Stirring-free PET polycondensation reactor

Abstract

The utility model relates to PET slice device technical field, propose a kind of non-agitation PET polycondensation reaction kettle, including reation kettle body, including filter cartridge, the inside of filter cartridge is equipped with multiple evenly distributed filter plate, the top of multiple filter plates is connected with multiple evenly distributed support foot, the top of reation kettle is connected with top cover by bolt, top cover is equipped with feed pipe, the inside wall of reation kettle body is connected with support piece, the outer wall of filter cartridge is connected with two with support piece matched blocking parts, the top of filter cartridge is connected with protective skirt, the top of protective skirt is connected with two lugs, to this convenient for the replacement of filter plate, avoid because filter plate appears blockage, reduce the filtering effect of equipment.

Description

Technical Field

[0001] This utility model relates to the technical field of PET slicing devices, specifically to a stirless PET polycondensation reactor. Background Technology

[0002] PET fiber is currently a chemical fiber with a large output, rapid development, and wide application. Not only is its heat resistance better than polyethylene, but its price is also much cheaper than aramid. Therefore, the application fields of PET will inevitably become more and more extensive. Different applications have different requirements for the molecular weight of PET. To obtain high molecular weight PET, solid-phase polycondensation can be used.

[0003] According to the search, a patent publication number CN217614777U for a non-stirred PET polycondensation reactor was published in China on October 21, 2022. It is roughly described as follows: a heating reactor, a vacuum extraction port on the right side of the heating reactor, a suction pipe fixedly connected to the vacuum extraction port, the end of the suction pipe away from the heating reactor being fixedly connected to the output end of a vacuum pump, a metal thermometer fixedly connected to the upper surface of the heating reactor, the temperature detection end of the metal thermometer extending into the interior of the heating reactor, and a feed port at the upper end of the heating reactor.

[0004] While the aforementioned existing technical solution can prevent the reaction liquid from accumulating in large quantities inside the device, the device is not convenient for replacing the filter plate. In the long term of use, the filter plate is prone to clogging, which reduces the filtration effect of the equipment. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a stirless PET polycondensation reactor, which solves the problem mentioned in the background technology that it is inconvenient to replace the filter plate, and that the filter plate is prone to clogging during long-term use, thus reducing the filtration effect of the equipment.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a stirless PET polycondensation reactor, comprising a reactor body, a filter cylinder, and multiple evenly distributed filter plates inside the filter cylinder. The tops of the filter plates are fixedly connected to multiple evenly distributed support legs. A top cover is bolted to the top of the reactor, and a feed pipe is provided on the top cover. A first three-way valve is provided on the feed pipe, and a connecting pipe is connected to the top of the first three-way valve. A discharge pipe is provided at the bottom of the reactor body, one end of which is connected to a first circulating pump. The output end of the first circulating pump is connected to a... The two-way valve has a discharge pipe at its bottom and a circulation pipe connected to its left port. One end of the circulation pipe is connected to a second circulation pump, and the output end of the second circulation pump is connected to the left port of the first-way valve. A support is fixedly connected to the inner wall of the reactor body. Two stop members that cooperate with the support are fixedly connected to the outer wall of the filter cylinder. A protective skirt is fixedly connected to the top of the filter cylinder, and two lifting lugs are fixedly connected to the top of the protective skirt. A gas pipe is provided near the top of the reactor body, and a vacuum pump is installed at one end of the gas pipe.

[0009] By adopting the above technical solution, the material is injected through the connecting pipe, and then through the connecting pipe, the first three-way valve, and the feed pipe into the reactor body. The reactor body heats the material, causing it to react. At this time, multiple filter plates filter the material to prevent the increased viscosity of the material from clogging the pipes. The vacuum pump works in conjunction with the gas pipe to remove small molecules during the reaction process. After the equipment has been used for a long time, the filter plates are prone to clogging. At this time, the top cover is disassembled by removing the bolts. Then, the protective skirt and filter cylinder are removed through two lifting lugs. The filter cylinder moves multiple filter plates, thereby removing multiple filter plates for easy replacement and to avoid clogging of the filter plates, which would reduce the filtration effect of the equipment.

[0010] Optionally, the top of the support member has two matching limiting grooves, and the outer wall of the filter cylinder has two limiting rods that match the limiting grooves.

[0011] By adopting the above technical solution, the limiting slide groove and the limiting slide bar are used to limit the filter cylinder, so that the filter cylinder and the reaction vessel body are aligned with the axis, and the filter cylinder is prevented from shaking or tilting, thereby improving the stability of the equipment.

[0012] Optionally, a sealing gasket is fixedly connected to the bottom end of the top cover, and the bottom end of the sealing gasket is in close contact with the reactor body.

[0013] By adopting the above technical solution, the sealing gasket is used to improve the sealing between the top cover and the reactor body, thereby preventing the reaction material from spilling out.

[0014] Optionally, the inner lower side wall of the reactor body is provided with an arc-shaped flow guide that cooperates with the discharge pipe.

[0015] By adopting the above technical solution, the arc-shaped guide component is used to conveniently guide the material to the outlet position, thereby facilitating the discharge of the material and reducing residue.

[0016] Optionally, a connecting plate is fixedly connected to the outer wall of the reactor body, and support legs are fixedly connected to the four corners of the bottom end of the connecting plate. The bottom ends of the four support legs are fixedly connected to a base, and the base has mounting holes.

[0017] By adopting the above technical solution, the support legs are used to support the equipment, and the base cooperates with the mounting holes to install the equipment in the designated position, so as to prevent the equipment from tipping over and achieve the purpose of improving the stability of the equipment.

[0018] (III) Beneficial Effects

[0019] In summary, this utility model has at least one of the following beneficial technical effects:

[0020] This non-stirred PET polycondensation reactor injects material through a connecting pipe, which then flows into the reactor body via the connecting pipe, a first three-way valve, and a feed pipe. The reactor body heats the material, causing a reaction. Multiple filter plates filter the material to prevent increased viscosity from clogging the pipes. A vacuum pump, in conjunction with a gas pipe, removes small molecules from the reaction process. After prolonged use, the filter plates are prone to clogging. To remove this, the top cover is disassembled by removing the bolts. Two lifting lugs are then used to remove the protective skirt and filter cartridges. The filter cartridges move multiple filter plates, allowing for easy removal and replacement, thus preventing clogging and ensuring optimal filtration efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the first side view of the present invention;

[0022] Figure 2 This is a first cross-sectional view of the present invention.

[0023] Figure 3 This utility model Figure 2 A magnified schematic diagram of the partial structure at point A in the middle;

[0024] Figure 4 This utility model Figure 2 A magnified schematic diagram of the local structure at point B;

[0025] Figure 5 This is a schematic diagram of the first partial cross-sectional structure of the present invention;

[0026] Figure 6 This is a partial side view of the structure of the present invention.

[0027] In the diagram: 1. Reactor body; 2. Filter cylinder; 3. Filter plate; 4. Support leg; 5. Top cover; 6. Feed pipe; 7. First three-way valve; 8. Connecting pipe; 9. Discharge pipe; 10. First circulation pump; 11. Second three-way valve; 12. Discharge pipe; 13. Circulation pipe; 14. Second circulation pump; 15. Support component; 16. Positioning component; 17. Protective skirt; 18. Lifting lug; 19. Gas pipe; 20. Vacuum pump; 21. Limiting groove; 22. Limiting slide bar; 23. Sealing gasket; 24. Arc-shaped flow guide component; 25. Connecting plate; 26. Support leg; 27. Base; 28. Mounting hole. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Reference Figures 1-6A stirless PET polycondensation reactor includes a reactor body 1, a filter cylinder 2, and multiple evenly distributed filter plates 3 inside the filter cylinder 2. The tops of the filter plates 3 are fixedly connected to multiple evenly distributed support legs 4. A top cover 5 is bolted to the top of the reactor. A feed pipe 6 is provided on the top cover 5, and a first three-way valve 7 is provided on the feed pipe 6. A connecting pipe 8 is connected to the top of the first three-way valve 7. A discharge pipe 9 is provided at the bottom of the reactor body 1, and one end of the discharge pipe 9 is connected to a first... A circulating pump 10 has its output end connected to a second three-way valve 11. The bottom end of the second three-way valve 11 has a discharge pipe 12. The left port of the second three-way valve 11 is connected to a circulating pipe 13. One end of the circulating pipe 13 is connected to a second circulating pump 14. The output end of the second circulating pump 14 is connected to the left port of the first three-way valve 7. A support member 15 is fixedly connected to the inner wall of the reactor body 1. Two blocking members 16, which cooperate with the support member 15, are fixedly connected to the outer wall of the filter cylinder 2. A protective skirt 17 is fixedly connected to the top of the filter cartridge 2. Two lifting lugs 18 are fixedly connected to the top of the protective skirt 17. The reactor body 1 has a gas pipe 19 near the top. A vacuum pump 20 is installed at one end of the gas pipe 19 to inject the material from the connecting pipe 8. The material is then injected into the reactor body 1 through the connecting pipe 8, the first three-way valve 7, and the feed pipe 6. The reactor body 1 heats the material, causing it to react. At this time, multiple filter plates 3 filter the material to prevent the increased viscosity of the material from clogging the pipes. The vacuum pump 20 works in conjunction with the gas pipe 19 to remove small molecules during the reaction process. After the equipment has been used for a long time, the filter plates 3 are prone to clogging. At this time, the top cover 5 is disassembled by removing the bolts. The protective skirt 17 and the filter cartridge 2 are then removed through the two lifting lugs 18. The filter cartridge 2 moves the multiple filter plates 3, allowing them to be removed for easy replacement and to avoid clogging of the filter plates 3, which would reduce the filtration effect of the equipment.

[0031] Reference Figures 2-6 The top of the support 15 has two matching limiting grooves 21. The outer wall of the filter cylinder 2 is fixedly connected to two limiting rods 22 that match the limiting grooves 21. The limiting grooves 21 and the limiting rods 22 are used to limit the filter cylinder 2, so that the filter cylinder 2 and the reactor body 1 are aligned, and the filter cylinder 2 is prevented from shaking or tilting, thereby improving the stability of the equipment.

[0032] Reference Figure 2 and Figure 4 A sealing gasket 23 is fixedly connected to the bottom of the top cover 5. The bottom of the sealing gasket 23 is in close contact with the reactor body 1. The sealing gasket 23 is used to improve the sealing between the top cover 5 and the reactor body 1, thereby preventing the reaction material from overflowing.

[0033] Reference Figure 2 and Figure 5 The inner lower side wall of the reactor body 1 is provided with an arc-shaped guide 24 that cooperates with the discharge pipe 9. The arc-shaped guide 24 is used to guide the material to the discharge port, so as to facilitate the discharge of the material and reduce residue.

[0034] Reference Figure 1 and Figure 5 A connecting plate 25 is fixedly connected to the outer wall of the reactor body 1. Support legs 26 are fixedly connected to the four corners of the bottom of the connecting plate 25. Bases 27 are fixedly connected to the bottom of the four support legs 26. Mounting holes 28 are provided on the bases 27. The support legs 26 are used to support the equipment. The bases 27 and mounting holes 28 cooperate to install the equipment in a designated position to prevent the equipment from tipping over and to improve the stability of the equipment.

[0035] In summary, the working principle and process of this non-stirred PET polycondensation reactor are as follows: During use, the material is first injected through the connecting pipe 8, then through the connecting pipe 8, the first three-way valve 7, and the feed pipe 6 into the reactor body 1. The reactor body 1 heats the material, causing a reaction. Multiple filter plates 3 filter the material to prevent increased viscosity from clogging the pipes. The vacuum pump 20, in conjunction with the gas pipe 19, is used to remove small molecules from the reaction process. After prolonged use, the filter plates 3 are prone to clogging. In this case, the top cover 5 is disassembled by removing the bolts. The protective skirt 17 and filter cylinder 2 are then removed using the two lifting lugs 18. The filter cylinder 2 moves the multiple filter plates 3, allowing them to be removed. The filter plate 3 is easy to replace, and the filter plate 3 is prevented from becoming clogged, which would reduce the filtration effect of the equipment. The limiting slide groove 21 and the limiting slide bar 22 cooperate to limit the filter cylinder 2, so that the filter cylinder 2 and the reactor body 1 are aligned with the axis, and the filter cylinder 2 is prevented from shaking or tilting, thereby improving the stability of the equipment. The sealing gasket 23 is used to improve the sealing between the top cover 5 and the reactor body 1, thereby preventing the reaction material from overflowing. The arc-shaped flow guide 24 is used to guide the material to the discharge port, thereby facilitating the discharge of the material and reducing residue. The support leg 26 is used to support the equipment. The base 27 cooperates with the mounting hole 28 to install the equipment in the designated position, preventing the equipment from tipping over and improving the stability of the equipment.

[0036] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A stirless PET polycondensation reactor, comprising a reactor body (1), characterized in that: The reactor includes a filter cylinder (2), inside which are arranged multiple evenly distributed filter plates (3). The top of each filter plate (3) is fixedly connected to multiple evenly distributed support feet (4). The top of the reactor is bolted to a top cover (5). The top cover (5) is provided with a feed pipe (6). The feed pipe (6) is provided with a first three-way valve (7). The top of the first three-way valve (7) is connected to a connecting pipe (8). The bottom of the reactor body (1) is provided with a discharge pipe (9). One end of the discharge pipe (9) is connected to a first circulating pump (10). The output end of the first circulating pump (10) is connected to a second three-way valve (11). The bottom of the second three-way valve (11) is provided with a discharge pipe (12). A circulation pipe (13) is connected to the left port of the valve (11), and a second circulation pump (14) is connected to one end of the circulation pipe (13). The output end of the second circulation pump (14) is connected to the left port of the first three-way valve (7). A support (15) is fixedly connected to the inner wall of the reactor body (1). Two blocking elements (16) that cooperate with the support (15) are fixedly connected to the outer wall of the filter cylinder (2). A protective skirt (17) is fixedly connected to the top of the filter cylinder (2). Two lifting lugs (18) are fixedly connected to the top of the protective skirt (17). A gas pipe (19) is provided near the top of the reactor body (1). A vacuum pump (20) is installed at one end of the gas pipe (19).

2. The stirless PET polycondensation reactor according to claim 1, characterized in that: The top of the support member (15) has two matching limiting grooves (21), and the outer wall of the filter cylinder (2) is fixedly connected with two limiting rods (22) that match the limiting grooves (21).

3. The stirless PET polycondensation reactor according to claim 1, characterized in that: The bottom end of the top cover (5) is fixedly connected to a sealing gasket (23), and the bottom end of the sealing gasket (23) is in close contact with the reactor body (1).

4. The stirless PET polycondensation reactor according to claim 1, characterized in that: The inner lower side wall of the reactor body (1) is provided with an arc-shaped guide (24) that cooperates with the discharge pipe (9).

5. The stirless PET polycondensation reactor according to claim 1, characterized in that: A connecting plate (25) is fixedly connected to the outer wall of the reactor body (1). Support legs (26) are fixedly connected to the four corners of the bottom of the connecting plate (25). A base (27) is fixedly connected to the bottom of the four support legs (26). An installation hole (28) is provided on the base (27).

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