13results about How to "Guaranteed to dissolve" patented technology

The invention relates to an electrolytic fluorine-making nickel-containing waste electrolyte treatment method which comprises the following steps: heating a fluorine-making electrolytic cell to 80-95 DEG C, completely melting the electrolyte, standing for layering, and taking out the colorless electrolyte on the upper layer; excessive fluorine gas is introduced into the electrolytic cell, and ferrous ions in the remaining electrolyte are converted into iron ions; electrolyte in the electrolytic bath is guided into an anti-corrosion container, deionized water is added into the anti-corrosion container, and the electrolyte is completely dissolved; adjusting the pH value of the solution in the container to 3-4, fully precipitating, and carrying out solid-liquid separation to obtain a solid A and a filtrate A; adjusting the pH value of the filtrate A to 9-11, fully precipitating, and carrying out solid-liquid separation to obtain a solid B and a filtrate B; and adjusting the ion molar ratio of F <-> to K < + > in the filtrate B to be 2: 1, then carrying out evaporative crystallization, and drying obtained crystals to obtain products of potassium hydrogen difluoride and potassium fluoride. The waste electrolyte can be effectively treated, and resources are efficiently recycled and reutilized.

This invention relates to a zero-residue multi-stage deflagration fracturing method and system, addressing the problems of existing deflagration fracturing devices, such as well-water pollution, failure to achieve the expected fracturing effect, and low efficiency. The multi-stage deflagration fracturing method includes: Step 1: Preparing the deflagration fracturing charge, central tube, and guide plug in the deflagration fracturing system using a combustible material that is soluble in chloride ions; Step 2: During operation of the deflagration fracturing system, a detonator ignites the central tube and the deflagration fracturing charge; Step 3: The central tube burns, the deflagration fracturing charge deflagrates, and the guide plug burns simultaneously, thus performing multi-stage deflagration fracturing; Step 4: After deflagration fracturing is completed, the residue from the central tube, deflagration fracturing charge, and guide plug falls into the well water, where it dissolves completely, achieving zero residue. To achieve the above method, this invention also proposes two zero-residue multi-stage deflagration fracturing systems.

The utility model belongs to the technical field of household appliances, and particularly relates to a washing machine which comprises a shell, a barrel, a roller, a door and a detergent putting system, the detergent putting system comprises a distribution box, a detergent putting module and a water inlet module, and the distribution box is provided with an air inlet, a water inlet, a detergent inlet, a mixing channel and a mixed liquid outlet. The water inlet and the detergent inlet are both communicated with the mixing channel, the water inlet is communicated with the water inlet module, the detergent inlet is communicated with the detergent putting module, water conveyed by the water inlet module and detergent put by the detergent putting module can form a mixed solution in the mixing channel, and an air inlet part is arranged in the mixing channel; the air inlet part is communicated with the air inlet hole, air entering the air inlet part through the air inlet hole can be mixed with the mixed solution, and the mixed solution mixed with the air is sprayed out towards the interior of the roller through the mixed solution outlet. The detergent can be completely dissolved, the dissolving time and the utilization rate of the detergent are improved, and the washing efficiency can be improved.

The invention provides a method for detecting the chloride ion content in ferric phosphate. The method comprises: firstly dissolving a ferric phosphate sample in a mixed acid solution of sulfuric acid and phosphoric acid to dissolve all the chloride ions in the phosphoric acid sample, then adding a silver chloride turbid solution formed by excessive silver nitrate into the chloride ion solution, adding a stabilizer containing gelatin and polyhydroxy alcohol to stabilize the silver chloride system, and testing the chloride ion content in the ferric phosphate sample by spectrophotometry. The method has the characteristics of high accuracy and good stability of the test result.

The present invention relates to the technical field of analyzers, and specifically discloses a drug analyzer with an adaptive function, including a shell, the shell is fixedly connected to a first fixed shell, the first fixed shell is installed with a cover, a drug analysis terminal and a first power member are fixedly connected in the first fixed shell, the first power member is installed with a first fixed plate, the first fixed plate is slidably provided with a first sliding frame, a spring is installed between the first sliding frame and the first fixed plate, the first sliding frame is rotatably provided with a rotating roller, the drug analysis terminal is installed with evenly distributed test tubes, the first fixed plate is fixedly connected to evenly distributed limit plates, and the first sliding frame is fixedly connected to a scraper that contacts and cooperates with the rotating roller thereon. The present invention utilizes the cleaning of the scraper and the sealing of the first fixed shell to dissolve all the drug powder into the test tube, thereby improving the accuracy of the drug data measured by the device.

The invention belongs to the technical field of coal chemical industry, and particularly relates to a method for preparing insoluble sulfur from coking crude sulfur. The invention provides a method for preparing insoluble sulfur from crude sulfur, which comprises the following steps of: 1, melting the crude sulfur, and settling to obtain sulfur liquid; 2, extracting the sulfur liquid by adopting an organic solvent under a microwave condition to obtain filtrate; 3, heating the filtrate, recovering the solvent, and adding a stabilizer to obtain liquid sulfur; 4, immersing the liquid sulfur into quenching liquid to obtain solid sulfur; and 5, mixing and separating the sulfur and the mixed solvent to obtain the insoluble sulfur. By adopting a microwave heating mode, energy can be preferentially concentrated to heat an organic solvent, so that the organic solvent is rapidly heated to dissolve sulfur; and the microwave technology is fast in extraction, so that the dissolution of tar can be reduced while sulfur dissolution is ensured, and the crude sulfur is purified. And heating the filtered filtrate to recover the organic solvent, quenching to obtain the insoluble sulfur, and separating and purifying by using a mixed solvent to obtain the insoluble sulfur.

The invention provides a method for preparing high-purity isoquercitrin from polygonum viviparum, which comprises the following steps: sequentially carrying out water extraction impurity removal and alcohol extraction on a polygonum viviparum raw material to obtain an alcohol extract; decolorizing the alcohol extract, then adjusting the pH value to 9-11 to precipitate and remove tannin, and then carrying out vacuum concentration to obtain a general flavone crude product; performing acid hydrolysis on the crude product, performing separation and purification by adopting high-pressure preparative liquid chromatography, performing online monitoring by utilizing an ultraviolet detector, and obtaining a fraction rich in isoquercitrin by accurately controlling starting and ending points of fraction collection; and concentrating under reduced pressure, washing with water and drying to obtain the product. By optimizing the pretreatment and chromatographic separation conditions, the purity and yield of the product are synchronously improved, the HPLC (High Performance Liquid Chromatography) purity of the obtained isoquercitrin reaches 98% or above, and the method is low in process operation cost, environment-friendly and suitable for large-scale production.

The application relates to a perovskite film forming process and a perovskite battery, and the film forming process comprises the following steps: (1) dissolving a perovskite precursor material in an organic solvent to obtain a perovskite precursor solution; (2) coating the perovskite precursor solution on a substrate; and (3) forming a perovskite layer. The perovskite precursor material is an ABX3 type material or a material composed of an ABX3 type structure, A is a monovalent cation, B is a divalent metal ion, and X is a monovalent anion. The organic solvent is a ternary mixed solvent system composed of N, N-dimethylformamide, acetonitrile and N, N-dimethylacrylurea, wherein the volume ratio of N, N-dimethylformamide: acetonitrile: N, N-dimethylacrylurea is (65-85):(15-25):(5-10). The perovskite battery film layer obtained by the process is dense and uniform, and the battery performance is effectively improved.

The application discloses a step-by-step doped porous lithium iron manganese phosphate composite material and a preparation method thereof. 2+ The application discloses a step-by-step doped porous lithium iron manganese phosphate composite material and a preparation method thereof. 2+ The application discloses a step-by-step doped porous lithium iron manganese phosphate composite material and a preparation method thereof. 2+ The application discloses a step-by-step doped porous lithium iron manganese phosphate composite material and a preparation method thereof. 2+ The application discloses a step-by-step doped porous lithium iron manganese phosphate composite material and a preparation method thereof.

The invention discloses a preparation method and a detection method of a material capable of being used for indirectly detecting acrylonitrile gas, and relates to the technical field of acrylonitrile gas detection. According to the invention, platinum (Pt) and palladium (Pd) particles are uniformly dispersed on the surface of a Zn-doped nanoscale gamma-phase aluminum oxide (gamma-Al 2O3) matrix so as to ensure the long-term stability and stable catalytic activity of the material structure; dissolving a soluble salt containing Pt and Pd in a proper amount of an acidic solvent, mixing with the gamma-Al2O3 matrix material prepared in the step S1, heating and drying, uniformly mixing with a binder to obtain adhesive slurry, coating a platinum wire with a spiral coil with the adhesive slurry, and heating by supplying power to the two ends of the platinum wire, so as to obtain the high-temperature-resistant high-temperature-resistant ceramic material. And carrying out in-situ sintering on the platinum wire to form the acrylonitrile cracking device in which Zn, Pt and Pd are uniformly dispersed in gamma-Al2O3. The acrylonitrile cracking device is used for cracking acrylonitrile to obtain nitric oxide, so that the aim of indirectly detecting acrylonitrile gas based on nitric oxide concentration detection is fulfilled.

The invention relates to the technical field of medical instruments, in particular to a PICC (peripherally inserted central catheter) thrombolysis device which comprises a connector and a catheter body, a first liquid cavity penetrating through the catheter body is arranged in the catheter body, the catheter body comprises a main tube section and a dosing tube section, and a wrapping component is arranged between the main tube section and the dosing tube section. The wrapping component comprises an isolating membrane sleeve and a traction rope, the isolating membrane sleeve has a first form and a second form, in the first form, the isolating membrane sleeve wraps the outer surface of the main tube section, the isolating membrane sleeve wraps the outer surface of the drug delivery tube section, and the isolating membrane sleeve forms the second form. The isolating membrane sleeve in the second form is used for covering the fibrous protein tail or the fibrous protein sheath formed at the end part of the catheter body, and further, the opening at the free end of the isolating membrane sleeve can be closed, so that the fibrous protein tail or the fibrous protein sheath can be dissolved in the closed accommodating cavity formed by the isolating membrane sleeve; and the fallen fibrin is effectively prevented from remaining in the superior vena cava of a human body.

The present invention relates to the field of immunoassay technology, and in particular to a detection reagent for Mycobacterium tuberculosis, wherein the detection system comprises an antigen repair agent, an immune nanomagnetic bead capture agent, a fluorescent dye, a counterstain and an eluent, and the antigen repair agent is a periodic acid solution. The Mycobacterium tuberculosis detection reagent provided by the present invention greatly reduces the detection limit of combined mycobacteria in clinical samples, and at the same time greatly improves the sensitivity and accuracy of Mycobacterium tuberculosis detection.

The utility model belongs to the technical field of chemical production, and particularly relates to a paraformaldehyde depolymerization device which comprises a paraformaldehyde feeding tank, an alcoholic solution feeding tank, a depolymerization liquid storage tank, a tubular reactor and a return pipe. The paraformaldehyde feeding tank is provided with a first outlet and a first feeding pipe, a first feeding pump is arranged on the first feeding pipe, the alcoholic solution feeding tank is provided with a second outlet and a second feeding pipe, a second feeding pump is arranged on the second feeding pipe, and a reflux pump is arranged on the reflux pipe; the depolymerization liquid storage tank is provided with a third outlet and a third feeding pipe, and a third feeding pump is arranged on the third feeding pipe. According to the utility model, paraformaldehyde depolymerization is carried out at a lower temperature; the depolymerization liquid can be stably and continuously produced, and the device is suitable for continuous production; and the return pipe can increase material backmixing and ensure complete dissolution of paraformaldehyde.