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47results about How to "Improve cracking efficiency" patented technology

Carbon-silicon negative electrode material as well as preparation method and application thereof

The invention discloses a carbon-silicon negative electrode material and a preparation method and application thereof, and the preparation method comprises the following steps: S1, carrying out mixed reaction on a lithium source compound, a lanthanum source compound and a titanium source compound to obtain a mixed reactant; mixing the mixed reactant with a carbon source compound, and dispersing and emulsifying to obtain element-doped microspheres; s2, carbonizing the element-doped microspheres in the step S1 to obtain carbides, and activating the carbides to obtain a porous carbon material; and S3, performing silicon deposition on the porous carbon material in the S2 to obtain silicon deposition porous carbon, and performing carbon deposition on the silicon deposition porous carbon to obtain the carbon-silicon negative electrode material. The carbon-silicon negative electrode material disclosed by the invention is high in lithium ion transmission rate, the problem of poor electronic conductivity of silicon is solved, and the electrical property of a battery can be effectively improved.
Owner:SHANGHAI SHANSHAN NEW MATERIAL CO LTD

Single-cell protein extraction and hydrolysis process

The invention discloses a single-cell protein extraction and hydrolysis process. The invention discloses a single-cell protein extraction and hydrolysis process which comprises the following steps: S1, adding a chemical reagent into single-cell protein thalli to lyse cells to obtain a cell lysis solution; s2, adding a protein denaturation reagent into the cell lysis solution, and centrifuging to obtain a protein denaturation precipitate; s3, adding a protein dissolving reagent into the protein denaturation precipitate to obtain a protein solution; and S4, adding enzyme into the protein solution, and carrying out protein hydrolysis to obtain a hydrolysate. The method has a wide application prospect, and is expected to promote technical progress and industrial development in related fields.
Owner:WANHUA CHEM GRP CO LTD

Blood genome DNA extraction kit and extraction method

The invention discloses a blood genome DNA extraction kit and an extraction method, and belongs to the technical field of nucleic acid extraction. The DNA extraction kit comprises a lysis solution, a first rinsing solution, a second rinsing solution and an eluent, wherein the lysate is prepared from the following components: 5.5 to 6 M of guanidine hydrochloride, 0.2 to 0.3 M of NaCl, 0.01 to 0.015 M of EDTA (Ethylene Diamine Tetraacetic Acid), 0.01 to 0.015 M of glucan, Triton X-100 with the volume concentration of 1.5 to 2 percent, 0.06 to 0.1 M of dithiothreitol, Tween-20 with the volume concentration of 5 to 10 percent and 10 to 50 mM of trehalose. The components of the lysate in the kit are optimized, through the synergistic effect of the components, the cell lysis efficiency is remarkably improved, meanwhile, DNA molecules higher in purity, more complete in structure and higher in extraction yield can be obtained, and therefore the kit has good application prospects.
Owner:WUHAN HECE GENE TECHNOLOGY CO LTD

DNA and RNA co-extraction reaction reagent, kit and extraction method

The invention relates to the technical field of nucleic acid extraction and purification, in particular to a DNA and RNA co-extraction reaction reagent and an extraction method, the reaction reagent comprises a nucleic acid protective agent RP, a sample lysis binding solution LB, a protein washing solution WB1, a nucleic acid rinsing solution WB2 and a nucleic acid eluent EB; the nucleic acid protective agent RP comprises DTT, mercaptoethanol, TCEP and sodium hydroxide; the sample cracking binding solution LB comprises Tris-HCl, benzenesulfonic acid, sodium citrate, guanidine hydrochloride, guanidine isothiocyanate, guanidine thiocyanate, urea, triton 100, SDS, potassium chloride, sodium chloride, bromhexine, N-acetylcysteine, ambroxol hydrochloride, isopropanol and absolute ethyl alcohol; the protein washing liquid WB1 comprises Tris-HCl, benzenesulfonic acid, sodium citrate, guanidine hydrochloride, guanidine isothiocyanate, guanidine thiocyanate, urea, triton 100, sodium chloride, isopropanol and absolute ethyl alcohol; the nucleic acid rinsing liquid WB2 is prepared from Tris-HCl, sodium chloride, isopropanol and absolute ethyl alcohol; and the nucleic acid eluent EB is nuclease-free water. The reaction reagent can be used for rapidly and sufficiently enriching and purifying DNA and RNA of a sample at the same time.
Owner:GUANGZHOU SHENGRUI BIOTECHNOLOGY CO LTD

Ammonia fuel cracking supply system of gas turbine

The invention provides an ammonia fuel cracking supply system of a gas turbine. The system comprises a liquid ammonia storage tank, a liquid ammonia supply pump, an air vaporizer, a heat exchanger, a first ammonia cracker, a compression and expansion all-in-one machine, the gas turbine and the like. Wherein liquid ammonia is supplied to the air vaporizer through the liquid ammonia supply pump; one end of the heat exchanger is communicated with the air vaporizer, and the other end is communicated with the first ammonia cracker; one end of a compression-expansion all-in-one machine introduced by the system is communicated with the heat exchanger, and the other end is communicated with the gas turbine. The air vaporizer adopts an exhaust heat source to gasify liquid ammonia into ammonia gas. Ammonia gas discharged from the air vaporizer enters the heat exchanger, exchanges heat with cracked gas after cracking to be heated, and then is guided into the first ammonia cracker. Ammonia gas is decomposed into mixed gas of hydrogen and nitrogen in the first ammonia cracker, the mixed gas can enter the heat exchanger, and the mixed gas enters the compression and expansion all-in-one machine after being subjected to heat exchange and cooling in the heat exchanger, and is conveyed to the gas turbine after being pressurized and cooled.
Owner:CHINA UNITED GAS TURBINE TECH CO LTD

Oily sludge treatment system

The invention relates to an oily sludge treatment system which comprises a sludge dewatering and deoiling device, a cyclone separation device and a tail gas treatment device, the sludge dewatering and deoiling device comprises a condensation cavity, a second-stage heating cavity and a first-stage heating cavity which are sequentially arranged in a sleeving manner, the first-stage heating cavity is used for heating and dewatering primary sludge, the second-stage heating cavity is used for heating and cracking oil in the first-stage sludge, and the condensation cavity is used for cooling first-stage gas and second-stage gas; the cyclone separation device comprises a cyclone cylinder and is used for carrying out oil-gas-water separation on the oil-water-gas mixed liquid; the tail gas treatment device comprises a tail gas barrel used for purifying acid waste gas components in tail gas. The oily sludge treatment system realizes integrated treatment of sludge dewatering, oily liquid recovery and tail gas purification, and the sludge dewatering and deoiling device not only realizes continuous operation of water and oil in sludge and improves the sludge treatment efficiency, but also enables the secondary heating cavity to utilize heat of the primary heating cavity and saves the operation treatment cost.
Owner:CHINA OFFSHORE ENG & TECH CO LTD

Reverse-gas spiral powder feeding device and double-circulation collision system and method based on reverse-gas spiral powder feeding device

The invention discloses a reverse-gas spiral powder feeding device and a double-circulation collision system and method based on the reverse-gas spiral powder feeding device, and belongs to the field of material preparation. The reverse-gas spiral powder feeding device at least comprises but not limited to a particle separation device, a secondary circulation pipe and a spiral powder feeding mechanism; the particle separation device is provided with a plurality of outlets according to different particle sizes, and at least comprises a fine particle outlet, a coarse particle outlet and a product particle outlet; the coarse particle outlet is connected with the feeding end of the spiral powder feeding mechanism; the fine particle outlet is connected with an existing particle collision circulating pipeline; the discharging end of the spiral powder feeding mechanism extends into an existing particle collision circulating pipeline. The collision speed of the mixed target collision powder is increased, the collision energy is improved, and the problems that the speed difference of the mixed target collision powder is low, and the collision effect is poor are solved.
Owner:INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT

Method for lysing foodborne pathogenic bacteria and application thereof

The present application relates to the technical field of food safety, and particularly relates to a low-power water bath ultrasonic foodborne pathogenic bacteria lysis method and application thereof. The present application uses a low-power water bath ultrasonic machine, adds ABS small balls with a size of about 1 mm in a solution sample, uses ultrasonic to cause high-frequency vibration of the ABS small balls, and the local high sound pressure field and high-density cavitation field generated by the vibration can rapidly lyse bacteria. Meanwhile, the movement of the small balls can accelerate the rapid material exchange of the solution at different positions in the tube, so that 1 mL of the to-be-tested bacterial sample can be lysed within 3 minutes. The method provided by the present application has high lysis efficiency and short time consumption. When applied to foodborne pathogenic bacteria detection, nucleic acid purification and enrichment of the lysis liquid are not needed, the time and labor cost required for nucleic acid detection can be greatly shortened, and a new method of efficient, economical and practical bacterial lysis and nucleic acid extraction is provided for the field of food safety detection.
Owner:CHINA AGRI UNIV

A gas splitting source

The present application relates to a kind of gas cracking source, including shell, shell top is provided with cracking source front end cover, support part and hot wire are arranged in the shell interior, and cracking source front end cover is formed with the slit gas path with support part;The top of the shell is provided with beam plate, and beam plate is provided with beam flow hole;The bottom of the shell is provided with venturi structure.The beam flow hole is evenly distributed along the circumference of beam plate, and the sum of the area of beam flow hole is greater than the cross-sectional area of slit gas path;Beam flow hole and the middle axis of beam plate have included angle, so that the direction of air flow after rectification reduces the number of collision with shell inner wall surface and support part as far as possible.By beam flow hole as guiding structure, the collision probability of molecule and hot wire is increased, and beam plate rectifies the molecular flow entering the cracking furnace interior in each direction, so that it can be guided to the surface of hot wire more quickly after entering the cracking cavity interior, and the conversion of molecule to atom is realized after effective collision, and the efficiency and rate of cracking are improved.
Owner:NORTHEASTERN UNIV CHINA

Laser device and laser treatment instrument

The utility model discloses a kind of laser device and laser therapeutic instrument, including first laser, second laser, beam synthesis subassembly and optical fiber;The first laser is used for emitting holmium laser towards the beam synthesis subassembly;The second laser is used for emitting thulium laser towards the beam synthesis subassembly;The beam synthesis subassembly is used to beam combining the holmium laser emitted by the first laser and the thulium laser emitted by the second laser into mixed light beam, and the mixed light beam is output to the optical fiber.Wherein, laser device can generate the mixed light beam of holmium laser and thulium laser when working to beam combining, and mixed light beam is guided to target position (such as the region needing treatment) by optical fiber, so that corresponding treatment can be carried out using mixed light beam, so that the treatment effect of holmium laser and thulium laser can be considered.
Owner:崔心刚 +1

Vapor deposition equipment

The utility model discloses vapor deposition equipment which comprises a reaction cavity, a gas spraying head arranged on the upper side of the interior of the reaction cavity, a base arranged opposite to the gas spraying head and an ammonia gas cracker, the upper surface of the base is used for bearing a substrate, the ammonia gas cracker comprises a laser transmitter and an ammonia gas input pipeline, and the ammonia gas input pipeline is used for inputting ammonia gas into the reaction cavity. The laser transmitter is arranged above the gas spraying head, and a gas outlet section of the ammonia gas input pipeline is arranged in the gas spraying head; the ammonia gas input pipeline transmits ammonia gas to a laser light path emitted by the laser emitter, the laser irradiates the ammonia gas to promote the cracking reaction of the ammonia gas, and groups generated by cracking of the ammonia gas are diffused to the surface of the substrate and are subjected to deposition reaction with reaction gas on the surface of the substrate; according to the scheme, sufficient ammonia cracking groups still react with the reaction gas at a relatively low heating temperature, so that the heating temperature of the heater is reduced, and the energy consumption is reduced.
Owner:ADVANCED MICRO FAB EQUIP INC CHINA

A Micro-Platform for Rapid Electrolysis and High-Sensitivity Electrochemical Nucleic Acid Detection of Cryptococcus and Its Application

This invention belongs to the field of fungal detection technology, specifically relating to a micro-platform for rapid electrolysis and highly sensitive electrochemical nucleic acid detection of Cryptococcus neoformans and its application. The micro-platform includes an integrated microfluidic chip, an external power supply, a sample introduction system, and / or an imaging system. The integrated microfluidic chip includes an electrolysis region, an electrochemical detection region, and an electrode array region. The electrolysis region includes multiple vertically arranged counter electrodes arranged in pairs, and multiple horizontally arranged hollow channels in a serpentine pattern, bonded to the electrode pairs above them. The connection point between every two electroporated channels is the electroporation lysis point. The electrochemical detection region consists of a working electrode, a reference electrode, and a counter electrode. The working electrode is modified with rGO / AuNPs nanomaterials and molecular probes.
Owner:BEIHANG UNIV +1

Carbon dioxide fracturing optimization method based on real properties of post-combustion gas and related equipment

PendingCN122598830AImprove calculation accuracyImprove physical realism
The present application belongs to the field of carbon dioxide fracturing and computer technology, and provides a carbon dioxide fracturing optimization method based on the real physical properties of the mixed gas after combustion and related equipment, wherein the method comprises the following steps: based on the volume of the fracturing device, the mass of CO2 and the information of the heat releasing material, the components, mass, energy of the mixed gas and the initial energy of the fracturing device are calculated; the final state pressure after connection is obtained through a constant volume test system, and the combustion ratio and the actual released energy of the system are back calculated by combining the volume parameters of the fracturing device and the container, the components, mass and energy of the mixed gas after combustion of the heat releasing material; the working energy of the fracturing device is determined according to the actual released energy; and the regression model is constructed by taking the working energy and the combustion ratio as the target variables and combining the mass of CO2, the mass of the heat releasing material and the thickness of the energy releasing sheet, so as to realize the accurate optimization of the key parameters of the fracturing device. The present application can predict the working energy, reduces the preparation time of the carbon dioxide fracturing device and the consumption of the heat releasing material, and improves the working efficiency.
Owner:CENT SOUTH UNIV

Medical solid waste full-automatic treatment device adopting dynamic heat energy cracking

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.
Owner:AIXIN SMART MEDICAL TECHNOLOGY DEVELOPMENT (JIANGSU) CO LTD

Silicon consumption reduction process suitable for polycrystalline silicon production and polycrystalline silicon production process

The invention belongs to the technical field of polycrystalline silicon production, and discloses a silicon consumption reduction process suitable for polycrystalline silicon production and a polycrystalline silicon production process, and the silicon consumption reduction process at least comprises the following operations: collecting waste gas from a rectification process, a recovery process, a reduction process, a trichlorosilane synthesis process and a cold hydrogenation process; feeding a material obtained by pressurizing and cryogenic cooling the waste gas into a system rectifying tower for treatment; the method comprises the following steps: feeding hydrogen chloride gas produced by a hydrogen chloride synthesis furnace in a trichlorosilane synthesis process into a high-boiling cracking kettle of a system to participate in catalytic cracking reaction of high-boiling residues; and fine silicon powder overflowing from the cold hydrogenation fluidized bed reaction furnace is collected for secondary reuse. On the basis of the existing polycrystalline silicon production process flow, different wastes of silicon and silicon compounds are effectively recovered and utilized, so that the silicon consumption and chlorine consumption of the system can be effectively reduced, and the aims of saving energy, reducing consumption and reducing the production cost of polycrystalline silicon are fulfilled.
Owner:SICHUAN YONGXIANG POLY SILICON

Plasma cracking furnace

The invention relates to the technical field of smelting furnaces, and discloses a plasma cracking furnace which comprises a shell, the inner wall of the shell fixedly communicates with a water outlet pipe, the bottom of the shell fixedly communicates with a water inlet pipe, the outer wall of the shell is fixedly connected with a reduction bin, and the top of the reduction bin fixedly communicates with a collecting pipe. The bottom of the reduction bin is fixedly communicated with a first connecting pipe, the top of the reduction bin is fixedly communicated with an air inlet, the buffer bin is arranged in the shell, and a flow guide mechanism is arranged in the isolation bin. Gas obtained after combustible gas is recycled and combusted is guided into the collecting pipe through the backflow pipe, high temperature generated by cracking in the cracking furnace and carbon deposition in the collecting pipe are subjected to a reduction reaction, the concentration of the combustible gas is increased, the carbon deposition in the collecting pipe is reduced, meanwhile, the combustible gas of combustion supplementation components is collected and refluxed, secondary combustion is conducted, and the combustion efficiency is improved. And combustible gas generated in the cracking furnace is fully utilized.
Owner:ZHUJI KEYU ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Solid household garbage cracking condenser

ActiveCN222274461UImprove cracking capacityImprove cracking efficiencyOven incrustations prevention/removalIndirect heating destructive distillationElectric machineDrive motor
The utility model discloses a solid waste household garbage cracking condenser, and relates to the technical field of solid waste household garbage cracking, in particular to the solid waste household garbage cracking condenser which comprises a base, a treatment box is fixedly installed at the top of the base, a stirring shaft is rotationally connected into the treatment box, a stirring frame is fixedly installed on the outer side of the stirring shaft, and the stirring frame is fixedly installed on the outer side of the stirring shaft. A driven belt wheel is fixedly mounted at one end of the stirring shaft, a motor frame is fixedly mounted on one side of the treatment box, a driving motor is fixedly mounted at the top of the motor frame, and a driving belt wheel is fixedly mounted at the output end of the driving motor. According to the solid waste household garbage cracking condenser, through the arrangement of the stirring frame, the solid waste household garbage cracking condenser has the effect of conveniently turning over solid waste household garbage, so that the effect of relatively high cracking effect is achieved, and the purpose of improving the cracking efficiency is achieved.
Owner:HENAN LANNING TECH CO LTD

Thyroid nodule puncture sample DNA and RNA extraction method and kit

PendingCN121780512Areduce dosageAddressing sample size limitationsDNA preparationEdetic AcidRadiology
The invention discloses a thyroid nodule puncture sample DNA and RNA extraction method and a kit, and relates to the technical field of biology. The kit comprises a lysis solution and a nucleic acid protective agent, the lysate is prepared from guanidine hydrochloride, guanidine isothiocyanate, sodium citrate, lauryl sodium sulfate, ethylenediamine tetraacetic acid, Nonet P-40, polyvinylpyrrolidone, Triton X-100 and tris (hydroxymethyl) aminomethane; the nucleic acid protective agent is composed of dithiothreitol and tris (2-carboxyethyl) phosphine. According to the kit provided by the invention, the extraction efficiency is improved, and the flexibility of sample treatment is improved by optimizing the components of the lysis solution, increasing the lysis efficiency of different tissue quantities, jointly using the nucleic acid protective agent and inhibiting the nuclease activity in a sample, so that the individual detection requirements of more patients can be met. Through the application of the nucleic acid protective agent, the operation steps are simplified, and the safety is enhanced.
Owner:BEIJING SINOMDGENE TECH CO LTD +1

A high-efficiency downdraft biomass gasification device

The present invention relates to the technical field of gasifiers, and in particular to a high-efficiency downdraft biomass gasification device, wherein the furnace core includes a gasification reactor and a feed barrel, and a first cavity is provided between the feed barrel and the gasification reactor. After the material enters the feed barrel, it is dried and cracked in the feed barrel, and the material and the gasifying agent in the oxidation zone are fully mixed to generate oxidation combustion and high temperature. The temperature of the first cavity rises accordingly, thereby performing high-temperature drying and cracking on the surrounding of the feed barrel. The discharge opening at the bottom of the feed barrel extends to the oxidation zone, and the combustion high temperature directly enters the feed barrel, directly drying and cracking the biomass, thereby improving the drying and cracking efficiency. The air inlet of the present invention is arranged above the oxidation zone, and there is sufficient gasifying agent in the first cavity. The feed barrel extends to the oxidation zone, and the biomass raw material falls in an arc shape, and the biomass is fully and evenly mixed with the gasifying agent during the falling process. The gas inlet of the present invention is arranged between the reduction zone and the charcoal slag zone, and the gas enters the gas pipeline after being filtered through the charcoal slag layer.
Owner:吉玲

Vibrio canbainii bacteriophage VCP11AVCGD4 as well as composition and application thereof

The invention discloses a vibrio cantoniensis phage VCP11AVCGD4 as well as a composition and application of the vibrio cantoniensis phage VCP11AVCGD4, the vibrio cantoniensis phage VCP11AVCGD4 is preserved in Guangdong Microbiological Culture Collection Center on November 24, 2025, the preservation number of the vibrio cantoniensis phage VCP11AVCGD4 is GDMCC NO. 67343-B1, and the vibrio cantoniensis phage VCP11AVCGD4 is classified and named as Vibrio campbelli phage VCP11AVCGD4. The vibrio canbainii bacteriophage VCP11AVCGD4 provided by the invention can keep relatively high activity for a long time under the condition of 75 DEG C, is helpful to tolerate the process links of high-temperature granulation, spray drying and the like in a feed processing process and the high-temperature environment of an aquaculture water body in summer or during special treatment, and ensures the biological activity and efficacy of the vibrio canbainii bacteriophage VCP11AVCGD4 in a final product.
Owner:EMMEFEI (NANJING) BIOTECHNOLOGY CO LTD

A method for extracting nucleic acid based on magnetic beads

The present invention provides a method for extracting nucleic acid based on a magnetic bead method, comprising the following steps: step one, surface modification of magnetic beads; step two, preparation of magnetic bead suspension; step three, sample lysis and incubation; step four, magnetic adsorption; step five, washing and removing impurities from magnetic beads. The present invention obtains phospholipid bilayer magnetic beads by surface modification of magnetic beads, which can reduce the interfacial tension between nucleic acid and magnetic beads, making it easier for nucleic acid to contact and bind with the surface of magnetic beads. The present invention uses a lysis solution of specific components and combines with ultraviolet light irradiation during sample lysis and incubation. By modifying the surface of magnetic beads and using a specific lysis solution for lysis and incubation, the magnetic beads of the present invention have a high degree of specific binding to nucleic acids, and only one washing is required, eliminating the elution step, and the obtained magnetic bead-nucleic acid complex can be directly used as a subsequent nucleic acid detection target, reducing the loss and dilution of nucleic acid caused during multiple washing and elution processes, and improving the concentration and purity of nucleic acids.
Owner:ALBATROSS BIOTECHNOLOGY (GUANGZHOU) CO LTD

A microwave drill bit for deep hard rock borehole-wall-borehole-end drilling while drilling fracturing and a method of use

A kind of deep hard rock hole wall-hole end while drilling fracturing microwave drill bit and method, including microwave drill bit, microwave drill bit is successively equipped with support frame front plate, metal sleeve and water inlet ring, metal sleeve is connected with the rotary drive I installed on support frame front plate, microwave drill bit is connected with microwave mode converter and microwave shunt II respectively, microwave mode converter and microwave shunt II are connected with microwave shunt I by rectangular waveguide respectively, microwave shunt I is successively connected microwave rotary joint, fixed waveguide and microwave generating device, microwave rotary joint is connected with the rotary drive II installed on support frame rear plate;Support frame front plate, support frame rear plate and microwave generating device are installed on the equipment mobile platform of fixed base, counterforce support of fixed base is connected between support frame front plate by driving, the present application realizes hard rock fast drilling while hole wall rock mass fracturing release stress, improves the efficiency of microwave stress release technology.
Owner:NORTHEASTERN UNIV CHINA

Device and method for preparing chemicals by directly cracking crude oil

The invention discloses a device and a method for preparing chemicals by directly cracking crude oil. One end of the reaction tube penetrates through the top wall of the spouted bed and extends into the spouted bed; the flow guide pipe is arranged in the spouted bed and is communicated with the air inlet, and the flow guide pipe corresponds to one end, extending into the spouted bed, of the reaction pipe; the first induction heating device and the second induction heating device are respectively arranged on the outer wall of the vertical part of the reaction tube and the outer wall of the spouted bed; the input end of the separator is communicated with one end, far away from the spouted bed, of the reaction tube; the first output end of the separator is communicated with the input end of the cooling and separating device, and the second output end of the separator is communicated with the fine coke particle storage area; the first output end of the cooling and separating device is communicated with the cracking product area, the second output end of the cooling and separating device is communicated with the gas inlet, and the third output end of the cooling and separating device is communicated with the nozzle. The continuous fluidized discharge of the second coarse coke particles generated by the crude oil is realized, the coking tendency in the reaction tube is reduced, and the cracking and operation efficiency is improved.
Owner:XI'AN PETROLEUM UNIVERSITY

A high pressure ammonia cracking system and method of a plasma coupled catalyst

ActiveCN117816071BImprove cracking efficiencyincrease in size
The application discloses a high-pressure ammonia cracking system and method of a plasma coupling catalyst, and the system comprises a control unit, an ammonia fuel supply system, a driving power supply, a cracker, a heat exchange module, a cooling and separating chamber and an ammonia hydrogen supply end; the ammonia fuel supply system is connected with the cracker, liquid ammonia is sent into a cooling jacket of the cracker, and then preheated by the heat exchange module; the preheated ammonia gas is sent into the cracker to be subjected to plasma cracking and thermal cracking; the high-temperature hydrogen, nitrogen and ammonia mixed gas after the cracking is sent into the heat exchange module to provide heat for the preheated liquid ammonia; then the mixed gas is subjected to cooling and hydrogen separation and purification in the cooling and separating chamber; the prepared hydrogen is sent into the ammonia hydrogen supply end; and the control unit is connected with the ammonia fuel supply system, the driving power supply, the heat exchange module and the cooling and separating chamber and is used for regulation and control. The application greatly improves the cracking efficiency of ammonia; more power is not needed, so that the dependence of the whole device on electricity is reduced; and the whole device is allowed to operate at a higher working gas pressure.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Preparation method and application of auxiliary broken wall nanometer magnetic beads for extracting archaea DNA

PendingCN122588076AIncrease release rateHigh extraction purity
The application relates to the technical field of archaea DNA extraction, in particular to a preparation method and application of auxiliary wall-breaking nanometer magnetic beads for archaea DNA extraction. The method comprises the following steps: (1) constructing an inverse emulsion droplet microfluidic chip: washing, drying and hydrophobic modification treatment are performed on a PDMS base material to prepare a microfluidic chip; (2) preparing an inverse microemulsion system: the continuous phase and the dispersed phase are respectively pumped into the microfluidic chip at a predetermined flow rate, so that Fe 2+ and Fe 3+ undergo a coprecipitation reaction to generate Fe3O4 nanoparticles; (3) maturation crystallization; (4) demulsification separation and washing; and (5) drying to obtain auxiliary wall-breaking nanometer magnetic beads. The method has the beneficial effect of solving the problems in the prior art that the cell wall is difficult to effectively break, the DNA release rate is low, the extraction purity is poor, the repeatability is insufficient and the standardization and continuous preparation are difficult to realize when DNA extraction is performed on archaea samples in extreme environments.
Owner:SHANDONG PETROCHEMICAL INST +1

Active coke tail gas treatment system and method

ActiveCN115945020BEfficient removalImprove gas qualityDust controlCoke
This invention discloses an activated coke production tail gas treatment system and method. The tail gas treatment system includes a dust removal unit, a tar removal unit, and a heat exchange unit. The dust removal unit removes dust from the tail gas. The inlet of the tar removal unit is connected to the outlet of the dust removal unit via a first pipeline, and a first valve is installed on the first pipeline. The hot-side inlet of the heat exchange unit is connected to the outlets of the dust removal unit and the tar removal unit via second and third pipelines, respectively, and a second valve is installed on the second pipeline. The hot-side outlet of the heat exchange unit is connected to an oil storage tank and a desulfurization and denitrification unit via fourth and fifth pipelines, respectively, and a third valve is installed on the fourth pipeline and a fourth valve is installed on the fifth pipeline. The activated coke production tail gas treatment system of this invention can select different tail gas treatment paths according to different tail gas composition characteristics and actual needs, resulting in clean and efficient operation.
Owner:HUANENG JIAXIANG POWER GENERATION CO LTD +3

Efficient cracking reaction system for tetrafluoroethylene production

The utility model relates to the field of chemical equipment, and provides an efficient cracking reaction system for tetrafluoroethylene production, which comprises a pi-type reactor, an R22 gas inlet pipe, a steam inlet pipe and a heating furnace for heating the gas inlet pipe, and the proportional control module is used for controlling the air inlet flow of the R22 air inlet pipe and the steam inlet pipe. The Pi-type reactor disclosed by the utility model has the beneficial effects that the mixer is arranged between the steam inlet pipe and the Pi-type reactor body and can be used for fully and uniformly mixing R22 and steam, so that the cracking efficiency is improved, the conversion rate and the selectivity can reach the level of the existing device, and the effect of improving the yield is achieved; the raw materials are fully mixed in the nozzle pipe and finally enter the pi-type reactor body through the conical expansion pipe to react, so that the two materials are more fully mixed, uniform distribution of cracking heat is ensured, and a relatively proper conversion rate and relatively high selectivity of R22 are powerfully ensured.
Owner:LIAOCHENG FUER NEW MATERIAL TECH CO LTD

A process for catalytic cracking of organosilicon high boilers

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.
Owner:JIANGXI BLUESTAR XINGHUO SILICONE CO LTD +1

Composite pathogen cracking device

ActiveCN222524550UAchieve grinding and breaking wallsImprove cracking efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsElectric machineBiology
The utility model provides a combined type pathogen cracking device which comprises a device support, a chip bearing platform is erected on the device support, the top face of the chip bearing platform is used for fixing a pathogen cracking and nucleic acid extraction micro-fluidic chip, and a magnetic rotating assembly is further arranged on the chip bearing platform. The magnetic rotating assembly comprises a rotating motor and a rotating magnet connected to a rotating shaft of the rotating motor, a heating piece is arranged on the chip bearing platform, and the heating piece is used for heating a sample liquid pipe in the pathogen splitting decomposition and nucleic acid extraction micro-fluidic chip arranged on the chip bearing platform. According to the utility model, a thermal cracking mode is combined while mechanical cracking of pathogens is realized, so that the cracking efficiency of the pathogens can be obviously improved, and the requirements of instant field detection and inspection can be met.
Owner:BEI JING XI ZHI SHENG WU KE JI YOU XIAN GONG SI

Power transmission line deicing device

The utility model discloses a power transmission line deicing device, which relates to the technical field of power transmission line maintenance and comprises a shell, two fixed wheels arranged on the inner top wall of the shell along the length direction of the shell, a linear transmission mechanism positioned between the two fixed wheels and capable of moving along the vertical direction of the shell, and two extrusion pieces positioned in the shell and capable of moving along the vertical direction of the shell. The extrusion part is used for bending the power transmission line and comprises an adjusting wheel and a connecting rod, the adjusting wheel is rotationally arranged on the inner bottom wall of the shell in the length direction of the power transmission line and located between the two fixed wheels, the height of the top end of the adjusting wheel is lower than that of the bottom ends of the fixed wheels initially, and one end of the connecting rod is rotationally connected to the adjusting wheel. By setting the adjusting wheel as a rotatable lifting structure and combining a multi-point arrangement mode, the power transmission line is bent and deformed at multiple positions at the same time, the disturbance effect of an ice layer can be remarkably enhanced, the cracking efficiency of an ice coating layer can be improved, and the overall deicing performance of the deicing device can be improved.
Owner:陈宇