Novel vacuum dryer for 4-trifluoromethyl nicotinic acid

Abstract

The utility model provides a novel vacuum dryer for 4-trifluoromethyl nicotinic acid, which comprises a support seat, the inner side of the support seat is in shaft connection with a drying tank, and the upper end and the lower end of the drying tank are in threaded connection with sealing covers; the right side of the outer wall of the supporting base is in bolted connection with a turnover motor, and an output shaft of the turnover motor is in embedded connection with the drying tank. The left side of the supporting seat is connected with a uniform heating treatment seat structure; the lower left portion of the outer wall of the supporting base is in bolted connection with a PLC and electrically connected with the overturning motor. Through the arrangement of the uniform heating treatment seat structure, the heating and drying area is increased, the drying effect and efficiency are further improved, and the overall preparation efficiency is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of the preparation of 4-trifluoromethylnicotinic acid, and particularly relates to a novel vacuum dryer for 4-trifluoromethylnicotinic acid. Background Art

[0002] 4-Trifluoromethylnicotinic acid is an organic compound, usually in the form of white crystalline solid, with low solubility in water but soluble in organic solvents such as alcohols and ketones. A vacuum dryer is a device that uses heat to heat and dry materials during the preparation process to assist in the preparation process. However, during the heating and drying process, the heating range is uneven and small, so the efficiency of the drying work slows down, thus affecting the production efficiency. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a novel vacuum dryer for 4-trifluoromethylnicotinic acid, which realizes increasing the heating area to uniformly carry out the heating and drying treatment work, thereby increasing the work efficiency and the production efficiency.

[0004] Its technical solution is as follows: A novel vacuum dryer for 4-trifluoromethylnicotinic acid includes a support seat, a drying tank is axially connected inside the support seat, and sealing covers are threadedly connected to both the upper and lower ends of the drying tank; a flipping motor is bolted to the right side of the outer wall of the support seat, and the output shaft of the flipping motor is inlaid with the drying tank; a uniform heating treatment seat structure is connected to the left side of the support seat; a PLC is bolted to the lower left part of the outer wall of the support seat and is electrically connected to the flipping motor. It is characterized in that the uniform heating treatment seat structure includes a connecting pipe, an installation disk is welded to the left side of the outer wall of the connecting pipe; a distribution head is bolted to the left end of the installation disk; assembly heads are welded to both the upper and lower ends of the distribution head; the right end of the connecting pipe is connected to a uniform heating flow plate structure.

[0005] Preferably, the connecting pipe is inlaid in the shaft at the left end of the drying tank through a sealing bearing, and at the same time, the installation disk on the outer wall is bolted to the support seat.

[0006] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0007] In the utility model, the connecting pipe, the distribution head and the assembly head are provided to facilitate the connection of the pipes for injecting and recovering steam for the transportation and use of steam.

[0008] In the utility model, the installation disk is provided to cooperate with the connecting pipe for support and use. Description of the Drawings

[0009] Figure 1 It is the structural schematic diagram of the utility model.

[0010] Figure 2It is a schematic structural diagram of the uniform heating treatment seat structure of the present utility model.

[0011] Figure 3 It is a schematic structural diagram of the uniform heating flow plate structure of the present utility model.

[0012] In the figure:

[0013] 1. Support seat; 2. Drying tank; 3. Sealing cover; 4. Tipping motor; 5. Uniform heating treatment seat structure; 51. Connecting pipe; 52. Mounting plate; 53. Sub-packaging head; 54. Assembly head; 55. Uniform heating flow plate structure; 551. Circulation box; 552. First assembly pipe; 553. Baffle plate; 554. Second assembly pipe; 6. PLC. Specific embodiments

[0014] The following further describes the present utility model with reference to the accompanying drawings:

[0015] Embodiment:

[0016] As shown in the atta Figure 1 ched drawings, a novel vacuum dryer for 4-trifluoromethylnicotinic acid includes a support seat 1, a drying tank 2 is axially connected to the inside of the support seat 1, and sealing covers 3 are screwed to both the upper and lower ends of the drying tank 2; a tipping motor 4 is bolted to the right side of the outer wall of the support seat 1, and the output shaft of the tipping motor 4 is embedded in the drying tank 2; a uniform heating treatment seat structure 5 is connected to the left side of the support seat 1; a PLC 6 is bolted to the lower left part of the outer wall of the support seat 1 and is electrically connected to the tipping motor 4.

[0017] As shown in the atta Figure 2 ched drawings, in the above embodiment, specifically, the uniform heating treatment seat structure 5 includes a connecting pipe 51, and a mounting plate 52 is welded to the left side of the outer wall of the connecting pipe 51; a sub-packaging head 53 is bolted to the left end of the mounting plate 52; assembly heads 54 are welded to both the upper and lower ends of the sub-packaging head 53; the right end of the connecting pipe 51 is connected to a uniform heating flow plate structure 55.

[0018] As shown in the atta Figure 3 ched drawings, in the above embodiment, specifically, the uniform heating flow plate structure 55 includes a circulation box 551, a first assembly pipe 552 is bolted to the right end of the circulation box 551; a second assembly pipe 554 is bolted to the left end of the circulation box 551; baffle plates 553 are bolted to both the upper and lower parts of the inner wall of the circulation box 551; pipes for conveying steam and pipes for recovering steam are connected to the front and rear ends of the sub-packaging head 53, so that steam is injected into the circulation box 551 through the sub-packaging head 53 and the bottom of the connecting pipe 51 and flows in the baffle plates 553.

[0019] In the above embodiments, specifically, the connecting pipe 51 is embedded in the shaft at the left end of the drying tank 2 through a sealed bearing, and at the same time, the mounting plate 52 on the outer wall is bolted to the support base 1.

[0020] In the above embodiments, specifically, a partition is welded in the middle of the internal parts of the dispensing head 53 and the connecting pipe 51 to divide the internal space for use.

[0021] In the above embodiments, specifically, a plurality of assembling heads 54 are provided, and they are all connected to the upper and lower spaces inside the dispensing head 53 for steam flow.

[0022] In the above embodiments, specifically, a plurality of circulation boxes 551 are provided and distributed inside the drying tank 2. The width of the upper and lower parts of the plurality of circulation boxes 551 is three to five centimeters smaller than the width of the front and back of the drying tank 2, which is convenient for the drying tank 2 to be flipped outside the circulation boxes 551 for use.

[0023] In the above embodiments, specifically, the second assembling pipes 554 are welded to the upper and lower sides at the right end of the connecting pipe 51 respectively and are respectively connected to the inside of the circulation boxes 551. This increases the heating and drying area, thereby increasing the drying effect and efficiency, and also increasing the overall preparation efficiency.

[0024] Working principle

[0025] The working principle of the present utility model: During the preparation of 4-trifluoromethylnicotinic acid, when heating and drying the materials, the sealing cover 3 is opened to inject materials into the drying tank 2 and then closed. After sealing, the drying tank 2 is connected to a vacuum machine for vacuum treatment. After completion, the flipping motor 4 is driven to drive the drying tank 2 to flip. During the flipping process, the front and rear ends of the dispensing head 53 are connected to the pipes for conveying steam and the pipes for recovering steam. In this way, steam is injected into the circulation boxes 551 through the bottom of the dispensing head 53 and the connecting pipe 51 and flows in the baffle 553, and then flows back to the upper part of the connecting pipe 51 and the dispensing head 53 for discharge and recovery under the cooperation of the second assembling pipe 554 and the first assembling pipe 552. In this way, the drying work can be carried out by heating inside the drying tank 2.

[0026] Using the technical solutions of the present utility model, or those skilled in the art being inspired by the technical solutions of the present utility model to design similar technical solutions and achieving the above technical effects shall all fall within the protection scope of the present utility model.

Claims

1. A novel vacuum dryer for 4-trifluoromethylnicotinic acid, comprising a support base (1), wherein a drying tank (2) is axially connected to the inner side of the support base (1), and sealing covers (3) are threadedly connected to the upper and lower ends of the drying tank (2); a flip motor (4) is bolted to the right side of the outer wall of the support base (1), and the output shaft of the flip motor (4) is embedded and connected to the drying tank (2); a uniform heating treatment seat structure (5) is connected to the left side of the support base (1); a PLC (6) is bolted to the lower left part of the outer wall of the support base (1), and is electrically connected to the flip motor (4), characterized in that: The uniform heating treatment seat structure (5) comprises a connecting pipe (51), a mounting plate (52) is welded to the left side of the outer wall of the connecting pipe (51); a sub-assembly head (53) is bolted to the left end of the mounting plate (52); assembly heads (54) are welded to the upper and lower ends of the sub-assembly head (53); and a uniform heating flow plate structure (55) is connected to the right end of the connecting pipe (51).

2. The novel vacuum dryer for 4-trifluoromethylnicotinic acid according to claim 1, characterized in that: The uniformly heated flow plate structure (55) comprises a circulation box (551), the right end of the circulation box (551) is bolted to a first assembly tube (552); the left end of the circulation box (551) is bolted to a second assembly tube (554); and the upper and lower parts of the inner wall of the circulation box (551) are both bolted to a blocking plate (553).

3. The novel vacuum dryer for 4-trifluoromethylnicotinic acid according to claim 1, characterized in that: The connecting pipe (51) is embedded in the shaft at the left end of the drying tank (2) through a sealed bearing, and the mounting plate (52) on the outer wall is bolted to the support seat (1).

4. The novel vacuum dryer for 4-trifluoromethylnicotinic acid according to claim 1, characterized in that: A partition is welded at the middle part of the dispensing head (53) and the connecting pipe (51) to separate the internal space for use.

5. The novel vacuum dryer for 4-trifluoromethylnicotinic acid according to claim 1, characterized in that: There are multiple assembly heads (54), and all of them are connected to the upper and lower spaces inside the dispensing head (53) for steam flow.

6. The novel vacuum dryer for 4-trifluoromethylnicotinic acid according to claim 2, characterized in that: The circulation boxes (551) are provided in plurality and distributed inside the drying tank (2). The upper and lower widths of the circulation boxes (551) are three to five centimeters smaller than the front and rear widths of the drying tank (2).

Images