CN221816046U - Granulating device for soil heavy metal magnetic porous material - Google Patents

Abstract

The utility model discloses a granulating device for a soil heavy metal magnetic porous material, which comprises a cylinder body, wherein a feed inlet and a discharge outlet are respectively formed on the outer walls close to two ends of the cylinder body, a spiral extrusion roller is rotatably arranged in the cylinder body in a penetrating manner, the granulating device also comprises a temperature control assembly, a die and a cutter which are arranged in the cylinder body, the die comprises two forming plates, the two forming plates are sequentially sleeved on the spiral extrusion roller and are respectively provided with a plurality of forming holes, one end of the spiral extrusion roller is sequentially and detachably connected with the cutter and a gland, and a screen drum is arranged at the discharge outlet. According to the utility model, the precursors with various sizes can be extruded simultaneously through the two forming plates, so that the operation steps are simplified, and the production efficiency and the use flexibility are improved; the temperature in the cylinder body can be controlled through the temperature control component, the plasticity of the material is improved, the extrusion process is smoother, and the preparation requirements of precursors on different materials can be adapted and met.

Description

Granulating device for soil heavy metal magnetic porous material

Technical Field

The utility model relates to the technical field of soil remediation, in particular to a granulating device of a soil heavy metal magnetic porous material.

Background

Heavy metal pollution of soil refers to the phenomenon that heavy metal is migrated into soil in a specific form due to human activities, so that the heavy metal content in the soil is obviously higher than a background value, and ecological environment pollution is caused. At present, the preparation of the recyclable heavy metal adsorption material with chelating function by combining the solidification and stabilization material with the organic matter with specific functional groups is an important direction of the future development of the heavy metal contaminated soil remediation technology.

The applicant has searched and obtained the following prior art, and specifically, patent publication No. CN216856628U discloses a granulating device for polluted farmland soil passivating agent, comprising a granulating cylinder, wherein a feed inlet is arranged above one end of the granulating cylinder, a spiral extrusion auger is arranged inside the granulating cylinder in a penetrating way, a mould section is arranged at the front end of the granulating cylinder, a mould disc is arranged at one side of the mould section connected with the granulating cylinder, a discharge hole is arranged below the mould section, a cutter mechanism is arranged at the front end of the mould section, and two ends of the mould section are fixedly connected with the cutter mechanism and the end part of the granulating cylinder respectively through flange discs. The die sections are connected with the granulating cylinder through the flange plate, the die sections can be conveniently disassembled and assembled, the die sections with different aperture sizes on the grinding tool plate can be replaced according to the granulating requirement, the passivating agent particles cut by the cutter fall into the inner space of the die sections to play a buffering role, and then the particles are discharged through the discharge port, so that the product particles are prevented from directly falling to the collecting device to cause split breakage, and the integrality of the passivating agent particles is guaranteed.

As can be seen from the above patent, the granulation device for contaminated farmland soil passivating agent can produce passivating agent particles with different pore sizes, and can ensure the integrity of the passivating agent particles, but in the practical use process, passivating agent particles with different pore sizes can be prepared by replacing different mould sections, so that the operation is complicated, and as a single mould section only can prepare passivating agent particles with one specification, passivating agent particles with various pore sizes can not be extruded at the same time, thereby reducing the use flexibility and the production efficiency; meanwhile, if the granulating device is applied to the production and preparation of the soil heavy metal magnetic porous material, the adaptability of the granulating device to the preparation requirement of the soil heavy metal magnetic porous material precursor is poor because the granulating device is not provided with a corresponding temperature control system.

Disclosure of utility model

The utility model mainly aims to provide a granulating device for a soil heavy metal magnetic porous material, and aims to solve the problems that the existing granulating device for the soil heavy metal magnetic porous material is complex in operation, can not extrude passivating agent particles with various pore diameters at the same time, is low in use flexibility and production efficiency and has poor adaptability to precursor preparation requirements.

In order to achieve the above purpose, the utility model provides a granulating device for a soil heavy metal magnetic porous material, which comprises a barrel, wherein a feed inlet and a discharge outlet are respectively formed on the outer walls close to two ends of the barrel, a spiral extrusion roller is rotatably arranged in the barrel in a penetrating manner, the granulating device also comprises a temperature control assembly, a die and a cutter which are arranged in the barrel, the temperature control assembly is used for heating an inner cavity of the barrel, the die comprises two forming plates, the two forming plates are sequentially sleeved on the spiral extrusion roller and are respectively provided with a plurality of forming holes, one end of the spiral extrusion roller close to the discharge outlet penetrates through the two forming plates and is sequentially and detachably connected with the cutter and the gland, and a screen drum for screening precursors is arranged at the discharge outlet.

Preferably, the temperature control assembly comprises a heating wire wound on the inner wall of the cylinder, the heating wire is positioned between the feeding port and the discharging port, and a heat insulation sleeve is arranged between the heating wire and the spiral extrusion roller.

Preferably, one end of the cylinder body, which is close to the feeding hole, is provided with a driving piece for driving the screw extrusion roller to rotate, one end of the screw extrusion roller, which is far away from the driving piece, is provided with an annular flange for abutting against the forming plate, and a limiting step is formed on the inner wall of the cylinder body at a position corresponding to the annular flange.

Preferably, the cutter comprises a connecting ring and a plurality of blades, the connecting ring is sleeved on the spiral extrusion roller, and the blades are uniformly and alternately arranged along the circumferential direction of the connecting ring and are positioned on the outer wall of the connecting ring.

Preferably, a plurality of connecting columns are formed on one side, far away from the forming plate, of the connecting ring, limiting holes for a plurality of connecting columns to extend in are formed on one side, facing the connecting ring, of the gland, and the gland is detachably connected with the spiral extrusion roller through a locking column.

Preferably, at least two sieve plates are arranged in the sieve cylinder, any sieve plate is obliquely arranged from top to bottom, and a discharging hole is formed in the outer wall of the sieve cylinder at a position corresponding to the lower end of the sieve plate.

Preferably, an end cover is detachably connected to one end, far away from the discharge hole, of the cylinder; a plurality of brackets are arranged on the outer wall of the cylinder body at intervals along the extending direction of the cylinder body, and a cover plate is detachably connected to the position, close to the forming plate, on the outer wall of the cylinder body.

The beneficial effects are that:

1. When the granulating device for the soil heavy metal magnetic porous material is used, the precursor with a single size can be prepared under the conveying extrusion of the screw extrusion roller by rotating the two forming plates and enabling the forming holes on the two forming plates to correspond to each other one by one; through rotating arbitrary shaping board and making a plurality of shaping holes on two shaping boards misplace each other, can extrude the precursor of multiple size from this simultaneously, not only need not to two shaping boards repeated dismouting, simplified operating procedure, improved production efficiency, still satisfied the production demand to the precursor of multiple size, improved the flexibility of use.

2. According to the granulating device for the soil heavy metal magnetic porous material, the temperature in the cylinder body can be accurately controlled through the temperature control component, so that the precursor is ensured to be extruded and prepared in the optimal temperature range, the plasticity of the material can be improved, the extrusion process is smoother, and the preparation requirements of the precursor on different materials can be adapted and met by adjusting the temperature in the cylinder body.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a granulating apparatus for heavy metal magnetic porous materials in soil according to an embodiment of the present utility model;

FIG. 2 is an exploded view showing a partial structure of a granulating apparatus for a soil heavy metal magnetic porous material according to an embodiment of the present utility model;

FIG. 3 is a right side view of a granulating apparatus for a soil heavy metal magnetic porous material according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view at A-A in FIG. 3;

Fig. 5 is a partial enlarged view at B in fig. 4.

In the figure: 1-a cylinder; 2-a feed inlet; 3-a discharge hole; 4-a spiral extrusion roller; 5-a cutter; 6-forming a plate; 7-forming a hole; 8-pressing cover; 9-a screen drum; 10-heating wires; 11-a heat preservation sleeve; 12-a driving member; 13-an annular flange; 14-limiting steps; 15-a connecting ring; 16-blades; 17-connecting columns; 18-limiting holes; 19-a sieve plate; 20-a discharge hole; 21-end caps; 22-a bracket; 23-cover plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application 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 application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present application and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like in the description of the present application, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," and the like in the description of the present application, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Example 1:

The utility model provides a granulating device for a soil heavy metal magnetic porous material.

In an embodiment of the utility model, a granulating device for a soil heavy metal magnetic porous material comprises a barrel 1, a feeding port 2 and a discharging port 3 are respectively formed on the outer walls close to two ends of the barrel 1, a spiral extrusion roller 4 is rotatably arranged in the barrel 1 in a penetrating manner, the granulating device also comprises a temperature control component, a die and a cutter 5 which are arranged in the barrel 1, the temperature control component is used for heating the inner cavity of the barrel 1, the die comprises two forming plates 6, the two forming plates 6 are sequentially sleeved on the spiral extrusion roller 4 and respectively provided with a plurality of forming holes 7, one end of the spiral extrusion roller 4 close to the discharging port 3 penetrates through the two forming plates 6 and is sequentially and detachably connected with the cutter 5 and the gland 8, and a screen drum 9 for screening precursors is arranged at the discharging port 3.

Specifically, as shown in fig. 1 to 5, in the granulation device for the soil heavy metal magnetic porous material according to the present utility model, a feed inlet 2 and a discharge outlet 3 are formed on outer walls near the left and right ends of a cylinder 1, respectively, and by connecting the feed inlet 2 with a stirring device, a precursor preparation material after uniform stirring can be delivered from the feed inlet 2 into the cylinder 1, and since a screw extrusion roller 4 is rotatably installed in the cylinder 1, the material can be delivered and extruded to the discharge outlet 3 and the precursor preparation can be completed under the shaping of a die and the cutting of a cutter 5.

Further, when the utility model is used, as the two forming plates 6 are sequentially sleeved on the screw extrusion roller 4 and a plurality of forming holes 7 are respectively formed, a precursor with a single size can be prepared under the conveying extrusion of the screw extrusion roller 4 by rotating the two forming plates 6 and enabling the plurality of forming holes 7 on the two forming plates 6 to correspond one by one; meanwhile, through rotating any one forming plate 6 and enabling a plurality of forming holes 7 on two forming plates 6 to be staggered with each other to form a through hole for a material to pass through, the size of the through hole close to the spiral extrusion roller 4 is larger, and the size of the through hole far away from the spiral extrusion roller 4 is smaller, so that precursors with various sizes can be extruded simultaneously, the two forming plates 6 are not required to be disassembled and assembled repeatedly, the operation steps are simplified, the production efficiency is improved, the production requirements for the precursors with various sizes are met, and the use flexibility is improved. In addition, can screen through the screen drum 9 that discharge gate 3 department set up the precursor of multiple size, and then do benefit to the staff and select the precursor to use. It should be noted that the screen drum 9 may be selected as a screen drum 9 having a vibration function in the prior art, so that the screening efficiency of the precursor can be improved, and the probability of blocking the discharge port 3 and the screen drum 9 is reduced.

As can be appreciated, since the right end of the screw extrusion roller 4 passes through the two forming plates 6 and is detachably connected with the cutter 5 and the gland 8, and the cutter 5 is positioned between the forming plates 6 and the gland 8, after the gland 8 is mounted on the screw extrusion roller 4, the two forming plates 6 and the cutter 5 are pressed on the screw extrusion roller 4 by the gland 8, thereby preventing the two forming plates 6 from moving randomly relative to the screw extrusion roller 4 during the use process of the utility model, ensuring the consistency of precursors and ensuring the use reliability; simultaneously, because cutter 5 detachably connects to the right-hand member of screw extrusion roller 4, and then make cutter 5 can cut the material that extrudes the via hole under the drive of screw extrusion roller 4 to this preparation production to the precursor is accomplished, structural design is simple, reasonable. In addition, as the property of the soil heavy metal magnetic porous material is closely related to the temperature condition in the preparation process, the temperature control assembly is arranged in the cylinder body 1, and the temperature in the cylinder body 1 can be accurately controlled through the temperature control assembly, so that the precursor is ensured to be extruded and prepared in the optimal temperature range, the plasticity of the material can be improved, the extrusion process is smoother, and the preparation requirements of different materials on the precursor can be adapted and met by adjusting the temperature in the cylinder body 1.

In an embodiment, the temperature control assembly comprises a heating wire 10 wound on the inner wall of the cylinder body 1, the heating wire 10 is positioned between the feed inlet 2 and the discharge outlet 3, and a heat insulation sleeve 11 is arranged between the heating wire 10 and the screw extrusion roller 4. Specifically, as shown in fig. 1, 4 and 5, as the heating wire 10 is arranged between the feeding port 2 and the discharging port 3 in a winding manner, the temperature inside the cylinder 1 can be accurately controlled through the heating wire 10, and the structural layout is reasonable; meanwhile, the heat preservation sleeve 11 can be made of glass fiber and rubber, so that heat loss can be reduced through the heat preservation sleeve 11.

In an embodiment, a driving member 12 for driving the screw extrusion roller 4 to rotate is disposed at one end of the cylinder 1 near the feed inlet 2, an annular flange 13 for abutting against the forming plate 6 is formed at one end of the screw extrusion roller 4 away from the driving member 12, and a limiting step 14 is formed on the inner wall of the cylinder 1 at a position corresponding to the annular flange 13. Specifically, as shown in fig. 1 to 5, the driving member 12 is a motor in the prior art, and the screw extrusion roller 4 can be driven to rotate at a constant speed by the motor. Further, since the right end of the screw extrusion roller 4 is formed with the annular flange 13, and the inner wall of the cylinder 1 is formed with the limit step 14 corresponding to the position of the annular flange 13, when the two forming plates 6 are mounted on the screw extrusion roller 4, the limit action in the axial direction can be performed on the two forming plates 6 through the annular flange 13 and the limit step 14; simultaneously, can support the right-hand member of screw extrusion roller 4 through two shaping boards 6 to improve screw extrusion roller 4 stability in the rotation in-process, structural design is simple, reasonable.

In one embodiment, as shown in fig. 1 to 4, the cutter 5 includes a connecting ring 15 and a plurality of blades 16, the connecting ring 15 is sleeved on the screw extrusion roller 4, and the plurality of blades 16 are uniformly and alternately arranged along the circumferential direction of the connecting ring 15 and are located on the outer wall of the connecting ring 15. It can be appreciated that the connection ring 15 and the screw extrusion roller 4 may be in threaded connection, so that the cutter 5 can be synchronously driven to rotate by the driving member 12, and the cutter 5 can be conveniently disassembled and replaced. Further, since the plurality of blades 16 are uniformly and alternately disposed on the outer wall of the connecting ring 15 in the circumferential direction of the connecting ring 15, uniform cutting of the material can be achieved, and uniformity of the cutting thickness of the precursor is ensured.

In another embodiment, a plurality of connecting posts 17 are formed on one side of the connecting ring 15 away from the forming plate 6, a limiting hole 18 for extending the connecting posts 17 is formed on one side of the gland 8 facing the connecting ring 15, and the gland 8 is detachably connected with the screw extrusion roller 4 through a lock post. Specifically, as shown in fig. 1 to 5, after the connecting ring 15 is sleeved on the screw extrusion roller 4, the connecting ring 15 is in sliding contact with the screw extrusion roller 4 at this time, since a plurality of connecting columns 17 are formed on one side of the connecting ring 15 away from the forming plate 6, and a limit hole 18 for extending the connecting columns 17 is formed on one side of the gland 8 facing the connecting ring 15, the cutting blade 5 can play a role in circumferential limit through the plug-in cooperation of the connecting columns 17 and the limit hole 18; meanwhile, the gland 8 can be detachably connected with the screw extrusion roller 4 in a screw mode, and the lock column is a screw, so that the gland 8 can be conveniently disassembled and assembled, and the cutter 5 can be limited in the axial direction through the gland 8, and the structure design is compact and reasonable. It is worth to say that, compared with the installation mode of the connecting ring 15 and the screw extrusion roller 4 in threaded connection, the cutter 5 is limited and installed through the gland 8, so that the installation step of the cutter 5 can be simplified, the cutter 5 is prevented from scratching or scratching workers when being installed, and the use safety is improved.

In an embodiment, at least two sieve plates 19 are disposed in the sieve cylinder 9, any sieve plate 19 is disposed obliquely from top to bottom, and a discharge hole 20 is formed on the outer wall of the sieve cylinder 9 at a position corresponding to the lower end of the sieve plate 19. Specifically, as shown in fig. 2 to 4, the screening of the precursors with different sizes can be realized through the screen plate 19, and the screened precursors can be discharged through the discharge holes 20 on the corresponding screen plate 19, so that the precursors with different sizes can be collected and split-packed, and the use is convenient; meanwhile, the sieve plate 19 is obliquely arranged from top to bottom, so that the fluidity of the precursor can be improved, the inside of the sieve cylinder 9 is prevented from being blocked, and the structural design is simple and reasonable.

In one embodiment, the end of the cylinder 1 far away from the discharge port 3 is detachably connected with an end cover 21; a plurality of brackets 22 are arranged on the outer wall of the cylinder body 1 at intervals along the extending direction, and a cover plate 23 is detachably connected to the outer wall of the cylinder body 1 at a position close to the forming plate 6. Specifically, as shown in fig. 1 to 5, the right end of the cylinder 1 can be closed by the end cap 21, preventing external dust, impurities, etc. from proceeding into the inside of the cylinder 1 to affect the preparation of the precursor; the stable support of the cylinder 1 can be realized by the plurality of brackets 22 which are arranged at intervals along the left-right direction, and the installation stability of the utility model is improved. It can be appreciated that, since the cover plate 23 is detachably connected to the outer wall of the cylinder 1 at a position close to the forming plate 6, the cover plate 23 can be detachably connected in a clamping or threaded connection manner, and the left residual material of the forming plate 6 can be cleaned by opening the cover plate 23, so that the waste of the material is reduced.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. The utility model provides a prilling granulator of soil heavy metal magnetism porous material, includes barrel (1), is close to be formed with feed inlet (2) and discharge gate (3) on the outer wall at barrel (1) both ends respectively, rotationally wear to be equipped with screw extrusion roller (4) in barrel (1), its characterized in that, still including set up in accuse temperature subassembly, mould and cutter (5) in barrel (1), accuse temperature subassembly is used for heating the inner chamber of barrel (1), the mould includes two shaping board (6), two shaping board (6) are located in proper order cover screw extrusion roller (4) are gone up and are offered a plurality of shaping hole (7) respectively, screw extrusion roller (4) are close to two are passed to one end of discharge gate (3) shaping board (6) and are connected with detachably in proper order cutter (5) and gland (8), just discharge gate (3) department is provided with screen drum (9) that are used for screening the precursor.

2. The granulation device of the soil heavy metal magnetic porous material according to claim 1, wherein the temperature control assembly comprises a heating wire (10) wound on the inner wall of the cylinder body (1), the heating wire (10) is positioned between the feeding hole (2) and the discharging hole (3), and a heat preservation sleeve (11) is arranged between the heating wire (10) and the spiral extrusion roller (4).

3. The granulation device of the soil heavy metal magnetic porous material according to claim 1, wherein a driving piece (12) for driving the spiral extrusion roller (4) to rotate is arranged at one end of the cylinder (1) close to the feed inlet (2), an annular flange (13) for abutting against the forming plate (6) is formed at one end of the spiral extrusion roller (4) away from the driving piece (12), and a limiting step (14) is formed on the inner wall of the cylinder (1) at a position corresponding to the annular flange (13).

4. A granulation device for a soil heavy metal magnetic porous material according to claim 3, wherein the cutter (5) comprises a connecting ring (15) and a plurality of blades (16), the connecting ring (15) is sleeved on the screw extrusion roller (4), and the blades (16) are uniformly and alternately arranged along the circumferential direction of the connecting ring (15) and are positioned on the outer wall of the connecting ring (15).

5. The granulation device of the soil heavy metal magnetic porous material according to claim 4, wherein a plurality of connecting columns (17) are formed on one side of the connecting ring (15) away from the forming plate (6), a limit hole (18) for a plurality of connecting columns (17) to extend into is formed on one side of the gland (8) facing the connecting ring (15), and the gland (8) is detachably connected with the spiral extrusion roller (4) through a lock column.

6. The granulation device of a soil heavy metal magnetic porous material according to any one of claims 1-5, wherein at least two sieve plates (19) are arranged in the sieve cylinder (9), any one of the sieve plates (19) is obliquely arranged from top to bottom, and a discharge hole (20) is formed in the outer wall of the sieve cylinder (9) at a position corresponding to the lower end of the sieve plate (19).

7. A granulation device of a soil heavy metal magnetic porous material according to any one of claims 1-5, characterized in that an end cap (21) is detachably connected to the end of the cylinder (1) remote from the discharge opening (3); a plurality of brackets (22) are arranged on the outer wall of the cylinder body (1) at intervals along the extending direction of the cylinder body, and a cover plate (23) is detachably connected to the position, close to the forming plate (6), on the outer wall of the cylinder body (1).