CN216800646U

CN216800646U - Efficient screening and selecting device for contaminated soil

Info

Publication number: CN216800646U
Application number: CN202123128478.7U
Authority: CN
Inventors: 张瑞翔
Original assignee: Jiangsu Yungang Environmental Remediation Co ltd
Current assignee: Jiangsu Yungang Environmental Remediation Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-06-24
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a high-efficiency screening and selecting device for polluted soil, which relates to the field of soil pollution control and comprises a box body and a box cover buckled and installed at an opening position on the upper surface of the box body through a lock catch, wherein three installation frames are sequentially installed in the box body in a stepped manner in a sliding manner in an inclined manner, a screening frame is movably arranged in each installation frame, and a plurality of screening rods are installed in each screening frame; through setting up the screening frame that three cascaded was laid, utilize the elastic action of fixture block cooperation spring two to screen the frame and install on the installing frame, cooperation eccentric wheel rotates and orders about the installing frame with spring elastic action and drive the screening frame and carry out up-and-down motion, and screen under the screening pole effect that the intensity is different, the effect of high-efficient screening selecting materials has been reached, moreover, the steam generator is simple in structure, and convenient for operate, and be convenient for dismantle the screening frame after screening and take out, be convenient for get the material, perfect the various room of function, reach the purpose of high-efficient vibrations screening.

Description

Efficient screening and selecting device for contaminated soil

Technical Field

The utility model relates to the field of soil pollution treatment, in particular to a high-efficiency screening and selecting device for polluted soil.

Background

Soil pollutants can be broadly divided into two broad categories, inorganic pollutants and organic pollutants. The inorganic pollutants mainly comprise acid, alkali, heavy metal, salt, compounds of radioactive elements cesium and strontium, compounds containing arsenic, selenium and fluorine and the like. The organic pollutants mainly comprise organic pesticides, phenols, cyanides, petroleum, synthetic detergents, 3, 4-benzopyrene, harmful microorganisms brought by municipal sewage, sludge and manure, and the like. When the soil contains excessive harmful substances and exceeds the self-cleaning capacity of the soil, the composition, the structure and the function of the soil are changed, the activity of microorganisms is inhibited, and the harmful substances or decomposition products thereof are gradually accumulated in the soil and are absorbed by the human body through the soil → plants → the human body or through the soil → water → the human body indirectly, so that the degree of harming the health of the human body is reached, namely the soil pollution.

The current lacks effectual screening mechanism to polluting soil, can not carry out high-efficient differentiation beneficiating to the big or small granule in the polluted soil, brings the influence for the improvement work of polluting soil, and the screening in-process is difficult to handle the dust and the peculiar smell that splash, and the function is imperfect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficiency screening and selecting device for polluted soil, which solves the problems that the existing screening mechanism for the polluted soil is lack, the efficient screening and selecting of large and small particles in the polluted soil cannot be realized, the treatment work of the polluted soil is influenced, splashed dust and peculiar smell are difficult to treat in the screening process, and the function is incomplete.

In order to achieve the purpose, the utility model adopts the following technical scheme: a high-efficiency screening and selecting device for polluted soil comprises a box body and a box cover which is arranged at an opening position on the upper surface of the box body in a buckling mode through a lock catch, wherein three installation frames are sequentially arranged in the box body in a sliding mode in an inclined mode, a screening frame is movably arranged in the installation frames, a plurality of screening rods are arranged in the screening frame, screening channels are formed between every two screening rods in the same screening frame, the density degree of the three screening rods in the screening frame is sequentially increased from top to bottom, a screening driving mechanism for driving the installation frames to drive the screening frame to move up and down is arranged on the box body, a discharge port is formed in the right side surface of the box body, a blanking plate is obliquely and downwards arranged at a position right side surface of the box body opposite to the discharge port, a fan is arranged on the upper surface of the box cover, an air inlet pipe of the fan extends into the box body and is fixedly provided with an air exhaust hood, an air outlet cylinder is installed on an air outlet pipe of the fan, and an air inlet is formed in the back face of the box body.

In the above scheme, it should be noted that the motor and the fan are both electrically connected to an external power supply.

As a preferable scheme of the utility model, two sliding blocks are fixed on the front side surface and the rear side surface of the mounting frame, sliding grooves are formed in the front side surface and the rear side surface of the inner wall of the box body, the sliding blocks are slidably mounted on the inner side wall of the sliding grooves, and a first spring connected with the sliding blocks is mounted in the sliding grooves.

As a preferred scheme of the utility model, mounting plates are fixed on the front side and the rear side of the upper surface of the screening frame, a fixing block is mounted on the upper surface of the mounting frame, a guide rod penetrates through the fixing block in a sliding manner, an operating plate and a clamping block are fixed at two ends of the guide rod respectively, a clamping groove for the clamping block to be clamped is formed in the side surface of the mounting plate, and a second spring with two ends connected with the fixing block and the clamping block respectively is sleeved on the outer surface of the guide rod.

As a preferable scheme of the utility model, the screening driving mechanism comprises three rotating shafts rotatably arranged in the box body, an eccentric wheel arranged on the outer surface of each rotating shaft, a supporting plate arranged on the lower surface of the mounting frame and attached to the peripheral side surface of the eccentric wheel, and a motor arranged on the back surface of the box body and having an output shaft connected with one end part of one rotating shaft, wherein belt pulleys are fixed on the end parts of the three rotating shafts, and the three belt pulleys are in transmission connection through belts.

As a preferable scheme of the utility model, inclined guide plates are installed on the left side surfaces of two installation frames at the lower part in the box body, a partition plate is arranged between two adjacent installation frames, and the partition plate is installed on the inner wall of the box body.

As a preferred scheme of the utility model, the lower surface of the air outlet cylinder is in an open shape, the air outlet cylinder is provided with a bolt in a threaded manner and is provided with an installation ring through the bolt, and the inner wall of the installation ring is sequentially provided with a filter screen and an activated carbon screen from top to bottom.

In the utility model:

the efficient screening and sorting device for the polluted soil is provided with the three screening frames which are arranged in a stepped mode, the screening frames are installed on the installation frame through the clamping blocks matched with the elastic action of the spring II, the installation frame is driven to drive the screening frames to do up-and-down reciprocating motion through the matching of the rotation of the eccentric wheel and the elastic action of the spring I, screening is performed under the action of the screening rods with different densities, the efficient screening and sorting effect is achieved, the structure is simple, the operation is convenient, the screened screening frames can be conveniently detached and taken out, and materials can be conveniently taken;

this high-efficient screening sorting device to polluting soil is through setting up the fan cooperation and taking out dirt cover and use, can extract dust and the peculiar smell that splashes among the screening process, and the dust filters through the filter screen, and the peculiar smell adsorbs through the active carbon net, and then can avoid raise dust and the unpleasant phenomenon of peculiar smell, effectively guarantees operational environment's good, perfect functional diversity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a schematic view of a half section of the present invention;

FIG. 4 is a schematic view of the half-section of the present invention;

FIG. 5 is a schematic view of the construction of the screening frame of the present invention;

FIG. 6 is a schematic structural view of a section of an air outlet duct according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 5.

In the figure: 1. a box body; 2. a box cover; 3. installing a frame; 4. a slider; 5. a first spring; 6. screening the frame; 7. a screening rod; 8. mounting a plate; 9. a fixed block; 10. a guide bar; 11. a clamping block; 12. a second spring; 13. a support plate; 14. a rotating shaft; 15. an eccentric wheel; 16. an inclined guide plate; 17. a belt pulley; 18. a belt; 19. a fan; 20. an air extraction hood; 21. an air outlet cylinder; 22. a mounting ring; 23. a bolt; 24. filtering with a screen; 25. an activated carbon mesh; 26. a partition plate; 27. a blanking plate; 28. an electric motor.

Detailed Description

Examples

Referring to fig. 1-7, the utility model provides a high-efficiency screening and selecting device for contaminated soil, which comprises a box body 1 and a box cover 2 mounted at an opening position on the upper surface of the box body 1 in a buckling manner through a lock catch, wherein three mounting frames 3 are sequentially mounted in the box body 1 in a stepped manner in a sliding manner obliquely downwards, two sliders 4 are fixed on the front side surface and the rear side surface of each mounting frame 3, sliding grooves are formed in the front side surface and the rear side surface of the inner wall of the box body 1, the sliders 4 are slidably mounted on the inner side wall of the sliding grooves, springs 5 connected with the sliders 4 are mounted in the sliding grooves, the mounting frames 3 can be supported by the sliding of the sliders 4 in the sliding grooves, so that the mounting frames 3 are good in stability and not prone to incline in the up-down movement process, and a reset effect can be exerted on the movement of the mounting frames 3 by the arrangement of the springs 5, and the stability of the up-down movement of the mounting frames 3 is better.

The inside activity of installing frame 3 is provided with screening frame 6, both sides all are fixed with mounting panel 8 around screening frame 6 upper surface, the last surface mounting of installing frame 3 has fixed block 9, it has guide arm 10 to slide to run through on fixed block 9, the both ends of guide arm 10 are fixed with operation panel and fixture block 11 respectively, the draw-in groove that supplies fixture block 11 card to go into is seted up to mounting panel 8's side, the surface cover of guide arm 10 is equipped with two springs 12 that both ends are connected with fixed block 9 and fixture block 11 respectively, the reverse effort that utilizes two springs 12 atress deformation to produce orders about guide arm 10 and drives fixture block 11 motion, fixture block 11 and draw-in groove cooperation are used the connection equipment that realizes installing frame 3 and screening frame 6, moreover, the steam generator is simple in structure, and is convenient for carrying out the dismouting operation.

A plurality of screening rods 7 are arranged in the screening frame 6, screening channels are formed between every two screening rods 7 in the same screening frame 6, the density of the screening rods 7 in the three screening frames 6 is sequentially increased from top to bottom, a screening driving mechanism for driving the mounting frame 3 to drive the screening frame 6 to move up and down is arranged on the box body 1, the screening driving mechanism comprises three rotating shafts 14 rotatably arranged in the box body 1, eccentric wheels 15 arranged on the outer surfaces of the rotating shafts 14, supporting plates 13 arranged on the lower surfaces of the mounting frames 3 and attached to the circumferential side surfaces of the eccentric wheels 15, a motor 28 arranged on the back surface of the box body 1 and having an output shaft connected with the end part of one rotating shaft 14, belt pulleys 17 are fixed at the end parts of the three rotating shafts 14, the three belt pulleys 17 are in transmission connection through belts 18, and the three rotating shafts 14 are synchronously rotated by the cooperation of the belt pulleys 17 and the belts 18, and then the eccentric wheel 15 is rotated to drive the mounting frame 3 to move up and down, so that the effect of efficient vibration screening is achieved.

The inclined guide plate 16 is installed on the left side face of two installation frames 3 below in the box body 1, a partition plate 26 is arranged between two adjacent installation frames 3, the partition plate 26 is installed on the inner wall of the box body 1, the inclined guide plate 16 can receive, guide and convey materials falling from the two screening frames 6 above, scattering is avoided, and the materials can be prevented from falling from the right sides of the screening frames 6 through the arrangement of the partition plate 26.

The discharge gate has been seted up to the right flank of box 1 and the box 1 right flank is just to the position department slope of discharge gate and is installed down flitch 27 downwards, surface mounting has fan 19 on the case lid 2, fan 19's air-supply line extends to box 1 inside and is fixed with exhaust hood 20, play chimney 21 is installed to fan 19's play tuber pipe, the inlet port has been seted up at the box 1 back, play chimney 21 lower surface is the opening form, bolt 23 and install collar 22 through bolt 23 are installed to the threaded mounting on play chimney 21, filter screen 24 and activated carbon net 25 are installed in proper order to collar 22 inner wall top-down, utilize bolt 23 to install collar 22, moreover, the steam generator is simple in structure, convenient to detach, utilize filter screen 24 to filter the dust, utilize activated carbon net 25 to adsorb the peculiar smell, guarantee operational environment's good.

The working principle is as follows: the lock catch is opened to take down the box cover 2, the polluted soil to be screened is poured into the leftmost screening frame 6, the box cover 2 is closed to be locked, the motor 28 and the fan 19 are started, the motor 28 drives one of the rotating shafts 14 to rotate, the other two rotating shafts 14 synchronously rotate under the action of the belt pulley 17 and the belt 18 to drive the eccentric wheel 15 to rotate, so that the mounting frame 3 is driven to reciprocate up and down, the screening frame 6 is driven to reciprocate up and down to realize vibration screening, the largest particles are left on the screening frame 6 on the left side, the small materials fall down and enter the screening frame 6 at the middle position under the action of the inclined guide plate 16, the small materials fall down and enter the screening frame 6 on the right side, then the smallest materials are discharged from the discharge plate 27, and meanwhile, the fan 19 extracts splashed dust and peculiar smell through the suction hood 20 and enters the air outlet barrel 21 in the screening process, utilize filter screen 24 to filter the dust, utilize activated carbon net 25 to carry out the peculiar smell and adsorb the back and discharge, open the hasp and take off case lid 2 after the screening finishes, the pulling operation panel drives the motion of guide arm 10, and guide arm 10 drives fixture block 11 and breaks away from the draw-in groove and removes the fixed to screening frame 6, and upward lifting draws installing frame 3 just can take out the material.

Claims

1. The utility model provides a high-efficient screening material selecting device to contaminated soil, its characterized in that, include box (1) and install case lid (2) in box (1) upper surface open position department through the hasp lock, it has three installing frame (3) to be ladder form in box (1) in proper order to slide down, the inside activity of installing frame (3) is provided with screening frame (6), screening frame (6) internally mounted has a plurality of screening pole (7), and two liang of screening passageways that form between a plurality of screening pole (7) in same screening frame (6), and is three screening pole (7) intensive degree in screening frame (6) from last down increase in proper order, be provided with on box (1) and be used for ordering about installing frame (3) and drive screening actuating mechanism that screening frame (6) carried out the up-and-down motion, the right flank of box (1) is seted up the discharge gate and box (1) right flank is just to the position department slope of discharge gate of installation downwards There is flitch (27) down, surface mounting has fan (19) on case lid (2), the air-supply line of fan (19) extends to inside and be fixed with exhaust hood (20) of box (1), play tuber pipe of fan (19) is installed play dryer (21), the inlet port has been seted up at box (1) back.

2. The efficient screening and sorting device for the polluted soil according to claim 1, wherein two sliding blocks (4) are fixed on the front side surface and the rear side surface of the mounting frame (3), sliding grooves are formed in the front side surface and the rear side surface of the inner wall of the box body (1), the sliding blocks (4) are slidably mounted on the inner side wall of the sliding grooves, and first springs (5) connected with the sliding blocks (4) are mounted in the sliding grooves.

3. The efficient screening and sorting device for the polluted soil according to claim 1, wherein mounting plates (8) are fixed to the front side and the rear side of the upper surface of the screening frame (6), fixing blocks (9) are mounted on the upper surface of the mounting frame (3), guide rods (10) penetrate through the fixing blocks (9) in a sliding mode, operating plates and clamping blocks (11) are fixed to the two ends of the guide rods (10) respectively, clamping grooves for the clamping blocks (11) to be clamped in are formed in the side surfaces of the mounting plates (8), and springs (12) with two ends connected with the fixing blocks (9) and the clamping blocks (11) respectively are sleeved on the outer surface of the guide rods (10).

4. The efficient screening and sorting device for the polluted soil according to claim 1, wherein the screening driving mechanism comprises three rotating shafts (14) rotatably installed in the box body (1), an eccentric wheel (15) installed on the outer surface of each rotating shaft (14), a supporting plate (13) installed on the lower surface of the installation frame (3) and attached to the peripheral side face of the eccentric wheel (15), and a motor (28) installed on the back face of the box body (1) and having an output shaft connected with the end of one rotating shaft (14), belt pulleys (17) are fixed to the end portions of the three rotating shafts (14), and the three belt pulleys (17) are in transmission connection through belts (18).

5. The efficient screening and sorting device for the polluted soil according to claim 1, wherein inclined guide plates (16) are mounted on the left side faces of two mounting frames (3) on the inner lower portion of the box body (1), a partition plate (26) is arranged between every two adjacent mounting frames (3), and the partition plate (26) is mounted on the inner wall of the box body (1).

6. The efficient screening and sorting device for the polluted soil according to claim 1, wherein the lower surface of the air outlet cylinder (21) is open, a bolt (23) is installed on the air outlet cylinder (21) in a threaded manner, an installation ring (22) is installed on the bolt (23), and a filter screen (24) and an activated carbon net (25) are sequentially installed on the inner wall of the installation ring (22) from top to bottom.