CN116771282A - Rotary spraying modularized pipeline capable of being injected in layered mode - Google Patents

Abstract

The invention discloses a rotary spraying modularized pipeline capable of being injected in a layered mode. The injection pipe assemblies are sequentially connected, and each injection pipe assembly is provided with an injection hole for injecting chemical agents. Two adjacent injection tube assemblies of the capsule are connected through the capsule, and the capsule is suitable for expanding and abutting against a well wall when chemical agents are injected under pressure, so that a plurality of injection tube assemblies form a multi-layer separated injection chamber from top to bottom. The drill bit is arranged on the earth-boring end of the injection pipe assembly. The layer injection rotary spraying modularized pipeline can be used for injecting medicaments in a layered manner, so that the function of self-rotating injection of the medicaments is realized, the environment restoration capacity is improved, the use convenience is improved, and the environment restoration is more convenient.

Description

Rotary spraying modularized pipeline capable of being injected in layered mode

Technical Field

The invention relates to the technical field of environmental remediation, in particular to a rotary-spraying modularized pipeline capable of being injected in a layered mode.

Background

The traditional in-situ repair injection technology refers to a method for injecting chemical agents into the ground by means of certain equipment, and reducing the mobility of pollutants through the physical and chemical actions between the chemical agents and the pollutants, so that the toxicity of the pollutants is reduced or is changed into non-toxicity.

Currently, injection well construction is typically performed using a drill rig, and then chemical agents are injected through injection tubing extending into the well using a high pressure syringe pump. However, the injection tube for injecting the liquid medicine is of a common tubular structure, the injection tube is provided with the medicine spraying holes, the structure is relatively simple, the injection tube sprays medicines in the vertical direction of the injection well in an insufficiently uniform manner, and the environment restoration capability is relatively general.

Disclosure of Invention

The invention mainly aims to provide a rotary spraying modularized pipeline capable of being injected in a layered mode, and aims to improve uniformity of sprayed medicament so as to improve environmental restoration capability.

In order to achieve the above object, the present invention provides a rotary jetting modular pipeline capable of being injected in layers, comprising:

the injection pipe assemblies are sequentially connected, and each injection pipe assembly is provided with an injection hole for injecting chemical agents;

the two adjacent injection pipe assemblies are connected through the capsule body, and the capsule body is suitable for expanding and abutting against a well wall when chemical agents are injected under pressure, so that a plurality of injection pipe assemblies form a plurality of layers of separated injection chambers from top to bottom; and

and the drill bit is arranged on the earth drilling end of the injection pipe assembly.

Optionally, each injection pipe assembly includes first pipeline section, second pipeline section, autogiration injection section and rotary vane, first pipeline section with the connection can be dismantled to the second pipeline section, autogiration injection section locates in the junction of first pipeline section with the second pipeline section, just the both ends of autogiration injection section pass through the bearing respectively with first pipeline section with the second pipeline section is connected, be equipped with on the autogiration injection section the injection hole, rotary vane locates in the autogiration injection section.

Optionally, the pipe diameter of the self-rotating spraying section is smaller than the pipe diameters of the first pipe section and the second pipe section, and the pipe diameters of the first pipe section and the second pipe section are the same.

Optionally, two adjacent injection pipe assemblies are connected through a buckle, and when the vibration drilling machine pulls up the injection pipe assemblies located above, the buckle is disconnected, and the two adjacent injection pipe assemblies are separated.

Optionally, the end of the first pipe section is provided with a female buckle, the end of the second pipe section is provided with a male buckle, and a vibration reduction piece is arranged at the contact part between the male buckle and the female buckle so as to reduce vibration and noise.

Optionally, sealing rings capable of sliding along the circumferential direction are sleeved at two ends of the self-rotation spraying section, and the two sealing rings are respectively positioned at the outer sides of the corresponding bearings so as to seal the joint of the self-rotation spraying section and the first pipe section and the joint of the self-rotation spraying section and the second pipe section.

Optionally, the rotary vane includes a plurality of vanes, and the plurality of vanes are uniformly arranged on an inner wall of the self-rotating injection section at intervals along a circumferential direction of the self-rotating injection section.

Optionally, two ends of the capsule body are respectively connected with two adjacent injection tube assemblies through connecting sleeves in a threaded manner.

Optionally, an avoidance window is formed on the second pipe section, and the injection hole is arranged corresponding to the avoidance window.

Optionally, the material of the bag body is flexible soft rubber.

In the technical scheme of the invention, the rotary spraying modularized pipeline capable of being injected in a layered manner comprises injection pipe assemblies, a bag body and a drill bit, wherein the injection pipe assemblies are sequentially connected, injection holes for injecting chemical agents are formed in each injection pipe assembly, two adjacent injection pipe assemblies of the bag body are connected through the bag body, the bag body is suitable for expanding and abutting against a well wall when the chemical agents are injected under pressure, a plurality of injection pipe assemblies form a multi-layer separated injection chamber from top to bottom, and the drill bit is arranged on the ground drilling end of each injection pipe assembly. It can be understood that when in use, the pipeline is firstly punched downwards by the vibrating drilling machine, and then lifted upwards after reaching a designated position, the bag body is pulled open by a folding state, pressurized injection is carried out, the pressure is used for expanding the bag body, each section of well wall is plugged, a multi-layer separated medicine injection chamber is formed from top to bottom, layered injection of chemical agents is realized, the uniformity of agent injection in the vertical direction and the circumferential direction of the well wall is improved, and the environment restoration capability is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a layered injection rotary jetting modular pipeline in a drill-down state;

FIG. 2 is a schematic diagram of a layered injection rotary jet modular pipeline according to the present invention in an injection state;

FIG. 3 is a schematic view of the structure of an injection tube assembly in a layered injection rotary jet modular pipeline according to the present invention;

FIG. 4 is an exploded view of an injection tube assembly and its attached bladder in a layered injection rotary jet modular pipeline according to the present invention;

FIG. 5 is a schematic diagram of the structure of the self-rotating jet section in a rotary jet modular pipeline capable of being injected in layers according to the invention.

Reference numerals illustrate:

10. an injection tube assembly; 20. a bladder; 30. a drill bit; 10a, an injection hole; 101. a drug injection chamber; 11. a first pipe section; 12. a second pipe section; 13. a self-rotating spray section; 14. rotating the blades; 15. a bearing; 16. a seal ring; 12a, an avoidance window; 17. connecting sleeves; 121. a male buckle; 111. and a female buckle.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The invention provides a rotary-spraying modularized pipeline capable of being injected in a layered mode, which is applicable to the construction of injection wells during environment restoration.

Referring to fig. 1 and 2, in one embodiment of the present invention, the layered injection rotary jetting tool comprises an injection tube assembly 10, a bladder 20, and a drill bit 30. The plurality of injection tube assemblies 10 are sequentially connected, and an injection hole 10a for injecting a chemical agent is provided on each injection tube assembly 10. Two adjacent injection tube assemblies 10 of the capsule body 20 are connected through the capsule body 20, the capsule body 20 is suitable for expanding and abutting against a well wall when chemical agents are injected under pressure, and a plurality of injection tube assemblies 10 form a plurality of layers of separated injection chambers 101 from top to bottom. A drill bit 30 is provided on the earth-boring end of the injection tube assembly 10.

In this embodiment, the injection tube assembly 10 may include at least one segment of a tube body, which is not specifically limited herein.

The bag body 20 may be made of flexible soft rubber material such as rubber or silica gel, preferably rubber bag, but not limited thereto. In this embodiment, the bladder 20 can expand the tube diameter and can withstand a certain pressure. As shown in fig. 1 and 4, two ends of the bladder 20 and two adjacent injection tube assemblies 10 can be respectively connected by screw threads through connecting sleeves 17, so as to facilitate assembly and disassembly.

The drill bit 30 may be a solid tipped steel structural assembly and may be threadably attached to the earth-boring end of the injection tube assembly 10 to facilitate ease of assembly and disassembly.

It will be appreciated that when in use, the pipeline is punched downwards by the vibrating driller, and then lifted upwards after reaching the designated position, the bag body 20 is pulled away from the folded state, and then pressurized injection is performed, the pressure is used for expanding the bag body 20 (namely, changing the bag body 20 from the contracted state of fig. 1 to the expanded state of fig. 2), each section of well wall is blocked, a multi-layer separated medicine injection chamber 101 is formed from top to bottom, each injection pipe assembly 10 forms one medicine injection chamber 101, layered injection of chemical agents is realized, the uniformity of injecting the chemical agents in the vertical direction is improved, and the environment restoration capability is effectively improved.

In order to achieve that each layer of chemical injection chamber 101 can rotationally inject chemical agent into soil in a circumferential direction of a well wall so as to improve the uniformity of circumferential distribution of the chemical agent, and further improve the environmental remediation capability, referring to fig. 1 to 4, in an embodiment, each injection pipe assembly 10 may include a first pipe section 11, a second pipe section 12, a self-rotation injection section 13, and a rotary vane 14, the first pipe section 11 is detachably connected with the second pipe section 12, the self-rotation injection section 13 is disposed in a connection portion between the first pipe section 11 and the second pipe section 12, two ends of the self-rotation injection section 13 are respectively connected with the first pipe section 11 and the second pipe section 12 through bearings 15, injection holes 10a are disposed on the self-rotation injection section 13, the injection holes 10a may be plural, and the plurality of injection holes 10a may be uniformly arranged along the circumferential direction of the self-rotation injection section 13, and the rotary vane 14 is disposed in the self-rotation injection section 13. So set up, when realizing spouting chemical agent soon, promoted the homogeneity of spraying the chemical agent in wall of a well circumference to make things convenient for dismouting autogiration injection section 13 and rotating vane 14, improved environmental remediation's convenience, saved manufacturing cost.

Referring mainly to fig. 4, in the present embodiment, the pipe diameter of the self-rotating spray section 13 may be smaller than the pipe diameters of the first pipe section 11 and the second pipe section 12, and the pipe diameters of the first pipe section 11 and the second pipe section 12 may be set to be the same. Therefore, the convenience of assembly can be further improved, the chemical agent amount of the drug injection chamber 101 is uniformly distributed as much as possible, the pressure is more uniform, and the uniform injection of the chemical agent is facilitated.

Referring to fig. 3 and 4, in the present embodiment, the second pipe section 12 may be provided with an avoiding window 12a, and the injection hole 10a is disposed corresponding to the avoiding window 12a, so that the chemical agent can be ejected circumferentially.

As shown in fig. 5, in an embodiment, the rotary vane 14 may include a plurality of vanes that are uniformly arranged on the inner wall of the self-rotating spray section 13 at intervals in the circumferential direction of the self-rotating spray section 13. In this way, the injection hole 10a of the self-rotating injection section 13 can be rotated in synchronization with the blade.

In this embodiment, stainless steel blades with a certain angle can be arranged inside the water flow entering direction of the self-rotation injection section 13, so that the stainless steel blades can rotate under the pushing of the water flow to drive the front injection hole 10a to rotate, thereby realizing the function of self-rotation injection of medicament.

In order to facilitate disassembly and assembly of the injection pipe assembly 10 to enhance the efficiency of injection well construction, referring mainly to fig. 1 to 4, in one embodiment, two adjacent injection pipe assemblies 10 are connected by a buckle, and the buckle is disconnected when the upper injection pipe assembly 10 is pulled up by the vibration drill, and the two adjacent injection pipe assemblies 10 are separated. That is, for two adjacent injector modules, the second tube segment 12 of the injector module above is snapped into place with the first tube segment 11 of the injector module below, with the snap-fit being inside the bladder 20.

Specifically, the connection between the first pipe section 11 and the second pipe section 12 may be provided with a female buckle 111 and a male buckle 121, respectively, the second pipe section 12 at the front may be a female buckle 121, the first pipe section 11 at the rear may be a female buckle 111, and the two pipe sections are movably connected. When the drill is used to vibrate downward (i.e., drill state) the injection tube assembly 10, the two tube sections may be hard-wired to each other, conducting downward pressure; when the injection tube assembly 10 is lifted upwards, the snap-fit failure breaks, and the first tube segment 11 and the second tube segment 12 are released from each other.

As shown in fig. 1 to 4, in the case of environmental restoration, the construction may be performed as follows:

1) The drill bit 30 is installed at the front end of the first-section injection pipe assembly 10 (the first-section injection pipe assembly 10 can adopt only a small section of pipe body, namely the first pipe section 11);

2) Driving the injection tube assembly 10 and the drill bit 30 into the subsurface using a vibratory drilling machine;

3) A rotary screw-thread mounted folded bladder 20;

4) The male buckle 121 is clamped into the female buckle 111, and the second section injection pipe assembly 10 is installed;

5) Driving the section of injection pipe assembly 10 into the subsurface using a vibratory drilling machine;

6) And so on, sequentially installing the injection tube assemblies 10 and the capsules 20 with the target number, so that the first injection tube assembly 10 reaches a preset depth (namely a designated position, and the male buckle 121 is buckled with the female buckle 111 at the moment);

7) Pulling out the last section of injection pipe assembly 10 by using a vibrating drilling machine, and disconnecting the male buckle 121 and the female buckle 111 between each section of pipe body in the process of pulling out, and expanding the bag body 20;

8) The end liquid inlet of the first pipe section 11 of the last section of injection pipe assembly 10 is connected with a pressure pipe, and high-pressure medicament water flow is injected;

9) The capsule body 20 is expanded and spread by the high-pressure medicament, and the self-rotating injection section 13 starts to rotate under the action of water flow, so that the layered injection of the chemical medicament is realized, and the rotary injection of the medicament is realized;

10 After the chemical agent is injected, pulling out the last section of injection tube assembly 10, sequentially removing the first tube section 11 and the second tube section 12, and removing the bag body 20 connected with the first tube section and the second tube section;

11 And so on, the adjacent injector tube assembly 10 is removed until the drill bit 30 is removed.

Further, according to the above embodiment, the end of the first pipe section 11 may be provided with the female buckle 111, the end of the second pipe section 12 is provided with the male buckle 121, and the contact between the male buckle 121 and the female buckle 111 is provided with the vibration damping member for reducing vibration and noise.

The vibration absorbing piece can be a vibration absorbing device such as a rubber vibration absorbing pad, so that vibration and noise are reduced when the injection pipe is vibrated downwards and drilled, and the service life of the injection pipe is prolonged.

In addition, in order to prevent water flow in the pipeline from flowing out from the gap, so as to improve the tightness of the rotary spraying modular pipeline capable of being injected in layers, referring mainly to fig. 4, in an embodiment, two ends of the self-rotating spraying section 13 may be sleeved with sealing rings 16 capable of sliding along the circumferential direction, and the two sealing rings 16 are respectively located outside the corresponding bearings 15 so as to seal the connection between the self-rotating spraying section 13 and the first pipe section 11 and the connection between the self-rotating spraying section 13 and the second pipe section 12.

The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.

Claims (10)

1. A hierarchically injectable rotary jetting modular pipeline, comprising:

the injection pipe assemblies are sequentially connected, and each injection pipe assembly is provided with an injection hole for injecting chemical agents;

the two adjacent injection pipe assemblies are connected through the capsule body, and the capsule body is suitable for expanding and abutting against a well wall when chemical agents are injected under pressure, so that a plurality of injection pipe assemblies form a plurality of layers of separated injection chambers from top to bottom; and

and the drill bit is arranged on the earth drilling end of the injection pipe assembly.

2. The rotary jetting tool of claim 1, wherein each of the injection pipe assemblies comprises a first pipe section, a second pipe section, a self-rotating jetting section, and a rotating blade, wherein the first pipe section is detachably connected with the second pipe section, the self-rotating jetting section is disposed in a connection portion between the first pipe section and the second pipe section, two ends of the self-rotating jetting section are respectively connected with the first pipe section and the second pipe section through bearings, the injection hole is disposed on the self-rotating jetting section, and the rotating blade is disposed in the self-rotating jetting section.

3. The layered injection rotary jetting modular pipeline of claim 2, wherein the pipe diameter of the self-rotating jetting section is smaller than the pipe diameters of the first pipe section and the second pipe section, and the pipe diameters of the first pipe section and the second pipe section are the same.

4. The layered injection rotary jetting modular pipeline of claim 2, wherein two adjacent injection pipe assemblies are connected by a buckle, and the buckle is broken when the upper injection pipe assembly is pulled up by the vibrating drilling machine, and the two adjacent injection pipe assemblies are separated.

5. The rotary jetting modular pipeline capable of being injected in layers according to claim 4, wherein a female buckle is arranged at the end part of the first pipe section, a male buckle is arranged at the end part of the second pipe section, and a vibration reduction piece is arranged at the contact part between the male buckle and the female buckle for reducing vibration and noise.

6. The rotary jetting module pipeline capable of being injected in layers according to claim 2, wherein sealing rings capable of sliding along the circumferential direction are sleeved at two ends of the self-rotation jetting section, and the two sealing rings are respectively positioned at the outer sides of the corresponding bearings so as to seal the joint of the self-rotation jetting section and the first pipe section and the joint of the self-rotation jetting section and the second pipe section.

7. The layered-injectible rotary jetting module of claim 2, wherein the rotary vane comprises a plurality of vanes, the plurality of vanes being uniformly disposed on an inner wall of the self-rotating jetting section at circumferentially spaced intervals along the self-rotating jetting section.

8. The rotary jetting modular pipeline capable of being injected in layers according to claim 1, wherein two ends of the capsule are respectively connected with two adjacent injection pipe assemblies in a threaded manner through connecting sleeves.

9. The rotary jetting modular pipeline capable of being injected in layers according to claim 2, wherein an avoidance window is formed in the second pipe section, and the injection hole is arranged corresponding to the avoidance window.

10. The layered injection rotary jetting modular pipeline of claim 1, wherein the bladder is flexible soft gel.