13results about How to "Efficient cracking" patented technology

The invention discloses an anti-airlock method and equipment for an electric submersible screw pump based on working condition recognition and a medium, and relates to the technical field of oil exploitation equipment. The method comprises the steps that based on an underground detection device and a ground control cabinet sensor of the electric submersible screw pump unit, operation parameters of the electric submersible screw pump unit are collected in real time, and the operation parameters are preprocessed to obtain standard operation parameters; wherein the operation parameters comprise pump inlet pressure and motor output current; extracting pressure-current correlation characteristics under the airlock working condition to construct an airlock working condition identification model, and inputting the standard operation parameters into the airlock working condition identification model to obtain an airlock state grade; and based on the airlock state grade, the operation regulation and control strategy of the electric submersible screw pump unit is adjusted so as to eliminate the airlock phenomenon. Real-time data of underground and ground sensors are collected, the airlock grade is judged in advance through the airlock working condition recognition model, the operation state is automatically adjusted, and early warning of the airlock is achieved.

The invention relates to the technical field of solid waste full-automatic treatment devices, in particular to a dynamic thermal energy cracking medical solid waste full-automatic treatment device which comprises an equipment main machine frame, a machine frame stand column is fixedly installed on the outer side of the equipment main machine frame, and a barrel body lifting positioning mechanism is fixedly installed at the rear end of the machine frame stand column. And an inner pressure adjusting mechanism is rotatably mounted at the upper end of the upper cover hinge base, an equipment base is fixedly mounted in the equipment main rack, a power driving mechanism is fixedly mounted between a power motor and the lower end of the treatment cavity, and a cutter body angle adjusting mechanism is fixedly mounted at the output end of each telescopic rod. The staggered blades can complete efficient crushing, the contact area of solid waste and the high-temperature environment is increased, and the cracking efficiency is improved. And meanwhile, a cutter body angle adjusting mechanism can flexibly adjust cutting and stirring angles according to the type and hardness of the solid waste, precise adaptation of crushing and cracking is achieved, and the problems that due to a single treatment mode of traditional equipment, local harmlessness is not achieved, and the treatment period is long are solved.

The invention discloses a nematode enrichment method based on a compound enzyme preparation, which is characterized in that a Viscozyme L enzyme and a Cellic cTec3 enzyme are compounded, so that the quick release of two nematodes, i.e., small-stem nematode and lethal meloidogyne, is realized. The optimal extraction conditions of the caenorhabditis caenorhabditis are as follows: the volume ratio of the Cellic cTec3 enzyme to the Viscozyme L enzyme is 1 mL / 40 [mu] L, the temperature is 25 DEG C, and the time is 4.5 h; for killing meloidogyne, the release efficiency is obviously increased along with the temperature rise, and the optimal conditions are as follows: the volume ratio of the Cellic cTec3 enzyme to the Viscozyme L enzyme is 2 mL / 80 mu L, the temperature is 35 DEG C, and the time is 4.5 h. High-efficiency enrichment operation can be realized by utilizing an optimized enzyme lysis solution system, the quantity of the extracted nematodes, namely, the causticia caerulea and the killing meloidogyne, is obviously increased compared with that of the nematodes extracted by the prior art, and microscopic morphology observation proves that the biological characteristics of the nematodes are kept complete and the state is good.

The utility model discloses an industrial wastewater biochemical system sludge treatment system, it belongs to industrial wastewater treatment field, it will fluid power cavitation, thermal effect and alkaliolysis effect system integration, break through the limitation of single technology, realized the high -efficient sludge disintegration under low energy consumption. It mainly includes sludge pump, the sludge pump is connected with the pretreatment unit through valve no.

The utility model discloses a kind of thermal plasma nitrogen oxide processing devices, including processing device, the inside of processing device is separated into independent nitrogen oxide waste gas unit and waste gas reaction unit by fixed partition, the fixed partition is provided with multiple through channels and inlay thermal plasma torch, it is through two units, flame end is stretched to waste gas reaction unit, the other end is to nitrogen oxide waste gas unit, constitute gas only passage. By partition isolation, horizontal torch array and similar "double horn" flow channel, nitrogen oxide molecular bond is efficiently broken in short time;Simultaneously, material and structure integration break cooling dependence, so that industrial grade denitration equipment first has three breakthroughs of land occupation halving, multiple pollutants collaborative treatment and zero secondary pollution.

The application belongs to the technical field of virus DNA enrichment. More particularly, it relates to a method and a kit for enriching low-concentration pathogen nucleic acid in water bodies. The enrichment cracking solution and the eluent constructed by specific proportion produce synergistic effect, efficiently crack the pathogen, and promote the target nucleic acid to be directionally adsorbed on the magnetic beads, so that the enrichment efficiency and detection sensitivity are significantly improved, the originally undetectable or weakly positive low-load samples are stably detected, and the false negative rate is greatly reduced. The enrichment reagent provided by the application is simple to prepare, the water sample does not need complex pretreatment, and the sample treatment and enrichment operation can be completed integrally on site. The method is excellent in anti-matrix interference, process simplification, reagent saving, operation speediness and on-site applicability, overcomes the technical bottleneck that low-load pathogens and nucleic acids easily cause false negatives in detection, helps the breeding farm to take disease prevention and control measures in time, and has good application prospect and value.

The application provides a method for catalytically cracking organosilicon high-boiling substances. The method comprises the following steps: contacting an organosilicon high-boiling substance raw material with a cracking catalyst to generate a cracking reaction; the reaction temperature of the cracking reaction is not lower than 500 DEG C; the cracking catalyst comprises a carrier and a metal active component loaded on the carrier, the metal active component at least comprises one or more of Fe, Zn, Ni, Ti and Mo, the mass content of the metal active component in the cracking catalyst is not less than 1%, the carrier at least comprises a molecular sieve, and the mass content of the carrier in the cracking catalyst is not less than 10%. The catalyst used in the cracking reaction of the application does not contain heavy metals, and has high selectivity to methyl chlorosilane monomers such as monomethyltrichlorosilane, dimethyldichlorosilane and trimethylmonochlorosilane, especially can effectively improve the selectivity of dimethyldichlorosilane, and has mild and efficient reaction conditions, high catalytic efficiency.

This invention relates to a method for producing hydrogen from waste edible oils via catalytic cracking. The method involves precipitating and filtering the waste edible oils, then converting them into C1-C5 light hydrocarbons at 350℃-380℃ using a highly active, carbon-resistant, acid-resistant, and water-resistant large-pore hydrodeoxygenation catalyst and a highly efficient n-alkane cracking catalyst. The converted hydrocarbons are then passed through a fine desulfurization reactor and into a light hydrocarbon conversion furnace for cracking to produce hydrogen. Further conversion is performed in a medium-temperature shift converter to increase the yield. Finally, the hydrogen is purified using a PSA purification system to obtain high-purity hydrogen. This method features low reaction temperatures, minimal equipment requirements, and effectively avoids coking during the reaction process. The catalyst structure and synergistic effect of this invention result in high catalytic activity, improved catalytic efficiency, abundant C1-C5 light hydrocarbon components, and higher hydrogen purity.

The invention relates to a ZSM-5 nanosheet catalyst and a preparation method and application thereof, and belongs to the technical field of catalysts.According to the preparation method, the morphology of the catalyst is regulated and controlled through a specific silicon-aluminum ratio and a specific fluorine-aluminum ratio, so that the obtained ZSM-5 nanosheet catalyst has an excellent catalytic effect, and the catalyst has a good application prospect. The waste cable crosslinked polyethylene can be effectively degraded and recycled into a series of gaseous and liquid hydrocarbons, and high-value utilization of the waste cable crosslinked polyethylene is realized.

The invention relates to the technical field of fluorine chemical industry, in particular to a synthesis method of rhenium hexafluoride. The method comprises the following steps: S1, preheating fluorine-nitrogen mixed gas to 50-100 DEG C in a first temperature zone; s2, introducing the preheated fluorine-nitrogen mixed gas into a second temperature zone to react with rhenium metal to generate mixed gas containing rhenium hexafluoride, wherein the temperature of the second temperature zone is 120-180 DEG C; s3, mixed gas containing rhenium hexafluoride is introduced into a third temperature zone and continues to react with rhenium metal, and the temperature of the third temperature zone ranges from 300 DEG C to 450 DEG C; s4, introducing the gas obtained in the step S3 into a fourth temperature zone, and controlling the temperature of the fourth temperature zone to be 200-300 DEG C, and S5, carrying out low-temperature collection on the gas generated in the step S4 through a cold trap to obtain the high-purity rhenium hexafluoride. Through temperature control in multiple areas, the impurity content is reduced, and the product purity is improved.

This invention relates to the field of methane cracking control equipment, particularly a gas-solid two-phase flow control device for a high-temperature catalytic cracking furnace of methane. The control device includes a reaction shell, an inlet pipe, an airflow baffle, a bottom microfiltration assembly, a flow-equalizing microporous assembly, a top microfiltration assembly, an exhaust pipe, a viewing window, a video monitoring system, and a flow control device. The airflow baffle and the bottom microfiltration assembly are installed at the bottom of the inner cavity of the reaction shell, while the top microfiltration assembly is installed at the top of the inner cavity of the reaction shell. This invention, by setting the bottom microfiltration assembly, the top microfiltration assembly, and the flow-equalizing microporous assembly inside the cracking furnace, and coordinating with the detection of the gas-solid two-phase flow inside the cracking furnace to adjust the airflow rate, achieves uniform suspension of catalyst particles in the high-speed airflow inside the cracking furnace. This enables efficient cracking of methane under the action of the catalyst and the deposition of nano-carbon, reducing the production cost of carbon nanotubes.

This invention relates to a novel methicillin-resistant Staphylococcus aureus (MRSA) bacteriophage and its applications. The invention provides a methicillin-resistant MRSA bacteriophage SP01, which is identified as a new species. This phage possesses highly efficient lytic ability against MRSA and has a broad host spectrum, showing sensitivity to multiple clinical isolates. Furthermore, phage SP01 exhibits excellent environmental stability, maintaining good activity within a temperature range of 4–40°C and a pH range of 7–11. In summary, this invention allows for the preparation of drugs, disinfectants, and bactericides for treating MRSA infections using phage SP01, addressing the problem of conventional antibiotic ineffectiveness and demonstrating broad application prospects.

This invention belongs to the field of microbial cell lysis and extraction technology, and discloses a highly permeable cationic surfactant microbial lysis buffer and its preparation method. The lysis buffer employs a novel branched alkyl quaternary ammonium salt ester structure, introducing an α-hydroxy ester bond specifically recognized by extracellular lipase at the β-position of the quaternary ammonium nitrogen and the alkyl chain, achieving biodegradability after lysis. The preparation method employs a two-stage sequential lysis process: the first stage utilizes chelating agent microcapsules for slow release in a specific pH environment to pretreat the bacterial cells; subsequently, a stepwise surfactant addition strategy is used to activate and enhance cell membrane permeability; finally, efficient lysis is completed through lipase-catalyzed hydrolysis. This lysis buffer exhibits rapid penetration, high efficiency, targeted and controllable processing, and is environmentally friendly, suitable for the efficient extraction and downstream purification of bacterial proteins, enzymes, polysaccharides, and other intracellular products.