Desolventizing kettle for processing N, N-dimethylacrylamide

Abstract

The utility model provides a desolventizing kettle for processing N, N-dimethylacrylamide, which comprises a desolventizing kettle body, a driving motor is fixedly arranged at the outer top end of the desolventizing kettle body by matching with a bracket, and the output end of the driving motor is connected with a stirring rod I extending into the middle part in the desolventizing kettle body; the outer surface of the top of the first stirring rod is fixedly sleeved with a meshing gear, and the outer side of the meshing gear is provided with a plurality of auxiliary meshing gears in a meshing mode. Compared with the prior art, the desolventizing kettle has the following beneficial effects that the stirring blades II on the stirring rod II stir materials in the desolventizing kettle body, the stirring range is enlarged, so that the stirring efficiency is improved, the stirring blades II and the stirring blades I uniformly mix the periphery of the inner wall of the desolventizing kettle body and the middle of the inner part of the desolventizing kettle body, the uniform stirring effect is achieved, and the stirring efficiency is improved. A simple communication effect is adopted for stirring, all blades can rotate, and the stirring blade I and the stirring blade II are designed and do not interfere with each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to a desolventizing kettle for N, N-dimethyl acrylamide processing belongs to the desolventizing field. BACKGROUND

[0002] N, N-dimethyl acrylamide, English name is N, N-dimethyl acrylamide, CAS registration number is 2680-03-7, molecular formula is C5H9NO, molecular weight is 99.1311, colorless transparent liquid, is used for fiber modification and can improve the hygroscopicity, dyeing property and hand feeling of acrylic fiber etc.. The product can generate high degree of polymerization polymer, and can be copolymerized with acrylic monomer, styrene, vinyl acetate etc., and the polymer or additive has excellent hygroscopicity, antistatic property, dispersibility, compatibility, protective stability, adhesion etc., and has wide application.

[0003] Desolventizing refers to the phenomenon that solute atoms are segregated and new phases are precipitated in supersaturated solid solution. In the production of N, N-dimethyl acrylamide, a desolventizing kettle is used. However, the existing desolventizing kettle has single stirring mechanism and single material flow trajectory in the desolventizing kettle, and the stirring effect is not ideal, which affects the desolventizing efficiency. Therefore, the existing desolventizing kettle needs to be improved, and thus the present application provides a desolventizing kettle for N, N-dimethyl acrylamide processing. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a desolventizing kettle for N, N-dimethyl acrylamide processing.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme:

[0006] A desolventizing kettle for N, N-dimethyl acrylamide processing, comprising a desolventizing kettle body, a driving motor is fixedly arranged at the outer top end of the desolventizing kettle body through a support, the output end of the driving motor is connected with a stirring rod one extending into the middle part of the desolventizing kettle body, a meshing gear is fixedly sleeved on the outer surface of the top part of the stirring rod one, a plurality of secondary meshing gears are meshingly arranged on the outer side of the meshing gear, a stirring rod two is fixedly arranged at the middle part of the bottom end of the secondary meshing gear and penetrates into the inside of the desolventizing kettle body, a plurality of stirring blades one are uniformly arranged on the stirring rod one, a plurality of stirring blades two are uniformly arranged on the stirring rod two, a conical gear is fixedly sleeved on the outer surface of the stirring rod one and located below the meshing gear, and a reciprocating up-down assembly is meshingly arranged on the conical gear.

[0007] Further, an outer surface of the stirring rod one is sleeved with a bearing one, the bearing one is fixed in the middle of the top end of the desolventizing kettle body, outer surfaces of the stirring rod twos are each sleeved with a bearing two, and the bearing two is fixed at the edge of the top end of the desolventizing kettle body.

[0008] Further, the reciprocating up-down assembly comprises a plurality of secondary bevel gears engaged with the bevel gear, the secondary bevel gears are fixed with rotating rods at the middle shaft of an end surface away from the bevel gear, and the other ends of the rotating rods are connected with up-down pieces.

[0009] Further, the up-down pieces comprise rotating discs fixed at the other ends of the rotating rods, eccentric rods are fixed at the eccentric middle shaft of the other end surface of the rotating discs, the eccentric rods are sleeved with sliding plates, sliding grooves are formed in the sliding plates, and the end portions of the eccentric rods are inserted into the sliding grooves.

[0010] Further, the bottom end of the sliding plate is fixed with a moving rod, the number of the stirring rod twos is multiple, and the stirring rod twos are annularly arranged outside the stirring rod one, the moving rod is located between the stirring rod twos and the stirring rod one, and the moving rod is provided with a turning plate.

[0011] Further, the turning plate is arranged in an inclined mode, the rotating rod is provided with a supporting assembly, the supporting assembly comprises a bearing three sleeved on the rotating rod, and a supporting rod is fixed between the outer ring of the bearing three and the outer top end of the desolventizing kettle body.

[0012] Further, a feeding bin is arranged on the top end of the desolventizing kettle body, and a discharging pipeline is arranged at the bottom end of the desolventizing kettle body.

[0013] Further, a sleeve is fixed at the outer top end of the desolventizing kettle body, the moving rod penetrates through the sleeve and extends into the desolventizing kettle body, supporting legs are uniformly arranged at the bottom end of the desolventizing kettle body, and a scraper is arranged at the bottom of the stirring rod one.

[0014] The desolventizing kettle body has the advantages that:

[0015] The driving motor drives the stirring rod one to rotate, the stirring rod one drives the stirring blade one to stir the materials in the desolventizing kettle body, the rotation of the stirring rod one drives the meshing gear to rotate, the meshing gear drives the plurality of secondary meshing gears to synchronously rotate, the secondary meshing gears are connected with the stirring rod twos, the stirring blade twos on the stirring rod twos stir the materials in the desolventizing kettle body, the stirring range is enlarged, the stirring efficiency is improved, the stirring blade twos and the stirring blade one uniformly mix the materials around the inner wall of the desolventizing kettle body and at the middle portion in the desolventizing kettle body, and uniform stirring effect is obtained, the stirring is realized in a simple and continuous mode, all the blades can rotate, and the stirring blade one and the stirring blade two do not interfere with each other. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following embodiments are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 A front view of the desolventizing kettle for processing N,N-dimethyl acrylamide is shown;

[0018] Figure 2 A reciprocating upper and lower assembly schematic diagram of the desolventizing kettle for processing N,N-dimethyl acrylamide is shown;

[0019] Figure 3 A stirring rod one and stirring rod two schematic diagram of the desolventizing kettle for processing N,N-dimethyl acrylamide is shown;

[0020] Figure 4 A flap schematic diagram of the desolventizing kettle for processing N,N-dimethyl acrylamide is shown.

[0021] In the figure: 1, desolventizing kettle body; 2, driving motor; 3, stirring rod one; 4, meshing gear; 5, secondary meshing gear; 6, stirring rod two; 7, stirring blade one; 8, stirring blade two; 9, bevel gear; 10, bearing one; 11, bearing two; 12, secondary bevel gear; 13, rotating rod; 14, rotating disc; 15, eccentric rod; 16, sliding plate; 17, sliding groove; 18, movement rod; 19, flap; 20, bearing three; 21, support rod; 22, charging bin opening; 23, sleeve; 24, scraper. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a desolventizing kettle for N, N-dimethyl acrylamide processing, including desolventizing kettle body 1, the desolventizing kettle body 1 outer top end cooperation support fixedly is equipped with drive motor 2, the output of drive motor 2 is connected with the stirring rod one 3 of extending into the middle part of desolventizing kettle body 1, the outer surface of stirring rod one 3 top portion is fixedly covered with meshing gear 4, the outer side of meshing gear 4 is equipped with a plurality of auxiliary meshing gear 5, the bottom middle part of auxiliary meshing gear 5 is fixedly equipped with the stirring rod two 6 of passing into the inside of desolventizing kettle body 1, stirring vane one 7 is uniformly arranged on stirring rod one 3, stirring vane two 8 is uniformly arranged on stirring rod two 6, the outer surface of stirring rod one 3 still fixedly covers and is equipped with the bevel gear 9 of being located below meshing gear 4, and the reciprocating up-down component is equipped on the meshing of bevel gear 9.

[0024] Reference Figures 1-2 The outer surface of stirring rod one 3 covers an axle bearing one 10, the axle bearing one 10 is fixed in the middle part of the top end of desolventizing kettle body 1, the outer surface of stirring rod two 6 is uniformly covered with an axle bearing two 11, the axle bearing two 11 is fixed at the top end edge of desolventizing kettle body 1, and the design of axle bearing guarantees the stability of the rotation of corresponding components.

[0025] Reference Figures 1-4The reciprocating up-down assembly comprises a plurality of sub-conical gears 12 engaging the conical gear 9, a rotating rod 13 fixed in the middle shaft of one end of the sub-conical gear 12 away from the conical gear 9, an up-down piece connected to the other end of the rotating rod 13, a rotating disc 14 fixed at the other end of the rotating rod 13, an eccentric rod 15 fixed at the other end surface of the rotating disc 14, a sliding plate 16 sleeved with the eccentric rod 15, a sliding groove 17 formed in the sliding plate 16, the end of the eccentric rod 15 inserted into the sliding groove 17, a moving rod 18 fixed at the bottom middle of the sliding plate 16, a plurality of the stirring rod two 6 arranged in a ring around the outer side of the stirring rod one 3, the moving rod 18 located between the stirring rod two 6 and the stirring rod one 3, and a flap 19 arranged on the moving rod 18, the flap 19 arranged in an inclined manner, a supporting assembly arranged on the rotating rod 13, the supporting assembly comprising a bearing three 20 sleeved on the rotating rod 13, and a supporting rod 21 fixed between the outer ring of the bearing three 20 and the outer top end of the desolventizing kettle body 1.

[0026] Referring to Figures 2-3 The desolventizing kettle body 1 is provided with a feeding bin opening 22 at the top end, and is provided with a discharging pipeline at the bottom end. The outer top end of the desolventizing kettle body 1 is fixedly provided with a sleeve 23, the moving rod 18 penetrates through the sleeve 23 and extends into the desolventizing kettle body 1, and the bottom end of the desolventizing kettle body 1 is uniformly provided with supporting legs. The bottom of the stirring rod one 3 is provided with a scraper 24. The feeding bin opening 22 and the discharging pipeline are designed for feeding and discharging, and are existing components. The moving rod 18 penetrates through the sleeve 23 and enters the desolventizing kettle body 1, so that the moving rod 18 moves stably in the sleeve 23, thereby stably pulling the moving rod 18 to move. The scraper 24 scrapes the inner wall.

[0027] In specific work, the driving motor 2 is designed to drive the stirring rod 3 to rotate, the stirring rod 3 drives the stirring blade 7 to stir the material in the desolventizing kettle body 1, the stirring rod 3 drives the meshing gear 4 to rotate, the meshing gear 4 drives the plurality of secondary meshing gears 5 to rotate synchronously, the secondary meshing gears 5 are connected with the stirring rod 6, the stirring blade 8 on the stirring rod 6 stirs the material in the desolventizing kettle body 1, the stirring range is increased, and the stirring efficiency is improved, the stirring blade 8 and the stirring blade 7 uniformly mix the material around the inner wall of the desolventizing kettle body 1 and the middle part in the desolventizing kettle body 1, a uniform stirring effect is obtained, the stirring is realized in a simple communication mode, all the blades can rotate, and the stirring blade 7 and the stirring blade 8 do not interfere with each other.

[0028] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A desolventizing kettle for N,N-dimethylacrylamide processing, characterized by: Including the desolventizing kettle body (1), the desolventizing kettle body (1) outside top end cooperation support fixedly is equipped with drive motor (2), the output of drive motor (2) is connected with the stirring rod one (3) that extends into the middle part of desolventizing kettle body (1), the stirring rod one (3) top surface fixedly is equipped with the meshing gear (4), the outer side of meshing gear (4) is equipped with multiple sub meshing gear (5), the bottom of sub meshing gear (5) middle part is fixedly equipped with the stirring rod two (6) that passes into the inside of desolventizing kettle body (1), the stirring rod one (3) is uniformly arranged with stirring vane one (7), the stirring rod two (6) is uniformly arranged with stirring vane two (8), the stirring rod one (3) outer surface is still fixedly equipped with the bevel gear (9) that is located below meshing gear (4), the bevel gear (9) is equipped with reciprocating up-down assembly on meshing.

2. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 1, characterized in that: The outer surface of the stirring rod one (3) is sleeved with a bearing one (10), the bearing one (10) is fixed in the middle part of the top end of the desolventizing kettle body (1), the outer surface of the stirring rod two (6) is sleeved with a bearing two (11), the bearing two (11) is fixed at the top end edge of the desolventizing kettle body (1).

3. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 2, characterized in that: The reciprocating up-down assembly comprises a plurality of sub-bevel gears (12) engaged with the bevel gear (9), one end of the sub-bevel gear (12) away from the bevel gear (9) is fixedly provided with a rotating rod (13), the other end of the rotating rod (13) is connected with an up-down piece.

4. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 3, characterized in that: The up-down piece comprises a rotating disc (14) fixedly connected to the other end of the rotating rod (13), an eccentric rod (15) is fixedly provided at the eccentric shaft of the other end surface of the rotating disc (14), the eccentric rod (15) is sleeved with a sliding plate (16), the sliding plate (16) is provided with a sliding groove (17), and the end of the eccentric rod (15) is inserted into the sliding groove (17).

5. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 4, characterized in that: The bottom of the sliding plate (16) is fixedly provided with a moving rod (18), the number of the stirring rod two (6) is multiple, and the stirring rod two (6) is annularly arranged outside the stirring rod one (3), the moving rod (18) is located between the stirring rod two (6) and the stirring rod one (3), and the moving rod (18) is provided with a flap (19).

6. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 5, characterized in that: The flap (19) is arranged in an inclined manner, the rotating rod (13) is provided with a supporting assembly, and the supporting assembly comprises a bearing three (20) sleeved on the rotating rod (13).

7. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 6, characterized in that: A feeding port (22) is arranged at the top end of the desolventizing kettle body (1), and a discharging pipeline is arranged at the bottom end of the desolventizing kettle body (1).

8. The desolventizing kettle for N,N-dimethylacrylamide processing according to claim 7, characterized in that: A sleeve (23) is fixedly arranged at the top end of the desolventizing kettle body (1), the moving rod (18) penetrates through the sleeve (23) and extends into the desolventizing kettle body (1), the bottom end of the desolventizing kettle body (1) is uniformly provided with supporting legs, and the bottom of the stirring rod one (3) is provided with a scraper (24).

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