CN209458021U - Gas supply of dual-fuel engine system peculiar to vessel - Google Patents
Gas supply of dual-fuel engine system peculiar to vessel Download PDFInfo
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- CN209458021U CN209458021U CN201920203464.0U CN201920203464U CN209458021U CN 209458021 U CN209458021 U CN 209458021U CN 201920203464 U CN201920203464 U CN 201920203464U CN 209458021 U CN209458021 U CN 209458021U
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- valve
- gas
- gas inlet
- tube
- air supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model discloses a kind of gas supply of dual-fuel engine systems peculiar to vessel.The gas supply of dual-fuel engine system peculiar to vessel includes: valve module air supply unit cabinet；Gas inlet bimetallic tube, outer tube are connected to the inner cavity of valve module air supply unit cabinet；One end of gas inlet connected double-layer pipe, outer tube is connected to the inner cavity of valve module air supply unit cabinet, and one end of second gas inlet pipe is connect with the first gas inlet pipe of gas inlet bimetallic tube；Injection valve shielded box, inner cavity are connected to the other end of gas inlet connected double-layer outer tube layer pipe；Combustion gas is breathed freely bimetallic tube；And fresh wind tube, one end are connected to the inner cavity of injection valve shielded box, the other end is connected with ship exhausting system.The gas supply of dual-fuel engine system peculiar to vessel can effectively solve the problem that dual fuel engine air supply system gas leakage bring risk problem peculiar to vessel, meet ship inspection laws and regulations requirement.
Description
Technical field
The utility model is about engine art, especially with regard to a kind of gas supply of dual-fuel engine system peculiar to vessel
System.
Background technique
With the gradually implementation of China's Energy restructuring and energy-saving and emission-reduction strategy, gas engine is aobvious with economic benefit
It writes, discharge low advantage, application is more and more, is one of the important measures realizing energy-saving and emission-reduction and putting.Double fuel peculiar to vessel is sent out
Motivation, the security of fuel gas supply pipeline include Double layer pipeline, valve module air supply unit (GVU) arrangement, injection valve arrangement, always
It is the emphasis of ship inspection and user's concern, belongs to the key technology of exploitation.The country is peculiar to vessel for multi-point injection double fuel at present starts
The research of machine feed system is less.
According to " gas fuel Power Vessel specification ", gas engine fuel gas supply pipeline peculiar to vessel is needed using bimetallic tube
Road, internal for supplying natural gas to engine, outer tube is connected with ship exhausting system, for taking the day of leakage away in time
Right gas guarantees cabin safety.However, most fuel gas supply pipelines domestic at present directly borrow vehicle fuel pipeline, exist as follows
It is insufficient:
Part type generallys use single layer pipeline in GVU and air inlet pipe connecting portion, and the connection between its pipeline is universal
Using threaded connection, especially injection valve position, after repeated disassembled and assembled, gas leakage is easy to cabin, leads to security risk.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable gas supply of dual-fuel engine systems peculiar to vessel
System, the valve module air supply unit cabinet and injection valve shielded box and fuel gas supply of the gas supply of dual-fuel engine system peculiar to vessel
Pipeline constitutes two-layer pipe, can effectively solve the problem that dual fuel engine air supply system gas leakage bring risk problem peculiar to vessel, full
Sufficient ship examines laws and regulations requirement.
To achieve the above object, the utility model provides a kind of gas supply of dual-fuel engine system peculiar to vessel, comprising:
Valve module air supply unit cabinet, is laid with methane oxidizing archaea monitoring sensor；It is laid in the valve module air supply unit cabinet
First pressure gauge, pressure regulator valve, combustion gas filter, second pressure gauge and shut-off valve；Gas inlet bimetallic tube is arranged in the valve
One end of component air supply unit cabinet, the outer tube of the gas inlet bimetallic tube and the inner cavity of valve module air supply unit cabinet connect
Logical, inner tube is the first gas inlet pipe；The valve module air supply unit cabinet is arranged in gas inlet connected double-layer pipe
One end of the other end, the outer tube of the gas inlet connected double-layer pipe is connected to the inner cavity of valve module air supply unit cabinet, internal layer
Pipe is the second gas inlet pipe, and one end of second gas inlet pipe and the first gas inlet pipe of gas inlet bimetallic tube connect
Connect, the first pressure gauge, pressure regulator valve, combustion gas filter, second pressure gauge and shut-off valve be laid in the second gas inlet pipe and
Between first gas inlet pipe, it is provided with permeability cell between second pressure gauge and shut-off valve, first is provided on the permeability cell thoroughly
Air valve；Injection valve shielded box, is arranged inside injection valve, injection valve be laid in the second combustion gas of gas inlet connected double-layer pipe into
On tracheae, the inner cavity of the injection valve shielded box is connected to the other end of gas inlet connected double-layer outer tube layer pipe；Combustion gas is ventilative double
Layer pipe, one end of outer tube are connected to the inner cavity of injection valve shielded box, the inner cavity of the other end and valve module air supply unit cabinet
Connection；The inner tube of the ventilative bimetallic tube of the combustion gas is combustion gas permeability cell, and one end of combustion gas permeability cell connect double with gas inlet
The other end connection of second gas inlet pipe of layer pipe, the other end is connect with permeability cell, and is provided with the second vent valve；And it is new
Air hose is laid on injection valve shielded box, and one end of the fresh wind tube is connected to the inner cavity of injection valve shielded box, the other end and ship
Oceangoing ship exhausting system is connected.
In a preferred embodiment, valve module air supply unit cabinet offers gas leakage ventilation mouth, for wearing
Permeability cell.
In a preferred embodiment, the first vent valve and the second vent valve are pneumatic operated valve.
In a preferred embodiment, shut-off valve is pneumatic operated valve.
In a preferred embodiment, the air inlet of the first vent valve, the second vent valve and shut-off valve is laid in valve group
The top of part air supply unit cabinet.
Compared with prior art, gas supply of dual-fuel engine system peculiar to vessel according to the present utility model has and has as follows
Beneficial effect: the valve module air supply unit cabinet and injection valve shielded box of the gas supply of dual-fuel engine system peculiar to vessel and combustion gas
Feeding pipe constitutes two-layer pipe, is connected with ship exhausting system.When fuel leaks, concentration reaches methane concentration
When detector setting value, which issues alarm signal to instrument, alarms.Meanwhile the Some gases of leakage are with exhausting
System is extracted cabin, guarantees cabin safety, can effectively solve the problem that dual fuel engine air supply system gas leakage bring wind peculiar to vessel
Dangerous problem meets ship inspection laws and regulations requirement.
Detailed description of the invention
Fig. 1 is shown according to the structure of the gas supply of dual-fuel engine system peculiar to vessel of the utility model first embodiment
It is intended to.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1, according to the tool of the gas supply of dual-fuel engine system peculiar to vessel of the preferred embodiment in the utility model
Body structure includes: valve module air supply unit cabinet 1, methane oxidizing archaea monitoring sensor 2, gas inlet bimetallic tube 3, injection valve shielding
The ventilative bimetallic tube 7 of case 4, fresh wind tube 5, gas inlet connected double-layer pipe 6 and combustion gas.
Specifically, valve module air supply unit cabinet 1 offers gas leakage ventilation mouth 8, for wearing permeability cell；Methane
Leak supervision sensor 2 is laid on valve module air supply unit cabinet 1.The first pressure is laid in valve module air supply unit cabinet 1
Power table, pressure regulator valve, combustion gas filter, second pressure gauge and shut-off valve.
One end of valve module air supply unit cabinet 1 is arranged in gas inlet bimetallic tube 3, and outer tube and valve module gas supply are single
The inner cavity of first cabinet 1 is connected to, and inner tube is the first gas inlet pipe.
Gas inlet connected double-layer pipe 6 is arranged in the other end of valve module air supply unit cabinet 1, one end of outer tube with
The inner cavity of valve module air supply unit cabinet 1 is connected to, and inner tube is the second gas inlet pipe, one end of second gas inlet pipe with
First gas inlet pipe of gas inlet bimetallic tube 3 connects, first pressure gauge, pressure regulator valve, combustion gas filter, second pressure gauge and
Shut-off valve is laid between the second gas inlet pipe and the first gas inlet pipe, is provided between second pressure gauge and shut-off valve
Tracheae is provided with the first vent valve on the permeability cell, and is pierced by by gas leakage ventilation mouth 8.
Injection valve is provided in injection valve shielded box 4, injection valve is laid in the second combustion gas of gas inlet connected double-layer pipe 6
In air inlet pipe, the inner cavity of the injection valve shielded box 4 is connected to the other end of 6 outer tube of gas inlet connected double-layer pipe.
One end of ventilative 7 outer tube of bimetallic tube of combustion gas is connected to the inner cavity of injection valve shielded box 4, and the other end and valve module supply
The inner cavity of gas unit box 1 is connected to；Combustion gas breathe freely bimetallic tube 7 inner tube be combustion gas permeability cell, one end of combustion gas permeability cell with
The other end of second gas inlet pipe of gas inlet connected double-layer pipe 6 connects.The other end and permeability cell of combustion gas permeability cell connect
It connects, and is provided with the second vent valve.
Preferably, the first vent valve and the second vent valve are pneumatic operated valve.
Preferably, shut-off valve is pneumatic operated valve.
Preferably, the air inlet 9 of the first vent valve, the second vent valve and shut-off valve is laid in valve module air supply unit cabinet
1 top.
Fresh wind tube 5 is laid on injection valve shielded box 4, and one end is connected to the inner cavity of injection valve shielded box 4, the other end with
Ship exhausting system is connected.
When the engine operates, ship control system control main fuel stop valve and (pneumatic) opening of shut-off valve, first thoroughly
Air valve (pneumatic) and (pneumatic) closing of the second vent valve, combustion gas pass through the first gas inlet pipe, the second gas inlet pipe flow direction hair
Injection valve on motivation inlet manifold.Injection valve is controlled by ECU, and combustion gas is sprayed into engine inlets and is mixed with air, so
Enter engine afterwards.When engine is shut down, ship control system controls main fuel stop valve and (pneumatic) closing of shut-off valve, the
One vent valve (pneumatic) and the second vent valve is (pneumatic) opens, the remaining combustion gas in pipeline is under pressure, by combustion gas
Permeability cell and permeability cell discharge.
Valve module air supply unit cabinet 1 and injection valve shielded box 4 and fuel gas supply pipeline constitute two-layer pipe, with ship
Exhausting system is connected.When fuel leaks, when concentration reaches methane concentration detector setting value, which issues report
Alert signal is alarmed to instrument.Meanwhile the Some gases of leakage are extracted cabin with exhausting system, guarantee cabin safety.
To sum up, the valve module air supply unit cabinet and injection valve shielded box of the gas supply of dual-fuel engine system peculiar to vessel
Two-layer pipe is constituted with fuel gas supply pipeline, is connected with ship exhausting system.When fuel leaks, concentration reaches first
When alkane concentrations detectors setting value, which issues alarm signal to instrument, alarms.Meanwhile the Some gases of leakage
With exhausting system, it is extracted cabin, guarantees cabin safety, can effectively solve the problem that dual fuel engine air supply system gas leakage band peculiar to vessel
The risk problem come meets ship inspection laws and regulations requirement.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (5)
1. a kind of gas supply of dual-fuel engine system peculiar to vessel characterized by comprising
Valve module air supply unit cabinet, is laid with methane oxidizing archaea monitoring sensor；Cloth in the valve module air supply unit cabinet
Equipped with first pressure gauge, pressure regulator valve, combustion gas filter, second pressure gauge and shut-off valve；
Gas inlet bimetallic tube, is arranged in one end of the valve module air supply unit cabinet, the gas inlet bimetallic tube it is outer
Layer pipe is connected to the inner cavity of valve module air supply unit cabinet, and inner tube is the first gas inlet pipe；
The other end of the valve module air supply unit cabinet, gas inlet connection is arranged in gas inlet connected double-layer pipe
One end of the outer tube of bimetallic tube is connected to the inner cavity of valve module air supply unit cabinet, and inner tube is the second gas inlet pipe, should
One end of second gas inlet pipe is connect with the first gas inlet pipe of gas inlet bimetallic tube, the first pressure gauge, pressure regulation
Valve, combustion gas filter, second pressure gauge and shut-off valve are laid between the second gas inlet pipe and the first gas inlet pipe, and second
It is provided with permeability cell between pressure gauge and shut-off valve, the first vent valve is provided on the permeability cell；
Injection valve shielded box, is arranged inside injection valve, injection valve be laid in the second combustion gas of gas inlet connected double-layer pipe into
On tracheae, the inner cavity of the injection valve shielded box is connected to the other end of gas inlet connected double-layer outer tube layer pipe；
Combustion gas is breathed freely bimetallic tube, and one end of outer tube is connected to the inner cavity of injection valve shielded box, and the other end and valve module supply
The inner cavity of unit box is connected to；The combustion gas breathe freely bimetallic tube inner tube be combustion gas permeability cell, one end of combustion gas permeability cell with
The other end of second gas inlet pipe of gas inlet connected double-layer pipe connects, and the other end is connect with permeability cell, and is provided with the
Two vent valves；And
Fresh wind tube is laid on injection valve shielded box, and one end of the fresh wind tube is connected to the inner cavity of injection valve shielded box, another
End is connected with ship exhausting system.
2. gas supply of dual-fuel engine system peculiar to vessel as described in claim 1, which is characterized in that the valve module gas supply
Unit box offers gas leakage ventilation mouth, for wearing permeability cell.
3. gas supply of dual-fuel engine system peculiar to vessel as described in claim 1, which is characterized in that first vent valve
It is pneumatic operated valve with the second vent valve.
4. gas supply of dual-fuel engine system peculiar to vessel as claimed in claim 3, which is characterized in that the shut-off valve is gas
Dynamic valve.
5. gas supply of dual-fuel engine system peculiar to vessel as claimed in claim 4, which is characterized in that described first is ventilative
The air inlet of valve, the second vent valve and shut-off valve is laid in the top of valve module air supply unit cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920203464.0U CN209458021U (en) | 2019-02-15 | 2019-02-15 | Gas supply of dual-fuel engine system peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920203464.0U CN209458021U (en) | 2019-02-15 | 2019-02-15 | Gas supply of dual-fuel engine system peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458021U true CN209458021U (en) | 2019-10-01 |
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ID=68046689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920203464.0U Active CN209458021U (en) | 2019-02-15 | 2019-02-15 | Gas supply of dual-fuel engine system peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250863A (en) * | 2021-05-10 | 2021-08-13 | 河南柴油机重工有限责任公司 | High-pressure and pressure-stabilizing injection system of marine gas engine and control method |
-
2019
- 2019-02-15 CN CN201920203464.0U patent/CN209458021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250863A (en) * | 2021-05-10 | 2021-08-13 | 河南柴油机重工有限责任公司 | High-pressure and pressure-stabilizing injection system of marine gas engine and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230118 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: 537005 No. 88 flyover West Road, the Guangxi Zhuang Autonomous Region, Yulin Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |