CN108868904A - It is a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy - Google Patents
It is a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy Download PDFInfo
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- CN108868904A CN108868904A CN201810611277.6A CN201810611277A CN108868904A CN 108868904 A CN108868904 A CN 108868904A CN 201810611277 A CN201810611277 A CN 201810611277A CN 108868904 A CN108868904 A CN 108868904A
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- natural gas
- hydraulic
- regulating system
- motor speed
- variable
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/002—Reciprocating-piston liquid engines details; components parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/26—Reciprocating-piston liquid engines adapted for special use or combined with apparatus driven thereby
Abstract
The present invention relates to a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy, and the hydraulic variable motor speed-regulating system includes expanding machine, hydraulic pump, accumulator, variable displacement motor, controller, natural gas line；The expanding machine and hydraulic pump links together, and is placed in natural gas line；The output end of the hydraulic pump connects check valve, and is equipped with safety valve, accumulator, variable displacement motor in the output end of the check valve, using being connected in parallel between safety valve and accumulator, using series connection between accumulator and variable displacement motor；The variable displacement motor is equipped with controller and generator；The output end of the variable displacement motor is equipped with oil cooler, filter, fuel tank.Its advantage is shown：Of the invention is a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy, and natural gas overbottom pressure utilization rate height can be used for multiple natural gas line overbottom pressure centralized recoveries and concentrate hair industrial-frequency alternating current.
Description
Technical field
The present invention relates to natural gas remaining energy utilization technology fields, specifically, being a kind of for recycling natural gas
The hydraulic variable motor speed-regulating system of remaining energy.
Background technique
Shale gas " well factory " platform usually has 4~8 gas recovery wells, and the gas pressure height of gas production well conduit is reachable
100MPa, and oil vapor treatment factory enters the station between pipeline pressure 10MPa~12MPa.For guarantee oil vapor treatment factory pressure requirements, one
As by reducer unit to high-pressure natural gas carry out step pressure reducing processing.High-pressure natural gas can lose very big in decompression process
A part of pressure energy, and all wasted.Therefore, if centralized recovery day shale gas " well work can be adopted an effective measure
" the natural gas gas remaining energy of the multiple gas recovery wells of platform reduces the pressure energy lost during pressure regulation, for reducing the wave of resource for factory
Take, improve the significant of the performance of enterprises
205,064,001 206129326 U of U, CN of Chinese patent literature CN, CN203892871 U, above-mentioned patent weather
Taking can scheme：Pressure energy of natural gas → expanding machine → gear-box → generator, but the following defects and deficiencies exist：Do not illustrate it
Whether generator directly sends out industrial-frequency alternating current.
205,064,001 206129326 U of U, CN of Chinese patent literature CN, CN203892871 U patent use gear teeth
Roller box, but the following defects and deficiencies exist：It is expensive, and overhaul was needed using 5~7 years, it is at high cost.
205,064,001 206129326 U of U, CN of Chinese patent literature CN, CN203892871 U, CN-105927491
The a set of remaining energy that can only be recycled in a natural gas line of power generation recyclable device that A patent uses, is unable to centralized recovery energy
Power generation.
Described in summary, need that a kind of natural gas overbottom pressure utilization rate is high, hydraulic variable motor regulator drive system of Flexible Transmission
System is used for shale gas " well factory " multiple natural gas line overbottom pressure centralized recoveries and concentrates the hydraulic variable flow horse of hair industrial-frequency alternating current
Up to speed-regulating system.And it yet there are no report about this hydraulic variable motor speed-regulating system.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, providing, a kind of natural gas overbottom pressure utilization rate is high, flexible passes
Dynamic hydraulic variable motor timing gearing system is used for shale gas " well factory " multiple natural gas line overbottom pressure centralized recovery unions
The hydraulic variable motor speed-regulating system of middle hair industrial-frequency alternating current.
Another object of the present invention provides a kind of application of hydraulic variable motor timing gearing system.
To achieve the above object, the technical solution adopted by the present invention is that：
It is a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy, the hydraulic variable motor speed regulation
System includes expanding machine, hydraulic pump, accumulator, variable displacement motor, controller, natural gas line；The expanding machine and hydraulic pump
It links together, and is placed in natural gas line；Quantity in the natural gas line is at least one, every natural gas tube
Be provided with the expanding machine and hydraulic pump to match in road, and each hydraulic pump by the way of being connected in parallel；Described is hydraulic
The output end of pump connects check valve, and is equipped with safety valve, accumulator, variable displacement motor in the output end of the check valve, safety valve with
Using being connected in parallel between accumulator, using series connection between accumulator and variable displacement motor；The variable displacement motor is equipped with
Controller and generator；The output end of the variable displacement motor is equipped with oil cooler, filter, fuel tank；The oil cooler and
Filter is connected by concatenated mode, and oil cooler is connected with fuel tank.
As a kind of perferred technical scheme, the hydraulic variable motor speed-regulating system includes Closed Hydraulic variable displacement motor
Speed-regulating system or open hydraulic variable displacement motor speed-regulating system two types.
As a kind of perferred technical scheme, the natural gas line includes well head christmas tree pipeline and natural delivery pipe
Road.
As a kind of perferred technical scheme, in parallel with oil cooler, and recharging oil device and fuel tank communicate, the flushing valve
It is connect with hydraulic pump.
As a kind of perferred technical scheme, the fuel tank is connect by check valve with hydraulic pump.
As a kind of perferred technical scheme, the natural gas line, hydraulic pump, expanding machine, check valve form energy
Converting unit.
As a kind of perferred technical scheme, the energy conversion unit is at least one.
As a kind of perferred technical scheme, the generator, variable displacement motor, controller form power-frequency generation unit.
As a kind of perferred technical scheme, the power-frequency generation unit is at least one.
To realize above-mentioned second purpose, the technical solution adopted by the present invention is that：
The hydraulic variable motor speed-regulating system the multiple natural gas line overbottom pressure centralized recoveries of shale gas " well factory " simultaneously
Concentrate the application on hair industrial-frequency alternating current.
The invention has the advantages that：
1, of the invention a kind of for recycling the Closed Hydraulic variable displacement motor speed-regulating system of natural gas remaining energy, more than natural gas
It presses utilization rate high, can be used for multiple natural gas line overbottom pressure centralized recoveries and concentrate hair industrial-frequency alternating current.
2, natural gas line line number amount, the setting expanding machine that quantity matches therewith and hydraulic pump are placed in natural gas line
It is interior, realize the remaining energy recycling of multiple natural gas lines.It is easy to implement the power generation of centralized recovery energy.
3, check valve only allows liquid stream to flow in one direction in pipeline, it can be achieved that the high pressure oil parallel connection that multiple pumps generate
Output.
4, when safety valve function is that the pressure of system is more than setting safe pressure value, overflow the oil liquid of system by valve port
A part of oil return box, system pressure caused by preventing natural gas pressure high from causing system excessive or component wear are abnormal.
5, accumulator is the energy-storage travelling wave tube in hydraulic system, it stores extra pressure oil liquid, and releases when needed
Feed system, replenishment system flow and pressure, and pressure jump causes pressure fluctuation more than buffering and absorption natural gas, guarantees system
Pressure and flow realize its dynamic adjustment function in a stable range convenient for controller.
6, variable displacement motor is driven by high pressure oil and is rotated, and variable displacement motor is dynamically adjusted by controller, realizes motor output
One constant revolving speed is not influenced by the variation of natural gas overbottom pressure.
7, generator realizes the variable displacement motor band of invariablenes turning speed according to variable displacement motor constant output selection of speed number of magnetic pole pairs
Dynamic generator rotation generates industrial-frequency alternating current.
8, oil cooler, filter, flushing valve, fuel tank, recharging oil device are hydraulic pressure auxiliary element, guarantee that system stablizes fortune
Row.
9, formula hydraulic variable motor speed-regulating system of the invention can adopt an effective measure and damage during recycling natural gas pressure regulating
The pressure energy of mistake, it is significant for the waste, the raising performance of enterprises that reduce resource.
Detailed description of the invention
Attached drawing 1 is of the invention a kind of for recycling the knot of the Closed Hydraulic variable displacement motor speed-regulating system of natural gas remaining energy
Structure block diagram.
Attached drawing 2 is of the invention a kind of for recycling the knot of the open hydraulic variable displacement motor speed-regulating system of natural gas remaining energy
Structure block diagram.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the invention.
Appended drawing reference involved in attached drawing and component part are as follows：
1. 2. hydraulic pump of expanding machine
3. 4. safety valve of check valve
5. 6. variable displacement motor of accumulator
7. 8. generator of controller
9. 10. filter of oil cooler
11. 12. recharging oil device of fuel tank
13. 14. natural gas line of flushing valve
15. 16. power-frequency generation unit of energy conversion unit
Embodiment 1
Fig. 1 is please referred to, Fig. 1 is that a kind of Closed Hydraulic variable displacement motor 6 for recycling natural gas remaining energy of the invention is adjusted
The structural block diagram of speed system.It is a kind of for recycling 6 speed-regulating system of Closed Hydraulic variable displacement motor of natural gas remaining energy, described closes
6 speed-regulating system of formula hydraulic variable motor includes expanding machine 1, hydraulic pump 2, accumulator 5, variable displacement motor 6, controller 7, natural gas tube
Road 14；The expanding machine 1 and hydraulic pump 2 links together, and is placed in natural gas line 14；The natural gas line 14
Interior quantity is at least one, and the expanding machine 1 and hydraulic pump 2 to match is provided in every natural gas line 14；And it is each
Hydraulic pump 2 by the way of being connected in parallel；The output end of the hydraulic pump 2 connects check valve 3；The check valve 3
Output end is equipped with safety valve 4, accumulator 5, variable displacement motor 6, uses and is connected in parallel between safety valve 4 and accumulator 5, accumulator 5
Using series connection between variable displacement motor 6；The variable displacement motor 6 is equipped with controller 7 and generator 8；The variable horse
Output end up to 6 is equipped with oil cooler 9, filter 10, fuel tank 11, recharging oil device 12, flushing valve 13；The oil cooler 9
It is connected with filter 10 by concatenated mode, and oil cooler 9 is connected with fuel tank 11；The flushing valve 13, recharging oil device
12 is in parallel with oil cooler 9, and recharging oil device 12 and fuel tank 11 communicate.
It should be noted that：
The natural gas remaining energy that the expanding machine 1 recycles, expanding machine 1 rotates and hydraulic pump 2 is driven to generate high pressure oil, swollen
Swollen machine 1 and hydraulic pump 2 are applied in combination, and fixed placement is in natural duct.The natural gas line 14 includes well head christmas tree
Pipeline and natural conveyance conduit.
The 14 line number amount of natural gas line, the setting expanding machine 1 that quantity matches therewith and hydraulic pump 2 are placed in naturally
In feed channel 14, the remaining energy recycling of multiple natural gas lines 14 is realized.It is easy to implement the power generation of centralized recovery energy.
Described 3, check valve allow liquid stream to be flowed in one direction in pipeline, it can be achieved that the high pressure that multiple pumps generate
Oily parallel output.
Natural gas line 14, expanding machine 1, hydraulic pump 2 and the check valve 3 forms energy conversion unit 15, energy
Converting unit 15 is at least one, realizes that hydraulic pump 2 concentrates output high pressure oil in multiple natural gas lines 14 in parallel.As one kind
It is preferred that energy conversion unit 15 is two, and uses and be connected in parallel between two energy conversion units 15.
When 4 function of safety valve is that the pressure of system is more than setting safe pressure value, the oil liquid of system is made to pass through valve port
Overflow a part of oil return box 11, system pressure caused by preventing natural gas pressure high from causing system excessive or component wear
It is abnormal.
The accumulator 5 is the energy-storage travelling wave tube in hydraulic system, it stores extra pressure oil liquid, and releases when needed
Feed system, replenishment system flow and pressure are released, and pressure jump causes pressure fluctuation more than buffering and absorption natural gas, guarantees
System pressure and flow realize its dynamic adjustment function in a stable range, convenient for controller 7.
The variable displacement motor 6 is driven by high pressure oil to be rotated, and variable displacement motor 6 is dynamically adjusted by controller 7, realizes horse
Up to one constant revolving speed of output, do not influenced by the variation of natural gas overbottom pressure.
The generator 8 realizes the variable of invariablenes turning speed according to 6 constant output selection of speed number of magnetic pole pairs of variable displacement motor
Motor 6 drives the rotation of generator 8 to generate industrial-frequency alternating current.
For preventing system overheat, filter 10 is used to filter out the impurity in oil liquid, flushing valve 13 oil cooler 9
For heating heat exchange, fuel tank 11 is for storing oil liquid, recharging oil device 12, for 13 heat exchange of leakage and flushing valve to be replenished in time
Oil liquid guarantees system steady operation.
The oil cooler 9, filter 10, flushing valve 13, fuel tank 11, recharging oil device 12 are hydraulic pressure auxiliary element,
Guarantee system stable operation.
The present invention constitutes 6 timing gearing system of Closed Hydraulic variable displacement motor, realizes to multiple 14 residual air pressures of natural gas line
The centralized recovery of energy utilizes output industrial-frequency alternating current.
6 timing gearing system working principle of Closed Hydraulic variable displacement motor of the present invention：
(1) pressure energy of natural gas that expanding machine 1 recycles makes expanding machine 1 rotate (pressure energy of natural gas is converted into mechanical energy)；
(2) rotation of expanding machine 1 drives the rotation of hydraulic pump 2 to generate high pressure oil (pressure energy that mechanical energy is converted into liquid)；
(3) high pressure liquid pressure oil is exported by oil pipe and is used for subsequent hydraulic motor.Meanwhile hydraulic variable motor 6 passes through
Dynamic controls, and adjusts it and exports revolving speed, guarantees that generator 8 exports industrial-frequency alternating current, completes gas pressure energy and is changed into rotation
Turn the recycling overall process of mechanical energy.
Embodiment 2
Referring to figure 2., Fig. 2 is the open hydraulic variable displacement motor tune that another kind of the invention is used to recycle natural gas remaining energy
The structural block diagram of speed system.The present embodiment is substantially the same manner as Example 1, the difference is that, the hydraulic variable flow in embodiment 1
Motor governing system is closed type structure, and the hydraulic variable motor speed-regulating system in the present embodiment is open architecture, i.e. this implementation
Not set flushing valve 13, recharging oil device 12 in example, and fuel tank 11 directlys adopt check valve 3 and connect with hydraulic pump 2, simplifies entire
The structure of system.Secondly, variable displacement motor 6, controller 7, generator 8 form power-frequency generation unit 16, power frequency hair in the present embodiment
Electric unit 16 is at least one, so as to realize multiple 14 overbottom pressure centralized recoveries of natural gas line and concentrate hair industrial frequency AC
Electricity.As a preference, power-frequency generation unit 16 is two, and uses and be connected in parallel between two power-frequency generation units 16.
Of the invention is a kind of for recycling 6 speed-regulating system of hydraulic variable motor of natural gas remaining energy, natural gas overbottom pressure benefit
With rate height, it can be used for multiple 14 overbottom pressure centralized recoveries of natural gas line and concentrate hair industrial-frequency alternating current；The natural gas line
14 line number amounts, the setting expanding machine 1 that quantity matches therewith and hydraulic pump 2 are placed in natural gas line 14, are realized multiple natural
The remaining energy of feed channel 14 recycles.It is easy to implement the power generation of centralized recovery energy；Described 3 permission liquid streams of check valve are in pipeline
Flowing is, it can be achieved that the high pressure oil parallel output that multiple pumps generate in one direction；4 function of safety valve is that the pressure of system is super
When crossing setting safe pressure value, so that the oil liquid of system is overflowed a part of oil return box 11 by valve port, prevent natural gas pressure high
System pressure caused by causing system excessive or component wear is abnormal；The accumulator 5 is the energy storage in hydraulic system
Element, it stores extra pressure oil liquid, and releases feed system when needed, replenishment system flow and pressure, and buffers
Cause pressure fluctuation with pressure jump more than natural gas is absorbed, guarantees that system pressure and flow in a stable range, are convenient for
Controller 7 realizes its dynamic adjustment function；The variable displacement motor 6 is driven by high pressure oil to be rotated, and variable displacement motor 6 is by controller
7 dynamic adjustment, realize that motor exports a constant revolving speed, are not influenced by the variation of natural gas overbottom pressure；The power generation
Machine 8 realizes that the variable displacement motor 6 of invariablenes turning speed drives 8 turns of generator according to 6 constant output selection of speed number of magnetic pole pairs of variable displacement motor
Movable property gives birth to industrial-frequency alternating current；The oil cooler 9, filter 10, flushing valve 13, fuel tank 11, recharging oil device 12 are hydraulic
Auxiliary element guarantees system stable operation.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy, which is characterized in that the hydraulic change
Measuring motor governing system includes expanding machine, hydraulic pump, accumulator, variable displacement motor, controller, natural gas line；The expansion
Machine and hydraulic pump link together, and are placed in natural gas line；Quantity in the natural gas line is at least one, often
Be provided with the expanding machine and hydraulic pump to match in root natural gas line, and each hydraulic pump by the way of being connected in parallel；
The output end of the hydraulic pump connects check valve, and is equipped with safety valve, accumulator, variable horse in the output end of the check valve
It reaches, using being connected in parallel between safety valve and accumulator, using series connection between accumulator and variable displacement motor；The variable
Motor is equipped with controller and generator；The output end of the variable displacement motor is equipped with oil cooler, filter, fuel tank；Described
Oil cooler is connected with filter by concatenated mode, and oil cooler is connected with fuel tank.
2. hydraulic variable motor speed-regulating system according to claim 1, which is characterized in that the hydraulic variable motor tune
Speed system includes Closed Hydraulic variable displacement motor speed-regulating system or open hydraulic variable displacement motor speed-regulating system two types.
3. hydraulic variable motor speed-regulating system according to claim 1, which is characterized in that the natural gas line includes well
Mouth christmas tree pipeline and natural conveyance conduit.
4. hydraulic variable motor speed-regulating system according to claim 2, which is characterized in that the output end of the variable displacement motor
It is additionally provided with recharging oil device, flushing valve；The flushing valve, recharging oil device are in parallel with oil cooler, and recharging oil device and fuel tank
It communicates, the flushing valve is connect with hydraulic pump.
5. hydraulic variable motor speed-regulating system according to claim 2, which is characterized in that the fuel tank passes through check valve
It is connect with hydraulic pump.
6. hydraulic variable motor speed-regulating system according to claim 1, which is characterized in that the natural gas line, liquid
Press pump, expanding machine, check valve form energy conversion unit.
7. hydraulic variable motor speed-regulating system according to claim 1, which is characterized in that the energy conversion unit is
At least one.
8. hydraulic variable motor speed-regulating system according to claim 5, which is characterized in that the generator, variable horse
It reaches, controller forms power-frequency generation unit.
9. hydraulic variable motor speed-regulating system according to claim 8, which is characterized in that the power-frequency generation unit is
At least one.
10. -9 described in any item hydraulic variable motor speed-regulating systems according to claim 1, which is characterized in that the hydraulic change
Amount motor governing system is in the multiple natural gas line overbottom pressure centralized recoveries of shale gas " well factory " and concentrates on hair industrial-frequency alternating current
Application.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611277.6A CN108868904B (en) | 2018-06-14 | 2018-06-14 | Hydraulic variable motor speed regulating system for recovering natural gas residual pressure energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611277.6A CN108868904B (en) | 2018-06-14 | 2018-06-14 | Hydraulic variable motor speed regulating system for recovering natural gas residual pressure energy |
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|---|---|
| CN108868904A true CN108868904A (en) | 2018-11-23 |
| CN108868904B CN108868904B (en) | 2020-12-11 |
Family
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| CN201810611277.6A Expired - Fee Related CN108868904B (en) | 2018-06-14 | 2018-06-14 | Hydraulic variable motor speed regulating system for recovering natural gas residual pressure energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110195677A (en) * | 2019-05-21 | 2019-09-03 | 西安交通大学 | A kind of parallel distributed energy by ocean current hydraulic drive generator group and its control method |
| CN110259633A (en) * | 2019-05-21 | 2019-09-20 | 西安交通大学 | The progressive distributed energy by ocean current hydraulic drive generator group of one kind and its control method |
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| CN110259633A (en) * | 2019-05-21 | 2019-09-20 | 西安交通大学 | The progressive distributed energy by ocean current hydraulic drive generator group of one kind and its control method |
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|---|---|
| CN108868904B (en) | 2020-12-11 |
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