Crushing structure of revolution and rotation single-cone dryer

Abstract

The utility model provides a crushing structure of a revolution and rotation single-cone dryer, and belongs to the technical field of dryers. The problems that materials of an existing revolution and rotation single-cone drying machine are prone to caking and huddling are solved. The drying machine comprises a kettle body, a driving structure arranged on the kettle body and a rotating arm located in the kettle body, the driving structure can drive the rotating arm to rotate, a crushing structure comprises a crushing cutter and a first output shaft of the driving structure, and the outer end of the first output shaft penetrates out of the rotating arm and extends into an inner cavity of the kettle body. A sealing piece is arranged between the first output shaft and the rotating arm, the crushing cutter is fixedly connected to the outer end of the first output shaft, and the first output shaft can drive the crushing cutter to rotate. The crushing structure of the revolution and rotation single-cone drying machine has the advantages that materials cannot be caked and huddled, and the materials are uniformly stirred.

Description

Technical Field

[0001] The utility model belongs to the technical field of dryers and relates to a crushing structure of a revolving single-cone dryer. Background Art

[0002] The single cone dryer is a mixing and drying technology equipment, especially suitable for drying wet solid materials that are sensitive to heat or easily oxidized. The single cone dryer has the advantages of high drying efficiency, good product quality assurance and low operating costs.

[0003] Existing single-cone dryers, for example, Chinese patent literature discloses a conical vacuum mixer [patent number: 202010908919.6; application publication number: CN111921432A]. The conical vacuum mixer includes a power device, a revolution and rotation mechanism and a cylinder. The power device is fixed to the top of the cylinder. A spiral shaft is provided in the cylinder. A mounting seat is fixedly connected to the top of the cylinder. The output shaft of the power device passes through the mounting seat and can drive the spiral shaft to rotate and revolve at the same time through the revolution and rotation mechanism. The first connecting seat of the first mechanical seal has a first chip receiving groove. There is a gap between the first connecting seat and the output shaft. The first chip receiving groove can be connected to the cavity inside the cylinder through the gap. The top of the mounting seat has a first flushing hole that can be connected to the outside of the cylinder. The first connecting seat has a second flushing hole connected to the first chip receiving groove, and the first flushing hole and the second flushing hole are connected.

[0004] In the single cone dryer with this structure, the output shaft of the power device passes through the mounting seat and drives the spiral shaft to rotate and revolve at the same time through the revolution and rotation mechanism, thereby improving the mixing effect of the material. However, in the early stage of drying, when mixing materials with a large moisture content, the materials are prone to caking and clumping, resulting in uneven mixing of the materials. Summary of the invention

[0005] The utility model aims at the above problems existing in the prior art, proposes a crushing structure of a rotary single cone dryer, and solves the technical problem of how to prevent materials from agglomerating and clumping and to stir the materials evenly.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a crushing structure of a reciprocating single-cone dryer, the dryer includes a kettle body, a driving structure arranged on the kettle body and a rotating arm located in the kettle body, the driving structure can drive the rotating arm to rotate, and is characterized in that the crushing structure includes a crushing knife and a first output shaft of the driving structure, the outer end of the first output shaft passes through the rotating arm and extends into the inner cavity of the kettle body, a seal is provided between the first output shaft and the rotating arm, the crushing knife is fixedly connected to the outer end of the first output shaft, and the first output shaft can drive the crushing knife to rotate.

[0007] During operation, the driving structure drives the rotating arm to revolve, and at the same time drives the spiral shaft connected to the rotating arm to rotate. This crushing structure utilizes the power of the revolving and rotating structure, which is equivalent to making the length of the first output shaft of the driving structure longer, so that the first output shaft passes through the rotating arm and extends into the inner cavity of the kettle body, and the crushing knife is driven to rotate through the first output shaft. The crushing knife rotates to break up the material, so that the material will not clump and clump, and the material can be evenly stirred by the spiral shaft. At the same time, there is no need to add an additional power mechanism to drive the crushing knife to rotate, and the design is reasonable. The setting of the seal plays a sealing role, so that the first output shaft passing through the rotating arm will not contaminate the material in the inner cavity of the kettle body, thereby ensuring product quality.

[0008] In the above-mentioned crushing structure of the rotary single cone dryer, the crushing knife includes a positioning cylinder and a plurality of crushing rods fixedly connected to the outer peripheral wall of the positioning cylinder at intervals, and the positioning cylinder is sleeved and fixed on the outer end of the first output shaft. The positioning cylinder can be sleeved and fixed on the first output shaft by fasteners such as bolts, so that the crushing knife is conveniently fixed.

[0009] In the crushing structure of the above-mentioned rotary single cone dryer, the outer peripheral wall of the positioning cylinder is flush with the outer peripheral wall of the first output shaft. This structure makes the positioning cylinder and the first output shaft have a good combination effect and a strong sense of integrity.

[0010] As another case, in the crushing structure of the above-mentioned reciprocating single-cone dryer, the crushing knife includes a plurality of crushing rods, and the crushing rods are welded and fixedly connected to the outer end of the first output shaft at intervals.

[0011] In the above-mentioned crushing structure of the rotary single cone dryer, the crushing knife is located at the center of the inner cavity of the kettle. This structure places the crushing knife in the best breaking position, so that the material will not clump and clump, and the material can be stirred evenly.

[0012] In the crushing structure of the above-mentioned rotary single cone dryer, the rotating arm includes a sealing cylinder that is annular and protrudes downward, the sealing member is a mechanical seal, the sealing member is arranged in the sealing cylinder, and the first output shaft passes through the sealing member. The sealing cylinder is used to install the sealing member so that the first output shaft passes through the rotating arm without contaminating the material in the inner cavity of the kettle.

[0013] In the crushing structure of the above-mentioned rotary single cone dryer, the sealing member includes a connection seat for being fixedly connected to the sealing cylinder, the connection seat has a backflush channel and a chip receiving groove with an upward opening, there is a gap between the connection seat and the first output shaft, the chip receiving groove can be connected to the inner cavity of the kettle body through the gap, one end of the backflush channel is connected to the chip receiving groove, and the other end passes through the connection seat and is connected to the inner cavity of the kettle body, and the other end of the backflush channel is detachably fixedly connected with a plug. When cleaning, the plug can be removed, and the backflush channel is blown, and the debris of the dynamic ring and the static ring due to rotational wear is blown from the chip receiving groove through the gap to the inner cavity of the kettle body, and then discharged from the kettle body to prevent excessive accumulation of debris and falling to contaminate the product.

[0014] As another case, in the crushing structure of the above-mentioned reciprocating single-cone dryer, the rotating arm includes a sealing cylinder which is annular and protrudes downward, the sealing member is an annular ceramic seal, the inner circumferential wall of the sealing member is in contact with the outer circumferential wall of the first output shaft, and the outer circumferential wall of the sealing member is in contact with the inner circumferential wall of the sealing cylinder.

[0015] Compared with the prior art, the crushing structure of the rotary single cone dryer provided by the utility model has the following advantages:

[0016] 1. This crushing structure utilizes the power of the revolution and rotation structure, which is equivalent to making the length of the first output shaft of the driving structure longer, so that the first output shaft passes through the rotating arm and extends into the inner cavity of the kettle body. The first output shaft drives the crushing knife to rotate, and the crushing knife rotates to break up the material, so that the material will not clump and clump, and the material can be evenly stirred by the spiral shaft.

[0017] 2. This crushing structure is equipped with a backflush channel and a chip receiving groove to blow the debris generated by the rotating wear of the dynamic ring and the static ring from the chip receiving groove through the gap into the inner cavity of the kettle body, and then discharge it from the inner cavity of the kettle body to prevent excessive accumulation of debris and contamination of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a sectional view of the overall structure of this rotary single cone dryer.

[0019] Figure 2 It is a cross-sectional view of the overall structure of the crushing structure.

[0020] Figure 3 This broken structure Figure 1 Magnified view of area A.

[0021] In the figure, 1, kettle body; 2, driving structure; 3, rotating arm; 31, sealing cylinder; 4, crushing knife; 41, positioning cylinder; 42, crushing rod; 5, first output shaft; 6, sealing element; 61, connecting seat; 62, backflush channel; 63, chip receiving groove; 64, plug; 7, gap. DETAILED DESCRIPTION

[0022] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0023] like Figure 1 As shown, the dryer includes a kettle body 1, a driving structure 2 arranged on the kettle body 1 and a rotating arm 3 located in the kettle body 1, and the driving structure 2 can drive the rotating arm 3 to rotate. The crushing structure of the rotary single cone dryer includes a crushing knife 4 and a first output shaft 5 of the driving structure 2.

[0024] The outer end of the first output shaft 5 passes through the rotating arm 3 and extends into the inner cavity of the kettle body 1. A seal 6 is provided between the first output shaft 5 and the rotating arm 3. The crushing knife 4 is fixedly connected to the outer end of the first output shaft 5. The first output shaft 5 can drive the crushing knife 4 to rotate.

[0025] Specifically, the crushing knife 4 is located at the center of the inner cavity of the kettle body 1. Figure 2 As shown, in this embodiment, the crushing knife 4 includes a positioning cylinder 41 and nine crushing rods 42 fixedly connected to the outer peripheral wall of the positioning cylinder 41 at intervals. The positioning cylinder 41 is sleeved and fixed on the outer end of the first output shaft 5. The outer peripheral wall of the positioning cylinder 41 is flush with the outer peripheral wall of the first output shaft 5. In actual production, the crushing knife 4 includes nine crushing rods 42, and the crushing rods 42 are fixedly connected to the outer end of the first output shaft 5 by welding at intervals.

[0026] In this embodiment, the rotating arm 3 includes a sealing cylinder 31 that is annular and protrudes downward, the sealing member 6 is a mechanical seal, the sealing member 6 is arranged in the sealing cylinder 31, the first output shaft 5 passes through the sealing member 6, the sealing member 6 includes a connecting seat 61 for being fixedly connected to the sealing cylinder 31, the connecting seat 61 has a backflush channel 62 and a chip groove 63 opening upward, a gap 7 is provided between the connecting seat 61 and the first output shaft 5, the chip groove 63 can be connected to the inner cavity of the kettle body 1 through the gap 7, one end of the backflush channel 62 is connected to the chip groove 63, and the other end passes through the connecting seat 61 and is connected to the inner cavity of the kettle body 1, the other end of the backflush channel 62 is detachably fixedly connected with a plug 64, in actual production, the rotating arm 3 includes a sealing cylinder 31 that is annular and protrudes downward, the sealing member 6 is an annular ceramic seal, the inner circumferential wall of the sealing member 6 is in contact with the outer circumferential wall of the first output shaft 5, and the outer circumferential wall of the sealing member 6 is in contact with the inner circumferential wall of the sealing cylinder 31.

[0027] During operation, the driving structure 2 drives the rotating arm 3 to revolve, and at the same time drives the spiral shaft connected to the rotating arm 3 to rotate, and the first output shaft 5 of the driving structure 2 drives the crushing structure to rotate at the same time, so as to break up and stir the materials.

[0028] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0029] Although the terms such as kettle body 1, driving structure 2, rotating arm 3, sealing cylinder 31, crushing knife 4, positioning cylinder 41, crushing rod 42, first output shaft 5, sealing member 6, connecting seat 61, backflush channel 62, chip receiving groove 63, plug 64, gap 7 are used more frequently in this article, the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A crushing structure of a revolving single cone dryer, the dryer comprising a kettle (1), a driving structure (2) arranged on the kettle (1) and a rotating arm (3) located in the kettle (1), the driving structure (2) being capable of driving the rotating arm (3) to rotate, characterized in that: The crushing structure comprises a crushing knife (4) and a first output shaft (5) of the driving structure (2); the outer end of the first output shaft (5) passes through the rotating arm (3) and extends into the inner cavity of the kettle body (1); a sealing member (6) is provided between the first output shaft (5) and the rotating arm (3); the crushing knife (4) is fixedly connected to the outer end of the first output shaft (5); and the first output shaft (5) can drive the crushing knife (4) to rotate.

2. The crushing structure of the rotary single cone dryer according to claim 1 is characterized in that: The crushing knife (4) comprises a positioning tube (41) and a plurality of crushing rods (42) fixedly connected to the outer peripheral wall of the positioning tube (41) at intervals. The positioning tube (41) is sleeved and fixed on the outer end of the first output shaft (5).

3. The crushing structure of the rotary single cone dryer according to claim 2 is characterized in that: The outer peripheral wall of the positioning cylinder (41) is flush with the outer peripheral wall of the first output shaft (5).

4. The crushing structure of the rotary single cone dryer according to claim 1 is characterized in that: The crushing knife (4) comprises a plurality of crushing rods (42), and the crushing rods (42) are welded and fixedly connected to the outer end of the first output shaft (5) at intervals.

5. The crushing structure of the rotary single cone dryer according to claim 1, 2, 3 or 4, characterized in that: The crushing knife (4) is located at the center of the inner cavity of the kettle body (1).

6. The crushing structure of the rotary single cone dryer according to claim 1, 2, 3 or 4, characterized in that: The rotating arm (3) comprises a sealing cylinder (31) which is annular and protrudes downwards, the sealing member (6) is a mechanical seal, the sealing member (6) is arranged in the sealing cylinder (31), and the first output shaft (5) passes through the sealing member (6).

7. The crushing structure of the rotary single cone dryer according to claim 6, characterized in that: The sealing member (6) comprises a connecting seat (61) for being fixedly connected to the sealing cylinder (31), the connecting seat (61) having a backflush channel (62) and a chip receiving groove (63) opening upward, a gap (7) being provided between the connecting seat (61) and the first output shaft (5), the chip receiving groove (63) being able to communicate with the inner cavity of the kettle body (1) through the gap (7), one end of the backflush channel (62) being connected with the chip receiving groove (63), and the other end passing through the connecting seat (61) and being connected with the inner cavity of the kettle body (1), the other end of the backflush channel (62) being detachably fixedly connected with a plug (64).

8. The crushing structure of the rotary single cone dryer according to claim 1, 2, 3 or 4, characterized in that: The rotating arm (3) comprises a sealing cylinder (31) which is annular and protrudes downwards, the sealing member (6) is an annular ceramic seal, the inner peripheral wall of the sealing member (6) is in contact with the outer peripheral wall of the first output shaft (5), and the outer peripheral wall of the sealing member (6) is in contact with the inner peripheral wall of the sealing cylinder (31).

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