123results about How to "Shorter payback time" patented technology

The invention relates to a debris-core-borehole-reservoir multiscale shale reservoir three-dimensional fracturing evaluation method. The method comprises the steps of: (S1) calculating mineral content brittleness indexes in a shale coring position; (S2) building relations among an internal friction angle, I type and II type fracture toughness and rock mechanical parameters; (S3) building shale fracturing evaluation models comprehensively considering a mineral content, elastic parameters, the internal friction angle, a critical strain energy release rate and the rapture toughness; (S4) applying a support vector machine algorithm to obtain a cluster analysis mode between a reservoir fracturing performance and the elastic parameters; and (S5) applying the cluster analysis mode and a reservoir three-dimensional elastic parameter data body to obtain a debris-core-borehole-reservoir multiscale shale reservoir three-dimensional fracturing model. The method can be applied to obtain the fracturing performance of any space position in a shale reservoir, so that the well position selection blindness is prevented, and the fracturing modification effect and the after-pressing yield are improved.

The invention relates to a carbon fiber composite material recovery method. The method comprises the following steps: putting a waste carbon fiber composite material in stirring cleaning equipment to be cleaned, spreading fragments on a tray, putting the tray in a microwave oven, carrying out radiation heating treatment on the carbon fiber composite material fragments in the tray, filling an inert gas in the microwave oven to protect the carbon fiber composite material when the carbon fiber composite material undergoes degradation reaction in the microwave oven and obtaining a solid recovered carbon fiber material after degradation of the carbon fiber composite material is completed. The method has the beneficial effects that the impurities on the surface of the carbon fiber composite material can be removed and the recovery rate of the carbon fibers in the carbon fiber composite material can be increased by cleaning the carbon fiber composite material; meanwhile, the degradation reaction efficiency of the carbon fiber composite material in the microwave oven is further improved by cutting the carbon fiber composite material into the fragments; and the recovery rate of the carbon fibers can be greatly increased, the recovery time can be shortened and waste of the carbon fiber material can be avoided by adopting the recovery method.

The invention relates to a coal mining method, in particular to a safe and fast driving method for large-section open-off cut time-by-time tunneling. The safe and fast driving method can solve the problem of low efficiency in existing large-section open-off cut construction and comprises the following steps: enabling a coal cutter to start to drive along an open-off cut pilot tunnel from one side of a wind inlet lane of a designed working face, simultaneously laying tracks and a scraper-trough conveyer for transporting out coal cinders, grinding an angle on one side of open-off cut enlargement (the expanded side) to be constructed after the open-off cut pilot tunnel is driven in place, enabling the coal cutter to turn and adjust the machine with 90 degrees for cutting coal in the angle grinding position so as to enable a coal cutter unit to enter into a wind return lane, further adjust the machine with 90 degrees for cutting the coal so as to enable the unit to enter into the side end to be enlarged, then starting to drive the open-off cut enlargement side, transporting out the coal cut during the driving process by utilizing the well laid scraper-trough conveyer, and merging the open-off cut enlargement side with the open-off cut pilot tunnel for performing open-off cut on the working face after the end of driving of the open-off cut enlargement side.

The invention relates to a preparation method of room-temperature regenerated phenolic resin and a recycling technology and application thereof. The preparation method comprises the following steps of according to parts by mass, melting and blending 100 parts of thermoplastic phenolic resin and 18.4 to 55 parts of boric acid compound at the temperature of 60 to 100 DEG C, so as to obtain boron-containing thermoplastic phenolic resin; or, dissolving 100 parts of thermoplastic phenolic resin and 20 to 50 parts of boric acid compound into an organic solvent with low boiling point at the temperature of 40 to 60 DEG C, so as to obtain the boron-containing thermoplastic phenolic resin; curing, so as to obtain the room-temperature regenerated phenolic resin. The preparation method has the advantages that the preparation technology of the resin is simple; the resin is dissolved into the mixing solvent of ethyl alcohol and water at room temperature, so that the resin can be recycled; the resin can be used for preparing the recyclable fiber reinforced boron-containing thermoplastic phenolic resin-based composite material. The prepared boron-containing thermoplastic phenolic resin has the advantages that the function of arylboronic acid ester structure promoting the heat-resistant property of the thermoplastic phenolic resin is fully realized, and the technology of the resin and the mechanical property of the composite material can be simultaneously realized.

The invention discloses a method for preparing quinolone medicaments. The conventional methods using organic solvents with a high boiling pint and a large polarity, adopting other solid alkali materials except reaction materials or using other liquid alkali materials except the reaction materials have obvious defects. The method of the invention adopts a technical scheme that: quinolone compounds are prepared by a piperazidine reduction of quinolone carboxylate nuclear parent and piperazidine derivates in water; the piperazidine reduction is completed in the presence of a catalyst which may be one or a mixture of more than two of cerous chloride heptahydrate, N,N-carbonyldiimidazole, 4-dimethylamino pyridine, tetrabutylammonium bromide, benzyl triethylammonium chloride and tetrabutyl ammonium hydroxide. The method for preparing the quinolone medicaments radically solves the problems of terrible smell, realizes clean production, avoids using the other alkali substances except the reaction materials as an acid-binding agent and overcomes the defects of the prior art.

The invention discloses a parallel-flash layer translating method, which comprises the following steps: establishing a mixed address mapping mechanism which makes a page group and a block as an unit, wherein the page group can be divided into a logic page group and a physical page group, the block can be divided into a logic block and a physical block; when the quantity of I/O requests sent by a file system is larger than a predetermined request threshold value, establishing an I/O request queue and putting the I/O requests which are beyond the predetermined request threshold value in the I/O request queue; dividing the I/O requests of the I/O request queue into a plurality of groups of I/O request sub-queues according to the mixed address mapping mechanism; and carrying out parallel reading-writing operation to each group of I/O request sub-queues, wherein each group of the I/O request sub-queues comprise a plurality of I/O requests and the plurality of I/O requests can operate parallelly. The method utilizes excellent parallel-flash feature completely through the parallel reading-writing operation; writing-in and erasing time is reduced; thus, complexity is reduced; and high performance is obtained. The invention also discloses a parallel-flash translation layer system.

The invention belongs to the field of cable materials, and in particular relates to a PVC (Polyvinyl Chloride) cable sheath material which is mainly prepared from the following raw materials by weight: 100 parts of PVC resin, 3-8 parts of shock resistance modifying agent, 45-50 parts of plasticizer, 0.1-0.5 part of antioxidant, 10-30 parts of silicon dioxide, 3-7 parts of thermal stabilizing agent, 25-35 parts of filling agent and 15-20 parts of fire retardant. The PVC cable sheath material provided by the invention is excellent in mechanical physical property and meets the environment-friendly requirements, and meanwhile as silicon dioxide is added into the PVC cable sheath material, the surface of a sheath layer is rough, and the contact area of the sheath layer and an insulating layer can be easily separated as the contact area is reduced.

A refrigerant recovery device comprises a compressor 1 which draws in chlorofluorocarbons gas. Chlorofluorocarbons gas that has increased pressure and temperature by being discharged from the compressor 1 is conducted through a heat exchange device 2 to become liquid refrigerant. The liquid refrigerant is conducted by a liquid pipe 13 to a refrigerant recovery tank 7. Gas of the refrigerant inside the refrigerant recovery tank 7 is conducted to the compressor 1 by a gas pipe 21. The heat exchange device 2 comprises the first helical piping 3 formed by winding a small diameter heat transfer pipe, a large diameter tube 5 with a cross-sectional area larger than the previous heat transfer pipe and the second helical, small-diameter piping 4 with a structure similar to the first helical small-diameter piping 3, these elements being connected in serial as a single unit, or alternatively the heat exchange device comprises two or more single units connected together. The liquid pipe 13 comprises a solenoid valve 6 that is controlled by a pressure sensor 14 to open at a preset upper value and to close at a preset lower value. The gas pipe 12 comprises a solenoid valve 22 that is controlled by a pressure sensor 24 to open at a preset upper value and to close at a preset lower value. The present invention provides a refrigerant recovery device that is cheap, compact and is portable and easy to operate for inexpensively recovering chlorofluorocarbons.

A method for recovering triethylamine, removing phosphorus pollutants and recovering phosphorus resources in glyphosate mother liquor comprises operation steps as follows: (1) calcium hydroxide powder or a calcium hydroxide emulsion is added to the glyphosate mother liquor, the mixture is evenly mixed, the calcium hydroxide powder or the calcium hydroxide emulsion is required to be added to enable the pH value of the glyphosate mother liquor to range from 10.5 to 12.3, then the glyphosate mother liquor is heated to the temperature higher than 85 DEG C for a reaction for 0.5-3 h while stirring is performed, triethylamine vapor produced in the reaction is collected and condensed, and a triethylamine solution is obtained; (2) a solid-liquid mixture formed through the reaction is subjected to water vapor gas-stripping desorption, a gas discharged through water vapor gas-stripping desorption is condensed, and a triethylamine solution is obtained; (3) the triethylamine is obtained through dehydration treatment of the obtained triethylamine solutions; (4) a coagulant is added to the solid-liquid mixture obtained after water vapor gas-stripping desorption while stirring is performed, the mixture is evenly mixed, then solid-liquid separation is performed after a reaction while stirring is performed, obtained solid substances are used as the phosphorus resources to be recycled, and an obtained liquid is collected for further treatment.

The invention provides a novel die-casting die for an automobile part. The novel die-casting die comprises an upper die seat, an upper cushion plate, a male die fixing plate, a female die fixing plate, a fixing plate, a lower cushion plate and a lower die seat which are sequentially arranged from top to bottom. Guide columns and guide sleeves are evenly distributed between the upper die seat and the lower die seat. Symmetric conic through holes are formed in the position, corresponding to a female die, of the bottom of the female die fixing plate. Grooves corresponding to the conic through holes are formed in the upper surface of the fixing plate. The two grooves are connected through an arc trench to form a sub-runner. The female die fixing plate and the fixing plate are in sliding fit connection through small guide columns and small guide sleeves. According to the novel die-casting die for the automobile part, for a casting with a symmetric structure, it is guaranteed that the separating face during automatic separation of the casting and waste is smooth during demolding, a workpiece cannot be damaged, material waste is reduced, and renovation on the automobile part after die casting is low; the workload of workers is saved; and the work efficiency is improved.

A recycling method of triethylamine and methylbenzene in combination of organophosphorus ester relates to technology for recycling triethylamine and methylbenzene from industrial waste water produced in combination of organophosphorus ester and resolves the technical problem of recycling of triethylamine and methylbenzene in industrial waste liquid. The recycling method includes the following steps: placing waste liquid produced combination of organophosphorus ester in a reactor, adding solid calcium oxide in stirring mode, conducting complete reaction, conducting heating and distillation after the pH value achieves 11-12, collecting distillate of 60-120 DEG C, adding a drying agent into collected mixed liquid of triethylamine, methylbenzene and water to conduct heating and backflow for 48 min to remove moisture and then conducting distillation again to obtain triethylamine and methylbenzene. The recycling rate is no smaller than 98%, methylbenzene is smaller than 0.005ppm in the industrial waste liquid after triethylamine and methylbenzene are recycled, and the recycled mixed liquid of triethylamine and methylbenzene can be applied to combination of organophosphorus ester.

The invention discloses a wind-storage system coordination control strategy for reducing abandoned wind of multiple wind farms by aid of positive externality of stored energy. The wind-storage system coordination control strategy is characterized by comprising contents of determining distribution principles for power distribution rations of the wind farms in joint external transmission environments with the multiple wind farms; analyzing externality theories of energy storage systems; reducing the abandoned wind of the multiple wind farms by the aid of the positive externality of the stored energy, and the like. The wind-storage system coordination control strategy has the advantages that the positive externality generated by available power and the capacity of the stored energy is sufficiently utilized, relief of the abandoned wind of the local wind farms can be guaranteed, the abandoned wind of the other wind farms can be reduced to the greatest extent, accordingly, the utilization rate of the stored energy can be increased, effects for relieving the abandoned wind by the aid of the stored energy can be optimized, the wind-storage system coordination control strategy is scientific and reasonable and is high in applicability, excellent effects can be realized by the wind-storage system coordination control strategy, and the like.

The invention relates to a data buffer system, a method and a computer terminal for a Java platform. The system includes a cache, which includes an in-heap memory and an out-of-heap memory, wherein the in-heap memory is used to store key values and out-of-heap memory indicators, key values correspond to out-of-heap memory indicators, and the out-of-heap memory is used to store the data to be cached; a cache management unit which generates a key value and cache address information corresponding to each other according to the data to be cached and the data storage request, wherein the cache address information is the storage address information of the data to be cached in an out-of-heap memory; an out-of-heap memory indicator for storing cache address information. By implementing the invention, the same efficient management of the cache is realized, and the garbage collection time is reduced. Realization of process sharing, fewer object replication between virtual machines; and a fast reboot of persistent storage can be achieved.

The invention discloses a sorting and crushing device for recycling waste plastics. The sorting and crushing device comprises a bottom frame; crushed plastic fragments are cleaned by arranging a cleaning box; the plastic fragments are fully stirred by utilizing the reverse rotation of an auger and a drying drum; mixed label sticker fragments are blown off while the plastic products are dried by warm air flow; through impurity removal treatment, the purity of the waste plastic fragments and the plastic treatment efficiency are improved, and the situation that the quality of materials obtained after waste plastic regeneration is not high is avoided; a rotary disc and a first screening plate are arranged, and an auger is used for providing power to drive the rotary disc to rotate; and the first screening plate is driven to swing up and down under cooperation of a guide pin and a swing block. The waste plastic screening efficiency is improved; the recycling time is saved; meanwhile the problem that the fragments are accumulated on the surface of the first screening plate is avoided; and the whole device is simple in structure and convenient to use, and can improve the recycling efficiency and the quality of recycled plastic fragments.

The invention provides a desolventizing humidifier which comprises a tank body, multi-layer sieve plates, a steam plywood case I and a discharge device. The multi-layer sieve plates are fixed in the tank body, the steam plywood case I is fixed on the tank body and arranged at the bottoms of the multi-layer sieve plates, and the discharge device is arranged in the tank body. The tank body comprises a steam outlet, a feed port and a discharge port, wherein the steam outlet is arranged at the top, the feed port is connected with a feed device, and the discharge port is arranged at the bottom of the tank body. The discharge device comprises a vertical shaft arranged in the center of the tank body and a drive mechanism driving the vertical shaft to rotate. A distribution device, scraper boards, a harrow rod I and a harrow rod III are fixed successively on the vertical shaft from top to bottom. The scraper boards are arranged above and matched with the multi-layer sieve plates, the harrow rod I is introversive and arranged above and matched with the steam plywood case I, and the harrow rod III is extroversive and arranged above and matched with the tank body bottom. Steam is fed into the steam plywood case I, and steam outlets are arranged on the upper portion of the steam plywood case I. Compared with the prior art, the desolventizing humidifier has the advantages of being high in solvent recovery rate and dephenolized cottonseed protein quality.

The invention discloses a 10kV medium-voltage direct-hanging type energy storage power station system, and belongs to the field of energy storage power station design. The system comprises a 10KV energy storage power station preceding stage and a DC/DC bidirectional energy storage converter, wherein the input end of the 10kV energy storage power station preceding stage is directly connected with a10kV power grid, the DC/DC bidirectional energy storage converter is connected with the output end of the energy storage power station preceding stage, and the 10KV energy storage power station preceding stage and the DC/DC bidirectional energy storage converter are subjected to two-stage conversion. According to the invention, the 10kV medium-voltage direct-hanging type energy storage power station system adopts a power electronic technology, the alternating current of a 10kV power grid is directly converted into 750 V direct current through a 10KV energy storage power station preceding stage, and then the 750 V direct current is converted into a voltage needed by an ultra-large battery pack through a DC/DC bidirectional energy storage converter; the 10kV medium-voltage direct-hanging type energy storage power station system has the advantages of low harmonic content, high and low voltage fault isolation, easy maintenance, bidirectional energy transmission and the like; a 750V directcurrent interface is provided, so that new energy and energy storage equipment can be directly accessed, an inverter stage is omitted, the efficiency is improved, and the cost is reduced; and the system is provided with various communication interfaces, so that an energy routing distribution function can be realized, and flexible power transformation and distribution and new energy flexible access are realized.