Organic pollutant soil remediation pretreatment device

Abstract

The utility model relates to the technical field of soil remediation pretreatment devices, in particular to an organic pollutant soil remediation pretreatment device which comprises a smashing box and a motor, one side of the smashing box is fixedly connected with the motor, the tail end of a main shaft of the motor is fixedly connected with a rotating roller, the outer side of the rotating roller is fixedly connected with a spiral blade, and the inner side of the spiral blade is provided with an annular channel. A lower shell is fixedly connected to the bottom end of the smashing box, a discharging hole is formed in the upper end of the lower shell, a gas conveying assembly is fixedly connected to the inner side of the lower shell, an automatic roller is arranged on the inner side of the lower shell, and a conveying belt is arranged on the outer side of the automatic roller. According to the device, waste gas generated during soil remediation can be collected, heat of the waste gas is used for preheating soil to be remediated, the temperature of the soil to be remediated is increased, the energy-saving effect is achieved, and waste of the heat is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of soil remediation pretreatment devices, in particular to an organic pollutant soil remediation pretreatment device. Background Art

[0002] When repairing the soil, it is necessary to use a heating plate to effectively decompose the organic matter in the soil. After the organic matter is decomposed, the soil exhales a variety of gases to provide a suitable external environment for in-situ microorganisms to repair the soil.

[0003] The existing device directly discharges the waste gas generated after soil remediation into the gas treatment tube for treatment. The discharged waste gas has a certain amount of heat. If it is directly treated, it will cause a certain amount of heat waste. Therefore, in order to solve the above problem, an organic pollutant soil remediation pretreatment device is proposed. Utility Model Content

[0004] The utility model aims to provide a soil remediation pretreatment device for organic pollutants, so as to solve the problem that the waste gas generated after soil remediation in the existing device is directly discharged into the gas treatment cylinder for treatment, and the discharged waste gas has a certain amount of heat, which will cause a certain amount of heat waste if directly treated.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A soil remediation pretreatment device for organic pollutants comprises a crushing box and a motor, one side of the crushing box is fixedly connected to the motor, the end of the motor main shaft is fixedly connected to a rotating stick, the outer side of the rotating stick is fixedly connected to a spiral blade, the inner side of the spiral blade is provided with an annular channel, the outer side of the rotating stick is fixedly connected to a heating rod, the inner side of the heating rod is provided with a column groove, the bottom end of the crushing box is fixedly connected to a lower shell body, the upper end of the lower shell body is provided with a material discharge hole, the inner side of the lower shell body is fixedly connected to a gas conveying component, the inner side of the lower shell body is provided with an automatic roller, the outer side of the automatic roller is provided with a conveyor belt, the inner side of the conveyor belt is provided with an air intake port, the inner side of the air intake port is fixedly connected with a filter plate, the inner side of the lower shell body is fixedly connected to an air collecting box, the upper end of the air collecting box is provided with an air collecting port, one side of the lower shell body is fixedly connected to an exhaust fan, one side of the exhaust fan is fixedly connected to an air supply pipe, the outer side of the air supply pipe is fixedly connected to an exhaust gas treatment box, and the inner side of the crushing box is fixedly connected to a heating spiral wire.

[0007] As a further optimization of the present invention, a cylindrical groove is provided on the inner side of the crushing box, a lower hopper is fixedly connected to the upper end of the crushing box, and the inner side of the lower hopper is connected to the cylindrical groove on the inner side of the crushing box.

[0008] As a further optimization of the present invention, the rotating stick is in the shape of a cylinder, the outer sides of the two ends of the rotating stick are rotatably connected to the inner side of the crushing box, the left end of the rotating stick protrudes from the inside of the exhaust gas treatment box, and the outer side of the spiral blade is installed on the inner side of the crushing box.

[0009] As a further optimization of the present invention, one end of the rotating rod is rotatably connected to the outer side of one end of the air supply pipe, the inner side of the air supply pipe is hollow, the inner side of the air supply pipe is connected to the annular channel, one end of the annular channel is connected to the inside of the exhaust gas treatment box, the annular channel is connected to the inner side of the column groove, the heating rod is between the spiral leaves, and the number of the heating rods is several.

[0010] As a further optimization of the present invention, a feed opening is provided at the lower left end of the crushing box, the feed opening of the crushing box has the same diameter as the feed hole, the feed opening of the crushing box is connected with the feed hole, the inner side of the lower shell is hollow, and the feed hole is connected with the inner side of the lower shell.

[0011] As further optimized content of the present invention, the number of the gas conveying components is several, the gas conveying components and the conveying belt are in the same vertical line, the number of the automatic rollers is two, the conveying belt is sleeved on the outside of the automatic rollers, one side of the automatic rollers is fixedly connected to a driving device, and the driving device of the automatic rollers is fixedly connected to one side of the lower shell.

[0012] As further optimization content of the present utility model, the air collecting box is installed on the inner side of the conveyor belt, the inner side of the air collecting box is hollow, the air collecting port is connected with the inner side of the air collecting box, a through hole is provided at the front end of the air collecting box, the air inlet of the exhaust fan is installed inside the through hole at the front end of the air collecting box, and the air outlet of the exhaust fan is connected with the inner side of the air supply pipe.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by means of the rotating roller, spiral blades, heating rod, lower shell, automatic roller, conveyor belt, filter plate, air collecting box, exhaust fan and air supply pipe, when repairing the soil, the soil is placed in the crushing box and the spiral blades are driven by a motor to crush the soil, and the soil is heated at the same time to effectively decompose the organic matter in the soil, and the crushed and heated soil is transported to the upper part of the conveyor belt, and a suitable external environment is provided for in-situ microbial soil repair through the gas transport component, and the generated waste gas is sucked away by the exhaust fan and transported to the inside of the rotating roller to preheat the pre-repaired soil. The device can collect the waste gas generated during soil repair, and use the heat of the waste gas to preheat the pre-repaired soil, thereby increasing the temperature of the pre-repaired soil to achieve energy-saving effects and avoid heat waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the motor structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the crushing box of the utility model;

[0018] Figure 4 This is a schematic diagram of the lower shell structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the rotating stick of the utility model;

[0020] Figure 6 This is a schematic diagram of the heating rod structure of the utility model;

[0021] Figure 7 This is a schematic diagram of the transmission belt structure of the utility model.

[0022] In the figure: 1. crushing box; 2. motor; 3. rotating roller; 4. spiral blade; 5. annular channel; 6. heating rod; 7. column groove; 8. lower shell; 9. discharge hole; 10. gas conveying component; 11. automatic roller; 12. conveyor belt; 13. air intake port; 14. filter plate; 15. air collecting box; 16. air collecting port; 17. exhaust fan; 18. air supply pipe; 19. exhaust gas treatment box; 20. discharge hopper; 21. heating spiral wire. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] See also Figure 1-7 , the utility model provides a technical solution:

[0026] A soil remediation pretreatment device for organic pollutants comprises a crushing box 1 and a motor 2, wherein the crushing box 1 is fixedly connected to the motor 2 on one side, a rotating stick 3 is fixedly connected to the end of the main shaft of the motor 2, a spiral blade 4 is fixedly connected to the outer side of the rotating stick 3, an annular channel 5 is provided inside the spiral blade 4, a heating rod 6 is fixedly connected to the outer side of the rotating stick 3, a column groove 7 is provided inside the heating rod 6, a lower shell 8 is fixedly connected to the bottom end of the crushing box 1, a material discharge hole 9 is provided at the upper end of the lower shell 8, a gas conveying component 10 is fixedly connected to the inner side of the lower shell 8, and a gas conveying component 10 is provided inside the lower shell 8. An automatic roller 11 is arranged on the side, a conveyor belt 12 is arranged on the outer side of the automatic roller 11, an air intake port 13 is opened on the inner side of the conveyor belt 12, a filter plate 14 is fixedly connected to the inner side of the air intake port 13, an air collecting box 15 is fixedly connected to the inner side of the lower shell 8, an air collecting port 16 is opened on the upper end of the air collecting box 15, an exhaust fan 17 is fixedly connected to one side of the lower shell 8, an air supply pipe 18 is fixedly connected to one side of the exhaust fan 17, an exhaust gas treatment box 19 is fixedly connected to the outer side of the air supply pipe 18, and a heating spiral wire 21 is fixedly connected to the inner side of the crushing box 1.

[0027] As a further implementation of the present scheme, a cylindrical groove is provided inside the crushing box 1, and a lower hopper 20 is fixedly connected to the upper end of the crushing box 1. The inner side of the lower hopper 20 is connected to the cylindrical groove inside the crushing box 1, and the pre-treated soil can be transported to the right end of the crushing box 1 through the lower hopper 20;

[0028] As a further implementation of this solution, the rotating stick 3 is cylindrical in shape, and the outer sides of both ends of the rotating stick 3 are rotatably connected to the inner side of the crushing box 1, and the left end of the rotating stick 3 protrudes from the inside of the exhaust gas treatment box 19. The outer side of the spiral blade 4 is installed on the inner side of the crushing box 1, which facilitates the rotational connection of one end of the rotating stick 3 with the outer side of the air supply pipe 18, and at the same time facilitates the exhaust gas inside the rotating stick 3 to enter the exhaust gas treatment box 19 of the existing device for treatment;

[0029] As a further implementation of the present invention, one end of the rotating rod 3 is rotatably connected to the outer side of one end of the air supply pipe 18, the inner side of the air supply pipe 18 is hollow, the inner side of the air supply pipe 18 is connected to the annular channel 5, one end of the annular channel 5 is connected to the inside of the exhaust gas treatment box 19, the annular channel 5 is connected to the inner side of the column groove 7, the heating rod 6 is between the spiral leaves 4, and the number of the heating rods 6 is several, which can increase the contact area with the soil and improve the preheating speed;

[0030] As a further implementation of this solution, a discharge port is provided at the lower left end of the crushing box 1. The discharge port of the crushing box 1 has the same diameter as the discharge hole 9. The discharge port of the crushing box 1 is connected to the discharge hole 9. The inner side of the lower shell 8 is hollow. The discharge hole 9 is connected to the inner side of the lower shell 8. Under the transportation of the spiral blade 4, it is convenient to drop the soil from the discharge hole 9 to the upper part of the conveyor belt 12.

[0031] As a further implementation of the present invention, the number of gas conveying assemblies 10 is several, the gas conveying assemblies 10 and the conveyor belt 12 are on the same vertical line, the number of automatic rollers 11 is two, the conveyor belt 12 is sleeved outside the automatic roller 11, one side of the automatic roller 11 is fixedly connected with a driving device, and the driving device of the automatic roller 11 is fixedly connected to one side of the lower shell 8, so that the automatic roller 11 can drive the conveyor belt 12 to rotate, and at the same time, it is convenient to transport the soil;

[0032] As a further implementation scheme of the present scheme, an air collecting box 15 is installed on the inner side of the conveyor belt 12. The inner side of the air collecting box 15 is hollow. The air collecting port 16 is connected to the inner side of the air collecting box 15. A through hole is provided at the front end of the air collecting box 15. The air inlet of the exhaust fan 17 is installed inside the through hole at the front end of the air collecting box 15. The air outlet of the exhaust fan 17 is connected to the inner side of the air supply pipe 18, thereby collecting the heat of the exhaust gas.

[0033] Working process: when the device is in use, the external power supply is energized. When the soil needs to be repaired, the soil is put into the crushing box 1 through the discharge hopper 20, and the motor 2 is started. The main shaft of the motor 2 rotates to drive the rotating stick 3 fixedly connected to the end of the main shaft to rotate. The rotating stick 3 is connected to the inner side of the crushing box 1 to stabilize the rotation of the rotating stick 3. The rotation of the rotating stick 3 drives the spiral blade 4 to rotate. The spiral blade 4 crushes the soil inside the crushing box 1. At the same time, the heating spiral wire 21 is started. The heating spiral wire 21 is spirally installed on the inner side of the crushing box 1 to heat the cylindrical groove inside the crushing box 1, thereby effectively decomposing the organic matter inside the soil. The spiral blade 4 transports the crushed and heated soil to the discharge port opened at the lower left end of the crushing box 1 and the soil falls from the discharge hole 9 to the upper part of the conveyor belt 12. The gas conveying component 10 is started. The gas conveying component 10 can provide a suitable external environment for in-situ microbial remediation of the soil. The automatic roller 11 is started. The automatic roller The wheel 11 drives the conveyor belt 12 to rotate, and the conveyor belt 12 transports the soil. At the same time, the exhaust fan 17 is started, and the exhaust fan 17 exhausts air from the air collecting box 15. The gas passes through the filter plate 14 from the air intake port 13, and the filter plate 14 filters the debris in the exhaust gas. The gas enters the inner side of the conveyor belt 12 from the air intake port 13, enters the air collecting port 16 from the inner side of the conveyor belt 12, and enters the air collecting box 15 through the air collecting port 16. The hot exhaust gas enters the exhaust fan 17 from the air collecting box 15, enters the inner side of the rotating roller 3 through the air supply pipe 18, and enters the annular channel 5 opened on the inner side of the rotating roller 3. According to the structural setting of the annular channel 5, the gas flows into the column groove 7 to heat the heating rod 6 and the rotating roller 3 at the same time. At this time, the effect of preheating the soil can be achieved. The heating rod 6 protrudes from the outside of the rotating roller 3, which can increase the contact area with the soil and improve the preheating speed. The gas flows from the annular channel 5 into the exhaust gas treatment box 19 to treat the exhaust gas.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soil remediation pretreatment device for organic pollutants, comprising a crushing box (1) and a motor (2), characterized in that: A motor (2) is fixedly connected to one side of the crushing box (1), a rotating rod (3) is fixedly connected to the end of the main shaft of the motor (2), a spiral blade (4) is fixedly connected to the outer side of the rotating rod (3), an annular channel (5) is provided on the inner side of the spiral blade (4), a heating rod (6) is fixedly connected to the outer side of the rotating rod (3), a column groove (7) is provided on the inner side of the heating rod (6), a lower shell (8) is fixedly connected to the bottom end of the crushing box (1), a material discharge hole (9) is provided on the upper end of the lower shell (8), a gas conveying component (10) is fixedly connected to the inner side of the lower shell (8), and an automatic roller (11) is provided on the inner side of the lower shell (8), A conveyor belt (12) is arranged on the outside of the automatic roller (11), an air intake port (13) is provided on the inside of the conveyor belt (12), a filter plate (14) is fixedly connected to the inside of the air intake port (13), an air collecting box (15) is fixedly connected to the inside of the lower shell (8), an air collecting port (16) is provided at the upper end of the air collecting box (15), an exhaust fan (17) is fixedly connected to one side of the lower shell (8), an air supply pipe (18) is fixedly connected to one side of the exhaust fan (17), an exhaust gas treatment box (19) is fixedly connected to the outside of the air supply pipe (18), and a heating spiral wire (21) is fixedly connected to the inside of the crushing box (1).

2. The organic pollutant soil remediation pretreatment device according to claim 1 is characterized by: A cylindrical groove is provided on the inner side of the crushing box (1), a lower hopper (20) is fixedly connected to the upper end of the crushing box (1), and the inner side of the lower hopper (20) is connected to the cylindrical groove on the inner side of the crushing box (1).

3. The organic pollutant soil remediation pretreatment device according to claim 1 is characterized by: The rotating rod (3) is cylindrical in shape, and the outer sides of both ends of the rotating rod (3) are rotatably connected to the inner side of the crushing box (1). The left end of the rotating rod (3) protrudes from the inside of the exhaust gas treatment box (19), and the outer side of the spiral blade (4) is installed on the inner side of the crushing box (1).

4. The organic pollutant soil remediation pretreatment device according to claim 1 is characterized by: One end of the rotating rod (3) is rotatably connected to the outer side of one end of the air supply pipe (18); the inner side of the air supply pipe (18) is hollow; the inner side of the air supply pipe (18) is connected to the annular channel (5); one end of the annular channel (5) is connected to the inside of the exhaust gas treatment box (19); the annular channel (5) is connected to the inner side of the column groove (7); the heating rod (6) is located between the spiral leaves (4); and the number of the heating rods (6) is several.

5. The organic pollutant soil remediation pretreatment device according to claim 1 is characterized by: A feed opening is provided at the lower left end of the crushing box (1), the feed opening of the crushing box (1) has the same diameter as the feed opening hole (9), the feed opening of the crushing box (1) is connected to the feed opening hole (9), the inner side of the lower shell (8) is hollow, and the feed opening hole (9) is connected to the inner side of the lower shell (8).

6. The organic pollutant soil remediation pretreatment device according to claim 1 is characterized by: The number of the gas conveying components (10) is several, the gas conveying components (10) and the conveying belt (12) are on the same vertical line, the number of the automatic rollers (11) is two, the conveying belt (12) is sleeved outside the automatic rollers (11), one side of the automatic rollers (11) is fixedly connected to a driving device, and the driving device of the automatic rollers (11) is fixedly connected to one side of the lower shell (8).

7. The organic pollutant soil remediation pretreatment device according to claim 1 is characterized by: The air collecting box (15) is installed on the inner side of the conveyor belt (12); the inner side of the air collecting box (15) is hollow; the air collecting port (16) is connected to the inner side of the air collecting box (15); a through hole is provided at the front end of the air collecting box (15); the air inlet of the exhaust fan (17) is installed inside the through hole at the front end of the air collecting box (15); and the air outlet of the exhaust fan (17) is connected to the inner side of the air supply pipe (18).

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