CN113066330A - Marine oil-water separator real object simulation system - Google Patents
Marine oil-water separator real object simulation system Download PDFInfo
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- CN113066330A CN113066330A CN202110226554.3A CN202110226554A CN113066330A CN 113066330 A CN113066330 A CN 113066330A CN 202110226554 A CN202110226554 A CN 202110226554A CN 113066330 A CN113066330 A CN 113066330A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
A marine oil-water separator real object simulation system comprises an oily sewage alarm simulation system and a start control simulation system of an oil-water separator, wherein the oily sewage alarm simulation system is composed of four branches which are respectively connected with a direct current power supply and are mutually connected in parallel, wherein the first branch is an alarm control branch composed of a first relay connected with the direct current power supply through a first manual switch; the second branch circuit is an alarm branch circuit formed by connecting an audible and visual alarm connected with a direct-current power supply through a normally open contact of a first relay and a second relay in series; the third branch is a display branch formed by connecting an outlet valve potentiometer which is connected with a direct-current power supply through a normally closed contact of a second relay and is used for displaying the pressure of the sea outlet side and the flow state in the sea outlet pipe in series; the fourth branch circuit is formed by connecting a return water pipe LED lamp belt of the direct-current power supply through a normally open contact of the second relay. The invention is safe and reliable, and the equipment is available at any time without preparation in advance.
Description
Technical Field
The invention relates to a ship host teaching drilling system. In particular to a marine oil-water separator real object simulation system for a practical teaching demonstration in a campus of a marine academy.
Background
The oil-water separator for the ship is an important anti-pollution device for the modern ship. The performance and the operation correctness are very important. The oil-water pollution of the ship is discharged out of the ship after meeting the 15PPM emission standard after being separated and filtered by the device, and is also a key essential item for port country inspection in various countries. With little carelessness, the risk of marine pollution and vessel detention can result. The correct operation of the oil-water separator and its management work in operation are also important parts of school teaching. As the ship oil-water separator needs to have a plurality of conditions for normal operation, for example, oily sewage, a sewage tank for storing sewage, a dirty oil tank for discharging dirty oil and the like. These operating conditions are difficult to be completely possessed by various schools on land, so that the operation process can be dictated only before the equipment in the teaching and training process, and because the equipment cannot be operated, students cannot really perform actual operation drilling and cannot understand the actual operation experience, thereby bringing great difficulty to teaching and practice.
Disclosure of Invention
The invention aims to solve the technical problem of providing a physical simulation system of a marine oil-water separator, which can be intuitive, vivid and well understood and has basically the same working condition as that of a ship.
The technical scheme adopted by the invention is as follows: a marine oil-water separator real object simulation system comprises an oily sewage alarm simulation system and an oil-water separator starting control simulation system, wherein the oily sewage alarm simulation system is composed of four branches which are respectively connected with a direct current power supply below 10V and are mutually connected in parallel, and the first branch is an alarm control branch composed of a first relay connected with the direct current power supply below 10V through a first manual switch; the second branch circuit is an alarm branch circuit formed by connecting an audible and visual alarm of a direct current power supply below 10V and a second relay in series through a normally open contact of a first relay; the third branch is a display branch formed by connecting an outlet valve potentiometer of a direct current power supply below 10V and a display mechanism for displaying the pressure of the sea outlet side and the flowing state in the sea outlet pipe in series through a normally closed contact of a second relay; and the fourth branch is formed by connecting a return water pipe LED lamp belt of a direct-current power supply below 10V through a normally open contact of a second relay.
The marine oil-water separator real object simulation system has the following advantages:
1. the problem of disjointing of actual operation and theory in the teaching is solved, and a bridge for teachers to teach actual operation and students to practice and learn is erected.
2. The teaching aid is intuitive, vivid and easy to understand, has the same working condition as that of the ship, enables students to have operation feeling of personally seeing the situation, and solves the problem that the teaching of schools is inconsistent with the practice work on the ship.
3. The simulation system can realize the normal operation of the equipment under the condition of no medium such as dirty oil water and the like.
4. Safe and reliable, the equipment does not need to be prepared in advance and can be used at any time. The device is mainly used for 24V safe voltage, can be operated in practice for infinite times, continuously improves the practical ability of students and has low energy consumption.
Drawings
FIG. 1 is a schematic diagram of a display lamp strip provided on a pipeline at an outlet end of each switching valve of a conventional marine oil-water separator;
FIG. 2 is a schematic circuit diagram of an oily sewage alarm system in the marine oil-water separator physical simulation system of the present invention;
FIG. 3 is a schematic diagram of a circuit for start control in the marine oil-water separator physical simulation system of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and accompanying drawings.
According to the marine oil-water separator real object simulation system, the opening and closing states of the valve banks in different running states are demonstrated through the opening and closing of the LED lamp strip under the condition that no oily sewage exists and according to the manual and automatic working characteristics of multistage separation. And the demonstration process that the flow direction (demonstrated by an LED lamp strip) from the sewage entering the oil-water separator to the discharge outboard in the normal operation state and the discharge three-way valve automatically closes the outboard discharge and opens the backflow secondary separation pipeline under the alarm condition, namely the discharged sewage exceeds the discharge standard of 15 ppm.
As shown in fig. 1, a 15PPM monitor 12 with oily sewage is provided, the 15PPM monitor 12 is connected with a three-way valve 7 and an audible and visual alarm B, a hard semitransparent PVC plastic pipe is used for an oil-water separator outlet pipe, the three-way valve 7 and a water return pipe, a water return pipe LED lamp strip D7(0-10V direct current) is installed in the pipe, an alarm function test is carried out before starting, a test rod is inserted into the 15PPM oily sewage monitor 12 (glass pipe), an alarm display exceeds 15PPM, the audible and visual alarm B sounds, meanwhile, the 15PPM monitor 12 controls the three-way valve 7 to cut off a sea outlet passage (the sea outlet pipe LED lamp strip D8 in the sea outlet passage is turned off), a water return passage (the LED lamp strip in the water return pipe is turned on), and water flow returns to a secondary separation system.
The invention relates to a marine oil-water separator real object simulation system which comprises an oily sewage alarm simulation system and an oil-water separator starting control simulation system.
As shown in fig. 2, the oily sewage alarm simulation system is composed of four branches which are respectively connected to a dc power supply below 10V and are connected in parallel, wherein the first branch is an alarm control branch composed of a first relay KM1 connected to the dc power supply below 10V through a first manual switch SB 1; the second branch circuit is an alarm branch circuit formed by connecting an audible and visual alarm B connected with a direct-current power supply below 10V through a normally open contact of a first relay KM1 and a second relay KM2 in series; the third branch is a display branch which is formed by connecting an outlet valve potentiometer W1 which is used for indicating a sea valve 8 and is connected with a direct current power supply below 10V through a normally closed contact KM2-1 of a second relay KM2, and a display mechanism which is used for displaying the pressure of the sea outlet side and the flow state in the sea outlet pipe in series; the fourth branch is formed by connecting a return pipe LED lamp strip D7 of a direct-current power supply below 10V through a normally-open contact KM2-2 of a second relay KM 2.
The display mechanism for displaying the pressure on the side of the sea outlet and the flow state in the sea outlet pipe is formed by connecting an outlet pressure gauge T1 and a sea outlet pipe LED lamp strip D8 in parallel.
As shown in fig. 1 and fig. 2, when the 15PPM monitor 12 detects that the discharged water exceeds 15PPM or is tested by using a detection rod (equivalent to closing the first manual switch SB1), the first relay KM1 is powered, the normally open contact of the first relay KM1 is closed, the audible and visual alarm B sounds, the second relay KM2 is powered at the same time, the normally closed contact KM2-1 of the second relay KM2 is opened, which indicates that the outlet valve of the sea channel of the three-way valve 7 is closed, the sea pipe LED strip D8 is extinguished, and the normally open contact KM2-2 of the second relay KM2 is closed, the return channel of the three-way valve 7 is opened, and the return pipe LED strip D7 is lit. The extinguishing and lighting of the water return pipe LED lamp strip D7 and the sea outlet pipe LED lamp strip D8 in the pipe of the three-way valve 7 show the acousto-optic reaction when the oily sewage alarm B gives an alarm, and vividly show the conversion process of the LED lamp strip in the sea outlet pipe and the water return pipe.
As shown in FIG. 3, the start control simulation system of the oil-water separator is composed of nine branches which are respectively connected with a DC power supply below 10V and are connected in parallel with each other,
the first branch is formed by sequentially connecting a first normally closed contact KM5-1 of a fifth relay connected with a direct-current power supply below 10V through a second manual switch SB2, a first normally closed contact KM4-1 of a fourth relay and a third relay KM3 in series;
the second branch is formed by sequentially connecting a second normally closed contact KM5-2 of a fifth relay connected with a direct current power supply below 10V through a third manual switch SB3, a first normally closed contact KM3-1 of a third relay KM3 and a fourth relay KM4 for representing a drain valve in series;
the third branch is composed of a sixth relay KM6 which is connected with a direct-current power supply below 10V through an oil level detector switch YTB and used for representing an oil discharge valve;
the fourth branch circuit is formed by a first group of LED lamp strips which are connected with a direct-current power supply below 10V through a first group of normally-open contacts, the first group of normally-open contacts are formed by connecting a first normally-open contact KM5-3 of a fifth relay and a first normally-open contact KM6-1 of a sixth relay in parallel, and the first group of LED lamp strips are formed by connecting a first LED lamp strip D1 which displays the flowing state of a pipeline at the outlet side of the first switch valve 1 and a third LED lamp strip D3 which displays the flowing state of a pipeline at the outlet side of the third switch valve 3 in parallel;
the fifth branch circuit is formed by connecting a first normally closed contact KM6-2 of a sixth relay of a direct-current power supply below 10V with a second group of LED lamp belts in series through a second group of normally open contacts, the second group of normally open contacts are formed by connecting a first normally open contact KM4-2 of a fourth relay and a first normally open contact KM3-2 of a third relay in parallel, and the second group of LED lamp belts are formed by connecting a second LED lamp belt D2 for displaying the flowing state of a pipeline at the outlet side of the second switch valve 2 and a fourth LED lamp belt D4 for displaying the flowing state of a pipeline at the outlet side of the fourth switch valve 4 in parallel;
the sixth branch circuit is composed of a fifth LED lamp strip D5 which is connected with a direct-current power supply below 10V through a third group of normally open contacts and displays the flowing state of a pipeline at the outlet side of the fifth switch valve 5, and the third group of normally open contacts are composed of a second normally open contact KM5-4 of a fifth relay and a second normally open contact KM6-3 of a sixth relay in parallel.
The seventh branch circuit is formed by a second normally closed contact KM6-4 of a sixth relay connected with a direct-current power supply below 10V through a fourth group of normally open contacts and a sixth LED lamp strip D6 displaying the flowing state of a pipeline at the outlet side of the sixth switch valve 6, and the fourth group of normally open contacts are formed by connecting a second normally open contact KM4-3 of a fourth relay and a second normally open contact KM3-3 of a third relay in parallel;
the eighth branch is formed by connecting a fourth manual switch SB4 connected with a direct-current power supply below 10V, a second normally closed contact KM4-4 of a fourth relay, a second normally closed contact KM3-4 of a third relay KM3 and a fifth relay KM5 in series;
the ninth branch is composed of a fifth group of normally open contacts connected with a direct-current power supply below 10V, a sewage pump F and an inlet pressure gauge T2, wherein the fifth group of normally open contacts is composed of a third normally open contact KM3-5 of a third relay, a third normally open contact KM4-5 of a fourth relay and a third normally open contact KM5-5 of a fifth relay KM5 in a parallel connection mode.
As shown in fig. 1 and fig. 3, the operation process of the start-up control simulation system of the oil-water separator is as follows:
1. the automatic separation process comprises the following steps: when a first manual switch SB1 of a control handle of the oil-water separator is placed at an automatic position, a second manual switch SB2 is closed, a third relay KM3 is electrified, a first normally closed electric contact KM3-1 and a second normally closed electric contact KM3-4 of the third relay KM3 are disconnected, a fourth relay KM4 and a fifth relay KM5 for manually discharging oil are powered off, contacts of a second normally open contact KM3-3 and a third normally open contact KM3-5 of the third relay KM3 are closed, a second switch valve 2, a fourth switch valve 4 and a sixth switch valve 6 are opened, a second LED lamp strip D2, the fourth LED lamp strip D4 and the sixth LED lamp strip D6 are lightened, a third normally open contact KM3-5 of a third relay KM3 is closed, an inlet pressure gauge T2 is electrified, the display pressure is a negative value, the first switch valve 1 and the third switch valve 3 are closed, the first LED lamp strip D1 and the third LED lamp strip D3 are turned off, and the process is an automatic drainage process. When the oil level detector switch YTB is closed, a sixth relay KM6 for automatically discharging oil is electrified, a first normally open contact KM6-1 and a second normally open contact KM6-3 of the sixth relay are closed, a first switch valve 1, a third switch valve 3 and a fifth switch valve 5 are opened, a first LED lamp strip D1, a third LED lamp strip D3 and a fifth LED lamp strip D5 are lightened, a first normally closed contact KM6-2 and a second normally closed contact KM6-4 of the sixth relay are disconnected, a second switch valve 2, a fourth switch valve 4 and a sixth switch valve 6 are closed, a second LED lamp strip D2, a fourth LED lamp strip D4 and a sixth LED lamp strip D6 are extinguished, an inlet T2 is displayed as a positive value, an oil discharging process is carried out, when the oil level detector switch YTB is disconnected, the sixth relay KM6 for automatically discharging oil is powered off, a first normally open contact KM 6-15 and a second pressure gauge 6-893 are disconnected, and (3) closing the valves 1, 3 and 5, turning off the first LED lamp strip D1, the third LED lamp strip D3 and the fifth LED lamp strip D5, and finishing oil drainage. The first normally closed contact KM6-2 and the second normally closed contact KM6-4 of the sixth relay are closed, the second switch valve 2, the fourth switch valve 4 and the sixth switch valve 6 are opened, the second LED lamp strip D2, the fourth LED lamp strip D4 and the sixth LED lamp strip D6 are lightened, the inlet pressure gauge T1 displays a negative value, and the oil-water separator continues to automatically separate and drain water.
2. And (3) manual drainage process: when the handle is opened to the drainage position, a third manual switch SB2 contact is closed, a fourth relay KM4 is electrified, a first normally closed contact KM3-1 of a third relay KM3, a first normally closed contact KM5-1 of a fifth relay KM5 is disconnected (automatic drainage and drainage relays are disconnected), a second normally open contact KM4-3 and a second normally open contact KM4-3 of a fourth relay are closed, at the moment, a second switch valve 2, a fourth switch valve 4 and a sixth switch valve 6 are opened, a second LED lamp strip D2, a fourth LED lamp strip D4 and a sixth LED lamp strip D6 are lightened, an outlet pressure gauge T1 has a pressure display, a third normally open contact KM4-5 of the fourth relay is closed, an inlet pressure gauge T2 is a negative value, and a first switch valve 1 is opened, The third switch valve 3 and the fifth switch valve 5 are closed, and the first LED lamp strip D1, the third LED lamp strip D3 and the fifth LED lamp strip D5 are turned off. The above is a manual drainage process
3. Manual oil drainage process: when the oil discharging handle is opened to the oil discharging position, the contact of the fourth manual switch SB4 is closed, the fifth relay KM5 relay is electrified, the first normally closed contact KM5-1 and the second normally closed contact KM5-2 of the fifth relay are disconnected (the automatic and manual drainage relays are disconnected), the first normally open contact KM5-3 and the second normally open contact KM5-4 of the fifth relay are closed, the first switch valve 1, the third switch valve 3 and the fifth switch valve 5 are opened, the first LED lamp strip D1, the third LED lamp strip D3 and the fifth LED lamp strip D5 are turned on, the second switch valve 2, the fourth switch valve 4 and the sixth switch valve 6 are turned off, the second LED lamp strip D2, the fourth LED lamp strip D4 and the sixth LED lamp strip D6 are turned off, the contact KM3-5 of the third relay is disconnected, the KM4-5 of the fourth relay is closed, and the inlet pressure gauge T2 shows that the value is positive. The outlet pressure gauge T1 is pressureless. The above is a manual oil discharging process.
Claims (3)
1. A marine oil-water separator physical simulation system is characterized by comprising an oily sewage alarm simulation system and an oil-water separator starting control simulation system, wherein the oily sewage alarm simulation system is composed of four branches which are respectively connected with a direct current power supply below 10V and are mutually connected in parallel, and a first branch is an alarm control branch which is composed of a first relay (KM1) connected with the direct current power supply below 10V through a first manual switch (SB 1); the second branch circuit is an alarm branch circuit formed by connecting an audible and visual alarm (B) connected with a direct-current power supply below 10V through a normally open contact of a first relay (KM1) and a second relay (KM2) in series; the third branch is a display branch which is formed by connecting an outlet valve potentiometer (W1) of a sea valve (8) and a display mechanism for displaying the pressure of the sea outlet side and the flow state in the sea outlet pipe in series, wherein the outlet valve potentiometer is connected with a direct current power supply below 10V through a normally closed contact (KM2-1) of a second relay (KM 2); the fourth branch is formed by connecting a return pipe LED lamp strip (D7) of a direct current power supply below 10V through a normally open contact (KM2-2) of a second relay (KM 2).
2. The marine oil-water separator physical simulation system of claim 1, wherein the display mechanism for displaying the pressure at the sea outlet and the flow state in the sea pipe is formed by connecting an outlet pressure gauge (T1) and a sea pipe LED strip (D8) in parallel.
3. The physical simulation system for the marine oil-water separator according to claim 1, wherein the start control simulation system for the oil-water separator comprises nine branches connected in parallel to each other and respectively connected to a DC power supply of 10V or less,
the first branch is formed by sequentially connecting a first normally closed contact (KM5-1) of a fifth relay connected with a direct-current power supply below 10V through a second manual switch (SB2), a first normally closed contact (KM4-1) of a fourth relay and a third relay (KM3) in series;
the second branch is formed by sequentially connecting a second normally closed contact (KM5-2) of a fifth relay connected with a direct-current power supply below 10V through a third manual switch (SB3), a first normally closed contact (KM3-1) of a third relay (KM3) and a fourth relay (KM4) for representing a drain valve in series;
the third branch is composed of a sixth relay (KM6) which is connected with a direct current power supply below 10V through an oil level detector switch (YTB) and is used for representing an oil discharge valve;
the fourth branch circuit is formed by a first group of LED lamp belts which are connected with a direct-current power supply below 10V through a first group of normally-open contacts, the first group of normally-open contacts are formed by connecting a first normally-open contact (KM5-3) of a fifth relay and a first normally-open contact (KM6-1) of a sixth relay in parallel, and the first group of LED lamp belts are formed by connecting a first LED lamp belt (D1) which displays the flowing state of a pipeline at the outlet side of the first switch valve (1) and a third LED lamp belt (D3) which displays the flowing state of a pipeline at the outlet side of the third switch valve (3) in parallel;
the fifth branch circuit is formed by connecting a first normally closed contact (KM6-2) of a sixth relay of a direct-current power supply below 10V with a second group of LED lamp belts in series through a second group of normally open contacts, the second group of normally open contacts are formed by connecting a first normally open contact (KM4-2) of a fourth relay and a first normally open contact (KM3-2) of a third relay in parallel, and the second group of LED lamp belts are formed by connecting a second LED lamp belt (D2) for displaying the flowing state of a pipeline at the outlet side of the second switch valve (2) and a fourth LED lamp belt (D4) for displaying the flowing state of a pipeline at the outlet side of the fourth switch valve (4) in parallel;
the sixth branch circuit is composed of a fifth LED lamp strip (D5) which is connected with a direct-current power supply below 10V through a third group of normally open contacts and displays the flowing state of a pipeline at the outlet side of a fifth switch valve (5), and the third group of normally open contacts are formed by connecting a second normally open contact (KM5-4) of a fifth relay and a second normally open contact (KM6-3) of a sixth relay in parallel.
The seventh branch circuit is formed by a second normally closed contact (KM6-4) of a sixth relay connected with a direct-current power supply below 10V through a fourth group of normally open contacts and a sixth LED lamp strip (D6) displaying the flowing state of a pipeline at the outlet side of the sixth switching valve (6), and the fourth group of normally open contacts are formed by connecting a second normally open contact (KM4-3) of the fourth relay and a second normally open contact (KM3-3) of the third relay in parallel;
the eighth branch is formed by connecting a fourth manual switch (SB4) connected with a direct-current power supply below 10V, a second normally closed contact (KM4-4) of a fourth relay, a second normally closed contact (KM3-4) of a third relay and a fifth relay (KM5) in series;
the ninth branch is composed of a fifth group of normally open contacts connected with a direct current power supply below 10V, a sewage pump (F) and an inlet pressure gauge (T2), wherein the fifth group of normally open contacts is composed of a third normally open contact (KM3-5) of a third relay, a third normally closed contact (KM4-5) of a fourth relay and a third normally open contact (KM5-5) of a fifth relay (KM5) which are connected in parallel.
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