A multi-standard and multi-functional conversion and expansion system for underwater hydraulic and pharmaceutical systems

By designing a multi-standard and multi-functional conversion extension system, the problem of complex connection of underwater hydraulic and chemical systems is solved, unified management and convenient connection of the system are achieved, and pressure verification and flushing requirements are met.

CN116202031BActive Publication Date: 2025-09-12OFFSHORE OIL ENG CO LTD
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Patent Information

Application Number
CN202211585311.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-09
Publication Date
2025-09-12
Estimated Expiration
2042-12-09

AI Technical Summary

Technical Problem

Underwater hydraulic and chemical systems have problems such as mixed standards, diverse sizes, and different functions, which leads to complex connections and the inability to uniformly manage the pressure testing and flushing processes of the hydraulic and chemical systems.

Method used

A multi-standard and multi-functional conversion expansion system for underwater hydraulic and pharmaceutical systems was designed, including a fixed frame, pipelines, an intelligent monitoring system, multiple input converters, and isolation control valves. The intelligent monitoring system enables remote control of each control valve and real-time feedback from pressure sensors, supporting unified management of multiple standard interfaces.

Benefits of technology

It enables convenient connection and expansion of underwater hydraulic and chemical systems during testing and flushing, reduces the complexity of connection conversion under different circuits and testing requirements, and meets pressure verification and flushing requirements.

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Abstract

The present invention discloses a multi-standard and multi-functional conversion and expansion system for underwater hydraulic and pharmaceutical systems, comprising a fixed frame, pipelines and an intelligent monitoring system, wherein the fixed frame is provided with a plurality of converters connected to the pipelines, enabling access to a plurality of standard connectors, and effectively solving the conversion connection of multi-standard and multi-form connecting pipe fittings faced by underwater hydraulic and pharmaceutical systems during testing and flushing, making complex connections and expansions convenient, and effectively reducing connection conversions under different circuits and testing requirements, so that the system can meet pressure verification and flushing requirements with a one-time connection.
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Description

Technical Field

[0001] The present invention relates to an underwater hydraulic conversion system for marine engineering, and in particular to a multi-standard and multi-functional conversion and expansion system for an underwater hydraulic and pharmaceutical system. Background Art

[0002] Subsea hydraulic and chemical systems are crucial for enabling the opening and closing of underwater production systems, ensuring flow assurance, and ensuring safe production. To ensure reliable production and safety, high standards must be met for water-based hydraulic systems and chemical agents. For example, these systems must undergo pressure verification and cleanliness testing to ensure that fine-grained impurity levels meet international standards, thereby enhancing the operational safety level of user equipment.

[0003] Underwater hydraulic and chemical connection systems have mixed standards, diverse sizes, and different functions. In order to achieve pressure testing and flushing of hydraulic and chemical systems, complex and diverse conversion interface components are usually required, which makes unified management impossible. Summary of the Invention

[0004] The technical problem to be solved by the present invention is how to provide a multi-standard and multi-functional conversion and expansion system for underwater hydraulic and pharmaceutical systems, which can provide multi-standard interfaces and realize unified management.

[0005] To solve the above technical problems, the present invention provides a multi-standard and multi-functional conversion expansion system for underwater hydraulic and pharmaceutical systems, which is completed by the following steps: a fixed frame, pipelines, and an intelligent monitoring system; a first input panel and a second input panel are respectively provided on the left and right sides of the fixed frame; a plurality of first input converters and a plurality of second input converters are respectively installed on the first input panel and the second input panel; the first input converters and the second input converters are respectively connected to the pipelines;

[0006] An input interface and an oil return interface are provided on the rear side of the fixed frame, and the input interface and the oil return interface are connected through the pipeline provided in the fixed frame;

[0007] A first isolation control valve is provided on the pipeline between the connection between the first input converter and the pipeline and the input interface; a second isolation control valve is provided on the pipeline between the connection between the first input converter and the pipeline and the connection between the second input converter and the pipeline; pressure sensors are provided on both sides of the second isolation control valve on the pipeline; a third isolation control valve is provided between the connection between the second input converter and the pipeline and the return oil interface; a branch is provided between the third isolation control valve and the connection between the second input converter and the pipeline, the branch being connected to the intelligent monitoring system, and a sampling control valve is provided on the branch;

[0008] The intelligent monitoring system can control the on / off of the sampling control valve, the first isolation control valve, the second isolation control valve and the third isolation control valve, and the pressure sensor can feed back the pressure of the pipeline to the intelligent monitoring system.

[0009] Furthermore, it also includes an exhaust pressure relief valve, which is arranged on another branch of the pipeline leading outward.

[0010] Furthermore, two second isolation control valves are provided.

[0011] Furthermore, it also includes a remote control center, which can control each control valve through the intelligent monitoring system.

[0012] Furthermore, there are three first input converters and three second input converters respectively.

[0013] The technical effect of the present invention is that the present invention can effectively solve the conversion connection of multi-standard and multi-form connecting pipes faced by underwater hydraulic and chemical systems during testing and flushing, making complex connections and expansions convenient, and can effectively reduce connection conversions under different circuits and testing requirements, so that the system can meet pressure verification and flushing requirements with a one-time connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of a multi-standard and multi-functional conversion expansion system for underwater hydraulic and pharmaceutical systems provided by an embodiment of the present invention.

[0015] Among them, 1-fixed frame; 2-pipeline; 3-intelligent monitoring system; 4-first input panel; 5-first input converter; 6-second input panel; 7-second input converter; 8-input interface; 9-return oil interface; 10-pressure sensor; 11-first isolation control valve; 12-second isolation control valve; 13-third isolation control valve; 14-sampling control valve; 15-exhaust pressure relief valve. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0017] The embodiment of the present invention provides a multi-standard and multi-functional conversion expansion system for underwater hydraulic and pharmaceutical systems, Figure 1 As shown, it includes a fixed frame 1, pipelines 2 and an intelligent monitoring system 3.

[0018] A first input panel 4 and a second input panel 6 are respectively provided on the left and right sides of the fixed frame 1. Three first input converters 5 and three second input converters 7 are respectively installed on the first input panel 4 and the second input panel 6. In some other embodiments, the number of converters can be increased or decreased according to actual working conditions.

[0019] The first input converter 5 and the second converter can be connected to a variety of standard interfaces, such as NPT / JIC / C&T / BSP / DC (double compression) interfaces.

[0020] The first input converter 5 and the second input converter 7 are respectively communicated with the pipeline 2 .

[0021] An input port 8 and an oil return port 9 are provided on the rear side of the fixed frame 1. The input port 8 and the oil return port 9 are connected via a pipe 2 provided in the fixed frame 1.

[0022] A first isolation control valve 11 is provided on the pipeline 2 between the connection between the first input converter 5 and the pipeline 2 and the input interface 8, a second isolation control valve 12 is provided on the pipeline 2 between the connection between the first input converter 5 and the pipeline 2 and the connection between the second input converter 7 and the pipeline 2, two second isolation control valves 12 are provided, and pressure sensors 10 are respectively provided on the outside of the two second isolation control valves 12 on the pipeline 2, a third isolation control valve 13 is provided between the connection between the second input converter 7 and the pipeline 2 and the return oil interface 9, a branch is provided between the third isolation control valve 13 and the connection between the second input converter 7 and the pipeline 2, the branch is connected to the intelligent monitoring system 3, and a sampling control valve 14 is provided on the branch;

[0023] The intelligent monitoring system 3 can control the on / off of the sampling control valve 14 , the exhaust pressure relief valve 15 , the first isolation control valve 11 , the second isolation control valve 12 and the third isolation control valve 13 , and the pressure sensor 10 can feed back the pressure of the pipeline 2 to the intelligent monitoring system 3 .

[0024] The present invention further comprises an exhaust pressure relief valve 15 , which is arranged on another branch of the pipeline 2 leading outward.

[0025] The present invention also includes a remote control center, which can remotely control each control valve through the intelligent monitoring system 3.

[0026] Opening the first isolation control valve 11 and the second isolation control valve 12 and closing the third isolation control valve can make the system work in the pressure verification mode. Corresponding to the pressure verification mode, the system is monitored by the pressure sensor 10. When the system pressure reaches the specified pressure, the first isolation control valve 11 is closed by the intelligent monitoring system, and the historical curve is recorded in real time to evaluate the system performance.

[0027] Opening all isolation control valves can make the system work in flushing mode. In flushing mode, opening the sampling control valve 14 can complete the online sampling test. The pressure sensor 10 is responsible for pressure collection in pressure verification and flushing modes respectively.

[0028] The exhaust pressure relief valve 15 can be opened by the intelligent monitoring system 3 after the system reaches a certain pressure, thereby realizing safety monitoring of the system.

[0029] The present invention is suitable for the conversion of hydraulic and pharmaceutical standard connection series, and is particularly suitable for pressure testing and flushing of underwater hydraulic and pharmaceutical systems. It has the advantages of multiple standards, multiple interfaces, remote monitoring, safety, reliability and easy mobility.

[0030] The above embodiments are merely preferred embodiments for the purpose of fully illustrating the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of protection of the present invention. The scope of protection of the present invention shall be subject to the claims.

Claims

1. A multi-standard and multi-functional conversion and expansion system for underwater hydraulic and pharmaceutical systems, characterized by: It includes a fixed frame, pipelines and an intelligent monitoring system. The fixed frame is provided with a first input panel and a second input panel on the left and right sides respectively. The first input panel and the second input panel are respectively installed with a plurality of first input converters and a plurality of second input converters. The first input converters and the second input converters are respectively connected to the pipelines. An input interface and an oil return interface are provided on the rear side of the fixed frame, and the input interface and the oil return interface are connected through the pipeline provided in the fixed frame; A first isolation control valve is provided on the pipeline between the connection between the first input converter and the pipeline and the input interface; a second isolation control valve is provided on the pipeline between the connection between the first input converter and the pipeline and the connection between the second input converter and the pipeline; pressure sensors are provided on both sides of the second isolation control valve on the pipeline; a third isolation control valve is provided between the connection between the second input converter and the pipeline and the return oil interface; a branch is provided between the third isolation control valve and the connection between the second input converter and the pipeline, the branch being connected to the intelligent monitoring system, and a sampling control valve is provided on the branch; The intelligent monitoring system can control the on / off of the sampling control valve, the first isolation control valve, the second isolation control valve and the third isolation control valve, and the pressure sensor can feed back the pressure of the pipeline to the intelligent monitoring system.

2. The underwater hydraulic and pharmaceutical system multi-standard and multi-functional conversion and expansion system according to claim 1 is characterized by: It also includes an exhaust pressure relief valve, which is arranged on another branch of the pipeline leading outward.

3. The underwater hydraulic and pharmaceutical system multi-standard and multi-functional conversion and expansion system according to claim 1 is characterized by: Two second isolation control valves are provided.

4. The underwater hydraulic and pharmaceutical system multi-standard and multi-functional conversion and expansion system according to claim 1 is characterized by: It also includes a remote control center, which can control each control valve through the intelligent monitoring system.

5. The underwater hydraulic and pharmaceutical system multi-standard and multi-functional conversion and expansion system according to claim 1 is characterized by: There are three first input converters and three second input converters, respectively.

Citation Information

Patent Citations

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