Reaction ventilation mechanism and reaction kettle

Abstract

The utility model provides a reaction ventilation mechanism and a reaction kettle. The reaction ventilation mechanism comprises a mounting disc, a gas distribution pipe is concentrically and fixedly arranged at the top of the mounting disc, a shaft pipe is rotationally arranged in the gas distribution pipe, the two ends of the gas distribution pipe are rotationally and hermetically connected with the shaft pipe, and the gas distribution pipe is communicated with the interior of the shaft pipe; a gas distribution pipe is arranged in the mounting disc, a gas inlet pipe communicated with the gas distribution pipe is arranged on one side of the gas distribution pipe, a driving part for driving the shaft pipe to rotate is fixedly erected above the mounting disc, an exhaust pipe is arranged at the bottom end of the shaft pipe, gas outlet holes are uniformly formed in the exhaust pipe, and stirring blades are arranged on the outer side of the shaft pipe above the exhaust pipe in a staggered manner; the reaction kettle can reduce the occupied space in the kettle, promote the full contact of gas and liquid, and improve the reaction rate.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reaction kettle, specifically relates to a reaction ventilation mechanism and reaction kettle. BACKGROUND

[0002] In the field of chemical pharmaceutical, the reaction between gas and liquid is very common, in order to make gas can fully react with liquid, need to pass into gas liquid while stirring to liquid, make gas and liquid can fully contact, react, at present, the industry generally helps reaction kettle to realize the above reaction process.

[0003] In prior art, such as the authorization announcement no. CN218834507U Chinese utility model patent document, disclosed with a kind of adjustable reaction atmosphere ternary precursor reaction kettle;There is also such as the authorization announcement no. CN212882370U Chinese utility model patent document, discloses a kind of for ventilation reaction reaction kettle;Above two prior art, both are to set up concentric ring pipe (gas distributor) in the inside of reaction kettle, gas is supplied to the inside of reaction kettle by ring pipe (gas distributor) in reaction process, this ventilation mechanism needs to occupy the larger space in the inside of reaction kettle.

[0004] Therefore, it is needed to design a kind of reaction ventilation mechanism and reaction kettle to reduce the space occupation in kettle, promote gas-liquid contact, improve reaction rate to solve the technical problem faced at present. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model provides a kind of reaction ventilation mechanism and reaction kettle to reduce the space occupation in kettle, promote gas-liquid contact, improve reaction rate.

[0006] The technical scheme of the utility model is: reaction ventilation mechanism, including mounting disc, the top of mounting disc is fixed with concentric gas distribution pipe, the inside of gas distribution pipe is rotatably provided with shaft pipe, both ends of gas distribution pipe are rotatably and sealingly connected between shaft pipe, the inside of gas distribution pipe and shaft pipe is communicated, the side of gas distribution pipe is provided with the air inlet pipe communicated therewith, the driving part for driving the rotation of shaft pipe is fixedly arranged above mounting disc, the bottom end of shaft pipe is provided with exhaust pipe, the exhaust pipe is uniformly provided with gas outlet hole, the shaft pipe outside above exhaust pipe is staggered and provided with stirring blade.

[0007] Gas distribution pipe and shaft pipe have gas distribution cavity, the periphery of shaft pipe is provided with gas distribution hole corresponding to gas distribution cavity, the outside of corresponding shaft pipe in the inside of both ends of gas distribution cavity is sleeved with rotary sealing ring and bearing for sealing rotary connection between gas distribution pipe.

[0008] Both ends of the exhaust pipe are closed, a connecting pipe is provided in the middle of the exhaust pipe, and the end of the connecting pipe is detachably fixedly connected to the bottom end of the shaft pipe via a flange structure.

[0009] The stirring blade is a spiral blade, and one end of the stirring blade is detachably fixedly connected to the shaft tube.

[0010] A mounting seat is fixedly provided on the outer side of the shaft tube, and a mounting groove is provided on the mounting seat. One end of the stirring blade has a connecting end, and the connecting end is inserted into the inside of the mounting groove. A bolt for fixing or releasing it to the connecting end is vertically provided on one side of the mounting seat.

[0011] The driving component has a reducer coaxially connected to the upper end of the shaft tube, the reducer is connected to the motor, and the reducer is fixedly mounted above the mounting plate through a support frame.

[0012] A reaction kettle comprises a kettle body, a kettle cover and the reaction ventilation mechanism as described in any one of the above items, wherein the mounting plate is centrally arranged on the top of the kettle cover.

[0013] Beneficial effects of the utility model:

[0014] (1) In the present invention, the reaction gas enters the gas distribution pipe through the gas inlet pipe, and then enters the shaft pipe and the exhaust pipe in sequence from the gas distribution pipe, and is finally discharged from the gas outlet on the exhaust pipe. While the gas is discharged from the gas outlet, the driving component drives the shaft pipe to drive the exhaust pipe to rotate at a constant speed, so that the gas is discharged evenly inside the kettle body. The bubbles rise under the action of buoyancy, and through the stirring action of the stirring blades, the bubbles can be stirred into small bubbles and stirred evenly between the liquid, thereby promoting full contact between the gas and the liquid and improving the reaction rate.

[0015] (2) The exhaust pipe is set at the bottom end of the shaft tube for installing the stirring blade. The exhaust pipe is used to discharge the reaction gas and can also stir the liquid inside the kettle, reducing the space occupied by the kettle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural diagrams of the reaction ventilation mechanism in the present utility model.

[0017] Figure 2 This is the second structural diagram of the reaction ventilation mechanism in the present utility model.

[0018] Figure 3 for Figure 2 Cross-section view at the middle BB.

[0019] Figure 4 for Figure 3 A partial enlarged view of point C in the middle.

[0020] Figure 5 To Figure 1 A local enlarged view at the middle of A. DETAILED DESCRIPTION

[0021] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely intended to illustrate and not to limit the present application. The present application can be implemented in various forms and is not limited to the embodiments described herein. These embodiments are provided so that the present application is thorough and complete and fully conveys the scope of the present application to those skilled in the art. It should be noted that the relative arrangement of the components and steps set forth in these embodiments, the components of the materials, the numerical expressions, and the values should be interpreted as merely exemplary and not as a limitation unless otherwise specifically stated.

[0022] The terms "first", "second", and similar terms used in the present application do not denote any order, number, or importance, but are used only to distinguish different parts. The terms "comprise" or "include" and similar terms mean that the elements before the term encompass the elements listed after the term, and do not exclude the possibility of also encompassing other elements. "Up", "down", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0023] As Figure 1 shown, the reaction gas passing mechanism, including the mounting disc 1, the top of the mounting disc 1 is concentrically fixedly provided with a gas distribution pipe 3, the inside of the gas distribution pipe 3 is rotatably provided with a shaft pipe 5, both ends of the gas distribution pipe 3 are rotatably and sealingly connected between the shaft pipe 5, the inside of the gas distribution pipe 3 and the shaft pipe 5 is connected, one side of the gas distribution pipe 3 is provided with an air inlet pipe 31 communicated therewith, the upper side of the mounting disc 1 is fixedly provided with a driving component 4 driving the rotation of the shaft pipe 5, the bottom end of the shaft pipe 5 is provided with an exhaust pipe 7, the exhaust pipe 7 is uniformly provided with a gas outlet hole 71, the outside of the shaft pipe 5 above the exhaust pipe 7 is staggered provided with stirring blades 6; in this embodiment, the reaction gas enters the gas distribution pipe 3 through the air inlet pipe 31, then enters the inside of the shaft pipe 5 and the exhaust pipe 7 in turn from the gas distribution pipe 3, and finally is discharged outwardly from the gas outlet hole 71 on the exhaust pipe 7, while the gas is discharged outwardly from the gas outlet hole 71, the driving component 4 drives the shaft pipe 5 to drive the exhaust pipe 7 to rotate at a uniform speed, so that the gas is uniformly discharged in the inside of the kettle body, the bubbles rise under the action of buoyancy, and after the stirring action of the stirring blades 6, the bubbles can be stirred into small bubbles and uniformly stirred with the liquid, promoting the full contact of gas and liquid and improving the reaction rate; the exhaust pipe 7 is arranged at the position of the bottom end of the shaft pipe 5 for mounting the stirring blades 6, the exhaust pipe 7 is used for discharging reaction gas and also can stir the liquid in the inside of the kettle body, reducing the occupation of the space in the kettle.

[0024] In some embodiments, as shown in Figure 2 , 3 and 4, the gas distribution pipe 3 has a gas distribution cavity 32 between the shaft pipe 5, the shaft pipe 5 is provided with a gas distribution hole 51 corresponding to the gas distribution cavity 32, and the shaft pipe 5 is rotatably connected to the gas distribution pipe 3 at both ends of the gas distribution cavity 32 through a rotating sealing ring 33 and a bearing 34. The bearing 34 is used for the rotatable connection between the shaft pipe 5 and the gas distribution pipe 3, and the rotating sealing ring 33 is used for the rotatable sealing connection between the shaft pipe 5 and the gas distribution pipe 3. The reaction gas enters the inside of the gas distribution cavity 32 from the gas inlet pipe 31, and then enters the inside of the shaft pipe 5 through the gas distribution hole 51.

[0025] In some embodiments, as shown in Figure 1 , the two ends of the exhaust pipe 7 are closed, and the middle part of the exhaust pipe 7 is provided with a connecting pipe 72. The connecting pipe 72 is in communication with the exhaust pipe 7, and the end of the connecting pipe 72 is detachably fixedly connected to the bottom end of the shaft pipe 5 through a flange structure. The flange structure is detachable, which facilitates the dismounting of the exhaust pipe 7 from the bottom end of the shaft pipe 5 for cleaning, maintenance or replacement.

[0026] In some embodiments, the stirring blade 6 is a spiral blade, and one end of the stirring blade 6 is detachably fixedly connected to the shaft pipe 5. After being used for a period of time, the stirring blade 6 may be worn or bent, and needs to be dismounted for replacement or correction. The detachable fixed connection between one end of the stirring blade 6 and the shaft pipe 5 facilitates the maintenance of the stirring blade 6.

[0027] In some embodiments, as shown in Figure 5 , the outer side of the shaft pipe 5 is fixedly provided with a mounting seat 51, and the mounting seat 51 is provided with a mounting groove 511. One end of the stirring blade 6 has a connecting end 61 which is inserted into the inside of the mounting groove 511. A bolt is vertically arranged on one side of the mounting seat 51 for fixing or releasing the connecting end 61. By dismounting the bolt, the stirring blade 6 can be dismounted from the mounting seat 51 for maintenance.

[0028] In some embodiments, the driving component 5 has a speed reducer 41 coaxially connected to the upper end of the shaft pipe 5, and a motor 42 is drivingly connected to the speed reducer 41. The speed reducer 41 is fixedly arranged above the mounting disc 1 through a support frame 2.

[0029] In some embodiments, a reaction kettle is disclosed, which comprises a kettle body, a kettle cover and the reaction gas distribution mechanism in any one of the embodiments. The mounting disc 1 is arranged at the top of the kettle cover, and the shaft pipe 5, the stirring blade 6 and the exhaust pipe 7 are arranged in the inside of the kettle body.

[0030] So far, the various embodiments of the present application have been described in detail. In order to avoid shielding the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0031] The above-described embodiments only express some implementation manners of the present application, which are described in detail and in a specific and detailed manner, but should not be understood as a limitation on the scope of the present application. It should be pointed out that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A reaction gas passage mechanism characterized by comprising: The installation disc is provided with a gas distribution pipe at the top, the inside of the gas distribution pipe is provided with a shaft pipe, the two ends of the gas distribution pipe are rotatably connected with the shaft pipe, the inside of the gas distribution pipe is connected with the inside of the shaft pipe, one side of the gas distribution pipe is provided with an air inlet pipe connected therewith, the upper side of the installation disc is provided with a driving component for driving the rotation of the shaft pipe, the bottom end of the shaft pipe is provided with an exhaust pipe, the exhaust pipe is uniformly provided with air outlet holes, the outside of the shaft pipe above the exhaust pipe is provided with staggered stirring blades.

2. The reaction gas-lifting mechanism of claim 1, wherein: The gas distribution pipe and the shaft pipe are provided with a gas distribution cavity, the periphery of the shaft pipe is provided with a gas distribution hole corresponding to the gas distribution cavity, the outside of the shaft pipe at both ends of the gas distribution cavity is provided with a rotating sealing ring and a bearing for rotatably connecting the gas distribution pipe.

3. The reaction gas-lifting mechanism of claim 1, wherein: The two ends of the exhaust pipe are closed, the middle part of the exhaust pipe is provided with a connecting pipe, the end of the connecting pipe is detachably connected with the bottom end of the shaft pipe through a flange structure.

4. The reaction gas-lifting mechanism of claim 1, wherein: The stirring blade is a spiral blade, one end of the stirring blade is detachably connected with the shaft pipe.

5. The reaction gas sparger of claim 4, wherein: The outside of the shaft pipe is fixedly provided with a mounting seat, the mounting seat is provided with a mounting groove, one end of the stirring blade is provided with a connecting end, the connecting end is inserted into the inside of the mounting groove, the mounting seat is provided with a bolt on one side for fixing or releasing the connecting end.

6. The reaction gas sparger of claim 1, wherein: The driving component is provided with a speed reducer coaxially connected with the upper end of the shaft pipe, the speed reducer is provided with a motor, the speed reducer is fixedly arranged on the upper side of the installation disc through a support frame.

7. A reactor vessel characterized by: The installation disc is provided in the center of the top of the kettle cover.

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