Stirring equipment

Abstract

The utility model discloses stirring equipment. The stirring equipment comprises a kettle body, a self-suction stirrer, a rotating shaft and a flow guide device, the kettle body is provided with a reaction cavity; the mounting end of the rotating shaft is positioned in the reaction cavity and is positioned at the central axis of the reaction cavity; the self-suction stirrer is arranged at the mounting end of the rotating shaft; the flow guide device is positioned below the self-absorption stirrer, and is used for collecting airflow released to the central axis position of the reaction cavity by the self-absorption stirrer and guiding the airflow to the peripheral side wall position of the reaction cavity. By arranging the flow guide device, airflow at the central axis position of the self-suction stirrer is collected and guided to the peripheral side wall position of the reaction cavity, so that the gas content of the side wall position of the kettle body is increased, and then full reaction of gas and liquid in the kettle body is promoted; further, the reaction time required by the gas-liquid reaction is shortened, byproducts generated by the gas-liquid reaction are reduced, and the purity of a finished product after the reaction is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a stirring equipment. Background Art

[0002] Mixing equipment is widely used in the chemical, pharmaceutical, food, metallurgy, papermaking and other industries. Mixing equipment is often used as a reactor to complete heat transfer, mass transfer, mixing and other processes. Mixing equipment is divided into liquid-liquid mixing equipment and gas-liquid mixing equipment according to the main body of the medium being stirred. Gas-liquid mixing equipment generally consists of a kettle body and a power part outside the kettle body, a heat exchanger inside the kettle body, an agitator, and a transmission shaft connecting the power part and the agitator. The power part is an electric motor or a combination of an electric motor and a transformer. The agitator consists of a hub and blades. The hub and blades are provided with interconnected vents or airways, which are mainly used to stir gas or introduce gas. The power part drives the agitator to rotate through the transmission shaft, stirring the medium material inside the kettle body to move and complete process operations such as heat transfer, mass transfer, and mixing.

[0003] In actual use, the gas distribution of existing gas-liquid stirring equipment is concentrated near the stirring shaft, and the gas content at the side wall of the kettle away from the stirring shaft is low, making it difficult to achieve uniform distribution of gas in the kettle. That is, the gas content at the side wall of the kettle of existing gas-liquid stirring equipment is low and the gas distribution in the kettle is uneven, resulting in the gas-liquid reaction carried out in the gas-liquid stirring equipment having defects such as long reaction time, low purity of the finished product after the reaction, and many reaction by-products. Utility Model Content

[0004] Aiming at the above problems, the utility model proposes a stirring device.

[0005] The technical solutions adopted by this utility model are as follows:

[0006] The present application provides a stirring device, comprising a kettle, a self-priming stirrer, a rotating shaft and a flow guide device;

[0007] The kettle body has a reaction chamber;

[0008] The mounting end of the rotating shaft is located in the reaction chamber and at the central axis of the reaction chamber;

[0009] The self-priming agitator is arranged on the mounting end of the rotating shaft;

[0010] The flow guiding device is located below the self-priming agitator, and is used to collect the airflow released by the self-priming agitator to the center axis position of the reaction chamber and guide it to the peripheral side wall position of the reaction chamber.

[0011] The application collects and guides the airflow at the axis position of the self-suction stirrer to the circumferential wall position of the reaction cavity through the flow guide device, so as to improve the gas content rate at the circumferential wall position of the kettle body, promote the sufficient reaction of gas and liquid in the kettle body, and reduce the reaction time required by the gas-liquid reaction, reduce the by-products generated by the gas-liquid reaction, and improve the purity of the finished product after the reaction.

[0012] Further, the flow guide device comprises a flow guide pipe and a flow guide disc coaxially arranged;

[0013] The flow guide pipe is coaxially arranged with the self-suction stirrer and located below the self-suction stirrer;

[0014] The flow guide disc has a flow guide channel, the flow guide channel is in communication with the flow guide pipe, and the end of the flow guide channel away from the flow guide pipe is directed to the side wall of the kettle body.

[0015] Further, the flow guide disc comprises an outer wall, a bottom wall, and a flow guide baffle, the flow guide baffle is arranged between the outer wall and the bottom wall, and the outer wall, the bottom wall and the flow guide baffle form the flow guide channel.

[0016] Further, the flow guide baffle is in the form of an arc-shaped curved surface structure.

[0017] The flow guide baffles are arranged in a circumferential direction of the flow guide disc.

[0018] Further, the flow guide baffles comprise three or four.

[0019] Further, the stirring device further comprises a propeller stirrer;

[0020] The propeller stirrer is arranged at the mounting end of the rotating shaft, and the propeller stirrer is located on the side of the self-suction stirrer close to the flow guide device and arranged in the flow guide device.

[0021] Further, the propeller stirrer is located in the flow guide pipe of the flow guide device.

[0022] The propeller stirrer further guides the airflow in the flow guide device out through the flow guide channel.

[0023] Further, the stirring device further comprises a turbine stirrer, the turbine stirrer is arranged at the mounting end of the rotating shaft, and located on the side of the self-suction stirrer away from the flow guide device.

[0024] Further, the propeller stirrer and the turbine stirrer are coaxially arranged with the rotating shaft, respectively.

[0025] The propeller stirrer is used for stirring liquid materials, and the blades of the propeller stirrer are in the form of flat blades or inclined blades.

[0026] Further, the flow guide device further comprises a mounting rod, one end of the mounting rod is fixed with the drainage pipe or the flow guide disc, and the other end is used for being fixed with the kettle body.

[0027] Further, the mounting rod comprises a plurality of mounting rods, which are respectively arranged outside the outer wall of the flow guide disc and are uniformly arranged along the circumference of the flow guide disc.

[0028] Further, the stirring device further comprises a heat exchange device, the heat exchange device is arranged in the reaction cavity and is fixed on the kettle body.

[0029] Further, the heat exchange device comprises a coil pipe and a mounting bracket for mounting the coil pipe, and the mounting bracket is fixed on the inner wall of the kettle body.

[0030] The mounting rod is mounted on the mounting bracket.

[0031] Further, the self-suction stirrer is provided with an airflow through hole;

[0032] The mounting end of the rotating shaft is internally provided with an airflow channel and self-suction air inlet holes and self-suction air outlet holes which are respectively communicated with the airflow channel, and the self-suction air inlet holes are communicated with the reaction cavity.

[0033] The self-suction air outlet holes are communicated with the airflow through hole.

[0034] The self-suction stirrer collects and guides the airflow at the axis position of the self-suction stirrer to the circumferential wall position of the reaction cavity through the self-suction air inlet holes, the airflow channel and the self-suction air outlet holes, so that the gas holdup rate at the circumferential wall position of the kettle body is improved, the full reaction of gas and liquid in the kettle body is promoted, the reaction time required by the gas-liquid reaction is reduced, the by-products generated by the gas-liquid reaction are reduced, and the purity of the finished product after the reaction is improved.

[0035] Further, the stirring device further comprises a driving element, the driving element is connected with the connecting end of the rotating shaft, and the driving element is used for driving the rotating shaft to rotate.

[0036] Further, the connecting end of the rotating shaft is located outside the reaction cavity.

[0037] Further, the driving element is a motor, and the motor is further connected with a transformer.

[0038] The beneficial effects of the utility model are:

[0039] (1) by setting the flow guide device, the airflow at the axis position of the self-suction stirrer is collected and guided to the circumferential wall position of the reaction cavity, so that the gas holdup rate at the circumferential wall position of the kettle body is improved, the full reaction of gas and liquid in the kettle body is promoted, the reaction time required by the gas-liquid reaction is reduced, the by-products generated by the gas-liquid reaction are reduced, and the purity of the finished product after the reaction is improved.

[0040] (2) The self-priming agitator self-primes the gas in the reaction chamber through the self-priming air inlet, air flow channel and self-priming air outlet on the rotating shaft, and then distributes the gas again through the air flow holes on the self-priming agitator to further improve the gas-liquid reaction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a schematic structural diagram of a stirring device according to an embodiment of the present invention;

[0042] Figure 2 yes Figure 1 A schematic diagram of the partially enlarged structure of the middle part;

[0043] Figure 3 This is a schematic structural diagram of the flow guide device according to an embodiment of the present utility model;

[0044] Figure 4 It is a schematic diagram comparing the gas phase distribution of a stirring device provided with a guide device and a stirring device not provided with a guide device (wherein, Figure (a) is a schematic diagram of the gas phase distribution of a stirring device not provided with a guide device, and Figure (b) is a schematic diagram of the gas phase distribution of a stirring device provided with a guide device).

[0045] The reference numerals in the figures are:

[0046] 10. Kettle body; 101. Reaction chamber; 20. Self-priming agitator; 30. Rotating shaft; 310. Mounting end; 311. Air flow channel; 312. Self-priming air inlet; 313. Self-priming air outlet; 320. Connecting end; 40. Guide device; 410. Drain pipe; 420. Guide plate; 421. Guide channel; 422. Outer wall; 423. Bottom wall; 424. Guide blade; 430. Mounting rod; 50. Propeller agitator; 60. Turbine agitator; 70. Heat exchange device; 710. Coil; 720. Mounting bracket. DETAILED DESCRIPTION

[0047] The present invention will be described in detail below with reference to the accompanying drawings.

[0048] like Figures 1-3 As shown, the present application provides a stirring device, including a kettle body 10, a self-priming stirrer 20, a rotating shaft 30 and a flow guide device 40;

[0049] The kettle body 10 has a reaction chamber 101;

[0050] The mounting end 310 of the rotating shaft 30 is located in the reaction chamber 101 and is located at the central axis of the reaction chamber 101;

[0051] The self-priming agitator 20 is disposed on the mounting end 310 of the rotating shaft 30;

[0052] The flow guide device 40 is located below the self-suction stirrer 20, and is used to collect the airflow at the central axis position of the self-suction stirrer 20 and guide the airflow to the peripheral wall position of the reaction cavity 101.

[0053] The present application collects the airflow at the central axis position of the self-suction stirrer 20 and guides the airflow to the peripheral wall position of the reaction cavity 101 by setting the flow guide device 40, so as to improve the gas holdup at the peripheral wall position of the kettle body 10, thereby promoting the full reaction of gas-liquid in the kettle body 10, and further reducing the reaction time required for gas-liquid reaction, reducing the by-products generated by gas-liquid reaction, and improving the purity of the finished product after reaction.

[0054] In the present embodiment, the flow guide device 40 includes a flow guide pipe 410 and a flow guide disc 420 arranged coaxially;

[0055] The flow guide pipe 410 is arranged coaxially with the self-suction stirrer 20 and located below the self-suction stirrer 20.

[0056] The flow guide disc 420 has a flow guide channel 421, the flow guide channel 421 is in communication with the flow guide pipe 410, and the end of the flow guide channel 421 away from the flow guide pipe 410 faces the side wall of the kettle body 10.

[0057] In the present embodiment, the flow guide disc 420 includes an outer wall 422, a bottom wall 423, and flow guide baffles 424 arranged between the outer wall 422 and the bottom wall 423, and the outer wall 422, the bottom wall 423 and the flow guide baffles 424 form the flow guide channel 421.

[0058] In the present embodiment, the flow guide baffles 424 have an arc-shaped curved surface structure.

[0059] The flow guide baffles 424 include a plurality of flow guide baffles 424 and are arranged uniformly along the circumference of the flow guide disc 420.

[0060] In the present embodiment, the flow guide baffles 424 include three flow guide baffles 424.

[0061] In other embodiments, the flow guide baffles 424 can also be four or five.

[0062] In the present embodiment, the stirring device further includes a propeller stirrer 50.

[0063] The propeller stirrer 50 is arranged at the mounting end 310 of the rotating shaft 30, and the propeller stirrer 50 is located on the side of the self-suction stirrer 20 close to the flow guide device 40 and arranged in the flow guide device 40.

[0064] In the present embodiment, the propeller stirrer 50 is located in the flow guide pipe 410 of the flow guide device 40.

[0065] The propeller stirrer 50 further guides the airflow in the flow guide device 40 out through the flow guide channel 421.

[0066] In the embodiment, the stirring device further comprises a turbine stirrer 60, which is arranged at the mounting end 310 of the rotating shaft 30 and is located on the side of the self-suction stirrer 20 away from the flow guide device 40.

[0067] In the embodiment, the propeller stirrer 50 and the turbine stirrer 60 are arranged coaxially with the rotating shaft 30.

[0068] The propeller stirrer 50 is used for stirring liquid materials, and the blades of the propeller stirrer 50 are flat or inclined.

[0069] In the embodiment, the flow guide device 40 further comprises a mounting rod 430, one end of which is fixed with the flow guide pipe 410 or the flow guide disc 420, and the other end is used for being fixed with the kettle body 10.

[0070] Further, the mounting rod 430 comprises four rods, which are arranged outside the outer wall 422 of the flow guide disc 420 and are arranged uniformly along the circumference of the flow guide disc 420.

[0071] In the embodiment, the stirring device further comprises a heat exchange device 70, which is arranged in the reaction cavity 101 and is fixed on the kettle body 10.

[0072] In the embodiment, the heat exchange device 70 comprises a coil pipe 710 and a mounting bracket 720 for mounting the coil pipe 710, and the mounting bracket 720 is fixed on the inner wall of the kettle body 10.

[0073] The mounting rod 430 is mounted on the mounting bracket 720.

[0074] In other embodiments, the mounting rod 430 can also comprise three or five rods.

[0075] In the embodiment, the self-suction stirrer 20 has a gas flow hole;

[0076] The mounting end 310 of the rotating shaft 30 has a gas flow channel 311 and a self-suction gas inlet hole 312 and a self-suction gas outlet hole 313 which are respectively communicated with the gas flow channel 311, and the self-suction gas inlet hole 312 is communicated with the reaction cavity 101.

[0077] The self-suction gas outlet hole 313 is communicated with the gas flow hole.

[0078] The self-suction stirrer 20 self-sucks the gas in the reaction cavity 101 through the self-suction gas inlet hole, the gas flow channel 311 and the self-suction gas outlet hole 313 on the rotating shaft 30, and then performs secondary distribution of the gas through the gas flow hole on the self-suction stirrer 20. Further improve the gas-liquid reaction effect.

[0079] In this embodiment, the stirring device further includes a driving element connected to the connecting end 320 of the rotating shaft 30 , and the driving element is used to drive the rotating shaft 30 to rotate.

[0080] In this embodiment, the connection end 320 of the rotating shaft 30 is located outside the reaction chamber 101 .

[0081] In this embodiment, the driving element is an electric motor, and the electric motor is further connected to a transformer.

[0082] like Figure 4 As shown, in the stirring apparatus equipped with the flow-guiding device 40, the gas holdup at the location of the heat exchange device 70 (i.e., the location of the sidewall of the kettle body 10) is higher. That is, the stirring apparatus equipped with the flow-guiding device 40 provided in the present application uses the self-priming stirrer 20 and the flow-guiding device 40 to self-absorb and guide the gas in the upper portion of the reaction chamber 101 to the location of the sidewall of the kettle body 10, thereby increasing the gas holdup at the location of the sidewall of the kettle body 10, thereby promoting a full reaction of the gas and liquid in the kettle body 10, thereby reducing the reaction time required for the gas-liquid reaction, reducing the byproducts produced by the gas-liquid reaction, and improving the purity of the finished product after the reaction.

[0083] The above are only preferred embodiments of the present invention and do not limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the contents of the description and drawings of the present invention, directly or indirectly applied in other related technical fields, are also included in the scope of protection of the present invention.

Claims

1. A stirring device, characterized in that: It includes a kettle body, a self-priming stirrer, a rotating shaft and a flow guide device; The kettle body has a reaction chamber; The mounting end of the rotating shaft is located in the reaction chamber and at the central axis of the reaction chamber; The self-priming agitator is arranged on the mounting end of the rotating shaft; The flow guiding device is located below the self-priming agitator, and is used to collect the airflow released by the self-priming agitator to the center axis position of the reaction chamber and guide it to the peripheral side wall position of the reaction chamber.

2. A stirring device according to claim 1, characterized in that, The flow guide device includes a flow guide pipe and a flow guide plate arranged coaxially; The drainage pipe is coaxially arranged with the self-priming stirrer and is located below the self-priming stirrer; The guide plate has a guide channel, the guide channel is communicated with the guide pipe, and one end of the guide channel away from the guide pipe faces the side wall of the kettle body.

3. A stirring device according to claim 2, characterized in that, The guide plate includes an outer wall, a bottom wall and guide blades. The guide blades are arranged between the outer wall and the bottom wall. The outer wall, the bottom wall and the guide blades form the guide channel.

4. A stirring device according to claim 3, characterized in that, The guide blade has an arc-shaped curved surface structure; The guide blades include a plurality of blades, which are evenly distributed along the circumference of the guide plate.

5. A stirring device according to claim 1, characterized in that: The stirring device also includes a propeller stirrer; The propulsion agitator is arranged at the installation end of the rotating shaft. The propulsion agitator is located on a side of the self-priming agitator close to the guide device and is arranged in the guide device.

6. A stirring device according to claim 1, characterized in that: The stirring device further comprises a turbine stirrer, which is arranged at the mounting end of the rotating shaft and is located on a side of the self-priming stirrer away from the flow guide device.

7. A stirring device according to claim 2, characterized in that: The guide device further comprises a mounting rod, one end of which is fixed to the guide tube or the guide plate, and the other end of which is used to be fixed to the kettle body.

8. A stirring device according to claim 1, characterized in that: The stirring device further comprises a heat exchange device, which is arranged in the reaction chamber and fixed on the kettle body.

9. A stirring device according to claim 1, characterized in that: The self-priming stirrer is provided with air flow holes; The mounting end of the rotating shaft has an air flow channel and a self-priming air inlet and a self-priming air outlet respectively connected to the air flow channel, and the self-priming air inlet is connected to the reaction chamber; The self-priming air outlet is communicated with the air flow hole.

10. A stirring device according to claim 1, characterized in that: The stirring device further includes a driving element connected to the connecting end of the rotating shaft, and the driving element is used to drive the rotating shaft to rotate.

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