High pressure grouting equipment and method for deep penetration channel for industrial site remediation

Abstract

This invention provides a high-pressure grouting device and method for deep infiltration channels used in industrial site remediation. The grouting pipe of the high-pressure grouting device is inserted into the stratum, with its top end above ground and its bottom end communicating with the infiltration channel. A spiral conveyor is rotatably mounted inside the grouting pipe, and a sealing component is provided at the edge of the spiral conveyor's blades, abutting against the grouting pipe. A drive device is mounted on the grouting pipe, connected to the spiral conveyor, and the drive device drives the spiral conveyor to rotate. A grout supply device is connected to the top end of the grouting pipe and supplies grout to the grouting pipe. A sealing device is also mounted on the grouting pipe. This invention uses a grouting pipe in conjunction with a spiral conveyor to complete the delivery and injection of grout. Compared to the prior art using high-pressure devices, this method has a simpler structure and is more convenient to use.

Description

Technical Field

[0001] This invention belongs to the field of soil remediation equipment technology, and more specifically, it relates to a high-pressure grouting device for deep infiltration channels for industrial site remediation. This invention also relates to a high-pressure grouting method for deep infiltration channels for industrial site remediation. Background Technology

[0002] Tailings ponds are sites constructed by damming valleys or enclosing land to store tailings or other industrial waste discharged after ore beneficiation in metal or non-metal mines.

[0003] Because tailings ponds contain a large amount of industrial waste, seepage prevention measures are often implemented to prevent liquid leakage and pollution of the surrounding soil.

[0004] However, due to geological or other factors, once a seepage channel is formed in the deep layers of the strata, it will damage the aforementioned seepage prevention treatment and cause the seepage prevention to fail. In this case, it is necessary to use high-pressure grouting to seal the deep seepage channel.

[0005] High-pressure grouting often requires high-pressure grouting equipment, but existing high-pressure grouting equipment has a complex structure and is inconvenient to use. Summary of the Invention

[0006] The purpose of this invention is to provide a high-pressure grouting device for deep penetration channels in industrial site remediation, so as to reduce the difficulty of installation and disassembly and improve the convenience of use.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A high-pressure grouting device for deep infiltration channels in industrial site remediation is provided, comprising a grouting pipe, a spiral conveying rod, a driving device, a grout supply device, and a sealing device. The grouting pipe is inserted into the stratum, with its top end positioned on the ground surface and its bottom end communicating with the infiltration channel. The spiral conveying rod is rotatably disposed within the grouting pipe, and a sealing component is provided at the edge of the blades of the spiral conveying rod, the sealing component abutting against the grouting pipe. The driving device is disposed on the grouting pipe, and the spiral conveying rod is connected to the driving device, which drives the spiral conveying rod to rotate. The grout supply device is connected to the top end of the grouting pipe and supplies grout to the grouting pipe. The sealing device is disposed on the grouting pipe; during grouting, the sealing component expands and abuts against the stratum; when grouting stops, the sealing device retracts, releasing the contact with the stratum.

[0008] In one possible implementation, the sealing device includes an upper pipe, a lower pipe, and an expansion pipe. The expansion pipe is connected between the upper pipe and the lower pipe. The upper pipe is used to connect to the grouting pipe. The expansion pipe is made of an elastic material and is used to expand and press against the formation. A first switch is provided in the lower pipe. In the initial state, the first switch is closed. When the pressure in the sealing device reaches a preset pressure, the first switch is opened, and the pressure to open the first switch is greater than the pressure that causes the expansion pipe to expand.

[0009] In one possible implementation, the first switch includes a first sealing plate, a first baffle, and a first reset member. The first sealing plate has a discharge hole, and the first baffle is hinged to the first sealing plate. The first reset member is disposed on the inner wall of the lower tube, and its upper end abuts against the first baffle. The first reset member is made of an elastic material. Under the pressure inside the expansion tube, the first baffle pushes the first reset member to deform and store energy, opening the discharge hole. When the pressure inside the expansion tube is removed, the first reset member resets, pushing the first baffle to reset and seal the discharge hole.

[0010] In one possible implementation, a second sealing plate is provided inside the upper pipe, and a second switch is provided on the first sealing plate. The second switch enables unidirectional conduction from the space above the second sealing plate to the space below the second sealing plate. The second sealing plate is slidably disposed. A reset component is provided inside the upper pipe, and the reset component is disposed above the second sealing plate and connected to the second sealing plate. When grouting begins, the second sealing plate slides down, and the reset component stores energy. When the pressure above the second sealing plate reaches a preset pressure, the second switch opens. When grouting is completed, the pressure above the second sealing plate is less than the preset pressure, the second switch closes, the reset component releases energy, and drives the second sealing plate to move upward, causing the pressure between the first and second sealing plates to decrease, and the expansion pipe retracts and resets.

[0011] In one possible implementation, the second switch includes a second reset member and a second baffle. The second sealing plate has a feed hole, and the second baffle is hinged to the second sealing plate. The second reset member is disposed on the inner wall of the upper tube, and the upper end of the second reset member abuts against the second baffle. The second reset member is made of an elastic material. Under the pressure above the first sealing plate, the second baffle pushes the second reset member to deform and store energy, and opens the feed hole. When the pressure above the first sealing plate is removed, the second reset member resets, pushing the second baffle to reset and block the feed hole.

[0012] In one possible implementation, an expansion assembly is provided inside the upper pipe, the expansion assembly is located above the second sealing plate, the expansion assembly is used to divide the space above the second sealing plate into an installation space and an expansion space, the installation space is used to install the reset assembly, the expansion space is connected to the feed hole and the grouting pipe, and the expansion space when the second sealing plate moves down is not greater than the expansion space when the second sealing plate is reset.

[0013] In one possible implementation, the expansion assembly includes a mounting plate and a connecting cylinder. The mounting plate is annular and located at the top of the upper tube. The connecting cylinder is made of a soft material, with its top end connected to the mounting plate and its bottom end fixed to the second sealing plate. The space outside the connecting cylinder is the installation space, and the space inside the connecting cylinder is the expansion space. In its natural state, the connecting cylinder is lantern-shaped. When the second sealing plate moves down and the second switch is opened, the connecting cylinder becomes cylindrical.

[0014] In one possible implementation, the reset assembly includes a plurality of springs, the top ends of which are connected to a mounting plate and the bottom ends of which are connected to a second sealing plate.

[0015] In one possible implementation, the sealing assembly includes a plurality of sealing blocks, the sealing blocks being helical in shape, the side of the blades of the helical conveying rod having a groove, and the inner wall of the sealing block having a slider inserted into the groove, so that the sealing block constitutes part of the helical conveying rod. When the helical conveying rod rotates, the sealing block tends to move away from the helical conveying rod and abut against the grouting pipe.

[0016] The beneficial effects of the high-pressure grouting equipment for deep penetration channels in industrial site remediation provided by this invention are as follows: Compared with the prior art, this invention completes the delivery and injection of grout through a grouting pipe and a spiral conveyor rod. Compared with the use of high-pressure devices in the prior art, the structure is simpler and easier to use. At the same time, by setting a sealing component, the sealing performance of the spiral conveyor rod and the grouting pipe is increased, which facilitates the generation of high pressure when the spiral conveyor rod rotates to complete the injection of grout. In addition, by setting a sealing device, the sealing performance between the grouting pipe and the underlying layer is increased, preventing grout from leaking from the gap between the grouting pipe and the stratum during high-pressure grouting. Moreover, the sealing component can retract when grouting is completed, which facilitates the removal of the grouting pipe.

[0017] This invention also relates to a high-pressure grouting method for deep infiltration channels in industrial site remediation, using the aforementioned high-pressure grouting equipment for deep infiltration channels in industrial site remediation, including S1, drilling grouting holes in the strata, wherein the grouting holes... It connects with deep penetration channels;S2. Fix the sealing device to the bottom end of the grouting pipe and insert the grouting pipe into the grouting hole; S3. Insert the screw conveyor into the grouting pipe and connect the screw conveyor to the drive device; S4. Connect the grout supply device to the grouting pipe; S5. Turn on the drive device and the grout supply device to perform grouting; S6. After grouting is completed, disconnect the connection between the grout supply device and the grouting pipe, disconnect the connection between the screw conveyor and the drive device, pull out the screw conveyor, pull the grouting pipe out of the grouting hole, and seal the grouting hole.

[0018] The beneficial effects of the high-pressure grouting method for deep infiltration channels for industrial site remediation provided by the present invention are as follows: Compared with the prior art, the present invention reduces the difficulty of grouting and improves the grouting efficiency by using the aforementioned high-pressure grouting equipment for deep infiltration channels for industrial site remediation. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the high-pressure grouting equipment for deep penetration channels for industrial site remediation provided in Embodiment 1 of the present invention;

[0021] Figure 2 This is a schematic diagram of the initial state of the sealing device provided in Embodiment 1 of the present invention;

[0022] Figure 3 This is a schematic diagram of the sealing device provided in Embodiment 1 of the present invention during grouting.

[0023] Figure 4 This is a schematic diagram of the structure of the spiral conveyor provided in Embodiment 1 of the present invention;

[0024] Figure 5 This is a schematic diagram of the chute structure provided in Embodiment 1 of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the sealing block provided in Embodiment 1 of the present invention.

[0026] The labels for the attached figures are as follows:

[0027] 1. Grouting pipe; 2. Screw conveyor; 3. Drive unit; 4. Grout supply unit; 5. Sealing device;

[0028] 201. Sealing block; 202. Slide groove; 203. Sliding block;

[0029] 501. Upper tube; 502. Lower tube; 503. Expansion tube; 504. First switch; 505. First sealing plate; 506. First baffle; 507. First reset component; 508. Discharge hole; 509. Second sealing plate; 510. Second switch; 511. Second reset component; 512. Second baffle; 513. Feed hole; 514. Expansion assembly; 515. Expansion space; 516. Installation space; 517. Mounting plate; 518. Connecting cylinder; 519. Spring. Detailed Implementation

[0030] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0031] It should be further noted that the accompanying drawings and embodiments of the present invention mainly describe the concept of the present invention. Based on this concept, some specific forms and arrangements of connection relationships, positional relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be fully described. However, under the premise that those skilled in the art understand the concept of the present invention, they can implement the above-mentioned specific forms and arrangements in a well-known manner.

[0032] When a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0033] The terms “length”, “width”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0034] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, and "several" means one or more, unless otherwise explicitly specified.

[0035] The high-pressure grouting equipment for deep penetration channels for industrial site remediation provided by the present invention will now be described.

[0036] Please see Figure 1 The high-pressure grouting equipment for deep infiltration channels in industrial site remediation includes a grouting pipe 1, a spiral conveying rod 2, a driving device 3, a grout supply device 4, and a sealing device 5. The grouting pipe 1 is inserted into the stratum, with its top end above ground and its bottom end communicating with the infiltration channel. The spiral conveying rod 2 is rotatably mounted inside the grouting pipe 1, and a sealing component is provided at the edge of its blades, abutting against the grouting pipe 1. The driving device 3 is mounted on the grouting pipe 1, and the spiral conveying rod 2 is connected to the driving device 3, which drives the spiral conveying rod 2 to rotate. The grout supply device 4 is connected to the top end of the grouting pipe 1 and supplies grout to the grouting pipe 1. The sealing device 5 is mounted on the grouting pipe 1; during grouting, the sealing component expands and abuts against the stratum; when grouting stops, the sealing device 5 retracts, releasing the contact with the stratum.

[0037] The beneficial effects of the high-pressure grouting equipment for deep infiltration channels for industrial site remediation provided in this embodiment are as follows: Compared with the prior art, the high-pressure grouting equipment for deep infiltration channels for industrial site remediation provided in this embodiment completes the delivery and injection of grout through the grouting pipe 1 and the spiral conveying rod 2. Compared with the use of high-pressure devices in the prior art, the structure is simpler and easier to use. At the same time, by setting a sealing component, the sealing performance of the spiral conveying rod 2 and the grouting pipe 1 is increased, which makes it easier for the spiral conveying rod 2 to generate high pressure to complete the injection of grout when it rotates. In addition, by setting a sealing device 5, the sealing performance between the grouting pipe 1 and the bottom layer is increased, preventing the grout from leaking from the gap between the grouting pipe 1 and the stratum during high-pressure grouting. Moreover, the sealing component can retract when the grouting is completed, which makes it easy to pull out the grouting pipe 1.

[0038] Combination Figure 2 and Figure 3 As shown, the sealing device 5 includes an upper pipe 501, a lower pipe 502, and an expansion pipe 503. The expansion pipe 503 is connected between the upper pipe 501 and the lower pipe 502. The upper pipe 501 is used to connect to the grouting pipe 1. The expansion pipe 503 is made of elastic material and is used to expand and press against the formation. A first switch 504 is provided in the lower pipe 502. In the initial state, the first switch 504 is closed. When the pressure in the sealing device 5 reaches the preset pressure, the first switch 504 is opened, and the pressure to open the first switch 504 is greater than the pressure that causes the expansion pipe 503 to expand.

[0039] During grouting, the pressure inside the expansion pipe 503 gradually increases, first reaching a pressure that causes the expansion pipe 503 to expand. At this point, the expansion pipe 503 begins to expand and press against the stratum, increasing the sealing between the sealing device 5 and the stratum, thereby preventing grout from overflowing from the gap between the grouting pipe 1 and the stratum. Once the expansion pipe 503 is pressed against the stratum, it can no longer expand. Grouting continues, and the pressure inside the expansion pipe 503 continues to rise until it reaches the preset pressure for opening the first switch 504. Then, the material enters below the lower pipe 502, completing the grouting process.

[0040] Specifically, the first switch 504 includes a first sealing plate 505, a first baffle 506, and a first reset member 507. The first sealing plate 505 is provided with a discharge hole 508, and the first baffle 506 is hinged to the first sealing plate 505. The first reset member 507 is provided on the inner wall of the lower tube 502, and the upper end of the first reset member 507 abuts against the first baffle 506. The first reset member 507 is made of elastic material, which facilitates the first baffle 506 to be reset when the first reset member 507 deforms to store and release energy.

[0041] During grouting, if Figure 3 As shown, under the pressure inside the expansion tube 503, the grout pushes the first baffle 506 downwards, causing it to rotate. The first baffle 506 then pushes the first reset member 507 to deform and store energy, opening the discharge hole 508. When grouting is complete, as... Figure 2 As shown, when the pressure inside the expansion tube 503 is removed, the first reset member 507 releases energy and resets, and pushes the first baffle 506 to reset and block the discharge hole 508.

[0042] like Figure 2 As shown, the upper tube 501 is provided with a second sealing plate 509, and the first sealing plate 505 is provided with a second switch 510. The second switch 510 is configured to conduct unidirectionally from the space above the second sealing plate 509 to the space below the second sealing plate 509. The second sealing plate 509 is slidably disposed. The upper tube 501 is provided with a reset assembly, which is disposed above the second sealing plate 509 and connected to the second sealing plate 509.

[0043] When grouting begins in grouting pipe 1, the second sealing plate 509 slides down, the reset component stores energy, and when the pressure above the second sealing plate 509 reaches the preset pressure, the second switch 510 opens. When grouting is completed, the pressure above the second sealing plate 509 is less than the preset pressure, the second switch 510 closes, and due to the action of the first sealing plate 505 and the first switch 504, a sealed space is formed between the first sealing plate 505 and the second sealing plate 509 when grouting is completed. At this time, the reset component releases energy, driving the second sealing plate 509 to move upward, causing the pressure between the first sealing plate 505 and the second sealing plate 509 to decrease, and the expansion pipe 503 retracts and resets.

[0044] As a preferred technical solution, the second switch 510 includes a second reset member 511 and a second baffle 512. The second sealing plate 509 is provided with a feed hole 513, and the second baffle 512 is hinged to the second sealing plate 509. The second reset member 511 is provided on the inner wall of the upper tube 501, and the upper end of the second reset member 511 abuts against the second baffle 512. The second reset member 511 is made of elastic material, which facilitates the second baffle 512 to be reset when the second reset member 511 deforms to store and release energy.

[0045] like Figure 3 As shown, during grouting, under the pressure above the first sealing plate 505, the second baffle 512 pushes the second reset member 511 to deform and store energy, and opens the feed hole 513. Figure 2 As shown, when grouting is completed, the pressure above the first sealing plate 505 is removed, the second reset piece 511 is reset, and the second baffle 512 is pushed to reset and block the feed hole 513.

[0046] To facilitate the upward movement and repositioning of the second sealing plate 509, an expansion component 514 is provided inside the upper tube 501. The expansion component 514 is located above the second sealing plate 509 and is used to divide the space above the second sealing plate into an installation space 516 and an expansion space 515. The installation space 516 is used to install the repositioning component. The expansion space 515 is connected to the feed hole 513 and the grouting pipe 1. The expansion space 515 when the second sealing plate 509 moves downward is smaller than the expansion space 515 when the second sealing plate 509 is repositioned.

[0047] Combination Figure 2 and Figure 3 As shown, when grouting is completed, the reset component tends to drive the second sealing plate 509 to reset. At this time, the upward movement of the second sealing plate 509 will push the grout above the second sealing plate 509 upward. By setting the expansion space 515, when the second sealing plate 509 moves upward, since the expansion space 515 when the second sealing plate 509 moves downward is smaller than the expansion space 515 when the second sealing plate 509 is reset, the upward movement of the second sealing plate 509 pushes the grout to be accommodated in the installation space 516 occupied by the expansion space 515 after expansion, so that the grout pressure above the second sealing plate 509 will not hinder the upward movement of the second sealing plate 509.

[0048] Specifically, the expansion assembly 514 includes a mounting plate 517 and a connecting cylinder 518. The mounting plate 517 is annular and is located at the top of the upper tube 501. The connecting cylinder 518 is made of soft material, and its top end is connected to the mounting plate 517. The bottom end of the connecting cylinder 518 is fixed to the second sealing plate 509. The space outside the connecting cylinder 518 is the installation space 516, and the space inside the connecting cylinder 518 is the expansion space 515. In its natural state, the connecting cylinder 518 is lantern-shaped. When the second sealing plate 509 moves down and the second switch 510 is opened, the connecting cylinder 518 is straightened into a cylindrical shape by the second sealing plate 509. At this time, some of the connecting cylinders 518 overlap.

[0049] In this embodiment, the reset assembly includes multiple springs 519. The top end of the spring 519 is connected to the mounting plate 517, and the bottom end of the spring 519 is connected to the second sealing plate 509. The arrangement of the springs 519 is simple in structure and easy to use.

[0050] Finally, combining Figure 4 , Figure 5 and Figure 6 As shown, the sealing assembly includes multiple sealing blocks 201, which are spiral-shaped. A groove 202 is provided on the side of the blades of the spiral conveyor rod 2, and a slider 203 is provided on the inner wall of the sealing block 201. The slider 203 is inserted into the groove 202, making the sealing block 201 part of the spiral conveyor rod 2. When the spiral conveyor rod 2 rotates, the sealing block 201 tends to move away from the spiral conveyor rod 2 and abut against the grouting pipe 1. During the rotation of the spiral conveyor rod 2, due to centrifugal force, the sealing block 201 tends to move away from the spiral conveyor rod 2 and thus presses against the grouting pipe 1, increasing the sealing performance between the sealing block 201 and the grouting pipe 1. This facilitates the spiral conveyor rod 2 and the grouting pipe 1 to output greater pressure, completing high-pressure grouting.

[0051] Example 2

[0052] This invention also relates to a high-pressure grouting method for deep infiltration channels for industrial site remediation. Grouting is performed using the high-pressure grouting equipment for deep infiltration channels for industrial site remediation as described in Example 1. The method includes: S1, drilling grouting holes in the stratum, with the grouting holes communicating with the deep infiltration channels; S2, fixing a sealing device 5 to the bottom end of the grouting pipe 1 and inserting the grouting pipe 1 into the grouting hole; S3, inserting a spiral conveying rod 2 into the grouting pipe 1 and connecting the spiral conveying rod 2 to a driving device 3; S4, connecting a slurry supply device 4 to the grouting pipe 1; S5, turning on the driving device 3 and the slurry supply device 4 to perform grouting; S6, after grouting is completed, disconnecting the slurry supply device from the grouting pipe 1, disconnecting the spiral conveying rod 2 from the driving device 3, pulling out the spiral conveying rod, pulling the grouting pipe 1 out of the grouting hole, and sealing the grouting hole.

[0053] The beneficial effects of the high-pressure grouting method for deep infiltration channels for industrial site remediation provided by the present invention are as follows: Compared with the prior art, the present invention reduces the difficulty of grouting and improves the grouting efficiency by using the aforementioned high-pressure grouting equipment for deep infiltration channels for industrial site remediation.

[0054] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-pressure grouting device for deep penetration channels in industrial site remediation, characterized in that, include: Grouting pipe (1) is inserted into the stratum, with the top of the grouting pipe (1) located on the ground and the bottom of the grouting pipe (1) connected to the seepage channel; The spiral conveyor rod (2) is rotatably disposed inside the grouting pipe (1). A sealing component is provided at the edge of the blade of the spiral conveyor rod (2), and the sealing component abuts against the grouting pipe (1). A driving device (3) is provided on the grouting pipe (1), and the spiral conveying rod (2) is connected to the driving device (3). The driving device (3) is used to drive the spiral conveying rod (2) to rotate. A slurry supply device (4) is connected to the top end of the grouting pipe (1) and is used to supply slurry to the grouting pipe (1); A sealing device (5) is provided on the grouting pipe (1). When the grouting pipe (1) is grouting, the sealing device expands and comes into contact with the stratum. When the grouting pipe (1) stops grouting, the sealing device (5) retracts and releases the contact with the stratum. The sealing device (5) includes an upper pipe (501), a lower pipe (502), and an expansion pipe (503). The expansion pipe (503) is connected between the upper pipe (501) and the lower pipe (502). The upper pipe (501) is used to connect with the grouting pipe (1). The expansion pipe (503) is made of elastic material and is used to expand and press against the stratum. The lower pipe (502) is provided with a first switch (504). In the initial state, the first switch (504) is closed. When the pressure in the sealing device (5) reaches the preset pressure, the first switch (504) is opened, and the pressure to open the first switch (504) is greater than the pressure that causes the expansion pipe (503) to expand. The first switch (504) includes a first sealing plate (505), a first baffle (506), and a first reset member (507). The first sealing plate (505) is provided with a discharge hole (508), and the first baffle (506) is hinged to the first sealing plate (505). The first reset member (507) is disposed on the inner wall of the lower tube (502), and the upper end of the first reset member (507) abuts against the first baffle (506). The first reset member (507) is made of elastic material. Under the action of the pressure in the expansion tube (503), the first baffle (506) pushes the first reset member (507) to deform and store energy, and opens the discharge hole (508). When the pressure in the expansion tube (503) is removed, the first reset member (507) resets, pushes the first baffle (506) to reset, and seals the discharge hole (508).

2. The high-pressure grouting equipment for deep penetration channels for industrial site remediation as described in claim 1, characterized in that: The upper pipe (501) is provided with a second sealing plate (509), and the first sealing plate (505) is provided with a second switch (510). The second switch (510) forms a unidirectional conduction from the space above the second sealing plate (509) to the space below the second sealing plate (509). The second sealing plate (509) is slidably disposed. The upper pipe (501) is provided with a reset assembly, which is disposed above the second sealing plate (509) and connected to the second sealing plate (509). The grouting pipe ( 1) When grouting begins, the second sealing plate (509) slides down, the reset component stores energy, and when the pressure above the second sealing plate (509) reaches the preset pressure, the second switch (510) opens; when grouting is completed, the pressure above the second sealing plate (509) is less than the preset pressure, the second switch (510) closes, the reset component releases energy, and drives the second sealing plate (509) to move upward, so that the pressure between the first sealing plate (505) and the second sealing plate (509) decreases, and the expansion tube (503) retracts and resets.

3. The high-pressure grouting equipment for deep penetration channels for industrial site remediation as described in claim 2, characterized in that: The second switch (510) includes a second reset member (511) and a second baffle (512). The second sealing plate (509) is provided with a feed hole (513), and the second baffle (512) is hinged to the second sealing plate (509). The second reset member (511) is provided on the inner wall of the upper tube (501), and the upper end of the second reset member (511) abuts against the second baffle (512). The second reset member (511) is made of elastic material. Under the pressure above the first sealing plate (505), the second baffle (512) pushes the second reset member (511) to deform and store energy, and opens the feed hole (513). When the pressure above the first sealing plate (505) is removed, the second reset member (511) resets, pushes the second baffle (512) to reset, and seals the feed hole (513).

4. The high-pressure grouting equipment for deep penetration channels for industrial site remediation as described in claim 3, characterized in that: An expansion assembly (514) is provided inside the upper pipe (501). The expansion assembly (514) is located above the second sealing plate (509). The expansion assembly (514) is used to divide the space above the second sealing plate into an installation space (516) and an expansion space (515). The installation space (516) is used to install the reset assembly. The expansion space (515) is connected to the feed hole (513) and the grouting pipe (1). The expansion space (515) when the second sealing plate (509) moves down is not greater than the expansion space (515) when the second sealing plate (509) is reset.

5. The high-pressure grouting equipment for deep penetration channels for industrial site remediation as described in claim 4, characterized in that: The expansion assembly (514) includes a mounting plate (517) and a connecting cylinder (518). The mounting plate (517) is annular and is located at the top of the upper tube (501). The connecting cylinder (518) is made of soft material. The top of the connecting cylinder (518) is connected to the mounting plate (517), and the bottom of the connecting cylinder (518) is fixed to the second sealing plate (509). The space outside the connecting cylinder (518) is the installation space (516), and the space inside the connecting cylinder (518) is the expansion space (515). In its natural state, the connecting cylinder (518) is lantern-shaped. When the second sealing plate (509) moves down and the second switch (510) is opened, the connecting cylinder (518) is cylindrical.

6. The high-pressure grouting equipment for deep penetration channels for industrial site remediation as described in claim 5, characterized in that: The reset assembly includes a plurality of springs (519), the top end of which is connected to the mounting plate (517), and the bottom end of which is connected to the second sealing plate (509).

7. The high-pressure grouting equipment for deep penetration channels for industrial site remediation as described in claim 6, characterized in that: The sealing assembly includes multiple sealing blocks (201), which are spiral in shape. The blades of the spiral conveying rod (2) are provided with grooves (202) on their sides. The inner wall of the sealing block (201) is provided with sliders (203), which are inserted into the grooves (202), so that the sealing block (201) is part of the spiral conveying rod (2). When the spiral conveying rod (2) rotates, the sealing block (201) tends to move away from the spiral conveying rod (2) and abut against the grouting pipe (1).

8. A high-pressure grouting method for deep permeation channels for industrial site remediation, comprising grouting using the high-pressure grouting equipment for deep permeation channels for industrial site remediation as described in any one of claims 1-7, characterized in that: S1. Drill grouting holes in the formation, and the grouting holes are connected to the deep seepage channels; S2. Fix the sealing device to the bottom end of the grouting pipe and insert the grouting pipe into the grouting hole; S3. Insert the screw conveyor into the grouting pipe and connect the screw conveyor to the drive device; S4. Connect the grout supply device to the grouting pipe; S5. Turn on the drive unit and grout supply unit to perform grouting; S6. After grouting is completed, disconnect the grout supply device from the grouting pipe, disconnect the screw conveyor from the drive device, pull out the screw conveyor, pull out the grouting pipe from the grouting hole, and seal the grouting hole.

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