Ring roller mill material processing production line

Abstract

The utility model discloses a ring roller mill material processing production line which comprises a ring roller mill, a cyclone dust collector, a pulse dust collector, a material collecting screw conveyor and a material distributing screw conveyor, an air outlet of the cyclone dust collector is in butt joint with an air inlet of the pulse dust collector through a pipeline, a bottom discharging opening of the pulse dust collector is in butt joint with a material distributing inlet of the material distributing screw conveyor, and a first material distributing outlet and a second material distributing outlet are formed in the lower portions of the two ends of the material distributing screw conveyor respectively. A pair of material distributing spiral blades with opposite rotating directions are mounted in the material distributing spiral conveyor; a first material collecting inlet and a second material collecting inlet are formed in the upper portions of the two ends of the material collecting spiral conveyor respectively. The production line disclosed by the utility model is reasonable in structural design, and powder products with different particle sizes can be synchronously produced through the production cooperation among the cyclone dust collector, the pulse dust collector, the material collecting screw conveyor and the material distributing screw conveyor.

Description

Technical Field

[0001] The utility model relates to the technical field of powder material processing, in particular to a ring roller mill material processing production line. Background Art

[0002] The mill processes the material into powder. In the existing production line, the mill and the classifier are arranged front to back. The material generated by the mill enters the classifier for classification, and the material that meets the standards is selected and flows into the storage structure, while the material that does not meet the standards is collected in another storage structure. The material that does not meet the standards needs to be recycled and reprocessed later, which makes the entire processing efficiency low and wastes energy.

[0003] In order to solve the above problems, the Chinese utility model patent with authorization announcement number CN207563049U discloses a large-scale dry ultrafine powder production line. The materials generated by grinding in the mill enter the classifier and are classified. The materials that meet the standards are selected and directly flow into the storage structure under the action of the induced draft fan. The materials that do not meet the standards flow into the second feed port of the mill again through the bottom waste discharge port of the classifier, and are mixed with the materials from the first feed port and ground to obtain materials that meet the standards. This allows all materials to be quickly converted into powder that meets the standards after entering the production line, and has high processing efficiency and saves energy.

[0004] However, the above scheme can usually only produce and process products with a set particle size, and cannot simultaneously produce two or more powder products of different specifications. Utility Model Content

[0005] The purpose of the utility model is to provide a ring roller mill material processing production line, which can simultaneously produce two or more powder products of different specifications to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A ring roller mill material processing production line comprises a ring roller mill, a cyclone dust collector, a pulse dust collector, a material collecting screw conveyor and a material dividing screw conveyor, wherein the negative pressure outlet end of the ring roller mill is connected with the air inlet of the cyclone dust collector through a pipeline, the air outlet of the cyclone dust collector is connected with the air inlet of the pulse dust collector through a pipeline, the bottom discharge port of the pulse dust collector is connected with the material dividing inlet of the material dividing screw conveyor, the lower parts of both ends of the material dividing screw conveyor are respectively provided with a material dividing outlet 1 and a material dividing outlet 2, and a pair of material dividing spiral blades with opposite rotation directions are installed inside the material dividing screw conveyor; the upper parts of both ends of the material collecting screw conveyor are respectively provided with a material collecting inlet 1 and a material collecting inlet 2, the material collecting inlet 1 is connected with the bottom discharge port of the cyclone dust collector through a pipeline, the material collecting inlet 2 is connected with the material dividing outlet 1 through a pipeline, the lower middle part of the material collecting screw conveyor is provided with a material collecting outlet, and a pair of material collecting spiral blades with opposite rotation directions are installed inside the material collecting screw conveyor.

[0008] As a further solution of the utility model, the material collection outlet is connected to the packaging machine 1 below, and the material distribution outlet 2 is connected to the packaging machine 2 below.

[0009] As a further solution of the utility model, it also includes a raw material bin and a belt conveyor. The raw material bin is connected to the feeding end of the belt conveyor through a rod gate, and the discharging end of the belt conveyor is connected to the feeding end of the ring roller mill.

[0010] As a further solution of the utility model, a rotary valve 1 is installed on the pipeline between the bottom discharge port of the cyclone dust collector and the material collection inlet 1; a rotary valve 2 is installed on the pipeline between the material distribution outlet 1 and the material collection inlet 2; and a rotary valve 3 is installed on the pipeline between the material distribution outlet 2 and the packaging machine 2.

[0011] As a further solution of the utility model, the material dividing screw conveyor includes a material dividing conveying cylinder, a material dividing conveying shaft rotatably installed in the material dividing conveying cylinder, and a material dividing driving motor for driving the material dividing conveying shaft to rotate, and a pair of material dividing spiral blades with opposite rotation directions are distributed and installed on the material dividing conveying shaft.

[0012] As a further solution of the utility model, the material collecting screw conveyor includes a material collecting conveying cylinder, a material collecting conveying shaft rotatably installed in the material collecting conveying cylinder, and a material collecting driving motor for driving the material collecting conveying shaft to rotate, and a pair of material collecting spiral blades with opposite rotation directions are distributed and installed on the material collecting conveying shaft.

[0013] As a further scheme of the utility model, it also includes a centrifugal fan, the air outlet of the centrifugal fan is connected with the back-blowing duct at the upper end of the pulse dust collector through a duct, and a pulse air volume regulating valve is also installed on the duct between the air outlet of the centrifugal fan and the back-blowing duct. The back-blowing airflow is generated by the centrifugal fan, and the back-blowing airflow is blown toward the cloth bag in the upper cavity through the back-blowing duct, thereby blowing off the fine powder adhered to the cloth bag.

[0014] As a further solution of the utility model, a muffler is also installed at the air inlet of the centrifugal fan to reduce the operating noise of the centrifugal fan.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the production line structure of the utility model is reasonably designed, and through the production coordination between the cyclone dust collector, the pulse dust collector, the material collecting screw conveyor and the material dividing screw conveyor, the synchronous production of powder products of different particle sizes can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a ring roller mill material processing production line;

[0017] Figure 2 It is a structural schematic diagram of a material distribution screw conveyor in a ring roller mill material processing production line;

[0018] Figure 3 It is a schematic diagram of the structure of a spiral conveyor for collecting materials in a ring roller mill material processing production line.

[0019] In the figure: 1-ring roller mill, 2-cyclone dust collector, 21-rotary valve 1, 3-material collection screw conveyor, 31-material collection conveying cylinder, 32-material collection conveying shaft, 33-material collection spiral blade, 34-material collection inlet 1, 35-material collection outlet, 36-material collection drive motor, 37-material collection inlet 2, 4-pulse dust collector, 41-air flow outlet, 5-material distribution screw conveyor, 51-material distribution conveying cylinder, 52-material distribution conveying shaft, 53-material distribution spiral blade, 54-material distribution outlet 1, 55-material distribution inlet, 56-material distribution drive motor, 57-material distribution outlet 2, 58-rotary valve 2, 59-rotary valve 3, 6-packaging machine 1, 7-packaging machine 2, 8-raw material warehouse, 81-rod gate, 82-belt conveyor, 9-centrifugal fan, 91-muffler. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 3The utility model provides a technical solution: a ring roller mill material processing production line, including a ring roller mill 1, a cyclone dust collector 2, a pulse dust collector 4, a material collecting screw conveyor 3 and a material dividing screw conveyor 5. The ring roller mill 1 can specifically adopt the existing technology, and has a grinding roller and a grinding ring inside, and also has a grading wheel for grading materials. The negative pressure outlet end of the ring roller mill 1 is connected to the air inlet of the cyclone dust collector 2 through a pipeline, and the air outlet of the cyclone dust collector 2 is connected to the air inlet of the pulse dust collector 4 through a pipeline. The bottom discharge port of the pulse dust collector 4 is connected to the material dividing inlet 55 of the material dividing screw conveyor 5. A material distribution outlet 1 54 and a material distribution outlet 2 57 are respectively provided at the lower parts of both ends of the material screw conveyor 5, and a pair of material distribution spiral blades 53 with opposite rotation directions are installed inside the material distribution screw conveyor 5; a material collection inlet 1 34 and a material collection inlet 2 37 are respectively provided at the upper parts of both ends of the material collection screw conveyor 3, the material collection inlet 1 34 is connected to the bottom discharge port of the cyclone dust collector 2 through a pipeline, and the material collection inlet 2 37 is connected to the material distribution outlet 1 54 through a pipeline, and a material collection outlet 35 is provided at the lower end of the middle part of the material collection screw conveyor 3, and a pair of material collection spiral blades 33 with opposite rotation directions are installed inside the material collection screw conveyor 3.

[0022] In specific applications, the material collection outlet 35 is connected to the packaging machine 6 below, and the coarse powder or coarse and fine mixed powder discharged from the material collection outlet 35 is packaged by the packaging machine 6. The material distribution outlet 2 57 is connected to the packaging machine 2 7 below, and the fine powder discharged from the material distribution outlet 2 57 is packaged by the packaging machine 2 7.

[0023] In order to control the discharge of powder, in this embodiment, a rotary valve 21 is also installed on the pipeline between the bottom discharge port of the cyclone dust collector 2 and the material collection inlet 34; a rotary valve 58 is also installed on the pipeline between the material distribution outlet 54 and the material collection inlet 37; and a rotary valve 59 is also installed on the pipeline between the material distribution outlet 57 and the packaging machine 7.

[0024] The working principle of the utility model is as follows: the material to be processed is added into the ring roller mill 1, the material is ground and crushed under the cooperation of the grinding roller and the grinding ring of the ring roller mill 1, the crushed material is conveyed to the grading wheel above the ring roller mill 1 under the action of negative pressure for grading, the classified powder passes through the grading wheel and is conveyed to the cyclone dust collector 2 under the action of negative pressure, the coarse powder in the powder will be collected by the cyclone dust collector 2, the collected coarse powder enters the material collection inlet 34 of the material collection screw conveyor 3 through the bottom discharge port of the cyclone dust collector 2, and is conveyed to the packaging machine for packaging through the rotary valve and the screw conveyor.

[0025] The fine powder in the powder body enters the pulse dust collector 4 through the air outlet of the cyclone dust collector 2, and the fine powder in the airflow is collected by the pulse dust collector 4, and the clean airflow is discharged from the airflow outlet 41 of the pulse dust collector 4. The collected fine powder enters the distributing inlet 55 of the distributing screw conveyor 5 through the bottom discharge port of the pulse dust collector 4, and is transported to the packaging machine for packaging via the screw conveyor and the rotary valve.

[0026] When it is necessary to produce and process coarse powder and fine powder simultaneously, close rotary valve 2 58, open rotary valve 1 21 and rotary valve 3 59. At this time, the fine powder entering the material dividing screw conveyor 5 is discharged from the material dividing outlet 2 57 under the rotation drive of the material dividing spiral blade 53 on the right, and is thus transported to the packaging machine 2 7 for packaging; and the coarse powder entering the material collecting screw conveyor 3 is discharged from the material collecting outlet 35 under the rotation drive of the material collecting spiral blade 33 on the left, and is thus transported to the packaging machine 1 6 for packaging.

[0027] When it is necessary to produce and process coarse and fine mixed powders and fine powders simultaneously, all rotary valves 2 58, 1 21 and 3 59 are opened. At this time, the fine powder entering the dividing screw conveyor 5 is respectively discharged from the dividing outlet 1 54 and the dividing outlet 2 57 under the rotation drive of a pair of dividing spiral blades 53. The fine powder discharged from the dividing outlet 2 57 is packaged by the packaging machine 2 7; and the fine powder discharged from the dividing outlet 1 54 will enter the material collection inlet 2 37 of the material collection screw conveyor 3. The left material collection spiral blade 33 pushes the coarse powder to the middle, while the right material collection spiral blade 33 pushes the fine powder to the middle. After the coarse powder and the fine powder are mixed, they are discharged together from the material collection outlet 35 and packaged by the packaging machine 1 6.

[0028] The production line of the utility model has a reasonable structural design. Through the production coordination among the cyclone dust collector 2, the pulse dust collector 4, the material collecting screw conveyor 3 and the material dividing screw conveyor 5, the synchronous production of powder products with different types of particle sizes can be achieved.

[0029] As a further solution, in order to realize automatic loading of materials, the present embodiment further includes a raw material bin 8 and a belt conveyor 82. The raw material bin 8 is docked with the feeding end of the belt conveyor 82 through a rod gate 81, and the discharging end of the belt conveyor 82 is docked with the feeding end of the ring roller mill 1. The rod gate 81 controls the raw material bin 8 to move the materials to be processed below the belt conveyor 82, and the materials to be processed enter the ring roller mill 1 under the conveyor belt 82.

[0030] As a specific solution, in this embodiment, the material dividing screw conveyor 5 includes a material dividing conveying cylinder 51, a material dividing conveying shaft 52 rotatably installed in the material dividing conveying cylinder 51, and a material dividing driving motor 56 for driving the material dividing conveying shaft 52 to rotate, and a pair of material dividing spiral blades 53 with opposite rotation directions are distributed and installed on the material dividing conveying shaft 52. The material dividing driving motor 56 drives the material dividing conveying shaft 52 and the pair of material dividing spiral blades 53 with opposite rotation directions to rotate in a set direction, and the pair of rotating material dividing spiral blades 53 can convey the received fine powder to both ends of the material dividing conveying cylinder 51.

[0031] As a specific solution, in this embodiment, the material collection screw conveyor 3 includes a material collection conveying cylinder 31, a material collection conveying shaft 32 rotatably installed in the material collection conveying cylinder 31, and a material collection driving motor 36 for driving the material collection conveying shaft 32 to rotate, and a pair of material collection spiral blades 33 with opposite rotation directions are distributed and installed on the material collection conveying shaft 32. The material collection driving motor 36 drives the material collection conveying shaft 32 and the pair of material collection spiral blades 33 with opposite rotation directions to rotate in a set direction, and the pair of rotating material collection spiral blades 33 can convey the received coarse powder and fine powder to the middle of the material collection conveying cylinder 31 for mixing.

[0032] As a specific solution, this embodiment also includes a centrifugal fan 9, the air outlet of the centrifugal fan 9 is connected to the back-blowing pipe at the upper end of the pulse dust collector 4 through a pipe, and a pulse air volume regulating valve 92 is also installed on the pipe between the air outlet of the centrifugal fan 9 and the back-blowing pipe. In the prior art, the pulse dust collector 4 usually intercepts the fine powder in the lower cavity through a bag. In order to clean the fine powder adhering to the bag, a back-blowing airflow is generated by the centrifugal fan 9, and the back-blowing airflow is blown toward the bag in the upper cavity through the back-blowing pipe, thereby blowing off the fine powder adhering to the bag. In order to reduce the operating noise of the centrifugal fan 9, a muffler 91 is also connected to the air inlet of the centrifugal fan 9.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A ring roller mill material processing production line, characterized in that: The invention comprises a ring roller mill (1), a cyclone dust collector (2), a pulse dust collector (4), a material collecting screw conveyor (3) and a material dividing screw conveyor (5); the negative pressure outlet end of the ring roller mill (1) is connected to the air inlet of the cyclone dust collector (2) through a pipeline; the air outlet of the cyclone dust collector (2) is connected to the air inlet of the pulse dust collector (4) through a pipeline; the bottom discharge port of the pulse dust collector (4) is connected to the material dividing inlet (55) of the material dividing screw conveyor (5); the lower parts of both ends of the material dividing screw conveyor (5) are respectively provided with a material dividing outlet 1 (54) and a material dividing outlet 2 (57); and a pair of material dividing spiral blades (53) with opposite rotation directions are installed inside the material dividing screw conveyor (5); The upper parts of both ends of the material collecting screw conveyor (3) are respectively provided with a material collecting inlet 1 (34) and a material collecting inlet 2 (37); the material collecting inlet 1 (34) is connected to the bottom discharge port of the cyclone dust collector (2) through a pipeline; the material collecting inlet 2 (37) is connected to a material distribution outlet 1 (54) through a pipeline; the lower end of the middle part of the material collecting screw conveyor (3) is provided with a material collecting outlet (35); and a pair of material collecting spiral blades (33) with opposite rotation directions are installed inside the material collecting screw conveyor (3).

2. The ring roller mill material processing production line according to claim 1 is characterized in that: The material collection outlet (35) is connected to the packaging machine 1 (6) below, and the material distribution outlet 2 (57) is connected to the packaging machine 2 (7) below.

3. The ring roller mill material processing production line according to claim 1 is characterized in that: It also comprises a raw material bin (8) and a belt conveyor (82); the raw material bin (8) is butted against the feeding end of the belt conveyor (82) through a rod gate (81); and the discharging end of the belt conveyor (82) is butted against the feeding end of the ring roller mill (1).

4. The ring roller mill material processing production line according to claim 2 is characterized in that: A rotary valve 1 (21) is also installed on the pipeline between the bottom discharge port of the cyclone dust collector (2) and the first material collection inlet (34); a rotary valve 2 (58) is also installed on the pipeline between the first material distribution outlet (54) and the second material collection inlet (37); and a rotary valve 3 (59) is also installed on the pipeline between the second material distribution outlet (57) and the second packaging machine (7).

5. The ring roller mill material processing production line according to claim 1 is characterized in that: The material dividing screw conveyor (5) comprises a material dividing conveying cylinder (51), a material dividing conveying shaft (52) rotatably mounted in the material dividing conveying cylinder (51), and a material dividing driving motor (56) for driving the material dividing conveying shaft (52) to rotate, and a pair of material dividing screw blades (53) with opposite rotation directions are distributedly mounted on the material dividing conveying shaft (52).

6. The ring roller mill material processing production line according to claim 1 is characterized in that: The material converging screw conveyor (3) comprises a material converging conveying cylinder (31), a material converging conveying shaft (32) rotatably mounted in the material converging conveying cylinder (31), and a material converging driving motor (36) for driving the material converging conveying shaft (32) to rotate, and a pair of material converging screw blades (33) with opposite rotation directions are distributed and mounted on the material converging conveying shaft (32).

7. The ring roller mill material processing production line according to claim 1 is characterized in that: It also includes a centrifugal fan (9), the air outlet of the centrifugal fan (9) is connected to the back-blowing pipe at the upper end of the pulse dust collector (4) through a pipe, and a pulse air volume regulating valve (92) is also installed on the pipe between the air outlet of the centrifugal fan (9) and the back-blowing pipe.

8. The ring roller mill material processing production line according to claim 7 is characterized in that: The air inlet of the centrifugal fan (9) is also butt-mounted with a silencer (91).

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