CN116735279B - Groundwater pollutant extraction device - Google Patents
Groundwater pollutant extraction device Download PDFInfo
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- CN116735279B CN116735279B CN202310999903.4A CN202310999903A CN116735279B CN 116735279 B CN116735279 B CN 116735279B CN 202310999903 A CN202310999903 A CN 202310999903A CN 116735279 B CN116735279 B CN 116735279B
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- 238000000605 extraction Methods 0.000 title claims abstract description 57
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 27
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 27
- 239000003673 groundwater Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 239000000356 contaminant Substances 0.000 claims description 2
- 239000003403 water pollutant Substances 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003895 groundwater pollution Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- 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
- G01N33/18—Water
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application relates to a groundwater pollutant extraction device, and belongs to the technical field of groundwater sampling. The extraction device comprises an extraction body, wherein one side of the extraction body is provided with a lifting mechanism, and the lifting mechanism is provided with a drill rod and a driving piece for driving the drill rod to rotate; the bottom end of the drill rod is fixedly connected with a drill bit; an electronic detection assembly is arranged in the drill rod and is used for detecting the content and components of pollutants in underground water to obtain pollution signals; the water sample extraction assembly is arranged outside the drill rod and is in communication connection with the electronic detection assembly, and the water sample extraction assembly is used for extracting a water sample in response to a pollution signal. According to the application, the water sample is extracted when the pollutant exists in the underground water is detected, so that the extracted water sample is a truly parallel sample, the problem that the concentration difference of the pollutant in the underground water exists due to different underground water parallel sample collection is effectively solved, and the underground water parallel sample collection speed is accelerated.
Description
Technical Field
The application relates to the technical field of groundwater sampling, in particular to a groundwater pollutant extraction device.
Background
Along with the acceleration of industrialization process, soil and groundwater are polluted to different degrees, groundwater pollution early warning, detection, control and repair become more important, and the technical requirements for sampling groundwater samples are also higher.
At present, underground water is sampled by adopting a method for constructing an underground water monitoring well by drilling. The drilling is generally that a sampling drill is drilled or pushed into a certain depth at the ground vertical to the ground, then the sampling drill is put into a well pipe, quartz sand and bentonite are filled between the well wall and the well pipe for filtering and plugging, and after the sampling drill is cleaned, a groundwater sample is collected in a groundwater well.
With respect to the related art in the above, there are the following drawbacks: the underground water sample is more complicated to collect, and the collection period is greatly prolonged.
Disclosure of Invention
In order to accelerate the collection speed of the underground water horizontal sample, the application improves the underground water pollutant extraction device.
The application aims to improve a groundwater pollutant extracting device, which adopts the following technical scheme:
the groundwater pollutant extracting device comprises an extracting body, wherein one side of the extracting body is provided with a lifting mechanism, and the lifting mechanism is provided with a drill rod and a driving piece for driving the drill rod to rotate; the bottom end of the drill rod is fixedly connected with a drill bit; an electronic detection assembly is arranged in the drill rod and is used for detecting the content and components of pollutants in underground water to obtain pollution signals; the water sample extraction assembly is arranged outside the drill rod and is in communication connection with the electronic detection assembly, and the water sample extraction assembly is used for extracting a water sample in response to a pollution signal.
By adopting the technical scheme, the water sample extraction assembly and the electronic detection assembly are fixed on the drill rod, and the underground water at the drilling position can be detected in the process of drilling the ground by the drill bit so as to judge whether pollutants exist in the underground water; meanwhile, the water sample is extracted when the existence of the pollutant in the underground water is detected, so that the extracted water sample is a truly parallel sample, the problem that the concentration difference of the pollutant in the underground water exists due to different underground water sample collection is effectively solved, and the collection speed of the underground water sample is accelerated.
Optionally, the water sample extraction assembly comprises a water sample temporary storage, the water sample temporary storage is sleeved outside the drill rod, and a plurality of water sample collection tubes are arranged on the water sample temporary storage; the water sample extraction device is characterized in that a water sample extraction pipe communicated with the water sample temporary storage device is arranged on the extraction body, and a pump is arranged on the water sample extraction pipe and is in communication connection with the electronic detection assembly.
Through adopting above-mentioned technical scheme, the pump can be to the water sample of drilling rod department extraction, and many water samples collection pipe can carry out many water samples around the drilling rod and extract, and the many water samples of being convenient for mix in the water sample temporary storage, realize that a plurality of parallel appearance gather simultaneously.
Optionally, the drill rod comprises a first rod and a second rod, one end of the first rod is fixedly connected to the driving member, and the other end of the first rod is fixedly connected with a threaded rod; one end of the second rod is provided with a thread groove in threaded fit with the threaded rod, and the other end of the second rod is fixedly connected to the drill bit; and an accommodating groove for placing the electronic detection component is formed in the second rod, and the accommodating groove is communicated with the thread groove.
By adopting the technical scheme, the threaded rod is matched with the threaded groove, so that the first rod and the second rod are detachably connected; when the electronic detection component needs to be replaced, the second rod is detached from the first rod, and the electronic detection component is taken out of the thread groove conveniently.
Optionally, the water sample temporary storage device comprises a first circulator and a second circulator, the end face of the first circulator facing the second circulator is fixedly connected with an annular strip, and the end face of the second circulator is provided with a rotary groove in sliding fit with the annular strip; the water sample collecting pipe is communicated with the first circulator, and the water sample extracting pipe is communicated with the second circulator; the first positioning block is fixedly connected to the circumferential surface of the first rod, the second positioning block is fixedly connected to the circumferential surface of the second rod, and the positioning groove matched with the first positioning block and the second positioning block in an inserting mode is formed in the inner side wall of the first circulator.
By adopting the technical scheme, the positioning groove is in plug-in fit with the first positioning block and the second positioning block, so that the first circulator can be fixed on the drill rod, and can rotate along with the drill rod; simultaneously, can avoid first pole and second pole to take place relative rotation to avoid second pole and drill bit to drop from first pole the condition. The second circulator can rotate on the first circulator through the matching of the annular strip and the rotating groove, namely the second circulator does not rotate relative to the hole, so that the rotation of the drill rod is not influenced by the existence of the water sample extraction pipe; meanwhile, the water samples at a plurality of positions enter the cavity formed by the first circulator and the second circulator, and the second circulator rotates relative to the first circulator, so that the water samples at the plurality of positions can be uniformly mixed in the cavity.
Optionally, the inside wall fixedly connected with sealing washer of second circulator, the sealing washer is located the junction of first pole and second pole.
Through adopting above-mentioned technical scheme, the sealing washer can reduce water and get into the holding tank from the junction of first pole and second pole to reduce the condition that the damage appears in the electron detection subassembly.
Optionally, a plurality of uniformly distributed rotating blades are arranged in the second circulator.
Through adopting above-mentioned technical scheme, rotating vane can stir the water sample in first circulator and the second circulator to make the water sample in the cavity mix more evenly.
Optionally, a control valve is arranged on the water sample collection tube, and the control valve is in communication connection with the electronic detection assembly.
By adopting the technical scheme, the control valve can control the opening and closing of the water sample collecting pipe, so that water is prevented from entering the water sample temporary storage device when sampling is not performed, and the water sample collecting precision is higher.
Optionally, the lifting mechanism is provided with an annular water pipe, and the inner side wall of the annular water pipe is provided with a plurality of evenly distributed spray heads.
Through adopting above-mentioned technical scheme, annular water pipe and shower nozzle cooperate, can wash the surface of drilling rod, water sample temporary storage and drill bit to extension drilling rod, water sample temporary storage and drill bit's life.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the water sample extraction assembly and the electronic detection assembly are fixed on the drill rod, and in the process of drilling the ground by the drill bit, the underground water at the drilling position can be detected to judge whether pollutants exist in the underground water; meanwhile, the water sample is extracted when the existence of the pollutants in the underground water is detected, so that the extracted water sample is a truly parallel sample, the problem that the concentration difference of the pollutants in the underground water exists due to different underground water parallel sample collection is effectively solved, and the collection speed of the underground water parallel sample is increased;
2. the positioning groove is in plug-in fit with the first positioning block and the second positioning block, so that the first circulator can be fixed on the drill rod, and can rotate along with the drill rod; simultaneously, can avoid first pole and second pole to take place relative rotation to avoid second pole and drill bit to drop from first pole the condition. The second circulator can rotate on the first circulator through the matching of the annular strip and the rotating groove, namely the second circulator does not rotate relative to the hole, so that the rotation of the drill rod is not influenced by the existence of the water sample extraction pipe; meanwhile, the water samples at a plurality of positions enter the cavity formed by the first circulator and the second circulator, and the second circulator rotates relative to the first circulator, so that the water samples at the plurality of positions can be uniformly mixed in the cavity.
Drawings
FIG. 1 is a schematic view of a groundwater contaminant extraction device according to an embodiment of the application;
FIG. 2 is a partial cross-sectional view of an embodiment of the present application, primarily for illustrating the connection of a drill pipe to a water sample extraction assembly;
fig. 3 is an enlarged view of a portion a in fig. 2.
Reference numerals illustrate: 1. extracting the body; 2. a lifting mechanism; 201. a lifting frame; 202. a sliding seat; 203. a power member; 3. a drill rod; 31. a first lever; 32. a second lever; 4. a driving member; 5. a drill bit; 6. an electronic detection assembly; 7. a water sample extraction assembly; 71. a water sample temporary storage; 72. a water sample collection tube; 73. a water sample extraction pipe; 74. a pump; 8. a threaded rod; 9. a thread groove; 10. a receiving groove; 11. a first circulator; 12. a second circulator; 13. an annular strip; 14. a rotary groove; 15. a first positioning block; 16. a second positioning block; 17. a positioning groove; 18. a seal ring; 19. rotating the blades; 20. a control valve; 21. an annular water pipe; 22. a spray head; 23. a water tank; 24. a track; 25. a water inlet; 26. a guide rod; 27. a power gear; 28. and (5) a power chain.
Description of the embodiments
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings 1-3 and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The embodiment of the application discloses a groundwater pollutant extraction device. Referring to fig. 1, the extraction device includes an extraction body 1, a crawler 24 is installed at the bottom of the extraction body 1, and a water tank 23 is installed at the top of the extraction body 1. Wherein the water tank 23 is a hollow cuboid, and the top end of the water tank 23 is provided with a water inlet 25. The fresh water can be supplemented into the water tank 23 through the water inlet 25, and the movement of the extraction body 1 can be more convenient through the crawler belt 24.
Referring to fig. 1, the extraction device further includes a lifting mechanism 2, the lifting mechanism 2 includes a lifting frame 201, a sliding seat 202 and a power member 203, the lifting frame 201 is disposed along a vertical direction, and a bottom end of the lifting frame 201 is fixedly connected to the extraction body 1 by a bolt. The side of crane 201 fixedly connected with two guide bars 26, two guide bars 26 set up along vertical direction, and slide seat 202 slides and connects on two guide bars 26, and the side at crane 201 is connected in the slide seat 202 that slides promptly.
The power piece 203 is a power motor, and the power motor is fixed at the top end of the lifting frame 201 by a screw; one side of the lifting frame 201 is rotatably connected with two power gears 27, and one power gear 27 is fixed on an output shaft of a power motor in a key connection manner; the two power gears 27 are sleeved with a power chain 28, the power chain 28 is respectively meshed with the two power gears 27, and the power chain 28 is fixedly connected with a sliding seat 202; i.e. the power member 203 is fixedly connected to the lifting frame 201 to drive the sliding seat 202 to move up and down. The guide rod 26 can play a role in guiding the movement of the sliding seat 202; the power motor is started to rotate the power gear 27, and then the power chain 28 drives the sliding seat 202 to move up and down.
Referring to fig. 1, in order to drill a hole on the ground, a drill rod 3 and an actuating member 4 for actuating the drill rod 3 to rotate are installed at one side of a lifting frame 201, the actuating member 4 is an actuating motor, and the actuating motor is fixed on a sliding seat 202 by bolts; i.e. the driving member 4 is fixedly connected to the sliding seat 202 for driving the drill rod 3 to rotate. The drill rod 3 is a round rod, the top end of the drill rod 3 is fixed on an output shaft of the driving motor in a key connection mode, and the bottom end of the drill rod 3 is fixed with a drill bit 5 in a welding mode; the drill bit 5 is in a truncated cone shape, the diameter of the top end of the drill bit 5 is larger than that of the bottom end of the drill bit 5, and the diameter of the top end of the drill bit 5 is larger than that of the drill rod 3.
Referring to fig. 1 and 2, in order to facilitate replacement of the drill bit 3, the drill rod 3 includes a first rod 31 and a second rod 32, and one end of the first rod 31 is fixed to an output shaft of the driving motor in a keyed manner; one end of the second rod 32 is fixed to the drill bit 5 by welding. The other end integrated into one piece of first pole 31 has threaded rod 8, and thread groove 9 has been seted up to the other end of second pole 32, thread groove 9 and threaded rod 8 screw-thread fit. Through threaded rod 8 and thread groove 9 matched with for first pole 31 and second pole 32 can dismantle the connection, be convenient for change drill bit 3 on the second pole 32.
Referring to fig. 1 and 2, in order to better detect the content and composition of pollutants in groundwater, an electronic detection assembly 6 is installed in the second rod 32, a containing groove 10 is formed in the second rod 32, and the containing groove 10 is used for placing the electronic detection assembly 6; the receiving groove 10 communicates with the screw groove 9. When the electronic detection component 6 needs to be replaced, the second rod 32 is detached from the first rod 31, so that the electronic detection component 6 can be taken out of the thread groove 9 conveniently. It should be noted that, the electronic detection assembly 6 is only required to use the existing groundwater pollutant detecting instrument, which belongs to the prior art, and will not be described in more detail.
Referring to fig. 1 and 2, in order to extract a water sample, a water sample extraction assembly 7 is installed outside the drill pipe 3, and the water sample extraction assembly 7 includes a water sample temporary storage 71, a water sample collection pipe 72, a water sample extraction pipe 73, and an extraction pump 74. Wherein, the water sample temporary storage 71 is sleeved outside the first rod 31, and the outer diameter of the water sample temporary storage 71 is smaller than the diameter of the top end of the drill bit 5; the plurality of water sample collecting pipes 72 are uniformly distributed on the lower surface of the water sample temporary storage 71, and the water sample collecting pipes 72 are communicated with the bottom end of the water sample temporary storage 71; the water sample extracting pipe 73 is provided with one water sample extracting pipe 73, and the water sample extracting pipe 73 is communicated with the top end of the water sample temporary storage 71; the pump 74 is fixed on the pump body 1, and the pump 74 is communicated with one end of the water sample extracting pipe 73 far away from the water sample temporary storage 71, and a water outlet pipe (not shown) is communicated with the pump 74.
It should be noted that, the controller of the pump 74 is communicatively connected to the electronic detection assembly 6, and the controller of the pump 74 is used for pumping the water sample in response to the pollution signal; i.e. the water sample extraction assembly 7 is in communication with the electronic detection assembly 6, the water sample extraction assembly 7 being adapted to extract a water sample in response to a pollution signal. The water samples at the drill rod 3 can be extracted through the extraction pump 74, the water samples at the periphery of the drill rod 3 can be extracted through the water sample collecting pipes 72, so that the water samples at the periphery of the drill rod 3 are convenient to mix in the water sample temporary storage 71, and the parallel samples are collected simultaneously.
Referring to fig. 1 and 2, to reduce the automatic entry of groundwater in the borehole into the water sample registers 71, each water sample collection tube 72 has a control valve 20 mounted thereon, the control valve 20 being in communication with the electronic detection assembly 6. The control valve 20 can control the opening and closing of the water sample collection tube 72, so that water is prevented from entering the water sample temporary storage 71 when the water sample is not sampled, and the collection precision of the water sample is higher.
Referring to fig. 1 and 2, in order to extend the service lives of the drill pipe 3, the water sample temporary storage 71 and the drill bit 5, an annular water pipe 21 is fixed to one side of the lifting frame 201 in a welded manner, a water pipe (not shown) is communicated between the annular water pipe 21 and the water tank 23, and a water pump (not shown) is installed in the water tank 23 and is installed on the water pipe. The annular water pipe 21 is provided with a plurality of spray heads 22, the spray heads 22 are uniformly distributed on the inner side wall of the annular water pipe 21, and the water outlets of the spray heads 22 face the drill rod 3. The clean water in the water tank 23 is conveyed to the spray head 22 by starting the water conveying pump, so that the outer surfaces of the drill rod 3, the water sample temporary storage 71 and the drill bit 5 can be washed, and the service lives of the drill rod 3, the water sample temporary storage 71 and the drill bit 5 are prolonged.
Referring to fig. 2 and 3, in order to reduce the rotation of the water sample extraction pipe 73 along with the drill pipe 3, the water sample temporary storage 71 comprises a first circulator 11 and a second circulator 12, an annular strip 13 is integrally formed on the end surface of the first circulator 11 facing the second circulator 12, a rotary groove 14 is formed on the end surface of the second circulator 12, and the rotary groove 14 is in sliding fit with the annular strip 13. The upper surface of the first circulator 11 and the lower surface of the second circulator 12 are provided with annular grooves, and the annular grooves of the first circulator 11 and the annular grooves of the second circulator 12 are spliced into an inner wall cavity of the water sample temporary storage 71; the water sample collection tube 72 communicates with the annular groove of the first circulator 11, and the water sample collection tube 73 communicates with the annular groove of the second circulator 12.
It should be noted that, by the cooperation of the annular strip 13 and the rotating groove 14, the second circulator 12 can rotate on the first circulator 11, that is, the second circulator 12 does not rotate relative to the hole, but the first circulator 11 can rotate along with the first rod 31; so that the presence of the water sample extraction tube 73 does not affect the rotation of the drill pipe 3.
Referring to fig. 2 and 3, in order to prevent the second rod 32 from falling off the first rod 31, the first positioning block 15 is integrally formed on the circumferential surface of the first rod 31, the second positioning block 16 is integrally formed on the circumferential surface of the second rod 32, and the positioning groove 17 is formed on the inner side wall of the first circulator 11. When the first positioning block 15 is aligned with the second positioning block 16, the positioning groove 17 can be in plug-in fit with the first positioning block 15 and the second positioning block 16.
It should be noted that, the positioning groove 17 is in plug-in fit with the first positioning block 15 and the second positioning block 16, so that the first circulator 11 can be fixed on the drill rod 3, and the first circulator 11 can rotate along with the drill rod 3; at the same time, the first rod 31 and the second rod 32 are prevented from rotating relatively, and the second rod 32 and the drill bit 5 are prevented from falling off the first rod 31. The water samples at a plurality of positions enter the cavity formed by the first circulator 11 and the second circulator 12, and the second circulator 12 rotates relative to the first circulator 11, so that the water samples at a plurality of positions can be uniformly mixed in the cavity.
Referring to fig. 2 and 3, in order to make the water samples in the water sample temporary storage 71 more uniformly mixed, the rotary blades 19 are installed in the annular groove of the second circulator 12, and the plurality of rotary blades 19 are uniformly fixed in the annular groove of the second circulator 12 by welding. The inner side wall of the first circulator 11 is fixed with a sealing ring 18 by adopting strong glue, and the sealing ring 18 is positioned at the joint of the first rod 31 and the second rod 32. The water samples in the first circulator 11 and the second circulator 12 can be stirred through the rotary blades 19, so that the water samples in the cavities of the water sample temporary storage 71 are uniformly mixed; the sealing ring 18 can reduce water from entering the accommodating groove 10 from the joint of the first rod 31 and the second rod 32, thereby reducing the damage condition of the electronic detection assembly 6.
The embodiment of the application provides an implementation principle of a groundwater pollutant extraction device, which comprises the following steps: the water sample extraction assembly 7 and the electronic detection assembly 6 are fixed on the drill rod 3, and in the process of drilling the ground by the drill bit 5, the underground water at the drilling position can be detected to judge whether pollutants exist in the underground water; meanwhile, the water sample is extracted when the existence of the pollutant in the underground water is detected, so that the extracted water sample is a truly parallel sample, the problem that the concentration difference of the pollutant in the underground water exists due to different underground water sample collection is effectively solved, and the collection speed of the underground water sample is accelerated.
The foregoing description of the preferred embodiments of the application is not intended to limit the scope of the application in any way, including the abstract and drawings, in which case any feature disclosed in this specification (including abstract and drawings) may be replaced by alternative features serving the same, equivalent purpose, unless expressly stated otherwise. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (5)
1. The underground water pollutant extracting device comprises an extracting body (1), wherein a lifting mechanism (2) is arranged on one side of the extracting body (1), and a drill rod (3) and a driving piece (4) for driving the drill rod (3) to rotate are arranged on the lifting mechanism (2); the bottom end of the drill rod (3) is fixedly connected with a drill bit (5), and is characterized in that an electronic detection assembly (6) is arranged in the drill rod (3), and the electronic detection assembly (6) is used for detecting the content and components of pollutants in underground water to obtain pollution signals; a water sample extraction assembly (7) is arranged outside the drill rod (3), the water sample extraction assembly (7) is in communication connection with the electronic detection assembly (6), and the water sample extraction assembly (7) is used for extracting a water sample in response to a pollution signal; the water sample extraction assembly (7) comprises a water sample temporary storage (71), the water sample temporary storage (71) is sleeved outside the drill rod (3), and a plurality of water sample collecting pipes (72) are arranged on the water sample temporary storage (71); a water sample extraction pipe (73) communicated with the water sample temporary storage device (71) is arranged on the extraction body (1), an extraction pump (74) is arranged on the water sample extraction pipe (73), and the extraction pump (74) is in communication connection with the electronic detection assembly (6); the drill rod (3) comprises a first rod (31) and a second rod (32), one end of the first rod (31) is fixedly connected to the driving piece (4), and the other end of the first rod (31) is fixedly connected with a threaded rod (8); one end of the second rod (32) is provided with a thread groove (9) in threaded fit with the threaded rod (8), and the other end of the second rod (32) is fixedly connected to the drill bit (5); an accommodating groove (10) for placing the electronic detection assembly (6) is formed in the second rod (32), and the accommodating groove (10) is communicated with the thread groove (9); the water sample temporary storage device (71) comprises a first circulator (11) and a second circulator (12), wherein an annular strip (13) is fixedly connected to the end face of the first circulator (11) facing the second circulator (12), and a rotary groove (14) in sliding fit with the annular strip (13) is formed in the end face of the second circulator (12); the water sample collecting pipe (72) is communicated with the first circulator (11), and the water sample extracting pipe (73) is communicated with the second circulator (12); the first positioning block (15) is fixedly connected to the circumferential surface of the first rod (31), the second positioning block (16) is fixedly connected to the circumferential surface of the second rod (32), and the positioning groove (17) in plug-in fit with the first positioning block (15) and the second positioning block (16) is formed in the inner side wall of the first circulator (11).
2. Groundwater pollutant extraction device according to claim 1, characterized in that the inner side wall of the second circulator (12) is fixedly connected with a sealing ring (18), the sealing ring (18) being located at the junction of the first rod (31) and the second rod (32).
3. Groundwater pollutant extraction device according to claim 1, characterized in that a plurality of uniformly distributed rotating blades (19) are provided in the second circulator (12).
4. Groundwater contaminant extraction device according to claim 1, characterized in that the water sampling tube (72) is provided with a control valve (20), the control valve (20) being in communication with the electronic detection assembly (6).
5. Groundwater pollutant extracting device according to claim 1, characterized in that the lifting mechanism (2) is provided with an annular water pipe (21), the inner side wall of the annular water pipe (21) is provided with a plurality of evenly distributed spray heads (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310999903.4A CN116735279B (en) | 2023-08-10 | 2023-08-10 | Groundwater pollutant extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310999903.4A CN116735279B (en) | 2023-08-10 | 2023-08-10 | Groundwater pollutant extraction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116735279A CN116735279A (en) | 2023-09-12 |
| CN116735279B true CN116735279B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310999903.4A Active CN116735279B (en) | 2023-08-10 | 2023-08-10 | Groundwater pollutant extraction device |
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| CN (1) | CN116735279B (en) |
Citations (14)
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