CN106770976B - Automatic detection device for remotely unattended liquid level volatile gas and use method thereof - Google Patents
Automatic detection device for remotely unattended liquid level volatile gas and use method thereof Download PDFInfo
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- CN106770976B CN106770976B CN201710047204.4A CN201710047204A CN106770976B CN 106770976 B CN106770976 B CN 106770976B CN 201710047204 A CN201710047204 A CN 201710047204A CN 106770976 B CN106770976 B CN 106770976B
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011229 interlayer Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 239000000284 extract Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
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- 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
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- 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
- G01N2001/2244—Exhaled gas, e.g. alcohol detecting
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Abstract
The invention discloses a remote unattended liquid level volatile gas automatic detection device which comprises a floating plate and a gas collection chamber, wherein a sliding door is arranged in the gas collection chamber, a traction device is arranged at the upper part of the gas collection chamber, the traction device comprises a first gear, a second gear and a transmission belt, an electric cylinder is connected on the transmission belt, a fixing hole is arranged on the floating plate, the fixing hole vertically penetrates through the floating plate, the remote unattended liquid level volatile gas automatic detection device comprises an anchor rod, the anchor rod can penetrate through the fixing hole and the lower end of the anchor rod is inserted into a river bottom to be fixed, a limiting part is fixed at the upper end of the anchor rod, the outer diameter of the limiting part is larger than the fixing hole, so that the floating plate cannot be separated from the anchor rod, a power supply and a central control chip are fixed on the floating plate or the gas collection chamber, the central control chip is connected with the electric cylinder and controls the operation of the electric cylinder, and the power supply is connected with the electric cylinder and the central control chip and supplies power for the electric cylinder. The invention has the advantages of positioning in the detected water body and accurate detection.
Description
Technical Field
The invention belongs to the technical field of gas sampling devices, and particularly relates to a remote unattended liquid level volatile gas automatic detection device and a use method thereof.
Background
The current in-situ sampling method for the volatile gas in sewage is mainly a closed air chamber method. The unit area of a certain closed container is covered on the water surface of the sewage to be detected, so that the water surface is kept sealed, and the volatilization amount of the detected gas on the sewage surface in the closed container is measured in unit time. The existing sampling device with the closed air chamber structure needs to be used for detecting the liquid level in the middle of a large-scale water body, for example, when the volatilization amount of detected gas at the center of a lake is detected, a detector needs to take a ship to the center of the lake, then the closed air chamber is placed on the water surface, and when the detection is finished, the detector is taken by the ship to go to the center of the lake and is recovered. The structure of the closed air chamber has obvious defects that firstly, the closed air chamber can only detect on a calm lake surface, once the calm lake surface encounters a storm, the closed air chamber can be blown away to cause detection failure, and secondly, when the closed air chamber is just put on the lake surface, the gas in the closed air chamber and the gas composition on the lake surface are different, and the original gas in the closed air chamber can influence the detection accuracy.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the remote unattended liquid level volatile gas automatic detection device which can be positioned in the detected water body and is accurate in detection and the use method thereof.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the utility model provides a gaseous automatic checkout device of long-range unmanned on duty liquid level volatilizees, includes kickboard and lower part open-ended gas collection room, is provided with the logical chamber that link up from top to bottom on the kickboard, and gas collection room lower part inserts in leading to the chamber with the kickboard seal fixed, when the kickboard was placed on the surface of water, gas collection room lower limb submergence made the lower part opening of gas collection room closed by the water completely in the aquatic, and gas pumping hole and barometric pressure balance hole have been seted up on gas collection room upper portion, wherein: the left and right sides of the gas collection chamber are respectively provided with a sliding door which is in sealing fit with the gas collection chamber, the upper end of the sliding door is hinged with the upper end of the gas collection chamber, the lower end of the sliding door is a movable end, the upper part of the gas collection chamber is provided with a traction device, the traction device comprises a first gear, a second gear and a transmission belt, the transmission belt is wound on the first gear and the second gear in an 8 shape, the transmission belt is connected with an electric cylinder, the electric cylinder comprises a cylinder seat and an electric rod, the electric rod passes through the cylinder seat, two ends of the electric rod are connected with the transmission belt, the electric cylinder can push the electric rod to move in the cylinder seat, the first gear, the second gear and the cylinder seat are respectively fixed on the upper part of the gas collection chamber, a traction wire is respectively wound on a wheel shaft of the first gear and the second gear, the traction wire is respectively fixedly connected with the corresponding sliding door, when the first gear and the second gear rotate, the traction wire can lead the sliding door, the movable door rotates relative to the gas collection chamber, so that the gas collection chamber is internally and externally transparent, the upper part of the gas collection chamber is provided with a bracket which consists of supporting legs and an interlayer, the interlayer is of a cuboid structure with front and back openings and upper, lower, left and right closed, the interlayer is fixed on the upper part of the gas collection chamber through the supporting legs, a gas component detector is arranged in the interlayer and is connected with an air suction hole through an air suction pipe, a plurality of fixing holes are arranged on a floating plate positioned in front of and/or behind the gas collection chamber, the fixing holes vertically penetrate through the floating plate, the remote unattended liquid level volatile gas automatic detection device comprises an anchor rod, the anchor rod can penetrate through the fixing holes and the lower end of the anchor rod is inserted into a river bottom to be fixed, the upper end of the anchor rod is fixedly provided with a limiting part, the outer diameter of the limiting part is larger than the fixing holes, the floating plate can not deviate from the anchor rod, and a power supply and a central control chip are fixedly arranged on the floating plate or the gas collection chamber, the central control chip is connected with the electric cylinder and controls the operation of the electric cylinder, and the power supply is connected with the electric cylinder and the central control chip and supplies power to the electric cylinder and the central control chip.
In order to optimize the technical scheme, the specific measures adopted further comprise:
the upper part of the gas collection chamber is fixedly provided with a gear seat, the first gear and the second gear are respectively fixed in the corresponding gear seats, and the first gear and the second gear can rotate in the gear seats.
The air pressure balancing hole is used for communicating the air collection chamber with the outside air, so that the air pressure in the air collection chamber is balanced with the outside air pressure when the exhaust pipe is used for exhausting air.
The lower part of the gas collection chamber is provided with a plurality of fixing plates, the lower part of the floating plate is provided with a fixing groove matched with the fixing plates, and the lower end of the gas collection chamber is inserted into the lower part of the through cavity, so that the fixing plates are fixed in the fixing groove.
The gas collection chamber is made of transparent materials.
The anchor rod is a hollow metal rod, threads are arranged at the upper end of the anchor rod, the limiting piece is a nut, and the limiting piece is screwed on the threads to fix the anchor rod.
The floating plates in front of and behind the gas collection chamber are respectively provided with a fixing hole, and accordingly, the number of the anchor rods is two.
The application method of the remote unattended liquid level volatile gas automatic detection device comprises the following steps:
firstly, inserting a gas collection chamber into a through cavity of a floating plate, fixing a fixed plate in a fixed groove, enabling the gas collection chamber to be connected with the floating plate in a sealing mode, inserting one end of an exhaust pipe into an exhaust hole, and connecting the other end of the exhaust pipe with a gas component detector;
step two, conveying the remote unattended liquid level volatile gas automatic detection device into a detected water body, placing the remote unattended liquid level volatile gas automatic detection device on the water surface to float, enabling the anchor rod to pass through the fixing hole until the lower end of the anchor rod is inserted into the river bottom to be fixed, and sealing the upper end of the anchor rod by using a limiting piece to prevent the floating plate from falling off the anchor rod;
step three, the central control chip controls the electric cylinder to operate, the electric cylinder drives the first gear and the second gear to rotate, the two sliding doors are opened together, the gas collection chamber is made into a left-right transparent structure, the gas in the gas collection chamber and the lake surface gas are fused into a whole, after one end of time, the central control chip controls the electric cylinder to reversely operate, and the two sliding doors are closed;
step four, the gas component detector extracts gas in the gas collection chamber to detect, and after detection, the gas component detector stores data;
and step six, repeating the step three and the step four for a plurality of times after the detection is completed, and obtaining array data.
And seventhly, recovering the remote unattended liquid level volatile gas automatic detection device.
The invention relates to a remote unattended liquid level volatile gas automatic detection device which mainly comprises two structures of a floating plate and a gas collection chamber, wherein the density of the floating plate is smaller than that of water, so that the gas detection device can float on the water surface, the gas collection chamber is a cover body with an opening at the lower part, when the device floats on the water surface, the opening at the lower part of the gas collection chamber is immersed in water, and the covered water surface volatile gas is conveyed into the gas collection chamber, so that the volatile gas is detected by a detector. Compared with the prior art, the invention has the following advantages:
1. the device is provided with the anchor rod, the lower end of the anchor rod is inserted into the river bottom to be fixed, so that the device can stop at a detected water body, can resist larger stormy waves, and ensures that detection can be normally carried out.
2. Before detection, the sliding door can be opened to enable the gas in the gas collection chamber to be fully mixed with the lake surface gas, and then the sliding door is closed, so that the components of the gas in the gas collection chamber are consistent with those of the lake surface gas, the detection error is reduced, and the precision is improved.
3. The support is installed on gas acquisition room upper portion, and the support has the intermediate layer, lays gas composition detector in the intermediate layer, and gas composition detector direct mount is on gas acquisition room, and data is collected in real time, when waiting to retrieve the device on the bank, download data from gas composition detector again, need not the people and guard on the bank, reduces the manpower consumption, simultaneously because there is the intermediate layer existence, gas composition detector can not be drenched by the rain, can protect gas composition detector betterly.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of an anchor rod inserted into a floating plate;
FIG. 3 is a top view of FIG. 1 with the bracket removed;
FIG. 4 is a side cross-sectional view of FIG. 1;
FIG. 5 is a schematic view of the sliding door when open;
fig. 6 is a bottom view of the present invention.
Wherein the reference numerals are as follows: the device comprises a floating plate 1, a through cavity 11, a fixed hole 12, a gas collection chamber 2, a gas pumping hole 21, a gas pressure balance hole 22, a sliding door 23, a gear seat 24, a fixed plate 25, a traction device 3, a first gear 31, a second gear 32, a transmission belt 33, an electric cylinder 34, a cylinder seat 34a, an electric rod 34b, a traction wire 35, a support 4, a support leg 41, an interlayer 42, a gas component detector 43, a gas pumping pipe 44, an anchor rod 5, a limiting piece 51 and a power supply 6.
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
the invention discloses a remote unattended liquid level volatile gas automatic detection device, which comprises a floating plate 1 and a gas collection chamber 2 with an opening at the lower part, wherein a through cavity 11 which is vertically communicated is arranged on the floating plate 1, the lower part of the gas collection chamber 2 is inserted into the through cavity 11 to be fixed with the floating plate 1 in a sealing way, when the floating plate 1 is placed on a water surface, the lower edge of the gas collection chamber 2 is completely immersed in water, so that the opening at the lower part of the gas collection chamber 2 is closed by a water body, and the upper part of the gas collection chamber 2 is provided with a suction hole 21 and a gas pressure balance hole 22, and is characterized in that: the left and right sides of the gas collection chamber 2 are respectively provided with a sliding door 23 which is in sealing fit with the gas collection chamber 2, the upper end of the sliding door 23 is hinged with the upper end of the gas collection chamber 2, the lower end of the sliding door 23 is a movable end, the upper part of the gas collection chamber 2 is provided with a traction device 3, the traction device 3 comprises a first gear 31, a second gear 32 and a driving belt 33, the driving belt 33 is wound on the first gear 31 and the second gear 32 in a 8 shape, the driving belt 33 is connected with an electric cylinder 34, the electric cylinder 34 comprises a cylinder seat 34a and an electric rod 34b, the electric rod 34b passes through the cylinder seat 34a, the two ends of the electric rod 34b are connected with the driving belt 33, the electric cylinder 34 can push the electric rod 34b to move in the cylinder seat 34a, the first gear 31, the second gear 32 and the cylinder seat 34a are respectively fixed on the upper part of the gas collection chamber 2, a traction line 35 is respectively wound on the wheel shafts of the first gear 31 and the second gear 32, the traction wires 35 are respectively and fixedly connected with the corresponding sliding doors 23, when the first gear 31 and the second gear 32 rotate, the traction wires 35 can draw the sliding doors 23 to enable the sliding doors 23 to rotate relative to the gas collection chamber 2, so that the gas collection chamber 2 is transparent inside and outside, a bracket 4 is arranged at the upper part of the gas collection chamber 2, the bracket 4 consists of a supporting leg 41 and an interlayer 42, the interlayer 42 is of a cuboid structure with front and back openings and closed up and down and left and right, the interlayer 42 is fixed at the upper part of the gas collection chamber 2 through the supporting leg 41, a gas component detector 43 is arranged in the interlayer 42, the gas component detector 43 is connected with the air suction holes 21 through an air suction pipe 44, a plurality of fixing holes 12 are arranged on the floating plate 1 positioned in front of and/or behind the gas collection chamber 2, the fixing holes 12 vertically penetrate through the floating plate 1, the remote unattended liquid level volatile gas automatic detection device comprises an anchor rod 5, the stock 5 can pass fixed orifices 12 and the lower extreme of stock 5 inserts the river bed fixedly, and stock 5 upper end is fixed with locating part 51, and the external diameter of locating part 51 is greater than fixed orifices 12 for floating plate 1 can't deviate from stock 5, is fixed with power 6 and well accuse chip on floating plate 1 or the gas collection room 2, well accuse chip is connected with electronic jar 34 and controls the operation of electronic jar 34, and power 6 is connected with electronic jar 34 and well accuse chip and is supplied power for it.
The upper part of the gas collection chamber 2 is fixed with a gear seat 24, a first gear 31 and a second gear 32 are respectively fixed in the corresponding gear seat 24, and the first gear 31 and the second gear 32 can rotate in the gear seat 24.
The air pressure balance hole 22 communicates the air collection chamber 2 with the outside air, so that the air pressure in the air collection chamber 2 is balanced with the outside air pressure when the air suction pipe 44 is used for sucking air.
The lower part of the gas collection chamber 2 is provided with a plurality of fixing plates 25, the lower part of the floating plate 1 is provided with a fixing groove matched with the fixing plates 25, and the lower end of the gas collection chamber 2 is inserted into the lower part of the through cavity 11, so that the fixing plates 23 are fixed in the fixing groove.
The gas collection chamber 2 is made of transparent material.
The stock 5 is hollow metal pole, and stock 5 upper end is provided with the screw thread, and locating part 51 is the nut, and locating part 51 spiral shell realizes the fixed with stock 5 on the screw thread.
The floating plates 1 in front of and behind the gas collection chamber 2 are respectively provided with a fixed hole 12, and correspondingly, the number of the anchor rods 5 is two.
The application method of the remote unattended liquid level volatile gas automatic detection device comprises the following steps:
firstly, inserting a gas collection chamber 2 into a through cavity 11 of a floating plate 1, fixing a fixed plate 23 in a fixed groove 12, enabling the gas collection chamber 2 to be in sealing connection with the floating plate 1, inserting one end of an exhaust tube 3 into an exhaust hole 21, and connecting the other end of the exhaust tube 3 with a gas component detector 43;
step two, transporting the remote unattended liquid level volatile gas automatic detection device into a detected water body, then placing the remote unattended liquid level volatile gas automatic detection device on the water surface to float, enabling the anchor rod 5 to pass through the fixed hole 12 until the lower end of the anchor rod 5 is inserted into a river bottom to be fixed, and then sealing the upper end of the anchor rod 5 by the limiting piece 51 to prevent the floating plate 1 from falling out of the anchor rod 5;
step three, the central control chip controls the electric cylinder 34 to operate, the electric cylinder 34 drives the first gear 31 and the second gear 32 to rotate, the two sliding doors 23 are opened together, the gas collecting chamber 2 is made into a left-right transparent structure, the gas in the gas collecting chamber 2 and the lake surface gas are fused into a whole, after a certain period of time, the central control chip controls the electric cylinder 34 to reversely operate, and the two sliding doors are closed;
step four, the gas component detector 43 extracts the gas in the gas collection chamber 2 for detection, and after the detection is completed, the gas component detector 43 stores data;
and step six, repeating the step three and the step four for a plurality of times after the detection is completed, and obtaining array data.
And seventhly, recovering the remote unattended liquid level volatile gas automatic detection device.
The central control chip of the invention is mounted together with the power supply 6 and is therefore not marked in the figures.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the invention without departing from the principles thereof are intended to be within the scope of the invention as set forth in the following claims.
Claims (1)
1. The use method of the remote unattended liquid level volatile gas automatic detection device is characterized in that the remote unattended liquid level volatile gas automatic detection device is used, the remote unattended liquid level volatile gas automatic detection device comprises a floating plate (1) and a gas collection chamber (2) with an opening at the lower part, a through cavity (11) penetrating up and down is arranged on the floating plate (1), the lower part of the gas collection chamber (2) is inserted into the through cavity (11) to be fixed with the floating plate (1) in a sealing manner, when the floating plate (1) is placed on a water surface, the lower edge of the gas collection chamber (2) is completely immersed in the water to enable the opening at the lower part of the gas collection chamber (2) to be closed by a water body, and a suction hole (21) and a pneumatic balance hole (22) are formed in the upper part of the gas collection chamber (2). The left side and the right side of the gas collection chamber (2) are respectively provided with a sliding door (23) which is in sealing fit with the gas collection chamber (2), the upper end of the sliding door (23) is hinged with the upper end of the gas collection chamber (2), the lower end of the sliding door (23) is a movable end, the upper part of the gas collection chamber (2) is provided with a traction device (3), the traction device (3) comprises a first gear (31) and a second gear (32) and a driving belt (33), the driving belt (33) is wound on the first gear (31) and the second gear (32) in an 8 shape, the driving belt (33) is connected with an electric cylinder (34), the electric cylinder (34) comprises a cylinder seat (34 a) and an electric rod (34 b), the electric rod (34 b) penetrates through the cylinder seat (34 a), two ends of the electric rod (34 b) are connected with the driving belt (33), the electric cylinder (34) can push the electric rod (34 b) to move on the first gear (31) and the second gear (32) respectively, and the first gear (35) and the second gear (35) are respectively fixed on the first gear (31) and the second gear (32) in a fixed way, when the first gear (31) and the second gear (32) rotate, the traction wire (35) can draw the sliding door (23) to enable the sliding door (23) to rotate relative to the gas collection chamber (2), so that the gas collection chamber (2) is transparent inside and outside, a bracket (4) is arranged on the upper portion of the gas collection chamber (2), the bracket (4) consists of a supporting leg (41) and an interlayer (42), the interlayer (42) is of a cuboid structure with front-back openings and closed up and down, left and right, the interlayer (42) is fixed on the upper portion of the gas collection chamber (2) through the supporting leg (41), a gas component detector (43) is arranged in the interlayer (42), the gas component detector (43) is connected with an air extraction hole (21) through an air extraction pipe (44), a plurality of fixing holes (12) are formed in the floating plate (1) in front of and/or behind the gas collection chamber (2), the fixing holes (12) vertically penetrate through the plate (1), a remote automatic liquid level detection device is a cuboid structure with a front opening and a left opening and a right opening, the anchor rod (5) is inserted into the fixing hole (51) at the bottom of the anchor rod (5) and can penetrate through the fixing hole (51) at the upper end of the anchor rod (5), the floating plate (1) cannot be separated from the anchor rod (5), a power supply (6) and a central control chip are fixed on the floating plate (1) or the gas collection chamber (2), the central control chip is connected with the electric cylinder (34) and controls the operation of the electric cylinder (34), and the power supply (6) is connected with the electric cylinder (34) and the central control chip and supplies power to the electric cylinder (34); the specific use method of the automatic detection device comprises the following steps: firstly, inserting a gas collection chamber (2) into a through cavity (11) of a floating plate (1), fixing a fixing plate (25) in a fixing groove, enabling the gas collection chamber (2) to be in sealing connection with the floating plate (1), inserting one end of an exhaust pipe (44) into an exhaust hole (21), and connecting the other end of the exhaust pipe (44) with a gas component detector (43); secondly, transporting the remote unattended liquid level volatile gas automatic detection device into a detected water body, then placing the remote unattended liquid level volatile gas automatic detection device on the water surface to float, enabling the anchor rod (5) to pass through the fixing hole (12) until the lower end of the anchor rod (5) is inserted into a river bottom to be fixed, and then sealing the upper end of the anchor rod (5) by the limiting piece (51) to prevent the floating plate (1) from falling out of the anchor rod (5); step three, the central control chip controls the electric cylinder (34) to operate, the electric cylinder (34) drives the first gear (31) and the second gear (32) to rotate, the two sliding doors (23) are opened, the gas collection chamber (2) is in a left-right transparent structure, gas in the gas collection chamber (2) and lake surface gas are fused into a whole, after a period of time, the central control chip controls the electric cylinder (34) to operate reversely, and the two sliding doors are closed; step four, a gas component detector (43) extracts the gas in the gas collection chamber (2) to detect, and after the detection is completed, the gas component detector (43) stores data; step six, repeating the step three and the step four for a plurality of times after the detection is completed, and obtaining array data; step seven, recycling the remote unattended liquid level volatile gas automatic detection device; the upper part of the gas collection chamber (2) is fixedly provided with a gear seat (24), the first gear (31) and the second gear (32) are respectively fixed in the corresponding gear seat (24), and the first gear (31) and the second gear (32) can rotate in the gear seat (24); the air pressure balance hole (22) is used for communicating the air collection chamber (2) with the outside air, so that the air pressure in the air collection chamber (2) is balanced with the outside air pressure when the exhaust pipe (44) is used for exhausting air; the lower part of the gas collection chamber (2) is provided with a plurality of fixing plates (25), the lower part of the floating plate (1) is provided with a fixing groove matched with the fixing plates (25), and the lower end of the gas collection chamber (2) is inserted into the lower part of the through cavity (11) to fix the fixing plates (25) in the fixing groove; the gas collection chamber (2) is made of transparent materials; the anchor rod (5) is a hollow metal rod, threads are arranged at the upper end of the anchor rod (5), the limiting piece (51) is a nut, and the limiting piece (51) is screwed on the threads to fix the anchor rod (5); the gas collection chamber (2) is characterized in that the floating plates (1) in front and behind are respectively provided with a fixing hole (12), and correspondingly, the number of the anchor rods (5) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710047204.4A CN106770976B (en) | 2017-01-22 | 2017-01-22 | Automatic detection device for remotely unattended liquid level volatile gas and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710047204.4A CN106770976B (en) | 2017-01-22 | 2017-01-22 | Automatic detection device for remotely unattended liquid level volatile gas and use method thereof |
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| CN106770976B true CN106770976B (en) | 2023-11-03 |
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| CN107727443B (en) * | 2017-08-17 | 2019-09-24 | 浙江省海洋水产研究所 | It is a kind of convenient for recycling from release type bed mud poly- receiving apparatus |
| KR101956554B1 (en) * | 2017-12-15 | 2019-03-13 | 대한민국 | Floating air condition detection device possible to flying |
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