Modularized pump skid block for penetration construction of negative pressure barrel

Abstract

The invention discloses a modular pump skid for negative pressure barrel penetration construction. The modular pump skid comprises a frame, a pipeline system and an underwater control system. The pipeline system comprises two submersible pumps fixed on a bottom plate of the frame; the underwater control system comprises a wiring module, an electronic device module, an electromagnetic valve module, a hydraulic oil module and four hydraulic oil cylinders; the wiring module is installed on the rear end face of the right portion of the frame. The electronic device module is installed on the right front end face of the frame. The solenoid valve module is installed on the left side face of the front of the frame. The hydraulic oil module is mounted on the left rear side of the bottom plate of the frame; the four hydraulic oil cylinders are installed at the four corners of the butt joint plate of the frame in a one-to-one correspondence mode. The wiring module is respectively connected with the two submersible pumps and the electronic device module through quick-plug connectors; the electronic device module is respectively connected with the electromagnetic valve module and the hydraulic oil module through quick connectors; the electromagnetic valve module is connected with the hydraulic oil module through a quick connector. According to the invention, rapid interchange between modules can be realized when the pump skid breaks down.

Description

Technical Field

[0001] This invention relates to a modular pump skid for negative pressure tank sinking construction. Background Technology

[0002] In the offshore wind power sector, with continuous technological advancements, pump skids used for negative pressure tank sinking construction have seen significant development. These pump skids typically consist of underwater and surface systems, transmitting power and signals via umbilical cables. The submersible pumps equipped in the pump skids provide sufficient negative pressure to the negative pressure tank, enabling it to sink smoothly into the seabed. Simultaneously, the pump skids are equipped with multi-parameter monitoring systems that can monitor key parameters in real time during the sinking process, such as pressure differential, the height of the tank's top surface above the seabed, and the tank's attitude, ensuring the stability and safety of the sinking process. However, pump skids are scarce in the market, and due to the extremely harsh working conditions during construction, their reliability and maintenance costs are high. Currently, pump skids both domestically and internationally are mainly in the experimental stage, with only a few companies possessing on-site construction capabilities. Furthermore, the pump skids deployed in actual engineering applications are overly complex in composition, and the lack of standardized components necessitates transporting them back to shore for repairs in case of malfunction, severely delaying the overall project schedule within the limited construction window. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of existing methods and provide a modular pump skid for negative pressure tank sinking construction. It can achieve rapid interchange between modules when the pump skid fails, thereby improving construction efficiency and economy and reducing the construction cycle of offshore construction.

[0004] The technical solution to achieve the above objectives is: a modular pump skid for negative pressure tank sinking construction, comprising a frame and a piping system and an underwater control system installed within the frame; wherein,

[0005] The frame is made of steel and is box-shaped, including four columns, a top frame and a bottom plate; a rectangular interface is opened in the middle of the bottom plate, and a mating plate is installed in the interface. A locking slot is opened at each of the four corners of the mating plate, and a claw is installed on each locking slot.

[0006] The piping system includes two submersible pumps fixed to the base plate of the frame by a support bracket;

[0007] The underwater control system includes a wiring module, an electronic component module, a solenoid valve module, a hydraulic oil module, and four hydraulic cylinders. The wiring module is installed on the right rear end face of the frame; the electronic component module is installed on the right front end face of the frame; the solenoid valve module is installed on the front left side face of the frame; the hydraulic oil module is installed on the bottom plate of the frame and located on the rear left side of the frame; the four hydraulic cylinders are installed one-to-one at the four corners of the docking plate of the frame and drive the four clamps one-to-one; the wiring module is connected to two submersible pumps and the electronic component module respectively through quick-connect connectors; the electronic component module is connected to the solenoid valve module and the hydraulic oil module respectively through quick-connect connectors; the solenoid valve module is connected to the hydraulic oil module through quick-connect connectors.

[0008] The modular pump skid for negative pressure tank sinking construction described above, wherein the top and bottom surfaces of the wiring module are each equipped with a quick-connect connector that corresponds to a pair of submersible pumps, the right side of the wiring module leads out an umbilical cable that connects to the water control system, and the left side of the wiring module is equipped with a quick-connect connector that connects to the electronic device module.

[0009] A quick-connect connector for connecting to the wiring module is installed on the right side of the electronic device module, and several quick-connect connectors for connecting to the solenoid valve module, hydraulic oil module, sensor and flow meter are installed on the left side of the electronic device module.

[0010] Two quick-connectors, each corresponding to the hydraulic oil module and the electronic device module, and an oil pipe interface are installed on one side of the solenoid valve module; two quick-connectors, each corresponding to the electronic device module and the solenoid valve module, are installed on the top of the hydraulic oil module, and two oil pipe interfaces, each corresponding to the oil pipe interface on the solenoid valve module, are opened on the top of the hydraulic oil module.

[0011] The aforementioned modular pump skid for negative pressure tank submersion construction includes a piping system comprising an inlet pipe, an outlet pipe, first to eighth hydraulic control valves, two suction pipes, a flow meter, a suction hood, two tank internal pressure sensors, and one tank external pressure sensor. The outlet of the inlet pipe is connected to the first hydraulic control valve. The other end of the first hydraulic control valve and one end of the second hydraulic control valve are connected to the inlets of two submersible pumps. The outlets of the two submersible pumps are connected one-to-one to one end of the fifth and sixth hydraulic control valves, respectively. The other ends of the fifth and sixth hydraulic control valves are connected to one end of the fourth and third hydraulic control valves, respectively. One end of the valve is connected to the fourth hydraulic control valve, and the other end of the fourth hydraulic control valve is connected to the inlet end of the outlet pipe; the other ends of the second and third hydraulic control valves are respectively connected to one end of the seventh and eighth hydraulic control valves; the upper ends of the two suction pipes are connected to the other ends of the seventh and eighth hydraulic control valves respectively, and the lower ends of the two suction pipes are respectively connected to the suction ports of the two negative pressure tanks; the flow meter is installed on the outlet pipe; the suction hood is installed on the inlet pipe; the two tank internal pressure sensors are installed on the two suction pipes respectively; the tank external pressure sensor is installed on any one of the suction pipes.

[0012] The modular pump skid of the present invention for negative pressure tank sinking construction has the following beneficial effects:

[0013] By designing the various components of the pump skid as interchangeable modules, in the event of equipment failure during offshore construction, the faulty module can be quickly retrieved to the crane vessel, and the work can continue immediately using a spare module. This rapid replacement mechanism ensures the continuity of construction. Even when spare modules are insufficient, corresponding modules can be disassembled from other pump skids on site for replacement, thus guaranteeing uninterrupted negative pressure tank sinking construction within the limited construction window. This modular design not only significantly reduces pump skid maintenance time, making the maintenance process safer, more reliable, economical, and efficient, but also greatly enhances the construction unit's competitiveness in the market. Furthermore, the modular design brings other significant advantages. First, it simplifies spare parts management, as modules with the same function can be applied to different equipment, greatly reducing the types and quantities of spare parts and lowering inventory costs. Second, the modular design makes equipment upgrades and maintenance easier and more economical, as only specific modules need to be replaced or upgraded, without replacing the entire pump skid. This flexibility is crucial for adapting to constantly changing technical standards and construction requirements. Finally, the modular design also improves the scalability of the equipment, allowing for flexible increases or decreases in the number of modules to optimize the performance and efficiency of the pump skids, depending on changes in construction needs. Attached Figure Description

[0014] Figure 1 This is a front view of the modular pump skid for negative pressure tank sinking construction according to the present invention.

[0015] Figure 2 This is a top view of the modular pump skid block for negative pressure tank sinking construction according to the present invention;

[0016] Figure 3 This is a front view of the piping system in the modular pump skid for negative pressure tank sinking construction according to the present invention.

[0017] Figure 3a This is an isometric view of the piping system in the modular pump skid used for negative pressure tank sinking construction according to the present invention.

[0018] Figure 3b This is a schematic diagram of the piping system in the modular pump skid of the present invention for negative pressure tank sinking construction.

[0019] Figure 4 This is a front view of the wiring compartment in the modular pump skid for negative pressure tank sinking construction of the present invention.

[0020] Figure 4a yes Figure 4 Top view.

[0021] Figure 5 This is a front view of the electronic compartment in the modular pump skid for negative pressure tank sinking construction of the present invention.

[0022] Figure 5a yes Figure 5 Top view.

[0023] Figure 6 This is a front view of the valve chamber in the modular pump skid used for negative pressure tank sinking construction according to the present invention.

[0024] Figure 6a yes Figure 6 Top view;

[0025] Figure 7 This is a front view of the hydraulic chamber in the modular pump skid of the present invention for negative pressure tank sinking construction.

[0026] Figure 7a yes Figure 7 Top view. Detailed Implementation

[0027] The technical solutions in the embodiments of the present invention will now be clearly and completely described in conjunction with the accompanying drawings.

[0028] Please see Figures 1 to 7a The modular pump skid of the present invention for negative pressure tank sinking construction includes a frame 1 and a pipeline system 2 and an underwater control system 3 installed in the frame 1.

[0029] The frame 1 is a steel structure in a box shape, including four columns 11, a top frame 12 fixed to the top of the four columns 11, and a base plate 13 fixed to the bottom of the four columns 11. A rectangular interface is opened in the middle of the base plate 13, and a mating plate 14 is installed in the interface. Each of the four corners of the mating plate 14 has a locking slot, and a claw 10 is installed on each locking slot. The frame 1 can protect the pipeline system 2 and the underwater control system 3, and maintain the overall stability of the pump skid under complex operating conditions.

[0030] Piping system 2 includes an inlet pipe 21, an outlet pipe 22, two submersible pumps 23, a first hydraulic control valve 241 to an eighth hydraulic control valve 248, two suction pipes 25, a flow meter 26, a suction hood 27, two internal pressure sensors 28a and one external pressure sensor 28b. The outlet end of the inlet pipe 21 is connected to the first hydraulic control valve 241. The other end of the first hydraulic control valve 241 and one end of the second hydraulic control valve 242 are connected to the inlets of the two submersible pumps 21. The outlets of the two submersible pumps 21 are connected one-to-one to one end of the fifth hydraulic control valve 245 and one end of the sixth hydraulic control valve 246. The other ends of the fifth hydraulic control valve 245 and the sixth hydraulic control valve 246 are respectively connected to one end of the fourth hydraulic control valve 244 and the third hydraulic control valve 248. One end of 44 is connected, and the other end of the fourth hydraulic valve 244 is connected to the inlet end of the outlet pipe 22; the other ends of the second hydraulic valve 242 and the third hydraulic valve 244 are respectively connected to one end of the seventh hydraulic valve 247 and one end of the eighth hydraulic valve 248; the upper ends of the two suction pipes 25 are connected one-to-one to the other ends of the seventh hydraulic valve 247 and the eighth hydraulic valve 248, and the lower ends of the two suction pipes 25 are respectively connected to the suction ports of the two negative pressure tanks; the flow meter 26 is installed on the outlet pipe 22; the suction hood 27 is installed on the inlet pipe 21; the two tank internal pressure sensors 28a are installed one-to-one on the two suction pipes 25; the tank external pressure sensor 28b is installed on any one of the suction pipes 25 (see...). Figure 3 , Figure 3a and Figure 3b When the first hydraulic control valve 241 and the third hydraulic control valve 243 are closed, and the other hydraulic control valves are open, the submersible pump 23 draws water into the two negative pressure tanks, causing them to sink. The water inside the two negative pressure tanks is then pumped out by the submersible pump 23 through the outlet pipe 22. When the second hydraulic control valve 242 and the fourth hydraulic control valve 244 are closed, and the other hydraulic control valves are open, the submersible pump 23 injects seawater into the two negative pressure tanks through the inlet pipe 21, causing them to rise. The suction hood 27 installed on the inlet pipe 21 filters out impurities from the seawater, preventing impurities from clogging the two submersible pumps 23 and obstructing the pipeline. The two submersible pumps 23 can be redundantly configured, i.e., one as the main pump and one as a backup pump, or they can operate together for greater power.

[0031] Two submersible pumps 23 are fixed to the base plate 14 of the frame 1 via support brackets 20, and can adjust the flow rate of water in the pipeline system 2; the first hydraulic control valve 241 to the eighth hydraulic control valve 248 can adjust the direction of water flow in the pipeline system 2. The first hydraulic control valve 241 to the eighth hydraulic control valve 248 in the pipeline system 2 are each installed in the pipeline via flanges 29, and can be disassembled and replaced at any time.

[0032] The underwater control system 3 includes a wiring module 31, an electronic component module 32, a solenoid valve module 33, a hydraulic oil module 34, and four hydraulic cylinders 35; among which,

[0033] Wiring module 31 includes a wiring compartment and a pump skid power supply and signal transmission element integrated within the wiring compartment;

[0034] Electronics module 32 includes an electronics compartment and electrical control elements for a pump skid integrated within the electronics compartment;

[0035] Solenoid valve module 33 includes a valve compartment and all solenoid valves integrated in a pump skid within the valve compartment;

[0036] The hydraulic oil module 34 includes a hydraulic oil tank and an upper compartment fixed to the top of the hydraulic oil tank, with an oil pump installed inside the upper compartment.

[0037] The wiring module 31 is mounted on the right rear end face of the frame 1 by stainless steel bolts; a quick-connect connector 4 is installed on the top and bottom surfaces of the wiring module 31, which is connected to a pair of submersible pumps 21 in a one-to-one manner; an umbilical cable 5 connected to the water control system is led out from the right side of the wiring module 31; and a quick-connect connector 4 connected to the electronic device module 32 is installed on the left side of the wiring module 31.

[0038] The electronic device module 32 is mounted on the right front end face of the frame 1 by stainless steel bolts; a quick connector 4 connected to the wiring module 31 is installed on the right side of the electronic device module 32, and several quick connectors 4 are installed on the left side of the electronic device module 32, which are connected to the solenoid valve module 33, the hydraulic oil module 34, the two internal pressure sensors 28a, the external pressure sensor 28b and the flow meter 26 respectively.

[0039] The solenoid valve module 33 is mounted on the front left side of the frame 1 by stainless steel bolts; two quick-connect connectors 4, which are connected one-to-one with the hydraulic oil module 34 and the electronic device module 32, and an oil pipe interface 6 are mounted on one side of the solenoid valve module 33.

[0040] The hydraulic oil module 34 is mounted on the base plate 13 of the frame 1 by stainless steel bolts and is located on the rear left side of the frame 1. The hydraulic oil module 34 is close to the solenoid valve module 33. The hydraulic oil module 34 provides hydraulic oil to four hydraulic cylinders 35. The four hydraulic cylinders 35 are installed one-to-one at the four corners of the docking plate 14 of the frame 1 and drive the four jaws 10 one-to-one. The four hydraulic cylinders 35 drive the four jaws 10 one-to-one to control the fixing and unlocking of the pump skid and the negative pressure tank. Two quick-connect connectors 4 are installed on the top of the hydraulic oil module 34 and are connected one-to-one to the electronic device module 32 and the solenoid valve module 33. Two oil pipe interfaces 6 are opened on the top of the hydraulic oil module 34 and are connected to the oil pipe interfaces 6 on the solenoid valve module 33. The hydraulic cylinders 35 are connected to the solenoid valve module 33 and the driver of the hydraulic cylinder 35 to perform the action of the hydraulic cylinder 35.

[0041] The modular pump skid of this invention, used for sinking construction of a negative pressure tank, allows for immediate recovery to the crane vessel if a pump skid malfunctions during sinking construction. Construction can then continue after replacing the malfunctioning skid with a spare module. During this process, a comprehensive inspection of each module of the faulty pump skid is required. If the malfunction is found to be caused by a specific module, it can be replaced using a spare module available on-site. For ease of assembly and disassembly, all modules are connected to the frame 1 using stainless steel bolts. Replacement requires lifting the skid out of the water, and the modules of the underwater control system 3 are connected using quick-connect couplings 4. This ensures that the assembly and disassembly process is both convenient and quick.

[0042] If a spare module is unavailable on site, the corresponding module can be salvaged from other unusable pump skids to allow for module interchangeability between pump skids. This method ensures that the negative pressure tank penetration construction can continue uninterrupted within the limited construction window, thereby improving construction efficiency and the utilization rate of the pump skids.

[0043] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A modular pump skid for negative pressure tank sinking construction, comprising a frame and a piping system and an underwater control system installed within the frame; characterized in that, The frame is made of steel and is box-shaped, including four columns, a top frame and a bottom plate; a rectangular interface is opened in the middle of the bottom plate, and a mating plate is installed in the interface. A locking slot is opened at each of the four corners of the mating plate, and a claw is installed on each locking slot. The piping system includes two submersible pumps fixed to the base plate of the frame by a support bracket; The underwater control system includes a wiring module, an electronic component module, a solenoid valve module, a hydraulic oil module, and four hydraulic cylinders. The wiring module is installed on the right rear end face of the frame; the electronic component module is installed on the right front end face of the frame; the solenoid valve module is installed on the front left side face of the frame; the hydraulic oil module is installed on the bottom plate of the frame and located on the rear left side of the frame; the four hydraulic cylinders are installed one-to-one at the four corners of the docking plate of the frame and drive the four clamps one-to-one; the wiring module is connected to two submersible pumps and the electronic component module respectively through quick-connect connectors; the electronic component module is connected to the solenoid valve module and the hydraulic oil module respectively through quick-connect connectors; the solenoid valve module is connected to the hydraulic oil module through quick-connect connectors.

2. The modular pump skid for negative pressure tank sinking construction according to claim 1, characterized in that, The top and bottom surfaces of the wiring module are each equipped with a quick-connect connector that corresponds to a pair of submersible pumps. The right side of the wiring module leads out an umbilical cable that connects to the water control system, and the left side of the wiring module is equipped with a quick-connect connector that connects to the electronic device module. A quick-connect connector for connecting to the wiring module is installed on the right side of the electronic device module, and several quick-connect connectors for connecting to the solenoid valve module, hydraulic oil module, sensor and flow meter are installed on the left side of the electronic device module. Two quick-connectors, each corresponding to the hydraulic oil module and the electronic device module, and an oil pipe interface are installed on one side of the solenoid valve module; two quick-connectors, each corresponding to the electronic device module and the solenoid valve module, are installed on the top of the hydraulic oil module, and two oil pipe interfaces, each corresponding to the oil pipe interface on the solenoid valve module, are opened on the top of the hydraulic oil module.

3. The modular pump skid for negative pressure tank sinking construction according to claim 1, characterized in that, The piping system also includes an inlet pipe, an outlet pipe, first to eighth hydraulic control valves, two suction pipes, a flow meter, a suction hood, two internal pressure sensors and one external pressure sensor. The outlet of the inlet pipe is connected to the first hydraulic control valve. The other end of the first hydraulic control valve and one end of the second hydraulic control valve are connected to the inlets of two submersible pumps. The outlets of the two submersible pumps are connected one-to-one to one end of the fifth and sixth hydraulic control valves, respectively. The other ends of the fifth and sixth hydraulic control valves are connected to one end of the fourth and third hydraulic control valves, respectively. The other end of the valve is connected to the inlet end of the outlet pipe; the other ends of the second and third hydraulic valves are respectively connected to one end of the seventh and eighth hydraulic valves; the upper ends of the two suction pipes are connected to the other ends of the seventh and eighth hydraulic valves respectively, and the lower ends of the two suction pipes are connected to the suction ports of the two negative pressure tanks respectively; the flow meter is installed on the outlet pipe; the suction hood is installed on the inlet pipe; the two tank internal pressure sensors are installed on the two suction pipes respectively; the tank external pressure sensor is installed on any one of the suction pipes.

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