CN111653143B - A fire-fighting teaching device for LNG transport semi-trailer - Google Patents
A fire-fighting teaching device for LNG transport semi-trailer Download PDFInfo
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- CN111653143B CN111653143B CN202010574441.8A CN202010574441A CN111653143B CN 111653143 B CN111653143 B CN 111653143B CN 202010574441 A CN202010574441 A CN 202010574441A CN 111653143 B CN111653143 B CN 111653143B
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract 4
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- 239000012071 phase Substances 0.000 claims description 56
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- 238000004880 explosion Methods 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 4
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- 230000000007 visual effect Effects 0.000 claims description 4
- 230000006378 damage Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 abstract description 16
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- 239000003949 liquefied natural gas Substances 0.000 description 16
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- 208000001034 Frostbite Diseases 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 239000007792 gaseous phase Substances 0.000 description 1
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Classifications
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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
-
- 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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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
本发明涉及一种LNG运输半挂车消防教学设备，其包括：罐体，其内部固设有两个与罐体轴线相垂直的隔仓封堵板，两个所述隔仓封堵板之间形成隔仓；操作箱，固设于所述罐体右端，其通过管路与所述隔仓相连通；安装架，用于支撑所述罐体，所述安装架与罐体之间设有驱动所述罐体周向旋转的旋转驱动机构；固定架，其设于所述安装架下方，所述固定架与安装架之间设有角度调节装置，用来调节所述安装架和罐体的前后倾斜角度。
The present invention relates to a fire-fighting teaching device for an LNG transport semitrailer, which comprises: a tank body, inside which two partition sealing plates perpendicular to the axis of the tank body are fixedly arranged, a partition is formed between the two partition sealing plates; an operation box, fixedly arranged at the right end of the tank body, and connected with the partition through a pipeline; a mounting frame, used to support the tank body, a rotating driving mechanism for driving the tank body to rotate circumferentially is arranged between the mounting frame and the tank body; a fixing frame, which is arranged below the mounting frame, an angle adjusting device is arranged between the fixing frame and the mounting frame, and is used to adjust the front and rear tilt angles of the mounting frame and the tank body.
Description
Technical Field
The invention relates to LNG transport semitrailer fire-fighting teaching equipment, and particularly belongs to the technical field of fire-fighting teaching equipment.
Background
Liquefied Natural Gas (LNG) is a colorless, odorless, high heating value liquid. The main danger is the inflammable and explosive property, and in addition, LNG has the risks of boiling and rolling, low-temperature frostbite, low-temperature anesthesia, asphyxia, cold explosion and the like. Liquefied natural gas tank trucks are special vehicles for transporting liquefied natural gas. When an LNG tanker is involved in a car accident, special care is required to handle it, minimizing damage. However, the existing firefighters are not familiar with the internal structure and the operation method of the tank body of the LNG tank truck, and encounter related accidents, so that the firefighters often cannot know how to quickly and effectively treat the LNG tank truck, and delay the optimal rescue time, so that a series of bad and serious consequences are caused.
According to the technical scheme, the LNG transport semitrailer fire-fighting teaching equipment is designed according to an original factory real transport tank body, an inner structure and an outer structure are identical to the real transport tank body, a visible window and an external lighting system are designed, the concrete structure in the tank body and the outer structure can be seen, full-set full-true valves, cutting devices and safety devices are adopted for actual combat learning, 100% real experience in vision and touch sense is achieved, a pressurized gas cylinder and a fire hose special joint are configured, rapid liquid guiding, liquid draining and the like can be realized in real practice, the gas phase and liquid phase states of the tank body under various three-dimensional space postures such as tilting forward and backward are simulated in a real mode through remote control, full-true emergency practice of abnormal conditions such as tilting and tilting is realized, unexpected leakage simulation including gas phase and liquid phase leakage simulation can be realized, a 0.1MPa pressurizing device is arranged, abnormal conditions such as spraying, spraying and tripping of a safety valve can be simulated, and real scenes such as opening and closing of the valve can be simulated.
Disclosure of Invention
The invention aims to solve the technical problem of providing the LNG transport semitrailer fire-fighting teaching equipment capable of realizing simulation of various unexpected and abnormal real scenes and performing full-true emergency exercise.
In order to solve the problems, the invention adopts the following technical scheme:
an LNG-carrier semitrailer fire teaching apparatus, comprising:
the tank body is internally and fixedly provided with two partition blocking plates perpendicular to the axis of the tank body, and a partition is formed between the two partition blocking plates;
The operation box is fixedly arranged at the right end of the tank body and is communicated with the compartment through a pipeline;
the installation frame is used for supporting the tank body, and a rotary driving mechanism for driving the tank body to circumferentially rotate is arranged between the installation frame and the tank body;
The fixing frame is arranged below the mounting frame, and an angle adjusting device is arranged between the fixing frame and the mounting frame and used for adjusting the front-back inclination angle of the mounting frame and the tank body.
As a further improvement of the invention, the rotary driving mechanism comprises a circular arc-shaped or circular ring-shaped track arranged outside the tank body, a roller arranged on the mounting frame and a driving mechanism for driving the roller to rotate, and the roller is matched with the track.
As a further improvement of the invention, the angle adjusting device comprises rotating rods arranged at the left end and the right end of the mounting frame, the rotating rods are arranged on the mounting frame through bearing seats, supporting columns for supporting the rotating rods are arranged on the mounting frame, arc-shaped grooves matched with the rotating rods are arranged at the tops of the supporting columns, the mounting frame and the tank body can swing back and forth around two rotating rods as shafts respectively, and the angle adjusting device also comprises two lifting mechanisms arranged between the mounting frame and the mounting frame, wherein the two lifting mechanisms are respectively positioned at the left side and the right side of the mounting frame.
As a further improvement of the invention, the lifting mechanism comprises a worm wheel screw rod lifter and a first servo motor for driving the worm wheel screw rod lifter, wherein a horizontal input shaft and a vertical screw rod are arranged on the worm wheel screw rod lifter, the bottom of the worm wheel screw rod lifter is hinged with a worm wheel screw rod lifter hinged seat fixedly arranged on the fixing frame, the upper end of the screw rod is hinged with the rotating rod, the first servo motor is hinged on the fixing frame through a first servo motor hinged seat, and an output shaft of the first servo motor is connected with the input shaft on the worm wheel screw rod lifter.
As a further improvement of the invention, the angle adjusting device comprises a hanging frame arranged on the left side and the right side of the middle part of the mounting frame, a bracket used for supporting the hanging frame is arranged on the fixing frame, the hanging frame and the bracket are hinged together through a hinge shaft, the mounting frame and the tank body can swing back and forth around the hinge shaft integrally, and the angle adjusting device further comprises a lifting mechanism arranged between the fixing frame and the mounting frame.
As a further improvement of the invention, the lifting mechanism comprises a telescopic oil cylinder hinged on the fixing frame, an oil cylinder rod of the telescopic oil cylinder, a connecting arm and a supporting arm are mutually hinged together, the other end of the connecting arm is hinged with a cross beam of the mounting frame, and the other end of the supporting arm is hinged with the fixing frame.
As a further improvement of the invention, the operation box is communicated with the bottom of the compartment through a liquid phase inlet and outlet pipeline and a pressurizing pipeline, and is communicated with the top of the compartment through a liquid level meter gas phase pipeline, a gas phase inlet and outlet pipeline, a full-measuring pipeline and an upper liquid inlet pipe, and a special joint of the fire hose is arranged at the liquid inlet and outlet of the operation box.
As a further improvement of the present invention, the operation box includes:
The pneumatic emergency cut-off device comprises an emergency cut-off valve and a pneumatic control system, wherein the emergency cut-off valve comprises a liquid phase emergency cut-off valve, a pressurizing emergency cut-off valve and a gas phase emergency cut-off valve, the pneumatic control system comprises a liquid phase emergency cut-off control valve, a pressurizing emergency cut-off control valve and a gas phase emergency cut-off control valve, and a hand wheel is arranged on the liquid phase emergency cut-off valve, the pressurizing emergency cut-off valve and the gas phase emergency cut-off valve;
an upper liquid inlet stop valve and an upper liquid inlet one-way valve which are connected with the upper liquid inlet pipe;
The lower liquid inlet and outlet valve is connected with the liquid inlet and outlet pipeline;
a booster outlet valve connected to the booster line;
a gas phase valve connected with the gas phase inlet and outlet pipeline;
an inner tank vent valve disposed between the gas phase inlet and outlet line and the discharge line;
a full-measuring valve connected with the full-measuring pipeline;
The liquid phase pipeline vent valve, the pressurizing pipeline vent valve and the gas phase pipeline vent valve are all connected with the discharge pipeline;
A liquid level meter, a liquid level meter upper pipe stop valve, a liquid level meter lower pipe stop valve, a liquid level meter balance valve and a pressure gauge, wherein the liquid level meter is connected with a liquid level meter gas phase pipeline;
the combined safety valve is arranged between the gas phase inlet and outlet pipeline and the discharge pipeline and comprises two safety valves connected in parallel, and the two safety valves are connected with a three-way ball valve;
the vacuumizing valve is communicated with an interlayer between the outer tank and the inner tank of the tank body;
And the flame arrester is arranged on the discharge pipeline.
As a further improvement of the invention, the tank body is provided with a visual window and an external lighting system for lighting the inside of the tank body, and the tank body is also provided with an explosion character mark and a reflective mark.
As a further improvement of the invention, the fire-fighting teaching equipment is externally provided with a protective fence, and an infrared detection device is arranged in the protective fence and used for detecting the number of internal personnel and preventing personnel injury caused by equipment failure.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
The invention provides LNG transport semitrailer fire-fighting teaching equipment, which is designed according to an original factory real transport tank body, has an inner structure and an outer structure which are identical to the real transport tank body, is provided with a visible window and an external lighting system, can see the specific structure in the tank body, adopts a complete set of full-real valve, a cutting device and a safety device to perform actual combat learning, realizes 100% real experience in vision and touch sense, can truly exercise and rapidly conduct liquid and liquid discharge through the pressurization of a pressurized gas cylinder and a special joint of a fire hose by configuring the pressurized gas cylinder during liquid and liquid discharge, truly simulates the gas phase and liquid phase states of the tank body under various three-dimensional space postures of 0-360 degrees, forward tilting, backward tilting and the like through remote control, can realize unexpected leakage simulation including gas phase and liquid phase leakage simulation and the like, is provided with a 0.1MPa pressurizing device, can simulate the abnormal states of liquid spraying, air spraying, safety valve lifting and the like, and is provided with an operation box, and can simulate the real scenes of operation valve opening, closing, emptying and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the front view structure of the present invention.
Fig. 2 is a left-hand structural schematic of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the front view of the present invention.
Fig. 4 is a right-side view of the present invention.
Fig. 5 is a schematic view of the structure of the fixing frame and the mounting frame in the present invention.
Fig. 6 is a schematic view of another structure of the fixing frame and the mounting frame in the present invention.
Fig. 7 is a schematic view of the structure of the mounting frame and the hanging frame in the present invention.
Fig. 8 is a schematic diagram of a further front view of the present invention.
Fig. 9 is a schematic diagram of yet another left-hand construction of the present invention.
Fig. 10 is a schematic view of the structure of the worm wheel screw lifter according to the present invention.
FIG. 11 is a schematic view of the structure of the support column and the card holder according to the present invention.
Fig. 12 is a schematic structural diagram of a first servo motor in the present invention.
Wherein: 1 tank, 1-1 outer tank, 1-2 inner tank, 2 explosion mark, 3 reflection mark, 4 track, 5 roller, 6 support, 7 beam, 8 longitudinal beam, 9 suspension, 10 support, 11 fixing frame, 12 telescopic cylinder, 13 cylinder rod, 14 support arm, 15 connecting arm, 16 operation box, 17 partition blocking plate, 18 liquid level meter gas phase pipeline, 19 gas phase inlet and outlet pipeline, 20 full measuring pipeline, 21 upper liquid inlet pipe, 22 liquid phase inlet and outlet pipeline, 23 pressurizing pipeline, 24 coupling, 25 worm gear screw elevator hinged seat, 26 worm gear screw elevator, 26-1 connecting plate, 27 screw, 28 input shaft, 29 bearing seat, 30 rotary rod, 31 support column, 32 clamping seat, 33 arc groove, 34 yielding hole, 35 first hinge seat of motor, 36 first servo motor, 36-1 connecting plate second, 37 external lighting system, 38 visual window 39 outer tank explosion vent, 40 discharge pipeline, 41 liquid phase emergency cut-off valve, 42 pressurization emergency cut-off valve, 43 gas phase emergency cut-off valve, 44 liquid phase emergency cut-off control valve, 45 pressurization emergency cut-off control valve, 46 gas phase emergency cut-off control valve, 47 hand wheel, 48 upper liquid inlet cut-off valve, 49 lower liquid inlet and outlet valve, 50 booster outlet valve, 51 gas phase valve, 52 inner tank emptying valve, 53 full valve, 54 liquid phase pipeline emptying valve, 55 pressurization pipeline emptying valve, 56 gas phase pipeline emptying valve, 57 liquid level meter upper pipe cut-off valve, 58 liquid level meter lower pipe cut-off valve, 59 liquid level meter balance valve, 60 liquid level meter, 61 pressure meter, 62 combined safety valve, 63 three-way ball valve, 64 vacuumizing valve, 65 gas break brake device, 66 fire arrestor, 67 pressurization gas cylinder, 68 servo motor II.
Detailed Description
For the purposes of clarity, technical solutions and advantages of the present invention, the following description will be made in detail with reference to specific embodiments, it should be understood that the terms "center," "vertical," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. are used for convenience of description and for simplifying the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
In this embodiment, two ends/front and rear ends of the tank 1, the mounting rack and the fixing rack 11 refer to left and right ends in fig. 1 by taking fig. 1 as an example, two sides of the tank 1, the mounting rack and the fixing rack 11 refer to left and right sides in fig. 2 by taking fig. 2 as an example, and circumferential rotation of the tank 1 refers to rotation about an axis of the tank 1 as a rotation axis.
An LNG-carrier semitrailer fire-fighting teaching apparatus as shown in fig. 1-12, comprising:
The tank body 1 is cylindrical, two ends are sealed, two partition blocking plates 17 perpendicular to the axis of the tank body 1 are fixedly arranged in the tank body 1, a partition is formed between the two partition blocking plates 17, water or other liquid can be contained in the partition, the tank body 1 and liquid phase are simulated by the partition and the water, the weight of the tank body 1 is greatly reduced, the tank body 1 is convenient to roll over and incline, the tank body 1 can truly present a liquid phase incline state, an operation box 16 is arranged at the right end of the tank body 1, the operation box 16 is communicated with the partition through a pipeline, the pipeline comprises a liquid level meter gas phase pipeline 18, a gas phase inlet and outlet pipeline 19, a full-filling pipeline 20, an upper liquid inlet and outlet pipeline 22 and a pressurizing pipeline 23, the operation box 16 is communicated with the bottom of the partition through the liquid phase inlet and outlet pipeline 22 and the pressurizing pipeline 23, the tank body 1 is externally provided with a gas phase meter gas cylinder 18, a gas phase inlet and outlet pipeline 19, a full-filling pipeline 20 and an upper liquid inlet pipeline 21 and the top gas cylinder are communicated with the top of the partition, the tank body 1 is externally provided with two circular rails 67, and the two circular rails 1 are arranged at the two ends of the two circular rails 4 are fixedly arranged.
The installation frame is used for supporting the tank body 1, be equipped with the drive between installation frame and the tank body 1 the rotatory rotary drive mechanism of tank body 1 circumference, rotary drive mechanism is including setting up the outside convex or circular annular track 4 of tank body 1, and set up gyro wheel 5 and the drive on the installation frame gyro wheel 5 rotatory actuating mechanism, gyro wheel 5 with track 4 looks adaptation. In this embodiment, the mounting frame is square, including two crossbeams 7 and two longitudinal beams 8, the tank body 1 is disposed above the mounting frame and parallel to the longitudinal beams 8, two rollers 5 are disposed on each crossbeam 7 through a support 6, the rollers 5 are disposed below two sides of the tank body 1 and are matched with the track 4, the rollers 5 are connected with a driving mechanism, in this embodiment, the driving mechanism is a second servo motor 68, the rollers 5 are connected with an output shaft of the second servo motor 68, anti-slip materials are disposed between the rollers 5 and the track 4, sliding between the rollers 5 and the track 4 is prevented, rubber can be fixedly disposed outside the rollers 5, the tank body 1 is driven by the second servo motor 68 to roll over at any angle within 360 degrees, in this embodiment, two ends of the mounting frame are respectively provided with a second servo motor 68 which rotates synchronously and are connected with the rollers 5, edges are disposed in the middle of the track 4, and the rollers 5 are clamped in the track 4 to prevent sliding out of the track 4.
The fixing frame 11 is arranged below the mounting frame, and an angle adjusting device is arranged between the fixing frame 11 and the mounting frame and is used for adjusting the front-back inclination angle of the mounting frame and the tank body 1.
As an implementation mode, the angle adjusting device comprises a rotating rod 30 arranged at the left end and the right end of the mounting frame, the rotating rod 30 is arranged on the mounting frame through a bearing seat 29, a supporting column 31 supporting the rotating rod 30 is arranged on the mounting frame 11, an arc-shaped groove 33 matched with the rotating rod 30 is formed in the top of the supporting column 31, the mounting frame and the tank body 1 can swing back and forth around two rotating rods 30 as shafts respectively, and the angle adjusting device further comprises two lifting mechanisms arranged between the left end and the right end of the mounting frame 11 and the left end and the right end of the mounting frame, and the two lifting mechanisms are respectively positioned at the left side and the right side of the mounting frame 11. In this embodiment, the lifting mechanism includes a worm gear screw lifter 26 and a first servo motor 36 for driving the worm gear screw lifter 26, a horizontal input shaft 28 and a vertical screw 27 are disposed on the worm gear screw lifter 26, the bottom of the worm gear screw lifter 26 is hinged to a worm gear screw lifter hinge seat 25 fixed on the fixing frame 11, the upper end of the screw 27 is hinged to the rotating rod 30, the first servo motor 36 is hinged to the fixing frame 11 through a first servo motor hinge seat 35, and an output shaft of the first servo motor 36 is connected to the input shaft 28 on the worm gear screw lifter 26.
In this embodiment, the lifting mechanism includes two worm screw lifters 26, the worm screw lifters 26 are disposed on two sides of the end of the fixing frame 11, a first connecting plate 26-1 is disposed at the bottom of the worm screw lifters 26, the first connecting plate 26-1 is hinged to a first worm screw lifter hinge seat 25 fixed on the fixing frame 11, the rotating rod 30 is disposed on the cross beam 7 of the end of the fixing frame through a bearing seat 29, the middle of the end of the fixing frame 11 is hinged to a second connecting plate 36-1 fixed on a first servo motor 36 through a first servo motor hinge seat 35, the first servo motor 36 is a dual-output shaft motor, two output shafts of the first servo motor are respectively connected to two input shafts 28 on the two worm screw lifters 26 on the same end of the fixing frame 11 through a coupling 24, two support columns 31 are disposed at two ends of the fixing frame 11, one end of each support column is disposed between the first worm screw lifter hinge seat 25 and the first servo motor hinge seat 35, a clamp seat 32 is disposed on each support column 31 through a bolt, and the top of each clamp seat 32 is disposed with an arc-shaped groove 33 corresponding to the output shaft 33 on the top of the worm screw lifter 30. When adjusting the fore-and-aft inclination of mounting bracket and jar body 1, through the servo motor one 36 of mount 11 one end drive the lead screw 27 of worm wheel lead screw lift 26 goes up and down, thereby drives this one end of mounting bracket and jar body 1 goes up and down, the mounting bracket is in with the card establish in the arc wall 33 the bull stick 30 is the pivot and rotates (servo motor one 36 of this end does not work), thereby carries out the adjustment of mounting bracket and jar body 1 inclination, the simulation jar body 1 inclination's adjustment carries out the gaseous phase, liquid phase state simulation under the various postures of jar body 1 carries out the full emergent exercise of abnormal conditions such as turn on one's side, turn over. When the inclination angle of the mounting frame and the tank body 1 is adjusted, the first servo motor 36 can synchronously rotate along with the worm wheel screw rod lifter 26, and the output shaft of the first servo motor 36 can be prevented from interfering with the supporting column 31 by arranging the abdicating hole 34.
As another implementation mode, the angle adjusting device comprises a hanging frame 9 arranged on the left side and the right side of the middle of the installation frame, a support 10 used for supporting the hanging frame 9 is arranged on a fixing frame 11, two supports 10 are fixedly arranged on each side of the fixing frame 11 on two sides of the hanging frame 9, the hanging frame 9 and the supports 10 are hinged together through a hinge shaft, and the installation frame and the tank body can integrally swing around the hinge shaft. The angle adjusting device further comprises a lifting mechanism arranged between the fixing frame 11 and the mounting frame, the lifting mechanism comprises a telescopic cylinder 12 hinged on the fixing frame 11, a cylinder rod 13 of the telescopic cylinder 12, a connecting arm 15 and a supporting arm 14 are mutually hinged together, the other end of the connecting arm 15 is hinged with the cross beam 7 of the mounting frame, and the other end of the supporting arm 14 is hinged with the fixing frame 11.
The installation frame and the tank body 1 can rotate by taking a hinge shaft at the hinge position of the bracket 10 and the hanging frame 9 as a rotating shaft, when adjusting the front-back inclination angle of the installation frame and the tank body 1, the states of the connecting arm 15 and the supporting arm 14 are changed through the expansion and contraction of the telescopic oil cylinder 12, the installation frame and the tank body 1 are driven to incline, so that the inclination angle of the installation frame and the tank body 1 is adjusted, the gas phase and liquid phase states of the tank body 1 under various postures are carried out, and the full true emergency exercise of abnormal conditions such as rollover, upward turning and the like is carried out.
The operation box 16 includes:
the pneumatic emergency cut-off device comprises an emergency cut-off valve and a pneumatic control system, wherein the emergency cut-off valve comprises a liquid phase emergency cut-off valve 41, a pressurizing emergency cut-off valve 42 and a gas phase emergency cut-off valve 43, the liquid phase emergency cut-off valve 41, the pressurizing emergency cut-off valve 42 and the gas phase emergency cut-off valve 43 are respectively arranged on a liquid phase inlet and outlet pipeline 22, a pressurizing pipeline 23 and a gas phase inlet and outlet pipeline 19 in the tank body 1, the pneumatic control system comprises a liquid phase emergency cut-off control valve 44, a pressurizing emergency cut-off control valve 45 and a gas phase emergency cut-off control valve 46, and a hand wheel 47 is arranged on the liquid phase emergency cut-off valve 41, the pressurizing emergency cut-off valve 42 and the gas phase emergency cut-off valve 43. The emergency shut-off valve can be opened or closed by the pneumatic control system or hand wheel 47.
The upper liquid inlet stop valve 48 and the upper liquid inlet check valve are connected in series and connected with the upper liquid inlet pipe 21, and are opened during liquid inlet and closed after filling, so that liquid backflow is prevented.
The lower liquid inlet/outlet valve 49 is connected to the liquid inlet/outlet pipe 22, and is opened when loading and unloading liquid, and closed after filling or unloading liquid.
And a booster outlet valve 50 connected to the booster line 23, which is opened when the discharge pressure is increased, and closed after the pressure increase is completed.
A gas phase valve 51 connected to the gas phase inlet/outlet line 19 for use in balancing the pressure during discharge.
An inner tank vent valve 52 is provided between the gas phase inlet and outlet line 19 and the discharge line 40, and is used when the pressure in the tank 1 reaches or exceeds the operating pressure, the discharge pressure.
And a full-fill valve 53 connected to the full-fill line 20, wherein when the gauge 60 indicates that the tank 1 is nearly full, the full-fill valve 53 is opened, and if liquid is discharged, the filling of the tank 1 should be stopped.
The liquid-phase pipeline vent valve 54, the pressurizing pipeline vent valve 55 and the gas-phase pipeline vent valve 56 are all connected with the discharge pipeline 40, and are used for discharging residual LNG and gas in the pipeline after loading and unloading are completed.
And the liquid phase pipeline safety valve and the pressurizing pipeline safety valve are connected with the discharge pipeline 40 to prevent residual LNG in the pipeline from gasifying and overpressure and discharge the pressure in the pipeline.
A liquid level meter 60, a liquid level meter upper pipe stop valve 57, a liquid level meter lower pipe stop valve 58, a liquid level meter balance valve 59 and a pressure meter 61, wherein the liquid level meter 60 is connected with the liquid level meter gas phase pipeline 18.
The combined safety valve 62 is arranged between the gas-phase inlet and outlet pipeline 19 and the discharge pipeline 40, and comprises two safety valves connected in parallel, wherein the two safety valves are connected with the three-way ball valve 63, when the pressure in the tank body 1 is abnormally increased, the safety valves are opened to release the pressure in the tank body 1, and the three-way ball valve 63 is used for overhauling the safety valves.
A vacuum valve 64 communicating with the interlayer between the outer tank 1-1 and the inner tank 1-2.
A flame arrestor 66 is provided on the discharge line 40 to block flames from entering the tank 1 through the discharge line 40 when the tank car is in a fire scene.
The air brake device 65 is started when the vehicle loading and unloading liquid is finished and the vehicle brake state is contacted after the door is closed.
The vacuum isolation valve and the vacuum gauge pipe are used for measuring the vacuum degree in the interlayer when the tank truck is inspected in years, and are forbidden to be opened at ordinary times.
In this embodiment, the tank body 1 includes an outer tank 1-1 and an inner tank 1-2 which are fixed together, the inner tank 1-2 is made of a full stainless steel material, a plurality of layers of heat insulation materials are wound outside the inner tank, the heat insulation materials are formed by compounding two materials of aluminum foil and heat insulation paper, and an outer tank explosion-proof port 39 is arranged at the right end of the outer tank 1-1. The diameter of the tank body 1 is the same as that of the real transportation tank body, the length of the tank body is shorter than that of the real transportation tank body, the real transportation tank body is cut off from the tank body and plugged, all structures in the real transportation tank body are arranged in the tank body 1, corresponding space compression is carried out at longitudinal arrangement intervals, and a plurality of wave-proof plates are arranged in the tank body 1. The left end of the tank body 1 is provided with a visual window 38 and an external lighting system 37 for lighting the inside of the tank body 1, the tank body 1 is also provided with an explosion character mark 2 and a reflection mark 3, and pipelines with different purposes in the tank body 1 and the operation box 16 are coated with different colors. The real transportation tank body is designed according to the original factory, the internal and external structure is the same as the real transportation tank body, the visible window 38 and the external lighting system 37 are designed, the specific structure inside and outside the tank body 1 can be seen, the full set of full-true valve, the cutting device and the safety device are adopted for actual combat learning, the real scenes such as valve opening and closing and emptying can be simulated and operated, and 100% real experience in vision and touch is realized. The liquid inlet and outlet and the gas inlet of the operation box 16 are provided with special joints of fire hose. By configuring the pressurizing air cylinder 67 and the special joint of the fire hose, the pressurizing air cylinder 67 pressurizes during liquid guiding and liquid discharging, and the special joint of the fire hose is configured for the fire truck, so that the liquid guiding and liquid discharging speed is accelerated, and the liquid guiding and liquid discharging speed can be truly and rapidly realized. When the overturning angle of the tank body 1 is larger than 90 degrees, the upper liquid inlet pipe 21 or the gas phase inlet and outlet pipe 19 is selected to drain liquid according to the situation, and the liquid is quickly discharged from the liquid inlet and outlet port of the operation box 16 through the fire hose.
The first servo motor 36 and the second servo motor 68 are respectively and electrically connected with the controller, and through remote control, the gas phase state and the liquid phase state of the tank body under various three-dimensional space postures such as 0-360 degrees, forward tilting and backward tilting of the tank body are truly simulated, and the abnormal conditions such as rollover, upward tilting and the like are fully and truly performed. The liquid level meter gas phase pipeline 18, the gas phase inlet and outlet pipeline 19, the full-measuring pipeline 20, the upper liquid inlet pipeline 21, the liquid phase inlet and outlet pipeline 22 and the pressurizing pipeline 23 are provided with branch pipelines and valves on the branch pipelines, the gas phase leakage simulation and the liquid phase leakage simulation can be realized by controlling the opening of the valves, the pressurizing gas cylinder 67 is connected with a gas phase inlet and outlet in the operation box 16 and is provided with a 0.1MPa pressurizing device, the compartment gas pressure is 0.1MPa, abnormal states such as spray liquid, spray gas and safety valve jump can be simulated, the spray liquid and the spray gas are realized by controlling the opening of the valves on the liquid level meter gas phase pipeline 18, the gas phase inlet and outlet pipeline 19, the full-measuring pipeline 20, the upper liquid inlet pipeline 21, the liquid phase inlet and outlet pipeline 22 and the pressurizing pipeline 23, the safety valve jump pressure is required to be lower than 0.1MPA in advance, and when the given pressure is 0.1MPa, the safety valve is automatically tripped.
In addition, the outside of the tank body 1 is also provided with an electric control operation box. The bottom of the tank body 1 is provided with an electrostatic conduction grounding belt which is contacted with the ground to conduct out generated static electricity at any time. The fire control teaching equipment is equipped with the rail guard outside, be equipped with infrared detection device in the rail guard for detect inside personnel's quantity, prevent that equipment from breaking down and cause personnel to be injured.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present invention.
Claims (5)
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| CN2020100516773 | 2020-01-17 | ||
| CN202010051677 | 2020-01-17 |
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| CN202010575728.2A Active CN111681522B (en) | 2020-01-17 | 2020-06-22 | A fire fighting teaching equipment for CNG transport semi-trailer |
| CN202010574437.1A Active CN111653177B (en) | 2020-01-17 | 2020-06-22 | A fire fighting teaching equipment for LPG transport semi-trailer |
| CN202021167440.3U Active CN212570153U (en) | 2020-01-17 | 2020-06-22 | CNG transportation semitrailer fire control teaching equipment |
| CN202010574441.8A Active CN111653143B (en) | 2020-01-17 | 2020-06-22 | A fire-fighting teaching device for LNG transport semi-trailer |
| CN202021169113.1U Active CN212587038U (en) | 2020-01-17 | 2020-06-22 | LNG transport semitrailer fire control teaching equipment |
| CN202021169115.0U Active CN212587080U (en) | 2020-01-17 | 2020-06-22 | LPG transportation semitrailer fire control teaching equipment |
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| CN202010575728.2A Active CN111681522B (en) | 2020-01-17 | 2020-06-22 | A fire fighting teaching equipment for CNG transport semi-trailer |
| CN202010574437.1A Active CN111653177B (en) | 2020-01-17 | 2020-06-22 | A fire fighting teaching equipment for LPG transport semi-trailer |
| CN202021167440.3U Active CN212570153U (en) | 2020-01-17 | 2020-06-22 | CNG transportation semitrailer fire control teaching equipment |
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| CN202021169115.0U Active CN212587080U (en) | 2020-01-17 | 2020-06-22 | LPG transportation semitrailer fire control teaching equipment |
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| CN111681522B (en) * | 2020-01-17 | 2024-08-27 | 石家庄安瑞科气体机械有限公司 | A fire fighting teaching equipment for CNG transport semi-trailer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN212587080U (en) | 2021-02-23 |
| CN111681522A (en) | 2020-09-18 |
| CN212570153U (en) | 2021-02-19 |
| CN212587038U (en) | 2021-02-23 |
| CN111653143A (en) | 2020-09-11 |
| CN111681522B (en) | 2024-08-27 |
| CN111653177A (en) | 2020-09-11 |
| CN111653177B (en) | 2025-02-07 |
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