12 results about "Resin extraction" patented technology

The present application relates to a kind of methods for separating actinium from irradiated thorium target, belong to medical radioisotope manufacturing technical field, solve the problem that thorium element and lanthanide element impurity content in final actinium product in prior art is higher.The present application discloses a kind of methods for separating actinium from irradiated thorium target, first, irradiated thorium target is dissolved, then using cation exchange resin column, UTEVA or TK200 resin extraction column, DGA resin extraction column, LN resin extraction column four-stage series separation purification process, obtain final actinium product.Actinium is efficiently and selectively recovered, and the thorium element and lanthanide element impurity content in final actinium product is significantly reduced.

The application provides a preparation method of a rare earth metal adsorption and separation resin and a resin extraction column. The preparation method comprises the following steps: adding an oil phase composed of styrene, divinylbenzene, a pore former and an initiator into an aqueous phase containing a dispersant and an inorganic salt to perform suspension polymerization, so as to obtain a white ball resin; performing phthalimide and hydrolysis on the white ball resin, so as to obtain a primary amine resin; performing reaction on the primary amine resin with chloroacetic acid and an alkaline medium, so as to perform carboxymethylation on part of the primary amine sites; and performing reaction on the obtained intermediate resin with phosphorous acid, formaldehyde and an acidic medium, so as to perform phosphonic acid methylation on the remaining part of the primary amine sites. The white ball resin is first subjected to amination, and then part of the carboxymethylation and part of the phosphonic acid methylation are sequentially performed, so that the carboxyl type chelation sites and the phosphonic acid type chelation sites are simultaneously reserved in the same resin bead, thereby being beneficial to improving the comprehensive adsorption performance and separation performance of the resin on the rare earth metal.

The invention discloses a method for producing high-purity doxorubicin through fermentation of streptomyces peucedanum var. Peucedanum X121-56-2 and in-situ extraction of LX-20 resin, which comprises the following steps: preparing a high-density seed solution through a specific seed culture medium and a culture process, and then inoculating the high-density seed solution into a fermentation culture medium containing a composite carbon and nitrogen source and LX-20 macroporous adsorption resin; and fermenting under the conditions of controlled temperature, pH, ventilation and dissolved oxygen. In the fermentation process, adriamycin is adsorbed by LX-20 resin in situ, the yield is effectively increased, and the extraction process is simplified. The specific strain is combined with the LX-20 resin technology for the first time, the adriamycin yield can reach 530 mg / L at the maximum under the 15L tank scale, the purity of a crude product directly extracted from the resin can reach 58%, and the method has the outstanding advantages of being high in yield and purity, low in cost, easy to amplify and the like.

This utility model discloses an easy-to-absorb resin bottle, belonging to the field of biomedical products. It includes a bottle body and a cap. The bottle body has an integrally formed opening with a connecting neck. The cap covers the top of the connecting neck for sealing. A straw is embedded in the inner wall of the cap. The bottom of the cap has a double-layer sealing element, consisting of a flat layer and a sloping layer. Not only is a straw added, eliminating the need to use an extra straw for resin extraction, but the seal between the bottle body and cap is designed as a double-layer seal with a height difference. The lower layer is made of silicone to ensure no resin leakage, while the upper layer has a non-threaded structure that uses magnetic attraction for positioning. The two sloping annular plates achieve a flat seal after docking, making it easier to open even if resin residue remains.

The invention belongs to the technical field of cosmetics, and discloses a composition with moisturizing, soothing and repairing effects as well as a preparation method and application thereof. The composition disclosed by the invention is prepared from the following components in parts by mass: 1 to 15 parts of peach resin extract, 1 to 15 parts of saccharide isomeride, 0.1 to 2 parts of red-knees herb extract and 0.1 to 5 parts of Ectoin. According to the present invention, the formula contains the peach resin extract, the saccharide isomeride, the red-knees herb extract and the Ectoine, and through the unique formula combination and the scientific ratio, the components produce the good synergistic effect, such that the sensitive skin can be effectively relieved, the skin barrier can be effectively repaired, and the long-acting water locking and moisturizing can be effectively achieved.

The invention discloses a resin cleaning tank capable of achieving thorough cleaning and middle extraction and a resin cleaning method, and belongs to the technical field of resin cleaning equipment. The resin cleaning tank comprises a cleaning tank body, a middle resin extraction pipe, a concave porous plate, a piping system device, a pneumatic negative pressure material extraction assembly, an electric control intelligent monitoring assembly and an external medium regulation and control assembly. The concave porous plate can gather the resin at the center of the tank body to avoid accumulation at dead angles; the middle resin extraction pipe is arranged in the middle and is matched with the purging air nozzle group and the multiple anti-suction structures, so that the smooth extraction of the resin is realized and the material extraction assembly is protected; the piping system device forms a rotational flow gas-liquid field, and ultrasonic and temperature control are combined to achieve multi-physical-field collaborative cleaning. Air sources are uniformly supplied, and the structure is simplified; and an electric control system realizes double-index monitoring and automatic closed-loop control, and graded pollution discharge is free of residues. The device has the advantages of thorough cleaning, smooth material pumping, stable operation and simple and convenient operation and maintenance, and is suitable for resin regeneration cleaning scenes of chemical engineering, water treatment and the like.

This invention provides a continuous extraction device for extracting chili oil resin, including an extraction tank. An extraction auxiliary device is installed inside the extraction tank and fixed to a top cover. The top cover is fixedly installed inside the extraction tank. A support leg is fixedly installed below the extraction tank, with an injection port and a discharge port respectively located at the top and bottom of one side. A support frame is fixedly installed above the extraction tank. Hydraulic cylinders are fixedly installed at the bottom of the extraction tank and above the support frame, with the output ends of two opposing hydraulic cylinders connected to the extraction auxiliary device. An ultrasonic generator is fixedly installed outside the extraction tank and connected to an ultrasonic bar installed inside. This invention uses hydraulic cylinders to drive the extrusion disc to reciprocate, accelerating the dissolution of chili oil resin and shortening the extraction time. Its special structure adapts to different raw materials, improving the extraction rate. The annular space isolates impurities and stabilizes the solvent concentration. Convenient raw material feeding and precise control ensure continuous and efficient production.

The application provides a kind of based on liquid silicone rubber and SAP high water-absorbing resin extraction borehole plugging method, by being respectively set in the front end and tail end of gas extraction pipe air bag, injection pipe is inserted between two air bags, two air bags are communicated by gas injection pipe, one end of gas extraction pipe is sent into gas extraction borehole, SAP high water-absorbing resin particles are injected into two air bags by gas injection pipe, after filling a certain amount, change injection air, until air bag inflation reaches the requirement;Water is injected into two air bags again through the gas injection pipe, SAP high water-absorbing resin swells to form a more compact plug;Liquid silicone rubber and SAP high water-absorbing resin composite liquid are injected into the gas extraction borehole through the injection pipe until the plugging is completed. To solve the problems of insufficient sealing, poor water absorption and swelling, and insufficient durability of traditional plugging materials and methods. It belongs to the technical field of plugging materials.

This invention discloses an on-site molding device and method for expanding the anchorage end of FRP (Fiberglass Reinforced Plastic) bars, belonging to the field of building engineering technology. The molding device includes a mold with a hot-melt cavity inside. The inner wall of the hot-melt cavity is provided with several inner cavity ribs and a heater. The upper part of the mold has an injection channel communicating with the hot-melt cavity, and the lower part has a resin extraction channel communicating with the hot-melt cavity. The outlet of the resin extraction channel is connected to a self-priming booster pump. This invention enables FRP bars to achieve the necessary anchorage effect without bending, laying the foundation for the widespread application of FRP bars.

A method of separating excess resin from at least one object, includes: (a) stereolithographically producing at least one object on at least one carrier platform, each carrier platform having a planar build surface to which at least one object is connected, each object carrying excess resin on a surface thereof; then (b) mounting each carrier platform to a rotor; (c) centrifugally separating excess resin from each object by spinning the rotor with each carrier platform connected thereto while each object remains connected to each carrier platform; and then (d) removing each carrier platform from the rotor with each object thereon, with excess resin separated therefrom.

The invention relates to the technical field of wash care products, in particular to nourishing and soothing essence and a preparation method thereof.The nourishing and soothing essence is characterized by comprising a plant extract compound system; the plant extract composite system is prepared from the following components in percentage by mass: 1.0 to 2.0 percent of a flos lonicerae extract, 0.5 to 2.0 percent of a helminthosporium helminthosporium extract, 0.2 to 2.0 percent of a rice extract, 0.5 to 3.0 percent of a radix notoginseng extract, 0.5 to 3.0 percent of a radix ginseng extract, 0.3 to 2.0 percent of a peach resin extract, 0.3 to 2.0 percent of a lotus root extract, 0.4 to 2.0 percent of a rosa rugosa extract and the balance of deionized water. The problem that an existing scalp care product cannot nourish hair follicles and relieve scalp at the same time is solved.

The utility model relates to the technical field of vegetable oil separation, in particular to a centrifugal separation device for extracting vegetable oil resin, which comprises a separation tank, an annular seat fixedly connected to the inner side wall of the separation tank, a filter barrel rotatably connected to the inner side wall of the annular seat, and a fixed block fixedly connected to the inner side wall of the separation tank. The top of the fixing block penetrates through and is rotationally connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a meshing assembly, the outer side wall of the separation tank is fixedly connected with a driving assembly, and the lower side wall of the separation tank is fixedly connected with a fixing shaft. The rotating shaft drives the meshing assembly to work, then the meshing assembly drives the filter barrel to rotate, red zanthoxylum oil in a red zanthoxylum oil mixture is separated out in a centrifugal mode through the rotating filter barrel, the separation speed of the red zanthoxylum oil is increased, and finally the filter barrel is cleaned through the cleaning assembly. And the device can be conveniently used next time.