Six-blade scraper type turbine stirrer reaction kettle

Abstract

The utility model relates to a six-blade scraper type turbine stirrer reaction kettle, and belongs to the field of reaction kettle stirring, the six-blade scraper type turbine stirrer reaction kettle comprises a barrel body, a stirring shaft and a stirring device, the stirring shaft is rotatably connected with the barrel body, and the stirring device comprises a first stirring paddle, a second stirring paddle and a third stirring paddle which are sequentially arranged on the stirring shaft from top to bottom; the first stirring paddle and the second stirring paddle are both six-blade scraper type turbine stirrers, and the third stirring paddle is a hinge paddle type stirrer. Axial flow and radial flow of fluid can be achieved at the same time, the stirring device is simple in structure, position distribution of the stirring device is optimized, occupied space cost is low, the structure is simple and compact, operation energy consumption is low, dead-corner-free deep stirring under various working conditions is achieved, and reaction time is shortened.

Description

Technical Field

[0001] The present application relates to the field of reactor stirring, and in particular to a reactor with a six-blade scraper turbine stirrer. Background Art

[0002] Mechanically stirred reactors are commonly used in chemical production, suitable for reaction processes with a variety of physical properties and operating conditions. They are widely used in industries such as synthetic plastics, synthetic fibers, synthetic rubber, pharmaceuticals, pesticides, food, metallurgy, and wastewater treatment. Generally, mature process production flows involve both chemical reactions and physical reactions such as mixing, dissolution, crystallization, and extraction.

[0003] Conventional stirred reactors are equipped with a stirring device comprising primary, secondary, and tertiary stirring blades. The primary stirring blades are fan-shaped, the secondary stirring blades are paddle-shaped, and the tertiary stirring blades are frame-shaped. These stirring devices can fully stir highly viscous materials and facilitate mixing. However, these stirring devices are complex in structure, occupy a high space cost, and consume a lot of energy to operate, making them difficult to use widely. Utility Model Content

[0004] In order to improve the above problems, the present application provides a six-blade scraper turbine agitator reactor.

[0005] The present application provides a six-blade scraper turbine agitator reactor adopting the following technical solution:

[0006] A six-blade scraper turbine agitator reactor comprises a barrel, a stirring shaft and a stirring device, wherein the stirring shaft and the barrel are rotatably connected, and the stirring device comprises a first stirring paddle, a second stirring paddle and a third stirring paddle arranged on the stirring shaft from top to bottom, wherein the first stirring paddle and the second stirring paddle are both six-blade scraper turbine agitators, and the third stirring paddle is a folding blade paddle agitator.

[0007] By adopting the above technical solution, the six-blade scraper turbine agitator can simultaneously realize the axial flow and radial flow of the fluid. The structure of the stirring device is simple, the position distribution of the stirring device is optimized, the space cost is low, the structure is simple and compact, and the operation energy consumption is low. It can achieve deep stirring without dead angles under various working conditions, shorten the reaction time, and facilitate the reaction work of the fluid.

[0008] Preferably, the first stirring paddle includes a first sleeve, a first disc and a first blade. The first sleeve and the first disc are fixedly connected. The first disc is sleeved on the first sleeve. The first sleeve is sleeved on the stirring shaft. There are six first blades, and the first blades are arranged in a ring shape on the circumference of the first disc.

[0009] By adopting the above technical solution, the operator can install the first disc onto the stirring shaft, thereby realizing the installation of the first paddle, and the first paddle can stir the fluid in the upper part of the cylinder; the first sleeve can improve the rotation stability of the first disc, thereby improving the rotation stability of the first paddle, facilitating the stirring work of the first paddle.

[0010] Preferably, one of the first blades includes two first connecting plates and two first auxiliary plates, the two first connecting plates are fixedly connected, and the angle between the two first connecting plates is 60°, and the ends of one of the first auxiliary plates and one of the first connecting plates are fixedly connected, and the angle between the first auxiliary plate and the first connecting plate is 90°.

[0011] By adopting the above technical solution, when the first connecting plate and the first auxiliary plate rotate, the fluid can not only produce axial flow, but also shear the fluid through the first connecting plate and the first auxiliary plate to produce radial flow, thereby realizing multi-angle shearing of the fluid, improving the stirring efficiency, and facilitating the stirring work of the fluid.

[0012] Preferably, the second stirring paddle includes a second sleeve, a second disc and a second blade. The second sleeve and the second disc are fixedly connected. The second disc is sleeved on the second sleeve. The second sleeve is sleeved on the stirring shaft. Six second blades are provided. The second blades are arranged in a ring shape on the circumference of the second disc.

[0013] By adopting the above technical solution, the operator can install the second disc onto the stirring shaft, thereby realizing the installation of the second paddle, and the second paddle can stir the fluid in the middle part of the cylinder; the second sleeve can improve the rotation stability of the second disc, thereby improving the rotation stability of the second paddle, facilitating the stirring work of the second paddle.

[0014] Preferably, a second blade includes two second connecting plates and two second auxiliary plates, the two second connecting plates are fixedly connected, and the angle between the two second connecting plates is 60°, and the ends of a second auxiliary plate and a second connecting plate are fixedly connected, and the angle between the second auxiliary plate and the second connecting plate is 90°.

[0015] By adopting the above technical solution, when the second connecting plate and the second auxiliary plate rotate, the fluid can not only produce axial flow, but also shear the fluid through the second connecting plate and the second auxiliary plate to produce radial flow, thereby realizing multi-angle shearing of the fluid, improving the stirring efficiency, and facilitating the stirring work of the fluid.

[0016] Preferably, a feed pipe is provided on the cylinder, one end of the feed pipe extends into the cylinder, and the end of the feed pipe extending into the cylinder extends to the bottom of the cylinder.

[0017] By adopting the above technical solution, the operator can transport the material to the bottom of the cylinder through the feed pipe, reducing the possibility of the material staying on the inner wall of the cylinder. At the same time, the feed pipe can act as a baffle to prevent the occurrence of vortexing and facilitate the mixing of the material.

[0018] Preferably, a spiral coil is provided outside the cylinder.

[0019] By adopting the above technical solution, the spiral coil can cool or heat the barrel, thereby cooling or heating the material in the barrel.

[0020] Preferably, the third stirring paddle includes a third sleeve and two third blades, the third sleeve is sleeved on the stirring shaft, the two third blades are fixedly connected to the third sleeve, and the lower side of the third blade fits the contour of the bottom wall of the cylinder.

[0021] By adopting the above technical solution, the operator can install the third sleeve onto the stirring shaft, thereby realizing the installation of the third blade; when the third blade rotates, the third blade can stir the material at the bottom of the cylinder, reducing the accumulation of material at the bottom of the cylinder.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. Through the arrangement of the first stirring paddle, the second stirring paddle, and the third stirring paddle, the six-blade scraper turbine agitator can simultaneously achieve axial and radial flows of the fluid. The stirring device has a simple structure, optimized position distribution of the stirring device, low space cost, simple and compact structure, low energy consumption in operation, and can achieve deep stirring without dead angles under various working conditions, shorten reaction time, and facilitate fluid reaction work;

[0024] 2. Through the setting of the first connecting plate and the first auxiliary plate, when the first connecting plate and the first auxiliary plate rotate, the fluid can generate axial flow, and the first connecting plate and the first auxiliary plate shear the fluid to generate radial flow, thereby realizing multi-angle shearing of the fluid, improving the stirring efficiency, and facilitating the stirring work of the fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the internal structure of a six-blade scraper turbine agitator reactor in an embodiment of the present application.

[0026] Figure 2 It is a schematic diagram of the overall structure of the first stirring paddle in the embodiment of the present application.

[0027] Figure 3 It is a schematic diagram of the overall structure of the second stirring paddle in the embodiment of the present application.

[0028] Figure 4It is a schematic diagram of the overall structure of the third stirring paddle in the embodiment of the present application.

[0029] Explanation of the accompanying drawings: 1. Cylinder; 2. Stirring shaft; 3. Stirring device; 31. First stirring paddle; 311. First sleeve; 312. First disc; 3121. First through hole; 313. First blade; 3131. First connecting plate; 3132. First auxiliary plate; 32. Second stirring paddle; 321. Second sleeve; 322. Second disc; 3221. Second through hole; 323. Second blade; 3231. Second connecting plate; 3232. Second auxiliary plate; 33. Third stirring paddle; 331. Third sleeve; 332. Third blade; 4. Feed pipe; 5. Spiral coil. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-4 This application is described in further detail.

[0031] The embodiment of the present application discloses a six-blade scraper turbine agitator reactor, such as Figure 1 As shown, it includes a cylinder 1, an agitator shaft 2, and an agitator device 3. The agitator shaft 2 is rotatably connected to the cylinder 1, and a motor is installed on the cylinder 1 to control the rotation of the agitator shaft 2. The agitator device 3 includes a first agitator paddle 31, a second agitator paddle 32, and a third agitator paddle 33, which are arranged on the agitator shaft 2 from top to bottom. The first agitator paddle 31 and the second agitator paddle 32 are both six-blade scraper turbine agitators, and the third agitator paddle 33 is a folding blade agitator. During actual operation, the operator can drive the agitator shaft 2 to rotate with the drive motor. The rotation of the agitator shaft 2 can drive the rotation of the first agitator paddle 31, the second agitator paddle 32, and the third agitator paddle 33, thereby stirring the fluid in the cylinder 1.

[0032] like Figure 1 As shown, a spiral coil 5 is installed outside the cylinder 1, and the spiral coil 5 can cool or heat the cylinder 1, thereby cooling or heating the material in the cylinder 1, which is convenient for the reaction of the material. A feed pipe 4 is installed on the cylinder 1, and the feed pipe 4 is vertically arranged. One end of the feed pipe 4 extends into the cylinder 1, and the part of the feed pipe 4 extending into the cylinder 1 is fixedly installed on the inner wall of the cylinder 1 through a connecting rod. The end of the feed pipe 4 extending into the cylinder 1 extends to the bottom of the cylinder 1; the operator can transport the material to the bottom of the cylinder 1 through the feed pipe 4. Compared with the traditional feed pipe 4, the feed pipe 4 in this embodiment can reduce the possibility of the material staying on the inner wall of the cylinder 1, and the feed tank acts as a baffle to prevent the occurrence of vortexing, which is convenient for the stirring of the material.

[0033] like Figure 2As shown, the first stirring paddle 31 includes a first sleeve 311, a first disc 312, and a first blade 313. The first sleeve 311 and the first disc 312 are fixedly connected. The first disc 312 is fixedly mounted on the first sleeve 311, and the first sleeve 311 is fixedly mounted on the stirring shaft 2. Six first blades 313 are provided, and the first blades 313 are fixedly mounted in a ring shape around the circumference of the first disc 312. Each first blade 313 includes two first connecting plates 3131 and two first auxiliary plates 3132. The two first connecting plates 3131 are fixedly connected, and the angle between the two first connecting plates 3131 is 60 degrees. The first disc 312 has a first through-hole 3121, which is inserted into the joint of the two first connecting plates 3131. The ends of the first auxiliary plates 3132 and the first connecting plates 3131 are fixedly connected, and the angle between the first auxiliary plates 3132 and the first connecting plates 3131 is 90 degrees. The operator can install the first disc 312 onto the stirring shaft 2 to achieve the installation of the first blade 313. When the stirring shaft 2 rotates, the stirring shaft 2 can drive the rotation of the first disc 312, thereby driving the rotation of the first blade 313, so that the fluid in the cylinder 1 produces axial flow, and can also shear the fluid, so that the fluid in the cylinder 1 produces radial flow, realizing multi-angle shearing of the fluid, improving the stirring efficiency, and facilitating the stirring work of the fluid.

[0034] like Figure 3 As shown, the second stirring paddle 32 includes a second sleeve 321, a second disc 322, and a second blade 323. The second sleeve 321 and the second disc 322 are fixedly connected. The second disc 322 is fixedly mounted on the second sleeve 321, and the second sleeve 321 is fixedly mounted on the stirring shaft 2. Six second blades 323 are provided, and the second blades 323 are fixedly mounted in a ring shape around the circumference of the second disc 322. Each second blade 323 includes two second connecting plates 3231 and two second auxiliary plates 3232. The two second connecting plates 3231 are fixedly connected, and the angle between the two second connecting plates 3231 is 60 degrees. The second disc 322 has a second through hole 3221, which is inserted into the connection between the two second connecting plates 3231. The second auxiliary plate 3232 is fixedly connected to the end of the second connecting plate 3231, and the angle between the second auxiliary plate 3232 and the second connecting plate 3231 is 90 degrees. The operator can install the second disc 322 onto the stirring shaft 2 to achieve the installation of the second blade 323. When the stirring shaft 2 rotates, the stirring shaft 2 can drive the rotation of the second disc 322, thereby driving the rotation of the second blade 323, so that the fluid in the cylinder 1 produces axial flow, and can also shear the fluid, so that the fluid in the cylinder 1 produces radial flow, realizing multi-angle shearing of the fluid, improving the stirring efficiency, and facilitating the stirring work of the fluid.

[0035] like Figure 4As shown, the third stirring paddle 33 includes a third sleeve 331 and two third blades 332. The third sleeve 331 is fixedly mounted on the stirring shaft 2. The two third blades 332 are fixedly connected to the third sleeve 331, and the lower side of the third blades 332 conforms to the contour of the inner bottom wall of the cylinder 1. The operator can install the third sleeve 331 on the stirring shaft 2 to complete the installation of the third blades 332. When the stirring shaft 2 rotates, the stirring shaft 2 can drive the rotation of the third sleeve 331, and the rotation of the third sleeve 331 can drive the rotation of the third blades 332. The third blades 332 can stir the material at the bottom of the cylinder 1, thereby reducing the accumulation of material at the bottom of the cylinder 1.

[0036] The implementation principle of a six-blade scraper turbine agitator reactor in the embodiment of the present application is:

[0037] The operator can transport the material into the cylinder 1 through the feed pipe 4, and then drive the stirring shaft 2 to rotate through the motor. The rotation of the stirring shaft 2 can drive the rotation of the first stirring paddle 31, the second stirring paddle 32 and the third stirring paddle 33. The first stirring paddle 31 and the second stirring paddle 32 can realize the axial flow and radial flow of the fluid. The third stirring paddle 33 can stir the material at the bottom of the cylinder 1, reduce the accumulation of material at the bottom of the cylinder 1, realize deep stirring without dead angles under various working conditions, shorten the reaction time, and facilitate the reaction of the fluid.

[0038] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A six-blade scraper turbine agitator reactor, characterized by: The invention comprises a cylinder (1), a stirring shaft (2) and a stirring device (3), wherein the stirring shaft (2) and the cylinder (1) are rotatably connected, and the stirring device (3) comprises a first stirring paddle (31), a second stirring paddle (32) and a third stirring paddle (33) which are sequentially arranged on the stirring shaft (2) from top to bottom, wherein the first stirring paddle (31) and the second stirring paddle (32) are both six-blade scraper turbine stirrers, and the third stirring paddle (33) is a folding blade stirrer.

2. A six-blade scraper turbine agitator reactor according to claim 1, characterized in that: The first stirring paddle (31) includes a first sleeve (311), a first disc (312) and a first blade (313). The first sleeve (311) and the first disc (312) are fixedly connected. The first disc (312) is sleeved on the first sleeve (311). The first sleeve (311) is sleeved on the stirring shaft (2). Six first blades (313) are provided. The first blades (313) are arranged in a ring shape on the circumference of the first disc (312).

3. A six-blade scraper turbine agitator reactor according to claim 2, characterized in that: One of the first blades (313) includes two first connecting plates (3131) and two first auxiliary plates (3132), the two first connecting plates (3131) are fixedly connected, and the angle between the two first connecting plates (3131) is 60°; one of the first auxiliary plates (3132) and the end of one of the first connecting plates (3131) are fixedly connected, and the angle between the first auxiliary plate (3132) and the first connecting plate (3131) is 90°.

4. A six-blade scraper turbine agitator reactor according to claim 1, characterized in that: The second stirring paddle (32) includes a second sleeve (321), a second disc (322) and a second blade (323). The second sleeve (321) and the second disc (322) are fixedly connected. The second disc (322) is sleeved on the second sleeve (321). The second sleeve (321) is sleeved on the stirring shaft (2). Six second blades (323) are provided. The second blades (323) are arranged in a ring shape on the circumference of the second disc (322).

5. A six-blade scraper turbine agitator reactor according to claim 4, characterized in that: A second blade (323) includes two second connecting plates (3231) and two second auxiliary plates (3232), the two second connecting plates (3231) are fixedly connected, and the angle between the two second connecting plates (3231) is 60°; the ends of a second auxiliary plate (3232) and a second connecting plate (3231) are fixedly connected, and the angle between the second auxiliary plate (3232) and the second connecting plate (3231) is 90°.

6. A six-blade scraper turbine agitator reactor according to claim 1, characterized in that: A feed pipe (4) is provided on the cylinder (1), one end of the feed pipe (4) extends into the cylinder (1), and the end of the feed pipe (4) extending into the cylinder (1) extends to the bottom of the cylinder (1).

7. The six-blade scraper turbine agitator reactor according to claim 1, characterized in that: A spiral coil (5) is provided outside the cylinder (1).

8. The six-blade scraper turbine agitator reactor according to claim 1, characterized in that: The third stirring paddle (33) comprises a third sleeve (331) and two third blades (332), wherein the third sleeve (331) is sleeved on the stirring shaft (2), the two third blades (332) and the third sleeve (331) are fixedly connected, and the lower side of the third blade (332) is in contact with the inner bottom wall contour of the cylinder (1).

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