Coal slurry raw material sorting device

Abstract

The utility model discloses a coal slurry raw material sorting device which comprises a machine frame and a screen drum rotationally installed on the machine frame, a transverse shaft extending in the length direction of the machine frame is rotationally installed on the machine frame, the transverse shaft penetrates through the screen drum, and the rotating direction of the transverse shaft is opposite to the rotating direction of the screen drum. A plurality of connecting rods which are distributed in the circumferential direction of the transverse shaft and extend in the radial direction are fixedly connected to the transverse shaft, a plurality of crushing cutters which are distributed in the length direction of the transverse shaft at intervals are fixedly connected to each connecting rod, and spiral blades extending in the length direction of the transverse shaft are fixedly connected to the inner wall of the screen drum; and the spiral blade rotating along with the screen drum is matched with the plurality of crushing cutters rotating along with the transverse shaft and is used for crushing the coal slurry raw material. According to the utility model, caked raw material coal can be effectively and quickly crushed, so that the raw material coal is favorably sorted, the sorting efficiency is improved, and the sorting effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of coal slurry raw material separation, in particular to a coal slurry raw material separation device. Background Art

[0002] The raw materials of coal slurry are mainly coal, water and auxiliary agents, among which the raw coal needs to be sorted. The common sorting equipment is the drum screen. The raw coal enters the inside of the drum screen through one end of the drum screen. As the drum screen rotates, the raw coal continuously turns and rolls in the drum screen. The raw coal with smaller particle size leaks out from the screen hole, while the raw coal with larger particle size is retained in the drum screen and discharged from the other end of the drum screen as the drum screen rotates, so as to achieve the classification and screening of the raw coal.

[0003] However, before sorting, the raw coal is piled up and squeezed for a long time, especially during packaging and transportation, which can easily cause the raw coal to agglomerate. As a result, some agglomerated raw coal cannot pass through the sieve holes smoothly during the sorting process, which not only reduces the sorting efficiency but also fails to achieve the expected sorting effect. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects and shortcomings of the prior art and to provide a coal slurry raw material sorting device that can effectively and quickly crush agglomerated raw coal, thereby facilitating the sorting of the raw coal, thereby improving the sorting efficiency and ensuring the sorting effect.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A coal slurry raw material sorting device comprises a frame and a screen drum rotatably mounted on the frame, characterized in that a transverse axis extending along the length direction thereof is rotatably mounted on the frame, the transverse axis passes through the screen drum, and the rotation direction of the transverse axis is opposite to the rotation direction of the screen drum, the transverse axis is respectively fixedly connected with a plurality of connecting rods distributed along its circumference and extending radially, each connecting rod is fixedly connected with a plurality of crushing knives distributed at intervals along its length direction, a spiral blade extending along the length direction thereof is fixedly connected to the inner wall of the screen drum, the spiral blade rotating with the screen drum cooperates with the plurality of crushing knives rotating with the transverse axis, and is used to crush the coal slurry raw material.

[0007] Furthermore, a transmission shaft extending along the length direction of the frame is rotatably mounted on one side of the frame, and a motor axially connected to one end of the transmission shaft is fixedly connected to one end of the frame.

[0008] Furthermore, a gear ring is fixedly mounted on the outside of one end of the screen cylinder, and a gear meshing with the gear ring is fixedly mounted on the transmission shaft.

[0009] Furthermore, a driving pulley is fixedly mounted on the other end of the transmission shaft, a driven pulley is fixedly mounted on the other end of the transverse shaft, and a belt is mounted between the driving pulley and the driven pulley.

[0010] Furthermore, a semi-cylindrical dust cover is detachably mounted on the frame, the semi-cylindrical dust cover is arranged above the sieve cylinder, and a brush in contact with the outer wall of the sieve cylinder is fixedly connected to the inner wall of the semi-cylindrical dust cover.

[0011] Furthermore, both ends of the semi-cylindrical dust cover are integrally connected with wings along their length direction, and the wings are provided with a plurality of through holes spaced apart along their length direction, and both sides of the frame are provided with a plurality of threaded blind holes spaced apart along their length direction, and a plurality of bolts pass through the plurality of through holes from top to bottom respectively, and are screwed into the plurality of threaded blind holes respectively.

[0012] Furthermore, sleeves are rotatably mounted on both ends of the transverse axis, a plurality of support rods distributed along its circumference are fixedly connected to the outer wall of the sleeve, and ends of the plurality of support rods are fixedly connected to the inner wall of the screen cylinder.

[0013] Furthermore, one end of the frame is fixedly connected to a bracket, and a feeding hopper is fixedly connected to the bracket. The bottom of the feeding hopper passes through one end of the screen cylinder and extends to the interior of the screen cylinder.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model arranges a crushing mechanism inside the screen drum (i.e., drum screen), and the crushing mechanism mainly comprises a crushing knife and a spiral blade, and the rotation direction of the horizontal axis is opposite to the rotation direction of the screen drum. The spiral blade rotating with the screen drum cooperates with the crushing knife rotating with the horizontal axis, and can effectively and quickly crush the agglomerated raw coal, which is beneficial to sorting the raw coal, thereby improving the sorting efficiency and ensuring the sorting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0018] Figure 3 It is a structural schematic diagram of the screen drum and crushing mechanism in the utility model.

[0019] Figure 4 It is a structural side view of the screen drum and crushing mechanism in the utility model.

[0020] Figure 5 It is a structural schematic diagram of the semi-cylindrical dust cover in the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 A coal slurry raw material sorting device includes a frame 1 and a screen drum 2 rotatably mounted on the frame 1, a horizontal axis 3 extending along its length direction is rotatably mounted on the frame 1, the horizontal axis 3 passes through the screen drum 2, and the rotation direction of the horizontal axis 3 is opposite to the rotation direction of the screen drum 2, and a plurality of connecting rods 4 distributed along its circumference and extending radially are fixedly connected to the horizontal axis 3, each connecting rod 4 is fixedly connected to a plurality of crushing knives 5 distributed at intervals along its length direction, a spiral blade 6 extending along its length direction is fixedly connected to the inner wall of the screen drum 2, and the spiral blade 6 rotating with the screen drum 2 cooperates with the plurality of crushing knives 5 rotating with the horizontal axis 3 to crush the coal slurry raw material, that is, crush the raw coal.

[0023] In the utility model, a transmission shaft 7 extending along its length direction is rotatably mounted on one side of the frame 1, and a motor 8 axially connected to one end of the transmission shaft 7 is fixedly connected to one end of the frame 1, so as to drive the transmission shaft 7 to rotate.

[0024] In the utility model, a gear ring 9 is fixedly sleeved on the outside of one end of the screen drum 2, and a gear 10 meshing with the gear ring 9 is fixedly sleeved on the transmission shaft 7, so as to drive the screen drum 2 to rotate.

[0025] In the utility model, the other end of the transmission shaft 7 is fixedly sleeved with a driving pulley 11, and the other end of the horizontal axis 3 is fixedly sleeved with a driven pulley 12. A belt 13 is sleeved between the driving pulley 11 and the driven pulley 12 to drive the horizontal axis 3 to rotate.

[0026] It should be noted that, by adopting the above transmission structure, on the one hand, the horizontal axis 3 and the sieve drum 2 can be driven to rotate by a transmission shaft 7, and on the other hand, the horizontal axis 3 and the sieve drum 2 can be rotated in opposite directions.

[0027] In the utility model, a semi-cylindrical dust cover 14 is detachably mounted on the frame 1, and the semi-cylindrical dust cover 14 is arranged above the sieve cylinder 2. A brush 15 in contact with the outer wall of the sieve cylinder 2 is fixedly connected to the inner wall of the semi-cylindrical dust cover 14, so as to clean the sieve holes of the sieve cylinder 2 and prevent the sieve holes from being blocked.

[0028] In the utility model, both ends of the semi-cylindrical dust cover 14 are integrally connected with wing edges 16 along the length direction thereof, and the wing edges 16 are provided with a plurality of through holes 17 spaced apart along the length direction thereof, and both sides of the frame 1 are provided with a plurality of threaded blind holes spaced apart along the length direction thereof (not shown in the figure), and a plurality of bolts 18 pass through the plurality of through holes 17 from top to bottom respectively, and are screwed into the plurality of threaded blind holes respectively, so as to fix the semi-cylindrical dust cover 14 to the frame 1 and facilitate disassembly.

[0029] In the utility model, both ends of the transverse axis 3 are rotatably mounted with sleeves 19, and the outer wall of the sleeve 19 is fixedly connected with a plurality of support rods 20 distributed along its circumference, and the ends of the plurality of support rods 20 are fixedly connected to the inner wall of the screen drum 2, so as to support the screen drum 2, so as to realize the rotatable installation of the screen drum 2 on the frame 1 without affecting the independent rotation of the screen drum 2 and the transverse axis 3.

[0030] In the utility model, one end of the frame 1 is fixedly connected to a bracket 21, and a feeding hopper 22 is fixedly connected to the bracket 21. The bottom of the feeding hopper 22 passes through one end of the screen cylinder and extends to the inside of the screen cylinder 2, so as to realize feeding.

[0031] The utility model is further described below in conjunction with the accompanying drawings:

[0032] When in use, the motor 8 is started to drive the transmission shaft 7 to rotate. On the one hand, the screen drum 2 is driven to rotate through the ring gear 9 and the gear 10, and on the other hand, the horizontal axis 3 is driven to rotate in the opposite direction through the driving pulley 11, the driven pulley 12 and the belt 13.

[0033] Then, the coal slurry raw material to be sorted, that is, the agglomerated raw coal, is put into the feeding hopper 22, and the raw coal is discharged into one end of the screen drum 2 through the bottom outlet of the feeding hopper 22, and moves to the other end of the screen drum 2 along with the rotating screen drum 2 and under the guidance of the spiral blade 6.

[0034] In this process, since the rotation direction of the horizontal axis 3 is opposite to that of the screen drum 2, the spiral blade 6 rotating with the screen drum 2 and the plurality of crushing knives 5 rotating with the horizontal axis 3 cooperate with each other to effectively and quickly crush the agglomerated raw coal.

[0035] After crushing, the raw coal with smaller particle sizes is dispersed and leaks out from the sieve holes of the screen drum 2, while the raw coal with larger particle sizes is retained in the screen drum 2 because it cannot pass through the sieve holes. As the screen drum 2 rotates, it is discharged from the other end of the screen drum 2, thereby realizing the grading and screening of the raw coal.

[0036] At the same time, the screen drum 2 passing under the semi-cylindrical dust cover 14 due to rotation is cleaned by the brush 15, which can prevent the screen holes from being blocked.

[0037] After using for a period of time, several bolts 18 are unscrewed, and the semi-cylindrical dust cover 14 is removed, and the semi-cylindrical dust cover 14 and the brush 15 can be cleaned, or the damaged brush can be replaced.

[0038] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0039] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. A coal slurry raw material sorting device, comprising a frame and a screen drum rotatably mounted on the frame, characterized in that: A transverse axis extending along its length direction is rotatably mounted on the frame, the transverse axis passes through the screen drum, and the rotation direction of the transverse axis is opposite to the rotation direction of the screen drum. A plurality of connecting rods distributed circumferentially and extending radially are fixedly connected to the transverse axis, each connecting rod is fixedly connected to a plurality of crushing knives distributed at intervals along its length direction, a spiral blade extending along its length direction is fixedly connected to the inner wall of the screen drum, the spiral blade rotating with the screen drum cooperates with the plurality of crushing knives rotating with the transverse axis, and is used to crush the coal slurry raw material.

2. A coal slurry raw material separation device according to claim 1, characterized in that: A transmission shaft extending along the length direction of the frame is rotatably mounted on one side of the frame, and a motor axially connected to one end of the transmission shaft is fixedly connected to one end of the frame.

3. A coal slurry raw material separation device according to claim 2, characterized in that: A gear ring is fixedly sleeved on the outside of one end of the screen cylinder, and a gear meshing with the gear ring is fixedly sleeved on the transmission shaft.

4. A coal slurry raw material separation device according to claim 2, characterized in that: The other end of the transmission shaft is fixedly sleeved with a driving pulley, the other end of the transverse shaft is fixedly sleeved with a driven pulley, and a belt is sleeved between the driving pulley and the driven pulley.

5. The coal slurry raw material separation device according to claim 1, characterized in that: A semi-cylindrical dust cover is detachably mounted on the frame, and the semi-cylindrical dust cover is arranged above the screen cylinder. A brush in contact with the outer wall of the screen cylinder is fixedly connected to the inner wall of the semi-cylindrical dust cover.

6. A coal slurry raw material separation device according to claim 5, characterized in that: Both ends of the semi-cylindrical dust cover are integrally connected with wings along the length direction, and the wings are provided with a plurality of through holes spaced apart along the length direction. Both sides of the frame are provided with a plurality of threaded blind holes spaced apart along the length direction, and a plurality of bolts pass through the plurality of through holes from top to bottom respectively, and are screwed into the plurality of threaded blind holes respectively.

7. The coal slurry raw material separation device according to claim 1, characterized in that: Both ends of the transverse axis are rotatably sleeved with sleeves, and the outer wall of the sleeve is fixedly connected with a plurality of support rods distributed along its circumference, and the ends of the plurality of support rods are fixedly connected to the inner wall of the screen cylinder.

8. The coal slurry raw material separation device according to claim 1, characterized in that: One end of the frame is fixedly connected with a bracket, and the bracket is fixedly connected with a feeding hopper. The bottom of the feeding hopper passes through one end of the screen cylinder and extends to the interior of the screen cylinder.

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