CN206903771U - A kind of GVU devices - Google Patents
A kind of GVU devices Download PDFInfo
- Publication number
- CN206903771U CN206903771U CN201720656226.6U CN201720656226U CN206903771U CN 206903771 U CN206903771 U CN 206903771U CN 201720656226 U CN201720656226 U CN 201720656226U CN 206903771 U CN206903771 U CN 206903771U
- Authority
- CN
- China
- Prior art keywords
- tracheae
- operated valve
- gvu
- pneumatic operated
- gaseous fuel
- 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
- 239000007789 gas Substances 0.000 claims abstract description 44
- 239000002737 fuel gas Substances 0.000 claims abstract description 30
- 239000000446 fuel Substances 0.000 claims abstract description 24
- 239000000567 combustion gas Substances 0.000 claims abstract description 21
- 230000002000 scavenging effect Effects 0.000 claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000002283 diesel fuel Substances 0.000 description 5
- 238000005183 dynamical system Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses a kind of GVU devices, including GVU shielded boxes, first tracheae and the second tracheae, also include the gaseous fuel air inlet being arranged on GVU shielded boxes, gaseous fuel gas outlet and scavenging gas outlet, the pressure regulator being arranged in shielded box, combustion gas cleaner, first pneumatic operated valve and the second pneumatic operated valve, the gaseous fuel air inlet by the first tracheae successively with pressure regulator, combustion gas cleaner, first pneumatic operated valve connects with gaseous fuel gas outlet, the scavenging gas outlet is connected with the second pneumatic operated valve and the first tracheae successively by the second tracheae, second tracheae and the first tracheae tie point are between combustion gas cleaner and the first pneumatic operated valve.Safety and stability can be effectively improved by the utility model, improve Automated condtrol precision.
Description
Technical field
It the utility model is related to engine art, more particularly to a kind of GVU devices.
Background technology
For China's dynamical system peculiar to vessel mainly using diesel oil as power source, diesel oil was the fuel in short supply in China in recent years at present,
The energy using diesel oil as dynamical system peculiar to vessel, the economic development situation in China is neither adapted to, particularly in diesel oil supply increasingly
In the case that nervous and demand increases sharply, it will necessarily cause that diesel-fuel price is constantly soaring and operation cost improves constantly, more
For it is important that the energy-saving and emission-reduction requirement of country's proposition can not be reached.The supply process of gaseous fuel in dynamical system peculiar to vessel,
Due to the particularity of gas, supply with high safety is the extremely important ring of energy supply process, therefore it is engine often to select GVU
Gas valve terminal carries out supply control, but existing GVU is relatively simple in structure and function and is controlled for mechanization, from
Dynamicization degree is low, it is unstable in security performance and can not meet to gaseous fuel filtering, pressure regulation the needs of.
Utility model content
The purpose of this utility model is to provide a kind of GVU devices, can effectively improve safety and stability, improves automatic
Change control accuracy.
To realize the purpose, there is provided a kind of GVU devices, including GVU shielded boxes, the first tracheae and the second tracheae, also wrap
The gaseous fuel air inlet being arranged on GVU shielded boxes, gaseous fuel gas outlet and scavenging gas outlet are included, is arranged at GVU shieldings
Pressure regulator, combustion gas cleaner, the first pneumatic operated valve and the second pneumatic operated valve, the gaseous fuel air inlet in case pass through the first tracheae
It is connected successively with pressure regulator, combustion gas cleaner, the first pneumatic operated valve and gaseous fuel gas outlet, the scavenging gas outlet passes through second
Tracheae is connected with the second pneumatic operated valve and the first tracheae successively, and second tracheae and the first tracheae tie point are between combustion gas cleaner
And first between pneumatic operated valve.
Preferably, the gaseous fuel gas outlet is connected by the second Double layer pipeline with blender, second bimetallic tube
On the outside of road be air pipe line and nexine is fuel gas pipeline, and the gaseous fuel gas outlet passes through the second ventilation flange and second pair
The air pipe line connection of layer pipeline, the fuel gas pipeline of second Double layer pipeline are connected with the first tracheae.
Preferably, the gaseous fuel air inlet is connected to cabin, first Double layer pipeline by the first Double layer pipeline
Outside be air pipe line and nexine is fuel gas pipeline, one end of the air pipe line of first Double layer pipeline is connected with cabin
And the other end is with passing through the first ventilation flange and gaseous fuel air inlet, one end of the fuel gas pipeline of first Double layer pipeline
It is connected through cabin with the 3rd pneumatic operated valve being arranged on outside cabin and the other end is connected with the first tracheae.
Preferably, the device also includes the 3rd tracheae and the 4th pneumatic operated valve being arranged on the 3rd tracheae, and the described 3rd
One end of tracheae is connected with the Gas Pipe of the first Double layer pipeline and the other end is connected with source nitrogen.
Preferably, the pneumatic valve control unit, VCU being connected with control unit of engine is provided with outside the GVU shielded boxes, it is described
Pneumatic valve control unit, VCU is connected with the first pneumatic operated valve, the second pneumatic operated valve, the 3rd pneumatic operated valve and the 4th pneumatic operated valve.
Preferably, pressure transmitter and pressure inverting are provided between the gaseous fuel air inlet and the first pneumatic operated valve
The control unit of device and engine is connected, and gas leakage sensor is additionally provided with the GVU shielded boxes and gas leakage passes
Sensor is connected with pneumatic valve control unit, VCU.
Compared with prior art, its advantage is the utility model：
The utility model by the coordinated signals of the first pneumatic operated valve, the second pneumatic operated valve, the 3rd pneumatic operated valve and the 4th pneumatic operated valve,
Safety and stability can be effectively improved, improves Automated condtrol precision.In the utility model, by the gas on GVU shielded boxes
Fluid fuel air inlet, gaseous fuel gas outlet are passed through air by Double layer pipeline connection, when a certain junction is fired in casing
During gas leakage, combustion gas can be taken away outside cabin by Double layer pipeline outer layer channel, gas leakage can be prevented in cabin
Portion, trigger potential dangerous.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the utility model external structure schematic diagram.
Embodiment
With reference to embodiment, the utility model will be further described, but does not form to of the present utility model any
Limitation, the modification of any limited number of time made in the utility model claims scope, still in claim of the present utility model
In the range of.
As shown in Figure 1 and Figure 2, the utility model provides a kind of GVU devices, including GVU shielded boxes 1, the and of the first tracheae 91
Second tracheae 92, in addition to the gaseous fuel air inlet 2, gaseous fuel gas outlet 3 and the scavenging that are arranged on GVU shielded boxes 1 go out
Gas port 4, pressure regulator 5, combustion gas cleaner 6, the first pneumatic operated valve 7 and the second pneumatic operated valve 8 being arranged in GVU shielded boxes 1, gas combustion
Expect air inlet 2 by the first tracheae 91 successively with pressure regulator 5, combustion gas cleaner 6, the first pneumatic operated valve 7 and gaseous fuel gas outlet 3
Connection, scavenging gas outlet 4 is connected with the second pneumatic operated valve 8 and the first tracheae 91 successively by the second tracheae 92, the second tracheae 92 with
The tie point of first tracheae 91 is between the pneumatic operated valve 7 of combustion gas cleaner 6 and first.The pneumatic operated valve 7 of gaseous fuel air inlet 2 and first
Between be provided with pressure transmitter 13 and pressure transmitter 13 is connected with the control unit of engine, also set in GVU shielded boxes 1
It is equipped with gas leakage sensor and gas leakage sensor is connected with pneumatic valve control unit, VCU.
In the present embodiment, the overall construction design of GVU shielded boxes 1 is welded using 3mm steel plates, and its end cap uses silicon
Rubber sheet gasket seals, and the design pressure of GVU shielded boxes 1 and its inner components is all higher than being equal to 1.5 times of operating pressures.GVU screens
It is anti-explosion pressure transmitter to cover the internal pressure transmitter 13 of case 1, will not trigger guarantee risk because spark is produced, pressure becomes
Device 13 is sent to be arranged between the pneumatic operated valve 7 of combustion gas cleaner 6 and first.The overall volume of GVU shielded boxes 1 is less than 2m3.Gas leakage passes
Sensor is arranged on Distance Ventilation mouth flange about 100mm~150mm position, and gas inlet pipe is the first tracheae 91 inside face
Surface, sensor probe installs downwards.When internal combustion gas leaks, alarm can be produced, is concurrently delivered letters
Pneumatic valve control unit, VCU control interlock valve number is set to produce corresponding safeguard measure.
Gaseous fuel gas outlet 3 is connected by the second Double layer pipeline 93 with blender 14, and the outside of the second Double layer pipeline 93 is
Air pipe line and nexine are fuel gas pipeline, and gaseous fuel gas outlet 3 passes through the second ventilation flange (31) and the second Double layer pipeline
93 air pipe line connection, the fuel gas pipeline of the second Double layer pipeline 93 are connected with the first tracheae 91.Gaseous fuel air inlet 2 passes through
First Double layer pipeline 94 is connected to cabin, and the outside of the first Double layer pipeline 94 is air pipe line and nexine is fuel gas pipeline, the
One end of the air pipe line of pair of lamina pipeline 94 be connected with cabin and the other end with by the first ventilation flange (21) and gas
Fuel air mouth 2, one end of the fuel gas pipeline of the first Double layer pipeline 94 pass through cabin and the 3rd pneumatic operated valve being arranged on outside cabin
10 connection and the other end be connected with the first tracheae 91.
In the present embodiment, the fuel gas pipeline of the second Double layer pipeline 93 can be connected or welded by flange with the first tracheae 91
It is connected into one, the fuel gas pipeline of the first Double layer pipeline 94 can be connected or integrally welded with the first tracheae 91 by flange.
The device also includes the 3rd tracheae 95 and the 4th pneumatic operated valve 11 being arranged on the 3rd tracheae 95, the 3rd tracheae 95
One end be connected with the Gas Pipe of the first Double layer pipeline 94 and the other end is connected with source nitrogen.Be provided with outside GVU shielded boxes 1 with
The pneumatic valve control unit, VCU of control unit of engine connection, pneumatic valve control unit, VCU and the first pneumatic operated valve 7, the second pneumatic operated valve 8, the
Three pneumatic operated valves 10 and the 4th pneumatic operated valve 11 connect.
In the present embodiment, 3 position-5 way magnetic valve is provided with pneumatic valve control unit, VCU to be controlled pneumatic operated valve.
Hand control valve 12 is additionally provided between 3rd pneumatic operated valve 10 and gaseous fuel air accumulator.During maintenance, manual control can be first closed
Valve 12, is then repaired to GVU and engine.
The utility model additionally provides a kind of control method of GVU devices, before an engine is started, is passed through into Gas Pipe
Nitrogen drains the remaining combustion gas in Gas Pipe；When having started to start, stopping is passed through nitrogen, then combustion is passed through into Gas Pipe
Gas.
When nitrogen is passed through into Gas Pipe, the 3rd pneumatic operated valve 10 at control gas inlet end and GVU device gas outlets end
The first pneumatic operated valve 7 close, enter the 4th pneumatic operated valve 11 at nitrogen end and second pneumatic operated valve 8 at scavenging end opened；Into Gas Pipe
It is passed through to control during combustion gas and is closed into the 4th pneumatic operated valve 11 at nitrogen end and second pneumatic operated valve 8 at scavenging end, the of gas inlet end
Three pneumatic operated valves 10 and first pneumatic operated valve 7 at GVU device gas outlets end are opened.
3rd pneumatic operated valve 10 at gas inlet end, first pneumatic operated valve 7 at GVU device gas outlets end, enter nitrogen end
Four pneumatic operated valves 11 and second pneumatic operated valve 8 at scavenging end carry out coordinated signals.
GVU device gas outlet ends are passed through air and first pair that passes through gas inlet end by the second Double layer pipeline 93
Layer pipeline 94 discharges air.
In the present embodiment, gaseous fuel air inlet 2, gaseous fuel gas outlet 3 are connected by Double layer pipeline, and air passes through
Gaseous fuel gas outlet 3 enters GVU devices and excluded by gaseous fuel air inlet 2 to outside cabin, forms exhausting loop.
The workflow of the present embodiment, before an engine is started, the 3rd pneumatic operated valve 10 is controlled by pneumatic valve control unit, VCU
Closed with the first pneumatic operated valve 7, the 4th pneumatic operated valve 11 and the second pneumatic operated valve 8 are opened, and nitrogen is passed through the remaining combustion gas in Gas Pipe
Drain, when having started to start, stopping is closed by empty 4th pneumatic operated valve 11 of pneumatic valve control unit, VCU and the second pneumatic operated valve 8 and is passed through
Nitrogen, and control the 3rd pneumatic operated valve 10 and the first pneumatic operated valve 7 to open by pneumatic valve control unit, VCU, so as to be passed through into Gas Pipe
Combustion gas；Air enters GVU shielded boxes 1 by gaseous fuel gas outlet 3 and excluded by gaseous fuel air inlet 2 to outside cabin,
Exhausting loop is formed, if when gas leakage occurs in casing, the combustion gas that will leak out in time excludes.
Safety and stability can be effectively improved by the utility model, improve Automated condtrol precision.
It the above is only preferred embodiment of the present utility model, it should be pointed out that for those skilled in the art,
On the premise of not departing from the utility model structure, several modifications and improvements can also be made, these are new all without this practicality is influenceed
The effect and practical applicability that type is implemented.
Claims (6)
1. a kind of GVU devices, including GVU shielded boxes (1), the first tracheae (91) and the second tracheae (92), it is characterised in that：Also wrap
The gaseous fuel air inlet (2) being arranged on GVU shielded boxes (1), gaseous fuel gas outlet (3) and scavenging gas outlet (4) are included, if
Pressure regulator (5), combustion gas cleaner (6), the first pneumatic operated valve (7) and the second pneumatic operated valve (8) being placed in GVU shielded boxes (1), it is described
Gaseous fuel air inlet (2) by the first tracheae (91) successively with pressure regulator (5), combustion gas cleaner (6), the first pneumatic operated valve (7)
With gaseous fuel gas outlet (3) connect, the scavenging gas outlet (4) by the second tracheae (92) successively with the second pneumatic operated valve (8)
Connected with the first tracheae (91), second tracheae (92) and the first tracheae (91) tie point are between combustion gas cleaner (6) and the
Between one pneumatic operated valve (7).
A kind of 2. GVU devices according to claim 1, it is characterised in that：The gaseous fuel gas outlet (3) passes through second
Double layer pipeline (93) is connected with blender (14), and on the outside of second Double layer pipeline (93) be air pipe line and nexine is combustion gas
Pipeline, the gaseous fuel gas outlet (3) are connected by the air pipe line of the second ventilation flange (31) and the second Double layer pipeline (93)
Connect, the fuel gas pipeline of second Double layer pipeline (93) is connected with the first tracheae (91).
A kind of 3. GVU devices according to claim 1, it is characterised in that：The gaseous fuel air inlet (2) passes through first
Double layer pipeline (94) is connected to cabin, and the outside of first Double layer pipeline (94) is air pipe line and nexine is Gas Pipe
Road, one end of the air pipe line of first Double layer pipeline (94) be connected with cabin and the other end with by first ventilation flange
(21) cabin is passed through with being arranged on gaseous fuel air inlet (2), one end of the fuel gas pipeline of first Double layer pipeline (94)
The connection of the 3rd pneumatic operated valve (10) and the other end outside cabin are connected with the first tracheae (91).
A kind of 4. GVU devices according to claim 3, it is characterised in that：The device also include the 3rd tracheae (95) and
The 4th pneumatic operated valve (11) being arranged on the 3rd tracheae (95), one end and the first Double layer pipeline (94) of the 3rd tracheae (95)
Gas Pipe connection and the other end be connected with source nitrogen.
A kind of 5. GVU devices according to claim 1 or 3 or 4, it is characterised in that：The GVU shielded boxes (1) are set outside
There are the pneumatic valve control unit, VCU being connected with control unit of engine, the pneumatic valve control unit, VCU and the first pneumatic operated valve (7), second
Pneumatic operated valve (8), the 3rd pneumatic operated valve (10) and the connection of the 4th pneumatic operated valve (11).
A kind of 6. GVU devices according to claim 4, it is characterised in that：The gaseous fuel air inlet (2) and the first gas
Pressure transmitter (13) is provided between dynamic valve (7) and pressure transmitter (13) is connected with the control unit of engine, it is described
Gas leakage sensor is additionally provided with GVU shielded boxes (1) and gas leakage sensor is connected with pneumatic valve control unit, VCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656226.6U CN206903771U (en) | 2017-06-07 | 2017-06-07 | A kind of GVU devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656226.6U CN206903771U (en) | 2017-06-07 | 2017-06-07 | A kind of GVU devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206903771U true CN206903771U (en) | 2018-01-19 |
Family
ID=61287179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720656226.6U Active CN206903771U (en) | 2017-06-07 | 2017-06-07 | A kind of GVU devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206903771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143434A (en) * | 2017-06-07 | 2017-09-08 | 广西九壹动力科技有限公司 | A kind of GVU devices and control method |
| CN114033582A (en) * | 2021-11-12 | 2022-02-11 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
| CN115263616A (en) * | 2022-03-22 | 2022-11-01 | 上海新动力汽车科技股份有限公司 | Integrated gas supply unit of natural gas engine for ship |
-
2017
- 2017-06-07 CN CN201720656226.6U patent/CN206903771U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143434A (en) * | 2017-06-07 | 2017-09-08 | 广西九壹动力科技有限公司 | A kind of GVU devices and control method |
| CN114033582A (en) * | 2021-11-12 | 2022-02-11 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
| CN114033582B (en) * | 2021-11-12 | 2023-02-03 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
| CN115263616A (en) * | 2022-03-22 | 2022-11-01 | 上海新动力汽车科技股份有限公司 | Integrated gas supply unit of natural gas engine for ship |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107143434A (en) | A kind of GVU devices and control method | |
| CN206903771U (en) | A kind of GVU devices | |
| CN110220653B (en) | Double-wall pipe air tightness testing tool and testing method | |
| CN107120185A (en) | Gas engine peculiar to vessel | |
| CN202152181U (en) | Oil tank and oil tank truck nitrogen gasbag separation explosion-proof apparatus | |
| CN206019960U (en) | Lift non-return valve work seal detection means | |
| CN205013704U (en) | Electromagnetic valve | |
| CN101509605B (en) | Method for recovering relief gas in process for examining and repairing gas pipe network and device thereof | |
| CN109630258A (en) | Gas supply of dual-fuel engine system peculiar to vessel | |
| CN206038582U (en) | A safe type explosion test testing arrangement for datonation -inhibition effect of water smoke | |
| CN204717358U (en) | Pipeline gas leak detecting device | |
| CN201188052Y (en) | Device for testing transformer wholly | |
| CN205806942U (en) | Gas underground pressure regulator | |
| CN102519681A (en) | Detection method for quality of welding line of sealed container | |
| CN207080283U (en) | Gas engine peculiar to vessel | |
| CN203882772U (en) | Oil conservator of power transformer | |
| CN209727442U (en) | OCV valve air pressure test macro | |
| CN203453168U (en) | Blowout preventer control device with pneumatic pressure testing function | |
| CN107725965B (en) | A method of leakage point between gas trunklines pipeline branch mouth and branch pipeline root valve is blocked from inside | |
| CN206177538U (en) | Large -scale isolation butterfly valve inspection rack of million multikilowatts nuclear power station unit condensate pump entry | |
| CN205938539U (en) | Two fuel -power impel trailing suction hopper dredger's LNG gas pitcher structure | |
| CN203810437U (en) | Modified furnace ignition leakage detecting equipment | |
| CN209458021U (en) | Gas supply of dual-fuel engine system peculiar to vessel | |
| CN209525069U (en) | A kind of steel tube coupling thread seal system safety testing device | |
| CN204941953U (en) | A kind of gas leakage preventing system of gas fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 537000 Fourth Floor of Yuchai Industrial Park Business Building, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Jiuyi Power Technology Co., Ltd. Address before: 537000 No. 3 Danan Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI JIUYI POWER TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |