Ton bag throwing material closed dust suppression device
By designing a sealed dust suppression device for ton bag feeding, and using a conical chute that fits tightly against the ton bag, a micro-negative pressure dust suction device, and a push-pull cutting device, the problem of dust overflow during the ton bag feeding process was solved, achieving low-cost and high-efficiency dust control.
Patent Information
- Application Number
- CN202520260279.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The process of throwing materials into ton bags has problems of dust overflow and high dust levels. The existing equipment is large in structure and not well sealed, which affects the working environment of the operators and production costs.
Design a closed dust suppression device for ton bag feeding, which adopts a conical chute that fits tightly with the ton bag, a micro-negative pressure dust suction port and a push-pull cutting device to reduce the unloading height difference, filter coarse particles through a grid filter plate, and reduce dust overflow by utilizing a micro-negative pressure environment.
It significantly reduces dust emissions, improves the working environment for operators, has simple equipment, low maintenance costs, meets environmental protection requirements, and reduces production costs.
Smart Images
Figure CN223721366U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to ton bag throw, unload dustproof technical field, concretely relates to a ton bag throws and launches material closed dust suppression device. BACKGROUND
[0002] Many materials in industrial enterprise production operation are ton bag packaging, but how to handle the dust of ton bag throw and discharge port has become a very headache problem of ton bag throw post. The working principle of ton bag throw is that ton bag is hooked and lifted to the discharge port of the silo by mechanical devices such as electric hoist and winch, the bag bottom is broken, and the material is discharged to the material conveying facility or storage silo by gravity, vibration or pneumatic auxiliary device. Ton bag throw exists large material falling difference, and secondary dust is easy to produce in the throw process, and due to the loose sealing, the ground is easy to gather the thrown material, so that the unorganized dust concentration in the plant is seriously over standard, and the working environment of the operator is deteriorated.
[0003] At present, the mature ton throw material form is that ton bag is hung to the upper side of the discharge port of the silo by electric hoist, the ton bag inlet and outlet door is closed, the material is discharged after forming a closed space, the matched dust removal equipment is worked, the micro negative pressure environment is formed, and the dust overflow is controlled. This discharge equipment has the defects of large structure size, loose sealing, large labor intensity of workers and influence operation, and the matched dust removal equipment is often large in structure size, not suitable for narrow land and compact structure place.
[0004] Therefore, it is necessary to develop and design efficient, environmentally friendly and safe ton bag throw material closed dust suppression device. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at the above problems existing in the prior art, and provides a ton bag throw material closed dust suppression device which is simple in structure, convenient to operate, remarkable in effect, low in operation and maintenance cost, and capable of obviously controlling dust overflow in the discharge process.
[0006] In order to achieve the above purpose of the utility model, the ton bag throw material closed dust suppression device adopts the following technical scheme.
[0007] The utility model relates to a ton bag throwing and feeding dustproof dust suppression device, which comprises a ton bag, a ton bag push-pull cutting device, an electric hoist, a conical chute, a grid filter plate, a "slit" type dust suction port, a material bin and a "cross" type cutter.
[0008] Preferably, the ton bag push-pull cutting device further comprises a push-pull rod, a guide bracket, a push-pull handle and a limiting plate. One end of the push-pull rod is connected with the "cross" type cutter, the push-pull rod passes through the conical chute and is connected with the push-pull handle at the other end, the push-pull rod outside the conical chute is supported on the guide bracket, and the limiting plate is arranged on the push-pull rod between the guide bracket and the push-pull handle. The push-pull rod and the "cross" type cutter are fully welded, the guide bracket is used to ensure that the push-pull rod always moves along the axial direction, and the limiting plate is used to limit the end position of the push-pull rod. An operator cuts the bag bottom of the ton bag by pushing and pulling the "cross" type cutter to unload the ton bag, and the "slit" type dust suction port installed on the top of the conical chute forms a micro-negative pressure environment to suppress the dust generated at the end of unloading.
[0009] Preferably, the angle between the outer wall of the conical chute and the horizontal plane is greater than the repose angle of the material in the ton bag.
[0010] Preferably, the angle between the outer wall of the conical chute and the horizontal plane is 60°-75°.
[0011] Preferably, the "cross" type cutter is welded by four arc-shaped blades intersecting perpendicularly, and the blade surface faces one side of the operating surface. The push-pull rod is made of φ12-φ18 threaded steel bars.
[0012] Preferably, the "slit" type dust suction port is installed below the top of the conical chute by 500-600 mm, has annular openings around, the slit width is 200-250 mm, and is connected to the external dust removal equipment through a rectangular air pipe.
[0013] The ton bag throwing and feeding dustproof dust suppression device has the following beneficial effects after adopting the above technical scheme:
[0014] (1) The ton bag throwing material closed dust suppression device reduces the unloading height difference and in turn reduces the generation of dust, the ton bag side surface is closely attached to the conical chute to avoid dust overflow, and the micro-negative pressure environment formed by the "slit" type air inlet reduces the secondary dust.
[0015] (2) The guide bracket provided in the ton bag push-pull cutting device is used to ensure that the push-pull rod always moves along the axial direction, and the limiting plate is used to limit the end position of the push-pull rod stroke.
[0016] (3) The related technical parameters of the ton bag throwing material closed dust suppression device are reasonable and reliable, can effectively control the dust overflow in the throwing material and unloading process, and the effect is remarkable.
[0017] (4) Industrial test verification shows that the ton bag throwing material closed dust suppression device has the characteristics of simple equipment structure, reliable operation, convenient operation and maintenance, low equipment failure rate, long equipment service life, good technical economy, low operation cost, significantly reduces dust overflow, reduces the concentration of unorganized emission dust in the plant, improves the working environment of the operator, meets the requirements of the national environmental protection policy, reduces material waste, and reduces production cost. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an external structure diagram of the ton bag throwing material closed dust suppression device.
[0019] Mark: 1- "X" type cutter; 2- ton bag; 3- electric hoist; 4- profile steel guide rail; 5- push-pull rod; 6- guide bracket; 7- push-pull handle; 8- limiting plate; 9- grating filter plate; 10- conical chute; 11- "slit" type dust inlet; 19- material bin. DETAILED DESCRIPTION
[0020] In order to better describe the utility model, the utility model of a ton bag throwing material closed dust suppression device is further described in detail below in combination with the drawings and examples. Obviously, the described examples are only a part of the examples of the utility model, not all examples. Based on the examples in the utility model, all other examples obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] By Figure 1The utility model discloses a ton bag throws and throws the material closed dust suppression device appearance structure diagram looks out, in the embodiment, the utility model relates to a ton bag throws and throws the material closed dust suppression device including ton bag 2, ton bag push -and -pull cutting device, ton bag 2 is hoisted on the section steel guide rail 4 through electric hoist 3, and the lower part of ton bag 2 is located in the conical chute 10, and the inner wall of conical chute 10 is closely attached to the side surface of ton bag 2, and the contact length is valued 200~400mm, and the side surface of ton bag 2 is closely attached to conical chute 10 to avoid dust overflow, and the angle between the outer wall of conical chute 10 and horizontal plane is valued greater than the repose angle of the material in ton bag 2, and it is appropriate to 60 °~75 °, and "slit" type dust suction port 11 is equipped on the upper lateral wall of conical chute 10, and "slit" type dust suction port 11 is installed below 500mm~600mm of the top of conical chute 10, and there is annular opening around, and the slit width is 200~250mm, and is connected to external dust removal equipment through rectangular air pipe, and the lower part of conical chute 10 is equipped with grid filter plate 9, and the lower part of conical chute 10 is connected with the upper part of bin 19 through grid filter plate 9, and the ton bag push -and -pull cutting device is connected by "cross" type cutter 1, push -and -pull rod 5, guide bracket 6, push -and -pull handle 7, limiting plate 8, and "cross" type cutter 1 is located at the bottom side of ton bag 2, and is used to cut the "cross" type cutter 1 of ton bag 2 bag bottom, and "cross" type cutter 1 is welded by four arc blades that are perpendicular to intersect, and the blade surface faces the operation surface side, and push -and -pull rod 5 is made of φ12~φ18 threaded steel bar, and one end of push -and -pull rod 5 is connected with "cross" type cutter 1, and push -and -pull rod 5 passes through conical chute 10 and is connected with push -and -pull handle 7 at the other end, and push -and -pull rod 5 outside conical chute 10 is supported on guide bracket 6, and limiting plate 8 is arranged on push -and -pull rod 5 between guide bracket 6 and push -and -pull handle 7.
[0022] The utility model discloses a ton bag throws and throws the material closed dust suppression device in actual use, and ton bag 2 filled with bulk material is moved to the upper side of the discharge port along the section steel guide rail 4 by electric hoist 3 hooking, then slowly descends until ton bag 2 side surface is closely attached to conical chute 10, then the operator tightly holds push -and -pull handle 7 and drives push -and -pull rod to reciprocate along guide bracket 6, and "cross" type cutter 1 cuts ton bag bag bottom, and after the coarse particles are screened out through grid filter plate 9 under the action of material gravity, falls to ash bin 19 temporary storage, and meanwhile, the matched dust removal equipment starts to run to form a micro negative pressure environment, and the fine dust overflowed is sucked to the surface of dust removal filter material through "slit" type dust suction port 11 and is collected, and is regularly blown and cleaned by compressed air. The utility model discloses a ton bag throws and throws the material closed dust suppression device reduces the material falling height difference and further reduces the dust generation, and ton bag side surface is closely attached to conical chute to reduce dust overflow, and "slit" type air inlet forms a micro negative pressure environment to reduce secondary dust.
[0023] Industrial test verification shows that the ton bag throwing material closed dust suppression device can effectively reduce the material falling height difference, avoid dust overflow, improve the surrounding operation environment, has the advantages of simple structure, convenient operation, remarkable effect, good technical economy, low operation cost and the like. Through the actual application in a magnetic material production factory in Ma'anshan City, Anhui, the process performance is reliable, the effect is remarkable, the operation is stable, and the technology is mature.
Claims
1. A ton bag throwing material sealing dust suppression device, characterized in that It includes ton bag (2), ton bag push-pull cutting device; The ton bag (2) is hoisted on the profiled steel guide rail (4) through the electric hoist (3), the lower part of the ton bag (2) is located in the conical chute (10), the inner wall of the conical chute (10) is closely attached to the side surface of the ton bag (2), and the "slit" type dust suction port (11) connected with the external dust removal equipment is arranged on the upper side wall of the conical chute (10); The lower part of the conical chute (10) is provided with a grid filter plate (9), and the lower part of the conical chute (10) is connected with the upper part of the stock bin (19) through the grid filter plate (9); The ton bag push-pull cutting device comprises a "cross" type cutter (1) for cutting the bag bottom of the ton bag (2), and the "cross" type cutter (1) is located on the bottom side of the ton bag (2).
2. A ton bag throw-on material sealing and dust suppressing device as claimed in claim 1, characterized in that: The ton bag push-pull cutting device further comprises a push-pull rod (5), a guide support (6), a push-pull handle (7) and a limiting plate (8), one end of the push-pull rod (5) is connected with the "cross" type cutter (1), the push-pull rod (5) passes through the conical chute (10) and is connected with the push-pull handle (7) at the other end, the push-pull rod (5) located outside the conical chute (10) is supported on the guide support (6), and the limiting plate (8) is arranged on the push-pull rod (5) between the guide support (6) and the push-pull handle (7).
3. A ton bag throw-on material sealing and dust suppressing device as claimed in claim 1, characterized in that: The included angle between the outer wall of the conical chute (10) and the horizontal plane is greater than the repose angle of the material in the ton bag (2); The contact length between the inner wall of the conical chute (10) and the surface of the ton bag (2) is 200-400 mm.
4. A ton bag throw-on material sealing and dust suppressing device as claimed in claim 3, characterized in that: The included angle between the outer wall of the conical chute (10) and the horizontal plane is 60-75°.
5. A ton bag throw-on material sealing and dust suppressing device as claimed in claim 2, characterized in that: The "cross" type cutter (1) is welded by four arc-shaped blades intersecting perpendicularly, and the blade surface faces one side of the operation surface; The push-pull rod (5) is made of φ12-φ18 threaded steel bars.
6. A ton bag throw-on material sealing and dust suppressing device as claimed in claim 2, characterized in that: The included angle between the outer wall of the conical chute (10) and the horizontal plane is greater than the repose angle of the material in the ton bag (2); The contact length between the inner wall of the conical chute (10) and the surface of the ton bag (2) is 200-400 mm; The included angle between the outer wall of the conical chute (10) and the horizontal plane is 60-75°; The "cross" type cutter (1) is welded by four arc-shaped blades intersecting perpendicularly, and the blade surface faces one side of the operation surface; The push-pull rod (5) is made of φ12-φ18 threaded steel bars.