2042results about How to "Reduce consumption cost" patented technology

The invention provides a multifunctional vacuum friction and wear testing machine, which not only can simulate special environmental atmospheres such as vacuum, radiation and corrosion, but also can conduct tribology tests in a relatively wide speed and load range by using various contact manners (ball-disc and pin-disc). The multifunctional vacuum friction and wear testing machine mainly comprises a vacuum system, a friction and wear system, a power transmission system, a control system, and the like, wherein the friction and wear system comprises a lever structure (22) used for fixing a test sample fixture (20) and capable of freely rotating in a horizontal direction and a vertical direction; the lever structure (22) comprises a cantilever beam (18) and a vertical arm (23) which are arranged in a perpendicular manner; the cantilever beam (18) is connected with the vertical arm (23) through a two degree of freedom bearing structure (17); positions of the cantilever beam (18) and the vertical arm (23) can be adjusted in the horizontal direction and the vertical direction through the control of a manipulator (15) and a hand wheel structure (13), so that the test sample fixture (20) can accurately move within two degrees of freedom; and a temperature sensor (2) and a pressure sensor (3) are mounted on the test sample fixture (20), so as to detect/monitor friction coefficients and temperature variations during the tribology tests.

The invention provides an underactuated autonomous underwater vehicle (AUV) adaptive trajectory tracking control device and a control method. The practical positions and the course angles of an AUV which are acquired to a measurement element (3) and reference positions and reference course angle information which are generated by a reference path generator (1) are converted through a diffeomorphism converter (6) to obtain new state variables, then the new state variables and speed and angular speed information which is acquired by a sensor (5) are transmitted to a parameter estimator (11) anda longitudinal thrust and course changing moment controller (14), and a control command is obtained through resolving to drive an actuating mechanism to adjust the longitudinal thrust and the course changing moment of the AUV. By using the underactuated AUV adaptive trajectory tracking control device, the inertial mass parameters of the AUV and hydrodynamic damping parameters are not required to be known and the goal of arriving at designated positions at designated time according to designated speed is realized. Since the AUV considered in the invention is underactuated, the energy consumption and the manufacturing cost of a system can be reduced, the weight of the system can be reduced and the propulsion efficiency can be improved.

The invention discloses a predictive control method and system based on a multi-model generalized predictive controller. While process disturbance is inhibited, a preset desired output value is enabled to track the optimum set value track, and dynamic characteristics of a system are distinguished in parallel by adopting a plurality of fixed models and a plurality of adaptive models so that an actual output value and an optimum input control quantity of the system can be obtained. The invention also provides a predictive control system which is of a DRTO (Dynamic Real-Time Optimization) dual-layer structure, and adopts a multi-mode generalized predictive controller to replace an existing single-model generalized predictive controller. The predictive control method has the following beneficial effects of well matching the actual process characteristic in the production, reducing the system cost consumption, increasing the system economic benefit, improving the system transient state performance and the system regulating capacity when a system model parameter hops, being capable of effectively eliminating the interference of disturbance to system output, and reducing the influence of inconsistency of models of an optimization layer and a control layer in the DRTO dual-layer structure to the economic benefit.

The invention discloses a system and a method for real-time tracking and quality tracing of procedure logistics in discrete manufacturing. The system comprises a concentrator, and a computer, a database server, a data processing server, a visual board, a RFID (Radio Frequency Identification) tag and an RFID reader-writer which are connected with the concentrator by network cables. The invention is beneficial to improving the transparency of a manufacturing workshop; the problem of information disconnection of bottom-level real-time information and top-level management information of the workshop is solved and the problem of unsmooth information caused by difficult acquisition of information of the bottom-level workshop is reduced. The invention is beneficial to improving the production efficiency of the manufacturing workshop, improving the utilization rate of equipment and labor and increasing the economic benefit of enterprises, and is also beneficial to improving the management level of the procedure logistics of the enterprises, reducing material loss and reducing the cost consumption due to transport errors and the like.

The invention relates to a longitudinal edge folding and ironing-seaming method of a packaging bag. The longitudinal edge folding and ironing-seaming method of the packaging bag comprises the following steps that: after bag materials are conveyed in an edge pressed way, the left longitudinal bag edge material of the bag materials enters a gap between a left edge folding plate and a right edge folding plate along the left edge folding plate, is pressed by left edge folding pressing wheels and slides downwards, and the right longitudinal bag edge material of the bag materials enters the gap between the left edge folding plate and the right edge folding plate along the right edge folding plate, is pressed by right edge folding pressing wheels and slides downwards; when the left longitudinal bag edge material and the right longitudinal bag edge material slide, an ironing-seaming pressing wheel is driven to roll, the ironing head of an ironing-seaming device irons and seams the edge-folded left longitudinal bag edge material and the edge-folded right longitudinal bag edge material which are vertically and crossly overlapped on the ironing-seaming pressing wheel, and the ironing head rotates when the ironing head conducts ironing and seaming operation to enable the bag materials to slide smoothly; and finally, the packaging bag with longitudinal bag edges which are ironed and seamed are produced, wherein the longitudinal bag edges are firmly bonded and are difficult to tear off. The packaging bag produced by adopting the method has higher bonding strength and better quality, so that the service life of the packaging bag is prolonged and the consumption cost is reduced. Besides, the invention additionally provides a longitudinal edge folding and ironing-seaming mechanism of the packaging bag for realizing the longitudinal edge folding and ironing-seaming method of the packaging bag.

The invention discloses a rotary furnace technique to manufacture high-carbon low-phosphor molten steel, which is characterized by the following: transmitting high-silicon high-phosphor molten iron into rotary furnace; blowing through gun-change and oxygen-change flow operation; removing phosphor first; pouring rich phosphoric slag at blowing time; adjusting terminal temperature and terminal carbon.

The invention relates to mechanical equipment, in particular to an engine which repeatedly uses compressed-air power to work. The engine consists of a compressed air pressure structure, a mechanical structure, a charging, supplementing and electromagnetic system structure and an engine working process structure. The engine has the structural characteristics of repeatedly using compressed-air power to do work, can be matched to drive various maneuvering vehicles and transportation tools, also can be matched with a power generator to form a unit to generate power, and achieves the purposes of engine work, long endurance, energy conservation, environmental protection, push of traffic and transportation industry, and sustainable development.

This invention relates to a method for preparing quaternary ammonium salt. The method comprises: reacting C12-C18 alkyl dimethyl tertiary amine and alkylation reagent at 50-105 deg.C in water to obtain the product. The alkylation reagent is C1-C8 halogenated hydrocarbon. The method has the same effect as conventional method performed in low-carbon alcohol, and has such advantages as low cost and reduced environmental pollution of the solvent.

The invention discloses a physical method for treating vitamin C production wastewater by strengthening and catalyzing ozonization. Ultrasonic radiation, ultraviolet irradiation and hydrodynamic cavitation methods are adopted to be combined with a chemical method for heterogeneously catalyzing the oxidation of ozone respectively to ensure that organic matters in vitamin C wastewater are oxidized and degraded into CO2, and the generated CO2 makes Ca ions in the wastewater precipitated. Compared with single heterogeneous catalysis to the oxidation of the ozone, the utilization rate of the ozone of the method is improved by 1.3 to 4 times, and oxygen consumption and operating cost are remarkably reduced; the COD value of output water can be less than 80mg/L, the decolorization ratio reaches 100 percent, the output water has no peculiar smell, the total hardness removal rate is more than 90 percent, and the removal rate of the organic matters is more than 95 percent; and the method has no secondary pollution, and the treated VC wastewater can reach the national grade one discharge standard or is used as process water for recycling.

The invention discloses an SDN and fog computing hybrid vehicular ad-hoc network system. The whole framework of the SDN and fog computing hybrid vehicular ad-hoc network system comprises a cloud computing layer, a fixed fog computing layer and a mobile fog computing layer; the cloud computing layer is composed of cloud servers; the fixed fog computing layer is composed of an SDN controller, a RSUand a base station; and the mobile fog computing layer is composed of running vehicles and vehicle-mounted mobile devices. The SDN and fog computing hybrid vehicular ad-hoc network system has the beneficial effects as follows: from the perspective of economics and application service reliability, as SDN and fog computing are mixed to consider roadside infrastructure, mobile vehicles, user terminals and the like as available processing nodes, resources such as computing, communication and network of the system are added; and due to adoption of a task distribution strategy, application service reliability is improved, and an extra cost consumption is avoided.

A technology for continuously producing vanadium nitride alloy includes such steps as proportioning raw materials (V2O5, carbon reducer and liquid adhesive), mixing, die pressing, baking, reductive nitrifying, and refining. Its advantages are high productivity, high quality and low cost.

The invention relates to an access request filtering method, device and facility and belongs to the technical field of network security. The access request filtering method comprises the steps of receiving an access request, wherein the access request carries access triggering information; judging whether the access request is an attack request or not according to the access triggering information; filtering the access request if the access request is the attack request; obtaining page contents corresponding to the access request and sending the page contents corresponding to the access request to a corresponding terminal if the access request is not the attack request. Due to the fact that identification information carried by the access triggering information can explicitly express the type of the access request, the attack request can be rapidly and effectively distinguished according to the access triggering information, and DDoS attack can be effectively intercepted in an access request filtering mode.

The present invention is directed to the selective removal of ferric ion and/or ferric compounds from valuable metal recovery process streams.

A disclosed method for simultaneously analyzing and detecting residual veterinary drug compositions in animal tissue comprises: performing homogenate on an animal tissue sample by 50% acetonitrile and ethanol, performing ultrasonic extraction and hexane purifying, and performing further precipitation by acetonitrile and ethanol, concentrating, utilizing UPLC-MS/MS to perform multi-reaction monitoring (MRM) determination under the negative ion mode, and quantifying according to a standard curve and an external standard method, detecting and calculating to obtain the content of 46 residual veterinary drug compositions in animal tissue. The method is applicable to present commonly-used veterinary drugs such as 18 kinds of quinolone drugs, 22 kinds of sulfanilamide drugs, dapsone, phenylethanolamine A, amoxicillin, adamantanamine, rimantadine, ethoxyquin and the like, and is capable of performing one-step simultaneous rapid accurate detection, and the application scope of the method is enlarged.

The invention relates to chemical-copper plating liquid and a copper plating production process, which are used for copper plating of tubular steel and iron pieces and non-metal pieces, and are characterized in that: the chemical-copper plating liquid consisting of copper sulphate, a retarder, a complexant, a reductant and deionized water is used to pretreat a workpiece and then the workpiece is subjected to chemical-copper plating; an anode is 0.3 percent phosphor-containing copper plate; the area ratio of the anode and the cathode is 2:1; the current intensity in the cathode is 0.5 to 4A/dm<2>; the pH value of the copper plating liquid is 1.0 to 3.0; the temperature of the copper plating liquid is normal temperature; and the carrying capacity is 1 to 4dm<2>/kg; the copper plating time is8 to 10 minutes. The liquid and the process have the advantages of firm bonding between cladding and a substrate, stable process, high impurity resistance, long service life, crystalline simple copper cladding, fine cladding crystallization, low porosity, high anticorrosion performance, simple operation, convenient maintenance, no formaldehyde, no damages to human bodies and environment and environmentally-friendly product.

The invention discloses a machining process of middle-long thin-wall blades, which belongs to the technical field of machining of blades. The machining process is implemented by a detailed process of integrated rough machining and integrated fine machining, wherein the integrated rough machining comprise the specific steps of rough machining of each surface of a blade tip, each surface of a blade root and a molded surface of a steam passage; and the integrated fine machining comprises the specific steps: semifinishing of each surface of the blade tip and each surface of the blade root, fine machining of each surface of the blade tip, each surface of the blade root and each residue, semifinishing of the steam passage and fine machining of the steam passage. According to the machining process of the middle-long thin-wall blades, the operation is simple and convenient, the use is convenient and fast, the cost is low, the machining efficiency is high, and the operation is easy and labor-saving; and the deformation of the middle-long thin-wall blades is controlled within 0 to 0.8mm, the normal machining of a subsequent mold correction process is facilitated, and the machining of each blade is finished once.

The invention discloses an NFV service chain mapping method for cost and QoS, which belongs to the technical field of networks. The method comprises the following steps: establishing a service chain mapping model oriented to service quality assurance and cost optimization, and setting a comprehensive optimization target of the service chain mapping model by the service chain mapping model by taking a service quality demand and a resource demand as limiting conditions; solving the service chain mapping model by using a greedy algorithm GA + LCB. According to the invention, on the premise of guaranteeing the basic service quality requirement and resource requirement of the user for the service, the service chain can reasonably and effectively schedule and allocate limited network resources,the deployment overhead of an operator is reduced, the request receiving rate is improved, and higher deployment income is obtained.

The invention provides a zirconium oxide ceramic cylinder jacket material, which comprises 65-75wt% of zirconium oxide, 3-6wt% of cerium oxide, 1-3wt% of yttrium oxide, 20-30wt% of aluminum oxide, and 0.5-2wt% of titanium dioxide. The invention also provides a preparation method for the zirconium oxide ceramic cylinder jacket material. The zirconium oxide ceramic cylinder jacket material provided by the present invention has higher strength, toughness and thermal shock resistance, and is able to resist wear, corrosion and high temperature. inner liner of slurry pumping cylinder sleeve prepared from the zirconium oxide ceramic cylinder jacket material has the following advantages that (1) service life is long, performance-price ratio is high, thereby reducing equipment cost consumption, greatly reducing frequency of shutdown to maintain cylinder jacket, reducing economical loss due to stop production and maintenance, and lightening labor intensity of workers; and (2) wearing for piston in the cylinder jacket is reduced, service life of the piston is prolonged, and piston cost is saved.

The invention discloses a soft measurement method of a coal slurry flotation cleans ash based on date-driven, which establishes a hardware platform and a flotation cleans ash. Flotation feeding concentration, flow, flotation medicament dosage and tailings flashboard position are used as auxiliary variables, the flotation cleans ash is used as a master variable, the auxiliary variables are used as input and the flotation cleans ash is used as model output so as to carry out soft measurement modeling, and calibration and parameter correction are carried out to a model so as to estimate the ash content of the current flotation cleans in real-time. The method has simple application and low cost, can realize the soft measurement of the flotation cleans ash by only needing a small quantity of samples, thus improving the measurement timelessness, and being beneficial to realizing the optimized control of the flotation procedure.

The invention discloses a microfluidic concentration gradient droplet generating chip and a microfluidic concentration gradient droplet generating device. In the microfluidic concentration gradient droplet generating chip, a sample decentralizing channel, more than one reagent channel, more than one immiscible phase channel and a droplet reacting and detecting channel are processed on a chip base material processed by a quartz or organic solvent resistance material, a sampling probe integrated with the chip is processed at the inlet end of the sample decentralizing channel, the tail end of the sampling decentralizing channel is sequentially communicated with the outlet ends of the reagent channels and the outlet ends of the immiscible phase channel, and the outlet end of the sample decentralizing channel is communicated with the inlet end of the droplet reacting and detecting channel again. With the adoption of the microfluidic concentration gradient droplet generating device, a droplet array with the concentration gradient scope larger than three orders of magnitude can be formed by injecting a sample once, the consumption of the sample is less, and the generation of concentration gradient is quick. The microfluidic concentration gradient droplet generating device is especially suitable for high throughput screening research.

This invention relates to a full range self-controllable hydraulic pressure lift-up device package and lift-up method; wherein, the device comprises hydraulic pressure system and autonomous system; said hydraulic pressure system includes hydraulic pressure station and hydraulic pressure hydro-cylinder which sets lift-up bracket on the top; said station is connected with hydro-cylinder through lift-up oil line and drop one separately; said autonomous system comprises industrial controlling computer, displacement scale transducer, speed-sensitive switch valve and output control housing; said method comprises following steps: a)starting up the device; b)setting the lift-up height of object; c) balancing the lift-up height of individual hydraulic pressure hydro-cylinder to lift up the object to the setting position in-phase. The invention is suitable to fix and construct oilcan with individual specification.

The invention discloses a vacuum bulking manufacturing technique of traditional Chinese medicine, which is characterized by the following: adopting vacuum bulking technique to control and select the shape, size and moisture content of the traditional Chinese medicine to generate many pores at the cell wall of the traditional Chinese medicine; lixiviating and distilling the cell content to improve the extracting quantity of effective component or ingredient; fitting for extracting volatile oil component in the traditional Chinese medicine; opening a new path for drug value.

The invention relates to a perovskite plane heterojunction solar cell and a preparation method therefor. The solar cell comprises a conductive substrate FTO, an electron transmission layer, a three dimensional-two dimensional perovskite layer, a hole transmission layer, and electrodes. The three dimensional-two dimensional perovskite layer is prepared through a vapor phase method. The three dimensional-two dimensional perovskite layer serves as a light absorbing layer, thereby greatly improving the humidity and temperature stability of the solar cell, reducing the requirements for the packaging technology, and reducing the consumption of an organic solvent. Moreover, the three dimensional-two dimensional perovskite layer prepared through the vapor phase method is higher in industrial production value, and provides a new idea for the industrial production of the perovskite solar cell with the high stability.

The invention discloses a directly-prepared ultrahigh-purity carbon nanotube and a preparation method thereof, belonging to the technical field of carbon nanotubes. Under the condition that purification is not required, the purity of the carbon nanotube is greater than 99.7 weight percent, the tube diameter is between 0.8 nanometer and 30 nanometers, the specific surface area is between 200 m<2>/g and 500 m<2>/g, the agglomeration density is between 30 kg/m<3> and 150 kg/m<3> and the agglomeration particle size is between 20 microns and 150 microns. A method for directly preparing the ultrahigh-purity carbon nanotube by adopting a chemical vapor deposition method comprises the following steps of: dispersing catalyst crystal grains generated with a liquid phase method onto the surface of an inert carrier, drying and baking; cracking hydrocarbon with 1-6 carbon atoms in a fluidized bed reactor to generate a carbon nanotube; and separating the inert carrier from the generated carbon nanotube at a higher air speed. The carbon nanotube obtained with the method has the purity between 99.7 percent and 99.9 percent, and has the advantages of high carbon nanotube quality, no need of removing impurities by acid treatment, low cost and easiness for amplification and preparation.