CN210912845U - Boats and ships methyl alcohol cabin cabinet inerting system - Google Patents
Boats and ships methyl alcohol cabin cabinet inerting system Download PDFInfo
- Publication number
- CN210912845U CN210912845U CN201921777405.0U CN201921777405U CN210912845U CN 210912845 U CN210912845 U CN 210912845U CN 201921777405 U CN201921777405 U CN 201921777405U CN 210912845 U CN210912845 U CN 210912845U
- Authority
- CN
- China
- Prior art keywords
- methanol
- cabin
- oxygen concentration
- valve
- methyl alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model aims at providing a boats and ships methyl alcohol cabin cabinet inerting system, this system safe and reliable and operation management are simple, and it is including input module, methyl alcohol cabin and the output module that connects gradually, boats and ships methyl alcohol cabin cabinet inerting system still includes the nitrogen gas supply equipment, decompression check valve, solenoid valve that connect gradually and ends the check valve, the output that ends the check valve with methyl alcohol cabin intercommunication, the methyl alcohol under-deck be provided with solenoid valve electric connection's a oxygen concentration sensor works as when the oxygen concentration in the methyl alcohol under-deck is greater than the default a oxygen concentration sensor feedback signal of telecommunication makes the solenoid valve starts, be provided with the pressure vacuum valve on the methyl alcohol cabin. The utility model discloses be applied to inerting system's technical field.
Description
Technical Field
The utility model discloses be applied to the technical field of inerting system, in particular to boats and ships methyl alcohol cabin cabinet inerting system.
Background
On ships for transporting methanol or ships using methanol as a fuel for marine engines, due to the characteristics of low flash point, flammability, explosiveness and the like of methanol, a full safety precaution work must be done to prevent a tank containing methanol from exploding after entering air reaches a flammable concentration, and therefore, a methanol fuel tank needs to be inerted to prevent an increase in oxygen concentration from reaching a flammable interval.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a safe and reliable and simple operation management's boats and ships methyl alcohol cabin cabinet inerting system.
The utility model adopts the technical proposal that: the utility model discloses an input module, methyl alcohol cabin and output module that connect gradually, boats and ships methyl alcohol cabin cabinet inerting system still includes nitrogen gas supply equipment, decompression check valve, solenoid valve and the check valve that ends that connects gradually, the output that ends the check valve with methyl alcohol cabin intercommunication, the methyl alcohol under-deck be provided with solenoid valve electric connection's first oxygen concentration sensor works as when the oxygen concentration in the methyl alcohol under-deck is greater than the default first oxygen concentration sensor feedback signal of telecommunication makes the solenoid valve starts, be provided with the pressure vacuum valve on the methyl alcohol under-deck.
According to the scheme, when the pressure in the methanol cabin is reduced, the pressure vacuum valve can suck air to balance the pressure in the cabin, and the nitrogen supply device is arranged to provide inert gas to prevent the oxygen concentration from reaching the flammable limit. The first oxygen concentration sensor is arranged in the methanol cabin to detect the oxygen concentration, and when the concentration reaches a preset value, the electromagnetic valve is started to fill inert gas into the methanol cabin, balance the pressure in the methanol cabin and perform inerting. Automatic inerting is realized, manual operation is reduced, management is simpler, and meanwhile, safety and reliability can be still guaranteed when people are unattended through automatic detection.
Preferably, the nitrogen supply device is a nitrogen generator or a nitrogen cylinder.
According to the scheme, the nitrogen making machine is suitable for inerting the methanol tank of a large ship, and the nitrogen cylinder is suitable for being used by a small ship.
According to a preferable scheme, a second oxygen concentration sensor is further arranged in the methanol cabin, the preset value of the second oxygen concentration sensor is higher than that of the first oxygen concentration sensor, an acousto-optic alarm is arranged outside the methanol cabin, the second oxygen concentration sensor is electrically connected with the acousto-optic alarm, the ship methanol cabin cabinet inerting system further comprises a remote control stop valve, the output end of the nitrogen supply device is communicated with the remote control stop valve, the output end of the remote control stop valve is connected with a supply hose, the output end of the supply hose is provided with a first quick connector, and the input module and the output module are both provided with second quick connectors matched with the first quick connectors.
According to the scheme, the alarm when the oxygen concentration is too high is realized by arranging the second oxygen concentration sensor, the situation that the oxygen concentration in the methanol cabin is too high due to the fact that the first oxygen concentration sensor fails to start the electromagnetic valve is prevented from occurring, meanwhile, the remote control stop valve and the supply hose are arranged to realize manual nitrogen filling to reduce the oxygen concentration in the tank, and the safety of the inerting system is improved. Meanwhile, the manual nitrogen flushing is also applied to the initial use of the tank body, filling, cabin sweeping and pipeline inerting.
Further preferred scheme is, the input module includes the filling head, the filling head passes through the input pipeline with the methyl alcohol cabin communicates, the second quick-operation joint sets up between filling head and the methyl alcohol cabin.
According to the scheme, the second quick coupling is arranged at the input module to realize manual nitrogen charging inerting, and meanwhile, when the box body is used for the first time, filling, sweeping and pipeline inerting are carried out, the manual nitrogen charging is carried out to reduce the oxygen concentration in the pipeline system.
Preferably, the output module comprises an output supply valve and an output pipeline which are arranged on the methanol cabin, the second quick connector is arranged on the output pipeline, and a third oxygen concentration sensor is arranged in the output pipeline.
According to the scheme, the third oxygen concentration sensor is arranged in the output pipeline to detect the oxygen concentration in the output methanol, and when the oxygen concentration reaches a preset value, an electric signal is fed back to the electromagnetic valve to charge nitrogen.
Preferably, the output speed of the gas when the pressure vacuum valve is opened is 30 m/s.
According to the scheme, the gas sprayed at high speed can prevent flame from entering the methanol cabin.
Preferably, the vacuum end of the pressure vacuum valve is provided with a stainless steel fireproof net.
According to the scheme, the stainless steel fireproof net is arranged to prevent flame from entering the methanol cabin along with the air suction action of the pressure vacuum valve.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, in this embodiment, the utility model discloses an input module, methyl alcohol cabin 1 and the output module that connects gradually, boats and ships methyl alcohol cabin cabinet inerting system still includes nitrogen gas supply apparatus 2, decompression check valve 3, solenoid valve 4 that connect gradually and stop check valve 5, stop check valve 5's output with methyl alcohol cabin 1 intercommunication, be provided with in the methyl alcohol cabin 1 with 4 electric connection's of solenoid valve first oxygen concentration sensor 6 works as when the oxygen concentration in the methyl alcohol cabin 1 is greater than the default first oxygen concentration sensor 6 feedback electricity signal makes solenoid valve 4 starts, be provided with pressure vacuum valve 7 on the methyl alcohol cabin 1.
In the present embodiment, the nitrogen gas supply apparatus 2 is a nitrogen generator or a nitrogen gas cylinder.
In this embodiment, a second oxygen concentration sensor 8 is further disposed in the methanol tank 1, a preset value of the second oxygen concentration sensor 8 is higher than that of the first oxygen concentration sensor 6, an audible and visual alarm 9 is disposed outside the methanol tank 1, the second oxygen concentration sensor 8 is electrically connected to the audible and visual alarm 9, the ship methanol tank inerting system further includes a remote control stop valve 10, an output end of the nitrogen supply device 2 is communicated with the remote control stop valve 10, an output end of the remote control stop valve 10 is connected to a supply hose 11, an output end of the supply hose 11 is provided with a first quick coupling 12, and the input module and the output module are both provided with a second quick coupling 13 adapted to the first quick coupling 12.
In this embodiment, the input module comprises an injection head 14, the injection head 14 is communicated with the methanol tank 1 through an input pipeline, and the second quick coupling 13 is arranged between the injection head 14 and the methanol tank 1.
In this embodiment, the output module includes an output supply valve 15 and an output pipeline disposed on the methanol tank 1, the second quick connector 13 is disposed on the output pipeline, and a third oxygen concentration sensor is further disposed inside the output pipeline.
In this embodiment, the output speed of the gas when the pressure vacuum valve 7 is opened is 30 m/s.
In this embodiment, the vacuum end of the pressure vacuum valve 7 is provided with a stainless steel fireproof net.
The utility model discloses a theory of operation:
A. the pressure vacuum valve 7 sucks in outside air in the process of pumping out methanol from the methanol cabin 1, the decompression check valve 3 and the stop check valve 5 are opened in advance, when the first oxygen concentration sensor 6 or the third oxygen concentration sensor detects that the oxygen concentration is greater than or equal to 8%, an electric signal is fed back to the electromagnetic valve 4, the electromagnetic valve 4 is opened to enable nitrogen to be filled into the methanol cabin 1, air is sprayed out from the pressure vacuum valve 7, and the oxygen concentration in the methanol cabin 1 is reduced;
B. when the oxygen concentration is lower than 8%, the electromagnetic valve 4 is closed to stop nitrogen charging;
C. when the second oxygen concentration sensor 8 detects the oxygen concentration in the methanol cabin 1 is greater than or equal to 10%, the second oxygen concentration sensor 8 feeds back an electric signal to the sound-light alarm 9 to make the sound-light alarm 9 give an alarm, at the moment, the first oxygen concentration sensor 6 or the third oxygen concentration sensor fails to start the electromagnetic valve 4, the first quick coupling 12 is connected to the input module on the second quick coupling 13 by the manual work, the remote control stop valve 10 is opened to enable the methanol cabin 1 to enter from the input module, the oxygen concentration in the methanol cabin 1 is reduced by the same principle, the maintenance is carried out by a worker, and the remote control stop valve 10 is closed when the sound-light alarm 9 stops the alarm.
Claims (7)
1. The utility model provides a boats and ships methyl alcohol cabin cabinet inerting system, includes input module, methyl alcohol cabin (1) and the output module who connects gradually, its characterized in that: the inerting system for the ship methanol cabin cabinet further comprises a nitrogen supply device (2), a decompression check valve (3), an electromagnetic valve (4) and a stop check valve (5), wherein the nitrogen supply device, the decompression check valve (3), the electromagnetic valve (4) and the stop check valve (5) are sequentially connected, an output end of the stop check valve (5) is communicated with the methanol cabin (1), a first oxygen concentration sensor (6) electrically connected with the electromagnetic valve (4) is arranged in the methanol cabin (1), when the oxygen concentration in the methanol cabin (1) is greater than a preset value, the electromagnetic valve (4) is started by feeding back an electric signal from the first oxygen concentration sensor (6), and a pressure vacuum valve (7) is arranged on the methanol cabin (1).
2. The inerting system for methanol tanks of ships according to claim 1, characterized in that: the nitrogen supply equipment (2) is a nitrogen making machine or a nitrogen bottle.
3. The inerting system for methanol tanks of ships according to claim 1, characterized in that: a second oxygen concentration sensor (8) is also arranged in the methanol cabin (1), the preset value of the second oxygen concentration sensor (8) is higher than that of the first oxygen concentration sensor (6), an acousto-optic alarm (9) is arranged outside the methanol cabin (1), the second oxygen concentration sensor (8) is electrically connected with the acousto-optic alarm (9), the inerting system for the methanol tank cabinet of the ship further comprises a remote control stop valve (10), the output end of the nitrogen supply device (2) is communicated with the remote control stop valve (10), the output end of the remote control stop valve (10) is connected with a supply hose (11), the output end of the supply hose (11) is provided with a first quick connector (12), and the input module and the output module are both provided with second quick connectors (13) matched with the first quick connectors (12).
4. The inerting system for methanol tanks of ships according to claim 3, characterized in that: the input module comprises an injection head (14), the injection head (14) is communicated with the methanol cabin (1) through an input pipeline, and the second quick joint (13) is arranged between the injection head (14) and the methanol cabin (1).
5. The inerting system for methanol tanks of ships according to claim 3, characterized in that: the output module comprises an output supply valve (15) and an output pipeline, the output supply valve is arranged on the methanol cabin (1), the second quick connector (13) is arranged on the output pipeline, and a third oxygen concentration sensor is further arranged inside the output pipeline.
6. The inerting system for methanol tanks of ships according to claim 1, characterized in that: the output speed of the gas is 30m/s when the pressure vacuum valve (7) is opened.
7. The inerting system for methanol tanks of ships according to claim 1, characterized in that: and a stainless steel fireproof net is arranged at the vacuum end of the pressure vacuum valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777405.0U CN210912845U (en) | 2019-10-22 | 2019-10-22 | Boats and ships methyl alcohol cabin cabinet inerting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921777405.0U CN210912845U (en) | 2019-10-22 | 2019-10-22 | Boats and ships methyl alcohol cabin cabinet inerting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210912845U true CN210912845U (en) | 2020-07-03 |
Family
ID=71348007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921777405.0U Active CN210912845U (en) | 2019-10-22 | 2019-10-22 | Boats and ships methyl alcohol cabin cabinet inerting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210912845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626485A (en) * | 2019-10-22 | 2019-12-31 | 江龙船艇科技股份有限公司 | Inerting system and method for methanol cabin cabinet of ship |
-
2019
- 2019-10-22 CN CN201921777405.0U patent/CN210912845U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110626485A (en) * | 2019-10-22 | 2019-12-31 | 江龙船艇科技股份有限公司 | Inerting system and method for methanol cabin cabinet of ship |
| WO2021078194A1 (en) * | 2019-10-22 | 2021-04-29 | 江龙船艇科技股份有限公司 | Inerting system and method for methanol tank of ship |
| CN110626485B (en) * | 2019-10-22 | 2024-01-09 | 江龙船艇科技股份有限公司 | Inerting method of ship methanol tank inerting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110626485A (en) | Inerting system and method for methanol cabin cabinet of ship | |
| CN110745227B (en) | Ship methanol tank injection system and method | |
| CN210912845U (en) | Boats and ships methyl alcohol cabin cabinet inerting system | |
| CN104707275A (en) | High-altitude fire extinguishing method | |
| CN106917613B (en) | Oilfield liquid carbon dioxide injection device and injection method | |
| CN110639145B (en) | Methanol ship fire-fighting system and method | |
| CN213361880U (en) | Ship LNG filling communication control device and ship filling system | |
| CN202330044U (en) | Ship pressure air test device | |
| CN205785682U (en) | A kind of submarine optical fiber cable waterproof test device | |
| CN203108054U (en) | Fire engineering fire unit | |
| CN210912844U (en) | Ship methanol cabin cabinet injection system | |
| CN206488053U (en) | A kind of automatic defoaming device | |
| CN210751011U (en) | Pneumatic throwing device for fire extinguishing bomb | |
| CN204300679U (en) | LNG mono-pump two-shipper filling station control system | |
| CN211935268U (en) | Battery box cooling and fire extinguishing control system capable of spraying for multiple times | |
| CN201670353U (en) | Far-distant life-saving throwing device | |
| CN207215601U (en) | The pressure test device of high pressure pipe joint | |
| CN108591819A (en) | A kind of oxygenate apparatus | |
| CN201469951U (en) | Fire extinguishing apparatus used in fire protection engineering | |
| CN205494744U (en) | Automatic pressure boost high altitude fire control unit | |
| CN221221257U (en) | Intelligent vacuum oiling machine for nitrogen damper | |
| CN205664119U (en) | Air feed subassembly under water | |
| CN215653529U (en) | Marine foam fire extinguishing system | |
| CN219081555U (en) | Quick supercharging device of oil well nitrogen injection | |
| CN115294752B (en) | Underwater air cylinder wireless remote control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |