CN207830985U - The gas supply of inert gas generator controls security module unit - Google Patents
The gas supply of inert gas generator controls security module unit Download PDFInfo
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- CN207830985U CN207830985U CN201721505914.9U CN201721505914U CN207830985U CN 207830985 U CN207830985 U CN 207830985U CN 201721505914 U CN201721505914 U CN 201721505914U CN 207830985 U CN207830985 U CN 207830985U
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Abstract
The utility model is related to a kind of gas supplies of inert gas generator to control security module unit, include the first valve, the second valve, pressure transmitter, flow sensor, third valve, combustible gas sensor, pumping wind turbine, the 4th valve, the 5th valve, the 6th valve, the 7th valve, pressure sensor, Antiexplosion and fire-stopping unit, shell, first row gas port, second exhaust port, the first pipe, the second pipe, the first branch pipe, the second branch pipe, third branch pipe.Use combustion-type inert gas generator when using oil associated natural gas as fuel to solve ship and ocean engineering, the technical issues of gas leakage of the fuel gas pipeline from pipe fitting and valve member can not be monitored, provide a kind of gas supply control security module unit of inert gas generator, it can be effectively prevent gas leakage of the fuel gas pipeline from pipe fitting and valve member, avoid safety accident.
Description
Technical field
The utility model belongs to ship control technical field, and safety is controlled more particularly to the gas supply of inert gas generator
Modular unit.
Background technology
During marine petroleum exploitation and oil movement and storage, for security needs, the use of inert gas system is quite general
And the inert gas system of big capacity is based on combustion-type inert gas generator, is mainly characterized by that aerogenesis speed is fast, and capacity is big.
Currently, combustion-type inert gas generator based on fuel combustion type, by oxygen depleted of burning, generates inert gas, and
Due to oil field gas abundance on FPSO, noble gas is generated by the natural gas that burns and is then more energy-saving and environmentally friendly, and is easy to get.
But natural gas pays particular attention to the safety problem of fuel gas supply pipeline in use, prevents distribution pipeline from pipe fitting
And the gas leakage at valve member, cause safety accident.Therefore, ship and ocean engineering combustion-type inert gas generator, are using
When oil associated natural gas is as fuel, it is badly in need of a kind of gas supply control security module unit.
Invention content
The purpose of this utility model is to provide the gas supplies of inert gas generator to control security module unit,
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
A kind of inert gas generator gas supply control security module unit, including the first valve 1, the second valve 2, pressure transmitter
3, flow sensor 4, third valve 5, combustible gas sensor 6, pumping wind turbine 7, the 4th valve 8, the 5th valve 9, the 6th valve the 10, the 7th
Valve 11, pressure sensor 12, Antiexplosion and fire-stopping unit 13, shell 14, first row gas port 15, second exhaust port 16, the first pipe 17, second
Pipe 18, the first branch pipe 19, the second branch pipe 20, third branch pipe 21；
First pipe 17 controls security module unit, one end and natural gas supply list through inert gas generator gas supply
Member connection, the other end are connect with inert gas generator；17 outside of the first pipe being connect with inert gas generator is cased with the second pipe 18,
Described second pipe, 18 one end is connect with shell 14, and the other end extends to nearly inert gas generator；
The shell 14 be internally provided with the first valve 1, the second valve 2, pressure transmitter 3, flow sensor 4, third valve 5,
Combustible gas sensor 6, the 4th valve 8, the 5th valve 9, the 6th valve 10, the 7th valve 11, pressure sensor 12, Antiexplosion and fire-stopping unit 13,
First branch pipe 19, the second branch pipe 20, third branch pipe 21；
First row gas port 15 and second exhaust port 16,15 nearly natural gas of the first row gas port are set on 14 wall of the shell
Air supply unit, 16 nearly inert gas generator of the second exhaust port, the pumping wind turbine 7 are arranged in second exhaust port 16；
6th valve 10, the first valve 1, the second valve 2, third valve 5, Antiexplosion and fire-stopping unit 13 are along natural gas supply unit to lazy
Gas generator direction is successively set on the first pipe 17；
Described first branch pipe, 19 one end is connect with the first pipe 17, and the other end is connect with first row gas port 15, described first
7th valve 11 is set on pipe 19；The first pipe 17 connection between described second branch pipe, 20 one end and the first valve 1 and the second valve 2, separately
One end is connect with pressure transmitter 3, and pressure sensor 12 is arranged on second branch pipe 20；The third branch pipe 21 is arranged close
Inert gas generator end, one end are connect with the first pipe 17, and the other end is connect with nitrogen purging device, are arranged on the third branch pipe 21
There are the 4th valve 8, the 5th valve 9.
Further, the inert gas generator gas supply control security module unit further includes filter 22, the mistake
On the first pipe 17 that filter 22 is arranged between the 6th valve 10 and the first valve 1.
The utility model has the advantages that：
The utility model provides a kind of gas supply control security module unit of inert gas generator, and there is natural gas to supply
It should be with turn-off function；Fuel gas pipeline and valve member leakage detection function；Gas flow monitors and regulatory function；Modular unit combustible gas
Body monitoring, alarming function；Automatic ventilation function inside security module unit；It shuts down nitrogen and purges function；Gas header pipe nitrogen purges
Function；Supply gas pressure deficiency alarm cutting function；Gas supply security module unit explosion prevention function.It is used in ship and ocean engineering
Combustion-type inert gas generator can effectively prevent fuel gas pipeline from pipe fitting and valve member when using oil associated natural gas as fuel
The gas leakage at place, avoids safety accident.
Description of the drawings
Fig. 1 is that the utility model inert gas generator gas supply controls security module unit integral installation schematic diagram, wherein
Fig. 1-a are natural gas supply unit, and Fig. 1-b are that gas generator gas supply controls security module unit, and Fig. 1-c are noble gas
Device；
1, the first valve；2, the second valve；3, pressure transmitter；4, flow sensor；5, third valve；6, fuel gas senses
Device；7, it is evacuated wind turbine；8, the 4th valve；9, the 5th valve；10, the 6th valve；11, the 7th valve；12, pressure sensor；13, anti-explosion fire-retardant
Device；14, shell；15, first row gas port；16, second exhaust port；17, the first pipe；18, the second pipe；19, the first branch pipe；20,
Two branch pipes；21, third branch pipe；22, filter.
Specific implementation mode
Below in conjunction with the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, the first pipe 17 controls security module unit, one end and natural gas through inert gas generator gas supply
Air supply unit connects, and the other end is connect with inert gas generator, and the natural gas in natural gas supply unit is passed through by the first pipe 17
Inert gas generator gas supply enters inert gas generator after controlling security module unit.In the first pipe being connect with inert gas generator
17 outsides are cased with the second pipe 18, and 18 one end of the second pipe is connect with shell 14, and the other end extends to nearly inert gas generator, the first pipe 17
Space between 18 tube wall of tube wall and the second pipe is connected to inert gas generator gas supply control security module unit inner space；
Second exhaust port 16 is set on the wall at 14 nearly inert gas generator of shell, and pumping wind turbine 7 is arranged in second exhaust port 16, is used for
Ventilation inside security module unit；Start pumping wind turbine 7, can be sucked the air near inert gas generator by the second pipe 18
It inside security module unit, and is discharged by pumping wind turbine 7 and causes safety zone, in gas supply, if pipe fitting has leakage, this sets
Meter can effectively prevent pipe fitting or valve junction to have natural gas leaking, and burning even explosion, causes to pacify at inert gas generator
Full hidden danger.
First valve 1, the second valve 2, pressure transmitter 3, flow sensor 4, third valve 5, combustible gas sensor the 6, the 4th
Valve 8, the 6th valve 10, the 7th valve 11, pressure sensor 12, Antiexplosion and fire-stopping unit 13, includes the first branch pipe 19, the second branch pipe at the 5th valve 9
20, third branch pipe 21, filter 22 are arranged inside shell 14；Wherein the 6th valve 10, filter 22, the first valve 1, the second valve
2, third valve 5, Antiexplosion and fire-stopping unit 13 are successively set on along natural gas supply unit to inert gas generator direction on the first pipe 17；The
One exhaust outlet 15 is arranged on 14 wall of shell of nearly natural gas supply unit.First branch pipe, 19 one end is connect with the first pipe 17, separately
One end is connect with first row gas port 15, and the 7th valve 11 is arranged on the first branch pipe 19；Second branch pipe, 20 one end and the first valve 1 and second
The first pipe 17 connection between valve 2, the other end are connect with pressure transmitter 3, and pressure sensor 12 is arranged on the second branch pipe 20；The
Three branch pipes 21 are arranged at nearly inert gas generator end, and one end is connect with the first pipe 15, and the other end is connect with nitrogen purging device, third
The 4th valve 8, the 5th valve 9 are provided on branch pipe 21.
First valve 1 and the second valve 2 coordinate the pressure transmitter 3 among two valves to use, and preceding south is used in inert gas generator
It needs to execute gas leakage program, specially：1 a period of time of the first valve is first opened, closes the second valve 2, combustion gas enters pipeline, makes
Pipeline section between first valve 1 and the second valve 2 is full of combustion gas, and the pressure in pipeline section should be gas header pipe pressure at this time, closes the
One valve 1 monitoring a period of time, pressurize is carried out to pipeline.Pressure transmitter 3 monitors the pipeline section pressure between the first valve 1 and the second valve 2
Whether power has decline, and pipeline closed performance is met the requirements if the non-rapid decrease of pressure, can be supplied to inert gas generator, no
Then, system sends out gas leakage alarm and cuts off the supply of gas header pipe.In the gas supply course of work, pressure transmitter 3
It is also used as the pressure monitor of gas supply, once pressure will alarm less than setting valve system and cut off gas supply.
Flow sensor 4 can monitor the flow of natural gas in real time, and third valve 5 is gas control valve, flow sensor 4
Can be with according to onsite application noble gas the case where, by adjusting the aperture of third valve 5 in real time, control enters the combustion gas in inert gas generator
Flow, make the stable working state of inert gas generator.
Combustible gas sensor 6 is arranged in shell 14, for monitoring in gas supply security module unit sealing space
Fuel gas composition, alarm immediately if finding to leak, and cutting system gas supply.
21 one end of third branch pipe is connect with the first pipe 17, and the other end is connect with nitrogen purging device, before system starts every time
And a nitrogen pipeline purging action will be executed after shutting down, the 4th valve 8 control nitrogen purging being arranged on third branch pipe 21
Nitrogen flow, the 5th valve 9 adjust the pressure of purging nitrogen.
6th valve 10 is gas header pipe nitrogen purging manually-operated gate, when system overhaul or long-time out of service, is needed
An air supply header line nitrogen purging is carried out, the nitrogen purging device in natural gas supply unit is opened at this time, opens the 6th valve
10,19 one end of the first branch pipe is connect with the first pipe 17, and the other end is connect with first row gas port 15, and the 7th is arranged on the first branch pipe 19
Valve 11, the 7th valve 11 is opened when air supply header line nitrogen purges, and releases the residual combustion gases in pipeline, and when nitrogen purges pipeline
By the first branch pipe 19 safety zone is discharged into from first row gas port 15.
Antiexplosion and fire-stopping unit 13 can prevent inert gas generator from jeopardizing air supply header because of tempering, prevent flame to for gas field
Institute, plays the role of safety anti-explosive.
The utility model provides a kind of gas supply control security module unit of inert gas generator, and there is natural gas to supply
It should be with turn-off function；Fuel gas pipeline and valve member leakage detection function；Gas flow monitors and regulatory function；Modular unit combustible gas
Body monitoring, alarming function；Automatic ventilation function inside security module unit；It shuts down nitrogen and purges function；Gas header pipe nitrogen purges
Function；Supply gas pressure deficiency alarm cutting function；Gas supply security module unit explosion prevention function.It is used in ship and ocean engineering
Combustion-type inert gas generator can effectively prevent fuel gas pipeline from pipe fitting and valve member when using oil associated natural gas as fuel
The gas leakage at place, avoids safety accident.
Claims (2)
1. a kind of gas supply of inert gas generator controls security module unit, which is characterized in that
The gas supply control security module unit of the inert gas generator includes the first valve（1）, the second valve（2）, pressure inverting
Device（3）, flow sensor（4）, third valve（5）, combustible gas sensor（6）, pumping wind turbine（7）, the 4th valve（8）, the 5th valve
（9）, the 6th valve（10）, the 7th valve（11）, pressure sensor（12）, Antiexplosion and fire-stopping unit（13）, shell（14）, first row gas port
（15）, second exhaust port（16）, first pipe（17）, second pipe（18）, the first branch pipe（19）, the second branch pipe（20）, third branch pipe
（21）；
First pipe（17）Security module unit, one end and natural gas supply list are controlled through the gas supply of inert gas generator
Member connection, the other end are connect with inert gas generator；First pipe being connect with inert gas generator（17）Outside is cased with the second pipe
（18）, second pipe（18）One end and shell（14）Connection, the other end extend to nearly inert gas generator；
The shell（14）It is internally provided with the first valve（1）, the second valve（2）, pressure transmitter（3）, flow sensor（4）,
Three valves（5）, combustible gas sensor（6）, the 4th valve（8）, the 5th valve（9）, the 6th valve（10）, the 7th valve（11）, pressure sensing
Device（12）, Antiexplosion and fire-stopping unit（13）, the first branch pipe（19）, the second branch pipe（20）, third branch pipe（21）；
The shell（14）First row gas port is set on wall（15）And second exhaust port（16）, the first row gas port（15）Nearly day
Right gas air supply unit, the second exhaust port（16）Nearly inert gas generator, the pumping wind turbine（7）It is arranged in second exhaust port
（16）On；
6th valve（10）, the first valve（1）, the second valve（2）, third valve（5）, Antiexplosion and fire-stopping unit（13）Along natural gas supply list
Member to inert gas generator direction is successively set on the first pipe（17）On；
First branch pipe（19）One end and the first pipe（17）Connection, the other end and first row gas port（15）Connection, described first
Branch pipe（19）The 7th valve of upper setting（11）；Second branch pipe（20）One end and the first valve（1）With the second valve（2）Between first
Pipe（17）Connection, the other end and pressure transmitter（3）Connection, second branch pipe（20）Upper setting pressure sensor（12）；Institute
State third branch pipe（21）Setting is in nearly inert gas generator end, one end and the first pipe（17）Connection, the other end and nitrogen purging device
Connection, the third branch pipe（21）On be provided with the 4th valve（8）, the 5th valve（9）.
2. a kind of gas supply of inert gas generator according to claim 1 controls security module unit, which is characterized in that
The gas supply control security module unit of the inert gas generator further includes filter（22）, the filter（22）Setting exists
6th valve（10）With the first valve（1）Between first pipe（17）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505914.9U CN207830985U (en) | 2017-11-13 | 2017-11-13 | The gas supply of inert gas generator controls security module unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505914.9U CN207830985U (en) | 2017-11-13 | 2017-11-13 | The gas supply of inert gas generator controls security module unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830985U true CN207830985U (en) | 2018-09-07 |
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ID=63386276
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721505914.9U Active CN207830985U (en) | 2017-11-13 | 2017-11-13 | The gas supply of inert gas generator controls security module unit |
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| Country | Link |
|---|---|
| CN (1) | CN207830985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457599A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Dual-fuel inert gas generation system and ship comprising same |
-
2017
- 2017-11-13 CN CN201721505914.9U patent/CN207830985U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457599A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Dual-fuel inert gas generation system and ship comprising same |
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