11results about How to "Increase reaction pressure" patented technology

The invention relates to the technical field of battery negative electrode materials, and particularly discloses an artificial SEI film coated negative electrode material as well as a preparation method and application thereof. The artificial SEI film coated negative electrode material comprises a negative electrode material matrix and an artificial SEI film coated on the surface of the negative electrode material matrix; a raw material of the artificial SEI membrane is an artificial SEI membrane glue solution, and a preparation method of the artificial SEI membrane glue solution comprises the following steps: introducing carbon dioxide and hydrogen fluoride into a hydroxymethyl cellulose lithium glue solution until the pH value of a system is 5.5-7.0 to obtain the artificial SEI membrane glue solution. According to the invention, CMC-Li is used as an organic lithium salt component of the artificial SEI membrane, a compact inorganic lithium salt component is introduced by introducing CO2 and HF, and the artificial SEI membrane is similar to a natural SEI membrane in component, so that the first effect and reversible capacity of the negative electrode material are remarkably improved, the rate rapid charge performance and cycle performance are improved, and the commercial value is relatively high.

The invention provides a detection pretreatment method of lepidolite ore, a detection method of lithium, magnesium, potassium, sodium and calcium, application and a digestion container, and relates to the technical field of analysis and detection.The detection pretreatment method of the lepidolite ore comprises the following steps that a sample to be detected and an acid digestion agent are mixed, and a mixture is obtained; sequentially carrying out digestion, acid removal and volume metering to obtain a to-be-detected sample solution; wherein the digestion pressure is greater than the standard atmospheric pressure, and the pressure intensity in the digestion container is increased before digestion so as to increase the digestion reaction pressure, so that the digestion and detection efficiency is improved, and a large amount of acid digestion agent is not required to be used; the problems of long detection pretreatment time, high acid consumption and high analysis cost of the lepidolite ore are solved.

The invention provides a preparation method of ivermectin, and belongs to the technical field of biological medicine preparation. The preparation method of the ivermectin, provided by the invention, comprises the following steps: mixing abamectin, triphenylphosphine rhodium chloride, a catalytic promoter and a solvent, and carrying out a hydrogenation reaction in a hydrogen atmosphere to obtain the ivermectin, the catalytic promoter is tetrabutylammonium bromide. The preparation method provided by the invention has the advantages of small dosage of the catalyst triphenylphosphine rhodium chloride, short reaction time, low production cost and high raw material conversion rate.

The present invention relates to the technical field of battery negative electrode materials, and specifically discloses an artificial SEI film-coated negative electrode material and a preparation method and application thereof. The artificial SEI film-coated negative electrode material comprises a negative electrode material matrix and an artificial SEI film coated on the surface of the negative electrode material matrix; the raw material of the artificial SEI film is an artificial SEI film glue, and the preparation method of the artificial SEI film glue comprises the following steps: carbon dioxide and hydrogen fluoride are introduced into hydroxymethyl cellulose lithium glue until the pH of the system is 5.5-7.0, so as to obtain an artificial SEI film glue. The present invention uses CMC-Li as the organic lithium salt component of the artificial SEI membrane, and introduces a dense inorganic lithium salt component by introducing CO2 and HF. The composition of the artificial SEI membrane is similar to that of the natural SEI membrane, which significantly improves the first effect and reversible capacity of the negative electrode material, improves the rate fast charging performance and cycle performance, and has high commercial value.

This invention discloses a method for preparing a liquid cementitious material and concrete. The method involves pre-hydrating a hydraulic cementitious material at room temperature and pressure. After hydration, a substance to neutralize hydroxides is added to the system. The reaction temperature and pressure are then increased to induce a mechanochemical strengthening reaction, resulting in a liquid cementitious material. This liquid gel material can be used in the production of various solid cementitious materials, improving both early-stage strength and volume stability without affecting later-stage strength and durability.

The present invention provides a production system and process for unsaturated hydrocarbons, the system comprising: a combustion heat storage area, a cracking reaction area, a primary distillation area, a carbon dioxide recovery area, a deacidification area, a C2 / C3 fractionation area, a C2 hydrogenation area, a deep cooling area, and a cold separation area; wherein the cracking reaction area comprises a conical reactor body and a quenching heat exchanger connected to the lower end of the conical reactor body. The present invention shortens the reaction residence time, increases the temperature and pressure of the cracking reaction, and reduces the compression energy consumption and heat exchange energy consumption required for subsequent separation by making the cracking raw material directly contact with the high-temperature flue gas and using a conical reactor.

The invention relates to an energetic medicament for component damage and a preparation method and application thereof, and belongs to the technical field of self-destruction of electronic equipment. Firstly, the addition of the components meets the functional requirements, FEP powder subjected to ozone-ultraviolet radiation treatment is added, the oxidability of FEP is further improved, the reaction activity of the energetic agent is improved, the reaction threshold value is reduced, and meanwhile the reaction pressure is increased; high-melting-point and high-density metal powder such as Ta and Mo is added, so that the jet density of the energetic agent is improved; and fluororubber is added as a binder, so that the compression molding of the block material is facilitated together with FEP. And the requirements of a self-destruction system on high calorific value, low threshold value and enough kinetic energy of the energetic medicament are met. And meanwhile, the forming quality of the block material is guaranteed, and storage, transportation and use are convenient.

The present invention discloses a gasifier, characterized in that it comprises a reaction section and a quenching section, wherein the reaction section comprises a horizontally arranged front reaction section and a vertically arranged rear reaction section, wherein the front reaction section, the rear reaction section and the quenching section are sequentially connected; wherein an inlet for gasifying agent and solid materials to enter is provided at one end of the front reaction section away from the rear reaction section. The present invention has the advantages of good raw material particle size adaptability, high carbon conversion rate, etc.

The utility model relates to carbon dioxide capture technology field, specifically disclose a kind of carbon dioxide capture device, comprising: pretreatment mechanism, pretreatment mechanism includes flue gas exhaust pipe and is installed on the pretreatment component of flue gas exhaust pipe, pretreatment component includes temperature regulating equipment, desulfurization bin and dust bin, carbon capture mechanism, carbon capture mechanism includes the second transmission elbow pipe connected in the lower surface of dust bin, the second transmission elbow pipe is connected with absorption bin away from dust bin one end, absorption bin inside includes amine base compound solution;The device can realize the effect of absorbing carbon dioxide by cooperating with physics and chemistry by setting temperature regulating equipment, desulfurization bin and the pretreatment component of dust bin and absorption bin, finally carbon dioxide sensor detects that carbon dioxide content in flue gas is qualified only to automatically open electromagnetic valve and carry out smoke exhaust operation.

The invention provides a high-temperature boron diffusion process for prolonging the service life of a quartz spare part, and relates to the technical field of TOPCon battery preparation. The process comprises the following steps: heating a silicon wafer to carry out a pre-oxidation process; oxygen and a boron source are introduced, the pressure is adjusted for first boron diffusion deposition, and nitrogen is used for purging after deposition; repeating the steps to carry out second boron diffusion deposition and third boron diffusion deposition; and then purging and propelling are carried out, the temperature is increased again, the pressure is adjusted, oxygen is introduced for post-oxidation treatment, and finally cooling, pressure returning and boat discharging are carried out. According to the method, the oxygen introduction amount is increased in the deposition step, so that the reaction amount of oxygen and the boron source is increased while the consumption of BCL3 is not increased; the reaction pressure is improved, and the pumping speed is reduced, so that the deposition rate is improved, and PN junctions with higher concentration are obtained; in the post-oxidation stage, the temperature and the oxygen introduction amount are reduced, the oxidation time is prolonged, a shallow PN junction can be obtained, oxidation of quartz is reduced, and the service life of quartz spare parts is prolonged.

The invention discloses a method and device for continuously synthesizing N,N-dicyanoethylaniline in a microchannel. Aniline and acrylonitrile are used as raw materials, acid / Lewis acid is used as a catalyst, and water is used as a solvent. A reaction occurs in a microchannel to continuously produce N,N-dicyanoethylaniline. The method increases the Lewis acid content to make the reaction system in a homogeneous state, thereby increasing the reaction rate; hydrochloric acid and excess acrylonitrile dissolve the solid product in situ, solving the problem of solid product blocking the microchannel; increasing the reaction pressure so that the reaction materials are in a liquid phase to improve the contact efficiency of the reaction materials; increasing the buffer tank to increase the service life of the equipment to improve the economic benefits; the process can achieve an aniline conversion rate of nearly 100% and an N,N-dicyanoethylaniline yield of more than 70% within 10 minutes, the residence time is greatly shortened, the production efficiency is greatly improved, and it is conducive to industrial production; in addition, the process is a continuous production process, which is safe and efficient and has broad application prospects.