CN109681350A - Low-pressure fuel gas engine supplies valve module - Google Patents
Low-pressure fuel gas engine supplies valve module Download PDFInfo
- Publication number
- CN109681350A CN109681350A CN201910117067.6A CN201910117067A CN109681350A CN 109681350 A CN109681350 A CN 109681350A CN 201910117067 A CN201910117067 A CN 201910117067A CN 109681350 A CN109681350 A CN 109681350A
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- CN
- China
- Prior art keywords
- valve
- pressure
- gas
- low
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0227—Means to treat or clean gaseous fuels or fuel systems, e.g. removal of tar, cracking, reforming or enriching
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0242—Shut-off valves; Check valves; Safety valves; Pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0293—Safety devices; Fail-safe measures
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses a kind of low-pressure fuel gas engines to supply valve module.The low-pressure fuel gas engine supplies valve module, comprising: manual gas cut off valve, import is as fuel gas inlet；Combustion gas filter is connect with the outlet of the manual gas cut off valve；Combustion gas electromagnetic shut-off valve, one end are connect by connecting tube with the combustion gas filter；First pressure detection device is arranged in the connecting tube；Fire arrester, front end are connect with the other end of the combustion gas electromagnetic shut-off valve；Pressure regulator valve, front end setting are connect with the rear end of the fire arrester；Air inlet tube is connect with the rear end of the pressure regulator valve；And second pressure detection device, it is arranged on the air inlet tube.The low-pressure fuel gas engine steam supply valve assembly function is complete, and reasonable price has a wide range of application, and fully meets the gas supply demand of gas engine.
Description
Technical field
The present invention relates to engine arts, supply valve module especially with regard to a kind of low-pressure fuel gas engine.
Background technique
Low-pressure fuel gas engine be generally used for gas source be natural gas, biogas, gas etc. be generator station, petrochemical industry and
The industries such as cultivation industry, essentially four-stroke machine, since gaseous-pressure is relatively low, after supercharging equipment is expensive and pressure rise
Requirement promotion to pipeline and components also results in increased costs, does not use list after the higher pressurization of demand gaseous-pressure generally
The schemes such as point injection or in-cylinder direct-jet, premix air inlet scheme before generally using pressurization.
For low-pressure fuel gas engine, general medium-and-large-sized low-pressure fuel gas engine since complete machine cost and price are all higher,
Inlet system, the more mature reliability of system are generally used, but components are expensive, after-sale service long period.It is domestic
Engine producer or generating set producer are also starting to develop low-pressure fuel gas engine, medium and small h type engine h currently on the market
Gas burning system configuration has the drawback that 1, general configuration feature is simple: many gas supply system valveless group parts are only adjusted
Pressure valve, some only have filter and pressure regulator valve, and system function is simple, there are hidden danger for reliability etc.；2, for middle-size and small-size hair
For the general gas supply system components of motivation using being threadedly coupled, installation is inconvenient, and the relative position of different parts is difficult to ensure,
It is unfavorable for dismounting maintenance, and there are gas leakage hidden danger.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of simple and reasonable low-pressure fuel gas engines to supply valve module, the low pressure
Gas engine steam supply valve assembly function is complete, and reasonable price has a wide range of application, and the gas supply for fully meeting gas engine needs
It asks.
To achieve the above object, the present invention provides a kind of low-pressure fuel gas engines to supply valve module, comprising: manual combustion gas
Stop valve, import is as fuel gas inlet；Combustion gas filter is connect with the outlet of the manual gas cut off valve；Combustion gas electricity
Magnetic stop valve, one end are connect by connecting tube with the combustion gas filter；First pressure detection device is arranged in the company
On adapter tube；Fire arrester, front end are connect with the other end of the combustion gas electromagnetic shut-off valve；Pressure regulator valve, front end setting with it is described
The rear end of fire arrester connects；Air inlet tube is connect with the rear end of the pressure regulator valve；And second pressure detection device, it sets
It sets on the air inlet tube.
In a preferred embodiment, manual gas cut off valve, combustion gas filter, connecting tube, combustion gas electromagnetic shut-off valve,
The connection type that flange and gasket are bolted is all made of between fire arrester, pressure regulator valve and air inlet tube.
In a preferred embodiment, first pressure detection device is gas pressure gage or pressure sensor.
In a preferred embodiment, second pressure detection device is gas pressure gage or pressure sensor.
In a preferred embodiment, low-pressure fuel gas engine gas supply valve module is arranged on the pedestal of generating set.
Compared with prior art, low-pressure fuel gas engine gas supply valve module according to the present invention has the following beneficial effects:
Low-pressure fuel gas engine gas supply valve module can be used in the kinds of gas sources such as natural gas, gas, oil field gas, biogas, have
The functions such as on-off, filtering, pressure regulation, the back-fire relief of combustion gas, multiple functional, reasonable price has a wide range of application, and fully meets combustion gas and starts
The gas supply demand of machine.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the low-pressure fuel gas engine gas supply valve module of first embodiment according to the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range 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, the specific structure packet of low-pressure fuel gas engine gas supply valve module according to the preferred embodiment of the invention
It includes: manual gas cut off valve 1, combustion gas filter 2, connecting tube 3, first pressure detection device 4, combustion gas electromagnetic shut-off valve 5, back-fire relief
Device 6, pressure regulator valve 7, air inlet tube 8 and second pressure detection device 9.Wherein, combustion gas enters from manual gas cut off valve 1, passes through
Combustion gas filter 2 filters, and then electromagnetic shut-off valve 5 is passed through in combustion gas, is configured with fire arrester 6 after electromagnetic shut-off valve 5, after fire arrester 6
It is provided with pressure regulator valve 7, the pressure for adjusting combustion gas is allowed to meet the admission pressure requirement of system, the pressure after pressure regulation can be confirmed in this way
Whether in normally-pressured neighbor, low-pressure fuel gas engine gas supply valve module can be used in natural gas, gas, petroleum association to power
The kinds of gas sources such as gas, biogas have the function of on-off, filtering, pressure regulation, back-fire relief of combustion gas etc., multiple functional, reasonable price, application
Range is wide.
Specifically, the import of manual gas cut off valve 1 enters as fuel gas inlet, combustion gas from manual gas cut off valve 1
Low-pressure fuel gas engine supplies valve module.
Combustion gas filter 2 is connect with the outlet of manual gas cut off valve 1, is entered for filtering from manual gas cut off valve 1
Combustion gas.
One end of combustion gas electromagnetic shut-off valve 5 is connect by connecting tube 3 with combustion gas filter 2, while being configured with hand off
Valve and electromagnetic shut-off valve, conducive to the intelligent automatic control of generating set.
First pressure detection device 4 is arranged in connecting tube 3, can check combustion gas by first pressure detection device 4
Pressure determine gaseous-pressure whether meet demand.
The front end of fire arrester 6 is connect with the other end of combustion gas electromagnetic shut-off valve 5, and fire arrester is configured with after electromagnetic shut-off valve 5
6, it can effectively prevent external flame and alter in pipeline or flame is prevented to spread in pipeline enclosure.
The front end of pressure regulator valve 7 is connect with the rear end of fire arrester 6, and the pressure for adjusting combustion gas is allowed to meet the air inlet of system
Pressure requirements.
Preferably, first pressure detection device 4 and second pressure detection device 9 are gas pressure gage or pressure sensor,
Facilitate the intelligent automatic control of control system.
Air inlet tube 8 is connect with the rear end of pressure regulator valve 7, and second pressure detection device 9 is arranged on air inlet tube 8, is being adjusted
It is provided with second pressure detection device 9 after pressure valve 7, whether the pressure after pressure regulation can be confirmed in this way is in normally-pressured neighbor
It is interior.
Preferably, manual gas cut off valve 1, combustion gas filter 2, connecting tube 3, combustion gas electromagnetic shut-off valve 5, fire arrester 6, tune
The connection type that flange and gasket are bolted is all made of between pressure valve 7 and air inlet tube 8, sealing effect is good, assembly and disassembly side
Just, beautiful and generous.
Combustion gas trend are as follows:
Combustion gas → manual gas cut off valve → combustion gas filter → combustion gas electromagnetic shut-off valve → fire arrester → pressure regulator valve → hair
Motivation air inlet, the position of fire arrester can according to need to be exchanged with pressure regulator valve.
Combustion gas enters from manual gas cut off valve 1, filters by combustion gas filter 2, is provided with first after combustion gas filter
Pressure-detecting device 4 can check that the pressure of combustion gas determines whether gaseous-pressure meets need by first pressure detection device 4
It asks, then electromagnetic shut-off valve 5 is passed through in combustion gas, is configured with fire arrester 6 after electromagnetic shut-off valve 5, be can effectively prevent external flame and alter pipe
In road and flame is prevented to spread in pipeline enclosure.Pressure regulator valve 7 is provided with after fire arrester 6, the pressure for adjusting combustion gas is allowed to meet system
Admission pressure requirement, second pressure detection device 9, the pressure after pressure regulation can be confirmed in this way are provided with after pressure regulator valve 7
Whether in normally-pressured neighbor, the combustion gas that pressure requirements are met after being adjusted is sufficiently mixed with air in a mixer
Enter booster afterwards, cylinder combustion is entered after cold in overcompression.
To sum up, low-pressure fuel gas engine gas supply valve module can be used in natural gas, gas, oil field gas, biogas etc.
Kinds of gas sources has the function of on-off, filtering, pressure regulation, back-fire relief of combustion gas etc., and multiple functional, reasonable price has a wide range of application, complete
The gas supply demand of full up foot gas engine.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (5)
1. a kind of low-pressure fuel gas engine supplies valve module characterized by comprising
Manual gas cut off valve, import is as fuel gas inlet；
Combustion gas filter is connect with the outlet of the manual gas cut off valve；
Combustion gas electromagnetic shut-off valve, one end are connect by connecting tube with the combustion gas filter；
First pressure detection device is arranged in the connecting tube；
Fire arrester, front end are connect with the other end of the combustion gas electromagnetic shut-off valve；
Pressure regulator valve, front end setting are connect with the rear end of the fire arrester；
Air inlet tube is connect with the rear end of the pressure regulator valve；And
Second pressure detection device is arranged on the air inlet tube.
2. low-pressure fuel gas engine as described in claim 1 supplies valve module, which is characterized in that the manual fuel gas shutoff
Flange and pad are all made of between valve, combustion gas filter, connecting tube, combustion gas electromagnetic shut-off valve, fire arrester, pressure regulator valve and air inlet tube
The connection type that piece is bolted.
3. low-pressure fuel gas engine as claimed in claim 2 supplies valve module, which is characterized in that the first pressure detection dress
It is set to gas pressure gage or pressure sensor.
4. low-pressure fuel gas engine as claimed in claim 3 supplies valve module, which is characterized in that the second pressure detection dress
It is set to gas pressure gage or pressure sensor.
5. low-pressure fuel gas engine as described in claim 1 supplies valve module, which is characterized in that the low-pressure fuel gas engine
Gas supply valve module is arranged on the pedestal of generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117067.6A CN109681350A (en) | 2019-02-15 | 2019-02-15 | Low-pressure fuel gas engine supplies valve module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910117067.6A CN109681350A (en) | 2019-02-15 | 2019-02-15 | Low-pressure fuel gas engine supplies valve module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109681350A true CN109681350A (en) | 2019-04-26 |
Family
ID=66195969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910117067.6A Pending CN109681350A (en) | 2019-02-15 | 2019-02-15 | Low-pressure fuel gas engine supplies valve module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681350A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2866854Y (en) * | 2006-01-06 | 2007-02-07 | 汤洪辉 | Refuse fill burying marsh gas power generating device |
| CN101666264A (en) * | 2008-09-07 | 2010-03-10 | 胜利油田胜利动力机械集团有限公司 | Piston reciprocating type low-concentration gas generator set |
| CN203321700U (en) * | 2013-03-26 | 2013-12-04 | 广州柴油机厂股份有限公司 | Fuel gas feeding device of gas engine |
| CN205101140U (en) * | 2015-11-19 | 2016-03-23 | 山东大学 | Explosion -proof air feeder of low concentration coal bed gas engine |
| CN207261123U (en) * | 2017-08-24 | 2018-04-20 | 中国石油化工股份有限公司 | A kind of gas electricity generator gas handling system |
-
2019
- 2019-02-15 CN CN201910117067.6A patent/CN109681350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2866854Y (en) * | 2006-01-06 | 2007-02-07 | 汤洪辉 | Refuse fill burying marsh gas power generating device |
| CN101666264A (en) * | 2008-09-07 | 2010-03-10 | 胜利油田胜利动力机械集团有限公司 | Piston reciprocating type low-concentration gas generator set |
| CN203321700U (en) * | 2013-03-26 | 2013-12-04 | 广州柴油机厂股份有限公司 | Fuel gas feeding device of gas engine |
| CN205101140U (en) * | 2015-11-19 | 2016-03-23 | 山东大学 | Explosion -proof air feeder of low concentration coal bed gas engine |
| CN207261123U (en) * | 2017-08-24 | 2018-04-20 | 中国石油化工股份有限公司 | A kind of gas electricity generator gas handling system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190426 |