Off-grid hydrogen production platform structure suitable for large-scale deep sea wind power
By adopting an integrated space truss structure and partitioned design, the difficulties in constructing and operating the deep-sea off-grid hydrogen production platform in harsh environments have been solved, achieving the rationality and safety of the platform structure and reducing construction and maintenance costs.
Patent Information
- Application Number
- CN202423147965.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing off-grid hydrogen production platforms face harsh conditions in deep-sea environments, such as heavy salt spray corrosion, poor accessibility, and lack of power grid support. These conditions make construction complex, and the platform structure is easily affected by gravity load eccentricity, leading to difficulties in later operation and maintenance.
The structure adopts an integrated space truss structure, divided into a first floor, a second floor, and a roof floor, which respectively house power distribution and public system equipment, energy storage devices, hydrogen production devices, and hydrogen processing devices. Through structural designs such as fireproof and explosion-proof walls and lightweight explosion-proof walls, the load center of gravity is lowered, improving safety and preventing the spread of fire and explosion.
Lowering the platform's center of gravity reduces the adverse effects of gravity load eccentricity on the platform structure, improves the convenience of equipment operation and maintenance, enhances the platform's structural rationality and safety, and reduces construction and operation and maintenance costs.
Smart Images
Figure CN223688899U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to off net hydrogen production platform technical field especially suitable for large -scale deep sea wind power off net hydrogen production platform structure. BACKGROUND
[0002] At present, building offshore hydrogen production platform, using offshore wind power electrolysis water hydrogen production, can realize multiple energy optimization complementary and energy interconnection high -efficient comprehensive utilization, provides strong support for exploring to solve deep sea offshore wind power consumption channel, reduces the abandoned wind.
[0003] The existing off net hydrogen production platform faces deep sea heavy salt mist corrosion, poor accessibility and no power grid support and other adverse environments and complex conditions, which is relatively complex to build, and the platform is prone to adversely affect the platform structure when the gravity load is eccentric, and the post-operation maintenance condition is relatively difficult. UTILITY MODEL CONTENTS
[0004] In order to improve the above-mentioned existing off net hydrogen production platform facing deep sea heavy salt mist corrosion, poor accessibility and no power grid support and other adverse environments and complex conditions, which is relatively complex to build, and the platform is prone to adversely affect the platform structure when the gravity load is eccentric, and the post-operation maintenance condition is relatively difficult, the utility model provides a kind of off net hydrogen production platform structure suitable for large -scale deep sea wind power.
[0005] The utility model provides a kind of off net hydrogen production platform structure suitable for large -scale deep sea wind power, the hydrogen production platform structure is integral type space truss structure, the integral type space truss structure is divided into first floor space truss structure and two layers space truss structure, and lower guide pipe support is installed in the bottom of the integral type space truss structure, form platform main body after combination, the platform main body is divided into three layers, respectively, first floor power distribution and public system equipment, energy storage device area, two layers hydrogen production device area and roof layer hydrogen gas compression device, hydrogen gas storage device, hydrogen gas filling device area.
[0006] Further, the first layer of the platform main body is provided with energy storage device, transformer device, seawater desalination device and fire-fighting equipment room, the energy storage device is symmetrically arranged on the left and right sides of the platform main body, the transformer device is symmetrically arranged on the upper and lower sides of the platform main body, and the seawater desalination device and the fire-fighting equipment room are arranged in the middle of the platform main body, a fire-fighting water pool is arranged in the fire-fighting equipment room, and the first layer of the platform main body adopts an open structure, and the transformer device adopts air cooling.
[0007] Further, the second layer of the platform main body is provided with hydrogen production device, the second layer of the platform main body divides the hydrogen production device into two hydrogen production workshops arranged symmetrically above and below, the hydrogen production workshops are separated by fireproof and explosion-proof walls, and the hydrogen production workshops form a closed space through light weight explosion venting walls.
[0008] Further, the platform body roof layer is provided with hydrogen compression devices, hydrogen storage devices and hydrogen filling devices, the platform body roof layer is provided with the hydrogen compression devices in the middle of the platform body, the hydrogen storage devices are symmetrically arranged on the upper and lower sides of the platform body, and the hydrogen filling devices are arranged at the four corners of the platform body.
[0009] Further, the first-layer space truss structure and the second-layer space truss structure are both composed of horizontal beams, vertical columns and inclined rods, the inclined rods are arranged obliquely between two adjacent horizontal beams and form a triangular structure, and the vertical columns are arranged vertically between two adjacent horizontal beams.
[0010] Further, the middle part of the first layer of the platform body is provided with an alkali tank pure water tank group.
[0011] Further, the outer wall of the first layer of the platform body is provided with a first-layer outer corridor, and the outer wall of the second layer of the platform body is provided with a second-layer outer corridor.
[0012] Further, the energy storage device is composed of eighteen energy storage units, and the power transformation device is composed of twelve dry-type transformers and twelve sets of current conversion control cabinets.
[0013] Further, the hydrogen production workshop is provided with six sets of alkaline electrolytic cells, six sets of gas-liquid processors and six sets of hydrogen purification devices from the middle to the outer side of the second layer of the platform body, the roof cover of the top of the alkaline electrolytic cell is provided with a hoisting maintenance opening and a venting cover plate, and the hoisting maintenance opening is arranged on the roof layer of the platform body and directly above the alkaline electrolytic cell.
[0014] Further, the hydrogen compression device is composed of eighteen hydrogen compressors and water chilling units, the hydrogen storage device is composed of thirty-two sets of double-layer stacked hydrogen storage bottle groups, and the hydrogen filling device is composed of four hydrogen filling units.
[0015] In summary, the utility model has at least one of the following beneficial effects:
[0016] The utility model is favorable for reducing the platform load gravity center, reducing the platform vertical irregularity, being favorable for operation and maintenance of equipment and device, reducing the adverse effect of gravity load eccentricity on the platform structure, and ensuring the structural rationality and safety of the deep sea off-grid hydrogen production platform.
[0017] The utility model can prevent fire and explosion from spreading and diffusing, and ensure the operation safety of equipment and device. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural elevation schematic view of the embodiment.
[0019] Figure 2 The first floor plan of the embodiment is provided with a schematic diagram;
[0020] Figure 3 The second floor plan of the embodiment is provided with a schematic diagram;
[0021] Figure 4 The roof floor plan of the embodiment is provided with a schematic diagram.
[0022] In the figure: 1, first floor space truss structure; 11, first floor veranda; 111, horizontal beam; 222, vertical column; 333, inclined rod; 12, power transformation device; 13, energy storage device; 14, seawater desalination device; 15, alkali tank pure water tank group; 16, fire-fighting equipment room; 2, second floor space truss structure; 21, second floor veranda; 22, hydrogen production workshop; 23, light blast wall; 24, fireproof blast wall; 31, hydrogen gas compression device; 32, hydrogen gas storage device; 33, hydrogen gas filling device; 34, hoisting and maintenance opening; 4, lower guide pipe rack; 5, platform main body. DETAILED DESCRIPTION
[0023] The following will be combined with the accompanying Figures 1-4 The utility model is further explained in detail.
[0024] Please refer to the accompanying drawings of the specification Figures 1-4 The utility model provides an embodiment: a kind of off-grid hydrogen production platform structure suitable for large-scale deep far sea wind power, and hydrogen production platform structure is integrated space truss structure, and integrated space truss structure is divided into first floor space truss structure 1 and second floor space truss structure 2, first floor space truss structure 1 and second floor space truss structure 2 are all composed of horizontal beam 111, vertical column 222 and inclined rod 333, inclined rod 333 is obliquely arranged between two adjacent horizontal beams 111 and forms triangular structure, vertical column 222 is vertically arranged between two adjacent horizontal beams 111, horizontal beam 111 adopts H-shaped steel beam with the section of H2000-00, vertical column 222 adopts steel pipe vertical column with the section diameter of 1200, inclined rod 333 adopts steel pipe inclined rod with the section diameter of 800.
[0025] And lower guide pipe rack 4 is installed at the bottom of integrated space truss structure, and platform main body 5 is formed after combination, platform main body 5 can bear different load actions of construction period and operation period, and after installation with lower guide pipe rack 4, the switching of two states can be realized immediately.
[0026] Platform main body 5 is divided into three layers as a whole, which are first floor power distribution and public system equipment, energy storage device 13 area, second floor hydrogen production device area and roof layer hydrogen gas compression device 31, hydrogen gas storage device 32 and hydrogen gas filling device 33 area.
[0027] The energy storage device 13 is symmetrically arranged on the left and right sides of the platform body 5, and the power transformation device 12 is symmetrically arranged on the upper and lower sides of the platform body 5. The energy storage device 13 is composed of eighteen sets of 1.25MW / 5MWh energy storage units, and the power transformation device 12 is composed of twelve 66kV dry transformers and twelve sets of converter control cabinets. The transformer is a dry transformer, which avoids the oil leakage accident of the oil-immersed transformer and reduces the risk of damage to the marine environment.
[0028] The seawater desalination device 14 and the fire-fighting equipment room 16 are arranged in the middle of the platform body 5, which is beneficial to the operation and maintenance of the energy storage device 13 and the power transformation device 12, and effectively reduces the adverse effects of gravity load eccentricity on the structure of the platform body 5. The middle part of the first floor of the platform body 5 is provided with the alkali tank pure water tank group 15, the seawater desalination device 14 and the fire-fighting equipment room 16. The fire-fighting equipment room 16 is provided with a 270m 3 long fire-fighting pool, and the alkali tank pure water tank group 15 is composed of six alkali tanks and pure water tanks.
[0029] The second floor of the platform body 5 divides the hydrogen production device into two hydrogen production workshops 22 arranged symmetrically on the upper and lower sides under the condition of meeting the explosion venting area of each hydrogen production workshop 22, which is beneficial to ensuring the operation safety of the hydrogen production workshop 22 and effectively improving the utilization efficiency of the second floor of the platform body 5. The hydrogen gas compression device 31 with heavy load is arranged in the middle of the platform body 5, the hydrogen gas storage device 32 is symmetrically arranged on the upper and lower sides of the platform body 5, and the hydrogen gas filling device 33 is arranged at the four corners of the platform body 5, which is beneficial to ensuring the coherence of the compression, storage and filling process of hydrogen gas and reducing the adverse effects of gravity load eccentricity on the structure of the platform body 5.
[0030] It should be noted that the hydrogen production platform arranges the power distribution and public system equipment with heavy load and the energy storage device 13 on the first floor of the platform body 5, and arranges the hydrogen gas compression device 31, the hydrogen gas storage device 32 and the hydrogen gas filling device 33 with light load on the roof of the platform body 5. The hydrogen production platform can effectively reduce the load gravity center of the platform body 5 and reduce the vertical irregularity of the platform body 5, so that the technical scheme reduces the load gravity center of the platform body 5, reduces the adverse effects of gravity load eccentricity on the structure of the platform body 5, and ensures the structural rationality and safety of the deep-sea off-grid hydrogen production platform body 5.
[0031] The first floor space of the platform body 5 adopts an open structure, and the power transformation device 12 adopts a wind cooling method, so that the dry-type transformer is more compact. Two larger hydrogen production workshops 22 are arranged on the second floor of the platform body 5. Under the condition of meeting the explosion venting requirement, more hydrogen production devices are arranged on the second floor, so as to improve the utilization efficiency of the second floor of the platform body 5. The roof layer adopts vertical stacking of the hydrogen storage device 32, so as to fully utilize the height space. At the same time, the hydrogen storage device 32 is reasonably arranged in combination with the hydrogen carrier ship entering and leaving the field and the time efficiency during charging, so as to form a dynamic balance between hydrogen production and hydrogen consumption.
[0032] It should be noted that the hydrogen production platform improves the utilization efficiency of the platform body 5, reduces the size of the platform body 5, and reduces the construction cost of the deep-sea off-grid hydrogen production platform body 5.
[0033] The power distribution and public system equipment and the energy storage device 13 are arranged on the first floor of the platform body 5. The energy storage device 13 with relatively high danger is arranged on the outermost side of the platform body 5, which is beneficial to fire fighting and rescue. At the same time, a fireproof and explosion-resistant wall 24 is arranged between different energy storage partitions, so as to prevent the spread and diffusion of fire and explosion;
[0034] The hydrogen production device with high danger is arranged on the second floor of the platform body 5. The light-weight explosion venting wall 23 and the explosion venting roof are used as the outer envelope structure. The explosion danger partition plane is divided, so as to meet the explosion venting area requirement of each partition. At the same time, the fireproof and explosion-resistant wall 24 is arranged between the two partitions, so as to meet the safe operation requirement.
[0035] The hydrogen compression device 31, the hydrogen storage device 32 and the hydrogen charging device 33 with high danger are arranged on the roof layer of the platform body 5. The roof layer adopts an open structure which is beneficial to the dispersion of hydrogen.
[0036] It should be noted that the hydrogen production platform can prevent the spread and diffusion of fire and explosion, and ensure the safe operation of the equipment and devices.
[0037] The energy storage device 13 on the first floor adopts a prefabricated cabin structure. The electrical equipment and elements are protected and sealed by the prefabricated cabin shell. The hydrogen production workshop 22 on the second floor adopts the light-weight explosion venting wall 23 and the explosion venting roof as the outer envelope structure, and forms a micro-positive pressure space as a whole, so as to achieve the purposes of preventing salt mist corrosion and preventing wet heat. The hydrogen compression device 31, the hydrogen storage device 32 and the hydrogen charging device 33 on the roof layer are provided with high-performance salt mist corrosion resistant protective shells, so as to meet the protection requirements of the marine environment.
[0038] It should be noted that two hydrogen production workshops 22 are symmetrically arranged on the second floor of the platform body 5, and the hydrogen production workshops 22 are separated by the fireproof and explosion-resistant wall 24. The hydrogen production workshop 22 forms a closed space through the light-weight explosion venting wall 23. Six sets of 3000Nm 3The alkali electrolytic cell, six sets of gas-liquid processors and six sets of hydrogen purification devices, the roof of the top of the alkali electrolytic cell is provided with a lifting maintenance opening 34 and an explosion venting cover plate, which meets the requirements of equipment lifting and maintenance and realizes the explosion venting function of the top of the hydrogen production workshop 22, and the lifting maintenance opening 34 is arranged on the roof layer of the platform main body 5 and directly above the alkali electrolytic cell.
[0039] It should be noted that the hydrogen compression device 31 is composed of eighteen sets of 2000Nm 3 / h hydrogen compressors and water chilling units, the hydrogen storage device 32 is composed of thirty-two sets of double-layer stacked 45MPa hydrogen storage bottle groups, and the hydrogen storage capacity of a single hydrogen storage bottle group is about 9m 3 The hydrogen filling device 33 is composed of four sets of 7kg / min hydrogen filling units.
[0040] It should be noted that the hydrogen production platform adopts an effective salt mist corrosion prevention scheme, improves the adaptability of the deep-sea off-grid hydrogen production platform main body 5 to the complex marine environment of the deep sea, adopts a process scheme suitable for the marine environment, reduces the transportation cost of raw materials and the operation and maintenance cost of the platform main body 5, reduces the risk of damage to the marine environment, and improves the adaptability of the deep-sea off-grid hydrogen production platform main body 5 to the harsh operation and maintenance conditions of the deep sea.
[0041] The seawater desalination device 14 is arranged on the first layer, and the desalinated seawater is used as production water and fire-fighting water, which avoids the difficulty of transporting fresh water from land at a long distance, reduces the operation and maintenance cost, and solves the problems of raw materials for electrolytic water hydrogen production and fire-fighting water;
[0042] The roof layer filling unit directly fills the produced hydrogen into the hydrogen transport ship, avoids large-scale lifting and transfer of the hydrogen storage bottle group, solves the problem of poor accessibility in the deep sea, and is conducive to improving the hydrogen production and transportation efficiency.
[0043] It should be noted that the outer wall of the first layer of the platform main body 5 is provided with a first layer outer corridor 11, and the first layer outer corridor 11 is convenient for equipment maintenance and maintenance, and the outer wall of the second layer of the platform main body 5 is provided with a second layer outer corridor 21, and the second layer outer corridor 21 is convenient for maintenance and maintenance of the hydrogen production workshop 22.
[0044] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A platform structure suitable for large-scale deep-sea wind power off-grid hydrogen production, characterized in that: The hydrogen production platform structure is a whole space truss structure, which is divided into a first layer space truss structure (1) and a second layer space truss structure (2), and a lower guide pipe frame (4) is installed at the bottom of the whole space truss structure to form a platform body (5) after combination, the platform body (5) is divided into three layers, which are respectively a first layer power distribution and public system equipment, energy storage device (13) area, a second layer hydrogen production device area and a roof layer hydrogen compression device (31), hydrogen storage device (32) and hydrogen filling device (33) area.
2. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 1, characterized in that: The first layer of the platform body (5) is provided with an energy storage device (13), a power transformation device (12), a seawater desalination device (14) and a fire-fighting equipment room (16), the energy storage device (13) is symmetrically arranged on the left and right sides of the platform body (5), the power transformation device (12) is symmetrically arranged on the upper and lower sides of the platform body (5), and the seawater desalination device (14) and the fire-fighting equipment room (16) are arranged in the middle of the platform body (5), a fire-fighting water pool is arranged in the fire-fighting equipment room (16), and the first layer space of the platform body (5) adopts an open structure, and the power transformation device (12) adopts air cooling.
3. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 1, characterized in that: The second layer of the platform body (5) is provided with a hydrogen production device, the second layer of the platform body (5) divides the hydrogen production device into two hydrogen production workshops (22) arranged symmetrically upward and downward, the hydrogen production workshops (22) are separated by a fireproof and explosion-proof wall (24), and the hydrogen production workshops (22) form a closed space through a light weight explosion venting wall (23).
4. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 1, characterized in that: The roof layer of the platform body (5) is provided with a hydrogen compression device (31), a hydrogen storage device (32) and a hydrogen filling device (33), the hydrogen compression device (31) is arranged in the middle of the platform body (5), the hydrogen storage device (32) is symmetrically arranged on the upper and lower sides of the platform body (5), and the hydrogen filling device (33) is arranged at the four corners of the platform body (5), and the hydrogen compression device (31), the hydrogen storage device (32) and the hydrogen filling device (33) are provided with a high-performance salt mist corrosion resistant protective shell.
5. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 1, characterized in that: The first layer space truss structure (1) and the second layer space truss structure (2) are both composed of horizontal beams (111), vertical columns (222) and inclined rods (333), the inclined rods (333) are arranged obliquely between two adjacent horizontal beams (111) and form a triangular structure, and the vertical columns (222) are arranged vertically between two adjacent horizontal beams (111).
6. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 1, characterized in that: The middle part of the first layer of the platform body (5) is provided with an alkali tank pure water tank group (15).
7. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 1, characterized in that: The outer wall of the first layer of the platform body (5) is provided with a first layer outer corridor (11), and the outer wall of the second layer of the platform body (5) is provided with a second layer outer corridor (21).
8. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 2, characterized in that: The energy storage device (13) is composed of eighteen energy storage units, and the power transformation device (12) is composed of twelve dry-type transformers and twelve sets of current conversion control cabinets.
9. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 3, characterized in that: The hydrogen production plant (22) is provided with six sets of alkaline electrolytic cells, six sets of gas-liquid processors and six sets of hydrogen purification devices from the middle of the second floor of the platform body (5) to the outer side. The roof of the top of the alkaline electrolytic cell is provided with a lifting maintenance opening (34) and a venting cover plate. The lifting maintenance opening (34) is provided on the roof layer of the platform body (5) and directly above the alkaline electrolytic cell.
10. The off-grid hydrogen production platform structure suitable for large-scale deep offshore wind power generation according to claim 4, characterized in that: The hydrogen compression device (31) is composed of eighteen sets of hydrogen compressors and water chilling units. The hydrogen storage device (32) is composed of thirty-two sets of double-layer stacked hydrogen storage bottle groups. The hydrogen filling device (33) is composed of four sets of hydrogen filling units.