Valve remote control system-based ring section construction regionalization construction and function test method

Abstract

The invention provides a valve remote control system-based ring section construction regionalization construction and function test method, which comprises the following steps of: when a cabin ring section and a cargo hold ring section of a ship are constructed, performing multi-core pipe pulling and releasing work in each ring section; a hydraulic power pump set is hoisted in the cabin ring section, an electromagnetic valve box is installed in the cargo hold ring section, hydraulic pipes are laid in the cabin ring section and the cargo hold ring section, and the hydraulic power pump set and the electromagnetic valve box are connected through the hydraulic pipes; the electromagnetic valve boxes and the butterfly valves in all the ring sections are connected through multi-core pipes in the cabin ring section and the cargo hold ring section so that valve remote control systems can be formed in all the ring sections; function tests are respectively carried out on the two valve remote control systems; after the hydraulic pipes in the cabin ring section and the cargo hold ring section are laid, the hydraulic pipes in the two ring sections are connected in series in a bridging mode, and the hydraulic pipes of the two ring sections are controlled to be connected and disconnected through valves. By adopting the method, the construction efficiency of the valve remote control system can be improved.

Description

Technical Field

[0001] The invention relates to the field of regional construction and testing of a valve remote control system, and in particular to a method for regional construction and functional testing based on ring segment construction of a valve remote control system. Background Art

[0002] During the construction of LNG ships, the multi-core pipes of the ballast system need to be laid from the bow of the pipe alley to the engine room area. The pipelines need to be laid continuously without interruption to prevent the leakage of the ship's hydraulic oil. Since ships are currently built in multiple segments, there are differences in the construction and assembly order of cargo hold construction and engine room construction, making it impossible to lay multi-core pipes, which results in the inability to construct and test the valve remote control system in advance, affecting the progress of ship construction. Summary of the invention

[0003] In view of the shortcomings of the above-mentioned related technologies, the purpose of the present invention is to provide a method for regionalized construction and functional testing based on the ring segment construction of a valve remote control system, so as to improve the construction efficiency of the ship valve remote control system.

[0004] To achieve the above-mentioned purpose and other related purposes, the present invention provides a method for regional construction and functional testing of valve remote control system ring sections, the method comprising: when the construction of the engine room ring section and the cargo hold ring section of the ship is completed, a multi-core pipe pulling and releasing work is performed in each ring section; a hydraulic power pump group and an electromagnetic valve box are hoisted in the engine room ring section and the cargo hold ring section respectively, and hydraulic pipes are laid in the engine room ring section and the cargo hold ring section respectively, and the hydraulic power pump group and the electromagnetic valve box are connected through hydraulic pipes; the electromagnetic valve box and the butterfly valve in each ring section are respectively connected by the multi-core pipes in the engine room ring section and the cargo hold ring section to form a valve remote control system in each ring section; functional tests are performed on the two valve remote control systems respectively; when the hydraulic pipes in the engine room ring section and the cargo hold ring section are laid, the hydraulic pipes in the two ring sections are bridged and connected in series so that the hydraulic pipes of the two ring sections form a circulation loop, and the hydraulic pipes of the two ring sections are controlled to be on and off by valves.

[0005] Optionally, the functional test includes air tightness detection, pipeline pressure debugging and valve opening and closing detection.

[0006] Optionally, the step of air tightness detection is: nitrogen is passed into the hydraulic pipeline in each ring segment respectively, and the gas pressure is pressurized to 1.5 times the working pressure.

[0007] Optionally, the steps of debugging the pipeline pressure are: first connect the hydraulic power pump group and the solenoid valve box of each ring section to a temporary power supply, and check whether the opening and closing status of each valve is correct, then start the hydraulic power pump group, and use the regulating valve on the hydraulic power pump group to change the flow rate to adjust the pipeline pressure.

[0008] Optionally, the regulated pipeline pressure includes the pressure of the oil inlet pipeline and the pressure of the oil return pipeline.

[0009] Optionally, the steps for debugging the pipeline pressure are as follows: Before connecting the butterfly valve to the multi-core pipe, connect the butterfly valve with a hydraulic manual pump and close the butterfly valve through the hydraulic manual pump. Then connect the butterfly valve to the multi-core pipe and manually control the opening and closing of the corresponding butterfly valves through the solenoid valve box.

[0010] Optionally, after the valve remote control system construction of each ring section is completed, introduce nitrogen into the multi-core pipes in each ring section for cleaning.

[0011] Optionally, open the valve between the hydraulic pipes of two ring sections and inject oil into the hydraulic pipeline for flushing.

[0012] Optionally, before the step of injecting oil into the hydraulic pipeline for flushing, perform an airtightness test on the hydraulic pipeline.

[0013] As described above, the method for regional construction and functional testing of the ring section based on the valve remote control system of the present invention has the following beneficial effects: The present invention reshapes the layout of the valve control system and the ring section construction mode. At this time, the system layout is closer to the construction process in terms of construction, avoiding the problem of mismatch between the construction process and the system layout. By adopting a dual-region design, independent control of the engine room area and the cargo hold area is realized, so that the functional tests of the valve control systems in each region can be independently carried out, improving the construction efficiency. Description of the Drawings

[0014] Figure 1 It shows a schematic side view of the overall ship shape in an embodiment of the present invention.

[0015] Figure 2 It shows a schematic top view of the overall ship shape in an embodiment of the present invention.

[0016] Description of Component Labels

[0017] 1. Multi-core pipe; 2. Solenoid valve box; 3. Butterfly valve; 4. Hydraulic power pump group; 5. Hydraulic pipe; 6. Switch valve. Detailed Embodiment

[0018] The following uses specific specific examples to illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0019] When describing embodiments of the present invention in detail, for ease of illustration, sectional views showing the device structure may be enlarged locally out of the general scale, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0020] For convenience of description, spatial relationship terms such as "beneath", "below", "lower than", "under", "above", "on" etc. may be used herein to describe the relationship of one element or feature shown in the drawings with other elements or features. It will be understood that these spatial relationship terms are intended to encompass other directions of the device in use or operation, in addition to the directions depicted in the drawings. Further, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers, or there can be one or more intervening layers. As used herein, "between... and..." means including the endpoint values.

[0021] In the context of the present application, the structure in which the first feature is "above" the second feature described may include embodiments where the first and second features are formed in direct contact, and may also include embodiments where additional features are formed between the first and second features, such that the first and second features may not be in direct contact.

[0022] It should be noted that the illustrations provided in this embodiment only schematically illustrate the basic concept of the present invention. Therefore, only the components related to the present invention are shown in the illustrations, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0023] As Figure 1 shown, this embodiment provides a method for regional construction and functional testing based on the valve remote control system ring section. The method includes:

[0024] When the standby cabin ring section and the ship cargo hold ring section are completed, the pulling and laying work of the multi-core pipe 1 is started in each ring section.

[0025] In this embodiment, the valve remote control system includes components such as a multi-core pipe 1, a solenoid valve box 2, a butterfly valve 3, and a hydraulic power pump group 4. The multi-core pipe 1 is used to connect the solenoid valve box 2 and the butterfly valve 3. The multi-core pipe 1 can transport hydraulic oil from the solenoid valve box 2 to the butterfly valve 3. For example, in the cargo hold ring section, the multi-core pipe 1 is used to connect the solenoid valve box 2 with the butterfly valve 3 of the ballast system in the cargo hold pipe area and the butterfly valve 3 of the liquid cargo system in the cargo hold deck area. The solenoid valve box 2 distributes and transports the hydraulic oil to the corresponding butterfly valve 3 according to actual needs for controlling the opening and closing and adjustment of the butterfly valve 3.

[0026] Lift and install the hydraulic power pump unit 4 and install the solenoid valve box 2 inside the cabin ring section and the cargo hold ring section, and lay hydraulic pipes 5 inside each ring section, connecting the hydraulic power pump unit 4 and the solenoid valve box 2 through the hydraulic pipes 5.

[0027] In the traditional construction process, the hydraulic power pump unit 4 and the solenoid valve box 2 are arranged inside the cabin ring section, and there are no hydraulic power pump unit 4 and solenoid valve box 2 inside the cargo hold ring section. After the cabin ring section and the cargo hold ring section are assembled, the construction of the entire valve remote control system can be completed. At this time, the hydraulic power pump unit 4 and the solenoid valve box 2 can control the butterfly valves 3 inside the cargo hold ring section and the cabin ring section, and then subsequent functional tests can be carried out. In the actual construction process, due to the different assembly stages of the cabin ring section and the cargo hold ring section, the valve remote control system cannot be assembled and tested in a timely manner, thus affecting the shipbuilding efficiency.

[0028] In this embodiment, both the cabin ring section and the cargo hold ring section are provided with a hydraulic power pump unit 4 and a solenoid valve box 2. Among them, the hydraulic power pump unit 4 inside the cargo hold ring section is arranged inside the motor room, and solenoid valve boxes 2 are installed in both the compressor room and the safety passage area. Specifically, the number of solenoid valve boxes 2 is eight. One solenoid valve box 2 is arranged inside the compressor room of the cargo hold ring section, and the remaining seven solenoid valve boxes 2 are installed in the safety passage area. For example, the 1#, 2#, 3#, 4#, 5#, 6#, and 8# solenoid valve control boxes are distributed to the safety passage area, and the 7# solenoid valve control box is arranged inside the compressor room. The hydraulic power pump unit 4 and the eight solenoid valve boxes 2 are connected in series through the hydraulic pipes 5, and the hydraulic power pump unit 4 transports hydraulic oil to the eight solenoid valve boxes 2 respectively through the hydraulic pipes 5.

[0029] And there is one hydraulic power pump unit 4 and one solenoid valve box 2 inside the cabin ring section, and the hydraulic power pump unit 4 is connected to the solenoid valve box 2 through the hydraulic pipe 5.

[0030] Connect the butterfly valves 3 inside the cargo hold ring section to the solenoid valve box 2 through the multi-core pipe 1.

[0031] Specifically, each solenoid valve box 2 is connected with a multi-core pipe 1, and each solenoid valve box 2 can control the opening and closing and adjustment of multiple butterfly valves 3 through the multi-core pipe 1. After the multi-core pipe 1 connects the solenoid valve box 2 and the butterfly valves 3, the multi-core pipe 1, the solenoid valve box 2, the butterfly valves 3, the hydraulic power pump unit 4, and the hydraulic pipes 5 inside the cargo hold ring section form an independent valve remote control system. Similarly, connect the valves inside the cabin ring section to the solenoid valve box 2 through the multi-core pipe 1 to form an independent valve remote control system inside the cabin ring section.

[0032] By arranging a hydraulic power pump set 4 and a solenoid valve box 2 in the engine room ring section and the cargo hold ring section respectively, a valve remote control system with a dual-zone design is formed. The valve remote control systems in the engine room ring section and the cargo hold ring section can be independently controlled, so that the independent construction of the valve remote control systems in the engine room ring section and the cargo hold ring section can be realized, which is beneficial to improving the shipbuilding efficiency. At this time, a dual-zone independent control valve remote control system is formed inside the ship. Compared with the traditional single valve remote control system, when constructing the engine room ring section and the cargo hold ring section respectively, the functional tests of the valve remote control systems in their respective areas can be carried out.

[0033] The tests on the valve remote control system in this embodiment include airtightness detection, pipeline pressure debugging, and valve opening and closing detection. When detecting the airtightness of the hydraulic pipeline 5, nitrogen needs to be introduced into the pipeline, and the pressure at this time is 1.5 times the working pressure; for the multi-core pipe 1, in this embodiment, only nitrogen needs to be introduced for purging and cleaning.

[0034] When carrying out pipeline pressure debugging, first connect the hydraulic power pump set 4 and the solenoid valve box 2 to a temporary power supply to turn on the circuit, and at this time, check whether the opening and closing states of each valve are correct. After checking and confirming, start the hydraulic power pump set 4. Specifically, the hydraulic power pump set 4 includes a No. 1 pump, a No. 2 pump, and regulating valves respectively connected to the two pumps. First, start the No. 1 pump, and at this time, adjust the flow rate at the No. 1 pump through the regulating valve to debug the oil pressure of the oil inlet pipeline to reach 13.5 MP and the oil return pipeline to reach the designed pressure of 1 MP. After the No. 1 pump is adjusted, use the same steps to debug the No. 2 pump.

[0035] When detecting the opening and closing of the valve, before the butterfly valve 3 is officially connected to the multi-core pipe 1, manually connect the butterfly valve 3 with a portable hydraulic manual pump, and close the butterfly valve 3 through the hydraulic manual pump. By operating like this, it can be ensured that the butterfly valve 3 is in the closed state. Then connect the butterfly valve 3 to the multi-core pipe 1, and manually control the opening and closing of the corresponding butterfly valves 3 through the solenoid valve box 2.

[0036] After the laying construction of the hydraulic pipes 5 in the cabin ring section and the cargo hold ring section is completed, the hydraulic pipes 5 in the cargo hold ring section and the hydraulic pipes 5 in the cabin ring section are cross-connected in series, and the on-off of the hydraulic pipes 5 in the cargo hold ring section and the hydraulic pipes 5 in the cabin ring section is controlled by a switch valve 6. This valve is usually in a normally closed state. At this time, the valve remote control systems in the two regions are both independent and related. By setting like this, the hydraulic power pump set 4 in the cargo hold ring section can control the valve remote control system in the cabin ring section, and the hydraulic power pump set 4 in the cabin ring section can also control the valve remote control system in the cargo hold ring section. After the hydraulic pipes 5 in the cargo hold ring section and the hydraulic pipes 5 in the cabin ring section are cross-connected in series, a complete circulation loop can be formed, and at this time, oil is injected into the pipeline for pipeline cleaning. It should be noted that when injecting oil into the pipeline for flushing, the switch valve 6 needs to be opened, and the switch valve is closed after the flushing is completed. When performing a functional test on the valve remote control system, the switch valve 6 is in a closed state.

[0037] The above embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A method for regional construction and functional testing of valve remote control system ring segments, characterized in that: The method comprises: When the ship's engine room ring section and cargo hold ring section are completed, the multi-core tube pulling and laying work is carried out in each ring section; The hydraulic power pump group is hoisted in the engine room ring section and the cargo hold ring section respectively, and the solenoid valve box is installed. The hydraulic pipes are laid in the engine room ring section and the cargo hold ring section respectively, and the hydraulic power pump group and the solenoid valve box are connected through the hydraulic pipes; The solenoid valve boxes and butterfly valves in each ring section are connected by multi-core pipes in the engine room ring section and the cargo hold ring section to form a valve remote control system in each ring section; Carry out functional tests on two valve remote control systems respectively; After the hydraulic pipes in the engine room ring section and the cargo hold ring section are laid, the hydraulic pipes in the two ring sections are bridged and connected in series to form a circulation loop, and the hydraulic pipes in the two ring sections are controlled to be on and off by valves.

2. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 1 is characterized in that: The functional test includes air tightness detection, pipeline pressure debugging and valve opening and closing detection.

3. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 2 is characterized in that: The steps of the air tightness test are: nitrogen is passed into the hydraulic pipeline in each ring segment respectively, and the gas pressure is pressurized to 1.5 times the working pressure.

4. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 2 is characterized in that: The steps of pipeline pressure debugging are: first connect the hydraulic power pump group and solenoid valve box of each ring section to a temporary power supply, and check whether the opening and closing status of each valve is correct, then start the hydraulic power pump group, and use the regulating valve on the hydraulic power pump group to change the flow rate to adjust the pipeline pressure.

5. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 4 is characterized in that: The regulating pipeline pressure includes the pressure of the oil inlet pipeline and the pressure of the oil return pipeline.

6. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 2 is characterized in that: The steps of pipeline pressure debugging are: before the butterfly valve is connected to the multi-core pipe, a hydraulic manual pump is used to connect the butterfly valve, and the butterfly valve is closed by the hydraulic manual pump, and then the butterfly valve is connected to the multi-core pipe, and the opening and closing of the corresponding butterfly valves are manually controlled by the solenoid valve box.

7. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 1 is characterized in that: After the construction of the valve remote control system of each ring section is completed, nitrogen is introduced into the multi-core tubes in each ring section for cleaning.

8. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 2 is characterized in that: Open the valve between the two ring sections of the hydraulic pipe and inject oil into the hydraulic pipeline for flushing.

9. The method for regionalized construction and functional testing of a valve remote control system ring segment according to claim 8 is characterized in that: Before the step of injecting oil into the hydraulic pipeline for flushing, the hydraulic pipeline is firstly tested for air tightness.

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