CN212272032U - Drill bit device with functions of collecting rapid water taking from underground water and injecting and repairing in situ - Google Patents
Drill bit device with functions of collecting rapid water taking from underground water and injecting and repairing in situ Download PDFInfo
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- CN212272032U CN212272032U CN202020438574.8U CN202020438574U CN212272032U CN 212272032 U CN212272032 U CN 212272032U CN 202020438574 U CN202020438574 U CN 202020438574U CN 212272032 U CN212272032 U CN 212272032U
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Abstract
The utility model provides a collect quick water intaking of groundwater and drill bit device of normal position injection restoration function mainly relates to the environment restoration technology field. The utility model provides a collect quick water intaking of groundwater and normal position injection restoration function's drill bit device, includes drill bit, injection head and sleeve pipe, and the drill bit is fixed to be set up in the injection head bottom, set up the injection chamber in the injection head, set up a plurality of injection holes on the injection chamber outer wall, set up stop device between injection head and the sleeve pipe, the sleeve pipe top sets up little connector, little connector is middle part through structure. The beneficial effects of the utility model reside in that: the utility model discloses can carry out the groundwater quick water intaking of low disturbance in various stratum (including fine sand layer) to can use this drill bit to carry out depthkeeping straight pushing-type normal position injection simultaneously, can be according to the nimble degree of depth of adjusting the injection of the characteristics of stratum and pollutant distribution.
Description
Technical Field
The utility model relates to an environment restoration technical field specifically is a collect quick water intaking of groundwater and normal position injection repair function's drill bit device.
Background
Due to the extensive economic development mode of China in the last century, the current environmental pollution problem of China is more serious. The pollution of atmosphere and surface water exists on the earth surface, the pollution is firstly paid attention by people, the pollution is treated and relieved to a certain extent at present, but because the stratum below the earth surface is complex, the underground water flows slowly, so that the pollution of the underground water has the characteristics of slow process, difficult discovery and difficult treatment, if the underground water is not specially monitored, the pollution is difficult to discover in time, more importantly, the pollution of the underground water is difficult to eliminate, the pollution source is discovered, the pollution source is immediately treated, repaired or controlled, and the further diffusion of the pollutants in the underground water is prevented.
The underground water is usually monitored by building an underground water monitoring well, the underground water monitoring well is usually built in a spiral or rotary mode, the disturbance to soil and underground water in the drilling well building process is high, the cross contamination of an upper layer and a lower layer is easy to generate, meanwhile, unstable pollutants can be decomposed or volatilized in the process, and particularly when drilling fluid or mud is used for assisting drilling, new pollutants can be brought into the underground water. Therefore, after the underground water monitoring well is built, the underground water can be recovered to a stable state before the well is built after a long time, and then the underground water sample can be collected. If the detection result shows that the pollution exists in the underground water, the injection well in-situ injection technology is generally used for further repairing the underground water. The traditional underground water monitoring and repairing mode is long in time consumption, further diffusion of pollution can be caused by large disturbance, particularly in the geological condition of a fine sand layer, the monitoring well is difficult to construct due to the fact that a sand gushing phenomenon can be generated in the well construction process, and a representative underground water sample cannot be obtained; in addition, the width of the screen opening of the underground water monitoring well pipe is long, the underground water pollution is usually existed at the junction of the stratum, in the injection repairing process, a repairing medicament easily forms a priority channel in the stratum with high permeability, so that the pollutant in the other stratum can not be effectively repaired, the pollution is repeated, the repairing efficiency is reduced, and the repairing cost is increased.
SUMMERY OF THE UTILITY MODEL
For solving prior art's not enough, the utility model provides a collect quick water intaking of groundwater and normal position injection restoration function's drill bit device, it relies on direct impulse type drilling technique to carry out the quick sample of groundwater and direct injection restoration, can carry out the quick water intaking of groundwater of low disturbance in various stratum (including the fine sand layer) to can use this drill bit to carry out the injection of fixed-depth straight push type normal position simultaneously, can be according to the nimble degree of depth of adjustment injection of the characteristics of stratum and pollutant distribution.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
the utility model provides a collect quick water intaking of groundwater and normal position injection restoration function's drill bit device, includes drill bit, injection head and sleeve pipe, and the drill bit is fixed to be set up in the injection head bottom, set up the injection chamber in the injection head, set up a plurality of injection holes on the injection chamber outer wall, injection head and sleeve pipe sliding connection, set up stop device between injection head and the sleeve pipe, the sleeve pipe top sets up little connector, little connector is used for connecting sleeve pipe and drilling rod, little connector is middle part through structure.
And a filter screen is arranged on the inner wall of the injection cavity and covers the injection hole.
Stop device is including fixing the anticreep ring at injection head top and setting up the anticreep connector in the sleeve pipe bottom, the internal diameter of anticreep connector is greater than the external diameter of injection head just is less than the external diameter of anticreep ring.
Set up the injection module between little connector and the drilling rod, the injection module includes fixed connection's big connector and injection valve carrier, big connector is located injection valve carrier top, big connector is used for connecting injection valve carrier and drilling rod, big connector center sets up the injection passageway, the injection valve carrier is used for connecting big connector and little connector, injection valve carrier bottom sets up the mounting panel, the mounting panel middle part sets up the slide opening, it sets up the injection valve to slide in the slide opening, set up the spring between injection valve and the mounting panel, the injection valve top is used for sealing the injection passageway, set up a plurality of liquid holes of crossing on the mounting panel.
The bottom of the large connector is provided with a chamfer, and the top of the injection valve is a ball head matched with the chamfer.
Contrast prior art, the beneficial effects of the utility model are that:
(1) compared with a mode of sampling underground water after spirally building an underground water monitoring well, the device has the advantages that disturbance to soil and underground water is small, decomposition and volatilization of pollutants are avoided, new pollution is not introduced, and the obtained underground water is more representative;
(2) the underground water sampling device is used for sampling underground water, the drilling speed is high, the underground water can be directly taken, and the water taking efficiency is improved;
(3) the device has two functions of groundwater water taking and injection, and can realize the conversion of tool functions only by simply operating and disassembling two components, thereby avoiding the disadvantages that two sets of complex devices are needed for water taking and injection of the traditional monitoring well, shortening the time interval from water taking to restoration, avoiding further diffusion of groundwater pollution, reducing the cost and improving the restoration efficiency;
(4) the device can rapidly take water and inject underground water under the geological condition of a sand layer, which cannot be taken and injected by a monitoring well;
(5) the device integrates two functions of water taking and injection, so that the tool is simplified, the labor intensity is reduced, and the manufacturing cost is reduced.
Drawings
Fig. 1 is a structural schematic diagram of the embodiment 1 of the present invention in the drilling state;
fig. 2 is a schematic structural view of a water getting state in embodiment 1 of the present invention;
fig. 3 is a structural schematic diagram of the embodiment 2 of the present invention in the drilling state;
FIG. 4 is a schematic structural view of an injection state of embodiment 2 of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 3.
Reference numerals shown in the drawings: 1. a drill bit; 2. an injection head; 3. a sleeve; 4. a limiting device; 5. a small connector; 6. an injection module; 21. an injection cavity; 22. an injection hole; 23. a filter screen; 41. the anti-drop ring; 42. an anti-drop connector; 61. a large connector; 62. an injection valve carrier; 63. an injection channel; 64. mounting a plate; 65. a slide hole; 66. an injection valve; 67. a spring; 68. a liquid passing hole; 69. a ball head.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
As shown in figures 1-5, the utility model relates to a collect quick water intaking of groundwater and normal position injection restoration function's drill bit device, including drill bit 1, injection head 2 and sleeve pipe 3, drill bit 1 is fixed to be set up in injection head 2 bottoms, and the drill bit is solid drill bit, drill bit and injection head welding or integrated into one piece. The center of the injection head 2 is an injection cavity 21, the outer wall of the injection cavity 21 is provided with a plurality of through holes as injection holes 22, and the injection head 2 is connected with the sleeve 3 in a sliding manner. And a limiting device 4 is arranged between the injection head 2 and the sleeve 3 and prevents the injection head from slipping off in the sleeve. When the device is in a drilling state, the injection head is positioned in the sleeve, and the sleeve shields the injection hole of the injection head, so that the injection hole is prevented from being blocked by impurities such as silt in the drilling process. When the device is in a sampling (water taking) state, the injection head is exposed in the sleeve by lifting the drill rod, so that underground water can be introduced into the injection head, and a water sample can be extracted by the pump body through the hollow drill rod. The top of the sleeve 3 is in threaded connection with a small connector 5, the small connector 5 is used for connecting the sleeve 3 with a drill rod, and the small connector is also in threaded connection with the drill rod. The small connector 5 is a structure with a through middle part and allows injection or underground water to pass through. The device is used for rapidly taking water and injecting and repairing underground water by means of a low-disturbance direct-push drilling technology, the drill bit device is directly injected into an underground water polluted place to directly take water and repair by means of self gravity and impact force of the hydraulic impact hammer, and an underground water monitoring well does not need to be built. The injection mode of the drill bit has small disturbance to soil and underground water, can not cause the decomposition and volatilization of pollutants, can not introduce new pollution, and the obtained underground water has more representativeness. And the device can be used for directly taking water from underground water, thereby improving the water taking efficiency.
Specifically, a filter screen 23 is welded on the inner wall of the injection cavity 21, the filter screen is a stainless steel filter screen, and the injection hole 22 is covered by the filter screen 23. Through the filtering action of filter screen, can prevent that large granule impurity from getting into the injection intracavity and blockking up this device.
Specifically, stop device 4 includes that interference fit installs the anticreep connector 42 in the anticreep ring 41 and the threaded connection in sleeve pipe 3 bottom at injection head 2 top, the internal diameter of anticreep connector 42 is greater than the external diameter of injection head 2 just is less than the external diameter of anticreep ring 41. Through the cooperation of anticreep connector and anticreep ring, can carry on spacingly to the injection head, prevent that the injection head from slipping in the cover intraductal.
Specifically, the injection module 6 is detachably mounted between the small connector 5 and the drill rod, and the drill bit device provided with the injection module can realize the in-situ injection soil/underground water remediation function. The injection module 6 comprises a large connector 61 and an injection valve carrier 62 which are connected through threads, the large connector 61 is located at the top of the injection valve carrier 62, the large connector 61 is used for connecting the injection valve carrier 62 with a drill rod, and the large connector and the drill rod are also connected through threads. The center of the large connector 61 is provided with an injection channel 63, the injection valve carrier 62 is used for connecting the large connector 61 and the small connector 5, and the injection valve carrier and the small connector are in threaded connection in the same way. The injection valve carrier 62 is characterized in that a mounting plate 64 is integrally formed at the bottom of the injection valve carrier 62, a sliding hole 65 is formed in the middle of the mounting plate 64, an injection valve 66 is slidably mounted in the sliding hole 65, a spring 67 is mounted between the injection valve 66 and the mounting plate 64 and is in a compressed state, and the injection valve 66 is contacted with the bottom of the injection channel 63 by pushing the injection valve, so that the injection channel is closed. The mounting plate 64 is provided with a plurality of liquid passing holes 68 which are used as liquid passing channels and allow injection liquid to pass through when sampling underground water. When the device is in a drilling state, the sleeve covers the injection cavity and the injection hole, so that soil and impurities in the drilling process are prevented from blocking the injection hole; when the drill bit device is in an injection state, only the drill rod needs to be lifted, the injection head is exposed out of the sleeve under the action of gravity, the drill rod is connected through the high-pressure pump, liquid medicine is injected through the drill rod, the high-pressure liquid medicine impacts the injection valve at the injection channel after passing through the cavity of the large connector, the injection valve overcomes the elasticity of the spring to open the injection channel, and the medicine enters the injection cavity through the liquid passing hole and is sprayed outwards through the injection hole. After the injection is completed, the spring pushes the injection valve to seal the injection channel, so that the liquid medicine can be prevented from flowing back, and impurities such as silt and the like are prevented from entering the drill rod along with the liquid medicine to block the drill rod. Through installing the injection valve subassembly between the little connector of this device and drilling rod, can ensure to seal the injection passage of liquid medicine promptly after the injection is accomplished, guarantee this device is not blockked up.
Specifically, a chamfer is processed at the bottom of the large connector 61, and a ball head 69 matched with the chamfer is arranged at the top of the injection valve 66. The injection channel is sealed by the ball head, so that the injection valve can well seal the injection channel.
Example 1:
and (3) suspected of carrying out stealing and leaking discharge in the production process of a certain chemical plant to cause groundwater pollution, surveying the groundwater in the plant area, and determining injection repair according to the survey result. The direct-push type drilling machine is moved to a point position needing investigation, underground water is sampled quickly, a drill rod is connected with a casing pipe through a small connector, an injection head is arranged in the casing pipe, and the bottom of the injection head is connected with a drill bit. The direct-push drilling machine utilizes self gravity and impact force of the hydraulic impact hammer to inject the drill bit device into a groundwater pollution position, the sleeve covers the injection head in the injection process, the injection hole is protected, and soil and impurities in the drilling process are prevented from blocking the injection hole and the injection cavity. When the underground water sampling position is reached, the drill rod is slightly pulled upwards, the sleeve slides upwards to expose the injection hole of the injection head, the underground water flows into the injection cavity through the injection hole and is gathered, the stainless steel filter screen prevents sediment from blocking the injection hole in the process, and the underground water in the injection cavity is pumped to the ground surface by the water pump to finish sampling.
Example 2:
when the polluted underground water needs to be injected and repaired, the whole drill bit device is pulled out of the ground surface and cleaned by clear water, the drill rod, the injection module and the sleeve are connected by using the large connector and the small connector, and at the moment, the stainless steel filter screen in the injection cavity can be selectively detached. The direct-push type drilling machine penetrates a drill bit device into a position where groundwater soil pollution needs to be repaired, in the penetrating process, the spring is in a compression state, the spring props against an injection valve at the upper end to block an injection channel of a large connector, and the sleeve covers an injection cavity and an injection hole to prevent soil and impurities in the drilling process from blocking the injection hole. When the repairing depth is reached, the drill rod is slightly pulled upwards slightly, the sleeve slides upwards along with the drill rod to expose the injection channel, the injection agent enters the hollow channel in the large connector through the drill rod under certain pressure, the injection valve is pushed open to flow by overcoming the pressure of the spring along with the pressure of the agent, the injection agent enters the injection cavity through the liquid passing hole, and the agent is sprayed to the outside soil and underground water through the injection hole in the injection cavity. After injection is finished, the drill rod is pulled back, and the spring is in a compressed state due to the fact that injection pressure is removed, so that the injection valve at the upper end is propped against the injection channel of the large connector, and backflow of injected medicament is prevented.
Claims (5)
1. The utility model provides a collect quick water intaking of groundwater and normal position injection restoration function's drill bit device, includes drill bit (1), injection head (2) and sleeve pipe (3), its characterized in that: drill bit (1) is fixed to be set up in injection head (2) bottom, set up injection chamber (21) in injection head (2), set up a plurality of injection holes (22) on injection chamber (21) outer wall, injection head (2) and sleeve pipe (3) sliding connection, set up stop device (4) between injection head (2) and sleeve pipe (3), sleeve pipe (3) top sets up little connector (5), little connector (5) are used for connecting sleeve pipe (3) and drilling rod, little connector (5) are middle part link up structure.
2. The drill bit device integrating the functions of rapid water intake of underground water and in-situ injection and repair according to claim 1, is characterized in that: a filter screen (23) is arranged on the inner wall of the injection cavity (21), and the injection hole (22) is covered by the filter screen (23).
3. The drill bit device integrating the functions of rapid water intake of underground water and in-situ injection and repair according to claim 1, is characterized in that: stop device (4) are including fixing anticreep ring (41) at injection head (2) top and setting up anticreep connector (42) in sleeve pipe (3) bottom, the internal diameter of anticreep connector (42) is greater than the external diameter of injection head (2) just is less than the external diameter of anticreep ring (41).
4. The drill bit device integrating the functions of rapid water intake of underground water and in-situ injection and repair according to claim 1, is characterized in that: set up injection module (6) between little connector (5) and the drilling rod, injection module (6) include fixed connection's big connector (61) and injection valve carrier (62), big connector (61) are located injection valve carrier (62) top, big connector (61) are used for connecting injection valve carrier (62) and drilling rod, big connector (61) center sets up injection passage (63), injection valve carrier (62) are used for connecting big connector (61) and little connector (5), injection valve carrier (62) bottom sets up mounting panel (64), mounting panel (64) middle part sets up slide opening (65), slide in slide opening (65) and set up injection valve (66), set up spring (67) between injection valve (66) and mounting panel (64), injection valve (66) top is used for sealing injection passage (63), the mounting plate (64) is provided with a plurality of liquid passing holes (68).
5. The drill bit device integrating the functions of rapid water intake of underground water and in-situ injection and repair according to claim 4 is characterized in that: the bottom of the large connector (61) is provided with a chamfer, and the top of the injection valve (66) is provided with a ball head (69) matched with the chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020438574.8U CN212272032U (en) | 2020-03-30 | 2020-03-30 | Drill bit device with functions of collecting rapid water taking from underground water and injecting and repairing in situ |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020438574.8U CN212272032U (en) | 2020-03-30 | 2020-03-30 | Drill bit device with functions of collecting rapid water taking from underground water and injecting and repairing in situ |
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| CN212272032U true CN212272032U (en) | 2021-01-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270997A (en) * | 2020-03-30 | 2020-06-12 | 山东省环境保护科学研究设计院有限公司 | Drill bit device with functions of collecting rapid water taking from underground water and injecting and repairing in situ |
| CN113070335A (en) * | 2021-03-31 | 2021-07-06 | 万物生(苏州)环境科技有限公司 | Soil directional fixed-point accurate injection method |
-
2020
- 2020-03-30 CN CN202020438574.8U patent/CN212272032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270997A (en) * | 2020-03-30 | 2020-06-12 | 山东省环境保护科学研究设计院有限公司 | Drill bit device with functions of collecting rapid water taking from underground water and injecting and repairing in situ |
| CN113070335A (en) * | 2021-03-31 | 2021-07-06 | 万物生(苏州)环境科技有限公司 | Soil directional fixed-point accurate injection method |
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