CN103646601A - Teaching and scientific research platform equipment based on industrial process simulation - Google Patents
Teaching and scientific research platform equipment based on industrial process simulation Download PDFInfo
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- CN103646601A CN103646601A CN201310643871.0A CN201310643871A CN103646601A CN 103646601 A CN103646601 A CN 103646601A CN 201310643871 A CN201310643871 A CN 201310643871A CN 103646601 A CN103646601 A CN 103646601A
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Abstract
Teaching and scientific research platform equipment based on industrial process simulation is formed by one or a plurality of parallel water supply branches; one or a plurality of photovoltaic water pumping branches, a main pipeline, a plurality of parallel user branches, a water introduction branch, a boiler, one or a plurality of water towers and one or a plurality of glasshouses. The output ends of the water supply branches are connected to the main pipeline. The main pipeline is provided with a water supply section analog quantity electric valve and a user section analog quantity electric valve corresponding to the pipe sections of the two adjacent water supply branches and the adjacent user branches respectively. The water supply branch which is connected to the head end of the main pipeline is connected with the water supplement end of the boiler through a water supplement pipe. The water supplying end of the boiler is communicated with the middle pipe section of the main pipeline and is connected with a greenhouse water supplying pipeline. The greenhouse water supplying pipeline is connected with inlets of the greenhouses. The outlets of the greenhouses are connected with the water returning end of the boiler. The water tower is provided with two water supplying pipes. The equipment in tight combination with the representative industrial process is used for advanced process control teaching and scientific research verification, and is beneficial to the transformation of the scientific research achievements.
Description
Technical field
The application relates to the teaching and scientific research platform equipment of industrial process simulation, more particularly, this stage apparatus can be simulated conventional Process Control System, as single loop (temperature, pressure, flow, liquid level etc.) procedure parameter control system, multiloop tandem is controlled, feedforward control, ratio is controlled, even control system etc., also can simulate typical commercial application system, as the supply and drain water system of power source dispersion, Water supply in many water heads system with water tower, Mine Drainage System with sump, No. 1 boiler heating system, long-distance transportation through pipeline system, centrifugal pump start control system, photovoltaic water-raising accumulator system etc.
Background technology
Automatic technology is as the high-tech important component part of country, and its level height has become the important symbol of weighing national science and technology strength and industry-by-industry modernization level.Process control is the important branch of automatic technology, in the continuous flow procedures such as petrochemical industry, electric power, metallurgy, light industry, has a wide range of applications.In recent years, process control technology itself and application thereof have obtained developing rapidly.No matter be in modern complex industrial production run; or in the technological transformation of traditional mode of production process, process control technology for raising labour productivity, guarantee product quality, improve working conditions and preserve the ecological environment, the aspect such as optimisation technique economic target all plays very important effect.And along with commercial production develops rapidly towards maximization, serialization, networking and automation direction, quality to control system is also had higher requirement, except simple procedure control system, various complexity, multivariate, time become, the research of the Process Control System such as non-linear, random becomes particularly important, therefore many new control theories have been there are, and these theories are also continuing development, it has crossed over boundary of discipline, forward take kybernetics, information theory, free learn as basic Intelligent Control Theory deeply.Therefore, these theories are studied and checking is very important.
In addition, although engineering and polytechnic universities' facing Information Science has mostly been offered process control class course, yet the control that special process requires is controlled and realized to corresponding process control device mostly single loop, the multiloop of simulation process industry conventional process parameter (as temperature, flow, pressure, liquid level etc.), as single loop PID controls, tandem is controlled, feedforward feedback is controlled, ratio is controlled, evenly control, minute process control, select to control etc.The industrial object of simulation in conjunction with more difficult, lacking good Experimental Establishment aspect the checking of existing theory and new theory and research, has a strong impact on quality of instruction, Talent-cultivating Quality and transformation of scientific findings etc. with actual.Therefore, designing a kind of industrial process experimental provision is combined advanced experiment device and is very important with typical industrial processes.
Summary of the invention
The present invention is directed to deficiency and defect that existing process control experiment equipment exists, a kind of teaching and scientific research platform equipment based on industrial process simulation is provided, this equipment and typical industrial processes are combined closely, and the teaching and scientific research checking for advanced process control, is conducive to transformation of scientific findings.
Technical solution of the present invention is:
Teaching and scientific research platform equipment based on industrial process simulation, its special character is: by the feedwater branch road of one or more parallel connections, one or more photovoltaic water-raising branch roads, a main line, user's branch road of a plurality of parallel connections, diversion branch road, boiler, one or more water towers, one or more greenhouses form, the output terminal of feedwater branch road is connected on main line, on the pipeline section of corresponding two the adjacent feedwater branch roads of main line, be respectively equipped with feedwater section analog quantity motorized valve and user segment analog quantity motorized valve with adjacent user's branch road, main line is provided with analog regulating valve on the middle pipeline section between feedwater branch road and user's branch road, No. 3 T-valve and flowmeter, the feedwater branch road that is connected to main line head end arranges T-valve No. 1, filling pipe is passed through in another outlet of No. 1 T-valve, No. 2 T-valve that are located at filling pipe end are connected with the moisturizing end of boiler, the water end (W.E.) that supplies of boiler passes through No. 1 ebullator, No. 3 T-valve is communicated with the middle pipeline section of main line, and pass through main line, No. 4 T-valve that are connected on main line end are connected with greenhouse supply line, No. 2 ebullators on greenhouse supply line, greenhouse analog quantity motorized valve is connected with greenhouse entrance, the outlet in greenhouse is connected with boiler blow-down water end, greenhouse supply line end is communicated with No. 1 return pipe by No. 1 solenoid valve, another outlet of No. 4 T-valve communicates with No. 2 return pipes, water tower is provided with two feed pipes, wherein the import of a feed pipe is connected by No. 6 T-valve with described photovoltaic water-raising branch road, another feed pipe communicates with another outlet of No. 2 T-valve, the outlet of water tower is communicated with by No. 2 solenoid valve middle pipeline sections that feed water between branch road and user's branch road corresponding to main line, described feedwater branch road is by supply line, be serially connected in the vacuum sensor I on supply line, water pump, pressure transducer I, flowmeter I, non-return valve I, feedwater motorized valve forms, described photovoltaic water-raising branch road is by the vacuum sensor II being connected in series by pipeline, photovoltaic pump pressure sensor II, flowmeter II, non-return valve II, the motorized valve that pumps up water forms, described diversion branch road be by be connected on node and respectively with corresponding feedwater branch road the pipeline section between water pump and non-return valve connect and photovoltaic water-raising branch road in No. 4 solenoid valves of No. 3 solenoid valves connecting of pipeline section between photovoltaic pump and non-return valve and serial connection and No. 4 solenoid valves and No. 2 vacuum pumps of No. 1 vacuum pump and serial connection form, the outlet of No. 3 solenoid valves and connect, the entrance of No. 4 solenoid valves connecing, No. 3 solenoid valves and that connect end and No. 4 solenoid valves and connect to hold and be connected and be communicated with greenhouse supply line end by pipeline, No. 5 solenoid valves, user's branch road is that the user's motorized valve, flowmeter III, the variable frequency pump that from top to bottom by pipeline, connect form, and user's branch road end is connected with No. 2 return pipes by No. 5 T-valve.
The invention has the beneficial effects as follows:
The present invention has set up " the teaching and scientific research platform equipment based on industrial process simulation ", and by it all the time among the teaching of undergraduate and graduate, for cultivating high-level scientific research and cultivating student's research practice ability, provide broad technology platform, checking and the Scientific Research Platform of commercial Application are provided for scientific research personnel simultaneously, are conducive to transformation of scientific findings.Its beneficial effect particular content is:
(1) this kit has contained most general industry process control objects, and structure is compacter
This equipment can be simulated the tandem control object of industrial process by the cascade of a plurality of water towers; The liquid level of boiler and temperature can be simulated the decoupling zero control object of industrial process; The flow of different pipelines can be simulated the ratio of industrial process and be controlled; The variable valve of different pipelines can be simulated minute process control object of industrial process; Large delay large time delay object etc. can be simulated in boiler and greenhouse.This equipment has been contained the control object of most general industry process, and structure is compacter, has overcome the deficiency of conventional teaching instrument and equipment.
(2) this is equipped on the basis of simulation general industry process control objects, can also simulate the typical application system of industrial process
This equipment can simulate supply and drain water system that power source disperses, with the Water supply in many water heads system of water tower, Mine Drainage System with sump, boiler heating system, long-distance transportation through pipeline system, centrifugal pump start control system, photovoltaic water-raising accumulator system etc.This is equipped for and typical commercial application system is carried out to analysis and synthesis research good platform is provided, and is more conducive to the conversion of scientific payoffs.
(3) this research that is equipped for industrial process advanced control theory and technology provides better verification platform
Temperature, pressure, flow and the liquid level control problem of the general industry process that traditional instruments used for education equipment provides are difficult to advanced control theory and the technology such as optimizing application control, adaptive control, robust control, PREDICTIVE CONTROL and Based Intelligent Control.The typical commercial application system of this experimental assembly simulation can be carried out various advanced control theories and the technical research of industrial process from aspects such as energy-conservation, saving operating cost, high-level efficiency.
(4) this equipment can affect and carry out index evaluation the quality of power supply for various control strategies
The main circuit configuration Analysis System for Power Quality of this equipment, can analyze the active power of the quality of power supply, reactive power, power factor, harmonic wave etc., for various control strategies, on the quality of power supply, impact provides index evaluation, strong in the comparative studies of different control strategies.
Accompanying drawing explanation
Fig. 1 is the structural drawing of this teaching and scientific research platform equipment based on industrial process simulation;
Fig. 2 is temperature, pressure, the liquid level of general industry process, the model configuration figure of flow control object;
Fig. 3 is large delay, large time delay and the ratio control object structural drawing of general industry process;
Fig. 4 is the supply and drain water system structural drawing of power decentralized;
Fig. 5 is the Water supply in many water heads system construction drawing with water tower;
Fig. 6 is the Mine Drainage System structural drawing with sump;
Fig. 7 is boiler heating system structural drawing;
Fig. 8 is photovoltaic water-raising accumulator system structural drawing;
Fig. 9 is main circuit power supply and Analysis System for Power Quality structural drawing.
Embodiment
As shown in Figure 1, should equip by the teaching and scientific research platform based on industrial process simulation, by one or more (the present embodiment is n) feedwater branch road in parallel, one or more photovoltaic water-raising branch roads (the present embodiment is m), a main line, user's branch road of a plurality of parallel connections (the present embodiment is k), diversion branch road, No. 1 boiler, one or more water towers (the present embodiment is q), one or more greenhouses (the present embodiment is p), the output terminal of feedwater branch road is connected on main line, on the pipeline section of corresponding two the adjacent feedwater branch roads of main line, be respectively equipped with feedwater section analog quantity motorized valve and user segment analog quantity motorized valve with adjacent user's branch road, main line is provided with analog regulating valve on the middle pipeline section between feedwater branch road and user's branch road, No. 3 T-valve and flowmeter, the feedwater branch road that is connected to main line head end arranges T-valve No. 1, and filling pipe is passed through in another outlet of No. 1 T-valve, No. 2 T-valve that are located at filling pipe end are connected with the moisturizing end of No. 1 boiler, and the water end (W.E.) that supplies of No. 1 boiler passes through No. 1 ebullator, No. 3 T-valve is communicated with the middle pipeline section of main line, and pass through main line, No. 4 T-valve that are connected on main line end are connected with greenhouse supply line, No. 2 ebullators on greenhouse supply line, greenhouse analog quantity motorized valve is connected with greenhouse entrance, the outlet in greenhouse is connected with No. 1 boiler blow-down water end, greenhouse supply line end is communicated with No. 1 return pipe by No. 1 solenoid valve, another outlet of No. 4 T-valve communicates with No. 2 return pipes, described water tower is provided with two feed pipes, wherein the import of a feed pipe is connected by No. 6 T-valve with described photovoltaic water-raising branch road, another feed pipe communicates with another outlet of No. 2 T-valve, the outlet of water tower is communicated with by No. 2 solenoid valve middle pipeline sections that feed water between branch road and user's branch road corresponding to main line, and described feedwater branch road is by supply line, be serially connected in the vacuum sensor I on supply line, water pump, pressure transducer I, flowmeter I, non-return valve I, feedwater motorized valve forms, and described photovoltaic water-raising branch road is by pipeline, the vacuum sensor II being connected in series by pipeline, photovoltaic pump, pressure transducer II, flowmeter II, non-return valve II, the motorized valve that pumps up water forms, and described user's branch road is the user's motorized valve from top to bottom connecting by pipeline, flowmeter III, variable frequency pump forms, and user's branch road is connected with No. 2 return pipes by No. 5 T-valve.Described diversion branch road is by being connected on No. 4 solenoid valves of node A and No. 3 solenoid valves that are connected with the pipeline section between photovoltaic pump and non-return valve II in the pipeline section between water pump and non-return valve I and photovoltaic water-raising branch road in corresponding feedwater branch road respectively and serial connection and No. 4 solenoid valves and No. 2 vacuum pumps of No. 1 vacuum pump and serial connection form; The outlet of No. 3 solenoid valves and connect, the entrance of No. 4 solenoid valves connecing, No. 3 solenoid valves and that connect end and No. 4 solenoid valves and connect to hold and be connected (being node A) and be communicated with greenhouse supply line end by pipeline, No. 5 solenoid valves.
N, m, k, p, the natural number that q is >=1; The number of common feedwater branch road and photovoltaic water-raising branch road can be set as required, wherein symbol n represents common centrifugal pump feedwater branch road number, m represents photovoltaic water-raising branch road number, and n+1～n+1+m# analog valve represents that the corresponding pipeline section of branch road that pumps up water arranges analog valve and represents that by motorized valve it is m that the corresponding pipeline section of branch road that pumps up water arranges motorized valve; User's branch road number can be set as required, and with symbol, k represents, the pipeline section between user's branch road all arranges motorized valve; Greenhouse number can be set as required, and with symbol, p represents; The number of water tower series connection also can be set as required, and with symbol, q represents.
During installation, No. 1 return pipe, feedwater branch road are inserted in No. 1 tank, No. 2 return pipes, user's branch roads are inserted in No. 2 tanks, between two tanks, by hand valve, can be communicated with.
For the different industrial process of this equipment simulation, one-piece construction is decomposed to set forth below.
In Fig. 2, open No. 3 solenoid valves that diversion branch road is connected with No. 1 feedwater branch road, close the solenoid valve that diversion branch road and other feedwater branch road are connected, close No. 5 solenoid valves that diversion branch road is connected with greenhouse supply line end; Open the motorized valve of No. 1 feedwater branch road, close the motorized valve of other feedwater branch road; Close the motorized valve of user's branch road; Open the port that No. 5 T-valve lead to No. 4 T-valve, close No. 5 T-valve all to the port of user's branch road; Open the port that No. 4 T-valve lead to No. 2 return pipes, close the port that No. 4 T-valve lead to No. 2 ebullators; Open the hand valve between No. 1 tank and No. 2 tanks, form a feedwater branch road, by equipment such as vacuum sensor, water pump, pressure transducer, flowmeter, non-return valve, motorized valves, by pipeline, connected successively; Article one, diversion branch road, is connected by pipeline successively by vacuum pump, solenoid valve equipment; No. 1 steam generator system, is connected by pipeline successively by No. 1 boiler, ebullator, T-valve; Water tower system, has two-stage water tank in series; Main line system, in series by the motorized valve of main pipeline, simulation pipe characteristic.Diversion branch road is connected in feedwater branch road, is communicated with pipeline pressure, the flow control object that can simulate general industry process with main line; Diversion branch road, feedwater branch road and No. 1 steam generator system can be simulated No. 1 boiler temperature and liquid level control of general industry process; Diversion branch road, feedwater branch road and water tower form loop can simulate general industry process list appearance liquid level, Two-tank System liquid level, single loop and multiloop PID control.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, n+1～n+1+m represents the motorized valve of the corresponding pipeline section of photovoltaic branch road, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section, q represents water tower series connection number, and n+m+k+p# motorized valve represents the motorized valve of the corresponding pipeline section of p bar greenhouse branch road.
In Fig. 3, open diversion branch road and No. 3 solenoid valves that front two feedwater branch roads are connected, close No. 3 solenoid valves that diversion branch road is connected with other feedwater branch road; Open No. 5 solenoid valves that diversion branch road is connected with greenhouse supply line end; Open front two feedwater branch road motorized valves, close the motorized valve of other feedwater branch road; Close the motorized valve of user's branch road; Open the port that No. 5 T-valve lead to No. 4 T-valve, close the port that No. 5 T-valve lead to user's branch road; Close the hand valve between No. 1 tank and No. 2 tanks, form two diversion branch roads and be connected to two feedwater branch roads, article two, the motorized valve of feedwater branch road configuration electronic valve steady arm, can simulate the ratio of general industry process and control, divide process control together with main line; Article one, diversion branch road, a feedwater branch road are given boiler replenishing water No. 1 by T-valve, and No. 1 steam generator system is connected successively and can simulates large delay, large time delay control object with greenhouse.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, n+1～n+1+m represents the motorized valve of the corresponding pipeline section of photovoltaic branch road, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section, q represents water tower series connection number.
In Fig. 4, open diversion branch road and No. 3 solenoid valves that feedwater branch road is connected, close No. 5 solenoid valves that diversion branch road is connected with greenhouse supply line end; Open the port that No. 1 T-valve leads to main line, close the port that No. 1 T-valve leads to filling pipe; Open the entrance that No. 3 T-valve are connected with main line, close the entrance that No. 3 T-valve are connected with No. 1 boiler heating pipe; Open the port that No. 5 T-valve are connected with user, close the port that No. 5 T-valve are connected with No. 4 T-valve; Open user's branch road motorized valve; Open No. 1 tank and be connected hand valve with No. 2 tanks, No. 2 tank arranges corresponding dividing plate according to user's branch road, form many diversion branch roads, many feedwater branch roads, main line, many systems that user's branch road forms, simultaneously, the motorized valve standard-sized sheet of user's branch road, flow regulation adopts variable frequency pump to regulate, and can simulate the supply and drain water system that power source disperses.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, and n+1～n+1+m represents the motorized valve of photovoltaic branch road correspondence pipeline section, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section.
In Fig. 5, open diversion branch road and No. 3 solenoid valves that feedwater branch road is connected, close No. 5 solenoid valves that diversion branch road is connected with greenhouse supply line end; Open the port that No. 1 T-valve leads to filling pipe, close No. 1 T-valve and lead to main line port; Open the port that No. 2 T-valve lead to water tower, close the port that No. 2 T-valve lead to No. 1 boiler; Open the entrance that No. 3 T-valve are connected with main line, close the entrance that No. 3 T-valve are connected with No. 1 boiler heating pipe; Open the port that No. 5 T-valve are connected with user, close the port that No. 5 T-valve are connected with No. 4 T-valve; Open user's branch road motorized valve; Open No. 1 tank and be connected hand valve with No. 2 tanks, No. 1 tank arranges corresponding dividing plate according to feedwater branch road, No. 2 tank arranges corresponding dividing plate according to user's branch road, forms many diversion branch roads, many feedwater branch roads, main line, on supervisor's road, is provided with water tower, many user's branch roads can form the Water supply in many water heads simulation system with water tower.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, n+1～n+1+m represents the motorized valve of the corresponding pipeline section of photovoltaic branch road, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section, q represents water tower series connection number.
In Fig. 6, open diversion branch road and No. 3 solenoid valves that feedwater branch road is connected, open No. 5 solenoid valves that diversion branch road is connected with greenhouse supply line end; Open the port that No. 1 T-valve leads to main line, close No. 1 T-valve and lead to water pipe port; Open the entrance that No. 3 T-valve are connected with main line, close the entrance that No. 3 T-valve are connected with No. 1 boiler heating pipe; Open the port that No. 5 T-valve are connected with user, close the port that No. 5 T-valve are connected with No. 4 T-valve; Open the user's branch road motorized valve being connected with No. 5 T-valve, close the motorized valve of other user's branch road; Open the port that No. 4 T-valve are connected with No. 2 return pipes, close the port that No. 4 T-valve are connected with No. 5 T-valve; Close No. 1 tank and be connected hand valve with No. 2 tanks; Open solenoid valve No. 1, form many drainings, a backwater branch road, No. 1 tank does not arrange dividing plate and can simulate mine sump, No. 2 ebullators, No. 4 T-valve, diversion branch road and respective line can be simulated mine sump water inlet, and many feedwater branch roads, many diversion branch roads and main line can be simulated mine sump unwatering system.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, and n+1～n+1+m represents the motorized valve of photovoltaic branch road correspondence pipeline section, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section.
On the pipeline of main pipeline, be provided with many motorized valves and simulate pepeline characteristic, form long-distance transportation through pipeline simulation system.
At feedwater branch road charging pump, adopt centrifugal pump, export pipeline is provided with vacuum pump diversion system, forms centrifugal pump start control system.
In Fig. 7, open diversion branch road and No. 3 solenoid valves that No. 1 bar feedwater branch road is connected, close the solenoid valve that diversion branch road and other branch road that feeds water are connected, close No. 5 solenoid valves that diversion branch road is connected with greenhouse supply line end; Open the port that No. 1 T-valve leads to water pipe, close No. 1 T-valve and lead to main line port; Open the entrance that No. 3 T-valve are connected with No. 1 boiler feed pipe, close the entrance that No. 3 T-valve are connected with main line; Open the port that No. 5 T-valve are connected with No. 4 T-valve, close the port that No. 5 T-valve are connected with user; Close the motorized valve of user's branch road; Open the port that No. 4 T-valve are connected with No. 5 T-valve, close the port that No. 4 T-valve are connected with No. 2 return pipes; Close No. 1 tank and be connected hand valve with No. 2 tanks; Open the motorized valve being connected with greenhouse, open solenoid valve No. 1, form a diversion branch road, a feedwater branch road is given boiler replenishing water No. 1 by T-valve, No. 1 steam generator system is connected successively and can be simulated boiler heating system No. 1 by part main line with greenhouse.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, n+1～n+1+m represents the motorized valve of the corresponding pipeline section of photovoltaic branch road, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section, n+m+k+p# motorized valve represents the motorized valve of the corresponding pipeline section of p bar greenhouse branch road.
In Fig. 8, open diversion branch road and No. 3 solenoid valves that feedwater branch road is connected, close No. 5 solenoid valves that diversion branch road is connected with supply line end; Open No. 1 T-valve and lead to main line port, close the port that No. 1 T-valve leads to water pipe; Open the entrance that No. 3 T-valve are connected with main line, close the entrance that No. 3 T-valve are connected with No. 1 boiler feed pipe; Open the port that No. 5 T-valve are connected with user, close the port that No. 5 T-valve are connected with No. 4 T-valve; Open the motorized valve of user's branch road; Open the port that No. 6 T-valve lead to water tower, close the port that No. 6 T-valve lead to main line; Close No. 1 tank and be connected hand valve with No. 2 tanks, form many diversion branch roads, many feedwater branch roads, wherein a feedwater branch road adopts photovoltaic water pump and photovoltaic power supply system, photovoltaic feedwater branch road supplies water by T-valve standpipe, then can simulate photovoltaic water-raising energy storage control system in conjunction with main line and many user's branch roads.Each motorized valve numbering is as follows: n# motorized valve represents the motorized valve of the corresponding pipeline section of the common feedwater branch road of n bar, n+1～n+1+m represents the motorized valve of the corresponding pipeline section of photovoltaic branch road, n+m+k# motorized valve represent k bar user branch road the motorized valve of corresponding pipeline section, q represents water tower series connection number.
In Fig. 9, the main circuit power supply of native system is to be divided into two tunnels by being connected on alternating current source, one tunnel connects the Analysis System for Power Quality with voltage, current monitoring function, and Analysis System for Power Quality output terminal is directly to No. 1 boiler, water pump, vacuum pump, motorized valve, solenoid valve; Another route photovoltaic light source, photovoltaic battery panel, convertor equipment, exchange contacts of contactor K1 connect photovoltaic water pump power input, photovoltaic water pump power input is also connected with Analysis System for Power Quality output terminal by ac contactor contact K2, by controlling the conducting respectively of two contacts of A.C. contactor, realize the conversion of photovoltaic power supply and Alternating Current Power Supply.This system can realize the switching of photovoltaic water pump power supply, and meanwhile, power supply main circuit configuration Analysis System for Power Quality can be simulated control strategy economic target evaluation system, is convenient to the evaluation of different control strategy performance index.
Claims (1)
1. the teaching and scientific research platform based on industrial process simulation is equipped, it is characterized in that: by the feedwater branch road of one or more parallel connections, one or more photovoltaic water-raising branch roads, a main line, user's branch road of a plurality of parallel connections, diversion branch road, boiler, one or more water towers, one or more greenhouses form, the output terminal of feedwater branch road is connected on main line, on the pipeline section of corresponding two the adjacent feedwater branch roads of main line, be respectively equipped with feedwater section analog quantity motorized valve and user segment analog quantity motorized valve with adjacent user's branch road, main line is provided with analog regulating valve on the middle pipeline section between feedwater branch road and user's branch road, No. 3 T-valve and flowmeter, the feedwater branch road that is connected to main line head end arranges T-valve No. 1, filling pipe is passed through in another outlet of No. 1 T-valve, No. 2 T-valve that are located at filling pipe end are connected with the moisturizing end of boiler, the water end (W.E.) that supplies of boiler passes through No. 1 ebullator, No. 3 T-valve is communicated with the middle pipeline section of main line, and pass through main line, No. 4 T-valve that are connected on main line end are connected with greenhouse supply line, No. 2 ebullators on greenhouse supply line, greenhouse analog quantity motorized valve is connected with greenhouse entrance, the outlet in greenhouse is connected with boiler blow-down water end, greenhouse supply line end is communicated with No. 1 return pipe by No. 1 solenoid valve, another outlet of No. 4 T-valve communicates with No. 2 return pipes, water tower is provided with two feed pipes, wherein the import of a feed pipe is connected by No. 6 T-valve with described photovoltaic water-raising branch road, another feed pipe communicates with another outlet of No. 2 T-valve, the outlet of water tower is communicated with by No. 2 solenoid valve middle pipeline sections that feed water between branch road and user's branch road corresponding to main line, described feedwater branch road is by supply line, be serially connected in the vacuum sensor I on supply line, water pump, pressure transducer I, flowmeter I, non-return valve I, feedwater motorized valve forms, described photovoltaic water-raising branch road is by the vacuum sensor II being connected in series by pipeline, photovoltaic pump pressure sensor II, flowmeter II, non-return valve II, the motorized valve that pumps up water forms, described diversion branch road be by be connected on node and respectively with corresponding feedwater branch road the pipeline section between water pump and non-return valve connect and photovoltaic water-raising branch road in No. 4 solenoid valves of No. 3 solenoid valves connecting of pipeline section between photovoltaic pump and non-return valve and serial connection and No. 4 solenoid valves and No. 2 vacuum pumps of No. 1 vacuum pump and serial connection form, the outlet of No. 3 solenoid valves and connect, the entrance of No. 4 solenoid valves connecing, No. 3 solenoid valves and that connect end and No. 4 solenoid valves and connect to hold and be connected and be communicated with greenhouse supply line end by pipeline, No. 5 solenoid valves, user's branch road is that the user's motorized valve, flowmeter III, the variable frequency pump that from top to bottom by pipeline, connect form, and user's branch road end is connected with No. 2 return pipes by No. 5 T-valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310643871.0A CN103646601B (en) | 2013-12-05 | 2013-12-05 | Teaching and scientific research platform equipment based on industrial process simulation |
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| CN201310643871.0A CN103646601B (en) | 2013-12-05 | 2013-12-05 | Teaching and scientific research platform equipment based on industrial process simulation |
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| CN103646601A true CN103646601A (en) | 2014-03-19 |
| CN103646601B CN103646601B (en) | 2015-07-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105070162A (en) * | 2015-09-06 | 2015-11-18 | 黄山学院 | Experiment device for virtual object feedforward_feedback control system |
| CN107452243A (en) * | 2017-09-21 | 2017-12-08 | 桂林理工大学 | A kind of water supply network comprehensive experimental teaching platform |
| CN108458838A (en) * | 2018-05-22 | 2018-08-28 | 山东和富工程检测有限公司 | A kind of electromagnetic valve for fire control reliability automatic test equipment |
| CN112982549A (en) * | 2021-03-09 | 2021-06-18 | 青岛市海润自来水集团有限公司 | Water pump water supply system analysis model |
| CN113359881A (en) * | 2021-06-04 | 2021-09-07 | 李红双 | Double-capacity water tank teaching equipment |
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| CN2727880Y (en) * | 2004-09-23 | 2005-09-21 | 浙江高自成套设备有限公司 | Procedure control experimental apparatus |
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| CN203631048U (en) * | 2013-12-05 | 2014-06-04 | 渤海大学 | Industrial process simulation-based teaching researching platform equipment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070162A (en) * | 2015-09-06 | 2015-11-18 | 黄山学院 | Experiment device for virtual object feedforward_feedback control system |
| CN107452243A (en) * | 2017-09-21 | 2017-12-08 | 桂林理工大学 | A kind of water supply network comprehensive experimental teaching platform |
| CN108458838A (en) * | 2018-05-22 | 2018-08-28 | 山东和富工程检测有限公司 | A kind of electromagnetic valve for fire control reliability automatic test equipment |
| CN108458838B (en) * | 2018-05-22 | 2024-03-29 | 山东和富工程检测有限公司 | Automatic reliability test device for fire-fighting electromagnetic valve |
| CN112982549A (en) * | 2021-03-09 | 2021-06-18 | 青岛市海润自来水集团有限公司 | Water pump water supply system analysis model |
| CN113359881A (en) * | 2021-06-04 | 2021-09-07 | 李红双 | Double-capacity water tank teaching equipment |
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| CN103646601B (en) | 2015-07-01 |
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