CN216071642U - Air-tight device of guide chute - Google Patents
Air-tight device of guide chute Download PDFInfo
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- CN216071642U CN216071642U CN202122385615.9U CN202122385615U CN216071642U CN 216071642 U CN216071642 U CN 216071642U CN 202122385615 U CN202122385615 U CN 202122385615U CN 216071642 U CN216071642 U CN 216071642U
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Abstract
The utility model belongs to the technical field of air tightness of transportation assemblies, and particularly relates to a guide chute air-tight device which comprises a box body, a transportation assembly, a first dust-blocking curtain assembly and an air draft device, wherein the box body is arranged in an air film, the box body is provided with an air inlet and a discharge hole, the transportation assembly is arranged in the box body, the first dust-blocking curtain assembly is connected with the box body and extends into the box body, the first dust-blocking curtain assembly is axially arranged along the transportation assembly, and the first dust-blocking curtain assembly is used for blocking dust; the air draft device is arranged at the discharge end of the box body, is communicated with the air film space outside the box body and the space in the box body and is used for pumping dust in the box body back into the air film; the air draft device is added, dust in the box body can be pumped back into the air film through the air draft device, the dust exposure is reduced, and the environmental protection and economic losses are fundamentally solved.
Description
Technical Field
The utility model belongs to the technical field of air tightness of transportation assemblies, and particularly relates to an air-tight device of a guide chute.
Background
The air leakage and the exposed dust amount of the traditional guide chute airtight device are large, the energy consumption of an air film structure is high due to the large air leakage, and the exposed air volume needs to be supplemented; in addition, the exposed dust can not meet the requirement of environmental protection and can cause economic loss.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a guide chute airtight device which has good sealing performance and reduces dust exposure, in particular to the guide chute airtight device.
The utility model provides a guide chute airtight device which comprises a box body, a transportation assembly, a first dust-blocking curtain assembly and an air draft device, wherein the box body is arranged in an air film and is provided with an air inlet and a discharge port; the air draft device is arranged at the discharge end of the box body and is communicated with the air film space outside the box body and the space inside the box body, and the air draft device is used for pumping dust in the box body back into the air film.
Preferably, the transport assembly comprises a conveyor provided with an upper conveyor belt and a lower conveyor belt.
Preferably, the top surface of the upper conveying belt is adjacent to the first dust curtain component, and the upper conveying belt is used for conveying materials to the discharge hole.
Preferably, the first dust-blocking curtain component is a drawer-type dust-blocking curtain, the upper end of the drawer-type dust-blocking curtain is movably connected with the top end of the box body, the lower end of the drawer-type dust-blocking curtain extends into the box body and is suspended, and the end part of the lower end of the drawer-type dust-blocking curtain is adjacent to the upper conveying belt.
Preferably, the dust-proof device further comprises a second dust-proof curtain component which is a fixed dust-proof curtain, the fixed dust-proof curtain is fixedly connected to the box body and sleeved on the lower conveying belt, and the edge in the middle of the fixed dust-proof curtain is adjacent to the surface of the lower conveying belt.
Preferably, the two sides of the drawer type dust-blocking curtain are respectively provided with an anti-overflow apron plate and a pressing device, the anti-overflow apron plates are arranged on the upper conveying belt, and the anti-overflow apron plates are abutted against the side surfaces of the drawer type dust-blocking curtain; the anti-overflow skirtboard is connected with the box body through a pressing device, and the pressing device is used for controlling the anti-overflow skirtboard to press the drawer type dust blocking curtains.
Preferably, the drawer type dust-blocking curtains are arranged at intervals along the axial direction of the box body, and two drawer type dust-blocking curtains are arranged at each position.
Preferably, as shown in fig. 3, the box body further comprises a door-shaped bracket, and the door-shaped bracket is mounted at the end part of the box body and is used for supporting the end part of the box body.
Preferably, the device also comprises a closing plate, the upper end of the closing plate is connected with the air film, and the side surface of the closing plate is connected with the door-shaped bracket; the closing plate is provided with a reserved hole which is arranged corresponding to the discharge hole.
Preferably, the upper conveyor belt is arcuate.
Has the advantages that:
1. the air draft device is added, dust in the box body can be pumped back into the air film through the air draft device, the dust exposure is reduced, and the environmental protection and economic losses are fundamentally solved.
2. The conveying assembly, the first dust blocking curtain assembly and the second dust blocking curtain assembly are good in sealing performance with the upper conveying belt and the lower conveying belt, and dust and air quantity cannot be exposed in the conveying process.
3. The first dust curtain component arranged in a drawer mode is convenient to replace.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an axial sectional view of a guide chute airtight device in the practice of the present invention.
Fig. 2 is a radial sectional view of a guide chute airtight device in the practice of the present invention.
Fig. 3 is a radial sectional view of a baffle box airtight device provided with a second dust curtain assembly in the implementation of the utility model.
Description of reference numerals:
1-a box body;
11-an air inlet; 12-a discharge hole;
2-a transport assembly;
21-upper conveying belt; 22-lower conveyor belt;
3-a first dust curtain assembly;
4-an air draft device;
5-air film;
6-a second dust curtain assembly;
7-anti-overflow apron board; 8-a pressing device; 9-door support;
10-a closing plate; 101-reserving a hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the air-tight device of the material guide chute provided by the embodiment comprises a box body 1, a transportation assembly 2, a first dust curtain assembly 3 and an air draft device 4; the box body 1 is arranged in the air film 5, the box body 1 is provided with an air inlet 11 and a discharge hole 12, the transportation component 2 is arranged in the box body 1, the first dust-blocking curtain component 3 is connected with the box body 1 and extends into the box body 1, the first dust-blocking curtain component 3 is arranged along the axial direction of the transportation component 2, and the first dust-blocking curtain component 3 is used for blocking dust; the air draft device 4 is arranged at the discharge end of the box body 1, and is communicated with the air film space outside the box body 1 and the box body space, and is used for pumping the positive pressure in the air film 5 and the dust generated in the coal conveying process in the box body 1 back into the air film 1.
Further, the transport assembly 2 comprises a conveyor provided with an upper conveyor belt 21 and a lower conveyor belt 22.
Further, the top surface of the upper conveyor belt 21 is adjacent to the first dust curtain assembly 3, and the upper conveyor belt 21 is used for conveying materials to the discharge port 12.
Furthermore, the first dust-blocking curtain component 3 is a drawer-type dust-blocking curtain, the upper end of the drawer-type dust-blocking curtain is movably connected with the top end of the box body 1, the lower end of the drawer-type dust-blocking curtain extends into the box body 1 and is suspended, and the end part of the lower end of the drawer-type dust-blocking curtain is adjacent to the upper conveying belt 21.
Further, as shown in fig. 3, the dust-proof device further includes a second dust-proof curtain assembly 6, the second dust-proof curtain assembly 6 is a fixed dust-proof curtain, the fixed dust-proof curtain is fixedly connected to the box body 1 and sleeved on the lower conveying belt 22, and the middle edge of the fixed dust-proof curtain is adjacent to the surface of the lower conveying belt 22.
Further, both sides of the drawer type dust blocking curtain are provided with an anti-overflow apron plate 7 and a pressing device 8, the anti-overflow apron plate 7 is arranged on the upper conveying belt 21, and the anti-overflow apron plate 7 abuts against the side face of the drawer type dust blocking curtain; the anti-overflow apron board 7 is connected with the box body 1 through a pressing device 8, and the pressing device 8 is used for controlling the anti-overflow apron board 7 to press the drawer type dust blocking curtain.
Further, the drawer type dust-blocking curtains are arranged along the axial direction of the box body 1 at intervals, and two drawer type dust-blocking curtains are arranged at each position.
Further, the box body structure also comprises a door-shaped bracket 9, wherein the door-shaped bracket 9 is arranged at the end part of the box body 1 and is used for supporting the end part of the box body 1; door style of calligraphy support 9 is angle bar steel structure support in this embodiment, can use the supporting structure of adaptation according to actual conditions.
Furthermore, the device also comprises a closing plate 10, the upper end of the closing plate 10 is connected with the air film 5, and the side surface of the closing plate is connected with the door-shaped bracket 9; the closing plate 10 is provided with a reserved hole 101, and the reserved hole 101 is arranged corresponding to the discharge hole 12.
Further, the upper conveyor belt 21 is arc-shaped.
When the device operates, coal materials are placed on the upper conveying belt and conveyed through the conveyor, and air enters the box body from the air inlet due to the fact that positive pressure in the air film is larger than external pressure, and dust can be raised in the conveying process; when materials pass through the first dust-blocking curtain component, part of dust generated in the coal conveying process is blocked, meanwhile, the dust on the conveying belt is blocked by the second dust-blocking curtain component, the third dust-blocking curtain component and the fourth dust-blocking curtain component, and the exposed dust is finally pumped back to the inside of the air film through the dust pumping device, so that the exposure of the dust is reduced.
The guide chute airtight device provided by the embodiment has the following beneficial effects:
1. the air draft device 4 is added, dust in the box body 1 can be drawn back into the air film 5 through the air draft device 4, the dust exposure is reduced, and the environmental protection and economic loss are fundamentally solved.
2. By adopting the transporting component 2, the first dust-blocking curtain component 3 and the second dust-blocking curtain component 6 have good sealing performance with the upper conveying belt 21 and the lower conveying belt 22, and no dust and air quantity are exposed in the material conveying process.
3. The first dust curtain component 3 arranged in a drawer type is convenient to replace.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The guide chute airtight device is characterized by comprising a box body (1), a transportation component (2), a first dust-blocking curtain component (3) and an air draft device (4), wherein the box body (1) is installed in an air film (5), the box body (1) is provided with an air inlet (11) and a discharge port (12), the transportation component (2) is installed in the box body (1), the first dust-blocking curtain component (3) is connected with the box body (1) and extends into the box body (1), the first dust-blocking curtain component (3) is axially arranged along the transportation component (2), and the first dust-blocking curtain component (3) is used for blocking dust; updraft ventilator (4) set up in the discharge end of box (1), the outer air film space of intercommunication box (1) and box inner space for take out dust in box (1) back in air film (5).
2. A guide chute airtight device according to claim 1, characterized in that the transport assembly (2) comprises a conveyor provided with an upper conveyor belt (21) and a lower conveyor belt (22).
3. A chute gas-tight device as claimed in claim 2, wherein said upper conveyor belt (21) is located at its top surface adjacent to said first dust curtain assembly (3), said upper conveyor belt (21) being adapted to convey material to the discharge outlet.
4. A material guide chute airtight device as defined in claim 3 wherein, the first dust-blocking curtain component (3) is a drawer type dust-blocking curtain, the upper end of the drawer type dust-blocking curtain is movably connected with the top end of the box body (1), the lower end of the drawer type dust-blocking curtain extends into the box body (1) and is suspended, and the lower end of the drawer type dust-blocking curtain is adjacent to the upper conveying belt (21).
5. The airtight device of a material guiding chute as defined in claim 2, further comprising a second dust curtain assembly (6), wherein the second dust curtain assembly (6) is a fixed dust curtain, the fixed dust curtain is fixedly connected to the box body (1) and sleeved on the lower conveying belt (22), and the middle edge of the fixed dust curtain is adjacent to the surface of the lower conveying belt (22).
6. The airtight device of a material guide chute as claimed in claim 4, wherein an overflow preventing apron board (7) and a pressing device (8) are arranged on both sides of the drawer type dust-blocking curtain, the overflow preventing apron board (7) is arranged on the upper conveying belt (21), and the overflow preventing apron board (7) is abutted against the side surface of the drawer type dust-blocking curtain; the anti-overflow skirtboard (7) is connected with the box body (1) through the pressing device (8), and the pressing device (8) is used for controlling the anti-overflow skirtboard (7) to press the drawer type dust blocking curtain.
7. A material guide chute airtight device as defined in claim 4 wherein said drawer type dust-blocking curtains are provided at intervals in the axial direction of the box body (1) and two of said drawer type dust-blocking curtains are provided at each position.
8. A material guide chute airtight device as defined in claim 1, further comprising a door support (9), said door support (9) being mounted to an end of said box body (1) for supporting said box body (1) end.
9. The airtight device of a material guide chute as claimed in claim 8, further comprising a closing plate (10), wherein the upper end of the closing plate (10) is connected with the air film (5), and the side surface of the closing plate is connected with the door-shaped bracket (9); reserved holes (101) are formed in the closing plate (10), and the reserved holes (101) are arranged corresponding to the discharge holes (12).
10. A material guide chute airtight device as defined in claim 2 wherein said upper conveyor belt (21) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385615.9U CN216071642U (en) | 2021-09-30 | 2021-09-30 | Air-tight device of guide chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122385615.9U CN216071642U (en) | 2021-09-30 | 2021-09-30 | Air-tight device of guide chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216071642U true CN216071642U (en) | 2022-03-18 |
Family
ID=80637058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122385615.9U Active CN216071642U (en) | 2021-09-30 | 2021-09-30 | Air-tight device of guide chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216071642U (en) |
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2021
- 2021-09-30 CN CN202122385615.9U patent/CN216071642U/en active Active
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