88results about How to "Reduce operating conditions" patented technology

A method of operating an engine, comprising of performing homogeneous charge compression ignition combustion during a first operating condition, and performing spark ignition combustion during a second operating condition, where an amount of directly injected alcohol in at least one of said homogeneous charge compression ignition combustion and said spark ignition combustion is varied in response to at least an operating parameter.

The invention belongs to the technical fields of a novel material as well as preparation, and particularly relates to mesoporous graphene foam as well as a preparation method thereof. The invention realizes hydrothermal preparation of a magnesium oxide texture structure and preparation of the mesoporous graphene foam by using textured magnesium oxide as a template. The mesoporous graphene foam material has abundant mesoporous structures and excellent electric property and can be used as an electrode material of batteries and supercapacitors, so that the energy density and the power density of the batteries or the supercapacitors are expectedly improved to a great extent. The cycling stability of the mesoporous graphene foam material is increased, and the mesoporous graphene foam material combined with materials with high draw ratio or the mesoporous graphene foam material can soften energy storage apparatuses. The advantages have important meaning for realization of commercialization of a new generation of energy storage apparatuses for electromobiles and development of smaller, lighter and flexible portable mobile power supplies. The business prospect is wide. Meanwhile, preparation processes of the high temperature hydrothermal method and a fluidized bed can realize engineering enlargement, so that the method is expected to be industrialized.

A system for producing a fuel gas from a carbon-containing material is provided that includes a non-thermal plasma generator, an electric power source, a process stream inlet, and a product stream outlet. The non-thermal plasma generator includes a high voltage electrode separated from a grounded electrode by a modification passage. Moreover, a dielectric layer exists between the high voltage electrode and the grounded electrode. The electric power source is energizable to create non-thermal electrical microdischarges within the modification passage. As the process gas flows through the system, the carbon-containing material is converted to fuel gas.

The invention discloses a hidden frame glass curtain wall installation structure which comprises a building main body and a glass curtain wall installed on the building main body, wherein the installation structure further comprises an installation chassis, the glass curtain wall is regulated through the installation chassis to a set position and is fastened, and the position of the glass curtain wall is unchanged in the fastening process. Due to the adoption of the hidden frame glass curtain wall installation structure, the hidden frame glass curtain wall installation structure exciting and controlling the dynamic production process of prestress of an elastic material to form a stable prestress structure and conducting three-dimensional regulation in the installation process to substantially improve the installation accuracy is provided, and the hidden frame glass curtain wall installation structure has the characteristics of excellent firmness, accuracy, safety, convenience and replacement.

The present invention 1, 2 or 3 provides a desulfurization function-added FCC catalyst which can efficiently reduce the sulfur content of FCC gasoline while maintaining the yield of FCC gasoline in a process of producing FCC gasoline by cracking of heavy oil. The catalyst has vanadium supported on a carrier comprising (a) an alumina-coated zeolite and (b) a porous inorganic oxide except zeolite and/or a clay mineral, wherein the supported vanadium amount is from 500 to 20000 ppm by mass in terms of vanadium metal and the acid amount is from 20 to 450 μmol/g and the macropore surface area is from 30 to 150 m²/g; or the catalyst has vanadium supported on a carrier containing from 5 to 40% by mass of (a) an alumina-coated zeolite and from 30 to 70% by mass of (b) an alumina, wherein the vanadium concentration ratio before and after grinding the catalyst is at least 2; or the catalyst has at least vanadium and manganese and/or phosphorus supported on a porous inorganic oxide-containing carrier, wherein the supported vanadium amount is from 500 to 20000 ppm by mass in terms of vanadium metal, vanadium and manganese and/or phosphorus form a complex ion in the supporting solution for use in supporting vanadium and manganese and/or phosphorus, and the permeability of the complex ion through a reverse osmosis membrane is at most 25% relative to the permeability of vanadium through the reverse osmosis membrane.

The invention discloses a mounting structure of an anti-explosion glass curtain wall. The mounting structure comprises a building body, curtain wall glass mounted on the building body and a mounting base plate, a decorating frame is covered on the outer wall surface of the curtain wall glass, the curtain wall glass is adjusted to a preset position via the mounting base plate and then fastened, the position of the curtain wall glass is not changed during fastening, and the decorating frame is fixed on the mounting base plate via a mounting piece. The curtain wall glass with edges covered by a prestressed structure is firmly fastened via a stand column and crossbeam frame, and in case of glass crushing or deformation caused by impact, and the glass cannot be integrally separated from the stand column and crossbeam frame, so that anti-explosion and separation functions are effectively realized, and indoor persons are protected to the greatest extend; since profile steel serving as the stand column and crossbeam frame is adopted to replace an existing aluminum profile frame, strength and rigidity of a whole curtain wall bearing system are greatly enhanced, and the anti-explosion glass curtain wall structure is stronger in capability for bearing impact loads from explosion and the like and good in safety performance.

The invention relates to a constant velocity joint having an outer part (3), an inner part (8), a cage (14) and balls (24). For the purpose of fitting the inner part (8) in the cage (14), there is provided a groove (16a) which can be entered by the inner part (8) by means of the web (13), so that the inner part (8) can be introduced into the cage (14), although the outer diameter of the inner part (8) is greater than that of the end aperture of the cage (14).

The invention relates to a catalytic agent for synthesizing succinic acid through maleic acid hydrogenation; the catalytic agent comprises the following components in percent by weight: 0.1-10% of active component ruthenium and 80-99.9% of acid resistance carrier. A preparation method of the catalytic agent comprises the following steps of: uniformly mixing a ruthenium chloride solution with the concentration of 0.1-50.0mg/ml and the carrier, adding an alkaline solution into mixed liquor under stirring at the temperature of 15-95 DEG C, adjusting pH value to be 6-14, and then maintaining for 0.5-24h; filtering the mixed liquor, washing solid precipitates by using distilled water till Cl <-> does not exist, drying naturally, and then feeding reducing gas at the temperature of 150-450 DEG C and reducing for 1-24h, wherein space velocity of the reducing gas is 200-100h<-1>, and obtaining the ruthenium catalytic agent. The catalytic agent has the advantages of good stability, low cost, high activity and high selectivity.

The invention provides a conductive silicone rubber adhesive formed at room temperature on site. The adhesive includes component A and component B. The component A includes: 400-1000 parts by weight of metal-based conductive filler, 20-80 parts by weight of vinyl-terminated polysiloxane, 20-80 parts by weight of ethylene base silicone resin, 0.01~1 weight part of Karstedt catalyst; the component B includes: 400~1000 parts by weight of metal-based conductive filler, 20~80 parts by weight of vinyl-terminated polysiloxane, 20~80 parts by weight of vinyl silicon Resin, 10-35 parts by weight of hydrogen-containing silicone oil, and 0.01-1 part by weight of inhibitor. The invention has the characteristics of high conductivity and low operating conditions, and the formed conductive layer has reliable bonding, long service life, good sealing performance, vibration resistance, and high and low temperature impact resistance. The present invention also provides a method for using the above-mentioned room temperature in-situ forming conductive silicone rubber adhesive. The adhesive includes component A and component B. The ratio is thoroughly mixed. Easy to use, can be molded on site, cured at room temperature, not affected by the thickness of the adhesive layer.

The invention obtains a sewage treatment system which can be automatically operated while properly setting the operation condition of reducing surplus sludge according to the condition change of water quality, water quantity, water temperature, and the like with improving water quality of treated water or without deteriorating the water quality, and optimizing the driving operation amount of an oxygen supply blower. The sewage treatment system comprises a water quality simulator 8 that calculates water quality by using an activated sludge model representing microorganism reactions in a biological reaction tank 2, a control device 9, and a data storage device 10. Easily biodegradable organic matter data of a sludge improvement device 7 are fetched into the water quality simulator 8, and the driving operation amount of the sludge improvement device 7 and the driving operation amount of the oxygen supply blower 3 for the biological reaction tank 2 are controlled from the results of water quality calculation by the water quality simulator 8.

The invention discloses a stone installation structure, which comprises a building main body and stone installed on the building main body. The stone installation structure is characterized in that the installation structure also comprises a plurality of installation units mutually independent; the stone is adjusted to a setting position by the installation units and is fastened, and moreover, the position of the stone is not changed during a fastening process. As the stone installation structure disclosed by the invention is adopted, stimulation and control are provided for the dynamic generation process of the prestress of an elastic material to form a stable prestressed structure, and three-dimensional adjustment can be performed during an installation process, and therefore, the installation accuracy of the stone is greatly improved. The stone installation structure has the characteristics that the firmness, the accuracy and the safety degree are high and the convenience and the changeability are good.

The invention discloses a mounting structure for car door glass tightening, which comprises a car door glass body, wherein the car door glass is movably arranged on a car door through a moving device on a car window track; the car door glass body is fixed on the moving device through a tightening system; the tightening system comprises an oppressing component and a plurality of tightening components; and the tightening components are oppressed through the match of the oppressing component with the car door glass body to generate a pre-stressing force to tighten the car door glass body. In the mounting structure for the car door glass tightening provided by the invention, the tightening components are oppressed through the match of the oppressing component with the car door glass body together to generate the pre-stressing force; the car door glass body becomes a main control element to generate the pre-stressing force; the tightening components are made of elastic materials; and under the action of external forces, a stable pre-stressing force is formed at the inner part of the materials and stored to form a stable pre-stressing force system with the car door glass body and the oppressing component together.

The invention discloses a broken wire monitoring method and system based on a digging line or a suspension rod; according to the method, broken wire acoustic emission signals collected by a pluralityof acoustic emission sensors on a single digging line or suspension rod can be firstly obtained; broken wire acoustic emission characteristic parameters can be determined according to the broken wireacoustic emission signals; and the number of final broken wires and the position of each broken wire of the single digging line or suspension rod can be determined according to the broken wire acoustic emission characteristic parameters; the broken wires of the digging line or suspension rod can be monitored in a whole day, and the method not only reduces the operating conditions and the danger ofworking at heights, but also improves the monitoring effect.

The invention discloses a wall brick installation structure which comprises a building body and wall bricks installed on the building body. The wall brick installation structure is characterized by further comprising multiple installation units which are independent from one another. The wall bricks are adjusted to be at set positions and fastened through the installation units, and the positions of the wall bricks do not change in the fastening process. By means of the wall brick installation structure, stimulation and control of the dynamic generation process of the prestress of elastic materials are provided, a stable prestress structure is formed, and three-dimensional adjustment can be conducted in the installation process so that the installation accuracy of the wall bricks is improved substantially. The wall brick installation structure has the advantages of good firmness, safety, convenience and easy replacement. In the fastening process, the wall brick installation structure cannot cause irregular compression on the wall bricks, therefore, damage to existing flatness and self-balanced internal stress of the wall bricks is avoided, wherein the damage is caused by component errors, installation carrier errors, the errors of the wall bricks, workpiece displacement and other factors, and the safety and the capability for resisting external force of a whole wall brick structure are enhanced.

The invention disclose a wall brick installing structure, which comprises a building main body and wall bricks installed on the building main body, and is characterized by further comprising an installing base plate, wherein the installing base plate comprises a framework, a first installing module and a second installing module; the framework comprises a building main body connecting end and a wall brick connecting end; the building main body connecting end is arranged on the building main body through the first installing module; the wall bricks are adjusted to set positions through the second installing module, and are fastened; and in a fastening process, the positions of the wall bricks are not changed. In a process of fastening by using the prestress of the second installing module, the wall bricks are prevented from being pressed and deformed irregularly by fastening, damages to the existing flatness of the wall bricks and inner stress of self-balance caused by the factors of error of each member, error of an installing carrier, errors of the wall bricks, and displacement of workpieces are avoided, and the safety and the capability of the external force resistance of an entire wall brick fastening system are enhanced greatly.

The invention provides a hybrid power type power distributed motor train unit which comprises at least one power source vehicle, at least one motor car and at least one trailer, wherein a diesel generating set, a pantograph and a transformer are arranged on the power source vehicle; the pantograph is connected with a transformer; the power source vehicle and the trailer are provided with power-free bogies; the motor car is provided with a traction system and a power bogie which are electrically connected together; the power source vehicle, the motor car and the trailer are connected together through a motor train unit; the diesel generating set and the transformer are respectively connected with a motor train unit connector through switches; and the motor train unit connector is electrically connected with the traction system. The diesel generating set is arranged in the power source vehicle, and the traction system is arranged in the motor car, so that the diesel generating set and the traction system are distributed in different vehicles, and the layout that the power sources are centralized and the power is distributed is realized. Therefore, the axle weight of each vehicle is wholly alleviated, and the operating requirement on the high speed railway is met.

The invention belongs to the field of sodium-ion battery materials, and discloses a sodium-rich transition metal oxide composite sodium-supplementing positive electrode active material. The material is characterized by comprising a sodium-ion battery positive electrode active material and a sodium-supplementing additive; the sodium-supplementing additive is a sodium-rich transition metal oxide ofwhich the chemical formula is NaxMOy, wherein M is one or more of Ni, Co, Fe, Mn, Ru, Ir, Sn, Cr, Cu, Nb and Mo, x is 1-6, and y is 1-4; the average valence state of M in the sodium-supplementing additive is not higher than the highest oxidation valence state of M. The specific capacity of the sodium-supplementing additive is far higher than that of a conventional positive electrode active material; sodium ions can be removed before or together with the conventional active material in a charging process, meanwhile, the structure of the sodium-supplementing additive is changed, and sodium vacancies in the transition metal layer of the sodium-supplementing additive are difficult to fill.

The invention discloses an anti-explosion transparent partition mounting structure. The anti-explosion transparent partition mounting structure comprises a partition body fixed on a building body, a circle of mounting frame is bonded around the partition body which is fixed on the main building body or an adjacent partition body via the mounting frame, the mounting frame comprises a pressing assembly and a fastening assembly, and the pressing assembly is matched with the fastening assembly to press the same to generate prestressing force so as to fasten the partition body. By the aid of the mounting frame, the partition body cannot be separated after being impacted by explosion and the like, so that anti-explosion and separation functions are effectively realized, and indoor persons are protected to the greatest extent. Since a rigid bearing frame is firmly connected with the main building body structure, strength and rigidity of a whole partition bearing system are greatly improved, and the anti-explosion transparent partition structure is stronger in capability for bearing impact loads from explosion and the like and better in safety performance.

The invention provides a method for treating high-concentration wastewater. The method comprises the following steps: preheating raw water in a raw water tank and then feeding the preheated raw water into an evaporation chamber, and feeding the raw material into the top of the evaporation chamber through a circulating pump so that the water flows downwards along the surface of an inclined plate in the evaporation chamber; blowing air at the air inlet to contact the air with the water layer on the surface of the inclined plate to generate saturated wet air, discharging the saturated wet air out of the evaporation chamber via an air outlet to feed into a condensation chamber for cooling in the condensation chamber; lifting the concentrated liquor flowing into the bottom of the evaporation chamber to the top of the evaporation chamber by an evaporation chamber circulating pump for cyclic evaporation; and when the concentrated liquor in the evaporation chamber is saturated and crystalized, discharging the crystals out of the evaporation chamber via a crystal discharge hole to enter into a crystal treatment system, and returning the liquor obtained after treatment back to the raw water tank, and recycling the precipitate. The method and the system for treating the high-concentration wastewater are used for solving the problems of low evaporation efficiency, easy equipment scaling, heavy corrosion and high cost of current high-concentration wastewater treatment.

The invention relates to a copper catalyst for preparation of acetone from isopropanol through gas phase photocatalytic oxidation and a reaction process and provides a preparation method of titanium dioxide loaded copper-based compound photocatalyst as well as a process for preparing acetone through photocatalytic oxidation of a part of isopropanol under a gas phase condition. With titanium dioxide as a carrier (containing anatase or a mixed phase of anatase and a little rutile), soluble copper salt as a precursor of copper species (metal copper, copper oxide and cuprous oxide) and sodium borohydride as a reducing agent, the titanium dioxide loaded nanocopper compound catalyst is prepared. The catalyst can oxidize a part of isopropanol in atmosphere containing oxygen for preparation of acetone. The prepared catalyst has the characteristics of good stability, high conversion rate and high principal product selectivity.

The invention discloses an explosion-proof and anti-riot transparent partition mounting structure comprising a building body, a mounting frame and partitions. The partitions are mounted on the building body or with the adjacent partitions through the mounting frame, the sides of the partitions are inserted into first mounting grooves and are combined with an escape-prevention frame matched in the first mounting grooves, and at least one limit structure and at least one elastic buffer part are arranged between the escape-prevention frame and the mounting frame. The elastic buffer parts and a slide buffer device can function in buffering effectively at the first time after the partitions are impacted by explosion, time and probability of breaking of the partitions can be remarkably alleviated and reduced, and safety protection performance of the partitions is improved evidently. The escape-prevention frame can prevent the partitions from separating from the mounting frame after impacting, explosion-proof function can be effectively taken into effect, and safety protection can be provided for indoor people to the greatest extent.

The invention discloses an explosion-proof and anti-riot glass curtain wall mounting structure with a buffer function. The explosion-proof and anti-riot glass curtain wall mounting structure comprises a building body, a frame and a glass curtain wall. A decorative frame is fixed on the frame through a mounting component, a first mounting groove is formed in the mounting component, the side of the glass curtain wall is inserted into the first mounting groove, an escape-prevention frame is combined on the side of the glass curtain wall, and elastic buffer parts are mounted between the escape-prevention frame and the mounting component. The stable prestressing force structure is formed by triggering and controlling dynamic prestressing generation process of elastic materials, the elastic buffer parts and a buffer displacement slide device can function in buffering effectively at the first time after the glass curtain wall is impacted by explosion and the like, time and probability of breaking of the glass curtain wall after being impacted can be remarkably alleviated and reduced, and safety protection performance of the integral glass curtain wall is remarkably improved.

The invention discloses a transparent cabinet, which comprises a frame body and transparent parts combined onto the frame body. The frame body comprises compression assemblies and fastening assemblies. The fastening assemblies are compressed by matching the compression assemblies with the transparent parts to generate pre-stressing force to further fasten the transparent parts. During a whole implementation process of pre-stressing force fastening, irregular compression and surface deformation caused to the transparent parts due to the fastening cannot be generated, and therefore, the phenomenon that the existing flatness and the balanced internal stress of the transparent parts can be possibly broken due to the errors of all members and errors of the transparent parts is avoided. Meanwhile, the section stress of a single transparent part of an original transparent cabinet is changed into the overall stress of the transparent cabinet, and therefore, the overall strength, the torsion resistance and the external force resistance of the transparent cabinet are greatly enhanced.