CN224167611U

CN224167611U - Soil heavy metal detects soil grinder

Info

Publication number: CN224167611U
Application number: CN202520934049.8U
Authority: CN
Inventors: 陈新琪; 黄丹凤; 陈柏煊; 谢高华; 陈勇
Original assignee: Fujian Huaqi Testing Technology Co ltd
Current assignee: Fujian Huaqi Testing Technology Co ltd
Priority date: 2025-05-13
Filing date: 2025-05-13
Publication date: 2026-04-28
Anticipated expiration: 2035-05-13

Abstract

This utility model discloses a soil grinding device for heavy metal detection in soil, including a housing. Inside the housing, a grinding chamber and a cleaning chamber are formed by a fixed partition. The grinding chamber contains a rotatable grinding cylinder with a filter screen fixed at its bottom and multiple grinding balls at its top. A drive assembly for rotating the grinding cylinder is mounted on the top wall of the grinding chamber. The cleaning chamber contains a second cover plate with a rotating shaft rotatably connected inside. Multiple L-shaped brush plates are evenly fixed to the outside of the rotating shaft. This structure enables efficient crushing of soil samples and precise sieving of qualified fine powder. The cleaning chamber, equipped with brush plates driven by a second motor, cleans the inner wall of the grinding cylinder, the grinding balls, and the filter screen, removing residual soil particles and preventing cross-contamination between different batches of samples. The self-cleaning function reduces manual cleaning workload and improves equipment operating efficiency.

Description

Soil heavy metal detects soil grinder

Technical Field

The utility model relates to the technical field of soil detection equipment, in particular to a soil heavy metal detection soil grinding device.

Background

The soil heavy metal detection is a key link of environmental monitoring and pollution prevention and control, and the core aim is to evaluate the ecological safety and human health risks of the soil by quantitatively analyzing the contents of toxic heavy metals such As lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg) and the like in the soil. The heavy metal detection of soil needs to be carried out fine grinding on the soil so as to ensure the detection accuracy.

Among the prior art, through retrieving, it is found that chinese patent discloses "a soil heavy metal detects with grinding screening plant", and its application number is "202222258598.7", and above-mentioned patent mainly includes screening case, and the feed inlet has been seted up to the top lateral wall of screening case, and the top lateral wall intercommunication of screening case has the feeder hopper, and the feed inlet is linked together with the feeder hopper, and the one side inner wall rotation of screening case is connected with the dwang, and the surface mounting of dwang has a plurality of crushing poles that are the symmetry setting, and the rotating electrical machines that are connected with the one end of dwang is installed to one side of screening case. Said utility model utilizes the rotating motor to drive rotating rod to make them rotate so as to make them implement pulverizing treatment of material in the interior of screening box, and can implement processing treatment of large material in the interior of screening box, at the same time under the action of screening plate the pulverized material can be filtered, and can be set up by means of two layers of screening plates, and can filter the material twice so as to raise screening effect of soil. But above-mentioned device sets up crushing pole, screening board and grinds, screen and handle the back to soil, and its structure of installing in the box is inconvenient to clear up it, and clearance work complex operation, inconvenience lead to different batch sample cross contamination risk to increase easily. Therefore, the utility model provides a soil heavy metal detection soil grinding device, which solves the problems in the background technology.

Disclosure of utility model

The utility model aims to provide a soil heavy metal detection soil grinding device which can realize efficient crushing of soil samples and accurately screen fine powder reaching standards, a cleaning cavity is provided with a hairbrush plate which is driven to rotate by a second motor, the inner wall of a grinding cylinder, a grinding ball and a filter screen can be cleaned, residual soil particles are removed, cross contamination among samples in different batches is prevented, and the self-cleaning function reduces manual cleaning workload and improves equipment operation efficiency.

In order to achieve the above purpose, the soil heavy metal detection soil grinding device comprises a box body, wherein a grinding cavity and a cleaning cavity are formed in the box body through a partition plate which is fixedly arranged, a rotatable grinding cylinder is arranged in the grinding cavity, a filter screen is fixedly arranged at the bottom of the grinding cylinder, a plurality of grinding balls are arranged at the top of the filter screen, and a driving assembly for driving the grinding cylinder to rotate is arranged on the top wall of the grinding cavity;

The cleaning cavity is internally provided with a second cover plate, a rotating shaft is connected in the second cover plate in a rotating mode, and a plurality of hairbrush plates of L-shaped structures are uniformly fixed on the outer side of the rotating shaft.

According to a soil heavy metal detects soil grinder, grind all set firmly the fixed plate on chamber and the clearance chamber back wall, the fixed plate top rotates and is connected with the movable column, square constant head tank has been seted up to the movable column inside, the filter screen bottom set firmly the locating plate with the constant head tank cooperation grafting.

According to a soil heavy metal detects soil grinder, drive assembly is including locating the first apron of grinding vessel top, one side that the grinding vessel is close to the top has set firmly a plurality of picture peg uniformly, the equal equidistance of outer lane of first apron and second apron has set firmly a plurality of plugboards that peg graft with the picture peg cooperation.

According to a soil heavy metal detects soil grinder, drive assembly still including setting firmly the first cylinder on grinding the chamber roof, set firmly the first mounting bracket in first cylinder piston rod bottom and set firmly the first motor on the first mounting bracket, the output shaft and the first apron fixed connection of first motor.

According to a soil heavy metal detects soil grinder, the clearance has set firmly the second cylinder on the chamber roof, second cylinder piston rod bottom has set firmly the second mounting bracket, second apron and second mounting bracket fixed connection, the second motor has set firmly at second mounting bracket top, the output shaft fixed connection of pivot and second motor.

According to a soil heavy metal detection soil grinder, all sliding connection has the receipts flitch on grinding chamber and the clearance chamber diapire, just receipts flitch one end is established to the opening and has set firmly the deflector of splayed structure.

According to the soil heavy metal detection soil grinding device, the front side of the box body is symmetrically hinged with the box door, and transparent windows are embedded in the box door.

According to the soil heavy metal detection soil grinding device, the grinding balls are made of ceramic materials, and the grinding cylinder is a ceramic grinding tank.

The utility model has the following beneficial effects:

1. Compared with the prior art, through the rotatory of first motor drive grinding vessel, the striking effect of cooperation grinding ball realizes the high-efficient breakage to soil sample, can accurately sieve up to standard fine powder, and the granule automatic cycle that does not reach standard is broken, improves grinding efficiency, reduces manual intervention.

2. Compared with the prior art, the cleaning cavity is provided with the brush plate, and is driven to rotate by the second motor, so that the inner wall of the grinding cylinder, the grinding balls and the filter screen can be cleaned, residual soil particles are removed, cross contamination among samples in different batches is prevented, the self-cleaning function reduces manual cleaning workload, and the equipment operation efficiency is improved.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a schematic diagram of the overall structure of a soil heavy metal detection soil grinding device of the utility model;

FIG. 2 is a schematic diagram of the internal structure of a box body of the soil heavy metal detection soil grinding device;

FIG. 3 is a schematic view of the structure of a grinding cylinder, a grinding ball and a filter screen of the soil heavy metal detection soil grinding device;

FIG. 4 is a schematic view of the soil grinding device for detecting heavy metals in soil according to another view angle of FIG. 3;

fig. 5 is a schematic diagram of a structure of a rotating shaft and a brush plate of the soil heavy metal detection soil grinding device.

Legend description:

1. A case; 2, a baffle plate, 3, a grinding cylinder, 4, a filter screen, 5, grinding balls, 6, a first cylinder, 7, a first mounting frame, 8, a first motor, 9, a first cover plate, 10, a plugboard, 11, a plugboard, 12, a fixed plate, 13, a movable column, 14, a positioning groove, 15, a box door, 16, a transparent window, 17, a positioning plate, 18, a receiving plate, 19, a second cylinder, 20, a second mounting frame, 21, a second motor, 22, a rotating shaft, 23, a second cover plate, 24 and a hairbrush plate.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-5, the soil heavy metal detection soil grinding device of the embodiment of the utility model comprises a box body 1, wherein a grinding cavity and a cleaning cavity are formed in the box body 1 through a partition plate 2 which is fixedly arranged, a rotatable grinding cylinder 3 is arranged in the grinding cavity, a filter screen 4 is fixedly arranged at the bottom of the grinding cylinder 3, a plurality of grinding balls 5 are arranged at the top of the filter screen 4, a driving component for driving the grinding cylinder 3 to rotate is arranged on the top wall of the grinding cavity, the driving component comprises a first cover plate 9 which is arranged above the grinding cylinder 3, a first air cylinder 6 which is fixedly arranged on the top wall of the grinding cavity, a first mounting frame 7 which is fixedly arranged at the bottom of a piston rod of the first air cylinder 6, and a first motor 8 which is fixedly arranged on the first mounting frame 7, a plurality of plugboards 10 are uniformly and fixedly arranged on one side, close to the top, of the outer rings of the first cover plate 9 and the second cover plate 23 are fixedly provided with a plurality of plugboards 11 which are matched and spliced with the plugboards 10, and an output shaft of the first motor 8 is fixedly connected with the first cover plate 9.

The grinding cylinder 3 is positioned in the grinding cavity through the cooperation of the positioning plate 17 and the positioning groove 14, the soil sample to be detected is fed into the grinding cylinder 3, and the first air cylinder 6 pushes the first mounting frame 7 to move downwards, so that the plug board 11 of the first cover plate 9 is precisely plugged with the plug board 10 at the top of the grinding cylinder 3. The first motor 8 drives the grinding cylinder 3 to rotate, and the soil is impacted and crushed under the ceramic grinding balls 5. The ground soil particles are screened by a filter screen 4, the fine powder reaching the standard falls into a receiving plate 18 at the bottom of the grinding cavity, and the particles not reaching the standard continue to be continuously crushed along with the rotation of the grinding cylinder 3.

The cleaning chamber is inside to be equipped with second apron 23, and second apron 23 inside rotates to be connected with pivot 22, and the pivot 22 outside has set firmly a plurality of L shape structural brush boards 24 uniformly, has set firmly second cylinder 19 on the cleaning chamber roof, and second cylinder 19 piston rod bottom end has set firmly second mounting bracket 20, second apron 23 and second mounting bracket 20 fixed connection, and second motor 21 has set firmly at second mounting bracket 20 top, and pivot 22 and second motor 21's output shaft fixed connection.

The grinding cylinder 3 after finishing grinding use is placed in the cleaning cavity, and the positioning plate 17 at the bottom of the filter screen 4 is matched with the positioning groove 14 for positioning. The second cylinder 19 presses down the second apron 23 lid and closes in grinding vessel 3 top, and second motor 21 drive pivot 22 drives L shape brush board 24 rotation, carries out the cleaning to grinding vessel 3 inner wall, grinding ball 5 and filter screen 4, and the clearance residue realizes the self-cleaning after grinding, avoids sample cross contamination.

The grinding cavity and the cleaning cavity are fixedly provided with a fixed plate 12 on the rear wall, the top of the fixed plate 12 is rotationally connected with a movable column 13, a square positioning groove 14 is formed in the movable column 13, and the bottom of the filter screen 4 is fixedly provided with a positioning plate 17 which is matched and spliced with the positioning groove 14.

The locating plate 17 at the bottom of the filter screen 4 is inserted into the square locating groove 14 of the movable column 13, so that the grinding cylinder 3 can be located, the disassembly is convenient, and meanwhile, the free rotation operation of the grinding cylinder 3 is guaranteed by the movable column 13 which rotates.

The grinding cavity and the cleaning cavity are both connected with the collecting plate 18 in a sliding manner on the bottom wall, one end of the collecting plate 18 is provided with an opening and is fixedly provided with a splayed guide plate, the collecting plate 18 of the grinding cavity and the cleaning cavity is pulled out, the soil sample and the cleaning waste after screening are respectively obtained, and grinding and cleaning are completed.

The front side of the box body 1 is symmetrically hinged with a box door 15, so that the box body 1 is in a sealed state, transparent windows 16 are embedded in the box door 15, and the box door 15 can be closed to observe the internal state through the transparent windows 16.

The grinding ball 5 is made of ceramic, the grinding cylinder 3 is a ceramic grinding tank, metal pollution is avoided, and reliability of heavy metal detection data is ensured.

The working principle is that the grinding cylinder 3 is positioned in the grinding cavity through the matching of the positioning plate 17 and the positioning groove 14, a soil sample to be detected is fed into the grinding cylinder 3, and the first air cylinder 6 pushes the first mounting frame 7 to move downwards, so that the plug-in plate 11 of the first cover plate 9 is precisely inserted with the plug-in plate 10 at the top of the grinding cylinder 3. The first motor 8 drives the grinding cylinder 3 to rotate, and the soil is impacted and crushed under the ceramic grinding balls 5. The ground soil particles are screened by a filter screen 4, the fine powder reaching the standard falls into a receiving plate 18 at the bottom of the grinding cavity, and the particles not reaching the standard continue to be continuously crushed along with the rotation of the grinding cylinder 3;

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a soil heavy metal detects soil grinder which characterized in that, includes box (1), the inside baffle (2) that set up through fixed of box (1) forms grinding chamber and clearance chamber, the inside rotatable grinding vessel (3) that is equipped with of grinding chamber, grinding vessel (3) bottom has set firmly filter screen (4), filter screen (4) top is equipped with a plurality of grinding balls (5), be equipped with on the grinding chamber roof and be used for driving grinding vessel (3) pivoted drive assembly;

The cleaning cavity is internally provided with a second cover plate (23), a rotating shaft (22) is rotatably connected in the second cover plate (23), and a plurality of hairbrush plates (24) with L-shaped structures are uniformly and fixedly arranged on the outer side of the rotating shaft (22).

2. The soil heavy metal detection soil grinding device according to claim 1, wherein the grinding cavity and the cleaning cavity rear wall are fixedly provided with a fixed plate (12), the top of the fixed plate (12) is rotationally connected with a movable column (13), a square positioning groove (14) is formed in the movable column (13), and a positioning plate (17) which is matched and spliced with the positioning groove (14) is fixedly arranged at the bottom of the filter screen (4).

3. The soil heavy metal detection soil grinding device according to claim 2, wherein the driving assembly comprises a first cover plate (9) arranged above the grinding cylinder (3), a plurality of plugboards (10) are uniformly and fixedly arranged on one side, close to the top, of the grinding cylinder (3), and a plurality of plugboards (11) matched with the plugboards (10) are fixedly arranged on the outer rings of the first cover plate (9) and the second cover plate (23) at equal intervals.

4. The soil heavy metal detection soil grinding device according to claim 3, wherein the driving assembly further comprises a first air cylinder (6) fixedly arranged on the top wall of the grinding cavity, a first mounting frame (7) fixedly arranged at the bottom of a piston rod of the first air cylinder (6) and a first motor (8) fixedly arranged on the first mounting frame (7), and an output shaft of the first motor (8) is fixedly connected with the first cover plate (9).

5. The soil heavy metal detection soil grinding device according to claim 4, wherein a second air cylinder (19) is fixedly arranged on the top wall of the cleaning cavity, a second mounting frame (20) is fixedly arranged at the bottom end of a piston rod of the second air cylinder (19), a second cover plate (23) is fixedly connected with the second mounting frame (20), a second motor (21) is fixedly arranged at the top of the second mounting frame (20), and the rotating shaft (22) is fixedly connected with an output shaft of the second motor (21).

6. The device for detecting heavy metal in soil according to claim 5, wherein the bottom walls of the grinding cavity and the cleaning cavity are both slidably connected with a receiving plate (18), and one end of the receiving plate (18) is provided with an opening and is fixedly provided with a splayed guide plate.

7. The soil heavy metal detection soil grinding device according to claim 1, wherein the front side of the box body (1) is symmetrically hinged with a box door (15), and transparent windows (16) are embedded in the box door (15).

8. The device for grinding soil for detecting heavy metal in soil according to claim 7, wherein the grinding balls (5) are made of ceramic materials, and the grinding cylinder (3) is a ceramic grinding tank.