A kind of agitating device of diethyl toluene diamine reaction kettle
Technical field
The utility model is related to reaction kettle stirring technique field, specially a kind of stirring of diethyl toluene diamine reaction kettle
Device.
Background technology
Diethyl toluene diamine (DETDA) is the development with polyurethane, industrializes the beginning of the eighties and largely uses
A kind of steric hindrance aromatic diamine chain stretching agent is low viscosity, nontoxic, tasteless liquid.For in polyurethane, can improve product strength and
Hydrolytic resistance greatly improves production of articles rate, and makes it possible that large scale, complicated polyurethane product industrialize.
The reaction kettle for being conventionally used to synthesis diethyl toluene diamine includes autoclave body, agitating device and heat-exchanger rig, be provided on autoclave body into
Material mouth and discharge port, inlet port and outlet port are connected with the cavity of autoclave body, and traditional agitating device is all at the bottom of autoclave body
Portion adds agitating paddle, and the material stirring of bottom is often not enough in this way, affects the quality of stirring.
Utility model content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of agitating device of diethyl toluene diamine reaction kettle
The problem of being proposed in background technology.
To achieve the above object, the utility model provides following technical solution:A kind of diethyl toluene diamine reaction kettle
Agitating device, including cylinder, the upper surface of the cylinder is fixedly connected with fixed plate, and the upper surface of the fixed plate is fixedly connected
There is seal closure, the upper surface of the seal closure is fixedly connected with motor, and the output terminal of the motor is fixedly connected with the first center
Axis, first central shaft extend to inside through seal closure, and the upper surface of the cylinder offers opening, first center
The lower end of axis is rotatablely connected through the madial wall of fixed plate and opening, and the madial wall of the opening is fixedly connected with mechanical shaft seal,
The upper surface right end of the cylinder is fixedly connected with inlet tube, and the lower end of the inlet tube is connected with the inner cavity of cylinder, described
The upper end lateral wall of inlet tube is hinged with pipe cap, and the madial wall of the cylinder, which spirals, coil pipe, the outside of first central shaft
Wall is fixedly connected with arc shutter, and the lower end of first central shaft is fixedly connected with fixed block, the left and right of the fixed block
Both ends are fixedly connected with supporting rod, and the supporting rod is located at the lower end of arc shutter, and the outboard end of the supporting rod, which is fixed, to be connected
It is connected to propeller, two twisted stir paddles spiral distribution, and the lower end of the propeller is fixedly connected with stirring
Seat, the lower end of the stirring seat are fixedly connected with the second central shaft, the lower end of the cylinder open up it is fluted, the groove it is interior
Sidewall upper is fixedly connected with bottom axis, and lower end and the bottom axis of second central shaft are rotatablely connected, the lower end of the cylinder
Outlet is fixedly connected with, the upper end of the outlet is connected with the inner cavity of cylinder, and the lower surface right end of the cylinder is fixed
It is connected with heating tube.
Preferably, first central shaft is corresponding with the position of the second central shaft.
Preferably, the stirring seat lower surface is arc-shaped, the lower surface of the stirring seat and the lower surface radian phase of cylinder
Together.
Preferably, the junction of the pipe cap and inlet tube is fixedly connected with sealing ring.
Compared with prior art, the beneficial effects of the utility model are:A kind of stirring of diethyl toluene diamine reaction kettle
Device by the mating connection of the first central shaft and propeller, can be stirred, auger with reactant and catalyst
Slurry is rotated reactant and catalyst scroll-up/down, and reactant is made to be stirred with catalyst evenly, by propeller with stirring
The mating connection of seat is mixed, the reactant in stirring seat is made to be transferred on propeller, reactant is made to be stirred with catalyst,
Accelerate contact of the reactant with catalyst, make reaction more rapidly, by the mating connection of arc shutter and the first central shaft, prevent
Only in stirring, because rotary force crosses senior general, it is rolled reactant twisted stir paddle, this adaptation new structure is simple, can make reaction
Object stirs evenly with catalyst, and reaction is rapider, increases mixing quality.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure:1 cylinder, 2 fixed plates, 3 seal closures, 4 motors, 5 first central shafts, 6 openings, 7 mechanical shaft seals, 8 inlet tubes,
9 pipe caps, 10 coil pipes, 11 arc shutters, 12 fixed blocks, 13 supporting rods, 14 twisted stir paddles, 15 stirring seats, 16 grooves, 17 kettles
Lower shaft, 18 outlets, 19 heating tubes, 20 sealing rings, 21 grooves.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution:A kind of stirring dress of diethyl toluene diamine reaction kettle
It puts, including cylinder 1, the upper surface of the cylinder 1 is fixedly connected with fixed plate 2, and the upper surface of the fixed plate 2 is fixedly connected with
Seal closure 3, the upper surface of the seal closure 3 are fixedly connected with motor 4, and the output terminal of the motor 4 is fixedly connected in first
Mandrel 5, first central shaft 5 extend to inside through seal closure 3, and the upper surface of the cylinder 1 offers opening 6, described
The lower end of first central shaft 5 is rotatablely connected through fixed plate 2 and the madial wall of opening 6, and the madial wall of the opening 6 is fixedly connected
There is mechanical shaft seal 7, the upper surface right end of the cylinder 1 is fixedly connected with inlet tube 8, lower end and the cylinder 1 of the inlet tube 8
Inner cavity is connected, and the upper end lateral wall of the inlet tube 8 is hinged with pipe cap 9, and the madial wall of the cylinder 1 spirals and has coil pipe 10,
The lateral wall of first central shaft 5 is fixedly connected with arc shutter 11, and the lower end of first central shaft 5 is fixedly connected with
Fixed block 12, the left and right ends of the fixed block 12 are fixedly connected with supporting rod 13, and the supporting rod 13 is located at arc shutter
11 lower end, the outboard end of the supporting rod 13 are fixedly connected with propeller 14, and two twisted stir paddles 14 spiral
Distribution, the lower end of the propeller 14 are fixedly connected with stirring seat 15, and the lower end of the stirring seat 15 is fixedly connected with the
Two central shafts 16, the lower end of the cylinder 1 open up fluted 21, and the madial wall upper end of the groove 21 is fixedly connected with bottom axis
17, lower end and the bottom axis 17 of second central shaft 16 are rotatablely connected, and the lower end of the cylinder 1 is fixedly connected with outlet
18, the upper end of the outlet 18 is connected with the inner cavity of cylinder 1, and the lower surface right end of the cylinder 1 is fixedly connected with heating
Pipe 19 by the first central shaft 5 and the mating connection of propeller 14, can be stirred, spiral with reactant and catalyst
Stirring slurry 14 is rotated reactant and catalyst scroll-up/down, and reactant is made to be stirred evenly with catalyst, passes through auger
The mating connection of paddle 14 and stirring seat 15, makes the reactant in stirring seat 15 be transferred on propeller 14, make reactant with
Catalyst is stirred, and is accelerated contact of the reactant with catalyst, is made reaction more rapidly, by arc shutter 11 and first
The mating connection of mandrel 5, preventing twisted stir paddle 14, because rotary force crosses senior general, it is rolled reactant, this adapts to new in stirring
Type is simple in structure, reactant can be made to be stirred evenly with catalyst, reaction is rapider, increases mixing quality.
Specifically, first central shaft 5 is corresponding with the position of the second central shaft 16, in order to realize 4 energy band of motor
Dynamic propeller 14 and stirring seat 15 rotate.
Specifically, 15 lower surface of stirring seat is arc-shaped, the lower surface of the stirring seat 15 and the lower surface of cylinder 1
Radian is identical, in order to which the reactant of the bottom of cylinder 1 and catalyst is enable adequately to be stirred, part range is avoided to stir
It is obstructed.
Specifically, the junction of the pipe cap 9 and inlet tube 8 is fixedly connected with sealing ring 20, in order to make cylinder 1 into
Row closing, makes it be isolated from the outside world, avoids that accident occurs.
Operation principle:The catalyst by reactant and centainly measured is put by inlet tube 8 in cylinder 1, then will pipe
Cap 9 covers inlet tube 8, makes its closing, then temperature-pressure, and motor 4 starts, and the first central shaft 5 drives 14 turns of propeller
Dynamic, propeller 14 drives stirring seat 15 to rotate, and makes reactant and catalyst while agitating, reactant and catalyst can
It is moved upwards with the rotation by twisted stir paddle 14, reactant carries out auger with catalyst, makes reactant and catalyst
Contact area increase, and then accelerate stirring speed, make its reaction rapider, can prevent from reacting by arc shutter 11
Object rises too high with catalyst, the less collision to cylinder 1, plays the role of blocking, saves the plenty of time in this way.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.