Cooling device for maleic anhydride reaction

Abstract

The utility model discloses a cooling device for maleic anhydride reaction, which comprises a cooling box, an upper cover is mounted at the upper end of the cooling box, the upper cover is connected with the cooling box through two connecting mechanisms, a plurality of first cooling guide plates and a plurality of second cooling guide plates are arranged on the inner wall of the cooling box, and the first cooling guide plates and the second cooling guide plates are connected through two connecting mechanisms. The multiple first cooling flow guide plates and the multiple second cooling flow guide plates are arranged in a staggered mode, the upper ends of the first cooling flow guide plates are fixedly connected with the upper cover, the second cooling flow guide plates are fixed to the upper cover, and the lower ends of the second cooling flow guide plates abut against the inner bottom of the cooling box. And a cooling device for cooling the first cooling guide plate and the second cooling guide plate is mounted on the upper cover. According to the utility model, the snake-shaped cavity formed by the first cooling guide plates and the second cooling guide plates which are distributed in a staggered manner is arranged, so that the moving speed of gas is greatly reduced, and the cooling effect on the gas is better.

Description

Technical Field

[0001] The utility model relates to the technical field of maleic anhydride reaction cooling, in particular to a cooling device for maleic anhydride reaction. Background Art

[0002] Maleic anhydride is a commonly used and important basic organic chemical raw material. It is the third largest anhydride raw material in the world, after acetic anhydride and phthalic anhydride. It is used in the manufacture of automotive parts, ships, corrosion-resistant chemical equipment, and daily necessities. It is also a key intermediate in the production of lubricant additives, coatings, pesticides, fumaric acid, copolymers, and food additives.

[0003] The prior art publication number CN205940228U is a cooling device for maleic anhydride reaction, comprising a shell, a gas inlet being provided at the left end of the shell, a gas outlet being provided at the right end of the shell, a plurality of cooling tube bundles being staggered on the upper and lower sides of the shell, a diverter plate being provided at the gas inlet, a diverter plate being provided at the gas outlet, an exhaust pipe being provided between the right end of the cooling tube bundle and the diverter plate, and an exhaust valve being provided on the exhaust pipe; the utility model is a cooling device for maleic anhydride reaction with a simple structure, safety and reliability, ease of use and low cost.

[0004] The above-mentioned prior art has the disadvantage that the gas is cooled by a simple cooling tube bundle. Since the gas is in contact with the cooling tube bundle for a short time, the cooling effect of the gas is poor. Therefore, the present application proposes a cooling device for maleic anhydride reaction. Utility Model Content

[0005] The purpose of the utility model is to solve the above technical problems and to propose a cooling device for maleic anhydride reaction.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A cooling device for maleic anhydride reaction, comprising a cooling box, wherein an upper cover is installed at the upper end of the cooling box, and the upper cover is connected to the cooling box via two connecting mechanisms; the inner wall of the cooling box is provided with a plurality of first cooling guide plates and a plurality of second cooling guide plates, and the plurality of first cooling guide plates and the plurality of second cooling guide plates are arranged in an alternating manner; the upper ends of the first cooling guide plates are fixedly connected to the upper cover; the second cooling guide plates are fixed on the upper cover and their lower ends are abutted against the inner bottom of the cooling box; and a cooling device for supplying cooling to the first cooling guide plates and the second cooling guide plates is installed on the upper cover.

[0008] Preferably, an air inlet pipe and an air outlet pipe are respectively installed at both ends of the cooling box, and connecting flanges are installed on the air inlet pipe and the air outlet pipe.

[0009] Preferably, the connection mechanism includes a connection frame fixed to the bottom of the upper cover, the connection frame is provided with a lock slot, and a slidably arranged lock pin is passed through the cooling box, and the lock pin is slidably connected in the lock slot.

[0010] Preferably, a spring is fixed on the locking pin, and the other end of the spring is connected to the cooling box.

[0011] Preferably, the upper ends of the first cooling guide plate and the second cooling guide plate are arranged in cooperation with the connection frame.

[0012] Preferably, a strip groove is provided through the bottom of the second cooling guide plate.

[0013] Preferably, it also includes a lifting mechanism, which includes a support base arranged at the bottom of the cooling box, four electric push rods fixed on the support base, and a mounting plate fixed to the output ends of the four electric push rods, and the cooling box is fixed on the mounting plate.

[0014] Preferably, a synchronization device is installed on the support seat, and the synchronization device is connected to four electric push rods.

[0015] Preferably, it further comprises four moving mechanisms, which are distributed in a rectangular shape at the bottom of the support base.

[0016] Preferably, the moving mechanism includes a mounting frame fixed to the bottom of the support base, and the mounting frame is equipped with moving wheels.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The gas moves along the serpentine chamber formed by the first cooling guide plate and the second cooling guide plate, which greatly reduces the moving speed of the gas. The gas can be cooled by the first cooling guide plate and the second cooling guide plate.

[0019] 2. Pull the lock pin out of the lock slot. The connecting frame is no longer limited and can be removed by moving it upwards. The operation is simple and convenient, making it convenient for repairing the first cooling guide plate and the second cooling guide plate or cleaning the inside of the cooling box.

[0020] 3. When the height of the cooling box needs to be adjusted, or the air inlet and outlet pipes need to be installed, or the refrigeration equipment needs to be repaired, starting the electric push rod can move the mounting plate and the cooling box down to facilitate processing by the staff.

[0021] 4. The flexibility of the entire device can be increased by setting four moving wheels so that the entire device can be moved

[0022] In summary, the utility model greatly reduces the moving speed of the gas and has a better cooling effect on the gas by arranging the serpentine chamber formed by the staggered first cooling guide plates and the second cooling guide plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic structural diagram of a cooling device for maleic anhydride reaction proposed in Example 1;

[0024] Figure 2 This is a disassembled diagram of a cooling device for maleic anhydride reaction proposed in Example 1;

[0025] Figure 3 A cross-sectional view of a cooling device for maleic anhydride reaction proposed in Example 1;

[0026] Figure 4 This is a schematic structural diagram of a cooling device for maleic anhydride reaction proposed in Example 2;

[0027] Figure 5 This is a schematic structural diagram of a cooling device for maleic anhydride reaction proposed in Example 3.

[0028] In the figure: 1 cooling box, 2 upper cover, 3 cooling device, 4 locking pin, 5 spring, 6 air inlet pipe, 7 locking groove, 8 first cooling guide plate, 9 second cooling guide plate, 10 connecting frame, 11 air outlet pipe, 12 strip groove, 13 mounting plate, 14 support base, 15 electric push rod, 16 moving wheel. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-Figure 3 A cooling device for maleic anhydride reaction includes a cooling box 1, with an air inlet pipe 6 and an air outlet pipe 11 installed at both ends of the cooling box 1, and connecting flanges are installed on the air inlet pipe 6 and the air outlet pipe 11 to connect with external pipelines through the connecting flanges.

[0031] The upper end of the cooling box 1 is provided with an upper cover 2, the upper cover 2 is connected with the cooling box 1 through two connecting mechanisms, the connecting mechanisms comprise a connecting frame 10 fixed on the bottom of the upper cover 2, the connecting frame 10 is provided with a locking groove 7, the cooling box 1 is provided with a locking pin 4 which is slidingly arranged and penetrates through the cooling box 1, the locking pin 4 is slidingly connected in the locking groove 7, the locking pin 4 is fixed with a spring 5, the other end of the spring 5 is connected with the cooling box 1, so that the locking pin 4 is stably inserted in the locking groove 7; when the first cooling guide plate 8 and the second cooling guide plate 9 need to be overhauled or the inside of the cooling box 1 needs to be cleaned, the staff pulls the locking pin 4 to make it separate from the locking groove 7, at this time, the connecting frame 10 is no longer limited in position and can be removed by moving upward, which is simple and convenient to operate.

[0032] The inner wall of the cooling box 1 is provided with a plurality of first cooling guide plates 8 and a plurality of second cooling guide plates 9, the plurality of first cooling guide plates 8 and the plurality of second cooling guide plates 9 are arranged in a staggered manner, and the upper ends of the first cooling guide plates 8 and the second cooling guide plates 9 are arranged in cooperation with the connecting frame 10.

[0033] The upper end of the first cooling guide plate 8 is fixedly connected with the upper cover 2, the second cooling guide plate 9 is fixed on the upper cover 2 and the lower end thereof abuts against the inner bottom of the cooling box 1, and the upper cover 2 is provided with a cooling supply device 3 for supplying cooling to the first cooling guide plate 8 and the second cooling guide plate 9, and a coiled pipe can be arranged in the first cooling guide plate 8 and the second cooling guide plate 9, the cooling supply device 3 supplies cooling water into the coiled pipe to realize cooling of the first cooling guide plate 8 and the second cooling guide plate 9, and the gas can be cooled.

[0034] The gas enters into the cooling box 1 through the gas inlet pipe 6, the gas is guided by the first cooling guide plate 8 and the second cooling guide plate 9, and moves along the coiled chamber formed by the first cooling guide plate 8 and the second cooling guide plate 9, so that the moving speed of the gas is greatly reduced, the gas can be cooled by the first cooling guide plate 8 and the second cooling guide plate 9, and due to the first cooling guide plate 8 and the second cooling guide plate 9, the inner bottom of the cooling box 1 is communicated, so that a liquid discharge pipe can be arranged on one side of the bottom of the cooling box 1 to discharge liquid.

[0035] As described above, the coiled chamber formed by the staggered first cooling guide plate 8 and the second cooling guide plate 9 greatly reduces the moving speed of the gas and has a better cooling effect on the gas.

[0036] Example 2

[0037] Reference Figure 4The present embodiment differs from the first embodiment in that the present embodiment further includes a lifting mechanism, which includes a support base 14 provided at the bottom of the cooling box 1, four electric push rods 15 being fixed on the support base 14, a mounting plate 13 being fixed to the output ends of the four electric push rods 15, the cooling box 1 being fixed on the mounting plate 13, a synchronizing device being installed on the support base 14, and the synchronizing device being connected to the four electric push rods 15;

[0038] The synchronization device is a synchronization controller. The synchronization controller can realize the synchronous movement of the electric push rods. The synchronization controller can control the movement time, movement distance and other parameters of different electric push rods through programming, thereby realizing synchronous movement;

[0039] During use, when the height of the cooling box 1 needs to be adjusted, or the air inlet pipe 6, the air outlet pipe 11 and the pipeline need to be installed, or the refrigeration equipment 3 needs to be repaired, starting the electric push rod 15 can move the mounting plate 13 and the cooling box 1 downward to facilitate processing by the staff.

[0040] Example 3

[0041] Reference Figure 5 The difference between this embodiment and embodiments 1 and 2 is that this embodiment further includes four moving mechanisms, which are distributed in a rectangular shape at the bottom of the support base 14. The moving mechanism includes a mounting frame fixed to the bottom of the support base 14, and a moving wheel 16 is installed on the mounting frame;

[0042] The flexibility of the entire device can be increased by providing four moving wheels 16 so that the entire device can be moved.

[0043] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A cooling device for maleic anhydride reaction, comprising a cooling box (1), characterized in that: An upper cover (2) is installed at the upper end of the cooling box (1), and the upper cover (2) is connected to the cooling box (1) through two connecting mechanisms. The inner wall of the cooling box (1) is provided with a plurality of first cooling guide plates (8) and a plurality of second cooling guide plates (9). The plurality of first cooling guide plates (8) and the plurality of second cooling guide plates (9) are staggered. The upper end of the first cooling guide plate (8) is fixedly connected to the upper cover (2), and the second cooling guide plate (9) is fixed on the upper cover (2) and its lower end is against the inner bottom of the cooling box (1). A cooling device (3) for supplying cooling to the first cooling guide plates (8) and the second cooling guide plates (9) is installed on the upper cover (2).

2. A cooling device for maleic anhydride reaction according to claim 1, characterized in that, An air inlet pipe (6) and an air outlet pipe (11) are respectively installed at both ends of the cooling box (1), and connecting flanges are installed on the air inlet pipe (6) and the air outlet pipe (11).

3. A cooling device for maleic anhydride reaction according to claim 1, characterized in that, The connection mechanism comprises a connection frame (10) fixed to the bottom of the upper cover (2), a lock slot (7) being provided on the connection frame (10), a slidably arranged lock pin (4) being passed through the cooling box (1), and the lock pin (4) being slidably connected in the lock slot (7).

4. A cooling device for maleic anhydride reaction according to claim 3, characterized in that: A spring (5) is fixed on the lock pin (4), and the other end of the spring (5) is connected to the cooling box (1).

5. A cooling device for maleic anhydride reaction according to claim 3, characterized in that: The upper ends of the first cooling guide plate (8) and the second cooling guide plate (9) are arranged in cooperation with the connection frame (10).

6. A cooling device for maleic anhydride reaction according to claim 1, characterized in that: A strip-shaped groove (12) is provided through the bottom of the second cooling guide plate (9).

7. A cooling device for maleic anhydride reaction according to claim 1, characterized in that: The cooling box (1) is also provided with a lifting mechanism, wherein the lifting mechanism includes a support base (14) arranged at the bottom of the cooling box (1), four electric push rods (15) are fixed on the support base (14), and a mounting plate (13) is fixed to the output ends of the four electric push rods (15), and the cooling box (1) is fixed on the mounting plate (13).

8. A cooling device for maleic anhydride reaction according to claim 7, characterized in that: A synchronization device is installed on the support seat (14), and the synchronization device is connected to four electric push rods (15).

9. A cooling device for maleic anhydride reaction according to claim 8, characterized in that: It also includes four moving mechanisms, which are distributed in a rectangular shape at the bottom of the support seat (14).

10. A cooling device for maleic anhydride reaction according to claim 9, characterized in that: The moving mechanism comprises a mounting frame fixed to the bottom of the support seat (14), and a moving wheel (16) is mounted on the mounting frame.

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