Intelligent explosion suppression device for offshore drilling platform

Abstract

The utility model relates to the technical field of explosion suppression of offshore drilling platforms, in particular to an intelligent explosion suppression device for an offshore drilling platform, which comprises an explosion suppressor, a protective shell is mounted on a support steel frame, the explosion suppressor is arranged in the protective shell, and the support steel frame and the protective shell are connected together through fixing bolts. The fixing bolt piece comprises an elastic piece and a bolt piece, the elastic piece is located between the contact faces of the supporting steel frame and the protective shell, and the bolt piece sequentially penetrates through the supporting steel frame, the elastic piece and the protective shell to be fixedly connected. The explosion suppressor comprises an explosion suppression tank and a small-opening pipeline, and the small-opening pipeline is located on a nozzle of the explosion suppression tank. The protective shell comprises a fixed shell and an opening, the opening is formed in one end of the fixed shell, the small-opening pipeline penetrates through the opening, an outlet size adjusting device is arranged at the opening and comprises guide baffles, the guide baffles are rotationally arranged at the opening, and the guide baffles are symmetrically arranged above and below the opening respectively. The marine explosion suppression device solves the technical problem of explosion suppression in the marine environment.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion suppression for offshore drilling platforms, and more specifically, to an intelligent explosion suppression device for offshore drilling platforms. Background Art

[0002] An explosion suppression device (also known as an explosion suppressor) is a device used to control and reduce explosion shock waves and deflagration pressures. It can automatically detect the occurrence of an explosion and extinguish the flame or suppress deflagration through physical and chemical actions, thereby suppressing the development of an explosion. It is usually used in explosive gas or dust environments to reduce the harm of explosions to equipment and personnel. The main purpose of explosion suppression on offshore drilling platforms is to ensure that when an explosion occurs on the drilling platform, the harm of the explosion to the platform and personnel can be minimized.

[0003] Existing explosion suppression devices are generally used in onshore factory buildings or small spaces in residential houses, where the external environment is relatively stable and will not affect their normal operation; while explosion suppression devices on offshore drilling platforms are greatly affected by the unstable external environment due to the harsh marine environment with frequent sea winds and waves, so it is difficult to directly use onshore explosion suppression devices.

[0004] Therefore, there is a need for an explosion suppression device that can operate normally under the influence of sea winds and waves and can maintain a long service life under the erosion of sea water and sea winds. Summary of the Utility Model

[0005] The purpose of this application is to provide an intelligent explosion suppression device for offshore drilling platforms, which solves the technical problem of explosion suppression in the marine environment.

[0006] To solve the above technical problems, the solution adopted in this application is as follows:

[0007] An intelligent explosion suppression device for an offshore drilling platform is arranged on a support steel frame and includes an explosion suppressor. A protective housing is installed on the support steel frame, and the explosion suppressor is arranged inside the protective housing. The support steel frame and the protective housing are connected together through fixed bolt members.

[0008] Preferably, the fixed bolt members include elastic members and bolt members. The elastic members are located between the contact surfaces of the support steel frame and the protective housing, and the bolt members pass through the support steel frame, the elastic members, and the protective housing in sequence for fixed connection.

[0009] Preferably, the explosion suppressor includes an explosion suppression tank and a small-mouth pipeline, and the small-mouth pipeline is located at the nozzle of the explosion suppression tank.

[0010] Preferably, the protective housing includes a fixed housing and an opening. One end of the fixed housing is provided with an opening through which the small-mouth pipe passes. An outlet size adjusting device is provided at the opening. The outlet size adjusting device includes a guiding baffle which is rotatably arranged at the opening, and guiding baffles are symmetrically arranged above and below the opening respectively.

[0011] Preferably, the guiding baffle is connected to the driving end of the driving structure. Driven by the driving structure, the guiding baffle rotates along the rotational connection at the opening, and the driving structure is arranged on the protective housing.

[0012] Preferably, the fixing bolt member further includes a sheet metal part which is welded to the fixed housing.

[0013] Preferably, the sheet metal part is a strip-shaped plate surface structure. The strip-shaped plate surface of the sheet metal part corresponds to the length direction of the steel pipe of the support steel frame. Threaded holes are penetrated through the corresponding positions on the strip-shaped plate surface of the sheet metal part and the steel pipe, and bolts are penetrated through the threaded holes.

[0014] Preferably, a spring is sleeved on one end of the bolt passing through the steel pipe. Two ends of the spring are respectively abutted against the bolt head at one end of the bolt and the steel pipe. A nut is threadedly sleeved on one end of the bolt passing through the sheet metal part, and the nut is abutted against the strip-shaped plate surface of the sheet metal part.

[0015] Preferably, a net plate is arranged at the outlet of the small-mouth pipe. The net plate blocks the outlet of the small-mouth pipe, and a plurality of through holes are arranged on the net plate.

[0016] Preferably, a plurality of explosion suppressors are arranged in the fixed housing, and the explosion suppressors are arranged in a row along the left-right direction of the opening.

[0017] Preferably, side baffles are arranged at both end parts of the guiding baffle along the left-right direction of the opening. The side baffles on the guiding baffles symmetrically arranged above and below the opening are arranged in an interleaved manner.

[0018] Preferably, a flow guiding plate is correspondingly arranged on each guiding baffle, and the flow guiding plate is located between two symmetrically arranged guiding baffles.

[0019] Preferably, the plate surface of the flow guiding plate is parallel to the plate surface of the guiding baffle. The left and right ends of the flow guiding plate are fixedly connected to the corresponding guiding baffle and are spaced apart by a certain distance.

[0020] Preferably, when two symmetrically arranged guiding baffles are parallel to each other through the driving structure, the plate surfaces of the two flow guiding plates corresponding to the guiding baffle are abutted, and at this time, the explosion suppressant in the explosion suppressor passes through the spacing space between the flow guiding plate and the guiding baffle.

[0021] Preferably, when two symmetrically arranged guiding baffles form an angle with each other through a driving structure, an angle is also formed between the plate surfaces of the two flow guiding plates corresponding to the guiding baffles. The ends of the two plate surfaces of the flow guiding plates that are close to each other do not touch, forming a through-opening. At this time, the explosion suppressant in the explosion suppressor passes through the spacing space between the flow guiding plate and the guiding baffle, and also passes through the through-opening between the plate surfaces of the two flow guiding plates.

[0022] Preferably, the driving structure includes a cylinder and a connecting seat. The push rod of the cylinder is rotatably connected to the connecting seat. The connecting seat is fixed on the guiding baffle. The cylinder block of the cylinder is rotatably connected to another connecting seat, and this connecting seat is fixed outside the opening.

[0023] Preferably, a wind speed measuring component is fixedly installed on the fixed outer shell. The wind speed measuring component includes a wind speed sensor and a detection terminal.

[0024] Preferably, the wind speed sensor is electrically connected to the detection terminal. The detection terminal is electrically connected to the cylinder. The detection terminal is signal-connected to the computer terminal.

[0025] Preferably, a rubber pad is attached to the surfaces of the structural members of the protective outer shell, the outlet size adjustment structure, and the driving structure located in the external environment.

[0026] The technical solution of the present application has at least the following advantages and beneficial effects:

[0027] In the present utility model, by adding an elastic member between the support steel frame and the protective outer shell, an elastic buffer exists at their connection, avoiding vibration conduction to the connection between the two when the support steel frame vibrates due to sea breeze or waves, causing the device to become loose.

[0028] In the present utility model, by providing an outlet size adjustment structure with an adjustable spraying range at the nozzle of the explosion suppressor and connecting it to the wind speed measuring component, when it is detected that the external wind speed is too high, the spraying range of the explosion suppressant will be adjusted and reduced, so as to increase the spraying flow rate of the explosion suppressant, avoiding being blown away and disordered by the sea breeze and unable to cover the explosion suppressant to the accurate position. Description of the Drawings

[0029] Figure 1 It is a schematic structural diagram of the present utility model.

[0030] Figure 2 It is a schematic cross-sectional structural diagram of the fixing bolt member in the present utility model.

[0031] Figure 3 It is a schematic cross-sectional structural diagram of the outlet size adjustment structure in the present utility model.

[0032] Figure 4 It is a schematic front view structural diagram of the present utility model.

[0033] Figure 5 This is a schematic structural diagram of another angle of the present utility model.

[0034] Figure 6 This is a schematic cross-sectional structural diagram of the fixed housing in the present utility model.

[0035] In the figure: 1 - support steel frame, 2 - fixing bolt member, 21 - sheet metal part, 22 - elastic gasket, 23 - bolt, 24 - spring, 25 - nut, 3 - protective housing, 31 - fixed housing, 32 - opening, 4 - explosion suppression device, 41 - explosion suppression tank, 42 - small-mouth pipe, 43 - mesh plate, 5 - outlet size adjustment structure, 51 - guiding baffle, 52 - side baffle, 53 - flow guiding plate, 6 - driving structure, 61 - cylinder, 62 - connecting seat, 7 - wind speed measurement component. Specific embodiments

[0036] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0037] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. If terms such as "center", "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of this application is usually placed. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to this application. It also should be noted that unless otherwise clearly specified and limited, if terms such as "set", "installed", "connected" are understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0038] Embodiment

[0039] Please refer to Figures 1-6, the present utility model provides an intelligent explosion suppression device for an offshore drilling platform, including a fixing bolt member 2, a protective housing 3, an explosion suppressor 4, an outlet size adjustment structure 5, and a driving structure 6.

[0040] This intelligent explosion suppression device is arranged on each support steel frame 1 of the offshore drilling platform, which not only does not occupy the platform space of the offshore drilling platform, but also is convenient to be arranged at various height positions of the offshore drilling platform, improving the explosion suppression range.

[0041] Furthermore, a protective housing 3 is installed on the support steel frame 1, and an explosion suppressor 4 is arranged inside the protective housing 3. The support steel frame 1 and the protective housing 3 are connected together through the fixing bolt member 2.

[0042] Because the offshore drilling platform is always located at sea and is frequently impacted by sea waves and sea winds, the hollow and tall support steel frame 1 will vibrate due to the impact. This vibration will be conducted to all parts of the support steel frame 1, resulting in friction and separation between its connecting parts. Over time, the connecting parts will be separated or damaged.

[0043] Preferably, the fixing bolt member 2 includes an elastic member and a bolt member. The elastic member can undergo elastic deformation. The elastic member is located between the contact surfaces of the support steel frame 1 and the protective housing 3, providing elastic buffering between the two. The bolt member passes through the support steel frame 1, the elastic member, and the protective housing 3 in sequence to fix the three together. Through the elastic member therein, when the support steel frame 1 vibrates, the vibration conducted to the connection between the support steel frame 1 and the protective housing 3, resulting in the loosening of the bolt member due to vibration, is reduced.

[0044] Preferably, the elastic member is provided as an elastic gasket 22 composed of a sponge or rubber structure.

[0045] Furthermore, the explosion suppressor 4 includes a controller, a flame sensor, and an explosion suppression tank 41.

[0046] In the prior art, an explosion suppressant is installed in the explosion suppressor 4, and the explosion suppressant can be released by the internal pressure of the explosion suppressor 4. When an explosion occurs, the flame sensor detects the flame, and the controller in the explosion suppressor 4 receives the input signal from the flame sensor. After processing, a control signal is output to the explosion suppression tank 41. The explosion suppression tank 41 then acts quickly to spray the explosion suppressant to extinguish the fire, thereby suppressing the development of combustion and explosion in the initial stage of a fire or explosion and preventing the explosion from further expanding.

[0047] In this embodiment, the explosion suppressor 4 further includes a small-mouth pipe 42 and a mesh plate 43.

[0048] A small-mouth pipe 42 is provided at the nozzle of the explosion suppression tank 41 to reduce the nozzle diameter when the explosion suppressant is ejected, so that the explosion suppressant is concentrated and ejected. Under the same ejection air pressure, the flow velocity and unit flow rate of the explosion suppressant ejected in a smaller volume space are correspondingly increased. By increasing the flow velocity of the explosion suppressant when it is ejected, the influence of the external sea breeze during explosion suppression is reduced, so that the explosion suppressant is not easily dispersed or deflected.

[0049] A mesh plate 43 is also provided at the outlet of the small-mouth pipe 42. The mesh plate 43 covers and blocks the outlet of the small-mouth pipe 42. A number of through holes are provided on the mesh plate 43. When the explosion suppressant is ejected, it will hit the mesh plate 43 and be ejected to the outside through a number of holes thereon. The ejected explosion suppressant is dispersed through a number of holes to prevent it from gathering in a group when it is ejected, resulting in uneven explosion suppression.

[0050] It should be noted that when the high-speed ejected explosion suppressant is ejected, it will lose a part of its kinetic energy when blocked by the mesh plate 43 and its flow velocity will decrease (still higher than the normal ejection flow velocity of the explosion suppressant). However, due to the limitation of the nozzle diameter of the small-mouth pipe 42 in this embodiment, the spraying range of the explosion suppressant is smaller than normal, so that the content of the explosion suppressant within the range is more and it is not easily blown away by the wind. Therefore, the mesh plate 43 has little influence on the anti-wind effect of the explosion suppressant.

[0051] Furthermore, the protective housing 3 includes a fixed housing 31 and an opening 32.

[0052] The explosion suppressor 4 is fixedly installed inside the fixed housing 31. An opening 32 is provided at one end of the fixed housing 31. There is a channel communicating with the inside of the fixed housing 31 at the opening 32. The upper and lower surfaces of the channel are in contact with the outer wall of the small-mouth pipe 42. The small-mouth pipe 42 passes through the channel at the opening 32, and its outlet is located inside the channel.

[0053] Among them, a plurality of explosion suppressors 4 are provided inside the fixed housing 31. The explosion suppressors 4 are arranged along the left-right direction of the opening 32 to increase the explosion suppressant capacity of the entire explosion suppression device, and it is more suitable for explosion suppression treatment of various large equipment on offshore drilling platforms.

[0054] By providing a channel with a diameter equivalent to that of the small-mouth pipe 42, the spraying range of the explosion suppressant ejected from the small-mouth pipe 42 is limited within the size range of the channel, which is convenient for the subsequent outlet size adjustment device to adjust the spraying direction of the explosion suppressant.

[0055] An outlet size adjustment device is also provided at the opening 32. The outlet size adjustment device includes a guiding baffle 51 and a side baffle 52. One end of the guiding baffle 51 is rotatably provided at the opening 32. The guiding baffle 51 is symmetrically provided at the upper and lower ends of the opening 32 respectively. The side baffles 52 are provided at both ends of the guiding baffle 51 along the left-right direction of the opening 32. The side baffles 52 on the guiding baffles 51 symmetrically provided at the upper and lower parts of the opening 32 are arranged in an interlaced manner.

[0056] By providing two symmetrically arranged guiding baffles 51 above and below at the opening 32, the explosion suppressant ejected from the channel at the opening 32 is blocked by the guiding baffles 51 and guided, restricting the explosion suppressant between the two guiding baffles 51, while the side baffles 52 prevent the explosion suppressant from spraying to the left and right sides of the opening 32.

[0057] A driving structure 6 is also provided on the opening 32. The driving structure 6 includes a cylinder 61 and a connecting seat 62. The push rod of the cylinder 61 is rotatably connected to one of the connecting seats 62, and this connecting seat 62 is fixed on the guiding baffle 51. The cylinder block of the cylinder 61 is rotatably connected to the other connecting seat 62, and this connecting seat 62 is fixed outside the opening 32. When the cylinder 61 operates, its push rod will pull the guiding baffle 51 to rotate along its rotational connection with the opening 32, changing the included angle between the guiding baffle 51 and the channel inside the opening 32.

[0058] Preferably, the cylinder 61 drives the guiding baffle 51 to rotate, changing the included angle between the two guiding baffles 51, so that the explosion suppressant ejected onto the guiding baffle 51 is restricted between the included angles of the two guiding baffles 51, limiting its spraying range.

[0059] It should be noted that when the guiding baffle 51 rotates, the connected side baffle 52 also rotates. During the rotation process, the two side baffles 52 arranged in a vertically staggered manner always completely block the side of the guiding baffle 51, preventing the explosion suppressant from leaking out.

[0060] When the external sea breeze is small and no longer affects the spraying of the explosion suppressant, the included angle between the two guiding baffles 51 can be increased, increasing the spraying range of the explosion suppressant for large-area coverage explosion suppression.

[0061] When the external sea breeze is large and easily affects the spraying of the explosion suppressant, the included angle between the two guiding baffles 51 will gradually decrease (including the disappearance of the included angle and the parallelism of the plate surfaces of the two guiding baffles 51), reducing the spraying range of the explosion suppressant for small-area precise explosion suppression.

[0062] In some feasible embodiments, the fixing bolt member 2 further includes a sheet metal part 21, a bolt 23, a spring 24, and a nut 25.

[0063] Among them, the bolt 23 and the nut 25 form the bolt member.

[0064] Specifically, the sheet metal part 21 is welded to the fixing outer shell 31. The welded sheet metal part 21 facilitates the installation of the fixing outer shell 31.

[0065] The sheet metal part 21 has a long strip plate surface structure. The long strip plate surface of the sheet metal part 21 corresponds to the length direction of the steel pipe of the support steel frame 1. Threaded holes are penetrated through the corresponding positions on the long strip plate surface of the sheet metal part 21 and on the steel pipe, and bolts 23 are inserted into the threaded holes.

[0066] A spring 24 is sleeved on one end of the bolt 23 passing through the steel pipe. The two ends of the spring 24 are respectively abutted against the bolt head of one end of the bolt 23 and the steel pipe. A nut 25 is threadedly sleeved on one end of the bolt 23 passing through the sheet metal part 21, and the nut 25 is abutted against the long strip plate surface of the sheet metal part 21.

[0067] When the nut 25 is tightened, the sheet metal part 21 and the support steel frame 1 will gradually fit together (the elastic part in the above is located between the sheet metal part 21 and the support steel frame 1). The spring 24 at one end of the bolt 23 will also be elastically compressed due to the movement of the bolt 23, providing elastic force between the bolt 23 and the support steel frame 1. At this time, when the support steel frame 1 vibrates due to sea breeze or waves, the sheet metal part 21 and the support steel frame 1 perform elastic buffering through the elastic part, and the bolt 23 and the support steel frame 1 perform elastic buffering through the spring 24, so as to avoid the conduction of vibration.

[0068] In some feasible embodiments, a flow deflector 53 is correspondingly arranged on each guiding baffle 51, and the flow deflector 53 is located between two symmetrically arranged guiding baffles 51.

[0069] Among them, the plate surface of the flow deflector 53 is parallel to the plate surface of the guiding baffle 51 and is separated by a certain distance. The left and right ends of the flow deflector 53 are fixedly connected to the corresponding guiding baffle 51.

[0070] When the explosion suppressant is sprayed into the guiding baffle 51, it will be diverted by the flow deflector 53. As the included angle between the two guiding baffles 51 changes, the included angle of the plate surfaces of the two corresponding flow deflectors 53 will also change, so as to divert the explosion suppressant to different positions.

[0071] Preferably, when the two symmetrically arranged guiding baffles 51 are rotated to be parallel to each other through the driving structure 6, no included angle is formed between the guiding baffles 51, and the spraying range for the explosion suppressant is the smallest. The plate surfaces of the two flow deflectors 53 corresponding to the guiding baffles 51 are abutted, and the two flow deflectors 53 are combined into one flow deflector 53 and are located at the middle height of the opening 32 and are parallel to the upper and lower surfaces of the inner channel of the opening 32. At this time, the blocking area of the explosion suppressant in the explosion suppressor 4 by the flow deflector 53 is the smallest, and the spraying of the explosion suppressant is not affected.

[0072] When two symmetrically arranged guiding baffles 51 form an angle with each other by rotating through the driving structure 6, an angle is also formed between the plate surfaces of the two flow guiding plates 53 corresponding to the guiding baffles 51. At this time, the ends of the two flow guiding plates 53 where the plate surfaces are close to each other will not come into contact, and a passing opening will be formed therebetween for the explosion suppressant to pass through. The passing opening is located at the middle height of the opening 32. At this time, the explosion suppressant in the explosion suppressor 4 will be blocked by the plate surfaces of the flow guiding plates 53 forming the angle, so that the explosion suppressant passes through the spacing space between the flow guiding plates 53 and the guiding baffles 51, which is located at the upper and lower parts of the opening 32, and will also pass through the passing opening between the plate surfaces of the two flow guiding plates 53, which is located at the middle of the opening 32. The flow guiding plates 53 can divert the explosion suppressant to the plate surfaces of the guiding baffles 51, so that when the guiding baffles 51 form an angle, the explosion suppressant can also realize real-time change of the spraying range along with the change of the angle of the angle.

[0073] In some feasible embodiments, a wind speed measuring assembly 7 is fixedly installed on the fixed outer shell 31. The wind speed measuring assembly 7 includes a wind speed sensor and a detection terminal.

[0074] Specifically, when the sea breeze blows towards the direction of the opening 32, it will drive the wind speed sensor to rotate.

[0075] The wind speed sensor is electrically connected to the detection terminal, and the detection terminal can detect the rotation speed of the wind speed sensor to measure the wind speed at this time.

[0076] The detection terminal is electrically connected to the cylinder 61. When the wind speed is too high and the detection terminal reaches the specified wind speed threshold, it will send an electrical signal to the cylinder 61 to control the operation of the cylinder 61, so that the cylinder 61 drives the guiding baffle 51 to rotate, change the angle, and reduce the spraying range of the explosion suppressant to avoid being scattered or disrupted by the excessive wind speed, which affects explosion suppression.

[0077] The detection terminal is signal-connected to the computer terminal. The computer terminal is arranged in the main control cabin of the offshore drilling platform. The computer terminal can be manually observed and controlled. All data parameters of the detection terminal will be transmitted to the computer terminal through signals and converted into graphic or digital parameters for easy manual observation of whether the data is normal.

[0078] It should be noted that the above-mentioned wind speed sensor, detection terminal, computer terminal and their connection methods all belong to the basic common knowledge mastered by those skilled in the art, so they are not described in detail in the specification.

[0079] In some feasible embodiments, the protective outer shell 3, the outlet size adjustment structure 5 and the driving structure 6 are all in the external environment. Among them, a rubber pad (not shown in the figure) is adhered and covered on the surfaces of all structural members located in the external environment.

[0080] Because there are salts and other chemical substances after the evaporation of seawater in the sea breeze, it is easier to cause corrosion and rust of various buildings or equipment. Therefore, rubber pads are covered on each structural member in contact with the external environment, and the corrosion resistance of the rubber pads themselves is used to slow down the corrosion and rust of the device.

[0081] So far, the embodiments of the present invention have been described in detail. In order to avoid obscuring the concept of the present invention, some details well known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions of the present invention based on the above description, and the scope of the present invention is defined by the appended claims.

Claims

1. An intelligent explosion suppression device for an offshore drilling platform, arranged on a supporting steel frame (1), comprising an explosion suppressor (4), characterized in that: A protective shell (3) is installed on the supporting steel frame (1), an explosion suppressor (4) is arranged inside the protective shell (3), and the supporting steel frame (1) and the protective shell (3) are connected together by fixing bolts (2); The fixing bolt member (2) comprises an elastic member and a bolt member, the elastic member is located between the contact surface of the supporting steel frame (1) and the protective shell (3), and the bolt member is sequentially passed through the supporting steel frame (1), the elastic member and the protective shell (3) for fixed connection; The explosion suppressor (4) comprises an explosion suppression tank (41) and a small-mouth pipe (42), wherein the small-mouth pipe (42) is located on the nozzle of the explosion suppression tank (41); The protective housing (3) comprises a fixed housing (31) and an opening (32); one end of the fixed housing (31) is provided with the opening (32); a small-mouth pipe (42) passes through the opening (32); an outlet size adjustment device is provided at the opening (32); the outlet size adjustment device comprises a guide baffle (51); the guide baffle (51) is rotatably provided at the opening (32); and the guide baffles (51) are symmetrically provided above and below the opening (32); The guide baffle (51) is connected to the driving end of the driving structure (6); the guide baffle (51) is driven by the driving structure (6) to rotate along the rotating connection of the opening (32); and the driving structure (6) is arranged on the protective shell (3).

2. According to the intelligent explosion suppression device for offshore drilling platforms described in claim 1, it is characterized in that: The fixing bolt member (2) further comprises a sheet metal member (21), and the sheet metal member (21) is welded to the fixing housing (31); The sheet metal part (21) is a long strip plate structure, and the long strip plate of the sheet metal part (21) corresponds to the length direction of the steel frame tube supporting the steel frame (1). The long strip plate of the sheet metal part (21) and the corresponding positions on the steel frame tube are penetrated by threaded holes, and bolts (23) are inserted into the threaded holes. A spring (24) is sleeved on one end of the bolt (23) passing through the steel frame pipe, and two ends of the spring (24) respectively abut against the bolt (23) head at one end of the bolt (23) and the steel frame pipe. A nut (25) is threadedly sleeved on one end of the bolt (23) passing through the sheet metal part (21), and the nut (25) abuts against the long strip plate surface of the sheet metal part (21).

3. According to the intelligent explosion suppression device for offshore drilling platforms described in claim 1, it is characterized in that: A mesh plate (43) is provided at the outlet of the small-mouth pipe (42), the mesh plate (43) blocks the outlet of the small-mouth pipe (42), and a plurality of through holes are provided on the mesh plate (43).

4. According to the intelligent explosion suppression device for offshore drilling platforms as described in claim 1, it is characterized in that: A plurality of explosion suppressors (4) are arranged in the fixed housing (31), and the explosion suppressors (4) are arranged in a row in the left-right direction of the opening (32).

5. The intelligent explosion suppression device for an offshore drilling platform according to claim 1, characterized in that: The guide baffle (51) is provided with side baffles (52) at both ends along the left and right directions of the opening (32), and the side baffles (52) on the guide baffle (51) symmetrically arranged at the opening (32) are arranged alternately.

6. The intelligent explosion suppression device for an offshore drilling platform according to claim 1, characterized in that: Each guide baffle (51) is correspondingly provided with a guide plate (53), and the guide plate (53) is located between two symmetrically arranged guide baffles (51); The plate surface of the guide plate (53) is parallel to the plate surface of the guide baffle (51), and the left and right ends of the guide plate (53) are fixedly connected to the corresponding guide baffle (51) and are spaced a certain distance apart; When two symmetrically arranged guide baffles (51) are parallel to each other through the driving structure (6), the plate surfaces of the two guide plates (53) corresponding to the guide baffles (51) abut against each other, and at this time, the explosion suppressant in the explosion suppressor (4) passes through the spacing space between the guide plates (53) and the guide baffles (51); When two symmetrically arranged guide baffles (51) form an angle with each other through the driving structure (6), an angle is also formed between the plate surfaces of the two guide plates (53) corresponding to the guide baffle (51), and the ends of the plate surfaces of the two guide plates (53) that are close to each other do not touch each other, forming a through-hole. At this time, the explosion suppressant in the explosion suppressor (4) passes through the spacing space between the guide plate (53) and the guide baffle (51), and also passes through the through-hole between the plate surfaces of the two guide plates (53).

7. The intelligent explosion suppression device for an offshore drilling platform according to claim 1, characterized in that: The driving structure (6) comprises a cylinder (61) and a connecting seat (62), wherein a push rod of the cylinder (61) is rotatably connected to the connecting seat (62), the connecting seat (62) is fixed on the guide baffle (51), and a cylinder body of the cylinder (61) is rotatably connected to another connecting seat (62), and the connecting seat (62) is fixed outside the opening (32).

8. The intelligent explosion suppression device for an offshore drilling platform according to claim 1, characterized in that: A wind speed measurement component (7) is fixedly mounted on the fixed housing (31), and the wind speed measurement component (7) comprises a wind speed sensor and a detection terminal; The wind speed sensor is connected to the detection terminal via a circuit, the detection terminal is connected to the cylinder (61) via a circuit, and the detection terminal is connected to the computer terminal via a signal.

9. The intelligent explosion suppression device for an offshore drilling platform according to claim 1, characterized in that: A layer of rubber pad is attached to the surface of the structural parts of the protective shell (3), the outlet size adjustment structure (5) and the driving structure (6) located in the external environment.

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