Benzoic acid production device

Abstract

The utility model discloses a benzoic acid production device, which relates to the technical field of benzoic acid production and comprises an oxidation barrel, a barrel cover is arranged at the top of the oxidation barrel, an air pump is arranged on one side outside the oxidation barrel, and an electric liquid outlet valve is arranged on the inner side of the bottom of the oxidation barrel. A motor stirring part is arranged at the top of the barrel cover; a plurality of electric push rods are uniformly arranged at the bottom of the barrel cover around the axis at intervals; an air heating box is arranged at the top of the air extracting pump; an annular air injection component is arranged at the bottoms of the electric push rods; and a hose connecting pipe is arranged at the top of the air heating box. By means of the structure, external air can be fed into mixed liquid of methylbenzene liquid and a catalyst, oxidation reaction between the mixed liquid and oxygen is accelerated, air is heated, oxygen molecules are more active, and oxidation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of benzoic acid production and specifically relates to a benzoic acid production device. BACKGROUND

[0002] Benzoic acid, also known as "benzoic acid", is a white leaf-shaped needle crystal or white needle-shaped or scaly crystalline, light in quality, with luster, no odor or slightly similar odor of benzoin or benzaldehyde. Benzoic acid has the effect of inhibiting microbial growth, and has very low toxicity, and can be used as a food preservative. In addition, benzoic acid is mainly used externally for skin diseases and the like in medicine, and is usually used in combination with salicylic acid. In general, benzoic acid is an important organic compound and has wide application in many fields.

[0003] In the production of benzoic acid, in order to improve the production efficiency, a stirring device is usually used to accelerate the oxidation reaction of the mixed liquid of toluene and catalyst with air. However, in this mixing method, only the part of the mixed liquid at the top is in contact with air and can occur oxidation reaction. The mixed liquid at the bottom needs a long time to flow to the top of the liquid, which is low in efficiency and consumes a large amount of energy, thereby increasing the production cost. Therefore, the present application provides a benzoic acid production device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of benzoic acid production device to solve the above background technical problems that the existing benzoic acid production device in the production of benzoic acid, in order to improve the production efficiency, usually uses stirring device, accelerates the oxidation reaction of the mixed liquid of toluene and catalyst with air. However, in this mixing method, only the part of the mixed liquid at the top is in contact with air and can occur oxidation reaction. The mixed liquid at the bottom needs a long time to flow to the top of the liquid, which is low in efficiency and consumes a large amount of energy, thereby increasing the production cost.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of benzoic acid production device, including oxidation barrel, the top of the oxidation barrel is provided with barrel cover, oxidation barrel outside one side is provided with air pump, the bottom of the oxidation barrel is provided with electric liquid outlet valve in side, the top of the barrel cover is provided with motor stirring part, the bottom of the barrel cover is provided with a plurality of electric push rods that are uniformly spaced around the axis, the top of the air pump is provided with air heating box, a plurality of the bottom of the electric push rod is provided with annular air jet component, the top of the air heating box is provided with hose connection pipe;

[0007] The annular air jet component includes an annular pipe, the bottom of the annular pipe is provided with a gas delivery hose, and a plurality of gas outlet heads are uniformly arranged on the inner side of the annular pipe around the axis.

[0008] Further, the oxidation barrel comprises a barrel body, a liquid outlet pipe is arranged at the bottom of the barrel body, a plurality of support columns are uniformly arranged outside the liquid outlet pipe around an axis, the liquid outlet pipe is fixedly connected with the barrel body, and the top of the plurality of support columns is fixedly connected with the outside of the bottom of the barrel body.

[0009] Further, the barrel cover comprises a protective cover, a liquid inlet pipe is arranged at one side of the top of the protective cover, the protective cover is fixedly connected with the barrel body, the liquid inlet pipe is fixedly connected with the protective cover, the bottom of the air suction pump is fixedly connected with the outside of the barrel body, and the electric liquid outlet valve is movably arranged on the liquid outlet pipe.

[0010] Further, the motor stirring part comprises a motor, a stirring rod is arranged on the transmission shaft of the motor and passes through the protective cover, the motor is fixedly connected with the protective cover, a plurality of stirring blades are uniformly arranged outside the bottom of the stirring rod around an axis, the top of the stirring rod is fixedly connected with the transmission shaft of the motor, the plurality of stirring blades are fixedly connected with the stirring rod, the top of the plurality of electric push rods is fixedly connected with the bottom of the protective cover, and the bottom of the air heating box is fixedly connected with the air suction pump.

[0011] Further, the bottom of the annular pipe is fixedly connected with the bottom of the plurality of electric push rods, the bottom of the air supply hose is fixedly connected with the annular pipe, the top of the air supply hose is fixedly connected with the protective cover, and the plurality of air outlet heads are fixedly connected with the annular pipe.

[0012] Further, the bottom of the hose connecting pipe is fixedly connected with the air heating box, and the top of the hose connecting pipe is fixedly connected with the air supply hose.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses an oxidation barrel is provided, the top of oxidation barrel is provided with the barrel cover, and one side of the outside of oxidation barrel is provided with the air suction pump, and the inside of the bottom of oxidation barrel is provided with the electric liquid outlet valve, the top of barrel cover is provided with motor stirring part, and the bottom of barrel cover is uniformly spaced and is provided with a plurality of electric push rods around an axis, the top of air suction pump is provided with air heating box, and the bottom of a plurality of electric push rods is provided with annular air -jet part. In this process, the outside air is sent into the annular air -jet part inside through the air suction pump, the electric push rod is immersed in the mixed liquid inside, and then the motor stirring part is used, so that the oxidation reaction of the mixed liquid can be accelerated, the production efficiency is improved, and the production cost is reduced.

[0015] 2. The utility model discloses an air suction pump, air heating box is arranged at the top of air suction pump, and hose connecting pipe is arranged at the bottom of air heating box. In this process, the air heating treatment is handled to the air sent into the annular air -jet part inside through the air heating box, so that the air is more active, and the oxidation reaction is facilitated. DRAWINGS

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the front installation structure schematic view of the utility model;

[0018] Figure 3 It is the section installation structure schematic view of the utility model;

[0019] Figure 4 It is the annular jet component installation structure schematic view of the utility model;

[0020] The drawing reference: 1, oxidation bucket;101, bucket body;102, liquid outlet pipe;103, support column;2, bucket cover;201, protective cover;202, infusion tube;3, air pump;4, electric liquid outlet valve;5, motor stirring component;501, motor;502, stirring rod;503, stirring blade;6, electric push rod;7, air heating box;8, annular jet component;801, annular pipe;802, gas delivery hose;803, air outlet head;9, hose connecting pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a benzoic acid production device, including oxidation bucket 1, oxidation bucket 1 top is provided with bucket cover 2, oxidation bucket 1 outside one side is provided with air pump 3, oxidation bucket 1 bottom inboard is provided with electric liquid outlet valve 4, bucket cover 2 top is provided with motor stirring component 5, bucket cover 2 bottom is uniformly spaced about axis and is provided with multiple electric push rod 6, air pump 3 top is provided with air heating box 7, multiple electric push rod 6 bottom is provided with annular jet component 8, air heating box 7 top is provided with hose connecting pipe 9;

[0023] Annular jet component 8 includes annular pipe 801, annular pipe 801 bottom is provided with gas delivery hose 802, annular pipe 801 inboard is uniformly rotated about axis and is provided with multiple air outlet head 803.

[0024] The oxidation barrel 1 comprises a barrel body 101, the bottom of the barrel body 101 is provided with a liquid outlet pipe 102, a plurality of support columns 103 are uniformly arranged on the outer side of the liquid outlet pipe 102 around the axis, the liquid outlet pipe 102 is fixedly communicated with the barrel body 101, and the top of the plurality of support columns 103 is fixedly connected with the outer side of the bottom of the barrel body 101. In the example, the liquid outlet pipe 102 arranged at the bottom of the barrel body 101 is convenient for discharging the mixed liquid after the oxidation reaction, and the production efficiency is improved.

[0025] The barrel cover 2 comprises a protective cover 201, the top of the protective cover 201 is provided with a liquid inlet pipe 202 on one side, the protective cover 201 is fixedly connected with the barrel body 101, the liquid inlet pipe 202 is fixedly communicated with the protective cover 201, the bottom of the air suction pump 3 is fixedly connected with the outer side of the barrel body 101, and the electric liquid outlet valve 4 is movably installed with the liquid outlet pipe 102. In the example, the electric liquid outlet valve 4 can cooperate with the liquid outlet pipe 102 to control the discharge of the mixed liquid.

[0026] The motor stirring part 5 comprises a motor 501, a stirring rod 502 is arranged on the transmission shaft of the motor 501 through the protective cover 201, the motor 501 is fixedly connected with the protective cover 201, a plurality of stirring blades 503 are uniformly arranged on the outer side of the bottom of the stirring rod 502 around the axis, the top of the stirring rod 502 is fixedly connected with the transmission shaft of the motor 501, the plurality of stirring blades 503 are fixedly connected with the stirring rod 502, the top of the plurality of electric push rods 6 is fixedly connected with the bottom of the protective cover 201, and the bottom of the air heating box 7 is fixedly communicated with the air suction pump 3. In the example, the electric push rod 6 can drive the annular air jet part 8, so that the mixed liquid is conveniently subjected to the oxidation reaction.

[0027] The bottom of the annular pipe 801 is fixedly connected with the bottom of the plurality of electric push rods 6, the bottom of the air conveying hose 802 is fixedly communicated with the annular pipe 801, the top of the air conveying hose 802 is fixedly communicated with the protective cover 201, and the plurality of air outlet heads 803 are fixedly communicated with the annular pipe 801. In the example, the plurality of air outlet heads 803 are convenient for the mixed liquid to be subjected to the oxidation reaction with more oxygen.

[0028] The bottom of the hose connecting pipe 9 is fixedly communicated with the air heating box 7, and the top of the hose connecting pipe 9 is fixedly communicated with the air conveying hose 802.

[0029] Working principle: the toluene liquid and catalyst are sent into the inside of the barrel body 101 through the infusion pipe 202, the outside air is sent into the inside of the air heating box 7 to be heated by the air pump 3, then is sent to the inside of the annular pipe 801 at the bottom of the gas conveying hose 802 through the hose connecting pipe 9, is sprayed out through multiple air outlet heads 803, multiple electric push rods 6 drive the annular pipe 801 to descend, so that the annular gas jet component 8 is immersed into the inside of the mixed liquid, in the process, the motor 501 drives the stirring rod 502 to rotate, in turn drives multiple stirring blades 503, accelerates the mixing of the mixed liquid and oxygen in the air, in turn accelerates the oxidation reaction, improves the production efficiency, after the oxidation is completed, the motor 501 stops rotating, the electric push rod 6 retracts the annular gas jet component 8, the air pump 3 stops working, the electric liquid outlet valve 4 is opened, the mixed liquid after the oxidation is discharged through the liquid outlet pipe 102 from the barrel body 101.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A benzoic acid production apparatus, characterized in that: The utility model provides an oxidation barrel (1) is provided with the bucket cover (2) on top, and the outside one side of oxidation barrel (1) is provided with the air pump (3), and the inside bottom of oxidation barrel (1) is provided with the electric liquid outlet valve (4), the top of bucket cover (2) is provided with motor stirring part (5), and the bottom of bucket cover (2) is provided with a plurality of electric push rod (6) around the axis even spacing, the top of air pump (3) is provided with air heating box (7), and the bottom of a plurality of electric push rod (6) is provided with annular jet part (8), and the top of air heating box (7) is provided with hose connecting pipe (9). The annular jet part (8) includes an annular tube (801), the bottom of the annular tube (801) is provided with a gas delivery hose (802), and a plurality of gas outlet heads (803) are uniformly arranged on the inner side of the annular tube (801) around the axis.

2. A benzoic acid production apparatus according to claim 1, characterized in that: The oxidation barrel (1) includes a barrel body (101), the bottom of the barrel body (101) is provided with a liquid outlet pipe (102), a plurality of support columns (103) are uniformly arranged on the outer side of the liquid outlet pipe (102) around the axis, the liquid outlet pipe (102) is fixedly connected with the barrel body (101), and the top of the plurality of support columns (103) is fixedly connected with the outer side of the bottom of the barrel body (101).

3. A benzoic acid production apparatus according to claim 2, characterized in that: The bucket cover (2) includes a protective cover (201), the top of the protective cover (201) is provided with a liquid delivery pipe (202), the protective cover (201) is fixedly connected with the barrel body (101), the liquid delivery pipe (202) is fixedly connected with the protective cover (201), the bottom of the air pump (3) is fixedly connected with the outer side of the barrel body (101), and the electric liquid outlet valve (4) is movably installed with the liquid outlet pipe (102).

4. The benzoic acid production apparatus according to claim 3, characterized by: The motor stirring part (5) includes a motor (501), a stirring rod (502) is arranged through the protective cover (201) on the transmission shaft of the motor (501), the motor (501) is fixedly connected with the protective cover (201), a plurality of stirring blades (503) are uniformly arranged on the outer side of the bottom of the stirring rod (502) around the axis, the top of the stirring rod (502) is fixedly connected with the transmission shaft of the motor (501), the plurality of stirring blades (503) are fixedly connected with the stirring rod (502), the top of the plurality of electric push rods (6) is fixedly connected with the bottom of the protective cover (201), and the bottom of the air heating box (7) is fixedly connected with the air pump (3).

5. A benzoic acid production apparatus according to claim 4, characterized in that: The bottom of the annular tube (801) is fixedly connected with the bottom of the plurality of electric push rods (6), the bottom of the gas delivery hose (802) is fixedly connected with the annular tube (801), the top of the gas delivery hose (802) is fixedly connected with the protective cover (201), and the plurality of gas outlet heads (803) are fixedly connected with the annular tube (801).

6. A benzoic acid production apparatus according to claim 5, characterized in that: The bottom of the hose connecting pipe (9) is fixedly connected with the air heating box (7), and the top of the hose connecting pipe (9) is fixedly connected with the gas delivery hose (802).

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