19results about How to "Large reserves" patented technology

The invention provides a lignite-based supercapacitor activated carbon electrode material and a preparation method thereof, and belongs to the technical field of electrochemical power supply material preparation. The preparation method comprises the following steps: S1, performing hydrochloric acid pickling on lignite raw coal powder for X2 hours, performing hydrofluoric acid pickling for X2 hours, and heating a calcium phosphate solution for deoxidation to obtain pretreated lignite; s2, uniformly stirring and mixing the pretreated lignite, an alkaline activator and deionized water according to the mass ratio of 1: X4: (5-10) to obtain a mixture; s3, activation is conducted, the activation temperature is X1 DEG C, and the activation time is X3 h; cooling to obtain a roasted product; s4, acid pickling with diluted hydrochloric acid; the specific capacitance of the active carbon electrode material is Y F / g, wherein Y = a + b * X1 + c * X2 + d * X3 + e * X4-f * X1 * X2 + g * X1 * X3 + h * X1 * X4 + i * X2 * X3 + j * X2 * X4 + k * X3 * X4-l * X12-m * X22-n * X32-o * X42. The preparation method is simple, the cost is low, the process repeatability is good, the prepared porous carbon has a high specific surface area, and the power density and the cycling stability of the supercapacitor are improved.

The invention belongs to the technical field of heat-insulating bricks, and particularly relates to a heat-insulating refractory brick and a preparation method thereof. The heat-insulating refractory brick is prepared from the following raw materials in percentage by mass: 20-60% of secondary quartzite aggregate of 0.5-0.1 mm, 30-70% of secondary quartzite fine powder of less than 0.1 mm, 5-10% of clay and 3-10% of a mineralizer, 30-40% of modified straw powder and 3-5% of a binding agent are additionally added. The heat-insulating refractory brick disclosed by the invention is excellent in high-temperature volume stability, low in preparation cost, small in volume density and light in weight, the apparent porosity is up to 60%, and the requirements of the heat-insulating refractory brick for a high-temperature kiln are met.

The invention relates to the technical field of compressed natural gas automobiles, and discloses a 35MPa compressed natural gas supply system and method for an automobile, and the system comprises a gas cylinder cabin, a gas filling cabin and an engine cabin; a plurality of carbon fiber fully-wound gas cylinders with the rated pressure of 35MPa are mounted in the gas cylinder cabin; a cylinder valve is integrated with a flow sensor, a temperature sensor and a pressure sensor; a gas filling port, a one-way valve, a high-pressure pressure gauge, a high-pressure stop valve, a high-pressure precision filter and a pipeline overcurrent protection valve are mounted in the gas filling cabin, the one-way valve and the high-pressure stop valve are jointly connected to one end of the pipeline overcurrent protection valve, and the other end of the pipeline overcurrent protection valve is connected with a high-pressure gas storage bottle; a high-pressure electromagnetic valve and a high-pressure pressure reducer are mounted in the engine compartment; the other end of the high-pressure electromagnetic valve is connected with the high-pressure precision filter; according to the scheme, the cabin thought design is adopted, the integration and modularization degree is high, the combination requirements of different gas cylinder sets can be met, installation and layout of different vehicle types are facilitated, a 35 MPa compressed natural gas automobile can be smoothly implemented, and the scheme is particularly suitable for being used by a 35 MPa compressed natural gas truck.

The utility model discloses a ship low-carbon power device coupled with wind and light pressure storage. The ship low-carbon power device comprises a photovoltaic power generation device; a wind power generation device; the supercritical carbon dioxide Brayton cycle device comprises a compression structure, an intercooler, a high-pressure storage tank, a reheater, a turbine and a low-pressure storage tank which are sequentially connected to form a carbon dioxide circulation loop. Wherein the number of the reheaters is at least two, and the reheaters comprise the first reheater and the second reheater which are sequentially arranged in the flowing direction of carbon dioxide; the diesel engine is used for supplying power to a power grid on the ship and the compression structure; the output ends of the photovoltaic power generation device and the wind power generation device are respectively connected with the power grid and the compression structure; the first turbine and the second turbine are connected with a power grid; and the second reheater is connected with a flue gas output port of the diesel engine so as to recover waste heat in the flue gas. The ship low-carbon power equipment coupled with wind, light and pressure storage can realize stable supply of ship electric power while reducing carbon and pollution.

The application discloses a high-precision quick-switching continuous sandwich plate production line, which comprises a lower plate uncoiling and profiling system, an upper plate uncoiling and profiling system, an upper steel plate transition roller way, a double-track pressure curing machine, a lower roller way, a tracking cutting saw, a cooling bed, a stacking machine, a packing machine, a first mineral wool supply system and a second mineral wool supply system, and the core of the application is that the lower plate uncoiling and profiling system and the upper plate uncoiling and profiling system are installed by exchanging positions, the lower plate uncoiling and profiling system is arranged at the front end of the upper plate uncoiling and profiling system, and part of the upper steel plate transition roller way and the lower profiling machine transverse moving system are cancelled, so that the lower plate uncoiling and profiling system is not interfered by the upper steel plate transition roller way, the plate type can be directly switched by using a crown block to hoist and switch the roller frame assembly of the lower profiling machine, the step of moving the lower profiling machine out of the line to switch the specifications is omitted, the investment cost of the production line is greatly reduced, the use area of the workshop is saved, and the switching of the specifications is more accurate and quick.

The invention discloses a preparation method and application of a bimetallic MOF-CMC aerogel composite material, the preparation method comprising the following steps: pyrolyzing PET plastic by a hydrothermal method to obtain terephthalic acid; dissolving cobalt metal salt, nickel metal salt and terephthalic acid in a DMF solution to obtain a clear solution, wherein the molar ratio of the total amount of the cobalt metal salt and the nickel metal salt to terephthalic acid is 1:3 to 3:1; placing the CMC aerogel in a stainless steel reactor, adding the obtained clear solution, and reacting at 80 to 160°C for 12 to 20 hours; after the reaction is completed, washing the obtained primary product with DMF for multiple times, activating it with alcohol within two days, and then freezing and drying it to obtain a nickel-cobalt bimetallic MOF-CMC aerogel composite material. The composite material prepared by the present invention can improve the adsorption capacity of the adsorbent, reduce costs, and solve the problem of plastic pollution.

The present invention provides a brominated epoxy resin bio-based derivative, a preparation method and an application thereof, which solve the problem that the existing brominated epoxy resin is completely derived from petroleum and relies on non-renewable petroleum resources. A brominated epoxy resin bio-based derivative containing a carbon fifteen flexible group with Br and P synergy is synthesized, and has a structural formula of the following formula (I): #imgabs0#, wherein R1 and R2 are independently a bond-line structure shown in any one of the following formulas (II), (III), (IV) and (V): or, R1 and R2 are independently a bond-line structure shown in any one of the following formulas (V), (VII), (VIII) and (IX): #imgabs1#. The present invention also discloses a preparation method and an application of the brominated epoxy resin bio-based derivative, which can be widely used in the field of polymer material technology.

The invention discloses an efficient and energy-saving heating furnace, and belongs to the field of heating equipment. The air gathering assembly comprises a mounting disc, a fire pulling barrel and an air gathering barrel, the disc face of the mounting disc is perpendicular to the axial direction of the furnace barrel and fixed to the inner wall of the upper portion of the furnace barrel, fire outlet holes are formed in the mounting disc, the upper end of the fire pulling barrel is connected with the inner walls of the fire outlet holes, and the outer side wall of the upper portion of the combustion chamber is sleeved with the lower end of the fire pulling barrel. A plurality of third ventilation holes are uniformly formed in the side wall of the upper part at intervals in the circumferential direction; the upper end of the wind gathering cylinder is connected with the mounting disc, and the lower end of the wind gathering cylinder is connected with the outer top wall of the base on the peripheral side of the second ventilation holes. Cold air can enter the air gathering barrel through the second ventilation holes and then flow into the inner cavity of the upper portion of the fire pulling barrel through the third ventilation holes in the upper portion of the fire pulling barrel, the air flowing speed of the upper portion of the fire pulling barrel is increased, and therefore the rising speed of hot air in the fire pulling barrel is increased, flames are more vigorous, fuel combustion is more sufficient, and the heat utilization rate is higher.

The utility model discloses an energy accumulator, which relates to the technical field of fluid energy storage equipment and comprises an energy accumulator body, a piston, a heavy hammer and an air bag, the energy accumulator body comprises an energy accumulator cylinder body; the lower portion of the energy accumulator cylinder body is provided with an oil inlet connector, an oil discharge connector and an oil supply port, and the upper portion of the energy accumulator cylinder body is provided with an oil recovery port. The piston, the heavy hammer and the air bag are arranged in the energy accumulator cylinder body; the heavy hammer is arranged above the piston; an air bag is arranged in a central groove in the lower part of the piston; the piston lifting device comprises a driving unit and a pulley mechanism; the driving unit is connected with the pulley mechanism, and the pulley mechanism is connected with the piston, so that when the piston, the air bag and the heavy hammer act together, the effect of the heavy hammer energy accumulator which assists in increasing the pressure regulating reaction speed through the air bag is achieved; or when the driving unit, the pulley mechanism, the piston, the heavy hammer and the air bag act together, the effect of the heavy hammer energy accumulator which can adjust the output pressure through the driving unit and can assist in improving the pressure adjusting reaction speed through the air bag is achieved.

The application belongs to the field of sodium ion battery negative electrode materials, and particularly relates to a method for preparing hard carbon material from coal and application thereof. The hard carbon material is prepared by using high-reserve coal as raw material and adopting a low-cost process. The hard carbon material obtained through special gas-phase carbon deposition process treatment has the characteristics of high initial coulombic efficiency, high reversible specific capacity and the like. The material is used as a negative electrode and applied to a sodium ion battery, so that the cost of the sodium ion battery is reduced, the energy density of the sodium ion battery is improved, and the full battery shows excellent performance.

This invention discloses a high-lubricant-content epoxy resin anti-icing coating material, the components of which include: 3.21~111.3 parts by weight of organic amine, 2.35~36.52 parts by weight of isocyanate, 22.22~591.30 parts by weight of lubricant, 0~27.78 parts by weight of hydrophobic nanoparticles, 100 parts by weight of epoxy resin, 25.71~41.03 parts by weight of curing agent, 0~2.86 parts by weight of accelerator DMP-30, and 59.52~4927.54 parts by weight of organic solvent. This invention also provides a method for preparing the above coating material and its application. The coating material, its preparation method, and its application of this invention solve the problems of poor lubricant binding capacity and low storage capacity of existing anti-icing coating materials through polymer entanglement and urea adsorption, reducing ice adhesion strength to 10-50 kPa, while simultaneously possessing hydrophobicity, mechanical strength, and durability.

The application relates to the technical field of medical teaching, in particular to an AI-based medical image intelligent teaching platform, which comprises an image acquisition unit, a question storage unit, a statistical unit, a comparison unit and an analysis unit. Whether the storage data of a corresponding sub-class question is qualified is determined based on a contour difference representation value, and when it is determined that the storage data of a single sub-class question is abnormal, the storage data in the image acquisition unit is adjusted based on a disease detail quantitative parameter and an image transverse comparison parameter, including adjusting a preset acquisition period of the image acquisition unit to obtain medical images to a corresponding value, adjusting the storage amount of medical images for a single sub-class question to a corresponding value, or adjusting the definition of medical images for a single sub-class question to a corresponding value. Whether the storage data of each sub-class question is qualified is monitored based on the analysis result of abnormal return data of a user, and the storage data in the image acquisition unit is adjusted according to the analysis result, so that the management efficiency of teaching resources is improved.

The invention discloses an ion-selective membrane, a composite liquid perchlorate ion-selective electrode and application, and belongs to the technical field of ion-selective electrodes. The membrane is prepared from the following raw materials: an ion carrier, an ion exchanger, a plasticizer and a membrane matrix, wherein the ion carrier comprises one, two or more than two of m-tetraphenyl porphyrin ferric chloride, tetra-p-chlorophenyl porphyrin iron and m-tetra (pentafluorophenyl) porphyrin ferric chloride, and the ion selective membrane has better selectivity on ClO4 <->.

The invention relates to an MgO-based slag stopper castable for converter steelmaking and tapping, which comprises a castable aggregate and a binding agent, and the castable aggregate comprises the following components in parts by weight: 50-60 parts of dead burnt magnesia; 15 to 25 parts of goose warming stone; 8-15 parts of slag powder; 5-10 parts of coke powder; 5 to 10 parts of bentonite; the binding agent comprises the following components in parts by weight: 35-45 parts of phenolic resin; 15 to 25 parts of epoxy resin; 10 to 20 parts of polyurethane resin; 5 to 10 parts of polystyrene; 0-5 parts of organic silicon powder; 0-5 parts of diphenyl ether; 3-5 parts of sodium alginate; 2 to 5 parts of cyclohexanone peroxide; 1-5 parts of cobalt naphthenate; the weight percentage ratio of the castable aggregate to the binding agent is 100: (1.5-2.5). The novel castable has the beneficial effects that the novel castable which takes dead burnt magnesia as a main material and is added with a certain amount of goose warming stone as a weight increasing aggregate has the advantages of high low-temperature strength and high-temperature strength, good thermal shock resistance, short manufacturing period and the like, and the dead burnt magnesia, the goose warming stone material, the slag powder and other raw materials are easy to obtain and low in price; and therefore, the manufacturing cost of the slag stopping plug castable is greatly reduced.

The utility model provides a retainer bearing with a plurality of rolling bodies. The retainer bearing comprises a bearing body base, a roller raceway groove is formed in the middle of an inner hole of the bearing body base, an end face roller raceway is arranged on the bottom end face of the inner hole of the bearing body base, a first retainer is arranged in the end face roller raceway, and a second retainer is arranged in the roller raceway groove. A bearing mandrel body is arranged on the inner bottom end face of the bearing body base, the bottom face of an axis flange of the bearing mandrel body is used for bearing the stress face of the first retainer, a bearing mandrel cooling composite ring is arranged on the upper end face of the axis flange of the bearing mandrel body, and the top end of the bearing mandrel cooling composite ring abuts against a third retainer. And the third retainer and the first retainer are arranged in a mirror image manner by taking the second retainer as a central axis. The supporting device can support the rotary table bearing which rotates rapidly, and the friction coefficient of the bearing in the movement process is reduced.

The invention relates to a civil engineering transformation method for a bin bottom foundation of a multi-conical-hopper type discharging silo. The civil engineering transformation method comprises the steps that S1, a conical slope face of the bin bottom of an existing silo is dismantled; s2, plain concrete is poured to form a leveling layer; and S3, a bottom plate reinforcement cage is bound and laid, embedded parts are arranged at the positions corresponding to the multiple discharging openings, and then the bottom plate is formed through concrete pouring. The method has the advantages that the silo bottom load can be reduced, the safety degree of the silo bottom structure is improved, and the reserve in the silo is greatly increased.

This invention discloses a method for establishing a development map and a development method for low-abundance, low-permeability tight sandstone gas reservoirs. The map establishment method includes: S1, selecting typical well areas and using multi-factor sensitivity analysis to determine the main controlling factors affecting recovery rate; S2, using dynamic and static methods to establish the relationship between net profit and recoverable reserves for different well types under different economic policies; S3, using typical well areas to predict the recoverable reserves of gas wells under different recovery rate controlling factors, and combining the relationship between net profit and recoverable reserves to obtain the relationship between different controlling factors and net profit, i.e., the gas reservoir development map. A dynamically changing development potential evaluation model is established by combining the map and the gas reservoir numerical model. This model can quantitatively predict and evaluate the development potential of gas reservoirs from production to abandonment at any time, in any well area, and in any gas layer under different economic and technological policies, realizing real-time dynamic evaluation of the development potential of gas reservoirs.

The invention discloses preparation of a lignin-based composite material and application of the lignin-based composite material in adsorption of heavy metal ions in wastewater and reduction catalytic degradation of lignocellulose. The preparation process of the material comprises the following steps: dispersing lignin in an aqueous solution, stirring, adding sodium dodecyl benzene sulfonate, polyethylene glycol and a sodium alginate solution into the solution, and fully mixing. Dropwise adding into mineral oil, fully stirring, adding a cross-linking agent, and fully mixing. And washing, drying and grinding to obtain the lignin-based adsorbent which is used for adsorbing heavy metal ions. In addition, the material adsorbing the heavy metal ions is calcined to prepare a catalyst which is used for reduction catalytic degradation of lignocellulose. The lignin-based composite material is prepared from industrial waste lignin and used for heavy metal ion adsorption, after heavy metal ions are adsorbed, the lignin-based composite material is prepared into a catalyst to be used for reduction catalytic degradation of lignocellulose, high-value utilization of the lignin-based composite material is achieved, and the lignin-based composite material has good application prospects.

The invention provides a lithium ion battery and electric equipment. The lithium ion battery comprises a positive pole piece, a negative pole piece, an isolating membrane and electrolyte, the positive pole piece comprises a positive current collector and a positive film layer arranged on at least one surface of the positive current collector, and the positive film layer comprises a positive active material and a slow release agent; the positive electrode active material comprises lithium-containing olivine-type phosphate; the slow release agent comprises one or more of a lithium nickel cobalt manganese oxide, a lithium-rich manganese-based material, a lithium nickel cobalt oxide, lithium nickelate, lithium carbonate, lithium oxalate, Li5FeO4 and Li4SiO4; wherein based on the total weight of the positive electrode active material, the weight ratio of the slow release agent is less than or equal to 10%. According to the lithium ion battery, the slow release agent is arranged in the positive electrode film layer, so that lithium loss of the positive electrode active material is compensated in the cycle process of the lithium ion battery, and the cycle life of the lithium ion battery is prolonged.