CN204646814U - A kind of energy recovery type hydraulic oil pumping machine hydraulic equipment - Google Patents
A kind of energy recovery type hydraulic oil pumping machine hydraulic equipment Download PDFInfo
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- CN204646814U CN204646814U CN201520177190.4U CN201520177190U CN204646814U CN 204646814 U CN204646814 U CN 204646814U CN 201520177190 U CN201520177190 U CN 201520177190U CN 204646814 U CN204646814 U CN 204646814U
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Abstract
The utility model discloses a kind of energy recovery type hydraulic oil pumping machine hydraulic equipment, comprise constant pressure variable displacement pump and described constant pressure variable displacement pump is connected to one-way valve and fuel tank, described one-way valve is connected to system accumulator, system relief valve, selector valve and reduction valve, described reduction valve is connected to recovery accumulator, reclaim relief valve and hydraulic synchronous motor, described selector valve is connected with described hydraulic synchronous motor, described hydraulic synchronous motor is connected with high-pressure rubber pipe, the described high-pressure rubber pipe the other end is connected with relief valve, described relief valve is connected with pumping unit, described pumping unit is connected with back pressure valve, described back pressure valve is connected with described fuel tank.The beneficial effects of the utility model: by system accumulator with reclaim accumulator and relief valve and hydraulic synchronous motor effect, effectively raise the Security of use, and installed power is little and energy saving of system, and then this energy recovery type hydraulic oil pumping machine hydraulic equipment is made to have more wide development space.
Description
Technical field
The utility model relates to field of petroleum exploitation, specifically, relates to a kind of energy recovery type hydraulic oil pumping machine hydraulic equipment.
Background technique
Pumping unit is by the oil production equipment of oil from underground mining to ground, is widely used in each oil field, the world.Crude oil is evacuated to ground by driving sucker rod to make downhole pump pump by pumping unit.Because oil well reaches thousands of rice deeply, thus sucker rod can reach several tons of weights; Sucker rod needs very large power when driving oil well pump to rise; Sucker rod needs again very large braking force time descending by deadweight; Force equipment to add energy consumption, increase cost of production.Pumping production system energy-saving and cost-reducing is the emphasis of petroleum production process energy conservation, reduces cost for oil production, tool of increasing economic efficiency is of great significance for oil play.Hydraulic pumping unit is easy to realize long stroke, low jig frequency operation, oil well productivity can be played to greatest extent in petroleum production, extend working life and the well workover cycle of underground equipment, and in deep-well and the exploitation of thick well, there is Economy of recovering the oil preferably, therefore the domestic and international development to hydraulic pumping unit is attached great importance to.Although hydraulic pumping unit has come out for many years, the hydraulic system due to majority has not reclaimed energy when sucker rod declines, and system is not energy-conservation, and installed power is large, and Security is low, therefore not yet formally comes into operation.
So when developing a kind of use, Security is high, installed power is little and the hydraulic oil pumping machine hydraulic equipment of energy saving of system, just becomes the problem that Professional visitors needs solution badly.
Summary of the invention
For when in correlation technique, above-mentioned lacking in the market uses, Security is high, installed power is little and the problem of the hydraulic oil pumping machine hydraulic equipment of energy saving of system, the utility model proposes a kind of energy recovery type hydraulic oil pumping machine hydraulic equipment, effectively can solve the problem that when conventional hydraulic pumping unit hydraulic device uses, Security is low, installed power large and system is not energy-conservation.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
A kind of energy recovery type hydraulic oil pumping machine hydraulic equipment, comprise constant pressure variable displacement pump and described constant pressure variable displacement pump is connected to one-way valve and fuel tank, described one-way valve is connected to system accumulator, system relief valve, selector valve and reduction valve, described reduction valve is connected to recovery accumulator, reclaim relief valve and hydraulic synchronous motor, described selector valve is connected with described hydraulic synchronous motor, described hydraulic synchronous motor is connected with high-pressure rubber pipe, the described high-pressure rubber pipe the other end is connected with relief valve, described relief valve is connected with pumping unit, described pumping unit is connected with back pressure valve, described back pressure valve is connected with described fuel tank.
Further, decline series flow control valve is connected with between described selector valve and described hydraulic synchronous motor.
Further, rising series flow control valve is connected with between described high-pressure rubber pipe and described hydraulic synchronous motor.
Further, described high-pressure rubber pipe is connected with between described pumping unit and described back pressure valve.
Further, described selector valve is connected with described back pressure valve.
Further, described system relief valve, described hydraulic synchronous motor, described reduction valve, described recovery relief valve are all connected with described fuel tank with described back pressure valve.
The beneficial effects of the utility model: by system accumulator with reclaim accumulator and relief valve and hydraulic synchronous motor effect, effectively raise the Security of use, and installed power is little and energy saving of system, and then this energy recovery type hydraulic oil pumping machine hydraulic equipment is made to have more wide development space.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the energy recovery type hydraulic oil pumping machine hydraulic equipment according to the utility model embodiment.
In figure:
1, constant pressure variable displacement pump; 2, relief valve is reclaimed; 3, reduction valve; 4, system accumulator; 5, accumulator is reclaimed; 6, hydraulic synchronous motor; 7, rising series flow control valve; 8, high-pressure rubber pipe; 9, relief valve; 10, pumping unit; 11, decline series flow control valve; 12, selector valve; 13, one-way valve; 14, system relief valve; 15, back pressure valve; 16, fuel tank.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain, belong to the scope of the utility model protection.
As shown in Figure 1, a kind of energy recovery type hydraulic oil pumping machine hydraulic equipment according to embodiment of the present utility model, comprise constant pressure variable displacement pump 1 and described constant pressure variable displacement pump 1 is connected to one-way valve 13 and fuel tank 16, described one-way valve 13 is connected to system accumulator 4, system relief valve 14, selector valve 12 and reduction valve 3, described reduction valve 3 is connected to and reclaims accumulator 5, reclaim relief valve 2 and hydraulic synchronous motor 6, described selector valve 12 is connected with described hydraulic synchronous motor 6, described hydraulic synchronous motor 6 is connected with high-pressure rubber pipe 8, described high-pressure rubber pipe 8 the other end is connected with relief valve 9, described relief valve 9 is connected with pumping unit 10, described pumping unit 10 is connected with back pressure valve 15, described back pressure valve 15 is connected with described fuel tank 16.
In one embodiment, decline series flow control valve 11 is connected with between described selector valve 12 and described hydraulic synchronous motor 6.
In one embodiment, rising series flow control valve 7 is connected with between described high-pressure rubber pipe 8 and described hydraulic synchronous motor 6.
In one embodiment, described high-pressure rubber pipe 8 is connected with between described pumping unit 10 and described back pressure valve 15.
In one embodiment, described selector valve 12 is connected with described back pressure valve 15.
In one embodiment, described system relief valve 14, described hydraulic synchronous motor 6, described reduction valve 3 are all connected with described fuel tank 16 with described recovery relief valve 2.
Conveniently understand technique scheme of the present utility model, below by way of in concrete usage mode, technique scheme of the present utility model is described in detail.
When specifically using, described constant pressure variable displacement pump 1 and described system accumulator 4 are jointly for system provides oil sources, when the sucker rod decline in described pumping unit 10, stopping, system does not need to provide flow, now the pressure oil that described constant pressure variable displacement pump 1 exports stores by described system accumulator 4, and when described system accumulator 4 internal pressure raises, during the pressure set close to described constant pressure variable displacement pump 1, described constant pressure variable displacement pump 1 output flow reduces automatically, thus reduces energy consumption, the heating of minimizing system.When sucker rod in described pumping unit 10 rises, the a large amount of oil sources of system requirements, described constant pressure variable displacement pump 1 and described system accumulator 4 are jointly for system provides oil sources, therefore described constant pressure variable displacement pump 1 only needs to provide the oil sources being a bit larger tham system mean flowrate, thus reduce the model of pump and motor, reduce the installed power of hydraulic system, investment reduction.The described hydraulic synchronous motor 6 of application technology maturation, long service life, as pressurized machine and the acting in conjunction of described recovery accumulator 5, carries out energy regenerating and utilization.When sucker rod in described pumping unit 10 declines, described selector valve 12 is in left position; The right side of described hydraulic synchronous motor 6 acts on motor operating conditions, the left side of described hydraulic synchronous motor 6 is driven to act on pump condition, low pressure oil in described fuel tank 16 is pressurized in described recovery accumulator 5, carry out energy regenerating, the braking force when resistance simultaneously on the right side of described hydraulic synchronous motor 6 provides the sucker rod in described pumping unit 10 descending.When sucker rod in described pumping unit 10 stops, described selector valve 12 is in meta, and only move to make the sucker rod in described pumping unit 10 with the underpressure in described recovery accumulator 5, sucker rod is static.When sucker rod in described pumping unit 10 rises, described selector valve 12 is in right position, described in pressure oil in described recovery accumulator 5, described fuel tank 16 is got back in the left side of hydraulic synchronous motor 6, the left side of described hydraulic synchronous motor 6 acts on motor operating conditions, the right side of described hydraulic synchronous motor 6 is driven to act on suction booster operating mode, carry out Energy harvesting, thus reduce the delivery pressure demand of described constant pressure variable displacement pump 1, reduce system energy consumption.If described high-pressure rubber pipe 8 breaks, sucker rod in described pumping unit 10 will decline fast, to be increased by the flow of described relief valve 9, flow is set once by flowing exceed of described relief valve 9, described relief valve 9 will cut out, sucker rod in described pumping unit 10 stops declining, play the function that pipeline is explosion-proof, avoid the accident of meeting accident, after recovering the connection of described high-pressure rubber pipe 8, the described right position of selector valve 12 obtains electric, and the pressure of described relief valve 9 is raised, described relief valve 9 resets, and system can normally work.
In sum, by means of technique scheme of the present utility model, by system accumulator 4 with reclaim accumulator 5 and relief valve 9 and hydraulic synchronous motor 6 and act on, effectively raise the Security of use, and installed power is little and energy saving of system, and then this energy recovery type hydraulic oil pumping machine hydraulic equipment is made to have more wide development space.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. an energy recovery type hydraulic oil pumping machine hydraulic equipment, it is characterized in that, comprise constant pressure variable displacement pump (1) and described constant pressure variable displacement pump (1) is connected to one-way valve (13) and fuel tank (16), described one-way valve (13) is connected to system accumulator (4), system relief valve (14), selector valve (12) and reduction valve (3), described reduction valve (3) is connected to and reclaims accumulator (5), reclaim relief valve (2) and hydraulic synchronous motor (6), described selector valve (12) is connected with described hydraulic synchronous motor (6), described hydraulic synchronous motor (6) is connected with high-pressure rubber pipe (8), described high-pressure rubber pipe (8) the other end is connected with relief valve (9), described relief valve (9) is connected with pumping unit (10), described pumping unit (10) is connected with back pressure valve (15), described back pressure valve (15) is connected with described fuel tank (16).
2. energy recovery type hydraulic oil pumping machine hydraulic equipment according to claim 1, is characterized in that, is connected with decline series flow control valve (11) between described selector valve (12) and described hydraulic synchronous motor (6).
3. energy recovery type hydraulic oil pumping machine hydraulic equipment according to claim 1, is characterized in that, is connected with rising series flow control valve (7) between described high-pressure rubber pipe (8) and described hydraulic synchronous motor (6).
4. energy recovery type hydraulic oil pumping machine hydraulic equipment according to claim 1, is characterized in that, is connected with described high-pressure rubber pipe (8) between described pumping unit (10) and described back pressure valve (15).
5. energy recovery type hydraulic oil pumping machine hydraulic equipment according to claim 1, is characterized in that, described selector valve (12) is connected with described back pressure valve (15).
6. energy recovery type hydraulic oil pumping machine hydraulic equipment according to claim 1, it is characterized in that, described system relief valve (14), described hydraulic synchronous motor (6), described reduction valve (3) are all connected with described fuel tank (16) with described recovery relief valve (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520177190.4U CN204646814U (en) | 2015-03-26 | 2015-03-26 | A kind of energy recovery type hydraulic oil pumping machine hydraulic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520177190.4U CN204646814U (en) | 2015-03-26 | 2015-03-26 | A kind of energy recovery type hydraulic oil pumping machine hydraulic equipment |
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| CN204646814U true CN204646814U (en) | 2015-09-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156379A (en) * | 2015-10-14 | 2015-12-16 | 东北大学 | Energy-saving constant-pressure oil source system and control method thereof |
| CN105672952A (en) * | 2016-04-14 | 2016-06-15 | 麦格瑞科技（北京）有限公司 | Intelligent non-beam hydraulic oil pumping technology and hydraulic oil pumping machine |
| CN107420071A (en) * | 2017-08-04 | 2017-12-01 | 福建双环能源科技股份有限公司 | A kind of hydraulic pumping unit energy conserving system |
| AU2018268620B2 (en) * | 2017-05-16 | 2020-06-11 | Sunward Intelligent Equipment Co., Ltd. | Automatic-pressure-matching energy utilization system |
-
2015
- 2015-03-26 CN CN201520177190.4U patent/CN204646814U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156379A (en) * | 2015-10-14 | 2015-12-16 | 东北大学 | Energy-saving constant-pressure oil source system and control method thereof |
| CN105156379B (en) * | 2015-10-14 | 2017-03-08 | 东北大学 | A kind of energy-saving constant pressure oil source system and its control method |
| CN105672952A (en) * | 2016-04-14 | 2016-06-15 | 麦格瑞科技（北京）有限公司 | Intelligent non-beam hydraulic oil pumping technology and hydraulic oil pumping machine |
| AU2018268620B2 (en) * | 2017-05-16 | 2020-06-11 | Sunward Intelligent Equipment Co., Ltd. | Automatic-pressure-matching energy utilization system |
| EP3626979A4 (en) * | 2017-05-16 | 2021-02-24 | Sunward Intelligent Equipment Co., Ltd. | Automatic-pressure-matching energy utilization system |
| CN107420071A (en) * | 2017-08-04 | 2017-12-01 | 福建双环能源科技股份有限公司 | A kind of hydraulic pumping unit energy conserving system |
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