CN102156443A - Three-dimensional visual data monitoring method for plasma cracking coal process - Google Patents
Three-dimensional visual data monitoring method for plasma cracking coal process Download PDFInfo
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Abstract
The invention discloses a three-dimensional visual data monitoring method for a plasma cracking coal process. The method comprises the following steps: (1) constructing a three-dimensional visual monitoring system; (2) realizing mutual connection between a database system and the three-dimensional visual monitoring system; (3) representing and monitoring a dynamic process of fluid by utilizing three-dimensional particles; and (4) realizing the real-time monitoring of the plasma cracking coal process. In the method, the three-dimensional visual monitoring system for the plasma cracking coal process is constructed for monitoring the producing process in real time on the basis of the command and data connection between the three-dimensional visual monitoring system and the database system, and related data information is dynamically represented by utilizing the three-dimensional visualization technology, therefore human-machine interaction and dynamic data monitoring are realized, and decision support is provided for the monitoring and operation performance evaluation of the actual industrial production process.
Description
Technical field
The invention belongs to computing machine and data monitoring technical field, be specifically related to a kind of three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process.
Background technology
For process industry, three-dimensional visualization emulation and monitoring play an important role, the flow process details of the complexity mode by three-dimensional visualization can be presented visually, help to understand and each critical process process of grasp, improved three dimensional process monitoring capacity, helped to analyze and instruct actual production run industry spot.
The coal plasma pyrolysis technological process belongs to process industry, coal dust is produced important raw material of industry gases such as acetylene, ethene under hydrogen plasma cracking environment, can break the tradition of calcium carbide legal system acetylene, be again a kind of effective way of efficiently utilizing coal resources.Coal is the main fossil energy of China, and the high-efficiency cleaning utilization of coal resources is keys of alleviating the petroleum resources shortage, guaranteeing Chinese energy safety.Utilize hydrogen plasma Coal Pyrolysis technology to produce Elementary Chemical Industry raw materials such as acetylene ethene, have characteristics such as low-carbon (LC), low consumption of resources, low pollution.The coal plasma pyrolysis technological process need be used five kinds of equipment: plasma generation torch separates purifying plant with reactor, quencher, cleaner, heat transmission equipment, gas.The rapid cracking under the plasma arc environment of coal dust and hydrogen produces the cracking combination gas, then by fast cooling after the quencher, enter cleaner and carry out gas solid separation, remove dust particle, the while heat-shift, enter the gas-liquid separation purifying plant then, utilize absorbing agent to improve acetylene ethene isoconcentration.
Utilize visualization technique, with the complicated technology emulation visually of coal plasma pyrolysis technological process and monitored, by visual present of production real time data in supervisory system, help the integrated emulation and the optimal control of coal plasma pyrolysis technological process, for the industrial processes monitoring of reality and runnability assessment provide decision support.
But in existing process flow industry process data monitoring system, mainly utilize two-dimensional plane monitoring figure.Two-dimensional plane monitoring figure, be difficult to monitor the dynamic changing process of production run, production data and actual on-the-spot technological process can not be combined, can not visual pattern ground show the dynamic changing process of process fluid, can not directly show the data of technological process measurement instrument.
Summary of the invention
The invention provides a kind of three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process, instruct each other and being connected to come production run is monitored in real time of data by three-dimensional visualization supervisory system and Database Systems, and utilize three-dimensional visualization technique dynamically to present the related data information, realize that man-machine interaction and dynamic data monitor.
A kind of three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process comprises the steps:
(1) obtains the physical dimension data of all devices in the coal plasma pyrolysis technological process, and each equipment is set up the three-dimensional model of correspondence; The plane figure structural drawing of design all devices under the three-dimensional visualization projection guaranteed the realistic technology catenation principle of all devices, thereby makes up three-dimensional visualization supervisory system and relational database thereof.
Utilize each production equipment in the existing Three-dimensional Design Software article on plasma body Coal Pyrolysis technological process to set up corresponding three-dimensional model, call three-dimensional scenic, not only face shaping is realistic to make the three-dimensional model of each equipment, and inner structure is also consistent with actual field.
According to a complete set of process specification of coal plasma pyrolysis, under three dimensions, meet the technology catenation principle in order to make all appliance arrangements in the technological process, design the plane figure structural drawing of all appliance arrangements under the three-dimensional visualization projection.If there is the situation that technology connects that do not meet in the plane figure structural drawing, then need topological design again, guarantee that the plane figure structural drawing all is realistic technological principle with corresponding three-dimensional space layout, thereby make up three-dimensional visualization supervisory system and relational database thereof.
(2) gather to connect in the Database Systems of industry spot production technology data about the actual production operational process, according to the different monitoring time scale, Realtime Statistics in described production technology data and the described relational database is merged, realize that described Database Systems and three-dimensional visualization supervisory system interconnect.
Relational database comprises static list of data and dynamic data table.The attribute of each equipment and the data message of interconnected relationship in the static list of data storage three-dimensional visualization supervisory system; The dynamic data table is stored the Realtime Statistics in the actual production process, comprises the technological parameters such as temperature, pressure, liquid level, flow and control valve opening of equipment; Interactive instruction between three-dimensional visualization supervisory system and the Database Systems also is stored in the dynamic data table.
According to the different monitoring time scale, with in the Database Systems with the second/minute be the production technology data gathering of measurement unit in the relational database hour/day to be under the Realtime Statistics of measurement unit, fulfillment database system and three-dimensional visualization supervisory system interconnect.
(3) adopt the visualization technique of three dimensional particles to present the dynamic process of fluid in the three-dimensional visualization supervisory system, and then monitor the dynamic process of fluid in the three-dimensional visualization supervisory system.
In the three-dimensional visualization supervisory system, the attribute of the three dimensional particles of device interior includes in the coal plasma pyrolysis technological process: size, color, shape, quantity, transparency, flowing velocity, acceleration of gravity, viscosity, life cycle, rigid collision.Above-mentioned attribute is set shows the dynamic effect of (comprising coal dust, hydrogen, chilled water, water vapor, conduction oil, pyrolysis gas, methyl pyrrolidone absorbing agent, acetylene, ethene, high alkynes) of differential responses thing in the coal plasma pyrolysis technological process.
(4), realize the real-time monitoring of article on plasma body Coal Pyrolysis technological process, and then analyze actual production run situation by three-dimensional pointer scale and real-time digital on measurement instrument and the variable valve dial plate in the observational record three-dimensional visualization supervisory system.
In the three-dimensional visualization supervisory system, on each measurement instrument (comprising thermometric instrument, manometer, liquid level instrument, flow instrument) on every equipment and the variable valve dial plate three-dimensional pointer scale and real-time digital are arranged all, by the connection Database Systems, but real-time dynamic monitoring coal plasma pyrolysis technological process.
Wherein, the dynamic corner of three-dimensional pointer scale and real-time digital shows that formula is as follows:
In the formula: the corner of pointer is Φ
Point, the corner of numeral is Φ
Digit, F is three-dimensional direction vector, and A is concrete measurement parameter, and a is the pointer minimum scale value of each dial plate; θ is the minimum corner of each dial plate pointer, A
iBe measurement parameter each numeral after splitting according to numerical digit.
Method for supervising of the present invention makes three-dimensional visualization supervisory system and Database Systems form an organic whole with connecting each other, can free interaction data information realizes the integrated of whole 3 D monitoring system and cooperates.And the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process has been reproduced a three-dimensional environment consistent with actual field, utilize the visualization technique of three dimensional particles to present the dynamic effect of fluid in the three-dimensional visualization supervisory system, by connecting the Database Systems at actual production scene, observe pointer scale and real-time digital on three-dimensional instrument and the variable valve dial plate, the situation of change of technological parameter in the monitoring plasma body process of cracking coal in real time, and analyze real-time production status, produce forecast and status predication.
Useful technique effect of the present invention is:
(1) utilizes three-dimensional visualization technique, set up the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process, can in virtual three-dimensional environment, roam, strengthened presence, all process equipment models are consistent with actual field, make the user obtain feeling of immersion and also are familiar with the coal plasma pyrolysis technological process.
(2) by in the acquisition database system about the process data of production run process, the fulfillment database system is connected with the three-dimensional visualization supervisory system, the user is the production run situation of monitoring analysis reality in real time.
(3) utilize the visualization technique of three dimensional particles to present the dynamic effect of fluid in the three-dimensional visualization supervisory system, visual pattern ground presents the actual material production process at coal plasma pyrolysis technology scene.
Description of drawings
Fig. 1 is the step synoptic diagram of three-dimensional visualization data monitoring method of the present invention.
Fig. 2 is the concrete implementing procedure synoptic diagram of three-dimensional visualization data monitoring method of the present invention.
Fig. 3 is the plane figure structural drawing of all devices in the coal plasma pyrolysis technological process.
Fig. 4 is the three-dimensional pointer scale of measurement instrument in the three-dimensional visualization supervisory system and the displaying principle figure of real-time digital.
Fig. 5 is the liquid level data monitoring curve map of equipment in the coal plasma pyrolysis technological process.
Fig. 6 is the pressure data monitoring curve map of equipment in the coal plasma pyrolysis technological process.
Fig. 7 is the temperature data monitoring curve map of equipment in the coal plasma pyrolysis technological process.
Fig. 8 is the data on flows monitoring curve map of equipment in the coal plasma pyrolysis technological process.
Fig. 9 is the aperture data monitoring curve map of variable valve in the coal plasma pyrolysis technological process.
Figure 10 is the design sketch of the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process.
Figure 11 is the monitoring effect figure of the dynamic process of fluid in the three-dimensional visualization supervisory system.
Figure 12 is the monitoring effect figure of measurement instrument and variable valve data in the three-dimensional visualization supervisory system.
Embodiment
In order more specifically to describe the present invention, three-dimensional visualization data monitoring method of the present invention is elaborated below in conjunction with the drawings and the specific embodiments.
As shown in Figure 1, a kind of three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process comprises the steps:
(1) makes up the three-dimensional visualization supervisory system.
Obtain the physical dimension data of all devices in the coal plasma pyrolysis technological process, utilize each production equipment in the Autodesk 3DS Max software article on plasma body Coal Pyrolysis technological process to set up corresponding three-dimensional model, call three-dimensional scenic, not only face shaping is realistic to make the three-dimensional model of each equipment, and inner structure is also consistent with actual field.
According to a complete set of process specification of coal plasma pyrolysis, under three dimensions, meet the technology catenation principle in order to make all appliance arrangements in the technological process, design the plane figure structural drawing (as shown in Figure 3) of all appliance arrangements under the three-dimensional visualization projection.The technology title of technology symbol correspondence is as shown in table 1 among Fig. 3.
Table 1: the corresponding tables of technology symbol and technology title
If there is the situation that technology connects that do not meet in the plane figure structural drawing, then need topological design again, guarantee that the plane figure structural drawing all is realistic technological principle with corresponding three-dimensional space layout, thereby make up three-dimensional visualization supervisory system and relational database thereof.
The property immersed of three-dimensional visualization technique, interactivity and the imagination have determined it to be suitable for reproducing concrete things information.Figure 10 is the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process, and the size of each process equipment is made with reference to on-the-spot drawing and plane figure structural drawing among the figure, and the space layout structure is realistic basically.The material texture of each three-dimensional device model has adopted on-the-spot picture or color simultaneously, so generally, the three-dimensional visualization supervisory system is almost corresponding in proportion consistent with the actual industrial scene.Meanwhile, except geometry appearance with on-the-spot consistent, the inner structure of all process equipments is same consistent with industry spot among Figure 10.
(2) fulfillment database system and three-dimensional visualization supervisory system interconnect.
Relational database comprises static list of data and dynamic data table.The attribute of each equipment and the data message of interconnected relationship in the static list of data storage three-dimensional visualization supervisory system; The dynamic data table is stored the Realtime Statistics in the actual production process, comprises the technological parameters such as temperature, pressure, liquid level, flow and control valve opening of equipment; Interactive instruction between three-dimensional visualization supervisory system and the Database Systems also is stored in the dynamic data table.
Gather to connect in the Database Systems of industry spot production technology data about the actual production operational process, according to the different monitoring time scale, with in the Database Systems with the second/minute be the production technology data gathering of measurement unit in the relational database hour/day to be under the Realtime Statistics of measurement unit, fulfillment database system and three-dimensional visualization supervisory system interconnect.
(3) utilize three dimensional particles to present the also dynamic process of monitoring fluid.
Adopt the visualization technique of three dimensional particles to present the dynamic process of fluid in the three-dimensional visualization supervisory system, and then monitor the dynamic process of fluid in the three-dimensional visualization supervisory system.In the three-dimensional visualization supervisory system, the attribute that the three dimensional particles of device interior comprises in the coal plasma pyrolysis technological process has: size, color, shape, quantity, transparency, flowing velocity, acceleration of gravity, viscosity, life cycle, rigid collision.Above-mentioned attribute is set shows the dynamic effect of (comprising coal dust, hydrogen, chilled water, water vapor, conduction oil, pyrolysis gas, methyl pyrrolidone absorbing agent, acetylene, ethene, high alkynes) of differential responses thing in the coal plasma pyrolysis technological process, the three dimensional particles property parameters of above-mentioned reactant correspondence is as shown in table 2.
Table 2: the three dimensional particles property parameters of differential responses thing
In the table 2, the diameter range of size expression three dimensional particles, and corresponding with shape.If shape is sphere (spheroid), size is promptly represented the diameter of particle spheroid; If shape is ellipsoid (spheroid), size is promptly represented the long diameter of particle spheroid, and the short diameter of particle spheroid is defaulted as 3/4 of long diameter; The transparency scope is 0.0～1.0, and full impregnated is bright to be 0.0, and opaque is 1.0; The rigid collision value is 0,1, the expression reactant except with appliance arrangement collision also with the column plate collision of appliance arrangement inside, the rigid collision value is 0, represents that this reactant collides with appliance arrangement.
After having made up the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process, the visualization technique of employing three dimensional particles shows the dynamic effect of fluid in the three-dimensional visualization supervisory system, as shown in figure 11.Wherein, Figure 11 (a) with (b) performance be three-dimensional global monitoring effect, the different material of the arrow of different colours representative among the figure represents that such as blueness chilled water, red expression conduction oil, light blue expression pyrolysis gas, purple represent that acetylene gas, brownish red represent high alkynes gas etc.And the flow direction of all material arrows has been represented actual technology trend, and the flowing velocity speed depends on the size of actual pipeline flow.
As Figure 11 (c) and (d), the visualization technique of three dimensional particles shows to details the dynamic effect of fluid in the three-dimensional visualization supervisory system more.All reaction particles all under the action of gravity in three-dimensional environment with the equipment collision, flow in full accord with solid, liquid, gas material in the reaction tower of reality.
(4) the real-time monitoring of realization article on plasma body Coal Pyrolysis technological process.
By three-dimensional pointer scale and the real-time digital on measurement instrument and the variable valve dial plate in the observational record three-dimensional visualization supervisory system, realize the real-time monitoring of article on plasma body Coal Pyrolysis technological process, and then analyze actual production run situation.
In the three-dimensional visualization supervisory system, on each measurement instrument (comprising thermometric instrument, manometer, liquid level instrument, flow instrument) on every equipment and the variable valve dial plate three-dimensional pointer scale and real-time digital are arranged all, by the connection Database Systems, but real-time dynamic monitoring coal plasma pyrolysis technological process.
Wherein, the dynamic corner of three-dimensional pointer scale and real-time digital shows that formula is as follows:
In the formula: the corner of pointer is Φ
Point, the corner of numeral is Φ
Digit, F is three-dimensional direction vector, and A is concrete measurement parameter, and a is the pointer minimum scale value of each dial plate; θ is the minimum corner of each dial plate pointer, A
iBe measurement parameter each numeral after splitting according to numerical digit.
The concrete three-dimensional pointer scale and the displaying principle parameter of real-time digital are shown in Table 3.
Table 3: the displaying principle parameter of three-dimensional pointer scale and real-time digital
Fig. 4 is the three-dimensional pointer scale on the liquid level instrument and the synoptic diagram of real-time digital, and the computation process of its pointer travel and digital corner is:
The corner of pointer is Φ
Point=F*A* θ/a=(0,0,1) * 1.360*5.0/0.2=(0,0,1) * 34=(0,0,34).
As shown in Table 3, Φ
Point=(0,0,34), expression three-dimensional table index corner is 34 degree that turn clockwise perpendicular to the XY plane.
The corner of numeral is respectively:
Φ
A1=(1,0,0) * 1*36=(36,0,0) represents that first numerical digit " 1. " corner is 36 degree that turn clockwise perpendicular to the YZ plane.
Φ
A2=(1,0,0) * 3*36=(108,0,0) represents that second numerical digit " 3 " corner is 108 degree that turn clockwise perpendicular to the YZ plane.
Φ
A3=(1,0,0) * 6*36=(216,0,0) represents that the 3rd numerical digit " 6 " corner is 216 degree that turn clockwise perpendicular to the YZ plane.
Φ
A4=(1,0,0) * 0*36=(0,0,0) represents that the 4th numerical digit " 0 " corner is 0 degree that turns clockwise perpendicular to the YZ plane.
As shown in figure 12, in the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process, the face shaping of each measurement instrument (comprising thermometric instrument, manometer, liquid level instrument, flow instrument) and variable valve and the pointer scale on the dial plate and real-time digital be all with on-the-spot consistent, and the concrete data of demonstration also from the interconnective Database Systems of three-dimensional visualization supervisory system collect.
Fig. 5 to Fig. 9 is respectively the measurement parameter curve (monitoring period is 400min) of liquid level, pressure, temperature, flow and the control valve opening of indication equipment in the coal plasma pyrolysis technological process.Curves different among each figure are represented different measurement points, and indicate the measurement item of each technological parameter on the right of among each figure, and these measure items all is consistent with the instrument at actual process scene and the item of variable valve.And these measurement parameter curves that is to say it all is in normal operating conditions all within the bound scope that allows as can be seen.Dotted line is denoted as the bound of control variable among each figure, if wherein which bar measurement parameter curve surpasses the bound monitor control index of setting, illustrates and this moment unusual condition takes place, and need carry out fault diagnosis and analysis.
As shown in Figure 2, the concrete implementing procedure of three-dimensional visualization data monitoring method of the present invention is as follows:
1), constructs the three-dimensional model of all process equipments according to the physical dimension data of all devices in the coal plasma pyrolysis technological process;
2) the plane figure structural drawing of design all devices under the three-dimensional visualization projection;
3) judge whether realistic technology catenation principle of plane figure structural drawing, if do not meet repeating step 2), redesign plane figure structural drawing;
4) set up the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process;
5) gather to connect in the Database Systems of industry spot production technology data about the production run process;
6), the production technology data are gathered under the Realtime Statistics in the relational database at many levels according to the monitoring period yardstick;
7) fulfillment database system and three-dimensional visualization supervisory system interconnect;
8) attribute such as size, color, shape that the three dimensional particles of device interior in the three-dimensional visualization supervisory system is set is represented different reaction masses;
9) visualization technique of employing three dimensional particles presents and monitors the dynamic process of fluid in the three-dimensional visualization supervisory system;
10) the demonstration change procedure of three-dimensional pointer scale on measurement instrument and the variable valve dial plate and real-time digital in the observational record three-dimensional visualization supervisory system;
11) the visualized data dynamic monitoring of realization article on plasma body Coal Pyrolysis technological process;
12) set the operation bound index of processing parameter, monitoring plasma body Coal Pyrolysis technological process operation troubles whether in real time in the three-dimensional visualization supervisory system, if there is no operation troubles, repeating step 4) to 11), continue the three-dimensional visualization monitoring;
13) diagnostic analysis operation troubles is eliminated fault, repeating step 4) to 12), continue the three-dimensional visualization monitoring.
In the three-dimensional visualization supervisory system of coal plasma pyrolysis technological process, all device models are all consistent with actual field, the user can roam in virtual three-dimensional environment, has strengthened presence, makes the user obtain feeling of immersion and also is familiar with the coal plasma pyrolysis technological process.The present invention by in the acquisition database system about the real-time production data of production run process, gather in the relational database according to the different monitoring time scale, fulfillment database system and three-dimensional visualization supervisory system interconnect.Utilize the visualization technique of three dimensional particles to present the dynamic effect of fluid in the three-dimensional visualization supervisory system, by three-dimensional pointer scale and the real-time digital on measurement instrument and the variable valve dial plate in the observational record three-dimensional visualization supervisory system, realize the real-time monitoring of article on plasma body Coal Pyrolysis technological process, and then analyze actual production run situation, produce forecast and status predication.
Claims (6)
1. the three-dimensional visualization data monitoring method of a coal plasma pyrolysis technological process comprises the steps:
(1) obtains the physical dimension data of all devices in the coal plasma pyrolysis technological process, and each equipment is set up the three-dimensional model of correspondence; The plane figure structural drawing of design all devices under the three-dimensional visualization projection guaranteed the realistic technology catenation principle of all devices, thereby makes up three-dimensional visualization supervisory system and relational database thereof;
(2) gather to connect in the Database Systems of industry spot production technology data about the actual production operational process, according to the different monitoring time scale, Realtime Statistics in described production technology data and the described relational database is merged, realize that described Database Systems and three-dimensional visualization supervisory system interconnect;
(3) adopt the visualization technique of three dimensional particles to present the dynamic process of fluid in the three-dimensional visualization supervisory system, and then monitor the dynamic process of fluid in the three-dimensional visualization supervisory system;
(4), realize the real-time monitoring of article on plasma body Coal Pyrolysis technological process, and then analyze actual production run situation by three-dimensional pointer scale and real-time digital on measurement instrument and the variable valve dial plate in the observational record three-dimensional visualization supervisory system.
2. the three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process according to claim 1 is characterized in that: described three-dimensional visualization supervisory system utilizes Autodesk 3DS Max software design to make up.
3. the three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process according to claim 1, it is characterized in that: described relational database comprises static list of data and dynamic data table, the attribute of each equipment and the data message of interconnected relationship in the described static list of data storage three-dimensional visualization supervisory system; Described dynamic data table is stored the Realtime Statistics in the actual production process, comprises the technological parameter of temperature, pressure, liquid level, flow and the control valve opening of equipment.
4. the three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process according to claim 1 is characterized in that: in the described step (4), the dynamic corner of three-dimensional pointer scale and real-time digital shows that formula is as follows:
In the formula: the corner of pointer is Φ
Point, the corner of numeral is Φ
Digit, F is three-dimensional direction vector, and A is concrete measurement parameter, and a is the pointer minimum scale value of each dial plate, and θ is the minimum corner of each dial plate pointer, A
iBe measurement parameter each numeral after splitting according to numerical digit.
5. the three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process according to claim 1, it is characterized in that: in the described step (3), the dynamic process that the visualization technique of employing three dimensional particles presents fluid in the three-dimensional visualization supervisory system is to realize by the attribute that the three dimensional particles of device interior in the three-dimensional visualization supervisory system is set.
6. the three-dimensional visualization data monitoring method of coal plasma pyrolysis technological process according to claim 5, it is characterized in that: the attribute of described three dimensional particles includes size, color, shape, quantity, transparency, flowing velocity, acceleration of gravity, viscosity, life cycle, rigid collision.
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| CN104239185A (en) * | 2014-09-26 | 2014-12-24 | 深圳市奥拓电子股份有限公司 | Monitoring method and device of LED (Light Emitting Diode) display screen |
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| CN109063412B (en) * | 2018-08-27 | 2020-08-11 | 浙江大学 | Multi-source data fusion system and method for plasma pyrolysis coal-to-acetylene reaction state evaluation |
| CN109358579A (en) * | 2018-10-18 | 2019-02-19 | 浙江大学 | The whole process coordinated control system and method for coal pyrolysis in plasma producing acetylene production process |
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| CN114779863B (en) * | 2022-06-14 | 2022-09-13 | 山东智奇环境技术有限公司 | Automatic hydrogen production intelligent control system |
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