CN212383767U

CN212383767U - Collection device of diethyl toluene diamine spent catalyst

Info

Publication number: CN212383767U
Application number: CN201922474213.9U
Authority: CN
Inventors: 李应辉; 张延第; 刘海洋; 卢世博; 任明月; 葛兆伟; 徐庆娜; 田尊茹; 霍绍斌; 张石磊; 侯家振; 申兆辉
Original assignee: Henan Lei Bairui New Mstar Technology Ltd
Current assignee: Henan Lei Bairui New Mstar Technology Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-01-22
Anticipated expiration: 2029-12-31

Abstract

A collection device for a diethyl toluenediamine waste catalyst comprises a box body, a conveying plate and a drying box, wherein a feed port is formed in the upper end of the box body, and a pair of crushing rollers is arranged at the lower end of the feed port; the conveying plate is obliquely installed, the left end of the conveying plate is rotatably installed at the lower end of the box body, the conveying plate penetrates through the drying box, and a material receiving box is arranged at the right end of the conveying plate; the left end and the right end of the drying box are provided with openings, the upper end of the drying box is provided with a plurality of nozzles, the nozzles are connected with an air heater through pipelines, the right end of the drying box is provided with a guide rail, a vertical guide rod is slidably mounted in the guide rail, the upper end of the guide rod is movably connected with the conveying plate, and the lower end of the guide rod is provided with a driving structure for driving the guide rod to reciprocate up and down; the utility model has simple structure, complete functions, reasonable design and convenient use; can be through the crushing complete with the filter cake of a lot of, improve broken quality, make the filter cake bounce aloft at dry in-process, increase and hot-blast area of contact, improve the effect of drying, it is effectual to dry.

Description

Collection device of diethyl toluene diamine spent catalyst

Technical Field

The utility model relates to a diethyl toluene diamine preparation technical field, in particular to collection device of diethyl toluene diamine spent catalyst.

Background

The diethyl toluene diamine is a steric hindrance aromatic diamine chain extender which is developed at the end of the last century along with the development of polyurethane, has low viscosity, no toxicity and no odor, can greatly improve the strength and hydrolysis resistance of a polyurethane product, and is also an important organic synthesis intermediate.

The diethyl toluene diamine is prepared by alkylation reaction of toluene diamine and ethylene under high temperature and high pressure in the presence of catalyst arylamine-aluminum, the reaction mixture contains catalyst arylamine-aluminum and a plurality of arylamine derivatives besides diethyl toluene diamine, and during the production and preparation process of diethyl toluene diamine, a filter press is usually adopted to carry out solid-liquid separation on the deactivated hydrolysis product of diethyl toluene diamine spent catalyst, so that a clean pure diethyl toluene diamine filter cake can be obtained.

However, the existing filter press needs to be crushed and dried before further treatment in the using process,

at present filter press commonly used is when filtering, and the material often appears for tight cake form after the filter-pressing of filter press, and its central part still has more moisture, and the material is under this kind of state, and the unable rethread vacuum filtration of central moisture continues to appear, will cause like this to filter incompletely, consequently still needs the manual work to dry the filter cake after the breakage, and it is direct to throw into the filter cake and dries now in the desiccator, and work efficiency is low.

Therefore, a collection device for the spent catalyst of diethyltoluenediamine is required to solve this problem.

SUMMERY OF THE UTILITY MODEL

To the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a collection device for the spent catalyst of diethyltoluenediamine, which effectively solves the above problems.

The technical proposal for solving the problem is that the utility model comprises a box body, a conveying plate and a drying box, wherein the upper end of the box body is provided with a feed inlet, and the lower end of the feed inlet is provided with a pair of crushing rollers;

the conveying plate is obliquely installed, the left end of the conveying plate is rotatably installed at the lower end of the box body, the conveying plate penetrates through the drying box, and a material receiving box is arranged at the right end of the conveying plate;

both ends are equipped with the opening about on the stoving case, and the upper end of stoving case is equipped with a plurality of nozzles, and the nozzle passes through the pipeline to be connected with the air heater, and the right-hand member of stoving case is equipped with the guide rail, and slidable mounting has vertical guide arm in the guide rail, the upper end and the conveying board swing joint of guide arm, and the lower extreme of guide arm is equipped with drive guide arm reciprocating motion's drive structure from top to bottom.

The utility model has the advantages that: the utility model has simple structure, complete functions, reasonable design and convenient use; can be through the crushing complete with the filter cake of a lot of, improve broken quality, make the filter cake bounce aloft at dry in-process, increase and hot-blast area of contact, improve the effect of drying, it is effectual to dry.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the breaker plate of 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 fig. 1 to 2, the utility model comprises a box body 1, a conveying plate 2 and a drying box 3, wherein the upper end of the box body 1 is provided with a feed inlet 4, the feed inlet 4 is inverted trapezoid, which is convenient for feeding and can prevent materials from spilling, the lower end of the feed inlet 4 is provided with a pair of crushing rollers 5, and the crushing rollers 5 are arranged at the lower side of the feed inlet 4 to crush filter cakes entering the box body 1;

the conveying plate 2 is obliquely installed, the drying box 3 is installed in parallel with the conveying plate 2, so that filter cakes falling on the conveying plate 2 move along the oblique direction of the conveying plate 2, the left end of the conveying plate 2 is rotatably installed at the lower end of the box body 1, namely the conveying plate 2 can horizontally convey the filter cakes falling on the conveying plate 2 after being crushed, the conveying plate 2 penetrates through the drying box 3, the right end of the conveying plate 2 is provided with a material receiving box 6, and when the filter cakes on the conveying belt are thoroughly dried and crushed, the filter cakes are poured into the material receiving box 6 to be collected;

openings are arranged at the left end and the right end of the drying box 3, the width of the inner cavity of the drying box 3 is the same as that of the conveying plate 2, a plurality of nozzles 7 are arranged at the upper end of the drying box 3, the nozzles 7 are connected with an air heater 8 through pipelines, passing filter cakes can be dried, a guide rail 9 is arranged at the right end of the drying box 3, a vertical guide rod 10 is arranged in the guide rail 9 in a sliding manner, the upper end of the guide rod 10 is movably connected with the conveying plate 2, a driving structure for driving the guide rod 10 to reciprocate up and down is arranged at the lower end of the guide rod 10, when the guide rod 10 partially reciprocates, the right end of the conveying plate 2 is driven to reciprocate, the filter cakes placed on the conveying plate 2 can be upwards popped out and fall back to the conveying plate 2, then the filter cakes can be separated from the filter cakes which are still condensed when the conveying plate 2 is contacted again through, the drying effect can be effectively improved.

The driving structure comprises an eccentric wheel 11 arranged on the lower side of the guide rod 10 and a motor driving the eccentric wheel 11 to rotate, the lower end of the guide rod 10 is abutted against the eccentric wheel 11, and the lower end of the guide rod 10 is connected with the eccentric wheel 11 through a roller.

In order to enable the guide rod 10 to move up and down to drive the right end of the conveying plate 2 to rotate up and down, a sliding groove 12 is formed in the right end of the conveying plate 2, and a rolling shaft slidably mounted in the sliding groove 12 is arranged at the upper end of the guide rod 10.

In order to improve the crushing quality of the crushing roller 5, a first screen 13 positioned at the lower side of the crushing roller 5 is arranged in the box body 1, the right end of the first screen 13 inclines downwards, a secondary lifting cavity 14 is also arranged in the box body 1, an inlet at the lower side of the secondary lifting cavity 14 is positioned at the right side of the first screen 13, a screw 15 is arranged in the secondary lifting cavity 14, a material guide channel 16 extending to the upper side of the crushing roller 5 is arranged at an outlet at the upper end of the secondary lifting cavity 14, the left end of the material guide channel 16 inclines downwards, filter cakes with proper sizes fall downwards through the first screen 13, overlarge filter cakes move rightwards due to the inclined angle of the first screen 13, the filter cakes enter the material lifting box through the inlet, after the filter cakes enter the material lifting box, the filter cakes move upwards through the screw 15 and enter the material guide channel 16 when the filter cakes move to the outlet at the right end of the material guide, the filter cake in the material guide channel 16 falls onto the crushing roller 5 for secondary crushing, and the process is repeated until the filter cake is crushed to a proper size, passes through the first screening plate, falls onto the conveying plate 2 for the next process.

The box 1 in be equipped with scraper blade 17, the scraper blade 17 laminating is in the upper end of crushing roller 5, scraper blade 17 is the cusp, can scrape the filter cake of adhesion on crushing roller 5.

The upper end of stoving case 3 be equipped with a plurality of exhaust vents 18, be equipped with the second screen cloth in the air-out accuse, the stoving case 3 can be discharged through exhaust vents 18 to the spun hot-blast in the nozzle 7, and can not spill the stoving case 3 to the filter cake that raises.

The box body 1 is provided with a vibration motor 19, and the vibration motor 19 is arranged near the first screen mesh 13.

Drying box 3 in be equipped with breaker plate 20, breaker plate 20 installs at the open-ended upside, breaker plate 20 includes the cutting knife 21 of horizontal and vertical interval arrangement, when the filter cake on conveying board 2 received the effect of guide arm 10 to the time-up spring, beat on cutting knife 21 on breaker plate 20, the filter cake that the adhesion is in the same place is cut apart by cutting knife 21, can effectual improvement crushing effect and drying effect.

The utility model discloses when using, arrange the discharge gate of pressure filter in feed inlet 4 of box 1 for the filter cake that the pressure filter produced directly gets into box 1 and carries out the breakage, and the filter cake that does not have the bold adhesion after the breakage passes through conveying board 2 through drying box 3 drying, at dry in-process, can further breakage, and after the drying was accomplished, conveying board 2 pours the filter cake after the broken drying was accomplished into in the collecting box and collects.

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

1. A collection device for a diethyl toluenediamine waste catalyst comprises a box body (1), a conveying plate (2) and a drying box (3), and is characterized in that a feed inlet (4) is formed in the upper end of the box body (1), and a pair of crushing rollers (5) is arranged at the lower end of the feed inlet (4); the conveying plate (2) is obliquely installed, the left end of the conveying plate (2) is rotatably installed at the lower end of the box body (1), the conveying plate (2) penetrates through the drying box (3), and the right end of the conveying plate (2) is provided with a material receiving box (6); both ends are equipped with the opening about on stoving case (3), the upper end of stoving case (3) is equipped with a plurality of nozzles (7), nozzle (7) are connected with air heater (8) through the pipeline, the right-hand member of stoving case (3) is equipped with guide rail (9), slidable mounting has vertical guide arm (10) in guide rail (9), the upper end and conveying board (2) swing joint of guide arm (10), the lower extreme of guide arm (10) is equipped with drive guide arm (10) reciprocating motion's drive structure from top to bottom.

2. A collecting device of spent diethyl toluenediamine catalysts according to claim 1, wherein the driving mechanism comprises an eccentric (11) disposed at the lower side of the guide rod (10) and a motor for driving the eccentric (11) to rotate, and the lower end of the guide rod (10) is supported on the eccentric (11).

3. A collecting device of spent diethyl toluenediamine catalysts according to claim 1, wherein the right end of the transfer plate (2) is provided with a chute (12), and the upper end of the guide rod (10) is provided with a roller slidably mounted in the chute (12).

4. A collection device for waste catalyst of diethyl toluene diamine as defined in claim 1, wherein the box body (1) is provided with a first screen (13) at the lower side of the crushing roller (5), the right end of the first screen (13) is inclined downwards, the box body (1) is further provided with a secondary lifting chamber (14), the inlet at the lower side of the secondary lifting chamber (14) is positioned at the right side of the first screen (13), the secondary lifting chamber (14) is provided with a screw (15), the outlet at the upper end of the secondary lifting chamber (14) is provided with a material guide channel (16) extending to the upper side of the crushing roller (5), and the left end of the material guide channel (16) is inclined downwards.

5. A collecting device of spent diethyl toluenediamine catalysts as claimed in claim 1, wherein the box (1) is provided with a scraper (17), the scraper (17) is attached to the upper end of the crushing roller (5), and the scraper (17) is toothed.

6. The collecting device of the spent diethyl toluenediamine catalyst as claimed in claim 1, wherein the drying box (3) is provided with a plurality of air outlets (18) at the upper end thereof, and a second screen is arranged in the air outlet.

7. A collecting device of spent diethyl toluenediamine catalysts according to claim 1, wherein the box (1) is provided with a vibration motor (19).

8. A collecting device of spent diethyl toluenediamine catalysts according to claim 1, wherein the drying box (3) is provided with a breaker plate (20), the breaker plate (20) is installed on the upper side of the opening, and the breaker plate (20) comprises cutting knives (21) arranged at intervals in the transverse and longitudinal directions.