An apparatus for preparing a catalyst

Abstract

This invention relates to a catalyst preparation apparatus for the preparation of nonene from propylene, comprising: a vacuum pump; a preparation tank connected to the vacuum pump via a first pipe; and a preparation tank connected to the vacuum pump via a second pipe and a third pipe. In this invention, the catalyst preparation apparatus integrates a dryer and an adsorption tank into a preparation tank, and allows free transfer of acid between the preparation tank and the preparation tank via valve switching and the start / stop of the vacuum pump. This saves on equipment investment, reduces floor space, simplifies the operation process, reduces the need for side-mounted transport, and avoids acid spillage during transport.

Description

Technical Field

[0001] This invention relates to the field of catalyst preparation technology, and more particularly to a catalyst preparation apparatus. Background Technology

[0002] Currently, catalyst preparation involves using multiple devices to complete various operations, which are then transported between these devices by trucks. This undoubtedly increases the investment in equipment, the area occupied, and the operational process. In addition, spillage may occur during the transportation process.

[0003] Therefore, there is an urgent need for a catalyst preparation device. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a catalyst preparation apparatus.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] An apparatus for preparing a catalyst, the catalyst being used to prepare nonene from propylene, comprising:

[0007] Vacuum pump;

[0008] A preparation tank, wherein the preparation tank is connected to the vacuum pump pipeline via a first pipe;

[0009] The preparation tank is connected to the vacuum pump pipeline via a second pipeline and to the preparation tank pipeline via a third pipeline.

[0010] Preferably, the first outlet of the preparation tank is connected to the inlet pipe of the vacuum pump through the first pipe, and the first outlet of the preparation tank is connected to the inlet pipe of the vacuum pump through the second pipe.

[0011] Preferably, the inlet and outlet of the preparation tank are connected to the inlet and outlet pipeline of the preparation tank through the third pipeline.

[0012] Preferably, the first inlet of the preparation tank is connected to the acid inlet pipeline.

[0013] Preferably, the second inlet of the preparation tank is connected to the water inlet pipeline.

[0014] Preferably, the second air outlet of the configuration slot is connected to the first venting pipeline.

[0015] Preferably, the preparation tank (3) includes: a tank body, a slot fixedly disposed at the bottom of the tank body, and a tank cover rotatably disposed at the top of the tank body; wherein,

[0016] The carrier agent is disposed in the slot, and a dispenser is also provided between the slot and the bottom of the tank body;

[0017] After the tank cover is closed, the tank body is in a sealed state.

[0018] Preferably, the air inlet of the preparation tank is connected to an air inlet pipe, and the second air outlet of the preparation tank is connected to a second exhaust pipe.

[0019] Preferably, the air intake pipe includes a blower and a heater connected in sequence.

[0020] Preferably, valves are provided on the first pipe, the second pipe, the third pipe, the first vent pipe, the air inlet pipe, and the second vent pipe.

[0021] The present invention adopts the above technical solution and has the following technical effects compared with the prior art:

[0022] In this invention, the catalyst preparation device integrates the dryer and adsorption tank into a preparation tank. By switching valves and starting and stopping the vacuum pump, the acid solution can be freely transferred between the preparation tank and the formulation tank. This not only saves equipment investment and reduces the floor space, but also simplifies the operation process, reduces the transportation process by trucks on both sides, and avoids the situation of acid solution spilling during truck transportation. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the preparation apparatus in this invention;

[0024] The reference numerals in the figures include:

[0025] Vacuum pump 1; mixing tank 2; preparation tank 3; blower 4; heater 5; first valve a; second valve b; third valve c; fourth valve d; fifth valve e; sixth valve f. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0028] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the scope of the invention.

[0029] Example

[0030] An apparatus for preparing a catalyst, the catalyst being used to prepare nonene from propylene, comprising:

[0031] Vacuum pump 1;

[0032] The preparation tank 2 has a first air outlet connected to the air inlet pipe of the vacuum pump 1 via a first pipe, a first liquid inlet connected to an acid inlet pipe, a second liquid inlet connected to a water inlet pipe, and a second air outlet connected to a first vent pipe.

[0033] The preparation tank 3 has a first air outlet connected to the air inlet pipe of the vacuum pump 1 via a second pipe, and its liquid inlet and outlet pipes connected to the liquid inlet and outlet pipes of the preparation tank 2 via a third pipe. The air inlet of the preparation tank 3 is connected to an air inlet pipe.

[0034] The second air outlet of the preparation tank 3 is connected to the second exhaust pipe;

[0035] Valves are installed on the first pipe, the second pipe, the third pipe, the first vent pipe, the air inlet pipe, and the second vent pipe.

[0036] In a preferred embodiment, the preparation tank 3 includes: a tank body, a slot fixedly disposed at the bottom of the tank body, and a tank cover rotatably disposed at the top of the tank body; wherein,

[0037] The carrier agent is disposed in the slot, and a dispenser is also provided between the slot and the bottom of the tank body;

[0038] After the tank cover is closed, the tank body is in a sealed state.

[0039] In a preferred embodiment, the air intake pipe includes a blower 4 and a heater 5 connected in sequence.

[0040] This embodiment further provides a method for preparing a catalyst, wherein the catalyst is used to prepare nonene from propylene, and the steps include:

[0041] S1. Close the first valve a and the third valve c, and prepare the acid solution in the preparation tank 2;

[0042] S2. Transfer the carrier agent into the frame and hoist it into the preparation tank 3 by a trolley. Close the second valve b, start the blower 4 and heater 5, open the fourth valve d and the sixth valve f, and introduce hot air into the preparation tank 3.

[0043] S3. After drying, turn off blower 4 and heater 5, close third valve c, fourth valve d and sixth valve f, start vacuum pump 1, open first valve a, second valve b and fifth valve e, transfer acid solution to preparation tank 3, and close first valve a, second valve b and fifth valve e after reaching a certain liquid level.

[0044] S4. Open the second valve b, evacuate the preparation tank 3 to a vacuum, and let the carrier agent soak in the acid solution for 2-5 hours;

[0045] S5. Close the second valve b, open the first valve a, the third valve c and the fourth valve d, and transfer the remaining acid solution back to the preparation tank 2 to prepare for the next preparation.

[0046] S6. Turn off vacuum pump 1, close first valve a and third valve c, start blower 4 and heater 5, open sixth valve f, introduce hot air into preparation tank 3, and obtain catalyst after 2-5 hours of programmed temperature rise and drying.

[0047] In a preferred embodiment, the acid solution is selected from at least one of sulfuric acid, hydrochloric acid, phosphoric acid, or nitric acid.

[0048] In a preferred embodiment, the carrier agent is selected from at least one of alumina, silica gel, or activated carbon.

[0049] Comparative Example

[0050] This comparative example provides another method for preparing a catalyst used to prepare nonene from propylene, comprising the following steps:

[0051] S1. Prepare acid solution in a high-level acid preparation tank;

[0052] S2. The acid solution is transferred to the adsorption tank by gravity;

[0053] S3. Transfer the carrier agent into the frame, and then use a crane to transport it into the dryer. Start the blower and heater to introduce hot air into the dryer.

[0054] S4. After drying, the carrier agent is transferred to the adsorption tank by a conveyor belt.

[0055] S5. Use a vacuum pump to evacuate the adsorption tank to a vacuum level, and let the carrier agent soak in the acid solution for 2-5 hours.

[0056] S6. Transfer the remaining acid solution back to the acid preparation tank via a centrifugal pump;

[0057] S7. After the carrier agent has been naturally dehydrated for a period of time, it is transferred to the dryer by a squeegee.

[0058] S8. Start the blower and heater to introduce hot air into the dryer. After drying for 2-5 hours using the programmed temperature rise method, the product is ready.

[0059] In summary, the catalyst preparation device of this invention integrates the dryer and adsorption tank into a preparation tank, and allows the acid solution to be freely transferred between the preparation tank and the formulation tank by switching valves and starting and stopping the vacuum pump. This not only saves equipment investment and reduces the floor space, but also simplifies the operation process, reduces the transportation process by trucks on both sides, and avoids the situation of acid solution spilling during truck transportation.

[0060] The above description is merely a preferred embodiment of the present invention and does not limit the implementation and protection scope of the present invention. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.

Claims

1. An apparatus for preparing a catalyst, said catalyst being used to prepare nonene from propylene, characterized in that, include: Vacuum pump (1); Preparation tank (2), the preparation tank (2) is connected to the vacuum pump (1) via a first pipe; And a preparation tank (3), which is connected to the vacuum pump (1) via a second pipe and to the preparation tank (2) via a third pipe; The first outlet of the preparation tank (2) is connected to the inlet pipe of the vacuum pump (1) through the first pipe, and the first outlet of the preparation tank (3) is connected to the inlet pipe of the vacuum pump (1) through the second pipe. The inlet and outlet of the preparation tank (2) are connected to the inlet and outlet of the preparation tank (3) through the third pipe. The first inlet of the preparation tank (2) is connected to the acid inlet pipeline; The second liquid inlet of the preparation tank (2) is connected to the water inlet pipeline; The second air outlet of the preparation tank (2) is connected to the first venting pipeline; Wherein, the air inlet of the preparation tank (3) is connected to the air inlet pipeline, and the second air outlet of the preparation tank (3) is connected to the second exhaust pipeline; The air intake pipe includes a blower (4) and a heater (5) connected in sequence. Valves are provided on the first pipe, the second pipe, the third pipe, the first vent pipe, the air inlet pipe, and the second vent pipe. The catalyst preparation steps include: S1. Close the first valve (a) and the third valve (c) to prepare the acid solution in the preparation tank (2); S2. Transfer the carrier agent into the frame and hoist it into the preparation tank (3) by a crane. Close the second valve (b), start the blower (4) and the heater (5), open the fourth valve (d) and the sixth valve (f), and introduce hot air into the preparation tank (3). S3. After drying, turn off the blower (4) and the heater (5), close the third valve (c), the fourth valve (d) and the sixth valve (f), start the vacuum pump (1), open the first valve (a), the second valve (b) and the fifth valve (e), transfer the acid solution to the preparation tank (3), and close the first valve (a), the second valve (b) and the fifth valve (e) after a certain liquid level is reached. S4. Open the second valve (b), evacuate the preparation tank (3) to a vacuum, and let the carrier agent soak in the acid solution for 2-5 hours; S5. Close the second valve (b), open the first valve (a), the third valve (c) and the fourth valve (d), and transfer the remaining acid solution back to the preparation tank (2) to prepare for the next preparation. S6. Turn off the vacuum pump (1), close the first valve (a) and the third valve (c), start the blower (4) and the heater (5), open the sixth valve (f), introduce hot air into the preparation tank (3), and obtain the catalyst after 2-5 hours of programmed temperature rise and drying; The acid solution is selected from at least one of sulfuric acid, hydrochloric acid, phosphoric acid, or nitric acid.

2. The preparation apparatus according to claim 1, characterized in that, The preparation tank (3) includes: a tank body, a slot fixedly disposed at the bottom of the tank body, and a tank cover rotatably disposed at the top of the tank body; wherein, The carrier agent is disposed in the slot, and a dispenser is also provided between the slot and the bottom of the tank body; After the tank cover is closed, the tank body is in a sealed state.

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