Polyolefin high-pressure reaction kettle with stirring structure

Abstract

The utility model discloses a polyolefin high-pressure reaction kettle with a stirring structure, which belongs to the technical field of polyolefin and comprises a high-pressure reaction kettle body, a reaction cavity is arranged in the high-pressure reaction kettle body, the upper end of the high-pressure reaction kettle body is communicated with a feeding pipe, and the lower end of the peripheral side of the high-pressure reaction kettle body is communicated with a discharging pipe. An electromagnetic valve B is arranged on the peripheral side of the discharging pipe, a stirring mechanism is arranged on the high-pressure reaction kettle body and comprises a motor connected to the high-pressure reaction kettle body, the output end of the motor is connected with a rotating shaft A, the rotating shaft A is connected with a large gear, the large gear is in meshed connection with two symmetrical small gears, and each small gear is connected with a rotating shaft B; a plurality of uniformly distributed stirring strips A are connected to the peripheral side of the rotating shaft A, a plurality of uniformly distributed stirring strips B are connected to the peripheral side of the rotating shaft B, and a pressure monitoring device is arranged at the front end of the peripheral side of the high-pressure reaction kettle body. According to the utility model, the polyolefin can be fully stirred, and the mixing capacity of the polyolefin is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyolefins, in particular to a polyolefin high-pressure reactor with a stirring structure. Background Art

[0002] Polyolefins usually refer to a class of thermoplastic resins obtained by polymerizing or copolymerizing α-olefins such as ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 4-methyl-1-pentene, and some cyclic olefins.

[0003] In the existing technology, there is a problem of uneven stirring when stirring the polyolefin, which will cause the polyolefin to agglomerate, and finally make it inconvenient to discharge the polyolefin and cause quality problems. For this reason, we propose a polyolefin high-pressure reactor with a stirring structure. Utility Model Content

[0004] The purpose of the utility model is to provide a polyolefin high-pressure reactor with a stirring structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyolefin high-pressure reactor with a stirring structure, comprising a high-pressure reactor body, a reaction chamber is opened in the high-pressure reactor body, a feeding pipe is connected to the upper end of the high-pressure reactor body, a discharge pipe is connected to the lower end of the outer peripheral side of the high-pressure reactor body, a solenoid valve B is arranged on the outer peripheral side of the discharge pipe, a stirring mechanism is arranged on the high-pressure reactor body, the stirring mechanism comprises a motor connected to the high-pressure reactor body, a rotating shaft A is connected to the output end of the motor, the rotating shaft A is connected to a large gear, the large gear is meshed and connected to two symmetrical small gears, each of the small gears is connected to the rotating shaft B, a plurality of evenly distributed stirring bars A are connected to the outer peripheral side of the rotating shaft A, a plurality of evenly distributed stirring bars B are connected to the outer peripheral side of the rotating shaft B, and a pressure monitoring device is arranged at the front end of the outer peripheral side of the high-pressure reactor body.

[0006] Preferably, the upper end of the outer peripheral side of the high-pressure reactor body is connected to a ventilation pipe, and a solenoid valve A is provided on the outer peripheral side of the ventilation pipe.

[0007] Preferably, the large gear and the small gear are both arranged outside the high-pressure reactor body.

[0008] Preferably, a plurality of circumferentially distributed supports are connected to the lower end of the high-pressure reactor body.

[0009] Preferably, the rotating shaft A and the rotating shaft B are both rotatably connected to the high-pressure reactor body via bearings.

[0010] Preferably, the feeding pipe is slidably connected to a plug seat.

[0011] Preferably, the stirring bars A and the stirring bars B are distributed in a cross pattern.

[0012] Compared with the prior art, the utility model has the following beneficial effects: a high-pressure reactor body, a reaction chamber, a stirring mechanism, a pressure monitoring device, a feeding pipe, a plug seat, a vent pipe, a solenoid valve A, a discharge pipe, a solenoid valve B and a bracket are provided to complete the stirring of polyolefins. At this time, the plug seat can be pulled out, and then the polyolefins are added into the reaction chamber through the feeding pipe, and then the motor is powered. At this time, the output end of the motor drives the rotating shaft A to rotate and then drives the large gear to rotate, the large gear drives the small gear to rotate and then drives the rotating shaft B to rotate, the rotating shaft A drives the stirring bar A to rotate, and the rotating shaft B drives the stirring bar B to rotate. The stirring of the stirring bars A and the stirring bars B can realize the full stirring action of the polyolefins. The utility model realizes the full stirring action of the polyolefins and improves the mixing ability of the polyolefins. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the stirring mechanism structure of the utility model

[0016] In the figure: 1. high-pressure reactor body; 2. reaction chamber; 3. stirring mechanism; 301. motor; 302. rotating shaft A; 303. stirring bar A; 304. large gear; 305. small gear; 306. rotating shaft B; 307. stirring bar B; 4. pressure monitoring device; 5. feeding pipe; 6. plug seat; 7. air vent; 8. solenoid valve A; 9. discharge pipe; 10. solenoid valve B; 11. bracket. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-3The utility model provides a technical solution: a polyolefin high-pressure reactor with a stirring structure, comprising a high-pressure reactor body 1, a reaction chamber 2 is opened in the high-pressure reactor body 1, a feeding pipe 5 is connected to the upper end of the high-pressure reactor body 1, a discharge pipe 9 is connected to the lower end of the outer peripheral side of the high-pressure reactor body 1, a solenoid valve B10 is arranged on the outer peripheral side of the discharge pipe 9, a stirring mechanism 3 is arranged on the high-pressure reactor body 1, the stirring mechanism 3 comprises a motor 301 connected to the high-pressure reactor body 1, a rotating shaft A302 is connected to the output end of the motor 301, the rotating shaft A302 is connected to a large gear 304, the large gear 304 is meshed and connected to two symmetrical small gears 305, each small gear 305 is connected to a rotating shaft B306, a plurality of evenly distributed stirring bars A303 are connected to the outer peripheral side of the rotating shaft A302, a plurality of evenly distributed stirring bars B307 are connected to the outer peripheral side of the rotating shaft B306, and a pressure monitoring device 4 is arranged at the front end of the outer peripheral side of the high-pressure reactor body 1.

[0019] Specifically, the upper end of the outer peripheral side of the high-pressure reactor body 1 is connected with a vent pipe 7, and the outer peripheral side of the vent pipe 7 is provided with a solenoid valve A8. The vent pipe 7 and the solenoid valve A8 can realize the discharge of high-pressure gas in the high-pressure reactor body 1; the large gear 304 and the small gear 305 are both arranged on the outside of the high-pressure reactor body 1 to ensure that the large gear 304 and the small gear 305 will not interfere with the polyolefin; the lower end of the high-pressure reactor body 1 is connected to a plurality of circumferentially distributed brackets 11, and the brackets 11 can realize the stable support action of the high-pressure reactor body 1; the rotating shaft A302 and the rotating shaft B306 are both rotatably connected to the high-pressure reactor body 1 through bearings to ensure that the rotating shaft A302 and the rotating shaft B306 will not interfere with the high-pressure reactor body 1; the feeding pipe 5 is slidably connected to the plug seat 6; the stirring bars A303 and the stirring bars B307 are distributed in a cross form.

[0020] Working principle: when stirring polyolefin, the plug seat 6 can be unplugged, and then the polyolefin is added into the reaction chamber 2 through the feeding tube 5, and then the motor 301 is powered. At this time, the output end of the motor 301 drives the rotating shaft A302 to rotate and then drives the large gear 304 to rotate, the large gear 304 drives the small gear 305 to rotate and then drives the rotating shaft B306 to rotate, the rotating shaft A302 drives the stirring bar A303 to rotate, and the rotating shaft B306 drives the stirring bar B307 to rotate. The stirring of the stirring bars A303 and the stirring bar B307 can achieve full stirring of the polyolefin. The utility model realizes full stirring of the polyolefin and improves the mixing ability of the polyolefin.

[0021] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polyolefin autoclave with a stirring structure, comprising an autoclave body (1), characterized in that: A reaction chamber (2) is provided in the high-pressure reactor body (1); a feeding pipe (5) is connected to the upper end of the high-pressure reactor body (1); a discharge pipe (9) is connected to the lower end of the outer peripheral side of the high-pressure reactor body (1); a solenoid valve B (10) is provided on the outer peripheral side of the discharge pipe (9); a stirring mechanism (3) is provided on the high-pressure reactor body (1); the stirring mechanism (3) comprises a motor (301) connected to the high-pressure reactor body (1); an output end of the motor (301) is connected to a rotating shaft A (301); 02), the rotating shaft A (302) is connected to a large gear (304), the large gear (304) is meshedly connected to two symmetrical small gears (305), each of the small gears (305) is connected to a rotating shaft B (306), the outer peripheral side of the rotating shaft A (302) is connected to a plurality of evenly distributed stirring bars A (303), the outer peripheral side of the rotating shaft B (306) is connected to a plurality of evenly distributed stirring bars B (307), and a pressure monitoring device (4) is provided at the front end of the outer peripheral side of the high-pressure reactor body (1).

2. The polyolefin high-pressure reactor with a stirring structure according to claim 1, characterized in that: The upper end of the outer peripheral side of the high-pressure reactor body (1) is connected to a ventilation pipe (7), and the outer peripheral side of the ventilation pipe (7) is provided with a solenoid valve A (8).

3. The polyolefin high-pressure reactor with a stirring structure according to claim 1, characterized in that: The large gear (304) and the small gear (305) are both arranged outside the high-pressure reactor body (1).

4. The polyolefin high-pressure reactor with a stirring structure according to claim 1, characterized in that: The lower end of the high-pressure reactor body (1) is connected to a plurality of circumferentially distributed brackets (11).

5. The polyolefin high-pressure reactor with a stirring structure according to claim 1, characterized in that: The rotating shaft A (302) and the rotating shaft B (306) are both rotatably connected to the high-pressure reactor body (1) via bearings.

6. The polyolefin high-pressure reactor with a stirring structure according to claim 1, characterized in that: The feeding pipe (5) is slidably connected to a plug seat (6).

7. The polyolefin high-pressure reactor with a stirring structure according to claim 1, characterized in that: The stirring bars A (303) and the stirring bars B (307) are distributed in a cross pattern.

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