Double coil agitated vessel

Abstract

The utility model discloses a kind of double-coil type mixing tanks, the bottom end in tank body is provided with shaft seat by support frame, stirring rod bottom and shaft seat rotation cooperation, vertical rod has several and top end is connected with upper end ring, the outer end of upper end ring is connected with tank body inner wall by cross bar, the bottom end of vertical rod is connected with the bottom end in tank body, the inboard of vertical rod lower part is all provided with arc support rod, the inner end of arc support rod is all connected with lower end ring, inner coil pipe is connected with the inner wall of vertical rod, bottom spiral coil pipe is set on arc support rod upper surface, the utility model structure is reasonable, by inner coil pipe and bottom spiral coil pipe, double-coil structure greatly improves heat exchange effect, and inner coil pipe and bottom spiral coil pipe are all connected with coil pipe support, bottom spiral coil pipe is lifted and supported by arc support rod, to be fixed from bottom, solve the problem that material is blocked and cannot be discharged due to being directly welded in tank body bottom, simultaneously after lifting, it is completely immersed in material, further improve heat exchange effect.

Description

Technical Field

[0001] This utility model relates to the field of mixing tank technology, specifically a double-coil mixing tank. Background Technology

[0002] A mixing tank, as the name suggests, is used for stirring, mixing, blending, and homogenizing materials. It can also be called an aqueous phase tank and is widely used in industries such as coatings, pharmaceuticals, building materials, chemicals, pigments, resins, food, and scientific research. This equipment can be made of materials such as carbon steel and stainless steel, and equipped with heating and cooling devices to meet different process and production needs, depending on the user's product process requirements.

[0003] Coil-type mixing tanks are a type of mixing tank with an internal coil inside the tank. Currently, most coil-type mixing tanks have the coil installed on the inner wall of the tank, resulting in poor heat exchange in the middle. There are also structures with the coil welded to the bottom, but this structure makes it difficult for the material to be completely discharged. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. Utility Model Content

[0004] The purpose of this invention is to provide a double-coil mixing tank to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a double-coil mixing tank, comprising a tank body, a coil support, an inner coil, and a bottom spiral coil;

[0006] The upper surface of the tank is provided with a tank cover, the upper surface of the tank cover is provided with a first air outlet and a second air outlet, a speed reducer is provided at the center of the upper surface of the tank cover, the speed reducer is connected to a motor, the output shaft of the motor is connected to the input shaft of the speed reducer, the output shaft of the speed reducer is connected to the top of the stirring rod through a coupling, the bottom of the tank is provided with a discharge port, the bottom of the tank and above the discharge port is provided with a shaft seat through a support frame, the bottom of the stirring rod is rotatably engaged with the shaft seat, and the bottom of the tank is also provided with a first air inlet and a second air inlet;

[0007] The coil support includes uprights, an upper ring, crossbars, arc-shaped support rods, and a lower ring. There are several uprights, and the top of each upright is connected to the upper ring. Several crossbars are provided on the outer end of the upper ring. The outer end of each crossbar is connected to the inner wall of the tank. The bottom end of each upright is connected to the bottom of the tank. Arc-shaped support rods are provided on the inner side of the lower part of each upright. The inner end of each arc-shaped support rod is connected to the lower ring.

[0008] The inner coil is connected to the inner wall of the upright, one end of the inner coil is connected to the first air outlet, and the other end of the inner coil is connected to the first air inlet.

[0009] The bottom spiral coil is disposed on the upper surface of each arc-shaped support rod. One end of the bottom spiral coil is connected to the second air outlet, and the other end of the bottom spiral coil is connected to the second air inlet.

[0010] Preferably, the present invention provides a double-coil mixing tank, wherein the upper surface of the tank cover is further provided with a feeding port, a thermometer port and a pressure gauge port.

[0011] Preferably, the present invention provides a double-coil mixing tank, wherein the bottom of the tank body is provided with several supporting feet.

[0012] Preferably, the present invention provides a double-coil mixing tank, wherein a level gauge is provided on one side of the tank body.

[0013] Preferably, the present invention provides a double-coil mixing tank, wherein the mixing rod is provided with a plurality of mixing blades.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The tank is equipped with a coil support, with an inner coil connected to the inner side of the support's uprights. The bottom spiral coil is supported on the upper surface of the arc-shaped support rod at the bottom of the support. The double-coil structure, consisting of the inner coil and the bottom spiral coil, greatly improves the heat exchange effect. Both the inner coil and the bottom spiral coil are connected to the coil support. The bottom spiral coil is raised and supported by the arc-shaped support rod, thus fixing it off the bottom. This solves the problem of material being blocked and unable to drain when directly welded to the bottom of the tank. At the same time, after being raised, it is completely immersed in the material, further improving the heat exchange effect. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a top view of the coil support structure.

[0018] In the diagram: 1. Tank body; 2. Inner coil; 3. Bottom spiral coil; 4. Tank cover; 5. First air outlet; 6. Second air outlet; 7. Reducer; 8. Motor; 9. Stirring rod; 10. Discharge port; 11. Support frame; 12. Shaft seat; 13. First air inlet; 14. Second air inlet; 15. Vertical rod; 16. Upper ring; 17. Horizontal bar; 18. Arc-shaped support rod; 19. Lower ring; 20. Feeding port; 21. Thermometer port; 22. Pressure gauge port; 23. Support foot; 24. Liquid level gauge; 25. Stirring blade. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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 skilled in the art without creative effort are within the protection scope of this utility model.

[0020] It should be noted that in the description of this utility model, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Please see Figure 1-2 This utility model provides a technical solution: a double-coil mixing tank, including a tank body 1, a coil support, an inner coil 2 and a bottom spiral coil 3;

[0022] A tank cover 4 is provided on the upper surface of the tank body 1. A first air outlet 5 and a second air outlet 6 are provided on the upper surface of the tank cover 4. A reducer 7 is provided at the center of the upper surface of the tank cover 4. The reducer 7 is connected to a motor 8. The output shaft of the motor 8 is connected to the input shaft of the reducer 7. The output shaft of the reducer 7 is connected to the top of the stirring rod 9 through a coupling. A discharge port 10 is provided at the bottom of the tank body 1. A shaft seat 12 is provided at the bottom of the tank body 1 and above the discharge port 10 through a support frame 11. The bottom of the stirring rod 9 is rotatably engaged with the shaft seat 12. The stirring rod 9 is provided with several A stirring blade 25 is provided to stir the material. The bottom of the tank body 1 is also provided with a first air inlet 13 and a second air inlet 14. The upper surface of the tank cover 4 is also provided with a feeding port 20, a thermometer port 21 and a pressure gauge port 22. The feeding port 20 is used for feeding and adding materials. The thermometer port 21 and the pressure gauge port 22 are respectively installed with thermometers and pressure gauges to monitor the temperature and pressure inside the tank body 1. Several support feet 23 are provided at the bottom of the tank body 1 to raise and support the whole. A liquid level gauge 24 is provided on one side of the tank body 1 to monitor the liquid level.

[0023] The coil support includes uprights 15, an upper ring 16, crossbars 17, arc-shaped support rods 18, and a lower ring 19. There are several uprights 15, and the top of each upright is connected to the upper ring 16. Several crossbars 17 are provided on the outer end of the upper ring 16. The outer end of the crossbars 17 is connected to the inner wall of the tank 1. The bottom end of the uprights 15 is connected to the bottom of the tank 1. Arc-shaped support rods 18 are provided on the inner side of the lower part of the uprights 15. The inner end of each arc-shaped support rod 18 is connected to the lower ring 19.

[0024] The inner coil 2 is connected to the inner wall of the upright 15. One end of the inner coil 2 is connected to the first air outlet 5, and the other end of the inner coil 2 is connected to the first air inlet 13.

[0025] The bottom spiral coil 3 is disposed on the upper surface of each arc-shaped support rod 18. One end of the bottom spiral coil 3 is connected to the second air outlet 6, and the other end of the bottom spiral coil 3 is connected to the second air inlet 14.

[0026] Installation method and operating principle: Weld the top of the upright 15 to the upper ring 16. Weld several crossbars 17 to the outer end of the upper ring 16. Weld arc-shaped support rods 18 to the inner wall of the lower part of the upright 15. The inner ends of the arc-shaped support rods 18 are all welded to the lower ring 19, completing the assembly of the coil support. Then weld the inner coil 2 to the inner surface of the upright 15. Support the bottom spiral coil 3 on the upper surface of the arc-shaped support rods 18 and weld it in place. Then weld the support frame 11 to the inside of the tank 1 and position the bearing 12 at the top of the support frame 11 above the discharge port 10. Then lift the coil support and send it into the tank 1. Weld the bottom end of the upright 15 to the bottom end inside the tank 1. Weld the outer ends of the crossbars 17 to the inner wall of the tank 1. At this time, the support frame 11 passes through the lower ring 19. A reducer 7 with a motor 8 is installed on the upper surface of the tank cover 4. The top of a stirring shaft with several stirring blades 25 is connected to the output shaft of the reducer 7 via a coupling. The tank cover 4 is lifted, and the stirring shaft and stirring blades 25 are placed into the tank body 1, so that the bottom end of the stirring shaft mates with the shaft seat 12. The two ends of the inner coil 2 are welded to the first air outlet 5 and the first air inlet 13, respectively. The two ends of the bottom spiral coil 3 are welded to the second air outlet 6 and the second air inlet 14, respectively, completing the installation. In use, various liquid raw materials are added into the tank body 1 through the feeding port 20. The motor 8 is started, and the motor 8 drives the stirring shaft to rotate through the reducer 7, thereby stirring by the stirring blades 25. Hot steam enters the inner coil 2 and the bottom spiral coil 3 from the first air inlet 13 and the second air inlet 14, respectively, thereby heating the inside of the tank body 1. The steam in the inner coil 2 and the bottom spiral coil 3 is discharged from the first air outlet 5 and the second air outlet 6. This utility model has a reasonable structure. The tank body 1 is equipped with a coil support. The inner coil 2 is connected to the inner side of the upright 15 of the coil support. The bottom spiral coil 3 is supported on the upper surface of the arc-shaped support rod 18 at the bottom of the coil support. First, the double coil structure of the inner coil 2 and the bottom spiral coil 3 greatly improves the heat exchange effect. Both the inner coil 2 and the bottom spiral coil 3 are connected to the coil support. The bottom spiral coil 3 is raised and supported by the arc-shaped support rod 18, thus fixing it off the bottom. This solves the problem of material being blocked and unable to be discharged when directly welded to the bottom of the tank body 1. At the same time, after being raised, it will be completely immersed in the material, further improving the heat exchange effect.

[0027] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.

[0028] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications and equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A double-coil mixing tank, characterized in that: It includes a tank body (1), a coil support, an inner coil (2), and a bottom spiral coil (3); The upper surface of the tank (1) is provided with a tank cover (4), the upper surface of the tank cover (4) is provided with a first air outlet (5) and a second air outlet (6), a reducer (7) is provided at the center of the upper surface of the tank cover (4), the reducer (7) is connected to a motor (8), the output shaft of the motor (8) is connected to the input shaft of the reducer (7), the output shaft of the reducer (7) is connected to the top of the stirring rod (9) through a coupling, the bottom of the tank (1) is provided with a discharge port (10), the bottom of the tank (1) and above the discharge port (10) is provided with a bearing seat (12) through a support frame (11), the bottom of the stirring rod (9) is rotatably engaged with the bearing seat (12), the bottom of the tank (1) is also provided with a first air inlet (13) and a second air inlet (14); The coil support includes a vertical rod (15), an upper ring (16), a horizontal rod (17), an arc-shaped support rod (18), and a lower ring (19). There are several vertical rods (15), and the top of each vertical rod is connected to the upper ring (16). Several horizontal rods (17) are provided at the outer end of the upper ring (16). The outer end of each horizontal rod (17) is connected to the inner wall of the tank (1). The bottom end of each vertical rod (15) is connected to the bottom of the tank (1). Arc-shaped support rods (18) are provided on the inner side of the lower part of each vertical rod (15). The inner end of each arc-shaped support rod (18) is connected to the lower ring (19). The inner coil (2) is connected to the inner wall of the upright (15), one end of the inner coil (2) is connected to the first air outlet (5), and the other end of the inner coil (2) is connected to the first air inlet (13). The bottom spiral coil (3) is disposed on the upper surface of each arc-shaped support rod (18). One end of the bottom spiral coil (3) is connected to the second air outlet (6), and the other end of the bottom spiral coil (3) is connected to the second air inlet (14).

2. The double-coil mixing tank according to claim 1, characterized in that: The upper surface of the can lid (4) is also provided with a feeding port (20), a thermometer port (21) and a pressure gauge port (22).

3. The double-coil mixing tank according to claim 1, characterized in that: The bottom of the tank (1) is provided with several support feet (23).

4. A double-coil mixing tank according to claim 1, characterized in that: A level gauge (24) is installed on one side of the tank (1).

5. A double-coil mixing tank according to claim 1, characterized in that: The stirring rod (9) is provided with several stirring blades (25).

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