Heavy metal polluted groundwater extraction and remediation equipment

Abstract

The utility model discloses extraction and remediation equipment for heavy metal polluted underground water. The extraction and remediation equipment comprises a water purification tank, a medicament bin arranged at the top end of the water purification tank, a rotating disc rotationally clamped in the water purification tank and a water inlet assembly arranged on the water purification tank, a hollow guide pipe rotationally clamped with the water purifying tank is arranged on the rotating disc, the hollow guide pipe is communicated with the medicament bin, an impact plate is arranged at the upper end of the rotating disc, and the water inlet assembly is used for pumping polluted underground water into the water purifying tank and driving the rotating disc to rotate; the device is reasonable in structural design, the rotating disc and the hollow guide pipe can rotate under the impact effect of the water inlet assembly, intermittent feeding of repairing agents can be achieved, and waste of the repairing agents is avoided; meanwhile, in the rotating process of the hollow guide pipe, the stirring assembly can be driven to rotate synchronously, the spreading uniformity of the remediation agent in the polluted underground water can be improved, the operation energy consumption of the equipment is effectively reduced, and the device is suitable for application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of groundwater remediation, in particular to a heavy metal contaminated groundwater extraction and remediation equipment. BACKGROUND

[0002] At present, the remediation technology of heavy metal pollution in groundwater can be divided into ex situ and in situ remediation technology. The ex situ remediation technology of heavy metal pollution is to extract the heavy metal contaminated groundwater, purify the water quality and remove the pollutants by water treatment technology, and then recharge the treated water meeting the relevant standard requirements to the target aquifer, so as to effectively remove the heavy metal pollution components in the groundwater. The in situ remediation technology mainly refers to the construction of a permeable reaction wall technology downstream of the contaminated water body, which makes the contaminated groundwater fully contact with the active filler by adding various active fillers in the wall, and accelerates the remediation technology of pollutant removal.

[0003] However, in the prior art, the in situ remediation equipment for heavy metal contaminated groundwater has a large volume and high energy consumption. Moreover, during the operation of the equipment, the operating status of the equipment needs to be monitored by the staff in real time, and the labor intensity of the staff is high. CONTENT OF THE UTILITY MODEL

[0004] In view of the above technical problems, the utility model provides a heavy metal contaminated groundwater extraction and remediation equipment.

[0005] The technical scheme of the utility model is as follows: a heavy metal contaminated groundwater extraction and remediation equipment, comprising a water purification tank, a reagent bin arranged at the top end of the water purification tank, a rotating disc rotatably clamped in the water purification tank, and a water inlet assembly arranged on the water purification tank; a water outlet pipe is arranged at an upper position on one side of the water purification tank;

[0006] A feeding channel is arranged through the connection between the reagent bin and the water purification tank, and a reagent feeding pipe is arranged at the top end of the reagent bin;

[0007] A hollow guide pipe is arranged through the rotating disc and rotatably clamped to the bottom of the water purification tank; a reagent receiving hopper is connected to the top end of the hollow guide pipe, and a reagent feeding hole is arranged through the top end of the reagent receiving hopper and can communicate with the feeding channel; a branch pipe is arranged on the outer side wall of the hollow guide pipe and in communication with the inside of the hollow guide pipe; a plurality of impact plates are equidistantly distributed on the upper end face of the rotating disc and located in the circumferential direction of the hollow guide pipe, and a water outlet hole is arranged through the rotating disc and located between two adjacent impact plates;

[0008] The water inlet assembly comprises a water distribution disc arranged in the water purification tank and corresponding to the position of the rotating disc, a water inlet pump arranged on the outer side wall of the water purification tank and in communication with the water distribution disc, and a plurality of water inlet nozzles equidistantly distributed on the inner side wall of the water distribution disc; the output end of the water inlet pump is connected with a water inlet pipe, and each water inlet nozzle is inclinedly arranged on the inner side wall of the water distribution disc.

[0009] Further, the medicine receiving hopper is rotationally connected with the inner top of the water purification tank;

[0010] Description: By rotationally connecting the medicine receiving hopper with the inner top of the water purification tank, the stability of the rotating disc when rotating inside the water purification tank is improved.

[0011] Further, an adjusting block is slidingly connected with the inner top of the water purification tank at a position corresponding to the feed channel, and an adjusting lead screw is threadedly connected with the inner top of the water purification tank and threadedly connected with the adjusting block;

[0012] Description: By using the adjusting lead screw to push the adjusting block to move inside the inner top of the water purification tank, the aperture of the feed channel is adjusted, so that the adding amount of the remediation agent is adjusted, and the scientificity of the remediation of the contaminated groundwater is improved.

[0013] Further, a stirring assembly is arranged below the rotating disc on the hollow guide pipe; the stirring assembly comprises a lifting seat slidingly connected with the hollow guide pipe, a plurality of first stirring rods movably hinged in the circumferential direction of the lifting seat, a plurality of second stirring rods movably connected with the outer side wall of the hollow guide pipe and located below the lifting seat, and a rotating shaft rotationally connected with the inner wall of the water purification tank; a return spring is sleeved on the hollow guide pipe and abuts against the lower end surface of the lifting seat; each first stirring rod is movably hinged with each second stirring rod in one-to-one correspondence; a swing cam capable of abutting against the upper end surface of the lifting seat is sleeved on the rotating shaft, a first bevel gear is connected with the end of the rotating shaft, and a second bevel gear is sleeved on the hollow guide pipe and meshingly connected with the first bevel gear;

[0014] Description: During the rotation of the hollow guide pipe, the lifting seat, the first stirring rods and the second stirring rods are simultaneously rotated to stir and mix the contaminated groundwater and the remediation agent; meanwhile, the rotating shaft is rotated by the meshing action of the second bevel gear and the first bevel gear during the rotation of the hollow guide pipe, so that the swing cam continuously hits the lifting seat, and the lifting seat reciprocally moves on the hollow guide pipe; during the movement of the lifting seat, the stirring paths of the first stirring rods and the second stirring rods are changed, which is conducive to improving the dissolution efficiency of the remediation agent in the contaminated groundwater.

[0015] Further, a stirring branch rod is sleeved on each second stirring rod;

[0016] Description: By arranging the stirring branch rod on the second stirring rod, the stirring branch rod can scatter the remediation agent during the rotation of the second stirring rod, and the mixing effect of the contaminated groundwater and the remediation agent is improved.

[0017] Further, the water inlet pipe is higher than the water outlet pipe, and the pipe diameter of the water inlet pipe is smaller than that of the water outlet pipe;

[0018] Description: By the above arrangement, the automatic discharge of the treated contaminated groundwater is realized, and the labor cost input during the treatment of the contaminated groundwater is reduced.

[0019] The working principle of the utility model is:

[0020] In use, the water inlet pipe is connected with the contaminated groundwater collecting well, and the water outlet pipe is connected with the drainage well; then the repairing agent is added into the agent bin; the contaminated groundwater is pumped into the water tray by the water inlet pump, and after the contaminated groundwater is sprayed out by the water inlet spray head, the impact plate drives the rotating disc and the hollow guide pipe to rotate in the water tank under the action of water pressure; when the receiving hopper coincides with the feeding channel, the repairing agent enters the receiving hopper, and is diffused into the contaminated groundwater through the hollow guide pipe and the branch pipe in turn to repair the contaminated groundwater; meanwhile, the hollow guide pipe rotates, the second bevel gear and the first bevel gear are engaged to drive the rotating shaft to rotate, so that the swing cam continuously impacts the lifting seat, and the lifting seat reciprocates on the hollow guide pipe, and in the movement of the lifting seat, the stirring paths of the first stirring rod and the second stirring rod can be changed, so that the repairing agent and the contaminated groundwater are fully mixed; when the liquid level in the water tank is higher than the water outlet pipe, the repaired contaminated groundwater flows to the drainage well through the water outlet pipe.

[0021] Compared with the prior art, the utility model has the beneficial effects as follows:

[0022] Firstly, the utility model has reasonable structure design, the contaminated groundwater is sprayed out from the water inlet spray head under the pressurization of the water inlet pump, the impact plate can drive the rotating disc and the hollow guide pipe to rotate under the action of water flow impact, intermittent feeding of the repairing agent is realized, and waste of the repairing agent is avoided;

[0023] Secondly, the hollow guide pipe can drive the stirring assembly to rotate synchronously in the rotating process, not only the diffusion uniformity of the repairing agent in the contaminated groundwater is improved, the repairing efficiency of the contaminated groundwater is improved, but also no additional power source is needed, and the operation energy consumption of the equipment is effectively reduced;

[0024] Thirdly, the stirring path of the stirring assembly can be automatically changed in the operation process, the effect of the repairing agent is further improved; meanwhile, the repaired contaminated groundwater can be automatically discharged through the drainage pipe in the use process of the utility model, and the personnel cost investment during the repairing of the contaminated groundwater is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the longitudinal sectional view of the utility model;

[0026] Figure 2 is the front view of the utility model;

[0027] Figure 3 is the internal structure schematic view of the water tank of the utility model;

[0028] Figure 4 is the connection diagram of the adjusting block and the water purification tank of the utility model;

[0029] Figure 5 is the connection diagram of the stirring assembly and the hollow conduit of the utility model;

[0030] Wherein, 1-water purification tank, 10-water outlet pipe, 2-medicament bin, 20-feeding channel, 21-dosing pipe, 3-rotary disc, 30-hollow conduit, 300-branch pipe, 31-dosing hopper, 310-dosing hole, 32-impact plate, 33-fall water hole, 4-water inlet assembly, 40-water distribution tray, 41-water inlet pump, 410-water inlet pipe, 42-water inlet nozzle, 5-adjusting block, 50-adjusting lead screw, 6-stirring assembly, 60-lifting seat, 600-return spring, 61-first stirring rod, 62-second stirring rod, 620-stirring branch rod, 63-rotary shaft, 630-oscillating cam, 631-first bevel gear, 632-second bevel gear. DETAILED DESCRIPTION

[0031] Example 1

[0032] As Figure 1 , 2 shown in a kind of heavy metal pollution underground water extraction repair equipment, including water purification tank 1, medicament bin 2 being arranged at the top of water purification tank 1, rotary disc 3 being rotationally connected in water purification tank 1 and water inlet assembly 4 being arranged on water purification tank 1;Water purification tank 1 side upper position is provided with water outlet pipe 10;

[0033] As Figure 1 , 4 shown, medicament bin 2 and the inlet of water purification tank 1 are provided with feeding channel 20, medicament bin 2 top is provided with dosing pipe 21;

[0034] As Figure 1 , 3 , 5 shown, rotary disc 3 is provided with hollow conduit 30 being rotationally connected with the bottom of water purification tank 1;Hollow conduit 30 top is connected with dosing hopper 31, dosing hopper 31 top is provided with dosing hole 310, which can be communicated with feeding channel 20;Hollow conduit 30 outer wall lower end is provided with branch pipe 300 being communicated with the inside of hollow conduit 30;Rotary disc 3 upper end face is equidistantly distributed with 6 impact plates 32 being located in the circumferential direction of hollow conduit 30, rotary disc 3 is provided with fall water hole 33 between adjacent two impact plates 32;Dosing hopper 31 is rotationally connected with the inner top of water purification tank 1;

[0035] As Figure 1 , 2As shown in FIGS. 1-3, the water inlet assembly 4 comprises a water uniformizing disc 40 sleeved inside the water purifying tank 1 and corresponding to the position of the rotating disc 3, a water inlet pump 41 arranged on the outer sidewall of the water purifying tank 1 and communicated with the water uniformizing disc 40, and six water inlet nozzles 42 equidistantly arranged on the inner sidewall of the water uniformizing disc 40; the output end of the water inlet pump 41 is connected with a water inlet pipe 410, and each water inlet nozzle 42 is obliquely arranged on the inner sidewall of the water uniformizing disc 40.

[0036] Embodiment 2

[0037] The difference between this embodiment and Embodiment 1 is that:

[0038] As shown in FIGS. 1-3, the water inlet assembly 4 comprises a water uniformizing disc 40 sleeved inside the water purifying tank 1 and corresponding to the position of the rotating disc 3, a water inlet pump 41 arranged on the outer sidewall of the water purifying tank 1 and communicated with the water uniformizing disc 40, and six water inlet nozzles 42 equidistantly arranged on the inner sidewall of the water uniformizing disc 40; the output end of the water inlet pump 41 is connected with a water inlet pipe 410, and each water inlet nozzle 42 is obliquely arranged on the inner sidewall of the water uniformizing disc 40. Figure 4

[0039] The aperture of the feed channel 20 is adjusted by moving the adjusting block 5 inside the top end of the water purifying tank 1 by the adjusting lead screw 5.

[0040] Embodiment 3

[0041] The difference between this embodiment and Embodiment 2 is that:

[0042] As shown in FIGS. 1-3, the water inlet assembly 4 comprises a water uniformizing disc 40 sleeved inside the water purifying tank 1 and corresponding to the position of the rotating disc 3, a water inlet pump 41 arranged on the outer sidewall of the water purifying tank 1 and communicated with the water uniformizing disc 40, and six water inlet nozzles 42 equidistantly arranged on the inner sidewall of the water uniformizing disc 40; the output end of the water inlet pump 41 is connected with a water inlet pipe 410, and each water inlet nozzle 42 is obliquely arranged on the inner sidewall of the water uniformizing disc 40. Figure 1 5 As shown in FIGS. 1-3, the water inlet assembly 4 comprises a water uniformizing disc 40 sleeved inside the water purifying tank 1 and corresponding to the position of the rotating disc 3, a water inlet pump 41 arranged on the outer sidewall of the water purifying tank 1 and communicated with the water uniformizing disc 40, and six water inlet nozzles 42 equidistantly arranged on the inner sidewall of the water uniformizing disc 40; the output end of the water inlet pump 41 is connected with a water inlet pipe 410, and each water inlet nozzle 42 is obliquely arranged on the inner sidewall of the water uniformizing disc 40.

[0043] ​​The hollow conduit 30 can drive the lifting seat 60, the first stirring rod 61 and the second stirring rod 62 to rotate simultaneously during rotation, and the contaminated groundwater and the remediation agent are stirred and mixed; meanwhile, the hollow conduit 30 drives the rotating shaft 63 to rotate by using the meshing effect of the second bevel gear 632 and the first bevel gear 631 during rotation, so that the oscillating cam 630 constantly impacts the lifting seat 60, and the lifting seat 60 reciprocates on the hollow conduit 30, and the stirring path of the first stirring rod 61 and the second stirring rod 62 can be changed during movement of the lifting seat 60.

[0044] Embodiment 4

[0045] The difference between the embodiment and the embodiment 3 is that:

[0046] As shown in Figure 2 The water inlet pipe 410 is higher than the water outlet pipe 10, and the pipe diameter of the water inlet pipe 410 is smaller than that of the water outlet pipe 10; wherein the height of the water inlet pipe is 2.5 m, and the pipe diameter is 8 cm; the height of the water outlet pipe 10 is 2.2 m, and the pipe diameter is 12 cm;

[0047] The above setting enables the contaminated groundwater after treatment to be automatically discharged.

[0048] Embodiment 5

[0049] The difference between the embodiment and the embodiment 1 is that the impact plate 32 is provided with 10, and the water inlet nozzle 42 is provided with 12.

[0050] It should be noted that the water inlet pump 41 and the water inlet nozzle 42 used in the utility model are all existing technologies, and no special limitation is made here, and the corresponding products can be selected according to actual needs.

Claims

1. A heavy metal contaminated groundwater pump and treat apparatus, characterized by, The utility model provides a water purifying device, including water purifying tank (1), the reagent bin (2) of setting in water purifying tank (1) top, rotate and link in water purifying tank (1) inside rotating disc (3) and set up water inlet subassembly (4) on water purifying tank (1), water purifying tank (1) one side upper position is provided with water outlet pipe (10), The reagent bin (2) is provided with a feeding channel (20) penetratingly arranged at the connection with the water purifying tank (1), and the reagent bin (2) is provided with a dosing pipe (21) at the top end. The rotating disc (3) is provided with a hollow guide pipe (30) penetratingly arranged and rotatably connected with the bottom inside the water purifying tank (1), and the top end of the hollow guide pipe (30) is connected with a receiving hopper (31), the top end of the receiving hopper (31) is provided with a medicine inlet hole (310) capable of communicating with the feeding channel (20), and the outer side wall of the hollow guide pipe (30) is provided with a branch pipe (300) in communication with the inside of the hollow guide pipe (30) at the lower end; a plurality of impact plates (32) are equidistantly distributed on the upper end surface of the rotating disc (3) and located in the circumferential direction of the hollow guide pipe (30), and a water outlet hole (33) is penetratingly arranged on the rotating disc (3) between two adjacent impact plates (32). The water inlet subassembly (4) comprises a water distributing disc (40) arranged in the water purifying tank (1) and corresponding to the rotating disc (3), a water inlet pump (41) arranged on the outer side wall of the water purifying tank (1) and in communication with the water distributing disc (40), and a plurality of water inlet nozzles (42) equidistantly distributed on the inner side wall of the water distributing disc (40); the output end of the water inlet pump (41) is connected with a water inlet pipe (410), and each water inlet nozzle (42) is obliquely arranged on the inner side wall of the water distributing disc (40). The hollow guide pipe (30) is provided with a stirring assembly (6) located below the rotating disc (3); the stirring assembly (6) comprises a lifting seat (60) slidingly connected with the hollow guide pipe (30), a plurality of first stirring rods (61) movably hinged in the circumferential direction of the lifting seat (60), a plurality of second stirring rods (62) movably hinged on the outer side wall of the hollow guide pipe (30) and located below the lifting seat (60), and a rotating shaft (63) rotatably connected with the inner wall of the water purifying tank (1); the hollow guide pipe (30) is sleeved with a reset spring (600) abutting against the lower bottom surface of the lifting seat (60); each first stirring rod (61) is movably hinged with each second stirring rod (62) one by one; the rotating shaft (63) is sleeved with a swing cam (630) capable of abutting against the upper end surface of the lifting seat (60), and the end of the rotating shaft (63) is connected with a first bevel gear (631); the hollow guide pipe (30) is sleeved with a second bevel gear (632) meshingly connected with the first bevel gear (631).

2. The heavy metal contaminated groundwater pump and treat apparatus of claim 1, wherein, The receiving hopper (31) is rotatably connected with the inner top of the water purifying tank (1).

3. The heavy metal contaminated groundwater pump and treat apparatus of claim 1, wherein, The inside of the top end of the water purifying tank (1) and the position corresponding to the feeding channel (20) are slidingly connected with an adjusting block (5), and the inside of the top end of the water purifying tank (1) is threadedly connected with an adjusting lead screw (50) threadedly connected with the adjusting block (5).

4. The heavy metal contaminated groundwater pump and treat apparatus of claim 1, wherein, Each of the second stirring rods (62) is sleeved with a stirring branch rod (620).

5. The heavy metal contaminated groundwater pump and treat device of claim 1, wherein, The water inlet pipe (410) is higher than the water outlet pipe (10), and the pipe diameter of the water inlet pipe (410) is smaller than that of the water outlet pipe (10).

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