Hydrolysis kettle for furfural preparation

By designing a hydrolysis reactor equipped with a mixing tank and a quantitative feeding device, the problem of uneven material mixing was solved, achieving comprehensive mixing and quantitative feeding of materials, thereby improving reaction efficiency and production stability.

CN223517516UActive Publication Date: 2025-11-07HANDAN HONGTONG ORGANIC CHEM IND CO LTD
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Patent Information

Application Number
CN202422714671.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-11-07
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing hydrolysis reactors are unable to achieve complete stirring of materials, resulting in insufficient mixing of components, low reaction efficiency, and difficulty in ensuring uniform distribution of materials within the reactor.

Method used

A hydrolysis reactor comprising a mixing tank, a mixing device, and a quantitative feeding device was designed. The rotating rod driven by a motor drives the mixing blades and the support rod to move in tandem. Combined with the cooperation of the rollers and the fixed block, the material is fully mixed. Quantitative feeding is achieved through the linkage of the extrusion rod and the positioning rod, ensuring that the amount of material discharged each time is consistent.

Benefits of technology

It achieves comprehensive mixing and quantitative feeding of materials, improves reaction efficiency and production stability, ensures uniform distribution of materials in the reactor, and reduces the risk of mechanical failure and human error.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hydrolysis kettles, and provides a hydrolysis kettle for furfural preparation, which comprises a stirring barrel, and a discharge hole is formed in the circumferential surface of the stirring barrel; a stirring device is arranged in the stirring barrel and comprises a motor, the motor is fixedly connected to the top of the stirring barrel, an output shaft of the motor is fixedly connected with a rotating rod, the circumferential surface of the rotating rod is fixedly connected with stirring blades, and the circumferential surface of the rotating rod is fixedly connected with a clamping block; an adjusting structure is arranged in the stirring barrel and comprises a disc, and the disc is arranged on the circumferential surface of the rotating rod. According to the technical scheme, the problems that in the prior art, the effect of stirring materials is difficult to achieve, comprehensive stirring of the materials is difficult to achieve, full mixing of all components is difficult to ensure, the reaction efficiency is reduced, and uniform distribution of the materials in the whole reaction kettle is difficult to ensure are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydrolysis kettle technical field, specifically, relate to a hydrolysis kettle for furaldehyde preparation. BACKGROUND

[0002] Furfural is an organic compound, chemical formula is C5H4O, belongs to aldehyde substance, it usually obtains by pyrolysis reaction from plant cellulose or wood and so on agricultural by -products, is an important industrial chemical raw material.

[0003] According to the hydrolysis kettle for preparing methyl sulfonic acid (public no. : CN221514488U) of a kind of public, the top of the hydrolysis kettle body is fixedly connected with sealing cover, the top of the sealing cover is fixedly connected with support piece, the top of the support piece is connected with lifting assembly, the top of the lifting assembly is fixedly connected with driving motor, the output end of the driving motor is fixedly connected with rotating rod, the bottom of the rotating rod is penetrated and extends to sealing cover and extends to hydrolysis kettle body, the top of the rotating rod outer surface is fixedly connected with cleaning assembly, but the above-mentioned device is difficult to realize the effect of stirring material by sealing cover, hydrolysis kettle and driving motor and other components cooperation, it is difficult to realize the overall stirring of material, it is difficult to ensure that each component is fully mixed, thereby reducing reaction efficiency, it is difficult to ensure that material is evenly distributed in the whole reaction kettle, and improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of hydrolysis kettle for furaldehyde preparation, solve the problem raised in the above document.

[0005] The technical scheme of the utility model is as follows: a kind of hydrolysis kettle for furaldehyde preparation, including stirring barrel, the circumferential surface of the stirring barrel is provided with discharge gate;

[0006] The inside of the stirring barrel is provided with stirring device, the stirring device includes motor, the motor is fixedly connected at the top of stirring barrel, the output shaft of the motor is fixedly connected with rotating rod, the circumferential surface of the rotating rod is fixedly connected with stirring blade, the circumferential surface of the rotating rod is fixedly connected with clamping block, the inside of the stirring barrel is provided with adjusting structure.

[0007] The adjusting structure includes disc, the disc is arranged on the circumferential surface of rotating rod, the bottom of the disc is fixedly connected with support rod, the circumferential surface of the support rod is fixedly connected with stirring rod, the bottom of the support rod is fixedly connected with fixed rod, the bottom of the fixed rod is provided with gyro wheel, the inner wall of stirring barrel is fixedly connected with fixed plate, the top of the fixed plate is fixedly connected with fixed block, the linkage of rotating rod, stirring blade and support rod can realize the overall stirring of material, ensure that each component is fully mixed, thereby improve reaction efficiency.

[0008] The fixed blocks are located on the movement track of the rollers, the number of the fixed blocks is set to several, and the fixed blocks are arranged in a circumferential array on the top of the fixed plate, the cooperation of the rollers and the fixed blocks is designed, the accurate control of the supporting rods is realized, the stability and flexibility of the stirring rods during the up-down movement are guaranteed, and mechanical failure is avoided.

[0009] The inside of the stirring barrel is provided with a quantitative discharging device, the quantitative discharging device comprises an extrusion rod, the extrusion rod is fixedly connected to the circumferential surface of the stirring rod, the inner wall of the stirring barrel is rotationally connected with a rotating rod, the circumferential surface of the rotating rod is fixedly connected with a baffle, the circumferential surface of the rotating rod is fixedly connected with a positioning rod, the linkage design of the extrusion rod and the positioning rod ensures that the amount of discharged material is consistent each time, reduces manual errors, and improves production stability.

[0010] The positioning rod is located on the movement track of the extrusion rod, and the baffle is located on the side of the discharge port, and the opening and closing of the baffle can realize rapid discharge of the material, reduce the operation time, and improve the production efficiency.

[0011] The circumferential surface of the rotating rod is fixedly connected with a torsional spring, one end of the torsional spring away from the rotating rod is fixedly connected with the inner wall of the stirring barrel, and the setting of the torsional spring can reset the rotating rod, the discharge port is closed, the amount of raw material used each time is accurate, and waste is reduced.

[0012] The initial state of the torsional spring is a relaxed state, the inner wall of the disc is provided with a clamping groove, and the design of the clamping groove can drive the rotating rod to rotate the disc, thereby increasing the stirring effect.

[0013] The side surface of the clamping block is slidably connected with the inner wall of the clamping groove, the number of the stirring blades is set to several, and the stirring blades are arranged in a circumferential array on the circumferential surface of the rotating rod, and the uniform stirring and effective up-down movement of the stirring blades can significantly improve the reaction rate, thereby shortening the reaction time and improving the production efficiency.

[0014] The number of the clamping blocks is set to two, and the clamping blocks are mutually symmetrical along the vertical central axis of the rotating rod, the top of the stirring barrel is provided with a feeding port, and the design of the clamping blocks can effectively transmit power to the stirring blades and the stirring rod, reduce the burden of direct driving, and reduce the power consumption of the motor.

[0015] The circumferential surface of the stirring barrel is fixedly connected with a mounting bracket, the bottom of the mounting bracket is fixedly connected with a supporting leg, the number of the stirring rods is set to several, and the stirring rods are arranged in a linear array on the circumferential surface of the supporting rod, the design of the supporting leg can increase the stability of the device, can effectively avoid overload or unstable conditions, reduce the risk of equipment failure, and improve the operation safety.

[0016] The working principle and beneficial effects of the utility model are as follows:

[0017] 1. The utility model discloses a rotating force of rotating rod driven by motor and the cooperation of disc, clamping block and clamping groove etc. components in the stirring device, when the roller is separated from the fixed block, the supporting rod resets through its gravity, which realizes the effect of uniform stirring material, can realize the overall stirring of material, ensures that each component is fully mixed, thereby improves the reaction efficiency, ensures that the material is evenly distributed in the whole reaction kettle.

[0018] 2. The utility model discloses the cooperation of fixed plate, supporting rod and positioning rod etc. components in the stirring device through the rotation of stirring rod and driving extruding rod, when the extruding rod is far from the positioning rod, the rotating rod resets through the elastic force of torsional spring, the baffle resets along with the rotating rod, which realizes the effect of quantitative feeding, ensures that the amount of material discharged each time is consistent, reduces the manual error, and improves the stability of production. DRAWINGS

[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0020] Figure 1 It is three-dimensional appearance structure schematic diagram of the utility model;

[0021] Figure 2 It is three-dimensional half cut structure schematic diagram of the utility model at stirring blade;

[0022] Figure 3 It is three-dimensional side view structure schematic diagram of the utility model at fixed block;

[0023] Figure 4 It is three-dimensional enlarged structure schematic diagram of the utility model at clamping block;

[0024] Figure 5 It is three-dimensional half cut structure schematic diagram of the utility model at rotating rod;

[0025] Figure 6 It is three-dimensional enlarged structure schematic diagram of the utility model A. Figure 5

[0026] In the drawing: 101, stirring barrel;102, mounting frame;103, feed inlet;104, discharge port;105, supporting leg;2, stirring device;201, motor;202, rotating rod;203, stirring blade;204, clamping block;205, disc;206, clamping groove;207, stirring rod;208, fixed rod;209, roller;210, fixed block;211, extruding rod;212, rotating rod;213, torsional spring;214, positioning rod;215, baffle;216, supporting rod;217, fixed plate. SPECIFIC EMBODIMENT

[0027] ​The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0028] Example 1

[0029] like Figures 1-6 As shown in the figure, this embodiment proposes a hydrolysis reactor for furfural preparation, including a stirring tank 101, with a discharge port 104 on the circumferential surface of the stirring tank 101; a stirring device 2 is provided inside the stirring tank 101, the stirring device 2 includes a motor 201, the motor 201 is fixedly connected to the top of the stirring tank 101, a rotating rod 202 is fixedly connected to the output shaft of the motor 201, a stirring blade 203 is fixedly connected to the circumferential surface of the rotating rod 202, a locking block 204 is fixedly connected to the circumferential surface of the rotating rod 202, and an adjustment structure is provided inside the stirring tank 101. The adjustment structure includes a disc 205, which is disposed on the circumferential surface of the rotating rod 202. A support rod 216 is fixedly connected to the bottom of the disc 205, and a stirring rod 207 is fixedly connected to the circumferential surface of the support rod 216. A fixing rod 208 is fixedly connected to the bottom of the support rod 216, and a roller 209 is provided at the bottom of the fixing rod 208. A fixing plate 217 is fixedly connected to the inner wall of the mixing tank 101, and a fixing block 210 is fixedly connected to the top of the fixing plate 217. Through the linkage of the rotating rod 202, the stirring blade 203, and the support rod 216, the material can be thoroughly stirred, ensuring that the components are fully mixed, thereby improving the reaction efficiency. The fixing blocks 210 are located on the movement trajectory of the rollers 209. A number of fixing blocks 210 are arranged in a circular array on top of the fixing plate 217. The cooperative design between the rollers 209 and the fixing blocks 210 enables precise control of the support rod 216, ensuring the stability and flexibility of the stirring rod 207 during its up-and-down movement and preventing mechanical failures.

[0030] In the embodiment, the rotating rod 202 is driven to rotate by the motor 201, the stirring blade 203 is driven to rotate by the rotating rod 202, the clamping block 204 is driven to rotate by the rotating rod 202, the disc 205 is driven to rotate by the clamping block 204, the supporting rod 216 is driven to rotate by the disc 205, the stirring rod 207 is driven to rotate by the supporting rod 216, the even stirring effect is realized, the fixed rod 208 is driven to rotate by the supporting rod 216, the roller 209 is driven to rotate by the fixed rod 208, when the roller 209 is displaced to the side surface of the fixed block 210, the roller 209 is extruded by the fixed block 210, the fixed rod 208 is driven upward by the roller 209, the supporting rod 216 is driven upward by the fixed rod 208, the stirring rod 207 is driven to displace by the supporting rod 216, when the roller 209 is separated from the fixed block 210, the supporting rod 216 is reset by the gravity of the supporting rod 216, the supporting rod 216 drives the stirring rod 207 to reciprocate up and down, and the stirring effect is increased.

[0031] Embodiment 2

[0032] As Figures 1-6As shown, on the premise of the same concept as the above embodiment 1, a second embodiment is also proposed, the inside of the stirring barrel 101 is provided with a quantitative discharging device, the quantitative discharging device includes an extrusion rod 211 fixedly connected on the circumferential surface of the stirring rod 207, the inner wall of the stirring barrel 101 is rotationally connected with a rotating rod 212, the circumferential surface of the rotating rod 212 is fixedly connected with a baffle 215, the circumferential surface of the rotating rod 212 is fixedly connected with a positioning rod 214, through the linkage design of the extrusion rod 211 and the positioning rod 214, it ensures that the amount of material discharged each time is consistent, reduces the manual error, and improves the stability of production. The positioning rod 214 is located on the movement track of the extrusion rod 211, the baffle 215 is located on the side of the discharge port 104, through the opening and closing of the baffle 215, the material can be quickly discharged, the operation time is reduced, and the production efficiency is improved. The circumferential surface of the rotating rod 212 is fixedly connected with a torsional spring 213, one end of the torsional spring 213 away from the rotating rod 212 is fixedly connected with the inner wall of the stirring barrel 101, the setting of the torsional spring 213 can reset the rotating rod 212, the discharge port 104 is closed, and the amount of raw material used each time is accurate, and waste is reduced. The initial state of the torsional spring 213 is a relaxed state, the inner wall of the disc 205 is provided with a clamping groove 206, the design of the clamping groove 206 can make the rotating rod 202 drive the disc 205 to rotate, thereby increasing the stirring effect. The side surface of the clamping block 204 is slidingly connected with the inner wall of the clamping groove 206, the number of stirring blades 203 is set to be several, and is arranged in a circumferential array on the circumferential surface of the rotating rod 202, the uniform stirring and effective up-down movement of the stirring blades 203 can significantly improve the reaction rate, thereby shortening the reaction time and improving the production efficiency. The number of clamping blocks 204 is set to be two, and is mutually symmetrical along the vertical central axis of the rotating rod 202, the top of the stirring barrel 101 is provided with a feeding port 103, and the design of the clamping block 204 can effectively transmit power to the stirring blades 203 and the stirring rod 207, thereby reducing the burden of direct driving and reducing the power consumption of the motor 201. The circumferential surface of the stirring barrel 101 is fixedly connected with a mounting bracket 102, the bottom of the mounting bracket 102 is fixedly connected with a supporting leg 105, the number of stirring rods 207 is set to be several, and is arranged in a linear array on the circumferential surface of the supporting rod 216, the design of the supporting leg 105 can increase the stability of the device, can effectively avoid overload or unstable conditions, reduces the risk of equipment failure, and improves the operation safety.

[0033] In the embodiment, the stirring rod 207 rotates to drive the extruding rod 211 to rotate, and then the extruding rod 211 rotates to drive the extruding positioning rod 214 to rotate, so that the positioning rod 214 drives the rotating rod 212 to rotate, and then the rotating rod 212 rotates to drive the baffle 215 to rotate, and the baffle 215 rotates to open the discharge port 104, and the material is discharged through the discharge port 104; when the extruding rod 211 moves away from the positioning rod 214, the rotating rod 212 is reset by the elastic force of the torsional spring 213, the baffle 215 is reset along with the rotating rod 212, and the discharge port 104 is closed, so that the quantitative discharging function is realized.

[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hydrolysis still for furfural production, characterized by, Including stirring bucket (101), it is characterized by that: the circumferential surface of the stirring bucket (101) is provided with a discharge gate (104); The inside of the stirring bucket (101) is provided with a stirring device (2), the stirring device (2) includes motor (201), the motor (201) is fixedly connected at the top of stirring bucket (101), the output shaft of motor (201) is fixedly connected with rotating rod (202), the circumferential surface of rotating rod (202) is fixedly connected with stirring blade (203), the circumferential surface of rotating rod (202) is fixedly connected with clamping block (204), the inside of stirring bucket (101) is provided with adjusting structure.

2. The hydrolysis still for preparing furfural according to claim 1, characterized in that, The adjusting structure includes disc (205), the disc (205) is arranged on the circumferential surface of rotating rod (202), the bottom of disc (205) is fixedly connected with support rod (216), the circumferential surface of support rod (216) is fixedly connected with stirring rod (207), the bottom of support rod (216) is fixedly connected with fixed rod (208), the bottom of fixed rod (208) is provided with roller (209), the inner wall of stirring bucket (101) is fixedly connected with fixed plate (217), the top of fixed plate (217) is fixedly connected with fixed block (210).

3. The hydrolysis still for preparing furfural according to claim 2, characterized in that, The fixed block (210) is located on the movement track of roller (209), the number of fixed block (210) is several, and is arranged along the circumference array on the top of fixed plate (217).

4. The hydrolysis still for preparing furfural according to claim 3, characterized in that, The inside of the stirring bucket (101) is provided with a quantitative discharging device, the quantitative discharging device includes extrusion rod (211), the extrusion rod (211) is fixedly connected on the circumferential surface of stirring rod (207), the inner wall of stirring bucket (101) is rotatably connected with rotating rod (212), the circumferential surface of rotating rod (212) is fixedly connected with baffle (215), the circumferential surface of rotating rod (212) is fixedly connected with positioning rod (214).

5. The hydrolysis still for preparing furfural according to claim 4, characterized in that, The positioning rod (214) is located on the movement track of extrusion rod (211), and the baffle (215) is located on the side of discharge gate (104).

6. The hydrolysis still for preparing furfural according to claim 5, characterized in that, The circumferential surface of rotating rod (212) is fixedly connected with torsion spring (213), and one end of torsion spring (213) away from rotating rod (212) is fixedly connected with the inner wall of stirring bucket (101).

7. The hydrolysis still for preparing furfural according to claim 6, characterized in that, The initial state of torsion spring (213) is relaxation state, and the inner wall of disc (205) is provided with clamping groove (206).

8. The hydrolysis still for preparing furfural according to claim 7, characterized in that, The side surface of clamping block (204) is slidably connected with the inner wall of clamping groove (206), and the number of stirring blade (203) is several, and is arranged along the circumferential array on the circumferential surface of rotating rod (202).

9. The hydrolysis still for preparing furfural according to claim 8, characterized in that, The number of clamping block (204) is two, and is mutually symmetrical along the vertical central axis of rotating rod (202), and the top of stirring bucket (101) is provided with feeding port (103).

10. The hydrolysis still for preparing furfural according to claim 9, characterized in that, The circumferential surface of the stirring barrel (101) is fixedly connected with a mounting rack (102), the bottom of the mounting rack (102) is fixedly connected with a supporting leg (105), the number of the stirring rods (207) is set to be several, and the stirring rods (207) are linearly arranged on the circumferential surface of the supporting rod (216).

Citation Information

Patent Citations

  • Hydrolysis kettle for preparing methanesulfonic acid

    CN221514488U