A soil remediation spraying device for environmental engineering

Abstract

The present application relates to the technical field of soil remediation, and more particularly to a soil remediation spraying device for environmental engineering, comprising a soil breaking mechanism, which comprises a mounting frame, a connecting piece is fixedly connected to the front side of the mounting frame, a soil breaking rod is fixedly connected to the left side of the bottom of the mounting frame, and the soil breaking rod is provided with a plurality of soil breaking rods and is equidistantly distributed; a powder scattering mechanism, which comprises a spray head, a fixed sleeve is fixedly connected to the left side of the inner wall of the mounting frame, a water passing pipe is fixedly connected to the inside of the fixed sleeve, a water outlet ring groove is formed in the bottom of the water passing pipe, a connecting pipe is fixedly connected to the top of the water passing pipe, the bottom end of the connecting pipe penetrates to the bottom of the water passing pipe, the spray head is in communication with the connecting pipe, and a movable sleeve is movably connected to the top of the surface of the water passing pipe; the powder scattering mechanism can prevent the powder from drifting according to the size of the airflow, and the liquid outlet amount can be adjusted according to the soil hardness and the soil depth through the spraying mechanism.

Description

Technical Field

[0001] This invention relates to the technical field of soil remediation, and more particularly to a soil remediation spraying device for environmental engineering. Background Technology

[0002] With the rapid development of industrial and agricultural production and the continuous acceleration of urbanization, pollutants such as heavy metals, organophosphorus compounds, polychlorinated biphenyls, and polycyclic aromatic hydrocarbons are accumulating or bioaccumulating in the soil. Due to the obvious characteristics of soil pollution, such as its concealment, latency, and irreversibility, the environmental risks it brings are becoming increasingly serious and have led to catastrophic consequences. The treatment and remediation of polluted soil is not only related to the protection of basic farmland and the sustainable development of agriculture, but also to food hygiene and safety, and is an indispensable organic component of the public health safety guarantee system.

[0003] Soil remediation typically involves using remediation powder to treat the surface soil and remediation liquid to treat the deeper soil. However, existing spray remediation devices are susceptible to wind damage when spraying powder, causing it to disperse. Additionally, the amount of remediation liquid sprayed is usually fixed, making it unsuitable for different soil types requiring different amounts of remediation liquid. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problems existing in the current soil remediation spraying devices for environmental engineering, the present invention is proposed.

[0006] Therefore, the purpose of this invention is to provide a soil remediation spraying device for environmental engineering, which aims to prevent powder dispersion while increasing the amount of remediation solution according to the soil environment.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: including, A soil-breaking mechanism includes a mounting frame, a connector fixedly connected to the front side of the mounting frame, and a soil-breaking rod fixedly connected to the left side of the bottom of the mounting frame. Several soil-breaking rods are provided and are evenly distributed. A powder-spraying mechanism includes a nozzle, a fixed sleeve fixedly connected to the left side of the inner wall of the mounting bracket, a water pipe fixedly connected inside the fixed sleeve, a water outlet annular groove opened at the bottom of the water pipe, a connecting pipe fixedly connected to the top of the water pipe, the bottom end of the connecting pipe extending to the bottom of the water pipe, the nozzle communicating with the connecting pipe, a movable sleeve movably connected to the top of the surface of the water pipe, a water-passing component fixedly connected to the left side of the movable sleeve, and an adjustment component fixedly connected to the right side of the movable sleeve; A spraying mechanism includes a spraying rod. A connecting pipe is fixedly connected to the right side inside the mounting frame. The connecting pipe is connected to the spraying rod. Injection pipes are fixedly connected to the front and rear sides of the top of the connecting pipe. A hardness detection component is fixedly connected to the right side of the bottom of the mounting frame. Depth detection components are provided on the front and rear sides of the right side of the bottom of the mounting frame. An automatic valve is fixedly connected to the left end of the injection pipe.

[0008] As a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the water-conducting component includes a mounting frame, a squeeze button is fixedly connected to the right side of the inner wall of the mounting frame, a membrane is fixedly connected to the left side inside the mounting frame, the membrane is movably connected to the squeeze button, a solenoid valve is fixedly connected to the right side of the water-conducting pipe, and the squeeze button and the solenoid valve are electrically connected through a wire.

[0009] As a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the adjusting component includes a mounting block, a positioning groove is formed on the surface of the water pipe, a plurality of positioning grooves are formed and are evenly distributed, a mounting plate is provided on the right side of the mounting block, a positioning plate is fixedly connected to the left side of the mounting plate, the left end of the positioning plate penetrates into the interior of the movable sleeve and is inserted into the positioning groove, and a first tension spring is fixedly connected to each of the four corners on the right side of the mounting block, the right end of the tension spring is fixedly connected to the left side of the mounting plate.

[0010] As a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the hardness detection component includes a fixed box, a first pressure sensor is fixedly connected inside the fixed box, a squeezing plate is movably connected to the right side inside the fixed box, the left side of the squeezing plate is fixedly and movably connected to the first pressure sensor, a second tension spring is fixedly connected to both the front and rear sides of the left side of the squeezing plate, a traction plate is fixedly connected to the left side of the second tension spring, and a traction component is fixedly connected to the right side of the inner wall of the mounting frame.

[0011] In a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the traction component includes a movable shaft frame, a traction rod is movably connected inside the movable shaft frame, a traction rope is fixedly connected to the top right side of the traction rod, and the right end of the traction rope is fixedly connected to the left side of the traction plate.

[0012] In a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the depth detection component includes a fixed groove, a second pressure sensor is fixedly connected to the top of the inner wall of the fixed groove, a squeezing block is movably connected to the bottom of the second pressure sensor, a first spring is fixedly connected to the bottom of the squeezing block, and a lifting component is fixedly connected to the bottom of the first spring.

[0013] In a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the lifting component includes a connecting rod, and a second spring is fixedly connected to both the front and rear sides of the bottom of the mounting frame. The bottom end of the second spring is fixedly connected to the connecting rod. A guide plate is provided on the right side of the bottom of the mounting frame, and the bottom end of the connecting rod is fixedly connected to the top of the guide plate.

[0014] As a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, a traction handle is fixedly connected to the right side of the mounting plate.

[0015] As a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, a pulley group is fixedly connected to the left side of the bottom of the inner wall of the fixed box, and the pulley is movably connected to the traction rope.

[0016] In a preferred embodiment of the soil remediation spraying device for environmental engineering described in this invention, the left side of the guide plate is inclined.

[0017] The beneficial effects of this invention are: the powder spreading mechanism can prevent powder from drifting according to the airflow size, and the spraying mechanism can adjust the liquid output according to the soil hardness and soil depth. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein: Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 This is a three-dimensional schematic diagram from another perspective provided for the present invention.

[0020] Figure 3 This is an exploded three-dimensional cross-sectional view of the movable sleeve provided by the present invention.

[0021] Figure 4 This is a three-dimensional cross-sectional view of the mounting bracket provided by the present invention.

[0022] Figure 5 This is a schematic diagram of another perspective view of the three-dimensional cross-section of the mounting bracket provided by the present invention. Detailed Implementation

[0023] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0027] Example 1

[0028] Reference Figures 1-5 In the first embodiment of the present invention, a soil remediation spraying device for environmental engineering is provided, which prevents powder from drifting through the powder spreading mechanism 200.

[0029] The soil breaking mechanism 100 includes a mounting frame 101, a connector 102 is fixedly connected to the front side of the mounting frame 101, and a soil breaking rod 103 is fixedly connected to the left side of the bottom of the mounting frame 101. Several soil breaking rods 103 are provided and are evenly distributed. The powder-spraying mechanism 200 includes a nozzle 201. A fixing sleeve 202 is fixedly connected to the left side of the inner wall of the mounting bracket 101. A water pipe 203 is fixedly connected inside the fixing sleeve 202. A water outlet annular groove 204 is opened at the bottom of the water pipe 203. A connecting pipe 205 is fixedly connected to the top of the water pipe 203. The bottom end of the connecting pipe 205 extends to the bottom of the water pipe 203. The nozzle 201 is connected to the connecting pipe 205. A movable sleeve 206 is movably connected to the top of the surface of the water pipe 203. A water-passing component 207 is fixedly connected to the left side of the movable sleeve 206. An adjusting component 208 is fixedly connected to the right side of the movable sleeve 206.

[0030] The water supply assembly 207 includes a mounting frame 207a. A squeeze button 207b is fixedly connected to the right side of the inner wall of the mounting frame 207a. A membrane 207c is fixedly connected to the left side inside the mounting frame 207a. The membrane 207c is movably connected to the squeeze button 207b. A solenoid valve 207d is fixedly connected to the right side of the water supply pipe 203. The squeeze button 207b and the solenoid valve 207d are electrically connected through a wire.

[0031] The adjustment component 208 includes a mounting block 208a. The surface of the water pipe 203 is provided with positioning grooves 208b. Several positioning grooves 208b are provided and are evenly distributed. A mounting plate 208c is provided on the right side of the mounting block 208a. A positioning plate 208d is fixedly connected to the left side of the mounting plate 208c. The left end of the positioning plate 208d extends through the interior of the movable sleeve 206 and is inserted into the positioning grooves 208b. A first tension spring 208e is fixedly connected to each of the four corners on the right side of the mounting block 208a. The right end of the tension spring is fixedly connected to the left side of the mounting plate 208c.

[0032] A traction handle 209 is fixedly connected to the right side of the mounting plate 208c.

[0033] Specifically, the water-passing component 207 can spray water through the water outlet ring groove 204 to form a water curtain to prevent dust from spreading when the airflow is strong.

[0034] The orientation of the movable sleeve 206 can be adjusted by adjusting component 208, thereby enabling the mounting frame 207a to be oriented towards airflow.

[0035] The movable sleeve 206 can be easily rotated by using the traction handle 209.

[0036] Furthermore, during use, according to the airflow direction at the site, pull the traction handle 209 to move the mounting plate 208c, so that the positioning plate 208d is disengaged from the positioning groove 208b. Rotate the movable sleeve 206 to adjust the orientation of the mounting frame 207a to ensure that the membrane 207c can accurately sense the airflow. After aligning with the airflow direction, release the handle to allow the first tension spring 208e to pull the mounting plate 208c back to its original position, so that the positioning plate 208d is inserted into the corresponding positioning groove 208b and fixed.

[0037] The device is fixed to the traction equipment (such as a tractor) via the connector 102, ensuring that the mounting frame 101 is horizontal and stable, and the guide plate 305e3 is in contact with the ground without deviation. The traction equipment drives the device forward, so that the equidistant soil-breaking rods 103 on the bottom left of the mounting frame 101 are inserted into the soil, thereby breaking the surface soil.

[0038] When the airflow is strong, the airflow acts on the membrane 207c, thereby pushing the membrane 207c to squeeze the button 207b, which controls the solenoid valve 207d to open through the wire, so that water flows out through the water outlet ring groove 204 of the water pipe 203 and sprays out to form an annular water curtain, which accurately blocks the dust generated by the nozzle 201 during the powder spraying process.

[0039] Example 2

[0040] Reference Figures 1-5 In a second embodiment of the present invention, a soil remediation spraying device for environmental engineering is provided, which, through the spraying mechanism 300, increases the spraying amount according to the soil hardness and soil depth.

[0041] The spraying mechanism 300 includes a spraying rod 301. A connecting pipe 302 is fixedly connected to the right side inside the mounting frame 101. The connecting pipe 302 is connected to the spraying rod 301. An injection pipe 303 is fixedly connected to the front and rear sides of the top of the connecting pipe 302. A hardness detection component 304 is fixedly connected to the right side of the bottom of the mounting frame 101. A depth detection component 305 is provided on the front and rear sides of the right side of the bottom of the mounting frame 101. An automatic valve 306 is fixedly connected to the left end of the injection pipe 303.

[0042] The hardness testing component 304 includes a fixed housing 304a, a first pressure sensor 304b fixedly connected inside the fixed housing 304a, a compression plate 304c movably connected to the right side inside the fixed housing 304a, a compression plate 304c fixedly and movably connected to the left side of the compression plate 304c, a second tension spring 304d fixedly connected to both the front and rear sides of the left side of the compression plate 304c, a traction plate 304e fixedly connected to the left side of the second tension spring 304d, and a traction component 304f fixedly connected to the right side of the inner wall of the mounting bracket 101.

[0043] The traction component 304f includes a movable shaft frame 304f1, a traction rod 304f2 is movably connected inside the movable shaft frame 304f1, a traction rope 304f3 is fixedly connected to the top right side of the traction rod 304f2, and the right end of the traction rope 304f3 is fixedly connected to the left side of the traction plate 304e.

[0044] The depth detection component 305 includes a fixing groove 305a, a second pressure sensor 305b is fixedly connected to the top of the inner wall of the fixing groove 305a, a squeezing block 305c is movably connected to the bottom of the second pressure sensor 305b, a first spring 305d is fixedly connected to the bottom of the squeezing block 305c, and a lifting component 305e is fixedly connected to the bottom of the first spring 305d.

[0045] The lifting component 305e includes a connecting rod 305e1. A second spring 305e2 is fixedly connected to both the front and rear sides of the bottom of the mounting bracket 101. The bottom end of the second spring 305e2 is fixedly connected to the connecting rod 305e1. A guide plate 305e3 is provided on the right side of the bottom of the mounting bracket 101. The bottom end of the connecting rod 305e1 is fixedly connected to the top of the guide plate 305e3.

[0046] A pulley block 307 is fixedly connected to the bottom left side of the inner wall of the fixed box 304a, and the pulley is movably connected to the traction rope 304f3.

[0047] The left side of the guide plate 305e3 is set at an angle.

[0048] Specifically, the hardness detection component 304 can adjust the amount of remediation solution sprayed based on soil hardness.

[0049] The depth detection component 305 can increase the amount of remediation liquid sprayed based on the depth to which the spraying rod 301 is inserted into the soil.

[0050] The pulley block 307 can prevent the traction rope 304f3 from contacting the inner wall of the fixed box 304a.

[0051] Furthermore, during the soil breaking operation, the soil compresses the traction rod 304f2 inside the movable shaft frame 304f1, causing the traction rod 304f2 to rotate and tilt. This allows the traction rod 304f2 to pull the traction plate 304e via the traction rope 304f3. The traction plate 304e then drives the compression plate 304c to compress the first pressure sensor 304b via the second tension spring 304d. If the pressure value is higher than the preset threshold (the soil is too hard), the opening range of the automatic valve 306 is increased, increasing the amount of liquid remediation agent sprayed and improving the remediation effect. If the pressure value is too low (the soil is too soft), the spraying amount is reduced to avoid waste.

[0052] Simultaneously, the spraying rod 301 is inserted into the soil. At this time, the guide plate 305e3 will be located on the soil surface. As the spraying rod 301 penetrates deeper into the soil, the corresponding soil will squeeze the guide plate 305e3, causing the guide plate 305e3 to squeeze the connecting rod 305e1. This allows the connecting rod 305e1 to push the first spring 305d, which in turn drives the squeezing block 305c to squeeze the second pressure sensor 305b. The second pressure sensor 305b monitors pressure changes (the greater the pressure, the deeper the insertion). The equipment automatically adjusts the automatic valve 306 based on the pressure data. The deeper the insertion, the more remedial liquid is sprayed, ensuring that the deep soil receives sufficient remedial agent.

[0053] It should be noted that the first pressure sensor 304b and the second pressure sensor 305b control different automatic valves respectively.

[0054] The remaining structure is the same as that in Example 1.

[0055] Example 3

[0056] Reference Figures 1-5 This is the third embodiment of the present invention, which differs from the second embodiment in that it is a soil remediation spraying device for environmental engineering.

[0057] During use, according to the airflow direction, pull the traction handle 209 to move the mounting plate 208c, so that the positioning plate 208d is disengaged from the positioning groove 208b. Rotate the movable sleeve 206 to adjust the orientation of the mounting frame 207a to ensure that the membrane 207c can accurately sense the airflow. After aligning with the airflow direction, release the handle to allow the first tension spring 208e to pull the mounting plate 208c back to its original position, so that the positioning plate 208d is inserted into the corresponding positioning groove 208b and fixed.

[0058] The device is fixed to the traction equipment (such as a tractor) via the connector 102, ensuring that the mounting frame 101 is horizontal and stable, and the guide plate 305e3 is in contact with the ground without deviation. The traction equipment drives the device forward, so that the equidistant soil-breaking rods 103 on the bottom left of the mounting frame 101 are inserted into the soil, thereby breaking the surface soil.

[0059] When the airflow is strong, the airflow acts on the membrane 207c, thereby pushing the membrane 207c to squeeze the button 207b, which controls the solenoid valve 207d to open through the wire, so that water flows out through the water outlet ring groove 204 of the water pipe 203 and sprays out to form an annular water curtain, which accurately blocks the dust generated by the nozzle 201 during the powder spraying process.

[0060] During the soil breaking operation, the soil compresses the traction rod 304f2 inside the movable shaft frame 304f1, causing the traction rod 304f2 to rotate and tilt. This allows the traction rod 304f2 to pull the traction plate 304e via the traction rope 304f3. The traction plate 304e then drives the compression plate 304c to compress the first pressure sensor 304b via the second tension spring 304d. If the pressure value is higher than the preset threshold (the soil is too hard), the opening range of the automatic valve 306 is increased, increasing the amount of liquid remediation agent sprayed and improving the remediation effect. If the pressure value is too low (the soil is too soft), the spraying amount is reduced to avoid waste.

[0061] Simultaneously, the spraying rod 301 is inserted into the soil. At this time, the guide plate 305e3 will be located on the soil surface. As the spraying rod 301 penetrates deeper into the soil, the corresponding soil will squeeze the guide plate 305e3, causing the guide plate 305e3 to squeeze the connecting rod 305e1. This allows the connecting rod 305e1 to push the first spring 305d, which in turn drives the squeezing block 305c to squeeze the second pressure sensor 305b. The second pressure sensor 305b monitors pressure changes (the greater the pressure, the deeper the insertion). The equipment automatically adjusts the automatic valve 306 based on the pressure data. The deeper the insertion, the more remedial liquid is sprayed, ensuring that the deep soil receives sufficient remedial agent.

[0062] In summary, the powder spreading mechanism 200 can prevent powder from drifting according to the airflow size, while the spraying mechanism 300 can adjust the liquid output according to soil hardness and soil depth.

[0063] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible without substantially departing from the novelty and advantages of the subject matter described in this application. For example, variations in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​such as temperature, pressure, etc., installation arrangements, use of materials, color, orientation, etc. For instance, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise changed, and the nature or number or position of discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure performing the function described herein, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims. Furthermore, for the purpose of providing a concise description of exemplary embodiments, not all features of the actual embodiments may be omitted, i.e., those features not relevant to the currently considered best mode for carrying out the invention, or those features not relevant to implementing the invention.

[0064] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A soil remediation spraying device for environmental engineering, characterized in that: include, The soil breaking mechanism (100) includes a mounting frame (101), a connector (102) is fixedly connected to the front side of the mounting frame (101), and a soil breaking rod (103) is fixedly connected to the left side of the bottom of the mounting frame (101). The soil breaking rod (103) is provided in a plurality of them and is distributed at equal intervals. A powder-spraying mechanism (200) includes a nozzle (201), a fixed sleeve (202) fixedly connected to the left side of the inner wall of the mounting bracket (101), a water pipe (203) fixedly connected inside the fixed sleeve (202), a water outlet annular groove (204) opened at the bottom of the water pipe (203), a connecting pipe (205) fixedly connected to the top of the water pipe (203), the bottom end of the connecting pipe (205) extending to the bottom of the water pipe (203), the nozzle (201) communicating with the connecting pipe (205), a movable sleeve (206) movably connected to the top surface of the water pipe (203), a water-passing component (207) fixedly connected to the left side of the movable sleeve (206), and an adjusting component (208) fixedly connected to the right side of the movable sleeve (206); and, The spraying mechanism (300) includes a spraying rod (301). A connecting pipe (302) is fixedly connected to the right side inside the mounting frame (101). The connecting pipe (302) is connected to the spraying rod (301). An injection pipe (303) is fixedly connected to the front and rear sides of the top of the connecting pipe (302). A hardness detection component (304) is fixedly connected to the right side of the bottom of the mounting frame (101). A depth detection component (305) is opened on the front and rear sides of the right side of the bottom of the mounting frame (101). An automatic valve (306) is fixedly connected to the left end of the injection pipe (303).

2. The soil remediation spraying device for environmental engineering according to claim 1, characterized in that: The water supply assembly (207) includes a mounting frame (207a), a squeeze button (207b) is fixedly connected to the right side of the inner wall of the mounting frame (207a), a membrane (207c) is fixedly connected to the left side inside the mounting frame (207a), the membrane (207c) is movably connected to the squeeze button (207b), and a solenoid valve (207d) is fixedly connected to the right side of the water supply pipe (203). The squeeze button (207b) and the solenoid valve (207d) are electrically connected through a wire.

3. The soil remediation spraying device for environmental engineering according to claim 2, characterized in that: The adjustment component (208) includes a mounting block (208a). The surface of the water pipe (203) is provided with a positioning groove (208b). Several positioning grooves (208b) are provided and are evenly distributed. A mounting plate (208c) is provided on the right side of the mounting block (208a). A positioning plate (208d) is fixedly connected to the left side of the mounting plate (208c). The left end of the positioning plate (208d) extends through the interior of the movable sleeve (206) and is inserted into the positioning groove (208b). A first tension spring (208e) is fixedly connected to each of the four corners on the right side of the mounting block (208a). The right end of the tension spring is fixedly connected to the left side of the mounting plate (208c).

4. The soil remediation spraying device for environmental engineering according to claim 3, characterized in that: The hardness testing component (304) includes a fixed box (304a), a first pressure sensor (304b) is fixedly connected inside the fixed box (304a), a compression plate (304c) is movably connected to the right side inside the fixed box (304a), the left side of the compression plate (304c) is fixedly and movably connected to the first pressure sensor (304b), a second tension spring (304d) is fixedly connected to both the front and rear sides of the left side of the compression plate (304c), a traction plate (304e) is fixedly connected to the left side of the second tension spring (304d), and a traction component (304f) is fixedly connected to the right side of the inner wall of the mounting bracket (101).

5. The soil remediation spraying device for environmental engineering according to claim 4, characterized in that: The traction component (304f) includes a movable shaft frame (304f1), and a traction rod (304f2) is movably connected inside the movable shaft frame (304f1). A traction rope (304f3) is fixedly connected to the top right side of the traction rod (304f2), and the right end of the traction rope (304f3) is fixedly connected to the left side of the traction plate (304e).

6. The soil remediation spraying device for environmental engineering according to claim 5, characterized in that: The depth detection component (305) includes a fixing groove (305a), a second pressure sensor (305b) is fixedly connected to the top of the inner wall of the fixing groove (305a), a squeezing block (305c) is movably connected to the bottom of the second pressure sensor (305b), a first spring (305d) is fixedly connected to the bottom of the squeezing block (305c), and a lifting component (305e) is fixedly connected to the bottom of the first spring (305d).

7. The soil remediation spraying device for environmental engineering according to claim 6, characterized in that: The lifting component (305e) includes a connecting rod (305e1). A second spring (305e2) is fixedly connected to the front and rear sides of the bottom of the mounting bracket (101). The bottom end of the second spring (305e2) is fixedly connected to the connecting rod (305e1). A guide plate (305e3) is provided on the right side of the bottom of the mounting bracket (101). The bottom end of the connecting rod (305e1) is fixedly connected to the top of the guide plate (305e3).

8. The soil remediation spraying device for environmental engineering according to claim 7, characterized in that: A traction handle (209) is fixedly connected to the right side of the mounting plate (208c).

9. The soil remediation spraying device for environmental engineering according to claim 8, characterized in that: A pulley block (307) is fixedly connected to the left side of the bottom of the inner wall of the fixed box (304a), and the pulley is movably connected to the traction rope (304f3).

10. The soil remediation spraying device for environmental engineering according to claim 9, characterized in that: The left side of the guide plate (305e3) is inclined.

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