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468results about How to "Reduce operational risk" patented technology

Storage mildew-proof and moth-proof packaging hemp cloth and preparation method thereof

The invention provides storage mildew-proof and moth-proof packaging hemp cloth and a preparation method thereof. The hemp cloth comprises green harmless storage protective agent and is prepared by taking common packaging hemp cloth as a material and adding 0.01-10wt% of storage protective agent. The preparation method comprises the following steps of: dissolving the storage protective agent in a solvent to prepare a solution, then impregnating the hemp cloth in the protective agent solution, removing the solution after the hemp cloth sufficiently absorbs the solution, and drying; or dissolving the storage protective agent in the solvent, then uniformly spraying the protective agent solution on the hemp cloth and drying the hemp cloth after the hemp cloth sufficiently absorbs the protective agent solution to prepare the storage mildew-proof and moth-proof packaging hemp cloth. The storage hemp cloth is used for packaging tobaccos or crops, can realize the whole process dynamic and real-time protection of the tobaccos, the crops and the like in purchase, transport and storage processes, protect products from mildew and moths, effectively prevent the mildew and the moths from spreading between bags and prevent the tobaccos, the crops and the like which are soaked by rain water from mildewing. Besides, the invention has an important function for reducing environment pollution and hidden safety danger which are caused by common technologies.
Owner:ZHENGZHOU UNIV

Digital underground layering water injection testing and adjusting process pipe column and operation method thereof

ActiveCN103362486AReal-timeRealize deploymentSurveyConstructionsEngineeringWorkload
The invention discloses a digital underground layering water injection testing and adjusting process pipe column and an operation method thereof. According to the purpose, the instantaneous flow rate and the accumulative total injection rate of a single reservoir stratum can be monitored and recorded in real time underground, pressure of the reservoir stratum is monitored in real time, underground well shut-in layering pressure drop is tested, and bi-directional transmission of data and orders between a down-hole and the ground is carried out in a wireless mode. The process pipe column is formed by connecting a multistage digital water distributor and an Y344 water injection packer through an oil pipe, and eliminates steps of testing and allocating steel wires of the flow rate compared with an existing water distributor and a packer used for layering water injection. Meanwhile, the instantaneous flow rate and the accumulative total injection rate of the single reservoir stratum can be monitored and recorded in real time underground, the pressure of the reservoir stratum is monitored in real time, and the underground well shut-in layering pressure drop is tested. The pipe column can greatly reduce workloads of matching tests and pressure-drop tests of an oil field layering water injection well, provides the true and reliable accumulative total injection rate of the single stratum, and provides reliable evidence for policy adjustment of the oil field development technology.
Owner:PETROCHINA CO LTD

Real-time adjustable and controllable hanging type underground oil and water separating system

The invention discloses a real-time adjustable and controllable hanging type underground oil and water separating system, which comprises an underground sleeve pipe, a water injection oil pipe, an oil extracting oil pipe and a flow rate control valve, wherein the flow rate control valve is arranged at the wellhead part, the aboveground ground is provided with a visual control device, a hanging type three-way joint connected with the oil extracting oil pipe, an oil and water separator and the water injection oil pipe is arranged in the sleeve, the oil and water separator is connected with an electric submersible pump unit, a water injection pressure regulating device is arranged on the water injection oil pipe, a flow rate and pressure monitoring instrument is arranged in the electric submersible pump unit, a flow rate and pressure monitoring instrument and a regulating valve are arranged in the flow rate control valve, monitoring instrument cables and signal transmission cables are respectively connected among the electric submersible pump unit, the water injection pressure regulating device, the flow rate control valve and the visual control device, the visual control device converts received real-time flow rate and pressure signals into visual data to be output, and the work of the whole system is regulated and controlled. The hanging type underground oil and water separating system has the advantages that the stability is high, the treatment capability is high, and the hanging type underground oil and water separating system can be widely applied to an oilfield same-well production injection process.
Owner:CNOOC ENERGY TECH & SERVICES

Evaluating method for closure property of lithologic gas reservoir type gas storage

InactiveCN107975362AEvaluation Method ScienceThe evaluation method is reliableSurveyReservoir typeEngineering
The invention belongs to the technical field of evaluation for gas storages of gas fields, and particularly relates to an evaluating method for a closure property of a lithologic gas reservoir type gas storage. The evaluating method comprises the steps that evaluation of the closure property of a cover plate and a bottom plate is performed, specifically, the macroscopic closure property of the cover plate and the bottom plate is evaluated firstly, and then the microscopic closure property of the cover plate and the bottom plate is evaluated; the evaluation of the closure property of a lateralboundary is performed, specifically, the microscopic closure property of the lateral boundary is evaluated firstly, then a spatial form of the lateral boundary is evaluated, and finally dynamic evaluation of the lateral boundary is performed; and the overall sealing capability of the gas storage is inspected. According to the evaluating method for the closure property of the lithologic gas reservoir type gas storage, the problem that no systematic evaluating method for the sealing capability of the lithologic gas reservoir type gas storage is obtained in the prior art is solved; and the evaluating method is scientific, reliable, and highly operable on site, the sealing property of the gas storage is more accurately judged, the problem that the closure property of the lithologic gas reservoir type gas storage is difficult to demonstrate due to the trapped boundary is solved, the construction risk and the operational risk of the gas storage are reduced, and the safety of the gas storageis improved.
Owner:PETROCHINA CO LTD

Miniature salvage drilling device and method coordinated with ROV (Remote Operated Vehicle) for marine oil tanker

The invention belongs to the technical field of marine ships, and discloses miniature salvage drilling device and method coordinated with ROV for a marine oil tanker. The device comprises a main frame, a pre-positioning device, an accurate positioning device, a hollow drilling rig, an oil pumping valve, a hydraulic control valve unit, an electronic control cabin and an assorted sensor, wherein the oil pumping valve is connected with the main frame through a clamping mechanism of the oil pumping valve; the pre-positioning device is arranged on the periphery of a front base plate of the main frame; the accurate positioning device is arranged on the front base plate of the main frame; the hollow drilling rig is arranged in the center of the main frame; the hydraulic control valve unit, the electronic control cabin and the assorted sensor are arranged at the rear part of the main frame. The miniature salvage drilling device disclosed by the invention is small in volume and light in weight, can be conveniently loaded by the ROV to carry out operations under seawater without the complicated hoisting operation, and can further be attached to a ship wreck in any random posture, so that the device is very suitable for the situation that the posture of the ship wreck is undefined in the seabed.
Owner:SHANGHAI JIAO TONG UNIV

Large space optical remote sensor four-dimensional regulating device

ActiveCN103963032AMeet the needs of high-precision attitude adjustmentSimple structureWork benchesEngineeringFoot type
The invention provides a large space optical remote sensor four-dimensional regulating device, and belongs to the field of pose regulating devices used for ground installation and calibration of large precise optical equipment. The device comprises a bearing frame, a sliding block rocker type turning mechanism, two multi-foot type air floation supporting mechanisms, a spherical secondary supporting mechanism, a torsional pendulum regulating mechanism, a torsional pendulum keeping mechanism and a heavy load transitional motion assembly. When the device is used, the operation risk of an optical remote sensor in an installation process is low, and a pitching motion range is large when the pose is regulated; the multiple air feet are connected in parallel for use, the creeping phenomenon is effectively eliminated, and torsional pendulum regulating accuracy is improved. A fixed transitional motion supporting point is used in cooperation with an air floatation supporting point to constitute a four-dimensional small-route driving system having the high-resolution fine-tuning function, the device can meet the high-resolution pose regulation requirement for the optical remote sensor of optical detection, the shafting structure is greatly simplified, and installing and regulating difficulty is lowered. The device is small in appearance size, low in rotating center of gravity, short in production phase, capable of being used for the fields of installing, fixing, position pose regulating and the like of large space optical remote sensors.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Highway agglomerate fog early warning system and early warning method based on unmanned aerial vehicle and vehicle-highway cooperation

The invention discloses a highway agglomerate fog early warning system and early warning method based on an unmanned aerial vehicle and vehicle-highway cooperation. The highway agglomerate fog early warning system comprises a UAV (unmanned aerial vehicle) monitoring system, a road side monitoring system, a geographical information system and a forecasting system. The UAV monitoring system comprises a UAV, a portable visibility meter and a video camera which are fixedly arranged on the UAV, and an airborne communication module communicated with the geographical information system. The road sidemonitoring system comprises a fixed visibility meter fixedly arranged at one side of the preset road section and in communication connection with the geographical information system. The forecastingsystem comprises a road side unit in communication connection with the geographical information system. The system realizes time-space monitoring of highway agglomerate fog in a large area based on the UAV and the vehicle-highway cooperation technology, and can carry out differential warning on individual vehicles in a separated road section and warning level manner, thereby greatly reducing operation risk under the highway agglomerate fog meteorological conditions and improving highway operation efficiency.
Owner:TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE

Automatic software project development all-link configuration management system

The invention relates to an automatic software project development all-link configuration management system. The system comprises a version management system, an optional template project, a continuous project building system, a project deploying system, a public service resource system and an automatic operation and maintenance management system, wherein the version management system is used for managing the historical versions, branches and labels of codes; the optional template project is used for generating the basic codes of a new project; the continuous project building system is used for continuously monitoring the version change of a code library, automatically executing unit testing and generating a testing report; Maven is used to compile source codes and generate a release package; the project deploying system is used for pre-generating a container template according project capacity requirements and deploying a container instance according to the project release package; the automatic operation and maintenance management system is used for controlling all flow nodes and calling the interfaces of each subsystem to generate or acquire necessary resources. By the system, automatic configuration and management of the whole life cycle of a project are achieved, project configuration and management is clear and ordered, and enterprises can be helped to save cost.
Owner:上海宝尊电子商务有限公司

Method and system for enterprise customer to perform financing settlement and management

The invention discloses a system and a method for enterprise customers to make fund settlement and management. To solve the problem that in the prior art, a plurality of bank cards are mutually matched to make finance operation aiming at the multi-settlement account of the enterprise, a method for enterprise customers to make fund balance and management is provided. The invention is characterized in that: a multi-to-multi corresponding relation is established between a bank card number and a settlement account number of the enterprise, a file of the corresponding relation between the bank card number and the settlement account number is established; when the customer initiates a transaction request through the bank card, the information of at least one settlement account which has a corresponding relation with the bank card is returned to the customer for the customer to select a settlement account to be operated. The system and the method have the advantages that: the efficiency of financial work of the enterprise can be improved through the multi-to-multi matching mode between the bank card and the settlement account of the enterprise; the setting of the authority specifies the function range of financial personnel, which assures the safety of the account of the enterprise.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Method for establishing temporary support moulding bed system for steel structure assembly

The invention provides a method for establishing a temporary support moulding bed system for steel structure assembly. The method comprises the following steps: establishing a three-dimensional simulation model of unit bodies needing to be assembled of a large steel structure via three-dimensional computer modeling software at first, and determining unit body assembly postures and assembly sections of the steel structure according to the simulation model, then, optimizing and establishing an assembly coordinate system according to the assembly postures of the unit bodies, outputting three-dimensional coordinate of each feature appearance control point of the structure to be assembled in the assembly coordinate system, and finally, designing the temporary support moulding bed system generating no mutual interference with unit body members according to the three-dimensional coordinate system and the unit body assembly postures of the steel structure. The method provided by the invention can be used for solving the problems of high assembly difficulty and high control precision of large space steel structures and particularly steel structures with complex space modeling, such as box-shaped curved steel structures and the like, reducing the height of a construction working plane in assembly construction, guaranteeing the assembly precision, reducing the working risk, improving the construction efficiency and predictability and maximally reducing auxiliary construction materials.
Owner:QINGDAO BAIJIANCHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Desulfurization wastewater pre-evaporation zero discharge treatment apparatus

The present invention discloses a desulfurization wastewater pre-evaporation zero discharge treatment apparatus, which comprises a denitration device, an air preheater, a dust remover and a desulfurization tower, wherein the denitration device the air preheater, the dust remover and the desulfurization tower are sequentially communicated through pipelines, the desulfurization tower is communicated to a wastewater box, the wastewater box is provided with an evaporator, an atomization nozzle is arranged inside the evaporator, the wastewater box and the evaporator are communicated through a wastewater pipeline, the evaporator is respectively provided with a gas pipeline and a wet gas pipeline, the gas pipeline is connected to the pipeline between the denitration device and the air preheater, and the wet gas pipeline is connected to the pipeline between the air preheater and the dust remover. Compared with the apparatus in the prior art, the apparatus of the present invention has the following characteristic that the high temperature gas flow is introduced to enhance the heat exchange between the high temperature gas flow and the desulfurization wastewater, such that the complete evaporation of the desulfurization wastewater during the being discharged out of the evaporator is achieved, the solid particles in the wastewater are re-collected after being dried, and the desulfurization wastewater zero discharge effect is achieved.
Owner:江苏中顺节能科技有限公司

Evaluation method for corrosion state of in-service power transmission line rod tower and metal framework

The invention relates to the technical field of electric power equipment detection and in particular relates to an evaluation method for a corrosion state of an in-service power transmission line rodtower and a metal framework. The evaluation method comprises the following steps: detecting each evaluation index of corrosion prevention performance and the substrate thickness of coating and platinglayers of the power transmission line rod tower and the metal framework; then calculating a deduction value of each index respectively and counting the deduction values according to a determined corrosion grade of a service environment of the power transmission line rod tower and the metal framework and a detection result, so as to obtain a deterioration degree; and comprehensively evaluating thecorrosion state of the in-service power transmission line rod tower and the metal framework. According to the evaluation method provided by the invention, the surface state and the corrosion degree of the coating and plating layer are evaluated according to the service environment, so that the corrosion state of the in-service power transmission line rod tower and the metal framework is evaluated. By adopting the evaluation method, the corrosion state of the in-service power transmission line rod tower and the metal framework can be evaluated, the evaluation is more accurate, and replacementor reinforcement and corrosion prevention treatment is carried out on the transmission line rod tower and the metal framework in time, so that the operation risks of power grids are reduced.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Leading industry based electricity demand prediction and early warning method

ActiveCN104794535AOptimize electricity purchase and sale transaction planReduce riskForecastingInformation technology support systemElectricityElectric power system
The invention relates to a leading industry based electricity demand prediction and early warning method, and belongs to the field of electricity system electricity demand analysis. The method includes performing time difference correlation analysis on industrial electricity consumption and a total electricity consumption sequence; predicting electricity consumption growth rates of each early-warning leading industry in following months virtually according to historical electricity consumption; calculating early warning success rate of each early-warning leading industry in history virtually; calculating early warning accuracy and coverage of each early-warning leading industry; calculating a mutual information value between each early-warning leading industry and the total electricity consumption sequence, and determining an electricity-demand-oriented early-warning leading industry set; calculating early warning threshold values of electricity demand growth rates of the early-warning leading industries; when the growth rates exceed the early warning numerical value range, sending out early warning signals, and performing rolling correction on follow-up electricity demand prediction. By the leading industry based electricity demand prediction and early warning method, electricity demand prediction accuracy can be improved, and supply and operation risks of a power grid can be reduced.
Owner:TSINGHUA UNIV +1

Police escort 4G video transmission system

The invention discloses a police escort 4G (4-Generation) video transmission system comprising a command center platform and a client, wherein the client is capable of inquiring about the information of an escort vehicle in the command center platform, wherein the command center platform is composed of a monitoring center, a center management server, a memory server and a decoder, and wherein the center management server obtains the real time image, voice information and position of the escort vehicle through a 4G network, and stores the information in the memory server; the monitoring center monitors the real time image, voice information and position of the escort vehicle obtained by the center management server, and processes problems encountered in the running process of the vehicle immediately; and the decoder decodes the information of the escort vehicle obtained by the center management server, converts the information into information that the client can recognize, and then provides the information for the client through a router for use. The police escort 4G video transmission system is capable of further enhancing the security management of the escort vehicle and improving holistic management efficiency and informatization degree.
Owner:上海信力唐电子信息科技有限公司
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