A soil pollution control sample drying device

Abstract

The present invention discloses a soil pollution control sample drying device, including a drying box, a hot air blower is installed on one side of the drying box, a soil box is arranged on the bottom wall of the drying box, and a box door is rotatably connected to one side of the drying box by a hinge. The present invention relates to the field of soil drying technology. The soil pollution control sample drying device realizes the automatic crushing and rolling of the soil by setting an automatic soil crushing and distribution mechanism, and rolls the soil of different sizes into fine soil particles, thereby improving the overall drying speed. At the same time, the intermittent swing of the swing plate is used to swing the soil to both sides of the soil box, so that the soil is evenly spread and distributed in the soil box, preventing the soil from piling up in the center, which is conducive to improving the drying effect of the soil and keeping the drying degree of the soil consistent. The whole process is fully automated, without manual operation, and greatly improves work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of soil drying, and in particular to a soil pollution control sample drying device. Background Art

[0002] With the rapid development of industrialization and urbanization, soil pollution has become increasingly serious, posing a serious threat to ecological security and human health. Therefore, researchers have developed a variety of remediation technologies for different types of contaminated soils, and have achieved certain results in practical applications. In the process of soil pollution control, sample drying is one of the key steps.

[0003] The Chinese patent application with publication number CN214095347U discloses a soil sample drying device for soil treatment. This patent application solves the current problem of using heating resistance wire or electromagnetic heating to dry soil. This method is relatively simple and safe, and is more suitable for laboratory use. However, this method has too much heat loss, and the heat is not concentrated, which will affect the drying efficiency. In addition, the soil sample is often not completely dried, which affects the experimental results. However, the above patent still has the following shortcomings:

[0004] (1) Soil samples vary in size and require different drying times. Large soil samples require longer drying times, which reduces the overall drying efficiency. In addition, when placing soil samples, the samples tend to pile up and cannot be spread out flat, affecting the drying effect.

[0005] (2) The direction of hot air blowing does not change when the soil is dried, resulting in poor fluidity of the hot air in the drying equipment. The soil close to the hot air direction dries faster, while the soil away from the hot air direction dries slower, and the drying speeds of different parts of the soil are inconsistent.

[0006] In this regard, we proposed a soil pollution control sample drying device to solve the above problems. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a soil pollution control sample drying device, which solves the problems raised in the background technology.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a soil pollution control sample drying device, comprising a drying box, a hot air blower is installed on one side of the drying box, a soil box is arranged on the bottom wall of the drying box, a box door is rotatably connected to one side of the drying box through a hinge, and an automatic soil crushing and distribution mechanism is arranged inside the drying box to crush the soil sample and evenly distribute the crushed soil sample in the soil box;

[0009] The automated soil crushing and distribution mechanism comprises two crushing rollers rotatably connected between the inner walls of the drying box, gears 1 are fixed on the output shafts of the two crushing rollers, the two gears 1 are meshed, an L-shaped seat is fixed on one side of the drying box, a swing plate is arranged inside the drying box, an intermittent swinging assembly is arranged on the L-shaped seat, which drives the swinging plate to swing back and forth and allows the soil falling on the swinging plate to slide evenly to the two sides of the drying box, and a driving unit is arranged on the L-shaped seat to drive the intermittent swinging assembly and the crushing rollers to work synchronously.

[0010] Preferably, the intermittent swing assembly includes a first bevel gear rotatably connected to the inside of the L-shaped seat, one side of the top of the L-shaped seat is rotatably connected to the second bevel gear, the first bevel gear is meshed with the second bevel gear, a mounting frame is fixed to one side of the L-shaped seat, a block is fixed on the mounting frame, the inner surface of the block is rotatably connected to a rotating rod, a triangular plate is fixed to one end of the rotating rod, and two columns are fixed to the bottom of the triangular plate.

[0011] Preferably, a triangular arc block is fixed on the top of the second bevel gear, and the top of the triangular arc block is in contact and extrusion with the bottom ends of the two columns, a rocker arm is fixed to one end of the rotating rod, a connecting rod is fixed to one side of the rocker arm, one end of the connecting rod is fixed to one side of the swing plate, an arc groove is penetrated through one side of the drying box, one end of the connecting rod penetrates the arc groove and extends to the interior of the drying box, and the outer surface of the connecting rod is slidably connected to the inner surface of the arc groove.

[0012] Preferably, the driving unit includes a horizontal plate fixed on one side of the L-shaped seat, a motor 1 is fixed on the top of the horizontal plate, the motor 1 drives the first bevel gear to rotate, a pulley 1 is fixed on the output end of the motor 1 and the output shaft of the crushing roller, and the two pulleys 1 are connected by a belt transmission.

[0013] Preferably, an amplitude adjustment component for adjusting the swing amplitude of the swing arm is provided between the swing arm and the mounting frame, the amplitude adjustment component includes a mounting box fixed to one side of the swing arm, a slider is slidably connected to the inner surface of the mounting box, a spring is fixed between the top of the slider and the top wall of the mounting box, a fixing box is fixed on the mounting frame, a moving block is slidably connected to the inner surface of the fixing box, a screw is threadedly connected to the bottom of the fixing box, the top of the screw extends to the interior of the fixing box, the top of the screw is rotatably connected to the bottom of the moving block, one side of the slider is rotatably connected to the limit rod via a rotating shaft, and one end of the limit rod is rotatably connected to one side of the moving block via a rotating shaft.

[0014] Preferably, a soil turning unit for driving the soil sample to be stirred and turned is arranged between the bottom of the swing plate and the inside of the soil box, the soil turning unit includes a stirring rod rotatably connected between the inner walls of the soil box, a plurality of stirring paddles are fixed on the stirring rod, an electric telescopic rod is fixed to the bottom of the swing plate, a fixing seat is fixed to the output end of the electric telescopic rod, a sector-shaped rack is fixed to one side of the fixing seat, a gear 2 is fixed to the stirring rod, and the gear 2 is meshed with the sector-shaped rack.

[0015] Preferably, the soil box is provided with a bulldozer discharging assembly for pushing the soil sample to move, the bulldozer discharging assembly comprises a cylinder fixed on one side of the soil box, a mounting block is fixed on the output end of the cylinder, one side of the mounting block is rotatably connected with gear three, the gear three is meshed with gear two, a spur rack is slidably connected to the bottom wall of the soil box, the spur rack is meshed with gear three, a bulldozer plate is fixed on one side of the spur rack, the bottom of the bulldozer plate is slidably connected to the top of the soil box, a discharging oblique opening is opened on the bottom wall of the soil box, the discharging oblique opening is covered with a wedge plate, two cross bars are fixed on one side of the bulldozer plate, and the bottoms of the two cross bars are fixed to the top of the wedge plate.

[0016] Preferably, the swing plate is provided with a wind direction control component for controlling the swing and movement of the hot air, and the wind direction control component includes a slide groove penetrating through the top of the swing plate, a screw rod is rotatably connected between the inner walls of the slide groove, and a movable seat is slidably connected to the inner surface of the slide groove.

[0017] Preferably, one end of the screw rod passes through the movable seat and extends to the outside of the movable seat, the outer surface of the screw rod is threadedly connected to the inner surface of the movable seat, a guide plate is fixed to the bottom of the movable seat, the top of the guide plate is slidably connected to the bottom of the swing plate, and two vertical plates are fixed to one side of the guide plate.

[0018] Preferably, a vertical plate is fixed to the bottom of the swing plate, a second motor is fixed to one side of the vertical plate, a second pulley is fixed to the output end of the second motor and the outer surface of the screw rod, and the two second pulleys are connected by a second belt transmission. Beneficial Effects

[0019] The present invention provides a soil pollution control sample drying device. Compared with the prior art, it has the following beneficial effects:

[0020] (1) Through the setting of the automatic soil crushing and distribution mechanism, the automatic crushing and compacting of the soil is realized, and the soil of different sizes is compacted into fine soil particles, which improves the overall drying speed. At the same time, the intermittent swing of the swing plate is used to swing the soil to both sides of the soil box, so that the soil is evenly distributed in the soil box, preventing the soil from piling up in the center, which is beneficial to improving the soil drying effect and keeping the soil drying degree consistent. The whole process is fully automated and does not require manual operation, which greatly improves work efficiency.

[0021] (2) By setting up the soil turning unit, when the swing plate swings, it can simultaneously drive the stirring paddle to turn the soil in the soil box and stir it, thereby accelerating the evaporation rate of water and further improving the drying efficiency.

[0022] (3) Through the setting of the wind direction control component, after the hot air blower is started, the hot air blown out passes through the guide plate and is guided to the soil below by the guide plate. At the same time, the guide plate can swing with the swing plate to control the wind direction of the hot air, speed up the flow of hot air in the drying box, and improve the drying speed. At the same time, the guide plate can move left and right as needed, and can flexibly control the fixed-point blowing and drying of a certain area;

[0023] (4) Through the setting of the bulldozer discharge assembly, after starting the cylinder, gear three is meshed with gear two, and then the bulldozer plate is operated to push out the dried soil, realizing the automated bulldozer function, which is linked with the soil turning unit, has a high degree of automation and greatly improves the discharge efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional diagram of the external structure of the present invention;

[0025] Figure 2 It is a cross-sectional view of a drying box of the present invention;

[0026] Figure 3 A three-dimensional diagram of an intermittent swing assembly of the present invention;

[0027] Figure 4 It is an enlarged view of the local structure of the intermittent swing assembly of the present invention;

[0028] Figure 5 is a cross-sectional view of a swing plate of the present invention;

[0029] Figure 6 For the present invention Figure 5 A partial enlarged view of the middle A;

[0030] Figure 7 It is a three-dimensional diagram of the internal structure of the soil box of the present invention;

[0031] Figure 8 The local structure of the bulldozer discharging assembly of the present invention is shown in FIG. Figure 1;

[0032] Fig. 9 The local structure of the bulldozer discharging assembly of the present invention is shown in FIG. Figure 2 .

[0033] In the figure: 1, drying box; 2, hot air blower; 3, soil box; 4, box door; 5, automatic soil crushing and distribution mechanism; 6, amplitude adjustment component; 7, soil turning unit; 9, bulldozer discharging component; 10, wind direction control component; 51, crushing roller; 52, gear 1; 53, L-shaped seat; 54, swing plate; 55, intermittent swing component; 56, driving unit; 551, first bevel gear; 552, second bevel gear; 553, mounting frame; 554, block; 555, rotating rod; 556, triangular plate; 557, column; 558, triangular arc block; 559, swing rod; 5510, connecting rod; 5511, arc groove; 561, horizontal plate; 562, motor 1; 563, belt Wheel one; 564, belt one; 61, mounting box; 62, slider; 63, spring; 64, fixed box; 65, moving block; 66, screw; 67, rotating shaft; 68, limit rod; 71, stirring rod; 72, stirring paddle; 73, electric telescopic rod; 74, fixed seat; 75, sector rack; 76, gear two; 91, cylinder; 92, mounting block; 93, gear three; 94, spur rack; 95, bulldozer; 96, discharging bevel; 97, wedge plate; 98, horizontal bar; 101, slide; 102, screw; 103, moving seat; 104, guide plate; 105, vertical plate; 106, vertical plate; 107, motor two; 108, pulley two; 109, belt two. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The present invention provides three technical solutions, including the following embodiments:

[0036] Example 1: Please refer to Figure 1-Figure 4A soil pollution control sample drying device comprises a drying box 1, a feed hopper is installed on the top of the drying box 1, soil enters the drying box 1 from the feed hopper, a hot air blower 2 is installed on one side of the drying box 1, the hot air blower 2 is controlled by an external switch and is electrically connected to an external power supply, and can blow hot air into the drying box 1 after the hot air blower 2 is started, and the hot air blower 2 is a prior art, a soil box 3 is arranged on the bottom wall of the drying box 1, and the front side of the soil box 3 is an open design, and a box door 4 is connected to one side of the drying box 1 by a hinge rotation, and after the box door 4 is opened, the soil is taken out from the opening in front of the soil box 3, and an automatic soil crushing and distribution mechanism 5 is arranged inside the drying box 1 to crush the soil sample and evenly distribute the crushed soil sample in the soil box 3;

[0037] The automated soil crushing and distribution mechanism 5 includes two crushing rollers 51 rotatably connected between the inner walls of the drying box 1, and gears 52 are fixed on the output shafts of the two crushing rollers 51. The two gears 52 are meshed, and the two crushing rollers 51 can crush and crush the soil when they rotate, and crush the soil into fine soil particles. An L-shaped seat 53 is fixed on one side of the drying box 1, and a swing plate 54 is arranged inside the drying box 1. An intermittent swing component 55 is arranged on the L-shaped seat 53 to drive the swing plate 54 to swing back and forth and allow the soil falling on the swing plate 54 to evenly slide to both sides of the drying box 1. A driving unit 56 is arranged on the L-shaped seat 53 to drive the intermittent swing component 55 and the crushing rollers 51 to work synchronously.

[0038] The intermittent swing assembly 55 includes a first bevel gear 551 rotatably connected to the inside of the L-shaped seat 53, a second bevel gear 552 is rotatably connected to one side of the top of the L-shaped seat 53, the first bevel gear 551 is meshed with the second bevel gear 552, a mounting frame 553 is fixed to one side of the L-shaped seat 53, a block 554 is fixed to the mounting frame 553, a rotating rod 555 is rotatably connected to the inner surface of the block 554, a triangular plate 556 is fixed to one end of the rotating rod 555, two columns 557 are fixed to the bottom of the triangular plate 556, and the bottom end of the column 557 is set to a hemispherical surface.

[0039] A triangular arc block 558 is fixed to the top of the second bevel gear 552, and the top of the triangular arc block 558 is in contact and extrusion with the bottom ends of the two columns 557. A swing rod 559 is fixed to one end of the rotating rod 555, and a connecting rod 5510 is fixed to one side of the swing rod 559. One end of the connecting rod 5510 is fixed to one side of the swing plate 54. An arc groove 5511 is penetrated through one side of the drying box 1. The setting of the arc groove 5511 reserves space for the swing of the connecting rod 5510. One end of the connecting rod 5510 penetrates the arc groove 5511 and extends to the interior of the drying box 1. The outer surface of the connecting rod 5510 is slidably connected with the inner surface of the arc groove 5511.

[0040] The driving unit 56 includes a horizontal plate 561 fixed on one side of the L-shaped seat 53, and a motor 562 is fixed on the top of the horizontal plate 561. The motor 562 drives the first bevel gear 551 to rotate. The motor 562 is controlled by an external switch and is electrically connected to an external power supply. A pulley 563 is fixed on the output end of the motor 562 and the output shaft of the crushing roller 51, and the two pulleys 563 are connected by a belt 564.

[0041] By setting up the automatic soil crushing and distribution mechanism 5, the automatic crushing and rolling of the soil is realized, and the soil of different sizes is rolled into fine soil particles, thereby improving the overall drying speed. At the same time, the intermittent swing of the swing plate 54 is used to swing the soil to both sides of the soil box 3, so that the soil is evenly spread and distributed in the soil box 3, preventing the soil from piling up in the center, which is beneficial to improving the drying effect of the soil and keeping the drying degree of the soil consistent. The whole process is fully automated, without manual operation, and greatly improving work efficiency.

[0042] An amplitude adjustment component 6 for adjusting the swing amplitude of the swing arm 559 is arranged between the swing arm 559 and the mounting frame 553. The amplitude adjustment component 6 includes a mounting box 61 fixed on one side of the swing arm 559. A slider 62 is slidably connected to the inner surface of the mounting box 61. A spring 63 is fixed between the top of the slider 62 and the top wall of the mounting box 61. A fixed box 64 is fixed on the mounting frame 553. A moving block 65 is slidably connected to the inner surface of the fixed box 64. A screw 66 is threadedly connected to the bottom of the fixed box 64. The top of the screw 66 extends to the inside of the fixed box 64. The top of the screw 66 is rotatably connected to the bottom of the moving block 65. One side of the slider 62 is rotatably connected to a limit rod 68 through a rotating shaft 67. One end of the limit rod 68 is rotatably connected to one side of the moving block 65 through the rotating shaft 67.

[0043] Through the screw 66, the screw 66 drives the moving block 65 to move up and down, and then drives the limit rod 68 to move up or down as a whole, thereby adjusting the swing amplitude of the swing rod 559. The setting of the rotation amplitude adjustment component 6 can realize the flexible adjustment of the swing amplitude of the swing rod 559 and the swing plate 54. The swing amplitude of the swing plate 54 affects the stirring amplitude of the stirring rod. The larger the swing amplitude of the swing plate 54, the larger the stirring amplitude of the stirring rod 71. At the same time, the larger the swing amplitude of the swing plate 54, the greater its inclination. The greater the inclination, the faster the distribution speed of the soil.

[0044] Example 2: Based on Example 1, see Figure 5 , Figure 7 , Figure 8 and Fig. 9As shown, a turning unit 7 for driving the soil sample to be stirred and turned is arranged between the bottom of the swing plate 54 and the inside of the soil box 3. The turning unit 7 includes a stirring rod 71 rotatably connected between the inner walls of the soil box 3. A plurality of stirring paddles 72 are fixed on the stirring rod 71. An electric telescopic rod 73 is fixed to the bottom of the swing plate 54. The electric telescopic rod 73 is controlled by an external switch and is electrically connected to an external power supply. A fixing seat 74 is fixed to the output end of the electric telescopic rod 73. A fan-shaped rack 75 is fixed to one side of the fixing seat 74. A gear 2 76 is fixed to the stirring rod 71. The gear 2 76 is meshed with the fan-shaped rack 75.

[0045] By setting the soil turning unit 7, when the swing plate 54 swings, it can synchronously drive the stirring paddle 72 to turn the soil in the soil box 3 and stir the soil, thereby accelerating the evaporation rate of water and further improving the drying efficiency.

[0046] A pusher discharging assembly 9 for pushing the soil sample to move is arranged in the soil box 3. The pusher discharging assembly 9 includes a cylinder 91 fixed on one side of the soil box 3. The cylinder 91 is controlled by an external switch and is electrically connected to an external power supply. A mounting block 92 is fixed to the output end of the cylinder 91. A gear three 93 is rotatably connected to one side of the mounting block 92. The gear three 93 is meshed with the gear two 76. A spur rack 94 is slidably connected to the bottom wall of the soil box 3. The spur rack 94 is meshed with the gear three 93. A bulldozer plate 95 is fixed to one side of the spur rack 94. The bottom of the bulldozer plate 95 is slidably connected to the top of the soil box 3. A discharging bevel 96 is provided, and the discharging bevel 96 is inclined and covered with a wedge plate 97. The wedge plate 97 is adapted to the size of the discharging bevel 96, and the top of the wedge plate 97 is flush with the bottom wall of the soil box 3. The bulldozer 95 simultaneously drives the wedge plate 97 to move during its movement, and the wedge plate 97 brings out a portion of the soil. When the wedge plate 97 is reset, the soil on the discharging bevel 96 can be shoveled onto the wedge plate 97, and all the soil can be pushed out by pushing the wedge plate 97 again. Two horizontal bars 98 are fixed to one side of the bulldozer 95, and the bottoms of the two horizontal bars 98 are fixed to the top of the wedge plate 97.

[0047] By setting the bulldozer discharge assembly 9, after starting the cylinder 91, gear three 93 is meshed with gear two 76, and then the bulldozer plate 95 is operated to push out the dried soil, realizing the automated bulldozer function, and linking with the soil turning unit, with a high degree of automation, greatly improving the discharge efficiency.

[0048] Example 3: Based on Example 2, see Figure 5-Figure 6 As shown, a wind direction control component 10 for controlling the swing and movement of hot air is provided on the swing plate 54. The wind direction control component 10 includes a slide groove 101 which passes through the top of the swing plate 54. A screw rod 102 is rotatably connected between the inner walls of the slide groove 101, and a movable seat 103 is slidably connected to the inner surface of the slide groove 101.

[0049] One end of the screw rod 102 passes through the movable seat 103 and extends to the outside of the movable seat 103. The outer surface of the screw rod 102 is threadedly connected to the inner surface of the movable seat 103. A guide plate 104 is fixed to the bottom of the movable seat 103. One side of the guide plate 104 is an inclined surface to facilitate the hot air to blow obliquely downward. The top of the guide plate 104 is slidably connected to the bottom of the swing plate 54, and two vertical plates 105 are fixed to one side of the guide plate 104.

[0050] A vertical plate 106 is fixed to the bottom of the swing plate 54, and a motor 107 is fixed to one side of the vertical plate 106. The motor 107 is a three-phase asynchronous motor that can be rotated forward and reversed. It is controlled by an external switch and is electrically connected to an external power supply. A pulley 108 is fixed to the output end of the motor 107 and the outer surface of the screw rod 102, and the two pulleys 108 are connected by a belt 109.

[0051] Through the setting of the wind direction control component 10, after the hot air blower 2 is started, the hot air blown out passes through the guide plate 104 and is guided to the soil below by the guide plate 104. At the same time, the guide plate 104 can swing with the swing plate 54, which can control the wind direction of the hot air, accelerate the flow of hot air in the drying box 1, and improve the drying speed. At the same time, the guide plate 104 can move left and right as needed, and can flexibly control the fixed-point blowing and drying of a certain area.

[0052] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0053] During operation, a soil sample is placed into the drying box 1 from the top, and the motor 562 is started to rotate the two crushing rollers 51 of the motor 562. The two crushing rollers 51 crush and roll the soil, crushing the soil of different sizes into fine soil particles that fall onto the swing plate 54. When the motor 562 is started, the first bevel gear 551 and the second bevel gear 552 are driven to rotate, and the second bevel gear 552 drives the triangular arc block 558 to rotate. The triangular arc block 558 contacts one of the columns 557, driving the swing rod 559 to swing to one side, and at the same time, the swing rod 559 drives the swing plate 54 to swing to one side and is in an inclined state. In the inclined state, as the second bevel gear 552 keeps rotating, the swing rod 559 and the swing plate 54 realize intermittent forward and backward swinging. At this time, part of the soil falling on the swing plate 54 falls into the soil box 3 through the chute 101, and the other part of the soil can slide down along the swing plate 54 during the swinging process of the swing plate 54, and fall on both sides of the soil box 3 and be evenly distributed. The hot air blower 2 is started, and the hot air blower 2 blows out hot air, and the motor 2 107 is further started, so that the motor 2 107 drives the screw rod 102 to rotate, and the screw rod 102 drives the moving seat 103 and the guide plate 104 to move left and right. At this time, the hot air blows onto the guide plate 104, and the guide plate 104 The hot air is directed to the soil below to dry the soil below. The guide plate 104 swings synchronously with the swing plate 54, which can intermittently change the direction of the hot air, speed up the flow of hot air, and improve the drying speed. The electric telescopic rod 73 is further started to drive the fan-shaped rack 75 to move, so that the fan-shaped rack 75 is meshed with the gear 2 76. At this time, with the swing of the swing plate 54, the fan-shaped rack 75 can be synchronously driven to swing, and the fan-shaped rack 75 drives the gear 2 76, the stirring rod 71, and the stirring paddle 72 to rotate. The stirring paddle 72 turns and stirs the soil in the soil box 3 to speed up the drying speed. When the soil in the soil box 3 is taken out, the box door 4 is opened, and the cylinder 91 is started, so that the cylinder 91 drives the gear three 93 to move, so that the gear three 93 is meshed with the gear two 76. At this time, when the gear two 76 rotates, it drives the gear three 93 to rotate, and the gear three 93 drives the spur rack 94 and the bulldozer plate 95, the cross bar 98, and the wedge plate 97 to move forward. The wedge plate 97 brings out a part of the dried soil, and the bulldozer plate 95 pushes a part of the soil to the discharge oblique port 96. When the bulldozer plate 95 is reset, it drives the wedge plate 97 to reset, and shovels the soil on the discharge oblique port 96 onto the wedge plate 97. Such a cycle can complete the excavation operation.

[0054] The above embodiments of the invention are described in detail, but the contents are only preferred embodiments of the invention and cannot be considered to limit the scope of the invention. All equivalent changes and improvements made within the scope of the invention should still fall within the scope of the invention.

Claims

1. A soil pollution control sample drying device, comprising a drying box (1), a hot air blower (2) being installed on one side of the drying box (1), characterized in that: A soil box (3) is arranged on the bottom wall of the drying box (1); a box door (4) is rotatably connected to one side of the drying box (1) via a hinge; an automatic soil crushing and distribution mechanism (5) is arranged inside the drying box (1) for crushing soil samples and evenly distributing the crushed soil samples in the soil box (3); The automated soil crushing and distribution mechanism (5) comprises two crushing rollers (51) rotatably connected between the inner walls of the drying box (1), the output shafts of the two crushing rollers (51) are both fixed with gears 1 (52), the two gears 1 (52) are meshed, an L-shaped seat (53) is fixed to one side of the drying box (1), a swing plate (54) is arranged inside the drying box (1), an intermittent swing assembly (55) is arranged on the L-shaped seat (53) to drive the swing plate (54) to swing back and forth and allow the soil falling on the swing plate (54) to evenly slide to both sides of the drying box (1), and a driving unit (56) is arranged on the L-shaped seat (53) to drive the intermittent swing assembly (55) and the crushing rollers (51) to work synchronously; The swing plate (54) is provided with a wind direction control component (10) for controlling the swing and movement of the hot air. The wind direction control component (10) comprises a slide groove (101) extending through the top of the swing plate (54). A screw rod (102) is rotatably connected between the inner walls of the slide groove (101). A movable seat (103) is slidably connected to the inner surface of the slide groove (101). One end of the screw rod (102) passes through the movable seat (103) and extends to the outside of the movable seat (103). The outer surface of the screw rod (102) is threadedly connected to the inner surface of the movable seat (103). A guide plate (104) is fixed at the bottom of the movable seat (103), the top of the guide plate (104) is slidably connected to the bottom of the swing plate (54), two vertical plates (105) are fixed to one side of the guide plate (104), a vertical plate (106) is fixed to the bottom of the swing plate (54), a second motor (107) is fixed to one side of the vertical plate (106), a second pulley (108) is fixed to the output end of the second motor (107) and the outer surface of the screw rod (102), and the two second pulleys (108) are connected to each other through a second belt (109).

2. The soil pollution control sample drying device according to claim 1, characterized in that: The intermittent swing assembly (55) comprises a first bevel gear (551) rotatably connected to the inside of the L-shaped seat (53); a second bevel gear (552) is rotatably connected to one side of the top of the L-shaped seat (53); the first bevel gear (551) is meshed with the second bevel gear (552); a mounting frame (553) is fixed to one side of the L-shaped seat (53); a block (554) is fixed to the mounting frame (553); a rotating rod (555) is rotatably connected to the inner surface of the block (554); a triangular plate (556) is fixed to one end of the rotating rod (555); and two upright posts (557) are fixed to the bottom of the triangular plate (556).

3. The soil pollution control sample drying device according to claim 2, characterized in that: A triangular arc block (558) is fixed to the top of the second bevel gear (552), the top of the triangular arc block (558) is in contact and extrusion with the bottom ends of the two columns (557), a swing rod (559) is fixed to one end of the rotating rod (555), a connecting rod (5510) is fixed to one side of the swing rod (559), one end of the connecting rod (5510) is fixed to one side of the swing plate (54), an arc groove (5511) is penetrated through one side of the drying box (1), one end of the connecting rod (5510) penetrates the arc groove (5511) and extends to the interior of the drying box (1), and the outer surface of the connecting rod (5510) is slidably connected to the inner surface of the arc groove (5511).

4. The soil pollution control sample drying device according to claim 2, characterized in that: The driving unit (56) comprises a horizontal plate (561) fixed to one side of the L-shaped seat (53), a motor 1 (562) fixed to the top of the horizontal plate (561), the motor 1 (562) driving the first bevel gear (551) to rotate, a pulley 1 (563) fixed to the output end of the motor 1 (562) and the output shaft of the crushing roller (51), and the two pulleys 1 (563) are connected to each other through a belt 1 (564).

5. The soil pollution control sample drying device according to claim 3, characterized in that: An amplitude adjustment component (6) for adjusting the swing amplitude of the swing rod (559) is arranged between the swing rod (559) and the mounting frame (553), the amplitude adjustment component (6) comprising a mounting box (61) fixed to one side of the swing rod (559), a slider (62) being slidably connected to the inner surface of the mounting box (61), a spring (63) being fixed between the top of the slider (62) and the top wall of the mounting box (61), a fixing box (64) being fixed on the mounting frame (553), and the fixing box (64) being fixed to the mounting frame (553). The inner surface of the box (64) is slidably connected to a moving block (65); the bottom of the fixed box (64) is threadedly connected to a screw rod (66); the top end of the screw rod (66) extends into the interior of the fixed box (64); the top end of the screw rod (66) is rotatably connected to the bottom of the moving block (65); one side of the slider (62) is rotatably connected to a limiting rod (68) via a rotating shaft (67); one end of the limiting rod (68) is rotatably connected to one side of the moving block (65) via the rotating shaft (67).

6. The soil pollution control sample drying device according to claim 1, characterized in that: A soil turning unit (7) for driving the soil sample to be stirred and turned is arranged between the bottom of the swing plate (54) and the inside of the soil box (3); the soil turning unit (7) comprises a stirring rod (71) rotatably connected to the inner wall of the soil box (3); a plurality of stirring paddles (72) are fixed to the stirring rod (71); an electric telescopic rod (73) is fixed to the bottom of the swing plate (54); a fixing seat (74) is fixed to the output end of the electric telescopic rod (73); a sector-shaped rack (75) is fixed to one side of the fixing seat (74); a second gear (76) is fixed to the stirring rod (71); the second gear (76) is meshed with the sector-shaped rack (75).

7. The soil pollution control sample drying device according to claim 6, characterized in that: The soil box (3) is provided with a push-and-discharge assembly (9) for pushing the soil sample to move. The push-and-discharge assembly (9) comprises a cylinder (91) fixed to one side of the soil box (3). A mounting block (92) is fixed to the output end of the cylinder (91). One side of the mounting block (92) is rotatably connected to a gear three (93). The gear three (93) meshes with a gear two (76). A spur rack (94) is slidably connected to the bottom wall of the soil box (3). The spur rack (94) is 94) is meshed with gear three (93), a bulldozer plate (95) is fixed on one side of the spur rack (94), the bottom of the bulldozer plate (95) is slidably connected to the top of the soil box (3), a discharge bevel (96) is provided on the bottom wall of the soil box (3), the discharge bevel (96) is covered with a wedge plate (97), two horizontal bars (98) are fixed on one side of the bulldozer plate (95), the bottoms of the two horizontal bars (98) are fixed to the top of the wedge plate (97).

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