CN111871802A - Continuous grading plant of soil deposit - Google Patents

Abstract

The invention is a soil sediment continuous grading device, comprising a casing, a rear cover, a front cover and a sealing cover. The rear cover is fixedly connected with the rear end of the casing, and the front cover is fixedly connected with the front end of the casing. A number of cylindrical screens are set inside the casing, and the screens are distributed concentrically. The interior of the rear cover is provided with a rotating assembly, the rear end of the screen is fixedly connected to the rotating assembly, and the front end of the screen is rotatably connected to the front cover. The outer side of the screen is provided with an arc-shaped fixing groove. The fixing groove is in contact with the outer side of the screen. The outer side of the screen is provided with a water guide groove. The water tank is connected, the fixed groove and the water guide groove are respectively fixedly connected with the front cover, the front cover is provided with an opening, and the sealing cover is clamped with the front cover. This device can clean the irregular particles stuck in the sieve hole and prevent The clogging of the screen affects the progress of the test research, improves the soil classification effect, and speeds up the test progress.

Description

A continuous grading device for soil sediments

technical field

The invention relates to the technical field of soil component screening, in particular to a soil sediment continuous classification device.

Background technique

The study of different soil components is an important part of the current soil science research. The existing continuous grading device for soil components usually relies on gravity and vibrating screen for screening and grading, which is difficult to solve the problem of clogging the sieve holes during the grading process. When there are irregular particles stuck in the smaller sieve holes, the simple Relying on the vibration force provided by the vibrating screen, the particles cannot be thrown out of the sieve holes. When the sieve holes are blocked to a certain amount, it will affect the progress of experimental research, which is time-consuming and labor-intensive.

SUMMARY OF THE INVENTION

In view of this, the present invention provides a continuous grading device for soil sediments, which relies on centrifugal force for sieving, can clean up irregular particles stuck in the sieve holes, prevent the clogging of the sieves from affecting the progress of experimental research, and improve soil grading. effect and speed up the test progress.

The technical scheme of the present invention is realized as follows:

The invention provides a soil sediment continuous classification device, comprising a casing, a rear cover, a front cover and a sealing cover, the rear cover is fixedly connected with the rear end of the casing, and the front cover is connected to the The front end of the casing is fixedly connected, a plurality of cylindrical screens are sleeved inside the casing, the screens are distributed concentrically, the interior of the rear cover plate is provided with a rotating assembly, and the rear end of the screen is It is fixedly connected to the rotating assembly, the front end of the screen is rotatably connected to the front cover, the outer side of the screen is provided with an arc-shaped fixing groove, and the fixing groove is in contact with the outer side of the screen , the outer side of the screen is provided with a water guide groove, a water outlet is provided below the water guide groove, the sealing cover is provided with a water injection component, the water injection component is connected with the water guide groove, and the fixed groove and the water guide groove are respectively It is fixedly connected with the front cover, the front cover is provided with an opening, and the sealing cover is clamped with the front cover.

Preferably, the rotating assembly includes a turntable and a motor, the turntable is mounted on the front end of the rear cover, the turntable is rotatably connected to the rear cover, and the rear end of the screen is fixedly connected to the turntable , the motor is installed inside the rear cover, and the motor is coaxially connected with the turntable.

Preferably, the water injection assembly includes a water injection port and a water injection pipe, the water injection port is installed on the outer wall of the sealing cover, the water injection pipe is installed inside the sealing cover, and the water injection port is connected to the water injection pipe. connected, and the water injection pipe is movably clamped to the water guide groove.

Preferably, a drain pipe is provided inside the rear cover, and the drain pipe communicates with the inside of the casing.

Preferably, the fixing groove is located in the lower half of the screen.

Preferably, the water guide is located on the top of the screen.

Preferably, the opening is arc-shaped, and the opening is located on the inner and outer sides of the screen.

Preferably, it also includes a plurality of shielding covers for shielding the front end of the screen, the shielding covers correspond to the size of the screen one-to-one, and the shielding covers are movably engaged with the front cover.

Compared with the prior art, the beneficial effects of the present invention are:

The invention provides a continuous grading device for soil sediment. The rotating component drives the screen to rotate, the soil is continuously rolled under the rotation of the screen, and the soil is continuously screened according to the particle size through the screens of different sizes. The water is passed through the water guide tank through the water injection component, and the clean water flushes the screen through the water guide and the water outlet, and the screen holes on the screen are initially cleared; when there are irregular particles stuck in the screen holes, the clean water cannot wash them out. When the sieve is in contact with the outside of the screen, the fixed grooves that abut on the outside of the screen will push the particles back into the screen, and dredge the sieve holes on the screen. The rotational speed controls the centrifugal force, and the sieve hole is prevented from clogging by the guide groove and the fixed groove, which helps the physical components of the soil sediment to be continuously and efficiently classified, improves the soil classification effect, and speeds up the test progress.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only preferred embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative labor.

1 is a schematic diagram of the internal structure of Embodiment 1 of the present invention;

2 is a schematic view of the front structure of the front cover in the first embodiment of the present invention;

3 is a schematic diagram of the internal structure of the casing in the first embodiment of the present invention;

FIG. 4 is a schematic diagram of the front three-dimensional structure of the front cover in the second embodiment of the present invention.

In the figure, 1 case, 2 rear cover, 3 front cover, 4 sealing cover, 5 screen, 6 fixed groove, 7 water guide, 8 opening, 9 turntable, 10 motor, 11 water injection port, 12 water injection pipe, 13 drain pipe, 14 shield cover.

Detailed ways

In order to better understand the technical content of the present invention, specific embodiments are provided below, and the present invention is further described with reference to the accompanying drawings.

Example 1

1 to 3 , the present invention provides a soil sediment continuous classification device, comprising a casing 1, a rear cover 2, a front cover 3 and a sealing cover 4, the rear cover 2 and the casing The rear end of the casing 1 is fixedly connected, the front cover 3 is fixedly connected to the front end of the casing 1, and a plurality of cylindrical screens 5 are sleeved inside the casing 1. The screens 5 are concentrically distributed, and the most The mesh size of the inner screen 5 is the largest, the mesh size of the outermost screen 5 is the smallest, and the mesh size of the screen 5 gradually decreases from the inside to the outside. There is a rotating assembly inside, the rear end of the screen 5 is fixedly connected with the rotating assembly, the front end of the screen 5 is rotatably connected with the front cover 3, and the rotating assembly drives the rear end of the screen 5 to rotate , the front end of the screen 5 is rotatably connected with the front cover 3 through ball bearings, etc., the outer side of the screen 5 is provided with an arc-shaped fixing groove 6, and the fixing groove 6 is in contact with the outer side of the screen 5, The outer side of the screen 5 is provided with a water guide groove 7, and a water outlet is provided under the water guide groove 7, and the sealing cover 4 is provided with a water injection assembly, which is connected with the water guide groove 7, and the fixed groove 6 and the water guiding groove 7 are respectively fixedly connected with the front cover 3 , the front cover 3 is provided with an opening 8 , and the sealing cover 4 is snapped with the front cover 3 .

Open the sealing cover 4, according to the test requirements, add the soil sample to the central screen 5 from the opening 8 to improve the sealing cover 4, start the rotating assembly to drive the screen 5 to rotate, and the soil will continue to rotate under the rotation of the screen 5. The soil is tumbling on the ground, and the soil is continuously screened according to the particle size through the screens 5 of different sizes, and the water is passed through the water guide tank 7 through the water injection component. The sieve holes on the screen are initially dredged; when there are irregular particles stuck in the sieve holes and the clean water cannot wash them out, part of the body of the particles is located outside the screen 5, and is always connected to the screen 5 through the fixing groove 6. When the particles stuck in the sieve holes come into contact with the fixing groove 6, the inner wall of the fixing groove 6 and the screen 5 abutting will push the particles, push the particles back into the screen 5, and the screen The sieve holes on the net 5 are deeply dredged to prevent the clogging of the sieve net 5 from affecting the progress of the experimental research. The device adopts a cylindrical design and relies on centrifugal force for screening. The centrifugal force can be controlled by the rotational speed, and the sieve hole is prevented from clogging by the guide groove 7 and the fixed groove 6, which helps the physical components of the soil sediment to be continuously and efficiently classified, and improves the soil classification effect. , to speed up the test progress.

The rotating assembly includes a turntable 9 and a motor 10. The turntable 9 is installed at the front end of the rear cover 2, the turntable 9 is rotatably connected to the rear cover 2, and the rear end of the screen 5 is connected to the rear cover 2. The turntable 9 is fixedly connected, the motor 10 is installed inside the rear cover 2, the motor 10 is coaxially connected to the turntable 9, the motor 10 is electrically connected to an external power supply, and the turntable 9 is driven to rotate by the motor 10 , the turntable 9 drives a number of filters to rotate synchronously.

The water injection assembly includes a water injection port 11 and a water injection pipe 12. The water injection port 11 is installed on the outer wall of the sealing cover 4, and the water injection pipe 12 is installed inside the sealing cover 4. The water injection pipe 12 is connected, the water injection pipe 12 is movably connected with the water guide groove 7, the water injection port 11 is externally connected to a water source, and the water flows into the water injection pipe 12 through the water injection port 11, and then flows into the water injection pipe 12 to the water guide groove 7, Rinse the filter screen through the water outlet at the bottom of the water guide 7.

The rear cover 2 is provided with a drain pipe 13, which communicates with the inside of the casing 1. The drain pipe 13 is located at the lowest position inside the casing 1, and the water inside the casing 1 is drained through the drain pipe 13. out.

The fixing slot 6 is located in the lower half of the screen 5. When the filter is rotated clockwise, the fixing slot 6 is located at the lower left half of the filter. When the filter is rotated counterclockwise, the fixing slot 6 is located in the filter. In the lower right half of the screen, the screen holes that are about to be rotated upwards are cleaned at the bottom, and the particles blocked in the screen holes will then fall back into the bottom surface of the screen screen 5; After the irregular particles are cleaned out of the sieve holes, they will fall down into the upper screen 5, and the soil needs to be re-screened by the upper screen 5.

The water guiding groove 7 is located on the top of the screen 5, and the water guiding groove 7 is arranged on the top of the screen 5, and the drying net is cleaned by the gravity of the water itself.

Embodiment 2

Referring to FIG. 4 , the difference between this embodiment and the first embodiment is that the opening 8 is arc-shaped, and the opening 8 is located on the inner and outer sides of the screen 5 .

It also includes a plurality of shielding covers 14 for shielding the front end of the screen 5 , the shielding covers 14 correspond to the sizes of the screen 5 one-to-one, and the shielding covers 14 are movably engaged with the front cover 3 .

The arc-shaped opening 8 corresponds to the opening 8 of the filter screen of each layer. When the grading is completed, the water injection port 11 is closed, and the rotating assembly maintains the working state. The front end is inclined downward, and the soil material in the inner wall layer of the casing 1 at the bottom is poured out; The soil material is poured out; in the same way, the soil at each level can be taken out for the next test. During the removal process, the rotating component still drives the filter screen to rotate, and the fixed groove 6 always cleans the screen holes, thereby improving the accuracy of the amount of soil material poured out of the filter screen.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (8)

1. A soil sediment continuous grading device is characterized by comprising a casing, a rear cover plate, a front cover plate and a sealing cover, wherein the rear cover plate is fixedly connected with the tail end of the casing, the front cover plate is fixedly connected with the front end of the casing, a plurality of cylindrical screen meshes are sleeved in the casing and concentrically distributed, a rotating assembly is arranged in the rear cover plate, the rear end of each screen mesh is fixedly connected with the rotating assembly, the front end of each screen mesh is rotatably connected with the front cover plate, arc-shaped fixing grooves are formed in the outer side of each screen mesh and abutted against the outer side of each screen mesh, water guide grooves are formed in the outer side of each screen mesh, water outlets are formed below the water guide grooves, a water injection assembly is arranged on the sealing cover and connected with the water guide grooves, and the fixing grooves and the water guide grooves are respectively and fixedly connected with the front cover plate, the front cover plate is provided with an opening, and the sealing cover is clamped with the front cover plate.

2. A soil sediment continuous grading device according to claim 1, wherein the rotating assembly comprises a rotating disc and a motor, the rotating disc is installed at the front end of the back cover plate, the rotating disc is rotatably connected with the back cover plate, the rear end of the screen is fixedly connected with the rotating disc, the motor is installed inside the back cover plate, and the motor is coaxially connected with the rotating disc.

3. The continuous grading device for soil sediments according to claim 1, wherein the water injection assembly comprises a water injection port and a water injection pipe, the water injection port is installed on the outer wall of the sealing cover, the water injection pipe is installed inside the sealing cover, the water injection port is connected with the water injection pipe, and the water injection pipe is movably clamped with the water chute.

4. A soil deposit continuous grading device according to claim 1, characterized in that said back cover plate is internally provided with a drain tank, said drain tank communicating with the inside of said casing.

5. A soil sediment continuous grading device as claimed in claim 1, wherein the holding trough is located in the lower half of the screen.

6. A soil sediment continuous grading apparatus as claimed in claim 1, wherein the flume is located on top of the screen.

7. A soil sediment continuous grading apparatus as claimed in claim 1, wherein the openings are arc-shaped and are located on both the inside and outside of the screen.

8. The continuous grading device for soil sediments as claimed in claim 1, further comprising a plurality of shielding covers for shielding the front ends of the screens, wherein the shielding covers correspond to the screens in size one by one, and are movably clamped with the front cover plate.

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