Pipeline suction type gas sampling and monitoring device
By using multiple sets of connecting rods and telescopic balloons to achieve pipeline sealing in the gas sampling device, and combining an activated carbon adsorption layer and a sleeve structure, the problems of sealing and gas residue are solved, ensuring the accuracy and adaptability of the sampling results.
Patent Information
- Application Number
- CN202423281567.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing gas sampling devices have problems with sealing and gas residue cleanup, leading to errors and contamination in test results, and they cannot adapt to complex and ever-changing exhaust gas pipelines.
Multiple sets of connecting rods and telescopic balloons are used to achieve pipeline sealing. Activated carbon adsorption layer and telescopic sleeve are used in conjunction with the sleeve to flush out gas, ensuring that the gas inside the sampling bottle is cleaned. An electric telescopic rod is used to control the sealing and opening of the sampling process.
It effectively isolates exhaust gas from outside air, reduces detection errors, ensures the accuracy and efficiency of sampling results, and adapts to complex pipeline structures.
Smart Images

Figure CN223581503U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to gas sampling monitoring technical field, especially relate to a pipeline suction type gas sampling monitoring device. BACKGROUND
[0002] At present, in order to prevent the harmful waste gas from being discharged into the atmosphere and causing harm, it is necessary to monitor and analyze the waste gas, and direct sampling of the waste gas is needed before monitoring and analysis, and the existing gas sampling device has the following technical problems in the use process: 1) the sealing effect of the waste gas channel is poor, which causes air to be mixed in the process of sampling the waste gas, resulting in errors in the final detection result; 2) the residual gas in the sampling equipment cannot be effectively cleaned, which affects the final detection result.
[0003] After searching, the prior art CN219870510U discloses an industrial waste gas monitoring waste gas sampling device, which comprises a connecting pipe and a waste gas sampling mechanism arranged on the connecting pipe, a protruding pipe is welded at the center of the top wall of the connecting pipe, the waste gas sampling mechanism is a sampling pipe fixedly inserted into the protruding pipe, valves are installed on the protruding pipe and the sampling pipe, by setting the sampling pipe on the protruding pipe, part of the industrial waste gas can directly enter the sampling pipe to realize sampling when the industrial waste gas is discharged, and then the two valves are closed to remove the sampling pipe from the protruding pipe; at the same time, by driving the servo motor to run to drive the screw to rotate, the particulate matter adhering to the inner wall of the connecting pipe can be automatically cleaned; although the above technical scheme can realize cleaning of particulate matter and avoid leakage of industrial waste gas to the external environment, it still has the following technical problems in the use process: 1) the flange connection method has too small application range and cannot adapt to complex and changeable waste gas pipelines, and has large limitation; 2) the sampling is carried out by connecting the sampling pipe, which is convenient, but the residual air in the sampling pipe will be compressed in the sampling process, and will affect the final detection result after being mixed with the waste gas.
[0004] For example, the prior art CN221078192U discloses a kind of exhaust detection quick sampling device, including collection cylinder, adjusting assembly is fixedly installed in the left side of collection cylinder, air exchange component is installed in the inside of collection cylinder, adjusting assembly includes the adjusting ring of rotation connection in the left side of collection cylinder and air pump;The above technical solutions are collected by setting adjusting assembly and air exchange component, and the air exchange wheel is collected to different collection tanks by rotating adjusting ring, one collection tank is collected, adjusting ring is rotated again, and the next collection tank is collected, which is convenient and fast, when the collected exhaust gas needs to be detected and sampled, the collected collection tank is directly taken down, and centralized detection or individual detection can be carried out, after the collection tank is taken down, new collection tank is replaced, the continuity of collection is ensured, and the collected collection tank can be cleaned centrally;But the above technical solutions cannot effectively remove the air in the collection tank during the collection process, so that the air is mixed with the exhaust gas, which will affect the final detection result. SUMMARY
[0005] The utility model aims at overcoming the prior art, provide a pipeline suction formula gas sampling monitoring device, by setting up multiple connecting rods cooperation telescopic balloon on support pipe, can realize the sealing of pipeline, avoid air entering, simultaneously when collecting in sampling bottle, utilize multiple spring cooperation sleeve to realize automatic closure, still can utilize exhaust gas itself to flush sampling bottle inside after sampling, ensure the consistency of exhaust gas, prevent pollution, effectively reduce the later detection error.
[0006] In order to achieve the above object, the technical scheme adopted by the utility model is:
[0007] The utility model provides a pipeline suction type gas sampling monitoring device, including storage cylinder, fan, connecting hose I, support pipe, loudspeaker mouth, electric telescopic rod I, sliding seat, connecting rod I, connecting rod II, connecting rod III, electric telescopic rod II, telescopic balloon, connecting hose II, telescopic pipe, connecting plate, electric telescopic rod III, rotary frame, activated carbon adsorption layer, support shaft, motor, electric telescopic rod IV, fixed plate, sampling bottle, the storage cylinder top is equipped with the fan, and one end of fan is fixedly connected through connecting hose I and is communicated with support pipe, and the other end is communicated with telescopic pipe through connecting hose II, one end of support pipe is fixedly installed loudspeaker mouth, can increase the air intake area, and the one end of electric telescopic rod I is fixedly installed on support pipe, and the telescopic end of electric telescopic rod I is fixedly connected with sliding seat, and sliding seat is movably installed on the outside of support pipe, and connecting rod I is movably installed on sliding seat, and the other end of connecting rod I is movably installed on connecting rod II, and one end of connecting rod II is movably installed on support pipe, and the other end is movably connected with connecting rod III, and electric telescopic rod II is movably installed between connecting rod II and connecting rod III, and one end of connecting rod III is fixedly connected with the open end of telescopic balloon, and the tail end of telescopic balloon is fixedly installed on support pipe, the telescopic pipe is fixedly connected with one end of electric telescopic rod III through connecting plate, the inside of storage cylinder is equipped with support shaft, and rotary frame is movably installed on support shaft, and the gear on the bottom of rotary frame is meshed with the gear on the output end of motor, and the motor is fixedly installed on the bottom of storage cylinder, and a plurality of activated carbon adsorption layers are equidistantly installed on rotary frame, and the through -hole is set up on activated carbon adsorption layer and places sampling bottle, and the electric telescopic rod IV is equipped below activated carbon adsorption layer, and the fixed plate is arranged on the telescopic end of electric telescopic rod IV.
[0008] The bottom of the storage cylinder is provided with a plurality of air ducts to facilitate the circulation of gas.
[0009] The top of the storage cylinder is provided with a pull door to facilitate the replacement of the internal sampling bottle.
[0010] The inside of the telescopic pipe is fixedly installed with a pressing plate, which can complete the air intake operation of the sampling bottle in cooperation with the telescopic pipe.
[0011] The activated carbon adsorption layer is provided with a sealing plate above it to prevent the upward movement of gas, so that it flows into the lower part of the storage cylinder after passing through the activated carbon adsorption layer, and finally is discharged through the air duct.
[0012] The top of the sampling bottle is fixedly connected with an air inlet, and a ventilation hole I is formed on one side of the sampling bottle. A telescopic sleeve is arranged at the bottom of the sampling bottle, and a ventilation hole II is formed on the telescopic sleeve. A plurality of springs I are arranged between the telescopic sleeve and the sampling bottle. A fixed sleeve is fixedly installed on the outside of the sampling bottle near the air inlet. Two sets of rotating shafts are symmetrically arranged in the fixed sleeve. A wind shield is movably installed on the rotating shafts. Rubber pads are fixedly installed on the adjacent sides of the two sets of wind shields. An installation boss I is arranged below the wind shield. A spring II is arranged on the installation boss I. The other end of the spring II is installed on the side wall of the fixed sleeve through an installation boss II.
[0013] The utility model discloses a pipeline suction type gas sampling monitoring device compared with prior art has beneficial effects of showing in:
[0014] 1) when sampling the exhaust gas, the supporting pipe is placed in the exhaust gas pipeline, then the electric telescopic rod I and the electric telescopic rod II are adjusted, the connecting rod I, the connecting rod II and the connecting rod III are driven to move in multiple stages, finally the connecting rod III is fixed to the one end of the telescopic balloon and adheres to the sidewall of the exhaust gas pipeline, at this time, due to the blocking of the telescopic balloon, the exhaust gas will rush into the inside of the telescopic balloon, the telescopic balloon is blown up and expands until adhering to the inner wall of the exhaust gas pipeline to complete the temporary sealing of the pipeline, which can isolate the exhaust gas from the outside air as much as possible, guarantee the sampling effect and reduce the detection error in the later period.
[0015] 2) when storing the exhaust gas, the idle sampling bottle is rotated to the specified position by starting the motor, then the electric telescopic rod III is adjusted, the telescopic pipe is driven to move up and down, the telescopic pipe is sleeved with the one end air inlet of the sampling bottle, at this time, the pressing plate in the telescopic pipe will push away the two sets of wind baffles in the fixed sleeve at the end of the air inlet, at this time, the gas can enter the inside of the sampling bottle to be collected, after the collection is completed, the telescopic pipe drives the pressing plate to reset, at this time, the two sets of wind baffles are reset under the action of the spring, the air inlet is sealed, the direct contact between the outside air and the exhaust gas is further isolated, the problem that the mixed gas affects the detection result is avoided, and the accuracy of data detection is further guaranteed.
[0016] 3) when collecting the exhaust gas, in order to prevent the residual gas in the sampling bottle from polluting the sampling, the electric telescopic rod IV is controlled to drive the fixed plate to be telescopic and adjusted, the bottom telescopic sleeve of the sampling bottle is compressed to overlap and communicate with the ventilation hole I and the ventilation hole II, at this time, the gas in the inside of the sampling bottle will be blown out through the ventilation hole I and the ventilation hole II, the blown-out exhaust gas is adsorbed through the activated carbon adsorption layer and is discharged through the bottom air duct, after the gas is washed, the electric telescopic rod IV drives the fixed plate to reset, the telescopic sleeve is reset under the action of the spring I, the ventilation hole I and the ventilation hole II are closed in dislocation, at this time, the sampling and storage of the exhaust gas can be carried out, the gas pollution is prevented, the detection precision is guaranteed, the sampling can be carried out multiple times through the adjustment of the rotating frame, and the sampling efficiency is greatly improved. ACCURACY
[0017] ATTACHMENT Figure 1 It is a pipeline suction type gas sampling monitoring device structure schematic view of the utility model;
[0018] ATTACHMENT Figure 2 It is a pipeline suction type gas sampling monitoring device internal structure schematic view of the utility model;
[0019] ATTACHMENT Figure 3 It is a pipeline suction type gas sampling monitoring device bottom structure schematic view of the utility model;
[0020] ATTACHMENT Figure 4is a rotating frame structure schematic diagram;
[0021] attached Figure 5 is a sampling bottle internal structure schematic diagram;
[0022] attached Figure 6 is a support pipe installation effect schematic diagram;
[0023] In the figure: 10, storage cylinder; 11, air duct; 12, pull door; 13, fan; 14, connecting hose I; 15, support pipe; 16, horn mouth; 17, electric telescopic rod I; 18, sliding seat; 19, connecting rod I; 20, connecting rod II; 21, connecting rod III; 22, electric telescopic rod II; 23, telescopic balloon; 24, connecting hose II; 25, telescopic pipe; 26, connecting plate; 27, electric telescopic rod III; 28, rotating frame; 29, activated carbon adsorption layer; 30, support shaft; 31, motor; 32, electric telescopic rod IV; 33, fixed plate; 34, sampling bottle; 35, air inlet; 36, telescopic sleeve; 37, fixed sleeve; 251, pressing plate; 291, sealing plate; 341, air vent I; 361, air vent II; 362, spring I; 371, rotating shaft; 372, wind deflector; 373, rubber pad; 374, mounting boss I; 375, spring II; 376, mounting boss II. DETAILED DESCRIPTION
[0024] For the convenience of the person skilled in the art to understand, the following will be combined with the attached Figures 1-6 The technical scheme of the utility model is further specifically explained.
[0025] The utility model provides a pipeline suction type gas sampling monitoring device, including storage cylinder 10, fan 13, connecting hose I 14, support pipe 15, horn mouth 16, electric telescopic rod I 17, sliding seat 18, connecting rod I 19, connecting rod II 20, connecting rod III 21, electric telescopic rod II 22, telescopic balloon 23, connecting hose II 24, telescopic pipe 25, connecting plate 26, electric telescopic rod III 27, rotary frame 28, active carbon adsorption layer 29, support shaft 30, motor 31, electric telescopic rod IV 32, fixed plate 33, sampling bottle 34, the storage cylinder 10 top is equipped with fan 13, and one end of fan 13 is fixedly connected through connecting hose I 14 and communicates support pipe 15, and the other end communicates telescopic pipe 25 through connecting hose II 24, one end of support pipe 15 is fixedly installed horn mouth 16, can increase the air intake area, and the one end of electric telescopic rod I 17 is fixedly installed on support pipe 15, and the telescopic end of electric telescopic rod I 17 is fixedly connected sliding seat 18, and sliding seat 18 is movably installed on the outside of support pipe 15, and connecting rod I 19 is movably installed on sliding seat 18, and the other end of connecting rod I 19 is movably installed on connecting rod II 20, and one end of connecting rod II 20 is movably installed on support pipe 15, and the other end is movably connected with connecting rod III 21, and electric telescopic rod II 22 is movably installed between connecting rod II 20 and connecting rod III 21, and one end of connecting rod III 21 is fixedly connected with the open end of telescopic balloon 23, and the tail end of telescopic balloon 23 is fixedly installed on support pipe 15, telescopic pipe 25 is fixedly connected with one end of electric telescopic rod III 27 through connecting plate 26, the inside of storage cylinder 10 is equipped with support shaft 30, and rotary frame 28 is movably installed on support shaft 30, and the gear on the bottom of rotary frame 28 is meshedly installed with the gear on the output end of motor 31, and motor 31 is fixedly installed on the bottom of storage cylinder 10, and a plurality of active carbon adsorption layers 29 are equidistantly installed on rotary frame 28, and the through hole on active carbon adsorption layer 29 is used to place sampling bottle 34, and electric telescopic rod IV 32 is arranged below active carbon adsorption layer 29, and fixed plate 33 is arranged on the telescopic end of electric telescopic rod IV 32, when sampling the exhaust gas, after the staff completes the protection work, support pipe 15 is placed in the exhaust gas pipeline, then electric telescopic rod I 17 and electric telescopic rod II 22 are adjusted, the multistage connecting rod is moved, connecting rod III 21 is fixedly connected with one end of telescopic balloon 23 and adheres to the sidewall of exhaust gas pipeline, at this moment, because of the obstruction of telescopic balloon 23, the exhaust gas will rush into the inside of telescopic balloon 23, and the telescopic balloon 23 is blown up and expands until adheres to the inner wall of exhaust gas pipeline and completes the temporary sealing, at this moment, fan 13 is started, and the exhaust gas remaining in the pipeline can be sucked, and the sucked exhaust gas is transported to sampling bottle through the pipeline and is stored.
[0026] The bottom of storage cylinder 10 is provided with a plurality of air ducts 11, which facilitates the circulation of gas.
[0027] The top of storage cylinder 10 is provided with a pull door 12, which facilitates the replacement of the internal sampling bottle 34.
[0028] The telescopic pipe 25 is internally fixedly provided with a pressing plate 251, which can complete the air intake operation of the sampling bottle 34 in cooperation with the telescopic pipe 25.
[0029] The active carbon adsorption layer 29 is provided with a sealing plate 291 above, which prevents the gas from moving upward and flowing into the storage cylinder 10 below after passing through the active carbon adsorption layer 29, and finally being discharged through the air duct 11.
[0030] The sampling bottle 34 is fixedly communicated with an air inlet 35 at the top, and is provided with a ventilation hole I 341 on one side. The bottom of the sampling bottle 34 is provided with a telescopic sleeve 36, and the telescopic sleeve 36 is provided with a ventilation hole II 361. A plurality of springs I 362 are arranged between the telescopic sleeve 36 and the sampling bottle 34. A fixed sleeve 37 is fixedly arranged on the outside of the sampling bottle 34 near the air inlet 35. Two groups of rotating shafts 371 are symmetrically arranged in the fixed sleeve 37. A baffle 372 is movably arranged on the rotating shaft 371. Rubber pads 373 are fixedly arranged on the adjacent sides of the two groups of baffles 372. An installation boss I 374 is arranged below the baffle 372, and a spring II 375 is arranged on the installation boss I 374. The other end of the spring II 375 is arranged on the side wall of the fixed sleeve 37 through an installation boss II 376. When the waste gas storage work is performed, the idle sampling bottle 34 is first rotated to the specified position by the starting motor 31, and then the telescopic pipe 25 is driven to move up and down by adjusting the electric telescopic rod III 27, so that the telescopic pipe 25 covers the air inlet 35 at one end of the sampling bottle 34. At this time, the pressing plate 251 in the telescopic pipe 25 will push open the two groups of baffles 372 in the fixed sleeve 37 at the end of the air inlet 35, and the gas can enter the inside of the sampling bottle 34 for collection. In order to prevent the residual gas in the sampling bottle 34 from polluting the sampling, the electric telescopic rod IV 332 is controlled to drive the fixed plate 33 to be telescopic, so that the telescopic sleeve 36 at the bottom of the sampling bottle 34 is compressed to communicate the ventilation hole I 341 and the ventilation hole II 361. At this time, the gas in the sampling bottle 34 will be blown out, and the blown-out waste gas is adsorbed by the active carbon adsorption layer 29 and then discharged through the air duct 11 below, so that the gas cleaning is completed. After the electric telescopic rod IV 332 drives the fixed plate 33 to reset, the telescopic sleeve 36 is reset under the action of the spring I 362, and the ventilation hole I 341 and the ventilation hole II 361 are closed in dislocation. At this time, the sampling work of the waste gas can be performed.
[0031] The working process of the pipeline suction type gas sampling monitoring device is as follows: when sampling the exhaust gas, after the worker completes the protection work, the supporting pipe 15 is placed into the exhaust gas pipeline, then the multi-stage connecting rod is moved by adjusting the electric telescopic rod I 17 and the electric telescopic rod II 22, the connecting rod III 21 is fixed to the one end of the telescopic balloon 23 to adhere to the sidewall of the exhaust gas pipeline, at this time, due to the blockage of the telescopic balloon 23, the exhaust gas will rush into the telescopic balloon 23, the telescopic balloon 23 is blown up and expanded until it adheres to the inner wall of the exhaust gas pipeline to complete the temporary sealing, at this time, the fan 13 is started, the residual exhaust gas in the pipeline can be sucked, at this time, the motor 31 in the storage cylinder 10 first rotates the idle sampling bottle 34 to the specified position, then the telescopic tube 25 is moved up and down by adjusting the electric telescopic rod III 27, so that the telescopic tube 25 sleeves the one end air inlet 35 of the sampling bottle 34, at this time, the pressing plate 251 in the telescopic tube 25 will push open the two groups of wind baffles 372 in the fixed sleeve 37 at the end of the air inlet 35, at this time, the gas can enter the sampling bottle 34 to collect; in order to prevent the residual gas in the sampling bottle 34 from polluting the sampling, the electric telescopic rod IV 32 drives the fixed plate 33 to extend, the telescopic sleeve 36 at the bottom of the sampling bottle 34 is compressed to communicate the ventilation hole I 341 and the ventilation hole II 361, at this time, the gas in the sampling bottle 34 is blown out, the blown exhaust gas is adsorbed by the activated carbon adsorption layer 29 and is discharged through the lower air duct 11, after the gas is cleaned, the electric telescopic rod IV 32 drives the fixed plate 33 to reset, the telescopic sleeve 36 is reset under the action of the spring I 362, the ventilation hole I 341 and the ventilation hole II 361 are closed in dislocation, at this time, the sampling work of the exhaust gas can be carried out; after the sampling bottle 34 is filled, the operator can open the pull door 12 to take out the internal sampling bottle 34 for the next step detection according to the requirement.
[0032] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the scope defined by the present application, which shall belong to the protection scope of the utility model.
Claims
1. A pipeline suction-type gas sampling and monitoring device, comprising a storage cylinder, a fan, a connecting hose I, a support pipe, a bell mouth, an electric telescopic rod I, a sliding seat, a connecting rod I, a connecting rod II, a connecting rod III, an electric telescopic rod II, a telescopic balloon, a connecting hose II, a telescopic pipe, a connecting plate, an electric telescopic rod III, a rotating frame, an activated carbon adsorption layer, a support shaft, a motor, an electric telescopic rod IV, a fixing plate, and a sampling bottle, characterized in that... The fan is fixedly connected with the support pipe through the connecting hose I at one end and connected with the telescopic pipe through the connecting hose II at the other end; the support pipe is fixedly installed with a trumpet mouth at one end, and is fixedly installed with one end of the electric telescopic rod I on the outer side of the support pipe; the telescopic end of the electric telescopic rod I is fixedly connected with the sliding seat which is movably installed on the outer side of the support pipe; the sliding seat is movably installed with the connecting rod I, and the other end of the connecting rod I is movably installed on the connecting rod II; one end of the connecting rod II is movably installed on the support pipe, and the other end is movably connected with the connecting rod III; the electric telescopic rod II is movably installed between the connecting rod II and the connecting rod III; one end of the connecting rod III is fixedly connected with the open end of the telescopic balloon, and the tail end of the telescopic balloon is fixedly installed on the support pipe; the telescopic pipe is fixedly connected with one end of the electric telescopic rod III through the connecting plate; the support shaft is movably installed with the rotating frame on the support shaft; the gear provided on the bottom of the rotating frame is meshingly installed with the gear provided on the output end of the motor; the motor is fixedly installed on the bottom of the storage cylinder; a plurality of active carbon adsorption layers are equidistantly installed on the rotating frame; the through hole is provided on the active carbon adsorption layer for placing the sampling bottle; the electric telescopic rod IV is arranged below the active carbon adsorption layer; and the fixed plate is arranged at the telescopic end of the electric telescopic rod IV.
2. A pipeline suction gas sampling monitoring device according to claim 1, characterised in that A plurality of air ducts are arranged on the bottom of the storage cylinder.
3. A pipeline suction gas sampling monitoring device according to claim 1, characterised in that The storage cylinder is provided with a pull door at the top.
4. A pipeline suction gas sampling and monitoring apparatus according to claim 1, wherein The telescopic pipe is fixedly installed with the pressing plate inside.
5. A pipeline suction gas sampling and monitoring apparatus according to claim 1, wherein The active carbon adsorption layer is provided with the sealing plate above.
6. A pipeline suction gas sampling and monitoring apparatus according to claim 1, wherein The sampling bottle is fixedly connected with the air inlet at the top; the air vent I is arranged on one side of the sampling bottle; the telescopic sleeve is arranged at the bottom of the sampling bottle; the air vent II is arranged on the telescopic sleeve; a plurality of springs I are arranged between the telescopic sleeve and the sampling bottle; the fixed sleeve is installed on the outer side of the sampling bottle close to the air inlet; the two groups of rotating shafts are symmetrically arranged in the fixed sleeve; the wind shield is movably installed on the rotating shaft; the rubber pad is fixedly installed on the adjacent side of the two groups of wind shields; the mounting boss I is arranged below the wind shield; the spring II is arranged on the mounting boss I; and the other end of the spring II is arranged on the side wall of the fixed sleeve through the mounting boss II.
Citation Information
Patent Citations
Waste gas sampling device for industrial waste gas monitoring
CN219870510U
Rapid sampling device for waste gas detection
CN221078192U