Low-emission material conveying device

Abstract

The utility model belongs to the technical field of material transportation, and particularly relates to a low-emission material conveying device. The technology comprises a horizontally arranged belt conveyor, the right end of the belt conveyor is a discharging end, and the left end of the belt conveyor is a feeding end; a hopper used for collecting materials is arranged at the discharging end, three turnabout drums used for redirecting a conveying belt are installed in the return stroke direction of the conveying belt on the belt conveyor, and the three turnabout drums are the first turnabout drum, the second turnabout drum and the third turnabout drum in sequence in the return stroke direction. The first turnabout drum is located below the left of the discharging end, the second turnabout drum is located below the right of the first turnabout drum, the third turnabout drum is located on the left side of the first turnabout drum, and the conveying belt sequentially bypasses the upper surface of the first turnabout drum, the lower surface of the second turnabout drum and the upper surface of the third turnabout drum. According to the design, the structure is simple, and bulk materials generated in the material conveying process can be effectively recycled.

Description

Technical Field

[0001] The utility model belongs to the technical field of material transportation, and in particular relates to a low-emission material conveying device. Background Art

[0002] With the development of industry, the iron and steel metallurgical industry is one of the important industries that promote the development of social industry. Steel is an important food for industry, an important guarantee for construction, and an important support for the economy. As the most important raw material industry, the steel industry provides steel products that meet the needs of social development, national security, and people's lives.

[0003] The material yard, sintering and pelletizing are important components of the pre-iron production of steel plants. The transportation of raw materials, sintered ore, pelletized ore and other materials in the material yard, sintering and pelletizing is very critical. In the prior art, various bulk materials often appear in the material transportation process, especially at the transfer point. As the production proceeds, the bulk materials will accumulate and slowly pile up, causing a certain waste of resources. At the same time, it will also affect the normal work of material transportation. When the weather is dry, it will also cause dust, resulting in a bad environment. These bulk materials are very troublesome to clean up. There is no special cleaning equipment, and they all rely on manpower to clean with a shovel. In the process of manual cleaning with a shovel, other impurities will be introduced into the material, which will eventually affect the quality of the sintered ore or pelletized ore, requiring a lot of manual cleaning, which is bound to further increase the production cost. In addition, a large amount of dust will be generated during the transportation of materials, which will also have a bad impact on the environment inside the steel plant.

[0004] In the context of increasingly stringent environmental protection requirements, especially after the release of the document "Opinions on Promoting the Implementation of Ultra-low Emissions in the Steel Industry", various steel companies are required to meet ultra-low emission requirements in material transportation to protect the environment. In view of this, it is necessary to propose a low-emission material conveying device to solve or at least alleviate the above defects. Utility Model Content

[0005] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a low-emission material conveying device, which has a simple structure and can effectively recover the bulk material generated during the material conveying process.

[0006] The low-emission material conveying device comprises a horizontally arranged belt conveyor, the right end of the belt conveyor is a discharging end, and the left end is a feeding end; a funnel for collecting materials is arranged at the discharging end, and three redirecting rollers for redirecting the conveyor belt are installed in the return direction of the conveyor belt on the belt conveyor, and the three redirecting rollers are respectively the first redirecting roller, the second redirecting roller and the third redirecting roller in the return direction;

[0007] The first redirecting roller is located at the lower left of the discharge end, the second redirecting roller is located at the lower right of the first redirecting roller, and the third redirecting roller is located on the left side of the first redirecting roller. The conveyor belt passes around the upper surface of the first redirecting roller, the lower surface of the second redirecting roller and the upper surface of the third redirecting roller in sequence.

[0008] Furthermore, a funnel discharge chute is provided below the second redirecting roller, and the funnel discharge chute is installed on the funnel.

[0009] Furthermore, the driving roller on the belt conveyor is located at the discharging end, and the bottom of the driving roller is lower than the top of the first redirecting roller.

[0010] Furthermore, the tail roller on the belt conveyor is located at the feed end, and a fourth redirecting roller for redirecting the conveyor belt is installed on the return section of the conveyor belt near the tail roller.

[0011] Furthermore, the support on the belt conveyor includes a tail frame, an intermediate frame and a triangular head frame; the tail roller is installed on the tail frame, the third redirecting roller is installed on the bottom of the intermediate frame through the fourth redirecting roller support, the fourth redirecting roller is installed on the intermediate frame through the third redirecting roller support, and the first redirecting roller and the driving roller are installed on the triangular head frame.

[0012] Furthermore, a second redirecting roller bracket is fixed to the bottom of the tripod head frame, and the second redirecting roller is installed on the second redirecting roller bracket through a second redirecting roller support.

[0013] Furthermore, a plurality of supporting legs are installed at the bottom of the intermediate frame, and the supporting legs are height-adjustable structures.

[0014] Furthermore, a funnel cover is provided on the top of the funnel.

[0015] Furthermore, a sweeper for preliminary cleaning of sticky materials on the conveyor belt is designed at the joint between the funnel and the discharge end. The sweeper is installed in the funnel, and the funnel is used to collect materials from the sweeper and the discharge end.

[0016] Furthermore, the first redirecting roller is installed on the tripod head frame in a position-adjustable installation manner.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] This design can realize the recovery of bulk materials generated during the material transportation process, and collect and reuse the bulk materials, avoiding the waste of resources, and also meeting the requirements of the "Opinions on Promoting the Implementation of Ultra-low Emissions in the Steel Industry", which is more environmentally friendly. This design, through the clever coordination of the first redirection roller and the second redirection roller, combined with the method of transporting materials on the return journey of the conveyor belt, realizes the self-recovery of bulk materials, saving manpower and material resources for cleaning bulk materials. The design of this utility model is simple and clever, with a high degree of overall automation, energy-saving and environmentally friendly material transportation process, and excellent engineering economic benefits. This design mainly reflects the effect of low emissions in the field of material conveying devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings illustrate exemplary embodiments of the present disclosure and together with the description serve to explain the principles of the present disclosure. These drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure numerals: 1. tail roller; 2. tail frame; 3. fourth redirecting roller; 4. fourth redirecting roller support; 5. support leg; 6. intermediate frame; 7. third redirecting roller support; 8. third redirecting roller; 9. first redirecting roller; 10. second redirecting roller bracket; 11. second redirecting roller support; 12. second redirecting roller; 13. hopper unloading chute; 14. funnel; 15. sweeper; 16. driving roller; 17. funnel upper cover; 18. triangular head frame; 19. conveyor belt. DETAILED DESCRIPTION

[0022] The present disclosure is further described in detail below in conjunction with the accompanying drawings and implementations. It is understood that the specific implementations described herein are only used to explain the relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only the parts related to the present disclosure are shown in the accompanying drawings.

[0023] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in the present disclosure may be combined with each other. The present disclosure will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] Example

[0025] A low emission material conveying device described in this embodiment, such as Figure 1As shown, it includes a horizontally arranged belt conveyor, the right end of the belt conveyor is a discharging end, and the left end is a feeding end; a funnel 14 for collecting materials is arranged at the discharging end, and three redirecting rollers for redirecting the conveyor belt 19 are installed in the return direction of the conveyor belt 19 on the belt conveyor, and the three redirecting rollers are respectively a first redirecting roller 9, a second redirecting roller 12 and a third redirecting roller 8 in the return direction (the return direction is also as shown in FIG. Figure 1 The middle and lower conveyor belt 19 is from right to left);

[0026] The belt conveyor is a known technology and will not be described in detail here. Its main structures include a conveyor belt 19, a bracket, a driving roller 16 (sometimes called an active roller or a transmission roller) for driving, and a tail roller 1 (sometimes called a driven roller) for redirecting. The conveyor belt 19 is tensioned between the tail roller 1 and the driving roller 16. The conveyor belt 19 is driven to move by the driving roller 16. The driving roller 16 and the tail roller 1 are installed on the bracket.

[0027] The first redirecting roller 9 is located at the lower left of the discharge end, the second redirecting roller 12 is located at the lower right of the first redirecting roller 9, and the third redirecting roller 8 is located on the left side of the first redirecting roller 9. The conveyor belt 19 passes around the upper surface of the first redirecting roller 9, the lower surface of the second redirecting roller 12 and the upper surface of the third redirecting roller 8 in sequence.

[0028] Under the above-mentioned coordinated design of the first redirecting roller 9, the second redirecting roller 12 and the third redirecting roller 8, when there is material stuck on the surface of the conveyor belt 19, it will be slowly squeezed at the matching point between the conveyor belt 19 and the first redirecting roller 9. After being squeezed to a certain extent, the material will fall out of the matching point. At this time, the material will finally fall on the conveyor belt 19 between the first redirecting roller 9 and the second redirecting roller 12. At this time, it is only necessary to design a collecting trough or other collecting device at the second redirecting roller 12 where the material falls, and the conveyor belt 19 is transported to the collecting trough through the belt. Under the squeezing of the first redirecting roller 9 (also called tensioning wheel or tensioning roller in the belt conveyor) and the conveyor belt 19, the material will become dry and even form a block. At this time, after falling down, it will basically not stick to the conveyor belt 19. This design cleverly utilizes the squeezing phenomenon between the conveyor belt 19 and the first redirecting roller 9 when the first redirecting roller 9 is redirected to complete the scraping of the sticky material on the conveyor belt 19, and its effect is very obvious.

[0029] This embodiment further illustrates the technology of the above-mentioned collecting device, and a funnel discharge chute 13 is provided below the second redirecting roller 12, and the funnel discharge chute 13 is installed on the funnel 14. The use of this technology facilitates the direct drop of materials on the conveyor belt 19 between the first redirecting roller 9 and the second redirecting roller 12 into the funnel discharge chute 13, and the coordinated installation design of the funnel discharge chute 13 and the funnel 14 facilitates the unified reception of materials in the later stage. It is preferred that the funnel discharge chute 13 and the discharge end of the funnel 14 are arranged flush, and in actual application, the funnel discharge chute 13 and the funnel 14 can also be connected. Under the design of the funnel discharge chute 13, the bulk material that falls after the cooperation between the first redirecting roller 9 and the conveyor belt 19 is transported through the conveyor belt 19 between the first redirecting roller 9 and the second redirecting roller 12, and then directly sent to the funnel discharge chute 13 to realize the recycling of the bulk material; the funnel with its existing structure can also be used to replace the funnel discharge chute 13. In order to facilitate unified discharge, it is preferred that the outlet of the funnel 14 is connected to the funnel discharge chute 13, and the material is uniformly transported to the unloading point through the funnel discharge chute 13.

[0030] This embodiment further illustrates the technology. The driving roller 16 on the belt conveyor is located at the discharge end, and the bottom of the driving roller 16 is lower than the top of the first redirecting roller 9. The technical design of this section can increase the wrap angle between the conveyor belt 19 and the driving roller 16, effectively preventing the conveyor belt 19 from slipping on the driving roller 16, and can stably and continuously transport materials.

[0031] This embodiment further illustrates the technology, where the tail roller 1 on the belt conveyor is located at the feed end, and a fourth redirecting roller 3 for redirecting the conveyor belt 19 is installed on the return section of the conveyor belt 19 near the tail roller 1. The conveyor belt 19 passes around the top of the fourth redirecting roller 3, thereby increasing the wrap angle between the conveyor belt 19 and the tail roller 1, making it less likely to slip, and stabilizing the conveyor belt 19 for transporting materials.

[0032] When the belt conveyor is long, it is preferred that the brackets on the belt conveyor include a tail frame 2, an intermediate frame 6 and a triangular head frame 18; the tail roller 1 is mounted on the tail frame 2, the third redirecting roller 8 is mounted on the bottom of the intermediate frame 6 through the fourth redirecting roller support 4, the fourth redirecting roller 3 is mounted on the intermediate frame 6 through the third redirecting roller support 7, and the first redirecting roller 9 and the driving roller 16 are mounted on the triangular head frame 18. The bracket designed in this section is convenient for installation and transportation, etc. The intermediate frame 6 is mainly designed to support the conveyor belt 19, and is also used for the installation of the fourth redirecting roller 3 and the third redirecting roller 8.

[0033] This embodiment further illustrates the technology. A second redirecting roller bracket 10 is fixed to the bottom of the tripod head frame 18 , and the second redirecting roller 12 is installed on the second redirecting roller bracket 10 through a second redirecting roller support 11 .

[0034] This embodiment further explains the technology. A plurality of legs 5 are installed at the bottom of the intermediate frame 6. The legs 5 are height-adjustable structures. The number of legs 5 can be determined according to the length of the intermediate frame 6. The technical design of this section can realize long-distance transportation and transportation at different heights, and has a wide range of applications and flexible applications. There are many existing technologies for realizing the height-adjustable structure of the legs 5, such as the legs 5 designed by hydraulic cylinders, air cylinders, and telescopic rods. Two large and small square tubes can also be used, the small one is inserted into the large square tube, holes are punched in the two square tubes, and locking pins are installed in the holes.

[0035] This embodiment further illustrates the technology, and a funnel cover 17 is provided on the top of the funnel 14. When the conveying device conveys materials, dust will be generated in the funnel 14. The external dust removal system connected to the funnel cover 17 can collect the dust to avoid environmental pollution.

[0036] This embodiment further explains the technology. The funnel 14 and the discharge end are designed with a sweeper 15 for preliminary cleaning of sticky materials on the conveyor belt 19. The sweeper 15 is installed in the funnel 14. The funnel 14 is used to collect the sweeper 15 and the materials at the discharge end. The sweeper 15 is a known technology and will not be described here. The sweeper 15 can be used to clean part of the materials stuck on the conveyor belt 19 to avoid a large amount of bulk materials in the return direction, which causes environmental problems.

[0037] This embodiment further explains the technology. The first redirecting roller 9 is installed on the triangular head frame 18 in an adjustable position. The technology for realizing the adjustable position of the first redirecting roller 9 is the existing technology, such as using a sliding rail and a slider that are slidably matched. The rail is installed on the triangular head frame 18, and the first redirecting roller 9 is installed on the slider. A locking component is set between the slider and the rail to lock the slider after the slider moves. The locking component can be a locking screw or a locking pin, etc., and the existing technology such as a more intelligent hydraulic cylinder or a hydraulic cylinder can also be used to complete the position adjustment of the first redirecting roller 9; the adjustment direction can be adjusted left and right along the return direction of the conveyor belt 19, or it can be adjusted up and down. After this adjustment design, the wrap angle of the conveyor belt 19 on the drive roller 16 can be increased or decreased.

[0038] During application, the fourth redirecting roller 3 can also be installed on the fourth redirecting roller support 4 in a positionally adjustable installation manner, similar to the installation principle of the first redirecting roller 9 .

[0039] The following describes how to use it together with the above overall solution:

[0040] The first step is to determine the number of legs 5 according to the conveying distance, and then place the legs 5 in sequence along the conveying direction, and adjust the height of the legs 5 according to the height of the material receiving point, and then place the legs 5 near the material receiving point (that is, Figure 1 The tail frame 2 and the tail roller 1 are placed at the left end of the material, and the tail frame 2 and the tail roller 1 are placed near the unloading point (that is, Figure 1 A triangular head frame 18 (the triangular head frame 18 can be welded by angle steel or channel steel during manufacture, and its structure is not necessarily a triangular structure, but can be other structures as long as the first redirecting roller 9 and the driving roller 16 can be installed) and a driving roller 16 are placed at the right end of the middle frame 6, and then the intermediate frame 6, the conveyor belt 19, the fourth redirecting roller 3, the third redirecting roller 8, the second redirecting roller 12, the funnel 14, the funnel cover 17 and the sweeper 15.

[0041] In the second step, the material is loaded onto the conveyor belt 19 from the material receiving point, and the driving device of the driving roller 16 (the driving device can be a motor or a servo motor, etc.) is started, and the driving roller 16 rotates to drive the conveyor belt 19 to move toward the funnel 14 (that is, Figure 1 The conveyor belt 19 runs clockwise), and the conveyor belt 19 transports the materials toward the funnel 14 at the same time.

[0042] In the third step, after the conveyor belt 19 transports the material to the driving roller 16, the material is unloaded into the funnel 14, and then the material enters the funnel discharge chute 13 (if the funnel discharge chute 13 and the funnel 14 are installed side by side, a separate discharge chute for receiving the funnel discharge chute 13 and the funnel 14 is required), and then falls from the discharge port below the funnel discharge chute 13 to the unloading point of the transportation destination.

[0043] In the fourth step, after the conveyor belt 19 has unloaded the material, some of the material will stick to the conveyor belt 19 , and the cleaner 15 arranged in the funnel 14 will perform preliminary cleaning on the conveyor belt and clean the material sticking to the conveyor belt 19 into the funnel 14 .

[0044] In the fifth step, the conveyor belt 19 cleaned by the sweeper 15 passes around the first redirecting roller 9. A small amount of material will still be stuck on the conveyor belt 19 that has been initially cleaned by the sweeper 15. When the conveyor belt 19 is redirected by the first redirecting roller 9, these materials will stick to the place where the first redirecting roller 9 and the conveyor belt 19 are closely matched (that is, Figure 1The conveyor belt 19 continues to run to the second redirecting roller 12. When more and more materials are on the first redirecting roller 9, they will fall to form bulk materials. These bulk materials will then fall onto the conveyor belt 19 under the first redirecting roller 9 and reach the second redirecting roller 12. Then, these bulk materials will be unloaded into the hopper unloading chute 13 to complete the recovery of these bulk materials.

[0045] The sixth step is to bypass the conveyor belt 19 of the second redirecting roller 12 and then reach the third redirecting roller 8 upwards, and then reach the fourth redirecting roller 3 after passing the third redirecting roller 8, and then bypass the tail roller 1, return to the material receiving point to receive the material, and then circulate.

[0046] In the description of this specification, the description with reference to the terms "one embodiment / method", "some embodiments / methods", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment / method or example are included in at least one embodiment / method or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment / method or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments / methods or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments / methods or examples described in this specification and the features of the different embodiments / methods or examples, unless they are contradictory.

[0047] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0048] Those skilled in the art should understand that the above embodiments are only for the purpose of clearly illustrating the present disclosure, and are not intended to limit the scope of the present disclosure. For those skilled in the art, other changes or modifications may be made based on the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims

1. A low-emission material conveying device, comprising a horizontally arranged belt conveyor, wherein the right end of the belt conveyor is a discharge end and the left end is a feed end; a funnel (14) for collecting materials is arranged at the discharge end, characterized in that: Three redirecting rollers for redirecting the conveyor belt (19) are installed on the conveyor belt (19) in the return direction, and the three redirecting rollers are respectively a first redirecting roller (9), a second redirecting roller (12) and a third redirecting roller (8) in the return direction; The first redirecting roller (9) is located at the lower left of the discharge end, the second redirecting roller (12) is located at the lower right of the first redirecting roller (9), and the third redirecting roller (8) is located at the left side of the first redirecting roller (9). The conveyor belt (19) sequentially passes over the upper surface of the first redirecting roller (9), the lower surface of the second redirecting roller (12), and the upper surface of the third redirecting roller (8).

2. The low emission material conveying device according to claim 1, characterized in that: A hopper unloading chute (13) is provided below the second redirecting roller (12), and the hopper unloading chute (13) is installed on the funnel (14).

3. The low emission material conveying device according to claim 1 or 2, characterized in that: The driving roller (16) on the belt conveyor is located at the discharge end, and the bottom of the driving roller (16) is lower than the top of the first redirecting roller (9).

4. The low emission material conveying device according to claim 3, characterized in that: The tail roller (1) on the belt conveyor is located at the feeding end, and a fourth redirecting roller (3) for redirecting the conveyor belt (19) is installed on the return section of the conveyor belt (19) near the tail roller (1).

5. The low emission material conveying device according to claim 4, characterized in that: The support on the belt conveyor comprises a tail frame (2), an intermediate frame (6) and a triangular head frame (18); the tail roller (1) is mounted on the tail frame (2), the third redirecting roller (8) is mounted on the bottom of the intermediate frame (6) via a fourth redirecting roller support (4), the fourth redirecting roller (3) is mounted on the intermediate frame (6) via a third redirecting roller support (7), and the first redirecting roller (9) and the driving roller (16) are mounted on the triangular head frame (18).

6. The low emission material conveying device according to claim 5, characterized in that: A second redirecting roller bracket (10) is fixed to the bottom of the triangular head frame (18), and the second redirecting roller (12) is installed on the second redirecting roller bracket (10) via a second redirecting roller support (11).

7. The low emission material conveying device according to claim 6, characterized in that: A plurality of supporting legs (5) are installed at the bottom of the intermediate frame (6), and the supporting legs (5) are height-adjustable structures.

8. The low emission material conveying device according to claim 6, characterized in that: A funnel upper cover (17) is arranged on the top of the funnel (14).

9. The low emission material conveying device according to claim 8, characterized in that: The funnel (14) is provided with a sweeper (15) at the joint position with the discharge end for preliminary cleaning of sticky materials on the conveyor belt (19). The sweeper (15) is installed in the funnel (14). The funnel (14) is used to collect materials from the sweeper (15) and the discharge end.

10. The low emission material conveying device according to claim 5, characterized in that: The first redirecting roller (9) is mounted on a tripod head frame (18) in a position-adjustable mounting manner.

Images