Variable-temperature stirring paddle for temperature control reaction kettle

By using a variable temperature stirring paddle in a temperature-controlled reactor and using hot water pipes and cold water pipes to adjust the temperature of the stirring shaft and U-shaped blades, the problem of slow temperature change of the stirring paddle is solved, production efficiency is improved, and safety and stability are enhanced.

CN223464685UActive Publication Date: 2025-10-24PENGLAI LU HAO CHEM MACHINERY
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Patent Information

Application Number
CN202423013613.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-07
Publication Date
2025-10-24
Estimated Expiration
2034-12-07

AI Technical Summary

Technical Problem

The temperature of the stirring paddle of the existing temperature-controlled reactor changes slowly, which affects the temperature adjustment rate in the reactor and leads to low production efficiency.

Method used

A hollow agitator shaft and U-shaped blades are used, and their temperatures are adjusted through hot and cold water pipes. A spiral conveying pipeline is used to increase heat exchange efficiency, and the drain port and cover plate design improves operating efficiency.

Benefits of technology

The temperature change rate of the stirring blade is accelerated to adapt to the temperature change in the reactor, the production efficiency is improved, and the safety and stability of the device are enhanced.

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Abstract

The utility model relates to the technical field of stirring equipment, in particular to a variable-temperature stirring paddle for a temperature control reaction kettle, which comprises a stirring shaft, a U-shaped paddle is connected to the bottom end of the stirring shaft, and the stirring shaft and the U-shaped paddle are hollow cavities and are communicated with each other. The top end of the stirring shaft is communicated with a hot water pipe for injecting hot water and a cold water pipe for injecting cold water. Hot water is added into the hot water pipe or cold water is injected into the cold water pipe, so that the temperature of the stirring paddle is adjusted, the temperature change of the stirring paddle is accelerated, and the overall temperature adjusting speed in the reaction kettle is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of temperature control reaction kettle, especially to a temperature-variable stirring paddle for temperature control reaction kettle. BACKGROUND

[0002] The temperature control reaction kettle is a kind of equipment that can carry out chemical reaction under the condition of accurately controlling temperature. It is widely used in chemical industry, pharmacy, food processing, material science and other fields, for various chemical reactions and processes needing strict temperature control, and different substances are uniformly mixed together in temperature control reaction kettle by stirring paddle, to ensure the consistency and efficiency of reaction or processing process.

[0003] At present, the stirring paddle of existing temperature control reaction kettle is usually made of metal material, and the temperature of stirring paddle changes slowly when the temperature of reaction kettle changes during operation, which affects the temperature adjustment rate in reaction kettle.

[0004] For the above-mentioned related technology, when the temperature in the reaction kettle changes, the temperature of the stirring paddle changes slowly, which affects the overall temperature change rate in the reaction kettle, and further affects the production efficiency, therefore, a temperature-variable stirring paddle for temperature control reaction kettle is needed to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] In order to improve production efficiency, the utility model provides a temperature-variable stirring paddle for temperature control reaction kettle.

[0006] The utility model provides a temperature-variable stirring paddle for temperature control reaction kettle, adopt the following technical scheme:

[0007] A temperature-variable stirring paddle for temperature control reaction kettle, comprising a stirring shaft, the bottom end of the stirring shaft is connected with a U-shaped paddle blade, the stirring shaft and the U-shaped paddle blade are both hollow cavities and are communicated, and the top end of the stirring shaft is communicated with a hot water pipe for injecting hot water and a cold water pipe for injecting cold water.

[0008] Through the above technical scheme, when the temperature in the temperature control reaction kettle changes, the worker selects to add hot water from the hot water pipe or inject cold water from the cold water pipe according to the temperature rise or drop, so as to change the temperature of the stirring shaft and the U-shaped paddle blade, speed up the temperature change of the stirring paddle, adapt to the overall temperature change in the reaction kettle, and improve the production efficiency.

[0009] Optionally, the stirring shaft is provided with a spiral conveying pipeline, and the spiral conveying pipeline extends along the length direction of the stirring shaft.

[0010] By adopting the technical scheme, when hot water or cold water is injected, the water spirally flows in the spiral conveying pipeline, the spiral path significantly increases the path length of the water flow, so that the water has more time to contact the inner shaft wall in the process of passing through the stirring shaft, thereby more effectively performing heat exchange or cold exchange, so that the temperature is fully transmitted and uniformly distributed.

[0011] Optionally, a drain port is arranged in the U-shaped paddle, and the drain port is arranged at the bottom end of the U-shaped paddle.

[0012] By adopting the technical scheme, when internal water needs to be discharged, the staff opens the cover plate, the internal water flows out of the stirring shaft through the drain port, which is convenient to operate and helps to improve work efficiency.

[0013] Optionally, two drain ports are arranged in the U-shaped paddle, the two drain ports are oppositely arranged, the cover plate faces the drain ports, the size of the cover plate is greater than that of the drain ports, and a rotating shaft is fixedly connected to the center of the bottom end of the cover plate.

[0014] By adopting the technical scheme, when internal water needs to be discharged, the staff rotates the rotating shaft to open the cover plate, the internal water is discharged through the two drain ports, the water discharge efficiency is improved, and after the water discharge is completed, the rotating shaft is rotated again to shield the drain ports with the cover plate, which is convenient to operate and helps to improve work efficiency.

[0015] Optionally, a knob is coaxially fixedly connected to one end of the rotating shaft away from the cover plate.

[0016] By adopting the technical scheme, when the rotating shaft needs to be rotated, the staff operates the knob, the rotation control of the rotating shaft is more precise, and it is convenient to operate and helps to improve work efficiency.

[0017] Optionally, a sealing ring is sleeved on the rotating shaft and is slidingly connected to the rotating shaft.

[0018] By adopting the technical scheme, the sealing performance of the equipment is further enhanced, and it is ensured that no liquid leaks or external impurities enter during rotation of the cover plate.

[0019] Optionally, a limiting ring is arranged on one side of the sealing ring close to the knob, the limiting ring is sleeved on the rotating shaft and is fixedly connected with the rotating shaft.

[0020] By adopting the technical scheme, the stability and correct position of the sealing ring on the rotating shaft are ensured, the sealing ring is prevented from falling off, and the stability of the device is improved.

[0021] Optionally, a protective cover is arranged above the knob, a vertical edge is circumferentially arranged on the outer side of the protective cover, the vertical edge is vertically arranged, and the protective cover is fixedly connected to the rotating shaft.

[0022] By adopting the technical scheme, when the staff rotates the knob to cause liquid leakage, the setting of the protective cover and the vertical edge can avoid direct contact of the liquid with the human body, and the safety of the device is improved.

[0023] To sum up, the utility model has at least one of the following beneficial technical effects:

[0024] 1. By setting the stirring shaft, the U-shaped paddle, the hot water pipe and the cold water pipe, when the temperature in the temperature control reaction kettle changes, the staff selects to add hot water from the hot water pipe or injects cold water from the cold water pipe according to the temperature rise or drop, so as to change the temperature of the stirring shaft and the U-shaped paddle, speed up the temperature change of the stirring paddle, adapt to the overall temperature change in the reaction kettle, and improve the production efficiency.

[0025] 2. By setting the protective cover, when the staff rotates the knob to cause liquid leakage, the setting of the protective cover and the vertical edge can avoid direct contact of the liquid with the human body, and the safety of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic view of the variable-temperature stirring paddle for the temperature control reaction kettle.

[0027] Figure 2 It is a sectional structure schematic view of the variable-temperature stirring paddle for the temperature control reaction kettle.

[0028] Figure 3 It is Figure 1 An enlarged view of part A in figure

[0029] The reference signs are explained as follows: 1, stirring paddle body; 11, stirring shaft; 12, U-shaped paddle; 2, temperature adjusting part; 21, hot water pipe; 22, cold water pipe; 23, spiral conveying pipeline; 3, drainage part; 31, cover plate; 32, drainage port; 33, rotating shaft; 34, knob; 35, sealing ring; 36, limiting ring; 37, protective cover; 38, vertical edge. DETAILED DESCRIPTION

[0030] The utility model will be further explained in detail in combination with all the drawings.

[0031] The utility model discloses a variable-temperature stirring paddle for temperature control reaction kettle.

[0032] Referring to Figures 1-3 A variable-temperature stirring paddle for temperature control reaction kettle, comprising a stirring paddle body 1, a temperature adjusting part 2 and a drainage part 3, the temperature adjusting part 2 is connected with the stirring paddle body 1, and the drainage part 3 is arranged at the bottom end of the stirring paddle body 1. The stirring paddle body 1 stirs the mixture in the reaction kettle, the temperature adjusting part 2 adjusts the temperature of the stirring paddle body 1, and the drainage part 3 drains the temperature adjusting medium in the stirring paddle body 1.

[0033] Referring to Figures 1-3 The stirring paddle body 1 comprises a stirring shaft 11 and a U-shaped paddle 12, and the U-shaped paddle 12 is fixedly connected to the bottom end of the stirring shaft 11. When the reaction kettle is working, the stirring shaft 11 rotates to drive the U-shaped paddle 12 to rotate, thereby realizing uniform stirring of the mixture inside the reaction kettle.

[0034] Referring to Figures 1-3 The temperature adjusting part 2 comprises a hot water pipe 21 and a cold water pipe 22, and the stirring shaft 11 and the U-shaped paddle 12 are hollow cavities and are connected in communication, and the hot water pipe 21 and the cold water pipe 22 are communicated with the top end of the stirring shaft 11. When the temperature in the temperature-controlled reaction kettle changes, the staff selects to add hot water from the hot water pipe 21 or inject cold water from the cold water pipe 22 according to the temperature rise or drop, so as to change the temperature of the stirring shaft 11 and the U-shaped paddle 12, accelerate the temperature change of the stirring paddle, and adapt to the overall temperature change inside the reaction kettle, thereby improving the production efficiency.

[0035] Referring to Figures 1-3 The stirring shaft 11 is provided with a spiral conveying pipeline 23, and the spiral conveying pipeline 23 is arranged along the length direction of the stirring shaft 11. When hot water or cold water is injected, the water spirally flows in the spiral conveying pipeline 23, and the spiral path significantly increases the path length of the water flow, so that the water has more time to contact the inner shaft wall in the process of passing through the stirring shaft 11, thereby more effectively performing heat exchange or cold exchange, so that the temperature is fully transmitted and uniformly distributed.

[0036] Referring to Figures 1-3 The drainage part 3 comprises a cover plate 31, and the U-shaped paddle 12 is provided with a drainage port 32, and the drainage port 32 is arranged at the bottom end of the U-shaped paddle 12, and the cover plate 31 is located at the drainage port 32 and is used for shielding the drainage port 32. When it is necessary to drain the internal water, the staff opens the cover plate 31, and the internal water flows out of the inside of the stirring shaft 11 through the drainage port 32, which is convenient to operate and is conducive to improving the work efficiency.

[0037] Referring to Figures 1-3 The two drainage ports 32 are oppositely arranged, the cover plate 31 faces the drainage port 32, the size of the cover plate 31 is greater than that of the drainage port 32, and a rotating shaft 33 is fixedly connected to the center of the bottom end of the cover plate 31.

[0038] Referring to Figures 1-3 When it is necessary to drain the internal water, the staff rotates the rotating shaft 33 to open the cover plate 31, and the internal water is discharged through the two drainage ports 32, thereby improving the drainage efficiency. After the drainage is completed, the rotating shaft 33 is rotated again to make the cover plate 31 shield the drainage port 32 again, which is convenient to operate and is conducive to improving the work efficiency.

[0039] Referring to Figures 1-3The end of the rotating shaft 33 away from the cover plate 31 is coaxially and fixedly connected with a knob 34.

[0040] With reference to Figures 1-3 The rotating shaft 33 is sleeved with a sealing ring 35, the sealing ring 35 is slidably connected to the rotating shaft 33, and the side of the sealing ring 35 close to the knob 34 is provided with a limiting ring 36, the limiting ring 36 is sleeved on the rotating shaft 33 and is fixedly connected with the rotating shaft 33.

[0041] With reference to Figures 1-3 The sealing ring 35 is arranged, and the sealing performance of the equipment is further enhanced, so that liquid leakage or external impurities are prevented from entering during the rotation of the cover plate 31; the limiting ring 36 is arranged, so that the stability and correct position of the sealing ring 35 on the rotating shaft 33 are ensured, the sealing ring 35 is prevented from falling off, and the stability of the device is improved.

[0042] With reference to Figures 1-3 The upper side of the knob 34 is provided with a protective cover 37, the outer side of the protective cover 37 is circumferentially provided with a vertical edge 38, the vertical edge 38 is vertically arranged, and the protective cover 37 is fixedly connected to the rotating shaft 33. When the knob 34 is rotated and liquid is leaked, the protective cover 37 and the vertical edge 38 are arranged to prevent the liquid from directly contacting the human body, and the safety of the device is improved.

[0043] The implementation principle of the temperature-variable stirring paddle for the temperature-controlled reaction kettle is as follows: when the temperature in the temperature-controlled reaction kettle changes, the worker selects to add hot water from the hot water pipe 21 or to inject cold water from the cold water pipe 22 according to the temperature rise or drop, so as to change the temperature of the stirring shaft 11 and the U-shaped paddle 12, accelerate the temperature change of the stirring paddle, adapt to the overall temperature change in the reaction kettle, and improve the production efficiency.

[0044] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A temperature-variable stirring paddle for a temperature-controlled reaction vessel, comprising a stirring shaft (11), characterized in that: The bottom end of the stirring shaft (11) is connected with a U-shaped paddle (12), the stirring shaft (11) and the U-shaped paddle (12) are both hollow cavities and are communicated, the top end of the stirring shaft (11) is communicated with a hot water pipe (21) for injecting hot water and a cold water pipe (22) for injecting cold water.

2. The variable temperature agitator paddle for a temperature-controlled reaction vessel of claim 1, wherein: The stirring shaft (11) is provided with a spiral conveying pipeline (23) extending along the length direction of the stirring shaft (11).

3. The variable temperature agitator paddle for a temperature-controlled reaction vessel of claim 2, wherein: The U-shaped paddle (12) is provided with a drain port (32), the drain port (32) is arranged at the bottom end of the U-shaped paddle (12), and the drain port (32) is provided with a cover plate (31) for shielding the drain port (32).

4. The variable temperature agitator paddle for a temperature-controlled reaction vessel of claim 3, wherein: The drain port (32) in the U-shaped paddle (12) is provided with two drain ports (32), the two drain ports (32) are oppositely arranged, the cover plate (31) faces the drain port (32), the size of the cover plate (31) is greater than that of the drain port (32), and the bottom end of the cover plate (31) is fixedly connected with a rotating shaft (33) at the center.

5. The temperature-variable stirring paddle for a temperature-controlled reaction vessel according to claim 4, characterized in that: The end, away from the cover plate (31), of the rotating shaft (33) is coaxially fixedly connected with a knob (34).

6. The variable temperature agitator paddle for a temperature-controlled reaction vessel of claim 5, wherein: The rotating shaft (33) is provided with a sealing ring (35) sleeved thereon, and the sealing ring (35) is slidingly connected to the rotating shaft (33).

7. The temperature-variable stirring paddle for a temperature-controlled reaction vessel according to claim 6, characterized in that: The side, close to the knob (34), of the sealing ring (35) is provided with a limiting ring (36), the limiting ring (36) is sleeved on the rotating shaft (33) and is fixedly connected with the rotating shaft (33).

8. The variable temperature agitator paddle for a temperature-controlled reaction vessel of claim 5, wherein: The upper side of the knob (34) is provided with a protective cover (37), the outer side of the protective cover (37) is circumferentially provided with a vertical edge (38), the vertical edge (38) is vertically arranged, and the protective cover (37) is fixedly connected to the rotating shaft (33).