CN203241082U - Fuel gas metering sledge - Google Patents
Fuel gas metering sledge Download PDFInfo
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- CN203241082U CN203241082U CN 201320220590 CN201320220590U CN203241082U CN 203241082 U CN203241082 U CN 203241082U CN 201320220590 CN201320220590 CN 201320220590 CN 201320220590 U CN201320220590 U CN 201320220590U CN 203241082 U CN203241082 U CN 203241082U
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- valve
- pipeline
- gas metering
- sledge
- ball valve
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Abstract
The utility model relates to a fuel gas metering sledge which comprises a sledge mounting base and a pressure pipeline arranged on the sledge mounting base. The pressure pipeline comprises an inlet gas collecting pipe, an outlet gas collecting pipe and two paths of metering devices which are connected between the inlet gas collecting pipe and the outlet gas collecting pipe, wherein one path of the metering device is a using path, the other path of the metering device is a backup path, and each path of the metering device is provided with a first ball valve, a rectifier, a flow meter and a second ball valve from the end of the inlet gas collecting pipe to the end of outlet gas collecting pipe in sequence. The flow meters and pressure transmitters are respectively connected to the pipeline through connecting pipes, double-valve sets are arranged on the connecting pipes, and a needle valve is further arranged between each double-valve set and the root portion of each connecting pipe. When the double-valve sets are broken, the double-valve sets can be replaced and maintained simply through the fact that the needle valves are closed, natural gas in the pipeline can be saved, and time can be saved.
Description
Technical field
The utility model relates to a kind of combustible gas metering arrangement that is applied in the gas pipe line.
Background technology
When the user provides combustion gas downstream by gas pipe line, need to the flow of combustion gas and drift limit in specified fluctuation range, also to give accurate recording to instantaneous delivery and the integrated flow information of downstream user.
Therefore, how designing such covering device, when stating function in realization, also will be convenient to assembling and transport, guarantee that product safety is reliable, simplify maintenance work, is those skilled in the art's technical matterss to be solved.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is: a kind of gas metering sledge is provided, when realizing basic function, also will be convenient to assembling and transports, guarantee that product safety is reliable, simplify maintenance work.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of gas metering sledge, it is characterized in that: comprise sledge dress base and the pressure piping that is arranged on the described sledge dress base, the using and the reserved that described pressure piping comprises import remittance tracheae, exports the remittance tracheae and is connected to described import remittance tracheae and exports between the remittance tracheae are total to the two-way measuring apparatus, and every road measuring apparatus is provided with the first ball valve, rectifier, flowmeter and the second ball valve from described import remittance tracheae one end successively towards described outlet remittance tracheae one end.
Described gas metering sledge, wherein: also be provided with the bypass branch road between the upstream of described the first ball valve and the upstream of described rectifier, also be provided with the 3rd ball valve and choke stop evacuation valve on the described bypass branch road.
Described gas metering sledge, wherein: described flowmeter is connected on the pipeline of described measuring apparatus by an adapter, in described adapter the bivalve group is installed, and is provided with a needle valve between the root of described bivalve group and described adapter.
Described gas metering sledge, wherein: also be provided with temperature transmitter and pressure unit on the downstream line of described flowmeter.
Described gas metering sledge, wherein: described pressure unit is taken over by another root and is connected on the described pipeline, in described another root adapter another bivalve group is installed, between the root of described another bivalve group and described another adapter, is provided with another needle valve.
Described gas metering sledge, wherein: be welded with several horizontally disposed hanger holes at described sledge dress base, be installed with slidably a steel pipe in each described hanger hole, the length of described steel pipe is greater than the length in described hanger hole, and the two ends of described steel pipe respectively are fixed with radially catch.
Described gas metering sledge, wherein: between described import remittance tracheae and described outlet remittance tracheae, be connected with a blow-off pipe, described blow-off pipe is provided with a sewage draining exit, blow-off pipe pipeline between described sewage draining exit and described import remittance tracheae is provided with valve cover drainage valve and Blowoff ball valve, and the blow-off pipe pipeline between described sewage draining exit and described outlet remittance tracheae is provided with another valve cover drainage valve and another Blowoff ball valve.
Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be:
When the utility model used, wherein the ball valve on pipeline was closed and is called spare duct, and the ball valve on another pipeline is opened and be the use state.The gas of high-pressure air source enters described import from air intake opening first and converges tracheae, then via converging tracheae by entering described outlet in the pipeline that is the use state, and transfers out the gas outlet of tracheae from converging with described outlet.Rectifier on the described pipeline can guarantee that the flow of combustion gas and flow velocity large fluctuation can not occur, described flowmeter can be used for measuring the operating position of downstream user, and the computing machine that described flowmeter disposes can record the information such as the instantaneous delivery of described downstream user and integrated flow.
Flowmeter of the present utility model and pressure unit are connected on the described pipeline by an adapter respectively, in described adapter the bivalve group are installed, and also are provided with a needle valve between the root of described bivalve group and described adapter.When described bivalve group is damaged, only need described needle valve is closed, can carry out replacing and the maintenance of described bivalve group, can save the rock gas in the pipeline and save time.
Description of drawings
Fig. 1 is one-piece construction stereographic map of the present utility model;
Fig. 2 is one-piece construction front elevation of the present utility model;
Fig. 3 is one-piece construction vertical view of the present utility model;
Fig. 4 is the structural representation that the flowmeter place is taken over;
Fig. 5 is the structural representation that the pressure unit place is taken over;
Fig. 6 is the shackle structure floor map on the sledge dress base;
Fig. 7 is that Fig. 6 is the A-A cut-open view.
Embodiment
Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of gas metering sledge provided by the utility model, comprise sledge dress base 10 and the pressure piping that is arranged on the described sledge dress base 10, described pressure piping comprises import remittance tracheae 11, export remittance tracheae 16 and be connected to described import remittance tracheae 11 and export the using and the reserved of converging between the tracheae 16 and be total to the two-way measuring apparatus, every road measuring apparatus is provided with the first ball valve 12 from described import remittance tracheae 11 1 ends successively towards described outlet remittance tracheae 16 1 ends, rectifier 13, flowmeter 14 and the second ball valve 15, also be provided with bypass branch road 17 between the upstream of the upstream of described the first ball valve 12 and described rectifier 13, also be provided with the 3rd ball valve 18 and choke stop evacuation valve 19 on the described bypass branch road 17.
When the utility model used, wherein the first ball valve 12 on pipeline was closed and is called backup line, and the first ball valve 12 on another pipeline is opened and be the use state.The gas of high-pressure air source enters described import from air intake opening 111 first and converges tracheae 11, then via converging tracheae 16 by entering described outlet in the pipeline that is the use state, and transfers out the gas outlet 161 of tracheae 16 from converging with described outlet.Rectifier 13 on the described pipeline can guarantee that the flow of combustion gas and flow velocity large fluctuation can not occur, described flowmeter 14 can be used for measuring the operating position of downstream user, and the computing machine that described flowmeter 14 disposes can record the information such as the instantaneous delivery of described downstream user and integrated flow.
In above-described embodiment, also be provided with temperature transmitter 21 and pressure unit 22 on the downstream line of described flowmeter 14.Such as Fig. 4, shown in Figure 5, described flowmeter 14 is taken over 23 by one respectively with pressure unit 22 and is connected on the described pipeline, and every described adapter 23 bivalve group 24 is installed, so that the maintenance of described flowmeter 14 and described pressure unit 22.Yet, when described bivalve group 24 is damaged, then need the first ball valve 12 on the pipeline and the second ball valve 15 are all closed, then with the combustion gas in the pipeline from drain that described air flue is communicated with emit, just can carry out replacing and the maintenance of described bivalve group 24, so operation, the rock gas that has not only wasted in the pipeline is also lost time.For this reason, the utility model is also set up a needle valve 25 between the root of each described bivalve group 24 and described adapter 23, so, when described bivalve group 24 is damaged, only need described needle valve 25 is closed, can carry out replacing and the maintenance of described bivalve group 24, can save the rock gas in the pipeline and save time.
In addition, be convenient to lifting in order to make the utility model, on described sledge dress base 10, also be provided with several secondary telescopic hangers, such as Fig. 6, shown in Figure 7, be to be welded with several horizontally disposed hanger holes 31 at described sledge dress base 10, be installed with slidably a steel pipe 32 in each described hanger hole 31, the length of described steel pipe 32 is greater than the length in described hanger hole 31, and the two ends of described steel pipe 32 respectively are fixed with radially catch 33, to prevent the slippage from described hanger hole 31 of described steel pipe 32.The utility model towards sledge dress base 10 outside releases, in order to be set on common stay cord on the overhanging end of described steel pipe 32, and does not need special-purpose shackle rapidly, firmly to link to each other with hanging device described steel pipe 32 in lifting; After the rigging out, then the inside of described steel pipe 32 towards sledge dress base 10 is pushed, avoid described steel pipe 32 to expose and the personnel that cause trip injured.
For the needs of removing contamination, also converge in described import and be connected with a blow-off pipe 40 between tracheae 11 and the described outlet remittance tracheae 16, described blow-off pipe 40 is provided with a sewage draining exit 41, pipeline between described sewage draining exit 41 and described import remittance tracheae 11 is provided with valve cover drainage valve 42 and Blowoff ball valve 43, also is provided with valve cover drainage valve 42 and Blowoff ball valve 43 on the pipeline between described sewage draining exit 41 and the described outlet remittance tracheae 16.In addition, the upstream of two described the second ball valves 15 all is connected to a blow-down pipe 20, closes under described blow-down pipe 20 normalities.
More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.
Claims (7)
1. gas metering sledge, it is characterized in that: comprise sledge dress base and the pressure piping that is arranged on the described sledge dress base, the using and the reserved that described pressure piping comprises import remittance tracheae, exports the remittance tracheae and is connected to described import remittance tracheae and exports between the remittance tracheae are total to the two-way measuring apparatus, and every road measuring apparatus is provided with the first ball valve, rectifier, flowmeter and the second ball valve from described import remittance tracheae one end successively towards described outlet remittance tracheae one end.
2. described gas metering sledge according to claim 1, it is characterized in that: also be provided with the bypass branch road between the upstream of described the first ball valve and the upstream of described rectifier, described bypass branch road is provided with the 3rd ball valve and choke stop evacuation valve.
3. described gas metering sledge according to claim 1, it is characterized in that: described flowmeter is connected on the pipeline of described measuring apparatus by an adapter, in described adapter the bivalve group is installed, between the root of described bivalve group and described adapter, is provided with a needle valve.
4. described gas metering sledge according to claim 3 is characterized in that: also be provided with temperature transmitter and pressure unit on the downstream line of described flowmeter.
5. described gas metering sledge according to claim 4, it is characterized in that: described pressure unit is taken over by another root and is connected on the described pipeline, in described another root adapter another bivalve group is installed, between the root of described another bivalve group and described another adapter, is provided with another needle valve.
6. described gas metering sledge according to claim 1, it is characterized in that: be welded with several horizontally disposed hanger holes at described sledge dress base, be installed with slidably a steel pipe in each described hanger hole, the length of described steel pipe is greater than the length in described hanger hole, and the two ends of described steel pipe respectively are fixed with radially catch.
7. described gas metering sledge according to claim 1, it is characterized in that: between described import remittance tracheae and described outlet remittance tracheae, be connected with a blow-off pipe, described blow-off pipe is provided with a sewage draining exit, blow-off pipe pipeline between described sewage draining exit and described import remittance tracheae is provided with valve cover drainage valve and Blowoff ball valve, and the blow-off pipe pipeline between described sewage draining exit and described outlet remittance tracheae is provided with another valve cover drainage valve and another Blowoff ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320220590 CN203241082U (en) | 2013-04-26 | 2013-04-26 | Fuel gas metering sledge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320220590 CN203241082U (en) | 2013-04-26 | 2013-04-26 | Fuel gas metering sledge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203241082U true CN203241082U (en) | 2013-10-16 |
Family
ID=49318368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320220590 Expired - Fee Related CN203241082U (en) | 2013-04-26 | 2013-04-26 | Fuel gas metering sledge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203241082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822902A (en) * | 2016-06-01 | 2016-08-03 | 乐山市山鹰模具有限责任公司 | CNG gas device |
-
2013
- 2013-04-26 CN CN 201320220590 patent/CN203241082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822902A (en) * | 2016-06-01 | 2016-08-03 | 乐山市山鹰模具有限责任公司 | CNG gas device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20200426 |