Chemical stirring reaction tank

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a chemical stirring reaction tank. Comprising a connecting block, a driving motor with a downward output end is installed on the connecting block, a driving shaft is rotationally arranged in the middle of the connecting block and the middle of a sealing cover in a penetrating mode, the driving shaft extends into an inner cylinder and is connected with the output end of the driving motor, and the driving shaft is provided with propellers arranged in an arrangement mode and a wall scraping paddle attached to the lower inner wall of the inner cylinder from top to bottom. The two sides of the top of the sealing cover are each provided with a motor, the output ends of the two motors are each provided with a connecting shaft stretching into the inner cylinder, and sawtooth paddles are arranged on the connecting shafts. By arranging the propeller, the wall scraping paddle and the sawtooth paddle, stirring of materials at the upper layer and the lower layer in the inner barrel is processed through cooperation of the propeller and the sawtooth paddle, in addition, the wall scraping paddle and the extending fins thereof can be effectively attached to the lower inner wall of the inner barrel, the phenomenon that the materials are deposited at the bottom or hung on the wall is avoided, and therefore the reaction efficiency is improved; therefore, a multi-layer and diversified stirring mode is realized.

Description

Technical Field

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

[0002] A chemical stirred reactor, also known as a stirred kettle or reactor, is a container used for chemical reactions in the chemical production process. It can be used in a variety of chemical processes, including but not limited to polymerization, esterification, condensation and other reactions. This type of equipment is usually equipped with an agitator to ensure that the reactants can be evenly mixed, thereby improving reaction efficiency and product quality.

[0003] After searching, according to the authorization announcement number CN220214900U, a stirring reaction device includes a stirring reaction tank, the middle part of the top of the stirring reaction tank is movably sleeved with a connecting shaft, the top of the connecting shaft is fixedly connected with a power motor, the middle part of the connecting shaft is movably sleeved with a sealing structure, the middle part of the connecting shaft is movably sleeved with a protective cover, the bottom of the connecting shaft is fixedly connected with a stirring blade, one side of the top of the stirring reaction tank is fixedly connected with an observation port, the other side of the top of the stirring reaction tank is fixedly connected with a feeding port, and the bottom of the front of the stirring reaction tank is fixedly connected with a sleeve; in the above-mentioned device, a solution sample can be extracted from the stirring reaction tank for inspection by operating the piston through a pull rod to confirm whether the solution is mixed evenly. However, although the above-mentioned device can meet the needs to a certain extent, due to the relatively simple structural design of the stirring blade equipped with the device, it is very easy to cause the material stirring effect to be less than ideal, and then uneven stirring, material deposition and wall hanging occur.

[0004] Therefore, in view of the above problems, it is necessary to propose a chemical stirring reaction tank with diversified and uniform stirring functions to enhance the stirring effect of materials, avoid deposition and wall scraping, and improve the overall reaction efficiency and product quality. Utility Model Content

[0005] In order to overcome the shortcomings of the above-mentioned prior art, the utility model provides a chemical stirring reaction tank with diversified and uniform stirring functions to enhance the stirring effect of materials, avoid sedimentation and wall scraping, and improve the overall reaction efficiency and product quality.

[0006] The technical scheme of the utility model is: a chemical stirring reaction tank, including a bracket, an outer cylinder, a sealing ring, an inner cylinder, a sealing cover, a fixing bolt, a discharge pipe, a feed pipe, a connecting block, a driving motor, a driving shaft, a propeller, a scraping paddle, a motor, a connecting shaft and a sawtooth paddle, an outer cylinder is arranged on the bracket, an inner cylinder is arranged inside the outer cylinder, a cavity for isolating the outside temperature is provided between the inner cylinder and the inner wall of the outer cylinder, a discharge pipe is connected between the bottom of the inner cylinder and the outer cylinder, and a sealing ring is arranged on the top of the outer cylinder, a sealing cover for assembling the feed pipe is provided on the upper cover of the sealing ring, and a fixing is provided between the sealing cover and the sealing ring The bolt is fixed with threads; a connecting block is arranged in the middle of the top of the sealing cover, and a driving motor is installed on the connecting block with the output end facing downward. A driving shaft is rotatably arranged together with the connecting block and the middle of the sealing cover, and the driving shaft extends into the inner cylinder and is connected to the output end of the driving motor. The driving shaft is arranged with propellers arranged from top to bottom, and a scraping paddle attached to the lower inner wall of the inner cylinder. A motor is also installed on both sides of the top of the sealing cover, and a connecting shaft extending into the inner cylinder is arranged on the output end of the two motors. A serrated paddle is arranged on the connecting shaft to cooperate with the propeller and the scraping paddle to stir the materials.

[0007] In one embodiment, an observation window is further included. The sealing cover is sealed with an observation window made of a transparent material for observing the internal conditions of the inner cylinder.

[0008] In one of the embodiments, it further includes extended fins, which are arranged on both sides of each blade of the scraper paddle, and the extended fins are in contact with the lower inner wall of the inner tube.

[0009] In one embodiment, a sampling valve is also included. A sampling valve is arranged on the inner cylinder and passes through the outer cylinder for sampling the stirred material.

[0010] In one of the embodiments, a temperature monitor is further included, and the temperature monitor is arranged on the outer cylinder.

[0011] In one of the embodiments, an assembly frame is also included. At least two assembly frames are arranged at intervals along the circumferential direction on the outer wall of the outer cylinder to facilitate the installation of subsequent devices.

[0012] In one of the embodiments, a foot support is further included, and a foot support is provided at the bottom end of each leg of the bracket.

[0013] The beneficial effects are: 1. The utility model arranges a propeller, a scraper paddle and a sawtooth paddle, and utilizes the synergy of the propeller and the sawtooth paddle to effectively handle the stirring of materials in the upper and lower layers of the inner cylinder. In addition, the specially designed scraper paddle and its extended wing can effectively fit the lower inner wall of the inner cylinder to avoid the material from being deposited at the bottom or hanging on the wall, thereby improving the cleanliness and reaction efficiency, realizing multi-level and diversified stirring modes, and ensuring that the materials can be fully mixed and reacted.

[0014] 2. The utility model provides an observation window and a sampling valve. The observation window allows the operator to monitor the internal conditions of the inner cylinder in real time, while the presence of the sampling valve supports sample extraction and analysis without interrupting the stirring process, which is convenient for evaluating the reaction progress and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 2 It is a three-dimensional structural sectional view of the drive motor, drive shaft and propeller components of the utility model.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the inner cylinder, drive shaft, propeller, scraper propeller and extended wing of the utility model.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the connecting shaft and the sawtooth propeller of the utility model.

[0019] Markings in the figure are: 1. bracket, 101. foot support, 2. outer cylinder, 201. sealing ring, 3. inner cylinder, 301. sealing cover, 302. fixing bolt, 303. discharge pipe, 4. feed pipe, 5. observation window, 6. connecting block, 7. drive motor, 8. drive shaft, 9. propeller, 10. scraper paddle, 11. extension wing, 12. motor, 13. connecting shaft, 14. serrated paddle, 15. sampling valve, 16. temperature monitor, 17. assembly frame. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0021] Embodiment: A chemical stirring reaction tank, such as Figure 1-Figure 4As shown, it includes a bracket 1, an outer cylinder 2, a sealing ring 201, an inner cylinder 3, a sealing cover 301, a fixing bolt 302, a discharge pipe 303, a feed pipe 4, a connecting block 6, a driving motor 7, a driving shaft 8, a propeller 9, a scraping paddle 10, a motor 12, a connecting shaft 13 and a sawtooth paddle 14. The bracket 1 is fixedly provided with an outer cylinder 2 with a hollow interior, and the outer cylinder 2 is provided with an inner cylinder 3. There is a cavity between the inner cylinder 3 and the inner wall of the outer cylinder 2 for isolating the external temperature, and a layer of thermal insulation coating (not shown in the figure) is provided on the inner wall of the outer cylinder 2, which can further isolate the external temperature through the thermal insulation coating while utilizing its own physical barrier to maintain the internal temperature of the inner cylinder 3 and ensure the stability of the subsequent stirring reaction process. During operation, a discharge pipe 303 is connected between the bottom of the inner cylinder 3 and the outer cylinder 2 as a discharge channel for the materials after the reaction, and a sealing ring 201 is arranged on the top of the outer cylinder 2. A sealing cover 301 for assembling a feed pipe 4 is provided on the sealing ring 201. The feed pipe 4 serves as a flow channel for the materials to enter. The sealing cover 301 and the sealing ring 201 are threadedly fixed by fixing bolts 302 arranged circumferentially to ensure a tight fit between the sealing cover 301 and the sealing ring 201, thereby ensuring the airtightness and sealing during the subsequent reaction operation; a connecting block 6 is arranged in the middle position on the top of the sealing cover 301. The connecting block 6 tends to extend upward, and a driving device with an output end facing downward is fixedly installed on the top of the connecting block 6. The motor 7 and the connecting block 6 serve as a carrier for installing the driving motor 7. The connecting block 6 not only provides a solid supporting foundation for the driving motor 7, but also protects the sealing cover 301. A driving shaft 8 is rotatably provided in the middle of the connecting block 6 and the sealing cover 301. The driving shaft 8 extends into the inner cylinder 3 and is connected to the output end of the driving motor 7. The driving shaft 8 is provided with arranged propellers 9 from top to bottom, and a scraper paddle 10 attached to the lower inner wall of the inner cylinder 3. The blades of the propeller 9 are spiral arc-shaped blades, while the scraper paddle 10 is an expanded extended blade. The propeller 9 is located directly above the scraper paddle 10. When the propeller 9 is running, it can push the material from the center to the surroundings to quickly The material is mixed as a whole, and the scraper paddle 10 stirs the sediment on the bottom layer of the inner cylinder 3 and the wall-hanging material, so as to achieve adaptive stirring treatment of materials at different heights, further enhance the overall stirring uniformity, ensure the completeness of the material reaction, and ensure the quality of the output material. A motor 12 is fixedly installed on the left and right sides of the top of the sealing cover 301, and a connecting shaft 13 extending into the inner cylinder 3 is provided on the output end of the two motors 12. A sawtooth paddle 14 arranged at intervals up and down is provided on the connecting shaft 13. Here, the blades of the sawtooth paddle 14 present a disc-like sawtooth blade surface, which can cooperate with the propeller 9 and the scraper paddle 10 to further stir the material flowing out from all sides, and see for details. Figure 2It can be seen that the position of the sawtooth paddle 14 is higher than the highest point of the propeller 9, which enables the sawtooth paddle 14 to stir the materials floating on the upper layer, thereby further optimizing the overall stirring effect.

[0022] like Figure 1 As shown, an observation window 5 is also included. The sealing cover 301 is sealed with an observation window 5 made of a transparent material for observing the internal conditions of the inner tube 3.

[0023] like Figure 2 and Figure 3 As shown, it also includes an extended wing 11. The extended wing 11 is arranged on both sides of each blade of the scraper paddle 10. The extended wing 11 is in contact with the lower inner wall of the inner tube 3, and can extend the blade length of the scraper paddle 10 to jointly scrape and stir the deposited wall materials at the bottom of the inner tube 3.

[0024] like Figure 1 and Figure 2 As shown, a sampling valve 15 is also included. A sampling valve 15 is provided on the inner cylinder 3 and passes through the outer cylinder 2, so that the staff can extract samples for analysis to ensure the quality of the product.

[0025] like Figure 1 As shown, a temperature monitor 16 is also included. The temperature monitor 16 is arranged on the outer cylinder 2 to monitor the temperature of the reaction environment to ensure the stable progress of the reaction process.

[0026] like Figure 1 As shown, an assembly frame 17 is also included. Three assembly frames 17 are arranged at intervals along the circumferential direction on the outer wall of the outer cylinder 2 to facilitate subsequent installation of the entire device.

[0027] like Figure 1 As shown, a foot support 101 is also included. A foot support 101 is provided at the bottom end of each leg of the bracket 1, which can further stabilize the overall supporting effect of the device.

[0028] First, ensure that the entire device is stably placed and all components are in good working condition, and check whether the fixing bolt 302 on the sealing cover 301 is tightened to ensure a tight connection between the sealing ring 201 and the sealing cover 301 to prevent leakage during the reaction. At the same time, confirm that there is no blockage in the feed pipe 4, the discharge pipe 303, and the sampling valve 15. The temperature monitor 16 should also be calibrated to accurately monitor the temperature changes during the reaction.

[0029] Then, the material to be stirred and reacted can be poured into the inner tube 3 through the feed pipe 4. After the feeding is completed, the feed pipe 4 is closed to ensure the airtightness of the reaction environment. At this time, the state of the material in the inner tube 3 can be viewed in real time through the observation window 5. Then, the drive motor 7 and the motor 12 are started. The drive motor 7 drives the drive shaft 8 to start rotating, driving the propeller 9, the scraper paddle 10 and the extension wing 11 to work together, and the motor 12 drives the connected connecting shaft 13 to rotate, so as to drive the connected sawtooth paddle 14 to rotate. Here, because the propeller 9 is located at the upper part of the drive shaft 8, it is mainly responsible for pushing the material from the center to the surroundings to form a circulating mixing mode; the scraper paddle 10 and the extension wing 11 are attached to the lower inner wall of the inner tube 3 to avoid material deposition and clean the inner wall to prevent the occurrence of wall hanging; and the sawtooth paddle 14 is responsible for stirring the upper layer of the inner tube 3, and further cooperates to enhance the stirring effect of the material. During the reaction process, the presence of the cavity helps to isolate the influence of the outside temperature on the reaction environment in the inner cylinder 3, thereby improving the stability of the reaction. At the same time, the temperature monitor 16 continuously monitors the temperature changes inside the outer cylinder 2 to maintain ideal reaction conditions. In the subsequent sampling process, a small amount of sample can be directly extracted from the inner cylinder 3 using the sampling valve 15 for analysis to check whether the solution is evenly mixed. After the chemical reaction of the material reaches the expected target, turn off the drive motor 7 and the motor 12, stop the operation of the device, and then open the discharge pipe 303 to allow the processed material to flow out. During this period, the sampling valve 15 can also be used again to extract the final product sample for quality inspection.

[0030] The above is a detailed introduction to the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A chemical stirring reaction tank, comprising a support (1), an outer cylinder (2) being arranged on the support (1), an inner cylinder (3) being arranged inside the outer cylinder (2), a cavity for isolating the outside temperature being present between the inner cylinder (3) and the inner wall of the outer cylinder (2), a discharge pipe (303) being connected between the bottom of the inner cylinder (3) and the outer cylinder (2), a sealing ring (201) being arranged on the top of the outer cylinder (2), a sealing cover (301) for assembling a feed pipe (4) being provided on the upper cover of the sealing ring (201), the sealing cover (301) being threadedly fixed to the sealing ring (201) by a fixing bolt (302); characterized in that: The sealing cover (301) further comprises a connecting block (6), wherein the connecting block (6) is arranged in the middle of the top of the sealing cover (301), and a driving motor (7) with an output end facing downward is installed on the connecting block (6). A driving shaft (8) is rotatably arranged through the connecting block (6) and the middle of the sealing cover (301), and the driving shaft (8) extends into the inner cylinder (3) and is connected to the output end of the driving motor (7). The driving shaft (8) is provided with propellers (9) arranged from top to bottom, and a scraping paddle (10) abutting against the lower inner wall of the inner cylinder (3). A motor (12) is also installed on both sides of the top of the sealing cover (301), and a connecting shaft (13) extending into the inner cylinder (3) is arranged on the output end of each of the two motors (12). A sawtooth paddle (14) is arranged on the connecting shaft (13) to cooperate with the propeller (9) and the scraping paddle (10) to stir the material.

2. A chemical stirring reaction tank according to claim 1, characterized in that: It also includes an observation window (5). The sealing cover (301) is provided with an observation window (5) made of a transparent material in a sealed manner for observing the internal conditions of the inner cylinder (3).

3. A chemical stirring reaction tank according to claim 2, characterized in that: It also includes extended fins (11), which are arranged on both sides of each blade of the scraping paddle (10), and the extended fins (11) are in contact with the lower inner wall of the inner tube (3).

4. A chemical stirring reaction tank according to claim 3, characterized in that: It also includes a sampling valve (15). A sampling valve (15) is provided on the inner cylinder (3) and passes through the outer cylinder (2), and is used for sampling the stirred material.

5. A chemical stirring reaction tank according to claim 4, characterized in that: It also includes a temperature monitor (16), and the temperature monitor (16) is arranged on the outer cylinder (2).

6. A chemical stirring reaction tank according to claim 5, characterized in that: It also includes an assembly frame (17), wherein at least two assembly frames (17) are arranged at intervals along the circumferential direction on the outer wall of the outer cylinder (2) to facilitate subsequent installation of devices.

7. A chemical stirring reaction tank according to claim 6, characterized in that: It also includes a foot support (101), and a foot support (101) is provided at the bottom end of each leg of the support (1).

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