37results about "Hydrocarbon dewatering" patented technology

The utility model provides a temperature protection device of an oil purifier. Comprising a heating constant-temperature device arranged on an oil inlet pipeline of the oil purifier, a first temperature sensor arranged in an evaporation chamber of the oil purifier, a first temperature controller, a second temperature sensor arranged in a control cabinet of the oil purifier, and a control device, the heating constant temperature device, the first temperature sensor, the second temperature sensor and the first temperature controller are electrically connected with the control device; the heating constant-temperature device is used for heating external oil products, then the oil products enter the oil purifier to be filtered, the first temperature sensor is used for detecting temperature data in an evaporation chamber of the oil purifier, the first temperature controller is used for controlling a heater in the evaporation chamber to work, and the second temperature sensor is used for detecting temperature data in a control cabinet of the oil purifier. According to the utility model, the temperature control and management of each link in the working process of the oil purifier are realized, the danger is reduced, and the working efficiency is improved.

A system for refining crude oil to minimize emissions of toxic compounds in the atmosphere during refining. The crude oil is treated with viscosity-reductant additives, reducing viscosity by up to 50% and increasing API gravity by more than 2 points. The method of spray-cracking and vacuum-flashing of crude oil, the system separates light and heavy end chains within the reactor. The vapor is condensed into designer fuels using a multi-stage horizontal reverse condensate-condenser or closed-loop distillation tower. Process heater directs flue gases through high-salinity fluids, such as a brine-processing device to capture, sequester, or mineralize the CO2, CO, NOx, and other contaminants from the flue gases. This results in a significant reduction in emissions, a further reduction to near-zero emissions (>95-98%) is achieved by the combination of (1) the closed loop processes, tank blanketing and capturing, sequestering and mineralizing emitted flue gases from the heater combustion-exhaust.

The invention relates to the technical field of coal chemical industry separation, in particular to a coal liquefaction oil-water separation system and method, and the system comprises an oil phase separation unit, a distillation unit, a cooling condensation unit, an oil-water separation unit and a power unit; the oil phase separation unit is used for separating materials to obtain a water-containing oil phase; the distillation unit is used for carrying out evaporation treatment on a water-containing oil phase; the cooling and condensing unit is used for cooling water vapor when the water-containing oil phase is subjected to evaporation treatment to form an oil-water mixture; and the oil-water separation unit is used for separating an oil phase, phenol-containing sewage and gas-phase light hydrocarbon from the oil-water mixture. The system can wash pulverized coal carried in a gas phase, can also reduce the temperature of the gas phase at the top of the normal-pressure fractionating tower so as to reduce the load of an air cooler, prolong the service life of the air cooler, improve the separation efficiency and separation effect of the normal-pressure fractionating tower, and can also prevent excessive condensation of heavy components, thereby improving the balance of mass transfer and heat transfer in the tower and improving the separation efficiency and separation effect of the normal-pressure fractionating tower. And stable operation of the fractionation process and product quality are improved.

The utility model relates to the technical field of diesel oil dehydration, in particular to a diesel oil dehydration device. The diesel oil dehydration device comprises a hydrofining reactor, a hydrocracking reactor, a fractionating tower, a diesel oil stripping tower, a stabilizing tower, a deoxygenated water heat exchanger, an air cooler, a low-temperature water cooler, a filter and a coalescer which are communicated in sequence. The low-temperature water cooler is additionally arranged to form a low-temperature refrigerant to reduce the diesel oil temperature, dissolved water is converted into free water, the water-oil separation efficiency is improved, and the purpose of reducing total water is achieved.

The utility model aims to provide a dehydration treatment system for mineral oil, which is simple in structure, can be used for well dehydrating the mineral oil, ensures the separation treatment effect of the mineral oil and the quality of the mineral oil, is different from a centrifugal separation dehydration technology, and can be widely applied to dehydration of hydraulic oil and gear oil. The device is characterized by comprising a vacuum flash tower, an air inlet valve is arranged on the vacuum flash tower, a liquid level transmitter is arranged in the vacuum flash tower, a spray header is arranged at the upper end of the vacuum flash tower and is connected with a liquid inlet through a heater, the lower end of the vacuum flash tower is connected with a liquid outlet through an oil pump, and the liquid outlet is connected with a liquid outlet through an oil pump. And the upper end of the vacuum flash tower is sequentially connected with an air cooling radiator, a gas-water separator and a vacuum pump.

The utility model provides distillation, impurity removal and purification equipment for pyrolysis mixed oil, which belongs to the technical field of distillation, impurity removal and purification of pyrolysis mixed residual oil and comprises an activation distillation kettle and a heating device for providing heat for the activation distillation kettle. The activation distillation kettle further comprises a kettle body, a stirring shaft, a stirring paddle and a deslagging scraping plate; a cavity for distilling and removing impurities from thermal cracking mixed oil is defined by the kettle body, a thermal cracking mixed oil inlet for inputting the thermal cracking mixed oil into the cavity is formed in one side of the upper part of the kettle body, and a water vapor outlet for discharging water vapor out of the cavity is formed in the other side of the upper part of the kettle body; an oil vapor outlet for discharging oil vapor out of the cavity is formed in the top of the kettle body; the water vapor outlet is provided with a water vapor outlet switching valve, and the oil vapor outlet is provided with an oil vapor outlet switching valve. The waste tire pyrolysis oil impurity removal device solves the technical problem that the existing pyrolysis oil generated by waste tire pyrolysis contains other impurities such as water, and has the characteristic that the impurities in the pyrolysis oil generated by waste tire pyrolysis can be effectively removed.

The application discloses a light hydrocarbon gas production system, which comprises a liquid storage tank, a gas storage tank, an air compressor, a drying cavity, a heat exchanger and a gas-liquid separation tank. Liquid fuel is heated and gasified by hot air in the heat exchanger, and is mixed with cooled air to form gasified fuel. The energy in the hot air generated by the air compressor of the production equipment in the workshop is fully utilized, and the cost is effectively reduced.

One or two continuous recirculation loops are utilized for the well-site equipment that separates produced fluids into sand, liquid, and gas during drill out and flow back that occurs after fracturing a subterranean formation. When one recirculation loop is utilized, the recirculation loop continuously recirculates fluid between the recirculation chamber of the disclosed sand removal apparatus and a shaker device. When two recirculation loops are utilized, the first recirculation loop continuously recirculates fluid between a recirculation chamber of the disclosed sand removal apparatus and a shaker device, and the second recirculation loop continuously recirculates fluid between the recirculation chamber and a gas separator.

This invention discloses a catalytic oil slurry heavy oil dehydration device, system, and its application. The device may include: a dehydration tank, several heating rods, and a stirring assembly; wherein, a dehydrator, an exhaust pipe, and a pressure gauge are installed on the top wall of the dehydration tank, and a discharge pipe is installed at the bottom of the dehydration tank; several heating rods are vertically arranged inside the dehydration tank; the stirring assembly includes: a motor housing, a motor, a central shaft, several stirring rods, and a reciprocating screw; the motor housing is fixed to the outside of the dehydration tank wall, and the motor is installed in the motor housing; the reciprocating screw is located on the inside of the dehydration tank wall, away from the motor housing; the central shaft is located inside the dehydration tank, one end of which is connected to the reciprocating screw, and the other end extends out of the dehydration tank and connects to the output end of the motor; several stirring rods are connected to the central shaft and are offset from the heating rods; the motor drives the central shaft to rotate, thereby driving the stirring rods to rotate and reciprocatingly stirring the catalytic oil slurry heavy oil in the dehydration tank under the action of the reciprocating screw.

The utility model relates to the field of crude benzene distillation water removers, and discloses a crude benzene distillation water remover device which comprises a separation tank and a connecting box, the surface of the separation tank communicates with a drainage pipe and an oil outlet pipe, one end of the connecting box communicates with a water inlet pipe, and a cleaning ring is slidably mounted on the inner wall of the separation tank; the size specification of the surface of the cleaning ring is matched with the size specification of the inner wall of the separation tank, a plurality of adjusting blocks are fixedly connected to the bottom end of the cleaning ring, one end of the connecting box communicates with the separation tank and the oil outlet pipe, and the cleaning ring is of a circular structure; the connecting box is installed between the separation tank and the oil outlet pipe, one end of the connecting box communicates with a water source through the water inlet pipe, the cleaning ring is slidably installed on the inner wall of the separation tank, and the multiple adjusting blocks made of sponge are installed at the bottom end of the cleaning ring, so that water flow is injected into the separation tank through the water inlet pipe; an adjusting block made of a sponge material at the bottom end of the cleaning ring moves upwards, so that the inner wall of the separation tank is cleaned through the cleaning ring.

The utility model discloses a skid-mounted crude oil and shale oil fine treatment dehydration device, which relates to the technical field of crude oil and shale oil dehydration, and comprises a skid-mounted seat and a tank body arranged on the skid-mounted seat, a partition plate is arranged in the tank body, and the tank body is divided into a heating bin and a storage bin by the partition plate. The end, close to the heating bin, of the tank body is connected with a feeding pipe, a heating assembly and an automatic drainage assembly used for preventing crude oil from being drained, and the end, close to the storage bin, of the tank body is connected with an oil drainage pipeline. The automatic drainage assembly capable of preventing crude oil from being drained is used for draining water, the situation that oil and water are drained together in the drainage process is avoided, and the technical problems that in an existing dehydration device, water is directly drained through a water outlet, part of oil is likely to be drained out of a tank body together, crude oil resources are wasted, and potential safety hazards exist are solved.

The utility model belongs to the technical field of distillation equipment, and discloses a waste mineral oil distillation retort with a preheating mechanism, which comprises a retort body, the retort body is provided with a cavity and an inner cavity, a heater is arranged at the bottom in the retort body, the output end of the heater is connected with a heating coil, the heating coil is arranged in the cavity, and the preheating mechanism is arranged in the cavity. The heating coil is wound on the outer side of the inner cavity, and a barrel-shaped heat conducting plate is installed in the cavity and arranged on the outer side of the heating coil; a preheating box is installed on the outer side of the tank body, a preheating pipe is installed in the preheating box, a conveying pump is installed between the preheating box and the tank body, and a mesh heat conduction plate is installed at the bottom in the preheating box and connected with the barrel-shaped heat conduction plate. A filter net bag is installed at the input end of the preheating box, a ceramic ring is installed on the inner ring of the barrel-shaped heat conduction plate, and by means of the structural design, effective recycling of energy is achieved, and economic cost is good.

The invention discloses a uniformly-heated engine oil seal oil heating dehydration process which comprises the following steps: S1, heating heat-conducting oil to enable the temperature of the heat-conducting oil to be increased to 105-120 DEG C; s2, oil seal oil and heat conduction oil are introduced into a heat exchanger, and the oil seal oil is heated through the heat conduction oil; and S3, the oil seal oil is heated to the dehydration temperature through the heat conduction oil, so that dehydration of the oil seal oil is completed. The heat-conducting oil is heated by a heater, so that the temperature of the heat-conducting oil is increased to 105-120 DEG C; oil seal oil and heat-conducting oil are respectively introduced into the heat exchanger, hot oil transmits temperature to the oil seal oil through the heat exchanger, so that the oil seal oil is prevented from being in direct contact with the thermal resistance type heater, the heat-conducting oil and the oil seal oil circularly flow in respective loops in the heating process, and the oil seal oil is prevented from being burnt and deteriorated in the heating process; and the dehydrated oil seal oil is ensured to have a sufficient oil seal effect. The dehydration process is not limited by the water content of the oil seal oil, the dehydration rate is high, and the oil seal oil cannot be burnt and deteriorated.

One or two continuous recirculation loops are utilized for the well-site equipment that separates produced fluids into sand, liquid, and gas during drill out and flow back that occurs after fracturing a subterranean formation. When one recirculation loop is utilized, the recirculation loop continuously recirculates fluid between the recirculation chamber of the disclosed sand removal apparatus and a shaker device. When two recirculation loops are utilized, the first recirculation loop continuously recirculates fluid between a recirculation chamber of the disclosed sand removal apparatus and a shaker device, and the second recirculation loop continuously recirculates fluid between the recirculation chamber and a gas separator.

Used lubricating oils are fed to a dehydration / fuel stripping unit to create de-watered / defueled feedstock which is fed to a Vacuum Distillation Column ( VDC) to remove and send lighter fractions for processing into base oil. Vacuum Tower Asphalt Extender (VI' AE) is collected from the Vacuum Distillation Bottom (VDB) of the VDC and fed to a Solvent Deasphalting unit (SDA) along with a. hydrocarbon solvent, to create a Concentrated Asphaltene Polymer Residue (CAPR) containing concentrations of the depleted polymer additives and wear metals. In particular embodiments, the CAPR is used to create relatively high- grade asphalt binders suitable for paving applications.

A special solar energy water jacket heating furnace in vacuum mode for an oil field comprises a vacuum heating system and a water jacket furnace heating system; the vacuum heating system comprises a steam generator, a vacuum heater and an ejector; the water jacket furnace heating system comprises a water jacket furnace, a burner, a flue gas chamber, a U-shaped pipe and a chimney, the flue gas chamber and the U-shaped pipe are arranged inside the water jacket furnace, and an inlet and an outlet of the flue gas chamber are respectively connected with the burner and the chimney through flue gas pipes; and the vacuum heater is provided with a crude oil inlet and a crude oil outlet, the steam generator is provided with a first outlet and the first outlet is connected with the ejector. A method for heating crude oil is further disclosed.

A method for producing an electrotechnical fluid composition is described, comprising the steps of subjecting a renewable feedstock comprising free fatty acids and glycerides to ketonization under ketonization conditions, subjecting the ketonized renewable feedstock to hydrotreatment under hydrotreatment conditions to obtain a renewable paraffinic intermediate product, and subjecting the renewable paraffinic intermediate product to at least one fractional distillation to obtain an electrotechnical fluid composition, the electrotechnical fluid composition meeting the requirements according to the IEC 60296 (2012) international standard.

The utility model discloses an oil product dehydration device which comprises a container with an opening at the upper end, a steam pipe assembly and a stirring assembly are arranged on the container, the steam pipe assembly comprises a steam pipe positioned in the container, the stirring assembly comprises a stirring shaft vertically arranged in the container, and a driving piece for driving the stirring shaft to rotate is arranged at the upper end of the stirring shaft. According to the utility model, the exchanged emulsified hydraulic oil can be dehydrated, the moisture in the emulsified hydraulic oil is reduced, the emulsified hydraulic oil can be re-put into a hydraulic system with low performance requirements for reuse, the resource utilization rate is improved, and the waste is reduced.

The invention belongs to the technical field of waste oil regeneration, and particularly relates to an environment-friendly waste oil regeneration and recovery device which comprises a distillation kettle which comprises a kettle body, a heating system, a transmission device and a feeding and discharging device. The rotating pipe is rotationally connected to the center of the kettle body, the top of the rotating pipe is connected with the transmission device, a first rotating plate and a second rotating plate are arranged on the rotating pipe, the first rotating plate is close to the bottom of the rotating pipe, and the second rotating plate is close to the middle of the rotating pipe; when a coking layer needs to be detected, the rotating pipe temporarily stops rotating, a worker takes down a bolt for fixing at one end, exposed out of the rotating pipe, of the sliding rod, the sliding rod is influenced by the spring to drive the pulley to extend out of the first rotating pipe, the rotating pipe restarts to slowly rotate, the pulley extends out of the side wall of the kettle body to roll, and the worker assists in judging the thickness of the coking layer according to a detection value. Then the first electric push rod drives the lifting rod to descend, and the lifting rod drives the scraping ring to descend to scrape the side wall of the kettle body, so that the influence of a coking layer on distillation is reduced, and the distillation efficiency is improved.

Heavy oil or asphalt, or a mixture of heavy oil and asphalt, or a mixture of a diluent and heavy oil or asphalt, is processed to separate the components of the feed oil and initiate reactions that crack the heavy oil or asphalt into lighter components. This heated, inclined double-tube unit features an inner tube into which the feed oil enters and opens midway through the outer tube. Vaporized oil continues upward within the outer tube, while the liquid oil product flows downward into the annular space between the inner and outer tubes. The vaporized oil condenses outside the double-tube unit to produce a liquid oil product. Heat exchange can be performed between the product and the inlet feed oil to improve the unit's energy efficiency.

The invention relates to a method for recovering hydrocarbons from plastic wastes, in particular polyolefin-rich waste, by means of purely thermolytic cracking without the use of catalysts, comprising melting the plastic waste in two heating devices (3) and (4), wherein a recycle stream derived from the cracking reactor (5) and purified in a separator system (8, 9) is admixed with the molten plastic waste from the heating device (3). The mixed plastic stream is further heated in the second heating device (4), and from there is guided into the cracking reactor (5), where the plastic materials are cracked, and by means of subsequent distillation are separated into diesel and low boilers. A special entry system allows the prior separation of water and acidic gases, and the saving of inert gas. The invention further relates to a system for carrying out the method.

A process for dewatering a thermochemical oil. The process comprises providing a thermochemical oil comprising water; adding a solvent selected from mesityl oxide, 2-methyltetrahydrofuran, dioxane and furfural to the thermochemical, oil, to form a mixture comprising the thermochemical oil and the solvent; heating the mixture to remove an azeotrope comprising water and the solvent from the mixture, thereby forming a dewatered thermochemical oil. A dewatered thermochemical oil. A fuel precursor.

The application discloses a tar distillation process for improving oil quality, and relates to the technical field of deep processing of coal tar. The process is a coal tar atmospheric and vacuum distillation process for full distillation of unwashed three-mixed oil on the top of a tar distillation column. The core of the process is that, without changing the main structure of the original distillation equipment, four core process parameters, including backflow, vacuum degree at the top of the column, temperature at the bottom of the column and temperature at the top of the column, are simultaneously and cooperatively controlled in the vacuum distillation process of the tar distillation column, and the distillation quality control thresholds of unwashed three-mixed oil and carbon black oil are matched and set. The application solves the problems of wide process parameter control, low and unstable product quality of the existing tar distillation process, and can make the downstream washed oil product reach the first-grade product requirement in the GB / T24217-2025 standard, while not affecting the raw material adaptability of carbon black oil to the downstream modified pitch device. The application has the advantages of low modification cost, easy industrialization, stable product quality and remarkable economic benefits.

A process for producing olefins from methanol with an MTO catalyst and oligomerizing a resulting olefin stream with an oligomerization catalyst to produce an oligomerized olefin stream. Oligomerization may comprise a first stage ethylene and / or propylene oligomerization step followed by a second stage oligomerization step of the first stage oligomerized olefin stream to higher olefins. The oligomerized olefin stream can be separated into jet and diesel fuel streams.

The utility model discloses a mixed hydrocarbon fine separation device, which belongs to the technical field of mixed hydrocarbon separation, and comprises a filter component, a filter element and a control component, the gas-liquid separation assembly is connected with the output end of the filtering assembly; the filtering assembly comprises a coarse filtering assembly and a fine filtering assembly; the output end of the coarse filtering assembly is connected with the input end of the fine filtering assembly, and the output end of the fine filtering assembly is connected with the input end of the gas-liquid separation assembly; the coarse filter is used for filtering large-volume foreign matters in the mixed hydrocarbon, the fine filter assembly is used for filtering silt in the mixed hydrocarbon, the large-volume foreign matters in the mixed hydrocarbon are filtered through the coarse filter assembly, and the filtered mixed hydrocarbon is filtered again in two fine dehydrators arranged in front of an original rectifying tower; the mixed hydrocarbon is subjected to water enrichment and removal in the fine dehydrator, and silt in the mixed hydrocarbon is removed at the same time, so that the problem of regular shutdown of the device caused by accumulation of the silt on the tower plate is solved.

The utility model relates to the technical field of crude oil treatment, in particular to a novel crude oil dehydration device which comprises a support, a first tank body and a second tank body, the first tank body and the second tank body are fixed on the support, an oil pumping pipe is arranged between the first tank body and the second tank body, and a stirring mechanism is arranged inside the first tank body. A crude oil inlet and a demulsifier inlet are formed in the top of the first tank body, a water outlet is formed in the bottom of the first tank body, a heating part and an oil collecting barrel are arranged in the second tank body, and an oil outlet is formed in the bottom of the second tank body. By arranging the stirring mechanism, the stirring plate can rotate and move up and down along the lead screw, sufficient stirring can be achieved, a demulsifying agent and crude oil can be sufficiently mixed, the dehydration effect is improved, the crude oil subjected to sedimentation treatment can be heated by arranging the heating part in the second tank body, and the crude oil can be recycled. And water remaining in the crude oil is heated and evaporated, so that the crude oil dehydration quality is further improved.

A positive pressure heating crude oil stabilization system parameter optimization method and device, the method comprises the following steps: constructing a crude oil stabilization simulation model of a positive pressure heating crude oil stabilization system, at least including a stabilization tower module and a pre-tower heating furnace module; inputting crude oil component parameters into the crude oil stabilization simulation model, and setting the heating furnace outlet temperature as different temperature values T n sequentially; n Carrying out positive pressure heating crude oil stabilization process simulation to obtain the stabilization tower overhead pressure P n and fuel consumption F n corresponding to the highest light hydrocarbon yield Q n at each temperature value T n ; calculating the corresponding profit value A n according to each set of yield and energy consumption data, each set of yield and energy consumption data comprising Q n and F n ; obtaining the maximum profit value from N profit values A n , and taking the T n and P n corresponding to the maximum profit value as the optimal heating furnace outlet temperature and the optimal stabilization tower overhead pressure respectively; and based on the crude oil stabilization simulation model, analyzing the light hydrocarbon yield and fuel energy consumption to ensure the maximum economic benefit while saving energy and reducing costs.

The invention relates to a multi-physical-field aged oil dehydration device and method, and belongs to the technical field of petroleum processing. Sufficient demulsification of the aged oil is achieved through the ultrasonic demulsification and dehydration area, a water phase is sufficiently vaporized and evaporated through heating of the low-temperature dehydration area, stubborn emulsified water in the oil is vaporized and separated out through the high-temperature purification standard-reaching area, it can be guaranteed that the moisture content of the aged oil is reduced to 0.5% or below, and crude oil capable of being output is obtained; the hot distillation dehydration technology and the ultrasonic demulsification technology are combined, the technical bottleneck that the aged oil is difficult to demulsify and dehydrate is solved, oil-water separation treatment of the aged oil in the aged oil dehydration device is a physical process, pollution to the environment is avoided, and the requirements of safety and environmental protection are met; meanwhile, no chemical agent is added, so that the effect of low cost is achieved.

The invention discloses an offshore crude oil treatment device and method, the device comprises a primary separator, a heat pump device and a secondary separator, the primary separator is provided with an initial crude oil inlet and a low-temperature crude oil intermediate product outlet; the heat pump device comprises a condenser, a low-temperature crude oil intermediate product inlet and a high-temperature crude oil intermediate product outlet are formed in the condenser, and the low-temperature crude oil intermediate product outlet of the primary separator is communicated with the low-temperature crude oil intermediate product inlet of the condenser through a pipeline; the secondary separator is provided with a high-temperature crude oil intermediate product inlet; and the high-temperature crude oil intermediate product outlet of the condenser is communicated with the high-temperature crude oil intermediate product inlet of the secondary separator through a pipeline. The heat pump device replaces an electric heater to be applied to offshore crude oil treatment, electricity consumption is basically not needed, electricity consumption is reduced, compared with an existing electric heater, heating and energy efficiency is higher, and the problem that current offshore crude oil treatment is high in electricity consumption is solved.