CN203321700U - Fuel gas feeding device of gas engine - Google Patents
Fuel gas feeding device of gas engine Download PDFInfo
- Publication number
- CN203321700U CN203321700U CN2013201433966U CN201320143396U CN203321700U CN 203321700 U CN203321700 U CN 203321700U CN 2013201433966 U CN2013201433966 U CN 2013201433966U CN 201320143396 U CN201320143396 U CN 201320143396U CN 203321700 U CN203321700 U CN 203321700U
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- China
- Prior art keywords
- valve
- pipe fitting
- pressure
- gas
- fuel gas
- 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.)
- Expired - Fee Related
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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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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model discloses a fuel gas feeding device of a gas engine. The fuel gas feeding device comprises a natural gas inlet, an inlet manual valve, a filter, a pressure regulator, an outlet manual valve and a natural gas outlet which are connected in sequence via pipe fittings, wherein a first control air pipe for inputting external air is laterally connected to the pressure regulator; a control air valve is arranged on the first control air pipe; a first bleeder pipe used for bleeding natural gas is laterally connected to the pipe fitting located between the pressure regulator and the outlet manual valve; a bleeder manual valve is arranged on the first bleeder pipe. The fuel gas feeding device can mix the natural gas and the air in a cylinder and feeds fuel gas to gas cylinders of the gas engine one by one.
Description
Technical field
The utility model relates to the supplementary equipment of gas engine, is specifically related to a kind of fuel gas supply equipment of gas engine.
Background technique
Existing gas engine combustion gas was all carried out with mixing generally of air outside the motor machine, and mixed gas enters each cylinder through the intake manifold of motor to air intake branch.Before mixing, adopt reduction valve to gas pressure-reducing, existing problems are that tempering detonation, poor stability often occur the intake manifold of motor, and each cylinder working lack of homogeneity makes that output power is restricted, dynamic response is poor, the gas consumption rate is high.
The model utility content
Technical problem to be solved in the utility model, just be to provide a kind of fuel gas supply equipment of gas engine, can make rock gas be mixed in cylinder with air, one by one the cylinder of motor carried out to air feed.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of fuel gas supply equipment of gas engine, it is characterized in that: comprise the gas inlet connected successively with pipe fitting, the entrance manually operated valve, filter, pressure governor, outlet manually operated valve and gas outlet, other being connected to for inputting first of outside air of described pressure regulator valve controlled air duct, this the first control air duct is provided with control air valve, other being connected to for diffusing the first exhaust stack of rock gas on pipe fitting between described pressure governor and outlet manually operated valve, this first exhaust stack is provided with and diffuses manually operated valve.By the first control air duct, rock gas being advanced to machine pressure is regulated.
On the basis of the above, the utility model can be done following improvement:
On the first exhaust stack described in the utility model and the pipe fitting of outlet between manually operated valve respectively the other two-way that is connected to control air duct for inputting second of outside air, be connected with respectively stop valve and the first solenoid valve in turn on each the second control air duct, form dual pneumatic emergency cut-off valve.
Two-way second described in the utility model is controlled between air duct and two-way second is controlled equal other being connected to for diffusing the second exhaust stack of rock gas between air duct and outlet pneumatic valve, all with the first exhaust stack, be connected after connecting respectively the second solenoid valve on each second exhaust stack, form dual electromagnetism emergency diffusion valve.
Other being connected to for the first pressure gauge of scene demonstration and the pressure transmitter shown for teletransmission on pipe fitting between entrance manually operated valve described in the utility model and pressure governor; Be connected with the 3rd solenoid valve for telecontrol with pipeline on pipe fitting between described the first exhaust stack and stop valve, the entrance of the 3rd solenoid valve is connected with pipe fitting, and the outlet of the 3rd solenoid valve is connected with the first exhaust stack.
On the entry end of filter described in the utility model and outlet end and be connected to a connecting tube, this connecting tube is provided with differential pressure indicator.
Between control air valve described in the utility model and pressure governor first controlled on air duct to be connected with in turn and controlled air manometer and I/P transducer.
On the entry end of pressure governor described in the utility model and outlet end and be connected to a pressure-equalizing pipe.
On the pipe fitting of gas inlet end described in the utility model and gas outlet end, be equipped with for the companion flange with outside gas pipeline welding.
Be provided with successively pressure gauge and pressure switch on the outlet end pipe fitting of pressure governor described in the utility model.
Pipe fitting described in the utility model is installed on a bearing, is provided with the junction box for described fuel gas supply equipment power supply in this bearing.
Compared with prior art, the utlity model has following beneficial effect:
After the utility model is applied to gas engine, can carry out and filter combustion gas by filter, realize remote monitoring by pressure transmitter, by the pressure governor dynamic voltage adjustment, realize automatic feeding by dual pneumatic emergency cut-off valve, automatically cut off, by dual electromagnetism emergency diffusion valve automatic relief, can make combustion gas mix in cylinder with air, the supply of cylinder one by one combustion gas to gas engine, air inlet pipeline does not have inflammable mixture, avoided the risk of tempering detonation, the independent regulating gas supply of each cylinder is promoted engine output to greatest extent, dynamic response is good, the gas consumption rate is low.
The accompanying drawing explanation
The connection diagram that Fig. 1 is the utility model fuel gas supply equipment.
1, bearing; 21, entrance manually operated valve; 211, companion flange; 22, pressure transmitter; 23, the first pressure gauge; 24, filter; 241, differential pressure indicator; 242, connecting tube; 3, pressure governor; 31, pressure-equalizing pipe; 32, pressure governor; 33, I/P transducer; 34, first control air duct; 35, control air manometer; 36, control air valve; 4111, the first solenoid valve; 4112, second control air duct; 4113, stop valve; 4121, the second solenoid valve; 4122, the second exhaust stack 42, pressure switch; 431, diffuse manually operated valve; 432, the second solenoid valve; 433, the first exhaust stack; 44, pipe fitting; 45, outlet manually operated valve; 451, companion flange; 46, the second pressure gauge; 5, junction box.
Embodiment
The fuel gas supply equipment of a kind of gas engine as shown in Figure 1, comprise the gas inlet, entrance manually operated valve 21, filter 24, pressure governor 32, outlet manually operated valve 45 and the gas outlet that connect successively with pipe fitting 44, pipe fitting 44 is installed on a bearing 1, this bearing 1 is configured to propping up by base, by bearing 1, can make this device be fixed on Huo Chuande deck, ground.
Other being connected to for inputting first of outside air of pressure regulator valve 32 controlled air duct 34, this the first control air duct 34 is provided with control air valve 36, other being connected to for diffusing the first exhaust stack 433 of rock gas on pipe fitting 44 between pressure governor 32 and outlet manually operated valve 45, this first exhaust stack 433 is provided with and diffuses manually operated valve 431 by the current regulation control air valve 36 of 4-20mA, control air pressure, control pressure governor 32 by the control air pressure and carry out regulating gas pressure.Outlet manually operated valve 45, entrance manually operated valve 21 have been realized the manual start stop operation of device.Wherein, filter 24 is set to the high-precision filter that filter precision 5 μ m, filter efficiency are greater than 99%, and clean rock gas can guarantee the upstream device normal operation, is not carried secretly impurity in gas and damages.
On the first exhaust stack 433 and the pipe fitting 44 of outlet between manually operated valve 45 respectively the other two-way that is connected to control air duct 4112 for inputting second of outside air, be connected with respectively stop valve 4113 and the first solenoid valve 4111 in turn on each the second control air duct 4112, form dual pneumatic emergency cut-off valve.Two-way second is controlled between air duct 4112 and two-way second is controlled equal other being connected to for diffusing the second exhaust stack 4122 of rock gas between air duct 4112 and outlet pneumatic valve 45, connect respectively on each second exhaust stack 4122 that the second solenoid valve 432 is rear all to be connected with the first exhaust stack 433, form dual electromagnetism emergency diffusion valve.Dual pneumatic emergency cut-off valve and dual electromagnetism emergency diffusion valve form the interlock valve group.Press the motor service condition; when start; the first solenoid valve 4111 of interlock valve group, the second solenoid valve 4121 are switched on simultaneously; dual pneumatic emergency cut-off valve is controlled after air is connected and is opened, and dual emergency diffusion valve cuts out, during shutdown; the first solenoid valve 4111 of interlock valve group, the second solenoid valve 4121 cut off the power supply simultaneously; dual pneumatic emergency cut-off valve controls the air cut-out and cuts out, and dual emergency diffusion valve is opened, and guarantees that system process pipe when shutting down or debug is on-the-spot without intensive explosion gas.Be provided with successively pressure gauge 46 and pressure switch 42 on the outlet end pipe fitting 44 of pressure governor 32, while after observing pressure gauge 42, knowing overpressure, interlock valve group emergency cut-off source of the gas automatic relief, realize overvoltage protection.
Other being connected to for the first pressure gauge 23 of scene demonstration and the pressure transmitter 22 shown for teletransmission on pipe fitting 44 between entrance manually operated valve 21 and pressure governor 32.The first pressure gauge 23, the working condition of monitoring site equipment, pinpoint the problems and process in time in real time, effectively guarantees the normal operation of upstream device.Be connected with the 3rd solenoid valve 432 for telecontrol with pipeline on pipe fitting 44 between the first exhaust stack 433 and stop valve 4113, the entrance of the 3rd solenoid valve 432 is connected with pipe fitting 44, the outlet of the 3rd solenoid valve 432 is connected with the first exhaust stack 433, during for equipment debugging, maintenance.The second exhaust stack 4122 of interlock valve group, the first exhaust stack 433 converge mutually and outwards discharge, and guarantee that pipeline field is without intensive explosion gas.On the pipe fitting 44 of gas inlet end and gas outlet end, be equipped with for the companion flange 451 with outside gas pipeline welding.
Be provided with the junction box 5 for the fuel gas supply equipment power supply in bearing 1, this junction box 5 is connected with pressure transmitter 22, I/P transducer 33, each solenoid valve, the pressure switch 42 of controller and this device.On the entry end of filter 24 and outlet end and be connected to a connecting tube 242, this connecting tube 242 is provided with differential pressure indicator 241, but Real-Time Monitoring filter 24 working conditions, with timely filter rinsed 24.Between control air valve 36 and pressure governor 32 first controlled on air duct 34 to be connected with in turn and controlled air manometer 35 and I/P transducer 33.On the entry end of pressure governor 32 and outlet end and be connected to a pressure-equalizing pipe 31.Press the motor service condition, monitoring downstream gas pressure scope, used I/P transducer 33 in conjunction with the pressure governor 32 of tunable load pressure, realizing this function.
After the upstream gaseous natural gas enters into this device, pass through respectively gas inlet, entrance manually operated valve 21, high-precision filter 24, pilot valve formula pressure governor 3, dual pneumatic emergency cut-off valve, dual electromagnetism emergency diffusion valve, after outlet manually operated valve 45, gas outlet, enter into gas engine, make this device integrated the pressure regulation of wide range machinery, long-range dual emergency cut-off, high-precision filtration and pressure teletransmission Presentation Function.
Mode of execution of the present utility model is not limited to this; according to foregoing of the present utility model; utilize ordinary skill knowledge and the customary means of related domain; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; the utility model can also be made modification, replacement or the change of other various ways, within all dropping on the utility model rights protection scope.
Claims (11)
1. the fuel gas supply equipment of a gas engine, it is characterized in that: comprise the gas inlet, entrance manually operated valve, filter, pressure governor, outlet manually operated valve and the gas outlet that connect successively with pipe fitting, other being connected to for inputting first of outside air of described pressure regulator valve controlled air duct, this the first control air duct is provided with control air valve, other being connected to for diffusing the first exhaust stack of rock gas on pipe fitting between described pressure governor and outlet manually operated valve, this first exhaust stack is provided with and diffuses manually operated valve.
2. the fuel gas supply equipment of gas engine according to claim 1, it is characterized in that: on described the first exhaust stack and the pipe fitting of outlet between manually operated valve respectively the other two-way that is connected to control air duct for inputting second of outside air, be connected with respectively stop valve and the first solenoid valve in turn on each the second control air duct, form dual pneumatic emergency cut-off valve.
3. the fuel gas supply equipment of gas engine according to claim 2, it is characterized in that: described two-way second is controlled between air duct and two-way second is controlled equal other being connected to for diffusing the second exhaust stack of rock gas between air duct and outlet pneumatic valve, all with the first exhaust stack, be connected after connecting respectively the second solenoid valve on each second exhaust stack, form dual electromagnetism emergency diffusion valve.
4. the fuel gas supply equipment of gas engine according to claim 2, is characterized in that: other being connected to for the first pressure gauge of scene demonstration and the pressure transmitter shown for teletransmission on the pipe fitting between described entrance manually operated valve and pressure governor; Be connected with the 3rd solenoid valve for telecontrol with pipeline on pipe fitting between described the first exhaust stack and stop valve, the entrance of the 3rd solenoid valve is connected with pipe fitting, and the outlet of the 3rd solenoid valve is connected with the first exhaust stack.
5. the fuel gas supply equipment of gas engine according to claim 3, is characterized in that: other being connected to for the first pressure gauge of scene demonstration and the pressure transmitter shown for teletransmission on the pipe fitting between described entrance manually operated valve and pressure governor; Be connected with the 3rd solenoid valve for telecontrol with pipeline on pipe fitting between described the first exhaust stack and stop valve, the entrance of the 3rd solenoid valve is connected with pipe fitting, and the outlet of the 3rd solenoid valve is connected with the first exhaust stack.
6. the fuel gas supply equipment of gas engine according to claim 1 is characterized in that: on the entry end of described filter and outlet end and be connected to a connecting tube, this connecting tube is provided with differential pressure indicator.
7. the fuel gas supply equipment of gas engine according to claim 1, is characterized in that: on the control of first between described control air valve and pressure governor air duct, be connected with in turn and control air manometer and I/P transducer.
8. the fuel gas supply equipment of gas engine according to claim 1 is characterized in that: on the entry end of described pressure governor and outlet end and be connected to a pressure-equalizing pipe.
9. the fuel gas supply equipment of gas engine according to claim 1, is characterized in that: on the pipe fitting of described gas inlet end and gas outlet end, be equipped with for the companion flange with outside gas pipeline welding.
10. according to the fuel gas supply equipment of the described gas engine of claim 1-9 any one, it is characterized in that: on the outlet end pipe fitting of described pressure governor, be provided with successively pressure gauge and pressure switch.
11. the fuel gas supply equipment of gas engine according to claim 1 is characterized in that: described pipe fitting is installed on a bearing, is provided with the junction box for described fuel gas supply equipment power supply in this bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201433966U CN203321700U (en) | 2013-03-26 | 2013-03-26 | Fuel gas feeding device of gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201433966U CN203321700U (en) | 2013-03-26 | 2013-03-26 | Fuel gas feeding device of gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321700U true CN203321700U (en) | 2013-12-04 |
Family
ID=49661059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201433966U Expired - Fee Related CN203321700U (en) | 2013-03-26 | 2013-03-26 | Fuel gas feeding device of gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321700U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466489A (en) * | 2015-12-04 | 2016-04-06 | 天津贝特尔流体控制阀门有限公司 | Pressure-regulating valve safety detection system |
| CN107975676A (en) * | 2017-11-17 | 2018-05-01 | 董人菘 | A kind of long-range regulator using I/P converter |
| CN108104979A (en) * | 2017-11-17 | 2018-06-01 | 广州柴油机厂股份有限公司 | A kind of gas regulating device of gas engine |
| CN109681350A (en) * | 2019-02-15 | 2019-04-26 | 广西玉柴机器股份有限公司 | Low-pressure fuel gas engine supplies valve module |
-
2013
- 2013-03-26 CN CN2013201433966U patent/CN203321700U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105466489A (en) * | 2015-12-04 | 2016-04-06 | 天津贝特尔流体控制阀门有限公司 | Pressure-regulating valve safety detection system |
| CN107975676A (en) * | 2017-11-17 | 2018-05-01 | 董人菘 | A kind of long-range regulator using I/P converter |
| CN108104979A (en) * | 2017-11-17 | 2018-06-01 | 广州柴油机厂股份有限公司 | A kind of gas regulating device of gas engine |
| CN108104979B (en) * | 2017-11-17 | 2019-05-28 | 广州柴油机厂股份有限公司 | A kind of gas regulating device of gas engine |
| CN109681350A (en) * | 2019-02-15 | 2019-04-26 | 广西玉柴机器股份有限公司 | Low-pressure fuel gas engine supplies valve module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20150326 |
|
| EXPY | Termination of patent right or utility model |