CN207673782U - Natural pressure compression apparatus surge tank long-pending oil recovery system - Google Patents
Natural pressure compression apparatus surge tank long-pending oil recovery system Download PDFInfo
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- CN207673782U CN207673782U CN201721797997.3U CN201721797997U CN207673782U CN 207673782 U CN207673782 U CN 207673782U CN 201721797997 U CN201721797997 U CN 201721797997U CN 207673782 U CN207673782 U CN 207673782U
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- surge tank
- level gauge
- hydraulic
- liquid level
- hydraulic booster
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Abstract
The utility model is related to a kind of natural pressure compression apparatus surge tank long-pending oil recovery systems,Hydraulic booster container including erectting setting,Surge tank,The upper end of hydraulic booster container is connect by the second breather check valve with supply air line,It is connect with pressure-increasing unit pipe upstream end by outgassing nonreturn valve,The downstream of pressure-increasing unit pipe is connect with surge tank upper end,One outlet pipe is connected to surge tank upper end,The lower end of hydraulic booster container is connect with hydraulic oil pipeline,The lower end link circuit bypass pipe of surge tank is connect with supply air line,Liquid check valve is set back on the bypass pipe of circuit,The first breather check valve is arranged in the upstream end of supply air line,Second breather check valve is arranged in inlet manifold,Control valve is set on surge tank and the circuit bypass pipe returned between liquid check valve,Surge tank intracavitary lower end is equipped with long-pending oil liquid level gauge,Hydraulic booster container intracavity top is equipped with hydraulic oil liquid level gauge,Control valve,Long-pending oil liquid level gauge,Hydraulic oil liquid level gauge is electrically connected PLC controller.
Description
Technical field
The utility model is related to a kind of natural pressure compression apparatus, and in particular to a kind of natural pressure compression apparatus surge tank long-pending oil
Recovery system.
Background technology
Currently, the hydraulic compressed machine that natural gas filling station uses, the hydraulic oil injected by hydraulic booster container into
The natural gas entered in hydraulic booster container is compressed, and it is refueling to form compressed natural gas.Since gas compression is one
Heating process will produce a large amount of heat, gas temperature made to increase, and the bigger Wen Shengyue high of compression ratio, this temperature rises will
Accelerate hydraulic oil volatilization, the hydraulic pressure oil vapour of volatilization can be blended in compressed natural gas discharge, in order to reduce in compressed natural gas
Usually a surge tank is arranged on the natural gas output pipe of compressibility in hydraulic pressure oil content, makes to be mixed with hydraulic pressure oil vapour
Compressed natural gas cools down in surge tank to be formed long-pending oil and is deposited in surge tank, is typically to open surge tank to long-pending oil in surge tank
The shut-off valve of bottom directly carries out long-pending oil emission treatment.Taking the long-pending oil that this mode gives off cannot reuse, and can cause liquid
The waste of pressure oil, leads to that the production cost increases；And compressed natural gas while discharging long-pending oil in surge tank also can be with
It gives off, thereby results in environmental pollution；And with increasing for long-pending oil discharge, the liquid of compression work is participated in hydraulic booster container
Pressure oil gradually decreases, and opening natural gas compression system is unable to supply of the canbe used on line to hydraulic oil in hydraulic booster container when working, and needs
Annex solution pressure oil operation is carried out after wanting opening natural gas compression system interruption of work, reduces the duration of opening natural gas compression system work
And efficiency.
Invention content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of natural pressure compression apparatus surge tank long-pending oil
Recovery system, it can improve hydraulic oil utilization ratio in opening natural gas compression system, can ensure continuing for compressibility work
Property.
What the purpose of this utility model was realized in：A kind of natural pressure compression apparatus surge tank long-pending oil recovery system, packet
The hydraulic booster container for erectting setting, surge tank are included, the upper end of the hydraulic booster container passes through the second breather check valve and confession
Air pipe connects, and is connect with pressure-increasing unit pipe upstream end by outgassing nonreturn valve, on the downstream and surge tank of pressure-increasing unit pipe
End connection, an outlet pipe are connected to surge tank upper end, and the lower end of the hydraulic booster container is connect with hydraulic oil pipeline, described
The lower end connection primary Ioops bypass pipe of surge tank is connect with supply air line, and liquid check valve, institute are arranged go back on the circuit bypass pipe
The first breather check valve is arranged in the upstream end for stating supply air line, and second breather check valve is arranged in inlet manifold, described
Inlet manifold is located between the first breather check valve and time liquid check valve to be connected to supply air line, and the surge tank and time liquid are unidirectional
One control valve is set on the circuit bypass pipe between valve, and surge tank intracavitary lower end is equipped with long-pending oil liquid level gauge, and the fluid power increases
Pressure vessel inner cavity top is equipped with hydraulic oil liquid level gauge, and the control valve, long-pending oil liquid level gauge, hydraulic oil liquid level gauge are electrically connected PLC
Controller.
The hydraulic booster container includes the first hydraulic booster container, the second hydraulic booster container, and first fluid power increases
Pressure vessel, the second hydraulic booster container, upper end are respectively connect by the second breather check valve with supply air line, and outlet list is passed through
It being connect to valve with pressure-increasing unit pipe upstream end, the first hydraulic booster container intracavity top is equipped with the first hydraulic oil liquid level gauge,
The second hydraulic booster container intracavity top is equipped with the second hydraulic oil liquid level gauge, the first hydraulic oil liquid level gauge, the second liquid
Pressure oil liquid level gauge is electrically connected with PLC controller.
The long-pending oil liquid level gauge, the first hydraulic oil liquid level gauge, the second hydraulic oil 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 oil return opening of the surge tank lower end is arranged threeway, and threeway link circuit bypass pipe all the way, another way is by cutting
Only one cleaning discharge pipe of valve connection.
The control valve is motor-operated control valve, which is electrically connected with PLC controller.
The control valve is pneumatic control valve, which is electrically connected with PLC controller.
Using the above scheme, the lower end connection primary Ioops bypass pipe of the surge tank is connect with supply air line, the circuit
Liquid check valve is set back on bypass pipe, and the first breather check valve, the second air inlet list is arranged in the upstream end of the supply air line
It is arranged in inlet manifold to valve, the inlet manifold is located between the first breather check valve and time liquid check valve and supply air line
A control valve, surge tank intracavitary lower end are set on connection, the surge tank and the circuit bypass pipe returned between liquid check valve
Equipped with long-pending oil liquid level gauge, hydraulic booster container intracavity top is equipped with hydraulic oil liquid level gauge, the control valve, long-pending oil liquid level
Meter, hydraulic oil liquid level gauge are electrically connected PLC controller.Supply air line supplies natural gas, and natural gas enters hydraulic booster container
In, the natural gas in gas bomb is squeezed by the high pressure liquid pressure oil that hydraulic oil pipeline injects, so that natural gas compressing is reached high pressure, mixes
Conjunction has the compressed natural gas of hydraulic pressure oil vapour in surge tank to cool down to form long-pending oil and be deposited in surge tank, the high pressure day after buffering
Right gas is exported by outlet pipe, and certain hydraulic oil can be accumulated in surge tank, and long-pending oil liquid level gauge detects hydraulic oil in surge tank
Burden, and signal is passed into PLC controller, the hydraulic oil liquid level gauge on hydraulic booster container intracavity top detects liquid
The burden of hydraulic oil in power pressurized container, PLC controller control control valve and open and close, surge tank when control valve is opened
In the certain hydraulic oil of accumulation can enter hydraulic booster container by circuit bypass pipe, hydraulic system is arranged in compressibility
Multiple check valves for preventing oil stream or compressed natural gas reverse flow, PLC controller reliable in opening natural gas compression system
Property it is high, programming is easy.
The hydraulic booster container includes the first hydraulic booster container, the second hydraulic booster container, and first fluid power increases
Pressure vessel, the second hydraulic booster container, upper end are respectively connect by the second breather check valve with supply air line, and outlet list is passed through
It being connect to valve with pressure-increasing unit pipe upstream end, the first hydraulic booster container intracavity top is equipped with the first hydraulic oil liquid level gauge,
The second hydraulic booster container intracavity top is equipped with the second hydraulic oil liquid level gauge, the first hydraulic oil liquid level gauge, the second liquid
Pressure oil liquid level gauge is electrically connected with PLC controller, using this structure, the first hydraulic booster container of setting, the second hydraulic booster
Container can increase the working efficiency of entire compressibility；When the first hydraulic booster container carries out compression operation, the second fluid power increases
When pressure vessel carries out air inlet oil extraction operation, there are pressure difference between the first hydraulic booster container and the second hydraulic booster container, the
The high-pressure natural gas of one hydraulic booster container enters in surge tank, when control valve is opened, the hydraulic pressure of the accumulation in surge tank
Oil is entered under pressure in the second hydraulic booster container, similarly, when the second hydraulic booster container carries out compression operation, the
When one hydraulic booster container carries out air inlet oil extraction operation, the hydraulic oil of the accumulation in surge tank enters first under pressure
In hydraulic booster container, the automatic promotion for accumulating hydraulic oil during buffering fills can be realized, eliminate oil pumping device, or utilize height
Low difference pushes the limitation of hydraulic oil structure.First hydraulic oil liquid level gauge is set and monitors hydraulic oil in the first hydraulic booster container in time
Level condition, setting the second hydraulic oil liquid level gauge in time monitoring the second hydraulic booster container in hydraulic oil level condition.
The long-pending oil liquid level gauge, the first hydraulic oil liquid level gauge, the second hydraulic oil liquid level gauge are all made of float type level gauge, float
Minor liquid level gauge has the features such as simple in structure, debugging is convenient, good reliability, precision is high, and float type level gauge is broadly applicable
In high temperature, the continuous measurement of high pressure, thick oil.
The oil return opening of the surge tank lower end is arranged threeway, and threeway link circuit bypass pipe all the way, another way is by cutting
Only one cleaning discharge pipe of valve connection, setting cleaning discharge pipe can be convenient for accumulating the replacement of hydraulic oil in hydraulic system.
The long-pending oil liquid level gauge, the first hydraulic oil liquid level gauge, the second hydraulic oil liquid level gauge are all made of float type level gauge, float
Minor liquid level gauge has the features such as simple in structure, debugging is convenient, good reliability, precision is high, and float type level gauge is broadly applicable
In high temperature, the continuous measurement of high pressure, thick oil.
The control valve is motor-operated control valve, which is electrically connected with PLC controller, and motor-operated control valve has body
Product it is small, it is light-weight, line is simple, flow is big, degree of regulation is high the features such as.
The control valve is pneumatic control valve, which is electrically connected with PLC controller, Hysteresis for Pneumatic Control Valves letter
Single, rapid reaction and essential safety, are not required in addition take explosion precaution again.
Using above-mentioned utility model, it can improve hydraulic oil utilization ratio in opening natural gas compression system, can ensure to press
The duration of compression system work.
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 the first hydraulic booster container, and 2 be the second hydraulic booster container, and 3 be supply air line, and 4 be air inlet discrimination
Pipe, 5 be the second breather check valve, and 6 be hydraulic oil pipeline, and 7 be pressure-increasing unit pipe, and 8 be outgassing nonreturn valve, and 9 be surge tank, and 10 are
Escape pipe, 11 be circuit bypass pipe, and 12 be long-pending oil liquid level gauge, and 13 valves in order to control, 14 be oil outlet pipe, and 15 be shut-off valve, and 16 are
First hydraulic oil liquid level gauge, 17 be the second hydraulic oil liquid level gauge, and 18 are back liquid check valve, and 19 be the first breather check valve.
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 natural pressure compression apparatus surge tank long-pending oil recovery system, natural pressure compression apparatus delays
It includes erectting the hydraulic booster container of setting, surge tank 9 to rush tank long-pending oil recovery system, and the upper end of the hydraulic booster container passes through
Second breather check valve 5 is connect with supply air line 3, is connect with 7 upstream end of pressure-increasing unit pipe by outgassing nonreturn valve 8, and supercharging is defeated
The downstream of pipe 7 is sent to be connect with 9 upper end of surge tank, an outlet pipe 10 is connected to 9 upper end of surge tank, the hydraulic booster container
Lower end connect with hydraulic oil pipeline 6, hydraulic booster container intracavity top be equipped with hydraulic oil liquid level gauge, the supply air line
The first breather check valve 19 is arranged in 3 upstream end.Lower end connection primary Ioops bypass pipe 11 and the supply air line 3 of the surge tank 9
It connecting, liquid check valve 18 is set back on the circuit bypass pipe 11, second breather check valve 5 is arranged in inlet manifold 4,
The inlet manifold 4 is located between the first breather check valve 19 and time liquid check valve 18 to be connected to supply air line 3, the surge tank
Control valve 13 is set on the circuit bypass pipe 11 between 9 and time liquid check valve 18, and the control valve 13 can be motor-operated control valve, should
Motor-operated control valve is electrically connected with PLC controller, motor-operated control valve have it is small, it is light-weight, line is simple, flow is big, adjusting
The features such as precision is high.The control valve 13 or pneumatic control valve, the pneumatic control valve are electrically connected with PLC controller, pneumatically
Control valve controls simple, rapid reaction and essential safety, is not required in addition take explosion precaution again.9 intracavitary lower end of the surge tank
Equipped with long-pending oil liquid level gauge 12, hydraulic booster container intracavity top is equipped with hydraulic oil liquid level gauge, the control valve 13, long-pending oil liquid
Position meter 12, hydraulic oil liquid level gauge are electrically connected PLC controller, and PLC controller reliability is high, and programming is easy.Preferably, described slow
The oil return opening setting threeway of 9 lower end of tank is rushed, link circuit bypass pipe 11, another way connect one by shut-off valve 15 all the way for the threeway
Discharge pipe is cleaned, setting cleaning discharge pipe can be convenient for accumulating the replacement of hydraulic oil in hydraulic system.
The utility model is not only limited to above-described embodiment, the hydraulic booster container include the first hydraulic booster container 1,
Second hydraulic booster container 2, the first hydraulic booster container 1, the second hydraulic booster container 2, upper end respectively passes through second
Breather check valve 5 is connect with supply air line 3, is connect with 7 upstream end of pressure-increasing unit pipe by outgassing nonreturn valve 8, first liquid
1 inner cavity top of power pressurized container is equipped with the first hydraulic oil liquid level gauge 16, and the 2 inner cavity top of the second hydraulic booster container is equipped with the
Two hydraulic oil liquid level gauges 17, the first hydraulic oil liquid level gauge 16, the second hydraulic oil liquid level gauge 17 are electrically connected with PLC controller
It connects, using this structure, the first hydraulic booster container 1 of setting, the second hydraulic booster container 2 can increase entire compressibility
Working efficiency；When the first hydraulic booster container 1 carries out compression operation, the second hydraulic booster container 2 carries out air inlet oil extraction operation
When, there are pressure difference, the high pressures of the first hydraulic booster container 1 between the first hydraulic booster container 1 and the second hydraulic booster container 2
Natural gas enters in surge tank 9, and when control valve is opened, the hydraulic oil of the accumulation in surge tank 9 enters under pressure
Into the second hydraulic booster container 2, similarly, when the second hydraulic booster container 2 carries out compression operation, the first hydraulic booster container 1
When carrying out air inlet oil extraction operation, the hydraulic oil of the accumulation in surge tank 9 enters the first hydraulic booster container 1 under pressure
In, it can realize that buffering fills the automatic promotion for accumulating hydraulic oil in 9, eliminate oil pumping device, or liquid is pushed using difference of height
The limitation of pressure oil structure.The liquid level that first hydraulic oil liquid level gauge 16 monitors hydraulic oil in the first hydraulic booster container 1 in time is set
Situation, the second hydraulic oil liquid level gauge of setting 17 monitor the level condition of hydraulic oil in the second hydraulic booster container 2 in time.Long-pending oil liquid
Position the 12, first hydraulic oil liquid level gauge 16 of meter, the second hydraulic oil liquid level gauge 17 are all made of float type level gauge, float type level gauge tool
Have the features such as simple in structure, debugging is convenient, good reliability, precision is high, float type level gauge be widely portable to high temperature, high pressure,
The continuous measurement of thick oil.The first hydraulic booster container 1,2 intracavitary of the second hydraulic booster container are equipped with cold for recycling
But medium by heat exchanger.
When carrying out natural gas compressing operation using the above scheme, supply air line 3 supplies natural gas, natural in supply air line 3
The air pressure of gas is 3-20MPa, when the first hydraulic booster container 1 carries out compression operation, in surge tank 9 air pressure reach 20-25MPa,
When second hydraulic booster container 2 carries out air inlet oil extraction operation, the air pressure of natural gas is 3-20MPa in the second hydraulic booster container 2,
There are pressure differences, long-pending oil liquid level gauge 12 to detect in surge tank 9 between first hydraulic booster container 1 and the second hydraulic booster container 2
The burden of hydraulic oil, when control valve 13 is opened, the hydraulic oil of the accumulation in surge tank 9 enters second under pressure
In hydraulic booster container 2, similarly, when the second hydraulic booster container 2 carries out compression operation, the first hydraulic booster container 1 is into traveling
When gas oil extraction operation, the hydraulic oil of the accumulation in surge tank 9 is entered under pressure in the first hydraulic booster container 1, energy
It is enough to realize that buffering fills the automatic promotion for accumulating hydraulic oil in 9.Using above-mentioned utility model, it can improve opening natural gas compression system
Middle hydraulic oil utilization ratio can ensure the duration of compressibility work.
Claims (7)
1. a kind of natural pressure compression apparatus surge tank long-pending oil recovery system, including erect the hydraulic booster container of setting, surge tank
（9）, the upper end of the hydraulic booster container passes through the second breather check valve（5）With supply air line（3）Connection, it is unidirectional by outlet
Valve（8）With pressure-increasing unit pipe（7）Upstream end connects, pressure-increasing unit pipe（7）Downstream and surge tank（9）Upper end connects, and one goes out
Air pipe（10）It is connected to surge tank（9）Upper end, the lower end of the hydraulic booster container and hydraulic oil pipeline（6）Connection, it is special
Sign is：The surge tank（9）Lower end connect primary Ioops bypass pipe（11）With supply air line（3）Connection, the circuit bypass
Pipe（11）It is upper that liquid check valve is set back（18）, the supply air line（3）Upstream end be arranged the first breather check valve（19）, described
Second breather check valve（5）It is arranged in inlet manifold（4）On, the inlet manifold（4）Positioned at the first breather check valve（19）With
Return liquid check valve（18）Between with supply air line（3）Connection, the surge tank（9）With time liquid check valve（18）Between circuit by
Siphunculus（11）One control valve of upper setting（13）, the surge tank（9）Intracavitary lower end is equipped with long-pending oil liquid level gauge（12）, the fluid power increasing
Pressure vessel inner cavity top is equipped with hydraulic oil liquid level gauge, the control valve（13）, long-pending oil liquid level gauge（12）, hydraulic oil liquid level gauge it is electric
Connect PLC controller.
2. natural pressure compression apparatus surge tank long-pending oil recovery system according to claim 1, it is characterised in that：The fluid power
Pressurized container includes the first hydraulic booster container（1）, the second hydraulic booster container（2）, the first hydraulic booster container（1）、
Second hydraulic booster container（2）, upper end respectively passes through the second breather check valve（5）With supply air line（3）Connection, passes through outlet
Check valve（8）With pressure-increasing unit pipe（7）Upstream end connects, the first hydraulic booster container（1）Inner cavity top is equipped with the first liquid
Pressure oil liquid level gauge（16）, the second hydraulic booster container（2）Inner cavity top is equipped with the second hydraulic oil liquid level gauge（17）, described
One hydraulic oil liquid level gauge（16）, the second hydraulic oil liquid level gauge（17）It is electrically connected with PLC controller.
3. natural pressure compression apparatus surge tank long-pending oil recovery system according to claim 1 or 2, it is characterised in that：It is described
Long-pending oil liquid level gauge（12）, the first hydraulic oil liquid level gauge（16）, the second hydraulic oil liquid level gauge（17）It is all made of float type level gauge.
4. natural pressure compression apparatus surge tank long-pending oil recovery system according to claim 2, it is characterised in that：Described first
Hydraulic booster container（1）, the second hydraulic booster container（2）Intracavitary be equipped with for circulating cooling medium by heat exchanger.
5. natural pressure compression apparatus surge tank long-pending oil recovery system according to claim 1, it is characterised in that：The buffering
Tank（9）Threeway is arranged in the oil return opening of lower end（20）, threeway link circuit bypass pipe all the way（11）, another way passes through shut-off valve
（15）One cleaning discharge pipe of connection（14）.
6. natural pressure compression apparatus surge tank long-pending oil recovery system according to claim 1, it is characterised in that：The control
Valve（13）For motor-operated control valve, which is electrically connected with PLC controller.
7. natural pressure compression apparatus surge tank long-pending oil recovery system according to claim 1, it is characterised in that：The control
Valve（13）For pneumatic control valve, which is electrically connected with PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721797997.3U CN207673782U (en) | 2017-12-21 | 2017-12-21 | Natural pressure compression apparatus surge tank long-pending oil recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721797997.3U CN207673782U (en) | 2017-12-21 | 2017-12-21 | Natural pressure compression apparatus surge tank long-pending oil recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673782U true CN207673782U (en) | 2018-07-31 |
Family
ID=62970275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721797997.3U Active CN207673782U (en) | 2017-12-21 | 2017-12-21 | Natural pressure compression apparatus surge tank long-pending oil recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673782U (en) |
-
2017
- 2017-12-21 CN CN201721797997.3U patent/CN207673782U/en active Active
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