Synthesis catalysis device for allyl hexanoate

Abstract

The utility model relates to the field of synthesis catalysis devices, and discloses a synthesis catalysis device for allyl hexanoate, which comprises a reaction kettle, a reaction kettle base, a reaction kettle top, a reaction kettle bottom and a reaction kettle top, the sulfuric acid adding mechanism comprises a placing cylinder, a sulfuric acid bottle, a polytetrafluoroethylene sealing plug, a connecting plate, an L-shaped frame, an electric telescopic rod, a rectangular frame and a stabilizing assembly; the placing cylinder is fixedly mounted on the reaction kettle, the sulfuric acid bottle is clamped with the placing cylinder, the polytetrafluoroethylene sealing plug is in sealing contact with the sulfuric acid bottle, the connecting plate is fixedly connected with the polytetrafluoroethylene sealing plug and the L-shaped frame, and the electric telescopic rod is fixedly mounted on the placing cylinder. The telescopic end of the electric telescopic rod is fixedly connected with the rectangular frame, and the L-shaped frame is clamped with the rectangular frame. The sulfuric acid adding device has the following advantages and effects that sulfuric acid can be prevented from being splashed out in the sulfuric acid adding process, and operators can be effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of synthetic catalytic devices, in particular to a synthetic catalytic device for allyl hexanoate. Background Art

[0002] Allyl hexanoate is a colorless or light yellow liquid with a pineapple aroma. It is easily soluble in organic solvents but insoluble in water. Allyl acetate can be obtained by direct esterification of hexanoic acid and allyl alcohol under the catalysis of sulfuric acid, followed by neutralization, water washing and distillation.

[0003] The Chinese utility model patent with the authorization number "CN219701907U" discloses a catalytic device for synthesizing allyl hexanoate. The application proposes the prior art problem that "in the preparation of allyl hexanoate, sulfuric acid is required for catalysis, and sulfuric acid is generally poured into the equipment from the feed port. However, since sulfuric acid is highly acidic and corrosive, it has a certain danger. When sulfuric acid is poured into the equipment, sulfuric acid may splash out, causing burns to the operator and causing injury to the operator." The utility model provides another solution to solve the above problem.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] The utility model aims to provide a synthesis catalytic device for allyl hexanoate to solve the above problems.

[0006] The above technical purpose of the utility model is achieved through the following technical scheme: a synthesis catalytic device for allyl hexanoate, comprising:

[0007] A reactor, wherein a sulfuric acid adding mechanism is provided on the reactor;

[0008] The sulfuric acid adding mechanism comprises a placement cylinder, a sulfuric acid bottle, a polytetrafluoroethylene sealing plug, a connecting plate, an L-shaped frame, an electric telescopic rod, a rectangular frame and a stabilizing component;

[0009] The placing tube is fixedly installed on the reaction kettle, the sulfuric acid bottle is clamped with the placing tube, a polytetrafluoroethylene sealing plug is sealed on the sulfuric acid bottle, the connecting plate is fixedly connected with the polytetrafluoroethylene sealing plug and the L-shaped frame, the electric telescopic rod is fixedly installed on the placing tube, the telescopic end of the electric telescopic rod is fixedly connected with the rectangular frame, and the L-shaped frame is clamped with the rectangular frame.

[0010] The utility model is further configured as follows: the stabilizing component includes a fixed cover, a square plate and a limit block, the sulfuric acid bottle is clamped with the fixed cover, the square plate is fixedly installed on the bottom of the fixed cover, the side of the limit block is fixedly connected to the rectangular frame, a limit hole is opened on the side of the square plate, and the limit block is adapted to the limit hole.

[0011] The utility model is further configured as follows: the bottom end of the fixed cover contacts the placing tube, the top end of the placing tube is provided with a square hole, and the square plate is clamped with the square hole.

[0012] By adopting the above technical solution, the fixed cover can be limited.

[0013] The utility model is further configured as follows: an auxiliary hole is opened at the top of the placement tube, and the L-shaped frame is located directly below the auxiliary hole.

[0014] The utility model is further configured as follows: a bottom groove is provided at the bottom end of the placement tube, the rectangular frame is located in the bottom groove, and a through hole is provided on the side wall of the bottom groove.

[0015] By adopting the above technical solution, the position of the rectangular frame is limited.

[0016] The utility model is further configured as follows: a power motor is fixedly arranged on the top of the reaction kettle, and a stirring element is fixedly arranged on the output end of the power motor.

[0017] By adopting the above technical solution and starting the power motor, the stirring element can be rotated to perform stirring.

[0018] The utility model is further configured as follows: a caproic acid feed pipe and a propenol feed pipe are fixedly arranged on the top of the reaction kettle, and a threaded cover is threadedly connected to the caproic acid feed pipe and the propenol feed pipe.

[0019] The utility model is further configured as follows: a discharge pipe is fixedly arranged on the reaction kettle, and a valve is installed on the discharge pipe.

[0020] The beneficial effects of the utility model are:

[0021] 1. The utility model is provided with a sulfuric acid adding mechanism. The sulfuric acid bottle is placed in the placement cylinder, the fixed cover is covered, and the electric telescopic rod is started, so that the rectangular frame, the L-shaped frame, the connecting plate, the polytetrafluoroethylene sealing plug and the limit block can be moved a short distance, so that the limit block is stuck in the limit hole, so that the stability of the sulfuric acid bottle can be ensured;

[0022] 2. The utility model is provided with a sulfuric acid adding mechanism. When sulfuric acid needs to be added, the electric telescopic rod is started to remove the sealing plug from the sulfuric acid bottle, and then the sulfuric acid flows into the reactor. In this way, during the sulfuric acid addition process, sulfuric acid can be prevented from splashing out, and the operator is effectively protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 and Figure 2 The utility model is a three-dimensional structural schematic diagram of a catalytic device for synthesizing allyl hexanoate.

[0025] Figure 3 The utility model discloses a cross-sectional structural schematic diagram of a catalytic synthesis device for allyl hexanoate.

[0026] Figure 4 yes Figure 3 Schematic diagram of the structure of part A in .

[0027] In the figure, 1. reactor; 2. power motor; 3. stirring element; 4. caproic acid feed pipe; 5. propylene alcohol feed pipe; 6. placement tube; 7. sulfuric acid bottle; 8. bottom tank; 9. polytetrafluoroethylene sealing plug; 10. connecting plate; 11. L-shaped frame; 12. electric telescopic rod; 13. rectangular frame; 14. fixed cover; 15. square plate; 16. limit block; 17. limit hole; 18. square hole; 19. auxiliary hole. DETAILED DESCRIPTION

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0029] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a catalytic synthesis device for allyl hexanoate, comprising:

[0031] Reactor 1, a sulfuric acid adding mechanism is provided on the reactor 1, and it should be noted that sulfuric acid is added into the reactor 1 through the sulfuric acid adding mechanism;

[0032] The sulfuric acid adding mechanism comprises a placing cylinder 6, a sulfuric acid bottle 7, a polytetrafluoroethylene sealing plug 9, a connecting plate 10, an L-shaped frame 11, an electric telescopic rod 12, a rectangular frame 13 and a stabilizing component;

[0033] The placing tube 6 is fixedly installed on the reaction kettle 1, the sulfuric acid bottle 7 is clamped with the placing tube 6, the sulfuric acid bottle 7 is sealed with a polytetrafluoroethylene sealing plug 9, the connecting plate 10 is fixedly connected with the polytetrafluoroethylene sealing plug 9 and the L-shaped frame 11, the electric telescopic rod 12 is fixedly installed on the placing tube 6, the telescopic end of the electric telescopic rod 12 is fixedly connected with the rectangular frame 13, and the L-shaped frame 11 is clamped with the rectangular frame 13.

[0034] By means of the above-mentioned sulfuric acid adding mechanism, the sulfuric acid bottle 7 is placed in the placing tube 6, so that the L-shaped frame 11 is inserted into the rectangular frame 13. When sulfuric acid needs to be added later, the electric telescopic rod 12 is started, the electric telescopic rod 12 drives the rectangular frame 13 to move, the rectangular frame 13 drives the L-shaped frame 11 to move, the L-shaped frame 11 drives the connecting plate 10 to move, the connecting plate 10 drives the polytetrafluoroethylene sealing plug 9 to move, so that the polytetrafluoroethylene sealing plug 9 is removed from the sulfuric acid bottle 7, and then the sulfuric acid flows into the reactor 1. In this way, during the addition of sulfuric acid, sulfuric acid can be prevented from splashing out, and the operator is effectively protected. After the addition is completed, the electric telescopic rod 12 is started, so that the polytetrafluoroethylene sealing plug 9 is re-inserted into the sulfuric acid bottle 7.

[0035] Specifically, the stabilizing component includes a fixed cover 14, a square plate 15 and a limit block 16. The sulfuric acid bottle 7 is clamped with the fixed cover 14. The square plate 15 is fixedly installed at the bottom of the fixed cover 14. The side of the limit block 16 is fixedly connected to the rectangular frame 13. A limit hole 17 is opened on the side of the square plate 15, and the limit block 16 is adapted to the limit hole 17.

[0036] Through the above structure, after the sulfuric acid bottle 7 is placed in the placement tube 6, the fixed cover 14 is covered and the electric telescopic rod 12 is started, the rectangular frame 13, the L-shaped frame 11, the connecting plate 10, the polytetrafluoroethylene sealing plug 9 and the limit block 16 can be moved a short distance, so that the limit block 16 is inserted into the limit hole 17, so that the stability of the sulfuric acid bottle 7 can be ensured.

[0037] Specifically, the bottom end of the fixed cover 14 contacts the placement tube 6 , a square hole 18 is formed at the top end of the placement tube 6 , and the square plate 15 is clamped in the square hole 18 . It should be noted that the fixed cover 14 may be subjected to position limiting treatment.

[0038] Specifically, an auxiliary hole 19 is opened at the top of the placing tube 6, the L-shaped frame 11 is located directly below the auxiliary hole 19, a bottom groove 8 is opened at the bottom end of the placing tube 6, the rectangular frame 13 is located in the bottom groove 8, and a through hole is opened on the side wall of the bottom groove 8. It should be noted that the setting of the auxiliary hole 19 facilitates the L-shaped frame 11 to be moved into the inside of the placing tube 6, and the setting of the through hole facilitates the movement of the limit block 16.

[0039] Specifically, a power motor 2 is fixedly provided at the top of the reaction kettle 1, and a stirring element 3 is fixedly provided at the output end of the power motor 2, which is convenient for stirring processing.

[0040] Specifically, a caproic acid feed pipe 4 and an acryl alcohol feed pipe 5 are fixedly provided on the top of the reactor 1, and threaded covers are threadedly connected to the caproic acid feed pipe 4 and the acryl alcohol feed pipe 5. A discharge pipe is fixedly provided on the reactor 1, and a valve is installed on the discharge pipe. It should be noted that caproic acid and acryl alcohol can be added to the caproic acid feed pipe 4 and the acryl alcohol feed pipe 5, respectively.

[0041] Working principle:

[0042] S1: adding caproic acid and acryl alcohol into the reactor 1 through the caproic acid feed pipe 4 and the acryl alcohol feed pipe 5 respectively, starting the power motor 2, so that the stirring element 3 fully stirs the caproic acid and acryl alcohol;

[0043] S2: After the sulfuric acid bottle 7 is placed in the placement tube 6, the L-shaped frame 11 is inserted into the rectangular frame 13, the fixed cover 14 is covered, and the electric telescopic rod 12 is started, so that the rectangular frame 13, the L-shaped frame 11, the connecting plate 10, the polytetrafluoroethylene sealing plug 9 and the limit block 16 can be moved a short distance, so that the limit block 16 is stuck in the limit hole 17, so that the stability of the sulfuric acid bottle 7 can be ensured;

[0044] S3: When sulfuric acid needs to be added later, the electric telescopic rod 12 is started, the electric telescopic rod 12 drives the rectangular frame 13 to move, the rectangular frame 13 drives the L-shaped frame 11 to move, the L-shaped frame 11 drives the connecting plate 10 to move, and the connecting plate 10 drives the polytetrafluoroethylene sealing plug 9 to move, so that the polytetrafluoroethylene sealing plug 9 is removed from the sulfuric acid bottle 7, and then the sulfuric acid flows into the reactor 1. In this way, during the addition of sulfuric acid, sulfuric acid can be prevented from splashing out, and the operator is effectively protected. After the addition is completed, the electric telescopic rod 12 is started to make the polytetrafluoroethylene sealing plug 9 re-inserted into the sulfuric acid bottle 7.

[0045] The above is a detailed introduction to a synthesis catalytic device for allyl hexanoate provided by the utility model. The principle and implementation method of the utility model are described in detail using specific embodiments. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A catalytic synthesis device for allyl hexanoate, characterized in that: include: A reaction kettle (1), wherein a sulfuric acid adding mechanism is provided on the reaction kettle (1); The sulfuric acid adding mechanism comprises a placement cylinder (6), a sulfuric acid bottle (7), a polytetrafluoroethylene sealing plug (9), a connecting plate (10), an L-shaped frame (11), an electric telescopic rod (12), a rectangular frame (13) and a stabilizing component; The placement tube (6) is fixedly mounted on the reaction kettle (1); the sulfuric acid bottle (7) is clamped with the placement tube (6); a polytetrafluoroethylene sealing plug (9) is sealed and contacted on the sulfuric acid bottle (7); the connecting plate (10) is fixedly connected to the polytetrafluoroethylene sealing plug (9) and the L-shaped frame (11); the electric telescopic rod (12) is fixedly mounted on the placement tube (6); the telescopic end of the electric telescopic rod (12) is fixedly connected to the rectangular frame (13); and the L-shaped frame (11) is clamped with the rectangular frame (13).

2. A catalytic synthesis device for allyl hexanoate according to claim 1, characterized in that: The stabilizing assembly comprises a fixed cover (14), a square plate (15) and a limit block (16); the sulfuric acid bottle (7) is clamped with the fixed cover (14); the square plate (15) is fixedly mounted on the bottom of the fixed cover (14); the side of the limit block (16) is fixedly connected to the rectangular frame (13); a limit hole (17) is provided on the side of the square plate (15); and the limit block (16) is adapted to fit the limit hole (17).

3. A catalytic synthesis device for allyl hexanoate according to claim 2, characterized in that: The bottom end of the fixed cover (14) contacts the placement tube (6), the top end of the placement tube (6) is provided with a square hole (18), and the square plate (15) is clamped in the square hole (18).

4. A catalytic synthesis device for allyl hexanoate according to claim 1, characterized in that: An auxiliary hole (19) is formed at the top of the placement tube (6), and the L-shaped frame (11) is located directly below the auxiliary hole (19).

5. A catalytic synthesis device for allyl hexanoate according to claim 1, characterized in that: A bottom groove (8) is provided at the bottom end of the placement tube (6), a rectangular frame (13) is located in the bottom groove (8), and a through hole is provided on the side wall of the bottom groove (8).

6. A catalytic synthesis device for allyl hexanoate according to claim 1, characterized in that: A power motor (2) is fixedly arranged at the top of the reaction kettle (1), and a stirring element (3) is fixedly arranged at the output end of the power motor (2).

7. A catalytic synthesis device for allyl hexanoate according to claim 1, characterized in that: A caproic acid feed pipe (4) and an propylene alcohol feed pipe (5) are fixedly arranged at the top of the reaction kettle (1), and threaded covers are threadedly connected to the caproic acid feed pipe (4) and the propylene alcohol feed pipe (5).

8. A catalytic synthesis device for allyl hexanoate according to claim 1, characterized in that: The reactor (1) is fixedly provided with a discharge pipe, and a valve is installed on the discharge pipe.

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