CN112129566A - In-situ real-time sealing mining method for bottom mud sample of small river in town - Google Patents
In-situ real-time sealing mining method for bottom mud sample of small river in town Download PDFInfo
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- CN112129566A CN112129566A CN202010870264.8A CN202010870264A CN112129566A CN 112129566 A CN112129566 A CN 112129566A CN 202010870264 A CN202010870264 A CN 202010870264A CN 112129566 A CN112129566 A CN 112129566A
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- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005065 mining Methods 0.000 title claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 128
- 239000013049 sediment Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 239000003755 preservative agent Substances 0.000 claims 1
- 230000002335 preservative effect Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 238000013508 migration Methods 0.000 description 6
- 230000005012 migration Effects 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- 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
-
- 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
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an in-situ real-time sealing and mining method for a bottom mud sample of a town river, which comprises the following steps: (1) determining the length of the water depth adjusting device and the acquisition depth of the mud sample depth setting device; (2) the sampling inner tube is sleeved and the sampling device is integrally assembled; (3) exhausting and draining water in the sampling inner pipe and drilling a sampling mud sample; (4) extracting a mud sample in situ and preserving quality and sealing on site; (5) sampling the mud sample in the inner tube by self weight in situ. The method is simple and convenient to operate, accurate in depth setting and accurate in sampling, and meets the requirement of vertical in-situ undisturbed acquisition of the river sediment.
Description
Technical Field
The invention relates to an in-situ acquisition and real-time encapsulation acquisition method for a bottom mud sample of a small town river, in particular to an in-situ real-time encapsulation acquisition method for a bottom mud sample of a small town river, and belongs to the field of water environment monitoring.
Background
The sediment is an important component of the water body, not only has continuous physical, chemical and biological effects on the water body, but also has important factors on the ecological environment of the water body due to the migration and transformation of components among different layers of the sediment, and the important precondition for protecting the ecological environment of the water body is to study the migration characteristics of the components among different layers of the sediment and grasp the migration rule of the components among different layers of the water body and the sediment. The distribution migration rule of the pollutants among the sediment layers is correctly analyzed, the space distribution characteristics of the sediment pollutants are researched, the analysis and evaluation of the functions of the pollutants among the overlying water body, the surface sediment and the deep sediment are based, the vertical distribution of the sediment pollutants is the key for researching the space migration characteristics of the sediment pollutants, and the undisturbed vertical sediment in-situ acquisition and real-time monitoring are the premise for accurately analyzing the vertical distribution characteristics of the sediment pollutants.
The in-situ real-time sealing and mining device for the bottom mud samples of the small rivers in cities and towns overcomes the defect of large disturbance in the bottom mud collecting process, visually reproduces the physical characteristics of vertical distribution of the bottom mud of the rivers, realizes accurate real-time vertical collection of the original position of the bottom mud of the rivers, and is complex in device installation and complex in operation steps. The invention provides a town small river sediment sample in-situ real-time sealing and mining device based on self-design, and provides a town small river sediment sample in-situ real-time sealing and mining method.
Disclosure of Invention
The invention provides an in-situ intelligent depth-setting sampling method for bottom mud of small town rivers, aiming at the problems that the bottom mud of the small town rivers is rich in impurities, complex in components, large in bottom mud disturbance in the sampling process, small in practical range, low in sampling precision, difficult in vertical in-situ layered acquisition, complex in installation and complex in operation of a self-designed in-situ real-time sealing and acquiring device for bottom mud samples of the small town rivers and the like. The method is matched with an in-situ real-time sealing and sampling device for the bottom sediment samples of the small rivers in cities and towns for use, and has the characteristics of simplicity and convenience in operation, accurate depth setting and accurate sampling, the water depth adjusting system, the mud sample depth setting system and the sample collecting system accurately guarantee the sediment sampling depth and the sampling precision, the transparent closed sampling inner tube reproduces the layered characteristics of the bottom sediment, the timeliness of the samples is guaranteed, in-situ self-weight sampling realizes accurate acquisition of the bottom sediment at different layers, the requirement of vertical in-situ undisturbed acquisition of the bottom sediment of the rivers is met, and a scientific sampling method is provided for researching the migration and conversion characteristics of pollutants of the overlying water body and the bottom sediment at different layers.
The invention provides an in-situ real-time sealing and mining method for a bottom mud sample of a small town river. The method comprises the steps of determining the length of a water depth adjusting device and the collection depth of a mud sample depth setting device, integrally assembling a sampling inner pipe, exhausting and draining the sampling inner pipe, drilling and collecting a mud sample, extracting the mud sample in situ, preserving quality and sealing on site, and sampling the mud sample in situ self-weight of the sampling inner pipe. Wherein
Furthermore, the number of the connecting rods is selected according to the river depth of the sampling point and is connected through connecting sleeves, and the upper connecting rod and the lower connecting rod are respectively connected with the transmission shaft and the sampling frame through the connecting sleeves; according to sediment sampling degree of depth, the outer silk of sampling outer tube upper portion is connected fixedly with the interior silk in sampling frame lower part, installs the probe in the corresponding scale department of sampling outer tube outer wall scale to be fixed in the influence of rivers to the induction line when preventing the sampling on the connecting rod that connects.
Further, according to the properties of bottom mud and the sampling requirement, the models of a tool bit and a sampling inner tube are selected, the lower end of a lower pull wire penetrates through an air hole in the upper end of the sampling inner tube to be connected with a hole sealing rubber ball, the upper end of the lower pull wire is connected with the lower end of an upper pull wire through a retaining ring, and the middle part of the tool bit and the lower end of the sampling inner tube are fixed through a screw hole by a screw nut; the sampling inner tube is arranged in the sampling outer tube, the sampling inner tube is fixedly connected with the inner wire at the lower part of the sampling outer tube through the cutter head outer wire, the stay wire length is adjusted through the stay wire controller, and the hole sealing rubber ball is arranged in the sampling inner tube.
Further, the installed real-time bottom mud sample collecting and packaging device for the town river in situ is placed in the sampling point, the sampling inner pipe is filled with water, the water is discharged from an air hole in the upper end of the sampling inner pipe, when the tool bit touches the bottom mud, the handle and the transverse handle are tightly held, the sampling device is kept vertical, the crank is rotated, the sensor sends out a stopping signal, sampling is stopped, and the stay wire controller is adjusted until the hole sealing rubber ball seals the air hole in the upper end of the sampling inner pipe.
Further, back of proposing the surface of water will sample the inner tube and back-out from the sampling outer tube, take off the tool bit, with scraping mud ware along sampling inner tube lower end with mud sample scraping and leveling, seal up the deposit with the plastic wrap, whole process keeps the sealing of hole sealing rubber ball to sampling inner tube upper end gas pocket (so that the bed mud normal position of gathering under the atmospheric pressure effect keeps in the sampling inner tube), the recording sampling point bed mud physical indicator this moment.
Further, in the laboratory, vertically place the sampling inner tube, slowly let go up hole sealing rubber ball and promote the sampling inner tube, mud sample slowly roll-off from the sampling inner tube under the effect of gravity, the sediment sample of different levels is gathered according to the sampling requirement this moment.
Drawings
FIG. 1 is a structural front view of an in-situ real-time sealing and mining method for a bottom mud sample of a small town river.
Fig. 2 is a top view of the t-shaped fixing part in the middle of the cross beam 5 in fig. 1.
In the figure: 1 is a handle; 2 is an upper fixed beam; 3 is an upper gear; 4 is a fixed ring; 5 is a middle cross beam; 6 is a transverse hole; 7 is a left fixed rod; 8 is a rotating gear tooth; 9 is a lower gear; 10 is a lower fixed beam; 11 is a connecting rod; 12 is an upper stay wire; 13 is a connecting sleeve; 14 is a connecting pin; 15 is a connecting hole; 16 is a sampling frame; 17 is a sampling outer tube; 18 is a sampling inner tube; 19 is an outer wall water outlet; 20 is a cutter head; 21 is a transverse handle; 22 is a pull wire controller; 23 is a stem; 24 is a crank; 25 is a rocking handle; 26 is an upper beam; 27 is a fixed shaft; 28 is a right fixing rod; 29 is a rotating wheel; 30 is a lower beam; 31 is a sensor; 32 is a transmission shaft; 33 is a sensing line; 34 is a retaining ring; 35 is a pull-down wire; 36 are air holes; 37 is a hole sealing rubber ball; 38 is a graduated scale; 39 is a probe; 40 is a helical blade; 41 is a T-shaped fixing hole; 42 are longitudinal bores.
Detailed Description
The invention is described in further detail below with reference to the figures and examples.
The invention provides an in-situ real-time sealing and mining method for a bottom mud sample of a small town river.
As shown in fig. 1, the specific method of the present invention is as follows:
(1) according to the river depth of a sampling point, the number of the connecting rods 11 is selected and connected through the connecting sleeves 13, and the upper connecting rod 11 and the lower connecting rod 11 are respectively connected with the transmission shaft 32 and the sampling frame 16 through the connecting sleeves 13; according to the sampling depth of the sediment, the outer wire at the upper part of the sampling outer tube 17 is fixedly connected with the inner wire at the lower part of the sampling frame 16, the probe 39 is arranged at the corresponding scale of the graduated scale 38 on the outer wall of the sampling outer tube 17, and the induction line 33 is fixed on the well-connected connecting rod 11.
(2) According to the properties of bottom mud and the sampling requirement, the models of a tool bit 20 and a sampling inner tube 18 are selected, the lower end of a lower pull wire 35 penetrates through an air hole 36 at the upper end of the sampling inner tube 18 to be connected with a hole sealing rubber ball 37, the upper end of the lower pull wire 35 is connected with the lower end of an upper pull wire 12 through a retaining ring 34, and the middle part of the tool bit 20 and the lower end of the sampling inner tube 18 are fixed through a screw hole by a; the sampling inner tube 18 is arranged in the sampling outer tube 17, the outer wire of the cutter head 20 is fixedly connected with the inner wire at the lower part of the sampling outer tube 17, the wire pulling length is adjusted by the wire pulling controller 22, and the hole sealing rubber ball 37 is arranged in the sampling inner tube 18.
(3) A self-designed real-time bottom mud sample collecting and packaging device in a town river in-situ mode is vertically placed in a sampling point, the sampling inner tube 18 is filled with water, the water is discharged from an air hole 36 in the upper end of the sampling inner tube 18, when the tool bit 20 touches bottom mud, the handle 1 and the transverse handle 21 are tightly held, the sampling device is kept vertical, the crank 24 is rotated, when the sensor 31 sends out a stopping signal, sampling is stopped, and the stay wire controller 22 is adjusted to the hole sealing rubber ball 37 to seal the air hole 36 in the upper end of the sampling inner tube 18.
(4) Screw out sampling device, put forward the surface of water after, will sample inner tube 18 and screw out from sampling outer tube 17, take off tool bit 20, with scrape mud ware along sampling inner tube 18 lower end with mud sample scrape level and smooth, seal up with the plastic wrap, whole process keeps the sealing of hole sealing rubber ball 37 to sampling inner tube 18 upper end gas pocket 36 to it is vertical to keep sampling inner tube 18, the record sampling point bed mud physical indicator this moment.
(5) In the laboratory, vertically place sampling inner tube 18, slowly let go of hole sealing rubber ball 37 and promote sampling inner tube 18, mud sample is from sampling inner tube 18 slow roll-off under the effect of gravity, gathers the sediment sample of different levels according to the sampling requirement this moment.
The scope of the present invention is not limited to the description of the embodiment, but is defined by the claims.
Claims (1)
1. An in-situ real-time sealing mining method for a bottom mud sample of a small town river is characterized by comprising the following steps: (1) determining the length of the water depth adjusting device and the acquisition depth of the mud sample depth setting device; (2) the sampling inner tube is sleeved and the sampling device is integrally assembled; (3) exhausting and draining water in the sampling inner pipe and drilling a sampling mud sample; (4) extracting a mud sample in situ and preserving quality and sealing on site; (5) sampling the mud sample in the inner tube by self weight in situ; wherein:
(1) the length of the water depth adjusting device and the acquisition depth of the mud sample depth setting device are determined: selecting the number of the connecting rods according to the river depth of the sampling point, connecting the connecting rods through connecting sleeves, and respectively connecting the upper connecting rod and the lower connecting rod with the transmission shaft and the sampling frame through the connecting sleeves; according to the sampling depth of the sediment, the outer wire at the upper part of the sampling outer tube is fixedly connected with the inner wire at the lower part of the sampling frame, the probe is arranged at the corresponding scale of the graduated scale at the outer wall of the sampling outer tube, and the induction line is fixed on the well-connected connecting rod (so as to prevent the influence of water flow on the induction line during sampling);
(2) the sampling inner tube is sleeved and the sampling device is integrally assembled: according to the properties of bottom mud and sampling requirements, the models of a tool bit and a sampling inner tube are selected, the lower end of a lower pull wire penetrates through an air hole in the upper end of the sampling inner tube to be connected with a hole sealing rubber ball, the upper end of the lower pull wire is connected with the lower end of an upper pull wire through a retaining ring, and the middle part of the tool bit and the lower end of the sampling inner tube are fixed through a screw hole by a screw nut; the sampling inner tube is arranged in the sampling outer tube, the sampling inner tube is fixedly connected with an inner wire at the lower part of the sampling outer tube through an outer wire of a cutter head, the length of a stay wire is adjusted through a stay wire controller, and a hole sealing rubber ball is arranged in the sampling inner tube;
(3) sampling inner pipe exhaust and drainage and drilling to collect mud sample: vertically placing a self-designed real-time bottom mud sample collecting and packaging device for the urban river in situ at a sampling point, filling water in a sampling inner pipe and discharging the water from an air hole at the upper end of the sampling inner pipe, when a tool bit touches bottom mud, tightly holding a handle and a transverse handle, keeping the sampling device vertical, rotating a crank, stopping sampling when an inductor sends out a stopping signal, stopping sampling, and adjusting a stay wire controller until a hole sealing rubber ball seals the air hole at the upper end of the sampling inner pipe;
(4) in-situ extraction and field quality guarantee and sealing storage of the mud sample: screwing out the sampling device, screwing out the sampling inner tube from the sampling outer tube after the sampling device is lifted out of the water surface, taking down the cutter head, scraping a mud sample smoothly along the lower end head of the sampling inner tube by using a mud scraper, sealing and storing by using a preservative film, keeping the sealing rubber ball sealing an air hole at the upper end of the sampling inner tube in the whole process, keeping the sampling inner tube vertical, and recording the physical index of bottom mud at the sampling point;
(5) sampling an inner pipe mud sample by self weight in situ: in the laboratory, vertically place the sampling inner tube, slowly let go of hole sealing rubber ball and promote the sampling inner tube, mud sample slowly roll-off from the sampling inner tube under the effect of gravity, the sediment sample of different levels is gathered according to the sampling requirement this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010870264.8A CN112129566A (en) | 2020-08-26 | 2020-08-26 | In-situ real-time sealing mining method for bottom mud sample of small river in town |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010870264.8A CN112129566A (en) | 2020-08-26 | 2020-08-26 | In-situ real-time sealing mining method for bottom mud sample of small river in town |
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| CN112129566A true CN112129566A (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881079A (en) * | 2021-01-08 | 2021-06-01 | 彭桂芝 | Sludge sampling device of ship-like anchor |
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| CN109406208A (en) * | 2018-12-24 | 2019-03-01 | 中山大学 | A kind of Sediments sediment collector |
| CN110646235A (en) * | 2019-09-29 | 2020-01-03 | 南京必蓝环境技术有限公司 | River lake sediment normal position sample thief |
-
2020
- 2020-08-26 CN CN202010870264.8A patent/CN112129566A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055034A (en) * | 1990-03-21 | 1991-10-02 | 王子平 | Open-end piston type thin shell soil sampler |
| CN2758335Y (en) * | 2004-04-26 | 2006-02-15 | 张瞰 | Full automatic multifunction water tank device |
| CN2911645Y (en) * | 2006-05-30 | 2007-06-13 | 中国水产科学研究院珠江水产研究所 | Column sampler for pond bottom mud |
| JP2011084923A (en) * | 2009-10-15 | 2011-04-28 | Nippon Steel Engineering Co Ltd | Water sealing structure of steel pipe pile foundation, and method for constructing steel pipe pile foundation |
| CN203297637U (en) * | 2013-04-09 | 2013-11-20 | 马明奎 | Touch type water-saving tap |
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| CN206670957U (en) * | 2017-05-09 | 2017-11-24 | 河海大学 | A kind of multifunctional meter soil soil sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881079A (en) * | 2021-01-08 | 2021-06-01 | 彭桂芝 | Sludge sampling device of ship-like anchor |
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Application publication date: 20201225 |
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