33results about How to "Meet the requirements for separation" patented technology

The present invention relates to a kind of magnetic separating column and its application in separating biological samples. The magnetic separating column has structure comprising a material holding section, a filler column, a discharge port and a pushing plug. The filler column is filled with small magnetic soft iron balls of sizes 0.01-0.1mm, 0.1-0.2mm and 0.2-1mm separately. During separation, the sample fed through the inlet in the upper end is made to flow through the filler column and the discharge port under the gravity action, and the pushing plug applies pressure to push out the blocked sample. Under the action of outer magnetic field, the magnetic separating column can generate high gradient magnetic field for effective fast separation of various kinds of cells, subcellular matters, bacteria, viruses, nucleic acids, proteins and other biological samples.

The invention relates to a method for treating heavy emulsified oil in wastewater. The method is characterized in that a treatment device is formed by a lower bubble section and an upper foam section, wherein the lower bubble section of the treatment device is an airlift inner-circulation reactor, and the upper foam section of the treatment device is an overflow box type gas-liquid separator; thepH value of the wastewater is regulated to 8-9, and the wastewater is introduced into the bubble section; air is introduced to a tower bottom, and flocculating agents and a surface active agent are added, wherein the amount of an inorganic flocculating agent is 0.02-0.1mmol/g COD (chemical oxygen demand), the amount of a polymer flocculating agent is 10-50mg/m<3> wastewater, and the amount of an anion surface active agent is 5-20mg/g COD and is not less than 15-20mg/m<3> wastewater; the emulsified oil is separated from the wastewater through collecting foam; the gas speed of an empty tower ismaintained at 0.5-1.5cm/s; the separation efficiency is high: the primary separation rate can reach above 90%; the process is simple: solid suspended matters in the wastewater are removed once; the energy consumption and the reagent consumption are low: the amount of the flocculating agents is low; and the process flow is short.

The invention relates to a novel filtering separator which is characterized in that the separator is a cylinder provided with a sealing plug and comprises a suction filter located at the bottom of the cylinder and a pipe penetrating through the sealing plug, and the suction filter comprises a funnel and a filtering medium.By means of the novel filtering separator, the problem that filtrate is contaminated, or retained in the pipe or is lost is avoided, the requirement for separating trace of a solid liquid mixture is also met, waste heat can be effectively utilized to conduct heat preservation on filtrate, and thus the problem that solute is precipitated due to drop of temperature is avoided.

The invention relates to a kind of magnetic sorting material and its preparation method and supplication. The material includes by weight 99.0-99.8% Fe, 0-0.04% C and some impurity. The product coercive force is 30-150A/m and the maximum magnetic conductivity is between 4000 and 9000. The invention supplies a method of processing the magnetic material into uniform pellets. The pellet possesses the magnetic character of high magnetic conductivity, low coercive force and low magnetism left and so on. The invention relates to the supplication of processing the magnetic sorting material into the magnetic sorting pellet. The pellet and the magnetic particle marked by the biologic molecular compose the magnetic sorting system. It can sort all kinds of biologic samples, such as cell, subcellular substance, bacterium, virus, nucleic acid, protein and so on.

The invention discloses a method for simultaneously determining 4-amino-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione and related substances thereof. According to the method, the 4-amino-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione and the related substances thereof are separated through high performance liquid chromatography, wherein a chromatographic column is bonded by octadecyl silica gel; a mobile phase is a methanol:acetic acid aqueous solution. The flow velocity in the high performance liquid chromatography is 0.5 to 1.2ml/min. The detection wavelength in the high performance liquid chromatography is 226nm. The method is simple, convenient and practical, can be used for quickly achieving the aims of simultaneously determining and separating the 4-amino-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione and the related substances thereof, can be applied to determination of molecular weights of unknown impurities through liquid chromatography-mass spectrometry (LC-MS), provides a reliable basis for structure inference of the unknown impurities, and facilitates quality control of raw materials and preparations of the 4-amino-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione.

The invention relates to a fine silt ground separation and discharge device for separating and discharging silt in a gas well. By using the device, the problems of abrasion, ablation, blocking and the like of collecting and conveying equipment caused by difficulty in separation of natural gas containing fine silt are solved. The technical scheme is as follows: a flocculant pool is connected with a centrifugal pump through a pipeline; a filter is installed in a sedimentation pool and connected with the centrifugal pump through a pipeline; a sedimentation liquid inlet is located at the left side of the sedimentation pool and connected with the bottom of an effusion storage tank; the outlet of the centrifugal pump is connected to a nozzle pipeline allocated on the upper part of a separator; the exterior of the separator is provided with a metal shell, the lower end of the inner cavity of the separator is provided with a sedimentation region, a turbulence ball group is arranged above the sedimentation region, two groups of nozzles are arranged above the inner cavity, and a fog capturing device is arranged above the nozzles; and the right side of the separator is provided with a liquidlevel alarming device, the lower end of the separator is provided with a raw material gas inlet, the top of the separator is provided with a purified gas outlet, the bottom of the separator is provided with a silt-containing deposit liquid outlet, and the lower part of the separator is provided with a reserve washing liquid inlet. The device has high fine silt separation efficiency and small energy consumption, and can be used for ground separation treatment of wet natural gas and dry gas.

The invention relates to a pseudo-ginseng seed and seedling separation device and a pseudo-ginseng seed and seedling separation method, and belongs to the technical field of agricultural machinery. The pseudo-ginseng seed and seedling separation device comprises a machine frame I, a motor I, a chain, a chain wheel, a separated rotor, a vertical pedestal bearing, a separated roller front end cover, a bracket, a motor II, a belt, a belt wheel, a feeding rotor, a rhombic pedestal bearing, a machine frame II, a feeding box, an opening/closing sheet, a separated roller, a spike tooth I, a spike tooth II, a separated roller back end cylinder and an output port; the motors and the separated roller are fixed on the machine frame I through bolts; the feeding box is fixed on the machine frame II through a bolt; the motor I drives the separated rotor through the chain to rotate; the motor II drives the feeding rotor through the belt to rotate to realize ordered feeding; the opening/closing sheet is clamped on the feeding box; and the number of the seeds and the seedlings at the feeding position is adjusted by adjusting the opening/closing degree of the opening/closing sheet. According to the device and the method, ordered separation of the pseudo-ginseng seeds and seedlings is realized, the seeds and the seedlings can be separated from the stacking state to the ordered and discrete state, and ordered and discrete seeds and seedlings are provided for the subsequent planting link of a pseudo-ginseng transplanter.

The invention discloses a shipborne alga-water separation and tail water treatment device which comprises a dirt sucking pump, a rotational flow separator, a sand collection tank, a hydraulic vibration screen, an extrusion spiral lifting machine, an alga mud collection tank, a settling tank and a clean water tank which are all arranged on the deck of an operation ship. Alga-water separation and tail water treatment are implemented by using a physical method; by using a graded separation method, and based on the rotational flow separator, the hydraulic driving eccentric vibration device with adjustable frequencies and amplitudes, and the settling tank, large-granularity slit, algae and fine-granularity slit can be respectively separated; and the hydraulic vibration screen with adjustable frequencies and amplitudes has good working adaptability to alga-slit mixtures of different concentrations and contents. The device is environment-friendly in alga-water separation and tail water treatment process, meets requirements of ecological alga-water separation, has the advantages of being high in operation efficiency, environment-friendly and energy-saving and safe and reliable, prevents secondary pollution caused by chemical flocculant s on water quality and has great significances for ensuring canal water quality and water conveying security.

The invention discloses a pneumatic type vibrating screen which comprises a fixed support and a screen body. The screen body is connected to the support in a sliding mode, a horizontal rack is connected to the support in a sliding mode through two guide bearings, and one end of the rack is fixedly connected with a piston rod of an air cylinder; the support is further provided with a gear meshed with the rack and the gear is connected with the screen body through a connecting rod; a reset spring is connected to the middle section of the connecting rod and fixed to the support through a spring seat. Due to the fact that the air cylinder serves as a power source for screen body vibration, a traditional structure that an eccentric wheel is driven by a motor is changed and after the structure is optimized, the pneumatic type vibrating screen has the advantages of being simple in structure and low in manufacturing cost. In addition, the stretching and retraction amplitude of the air cylinder can be adjusted according to the actual requirements so that the vibration amplitude of the screen body can be directly adjusted and different screening modes can be selected according to different materials to be screened.

The invention relates to the technical field of nuclear reactor engineering, and provides a driving shaft and a control rod water pressure driving system. The driving shaft comprises an outer shaft, ashaft core and a connecting device, the outer shaft comprises a clamping groove section, the shaft core is arranged in the outer shaft, and the shaft core is suitable for moving in the axial direction of the outer shaft; the connecting device comprises a connecting piece connected to the lower end of the outer shaft and a moving piece connected to the lower end of the shaft core, a plurality of clamping pieces are connected to the connecting piece, and the shaft core drives the moving piece to move along the outer shaft so as to drive the multiple clamping pieces to be switched between a mutually-tightened clamping position and a mutually-away opening position. According to the driving shaft and the control rod water pressure driving system, the outer shaft, the shaft core and the connecting device are arranged, the connecting device can be driven to act through movement of the shaft core, the connecting device and a control rod can be disassembled and assembled, the requirements forlong-distance butt joint and long-distance disassembly and assembly of the control rod and the driving shaft in the reactor refueling state are met, and technical support is provided for refueling operation of a reactor.

The invention discloses a multifunctional nursing supporting device. The device comprises a base, a stand column, a machine box base, a connecting rod base, a connecting rod sliding groove, a joint rotating shaft, a machine box, a leg separating rack, a leg separating gear, a leg lifting gear, a leg lifting rack, a worm, a worm gear, a hand wheel, a connecting block, a first connecting rod, a second connecting rod, a thigh joint, a shank joint, a sliding groove, a long connecting rod and a lifting rod, wherein a left front side of the base is fixedly connected with the machine box base, an upper part of the connecting rod seat is provided with a seat; a lower part of the seat is fixedly connected with a base; an upper part of the case seat is fixedly connected with a case; an upper part ofthe case is fixedly connected with a case cover; the worm shaft is rotationally connected with the turbine shaft hole and rotates in the turbine shaft hole, and a center hole is formed in the middleof the worm and rotationally connected with the center shaft.

The invention discloses a device for separating and conveying fresh tea leaves and belongs to the technical field of agricultural and forestry machinery. The device comprises two parts, namely a separating unit and a conveying unit, wherein the separating unit comprises a direct memory access (DMA) electromagnetic vibration feeder; and the conveying unit comprises a conveyor, a frequency converter and a programmable logic controller (PLC). A certain amount of fresh tea leaves are weighed and put in the vibration feeder 1, are separated through vibration and drops into the conveyor 2; the conveyor 2 is driven by a three-phase asynchronous motor; and in order to change and control the speed of the conveyor, the frequency converter 4, the PLC 5 and a feeder support frame 8 are arranged. The device for separating and conveying the fresh tea leaves has the characteristics that a plurality of arc striker plates are arranged in a feeding groove of the DMA electromagnetic vibration feeder, and in the vibration process of the DMA electromagnetic vibration feeder, the fresh tea leaves can be effectively separated and have less possibility of being blocked at the discharging hole.

An optical fiber separation device, comprising a guide roller set, a separation roller set, a PLC control device, and a tension detection roller, the guide roller set includes a first guide roller set and a second guide roller set, wherein the first guide roller set After the separating roller group, the second guiding roller group is arranged behind the first guiding roller group, and the tension detection roller is arranged between the first guiding roller group and the second guiding roller group Between, a tension detection roller is arranged between the first guide roller group and the separation roller group, and a vibration finishing device is arranged between the separation roller group. The present invention can detect the tension in the separation process of the optical fiber bundle in real time, and feed back to the PLC control device, so as to adjust the tension by controlling the linear speed of the guide motor of the guide roller group, so that the optical fiber bundle can reach the best seperate effect.

The invention discloses a plastic particle metal separator which comprises a metal detection channel; a feeding hopper is arranged above the metal detection channel, a discharging channel is formed under the metal detection channel, an eliminating channel is formed in one side of the discharging channel, a metal detector is arranged in the metal detection channel, and an automatic eliminating mechanism is arranged between the discharging channel and the eliminating channel; a fine eliminating mechanism comprises a slow-down device arranged on the eliminating channel and used for reducing the vertical speed of a material into zero and is also arranged in the eliminating channel; a fine eliminating channel is formed under the slow-down device, a second metal detector is arranged on the fine eliminating channel, a directional eliminating mechanism is arranged under the second metal detector, and an eliminating outlet formed in one side of the directional eliminating mechanism is formed in the eliminating channel; the directional eliminating mechanism comprises eliminating air cylinders arranged in the eliminating channel from top to bottom in parallel, and a push plate used for pushing plastic particles containing metals to the eliminating outlet is arranged on a piston rod of each of the eliminating air cylinders.

The invention discloses a sound field reinforced coalescence separation system which comprises an oil remover, the upstream detection device is connected with an upstream pipeline of the degreaser and is used for detecting the quantity and the particle size of liquid drops carried by gas in the upstream pipeline; the upstream sound wave generation device is connected with the upstream detection device and is used for adjusting sound waves according to the number and the particle size of the liquid drops so as to coalesce the liquid drops in the upstream pipeline; and the pre-separator is connected with the inlet of the oil remover and is used for intercepting the coalesced liquid drops to realize gas-liquid separation. The sound field enhanced coalescence separation system can greatly reduce the liquid concentration of the gas entering the degreaser, and especially when the liquid content or the particle size range in the incoming flow gas of the upstream pipeline is obviously increased in the gas storage ground gas injection process, the liquid removal effect is more obvious. Therefore, the liquid drops carried in the gas can be efficiently separated, so that the requirement of gas-liquid separation can be met.

The invention discloses a magnetization sedimentation tank for sewage purification. The magnetization sedimentation tank comprises a closed box body (1); a dosing mixing bin (2) is arranged at the lower part of the box body (1); the dosing mixing bin (2) is connected with an electromagnetic reaction bin (4); an electromagnetic reaction bin (5) is connected with a chemical reaction bin (7); the lower part of the chemical reaction bin (7) is connected with a sewage distributor (8) and a sewage diverter (9); an inverted conical sludge settling chamber (10) is arranged below the sewage diverter (9); the lower end of a sludge outlet pipe (11) is arranged at the bottom of the sludge settling chamber (10), and the upper end of the sludge outlet pipe (11) is connected with a sludge discharge port(12) in the upper part of the box body (1); the side wall of the box body (1) is connected with a circle of overflow groove (13); the overflow groove (13) is connected with a clear water port (14) onthe side wall of the box body (1). The magnetization sedimentation tank has the advantages of integrating multiple functions, saving land occupied area and investment cost, and being simple, efficient, higher in settling speed, better in treatment effect and smoother in sludge discharge.

The invention relates to the technical field of refining process optimization in grain and oil industry, in particular to a method for optimizing soybean oil refining production. The method has obvious effects on reducing soap content of neutral oil and increasing refining rate. The method comprises the steps: crude oil in a crude oil storage tank is subjected to heat exchange, the crude oil is heated to 70-75 DEG C, phosphoric acid with the concentration of 75-85% is added at an adding amount of 0.008-0.015%; then the crude oil is conveyed into an acid delay tank, and delayed stirring is conducted for 40-60 min. Traditional thinking is broken through, a single washing mode is changed, two times of water washing soap removing are adopted, the soap content of neutral oil is effectively reduced; the method can solve the problem of oil leakage caused by instability of soap contained in the neutralized oil, stabilize the quality of finished oil products, ensure the continuity and stabilityof production, completely recycle the washing water, recover the residual oil in washing water, and practically enhance the refining rate and lower the production cost, so that the above technical problems are solved.