CN207673783U - The pressure difference of opening natural gas compression system vibrates vibration-proof structure - Google Patents
The pressure difference of opening natural gas compression system vibrates vibration-proof structure Download PDFInfo
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- CN207673783U CN207673783U CN201721798133.3U CN201721798133U CN207673783U CN 207673783 U CN207673783 U CN 207673783U CN 201721798133 U CN201721798133 U CN 201721798133U CN 207673783 U CN207673783 U CN 207673783U
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- way valve
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- hydraulic booster
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Abstract
The utility model is related to a kind of pressure differences of opening natural gas compression system to vibrate vibration-proof structure,Including the first hydraulic booster container,Second hydraulic booster container,Three-position four-way valve,Two hydraulic booster containers are connected by breather check valve with supply air line,Two hydraulic booster containers are connected by outgassing nonreturn valve with outlet pipe,First actuator port of three-position four-way valve is connected to the hydraulic oil port of the first hydraulic booster container lower end,Second actuator port of three-position four-way valve is connected to the hydraulic oil port of the second hydraulic booster container lower end,The oil inlet of three-position four-way valve is connected by the outlet of an oil fuel tube and booster pump,The oil return opening of three-position four-way valve is connected by the import of an oil return pipe and booster pump,Connected by a pressure difference regulation pipe between oil return pipe and oil fuel tube,One pressure-relief one-way valve is set in pressure difference regulation pipe,The go side of pressure-relief one-way valve corresponds to oil return pipe,The not-go-end of pressure-relief one-way valve corresponds to oil fuel tube.
Description
Technical field
The utility model is related to a kind of opening natural gas compression systems, and in particular to a kind of pressure difference vibration of opening natural gas compression system
Vibration-proof structure.
Background technology
In a kind of opening natural gas compression system of existing natural gas filling station, erects be provided with the first hydraulic booster appearance side by side
Device, the second hydraulic booster container, the first hydraulic booster container, the second hydraulic booster container upper end are respectively equipped with breather check valve
And outgassing nonreturn valve, two hydraulic booster containers are connected by breather check valve with supply air line, two hydraulic booster containers are logical
Outgassing nonreturn valve is crossed with outlet pipe to be connected, the hydraulic oil ports of two hydraulic booster container lower ends respectively with three-position four-way valve
The oil inlet of one actuator port, the connection of the second actuator port, three-position four-way valve is connected by the outlet of an oil fuel tube and booster pump,
The oil return opening of three-position four-way valve is connected by the import of an oil return pipe and booster pump, and the first hydraulic booster container, the second fluid power increase
Pressure vessel, booster pump, oil fuel tube and oil return pipe form a closed loop hydraulic pressure boosting system.This closed loop hydraulic pressure boosting system
By the first hydraulic booster container, the second hydraulic booster container, alternately natural gas is compressed in switching.But when one of them
Hydraulic booster container injection hydraulic oil compresses the natural gas in container, another hydraulic booster container allows day by oil return
Right gas enters in container, switches moments in two hydraulic booster containers, the highest of the hydraulic booster container of oil return still in pressure
State, and the hydraulic booster container pressure of oiling is also less than the hydraulic booster container pressure of oil return, thus leads to the pressure of oil return pipe
Power is higher than oiling pipe pressure, generates pressure difference, and the inlet and outlet that this pressure difference is gathered in booster pump forms fluctuation, causes closed loop
The pipeline of formula hydraulic pressure boosting system generates judder, sends out vibrating noise.It is this to vibrate the certain members that both made compressibility
The reduced service life of part influences the normal work of compressibility, and mood, the health of people can be also injured because of the noise sent out
And ambient enviroment.
Invention content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of pressure difference vibration of opening natural gas compression system
Vibration-proof structure, it can solve the problems, such as the pipeline vibration of pressure charging system, and can reduce pressure charging system energy consumption.
What the purpose of this utility model was realized in：A kind of pressure difference vibration vibration-proof structure of opening natural gas compression system, packet
It includes opening natural gas compression system and erects the first hydraulic booster container arranged side by side, the second hydraulic booster container, three-position four-way valve, institute
State the first hydraulic booster container, the second hydraulic booster container upper end respectively be equipped with breather check valve and outgassing nonreturn valve, two
Hydraulic booster container is connected by breather check valve with supply air line, and two hydraulic booster containers pass through outgassing nonreturn valve and outlet
Pipeline is connected, and the first actuator port of the three-position four-way valve is connected to the hydraulic oil port of the first hydraulic booster container lower end, institute
The second actuator port for stating three-position four-way valve is connected to the hydraulic oil port of the second hydraulic booster container lower end, the three-position four-way valve
Oil inlet connected by the outlet of an oil fuel tube and booster pump, the oil return opening of the three-position four-way valve passes through an oil return pipe and increases
The import of press pump connects, and is connected by a pressure difference regulation pipe between the oil return pipe and oil fuel tube, is set in the pressure difference regulation pipe
A pressure-relief one-way valve is set, the go side of the pressure-relief one-way valve corresponds to oil return pipe, and the not-go-end of pressure-relief one-way valve corresponds to oil fuel tube.
For the spool of the three-position four-way valve by actuating mechanism controls, the executing agency includes the two of the three-position four-way valve
The hydraulic control chamber of promotion spool of setting, two actuator ports of a solenoid directional control valve is held to be set respectively with the both ends of three-position four-way valve
The hydraulic control chamber connection set, the inlet port of the solenoid directional control valve are connect with oil return pipe, the oil outlet of the solenoid directional control valve
It is connect with fuel tank.
In the first hydraulic booster container intracavity top setting first liquid level gauge, the second hydraulic booster container intracavity
Portion is arranged second liquid level gauge, the spool of the three-position four-way valve by actuating mechanism controls, the executing agency, first liquid level gauge,
Second liquid level gauge is electrically connected PLC controller.
The first liquid level gauge, second liquid level gauge are all made of float type level gauge.
Be equipped in the first hydraulic booster container, the second hydraulic booster container chamber for circulating cooling medium by heat
Exchanger.
The booster pump uses plunger type booster pump.
Using the above scheme, connected by a pressure difference regulation pipe between the oil return pipe and oil fuel tube, the pressure difference is adjusted
One pressure-relief one-way valve is set on pipe, and the go side of the pressure-relief one-way valve corresponds to oil return pipe, and the not-go-end of pressure-relief one-way valve corresponds to oiling
Pipe.3-position 4-way Vavle switching moment, the hydraulic booster container of oil return is still in the highest state of pressure, and the hydraulic booster of oiling
Container pressure is also less than the hydraulic booster container pressure of oil return, thus causes the pressure of oil return pipe to be higher than oiling pipe pressure, generates
Pressure difference is connected between the oil return pipe and oil fuel tube by a pressure difference regulation pipe, is switched a part of high in moment oil return pipe
Hydraulic fluid pressure oil is directly over pressure difference regulation pipe and enters oil fuel tube, switch pressure momentary action in moment oil return pipe in booster pump and
Pressure-relief one-way valve, booster pump entrance reduce, and partial pressure continues through pressure-relief one-way valve and acts on oil fuel tube, in oil fuel tube
Pressure increase, the pressure difference between oil return pipe and oil filling pipeline becomes smaller, achievees the purpose that vibration damping, improve the work of hydraulic system
Performance improves the service life of Hydraulic Elements, eliminates noise source.The high pressure liquid pressure oil part of oil return pipe is allowed to enter directly into
Without booster pump in oil filling pipeline, the energy consumption of booster pump is decreased, production cost is reduced.
For the spool of the three-position four-way valve by actuating mechanism controls, the executing agency is hydraulic actuating mechanism, described three
The promotion hydraulic control chamber of spool of the both ends setting of position four-way valve, two actuator ports of a solenoid directional control valve respectively with three four
The hydraulic control chamber connection of the both ends setting of port valve, the inlet port of the solenoid directional control valve are connect with oil return pipe, and the electromagnetism changes
It is connect to the oil outlet of valve with fuel tank, the liquid stream of smaller magnet control big flow can be used, to conveniently realize automatic control
System, this arrangement are applicable in large-flow hydraulic system.
In the first hydraulic booster container intracavity top setting first liquid level gauge, the second hydraulic booster container intracavity
Portion is arranged second liquid level gauge, the spool of the three-position four-way valve by actuating mechanism controls, the executing agency, first liquid level gauge,
Second liquid level gauge is electrically connected PLC controller, and liquid level gauge is used to monitor the liquid level in pressurized container, and liquid level signal is fed back to
PLC controller, PLC controller control executing agency, realize the real-time control of valve core movement, and PLC controller reliability is high, programming
It is easy.
The first liquid level gauge, second liquid level gauge are all made of float type level gauge, float type level gauge have it is simple in structure,
The features such as debugging is convenient, good reliability, precision is high, float type level gauge is widely portable to the company of high temperature, high pressure, thick oil
It is continuous to measure.
The booster pump uses plunger type booster pump, plunger pump high, compact-sized, efficient and flow with rated pressure
The advantages that easy to adjust.
Using above-mentioned utility model, it can solve the problems, such as the pipeline vibration of pressure charging system, and can reduce pressure charging system
Energy consumption.
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing, 1 is supply air line, and 2 be the first hydraulic booster container, and 3 be the second hydraulic booster container, and 4 be three four
Port valve, a2 are the second actuator port, and 5 be breather check valve, and 6 be outlet pipe, and 7 be outgassing nonreturn valve, and a1 is the first working oil
Mouthful, b is oil inlet, and 9 be oil fuel tube, and 8 be booster pump, and c is oil return opening, and 10 be oil return pipe, and 16 be pressure difference regulation pipe, and 11 be first
Liquid level gauge, 12 be second liquid level gauge, and 13 be solenoid directional control valve, and 14 be pressure-relief one-way valve, and 15 be fuel tank.
Specific implementation mode
With reference to attached drawing, the specific embodiment of the utility model will be described in.
Referring to Fig. 1, a kind of embodiment of the pressure difference vibration vibration-proof structure of opening natural gas compression system, opening natural gas compression system
Pressure difference vibrates vibration-proof structure, including opening natural gas compression system erects the first hydraulic booster container 2 arranged side by side, the second fluid power increases
Pressure vessel 3 further includes a three-position four-way valve 4, and the first hydraulic booster container 2,3 upper end of the second hydraulic booster container are respectively
Equipped with breather check valve 5 and outgassing nonreturn valve 7；The first hydraulic booster container 2,3 upper end of the second hydraulic booster container also may be used
It is separately connected a three-way pipe, the both ends connection breather check valve 5 and outgassing nonreturn valve 7 of the three-way pipe.Two hydraulic booster containers
It is connected with supply air line 1 by breather check valve 5, two hydraulic booster containers are connected by outgassing nonreturn valve 7 with escape pipe 6.
First hydraulic booster container, the 2 inner cavity top setting first liquid level gauge 11, the 3 inner cavity top of the second hydraulic booster container are set
Set second liquid level gauge 12.Float type level gauge, float type level gauge can be used in the first liquid level gauge 11, second liquid level gauge 12
With the features such as simple in structure, debugging is convenient, good reliability, precision is high, float type level gauge is widely portable to high temperature, height
The continuous measurement of pressure, thick oil.2 lower end the first actuator port a1 and the first hydraulic booster container of the three-position four-way valve 4
Hydraulic oil port connection, the hydraulic oil of 3 lower end the second actuator port a2 and the second hydraulic booster container of the three-position four-way valve 4
Mouth connection, the oil inlet b of the three-position four-way valve 4 are connect by an oil fuel tube 9 with the outlet of booster pump 8, the 3-position 4-way
The oil return opening c of valve 4 is connect by an oil return pipe 10 with the import of booster pump 8.The first hydraulic booster container 2, the second fluid power
3 intracavitary of pressurized container be equipped with for circulating cooling medium by heat exchanger.The booster pump 8 uses plunger type booster pump,
Plunger pump has many advantages, such as that rated pressure is high, compact-sized, efficient and flow-rate adjustment is convenient.The oil return pipe 10 and oil fuel tube
Connected by a pressure difference regulation pipe 16 between 9, a pressure-relief one-way valve 14 is set in the pressure difference regulation pipe 16, the decompression is unidirectional
The go side of valve 14 corresponds to oil return pipe 10, and the not-go-end of pressure-relief one-way valve 14 corresponds to oil fuel tube 9.The spool of the three-position four-way valve 4 by
Actuating mechanism controls, the executing agency can be hydraulic actuating mechanism, and the hydraulic actuating mechanism includes the three-position four-way valve 4
The promotion hydraulic control chamber of spool of both ends setting, a solenoid directional control valve 13 two actuator ports respectively with three-position four-way valve 4
Both ends setting the connection of hydraulic control chamber, the inlet port of the solenoid directional control valve 13 connect with oil return pipe 10, and the electromagnetism changes
It is connect to the oil outlet of valve with fuel tank 15, this arrangement can use the liquid stream of smaller magnet control big flow, to side
Just it realizes and automatically controls, be applicable in large-flow hydraulic system.The executing agency, first liquid level gauge 11, second liquid level gauge 12 are equal
It is electrically connected PLC controller, liquid level gauge is used to monitor the liquid level in pressurized container, and liquid level signal is fed back to PLC controller,
PLC controller controls executing agency, realizes the real-time control of valve core movement, and PLC controller reliability is high, and programming is easy.
When carrying out natural gas compressing operation using the above scheme, the first hydraulic booster container 2, the second hydraulic booster hold
Device 3, booster pump 8, oil fuel tube 9 and oil return pipe 10 form a closed hydraulic pressure boosting system, hold in first hydraulic booster
When hydraulic oil is injected into designated position in device 2, three-position four-way valve 4 switches the first actuator port a1 to the second actuator port a2,
First actuator port a1 is communicated with oil inlet b when initial, and oil return opening c is communicated with the second actuator port a2, and the first fluid power increases at this time
Pressure vessel 2 belongs to compressed gas completion, and pressure is in highest state, after switching in the first hydraulic booster container 2 described in moment
Pressure is transferred on oil return pipe 10；Or in the second hydraulic booster container 3 when hydraulic oil is injected into designated position, three
Position four-way valve 4 switches the second actuator port a2 to the first actuator port a1, the second actuator port a2 and oil inlet b phases when initial
Logical, oil return opening c is communicated with the first actuator port a1, and the second hydraulic booster container 3 belongs to compressed gas completion at this time, and pressure is in
Highest state, the pressure after switching in moment the second hydraulic booster container 3 are transferred on oil return pipe 10, moment oil return after switching
A part of high pressure liquid pressure oil in pipe 10 is directly over pressure difference regulation pipe 16 and enters oil fuel tube 9, switches in moment oil return pipe 10
Pressure momentary action reduces in booster pump 8 and pressure-relief one-way valve 14,8 entrance of booster pump, and it is single that partial pressure continues through decompression
It being acted on oil fuel tube 9 to valve 14, the pressure in oil fuel tube 9 increases, and the pressure difference between 9 pipeline of oil return pipe 10 and oiling becomes smaller,
Achieve the purpose that vibration damping, improve the working performance of hydraulic system, improve the service life of Hydraulic Elements, eliminates sound
Source.It allows the high pressure liquid pressure oil part of oil return pipe 10 to enter directly into oil fuel tube 9 without booster pump 8, decreases booster pump 8
Energy consumption, reduce production cost.
Claims (6)
1. the pressure difference of opening natural gas compression system a kind of vibrates vibration-proof structure, including opening natural gas compression system erects the be arranged side by side
One hydraulic booster container（2）, the second hydraulic booster container（3）, three-position four-way valve（4）, the first hydraulic booster container（2）、
Second hydraulic booster container（3）Upper end is respectively equipped with breather check valve（5）And outgassing nonreturn valve（7）, two hydraulic boosters appearances
Device passes through breather check valve（5）With supply air line（1）It is connected, two hydraulic booster containers pass through outgassing nonreturn valve（7）With outlet
Pipe（6）It is connected, the three-position four-way valve（4）The first actuator port（a1）With the first hydraulic booster container（2）The hydraulic pressure of lower end
Hydraulic fluid port is connected to, the three-position four-way valve（4）The second actuator port（a2）With the second hydraulic booster container（3）The hydraulic oil of lower end
Mouth connection, the three-position four-way valve（4）Oil inlet（b）Pass through an oil fuel tube（9）With booster pump（8）Outlet connection, it is described
Three-position four-way valve（4）Oil return opening（c）Pass through an oil return pipe（10）With booster pump（8）Import connection, it is characterised in that：It is described
Oil return pipe（10）With oil fuel tube（9）Between pass through a pressure difference regulation pipe（16）Connect, the pressure difference regulation pipe（16）Upper setting one
Pressure-relief one-way valve（14）, the pressure-relief one-way valve（14）Go side correspond to oil return pipe（10）, pressure-relief one-way valve（14）Not-go-end pair
Answer oil fuel tube（9）.
2. the pressure difference of opening natural gas compression system according to claim 1 vibrates vibration-proof structure, it is characterised in that：Described three
Four-way valve（4）Spool by actuating mechanism controls, the executing agency includes the three-position four-way valve（4）Both ends setting push away
Hydraulic control chamber, a solenoid directional control valve for movable valve plug（13）Two actuator ports respectively with three-position four-way valve（4）Both ends setting
Hydraulic control chamber connection, the solenoid directional control valve（13）Inlet port and oil return pipe（10）Connection, the solenoid directional control valve
Oil outlet and fuel tank（15）Connection.
3. the pressure difference of opening natural gas compression system according to claim 1 vibrates vibration-proof structure, it is characterised in that：Described first
Hydraulic booster container（2）First liquid level gauge is arranged in inner cavity top（11）, the second hydraulic booster container（3）Inner cavity top is arranged
Second liquid level gauge（12）, the three-position four-way valve（4）Spool by actuating mechanism controls, the executing agency, first liquid level gauge
（11）, second liquid level gauge（12）It is electrically connected PLC controller.
4. the pressure difference of opening natural gas compression system according to claim 3 vibrates vibration-proof structure, it is characterised in that：Described first
Liquid level gauge（11）, second liquid level gauge（12）It is all made of float type level gauge.
5. the pressure difference of opening natural gas compression system according to claim 1 vibrates vibration-proof structure, it is characterised in that：Described first
Hydraulic booster container（2）, the second hydraulic booster container（3）Intracavitary be equipped with for circulating cooling medium by heat exchanger.
6. the pressure difference of opening natural gas compression system according to claim 1 vibrates vibration-proof structure, it is characterised in that：The supercharging
Pump（8）Using plunger type booster pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798133.3U CN207673783U (en) | 2017-12-21 | 2017-12-21 | The pressure difference of opening natural gas compression system vibrates vibration-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798133.3U CN207673783U (en) | 2017-12-21 | 2017-12-21 | The pressure difference of opening natural gas compression system vibrates vibration-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673783U true CN207673783U (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798133.3U Active CN207673783U (en) | 2017-12-21 | 2017-12-21 | The pressure difference of opening natural gas compression system vibrates vibration-proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673783U (en) |
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2017
- 2017-12-21 CN CN201721798133.3U patent/CN207673783U/en active Active
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