126results about How to "Increase unit capacity" patented technology

The invention discloses a preparation method of a carbon nanotube-MXene composite three-dimensional porous carbon material. According to the preparation method of the material, based on the hydrophilic property of the MXene material, the MXene material is dispersed in a carbon nanotube stabilizing solution, and then is added into a PVA water solution to form a uniformly dispersed stable system. The three-dimensional porous composite carbon material is obtained through freeze drying and carbonization. According to the preparation method, a carbon nanotube can be inserted into a two-dimensionallayer structure of MXene, so that sheet agglomeration is prevented. The specific surface area is increased, and the ion migration space is enlarged. The improvement of the unit capacity and the cycling stability is facilitated. The problem that an MXene material and a graphene material are not easy to disperse uniformly is solved. The mesoporous and macroporous composite three-dimensional porous carbon material is prepared. The preparation method is simple, green, environment-friendly, low in cost, high in yield and easy for industrial production.

The invention discloses a preparation method of a flexible electrode and the flexible electrode obtained through the preparation method. The preparation method comprises the steps of a, manufacturing a carbon nano tube and an grapheme oxide into a homodisperse mixed dispersion agent; b, removing a solvent in the mixed dispersion agent, and obtaining a thin film with a three-dimensional conductive network; c, conducting in-situ polymerization on the three-dimensional conductive network with organic polymer conductive materials to obtain a three-element flexible composite film; d, conducting reduction on the grapheme oxide in the three-element flexible composite film to obtain the flexible electrode. According to the preparation method, firstly, the thin film with the three-dimensional conductive network is formed by the carbon nano tube and the grapheme oxide, and then, the in-situ polymerization is carried out on the three-dimensional network with the organic polymer conductive materials; in the three-dimensional conductive network, the carbon nano tube is inserted into the portion between grapheme sheet layers, so that the interval between the grapheme sheets and the specific surface area of the grapheme sheets are increased, the carbon nano tube also overcomes the defect generated in the oxidation process of grapheme, electronic transmission is facilitated, and the specific capacitance of the flexible electrode is improved.

A metal-over-metal (MOM) device and the method for manufacturing same is provided. The device has at least one device cell on a first layer comprising a frame piece and a center piece surrounded by the frame piece. The center piece has a cross-shape center portion defining four quadrants of space between the frame and center pieces. The center piece has one or more center fingers each extending from at least one of the four ends thereof within a quadrant. The frame piece also has one or more frame fingers extending therefrom, each being in at least one quadrant and not being overlapped with the center finger in the same quadrant.

A varactor on a substrate is provided. The varactor comprises a bottom electrode, an upper electrode, a first dielectric layer and a conductive layer. The bottom electrode has several doped regions arranged in the substrate as an array with several rows and several columns, wherein the doped regions in adjacent columns are arranged alternatively. The upper electrode is located over the substrate and the upper electrode is composed of several electrode locations and has several openings, wherein each opening exposes the corresponding doped region. Furthermore, each electrode location is surrounded by three doped regions. The first dielectric layer is located between the substrate and the upper electrode. The conductive layer is located over the upper electrode, wherein the conductive layer and the upper electrode are isolated from each other and the conductive layer and the doped regions are electrically connected to each other.

The invention discloses a method for recovering coin protein sugar dregs and preparing protein nitrogen sources and nitrogen-containing syrup in the production of enzymatic corn starch sugar, comprising the steps of size mixing, liquefying, saccharifying, standing separation, centrifugal separation, proteolysis, concentration, drying, compounding, and the like. In the invention, protein is condensed under the heat flash of liquefying, the protein sugar dregs concentrate and float upwards in saccharifying, the sugar dregs are recovered through the steps of standing separation and centrifugal separation, the sugar dregs are dried into protein, or the sugar dregs are hydrolyzed to prepare protein nitrogen sources, and the nitrogen sources can be compounded with syrup to form nitrogen-containing starch syrup for fermenting. Clarified saccharification liquid after centrifugal separation is decolored, filtered, refined and concentrated, and starch syrup products are obtained. The majority of lentous sugar dregs in the saccharification liquid are removed before the treatment of decoloring and filtering, and the decoloring and filtering performance of the material is better. The use level of active carbon, and the like can be properly reduced, the production capability of filtering equipment is improved, and the frequency of the loading and unloading of filters as well as the consumption of washing waste water and various kinds of loss are greatly reduced.

A semiconductor capacitor structure includes a first metal layer, a second metal layer, a first set of via plugs, a second set of via plugs, and a dielectric layer. The first metal layer includes a first portion, a plurality of parallel-arranged second portions, a third portion, and a plurality of parallel-arranged fourth portions. The second metal layer includes a fifth section, a plurality of sixth sections, a seventh section, and a plurality of eighth sections. The first set of via plugs electrically connects the plurality of second sections to the plurality of sixth sections. The second set of via plugs electrically connects the plurality of fourth sections to the plurality of eighth sections.

The invention relates to a thermal field structure of a polysilicon ingot casting furnace, which comprises a furnace body, a thermal-insulation cage body and a crucible, wherein the thermal-insulation cage body is arranged inside the furnace body, the crucible is arranged inside the thermal-insulation cage body, and the thermal-insulation cage body is a sealed thermal field chamber formed by an upper thermal-insulation body, a lower thermal-insulation body and a thermal-insulation baseplate; the upper thermal-insulation body is fixed on the furnace body; the bottom of the lower thermal-insulation body is placed on the thermal-insulation baseplate, and the lower thermal-insulation body can slide up and down relative to the upper thermal-insulation body through a lifting mechanism; the crucible is placed on a heat exchange platform in a supporting structure; and the thermal-insulation baseplate is placed on supporting columns of the supporting structure for fixation. In the invention, when a silicon material is heated, melted and thermally preserved for a period of time, in a lifted process of the lower thermal-insulation body, a vertical temperature gradient field is formed on a crystallization face of the silicon material due to the vertical temperature difference inside the thermal field chamber, and the crystallographic orientation of the silicon material can be realized by controlling heat dissipating and heating, so that the quality of a polysilicon cast ingot is improved. Meanwhile, the process time is shortened, the energy consumption is decreased and the unit productivity is improved.

The invention discloses a sealed electrolysis bath and an electrolytic system, the electrolysis bath comprises two end plates, an anode component, a cathode component, sealing components and a compacting device, wherein liquid flowing ports are evenly arranged on the two end plates, liquid flowing through-holes are correspondingly arranged on the anode component and the cathode component, the anode component and the cathode component are separately arranged between the two end plates, a polar chamber is formed between the anode component and the cathode component, the sealing components are evenly arranged on the contact position of the anode component, the cathode component and the end plates, and the anode component, the cathode component and the end plates form a sealed structure after being compacted through the compacting device. The electrolysis bath has simple structure and can increase the circulation speed of electrolyte, the overpotential is effectively lowered, the current density of an anode and a cathode is increased when in electrolysis, the productivity of unit electrolysis bath is increased, and the electrolysis bath can be widely applied in electrowinning various metal and in electrowinning metallic solution with low concentration. The sealed structure avoids the influence of gas which is discharged in the electrolysis process to environment in a workshop.

The invention relates to a continuous production method of high-content high-optical-purity lactate. The continuous production method of high-content high-optical-purity lactate includes the steps of adding catalyst in lactic acid to allow for polycondensation to obtain lactic acid oligomer with 1000-2500 molecular weight; adding catalyst into the lactic acid oligomer to allow for depolymerization to obtain crude lactide; and refining the crude lactide, and subjecting the refined lactide and organic alcohol to full-reflux reaction to obtain lactate. The continuous production method is simple in process, easy and simple to operate and suitable for industrial production and application. The materials can all be utilized. No 'three wastes' emission occurs. Content of the synthetized lactate is more than 99.5%, and optical purity of the lactate can reach more than 99%.

The invention discloses a petroleum coke calcining rotary kiln, which comprises a rotary kiln(9); an insert plate valve(1) is arranged below a calcining front chamber; an adhesive tape constant feeder(2) is arranged below the insert plate valve, and an adhesive tape conveyer(3) is arranged behind the adhesive tape constant feeder (2) and connected with the rotary kiln(9) by an oblique cutting feed tipping tube of an electric insert plate valve(6); the tail part of the rotary kiln(9) is connected with a dust deposition chamber(8), and the head part of the rotary kiln(9) is connected with a cooling machine(16) and provided with a burner nozzle(13) and a burner nozzle hanger(14); the petroleum coke calcining rotary kiln is also provided with a one-time combustion fan(10) matched with the burner nozzle; and a dust-containing waste gas processing system(15) is arranged beside the cooling machine(16). The petroleum coke calcining rotary kiln has the advantages of improving the unit volume capacity, greatly enhancing comprehensive utilization of waste heat and adaptability of other calcining materials such as needle coke, anthracite and the like, reducing burning loss of charcoal, saving raw materials and energy, improving automatization level and reducing labor intensity of a worker.

The invention relates to the technical field of fluidized decomposition and calcination of gypsum, and particularly discloses a process for producing sulfuric acid by spraying, fluidizing, decomposing and calcining gypsum efficiently. The process comprises the following steps: gasifying brimstone; preheating raw gypsum; spraying, fluidizing and decomposing gypsum to prepare calcium sulfide and sulfur dioxide; preparing sulfur dioxide by calcining and decomposing the prepared calcium sulfide and heated gypsum; preparing sulfuric acid by treating the tail gas. Through the adoption of spraying and fluidizing technology, out-kiln decomposition of gypsum during acid making is realized; the calcium sulfide can be prepared efficiently with low cost; then the calcium sulfide and the preheated gypsum are calcined together for decomposition to prepare the sulfur dioxide. Therefore, the process is absolutely an excellent process for industrialized continuous production, is high in economic benefits and energy utilization ratio.

Improved water management systems which deflect or collect evaporative liquid exiting counterflow heat exchangers and improve airflow distribution are provided. Such heat exchangers include open cooling towers, closed circuit cooling towers, and evaporative condensers. The improved water management systems eliminate water splash out and the noise associated with water splashing. Further, when the fan assemblies are located below the evaporative heat exchanger, the improved water management systems keep the fans dry and prevent freezing in subzero climates.

The present disclosure is directed to an apparatus and a compact riser separation system for separating a gaseous mixture from a stream of particles entering from a central riser reactor used for cracking a hydrocarbon feed with the stream of particles. The apparatus provides improved gas solid separation efficiency and maximize containment of the hydrocarbon and minimize residence time in the separation system and thereby minimizing undesired post riser cracking reactions.

The present invention provides a metal-oxide-metal (MOM) capacitor structure having a plurality of symmetrical ring type sections. The MOM capacitor structure of the present invention does not need photomasks above standard CMOS process, and thus the process cost is cheaper. In addition, due to the semiconductor process improvement, a significantly large number of metal layers can be stacked in the MOM capacitor structure, and since the distance between the metal layers becomes smaller, the unit capacitance will be increased.

The invention provides a new technology for extracting aluminium oxide from the material containing carbon aluminate. The carbon aluminate is dissolved out the material by weak sodium carbonate solution to be made into carbon aluminate solution that density is less than 100 g/f, gas CO2 is send into the carbon aluminate solution to do decomposition to generate high-silicon aluminium hydroxide and carbon decomposition mother solution which circulately dissolving out carbon aluminate, the high-silicon aluminium hydroxide is processed by low-temp. dissolving, seed-decomposed decomposing and burning to produce quality sand-type aluminium oxide.

The invention provides a method for continuously preparing highly pure magnesium hydroxide which relates to a method for continuously producing highly pure magnesium hydroxide with bischofite as raw material and ammonia as precipitant. The method is characterized in that: a treated bischofite is prepared into a solution with the concentration of 0.5 mol/L-4 mol/L, the bischofite solution and ammonia gas are added continuously after the reaction begins and the chemical reaction for depositing the magnesium hydroxide is carried out continuously. Characteristics of the reaction vessel utilization ratio, the productive capacity of unit volume, technical reliability and stability and so on of the method are greatly improved compared with intermittent reaction technology. The base liquid does not need to be replaced or heated repeatedly, thus energy-saving effect is distinct and labor productivity is high. The method can be used for obtaining magnesium hydroxide with the granularity of 10 microns-100 microns and the purity of 99 percent-99.999 percent. The ammonia nitrogen treatment of the tail solution adopts a commercial method that meets environmental protection requirement. The product produced by the invention has large granule size, high purity, more specifications, low cost, high equipment utilization rate and low one-time investment and has no pollution to the environment.

The invention relates to a rapid start method for a vertical continuous annealing furnace. By adoption of the rapid start method for the vertical continuous annealing furnace, the problem that in theprior art, after a vertical continuous annealing furnace is stopped to be maintained, the furnace start time is long, and consequentially, the production rhythm and productivity are affected is solved. The rapid start method for the vertical continuous annealing furnace comprises the steps that after the vertical continuous annealing furnace is maintained, start conditions of the vertical continuous annealing furnace are confirmed; pure-nitrogen purging is conducted on the inside atmosphere of the vertical continuous annealing furnace; the vertical continuous annealing furnace is heated; hydrogen-containing purging is conducted on the inside atmosphere of the vertical continuous annealing furnace; and strip steel of the vertical continuous annealing furnace is controlled to start to operate. The rapid start method for the vertical continuous annealing furnace is simple and easy to operate, and the production efficiency and productivity of the vertical continuous annealing furnace are effectively improved.