Heavy metal contaminated soil treatment device

Abstract

The utility model relates to the field of soil remediation, and discloses a heavy metal contaminated soil treatment device which comprises a treatment tank, the left side of the treatment tank is fixedly connected with a conveying pipe, the bottom end of the conveying pipe is fixedly connected with a feeding pipe, the top end of the conveying pipe is fixedly connected with a power assembly, and the bottom end of the power assembly is fixedly connected with a first auger. A feeding port is formed in the left side of the treatment tank, a funnel is rotationally connected to the interior of the treatment tank, a liquid discharging hole is formed in the bottom end of the funnel, a second support is fixedly connected to the bottom end of the treatment tank, a second motor is fixedly connected to the interior of the second support, and a second packing auger is fixedly connected to an output shaft at the top end of the second motor. According to the soil treatment device, the conveying pipe and the funnel are arranged, and the motor I and the motor II are started, so that soil is conveyed into the treatment tank from the conveying pipe, is secondarily stirred by the stirring blades after passing through the spraying liquid, and is discharged from the discharging assembly, and therefore, the soil can be continuously treated, and the treatment effect is relatively good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of soil remediation especially relates to a heavy metal contaminated soil treatment device. BACKGROUND

[0002] Soil remediation refers to the process of removing, transforming or immobilizing pollutants in contaminated soil using physical, chemical or biological techniques to restore its normal function. These techniques aim to reduce the concentration of pollutants in soil and reduce their potential risks to the environment and human health. With technological progress and policy support, the soil remediation industry is continuously developing, contributing to the sustainable use of land resources and environmental protection.

[0003] Soil remediation is widely used in industrial contaminated sites and mining areas. The soil in these areas often contains heavy metals, which are not easily biodegradable in soil and can accumulate in organisms, posing a long-term threat to the ecological environment and human health. Therefore, a heavy metal contaminated soil treatment device is needed.

[0004] Current heavy metal contaminated soil treatment devices usually add leaching liquid to the contaminated soil for leaching, converting heavy metals in the solid phase of the soil to the liquid phase of the soil, and finally recycling the liquid phase. In this treatment method, the soil is usually placed in a stirring tank and stirred, and the soil is sprayed at the same time. After each treatment, the soil needs to be taken out and placed in new soil, which has low processing efficiency. Therefore, a heavy metal contaminated soil treatment device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a heavy metal contaminated soil treatment device, which aims to improve the problem of low soil treatment efficiency in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a heavy metal contaminated soil treatment device, comprising a treatment tank, a conveying pipe fixedly connected to the left side of the treatment tank, a feeding pipe fixedly connected to the bottom end of the conveying pipe, a power assembly fixedly connected to the top end of the conveying pipe, a screw conveyor one fixedly connected to the bottom end of the power assembly, a feeding port formed in the left side of the treatment tank, a hopper rotatably connected inside the treatment tank, a liquid discharge hole formed in the bottom end of the hopper, a bracket two fixedly connected to the bottom end of the treatment tank, a motor two fixedly connected inside the bracket two, a screw conveyor two fixedly connected to the top end output shaft of the motor two, a screw conveyor storehouse rotatably connected to the outer periphery of the screw conveyor two, a stirring blade fixedly connected to the outer periphery of the screw conveyor storehouse, a medicine tank fixedly connected to the top end of the treatment tank, a spraying head provided at the bottom end of the medicine tank, and a discharge assembly provided at the top end of the treatment tank, the discharge assembly is used for discharging soil.

[0007] As a further description of the above technical solutions:

[0008] The discharging assembly comprises a discharging bin, the bottom end of the discharging bin is fixedly connected to the top end of the treatment tank, a discharging port is fixedly connected to the right side of the discharging bin, an extrusion bin is fixedly connected to the top end of the discharging bin, a sliding round block is elastically connected to the inner wall of the top end of the extrusion bin through an extrusion spring, a connecting column is fixedly connected to the bottom end of the sliding round block, and an extrusion plug is fixedly connected to the bottom end of the connecting column.

[0009] As a further description of the above technical solutions:

[0010] The power assembly comprises a support one, the bottom end of the support one is fixedly connected to the top end of the conveying pipe, a motor one is fixedly connected in the support one, and the top end of the auger one is fixedly connected to the bottom end output shaft of the motor one.

[0011] As a further description of the above technical solutions:

[0012] The middle shaft of the auger two is rotatably connected to the inside of the treatment tank, and the bottom surface of the hopper is fixedly connected to the outer periphery of the middle shaft of the auger two.

[0013] As a further description of the above technical solutions:

[0014] The top end of the auger bin is fixedly connected to the inner wall of the top end of the treatment tank.

[0015] As a further description of the above technical solutions:

[0016] One end of the extrusion spring is fixedly connected to the inner wall of the top end of the extrusion bin, the other end of the extrusion spring is fixedly connected to the top end of the sliding round block, and the outer periphery of the sliding round block is slidably connected to the inside of the extrusion bin.

[0017] As a further description of the above technical solutions:

[0018] The connecting column penetrates through and is slidably connected to the top end of the discharging bin.

[0019] As a further description of the above technical solutions:

[0020] The outer periphery of the extrusion plug is in contact with the top end opening of the auger bin.

[0021] The utility model has the advantages of the following:

[0022] 1、In the utility model, through setting up conveying pipe, hopper, opening motor one and motor two, soil is conveyed into treatment tank from conveying pipe, then after spraying liquid and secondary stirring of stirring blade, the soil is discharged from discharging assembly, so that the soil can be continuously treated, and the treatment effect is good.

[0023] 2. The utility model discloses a sliding round block, connecting column, extrusion spring are set up, make the soil in the process of rising will receive the resistance of extrusion plug downward, make the spray liquid in the soil be extruded, thereby reduce the spray liquid content in the soil, improve the recovery rate of spray liquid. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is an overall front view schematic drawing of heavy metal contaminated soil treatment device that the utility model proposes;

[0025] Fig. 2 It is the processing jar front section view schematic drawing of heavy metal contaminated soil treatment device that the utility model proposes;

[0026] Fig. 3 It is the discharge bin front section view schematic drawing of heavy metal contaminated soil treatment device that the utility model proposes.

[0027] LEGEND:

[0028] 1, processing jar;2, delivery pipe;3, feeding pipe;4, support one;5, motor one;6, auger one;7, feed inlet;8, hopper;9, liquid discharge hole;10, support two;11, motor two;12, auger two;13, auger bin;14, stirring vane;15, chemical liquid tank;16, spray head;17, discharge bin;18, discharge port;19, extrusion bin;20, extrusion spring;21, sliding round block;22, connecting column;23, extrusion plug. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0030] REFERENCE Figs. 1-2The utility model provides a kind of heavy metal contaminated soil treatment device of embodiment: a kind of heavy metal contaminated soil treatment device, including the treatment tank 1 that is processed to soil, the left side of treatment tank 1 is fixedly connected with conveying pipe 2, the bottom end of conveying pipe 2 is fixedly connected with the feeding pipe 3 of the soil polluted by convenient input, the top end of conveying pipe 2 is fixedly connected with the power component of providing transmission power, power component includes the support one 4 of fixed connection effect, the bottom end of support one 4 is fixedly connected in the top end of conveying pipe 2, support one 4 inside is fixedly connected with the motor one 5 of providing rotating power, the bottom end of power component is fixedly connected with auger one 6, the top end of auger one 6 is fixedly connected on the bottom end output shaft of motor one 5, motor one 5 is opened, the bottom end output shaft of motor one 5 will drive auger one 6 rotation, auger one 6 will be able to transmit the soil polluted in the inside of feeding pipe 3 to the top end of conveying pipe 2, can be crushed to soil simultaneously, the left side of treatment tank 1 is provided with feed inlet 7, feed inlet 7 can be connected together with treatment tank 1 and conveying pipe 2, so that the soil polluted enters the inside of treatment tank 1.

[0031] Refer to Figs. 1-2 , the inside of treatment tank 1 is rotatably connected with hopper 8, hopper 8 is big at top and small at bottom, so that soil can slide down along the slope of hopper 8, hopper 8 bottom is provided with drain hole 9, drain hole 9 is provided with multiple groups, annular equidistant distribution is in the bottom of hopper 8, so that spray liquid falls, the bottom end of treatment tank 1 is fixedly connected with the support two 10 of fixed connection effect, the inside of support two 10 is fixedly connected with the motor two 11 of providing rotating power, the top end output shaft of motor two 11 is fixedly connected with auger two 12, motor two 11 is opened, the top end output shaft of motor two 11 will drive auger two 12 rotation, the middle shaft outer periphery of auger two 12 is rotatably connected in the inside of treatment tank 1, auger two 12 rotation can be conveyed to the soil at bottom upwards, the inside of bottom surface of hopper 8 is fixedly connected in the middle shaft outer periphery of auger two 12, auger two 12 rotation, drive hopper 8 rotation, at the same time, hopper 8 can drive internal soil rotation simultaneously, the outer periphery of auger two 12 is rotatably connected with auger bin 13, the top end of auger bin 13 is fixedly connected on the top end inner wall of treatment tank 1, the outer periphery of auger bin 13 is fixedly connected with stirring vane 14, stirring vane 14 is provided with several groups, several groups of stirring vane 14 annular equidistant distribution is in the outer periphery of auger bin 13, the top end of treatment tank 1 is fixedly connected with the medicine water tank 15 of storing spray liquid, the bottom end of medicine water tank 15 is provided with spray head 16, spray head 16 is provided with multiple groups, annular equidistant distribution is in the bottom of medicine water tank 15, the top end of treatment tank 1 is provided with discharge assembly, and discharge assembly is used to discharge soil.

[0032] Refer to Figs. 2-3The discharging assembly comprises a discharging bin 17 fixedly connected at the top end of the treatment tank 1, a discharging port 18 fixedly connected at the right side of the discharging bin 17 for conveniently discharging the treated soil, and an extrusion bin 19 fixedly connected at the top end of the discharging bin 17, wherein the inner wall of the top end of the extrusion bin 19 is elastically connected with a sliding circular block 21 through an extrusion spring 20, the extrusion spring 20 pushes the sliding circular block 21 downward when the sliding circular block 21 is not subjected to force, one end of the extrusion spring 20 is fixedly connected with the inner wall of the top end of the extrusion bin 19, the other end of the extrusion spring 20 is fixedly connected with the top end of the sliding circular block 21, the sliding circular block 21 is slidably connected with the inside of the extrusion bin 19, the extrusion bin 19 limits the sliding circular block 21 to slide upward and downward in the inside of the extrusion bin 19, the bottom end of the sliding circular block 21 is fixedly connected with a connecting column 22 for fixed connection, the connecting column 22 penetrates and is slidably connected with the top end of the discharging bin 17, and the bottom end of the connecting column 22 is fixedly connected with an extrusion plug 23 for extruding the water in the soil, the outer periphery of the extrusion plug 23 is in contact with the top end opening of the auger bin 13.

[0033] Working principle: when the contaminated soil is to be treated, the contaminated soil is put into the inside of the feeding pipe 3, the soil falls along the inclined surface into the conveying pipe 2, at this time, the motor one 5 is started, the motor one 5 drives the auger one 6 to rotate, the auger one 6 breaks the soil once and simultaneously transmits the soil to the top end of the conveying pipe 2, from the feeding port 7 into the inside of the treatment tank 1, and falls on the hopper 8, at this time, the motor two 11 is started, the motor two 11 drives the auger two 12 to rotate, the middle shaft of the auger two 12 drives the hopper 8 to rotate, the hopper 8 drives the soil to rotate, at this time, the stirring blades 14 on the outer periphery of the auger bin 13 break the soil twice, at this time, the spraying head 16 is started, the spraying liquid is sprayed, the spraying liquid can be uniformly mixed with the soil, and the heavy metal is taken away and discharged from the liquid discharge hole 9, simultaneously, the soil is driven by the auger two 12 to move upward and is discharged from the discharging assembly, so that the soil can be continuously treated, and the treatment effect is good.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A heavy metal contaminated soil treatment device, comprising a treatment tank (1), characterized in that: A conveying pipe (2) is fixedly connected to the left side of the processing tank (1). A feeding pipe (3) is fixedly connected to the bottom end of the conveying pipe (2). A power assembly is fixedly connected to the top end of the conveying pipe (2). An auger (6) is fixedly connected to the bottom end of the power assembly. A feed inlet (7) is opened on the left side of the processing tank (1). A funnel (8) is rotatably connected inside the processing tank (1). A drain hole (9) is opened at the bottom end of the funnel (8). A bracket (10) is fixedly connected to the bottom end of the processing tank (1). The second (10) is internally fixedly connected to a second motor (11), the output shaft of the second motor (11) is fixedly connected to a second auger (12), the auger (12) is rotatably connected to an auger chamber (13), the auger chamber (13) is fixedly connected to an agitator (14), the top of the treatment tank (1) is fixedly connected to a medicine tank (15), the bottom of the medicine tank (15) is provided with a spray head (16), the top of the treatment tank (1) is provided with a discharge assembly, the discharge assembly is used to discharge soil.

2. The heavy metal contaminated soil treatment device according to claim 1, characterized in that: The discharge assembly includes a discharge bin (17), the bottom of which is fixedly connected to the top of the processing tank (1). A discharge port (18) is fixedly connected to the right side of the discharge bin (17). A compression bin (19) is fixedly connected to the top of the discharge bin (17). A sliding block (21) is elastically connected to the inner wall of the top of the compression bin (19) via a compression spring (20). A connecting column (22) is fixedly connected to the bottom of the sliding block (21). A compression plug (23) is fixedly connected to the bottom of the connecting column (22).

3. The heavy metal contaminated soil treatment device according to claim 1, characterized in that: The power assembly includes a bracket (4), the bottom of which is fixedly connected to the top of the conveying pipe (2), and a motor (5) is fixedly connected inside the bracket (4). The top of the auger (6) is fixedly connected to the bottom output shaft of the motor (5).

4. The heavy metal contaminated soil treatment device according to claim 1, characterized in that: The outer circumference of the intermediate shaft of the second auger (12) is rotatably connected to the inside of the processing tank (1), and the bottom surface of the funnel (8) is fixedly connected to the outer circumference of the intermediate shaft of the second auger (12).

5. The heavy metal contaminated soil treatment device according to claim 1, characterized in that: The top of the screw conveyor (13) is fixedly connected to the inner wall of the top of the processing tank (1).

6. The heavy metal contaminated soil treatment device according to claim 2, characterized in that: One end of the compression spring (20) is fixedly connected to the inner wall of the top of the compression chamber (19), and the other end of the compression spring (20) is fixedly connected to the top of the sliding block (21). The outer periphery of the sliding block (21) is slidably connected to the inside of the compression chamber (19).

7. The heavy metal contaminated soil treatment device according to claim 2, characterized in that: The connecting column (22) extends through the outer periphery and is slidably connected to the top of the discharge bin (17).

8. A heavy metal contaminated soil treatment device according to claim 2, characterized in that: The outer periphery of the compression plug (23) is in contact with the top opening of the screw conveyor (13).

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