Spherical reaction kettle

Abstract

The utility model relates to the field of chemical engineering, in particular to a spherical reaction kettle which comprises a spherical reaction kettle body, a stirring assembly and a motor, the motor drives the stirring assembly to rotate to stir reaction substances in the spherical reaction kettle body; the spherical reaction kettle body comprises an outer protection spherical shell, an outer heat preservation spherical shell and an inner heat conduction spherical shell; the outer protective spherical shell is fixed to the outer surface of the outer thermal insulation spherical shell; the inner heat conduction spherical shell is located in the outer heat preservation spherical shell. A medium cavity is formed between the inner heat conduction spherical shell and the outer heat preservation spherical shell. The stirring assembly comprises a stirring shaft, a centrifugal stirring paddle and a lifting stirring paddle; the motor drives the stirring shaft to rotate; the stirring shaft is vertically arranged and penetrates through the sphere center of the inner heat conduction sphere shell; a plurality of air inlet holes are formed in the top of the stirring shaft; the centrifugal stirring paddle is mounted at the bottom of the stirring shaft; the lifting stirring paddle is fixed to the stirring shaft; a hollow air guide channel is formed in the stirring shaft. The stirring device disclosed by the utility model has the beneficial effect of better stirring effect.

Description

Technical Field

[0001] The utility model relates to the field of chemical industry, in particular to a spherical reaction kettle. Background Art

[0002] Reactors are key equipment in the production process of the chemical industry. Reactors can accommodate chemical reactions under high pressure and high temperature conditions, and can be heated or cooled during the reaction process to adjust the reaction rate and product yield. They are widely used in the fields of pharmaceuticals, polymer industry, organic synthesis, etc.

[0003] Common reactors are cylindrical, spherical and conical. In order to evenly distribute the reaction substances inside the reactor, stirring equipment needs to be set up for stirring. How to improve the stirring efficiency and stirring effect is an important research direction of the reactor. Utility Model Content

[0004] The purpose of the utility model is to provide a spherical reactor to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A spherical reactor, comprising: a spherical reactor body, a stirring assembly and a motor; the motor drives the stirring assembly to rotate to stir the reaction material in the spherical reactor body;

[0007] The spherical reactor body comprises: an outer protective spherical shell, an outer heat-insulating spherical shell and an inner heat-conducting spherical shell; the outer protective spherical shell is fixed to the outer surface of the outer heat-insulating spherical shell; the inner heat-conducting spherical shell is located inside the outer heat-insulating spherical shell; a medium cavity is formed between the inner heat-conducting spherical shell and the outer heat-insulating spherical shell;

[0008] The stirring assembly includes: a stirring shaft, a centrifugal stirring paddle and a material-lifting stirring paddle; the motor drives the stirring shaft to rotate; the stirring shaft is vertically arranged and passes through the center of the inner heat-conducting ball shell; a plurality of air inlet holes are arranged on the top of the stirring shaft; the centrifugal stirring paddle is installed on the bottom of the stirring shaft; the material-lifting stirring paddle is fixed to the stirring shaft; the stirring shaft is formed with a hollow air guide channel;

[0009] The centrifugal stirring paddle comprises a plurality of centrifugal blades; the centrifugal blades are formed with a blade airflow channel; the hollow air guide channel connects the blade airflow channel and the air inlet; an air outlet is formed at one end of the blade airflow channel away from the stirring shaft; when the centrifugal stirring paddle rotates, negative pressure is generated at the air outlet, driving the airflow to pass through the air inlet, through the hollow air guide channel and the blade airflow channel and be discharged from the air outlet;

[0010] The material lifting stirring paddle comprises: a plurality of material lifting paddles; the material lifting paddles are fixed to the stirring shaft through a connecting rod; the plurality of material lifting paddles are evenly distributed around the stirring shaft;

[0011] The lifting blade extends from the lower end to the upper end in a direction opposite to the rotation direction of the lifting blade, and the lifting blade extends upward along the inner wall surface of the inner heat-conducting ball shell from the lower end to the upper end.

[0012] As a further solution of the utility model: the upper end surface of the lifting blade is located in the horizontal plane where the center of the inner heat-conducting spherical shell is located.

[0013] As a further solution of the utility model: the end surfaces of all the lifting blades facing the inner heat-conducting spherical shell are all on a spherical surface; the center of the spherical surface is the same as the center of the inner heat-conducting spherical shell.

[0014] As a further solution of the utility model: the outer insulation ball shell and the inner heat-conducting ball shell are fixed as a whole through an interlayer plate; the interlayer plate is arranged horizontally; the interlayer plate divides the medium cavity into an upper cavity and a lower cavity; an upper heat-conducting coil for regulating the temperature in the upper cavity is provided in the upper cavity; and a lower heat-conducting coil for regulating the temperature in the lower cavity is provided in the lower cavity.

[0015] As a further solution of the utility model: the isolation plate and the center of the inner heat-conducting spherical shell are located at the same height.

[0016] As a further solution of the utility model: the spherical reactor body is provided with a discharge pipe; the discharge pipe is arranged at the bottom of the spherical reactor body, and passes through the outer protective spherical shell, the outer heat-insulating spherical shell and the inner heat-conducting spherical shell;

[0017] The axis of the discharge pipe and the axis of the stirring shaft are located in the same straight line.

[0018] As a further solution of the utility model: the spherical reactor body is provided with a feed pipe; the feed pipe passes through the outer protective spherical shell, the outer heat-insulating spherical shell and the inner heat-conducting spherical shell; the height of the outlet of the feed pipe is not lower than the height of the air inlet hole.

[0019] As a further solution of the utility model: the cavity top and cavity bottom of the upper cavity and the lower cavity are respectively provided with a medium inlet pipe and a medium outlet pipe.

[0020] Compared with the prior art, the utility model has the beneficial effect of having a better stirring effect.

[0021] The centrifugal stirring paddle can generate air flow movement, flush the gas at the top of the reactor into the reaction liquid, and use the gas movement to accelerate stirring, thereby improving stirring efficiency and stirring effect.

[0022] The lifting blades of the lifting stirring paddle cooperate with the inner wall of the reactor to drive the reaction liquid to rotate in the reactor while lifting it along the inner wall of the reactor and pouring it toward the middle of the reactor under the guidance of the arched bulge on the top of the reactor to achieve three-dimensional stirring.

[0023] The upper chamber and the lower chamber can be temperature controlled separately. The upper part of the reactor is mainly gas and the lower part of the reactor is mainly reactive material. The upper and lower chambers can be temperature controlled separately to save energy and facilitate control based on gas characteristics and reactive material temperature characteristics.

[0024] Other features and advantages of the present invention will be disclosed in detail in the following specific implementations and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of a spherical reactor of the utility model;

[0026] Figure 2 yes Figure 1 A schematic diagram of a partial structure of a spherical reactor, showing the composition of the spherical reactor body;

[0027] Figure 3 yes Figure 1 A schematic diagram of a top view of a material lifting blade of a spherical reactor;

[0028] Figure 4 yes Figure 1 Schematic diagram of a top view of a centrifugal stirring paddle of a spherical reactor.

[0029] List of reference numerals: spherical reactor 100, spherical reactor body 10, outer protective spherical shell 11, outer heat-insulating spherical shell 12, inner heat-conducting spherical shell 13, partition plate 14, upper chamber 101, lower chamber 102, discharge pipe 103, feed pipe 104, medium inlet pipe 105, medium outlet pipe 106, stirring assembly 20, stirring shaft 21, air inlet hole 211, centrifugal stirring paddle 22, centrifugal blade 221, lifting stirring paddle 23, lifting blade 231, upper end 2311, lower end 2312, connecting rod 232, motor 30, upper heat-conducting coil 41, lower heat-conducting coil 42. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figures 1 to 4 In an embodiment of the utility model, a spherical reactor 100 includes: a spherical reactor body 10, a stirring assembly 20 and a motor 30. The motor 30 drives the stirring assembly 20 to rotate to stir the reaction material in the spherical reactor body 10.

[0032] The spherical reactor body 10 includes: an outer protective spherical shell 11, an outer heat-insulating spherical shell 12 and an inner heat-conducting spherical shell 13. The outer protective spherical shell 11 is fixed to the outer surface of the outer heat-insulating spherical shell 12. The inner heat-conducting spherical shell 13 is located inside the outer heat-insulating spherical shell 12. A medium cavity is formed between the inner heat-conducting spherical shell 13 and the outer heat-insulating spherical shell 12.

[0033] The stirring assembly 20 includes: a stirring shaft 21, a centrifugal stirring paddle 22 and a material-lifting stirring paddle 23. The motor 30 drives the stirring shaft 21 to rotate. The stirring shaft 21 is vertically arranged and passes through the center of the inner heat-conducting ball shell 13. A plurality of air inlet holes 211 are provided at the top of the stirring shaft 21. The centrifugal stirring paddle 22 is mounted to the bottom of the stirring shaft 21. The material-lifting stirring paddle 23 is fixed to the stirring shaft 21. The stirring shaft 21 is formed with a hollow air guide channel.

[0034] The centrifugal stirring paddle 22 includes a plurality of centrifugal blades 221. The centrifugal blades 221 are formed with a blade airflow channel. The hollow air guide channel connects the blade airflow channel and the air inlet 211. An air outlet is formed at one end of the blade airflow channel away from the stirring shaft 21. When the centrifugal stirring paddle 22 rotates, negative pressure is generated at the air outlet, driving the airflow through the air inlet 211, through the hollow air guide channel and the blade airflow channel, and discharged from the air outlet.

[0035] The material lifting stirring paddle 23 includes: a plurality of material lifting blades 231. The material lifting blades 231 are fixed to the stirring shaft 21 through a connecting rod 232. The plurality of material lifting blades 231 are evenly distributed around the stirring shaft 21. Specifically, the number of the material lifting blades 231 is two. The material lifting blades 231 rise in a spiral from bottom to top, and the diameter of the spiral gradually increases from bottom to top.

[0036] The lifting blade 231 extends from the lower end 2312 to the upper end 2311 in a direction opposite to the rotation direction of the lifting blade 231 and extends upward along the inner wall surface of the inner heat conductive ball housing 13 from the lower end 2312 to the upper end 2311 .

[0037] As a preferred embodiment, the upper end surface of the lifting blade 231 is located in the horizontal plane where the center of the inner heat-conducting spherical shell 13 is located.

[0038] As a preferred embodiment, the end surfaces of all the lifting blades 231 facing the inner heat-conducting spherical shell 13 are all on a spherical surface. The center of the spherical surface is the same as the center of the inner heat-conducting spherical shell 13.

[0039] As a preferred embodiment, the outer heat-insulating spherical shell 12 and the inner heat-conducting spherical shell 13 are fixed as a whole by an interlayer plate 14. The interlayer plate 14 is arranged horizontally. The interlayer plate 14 divides the medium cavity into an upper cavity 101 and a lower cavity 102. An upper heat-conducting coil 41 for regulating the temperature in the upper cavity 101 is arranged in the upper cavity 101. A lower heat-conducting coil 42 for regulating the temperature in the lower cavity 102 is arranged in the lower cavity 102.

[0040] As a preferred embodiment, the partition plate 14 and the center of the inner heat-conducting spherical shell 13 are located at the same height.

[0041] As a preferred embodiment, the spherical reactor body 10 is provided with a discharge pipe 103. The discharge pipe 103 is arranged at the bottom of the spherical reactor body 10, and passes through the outer protective spherical shell 11, the outer heat-insulating spherical shell 12 and the inner heat-conducting spherical shell 13.

[0042] The axis of the discharge pipe 103 and the axis of the stirring shaft 21 are located on the same straight line.

[0043] As a preferred embodiment, the spherical reactor body 10 is provided with a feed pipe 104. The feed pipe 104 passes through the outer protective spherical shell 11, the outer heat-insulating spherical shell 12 and the inner heat-conducting spherical shell 13. The height of the outlet of the feed pipe 104 is not lower than the height of the air inlet 211.

[0044] As a preferred embodiment, the top and bottom of the upper chamber 101 and the lower chamber 102 are respectively provided with a medium inlet pipe 105 and a medium outlet pipe 106 .

[0045] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A spherical reactor (100), comprising: A spherical reaction kettle body (10), a stirring assembly (20) and a motor (30); the motor (30) drives the stirring assembly (20) to rotate to stir the reaction substances in the spherical reaction kettle body (10); The spherical reactor body (10) is characterized in that the spherical reactor body (10) comprises: an outer protective spherical shell (11), an outer heat-insulating spherical shell (12) and an inner heat-conducting spherical shell (13); the outer protective spherical shell (11) is fixed to the outer surface of the outer heat-insulating spherical shell (12); the inner heat-conducting spherical shell (13) is located inside the outer heat-insulating spherical shell (12); a medium cavity is formed between the inner heat-conducting spherical shell (13) and the outer heat-insulating spherical shell (12); The stirring assembly (20) comprises: a stirring shaft (21), a centrifugal stirring paddle (22) and a material-lifting stirring paddle (23); the motor (30) drives the stirring shaft (21) to rotate; the stirring shaft (21) is vertically arranged and passes through the center of the inner heat-conducting ball shell (13); a plurality of air inlet holes (211) are provided on the top of the stirring shaft (21); the centrifugal stirring paddle (22) is mounted on the bottom of the stirring shaft (21); the material-lifting stirring paddle (23) is fixed to the stirring shaft (21); and the stirring shaft (21) is formed with a hollow air guide channel; The centrifugal stirring paddle (22) comprises a plurality of centrifugal blades (221); the centrifugal blades (221) are formed with blade airflow channels; the hollow air guide channel is connected with the blade airflow channel and the air inlet (211); an air outlet is formed at one end of the blade airflow channel away from the stirring shaft (21); when the centrifugal stirring paddle (22) rotates, negative pressure is generated at the air outlet, driving the airflow to pass through the air inlet (211), through the hollow air guide channel and the blade airflow channel, and be discharged from the air outlet; The material-lifting stirring paddle (23) comprises: a plurality of material-lifting paddles (231); the material-lifting paddles (231) are fixed to the stirring shaft (21) via a connecting rod (232); the plurality of material-lifting paddles (231) are evenly distributed around the stirring shaft (21); The lifting blade (231) extends from the lower end (2312) to the upper end (2311) in a direction opposite to the rotation direction of the lifting blade (231), and the lifting blade (231) extends upward from the lower end (2312) to the upper end (2311) along the inner wall surface of the inner heat-conducting ball shell (13).

2. The spherical reactor (100) according to claim 1, characterized in that: The upper end surface of the lifting blade (231) is located in the horizontal plane where the center of the inner heat-conducting spherical shell (13) is located.

3. The spherical reactor (100) according to claim 1, characterized in that: The end surfaces of all the lifting blades (231) facing the inner heat-conducting spherical shell (13) are all on a spherical surface; the center of the spherical surface is the same as the center of the inner heat-conducting spherical shell (13).

4. The spherical reactor (100) according to claim 1, characterized in that: The outer heat-insulating spherical shell (12) and the inner heat-conducting spherical shell (13) are fixed as a whole via an interlayer plate (14); the interlayer plate (14) is arranged horizontally; the interlayer plate (14) divides the medium cavity into an upper cavity (101) and a lower cavity (102); an upper heat-conducting coil (41) for regulating the temperature in the upper cavity (101) is arranged in the upper cavity (101); and a lower heat-conducting coil (42) for regulating the temperature in the lower cavity (102) is arranged in the lower cavity (102).

5. The spherical reactor (100) according to claim 4, characterized in that: The isolation plate (14) and the center of the inner heat-conducting spherical shell (13) are located at the same height.

6. The spherical reactor (100) according to claim 4, characterized in that: The spherical reaction kettle body (10) is provided with a discharge pipe (103); the discharge pipe (103) is arranged at the bottom of the spherical reaction kettle body (10), and passes through the outer protective spherical shell (11), the outer heat-insulating spherical shell (12) and the inner heat-conducting spherical shell (13); The axis of the discharge pipe (103) and the axis of the stirring shaft (21) are located on the same straight line.

7. The spherical reactor (100) according to claim 6, characterized in that: The spherical reactor body (10) is provided with a feed pipe (104); the feed pipe (104) passes through the outer protective spherical shell (11), the outer heat-insulating spherical shell (12) and the inner heat-conducting spherical shell (13); the height of the outlet of the feed pipe (104) is not lower than the height of the air inlet hole (211).

8. The spherical reactor (100) according to claim 4, characterized in that: The cavity tops and cavity bottoms of the upper cavity (101) and the lower cavity (102) are respectively provided with a medium inlet pipe (105) and a medium outlet pipe (106).

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