CN220780499U - Soil restoration device for environmental treatment - Google Patents

Abstract

The utility model discloses a soil remediation device for environmental treatment, which comprises a base, wherein a screening mechanism is fixedly arranged above the base, a stirring and conveying mechanism is connected inside the screening mechanism in a penetrating way, a grinding mechanism is arranged above the screening mechanism, and a heating and crushing mechanism is arranged above the grinding mechanism; further comprises: the screen plate assemblies are arranged above the inside of the screening mechanism, two groups of screen plate assemblies are arranged, each group of screen plate assemblies consists of a first motor, a frame, a screen, a leak hole and an eccentric wheel, and a second spring is arranged between the mounting groove and the frame; the fixing base is arranged in the grinding mechanism, the movable seat is slidably arranged in the fixing base, the supporting seat is rotatably arranged above the movable seat, the grinding cone barrel is limited by sliding above the supporting seat, and the soil repairing device can avoid blockage inside and effectively improve the repairing effect on soil.

Description

Soil restoration device for environmental treatment

Technical Field

The utility model relates to the technical field of soil restoration devices, in particular to a soil restoration device for environmental treatment.

Background

Soil pollution not only damages the ecological environment, but also threatens the health and life safety of human bodies. Accordingly, soil remediation technology is receiving increasing attention, and mainly includes physical, chemical and biological methods. The physical method comprises soil replacement, deep ploughing, soil turning and the like, and is suitable for lightly polluted soil. The chemical method comprises adding chemical substances to change the chemical properties of pollutants in soil, so that the pollutants are not easy to be absorbed by organisms, and the method is suitable for severely polluted soil.

For example, chinese patent grant No. CN212017584U, which is a soil remediation device, comprises an equipment box, wherein an installation plate is fixedly installed on the inner bottom wall of the equipment box, a first motor is fixedly connected to the upper surface of the installation plate, one end of the first motor is rotatably connected with a rotating shaft, and the other end of the rotating shaft is fixedly connected with a connecting sheet; according to the utility model, the mounting plate is fixedly arranged on the inner bottom wall of the equipment box, the first motor is fixedly connected to the upper surface of the mounting plate, the mounting plate can ensure stable mounting of the first motor, one end of the first motor is rotatably connected with the rotating shaft, the other end of the rotating shaft is fixedly connected with the connecting sheet, the top end of the connecting sheet is fixedly connected with the storage barrel, the storage barrel can store soil to be repaired, and the soil to be repaired in the storage barrel can be driven to rotate by driving the first motor.

Above-mentioned prior art is although can realize the restoration to soil, but on the one hand along with the improvement of restoration soil volume, often need shut down in the course of the work and clear up the inside plug of device, comparatively influence the restoration material rate, and on the other hand soil receives self viscidity to keep cubic mostly, not only easily adheres on the device inner wall, makes the medicament be difficult to permeate inside moreover to influence the restoration effect, consequently do not satisfy current demand, have proposed a soil prosthetic devices for environmental remediation to this we.

Disclosure of Invention

The utility model aims to provide a soil remediation device for environmental treatment, which aims to solve the problem of how to improve the soil remediation effect of the soil remediation device provided in the background art on the premise of avoiding internal blockage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the soil remediation device for environmental treatment comprises a base, wherein a screening mechanism is fixedly arranged above the base, a stirring and conveying mechanism is connected inside the screening mechanism in a penetrating manner, a soil outlet pipe is arranged below one side of the stirring and conveying mechanism, a grinding mechanism is arranged above the screening mechanism, a heating and crushing mechanism is arranged above the grinding mechanism, and a soil inlet is arranged above the heating and crushing mechanism; further comprises:

the screening plate assembly is arranged above the inside of the screening mechanism, two groups of screening plate assemblies are arranged, each group of screening plate assemblies consists of a first motor, a frame, a screen, leakage holes and eccentric wheels, mounting grooves are formed in two sides of the inside of the screening mechanism, two ends of the frame extend to the inside of the mounting grooves, the frame is in sliding connection with the mounting grooves, the screen is fixed in the frame, the first motor is fixedly arranged on the outer side of the screening mechanism, an output shaft of the first motor is fixed with a shaft of the eccentric wheels through a coupling, and a second spring is arranged between the mounting grooves and the frame;

the grinding mechanism comprises a fixed seat, a movable seat is arranged in the grinding mechanism in a sliding manner, a supporting seat is rotatably arranged above the movable seat, a grinding cone barrel is limited by sliding above the supporting seat, a grinding cavity is formed in the inner wall of the grinding mechanism, and the grinding cavity is matched with outer grinding grains of the grinding cone barrel.

Preferably, one side fixed mounting of stirring conveying mechanism has the second motor, stirring conveying mechanism's internally mounted has the pivot, and the one end of pivot is connected with the output shaft of second motor, the outside fixed mounting of pivot has helical blade, one side of stirring conveying mechanism up end is provided with the chemical agent storage tank, passes through the pipe connection between chemical agent storage tank and the stirring conveying mechanism, and the externally mounted of pipeline has the flow valve, the one end that stirring conveying mechanism is located the inside of screening mechanism is provided with three microorganism injection pipe, the upper end of microorganism injection pipe is connected with the microorganism conveyer pipe, and the microorganism conveyer pipe extends to the outside of screening mechanism.

Preferably, a drain hole is formed in one side of the frame, a slag discharging plate is arranged below one side of the frame, which is located by the screening mechanism, the slag discharging plate is of an inclined structure, and one end of the slag discharging plate extends to the outside of the screening mechanism.

Preferably, the four corners department between fixing base and the movable seat is all fixed mounting has hydraulic lifting device, the internally mounted of movable seat has the third motor, and the output shaft of third motor is connected with the bottom of supporting seat.

Preferably, a plurality of first springs are arranged between the grinding cone and the supporting seat in a rectangular array.

Preferably, the squeeze rollers are rotatably mounted on two sides of the inside of the heating and crushing mechanism, a transmission mechanism is arranged at the rear end of the heating and crushing mechanism, shafts at one ends of the squeeze rollers extend to the inside of the transmission mechanism, gears are mounted at one ends of the squeeze rollers, which are located inside the transmission mechanism, and meshed with each other, a fourth motor is mounted on the outside of the transmission mechanism, and an output shaft of the fourth motor is connected with one of the gears through a coupling.

Preferably, the inside of squeeze roll is equipped with the cavity, the steam advances the pipe all is installed to the other end of squeeze roll, and the one end that the steam advances the pipe is connected to steam generator, and the other end that the steam advances the pipe is connected with squeeze roll rotation, squeeze roll's outside is equipped with the exhaust hole.

Preferably, the screens are all obliquely arranged, and meshes of the screens above are smaller than those of the screens below.

Preferably, a guide plate is arranged below the sieve plate assembly, the guide plate is obliquely arranged, and one side of the guide plate is fixed with the screening mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the crushed soil enters the sieve plate assembly from the grinding mechanism, the first motor is started, the output shaft of the first motor drives the eccentric wheel to rotate, the eccentric wheel contacts one side of the frame after rotating for one circle, the second spring is matched with the first motor to form high-frequency vibration of the frame under high-speed rotation, on one hand, the vibrating screen can promote the soil to rapidly pass through to form a barrier to impurities, on the other hand, the screen is of an inclined structure, and the impurities on the surface are moved towards one side along with vibration force until entering the slag discharging plate through the leakage holes, so that the soil is discharged from the sieve plate assembly, and under the action of the two layers of screens, the impurities in the soil can be reduced to the greatest extent, so that the subsequent repairing effect is improved.

2. According to the utility model, through the arrangement of the stirring and conveying mechanism, chemical restoration reagent which is formed by calcium chloride, ferrous sulfate, an oxidant, a reducing agent and a stabilizing agent in advance enters the stirring and conveying mechanism from the chemical agent storage tank through flow control, the second motor is started, the output shaft drives the rotating shaft to rotate, so that the external spiral blade is driven to rotate, the chemical restoration reagent is continuously pushed in the rotating process, when the chemical restoration reagent enters the inside of the screening mechanism, the screened soil enters the stirring and conveying mechanism from the window and is mixed with the chemical restoration reagent, the chemical restoration reagent and the soil are mutually stirred and mixed in the pushing process, so that improvement of saline-alkali soil is realized, then the microbial reagent is conveyed to the microbial injection pipe through the microbial injection pipe under the action of the conveying pump when the microbial injection pipe passes through the microbial injection pipe, finally microorganisms are injected into the soil, the quality and fertility of organic matters in the soil are improved, and finally the restored soil is discharged from the pipe.

3. According to the utility model, the heating crushing mechanism is arranged, the steam inlet pipe is connected to the steam generator, the generated high-temperature steam can enter the extrusion roller through the steam inlet pipe, so that the surface of the extrusion roller is kept at a higher temperature, soil blocks with moisture in the interior can enter from the soil inlet, the fourth motor is started, the output shaft of the fourth motor drives one gear to rotate, the two extrusion rollers are driven to rotate inwards under the meshing of the gear, the extrusion crushing of soil is realized, meanwhile, the extrusion rollers can heat the soil blocks during extrusion, the moisture in the soil blocks is quickly evaporated, the crushed soil is kept in a dry state, the structure not only provides a guarantee for subsequent grinding, but also the soil losing the moisture is difficult to adhere to the inner wall of the device, the internal blockage is avoided, and the later maintenance workload is reduced.

4. According to the utility model, the grinding mechanism is arranged, the dried soil enters the grinding mechanism, the hydraulic lifting device is started to drive the grinding cone above the grinding cone to do vertical reciprocating motion, the grinding cone can squeeze the soil to improve the crushing effect when moving upwards, meanwhile, the third motor is started, the output shaft of the third motor can drive the grinding cone to rotate through the supporting seat, the grinding work of the soil is formed under the cooperation of the surface of the third motor and the grinding cavity, in addition, the first spring is arranged between the supporting column and the grinding cone and used for protecting the grinding cone, and damage to the grinding cone and the grinding cavity caused by reaction force generated by harder impurities can be avoided.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 in accordance with the present utility model;

fig. 4 is a perspective view of a screen panel of the present utility model;

FIG. 5 is an enlarged view of a portion of the area B of FIG. 2 in accordance with the present utility model;

fig. 6 is a plan view showing the internal structure of the heating and crushing mechanism of the present utility model.

In the figure: 1. a base; 2. a screening mechanism; 3. a grinding mechanism; 4. heating the crushing mechanism; 5. a soil inlet; 6. a squeeze roll; 7. a steam inlet pipe; 8. a slag discharging plate; 9. a microorganism transfer tube; 10. a stirring and conveying mechanism; 11. a soil outlet pipe; 12. a chemical agent storage tank; 13. a screen plate assembly; 14. a first motor; 15. a guide plate; 16. a rotating shaft; 17. a helical blade; 18. a second motor; 19. a microorganism injection tube; 20. grinding a cone cylinder; 21. a grinding cavity; 22. a fixing seat; 23. a movable seat; 24. a hydraulic lifting device; 25. a third motor; 26. a support base; 27. a first spring; 28. a frame; 29. a screen; 30. a leak hole; 31. an eccentric wheel; 32. a mounting groove; 33. a second spring; 34. a transmission mechanism; 35. a gear; 36. and a fourth motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, an embodiment of the present utility model is provided: the soil remediation device for environmental treatment comprises a base 1, wherein a screening mechanism 2 is fixedly arranged above the base 1, a stirring and conveying mechanism 10 is connected inside the screening mechanism 2 in a penetrating manner, a soil outlet pipe 11 is arranged below one side of the stirring and conveying mechanism 10, a grinding mechanism 3 is arranged above the screening mechanism 2, a heating and crushing mechanism 4 is arranged above the grinding mechanism 3, and a soil inlet 5 is arranged above the heating and crushing mechanism 4; further comprises:

the screen plate assembly 13 is arranged above the inside of the screening mechanism 2, the screen plate assembly 13 is provided with two groups, each group of screen plate assembly 13 consists of a first motor 14, a frame 28, a screen 29, a leak hole 30 and an eccentric wheel 31, mounting grooves 32 are formed in two sides of the inside of the screening mechanism 2, two ends of the frame 28 extend to the inside of the mounting grooves 32, the frame 28 is in sliding connection with the mounting grooves 32, the screen 29 is fixed in the frame 28, the first motor 14 is fixedly arranged on the outer side of the screening mechanism 2, an output shaft of the first motor 14 is fixed with the shaft of the eccentric wheel 31 through a coupling, and a second spring 33 is arranged between the mounting grooves 32 and the frame 28;

the fixing base 22 is arranged in the grinding mechanism 3, the movable base 23 is slidably arranged in the fixing base 22, the supporting base 26 is rotatably arranged above the movable base 23, the powder grinding cone 20 is limited by sliding above the supporting base 26, the grinding cavity 21 is arranged on the inner wall of the grinding mechanism 3, and the grinding cavity 21 is matched with the outer grinding grains of the powder grinding cone 20.

When the screening machine is used, the first motor 14 is started, the output shaft of the first motor drives the eccentric wheel 31 to rotate, the eccentric wheel 31 contacts with one side of the frame 28 after rotating for one circle, the second spring 33 is matched with the high-speed rotation to form high-frequency vibration of the frame 28, on one hand, the vibrating screen 29 can promote soil to rapidly pass through to form a barrier to impurities, on the other hand, the screen 29 is of an inclined structure, and impurities on the surface are enabled to move towards one side along with vibration force until entering the slag discharging plate 8 through the leakage holes 30, so that the impurities are discharged from the screening mechanism 2.

Referring to fig. 2, a second motor 18 is fixedly installed on one side of the stirring and conveying mechanism 10, a rotating shaft 16 is installed inside the stirring and conveying mechanism 10, one end of the rotating shaft 16 is connected with an output shaft of the second motor 18, a helical blade 17 is fixedly installed outside the rotating shaft 16, a chemical agent storage tank 12 is arranged on one side of the upper end face of the stirring and conveying mechanism 10, the chemical agent storage tank 12 is connected with the stirring and conveying mechanism 10 through a pipeline, a flow valve is installed outside the pipeline, three microorganism injection pipes 19 are arranged at one end of the stirring and conveying mechanism 10 located inside the screening mechanism 2, microorganism conveying pipes 9 are connected to the upper ends of the microorganism injection pipes 19, and the microorganism conveying pipes 9 extend to the outside of the screening mechanism 2 and are mutually stirred and mixed in the pushing process, so that improvement of saline-alkaline soil is achieved.

Referring to fig. 2, 4 and 5, a drain hole 30 is formed in one side of the inside of the frame 28, a slag discharging plate 8 is arranged below one side of the frame 28 of the screening mechanism 2, the slag discharging plate 8 is of an inclined structure, one end of the slag discharging plate 8 extends to the outside of the screening mechanism 2, impurities can be prevented from being blocked in the device, and working smoothness is guaranteed.

Referring to fig. 3, hydraulic lifting devices 24 are fixedly installed at four corners between a fixed seat 22 and a movable seat 23, a third motor 25 is installed inside the movable seat 23, and an output shaft of the third motor 25 is connected with the bottom of a supporting seat 26, so that the grinding cone 20 realizes vertical movement on the premise of autorotation and is matched with the grinding cavity 21 to form grinding work on soil.

Referring to fig. 3, a plurality of first springs 27 are arranged in a rectangular array between the powder grinding cone 20 and the supporting seat 26, so as to avoid damage to the powder grinding cone 20 and the powder grinding cavity 21 caused by reaction force generated by harder impurities.

Referring to fig. 2 and 6, squeeze rollers 6 are rotatably mounted on two sides of the inside of the heating and crushing mechanism 4, a transmission mechanism 34 is arranged at the rear end of the heating and crushing mechanism 4, shafts at one end of the squeeze rollers 6 extend to the inside of the transmission mechanism 34, gears 35 are mounted at one end of the squeeze rollers 6, which is located inside the transmission mechanism 34, the gears 35 are in meshed connection, a fourth motor 36 is mounted on the outside of the transmission mechanism 34, and an output shaft of the fourth motor 36 is connected with one of the gears 35 through a coupling, so that squeezing and crushing of soil are achieved.

Referring to fig. 1, a cavity is formed in the squeeze roller 6, a steam inlet pipe 7 is mounted at the other end of the squeeze roller 6, one end of the steam inlet pipe 7 is connected to a steam generator, the other end of the steam inlet pipe 7 is rotationally connected with the squeeze roller 6, an exhaust hole is formed in the outer portion of the squeeze roller 6, guarantee is provided for follow-up grinding, soil losing moisture is difficult to adhere to the inner wall of the device, internal blockage is avoided, and later maintenance workload is reduced.

Referring to fig. 2, the screens 29 are all inclined, and the meshes of the upper screen 29 are smaller than those of the lower screen Fang Shaiwang, so that impurities in the soil can be reduced to the greatest extent under the action of the two layers of screens 29, and the subsequent repairing effect is improved.

Referring to fig. 2, a guide plate 15 is disposed below the lower screen plate assembly 13, the guide plate 15 is disposed obliquely, and one side of the guide plate 15 is fixed to the screening mechanism 2.

Working principle: when in use, the steam inlet pipe 7 is connected with the steam generator, the generated high-temperature steam can enter the extrusion roller 6 through the steam inlet pipe 7, so that the surface of the steam is kept at a higher temperature, soil blocks with water in the interior enter from the soil inlet 5, the fourth motor 36 is started, the output shaft of the fourth motor drives one gear 35 to rotate, the gear 35 drives the two extrusion rollers 6 to rotate inwards under the meshing action, so as to crush the soil, the extrusion roller 6 can heat the soil blocks during extrusion, the water in the soil blocks is quickly evaporated, the crushed soil is kept in a dry state, the dried soil enters the grinding mechanism 3, the hydraulic lifting device 24 is started, the grinding cone 20 above is driven to do vertical reciprocating motion, the grinding cone 20 can extrude the soil when moving upwards, the crushing effect is improved, and the third motor 25 is started, the output shaft of the device can drive the powder grinding cone 20 to rotate through the supporting seat 26, the grinding work of soil is formed under the cooperation of the surface of the device and the grinding cavity 21, then the device is used for screening in the screening mechanism 2 to remove the impurities in the soil, the chemical restoration reagent which is formed by calcium chloride, ferrous sulfate, oxidant, reducing agent and stabilizing agent in advance enters the stirring and conveying mechanism 10 from the chemical agent storage tank 12 through flow control, the second motor 18 is started, the output shaft drives the rotating shaft 16 to rotate, thereby driving the external helical blade 17 to rotate, the chemical restoration reagent is continuously pushed in the rotating process, the soil after screening enters the stirring and conveying mechanism 10 from the window when entering the screening mechanism 2, and is mixed with the chemical restoration reagent, so that the chemical restoration reagent and the soil are mutually stirred and mixed in the pushing process, thereby realizing the improvement of the saline-alkali soil, then when passing through the microorganism injection pipe 19, the microorganism reagent is conveyed to the microorganism injection pipe 19 through the microorganism conveying pipe 9 under the action of the conveying pump, finally microorganisms are injected into the soil through the microorganism injection pipe, organic matters in the soil are transformed, the soil quality and fertility are improved, and finally the repaired soil is discharged from the soil outlet pipe.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a soil prosthetic devices for environmental remediation, includes base (1), the fixed screening mechanism (2) that is provided with in top of base (1), the inside through connection of screening mechanism (2) has stirring conveying mechanism (10), soil exit tube (11) are installed to the below of stirring conveying mechanism (10) one side, the top of screening mechanism (2) is provided with grinding mechanism (3), the top of grinding mechanism (3) is provided with heating broken mechanism (4), the top of heating broken mechanism (4) is provided with soil import (5);

the method is characterized in that: further comprises:

the sieve plate assembly (13) is arranged above the inside of the sieve separating mechanism (2), the sieve plate assembly (13) is provided with two groups, each group of sieve plate assembly (13) consists of a first motor (14), a frame (28), a sieve plate (29), a leak hole (30) and an eccentric wheel (31), mounting grooves (32) are formed in two sides of the inside of the sieve separating mechanism (2), two ends of the frame (28) extend to the inside of the mounting grooves (32), the frame (28) is in sliding connection with the mounting grooves (32), the sieve plate (29) is fixed in the inside of the frame (28), the first motor (14) is fixedly arranged on the outer side of the sieve separating mechanism (2), an output shaft of the first motor (14) and a shaft of the eccentric wheel (31) are fixed through a coupling, and a second spring (33) is arranged between the mounting grooves (32) and the frame (28);

the grinding mechanism comprises a fixed seat (22), wherein the fixed seat (22) is arranged in the grinding mechanism (3), a movable seat (23) is slidably arranged in the fixed seat (22), a supporting seat (26) is rotatably arranged above the movable seat (23), a grinding cone (20) is slidably limited above the supporting seat (26), a grinding cavity (21) is formed in the inner wall of the grinding mechanism (3), and the grinding cavity (21) is matched with the outer grinding grains of the grinding cone (20).

2. A soil remediation device for environmental remediation according to claim 1 wherein: one side fixed mounting of stirring conveying mechanism (10) has second motor (18), the internally mounted of stirring conveying mechanism (10) has pivot (16), and the one end of pivot (16) is connected with the output shaft of second motor (18), the outside fixed mounting of pivot (16) has helical blade (17), one side of stirring conveying mechanism (10) up end is provided with chemical agent storage tank (12), passes through the pipe connection between chemical agent storage tank (12) and stirring conveying mechanism (10), and the externally mounted of pipeline has the flow valve, the one end that stirring conveying mechanism (10) are located the inside of branch sieve mechanism (2) is provided with three microorganism injection pipe (19), the upper end of microorganism injection pipe (19) is connected with microorganism conveyer pipe (9), and microorganism conveyer pipe (9) extend to the outside of branch sieve mechanism (2).

3. A soil remediation device for environmental remediation according to claim 1 wherein: one side of frame (28) inside is provided with leak (30), divide the below that screening mechanism (2) are located frame (28) one side to be provided with and arrange slag plate (8), arrange slag plate (8) and be the slope structure, and arrange slag plate (8) one end and extend to the outside that divides screening mechanism (2).

4. A soil remediation device for environmental remediation according to claim 1 wherein: the four corners between the fixed seat (22) and the movable seat (23) are fixedly provided with hydraulic lifting devices (24), a third motor (25) is arranged in the movable seat (23), and an output shaft of the third motor (25) is connected with the bottom of the supporting seat (26).

5. The soil remediation device for environmental remediation of claim 4, wherein: a plurality of first springs (27) are arranged between the grinding cone (20) and the supporting seat (26) in a rectangular array.

6. A soil remediation device for environmental remediation according to claim 1 wherein: the extrusion roller (6) is installed in all rotating of the inside both sides of heating broken mechanism (4), the rear end of heating broken mechanism (4) is provided with drive mechanism (34), and the axle of extrusion roller (6) one end all extends to the inside of drive mechanism (34), gear (35) are installed to the inside one end of extrusion roller (6) being located drive mechanism (34), and the meshing is connected between gear (35), the externally mounted of drive mechanism (34) has fourth motor (36), and the output shaft of fourth motor (36) and one of them gear (35) pass through the coupling joint.

7. The soil remediation device for environmental remediation of claim 6, wherein: the inside of squeeze roll (6) is equipped with the cavity, steam advances pipe (7) are all installed to the other end of squeeze roll (6), and one end that steam advances pipe (7) is connected to steam generator, and the other end that steam advances pipe (7) is connected with squeeze roll (6) rotation, the outside of squeeze roll (6) is equipped with the exhaust hole.

8. A soil remediation device for environmental remediation according to claim 1 wherein: the screens (29) are all obliquely arranged, and meshes of the screens (29) above are smaller than those of the screens (29) below.

9. A soil remediation device for environmental remediation according to claim 1 wherein: the lower part of the sieve plate component (13) is provided with a guide plate (15), the guide plate (15) is obliquely arranged, and one side of the guide plate (15) is fixed with the sieve separating mechanism (2).