CN209848878U - Continuous separation device of catalyst in hydrogenation reaction - Google Patents

Abstract

The utility model discloses a continuous separator of catalyst among hydrogenation relates to chemical preparation technical field, a continuous separator of catalyst among hydrogenation, including the input tube, the one end fixedly connected with inlet pipe of input tube, and the other end fixedly connected with parallel arrangement's of inlet pipe reactor, one side of inlet pipe is provided with the outlet pipe, one side and the reactor fixed connection of outlet pipe, two the one end fixedly connected with collector tube of reactor is kept away from to the outlet pipe, and the first filter of other end fixedly connected with of collector tube, the one end fixedly connected with parallel arrangement's of inlet pipe inlet tube and conveying pipeline are kept away from to the reactor, the one end regulation that the reactor was kept away from to the inlet tube is connected with the raceway. Utility model simple structure convenient to use through the setting of two reaction boxes, can realize the continuous separation of catalyst under the condition of not shutting down, and then continuous production increases efficiency.

Description

Continuous separation device of catalyst in hydrogenation reaction

Technical Field

The utility model relates to a chemistry preparation technical field especially relates to a continuous separator of catalyst among hydrogenation.

Background

The diaminodiphenyl ether is mainly used for preparing raw materials and cross-linking agents of polyimide resin, polyamide resin and epoxy resin, and can be prepared by condensing p-nitrochlorobenzene, p-nitrophenol and sodium carbonate in a nitrobenzene solution by using potassium chloride as a catalyst and reducing the condensed product by using iron powder in an aqueous medium by using ammonium chloride as a catalyst; the catalyst can also be prepared by condensing p-nitrochlorobenzene, sodium carbonate and sodium nitrite in an organic solvent, removing the solvent and carrying out hydrogenation reduction, however, in the prior art, the catalyst is sometimes carried by raw materials and cannot be well separated, and meanwhile, when the catalyst is cleaned, the machine is required to be stopped, so that the labor and the time are wasted, and the efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a continuous separator of catalyst among hydrogenation has solved the problem that the catalyst need shut down the processing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a continuous separator of catalyst among hydrogenation, includes the input tube, the one end fixedly connected with inlet pipe of input tube, and the reactor of the other end fixedly connected with parallel arrangement of inlet pipe, one side of inlet pipe is provided with the outlet pipe, one side and the reactor fixed connection of outlet pipe, two the one end fixedly connected with collector tube of reactor is kept away from to the outlet pipe, and the first filter of the other end fixedly connected with of collector tube, the one end fixedly connected with parallel arrangement's of inlet pipe inlet tube and conveying pipeline are kept away from to the reactor, the one end regulation that the reactor was kept away from to the inlet tube is connected with the raceway, the one end fixedly connected with second filter of reactor is kept away from to the conveying pipeline, one side fixedly connected with collection material pipe that the conveying pipeline was kept away from to the second filter, and collection.

Preferably, the reactor includes the reaction box with inlet pipe fixed connection, bolt fixedly connected with motor is passed through to the top of reaction box, shaft coupling fixedly connected with rotation axis is passed through to the output of motor, and the outer wall of rotation axis is fixed to be cup jointed the stirring rod, and the stirring rod is located the reaction box, bolt fixedly connected with filter screen is passed through to the both sides of reaction box, the top fixedly connected with filling tube of reaction box.

Preferably, the first filter and the second filter both comprise filter boxes fixedly connected with the liquid collecting pipe and the material conveying pipe respectively, the inner wall of each filter box is fixedly connected with a filter plate through bolts, the lower part of each filter box is fixedly connected with a waste discharge pipe, the upper part of each filter box is fixedly connected with a liquid outlet pipe, and the liquid outlet pipe on the second filter is fixedly connected with the material collecting pipe.

Preferably, one side of the reaction box is fixedly connected with a controller through a bolt, the controller adopts an AFPXLR model controller, and the motor is electrically connected with the controller through an electric wire.

Preferably, the input pipe, the feed pipe, the water outlet pipe, the liquid collecting pipe, the water inlet pipe, the feed delivery pipe, the material collecting pipe, the discharge pipe, the water delivery pipe, the feed pipe, the waste discharge pipe and the liquid outlet pipe are all fixedly connected with electromagnetic valves.

Preferably, all be provided with the through-hole on the filter, the through-hole adopts circular structure.

The utility model has the advantages that:

1. through input tube, inlet pipe, outlet pipe, solenoid valve, motor, filling tube, rotation axis, stirring rod, filter screen, inlet tube, conveying pipeline, discharging pipe, collecting pipe, raceway, reaction box, collecting pipe, the pipe of wasting discharge, rose box, filter and drain pipe, through the setting of two reaction boxes, can realize the continuous separation of catalyst under the condition of not shutting down, and then continuous production increases efficiency.

2. Through input tube, inlet pipe, outlet pipe, solenoid valve, motor, filling tube, rotation axis, stirring rod, filter screen, inlet tube, conveying pipeline, discharging pipe, collecting pipe, raceway, reaction box, collecting pipe, the pipe of wasting discharge, rose box, filter and drain pipe, through retrieving and adjusting the setting that adds again, reduce the loss of catalyst, practice thrift the cost.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is a schematic left sectional view of the reactor of the present invention.

Fig. 3 is a schematic left-side sectional view of the filter of the present invention.

Reference numbers in the figures: 1 input tube, 2 inlet tubes, 3 outlet tubes, 4 electromagnetic valves, 5 motors, 6 feed tubes, 7 rotating shafts, 8 stirring rods, 9 filter screens, 10 water inlet tubes, 11 feed tubes, 12 discharge tubes, 13 material collecting tubes, 14 water delivery tubes, 15 reaction boxes, 16 liquid collecting tubes, 17 waste discharge tubes, 18 filter boxes, 19 filter plates and 20 liquid outlet tubes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a continuous separation device for catalyst in hydrogenation reaction comprises an input pipe 1, one end of the input pipe 1 is fixedly connected with a feed pipe 2, the other end of the feed pipe 2 is fixedly connected with a parallel reactor, one side of the feed pipe 2 is provided with a water outlet pipe 3, one side of the water outlet pipe 3 is fixedly connected with the reactor, one ends of the two water outlet pipes 3 far away from the reactor are fixedly connected with a liquid collecting pipe 16, the other end of the liquid collecting pipe 16 is fixedly connected with a first filter, one end of the reactor far away from the feed pipe 2 is fixedly connected with a water inlet pipe 10 and a feed delivery pipe 11 which are arranged in parallel, one end of the water inlet pipe 10 far away from the reactor is regularly connected with a water delivery pipe 14, one end of the feed delivery pipe 11 far away from the reactor is fixedly connected with a second filter, one side of the second, the reactor comprises a reaction box 15 fixedly connected with a feeding pipe 2, a motor 5 is fixedly connected above the reaction box 15 through bolts, the output end of the motor 5 is fixedly connected with a rotating shaft 7 through a coupler, the outer wall of the rotating shaft 7 is fixedly sleeved with a stirring rod 8, the stirring rod 8 is positioned in the reaction box 15, two sides of the reaction box 15 are fixedly connected with filter screens 9 through bolts, a feeding pipe 6 is fixedly connected above the reaction box 15, a first filter and a second filter respectively comprise filter boxes 18 fixedly connected with a liquid collecting pipe 16 and a material conveying pipe 11, the inner walls of the filter boxes 18 are fixedly connected with filter plates 19 through bolts, a waste discharge pipe 17 is fixedly connected below the filter boxes 18, a liquid outlet pipe 20 is fixedly connected above the filter boxes 18, the liquid outlet pipe 20 positioned on the second filter is fixedly connected with a material collecting pipe 13, and one side of the reaction box 15 is fixedly connected with a controller through bolts, the controller adopts AFPX0L14R model controller, and motor 5 passes through the electric wire and is connected with the controller electricity, and equal fixedly connected with solenoid valve 4 on input tube 1, inlet pipe 2, outlet pipe 3, collector tube 16, inlet tube 10, conveying pipeline 11, collecting tube 13, discharging pipe 12, raceway 14, filling tube 6, the pipe 17 that wastes discharge, the drain pipe 20 all is provided with the through-hole on the filter 19, and the through-hole adopts circular structure.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The working principle is that when the device is used, the on-off of each electromagnetic valve 4 is controlled, the on-off of a pipeline is controlled, raw materials are conveyed through the input pipe 1, then the raw materials reach the reaction box 15 through one of the feeding pipes 2, then the raw materials enter the middle of the reaction box 15 through the filter screen 9, then the raw materials enter the conveying pipe 11 through the filter screen 9, then the raw materials reach the filter box 18, the reaction solution is filtered again through the filter plate 19, the reaction solution is completely filtered, finished products are discharged from the discharge pipe 12 through the liquid collecting pipe 13, the motor 5 works under the control of the controller, then the rotating shaft 7 is driven to rotate, further the stirring rod 8 is driven to rotate, the catalyst and the raw materials are uniformly mixed, the reaction is more sufficient, when the cleaning or other operations are needed, the other reaction box is started, the raw materials enter through the other feeding pipe 2, and, the clear water is through inlet tube 10 back flush reaction box 15, then through outlet pipe 3 and during liquid collecting pipe 16 reachs rose box 18, carry out filter 19's filtration, then the liquid that thoughtlessly has other impurity is discharged through drain pipe 20, a small amount of catalyst is held back, then discharge through exhaust pipe 17, through handling, reuse, the utility model discloses simple structure convenient to use, through the setting of two reaction boxes, can realize the continuous separation of catalyst under the condition of not shutting down, and then continuous production, increase of efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The continuous separation device for the catalyst in the hydrogenation reaction comprises an input pipe (1) and is characterized in that one end of the input pipe (1) is fixedly connected with an inlet pipe (2), the other end of the inlet pipe (2) is fixedly connected with a reactor in parallel arrangement, one side of the inlet pipe (2) is provided with an outlet pipe (3), one side of the outlet pipe (3) is fixedly connected with the reactor, two ends of the outlet pipes (3) far away from the reactor are fixedly connected with a liquid collecting pipe (16), the other end of the liquid collecting pipe (16) is fixedly connected with a first filter, one end of the reactor far away from the inlet pipe (2) is fixedly connected with a water inlet pipe (10) and a material conveying pipe (11) in parallel arrangement, one end of the water inlet pipe (10) far away from the reactor is fixedly connected with a water conveying pipe (14), and one end of the material conveying pipe (11) far away from, one side of the second filter far away from the material conveying pipe (11) is fixedly connected with a material collecting pipe (13), and the material collecting pipe (13) is fixedly connected with a material discharging pipe (12).

2. The continuous separation device of catalyst in hydrogenation according to claim 1, characterized in that, the reactor includes a reaction box (15) fixedly connected with the inlet pipe (2), the top of the reaction box (15) is fixedly connected with a motor (5) through bolts, the output end of the motor (5) is fixedly connected with a rotating shaft (7) through a shaft coupling, and the outer wall of the rotating shaft (7) is fixedly sleeved with a stirring rod (8), and the stirring rod (8) is located in the reaction box (15), the two sides of the reaction box (15) are fixedly connected with a filter screen (9) through bolts, and the top of the reaction box (15) is fixedly connected with a feed pipe (6).

3. The continuous separation device for the catalyst in the hydrogenation reaction according to claim 2, wherein the first filter and the second filter each comprise a filter box (18) fixedly connected with a liquid collecting pipe (16) and a material conveying pipe (11), respectively, a filter plate (19) is fixedly connected to the inner wall of the filter box (18) through bolts, a waste discharging pipe (17) is fixedly connected to the lower part of the filter box (18), a liquid outlet pipe (20) is fixedly connected to the upper part of the filter box (18), and the liquid outlet pipe (20) on the second filter is fixedly connected with the material collecting pipe (13).

4. The continuous separation device for the catalyst in the hydrogenation reaction according to claim 2, wherein a controller is fixedly connected to one side of the reaction box (15) through a bolt, the controller is an AFPX0L14R type controller, and the motor (5) is electrically connected with the controller through an electric wire.

5. The continuous separation device for the catalyst in the hydrogenation reaction according to claim 3, wherein the input pipe (1), the feed pipe (2), the outlet pipe (3), the liquid collecting pipe (16), the inlet pipe (10), the feed conveying pipe (11), the material collecting pipe (13), the discharge pipe (12), the water conveying pipe (14), the feed conveying pipe (6), the waste discharge pipe (17) and the outlet pipe (20) are all fixedly connected with the electromagnetic valve (4).

6. A continuous separation device for catalyst in hydrogenation reaction according to claim 3, characterized in that the filter plates (19) are provided with through holes, and the through holes are of circular structure.