CN206093502U - Two gas supply system of marine CNG and control system - Google Patents
Two gas supply system of marine CNG and control system Download PDFInfo
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- CN206093502U CN206093502U CN201620928298.7U CN201620928298U CN206093502U CN 206093502 U CN206093502 U CN 206093502U CN 201620928298 U CN201620928298 U CN 201620928298U CN 206093502 U CN206093502 U CN 206093502U
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Abstract
The utility model relates to a two gas supply system of marine CNG and control system, two gas supply system are including the gas cylinder group and two gas supply system casees that are connected, be equipped with gas supply line A and the gas supply line B who is connected in two gas supply system incasement portions, install the root valve A of system, high pressure isolating valve A, overcurrent protection valve A, high -pressure filter A, high -pressure relief pressure valve A, gas supply valve A on gas supply line A, gas supply line A's a period number is outside in two gas supply system casees, installs manometer A or pressure sensor A, natural gas gas engine A in this section, the beneficial effects of the utility model are that: two sets of gas supply system are two single fuel host computer air feed respectively, and to the boats and ships of single fuel list host computer, two sets of gas supply system connect a single fuel host computer jointly, one of them cover work, and other one set is standby system. Gas supply system changes the high -pressure natural gas in the CNG gas cylinder into satisfy natural gas engine air feed demand the low pressure natural gas.
Description
Technical field
This utility model is related to feeder technical field peculiar to vessel, more particularly to a kind of double air supply systems of CNG peculiar to vessel and control
System processed.
Background technology
Natural gas is favored by people as commonly used clean energy resource, and the main storage form of natural gas has two
Kind, one kind is the form of compressed natural gas (CNG), and one kind is the form of liquefied natural gas (LNG).It is currently based on liquefied natural gas
There is larger advantage compared with compressed natural gas in terms of storage area occupancy, therefore current ships that transport field on the water is mainly used
LNG is used as fuel.Even it is not very ripe to the air supply system technology that CNG is marine fuel.
Although CNG is more ripe in automotive field application, but the particularity for being navigated by water based on ship on the water, marine vessel applications
CNG needs to consider emphatically the security reliability of its application as fuel.In order to meet scheduled airline, short distance navigation it is medium and small
Type ship uses CNG fuel safely, and protection inland river, lake water quality reduce atmospheric pollution, solve CNG and apply on spitkit
Bottleneck, this utility model, can the current CNG ships of effectively solving there is provided a kind of double air supply systems of CNG peculiar to vessel and control system
The technical deficiency of air supply system.And this utility model can be not only used for the ship of single fuel single host, also can be used for single fuel double
On the ship of main frame.
Utility model content
For weak point present in the problems referred to above, this utility model provides a kind of double air supply systems of CNG peculiar to vessel and control
System processed.
For achieving the above object, this utility model provides a kind of double air supply systems of CNG peculiar to vessel and control system, including：
The double air supply systems being connected and control system；
Described pair of air supply system includes gas cylinders group and pair air supply system case being connected；
The steam line A and steam line B being connected is provided with inside described pair of air supply system case, in the steam line
System root valve A, high-pressure stop valve A, overcurrent protective valve A, high pressure filter A, high-pressure pressure-reducing valve A, steam supply valve A are installed on A；
One section of the steam line A is located at outside described pair of air supply system case, and pressure Table A or pressure transducer are provided with this section
A, temperature Table A or temperature sensor A and natural gas gas electromotor A；
System root valve B, high-pressure stop valve B, overcurrent protective valve B, high pressure filter are installed on the steam line B
B, high-pressure pressure-reducing valve B, steam supply valve B；One section of the steam line B is located at outside described pair of air supply system case, is pacified in this section
Equipped with pressure gauge B or pressure transducer B, temperature Table A or temperature sensor A and natural gas gas electromotor B；
The control system includes that guidance panel is provided with mainboard inside the guidance panel；
Be provided with the guidance panel the remaining tolerance viewing area that is connected with the mainboard, gas cylinder high pressure diffuse button,
Air supply system A temperature viewing area, air supply system A pressure viewing area, air supply system A supply start buttons, air supply system A high pressure cut
Only button, air supply system A high pressure diffuse that button, air supply system B temperature show, air supply system B pressure shows, air supply system B is supplied
Gas start button, air supply system B high-pressure stop buttons, air supply system B high pressure diffuse button, air supply system A overcurrent protections and reset
Button, air supply system B overcurrent protection SRs.
Further improve as this utility model, the steam line A is also equipped with arm, is provided with the arm
Pressure gauge C and pipeline diffusion valve A.
Further improve as this utility model, the steam line B is also equipped with arm, is provided with the arm
Pressure gauge D and pipeline diffusion valve B.
Further improve as this utility model, the described pair of air supply system upper box part and bottom be separately installed with air outlet and
Air inlet.
Further improve as this utility model, connected by three-way valve between the steam line A and the steam line B
Connect.
Further improve as this utility model, the gas cylinders group is connected with the steam line A and the steam line B
Pressure gauge E or pressure transducer C, gas cylinder diffusion valve, check valve and charge valve are installed on the charging line at place.
Further improve as this utility model, described pair of air supply system and the control system are connected with supply unit respectively
Connect.
The beneficial effects of the utility model are：Two sets of air supply systems are respectively two single fuel main supply, for Dan Ran
The ship of material list main frame, two sets of air supply systems connect a single fuel main jointly, wherein a set of work, other set is standby
System.Air supply system is that the high-pressure natural gas in CNG gas cylinders are changed into the low pressure day for meeting that natural gas engine supplies demand
Right gas.The concentrated settings such as the valve member of double air supply systems, high pressure line in clack box, are constituted CNG supply system by air supply system clack box
System, ensures that high-pressure natural gas are changed into low pressure natural gas output after entering, uses for electromotor.Clack box arranges ventilating system, peace
Effective sucking type mechanical ventilation system is filled, there should be the draught capacity of at least 30 times of taking a breath per hour.When the engine is running,
Ventilating system answers continuous running.Control System Design control system is made up of guidance panel, controller, battery, by operating surface
Plate realizes the control to air supply system.
Description of the drawings
Fig. 1 is the double air supply systems of CNG of the double air supply systems of CNG peculiar to vessel and control system in this utility model one embodiment
Structural representation；
Fig. 2 is the double supply systems of unit of the double air supply systems of CNG peculiar to vessel and control system in this utility model one embodiment
System structural representation；
Fig. 3 is the operating board structure of the double air supply systems of CNG peculiar to vessel and control system in this utility model one embodiment
Schematic diagram；
Fig. 4 is the Control system architecture of the double air supply systems of CNG peculiar to vessel and control system in this utility model one embodiment
Schematic diagram.
In figure：1- gas cylinders groups；The double air supply system clack boxes of 2-；3- charge valves；4- check valves；5- gas cylinder diffusion valves；6- pressure
Table E/ pressure transducer C；7- three-way valve；8- system root valve A；9- high-pressure stop valve A；10- overcurrent protective valve A；The high filter pressings of 11-
Clear device A；12- high-pressure pressure-reducing valves (device) A；13- steam supply valve A；14- pressure gauge A/ pressure transducer A；15- thermometer A/ temperature is passed
Sensor A；16- pressure gauge C；17- pipeline diffusion valve A；18- system root valve B；19- high-pressure stop valve B；20- overcurrent protective valve B；
21- high pressure filter B；22- high-pressure pressure-reducing valves (device) B；23- steam supply valve B；24- pressure gauge D；25- pipeline diffusion valve B；26- is pressed
Power table B/ pressure transducer B；27- thermometer A/ temperature sensor A；28- supply air lines；29- supply air line B；30- air outlets；
31- air inlets；32- natural gas gas electromotor A；33- natural gas gas electromotor B；34- residue tolerance shows；35- gas cylinder height is pressed
Scattered button；36- air supply system A temperature shows；37- air supply system A pressure shows；38- air supply systems A supplies start button；39-
Air supply system A high-pressure stop buttons；40- air supply system A high pressure diffuses button；41- air supply system B temperature shows；42- supply system
System B pressure shows；43- air supply systems B supplies start button；44- air supply system B high-pressure stop buttons；45- air supply systems B is high
Press scattered button；46- air supply system A overcurrent protection SRs；47- air supply system B overcurrent protection SRs；48- is operated
Panel；49- controllers；50- supply units.
Specific embodiment
As shown in figure 1, the double air supply systems of CNG a kind of peculiar to vessel and control system described in this utility model embodiment, double confessions
Gas system is mainly made up of two parts, is gas cylinders group 1 and double air supply system clack boxes 2 respectively.Gas cylinders group 1 can be by two or more CNG
Gas cylinder is constituted, valve member needed for setting system in air supply system clack box 2, realizes that high-pressure natural gas export full by air supply system clack box 2
The low pressure natural gas of sufficient natural gas engine demand.For the inflation of gas cylinders group 1 connects aerating pipeline by gas station, by beating
Charge valve 3 is opened, compressed natural gas is entered in the gas cylinder of gas cylinders group by charge valve 3, check valve 4.Charging line is provided with pressure
Power table E/ pressure transducer C6, pressure transducer C6 is shown by the tolerance that controller is connected to guidance panel, by filler pipe
The tolerance of pressure gauge and guidance panel on road shows viewing gas pressure of the inside of a bottle or tolerance.On the aerating pipeline being connected with gas cylinder,
High pressure diffusion valve 5 is set, in case of emergency, can be by the natural gas diffusion in gas cylinder.Gas cylinders group house steward is arranged by three-way valve 7
Supply air line A28, supply air line 29.System root valve A8, system root are arranged with this on supply air line A and supply air line B29
Valve B18, high-pressure stop valve A9, high-pressure stop valve B19, overcurrent protective valve A10, overcurrent protective valve B20, high pressure filter A11, height
Pressure cleaner B21, high-pressure pressure-reducing valve (device) A12, high-pressure pressure-reducing valve (device) B22, steam supply valve A13, steam supply valve B23.System root
Valve A8, system root valve B18, in the case of normal supply, in normally open, when air supply system goes wrong to be keeped in repair,
Turn off the valve.High-pressure stop valve A9, high-pressure stop valve B19 are emergency cut-off magnetic valves, when supply is not required to or in urgent feelings
Under condition, the valve is cut off by guidance panel.Overcurrent protective valve A10, overcurrent protective valve B20, can be according to electromotor most
Big air consumption is demarcated, and when excess leakage occurs in air supply system, i.e., when flow exceedes limit value, the valve can be automatically switched off
System source of the gas, to reach the function of safety, protection.High pressure filter A11, high pressure filter B21 are used to filter in natural gas
Impurity.High-pressure pressure-reducing valve (device) A12, high-pressure pressure-reducing valve (device) B22, realize the decompression to passing through supply air line high-pressure natural gas,
By the supply gas pressure scope needed for reduced pressure to electromotor.The switch valve of steam supply valve A13, steam supply valve B23 for air supply system, when
When needing supply, steam supply valve A13 or steam supply valve B23 is first turned on, high-pressure stop valve A9 or high-pressure stop valve B19 is then turned on,
Realize supply.High pressure diffusion valve A17, high pressure diffusion valve B25, the pressure for showing on the spot of not connected with the valve are set on supply air line
Table A 16, pressure gauge B24, when air supply system breaks down, need repairing inspection when, now steam supply valve A13, steam supply valve B23 and height
Pressure cutoff valve A9, high-pressure stop valve B19 are closed, and to avoid there are gases at high pressure in the pipeline between two valves, pass through
Gases at high pressure in pipeline are discharged by high pressure diffusion valve A17, high pressure diffusion valve B25, and are seen by pressure gauge A16, pressure gauge B24
Examine pipeline inner pressure.Supply clack box arranges pressure gauge/pressure on the supply air line A28 between electromotor, supply air line B29 and passes
Sensor A14, pressure gauge/pressure transducer B26 and thermometer/temperature sensor A15, thermometer/temperature sensor B27, so as to
On-site-inspection supply gas pressure and feed air temperature, and supply gas pressure and feed air temperature are observed on guidance panel by sensor.
Double air supply system clack boxes 2 arrange an air inlet 31 and an air outlet 30, install effective sucking type mechanical ventilation system, tool
There is the draught capacity of at least 30 times of taking a breath per hour, when the engine is running, ventilating system answers continuous running.
Fig. 2 is the double air supply system schematic diagrams of unit, and the unique difference compared with the double air supply systems of two-shipper is to save
A set of pressure gauge/pressure transducer and thermometer/temperature sensor.
As shown in figure 3, guidance panel, arranges remaining tolerance and shows the remaining tolerance in 34 display gas cylinders groups；Gas cylinder high pressure
Diffuse the switch of the control gas cylinder of button 35 diffusion valve 5.1 temperature of air supply system shows the outlet temperature of 36 display systems 1.Supply system
1 pressure of uniting shows the outlet pressure of 37 systems 1；The supply start button 38 of air supply system 1 controls the switch of steam supply valve 13；Supply system
1 high-pressure stop button 39 of uniting controls the switch of high-pressure stop valve 9.1 high pressure of air supply system diffuses 40 control piper diffusion valve of button
17 switch；2 temperature of air supply system shows the outlet temperature of 41 display systems 2.2 pressure of air supply system shows going out for 42 systems 2
Mouth pressure.The supply start button 43 of air supply system 2 controls the switch of steam supply valve 23；2 high-pressure stop button 44 of air supply system is controlled
The switch of high-pressure stop valve 19；2 high pressure of air supply system diffuses the switch of 45 control piper diffusion valve 25 of button.1 excessively stream of system is protected
The shield reset stream protection of 46/ system 2 reset 47 is the reset for controlling overcurrent protective valve 10/20, is let out when excess occur in CNG air supply systems
Leakage, overcurrent protective valve 10/20 is automatically switched off, and after failture evacuation, presses 1 overcurrent protection of system and resets the protection of the stream of 46/ system 2 again
Position 47, you can recover its function.
As shown in figure 4, control system is by guidance panel 48, controller 49 and supply unit 50, guidance panel 48 and control
Device 49 is connected, and controller 49 is connected with each electromagnetic valve, sensor, controls the switch of each valve, sensor by guidance panel
Air supply system each parameter is delivered to into controller 49, reading is shown on guidance panel.Supply unit 50 is 48 He of guidance panel
Controller 49 is powered.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. are should be included within protection domain of the present utility model.
Claims (7)
1. a kind of double air supply systems of CNG peculiar to vessel and control system, it is characterised in that include：
The double air supply systems being connected and control system；
Described pair of air supply system includes gas cylinders group (1) and pair air supply system case (2) being connected；
The steam line A (28) and steam line B (29) being connected is provided with inside described pair of air supply system case (2), described
System root valve A (8), high-pressure stop valve A (9), overcurrent protective valve A (10), high pressure filter are installed on steam line A (28)
A (11), high-pressure pressure-reducing valve A (12), steam supply valve A (13)；One section of the steam line A (28) is located at described pair of air supply system case
(2) it is outside, pressure Table A or pressure transducer A (14), temperature Table A or temperature sensor A (15) and natural are installed in this section
Gas gas electromotor A (32)；
System root valve B (18), high-pressure stop valve B (19), overcurrent protective valve B are installed on the steam line B (29)
(20), high pressure filter B (21), high-pressure pressure-reducing valve B (22), steam supply valve B (23)；One section of the steam line B is located at described
Outside double air supply system casees, pressure gauge B or pressure transducer B (26), temperature Table A or temperature sensor A are installed in this section
And natural gas gas electromotor B (33) (27)；
The control system includes that guidance panel is provided with mainboard inside the guidance panel；
The remaining tolerance viewing area (34) that is connected with the mainboard, gas cylinder high pressure are provided with the guidance panel and diffuse button
(35), air supply system A temperature viewing area (36), air supply system A pressure viewing area (37), air supply system A supply start buttons
(38), air supply system A high-pressure stops button (39), air supply system A high pressure diffuse button (40), air supply system B temperature and show
(41), air supply system B pressure shows (42), air supply system B supply start button (43), air supply system B high-pressure stop buttons
(44), air supply system B high pressure diffuses button (45), air supply system A overcurrent protection SRs (46), air supply system B excessively streams and protects
Shield SR (47).
2. the double air supply systems of CNG peculiar to vessel according to claim 1 and control system, it is characterised in that：The steam line A
(28) arm is also equipped with, pressure gauge C (16) and pipeline diffusion valve A (17) is installed on the arm.
3. the double air supply systems of CNG peculiar to vessel according to claim 1 and control system, it is characterised in that：The steam line B
(29) arm is also equipped with, pressure gauge D (24) and pipeline diffusion valve B (25) is installed on the arm.
4. the double air supply systems of CNG peculiar to vessel according to claim 1 and control system, it is characterised in that：Double supply systems
System case (2) top is separately installed with air outlet (30) and air inlet (31) with bottom.
5. the double air supply systems of CNG peculiar to vessel according to claim 1 and control system, it is characterised in that：The steam line A
(28) it is connected by three-way valve (7) between the steam line B (29).
6. the double air supply systems of CNG peculiar to vessel according to claim 1 and control system, it is characterised in that：The gas cylinders group (1)
Pass with pressure gauge E or pressure are provided with the charging line of the steam line A (28) and the steam line B (29) junction
Sensor C (6), gas cylinder diffusion valve (5), check valve (4) and charge valve (3).
7. the double air supply systems of CNG peculiar to vessel according to claim 1 and control system, it is characterised in that：Double supply systems
System and the control system are connected with supply unit (50) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928298.7U CN206093502U (en) | 2016-08-23 | 2016-08-23 | Two gas supply system of marine CNG and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620928298.7U CN206093502U (en) | 2016-08-23 | 2016-08-23 | Two gas supply system of marine CNG and control system |
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| Publication Number | Publication Date |
|---|---|
| CN206093502U true CN206093502U (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620928298.7U Active CN206093502U (en) | 2016-08-23 | 2016-08-23 | Two gas supply system of marine CNG and control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246340A (en) * | 2017-07-10 | 2017-10-13 | 河南柴油机重工有限责任公司 | A kind of fuel feed system suitable for LNG powered ship gas engines |
| CN108061240A (en) * | 2017-12-18 | 2018-05-22 | 常州蓝翼飞机装备制造有限公司 | LNG bottles of group peculiar to vessel |
| CN110819960A (en) * | 2019-12-19 | 2020-02-21 | 苏州凯利昂光电科技有限公司 | Continuous gas supply device for sputtering coating |
| WO2021031197A1 (en) * | 2019-08-22 | 2021-02-25 | 中集船舶海洋工程设计研究院有限公司 | Fuel supply system and fuel supply method |
-
2016
- 2016-08-23 CN CN201620928298.7U patent/CN206093502U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246340A (en) * | 2017-07-10 | 2017-10-13 | 河南柴油机重工有限责任公司 | A kind of fuel feed system suitable for LNG powered ship gas engines |
| CN107246340B (en) * | 2017-07-10 | 2019-08-13 | 河南柴油机重工有限责任公司 | A kind of fuel feed system suitable for LNG powered ship gas engine |
| CN108061240A (en) * | 2017-12-18 | 2018-05-22 | 常州蓝翼飞机装备制造有限公司 | LNG bottles of group peculiar to vessel |
| WO2021031197A1 (en) * | 2019-08-22 | 2021-02-25 | 中集船舶海洋工程设计研究院有限公司 | Fuel supply system and fuel supply method |
| CN110819960A (en) * | 2019-12-19 | 2020-02-21 | 苏州凯利昂光电科技有限公司 | Continuous gas supply device for sputtering coating |
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