Bulk machine

Abstract

The utility model discloses a bulk machine which comprises a machine body support, a telescopic cylinder and a dust suction device, a connecting pipeline is fixed on the machine body support, the upper portion of the telescopic cylinder is installed on the machine body support, a first material channel is arranged in the telescopic cylinder, and a telescopic driving device is installed on the machine body support. The dust collection device comprises a filter, a plurality of dust collection fans and a material scattering head, the filter comprises a housing surrounding the lower portion of the telescopic cylinder and a plurality of filter elements, the interior of the housing is divided into a plurality of air chambers, each air chamber is internally provided with a filter element and a back flushing assembly located above the filter element, and the dust collection fans are fixed to the upper portion of the housing and communicate with the corresponding air chambers; the material dispersing head is installed at the bottom of the housing and internally provided with a dust collection air channel communicated with all the air chambers. The dust collecting device is arranged on the lower portion of the telescopic cylinder, the distance between the dust collecting fan and an opening in the lower end of the dust collecting air channel is shortened, the dust collecting efficiency is improved, and generation and diffusion of dust are effectively reduced.

Description

Technical Field

[0001] The utility model relates to the field of bulk equipment for powder particles, and in particular to a bulk loader. Background Art

[0002] During truck or ship loading operations, bulk loaders can quickly and efficiently unload bulk materials from silos and load them onto transport vehicles or vessels. Their high degree of automation significantly reduces the labor intensity and costs of manual operations, leading to their widespread use.

[0003] In order to reduce the flying and diffusion of dust during loading and unloading, the prior art usually sets a dust collecting port near the discharge port of the bulk head, and the dust collecting port is connected to the dust collecting device. When the material is quickly unloaded from the discharge port of the bulk head into the cabin or carriage through the telescopic cylinder, the violent impact and tumbling of the material will stir up a large amount of dust. However, in the prior art, the dust collecting fan of the dust collecting device is often placed on a body support far away from the bulk head. In this way, the piping system from the dust collecting port to the dust collecting fan will be set relatively long, which in turn affects the wind speed and air volume in the dust collecting port area, thereby weakening the suction force on the dust and reducing the dust collection efficiency. Therefore, when a large amount of dust is generated, the dust collecting port cannot efficiently collect all the generated dust, causing some dust to escape into the environment, thereby polluting the environment. Utility Model Content

[0004] The purpose of the utility model is to provide a bulking head for a bulk loader, shortening the distance between the dust collecting fan and the lower end opening of the dust collecting air duct, improving the wind speed and air volume in the lower end opening area of the dust collecting air duct, and ensuring that dust can be collected more effectively.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A bulk loader comprises a body support, a telescopic cylinder and a dust collection device, wherein a connecting pipe is fixed on the body support, the upper part of the telescopic cylinder is installed on the body support and has a first material channel connected to the lower end opening of the connecting pipe, the first material channel has openings at both upper and lower ends, and a telescopic drive device for driving the telescopic cylinder to extend and retract is installed on the body support, the dust collection device comprises a filter, multiple dust collecting fans and a bulk head, the filter comprises a cover surrounding the lower part of the telescopic cylinder and multiple filter elements, wherein the interior of the cover is divided into multiple air chambers, each air chamber is independently provided with a filter element and a back-blowing assembly located above the filter element, each dust collecting fan is fixed above the cover and connected to the corresponding air chamber, the bulk head is installed at the bottom of the cover and has a dust collection air duct connected to all air chambers.

[0007] This technical solution, by placing the dust collection device at the bottom of the telescopic cylinder, shortens the distance between the dust collection fan and the lower opening of the dust collection duct. This increases the wind speed and air volume in the area of the lower opening of the dust collection duct, ensuring more effective dust collection and reducing dust dispersion and environmental pollution. Simultaneously, the filter separates dust from the dust, and the clean, filtered air is discharged directly into the atmosphere through the dust collection fan's exhaust port. Backflushing the filter with the backflush assembly shakes off any dust adhering to the filter.

[0008] In a specific embodiment of the present invention: the backflush assembly is connected to the air source outside the air chamber, and includes a pulse nozzle arranged above the filter and a solenoid valve that controls the high-pressure gas to be ejected from the pulse nozzle, and the pulse nozzle is directed toward the filter below.

[0009] In a specific implementation manner of the present utility model: the backflush assembly further includes a controller, and all the solenoid valves are electrically connected to the controller.

[0010] In a specific embodiment of the present invention, a plurality of inspection doors are provided on the housing, which facilitates maintenance or replacement of the filter element.

[0011] In a specific implementation manner of the present utility model: a plurality of observation windows are provided on the upper portion of the cover shell.

[0012] In a specific embodiment of the present invention: the bulk head also includes a second material channel located in the dust collecting air duct, the second material channel is open at both upper and lower ends, a partition is provided between the second material channel and the air chamber, and a vent is provided on the partition.

[0013] In a specific embodiment of the present invention, the lower opening of the first material channel is connected to a closing member with upper and lower openings, the closing member has a closing channel that gradually narrows from top to bottom, and the closing member extends downward into the second material channel. Utilizing the above technology, the unloading speed can be reduced.

[0014] In a specific embodiment of the present invention, the closing member comprises a first inclined portion on the upper side, a vertical portion in the middle, and a second inclined portion on the lower side. Both the first and second inclined portions are conical in structure, while the vertical portion is cylindrical in structure. Multiple through-holes are provided on the sidewalls of the vertical portion. This technical solution allows material to overflow through the through-holes when squeezed within the closing channel, preventing the closing channel from becoming clogged due to the gradual shrinkage of the closing member.

[0015] In a specific embodiment of the present invention, a plurality of overhanging rubber skins are installed at the bottom of the bulk material head. This structure can further prevent dust from spreading during unloading.

[0016] In a specific embodiment of the present utility model: the telescopic drive device includes a motor, a pair of winding drums and two steel ropes, the motor is installed on the top surface of the body support, the pair of winding drums are symmetrically arranged on both sides of the motor, the two winding drums are connected to the motor by a rotating shaft, and a pair of guide wheels are provided in front of the two winding drums near the upper end opening of the telescopic cylinder, a pair of circular rings are provided at intervals on the bottom surface of the body support, the lower part of the telescopic cylinder is located above the cover and a support plate is provided, a pair of movable pulleys are installed on the upper surface of the support plate, each movable pulley is located below the corresponding guide wheel, on the same side, one end of each steel wire rope is fixed on the winding drum, and the other end passes around the guide wheel and then passes around the movable pulley vertically downward, and is finally fixed on the corresponding circular ring.

[0017] In summary, the utility model arranges the dust collecting device at the bottom of the telescopic cylinder, shortens the distance between the dust collecting fan and the lower end opening of the dust collecting air duct, and improves the wind speed and air volume in the lower end opening area of the dust collecting air duct, ensuring that dust can be collected more effectively, reducing the spread of dust and pollution of the environment. At the same time, the dust in the dust is separated by the filter, and the clean air after filtering can be discharged directly into the atmosphere from the exhaust port of the dust collecting fan. When the filter is back-blown by the back-blowing component, the dust attached to the filter can be shaken off. At the same time, all dust collecting fans are always in a moving suction state to prevent dust from escaping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] Figure 1 This is a structural diagram of a bulk loader of the utility model;

[0020] Figure 2 This is a structural diagram of the bulk loader of the utility model from another perspective;

[0021] Figure 3 It is a structural diagram of the dust collecting device of the utility model;

[0022] Figure 4 yes Figure 3 Magnified image of . DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1 and Figure 2As shown, the present invention is a bulk loader, comprising a body support 10, a telescopic cylinder 20 and a dust collecting device 40. A connecting pipe 11 of a hollow cylindrical structure is fixed on the body support 10, and the connecting pipe 11 has openings at both ends.

[0025] The telescopic cylinder 20 is mounted on the machine body support 10 and has a first material passageway therein, which is connected to the lower opening of the connecting pipe 11. The first material passageway is open at both the upper and lower ends. The telescopic cylinder 20 is composed of multiple interlocking sleeves that can slide relative to each other within a certain range to achieve length changes.

[0026] A telescopic driving device 30 for driving the telescopic cylinder 20 to extend and retract is installed on the machine body support 10 .

[0027] The telescopic drive device 30 includes a motor 31, a pair of reels 32, and two steel cables 33. The motor 31 is mounted on the top surface of the body support 10. The pair of reels 32 are symmetrically arranged on both sides of the motor 31. All reels 32 are connected to the motor 31 via a rotating shaft 34. A pair of guide wheels 36 are provided in front of the two reels 32, near the upper end opening of the telescopic cylinder 20. A pair of circular rings (not shown) are spaced apart on the bottom surface of the body support. A support plate 38 is provided outside the last sleeve section of the telescopic cylinder 20, above the dust collection device 30. A pair of movable pulleys 39 are mounted on the upper surface of the support plate 38. Each movable pulley 39 is located below the corresponding guide wheel 36. On the same side, one end of each steel cable 33 is fixed to the reel 32, and the other end passes around the guide wheel 36, then vertically downward, around the movable pulley 39, and finally fixed to the circular ring.

[0028] Combine Figure 3 surround Figure 4 As shown, the dust collecting device 40 includes a filter 48 and a plurality of dust collecting fans 45 .

[0029] The filter 48 comprises a housing 41 surrounding the exterior of the final sleeve section of the telescopic cylinder and multiple filter elements 43. The interior of the housing 41 is divided into four air chambers 42. Each chamber 42 houses a separate filter element 43 and a backflush assembly 44 positioned above the filter element 43. In this embodiment, the filter elements 43 are pleated polyester filter elements. Pleated polyester filter elements offer advantages such as high wear resistance, long service life, and large filtration area.

[0030] There are four dust collecting fans 45 , all of which are fixed on the top of the cover 41 , and each of the dust collecting fans 45 is connected to a corresponding air chamber 42 .

[0031] In this embodiment, the backflush assembly 44 includes a pulse nozzle 441 positioned above the filter element 43. The pulse nozzle 441 faces downwardly toward the filter element 43. The pulse nozzle 441 is connected to an air source outside the air chamber. A solenoid valve is installed on the air pipe of the backflush assembly 44 to control the discharge of high-pressure air from the pulse nozzle 441.

[0032] like Figure 3 As shown, the dust collection device 40 also includes a bulking head 60 mounted on the bottom of the housing 41. The bulking head 60 includes a dust collection air duct 61 with openings at both ends, and a second material channel 62. The second material channel 62 is located within the dust collection air duct 61. All air chambers 42 are connected to the dust collection air duct 61. A partition 64 is provided between the second material channel 62 and the air chambers 42, and the partition 64 has a vent hole 421.

[0033] A plurality of inspection doors 46 are provided on the housing 41. By arranging the inspection doors 46, it is convenient to maintain or replace the filter element. A plurality of observation windows 47 for observing the air chamber are provided on the upper part of the housing 41.

[0034] like Figure 3 As shown, in this embodiment, a closing member 50 with upper and lower openings is connected to the lower opening of the first material channel. The closing member 50 has a closing channel that gradually narrows from top to bottom. The closing member 50 extends downward into the second material channel 62. Using this technology, the unloading speed can be reduced.

[0035] In this embodiment, the closing member 50 is divided into a first inclined portion 51 on the upper side, a vertical portion 52 in the middle, and a second inclined portion 53 on the lower side. Both the first inclined portion 51 and the second inclined portion 53 are conical in structure, while the vertical portion 52 is cylindrical. Furthermore, the sidewalls of the vertical portion 52 are provided with multiple through-holes 54. This allows material to escape through the through-holes 54 when squeezed within the closing channel, preventing blockage of the closing channel due to the gradual shrinkage of the closing member 50.

[0036] A plurality of overhanging rubber skins 63 are also installed at the bottom of the bulk head 60. When the bulk loader needs to unload, the bulk head is driven down and the rubber skins are overhanging to the bottom of the ship or carriage to form a bottom sealing structure to further prevent dust from spreading.

[0037] The above is a bulk loader of the present invention, and its working mode is as follows:

[0038] During operation, the upper opening of the bulk loader's connecting pipe 11 is connected to a silo (not shown). The telescopic drive 30 lowers the telescopic cylinder 20, allowing the rubber cover of the bulking head 60 to drape to the bottom of the ship or vehicle compartment, and the silo's control valve is opened. Material enters the ship or vehicle compartment through the connecting pipe 11, the first material channel, the closing channel, and the second material channel. Dust stirred up by the impact of the material, under the negative pressure generated by all dust collection fans 45, enters the dust collection device 40 through the lower opening of the dust collection air duct 61. Simultaneously, a small amount of dust also enters the dust collection device 40 directly from the second material channel 62 through the vent 421. The dust in the dust is separated by the filter element 43 in each air chamber, and the clean, filtered air is discharged directly into the atmosphere from the exhaust port of the dust collection fan 45.

[0039] When the filter element 43 needs to be backflushed, the solenoid valves of the backflushing assemblies 44 in all air chambers are opened, so that the pulse nozzles 441 of the backflushing assemblies in all air chambers perform high-pressure jet backflushing on the corresponding filter element 43, shaking off the dust attached to the filter element 43. While the filter element 43 in each air chamber is backflushed with high-pressure jets, all dust collecting fans 45 are always in a moving suction state to prevent dust from escaping. In addition, a controller is provided, and the solenoid valves of all backflushing assemblies 44 are electrically connected to the controller. In this way, the utility model can use the controller to achieve automated control, that is, automatically control the opening interval and opening time of the solenoid valves of the backflushing assemblies 44, thereby saving energy.

[0040] In summary, the utility model arranges the dust collecting device at the lower part of the telescopic cylinder, shortens the distance between the dust collecting fan and the lower end opening of the dust collecting air duct, and improves the wind speed and air volume in the lower end opening area of the dust collecting air duct, ensuring that dust can be collected more effectively, reducing the spread of dust and pollution of the environment. At the same time, the dust in the dust is separated by the filter element, and the clean air after filtering can be directly discharged into the atmosphere from the exhaust port of the dust collecting fan. When the filter is back-blown by the back-blowing component, the dust attached to the filter can be shaken off. At the same time, all dust collecting fans are always in a moving suction state to prevent dust from escaping.

[0041] The above describes an embodiment of the present invention in detail. However, the above content is only a preferred embodiment of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent application of the present invention.

Claims

1. A bulk loader, comprising a body support, a telescopic cylinder, and a dust collection device, wherein a connecting pipe is fixed to the body support, the upper portion of the telescopic cylinder is mounted on the body support and has a first material channel therein that is connected to the lower opening of the connecting pipe, the first material channel having upper and lower openings, and a telescopic drive device for driving the telescopic cylinder to extend and retract, mounted on the body support, characterized in that: The dust collection device includes a filter, multiple dust collecting fans and a bulk head. The filter includes a cover shell surrounding the lower part of the telescopic cylinder and multiple filter elements. The interior of the cover shell is divided into multiple air chambers, each air chamber is independently provided with a filter element and a back-blowing assembly located above the filter element. Each dust collecting fan is fixed above the cover shell and is connected to the corresponding air chamber. The bulk head is installed at the bottom of the cover shell and has a dust collection air duct inside that is connected to all air chambers.

2. The bulk loader according to claim 1, characterized in that: The backflush assembly is connected to the air source outside the air chamber, and includes a pulse nozzle arranged above the filter and a solenoid valve for controlling the high-pressure gas to be ejected from the pulse nozzle. The pulse nozzle faces the filter below.

3. The bulk loader according to claim 2, characterized in that: The backflush assembly further includes a controller, and all the solenoid valves are electrically connected to the controller.

4. The bulk loader according to claim 1, characterized in that The cover shell is provided with a plurality of inspection doors.

5. The bulk loader according to claim 1, characterized in that: A plurality of observation windows are provided on the upper portion of the cover shell.

6. The bulk loader according to claim 1, characterized in that: The bulk material head also includes a second material channel located in the dust collecting air duct, the second material channel is open at both upper and lower ends, a partition is provided between the second material channel and the air chamber, and a vent is provided on the partition.

7. The bulk loader according to claim 6, characterized in that The lower opening of the first material channel is connected to a closing piece with upper and lower openings. The closing piece has a closing channel communicating with the first material channel. The closing channel gradually narrows from top to bottom, and the closing piece extends downward into the second material channel.

8. The bulk loader according to claim 7, characterized in that: The closing piece is divided into a first inclined portion on the upper side, a vertical portion in the middle and a second inclined portion on the lower side. The first inclined portion and the second inclined portion are both conical structures, the vertical portion is a cylindrical structure, and a plurality of through holes are provided on the side wall of the vertical portion.

9. The bulk loader according to claim 8, characterized in that A plurality of hanging rubber skins are installed on the bottom of the bulk material head.

10. The bulk loader according to claim 1, characterized in that The telescopic drive device includes a motor, a pair of winding drums and two steel ropes. The motor is installed on the top surface of the body support, and a pair of winding drums are symmetrically arranged on both sides of the motor. The two winding drums are connected to the motor by a rotating shaft. A pair of guide wheels are provided in front of the two winding drums near the upper end opening of the telescopic cylinder. A pair of circular rings are provided at intervals on the bottom surface of the body support. The lower part of the telescopic cylinder is located above the cover and a support plate is provided. A pair of movable pulleys are installed on the upper surface of the support plate, and each movable pulley is located below the corresponding guide wheel. On the same side, one end of each steel wire rope is fixed on the winding drum, and the other end passes around the guide wheel and then passes around the movable pulley vertically downward, and is finally fixed on the corresponding circular ring.

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