Detachable catalyst blade and reaction kettle body

Abstract

The application discloses detachable catalyst blade and a reaction kettle body, relates to the technical field of catalytic reaction kettles, and comprises a supporting frame, a fixing frame, blades and a central cylinder. The top end of the central cylinder is provided with the supporting frame, and the lower end is provided with the fixing frame. A plurality of blades are detachably connected to the fixing frame. The central cylinder is internally hollow and used for penetrating a stirring rod. The edge of the supporting frame is overlapped on the upper opening of the reaction kettle. The blades are used for attaching catalysts and can be electrified. The detachable blades arranged on the fixing frame form an integral whole, the reaction kettle is conveniently fixed and in and out, the catalytic reaction area is increased, the appropriate catalytic area can be selected according to the reaction requirement, and the blades can be rapidly detached and installed. The stirring rod penetrates the central cylinder, the blades and the stirring rod are independently arranged, and the mass transfer limitation problem caused by stirring movement can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of catalytic reaction kettles, in particular to a detachable catalyst blade and a reaction kettle body. BACKGROUND

[0002] The reaction kettle is a reaction container and is widely used in the chemical and biological fields for pilot production or production. When the reaction in the reaction kettle involves a catalytic reaction, the catalytic area of the catalyst has a greater impact on the reaction. Currently, a steel plate is directly placed in the reaction kettle, the steel plate is coated with a catalyst, and the steel plate is connected by a wire and led out of the reaction kettle to be connected to electricity. However, the steel plate will swing with the stirring of the stirring paddle, the reaction area is relatively small, and the fixing method has limitations. SUMMARY

[0003] The purpose of the present application is to provide a detachable catalyst blade and a reaction kettle body to solve the problems existing in the prior art, make the fixing of the catalyst blade firm and reliable, increase the reaction area, and improve the mass transfer efficiency.

[0004] To achieve the above purpose, the present application provides the following scheme:

[0005] The present application provides a detachable catalyst blade, which comprises a support frame, a fixing frame, a blade and a center cylinder, the top end of the center cylinder is provided with the support frame, the lower end is provided with the fixing frame, a plurality of blades are detachably connected to the fixing frame, the inside of the center cylinder is hollow and used for penetrating a stirring rod, the edge of the support frame is overlapped on the upper opening of the reaction kettle, the blade is used for attaching a catalyst and can be electrified.

[0006] Preferably, the support frame comprises an inner ring, an outer ring and an auxiliary support, the inner ring and the outer ring are connected by a plurality of auxiliary supports, the auxiliary supports are evenly arranged along the radial direction of the outer ring, and the inner ring is fixedly connected with the end of the center cylinder.

[0007] Preferably, a C-shaped sealing ring is sleeved on the outer ring, and the outer ring is clamped between the upper opening of the reaction kettle and the kettle cover.

[0008] Preferably, the support frame, the fixing frame, the blade and the center cylinder are all made of conductive material, and a wire for connecting electricity is connected to the support frame; the two ends of the center cylinder are respectively welded with the support frame and the fixing frame.

[0009] Preferably, the fixing frame is provided with two, the two fixing frames are oppositely arranged and the distance between them is at least 15 cm, and the two ends of the blade are detachably connected with the fixing frame.

[0010] Preferably, the fixing frame is provided with a fixing slot in the shape of a U-shaped section, and two fixing slots are provided on the fixing frame in a corresponding manner, and the blade is clamped in the fixing slot.

[0011] Preferably, the fixing slot is uniformly distributed along the circumference of the central cylinder, and at least two fixing slots are provided, and one side of each fixing slot is provided with a bolt hole for connecting the blade.

[0012] Preferably, the two ends of the blade are provided with connecting ears, and the connecting ears are connected to the fixing frame by bolts.

[0013] The application also discloses a reaction kettle body comprising the detachable catalyst blade, the stirring paddle, the reaction kettle and the kettle cover, the reaction kettle and the kettle cover are detachably connected, the support frame is sealingly clamped between the upper opening of the reaction kettle and the kettle cover, the stirring rod of the stirring paddle penetrates through the kettle cover and the central cylinder, the blade is located below the fixing frame, the blade is attached with a catalyst, the detachable catalyst blade can conduct electricity, and the support frame is connected with a wire.

[0014] Preferably, the reaction kettle is made of transparent material and is provided with scale lines on the surface of the kettle body, the blade of the stirring paddle is located at least 1 cm below the fixing frame, the stirring rod is located at the center of the central cylinder and does not contact the cylinder wall of the central cylinder, and the outer edge of the blade is smaller than the diameter of the upper opening of the reaction kettle.

[0015] The application has the following technical effects relative to the prior art:

[0016] The application forms a whole by arranging the detachable blade on the fixing frame, facilitates the fixation and access to the reaction kettle, increases the area of the catalytic reaction, and can select a suitable catalytic area according to the reaction requirement and rapidly detach and install the blade. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only constitute some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 Fig. 1 is a structural schematic view of a reaction kettle body in the embodiment of the application;

[0019] Figure 2 Fig. 2 is a structural schematic view of a detachable catalyst blade in the embodiment of the application.

[0020] Figure 3 It is a structural schematic view of the support frame in the embodiment of the present application.

[0021] Figure 4 It is a structural schematic view of the fixing frame in the embodiment of the present application.

[0022] Figure 5 It is a structural schematic view of the blade in the embodiment of the present application.

[0023] Wherein: 1 - reactor, 2 - stirring paddle, 3 - support frame, 4 - C type sealing ring, 5 - center tube, 6 - fixing frame, 7 - blade, 8 - cover, 9 - bolt, 10 - fixed slot, 11 - connecting lug, 12 - auxiliary support, 13 - bolt hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort belong to the scope of protection of the present application.

[0025] The purpose of the present application is to provide a detachable catalyst blade and reactor body to solve the problems existing in the prior art, so that the catalyst blade is fixed firmly and reliably, the reaction area is increased, and the mass transfer efficiency is improved.

[0026] In order to make the above-mentioned purposes, characteristics and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0027] Embodiment one

[0028] As shown in the figure: the embodiment provides a detachable catalyst blade, which comprises a support frame 3, a fixing frame 6, a blade 7 and a center tube 5, the top end of the center tube 5 is provided with the support frame 3, the lower end is provided with the fixing frame 6, a plurality of blades 7 are detachably connected on the fixing frame 6, the inside of the center tube 5 is hollow and used for penetrating the stirring rod, the edge of the support frame 3 is overlapped on the upper opening of the reactor 1, the blade 7 is used for adhering catalyst and can be charged. Figures 2 to 5

[0029] ​As a preferred solution, the support frame 3 in the embodiment comprises an inner ring, an outer ring and auxiliary supports 12, the inner ring and the outer ring are connected by the auxiliary supports 12, the auxiliary supports 12 are evenly distributed along the radial direction of the outer ring, the inner ring is fixedly connected with the end of the center cylinder 5, which not only guarantees the smoothness of the kettle opening, but also plays a hanging support role for the center cylinder 5. The C-shaped sealing ring 4 is sleeved on the outer ring, and the outer ring is clamped between the upper opening of the reaction kettle 1 and the kettle cover 8, and the C-shaped sealing ring 4 can provide good sealing performance.

[0030] As a preferred solution, the support frame 3, the fixed frame 6, the blade 7 and the center cylinder 5 in the embodiment are all made of conductive materials, wires for connecting electricity are connected to the support frame 3, so that the blade 7 is electrified, which is convenient for electrochemical catalytic reaction. The two ends of the center cylinder 5 are respectively welded with the support frame 3 and the fixed frame 6, so as to form an integral whole, which is convenient for integrated taking out and putting into the reaction kettle 1. The fixed frame 6 can fix the blade 7, so as to avoid rotating the blade 7 while rotating the stirring paddle 2.

[0031] As a preferred solution, two fixed frames 6 are arranged in the embodiment, the two fixed frames 6 are oppositely arranged and the distance between them is at least 15 cm, and the two ends of the blade 7 are detachably connected with the fixed frames 6. In the embodiment, the height of the blade 7 is about 20 cm, the width is about 7.5 cm, and the thickness is about 2 mm, which is suitable for a reaction kettle 1 with a capacity of about 20 L. The fixed frame 6 is provided with a fixed slot 10 (a through slot not communicating with the upper and lower surfaces) with a U-shaped cross section, the fixed slots 10 on the two fixed frames 6 are correspondingly arranged, one end of the blade 7 is clamped in the fixed slot 10, and the blade 7 is further positioned and fixed. The fixed slot 10 is evenly distributed along the circumferential direction of the center cylinder 5 by at least two, and each fixed slot 10 is provided with a bolt hole 13 on one side, which is used for connecting the blade 7. The fixed frame 6 and the blade 7 form a split structure, avoiding the use of integral welding form, and the area of the blade 7 (catalyst) cannot be changed in different reactions. In the embodiment, the fixed frame 6 is disc-shaped, the center cylinder 5 is cylindrical, and the fixed slots 10 are evenly distributed along the radial direction of the disc. The two ends of the blade 7 are provided with connecting ears 11, which are connected to the fixed frame 6 by bolts 9. In the embodiment, the fixed slot 10 is provided with 35 fixed slots, and the installation number and position of the blade 7 can be set according to experimental requirements, and the position is not required to be symmetrical. In actual reaction, the installation number of the blade 7 can be used to adjust the total catalytic area, thereby improving the feasibility and adaptability of practical application; at the same time, due to the detachability of the blade 7, the material of the blade 7 is not limited, so that blades 7 with different materials can be selected, such as stainless steel and titanium.

[0032] Embodiment two

[0033] As Figure 1As shown: the embodiment discloses a reaction kettle body, including the detachable catalyst blade in embodiment one, the stirring paddle 2, the reaction kettle 1 and the kettle cover 8, the reaction kettle 1 and the kettle cover 8 can be detachably connected (clamping or through bolt, buckle connection), the support frame 3 is sealed and clamped between the upper mouth of the reaction kettle 1 and the kettle cover 8, the stirring rod of the stirring paddle 2 penetrates the kettle cover 8 and the center cylinder 5, the blade is located below the fixed frame 6, the blade 7 is attached with catalyst, the detachable catalyst blade can conduct electricity, the support frame 3 is connected with the wire. The kettle cover 8 is inserted with temperature meter, ph meter and other detection instruments, and each reaction parameter in the reaction kettle 1 is detected.

[0034] The reaction kettle 1 is transparent material (tempered glass) and the kettle body surface is provided with scale line, the blade of the stirring paddle 2 is located below the fixed frame 6 at least 1cm, the stirring rod is located in the center of the center cylinder 5 and does not contact with the cylinder wall of the center cylinder 5, to avoid driving the blade 7 to rotate, because the fixed frame 6 and the blade 7 do not contact with the stirring rod, and do not contact together, the cross-sectional shape of the fixed frame 6 and the center cylinder 5 is not limited to circular, which can meet the use requirement. The outer edge of the installed blade 7 is less than the upper mouth diameter of the reaction kettle 1, which is convenient for the whole to enter and exit the reaction kettle 1.

[0035] The embodiment forms integrated structure by setting detachable blade 7 on the fixed frame 6, increases the area of catalytic reaction, and is convenient for fixing and entering and exiting the reaction kettle 1; the stirring rod penetrates the center cylinder 5, realizes the independent structure form of the blade 7 and the stirring paddle 2, can effectively avoid the mass transfer limited problem caused by stirring movement; the detachable blade 7 can select appropriate catalytic area according to reaction requirement, and can quickly disassemble and install the blade 7.

[0036] The principle and implementation mode of the present application are described in the specific examples in the specification, and the above embodiment is only used to help understand the method and core idea of the present application; meanwhile, for the general technical personnel in the art, according to the idea of the present application, the specific implementation mode and application range can be changed. In view of the above, the content of the specification should not be understood as the limitation of the present application.

Claims

1. A reactor vessel characterized by: The detachable catalyst blade, stirring paddle, reaction kettle and kettle cover are detachably connected, the detachable catalyst blade comprises a support frame, a fixing frame, a blade and a center cylinder, the top end of the center cylinder is provided with the support frame, the lower end is provided with the fixing frame, a plurality of the blades are detachably connected on the fixing frame, the inside of the center cylinder is hollow and used for penetrating a stirring rod, the edge of the support frame is overlapped on the upper opening of the reaction kettle, the support frame is sealingly clamped between the upper opening of the reaction kettle and the kettle cover, the stirring rod of the stirring paddle penetrates the kettle cover and the center cylinder, the paddle blade is located below the fixing frame, the blade is attached with a catalyst, the detachable catalyst blade can conduct electricity, and the support frame is connected with a wire ； The support frame comprises an inner ring, an outer ring and auxiliary supports, the inner ring and the outer ring are connected by the auxiliary supports, the auxiliary supports are arranged along the radial direction of the outer ring, and the inner ring is fixedly connected with the end of the center cylinder; The fixing frame is provided with two fixing frames, the two fixing frames are oppositely arranged and the distance between the two fixing frames is at least 15 cm, and the two ends of the blade are detachably connected with the fixing frames; the fixing frame is provided with a fixing slot with a U-shaped cross section, the fixing slots on the two fixing frames are correspondingly arranged, and the blade is clamped in the fixing slot.

2. The reactor vessel of claim 1, wherein: A C-shaped sealing ring is sleeved on the outer ring, and the outer ring is clamped between the upper opening of the reaction kettle and the kettle cover.

3. The reactor vessel of claim 1, wherein: The support frame, the fixing frame, the blade and the center cylinder are all made of conductive material, and a wire for connecting electricity is connected to the support frame; the two ends of the center cylinder are respectively welded with the support frame and the fixing frame.

4. The reactor vessel of claim 1, wherein: The fixing slot is arranged at least 2 along the circumferential direction of the center cylinder, and a bolt hole is arranged on one side of each fixing slot, which is used for connecting the blade.

5. The reactor vessel of claim 1, wherein: The two ends of the blade are provided with connecting ears, and the connecting ears are connected to the fixing frame by bolts.

6. The reactor vessel of claim 1, wherein: The reaction kettle is made of transparent material and is provided with scale lines on the surface of the kettle body, the blade of the stirring paddle is located at least 1 cm below the fixing frame, the stirring rod is located at the center of the center cylinder and does not contact with the cylinder wall of the center cylinder, and the outer edge of the blade is smaller than the diameter of the upper opening of the reaction kettle.

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