CN210001229U - material transfer device - Google Patents

Abstract

The utility model discloses an material transfer device sets up in the switching department of upstream conveyor and low reaches conveyer, including the buffering passage that a plurality of sections are connected, each the axial of the export section of buffering passage is more pressed close to for the axial of its import section the transport face of low reaches conveyer, higher level the export section and the adjacent subordinate of buffering passage the junction of the import section of buffering passage still is equipped with the spacing water conservancy diversion piece of , is used for higher level the flow direction of the material of the export section of buffering passage is to with adjacent subordinate the axial of the import section of buffering passage is pressed close to mutually, the utility model provides a material transfer device can reduce the dust of two adjacent conveyer junctions.

Description

material transfer device

Technical Field

The utility model relates to a technical field is handled in the material transportation, concretely relates to kinds of material transfer devices.

Background

In a conveying system composed of a plurality of conveyors, when materials on an upstream conveyor are transferred to a downstream conveyor, a high fall is usually accompanied, if the materials directly fall onto the surface of the downstream conveyor, a large amount of dust is easily generated, and the surrounding working environment and the physical health of workers are seriously affected.

Therefore, how to provide solutions to overcome the above drawbacks remains a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an kind of material transfer device, it can reduce the dust of two adjacent conveyer junctions.

In order to solve the technical problem, the utility model provides an material transfer device sets up in the switching department of upstream conveyer and low reaches conveyer, including the buffering passage that a plurality of sections are connected, each the axial of the export section of buffering passage is more pressed close to for the axial of its import section the conveying face of low reaches conveyer, higher level the export section of buffering passage and adjacent subordinate the junction of the import section of buffering passage still is equipped with the spacing water conservancy diversion piece of for with higher level the flow direction of the material of the export section of buffering passage is to with adjacent subordinate the axial of the import section of buffering passage is pressed close to mutually.

By adopting the structure, the speed of the material of the upstream conveyor can be continuously reduced through the guidance of the multi-section buffer guide pipes, particularly, the th limit guide piece at the joint of two adjacent buffer guide pipes can guide and divert the material, so that the speed of the material can be greatly reduced, the material can finally fall to the downstream conveyor at a lower speed, the impact force is reduced, and the generation of raised dust can be reduced from the source.

And, the setting of the spacing water conservancy diversion spare of can avoid the material to the violent impact of transition junction buffering baffle pipe wall to can adjust the flow direction of material effectively, with the unordered free fall of material in buffering baffle pipe become according to setting for the route, paste the concentrated landing of buffering baffle pipe diapire, and then can reduce induced amount of wind by a wide margin, be favorable to reducing the raising of dust.

Optionally, the feeding device further comprises a dust cover, the lower end of the dust cover is connected with the inlet section of the buffer material guiding pipe at the uppermost stage, an opening is formed in the side of the dust cover, and the blanking end of the upstream conveyor is inserted into the dust cover from the opening.

Optionally, a second limiting flow guide member is further disposed in the dust cover, and the second limiting flow guide member is located behind the discharging end of the upstream conveyor and used for guiding the material of the upstream conveyor into the buffer material guide pipe at the uppermost level.

Optionally, the second limiting guide piece is groove-shaped, and the width of the second limiting guide piece is greater than or equal to the width of the material on the conveying surface of the upstream conveyor.

Optionally, the buffer material guide pipe is an arc-shaped pipe or a multi-section bent pipe.

Optionally, the feeding device further comprises a dust collection cover, wherein the dust collection cover is connected with the lowest level of the buffer material guide pipe and can cover part of the conveying surface of the downstream conveyor.

Optionally, the lower ends of the two lateral side walls of the dust collection cover are in sealing contact with the downstream conveyor, and the front end and the rear end of the dust collection cover are provided with curtain type dust blocking parts; and a labyrinth type dust blocking part is also arranged between the blanking part of the lowest stage of the buffering material guide pipe and the curtain type dust blocking part at the rear end in the dust collection cover.

Optionally, the labyrinth dust-blocking component comprises a plurality of dust-blocking plates, two adjacent dust-blocking plates are arranged in a staggered manner in the vertical direction, and the curtain dust-blocking component comprises at least dust-blocking curtains.

Optionally, an air suction opening is further formed in a cover wall of the dust collection cover between the labyrinth dust-blocking component and the curtain dust-blocking component at the rear end; the dust removal device further comprises a dust removal component, and the dust removal component is connected with the air suction opening.

Optionally, a plurality of atomizing nozzles are further arranged in the dust collection cover in the area between the front curtain dust blocking part and the rear curtain dust blocking part; the dust removal part is a wet dust remover.

Drawings

Fig. 1 is a schematic structural diagram of specific embodiments of the material transfer device provided by the present invention.

The reference numerals in fig. 1 are explained as follows:

1 an upstream conveyor;

2 a downstream conveyor;

3, a buffer material guide pipe and a th limit flow guide piece of the 31 st tube;

4, a dust cover, 41 a second limiting diversion piece;

5 dust collection covers, 51 curtain type dust blocking parts, 511 dust blocking curtains, 52 labyrinth type dust blocking parts, 521 dust blocking plates, 53 dust removing parts, 531 air suction covers and 54 atomizing nozzles.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is made in with reference to the accompanying drawings and specific embodiments.

As used herein, the term "plurality" refers to an indefinite number of plural, usually more than two; and when the term "plurality" is used to indicate a quantity of a particular element, it does not indicate a quantitative relationship between such elements.

The words "", "second", etc. are used herein for convenience in describing two or more structures or components that are identical or similar in structure, and do not imply any particular limitation on the order.

Referring to fig. 1, fig. 1 is a schematic structural diagram of specific embodiments of a material transfer device provided in the present invention.

In the industries of electric power, mines, metallurgy and the like, long-distance transportation of materials is often involved, in this case, a transportation system composed of a plurality of conveyors (such as belt conveyors and the like) needs to be built, a drop height of 10 meters or more usually exists at the transition connection part of an upstream conveyor 1 and a downstream conveyor 2, if materials directly fall from the upstream conveyor 1 to the surface of the downstream conveyor 2, a large amount of dust is easily generated, and therefore, a material transfer device (or also called a material transfer station) and the like need to be arranged at the transition connection part to effectively control dust.

As shown in FIG. 1, the present invention provides material transfer devices, including a plurality of segments of connected buffer guiding tubes 3, the axial direction of the outlet segment of each buffer guiding tube 3 is closer to the conveying surface of the downstream conveyor 2 than the axial direction of the inlet segment thereof, "close to" here means that the included angle between the axial direction of the outlet segment and the conveying surface of the downstream conveyor 2 is smaller, that is, the axial direction of the outlet segment can be closer to parallel to the conveying surface, so as to adjust the discharging direction of the buffer guiding tube 3 to be equal to the feeding direction of the downstream conveyor 2.

In practice, the size of the dimension of each buffering material guiding pipe 3 and the axial parameters of the inlet and outlet ports may also have definite differences, and in specific practice, the skilled person may adjust the specific shape of each buffering material guiding pipe 3 by the DEM (Discrete Element Method) technique, so as to design each buffering material guiding pipe 3 into a streamline structure, and further guide the material better.

The junction of the outlet section of the upper buffering material guide pipe 3 and the inlet section of the adjacent lower buffering material guide pipe 3 can be further provided with a limiting flow guide member 31 for guiding the flow direction of the material at the outlet section of the upper buffering material guide pipe 3 to be close to the axial direction of the inlet section of the adjacent lower buffering material guide pipe 3 so as to adjust the flow direction of the material at the junction of the two adjacent buffering material guide pipes 3.

Adopt this kind of structure, through the guide of multistage buffering baffle pipe 3, the speed of the material of upstream conveyor 1 can constantly descend, especially the spacing water conservancy diversion piece 31 of of junction of two adjacent buffering baffle pipes 3 is to the guide diversion of material, can reduce the speed of material by a wide margin, make the material finally can fall to downstream conveyor 2 with less speed, in order to reduce the impact, thereby can reduce the production of raise dust in the source, be favorable to guaranteeing clean and tidy and staff's healthy of operation environment on every side.

Moreover, the -th limiting guide piece 31 can avoid the violent impact of the materials on the pipe wall of the buffer guide pipe 3 at the transitional joint, especially at the joint between the top-level buffer guide pipe 3 and the second-level buffer guide pipe 3, at this time, the materials at the outlet section of the top-level buffer guide pipe 3 still have a larger speed, the -th limiting guide piece 31 is especially necessary, and the flow direction of the materials can be effectively adjusted, so that the disordered free falling of the materials in the buffer guide pipe 3 is changed into concentrated falling along the bottom wall of the buffer guide pipe 3 according to the set route, the induced air volume can be greatly reduced, and the dust raising can be reduced.

It can be understood that, under the condition of the fall , the more the number of the buffer guide tubes 3 is, the more obvious the reduction of the falling speed of the material is, and the less the number of the buffer guide tubes 3 is, the easier the installation is.

Above-mentioned buffering passage 3 can adopt the curved tube or the pipe of bending of multistage formula to naturally form the buffering passage 3 that the import and export axial is not and send, in fact, curved tube itself also can be understood as the pipe of bending that unlimited multistage straight tube is constituteed the embodiment of the utility model provides an in, consider the convenience of processing, can adopt the pipe of bending of multistage formula as buffering passage 3.

The utility model provides a material transfer device can also include dust cover 4, and the lower tip of dust cover 4 can link to each other with the import section of top level buffering passage 3, and the lateral part of dust cover 4 can be equipped with the opening, and the unloading tip of upper reaches conveyer 1 can insert dust cover 4 from this opening. The dust cover 4 can protect the connection between the feeding end of the upstream conveyor 1 and the inlet section of the uppermost buffering material guide pipe 3, and can better prevent dust from overflowing at the inlet section of the uppermost buffering material guide pipe 3. It is to be noted that the above-mentioned openings can be as small as possible, while ensuring that the blanking end of the upstream conveyor 1 can be inserted, in order to minimize the possibility of dust spillage.

The dust cover 4 can be further provided with a second limiting flow guide part 41, the second limiting flow guide part 41 can be located behind the discharging end part of the upstream conveyor 1 and used for guiding the materials of the upstream conveyor 1 into the uppermost buffering material guide pipe 3, the function of the second limiting flow guide part 41 is similar to that of the limiting flow guide part 31, the second limiting flow guide part 41 can block violent impact of the materials of the upstream conveyor 1 on the side wall of the dust cover 4, the advancing distance of the material particles with different kinetic energies due to different particle sizes can be restrained, the materials are changed from random and disordered free falling motion into concentrated sliding along the second limiting flow guide part 41 and the buffering material guide pipe 3, the induced air volume can be greatly reduced, the subsequent air volume needing to be processed can be reduced, and the dust raising can be reduced.

Referring to fig. 1, the forward-backward direction herein is a conveying direction of the material in the upstream conveyor 1 or the downstream conveyor 2, wherein, with reference to an advancing direction of the material, the direction toward the upstream is forward, the direction toward the downstream is backward, and a direction perpendicular to the forward-backward direction in a horizontal plane is a lateral direction.

Preferably, the second limit deflector 41 may be configured as a groove shape, and the width thereof may be greater than or equal to the width of the material on the conveying surface of the upstream conveyor 1, so that the second limit deflector 41 can both completely receive the material from the upstream conveyor 1 and laterally restrain the material, so that the material is concentrated as much as possible into "bundles" to slide down, thereby reducing the induced air volume to the maximum extent and further reducing the dust.

As mentioned above, the -th limiting diversion part 31 and the second limiting diversion part 41 are both required to bear the impact from the material, so the two parts can be made of wear-resistant materials to ensure their high strength and long service life.

, a dust hood 5 can be further included, the dust hood 5 can be connected with the lowest level buffer guide pipe 3 and can cover part of the conveying surface of the downstream conveyor 2 to protect the outlet section of the lowest level buffer guide pipe 3 at the blanking position of the downstream conveyor 2.

The dust-collecting cover 5 can be a fully sealed dust-collecting cover, in which case, the lower end of the dust-collecting cover 5 can be in sealing contact with the surface of the downstream conveyor 2, and both the front and rear end portions of the dust-collecting cover 5 can be provided with a curtain dust-blocking member 51, the lower end portion of the curtain dust-blocking member 51 can be in close contact with the conveying surface (or the material surface on the conveying surface) of the downstream conveyor 2 to completely limit the possible raised dust below the dust-collecting cover 5, the curtain dust-blocking member 51 here can include at least dust-blocking curtains 511 for blocking the dust from overflowing in the front and rear directions.

Of course, the lower end of the dust hood 5 and the lower end of the curtain dust blocking member 51 may also have -sized gaps with the surface of the downstream conveyor 2, which is particularly relevant to the required level of sealing and dust protection of the entire conveyor system.

In the dust collection cover 5, a labyrinth type dust blocking part 52 can be further arranged between the blanking part of the lowest stage buffer material guide pipe 3 and the curtain type dust blocking part 51 at the rear end, and is used for blocking dust along with backward displacement of air flow, so that the movement distance of the dust can be increased, the dust can have enough time to settle, and the dust can be returned to the material surface of the downstream conveyor 2.

Specifically, the labyrinth dust-blocking component 52 may include a plurality of dust-blocking plates 521, and two adjacent dust-blocking plates 521 may be arranged in a staggered manner in the vertical direction, and with reference to fig. 1, with such a structure, when dust moves between the dust-blocking plates 521 along with the airflow, the movement direction of the dust can be changed, so that the dust is more conveniently separated from the airflow under the action of inertia force and falls onto the charge level of the downstream conveyor 2 again, and the dust concentration in the airflow can be reduced. The specific structure of the dust guard 521 is not limited herein, and those skilled in the art can determine the actual requirement in implementation.

It should be noted that the labyrinth dust-proof component 52 formed by combining the dust-proof plates 521 disposed in a staggered manner in the vertical direction is only exemplary descriptions of the embodiments of the present invention, which cannot be taken as a limitation on the implementation range of the material transfer device provided by the present invention, and under the condition that the usage is satisfied, the labyrinth dust-proof component 52 may also adopt other structures.

With continued reference to fig. 1, the wall (specifically, the top wall, to follow the natural rising trend of the airflow) of the dust hood 5 between the labyrinth dust-blocking component 52 and the rear curtain dust-blocking component 51 may further be provided with an air suction opening, an external dust-removing component 53 may be connected to the air suction opening to draw out the residual dust and air in the dust hood 5, and the dust-removing component 53 may collect the dust and finally discharge clean air to completely eliminate the raised dust generated by the material transfer at the butt joint of the upstream conveyor 1 and the downstream conveyor 2.

In detail, a conical air suction hood 531 may be formed on the top wall of the dust collection hood 5, and the small-diameter end of the air suction hood 531 may be the air suction opening, so as to be conveniently connected to the air duct of the dust removal component 53; the dust removing part 53 may also be provided with an induced draft fan for powering the entire system, and may also be capable of forming a micro negative pressure within the dust collection hood 5 to better prevent the dust from overflowing.

, a plurality of atomizing nozzles 54 are further disposed in the dust hood 5 in the area between the front curtain dust-blocking member 51 and the rear curtain dust-blocking member 51 for spraying atomized water into the dust hood 5, and the formed mist particles and dust can be sufficiently mixed and coagulated in the dust hood 5, so as to form dust particles with larger particle size and larger mass, thus, can promote natural settling of dust, so as to reduce the dust concentration in the airflow in the dust hood 5 as much as possible, and can capture and collect the increased and weighted dust particles more easily by the subsequent dust-blocking member 53, which is more beneficial to dust elimination.

On the basis, the dust removing part 53 can adopt a wet dust remover, such as a wet electric dust remover, and can be more suitable for treating dust mixed with water mist. It should be understood that if the dust collection cover 5 is not provided with the atomizing nozzle 54, the dust collection part 53 may be a dry dust collection device such as a bag-type dust collector.

Synthesize above-mentioned each embodiment and know, the utility model provides a material transfer device has following beneficial effect at least: 1) the material falling speed is reduced by adopting the plurality of buffer material guide pipes 3, the impact direction of the material and the surface of the downstream conveyor 2 is adjusted, the possibility of generating dust can be reduced from the source, and the workload of subsequent dust removal equipment can be further reduced; 2) the dust collection cover 5, the curtain type dust blocking part 51, the labyrinth type dust blocking part 52, the dust removing part 53, the atomizing nozzle 54 and other dust removing means are adopted to collect and treat the dust generated in the dust collection cover 5, so that the problems of large dust amount and excessive emission at the connection part of two adjacent conveyors are solved to the greatest extent.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The material transfer device comprises a material transfer device of types, is arranged at the switching part of an upstream conveyor (1) and a downstream conveyor (2), and is characterized by comprising a plurality of buffer material guide pipes (3) which are connected, wherein the axial direction of an outlet section of each buffer material guide pipe (3) is closer to the conveying surface of the downstream conveyor (2) than the axial direction of an inlet section of the buffer material guide pipe;

   and an th limiting guide piece (31) is further arranged at the joint of the outlet section of the higher buffer material guide pipe (3) and the inlet section of the adjacent lower buffer material guide pipe (3) and used for guiding the flow direction of the material at the outlet section of the higher buffer material guide pipe (3) to be close to the axial direction of the inlet section of the adjacent lower buffer material guide pipe (3).
2. 2. The material transfer device according to claim 1, further comprising a dust cover (4), wherein the lower end of the dust cover (4) is connected to the inlet section of the uppermost buffer guide pipe (3), the side of the dust cover (4) is provided with an opening, and the blanking end of the upstream conveyor (1) is inserted into the dust cover (4) from the opening.
3. 3. The material transfer device according to claim 2, wherein a second limiting guide piece (41) is further arranged in the dust cover (4), and the second limiting guide piece (41) is located behind the blanking end part of the upstream conveyor (1) and used for guiding the material of the upstream conveyor (1) into the uppermost buffering guide pipe (3).
4. 4. A material transfer device according to claim 3, wherein the second limiting guide (41) is trough-shaped and has a width greater than or equal to the width of the material on the conveying surface of the upstream conveyor (1).
5. 5. The material transfer device according to claim 1, wherein the buffer material guiding pipe (3) is an arc pipe or a multi-section bent pipe.
6. 6. The material transfer device according to any one of claims 1-5, further comprising a dust hood (5), wherein the dust hood (5) is connected to the lowest level of the buffer guide pipe (3) and can cover a part of the conveying surface of the downstream conveyor (2).
7. 7. The material transfer device according to claim 6, wherein the lower ends of the two lateral side walls of the dust collection cover (5) are in sealing contact with the downstream conveyor (2), and the front end and the rear end of the dust collection cover (5) are provided with curtain dust blocking parts (51);

   in the dust collection cover (5), a labyrinth type dust blocking part (52) is further arranged between the blanking part of the lowest level of the buffering material guide pipe (3) and the curtain type dust blocking part (51) at the rear end.
8. 8. The material transfer device according to claim 7, wherein the labyrinth dust-proof component (52) comprises a plurality of dust-proof plates (521), and two adjacent dust-proof plates (521) are arranged in a staggered manner in the vertical direction;

   the curtain dust blocking member (51) comprises at least dust blocking curtains (511).
9. 9. The material transfer device according to claim 7, characterized in that the wall of the dust hood (5) between the labyrinth dust guard (52) and the rear curtain dust guard (51) is also provided with an air suction opening;

   the dust removal device further comprises a dust removal component (53), and the dust removal component (53) is connected with the air suction opening.
10. 10. The material transfer device according to claim 9, characterized in that several atomizing nozzles (54) are provided in the dust hood (5) in the area between the front curtain dust barrier (51) and the rear curtain dust barrier (51);

    the dust removing part (53) is a wet dust remover.

Images