Methyl acetate hydrolysis device

Abstract

The utility model discloses a methyl acetate hydrolysis device, relates to the technical field of hydrolysis devices, and aims to solve the problems that in the prior art, when methyl acetate is hydrolyzed, the heat transfer efficiency is low, the methyl acetate cannot be stably and uniformly heated, and the production efficiency is influenced. The device comprises a bottom box, a hydrolysis box is fixedly installed above the bottom box, a hydrolysis cavity is formed in the hydrolysis box, a stand column is arranged in the hydrolysis cavity, blades are fixedly installed on the outer side of the stand column, a bottom block is fixedly installed below the stand column, a placing base is arranged below the bottom block, and the placing base is rotationally connected with the hydrolysis box. A bottom block is arranged on the upper portion of the hydrolysis tank, an inserting groove is formed in the bottom block, the inserting groove is a triangular groove, an inserting column is arranged in the inserting groove, the inserting column is fixedly connected with the placing base, a sealing cover is fixedly installed on the upper portion of the hydrolysis tank through screws, and a top base is fixedly installed in the middle of the lower portion of the sealing cover.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrolysis devices, in particular to a methyl acetate hydrolysis device. Background Art

[0002] Methyl acetate, also known as methyl acetate, is an organic chemical material. Methyl acetate is widely used in industry. When methyl acetate is used, acetic acid and methanol are often prepared by hydrolyzing methyl acetate.

[0003] For example, the authorized patent with announcement number CN217164423U (a methyl acetate hydrolysis device) comprises a base, a distillation tower is fixedly provided on the top of the base, mixing tanks are fixedly provided on both sides of the inner wall of the distillation tower, a temperature sensor is fixedly provided on one side of the inner wall of the mixing tank, a heating device is fixedly provided on the bottom end of the inner wall of the distillation tower, a water inlet pipe is fixedly provided on one side of the distillation tower, and the water inlet pipe is connected to the mixing tank, a feed box is fixedly provided on the top of the base, guide rods are fixedly provided on both ends of the inner wall of the feed box, an extrusion plate is slidably provided on the top of the guide rod, a feed pipe is fixedly provided on the top of the feed box, an air pump is fixedly connected to one side of the bottom end of the feed box, an air pipe is fixedly provided on the top of the distillation tower, a separation tower is fixedly provided on one end of the air pipe, and a condenser is connected to one side of the separation tower;

[0004] Although the above-mentioned existing technology reduces labor consumption and improves the heat generation and evaporation effect, it has low heat transfer efficiency during the hydrolysis of methyl acetate and cannot stably and evenly heat methyl acetate, which affects production efficiency. Therefore, the market urgently needs to develop a methyl acetate hydrolysis device to help people solve the existing problems. Summary of the Invention

[0005] The purpose of the present utility model is to provide a methyl acetate hydrolysis device to solve the problem raised in the above-mentioned background art that the heat transfer efficiency is low during the hydrolysis of methyl acetate, the methyl acetate cannot be heated stably and evenly, and the production efficiency is affected.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a methyl acetate hydrolysis device, comprising a bottom box, a hydrolysis box fixedly installed on the top of the bottom box, a hydrolysis chamber provided inside the hydrolysis box, a column provided inside the hydrolysis chamber, blades fixedly installed on the outside of the column, a bottom block fixedly installed below the column, a placement seat provided below the bottom block, the placement seat being rotatably connected to the hydrolysis box, a slot provided inside the bottom block, the slot being configured as a triangular groove, a column provided inside the slot, and the column fixedly connected to the placement seat.

[0007] Preferably, a cover is fixedly installed on the top of the hydrolysis box by screws, and a top seat is fixedly installed in the middle below the cover. A through hole is provided inside the top seat, and the inner diameter of the through hole of the top seat matches the outer diameter of the column. The upper end of the column extends into the through hole of the top seat.

[0008] Preferably, a convex cover is fixedly installed in the middle above the cover, an air hole is provided inside the cover along the bottom of the convex cover, and an exhaust pipe is fixedly installed above the convex cover.

[0009] Preferably, heating chambers are symmetrically arranged on both sides of the hydrolysis chamber inside the hydrolysis box, electric heating tubes are arranged inside the heating chambers, and a heat conductive block is attached to one side of the electric heating tube, and the heat conductive block is fixedly connected to the hydrolysis box.

[0010] Preferably, a heat sink is fixedly mounted on one side of the heat conductive block, and a plurality of heat sinks are provided. The heat sinks penetrate into the interior of the hydrolysis chamber, and a heat insulating layer is provided on the outside of the interior of the heating chamber.

[0011] Preferably, a feeding pipe is provided above one side of the hydrolysis box, one end of which passes into the interior of the hydrolysis chamber; a drain pipe is provided below one side of the hydrolysis box, one end of which passes into the interior of the hydrolysis chamber.

[0012] Preferably, a perspective window is fixedly installed at the front end of the hydrolysis box, a temperature sensor is fixedly installed below the hydrolysis chamber of the hydrolysis box, a motor cavity is provided inside the bottom box, an electric motor is fixedly installed inside the motor cavity of the bottom box, the output end of the motor is fixedly connected to the mounting seat, and a bottom cover is fixedly installed below the bottom box by screws.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] When methyl acetate is hydrolyzed, the utility model can drive the blades to rotate by driving the provided upright column to stir the hydrolysis chamber, which is beneficial to the uniform heating and evaporation of methyl acetate. At the same time, the insertion column of the triangular prism structure cooperates with the slot of the triangular groove, which not only improves the installation stability, but also enhances the stability of the upright column during the rotation process, ensuring a more uniform stirring effect, which is beneficial to the uniform heating and evaporation of methyl acetate and improves the hydrolysis efficiency.

[0015] The utility model realizes efficient heating of the inside of the hydrolysis chamber by using a combination of electric heating tubes, heat-conducting blocks and heat sinks in the heating chamber. The heat-conducting blocks and heat sinks made of die-cast aluminum alloy have good thermal conductivity and can quickly transfer heat to the methyl acetate in the hydrolysis chamber, promoting its thermal evaporation and hydrolysis reaction. At the same time, the provision of the thermal insulation layer reduces heat loss and improves energy utilization efficiency.

[0016] The utility model provides a perspective window, which makes it easy to observe the conditions inside the hydrolysis chamber at any time, such as the state of the reactants, the stirring effect, etc., and the temperature sensor can monitor the temperature inside the hydrolysis chamber in real time, which is beneficial to the hydrolysis of methyl acetate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a methyl acetate hydrolysis device of the present utility model;

[0018] Figure 2 This is a cross-sectional view of a methyl acetate hydrolysis device of the present utility model;

[0019] Figure 3 It is an enlarged schematic diagram of part A of the present utility model;

[0020] Figure 4 It is a cross-sectional view of the bottom block of the present utility model.

[0021] In the figure: 1. bottom box; 2. hydrolysis box; 201. hydrolysis chamber; 202. heating chamber; 3. feeding pipe; 4. perspective window; 5. cover; 501. air hole; 6. convex cover; 7. exhaust pipe; 8. column; 9. blade; 10. bottom block; 1001. slot; 11. placement seat; 12. top seat; 13. temperature sensor; 14. motor; 15. bottom cover; 16. drain pipe; 17. electric heating pipe; 18. heat conducting block; 19. heat sink; 20. thermal insulation layer; 21. plug column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] See also Figure 1-4 The utility model provides an embodiment of a methyl acetate hydrolysis device, comprising a bottom box 1, a hydrolysis box 2 is fixedly installed above the bottom box 1, a hydrolysis chamber 201 is provided inside the hydrolysis box 2, a column 8 is provided inside the hydrolysis chamber 201, a blade 9 is fixedly installed on the outside of the column 8, a bottom block 10 is fixedly installed below the column 8, a placement seat 11 is provided below the bottom block 10, the placement seat 11 is rotatably connected to the hydrolysis box 2, a slot 1001 is provided inside the bottom block 10, the slot 1001 is configured as a triangular groove, a column 21 is provided inside the slot 1001, the column 21 is fixedly connected to the placement seat 11, the column 21 is configured as a triangular prism, and through the cooperation of the column 21 and the slot 1001, the column 8 is conveniently installed on the placement seat 11, which is conducive to the disassembly and cleaning of the column 8 and the blade 9.

[0024] During use, when methyl acetate is hydrolyzed, the driving column 8 can drive the blade 9 to rotate to stir the hydrolysis chamber 201, which is beneficial to the uniform heating and evaporation of methyl acetate. At the same time, the triangular prism structure of the column 21 cooperates with the triangular groove slot 1001, which not only improves the installation stability, but also enhances the stability of the column 8 during the rotation process, ensuring a more uniform stirring effect, which is beneficial to the uniform heating and evaporation of methyl acetate and improves the hydrolysis efficiency.

[0025] Furthermore, a cover 5 is fixedly installed on the top of the hydrolysis box 2 by screws to prevent steam leakage during the hydrolysis process. A top seat 12 is fixedly installed in the middle below the cover 5. A through hole is provided inside the top seat 12. The inner diameter of the through hole of the top seat 12 matches the outer diameter of the column 8. The upper end of the column 8 extends into the through hole of the top seat 12. The column 8 passes through the through hole of the top seat 12, which improves the stability of the column 8 during rotation and is conducive to the smooth progress of the hydrolysis reaction of methyl acetate.

[0026] Furthermore, a convex cover 6 is fixedly installed in the middle above the cover 5, and an air hole 501 is provided inside the cover 5 along the bottom of the convex cover 6. An exhaust pipe 7 is fixedly installed above the convex cover 6. The exhaust pipe 7 is externally connected to a separation tower to facilitate the treatment of steam generated by the hydrolysis of methyl acetate. The combination of the convex cover 6, the air hole 501 and the exhaust pipe 7 guides the steam generated by the hydrolysis into the separation tower through the exhaust pipe 7 for subsequent treatment, avoiding the accumulation of steam inside the device, reducing the interference of steam on the hydrolysis process, improving the continuity and efficiency of the hydrolysis process, and also facilitating the collection and treatment of subsequent products.

[0027] Furthermore, the interior of the hydrolysis box 2 is symmetrically provided with heating chambers 202 along both sides of the hydrolysis chamber 201, and the interior of the heating chamber 202 is provided with an electric heating pipe 17. A heat conducting block 18 is fitted on one side of the electric heating pipe 17. The heat conducting block 18 is fixedly connected to the hydrolysis box 2. A heat sink 19 is fixedly installed on one side of the heat conducting block 18, and a plurality of heat sinks 19 are provided. The plurality of heat sinks 19 are arranged vertically. The heat conducting block 18 and the heat sink 19 are both made of die-cast aluminum alloy to improve the thermal conductivity. Through the action of the heat conducting block 18, the heat of the electric heating pipe 17 can be quickly transferred to the heat sink 19, and then released into the hydrolysis chamber 201 through the heat sink 19. Heat is beneficial to the heating of methyl acetate during the hydrolysis process. The heat sink 19 penetrates into the interior of the hydrolysis chamber 201. The outside of the interior of the heating chamber 202 is provided with a heat insulation layer 20. The heat insulation layer 20 is made of rock wool material. The combination of the electric heating pipe 17, the heat conductive block 18 and the heat sink 19 in the heating chamber 202 realizes efficient heating of the interior of the hydrolysis chamber 201. The heat conductive block 18 and the heat sink 19 made of die-cast aluminum alloy have good thermal conductivity and can quickly transfer heat to the methyl acetate in the hydrolysis chamber 201, promoting its thermal evaporation and hydrolysis reaction. At the same time, the setting of the heat insulation layer 20 reduces heat loss and improves energy utilization efficiency.

[0028] Furthermore, a feeding pipe 3 is provided above one side of the hydrolysis box 2, and one end of the feeding pipe 3 passes into the interior of the hydrolysis chamber 201. A drain pipe 16 is provided below one side of the hydrolysis box 2, and one end of the drain pipe 16 passes into the interior of the hydrolysis chamber 201. An electric valve is provided on the drain pipe 16. The arrangement of the feeding pipe 3 and the drain pipe 16 makes the addition of methyl acetate and the discharge of the product convenient and quick.

[0029] Furthermore, a perspective window 4 is fixedly installed at the front end of the hydrolysis box 2. The setting of the perspective window 4 makes it convenient to observe the situation inside the hydrolysis chamber 201 at any time, such as the state of the reactants, the stirring effect, etc. A temperature sensor 13 is fixedly installed below the hydrolysis chamber 201 of the hydrolysis box 2. The temperature sensor 13 is a pt100 temperature sensor. The configuration of the temperature sensor 13 can monitor the temperature inside the hydrolysis chamber 201 in real time. A motor cavity is provided inside the bottom box 1. A motor 14 is fixedly installed inside the motor cavity of the bottom box 1. The output end of the motor 14 is fixedly connected to the placement seat 11. A bottom cover 15 is fixedly installed at the bottom of the bottom box 1 by screws. The setting of the bottom cover 15 is conducive to the inspection and maintenance of the motor 14.

[0030] Working principle: When in use, methyl acetate, catalyst and water enter the hydrolysis chamber 201 in the hydrolysis box 2 through the feeding pipe 3. The interior of the hydrolysis chamber 201 is heated by the combination of the electric heating tube 17, the heat conducting block 18 and the heat sink 19 in the heating chamber 202, and the column 8 is driven to rotate, thereby driving the blade 9 to stir the methyl acetate in the hydrolysis chamber 201. The methyl acetate is gradually hydrolyzed and produces steam, which is discharged through the exhaust pipe 7 on the convex cover 6 on the cover 5.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A methyl acetate hydrolysis device, comprising a bottom box (1), characterized in that: A hydrolysis box (2) is fixedly installed above the bottom box (1), a hydrolysis chamber (201) is provided inside the hydrolysis box (2), a column (8) is provided inside the hydrolysis chamber (201), a blade (9) is fixedly installed on the outside of the column (8), a bottom block (10) is fixedly installed below the column (8), a placement seat (11) is provided below the bottom block (10), the placement seat (11) is rotatably connected to the hydrolysis box (2), a slot (1001) is provided inside the bottom block (10), the slot (1001) is provided as a triangular groove, a plug post (21) is provided inside the slot (1001), and the plug post (21) is fixedly connected to the placement seat (11).

2. A methyl acetate hydrolysis device according to claim 1, characterized in that: A cover (5) is fixedly installed on the top of the hydrolysis box (2) by screws, and a top seat (12) is fixedly installed in the middle below the cover (5). A through hole is provided inside the top seat (12), and the inner diameter of the through hole of the top seat (12) matches the outer diameter of the column (8). The upper end of the column (8) extends into the through hole of the top seat (12).

3. A methyl acetate hydrolysis device according to claim 2, characterized in that: A convex cover (6) is fixedly mounted in the middle above the cover (5), an air hole (501) is provided inside the cover (5) along the bottom of the convex cover (6), and an exhaust pipe (7) is fixedly mounted above the convex cover (6).

4. A methyl acetate hydrolysis device according to claim 1, characterized in that: The interior of the hydrolysis box (2) is symmetrically provided with heating chambers (202) along both sides of the hydrolysis chamber (201), and the interior of the heating chamber (202) is provided with an electric heating pipe (17). A heat conducting block (18) is provided on one side of the electric heating pipe (17), and the heat conducting block (18) is fixedly connected to the hydrolysis box (2).

5. A methyl acetate hydrolysis device according to claim 4, characterized in that: A heat sink (19) is fixedly mounted on one side of the heat conducting block (18), and a plurality of heat sinks (19) are provided. The heat sink (19) penetrates into the interior of the hydrolysis chamber (201), and a heat insulating layer (20) is provided on the outside of the interior of the heating chamber (202).

6. A methyl acetate hydrolysis device according to claim 1, characterized in that: A feeding pipe (3) is provided above one side of the hydrolysis box (2), and one end of the feeding pipe (3) passes through the interior of the hydrolysis chamber (201). A drainage pipe (16) is provided below one side of the hydrolysis box (2), and one end of the drainage pipe (16) passes through the interior of the hydrolysis chamber (201).

7. A methyl acetate hydrolysis device according to claim 1, characterized in that: A perspective window (4) is fixedly installed at the front end of the hydrolysis box (2), a temperature sensor (13) is fixedly installed below the hydrolysis chamber (201) of the hydrolysis box (2), a motor chamber is provided inside the bottom box (1), an electric motor (14) is fixedly installed inside the motor chamber of the bottom box (1), an output end of the electric motor (14) is fixedly connected to the placement seat (11), and a bottom cover (15) is fixedly installed below the bottom box (1) by screws.

Images