CN220497318U - An in-situ passivation repair device for heavy metal contaminated soil - Google Patents

Abstract

The utility model discloses an in-situ passivation repairing device for heavy metal contaminated soil, which comprises a vehicle body, a medicament box, a medicament outlet pipe and a spray head, wherein the medicament box is arranged on the vehicle body; the lower end of the vehicle body is provided with a shovel plate, a plough and a rotary tillage roller in sequence from front to back; the bottom of the vehicle body is provided with a front wheel and a rear wheel; the two rear wheels are fixedly arranged at two ends of the driven rotating shaft; the rotary tillage roller is fixedly arranged on the driven rotating shaft; the medicine outlet pipe is positioned between the plough and the rotary tillage roller. The utility model has the advantages that: continuous operation of ploughing, ploughing again, passivating agent spraying, rotary tillage and uniformly mixing can be realized, replacement of the device is not needed, labor force is saved, and working efficiency is high.

Description

An in-situ passivation repair device for heavy metal contaminated soil

Technical field

The utility model belongs to the technical field of soil repair devices, and specifically relates to an in-situ passivation repair device for soil contaminated by heavy metals.

Background technique

With the continuous development of urbanization and industrialization in my country, urban sludge and waste have entered the agricultural ecosystem, and the situation of heavy metal pollution in soil has become increasingly severe. Chemical passivation remediation is the application of various passivating agents to contaminated soil, using mechanisms such as adsorption, precipitation, redox, and complexation to change the form and activity of pollutants, converting them into inactive components that are difficult for plants to absorb. to achieve repair and utilization technology.

When carrying out in-situ passivation remediation of contaminated soil, it is necessary to spray the passivating agent while plowing the soil, so that the passivating agent is mixed with the soil tillage layer, and then further rotary tillage is carried out to fully mix the passivating agent with the farmland soil. Evenly, and finally the soil is leveled, so as to achieve the best treatment and restoration effect and facilitate subsequent farming. However, when currently performing in-situ remediation of contaminated farmland, the above operations require different instruments to be performed step by step, which takes a long time and results in a waste of labor.

Utility model content

In order to solve the above technical problems, the utility model designs an in-situ passivation repair device for heavy metal contaminated soil, which can realize continuous operations of plowing, re-ploughing, passivant spraying, rotary tilling and mixing without the need to replace the device. Save labor and have high work efficiency.

In order to achieve the above technical objectives, the present utility model is realized through the following technical solutions: an in-situ passivation repair device for heavy metal contaminated soil, including a vehicle body, a medicine box, a medicine discharge pipe and a nozzle; the lower end of the vehicle body extends from the front to The shovel plate, plow and rotary tillage roller are installed in sequence at the rear; the front wheel and the rear wheel are installed at the bottom of the vehicle body; the two rear wheels are fixedly installed at both ends of the driven shaft; the rotary tillage roller is fixedly installed on the driven shaft ;The discharge pipe is located between the plow and the rotary tillage roller.

Further, the medicine discharge pipe is in a "U" shape, and the two ends of the medicine discharge pipe are connected to the left and right ends of the medicine box respectively; a plurality of nozzles are installed on the medicine discharge pipe.

Further, a driving shaft is installed to rotate in the medicine box; a stirrer is installed on the driving shaft; the stirrer is in the shape of a disk, and has several notches at intervals on its outer edge.

Further, a medicine discharge box connected to the medicine discharge pipe is provided inside the medicine box.

Further, the medicine box includes a box body and a box cover; two partitions are provided in the box; the active rotating shaft penetrates the partitions; the active rotating shaft located between the two partitions and the A transmission assembly for driving the driven shaft to rotate is installed between the driven shafts.

Further, the transmission assembly includes a driving sprocket installed on the driving rotating shaft, a driven sprocket installed on the driven rotating shaft, and a transmission chain connecting the driving sprocket and the driven sprocket.

Further, the transmission assembly also includes a protective shell covering the outside of the driving sprocket, the driven sprocket and the transmission chain; the protective shell is fixed on the medicine box.

Further, a soil covering shovel is fixedly connected to the lower end of the vehicle body; the soil covering shovel is located behind the plow.

Further, a handle is fixed on one end of the vehicle body close to the plow.

Further, one end of the driving shaft is fixedly connected to the motor fixed on the outer wall of the medicine tank.

Further, the discharge tube is fitted to the back of the plow.

The beneficial effects of this utility model are:

In this application, the shovel plate, plow, and rotary tillage roller are installed at the lower end of the vehicle body in sequence, and a chemical box is installed on the vehicle body, which can realize continuous operations of plowing, re-ploughing, passivating agent spraying, and rotary tillage mixing without the need for Replacement of devices saves labor and improves work efficiency. In this application, by installing the rotary tillage roller on the driven shaft of the rear wheel, the synchronous rotation of the rotary tillage roller and the rear wheel can be realized when the vehicle body moves.

Description of the drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic three-dimensional structural diagram of the embodiment;

Figure 2 is a partial structural front view of the embodiment;

Figure 3 is a schematic diagram of the internal structure of the medicine box in the embodiment;

Figure 4 is a side view of the stirrer of Figure 3.

In the drawings, the structure names represented by each symbol are:

1-Car body, 2-Medicine box, 201-Box body, 202-Box cover, 203-Partition board, 204-Medicine discharge box, 205-Medicine discharge pipe, 206-Nozzle, 207-Active rotating shaft, 208-Agitator , 2081-notch; 209-motor, 3-blade, 4-plow, 5-rotary roller, 6-soil covering shovel, 7-front wheel, 8-rear wheel, 9-transmission assembly, 901-driving sprocket , 902-drive chain, 903-driven sprocket, 904-protective shell, 10-handle, 11-driven shaft.

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

Referring to Figure 1-4, a device for in-situ passivation repair of heavy metal-contaminated soil includes a vehicle body 1, a chemical tank 2, a chemical discharge pipe 205 and a nozzle 206; the lower end of the vehicle body 1 is equipped with shovel plates in sequence from front to back. 3. Plow 4 and rotary tillage roller 5; the front wheel 7 and the rear wheel 8 are installed at the bottom of the vehicle body 1; the two rear wheels 8 are fixedly installed at both ends of the driven shaft 11; the rotary tillage roller 5 is fixedly installed on the driven shaft 11. On the rotating shaft 11; the discharge tube 205 is located between the plow 4 and the rotary tillage roller 5.

The above-mentioned in-situ passivation repair device for heavy metal contaminated soil installs the shovel plate 3, the plow 4, and the rotary tillage roller 5 in sequence on the lower end of the vehicle body 1, and installs a chemical tank 2 on the vehicle body 1, which can realize plowing and re-ploughing. Plowing, passivant spraying, rotary tilling and mixing are carried out continuously without the need to replace the device, saving labor and high work efficiency. By installing the rotary tillage roller 5 on the driven shaft 11 of the rear wheel 8, when the vehicle body 1 moves, the rotary tillage roller 5 and the rear wheel 8 can rotate synchronously.

Specifically, in order to spray the medicine more evenly in the transverse direction, the medicine discharge pipe 205 is in a "U" shape, and the two ends of the medicine discharge pipe 205 are connected with the left and right ends of the medicine box 2 respectively; several medicine discharge pipes 205 are installed on it. Nozzle 206.

Specifically, a driving shaft 207 is rotatably installed in the medicine box 2; a stirrer 208 is installed on the driving shaft 207; the stirrer 208 is disk-shaped, and has several notches 2081 spaced at intervals on its outer edge. The rotation of the stirrer 208 can break up the agglomerates in the passivation agent, and at the same time play a stirring role, so that the water and the passivation agent are mixed more evenly.

Specifically, a medicine discharge box 204 connected with a medicine discharge tube 205 is provided inside the medicine box 2 . The function of the medicine outlet box 204 is to raise the height of the liquid outlet to ensure that the medicine liquid flowing out is the mixed medicine liquid located above.

Specifically, the medicine box 2 includes a box body 201 and a box cover 202; two partitions 203 are provided in the box 201; the driving shaft 207 penetrates the partitions 203; the driving shaft 207 and the driven shaft are located between the two partitions 203. A transmission assembly 9 for driving the driven shaft 11 to rotate is installed between the rotating shafts 11 . The rotation of the driving shaft 207 can be transmitted to the driven shaft through the transmission assembly 9 .

Specifically, the transmission assembly 9 includes a driving sprocket 901 installed on the driving shaft 207 , a driven sprocket 903 installed on the driven shaft 11 , and a transmission chain 902 connecting the driving sprocket 901 and the driven sprocket 903 .

Specifically, the transmission assembly 9 also includes a protective shell 904 covering the outside of the driving sprocket 901 , the driven sprocket 903 and the transmission chain 902 ; the protective shell 904 is fixed on the medicine box 2 .

Specifically, a soil covering shovel 6 is fixedly connected to the lower end of the vehicle body 1; the soil covering shovel 6 is located behind the plow 4. The soil covering shovel 6 performs soil covering and leveling after rotary tillage.

Specifically, in order to conveniently control the moving direction of the vehicle body 1, a handle 10 is fixedly connected to one end of the vehicle body 1 close to the plow 4.

Specifically, one end of the driving shaft 207 is fixedly connected to the motor 209 fixed on the outer wall of the medicine box 2 . The motor 209 is used to drive the active rotating shaft 207 to rotate, which can reduce labor intensity compared to a manual cart.

Specifically, the chemical discharge pipe 205 is attached to the back of the plow 4, and the outflowing chemical liquid flows along the back of the plow 4, which can reduce the impact of wind on the spraying position.

The working principle of this utility model:

During operation, the prepared medical solution is injected into the chemical box 2 and the device is moved to an appropriate position. Turn on the motor 209, the motor 209 drives the driving shaft 207 to rotate, and the driving shaft 207 drives the mixer 208 and the driving sprocket 901 to rotate. The stirrer 208 can break up the agglomerates in the passivation agent and at the same time play a stirring role, so that the water and the passivation agent are mixed more evenly. The driving sprocket 901 drives the driven sprocket 903 to rotate through the transmission chain 902, and the driven sprocket 903 drives the driven shaft 11 to rotate, thereby driving the rear wheel 8 to rotate, thereby driving the vehicle body 1 to move forward. In this application, the shovel plate 3, the plow 4, and the rotary tillage roller 5 are installed on the lower end of the vehicle body 1 in sequence, and a chemical tank 2 is installed on the vehicle body 1, which can realize plowing, plowing again, spraying of passivating agent, and rotary plowing. The mixing operation is continuous without the need to replace the device, which saves labor and has high work efficiency. By installing the rotary tillage roller 5 on the driven shaft 11 of the rear wheel 8, when the vehicle body 1 moves, the rotary tillage roller 5 and the rear wheel 8 can rotate synchronously.

If the motor 209 is not installed, the vehicle body 1 can also be pushed forward manually to drive the rear wheels 8 to rotate. The rear wheels 8 drive the driven rotating shaft 903 to rotate. The driven rotating shaft 903 drives the active rotating shaft 207 to rotate through the transmission assembly 9, and the active rotating shaft 207 drives the stirring. The device 208 rotates to stir the liquid medicine.

The embodiments of the present utility model are described in detail above with reference to the accompanying drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principles and spirit of the present invention, and they still fall within the protection scope of the present invention.

Claims (10)

1. A device for in-situ passivation repair of heavy metal contaminated soil, including a vehicle body (1), a medicine box (2), a medicine discharge pipe (205) and a nozzle (206); characterized in that the vehicle body (1) The lower end of the vehicle body (1) is equipped with a shovel plate (3), a plow (4) and a rotary tiller roller (5) in sequence from front to back; the bottom of the vehicle body (1) is equipped with a front wheel (7) and a rear wheel (8); two The rear wheels (8) are fixedly installed on both ends of the driven rotating shaft (11); the rotary tillage roller (5) is fixedly installed on the driven rotating shaft (11); the discharge pipe (205) is located between the plow (4) and the rotary tillage between rollers (5). 2. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 1, characterized in that: the drug discharge tube (205) is in a "U" shape, and the two ends of the drug discharge tube (205) are respectively connected with The left and right ends of the medicine box (2) are connected; several nozzles (206) are installed on the medicine discharge pipe (205). 3. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 2, characterized in that: an active rotating shaft (207) is installed in the medicine box (2); and a stirrer is installed on the active rotating shaft (207). (208); the stirrer (208) is in the shape of a disk, and its outer edge is provided with several notches (2081) at intervals. 4. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 3, characterized in that: a medicine discharge box (204) connected to the medicine discharge pipe (205) is provided inside the medicine box (2). . 5. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 4, characterized in that: the chemical box (2) includes a box body (201) and a box cover (202); the box body (201) There are two partitions (203) inside; the driving shaft (207) penetrates the partitions (203); the driving shaft (207) located between the two partitions (203) and the driven shaft A transmission assembly (9) for driving the driven shaft (11) to rotate is installed between the rotating shafts (11). 6. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 5, characterized in that: the transmission assembly (9) includes a driving sprocket (901) installed on the driving shaft (207), The driven sprocket (903) on the driven rotating shaft (11), and the transmission chain (902) connecting the driving sprocket (901) and the driven sprocket (903). 7. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 6, characterized in that: the transmission assembly (9) further includes a cover provided on the driving sprocket (901) and the driven sprocket (903). ) and a protective shell (904) outside the transmission chain (902); the protective shell (904) is fixed on the medicine box (2). 8. The device for in-situ passivation repair of heavy metal contaminated soil according to claim 7, characterized in that: a soil covering shovel (6) is fixedly connected to the lower end of the vehicle body (1); the soil covering shovel (6) is located at Behind the plow (4); a handle (10) is fixedly connected to one end of the vehicle body (1) close to the plow (4). 9. The in-situ passivation repair device for heavy metal contaminated soil according to any one of claims 3-8, characterized in that: one end of the active rotating shaft (207) is connected to a motor (2) fixed on the outer wall of the chemical tank (2). 209) Fixed connection. 10. The device for in-situ passivation repair of heavy metal-contaminated soil according to claim 1, characterized in that: the discharge pipe (205) is attached to the back of the plow (4).