A stirring structure and a reaction kettle for producing water-based microspheres

Abstract

The utility model discloses a stirring structure and a reaction kettle for producing water-based microspheres, belonging to the technical field of stirring. The stirring structure comprises a water tank and a mixing tank, wherein the mixing tank is fixedly mounted on the top of the water tank, a first rotating shaft is rotatably mounted on the inner wall of the mixing tank, a motor is fixedly mounted on the top of the first rotating shaft, an auger is fixedly mounted on the first rotating shaft, a flow guide pipe is fixedly mounted on the bottom end of the inner wall of the mixing tank, a feed port is symmetrically arranged on the outer side of the flow guide pipe, a plurality of annular tubes are fixedly mounted on the inner wall of the flow guide pipe, a connecting tube is arranged between two adjacent annular tubes, an inlet pipe is fixedly mounted between the top annular tube and the water tank, a water outlet pipe is fixedly mounted between the bottom annular tube and the water tank, a heat dissipation component is arranged on the outer side of the water tank, and the device can guide and circulate the water-based microspheres at the bottom upwards during stirring, thereby improving the mixing efficiency, and the microspheres are fully contacted with the annular tubes during the circulating flow, thereby improving the cooling effect.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring, in particular to a stirring structure and a reaction kettle for producing water-based microspheres. Background Art

[0002] At present, the emulsion produced by water-based microspheres needs to form a water-in-oil-in-water structure. In order to ensure the stability of the emulsion, high-speed mixing is required. The single stirring method of ordinary stirring equipment cannot meet the requirements. At the same time, the production of water-based microspheres requires continuous addition of catalysts to ensure the reaction. A large amount of heat will be released during the polymerization reaction, and cooling is required during the reaction process. Traditional reactors use jacket cooling, and the cooling rate is slow. Utility Model Content

[0003] In order to make up for the above shortcomings, the utility model provides a stirring structure and a reaction kettle for producing water-based microspheres, aiming to improve the problems of single stirring structure and slow cooling speed.

[0004] In the first aspect, the utility model provides a stirring structure, including a water tank and a mixing tank, the mixing tank is fixedly installed on the top of the water tank, a first rotating shaft is rotatably installed between the top and bottom of the inner wall of the mixing tank, a motor is fixedly installed on the top of the first rotating shaft, an auger is fixedly installed on the first rotating shaft, a guide pipe is fixedly installed on the bottom of the inner wall of the mixing tank, a feed port is symmetrically arranged on the outside of the guide pipe, the guide pipe is sleeved on the outside of the auger, a plurality of annular tubes are fixedly installed on the inner wall of the guide pipe, a connecting pipe is installed between two adjacent annular tubes, a water inlet pipe is fixedly installed between the topmost annular tube and the water tank, a water outlet pipe is fixedly installed between the bottommost annular tube and the water tank, a water pump is installed on the water inlet pipe, a stirring assembly matched with the first rotating shaft is arranged in the mixing tank, and a heat dissipation assembly is arranged on the outside of the water tank.

[0005] In the preferred technical solution of the utility model, the guide tube has the same height as the auger, the annular tube is sleeved on the outside of the auger, a gap is provided between the auger and the annular tube, and the bottom end of the auger is rotatably connected to the bottom end of the inner wall of the mixing tank.

[0006] In the preferred technical solution of the present utility model, the bottom end of the water outlet pipe is sealed and passes through the bottom end of the mixing tank and is connected to the interior of the water tank. The water outlet pipe is U-shaped, and one end of the water outlet pipe passes through the top end of the mixing tank and is connected to the interior of the water tank.

[0007] In the preferred technical solution of the present utility model, the stirring assembly includes a first support ring, a support rod and a stirring rod. The first support ring is rotatably installed on the inner wall of the mixing tank, the support rod is symmetrically fixedly installed on the bottom end of the first support ring, and a plurality of stirring rods are symmetrically fixedly installed on the outer side of the support rod. The first support ring is connected to the first rotating shaft through a gear set, and the support rod is arranged between the inner wall of the mixing tank and the guide tube.

[0008] In the preferred technical solution of the present utility model, the second support ring is rotatably installed on the inner wall of the mixing tank, the second support ring is arranged below the first support ring, a positioning rod is fixedly installed between the inner wall of the second support ring and the support rod, a limiting ring is fixedly sleeved on the outer side of the first support ring and the second support ring, and the inner wall of the mixing tank is provided with an annular groove matching the limiting ring.

[0009] In the preferred technical solution of the present utility model, the gear set includes a first gear, a second gear and an internal gear. The second rotating shaft is rotatably installed on one side of the inner wall of the mixing tank, the first gear is fixedly installed on the bottom end of the second rotating shaft, the second gear is fixedly installed on the first rotating shaft, the first gear and the second gear are meshingly connected, the internal gear is fixedly installed on the inner wall of the first support ring, and the internal gear is meshingly connected with the first gear.

[0010] In the preferred technical solution of the utility model, a feed pipe is installed at the top of the mixing tank, a discharge pipe is installed at the bottom of one side of the mixing tank, and solenoid valves are installed on both the feed pipe and the discharge pipe.

[0011] In the preferred technical solution of the utility model, the heat dissipation assembly includes a heat sink, and connected grooves are provided on the four sides of the water tank. A plurality of the heat sinks are fixedly installed on the inner wall of the groove, and ventilation holes are provided on the heat sink. The plurality of heat sinks are equidistantly installed inside the groove.

[0012] In the preferred technical solution of the utility model, a fan is fixedly installed in the groove, and there are two fans which are installed diagonally in the groove.

[0013] In a second aspect, the utility model further provides a reaction kettle for producing water-based microspheres, comprising the above-mentioned stirring structure and a reaction kettle body.

[0014] The beneficial effects of the utility model are as follows: the utility model obtains a stirring structure and a reaction kettle for producing water-based microspheres through the above-mentioned design. During stirring, the motor is started to drive the first rotating shaft to rotate, and the rotation of the first rotating shaft drives the auger to rotate, so that the liquid in the mixing tank flows into the guide tube from the feed port, and then flows out from the top of the guide tube for circulation, and at the same time the annular tube cools the liquid, the rotation of the first rotating shaft drives the first supporting ring to rotate through the cooperation of the second gear, the first gear and the internal gear, and the rotation of the first supporting ring drives the support rod and the stirring rod to rotate for rapid stirring, and in terms of cooling, the water pump is started to drive the cooling liquid to flow, and the fan is started to cooperate with the heat sink to cool the cooling liquid in the water tank, and this device can guide the water-based microspheres at the bottom to circulate upwards while stirring, thereby improving the mixing efficiency, and at the same time, the microspheres are fully contacted with the annular tube during the circulating flow, thereby improving the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a stirring structure provided by an embodiment of the utility model;

[0017] Figure 2 A schematic diagram of the internal structure of a mixing tank is provided for an embodiment of the utility model;

[0018] Figure 3 A schematic diagram of the internal structure of the flow guide tube is provided for the implementation mode of the utility model;

[0019] Figure 4 A cross-sectional view of a water tank is provided for an embodiment of the utility model.

[0020] In the figure: 110-water tank; 111-heat sink; 112-ventilation hole; 113-fan; 120-mixing tank; 1201-feed pipe; 1202-discharge pipe; 121-first rotating shaft; 1211-motor; 122-auger; 123-flow guide pipe; 130-annular pipe; 131-connecting pipe; 132-water inlet pipe; 133-water outlet pipe; 134-water pump; 140-first support ring; 141-support rod; 142-stirring rod; 143-second support ring; 145-first gear; 146-second gear; 147-internal gear; 148-second rotating shaft. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 3 The utility model provides a technical solution: a stirring structure, including a water tank 110 and a mixing tank 120, the mixing tank 120 is fixedly installed at the top of the water tank 110, a feed pipe 1201 is installed at the top of the mixing tank 120, a discharge pipe 1202 is installed at the bottom of one side of the mixing tank 120, and electromagnetic valves are installed on the feed pipe 1201 and the discharge pipe 1202, a first rotating shaft 121 is rotatably installed between the top and bottom of the inner wall of the mixing tank 120, a motor 1211 is fixedly installed at the top of the first rotating shaft 121, and the first rotating shaft 121 is installed. A screw dragon 122 is fixedly installed on the top of the mixing tank 120, a guide pipe 123 is fixedly installed on the bottom of the inner wall of the mixing tank 120, a feed port is symmetrically arranged on the outer side of the guide pipe 123, the guide pipe 123 is sleeved on the outer side of the screw dragon 122, a plurality of ring pipes 130 are fixedly installed on the inner wall of the guide pipe 123, a connecting pipe 131 is installed between two adjacent ring pipes 130, an inlet pipe 132 is fixedly installed between the top ring pipe 130 and the water tank 110, a water outlet pipe 133 is fixedly installed between the bottom ring pipe 130 and the water tank 110, and a water inlet pipe 132 is fixedly installed on the water inlet pipe 132. A water pump 134 is installed. The guide pipe 123 has the same height as the auger 122. The annular pipe 130 is sleeved on the outside of the auger 122. A gap is set between the auger 122 and the annular pipe 130. The bottom end of the auger 122 is rotatably connected to the bottom end of the inner wall of the mixing tank 120. The bottom end of the water outlet pipe 133 is sealed and penetrates the bottom end of the mixing tank 120 and communicates with the inside of the water tank 110. The water outlet pipe 133 is U-shaped. One end of the water outlet pipe 133 penetrates the top of the mixing tank 120 and communicates with the inside of the water tank 110. The mixing tank 120 is provided with a first The stirring assembly cooperates with the rotating shaft 121, and the stirring assembly includes a first support ring 140, a support rod 141 and a stirring rod 142. The first support ring 140 is rotatably installed on the inner wall of the mixing tank 120, the support rod 141 is symmetrically fixedly installed on the bottom end of the first support ring 140, and multiple stirring rods 142 are symmetrically fixedly installed on the outer side of the support rod 141. The first support ring 140 is connected to the first rotating shaft 121 through a gear set. The support rod 141 is arranged between the inner wall of the mixing tank 120 and the guide pipe 123, and a heat dissipation assembly is arranged on the outer side of the water tank 110.

[0023] In some specific embodiments, the second support ring 143 is rotatably installed on the inner wall of the mixing tank 120, the second support ring 143 is arranged below the first support ring 140, a positioning rod is fixedly installed between the inner wall of the second support ring 143 and the support rod 141, a limiting ring is fixedly sleeved on the outer side of the first support ring 140 and the second support ring 143, and an annular groove matching the limiting ring is provided on the inner wall of the mixing tank 120. The cooperation between the second support ring 143 and the first support ring 140 improves the stability during rotation and effectively prevents deviation due to excessive rotation.

[0024] In some specific embodiments, the gear set includes a first gear 145, a second gear 146 and an internal gear 147. The second rotating shaft 148 is rotatably installed on one side of the inner wall of the mixing tank 120, the first gear 145 is fixedly installed on the bottom end of the second rotating shaft 148, the second gear 146 is fixedly installed on the first rotating shaft 121, the first gear 145 and the second gear 146 are meshingly connected, the internal gear 147 is fixedly installed on the inner wall of the first support ring 140, and the internal gear 147 is meshingly connected with the first gear 145. Through the cooperation of the gear set, the motor 1211 drives multiple components to rotate at the same time, saving energy.

[0025] See also Figure 4 The heat dissipation component includes a heat sink 111. The four sides of the water tank 110 are provided with connected grooves. A plurality of heat sinks 111 are fixedly installed on the inner wall of the groove. The heat sink 111 is provided with ventilation holes 112. The plurality of heat sinks 111 are equidistantly installed inside the groove.

[0026] In some specific implementation schemes, a fan 113 is fixedly installed in the groove. There are two fans 113 and they are installed diagonally in the groove, which speeds up the wind flow outside the heat sink 111, thereby improving the heat dissipation effect.

[0027] The embodiment of the utility model further provides a reaction kettle for producing water-based microspheres, comprising the above-mentioned stirring structure and a reaction kettle body.

[0028] Working principle: During stirring, the motor 1211 is started to drive the first rotating shaft 121 to rotate, and the rotation of the first rotating shaft 121 drives the auger 122 to rotate, so that the liquid in the mixing tank 120 flows into the guide pipe 123 from the feed port, and then flows out from the top of the guide pipe 123 for circulation. At the same time, the ring pipe 130 cools the liquid. The rotation of the first rotating shaft 121 drives the first support ring 140 to rotate through the cooperation of the second gear 146, the first gear 145 and the internal gear 147. The rotation of the first support ring 140 drives the support rod 141 and the stirring rod 142 to rotate for rapid stirring. For cooling, the water pump 134 is started to drive the cooling liquid to flow, and the fan 113 is started to cooperate with the heat sink 111 to cool the cooling liquid in the water tank 110.

[0029] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stirring structure, characterized in that: It includes a water tank and a mixing tank, the mixing tank is fixedly installed on the top of the water tank, a first rotating shaft is rotatably installed between the top and bottom of the inner wall of the mixing tank, a motor is fixedly installed on the top of the first rotating shaft, an auger is fixedly installed on the first rotating shaft, a guide pipe is fixedly installed on the bottom of the inner wall of the mixing tank, a feed port is symmetrically arranged on the outside of the guide pipe, the guide pipe is sleeved on the outside of the auger, a plurality of annular tubes are fixedly installed on the inner wall of the guide pipe, a connecting pipe is installed between two adjacent annular tubes, a water inlet pipe is fixedly installed between the topmost annular tube and the water tank, a water outlet pipe is fixedly installed between the bottommost annular tube and the water tank, a water pump is installed on the water inlet pipe, a stirring assembly matched with the first rotating shaft is arranged in the mixing tank, and a heat dissipation assembly is arranged on the outside of the water tank.

2. A stirring structure according to claim 1, characterized in that: The guide pipe has the same height as the auger, the annular tube is sleeved on the outside of the auger, and a gap is arranged between the auger and the annular tube.

3. A stirring structure according to claim 1, characterized in that: The bottom end of the water outlet pipe is sealed and passes through the bottom end of the mixing tank and is connected to the inside of the water tank. The water outlet pipe is U-shaped, and one end of the water outlet pipe passes through the top end of the mixing tank and is connected to the inside of the water tank.

4. A stirring structure according to claim 1, characterized in that: The stirring assembly includes a first support ring, a support rod and a stirring rod. The first support ring is rotatably installed on the inner wall of the mixing tank, the support rod is symmetrically fixedly installed on the bottom end of the first support ring, and multiple stirring rods are symmetrically fixedly installed on the outer side of the support rod. The first support ring is connected to the first rotating shaft through a gear set.

5. A stirring structure according to claim 4, characterized in that: A second support ring is rotatably mounted on the inner wall of the mixing tank, the second support ring is arranged below the first support ring, and a positioning rod is fixedly mounted between the inner wall of the second support ring and the support rod.

6. A stirring structure according to claim 4, characterized in that: The gear set includes a first gear, a second gear and an internal gear. The second rotating shaft is rotatably installed on one side of the inner wall of the mixing tank, the first gear is fixedly installed on the bottom end of the second rotating shaft, the second gear is fixedly installed on the first rotating shaft, the first gear and the second gear are meshingly connected, the internal gear is fixedly installed on the inner wall of the first support ring, and the internal gear is meshingly connected with the first gear.

7. A stirring structure according to claim 1, characterized in that: A feed pipe is installed at the top of the mixing tank, a discharge pipe is installed at the bottom of one side of the mixing tank, and solenoid valves are installed on the feed pipe and the discharge pipe.

8. A stirring structure according to claim 1, characterized in that: The heat dissipation component includes a heat sink, and communicating grooves are arranged on four sides of the water tank. A plurality of the heat sinks are fixedly mounted on the inner walls of the grooves, and ventilation holes are arranged on the heat sinks.

9. A stirring structure according to claim 8, characterized in that: A fan is fixedly installed in the groove.

10. A reaction kettle for producing water-based microspheres, characterized in that: It comprises the stirring structure as described in any one of claims 1 to 9 and a reactor body.

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