Pneumatic drying system for chlorfenapyr wet fine product

Abstract

The utility model discloses a chlorfenapyr wet fine product airflow drying system which comprises a fixedly-arranged flash evaporation barrel, the bottom end of the flash evaporation barrel is installed in an airflow housing, a liftable sliding barrel is installed between the flash evaporation barrel and the airflow housing, and an air inlet annular gap is formed between the bottom end of the sliding barrel and the airflow housing. A stirring part is mounted in the middle of an inner cavity of the airflow housing; a shunting disc with a conical structure is mounted at the top end of the stirring part; a feeding cylinder arranged in the vertical direction is installed on the upper portion of an inner cavity of the flash evaporation cylinder body, the feeding cylinder and the flash evaporation cylinder body are coaxially arranged, the top of the feeding cylinder extends out of the flash evaporation cylinder body, and the bottom end of the feeding cylinder is located over the flow dividing disc. According to the airflow drying system, feeding can be conducted in the vertical direction, the problem of material accumulation is avoided, and materials make full and even contact with hot air; the air inlet annular gap can be automatically adjusted, and the adjusting process is free of risks.

Description

Technical Field

[0001] The utility model relates to an airflow drying system for wet fine products of chlorfenapyr, and belongs to the technical field of chlorfenapyr drying. Background Art

[0002] Chlorfenapyr, also known as chlorfenapyr, is a white crystalline powder. It is a highly effective and low-toxic insecticide with both stomach poison and contact effects. It has strong permeability on the leaf surface, a certain systemic effect, and has the characteristics of a wide insecticide spectrum, high prevention effect, long-lasting effect, and safety. During the synthesis process, the wet product of chlorfenapyr needs to be put into a flash dryer for drying, and then packaged and stored.

[0003] The flash drying equipment in the prior art is a vertical fluidized bed drying equipment, the main body of which is a cylindrical drying chamber, which consists of a crushing fluidizing section at the bottom, a middle drying section and a top grading section, and can simultaneously complete operations such as crushing, drying and grading of materials.

[0004] Patent No. CN201620932635.X discloses a high-efficiency heating cyclone flash dryer, which adopts a side feeding method. If the crushing is not timely, it is easy to cause material accumulation. The material is easy to accumulate on the feeding side of the drying chamber, affecting the flash drying of the material.

[0005] Patent No. CN202321950357.7 discloses a flash dryer, which manually adjusts the opening of the air inlet annular gap at the top of the flash dryer. Since the main body of the flash dryer is relatively high, the adjustment process is cumbersome and involves certain risks.

[0006] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content

[0007] In view of the deficiencies in the background technology, the utility model provides a chlorfenapyr wet fine product airflow drying system, which can feed materials in a vertical direction to avoid the problem of material accumulation and ensure sufficient and uniform contact between the materials and the hot air; it can realize automatic adjustment of the air intake annular gap, and the adjustment process is risk-free.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0009] The fine airflow drying system of chlorfenapyr wet products comprises a fixed flash cylinder, the bottom end of which is installed in an airflow cover, a liftable sliding cylinder is installed between the flash cylinder and the airflow cover, and an air intake annular gap is provided between the bottom end of the sliding cylinder and the airflow cover;

[0010] A stirring component is installed in the middle of the inner cavity of the airflow cover, and a diverter plate with a conical structure is installed on the top of the stirring component;

[0011] A feed cylinder arranged in the vertical direction is installed on the upper part of the inner cavity of the flash cylinder. The feed cylinder and the flash cylinder are coaxially arranged. The top of the feed cylinder extends to the outside of the flash cylinder, and the bottom of the feed cylinder is located directly above the diverter plate.

[0012] Furthermore, the inner wall surface of the sliding cylinder is slidably connected to the outer wall surface of the flash cylinder, and the outer wall surface of the sliding cylinder is slidably connected to the airflow cover.

[0013] Furthermore, the sliding cylinder is driven to rise and fall by an electric telescopic cylinder, a sliding ring body is fixedly connected to the top of the sliding cylinder, the electric telescopic cylinder is fixedly connected to the fixed ring body in the vertical direction, the fixed ring body is located above the sliding ring body and is fixedly connected to the outer wall of the flash cylinder.

[0014] Furthermore, the number of the electric telescopic cylinders is at least two, which are distributed on the periphery of the flash cylinder; a guide rod is provided between adjacent electric telescopic cylinders, the bottom end of the guide rod is fixedly connected to the sliding ring body, and the upper part of the guide rod body is slidably connected to the fixed ring body.

[0015] Furthermore, the side of the airflow cover is connected to the hot air inlet pipe, and the hot air inlet pipe is connected to the airflow cover along the tangent direction of the airflow cover.

[0016] Furthermore, a screw is installed inside the feed barrel, and the top end of the screw is transmission-connected to the driving device.

[0017] Furthermore, the side of the feed barrel is connected to the bottom of the feed bin, and the inner cavities are connected.

[0018] Furthermore, one side of the top of the inner cavity of the flash cylinder is connected to an airflow drying pipe, and the end of the airflow drying pipe is connected to a cyclone separation device and a bag dust removal device in sequence.

[0019] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0020] The utility model feeds materials in a vertical direction, and the materials are fully and evenly contacted with the hot air under the action of the diverter plate and the stirring component, thereby avoiding the accumulation of materials and the problem of uneven heating due to agglomeration of materials;

[0021] The air inlet annular gap in the utility model can realize opening adjustment under the drive of the electric telescopic cylinder, thereby changing the wind speed and wind pressure of the hot air, and effectively improving the applicability of flash drying.

[0022] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the installation of the sliding cylinder.

[0026] In the figure, 1-flash cylinder, 2-sliding cylinder, 3-inlet annular gap, 4-airflow cover, 5-hot air inlet pipe, 6-sliding ring body, 7-fixed ring body, 8-electric telescopic cylinder, 9-guide rod, 10-stirring component, 11-diverter plate, 12-feeding cylinder, 13-screw, 14-feeding bin, 15-airflow drying tube. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0028] like Figure 1-Figure 3 As shown together, the utility model provides a chlorfenapyr wet fine product air flow drying system, including a fixedly arranged flash cylinder 1, the bottom end of the flash cylinder 1 is installed in an air flow cover 4, a liftable sliding cylinder 2 is installed between the flash cylinder 1 and the air flow cover 4, and an air intake annular gap 3 is provided between the bottom end of the sliding cylinder 2 and the air flow cover 4.

[0029] The inner wall surface of the sliding cylinder 2 is slidably connected to the outer wall surface of the flash cylinder 1 , and the outer wall surface of the sliding cylinder 2 is slidably connected to the airflow cover 4 .

[0030] The sliding cylinder 2 is driven by an electric telescopic cylinder 8 to achieve lifting and lowering. The top of the sliding cylinder 2 is fixedly connected to a sliding ring 6. The electric telescopic cylinder 8 is fixedly connected to the fixed ring 7 along the vertical direction. The fixed ring 7 is located above the sliding ring 6 and fixedly connected to the outer wall of the flash cylinder 1.

[0031] There are at least two electric telescopic cylinders 8, which are distributed on the periphery of the flash cylinder 1; a guide rod 9 is provided between adjacent electric telescopic cylinders 8, the bottom end of the guide rod 9 is fixedly connected to the sliding ring body 6, and the upper part of the main body of the guide rod 9 is slidably connected to the fixed ring body 7. The electric telescopic cylinder 8 cooperates with the guide rod 9 to ensure the stability of the lifting process of the sliding cylinder 2, thereby realizing the size adjustment of the air intake annular gap 3.

[0032] The side of the airflow cover 4 is connected to the hot air inlet pipe 5 , and the hot air inlet pipe 5 is connected to the airflow cover 4 along the tangent direction thereof.

[0033] A stirring component 10 is installed in the middle of the inner cavity of the airflow housing 4 , and a diverter plate 11 with a conical structure is installed on the top of the stirring component 10 . The diverter plate 11 rotates at a high speed with the stirring component 10 .

[0034] A feed cylinder 12 arranged in a vertical direction is installed on the upper part of the inner cavity of the flash cylinder 1. The feed cylinder 12 is coaxially arranged with the flash cylinder 1. The top of the feed cylinder 12 extends to the outside of the flash cylinder 1, and the bottom of the feed cylinder 12 is located directly above the diverter plate 11.

[0035] A screw rod 13 is installed inside the feed barrel 12, and the top end of the screw rod 13 is drivingly connected to a driving device.

[0036] The side of the feed cylinder 12 is connected to the bottom of the feed bin 14, and the inner cavities are connected.

[0037] An airflow drying pipe 15 is connected to one side of the top of the inner cavity of the flash cylinder 1, and the end of the airflow drying pipe 15 is connected to a cyclone separation device and a bag dust removal device in sequence.

[0038] The specific working principle of this utility model:

[0039] The stirring component 10 and the diverter disk 11 rotate at high speed; the hot air enters the inner cavity of the airflow cover 4 along the tangent direction of the airflow cover 4; the wet fine material of chlorfenapyr in the feed bin 14 is conveyed downward along the feed barrel 12 under the action of the screw 13, and is diverted to the surroundings through the diverter disk 11 at the conveying end. The diverted material is fully contacted with the hot air, heated, and dried under the action of the stirring component 10. The dried material is separated from the hot air by a cyclone separation device and discharged, and the hot air from which the material is separated is dusted by a bag dust removal device.

[0040] The utility model feeds materials in a vertical direction, and the materials are fully and evenly contacted with the hot air under the action of the diverter plate and the stirring component, thereby avoiding the accumulation of materials and the problem of uneven heating of the materials due to agglomeration.

[0041] The air inlet annular gap in the utility model can realize opening adjustment under the drive of the electric telescopic cylinder, thereby changing the wind speed and wind pressure of the hot air, and effectively improving the applicability of flash drying.

[0042] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. Afenamide wet fine airflow drying system, characterized by: It comprises a fixedly arranged flash cylinder (1), the bottom end of the flash cylinder (1) being installed in an airflow cover (4), a liftable sliding cylinder (2) being installed between the flash cylinder (1) and the airflow cover (4), and an air intake annular gap (3) being provided between the bottom end of the sliding cylinder (2) and the airflow cover (4); A stirring component (10) is installed in the middle of the inner cavity of the airflow housing (4), and a diverter plate (11) with a conical structure is installed at the top of the stirring component (10); A feed cylinder (12) arranged in a vertical direction is installed at the upper part of the inner cavity of the flash cylinder (1); the feed cylinder (12) and the flash cylinder (1) are arranged coaxially; the top of the feed cylinder (12) extends to the outside of the flash cylinder (1); and the bottom of the feed cylinder (12) is located directly above the diverter plate (11).

2. The airflow drying system for the wet fine product of chlorfenapyr according to claim 1, characterized in that: The inner wall surface of the sliding cylinder (2) is slidably connected to the outer wall surface of the flash cylinder (1), and the outer wall surface of the sliding cylinder (2) is slidably connected to the airflow cover (4).

3. The airflow drying system for the wet fine product of chlorfenapyr according to claim 2, characterized in that: The sliding cylinder (2) is driven by an electric telescopic cylinder (8) to achieve lifting and lowering. The top end of the sliding cylinder (2) is fixedly connected to a sliding ring body (6). The electric telescopic cylinder (8) is fixedly connected to a fixed ring body (7) in a vertical direction. The fixed ring body (7) is located above the sliding ring body (6) and is fixedly connected to the outer wall of the flash cylinder (1).

4. The airflow drying system for wet fine products of chlorfenapyr according to claim 3, characterized in that: The number of the electric telescopic cylinders (8) is at least two and they are distributed on the periphery of the flash drum (1); a guide rod (9) is provided between adjacent electric telescopic cylinders (8); the bottom end of the guide rod (9) is fixedly connected to the sliding ring body (6), and the upper part of the main body of the guide rod (9) is slidably connected to the fixed ring body (7).

5. The airflow drying system for the wet fine product of chlorfenapyr according to claim 1, characterized in that: The side of the airflow casing (4) is connected to the hot air inlet pipe (5), and the hot air inlet pipe (5) is connected to the airflow casing (4) along a tangent direction thereof.

6. The airflow drying system for the wet fine product of chlorfenapyr according to claim 1, characterized in that: A screw rod (13) is installed inside the feed barrel (12), and the top end of the screw rod (13) is drivingly connected to a driving device.

7. The airflow drying system for wet fine products of chlorfenapyr according to claim 6, characterized in that: The side of the feed cylinder (12) is connected to the bottom of the feed bin (14), and the inner cavities are interconnected.

8. The airflow drying system for the wet fine product of chlorfenapyr according to claim 1, characterized in that: An airflow drying pipe (15) is connected to one side of the top of the inner cavity of the flash cylinder (1), and the end of the airflow drying pipe (15) is connected in sequence to a cyclone separation device and a bag dust removal device.

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