CN114870939A

CN114870939A - Can avoid accumulational soil screening equipment for soil remediation of soil

Info

Publication number: CN114870939A
Application number: CN202210391383.4A
Authority: CN
Inventors: 李昱洁; 王刚; 王燕华; 毕进红; 董昭皆
Original assignee: Shandong Dibao Soil Remediation Technology Co ltd
Current assignee: Shandong Dibao Soil Remediation Technology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-09

Abstract

The invention relates to the technical field of soil remediation, in particular to soil screening equipment for soil remediation, which can avoid soil accumulation. The technical scheme comprises the following steps: screening plant main part with the feeder hopper that screening plant main part top was equipped with, be equipped with preliminary screening mechanism in the screening plant main part, preliminary screening mechanism is installed including rotating crushing roller subassembly and row in the screening plant main part are beaten the roller, crushing roller subassembly is located arrange and beat the roller top, preliminary screening mechanism still includes fixed mounting screening plant main part is used for driving outside the screening plant main part and rolls roller rotation drive assembly with arranging, the screening plant main part still is equipped with and is located preliminary screening mechanism below and prevents piling up the mechanism. Through the multi-step refining treatment, the condition of forming accumulation and agglomeration of the soil can be avoided, so that the effect of improving the soil remediation is ensured.

Description

Can avoid accumulational soil screening equipment for soil remediation of soil

Technical Field

The invention relates to the technical field of soil remediation, in particular to soil screening equipment for soil remediation, which can avoid soil accumulation.

Background

Soil remediation is a technical measure to restore normal function to contaminated soil. In the soil remediation industry, the existing soil remediation technologies can be more than one hundred, the common technologies can be more than ten, and the existing soil remediation technologies can be roughly divided into three methods, namely physical methods, chemical methods and biological methods. Since the 80 s in the 20 th century, many countries in the world, especially developed countries, have established and developed contaminated soil remediation and remediation programs, thus forming an emerging soil remediation industry. In soil remediation operations, soil needs to be screened.

However, the conventional screening work still has the following problems: 1. when the hardened soil is agglomerated, the problem of soil accumulation is often caused because the volume of the soil is large; 2. soil is when restoreing, and the mixture of soil and restoration agent is directly influenced to the refinement degree of soil to the soil refines the prosthetic effect of degree direct influence, often can make soil caking once more because piling up and broken incompletion of soil when soil is restoreed.

Disclosure of Invention

The invention aims to provide soil screening equipment for soil remediation, which can avoid soil accumulation and solve the problems in the background art.

The technical scheme of the invention is as follows: the soil screening equipment for soil remediation capable of avoiding soil accumulation comprises a screening device main body and a feeding hopper arranged at the top of the screening device main body, wherein a primary screening mechanism is arranged in the screening device main body and comprises a grinding roller assembly and a row beating roller which are rotatably arranged in the screening device main body, the grinding roller assembly is positioned above the row beating roller, the primary screening mechanism further comprises an anti-accumulation mechanism which is fixedly arranged outside the screening device main body and is used for driving the grinding roller assembly and the row beating roller to rotate and drive the assembly, the screening device main body is also provided with an anti-accumulation mechanism positioned below the primary screening mechanism, the anti-accumulation mechanism comprises two anti-accumulation assemblies, one ends of the anti-accumulation assemblies are respectively hinged to two sides of the screening device main body, the anti-accumulation mechanism further comprises an electric cylinder fixedly arranged at the bottom of the screening device main body, and a mounting frame is fixedly arranged at the pushing end of the electric cylinder, the other ends of the two anti-accumulation assemblies are respectively hinged with the mounting rack, and the mounting rack is fixedly provided with a filter plate positioned below the anti-accumulation assemblies.

Preferably, prevent piling up the subassembly include with the frame is piled up in the articulated preventing of screening plant main part, prevent piling up the subassembly still include with the mounting bracket is articulated prevents piling up the board, prevent that the both sides of piling up the frame have all seted up the spout, prevent the equal fixed mounting in both sides of piling up the board and have the slide, slide slidable mounting is in the spout, prevent piling up the frame with prevent piling up and be equipped with the subassembly in small, broken bits between the board.

Preferably, the fine crushing subassembly is including seting up prevent the mounting panel of stack frame both sides, the mounting panel with the spout intercommunication, the fine crushing subassembly still includes fixed mounting and is in slide below with a plurality of teeth of fixed mounting, the mounting panel internal rotation install two with the second gear of tooth looks adaptation, both sides fixed mounting has the second to roll up the roller between the second gear.

Preferably, prevent the stack frame with prevent that the stacking plate has all seted up the screening hole, the both sides of preventing the stack frame all are equipped with the screening hole, the middle part of preventing the stack frame is equipped with the confession prevent the region that the stacking plate got into, prevent that the stack assembly is located arrange the below of beating the roller, prevent that the stack assembly is located the below of electronic jar.

Preferably, preliminary screening mechanism still includes fixed mounting and is in motor in the drive assembly, crushing roller subassembly fixed mounting has first drive shaft, arrange and beat roller fixed mounting and have the second drive shaft, first drive shaft with the second drive shaft is all rotated and is installed in the drive assembly, the output of motor the second drive shaft with first drive shaft all is equipped with the belt pulley, and is adjacent be equipped with the belt between the belt pulley.

Preferably, the first drive shaft and the second drive shaft all run through drive assembly, fixed mounting has the mounting panel in the drive assembly, the first drive shaft with the second drive shaft all rotates and installs on the mounting panel.

Preferably, the crushing roller subassembly includes first crushing roller and second crushing roller, first drive shaft fixed mounting be in on the first crushing roller, second crushing roller fixed mounting has the rotation to be installed third drive shaft in the drive assembly, first drive shaft with the equal fixed mounting of third drive shaft has the gear, two the gear intermeshing, last still fixed mounting of drive assembly has controlling means, the motor with the controlling means electricity is connected.

Preferably, the atomizing nozzle is fixedly mounted in the screening device main body, the water tank is fixedly mounted on the outer side of the screening device main body, the water tank is communicated with the water pipe between the atomizing nozzles, and the water pump is arranged in the water tank.

Preferably, the soil outlet has been seted up to the bottom of screening plant main part, the top of screening plant main part is equipped with the gas vent, be equipped with the water inlet on the water tank.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the crushing roller assembly and the row beating roller are arranged in the screening device main body, so that the agglomerated soil can be subjected to fine crushing treatment preliminarily to be reduced, the effect of preliminarily avoiding accumulation is achieved, the crushing roller assembly can crush the soil, the crushed soil can be subjected to striking and crushing by the row beating roller with the volume still larger, the soil falling onto the accumulation preventing assembly can be subjected to final refining treatment, and through the multi-step refining treatment, the condition that the soil is accumulated to form an accumulation agglomerate can be avoided, so that the effect of improving soil remediation is ensured.

2. In the invention, when soil falls into the accumulation preventing component, the accumulation preventing plate can move upwards by starting the mounting frame, so that subdivided soil is inspected through the screening holes, the soil which reaches the standard is refined and falls, when the soil does not reach the standard, the soil which does not reach the standard can be lifted through the rapid rising and falling of the mounting frame, and the soil is beaten and crushed through the beating rollers again, so that the soil can be comprehensively refined, and after the soil enters the accumulation preventing frame, when the accumulation preventing plate enters the accumulation preventing frame, the soil can be finely crushed through the fine crushing component to drive the two second crushing rollers to finely crush again, so that the soil is removed again, and the soil which can smoothly pass through the filter plate is refined and qualified soil.

3. In the invention, when soil falls into the anti-accumulation assembly, dust is generated after large soil is refined, and the dust is larger due to the beating of the row beating rollers, and the atomized water can play a dust settling effect due to the fact that water is injected into the water tank and is discharged through the atomizing nozzle.

Drawings

FIG. 1 is a schematic diagram of the structure of one embodiment of the present invention;

FIG. 2 is a schematic view of the anti-accumulation assembly of FIG. 1;

FIG. 3 is a schematic diagram of the construction of the fine crushing assembly of FIG. 2;

FIG. 4 is a schematic diagram of the construction of the fine crushing assembly of FIG. 3;

FIG. 5 is a schematic structural view of the drive assembly of FIG. 1;

FIG. 6 is a schematic structural view of the grinding roll assembly of FIG. 5;

fig. 7 is a side view of the structure of fig. 1.

Reference numerals: 1. a screening device main body; 2. screening the machine case; 3. a preliminary screening mechanism; 4. an anti-accumulation mechanism; 5. an exhaust port; 6. a soil outlet; 7. an atomizing spray head; 8. a water tank; 9. a water pipe; 10. a fine crushing assembly; 11. mounting a plate; 12. (ii) a 13. Teeth; 14. a second gear; 15. a second crushing roller; 16. a feed hopper; 31. a grinding roll assembly; 32. arranging and beating rollers; 33. a drive assembly; 34. a control device; 35. a motor; 36. a first drive shaft; 37. a second drive shaft; 38. a belt pulley; 39. a belt; 311. a first crushing roller; 312. a second crushing roller; 313. a third drive shaft; 314. a gear; 42. an anti-accumulation assembly; 44. an electric cylinder; 45. a mounting frame; 46. a filter plate; 47. mounting a column; 421. an anti-stacking frame; 422. an anti-stacking plate; 423. a screening well; 424. a placement area; 425. a slide plate; 426. a chute.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1, 5, 6 and 7, a soil screening device for soil remediation capable of avoiding soil accumulation comprises a screening device main body 1 and a feed hopper 16 arranged at the top of the screening device main body 1, wherein a primary screening mechanism 3 is arranged in the screening device main body 1, the primary screening mechanism 3 comprises a crushing roller assembly 31 and a beating roller 32 which are rotatably arranged in the screening device main body 1, the crushing roller assembly 31 is positioned above the beating roller 32, the primary screening mechanism 3 further comprises a driving assembly 33 which is fixedly arranged outside the screening device main body 1 and is used for driving the crushing roller assembly 31 and the beating roller 32 to rotate, soil is firstly and simply extruded and crushed through the crushing roller assembly 31, large soil blocks are preliminarily reduced, and then the crushed soil blocks are knocked again through the beating roller 32 to be reduced;

the primary screening mechanism 3 further comprises a motor 35 fixedly installed in the driving assembly 33, a first driving shaft 36 is fixedly installed on the crushing roller assembly 31, a second driving shaft 37 is fixedly installed on the row beating roller 32, the first driving shaft 36 and the second driving shaft 37 are both rotatably installed in the driving assembly 33, belt pulleys 38 are respectively arranged at the output end of the motor 35, the second driving shaft 37 and the first driving shaft 36, a belt 39 is arranged between the adjacent belt pulleys 38, two belt pulleys 38 are arranged on the second driving shaft 37, the second driving shaft 37 is driven to rotate by the rotation of the motor 35, the first driving shaft 36 is driven to rotate by the rotation of the second driving shaft 37, the first driving shaft 36 and the second driving shaft 37 both penetrate through the driving assembly 33, a mounting plate is fixedly installed in the driving assembly 33, the first driving shaft 36 and the second driving shaft 37 are both rotatably installed on the mounting plate, the crushing roller assembly 31 comprises a first crushing roller 311 and a second crushing roller 312, the first driving shaft 36 is fixedly arranged on the first crushing roller 311, the second crushing roller 312 is fixedly arranged with a third driving shaft 313 which is rotatably arranged in the driving assembly 33, the first driving shaft 36 and the third driving shaft 313 are both fixedly arranged with gears 314, the two gears 314 are meshed with each other, the third driving shaft 313 penetrates through the driving assembly 33, the third driving shaft 313 is rotatably arranged on the mounting plate, the third driving shaft 313 and the first driving shaft 36 are the same in size, the other ends of the first crushing roller 311 and the second crushing roller 312 are both rotatably arranged on the side wall of the screening device main body 1, the driving assembly 33 is also fixedly arranged with a control device 34, the motor 35 is electrically connected with the control device 34, in the embodiment, the motor 35 is also electrically connected with the electric cylinder 44 and the water pump;

fixed mounting has atomizer 7 in screening plant

main part

1, 1 outside fixed mounting of screening plant main part has water tank 8, intercommunication water pipe 9 between water tank 8 and the atomizer 7, be equipped with the water pump in the water tank 8, soil can produce a large amount of dusts when adding man-hour, can spray through atomizer 7 toward screening plant main part 1 in through this kind of setting and carry out the dust fall, soil outlet 6 has been seted up to the bottom of screening plant main part 1, the top of screening plant main part 1 is equipped with gas vent 5, be equipped with the water inlet on the water tank 8.

The soil screening equipment for soil remediation, which can avoid soil accumulation based on the first embodiment, has the working principle that: when the screening device is used, soil is input into the screening device main body 1 from the anti-accumulation mechanism 4, the soil can firstly pass through the crushing roller assembly 31, the soil can pass between the two second crushing rollers 312, the starting motor 35 drives the second driving shaft 37 to rotate through the belt pulley 38, the second driving shaft 37 rotates to drive the row-beating roller 32 to rotate, the second driving shaft 37 rotates to drive the first driving shaft 36 to rotate through the belt pulley 38 again, the first driving shaft 36 rotates to drive the first crushing roller 311 to rotate, the two gears 314 are meshed, the second crushing roller 312 also rotates when the first driving shaft 36 rotates, so that the soil can be crushed through rolling when passing between the two second crushing rollers 312, the crushed soil can be arranged and beaten through the row-beating roller 32, the soil is crushed again, and a primary refining effect is formed;

when soil falls into and prevents piling up subassembly 42 in-process, because the bold soil can produce the dust after being refined, it is bigger to make the dust in addition to arrange the slapping of beating roller 32, because through pouring into the water source in the water tank 8, discharges through atomizer 7 for the water after the atomizing can play the effect of dust fall.

Example two

Referring to fig. 1, 2, 3 and 4, based on the first embodiment, the screening device main body 1 is further provided with an anti-stacking mechanism 4 located below the primary screening mechanism 3, the anti-stacking mechanism 4 includes two anti-stacking components 42 with one ends hinged to two sides of the screening device main body 1 respectively, the anti-stacking mechanism 4 further includes an electric cylinder 44 fixedly installed at the bottom of the screening device main body 1, a mounting bracket 45 is fixedly installed at a pushing end of the electric cylinder 44, the other ends of the two anti-stacking components 42 are hinged to the mounting bracket 45 respectively, the cross-sectional area of the anti-stacking frame 421 is larger than that of the anti-stacking plate 422, when the mounting bracket 45 pushes, the anti-stacking plate 422 enters the anti-stacking frame 421, and the mounting bracket 45 is fixedly installed with a filter plate 46 located below the anti-stacking components 42;

the anti-accumulation assembly 42 comprises an anti-accumulation frame 421 hinged with the screening device main body 1, the anti-accumulation assembly 42 further comprises an anti-accumulation plate 422 hinged with the mounting frame 45, sliding grooves 426 are formed in two sides of the anti-accumulation frame 421, sliding plates 425 are fixedly mounted on two sides of the anti-accumulation plate 422, the sliding plates 425 are slidably mounted in the sliding grooves 426, through the arrangement, the anti-accumulation plate 422 can slide in the anti-accumulation frame 421, the anti-accumulation plate 422 enters the anti-accumulation frame 421, screening holes 423 are formed in the upper and lower sides of the anti-accumulation frame 421, the screening holes 423 can screen soil blocks with larger volumes, in the embodiment, the anti-accumulation plate 422 enters the anti-accumulation frame 421 and can extrude and crush soil entering the interior of the anti-accumulation frame 421 again to reduce the volume of the soil blocks again, a fine crushing assembly 10 is arranged between the anti-accumulation frame 421 and the anti-accumulation plate 422, the fine crushing assembly 10 comprises mounting plates 11 arranged on two sides of the anti-accumulation frame 421, the mounting plate 11 is communicated with the chute 426, the fine crushing assembly 10 further comprises a plurality of teeth 13 fixedly mounted on 12 and 12 below the sliding plate 425, two second gears 14 matched with the teeth 13 are rotatably mounted in the mounting plate 11, and second crushing rollers 15 are fixedly mounted between the second gears 14 at two sides, when the fine crushing assembly is used, when the electric cylinder 44 pushes the mounting column 47, the anti-accumulation plate 422 can slide into the anti-accumulation frame 421, at the moment, the teeth 13 can be engaged with the second gears 14 in movement, the second gears 14 can rotate, so that the two second crushing rollers 15 can enter the soil blocks in the anti-accumulation frame 421 again to crush, the soil blocks are finer and are not likely to be accumulated, the screening holes 423 are formed in the anti-accumulation frame 421 and the anti-accumulation plate 422, the screening holes 423 are formed in two sides of the anti-accumulation frame 421, the area for the anti-accumulation plate 422 to enter is formed in the middle of the anti-accumulation frame 421, the anti-accumulation assembly 42 is positioned below the beating rollers 32, the anti-accumulation assembly 42 is positioned below the electric cylinder 44, and the diameter of the filter holes on the filter plate 46 is smaller than that of the screening holes 423.

In this embodiment, when the soil falls into the anti-stacking component 42, the mounting frame 45 is started to push 47, so that the anti-stacking plate 422 moves upwards, when the mounting column 47 moves upwards, the anti-stacking plate 422 is driven to move, at this time, the soil after preliminary refinement passes through the screening hole 423, the refined up-to-standard soil falls down, when the soil does not reach the standard, the soil which does not reach the standard can be lifted up by the rapid lifting of the mounting frame 45, the soil is beaten and crushed again by the beating roller 32, at this time, a part of the soil enters the anti-stacking frame 421, after the soil enters the anti-stacking frame 421, when the anti-stacking plate 422 enters the anti-stacking frame 421, the sliding plate 425 moves in the sliding groove 426, the sliding plate 425 moves to drive the sliding plate 12 to enter the mounting plate 11, when the sliding plate 12 moves continuously, the teeth 13 are engaged with the second gear 14, and the second gear 14 can rotate along with the continuous movement of the sliding plate 12, the two second crushing rollers 15 can be driven by the fine crushing assembly 10 to perform fine crushing treatment on the soil again, so that the soil can be removed again, and the soil which can smoothly pass through the filter plate 46 is the refined qualified soil.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a can avoid accumulational soil of soil to restore and use soil screening equipment, including screening plant main part (1) and feeder hopper (16) that screening plant main part (1) top was equipped with, its characterized in that: the screening device comprises a screening device body (1), wherein a primary screening mechanism (3) is arranged in the screening device body (1), the primary screening mechanism (3) comprises a grinding roller assembly (31) and a row beating roller (32) which are rotatably installed in the screening device body (1), the grinding roller assembly (31) is positioned above the row beating roller (32), the primary screening mechanism (3) further comprises a driving assembly (33) which is fixedly installed outside the screening device body (1) and is used for driving the grinding roller assembly (31) and the row beating roller (32) to rotate, and an accumulation preventing mechanism (4) positioned below the primary screening mechanism (3) is further arranged on the screening device body (1);

prevent piling up mechanism (4) and include that two one end articulate respectively prevent piling up subassembly (42) of screening plant main part (1) both sides, prevent piling up mechanism (4) still including fixed mounting in electronic jar (44) of screening plant main part (1) bottom, the promotion end fixed mounting of electronic jar (44) has mounting bracket (45), two prevent piling up the other end of subassembly (42) respectively with mounting bracket (45) are articulated, mounting bracket (45) fixed mounting has filter (46) that are located and prevent piling up subassembly (42) below.

2. The soil screening equipment for soil remediation that can avoid soil accumulation as claimed in claim 1, wherein the accumulation preventing component (42) comprises an accumulation preventing frame (421) hinged to the screening device body (1), the accumulation preventing component (42) further comprises an accumulation preventing plate (422) hinged to the mounting frame (45), sliding grooves (426) are formed in both sides of the accumulation preventing frame (421), sliding plates (425) are fixedly mounted on both sides of the accumulation preventing plate (422), the sliding plates (425) are slidably mounted in the sliding grooves (426), and the accumulation preventing frame (421) and the accumulation preventing plate (422) are provided with the fine crushing component (10) therebetween.

3. The soil screening equipment for soil remediation that can avoid soil accumulation as claimed in claim 2, wherein said fine crushing component (10) comprises a mounting plate (11) provided on both sides of said accumulation prevention frame (421), said mounting plate (11) and said chute (426) are communicated, said fine crushing component (10) further comprises a plurality of teeth (13) fixedly mounted on (12) below said sliding plate (425) and said (12), two second gears (14) adapted to said teeth (13) are rotatably mounted on said mounting plate (11), and a second crushing roller (15) is fixedly mounted between said second gears (14) on both sides.

4. The soil screening device capable of avoiding soil accumulation for soil remediation according to claim 3, wherein the anti-accumulation frame (421) and the anti-accumulation plate (422) are provided with screening holes (423), the two sides of the anti-accumulation frame (421) are provided with screening holes (423), the middle of the anti-accumulation frame (421) is provided with an area for the anti-accumulation plate (422) to enter, the anti-accumulation assembly (42) is located below the beating roller (32), and the anti-accumulation assembly (42) is located below the electric cylinder (44).

5. A soil screening apparatus for soil remediation as claimed in claim 1, wherein said primary screening means (3) further comprises a motor (35) fixedly mounted within said drive assembly (33), said crushing roller assembly (31) is fixedly mounted with a first drive shaft (36), said beating roller (32) is fixedly mounted with a second drive shaft (37), said first drive shaft (36) and said second drive shaft (37) are rotatably mounted within said drive assembly (33), the output of said motor (35), said second drive shaft (37) and said first drive shaft (36) are provided with belt pulleys (38), and a belt (39) is provided between adjacent said belt pulleys (38).

6. A soil screening apparatus for soil remediation as claimed in claim 5, wherein said first drive shaft (36) and said second drive shaft (37) both extend through said drive assembly (33), a mounting plate is fixedly mounted within said drive assembly (33), and said first drive shaft (36) and said second drive shaft (37) are both rotatably mounted on said mounting plate.

7. A soil screening apparatus for soil remediation as claimed in claim 6, wherein said grinding roller assembly (31) comprises a first grinding roller (311) and a second grinding roller (312), said first drive shaft (36) is fixedly mounted on said first grinding roller (311), said second grinding roller (312) is fixedly mounted with a third drive shaft (313) rotatably mounted in said drive assembly (33), said first drive shaft (36) and said third drive shaft (313) are both fixedly mounted with a gear (314), said two gears (314) are engaged with each other, said drive assembly (33) is also fixedly mounted with a control device (34), and said motor (35) and said control device (34) are electrically connected.

8. The soil screening device capable of avoiding soil accumulation for soil remediation according to claim 1, wherein an atomizing nozzle (7) is fixedly installed in the screening device body (1), a water tank (8) is fixedly installed on the outer side of the screening device body (1), a water pipe (9) is communicated between the water tank (8) and the atomizing nozzle (7), and a water pump is arranged in the water tank (8).

9. The soil screening device capable of avoiding soil accumulation for soil remediation according to claim 8, wherein a soil outlet (6) is formed in the bottom of the screening device body (1), an air outlet (5) is formed in the top of the screening device body (1), and a water inlet is formed in the water tank (8).