147 results about "Centrifugal field" patented technology

A separator for the centrifugal processing of a flowable product includes a rotatable drum with a vertical rotation axis. The rotatable drum borders a centrifuge chamber and includes a clarifying arrangement in the drum for clarifying the product to be processed in the centrifugal field. The drum has a separating plane between a drum top part and a drum bottom part. A supply system and the drain system are designed on the drum. The separator also includes a housing in which the drum is arranged, the housing having floor part and a housing shell part connectable to the floor part. A separating plane is likewise designed between the floor part and the housing shell part of the housing. The two separating planes are aligned with each other or there is an offset of less than 250 mm between the two separating planes.

A method for comprehensively processing coal-type caustobiolites, predominantly brown coal and leonardite, into humic organic and organomineral fertilizers and intor preparations producing fuel briquettes, including carrying out main processes in a continuous flow; carrying out leaching processes based on aqueous solutions with hydromodules of close to 2, carrying out acidification processes with the formation of humic acid released from a liquid phase into a heavy phase of a coagulated pulp, carrying out mechanical phase separation processes in a centrifugal field, carrying out liquid-phase mechanoactivation and the dispersion of reaction compositions via grinding, using residual “water” in recycling, and including the production of water-soluble humic acids and fuel briquettes and allowing for the production of a wide range of products; preliminarily grinding raw materials to a 03 mm class, and cleaning and electrochemically softening water in preparing reaction aqueous solutions; using a liquid-phase raw material oxidation process, and using liquid-phase mechanoactivation and / or mechanochemical activation, with the dispersion of reaction compositions by means of grinding and by means of dynamically shifting layers having statistical shift rate components, of a medium to be processed, which range from single-digit meters per second to tens of meters per second; accompanying said mechanoactivation with the dosed input into said medium of 1040 MJ of mechanical energy per cubic meter, with the stabilization of said dosing regardless of the drift of all other parameters in said medium to be processed; wherein, said grinding and shifting processes are formed by means of statistical and dynamic characteristics; in this way, a dynamic hydro-pulse effect on a medium to be processed is carried out within a range of frequencies floating between infrasound and frequencies bordering on ultrasound, wherein the processing is carried out beginning with higher frequencies; in addition, providing for automatically maintaining maximum parameters for inputting mechanical energy into the medium to be processed, while automatically restricting same within a sub-cavitation zone in order to prevent the transition of the mechanochemical reactors into cavitation modes.

A single use, sterile, self-contained, compact, easy to use centrifugal separation unit provides for quick, reliable platelet concentration from whole blood. Anti-coagulated blood is injected through an elastomeric seal into a separation chamber featuring a tapered barrel and an end cap. At least one port is located in the end cap, at a desired radius from the longitudinal axis. The centrifugal field created by rotation of the chamber stratifies the blood radially, with red blood cells adjacent the wall of the barrel, and plasma found closest to the longitudinal axis. Opening the port causes the pressure of the centrifugal field to eject red blood cells or plasma, thereby increasing the concentration of platelets remaining in the chamber. After ceasing chamber rotation, the concentrated platelets are recovered.

The invention discloses a three-degree-of-freedom turning frame system applied to a dynamic flight simulator of a helicopter. A rolling and turning frame is connected with a manned cabin in a rotatable manner to realize pitching motion of the manned cabin; a yawing frame is connected with the rolling and turning frame in a rotatable manner to realize rolling and turning motion of the manned cabin;the yawing frame is connected with the tail end of a turning arm of a centrifugal machine through a bearing to realize yawing motion of the manned cabin, so that the manned cabin rotates in three degrees of freedom in a centrifugal field; the rolling and turning frame and the manned cabin as well as the rolling and turning frame and the yawing frame are respectively connected through expansion sleeves; furthermore, a power system is mounted on a shaft sleeve; the shaft sleeve is mounted in a shaft hole. The structural cooperation is relatively easy to mount and dismount; due to the design ofa round table structure on a pin shaft and a conical surface in the shaft hole, the pin shaft can be automatically guided and located during mounting, and the cooperation precision is high.

The invention relates to a control system for tunnel stratum loss and grouting simulation in a centrifugal field. The system comprises a model case, a baffle plate, a model component, an accessory component, an operation subsystem and a centrifuge, wherein the baffle plate is arranged in the model case to divide the model case into two parts, namely a model side and an accessory side; the model component is arranged in the model side; the accessory component is arranged in the accessory side; the accessory side of the baffle plate is welded with three pieces of stiffening plates to divide theaccessory side into three spaces; the operation subsystem is connected with the accessory component; and the model case is arranged on the centrifuge. Compared with the prior art, the control system has the advantages that the control system can simulate actual conditions such as tunnel excavation, the stratum loss and tunnel grouting in the high-speed centrifugal field, better represents actual soil mass stress level in a laboratory and can acquire practical engineering rules; equipment and devices needed by making the system can be realized in the prior art; the requirements on equipment ofa centrifugal laboratory are not high and the like.

A method of production of a soymilk or a soy-based beverage. The method includes the following processing steps: providing soybeans for processing; soaking the soybeans; grinding the soybeans to form a slurry; separating the soy slurry into soymilk and okara in a centrifugal field. The soaking and grinding are carried out at temperatures from 0° C. to 40° C., which temperatures yield native proteins. Further included is a step of deodorizing the soymilk to reduce the beany taste.

A reduction gear includes a sun pinion and planet pinions driven by the sun pinion and rolling on a fixed ring gear. The device includes an oil tank, an oil supply duct and oil routing ducts. The device also includes an oil ejection device at the end of the fixed supply duct, the orientation of which includes a radial component directed away from a common axis of rotation, and a cylindrical device for recovering the oil that can move in rotation about the common axis of rotation. The oil ejection device is linked by at least one duct to a lubrication device for the gear formed by the cooperation of the teeth of at least one planet pinion with an adjacent pinion. This device feeds the ducts which supply the oil to the parts to be lubricated, by virtue of the action of the centrifugal field.

The invention belongs to a construction site simulating device, in particular to a device for simulating a centrifugal field slope excavating condition. After a pulling motor is electrified, a motor gear rotates forwardly and reversely so as to drive an upper plate on right end of a rack to slide left and right on a linear guide rail and drive a blade to move left and right, namely, efficiently simulate the process of 'pulling and pushing'. A motor shaft of the linear motor drives a lower blade to move up and down along the vertical direction, so as to realize the process of 'downwards cutting-upwards lifting' by vertically inserting the blade and removing the slope foot according to the requirement. The invention has high reliability, low cost, wide application, simple device structure and convenient modification. Device and model boxes are separated from each other, so the narrow inner idle size of the model boxes after being sampled is not limited any more. The control is convenient. By connecting a sliding ring to a control chamber and combining with an image sampling and displacement measuring system, the side slope can be excavated for several times at real time.

Blood processing systems and methods establish on line communication between a container and a source of blood containing leukocytes and platelets, such as a human donor. The systems and methods create a centrifugal field between the source of blood and the container that separates from the blood an unfinished suspension of platelets having a first physiologic characteristic different than the desired physiologic characteristic. The systems and methods pump the unfinished platelet suspension outside the centrifugal field through a finishing device. The finishing device changes the first physiologic characteristic to the desired physiological characteristic, thereby creating the finished platelet suspension. The systems and methods convey the finished platelet suspension from the finishing device directly into the container. The systems and methods function without interrupting the on line communication between the container and the source of blood.

The invention discloses a wave simulation generating device under a high gravity field. The adoption of a wave absorbing unit can enhance the wave absorbing effect, reduce the influence of a reflectedwave on a waveform, and ensure the similarity of a wave simulation experiment to real environment simulation. The wave absorbing unit can adjust the position of a wave absorbing plate and the size ofa grating opening according to the waveform generated by a wave generating unit so as to ensure an optimal wave absorbing effect. The wave generating unit realizes force transfer and the decoupling of motion in a simple structure. Compared with a transmission structure with a long transmission path and a complicated structure, the wave simulation generating device is less affected by mechanism jamming caused by deformation of a centrifugal field and ensures the rigidity and stability of a transmission mechanism more easily. Different from a conventional way of moving a push plate as a whole,only the upper part of the push plate is pushed, and so the load on the push plate is small and required power is small. The wave simulation generating device under a high gravity field is suitable for simulation of waves with high water depth and large amplitude.

The invention discloses a testing system for a shield tunnel excavation face stability-losing centrifugal model test under the seepage condition. An FBG sensor of the testing system guides out a signal through an optical fiber grating, an advanced optical fiber grating sensing technology is used for the shield tunnel excavation face stability-losing centrifugal model test under the seepage condition firstly, the change characteristics of supporting force of the excavation face in the shield tunnel excavation face stability-losing process can be obtained in high-precision and real-time modes, and actual shield tunnel construction is guided. The displacement and retreat rates of an excavation face plate are controlled precisely in real time in a centrifugal field through a geotechnical centrifuge manipulator, the shield tunnel excavation face stability-losing centrifugal model test at different tunnel longitudinal slope angles is achieved through the geotechnical centrifuge manipulator and an angle adjusting device, the conception is ingenious, implementing is easy, and the testing system is reasonable in scheme, simple in structure and conventional in use equipment, and has good economic benefits and social benefits.

The invention provides a gas-liquid separation device for de-foaming gas. The gas-liquid separation device comprises a cyclone shell body, and a centrifugal de-foaming part and a secondary chemical de-foaming part which are arranged in the cyclone shell body, wherein the centrifugal de-foaming part is arranged at the lower part of the cyclone shell body and comprises a cyclone inner barrel, and arotary blade assembly and an exhausting pipe which are arranged in the cyclone inner barrel; the rotary blade assembly sleeves the outer side of the exhausting pipe; the secondary chemical de-foamingpart is arranged at the upper part of the cyclone shell body and comprises a de-foaming net arranged above the cyclone inner barrel in the device, and a corrugated plate arranged above the de-foamingnet. De-foaming methods including a centrifugal field, inertial impaction, super-hydrophobic surfaces and the like are reasonably and effectively matched together, and rapid de-foaming can be realizedthrough combining a mechanical method and a chemical de-foaming mechanism; compared with an existing chemical de-foaming method, the operation cost is greatly reduced and a pre-separation process ofgas and liquid phases also can be realized, so that the generation of secondary foam can be effectively reduced.

The invention discloses a test device for research of temperature field distribution characteristics under a temperature-acceleration environment. The device comprises an environmental test box, an electric heating film, a power meter, a power supply, fans, a valve, a vacuum pump, a composite vacuum gauge, a test framework, a fixation bracket, point heat sources, temperature sensors, an aviation plug, and a data acquisition and power controller. The invention also discloses a test method for research of temperature field distribution characteristics under the temperature-acceleration environment, and the method consists of the steps of: starting a centrifuge; starting the point sources; controlling conduction heating of the electric heating film; when the temperature reaches balance, regulating the pressure in an environmental test box; when balance is reached again, acquiring the temperature field distribution the environmental test box again; and turning off the equipment to end the test. Through the device and the method provided by the invention, temperature field distribution characteristics under the action of a centrifugal field and under different conditions (internal heat source characteristics, pressure level, and air flow rate) can be acquired, and the product internal temperature field distribution under multipoint heat sources can be simulated.

The invention discloses a system and a method for accurate positioning control under the overweight environment. The system for accurate positioning control comprises a driving unit, an industrial personal computer, a magnetic grid sensor and a motion controller, wherein the driving unit comprises a servo motor, a servo actuator and a rotary transformer. When the span of a controlled moving support is small, one set of driving unit is used for performing single-axis positioning control on the controlled moving support; and when the span of a moved support is overlarge, two sets of driving units are adopted for synchronously driving two sides of the controlled moving support to perform double-axis positioning control. The system is high in positioning accuracy and repeatability precision, has large loading capacity and is suitable for accurate positioning of the large-range controlled moving support under the overweight environment. Under a 100g of centrifugal field, the positioning accuracy of the system is superior to 0.2mm, and the largest bearing force exceeds 18000N. For achieving double-axis positioning control under the high centrifugal field, two axes are regarded as the same axis for performing synchronous control, and reliability and safety of the system are improved.

A single use, sterile, self-contained, compact, easy to use centrifugal separation unit provides for quick, reliable platelet concentration from whole blood. Anti-coagulated blood is injected through an elastomeric seal into a separation chamber featuring a tapered barrel and an end cap. At least one port is located in the end cap, at a desired radius from the longitudinal axis. The centrifugal field created by rotation of the chamber stratifies the blood radially, with red blood cells adjacent the wall of the barrel, and plasma found closest to the longitudinal axis. Opening the port causes the pressure of the centrifugal field to eject red blood cells or plasma, thereby increasing the concentration of platelets remaining in the chamber. After ceasing chamber rotation, the concentrated platelets are recovered.

Blood processing systems and methods establish on line communication between a container and a source of blood containing leukocytes and platelets, such as a human donor. The systems and methods create a centrifugal field between the source of blood and the container that separates from the blood an unfinished suspension of platelets having a first physiologic characteristic different than the desired physiologic characteristic. The systems and methods pump the unfinished platelet suspension outside the centrifugal field through a finishing device. The finishing device changes the first physiologic characteristic to the desired physiological characteristic, thereby creating the finished platelet suspension. The systems and methods convey the finished platelet suspension from the finishing device directly into the container. The systems and methods function without interrupting the on line communication between the container and the source of blood.

The invention discloses an online dynamic balance regulating mechanism of a geotechnical centrifuge. The online dynamic balance regulating mechanism comprises an imbalance force monitoring device, a dynamic balance regulating device and a dynamic balance counterweight block, wherein the dynamic balance regulating device comprises a balance controller, a motor, a screw lifting machine and a flange, the signal end of the balance controller is respectively connected between the control signal input ends of the imbalance force monitoring device and the motor, a rotating shaft of the motor and an input shaft of the screw lifting machine are connected through a shaft coupling, the flange is mounted on a screw rod of the screw lifting machine through a center hole of the flange, the flange is in threaded connection with the screw rod, and the outer side of the flange is connected with the dynamic balance counterweight block. The online dynamic balance regulating mechanism disclosed by the invention adopts the motor as a power source so as to facilitate the continuous providing of energy by utilizing a mature electric slip ring technology; and the screw lifting machine is adopted as an execution element, so that the online dynamic balance regulating mechanism can meet not only the dynamic regulation function under a centrifugal field, but also the power outage self-locking function under a balanced state, and has the advantages of realizing high regulation precision, being stable and reliable to work and saving electrical energy.

The invention relates to a classifier for the centrifugal classification of minerals and the classifier can effectively separate minerals with different heavy mineral contents and be especially suitable for the deep concentration of fine minerals with high heavy mineral contents. In the classifier, a water inlet pipe is connected on the wall of a sealed barrel-shaped settling chamber, the upper part of the settling chamber is provided with a barrel-shaped spiral flow column, the lower part is connected with a concentration cone; the lower end of the concentration cone is connected with a concentrate pipe; the upper part of the spiral flow column is connected with a mineral-feeding pipe tangentially, the lower part is connected with a coaxial sorting cone with a sealed bottom, tangential fluidization holes are uniformly distributed at the bottom of a conical ring slot on the inner wall of the sorting cone, and the top of the spiral flow column is provided with a tailing pipe which is communicated with the lower part of the sorting cone. The classifier of the invention utilizes the rotation of pulp to establish a centrifugal field; the formed cast film has large thickness and strong mineral storage and buffer capacities; and minerals with high heavy mineral content and concentrate yield or minerals with low heavy mineral content and concentrate yield can be effectively sorted, thus the classifier has strong adaptability.

A method for influencing the pulp content of a fruit or citrus juice. The method steps include: continuously purifying the juice of a pulp phase in a centrifugal field of a separator, the pulp being discharged from a drum of the separator through a pulp discharge line; measuring a density of the discharged pulp phase by a density flow-through measuring device; and, controlling a controllable device in accordance with a density measurement by the density flow-through measuring device thereby influencing the density of the pulp phase.

The invention provides a method for separating superfine powder, belongs to the technical field of powder classification, and particularly relates to a method for performing free particle size classification on the superfine powder by the double rotary centrifugal field technology. The method utilizes revolution difference between a rotary outer cylinder and a rotary inner cylinder to separate coarse and fine powder; a shaft of the rotary inner cylinder is a hollow shaft, namely a material introducing port; and the rotary inner cylinder provided with vanes is arranged in the rotary outer cylinder, and the vanes on the rotary inner cylinder peel particles off from the inner wall of the rotary outer cylinder so as to achieve the separation aim. The powder with the particle size between 0.1 and 14mu m is put into water to prepare solution which is fully stirred; the water is introduced into an equipment cavity through the material introducing port, and equipment is started to operate for5 minutes; and revolutions of the rotary inner cylinder and the rotary outer cylinder are set to ensure that the revolution difference is between 0.1 and 10 r / min. The method has wide usage, simple operation, short period and energy conservation, and can be widely applied to ceramic powder such as carborundum, titanium oxide, boron carbide, alumina, magnesium oxide and the like.

The invention relates to a coupling type inertial cyclone fluid particle heterogeneous separation device and method. The device comprises an inertial curve and a cyclone separator coupled with the inertial curve and provided with an integrated volute tangential inlet. The inertial curve and the cyclone separator are integrally coupled, the fluid phase and the particle phase firstly enter an inertial curve body through an external pipeline, the differential particle concentration gradient is generated, the fluid phase and the particle phase enter the cyclone separator integrally coupled with the inertial curve to be separated, and therefore the defects existing in the separation process under the particle concentration uniformity or concentration-gradient-free condition in the traditional separation process are overcome. The inertial curve is organically integrated into fluid-particle radial concentration space, the concentration gradient with the outer portion higher than the inner portion is generated under the effect of a centrifugal field, the particle penetration amount caused by short-circuit current entrainment after particles enter the cyclone separator can be reduced, the distance or time of the particles moving towards the capture wall is shortened, and the heterogeneous separation efficiency is effectively improved under the condition that the pressure drop of the separator is not obviously increased.

The invention relates to a centrifugal pendulum (1) comprising a pendulum flange (2) that is rotatable about an axis of rotation (d), and pendulums (3) which are distributed along the circumference and are suspended in the pendulum flange (2) so as to oscillate within the centrifugal field of the rotating pendulum flange (2). In order to prevent the pendulums (3) from striking the pendulum flange (2) hard, the pendulums (3) are axially biased relative to the pendulum flange (2).

The invention discloses a geotechnical centrifuge dynamic balance adjusting system which comprises a high level cistern installed on a geotechnical centrifuge rotary arm bearing and used for storing water, an even number of end water tanks installed on rotary arms on the two sides of the geotechnical centrifuge rotary arm bearing, and multiple pipelines installed on a geotechnical centrifuge and used for enabling the high level cistern to communicate with the end water tanks. Since water is injected into the end water tanks for balancing, the centrifugal field of the end water tank at the farend is large, the needed balancing water amount is small, and therefore when the installation space is limited, the balancing ability can be greatly improved. The balancing ability is improved along with improving of the g value of the centrifugal field; the dynamic balance adjusting system effectively utilizes centrifugal force and the self weight effect of water for water injection, no driving device needs to be added, and system composition is greatly simplified; the dynamic balance adjusting system is provided with no element such as motors with working performance stability affected by the centrifugal field within the high centrifugal field area, system reliability is higher, limitation of the centrifugal field is small, and the using range is wider.

The invention discloses an integrated centrifugal machine dynamic balancing device and balancing method. According to the integrated centrifugal machine dynamic balancing device and the integrated centrifugal machine dynamic balancing method, balancing capacity is only related to self weight of a rocker arm system and axial translation displacement of rocker arms, and is not limited by aspects like capacity of a centrifugal machine, mass of movable clump weights and moving distance; the speed of a centrifugal field is only dozens of times that of gravitational acceleration due to mounting positions, the requirement on G value tolerance capacity of the entire balancing device is not high, and the device can reliably operate under a large-G value working condition; the entire dynamic balancing adjusting process of the centrifugal machine rocker arms is a double-closed loop control process and comprises a position closed loop feedback control inner ring between rocker arm practical offsettranslation and motion control of a hydraulic servo system and a force feedback closed loop control outer ring composed of rocker arm unbalanced force monitoring and unbalanced force control; and safe, reliable and accurate operation of an unbalanced force dynamic balancing system can be effectively guaranteed through a double-closed loop control method, and real-time updating, on-line monitoringand dynamic balancing can be carried out on unbalanced force under operation of the centrifugal machine.

The invention discloses a flotation separation process for mixed copper and lead concentrate. The flotation separation process is characterized by comprising the steps of pretreatment, flotation separation and gravity concentration, and concretely comprises the following flows of performing ore grinding and reagent removal on raw ore; adding a combined inhibitor which consists of the combination of H2O2, ferric chlorate and sodium thiosulfate, a collecting agent and a foaming agent, and performing rough concentration, refining and scavenging to obtain lead concentrate and copper rough concentrate; performing the gravity concentration on the copper rough concentrate in a high centrifugal field after the gravity concentration is performed on the copper rough concentrate to obtain copper concentrate and middling products; returning the middling products to the step of the flotation separation for cycle operation after the ore grinding is performed on the middling products. According to the flotation separation process disclosed by the invention, in allusion to a joint separation process adopted by mixed copper sulfide and lead concentrate, the mixed copper and lead concentrate is effectively and comprehensively utilized and efficiently recovered; the process is simple, and the operation is convenient.

The present invention relates to a device for liquid degassing by means of the swirling or the centrifugal field coupled with the pressure gradient field. This device comprises a cavity. The cavity is furnished with an inlet for liquid gas, an outlet for gas phase and an outlet for gas liquid phase. The outlet for gas phase is inserted into the cavity through the upper surface of the cavity, wherein the depth of the insertion is around 0.1-3 times of the maximum diameter of the cavity. Specifically, the outlet for gas phase is realized through an overflow pipe with the diameter gradually increasing from the bottom to the top. The end of the overflow pipe is further furnished with a bell mouth. The advantages of the present invention are: The present invention designs the structure of an inverted cone shaped outlet for gas phase which is inserted into the cavity of the swirling device. The present invention makes full use of the impact of pressure gradient in the cavity on the solubility of gas in liquid and combines the centrifugal field and the pressure gradient field to remove the gas entrained with liquid while the dissolved gas is removed under the inlet partial pressure.

The invention discloses a super-gravity device used for electrochemical deposition in ironic liquid, and belongs to the field of the electrochemical deposition under a special condition. The super-gravity device comprises an electrolytic tank, a balance weight system, a shaft cooling system, a shielding gas transmission system, a speed measurement system, a rotating speed and temperature control display system and a conducting slip ring system. In the reaction process, a motor drives a shaft to rotate to supply required centrifugal force; the centrifugal force is measured by a super-gravity coefficient; the super-gravity coefficient is calculated by the speed measurement system; the temperature in the electrolytic tank is controlled by the temperature control system; the dynamic balance of the electrolytic tank in a centrifugal field is realized through the balance weight system; an inert gas atmosphere required by the reaction is realized through the shielding gas transmission system; the shaft cooling of the super-gravity device is realized through the shaft cooling system; and the current required in the electro-deposition process is supplied by the conducting slip ring system.

A fluid processing assembly can be easily inserted into and removed from a rotatable centrifuge channel. The processing assembly comprises a processing container and a carrier. The processing container has flexibility and, in use, occupies the channel to receive fluids for separation in the centrifugal field. The carrier retains the processing container outside the channel in a flexed condition conforming to the channel. The carrier resists deformation of the processing container during its insertion into or removal from the channel.

The current invention relates to an apparatus for performing a centrifugal field-flow fractionation. In particular, in the apparatus according to the invention, radial rotary shaft seals are used for sealing the rotating parts of the shaft for carrying out the centrifugal field-flow fractionation and the stationary parts. Furthermore, a separate line is introduced for reducing the pressure differential across these seals. In such way, the driving force driving sample fluid across the seals is reduced, thereby reducing leakage.

The invention relates to a crude oil dehydrating device combing an electric field and a centrifugal field, which consists of a shell, an electric field and centrifugal field integral structure, a motor, a pulley, a triangle leather belt, a dehydrating power supply device, an oil tank and a sewage tank. A centrifugal field structure consists of a hollow shaft, a liquid inlet pipe, a water outlet pipe, an oil outlet pipe, a sealed taper centrifugal cavity, an oil collector, a liquid distributor, a water collector, and sealing joints of the water outlet pipe, the oil outlet pipe and the liquid inlet pipe, wherein the hollow shaft is arranged in the vertical center of the shell; the liquid inlet pipe, the water outlet pipe and the oil outlet pipe are arranged in the hollow shaft; the sealed taper centrifugal cavity is arranged in the middle of the hollow shaft; the oil collector is arranged on the upper part in the hollow shaft; the liquid distributor is arranged in the middle of the hollow shaft; the water collector is arranged on the lower part of the hollow shaft; and the sealing joints are arranged on the upper part of the hollow shaft and do not rotate. An electric field structureconsists of a disk-shaped electrode plate, the other disk-shaped electrode plate, moving electrodes and fixed electrodes, wherein the disk-shaped electrode plate is arranged between the oil collectorand the liquid distributor; the other disk-shaped electrode plate is arranged on the centrifugal cavity and staggered with the electrode plate of the hollow shaft; the moving electrodes are arrangedat both ends of the hollow shaft; and the fixed electrodes are arranged at the upper end and the lower end of the shell and correspondingly and movably contact the moving electrodes. The upper fixed electrode and the lower fixed electrode are connected with the dehydrating power supply device; and a motor pulley is connected with the pulley on the lower part of the hollow shaft through the.