Closed type mineral powder warehousing conveying device

Abstract

The utility model discloses a closed conveying device for warehousing mineral powder, which comprises a vacuum conveying tank main body, a support plate arranged at the top of the vacuum conveying tank main body, a plurality of filter cartridges arranged at the bottom of the support plate, an air distribution disc arranged at the top in the vacuum conveying tank main body, and a plurality of air outlet pipe ports connected with the bottom of the air distribution disc and aligned with the interiors of the filter cartridges. A conveying valve pipe is connected to the bottom of the vacuum conveying tank body, a transmission box is connected to the position, below the supporting plate, of the inner top of the vacuum conveying tank body, a conveying rotating shaft extending into the conveying valve pipe is connected to the bottom of the transmission box, and conveying auger blades are connected to the position, extending into the conveying valve pipe, of the conveying rotating shaft. Compared with the prior art, the device has the advantages that gas is filtered through the filter cartridge piece, impact cleaning from inside to outside is carried out on the filter cartridge piece through gas outlet impact of the gas distribution disc, and meanwhile, stable outward material conveying operation is conveniently carried out by arranging the auger blade in the discharging pipe.

Description

Technical Field

[0001] The utility model relates to mineral powder auxiliary storage equipment, in particular to a closed mineral powder storage conveying device. Background Art

[0002] Mineral powder is a general term for stone powder and its substitutes that meet engineering requirements. It is the product of ore crushing and processing. It is the first step in ore processing and smelting, and it is also one of the most important steps.

[0003] At the back end of the mineral powder production process, storage operations are often required, and mineral powder storage equipment is generally a large storage tank, so a closed vacuum feed tank is generally set above the storage tank for material extraction and conveying operations. The vacuum feed pump generally has a vacuum pump and a filter element on the top, but during use, the mineral powder often sticks to the filter element and often gets clogged. In addition, the drop-feeding structure in the prior art often gets clogged at the valve and the material discharge is unstable. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a closed type mineral powder storage conveying device in view of the shortcomings of the existing conveying structure proposed in the above background technology.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a closed type conveying device for storing mineral powder, comprising a vacuum feeding tank body, a vacuum suction pump is connected to the top of the vacuum feeding tank body, a feeding pipe is connected to the top of one side of the vacuum feeding tank body, the vacuum suction pump is connected to a first suction pipe extending to the top of the vacuum feeding tank body and an exhaust pipe extending to the outside, the top of the vacuum feeding tank body is located between the first suction pipe and the feeding pipe and is connected to a support plate, the support plate is provided with a plurality of through holes, the bottom of the support plate is connected to a plurality of filter cylinders with matching through holes, the top of the vacuum feeding tank body is located above the support plate and is connected to a gas distribution plate, the vacuum suction pump is connected to a second suction pipe and a gas feeding pipe connected to the gas distribution plate, and the bottom of the gas distribution plate is connected to a plurality of gas outlets aligned with the inside of the filter cylinder;

[0006] A feeding valve pipe is connected to the bottom of the vacuum feeding tank body, and a transmission box is connected to the top of the vacuum feeding tank body located below the support plate. A first bevel gear and a second bevel gear that mesh with each other are rotatably connected to one side and the bottom of the transmission box respectively, and the first bevel gear is connected to a rotating shaft extending to the outside. A driving motor for driving the rotating shaft to rotate is connected to the outside of the vacuum feeding tank body, and a feeding shaft extending into the feeding valve pipe is connected to the bottom of the second bevel gear. The feeding shaft extends into the feeding valve pipe and is connected to a feeding auger blade, and a support rod connected to the inner wall of the vacuum feeding tank body is connected to the outside of the transmission box.

[0007] Furthermore, the first air extraction pipe, the air delivery pipe, the exhaust pipe and the second air extraction pipe are respectively connected with a first electrically controlled valve, a second electrically controlled valve, a third electrically controlled valve and a fourth electrically controlled valve to facilitate controlling the direction of air intake and exhaust.

[0008] Furthermore, a gas filter is connected to the end of the second air extraction pipe to prevent foreign matter from being sucked into the gas distribution plate.

[0009] Furthermore, a pressure sensor is connected to the top of the gas distribution plate, and a fifth electric control valve is connected to the air outlet, so as to facilitate the cleaning operation of the boosted and fast air outlet to impact the filter cylinder.

[0010] Furthermore, a material level sensor is connected to one side of the bottom of the transmission box to facilitate material level sensing operations.

[0011] Compared with the prior art, the utility model has the advantages of a closed type mineral powder storage conveying device in that the device filters gas through a filter cylinder, and at the same time cleans the filter cylinder from the inside out through the gas impact of the gas distribution plate, and at the same time, a auger blade is arranged in the discharge pipe to facilitate stable outward conveying operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first structural schematic diagram of a closed type mineral powder storage conveying device of the utility model.

[0013] Figure 2 This is a second structural schematic diagram of a closed type mineral powder storage conveying device of the utility model.

[0014] Figure 3 The utility model is a cross-sectional structural schematic diagram of a closed type mineral powder storage conveying device.

[0015] Figure 4 yes Figure 3 Schematic diagram of the structure of part A.

[0016] As shown in the figure: 1. Vacuum feed tank body; 2. Vacuum suction pump; 3. Feed pipe; 4. Support plate; 5. Through hole; 6. Filter cylinder; 7. Gas distributor; 8. First suction pipe; 9. Gas pipe; 10. First electric control valve; 11. Second electric control valve; 12. Exhaust pipe; 13. Second suction pipe; 14. Third electric control valve; 15. Fourth electric control valve; 16. Gas filter; 17. Feed valve pipe; 18. Transmission box; 19. Support rod; 20. Feed shaft; 21. Feed auger blade; 22. First bevel gear; 23. Second bevel gear; 24. Rotating shaft; 25. Drive motor; 26. Air outlet; 27. Pressure sensor; 28. Fifth electric control valve; 29. ​​Material level sensor. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] Combined with Figure 1-4A closed type conveying device for mineral powder storage includes a vacuum feeding tank body 1, a vacuum pump 2 is connected to the top of the vacuum feeding tank body 1, a feeding pipe 3 is connected to the top of one side of the vacuum feeding tank body 1, the vacuum pump 2 is connected to a first suction pipe 8 extending to the top of the vacuum feeding tank body 1 and an exhaust pipe 12 extending to the outside, a support plate 4 is connected to the top of the vacuum feeding tank body 1 between the first suction pipe 8 and the feeding pipe 3, a plurality of through holes 5 are provided on the support plate 4, and the The bottom of the support plate 4 is connected to a filter cylinder 6 with multiple matching through holes 5. The filter cylinder 6 can be used to filter the mineral powder. At the same time, the internal air is extracted by the vacuum pump 2, so that the vacuum feeding operation can be performed. The top of the vacuum feeding tank body 1 is located above the support plate 4 and is connected to a gas distribution plate 7. The vacuum pump 2 is connected to a second air extraction pipe 13 and an air supply pipe 9 connected to the air distribution plate 7. The end of the second air extraction pipe 13 is connected to a gas filter 16. The first air extraction pipe 8, the air supply pipe 9, and the exhaust pipe 1 The first electrically controlled valve 10, the second electrically controlled valve 11, the third electrically controlled valve 14 and the fourth electrically controlled valve 15 are connected to the second exhaust pipe 13, respectively. By opening the first electrically controlled valve 10 and the third electrically controlled valve 14, the vacuum exhaust pump 2 is cooperated with the forward exhaust operation, and by opening the second electrically controlled valve 11 and the fourth electrically controlled valve 15, the vacuum exhaust pump 2 is cooperated with the reverse blowing, so that the vacuum exhaust pump 2 can be used to inflate the gas distribution plate 7. The bottom of the gas distribution plate 7 is connected with a plurality of gas outlets 26 aligned with the inside of the filter cartridge 6. The gas outlets 26 can be used to Air is blown regularly toward the filter cartridge 6 so that air can be blown from top to bottom, thereby cleaning the mineral powder attached to the outside of the filter cartridge 6. A pressure sensor 27 is connected to the top of the gas distribution plate 7, and a fifth electrically-controlled valve 28 is connected to the air outlet pipe 26. By closing the fifth electrically-controlled valve 28, the vacuum pump 2 supplies air to the gas distribution plate 7. When the pressure reaches a certain value, the fifth electrically-controlled valve 28 is started, and a rapid jet of air can be used to impact the filter cartridge 6 through the air outlet pipe 26, thereby cleaning some attached dust that is difficult to clean.

[0019] During specific implementation: internal air is extracted by the vacuum pump 2 to cooperate with the filter cylinder 6 to filter the mineral powder, so that vacuum loading operation can be carried out. When the filter cylinder 6 needs to be cleaned, the vacuum pump 2 reverses the box gas distribution plate 7 to blow air, opens the fifth electric control valve 28, and blows air regularly to the filter cylinder 6, so that air can be blown from top to bottom, so as to clean the mineral powder attached to the outside of the filter cylinder 6. If some mineral powder is more firmly attached, the vacuum pump 2 supplies air to the gas distribution plate 7. When the pressure reaches a certain value, the fifth electric control valve 28 is started, and a rapid jet can be used to impact the filter cylinder 6 through the air outlet pipe 26, so that some attached dust that is more difficult to clean can be cleaned.

[0020] Combined with Figure 1-4 The bottom of the vacuum feeding tank body 1 is connected with a feeding valve pipe 17, and the top of the vacuum feeding tank body 1 is located below the support plate 4 and is connected with a transmission box 18. One side and the bottom of the transmission box 18 are respectively rotatably connected with a first bevel gear 22 and a second bevel gear 23 that mesh with each other. The first bevel gear 22 is connected with a rotating shaft 24 extending to the outside, and the outer side of the vacuum feeding tank body 1 is connected with a driving motor 25 for driving the rotating shaft 24 to rotate. The bottom of the second bevel gear 23 is connected with a feeding shaft 20 extending into the feeding valve pipe 17, and the rotation of the rotating shaft 24 and the first bevel gear 22 can be driven by the driving motor 25. The meshing second bevel gear 23 can drive the rotation of the feed shaft 20. The feed shaft 20 extends to the feed valve pipe 17 and is connected to a feed auger blade 21. The material can be evenly and efficiently fed downward through the feed auger blade 21, thereby preventing the occurrence of bottom blockage. The outer side of the transmission box 18 is connected to a support rod 19 connected to the inner wall of the vacuum feed tank body 1. The bottom side of the transmission box 18 is connected to a material level sensor 29. The material level sensor 29 is a laser rangefinder, which can detect the internal material height by measuring the distance. When the material reaches a certain height, the feed shaft 20 and the feed valve pipe 17 are started to feed the material into the warehouse.

[0021] In specific implementation: the driving motor 25 cooperates with the transmission box 18 to drive the feeding shaft 20 and the feeding auger blades 21 to rotate, and by opening the feeding valve pipe 17, the internal mineral powder can be evenly fed downward, thereby preventing blockage.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A closed type conveying device for mineral powder storage, comprising a vacuum conveying tank body (1), the top of the vacuum conveying tank body (1) is connected to a vacuum pump (2), the top of one side of the vacuum conveying tank body (1) is connected to a feed pipe (3), the vacuum pump (2) is connected to a first exhaust pipe (8) extending to the top of the vacuum conveying tank body (1) and an exhaust pipe (12) extending to the outside, characterized in that: A support plate (4) is connected to the top of the vacuum conveying tank body (1) between the first air extraction pipe (8) and the feed pipe (3), a plurality of through holes (5) are provided on the support plate (4), a plurality of filter cartridges (6) matching the through holes (5) are connected to the bottom of the support plate (4), a gas distribution plate (7) is connected to the top of the vacuum conveying tank body (1) above the support plate (4), a second air extraction pipe (13) and an air delivery pipe (9) connected to the gas distribution plate (7) are connected to the vacuum suction pump (2), and a plurality of air outlets (26) aligned with the inside of the filter cartridge (6) are connected to the bottom of the gas distribution plate (7); The bottom of the vacuum feeding tank body (1) is connected to a feeding valve pipe (17); the top of the vacuum feeding tank body (1) is located below the support plate (4) and is connected to a transmission box (18); one side and the bottom of the transmission box (18) are respectively rotatably connected to a first bevel gear (22) and a second bevel gear (23) that mesh with each other; the first bevel gear (22) is connected to a rotating shaft (24) extending to the outside; the outside of the vacuum feeding tank body (1) is connected to a driving motor (25) for driving the rotating shaft (24) to rotate; the bottom of the second bevel gear (23) is connected to a feeding shaft (20) extending into the feeding valve pipe (17); the feeding shaft (20) extends into the feeding valve pipe (17) and is connected to a feeding auger blade (21); the outside of the transmission box (18) is connected to a support rod (19) connected to the inner wall of the vacuum feeding tank body (1).

2. A closed type mineral powder storage conveying device according to claim 1, characterized in that: The first air extraction pipe (8), the air delivery pipe (9), the exhaust pipe (12) and the second air extraction pipe (13) are respectively connected with a first electrically controlled valve (10), a second electrically controlled valve (11), a third electrically controlled valve (14) and a fourth electrically controlled valve (15).

3. A closed type mineral powder storage conveying device according to claim 1, characterized in that: The end of the second air extraction pipe (13) is connected to a gas filter (16).

4. A closed type mineral powder storage conveying device according to claim 1, characterized in that: A pressure sensor (27) is connected to the top of the gas distribution plate (7), and a fifth electric control valve (28) is connected to the gas outlet pipe (26).

5. The closed type mineral powder storage conveying device according to claim 1 is characterized in that: A material level sensor (29) is connected to one side of the bottom of the transmission box (18).

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