A fluorescent whitening agent reaction kettle

CN224712057UActive Publication Date: 2026-09-04XINJI CHENGYU CHEM CO LTD
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Patent Information

Application Number
CN202522106349.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-30
Publication Date
2026-09-04
Estimated Expiration
2035-09-30

AI Technical Summary

Technical Problem

[0003]在用反应釜生产荧光增白剂的过程中,为了加快反应速度通常会在反应釜中设置有搅拌装置,搅拌装置上会设置多组搅拌叶片,搅拌叶片会对反应釜内的物料进行搅拌,以使物料加热混合更加均匀,从而提高反应效率;但是,搅拌叶片通常是焊接或一体成型在搅拌轴上的,因此搅拌叶片的位置便无法调节,而加热反应釜的物料会因为多种原因(如生产任务、生产节拍或生产种类)导致加入量不同,当物料完全没过搅拌叶片时,能够进行正常搅拌,而物料较少导致一部分搅拌叶片在物料上方时,这就导致位于物料上方的搅拌叶片无法对物料进行搅拌,从而使搅拌叶片空转,造成能源浪费以及搅拌效率的降低,无法对搅拌叶片进行充分利用

Benefits of technology

[0020] In this invention, a movable blade is provided on the rotating shaft. The movable blade can slide vertically along the rotating shaft, so the position of the movable blade can be adjusted. Therefore, when there is less material in the reactor, the movable blade can be adjusted to slide downward until all blades are adjusted into the material. During the reaction, the blade can better stir the material, avoid the blade from spinning dry, and improve the reaction efficiency.

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Abstract

The utility model discloses a fluorescent whitening agent reation kettle, including the kettle body, the upper end detachable fixed of kettle body is provided with the upper cover, the upper cover is rotatably arranged with the rotary shaft, and the lower extreme of rotary shaft extends to the kettle body, and the upper cover is fixedly provided with the power part, and the power part is connected with rotary shaft transmission, is used for driving rotary shaft rotation, and the lower extreme fixed setting of rotary shaft has fixed paddle, and the upper sliding of rotary shaft is provided with movable paddle, and the lock -up subassembly is equipped between movable paddle and rotary shaft. In the utility model, through the sliding movable paddle can adjust movable paddle's height on the rotary shaft, thereby when the kettle body is filled with different amount of material, makes the paddle all can completely immerse in the material shape, makes the paddle can carry out the sufficient stirring to the material, thereby improves the stirring mixing efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of reaction vessel technology, and in particular to a fluorescent whitening agent reaction vessel. Background Technology

[0002] A reaction vessel is a reaction container used in chemical production. It is widely used in petroleum, chemical, rubber, pesticide, dye, pharmaceutical and food industries. It is a pressure vessel that can be used to complete processes such as sulfidation, nitration, hydrogenation, hydrocarbonation, polymerization and condensation. The reaction vessel is also used in the production of fluorescent whitening agents.

[0003] In the process of producing fluorescent whitening agents using a reactor, a stirring device is usually installed in the reactor to accelerate the reaction speed. The stirring device is equipped with multiple sets of stirring blades, which stir the materials in the reactor to make the heating and mixing of materials more uniform, thereby improving the reaction efficiency. However, the stirring blades are usually welded or integrally formed on the stirring shaft, so the position of the stirring blades cannot be adjusted. The amount of material added to the reactor can vary due to various reasons (such as production tasks, production cycle, or production type). When the material completely submerges the stirring blades, normal stirring can be carried out. However, when the material is less, some stirring blades are above the material. This causes the stirring blades above the material to be unable to stir the material, resulting in the stirring blades spinning idly, wasting energy and reducing stirring efficiency, and failing to make full use of the stirring blades. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of the prior art by providing a fluorescent whitening agent reaction vessel.

[0005] To solve the above problems, the technical solution adopted by this utility model is as follows:

[0006] A fluorescent whitening agent reaction vessel includes a vessel body, and a top cover is detachably and fixedly provided on the upper end of the vessel body;

[0007] A rotating shaft is rotatably mounted on the upper cover, and the lower end of the rotating shaft extends into the body of the vessel.

[0008] A power component is fixedly mounted on the upper cover and is connected to the rotating shaft for driving the rotating shaft to rotate.

[0009] The blade is fixedly mounted at the lower end of the rotating shaft;

[0010] The movable blades are provided in at least one set, and the movable blades are slidably disposed on the rotating shaft in the vertical direction. A locking assembly is provided between the movable blades and the rotating shaft.

[0011] Preferably, the movable blade includes a sliding sleeve, which is slidably disposed on the rotating shaft, and a stirring blade is fixedly disposed on the sliding sleeve.

[0012] Preferably, the rotating shaft is provided with a groove along its length, and a slide bar is fixedly provided on the inner wall of the sliding sleeve. The slide bar is slidably disposed in the groove to prevent relative rotation between the sliding sleeve and the rotating shaft.

[0013] Preferably, the locking assembly includes a first locking bolt, which is threadedly connected to the sliding sleeve, and one end of the first locking bolt abuts against the rotating shaft.

[0014] Preferably, a first spring is provided between the fixed blade and the lowest movable blade, and a second spring is provided between two adjacent movable blades, with both the first spring and the second spring sleeved on the rotating shaft.

[0015] Preferably, the rotating shaft is provided with an external thread, and the locking assembly includes a locking nut, which is threadedly connected to the rotating shaft. The locking nut is located above the movable blade, and the position of the movable blade is adjusted by rotating the locking nut to compress the movable blade.

[0016] Preferably, a second locking bolt is threaded onto the locking nut, and one end of the second locking bolt abuts against the rotating shaft.

[0017] Preferably, a fixing sleeve is fitted onto the vessel body, forming a closed heating chamber between the fixing sleeve and the vessel body. An oil inlet pipe and an oil outlet pipe are provided on the fixing sleeve, and both the oil inlet pipe and the oil outlet pipe are connected to the heating chamber.

[0018] Preferably, a lifting ring is fixedly provided on the upper cover.

[0019] The beneficial effects of adopting the above technical solution are as follows:

[0020] In this invention, a movable blade is provided on the rotating shaft. The movable blade can slide vertically along the rotating shaft, so the position of the movable blade can be adjusted. Therefore, when there is less material in the reactor, the movable blade can be adjusted to slide downward until all blades are adjusted into the material. During the reaction, the blade can better stir the material, avoid the blade from spinning dry, and improve the reaction efficiency. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the vessel structure of this utility model;

[0024] Figure 4 This is a three-dimensional schematic diagram of the internal structure of the vessel body according to one embodiment of the present invention;

[0025] Figure 5 yes Figure 4 Enlarged view of part A;

[0026] Figure 6 This is a three-dimensional schematic diagram of the internal structure of the vessel body according to another embodiment of the present invention;

[0027] Figure 7 yes Figure 6 Enlarged view of part B;

[0028] Figure 8 This is a three-dimensional schematic diagram of the movable blade of this utility model.

[0029] In the diagram: 1 is the vessel body, 2 is the top cover, 3 is the rotating shaft, 4 is the power component, 5 is the fixed blade, 6 is the movable blade, 7 is the sliding sleeve, 8 is the stirring blade, 9 is the slide groove, 10 is the slide bar, 11 is the first locking bolt, 12 is the first spring, 13 is the second spring, 14 is the locking nut, 15 is the second locking bolt, 16 is the fixed sleeve, 17 is the heating chamber, 18 is the oil inlet pipe, 19 is the oil outlet pipe, 20 is the lifting ring, and 21 is the support. Detailed Implementation

[0030] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] like Figure 1 and Figure 2 As shown, a fluorescent whitening agent reaction vessel includes a vessel body 1. A top cover 2 is detachably fixed to the upper end of the vessel body 1. The top cover 2 and the vessel body 1 are fixedly connected by bolts. A rotating shaft 3 is rotatably mounted on the top cover 2. The rotating shaft 3 is vertically arranged. The lower end of the rotating shaft 3 extends into the vessel body 1, and the upper end of the rotating shaft 3 extends above the top cover 2 and is connected to a power component 4 fixedly mounted on the top cover 2. A bracket 21 is fixedly mounted on the top cover 2, and the power component 4 is fixedly mounted on the bracket 21. The power component 4 can drive the rotating shaft 3 to rotate. A fixed blade 5 is fixedly mounted on the lower end of the rotating shaft 3. A movable blade 6 is also vertically slidable on the rotating shaft 3. The movable blade 6 is located inside the vessel body 1. At least one set of movable blades 6 is provided. In this embodiment, two sets of movable blades 6 are provided. A locking assembly is provided between the movable blades 6 and the rotating shaft 3 for locking and fixing the movable blades 6 and the rotating shaft 3.

[0034] In this invention, the material used to produce fluorescent whitening agent is added into the reactor body 1 and sealed with the top cover 2. After the power component 4 is started, it can drive the rotating shaft 3 to rotate. The fixed blade 5 and the movable blade 6 set on the rotating shaft 3 can rotate synchronously with the rotating shaft 3, thereby stirring the material in the reactor body 1. However, if the amount of material added into the reactor body 1 changes, and the highest point of the material is below the movable blade 6, causing the movable blade 6 to be unable to stir the material, the movable blade 6 will spin idly, resulting in energy waste. Furthermore, the reduction in the number of blades in the material will also reduce the stirring efficiency. Therefore, the position of the movable blade 6 can be adjusted to lower the height of the movable blade 6, adjusting it to below the highest point of the material. The locking component fixes the movable blade 6 and the rotating shaft 3 to prevent relative rotation between the movable blade 6 and the rotating shaft 3. During the stirring process, all blades can stir the material, thereby improving the stirring efficiency, preventing the blades from spinning idly, and reducing energy consumption.

[0035] It should be noted that the power component 4 is a geared motor, and the output shaft of the motor is fixedly connected to the upper end of the rotating shaft 3. After the motor is started, it can drive the rotating shaft 3 to rotate. In this embodiment, there are two sets of movable blades 6. Both sets of movable blades 6 are slidably mounted on the rotating shaft 3. The height of the movable blades 6 can be adjusted by the vertical sliding of the movable blades 6 on the rotating shaft 3, so that both movable blades 6 can stir the material.

[0036] Furthermore, such as Figure 1 , Figure 2 and Figure 3 As shown, a feed pipe 22 is fixedly installed on the upper cover 2, and a sealing cover is detachably and fixedly connected to the feed pipe 22; a discharge pipe 23 is fixedly installed at the lower end of the vessel body 1, and a valve for controlling the discharge pipe 23 is provided on the discharge pipe 23 (the connection method between the valve and the pipe and the selection of the valve are conventional technologies in this field, not shown in the figure, and will not be described here). The material can be transported from the feed pipe 22 into the vessel body 1 and discharged from the discharge pipe 23 after the reaction is completed.

[0037] Furthermore, such as Figure 8 As shown, the movable blade 6 includes a sliding sleeve 7, which is slidably mounted on the rotating shaft 3. A locking assembly is disposed between the sliding sleeve 7 and the rotating shaft 3. A stirring blade 8 is fixedly mounted on the sliding sleeve 7. In this embodiment, the position of the movable blade 6 is adjusted by vertically sliding the sliding sleeve 7 on the rotating shaft 3. After adjustment, the locking assembly locks the sliding sleeve 7 and the rotating shaft 3 in place. During rotation, the rotating shaft 3 drives the sliding sleeve 7 and the stirring blade 8 to rotate, and the stirring blade 8 stirs the material.

[0038] Furthermore, a groove 9 is provided along the length of the rotating shaft 3. The groove 9 is located in the lower half of the rotating shaft 3 and is located inside the vessel body 1. The part of the rotating shaft 3 above the upper cover 2 is a smooth shaft. A slide bar 10 is fixedly provided on the inner wall of the sliding sleeve 7. The slide bar 10 is slidably disposed in the groove 9 to prevent relative rotation between the sliding sleeve 7 and the rotating shaft 3, so that the movable blade 6 can rotate synchronously during the rotation of the rotating shaft 3, thereby stirring the material.

[0039] In one embodiment, such as Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the locking assembly includes a first locking bolt 11, which is threadedly connected to the sliding sleeve 7. One end of the first locking bolt 11 abuts against the rotating shaft 3. When adjusting the position of the movable blade 6, the first locking bolt 11 is loosened to separate one end of the first locking bolt 11 from the rotating shaft 3. At this time, the sliding sleeve 7 can slide freely on the rotating shaft 3. After the position adjustment is completed, the first locking bolt 11 is tightened to make one end of the first locking bolt 11 fit tightly against the side wall of the rotating shaft 3, preventing the sliding sleeve 7 from sliding on the rotating shaft 3, thereby fixing the sliding sleeve 7 to the rotating shaft 3.

[0040] Furthermore, such as Figure 3 As shown, a fixed sleeve 16 is fitted around the outer circumference of the vessel body 1, forming a closed heating chamber 17 between the fixed sleeve 16 and the vessel body 1. An oil inlet pipe 18 and an oil outlet pipe 19 are provided on the fixed sleeve 16, both connected to the heating chamber 17. The oil inlet pipe 18 is located below the oil outlet pipe 19, allowing the hot oil to flow from top to bottom, thus staying in the heating chamber 17 for a longer time and improving heating efficiency. During the production of fluorescent whitening agents, the materials in the reactor need to be heated to react at a certain temperature. Therefore, hot oil can be introduced into the heating chamber 17 through the oil inlet pipe 18. The hot oil flows within the heating chamber 17 and is discharged from the oil outlet pipe 19, completing the circulation of the hot oil. During this circulation, the hot oil can heat the materials inside the vessel body 1.

[0041] Furthermore, such as Figure 1 As shown, a lifting ring 20 is fixedly installed on the upper cover 2, which facilitates lifting the upper cover 2 from the vessel body 1, thereby cleaning the inside of the vessel body 1 and adjusting the position of the movable blade 6.

[0042] In another embodiment, such as Figure 1 , Figure 2 , Figure 6 and Figure 7As shown, there are two sets of movable blades 6. A first spring 12 is provided between the fixed blade 5 and the lowest movable blade 6, and a second spring 13 is provided between two adjacent movable blades 6. The first spring 12 and the second spring 13 are both sleeved on the rotating shaft 3. The rotating shaft 3 is provided with an external thread, which is located in the lower half of the rotating shaft 3 and inside the vessel body 1. The part of the rotating shaft 3 above the upper cover 2 is a smooth axis. The locking assembly includes a locking nut 14, which is threadedly connected to the external thread on the rotating shaft 3. The locking nut 14 is located above the movable blades 6, and each movable blade 6 is fitted with a locking nut 14. In this embodiment, when adjusting the position of the movable blade 6, if the movable blade 6 needs to slide downward, the locking nut 14 is rotated to move downward, pressing the movable blade 6 downward. The first spring 12 and the second spring 13 are compressed, preventing the movable blade 6 from sliding freely downward. The locking nut 14 then limits and locks the movable blade 6, preventing it from moving upward. Therefore, the position of the movable blade 6 is fixed on the rotating shaft 3. When adjusting the movable blade 6 upward, the locking nut 14 is rotated to move upward. Under the action of the first spring 12 and the second spring 13, the movable blade 6 is driven to slide upward. After the position of the locking nut 14 is fixed, the locking nut 14 limits the movable blade 6, preventing it from moving further upward. Under the action of the spring force, the movable blade 6 also cannot slide downward, thus fixing the position of the movable blade 6.

[0043] Furthermore, a second locking bolt 15 is threaded onto the locking nut 14, and one end of the second locking bolt 15 abuts against the rotating shaft 3. After the locking nut 14 is fixed in position, in order to prevent the locking nut 14 from rotating during the rotation of the rotating shaft 3, the second locking bolt 15 is tightened so that one end of the second locking bolt 15 fits tightly against the side wall of the rotating shaft 3, thereby locking and fixing the locking nut 14 and preventing the locking nut 14 from loosening during rotation.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fluorescent whitening agent reaction vessel, characterized in that, Includes a vessel body (1), and the upper end of the vessel body (1) is detachably and fixedly provided with a top cover (2); A rotating shaft (3) is rotatably mounted on the upper cover (2), and the lower end of the rotating shaft (3) extends into the vessel body (1); The power component (4) is fixedly mounted on the upper cover (2) and is connected to the rotating shaft (3) for driving the rotating shaft (3) to rotate. Fixed blade (5) is fixedly installed at the lower end of the rotating shaft (3); At least one set of movable blades (6) are provided. The movable blades (6) are slidably disposed on the rotating shaft (3) in the vertical direction. A locking assembly is provided between the movable blades (6) and the rotating shaft (3).

2. The fluorescent whitening agent reaction vessel according to claim 1, characterized in that, The movable blade (6) includes a sliding sleeve (7), which is slidably disposed on the rotating shaft (3), and a stirring blade (8) is fixedly disposed on the sliding sleeve (7).

3. The fluorescent whitening agent reaction vessel according to claim 2, characterized in that, The rotating shaft (3) is provided with a groove (9) along its length direction. The inner wall of the sliding sleeve (7) is fixedly provided with a slide bar (10). The slide bar (10) is slidably disposed in the groove (9) to prevent relative rotation between the sliding sleeve (7) and the rotating shaft (3).

4. The fluorescent whitening agent reaction vessel according to claim 3, characterized in that, The locking assembly includes a first locking bolt (11), which is threadedly connected to the sliding sleeve (7), and one end of the first locking bolt (11) abuts against the rotating shaft (3).

5. The fluorescent whitening agent reaction vessel according to claim 3, characterized in that, A first spring (12) is provided between the fixed blade (5) and the lowest movable blade (6), and a second spring (13) is provided between two adjacent movable blades (6). The first spring (12) and the second spring (13) are both sleeved on the rotating shaft (3).

6. The fluorescent whitening agent reaction vessel according to claim 5, characterized in that, The rotating shaft (3) is provided with an external thread, and the locking assembly includes a locking nut (14). The locking nut (14) is threadedly connected to the rotating shaft (3). The locking nut (14) is located above the movable blade (6). The position of the movable blade (6) is adjusted by rotating the locking nut (14) to squeeze the movable blade (6).

7. The fluorescent whitening agent reaction vessel according to claim 6, characterized in that, The locking nut (14) is threaded with a second locking bolt (15), one end of which abuts against the rotating shaft (3).

8. The fluorescent whitening agent reaction vessel according to claim 1, characterized in that, A fixed sleeve (16) is fitted on the vessel body (1), and a closed heating chamber (17) is formed between the fixed sleeve (16) and the vessel body (1). An oil inlet pipe (18) and an oil outlet pipe (19) are provided on the fixed sleeve (16), and both the oil inlet pipe (18) and the oil outlet pipe (19) are connected to the heating chamber (17).

9. The fluorescent whitening agent reaction vessel according to claim 1, characterized in that, A lifting ring (20) is fixedly installed on the upper cover (2).