CN220406638U

CN220406638U - Heavy metal contaminated soil restoration device with fungus sediment reuse

Info

Publication number: CN220406638U
Application number: CN202321497373.5U
Authority: CN
Inventors: 孙仁和; 俞果; 王久运; 李茜茜; 谢欣淼
Original assignee: Guilin University of Technology
Current assignee: Guilin University of Technology
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2024-01-30
Anticipated expiration: 2033-06-13

Abstract

The application provides a heavy metal contaminated soil prosthetic devices that fungus sediment was recycled, including repairing the blending tank, through-connection has feed hopper on the top one side outer wall of repairing the blending tank, is provided with fungus liquid compounding restoration subassembly on the top inner wall of repairing the blending tank, is fixed with the blow down case on the bottom outer wall of repairing the blending tank, and feed inlet has been seted up in the junction of repairing blending tank and blow down case, is provided with strain blow down subassembly on the inner wall of blow down case. This application leads to setting of filtering fungus discharge subassembly, control second motor reversal work drives the discharge screw rod and carries out reverse rotation in the discharge intraductal, the discharge screw rod carries out the extrusion of soil mixture, carry out the filtration of fungus liquid through the filter plate, make fungus liquid filter and collect the bottom of discharge box, the later stage is discharged through the fluid-discharge tube, realize the recycle of fungus sediment fungus liquid, the forward rotation of control second motor drives the discharge screw rod and carries out forward rotation in the discharge intraductal, the discharge of soil after the discharge screw rod filters.

Description

Heavy metal contaminated soil restoration device with fungus sediment reuse

Technical Field

The utility model relates to the technical field of heavy metal contaminated soil restoration devices, in particular to a heavy metal contaminated soil restoration device with fungus dreg recycling.

Background

The heavy metal contaminated soil restoration device is a device which is specially used for restoring heavy metal contaminated soil; heavy metal pollution means an environmental pollution in which her heavy metal element exists in soil at a concentration higher than an environmental reference value; heavy metal pollution can seriously affect the ecological system and the material circulation of the soil, and cause harm to human health and environment, so that the heavy metal polluted soil restoration device is needed to be used for restoration; at present, common heavy metal contaminated soil restoration devices comprise three modes of chemical restoration, biological restoration and physical restoration, wherein the chemical restoration is used for diluting, precipitating or chemically reducing heavy metals by adding chemical substances so as to reduce the harm of the heavy metals to soil and surrounding environment; bioremediation utilizes microorganisms, plants or other organisms to decompose and absorb heavy metal elements in soil; and the physical remediation is to separate and screen the soil polluted by the heavy metal by a physical means so as to remove pollutants in the soil.

However, the heavy metal contaminated soil restoration device in the existing market is simple in structure, the mixed treatment of contaminated soil and restoration bacteria liquid cannot be comprehensively and effectively carried out, the efficiency effect of the heavy metal contaminated soil is general, and the heavy metal contaminated soil restoration device does not have the capability of recycling bacteria residue and bacteria liquid. Therefore, the improvement is made by us, and a heavy metal contaminated soil restoration device for bacterial dreg recycling is provided.

Disclosure of Invention

The utility model aims at: aiming at the problems that the existing heavy metal contaminated soil restoration device cannot comprehensively and effectively carry out the mixed treatment of contaminated soil and restoration bacterial liquid, the efficiency effect of the heavy metal contaminated soil is general, and the device does not have the capability of recycling bacterial residue bacterial liquid.

In order to achieve the above object, the present utility model provides the following technical solutions:

the heavy metal polluted soil restoration device for recycling the fungus residues is used for solving the problems.

The application is specifically such that:

including repairing the blending tank, link up and be connected with feed hopper on the top one side outer wall of repairing the blending tank, be provided with fungus liquid compounding repair subassembly on the top inner wall of repairing the blending tank, be fixed with the row workbin on the bottom outer wall of repairing the blending tank, the feed inlet has been seted up in link up in the junction of repairing blending tank and row workbin, be provided with strain row material subassembly on the inner wall of row workbin.

As the preferred technical scheme of this application, fungus liquid compounding restoration subassembly is including fixing be provided with the turbine disc on restoration mix tank top outer wall, the inside of turbine disc is rotated through the swinging arms and is installed the impeller, the swinging arms runs through in the outside one end suit of turbine disc and is fixed with first bevel gear, be fixed with the link on the top one side outer wall of turbine disc, inlay on one side outer wall of link and install first motor, the output shaft one end of first motor is connected with the second bevel gear, second bevel gear and first bevel gear meshing are connected, the swinging arms runs through in the inside one end suit of restoration mix tank and is fixed with the mounting disc, and the distribution is fixed with stirring paddle on the both sides outer wall of mounting disc, the pumping end of turbine disc is connected with the suction pipe, and the other end of suction pipe runs through on restoration mix tank's bottom inner wall, the delivery end of turbine disc is connected with the delivery pipe, be fixed with the suction pump on one side outer wall of top one side of turbine disc, suction pump's drive shaft one end is connected with the third bevel gear, and the third bevel gear and the first bevel gear and the rotation of mounting disc are equipped with the rotary joint, the rotary joint is equipped with the rotary joint, the top is connected with the rotary joint, and the rotary joint is equipped with the infusion pump.

As the preferred technical scheme of this application, strain arranges the material subassembly including the slope and install arrange the material pipe on the inner wall of material box bottom, and arrange the one end of material pipe and run through in the outside of material box, it has offered the notes material mouth to arrange the material pipe and be located on the inside top outer wall of material box, it installs the filter plate to inlay on the inside bottom outer wall of material box to arrange the material pipe, it installs the second motor to inlay on the tip inner wall of material pipe, the discharge screw rod is installed to the output shaft one end of second motor, be fixed with the connecting block on the tip one side inner wall of material pipe, the one end of discharge screw rod rotates with the outer wall of connecting block and is connected.

As the preferred technical scheme of this application, rotate on the inner wall of feed inlet and install the inlet pipe, the rotation junction of inlet pipe and restoration blending tank is inlayed and is installed the bearing, be fixed with the stirring board on the top inner wall of inlet pipe, the bottom of rotation pipe and the top outer wall fixed connection of stirring board.

As the preferred technical scheme of this application, the drain pipe is connected with in a run-through on the bottom one side outer wall of drain box, and the control valve is installed to the top of drain pipe.

As the preferred technical scheme of this application, be fixed with the collecting plate on the both sides inner wall of annotating the material mouth.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application:

1. through the setting of fungus liquid compounding restoration subassembly, control first motor work, drive the rotation pipe under bevel gear's cooperation and rotate, thereby drive mounting disc and stirring paddle rotate in restoring the blending tank, drive the suction pump and work under bevel gear's cooperation, in importing the rotation pipe through infusion return bend and rotating sleeve joint to the restoration fungus liquid in the notes liquid jar, the fungus liquid sprays the inside at restoring the blending tank through annotating the liquid mouth, stirring paddle carries out stirring treatment to the soil in the restoration blending tank, make soil abundant mix with heavy metal pollution restoration fungus liquid, heavy metal pollution soil restoration efficiency and effect have been improved, the rotation work of the impeller in the turbine disc plays the effect of restoring the soil circulation in the blending tank, the mixed effect of soil and fungus liquid has been improved, heavy metal pollution soil restoration's effect has been improved;

2. through the setting of filtering fungus discharge subassembly, above-mentioned soil and fungus liquid mix the back and pour into the material intraductal through annotating the material mouth into, control second motor reversal work and drive the discharge screw rod and carry out the reverse rotation in the material intraductal of arranging, the discharge screw rod carries out the extrusion of soil mixture, filter through the filter plate fungus liquid, make fungus liquid filter the bottom of collecting the material box of arranging, the later stage is discharged through the fluid-discharge pipe, realize the recycle of fungus sediment fungus liquid, the positive rotation of control second motor drives the discharge screw rod and carries out forward rotation in the material intraductal of arranging, the discharge of soil after the discharge screw rod filters, realize the discharge of soil after the restoration, the restoration of heavy metal contaminated soil has been made things convenient for.

Drawings

FIG. 1 is a schematic perspective view of a heavy metal contaminated soil remediation device for bacterial dreg recycling provided by the application;

FIG. 2 is a schematic drawing of a three-dimensional cutaway structure of a heavy metal contaminated soil remediation device for bacterial dreg reuse provided by the application;

FIG. 3 is an enlarged view of the structure of the area A in the heavy metal contaminated soil remediation device for recycling the bacterial residues;

FIG. 4 is an enlarged view of the structure of the region B in the heavy metal contaminated soil remediation device for recycling the bacterial residues provided by the application;

fig. 5 is a schematic diagram of a front view cutaway structure of a strain discharging assembly in the heavy metal contaminated soil remediation device for recycling bacterial residues.

The figures indicate:

1. repairing the mixing tank; 2. a feed hopper; 3. fungus liquid mixing repairing component; 4. a discharge box; 5. a feed inlet; 6. a bacterial filtering and discharging assembly; 7. a liquid discharge pipe; 8. a control valve; 9. a feed pipe; 10. a bearing; 11. a stirring plate; 12. a collecting plate;

301. a turbine disk; 302. a rotary tube; 303. an impeller; 304. a first bevel gear; 305. a connecting frame; 306. a first motor; 307. a second bevel gear; 308. a mounting plate; 309. stirring paddles; 310. a suction pipe; 311. a material conveying pipe; 312. a suction pump; 313. a third bevel gear; 314. an infusion elbow; 315. rotating the sleeve joint; 316. a liquid injection tank; 317. a liquid injection port;

601. a discharge pipe; 602. a material injection port; 603. a filter plate; 604. a second motor; 605. a discharge screw; 606. and (5) connecting a block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the embodiment provides a heavy metal contaminated soil remediation device for recycling fungus dreg, including repairing the mixing tank 1, the through connection has feed hopper 2 on the outer wall of one side of the top of repairing the mixing tank 1, be provided with fungus liquid compounding repair assembly 3 on the inner wall of the top of repairing the mixing tank 1, be fixed with the blow down case 4 on the outer wall of the bottom of repairing the mixing tank 1, feed inlet 5 has been seted up in the junction of repairing the mixing tank 1 and blow down case 4 in a through way, be provided with strain drainage assembly 6 on the inner wall of blow down case 4, the heavy metal contaminated soil of this fungus dreg recycling heavy metal contaminated soil remediation device's use in-process, carry out the input of contaminated soil through feed hopper 2, make contaminated soil enter into repair the inside of repairing the mixing tank 1, carry out heavy metal contaminated soil's repair treatment in repairing the mixing tank 1 through fungus liquid compounding repair assembly 3, the soil after the treatment enters into blow down case 4 through feed inlet 5, carry out the filtration collection of fungus liquid after the treatment through strain drainage assembly 6, benefit for recycling fungus dreg in later stage.

In the preferred embodiment, based on the above mode, the bacterial liquid mixed material repairing assembly 3 further comprises a turbine disc 301 fixed on the outer wall of the top of the repairing mixed material tank 1, an impeller 303 is rotatably installed in the turbine disc 301 through a rotating tube 302, a first bevel gear 304 is fixedly sleeved at one end of the rotating tube 302 penetrating through the outer part of the turbine disc 301, a connecting frame 305 is fixedly arranged on the outer wall of one side of the top of the turbine disc 301, a first motor 306 is fixedly sleeved at one side of the outer wall of the connecting frame 305, one end of an output shaft of the first motor 306 is connected with a second bevel gear 307, the second bevel gear 307 is in meshed connection with the first bevel gear 304, a mounting disc 308 is fixedly sleeved at one end of the rotating tube 302 penetrating through the repairing mixed material tank 1, stirring paddles 309 are fixedly distributed on the outer walls of two sides of the mounting disc 308, a suction pipe 310 is connected at the suction end of the turbine disc 301, the other end of the suction pipe 310 penetrates through the inner wall of the bottom of the repairing mixing tank 1, the material conveying end of the turbine disc 301 is connected with a material conveying pipe 311, one end of the material conveying pipe 311 penetrates through the inside of the repairing mixing tank 1, a suction pump 312 is fixed on the outer wall of one side of the top of the turbine disc 301, one end of a driving shaft of the suction pump 312 is connected with a third bevel gear 313, the third bevel gear 313 is meshed with the first bevel gear 304, the material conveying end of the suction pump 312 is connected with a material conveying elbow 314 in a penetrating way, the material conveying elbow 314 is connected with the top end of the rotating pipe 302 in a rotating way, a rotating sleeve joint 315 is arranged at the rotating joint, the liquid conveying end of the suction pump 312 is connected with a material conveying tank 316 in a penetrating way, the mounting disc 308 is of a hollow structure, liquid conveying ports 317 are distributed on the outer walls of two sides of the mounting disc 308, and after the polluted soil enters the repairing mixing tank 1, heavy metal polluted repairing bacteria liquid is stored in the material conveying tank 316, the first motor 306 is controlled to work to drive the second bevel gear 307 to rotate, the rotary pipe 302 is driven to rotate under the cooperation of the second bevel gear 307 and the first bevel gear 304, thereby the mounting plate 308 and the stirring blade 309 are driven to rotate in the repairing mixing tank 1, the suction pump 312 is driven to rotate under the cooperation of the first bevel gear 304 and the third bevel gear 313, heavy metal pollution repairing bacteria liquid in the liquid injection tank 316 is pumped, the heavy metal pollution repairing bacteria liquid is input into the mounting plate 308 through the liquid injection pipe 314 and the rotary sleeve joint 315, the bacteria liquid is sprayed in the repairing mixing tank 1 through the liquid injection port 317, the stirring blade 309 stirs the soil in the repairing mixing tank 1, the soil is fully mixed with the heavy metal pollution repairing bacteria liquid, the efficiency and the effect of repairing heavy metal pollution soil are improved, the impeller 303 in the turbine disk 301 is driven to rotate, the generated centrifugal force is used for repairing the soil in the mixing tank 1 through the suction pipe 310, the heavy metal pollution repairing bacteria liquid flows back into the repairing mixing tank 1 through the liquid injection pipe 311, the effect of repairing the soil in the mixing tank 1 is achieved, and the effect of repairing the soil and the heavy metal pollution repairing bacteria liquid is improved.

As a preferred embodiment, further, on the basis of the above-mentioned mode, the fungus filter and discharge assembly 6 includes the row material pipe 601 of slope installation on the inner wall of the bottom of the row material case 4, and the one end of row material pipe 601 runs through in the outside of row material case 4, the material injection mouth 602 has been seted up on the top outer wall of row material pipe 601 in row material case 4 inside, install filter plate 603 on the bottom outer wall of row material case 4 in the embedding, install second motor 604 on the inner wall of the tip of row material pipe 601, the discharge screw 605 is installed to the output shaft one end of second motor 604, be fixed with connecting block 606 on the inner wall of tip one side of row material pipe 601, the one end of discharge screw 605 is rotated with the outer wall of connecting block 606 and is connected, above-mentioned soil and fungus liquid mix the back is got into row material case 4 through feed inlet 5, pour into row material pipe 601 through the material injection mouth 602, control second motor 604 reversal work drives row material screw 605 and carries out the extrusion of soil mixture in row material pipe 601, filter plate 603 carries out the filtration of fungus liquid, make fungus liquid filter collect the bottom of row material 4, realize that the fungus liquid filter is carried out the fungus liquid filter and is carried out in the soil after the drain material recovery time 7 of row material screw 605, realize that the soil is rotated in the soil is recovered after the soil is recovered to the control of the rotation, and the fungus filter and is recovered.

On the basis of the above mode, further, the feeding pipe 9 is rotatably installed on the inner wall of the feed inlet 5, the bearing 10 is installed at the rotation joint of the feeding pipe 9 and the repairing mixing tank 1 in an embedded manner, the stirring plate 11 is fixed on the top inner wall of the feeding pipe 9, the bottom end of the rotating pipe 302 is fixedly connected with the top outer wall of the stirring plate 11, the stirring plate 11 and the rotating pipe 302 are also driven to rotate under the action of the bearing 10 by the suction pipe 310, and the stirring plate 11 rotates at the feed inlet 5, so that the blocking problem of the feed inlet 5 can be effectively avoided.

In a preferred embodiment, in addition to the above-described embodiment, a drain pipe 7 is connected to the bottom side outer wall of the drain tank 4 in a penetrating manner, and a control valve 8 is attached above the drain pipe 7, so that the filtered bacterial liquid is discharged through the drain pipe 7.

In the preferred embodiment, further, the material collecting plates 12 are fixed on the inner walls of the two sides of the material injection port 602, and the material can be effectively input into the material discharge pipe 601 through the material injection port 602 by the arrangement of the material collecting plates 12.

Specifically, heavy metal contaminated soil prosthetic devices that this fungus sediment was recycled is during operation/during the use: in the use process of the heavy metal contaminated soil remediation device for recycling the bacterial residues, the contaminated soil is input through the feeding hopper 2, so that the contaminated soil enters the interior of the remediation mixing tank 1, heavy metal contaminated remediation bacterial liquid is stored in the liquid injection tank 316, the first motor 306 is controlled to work to drive the second bevel gear 307 to rotate, the second bevel gear 307 and the first bevel gear 304 are matched to drive the rotating pipe 302 to rotate, the mounting plate 308 and the stirring blade 309 are driven to rotate in the remediation mixing tank 1, the first bevel gear 304 and the third bevel gear 313 are matched to drive the suction pump 312 to rotate, the heavy metal contaminated remediation bacterial liquid in the liquid injection tank 316 is pumped, the heavy metal contaminated remediation bacterial liquid is input into the rotating pipe 302 through the transfusion elbow 314 and the rotating sleeve joint 315, the heavy metal contaminated remediation bacterial liquid is input into the mounting plate 308, fungus liquid is sprayed into the repairing mixing tank 1 through the liquid injection hole 317, the stirring blade 309 stirs the soil in the repairing mixing tank 1, so that the soil is fully mixed with heavy metal pollution repairing fungus liquid, the repairing efficiency and effect of heavy metal pollution soil are improved, thereby driving the impeller 303 in the turbine disc 301 to rotate, the generated centrifugal force pumps the soil in the repairing mixing tank 1 through the material suction pipe 310, the generated centrifugal force flows back into the repairing mixing tank 1 through the material conveying pipe 311 to play a role in repairing the soil circulation in the mixing tank 1, the mixing effect of the soil and fungus liquid is improved, the repairing effect of heavy metal pollution soil is improved, the soil and fungus liquid are mixed and then enter the discharging box 4 through the material inlet 5, are injected into the material discharging pipe 601 through the material injection hole 602, the second motor 604 is controlled to reversely rotate to drive the material discharging screw 605 to reversely rotate in the material discharging pipe 601, the discharge screw 605 extrudes the soil mixture, the bacterial liquid is filtered through the filter plate 603, the bacterial liquid is filtered and collected at the bottom of the discharge box 4, the bacterial liquid is discharged through the liquid discharge pipe 7 in the later stage, recycling of bacterial residue bacterial liquid is achieved, the second motor 604 is controlled to rotate positively to drive the discharge screw 605 to rotate positively in the discharge pipe 601, the discharge screw 605 discharges the soil after filtering, the discharge of the soil after repairing is achieved, and the repairing of the heavy metal contaminated soil is facilitated.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. The utility model provides a heavy metal contaminated soil prosthetic devices that fungus sediment was recycled, its characterized in that, including restoration blending tank (1), through-connection has feed hopper (2) on the top one side outer wall of restoration blending tank (1), be provided with fungus liquid compounding restoration subassembly (3) on the top inner wall of restoration blending tank (1), be fixed with on the bottom outer wall of restoration blending tank (1) and arrange feed bin (4), feed inlet (5) have been seted up in link up in the junction of restoration blending tank (1) and row feed bin (4), be provided with strain row material subassembly (6) on the inner wall of row feed bin (4).

2. The heavy metal contaminated soil remediation device for bacterial dreg recycling according to claim 1, wherein the bacterial liquid mixing remediation assembly (3) comprises a turbine disc (301) fixed on the outer wall of the top of the remediation mixing tank (1), an impeller (303) is rotatably installed in the turbine disc (301) through a rotating tube (302), a first bevel gear (304) is fixedly sleeved at one end of the rotating tube (302) penetrating the outside of the turbine disc (301), a connecting frame (305) is fixedly arranged on the outer wall of one side of the top of the turbine disc (301), a first motor (306) is fixedly sleeved at one side of the connecting frame (305), a second bevel gear (307) is connected at one end of an output shaft of the first motor (306), the second bevel gear (307) is in meshed connection with the first bevel gear (304), a mounting disc (308) is fixedly arranged at one end of the rotating tube (302) penetrating the inside of the remediation mixing tank (1), stirring paddles (309) are fixedly distributed on the outer walls of two sides of the mounting disc (308), a first motor (306) is fixedly arranged on the outer wall of one side of the connecting frame (305), a second bevel gear (307) is connected with a first bevel gear (307) at one end of an output shaft of the first motor (307) and is in meshed connection with the second bevel gear (307), and the one end of conveying pipeline (311) runs through in the inside of repairing mix jar (1), be fixed with suction pump (312) on the top one side outer wall of turbine disc (301), the drive shaft one end of suction pump (312) is connected with third bevel gear (313), and third bevel gear (313) and first bevel gear (304) meshing are connected, the infusion end through-connection of suction pump (312) has infusion return bend (314), the top of infusion return bend (314) and swinging tube (302) rotates to be connected, and rotates junction and install swivel sleeve joint (315), the feed liquor end through-connection of suction pump (312) has annotate fluid reservoir (316), mounting disc (308) are hollow structure, and annotate liquid mouth (317) have been seted up to the distribution on the both sides outer wall of mounting disc (308).

3. The heavy metal contaminated soil remediation device for recycling fungus dregs according to claim 1, wherein the fungus filtering and discharging assembly (6) comprises a discharging pipe (601) obliquely arranged on the inner wall of the bottom of the discharging box (4), one end of the discharging pipe (601) penetrates through the outside of the discharging box (4), a material filling opening (602) is formed in the outer wall of the top of the inside of the discharging box (4), a filter plate (603) is embedded and arranged on the outer wall of the bottom of the inside of the discharging box (4) in the discharging pipe (601), a second motor (604) is embedded and arranged on the inner wall of the end part of the discharging pipe (601), a discharging screw (605) is arranged at one end of an output shaft of the second motor (604), a connecting block (606) is fixed on the inner wall of one side of the end part of the discharging pipe (601), and one end of the discharging screw (605) is rotationally connected with the outer wall of the connecting block (606).

4. The heavy metal contaminated soil remediation device for recycling bacterial residues according to claim 2, wherein a feeding pipe (9) is rotatably installed on the inner wall of the feeding hole (5), a bearing (10) is embedded and installed at the rotary joint of the feeding pipe (9) and the remediation mixing tank (1), a stirring plate (11) is fixed on the inner wall of the top of the feeding pipe (9), and the bottom end of the rotary pipe (302) is fixedly connected with the outer wall of the top of the stirring plate (11).

5. The heavy metal contaminated soil remediation device for recycling bacterial residues according to claim 1, wherein a liquid discharge pipe (7) is connected to the outer wall of one side of the bottom of the liquid discharge box (4) in a penetrating manner, and a control valve (8) is arranged above the liquid discharge pipe (7).

6. A heavy metal contaminated soil remediation device for bacterial dreg recycling in accordance with claim 3, wherein, the material collecting plates (12) are fixed on the inner walls of both sides of said material injecting opening (602).