CN213195043U

CN213195043U - Device for repairing soil heavy metal

Info

Publication number: CN213195043U
Application number: CN202021454065.0U
Authority: CN
Inventors: 赵希锦; 张健; 邱金建; 程应; 冉睿予; 梁化学
Original assignee: Sichuan Jinmei Environmental Protection Co ltd
Current assignee: Sichuan Jinmei Environmental Protection Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-05-14
Anticipated expiration: 2030-07-21

Abstract

The utility model relates to the field of soil remediation devices, and discloses a device for remedying heavy metals in soil, which comprises a leaching device, a mixing device and a bracket for supporting the leaching device and the mixing device, wherein the leaching device and the mixing device are communicated and connected through a conveying pipe; the leaching device comprises a leaching barrel body, the top wall of the leaching barrel body is of an open structure, and a rotatable and stirring leaching piece is arranged in the leaching barrel body; the mixing device comprises a mixing barrel body, wherein a mixing part and a cleaning part which are connected through a transmission mechanism are arranged in the mixing barrel body, the transmission mechanism is used for driving the mixing part to rotate, and the cleaning part is driven to move along the height direction of the inner wall of the mixing barrel body at the same time. The utility model discloses can homogeneous mixing soil and chemical agent, can clear up the soil that adheres on the mixing arrangement inner wall, avoid a large amount of soil adhesion difficult and restoration medicament misce benes in the mixing arrangement inner wall, avoid causing the repair efficiency to reduce.

Description

Device for repairing soil heavy metal

Technical Field

The utility model relates to a soil prosthetic devices field particularly, relates to a device is used in soil heavy metal restoration.

Background

The soil is an important component of the natural environment and is the material foundation on which human beings live; in recent years, various activities of human beings have increasingly more influence on the soil environment, and the heavy metal pollution of the soil is increasingly serious; the heavy metal pollution sources of soil are wide, and mainly come from production and living activities of human beings, including mining, smelting, metal processing, chemical industry, waste battery treatment, electronic, leather making, dye and other industrial discharged three wastes and automobile exhaust emission, pesticide and fertilizer application and the like; at present, in the technology for controlling heavy metal pollution in soil, chemical agents are generally used for leaching the soil to remove most of heavy metals in the soil, and then passivators such as biochar are mixed with the soil to solidify the residual heavy metals in the soil, so that the soil is repaired and purified.

At present, the used device is restoreed to current soil heavy metal, and the chemical agent mixes inequality when drip washing soil, and when soil and passivator mix on the mixing arrangement inner wall relatively easily, the clearance of being not convenient for, and a large amount of soil adhesion behind the mixing arrangement inner wall, be difficult for with the passivator misce, can cause the repair efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is used in soil heavy metal restoration can homogeneous mixing soil and chemical agent, can clear up the soil that adheres on the mixing arrangement inner wall, avoids a large amount of soil adhesion difficult and restoration medicament misce bene in the mixing arrangement inner wall, avoids causing the repair efficiency to reduce.

The embodiment of the utility model is realized like this:

a device for repairing heavy metals in soil comprises a leaching device, a mixing device and a bracket for supporting the leaching device and the mixing device, wherein the leaching device and the mixing device are communicated and connected through a conveying pipe; the leaching device comprises a leaching barrel body, the top wall of the leaching barrel body is of an open structure, and a rotatable and stirring leaching piece is arranged in the leaching barrel body; the mixing device comprises a mixing barrel body, wherein a mixing part and a cleaning part which are connected through a transmission mechanism are arranged in the mixing barrel body, the transmission mechanism is used for driving the mixing part to rotate, and the cleaning part is driven to move along the height direction of the inner wall of the mixing barrel body at the same time.

Furthermore, the leaching part comprises a medicament cylinder, the medicament cylinder is arranged along the axis direction of the leaching barrel body, a liquid inlet is formed in the top wall of the medicament cylinder, a plurality of liquid outlet holes are formed in the side wall of the medicament cylinder, and a plurality of stirring rods are fixed on the outer wall of the medicament cylinder; the bottom wall of the medicament barrel is provided with a driving device for driving the medicament barrel to rotate, the side wall of the top of the medicament barrel is fixed with a supporting rod, the free end of the supporting rod is fixed with a sliding block, and a sliding groove matched with the sliding block for use is formed in the circumferential direction of the inner wall of the leaching barrel body.

Furthermore, the transmission mechanism comprises a motor and a main rotating shaft, the output end of the motor is connected with the main rotating shaft, and a driving gear is fixedly sleeved at one end of the main rotating shaft, which is close to the motor; the transmission mechanism further comprises a pair of threaded rods, the pair of threaded rods are symmetrically arranged on two sides of the main rotating shaft along the axis direction of the main rotating shaft, two ends of the pair of threaded rods are mounted on the wall of the mixing barrel body through bearings, and driven gears are sleeved and fixed on the pair of threaded rods; and the two driven gears are meshed with the driving gear.

Further, the mixing piece comprises a plurality of groups of mixing rods and a plurality of groups of crushing knives; each group of mixing rods and each group of crushing cutters are arranged along the circumferential direction of the main rotating shaft, and a plurality of groups of mixing rods and a plurality of groups of crushing cutters are distributed along the axial direction of the main rotating shaft and are arranged in a crossed manner; the mixing rod is of a spiral structure.

Furthermore, the cleaning piece comprises a fixing ring and a fixing rod, the fixing ring is provided with two threaded holes matched with the threaded rods, and a pair of threaded rods correspondingly penetrate through the two threaded holes; scrapers are arranged on the outer side wall of the fixing ring in the circumferential direction, and one side wall of each scraper, which is far away from the fixing ring, is abutted against the inner wall of the mixing barrel body; the fixed rod and the threaded rod are distributed in parallel and penetrate through the fixed ring, and two ends of the fixed rod are fixed on the wall of the mixing barrel body.

Further, a plurality of mixing blades are circumferentially and equidistantly arranged on the inner side wall of the fixing ring; the mixing blade is of a rectangular structure; and mixing teeth are fixed on the outer surface of the mixing blade.

Further, the top wall of the mixing barrel body is communicated with a feeding pipe, and the bottom wall of the mixing barrel body is communicated with a discharging pipe.

The utility model has the advantages that:

the utility model has the advantages that by arranging the leaching barrel body and arranging the rotatable and stirring leaching piece in the leaching barrel body, soil and chemical agents can be fully and uniformly mixed when the chemical agents are used for leaching the soil, so that the soil can be efficiently repaired; by arranging the cleaning piece, the soil adhered to the inner wall of the mixing cylinder can be cleaned, and the problem that the soil adhered to the inner wall of the mixing cylinder is not easy to be uniformly mixed with a repairing medicament to reduce repairing efficiency is avoided; connect mixing piece and clearance piece through setting up drive mechanism, and when drive mechanism drive mixing piece rotated, the drive clearance piece was followed and is mixed staving inner wall direction of height motion, makes the mixing piece mix when mixing soil, and the clearance piece can be cleared up the soil of adhesion on mixing the staving inner wall, and work efficiency is higher.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a cross-sectional view of a device for repairing heavy metals in soil provided by an embodiment of the present invention;

fig. 2 is a schematic view of a cleaning member according to an embodiment of the present invention.

Icon: 1-a leaching device, 11-a leaching barrel body, 12-a leaching part, 121-a medicament barrel, 122-a liquid inlet, 123-a liquid outlet, 124-a stirring rod, 125-a driving device, 126-a supporting rod, 127-a sliding block, 128-a sliding chute, 2-a support, 3-a mixing device, 31-a mixing barrel body, 311-a feeding pipe, 312-a discharging pipe, 32-a mixing part, 321-a mixing rod, 322-a crushing knife, 33-a cleaning part, 331-a fixing ring, 332-a fixing rod, 333-a scraping plate, 334-a mixing blade, 335-a mixing tooth, 4-a transmission mechanism, 401-a motor, 402-a main rotating shaft, 403-a driving gear, 404-a threaded rod and 405-a driven gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Examples

Referring to fig. 1-2, the present embodiment provides a device for soil heavy metal remediation, including a leaching device 1, a mixing device 3, and a support 2 for supporting the leaching device 1 and the mixing device 3, where the leaching device 1 and the mixing device 3 are connected by a feed delivery pipe; the leaching device 1 comprises a leaching barrel body 11, the top wall of the leaching barrel body 11 is of an open structure, and a rotatable and stirring leaching piece 12 is arranged in the leaching barrel body 11; mixing arrangement 3 includes mixing barrel 31, be provided with the mixed piece 32 and the clearance piece 33 of connecting through drive mechanism 4 in the mixing barrel 31, drive mechanism 4 is used for driving mixed piece 32 and rotates, and drives clearance piece 33 simultaneously and follow the motion of mixing barrel 31 inner wall direction of height.

The rotatable and agitated leaching element 12 can mix the soil and chemical agent evenly; connect mixed piece 32 and clearance piece 33 through drive mechanism 4, and in the time of drive mechanism 4 drive mixed piece 32 pivoted, drive clearance piece 33 is along mixing 31 inner walls direction of height motion of staving, make mixed piece 32 when mixing soil, clearance piece 33 can clear up the soil of adhesion on mixing 31 inner walls of staving, work efficiency is higher, and avoided the inconvenient clearance of soil adhesion in mixing the barrel inner wall, and avoided the soil adhesion in mixing the barrel inner wall difficult and repair the medicament misce bene and reduce remediation efficiency.

In this embodiment, the leaching part 12 includes a reagent cartridge 121, the reagent cartridge 121 is disposed along the axial direction of the leaching barrel 11, a liquid inlet 122 is formed in the top wall of the reagent cartridge 121, a plurality of liquid outlet holes 123 are formed in the side wall of the reagent cartridge 121, and a plurality of stirring rods 124 are fixed on the outer wall of the reagent cartridge 121; the bottom wall of the medicament cylinder 121 is provided with a driving device 125 for driving the medicament cylinder 121 to rotate, the side wall of the top of the medicament cylinder 121 is fixed with a supporting rod 126, the free end of the supporting rod 126 is fixed with a sliding block 127, and the inner wall of the washing barrel body 11 is circumferentially provided with a sliding groove 128 matched with the sliding block 127; the driving device 125 is a motor and a rotating shaft, and in other embodiments of the present invention, the driving device 125 may also be a motor and a gear belt; the method comprises the steps of filling heavy metal contaminated soil into a leaching barrel body 11, injecting chemical agents into a medicament barrel 121 from a liquid inlet 122, starting a driving device 125, driving the medicament barrel 121 to rotate by the driving device 125, and enabling a supporting rod 126 to rotate in a sliding groove 128 through a sliding block 127 so as to support the medicament barrel 121 to rotate; when the chemical cartridge 121 rotates, the chemical agent flows into the soil in the leaching barrel 11 from the liquid outlet 123, and the stirring rod 124 stirs the soil, so that the soil and the chemical agent are uniformly mixed, and the soil after reaction with the chemical agent is input into the mixing barrel 31 through the material conveying pipe.

In this embodiment, the transmission mechanism 4 includes a motor 401 and a main rotating shaft 402, an output end of the motor 401 is connected to the main rotating shaft 402, and a driving gear 403 is fixedly sleeved on one end of the main rotating shaft 402 close to the motor 401; the transmission mechanism 4 further comprises a pair of threaded rods 404, the pair of threaded rods 404 are symmetrically arranged on two sides of the main rotating shaft 402 along the axial direction of the main rotating shaft 402, two ends of the pair of threaded rods 404 are mounted on the wall of the mixing barrel body 31 through bearings, and driven gears 405 are fixedly sleeved on the pair of threaded rods 404; the two driven gears 405 are both meshed with the driving gear 403; the mixing member 32 includes a plurality of sets of mixing rods 321 and a plurality of sets of crushing blades 322; each group of the mixing rods 321 and each group of the crushing cutters 322 are circumferentially arranged along the main rotating shaft 402, and the groups of the mixing rods 321 and the groups of the crushing cutters 322 are distributed and crossly arranged along the axial direction of the main rotating shaft 402; the mixing rod 321 is a spiral structure; the cleaning piece 33 comprises a fixing ring 331 and a fixing rod 332, the fixing ring 331 is provided with two threaded holes matched with the threaded rods 404, and a pair of threaded rods 404 correspondingly penetrate through the two threaded holes; scrapers 333 are arranged on the outer side wall of the fixing ring 331 in the circumferential direction, and one side wall of the scrapers 333 away from the fixing ring 331 is abutted against the inner wall of the mixing barrel body 31; the fixing rods 332 and the threaded rods 404 are distributed in parallel and penetrate through the fixing rings 331, and two ends of the fixing rods 332 are fixed on the wall of the mixing barrel body 31; the top wall of the mixing barrel body 31 is communicated with a feeding pipe 311, and the bottom wall of the mixing barrel body 31 is communicated with a discharging pipe 312.

A passivating agent is added into the mixing barrel body 31 from the feeding pipe 311, the starting motor 401 drives the main rotating shaft 402 to rotate, the rotating main rotating shaft 402 drives the mixing rod 321 and the crushing cutter 322 to rotate, the mixing rod 321 mixes soil to uniformly mix the soil and the passivating agent, the crushing cutter 322 cuts and crushes large pieces of soil to form small particles of the soil, the contact area of the soil and the passivating agent is larger, and the soil is more efficiently repaired; the rotating main rotating shaft 402 drives the driving gear 403 to rotate, the driving gear 403 drives the two meshed driven gears 405 to rotate, the two driven gears 405 drive the two threaded rods 404 to rotate, the rotating threaded rods 404 and the fixed rods 332 are matched to enable the fixed rings 331 to reciprocate along the threaded rods 404, the moving fixed rings 331 drive the scraper 333 to move, the scraper 333 scrapes the inner wall of the mixing barrel body 31 in the reciprocating process, soil adhered to the inner wall of the mixing barrel body 31 is removed, the problem that the soil is adhered to the inner wall of the mixing barrel body and is inconvenient to clean is avoided, and the problem that the soil is adhered to the inner wall of the mixing barrel body and is not easy to be uniformly mixed with a passivator to; use drive mechanism 4 to connect and mix 32 and clearance piece 33, can make and mix 32 rotation and mix when mixing to soil, make clearance piece 33 up-and-down motion clear up the soil of adhesion in mixing barrel inner wall, can realize mixing and clearance soil simultaneously, work efficiency is higher.

In this embodiment, a plurality of mixing blades 334 are circumferentially and equidistantly arranged on the inner side wall of the fixing ring 331; the mixing blade 334 is a rectangular structure; mixing teeth 335 are fixed on the outer surface of the mixing blade 334; the mixing blades 334 are driven by the fixing ring 331 to reciprocate up and down along the threaded rod 404, form different mixing directions with the rotating mixing piece 32, and are matched with the mixing piece 32 to mix soil in different directions, so that the soil is mixed more sufficiently, and the soil and the passivator are mixed more uniformly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The device for repairing the heavy metals in the soil comprises a leaching device (1), a mixing device (3) and a bracket (2) for supporting the leaching device (1) and the mixing device (3), wherein the leaching device (1) and the mixing device (3) are communicated and connected through a material conveying pipe; the washing device is characterized in that the washing device (1) comprises a washing barrel body (11), the top wall of the washing barrel body (11) is of an open structure, and a washing piece (12) which can rotate and stir is arranged in the washing barrel body (11); mixing arrangement (3) are including mixing staving (31), be provided with in mixing staving (31) and mix piece (32) and clearance piece (33) of connecting through drive mechanism (4), drive mechanism (4) are used for driving mixing piece (32) and rotate, and drive clearance piece (33) simultaneously and follow mixing staving (31) inner wall direction of height motion.

2. The device for repairing heavy metal in soil according to claim 1, wherein the leaching part (12) comprises a medicament cylinder (121), the medicament cylinder (121) is arranged along the axial direction of the leaching barrel body (11), a liquid inlet (122) is formed in the top wall of the medicament cylinder (121), a plurality of liquid outlet holes (123) are formed in the side wall of the medicament cylinder (121), and a plurality of stirring rods (124) are fixed on the outer wall of the medicament cylinder (121); the bottom wall of the medicament barrel (121) is provided with a driving device (125) for driving the medicament barrel (121) to rotate, a supporting rod (126) is fixed on the side wall of the top of the medicament barrel (121), a sliding block (127) is fixed at the free end of the supporting rod (126), and a sliding groove (128) matched with the sliding block (127) for use is formed in the circumferential direction of the inner wall of the washing barrel body (11).

3. The soil heavy metal restoration device according to claim 1, wherein the transmission mechanism (4) comprises a motor (401) and a main rotating shaft (402), an output end of the motor (401) is connected with the main rotating shaft (402), and a driving gear (403) is sleeved and fixed at one end of the main rotating shaft (402) close to the motor (401); the transmission mechanism (4) further comprises a pair of threaded rods (404), the pair of threaded rods (404) are symmetrically arranged on two sides of the main rotating shaft (402) along the axial direction of the main rotating shaft (402), two ends of the pair of threaded rods (404) are mounted on the wall of the mixing barrel body (31) through bearings, and driven gears (405) are fixedly sleeved on the pair of threaded rods (404); the two driven gears (405) are meshed with the driving gear (403).

4. The soil heavy metal remediation device of claim 1, wherein the mixing element (32) comprises a plurality of sets of mixing rods (321) and a plurality of sets of crushing knives (322); each group of mixing rods (321) and each group of crushing cutters (322) are circumferentially arranged along a main rotating shaft (402), and a plurality of groups of mixing rods (321) and a plurality of groups of crushing cutters (322) are distributed along the axial direction of the main rotating shaft (402) and are arranged in a crossed manner; the mixing rod (321) is of a spiral structure.

5. The soil heavy metal remediation device of claim 1, wherein the cleaning element (33) comprises a fixing ring (331) and a fixing rod (332), the fixing ring (331) is provided with two threaded holes matched with the threaded rods (404), and a pair of threaded rods (404) are correspondingly arranged in the two threaded holes; scrapers (333) are arranged on the outer side wall of the fixing ring (331) in the circumferential direction, and one side wall, far away from the fixing ring (331), of each scraper (333) is abutted against the inner wall of the mixing barrel body (31); the fixing rod (332) and the threaded rod (404) are distributed in parallel and penetrate through the fixing ring (331), and two ends of the fixing rod (332) are fixed on the wall of the mixing barrel body (31).

6. The soil heavy metal remediation device of claim 5, wherein the inner side wall of the fixing ring (331) is provided with a plurality of mixing blades (334) at equal intervals in the circumferential direction; the mixing blade (334) is of a rectangular structure; mixing teeth (335) are fixed on the outer surface of the mixing blade (334).

7. The soil heavy metal restoration device according to claim 1, wherein a feeding pipe (311) is arranged on the top wall of the mixing barrel body (31) in a communicating manner, and a discharging pipe (312) is arranged on the bottom wall of the mixing barrel body (31) in a communicating manner.