CN217809280U - Emptying pipeline natural gas recovery device - Google Patents
Emptying pipeline natural gas recovery device Download PDFInfo
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- CN217809280U CN217809280U CN202222075153.5U CN202222075153U CN217809280U CN 217809280 U CN217809280 U CN 217809280U CN 202222075153 U CN202222075153 U CN 202222075153U CN 217809280 U CN217809280 U CN 217809280U
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Abstract
The utility model provides a vent pipe natural gas recovery unit, including vent pipe, the pipeline ball valve, the outlet duct, the check valve, corrugated hose, an air inlet pipe, the outlet duct is installed on recycle bin and holding vessel vent pipe annular side right side, the vent pipe right side is provided with the collection box, the collection box right side is provided with the holding vessel, the suction pump is installed to the inside downside of collection box, the filter is installed on the inside right side of collection box, the compressor is installed to the filter upside, the condenser is installed in the compressor left side, the conveyer pipe is installed with the holding vessel junction to the condenser, this design has solved original vent pipe natural gas recovery unit and can only retrieve the natural gas to the gas holder through the self pressure of the inside natural gas of vent pipe, when vent pipe natural gas concentration reduces, when pressure reduces, the recovery speed greatly reduced of natural gas, and vent pipe can not retrieve totally, still remain in a large number, to the recovery of natural gas, retrieve the not good problem of effect.
Description
Technical Field
The utility model relates to an emptying pipeline natural gas recovery unit belongs to natural gas application equipment technical field.
Background
The natural gas is mainly used as fuel, can be used for producing carbon black, chemicals and liquefied petroleum gas, and the propane and butane produced by the natural gas are important raw materials of modern industry. Natural gas is composed mainly of gaseous low molecular hydrocarbons mixed with non-hydrocarbon gases. When the equipment of the compressed natural gas primary station is overhauled, the equipment and the natural gas in the pipeline need to be emptied.
Chinese patent No.: CN210134079U discloses an emptying pipeline natural gas recovery device, the utility model discloses can with the natural gas recovery of unloading operation in the gas holder, carry out resource recovery, it is extravagant to reduce the energy, but this technical scheme can only retrieve the natural gas to the gas holder through the self pressure of the inside natural gas of emptying pipeline, when emptying pipeline natural gas concentration reduces, when pressure reduces, the recovery rate greatly reduced of natural gas, and emptying pipeline can not retrieve totally, still remain in a large number, be unfavorable for the recovery to the natural gas, it is not good to retrieve the effect, the problem that the aforesaid appears is solved to the urgent need of an emptying pipeline natural gas recovery device now.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing an emptying pipeline natural gas recovery unit to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure can retrieve the inside natural gas of emptying pipeline fast, and recovery efficiency is high, and remains after retrieving fewly.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a vent line natural gas recovery unit, includes vent line, pipeline ball valve, outlet duct, check valve, bellows, intake pipe, collection box and holding vessel, the pipeline ball valve is installed to the inside upside of vent line, the outlet duct is installed on vent line annular side right side, the vent line right side is provided with the collection box, the intake pipe is installed in the collection box left side, the bellows is installed with the outlet duct junction to the intake pipe, install the check valve on the outlet duct, the collection box right side is provided with the holding vessel, the suction pump is installed to the inside downside of collection box, the filter is installed on the inside right side of collection box, the compressor is installed to the filter upside, the condenser is installed in the compressor left side, the conveyer pipe is installed with the holding vessel junction to the condenser, install the check valve on the conveyer pipe, the second connecting pipe is installed in the filter left side, the reducing pipe is installed with the intake pipe junction to the second connecting pipe, first connecting pipe is installed to the suction pump and second connecting pipe junction, the third connecting pipe is installed to suction pump and filter junction.
Further, a first stop valve is installed on the upper side of the first connecting pipe, a second stop valve is installed on the second connecting pipe, and a third stop valve is installed on the third connecting pipe.
Furthermore, flange is all installed with outlet duct and intake pipe junction to the corrugated hose, the corrugated hose diameter is the same with outlet duct and intake pipe diameter.
Further, an access door is arranged on the front side of the recovery box.
Further, a first pressure gauge is installed on the upper side of the storage tank, a second pressure gauge is installed on the upper side of the annular side face of the air inlet pipe, and the specification of the first pressure gauge is the same as that of the second pressure gauge.
Further, the bottom of the storage tank is provided with a supporting base, the supporting base is fixedly connected with the storage tank through a welding mode, a rib plate is arranged at the joint of the supporting base and the annular side face of the storage tank, and the rib plate is fixedly connected with the supporting base and the storage tank through a welding mode.
Furthermore, the storage tank upside is installed the gas release pipe, be equipped with the control valve on the gas release pipe.
Further, communicating pipe is all installed to compressor and condenser and filter junction, communicating pipe specification is the same with first connecting pipe specification.
The utility model has the advantages that: the utility model discloses an emptying pipeline natural gas recovery device, because of the utility model discloses added the outlet duct, the check valve, the bellows, the collection box, the holding vessel, the conveyer pipe, the check valve, a condenser, a compressor, the reducing pipe, suction pump and filter, this design can be retrieved the inside natural gas of emptying pipeline fast, and recovery efficiency is high, it is few to remain after retrieving, solved original emptying pipeline natural gas recovery device and can only retrieve natural gas to the gas holder through the self pressure of the inside natural gas of emptying pipeline, when emptying pipeline natural gas concentration reduces, when pressure reduces, the recovery rate greatly reduced of natural gas, and emptying pipeline can not retrieve totally, still remain in a large number, be unfavorable for the recovery to the natural gas, the lower problem of recovery efficiency has improved the utility model discloses a recovery efficiency.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a natural gas recovery device for an emptying pipeline of the utility model;
FIG. 2 is a front sectional view of the natural gas recovery device for the emptying pipeline of the utility model;
FIG. 3 is a schematic structural view of a reducer pipe in the natural gas recovery device for an emptying pipe of the present invention;
in the figure: 1-emptying pipeline, 2-pipeline ball valve, 3-air outlet pipe, 4-one-way valve, 5-corrugated hose, 6-air inlet pipe, 7-recycling tank, 8-storage tank, 9-air release pipe, 10-control valve, 11-first pressure gauge, 12-delivery pipe, 13-check valve, 14-second pressure gauge, 15-condenser, 16-compressor, 17-reducer pipe, 18-first connecting pipe, 19-first stop valve, 20-suction pump, 21-second stop valve, 22-second connecting pipe, 23-third stop valve, 24-third connecting pipe, 25-filter, 51-connecting flange, 71-access door, 81-supporting base and 161-communicating pipe.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an atmospheric pipeline natural gas recovery unit, including atmospheric pipeline 1, pipeline ball valve 2, outlet duct 3, check valve 4, corrugated hose 5, intake pipe 6, collection box 7 and holding vessel 8, atmospheric pipeline 1 inside upside installs pipeline ball valve 2, atmospheric pipeline 1 ring side right side is installed outlet duct 3, atmospheric pipeline 1 right side is provided with collection box 7, intake pipe 6 is installed in collection box 7 left side, intake pipe 6 is installed with outlet duct 3 junction corrugated hose 5, install check valve 4 on the outlet duct 3, collection box 7 right side is provided with holding vessel 8, suction pump 20 is installed to the inside downside of collection box 7, filter 25 is installed on the inside right side of collection box 7, compressor 16 is installed to filter 25 upside, condenser 15 installs condenser 15 in the left side with holding vessel 8 junction, install conveyer pipe 12 on the conveyer pipe 12, install second connecting pipe 22 in the filter 25 left side, reducer 17 is installed to second connecting pipe 22 and intake pipe 6 junction, first connecting pipe 18 is installed to the second connecting pipe 22 junction, suction pump 20 and filter 25 junction have solved third connecting pipe 24, this design, natural gas pipeline 1 is unfavorable to the natural gas recovery of natural gas storage tank 1 hour of the recovery of natural gas recovery still can not be unfavorable for 1 hour, atmospheric pipeline is unfavorable reduction of natural gas recovery effect, atmospheric pipeline is still can be unfavorable when natural gas recovery, atmospheric pipeline 1.
The design that the first stop valve 19 is installed on the first connecting pipe 18, the second stop valve 21 is installed on the second connecting pipe 22, and the third stop valve 23 is installed on the third connecting pipe 24 facilitates the control of the on-off of the first connecting pipe 18, the second connecting pipe 22, and the third connecting pipe 24 through the arrangement of the first stop valve 19, the second stop valve 21, and the third stop valve 23.
Connecting flange 51 is all installed with outlet duct 3 and intake pipe 6 junction to corrugated hose 5, and corrugated hose 5 diameter is the same with outlet duct 3 and intake pipe 6 diameter, and this design is convenient for carry out sealing connection with corrugated hose 5 and outlet duct 3 and intake pipe 6 through the connecting flange 51 that sets up, guarantees the gas tightness of junction.
The access door 71 is arranged on the front side of the recovery box 7, and the design is convenient for maintenance of each part inside the recovery box 7 through the arranged access door 71.
First manometer 11 installs in the 8 upsides of holding vessel, and second manometer 14 installs and intake pipe 6 annular side upsides, and first manometer 11 specification is the same with the 14 specifications of second manometer, and the pressure of holding vessel 8 and intake pipe 6 inside can be known in real time through the first manometer 11 and the second manometer 14 that set up in this design.
The bleeder 9 is installed in the 8 upside of holding vessel, is equipped with control valve 10 on the bleeder 9, and the natural gas of the inside recovery of holding vessel 8 through the bleeder 9 that sets up is convenient for of this design is emitted and is utilized.
A connection pipe 161 is installed at the connection point of the compressor 16, the condenser 15, and the filter 25, the connection pipe 161 has the same specification as the first connection pipe 18, and the compressor 16, the condenser 15, and the filter 25 can be communicated with each other by the installation of the connection pipe 161.
As an embodiment of the present invention: when natural gas in the vent pipeline 1 needs to be recovered, the left end of a corrugated hose 5 is connected with an air outlet pipe 3 through a connecting flange 51, then a pipeline ball valve 2 is closed, a one-way valve 4 is opened, a check valve 13 and a second stop valve 21 are opened at the same time, a first stop valve 19, a third stop valve 23 and a control valve 10 are closed, a filter 25, a compressor 16 and a condenser 15 are started, the natural gas in the vent pipeline 1 flows to the air outlet pipe 3 under the pressure of the natural gas, then the natural gas enters the filter 25 through the corrugated hose 5 and a second connecting pipe 22, the natural gas is filtered through the filter 25, then the natural gas enters the compressor 16 for pressurization and compression, the compressed natural gas enters the condenser 15 for condensation to form liquid, the condensed natural gas flows into a storage tank 8 through a conveying pipe 12 for storage, when the pressure of the natural gas in the vent pipeline 1 is reduced, the first stop valve 19 and the third stop valve 23 are opened, the second stop valve 21 is closed, a suction pump 20 is started, the natural gas in the vent pipeline 1 generates suction force on the natural gas in the vent pipeline 1, the vent pipeline, the natural gas in the vent pipeline, the vent pipeline 1, the natural gas is extracted, and the vent efficiency is improved, and the natural gas recovery efficiency of the vent pipeline 1 can be reduced.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a pipeline natural gas recovery unit that emptys, includes pipeline, pipeline ball valve, outlet duct, check valve, bellows, intake pipe, collection box and holding vessel, its characterized in that: the utility model discloses a pipeline, including blow-down pipeline, intake pipe, accumulator, check valve, return tank, inlet pipe, return tank, condenser, check valve, the return tank right side is provided with the holding vessel, the suction pump is installed to the inside downside of return tank, the filter is installed on the inside right side of return tank, the compressor is installed to the filter upside, the condenser is installed in the compressor left side, the conveyer pipe is installed with the holding vessel junction to the condenser, install the check valve on the conveyer pipe, the second connecting pipe is installed in the filter left side, the reducing pipe is installed with intake-tube connection department to the second connecting pipe, first connecting pipe is installed with second connecting pipe junction to the suction pump, the third connecting pipe is installed with the filter junction to the suction pump.
2. The vent line natural gas recovery unit of claim 1, wherein: a first stop valve is installed on the upper side of the first connecting pipe, a second stop valve is installed on the second connecting pipe, and a third stop valve is installed on the third connecting pipe.
3. The vent line natural gas recovery unit of claim 1, wherein: connecting flanges are arranged at the connecting parts of the corrugated hose, the air outlet pipe and the air inlet pipe, and the diameter of the corrugated hose is the same as that of the air outlet pipe and the air inlet pipe.
4. The flare natural gas recovery apparatus of claim 1, wherein: an access door is arranged on the front side of the recovery box.
5. The vent line natural gas recovery unit of claim 1, wherein: a first pressure gauge is installed on the upper side of the storage tank, a second pressure gauge is installed on the upper side of the annular side face of the air inlet pipe, and the specification of the first pressure gauge is the same as that of the second pressure gauge.
6. The vent line natural gas recovery unit of claim 1, wherein: the storage tank is characterized in that a supporting base is installed at the bottom of the storage tank and is fixedly connected with the storage tank in a welding mode, a rib plate is arranged at the joint of the supporting base and the annular side face of the storage tank and is fixedly connected with the supporting base and the storage tank in a welding mode.
7. The flare natural gas recovery apparatus of claim 1, wherein: an air release pipe is installed on the upper side of the storage tank, and a control valve is assembled on the air release pipe.
8. The vent line natural gas recovery unit of claim 1, wherein: communicating pipe is all installed to compressor and condenser and filter junction, communicating pipe specification is the same with first connecting pipe specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222075153.5U CN217809280U (en) | 2022-08-08 | 2022-08-08 | Emptying pipeline natural gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222075153.5U CN217809280U (en) | 2022-08-08 | 2022-08-08 | Emptying pipeline natural gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217809280U true CN217809280U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222075153.5U Active CN217809280U (en) | 2022-08-08 | 2022-08-08 | Emptying pipeline natural gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217809280U (en) |
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2022
- 2022-08-08 CN CN202222075153.5U patent/CN217809280U/en active Active
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