CN221237664U

CN221237664U - Marine anti-leakage LNG gas tank

Info

Publication number: CN221237664U
Application number: CN202323458991.1U
Authority: CN
Inventors: 谢伟
Original assignee: Nantong Huier Maritime Service Co ltd
Current assignee: Nantong Huier Maritime Service Co ltd
Priority date: 2023-12-18
Filing date: 2023-12-18
Publication date: 2024-06-28
Anticipated expiration: 2033-12-18

Abstract

The utility model discloses a marine anti-leakage LNG tank, and belongs to the technical field of ship engineering. Including unable adjustment base, unable adjustment base top is provided with the rubber pad, supporting seat and cooling supporting seat top are provided with the gas holder, lead screw motor output is connected with the lead screw, the water storage chamber has been seted up to inside in the gas holder left side, usable sprinkler head washes the inner wall of gas holder, utilize the lead screw motor to drive the lead screw and rotate when washing, make its movable plate that carries clean rubber sleeve clean the gas holder inner wall, the effectual clean efficiency that promotes, avoid long-term use because impurity and deposit influence the purity and the quality of LNG, still usable semiconductor cooling plate cools off the water source of water storage intracavity portion, the cooling chamber is carried into with the cooling water to the retooling pump, thereby carry out the cooling down to the gas holder inner wall circulation, the pressure of usable pressure sensor to the gas holder inside monitors simultaneously, when discovery pressure is unusual, then the accessible sound alarm lamp alerts.

Description

Marine anti-leakage LNG gas tank

Technical Field

The utility model relates to the technical field of ship engineering, in particular to a marine anti-leakage LNG tank.

Background

LNG is an abbreviation of liquefied natural gas, and liquefied natural gas is natural gas which is converted into a liquid state by cooling and compressing the natural gas, and the volume of the natural gas is greatly reduced in the liquid state, so that the natural gas is convenient to store and transport.

The LNG gas pitcher is the device that is used for storing liquefied natural gas, will use the LNG gas pitcher when transporting LNG, conveniently stores the transportation to it.

The existing LNG tanks still have the following problems: when the natural gas is transported, the natural gas is required to be stored in the gas storage tank, but when the natural gas is stored in the liquid storage tank for a long time, more impurities and sediments are easily accumulated in the gas storage tank after long-term use, which can certainly pollute LNG and influence the quality and purity of the LNG, the existing cleaning mode is complicated, manual cleaning is mostly used, the cleaning cost is too high, and the high labor intensity is brought to staff;

And when current LNG gas pitcher is storing the transportation, not only warning effect is poor, and its inside thermal-insulated performance is also not ideal, when contacting the surface of higher temperature, can evaporate promptly and become natural gas, produces vapor pressure, if the inner wall temperature of LNG gas pitcher is too high, just very easily leads to evaporation and the pressure increase of LNG to increase the risk of leakage.

In view of this, we propose a marine leak-proof LNG tank.

Disclosure of utility model

1. Technical problem to be solved

The utility model aims to provide a marine anti-leakage LNG tank, which aims to solve the problems of troublesome cleaning, poor heat insulation performance and unsatisfactory warning effect in the background technology.

2. Technical proposal

The marine anti-leakage LNG gas tank comprises a fixed base, wherein a rubber pad is arranged at the top of the fixed base, and a supporting seat and a cooling supporting seat are arranged at the top of the rubber pad;

The air storage tank is arranged at the tops of the supporting seat and the cooling supporting seat, a cooling cavity and a heat insulation cavity are formed in the outer wall of the air storage tank, a drain valve and a water inlet valve are arranged on the outer wall in front of the air storage tank, an air pipe and a sound alarm lamp are arranged on the side wall of the air storage tank, a pressure sensor is arranged on the inner wall of the air storage tank, and the pressure sensor and the sound alarm lamp are electrically connected with the control box;

The side wall of the air storage tank is also provided with a screw motor, the output end of the screw motor is connected with a screw, and the outer wall of the screw is sleeved with a moving plate;

The water storage cavity is formed in the left side of the air storage tank, a metal pore plate is arranged on the inner wall of the water storage cavity, a circulating pump is arranged at the top of the metal pore plate, and the output end of the circulating pump is connected with a water pipe.

Preferably, the inner wall of the cooling support seat is provided with a semiconductor refrigeration plate, the bottom of the semiconductor refrigeration plate is provided with a heat dissipation plate, and the outer wall in front of the cooling support seat is provided with a refrigeration controller electrically connected with the semiconductor refrigeration plate.

Preferably, the inner walls of the two sides inside the air storage tank are respectively provided with a first infrared sensor and a second infrared sensor, and the first infrared sensor, the second infrared sensor and the screw motor are electrically connected with the control box.

Preferably, the groove body is arranged on the side wall of the movable plate, and the rubber cleaning sleeve is fixedly arranged on the circumferential outer wall of the movable plate by utilizing screws.

Preferably, a sprinkler head is arranged on the inner wall of the left side of the inside of the air storage tank, and a water suction pump is arranged on the side wall of the sprinkler head.

Preferably, the output end of the water suction pump is connected with a water suction pipe, and the water suction pipe and the water suction pump extend into the water storage cavity.

Preferably, the water delivery pipe extends to the inner wall of the cooling cavity, and the left inner wall of the cooling cavity is provided with a water outlet.

Preferably, a heat insulation sleeve is sleeved in the heat insulation cavity, and the heat insulation sleeve is made of glass fiber materials.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: when the inside of the air storage tank needs to be cleaned, a plurality of drain valves can be opened, and the water source in the water storage cavity is sucked by utilizing the water suction pump and the water suction pipe, so that the inner wall of the air storage tank is flushed by utilizing the sprinkler head, and the lead screw motor is utilized to drive the lead screw to rotate while flushing, so that the movable plate carrying the cleaning rubber sleeve is used for cleaning the inner wall of the air storage tank, the inner wall of the air storage tank is prevented from being cleaned manually, the cleaning efficiency of the air storage tank is effectively improved, and the influence of impurities and sediments on the purity and quality of LNG in long-term use is avoided;

Secondly at the in-process of transportation or use, the usable semiconductor cooling plate cools off the water source of retaining intracavity portion, the cooling chamber is carried into with cooling water to the cooling of cooling water to the gas holder inner wall circulates the cooling, the water after the cooling then flows into the retaining intracavity portion through the outlet again and cools off, better cooperation insulating sheath reduces the temperature of gas holder inner wall, reduce the evaporation and the pressure of LNG, thereby reduce the risk of leaking, and accessible pressure sensor monitors the inside pressure of gas holder, when discovery pressure is unusual, then accessible sound alarm lamp warns, avoid when leaking or pressure is too high, personnel can't in time discover, and cause the potential safety hazard.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a cooling support structure according to the present utility model;

FIG. 3 is a schematic view of a gas tank according to the present utility model;

FIG. 4 is a schematic diagram of a moving plate structure according to the present utility model;

The reference numerals in the figures illustrate: 100. a fixed base; 110. a rubber pad; 120. a support base; 130. cooling the supporting seat; 131. a refrigeration controller; 132. a semiconductor refrigeration plate; 133. a heat dissipation plate; 200. a gas storage tank; 201. a cooling chamber; 202. a heat insulating chamber; 203. a heat insulating sleeve; 210. a gas pipe; 220. a sound alarm lamp; 230. a pressure sensor; 240. an infrared sensor I; 241. an infrared sensor II; 250. a drain valve; 260. a spray head; 261. a water suction pump; 262. a water suction pipe; 270. a control box; 280. a water inlet valve; 300. a screw motor; 310. a screw rod; 320. a moving plate; 321. a tank body; 322. a rubber cleaning sleeve; 400. a water storage cavity; 410. a metal orifice plate; 420. a circulation pump; 430. a water pipe.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

The marine anti-leakage LNG gas tank comprises a fixed base 100, wherein a rubber pad 110 is arranged at the top of the fixed base 100, and a supporting seat 120 and a cooling supporting seat 130 are arranged at the top of the rubber pad 110;

In some embodiments: the air tank 200 can be buffered and damped to a certain extent by the rubber pad 110.

The top of the supporting seat 120 and the cooling supporting seat 130 are provided with an air storage tank 200, a cooling cavity 201 and a heat insulation cavity 202 are formed in the outer wall of the air storage tank 200, and a drain valve 250 and a water inlet valve 280 are arranged on the outer wall in front of the air storage tank 200;

In some embodiments: the water inlet valve 280 is arranged at a corresponding position of the water storage cavity 400, so that water source can be conveniently supplemented.

The side wall of the air storage tank 200 is provided with an air pipe 210 and a sound alarm lamp 220, the inner wall of the air storage tank 200 is provided with a pressure sensor 230, and the pressure sensor 230 and the sound alarm lamp 220 are electrically connected with a control box 270;

In some embodiments: the pressure sensor 230 is typically composed of a sensing element, which may be a piezoresistive, capacitive or electromagnetic sensor, a signal processing circuit, and a connection line, for detecting pressure changes. The signal processing circuit converts the output signal of the sensing element into a standard electric signal and transmits the standard electric signal to the control box;

The sound warning lamp 220 is generally composed of a lamp body for emitting a strong light signal to cause visual warning, a sound generator for generating a high-frequency sound signal to cause audible warning, and a control circuit for receiving a signal of the control box and controlling the operation of the lamp body and the sound generator;

The control box 270 is a core part of an alarm system and is used for receiving and processing signals of a sensor and controlling the operation of an acoustic alarm lamp, when the control box 270 receives alarm signals of the pressure sensor 230, the operation of the acoustic alarm lamp 220 is triggered.

The side wall of the air storage tank 200 is also provided with a screw motor 300, the output end of the screw motor 300 is connected with a screw 310, the outer wall of the screw 310 is sleeved with a moving plate 320, and the screw motor 300 is conveniently utilized to drive the moving plate 320 to move, so that the inner wall of the air storage tank 200 is better matched with a rubber cleaning sleeve 322 to clean;

The water storage cavity 400 is formed in the left side of the air storage tank 200, the metal pore plate 410 is arranged on the inner wall of the water storage cavity 400, the circulating pump 420 is arranged at the top of the metal pore plate 410, the output end of the circulating pump 420 is connected with the water conveying pipe 430, the inner wall of the air storage tank 200 is conveniently cooled in a circulating mode by the aid of the circulating pump 420, and the influence of high temperature on liquid gas in the air storage tank is avoided.

Specifically, the inner wall of the cooling support seat 130 is provided with a semiconductor refrigeration plate 132, the bottom of the semiconductor refrigeration plate 132 is provided with a heat dissipation plate 133, and the outer wall in front of the cooling support seat 130 is provided with a refrigeration controller 131 electrically connected with the semiconductor refrigeration plate 132.

In some embodiments: the semiconductor refrigeration plate 132 is typically a thermocouple assembly composed of two different types of semiconductor materials (N-type and P-type). The two materials are connected by metal leads and encapsulated in a housing of insulating material. The two sides of the refrigeration plate are respectively provided with a hot end and a cold end, the hot end is usually connected with a radiator, the cold end is used for cooling, and the heat dissipation end can dissipate heat by using a heat dissipation plate 133;

The refrigeration controller 131 is generally composed of a microprocessor, a temperature sensor, a current control circuit, a display screen and the like, wherein the microprocessor is used for receiving and processing signals of the sensor and controlling the output of the current control circuit, the temperature sensor is used for monitoring the temperature of the refrigeration plate and feeding the temperature back to the microprocessor, the current control circuit is used for controlling the current of the semiconductor refrigeration plate so as to adjust the refrigeration effect, the display screen is used for displaying the current temperature and control parameters, the refrigeration device belongs to the prior art, and water sources are conveniently cooled, so that the water sources can better cool the inner wall of the air storage tank 200 in a circulating way.

Further, the first infrared sensor 240 and the second infrared sensor 241 are respectively disposed on the inner walls of the two sides of the inside of the air storage tank 200, and the first infrared sensor 240, the second infrared sensor 241 and the screw motor 300 are electrically connected with the control box 270.

In some embodiments: the first infrared sensor 240 and the second infrared sensor 241 can detect surrounding infrared signals, when an object enters the detection range of the sensor, the first infrared sensor 240 or the second infrared sensor 241 can send out signals, and the control box 270 determines to control the rotation of the lead screw motor 300 according to the preset control logic judgment after receiving the signals, thereby belonging to the prior art, facilitating the repeated movement and cleaning of the inner wall of the air storage tank 200.

Still further, the cell body 321 has been seted up to movable plate 320 lateral wall, and movable plate 320 circumference outer wall utilizes screw fixed mounting to have rubber cleaning sleeve 322, conveniently utilizes rubber cleaning sleeve 322 to clean gas holder 200 inner wall.

Furthermore, the inner wall of the left side of the air storage tank 200 is provided with a sprinkler head 260, and the side wall of the sprinkler head 260 is provided with a water suction pump 261, so that water can be conveniently sprayed on the inner wall of the air storage tank 200.

In some embodiments: four spraying openings are arranged on the side wall of the spraying head 260, and the inner walls of the periphery of the air storage tank 200 are correspondingly flushed.

It should be noted that, the output end of the water suction pump 261 is connected with a water suction pipe 262, and the water suction pipe 262 and the water suction pump 261 extend inside the water storage cavity 400.

It is noted that the water pipe 430 extends to the inner wall of the cooling cavity 201, and the inner wall of the left side of the cooling cavity 201 is provided with a water outlet, so that the cooling water can flow out conveniently, and the cooling water can be cooled down in a circulating way by matching with the circulating pump 420.

In addition, the heat insulation sleeve 203 is sleeved in the heat insulation cavity 202, and the heat insulation sleeve 203 is made of glass fiber, so that the inside of the air storage tank 200 can be kept stably cooled.

In some embodiments: the device can use external conventional power supply for power supply.

In addition, the present utility model relates to circuits, electronic components and modules in the prior art, and those skilled in the art can fully implement the present utility model, and needless to say, the protection of the present utility model does not relate to improvement of the internal structure and method.

Working principle: firstly, when the inside of the air storage tank 200 needs to be cleaned, a plurality of drain valves 250 can be opened, and the water source inside the water storage cavity 400 is sucked by utilizing the water suction pump 261 and the water suction pipe 262, so that the water source inside the water storage cavity 400 is flushed by utilizing the sprinkler head 260, the lead screw 310 is driven to rotate by utilizing the lead screw motor 300 while flushing, the inner wall of the air storage tank is cleaned by utilizing the movable plate 320 carrying the cleaning rubber sleeve 322, secondly, in the transportation or use process, the semiconductor cooling plate 132 can be utilized to cool the water source inside the water storage cavity 400, the cooling water is conveyed into the cooling cavity 201 by utilizing the circulating pump 420, thereby circularly cooling the inner wall of the air storage tank 200, the cooled water flows into the water storage cavity 400 again through the water outlet, the temperature of the inner wall of the air storage tank 200 is reduced by utilizing the better heat insulation sleeve 203, the evaporation and the pressure of LNG are reduced, the risk of leakage is reduced, the pressure inside the air storage tank 200 is monitored by utilizing the pressure sensor 230, and when the pressure is abnormal, people can not find out timely through the sound warning lamp, and potential safety hazards are avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a marine leak protection LNG gas pitcher, includes unable adjustment base (100), its characterized in that: a rubber pad (110) is arranged at the top of the fixed base (100), and a supporting seat (120) and a cooling supporting seat (130) are arranged at the top of the rubber pad (110);

The cooling device comprises a gas storage tank (200), wherein the top of the gas storage tank (120) and the top of a cooling support seat (130) are provided with the gas storage tank (200), a cooling cavity (201) and a heat insulation cavity (202) are formed in the outer wall of the gas storage tank (200), a drain valve (250) and a water inlet valve (280) are arranged on the outer wall in front of the gas storage tank (200), a gas pipe (210) and a sound alarm lamp (220) are arranged on the side wall of the gas storage tank (200), a pressure sensor (230) is arranged on the inner wall of the gas storage tank (200), and the pressure sensor (230) and the sound alarm lamp (220) are electrically connected with a control box (270);

The device comprises a screw motor (300), wherein the side wall of the air storage tank (200) is also provided with the screw motor (300), the output end of the screw motor (300) is connected with a screw (310), and the outer wall of the screw (310) is sleeved with a moving plate (320);

The water storage cavity (400), water storage cavity (400) has been seted up to gas holder (200) left side inside, water storage cavity (400) inner wall is provided with metal orifice plate (410), metal orifice plate (410) top is provided with circulating pump (420), circulating pump (420) output is connected with raceway (430).

2. The marine leak-proof LNG tank of claim 1, wherein: the cooling support seat (130) inner wall is provided with semiconductor refrigeration board (132), semiconductor refrigeration board (132) bottom is provided with heating panel (133), cooling support seat (130) the place ahead outer wall be provided with semiconductor refrigeration board (132) electric connection's refrigeration controller (131).

3. The marine leak-proof LNG tank of claim 2, wherein: the inner walls of two sides of the inside of the air storage tank (200) are respectively provided with a first infrared sensor (240) and a second infrared sensor (241), and the first infrared sensor (240), the second infrared sensor (241) and the screw motor (300) are electrically connected with the control box (270).

4. A marine leak-proof LNG tank according to claim 3, characterized in that: the side wall of the movable plate (320) is provided with a groove body (321), and the circumferential outer wall of the movable plate (320) is fixedly provided with a rubber cleaning sleeve (322) by utilizing screws.

5. The marine leak-proof LNG tank of claim 4, wherein: the inner wall of the left side inside the air storage tank (200) is provided with a spray head (260), and the side wall of the spray head (260) is provided with a water suction pump (261).

6. The marine leak-proof LNG tank of claim 5, wherein: the output end of the water suction pump (261) is connected with a water suction pipe (262), and the water suction pipe (262) and the water suction pump (261) extend into the water storage cavity (400).

7. The marine leak-proof LNG tank of claim 6, wherein: the water delivery pipe (430) extends to the inner wall of the cooling cavity (201), and a water outlet is formed in the inner wall of the left side of the cooling cavity (201).

8. The marine leak-proof LNG tank of claim 7, wherein: the heat insulation cavity (202) is internally sleeved with a heat insulation sleeve (203), and the heat insulation sleeve (203) is made of glass fiber materials.