Butylene sulfone catalytic hydrogenation reaction device for synthesis of sulfolane

Abstract

The utility model relates to the technical field of catalytic hydrogenation reaction equipment, and discloses a sulfolane catalytic hydrogenation reaction device for sulfolane synthesis, which comprises a reaction tank, four support columns fixedly mounted at the bottom of the reaction tank, a mounting plate fixedly mounted among the four support columns, a feeding pipe fixedly mounted at the top of the reaction tank, and a feeding pipe fixedly mounted at the bottom of the reaction tank. A discharging pipe is fixedly mounted at the bottom of the reaction tank, a reaction mechanism is arranged in the reaction tank, a sealing mechanism is arranged at the top of the reaction tank, and three driven gears are meshed with a driving gear to drive the three stirring rollers to rotate while the three stirring rollers rotate, so that the stirring is more thorough, and the reaction is more sufficient; a rotating rod and a scraper blade are matched to rub the inner wall of the reaction tank, raw materials are prevented from being adhered to the inner wall of the reaction tank, the reaction is more thorough, and the two sealing sleeves are mounted under the action of bolts B, so that hydrogen is kept sealed when entering a hydrogen injection pipe, and hydrogen leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of catalytic hydrogenation reaction equipment, in particular to a sulfolene catalytic hydrogenation reaction device for sulfolane synthesis. Background Art

[0002] Sulfolane is a colorless transparent liquid and an excellent aprotic polar solvent. The industrial production of sulfolane is based on 1,3-butadiene and SO 2 As raw materials, water, benzene, dioxane, alcohol, ketone, etc. are used as solvents. Cyclobutene sulfone-3 is first generated through Diels-Alder reaction, and then catalytic hydrogenation is carried out at low temperature over a skeletal nickel catalyst.

[0003] At present, the industrial production of sulfolane in my country is produced by hydrogenation of sulfolane using water as solvent and skeleton nickel as catalyst. However, when the reaction device is in use, the added catalyst cannot dissolve quickly when reacting with the liquid, which reduces the reaction speed and affects the processing progress. Therefore, it is necessary to improve a sulfolane catalytic hydrogenation reaction device for sulfolane synthesis to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a sulfolene catalytic hydrogenation reaction device for sulfolane synthesis to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sulfolane catalytic hydrogenation reaction device for sulfolane synthesis, comprising a reaction tank, four support columns are fixedly installed at the bottom of the reaction tank, a mounting plate is fixedly installed between the four support columns, a feed pipe is fixedly installed at the top of the reaction tank, a discharge pipe is fixedly installed at the bottom of the reaction tank, a reaction mechanism is arranged inside the reaction tank, and a sealing mechanism is arranged at the top of the reaction tank.

[0006] The reaction mechanism comprises a rotating component and a mixing component, and the mixing component is arranged inside the rotating component.

[0007] Preferably, the rotating assembly includes a motor, which is fixedly mounted on the top of the mounting plate, a bevel gear A is fixedly mounted on the output end of the motor, a rotating column A is rotatably mounted inside the reaction tank, a bevel gear B is fixedly mounted outside the rotating column A, a rotating block is fixedly mounted on the top of the rotating column A, a rotating rod is fixedly mounted outside the rotating column A, two springs are fixedly mounted inside the rotating rod, a slider is fixedly mounted on one end of the two springs away from the rotating rod, a scraper is arranged inside the slider, and a bolt A is installed on the internal thread of the slider to install the scraper.

[0008] Preferably, the bolt A is threadedly installed inside the scraper, the bottom of the rotating rod contacts the inner wall of the reaction tank, the scraper contacts the inner wall of the reaction tank, the slider is slidably installed inside the rotating rod, and the bevel gear A is meshed with the bevel gear B, so that the rotating column A drives the rotating block to rotate.

[0009] Preferably, the mixing assembly includes a rotating column B, which is rotatably mounted inside a mounting plate, a bevel gear C is fixedly mounted on the outside of the rotating column B, a main gear is fixedly mounted on the top of the rotating column B, three slave gears are meshed on the outside of the main gear, and stirring rollers are fixedly mounted on the bottoms of the three slave gears to stir the raw materials, making the mixing more uniform and the reaction faster.

[0010] Preferably, the three stirring rollers are rotatably installed inside the rotating block, the three slave gears and the main gear are arranged inside the rotating block, the rotating column B is rotatably installed inside the rotating column A, and the bevel gear C is meshed with the bevel gear A, so that the rotating column B drives the main gear to rotate.

[0011] Preferably, the sealing mechanism includes a hydrogen injection tube, which is fixedly installed on the top of the reaction tank. An external tube is provided on the top of the hydrogen injection tube, a sealing ring is provided between the hydrogen injection tube and the external tube, and two sealing sleeves are provided on the outside of the hydrogen injection tube. Bolts B are installed on the internal threads of the sealing sleeves to complete the installation of the two sealing sleeves.

[0012] Preferably, the bolt B is threadedly installed inside the two sealing sleeves, the hydrogen injection pipe is in contact with the external pipe, and sealing grooves are provided at corresponding positions of the hydrogen injection pipe, the external pipe and the sealing ring, and the sealing ring is arranged inside the sealing groove, so as to have stronger sealing performance.

[0013] Compared with the prior art, the utility model provides a sulfolene catalytic hydrogenation reaction device for sulfolane synthesis, which has the following beneficial effects:

[0014] 1. The sulfolane catalytic hydrogenation reaction device for sulfolane synthesis has a reaction mechanism, during use, through the cooperation of the bevel gear B, the bevel gear A, the rotating column A and the rotating block, the three stirring rollers are rotated, the three slave gears are meshed with the main gear, and the three stirring rollers are driven to rotate, so that the stirring is more thorough and the reaction is more sufficient, the rotating rod and the scraper cooperate to scrape the inner wall of the reaction tank, so as to prevent the raw materials from adhering to the inner wall of the reaction tank, and the reaction is more thorough.

[0015] 2. The sulfolane catalytic hydrogenation reaction device for sulfolane synthesis has a sealing mechanism. During use, a sealing ring is placed between the external pipe and the hydrogen injection pipe. The sealing sleeves are installed with the bolts B to keep the hydrogen sealed when entering the hydrogen injection pipe, thereby avoiding hydrogen leakage, waste and danger. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the exploded structure of the reaction mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the exploded structure of the rotating rod and its connected mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the exploded structure of the sealing mechanism of the utility model.

[0022] In the figure: 1. reaction tank; 2. support column; 3. mounting plate; 4. feed pipe; 5. discharge pipe; 6. reaction mechanism; 61. rotating assembly; 611. motor; 612. bevel gear A; 613. rotating column A; 614. bevel gear B; 615. rotating block; 616. rotating rod; 617. spring; 618. slider; 619. scraper; 6110. bolt A; 62. mixing assembly; 621. rotating column B; 622. bevel gear C; 623. main gear; 624. slave gear; 625. stirring roller; 7. sealing mechanism; 71. hydrogen injection pipe; 72. external pipe; 73. sealing ring; 74. sealing sleeve; 75. bolt B. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like 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, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0025] See also Figure 1-4 The utility model provides a technical solution: a sulfolane catalytic hydrogenation reaction device for sulfolane synthesis, comprising a reaction tank 1, four support columns 2 are fixedly installed at the bottom of the reaction tank 1, a mounting plate 3 is fixedly installed between the four support columns 2, a feed pipe 4 is fixedly installed at the top of the reaction tank 1, a discharge pipe 5 is fixedly installed at the bottom of the reaction tank 1, a reaction mechanism 6 is arranged inside the reaction tank 1, and a sealing mechanism 7 is arranged at the top of the reaction tank 1.

[0026] The reaction mechanism 6 includes a rotating assembly 61 and a mixing assembly 62 . The mixing assembly 62 is disposed inside the rotating assembly 61 .

[0027] Furthermore, the rotating assembly 61 includes a motor 611, which is fixedly mounted on the top of the mounting plate 3, a bevel gear A612 is fixedly mounted on the output end of the motor 611, a rotating column A613 is rotatably mounted inside the reaction tank 1, a bevel gear B614 is fixedly mounted outside the rotating column A613, a rotating block 615 is fixedly mounted on the top of the rotating column A613, a rotating rod 616 is fixedly mounted outside the rotating column A613, two springs 617 are fixedly mounted inside the rotating rod 616, a slider 618 is fixedly mounted on one end of the two springs 617 away from the rotating rod 616, a scraper 619 is arranged inside the slider 618, a bolt A6110 is installed on the internal thread of the slider 618, and the scraper 619 is installed.

[0028] Furthermore, the bolt A6110 is threadedly installed inside the scraper 619, the bottom of the rotating rod 616 contacts the inner wall of the reaction tank 1, the scraper 619 contacts the inner wall of the reaction tank 1, the slider 618 is slidably installed inside the rotating rod 616, and the bevel gear A612 is meshed with the bevel gear B614, so that the rotating column A613 drives the rotating block 615 to rotate.

[0029] Furthermore, the mixing assembly 62 includes a rotating column B621, which is rotatably installed inside the mounting plate 3, and a bevel gear C622 is fixedly installed on the outside of the rotating column B621. A main gear 623 is fixedly installed on the top of the rotating column B621, and three slave gears 624 are meshed on the outside of the main gear 623. Stirring rollers 625 are fixedly installed on the bottom of the three slave gears 624 to stir the raw materials, making the mixing more uniform and the reaction faster.

[0030] Furthermore, the three stirring rollers 625 are all rotatably installed inside the rotating block 615, the three slave gears 624 and the main gear 623 are all set inside the rotating block 615, the rotating column B621 is rotatably installed inside the rotating column A613, and the bevel gear C622 is meshed with the bevel gear A612, so that the rotating column B621 drives the main gear 623 to rotate. Example

[0031] See also Figure 5 , and combined with Example 1, it is further obtained that the sealing mechanism 7 includes a hydrogen injection tube 71, the hydrogen injection tube 71 is fixedly installed on the top of the reaction tank 1, an external tube 72 is provided on the top of the hydrogen injection tube 71, a sealing ring 73 is provided between the hydrogen injection tube 71 and the external tube 72, two sealing sleeves 74 are provided outside the hydrogen injection tube 71, and the internal threads of the sealing sleeves 74 are installed with bolts B75, and the two sealing sleeves 74 are installed.

[0032] Furthermore, the bolt B75 is threadedly installed inside the two sealing sleeves 74, the hydrogen injection pipe 71 is in contact with the external pipe 72, and sealing grooves are opened at corresponding positions of the hydrogen injection pipe 71, the external pipe 72 and the sealing ring 73, and the sealing ring 73 is arranged inside the sealing groove, so that the sealing performance is stronger.

[0033] In actual operation, when the device is used, the sealing ring 73 is placed inside the sealing groove of the hydrogen injection tube 71, and then the external tube 72 is fitted with the hydrogen injection tube 71, and the two sealing sleeves 74 wrap the hydrogen injection tube 71 and the external tube 72, and then the bolts B75 are tightened to complete the installation of the two sealing sleeves 74, so that the hydrogen is kept sealed when entering the hydrogen injection tube 71, and hydrogen leakage is avoided. Then the remaining raw materials are put into the reaction tank 1 through the feed pipe 4, and the motor 611 is started to drive the bevel gear A612 to rotate, and the bevel gear B614 is meshed with the bevel gear A612, so that the rotating column A613 drives the rotating block 615 to rotate, so that the three stirring rollers 625 rotate in position. At the same time, the bevel gear C622 is meshed with the bevel gear A612, so that the rotating column B621 drives the main gear 623 to rotate, and the three slave gears 624 are meshed with the main gear 623, driving the three stirring rollers 625 to rotate, so that the three stirring rollers 625 can switch positions and rotate to make the reaction more complete. The rotating column A613 drives the rotating rod 616 to rotate, and drives the two scrapers 619 to rotate. The rotating rod 616 and the scraper 619 cooperate to scrape the inner wall of the reaction tank 1 to prevent the raw materials from adhering to the inner wall of the reaction tank 1, and the reaction is more thorough. The spring 617 drives the slider 618 to move, so that the scraper 619 always fits the inner wall of the reaction tank 1, and the scraping is more complete.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis, comprising a reaction tank (1), characterized in that: Four support columns (2) are fixedly mounted on the bottom of the reaction tank (1), a mounting plate (3) is fixedly mounted between the four support columns (2), a feed pipe (4) is fixedly mounted on the top of the reaction tank (1), a discharge pipe (5) is fixedly mounted on the bottom of the reaction tank (1), a reaction mechanism (6) is arranged inside the reaction tank (1), and a sealing mechanism (7) is arranged on the top of the reaction tank (1); The reaction mechanism (6) comprises a rotating component (61) and a mixing component (62), wherein the mixing component (62) is arranged inside the rotating component (61).

2. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis according to claim 1, characterized in that: The rotating assembly (61) comprises a motor (611), wherein the motor (611) is fixedly mounted on the top of the mounting plate (3), a bevel gear A (612) is fixedly mounted on the output end of the motor (611), a rotating column A (613) is rotatably mounted inside the reaction tank (1), a bevel gear B (614) is fixedly mounted on the outside of the rotating column A (613), a rotating block (615) is fixedly mounted on the top of the rotating column A (613), a rotating rod (616) is fixedly mounted on the outside of the rotating column A (613), two springs (617) are fixedly mounted inside the rotating rod (616), a slider (618) is fixedly mounted on one end of the two springs (617) away from the rotating rod (616), a scraper (619) is arranged inside the slider (618), and a bolt A (6110) is threadedly mounted on the inside of the slider (618).

3. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis according to claim 2, characterized in that: The bolt A (6110) is threadedly mounted inside the scraper (619), the bottom of the rotating rod (616) contacts the inner wall of the reaction tank (1), the scraper (619) contacts the inner wall of the reaction tank (1), the slider (618) is slidably mounted inside the rotating rod (616), and the bevel gear A (612) is meshed with the bevel gear B (614).

4. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis according to claim 1, characterized in that: The mixing assembly (62) comprises a rotating column B (621), wherein the rotating column B (621) is rotatably mounted inside the mounting plate (3), a bevel gear C (622) is fixedly mounted on the outside of the rotating column B (621), a main gear (623) is fixedly mounted on the top of the rotating column B (621), three slave gears (624) are meshed on the outside of the main gear (623), and stirring rollers (625) are fixedly mounted on the bottoms of the three slave gears (624).

5. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis according to claim 4, characterized in that: The three stirring rollers (625) are all rotatably mounted inside the rotating block (615), the three slave gears (624) and the master gear (623) are all arranged inside the rotating block (615), the rotating column B (621) is rotatably mounted inside the rotating column A (613), and the bevel gear C (622) is meshed with the bevel gear A (612).

6. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis according to claim 1, characterized in that: The sealing mechanism (7) comprises a hydrogen injection pipe (71), the hydrogen injection pipe (71) being fixedly mounted on the top of the reaction tank (1), an external pipe (72) being arranged on the top of the hydrogen injection pipe (71), a sealing ring (73) being arranged between the hydrogen injection pipe (71) and the external pipe (72), two sealing sleeves (74) being arranged on the outside of the hydrogen injection pipe (71), and a bolt B (75) being installed on the internal thread of the sealing sleeve (74).

7. A sulfolene catalytic hydrogenation reaction device for sulfolane synthesis according to claim 6, characterized in that: The bolt B (75) is threadedly mounted inside the two sealing sleeves (74), the hydrogen injection pipe (71) is in contact with the external pipe (72), and sealing grooves are provided at corresponding positions of the hydrogen injection pipe (71), the external pipe (72) and the sealing ring (73), and the sealing ring (73) is arranged inside the sealing groove.

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