CN220096573U

CN220096573U - Liquid collecting system for leakage of liquid cargo tank

Info

Publication number: CN220096573U
Application number: CN202321692898.4U
Authority: CN
Inventors: 金永建; 朱嘉凯; 沈斌斌; 纪正华
Original assignee: Jiaxing Zhebei Shipbuilding Co ltd
Current assignee: Jiaxing Zhebei Shipbuilding Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-28
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a liquid collecting system for leakage of a liquid cargo tank, a plurality of supporting plates divide a space between a cargo tank bottom plate and a ship bottom plate into a plurality of liquid storage tanks, a collecting device is arranged in each liquid storage tank, each liquid storage tank is provided with a buffer hole, each collecting device comprises a shell, an electromagnetic valve and a pipeline III, the electromagnetic valve is connected with the pipeline I and the pipeline III, the lower end of the pipeline III is close to the ship bottom plate, a floating ball is arranged in the shell, the lower end of the shell is open, the floating ball can move upwards under the action of buoyancy, the floating ball moves to the highest point to trigger the electromagnetic valve to open, a pump body is simultaneously opened, and the pipeline III sucks liquid in the liquid storage tank to the collecting tank.

Description

Liquid collecting system for leakage of liquid cargo tank

Technical Field

The utility model relates to the technical field of ships, in particular to a liquid cargo tank leakage liquid collection system.

Background

The chemical ship is a liquid cargo ship for carrying chemical substances, the liquid cargo tanks of the existing liquid chemical ship are mostly double-layer bottoms, when the chemical substances in the liquid cargo tanks leak, the leaked chemical substances can remain between two layers of bottom plates to prevent the chemical substances from flowing into a running river and sea, but the chemical substances leaked between the two layers of bottom plates are inconvenient to collect and clean, some chemical substances have volatility, the chemical substances cannot be timely treated and volatilized in the air to cause harm to crews, and the leakage point positions of the liquid cargo tanks cannot be accurately known; there is a need for a solution to the above-mentioned problems.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a liquid collecting system for leakage of a liquid cargo tank aiming at the technical requirements.

In order to achieve the above purpose, the utility model provides a liquid cargo tank leakage liquid collecting system, which comprises a plurality of supporting plates, a plurality of collecting devices, a plurality of first pipelines, a pump body and a collecting tank, wherein the supporting plates are arranged between a tank bottom plate and a ship bottom plate, the supporting plates are distributed in a net shape, the supporting plates divide the space between the tank bottom plate and the ship bottom plate into a plurality of liquid storage tanks, each liquid storage tank is internally provided with one collecting device, each supporting plate is provided with a buffer hole, all the liquid storage tanks are communicated, each collecting device comprises a shell, an electromagnetic valve and a third pipeline, the first pipeline and the third pipeline are connected, the lower end of the third pipeline is close to the ship bottom plate, a floating ball is arranged in the shell, the lower end of the shell is opened, the floating ball can move upwards due to buoyancy, the floating ball moves to the highest point to trigger the electromagnetic valve to be opened, the third pipeline is communicated with the first pipeline, the first pipeline is connected with the collecting tank through the pump body, and when the electromagnetic valve is opened, the pump body is simultaneously opened, and the liquid in the liquid storage tank is sucked into the collecting tank.

Further, the shell comprises a top plate and a bottom plate, the bottom plate is higher than the opening at the lower end of the shell, the floating ball is positioned between the top plate and the bottom plate, and the bottom plate is provided with a through hole.

Further, the lower end face of the top plate is provided with an electromagnet I, the upper end face of the bottom plate is provided with an electromagnet II, the lower end face of the bottom plate is provided with a detection head, the upper end face of the floating ball is provided with a metal sheet I, the lower end face of the floating ball is provided with a metal sheet II, the detection head does not detect liquid, the floating ball is in a first state, the electromagnet is electrified to adsorb the metal sheet I, the detection head detects liquid, the floating ball is in a second state, the electromagnet II is powered off, the electromagnet I is electrified, the floating ball moves between the top plate and the bottom plate, and when the electromagnet I adsorbs the metal sheet I, the electromagnetic valve is opened.

Further, a guide rod is arranged between the top plate and the bottom plate, the guide rod penetrates through the floating ball, and the floating ball moves along the direction of the guide rod.

Further, the shell is coated outside the electromagnetic valve.

Further, the lowest point of the detecting head is higher than the lowest end of the pipeline III.

Further, when the floating ball is located at the highest point, the upper end face of the floating ball is lower than the lowest edge of the buffering hole.

Further, the first pipelines are distributed along the width direction of the ship bottom plate, the first pipelines penetrate through the buffer holes in the length direction of the ship bottom plate, and each first pipeline is connected with the collecting device in all the passing liquid storage tanks.

Further, the intelligent control system comprises a second pipeline and a main control platform, wherein a plurality of second pipelines are distributed along the width direction of the ship bottom plate, the second pipelines penetrate through a plurality of buffer holes in the length direction of the ship bottom plate, each second pipeline is connected with all collection devices in the passing liquid storage tanks, and all collection devices are connected with the main control platform.

Compared with the related art, the liquid collecting system for the leakage of the cargo tank has the following beneficial effects:

1. according to the utility model, the floating ball in the collecting device senses the leakage condition of the liquid in the liquid storage tank, when the liquid leakage condition occurs, the detecting head senses the liquid, the floating ball is unlocked at the moment, floats upwards along with the height of the liquid level in the liquid storage tank, the floating ball is adsorbed by the electromagnet when approaching the top plate, the electromagnetic valve and the pump body are started at the moment, the liquid in the liquid storage tank is pumped out to the collecting tank, and the collecting device can be monitored and automatically controlled to collect the leaked liquid.

2. According to the utility model, the space between the bottom plate of the tank and the bottom plate of the ship is divided into a plurality of liquid storage tanks through a plurality of supporting plates, and each liquid storage tank is internally provided with a collecting device, so that when the operation of the collecting device is triggered, the leakage position of the liquid cargo tank can be accurately positioned through the corresponding collecting device.

Drawings

Fig. 1 is a schematic diagram of the present embodiment.

Fig. 2 is an enlarged view at a in fig. one.

Fig. 3 is a schematic diagram of a first pipeline and a second pipeline according to the present embodiment.

Reference numerals in the drawings: 1. a cargo tank; 11. a bilge plate; 12. a bottom board of the ship; 13. a support plate; 131. a liquid storage tank; 14. buffering holes; 2. a collecting device; 21. a housing; 22. an electromagnetic valve; 23. a top plate; 231. an electromagnet I; 24. a floating ball; 241. a first metal sheet; 242. a second metal sheet; 25. a guide rod; 26. a bottom plate; 261. an electromagnet II; 262. a through hole; 27. a probe; 28. a third pipeline; 3. a first pipeline; 4. a second pipeline; 5. a main control station; 6. a pump body; 7. and a collection chamber.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

As shown in fig. 1, 2 and 3, this embodiment discloses a liquid cargo tank leakage liquid collecting system, which comprises a plurality of support plates 13, a plurality of collecting devices 2, a plurality of first pipelines 3, a pump body 6 and a collecting tank 7, wherein a plurality of support plates 13 are installed between a tank bottom plate 11 and a ship bottom plate 12, the support plates 13 are used for supporting the tank bottom plate 11, the plurality of support plates 13 are in net-shaped distribution, the space between the tank bottom plate 11 and the ship bottom plate 12 is divided into a plurality of liquid storage tanks 131 by the plurality of support plates 13, each liquid storage tank 131 is an independent area, liquid is prevented from flowing around when the liquid cargo tank 1 leaks, a collecting device 2 is installed in each liquid storage tank 131, the collecting device 2 in each liquid storage tank 131 can collect the liquid in the corresponding liquid storage tank 131, the support plates 13 are provided with buffer holes 14, and all the liquid storage tanks 131 are communicated and can be used for passing through maintenance staff during air circulation and ship body maintenance.

The first pipelines 3 are distributed along the width direction of the ship bottom plate 12, the first pipelines 3 penetrate through the buffer holes 14 in the length direction of the ship bottom plate 12, each first pipeline 3 is connected with the collecting device 2 in all the passing liquid storage tanks 131, the first pipelines 3 are connected with the pump body 6, all the collecting devices 2 can suck liquid through the pump body 6, and the pump body 6 only sucks the opened collecting device 2 during suction.

The two pipelines 4 are distributed along the width direction of the ship bottom plate 12, the two pipelines 4 penetrate through the buffer holes 14 in the length direction of the ship bottom plate 12, each two pipeline 4 is connected with the collecting device 2 in all passing liquid storage tanks 131, all the collecting devices 2 are connected with the main control desk 5, the two pipelines 4 are communicated with the part above the top plate 23 of the collecting device 2, the part above the top plate 23 further comprises the electromagnetic valve 22, the two pipelines 4 serve as arrangement pipelines of wires and signal wires, each collecting device 2 is provided with independent signal source display on the main control desk 5, and the collecting devices 2 in the liquid storage tanks 131 where the starting is can be accurately positioned, so that the leakage position of the tank bottom plate 11 is accurately known, and the positioning and the timely maintenance are convenient.

The collecting device 2 comprises a shell 21, an electromagnetic valve 22 and a pipeline III 28, wherein the electromagnetic valve 22 is connected with the pipeline I3 and the pipeline III 28, the lower end of the pipeline III 28 is close to the ship bottom plate 12, the shell 21 is coated outside the electromagnetic valve 22, the electromagnetic valve 22 plays a role in protecting the electromagnetic valve 22, one end of the electromagnetic valve 22 connected with the pipeline I1 extends out of the shell 21, the shell 21 comprises a top plate 23 and a bottom plate 26, the bottom plate 26 is higher than an opening at the lower end of the shell 21, a floating ball 24 is positioned between the top plate 23 and the bottom plate 26, the bottom plate 26 is provided with a through hole 262, liquid in a liquid storage tank 131 enters between the top plate 23 and the bottom plate 26 through the through hole 262, the liquid level inside the shell 21 is balanced, the floating ball 24 is hollow and is upwards moved under the influence of buoyancy, a guide rod 25 is arranged between the top plate 23 and the bottom plate 26, the guide rod 25 penetrates through the floating ball 24, the floating ball 24 can move along the direction of the guide rod 25, and the floating ball 24 can shake in the navigation process, the liquid level in the liquid storage tank 131 can float up and down along with the upper and lower floating ball 24 is prevented from moving greatly by the top plate 23 and bottom plate 26, and the false starting of the collecting device 2 is caused.

The lower end face of the top plate 23 is provided with an electromagnet I231, the upper end face of the bottom plate 26 is provided with an electromagnet II 261, the lower end face of the bottom plate 26 is provided with a detection head 27, when the third pipeline 28 sucks liquid in the liquid storage tank 131, the detection head 27 is guaranteed not to be contacted with the liquid, the upper end face of the floating ball 24 is provided with a metal sheet I241, so that the lowest point of the detection head 27 is higher than the lowest end of the third pipeline 28, the lower end face of the floating ball 24 is provided with a metal sheet II 242, when the detection head 27 does not detect the liquid, the floating ball 24 is in a first state, the electromagnet II 261 is electrified to absorb the metal sheet I241, when the liquid in the liquid storage tank 131 does not leak, the electromagnet II 261 can absorb the floating ball 24, the floating ball 24 is fixed to prevent the floating ball 24 from shaking up and down, the collecting device 2 is started by mistake, when the detection head 27 detects the liquid, the electromagnet II 261 is powered off, the electromagnet I231 is electrified, and the main control console 5 receives signals, for example: the main control desk 5 lights up a yellow light corresponding to the signal lamp to indicate that the liquid tank 131 is leaked, at this time, the floating ball 24 is in a second state, the floating ball 24 can move between the top plate 23 and the bottom plate 26, when a large amount of liquid is leaked, the floating ball 24 rises along with the liquid level, the floating ball 24 is close to the electromagnet one 231, when the electromagnet one 231 adsorbs the metal sheet one 241, at this time, the floating ball 24 is located at the highest point to trigger the electromagnetic valve 22 to be opened, the pipeline three 28 is communicated with the pipeline one 3, when the electromagnetic valve 22 is opened, the pump body 6 is simultaneously opened, the pipeline three 28 sucks the liquid in the liquid tank 131 to the collecting tank 7, and the main control desk 5 receives signals, for example: the master control stand 5 lights up with a red light corresponding to the signal lamp to indicate that a large amount of liquid leakage occurs in the liquid storage tank 131.

More preferably, when the floating ball 24 is located at the highest point, the upper end surface of the floating ball 24 is lower than the lowest edge of the buffer hole 14, and since the liquid in the tank 131 is unstable along with the sloshing liquid level of the ship during the navigation process, the liquid level in the tank 131 needs to be always lower than the lower edge of the buffer hole 14, so as to prevent the liquid in the leaked tank 131 from entering the adjacent tank 131, and thus the collecting device 2 of the adjacent tank 131 is started erroneously, the floating ball 24 in this embodiment will be magnetically adsorbed when approaching the top plate 23, and the collecting device 2 starts sucking the liquid, so as to prevent the liquid from flowing excessively to the adjacent tank 131.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cargo tank leakage liquid collecting system which characterized in that: including a plurality of backup pads (13), a plurality of collection device (2), a plurality of pipeline one (3), the pump body (6) and collect cabin (7), a plurality of backup pad (13) are installed between cabin bottom plate (11) and ship bottom plate (12), a plurality of backup pad (13) are netted distribution, a plurality of backup pad (13) are separated the space between cabin bottom plate (11) and ship bottom plate (12) into a plurality of liquid storage cabin (131), every install one collection device (2) in liquid storage cabin (131), backup pad (13) are equipped with buffer hole (14), all liquid storage cabin (131) intercommunication, collection device (2) include casing (21), solenoid valve (22) and pipeline three (28), solenoid valve (22) connect pipeline one (3) and pipeline three (28), pipeline three (28) lower extreme is close to ship bottom plate (12), casing (21) internally mounted floater (24) lower extreme opening, floater (24) buoyancy can upwards move, floater (24) are triggered to the highest point (3) and are received pipeline three (28) and are connected through pipeline one pump body (6), when the electromagnetic valve (22) is opened, the pump body (6) is opened at the same time, and the third pipeline (28) sucks the liquid in the liquid storage tank (131) to the collecting tank (7).

2. The cargo tank leakage liquid collection system according to claim 1, wherein: the shell (21) comprises a top plate (23) and a bottom plate (26), the bottom plate (26) is higher than an opening at the lower end of the shell (21), the floating ball (24) is located between the top plate (23) and the bottom plate (26), and the bottom plate (26) is provided with a through hole (262).

3. The cargo tank leakage liquid collection system according to claim 2, wherein: the electromagnetic valve is characterized in that an electromagnet I (231) is arranged on the lower end face of the top plate (23), an electromagnet II (261) is arranged on the upper end face of the bottom plate (26), a detection head (27) is arranged on the lower end face of the bottom plate (26), a metal sheet I (241) is arranged on the upper end face of the floating ball (24), a metal sheet II (242) is arranged on the lower end face of the floating ball (24), when the detection head (27) does not detect liquid, the floating ball (24) is in a first state, the electromagnet II (261) is electrified to adsorb the metal sheet I (241), the detection head (27) detects liquid, the electromagnet II (261) is powered off, the electromagnet I (231) is electrified, the floating ball (24) is in a second state, the floating ball (24) moves between the top plate (23) and the bottom plate (26), and when the electromagnet I (231) adsorbs the metal sheet I (241), the electromagnetic valve (22) is opened.

4. The cargo tank leakage liquid collection system according to claim 2, wherein: a guide rod (25) is arranged between the top plate (23) and the bottom plate (26), the guide rod (25) penetrates through the floating ball (24), and the floating ball (24) can move along the direction of the guide rod (25).

5. The cargo tank leakage liquid collection system according to claim 1, wherein: the shell (21) is coated outside the electromagnetic valve (22).

6. A cargo tank leakage liquid collection system according to claim 3 wherein: the lowest point of the detecting head (27) is higher than the lowest end of the pipeline III (28).

7. The cargo tank leakage liquid collection system according to claim 1, wherein: when the floating ball (24) is positioned at the highest point, the upper end surface of the floating ball (24) is lower than the lowest edge of the buffer hole (14).

8. The cargo tank leakage liquid collection system according to claim 1, wherein: the first pipelines (3) are distributed along the width direction of the ship bottom plate (12), the first pipelines (3) penetrate through a plurality of buffer holes (14) passing through along the length direction of the ship bottom plate (12), and each first pipeline (3) is connected with a collecting device (2) in all passing liquid storage tanks (131).

9. The cargo tank leakage liquid collection system according to claim 1, wherein: including a plurality of pipeline two (4) and master control platform (5), a plurality of pipeline two (4) are along ship bottom plate (12) width direction distribution, pipeline two (4) run through a plurality of buffer holes (14) of process along ship bottom plate (12) length direction, every collection device (2) in all passing through liquid storage tank (131) are connected to pipeline two (4), all master control platform (5) are connected to collection device (2).