88results about How to "Achieve continuous separation" patented technology

The invention relates to a device and method for refining and separating formaldehyde-containing polyoxymethylene dimethyl ether, which mainly includes a separation system and a rinsing and condensation circulation system. The separation system mainly consists of reaction unit (I), deacidification device (II), first atmospheric fractionation column (III), second atmospheric fractionation column (IV), vacuum distillation column (IX), vacuum refining Distillation tower (X), dehydration device (VII); the main devices of the leaching condensation circulation system include the first rinsing absorption tower (V), the second leaching absorption tower (VI) and the eluent storage tank (Ⅷ ) and related piping components. The present invention effectively solves the problem of formaldehyde polymerization blocking the condenser and pipelines in the process of separating aldehyde-containing polyoxymethylene dimethyl ether products through the organic combination of separation and rinsing systems, and 100% recovery of formaldehyde in the separated products realizes The continuous separation process of formaldehyde-containing polyoxymethylene dimethyl ether products with DMM3-6 as the product is realized, which is energy-saving and environmentally friendly.

The present invention proposes hydrate process and apparatus for separating gas mixture continuously. The countercurrent continuous separation process in three serially connected stages is adopted to raise the CO2 recovering rate from fume, the CO2 concentration in the product and the separation rate and efficiency. Each of the separating systems consists of a hydrate synthesizer, a hydrate decomposer, a circulating pump, a heat exchanger, and a micro bubble mixing and jetting reactor. The present invention is suitable for continuous separation and enrichment of CO2 in the fume of coal burning power plant, and may be also used in the continuous separation and enrichment of gas mixture containing CO2 in chemical industry, metallurgy, petroleum and other fields.

The invention discloses an antibiotic pharmaceutical wastewater processing method and an antibiotic pharmaceutical wastewater processing device, and belongs to a wastewater processing technology. According to the invention, a porous filtering membrane is specifically arranged between an anion-exchange membrane and a cation-exchange membrane of an electrodialyzer membrane reactor, such that electrodialysis is intrinsically coupled with a membrane filtering process. Macromolecular substances such as mycelia, proteins, and colloidal are retained with a sieving effect of the porous filtering membrane, such that ion-exchange membrane surface pollution is reduced. Also, under an effect of a direct current electric field, with a selective permeability of the ion-exchange membranes upon charged ions, separation and concentration of anions and cations, and charged antibiotic ions are realized. With an adopted external direct current electric field, a specific solute can be effectively prevented from forming membrane pollution on the surface of the porous filtering membrane, such that the processing process can be safely and stably operated. With the method and the device, antibiotic wastewater processing system investment and operation cost can be greatly reduced; and salt ions and residual antibiotics can be highly efficiently recovered from pharmaceutical wastewater. The method and the device have important application values in antibiotic production and wastewater processing.

The invention discloses a method and a piece of equipment which are used for continuously separating liquid and solid of a serum-bed reactor. The contact reaction between materials and catalyst particles takes place in a serum-bed reactor, and suspension serum after the reaction is guided into a separation unit which comprises an inclined-plate settlement vessel and quickly separated into supernatant and concentrated serum in the inclined-plate settlement vessel, wherein, the concentrated serum returns to the reactor for continuing to participate in the reaction, and the supernatant flows upward into an upper part of the inclined-plate settlement vessel along gaps between the plates and is exhausted. The method provided by the invention implements the continuous separation and circular utilization of solid catalyst particles and liquid products in a smaller operation space and improves settlement efficiency. The equipment provided by the invention is applicable for separating suspension serum with smaller catalyst particles and larger liquid viscosity, occupies small space and has high separation efficiency.

In the ketone oxamidinating reaction system with water mutually soluble low-carbon alcohol of 30-50 wt% concentration and excessive ammonia water content, the material including titania-silica molecular sieve is deposited at 60-85 deg.c in deposition rate of 0.5-3 cm/min for at least 10 min. The present invention can realize the continuous separation of titania-silica molecular sieve from reaction liquid and is suitable for cyclohexanone oxamidinating reaction system with titania-silica molecular sieve catalyst of 0.1-0.3 micron size.

The invention discloses a multi-baffle type oil-and-water separator. The separator comprises a tank body, a first baffle, a second baffle and an oblique baffle, wherein the interior space of the tank body is divided into a subcritical flow defoaming area, a settling separation area and a water collection area by the first baffle and the second baffle; a feed port is formed in the subcritical flow defoaming area; a subcritical flow defoaming structure is arranged below the feed port; an air outlet is formed in the settling separation area; a bottom plate is arranged at the bottom of the first battle; a separation plate is arranged at the end part of the bottom plate; clearances are respectively reserved between the first baffle and the bottom surface of the tank body, the second baffle and the top surface of the tank body, the second baffle and the bottom surface of the tank body, the separation plate and the second baffle, the separation plate and the top of the tank body, and the oblique baffle and the second baffle; the space defined by the bottom plate, the separation plate, the first baffle and the tank body forms an oil collecting tank; an oil outlet is formed in the oil collecting tank; a water outlet and a discharge port are both formed at the upper part inside the water collecting area; the discharge port is higher than the water outlet; a sewage draining port is formed in the lower part of the water collecting area. The oil-and-water separator is simple in structure and low in operation cost, can effectively restrain emulsion and realize continuous oil-and-water separation and is high in separation efficiency and good in separation effect.

The invention discloses a crushing and recycling device for construction waste. The crushing and recycling device for the construction waste comprises a crushing box and a recycling box, a plurality of crushing mechanisms are arranged in the crushing box from top to bottom, the crushing box communicates with the recycling box, a conveying device is arranged in the recycling box, a water tank and ametal collecting box are arranged at the lower end of the conveying device, and a scraping device is arranged on the metal collecting box. According to the crushing and recycling device for the construction waste, by arranging the recycling box, the construction waste crushed by the plurality of crushing mechanisms is guided into the conveying device, in cooperation with a permanent magnet arranged in the middle of the conveying device, separation of concrete and metal is achieved, through the scraping device arranged at the tail end of the conveying device, the metal on a conveying belt is guided into the metal collecting box, recycling and utilizing of the metal is achieved, meanwhile, through a high-pressure spray head arranged at the top of the recycling box, cleaning is carried out on screen holes in the conveying belt, and the screen holes are prevented from being blocked by the concrete, so that continuous separation of the crushed construction waste through the conveying device is achieved.

The invention relates to a tubular continuous liquid-liquid extraction device and an operation method thereof. The tubular continuous liquid-liquid extraction device comprises continuous tubular extractors (1) and (4) and continuous extract phase and raffinate separators (2) and (5). The operation method comprises the following steps: mixing and extracting a flowing to-be-separated solution and a flowing extraction agent in the first-level tubular exactor (1); separating the extract phase from the raffinate of the material from the first-level tubular exactor (1) in the first-level extract phase and raffinate separator (2), feeding the extract phase into an extract phase storage tank (3) and mixing and extracting the flowing raffinate and another flowing extraction agent in the second-level tubular exactor (4); and separating the extract phase from the raffinate of the material from the second-level tubular exactor (4) in the second-level extract phase and raffinate separator (5) for the second time, feeding the raffinate into a raffinate storage tank (6) and returning the extract phase to the first-level tubular exactor (1). The tubular continuous liquid-liquid extraction device has the advantages of simple structure, less investment, high operating flexibility, low running cost and high extraction and separation efficiency.

The invention relates to a separation method for solid particles in catalytic slurry oil and belongs to the technical field of petrochemical complex. Special assistant is added into the high-solid-content catalytic slurry oil and is stirred and mixed reasonably; and then solid-liquid separation equipment is adopted to conduct separation effectively, so as to obtain lower-ash-content and good-quality catalytic slurry oil. The invention has the advantages that the process and the equipment are simple, the operation is easy, the production is continuous, and the solid-liquid separation is complete, so as to obtain the lower-ash-content and good-quality catalytic slurry oil and broaden the application range of the lower-ash-content and good-quality catalytic slurry oil.

The invention relates to a device for separating egg white of eggs, belongs to the field of separators, and particularly discloses an egg white separator, which comprises a first passage and a second passage, wherein the first and second passages are superposed, and are communicated through a gap; egg white in the first passage enters the second passage through the gap under the action of gravity. The gap is formed to implement separation of the egg white and reserve egg yolk in the first passage; by the structure, the egg white can be continuously separated, and multiple eggs can be placed on the first passage, so that the separation efficiency is improved; in addition, after the separator is inclined, the egg white can flow, thereby achieving an effect of continuous separation; the separator is simple in structure, convenient to use and applicable to batch separation, and can be conveniently used for individuals and families, the separation effectiveness is improved, rapid separation can be implemented, and the separation effect can be improved.

The invention discloses a dry discharging device for tailings of a circular pipe through multiple force fields and a use method. The device comprises a drum (1), wherein a spiral separating mechanism (3) is arranged in the drum (1); one end of the spiral separating mechanism (3) is connected with a driving mechanism; the spiral separating mechanism (3) comprises a suction filtration pipe (4); air vents (5) are distributed on the suction filtration pipe (4); a filter screen (6) and a filter element frame (7) are successively arranged outward along the radial direction of the suction filtration pipe (4); and spiral blades (8) are distributed on the filter element frame (7). The dry discharging device has the characteristics of high separating efficiency, simple structure and process, low failure rate, low maintenance cost and equipment cost and good solid-liquid separating effect.

The invention discloses a device and a method of continuously separating solid-liquid phases in a caprolactam distilled heavy residual liquid. The device comprises a settler. A feed inlet is formed in one side of the settler while an overflow port is formed in the other side, and a slagging port is formed in bottom; the overflow port is connected to a clear liquor middle tank, and the slagging port is connected to a residual clear liquor tank; and the clear liquor middle tank is connected to a caprolactam step through a pipeline and a pump, and the clear liquor middle tank is connected to a caprolactam process water pipeline. By using caprolactam process water to clean and dilute the clear liquor and residues, continuous separation of caprolactam and low polymers in the caprolactam distilled heavy residual liquid and cyclic utilization of the caprolactam process water are realized.

The invention discloses a horizontal spiral settling centrifugal separation device of biological enzyme extracting solutions. The device comprises an adjusting solution tank arranged in the front, and the adjusting solution tank is provided with a feed port, a water inlet, a stirring device, a filtering net, a slag discharging port and a discharge port, wherein the feed port is formed in the front section of the adjusting solution tank, the water inlet is formed in the upper part of the adjusting solution tank, the stirring device is arranged on one side of a feed port of the filtering net, the filtering net is arranged to be inclined to the discharge port, and an acute angle of 70-80 degrees is formed between the filtering net and the bottom of the adjusting solution tank; and the adjusting solution tank is sequentially connected to a screw pump, a throttling valve and a feed port of a horizontal spiral settling centrifugal machine through a connecting pipe. According to the device, the solid-liquid concentration of the separated extracting solutions can reach 40-60%, slag removal is smooth and unblocked, separating solutions are clear, machine washing is not needed in the whole process, the halt operation is reduced, the problems that the horizontal spiral settling centrifugal machine cannot separate high-solid concentration solutions and halting and cleaning are needed because slag cannot be smoothly pushed are solved, and high-concentration continuous solid-liquid separation production is realized.

The invention discloses an injection type rotational flow continuous separator, relates to a rotational flow continuous separator and solves the problems that an existing rotational flow continuous separator adopts reflux waste water to inject dirty sundries, so that the water consumption is large, water cannot be taken on the spot, a pipeline is overlong, and the consumption of pipe materials is too high. The lower end of a cylinder is mutually communicated with the large end of a cone barrel, a waste water inlet pipe is tangentially arranged on the outer side wall of the cylinder, the waste water inlet pipe is communicated with the upper part of the cylinder, and an overflow pipe is vertically arranged on the axis of the cylinder; a mixing chamber, a throat part, a diffuser pipe and a mixed water outlet pipe are successively arranged in the direction of the axis in an inclined manner from top to bottom, and the mixing chamber, the throat part, the diffuser pipe and the mixed water outlet pipe are successively communicated; the lower end of the cone barrel is communicated with the mixing chamber through a blowdown pipe, a spray nozzle is arranged at the upper end of the mixing chamber, the inner diameter of the mixing chamber is arranged in an gradual constriction manner from top to bottom, the inner diameter of the diffuser pipe is arranged in an gradual extension manner from top to bottom, and a waste water outlet pipe is communicated with the lower end of the mixed water outlet pipe. The injection type rotational flow continuous separator disclosed by the invention is used for treating urban original waste water.

The invention discloses a continuous separation device for oil and water in pyrolysis gas. The continuous separation device comprises a shell-and-tube heat exchanger, a spraying device and a centrifugal separation device which are connected in sequence, wherein the shell-and-tube heat exchanger is provided with an inner-layer tube and a shell; the inner-layer tube is provided with a pyrolysis gasinlet and a pyrolysis gas outlet; the shell is provided with a cooling medium inlet and a cooling medium outlet; the sprinkling device is connected with the pyrolysis gas outlet; the spraying device is provided with a condensing device, a pyrolysis gas purifying outlet and an oil outlet; the pyrolysis gas can be upwards discharged through the pyrolysis gas purifying outlet after passing through the condensing device; a liquid matter generated after condensation of the pyrolysis gas can downwards flow in the centrifugal separation device through the oil outlet; the centrifugal separation deviceis provided with a centrifugal shell, a rotor, a pyroligneous liquid outlet and a tar outlet; the rotor drives the centrifugal shell to rotate; the inner side of the upper end of the centrifugal shell is connected with the pyroligneous liquid outlet, and the outer side is connected with the tar outlet. According to the continuous separation device disclosed by the invention, continuous separationon tar and pyroligneous liquid in the pyrolysis gas can be realized by adopting a physical method, high-temperature pyrolysis is not required, and the requirements on the technology are reduced.

The invention relates to a green production method for continuously preparing nitrominocycline. The preparation method comprises the following steps of: feeding minocycline, sodium nitrite and sulfuric acid into a reaction kettle for reaction; then feeding the reaction liquid into the top of a turntable extraction tower from the bottom of the reaction kettle, at the same time, feeding an ethyl acetate solution of organic amine from the bottom of the turntable extraction tower for countercurrent extraction; and adjusting the rotating speed of a turntable in the turntable extraction tower to mixthe two phases, discharging the reaction liquid from the bottom of the turntable extraction tower, discharging the extracted ethyl acetate phase from the top of the turntable extraction tower, concentrating the ethyl acetate phase under reduced pressure, and performing cooling, crystallizing and filtering to obtain the nitrominocycline. The continuous production process of nitration reaction of minocycline and sodium nitrite and separation of nitro minocycline is achieved by adopting the reaction kettle coupled with the turntable tower, so that the reaction product can be timely and continuously separated from the reaction system, low-energy-consumption, simple, rapid and continuous production is achieved, and the yield of the obtained reaction product nitrominocycline is greater than 90%.

The invention belongs to the technical field of catalyst particle separation and recovery and discloses a magnetic separation device. The magnetic separation device comprises a separation chamber, circular tubes and magnets, wherein the separation chamber is internally provided with two separation cavities, the separation cavities are provided with material liquid inlets and a magnetic particle recovery mouth, the circular tubes are arranged on the tops of the separation cavities in a sealed manner, and the magnets are located inside the corresponding circular tubes and capable of moving up and down in the axial direction of the corresponding circular tubes. According to the magnetic separation device, by means of the arrangements of the circular tubes inside the separation cavities and the magnets moving up and down inside the corresponding circular tubes, separation of magnetic particle catalyst can be realized, and by means of the arrangements of the two separation cavities, the continuous separation of the magnetic particle catalyst can be realized, and the separation efficiency is improved.