CN210449212U - Rotary hydrothermal reaction equipment for producing nano-array catalyst - Google Patents

Abstract

The utility model provides a rotation type hydrothermal reaction equipment for producing nanometer array catalyst, including outer tank, heating rod, inside groove and rotary platform. The heating rod is transversely arranged on the inner wall of the outer groove; the inner groove is arranged inside the outer groove, and the rotating device comprises a rotating platform, a rotating shaft and a motor. The rotary platform is arranged in the inner groove and comprises an upper rotary table and a lower rotary table; the rotating shaft is fixedly connected below the lower rotating table and penetrates through the inner groove and the outer groove; the motor is fixedly arranged below the outer groove and is connected with the rotating shaft. The utility model discloses structural design is ingenious, prolongs the life of heating rod, obviously improves the uniformity of catalyst product, promotes the catalytic performance of product.

Description

Rotary hydrothermal reaction equipment for producing nano-array catalyst

Technical Field

The utility model relates to a hydrothermal reaction equipment, more specifically the rotation type hydrothermal reaction equipment for producing nanometer array catalyst that says so.

Background

The hydrothermal reaction is a method for preparing a nano-array catalyst on a large scale, and the principle is to immerse a porous honeycomb substrate in a hydrothermal reaction solution, heat it to a reaction temperature and keep it until the reaction is finished. The honeycomb substrate is fully contacted with the solution, and the nano-array catalyst is generated on the surface of the substrate in the hydrothermal reaction process.

Currently, the equipment for industrially producing the nano-array catalyst is a constant temperature water bath which can heat and keep the reaction solution and the honeycomb substrate at the reaction temperature, but has significant drawbacks. The existing equipment adopts single-groove heating, a heating rod is directly contacted with a reaction solution, and the service life of the heating rod is very short. Because the reaction solution is static in the water bath, the outer surface of the substrate can be kept in full contact with the solution along with the reaction, but the solution is difficult to flow in the pore channel of the honeycomb substrate, namely the inner surface of the pore channel of the honeycomb substrate is difficult to continuously contact with the fresh solution containing the solute, so that the reaction quality in the pore channel is influenced, the growth of the nano-array catalyst on the inner wall of the pore channel of the substrate is influenced, and finally, the nano-array catalyst is unevenly distributed on the honeycomb substrate and the catalytic performance of the nano-array catalyst is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rotation type hydrothermal reaction equipment for producing nanometer array catalyst can effectively solve above-mentioned problem.

The utility model discloses a realize like this:

a rotary hydrothermal reaction apparatus for producing a nano-array catalyst, comprising:

an outer groove is arranged on the outer side of the inner groove,

the heating rod is transversely arranged on the inner wall of the outer groove;

an inner tank disposed inside the outer tank,

a rotary device, comprising:

the rotary platform is arranged in the inner groove and comprises an upper rotary table and a lower rotary table;

the rotating shaft is fixedly connected below the lower rotating table and penetrates through the inner groove and the outer groove;

and the motor is fixedly arranged below the outer groove and is connected with the rotating shaft.

As a further improvement, a shaft sleeve is arranged between the upper rotary table and the lower rotary table, and the shaft sleeve is sleeved on the rotary shaft.

As a further improvement, a honeycomb catalyst substrate is placed on the rotating platform; the honeycomb catalyst substrate is uniformly provided with a plurality of honeycomb hole channels along the longitudinal direction, the honeycomb hole channels are horizontally placed on the rotating platform, and the placing direction of the honeycomb hole channels is parallel to the tangential direction of the rotating platform.

As a further improvement, the height of the shaft sleeve is 0.8 mm-1.2 mm smaller than that of the honeycomb catalyst substrate.

As a further improvement, the top of the rotating shaft is provided with a threaded section.

As a further improvement, a nut is arranged above the upper rotating platform and matched with the threaded section.

The utility model has the advantages that:

one, the utility model discloses a double-deck heating system, heating rod and water injection are placed to the outer tank and are used for the heating, and honeycomb catalyst basement and catalyst solution are placed to the inside inslot, avoid heating rod and the catalyst solution direct contact that has corrosivity, prolong the life of heating rod.

Two, the utility model discloses an increase rotary device, place the honeycomb basement in the swivel mount and impregnate in hydrothermal reaction solution, the swivel mount rotates at the uniform velocity with 2 ~ 10 commentaries on classics/minute's speed, the honeycomb basement forms relative motion with solution, can guarantee that its inside constantly contacts the necessary solute of hydrothermal reaction, and then increase the homogeneity of nanometer array catalyst on the honeycomb basement, guarantee that it has better catalytic performance, and the flow field of rotatory production can promote the concentration of water bath internal solution more even, there is obvious improvement to the uniformity of the catalyst product of production, promote the catalytic performance of product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic cross-sectional view of the overall structure provided by the embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure provided by the embodiment of the present invention.

Fig. 3 is a schematic view of a part of the structure provided by the embodiment of the present invention.

Fig. 4 is a schematic diagram of a position of a motor according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a honeycomb catalyst substrate according to an embodiment of the present invention.

In the figure: 1. outer tank 2, inner tank 3, rotating device 31, rotating platform 311, upper rotating table 312, lower rotating table 32, rotating shaft 321, threaded section 33, motor 34, shaft sleeve 35, nut 4, heating rod 5, honeycomb catalyst substrate 51, honeycomb hole channel 6 and supporting legs

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any 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.

Referring to fig. 1 to 3, a rotary hydrothermal reaction apparatus for producing a nano-array catalyst includes an outer tank 1, a heating rod 4, an inner tank 2, and a rotary platform 31. The heating rods 4 are transversely arranged on the inner wall of the outer tank 1, and the number of the heating rods 4 is 4, and the heating rods are respectively arranged on four inner walls of the outer tank 1; the inner tank 2 is disposed inside the outer tank 1. The outer tank 1 is filled with heat conducting solution, and the heating rod 4 heats the inner tank 2 through the heat conducting solution. The inner tank 2 contains a catalyst solution. In this embodiment, water is used as the heat transfer solution. The utility model discloses a separately setting of interior outer groove has avoided corrosive catalyst solution and 4 direct contact of heating rod, has promoted the life of heating rod 4. The rotating device 3 includes a rotating platform 31, a rotating shaft 32, and a motor 33. The rotary platform 31 is disposed in the inner tank 2, and the rotary platform 31 includes an upper rotary table 311 and a lower rotary table 312; the rotation shaft 32 is fixed below the lower rotation table 312 and penetrates the inner tank 2 and the outer tank 1. In this embodiment, the lower rotary table 312 is welded and fixed to the rotary shaft 32. Waterproof parts are arranged at the position where the inner groove 2 is in running fit with the rotating shaft 32; similarly, a waterproof part is arranged at the position where the outer groove 1 is in penetrating fit with the rotating shaft 32; above-mentioned waterproof mode's setting has been realized the liquid of urceolus 1 with the liquid of inside groove 2 can not take place to leak owing to set up rotation axis 32, has guaranteed the utility model discloses a sealing performance.

Referring to fig. 1 to 5, a motor 33 is fixedly installed below the outer tub 1 and connected to the rotary shaft 32, and the motor 33 is driven by power of the rotating device 3. Supporting legs 6 are symmetrically arranged below the outer tank 1, the supporting legs 6 are used for supporting the outer tank 1 and generating a space for arranging a motor 33, a shaft sleeve 34 is arranged between the upper rotary table 311 and the lower rotary table 312, and the shaft sleeve 34 is sleeved on the rotary shaft 32. A honeycomb catalyst substrate 5 is placed on the rotary platform 31; a plurality of honeycomb pore channels 51 are uniformly arranged on the honeycomb catalyst substrate 5 along the longitudinal direction, the honeycomb pore channels 51 are horizontally placed on the rotating platform 31, the placing direction of the honeycomb pore channels 51 is parallel to the tangential direction of the rotating platform 31, the rotating frame rotates at a constant speed of 2-10 r/min, the honeycomb catalyst substrate 5 and the catalyst solution form relative motion, so that the catalyst solution can more easily enter the honeycomb pore channels 51, the internal contact with the solute necessary for the hydrothermal reaction can be ensured at any moment, further increasing the uniformity of the nano-array catalyst on the honeycomb substrate, ensuring that the nano-array catalyst has better catalytic performance, promoting the concentration of the solution in the water bath to be more uniform by the flow field generated by rotation, the consistency of the produced catalyst product can be obviously improved, and the catalytic performance of the product is improved. A threaded section 321 is arranged at the top of the rotating shaft 32, and the threaded section 321 extends to the lower part of the upper rotating table 311; a nut 35 is arranged above the upper rotary table 311, and the nut 35 is matched with the threaded section 321, so that the rotary table 31 can be screwed down by the nut 35. Preferably, the height of the shaft sleeve 34 is 0.8 mm-1.2 mm smaller than that of the honeycomb catalyst substrate 5; more preferably, the height of the shaft sleeve 34 is 0.9mm to 1mm smaller than the height of the honeycomb catalyst substrate 5; in this embodiment, the height of the shaft sleeve 34 is 1mm smaller than the height of the honeycomb catalyst substrate 5; when the upper rotary table 311 and the lower rotary table 312 clamp the whole honeycomb catalyst substrate 5 when the nut 35 is tightened, the shaft sleeve 34 plays a role of limiting, and prevents the honeycomb catalyst substrate 5 from being damaged by excessive tightening during operation.

The rotary hydrothermal reaction device for producing the nano-array catalyst provided by the embodiment is used as follows: before use, the nut 35 and the upper rotary table 311 are taken out, the honeycomb catalyst substrate 5 is regularly placed on the lower rotary table 312, the honeycomb pore channels 51 are horizontally placed on the rotary platform 31, and the placing direction of the honeycomb pore channels 51 is parallel to the tangential direction of the rotary platform 31. An upper rotary table 311 is fitted over the rotary shaft 32 and placed over the honeycomb catalyst substrate 5. The nut 35 is screwed into the threaded section 321, and the nut 35 is tightened so that the honeycomb catalyst substrate 5 is clamped by the upper rotary table 311 and the lower rotary table 312, and the sleeve 34 is provided inside, so that the honeycomb catalyst substrate is tightened to a certain extent.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A rotary hydrothermal reaction apparatus for producing a nano-array catalyst, comprising:

an outer tank (1);

the heating rod (4) is transversely arranged on the inner wall of the outer groove (1);

an inner tank (2) provided inside the outer tank (1);

rotating device (3) comprising:

a rotating platform (31) arranged in the inner tank (2), the rotating platform (31) comprising an upper rotating table (311) and a lower rotating table (312);

a rotating shaft (32) which is fixedly connected to the lower part of the lower rotating table (312) and penetrates through the inner tank (2) and the outer tank (1);

and the motor (33) is fixedly arranged below the outer groove (1) and is connected with the rotating shaft (32).

2. The rotary hydrothermal reaction apparatus according to claim 1, wherein a shaft sleeve (34) is provided between the upper rotary table (311) and the lower rotary table (312), and the shaft sleeve (34) is sleeved on the rotary shaft (32).

3. The rotary hydrothermal reaction apparatus of claim 2, wherein the rotary platform (31) has a honeycomb catalyst substrate (5) disposed thereon; a plurality of honeycomb pore channels (51) are uniformly arranged on the honeycomb catalyst substrate (5) along the longitudinal direction, the honeycomb pore channels (51) are horizontally placed on the rotating platform (31), and the placing direction of the honeycomb pore channels (51) is parallel to the tangential direction of the rotating platform (31).

4. The rotary hydrothermal reaction apparatus of claim 3, wherein the height of the shaft sleeve (34) is 0.8mm to 1.2mm smaller than the height of the honeycomb catalyst substrate (5).

5. The rotary hydrothermal reaction apparatus of claim 1, wherein the rotary shaft (32) is provided with a screw thread section (321) at a top portion thereof.

6. The rotary hydrothermal reaction apparatus according to claim 5, wherein a nut (35) is provided above the upper rotary table (311), and the nut (35) is engaged with the threaded section (321).

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