Coal sample preparation drying pretreatment device

Abstract

The utility model discloses a coal sample preparation drying pretreatment device, which relates to the technical field of coal processing and comprises a treatment box, a roller is rotatably arranged on the inner wall of the treatment box, a drying mechanism is arranged in the roller, and a driving box is fixedly arranged on the side surface of the treatment box. A driving motor for driving the roller to rotate is fixedly mounted on the inner wall of the driving box; the drying mechanism comprises a heat conduction pipe rotationally connected to the inner wall of the roller, and a plurality of hollow rods are fixedly installed on the surface of the heat conduction pipe. The roller is arranged in the treatment box, coal can be driven to roll through the roller, the coal is scattered through the heat conduction pipe and the hollow rods on the surface of the heat conduction pipe, and meanwhile the coal in the roller is heated through the heat conduction spray heads on the surfaces of the hollow rods; the coal can be uniformly and fully dried, and the coal drying pretreatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal processing technical field especially relates to a coal sample preparation drying pretreatment device. BACKGROUND

[0002] In the coal production process, the coal sample preparation link usually includes sample weighing, division, iron removal, step-by-step crushing, drying, grinding, packaging and other steps, wherein the division, packaging and other steps need to be used multiple times.

[0003] The patent document with the publication number CN208076255U discloses a coal sample preparation pretreatment device, which comprises a pre-weighing belt scale, a dryer connected with the pre-weighing belt scale at the inlet and the outlet, and a coal re-weighing device connected with the dryer at the inlet and the outlet; a heating pipe arranged in the drying cover and used for drying the coal sample on the drying conveying groove, a spring arranged between the drying conveying groove and the support, and a thermocouple arranged on the drying conveying groove. The utility model has the advantages of reasonable design, compact structure and convenient use.

[0004] The pretreatment device in the above patent document cannot turn and scatter the coal during the drying process, so that the coal is accumulated together and cannot be fully dried, affecting the drying efficiency of the coal. Therefore, it is necessary to improve the problems existing in the pretreatment device. UTILITY MODEL CONTENT

[0005] The utility model discloses a coal sample preparation drying pretreatment device, in order to realize above-mentioned purpose, the utility model has adopted the following technical scheme:

[0006] A coal sample preparation drying pretreatment device, including the processing box, the inner wall rotation of processing box is provided with the drum, the inside of drum is provided with drying mechanism, the side of processing box is fixedly provided with drive box, the inner wall of drive box is fixedly installed with the drive motor for driving the rotation of drum;

[0007] The drying mechanism includes a heat pipe rotatably connected to the inner wall of the drum, a plurality of hollow rods are fixedly installed on the surface of the heat pipe, a plurality of heat conduction nozzles are embedded and installed on the surface of the hollow rods, and a plurality of electric heating rings are fixedly installed on the inner wall of the heat pipe.

[0008] The left end of the drum is fixedly connected with a transmission pipe, the left end of the transmission pipe extends into the interior of the drive box, the position of the transmission pipe corresponds to the heat pipe, and the heat pipe is located in the interior of the transmission pipe.

[0009] By setting the roller in the inside of the processing box, the coal can be rolled by the roller, and the coal can be scattered by the heat conduction pipe and the hollow rods on the surface of the heat conduction pipe, and the coal in the roller can be heated by the heat conduction nozzles on the surface of the hollow rods, so that the coal can be uniformly and sufficiently dried.

[0010] In a preferred embodiment, the output shaft of the driving motor is fixedly connected with a driving gear, the surface of the transmission pipe is fixedly connected with a driven gear, and the driving gear is engaged with the driven gear.

[0011] In a preferred embodiment, the inner wall of the driving box is fixedly installed with an air pump, the output end of the air pump is fixedly connected with an air guide pipe, and the end of the air guide pipe away from the air pump is rotatably connected with the left end of the heat conduction pipe.

[0012] By setting the air pump and the air guide pipe, air can be transported into the heat conduction pipe by the air pump and the air guide pipe, so that the hot air in the heat conduction pipe can be input into the roller.

[0013] In a preferred embodiment, the hollow rods are evenly distributed on the surface of the heat conduction pipe in groups of three, and the three hollow rods in each group are arranged in a triangular array on the surface of the heat conduction pipe.

[0014] By setting the hollow rods on the surface of the heat conduction pipe, the coal can be scattered by the hollow rods during the rotation of the roller, improving the drying effect.

[0015] In a preferred embodiment, the surface of the roller is fixedly embedded with a plurality of rectangular screening nets, and the rectangular screening nets are evenly spaced on the surface of the roller.

[0016] By setting the rectangular screening nets on the surface of the roller, the coal can be screened and filtered during the rotation of the roller, achieving screening and impurity removal of the coal while drying.

[0017] In a preferred embodiment, the surface of the roller is provided with a strip-shaped feeding and discharging port, and the surface of the roller is rotatably connected with a cover, and the position of the cover corresponds to the feeding and discharging port.

[0018] By setting the feeding and discharging port and the cover, the coal in the roller can be fed and discharged.

[0019] In a preferred embodiment, the surface of the processing box is provided with a placing port, and a collecting box is placed in the inside of the placing port, and the collecting box is located directly below the roller.

[0020] By setting the collecting box, the coal and impurities in the roller can be collected by the collecting box.

[0021] From the above, the coal sample preparation drying pretreatment device has the following technical effects.

[0022] Firstly, the roller is arranged in the processing box, the coal can be rolled by the roller, the coal can be scattered by the heat conducting pipe and the plurality of hollow rods on the surface of the heat conducting pipe, the coal in the roller can be heated by the heat conducting nozzles on the surface of the hollow rods, the coal can be uniformly and sufficiently dried, and the efficiency of the coal drying pretreatment is improved.

[0023] Secondly, the plurality of rectangular screening nets are arranged on the surface of the roller, the coal can be screened and filtered during the rotation of the roller, the impurities and particles in the coal can pass through the rectangular screening nets and enter the collecting box below the roller, the coal can be screened and impurities removed during drying, and the efficiency of the coal pretreatment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides a kind of coal sample preparation drying pretreatment device's overall structure schematic diagram.

[0025] Figure 2 The utility model provides a kind of coal sample preparation drying pretreatment device's processing box right section structure schematic diagram.

[0026] Figure 3 The utility model provides a kind of coal sample preparation drying pretreatment device's roller and collecting box structure schematic diagram.

[0027] Figure 4 For Figure 2 The enlarged structure schematic diagram in A place.

[0028] Figure 5 The utility model provides a kind of coal sample preparation drying pretreatment device's heat conducting pipe local right section structure schematic diagram.

[0029] In the drawing: 1, processing box;2, roller;3, drying mechanism;4, collecting box;5, drive box;6, drive motor;7, transmission pipe;8, drive gear;9, driven gear;10, air duct;11, rectangular screening net;12, inlet and outlet;13, cover;14, air pump;301, heat conducting pipe;302, hollow rod;303, heat conducting nozzle;304, electric heating ring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0031] Refer toFigure 1 、 Figure 2 and Figure 3 The utility model relates to a coal sample preparation drying pretreatment device, including processing box 1, the inner wall rotation of processing box 1 is provided with roller 2, the surface of roller 2 is fixedly embedded with a plurality of rectangular screening nets 11, a plurality of rectangular screening nets 11 are evenly spaced distribution on the surface of roller 2.

[0032] Need to explain, the surface of roller 2 is provided with the strip-shaped inlet and outlet 12, and the surface of roller 2 is rotatably connected with the cover 13, and the position of cover 13 corresponds with inlet and outlet 12.

[0033] Need to further explain, the surface of processing box 1 is provided with the placing mouth, and the inside of placing mouth is placed with the collection box 4, and collection box 4 is located directly below roller 2.

[0034] It is worth mentioning that by setting a plurality of rectangular screening nets 11 on the surface of roller 2, the coal can be screened and filtered during the rotation of roller 2, so that the impurities and particles in the coal pass through the rectangular screening net 11 into the collection box 4 below the roller 2, and the coal is screened and impurities are removed at the same time. The impurities and particles in the collection box 4 can be cleaned by the staff, and the empty collection box 4 can be re-placed at the bottom of the processing box 1, so as to facilitate the discharge of the dried coal.

[0035] Referring to Figure 4 and Figure 5 In a preferred embodiment, the inside of roller 2 is provided with a drying mechanism 3, and the side of processing box 1 is fixedly provided with a drive box 5, and the inner wall of drive box 5 is fixedly installed with a drive motor 6 for driving the rotation of roller 2.

[0036] Need to explain, drying mechanism 3 includes heat pipe 301 rotatably connected to the inner wall of roller 2, a plurality of hollow rods 302 are fixedly installed on the surface of heat pipe 301, a plurality of heat conduction nozzles 303 are embedded and installed on the surface of hollow rod 302, and a plurality of electric heating rings 304 are fixedly installed on the inner wall of heat pipe 301.

[0037] Need to explain, the left end of heat pipe 301 extends to the inside of drive box 5, and the left end of heat pipe 301 is fixedly connected with the inner wall of processing box 1.

[0038] A plurality of hollow rods 302 are evenly distributed on the surface of heat pipe 301 in three groups, and the three hollow rods 302 of each group are distributed in a triangular array on the surface of heat pipe 301.

[0039] It needs to be further explained that the left end of the roller 2 is fixedly connected with a transmission pipe 7, the left end of the transmission pipe 7 extends to the inside of the drive box 5, the position of the transmission pipe 7 corresponds to the heat conduction pipe 301, and the heat conduction pipe 301 is located inside the transmission pipe 7.

[0040] The output shaft of the drive motor 6 is fixedly connected with a drive gear 8, the surface of the transmission pipe 7 is fixedly connected with a driven gear 9, and the drive gear 8 is engaged with the driven gear 9.

[0041] In a preferred embodiment, the inner wall of the drive box 5 is fixedly installed with an air pump 14, the output end of the air pump 14 is fixedly connected with an air guide pipe 10, and the end of the air guide pipe 10 away from the air pump 14 is rotatably connected with the left end of the heat conduction pipe 301.

[0042] It is worth mentioning that by arranging the roller 2 inside the treatment box 1, the coal can be tumbled by the roller 2, and the coal can be scattered by the heat conduction pipe 301 and the plurality of hollow rods 302 on the surface thereof, and the coal inside the roller 2 can be heated and treated by the heat conduction nozzles 303 on the surface of the hollow rods 302, so that the coal can be uniformly and sufficiently dried, and the efficiency of the coal drying pretreatment is improved.

[0043] Working principle: in use, first, the coal is placed in the roller 2 in the treatment box 1, then the inside of the heat conduction pipe 301 is heated by the electric heating ring 304, air is transported into the heat conduction pipe 301 by the air pump 14, the inside of the roller 2 is heated by the heat conduction nozzles 303 on the surface of the hollow rods 302, and the roller 2 is rotated in the treatment box 1 by the drive motor 6 driving the drive gear 8 to rotate, thereby driving the driven gear 9 and the transmission pipe 7 to rotate, and further driving the roller 2 to rotate, since the heat conduction pipe 301 remains stationary, the roller 2 and the hollow rods 302 can move relative to each other, and the coal can be scattered by the hollow rods 302, thereby improving the drying effect of the coal.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical solution and the utility model concept of the present application, equivalent replacement or change should be covered within the protection scope of the present application.

Claims

1. A coal sample preparation and drying pretreatment device comprising a treatment box, characterized in that, The inner wall of the processing box is rotationally provided with a roller, the inside of the roller is provided with a drying mechanism, the side of the processing box is fixedly provided with a driving box, the inner wall of the driving box is fixedly installed with a driving motor for driving the rotation of the roller; The drying mechanism comprises a heat-conducting pipe rotationally connected to the inner wall of the roller, the surface of the heat-conducting pipe is fixedly installed with a plurality of hollow rods, the surface of the hollow rods is embeddedly installed with a plurality of heat-conducting nozzles, and the inner wall of the heat-conducting pipe is fixedly installed with a plurality of electric heating rings. The left end of the roller is fixedly connected with a transmission pipe, the left end of the transmission pipe extends to the inside of the driving box, the position of the transmission pipe corresponds to the heat-conducting pipe, and the heat-conducting pipe is located in the inside of the transmission pipe.

2. The coal sample preparation and drying pretreatment device according to claim 1, characterized in that, The output shaft of the driving motor is fixedly connected with a driving gear, the surface of the transmission pipe is fixedly connected with a driven gear, and the driving gear is engaged with the driven gear.

3. The coal sample preparation and drying pretreatment device according to claim 1, characterized in that, The inner wall of the driving box is fixedly installed with an air pump, the output end of the air pump is fixedly connected with an air duct, and the end, away from the air pump, of the air duct is rotationally connected with the left end of the heat-conducting pipe.

4. The coal sample preparation and drying pretreatment device according to claim 1, characterized in that, The plurality of hollow rods are evenly distributed in groups of three on the surface of the heat-conducting pipe, and the three hollow rods in each group are distributed in a triangular array on the surface of the heat-conducting pipe.

5. The coal sample preparation and drying pretreatment device according to claim 1, characterized in that, The surface of the roller is fixedly embedded with a plurality of rectangular screening nets, and the plurality of rectangular screening nets are evenly and interval distributed on the surface of the roller.

6. The coal sample preparation, drying and pretreatment device according to claim 1, characterized in that, The surface of the roller is provided with an inlet and outlet port in the shape of a strip, and the surface of the roller is rotationally connected with a cover, and the position of the cover corresponds to the inlet and outlet port.

7. The coal sample preparation and drying pretreatment device according to claim 1, characterized in that, The surface of the processing box is provided with a placing opening, and the inside of the placing opening is placed with a collecting box, and the collecting box is located directly below the roller. The surface of the processing box is provided with a placing opening, and the inside of the placing opening is placed with a collecting box, and the collecting box is located directly below the roller.

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