CN211988536U - Stirring device of diethyl toluene diamine reaction kettle - Google Patents
Stirring device of diethyl toluene diamine reaction kettle Download PDFInfo
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- CN211988536U CN211988536U CN201922474272.6U CN201922474272U CN211988536U CN 211988536 U CN211988536 U CN 211988536U CN 201922474272 U CN201922474272 U CN 201922474272U CN 211988536 U CN211988536 U CN 211988536U
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Abstract
The stirring device of the diethyl toluenediamine reaction kettle effectively solves the problem of insufficient stirring of the kettle body; the kettle comprises a kettle body, wherein a first feeding box, a second feeding box, an air inlet and an air outlet are arranged on the kettle body, a feeding hole is formed in the upper end of the first feeding box, a feeding cavity extending into the kettle body is formed in the lower end of the first feeding box, a feeding screw rod extending into the first feeding box is arranged in the feeding cavity, a detachable sealing cover is arranged on the feeding hole, the second feeding box and the first feeding box are identical in structure, the positions of the first feeding box and the second feeding box are symmetrical about the central axis of the kettle body, vent valves are arranged on the air inlet and the air outlet, and a discharging hole is formed in the lower end of the kettle body; the utility model discloses the structure is ingenious, thinks about the novelty, makes reactant and catalyst stirring more even through agitator disk, main (mixing) shaft and vice (mixing) shaft for the contact of reactant and catalyst has increased area of contact between them, makes the reaction quicker, has increased stirring quality, saves time, has improved work efficiency.
Description
Technical Field
The utility model relates to an aromatic amine's alkylation technical field, in particular to diethyl toluene diamine reation kettle's agitating unit.
Background
Diethyl toluenediamine, which is abbreviated as DETDA in English and is equivalent to chain extender E-100 of Yabao company in America, is a rapid amine chain extender, is mainly applied to polyurethane and epoxy resin curing agents, can also be used as an antioxidant of a chemical intermediate of an oil product, reaction injection molding in polyurethane and spray polyurea development are rapid along with the popularization and the use of a high-speed rail technology in recent years, and the diethyl toluenediamine is widely applied as an ideal raw material on spray polyurea.
The reaction kettle for synthesizing diethyl toluene diamine traditionally comprises a kettle body, a stirring device and a heat exchange device, wherein a feed inlet and a discharge outlet are arranged on the kettle body, the feed inlet and the discharge outlet are communicated with a cavity of the kettle body, ethane is required to be introduced through a gas inlet and outlet to drive away nitrogen and carry out alkylation reaction, and the traditional stirring device is added at the bottom of the kettle body to form a stirring paddle, so that the stirring of materials at the bottom of the kettle is not sufficient enough, and the quality of stirring is influenced.
Therefore, a stirring apparatus for a diethyltoluenediamine reaction vessel is required to solve this problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defects of the prior art, the utility model aims to provide a stirring device of a diethyl toluene diamine reaction kettle, which effectively solves the problem of insufficient stirring of the kettle body.
The technical scheme that the utility model solves is that, the utility model comprises a kettle body, a first feeding box, a second feeding box, an air inlet and an air outlet are arranged on the kettle body, a feeding port is arranged at the upper end of the first feeding box, a feeding cavity extending into the kettle body is arranged at the lower end of the first feeding box, a feeding screw rod extending into the first feeding box is arranged in the feeding cavity, a detachable sealing cover is arranged on the feeding port, the second feeding box has the same structure with the first feeding box, the positions of the first feeding box and the second feeding box are symmetrical about the central axis of the kettle body, vent valves are arranged on the air inlet and the air outlet, and a discharge port is arranged at the lower end of the kettle body;
a vertical main stirring shaft is arranged in the kettle body, a main stirring blade is arranged on the main stirring shaft, a stirring disc is further arranged on the main stirring shaft, the stirring disc is in an inverted round table shape and is positioned at the lower side of the feeding hole, a plurality of stripe bulges are uniformly distributed on the inner side wall of the stirring disc, a plurality of connecting rods are arranged at the lower end of the stirring disc, the end parts of the connecting rods are fixedly connected with the main stirring shaft, and a rotating motor for driving the main stirring shaft to rotate is arranged at the upper end of the kettle body;
the kettle body is externally provided with a heat preservation layer, and a heating pipe is wound between the heat preservation layer and the kettle body.
The utility model has the advantages that: the utility model discloses the structure is ingenious, thinks about the novelty, makes reactant and catalyst stirring more even through agitator disk, main (mixing) shaft and vice (mixing) shaft for the contact of reactant and catalyst has increased area of contact between them, makes the reaction quicker, has increased stirring quality, saves time, and is easy and simple to handle, and control is accurate, and convenient to use has improved work efficiency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view taken along the direction a-a in fig. 1 according to the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Example (b):
as shown in figures 1 to 2, the utility model comprises a kettle body 1, a first feeding box 2, a second feeding box 3, an air inlet 4 and an air outlet 5 are arranged on the kettle body 1, a feeding port 6 is arranged at the upper end of the first feeding box 2, corresponding raw materials or catalysts are pre-stored in the first feeding box 2 and the second feeding box 3 through the feeding port 6, a feeding cavity 7 extending into the kettle body 1 is arranged at the lower end of the first feeding box 2, a feeding screw 8 extending into the first feeding box 2 is arranged in the feeding cavity 7, a detachable sealing cover 9 is arranged on the feeding port 6, the second feeding box 3 has the same structure as the first feeding box 2, after the raw materials or the catalysts are placed into the first feeding box 2 or the second feeding box 3, the sealing cover 9 is covered, the air pressure and the gas content of the kettle body 1 can be kept unchanged, the raw materials or the catalysts in the first feeding box 2 or the second feeding box 3 can be fed into the kettle body 1 by rotating the feeding screw 8 under the condition that the gas content is unchanged, the positions of the first feeding box 2 and the second feeding box 3 are symmetrical about the central axis of the kettle body 1, motors for driving the feeding screws 8 can be arranged on the first feeding box 2 and the second feeding box 3, vent valves 10 are arranged on the air inlet 4 and the air outlet 5, and a discharge hole 11 is arranged at the lower end of the kettle body 1;
a vertical main stirring shaft 12 is arranged in the kettle body 1, a main stirring blade 13 is arranged on the main stirring shaft 12, the main stirring blade 13 is obliquely arranged on the main stirring shaft 12, a stirring disc 14 is also arranged on the main stirring shaft 12, a circular truncated cone-shaped cavity is arranged in the stirring disc 14, the stirring disc 14 is in an inverted circular truncated cone shape, the stirring disc 14 is positioned at the lower side of the feeding hole 6, materials sent out from the feeding cavity 7 fall into the circular truncated cone-shaped cavity in the stirring disc 14, a plurality of stripe bulges 15 are uniformly distributed on the inner side wall of the stirring disc 14, the falling raw materials and catalysts are subjected to primary stirring and mixing by the rotating stirring disc 14, a plurality of connecting rods 16 are arranged at the lower end of the stirring disc 14, the end parts of the connecting rods 16 are fixedly connected with the main stirring shaft 12, and a rotating motor 17 for driving the main stirring shaft;
and a heat-insulating layer 18 is arranged outside the kettle body 1, and a heating pipe 19 is wound between the heat-insulating layer 18 and the kettle body 1.
In order to improve the stirring effect, a plurality of auxiliary stirring shafts 20 are arranged around the main stirring shaft 12, the auxiliary stirring shafts 20 are rotatably arranged at the bottom end of the kettle body 1, a plurality of auxiliary stirring blades 21 are arranged on the auxiliary stirring shafts 20, and the directions of the auxiliary stirring blades 21 are opposite to the installation direction of the main stirring blades 13.
In order to enable one motor to drive the main stirring shaft 12 and all the auxiliary stirring shafts 20 to rotate, the upper end of each auxiliary stirring shaft 20 is provided with a gear 22, and the stirring disc 14 is provided with an inner toothed ring 23 meshed with the gear 22, so that the main stirring shaft 12 and the auxiliary stirring shafts 20 rotate simultaneously, the number of the motors is reduced, and the cost is reduced.
The main stirring blades 13 and the auxiliary stirring blades 21 are arranged in a staggered mode, and materials can be uniformly stirred.
The air inlet 4 is lower than the air outlet 5, so that the ethylene can be used conveniently to drive the nitrogen out of the kettle body 1.
The material guide plates 24 are arranged in the first feeding box 2 and the second feeding box 3, one side of the material guide plates 24, which is in contact with the feeding screw 8, is lower than the other side of the material guide plates, so that partial materials in the first feeding box 2 and the second feeding box 3 cannot be led out through the material screws and are left at corners of the first feeding box 2 and the second feeding box 3.
The utility model discloses when using, add diaminotoluene and catalyst in to reation kettle through first feeding case 2 and second feeding case 3, heat up reation kettle to 100 ~ 200 ℃ through heating pipe 19, stirring reaction 1 ~ 2h forms "arylamine-aluminium" catalyst system.
Heating the reaction kettle to 200-350 ℃ through a heating pipe 19, opening vent valves 10 on a gas inlet 4 and a gas outlet 5, introducing ethylene into the gas inlet 4, driving away nitrogen in the kettle body 1, discharging the nitrogen through the gas outlet 5, wherein the inflation pressure is 1.0-5.0 MPa, the inflation time is 2.0-5.0 h, the synthesis hardening is finished, then closing the vent valves 10 and opening a discharge port 11, and taking out materials in the kettle body 1 through the discharge port 11.
The utility model has the advantages that: the utility model discloses the structure is ingenious, thinks about the novelty, makes reactant and catalyst stirring more even through agitator disk, main (mixing) shaft and vice (mixing) shaft for the contact of reactant and catalyst has increased area of contact between them, makes the reaction quicker, has increased stirring quality, saves time, and is easy and simple to handle, and control is accurate, and convenient to use has improved work efficiency.
The foregoing detailed description/examples are specific embodiments of the present invention, and are intended to be illustrative of the principles of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include those which make any obvious replacement or modification of the embodiments described herein, and all of which are within the scope of the present invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (6)
1. A stirring device of a diethyltoluenediamine reaction kettle comprises a kettle body (1), and is characterized in that a first feeding box (2) and a second feeding box (3) are arranged on the kettle body (1), the device comprises an air inlet (4) and an air outlet (5), wherein a feed inlet (6) is formed in the upper end of a first feeding box (2), a feeding cavity (7) extending into a kettle body (1) is formed in the lower end of the first feeding box (2), a feeding screw (8) extending into the first feeding box (2) is arranged in the feeding cavity (7), a detachable sealing cover (9) is arranged on the feed inlet (6), the second feeding box (3) and the first feeding box (2) are identical in structure, the positions of the first feeding box (2) and the second feeding box (3) are symmetrical about the central axis of the kettle body (1), vent valves (10) are arranged on the air inlet (4) and the air outlet (5), and a discharge outlet (11) is formed in the lower end of the kettle body (1); a vertical main stirring shaft (12) is arranged in the kettle body (1), a main stirring blade (13) is arranged on the main stirring shaft (12), a stirring disc (14) is further arranged on the main stirring shaft (12), the stirring disc (14) is in an inverted round table shape, the stirring disc (14) is positioned at the lower side of the feeding hole (6), a plurality of stripe bulges (15) are uniformly distributed on the inner side wall of the stirring disc (14), a plurality of connecting rods (16) are arranged at the lower end of the stirring disc (14), the end parts of the connecting rods (16) are fixedly connected with the main stirring shaft (12), and a rotating motor (17) for driving the main stirring shaft (12) to rotate is arranged at the upper end of the kettle body (1); an insulating layer (18) is arranged outside the kettle body (1), and a heating pipe (19) is wound between the insulating layer (18) and the kettle body (1).
2. A stirring device of a diethyltoluenediamine reaction kettle according to claim 1, wherein a plurality of auxiliary stirring shafts (20) are arranged around the main stirring shaft (12), the auxiliary stirring shafts (20) are rotatably installed at the bottom end of the kettle body (1), and a plurality of auxiliary stirring blades (21) are arranged on the auxiliary stirring shafts (20).
3. A stirring apparatus for a diethyltoluenediamine reactor, according to claim 2, wherein the upper end of the auxiliary stirring shaft (20) is provided with a gear (22), and the stirring plate (14) is provided with an inner toothed ring (23) engaged with the gear (22) so that the main stirring shaft (12) and the auxiliary stirring shaft (20) rotate together.
4. A stirring apparatus for a diethyltoluenediamine reactor, according to claim 1, wherein said main stirring vanes (13) and said sub-stirring vanes (21) are staggered.
5. A stirring apparatus for a diethyltoluenediamine reactor, according to claim 1, wherein said gas inlet (4) is lower than said gas outlet (5).
6. A stirring apparatus for a diethyltoluenediamine reactor, according to claim 1, wherein the first feeding box (2) and the second feeding box (3) are both provided with a material guiding plate (24), and the height of one side of the material guiding plate (24) contacting the feeding screw (8) is lower than that of the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474272.6U CN211988536U (en) | 2019-12-31 | 2019-12-31 | Stirring device of diethyl toluene diamine reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922474272.6U CN211988536U (en) | 2019-12-31 | 2019-12-31 | Stirring device of diethyl toluene diamine reaction kettle |
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| CN211988536U true CN211988536U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922474272.6U Active CN211988536U (en) | 2019-12-31 | 2019-12-31 | Stirring device of diethyl toluene diamine reaction kettle |
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| CN (1) | CN211988536U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304696A (en) * | 2021-06-04 | 2021-08-27 | 东营海瑞宝新材料有限公司 | Diethyl toluene diamine synthesis device and synthesis process thereof |
| CN114392661A (en) * | 2022-01-18 | 2022-04-26 | 河南雷佰瑞新材料科技有限公司 | Aromatic amine hydrogenation catalyst regeneration device |
| CN114797277A (en) * | 2021-11-20 | 2022-07-29 | 河南雷佰瑞新材料科技有限公司 | Diethyl toluene diamine solution filtering device |
-
2019
- 2019-12-31 CN CN201922474272.6U patent/CN211988536U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304696A (en) * | 2021-06-04 | 2021-08-27 | 东营海瑞宝新材料有限公司 | Diethyl toluene diamine synthesis device and synthesis process thereof |
| CN114797277A (en) * | 2021-11-20 | 2022-07-29 | 河南雷佰瑞新材料科技有限公司 | Diethyl toluene diamine solution filtering device |
| CN114797277B (en) * | 2021-11-20 | 2023-12-08 | 河南雷佰瑞新材料科技有限公司 | Diethyl toluene diamine solution filtering device |
| CN114392661A (en) * | 2022-01-18 | 2022-04-26 | 河南雷佰瑞新材料科技有限公司 | Aromatic amine hydrogenation catalyst regeneration device |
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