CN219142386U - Disturbance type soil gas sampling device - Google Patents
Disturbance type soil gas sampling device Download PDFInfo
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- CN219142386U CN219142386U CN202223399442.7U CN202223399442U CN219142386U CN 219142386 U CN219142386 U CN 219142386U CN 202223399442 U CN202223399442 U CN 202223399442U CN 219142386 U CN219142386 U CN 219142386U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The application relates to a disturbance formula soil gas sampling device relates to environmental monitoring sampling device's technical field, and it includes vibrating device, fixed mounting sample storage on vibrating device, with sample storage sealing connection's sample box and collection device, sample storage's cavity is linked together with the sample box cavity, and collection device is linked together with the cavity of sample box. The application utilizes vibrating device to drive the sample strorage device and vibrates, realizes the disturbance to the splendid attire in the sample strorage device, improves the speed of giving off of soil gas in soil, and collection device of being convenient for is to the collection of soil gas, improves sampling device to the problem that the collection efficiency of soil gas is low.
Description
Technical Field
The application relates to the technical field of environment monitoring sampling devices, in particular to a disturbance type soil gas sampling device.
Background
The soil often contains volatile or semi-volatile pollutants, the pollutants exist in the soil gas after being volatilized, and in order to conveniently and rapidly sample and detect whether the soil gas contains the pollutants, the soil gas sample needs to be accurately collected, and various indexes of the soil gas are measured, so that the pollution condition of the soil is obtained.
The current soil gas collecting device mainly comprises a gas collecting box, a suction pump, a gas collecting pipe and the like, wherein the collecting method is that the gas collecting pipe is inserted into soil, the suction pump is used for causing negative pressure in the gas collecting pipe, and soil air is sucked into the gas collecting box, or a positive pressure type gas sampler is used for manually sucking the gas in the soil.
Because the gas in the soil exists in soil pores and soil particles, dispersing and slowly dispersing or volatilizing are difficult to effectively collect and sample in a short time, and the problem that the collection efficiency of the sampling device on the soil gas is low exists.
Disclosure of Invention
In order to improve the problem that sampling device is low to the collection inefficiency of soil gas, this application provides a disturbance formula soil gas sampling device.
The application provides a disturbance formula soil gas sampling device adopts following technical scheme:
the utility model provides a disturbance formula soil gas sampling device, includes vibrating device, fixed mounting sample strorage device on the vibrating device, with sample strorage device sealing connection's sampling box and collection device, the cavity of sample strorage device with the sampling box cavity is linked together, collection device with the cavity of sampling box is linked together.
Through adopting above-mentioned technical scheme, through setting up sample strorage device on vibrating device, vibrating device drives sample strorage device and vibrates, realizes the disturbance to splendid attire in sample strorage device, improves the speed of giving off of soil gas in soil, and collection device of being convenient for is to the collection of soil gas, improves the problem that sampling device is low to the collection efficiency of soil gas.
Optionally, a flexible sealing connection pipe is connected to the sample storage device, and the other end of the flexible sealing connection pipe is connected to the sampling box.
Through adopting above-mentioned technical scheme, through setting up flexible sealing connection pipe, flexible sealing connection pipe realizes on the one hand that the sample is deposited ware cavity and is sampled case cavity's intercommunication, is convenient for carry the soil gas in the sample deposit ware to the sample case cavity in, realizes the swing joint of sample deposit ware and sample case on the other hand, reduces the vibration of sample deposit ware to the transmission of sample case, keeps the stability of sample case, reduces the influence of vibration to sample case self structure.
Optionally, the vibration device comprises a vibration platform and a vibration motor fixedly installed on the vibration platform, and the sample storage device is fixedly installed on the vibration platform.
Through adopting above-mentioned technical scheme, vibrating device during operation, driving motor self produces vibration to drive vibrating platform and produce vibration, vibrating platform transmits driving motor's vibration to sample storage, finally realizes the disturbance to the splendid attire sample soil in the sample storage.
Optionally, the vibration platform includes vibration base, installs elastic component and fixed mounting on the vibration base the elastic component is kept away from the vibrating plate of vibration base tip, vibrating motor with sample storage ware is all fixed mounting on the vibrating plate.
By adopting the technical scheme, the vibrating platform is divided into the vibrating base, the elastic piece and the vibrating plate, the vibrating motor drives the vibrating plate to vibrate, the elastic piece damps vibration power transmitted to the vibrating base, and the influence of vibration on the vibrating base is reduced; meanwhile, the elastic piece is arranged, so that the vibrating plate has higher freedom in a certain area, and the vibration effect of the vibrating plate under the driving action of the vibrating motor is improved.
Optionally, the fixture convenient to fix the sample storage device is fixedly installed on the vibrating plate, the fixture comprises a fixture base fixedly installed on the vibrating plate, a plurality of tight supporting rods slidingly arranged on the fixture base and fixture fasteners used for relatively fixing the tight supporting rods and the fixture fixtures, and the tight supporting rods are tightly supported on the peripheral wall of the sample storage device.
Through adopting above-mentioned technical scheme, utilize frock clamp when with sample strorage device fixed mounting on the vibrating plate, place sample strorage device on the frock base, then slide and support tight pole for a plurality of tight pole tip supports tightly at the outer wall of sample strorage device, later use frock fastener will support tight pole and frock base fixed can, utilize frock clamp to realize the demountable installation of sample strorage device on the vibrating plate, improve sample strorage device fixed mounting's stability on the vibrating plate simultaneously, the vibration of the vibrating plate of being convenient for is to the transmission of sample strorage device.
Optionally, the collection device includes the suction pump, with the air duct that suction pump intake pipe is connected and with the collection piece that suction pump outlet duct is connected, the air duct keep away from the tip of aspiration pump with the sample box is connected.
Through adopting above-mentioned technical scheme, when collection device was collected soil gas, suction pump work for the air duct produces negative pressure, and the soil gas in the sampling box is carried to the collection piece through air duct and suction pump in and is collected.
Optionally, an air guide valve for controlling the on-off of the air guide pipe is further arranged on the air guide pipe.
Through adopting above-mentioned technical scheme, through setting up the air guide valve, utilize the break-make of air guide valve control air guide pipe, be convenient for control the communication state of sampling box and collecting piece.
Optionally, an air inlet control valve is further arranged on the sampling box.
Through adopting above-mentioned technical scheme, when the aspiration pump pumps the soil gas in the sampling box, the sampling box is whole to be in closed state for collection device is collected the soil gas and is accomplished the back, can produce the negative pressure in the sampling box, through setting up the control valve that admits air, control the control valve that admits air opens and shuts the intercommunication and the closure of sampling box and outside, realizes the inside and outside pressure balance control of sampling box.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sample storage device is arranged on the vibration device, the vibration device drives the sample storage device to vibrate, so that the disturbance of the sample storage device in the sample storage device is realized, the dispersing speed of soil gas in soil is improved, the collection of the soil gas by the collection device is facilitated, and the problem of low collection efficiency of the soil gas by the sampling device is solved;
2. through setting up flexible sealing connection pipe, flexible sealing connection pipe realizes the intercommunication of sample strorage device cavity and sampling box cavity on the one hand, is convenient for carry the soil gas in the sample strorage device to the sampling box cavity in, on the other hand realizes the swing joint of sample strorage device and sampling box, reduces the vibration of sample strorage device to the transmission of sampling box, keeps the stability of sampling box, reduces the influence of vibration to sampling box self structure.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Reference numerals illustrate: 1. a vibration device; 11. a vibration platform; 111. a vibration base; 112. an elastic member; 113. a vibration plate; 12. a vibration motor; 2. a sample holder; 3. sampling box; 4. a collecting device; 41. a suction pump; 42. an air duct; 43. a collection member; 5. a flexible sealing connection tube; 6. a fixture clamp; 61. a tooling base; 62. a tightening rod; 63. a fixture fastener; 7. an air guide valve; 8. an intake control valve; 9. a first sleeve; 10. a second sleeve; 13. a sliding groove.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1.
The embodiment of the application discloses a disturbance type soil gas sampling device.
Referring to fig. 1, a disturbance type soil gas sampling apparatus includes a vibration device 1, a sample holder 2 installed to be clamped on the vibration device 1, a sampling tank 3 communicating with the sample holder 2, and a collecting device 4 communicating with the sampling tank 3.
The vibration device 1 generates vibration and transmits the vibration to the sample storage device 2, so that the sample storage device 2 generates vibration, the disturbance of the sample soil contained in the sample storage device 2 is realized, the emission speed of the soil gas in the sample soil is improved, the collection of the soil gas by the collection device 4 is facilitated, the problem that the collection efficiency of the soil gas by the collection device is low is solved, the emitted soil gas enters the sampling box 3, and finally the soil gas is collected by the collection device 4.
The vibration device 1 includes a vibration table 11 and a vibration motor 12 fixedly mounted on the vibration table 11 by bolts. The vibration motor 12 vibrates in the direction of its own weight at a frequency of 30 times/min. The vibration table 11 includes a vibration base 111, an elastic member 112, and a vibration plate 113, the vibration base 111 and the vibration plate 113 are disposed parallel to each other, and the vibration motor 12 is fixedly mounted on an end surface of the vibration plate 113 near the vibration base 111 by bolts.
The vibration base 111 is a rectangular base formed by welding steel materials, the end face of the vibration base, which is close to the vibration plate 113, is welded and provided with the first sleeves 9, the number of the first sleeves 9 is four, and the first sleeves 9 are respectively arranged at the positions of the vibration base 111, which are close to the four corners of the vibration base. The vibration plate 113 is a steel plate, and four second sleeves 10 are mounted near the end surface of the vibration base 111, and the second sleeves 10 are arranged in one-to-one correspondence with the first sleeves 9. The elastic members 112 are elastic springs, the number of the elastic members 112 is set to be plural, in this embodiment, the number of the elastic members 112 is the same as the number of the first sleeves 9, and all the elastic members are set to be 4. One end of the elastic member 112 is inserted and mounted in the first sleeve 9, and the other end is inserted and mounted in the second sleeve 10.
The elastic piece 112 supports the vibration plate 113, and simultaneously damps vibration power transmitted to the vibration base 111, so that the influence of vibration on the vibration base 111 is reduced, and the risk that the vibration base 111 is displaced under the vibration action is reduced; meanwhile, the elastic piece 112 enables the vibration plate 113 to have higher freedom in a certain area, and the vibration amplitude and vibration frequency of the vibration plate under the driving action of the vibration motor 12 are improved.
The vibration plate 113 is provided with the tool clamp 6 in a welded mode, and the tool clamp 6 comprises a tool base 61, a tightening rod 62 and a tool fastener 63, wherein the tool base 61 is arranged on the vibration plate 113 far away from the vibration base 111 in a welded mode, the tightening rod 62 is arranged on the tool base 61 in a sliding mode, and the tool fastener 63 is threaded on the tightening rod 62 in a penetrating mode. The tooling base 61 is welded and mounted at the center of the vibration plate 113, and has a disc-shaped overall structure. Four sliding grooves 13 are radially formed in the tool base 61, the whole cross section of each sliding groove 13 is in a convex shape, the number of the corresponding abutting rods 62 is four, the whole cross section of each abutting rod 62 is adaptive to the cross section of each sliding groove 13, and the abutting rods 62 slide and penetrate through the sliding grooves 13. The fixture fastener 63 is a screw, the threads of the screw penetrate through the abutting rod 62, and when the fixture fastener 63 is screwed, the end part of the fixture fastener 63 abuts against the fixture base 61.
When the fixture 6 is used for clamping and fixing the sample storage device 2, the sample storage device 2 is firstly placed on the fixture base 61, then the abutting rods 62 slide along the guiding direction of the sliding groove 13, the end parts of the four abutting rods 62 abut against the outer wall of the sample storage device 2, finally the fixture fasteners 63 are screwed, the end parts of the fixture fasteners 63 abut against the fixture base 61, the fixing of the abutting rods 62 and the fixture base 61 is realized, and therefore the fixed installation of the sample storage device 2 on the vibration plate 113 is realized. Utilize frock clamp 6 to realize the demountable installation on vibrating plate 113, improve sample storage 2 simultaneously and install the stability on vibrating plate 113 fixedly, the transmission of the vibration of vibrating plate 113 to sample storage 2 of being convenient for.
The sample storage device 2 is made of polytetrafluoroethylene materials, a flexible sealing connecting pipe 5 is sleeved at the opening end of the sample storage device 2, and the other end of the flexible sealing connecting pipe 5 is connected to the center position of the end face of the bottom of the sampling box 3. The flexible sealing connecting pipe 5 is a rubber corrugated pipe, two ends of the flexible sealing connecting pipe 5 are respectively connected with the sample storage device 2 and the sampling box 3 in a sealing way, so that the communication between the inner cavity of the sample storage device 2 and the inner cavity of the sampling box 3 is realized, and the soil gas emitted by the sampling soil contained in the sample storage device 2 is conveniently guided into the sampling box 3. The flexible sealing connecting pipe 5 simultaneously realizes the movable connection of the sample storage device 2 and the sampling box 3, reduces the transmission of the vibration of the sample storage device 2 to the sampling box 3, keeps the stability of the sampling box 3, and reduces the influence of the vibration on the self structure of the sampling box 3.
The sampling box 3 is an integrally sealed cube formed by splicing organic glass, is supported on the ground through a bracket, and is provided with an air inlet control valve 8 in a penetrating way on one side wall. When collecting device 4 collects the soil gas in sampling box 3, sampling box 3 wholly is in the closed state for after collecting device 4 is accomplished the soil gas collection, can produce the negative pressure in the sampling box 3, through the control sampling box 3 of the control valve that admits air 8's the control that opens and shuts and close with outside intercommunication, helps realizing the inside and outside pressure balance control of sampling box 3.
The collecting device 4 comprises a suction pump 41, an air duct 42 sleeved on the air inlet pipe of the suction pump and a collecting piece 43 sleeved on the air outlet pipe of the suction pump. The air duct 42 is a latex tube, the length is 50cm, the inner diameter is 30mm, the outer diameter is 50mm, the middle position of the air duct 42 is connected with the air duct 7, and one end of the air duct 42, which is far away from the suction pump 41, is connected with the center position of the top end face of the sampling box 3 in a sealing way. The collecting member 43 is a rubber material supported balloon. The air guide valve 7 is used for controlling the on-off of the air guide pipe 42, so that the communication state of the sampling box 3 and the collecting piece 43 is conveniently controlled.
When the collecting device 4 collects the soil gas, the air guide valve 7 is opened, the air inlet control valve 8 is closed, the suction pump 41 works to suck the soil gas in the sampling box 3, and the soil gas flows into the collecting piece 43 through the air guide pipe 42, the air guide valve 7, the air guide pipe 42 and the suction pump 41 in sequence, so that the collection of the soil gas is realized.
The implementation principle of the disturbance type soil gas sampling device in the embodiment of the application is as follows: when collecting the soil gas, pass through frock clamp 6 fixed mounting on vibrating device 1 with sample storage 2, vibrating device 1 drives sample storage 2 vibration, disturb the soil of splendid attire in the sample storage 2, improve the speed of giving off of soil gas in soil, be convenient for collection device 4 collect the soil gas, improve the sampling device to the problem that the collection efficiency of soil gas is low, the soil gas is through flexible sealing connection pipe 5, flow to collection device 4 in, realize the collection to the soil gas.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A disturbance type soil gas sampling device is characterized in that: the device comprises a vibrating device (1), a sample storage device (2) fixedly installed on the vibrating device (1), a sampling box (3) and a collecting device (4), wherein the sampling box (3) is in sealing connection with the sample storage device (2), a cavity of the sample storage device (2) is communicated with a cavity of the sampling box (3), and the collecting device (4) is communicated with a cavity of the sampling box (3).
2. A perturbed soil gas sampling apparatus as set forth in claim 1, wherein: the sample storage device (2) is connected with a flexible sealing connecting pipe (5), and the other end of the flexible sealing connecting pipe (5) is connected with the sampling box (3).
3. A perturbed soil gas sampling apparatus as set forth in claim 1, wherein: the vibration device (1) comprises a vibration platform (11) and a vibration motor (12) fixedly installed on the vibration platform (11), and the sample storage device (2) is fixedly installed on the vibration platform (11).
4. A perturbed soil gas sampling apparatus according to claim 3, wherein: the vibration platform (11) comprises a vibration base (111), an elastic piece (112) arranged on the vibration base (111) and a vibration plate (113) fixedly arranged at the end part of the elastic piece (112) away from the vibration base (111), wherein the vibration motor (12) and the sample storage device (2) are fixedly arranged on the vibration plate (113).
5. The perturbed soil gas sampling apparatus as set forth in claim 4, wherein: the utility model discloses a sample storage device, including vibration board (113), vibration board (113) are gone up fixed mounting and are convenient for carry out frock clamp (6) fixed to sample storage device (2), frock clamp (6) are in including fixed mounting frock base (61) on vibration board (113), slip setting are in a plurality of tight poles (62) of support on frock base (61) and be used for right support tight pole (62) with frock fastener (63) that frock clamp (6) carry out relative fixation, support tight pole (62) support tightly the periphery wall of sample storage device (2).
6. A perturbed soil gas sampling apparatus as set forth in claim 1, wherein: the collecting device (4) comprises a suction pump (41), an air duct (42) connected with an air inlet pipe of the suction pump (41) and a collecting piece (43) connected with an air outlet pipe of the suction pump (41), and the end part, far away from the suction pump (41), of the air duct (42) is connected with the sampling box (3).
7. The perturbed soil gas sampling apparatus as set forth in claim 6, wherein: the air duct (42) is also provided with an air duct (7) for controlling the on-off of the air duct (42).
8. A perturbed soil gas sampling apparatus as set forth in claim 1, wherein: and an air inlet control valve (8) is further arranged on the sampling box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223399442.7U CN219142386U (en) | 2022-12-17 | 2022-12-17 | Disturbance type soil gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223399442.7U CN219142386U (en) | 2022-12-17 | 2022-12-17 | Disturbance type soil gas sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN219142386U true CN219142386U (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223399442.7U Active CN219142386U (en) | 2022-12-17 | 2022-12-17 | Disturbance type soil gas sampling device |
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| Country | Link |
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| CN (1) | CN219142386U (en) |
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- 2022-12-17 CN CN202223399442.7U patent/CN219142386U/en active Active
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