Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

30results about How to "Achieve long-term" patented technology

Dynamic soft-measuring method of ingredients of regenerated flue gas generally regenerated by catalytic cracking device

InactiveCN101650566AAchieve long-termImprove CO concentration soft measurement accuracyTotal factory controlProgramme total factory controlAdditive ingredientDynamic models
The invention relates to a dynamic soft-measuring method of ingredients of regenerated flue gas generally regenerated by a catalytic cracking device, which belongs to the technical field of productionprocess soft measurement. The method is characterized by comprising the following steps: utilizing a dynamic model of mechanism analysis of a regenerator to preliminarily estimate the mol flow of allmain ingredients of the regenerated flue gas and the heat capacity of the regenerated flue gas; utilizing the heat balance of a CO incinerator to further estimate the CO content of the regenerated flue gas more accurately; returning the estimation value of the CO content into the dynamic model of the mechanism analysis of the regenerator, and calculating more accurate CO content; repeating the iterative algorithm, and estimating important immeasurable variables of the regenerator when the CO estimation value is converged. By jointly utilizing the dynamic model of the mechanism analysis of theregenerator and the heat balance of the external CO incinerator and adopting the combined way of an on-line and real-time process computing technology and a dynamic model observation technology, theinvention achieves the dynamic soft measurement of immeasurable variables of the regenerator in the catalytic cracking device and provides helps for safety production as well as energy saving and consumption reduction in important production processes.
Owner:TSINGHUA UNIV

Method and apparatus for monitoring key performance indicator

An embodiment of the invention provides a method and apparatus for monitoring a key performance indicator (KPI). The method for monitoring the key performance indicator comprises obtaining the key performance indicator in a preset time; carrying out moving average line calculation on the key performance indicator in the preset time to obtain moving average line indicators; and if the change of the moving average line indicators surpasses a preset threshold, carrying out monitoring processing on the key performance indicator. According to the method and apparatus for monitoring the key performance indicator, the presentation of the KPI long-term or short-period change trend is realized, thereby improving the efficiency of network maintenance management.
Owner:HUAWEI TECH SERVICE

Aluminum oxidation wastewater treatment and reclaimed water reuse technology

The invention relates to aluminum oxidation wastewater treatment and reclaimed water reuse technology, which is characterized in that the technology mainly comprises the steps of pretreatment, electric coagulation, micro-filtration and reverse osmosis; pretreating high fluoride-containing wastewater, ammonia-containing wastewater and nickel-containing wastewater respectively, and centralizedly draining the wastewater to a wastewater disposal basin with other production wastewater in a workshop; sending the wastewater into a pH adjustment tank, conveying the wastewater to an electric coagulation machine for electric coagulation treatment after the pH value is adjusted to be between 4 and 6, making the wastewater after the electric coagulation treatment enter an electric coagulation discharge bay, sending the wastewater to a micro-filtration concentration tank, conveying the wastewater to a micro-filtration system, and collecting a micro-filtration effluent to a reuse water basin; and conveying one part of water in the reuse water basin to the workshop for reuse, quantificationally draining one part, conveying the other part to a reverse osmosis system to produce pure water, and storing the pure water in a pure water storage tank. In sum, the technology can effectively remove heavy metals and salts in the wastewater, ensure that the COD in the treated wastewater is less than or equal to 25 mg / L, cannot cause secondary pollution of reuse water due to adding a coagulating agent and a flocculating agent, and has high reuse rate of reclaimed water.
Owner:江阴新苏铝科技有限公司

Photocatalyst formaldehyde-buster internal wall paint and preparation method thereof

The invention discloses photocatalyst formaldehyde-buster internal wall paint and a preparation method thereof. The photocatalyst formaldehyde-buster internal wall paint is prepared from, by weight, 15.0-40.0 parts of deionized water, 0.2-0.5 part of hydroxyethyl cellulose, 0.3-0.7 part of a dispersing agent, 0.2-1.0 part of a wetting agent, 0.2-0.5 part of a defoaming agent, 0.1-0.2 part of a pH modifier, 0.3-1.0 part of a photocatalyst addition agent, 5.0-8.0 parts of multifunctional additive, 10.0-25.0 parts of titanium dioxide, 5.0-15.0 parts of calcined kaolin, 5.0-15.0 parts of calcium triple superphosphate, 10.0-25.0 parts of formaldehyde-buster emulsion, 5.0-10.0 parts of odor removal emulsion, 0.5-1.0 part of a thickening agent, 0.5-1.0 part of a film coalescing aid, 0.1-0.2 part of preservative and 0.2-0.5 part of a mildewproof agent.
Owner:广东龙马新材料科技有限公司

Alpine region slope multi-sensing information fusion and intelligent monitoring system and monitoring method

The invention discloses an alpine region slope multi-sensing information fusion and intelligent monitoring system and monitoring method. The invention belongs to the field of slope soil state monitoring. The system includes a field integrated monitoring device and an indoor intelligent management center. The field integrated monitoring device comprises a positioning module, a temperature acquisition module, a moisture acquisition module, a soil pressure acquisition module, a surface displacement acquisition module and a data storage and transmission module; temperature, moisture, soil pressure and surface displacement acquisition modules are integrated into a data acquisition module; the data storage and transmission module is connected with the positioning module and the data acquisition module, and stores and wirelessly transmits the position and sensor information to an indoor intelligent management center; and the data processing and early warning module is arranged in an indoor intelligent management center, is connected with the data storage and transmission module, analyzes and processes the monitoring data of the soil temperature, the moisture, the soil pressure and the earth surface displacement sensor, and carries out early warning when the monitoring data reaches an instability threshold value. The system and method are used for monitoring the slope soil body in the alpine region.
Owner:HARBIN INST OF TECH +2

Integrated control system of cement clinker, waste heat power generation and steam turbine safety protection

InactiveCN102591294AAssurance process strategy and production managementSmooth runningTotal factory controlProgramme total factory controlProcess engineeringData sharing
The invention provides an integrated control system of cement clinker, waste heat power generation and steam turbine safety protection, in particular a plant control system that integrates cement clinker DCS, waste heat power generation DCS and steam turbine safety protection DEH and ETS. The invention is characterized in that the integrated control operating system with a same database, a same data industrial Ethernet, same DCS / PLC software, same software compatible DCS / PLC hardware and a same human-computer interface realizes local operation and overall monitoring of the whole plant through data sharing and network sharing so that production and equipment operate safely and efficiently so as to reduce the fixed number of workers and the labor intensity.
Owner:娄卡奔新能源科技发展(上海)有限公司

Preparation method of plant source-based soil conditioner

The invention discloses a preparation method of a plant source-based soil conditioner, and belongs to the technical field of soil conditioners. The plant source-based soil conditioner is prepared from pine by means of the steps of lye steeping, pyrolysis carbonization, biomass liquid dipping and the like. A field trial proves that the plant source-based soil conditioner has a better effect of conditioning soil.
Owner:沂南县迎辉农业开发有限公司

Electrical observation system and method for dam dynamic monitoring

The present invention discloses an electrical observation system and method for dam dynamic monitoring. The system comprises a remote data management platform, a field data management platform, an electrical monitoring data collector, an electrical power supply electrode, a measuring electrode and an electronic signal transmission wire. According to the method, the electrical monitoring data collector is utilized, the electrical power supply electrode, the measuring electrode and the electronic signal transmission wire arranged at the dam, a short straight line-shaped three-dimensional electrical method is adopted, and therefore, the electrical monitoring data of a dam can be dynamically monitored, the change rules of electrical monitoring data during different periods are analyzed, information related to the security of the dam can be extracted, and thus, the long-term dynamic monitoring of the security of the dam can be realized. Since the electrical monitoring data of the dam are dynamically obtained, the change conditions of the interior of the dam can be indirectly identified, and the nondestructive, long-term and dynamic safety monitoring of the dam can be realized. The electrical observation method has the advantages of high predictability and low monitoring costs.
Owner:CENT SOUTH UNIV

Code rate control method, code rate control device and wireless communication device

Embodiments of the invention provide a code rate control method, a code rate control device, and a wireless communication device. The code rate control method is used for wireless communication, and includes: acquiring a first code rate control target and a second code rate control target; determining an encoding parameter according to the first code rate control target and the second code rate control target; encoding video source data by using the encoding parameter, wherein the first code rate control target is a code rate control target in a first preset time period, the second rate control target is a code rate control target in a second preset time period, and the first preset time period is not shorter than the second preset time period. The method can realize long-term and short-term control of coding, and improve reliability of subjective experience and wireless picture transmission.
Owner:SZ DJI TECH CO LTD

Equipment hoisting structure

The invention discloses an equipment hoisting structure. The equipment hoisting structure comprises a cabinet used for installing equipment, two sets of movable stand column assemblies, an equipment lifting device, two sliding rod assemblies, a top clamping base and a hanging rod assembly are arranged on the cabinet, the top clamping base is installed at the top of the cabinet, the movable stand column assemblies are installed on the top clamping base, the hanging rod assembly is installed on the movable stand column assemblies, one end of the equipment lifting device is connected with the hanging rod assembly, the other end of the equipment lifting device can be connected with the equipment to realize lifting of the equipment, the front ends of the sliding rod assemblies penetrate throughthe movable stand column assemblies, the rear ends of the sliding rod assemblies are fixed in the cabinet, and two L-shaped clamping notches are formed in an equipment hanging frame on the equipment.The structure is simple in structural form, high in expandability and adjustability, and light in weight, is portable, safe, reliable, and is capable of being operated by a single person and installed without auxiliary tools such as a sleeve and a wrench, and rapid disassembly and assembly are realized by adopting the clamping type installation concept.
Owner:NANJING HUASHI ELECTRONICS SCI

Method for improving and enhancing efficiency of potassium-deficient and calcium-poor rice field by utilizing biomass charcoal

The invention discloses a method for improving and enhancing efficiency of a potassium-deficient and calcium-poor rice field by utilizing biomass charcoal. According to the method disclosed by the invention, rice straw biomass charcoal is used as a soil modifying agent and a fertilizer efficiency enhancing agent; one week before rice seedlings are transplanted, the rice straw biomass charcoal is added into the low-yield potassium-deficient and calcium-poor rice field in a ratio of 22.5t / ha; 2-3 days before the seedlings are transplanted, watering is performed to soften the field; one day before the rice seedlings are transplanted, a nitrogen, phosphorous and potassium compound fertilizer is applied in a ratio of 417kg / ha; one month after the rice seedlings are transplanted, a nitrogen, phosphorous and potassium compound fertilizer with the same specification is applied in a ratio of 500kg / ha; and in other aspects, the rice seedlings are cultivated according to a conventional rice planting manner in China. Compared with conventional fertilization management, the method has the advantages that while the yield of rice is not reduced for a long period, about 50% of an inorganic nitrogen fertilizer is reduced in each year; and the soil quality is effectively improved, and the content of potassium and calcium in the soil of different depths in the potassium-deficient and calcium-poor rice field is improved. The method has the advantages of simplicity in preparation, economical and practical performances, high efficiency and durability, strong operability and the like, and has an important guide meaning of improving and enhancing efficiency of the low-yield potassium-deficient and calcium-poor rice field.
Owner:ZHEJIANG UNIV

Coating material for coal, modified coal, process for the production of coating material for coal, and process for production of modified coal

A coating material for coal consisting of components of raw coal for coating material which are soluble in a non-proton-donating solvent. The components are contained in an extract obtained by a process comprising the extraction step of mixing the raw coal with a non-proton-donating solvent and extracting soluble components of the raw coal into the solvent and the solid-liquid separation step of separating an extract from an extraction residue. Modified coal can be obtained by applying the coating material to coal.
Owner:KOBE STEEL LTD

Moisture removal device for steam turbine

ActiveCN105324553BImprove moisture removal efficiencyAvoid corrosionEngine manufactureStatorsLeading edgeAcute angle
The object of the present invention is to improve the removal efficiency of the water film flow formed on the ventral surface of the stationary blade through simple processing of the stationary blade, suppress corrosion of the moving blade, form a hollow portion (12a) inside the stationary blade (12), The ventral surface (fs) of the stator vane of the steam flow (s) has an inlet opening (a), and a slit hole (22) communicating with the hollow portion (12a) is formed along the axial direction of the stator vane (12). The hollow portion (12a) communicates with a region of lower pressure than the flow portion of the moist vapor stream (s). The hollow part (12a) is depressurized, and the water film flow (sw) formed by the water droplets (dw) adhering to the ventral surface (fs) of the stator blade (fs) is sucked into the slit hole (22). The slit hole (22) is formed at the downstream end of the hollow part (12a) in the flow direction of the wet steam flow (s), and the side wall surface (22a) of the stator blade trailing edge of the slit hole (22) is arranged so as to be opposite to the ventral surface of the stator blade ( Since the reference plane on the leading edge side of fs) is formed at an acute angle, the inlet opening (a) can be arranged on the trailing edge (re) side of the stator blade.
Owner:MITSUBISHI HITACHIPOWER SYST LTD

Detection method of penetration performance of plant root system to pipeline anticorrosion layer

The invention discloses a method for detecting the performance of plant roots on penetrating a pipeline anticorrosion layer, and belongs to the field of pipeline anticorrosion. The method comprises the following steps: picking a target plant, digging a trench in an area, wherein the distance between the area and the trunk of the target plant is 0.8 to 1.3 m, exposing the plant roots in the trench;arranging a vertical wall in the trench; paving a pipeline anticorrosion layer on the lateral surface, which faces the target plant, of the wall; then paving at least one minirhizotron on the pipeline anticorrosion layer, wherein the lower opening of the minirhizotron is arranged on the bottom of the trench, and the upper opening of the minirhizotron is arranged on the opening of the trench; backfilling the trench, making the roots grow in a predetermined period, periodically inserting a linear scanning head of a minirhizotron root ecology monitoring system into the minirhizotron to carry outscanning so as to obtain scanning images; and utilizing a root analyzer to analyze the scanning images to obtain parameter information that represents the root morphologic change so as to determine the penetrating performance of the plant roots on the pipeline anticorrosion layer. The method is convenient to perform, and the data is reliable and easy to extract.
Owner:PETROCHINA CO LTD

Gas inlet control system of gas turbine

The invention relates to a gas inlet control system of a gas turbine. The gas inlet control system is characterized in that a central control unit adjusts an adjusting valve arranged on a nozzle and a guide vane opening and closing angle arranged on a gas compressor connected with a combustion chamber according to real-time carbon deposition thickness detection data so as to determine the initial guide vane opening and closing angle and the opening and closing degree of the adjusting valve, and meanwhile, a detection interval is set, the carbon deposition thickness is detected again after the interval is detected, the guide vane opening and closing angle and the adjusting valve parameters are corrected, and the whole detection process is periodic, so that the guide vane opening and closing angle and the opening and closing degree of the adjusting valve in the gas turbine are continuously and accurately controlled, and the optimal combustion effect is obtained.
Owner:广州大学城华电新能源有限公司

An equipment hoisting structure

The invention discloses an equipment hoisting structure, which comprises a cabinet for installing equipment. The cabinet is provided with two groups of movable column assemblies, equipment lifting devices, two sliding rod assemblies, top clamping seats, and hanging rod components. The top clamping The seat is installed on the top of the cabinet, the movable column assembly is installed on the top clamping seat, the hanging rod assembly is installed on the movable column assembly, one end of the equipment lifting device is installed and connected with the hanging rod assembly, and the other end can be connected with the equipment to realize the lifting of the equipment , the front end of the sliding rod assembly passes through the movable column assembly, and the rear end is fixed in the cabinet, and two L-shaped notches are provided on the equipment hanger on the equipment. The invention has the advantages of simple structure, strong expandability, strong adjustability, the whole set of mechanism is light in weight and can be carried around, safe and reliable, can be operated by a single person, can be installed without auxiliary tools such as sleeves and wrenches, and adopts snap-in installation Concept, realize quick disassembly and assembly.
Owner:NANJING HUASHI ELECTRONICS SCI

Aluminum oxidation wastewater treatment and reclaimed water reuse technology

The invention relates to aluminum oxidation wastewater treatment and reclaimed water reuse technology, which is characterized in that the technology mainly comprises the steps of pretreatment, electric coagulation, micro-filtration and reverse osmosis; pretreating high fluoride-containing wastewater, ammonia-containing wastewater and nickel-containing wastewater respectively, and centralizedly draining the wastewater to a wastewater disposal basin with other production wastewater in a workshop; sending the wastewater into a pH adjustment tank, conveying the wastewater to an electric coagulation machine for electric coagulation treatment after the pH value is adjusted to be between 4 and 6, making the wastewater after the electric coagulation treatment enter an electric coagulation discharge bay, sending the wastewater to a micro-filtration concentration tank, conveying the wastewater to a micro-filtration system, and collecting a micro-filtration effluent to a reuse water basin; and conveying one part of water in the reuse water basin to the workshop for reuse, quantificationally draining one part, conveying the other part to a reverse osmosis system to produce pure water, and storing the pure water in a pure water storage tank. In sum, the technology can effectively remove heavy metals and salts in the wastewater, ensure that the COD in the treated wastewater is less than or equal to 25 mg / L, cannot cause secondary pollution of reuse water due to adding a coagulating agent and a flocculating agent, and has high reuse rate of reclaimed water.
Owner:江阴新苏铝科技有限公司

Dynamic soft-measuring method of ingredients of regenerated flue gas generally regenerated by catalytic cracking device

InactiveCN101650566BAchieve long-termImprove CO concentration soft measurement accuracyTotal factory controlProgramme total factory controlDynamic modelsAdditive ingredient
The invention relates to a dynamic soft-measuring method of ingredients of regenerated flue gas generally regenerated by a catalytic cracking device, which belongs to the technical field of production process soft measurement. The method is characterized by comprising the following steps: utilizing a dynamic model of mechanism analysis of a regenerator to preliminarily estimate the mol flow of all main ingredients of the regenerated flue gas and the heat capacity of the regenerated flue gas; utilizing the heat balance of a CO incinerator to further estimate the CO content of the regenerated flue gas more accurately; returning the estimation value of the CO content into the dynamic model of the mechanism analysis of the regenerator, and calculating more accurate CO content; repeating the iterative algorithm, and estimating important immeasurable variables of the regenerator when the CO estimation value is converged. By jointly utilizing the dynamic model of the mechanism analysis of the regenerator and the heat balance of the external CO incinerator and adopting the combined way of an on-line and real-time process computing technology and a dynamic model observation technology, theinvention achieves the dynamic soft measurement of immeasurable variables of the regenerator in the catalytic cracking device and provides helps for safety production as well as energy saving and consumption reduction in important production processes.
Owner:TSINGHUA UNIV

An Electric Observation Method for Dyke Dynamic Monitoring

The present invention discloses an electrical observation system and method for dam dynamic monitoring. The system comprises a remote data management platform, a field data management platform, an electrical monitoring data collector, an electrical power supply electrode, a measuring electrode and an electronic signal transmission wire. According to the method, the electrical monitoring data collector is utilized, the electrical power supply electrode, the measuring electrode and the electronic signal transmission wire arranged at the dam, a short straight line-shaped three-dimensional electrical method is adopted, and therefore, the electrical monitoring data of a dam can be dynamically monitored, the change rules of electrical monitoring data during different periods are analyzed, information related to the security of the dam can be extracted, and thus, the long-term dynamic monitoring of the security of the dam can be realized. Since the electrical monitoring data of the dam are dynamically obtained, the change conditions of the interior of the dam can be indirectly identified, and the nondestructive, long-term and dynamic safety monitoring of the dam can be realized. The electrical observation method has the advantages of high predictability and low monitoring costs.
Owner:CENT SOUTH UNIV

A monitoring method for slurry cracks based on strain loss

ActiveCN110954006BAchieve long-termProvide long-term effectiveUsing optical meansSlurryFiber gratings
The invention discloses a slurry crack monitoring method based on strain loss. A system for measuring the strain of a slope anchor rod and anchoring slurry and a set of algorithm for accurately calculating the crack condition of the anchoring slurry are adopted; actual measurement data based on a fiber bragg grating strain sensor is accurately obtained; through precise calculations, specific expansion indexes of the cracks of the anchoring slurry are given; the method can be effectively suitable for monitoring and calculating the anchoring slurry cracks in the severe slope environment for a long time, the sizes of the anchoring slurry cracks are accurately provided, landslide risk assessment is facilitated, the method is low in cost, high in reliability and high in calculation precision, and long-term and real-time monitoring of the slurry health of the anchoring structure is effectively achieved. The method is applied to the technical field of anchoring structure monitoring.
Owner:WUHAN UNIV OF TECH

Test device for simulating collision friction between water stop material and ice and test method thereof

The invention discloses a test device for simulating collision friction between a water stop material and ice and a test method thereof, and relates to a test device and a test method thereof. The problem that an existing test device cannot simulate rubber and ice collision friction and contact friction tests in an outdoor complex climatic environment is solved. A top plate and a bottom plate areinstalled at the two ends of an organic glass cylinder in a sealed mode, a sample rotating shaft is installed in the organic glass cylinder, one end of the sample rotating shaft is connected with an output shaft of a stepping motor, the other end of the sample rotating shaft is installed on the bottom plate in a rotating mode, and a tested water stop material is installed on the sample rotating shaft through a bolt. The method comprises the steps of installing a water stop material; injecting an anti-freezing solution and ice cubes into the organic glass cylinder; simulating the process of collision and friction between the water stop material and ice; ensuring that the test state is the same as the initial state; and after the test is finished, taking out the sample, carrying out tensilestrength and elongation at break test, and calculating the tensile strength and elongation at break. The device is used for simulating the collision friction between the water stop material and ice.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST

Graphite crucible for single crystal pulling device and manufacturing method thereof

The present invention provides a graphite crucible for a single crystal pulling device that can extend its service life and a manufacturing method thereof. The graphite crucible (2) holding the quartz crucible (1) is composed of a graphite crucible base material (3) which is a graphite crucible molded body, and a coating (4) formed on the entire surface of the graphite crucible base material (3). The coating film (4) Carbide containing phenolic resin. The phenolic resin is impregnated into the pores (5) present on the surface of the graphite crucible base material (3). The formation of the coating (4) is not limited to the entire surface of the graphite crucible, and may only be a portion that is easily SiC-formed. For example, it may precipitate only on the entire inner surface of the crucible, or it may precipitate only on the curved part (small R part) of the inner surface, or only on the curved part and the straight part.
Owner:TOYO TANSO KK

Code rate control method, code rate control device and wireless communication equipment

An embodiment of the present invention provides a code rate control method, a code rate control device, and a wireless communication device. The code rate control method is used for wireless communication, and includes: acquiring a first code rate control target and a second code rate control target; Determine encoding parameters according to the first rate control target and the second rate control target; use the encoding parameters to encode video source data; wherein, the first rate control target is a first preset time A rate control target within a segment, the second rate control target is a rate control target within a second preset time period, and the first preset time period is not shorter than the second preset time period. The example of the present invention can realize long-term and short-term control of encoding, and improve subjective experience and reliability of wireless image transmission.
Owner:SZ DJI TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products