Horizontal well injection repairing device for organic pollution site

Abstract

The invention relates to the technical field of semiconductor cleaning equipment, and discloses a horizontal well injection repairing device for an organic contaminated site, which comprises a horizontal well buried underground, a screen pipe arranged in the middle of the horizontal well, and a liquid storage tank storing a repairing agent, the liquid pump is connected with one end of the horizontal well through a first pipeline; the device further comprises a centrifugal machine and a liquid conveying mechanism, the liquid conveying mechanism is connected with the other end of the horizontal well, and after a repairing agent is injected into one end of the horizontal well through a first pipeline, mixed liquid of the repairing agent and pollutants is conveyed into the liquid conveying mechanism from the other end of the horizontal well. According to the horizontal well injection remediation device for the organic contaminated site, injection remediation of the organic contaminated site is conducted through the horizontal well, a remediation agent can make full contact with a contaminated area, the oxidation efficiency of the reaction process is improved, agent waste is reduced, and bidirectional recycling of the remediation agent is achieved in the horizontal well so that the agent utilization rate can be further increased.

Description

Technical Field

[0001] The invention relates to the technical field of semiconductor cleaning equipment, and in particular to a horizontal well injection repair device for an organic polluted site. Background Art

[0002] Injection remediation is to inject remediation agents into the soil or groundwater contaminated area to convert organic pollutants in the soil or groundwater into non-toxic or relatively less toxic substances, thereby achieving the purpose of remediation. It is mainly suitable for organic polluted sites that are difficult to excavate and have many structures. The injection of remediation agents is generally carried out by injection well injection or direct push injection through an injection rod. Injection well injection is to directly inject remediation agents into a pre-established injection well, and use stratum fissures and groundwater flow to transport remediation agents.

[0003] Currently, the most common injection well is the vertical well. The construction of vertical wells will penetrate uneven geological strata. During the injection process, an injection priority channel will be formed, resulting in short-flow of the agent diffusion, inability to effectively contact the contaminated area, and poor remediation effect. More agents need to be injected for supplementation, resulting in agent waste.

[0004] Therefore, in order to solve the above technical problems existing in the prior art, a horizontal well injection remediation device for organic contaminated sites is proposed. Summary of the invention

[0005] The present invention provides a horizontal well injection repair device for an organic contaminated site, which is capable of performing injection repair of the organic contaminated site through a horizontal well, wherein the repair agent can fully contact the contaminated area, thereby improving the oxidation efficiency of the reaction process and reducing agent waste, and realizing the beneficial effect of realizing two-way recycling of the repair agent in the horizontal well to further improve the agent utilization rate, thereby solving the problem mentioned in the above background technology that the existing vertical well construction will penetrate uneven geological formations, an injection priority channel will be formed during the injection process, resulting in short-flow of agent diffusion, inability to effectively contact the contaminated area, poor repair effect, and need to inject more agents for supplementation, resulting in agent waste.

[0006] The present invention provides the following technical solution: a horizontal well injection remediation device for an organic contaminated site, comprising a horizontal well buried under the ground, a screen pipe being arranged in the middle of the horizontal well, and a liquid storage tank storing a remediation agent, wherein a liquid pump is arranged on the liquid storage tank, and the liquid pump is connected to one end of the horizontal well through a first pipeline; It also includes a centrifuge and an infusion mechanism, which is connected to the other end of the horizontal well. After the repair agent is injected into one end of the horizontal well through the first pipeline, the mixed liquid of the repair agent and pollutants is input into the infusion mechanism from the other end of the horizontal well. The infusion mechanism then inputs the extraction liquid and the mixed liquid into the centrifuge. The repair agent is extracted through the separation action of the centrifuge and then injected back into the other end of the horizontal well.

[0007] As an optional solution of the horizontal well injection repair device for an organic contaminated site described in the present invention, wherein: the infusion mechanism comprises a first metering pump, and the first metering pump is provided with a second pipeline; The second pipeline is provided with a third pipeline and a pressure control component, and the pressure control component controls the communication between the second pipeline and the third pipeline by inputting the hydraulic pressure of the mixed liquid into the second pipeline through the first metering pump; The centrifuge is provided with a centrifugal mechanism, which includes a drum rotatably arranged in the centrifuge, and the drum is provided with a light phase weir plate and an adjustable heavy phase weir plate; The centrifugal mechanism also includes an adjustment component and a transmission component. The adjustment component includes a first connecting plate arranged on the adjustable heavy phase weir plate. A piston is slidably arranged in the second pipeline, and a second connecting plate is arranged on the piston. The piston rises and falls according to the volume of the mixed liquid in the second pipeline when the pressure control component is triggered, and is reversely transmitted to the first connecting plate through the transmission component.

[0008] As an optional solution of the horizontal well injection remediation device for an organic contaminated site described in the present invention, wherein: a three-way solenoid valve is provided at the other end of the horizontal well, a fourth pipeline and a fifth pipeline are provided at the lower side of the centrifuge, and a sixth pipeline and a seventh pipeline are provided at the upper side of the centrifuge; The centrifuge is provided with a mixing chamber, a light phase collecting chamber and a heavy phase collecting chamber from bottom to top, the sixth pipeline is communicated with the light phase collecting chamber, the seventh pipeline is communicated with the heavy phase collecting chamber, a four-way solenoid valve is provided between the sixth pipeline and the seventh pipeline, a tenth pipeline is provided on the four-way solenoid valve, and the tenth pipeline is connected to the three-way solenoid valve; The infusion mechanism further comprises a second metering pump, the second metering pump is connected to the fourth pipeline, and the second metering pump is provided with an eighth pipeline for inputting the extract; The first metering pump is provided with a ninth pipeline for inputting the mixed liquid, the ninth pipeline is connected to the three-way solenoid valve, and the third pipeline is connected to the fifth pipeline.

[0009] As an optional solution of the horizontal well injection repair device for an organic contaminated site described in the present invention, the pressure control component includes a main valve core and an overflow valve core arranged in the second pipeline, and the main valve core and the overflow valve core fit together, and a first spring is sleeved on the overflow valve core to provide elastic force to the overflow valve core.

[0010] As an optional solution of the horizontal well injection repair device for an organic contaminated site described in the present invention, wherein: the pressure control component further comprises a mounting seat threadedly connected to the second pipe, the mounting seat is provided with a spring seat, and the overflow valve core is slidably arranged on the spring seat; One end of the first spring is connected to the overflow valve core, and the other end of the first spring is connected to the spring seat.

[0011] As an optional solution of the horizontal well injection remediation device for an organic contaminated site described in the present invention, wherein: the centrifugal mechanism further includes a driving assembly for driving the drum to rotate; The driving assembly comprises a motor arranged on the centrifuge, a rotating shaft is arranged on the output shaft of the motor, a fixing plate is arranged on the rotating drum, and the rotating shaft is connected to the fixing plate.

[0012] As an optional solution of the horizontal well injection remediation device for an organic contaminated site described in the present invention, the transmission assembly includes a rotating rod rotatably arranged on the centrifuge, a first transmission plate is arranged on the rotating rod, two second transmission plates are symmetrically slidably arranged on the first transmission plate, and the two second transmission plates are respectively hinged to the first connecting plate and the second connecting plate.

[0013] As an optional solution of the horizontal well injection repair device for an organic contaminated site described in the present invention, wherein: the centrifugal mechanism further includes a limit assembly, and the limit assembly includes a ratchet wheel arranged on the rotating rod; The overflow valve core is connected to a mounting plate through a third connecting plate, a ratchet is provided on the mounting plate, and the ratchet is adapted to the ratchet wheel; The third pipeline is provided with a cylinder, and the piston rod of the cylinder is connected to the third connecting plate.

[0014] As an optional solution of the horizontal well injection remediation device for organic contaminated sites described in the present invention, wherein: a mixing mechanism is also provided in the centrifuge, and the mixing mechanism includes a rotating plate provided on the rotating drum, and two connecting rods are rotatably provided on the rotating plate; The two connecting rods are both provided with mounting rods, and the two mounting rods are both provided with impellers.

[0015] As an optional solution of the horizontal well injection remediation device for organic contaminated sites described in the present invention, wherein: the mixing mechanism also includes a gear ring arranged in the centrifuge, and gears are arranged on the two connecting rods, and the two gears are meshed with the gear ring; An annular wave slide rail is arranged in the centrifuge, and the two mounting rods are both slidably arranged on the annular wave slide rail. The two mounting rods are elastically connected to the two connecting rods through two second springs respectively.

[0016] The present invention has the following beneficial effects: 1. The horizontal well injection remediation device for organic contaminated sites uses a horizontal well to bury the screen pipe in the underground organic contaminated site, so that the remediation agent can fully contact the contaminated area, improve the oxidation efficiency of the reaction process, and reduce the waste of the agent. In addition, the agent is reused. When the agent is injected for the first time, the part of the agent that is not absorbed by the soil is recovered through the other end of the horizontal well, and then the second metering pump and the first metering pump are used to extract the mixed liquid mixed with organic matter input at a fixed flow rate in the centrifuge, and then the drum is rotated at a high speed, so that the remediation agent as the light phase and the extract as the heavy phase are separated to different liquid levels in the drum, and the light phase weir plate and the adjustable heavy phase weir plate are used to separate and extract the agent at the two liquid levels for reuse.

[0017] 2. In the horizontal well injection repair device for the organic contaminated site, during the process of the infusion mechanism inputting the extract and the mixed liquid, the liquid volume in the second pipeline reaches the connection pressure set by the pressure control component at different densities of the mixed liquid, which drives the height change of the piston in the second pipeline, and then drives the reverse lifting and lowering of the adjustable heavy phase weir plate on the drum through the height change.

[0018] As a result, the adjustable heavy phase weir plate can adaptively adjust the liquid level change caused by the density change of the heavy phase liquid formed after the extraction reaction in the centrifuge under the centrifugal force according to the density change caused by the change in the number of impurities dissolved in the mixed liquid, so as to completely collect the two-phase liquid and avoid the problem of inaccurate collection of the two-phase liquid caused by the height mismatch of the adjustable heavy phase weir plate. The adaptability of the device is greatly improved, making the water-liquid separation effect better.

[0019] 3. The horizontal well injection remediation device for organic contaminated sites, while the drum is rotating, will also drive the mixing mechanism at the lower end of the mixing chamber to rotate at high speed. The two impellers of the mixing mechanism rotate around in the mixing chamber while rotating and stirring up and down, so that the extract and the mixed liquid can be mixed more quickly and fully, thereby improving the extraction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a schematic diagram of the working principle of the centrifuge in the present invention.

[0022] Figure 3 It is a first cross-sectional structural schematic diagram of the present invention.

[0023] Figure 4 for Figure 3 A partial enlarged view of point A in the middle.

[0024] Figure 5 It is a second cross-sectional structural schematic diagram of the present invention.

[0025] Figure 6 for Figure 5 A partial enlarged view of point B in the middle.

[0026] Figure 7 It is a schematic diagram of the explosion structure at the driving component in the present invention.

[0027] Figure 8 It is a schematic diagram of the explosion structure at the pressure control component in the present invention.

[0028] Fig. 9 It is a schematic diagram of the explosion structure at the regulating component in the present invention.

[0029] Fig.10 It is a schematic diagram of the explosion structure at the mixing mechanism in the present invention.

[0030] In the figure: 100, centrifuge; 110, fourth pipeline; 120, fifth pipeline; 130, mixing chamber; 140, partition plate; 150, light phase collection chamber; 160, heavy phase collection chamber; 170, sixth pipeline; 180, seventh pipeline; 200, infusion mechanism; 210, second metering pump; 220, eighth pipeline; 230, first metering pump; 240, ninth pipeline; 250, second pipeline; 260, third pipeline; 270, pressure control assembly; 271, main valve core; 272, overflow valve core; 273, spring seat; 274, first spring; 275, mounting seat; 280, four-way solenoid valve; 290, tenth pipeline; 300, centrifugal mechanism; 310, drum; 320, drive assembly; 321, motor; 322, shaft; 323, fixing plate; 33 0, light phase weir plate; 340, adjustable heavy phase weir plate; 350, adjustment assembly; 351, first connecting plate; 352, piston; 353, second connecting plate; 360, transmission assembly; 361, rotating rod; 362, first transmission plate; 363, second transmission plate; 370, limit assembly; 371, ratchet; 372, third connecting plate; 373, mounting plate; 374, ratchet; 380, baffle plate; 390, cylinder; 400, mixing mechanism; 410, mounting rod; 420, impeller; 430, rotating plate; 440, connecting rod; 450, gear; 460, gear ring; 470, annular wave slide rail; 480, second spring; 500, horizontal well; 510, screen pipe; 520, liquid storage tank; 530, liquid pump; 540, first pipeline; 550, three-way solenoid valve. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] For example, see Figure 1-Figure 9 A horizontal well injection remediation device for an organic contaminated site includes a horizontal well 500 buried underground, a screen pipe 510 is provided in the middle of the horizontal well 500, and also includes a liquid storage tank 520 storing a remediation agent, a liquid pump 530 is provided on the liquid storage tank 520, and the liquid pump 530 is connected to one end of the horizontal well 500 through a first pipeline 540.

[0033] It also includes a centrifuge 100 and an infusion mechanism 200. The infusion mechanism 200 is connected to the other end of the horizontal well 500. After the repair agent is injected into one end of the horizontal well 500 through the first pipeline 540, the mixed liquid of the repair agent and the pollutant is input into the infusion mechanism 200 from the other end of the horizontal well 500. The infusion mechanism 200 then inputs the extraction liquid and the mixed liquid into the centrifuge 100. The repair agent is extracted through the separation action of the centrifuge 100 and then injected back into the other end of the horizontal well 500.

[0034] The infusion mechanism 200 includes a first metering pump 230 , and a second pipeline 250 is disposed on the first metering pump 230 .

[0035] The second pipeline 250 is provided with a third pipeline 260 and a pressure control assembly 270 . The pressure control assembly 270 controls the communication between the second pipeline 250 and the third pipeline 260 by inputting the hydraulic pressure of the mixed liquid into the second pipeline 250 through the first metering pump 230 .

[0036] The centrifuge 100 is provided with a centrifugal mechanism 300 , which includes a drum 310 rotatably disposed in the centrifuge 100 , and a light phase weir plate 330 and an adjustable heavy phase weir plate 340 are disposed on the drum 310 .

[0037] The centrifugal mechanism 300 also includes an adjusting component 350 and a transmission component 360. The adjusting component 350 includes a first connecting plate 351 arranged on an adjustable heavy phase weir plate 340. A piston 352 is slidably arranged in the second pipe 250, and a second connecting plate 353 is arranged on the piston 352. The piston 352 rises and falls according to the volume of the mixed liquid in the second pipe 250 when the pressure control component 270 is triggered, and reversely transmits the piston 352 to the first connecting plate 351 through the transmission component 360.

[0038] A three-way solenoid valve 550 is disposed at the other end of the horizontal well 500 , a fourth pipeline 110 and a fifth pipeline 120 are disposed at the lower side of the centrifuge 100 , and a sixth pipeline 170 and a seventh pipeline 180 are disposed at the upper side of the centrifuge 100 .

[0039] A mixing chamber 130, a light phase collecting chamber 150 and a heavy phase collecting chamber 160 are arranged in the centrifuge 100 from bottom to top. The sixth pipeline 170 is connected to the light phase collecting chamber 150, and the seventh pipeline 180 is connected to the heavy phase collecting chamber 160. A four-way solenoid valve 280 is arranged between the sixth pipeline 170 and the seventh pipeline 180, and a tenth pipeline 290 is arranged on the four-way solenoid valve 280, and the tenth pipeline 290 is connected to the three-way solenoid valve 550.

[0040] The infusion mechanism 200 further includes a second metering pump 210 , which is connected to the fourth pipeline 110 , and an eighth pipeline 220 is provided on the second metering pump 210 for inputting the extract.

[0041] The first metering pump 230 is provided with a ninth pipeline 240 for inputting the mixed liquid. The ninth pipeline 240 is connected to the three-way solenoid valve 550 , and the third pipeline 260 is connected to the fifth pipeline 120 .

[0042] In this embodiment: the horizontal well 500 is laid underground, and through precise directional drilling, the screen 510 on the horizontal well 500 is partially reached where the underground organic matter gathers. The liquid storage tank 520 may store an oxidant such as a mixed solution of sodium persulfate and hydrogen peroxide or a mixed solution of sodium persulfate and sodium hydroxide. After the reagent is pumped into one end of the horizontal well 500 through the first pipeline 540 by the liquid pump 530, the reagent reaches the screen 510 and is slowly released into the formation to react chemically with the organic pollutants.

[0043] By controlling the leakage rate of the screen tube 510, the utilization rate of the reagent can be improved. When the infiltration rate decreases, and because the reagent is continuously injected, some of the reagent may overflow through the other end of the horizontal well 500, and this part of the reagent is controlled to flow to the ninth pipeline 240 through the three-way solenoid valve 550. This part of the reagent will dissolve into some organic pollutants, so it can be extracted. The extraction can not only bring some of the underground organic pollutants out to the surface, play the effect of removing the underground organic pollutants, but also restore relatively pure reagents for repeated use.

[0044] The fourth pipe 110 and the fifth pipe 120 are installed on both sides of the lower end of the centrifuge 100. The input end and the output end of the second metering pump 210 are connected to the eighth pipe 220 and the fourth pipe 110 respectively. The extract is input through the eighth pipe 220 and then input into the fourth pipe 110 through the second metering pump 210 to control the flow rate and then enter the centrifuge 100. The extract is a liquid that is immiscible with water and has a much higher solubility in organic matter than water.

[0045] The mixed liquid in the ninth pipeline 240 enters the second pipeline 250 through the first metering pump 230 to control the flow rate, and then enters the fifth pipeline 120 through the third pipeline 260 and then enters the centrifuge 100. The extract and the mixed liquid enter the mixing chamber 130 in the centrifuge 100 to mix and generate an extraction reaction.

[0046] After extraction, the reagent is used as the light phase liquid, and the extract is used as the heavy phase liquid after dissolving the organic impurities. The two-phase liquid enters the inside of the drum 310 rotatably installed in the centrifuge 100 under the impetus of the subsequent liquid.

[0047] Two annular partition plates 140 are installed inside the centrifuge 100, one above and one below. The drum 310 maintains density with the two partition plates 140, and the two partition plates 140 constitute two cavities, a light phase collection chamber 150 and a heavy phase collection chamber 160. A baffle plate 380 is also installed inside the drum 310 to block the flow. The light phase weir plate 330 of the drum 310 is fixed and communicated with the light phase collection chamber 150, and the adjustable heavy phase weir plate 340 is slidably installed on the main body of the drum 310 to maintain sealing and communicate with the heavy phase collection chamber 160.

[0048] The motor 321 installed on the centrifuge 100 runs, which drives the shaft 322 fixed on its output shaft to rotate. The shaft 322 runs through the upper end of the centrifuge 100 and remains sealed. The fixing plate 323 is fixed on the drum 310, and the lower end of the shaft 322 is fixed to the fixing plate 323. This drives the drum 310 to rotate as a whole.

[0049] After the two-phase mixed liquid enters the drum 310, it will soon rotate synchronously with the drum 310 at a high speed. Under the action of centrifugal force, the heavy phase liquid with high density gradually moves away from the center of the drum 310 and approaches the inner wall of the drum 310 during the upward flow process, while the light phase liquid with low density moves away from the inner wall of the drum 310 and gradually approaches the center of the drum 310. The clarified two-phase liquid enters the light phase collection chamber 150 and the heavy phase collection chamber 160 through the light phase weir plate 330 and the adjustable heavy phase weir plate 340 respectively, and finally flows out through the sixth pipeline 170 and the seventh pipeline 180.

[0050] Considering that the light phase is the agent and the heavy phase is the extract, or the heavy phase is the agent and the light phase is the extract, the sixth pipeline 170 and the seventh pipeline 180 are connected to the four-way solenoid valve 280, and the extract can be recovered by the four-way solenoid valve 280. The agent is injected into the three-way solenoid valve 550 through the tenth pipeline 290, and the three-way solenoid valve 550 controls the agent to be injected from the right end of the horizontal well 500. Specifically, the injection rate can be controlled to make this part of the agent with a smaller flow rate completely released at the screen tube 510. When the reused agent is injected in reverse, the liquid pump 530 can be controlled to be closed.

[0051] In the prior art, due to the uncertainty of the type and quality of the substances dissolved in the mixed liquid, the density of the liquid after the mixed liquid and the extract liquid are mixed is uncertain, and the different densities cause the two-phase liquid to form different liquid levels in the drum 310. Therefore, it is necessary to make the height of the heavy phase weir plate adjustable to avoid the heavy phase liquid from being completely collected. However, in the prior art, the heavy phase weir plate can usually only be reinstalled by replacement, which has poor applicability.

[0052] In order to achieve the purpose of automatically controlling the lifting of the adjustable heavy phase weir plate 340, the second pipeline 250 is set to a three-way pipe shape, and the horizontal pipeline is connected to the third pipeline 260, and a pressure control component 270 is installed between the two. A piston 352 is slidably installed in the vertical pipeline of the second pipeline 250, and a second connecting plate 353 is fixed on the piston 352. The upper end of the adjustable heavy phase weir plate 340 is fixed with a first connecting plate 351, and the upper end of the first connecting plate 351 movably passes through the upper end of the centrifuge 100.

[0053] The first metering pump 230 can control the mixed liquid to be input into the second pipeline 250 at a fixed flow rate. According to the different densities of the mixed liquid, when the hydraulic pressure at the pressure control component 270 reaches the set pressure of the pressure control component 270, the pressure control component 270 opens the passage between the second pipeline 250 and the third pipeline 260, and starts to input the mixed liquid into the centrifuge 100 through the third pipeline 260.

[0054] Since the density of the mixed liquid is different, the liquid volume when the hydraulic pressure reaches the set pressure with the same weight is different. Therefore, the piston 352 rises and falls at different heights in the vertical pipeline of the second pipeline 250. The height change of the piston 352 drives the first connecting plate 351 and the adjustable heavy phase weir plate 340 to rise and fall in the opposite direction through the transmission assembly 360.

[0055] If the density of the mixed liquid is high, the liquid level in the second pipe 250 is low when the set pressure is reached. At this time, the first connecting plate 351 and the adjustable heavy phase weir plate 340 are located at a higher position, which adapts to the higher liquid level change formed by the heavy phase liquid with higher density in the centrifuge 100 under the same centrifugal force. The same goes for the reverse.

[0056] It should be supplemented that the second metering pump 210 and the first metering pump 230 are prior art, and their specific structures and working principles are not described in detail here.

[0057] For details, please refer to Example 2. Figure 1-Figure 8 The pressure control assembly 270 includes a main valve core 271 and an overflow valve core 272 which are arranged in the second pipeline 250 , and the main valve core 271 and the overflow valve core 272 fit together. A first spring 274 is sleeved on the overflow valve core 272 to provide elastic force to the overflow valve core 272 .

[0058] The pressure control assembly 270 further includes a mounting seat 275 threadedly connected to the second pipe 250 . A spring seat 273 is disposed on the mounting seat 275 , and a relief valve core 272 is slidably disposed on the spring seat 273 .

[0059] One end of the first spring 274 is connected to the overflow valve core 272 , and the other end of the first spring 274 is connected to the spring seat 273 .

[0060] In this embodiment: the main valve core 271 is fixed in the transverse pipeline of the second pipeline 250, the rear end of the second pipeline 250 is threadedly connected to the mounting seat 275, the front end of the mounting seat 275 is fixed with a spring seat 273, and the overflow valve core 272 is slidably installed in the spring seat 273. The overflow valve core 272 blocks the main valve core 271 under the elastic force of the first spring 274. The overflow valve core 272 will be pushed open only when the hydraulic pressure at the main valve core 271 in the second pipeline 250 exceeds the elastic force of the first spring 274, so that the second pipeline 250 is connected with the third pipeline 260.

[0061] The set pressure of the pressure control component 270 is adjustable. The length of the internal thread on the rear side of the second pipe 250 is greater than the external thread of the mounting seat 275. By twisting the mounting seat 275 to drive its forward and reverse rotation, the distance of the spring seat 273 can be changed to adjust the state of the first spring 274 to adjust the elastic force generated on the overflow valve core 272.

[0062] For details, please refer to Example 3. Figure 1-Figure 9 The centrifugal mechanism 300 further includes a driving assembly 320 for driving the drum 310 to rotate.

[0063] The driving assembly 320 includes a motor 321 disposed on the centrifuge 100 . A rotating shaft 322 is disposed on the output shaft of the motor 321 . A fixing plate 323 is disposed on the rotating drum 310 . The rotating shaft 322 is connected to the fixing plate 323 .

[0064] The transmission assembly 360 includes a rotating rod 361 rotatably disposed on the centrifuge 100 , on which a first transmission plate 362 is disposed, on which two second transmission plates 363 are symmetrically slidably disposed, and the two second transmission plates 363 are hinged to the first connecting plate 351 and the second connecting plate 353 , respectively.

[0065] The centrifugal mechanism 300 further includes a limiting assembly 370 , and the limiting assembly 370 includes a ratchet 371 disposed on the rotating rod 361 .

[0066] The overflow valve core 272 is connected to a mounting plate 373 via a third connecting plate 372 . A ratchet 374 is provided on the mounting plate 373 , and the ratchet 374 is adapted to the ratchet wheel 371 .

[0067] A cylinder 390 is disposed on the third pipeline 260 , and a piston rod of the cylinder 390 is connected to the third connecting plate 372 .

[0068] In this embodiment, the motor 321 can drive the rotating shaft 322 and the rotating drum 310 to rotate.

[0069] The rotating rod 361 rotatably mounted on the outer side of the centrifuge 100, the first transmission plate 362 fixed on the rotating rod 361, and the two second transmission plates 363 slidably mounted at both ends of the first transmission plate 362 constitute a lever. When the second connecting plate 353 rises, the first connecting plate 351 is driven down, and when the second connecting plate 353 descends, the first connecting plate 351 is driven up.

[0070] In order to fix the position of the adjustable heavy phase weir plate 340 after the second pipeline 250 is connected with the third pipeline 260, a ratchet 371 is fixed on the rotating rod 361, a third connecting plate 372 is fixed on the overflow valve core 272, a mounting plate 373 is fixed on the third connecting plate 372, and a ratchet 374 is fixed on the mounting plate 373. After the second pipeline 250 is connected with the third pipeline 260, the overflow valve core 272 keeps moving backward, driving the third connecting plate 372 and the mounting plate 373 to move backward to the position of the ratchet 371. At this time, the ratchet 371 is clamped by the ratchet 374 to limit the rotating rod 361 from rotating, and the position of the adjustable heavy phase weir plate 340 is also fixed.

[0071] The piston rod of the cylinder 390 and the third connecting plate 372 can be slidably connected. In the initial state, the piston rod can be located on the rear side. At this time, the third connecting plate 372 can move freely back and forth on the piston rod according to the drive of the overflow valve core 272, but when the piston rod actively moves to the front side, as shown in the figure, the protrusion on the piston rod will hook the third connecting plate 372 and force it back to the front side, thereby releasing the limit.

[0072] For details, please refer to Example 4. Figure 2-Figure 10 A mixing mechanism 400 is also provided in the centrifuge 100 . The mixing mechanism 400 includes a rotating plate 430 provided on the rotating drum 310 . Two connecting rods 440 are rotatably provided on the rotating plate 430 .

[0073] The two connecting rods 440 are both provided with mounting rods 410 , and the two mounting rods 410 are both provided with impellers 420 .

[0074] The mixing mechanism 400 further includes a gear ring 460 disposed in the centrifuge 100 . Gears 450 are disposed on the two connecting rods 440 , and the two gears 450 are meshed with the gear ring 460 .

[0075] An annular wave slide rail 470 is disposed in the centrifuge 100 , and two mounting rods 410 are both slidably disposed on the annular wave slide rail 470 . The two mounting rods 410 are elastically connected to the two connecting rods 440 through two second springs 480 , respectively.

[0076] In this embodiment, the rotating drum 310 also drives the rotating plate 430 fixed at its lower end to rotate, and the two connecting rods 440 rotatably mounted on the rotating plate 430 drive the mounting rod 410 and the impeller 420 slidably mounted at the lower end thereof to rotate around the mixing chamber 130. The upper portion of the mounting rod 410 is rectangular, and the sliding groove of the mounting rod 410 in the connecting rod 440 is also rectangular. When the connecting rod 440 rotates, it also drives the mounting rod 410 to rotate.

[0077] At the same time, since the two gears 450 fixed on the two connecting rods 440 are meshed with the gear ring 460 fixed on the inner wall of the centrifuge 100, the two impellers 420 will also rotate, and the ups and downs of the annular wave slide rail 470 will drive the two impellers 420 to rise and fall.

[0078] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0079] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A horizontal well injection remediation device for an organic contaminated site, comprising a horizontal well (500) buried under the ground, a screen tube (510) being arranged in the middle of the horizontal well (500), characterized in that: It also includes a liquid storage tank (520) storing a repair agent, wherein a liquid pump (530) (530) is provided on the liquid storage tank (520), and the liquid pump (530) is connected to one end of the horizontal well (500) through a first pipeline (540); It also includes a centrifuge (100) and an infusion mechanism (200), wherein the infusion mechanism (200) is connected to the other end of the horizontal well (500), and after a repair agent is injected into one end of the horizontal well (500) through the first pipeline (540), a mixed liquid of the repair agent and pollutants is input into the infusion mechanism (200) from the other end of the horizontal well (500), and the infusion mechanism (200) then inputs an extract and a mixed liquid into the centrifuge (100), and the repair agent is extracted through the separation action of the centrifuge (100) and then injected back into the other end of the horizontal well (500).

2. The horizontal well injection repair device for organic contaminated sites according to claim 1 is characterized by: The infusion mechanism (200) comprises a first metering pump (230), and a second pipeline (250) is arranged on the first metering pump (230); The second pipeline (250) is provided with a third pipeline (260) and a pressure control component (270), and the pressure control component (270) controls the communication between the second pipeline (250) and the third pipeline (260) by inputting the hydraulic pressure of the mixed liquid into the second pipeline (250) through the first metering pump (230); The centrifuge (100) is provided with a centrifugal mechanism (300), the centrifugal mechanism (300) comprising a rotating drum (310) rotatably arranged in the centrifuge (100), the rotating drum (310) being provided with a light phase weir plate (330) and an adjustable heavy phase weir plate (340); The centrifugal mechanism (300) further comprises an adjusting component (350) and a transmission component (360); the adjusting component (350) comprises a first connecting plate (351) arranged on the adjustable heavy phase weir plate (340); a piston (352) is slidably arranged in the second pipe (250); a second connecting plate (353) is arranged on the piston (352); the piston (352) rises and falls according to the volume of the mixed liquid in the second pipe (250) when the pressure control component (270) is triggered, and performs reverse transmission with the first connecting plate (351) through the transmission component (360).

3. The horizontal well injection repair device for organic contaminated sites according to claim 2 is characterized by: A three-way solenoid valve (550) is provided at the other end of the horizontal well (500), a fourth pipeline (110) and a fifth pipeline (120) are provided at the lower side of the centrifuge (100), and a sixth pipeline (170) and a seventh pipeline (180) are provided at the upper side of the centrifuge (100); The centrifuge (100) is provided with a mixing chamber (130), a light phase collecting chamber (150) and a heavy phase collecting chamber (160) from bottom to top; the sixth pipeline (170) is in communication with the light phase collecting chamber (150); the seventh pipeline (180) is in communication with the heavy phase collecting chamber (160); a four-way solenoid valve (280) is provided between the sixth pipeline (170) and the seventh pipeline (180); a tenth pipeline (290) is provided on the four-way solenoid valve (280); and the tenth pipeline (290) is connected to the three-way solenoid valve (550); The infusion mechanism (200) further comprises a second metering pump (210), the second metering pump (210) being connected to the fourth pipeline (110), and the second metering pump (210) is provided with an eighth pipeline (220) for infusing the extract; The first metering pump (230) is provided with a ninth pipeline (240) for inputting the mixed liquid, the ninth pipeline (240) is connected to the three-way solenoid valve (550), and the third pipeline (260) is connected to the fifth pipeline (120).

4. The horizontal well injection repair device for organic contaminated sites according to claim 2 is characterized by: The pressure control assembly (270) comprises a main valve core (271) and an overflow valve core (272) which are arranged in the second pipeline (250), and the main valve core (271) and the overflow valve core (272) are matched with each other, and a first spring (274) is sleeved on the overflow valve core (272) for providing elastic force to the overflow valve core (272).

5. The horizontal well injection repair device for organic contaminated sites according to claim 4 is characterized by: The pressure control assembly (270) further comprises a mounting seat (275) threadedly connected to the second pipe (250), a spring seat (273) being arranged on the mounting seat (275), and the overflow valve core (272) being slidably arranged on the spring seat (273); One end of the first spring (274) is connected to the overflow valve core (272), and the other end of the first spring (274) is connected to the spring seat (273).

6. The horizontal well injection repair device for organic contaminated sites according to claim 2 is characterized by: The centrifugal mechanism (300) further comprises a driving assembly (320) for driving the rotating drum (310) to rotate; The driving assembly (320) comprises a motor (321) arranged on the centrifuge (100), a rotating shaft (322) being arranged on the output shaft of the motor (321), a fixing plate (323) being arranged on the rotating drum (310), and the rotating shaft (322) being connected to the fixing plate (323).

7. The horizontal well injection repair device for organic contaminated sites according to claim 4 is characterized by: The transmission assembly (360) comprises a rotating rod (361) rotatably arranged on the centrifuge (100), a first transmission plate (362) being arranged on the rotating rod (361), two second transmission plates (363) being symmetrically slidably arranged on the first transmission plate (362), and the two second transmission plates (363) being hinged to the first connecting plate (351) and the second connecting plate (353), respectively.

8. The horizontal well injection repair device for organic contaminated sites according to claim 7 is characterized by: The centrifugal mechanism (300) further comprises a position limiting assembly (370), wherein the position limiting assembly (370) comprises a ratchet wheel (371) arranged on the rotating rod (361); The overflow valve core (272) is connected to a mounting plate (373) via a third connecting plate (372); a ratchet (374) is provided on the mounting plate (373), and the ratchet (374) is adapted to fit the ratchet wheel (371); The third pipeline (260) is provided with a cylinder (390), and the piston rod of the cylinder (390) is connected to the third connecting plate (372).

9. The horizontal well injection repair device for organic contaminated sites according to claim 2 is characterized by: The centrifuge (100) is further provided with a mixing mechanism (400), the mixing mechanism (400) comprising a rotating plate (430) arranged on the rotating drum (310), and two connecting rods (440) are rotatably arranged on the rotating plate (430); The two connecting rods (440) are each provided with a mounting rod (410), and the two mounting rods (410) are each provided with an impeller (420).

10. The horizontal well injection repair device for organic contaminated sites according to claim 9, characterized in that: The mixing mechanism (400) further comprises a gear ring (460) arranged in the centrifuge (100), and the two connecting rods (440) are both provided with gears (450), and the two gears (450) are both meshed with the gear ring (460); An annular wave slide rail (470) is provided in the centrifuge (100), and the two mounting rods (410) are both slidably disposed on the annular wave slide rail (470). The two mounting rods (410) are elastically connected to the two connecting rods (440) via two second springs (480), respectively.

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