation pipe (81) that circulates the first concentrated solution and a filter (82) that captures impurities in the first concentrated solution, and the first concentrated solution is circulated through the purification circulation pipe (81) to produce a recycled solution in which the content of impurities in the first concentrated solution is reduced.

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.

A coalescer element for an electrostatic coalescer device comprises an electrode, which is enclosed by an electrical insulation, wherein the electrical insulation comprises i) an inner layer of an epoxy material and ii) an outer layer of a hydrophobic material.

To provide a relevant filtration medium indicating a reduced pressure difference while providing an advantage such as water aggregation, for a hydrocarbon fuel system and an aggregation filtration system used in the application, a method for manufacturing the same, a method for filtering water, and a filtration system.SOLUTION: A filter medium provides improved filter characteristics including water separation efficiency. The filter medium may include one or both of increased surface roughness and embossing. The filter medium may be provided by a pleat-like filter medium.SELECTED DRAWING: Figure 2

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.

The present invention discloses an electric field coalescence cross-flow demulsification device for oily wastewater. The device comprises a demulsification power supply equipped with a power controller and a reactor housing equipped with demulsification electrodes A and B. The fluid flow channels of demulsification electrodes A and B, installed in the reactor housing, are staggered by filling with a polymer organic coalescence fabric. Demulsification electrodes A and B are connected in parallel to anode and cathode electrode terminals, which are electrically connected to the positive and negative electrodes of the demulsification power supply outside the reactor housing, respectively. The oily wastewater is pumped into the reactor housing through the water inlet and discharged through the water outlet by a water pump. The residence time of the oily wastewater in the reactor housing is controlled by controlling the pump's displacement. The voltage, pulse frequency, and duty cycle of the output power supply are controlled by the power controller. The present invention can effectively demulsify emulsified oil droplets in water without the addition of chemicals and has a compact structure.

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.

A method of treating contaminated materials such as oil and gas production waste sludges to recover crude oil hydrocarbons. The method includes the inversion of water-in-oil emulsions, and subsequent separation steps. These may involve the separation and removal of asphaltenes, petroleum waxes and / or solid particles from the crude oil hydrocarbons. The treatment method uses the physical phenomena of hydrodynamic cavitation and hydraulic shock, which produce different effects upon a mixture of water and the contaminated material being treated. These are deployed either as single or combined stage(s) of treatment or as a repeated series of single / combined treatment stages, with or without additional processing operations between each single / combined treatment stage. The method may be implemented with suitable plant including hydrodynamic cavitation units (103, 106) and hydraulic shock units (104, 107), followed by separators (105, 108).

A method for refining waste plastic pyrolysis oil is provided, including: applying a voltage to a first mixed solution obtained by mixing waste plastic pyrolysis oil, washing water, and a demulsifier to dehydrate the first mixed solution to form a dehydrated first mixed solution; and hydrotreating a second mixed solution obtained by mixing the dehydrated first mixed solution dehydrated and a sulfur source to produce refined oil from which impurities have been removed, and a device related thereto. The method and device may prevent or minimize formation of an ammonium salt (NH4Cl) and / or prevent adhesion of impurity particles in a refining process of waste plastic pyrolysis oil containing impurities such as chlorine and nitrogen, and provides waste plastic pyrolysis oil having low content of impurities and olefins and excellent quality, and thus, may be used as a feedstock for blending with existing petroleum products or oil refining and petrochemical processes.

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.