CN116104490A - Underground water circulation monitoring well layered sampling equipment - Google Patents
Underground water circulation monitoring well layered sampling equipment Download PDFInfo
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- CN116104490A CN116104490A CN202211727832.4A CN202211727832A CN116104490A CN 116104490 A CN116104490 A CN 116104490A CN 202211727832 A CN202211727832 A CN 202211727832A CN 116104490 A CN116104490 A CN 116104490A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
- E21B49/083—Samplers adapted to be lowered into or retrieved from a landing nipple, e.g. for testing a well without removing the drill string
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
- E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
- E21B49/082—Wire-line fluid samplers
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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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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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
Abstract
The invention belongs to the technical field of monitoring well sampling, and discloses a layered sampling device for a groundwater circulation monitoring well, which comprises a supporting ring and telescopic supporting legs arranged in an array hinged mode at the lower portion of the supporting ring, wherein a guiding coiling and uncoiling assembly is arranged on the upper wall of the supporting ring, a layered sampling rotary transmission mechanism is arranged on the guiding coiling and uncoiling assembly, a layered sampling release mechanism is arranged on one side of the upper wall of the layered sampling rotary transmission mechanism, and a communicating vessel differential pressure self-priming sampling mechanism is arranged in the layered sampling rotary transmission mechanism. The invention has high automation degree, simple operation, no sampling blind area, small disturbance to the monitoring well and one-time completion of water quality sampling at different depths in the monitoring well.
Description
Technical Field
The invention belongs to the technical field of monitoring well sampling, and particularly relates to underground water circulation monitoring well layered sampling equipment.
Background
Groundwater is closely related to human production and life, is an important natural resource as one of water sources of domestic water, industrial water and farm irrigation water, however, production activities of industrial enterprises may pollute soil and groundwater, and if polluted land areas are directly developed and utilized, potential risks are brought to human health.
After the underground water monitoring well is established, the well is required to be washed before sampling, and the washing of the well meets the related requirements specified by HJ25.2, HJ1019 and the like. The portable water quality tester is used for testing the effluent water on site until the turbidity, the conductivity, the pH value and the like of the effluent water meet the requirements.
In the existing groundwater sampling method, two methods adopted in the common case are a low-speed sampling method and a belleville pipe sampling method, and groundwater mechanical sampling equipment (submersible pump) and groundwater manual sampling equipment (Bei Leguan) are adopted respectively. When sampling the water quality in a monitoring well, the following problems exist:
1. the underground water mechanical sampling equipment has higher price, larger volume and weight, inconvenient carrying operation, often distributed underground water monitoring wells in places inconvenient to electrify, inconvenient use of the submersible pump and large energy power needing to be equipped;
2. when the underground water mechanical sampling equipment is used, water is stored in the sampling water pipe, the water quantity in the sampling water pipe cannot be judged after the water with different depths is pumped up, and if the water in the sampling water pipe cannot be pumped out completely, the water with different depths is mixed, and the water with different depths cannot be sampled;
3. the Bayer tube sampling requires the cooperation of multiple persons, the automation degree is low, the sampling can not be completed at one time, the operation is complicated, the Bayer tube has a certain length, when the Bayer tube goes deep into a monitoring well for sampling, the depth of the sampling is possibly limited due to the length of the Bayer tube, and a dead zone of the sampling depth can occur;
4. the existing monitoring well sampling device has large disturbance to groundwater, and the accuracy of sampling data cannot be guaranteed.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the layered sampling equipment for the underground water circulation monitoring well, which has the advantages of high automation degree, simple and convenient operation, no sampling blind area, small disturbance in the monitoring well and capability of completing water quality sampling at different depths in the monitoring well at one time.
The technical scheme adopted by the invention is as follows: the invention provides a layered sampling device for a groundwater circulation monitoring well, which comprises a supporting ring and telescopic supporting legs arranged in an array hinged mode at the lower portion of the supporting ring, wherein a guiding coiling and uncoiling assembly is arranged on the upper wall of the supporting ring, a layered sampling rotary transmission mechanism is arranged on the guiding coiling and uncoiling assembly, a layered sampling release mechanism is arranged on one side of the upper wall of the layered sampling rotary transmission mechanism, and a communicating vessel differential pressure self-priming sampling mechanism is arranged in the layered sampling rotary transmission mechanism.
Preferably, the guiding winding and unwinding assembly comprises a supporting vertical plate, a winding and unwinding rotating shaft, an unwinding roller, a lifting rope, guiding supporting rods, guiding pulleys and a winding and unwinding motor, wherein the supporting vertical plate is symmetrically arranged on the upper wall of the supporting ring, one end of the winding and unwinding rotating shaft is arranged on the inner side wall of one supporting vertical plate, the other end of the winding and unwinding rotating shaft is used for discharging the inner side wall of the other supporting vertical plate, the winding and unwinding motor is arranged on the outer side wall of the supporting vertical plate, the winding and unwinding motor is connected with the winding and unwinding rotating shaft, the unwinding roller is arranged on the upper middle part of the winding and unwinding rotating shaft, the guiding supporting rods are arranged between the inner side walls of the two supporting vertical plates, the guiding pulleys are arranged on the middle part of the guiding supporting rods, one end of the lifting rope is wound on the unwinding roller, the other end of the lifting rope bypasses the guiding pulleys, and the lifting rope can be positioned on the central line of the supporting ring through the guiding pulleys.
Preferably, the layering sample rotary transmission mechanism includes counter weight supporting disk, sample rotating electrical machines, floats dish, sample driving gear, the rotatory internal tooth disc of sample, sample rotation axis, spliced pole and counter weight bottom plate, the other end of lifting rope is located at the upper wall middle part of counter weight supporting disk, it locates the lower wall of counter weight supporting disk to float the dish, the sample rotation axis runs through and locates on counter weight supporting disk and the float dish, the lower wall of floating the dish is located to the sample driving gear, the sample driving gear is located on the sample rotation axis, the rotatory internal tooth disc of sample rotates the lower wall of locating the float dish, sample driving gear and the rotatory internal tooth disc meshing of sample, the lower wall of floating the dish is located to the spliced pole array, the lower extreme of spliced pole is located to the counter weight bottom plate, the counter weight supporting disk upper wall is located to the sample rotating electrical machines, the sample rotating electrical machines is connected with the sample rotation axis.
Preferably, the layered sampling release mechanism comprises a placing frame, an automatic winder, a sampling water pipe, a sampling weight ball, a measuring rope and a winding pulley, wherein the placing frame is arranged at the edge of the upper wall of the weight supporting disc, the automatic winder is arranged on the placing frame, the sampling water pipe is wound on the automatic winder, the sampling weight ball is hollowed, the sampling weight ball is arranged at the movable end of the sampling water pipe, the winding pulley is arranged on a guide supporting rod, one end of the measuring rope is arranged on the sampling weight ball, the other end of the measuring rope bypasses the winding pulley, and the descending of the measuring rope is driven by the descending of the sampling weight ball, so that the descending depth can be conveniently measured through the descending length of the measuring rope, and the water quality of different depths can be sampled conveniently.
In order to automatically complete sampling and timely enable water samples in a sampling water pipe to flow out after the completion of sampling at different depths, the pressure difference self-priming sampling mechanism of the communicating vessel is prevented from causing water samples at different depths to be mixed, the pressure difference self-priming sampling mechanism of the communicating vessel comprises a sampling cylinder, a cleaning cylinder, a lower pressure plate, a supporting control body, a supporting sliding sleeve, an upper compression spring, a control sliding column, a baffle ball, an upper baffle plate, a control ball, a communicating sliding sleeve, a stop column, a supporting middle plate and a supporting rib, the sampling cylinder is arranged in a hollow cavity with an opening at the lower end, an array of the sampling cylinder is arranged on the lower wall of the sampling rotary inner fluted disc, the cleaning cylinder is arranged in a hollow cavity with an opening at the lower end, the supporting control body is arranged in a taper tubular shape, the supporting control body is arranged at the lower end of the sampling cylinder and the cleaning cylinder, the supporting sliding sleeve is arranged in a hollow cavity with openings at the two ends, the upper end opening of the supporting control body is arranged on the upper compression spring, the upper compression spring is arranged on the upper end of the supporting sliding sleeve, the hollow cavity with the upper end of the upper control body is arranged at the upper end of the control sliding sleeve, the upper control body is arranged at the upper end of the baffle plate, the upper end of the upper control body is arranged at the lower end of the sliding sleeve, the upper control body is arranged at the lower end of the baffle plate is arranged at the lower end of the sliding sleeve, the upper end of the sliding sleeve is arranged at the sliding sleeve, the upper end of the control body is arranged at the sliding sleeve, the upper end of the sliding sleeve, the control sleeve is arranged at the sliding sleeve, the upper control sleeve is arranged at the lower end of the sliding sleeve, the control sleeve is arranged at the lower end control sleeve, the lower control sleeve is arranged at the lower control sleeve, the lower control sleeve and the control sleeve. The communicating slide column penetrates through the lower compression spring, the lower end of the communicating slide column is arranged in the communicating slide sleeve in a sliding way, the supporting rib array is arranged on the inner wall of the lower end of the communicating slide sleeve, the supporting middle plate is arranged on the supporting ribs, the supporting middle plate is arranged in the middle of the communicating slide sleeve, the lower end of the stopping column is arranged at the center of the upper wall of the supporting middle plate, the centers of the controlling slide column and the blocking ball are provided with a first water through hole, one end of the first water through hole penetrates through the side wall of the control slide column, the other end of the first water through hole penetrates through the lower wall of the baffle ball, a butt joint groove is formed in the top of the outer wall of the control ball, the butt joint groove is matched with the baffle ball, the second water through hole is formed in the center of the control ball and the center of the communication slide column, the upper end of the second water through hole penetrates through the butt joint groove, and the lower end of the second water through hole penetrates through the lower end face of the communication slide column.
When the sampling tube rotates, the depth of the placing groove is larger than or equal to the diameter of the control ball, the control ball can downwards squeeze the pressing spring, and the control ball completely enters the placing groove.
The fixed end of the sampling water pipe is arranged on the lower wall of the counterweight bottom plate, and the sampling water pipe is connected with the lower end of the communication sliding sleeve.
In order to balance the pressure inside the sampling cylinder and the cleaning cylinder during automatic water absorption sampling, the upper parts of the outer walls of the sampling cylinder and the cleaning cylinder are provided with balance one-way valves.
In addition, the lower parts of the outer walls of the sampling cylinder and the cleaning cylinder are provided with drain valves, so that sampling water and waste water can be discharged after sampling is finished.
The beneficial effects obtained by the invention by adopting the structure are as follows:
1. in the pressure difference self-priming sampling mechanism of the communicating vessel, the sampling tube and the cleaning tube enter under the action of the floating disc and the counterweight chassis into the water surface in the monitoring well, when the sampling tube rotates to the control ball under the action of the sampling rotary inner fluted disc, the control ball is pushed upwards under the action of the lower compression spring, then the control ball enters into the supporting control body, and at the moment, the blocking ball enters into the abutting groove, the control ball upwards extrudes the blocking ball, the blocking ball drives the control slide column to move upwards, at the moment, the upper end of the first water through hole slides out of the supporting slide sleeve, the first water through hole is aligned with the second water through hole, the control ball drives the communicating slide column to move upwards, the stop column slides out of the second water through hole, at the moment, because the sampling tube is empty, the water surface in the sampling tube and the water surface in the monitoring well are flush, therefore, the water of the first sampling depth automatically enters into the communicating slide sleeve from the sampling counterweight ball through the sampling water pipe, when the cleaning tube is opposite to the control ball, the operation is repeated, the water of the first sampling depth enters into the cleaning tube, and water samples of the first sampling tube is not mixed together until all water samples of different depths are collected;
2. one end of the measuring rope is tied on the sampling weight ball, and the sinking of the sampling weight ball drives the lowering of the measuring rope, so that the sampling depth of the sampling weight ball can be controlled very easily.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a hierarchical sampling device for a groundwater circulation monitoring well according to the present invention;
FIG. 2 is a schematic diagram of a three-dimensional structure of a layered sampling rotary transmission mechanism and a communicating vessel differential pressure self-priming sampling mechanism of a layered sampling device for an underground water circulation monitoring well;
FIG. 3 is a schematic diagram of a three-dimensional structure of a layered sampling rotary transmission mechanism of a layered sampling device for a groundwater circulation monitoring well;
FIG. 4 is a schematic diagram of a three-dimensional structure of a pressure-difference self-priming sampling mechanism of a communicating vessel of a stratified sampling device for underground water circulation monitoring wells;
fig. 5 is an enlarged view of a portion a in fig. 4.
Wherein, 1, a support ring, 2, a telescopic support leg, 3, a guiding coiling and uncoiling component, 4, a layered sampling rotary transmission mechanism, 5, a layered sampling release mechanism, 6, a communicating vessel differential pressure self-priming sampling mechanism, 7, a supporting vertical plate, 8, a coiling and uncoiling rotary shaft, 9, a uncoiling roller, 10, a lifting rope, 11, a guiding support rod, 12, a guiding pulley, 13, a coiling and uncoiling motor, 14, a counterweight support disc, 15, a sampling rotary motor, 16, a floating disc, 17, a sampling driving gear, 18, a sampling rotary internal fluted disc, 19, a sampling rotary shaft, 20, a connecting column, 21, a counterweight bottom plate, 22, a placing rack, 23 and an automatic coiling device, 24, sampling water pipe, 25, sampling balance weight ball, 26, measuring rope, 27, winding pulley, 28, sampling tube, 29, cleaning tube, 30, lower pressure plate, 31, supporting control body, 32, supporting sliding sleeve, 33, upper compression spring, 34, controlling sliding column, 35, blocking ball, 36, upper baffle, 37, controlling ball, 38, communicating sliding column, 39, lower compression spring, 40, communicating sliding sleeve, 41, blocking column, 42, supporting middle plate, 43, supporting rib, 44, placing groove, 45, installing groove, 46, water through hole I, 47, abutting groove, 48, balance check valve, 49, drain valve, 50, water through hole II.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1, the invention provides a layered sampling device for a groundwater circulation monitoring well, which comprises a supporting ring 1 and telescopic supporting legs 2 arranged in an array hinged manner at the lower part of the supporting ring, wherein a guiding coiling and uncoiling assembly 3 is arranged on the upper wall of the supporting ring 1, a layered sampling rotary transmission mechanism 4 is arranged on the guiding coiling and uncoiling assembly 3, a layered sampling release mechanism 5 is arranged on one side of the upper wall of the layered sampling rotary transmission mechanism 4, and a communicating vessel differential pressure self-priming sampling mechanism 6 is arranged in the layered sampling rotary transmission mechanism 4.
As shown in fig. 1, the guiding winding and unwinding assembly 3 comprises a supporting vertical plate 7, a winding and unwinding rotating shaft 8, a winding and unwinding roller 9, a lifting rope 10, a guiding supporting rod 11, guiding pulleys 12 and a winding and unwinding motor 13, wherein the supporting vertical plate 7 is symmetrically arranged on the upper wall of the supporting ring 1, one end of the winding and unwinding rotating shaft 8 is arranged on the inner side wall of one supporting vertical plate 7, the other end of the winding and unwinding rotating shaft 8 is used for discharging the inner side wall of the other supporting vertical plate 7, the winding and unwinding motor 13 is arranged on the outer side wall of the supporting vertical plate 7, the winding and unwinding motor 13 is connected with the winding and unwinding rotating shaft 8, the winding and unwinding roller 9 is arranged on the upper middle part of the winding and unwinding rotating shaft 8, the guiding pulleys 12 are arranged on the middle part of the guiding supporting rod 11, one end of the lifting rope 10 is wound on the winding and unwinding roller 9, the other end of the lifting rope 10 bypasses the guiding pulleys 12, and the lifting rope 10 can be positioned on the central line of the supporting ring 1 through the guiding pulleys 12.
As shown in fig. 1, 2 and 3, the layered sampling rotation transmission mechanism 4 includes a counterweight support plate 14, a sampling rotation motor 15, a floating plate 16, a sampling driving gear 17, a sampling rotation inner fluted disc 18, a sampling rotation shaft 19, a connecting column 20 and a counterweight bottom plate 21, the middle part of the upper wall of the counterweight support plate 14 is arranged at the other end of the lifting rope 10, the floating plate 16 is arranged at the lower wall of the counterweight support plate 14, the sampling rotation shaft 19 is arranged on the counterweight support plate 14 and the floating plate 16 in a penetrating way, the sampling driving gear 17 is arranged at the lower wall of the floating plate 16, the sampling driving gear 17 is arranged on the sampling rotation shaft 19, the sampling rotation inner fluted disc 18 rotates to be arranged at the lower wall of the floating plate 16, the sampling driving gear 17 is meshed with the sampling rotation inner fluted disc 18, the connecting column 20 is arranged at the lower wall of the floating plate 16 in an array, the counterweight bottom plate 21 is arranged at the lower end of the connecting column 20, the sampling rotation motor 15 is arranged at the upper wall of the counterweight support plate 14, and the sampling rotation motor 15 is connected with the sampling rotation shaft 19.
As shown in fig. 1 and 2, the layered sampling release mechanism 5 includes a placement frame 22, an automatic winder 23, a sampling water pipe 24, a sampling weight ball 25, a measuring rope 26 and a winding pulley 27, the placement frame 22 is arranged at the edge of the upper wall of the weight supporting disk 14, the automatic winder 23 is arranged on the placement frame 22, the sampling water pipe 24 is wound on the automatic winder 23, the sampling weight ball 25 is in a hollowed arrangement, the sampling weight ball 25 is arranged at the movable end of the sampling water pipe 24, the winding pulley 27 is arranged on the guide supporting rod 11, one end of the measuring rope 26 is arranged on the sampling weight ball 25, the other end of the measuring rope 26 bypasses the winding pulley 27, and the descending of the measuring rope 26 is driven by the descending of the sampling weight ball 25, so that the descending depth can be conveniently measured through the descending length of the measuring rope 26, and the water quality with different depths can be conveniently sampled.
As shown in fig. 2, 4 and 5, in order to automatically complete sampling and timely make the water samples in the sampling water pipe 24 flow out after sampling at different depths, so as to avoid mixing the water samples at different depths, the communicating vessel differential pressure self-priming sampling mechanism 6 comprises a sampling cylinder 28, a cleaning cylinder 29, a lower pressure plate 30, a supporting control body 31, a supporting sliding sleeve 32, an upper pressing spring 33, a control sliding column 34, a blocking ball 35, an upper blocking plate 36, a control ball 37, a communicating sliding column 38, a lower pressing spring 39, a communicating sliding sleeve 40, a blocking column 41, a supporting middle plate 42 and a supporting rib 43, wherein the sampling cylinder 28 is arranged in a hollow cavity with an opening at the lower end, the array of the sampling cylinder 28 is arranged on the lower wall of the sampling rotary internal fluted disc 18, the cleaning cylinder 29 is arranged in a hollow cavity with an opening at the lower end, the array of the cleaning cylinder 29 is arranged on the lower wall of the sampling rotary internal fluted disc 18, the sampling cylinder 28 and the cleaning cylinder 29 are arranged at intervals, the sampling tube 28 and the cleaning tube 29 can be marked, the sampling tube 28 is marked with sequential marks, the support control body 31 is arranged in a conical tubular shape, the support control body 31 is arranged at the lower ends of the sampling tube 28 and the cleaning tube 29, the support sliding sleeve 32 is arranged in a hollow cavity with two open ends, the support sliding sleeve 32 is arranged at the upper end opening of the support control body 31, the upper pressing spring 33 is arranged at the upper end surface of the support sliding sleeve 32, the upper baffle 36 is arranged at the upper end of the upper pressing spring 33, the upper end of the control sliding column 34 is arranged at the lower wall of the upper baffle 36, the control sliding column 34 penetrates through the upper pressing spring 33, the lower end of the control sliding column 34 penetrates through the support sliding sleeve 32, the baffle ball 35 is arranged at the lower end of the control sliding column 34, the baffle ball 35 is arranged at the lower part of the support sliding sleeve 32, the lower pressing plate 30 is arranged at the outer wall of the lower end of the support control body 31, the upper wall of counter weight bottom plate 21 is equipped with standing groove 44, the inner bottom wall of standing groove 44 is equipped with mounting groove 45, the intercommunication sliding sleeve 40 is located in mounting groove 45, the inner bottom wall of standing groove 44 is located to the lower extreme of lower hold-down spring 39, control ball 37 locates the upper end of lower hold-down spring 39, the lower part of the upper end control ball 37 of intercommunication slide column 38, the intercommunication slide column 38 runs through lower hold-down spring 39, the lower extreme slip of intercommunication slide column 38 is located in the intercommunication sliding sleeve 40, the support rib 43 array is located the lower extreme inner wall of intercommunication sliding sleeve 40, support intermediate plate 42 locates on the support rib 43, support intermediate plate 42 locates in the middle part in the intercommunication sliding sleeve 40, the lower extreme of cut-off column 41 locates in the upper wall center department of support intermediate plate 42, the center department of control slide column 34 and catch ball 35 is equipped with water through hole one 46, the one end of water through hole one end of 46 runs through the lateral wall of control slide column 34, the other end of water through the lower wall of catch ball 35, the outer wall top of control ball 37 is equipped with two through holes 47, two through holes 50 are located in the centre of the water through hole 37 and the centre of the intercommunication slide column 35, the water through hole 50 is located in the centre 50.
As shown in fig. 5, when the sampling tube 28 rotates, the depth of the placement groove 44 is equal to or greater than the diameter of the control ball 37, the control ball 37 can press the pressing spring downward, and the control ball 37 completely enters the placement groove 44.
As shown in fig. 5, the fixed end of the sampling water pipe 24 is disposed on the lower wall of the counterweight bottom plate 21, and the sampling water pipe 24 is connected to the lower end of the communicating sliding sleeve 40.
As shown in fig. 4, in order to balance the pressure inside the cartridge 28 and the wash bowl 29 at the time of automatic water suction sampling, the upper portions of the outer walls of the cartridge 28 and the wash bowl 29 are provided with a balance check valve 48.
As shown in fig. 4 and 5, the lower parts of the outer walls of the sampling cylinder 28 and the cleaning cylinder 29 are provided with a drain valve 49, so that the sampling water and the waste water can be discharged after the sampling is completed.
When the device is specifically used, the telescopic supporting legs 2 are supported on the periphery of a monitoring well, the winding and unwinding motor 13 is opened, the winding and unwinding motor 13 drives the winding and unwinding rotating shaft 8 to rotate, the winding and unwinding rotating shaft 8 drives the unwinding roller 9 to rotate, the unwinding roller 9 releases the lifting rope 10, the counterweight bottom plate 21 descends into the monitoring well until the floating plate 16 floats on the water surface of the monitoring well, the length of the released lifting rope 10 can be recorded at the moment, the depth of water in the monitoring well can be calculated according to the depth of the monitoring well, then the equal sampling depth can be calculated, then the automatic winder 23 is opened, the automatic winder 23 releases the sampling water pipe 24, the sampling counterweight ball 25 sinks under the action of gravity, the equal sampling depth can be known according to the downward moving distance of the measuring rope 26, the automatic winder 23 stops releasing the sampling water pipe 24 when the sampling counterweight ball 25 reaches the first sampling depth, then the sampling rotary motor 15 is started, the sampling rotary motor 15 drives the sampling rotary shaft 19 to rotate, the sampling rotary shaft 19 drives the sampling driving gear 17 to rotate, the sampling driving gear 17 drives the sampling rotary internal fluted disc 18 to rotate, the sampling rotary internal fluted disc 18 drives the sampling cylinder 28 and the cleaning cylinder 29 to rotate, when the sampling cylinder 28 is opposite to the control ball 37, the control ball 37 is pushed upwards under the action of the lower pressing spring 39, then the control ball 37 enters the supporting control body 31, the stop ball 35 enters the abutting groove 47, the control ball 37 upwards presses the stop ball 35, the stop ball 35 drives the control slide column 34 to move upwards, at the moment, the upper end of the first water through hole 46 slides out of the supporting slide sleeve 32, the first water through hole 46 is aligned with the second water through hole 50, the control ball 37 drives the communication slide column 38 to move upwards, the stop column 41 slides out of the second water through hole 50, at the moment, because the inside of the sampling cylinder 28 is empty, according to the principle of the communicating vessel, the water surface in the sampling cylinder 28 and the water surface in the monitoring well are flush, so that the water with the first sampling depth automatically enters the communicating sliding sleeve 40 from the sampling weight ball 25 through the sampling water pipe 24, then enters the sampling cylinder 28 through the second water through hole 50 and the first water through hole 46 until the water surface in the sampling cylinder 28 and the water surface in the monitoring well are flush, the first sampling is completed, then the sampling rotating motor 15 rotates, the sampling rotating inner fluted disc 18 drives the sampling cylinder 28 and the cleaning cylinder 29 to rotate, at the moment, the sampling cylinder 28 drives the supporting control body 31 to rotate, the inner inclined surface of the supporting control body 31 presses the control ball 37 downwards to press the lower pressing spring 39, the control ball 37 drives the communicating sliding column 38 to move downwards until the blocking column 41 enters the second water through hole 50, at the moment, the blocking column 41 blocks the second water through hole 50, the water in the sampling water pipe 24 can not enter the second water through hole 50, the supporting control body 31 is moved out from the control ball 37, the lower pressure plate 30 continuously presses the control ball 37 in the placing groove 44 at the moment, then the automatic winder 23 is started to release the sampling water pipe 24, the sampling weight ball 25 is judged to reach the second sampling depth according to the measuring rope 26, then the sampling rotating motor 15 is started again, the sampling rotating inner fluted disc 18 drives the cleaning barrel 29 to face the control ball 37, the control ball 37 enters the supporting control body 31 at the lower part of the cleaning barrel 29 under the action of the lower pressure spring 39, the first water through hole 46 is aligned with the second water through hole 50 according to the operation, the control ball 37 drives the communicating slide column 38 to move upwards under the action of the lower pressure spring 39, the blocking column 41 slides out from the second water through hole 50 in the communicating slide column 38, because the cleaning barrel 29 is empty, also according to the principle of the communicating vessel, the water with the second sampling depth enters the communicating sliding sleeve 40 from the sampling counterweight ball 25 through the sampling water pipe 24, the original internal water of the sampling water pipe 24 is flushed and enters the cleaning cylinder 29, at the moment, all the water samples with the second sampling depth are in the sampling water pipe 24, then the sampling rotary motor 15 is started to be opened, the sampling rotary internal fluted disc 18 drives the second sampling cylinder 28 to face the position of the control ball 37, the operation is repeated until the water samples with the second sampling depth are full of the second sampling cylinder 28, the operation is repeated until the sampling with all the sampling depths is completed, then the winding and unwinding motor 13 is opened, the lifting rope 10 is retracted by the winding and unwinding roller 9, the counterweight supporting disc 14 is driven by the lifting rope 10 to be lifted from the monitoring well, and then the waterproof valves on the sampling cylinders 28 are respectively opened to release the water samples with different depths.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (9)
1. The utility model provides a groundwater circulation monitoring well layering sampling equipment, includes support ring (1) and flexible supporting leg (2) that lower part array articulated set up, its characterized in that: the automatic sampling device is characterized in that a guiding take-up and pay-off assembly (3) is arranged on the upper wall of the supporting ring (1), a layered sampling rotary transmission mechanism (4) is arranged on the guiding take-up and pay-off assembly (3), a layered sampling release mechanism (5) is arranged on one side of the upper wall of the layered sampling rotary transmission mechanism (4), and a communicating vessel differential pressure self-priming sampling mechanism (6) is arranged in the layered sampling rotary transmission mechanism (4).
2. The apparatus for stratified sampling for a groundwater circulation monitoring well according to claim 1, wherein: the guide winding and unwinding assembly (3) comprises a supporting vertical plate (7), a winding and unwinding rotating shaft (8), a winding and unwinding roller (9), a lifting rope (10), a guide supporting rod (11), guide pulleys (12) and a winding and unwinding motor (13), wherein the supporting vertical plate (7) is symmetrically arranged on the upper wall of the supporting ring (1), one end of the winding and unwinding rotating shaft (8) is arranged on the inner side wall of one supporting vertical plate (7), the other end of the winding and unwinding rotating shaft (8) is used for discharging the inner side wall of the other supporting vertical plate (7), the winding and unwinding motor (13) is arranged on the outer side wall of the supporting vertical plate (7), the winding and unwinding motor (13) is connected with the winding and unwinding rotating shaft (8), the winding and unwinding roller (9) is arranged on the upper middle part of the winding and unwinding rotating shaft (8), the guide supporting rod (11) is arranged between the inner side walls of the two supporting vertical plates (7), the guide pulleys (12) are arranged on the middle part of the guide supporting rod (11), one end of the lifting rope (10) is wound and is arranged on the paying and the other end of the lifting rope (10) is wound and is wound around the guide pulleys (12).
3. The apparatus for stratified sampling for groundwater circulation monitoring well according to claim 2, wherein: the utility model provides a layering sample rotary drive mechanism (4) includes counter weight supporting disk (14), sample rotating electrical machines (15), floats dish (16), sample driving gear (17), sample rotatory internal tooth disc (18), sample rotation axis (19), spliced pole (20) and counter weight bottom plate (21), the other end of lifting rope (10) is located at the upper wall middle part of counter weight supporting disk (14), the lower wall of counter weight supporting disk (14) is located to float dish (16), sample rotation axis (19) run through locate on counter weight supporting disk (14) and floating disk (16), sample driving gear (17) locate the lower wall of floating disk (16), sample driving gear (17) are located on sample rotation axis (19), sample rotatory internal tooth disc (18) rotate and locate the lower wall of floating disk (16), sample driving gear (17) and sample rotatory internal tooth disc (18) meshing, the lower wall of floating disk (16) is located to spliced pole (20) array, the lower wall of spliced pole (20) is located to bottom plate (21), sample driving gear (17) locate on the rotating electrical machines (15) and sample rotation axis (19).
4. A groundwater circulation monitoring well stratified sampling device according to claim 3, wherein: the layering sample release mechanism (5) includes rack (22), automatic winder (23), sample water pipe (24), sample counter weight ball (25), measurement rope (26) and wire winding pulley (27), rack (22) are located on the upper wall edge of counter weight supporting disk (14), automatic winder (23) are located on rack (22), sample water pipe (24) winding is located on automatic winder (23), sample counter weight ball (25) are the fretwork setting, sample counter weight ball (25) are located the expansion end of sample water pipe (24), wire winding pulley (27) are located on direction bracing piece (11), on measuring rope (26) one end is located sample counter weight ball (25), the other end of measuring rope (26) is walked around wire winding pulley (27).
5. The apparatus of claim 4, wherein: the communicating vessel differential pressure self-priming sampling mechanism (6) comprises a sampling cylinder (28), a cleaning cylinder (29), a lower pressure plate (30), a supporting control body (31), a supporting sliding sleeve (32), an upper compression spring (33), a control sliding column (34), a baffle ball (35), an upper baffle plate (36), a control ball (37), a communicating sliding column (38), a lower compression spring (39), a communicating sliding sleeve (40), a stop column (41), a supporting middle plate (42) and a supporting rib (43), wherein the sampling cylinder (28) is arranged in a hollow cavity with an opening at the lower end, an array of the sampling cylinder (28) is arranged on the lower wall of a sampling rotary inner fluted disc (18), the cleaning cylinder (29) is arranged in a hollow cavity with an opening at the lower end, the array of the cleaning cylinder (29) is arranged on the lower wall of the sampling rotary inner fluted disc (18), the sampling cylinder (28) and the cleaning cylinder (29) are arranged at intervals, the supporting control body (31) is arranged in a conical tubular shape, the supporting control body (31) is arranged at the lower end of the sampling cylinder (28) and the cleaning cylinder (29), the supporting control body is arranged in a hollow cavity with the opening at the upper end (32) and the upper end of the upper sliding sleeve (32), the upper baffle plate (36) is arranged at the upper end of the upper compression spring (33), the upper end of the control slide column (34) is arranged at the lower wall of the upper baffle plate (36), the control slide column (34) penetrates through the upper compression spring (33), the lower end of the control slide column (34) penetrates through the support slide sleeve (32), the baffle ball (35) is arranged at the lower end of the control slide column (34), the baffle ball (35) is arranged at the lower part of the support slide sleeve (32), the lower pressure plate (30) is arranged at the outer wall of the lower end of the support control body (31), the upper wall of the counterweight bottom plate (21) is provided with a placing groove (44), the inner bottom wall of the placing groove (44) is provided with a mounting groove (45), the communication slide sleeve (40) is arranged in the mounting groove (45), the lower end of the lower compression spring (39) is arranged at the inner bottom wall of the placing groove (44), the control ball (37) is arranged at the upper end of the lower compression spring (39), the lower end of the communication slide column (38) is arranged at the lower end of the control ball (37), the lower pressure plate (38) is arranged at the lower end of the support slide column (43) in the middle of the communication slide column (38), the communication slide column (38) is communicated with the inner wall of the support rib (43), the middle part in the intercommunication sliding sleeve (40) is located to support intermediate lamella (42), the lower extreme of stopping post (41) is located the upper wall center department of supporting intermediate lamella (42), the center department of control post (34) and catch ball (35) is equipped with water through hole (46), the lateral wall of control post (34) is run through to the one end of water through hole (46), the lower wall of catch ball (35) is run through to the other end of water through hole (46), the outer wall top of control ball (37) is equipped with docking groove (47), docking groove (47) and catch ball (35) cooperation, the center department of control ball (37) and intercommunication post (38) is equipped with water through hole two (50), the upper end of water through hole two (50) runs through and locates in docking groove (47), the lower terminal surface of intercommunication post (38) is run through to the lower extreme of water through hole two (50).
6. The apparatus of claim 5, wherein: the depth of the placement groove (44) is larger than or equal to the diameter of the control ball (37).
7. The apparatus of claim 6, wherein: the fixed end of the sampling water pipe (24) is arranged on the lower wall of the counterweight bottom plate (21), and the sampling water pipe (24) is connected with the lower end of the communicating sliding sleeve (40).
8. The apparatus of claim 7, wherein: and the upper parts of the outer walls of the sampling cylinder (28) and the cleaning cylinder (29) are provided with balance one-way valves (48).
9. The apparatus for stratified sampling for a groundwater circulation monitoring well according to claim 8, wherein: the lower parts of the outer walls of the sampling cylinder (28) and the cleaning cylinder (29) are provided with a water drain valve (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727832.4A CN116104490A (en) | 2022-12-31 | 2022-12-31 | Underground water circulation monitoring well layered sampling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211727832.4A CN116104490A (en) | 2022-12-31 | 2022-12-31 | Underground water circulation monitoring well layered sampling equipment |
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| CN116104490A true CN116104490A (en) | 2023-05-12 |
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| CN202211727832.4A Pending CN116104490A (en) | 2022-12-31 | 2022-12-31 | Underground water circulation monitoring well layered sampling equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116879525A (en) * | 2023-09-06 | 2023-10-13 | 长春师范大学 | Water environment monitor |
| CN117027785A (en) * | 2023-08-24 | 2023-11-10 | 西南石油大学 | Oil layer sampling device and method for geological investigation |
| CN117309502A (en) * | 2023-11-30 | 2023-12-29 | 江苏国鼎环保产业集团有限公司 | Differential pressure type environmental protection water quality monitoring equipment |
| CN117703357A (en) * | 2024-02-05 | 2024-03-15 | 西南石油大学 | Medium-deep geothermal well monitoring equipment |
| CN117703357B (en) * | 2024-02-05 | 2024-04-26 | 西南石油大学 | Medium-deep geothermal well monitoring equipment |
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- 2022-12-31 CN CN202211727832.4A patent/CN116104490A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027785A (en) * | 2023-08-24 | 2023-11-10 | 西南石油大学 | Oil layer sampling device and method for geological investigation |
| CN117027785B (en) * | 2023-08-24 | 2024-03-22 | 西南石油大学 | Oil layer sampling device and method for geological investigation |
| CN116879525A (en) * | 2023-09-06 | 2023-10-13 | 长春师范大学 | Water environment monitor |
| CN116879525B (en) * | 2023-09-06 | 2023-11-24 | 长春师范大学 | Water environment monitor |
| CN117309502A (en) * | 2023-11-30 | 2023-12-29 | 江苏国鼎环保产业集团有限公司 | Differential pressure type environmental protection water quality monitoring equipment |
| CN117309502B (en) * | 2023-11-30 | 2024-01-30 | 江苏国鼎环保产业集团有限公司 | Differential pressure type environmental protection water quality monitoring equipment |
| CN117703357A (en) * | 2024-02-05 | 2024-03-15 | 西南石油大学 | Medium-deep geothermal well monitoring equipment |
| CN117703357B (en) * | 2024-02-05 | 2024-04-26 | 西南石油大学 | Medium-deep geothermal well monitoring equipment |
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