CN209523826U - A kind of low pressure steam supply valve group parts - Google Patents
A kind of low pressure steam supply valve group parts Download PDFInfo
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- CN209523826U CN209523826U CN201920287574.XU CN201920287574U CN209523826U CN 209523826 U CN209523826 U CN 209523826U CN 201920287574 U CN201920287574 U CN 201920287574U CN 209523826 U CN209523826 U CN 209523826U
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- combustion gas
- pressure
- valve
- steam supply
- group parts
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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 low pressure steam supply valve group parts, comprising: the air inlet front end of low pressure steam supply valve group parts is arranged in manual gas cut off valve；Combustion gas filter is connected, for filtering combustion gas with manual gas cut off valve；The rear end of combustion gas filter is arranged in first pressure measuring unit, for determining the pressure of combustion gas；The end of low pressure steam supply valve group parts is arranged in zero-pressure valve, is used to adjust the pressure of combustion gas；Wherein, combustion gas electromagnetic shut-off valve and fire arrester are disposed between combustion gas filter and zero-pressure valve, fire arrester is for preventing external flame from scurrying into pipeline and flame being prevented to spread in pipeline enclosure.The low pressure steam supply valve group parts of the utility model are integrated with the on-off of combustion gas, filtering, back-fire relief, and the functions such as pressure regulation, simple structure and reliable sealing is easy for installation, are conducive to follow-up maintenance and maintain.
Description
Technical field
The utility model is about gas engine technical field, especially with regard to a kind of low pressure steam supply valve group parts.
Background technique
Low-pressure fuel gas engine is generally used for load and changes little occasion, such as: power station, petrochemical industry and cultivation
Etc., using the lesser gas source of the admission pressures such as low pressure natural gas, gas, biogas (pressure is within the scope of 0~300kPa), due to
Gaseous-pressure is relatively low, general using premix air inlet scheme before pressurization.For the performance for guaranteeing engine, before low-pressure fuel gas engine
Need to use the steam supply valve group parts for meeting low-pressure fuel gas system air inlet requirement, this low pressure steam supply valve group parts is one
Very crucial components.
Since domestic low-pressure fuel gas engine is being in development phase, low-pressure fuel gas control system and low pressure gas supply valve module
It is not mature enough, low-pressure fuel gas engine currently on the market, the low-pressure fuel gas control system and low pressure of the import generally used
Valve module is supplied, but the steam supply valve group parts of import are expensive, after-sale service long period；If not using the gas supply of import
Valve group component, the configuration of Some Domestic gas supply system have the drawback that 1, configuration feature is simple: Some gases feed system
Valveless group parts, only pressure regulator valve, some only have filter and pressure regulator valve, and system function is simple, there are hidden for reliability etc.
Suffer from；2, parts thereof is using being threadedly coupled, and installation is inconvenient, and the relative position of different parts is difficult to ensure, is unfavorable for dismounting
Maintenance, and there are gas leakage hidden danger.
In view of the above-mentioned problems, the utility model provides a kind of low pressure steam supply valve group parts, the low pressure steam supply valve group parts
Sealing effect is good, is convenient to mount and dismount, beautiful and generous, is not only able to satisfy requirement, but also can reduce cost.
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 low pressure steam supply valve group parts, are capable of the logical of integration realization combustion gas
Disconnected, filtering, back-fire relief, pressure regulation.
To achieve the above object, the utility model provides a kind of low pressure steam supply valve group parts, comprising: manual fuel gas shutoff
The air inlet front end of low pressure steam supply valve group parts is arranged in valve；Combustion gas filter is connected with manual gas cut off valve, uses
In filtering combustion gas；The rear end of combustion gas filter is arranged in first pressure measuring unit, for determining the pressure of combustion gas；Zero-pressure valve,
The end of low pressure steam supply valve group parts is set, is used to adjust the pressure of combustion gas；Wherein, between combustion gas filter and zero-pressure valve
It is disposed with combustion gas electromagnetic shut-off valve and fire arrester, fire arrester is for preventing external flame from scurrying into pipeline and preventing flame in pipeline
Between spread.
In a preferred embodiment, combustion gas electromagnetic shut-off valve is connected with combustion gas filter, and fire arrester is connected to combustion
The rear end of gas electromagnetic shut-off valve, and zero-pressure valve is connected with fire arrester.
In a preferred embodiment, fire arrester is connected with combustion gas filter, and combustion gas electromagnetic shut-off valve is connected to resistance
The rear end of firearm, and zero-pressure valve is connected with combustion gas electromagnetic shut-off valve.
In a preferred embodiment, low pressure steam supply valve group parts further include the second pressure measuring unit, the second pressure measuring unit
It is set to the rear end of zero-pressure valve, to determine the gaseous-pressure after pressure regulation.
In a preferred embodiment, the first pressure measuring unit and the second pressure measuring unit are air gauge.
In a preferred embodiment, the first pressure measuring unit and the second pressure measuring unit are pressure sensor, pressure sensing
Device is connectable in control system.
Compared with prior art, low pressure steam supply valve group parts according to the present utility model have the advantages that this is practical new
Type selects suitable zero-pressure valve, electromagnetic shut-off valve, fire arrester, combustion gas filter and hand according to the requirement of low-pressure fuel gas control system
Dynamic gas cut off valve, Self-Integration is the steam supply valve group parts of low-pressure fuel gas control system, so that low pressure steam supply valve group parts collection
At have combustion gas on-off, filtering, back-fire relief, the functions such as pressure regulation.It is connected using flange and gasket, sealed reliable is easy for installation, is conducive to
Follow-up maintenance maintenance.The low pressure steam supply valve group parts structure of the utility model is simple, and at low cost, multiple functional, maintenance efficient is fast
It is prompt.
Detailed description of the invention
Fig. 1 is the low pressure steam supply valve group parts arragement construction schematic diagram according to one embodiment of the utility model.
Main appended drawing reference explanation:
The manual gas cut off valve of 1-, 2- combustion gas filter, the first air gauge of 3-, 4- electromagnetic shut-off valve, 5- fire arrester, 6- zero
Pressure valve, the second air gauge of 7-.
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.
Embodiment 1:
As shown in Figure 1, according to the low pressure steam supply valve group parts of one preferred embodiment of the utility model, comprising: combustion manually
Gas stop valve 1, combustion gas filter 2, the first air gauge 3, electromagnetic shut-off valve 4, fire arrester 5 and zero-pressure valve 6.
Wherein, the air inlet front end of low pressure steam supply valve group parts, combustion gas filter 2 and hand is arranged in manual gas cut off valve 1
Dynamic gas cut off valve 1 is connected, and for filtering combustion gas, the rear end of combustion gas filter 2 is arranged in the first air gauge 3, for checking
The pressure of combustion gas and determine combustion gas pressure whether meet demand.Combustion gas electromagnetic shut-off valve 4 is connected with combustion gas filter 2, resistance
Firearm 5 is connected to the rear end of combustion gas electromagnetic shut-off valve 4, and zero-pressure valve 6 is connected with fire arrester 5.Fire arrester 5 is outer for preventing
Portion's flame is scurried into pipeline and flame is prevented to spread in pipeline enclosure.The end of low pressure steam supply valve group parts is arranged in zero-pressure valve 6, uses
In the pressure of adjustment combustion gas, it is allowed to meet the admission pressure requirement of low-pressure fuel gas control system.The combustion gas of the arrangement of the present embodiment
Trend are as follows: combustion gas → manual gas cut off valve → combustion gas filter → combustion gas electromagnetic shut-off valve → fire arrester → zero-pressure valve → starts
Machine air inlet.
In above scheme, low pressure steam supply valve group parts further include the second air gauge 7, and the second air gauge 7 is set to zero-pressure valve 6
Rear end, to determine that the gaseous-pressure after pressure regulation whether in normally-pressured neighbor, meets the combustion of pressure requirements after being adjusted
Gas enters booster after being sufficiently mixed in a mixer with air, and cylinder combustion is entered after cold in overcompression.
All connections of the gas supply valve group component of the utility model be all made of bolt or stud, nut and flange,
Gasket connection, sealing effect is good, is convenient to mount and dismount, beautiful and generous；It is configured with hand off valve and electromagnetic shut-off valve simultaneously, is conducive to hair
The intelligent automatic control of motor group.
Embodiment 2:
According to the low pressure steam supply valve group parts of another preferred embodiment of the utility model, comprising: manual gas cut off valve,
Combustion gas filter, the first air gauge, electromagnetic shut-off valve, fire arrester and zero-pressure valve.
Unlike the first embodiment, the location swap of combustion gas electromagnetic shut-off valve and fire arrester, fire arrester and combustion gas filter
It is connected, combustion gas electromagnetic shut-off valve is connected to the rear end of fire arrester, and zero-pressure valve is connected with combustion gas electromagnetic shut-off valve.This reality
Apply the combustion gas trend of the arrangement of example are as follows: combustion gas → manual gas cut off valve → combustion gas filter → fire arrester → combustion gas electromagnetism cutting
Valve → zero-pressure valve → engine charge.
Embodiment 3:
Unlike the first embodiment, in the present embodiment, first pressure sensor is respectively adopted and second pressure sensor comes
First pressure gauge and second pressure gauge are replaced, pressure sensor, which is connectable in control system, facilitates intelligent automatic control.
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 (6)
1. a kind of low pressure steam supply valve group parts, which is characterized in that the low pressure steam supply valve group parts include:
The air inlet front end of the low pressure steam supply valve group parts is arranged in manual gas cut off valve；
Combustion gas filter is connected, for filtering the combustion gas with the manual gas cut off valve；
The rear end of the combustion gas filter is arranged in, for determining the pressure of combustion gas in first pressure measuring unit；
Zero-pressure valve is arranged in the end of the low pressure steam supply valve group parts, is used to adjust the pressure of combustion gas；
Wherein, combustion gas electromagnetic shut-off valve and fire arrester, the back-fire relief are disposed between the combustion gas filter and the zero-pressure valve
Device is for preventing external flame from scurrying into pipeline and flame being prevented to spread in pipeline enclosure.
2. low pressure steam supply valve group parts as described in claim 1, which is characterized in that the combustion gas electromagnetic shut-off valve and the combustion
Air cleaner is connected, and the fire arrester is connected to the rear end of the combustion gas electromagnetic shut-off valve, and the zero-pressure valve with it is described
Fire arrester is connected.
3. low pressure steam supply valve group parts as described in claim 1, which is characterized in that the fire arrester and the combustion gas filter
It is connected, the combustion gas electromagnetic shut-off valve is connected to the rear end of the fire arrester, and the zero-pressure valve and the combustion gas electromagnetism
Stop valve is connected.
4. low pressure steam supply valve group parts as claimed in claim 2 or claim 3, which is characterized in that the low pressure steam supply valve group parts are also
Including the second pressure measuring unit, second pressure measuring unit is set to the rear end of the zero-pressure valve, to determine the gas pressure after pressure regulation
Power.
5. low pressure steam supply valve group parts as claimed in claim 4, which is characterized in that first pressure measuring unit and described second
Pressure measuring unit is air gauge.
6. low pressure steam supply valve group parts as claimed in claim 4, which is characterized in that first pressure measuring unit and described second
Pressure measuring unit is pressure sensor, and the pressure sensor is connectable in control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287574.XU CN209523826U (en) | 2019-03-07 | 2019-03-07 | A kind of low pressure steam supply valve group parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287574.XU CN209523826U (en) | 2019-03-07 | 2019-03-07 | A kind of low pressure steam supply valve group parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209523826U true CN209523826U (en) | 2019-10-22 |
Family
ID=68232454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920287574.XU Active CN209523826U (en) | 2019-03-07 | 2019-03-07 | A kind of low pressure steam supply valve group parts |
Country Status (1)
| Country | Link |
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| CN (1) | CN209523826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523882A (en) * | 2020-11-09 | 2021-03-19 | 广西玉柴机器股份有限公司 | Fuel control device and fuel control method of gas engine air inlet pressure closed loop |
-
2019
- 2019-03-07 CN CN201920287574.XU patent/CN209523826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523882A (en) * | 2020-11-09 | 2021-03-19 | 广西玉柴机器股份有限公司 | Fuel control device and fuel control method of gas engine air inlet pressure closed loop |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230117 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. |