CN219081945U - Safety valve hydraulic control system - Google Patents
Safety valve hydraulic control system Download PDFInfo
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- CN219081945U CN219081945U CN202223106820.8U CN202223106820U CN219081945U CN 219081945 U CN219081945 U CN 219081945U CN 202223106820 U CN202223106820 U CN 202223106820U CN 219081945 U CN219081945 U CN 219081945U
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Abstract
The utility model belongs to the technical field of petroleum equipment, and particularly relates to a hydraulic control system of a safety valve, which comprises the following components: the control pipeline comprises a hydraulic oil tank and a hydraulic oil pipe, and the top of the hydraulic oil tank is connected with the hydraulic oil pipe; the safety valve is connected with the hydraulic oil pipe; the oil return pipeline is connected between the tail end of the hydraulic oil tank and the tail end of the hydraulic oil pipe, the oil return pipeline comprises an oil return pipe, an oil return pump, a control valve, an oil filtering tank and a filter screen, the oil return pipe is connected between the tail end of the hydraulic oil tank and the tail end of the hydraulic oil pipe, the oil return pump, the control valve and the oil filtering tank are arranged on the oil return pipe, the filter screen is arranged in the oil filtering tank, when the pipeline is maintained in the later period, the oil return pump is opened, oil in the safety valve enters the oil return pipeline through the oil return pipe, the oil is filtered by the oil filtering tank, the oil is recycled into the hydraulic oil tank, and the safety valve is decompressed for use when the later period is convenient to maintain.
Description
Technical Field
The utility model relates to the technical field of petroleum equipment, in particular to a hydraulic control system of a safety valve.
Background
The high-pressure manifold of the petroleum equipment and the outlet of the fracturing pump are both provided with the safety valve, and the safety valve has the function of automatically opening when the pressure of the outlet system of the high-pressure manifold and the fracturing pump reaches or exceeds a set value, so that the manifold and the fracturing pump are ensured not to exceed the set pressure, and the equipment is ensured to normally operate under the safety pressure.
The patent number CN201620419362.9 discloses a hydraulic control system of a safety valve, which comprises a safety valve, wherein the safety valve comprises a cylinder barrel, a piston positioned in the cylinder barrel, and a steel ball positioned at one end part of the piston; the hydraulic control system is connected with the cylinder oil port, and the hydraulic control system comprises: an oil pump; the power source is used for driving the oil pump to rotate; the overflow valve is positioned at the oil outlet of the oil pump, and the outlet of the overflow valve is connected with the oil tank; a solenoid valve located between the oil pump and the cylinder; and the energy accumulator is positioned at the oil port of the cylinder barrel. The hydraulic control system of the safety valve can remotely control the opening pressure of the safety valve, and is simple and safe in pressure regulation.
Above-mentioned relief valve hydraulic control system adopts the check valve, and the hydraulic pressure pipeline that makes presents the structure of one-way circulation, when long-time use needs to maintain the pipeline, need unload the oil pressure in relief valve and the pipeline, and above-mentioned relief valve hydraulic control system only can the one-way control fluid, can not accomplish the pressure release, inconvenient later maintenance use.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned and/or problems occurring in the prior art relief valve hydraulic control systems.
Therefore, the utility model aims to provide a hydraulic control system of a safety valve, which is characterized in that a hydraulic oil pipe is connected between a hydraulic oil tank and the safety valve, an oil return pipe is connected between the hydraulic oil pipe and the hydraulic oil tank, an oil return pump, a control valve and an oil filtering tank are arranged on the oil return pipe, oil is supplied through the hydraulic oil pipe when the safety valve is used, the oil return pump is opened when the pipeline is maintained in the later period, oil in the safety valve enters the oil return pipeline through the oil return pipe, the oil filtering tank is used for filtering the oil, the oil is recycled into the hydraulic oil tank, and the safety valve is convenient to decompress and use when the safety valve is maintained in the later period.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a relief valve hydraulic control system, comprising:
the control pipeline comprises a hydraulic oil tank and a hydraulic oil pipe, and the top of the hydraulic oil tank is connected with the hydraulic oil pipe;
the safety valve is connected with the hydraulic oil pipe;
the oil return pipeline is connected between the tail ends of the hydraulic oil tank and the hydraulic oil pipe, the oil return pipeline comprises an oil return pipe, an oil return pump, a control valve, an oil filtering tank and a filter screen, the oil return pipe is connected between the hydraulic oil tank and the tail ends of the hydraulic oil pipe, the oil return pipe is provided with the oil return pump, the control valve and the oil filtering tank, and the filter screen is arranged in the oil filtering tank.
As a preferable mode of the hydraulic control system of a relief valve according to the present utility model, wherein: the hydraulic oil pipe is sequentially provided with an oil supply pump, a one-way valve, a stop valve and an energy accumulator.
As a preferable mode of the hydraulic control system of a relief valve according to the present utility model, wherein: the hydraulic oil pipe is connected with the oil return pipe through a three-way pipe.
As a preferable mode of the hydraulic control system of a relief valve according to the present utility model, wherein: and the oil return pipe, the oil return pump, the control valve and the oil filtering tank are connected through flanges.
As a preferable mode of the hydraulic control system of a relief valve according to the present utility model, wherein: the control valve is connected at the position close to the hydraulic oil pipe, the oil filtering tank is arranged at the position close to the hydraulic oil tank, and the oil return pump is arranged between the hydraulic oil tank and the oil filtering tank.
As a preferable mode of the hydraulic control system of a relief valve according to the present utility model, wherein: and a sealing gasket is arranged at the connection position between the safety valve and the hydraulic oil pipe.
Compared with the prior art: according to the utility model, the hydraulic oil pipe is connected between the hydraulic oil tank and the safety valve, the oil return pipe is connected between the hydraulic oil pipe and the hydraulic oil tank, the oil return pump, the control valve and the oil filter tank are arranged on the oil return pipe, the oil is supplied through the hydraulic oil pipe when the safety valve is used, the oil return pump is opened when the pipeline is maintained in the later period, the oil in the safety valve enters the oil return pipeline through the oil return pipe, the oil is filtered by the oil filter tank, the oil is recovered into the hydraulic oil tank, and the pressure relief of the safety valve is convenient to use when the safety valve is maintained in the later period.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of a connection structure according to the present utility model;
fig. 2 is a schematic diagram of the internal structure of the oil filtering tank of the present utility model.
In the figure: 100 control pipelines, 110 hydraulic oil tanks, 120 hydraulic oil pipes, 130 oil supply pumps, 140 check valves, 150 stop valves, 160 accumulators, 200 safety valves, 300 oil return pipelines, 310 oil return pipes, 320 oil return pumps, 330 control valves, 340 oil filter tanks and 350 filter screens.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a hydraulic control system of a safety valve, which is characterized in that a hydraulic oil pipe is connected between a hydraulic oil tank and the safety valve, an oil return pipe is connected between the hydraulic oil pipe and the hydraulic oil tank, an oil return pump, a control valve and an oil filtering tank are arranged on the oil return pipe, oil is supplied through the hydraulic oil pipe when the safety valve is used, the oil return pump is opened when the pipeline is maintained in the later period, oil in the safety valve enters the oil return pipeline through the oil return pipe, the oil is filtered by the oil filtering tank, the oil is recovered into the hydraulic oil tank, and the pressure of the safety valve is conveniently released for use when the safety valve is maintained in the later period, and the system comprises the following components as shown in fig. 1-2: control line 100, relief valve 200, and return line 300.
The control pipeline 100 comprises a hydraulic oil tank 110 and a hydraulic oil pipe 120, the top of the hydraulic oil tank 110 is connected with the hydraulic oil pipe 120, a safety valve 200 is connected with the hydraulic oil pipe 120, a sealing gasket is arranged at a connecting position between the safety valve 200 and the hydraulic oil pipe 120, an oil supply pump 130, a one-way valve 140, a stop valve 150 and an energy accumulator 160 are sequentially arranged on the hydraulic oil pipe 120, oil in the hydraulic oil pipe 120 is controlled through the oil supply pump 130, the one-way valve 140, the stop valve 150 and the energy accumulator 160, and control of pressure in the safety valve 200 is achieved.
The oil return pipeline 300 is connected between the hydraulic oil tank 110 and the tail end of the hydraulic oil pipe 120, the oil return pipeline 300 comprises an oil return pipe 310, an oil return pump 320, a control valve 330, an oil filter tank 340 and a filter screen 350, the oil return pipe 310 is connected between the hydraulic oil tank 110 and the tail end of the hydraulic oil pipe 120, the hydraulic oil pipe 120 is connected with the oil return pipe 310 through a three-way pipe, the oil return pipe 310 is provided with the oil return pump 320, the control valve 330 and the oil filter tank 340, the control valve 330 is connected at a position close to the hydraulic oil pipe 120, the oil filter tank 340 is arranged at a position close to the hydraulic oil tank 110, the oil return pump 320 is arranged between the hydraulic oil tank 110 and the oil filter tank 340, the filter screen 350 is arranged in the oil filter tank 340, when the pipeline is maintained in the later period, the oil return pump 320 is opened, oil in the safety valve 200 enters the oil return pipeline 300 through the oil return pipe 310, the filter screen 350 in the oil filter tank 340 is utilized to recycle the oil into the hydraulic oil tank 110, and the pressure release of the safety valve 200 during the later period of maintenance is convenient.
The oil return pipe 310, the oil return pump 320, the control valve 330 and the oil filtering tank 340 are connected through flanges, so that the sectional disassembly and maintenance are facilitated.
When the hydraulic oil pump is specifically used, the oil in the hydraulic oil pipe 120 is controlled through the oil supply pump 130, the one-way valve 140, the stop valve 150 and the accumulator 160 of the control pipeline 100, the control of the pressure in the safety valve 200 is realized, when the pipeline is maintained in the later period, the oil return pump 320 is opened, the oil in the safety valve 200 enters the oil return pipeline 300 through the oil return pipe 310, the filter screen 350 in the oil filter tank 340 is utilized to filter the oil, the oil is recovered into the hydraulic oil tank 110, and the pressure of the safety valve 200 is relieved for use in the later period of maintenance.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A relief valve hydraulic control system, comprising:
the control pipeline (100) comprises a hydraulic oil tank (110) and a hydraulic oil pipe (120), wherein the top of the hydraulic oil tank (110) is connected with the hydraulic oil pipe (120);
a relief valve (200) connected to the hydraulic oil line (120);
the oil return pipeline (300) is connected between the tail ends of the hydraulic oil tank (110) and the hydraulic oil pipe (120), the oil return pipeline (300) comprises an oil return pipe (310), an oil return pump (320), a control valve (330), an oil filter tank (340) and a filter screen (350), the oil return pipe (310) is connected between the tail ends of the hydraulic oil tank (110) and the hydraulic oil pipe (120), the oil return pipe (310) is provided with the oil return pump (320), the control valve (330) and the oil filter tank (340), and the filter screen (350) is arranged in the oil filter tank (340).
2. The hydraulic control system of the relief valve according to claim 1, wherein the hydraulic oil pipe (120) is provided with an oil feed pump (130), a check valve (140), a shut-off valve (150) and an accumulator (160) in this order.
3. The hydraulic control system of the relief valve according to claim 1, wherein said hydraulic oil line (120) is connected to said return line (310) by a tee.
4. The hydraulic control system of claim 1, wherein the connection locations of the oil return pipe (310), the oil return pump (320), the control valve (330) and the oil filter tank (340) are all connected by flanges.
5. The hydraulic control system according to claim 1, wherein the control valve (330) is connected to a position near the hydraulic oil pipe (120), the canister (340) is disposed near the hydraulic oil tank (110), and the oil return pump (320) is disposed between the hydraulic oil tank (110) and the canister (340).
6. The hydraulic control system of the safety valve according to claim 1, wherein a gasket is provided at a connection position between the safety valve (200) and the hydraulic oil pipe (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223106820.8U CN219081945U (en) | 2022-11-23 | 2022-11-23 | Safety valve hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223106820.8U CN219081945U (en) | 2022-11-23 | 2022-11-23 | Safety valve hydraulic control system |
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| Publication Number | Publication Date |
|---|---|
| CN219081945U true CN219081945U (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223106820.8U Active CN219081945U (en) | 2022-11-23 | 2022-11-23 | Safety valve hydraulic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498278A (en) * | 2023-06-27 | 2023-07-28 | 大庆信辰油田技术服务有限公司 | Carbon dioxide huff and puff injection pump sled |
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2022
- 2022-11-23 CN CN202223106820.8U patent/CN219081945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498278A (en) * | 2023-06-27 | 2023-07-28 | 大庆信辰油田技术服务有限公司 | Carbon dioxide huff and puff injection pump sled |
| CN116498278B (en) * | 2023-06-27 | 2023-09-05 | 大庆信辰油田技术服务有限公司 | Carbon dioxide huff and puff injection pump sled |
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