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71 results about "Process flow diagram" patented technology

A process flow diagram (PFD) is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and designations. Another commonly used term for a PFD is a flowsheet.

Remote monitoring system of air compressor

The invention relates to a remote monitoring system of an air compressor. The system is designed regarding the technical problems that remote monitoring operations of similar products are inconvenient, and the energy saving effect is poor. The system is characterized in that a system navigation composed of grouping pull-down menus is arranged on the upper portion of a system flow main page on an air compressor automatic monitoring system of the system and comprises a process flow diagram, a historical trend, an alarming setting and a statement querying button, the process flow diagram is arranged on the lower portion of the system flow main page, and an air compressor icon of the process flow diagram is provided with a remote control operation panel of the air compressor; a dryer and a pipeline of an air storing tank are arranged on an air pipe hanging frame railway in a workshop, an air-operated connecting control cabinet is arranged above the air pipe hanging frame railway of a workarea, and the air pipe hanging frame railway is provided with a work radio frequency sensing area; an interface pressure sensor and an interface temperature sensor of the air-operated connecting control cabinet are connected with an MCT central operation station through wireless transmitters, and a connecting pipeline of an air-operated screw driver is connected with a pipe joint of the air-operated connecting control cabinet.
Owner:杭州裕达自动化科技有限公司

Travelling crane pre-judging, scheduling and controlling method for electroplating production line

The invention discloses a travelling crane pre-judging, scheduling and controlling method for an electroplating production line. The method comprises the steps that a process flow diagram is compiled according to each process requirement; a unique procedure code is distributed to each procedure according to the process flow diagram; a complete control sequence of each process product is calculated and generated; whether each process product conflicts with an on-line product during on-line production or not is judged; products capable of being subjected to an on-line production process are locked, the complete control sequences of the products are updated to an execution area, and the transporting task of the takt is executed according to the control sequences; scheduling and transporting of the takt are executed, meanwhile, the production task of the next takt is prepared, and transporting of the next takt is directly started after the scheduling and transporting task of the takt is executed; and a travelling crane executes carrying tasks according to the process paths and process time of all the products, and the products are carried to procedures specified by the control sequences to complete the transporting task of the takt. According to the method, multiple process products can be produced in a mixed manner at the same time, the production efficiency is improved, and the product quality is guaranteed.
Owner:WUXI XINGYI INTELLIGENT ENVIRONMENT EQUIP CO LTD

A building construction quality control method based on BIM and VR technologies

The invention discloses a building construction quality control method based on BIM and VR technologies. The method comprises the following steps: creating a node deepening graph of each professionalvirtual process sample plate; Creating a visual process sample plate based on the BIM technology; Based on the BIM technology, marking the detail component, the material, the quality acceptance standard diagram and the construction process flow diagram in the virtual process sample plate, and rendering and creating a 4K-level process node diagram; Creating a virtual process sample plate three-dimensional panorama by using a VR technology; Compiling detail node introduction and description audio files in the virtual process template; Uploading the BIM + VR virtual process template drawing and the audio file to a VR-level cloud management platform; Adding a virtual process template construction process introduction audio file into the VR-level cloud management platform; The application of the BIM technology and the VR technology in the virtual process sample plate is realized, the land-saving, material-saving and energy-saving green construction management concept is realized, and the economic benefit and the social benefit are very high.
Owner:中建五局第三建设有限公司

Knowledge-based assembly process design method and system and medium

PendingCN110851499ARapid process designIntelligent assembly process designRelational databasesKnowledge representationProcess engineeringProcess definition
The invention provides a knowledge-based assembly process design method and system and a storage medium. The knowledge-based assembly process design method comprises the following steps: a process knowledge modeling step: constructing an assembly process knowledge model; a process knowledge base building step: building an assembly process knowledge base; a process flow defining step: defining an assembly process flow to obtain an assembly process flow diagram; a process knowledge screening step: screening the assembly process knowledge to obtain an optimal process instance; an assembly processstructuralization step: generating a structuralized assembly process according to the optimal process instance; and a normativity examination step: automatically examining the normativity of the assembly process. Expression, association and storage of a large amount of complex heterogeneous process knowledge are realized, a unified spacecraft assembly process knowledge base is constructed, and knowledge-based rapid process design is supported. Knowledge-based and intelligent assembly process design based on the process flow and knowledge is realized, so that the process design efficiency is greatly improved. The design quality of the process file is effectively ensured.
Owner:SHANGHAI INST OF SATELLITE EQUIP

Method and apparatus for interactively manipulating and displaying presumptive relationships between graphic objects

A presumptive mode computer aided design and drafting system for interactively manipulating and displaying graphic objects that employ predefined rules to govern the geometric layout and logical relationships representing a physical design, schematic or process flow diagram. The system is configured to comply with the rules employed by various design disciplines. Specific interactive computer graphics behavior is dynamically accessed to interactively update graphic object relationships according to rules of geometric conduct. The rules of geometric conduct may be stored in external databases along with parameters to verify the logical relationships of the graphic objects used in the drawing. Object orientation is employed in the software design of the system to allow new devcies or procedures to adopt the behavior of existing definitions. In the preferred embodiment, a selected object floats with a cursor in a graphic environment until located in proximity with underlying graphic objects. The selected object then aligns, jumps and clings to the underlying graphic object or objects according to predetermined rules. For example, the object is automatically rotated, orientated and positioned relative to a cling point into a correct relationship with the underlying object without further input by the operator. Further, the selected object slides along the underlying graphic object maintaining the correct geometric relationship while the operator moves the cursor in proximity with the underlying graphic. The operator either accepts the presumed relationship or moves the cursor away to uncling the selected object.
Owner:AUTODESK INC

Three-dimensional in-station pipe network and device information three-dimensional display method for unite station

The invention discloses a three-dimensional in-station pipe network and device information three-dimensional display method for a unite station. The method comprises the steps of performing data acquisition and arrangement on the unite station once, enabling outdoor workers to carry a professional camera and a three-dimensional laser scanning device, performing non-contact scanning measurement and shooting on supported pipelines of the unite station under the cooperation of oil field unity station technicists, and making sure underground pipeline directions by utilizing pipeline marks and a process flow diagram and querying an oil field worker; performing supported pipeline modeling according to scanned point cloud by utilizing 3D MAX software, and then importing a pipeline model into unity 3D to realize pipeline information display; and finally publishing the unity 3D on a webpage to realize online access. The method has the beneficial effects that three-dimensional in-station pipeline and device three-dimensional display of the unite station is realized through a Unity 3D engine, database access is realized through mouse click event triggering, and pipeline information is displayed on a screen, so that the difficult problem in device information display in the past is solved.
Owner:SHANDONG TIANYUAN INFORMATION TECHNOLOGY CO LTD

Practical training operating platform for sludge incinerator in sewage treatment plant

The invention discloses a practical training operating platform for a sludge incinerator in a sewage treatment plant. The practical training operating platform comprises a bottom plate and a controller running practical training management software, wherein a touch screen, a material layer pressure difference simulation display meter, a top negative pressure simulation display meter, a draught fan A value simulation display meter and a draught fan B value simulation display meter which are electrically connected with the controller are embedded into the upper part of the front side of the bottom plate; a process flow diagram of the incinerator is drawn at the lower part of the front side of the bottom plate, and a digital display meter, an operating button, a tuning button and a simulation pipeline indicating lamp which are electrically connected with the controller are embedded into the lower part of the front side of the bottom plate; and the controller is arranged on the back of the bottom plate. During practical training operation of a trainee, the operation steps of the trainee are automatically recorded into the software system, and after the operation is completed and a submission button is clicked, all the operation steps of the trainee are automatically displayed on the system interface of the touch screen and compared with an answer database to automatically obtain a practical training result. The practical training operating platform is suitable for teaching and examination of sludge incinerator operation.
Owner:TAOPU SEWAGE TRAEATMENT PLANT OF SHANGHAI CHENGTOU SEWAGE TREATMENT

Online configuration method for gas station SCADA system process flow diagrams

The invention provides an online configuration method for gas station SCADA system process flow diagrams. The method comprises the following steps: S1, drawing process flow diagram templates for various station types, and initializing the templates in a company level data storage server; S2, during station level process flow diagram configurations, according to a corresponding template file acquired by each gas station type, carrying out S3 when the actual process flow of each station is identical to the corresponding template, and carrying out S4 when the actual process flow of each station is different from the corresponding template; S3, saving the acquired corresponding template file in a station level data storage server to complete station level configurations; and S4, carrying out operations on the corresponding process flow diagram template file according to the actual situations of each gas station to complete the station level configurations, saving each updated process flow diagram in the station level data storage server of the corresponding station, uploading each updated process flow diagram in a real time manner to the company level data storage server for storage through the WCF/TCP communication mode, and releasing received data on the Ethernet through the WEB page mode. The method provided by the invention can greatly reduce the workload and cost.
Owner:中国石化销售股份有限公司 +2

Method for identifying and outputting pipeline number from AutoCAD format process flow diagram

The invention relates to a method for identifying and outputting a pipeline number from an AutoCAD format process flow diagram, in particular to a process pipeline table compiling part in medical engineering design, and realizes AutoCAD secondary development and a DLL program through VB.Net. The method comprises the implementation steps: opening AutoCAD, loading the DLL program, reading in processflow diagram file data, newly establishing a diagram layer, drawing a diagram frame rectangular frame, selecting a rectangular frame diagram layer, selecting all drawings needing to be processed, obtaining block table records, filtering layers, obtaining a rectangular frame object set and corner coordinates, traversing all rectangular frames, obtaining a single-row character object set in the corner coordinates of the rectangular frames, traversing all single-row character objects, judging whether a single-row character text is a pipeline number or not, storing the single-row character text in a data list, output the data list to an Excel file, and saving the Excel file. The method is rapid, efficient, convenient to use, high in accuracy and good in reliability, the automation degree andaccuracy of process professional work are improved, and the timeliness of process professional pipeline table compiling work is guaranteed.
Owner:SINOPEC SHANGHAI ENG +1

Resource recovery-based automatic corrugated board glue making system

InactiveCN102796467AEasy to adjustThe running screen is accurate and clearStarch adhesivesCycle controlSoftware
The invention discloses a full-automatic glue making system for improving corrugated board glue making performance and resource recovery. The system mainly comprises two aspects, namely a full-automatic corrugated board glue making system and a resource recovery-based corrugated board glue making recycle process (a domestic wastewater recovery process flow diagram is shown as figure 1). The full-automatic corrugated board glue making system mainly comprises software and hardware equipment of the glue making system, and matched large and small cycle control systems; by high process control over pasting temperature, viscosity, solid content and glue temperature, unstable glue quality caused by human factors is radically avoided, the high quality of products is ensured, and high efficiency and low consumption in the production process are ensured. The resource recovery-based corrugated board glue making recycle process mainly comprises steps of using the treated domestic wastewater as production water for the automatic glue making process and treating and recycling glue making wastewater. By the two aspects, water for the whole production system is organically cycled, so that cyclic production is realized, water resources are recycled, the full-automatic glue making system accords with low-carbon production and environmental protection concepts supported by China, and a green idea is combined into the glue making system.
Owner:黄遂兢

Preparation method of ceramic substrate for medium-free copper-coated gold-deposited light-emitting diode (LED) package

The invention discloses a preparation method of a ceramic substrate for medium-free copper-cladding gold-deposited light-emitting diode (LED) package. The preparation method comprises the following steps of sintering a ceramic wafer, in which ceramic powder is subjected to die forming and then placed in an environment at 1,000-1,020 DEG C for sintering for 8 to 10 minutes to obtain the ceramic wafer; coating copper, in which copper is coated on the upper surface of the ceramic wafer by a vacuum mist plating method to form a copper foil; etching, in which the useless copper foil is corroded with dilute sulphuric acid according to a process flow diagram to reserve the useful copper foil as a circuit; depositing gold, in which gold liquid medicine passes through the substrate with the circuit already etched so that the gold is deposited on the copper foil to obtain a finished product. According to the preparation method, a medium-free copper cladding technique is adopted, and the excellent heat conduction performance of primary copper and ceramic is maintained; and the gold is deposited on the copper, the chemical reaction of the gold is stable, the vulcanization problem is effectively solved, and the electrical property of the product and the long-term maintenance rate of light refraction are further improved.
Owner:郭垣成

Production process recording method and device based on flow chart and table

The invention discloses a process recording method based on a flow chart and a table. The method comprises the steps of obtaining a target production process flow corresponding to a production process, evaluating a target production process flow according to a preset process complexity standard; if so, generating execution record information of each process by adopting a first process execution mode; otherwise, generating execution record information of each process by adopting a second process execution mode, wherein the first process execution mode obtains a process execution sequence through a process flow diagram, the second process execution mode obtains a process execution sequence through a work table sequence in a process table document comprising a plurality of work tables, each work table correspondingly comprises a process record template in a target production process; and finally, splicing the process execution record information to generate batch record information for recording the production process. When the manufacturing process which is diverse and frequently adjusted is generated, the process recording sequence and the recording content can be flexibly adjusted,and the process can be reused in similar processes and processes, so that the customized implementation period is shortened under the condition that the actual production requirements are met.
Owner:MINGDU ZHIYUN (ZHEJIANG) TECH CO LTD

Management system and method for research, development, transformation and production of medical instruments

InactiveCN109800994AStandardized managementTo overcome the problem of information asymmetryResourcesManufacturing computing systemsProduction lineManagement system
The invention discloses a management system and method for research, development, transformation and production of medical apparatuses and instruments, and the system comprises the steps: allocating corresponding production line role permissions to user terminals of production personnel after calling a medical apparatus and instrument process flow chart, and exporting a complete medical apparatusand instrument production record after generating the medical apparatus and instrument production record. Compared with the prior art, the method has the advantages that the cost is low;, According tothe invention, a mode of calling the medical apparatus and instrument process flow diagram formed by research and development conversion data is utilized; paper research and development conversion data with poor readability is visualized; and the research and development are converted into the research and development, the production implementation process is completely integrated and recorded; According to the system and the method, the data chain is closed, the problem of information asymmetry between medical instrument research and development information release and medical instrument production is solved, resources are shared in the production realization process and the research and development conversion process, the consistency of the production realization process and the research and development conversion process is ensured, and the management of research and development conversion production is standardized.
Owner:广州奥咨达医疗器械技术股份有限公司 +1
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