1017results about "Liquid separation auxillary apparatus" patented technology

The invention discloses a phase splitting device and application thereof in phase splitting treatment of a carbon capture two-phase absorbent. The phase splitting device comprises a shell, an inlet, a lower phase outlet and an upper phase outlet, a pre-split-phase chamber, a split-phase chamber and a separation chamber which are communicated in sequence are arranged in the shell; the pre-phase-splitting chamber comprises a swirler and a rectifying plate; the split-phase chamber comprises a split-phase reinforcing plate and a rotary fixing frame; a hydrophilic material, a hydrophobic material or a combination thereof is arranged on the surface of the split-phase reinforcing plate; and the included angle between the split-phase reinforcing plate and the horizontal plane is 30-75 degrees. By arranging the pre-phase-splitting chamber, the phase-splitting chamber and the separation chamber, a phase-splitting liquid can achieve a good pre-separation effect in the pre-phase-splitting chamber and stably enters the phase-splitting chamber, and then efficient and rapid phase splitting is achieved through treatment of a specific phase-splitting reinforcing plate in the phase-splitting chamber; and the device has the advantages of small volume, compact structure, low investment cost and the like, and particularly has important significance on stable operation of the carbon capture two-phase absorbent.

A computer-implemented method for real-time adaptive control of demulsifier injection using self-learning AI models is described. The method includes obtaining sensor data in a gas-oil separator plant and calculating demulsifier input parameters. The method also includes predicting process variables comprising at least water content and determining an injection rate in real time based on the predicted process variables.

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

The invention belongs to the technical field of oil-water separation, and discloses an oil-water separation device, which comprises: a pool body, the pool body comprises a water inlet pipe for introducing an oil-water mixture, and an oil outlet pipe and a water outlet pipe for discharging separated oil and water, and the water outlet pipe is arranged on a wall surface opposite to a wall surface where the water inlet pipe is located; each oil-water separation plate is provided with a wave-shaped bent surface, the wave shape extends in a bent mode in the direction from the wall face where the water inlet pipe is located to the wall face where the water outlet pipe is located, and oil passing holes are formed in the protruding positions of the wave shapes. Through the wave-shaped oil-water separation plates, oil and water can be rapidly separated, and meanwhile grease transfer between all layers is achieved.

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

The invention relates to the technical field of natural gas separation, in particular to a natural gas pipeline oil mist separation system which comprises a gas inlet end, an oil mist separation mechanism, an exhaust end and an oil dirt discharge mechanism, the gas inlet end comprises a natural gas inlet main pipe and two natural gas inlet branch pipes, and the natural gas inlet branch pipes are connected with a filtering device; the two groups of oil mist separation mechanisms are fixedly mounted on the filtering device and are used for separating and removing oil mist in the natural gas; the exhaust end comprises a natural gas outlet main pipe and two natural gas outlet branch pipes; and the oil mist discharging mechanism is connected with the oil mist separating mechanism and is used for recovering and treating the oil mist. The filtering device comprises a filter, and a filtering assembly composed of a filter element support, a coalescence sintering type filter element and a bearing is arranged in the filtering device. The oil mist separation mechanism comprises a high-pressure steam source, a steam conveying pipe, a steam branch pipe and a blade, and oil mist separation is achieved through steam injection. Oil mist in natural gas can be effectively separated, and the filtering efficiency and the natural gas quality are improved.

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

A computer-implemented method for real-time adaptive control of demulsifier injection using self-learning AI models is described. The method includes obtaining sensor data in a gas-oil separator plant and calculating demulsifier input parameters. The method also includes predicting process variables comprising at least water content and determining an injection rate in real time based on the predicted process variables.

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

The invention discloses a neutralization liquid layering tank and layering process for sucralose production, and particularly relates to the technical field of layering tanks, the neutralization liquid layering tank mainly comprises a layering tank, a stirring rod and a sliding groove column, the stirring rod is located in the layering tank, the sliding groove column is fixed to the top end of the stirring rod, and the outer wall of the sliding groove column is rotationally connected with the layering tank; a linkage transverse blocking mechanism is arranged on the inner wall of the sliding groove column; the linkage transverse blocking mechanism comprises a rotating ring arranged on the inner wall of the sliding groove column in a sliding mode. A linkage transverse blocking mechanism is adopted, the bottom end of a sleeve rod drives a push shaft to move horizontally, a sliding strip and an inclined rod synchronously drive a spacing sealing plate to move rightwards, the spacing sealing plate drives a rubber pressing strip to move rightwards, and the spacing sealing plate and a stirring strip can block and buffer neutralizing liquid flowing in the layering tank in sucralose production; a neutralization solution in sucralose production is quickly stood, so that quick layering operation is realized, and the layering efficiency is greatly improved.

Systems and a method for oil-in-water are provided. A water-oil separation plant (WOSEP) includes a gravity separation vessel, an inlet for an oil-in-water emulsion, an oil outlet for separated oil, a water compartment in the gravity separation vessel, and a water outlet from water compartment for separated water. A tube of hydrophobic mesh with an axis perpendicular to the water surface is disposed in the water compartment, wherein the top of the tube is above the water surface, and the bottom of the tube is below the water surface. An outlet coupled to the bottom of the tube allows oil and water to drain from the tube.

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.

A computer implemented method that enables artificial intelligence based demulsifier control for AC or modulated AC / DC electrostatic coalescers is described. The method includes monitoring parameters associated with the GOSP facility and inputting the parameters to a trained machine learning model that outputs a minimum HPPT separation efficiency. The method includes determining a target HPPT separation efficiency based on the minimum HPPT separation efficiency. Additionally, the method includes adjusting a demulsifier dosage being injected into the HPPT apparatus to separate dry oil at the target HPPT separation efficiency.

The utility model discloses an absolute ethyl alcohol preparation purification device which comprises a stable bottom plate, the top of the stable bottom plate is fixedly connected with a protective cover, the top of one side of the inner wall of the protective cover is fixedly connected with an ethyl alcohol storage box, and the bottom of the ethyl alcohol storage box is communicated with a purification assembly used for removing moisture. The purification assembly comprises a guide pipe communicated with the ethanol storage box, the bottom end of the guide pipe is communicated with an operation cylinder, a feed hopper is arranged at the top of the operation cylinder, and calcium oxide is arranged in the operation cylinder. According to the absolute ethyl alcohol preparation and purification device, the operation cylinder is blocked by the blocking plate, when calcium oxide needs to be replaced, the calcium oxide in the operation cylinder can be completely released by directly rotating the screw rod and pulling the moving sleeve and the blocking plate outwards, and even if internal particles are hardened and semi-hard, the operation cylinder is not damaged. And after the blocking plate is moved away, workers can conveniently clear and draw out the residual calcium oxide in the operation cylinder.

A method for converting waste oil into oil products includes forwarding the waste oil to an oil treatment part of a waste oil converting system that includes one or more of the following subsystems: a decanter, a centrifuge, a chemical addition subsystem, a mixer, a filter, a settling tank, a water injection nozzle and / or a heater. Then measuring a property of the waste oil, such as density, viscosity, amount of water, amount of ash, amount of particles, and / or flash-point, using a sensor. Then adjusting one or more settings of the subsystem based on at least one measured value using a control system. Also treating the waste oil with the at least one subsystem to decrease a water content, a sludge content and / or a particle content of the waste oil, and using the control system to control an outlet flow of the treated waste oil. Also the waste oil converting system.

The invention discloses a self-balancing multiphase self-shunting device and a control method, and belongs to the technical field of chemical separation. The device comprises an automatic split-phase tank (1), a pressure display A (2), a system pressure automatic controller (3), a light phase collecting tank (4), a liquid discharge valve A (5), a pressure display B (6), a material inlet (7), a light phase overflow port (8), a heavy phase extraction port (9), a split-phase internal component (10), a liquid discharge valve C (11), a heavy phase extraction automatic regulating valve (12), a heavy phase collecting tank (13) and the like. The device is simple in structure and control method, can be operated at normal pressure or under pressure, is high in operation elasticity, realizes self-balance of the liquid level height by utilizing the light phase overflow port (8), realizes rapid phase separation of light and heavy components by adopting a special structure of the phase separation inner component (10), forms a stable phase interface, is good in separation effect, and is suitable for industrial production. The method can be used for chemical unit operations such as extraction separation, reaction separation and rectification.

The utility model belongs to the technical field of essence processing equipment, and particularly relates to an oil-water separator which comprises a separator shell and a driving motor, the driving motor is mounted on the upper side of the separator shell, and a liquid inlet pipe, an oil outlet valve and a water outlet valve are sequentially mounted on the separator shell. According to the oil-water separator and the rose essence processing equipment, when the capacitive interface sensor does not make contact with a grease layer, the driving motor is started through the controller, the output end of the driving motor drives the screw rod to rotate, the capacitive interface sensor and the flow guide pipe move downwards accordingly, and when the capacitive interface sensor makes contact with the grease layer, the flow guide pipe moves downwards; the output end of the driving motor stops rotating, at the moment, the through groove in the upper side of the flow guide pipe makes contact with the grease layer, the grease layer flows to the hose through the flow guide pipe, the flow guide pipe can move according to the grease layer, and the oil-water separator can conveniently and stably distribute essential oil of the rose liquid mixture.

The utility model discloses an efficient oil-water separator which comprises a box body, partition plates are arranged in the box body, the box body is divided into three grooves by the two partition plates, a separation groove is formed in the middle of the grooves, a feeding pipe is arranged in the separation groove, storage grooves are formed in the two sides of the separation groove, and a heating assembly is arranged at the bottom end of the separation groove. A liquid level sensor is arranged on the inner wall surface of the separation tank, a draw-off pump is arranged on the inner wall of the storage tank, a liquid level display screen is arranged on the surface of the box body, and a transparent observation window is arranged on the bottom side of the liquid level display screen. According to the efficient oil-water separator, the heating assembly is arranged to accelerate oil-water layering, meanwhile, the liquid level sensor is arranged to monitor the storage amount of water after layering, water can be accurately pumped into the storage tank to be stored according to the pumping speed of the draw-off pump, and the oil content in the separated water is reduced.

The invention discloses separation and purification equipment for oil-water mixed waste treatment, and relates to the field of separation and purification, the separation and purification equipment comprises a support frame, the top of the support frame is fixedly connected with a gravity settling mechanism, the outer surface of the support frame is fixedly connected with a collecting barrel mechanism, and the outer surface of the gravity settling mechanism is fixedly connected with a centrifugal separation mechanism; the bottom of the centrifugal separation mechanism is fixedly connected with a bottom plate, supporting legs are uniformly arranged at the bottom of the bottom plate, the center of the bottom of the bottom plate is fixedly connected with a supporting plate I, and the outer surface of the supporting plate I is fixedly connected with a servo motor. The primary separation of impurities, water and oil is realized, the separated oil flows into the collecting barrel mechanism, and the oil-water mixed liquid which is difficult to separate flows into the centrifugal separation mechanism, so that further separation and purification are realized.

The present invention relates to a marine emulsified oil high-speed separation system, which comprises: a demulsification treatment region, which is used for pumping emulsified oil into a heater so as to effectively break the emulsification phenomenon of the oil; the separation and purification area is connected with the demulsification treatment area and the demulsification treatment area and is used for separating the oil demulsified in the emulsion bin after entering a separator, the centrifugal force of high-speed rotation of the separator enables the oil-water emulsion to be gradually layered, the separated clean oil is discharged into a clean oil tank, and the separated water and other impurities enter a deslagging cabinet; the impurity discharge area is connected with the demulsification treatment area and the separation and purification area, and is used for receiving water and impurities discharged by a separator in the separation and purification area and residual oil discharged by a demulsification bin in the demulsification treatment area through a slag discharge cabinet; and the electric control box is used for controlling the whole system and has an alarm protection function. The problem that an existing marine separation system cannot effectively separate emulsified oil can be solved, and the separation effect of a marine separator is effectively improved.

The present invention relates to the technical field of oil-water separation, and particularly discloses an oil-water separation system, which comprises: a submersible pump configured to pump oil-containing sewage; an inlet of the solid-liquid separator is communicated with an outlet of the submersible pump; the oil-water separation equipment comprises a mother pipe communicated with an oil-water outlet of the solid-liquid separator, a plurality of oil-water separation units and a connecting pipe, and each oil-water separation unit comprises a liquid inlet pipe, a first stop valve mounted on the liquid inlet pipe, an oil-water separator, a liquid outlet pipe and a second stop valve mounted on the liquid outlet pipe; inlets of the oil-water separators are communicated with an outlet of the main pipe through liquid inlet pipes, water outlets of the oil-water separators are communicated with the liquid outlet pipes, the connecting pipes are used for communicating two adjacent oil-water separators, and third stop valves are mounted on the connecting pipes. According to the oil-water separation system, the oil-water separation paths of the multiple water separation units are controlled, so that the separation requirements of different scenes can be met.

The utility model belongs to the technical field of gas purification crude benzene production, and particularly relates to liquid-liquid separation equipment with a visual interface, which comprises a tank body and a window, and is characterized in that the length of the window accounts for more than 30% of the height of the tank body, and the window comprises a transparent safety glass sheet, a flange and a gasket, the transparent safety glass sheet is located on the outer surface or the inner surface of the tank body, gaskets and flanges are sequentially arranged on the two sides of the transparent safety glass sheet and connected through bolts, one or two LED lamp strips are arranged along the long edge of the transparent safety glass sheet, the LED lamp strips are connected with a lighting power source, and a lighting switch is arranged near the window; under the irradiation of the LED lamp strip, light rays respectively act with the light-phase liquid and the heavy-phase liquid to generate chromatic aberration, so that a liquid-liquid interface is highlighted and is easy to identify. The liquid-liquid separator has the beneficial effects that the equipment has all normal functions of the liquid-liquid separator and is not influenced by time and regions, and the interface of the separator can be observed at any time and is clear and easy to judge.

The invention provides a method and a system for accurately controlling liquid flow in a radioactive separation device, and relates to the technical field of liquid flow control, the method comprises the following steps: acquiring instantaneous flow data of a column inlet, pressure data of an infusion pipeline and rotating speed data of a metering pump, and carrying out sliding time window processing to obtain an average flow value and a flow change slope; calculating an equivalent flow resistance coefficient in combination with a pressure change relation and theoretical conveying capacity of a metering pump, and determining liquid flow transmission delay time according to pipeline volume parameters, so as to predict column inlet flow corresponding to the delay time; and the rotating speed of the metering pump is adjusted according to the deviation between the predicted flow and the target flow, the effective buffering volume of the buffering flow stabilizing cavity is adjusted to restrain flow pulsation, meanwhile, control parameters are continuously corrected through rolling updating data, and the column inlet flow is kept within the preset target flow range.

The utility model discloses a platelet-rich plasma preparation device, which belongs to the technical field of medical instruments and comprises an upper end jacket, one end of the upper end jacket is connected with an upper end cover, the other end of the upper end jacket is connected with a lower end jacket, the bottom of the lower end jacket is connected with a lower end cover capable of moving up and down, and the upper end jacket is provided with a first cavity. A second chamber, a third chamber and a connecting channel for communicating the second chamber with the third chamber are sleeved outside the lower end part, and the second chamber is communicated with the first chamber; the upper end cover is provided with an upper sealing rod for controlling the first cavity to be communicated with or disconnected from the second cavity, the lower end cover is provided with a lower sealing rod for controlling the second cavity to be communicated with or disconnected from the third cavity, the upper sealing rod is provided with a fourth cavity, and a limiting rod capable of moving up and down along the inner wall of the fourth cavity is arranged in the fourth cavity. The PRP preparation device is convenient to operate, high in preparation efficiency and capable of preparing PRP with different leukocyte contents according to requirements, and different treatment requirements are met.

The invention belongs to the technical field of petrochemical liquefied hydrocarbon storage and transportation, and particularly discloses a spherical tank water cutting separated gaseous hydrocarbon pressurization recovery device which comprises a spherical tank and a switch valve, the bottom of the spherical tank is sequentially connected with an inlet valve, a water cutting tank, a water cutting pipeline and a flash tank, a water cutting valve is installed on the water cutting pipeline, and the output end of the water cutting pipeline extends into the flash tank; the top opening of the flash tank is connected with a recovery gas path for recovering gaseous hydrocarbon, the tail end of the recovery gas path is connected into the water cutting tank, the recovery gas path is connected with a speed limiting valve and a booster pump, and a gas path working pressure sensing control device is mounted between the booster pump and the speed limiting valve; a drainage pipeline is connected to a drainage port at the bottom of the flash tank, a drainage valve and an infusion pump are mounted on the drainage pipeline, and a drainage pipeline working pressure sensing control device is mounted between the drainage valve and the infusion pump. The pressurized recovery device for the gaseous hydrocarbon separated out by water cutting of the spherical tank can completely recover the separated gaseous hydrocarbon, reduces environmental pollution, can well recycle the separated gaseous hydrocarbon, and is small in gaseous hydrocarbon loss, energy-saving, consumption-reducing, safe and reliable.

The invention discloses a recovery device and a recovery process for VOC (volatile organic compounds) in waste gas, and relates to the technical field of waste gas recovery, the recovery device comprises a conical bottom tank, a floating disc, a material guide pipe and a drainage pipe. The invention further discloses a recovery technology of the recovery equipment for VOC in waste gas. The recovery technology comprises the following steps of waste gas collection and pretreatment, condensation recovery, transition precipitation and product output. According to the invention, the floating disc for separating the space is mounted in the conical bottom tank and floats on the surface of the VOC liquid phase, so that the contact area between the VOC liquid phase and air is reduced, the dissipation of liquid VOC is reduced, the loss of VOC in the transition standing process is reduced, the floating disc is adjusted up and down by adopting a magnetic coupling driving mode, and the service life of the floating disc is prolonged. And the position of the floating disc can be actively adjusted in the VOC liquid phase feeding and discharging process, so that the pressure change generated by VOC liquid phase feeding and discharging in the conical bottom tank is reduced, the dissipation of VOC is further reduced, and the purity of the liquid phase VOC finally output by the device is ensured.

The utility model belongs to the technical field of oil-gas well production and separation, and particularly relates to a secondary oil-water separation device. Comprising a separation tank, a liquid inlet pipe is arranged on the side wall of the separation tank, the other end of the liquid inlet pipe is used for being connected with a crude oil storage tank, a liquid level meter is arranged on the side wall of the separation tank, an oil discharge pipe and a sewage discharge pipe are arranged at the bottom of the separation tank, the oil discharge pipe is used for being connected with the crude oil storage tank, and the sewage discharge pipe is used for being connected with a sewage tank. The secondary oil-water separation device is used for performing secondary separation on an oil-water mixture which is primarily separated in a crude oil storage tank, and sewage and crude oil are further separated through the secondary oil-water separation device, so that the content of crude oil in the sewage which enters a sewage tank from a blow-off pipe is greatly reduced, and the crude oil can be recycled into the crude oil storage tank to the greatest extent. After multiple cycles, the crude oil in the crude oil storage tank is high in purity, so that the quality of the crude oil in the crude oil storage tank is further guaranteed. According to the device, the crude oil treatment cost is not additionally increased while the sewage treatment difficulty is reduced.

The invention discloses a low-temperature degreasing system for coating pretreatment, and belongs to the field of purification and reutilization of degreasing fluid for automobile coating pretreatment. The coating pretreatment low-temperature degreasing system comprises a degreasing tank provided with a workpiece inlet end A and a workpiece outlet end B; the heating module is arranged at the bottom of the degreasing tank and is used for heating the degreasing fluid in the degreasing tank; the first hydrodynamic cavitation module is connected with the degreasing tank; the heating demulsification oil-water separator is connected with the degreasing tank; and the second hydrodynamic cavitation module is connected with the heating demulsification oil-water separator. According to the coating pretreatment low-temperature degreasing system and method, the heating demulsification technology and the hydrodynamic cavitation technology are combined for use, and the better degreasing and oil removing effect can be achieved under the condition that the temperature is lower than the temperature of traditional high-temperature heating demulsification; under the condition that the working temperature of the degreasing tank is reduced, the degreasing fluid can keep the same cleaning capacity; therefore, energy consumption is saved, and the degreasing tank liquid replacement period is prolonged.

The invention discloses an oil-water separation method and device for dementholized peppermint oil extraction, an oil-water separation device is used for separating a mixture, dementholized peppermint oil floats at the upper part of the outer layer of the oil-water separation device, and water is at the lower part of the outer layer of the oil-water separation device; a solution with the same volume as the dementholized peppermint oil in the mixture is injected into the outer layer, so that the dementholized peppermint oil floating on the upper part of the outer layer of the oil-water separation device overflows and enters the upper part of the inner layer of the oil-water separation device for extracting the dementholized peppermint oil; according to the designed oil-water separation device, after separation is completed, the lifting assembly can guide separated dementholized peppermint oil to the collection container, and manual intervention is not needed. According to the oil-water separation device, the tedious operation that oil needs to be manually transferred after separation is finished each time is avoided, the separation efficiency and the working stability are improved, especially during mass production, the frequency of manual operation is reduced, the oil-water separation process can be continuously carried out, time can be effectively saved, and the working efficiency is improved.

The present invention discloses a PRP extraction device, including an extraction tube, a connector is provided at the upper end of the extraction tube, and a piston is provided inside the extraction tube; the present invention also discloses a method for realizing the PRP extraction device. The present invention extracts PRP through the extraction tube, and does not need to use a long needle tube to insert for extraction, thereby reducing the interference of human factors, and the extracted PRP has higher purity and is more stable, so that leukocyte-rich platelet-rich plasma, leukocyte-poor platelet-rich plasma and injectable platelet-rich fibrin can be extracted; the connector of the present invention is provided with an end cap, and the connector is sealed by the end cap, so as to avoid blood being thrown out from the connector during centrifugation; the bottom of the extraction tube of the present invention is provided with a base, and the piston is limited by the base, so as to avoid the piston being thrown out during the centrifugation of the extraction tube.