CN112964503A - Underground water leaching solution collecting and analyzing integrated device and collecting and analyzing method - Google Patents
Underground water leaching solution collecting and analyzing integrated device and collecting and analyzing method Download PDFInfo
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Abstract
The invention discloses an underground water leachate collecting and analyzing integrated device and a collecting and analyzing method, wherein the device comprises a leaching water sample collecting component, a collecting component and an analyzing component; the eluviation water sample collection assembly comprises a water storage barrel and a positioning rod, a liquid level sensor is arranged in the water storage barrel, water inlet grooves are formed in the side walls of the water storage barrel, the positioning rod is arranged on the side face of the water storage barrel, the collection assembly comprises a collection box, a rotating frame, a sampling pipe and a stepping motor, the rotating frame is rotatably clamped in the collection box, a sampling bottle is arranged on the rotating frame, the sampling pipe is arranged in the collection box and is communicated with the water storage barrel, and the analysis assembly is connected with the sampling bottle; when the device is used, the water storage cylinder is buried underground and fixed through the positioning rod, a eluviated water sample collected in the water storage cylinder enters the sampling bottle through a pipeline, and the eluviated water sample in the sampling bottle is detected and analyzed through the analysis assembly; the device has reasonable structural design, can realize continuous collection and analysis of water samples at different depths, and is suitable for mass popularization.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to an underground water leaching solution collecting and analyzing integrated device and a collecting and analyzing method.
Background
With the development of intensive agriculture with high input and high output, the influence of agricultural non-point source pollution on the environment is increasingly prominent, and the problem of agricultural non-point source pollution becomes the primary problem influencing soil and water pollution, threatening the quality safety of agricultural products and hindering the sustainable development of agriculture. Due to the lack of scientific agricultural management, in agricultural production, the use amount of chemical fertilizers, pesticides and water resources is high, the utilization rate is low, soil resource loss and pollution are serious, and agricultural resource waste and degradation are serious.
The underground eluviation is an initiator and a main carrier in the processes of non-point source pollution, water and soil loss, nutrient loss, migration of pollutants and nutrients in soil and the like, and refers to the process that part of components in the surface layer of the soil enter water and are taken away along with the water by the actions of dissolution, hydration, hydrolysis, carbonation and the like of underground water; research shows that about 30-50% of fertilizer applied in soil enters underground water through soil leaching loss, and poses threat to ecological environment. Therefore, the research on agricultural non-point source pollution underground eluviation is an important foundation for soil nutrient loss approach and non-point source pollution prevention and control, and in recent years, many researches on the response relation between a rainfall process and underground water flow are made at home and abroad, and underground water eluviation collection is the primary task of underground water source pollution control.
However, in the prior art, although various leaching water sample collecting and analyzing devices have been disclosed, most of the devices separate the collecting and analyzing work of the leaching water sample, so that the collecting and analyzing work of the groundwater leaching solution is complicated, and the work difficulty is increased; on the other hand, the existing device has poor stability in the using process, so that the analysis result is not accurate enough.
Disclosure of Invention
Aiming at the technical problems, the invention provides an underground water leaching solution collecting and analyzing integrated device and a collecting and analyzing method, which can continuously sample and adjust the sampling depth.
The technical scheme of the invention is as follows: an underground water leaching solution collecting and analyzing integrated device comprises a leaching water sample collecting component, a collecting component and an analyzing component; the eluviation water sample collection assembly comprises a water storage barrel and a positioning rod, the water storage barrel comprises a first barrel, a second barrel and a third barrel which are sequentially in threaded connection from top to bottom, liquid level sensors are arranged inside the first barrel, the second barrel and the third barrel, water inlet grooves are formed in the side walls of the first barrel, filter screens are arranged on the water inlet grooves, guide sleeves are arranged inside the first barrel and the third barrel, sliding insertion rods are arranged at the upper end and the lower end of the second barrel, and the second barrel is movably inserted into the guide sleeves inside the first barrel and the third barrel through the sliding insertion rods; the two positioning rods are fixedly arranged on two sides of the first barrel respectively through mounting blocks, and the bottoms of the two positioning rods are provided with tip ends;
the collecting assembly comprises a collecting box, a rotating frame, a sampling pipe and a stepping motor; the collecting box comprises a base and a protective cover, a waste liquid cylinder is arranged at the upper end of the base, the protective cover is movably arranged at the upper end of the base, the rotating frame comprises a hollow pipe and an installation disc, the hollow pipe is arranged in the protective cover, the upper end of the hollow pipe is rotatably clamped with the top in the protective cover, and the lower end of the hollow pipe is rotatably clamped with the waste liquid cylinder and is communicated with the waste liquid cylinder; 3 mounting plates are arranged, the 3 mounting plates are uniformly sleeved on the hollow pipe from top to bottom, 3-5 sampling bottles are uniformly distributed on each mounting plate, the bottom of each sampling bottle is communicated with the hollow pipe through a guide pipe, a first electromagnetic valve is arranged on each guide pipe, and a gear ring is arranged at the edge of each mounting plate; the sampling pipes are provided with 3 groups, the 3 groups of sampling pipes are horizontally arranged in the protective cover and correspond to the positions of the mounting plates, each sampling pipe is respectively connected with the first cylinder, the second cylinder and the third cylinder through hoses, and a second electromagnetic valve and a peristaltic pump are respectively arranged at the joints; the number of the stepping motors is correspondingly consistent with that of the mounting disc, and each stepping motor is respectively arranged on the inner wall of the protective cover and is respectively meshed and connected with the gear ring on the mounting disc through a gear;
the analysis subassembly includes water quality monitoring appearance, controller and computer, and water quality monitoring appearance's monitoring probe quantity corresponds unanimously with the sampling bottle, and sets up respectively inside each sampling bottle to with water quality monitoring appearance wireless connection, controller water quality monitoring appearance, computer, first solenoid valve, second solenoid valve and peristaltic pump electric connection respectively.
Furthermore, a sampling drill bit is arranged at the bottom end of the water storage cylinder, an installation disc is rotatably clamped at the top of the water storage cylinder, a sampling motor is arranged at the top of the installation disc, and an output shaft of the sampling motor penetrates through the installation disc and then is connected with the bottom of the water storage cylinder; when the sample position is located the sandstone region of texture inspection, utilize sample motor and sample drill bit to help the water storage section of thick bamboo to get into the underground smoothly, be convenient for go on smoothly of sampling work.
Furthermore, the outside joint that rotates of mounting disc has the rotary sleeve, and the locating lever passes through the installation piece to be connected with the rotary sleeve, through setting up the rotary sleeve, is convenient for adjust the direction of a water storage section of thick bamboo under the fixed condition of locating lever to the groundwater of being convenient for drenches the solution and gets into in the water storage section of thick bamboo through the intake chamber.
Further, one side that the protection casing is relative with the sampling pipe is provided with the scavenge pipe, and the scavenge pipe sets up with the sampling pipe symmetry, is provided with the third solenoid valve on each scavenge pipe respectively, and all is connected with external cleaning liquid through house steward, utilizes the scavenge pipe to wash the sampling bottle after using, avoids remaining pollutant on the sampling bottle to produce the influence to the eluviation water sample monitoring analysis result of next collection to improve the accuracy of groundwater eluviation analysis result.
Further, a maintenance assembly is arranged on the water storage cylinder and comprises two micro driving motors, two connecting rotating shafts, a device box and a cleaning brush plate, the two micro driving motors are respectively arranged at the bottom of the mounting plate, the device box and the cleaning brush plate are respectively provided with 3 groups, each group of device box is respectively movably sleeved on the first cylinder body, the second cylinder body and the third cylinder body, each cleaning brush plate is respectively and rotatably clamped inside each device box and corresponds to the position of the filter screen, the bottom of the cleaning brush plate is sleeved with a fluted disc, the two connecting rotating shafts are respectively and vertically arranged at two sides inside the mounting plate and sequentially penetrate through each device box, a driving gear is respectively arranged at the joint of each connecting rotating shaft and each device box and is meshed with the fluted disc, and sliding sleeves are respectively sleeved on the connecting rotating shafts between the first cylinder body, the second cylinder body and the third cylinder body, two miniature driving motor provide power for two connection pivots through the belt respectively, maintain the subassembly through setting up, through the start-up of controller control miniature driving motor, drive two and connect the pivot and rotate, utilize and connect the epaxial drive gear drive clearance brush board rotation of commentaries on classics, clear up the maintenance to the surface that corresponds the filter screen on first barrel, second barrel and the third barrel to the continuous of guarantee eluviation water sample collection work goes on.
Further, sampling bottle upper end is provided with the collecting hopper, and threaded connection between sampling bottle and the mounting disc through setting up the collecting hopper, is convenient for eluviation water sample and washing liquid get into the sampling bottle smoothly, and threaded connection's sampling bottle is convenient for change.
Furthermore, scale marks are arranged on the positioning rod, and the depth of the water storage cylinder entering the underground is convenient to confirm by arranging the scale marks on the positioning rod, so that the leaching water sample collection depth is convenient to determine.
Furthermore, the leaching water sample collecting assembly is provided with the protective coating made of the ABS material, and through the arrangement of protective soil, the leaching water sample collecting assembly is prevented from being buried underground for a long time and being corroded and damaged, and the use reliability of the device is improved.
A method for collecting and analyzing underground water leaching solution comprises the following steps:
s1, connecting each electric device of the device with an external power supply, disconnecting the joints of the first cylinder, the second cylinder and the third cylinder, and adjusting the sliding length of the sliding inserted bar on the guide sleeve as required, thereby achieving the purpose of collecting water samples leached at different depths; the sampling drill bit is driven to rotate by the sampling motor, so that the first cylinder, the second cylinder and the third cylinder enter the ground and are fixed by the positioning rod;
s2, through first barrel, the eluviation water sample of the different degree of depth is collected respectively to the intake antrum on second barrel and the third barrel, when first barrel, the level sensor that corresponds respectively in second barrel and the third barrel reachs when setting for the liquid level in the eluviation water sample, the corresponding second solenoid valve of controller control and peristaltic pump are dissolved, the eluviation water sample gets into the sampling bottle through the sampling pipe that corresponds, pollutant content and kind in the water sample are surveyed to the monitoring probe who utilizes the water quality monitoring appearance of setting for in the sampling bottle, and a monitoring result feeds back to the computer and takes notes.
S3, after the water sample in the corresponding sampling bottle on one mounting disc is monitored, the controller controls the first electromagnetic valve to be opened, the water sample is released into the waste liquid cylinder through the hollow pipe, and controls the stepping motor to drive the mounting disc to rotate for a certain angle, so that the next sampling bottle on the mounting disc rotates to a position corresponding to the position of the sampling pipe, meanwhile, the controller controls the third electromagnetic valve to be opened, the sampling bottle with the water sample removed is cleaned through the cleaning pipe, and the cleaning waste liquid finally enters the waste liquid cylinder;
s4, repeating the operation of the step S2 to realize continuous collection and analysis of the eluviated water samples of different depths;
s5, after the device runs for a certain period, the controller controls the micro driving motor to start to drive the two connecting rotating shafts to rotate, the driving gear on the connecting rotating shafts is used for driving the cleaning brush plate to rotate, and the surfaces of the first cylinder, the second cylinder and the third cylinder, which correspond to the filter screens, are cleaned and maintained to ensure the continuous operation of leaching water sample collection.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structural design, and the three movably connected water sample collecting cylinders can freely move in the vertical direction, thereby being convenient for separately collecting underground water samples at different depths, improving the reliability and diversity of sampling data and providing reliable theoretical basis for underground water pollution treatment; the device can realize continuous sampling by arranging three groups of sampling bottles with the same structure, can independently collect and analyze eluvial water samples of different depths and switching the sampling bottles through the stepping motor, and can automatically run after the setting of the integrated device is finished, thereby greatly simplifying the collection and analysis work of the eluvial water samples, reducing the working strength and improving the working efficiency; fix a water storage section of thick bamboo through setting up the locating lever, avoided the dewatering section of thick bamboo long term to place in soil and produce the offset, ensure that groundwater leachate can get into in the water storage section of thick bamboo, thereby the reliability of device has been improved, maintain the subassembly through setting up, utilize miniature driving motor to start to drive two connection pivots and rotate, utilize the epaxial drive gear of connection pivot to drive the clearance brush board and rotate, to first barrel, the surface that corresponds the filter screen on second barrel and the third barrel is cleared up and is maintained, in order to ensure going on in succession of eluviation water sample collection work.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the first, second and third barrels of the present invention after separation;
FIG. 3 is a schematic view of the attachment of the rotating frame to the shield of the present invention;
FIG. 4 is a schematic view of the connection of the maintenance assembly of the present invention to the cartridge;
FIG. 5 is an enlarged schematic view at A of FIG. 4 of the present invention;
FIG. 6 is a schematic view of the connection of the cleaning brush plate of the present invention to the water storage tank;
FIG. 7 is a schematic view of the connection of the micro-drive motor of the present invention to the mounting plate;
wherein, 1-eluviation water sample collection component, 10-water storage cylinder, 100-first cylinder, 101-second cylinder, 102-third cylinder, 103-liquid level sensor, 104-water inlet tank, 1040-filter screen, 105-guide sleeve, 106-sliding inserted rod, 107-sampling drill bit, 108-mounting disk, 1080-rotating sleeve, 109-sampling motor, 11-positioning rod, 110-mounting block, 111-tip, 2-collection component, 20-collection box, 200-base, 201-protective cover, 202-waste liquid cylinder, 21-rotating frame, 210-hollow tube, 211-mounting disk, 212-sampling bottle, 2120-first electromagnetic valve, 2121-collecting bucket, 22-sampling tube, 220-second electromagnetic valve, 21-collecting bucket, 22-sampling tube, 221-peristaltic pump, 23-stepping motor, 24-cleaning tube, 240-third electromagnetic valve, 241-manifold, 3-analysis component, 30-water quality monitor, 31-controller, 32-computer host, 4-maintenance component, 40-micro driving motor, 41-connecting rotating shaft, 410-driving gear, 411-sliding sleeve, 42-device box, 43-cleaning brush plate and 430-fluted disc.
Detailed Description
Example (b): as shown in fig. 1, 2 and 3, the integrated device for collecting and analyzing the underground water leaching solution comprises a leaching water sample collecting component 1, a collecting component 2 and an analyzing component 3; the protective coating made of ABS material is arranged on the eluviated water sample collecting component 1, and through arranging protective soil, the eluviated water sample collecting component 1 is prevented from being buried underground for a long time and being corroded and damaged, and the use reliability of the device is improved; the eluviation water sample collection assembly 1 comprises a water storage barrel 10 and a positioning rod 11, wherein the water storage barrel 10 comprises a first barrel 100, a second barrel 101 and a third barrel 102 which are sequentially in threaded connection from top to bottom, liquid level sensors 103 are arranged inside the first barrel 100, the second barrel 101 and the third barrel 102, water inlet grooves 104 are formed in the side walls of the first barrel 100, the second barrel 101 and the third barrel 102, filter screens 1040 are arranged on the water inlet grooves 104, guide sleeves 105 are arranged inside the first barrel 100 and the third barrel 102, sliding insertion rods 106 are arranged at the upper end and the lower end of the second barrel 101, and the second barrel 101 is movably inserted into the guide sleeves 105 inside the first barrel 100 and the third barrel 102 through the sliding insertion rods 106; two positioning rods 11 are arranged, the two positioning rods 11 are fixedly arranged on two sides of the first barrel 100 through mounting blocks 110 respectively, and the bottoms of the two positioning rods 11 are provided with tip ends 111; the positioning rod 11 is provided with a scale mark, and the depth of the water storage cylinder 1 entering the underground is convenient to confirm by arranging the scale mark on the positioning rod 11, so that the collection depth of the eluvial water sample is convenient to determine; a sampling drill 107 is arranged at the bottom end of the water storage cylinder 10, a mounting disc 108 is rotatably clamped at the top, a sampling motor 109 is arranged at the top of the mounting disc 108, and an output shaft of the sampling motor 109 penetrates through the mounting disc 108 and then is connected with the bottom of the water storage cylinder 10; when the sampling position is in the sandstone area of the texture inspection, the sampling motor 109 and the sampling drill 107 are utilized to help the water storage cylinder 10 to smoothly enter the underground, so that the sampling work is smoothly carried out; a rotary sleeve 1080 is rotatably clamped outside the mounting disc 108, the positioning rod 11 is connected with the rotary sleeve 1080 through a mounting block 110, and the direction of the water storage cylinder 10 can be conveniently adjusted under the condition that the positioning rod 11 is fixed by the rotary sleeve 1080, so that the underground water leaching solution can conveniently enter the water storage cylinder 10 through the water inlet groove 104;
as shown in fig. 1 and 3, the collection assembly 2 comprises a collection box 20, a rotary frame 21, a sampling tube 22 and a stepping motor 23; the collection box 20 comprises a base 200 and a protective cover 201, the upper end of the base 200 is provided with a waste liquid cylinder 202, the protective cover 201 is movably arranged at the upper end of the base 200, the rotating frame 21 comprises a hollow pipe 210 and an installation disc 211, the hollow pipe 210 is arranged in the protective cover 201, the upper end of the hollow pipe 210 is rotatably clamped with the top in the protective cover 201, and the lower end of the hollow pipe is rotatably clamped with the waste liquid cylinder 202 and is communicated with the waste liquid cylinder; 3 mounting discs 211 are arranged, the 3 mounting discs 211 are uniformly sleeved on the hollow tube 210 from top to bottom, 4 sampling bottles 212 are uniformly distributed on each mounting disc 211, the bottoms of the sampling bottles 212 are communicated with the hollow tube 210 through guide tubes, first electromagnetic valves 2120 are arranged on the guide tubes, liquid collecting hoppers 2121 are arranged at the upper ends of the sampling bottles 212, the sampling bottles 212 are in threaded connection with the mounting discs 211, a eluviation water sample and a cleaning liquid can conveniently enter the sampling bottles 212 smoothly through the arrangement of the liquid collecting hoppers 2121, and the sampling bottles 212 in threaded connection are convenient to replace; the edge of each mounting disc 211 is provided with a gear ring; the sampling pipes 22 are provided with 3 groups, the 3 groups of sampling pipes 22 are horizontally arranged in the protective cover 201 and correspond to the positions of the mounting discs 211, each sampling pipe 22 is connected with the first cylinder 100, the second cylinder 101 and the third cylinder 102 through hoses, and the joints are provided with a second electromagnetic valve 220 and a peristaltic pump 221 respectively; the number of the stepping motors 23 is correspondingly consistent with that of the mounting disc 211, and each stepping motor 23 is respectively arranged on the inner wall of the protective cover 201 and is respectively meshed and connected with the gear ring on the mounting disc 211 through a gear; the cleaning pipes 24 are arranged on one side, opposite to the sampling pipe 22, of the protective cover 201, the cleaning pipes 24 and the sampling pipe 22 are symmetrically arranged, each cleaning pipe 24 is provided with a third electromagnetic valve 240 respectively and is connected with external cleaning liquid through a header pipe 241, the cleaning pipes 24 are used for cleaning the used sampling bottle 212, the influence of pollutants remained on the sampling bottle 212 on the monitoring and analysis result of the leaching water sample collected next time is avoided, and therefore the accuracy of the analysis result of the underground water leaching solution is improved;
as shown in fig. 1, the analysis assembly 3 includes a water quality monitor 30, a controller 31 and a computer host 32, the number of monitoring probes of the water quality monitor 30 is consistent with that of the sampling bottles 212, and the monitoring probes are respectively arranged inside each sampling bottle 212 and are wirelessly connected with the water quality monitor 30, the controller 31 is respectively electrically connected with the water quality monitor 30, the computer host 32, the first electromagnetic valve 2120, the second electromagnetic valve 220 and the peristaltic pump 221, and the water quality monitor 30, the controller 31, the computer host 32, the first electromagnetic valve 2120, the second electromagnetic valve 220 and the peristaltic pump 221 are all commercially available products and are all powered by an external power supply;
as shown in fig. 4, 5, 6 and 7, the water storage cylinder 10 is provided with a maintenance assembly 4, the maintenance assembly 4 includes two micro driving motors 40, two connecting rotating shafts 41, two device boxes 42 and cleaning brush plates 43, the two micro driving motors 40 are respectively arranged at the bottom of the mounting plate 108, the device boxes 42 and the cleaning brush plates 43 are respectively provided with 3 sets, each set of device boxes 42 is respectively movably sleeved on the first cylinder 100, the second cylinder 101 and the third cylinder 102, each cleaning brush plate 43 is respectively rotatably clamped inside each device box 42 and corresponds to the position of the filter screen 1040, the bottom of the cleaning brush plate 43 is sleeved with a fluted disc 430, the two connecting rotating shafts 41 are respectively vertically arranged at two sides inside the mounting plate 108 and sequentially penetrate each device box 42, the connecting rotating shafts 41 and the connecting parts of the device boxes 42 are respectively provided with a driving gear 410, drive gear 410 is connected with the meshing of fluted disc 430, be located first barrel 100, all the cover is equipped with sliding sleeve 411 on the connection pivot 41 between second barrel 101 and the third barrel 102, two miniature driving motor 40 provide power for two connection pivots 41 through the belt respectively, maintain subassembly 4 through setting up, it starts to control miniature driving motor 40 through controller 31, it rotates to drive two connection pivots 41, drive gear 410 on the connection pivot 41 drives clearance brush board 43 and rotates, to first barrel 100, the surface that corresponds filter screen 1040 on second barrel 101 and the third barrel 102 carries out the clearance maintenance, go on in succession with the work of guarantee eluviation water sample collection.
The method for collecting and analyzing the underground water leaching solution by using the device of the embodiment comprises the following steps:
s1, connecting each electric device of the device with an external power supply, disconnecting the joints of the first cylinder 100, the second cylinder 101 and the third cylinder 102, and adjusting the sliding length of the sliding insertion rod 106 on the guide sleeve 105 according to requirements, thereby achieving the purpose of collecting eluviation water samples of different depths; the sampling drill bit 107 is driven to rotate by the sampling motor 109, so that the first cylinder 100, the second cylinder 101 and the third cylinder 102 enter the ground and are fixed by the positioning rod 11;
s2, collect the eluviation water sample of different degree of depth respectively through the intake antrum 104 on first barrel 100, second barrel 101 and the third barrel 102, when the first barrel 100, respectively corresponding level sensor 103 sensing in second barrel 101 and the third barrel 102 drenches when the eluviation water sample reachs the settlement liquid level, controller 31 control corresponding second solenoid valve 220 and peristaltic pump 221 are solved, the eluviation water sample gets into in the sampling bottle 212 through the sampling pipe 22 that corresponds, utilize the monitoring probe of the water quality monitoring appearance 30 of setting for in the sampling bottle 212 to survey pollutant content and kind in the eluviation water sample, and a monitoring result feeds back to computer 32 and takes notes.
S3, after the water sample in the corresponding sampling bottle 212 on one of the mounting discs 211 is monitored, the controller 31 controls the first electromagnetic valve 2120 to open, the water sample is released into the waste liquid cylinder 202 through the hollow tube 210, and controls the stepping motor 23 to drive the mounting disc 211 to rotate by a certain angle, so that the upper and lower sampling bottles 212 on the mounting disc 211 rotate to positions corresponding to the sampling tubes 22, and at the same time, the controller 31 controls the third electromagnetic valve 240 to open, so that the sampling bottles 212 with the water sample removed are cleaned through the cleaning tube 24, and the cleaning waste liquid finally enters the waste liquid cylinder 202;
s4, repeating the operation of the step S2 to realize continuous collection and analysis of the eluviated water samples of different depths;
s5, after the device runs for a certain period, the controller 31 controls the micro driving motor 40 to start, so as to drive the two connecting rotating shafts 41 to rotate, the driving gear 410 on the connecting rotating shaft 41 is used for driving the cleaning brush plate 43 to rotate, and the surfaces of the first cylinder 100, the second cylinder 101 and the third cylinder 102, which correspond to the filter screens 1040, are cleaned and maintained, so as to ensure the continuous operation of the leaching water sample collection.
Claims (10)
1. The integrated device for collecting and analyzing the underground water leaching solution is characterized by comprising a leaching water sample collecting assembly (1), a collecting assembly (2) and an analyzing assembly (3); the eluviation water sample collection assembly (1) comprises a water storage barrel (10) and a positioning rod (11), wherein the water storage barrel (10) comprises a first barrel body (100), a second barrel body (101) and a third barrel body (102) which are sequentially in threaded connection from top to bottom, liquid level sensors (103) are arranged inside the first barrel body (100), the second barrel body (101) and the third barrel body (102), water inlet grooves (104) are formed in the side walls, filter screens (1040) are arranged on the water inlet grooves (104), guide sleeves (105) are arranged inside the first barrel body (100) and the third barrel body (102), sliding insertion rods (106) are arranged at the upper end and the lower end of the second barrel body (101), and the second barrel body (101) is movably inserted into the guide sleeves (105) inside the first barrel body (100) and the third barrel body (102) through the sliding insertion rods (106); two positioning rods (11) are arranged, the two positioning rods (11) are fixedly arranged on two sides of the first barrel (100) through mounting blocks (110), and tips (111) are arranged at the bottoms of the two positioning rods (11);
the collecting assembly (2) comprises a collecting box (20), a rotating frame (21), a sampling pipe (22) and a stepping motor (23); the collecting box (20) comprises a base (200) and a protective cover (201), a waste liquid cylinder (202) is arranged at the upper end of the base (200), the protective cover (201) is movably arranged at the upper end of the base (200), the rotating frame (21) comprises a hollow pipe (210) and a mounting disc (211), the hollow pipe (210) is arranged in the protective cover (201), the upper end of the hollow pipe is rotatably clamped with the inner top of the protective cover (201), and the lower end of the hollow pipe is rotatably clamped with the waste liquid cylinder (202) and is communicated with the waste liquid cylinder; the number of the mounting discs (211) is 3, the 3 mounting discs (211) are uniformly sleeved on the hollow pipe (210) from top to bottom, 3-5 sampling bottles (212) are uniformly distributed on each mounting disc (211), the bottoms of the sampling bottles (212) are communicated with the hollow pipe (210) through guide pipes, first electromagnetic valves (2120) are arranged on the guide pipes, and gear rings are arranged at the edges of the mounting discs (211); the sampling pipes (22) are provided with 3 groups, the 3 groups of sampling pipes (22) are horizontally arranged in the protective cover (201) and correspond to the positions of the mounting discs (211), each sampling pipe (22) is connected with the first cylinder (100), the second cylinder (101) and the third cylinder (102) through hoses, and the joints are provided with a second electromagnetic valve (220) and a peristaltic pump (221); the number of the stepping motors (23) is correspondingly consistent with that of the mounting disc (211), and each stepping motor (23) is arranged on the inner wall of the protective cover (201) and is in meshed connection with the gear ring on the mounting disc (211) through a gear;
analysis subassembly (3) are including water quality monitor (30), controller (31) and computer (32), the monitoring probe quantity of water quality monitor (30) corresponds unanimously with sampling bottle (212), and sets up respectively inside each sampling bottle (212) to with water quality monitor (30) wireless connection, controller (31) water quality monitor (30), computer (32), first solenoid valve (2120), second solenoid valve (220) and peristaltic pump (221) electric connection respectively.
2. The underground water leaching solution collecting and analyzing integrated device according to claim 1, wherein a sampling drill bit (107) is arranged at the bottom end of the water storage cylinder (10), a mounting disc (108) is rotatably clamped at the top of the water storage cylinder, a sampling motor (109) is arranged at the top of the mounting disc (108), and an output shaft of the sampling motor (109) penetrates through the mounting disc (108) and then is connected with the bottom of the water storage cylinder (10).
3. The integrated device for collecting and analyzing the underground water leaching solution as claimed in claim 2, wherein a rotary sleeve (1080) is rotatably clamped outside the mounting disc (108), and the positioning rod (11) is connected with the rotary sleeve (1080) through a mounting block (110).
4. The integrated device for collecting and analyzing the underground water leaching solution according to claim 3, wherein a cleaning pipe (24) is arranged on one side of the protective cover (201) opposite to the sampling pipe (22), the cleaning pipe (24) and the sampling pipe (22) are symmetrically arranged, a third electromagnetic valve (240) is arranged on each cleaning pipe (24), and the cleaning pipes are connected with an external cleaning solution through a header pipe (241).
5. The underground water leaching solution collecting and analyzing integrated device according to claim 4, wherein the water storage cylinder (10) is provided with two maintenance assemblies (4), each maintenance assembly (4) comprises a micro driving motor (40), a connecting rotating shaft (41), two device boxes (42) and two cleaning brush plates (43), the two micro driving motors (40) are respectively arranged at the bottom of the mounting plate (108), the device boxes (42) and the cleaning brush plates (43) are respectively provided with 3 groups, each group of device boxes (42) are respectively movably sleeved on the first cylinder (100), the second cylinder (101) and the third cylinder (102), each cleaning brush plate (43) is respectively and rotatably clamped inside each device box (42) and corresponds to the filter screen (1040), the bottom of each cleaning brush plate (43) is sleeved with a fluted disc (430), connect pivot (41) and be provided with two, connect pivot (41) vertical setting respectively in mounting disc (108) inside both sides for two, and run through each device box (42) in proper order, connect pivot (41) and each device box (42) junction all be provided with drive gear (410), drive gear (410) are connected with fluted disc (430) meshing, are located and all overlap on connecting pivot (41) between first barrel (100), second barrel (101) and third barrel (102) and are equipped with sliding sleeve (411), and two miniature driving motor (40) provide power for two connecting pivot (41) through the belt respectively.
6. The integrated device for collecting and analyzing the underground water leaching solution according to claim 5, wherein a collecting hopper (2121) is arranged at the upper end of the sampling bottle (212), and the sampling bottle (212) is in threaded connection with the mounting disc (211).
7. The integrated device for collecting and analyzing underground water leaching solution according to claim 6, wherein the positioning rod (11) is provided with scale marks.
8. The integrated device for collecting and analyzing the underground water leaching solution according to claim 7, wherein a protective coating made of ABS material is arranged on the leaching water sample collecting component (1).
9. A method for collecting and analyzing groundwater leachate by using the apparatus of any one of claims 1 to 8, comprising the steps of:
s1, connecting each electric device of the device with an external power supply, disconnecting the joints of the first cylinder (100), the second cylinder (101) and the third cylinder (102), and adjusting the sliding length of the sliding inserted bar (106) on the guide sleeve (105) according to needs, thereby achieving the purpose of collecting eluviation water samples of different depths; the sampling drill bit (107) is driven to rotate by the sampling motor (109), so that the first cylinder (100), the second cylinder (101) and the third cylinder (102) enter the ground and are fixed by the positioning rod (11);
s2, collect the eluviation water sample of different degree of depth respectively through intake antrum (104) on first barrel (100), second barrel (101) and third barrel (102), when first barrel (100), respectively corresponding level sensor (103) sensing in second barrel (101) and third barrel (102) when the eluviation water sample reaches the settlement liquid level, controller (31) control corresponding second solenoid valve (220) and peristaltic pump (221) are opened, the eluviation water sample gets into in sampling bottle (212) through corresponding sampling pipe (22), the monitoring probe that utilizes water quality monitoring instrument (30) of setting for in sampling bottle (212) surveys pollutant content and kind in the eluviation water sample, and a monitoring result feeds back to computer (32) and takes notes.
S3, after the water sample in the corresponding sampling bottle (212) on one mounting disc (211) is monitored, the controller (31) controls the first electromagnetic valve (2120) to be opened, the water sample is released into the waste liquid cylinder (202) through the hollow pipe (210), the stepping motor (23) is controlled to drive the mounting disc (211) to rotate for a certain angle, the upper sampling bottle (212) and the lower sampling bottle (212) on the mounting disc (211) rotate to positions corresponding to the sampling pipes (22), meanwhile, the controller (31) controls the third electromagnetic valve (240) to be opened, the sampling bottle (212) with the water sample removed is cleaned through the cleaning pipe (24), and the cleaning waste liquid finally enters the waste liquid cylinder (202);
s4, repeating the operation of the step S2 to realize continuous collection and analysis of the eluviated water samples of different depths;
s5, after the device runs for a certain period, the controller (31) controls the micro driving motor (40) to start, the two connecting rotating shafts (41) are driven to rotate, the driving gear (410) on the connecting rotating shafts (41) is utilized to drive the cleaning brush plate (43) to rotate, and the cleaning maintenance is carried out on the surfaces, corresponding to the filter screens (1040), of the first barrel (100), the second barrel (101) and the third barrel (102) so as to ensure the continuous operation of the leaching water sample collection work.
10. The integrated device for collecting and analyzing underground water leaching solution according to claim 1, wherein a graduated scale is arranged on the positioning rod (11).
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