CN113176119B - Simple collecting device and rapid detection method for deepwater hydrocarbon-containing gas - Google Patents
Simple collecting device and rapid detection method for deepwater hydrocarbon-containing gas Download PDFInfo
- Publication number
- CN113176119B CN113176119B CN202110543993.7A CN202110543993A CN113176119B CN 113176119 B CN113176119 B CN 113176119B CN 202110543993 A CN202110543993 A CN 202110543993A CN 113176119 B CN113176119 B CN 113176119B
- Authority
- CN
- China
- Prior art keywords
- gas
- collecting hood
- hydrocarbon
- rods
- gas collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
Abstract
The invention discloses a simple collecting device and a rapid detection method for deep-water hydrocarbon-containing gas, which comprise a gas collecting hood, a gas conveying pipe, a gas collecting device, a drying device and a rapid gas detection device which are sequentially connected, wherein a cable for lifting and lowering the gas collecting hood is installed on the gas collecting hood, the gas collecting hood is released to a set depth and a set collecting position in a water body through the cable, the gas collecting device conveys the collected hydrocarbon-containing gas to the drying device through the gas conveying pipe and the gas collecting device in sequence for drying, and the hydrocarbon-containing gas dried by the drying device is conveyed to the rapid gas detection device for on-line analysis of components and isotopes, so that real-time detection of gas escape points of sediments at the bottom of the water body in a field is realized, and the defects that the work efficiency is low, the delay time is long and the like caused by the fact that the escaped gas in deep-water sediments can only be sampled and returned to a laboratory for detection in the past are solved.
Description
Technical Field
The invention relates to the technical field of environmental detection, in particular to a simple collecting device and a rapid detection method for deep-water hydrocarbon-containing gas.
Background
Hydrocarbon-containing gases such as methane are an important greenhouse gas in the atmosphere, and play an important role in the destruction of the ozone layer outside the atmosphere. Scientists have discovered that the potential cause of global warming is "a gradual accumulation of greenhouse gases, where diffusive methane is more hazardous to enter the atmosphere, which makes global warming 22 times more likely than carbon dioxide. In nature, a large amount of greenhouse gases come from underwater, and methane is generated from bottom sediments of water bodies such as oceans, lakes, ponds and rivers, and mainly emerges from the water surface in the form of bubbles and enters the atmosphere.
At present, when detecting hydrocarbon-containing gas in a water area, gas collection hoods with gas collection functions are generally released into the water area to be detected, after the gas collection hoods complete gas collection, the gas collection hoods are lifted out of the water, the gas collected by the gas collection hoods is collected, and then the collected gas is brought back to a laboratory for analysis and detection of components and isotopes, so as to judge the concentration and the components of the hydrocarbon-containing gas in the corresponding water area.
Since gas detection is not performed in the field, detection of hydrocarbon-containing gas is inefficient.
Disclosure of Invention
The invention aims to provide a simple collecting device and a rapid detection method for deep-water hydrocarbon-containing gas, and aims to solve the technical problem that in the prior art, the detection efficiency of the hydrocarbon-containing gas is low because gas detection is not carried out in field.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a simple collecting device for deep water hydrocarbon-containing gas comprises a gas collecting hood, a gas conveying pipe, a gas collecting device, a drying device and a gas rapid detection device which are connected in sequence, wherein a cable for hoisting and lifting the gas collecting hood is installed on the gas collecting hood;
the gas-collecting hood is released to a set depth and a set collection position in a water body through the cable, the gas-collecting device conveys the hydrocarbon-containing gas collected by the gas-collecting hood to the drying device through the gas conveying pipe and the gas-collecting device in sequence for drying, and the hydrocarbon-containing gas dried by the drying device is conveyed to the gas rapid detection device for on-line analysis of components and isotopes.
As a preferred scheme of the invention, the gas collecting hood comprises a round end, a supporting bone rod and a folding cover surface, wherein the top end of the round end is connected with the cable, and a gas transmission nozzle with one end connected with the gas transmission pipe is arranged at the round end in a penetrating way;
it is provided with a plurality ofly, a plurality of to support the bone pole the stiff end of supporting the bone pole all rotates to be installed the side of circular end, and a plurality of support the bone pole and center on circular end is interval distribution such as circumference, folding top facing is installed in a plurality of support on the bone pole, just install on the circular end and connect a plurality ofly support opening and shutting actuating mechanism of bone pole, it is a plurality of to open and shut actuating mechanism support promotion and the pulling that the bone pole goes on, so that a plurality of support the corresponding mutual keeping away from of expansion end of bone pole and be close to each other, and make a plurality of support on the bone pole folding top facing is corresponding expand and fold.
As a preferable scheme of the present invention, the folding mat cover includes a sector plate and a hinge shaft, wherein two sides of the sector plate are both provided with a slot hole penetrating through two ends of the sector plate for the hinge shaft and the support bone rod to be inserted, and two sides of the sector plate are both provided with a plurality of cut-off grooves penetrating through the slot hole at intervals, a hinge portion having a length not greater than that of the cut-off groove is formed between adjacent cut-off grooves, and one side of the adjacent sector plate, which is close to the adjacent sector plate, is inserted and matched with the plurality of cut-off grooves and the plurality of hinge portions through one-to-one correspondence, and is rotatably mounted on the same hinge shaft and the same support bone rod.
As a preferable aspect of the present invention, the circumference of the top portion of the circular end, which is connected to the cable, is provided with rubber sealing rings extending outward, and a gap between the inner circumference of the unfolded folding mat surface and the outer circumference of the circular end is closed by the rubber sealing rings.
As a preferred scheme of the present invention, a plurality of limiting shafts corresponding to the plurality of hinged shafts and the plurality of supporting bone rods one to one are mounted on a side surface of the circular end, limiting holes are respectively formed at fixed ends of the hinged shafts and the supporting bone rods, and the hinged shafts and the fixed ends of the supporting bone rods are rotatably mounted on the limiting shafts through the limiting holes;
and a plurality of spacing grooves are opened to the side of circular end, the both ends of spacing axle are all installed on the spacing groove cell wall, the articulated shaft with the both sides of the stiff end of support bone pole all are with the plane of laminating mutually of the cell wall of spacing groove.
As a preferred scheme of the present invention, the opening and closing driving mechanism includes a push-pull driving assembly, a guide rod and a linkage ring, which are connected in sequence, a plurality of guide holes are formed through the circular end head, the guide rods, one ends of which are connected to the push-pull driving assembly, are slidably mounted in the guide holes, the other ends of the guide rods are connected through the linkage ring, the push-pull driving assembly is mounted at the top of the circular end head, a plurality of diagonal braces corresponding to the support bone rods one to one are rotatably mounted on the linkage ring, a plurality of support rods corresponding to the diagonal braces one to one are mounted at the bottom of the circular end head relative to the push-pull driving assembly, and a fulcrum shaft is mounted at one end of each support rod relative to the circular end head;
one end of the inclined strut is rotatably mounted on the linkage ring, an elongated slot matched with the fulcrum shaft is formed in the inclined strut along the length direction, the inclined strut and the fulcrum shaft slide relatively through the elongated slot and are in rotating fit, and the other end of the inclined strut, which is opposite to the linkage ring, is rotatably connected with one side of the sector plate mounted on the support bone rod.
As a preferable scheme of the invention, the push-pull driving assembly is connected with the plurality of guide rods through a linkage plate, a top shell is installed at the top of the round end head relative to the steel wire mesh, the cable is connected with the round end head through the top shell, the push-pull driving assembly is fixedly installed in the top shell, the linkage plate is located in the top shell, and the side wall of the linkage plate is in sliding fit with the inner wall of the top shell.
As a preferred scheme of the invention, a pair of partition plates arranged at intervals are arranged in the top shell, the top shell is internally divided into a piston cavity provided with the linkage plate, a driving cavity provided with the push-pull driving assembly and a water pressure assisting cavity positioned between the pair of partition plates through the pair of partition plates, a piston is slidably arranged in the piston cavity, the piston is connected with the plurality of guide rods through the linkage plate, and a central hole for connecting the push-pull driving assembly with the piston is formed in each of the pair of partition plates in a penetrating manner;
the water pressure assisting cavity and the piston cavity are arranged between the water pressure assisting cavity and the piston cavity, a plurality of overflow holes are formed in the partition plate in an equal interval mode, inner water inlet holes penetrating into the water pressure assisting cavity are formed in the outer wall of the top shell in an equal interval mode, an annular valve ring used for controlling the inner water inlet holes to be closed and opened is rotatably installed outside the top shell, outer water inlet holes penetrating through the inner side and the outer side of the annular valve ring are formed in the annular valve ring, the width of the interval between the adjacent outer water inlet holes is not smaller than the width of the inner water inlet holes, and a rotary driving assembly used for driving the annular valve ring to rotate is installed on the outer wall of the top shell.
In order to solve the above technical problems, the present invention further provides the following technical solutions:
a rapid detection method for a simple collection device of deep water hydrocarbon-containing gas comprises the following steps:
s100, surveying a water area to be measured and determining a gas collecting point comprising a throwing position and a throwing depth for throwing a gas collecting hood;
s200, releasing the gas collecting hood connected with the gas conveying pipe to a gas collecting point through a release cable;
s300, after the gas collecting hood is static at a gas collecting point, starting a gas collecting device connected with the gas conveying pipe to extract the hydrocarbon-containing gas collected by the gas collecting hood and input the hydrocarbon-containing gas into a drying device for drying treatment;
s400, the drying device conveys the dried hydrocarbon-containing gas to a gas rapid detection device for on-line analysis of components and isotopes;
s500, after the gas rapid detection device completes online analysis on the components and the identity of the hydrocarbon-containing gas, the gas collecting hood is pulled out of the water through a cable.
As a preferable aspect of the present invention, before the gas collecting hood is put into water and pulled out of water, the folding mat surface of the gas collecting hood is folded, and when the gas collecting hood reaches a gas collecting point, the folding mat surface of the gas collecting hood is unfolded.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the gas collecting device is used for extracting the hydrocarbon-containing gas in the gas collecting hood and the gas conveying pipe, the extracted hydrocarbon-containing gas containing moisture is conveyed to the drying device for drying treatment, and the dried hydrocarbon-containing gas is conveyed to the gas rapid detection device for on-line analysis of components and isotopes, so that real-time detection of gas escape points of sediments at the bottom of the water body in the field is realized, and the defects of low working efficiency, long delay time and the like caused by the fact that the gas escaping from sediments in deep lakes can only be sampled and returned to a laboratory for detection in the prior art are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a gas collecting channel structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a sector plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a cut-off groove according to an embodiment of the present invention;
fig. 5 is a schematic view of an opening and closing driving mechanism according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a gas-collecting hood; 2-a gas conveying pipe; 3-a gas collection device; 4-a drying device; 5-a rapid gas detection device; 6-a cable; 7-opening and closing driving mechanism; 8-long holes; 9-a cut-off groove; 10-rubber sealing ring; 11-a limiting shaft; 12-a limiting hole; 13-a limiting groove; 14-a pilot hole; 15-long groove; 16-a linkage plate; 17-a top shell; 18-a separator; 19-a central aperture; 20-overflow holes; 21-inner water inlet hole; 22-an annular valve ring; 23-external water inlet hole; 24-a rotary drive assembly;
101-a round tip; 102-supporting a bone shaft; 103-folding cover surface; 104-gas transmission nozzle;
1031-sector plate; 1032-hinge axis;
701-a push-pull driving assembly; 702-a leading bar; 703-a linkage ring; 704-diagonal brace rods; 705-support bar; 706-fulcrum shaft;
1702 — piston chamber; 1702-a drive cavity; 1703-Water pressure booster Chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the invention provides a simple collecting device for deep water hydrocarbon-containing gas, which comprises a gas collecting hood 1, a gas conveying pipe 2, a gas collecting device 3, a drying device 4 and a gas rapid detection device 5 which are connected in sequence, wherein a cable 6 for hoisting and lifting the gas collecting hood 1 is arranged on the gas collecting hood.
The gas collecting device 3, the drying device 4 and the gas quick detection device 5 are all arranged on a ship, a cable 6 is wound on an electric rope winder on the ship, after the space position of a gas collecting point in a water body is positioned, the gas collecting hood 1 connected with a gas conveying pipe 2 is placed into water, the gas collecting hood 1 is controlled by the electric rope winder to be released to the gas collecting point, after the gas collecting hood 1 is static, the gas collecting device 3 is started, hydrocarbon-containing gas in the gas collecting hood 1 and the gas conveying pipe 2 is extracted through the gas collecting device 3, the extracted hydrocarbon-containing gas containing moisture is conveyed to the drying device 4 for drying, and the dried hydrocarbon-containing gas is conveyed to the gas quick detection device 5 for on-line analysis of components and isotopes, so that the real-time detection of a sediment gas escape point at the bottom of the water body in a field is realized, and the defects that the working efficiency is low, the delay time is long and the like caused by the fact that the escaped gas in a lake can only be sampled and returned to a laboratory are solved.
In addition, in order to solve the disadvantages that the existing gas collecting hood 1 sinks and rises in a water body at a low speed and has large resistance and is easy to deviate from the position of a preset gas collecting point due to water flow disturbance when sinking, the invention also provides a gas collecting hood 1 to solve the defects of the existing gas collecting hood 1 in the gas collecting process, and the specific description of the gas collecting hood 1 is as follows:
the gas collecting hood 1 comprises a round end head 101, a supporting bone rod 102 and a folding cover surface 103, the top end of the round end head 101 is connected with a cable 6, and a gas transmission nozzle 104 with one end connected with a gas transmission pipe 2 is arranged on the round end head 101 in a penetrating way;
support bone pole 102 and be provided with a plurality ofly, the stiff end of a plurality of support bone poles 102 is all rotated and is installed the side at circular end 101, and a plurality of support bone poles 102 are circumference equal interval distribution around circular end 101, folding top facing 103 is installed on a plurality of support bone poles 102, and install the actuating mechanism 7 that opens and shuts of connecting a plurality of support bone poles 102 on the circular end 101, open and shut the promotion and the pulling that actuating mechanism 7 goes on a plurality of support bone poles 102, so that the corresponding each other of expansion end of a plurality of support bone poles 102 is kept away from and is close to each other, and make the corresponding expansion and the fold of folding top facing 103 on a plurality of support bone poles 102.
Before the gas collecting hood 1 enters water and after gas collection is finished, the opening and closing driving mechanism 7 drives the tail ends, far away from the circular end 101, of the plurality of supporting bone rods 102 to be close to each other, the plurality of supporting bone rods 102 drive the cover faces, located in all directions, of the folding cover faces 103 to be close to each other, so that the sectional areas of the gas collecting hood 1 in the horizontal direction and the vertical direction are reduced, the purpose of reducing the sinking and rising resistance of the gas collecting hood 1 in a water body is achieved, in addition, the sectional areas in the vertical direction are reduced, the contact area of the gas collecting hood 1 with water flow in the sinking process is reduced, namely, the stress area of the gas collecting hood 1 in the horizontal direction is reduced, and the negative influence of the water flow on the accuracy of the releasing position of the gas collecting hood 1 is reduced. And after the gas collecting channel 1 is released to the preset gas collecting point, the opening and closing driving mechanism 7 drives the tail ends of the plurality of supporting bone rods 102 to rotate upwards, so that the tail ends of the plurality of supporting bone rods 102 which are distributed in the circumferential direction are far away from each other, the folding mat covers 103 on the plurality of supporting bone rods 102 are unfolded to be approximately umbrella-shaped, so that the gas collected by the folding mat covers 103 is gathered towards the gas delivery nozzle 104 on the circular end 101 at the center of the top, and the gas collecting efficiency is improved.
Moreover, after the folding cover surface 103 of the gas collecting hood 1 is folded, the area of an opening at the bottom of the folding cover surface is greatly reduced, so that the probability that impurities in water enter the gas collecting hood 1 and block the gas transmission nozzle 104 in the process of sinking of the gas collecting hood 1 is greatly reduced, and the situation that the gas collecting hood 1 needs to be released again due to the blockage of the gas transmission nozzle 104 is reduced.
The folding cover surface 103 comprises a sector plate 1031 and a hinge shaft 1032, both sides of the sector plate 1031 are provided with a long hole 8 which runs through both ends of the sector plate 1031 and is used for connecting the hinge shaft 1032 and the supporting bone rods 102 in an inserting manner, both sides of the sector plate 1031 are provided with a plurality of cut-off grooves 9 which run through the long hole 8 at intervals, a hinge part with the length not larger than that of each cut-off groove 9 is formed between every two adjacent cut-off grooves 9, one side, close to each other, of each adjacent sector plate 1031 is connected and matched with the corresponding cut-off grooves 9 and the corresponding hinge parts in an inserting manner, and the adjacent sector plates 1031 are rotatably mounted on the same hinge shaft 1032 and the same supporting bone rods 102.
The shapes and the sizes of the fan-shaped plates 1031 are the same, when the opening and closing driving mechanism 7 drives the supporting bone rods 102 to approach each other, the adjacent supporting bone rods 102 preferentially drive the sides of the adjacent fan-shaped plates 1031 away from each other to gradually approach each other, after the sides of the adjacent fan-shaped plates 1031 away from each other approach or approach each other, the adjacent supporting bone rods 102 drive the fan-shaped plates 1031 on the two sides to further approach each other towards the axis of the round end 101, so that the two adjacent fan-shaped plates 1031 hinged through the hinge shaft 1032 form a stable structure similar to a triangle, so that the two fan-shaped plates 1031 connected through the hinge shaft 1032 are stably supported by the supporting bone rods 102 on the two sides after being folded, the adjacent fan-shaped plates 1031 are prevented from swinging after being folded, and the folding cover surface 103 forms a polyhedron structure similar to a plurality of arrow-like feathers after being folded.
When the above embodiment is further optimized, the rubber sealing rings 10 extending outward are disposed around the top of the connecting cable 6 of the circular end 101, and the gap between the inner circumference of the unfolded folded cover 103 and the outer circumference of the circular end 101 is sealed by the rubber sealing rings 10, so as to prevent the collected gas from overflowing from the gap between the sector plate 1031 and the circular end 101 after the folded cover 103 is unfolded, and when the folded cover 103 is folded, the gap between the sector plate 1031 and the circular end 101 not only prevents the sector plate 1031 from rubbing against the circular end 101, but also facilitates the water in the folded cover 103 to be discharged through a plurality of gaps at the top, thereby further facilitating the sinking of the folded cover 103.
The side surface of the round end head 101 is provided with a plurality of limiting shafts 11 which are in one-to-one correspondence with a plurality of hinge shafts 1032 and a plurality of supporting bone rods 102, the fixed ends of the hinge shafts 1032 and the supporting bone rods 102 are both provided with limiting holes 12, and the fixed ends of the hinge shafts 1032 and the supporting bone rods 102 are both rotatably arranged on the limiting shafts 11 through the limiting holes 12;
and a plurality of spacing grooves 13 have been seted up to the side of circular end 101, the both ends of spacing axle 11 are all installed on the 13 cell walls of spacing groove, the both sides of articulated shaft 1032 and the stiff end of supporting bone pole 102 all are the plane of laminating mutually with the cell wall of spacing groove 13, come to carry on spacingly to articulated shaft 1032 and the stiff end of supporting bone pole 102 through spacing axle 11 and spacing groove 13, prevent that articulated shaft 1032 and supporting bone pole 102 from taking place the swing in the both sides direction, improve the stability of gas collecting channel 1 structure.
The opening and closing driving mechanism 7 comprises a push-pull driving component 701, a guide rod 702 and a linkage ring 703 which are sequentially connected, a plurality of guide holes 14 are formed in the circular end head 101 in a penetrating manner, the guide rods 702 with one ends connected with the push-pull driving component 701 are installed in the guide holes 14 in a sliding manner, the other ends of the guide rods 702 are connected through the linkage ring 703, the push-pull driving component 701 is installed at the top of the circular end head 101, a plurality of inclined supporting rods 704 which are in one-to-one correspondence with the supporting bone rods 102 are installed on the linkage ring 703 in a rotating manner, a plurality of supporting rods 705 which are in one-to-one correspondence with the inclined supporting rods 704 are installed at the bottom of the circular end head 101 relative to the push-pull driving component 701, and fulcrum shafts 706 are installed at one ends of the supporting rods 705 relative to the circular end head 101;
one end of the diagonal brace 704 is rotatably mounted on the linkage ring 703, a long groove 15 matched with the fulcrum shaft 706 is formed in the diagonal brace 704 along the length direction, the diagonal brace 704 is in relative sliding and rotating fit with the fulcrum shaft 706 through the long groove 15, and the other end of the diagonal brace 704, which is opposite to the linkage ring 703, is rotatably connected with one side of the sector plate 1031 mounted on the supporting bone rod 102.
The push-pull driving assembly 701 is a driving component with a reciprocating driving function, such as an air cylinder, an electric push rod and the like, a plurality of guide rods distributed at intervals in the circumferential direction are beneficial to uniform stress of the linkage ring 703, when the folding cover surface 103 is in a closed state, the push-pull driving assembly 701 pushes the annular linkage ring 703 through a plurality of guide rods 702, so that the front ends of a plurality of diagonal braces 704 installed on the linkage ring 703 move downwards far away from the circular end 101, due to the inclined arrangement of the diagonal braces 704, when the front ends of the diagonal braces 704 move downwards, the front ends of the diagonal braces 704 move downwards with a fulcrum shaft 706 on a support rod 705 as a fulcrum, simultaneously, the whole diagonal braces 704 move outwards in a direction perpendicular to the axis of the circular end 101 in a transverse direction, and the fulcrum shaft 706 slides in the long groove 15 relatively to adapt to transverse displacement of the diagonal braces 704, so that the diagonal braces 704 push the sector plate 1031 and the support bone rods 102 to rotate outwards to realize unfolding of the folding cover surface 103, and otherwise, the folding cover surface 103 is closed.
The inclined strut 704 and the sector plate 1031 are rotatably connected to one side of the supporting bone rod 102 in a manner that the end of the inclined strut 704 and one side of the sector plate 1031 are provided with circular rings, and the circular rings are sleeved with each other, so that the movable connection between the inclined strut 704 and the sector plate 1031 is realized.
The push-pull driving assembly 701 is connected with a plurality of guide rods 702 through a linkage plate 16, the top of the round end head 101 opposite to the steel wire mesh is provided with a top shell 17, the cable 6 is connected with the round end head 101 through the top shell 17, the push-pull driving assembly 701 is fixedly arranged in the top shell 17, the linkage plate 16 is positioned in the top shell 17, and the side wall of the linkage plate 16 is in sliding fit with the inner wall of the top shell 17.
The plurality of guide rods 702 are connected with the movable part of the push-pull driving assembly 701 through the linkage plate 16, and the guide rods 702 guided by the guide holes 14 are further guided through the linkage plate 16 slidably installed in the top case 17, so that the guide rods 702 are prevented from being jammed in the guide holes 14 due to the deflection of the direction of the force applied to the guide rods 702.
In the above embodiment, it is further optimized that a pair of partition plates 18 are arranged in the top shell 17 at intervals, the top shell 17 is divided into a piston cavity 1701 provided with a linkage plate 16, a driving cavity 1702 provided with a push-pull driving assembly 701 and a water pressure boosting cavity 1703 located between the pair of partition plates 18 through the pair of partition plates 18, a piston is slidably arranged in the piston cavity 1701, the piston is connected with the plurality of guide rods 702 through the linkage plate 16, and the pair of partition plates 18 are both provided with a central hole 19 for the push-pull driving assembly 701 to be connected with the piston in a penetrating manner;
the partition plate 18 between the water pressure assisting cavity 1703 and the piston cavity 1701 is provided with a plurality of overflow holes 20 at equal intervals in a penetrating manner, the outer wall of the top shell 17 is provided with inner water inlet holes 21 penetrating into the water pressure assisting cavity 1703 at equal intervals, the top shell 17 is externally rotatably provided with an annular valve ring 22 used for controlling the inner water inlet holes 21 to be closed and opened, the annular valve ring 22 is provided with outer water inlet holes 23 penetrating through the inner side and the outer side of the annular valve ring 22, the space width of the adjacent outer water inlet holes 23 is not smaller than the width of the inner water inlet holes 21, and the outer wall of the top shell 17 is provided with a rotary driving assembly 24 used for driving the annular valve ring 22 to rotate.
When the gas collecting hood 1 is placed at a gas collecting point, the rotary driving assembly 24 drives the annular valve ring 22 to rotate, so that the outer water inlet holes 23 on the annular valve ring 22 are overlapped with the inner water inlet holes 21 on the top shell 17, water enters the water pressure assisting cavity 1703, water in the water pressure assisting cavity 1703 enters the piston cavity 1701 through the plurality of overflow holes 20, the piston is pushed under the action of water pressure or has the tendency of pushing the plurality of guide rods 702 through the linkage plate 16, and therefore energy consumption of the push-pull driving assembly 701 for driving the folding cover surface 103 to unfold is reduced, and even under the condition of sufficient water pressure, the folding cover surface 103 can be driven to unfold in water by the water pressure without the push-pull driving assembly 701.
The rotary drive assembly 24 is a drive member sealed in the top case 17, powered by a servo motor, a stepping motor, etc., and drivingly connected to the annular valve ring 22 by a transmission member such as a ring gear, a gear, etc. The annular valve ring 22 is an annular steel ring, mechanical sealing is performed between the annular valve ring 22 and the outer wall of the top shell 17, and preferably, an annular groove for axially limiting the annular valve ring 22 is formed in the outer wall of the top shell 17, so that the annular valve ring 22 is prevented from axially moving to lose the sealing effect on the inner water inlet hole 21, and the sealing between the annular valve ring 22 and the top shell 17 is facilitated.
The invention also provides a rapid detection method of the simple collection device for the deep water hydrocarbon-containing gas, which comprises the following steps:
s100, surveying a water area to be measured and determining a gas collecting point comprising a throwing position and a throwing depth for throwing a gas collecting hood;
s200, releasing the gas collecting hood connected with the gas conveying pipe to a gas collecting point through a release cable;
s300, after the gas collecting hood is static at a gas collecting point, starting a gas collecting device connected with a gas pipe to extract the hydrocarbon-containing gas collected by the gas collecting hood and input the hydrocarbon-containing gas into a drying device for drying treatment;
s400, conveying the dried hydrocarbon-containing gas to a gas rapid detection device by a drying device for online analysis of components and isotopes;
s500, after the components and the identity of the hydrocarbon-containing gas are analyzed on line by the gas rapid detection device, the gas collecting hood is pulled out of the water through a cable.
And before the gas-collecting hood is put into water and pulled out of the water, the folding mat surface of the gas-collecting hood is folded, and when the gas-collecting hood reaches a gas collecting point, the folding mat surface of the gas-collecting hood is unfolded.
The invention also provides a rapid detection method of the simple collection device for the deep water hydrocarbon-containing gas, which is characterized by comprising the following steps:
s100, surveying a water area to be measured and determining a gas collecting point comprising a throwing position and a throwing depth for throwing a gas collecting hood;
s200, releasing the gas collecting hood connected with the gas conveying pipe to a gas collecting point through a release cable;
s300, after the gas collecting hood is static at a gas collecting point, starting a gas collecting device connected with a gas conveying pipe to extract the hydrocarbon-containing gas collected by the gas collecting hood and input the hydrocarbon-containing gas into a drying device for drying;
s400, conveying the dried hydrocarbon-containing gas to a gas rapid detection device by a drying device for online analysis of components and isotopes;
s500, after the components and the identity of the hydrocarbon-containing gas are analyzed on line by the gas rapid detection device, the gas collecting hood is pulled out of the water through a cable.
As a preferred aspect of the present invention, the folding mat of the gas collecting hood is folded before the gas collecting hood is put into water and before the gas collecting hood is pulled out of water, and the folding mat of the gas collecting hood is unfolded when the gas collecting hood reaches the gas collecting point.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (7)
1. The simple collecting device for the deep water hydrocarbon-containing gas is characterized by comprising a gas collecting hood (1), a gas conveying pipe (2), a gas collecting device (3), a drying device (4) and a gas rapid detection device (5) which are sequentially connected, wherein a cable (6) for hoisting and lifting the gas collecting hood (1) is installed on the gas collecting hood;
the gas-collecting hood (1) is released to a set depth and a set collection position in a water body through the mooring rope (6), the gas-collecting device (3) conveys the hydrocarbon-containing gas collected by the gas-collecting hood (1) to the drying device (4) device for drying sequentially through the gas conveying pipe (2) and the gas-collecting device (3), and the hydrocarbon-containing gas dried by the drying device (4) is conveyed to the gas rapid detection device (5) for on-line analysis of components and isotopes;
the gas collecting hood (1) comprises a round end (101), a supporting bone rod (102) and a folding cover surface (103), the top end of the round end (101) is connected with the cable (6), and a gas delivery nozzle (104) with one end connected with the gas delivery pipe (2) is installed on the round end (101) in a penetrating mode;
the supporting bone rods (102) are multiple, the fixed ends of the supporting bone rods (102) are rotatably mounted on the side face of the circular end head (101), the supporting bone rods (102) are distributed around the circular end head (101) at equal intervals in the circumferential direction, the folding cover surfaces (103) are mounted on the supporting bone rods (102), and the circular end head (101) is provided with an opening and closing driving mechanism (7) connected with the supporting bone rods (102);
the opening and closing driving mechanism (7) pushes and pulls the plurality of supporting bone rods (102) so as to enable the movable ends of the plurality of supporting bone rods (102) to correspondingly move away from and close to each other and enable the folding cover surfaces (103) on the plurality of supporting bone rods (102) to correspondingly unfold and fold;
the folding cover surface (103) comprises a fan-shaped plate (1031) and a hinge shaft (1032), wherein two sides of the fan-shaped plate (1031) are provided with long holes (8) which penetrate through two ends of the fan-shaped plate (1031) and are used for inserting the hinge shaft (1032) and the support bone rod (102), the two sides of the fan-shaped plate (1031) are provided with a plurality of cut-off grooves (9) which penetrate through the long holes (8) at intervals, a hinge part with the length not larger than that of each cut-off groove (9) is formed between every two adjacent cut-off grooves (9), one side, close to the adjacent fan-shaped plate (1031), of each adjacent fan-shaped plate (1031) is inserted and matched through the corresponding cut-off grooves (9) and the corresponding hinge parts, and is rotatably installed on the same hinge shaft (1032) and the same support bone rod (102);
a plurality of limiting shafts (11) which are in one-to-one correspondence with the hinging shafts (1032) and the supporting bone rods (102) are mounted on the side face of the round end head (101), limiting holes (12) are formed in the hinging shafts (1032) and the fixing ends of the supporting bone rods (102), and the hinging shafts (1032) and the fixing ends of the supporting bone rods (102) are rotatably mounted on the limiting shafts (11) through the limiting holes (12);
and a plurality of spacing grooves (13) have been seted up to the side of circular end (101), the both ends of spacing axle (11) are all installed on spacing groove (13) cell wall, articulated shaft (1032) with the both sides of the stiff end of support bone pole (102) all are with the plane of laminating mutually of the cell wall of spacing groove (13).
2. The simple collection device for deep water hydrocarbon-containing gas according to claim 1, characterized in that the periphery of the top of the round end (101) connected with the cable (6) is provided with a rubber sealing ring (10) extending outwards, and the gap between the inner periphery of the unfolded folding cover surface (103) and the outer periphery of the round end (101) is closed by the rubber sealing ring (10).
3. The simple collection device for deep water hydrocarbon-containing gas according to claim 1, wherein the opening and closing driving mechanism (7) comprises a push-pull driving assembly (701), a guide rod (702) and a linkage ring (703) which are connected in sequence, a plurality of guide holes (14) are formed in the circular end head (101) in a penetrating manner, the guide rod (702) with one end connected with the push-pull driving assembly (701) is slidably mounted in each guide hole (14), the other ends of the guide rods (702) are connected through the linkage ring (703), the push-pull driving assembly (701) is mounted at the top of the circular end head (101), a plurality of inclined supporting rods (704) corresponding to the supporting bone rods (102) are rotatably mounted on the linkage ring (703), a plurality of supporting rods (705) corresponding to the inclined supporting rods (704) are mounted at the bottom of the circular end head (101) opposite to the push-pull driving assembly (701), and a fulcrum shaft (706) is mounted at one end of the supporting rods (705) opposite to the circular end head (101);
one end of the inclined strut (704) is rotatably mounted on the linkage ring (703), a long groove (15) matched with the fulcrum shaft (706) is formed in the inclined strut (704) along the length direction, the inclined strut (704) slides relative to the fulcrum shaft (706) through the long groove (15) and is rotatably matched with the fulcrum shaft, and the other end, opposite to the linkage ring (703), of the inclined strut (704) is rotatably connected with one side of the sector plate (1031) mounted on the supporting bone rod (102).
4. The simple collection device for deep water hydrocarbon-containing gas according to claim 3, characterized in that the push-pull driving assembly (701) is connected with the plurality of guide rods (702) through a linkage plate (16), the top of the round end head (101) opposite to the steel wire mesh is provided with a top shell (17), the cable (6) is connected with the round end head (101) through the top shell (17), the push-pull driving assembly (701) is fixedly installed in the top shell (17), the linkage plate (16) is located in the top shell (17), and the side wall of the linkage plate (16) is in sliding fit with the inner wall of the top shell (17).
5. The simple collecting device for the deep water hydrocarbon-containing gas is characterized in that a pair of partition plates (18) are arranged at intervals in the top shell (17), a piston cavity (1701) provided with the linkage plate (16), a driving cavity (1702) provided with the push-pull driving assembly (701) and a hydraulic boosting cavity (1703) positioned between the pair of partition plates (18) are separated in the top shell (17) through the pair of partition plates (18), a piston is slidably arranged in the piston cavity (1701), the piston is connected with the plurality of guide rods (702) through the linkage plate (16), and a central hole (19) for connecting the push-pull driving assembly (701) with the piston is formed in each pair of partition plates (18) in a penetrating manner;
the hydraulic pressure helping hand chamber (1703) with between the piston chamber (1701) run through on baffle (18) and set up a plurality of spillway holes (20) that the interval set up equally, and the interval is seted up equally on the outer wall of top shell (17) and is run through to interior inlet opening (21) in the hydraulic pressure helping hand chamber (1703), top shell (17) outer rotatory installation has and is used for controlling interior inlet opening (21) seal and open annular valve circle (22), outer inlet opening (23) that run through its inboard and outside are seted up to annular valve circle (22), and adjacent the interval width of outer inlet opening (23) is not less than the width of interior inlet opening (21), install on the outer wall of top shell (17) and be used for driving rotatory rotation driving subassembly (24) of annular valve circle (22).
6. A rapid detection method for the simple collection device of deep water hydrocarbon-containing gas of any one of claims 1 to 5, which comprises the following steps:
s100, surveying a water area to be measured and determining a gas collecting point comprising a throwing position and a throwing depth for throwing a gas collecting hood;
s200, releasing the gas collecting hood connected with the gas conveying pipe to a gas collecting point through a release cable;
s300, after the gas collecting hood is static at a gas collecting point, starting a gas collecting device connected with the gas conveying pipe to extract the hydrocarbon-containing gas collected by the gas collecting hood and input the hydrocarbon-containing gas into a drying device for drying treatment;
s400, the drying device conveys the dried hydrocarbon-containing gas to a gas rapid detection device for on-line analysis of components and isotopes;
s500, after the gas rapid detection device completes online analysis of the components and isotopes of the hydrocarbon-containing gas, the gas collecting hood is pulled out of the water through a cable.
7. The method as claimed in claim 6, wherein the folding cover of the gas-collecting hood is folded before the gas-collecting hood is put into the water and pulled out of the water, and the folding cover of the gas-collecting hood is unfolded when the gas-collecting hood reaches the gas collecting point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543993.7A CN113176119B (en) | 2021-05-19 | 2021-05-19 | Simple collecting device and rapid detection method for deepwater hydrocarbon-containing gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543993.7A CN113176119B (en) | 2021-05-19 | 2021-05-19 | Simple collecting device and rapid detection method for deepwater hydrocarbon-containing gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113176119A CN113176119A (en) | 2021-07-27 |
| CN113176119B true CN113176119B (en) | 2023-01-17 |
Family
ID=76929332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110543993.7A Active CN113176119B (en) | 2021-05-19 | 2021-05-19 | Simple collecting device and rapid detection method for deepwater hydrocarbon-containing gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113176119B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280055A (en) * | 2000-03-31 | 2001-10-10 | Minoru Kamiya | Methane hydrate collecting device |
| CN105822267A (en) * | 2016-03-31 | 2016-08-03 | 杨溢 | Method and device for exploiting deep-sea natural gas hydrate |
| CN109443894A (en) * | 2018-12-29 | 2019-03-08 | 中国地质调查局油气资源调查中心 | A kind of water air interface methane and carbon dioxide on-line monitoring system and method |
| CN110631870A (en) * | 2018-06-21 | 2019-12-31 | 中国石油化工股份有限公司 | Gas taking device and gas taking method suitable for seabed free gas |
| CN112033766A (en) * | 2020-09-04 | 2020-12-04 | 中国科学院武汉岩土力学研究所 | In-situ sampling device and method for foaming gas in superficial sediment |
-
2021
- 2021-05-19 CN CN202110543993.7A patent/CN113176119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001280055A (en) * | 2000-03-31 | 2001-10-10 | Minoru Kamiya | Methane hydrate collecting device |
| CN105822267A (en) * | 2016-03-31 | 2016-08-03 | 杨溢 | Method and device for exploiting deep-sea natural gas hydrate |
| CN110631870A (en) * | 2018-06-21 | 2019-12-31 | 中国石油化工股份有限公司 | Gas taking device and gas taking method suitable for seabed free gas |
| CN109443894A (en) * | 2018-12-29 | 2019-03-08 | 中国地质调查局油气资源调查中心 | A kind of water air interface methane and carbon dioxide on-line monitoring system and method |
| CN112033766A (en) * | 2020-09-04 | 2020-12-04 | 中国科学院武汉岩土力学研究所 | In-situ sampling device and method for foaming gas in superficial sediment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113176119A (en) | 2021-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111337303B (en) | Sludge in-situ sampling method | |
| CN209014345U (en) | A kind of water quality detection time sharing sampling device | |
| CN113176119B (en) | Simple collecting device and rapid detection method for deepwater hydrocarbon-containing gas | |
| CN112028300A (en) | Sewage treatment's sediment and floater processing collection device | |
| CN207324277U (en) | A kind of high building sewage-treatment plant of degree of purification | |
| CN111387152A (en) | Water layer-changing plankton collection device | |
| CN206143837U (en) | Closed mud clearing boat | |
| CN201269823Y (en) | Water sample collector | |
| CN104895186B (en) | Dredging treatment device for sewer well | |
| CN209166895U (en) | A kind of deep-sea box corer | |
| CN216847774U (en) | Reservoir water environment simulation device | |
| CN214584293U (en) | Continuous collection multi-water-level sample collector | |
| CN216460670U (en) | Cleaning device for emulsion explosive conveying hopper | |
| CN111569477B (en) | Bury formula silt for sewage treatment machine and assemble hoisting device | |
| CN211014190U (en) | Protection system aging test device for simulating actual environment of hydraulic structure | |
| CN113865934A (en) | A water intaking ware for environmental monitoring unmanned aerial vehicle | |
| CN110106074B (en) | On-site sewage sampling device and sampling method | |
| CN112761520B (en) | Hydrogeology reconnaissance water source sampling test device | |
| CN215262604U (en) | Deepwater sediment sampling device | |
| CN114460252B (en) | Reservoir water environment simulation device and method | |
| CN220104581U (en) | Sampler | |
| CN215953108U (en) | Sampling device for water quality detection | |
| CN220888472U (en) | Drainage device for waterproof engineering construction | |
| CN109752217A (en) | Volatile organic matter sampling apparatus in a kind of water | |
| CN216386369U (en) | A silt sampler for sandy beach exploration usefulness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |