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150results about How to "No need to increase investment" patented technology

Supercritical boiler fire coal heat value self-balance control loop distributed control system implementation method

The invention discloses a supercritical boiler fire coal heat value self-balance control loop distributed control system implementation method. The method comprises the steps of outputting a final coal feeder rotation speed command after PID adjustment is carried out on a received coal feed quantity command and a total coal quantity command with a heat value corrected, wherein the total coal quantity command with the heat value corrected is a total coal quantity command output by multiplying a dynamically-measured total coal feed quantity by a heat value balance correction coefficient, and the heat value balance correction coefficient is a delayed heat value balance correction coefficient. According to the method, soft measurement of a fire coal heat value can be achieved based on a unit DCS platform, additional investment is not needed, and a soft measurement signal of the fire coal heat value makes it convenient for operating personnel to monitor the quality of fired coal in real time and guides boiler combustion adjustment. A fire coal heat value self-balance control loop is designed, and therefore a unit coordinated control system has the ability to adapt to various types of coal, and the operation stability and the economy of a unit are improved.
Owner:ANHUI XINLT POWER TECH CONSULTING +3

Smelting process for aluminum-silicon master alloy

The invention relates to a smelting process for an aluminum-silicon master alloy. 75 percent of industrial pure aluminum ingot with the aluminum content being more than or equal to 99.7 percent and 12.5 to 13 percent of 6063 aluminum remelted regenerable ingot, which are measured according to a weight percent, are added into a reverberatory furnace at the temperature of 1000 to 1200 DEG C, 12 to 12.5 percent of well-measured pure silicon is added into the reverberatory furnace after the ingot is completely smelted to generate aluminum-silicon master alloy melt, and the aluminum-silicon master alloy melt is made into the aluminum-silicon master alloy through a smelting technique, a casting technique and a sawing technique. On the premise of not increasing equipment investment, the existing aluminum alloy smelting reverberatory furnace with an environment-friendly device system, a deep well and a casting system capable of continuously casting multiple cylindrical ingots at a time are used for smelting and casting the aluminum-silicon master alloy cylindrical ingot so as to substitute a traditional outdated production technique of the aluminum-silicon master alloy adopting a small-sized ground furnace to smelt and adopting a manual pouring way and an automatic cooling way of ingot molds, so that the energy can be saved, the environment can be protected, the production efficiency can be greatly improved, the labor intensity can be alleviated, the balance of silicon content in the aluminum-silicon master alloy and adequate chemical combination of aluminum and silicon as well as refining of the crystal grains can be better guaranteed, and the transformation, upgrading and development of enterprises can be promoted.
Owner:东莞市奥达铝业有限公司

Liquid crystal display array substrate and manufacturing method thereof as well as liquid crystal display

The invention discloses a liquid crystal display array substrate and a manufacturing method thereof as well as a liquid crystal display which are designed mainly aiming at the defects that an existing array substrate manufacturing process is complicated and low in production efficiency. The array substrate comprises a substrate, a gate electrode scanning line and a data line which are formed on the substrate, and pixel areas which are formed by the intersection of the grid electrode scanning line and the data line and arranged in a matrix form, wherein each pixel area at least comprises a thin film transistor device and a pixel electrode, the thin film transistor device comprises a gate electrode, a metal oxide semiconductor layer, a protective layer, a source electrode and a drain electrode, a gate insulation layer is arranged between the gate electrode and the metal oxide semiconductor layer, the metal oxide semiconductor layer is provided with the protective layer, and the source electrode and the drain electrode are respectively connected with the metal oxide semiconductor layer by virtue of through holes arranged on the protective layer. The array substrate is simple in manufacturing process and high in production efficiency, and can be used for avoiding the damage to the metal oxide semiconductor layer when the source electrode and the drain electrode are formed.
Owner:BOE TECH GRP CO LTD

Method for controlling amount of coal conveyed into furnace of thermal generator set on basis of virtual fuel quantity

The invention discloses a method for controlling the amount of coal conveyed into a furnace of a thermal generator set on the basis of virtual fuel quantity. The method includes the steps that (1) a fuel quantity instruction signal is formed through a unit load instruction and a boiler main steam pressure deviation signal, (2) virtual fuel quantity represented by capacity air door openness and coal mill inlet primary air pressure is obtained through coal mill capacity air door openness and a coal mill inlet primary air pressure signal, (3) by means of a PID arithmetic device, deviation signals of a fuel quantity instruction and a virtual fuel quantity are dynamically modified, the capacity air door openness is adjusted, and the quantity of fuel entering a hearth is adjusted. The virtual quantity of the fuel entering the hearth is obtained by means of the coal mill capacity air door openness and the coal mill inlet primary air pressure through functional operation and multiplication, the problems that a coordination system of a double-inlet double-outlet powder grinding system thermal generator set is poor in capacity air amount measurement reliability, and accordingly fluctuation of set operation parameters is large and even the coordination system can not be put into operation are solved, and stability and safety of operation of the set are improved.
Owner:STATE GRID CORP OF CHINA +2

Design producing method of multi-layer printed circuit board

ActiveCN101252817AReduces the possibility of moisture absorptionReduce the chance of explosionMultilayer circuit manufactureCooking & bakingElectricity
The invention discloses a design production method of a multilayer printed circuit board. The method comprises the following steps: firstly, schematic diagram designing is performed to a printed circuit board; secondly, an inner layer circuit board is fabricated, and oxidation treatment is performed to the inner layer circuit board; thirdly, the inner layer circuit board is pressed into a multilayer printed circuit board with prepreg and copper foil after being baked through high temperature; fourthly, holes are drilled at the position of a multilayer circuit board which is required to perform interpenetrating and connection, and plated through hole operation is performed; fifthly, an electric circuit is etched on the outer layer substrate of the multilayer circuit board; sixthly, soldering resistant treatment is performed to the multilayer circuit board, and then high temperature baking is performed; seventhly, treatment is performed to the surface of the bonding pad of the multilayer circuit board, then appearance processing, electrical measurement and final-inspection are performed to the multilayer circuit board, and packaging is performed after the final-inspection is passed. The invention effectively reduces the probability for blistering of the copper foil on the PCB surface, has simple operation and is feasible, and is not require to increase the equipment invest.
Owner:ZTE CORP

Vehicle charging method, device and system

InactiveCN104021598AEliminate the time spent on manual billing and chargingImprove the efficiency of departure trafficTicket-issuing apparatusPayment architectureComputer terminalGreen-light
The invention discloses a vehicle charging method which comprises the steps that: when a vehicle enters a parking lot, a mobile terminal sends identification information to a management system; during settling, the mobile terminal sends the identification information to the management system again, and obtains settling acknowledgment information from the management system after settling; when the vehicle leaves the parking lot, the mobile terminal sends the identification information and the settling acknowledgment information to the management system; the management system judges whether the vehicle accords with the leaving condition or not according to the identification information and the settling acknowledgment information, and opens a green light device or sends a green light prompt when judging that the vehicle accords with the leaving condition. Meanwhile, the invention further provides a vehicle charging device and system for realizing the vehicle charging method. Vehicle charging and charging of consumptions such as shopping and dinning are combined into a whole, or a convenient manner of self-service settling the parking cost is provided, thus the time spent by manual paying and charging when the vehicle leaves the parking lot is saved, and the through efficiency of the vehicle leaving the parking lot is effectively increased.
Owner:FUZHOU ROCKCHIP SEMICON

Energy-saving coordination control method for coal-fired power units

ActiveCN105182925ASolve the problem of large throttling lossImprove economyProgramme total factory controlSteam pressureBoiler furnace
The invention discloses an energy-saving coordination control method for coal-fired power units, comprising the steps as follows: (1) fully opening the capacity air damper of a coal mill; (2) forming a primary air pressure set value feed-forward signal based on a unit load instruction; (3) correcting a deviation signal of the main steam pressure and a set value thereof through PID operation to form a primary air pressure set value correction signal, and adding the signal and the primary air pressure set value feed-forward signal in step (2) together to form a primary air pressure set value signal; (4) correcting a deviation signal of the primary air pressure and a set value thereof through PID operation, and adjusting the primary air pressure to control the amount of fuel into a boiler furnace; and (5) controlling the unit power by adjusting the high-pressure control valve of a steam turbine. According to the invention, by fully opening the capacity air damper of the coal mill and adjusting the primary air pressure through a primary fan frequency converter to control the amount of fuel into the boiler furnace, the throttling loss of the capacity air damper of the coal mill is reduced, and the economic benefit of unit operation is improved.
Owner:STATE GRID CORP OF CHINA +2

Dissimilar spectrometer contrast method

The invention relates to a contrast method for different types of spectrographs. The spectral resolution of the shortest wave length is gained from equal wave length spectral resolution spectrometer data, the largest optical path difference of the interference data is gained from equal wave number spectral resolution spectrometer data, Fourier transformation is performed, the largest optical path difference is selected as the apodized function parameter of the interferogram of the equal wave length spectral resolution spectrometer data after the Fourier transformation, and the square apodized and Fourier reverse transformation are performed, and in the overlapped spectral coverage, the comparisons of the parameters such as the spectral intensity, the spectral line position, and the spectral resolution between the modificative spectrogram of the equal wave length spectral resolution spectrometer and the spectrogram of the equal wave number spectral resolution spectrometer which is to be compared are performed. The invention solves the technical problems that the checking and the standardizing are different and the cost is high by utilizing different types of spectrographs in the technical background. The invention can quantitatively check or standard the radiant emittance of varieties types of interference type spectrometers or interference type imaging spectrometers by utilizing an edge glass or a grating spectrometer with high radiating accuracy.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Self-priming height test bed for self-priming pump with high priming travel

The invention relates to a self-priming height test bed for a self-priming pump with a high priming travel. The test bed comprises a test pump 1, an adjustable variable-frequency pressurization pump 5 and an electric fixed-difference depressurization valve 9. According to the test bed, the height of the conventional lifting table is used; in order to simulate a state of an actual self-priming height, the adjustable variable-frequency pressurization pump 5 is added on a water-returning pipe of the pump to compensate a pressing head at an inlet of a sprayer of a jet flow device, and the electric fixed-difference depressurization valve 9 is added to increase pressure drop of the inlet of the pump; an inlet of the adjustable variable-frequency pressurization pump 5 is connected with an outlet of the water-returning pipe 4 of the pump, and an outlet of the adjustable variable-frequency pressurization pump 5 is connected with an inlet of the sprayer of the jet flow device 7; and an inlet of the electric fixed-difference depressurization valve 9 is connected with the upper end of a Venturi pipe of the jet flow device 7, and an outlet of the electric fixed-difference depressurization valve 9 is connected with an inlet of the test pump 1. According to a mounting height to be simulated, a lift of the adjustable variable-frequency pressurization pump 5 and a to-be-reduced pressure difference between the inlet and the outlet of the electric fixed-difference depressurization valve 9 are determined and are set. The self-priming height test bed has the characteristics that the actual mounting height of the test bed is not changed and a demand for testing various spraying pumps can be met.
Owner:JIANGSU UNIV

Aqueous plastic-plastic compounding glue water for soft packaging and preparation method thereof

The invention provides aqueous plastic-plastic compounding glue water for soft packaging, and relates to compounding glue water. The compounding glue water is prepared from the following ingredients in parts by weight: 20 to 30 parts of acrylic ester monomers, 1 to 5 parts of acrylic acid or methacrylic acid, 2 to 4 parts of alkyl methacrylate esters, 10 to 20 parts of styrene or acrylonitrile, 1 to 2 parts of acrylic acid hydroxyl esters, 0.2 to 1 part of N-Methylol acrylamide or diacetone-acryloamide, 1 to 5 parts of adipic dihydrazide, 0.4 to 0.8 part of itaconic acid, ethylene dimethacrylate or diallyl maleate, 0.3 to 1 part of emulsifying agents, 0.2 to 0.8 part of initiating agents, 0.1 to 0.3 part of buffering agents and 0.3 to 1 part of wetting agents. According to the material structure matching, the dry glue coating quantity per square meter can be controlled to be 0.5 to 2g, and the requirements can be met, for example, thin BOPP / CPP only needs 0.5 kg of dry glue, and the transparency and the firmness degree can reach the requirements; the cost of glue water used in per square meter is as low as 0.02 Yuan RMB; the product can be used on an original dry type compounding machine; the addition of equipment investment is not needed.
Owner:广东佰合新材料科技股份有限公司

Method for communicating by vortex radio waves

The invention discloses a method for communicating by vortex radio waves, belongs to a radio communication method and solves the problems of low phase difference and difficulty in signal resolution during receiving of a plurality of vortex radio waves in the existing methods for communicating by the vortex radio waves. The method includes steps of signal transmission, signal receiving, topological load acquisition and demodulation of the vortex radio waves. The method is simple and feasible, extra hardware investment is omitted, the core part of a communication system is not needed to be modified, the physical characteristics of mutual orthogonality of the vortex radio waves are used to demodulate the vortex radio waves via the azimuth angle integration method on the premise of given topological load of the vortex radio waves to be demodulated, and the problems of low phase difference and difficulty in signal resolution of the vortex radio waves when the vortex radio waves are demodulated by the phase difference are solved. Meanwhile, the signal amplitude of the vortex radio waves to be demodulated is increased, even if with noise interference, the demodulation signals can be easily detected, and the method can be applied to the vortex radio wave radio-communication system.
Owner:HUAZHONG UNIV OF SCI & TECH

Fabricated light composite beam simply-supported variable-structure continuous structure and construction method thereof

The invention provides a fabricated light composite beam simply-supported variable-structure continuous structure and a construction method thereof. The fabricated light composite beam simply-supported variable-structure continuous structure comprises two oppositely-arranged span steel-ultrahigh performance concrete light composite simply-supported beam prefabricated units, and a cast-in-place ultrahigh performance concrete pier top crossbeam arranged between the two oppositely-arranged span steel-ultrahigh performance concrete light composite simply-supported beam prefabricated units; the prefabricated units comprise a plurality of I-shaped steel beams, bridge deck slabs arranged on the I-shaped steel beams, and connecting parts arranged at the ends of the I-shaped steel beams; each connecting part comprises a first connecting part body arranged at the end of one prefabricated unit, and a second connecting part body arranged on the other prefabricated unit; and ultrahigh performance concrete is poured at the matched areas of the first connecting part bodies and the second connecting part bodies in place to form the pier top crossbeam. According to the fabricated light composite beam simply-supported variable-structure continuous structure and the construction method thereof, the problem that a traditional steel-concrete composite continuous beam hogging-moment-area bridge deckslab is prone to cracking when being pressed, and steel beams are prone to losing stability due to being pressed is solved; a continuous bridge is better in durability and longer is service life, meanwhile, on-site zero welding can be achieved, the on-site operation amount is reduced, the fabricating efficiency of the structure is improved, and fabricated and rapid construction is facilitated.
Owner:HUNAN UNIV

Oriented cutting method for preparing infrared non-linear optics element from yellow copper uniaxial negative crystal

The invention relates to a directional cutting method for preparing infrared nonlinear optical elements from a chalcopyrite uniaxial negative crystal, which comprises the following steps: (1) according to cleavage surfaces {112} and {101} of the chalcopyrite uniaxial negative crystal, utilizing a crystal standard pole figure with Wuwov's intersection ruler and an X-ray diffractometer to determine the direction of a C axis of the crystal through theta-2theta continuous scanning; (2) putting the crystal of which the direction of the C axis is determined on a cutting machine, rotating a sample stage for delta theta far away from the direction of the C axis according to a phase matching angle theta m required by an optical element, and cutting the crystal to obtain an original sample of the optical element, wherein the delta theta= theta m - theta (112); (3) putting the original sample of the optical element on the sample stage of the X-ray diffractometer, determining an oscillation photograph of a cutting surface of the original sample of the optical element, and obtaining a diffraction peak place value theta' and delta theta', wherein the delta theta'=absolute (theta'- theta'(112)); and (4) finishing the optical element, and correcting the cutting surface of the original sample of the optical element until the delta theta'=the delta theta.
Owner:SICHUAN UNIV

User consumption incentive platform and method

InactiveCN107341692AIncentivize continuous consumptionAttract return to consumptionPayment protocolsMarketingWorld Wide WebData processing
The invention discloses a user consumption incentive platform and method. The method includes: S1, registering platform accounts by a consumer and a merchant; S2, depositing a principal into the platform by the consumer, and selecting a deposit cycle; S3, returning rebate media to the consumer by the platform according to a principal amount and the deposit cycle; S4, using the rebate media to perform a transaction at the merchant by the consumer, transferring an corresponding amount of the media to the merchant by the consumer according to prices of commodities; and S5, using the media, which are obtain by sale, to perform cash withdrawal on the platform by the merchant. According to the platform of the invention, unified data processing servers and databases of storing data are provided, the merchant completes promotion without the need for increasing investment in hardware devices, and completing rebate operation by the merchant is facilitated. For the consumer, the principal is returned in a full amount, an interest rate is higher than bank interest rates, and the platform brings material benefits and is easy to use; for the merchant, promotion is obtained on the platform by settling the platform, and a transaction amount is greatly increased; and for the platform, profit is obtained through a manner of charging the merchant for a franchise fee, and the benefits are transferred to the consumer to the greatest extent.
Owner:袁正洪
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