CN219785499U - Multistage screening plant of environmental detection earth - Google Patents

Abstract

The utility model discloses an environment detection soil multistage screening device which comprises a screening box, wherein three conical screens which are arranged side by side up and down are arranged above the inside of the screening box, the mesh diameters of the three conical screens are gradually reduced from top to bottom, a slope annular plate is fixed outside the circumference of the lower end of the conical screens, a rotary drum capable of actively rotating is arranged outside the slope annular plate, a scraping plate is arranged at a position, corresponding to the height of the upper surface of the slope annular plate, of the inside of the rotary drum.

Description

Multistage screening plant of environmental detection earth

Technical Field

The utility model relates to the technical field of soil detection, in particular to a multistage soil screening device for environment detection.

Background

Soil environment monitoring refers to determining environmental quality (or pollution degree) and its trend by measuring representative values of factors affecting the quality of the soil environment. The soil monitoring generally refers to soil environment monitoring, and generally comprises the technical contents of point distribution sampling, sample preparation, analysis methods, result characterization, data statistics, quality evaluation and the like.

In the prior art, the soil and soil for environmental detection need to be screened in advance, so that the influence of large-particle substances doped in the collected soil and soil on the detection quality is avoided;

in the prior art, a horizontal mesh plate is generally adopted for screening operation, but if the horizontal mesh plate is used for screening, when the area of a screen material is required to be large, the mesh plate needs to be manufactured to be large, so that the occupied space is large.

Disclosure of Invention

The utility model aims to provide an environment detection soil multistage screening device, which aims to solve the problem that in the prior art, when the area of a screen material is large, a mesh plate needs to be manufactured to be large, so that the occupied space is large.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an environment detection earth multistage screening plant, includes the screening case, the inside top of screening case is equipped with three toper screen cloth side by side from top to bottom, and the mesh diameter from the top down of three toper screen cloth reduces gradually, the lower extreme circumference external fixation of toper screen cloth has the slope annular plate, the outside of slope annular plate is equipped with the rotatory section of thick bamboo that can initiative rotate, the scraper blade is installed with the position that slope annular plate upper surface height corresponds to the inside of rotatory section of thick bamboo, and the even distribution of three scraper blade on the inner wall of rotatory section of thick bamboo, first bin outlet has been seted up to the lateral wall of rotatory section of thick bamboo and the position that the scraper blade corresponds, the second bin outlet has been seted up to the lateral wall of screening case and the position that first bin outlet corresponds.

Preferably, a feeding hopper is arranged in the middle of the upper surface of the screening box, a discharging hopper is arranged below the conical screen below the feeding hopper, and the lower end of the discharging hopper penetrates through the lower surface of the screening box.

Preferably, a stand column is fixed between the middle parts of the three conical screens, and supporting feet are fixed between the lower parts of the two sides of the discharging hopper and the bottom surface of the screening box.

Preferably, the top middle part of screening case has inserted the pivot, the top of pivot is equipped with drive structure, and the connecting rod that can connect the rotary drum is all installed to the lower extreme both sides of pivot.

Preferably, vibration motors are arranged on two sides of the outside of the screening box.

Preferably, supporting legs are fixed below two sides of the screening box.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, three conical screens are used for screening, the occupied space is small, the surface area of the screened material is large, the slope annular plate, the rotary drum and the scraping plate are arranged, soil on the upper surface of the slope annular plate can be scraped by the scraping plate in the rotating process of the rotary drum, the scraped soil moves along with the scraping plate, when the rotary drum rotates to the time when the first discharge port coincides with the second discharge port, the soil moving along with the scraping plate can pass through the first discharge port and the second discharge port for discharging, and the discharging is convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is an overall view of the present utility model;

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

FIG. 3 is a cross-sectional view of the rotary drum of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of a conical screen of the present utility model;

FIG. 5 is an overall view of the rotary drum of the present utility model;

fig. 6 is a cut-away view of the rotary drum of the present utility model.

In the figure: 1. support legs; 2. a screening box; 3. a feeding hopper; 4. a driving structure; 5. a second discharge port; 6. a rotary drum; 7. a first discharge port; 8. discharging a hopper; 9. a ramp ring plate; 10. a connecting rod; 11. a conical screen; 12. supporting feet; 13. a scraper; 14. a rotating shaft; 15. a column; 16. and vibrating the motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 4, in the embodiment of the utility model, an environment detection soil multistage screening device comprises a screening box 2, supporting legs 1 capable of supporting the screening box 2 are fixed below two sides of the screening box 2, a feeding hopper 3 for feeding soil to be screened is mounted in the middle of the upper surface of the screening box 2, three conical screens 11 which are arranged side by side up and down are arranged above the inside of the screening box 2, the mesh diameters of the three conical screens 11 are gradually reduced from top to bottom, and the three conical screens 11 can be used for gradually refining and screening the soil;

referring to fig. 3, 4, 5 and 6, after sieving, the soil which cannot pass through the conical screen mesh 11 is left on the upper surface of the conical screen mesh 11, and falls down along the outer surface of the conical screen mesh 11 due to self weight, a slope ring plate 9 is fixed outside the circumference of the lower end of the conical screen mesh 11, so that the soil falling down from the conical screen mesh 11 can reach the slope ring plate 9, a rotating cylinder 6 capable of actively rotating is arranged outside the slope ring plate 9, scrapers 13 are arranged in the rotating cylinder 6 at positions corresponding to the height of the upper surface of the slope ring plate 9, the three scrapers 13 are uniformly distributed on the inner wall of the rotating cylinder 6, and then the soil on the upper surface of the slope ring plate 9 can be scraped off by the scrapers 13 in the rotating process of the rotating cylinder 6, and the scraped soil moves together with the scrapers 13;

as shown in fig. 1, 5 and 6, a first discharge opening 7 is formed in a position, corresponding to a scraper 13, of the side wall of the rotary cylinder 6, a second discharge opening 5 is formed in a position, corresponding to the first discharge opening 7, of the side wall of the screening box 2, when the rotary cylinder 6 rotates, the first discharge opening 7 and the second discharge opening 5 have overlapping time, when the first discharge opening and the second discharge opening are overlapped, soil running along with the scraper 13 can pass through the first discharge opening 7 and the second discharge opening 5 for discharging, a discharge pipeline can be installed at the second discharge opening 5, the collection of materials is facilitated, and vibration motors 1 are arranged on two sides of the outside of the screening box 2, so that the discharging is thorough;

as shown in fig. 2 and 3, a lower hopper 8 is installed below the lower conical screen mesh 11, and the lower end of the lower hopper 8 passes through the lower surface of the screening box 2, so that the screened thinnest soil can be discharged from the lower hopper 8;

as shown in fig. 3 and 4, a column 15 is fixed between the middle parts of the three conical screens 11, and supporting feet 12 are fixed between the lower parts of two sides of the lower hopper 8 and the bottom surface of the screening box 2 and used for supporting the three conical screens 11 and the lower hopper 8;

referring to fig. 1 and 2, a rotating shaft 14 is inserted into the middle part of the upper part of the screening box 2, a driving structure 4 is arranged above the rotating shaft 14, and connecting rods 10 capable of being connected with the rotating drum 6 are mounted on two sides of the lower end of the rotating shaft 14, so that the rotating drum 6 is driven to rotate by the connecting rods 10 by means of rotation of the rotating shaft 14, and scraping is achieved.

The working principle and the using flow of the utility model are as follows: when using this device, with the soil from feeding hopper 3 feeding, three toper screen cloth 11 can this carry out the screening that refines gradually for the soil, can't pass the upper surface of toper screen cloth 11 of soil left behind of toper screen cloth 11, and because dead weight falls down along the surface of toper screen cloth 11 and reaches slope annular plate 9 upper surface, can borrow scraper 13 to scrape the soil of slope annular plate 9 upper surface at rotatory in-process of rotatory section of thick bamboo 6, and the soil of scraping moves along with scraper 13, when rotatory section of thick bamboo 6 rotates to first bin outlet 7 and second bin outlet 5 coincidence time, can pass first bin outlet 7 and second bin outlet 5 with the soil of scraper 13 operation in a lump and carry out the discharge, the outside both sides of screening case 2 all are equipped with vibrating motor 1, further make the discharge thoroughly.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an environment detection earth multistage screening plant, includes screening case (2), its characterized in that: the inside top of screening case (2) is equipped with three toper screen cloth (11) side by side from top to bottom, and the mesh diameter of three toper screen cloth (11) reduces from the top down gradually, the lower extreme circumference external fixation of toper screen cloth (11) has slope annular plate (9), the outside of slope annular plate (9) is equipped with rotatable rotatory section of thick bamboo (6) of initiative, scraper blade (13) are installed with the position that slope annular plate (9) upper surface highly corresponds to the inside of rotatory section of thick bamboo (6), and the even distribution of three scraper blade (13) is on the inner wall of rotatory section of thick bamboo (6), first bin outlet (7) have been seted up with the position that scraper blade (13) correspond to the lateral wall of rotatory section of thick bamboo (6), second bin outlet (5) have been seted up with the position that first bin outlet (7) corresponds to the lateral wall of screening case (2).

2. The environmental test soil multistage screening device of claim 1, wherein: the middle part of the upper surface of the screening box (2) is provided with a feeding hopper (3), the lower part of the conical screen (11) below is provided with a discharging hopper (8), and the lower end of the discharging hopper (8) penetrates through the lower surface of the screening box (2).

3. An environmental test soil multistage screening apparatus according to claim 2, wherein: an upright post (15) is fixed between the middle parts of the three conical screens (11), and supporting feet (12) are fixed between the lower parts of the two sides of the discharging hopper (8) and the bottom surface of the screening box (2).

4. The environmental test soil multistage screening device of claim 1, wherein: the screening box is characterized in that a rotating shaft (14) is inserted into the middle of the upper portion of the screening box (2), a driving structure (4) is arranged above the rotating shaft (14), and connecting rods (10) capable of being connected with the rotating drum (6) are arranged on two sides of the lower end of the rotating shaft (14).

5. The environmental test soil multistage screening device of claim 1, wherein: and vibration motors (16) are arranged on two sides of the outside of the screening box (2).

6. The environmental test soil multistage screening device of claim 1, wherein: support legs (1) are fixed below two sides of the screening box (2).