CN219518777U

CN219518777U - Ethylene glycol liquid phase hydrogenation reactor

Info

Publication number: CN219518777U
Application number: CN202320161244.2U
Authority: CN
Inventors: 秦松; 肖惠平; 刘倩
Original assignee: Jiangsu Kaimei Purui Engineering Technology Co ltd
Current assignee: Jiangsu Kaimei Purui Engineering Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-08-15
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the technical field of hydrogenation reactors, and discloses an ethylene glycol liquid-phase hydrogenation reactor, which comprises a reaction cylinder, wherein a distributor is fixedly arranged at the upper end of the inner wall of the reaction cylinder, a catalytic bed is fixedly arranged at the lower end of the inner wall of the reaction cylinder, arc plates are fixedly arranged at the two ends of the bottom of the distributor, arc grooves are formed in the two arc plates, a gear ring is rotatably arranged between the two arc grooves in a penetrating manner, a guide ring is fixedly arranged on the inner wall of the gear ring in a penetrating manner, a guide cylinder is fixedly arranged on the inner wall of the guide ring, an adjusting belt is fixedly arranged at the bottom of the gear ring through a connecting rod, a cylinder diameter adjusting mechanism is arranged between the adjusting belt and the connecting rod, and an intermittent driving mechanism is arranged in the reaction cylinder. The utility model can ensure that the gas and the liquid can uniformly contact and react with the surface of the catalytic bed after being distributed.

Description

Ethylene glycol liquid phase hydrogenation reactor

Technical Field

The utility model relates to the technical field of hydrogenation reactors, in particular to a glycol liquid-phase hydrogenation reactor.

Background

The hydrogenation reaction can be carried out in the preparation process of the glycol, gas and liquid generally enter the catalytic bed through the distributor to finish the catalytic molding of raw materials, and in the prior art, when the gas is dripped onto the catalytic bed through the distributor, the catalytic reaction is slower due to continuous dripping of the gas and the liquid, so that the gas and the liquid are accumulated on the surface of the catalytic bed, the efficiency of the catalytic reaction is reduced, and the overall hydrogenation reaction efficiency is reduced.

Therefore, we propose a liquid phase hydrogenation reactor for ethylene glycol to solve the above problems.

Disclosure of Invention

The utility model aims to provide a glycol liquid-phase hydrogenation reactor which can ensure that gas and liquid can uniformly contact with the surface of a catalytic bed and react after being distributed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a glycol liquid phase hydrogenation reactor, includes the reaction section of thick bamboo, the fixed distributor that is equipped with of inner wall upper end of reaction section of thick bamboo, the fixed catalytic bed that is equipped with of inner wall lower extreme of reaction section of thick bamboo, the bottom both ends of distributor are all fixed to be equipped with the arc, two the arc has all been seted up to the inside of arc, two rotate between the arc and wear to be equipped with the ring gear, the fixed guide ring that wears to be equipped with of inner wall of ring gear, the fixed guide cylinder that is equipped with of inner wall of guide ring, the bottom of ring gear is equipped with the regulation area through the connecting rod is fixed, be equipped with tube diameter adjustment mechanism between regulation area and the connecting rod, the inside of reaction section of thick bamboo is equipped with intermittent drive mechanism.

Preferably, the guide cylinder is a film guide cylinder.

Preferably, the cylinder diameter adjusting mechanism comprises a fixed ring, the fixed ring is fixedly connected with the lower end of the connecting rod and sleeved on the outer side of the adjusting belt, the inner wall of the adjusting belt is fixedly connected with the guide cylinder, a plurality of positioning holes arranged at intervals are formed in the adjusting belt, a positioning rod is arranged on the side wall of the fixed ring in a sliding penetrating mode, the positioning rod is inserted into the positioning holes, a spring is sleeved on the wall of the rod, and two ends of the spring are fixedly connected with the positioning rod and the fixed ring respectively.

Preferably, the intermittent driving mechanism comprises a motor, the motor is fixedly connected with the reaction cylinder through a supporting frame, the output end penetrates into the reaction cylinder and is fixedly provided with a rotating rod, the bottom of the rotating rod is fixedly provided with a sector gear, the inside of the arc plate is provided with a through groove, and the sector gear penetrates out of the through groove and is meshed with the gear ring.

Preferably, the end part of the positioning rod is hinged with a pull ring.

Preferably, the adjusting belt is a steel belt.

Compared with the prior art, the utility model provides the ethylene glycol liquid phase hydrogenation reactor, which has the following beneficial effects:

1. the ethylene glycol liquid-phase hydrogenation reactor comprises a reaction cylinder, a distributor, a catalytic bed, an arc plate, an arc groove, a gear ring, a guide cylinder, a connecting rod, an adjusting belt and an intermittent driving mechanism, wherein after gas and liquid are distributed through the distributor, the gas and the liquid uniformly drop to all positions on the surface of the catalytic bed under the intermittent driving of the sector gear through the guide cylinder, so that the raw materials are prevented from accumulating on the surface of the catalytic bed due to too slow catalysis as much as possible.

2. According to the ethylene glycol liquid-phase hydrogenation reactor, the liquid space flowing to the surface of the catalytic bed can be conveniently and quickly regulated through the connecting rod, the regulating belt and the cylinder diameter regulating mechanism.

The device has the advantages that the operation is convenient, the gas-liquid distribution can be ensured to be in uniform contact with the surface of the catalytic bed and react, and the hydrogenation reaction efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a liquid phase hydrogenation reactor for ethylene glycol according to the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

fig. 3 is an enlarged view of the structure of the part B in fig. 1.

In the figure: 1 reaction cylinder, 2 distributor, 3 catalytic bed, 4 arc, 5 ring gear, 6 guide ring, 7 guide cylinder, 8 connecting rod, 9 adjusting belt, 10 fixed ring, 11 locating rod, 12 spring, 13 motor, 14 support frame, 15 bull stick, 16 sector gear, 17 pull ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1 and 3, an ethylene glycol liquid phase hydrogenation reactor comprises a reaction cylinder 1, wherein a distributor 2 is fixedly arranged at the upper end of the inner wall of the reaction cylinder 1, a catalytic bed 3 is fixedly arranged at the lower end of the inner wall of the reaction cylinder 1, arc plates 4 are fixedly arranged at two ends of the bottom of the distributor 2, arc grooves are formed in the two arc plates 4, a gear ring 5 is rotatably arranged between the two arc grooves in a penetrating manner, and the gear ring 5 can stably rotate in the two arc plates 4.

As shown in fig. 1, the inner wall of the gear ring 5 is fixedly provided with a guide ring 6 in a penetrating manner, the inner wall of the guide ring 6 is fixedly provided with a guide cylinder 7, and the guide cylinder 7 is a film guide cylinder, so that the liquid outlet cylinder diameter at the bottom of the guide cylinder 7 can be conveniently adjusted.

Example 2

Embodiment 2 as shown in fig. 1 and 3 on the basis of embodiment 1, an intermittent driving mechanism is arranged inside the reaction cylinder 1, the intermittent driving mechanism comprises a motor 13, the motor 13 is fixedly connected with the reaction cylinder 1 through a supporting frame 14, an output end penetrates into the reaction cylinder 1 and is fixedly provided with a rotating rod 15, and the motor 13 can drive the rotating rod 15 to rotate.

As shown in fig. 3, a sector gear 16 is fixedly arranged at the bottom of the rotating rod 15, a through groove is formed in the arc plate 4, and the sector gear 16 penetrates through the through groove and is meshed with the gear ring 5, so that the sector gear 16 can intermittently mesh with the gear ring 5.

Example 3

Embodiment 3 on the basis of embodiment 1, as shown in fig. 1-2, an adjusting belt 9 is fixedly arranged at the bottom of the gear ring 5 through a connecting rod 8, the adjusting belt 9 is a steel belt, and the adjusting belt 9 can be conveniently and circumferentially arranged.

As shown in fig. 1-2, a cylinder diameter adjusting mechanism is arranged between an adjusting belt 9 and a connecting rod 8, the cylinder diameter adjusting mechanism comprises a fixed ring 10, the fixed ring 10 is fixedly connected with the lower end of the connecting rod 8 and sleeved on the outer side of the adjusting belt 9, the inner wall of the adjusting belt 9 is fixedly connected with a guide cylinder 7, a plurality of positioning holes arranged at intervals are formed in the adjusting belt 9, a positioning rod 11 is slidably arranged on the side wall of the fixed ring 10 in a penetrating manner, the positioning rod 11 is inserted into the positioning holes, a spring 12 is sleeved on the wall of the rod, two ends of the spring 12 are fixedly connected with the positioning rod 11 and the fixed ring 10 respectively, a pull ring 17 is hinged to the end part of the positioning rod 11, and the pull ring 17 can plug and separate the positioning rod 11 from the positioning holes to complete cylinder diameter adjustment below the guide cylinder 7.

In the utility model, during the liquid-phase hydrogenation reaction of glycol, raw materials flow into the distributor 2 from the liquid inlet of the reaction cylinder 1, the raw materials are distributed through the distributor 2 and flow into the guide cylinder 7 through the guide ring 6, so that the raw materials drop into the catalytic bed 3 for catalytic reaction, in the catalytic process, the motor 13 is started, the motor 13 drives the rotating rod 15 to rotate, the rotating rod 15 drives the sector gear 16 to rotate, the sector gear 16 is intermittently meshed with the gear ring 5, the gear ring 5 rotates in the two arc plates 4, the guide cylinder 7 can intermittently rotate, the distributed raw materials are uniformly guided to all positions on the catalytic bed 3, and raw materials are prevented from accumulating due to too slow catalysis as much as possible.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a glycol liquid phase hydrogenation reactor, includes reaction section of thick bamboo (1), its characterized in that, the inner wall upper end of reaction section of thick bamboo (1) is fixed and is equipped with distributor (2), the inner wall lower extreme of reaction section of thick bamboo (1) is fixed and is equipped with catalytic bed (3), the bottom both ends of distributor (2) are all fixed and are equipped with arc (4), two arc (4) are all seted up to inside, two rotate between the arc (4) and wear to be equipped with ring gear (5), the inner wall of ring gear (5) is fixed wears to be equipped with guide ring (6), the inner wall of guide ring (6) is fixed and is equipped with guide cylinder (7), the bottom of ring gear (5) is fixed through connecting rod (8) and is equipped with adjusting belt (9), be equipped with diameter adjustment mechanism between adjusting belt (9) and connecting rod (8), the inside of reaction section of thick bamboo (1) is equipped with intermittent drive.

2. A liquid phase hydrogenation reactor for ethylene glycol according to claim 1, wherein said guiding cylinder (7) is a thin film guiding cylinder.

3. The ethylene glycol liquid phase hydrogenation reactor according to claim 1, wherein the cylinder diameter adjusting mechanism comprises a fixed ring (10), the fixed ring (10) is fixedly connected with the lower end of the connecting rod (8) and sleeved on the outer side of the adjusting belt (9), the inner wall of the adjusting belt (9) is fixedly connected with the guide cylinder (7), a plurality of positioning holes arranged at intervals are formed in the adjusting belt (9), a positioning rod (11) is slidably arranged on the side wall of the fixed ring (10), the positioning rod (11) is inserted into the positioning hole, a spring (12) is sleeved on the wall of the rod, and two ends of the spring (12) are fixedly connected with the positioning rod (11) and the fixed ring (10) respectively.

4. The ethylene glycol liquid phase hydrogenation reactor according to claim 1, wherein the intermittent driving mechanism comprises a motor (13), the motor (13) is fixedly connected with the reaction cylinder (1) through a supporting frame (14), an output end penetrates into the reaction cylinder (1) and is fixedly provided with a rotating rod (15), a sector gear (16) is fixedly arranged at the bottom of the rotating rod (15), a through groove is formed in the arc plate (4), and the sector gear (16) penetrates out of the through groove and is meshed with the gear ring (5).

5. A liquid phase hydrogenation reactor for ethylene glycol according to claim 3, wherein the end of said positioning rod (11) is hinged with a pull ring (17).

6. A liquid phase ethylene glycol hydrogenation reactor according to claim 3, wherein said adjusting belt (9) is a steel belt.