CN116659984A - Deep sea sediment in-situ analysis gas monitoring and collecting device - Google Patents

Abstract

The invention belongs to the technical field of ocean monitoring, in particular to an in-situ analysis gas monitoring and collection device for deep seabed sediments. The traditional stirring method cannot achieve a good stirring effect due to the limited range, resulting in a low gas analysis rate. The following scheme is proposed, including an outer cylinder, an inner cylinder is arranged inside the outer cylinder, the same top plate is fixedly connected to the top of the outer cylinder and the inner cylinder, and a circulation promoting resolution component is arranged inside the outer cylinder, and the circulation promoting resolution The assembly includes an inner chamber and a circulation chamber, and the inner chamber is located inside the inner cylinder. The in-situ analysis gas monitoring and collection device for deep seabed sediments disclosed by the present invention can change the movement state of sediments in a sealed environment by using a circulation promoting analysis component, so that it can flow in the inner chamber and the circulation chamber, and accelerate the gas analysis effect , using sediment to promote flow instead of traditional agitation can further improve the agitation effect of sediment, thereby improving the analysis of gas.

Description

A deep seabed sediment in-situ analysis gas monitoring and collection device

technical field

The invention relates to the technical field of marine monitoring, in particular to an in-situ analysis gas monitoring and collection device for deep seabed sediments.

Background technique

Submarine hydrocarbon seepage refers to the hydrocarbon components enriched under the seabed in the marine environment, which move upward along structures such as fractures, pores, unconformities, mud volcanoes and diapirs under the action of buoyancy or high-pressure displacement in the formation. A natural phenomenon that migrates to the seabed. Hydrocarbons leaking from the seabed mainly include gaseous hydrocarbons (mainly CH ₄ ), medium molecular weight and some high molecular weight hydrocarbons. Leaking hydrocarbons can form hydrocarbon anomalies in seabed sediments, seawater, and even seawater surface atmosphere. These seepage hydrocarbons can not only indicate favorable oil and gas enrichment areas, but their rich geochemical information can also identify the source and origin of seepage hydrocarbons, identify oil and gas properties and trace source area characteristics, including organic matter type, depositional environment, thermal Maturity and other information have great application potential for oil and gas exploration in deep water areas. The gaseous hydrocarbons (the main component is methane) leaking from the seabed, in addition to diffusing into the seawater in the form of bubble gas and dissolved gas, part of it is adsorbed in the sediment, so the sediment on the seabed needs to be monitored synchronously, However, this monitoring process requires in-situ collection and detection of seabed sediments to ensure the accuracy of monitoring results. To promote the efficiency of gas desorption, the method of stirring and mixing will be adopted, but the traditional stirring method cannot achieve a good stirring effect due to the limited range, resulting in a low gas desorption rate.

Contents of the invention

The invention discloses an in-situ desorption gas monitoring and collection device for deep seabed sediments, aiming to solve the technical problem of low gas desorption rate caused by the traditional agitation method in the background technology that cannot achieve a good agitation effect due to limited range.

The present invention proposes a deep seabed sediment in-situ analysis gas monitoring and collection device, comprising an outer cylinder, an inner cylinder is arranged inside the outer cylinder, the top of the outer cylinder and the inner cylinder are fixedly connected with the same top plate, and the outer cylinder The interior of the cylinder is provided with a circulation-promoting resolution component, which includes an inner chamber and a circulation chamber. The inner chamber is located inside the inner cylinder, and the circulation chamber is located between the outer cylinder and the inner cylinder. Symmetrical gap, the gap connects the inner cylinder and the outer cylinder, and the gap is provided with an arc-shaped guide plate, which is fixedly connected with the inner cylinder, and the two symmetrical gaps are equipped with drainage fans, and the top of the top plate There are two symmetrical motor boxes fixedly connected to the side, and the drive motors are fixedly connected inside the two motor boxes, the output ends of the two drive motors are connected to the rotating shaft through the coupling, and the other ends of the rotating shaft pass through the top plate The drainage fan on the same side is movably connected with the bottom inner wall of the circulation chamber.

By setting up the circulation-promoting analysis component, the circulation-promoting analysis component can change the movement state of the sediment in a sealed environment, make it flow in the inner chamber and the circulation chamber, accelerate the gas analysis effect, and use the sediment-promoting flow method to replace the traditional Stirring can further improve the agitation effect of the sediment, thereby improving the analysis of the gas; the arc-shaped guide plate and the drainage fan can promote the circulation process of the sediment in the circulation chamber and the inner chamber.

In a preferred solution, two symmetrical heating seats are fixedly connected to the inner cylinder, both heating seats are located in the circulation chamber, and a plurality of equidistant electric heating plates are fixedly connected to the two heating seats.

By installing a heating seat and an electric heating plate, during the flow of the sediment in the circulation chamber, the electric heating plate on the heating seat will work to heat the flowing sediment, thereby increasing the temperature of the sediment and accelerating the gas analysis efficiency of the sediment; The flowing sediment is heated in the circulation chamber, which can ensure the uniformity of the sediment heating process.

In a preferred solution, the inner cylinder is provided with two symmetrical built-in seats, and the two built-in seats are located inside the inner compartment; a motor room and two side rooms are opened on the two built-in seats, The motor chamber is located in the middle of the built-in seat, and the two side chambers are located on both sides of the motor chamber in a symmetrical distribution, and a vibration-promoting component is arranged between the two built-in seats; the vibration-promoting component includes two H-shaped motor frames and four Two side plates, two H-shaped motor racks are respectively located inside the two motor rooms, four side plates are respectively located inside the four side rooms, and connecting rods are fixedly connected between the motor rooms on the same side and the two side plates , the connecting rod and the built-in seat are all flexibly connected, and the interior of the four side chambers are provided with chute, the four side plates are flexibly connected to the four side chambers, and the two H-shaped motor frames are fixedly connected with vibration Motor; three equidistant rectangular mounting slots are opened on the four side plates, and the interior of the rectangular mounting slots is fixedly connected with mounting plates, and multiple mounting plates are arranged between two symmetrical mounting plates on different sides. The vibrating rods are equidistant up and down, the two ends of the multiple vibrating rods are fixedly connected with functional springs, and the functional springs are fixedly connected with adjacent mounting plates.

By installing the vibration-promoting analysis component, the vibration-promoting component can use the vibration motor to drive multiple vibrating rods in the inner chamber to vibrate at high frequency, thereby increasing the contact effect between the vibrating rod and the sediment in the inner chamber, and improving the air quality of the sediment. Resolution rate; the functional springs on both sides of the vibrating rod can increase the shaking effect of the vibrating rod, thereby improving the vibrating efficiency of the vibrating rod.

In a preferred solution, a bottom cylinder is provided below the outer cylinder, and two symmetrical motor bases are fixedly connected to the outside of the outer cylinder, the lower end of the motor base is fixedly connected to the bottom cylinder, and the two motor bases are fixedly connected to each other. The inside is fixedly connected with a reverse motor, the output end of the reverse motor is connected with a short shaft through a coupling, the other end of the short shaft is movably connected with the upper side of the bottom cylinder, and the outside of the two short shafts is fixedly connected with a sealing plate , the two sealing plates are located between the outer cylinder and the bottom cylinder, and the two sealing plates fit each other.

By being provided with a reversing motor and a sealing plate, the use of two flipped sealing plates facilitates the formation of a sealed environment after the sediment enters the inner chamber, thereby facilitating the analytical gas detection of the quantitative sediment.

In a preferred solution, an air cylinder is fixedly connected to the upper side of the top plate, and the air cylinder and the inner cylinder are in a communication state, and the inside of the air cylinder is provided with a valve, and the outside of the air cylinder is provided with a control switch; the upper side of the air cylinder An air chamber is fixedly connected, and the top inner wall of the air chamber is provided with an installation groove, and the inside of the installation groove is fixedly connected with a collection box; the upper side of the top plate is fixedly connected with an upper seat, and a fixed Seat, the upper side of the upper seat and the lower side of the fixed seat are provided with annular installation grooves, the inner ring of the annular installation groove of the upper seat is fixedly connected with a magnetic ring, and the inner ring installation groove of the fixed seat is provided with an electromagnet, and the upper The upper side of the seat is fixedly connected with a plurality of sliding rods, the fixed seat is provided with a plurality of round holes, and the plurality of sliding rods are located in the inner movable connection of the plurality of round holes, and the upper seat and the fixed seat are fixedly connected with symmetrical Return spring, the two ends of return spring are respectively fixedly connected with the upper side of the upper seat and the lower side of the fixed seat.

By setting the air chamber, air cylinder and valve, the air chamber is located above the outer cylinder and the inner cylinder, and is in a sealed state when the sediment is collected, and will not enter the sediment and seawater. During the monitoring process, due to the sealed environment, The seawater and sediment in the inner chamber will not interfere with the gas chamber, so it is convenient for the upward discharge and collection of the gas after analysis.

As can be seen from the above, the beneficial effects of the present invention are:

1. A deep seabed sediment in-situ analysis gas monitoring and collection device is provided, which can change the movement state of the sediment in a sealed environment, make it flow in the inner chamber and the circulation chamber, and accelerate the gas analysis effect. The flow-promoting method replaces the traditional stirring, which can further improve the stirring effect of the sediment, thereby improving the gas analysis.

2. During the analysis process, the vibration motors located on the two built-in seats are in a synchronous working state. The vibration motor will drive the H-shaped motor frame to vibrate at high frequency, and the side plates on both sides will vibrate with the H-shaped motor frame. As a result, multiple vibrating rods located on the side plate are forced to change their motion state, and the contact effect between the vibrating rods and the sediment is increased;

3. The vibration-promoting analysis component is suitable for the auxiliary link in the sediment gas analysis process, that is, the vibration-promoting analysis component can use the vibration motor to drive multiple vibrating rods in the inner chamber to vibrate at high frequency, thereby increasing the vibration rod and the inner chamber. The contact effect of the sediment improves the gas desorption rate of the sediment; the functional springs on both sides of the vibrating rod can increase the shaking effect of the vibrating rod, thereby improving the vibration efficiency of the vibrating rod.

Description of drawings

Fig. 1 is the overall sectional structure schematic diagram of a kind of deep seabed sediment in-situ analytical gas monitoring and acquisition device proposed by the present invention;

Fig. 2 is a schematic diagram of the structure of an outer cylinder and an inner cylinder of a deep seabed sediment in-situ analysis gas monitoring and collection device proposed by the present invention;

Fig. 3 is a schematic structural diagram of a circulation-promoting analysis component of a deep seabed sediment in-situ analysis gas monitoring and collection device proposed by the present invention;

Fig. 4 is a schematic diagram of the built-in seat structure of a deep seabed sediment in-situ analysis gas monitoring and collection device proposed by the present invention;

Fig. 5 is a schematic diagram of the side plate structure of a deep seabed sediment in-situ analysis gas monitoring and collection device proposed by the present invention;

6 is a schematic diagram of a cross-sectional structure of an outer cylinder of a deep seabed sediment in-situ analysis gas monitoring and collection device proposed by the present invention;

Fig. 7 is a schematic diagram of the bottom cylinder structure of a deep seabed sediment in-situ analysis gas monitoring and collection device proposed by the present invention;

Fig. 8 is a schematic diagram of an upper seat structure of an in-situ analysis gas monitoring and collection device for deep seabed sediments proposed by the present invention.

In the figure: 1. Outer cylinder; 2. Inner cylinder; 3. Top plate; 4. Circulation promoting analysis component; 401, inner chamber; 402, circulation chamber; 403, arc guide plate; 404, rotating shaft; 405, drainage fan; 406. Motor box; 407. Drive motor; 5. Heating seat; 6. Electric heating plate; 7. Built-in seat; 8. Motor room; 9. Side room; 10. Vibration-promoting analysis component; Side plate; 1003, vibrating motor; 1004, connecting rod; 1005, mounting plate; 1006, vibrating rod; 1007, functional spring; 16. Valve; 17. Air chamber; 18. Collection box; 19. Upper seat; 20. Fixed seat; 21. Magnetic ring; 22. Electromagnet; 23. Slide bar; 24. Return spring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

The in-situ analysis gas monitoring and collection device for deep seabed sediments disclosed by the present invention is mainly used in the scene where the gas analysis rate is low.

Referring to Figures 1-3, a deep seabed sediment in-situ analysis gas monitoring and collection device includes an outer cylinder 1, an inner cylinder 2 is arranged inside the outer cylinder 1, and the tops of the outer cylinder 1 and the inner cylinder 2 are connected by bolts. The same top plate 3, and the interior of the outer cylinder 1 is provided with a circulation promoting resolution component 4, the circulation promoting resolution component 4 includes an inner chamber 401 and a circulation chamber 402, the inner chamber 401 is located inside the inner cylinder 2, and the circulation chamber 402 is located in the outer cylinder 1 and the inner cylinder 2, there is a symmetrical gap on the inner cylinder 2, the gap connects the inner cylinder 2 and the outer cylinder 1, and an arc-shaped guide plate 403 is provided at the gap, between the arc-shaped guide plate 403 and the inner cylinder 2 Through the bolt connection, the two symmetrical gaps are provided with a drainage fan 405, and the upper side of the top plate 3 is connected with two symmetrical motor boxes 406 by bolts, and the inside of the two motor boxes 406 is connected with a drive motor 407 by bolts , the output ends of the two drive motors 407 are all connected to the rotating shaft 404 by a coupling, and the other end of the rotating shaft 404 passes through the top plate 3 and the same side of the drainage fan 405 and the bottom inner wall of the circulation chamber 402 is rotatably connected by bearings.

Specifically, after the sediment collection is completed, the outer cylinder 1 and the inner cylinder 2 are closed to form a sealed environment, and then the analytical gas detection is performed. During the process, the two drive motors 407 are started at the same time, and the two drainage fans 405 rotate to change the sediment in the inner chamber 401. state, the sediment is pushed into the circulation chamber 402 by the drainage fan 405, and the sediment forms a flow state in the inner chamber 401 and the circulation chamber 402;

In a specific application scenario, the circulation promoting desorption component 4 is suitable for the sediment agitation link in the sediment degassing process, that is, the circulation promoting desorption component 4 can change the motion state of the sediment in a sealed environment, making it 401 and the circulation chamber 402, accelerate the gas analysis effect, and use the sediment to promote the flow instead of the traditional agitation, which can further improve the agitation effect of the sediment, thereby improving the analysis of the gas; the curved guide plate 403 and the drainage fan 405 can promote The circulation process of the deposits in the circulation chamber 402 and the inner chamber 401.

Referring to Figure 1, Figure 2 and Figure 3, there are two symmetrical heating seats 5 connected by bolts on the inner cylinder 2, both of which are located in the circulation chamber 402, and both heating seats 5 are connected by bolts. A plurality of equidistant electric heating plates 6, the electric heating plates 6 are in the structural form of built-in heating wires, and heat treatment is carried out in the form of energization, and the electric heating plates 6 can be connected to a controller to control their temperature, so that the temperature can be controlled. controllable.

Specifically, during the flow of deposits in the circulation chamber 402, the electric heating plate 6 on the heating seat 5 will work to heat the deposits flowing through, thereby increasing the temperature of the deposits and accelerating the gas analysis efficiency of the deposits; the circulation chamber 402 The internal heating of the flowing sediment can ensure the uniformity of the sediment heating process.

Referring to Fig. 1, Fig. 3 and Fig. 4, two symmetrical built-in seats 7 are arranged on the inner cylinder 2, and the two built-in seats 7 are located inside the inner bin 401; motor chambers 8 are provided on the two built-in seats 7 And two side chambers 9, the motor chamber 8 is located in the middle of the built-in seat 7, and the two side chambers 9 are symmetrically distributed on both sides of the motor chamber 8, and a vibration-promoting analysis component 10 is arranged between the two built-in seats 7.

Referring to Fig. 3, Fig. 4 and Fig. 5, the vibration-promoting analysis assembly 10 includes two H-shaped motor frames 1001 and four side plates 1002, and the two H-shaped motor frames 1001 are respectively located inside the two motor chambers 8, and the four sides The plates 1002 are respectively located inside the four side chambers 9, and the connecting rods 1004 are connected by bolts between the motor chamber 8 and the two side plates 1002 on the same side. The inside of each side chamber 9 is provided with a chute, and the four side plates 1002 are slidingly connected with the four side chambers 9. The two H-shaped motor frames 1001 are connected with vibration motors 1003 by bolts. The vibration motors 1003 are mounted on the rotor. A set of adjustable eccentric blocks are installed at both ends of the shaft, and the excitation force is obtained by using the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block; the vibration frequency range of the vibration motor is large, and the mechanical noise can only be reduced if the excitation force and power are properly matched; the four sides There are three equidistant rectangular installation slots on each of the boards 1002, and the interior of the rectangular installation slots is connected with the installation board 1005 by bolts, and multiple up and down equidistant installation boards are arranged between the two symmetrical installation boards 1005 on different sides Vibrating rods 1006, the two ends of multiple vibrating rods 1006 are connected with functional springs 1007 by bolts, and the functional springs 1007 are connected with adjacent mounting plates 1005 by bolts.

Specifically, during the analysis process, the vibration motors 1003 located on the two built-in seats 7 are in a synchronous working state, and the vibration motors 1003 will drive the H-shaped motor frame 1001 to perform high-frequency vibrations, and the side plates 1002 on both sides will accompany the H The type motor frame 1001 vibrates, so that a plurality of vibrating rods 1006 on the side plate 1002 are forced to change their motion state, and the contact effect between the vibrating rods 1006 and the sediment is increased;

In a specific application scenario, the vibration-promoting analysis component 10 is suitable for the auxiliary link in the sediment gas analysis process, that is, the vibration-promoting analysis component 10 can use the vibration motor 1003 to drive a plurality of vibrating rods 1006 in the inner chamber 401 to carry out high-frequency Vibration, thereby increasing the contact effect between the vibrating rod 1006 and the sediment in the inner chamber 401, and improving the gas desorption rate of the sediment; the functional springs 1007 on both sides of the vibrating rod 1006 can increase the shaking effect of the vibrating rod 1006, thereby improving the vibrating rod 1006. vibration efficiency.

Referring to Figure 1, Figure 6 and Figure 7, a bottom cylinder 11 is provided below the outer cylinder 1, and two symmetrical motor seats 12 are connected to the outside of the outer cylinder 1 by bolts, and the lower end of the motor seat 12 and the bottom cylinder 11 pass through Bolt connection, and the interior of the two motor bases 12 is connected with a reverse motor 13 by bolts, the output end of the reverse motor 13 is connected with a short shaft through a coupling, and the other end of the short shaft passes through the upper side of the bottom cylinder 11. The bearings are rotatably connected, and the exteriors of the two short shafts are connected with sealing plates 14 by bolts, and the two sealing plates 14 are both located between the outer cylinder 1 and the bottom cylinder 11, and the two sealing plates 14 fit together.

Specifically, after the device is lowered, the bottom cylinder 11 will be in contact with the sediment on the bottom of the sea, and as the pressure continues, the sediment will enter the inner chamber 401, and then the reverse motor 13 on the two motor bases 12, the two seals The plate 14 is turned over towards the bottom cylinder 11 until it fits together, at this time, a sealed environment is formed in the outer cylinder 1 and the inner cylinder 2; the use of two flipped sealing plates 14 facilitates the formation of a sealed environment after the sediment enters the inner chamber 401, thereby facilitating Analytical gas detection for quantitative deposits.

Referring to Fig. 1, Fig. 6 and Fig. 8, the upper side of the top plate 3 is connected with an air cylinder 15 by bolts, the air cylinder 15 and the inner cylinder 2 are in a communication state, and the inside of the air cylinder 15 is provided with a valve 16, and the outside of the air cylinder 15 is provided with a Control switch; the upper side of the gas cylinder 15 is connected with an air chamber 17 by bolts, and the top inner wall of the air chamber 17 is provided with a mounting groove, and the inside of the mounting groove is connected with a collection box 18 by bolts; the upper side of the top plate 3 is connected by bolts There is an upper seat 19, a fixed seat 20 is arranged above the upper seat 19, and an annular mounting groove is provided on the upper side of the upper seat 19 and the lower side of the fixed seat 20, and the annular mounting groove of the upper seat 19 passes through The bolt is connected with a magnetic ring 21, an electromagnet 22 is arranged inside the annular mounting groove of the fixed seat 20, and the upper side of the upper seat 19 is connected with a plurality of slide bars 23 by bolts, and a plurality of round holes are provided on the fixed seat 20. A plurality of slide bars 23 are positioned at the inner sliding connection of a plurality of circular holes, and a symmetrical return spring 24 is connected by bolts between the upper seat 19 and the fixed seat 20, and the two ends of the return spring 24 are respectively connected to the upper side of the upper seat 19 It is connected with the underside of the fixing seat 20 by bolts.

Specifically, the fixed seat 20 is installed on the lowering equipment and moved to the seabed where detection is required. After the electromagnet 22 is energized, it forms the opposite magnetic pole with the magnetic ring 21. The upper seat 19 is moved downward by the repulsive force, and the bottom cylinder 11 is inserted The inside of the seabed sediment (at this time, the slide bar 23 slides on the fixed seat 20, and the return spring 24 is stretched and elastically deformed. After the subsequent electromagnet 22 is powered off, the reaction force of the elastic deformation of the return spring 24 will drive the upper seat. 19 to reset); in the monitoring process, after forming a sealed environment, the valve 16 on the gas cylinder 15 is opened, the gas analyzed in the sediment will enter the gas chamber 17 through the gas cylinder 15, and the gas that the collection box 18 will separate out is collected and analyzed ;

It should be noted that the air chamber 17 is located above the outer cylinder 1 and the inner cylinder 2, and is in a sealed state when the sediment is collected, and will not enter the sediment and seawater. During the monitoring process, due to the sealed environment, the inner chamber 401 The seawater and sediment in the gas will not interfere with the gas chamber 17, so it is convenient for the upward discharge and collection of the decomposed gas.

Working principle: When in use, install the fixed seat 20 on the lowering equipment and move it to the seabed that needs to be tested. After the electromagnet 22 is energized, it forms the opposite magnetic pole with the magnetic ring 21. The upper seat 19 is repulsed and moves downward. The cylinder 11 is inserted into the seabed sediment, and as the pressure continues, the sediment will enter the inner chamber 401, and then the reverse motor 13 on the two motor bases 12, and the two sealing plates 14 are turned towards the bottom cylinder 11 until they are mutually At this time, a sealed environment is formed in the outer cylinder 1 and the inner cylinder 2;

During the analysis gas detection process, the valve 16 on the gas cylinder 15 is opened, and the gas analyzed in the sediment will enter the gas chamber 17 through the gas cylinder 15, and the gas precipitated by the collection box 18 will be collected and analyzed, and the two driving motors 407 will be started at the same time , the two drainage fans 405 rotate to change the state of the sediment in the inner chamber 401, the sediment is pushed into the circulation chamber 402 by the drainage fan 405, the sediment forms a flow state in the inner chamber 401 and the circulation chamber 402, and the sediment flows in the circulation chamber 402 During the internal flow process, the electric heating plate 6 on the heating seat 5 will work to heat the sediment flowing through, thereby increasing the temperature of the sediment and accelerating the gas analysis efficiency of the sediment; at the same time, the vibration motor 1003 on the two built-in seats 7 In a synchronous working state, the vibration motor 1003 will drive the H-shaped motor frame 1001 to vibrate at high frequency, and the side plates 1002 on both sides will vibrate with the H-shaped motor frame 1001, so that the multiple vibration rods 1006 on the side plate 1002 The motion state is changed by force, and the contact effect between the vibrating rod 1006 and the sediment is increased.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a deep sea sediment in situ analysis gas monitoring and collection system, includes urceolus (1), its characterized in that, the inside of urceolus (1) is provided with inner tube (2), the top fixedly connected with of urceolus (1) and inner tube (2) is same roof (3), and the inside of urceolus (1) is provided with circulation and promotes analysis subassembly (4), circulation promotes analysis subassembly (4) including interior storehouse (401) and circulation storehouse (402), interior storehouse (401) are located the inside of inner tube (2), and circulation storehouse (402) are located between urceolus (1) and inner tube (2), offer symmetrical breach on inner tube (2), breach intercommunication (2) and urceolus (1), and breach department is provided with arc deflector (403), fixedly connected with between arc deflector (403) and the inner tube (2), all be provided with drainage fan (405) in the breach of two symmetries, and the upside fixedly connected with two symmetrical motor boxes (406), the inside of two motor boxes (406) all fixedly connected with driving motor (407), two output through shaft coupling (404) of two motor boxes (407), the other end of the rotating shaft (404) penetrates through the top plate (3) and the drainage fan (405) at the same side to be movably connected with the inner wall of the bottom of the circulating bin (402).

2. The in-situ analysis gas monitoring and collecting device for deep-sea sediment according to claim 1, wherein two symmetrical heating seats (5) are fixedly connected to the inner cylinder (2), the two heating seats (5) are both positioned in the circulating bin (402), and a plurality of equidistant electric heating plates (6) are fixedly connected to the two heating seats (5).

3. The deep-sea sediment in-situ analysis gas monitoring and collecting device according to claim 1, wherein two symmetrical built-in seats (7) are arranged on the inner cylinder (2), and the two built-in seats (7) are both positioned in the inner bin (401).

4. A deep-sea sediment in-situ analysis gas monitoring and collecting device according to claim 3, characterized in that the two built-in seats (7) are provided with a motor chamber (8) and two side chambers (9), the motor chamber (8) is positioned in the middle of the built-in seat (7), the two side chambers (9) are symmetrically distributed on two sides of the motor chamber (8), and vibration analysis promotion components (10) are arranged between the two built-in seats (7).

5. The deep-sea sediment in-situ analysis gas monitoring and collecting device according to claim 4, wherein the vibration analysis promotion component (10) comprises two H-shaped motor frames (1001) and four side plates (1002), the two H-shaped motor frames (1001) are respectively located in the two motor chambers (8), the four side plates (1002) are respectively located in the four side chambers (9), connecting rods (1004) are fixedly connected between the motor chambers (8) located on the same side and the two side plates (1002), the connecting rods (1004) are movably connected with the built-in seats (7), sliding grooves are formed in the four side chambers (9), the four side plates (1002) are movably connected with the four side chambers (9), and vibration motors (1003) are fixedly connected to the two H-shaped motor frames (1001).

6. The deep-sea sediment in-situ analysis gas monitoring and collecting device according to claim 5, wherein three equidistant rectangular mounting grooves are formed in each of the four side plates (1002), mounting plates (1005) are fixedly connected to the inside of each rectangular mounting groove, a plurality of vibrating rods (1006) which are equidistant up and down are arranged between two symmetrical mounting plates (1005) which are positioned on the non-same side, functional springs (1007) are fixedly connected to two ends of each vibrating rod (1006), and the functional springs (1007) are fixedly connected to the adjacent mounting plates (1005).

7. The deep sea sediment in-situ analysis gas monitoring and collecting device according to claim 1, wherein a bottom cylinder (11) is arranged below the outer cylinder (1), two symmetrical motor bases (12) are fixedly connected to the outer part of the outer cylinder (1), the lower ends of the motor bases (12) are fixedly connected with the bottom cylinder (11), reverse motors (13) are fixedly connected to the inner parts of the two motor bases (12), short shafts are connected to the output ends of the reverse motors (13) through couplings, the other ends of the short shafts are movably connected with the upper side of the bottom cylinder (11), sealing plates (14) are fixedly connected to the outer parts of the two short shafts, the two sealing plates (14) are located between the outer cylinder (1) and the bottom cylinder (11), and the two sealing plates (14) are matched with each other.

8. The in-situ analysis gas monitoring and collecting device for deep-sea sediment according to claim 1, wherein the upper side of the top plate (3) is fixedly connected with an air cylinder (15), the air cylinder (15) is communicated with the inner cylinder (2), a valve (16) is arranged in the air cylinder (15), and a control switch is arranged on the outer side of the air cylinder (15).

9. The in-situ analysis gas monitoring and collecting device for deep-sea sediment according to claim 8, wherein the upper side of the inflator (15) is fixedly connected with an air cavity (17), the inner wall of the top of the air cavity (17) is provided with a mounting groove, and the inside of the mounting groove is fixedly connected with a collecting box (18).

10. The deep-sea sediment in-situ analysis gas monitoring and collecting device according to claim 8, wherein an upper seat (19) is fixedly connected to the upper side of the top plate (3), a fixed seat (20) is arranged above the upper seat (19), annular mounting grooves are formed in the upper side of the upper seat (19) and the lower side of the fixed seat (20), a magnetic ring (21) is fixedly connected to the inner portion of the annular mounting groove of the upper seat (19), an electromagnet (22) is arranged in the annular mounting groove of the fixed seat (20), a plurality of sliding rods (23) are fixedly connected to the upper side of the upper seat (19), a plurality of round holes are formed in the fixed seat (20), a plurality of sliding rods (23) are movably connected to the inner portions of the round holes, symmetrical reset springs (24) are fixedly connected between the upper seat (19) and the fixed seat (20), and two ends of the reset springs (24) are fixedly connected with the upper side of the upper seat (19) and the lower side of the fixed seat (20) respectively.