CN214409333U

CN214409333U - Earth electric extraction element under water layer covers

Info

Publication number: CN214409333U
Application number: CN202120715283.3U
Authority: CN
Inventors: 高文; 王葆华; 欧阳菲; 刘攀峰; 罗先熔
Original assignee: Guilin University of Technology
Current assignee: Guilin University of Technology
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-10-15
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses an underground electrowinning device covered by a water layer, which belongs to the technical field of mineral exploration and comprises an auxiliary pipe, an outer sleeve, a main pipe, a mud extractor, a packaged extraction electrode and a fixed ferrule; one end of the auxiliary pipe is opened, and the other end is closed; one end of the outer sleeve is provided with an opening, and the other end of the outer sleeve is detachably connected with a top cover; the inner diameter of the outer sleeve is larger than the outer diameter of the auxiliary pipe; the outer diameter of the main pipe is smaller than the inner diameter of the outer sleeve; the mud lifting device comprises an inner rod, an outer rod and a bottom plate, wherein the outer rod is sleeved outside the inner rod; one end of the inner rod is provided with a mud collecting wheel, and the other end is provided with a handle; the packaged extraction electrode comprises a shell, wherein a liquid storage bottle for storing extracting solution and a traditional electrode are arranged in the shell; the fixed ferrule includes a power supply box and 2 ferrules. The utility model discloses an assist pipe, outer tube and increase three steps of measures such as excavation depth and ensure water proof effect to draw the electrode through the encapsulated type and realized the improvement to aspects such as portability, operability and the security of device.

Description

Earth electric extraction element under water layer covers

Technical Field

The utility model belongs to the technical field of mineral exploration, concretely relates to water layer covers underground lightning extraction element.

Background

The search for concealed minerals with larger depth is a main task of domestic and international mineral exploration work, so the research and development of the penetration exploration technology is an important development direction of the current mineral exploration method. The device used by the existing geoelectricity extraction technology mainly comprises a power supply and an extraction electrode, and is an ore searching method for extracting trace elements in soil through electric field excitation.

The prior art has the following problems:

1) is not suitable for special landforms, such as paddy fields, swamps, rivers and other conditions with water coverage. In case of significant water accumulation on the earth's surface, the water will bring the trace elements in the earth's surface layer of fig. 1 to the extraction electrode, which will seriously affect the measurement effect. Geoelectricity extraction is used as a penetration exploration technology, and the measured trace elements mainly come from underground depths and are accumulated under the action of geology for a long time (up to millions of years), and the content of the trace elements is very low (below ppm level). Not only the composition and content of trace elements in the topsoil layer are greatly different from those of the residual layer; moreover, it is affected by human and other factors, especially heavy metal contamination. Both of these conditions will have a significant effect on the measurement results, resulting in that the measurement can only be abandoned or the measurement location altered in the event of significant water accumulation on the surface.

2) There is a certain problem of loss of the extract. Because the extraction electrode is arranged in the soil, the extraction liquid is poured into the open space around the extraction electrode and can diffuse to the periphery along with time. Obvious loss is observed after more than 24 hours, and the loss degree is more obvious particularly in dry and sandy soil; the extent of run-off within 24 hours was not significant. The loss of the extracting solution mainly influences the conductivity of the soil, the resistivity between the two extracting electrodes is improved, and the extracting effect is reduced.

3) The existing operation process destroys the original structure of soil and has potential artificial influence. When the extraction electrode is buried, a pit with the depth of 50CM needs to be dug, and soil around the extraction electrode is actually disturbed and is a result of artificial backfilling. Therefore, the operation destroys the original soil structure, increases the porosity, changes the conductivity and increases the artificial influence.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses following technical scheme has been taken:

an underground electric extraction device covered by a water layer comprises an auxiliary pipe, an outer sleeve pipe, a main pipe, a mud extractor, a packaged extraction electrode and a fixed ferrule;

one end of the auxiliary pipe is opened, and the other end of the auxiliary pipe is closed;

one end of the outer sleeve is provided with an opening, the other end of the outer sleeve is detachably connected with a top cover, and a central hole is formed in the top cover; the inner diameter of the outer sleeve is larger than the outer diameter of the auxiliary pipe;

the outer diameter of the main pipe is smaller than the inner diameter of the outer sleeve;

the mud lifting device comprises an inner rod, an outer rod and a bottom plate, wherein the outer rod is rotatably sleeved on the outer side of the inner rod; one end of the inner rod is provided with a mud collecting wheel, and the other end of the inner rod is provided with a handle; the bottom plate comprises a first bottom plate and a second bottom plate which are arranged up and down, the first bottom plate and the second bottom plate are alternately provided with a plurality of mud passing holes, and the first bottom plate and the second bottom plate are attached to one end close to the mud collecting wheel, wherein the first bottom plate is fixedly connected with the outer rod, and the second bottom plate is fixedly connected with the inner rod; the diameters of the mud collecting wheel, the first bottom plate and the second bottom plate are matched with the inner diameter of the outer sleeve;

the packaged extraction electrode comprises a shell, the shell comprises a shell upper part and a shell lower part, the shell upper part is of a closed structure, the shell lower part is of an open structure, a tray is arranged at the bottom end of the shell lower part, and the tray is connected with the shell upper part through a column;

a liquid storage bottle for storing extracting solution is arranged in the upper part of the shell, a traditional electrode is arranged between the tray and the upper part of the shell, a dropper with a valve is arranged between the liquid storage bottle and the traditional electrode, and the dropper conveys the extracting solution in the liquid storage bottle to the traditional electrode;

the fixed ferrule comprises a power supply box and 2 ferrules, wherein the 2 ferrules are arranged at two ends of the power supply box respectively, the ferrules are connected with the power supply box in a distance-adjustable mode, and the ferrules are matched with the lifting rod.

Furthermore, the first bottom plate and the second bottom plate are both circular and are provided with three uniformly distributed fan-shaped mud passing holes, and the generatrix of each fan-shaped mud passing hole is radially and outwards arranged from the center of the circle.

Further, the upper surface of shell is provided with first screw, first screw with carry put the lifting rod cooperation of shell.

Further, the liquid storage bottle and the traditional electrode are fixedly connected through a connector, the connector comprises a shell, one end of the shell is an opening, a second screw hole used for fixing the liquid storage bottle is formed in the opening, a closed bottom plate is arranged at the other end of the shell, and an electric clamp used for fixing the traditional electrode is arranged on the closed bottom plate; the electrical clamp holds the carbon rod in the conventional electrode.

Furthermore, a connecting rod and a screw sleeve are arranged between the ferrule and the power supply box, one end of the screw sleeve is fixedly connected with the power supply box, and the other end of the screw sleeve is in threaded connection with the connecting rod; the other end of the connecting rod is fixedly connected with the ferrule.

Has the advantages that:

1. the utility model discloses an assist three steps of measures such as pipe, outer tube and increase excavation depth and ensure the water proof effect.

As described in the operating step: firstly, using an auxiliary pipe to primarily isolate water and sludge; secondly, the outer sleeve is utilized to achieve primary waterproof, so that most of water cannot flow into the outer sleeve. The depth of the outer casing is large, and the water absorption of the soil ensures that the upper water and the sludge cannot seep down quickly (at least within 24h of extraction time); thirdly, the method of digging out the small pit at the bottom of the pit further ensures the occurrence of accidental water seepage; if the outer casing loosens, it may cause a small amount of water to seep down along the space between the pipe and the soil, and therefore, the third step is to prevent this. In addition, waterproof and water-absorbing substances can be filled between the outer casing and the main pipe to achieve the purpose of water isolation, for example, plastic cloth is added firstly, and then soil is filled in.

2. The utility model completes the task of laying the electrodes under the depth of 1-2m, and the electrode embedding depth in the prior art is about 50CM generally; under special conditions, the depth of a soil layer meeting the requirements can often reach 1-2m and even be deeper; the utility model can complete the embedding work with the depth of 1-2m, even 3-4m, and only needs to increase the length of the outer sleeve and the main pipe.

3. The utility model discloses an electrode is drawed to the encapsulation formula has realized the improvement to aspects such as portability, operability and the security of device. The encapsulated extraction electrode integrates the extracting solution and the traditional electrode, can be laid outdoors after being manufactured indoors, is convenient to carry, and reduces the field operation time and workload.

4. Under the same embedding depth, the operation in the prior art is to dig a 50CM big pit first, 1-2 persons carry tools to dig, which wastes time and labor; the utility model can be realized by only digging a small pit (12CM hole).

In addition, under the same conditions, the operation steps are simplified, the influence of manual operation is reduced, and the operation of embedding the electrode in the prior art comprises 6 steps of digging a pit, embedding the electrode, filling soil, pouring extracting solution, compacting soil, connecting a power supply and the like; the utility model can be operated by only 3 steps of digging pit, burying electrode, connecting power supply, etc., the operation is simple, and the disturbance to soil and the nonuniformity of the extracting solution of manual irrigation are reduced; meanwhile, the extracting solution is concentrated inside the traditional electrode and diffuses from inside to outside, so that the electrifying effect and the extracting effect are guaranteed to the maximum extent.

5. The utility model provides an extract fills, only need link the interface of storage container with the rubber tube, open the valve can, the operating personnel that has significantly reduced and the chance of acidizing fluid contact, improved the security of operation.

Drawings

FIG. 1 is a schematic view of the overall structure of an auxiliary pipe;

FIG. 2 is a schematic view of the overall structure of the outer sleeve;

FIG. 3 is a schematic view of a main tube;

FIG. 4 is a schematic view of the overall structure of the mud extractor;

FIG. 5 is a schematic structural view of a mud collecting wheel;

FIG. 6 is a schematic structural view of a first base plate (second base plate);

FIG. 7 is a schematic view of the overall structure of the packaged extraction electrode;

FIG. 8 is a schematic structural view of the housing;

FIG. 9 is a schematic structural view of a tray;

FIG. 10 is a schematic view of the structure of the lifting bar;

FIG. 11 is a schematic view of the overall structure of the fixing collar;

FIG. 12 is a schematic view of placement of the outer sleeve;

FIG. 13 is a schematic illustration of using the outer casing to dredge and set to a suitable depth;

FIG. 14 is a schematic view of placement of a host and encapsulated extraction electrodes;

FIG. 15 is a schematic diagram of the arrangement of electrodes and energization;

wherein, 1, auxiliary pipe; 2. an outer sleeve; 21. a pipe body; 22. a top cover; 3. a main pipe; 4. a mud extractor; 41. a mud collecting wheel; 42. a base plate; 43. an outer rod; 44. an inner rod; 45. a handle; 5. a packaged extraction electrode; 51. a liquid storage bottle; 52. a conventional electrode; 53. a connector; 531. a second screw; 532. a housing; 533. an electrical clamp; 54. a dropper; 55. a valve; 56. a plug; 57. a hose; 58. a housing; 581. A first screw port; 59. a tray; 510. lifting a rod; 511. a metal wire; 512. a column; 6. fixing the ferrule; 61. a ferrule; 62. a connecting rod; 63. a screw sleeve; 64. a power supply box; 7. a water layer; 8. a water-rich soil layer; 9. and (5) drying the soil layer.

Detailed Description

Example 1

An electric extraction device under water layer coverage comprises an auxiliary pipe 1, an outer sleeve 2, a main pipe 3, a mud extractor 4, a packaging type extraction electrode 5 and a fixing ferrule 6.

One end of the auxiliary pipe 1 is open and the other end is closed. In this embodiment, the auxiliary pipe 1 is made of plastic material, and has a diameter of 15CM and a length of 1M each. The auxiliary pipe 1 is used for preliminarily discharging and squeezing out sludge containing more water at the bottom of the water, and ensures that when the outer sleeve 2 is used, too much water and sludge cannot exist in the outer sleeve 2. If the length of the auxiliary pipe 1 is not enough, the auxiliary pipe can be sleeved by one.

One end of the outer sleeve 2 is an opening, the other end is detachably connected with a top cover 22, and a central hole is formed in the top cover 22; the inner diameter of the pipe body 21 of the outer sleeve 2 is larger than the outer diameter of the auxiliary pipe 1. In this embodiment, the outer sleeve 2 is a steel tube, and the diameter of the tube body 21 of the outer sleeve 2 is similar to that of the auxiliary tube 1 (slightly larger than 15 CM), but preferably, the outer sleeve is just sleeved outside the auxiliary tube 1, and each length is 1M. The outer jacket 2 serves as a primary barrier to the penetration of external water into the surrounding extraction device. If the length of the outer sleeve 2 is not enough, one sleeve can be added.

Wherein, the top cover 22 of the outer sleeve 2 is provided with a central hole, and the lifting rod 510 can be sleeved therein to fix the lifting rod 510. The outer sleeve 2 is matched with a mud lifting device 4, the diameter of the outer sleeve and the diameter of the mud lifting device 4 are the same, and soil is excavated through the mud lifting device 4.

The outer diameter of the main tube 3 is smaller than the inner diameter of the outer tube 2. In this embodiment, the main tube 3 is a steel tube with both ends open, and has a diameter of 5CM and a length of 1.5M each. The main pipe 3 serves to dig out the earth and drill it down, and also serves to bury the earth extraction electrodes. In this embodiment, a mud lifting device 4 is provided to match the main pipe 3, and the diameter of the mud lifting device 4 is the same, so that the earth is excavated by the mud lifting device.

The mud lifting device 4 comprises an inner rod 44, an outer rod 43 and a bottom plate 42, wherein the outer rod 43 is sleeved outside the inner rod 44; one end of the inner rod 44 is provided with a mud collecting wheel 41, and the other end is provided with a handle 45; the bottom plate 42 comprises a first bottom plate and a second bottom plate which are arranged up and down, the first bottom plate and the second bottom plate are correspondingly provided with a plurality of mud passing holes, the rest parts are used as mud guards, and when the first bottom plate and the second bottom plate are overlapped, the mud passing holes are covered by the mud guards; the first bottom plate and the second bottom plate are arranged at one end close to the mud collecting wheel 41, wherein the first bottom plate is fixedly connected with the outer rod 43, and the second bottom plate is fixedly connected with the inner rod 44; the outer contours of the mud collecting wheel 41, the first bottom plate and the second bottom plate are matched with the inner diameter of the main pipe 3 or the outer sleeve 2.

In this embodiment, first bottom plate and second bottom plate are circular, and all are provided with the fan-shaped mud hole of crossing of three equipartitions, and the generating line that the mud hole was crossed to the fan-shaped radial outward radiation setting by circular center.

In this embodiment, when the excavation operation is performed, the outer rod needs to be rotated to completely overlap the upper and lower sheets of the first bottom plate and the second bottom plate, and the openings of the fan-shaped mud passing holes are communicated. When carrying out the operation of carrying soil, rotate outer pole and make two slices intercross each other about first bottom plate and the second bottom plate, the drill way in fan-shaped mud hole of crossing shelters from each other, can upwards draw to the mouth of pipe position and take out earth with carrying mud ware 4.

In this embodiment, the mud collecting wheel 41 is a turbine blade.

The packaged extraction electrode 5 comprises a shell 58, the shell 58 comprises a shell upper part and a shell lower part, the shell upper part is of a closed structure, the shell lower part is of an open structure, a tray 59 is arranged at the bottom end of the shell lower part, and the tray 59 is connected with the shell upper part through a column 512;

a liquid storage bottle 51 for storing extracting solution is arranged in the upper part of the shell, a traditional electrode 52 is arranged between the tray 59 and the upper part of the shell, a dropper 54 with a valve 55 is arranged between the liquid storage bottle 51 and the traditional electrode 52, and the dropper 54 conveys the extracting solution in the liquid storage bottle 51 to the traditional electrode 52. Wherein the upper surface of the housing 58 is provided with a lifting bar 510.

In this embodiment, the conventional electrode 52 is the electrode described in patent CN200720125708.5, and its structure is completely the same, and it has not changed any way to inherit the original characteristics.

The liquid storage bottle 51 is used for storing extracting solution, generally HNO with specific concentration₃Solution (other components can be changed according to requirements).

The bottom of the liquid storage bottle 51 is provided with a dropper 54 with a valve, which is mainly used for conveying the extracting solution in the liquid storage bottle 51 to the traditional electrode 52. The dropper 54 is mainly composed of a plastic hose, the tip of the dropper is a plug 56, and the plug 56 is made of hard plastic and can be inserted into the foam plastic of the traditional electrode; the valve is made of plastic, the drip irrigation principle of the valve is the same as that of a medical infusion tube, and the flow of liquid is controlled by pushing the roller.

Two hoses 57 are designed on the top of the liquid storage bottle 51, and the liquid storage bottle can be connected with the hoses 57 indoors and can be used for adding extracting solution; in addition, after the electrodes are arranged in the field, the electrodes are communicated with the atmosphere to maintain the pressure difference between the top and the bottom of the liquid storage bottle 51, so that the liquid can smoothly flow out of the dropper 54. When the extracting solution is added, a hose is required to be communicated with the atmosphere; the two hoses are kept clamped during transportation to prevent liquid from flowing outwards.

The reservoir 51 and the conventional electrode 52 are fixedly connected by a connector 53. The connector 53 has a cylindrical plastic housing 532, wherein the housing 532 is closed at the bottom and open at the top, and the top opening is threaded to fit over the bottom of the reservoir 51 and to be threadably coupled to the reservoir 51. The bottom of the connector 53 is provided with an electrical clamp 533 for holding the conventional electrode, by which the carbon rod in the conventional electrode 52 is clamped.

In this embodiment, the metal wire 511 is led out from the electrical clamp 533 and led out of the connector 53 to be connected to a power source. The upper end of the connector 53 fixes the liquid storage bottle 51 by the second screw 531.

In the present embodiment, the housing 58 is cylindrical, and the conventional electrode 52, the connector 53, the liquid storage bottle 51, and other devices can be accommodated in the housing 58, and the main function of the housing is to place and retrieve the packaged extraction electrode.

In this embodiment, the housing 58 is divided into two parts, an upper part of the housing which is a closed plastic housing and a lower part of the housing which is an open structure, and a circular tray 59 is provided at the bottom end of the lower part of the housing, and the tray 59 is connected to the upper part by four thin posts 512. The top of the housing 58 is provided with a prepared hole for passing the hose 57 and the metal wire 511. Firstly, the upper part of the shell 58 is sleeved outside the liquid storage bottle 51 and the connector 53, and the hose 57 and the metal lead 511 pass through the reserved hole; the lower portion of the housing 58 is then placed over the conventional electrode 52 and the screw between the upper and lower portions of the housing is tightened.

The upper surface of the closed end of the casing 58 is provided with a first screw 581, and the first screw 581 is matched with the lifting rod 510 of the lifting casing 58.

The fixed ferrule 6 comprises a

power supply box

64 and 2 ferrules 61, wherein the 2 ferrules 61 are respectively arranged at two ends of the power supply box 64, the ferrules 61 are connected with the power supply box 64 in a distance-adjustable mode, and the ferrules 61 are matched with the lifting rod 510.

A connecting rod 62 and a screw sleeve 63 are arranged between the ferrule 61 and the power supply box 64, one end of the screw sleeve 63 is fixedly connected with the power supply box 64, and the other end is in threaded connection with the connecting rod 62; the other end of the connecting rod 62 is fixedly connected with the ferrule 61.

Wherein, the power box 64 is provided with a battery and a battery button for connecting the metal wire 511. The power supply box 64 is externally provided with a connecting rod 62 and a screw sleeve 63 (internally provided with screw threads), and the power supply box 64 can be connected with the ferrule 61 and fixed by screwing the screw sleeve 63. One end of the ferrule 61 is annular and can be sleeved on the lifting rod 510, and the ferrule can be more firmly fixed on the lifting rod 510 after screws are screwed; the other end of the ferrule 61 also has a connecting rod 62, the end of which is threaded to engage a threaded sleeve 63.

When in use: firstly, respectively sleeving the left sleeve ring 61 and the right sleeve ring 61 on the lifting rod 510, and screwing down screws for fixing; then, the screw socket 63 connected to the power supply box 64 is connected to the connection rod 62 and screwed. The distance between the two ferrules 61 is controlled by adjusting the tightness of the nut.

Example 2

A method of overburden geoelectrical extraction from a water layer using the apparatus of example 1, the method comprising the steps of:

s10, placing the outer sleeve 2: putting the closed end of the auxiliary pipe 1 into the water bottom, and forcibly pressing down to discharge water and sludge; and sleeving the outer sleeve 2 on the outer side of the auxiliary pipe 1, pressing down by using external force to fix the position of the outer sleeve 2, and taking out the auxiliary pipe 1.

S20, dredging by using the outer sleeve 2 and placing to a proper depth: the mud lift 4 is placed in the outer casing 2 and the handle 45 is rotated to dig up the soil or mud and remove it until the soil layer 9 is dry. If the water-rich soil layer 8 is thick, the mud lifting pipe can be repeatedly operated until the dry soil layer 9.

Wherein, the dry soil layer 9 has the judgment standard that the taken soil is obviously dry and loose particles.

In step S20, in step S10, the outer jacket tube 2 is pressed and erected in the dry soil layer 9.

S30, placing main tube 3, and encapsulated extraction electrode: placing the main pipe 3 in the outer sleeve 2, adding a mud lifting device 4 matched with the main pipe 3, and digging out a cylindrical pit body at the bottom of the outer sleeve 2 again; placing the packaged extraction electrode 5 into the cylindrical pit body, and taking out the main pipe 3; the stem 510 of the encapsulated extraction electrode 5 is passed through the cap 22 of the outer sleeve 2 and screwed.

Before the packaged extraction electrode is placed, the following preparation work needs to be carried out:

s31, fixing the conventional electrode 52 to the lower electrical clamp 533 of the connector 53, and inserting the tip of the dropper 54 into the foam of the conventional electrode 52;

s32, connecting the hose 57 with a container for storing the extracting solution, and filling a certain amount of extracting solution into the liquid storage bottle 51;

s33, sleeving the housing 58, and passing the hose 57 and the metal wire 511 through the top reserved hole of the housing 58.

S40, arranging electrodes and electrifying: repeating steps S10 to S30, and disposing another extraction electrode 5; then, 2 ferrules 61 of the fixed ferrule 6 are respectively sleeved on the two lifting rods 510 and fixed, and meanwhile, the power supply box 64 is fixed by screwing the screw sleeve 63 on the connecting rod 62; the metal leads 511 of the two encapsulated extraction electrodes are respectively connected with the positive electrode and the negative electrode of the power supply box 64;

s50, recovery device and preservation sample: after the power is supplied for a preset time, the lifting rod 510 is lifted upwards, and the packaged extraction electrode is taken out; the conventional electrode 52 was disassembled, the foam was removed and packaged in a plastic bag, and the plastic bag was used as a sample for laboratory analysis.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A water layer covered ground electric extraction device is characterized by comprising an auxiliary pipe, an outer sleeve, a main pipe, a mud extractor, a packaged extraction electrode and a fixed ferrule;

2. The device for extracting underground water covered by a layer of water of claim 1, wherein the first bottom plate and the second bottom plate are circular and are each provided with three evenly distributed fan-shaped mud passing holes, and generatrices of the fan-shaped mud passing holes are radially and outwardly arranged from a circular center.

3. An electrical extraction apparatus under water blanket as claimed in claim 1 wherein the upper surface of the housing is provided with a first screw which engages with a lifting bar which lifts the housing.

4. The device for ground electric extraction under water layer coverage of claim 3, wherein the liquid storage bottle and the conventional electrode are fixedly connected through a connector, the connector comprises a housing, one end of the housing is an opening, a second screw port for fixing the liquid storage bottle is arranged in the opening, the other end of the housing is provided with a closed bottom plate, and an electric clamp for fixing the conventional electrode is arranged on the closed bottom plate; the electrical clamp holds the carbon rod in the conventional electrode.

5. The device for extracting the underground power under the water layer coverage of claim 1, wherein a connecting rod and a screw sleeve are arranged between the ferrule and the power supply box, one end of the screw sleeve is fixedly connected with the power supply box, and the other end of the screw sleeve is in threaded connection with the connecting rod; the other end of the connecting rod is fixedly connected with the ferrule.