CN221074797U - Oil-electricity dual-purpose accumulator charging system applied to pressurized working machine - Google Patents
Oil-electricity dual-purpose accumulator charging system applied to pressurized working machine Download PDFInfo
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- CN221074797U CN221074797U CN202323218897.9U CN202323218897U CN221074797U CN 221074797 U CN221074797 U CN 221074797U CN 202323218897 U CN202323218897 U CN 202323218897U CN 221074797 U CN221074797 U CN 221074797U
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- unloading
- oil inlet
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- 239000003921 oil Substances 0.000 claims abstract description 169
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract 2
- 238000004146 energy storage Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to the technical field of oilfield exploitation equipment, in particular to a liquid filling system of an oil-electricity dual-purpose accumulator, which is applied to a pressurized working machine; the hydraulic oil pump comprises an oil tank, wherein an oil outlet of the oil tank is respectively connected with an engine pump group and a motor pump group, oil outlet ends of the engine pump group and the motor pump group are respectively provided with one-way valves, the oil outlet ends of the two one-way valves are connected with a main pipeline after being gathered through pipelines, and the main pipeline is sequentially connected with an energy accumulator group and a slip blowout preventer system; when the liquid filling system works, when the oil pipe in the well is in a light pipe state, the energy accumulator group is singly filled with liquid through the engine pump group, so that the energy accumulator group supplies oil to the slip blowout preventer system; when the oil pipe in the well is in the pipe weight state, the engine pump set is flameout, and the motor pump set is used for filling liquid into the energy accumulator set, so that the idling power of the engine is far greater than the requirement of the energy accumulator pump when the oil pipe is in the pipe weight state, and the fuel consumption loss is caused, thereby achieving the purpose of saving energy.
Description
Technical Field
The utility model relates to the technical field of oilfield exploitation equipment, in particular to a liquid filling system of an oil-electricity dual-purpose accumulator, which is applied to a pressurized working machine.
Background
The prior pressurized operation equipment is popularized and applied in large scale in the international and domestic oilfield operation, and the main working process is that a power source provides hydraulic power, and an oil pipe is lowered into a well or lifted out of a wellhead through the cooperation of a lifting and slip blowout preventer system of an oil cylinder; the pressure operation equipment is divided into an independent structure and an auxiliary structure, when the auxiliary pressure operation equipment works, a workover rig is required to be matched with the operation, and when an oil pipe is in a 'pipe light' state (when the pressure in the pit is higher than the weight of the oil pipe in the pit, an oil cylinder and a slip blowout preventer system are required to be matched with each other to perform the operation; when the oil pipe is in a 'pipe weight' state (when the jacking force of the underground pressure to the oil pipe is smaller than the weight of the underground oil pipe), namely the workover rig and the slip blowout preventer system are used for working cooperatively to improve the working efficiency, the oil cylinder pump is unloaded at the moment, but partial power loss still exists due to the back pressure of the system, the engine only provides power for the energy accumulator pump at the moment, and the idle power of the engine is far greater than the energy accumulator pump requirement, so that energy waste is caused.
Disclosure of utility model
The utility model aims to provide a liquid filling system of an oil-electricity dual-purpose accumulator, which is applied to a pressurized working machine and mainly solves the technical problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a be applied to dual-purpose energy storage ware liquid filling system of oil electricity of pressurized operation machine, includes the oil tank, the oil-out of oil tank is connected with engine pump package and motor pump package respectively, engine pump package and motor pump package's play oily end is installed the check valve respectively, and two the play oily end of check valve is connected with the trunk line after converging through the pipeline, connect gradually energy storage ware group and slips preventer system on the trunk line for engine pump package and motor pump package give energy storage ware group liquid filling, and give slips preventer system oil feeding through energy storage ware group;
the oil inlet of the slip blowout preventer system is provided with a pressure reducing valve for adjusting the oil inlet pressure of the slip blowout preventer system;
The liquid filling system further comprises two unloading valve groups, wherein the oil inlet end of each unloading valve group is connected with the oil inlet end and the oil outlet end of one-way valve through pipelines respectively, the oil return ends of the two unloading valve groups are communicated with the oil inlet of the oil tank after being collected through unloading pipelines, and the unloading valve groups are used for unloading an engine pump group and a motor pump group.
Preferably, the oil outlet end of the unloading valve group is communicated with the unloading pipeline through a flow pipeline, and a manual valve is arranged on the flow pipeline.
Preferably, the oil inlet end of the main pipeline is communicated with the unloading pipeline through an oil return pipeline, and a stop valve is arranged on the oil return pipeline.
Preferably, the oil inlet end of the unloading valve group, the oil inlet end of the energy accumulator group and the oil inlet end of the slip blowout preventer system are respectively provided with a pressure gauge for displaying working pressure of each part.
Preferably, an oil outlet of the oil tank is provided with an oil suction filter, and an oil inlet of the oil tank is provided with an oil return filter.
Preferably, the oil inlet end of the energy accumulator group is provided with a pressure controller for low-pressure alarm.
Preferably, the unloading valve group comprises an unloading overflow valve and a two-position two-way hydraulic control valve, and the oil inlet end of the unloading overflow valve is communicated with the oil inlet end of the one-way valve; one oil inlet end of the two-position two-way hydraulic control valve is communicated with the oil outlet end of the one-way valve, a bypass pipeline is arranged on the unloading overflow valve, the oil outlet end of the bypass pipeline is respectively communicated with the remaining oil inlet end of the two-position two-way hydraulic control valve and the oil inlet end of the flow pipeline, and the unloading overflow valve and the oil outlet end of the two-position two-way hydraulic control valve are communicated with an oil inlet of the oil tank after being collected through the unloading pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
1. When the liquid filling system is operated, when the oil pipe in the well is in a light pipe state, the oil is absorbed by the oil tank through the engine pump set to fill the accumulator set, so that the accumulator set supplies oil to the slip blowout preventer system; when the oil pipe in the well is in the pipe weight state, the engine pump set is flameout, the motor pump set is used for absorbing oil to charge the energy accumulator set through the oil tank alone, and the idling power of the engine is far greater than the requirement of the energy accumulator pump when the oil pipe of the charging system is in the pipe weight state, so that the oil consumption loss is caused, and the purpose of saving energy is achieved.
2. In the utility model, as the oil outlet ends of the engine pump group and the motor pump group are respectively provided with the one-way valve, the two pump groups are not mutually influenced in the working process and can work simultaneously, so that the energy accumulator group can quickly reach the working pressure requirement, and the working efficiency is improved; the other pump set can also be used as a standby liquid filling system, so that after one pump set is damaged, the other pump set can continue to operate, and the safe use coefficient of the liquid filling system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a dual-purpose accumulator charging system for oil and electricity applied to a pressurized work machine of the present utility model;
In the figure: 1. the hydraulic system comprises an oil tank, 2, an engine pump group, 3, a motor pump group, 4, a one-way valve, 5, a main pipeline, 6, an energy accumulator group, 7, a slip blowout preventer system, 8, a pressure reducing valve, 9, an unloading valve group, 10, an unloading pipeline, 11, a manual valve, 12, a stop valve, 13, a pressure gauge, 14, an oil absorption filter, 15, an oil return filter, 16, a pressure controller, 17 and an oil return pipeline.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the utility model provides a hydraulic and electric dual-purpose accumulator filling system applied to a pressurized working machine, which comprises an oil tank 1, wherein oil outlets of the oil tank 1 are respectively provided with an engine pump group 2 and a motor pump group 3 through pipelines, oil outlet ends of the engine pump group 2 and the motor pump group 3 are respectively provided with a one-way valve 4, the oil outlet ends of the two one-way valves 4 are connected with a main pipeline 5 after being gathered through the pipelines, the main pipeline 5 is sequentially connected with an accumulator group 6 and a slip blowout preventer system 7, so that the engine pump group 2 and the motor pump group 3 are used for filling the accumulator group 6, and the slip blowout preventer system 7 is supplied with oil through the accumulator group 6; the oil inlet of the slip blowout preventer system 7 is provided with a pressure reducing valve 8 for adjusting the oil inlet pressure of the slip blowout preventer system 7; the liquid filling system further comprises two unloading valve groups 9, wherein the oil inlet end of each unloading valve group 9 is connected with the oil inlet end and the oil outlet end of one-way valve 4 through pipelines respectively, the oil return ends of the two unloading valve groups 9 are communicated with the oil inlet of the oil tank 1 after being converged through an unloading pipeline 10, and the unloading valve groups 9 are used for unloading the engine pump group 2 and the motor pump group 3.
In the embodiment, when the liquid filling system works, when an oil pipe in a well is in a light pipe state, the engine pump set 2 is started, so that the engine pump set 2 singly absorbs oil through the oil tank 1 to fill the accumulator set 6, and then the accumulator set 6 supplies oil to the slip blowout preventer system 7; when the oil pipe in the well is in a pipe weight state, the motor pump set 3 is started, the engine pump set 2 is flamed out, so that the motor pump set 3 can absorb oil through the oil tank 1 to charge the energy accumulator set 6, and the idle power of the engine is far greater than the requirement of the energy accumulator pump when the oil pipe in the pipe weight state of the liquid charging system is operated, so that the oil consumption loss is caused, and the aim of saving energy is achieved; the oil outlet ends of the engine pump set 2 and the motor pump set 3 are respectively provided with the one-way valve 4, so that the two pump sets are not mutually influenced in the working process and can work simultaneously, the energy accumulator set 6 can quickly reach the working pressure requirement, and the working efficiency is improved; the other pump set can also be used as a standby liquid filling system of the energy accumulator group 6, so that after one pump set is damaged, the other pump set can continue to operate, and the safe use coefficient of the liquid filling system is improved; and in the oil supply process, when the charging pressure of the accumulator set 6 reaches a set pressure value, unloading can be carried out on the engine pump set 2 or the motor pump set 3 through the unloading valve set 9.
It should be noted that: the check valve 4 in the embodiment is in a plug-in structure, so that the overall dimension of a valve block formed by the first check valve 4 and the unloading valve group 9 is greatly reduced, the weight is lightened, and the constraints of weight and installation occupied space are met; meanwhile, the unloading valve group 9 in the embodiment comprises an unloading overflow valve and a two-position two-way hydraulic control valve, and the oil inlet end of the unloading overflow valve is communicated with the oil inlet end of the one-way valve 4; one oil inlet end of the two-position two-way hydraulic control valve is communicated with the oil outlet end of the one-way valve 4, a bypass pipeline is arranged on the unloading overflow valve, the oil outlet end of the bypass pipeline is respectively communicated with the remaining oil inlet end of the two-position two-way hydraulic control valve and the oil inlet end of the manual valve 11, and the oil outlet ends of the unloading overflow valve and the two-position two-way hydraulic control valve are communicated with the oil inlet of the oil tank 1 after being gathered through the unloading pipeline 10; when the filling pressure of the pump set reaches the set pressure value of the unloading valve group 9, unloading is carried out on the oil inlet end of the one-way valve 4 through the unloading overflow valve, and if the unloading overflow valve cannot meet the unloading requirement, unloading is carried out on the oil outlet end of the one-way valve 4 through the two-position two-way hydraulic control valve; meanwhile, part of oil flowing into the unloading overflow valve flows into the oil inlet end of the two-position two-way hydraulic control valve through the bypass pipeline and is discharged into the unloading pipeline 10 from the oil outlet end of the two-position two-way hydraulic control valve, so that the unloading overflow valve and the two-position two-way hydraulic control valve simultaneously discharge part of oil flowing through the one-way valve 4, and the purpose of unloading a pump set can be quickly realized.
Further, the oil outlet end of the unloading valve group 9 is communicated with an unloading pipeline 10 through a flow pipeline, and a manual valve 11 is arranged on the flow pipeline; because the pump set cannot be started under load, before the pump set is started, the manual valve 11 is firstly required to be opened to discharge oil in the pump set, so that the manual valve 11 is closed after the pump set is started.
Further, the oil inlet end of the main pipeline 5 is communicated with the unloading pipeline 10 through an oil return pipeline, and a stop valve 12 is arranged on the oil return pipeline; when the liquid filling system stops working, the stop valve 12 is opened, part of the residual oil in the main pipeline 5 is discharged into the oil tank 1 through the oil return pipeline, and the main pipeline 5 is unloaded.
Further, the oil inlet end of the unloading valve group 9, the oil inlet end of the accumulator group 6 and the oil inlet end of the slip blowout preventer system 7 are respectively provided with a pressure gauge 13 for displaying working pressure of each part.
Further, an oil outlet of the oil tank 1 is provided with an oil suction filter 14, and an oil inlet of the oil tank 1 is provided with an oil return filter 15; the filter unit is used for filtering solid granular impurities contained in oil, guaranteeing the fluidity of the oil entering the pump set and reducing the damage to the inside of the pump set.
Further, the oil inlet end of the accumulator group 6 is provided with a pressure controller 16 for low-pressure alarming to prompt insufficient oil supply pressure of the pump group.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. A be applied to oil electricity dual-purpose energy storage ware charging system of pressurized working machine which characterized in that: the hydraulic oil pump comprises an oil tank (1), wherein an oil outlet of the oil tank (1) is respectively connected with an engine pump group (2) and a motor pump group (3), oil outlet ends of the engine pump group (2) and the motor pump group (3) are respectively provided with one-way valves (4), the oil outlet ends of the two one-way valves (4) are connected with a main pipeline (5) after being gathered through pipelines, and the main pipeline (5) is sequentially connected with an energy accumulator group (6) and a slip blowout preventer system (7), so that the engine pump group (2) and the motor pump group (3) are filled with the energy accumulator group (6) and the slip blowout preventer system (7) is supplied with oil through the energy accumulator group (6);
An oil inlet of the slip blowout preventer system (7) is provided with a pressure reducing valve (8) for adjusting the oil inlet pressure of the slip blowout preventer system (7);
The liquid filling system further comprises two unloading valve groups (9), wherein the oil inlet end of each unloading valve group (9) is connected with the oil inlet end and the oil outlet end of one-way valve (4) through pipelines respectively, the oil return ends of the two unloading valve groups (9) are communicated with the oil inlet of the oil tank (1) after being converged through an unloading pipeline (10), and the unloading valve groups (9) are used for unloading an engine pump group (2) and a motor pump group (3).
2. The hydro-electric dual-purpose accumulator charging system for a pressurized work machine of claim 1, wherein: the oil outlet end of the unloading valve group (9) is communicated with the unloading pipeline (10) through a flow pipeline, and a manual valve (11) is arranged on the flow pipeline.
3. The hydro-electric dual-purpose accumulator charging system for a pressurized work machine of claim 1, wherein: the oil inlet end of the main pipeline (5) is communicated with the unloading pipeline (10) through an oil return pipeline (17), and a stop valve (12) is arranged on the oil return pipeline (17).
4. The hydro-electric dual-purpose accumulator charging system for a pressurized work machine of claim 1, wherein: the oil inlet end of the unloading valve group (9), the oil inlet end of the energy accumulator group (6) and the oil inlet end of the slip blowout preventer system (7) are respectively provided with a pressure gauge (13) for displaying working pressure of each part.
5. The hydro-electric dual-purpose accumulator charging system for a pressurized work machine of claim 1, wherein: an oil outlet of the oil tank (1) is provided with an oil suction filter (14), and an oil inlet of the oil tank (1) is provided with an oil return filter (15).
6. The hydro-electric dual-purpose accumulator charging system for a pressurized work machine of claim 1, wherein: the oil inlet end of the energy accumulator group (6) is provided with a pressure controller (16) for low-pressure alarm.
7. The hydro-electric dual-purpose accumulator charging system for a pressurized work machine of claim 2, wherein: the unloading valve group (9) comprises an unloading overflow valve and a two-position two-way hydraulic control valve, and the oil inlet end of the unloading overflow valve is communicated with the oil inlet end of the one-way valve (4); one oil inlet end of the two-position two-way hydraulic control valve is communicated with the oil outlet end of the one-way valve (4), a bypass pipeline is arranged on the unloading overflow valve, the oil outlet end of the bypass pipeline is respectively communicated with the remaining oil inlet end of the two-position two-way hydraulic control valve and the oil inlet end of the flow pipeline, and the unloading overflow valve and the oil outlet end of the two-position two-way hydraulic control valve are communicated with an oil inlet of the oil tank (1) after being collected through the unloading pipeline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323218897.9U CN221074797U (en) | 2023-11-28 | 2023-11-28 | Oil-electricity dual-purpose accumulator charging system applied to pressurized working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323218897.9U CN221074797U (en) | 2023-11-28 | 2023-11-28 | Oil-electricity dual-purpose accumulator charging system applied to pressurized working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074797U true CN221074797U (en) | 2024-06-04 |
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ID=91254685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323218897.9U Active CN221074797U (en) | 2023-11-28 | 2023-11-28 | Oil-electricity dual-purpose accumulator charging system applied to pressurized working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074797U (en) |
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2023
- 2023-11-28 CN CN202323218897.9U patent/CN221074797U/en active Active
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