CN215767825U - Emergency sampling device for underground water - Google Patents
Emergency sampling device for underground water Download PDFInfo
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- CN215767825U CN215767825U CN202122057613.7U CN202122057613U CN215767825U CN 215767825 U CN215767825 U CN 215767825U CN 202122057613 U CN202122057613 U CN 202122057613U CN 215767825 U CN215767825 U CN 215767825U
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- drill rod
- sieve tube
- rod
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- connector
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Abstract
The utility model relates to an underground water emergency sampling device which comprises an outer drill rod and an inner drill rod, wherein the inner drill rod is positioned inside the outer drill rod and moves along the length direction of the outer drill rod, a spiral drill bit is arranged at the bottom of the outer drill rod, an inner sieve tube is arranged at the bottom of the inner drill rod, and the inner sieve tube is positioned inside the spiral drill bit. The utility model can sample in real time, does not depend on the existing monitoring well, has quick response capability and has the effect of accurate sampling depth setting.
Description
Technical Field
The utility model relates to the technical field of hydrogeological exploration equipment, in particular to an underground water emergency sampling device.
Background
An emergency environmental event typically results in the introduction of pollutants into the atmosphere and into environmental media such as soil. In 2015, 4, 16 months, the original environmental protection department publishes an emergency management method for emergency environmental events, standardizes emergency management measures for emergency environmental events, provides a guarantee construction for enhancing the emergency capacity of the environment, and is provided with emergency monitoring equipment and equipment. The underground water pollution emergency monitoring instrument and equipment are still important components for the construction of the current emergency monitoring system for the emergency environmental events.
The prior art and the device are mainly applied to conventional underground water monitoring, and are still deficient compared with the characteristics of quick response and convenient operation required by emergency underground water pollution monitoring. Part prior art adopts and builds sampling behind groundwater monitoring well: CN212693355U discloses a fixed-point groundwater monitoring device, which adopts an electric push-pull rod to push a piston to suck a groundwater sample in a groundwater monitoring well for sampling; when the device is used for the emergent monitoring of groundwater pollution, the construction of a monitoring well needs to be carried out in advance, and the rapid reaction is not facilitated. Part of the technology adopts a drilling instant sampling method: patent CN213397725U discloses a soil and groundwater sampling and detecting device, which is mainly used for collecting soil and groundwater samples, wherein the groundwater samples are collected and stored by a built-in sample bottle close to a drill bit; however, the device adopts the built-in sample bottles for collection and storage, the capacity is influenced by the drill rod and the drill bit, and the operation efficiency is influenced when the sample bottles made of different materials are required to be frequently replaced according to multiple test indexes. In summary, there is still a large demand and application space for emergency sampling systems suitable for groundwater pollution.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an underground water emergency sampling device which can sample immediately and does not depend on the existing monitoring well.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides an emergent sampling device of groundwater, includes outer drilling rod and interior drilling rod, interior drilling rod is located the inside of outer drilling rod, and follows the length direction of outer drilling rod removes, the bottom of outer drilling rod is provided with helical bit, the bottom of interior drilling rod is provided with interior screen pipe, interior screen pipe is located helical bit's inside.
Through adopting above-mentioned technical scheme, under auger bit's drive, go into the ground end with outer drilling rod, then interior drilling rod rotates, and the screen pipe is followed spiral auger head and is unscrewed in to accomplish the sampling, have the sampling convenience, do not rely on the characteristics of monitoring well.
The present invention in a preferred example may be further configured to: and the top of the inner drill rod is provided with an inner drill rod connector, and the inner drill rod connector is connected with an external driving structure.
By adopting the technical scheme, the inner drill rod is connected with the external driving structure through the inner drill rod connector, and the inner drill rod is driven to drive the inner sieve tube at the bottom to move, so that the sampling is convenient.
The present invention in a preferred example may be further configured to: the inner sieve tube is connected with the inner drill rod through an inner sieve tube connector, external threads are arranged on the outer portion of the inner sieve tube connector, internal threads are arranged in the outer drill rod, and the inner sieve tube connector is in threaded connection with the inner wall of the outer drill rod.
Through adopting above-mentioned technical scheme, interior screen pipe connector can improve the stability of being connected between interior screen pipe and the interior drilling rod, and connection stability is higher.
The present invention in a preferred example may be further configured to: and the bottom of the inner sieve tube is provided with a tail end plug.
By adopting the technical scheme, the gap between the inner sieve tube and the outer drill rod is plugged by the end plug, so that the cleaning is convenient.
In summary, the utility model includes at least one of the following beneficial technical effects:
1. by adopting the technical scheme of the outer drill rod and the inner drill rod, the outer drill rod can be used for sampling through the inner drill rod after being used for punching, the existing monitoring well is not depended on, and the effect of quick response capability is achieved;
2. the technical scheme that the inner drill rod connector is arranged at the top of the inner drill rod is adopted, so that the inner drill rod can be conveniently driven to rotate by external driving equipment, and the effect of higher connection stability is achieved;
3. the technical scheme that the bottom of the inner sieve tube is provided with the tail end plug is adopted, so that the gap between the inner sieve tube and the outer drill rod can be filled, and the inner sieve tube and the outer drill rod are convenient to clean and use.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the overall structure of the present embodiment.
The reference numbers in the drawings are:
1. an outer drill rod; 2. an inner drill pipe connector; 3. an inner drill rod; 4. a ground surface; 5. an inner screen pipe connector; 6. an inner sieve tube; 7. a helical drill bit; 8. the end is plugged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the emergency sampling device for underground water disclosed by the utility model comprises an outer drill rod 1 and an inner drill rod 3, wherein the inner drill rod 3 is positioned inside the outer drill rod 1 and moves along the length direction of the outer drill rod 1, a spiral drill bit 7 is arranged at the bottom of the outer drill rod 1, an inner sieve tube 6 is arranged at the bottom of the inner drill rod 3, the inner sieve tube 6 is positioned inside the spiral drill bit 7, an inner drill rod connector 2 is arranged at the top of the inner drill rod 3, the inner drill rod connector 2 is connected with an external driving structure, the inner sieve tube 6 is connected with the inner drill rod 3 through an inner sieve tube connector 5, an external thread is arranged outside the inner sieve tube connector 5, an internal thread is arranged inside the outer drill rod 1, the inner sieve tube connector 5 is in threaded connection with the inner wall of the outer drill rod 1, and a tail end plug 8 is arranged at the bottom of the inner sieve tube 6.
An environment sampling drilling machine or a traditional geological exploration drilling machine is adopted as a drilling platform; carrying the device to a specified sampling position; drilling the spiral drill rod to a specified depth by adopting a spiral drill bit 7; the inner drill rod 3 is a hollow drill rod, the inner drill rod connector 2 is connected with a drilling machine power device, the inner drill rod connector 2 can be a hollow hexagon or other connection modes, and the inner diameters of the inner drill rod 3 and the inner drill rod connector 2 can be adjusted to meet the requirements of sampling equipment such as a sampling peristaltic pump, an air bag pump and the like; the inner sieve tube connector 5 is connected with the inner drill rod 3 and the inner sieve tube 6, the inner sieve tube 6 is a slotted tube made of metal or other materials, and the strength, the slot diameter and the material leaching value of the slotted tube meet the requirements of underground water investigation; the outer wall of the inner sieve tube connector 5 is connected with the inner wall of the auger stem by threads, and the power device of the drilling machine drives the inner sieve tube connector 5 to move longitudinally along the inner wall of the auger stem, so that the inner sieve tube 6 is screwed out of the auger stem and enters a specified aquifer; after the groundwater enters the inner sieve tube 6 through the filtering seam, an external sampling pump is used for sampling; after the sampling at the appointed depth is finished, the power device of the drilling machine drives the inner sieve tube 6 to rotate back into the spiral drill rod, the end plug 8 at the bottom end of the inner sieve tube 6 plugs a gap between the inner sieve tube 6 and the spiral drill rod, and the power device of the drilling machine drives the spiral drill rod to continue drilling or pull back.
When multi-depth sampling is carried out at the same place, the inner sieve tube 6 and the interlayer space of the spiral drill rod are cleaned according to the requirement of underground water emergency sampling, and clean water which accords with the cleaning of sampling equipment is injected into the inner drill rod 3 to be cleaned and pumped out under the state that the tail end plug 8 is blocked.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an emergent sampling device of groundwater which characterized in that: including outer drilling rod (1) and interior drilling rod (3), interior drilling rod (3) are located the inside of outer drilling rod (1), and follow the length direction of outer drilling rod (1) removes, the bottom of outer drilling rod (1) is provided with helical bit (7), the bottom of interior drilling rod (3) is provided with interior screen pipe (6), interior screen pipe (6) are located the inside of helical bit (7).
2. The emergency groundwater sampling device according to claim 1, wherein: the top of the inner drill rod (3) is provided with an inner drill rod connector (2), and the inner drill rod connector (2) is connected with an external driving structure.
3. The emergency groundwater sampling device according to claim 2, wherein: the inner sieve tube (6) is connected with the inner drill rod (3) through an inner sieve tube connector (5), external threads are arranged on the outer portion of the inner sieve tube connector (5), internal threads are arranged on the inner portion of the outer drill rod (1), and the inner sieve tube connector (5) is in threaded connection with the inner wall of the outer drill rod (1).
4. The emergency groundwater sampling device according to claim 1, wherein: the bottom of the inner sieve tube (6) is provided with a tail end plug (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057613.7U CN215767825U (en) | 2021-08-30 | 2021-08-30 | Emergency sampling device for underground water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122057613.7U CN215767825U (en) | 2021-08-30 | 2021-08-30 | Emergency sampling device for underground water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215767825U true CN215767825U (en) | 2022-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122057613.7U Active CN215767825U (en) | 2021-08-30 | 2021-08-30 | Emergency sampling device for underground water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215767825U (en) |
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2021
- 2021-08-30 CN CN202122057613.7U patent/CN215767825U/en active Active
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