361results about "Separation with moving sorbents" patented technology

The invention relates to the technical field of polymer purification, and particularly discloses a purification industrial control system for carbon dioxide-based polyols, in the removal process of phenolic compounds in the carbon dioxide-based polyols, the removal rates of the phenolic compounds are detected at two different moments respectively, and the removal rate of the phenolic compounds in the carbon dioxide-based polyols is calculated. Meanwhile, a data processing technology based on deep learning is used for conducting fine-grained local time domain interaction analysis on the stirring speed and the stirring temperature between the two time points to reveal the combined effect of the stirring speed and the stirring temperature on the removal efficiency of the phenolic compounds, removal measurement is conducted based on the combined effect, an effective removal measurement coefficient is generated, and the removal efficiency of the phenolic compounds is improved. And intelligently estimating the still required stirring duration by combining the removal rate change between the two time points. Through the mode, the reaction endpoint can be predicted in advance, and incomplete reaction or excessive reaction can be effectively avoided, so that the purification efficiency and the product quality are improved, and the automation level of industrial production is improved.

The invention relates to the technical field of abalone peptide production, and discloses extraction equipment for extracting natural taurine from sea cucumbers, which solves the problems of function splitting, pollution transfer and low efficiency in the traditional process by integrating three functional modules of countercurrent stirring, in-situ filtration and rotary elution. A reverse stirring part forms shear convection through stirring blades rotating in two directions and a stirring plate, and sea cucumber tissue breaking is accelerated; a dynamic adjusting and filtering mechanism is adopted in the filtering part, filtering modes are switched after stirring, and in-situ separation of the extracting solution and the raw materials is achieved; the elution part drives the cationic resin to be in forced contact with an extracting solution through rotation, and the adsorption efficiency is improved by combining through-channel type resin distribution. The three components cooperatively operate in a single tank, and traditional crushing, extracting, separating and eluting multi-step processes are integrated into a continuous flow. The method has the advantages that the extraction efficiency is improved, the taurine purity is improved, and meanwhile, the material transfer loss and the pollution risk are reduced.

The invention relates to the field of ginsenoside extraction, in particular to a device and method for removing a plasticizer in a ginsenoside extract, and the device comprises a roll-over stand, a removal cabin and the like. According to the equipment and the method for removing the plasticizer in the ginsenoside extract, the filtering assembly and the adsorption resin blocks are distributed in the removal cabin in the vertical direction, so that fine filtering treatment and adsorption removal treatment of a ginsenoside extract solution are completed in sequence; and in addition, the filter assembly and the plurality of adsorption resin blocks can be subjected to backwashing treatment in a mutually separated state, so that the overall treatment process steps of the backwashing treatment work are reduced on the basis of ensuring that efficient backwashing treatment is synchronously performed on the filter assembly and all the adsorption resin blocks. The defects that multiple treatment devices need to be used in multiple filtering treatment and ion adsorption treatment processes of the ginsenoside extract solution, the plasticizer removal treatment efficiency is affected, and the plasticizer removal treatment period is delayed are overcome.

The invention relates to the technical field of production of electronic chemicals, and discloses an electronic grade sulfuric acid deep impurity removal production process based on dynamic cycle adsorption, which comprises the following steps: preparing an adsorbent, providing mesoporous silica gel loaded with dithizone-phosphonic acid difunctional groups as the adsorbent, the pore size of the mesoporous silica gel being 10-50nm, and the specific surface area being greater than 500m / g; the method comprises the following steps: constructing a system, namely establishing a double-adsorption-column dynamic circulating system, dividing the interior of an adsorption column into a saturated region, a mass transfer region and an unpolluted region, and controlling an electronic-grade sulfuric acid solution to continuously flow at a constant flow speed at 30-45 DEG C through a programmable logic controller (PLC); and adsorption operation. According to the invention, the dithizone-phosphonic acid bifunctional group accurately captures metal cation impurities in electronic-grade sulfuric acid through the strong coordination ability of sulfur atoms and transition metal ions, and a double-site synergistic adsorption mechanism is formed.

Provided is a technique for improving the efficiency of adsorption of a protein onto a carrier in an apparatus equipped with an in-line mixer and a hydrocyclone. An adsorption method disclosed herein is performed using an apparatus equipped with an in-line mixer and a hydrocyclone connected to the in-line mixer. The adsorption method is a method in which a protein is adsorbed onto a carrier provided with a ligand capable of binding to the protein. The adsorption method includes: mixing a first slurry containing a carrier with a second slurry containing a protein using an in-line mixer to prepare a mixed slurry; and adsorbing the protein onto the carrier in the mixed slurry to produce a complex between the protein and the carrier. The mixed slurry is prepared so as to contain the carrier in an amount of 10-25 vol% and the protein in an amount of 5-20 mg per 1 ml of the carrier when the whole amount of the mixed slurry is 100 vol%. The mixing time in the inline mixer is 0.6-60 seconds.

The invention discloses a high-purity dimethyl sulfoxide refining and purifying integrated device which comprises a pretreatment mechanism, a rectification mechanism and a waste gas treatment mechanism, the pretreatment mechanism comprises a sieving box and a mixing box, a molecular sieve is installed in the sieving box, a mixing assembly is installed on the mixing box, a feeding pipe is arranged on the sieving box, and a discharging pipe is arranged on the mixing box. The sieving box and the mixing box are connected through a first connecting pipe, the rectification mechanism comprises a rectification tower, a condenser and a separator, the mixing box and the rectification tower are connected through a material conveying pipe, a water pump is installed on the material conveying pipe, the waste gas treatment mechanism comprises a first filter box and a second filter box, and the first filter box and the second filter box are connected through a pipeline. An exhaust assembly is arranged between the first filter box and the second filter box; when the dimethyl sulfoxide is refined and purified, the pretreatment mechanism plays a key role, so that the purity of the dimethyl sulfoxide is further increased, and the rigorous requirements of the high-end field on the quality of the dimethyl sulfoxide are met.

To provide a technique for improving the efficiency of adsorption of a protein onto a carrier in an apparatus equipped with an in-line mixer and a hydrocyclone.SOLUTION: An adsorption method disclosed herein is performed using an apparatus equipped with an in-line mixer and a hydrocyclone connected to the in-line mixer. The adsorption method is a method in which a protein is adsorbed onto a carrier provided with a ligand capable of binding to the protein. The adsorption method includes: mixing a first slurry containing a carrier with a second slurry containing a protein using an in-line mixer; and adsorbing the protein onto the carrier in the mixed slurry to produce a complex between the protein and the carrier. The mixed slurry is prepared so as to contain the carrier in an amount of 10-25 vol.% and the protein in an amount of 5-20 mg per ml of the carrier when the total amount of the mixed slurry is 100 vol%. The mixing time in the inline mixer is 0.6-60 seconds.SELECTED DRAWING: None

The utility model discloses a resin adsorption device, which comprises a resin stirring cylinder and an operation rack, and is characterized in that the operation rack is arranged on one side of the resin stirring cylinder, a bearing fixing part is arranged on the surface of the front end of the operation rack, a stirring main shaft is arranged in the bearing fixing part and extends into the resin stirring cylinder, and the resin stirring cylinder is arranged on the operation rack. Scattering blades are connected to the side surface of the stirring main shaft through stirring fulcrum shafts, a heating interlayer structure is arranged in the resin stirring machine barrel, an electric heating pipeline is installed in the heating interlayer structure, and a detachable structure is arranged between the electric heating pipeline and the heating interlayer structure. According to the stirring device for resin processing, which is convenient to drive and control, and the scattering blades distributed in a crotch shape are arranged, so that resin particles and reaction raw materials can be fully scattered and mixed, and the fully mixed resin raw materials can be heated by utilizing the electric heating control mechanism; therefore, the adsorption efficiency of the resin particles can be improved.

The utility model belongs to the technical field of decolorizing devices, and particularly relates to a decolorizing device for extracting oyster peptide, which comprises a decolorizing tank, four support legs distributed in an annular array are fixedly connected to the surface of the decolorizing tank, a controller is arranged on the front side of the decolorizing tank, a liquid inlet pipe is fixedly connected to the left side of the decolorizing tank, and a liquid outlet pipe is fixedly connected to the right side of the decolorizing tank. A liquid outlet pipe is fixedly connected to the right side of the decolorizing tank, activated carbon particles are arranged in the decolorizing tank, an oscillation mechanism is arranged in the decolorizing tank, an air outlet pipe is fixedly connected to the upper end of the decolorizing tank, and a first fixing disc is fixedly connected to the inner wall of the air outlet pipe. The motor drives the cam to rotate, the pressed part can be continuously extruded, the telescopic rod can drive the oscillating part to move back and forth in cooperation with the deformation effect of the first spring, the oyster peptide solution and activated carbon particles are continuously oscillated, and then the decolorization effect of the oyster peptide solution is improved.

The invention relates to the technical field of nickel metal preparation, and particularly discloses an electrolytic nickel purification and impurity removal reactor which comprises a reaction precipitation unit and a resin adsorption unit, the reaction precipitation unit comprises a reaction tank, a stirring ventilation mechanism is rotationally arranged in the reaction tank, and an adjusting liquid dropwise adding assembly is arranged above the stirring ventilation mechanism; a conveying belt parallel to the bottom wall of the reaction tank and a driving roller for driving the conveying belt are arranged below the stirring ventilation mechanism, a plurality of scrapers are arranged on the outer surface of the conveying belt, and the scrapers below the conveying belt are in contact with the bottom wall of the reaction tank; an impurity collecting tank extending downwards is arranged on one side of the lower end of the reaction tank, and a tank sealing plate is movably arranged at an opening in the upper end of the impurity collecting tank; according to the electrolytic nickel purification and impurity removal reactor disclosed by the invention, different sediments can be discharged and collected in batches, so that various different sediments can be effectively separated, and the condition that an outlet is blocked due to the fact that all the sediments are intensively discharged at a time is avoided.

The utility model discloses a decoloring reaction kettle convenient for discharging, and relates to the field of liquid decoloring treatment. A decolorizing reaction kettle convenient for discharging comprises a heating tank and a cover plate covering the heating tank, and further comprises a driving part arranged on the outer wall of the heating tank and used for driving the cover plate to move longitudinally; the rotating shaft is rotationally connected into the heating tank and is connected to the cover plate in a lifting manner; the shifting rods are fixedly connected to the rotating shaft at equal intervals; according to the device, activated carbon and liquid are stirred and mixed in multiple modes, the mixed decoloration effect on the liquid is improved, the activated carbon can be disturbed to move better in the liquid by pressurizing the interior of the heating tank, the mixed decoloration effect on the liquid is further improved, and the activated carbon can be continuously stirred after the liquid is decolorized. And the materials are quickly discharged out of the heating tank through the discharging pipe, so that the discharging efficiency is improved.

The invention discloses a hydrogenated styrene-butadiene block copolymer impurity removal device and method, and relates to the technical field of impurity removal devices.The hydrogenated styrene-butadiene block copolymer impurity removal device comprises a reactor, a supporting frame is fixedly installed on the outer wall of the reactor, a feeding pipe is fixedly installed at the top of the reactor, and a discharging pipe is fixedly installed at the bottom of the reactor; the impurity removal device is arranged in the reactor, the impurity removal device comprises a motor, a rotating rod, a filter frame, a threaded plate, a reciprocating threaded groove, a fixed rod, a filter plate, a circular ring plate, an elastic telescopic block, a fixed frame and a rotating plate, the rotating rod rotates to rotate the reciprocating threaded groove, and the reciprocating threaded groove rotates to drive the threaded plate to reciprocate up and down; the two circular ring plates move in the direction away from the rotating rod to push away impurities scraped off from the filter plate, and the situation that the impurities are always in the filter frame, the filtering effect of the filter frame is reduced, and the impurity removal efficiency is affected is prevented.

The utility model relates to the technical field of fluorescent whitening agent production, and discloses a filter pressing device for fluorescent whitening agent production, which comprises a decoloring cylinder, a sealing cover is arranged at the top of the decoloring cylinder, a mixing mechanism is arranged on the sealing cover, a lifting mechanism is arranged on the decoloring cylinder, and a filter pressing mechanism is arranged on the lifting mechanism. The mixing mechanism comprises a first motor, a locking assembly and an activated carbon placing box, the output end of the first motor is fixedly connected with a rotating shaft, the bottom of the rotating shaft movably penetrates through the sealing cover and extends into the decolorizing cylinder, the bottom of the rotating shaft is fixedly connected with a U-shaped stirring rod, and the two ends of the rotating shaft are fixedly connected with connecting rods respectively. And the locking assembly is used for mounting the activated carbon placing box on the connecting rod. According to the filter pressing device for producing the fluorescent whitening agent, when the rotating shaft rotates, the activated carbon placing box can rotate along with the rotating shaft, activated carbon can make full contact with the fluorescent whitening agent, the decolorizing efficiency is improved, and meanwhile the activated carbon placing box is convenient to replace.

The present disclosure pertains to an extracellular vesicle purification kit that contains a component that does not dissolve in pure water but dissolves in a chelating agent aqueous solution.

The invention discloses imprinted resin, a preparation method thereof and application of the imprinted resin in platinum recovery. The preparation method of the imprinted resin comprises the following steps: S1, carrying out nucleophilic substitution reaction on chloromethyl polystyrene resin and N-(2-mercaptoethyl) acrylamide in a solvent, and collecting the resin after the reaction is finished; s2, adding a chloroplatinic acid solution into the resin obtained in the step S1, and carrying out a coordination reaction; s3, adding a cross-linking agent and an initiator into the system obtained in the step S2, carrying out polymerization reaction, and collecting resin after the reaction is finished; and S4, adding an eluent into the resin obtained in the step S3, and desorbing chloroplatinic acid radical ions to obtain the imprinted resin. The imprinted resin provided by the invention has high selectivity, high adsorption capacity and good regeneration performance on chloroplatinic acid radical ions, and is suitable for efficient recovery and resource utilization of platinum.

The invention relates to a purification method and purification equipment for calcium dobesilate, and the purification equipment comprises a kettle body, a filter screen; an activated carbon layer; the middle shaft and the partition plate are arranged in a synchronous lifting mode in the axial direction of the middle shaft; the upper stirring blade and the lower stirring blade are rotationally arranged together with the middle shaft; the multiple disturbance rods penetrate through the partition plate, and the multiple disturbance rods surround the periphery of the stirring area of the upper stirring blade; a driving mechanism for driving the middle shaft to drive the upper stirring blades to synchronously rotate and a lifting mechanism for driving the middle shaft to drive the partition plate to synchronously lift are arranged outside the kettle body. Dissolution, adsorption, filtration, crystallization and discharging procedures in a calcium dobesilate purification process can be realized in only one kettle body, an intermediate product does not need to be transferred in the process of joining all the procedures, the purification efficiency can be improved, and by means of control over uniform temperature drop in the crystallization procedure, the purification efficiency can be improved. The particle size consistency of precipitated calcium dobesilate crystals can be improved, so that the purification quality is improved.

The present invention relates to a core-shell magnetic molecular imprinted polymer material, a preparation method and its application in enriching 25 steroid hormones in blood. The present invention is based on the polymerization reaction of 3,3-dihydroxybenzidine and p-benzoquinone, precipitates and polymerizes on the surface of magnetic ferroferric oxide nanoparticles modified with silicon dioxide to form a polymer layer, and simultaneously uses virtual template betamethasone for imprinting treatment to obtain a core-shell magnetic molecular imprinted polymer material. The core-shell magnetic molecular imprinted polymer material prepared by the present invention has good magnetic responsiveness. The adsorption test of 25 steroid hormones shows that the core-shell magnetic molecular imprinted polymer material of the present invention has good adsorption and desorption effects, and is convenient to separate and recyclable after adsorption, and has good application prospects.

The utility model relates to the technical field of simulated moving beds, and discloses a collection distributor for simulated moving bed purification and separation equipment, which comprises a distribution transverse pipe, the upper end of the distribution transverse pipe is fixedly connected with a main pipe, and the upper end of the main pipe is provided with an insertion pipe. The collection distributor for the purification and separation equipment of the simulated moving bed is provided with a first sliding rod, a first screw rod and a first adjusting seat, when a support and the simulated moving bed are fixedly installed and a main pipe needs to transversely align a pipeline of the simulated moving bed, two first motors are started to rotate forwards and backwards respectively, the two first screw rods are driven to rotate, and the first adjusting seat and the second adjusting seat are adjusted. The two first adjusting seats in threaded connection are driven to move along the first sliding rods, so that the main pipe is aligned with the pipeline of the simulated moving bed in the transverse direction, the collecting distributor can be fixedly installed with the simulated moving bed after roughly aligning, the multiple motors are started to finely adjust the main pipe, and the main pipe and the pipeline of the simulated moving bed are assisted to be fixedly installed. Manpower is saved, and the mounting efficiency is improved.

This invention provides granular materials for environmental improvement that, after being introduced into a body of water, initially float to promote the attachment and dispersal of microorganisms, and then naturally sink to improve the bottom sediment. [Solution] This granular material is formed by mixing a base material containing iron powder and carbon powder with a lightweight porous material derived from plants and then press-molding it. The granular material has a fine void structure inside, and initially floats on the water surface or near the surface due to the buoyancy of the void structure and the lightweight porous material derived from plants. After a certain period of time, as water is absorbed due to the stagnation of the water and the iron powder oxidizes, the specific gravity increases and the material sinks. Without using any special power or equipment, it can gradually achieve both "diffusion and microbial attachment in the surface layer" and "improvement of water and sediment quality in the bottom layer" simply by being added. Furthermore, by using recycled materials such as used hand warmers as the base material, it is possible to provide a resource-recycling material with a low environmental impact.

The invention discloses a preparation method of an algae cell wall material, a method for purifying kelp polyphenol through the algae cell wall and application. The method for purifying the kelp polyphenol through the algae cell wall comprises the steps that the algae cell wall material is prepared; the kelp polyphenol crude extract is dissolved in a buffer solution to prepare a mixed solution, the pH value of the mixed solution is adjusted to 4.0-6.0, and the total phenol concentration in the mixed solution is 100-500 mg / L; mixing an algae cell wall material with the mixed solution, keeping oscillation, and adsorbing for a certain time; filtering the adsorbed mixture, collecting algae cell wall residues, mixing the algae cell wall residues with an ethanol water solution with the concentration of 50%, keeping oscillation, and desorbing for a certain time; and filtering the desorbed mixture, collecting the eluent, evaporating and concentrating, and freeze-drying to obtain the kelp polyphenol. According to the method, the kelp polyphenol is adsorbed and desorbed through the algae cell walls, separation and extraction of the kelp polyphenol are achieved, high-value utilization of the algae residues and the kelp polyphenol is achieved, operation is easy, and efficiency is high.

The present invention discloses a method for converting a chiral compound racemate into a single enantiomer, combining crystallization and SMB processes, while reducing the separation purity requirements of SMB, respectively, the chiral substance solution at the SMB extraction port and the raffinate port is crystallized and purified, and in addition, an equal mixture of the racemate raw material, the product of the racemization reaction of the single enantiomer derived from the non-target product in the racemization reactor, and the eutectic generated by the two crystallizers is used as the three sources of the racemate at the SMB feed port, which can not only ensure the purity of the target product, but also achieve high utilization of the racemate raw material and high yield of the target product, while significantly improving the overall equipment yield. It can be seen that using the method of the present invention, the chiral compound racemate can be converted into a single enantiomer, which can significantly improve the overall equipment yield while ensuring the purity and yield of the target product.

The utility model discloses a glyoxal decolorizing and separating device, and belongs to the field of glyoxal production, the glyoxal decolorizing and separating device comprises a tank body, the top of the tank body is fixedly connected with a feeding pipe, the bottom of the tank body is fixedly connected with a discharging pipe, the joint of the discharging pipe and the tank body is fixedly connected with a filter screen, the tank body is internally provided with a supporting rod, and the supporting rod is fixedly connected with the tank body. Stirring blades are arranged on the surface of the supporting rod, a connecting mechanism is arranged at the joint of the stirring blades and the supporting rod, a first motor, an eccentric block and a rotating rod are arranged, the output end of the first motor rotates to drive the rotating rod to rotate, and then the rotating rod rotates to drive the eccentric block to rotate; the eccentric block rotates to drive the discharging pipe and the filter screen to vibrate, so that the filtering of glyoxal is accelerated, the problem that the efficiency of separating the activated carbon filter residues from glyoxal is reduced due to the fact that the filter screen is blocked by the activated carbon filter residues when a large amount of materials are filtered by the existing glyoxal decolorizing and separating device is avoided, and the practicability is improved.

The utility model relates to the technical field of crude heparin sodium preparation, and provides an adsorption tank for crude heparin sodium preparation, which comprises an adsorption cylinder, the top of the adsorption cylinder is fixedly connected with a fixing frame, and the top of the fixing frame is fixedly connected with a first motor. Through the arrangement of the first motor, the rotating shaft, the rotating plate, the connecting rods and the clamping plates, when the first motor starts to operate, the rotating shaft drives the rotating plate to rotate, the rotating plate extrudes and pushes the two connecting rods, the two connecting rods drive the two clamping plates to horizontally move oppositely under the limiting action of the sliding grooves, and the clamping plates are clamped. And the clamping plate is separated from the interior of the handle, so that the fixing effect on the connecting plate is relieved, an operator can take down the connecting plate and the stirring blade through the handle, the function of conveniently disassembling and assembling the stirring blade is achieved, the efficiency of disassembling and assembling the stirring blade by the operator is improved, and the labor intensity of the operator is reduced.

The application discloses a processing equipment for crude heparin sodium and belongs to the field of heparin sodium preparation, which comprises a shell, a liquid discharge port arranged at the lower end of the shell, a cover one fixed at the upper end of the shell, a liquid inlet arranged on the cover one, and an adsorption assembly arranged in the shell. The adsorption assembly comprises a plurality of supporting pieces fixed to the inner bottom wall of the shell, a filter cartridge clamped to the upper ends of the supporting pieces, a cavity and a hollow cavity arranged in the filter cartridge, and a cover two fixed to the upper end of the filter cartridge and sealing the cavity. The cavity for placing the resin is arranged in the filter cartridge, the resin is confined in the filter cartridge, direct contact with the high-speed rotating stirring paddle is avoided, and the resin is not damaged by the high-speed rotating stirring paddle. The paddle in the hollow cavity can actively and continuously suck the liquid from the bottom of the filter cartridge, and force the liquid to penetrate the resin bed in the radial direction. The radial flow has a large cross-sectional area, a short path, and a more uniform fluid distribution, and the utilization rate of the resin is higher.

The invention relates to the technical field of dehydration devices, and discloses a coal fine chemical molecular sieve membrane liquid phase dehydration device which comprises a dehydration device tank body, an air inlet pipe is fixedly connected to the upper portion of the side portion of the dehydration device tank body, and an air outlet pipe is fixedly connected to the lower portion of the side portion of the dehydration device tank body; a rotating structure is arranged in the middle of the dehydration device tank body, a rotating disc is fixedly arranged at the lower end of the rotating structure in a penetrating manner, and a molecular sieve membrane structure is mounted and distributed in the rotating disc; an outer ring groove frame is fixedly arranged near the lower part of the outer part of the dehydration device tank body; the rotating disc is rotationally connected to the interior of the outer ring groove frame in a limiting manner; supporting legs are fixedly distributed near the lower end of the outer side wall of the dehydration device tank body. The molecular sieve is more uniformly and fully contacted with gas, the molecular sieve in a local area is prevented from reaching a saturation state too early, so that the service life of the molecular sieve is prolonged, the dehydration effect is improved, meanwhile, certain centrifugal force is generated by rotation of the rotating disc, and separation of water from gas and liquid is accelerated.

The invention relates to the technical field of food safety and adsorbents, in particular to a metal organic framework patulin adsorbent and a preparation method and application thereof.The metal organic framework patulin adsorbent contains a sulfhydrylation metal organic framework UiO-66-SH and is specifically prepared through the following steps that ZrCl4 is taken and dissolved in N, N-dimethylformamide (DMF), glacial acetic acid is added, and ultrasonic dissolution is conducted; then adding 2, 5-dimercaptoterephthalic acid into the solution, and carrying out ultrasonic dissolution; the preparation method comprises the following steps: adding UiO-66-SH into a reaction kettle, carrying out magnetic stirring in an oil bath pan, carrying out centrifugation to remove a supernatant after a reaction is finished, and sequentially washing a precipitate with DMF, absolute ethyl alcohol and deionized water to obtain a light yellow precipitate, namely UiO-66-SH. The common problems of MOF pore blockage, great reduction of specific surface area, structural damage and the like in a traditional post-modification method are avoided through a one-step direct synthesis method, the synthesized UiO-66-SH is more efficient, stable, safe and free of residues, the adsorption capacity to PAT reaches up to 18.209 mu g / mg, and main nutritional ingredients in fruit juice are not obviously influenced.

The invention relates to a vegetable cleaning method and device, and relates to the field of vegetable cleaning.The vegetable cleaning device comprises a first cleaning pool, a second cleaning pool and a third cleaning pool, a flushing mechanism and a multi-stage filter plate are arranged in the first cleaning pool, the multi-stage filter plate is arranged in the material flowing direction, the aperture of the multi-stage filter plate is gradually reduced, and an aeration mechanism is arranged at the bottom of the second cleaning pool; a filtering circulation assembly is arranged on the side wall of the second cleaning pool, a rotary adsorption roller is arranged at the discharging end of the second cleaning pool, a secondary adsorption roller is arranged in the third cleaning pool and located on a conveying path in the third cleaning pool, adhesion layers are arranged on the outer surfaces of the rotary adsorption roller and the secondary adsorption roller, and the adhesion layers are made of hook-and-loop fastener materials. A plurality of rows of spraying pipes which are arranged in parallel are arranged in the second cleaning pool and the third cleaning pool, conical nozzles are arranged on the spraying pipes, and the conical nozzles spray water flow to wash the vegetables and push the vegetables to be conveyed forwards. The vegetable cleaning device has the effect of improving the cleanliness of vegetables.

The oscillation equipment comprises an equipment body and the chromatographic column, an equipment cavity is formed in the middle of the equipment body, an oscillator is arranged in the equipment cavity, oscillation grooves are formed in the left side and the right side of the equipment body, fastening devices are arranged on the side walls of the oscillation grooves, and each fastening device comprises a main pipe on the lower portion and a telescopic rod on the upper portion. The main pipe is provided with a first fastening ring and a second fastening ring, the first fastening ring and the second fastening ring correspondingly fasten the upper portion and the lower portion of the chromatographic column, and a fastening sleeve is arranged at the top of the telescopic rod and corresponds to a cover body of the chromatographic column. The oscillator is arranged in the middle of the device body, the oscillation grooves are formed in the two sides of the device body, a plurality of chromatographic columns can be oscillated at the same time, the structure is simple, and the oscillation efficiency is high; the first fastening ring and the second fastening ring on the fastening device main pipe are used for fastening the upper portion and the lower portion of the chromatographic column, double-insurance fastening of the chromatographic column can be achieved, the fastening sleeve of the telescopic rod can be used for fastening a cover body of the chromatographic column, and the chromatographic column fastening device is high in chromatographic efficiency and suitable for popularization.