55results about How to "Quick separation" patented technology

The invention discloses a separating and enriching microfluidic chip with high flux for tumor cells. The separating and enriching microfluidic chip comprises four functional modules, namely an upper flow guide module (1), a flow rate adjusting module (2), a high-flux inertial separating and enriching module (3) and a lower flow guide module (4), wherein the upper flow guide module (1) is used for guiding normal saline and blood to a target position; the flow rate adjusting module (2) is used for providing flow rate required by separating of tumor cells and blood cells; the high-flux inertial separating and enriching module (3) is used for improving separating speed by integrating a plurality of inertial separating flow channels; the lower flow guide module (4) is used for collecting the blood cells and tumor cells to different exits. The separating and enriching microfluidic chip has the advantages that the functions of flow rate automatic control and tumor cell separating and enriching are realized, the other auxiliary equipment is not needed, the low-cost and high-flux separating on the tumor cells circulating in the blood is realized, and the important value and commercial prospect are realized in the cancer diagnosis, prognosis evaluation and the like.

Provided is an electro-chemical water treatment apparatus and method for removing total nitrogen ingredients of ammonia nitrogen, nitrous acid nitrogen, nitrate nitrogen etc., organic materials of BOD and COD induction ingredients, and cyanogen included in wastewater and dirty water. The apparatus includes: a wastewater collection reservoir that contains wastewater; a wastewater storage retention reservoir that controls a hydrogen ion concentration (pH), an electrical conductivity and an amount of flow of wastewater; an electrolyte tank which makes the electrical conductivity of the wastewater as an electrical conductivity at which an electrolysis can be achieved; a pH conditioner tank that supplies a pH conditioner for the wastewater; an electrolyzer including an anode plate and a cathode plate, and a number of electrodes which are arranged as an electrification body between the anode plate and the cathode plate; and a controller which grasps state of wastewater and which is connected to the anode plate and the cathode plate to thereby control the electrolysis.

The invention relates to a method for isolated culture of adipose-derived stem cells and a serum-free culture medium, and belongs to the technical field of biological cell separation. The adopted technical scheme is a serum-free culture medium for adipose-derived stem cells, wherein the serum-free culture medium is obtained by adding ascorbic acid, basic fibroblast growth factors, platelet derivedfactors and human serum albumin into a basic culture medium, and the concentrations of the components in the serum-free stem cell culture medium are as follows: 60-80 mg/L for the ascorbic acid, 10-30 [mu]g/L for the basic fibroblast growth factors, 10-30 [mu]g/L for the platelet derived factors and 4-8 g/L for the human serum albumin. The invention has the advantages that the isolated culture method is simple, high in efficiency and fast in separation of adipose-derived stem cells, large in quantity of obtained cells, and reduced in sample usage; the serum-free culture medium provided by theinvention has scientific components and excellent proportioning, is beneficial to the growth of the adipose-derived stem cells, and greatly improves the proliferation rate of the adipose-derived stemcells.

The invention belongs to the technical field of gas purification and discloses a tritium gas purification system. The system comprises a tritium gas introduction system which is connected with each other or disconnected via valves, a circulation separation system and a tail gas monitoring system. The tritium gas introduction system comprises a vacuum pump, a cold trap, a buffer bottle, a vacuum gauge and a bottle for storing tritium and uranium to be purified. The circulation separation system comprises two flow-type uranium beds, a tritium-storing uranium bed and a circulating pump, wherein the two flow-type uranium beds and the tritium-storing uranium bed are serially connected through pipelines and are all provided with an electric-heating device. The two flow-type uranium beds respectively adsorbs impurity gas other than tritium gas or helium gas, and stores the tritium gas and releases the tritium gas after storing the tritium gas; the tritium-storing uranium bed stores the released-purified tritium gas and is connected with a tail gas tank of the tail gas monitoring system through pipelines; the tail gas monitoring system comprises the tail gas tank, a tail gas monitoring pressure meter and the circulating pump. The purification system has advantages of almost 100% recovery rate of tritium gas and more than 99% purity of tritium gas.

The invention relates to a docking device, in particular to a rotary locking quick docking device. The rotary locking quick docking device comprises a connecting frame I, a connecting frame II, a locking frame, a supporting ring, a sliding mechanism, a snap ring, a limiting ring and a dismounting mechanism; the connecting frame II is clamped to the connecting frame I, the supporting ring is fixedly connected to the connecting frame I, the locking frame is slidably connected to the supporting ring, and a compression spring is arranged between the locking frame and the supporting ring; a connecting clamping plate can be rotated while the connecting clamping plate is made move downwards, the connecting clamping plate accordingly presses a arc baffle to clamp the arc baffle into a connecting clamping slot, and quick connection of the connecting frame I and the connecting frame II is completed; the arc baffle resets under the action of the compression spring, the locking frame is slidably connected to the connecting frame I to conduct rotation limiting on the connecting frame II, and the connecting frame II is completely clamped to the connecting frame I; and the connecting frame I and the connecting frame II are locked in one direction, the connecting frame I can be separated from the connecting frame II only by moving the sliding mechanism on the connecting frame I.

The invention provides a linear fire work separation device. The linear fire work separation device comprises a separation plate and a separation component. The separation component comprises a first separation part and a second separation part combined with the first separation part. The separation plate is fixedly connected with the first separation part and the second separation part. The upper surface of the first separation part or the second separation part is sunken inwards, and thus a containing groove is formed. The separation plate covers an opening of the containing groove. A load expansion pipe is mounted in the containing groove. An inward-sunken separation groove is formed in the upper surface of the separation plate in the axial direction and located above the containing groove. According to the linear fire work separation device, rapid separation can be achieved in a compact small-sized space, and the situation that residual pollution generated by the explosive load is dispersed into a space storing the separation device and consequently equipment in the space is damaged is avoided.

The invention discloses a recovery method for metals in waste printed circuit boards. The recovery method comprises the following steps: step 1, adding the samples obtained after mechanically crushing the waste printed circuit boards in an anode groove of an electrolysis reactor, and adding an electrolyte composed of copper sulphate, sodium chloride, sulphuric acid and deionized water in the electrolysis reactor simultaneously; step 2, charging ozone in the anode groove, stirring simultaneously, and then turning on a power supply and carrying out electrolysis; and step 3, after the completion of the electrolysis reaction, collecting metal powder enriched and deposited on the surface of a cathode, and washing and drying to obtain the recovered metals. According to the invention, the metals in the waste printed circuit boards are recovered by means of ore pulp electrolysis, rapid separation for the metals and non-metals can be realized, the metals can be effectively recovered, the recovery rate of the metals can achieve more than 85%, and the highest recovery rate can achieve 96.51%. The recovery method is an environment-friendly type treatment method which is simple and convenient to operate, green and efficient.

The invention discloses a method applying HPLC and simultaneously determining phytoecdysone substance; the method comprises the steps of: a, using YMC 250X4.6mm, S-5um chromatographic column; b, using methanol-water mobile phase to carry out gradient wash out; C, flow velocity: 1.0mL/min, sample size: 20uL, column temperature: 38 DEG C; d, wavelength: 260nm, scanning wavelength: 200-600nm. The method is simple in operation, fast in splitting, high in flexibility, the chromatographic column needs not to be changed, and the result is good in stability and high in repeatability.

A method for producing, on an SiC substrate, SiC homoepitaxial layers of the same polytype as the substrate. The layers are grown on a surface of the SiC substrate, wherein the surface is inclined relative to the (0001) basal plane at an angle higher than 0.1 degree but less than 1 degree. An homoepitaxial growth is started by forming a boundary layer with a thickness up to 1 μm.

The invention provides a rapid detection method for alkannin. The method comprises the steps of 1, sample preparation, 2, PY-GC/MS detection and 3, data analysis and qualitative and quantitative analysis. The PY-GC/MS technology is selected for detecting the content of alkannin in lithospermum, the rapid and microcrystalline detection method for alkannin is provided for solving the problems that qualities of the alkannin in actual production and living are different due to different producing areas, seasons and processing methods, and then the alkannin or the quality of the alkannin compound preparation is preliminarily judged. The rapid detection method has the advantages of being easy to implement, low in detection limit, good in experiment reproducibility and visual and reliable in experimental data, is particularly applicable to micro-sample detection, and can be used for preliminary comparison of quality differences of alkannin or alkannin compound preparation samples of different producing areas, varieties, batches and manufacturers, the application range is wide, and the preliminary judgment basis is provided for quality standard and modernization application of alkannin or alkannin compound preparations.

The invention relates to a rapid-plug and self-locking radio-frequency connector. The difference lies in that the rapid-plug and self-locking radio-frequency connector comprises a plug and a socket which are matched with each other, wherein the socket comprises a socket shell, an annular convex part and an annular concave part are formed on an outer wall of the socket shell, the plug comprises a plug shell, an unlocking sleeve and a first spring piece, the unlocking sleeve sleeves an outer side of a front end of the plug shell, the first spring piece is sleeved between the plug shell and the unlocking sleeve, a first annular boss is formed on an inner wall of the unlocking sleeve, a second annular boss is formed on an outer wall of the plug shell, the plug also comprises a plurality of ball structures, a second spring piece and a sliding ring, the second spring piece is arranged in a first step cavity, the sliding ring props against a front end of the second spring piece and can move in the first step cavity, ball holes are formed in the plug shell, penetrates through the plug shell and are in one-to-one correspondence to the ball structures, and annular ball grooves are formed inan inner wall of the unlocking sleeves and corresponding positions of the ball holes. The rapid-plug and self-locking radio-frequency connector is reliable to connect, and rapid connection and rapid separation can be achieved.

The invention provides a preparation method of magnetic beads for protein purification. Chitosan and magnetic powder are used as raw materials, core-shell structure particles of crosslinked chitosan coated magnetic powder are formed under the effect of a cross-linking agent, and the magnetic beads for protein purification are formed under reduction and carboxymethylation effects. The magnetic beads for protein purification are used for separation and purification of protein with his-tag, and the separation efficiency is greatly improved. The problem of protein denaturation possibly occurs during elution is avoided, and the protein separating efficiency can be improved. In addition, the preparation method is convenient and quick to operate, is suitable for separation of a turbid protein solution and is especially suitable for great industrial production.

The invention discloses a method for separating a positive electrode active material and a current collector of a waste lithium battery. The method comprises the steps of (1) disassembling the waste lithium battery after discharging, taking out a positive plate, and cleaning the positive plate; (2) putting the cleaned positive plate into a high-concentration strong alkali solution to be fully soaked so as to enable an aluminum foil to be basically separated from the positive electrode active material; (3) increasing mechanical stirring or water flow washing effect to promote complete separation of the positive electrode active material and the aluminum foil current collector, sinking the positive electrode active material into the bottom of the solution, and floating the aluminum foil current collector on the solution; and (4) filtering the aluminum foil floating on the upper part of the solution by using a large-mesh screen, washing with clear water, collecting the aluminum foil, collecting the reacted solution to obtain the positive electrode active material, and recycling the alkali liquor. The method provided by the invention can realize rapid separation of the positive electrode active material and the aluminum foil, and reduces the whole recovery cost while simplifying the separation process.

The invention provides a rapid motor dismounting and mounting tool and a dismounting and mounting method. The dismounting and mounting tool comprises dismounting and mounting devices symmetrically arranged at two sides in the axial direction of a motor, each dismounting and mounting device comprises a driving part, a screw rod connected with the driving part, a screw rod nut block in transmissionconnection with the screw rod and a fixing frame, the fixing frame is provided with a transmission screw hole matched with the screw rod, the screw rod is in transmission connection with the screw rodnut block and the fixing frame in sequence, the screw rod nut block is provided with a clamping part for clamping a motor base, and the driving part drives the screw rod to rotate and drives the screw rod nut block to move horizontally so that the motor base and the motor are driven to move horizontally, and in-situ separation or fitting connection of the motor is realized. By means of the arrangement, rapid separation of the motor can be achieved, particularly the motor can be installed horizontally, the motor does not need to be hoisted away from an installation area to be maintained like atraditional mode, the maintenance time is saved, and unpredictable risks in the hoisting process can be avoided.

The invention relates to waste lithium battery graded-crushing equipment and process. The equipment comprises a shredder, a suction fan and an air suction pipeline, and further comprises: a first-stage vertical crusher, a two-stage vertical crusher, a first-stage transmission mechanism, a second-stage transmission mechanism, a first-stage vibrating screen, a second-stage vibrating screen, a magnetic separator, a sealing cover and a diaphragm collector. Two stages of the vertical crushers and vibrating screens are added on the basis of an existing lithium battery shredder, thus forming a multi-stage shredding and crushing combination process for a lithium battery; rapid separation of valuable substances of waste lithium batteries is realized, and an enriched object with relatively high purity is obtained. Meanwhile, the separation effect of the vertical crushers is controlled by the arrangement of a material outlet and screens, so that the shape of a discharged material is regularized,and the subsequent physical sorting is facilitated. In addition, dissociated shells are removed by means of the magnetic separator; the sealing cover and the air suction pipeline are arranged to suckaway a lighter diaphragm and exhaust gas; finally the diaphragm is uniformly collected through the diaphragm collector to reduce environmental pollution.

The invention discloses tobacco leaf stem and leaf separation equipment which comprises a tobacco leaf clamping device and a stem and leaf separation device. The stem and leaf separation device comprises a tobacco leaf limiting mechanism and a tobacco leaf tearing mechanism, and in a working state, tobacco leaves are located between the tobacco leaf limiting mechanism and the tobacco leaf tearing mechanism; the tobacco leaf limiting mechanism comprises two limiting rollers, the two limiting rollers are connected through a limiting belt, and a plurality of limiting teeth are arranged on the limiting belt; and the tobacco leaf tearing mechanism comprises two tearing rollers, the two tearing rollers are connected through a tearing belt, a plurality of tearing teeth are arranged on the tearing belt, the rotation direction of the limiting rollers is opposite to that of the tearing rollers, the limiting rollers and the tearing rollers are perpendicular to the tobacco leaf conveying direction, and the limiting teeth and the tearing teeth are arranged in a staggered mode. The tobacco leaf limiting mechanism is matched with the tobacco leaf tearing mechanism, tobacco leaves can be torn down rapidly and effectively, tobacco stems are conveyed away through the tobacco leaf clamping device, rapid separation of the stems and the leaves is achieved, and a good separation effect is realized.

The invention discloses a separation method and device for yellow mealworms. The separation method includes the steps that due to the photophobism of the yellow mealworms, a light area and a dark area are arranged in a breeding container of the yellow mealworms, green light sources are adopted to irradiate the yellow mealworms, live insects creep to the dark area, dead insects, excrement and feed are left in the light area, and therefore the live insects are separated. The device comprises a breeding box, a baffle and the green light sources. The movable baffle is arranged in the middle of the breeding box, and when the baffle is closed, the space in the breeding box is divided by the baffle into the light area and the dark area, wherein the bottom of the light area and the bottom of the dark area are not communicated; the green light sources are arranged at the top of the light area. Or the device comprises a conveying belt, brush rollers, an upper cover, the green light sources, a live-insect collecting mechanism and a waste collecting mechanism. The brush rollers are arranged on the two sides of the conveying belt respectively, the upper cover is arranged above the brush rollers, the green light sources are arranged on the inner surface of the upper cover, the live-insect collecting mechanism is arranged on the outer side of the brush rollers, and the waste collecting mechanism is arranged at the tail end of the conveying belt. The separation method and device are simple in principle, good in yellow-mealworm separation effect and high in separation efficiency.

The invention discloses a stirring and pulverizing device for medical gypsum, which comprises a bottom plate, a recovery box and a support column are installed on the top of the bottom plate, four support columns are provided, and the same cylindrical cylinder is installed on the top of the four support columns. Mounting seat, the top of the mounting seat is provided with a first groove, the cross section of the first groove is circular, the vertical section of the first groove is isosceles trapezoidal, and the inside of the first groove is provided with a cylinder Shaped crushing tank, the top of the crushing tank is provided with an inwardly curved annular baffle, the side wall of the crushing tank is provided with ash discharge holes, and the outside of the crushing tank is provided with an annular boss, the boss of which Rolling balls are installed between the bottom and the top of the bottom plate, the bottom of the crushing tank is fixed with a first rotating shaft, and the bottom inside the first groove is equipped with an annular partition, and the inside of the partition is equipped with a first motor. The invention realizes simultaneous crushing and separation, very simple operation and high processing efficiency.

The invention discloses a separation method of dicyclohexanocucurbiturils-light and heavy rare earths. The separation method comprises the following steps: weighing dicyclohexanocucurbiturils (1,4-DiCyHQ[6]), a rare earth metal salt (Ln(NO3)3) and zinc chloride (ZnCl2) respectively according to a mole ratio of 1:(3-5):(2-4), and performing mixing in a same container; adding 3MHCl into the mixture, and performing heating and stirring under the condition that the temperature is 50-70 DEG C until the mixture is completely dissolved to obtain a settled solution; performing standing at normal temperature for 2-3 days to separate out light rare earths including La, Ce, Pr, Nd, and Sm in the form of deposits and leaving Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu in the solution; and performing filtration to separate La, Ce, Pr, Nd, and Sm from other rare earths. The separation method disclosed by the invention can be used for separating out the light rare earth Sm on the basis of separating out the light rare earths La, Ce, Pr, and Nd in the prior art, and is simple to operate and quick in separation.

The invention discloses a punching die for processing an oil storage barrel. The punching die comprises a working table (1), a standing column A (2) and a standing column B (3), wherein the standing column A (2) and the standing column B (3) are arranged on the working table (1), a semicircular groove (6) matched with the blank shape is formed in the top of a bearing table (5), the right end of the bearing table (5) extends outside the standing column B (3), a vertical hydraulic cylinder (7) is also fixedly installed on a beam (4), a piston rod of the hydraulic cylinder (7) penetrates through the beam (4), a punching head (8) is connected to the effect end of the piston rod of the hydraulic cylinder (7) and located over the semicircular groove (6), and the bearing table (5) is located between a discharging plate A (9) and a discharging plate B (10). The punching die has the advantages that separating between a product and the punching head is rapidly achieved, the processing efficiency is improved, and it is achieved that rectangular grooves are processed at different positions of a blank, the labor strength of workers is reduced, and operation is easy.

The invention relates to the technical field of benthonic animal detection, in particular to an efficient benthonic animal detection method, which comprises the following steps that a rope is elongated through a winding mechanism, and two buckets pull the rope downwards under the action of gravity and sink into a bottom mud bed; the two buckets get close to each other through an adjusting mechanism, and after the side faces of the two buckets make contact, the bottom mud and the benthonic animals are excavated into the buckets together; an output shaft of a second servo motor rotates to drive a gear to work synchronously, the gear drives a rack to move synchronously, the rack drives a sieve plate to move in two sliding rails, the sieve plate moves to the bottom of a cylinder and is used for receiving soil poured out of two buckets, bottom mud and benthonic animals on the sieve plate are washed through a spraying mechanism, and the bottom mud and benthonic animals on the sieve plate are cleaned through a cleaning mechanism, a water solution mixed with the soil is discharged from the sieve holes, and the benthonic animals are separated; and the benthonic animals are taken out and detected. According to the invention, digging and conveying of soil are facilitated, and then the convenience and stability of the soil in the digging and conveying process are improved.

The invention discloses a method for manufacturing a release steel plate for a copper-clad plate. A hot air source is adopted for heating a steel plate subjected to surface treatment, and the surface of the steel plate is kept at constant coating temperature; then a clad-pressing and rolling film manufacturing method or clad-pressing and horizontal coating film manufacturing method is adopted for coating the steel plate with a release material, and a release film is formed on the surface of the steel plate and then is curved; and then polishing cotton is used for polishing and leveling the surface of the film, and the release steel plate is obtained. The clad-pressing and rolling film manufacturing method or clad-pressing and horizontal coating film manufacturing method is adopted for coating the surface of the steel plate with release liquid, the film is formed, and the release steel plate is obtained after curing, so that the release material and the steel plate are combined, and the problems that a laid release film is prone to slide, wrinkle and be damaged, a high-temperature film melting phenomenon is prone to happen, and a release material in an aluminum-foil-based release film is prone to migrate are solved. The semi-permanent release film resisting high temperature and abrasion is formed on the surface of the steel plate, it is guaranteed that the single-face copper-clad plate or insulation plate can be smoothly and fast separated from the steel plate after hot press molding, the appearance is qualified, and full-automatic production can be achieved.

The invention relates to a method for screening respiratory syncytial virus memory B cells by a nano magnetic bead process. By adopting the specific antigen-antibody combination theory, respiratory syncytial virus antigen proteins GD and FD are coupled with nano magnetic beads, and separated human peripheral blood lymphocytes are added into the prepared nano-magnetic-bead-containing tube; and since the memory B cells for respiratory syncytial virus in the human peripheralbloodlymphocytes have IgM and IgD on the surface, the respiratory syncytial virus antigen proteins GD and FD coupled with the nano magnetic beads can be specifically combined with the IgM and IgD, thereby separating the memory B cells for respiratory syncytial virus from the human peripheralbloodlymphocytes. The method for screening respiratory syncytial virus memory B cells by nano magnetic beads is simple to operate, has the advantages of high separation speed, high efficiency and high sensitivity, is suitable for quick separation of memory B cells for any virus, and can also be used for comprehensively monitoring RSV (respiratory syncytial virus) infected persons.

The invention discloses a plastic bottle cap separating device in the plastic recycling field. The device comprises a base, a feeding mechanism and a conveying belt, the conveying belt is fixedly connected with the upper surface of the base, the conveying belt is in the horizontal state, two hydraulic rods are fixedly connected to the base, and are located on the two sides of the conveying belt, the connecting line between the hydraulic rods is perpendicular to the conveying direction of the conveying belt, the top ends of the two hydraulic rods are fixedly connected with the same pressing plate, the pressing plate is located over the conveying belt, a vertical partition board is fixedly connected to the base, the side, back onto the conveying belt, of the partition board is rotatably connected with two rollers, the rollers are sleeved with an annular belt, multiple tooth marks perpendicular to the running direction of the annular belt are arranged on the outer surface of the annular belt, the feeding mechanism comprises a guide plate and an inclined conveying pipe, the guide plate is fixedly connected with the bottom end of a feeding opening of the conveying pipe, and the low endof the conveying pipe is located at the feeding end of the conveying belt. The problem that during manual bottle cap separating, skin on the hands can be worn is solved.

The invention discloses an electrostatic chuck separation device, and relates to a mechanical device for separating an electrostatic chuck, aiming to provide the electrostatic chuck separation devicecapable of nondestructively and quickly separating the electrostatic chuck from the chuck base. The electrostatic chuck separation device comprises a guide component, a rotating component and a cutting component, wherein the rotating component is mounted above the guide component and can synchronously move along with the guide component; the cutting component is fixedly mounted; the electrostaticchuck assembly is installed above the rotating component and can synchronously rotate along with the rotating component. The cutting component can generate heat when powered on and generate heat capable of melting the adhesive layer. And when the guide part drives the rotating part to synchronously move to a certain position, the cutting component can cut the bonding layer along with simultaneousmovement and rotation of the electrostatic chuck so as to realize separation of the electrostatic chuck from an element on the electrostatic chuck assembly. The electrostatic chuck separation device is simple in structure, easy to manufacture, high in separation efficiency, wide in application range and capable of achieving lossless separation.

The invention discloses a method for treating leachate wastewater of arsenic-containing waste residue landfills and waste mines. The method comprises: 1, aerating: aerating collected arsenic-containing leachate wastewater for 1-2 h, and oxidizing a part of arsenic (III) into arsenic (V) by using air; 2, oxidizing: adding an oxidizing agent ferrate into a solution obtained in step 1 to further oxidize arsenic (III) into arsenic (V), continuously aerating for 25-45 min while oxidizing, and controlling the pH value of the system to be 4-7; 3, precipitating and separating: adding lime milk and a flocculating agent into a solution obtained in step 2, continuing aeration for 20-30 min, controlling the pH value of the system to be 9-10, performing a flocculation reaction to form large particles convenient to settle and separate, allowing the large particles and Fe<3+> subjected to strong oxidative decomposition of ferrate to form a lime-ferric salt system and a Fe(OH)3 colloid which has a good flocculation and adsorption effect and can further quickly remove arsenic in the solution, standing the precipitate for 3-6 h, separating, and discharging the obtained supernatant in a standard-reaching manner.

The invention discloses a device for separating oil from waste water of a mess hall, belonging to the field of oil and water separation processing. The device comprises a swill inlet and a dreg outlet, wherein a dreg feeding cavity is formed in the lower end of the swill inlet; a screw rod is arranged in the dreg feeding cavity and is connected with a motor; a first filtering plate is arranged at the lower end of the screw rod; an oil-water collecting groove is formed in the lower end of the first filtering plate; an oil outlet is formed in the upper end of the side wall face of the oil-water collecting groove; an inclined second filtering plate is arranged on the wall of the oil-water collecting groove on which the oil outlet is formed; a water outlet is formed in the bottom end of the oil-water collecting groove; a valve is arranged on the water outlet; an observation column connected with the oil-water collecting groove is arranged at the upper end of the water outlet; a recovering barrel is arranged at the lower end of the dreg outlet. The device disclosed by the invention has the advantages of simple structure, convenience in operation and good separation effect.

The invention discloses a device for separation of an oil-water-residue mixture and marking of waste oil. A residue collection chamber is communicated with a wastewater collection chamber through a wastewater output tube; the residue collection chamber is communicated with an oil-water mixture re-separation chamber through a first oil outlet; a waste oil collection chamber is communicated with theoil-water mixture re-separation chamber through a second oil outlet; an oil conveying tube penetrates through the second oil outlet; an oil collection bucket is arranged in the waste oil collection chamber; one end of the oil conveying tube extends into the oil collection bucket; an oil-water-residue mixture receiving funnel is arranged in the residue collection chamber; the bottom of the oil-water-residue mixture receiving funnel is connected with an oil-water input pipeline; a residue guide screening plate which is arranged in an inclined manner is arranged between the oil-water-residue mixture receiving funnel and the oil-water input pipeline; the tail part of the residue guide screening plate extends into the wastewater collection chamber; a residue collection net bag is arranged below the tail part of the residue guide screening plate. By adopting the device, the oil-water-residue mixture is subjected to solid-liquid separation by using the residue guide screening plate effectively, and secondly, oil and water can be thoroughly separated through density differences of oil and water, siphonic effect, gravitational potential energy and the like.

The invention relates to the technical field of silicon slice production equipment, in particular to an automatic silicon slice separating device, which comprises a rack, a control unit and a laser distance measuring sensor, wherein an annular support is rotatably arranged on the rack; a first drive device for driving the annular support to rotate is arranged on the rack; a plurality of first conveyor belts are distributed on the annular support along the circumference; a driven pulley is arranged on each first conveyor belt. When the automatic silicon slice separating device provided by the invention is used, the control unit controls the first drive device and a third drive device to start and stop through a detection signal of the laser distance measuring sensor, when a silicon slice is detected to be qualified, the silicon slice is output from one first conveyor belt at one side to the first conveyor belt on the other end through a second conveyor belt, and when the silicon slice is detected to be unqualified, the first conveyor belt with the silicon slice rotates to a second drive friction wheel, so that silicon slices are separated quickly through the first conveyor belts, and the work efficiency is improved.

A gas insulated switchgear includes: an enclosure; a stationary contact arm fixedly installed within the enclosure; a movable contact arm installed to be moved within the enclosure such that it is brought into contact with or separated from the stationary contact arm; a cam reciprocating between closing and opening positions to move the movable contact arm; and an actuator moving the cam, wherein the cam includes first and second cam surfaces, and when the cam moves to an opening position by the actuator, movement acceleration of the movable contact arm by the first cam surface is greater than movement acceleration by the second cam surface and a movement distance of the movable contact arm by the first cam surface is smaller than a movement distance by the second cam surface.