阅读说明：本技术 蓄能器增压装置 (Accumulator supercharging device ) 是由 石志刚 于 2018-11-27 设计创作，主要内容包括：本发明公开了一种蓄能器增压装置,包含：气驱泵；第一进气部件和第二进气部件,其输出端连接于气驱泵；蓄能器,其输入端连接于气驱泵输出端；第一进气部件输送第一气体并驱动气驱泵工作,同时所述的第二进气部件输送第二气体至气驱泵的进口,气驱泵将进口的第二气体增压输出到蓄能器。本发明解决井口控制盘和液压动力单元等油田设备的蓄能器高压充氮气要求,通过本装置能使蓄能器充压至最高69MPa,满足设备设计需要,从而实现设备的性能稳定,安全可靠。(The invention discloses an accumulator supercharging device, comprising: a gas driven pump; the output ends of the first air inlet component and the second air inlet component are connected with the air-driven pump; the input end of the energy accumulator is connected with the output end of the air drive pump; the first air inlet component conveys first air and drives the air drive pump to work, meanwhile, the second air inlet component conveys second air to an inlet of the air drive pump, and the air drive pump outputs the second air at the inlet to the energy accumulator in a pressurization mode. The invention solves the requirement of high-pressure nitrogen filling of the energy accumulator of oil field equipment such as a wellhead control panel, a hydraulic power unit and the like, and the energy accumulator can be pressurized to the maximum 69MPa by the device, thereby meeting the design requirement of the equipment, and realizing stable performance, safety and reliability of the equipment.)

1. An accumulator supercharging device, comprising:

a gas driven pump;

the output ends of the first air inlet component and the second air inlet component are connected with the air-driven pump;

the input end of the energy accumulator is connected with the output end of the air drive pump;

the first air inlet component is used for conveying first air and driving the air drive pump to work, meanwhile, the second air inlet component is used for conveying second air to an inlet of the air drive pump, and the air drive pump is used for outputting the second air at the inlet to the energy accumulator in a pressurization mode.

2. The accumulator supercharging device of claim 1, wherein said first air intake component comprises: the gas pressure regulating device comprises a first gas switch, a pressure regulating valve and a first gas pressure gauge;

the inlet of the first gas switch is connected with a first gas source;

the inlet of the pressure regulating valve is connected with the outlet of the first gas switch, and the outlet of the pressure regulating valve is connected with the inlet of the gas-driven pump;

the first gas pressure gauge is arranged on a pipeline between the outlet of the pressure regulating valve and the inlet of the gas drive pump.

3. The accumulator supercharging device of claim 1, wherein said second air intake component comprises: a second gas switch and a second gas pressure gauge; the inlet of the second gas switch is connected to a second gas source, and the outlet of the second gas switch is connected to the inlet of the gas-driven pump; and the second gas pressure gauge is arranged on a pipeline between the second gas switch and the gas-driven pump.

4. The accumulator pressurization device of claim 1, further comprising a check valve, an overflow valve and an accumulator switch connected in series, wherein an inlet of said check valve is connected to an outlet of said gas drive pump, and an outlet of said accumulator switch is connected to said accumulator.

5. The accumulator boosting device of claim 4, wherein an accumulator pressure gauge is provided on the pipe between the overflow valve and the accumulator switch.

6. The accumulator boosting device of claim 4, further comprising a relief switch having an inlet connected to the accumulator switch inlet.

7. The accumulator pressurization device of claim 1, wherein said first gas is air.

8. The accumulator pressurization device of claim 1, wherein said second gas is nitrogen.

Technical Field

The invention relates to the field of oil exploitation equipment, in particular to an energy accumulator supercharging device.

Background

At present, the existing nitrogen charging method of the energy accumulator mainly uses an energy accumulator manufacturer with a tool, one end of the energy accumulator manufacturer is connected with an industrial nitrogen cylinder, and the other end of the energy accumulator manufacturer is connected with the energy accumulator. The GB standard air pressure of a common industrial nitrogen cylinder is 13MPa-15MPa, and the design requirement of a high-pressure energy accumulator of oil-gas field equipment cannot be met.

Disclosure of Invention

The invention aims to provide an energy accumulator supercharging device, which solves the problem of high-pressure nitrogen charging requirements of energy accumulators of oil field equipment such as a wellhead control disc, a hydraulic power unit and the like, and can charge the energy accumulators to the maximum 69MPa by the device, so that the design requirements of the equipment are met, and the equipment is stable in performance, safe and reliable.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an accumulator supercharging device is characterized by comprising:

a gas driven pump;

the output ends of the first air inlet component and the second air inlet component are connected with the air-driven pump;

the input end of the energy accumulator is connected with the output end of the air drive pump;

the first air inlet component is used for conveying first air and driving the air drive pump to work, meanwhile, the second air inlet component is used for conveying second air to an inlet of the air drive pump, and the air drive pump is used for outputting the second air at the inlet to the energy accumulator in a pressurization mode.

The first air intake component comprises: the gas pressure regulating device comprises a first gas switch, a pressure regulating valve and a first gas pressure gauge;

the inlet of the first gas switch is connected with a first gas source;

the inlet of the pressure regulating valve is connected with the outlet of the first gas switch, and the outlet of the pressure regulating valve is connected with the inlet of the gas-driven pump;

the first gas pressure gauge is arranged on a pipeline between the outlet of the pressure regulating valve and the inlet of the gas drive pump.

The second air intake component comprises: a second gas switch and a second gas pressure gauge; the inlet of the second gas switch is connected to a second gas source, and the outlet of the second gas switch is connected to the inlet of the gas-driven pump; and the second gas pressure gauge is arranged on a pipeline between the second gas switch and the gas-driven pump.

The energy accumulator supercharging device further comprises a check valve, an overflow valve and an energy accumulator switch which are sequentially connected, wherein the inlet of the check valve is connected to the outlet of the gas drive pump, and the outlet of the energy accumulator switch is connected to the energy accumulator.

And an energy accumulator pressure gauge is arranged on a pipeline between the overflow valve and the energy accumulator switch.

The accumulator supercharging device also comprises a release switch, and the inlet of the release switch is connected with the inlet of the accumulator switch.

The first gas is air.

The second gas is nitrogen.

Compared with the prior art, the invention has the following advantages:

the device solves the requirement of high-pressure nitrogen filling of the energy accumulators of oil field equipment such as a wellhead control disc, a hydraulic power unit and the like, can enable the energy accumulators to be pressurized to the maximum 69MPa, and meets the design requirement of the equipment, thereby realizing stable performance, safety and reliability of the equipment.

The energy accumulator overhauling and maintaining device aiming at oil field equipment such as a wellhead control panel WCP, a hydraulic power unit HPU and the like is applied to nitrogen pressure charging and discharging of various energy accumulators and pressure resistance testing of the energy accumulators, and can also be applied to pressure test detection of the sealing performance of a pneumatic valve.

Drawings

FIG. 1 is a schematic diagram of the operation of an accumulator supercharging assembly according to the present invention;

FIG. 2 is a schematic structural diagram of an accumulator supercharging device according to the present invention;

fig. 3 is a schematic view of the internal structure of the present invention.

Detailed Description

The present invention will now be further described by way of the following detailed description of a preferred embodiment thereof, taken in conjunction with the accompanying drawings.

As shown in fig. 1 and 3, an accumulator supercharging apparatus includes: a gas drive pump 1; the output ends of the first air inlet component and the second air inlet component are connected with the air drive pump 1; the input end of the energy accumulator 4 is connected with the output end of the gas drive pump 1; the first air inlet component conveys first air and drives the air-driven pump 1 to work, meanwhile, the second air inlet component conveys second air to the inlet of the air-driven pump 1, and the air-driven pump 1 boosts the second air at the inlet and outputs the second air to the energy accumulator 4.

The first air intake component comprises: a first gas switch 21, a pressure regulating valve 22, and a first gas pressure gauge 23; the inlet of the first gas switch 21 is connected with a first gas source; the inlet of the pressure regulating valve 22 is connected with the outlet of the first gas switch 21, and the outlet of the pressure regulating valve 22 is connected with the inlet of the gas-driven pump 1; the first gas pressure gauge 23 is arranged on a pipeline between the outlet of the pressure regulating valve 22 and the inlet of the gas drive pump 1.

The second air intake component comprises: a second gas switch 31 and a second gas pressure gauge 32; the inlet of the second gas switch 31 is connected to a second gas source, and the outlet of the second gas switch 31 is connected to the inlet of the gas-driven pump 1; the second gas pressure gauge 32 is arranged on a pipeline between the second gas switch 31 and the gas-driven pump 1.

In a specific embodiment, the energy accumulator supercharging device further comprises a check valve 5, an overflow valve 6 and an energy accumulator switch 7 which are sequentially connected, wherein an inlet of the check valve 5 is connected to an outlet of the gas drive pump 1, an outlet of the energy accumulator switch 7 is connected to the energy accumulator 4, and an energy accumulator pressure gauge 8 is arranged on a pipeline between the overflow valve 6 and the energy accumulator switch 7.

In the embodiment shown, the accumulator pressurisation means further comprises a bleed switch 9, the inlet of which is connected to the inlet of the accumulator switch 7.

The first gas is air, and the second gas is nitrogen.

In specific use, the first gas switch 21, the pressure regulating valve 22, the first gas pressure gauge 23, the second gas switch 31, the second gas pressure gauge 32, the accumulator switch 7, the accumulator pressure gauge 8 and the relief switch 9 may be integrated into an operation panel 10 (see fig. 2). In this embodiment, the first gas switch 21 and the second gas switch 31 are ball valves, and the accumulator switch 7 and the relief switch 9 are needle valves.

This device is equipped with four interfaces: on one hand, the two interfaces are respectively connected with an air source and a nitrogen source, namely an air interface and a nitrogen interface, and the interfaces are 3/8OD cutting sleeves; on the other hand, the device also comprises two connectors which are respectively connected with the interface of the release switch and the interface of the energy accumulator, and the interfaces are 1/4MP card sleeves.

With reference to fig. 1, in the specific application of the invention, clean compressed air (max 0.8MPa) and an industrial nitrogen cylinder are connected into the device, the pressure of the air at the inlet of the air-driven pump is adjusted by the pressure regulating valve, the air-driven pump is driven to work, then the air-driven pump boosts the pressure of the nitrogen at the inlet and outputs the nitrogen to the energy accumulator, and the maximum output pressure of the air-driven pump is 69MPa (namely the highest chargeable pressure of the pre-charged energy accumulator). The specific operation flow is as follows:

referring to fig. 2, the accumulator switch 7 is turned on, the release switch 9 is turned off, the accumulator pressure gauge 8 is checked, the pressure of the charged accumulator 4 is detected, the second gas switch 31 and the first gas switch 21 on the operation panel 10 are turned on, then the pressure regulating valve 22 on the operation panel drives the gas drive pump 1 to work, at the moment, the nitrogen of the nitrogen cylinder enters the energy accumulator 4 after being compressed, when the energy accumulator 4 is pressurized to the technical design pressure, the operation of the pressure regulating valve 22 is immediately stopped, at which time the gas-driven pump 1 stops working, the second gas switch 31 and the first gas switch 21 are closed, and the energy accumulator switch 4 is closed, the gas pressure in the pressure regulating valve 22 is adjusted to zero, the relief switch 9 is opened, and when three pressure gauges (a first gas pressure gauge, a second gas pressure gauge and an energy accumulator pressure gauge) on the operation panel are all reduced to zero, pipelines on two sides of the device are removed, so that the whole energy accumulator nitrogen charging device is completed.

In conclusion, the energy accumulator supercharging device provided by the invention can meet the requirement of high-pressure nitrogen charging of the energy accumulator of oil field equipment such as a wellhead control panel and a hydraulic power unit, the energy accumulator can be charged to the maximum 69MPa through the device, and the design requirement of the equipment is met, so that the stable performance, safety and reliability of the equipment are realized.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.