Safe premixing device of chemical engineering reaction kettle

Abstract

The utility model relates to the field of chemical engineering, and discloses a safe premixing device of a chemical engineering reaction kettle, which comprises a working table, the bottom of the working table is fixedly connected with supporting legs, the top of the working table is fixedly connected with a controller, the inner wall of the working table is fixedly connected with a reaction kettle body, and the inner wall of the working table is fixedly connected with the controller. The device comprises a reaction kettle body, a reaction mechanism is arranged in the reaction kettle body, a mixing tank body is fixedly connected to the left arc surface of the top of the reaction kettle body, a feeding pipe is fixedly connected to the top of the mixing tank body, and a mixing mechanism is arranged in the mixing tank body and comprises a base. According to the reaction kettle disclosed by the utility model, the mixing mechanism and the stepping motor are arranged to work, so that the push plate does linear reciprocating motion, raw materials adhered to the inner wall of the mixing tank body are scraped off, and then the raw materials are pushed into the reaction kettle body to carry out the next process, so that the waste of the raw materials is reduced, and the processing benefit is improved.

Description

Technical Field

[0001] The utility model relates to the field of chemical engineering, in particular to a safe pre-mixing device for a chemical engineering reactor. Background Art

[0002] A reactor is broadly understood as a stainless steel container for physical or chemical reactions. The structural design and parameter configuration of the container are carried out according to different process conditions. The design conditions, process, inspection, manufacturing, and acceptance must be based on relevant technical standards to achieve the heating, evaporation, cooling, and low-speed mixing reaction functions required by the process. When a chemical reactor heats liquid raw materials, a stirring device is usually used in advance to mix them evenly in order to ensure that they can react fully, thereby facilitating subsequent processes.

[0003] After searching, Chinese patent announcement number: CN217746638U discloses a pre-mixing device for a chemical engineering reactor, including a mixing tank body, the interior of the mixing tank body is rotatably connected to a connecting rod, the surface of the connecting rod is fixedly connected to two sets of rotating rods, one side of the mixing tank body is provided with a second discharge port, one side of the second discharge port is provided with an adjustment component, both sides of the mixing tank body are fixedly connected with support rods, a cross plate is fixedly connected between two adjacent support rods, and a material receiving box is provided above the cross plate. The patent drives the baffle plate to rotate by rotating the rod, so that the inclination angle between the baffle plate and the second discharge port changes, realizing the function of adjusting the discharge when the pre-mixing device of the reactor is used, but when the baffle plate rotates and the raw materials fall, some raw materials will adhere to the inner wall of the mixing tank body, resulting in a waste of raw materials and reducing the processing efficiency. Therefore, a safe pre-mixing device for a chemical engineering reactor is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a safe pre-mixing device for a chemical engineering reactor, aiming to improve the problem of "raw materials adhering to the inner wall of a mixing tank body causing waste" in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a safe pre-mixing device for a chemical engineering reactor, comprising a workbench, the bottom of the workbench is fixedly connected to a supporting leg, the top of the workbench is fixedly connected to a controller, the inner wall of the workbench is fixedly connected to a reactor body, a reaction mechanism is arranged inside the reactor body, a mixing tank body is fixedly connected to the top left arc surface of the reactor body, a feeding pipe is fixedly connected to the top of the mixing tank body, and a mixing mechanism is arranged inside the mixing tank body.

[0006] As a further description of the above technical solution:

[0007] The mixing mechanism comprises a base, which is fixedly mounted on the top of the workbench, a stepper motor is fixedly connected to the top of the base, and a circular plate is fixedly connected to the front end of the output shaft of the stepper motor.

[0008] As a further description of the above technical solution:

[0009] The mixing mechanism also includes a connecting rod and a sliding rod, one end of the connecting rod is rotatably connected to a non-center portion of the circular plate, the other end of the connecting rod is rotatably connected to the left end of the sliding rod, the sliding rod penetrates and is slidably installed on the inner wall of the mixing tank body, and a sleeve is fixedly connected to the circumferential surface of the sliding rod.

[0010] As a further description of the above technical solution:

[0011] The mixing mechanism also includes a spiral protrusion, which is sleeved and slides on the surface of the sliding rod. A fixing rod is fixedly connected to the right side of the spiral protrusion, and the fixing rod is fixedly connected to one end away from the spiral protrusion and the inner wall of the mixing tank body.

[0012] As a further description of the above technical solution:

[0013] The mixing mechanism also includes a slider, a stirrer 1 is fixedly connected to the circumferential surface of the slider, the slider is slidably mounted on the circumferential surface of the spiral protrusion, and the left side of the slider is rotationally connected to the right side of the sleeve.

[0014] As a further description of the above technical solution:

[0015] The mixing mechanism also includes a push plate, which is fixedly mounted on the circumferential surface of the slide rod, the circumferential surface of the push plate is slidably connected to the inner wall of the mixing tank body, and a solenoid valve is arranged on the surface of the push plate.

[0016] As a further description of the above technical solution:

[0017] The reaction mechanism comprises a servo motor, which is fixedly mounted on the top of the reactor body, and a rotating shaft is fixedly connected to the bottom of the output shaft of the servo motor.

[0018] As a further description of the above technical solution:

[0019] The reaction mechanism also includes a second stirrer, and the second stirrer is fixedly mounted on the circumferential surface of the rotating shaft.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, by setting a mixing mechanism, the stepping motor works to make the push plate do linear reciprocating motion, thereby scraping off the raw materials adhering to the inner wall of the mixing tank body, and then pushing the raw materials into the reactor body for the next process, thereby reducing the waste of raw materials and improving the processing efficiency.

[0022] 2. In the utility model, by setting a reaction mechanism, the stepping motor will drive the agitator to rotate back and forth, stir and mix the raw materials inside the mixing tank body, and improve the uniformity of the raw material mixing. Through the raised blocks set on the surface of the push plate, the push plate moves to squeeze and oscillate the raw materials inside the mixing tank body, further improving the uniformity of the raw material mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a right side schematic diagram of the overall three-dimensional structure of the utility model;

[0024] Figure 2 It is a left side schematic diagram of the overall three-dimensional structure of the utility model;

[0025] Figure 3 It is a schematic cross-sectional view of the three-dimensional structure of the mixing mechanism in the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the mixing mechanism of the utility model without the mixing tank body;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure explosion of the sleeve, the stirrer and the slider in the utility model;

[0028] Figure 6 It is a three-dimensional structural schematic diagram of the spiral protrusion and the fixing rod in the utility model;

[0029] Figure 7 It is a schematic cross-sectional view of the three-dimensional structure of the reaction mechanism in the utility model.

[0030] Legend:

[0031] 1. Workbench; 2. Support legs; 3. Controller; 4. Reactor body; 5. Mixing tank body; 6. Feed pipe; 7. Base; 8. Stepper motor; 9. Round plate; 10. Connecting rod; 11. Sliding rod; 111. Sleeve; 12. Spiral bump; 121. Fixed rod; 13. Agitator 1; 131. Sliding block; 14. Push plate; 15. Solenoid valve; 16. Servo motor; 17. Rotating shaft; 18. Agitator 2. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1 - Figure 2 The utility model provides an embodiment: a safe pre-mixing device for a chemical engineering reactor, comprising a workbench 1, a supporting leg 2 for supporting is fixedly connected to the bottom of the workbench 1, a controller 3 for controlling the start and stop of a drive motor and the opening or closing of a solenoid valve 15 is fixedly connected to the top of the workbench 1, which is convenient for staff to view the working parameters of the equipment and improves the usability of the equipment, a reactor body 4 is fixedly connected to the inner wall of the workbench 1, a reaction mechanism is arranged inside the reactor body 4, a mixing tank body 5 is fixedly connected to the left arc surface of the top of the reactor body 4, the interior of the reactor body 4 is connected to the interior of the mixing tank body 5, a feeding pipe 6 for feeding is fixedly connected to the top of the mixing tank body 5, and a mixing mechanism is arranged inside the mixing tank body 5.

[0034] Reference Figure 2 - Figure 5 The mixing mechanism includes a base 7, which plays the role of a stepper motor 8. The base 7 is fixedly installed on the top of the workbench 1. The base 7 is a cylinder. The top of the base 7 is fixedly connected to the stepper motor 8. The stepper motor 8 can accurately control the rotation angle of its output shaft. The front end of the output shaft of the stepper motor 8 is fixedly connected to a circular plate 9. The cross-section of the circular plate 9 is circular. The mixing mechanism also includes a connecting rod 10 and a sliding rod 11. One end of the connecting rod 10 is rotatably connected to the non-center of the circular plate 9, and the other end of the connecting rod 10 is rotatably connected to the left end of the sliding rod 11. The circular plate 9, the connecting rod 10, and the sliding rod 11 together constitute a crank-connecting rod mechanism. The power provided by the stepper motor 8 causes the sliding rod 11 to perform a linear reciprocating motion. The sliding rod 11 penetrates and is slidably installed on the inner wall of the mixing tank body 5. The central axis of the sliding rod 11 and the central axis of the mixing tank body 5 are on the same straight line, and the circumferential surface of the sliding rod 11 is fixedly connected with a sleeve 111.

[0035] Reference Figure 3 - Figure 6The mixing mechanism also includes a spiral protrusion 12, the outer diameter of the spiral protrusion 12 is smaller than the inner diameter of the sleeve 111, the spiral protrusion 12 is sleeved and slides on the surface of the slide rod 11, and a fixed rod 121 is fixedly connected to the right side of the spiral protrusion 12. The fixed rod 121 is fixedly connected to the inner wall of the mixing tank body 5 at one end away from the spiral protrusion 12. The number of fixed rods 121 is set to multiple, and multiple fixed rods 121 are arranged on the inner wall of the mixing tank body 5 in a ring-shaped and equidistant manner. The mixing mechanism also includes a slider 131, and the circumferential surface of the slider 131 is fixedly connected to an agitator 13. When the agitator 13 rotates, the raw materials inside the mixing tank body 5 can be stirred and mixed, which is beneficial to uniform stirring of the materials and improving the reaction efficiency. The slider 131 slides It is installed on the circumferential surface of the spiral protrusion 12, and the left side of the slider 131 is rotationally connected to the right side of the sleeve 111. While the agitator 13 rotates, it makes a linear motion in the axial direction of the spiral protrusion 12. The mixing mechanism also includes a push plate 14, which is fixedly installed on the circumferential surface of the slide rod 11. The surface of the left side of the push plate 14 is provided with a plurality of groups of protrusions, which can promote the mixing of the raw materials inside the mixing tank body 5 and improve the mixing effect. The circumferential surface of the push plate 14 is slidably connected to the inner wall of the mixing tank body 5. The surface of the push plate 14 is provided with a solenoid valve 15, which is initially in a closed state. The opening and closing of the solenoid valve 15 can control the connectivity between the inside of the mixing tank body 5 and the inside of the reactor body 4.

[0036] Reference Figure 1 - Figure 2 , Figure 7 The reaction mechanism includes a servo motor 16, which can accurately control the rotation angle of its output shaft. The servo motor 16 is fixedly installed on the top of the reactor body 4. The bottom of the output shaft of the servo motor 16 is fixedly connected to a rotating shaft 17, and the rotating shaft 17 is vertically arranged. The reaction mechanism also includes a stirrer 18, and the stirrer 18 has multiple groups of stirring blades inside. The stirrer 18 can play a good stirring role inside the reactor body 4, thereby improving the reaction rate inside the reactor body 4. The stirrer 18 is fixedly installed on the circumferential surface of the rotating shaft 17.

[0037] Working principle: When in use, the staff puts the raw materials into the feed pipe 6, and the raw materials enter the mixing tank body 5 through the feed pipe 6, and then the power of the stepper motor 8 is started. The stepper motor 8 drives the circular plate 9 to rotate, and the rotation of the circular plate 9 drives the connecting rod 10 to move. The movement of the connecting rod 10 drives the slide bar 11 to make a linear reciprocating motion in the direction of its own central axis. The movement of the slide bar 11 drives the sleeve 111 on the slide bar 11 to make a linear reciprocating motion, thereby driving the agitator 13 to rotate back and forth, and the slide bar 11 will also make a linear reciprocating motion in the direction of its own central axis, thereby preliminarily stirring and mixing the raw materials inside the mixing tank body 5.

[0038] The movement of the slide bar 11 will also drive the push plate 14 to make a linear reciprocating motion in the direction of the central axis of the slide bar 11. The movement of the push plate 14 pushes and oscillates the raw materials inside the mixing tank body 5, further improving the effect of raw material mixing. When the raw materials are mixed to a relatively uniform degree, the solenoid valve 15 is changed to an open state through the controller 3, and the raw materials inside the mixing tank body 5 enter the interior of the reactor body 4 through the solenoid valve 15. The push plate 14 continues to make a linear reciprocating motion to scrape off the raw materials adhered to the inner wall of the mixing tank body 5, thereby reducing the waste of raw materials and improving production efficiency.

[0039] The power supply of the servo motor 16 is started through the controller 3, and the servo motor 16 drives the rotating shaft 17 to rotate. The rotation of the rotating shaft 17 drives the agitator 18 to rotate. The agitator 18 rotates to stir and mix the raw materials inside the reactor body 4, thereby increasing the contact area between the raw materials, increasing the reaction rate between the raw materials, and improving work efficiency.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A safe pre-mixing device for a chemical engineering reactor, comprising a workbench (1), characterized in that: The bottom of the workbench (1) is fixedly connected to a support leg (2), the top of the workbench (1) is fixedly connected to a controller (3), the inner wall of the workbench (1) is fixedly connected to a reactor body (4), a reaction mechanism is arranged inside the reactor body (4), a mixing tank body (5) is fixedly connected to the left curved surface of the top of the reactor body (4), a feed pipe (6) is fixedly connected to the top of the mixing tank body (5), a mixing mechanism is arranged inside the mixing tank body (5), and the mixing mechanism is arranged inside the mixing tank body (5). The mixing mechanism comprises a base (7), the base (7) is fixedly mounted on the top of the workbench (1), the top of the base (7) is fixedly connected to a stepper motor (8), the front end of the output shaft of the stepper motor (8) is fixedly connected to a circular plate (9), the mixing mechanism also comprises a connecting rod (10) and a sliding rod (11), one end of the connecting rod (10) is rotatably connected to a non-center portion of the circular plate (9), the other end of the connecting rod (10) is rotatably connected to the left end of the sliding rod (11), and the sliding rod (11) penetrates and slides The mixing mechanism is installed on the inner wall of the mixing tank body (5), the circumferential surface of the sliding rod (11) is fixedly connected with a sleeve (111), the mixing mechanism also includes a spiral protrusion (12), the spiral protrusion (12) is sleeved and slides on the surface of the sliding rod (11), the right side of the spiral protrusion (12) is fixedly connected with a fixing rod (121), the fixing rod (121) and the inner wall of the mixing tank body (5) are fixedly connected with one end away from the spiral protrusion (12), the mixing mechanism also includes a sliding block (131), the sliding block (132) is fixedly connected with the inner wall of the mixing tank body (5), and the mixing mechanism also includes a sliding block (131). The circumferential surface of the block (131) is fixedly connected to an agitator (13), the slider (131) is slidably mounted on the circumferential surface of the spiral protrusion (12), the left side of the slider (131) is rotatably connected to the right side of the sleeve (111), the mixing mechanism also includes a push plate (14), the push plate (14) is fixedly mounted on the circumferential surface of the slide rod (11), the circumferential surface of the push plate (14) is slidably connected to the inner wall of the mixing tank body (5), and the surface of the push plate (14) is provided with a solenoid valve (15).

2. A safe pre-mixing device for a chemical engineering reactor according to claim 1, characterized in that: The reaction mechanism comprises a servo motor (16), which is fixedly mounted on the top of the reactor body (4), and a rotating shaft (17) is fixedly connected to the bottom of the output shaft of the servo motor (16).

3. A safe pre-mixing device for a chemical engineering reactor according to claim 2, characterized in that: The reaction mechanism also includes a second stirrer (18), and the second stirrer (18) is fixedly mounted on the circumferential surface of the rotating shaft (17).

Images