A large fermentation mixing tank

Abstract

This utility model discloses a large-scale fermentation mixing tank, comprising: a tank body and a mixing device. The mixing device includes a mixing motor, which is fixedly installed on the top of the tank body. A mixing rod is rotatably installed inside the tank body. A first mixing fin assembly is fixedly installed at the bottom end of the mixing rod. A plurality of second mixing fin assemblies are evenly distributed and fixedly installed on the mixing rod along its extension direction. The first mixing fin assembly includes a first mounting plate, and a plurality of first mixing fins are evenly distributed radially along the edge of the first mounting plate. The cross-section of the first mixing fins is parabolic. The second mixing fin assembly includes a second fixing base, and a plurality of second mixing fins are evenly distributed radially along the outer wall of the second fixing base. The plurality of second mixing fins are fixedly installed on the second fixing base in an inclined manner. This utility model has high mixing efficiency and good mixing effect, which can make the materials in the tank body evenly mixed and fully contacted between the materials, thereby improving fermentation efficiency and ensuring good fermentation effect.

Description

Technical Field

[0001] This utility model relates to the field of mixing tank technology, and in particular to a large-scale fermentation mixing tank. Background Technology

[0002] A fermentation mixing tank is a vessel used for stirring, mixing, and fermentation in the fermentation process. During fermentation, the materials inside the tank need to be stirred to ensure sufficient contact, improve fermentation efficiency, and guarantee good fermentation results. However, existing fermentation mixing tanks often have poor stirring effects, leading to uneven mixing and insufficient contact between materials, resulting in poor fermentation efficiency and unsatisfactory fermentation results. Utility Model Content

[0003] The purpose of this invention is to provide a large-scale fermentation mixing tank with high mixing efficiency and good mixing effect, which can make the materials in the tank evenly mixed and fully contact each other, thereby improving fermentation efficiency and ensuring good fermentation effect.

[0004] To achieve the above and other related objectives, this utility model provides a large-scale fermentation mixing tank, comprising: a tank body and a mixing device; a feed inlet is provided on the top surface of the tank body, and a cover plate is detachably installed at the feed inlet; a discharge outlet is provided on the bottom surface of the tank body, and a discharge valve is fixedly installed at the discharge outlet; an exhaust port is provided on the top of the side wall of the tank body, and an air inlet pipe is provided on the bottom of the side wall of the tank body; the mixing device includes a mixing motor, which is fixedly installed on the top of the tank body; a mixing rod is rotatably installed inside the tank body, with its top end rotatably connected to the top of the tank body; its bottom end extends along the extension direction of the tank body to the bottom of the tank body; the output end of the mixing motor is drivenly connected to the top end of the mixing rod; a first mixing fin assembly is fixedly installed on the bottom end of the mixing rod; and several second mixing fin assemblies are evenly distributed and fixedly installed on the mixing rod along its extension direction. The number of the second stirring fin assembly is greater than or equal to three. The first stirring fin assembly includes a first mounting plate, which is circular. A first fixing seat is provided in the middle of the first mounting plate. The first fixing seat is fixedly connected to the bottom end of the stirring rod. A plurality of first stirring fins are evenly distributed radially along the edge of the first mounting plate. The cross-section of the first stirring fins is parabolic. The second stirring fin assembly includes a second fixing seat, which is fixedly connected to the outer wall of the stirring rod. A plurality of second stirring fins are evenly distributed radially on the outer wall of the second fixing seat. The plurality of second stirring fins are fixedly installed on the second fixing seat in an inclined manner. The top of the plurality of second stirring fins away from the second fixing seat is provided with an arc-shaped part. The curvature direction of the arc-shaped part is towards the bottom of the tank. The stirring direction of the first stirring fin assembly and the plurality of second stirring fin assemblies is the same.

[0005] In one example of the large fermentation mixing tank of this utility model, a motor bracket is fixedly installed on the top of the tank body, the mixing motor is fixedly installed on the top of the motor bracket, a reducer is also fixedly installed on the top of the motor bracket, the output end of the mixing motor is fixedly connected to the input end of the reducer, and the output end of the reducer is fixedly connected to the top end of the mixing rod.

[0006] In one example of the large-scale fermentation mixing tank of this utility model, the motor support includes a first support, a second support, and a top plate. The top ends of the first support and the second support are respectively fixedly connected to both ends of the bottom surface of the top plate, and the bottom ends of the first support and the second support are respectively fixedly connected to the middle and edge of the top surface of the tank. The stirring motor and the reducer are respectively fixedly installed at both ends of the top surface of the top plate. The reducer is located on the upper side of the first support. The top end of the stirring rod passes through the first support. The top end of the stirring rod is fixedly connected to the output end of the reducer through a first coupling assembly. The output end of the stirring motor is fixedly connected to the input end of the reducer through a second coupling.

[0007] In one example of the large fermentation mixing tank of this utility model, a first mounting seat is provided at the center of the top surface of the tank, and a second mounting seat is provided at the edge of the top surface of the tank. The bottom ends of the first bracket and the second bracket are fixedly connected to the first mounting seat and the second mounting seat, respectively.

[0008] In one example of the large-scale fermentation mixing tank of this utility model, the stirring rod includes a first rod body, a second rod body, and a third rod body. The top end of the first rod body is connected to the output end of the reducer. The two ends of the second rod body are respectively fixedly connected to the bottom end of the first rod body and the top end of the third rod body. The bottom end of the third rod body is fixedly installed with the first stirring wing assembly. A plurality of the second stirring wing assemblies are evenly distributed on the second rod body and the third rod body.

[0009] In one example of the large-scale fermentation mixing tank of this utility model, the connection between the first rod, the second rod, and the third rod is fixedly connected by a flange and several bolt assemblies.

[0010] In one example of the large fermentation mixing tank of this utility model, the first mounting plate includes two semi-circular first plate bodies, the first fixing seat includes two semi-circular first arc plates, the first plate bodies and the first arc plates are coaxially arranged, the two sides of the two first arc plates are fixedly connected by first wing plates and several bolt assemblies, and the tops of the two first plate bodies are fixedly connected by two first connecting plates.

[0011] In one example of the large fermentation mixing tank of this utility model, the first plate is provided with a plurality of slots, the first stirring fins are engaged with the slots, and a second connecting plate is fixedly installed at the end of the first stirring fins away from the opening. The second connecting plate is fixedly connected to the first plate by a plurality of bolt assemblies.

[0012] In one example of the large-scale fermentation mixing tank of this utility model, the number of the first stirring fins on each first plate is 3 to 5, and the number of slots is equal to the number of the first stirring fins.

[0013] In one example of the large fermentation mixing tank of this utility model, the second fixed base includes two semi-circular second arc plates. The two sides of the two second arc plates are fixedly connected by second wing plates and several bolt assemblies. Several fin mounting seats are provided on the outer wall of the second arc plates, and one second stirring fin is fixedly installed on each fin mounting seat.

[0014] In one example of the large-scale fermentation mixing tank of this utility model, the number of the second stirring wing assembly is 3 to 5, the number of the second stirring wing blades on each second stirring wing assembly is 4 to 6, and the included angle formed between the second stirring wing blades and the end face of the second fixed seat is 40 to 50°.

[0015] This utility model relates to a large-scale fermentation mixing tank. The tank body is mounted on a support or platform. The raw materials for fermentation are fed into the tank through the inlet, and then the cover is fixedly installed at the inlet. The exhaust port on the tank body is connected to an exhaust pipe, and the air inlet pipe is connected to an air supply device. During fermentation, the waste gas generated is discharged from the exhaust port, and the oxygen supplied by the air supply device enters the tank body through the air inlet pipe. The stirring motor drives the stirring rod to rotate, which in turn drives the first stirring fin assembly and several second stirring fin assemblies to rotate. The first stirring fin assembly uses several first stirring fins to stir the material at the bottom of the tank body, and the second stirring fin assemblies use several second stirring fins to stir the material inside the tank body. This results in high stirring efficiency and good stirring effect, ensuring that the materials inside the tank are mixed evenly and that there is sufficient contact between the materials, thereby improving fermentation efficiency and ensuring good fermentation results. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the large-scale fermentation mixing tank of this utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of an embodiment of the large-scale fermentation mixing tank of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the stirring motor and motor support in one embodiment of the large fermentation mixing tank of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the stirring rod, the first stirring fin assembly, and the second stirring fin assembly in one embodiment of the large fermentation mixing tank of this utility model.

[0020] Figure 5 This is a schematic diagram of the structure of the first stirring fin assembly in one embodiment of the large fermentation mixing tank of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the first mounting plate in one embodiment of the large fermentation mixing tank of this utility model;

[0022] Figure 7 This is a perspective view of the second stirring fin assembly in one embodiment of the large fermentation mixing tank of this utility model;

[0023] Figure 8 This is a side view of the second stirring fin assembly in one embodiment of the large fermentation mixing tank of this utility model.

[0024] Component designation:

[0025] 100 Tank body; 110 Motor bracket; 111 First bracket; 112 Second bracket; 113 Top plate; 120 Inlet; 130 Outlet; 131 Discharge valve; 140 Exhaust port; 150 Air inlet pipe; 160 First mounting base; 170 Second mounting base; 200 Agitator; 210 Agitator motor; 220 Agitator rod; 221 First agitator rod; 222 Second agitator rod; 223 Third agitator rod; 230 Reducer; 240 ... 1. Coupling assembly; 250. Second coupling; 300. First agitator fin assembly; 310. First mounting plate; 311. First plate body; 312. First connecting plate; 313. Slot; 320. First fixing seat; 321. First arc-shaped plate; 330. First agitator fin; 331. Second connecting plate; 400. Second agitator fin assembly; 410. Second fixing seat; 411. Second arc-shaped plate; 420. Second agitator fin; 421. Arc-shaped part; 430. Fin mounting seat. Detailed Implementation

[0026] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of this utility model is for describing specific implementation schemes and not for limiting the scope of protection of this utility model. Test methods in the following embodiments that do not specify specific conditions are generally performed under conventional conditions or according to the conditions recommended by the respective manufacturers.

[0027] When numerical ranges are given in the embodiments, it should be understood that, unless otherwise specified in this invention, both endpoints of each numerical range and any value between the two endpoints may be selected. Unless otherwise defined, all technical and scientific terms used in this invention, as well as the prior art known to those skilled in the art and the description of this invention, may be implemented using any prior art methods, equipment, and materials similar to or equivalent to those in the embodiments of this invention.

[0028] Please see Figures 1 to 8This utility model provides a large fermentation mixing tank, which includes: a tank body 100 and a stirring device 200. The top surface of the tank body 100 is provided with a feed inlet 120, and a cover plate is detachably installed at the feed inlet 120. The bottom surface of the tank body 100 is provided with a discharge outlet 130, and a discharge valve 131 is fixedly installed at the discharge outlet 130. The top of the side wall of the tank body 100 is provided with an exhaust port 140, and the bottom of the side wall of the tank body 100 is provided with an air inlet pipe 150. The stirring device 200 includes a stirring motor 210, which is fixedly installed on the top of the tank 100. A stirring rod 220 is rotatably installed inside the tank 100. The top end of the stirring rod 220 is rotatably connected to the top of the tank 100, and the bottom end of the stirring rod 220 extends along the extension direction of the tank 100 to the bottom of the tank 100. The output end of the stirring motor 210 is drivenly connected to the top end of the stirring rod 220. A first stirring fin assembly 300 is fixedly installed on the bottom end of the stirring rod 220. Several second stirring fin assemblies 400 are evenly distributed and fixedly installed on the stirring rod 220 along the extension direction of the stirring rod 220. The number of second stirring fin assemblies 400 is greater than or equal to three. The first stirring fin assembly 300 includes a first mounting plate 310, which is circular. A third stirring fin assembly 300 is provided in the middle of the first mounting plate 310. A fixed base 320 is fixedly connected to the bottom end of the stirring rod 220. A plurality of first stirring fins 330 are evenly distributed radially along the edge of the first mounting plate 310. The cross-section of the first stirring fins 330 is parabolic. The second stirring fin assembly 400 includes a second fixed base 410, which is fixedly connected to the outer wall of the stirring rod 220. A plurality of second stirring fins 420 are evenly distributed radially along the outer wall of the second fixed base 410. The plurality of second stirring fins 420 are fixedly installed on the second fixed base 410 in an inclined manner. The top of the plurality of second stirring fins 420 away from the second fixed base 410 is provided with an arc-shaped portion 421. The bending direction of the arc-shaped portion 421 is towards the bottom of the tank 100. The stirring direction of the first stirring fin assembly 300 and the plurality of second stirring fin assemblies 400 is the same.

[0029] The tank 100 of this invention is mounted on a support or platform. Raw materials for fermentation are fed into the tank 100 through the inlet 120, and then a cover is fixedly installed at the inlet 120. The exhaust port 140 on the tank 100 is connected to an exhaust pipe, and the air inlet pipe 150 is connected to an air supply device. During fermentation, the generated waste gas is discharged from the exhaust port 140, and the oxygen supplied by the air supply device enters the tank through the air inlet pipe 150. Of course, during anaerobic fermentation, the exhaust port 140 and the air inlet pipe 150 can be sealed. The stirring motor 210 drives the stirring rod 220 to rotate, which in turn drives the first stirring fin assembly 300 and several second stirring fin assemblies 400 to rotate. The first stirring fins 330 on the first stirring fin assembly 300 stir the material at the bottom of the tank 100, and the second stirring fins 420 on the second stirring fin assemblies 400 stir the material inside the tank 100. This results in high stirring efficiency and good stirring effect, ensuring that the material inside the tank 100 is mixed evenly and that the materials are in full contact, thereby improving fermentation efficiency and ensuring a good fermentation effect.

[0030] Please see Figures 1 to 3In one example of the large fermentation mixing tank of this utility model, a motor bracket 110 is fixedly installed on the top of the tank body 100, the mixing motor 210 is fixedly installed on the top of the motor bracket 110, and a reducer 230 is also fixedly installed on the top of the motor bracket 110. The output end of the mixing motor 210 is fixedly connected to the input end of the reducer 230, and the output end of the reducer 230 is fixedly connected to the top end of the mixing rod 220. The motor bracket 110 includes a first bracket 111, a second bracket 112, and a top plate 113. The top ends of the first bracket 111 and the second bracket 112 are fixedly connected to both ends of the bottom surface of the top plate 113, respectively. The bottom ends of the first bracket 111 and the second bracket 112 are fixedly connected to the middle and edge of the top surface of the tank 100, respectively. The stirring motor 210 and the reducer 230 are fixedly installed at both ends of the top surface of the top plate 113, respectively. The reducer 230 is located on the upper side of the first bracket 111. The top end of the stirring rod 220 passes through the first bracket 111. The top end of the stirring rod 220 is fixedly connected to the output end of the reducer 230 through a first coupling assembly 240. The output end of the stirring motor 210 is fixedly connected to the input end of the reducer 230 through a second coupling 250. A first mounting base 160 is provided at the center of the top surface of the tank 100, and a second mounting base 170 is provided at the edge of the top surface of the tank 100. The bottom ends of the first bracket 111 and the second bracket 112 are fixedly connected to the first mounting base 160 and the second mounting base 170, respectively. The motor bracket 110 can facilitate the installation of the stirring motor 210 and the reducer 230, and has high structural strength, which can improve the operational stability of the equipment.

[0031] Please see Figure 4 In one example of the large-scale fermentation mixing tank of this utility model, the stirring rod 220 includes a first rod body 221, a second rod body 222, and a third rod body 223. The top end of the first rod body 221 is connected to the output end of the reducer 230. The two ends of the second rod body 222 are fixedly connected to the bottom end of the first rod body 221 and the top end of the third rod body 223, respectively. The bottom end of the third rod body 223 is fixedly mounted with the first stirring fin assembly 300. A plurality of second stirring fin assemblies 400 are evenly distributed on the second rod body 222 and the third rod body 223. The connection between the first rod body 221, the second rod body 222, and the third rod body 223 is fixedly connected by a flange and a plurality of bolt assemblies. The stirring rod 220, composed of the first rod body 221, the second rod body 222, and the third rod body 223, facilitates installation and transportation, and ensures the rigidity and straightness of the stirring rod 220.

[0032] Please see Figures 4 to 6In one example of the large-scale fermentation mixing tank of this utility model, the first mounting plate 310 includes two semi-circular first plate bodies 311, and the first fixing base 320 includes two semi-circular first arc-shaped plates 321. The first plate bodies 311 and the first arc-shaped plates 321 are coaxially arranged. The two sides of the two first arc-shaped plates 321 are fixedly connected by first wing plates and several bolt assemblies, and the tops of the two first plate bodies 311 are fixedly connected by two first connecting plates 312. The first plate body 311 is provided with several slots 313, and the first stirring fins 330 are inserted into the slots 313. A second connecting plate 331 is fixedly installed at the end of the first stirring fins 330 away from the opening, and the second connecting plate 331 is fixedly connected to the first plate body 311 by several bolt assemblies. The number of first stirring fins 330 on each first plate body 311 is 3 to 5, and the number of slots 313 is equal to the number of first stirring fins 330.

[0033] Please see Figure 4 , Figure 7 and Figure 8 In one example of the large-scale fermentation mixing tank of this utility model, the second fixed base 410 includes two semi-circular second arc-shaped plates 411. The two sides of the two second arc-shaped plates 411 are fixedly connected by second wing plates and several bolt assemblies. Several fin mounting seats 430 are provided on the outer wall of the second arc-shaped plates 411, and one second stirring fin 420 is fixedly installed on each fin mounting seat 430. The number of second stirring fin assemblies 400 is 3 to 5, and the number of second stirring fins 420 on each second stirring fin assembly 400 is 4 to 6. The included angle between the second stirring fin 420 and the end face of the second fixed base 410 is 40 to 50°.

[0034] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A large scale fermentation stirred tank characterized by, include: The tank body has a feed inlet on the top surface, a cover plate that can be detachably installed at the feed inlet, a discharge outlet on the bottom surface, a discharge valve that is fixedly installed at the discharge outlet, an exhaust port on the top of the side wall of the tank body, and an air inlet pipe on the bottom of the side wall of the tank body. A stirring device includes a stirring motor, which is fixedly mounted on the top of a tank. A stirring rod is rotatably mounted inside the tank, with its top end rotatably connected to the top of the tank and its bottom end extending along the tank's extension direction to the bottom of the tank. The output end of the stirring motor is drivenly connected to the top end of the stirring rod. A first stirring fin assembly is fixedly mounted on the bottom end of the stirring rod. Several second stirring fin assemblies are evenly distributed and fixedly mounted on the stirring rod along its extension direction, with the number of second stirring fin assemblies being greater than or equal to three. Each first stirring fin assembly includes a first mounting plate, which is circular, and a first [missing information - likely a feature or designation] is provided in the center of the first mounting plate. The first fixed base is fixedly connected to the bottom end of the stirring rod. A plurality of first stirring fins are evenly distributed radially along the edge of the first mounting plate. The cross-section of the first stirring fins is parabolic. The second stirring fin assembly includes a second fixed base, which is fixedly connected to the outer wall of the stirring rod. A plurality of second stirring fins are evenly distributed radially along the outer wall of the second fixed base. The plurality of second stirring fins are fixedly installed on the second fixed base in an inclined manner. The top of the plurality of second stirring fins at the end away from the second fixed base is provided with an arc-shaped part. The curvature direction of the arc-shaped part is towards the bottom of the tank. The stirring direction of the first stirring fin assembly and the plurality of second stirring fin assemblies is the same.

2. The large-scale fermentation mixing tank as described in claim 1, characterized in that, A motor bracket is fixedly installed on the top of the tank. The stirring motor is fixedly installed on the top of the motor bracket. A speed reducer is also fixedly installed on the top of the motor bracket. The output end of the stirring motor is fixedly connected to the input end of the speed reducer. The output end of the speed reducer is fixedly connected to the top of the stirring rod.

3. The large-scale fermentation mixing tank as described in claim 2, characterized in that, The motor support includes a first support, a second support, and a top plate. The top ends of the first support and the second support are fixedly connected to both ends of the bottom surface of the top plate, respectively. The bottom ends of the first support and the second support are fixedly connected to the middle and edge of the top surface of the tank, respectively. The stirring motor and the reducer are fixedly installed at both ends of the top surface of the top plate. The reducer is located on the upper side of the first support. The top end of the stirring rod passes through the first support. The top end of the stirring rod is fixedly connected to the output end of the reducer through a first coupling assembly. The output end of the stirring motor is fixedly connected to the input end of the reducer through a second coupling.

4. The large-scale fermentation stirred tank as described in claim 3, characterized in that, A first mounting base is provided at the center of the top surface of the tank, and a second mounting base is provided at the edge of the top surface of the tank. The bottom ends of the first bracket and the second bracket are fixedly connected to the first mounting base and the second mounting base, respectively.

5. The large-scale fermentation mixing tank as described in claim 2, characterized in that, The stirring rod includes a first rod body, a second rod body, and a third rod body. The top end of the first rod body is connected to the output end of the reducer. The two ends of the second rod body are fixedly connected to the bottom end of the first rod body and the top end of the third rod body, respectively. The bottom end of the third rod body is fixedly installed with the first stirring fin assembly. A plurality of the second stirring fin assemblies are evenly distributed on the second rod body and the third rod body.

6. The large-scale fermentation stirred tank as described in claim 1, characterized in that, The first mounting plate includes two semi-circular first plate bodies, and the first fixing base includes two semi-circular first arc plates. The first plate bodies and the first arc plates are coaxially arranged. The two sides of the two first arc plates are fixedly connected by first wing plates and several bolt assemblies. The tops of the two first plate bodies are fixedly connected by two first connecting plates.

7. The large-scale fermentation stirred tank as described in claim 6, characterized in that, The first plate has several slots, and the first stirring fin is inserted into the slot. A second connecting plate is fixedly installed on the end of the first stirring fin away from the opening. The second connecting plate is fixedly connected to the first plate by several bolt assemblies.

8. The large-scale fermentation stirred tank as described in claim 7, characterized in that, The number of the first stirring fins on each of the first plates is 3 to 5, and the number of slots is equal to the number of the first stirring fins.

9. The large-scale fermentation mixing tank as described in claim 1, characterized in that, The second fixed base includes two semi-circular second arc plates. The two sides of the two second arc plates are fixedly connected by second wing plates and several bolt assemblies. Several fin mounting seats are provided on the outer wall of the second arc plates, and one second stirring fin is fixedly installed on each fin mounting seat.

10. The large-scale fermentation stirred tank as described in claim 9, characterized in that, The number of the second stirring fin assembly is 3 to 5, the number of the second stirring fins on each second stirring fin assembly is 4 to 6, and the included angle between the second stirring fins and the end face of the second fixed seat is 40 to 50°.

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