Sealing device of belt conveyor

Abstract

The utility model provides a sealing device for a belt conveyor, which relates to the technical field of material conveying, is used for sealing a trestle corridor of an air film building, and comprises at least one sealing unit arranged between the belt conveyor and the trestle corridor, the sealing unit is connected with a trestle corridor of an air film building through a sealing wall and comprises a partition plate assembly and a sealing curtain, the partition plate assembly is used for surrounding the circumference of a conveying belt of the belt conveyor, and the sealing curtain is arranged between the partition plate assembly and the conveying belt. And the sealing curtain is dynamically pushed away and automatically reset to form a dynamic sealing barrier, so that the leakage of the air film building when the belt conveyor enters and exits the air film building and the generation of dust when coal is conveyed are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to material conveying technical field especially is related to a belt conveyor sealing device. BACKGROUND

[0002] At present, when conveying materials in and out of the air film building, such as conveying coal and other materials, it is generally conveyed through a conveyor belt and other devices, that is, a hole is formed in the wall of the air film building to set the conveyor belt device, thereby completing the conveying of the materials.

[0003] However, after setting the conveyor belt device in the above manner, it may cause certain leakage of the air film building, resulting in insufficient pressure in the air film building. In addition, when conveying coal and other materials, a large amount of dust will be generated, causing the phenomenon of coal and powder leakage outside the air film building. SUMMARY

[0004] Therefore, the utility model aims at providing a belt conveyor sealing device to solve the technical problems that the belt conveyor may cause certain leakage of the air film building when entering and leaving the air film building, and a large amount of dust is generated when conveying coal and other materials.

[0005] In order to achieve the above purpose, the utility model provides a belt conveyor sealing device for sealing the trestle corridor of the air film building, comprising at least one sealing unit arranged between the belt conveyor and the trestle corridor, the sealing unit being connected with the trestle corridor of the air film building through a sealing wall, the sealing unit comprising a baffle assembly and a sealing curtain, the baffle assembly being used for surrounding the circumference of the conveyor belt of the belt conveyor, the sealing curtain being arranged between the baffle assembly and the conveyor belt, and the sealing curtain being dynamically pushed away and automatically reset when the conveyor belt carries materials.

[0006] Optionally, the sealing curtain comprises several layers and is arranged at a preset distance.

[0007] Optionally, the sealing curtain is a rubber plate vertical hanging door curtain.

[0008] Optionally, the sealing curtain comprises a main sealing curtain and an auxiliary sealing curtain, and the main sealing curtain and the auxiliary sealing curtain are vertically arranged in staggered seams.

[0009] Optionally, a top maintenance door plate door frame and a side maintenance door plate door frame are further arranged between the baffle assembly and the sealing wall, and the top maintenance door plate door frame and the side maintenance door plate door frame are detachably arranged on the inner wall of the sealing wall.

[0010] Optionally, the top and side of the partition assembly are detachably arranged on the top access door frame and the side access door frame, and the bottom of the partition assembly is detachably arranged on the ground.

[0011] Optionally, the partition assembly is provided with an upper conveying belt passing area and a lower conveying belt passing area, the upper conveying belt passing area is arranged apart from the lower conveying belt passing area, and the upper conveying belt passing area is provided with the sealing curtain.

[0012] Optionally, the top of the upper conveying belt passing area is provided with a height adjusting assembly connected with the sealing curtain, for adjusting the height of the sealing curtain.

[0013] Optionally, the bottom of the upper conveying belt passing area is provided with a first elastic brush sealing strip, and the top and bottom of the lower conveying belt passing area are both provided with a second elastic brush sealing strip.

[0014] Optionally, the two ends of the first elastic brush sealing strip are upwardly bent, and the second elastic brush sealing strips are arranged in parallel.

[0015] The sealing device of the belt conveyor has the following technical effects:

[0016] The sealing device of the belt conveyor is used for sealing the trestle corridor of the air film building, and comprises at least one sealing unit arranged between the belt conveyor and the trestle corridor of the air film building, wherein the sealing unit is connected with the trestle corridor of the air film building through a sealing wall, the sealing unit comprises a partition assembly and a sealing curtain, the partition assembly is used for surrounding the circumferential direction of the conveying belt of the belt conveyor, and the sealing curtain is arranged between the partition assembly and the conveying belt, that is, the sealing curtain is dynamically pushed away and automatically reset by using the weight and flexible characteristics of the sealing curtain when the conveying belt carries materials, so that a dynamic sealing barrier is formed, and the leakage of the air film building and the generation of dust when conveying coal are avoided when the belt conveyor enters or exits the air film building. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0018] Figure 1 is a perspective state structure schematic view of the sealing device of the belt conveyor of the present application;

[0019] Figure 2 is Figure 1 is a top view of the sealing device of the belt conveyor in the present application;

[0020] Figure 3 is Figure 1 Structure diagram of sealing unit of sealing device of belt conveyor;

[0021] Figure 4 is Figure 3 Side view of sealing unit;

[0022] Figure 5 is Figure 1 First side view of top access door panel door frame and side access door panel door frame of sealing device of belt conveyor;

[0023] Figure 6 is Figure 1 Second side view of top access door panel door frame and side access door panel door frame of sealing device of belt conveyor.

[0024] wherein, Figures 1-6 :

[0025] 1, sealing unit; 11, partition assembly; 111, first partition; 112, second partition; 113, third partition; 12, side access door panel door frame; 13, top access door panel door frame;

[0026] 2, sealing curtain;

[0027] 3, upper conveyor belt passing area; 31, first elastic brush sealing strip;

[0028] 4, lower conveyor belt passing area; 41, second elastic brush sealing strip. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0030] Based on the defects described in the prior art, the specific drawings will be combined below Figures 1-6 The sealing device of the belt conveyor of the present application will be described in detail.

[0031] As Figures 1-6 shown, it is a structure diagram of a preferred embodiment of the sealing device of the belt conveyor of the present application, which is used for sealing the catwalk corridor of the air film building, wherein the catwalk corridor leads from the inside to the outside of the air film building, and the conveyor belt of the belt conveyor is installed in the catwalk corridor.

[0032] The sealing device comprises at least one sealing unit 1, as shown in the drawings Figure 1 and Figure 2 The sealing unit 1 is installed between the belt conveyor and the trestle corridor, and the sealing unit 1 is connected with the trestle corridor of the air film building through a sealing wall, for example, the sealing unit 1 can be one, two or more, and each sealing unit 1 is arranged in the extension direction of the trestle corridor, thereby enhancing the sealing of the air film building.

[0033] Since each sealing unit 1 is independent along the conveying direction of the belt conveyor, a modular partition unit is formed, which is convenient for segmented maintenance and adaptation to trestle corridors of different lengths.

[0034] Specifically, the sealing unit 1 comprises a partition assembly 11 and a sealing curtain 2, the partition assembly 11 is used for surrounding the conveying belt of the belt conveyor in the circumferential direction, and the sealing curtain 2 is arranged between the partition assembly 11 and the conveying belt, when the conveying belt carries materials to pass through, the sealing curtain 2 is dynamically pushed away and automatically resets to form a dynamic sealing barrier, that is, through the self-adaptive opening and closing of the sealing curtain 2 and the design of the air pressure difference, the internal air pressure of the air film building is ensured to be stable, and the energy consumption is reduced (compared with the traditional sealing, the air leakage amount is reduced by more than 30%).

[0035] The sealing unit 1 with the structure can be used for an air film coal storage shed / material yard, is suitable for a material conveying trestle in an air film building, solves the air leakage problem of the traditional air film building caused by the conveyor passage, and can also be used for a reversible belt conveyor, supports a sealing design for bidirectional conveying, is flexibly connected with the sealing wall through the sealing unit 1, and adapts to the movement requirement of the conveyor.

[0036] The sealing curtain 2 is made of wear-resistant rubber material, that is, a rubber plate is used as a door curtain, and the sealing curtain 2 is dynamically pushed away and automatically resets by using the weight and the flexible characteristics when the materials pass through, so that a dynamic sealing barrier is formed, and then the internal and external air pressures of the air film building are balanced, and the air leakage amount is reduced.

[0037] The sealing curtain 2 comprises a plurality of layers, preferably two layers, that is, a main sealing curtain 2 and an auxiliary sealing curtain 2, the main sealing curtain 2 and the auxiliary sealing curtain 2 are arranged at a preset distance and are vertically staggered, and the main sealing curtain 2 and the auxiliary sealing curtain 2 are 10 mm thick.

[0038] In addition, a sealing door with an air pressure self-locking function can also be arranged on the sealing wall, so that the air tightness loss is further reduced.

[0039] The partition plate assembly 11 comprises a first partition plate 111, a second partition plate 112 and a third partition plate 113, the first partition plate 111, the second partition plate 112 and the third partition plate 113 are sequentially arranged from bottom to top, wherein the first partition plate 111 is used for being fixed on a reinforced concrete ground and is fixed through a plurality of M12 chemical anchor bolts 300, a lower conveying belt passing area 4 is formed between the first partition plate 111 and the second partition plate 112, the third partition plate 113 comprises two pieces, the sealing curtain 2 is located between the two pieces of the third partition plate 113 and is located above the second partition plate 112, that is, an area where the sealing curtain 2 is located forms an upper conveying belt passing area 3.

[0040] It should be noted that the first partition plate 111, the second partition plate 112 and the third partition plate 113 of the utility model can adopt iron plate, aluminum plate or rubber plate and the like materials, so that air leakage is prevented, deformation is avoided and long-term durability is ensured.

[0041] In order to match the upper conveying belt and the lower conveying belt of the belt conveyor, the upper conveying belt passing area 3 and the lower conveying belt passing area 4 of the embodiment are spaced apart by a certain distance.

[0042] As shown in Figure 3 and Figure 4 , the bottom of the upper conveying belt passing area 3 is provided with a first elastic brush sealing strip 31, the first elastic brush sealing strip 31 is fixedly installed on the upper edge of the second partition plate 112 and is in contact with the lower surface of the upper conveying belt, and the sealing curtain 2 is in contact with the upper surface of the upper conveying belt; the top and the bottom of the lower conveying belt passing area 4 are both provided with a second elastic brush sealing strip 41, one of the second elastic brush sealing strips 41 is located on the lower edge of the second partition plate 112 and is in contact with the upper surface of the lower conveying belt, and the other second elastic brush sealing strip 41 is located on the upper edge of the first partition plate 111 and is in contact with the lower surface of the lower conveying belt. When the conveying belt passes, the existence of the first elastic brush sealing strip 31 and the second elastic brush sealing strip 41 can strengthen the sealing degree of the air film building.

[0043] In order to match the shape of the upper conveying belt, further referring to Figure 3 and Figure 4 , the two ends of the first elastic brush sealing strip 31 are upwardly bent, that is, the first elastic brush sealing strip 31 is divided into three parts, the middle part is horizontal, and the two end parts are upwardly bent to form a U-shaped structure with a large opening degree.

[0044] Similarly, in order to match the shape of the lower conveying belt, the second elastic brush sealing strips 41 are arranged in parallel. The lower conveying belt can pass through the gap between the two second elastic brush sealing strips 41.

[0045] In order to adjust the height of the sealing curtain 2 and prolong the service life of the sealing curtain 2, as a preferred embodiment, the upper conveying belt passes through the top of the zone 3 and is provided with a height adjusting assembly connected with the sealing curtain 2 for adjusting the height of the sealing curtain 2.

[0046] The height adjusting assembly of the embodiment can be a lead screw and can also be a support rod, as long as the height adjustment of the sealing curtain 2 can be realized, and all are within the protection scope of the utility model. For example, the position of the support rod is adjusted by rotating the adjusting handle, and the sealing curtain 2 is repositioned after the worn part is cut.

[0047] In order to further strengthen the connection strength and sealing strength between the partition assembly 11 and the sealing wall, as shown in Figure 5 and Figure 6 The partition assembly 11 is also provided with a top maintenance door frame 13 and a side maintenance door frame 12 between the sealing wall, and the top maintenance door frame 13 and the side maintenance door frame 12 are detachably arranged on the inner wall of the sealing wall, that is, the installation of the partition assembly 11 on the sealing wall is realized through the top maintenance door frame 13 and the side maintenance door frame 12.

[0048] Specifically, the two sides of the first partition 111 are detachably connected with the side maintenance door frame 12, the two sides of the second partition 112 are detachably connected with the side maintenance door frame 12, and the two sides of the third partition 113 are also detachably connected with the side maintenance door frame 12, and the top of the third partition 113 is detachably connected with the top maintenance door frame 13. The bolt used in the detachable connection is a M12 chemical anchor bolt 140.

[0049] In the description of the utility model, it should be explained that, unless otherwise stated, the meaning of "multiple" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0050] In the description of the utility model, still need to explain, unless another explicit provision and limitation, term " install " " link " " connection " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium.

[0051] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A belt conveyor sealing device for sealing the walkway of an air-supported membrane structure, characterized in that, It includes at least one sealing unit located between the belt conveyor and the trestle corridor. The sealing unit is connected to the trestle corridor of the air-supported structure through a sealing wall. The sealing unit includes a partition assembly and a sealing curtain. The partition assembly is used to surround the circumference of the conveyor belt of the belt conveyor. The sealing curtain is located between the partition assembly and the conveyor belt. When the conveyor belt carries material through, the sealing curtain is dynamically pushed open and automatically reset.

2. The belt conveyor sealing device according to claim 1, characterized in that, The sealing curtain comprises several layers, spaced at preset intervals.

3. The belt conveyor sealing device according to claim 2, characterized in that, The sealing curtain is a rubber-board hanging curtain.

4. The belt conveyor sealing device according to claim 2, characterized in that, The sealing curtain includes a main sealing curtain and an auxiliary sealing curtain, which are arranged vertically with staggered seams.

5. The belt conveyor sealing device according to any one of claims 1-4, characterized in that, A top inspection door frame and a side inspection door frame are also provided between the partition assembly and the sealing wall. The top inspection door frame and the side inspection door frame are detachably mounted on the inner wall of the sealing wall.

6. The belt conveyor sealing device according to claim 5, characterized in that, The top and sides of the partition assembly are detachably mounted on the top access door frame and the side access door frame, and the bottom of the partition assembly is detachably mounted on the ground.

7. The belt conveyor sealing device according to claim 5, characterized in that, The partition assembly is provided with an upper conveyor belt passage area and a lower conveyor belt passage area, which are spaced apart. The upper conveyor belt passage area is provided with the sealing curtain.

8. The belt conveyor sealing device according to claim 7, characterized in that, A height adjustment component is provided at the top of the upper conveyor belt passage area. The height adjustment component is connected to the sealing curtain and is used to adjust the height of the sealing curtain.

9. The belt conveyor sealing device according to claim 7, characterized in that, The bottom of the upper conveyor belt passage area is provided with a first elastic brush sealing strip, and the top and bottom of the lower conveyor belt passage area are provided with second elastic brush sealing strips.

10. The sealing device for a belt conveyor according to claim 9, characterized in that, The two ends of the first elastic brush sealing strip are bent upwards, and the second elastic brush sealing strip is arranged in parallel.

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