CN210656875U - Paddle assembly of fermentation tank - Google Patents
Paddle assembly of fermentation tank Download PDFInfo
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- CN210656875U CN210656875U CN201920813003.5U CN201920813003U CN210656875U CN 210656875 U CN210656875 U CN 210656875U CN 201920813003 U CN201920813003 U CN 201920813003U CN 210656875 U CN210656875 U CN 210656875U
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Abstract
The utility model discloses a paddle subassembly of fermentation cylinder, include: a shaft having an axis of rotation; the first group of blades, the second group of blades and the third group of blades are arranged from top to bottom in sequence; the first, second, and third sets of paddles are each rotatable about a rotation axis by the shaft; the first set of blades has a cross-section with a first angle, the second set of blades has a cross-section with a second angle, and the third set of blades has a cross-section with a third angle, wherein first angle > second angle > third angle. The utility model discloses an above setting can make paddle subassembly design according to the difference of the regional function of difference and the size of atress, consequently can gain better stirring effect, has improved the efficiency of fermentation.
Description
Technical Field
The utility model relates to a fermentation cylinder technical field specifically, relates to a paddle subassembly of fermentation cylinder.
Background
When materials in the fermentation tank are fermented, the materials need to be mixed and stirred. The blades of the blade assembly of the existing fermentation tank from top to bottom are all designed identically, and the applicant finds that the functions and stress conditions of the blades are different at different parts of the fermentation tank, and the blades in the prior art are designed identically in the combination design, so that the fermentation efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an improved blade component of a fermentation tank.
The utility model provides a pair of paddle subassembly of fermentation cylinder, include:
a shaft having an axis of rotation;
the first group of blades, the second group of blades and the third group of blades are arranged from top to bottom in sequence; the first, second, and third sets of paddles are each rotatable about a rotation axis by the shaft;
the first set of blades has a cross-section with a first angle, the second set of blades has a cross-section with a second angle, and the third set of blades has a cross-section with a third angle, wherein first angle > second angle > third angle.
The fermentation tank is internally provided with a material distribution area, a stirring area and a material discharge area from top to bottom in sequence, and the first group of blades, the second group of blades and the third group of blades are respectively positioned in the material distribution area, the stirring area and the material discharge area. The first group of blades in the material distribution area are used for uniformly paving the materials, so that the fermentation process is uniform and controllable, and the materials start to ferment. The second group of blades in the stirring area are used for enabling the materials to be better contacted with oxygen so as to form an aerobic environment, and the materials enter rapid fermentation; the paddle in stirring district bears the material pressure and is greater than the cloth district, and the angle of the second group paddle in stirring district is less than the angle of the first group paddle in cloth district. The third group of blades in the discharging area are used for sending the materials out of the fermentation tank, the materials in the area are fermented, violent stirring is not needed, the angle size difference is not large, the area bears the maximum material pressure, the angle is as small as possible so as to reduce the running resistance, and therefore the third group of blades is relatively minimum. The utility model discloses an above setting can make paddle subassembly design according to the difference of the regional function of difference and the size of atress, consequently can gain better stirring effect, has improved the efficiency of fermentation.
Preferably, the direction of movement of the blade is parallel to the horizontal plane;
the first group of blades comprises a first push plate, and the angle between the first push plate and the horizontal plane is a first angle;
the second group of blades comprises a second push plate, and the angle between the second push plate and the horizontal plane is a second angle;
the third group of blades comprises a third push plate, and the angle between the third push plate and the horizontal plane is a third angle.
Preferably, the first group of blades, the second group of blades and the third group of blades further comprise bottom plates respectively, and the bottom plates are planes which are horizontally arranged.
Preferably, the first group of blades are positioned in the height range of 30% -50% of the fermentation tank from top to bottom, and the third group of blades are positioned in the height range of 15% -25% of the fermentation tank from bottom to top.
The utility model discloses, fermentation cylinder top-down's 30% ~50% height scope is the cloth district, and fermentation cylinder 15% ~25% height scope from bottom to top is ejection of compact district, and the stirring district is located between cloth district and the ejection of compact district.
Preferably, the fermentation tank is an explosion gas area within the height range of 30-50% from bottom to top, and the blades within the height range are provided with explosion gas holes.
Preferably, the third group of blades and at least part of the second group of blades are provided with explosion vents.
Preferably, the cross section of the paddle provided with the explosion holes is quadrilateral, the paddle further comprises a first back plate and a second back plate, the second back plate is located between the bottom plate and the first back plate, and the explosion holes are formed in the second back plate.
Preferably, the first set of blades comprises a first layer of blades and a second layer of blades, the first layer of blades being positioned higher on the shaft than the second layer of blades; the second set of paddles includes a third layer of paddles and a fourth layer of paddles, the third layer of paddles being positioned higher on the shaft than the fourth layer of paddles.
Preferably, the first angle is a1, the second angle is a2, and the third angle is a3, wherein 50 ° < = a1< =70 °, 26 ° < = a2< =35 °, 15 ° <= a3< =25 °.
Preferably, one side of the third group of blades close to the bottom of the fermentation tank is convexly provided with a plurality of rake teeth.
Compared with the prior art, the utility model discloses following beneficial effect has:
the fermentation tank is internally provided with a material distribution area, a stirring area and a material discharge area from top to bottom in sequence, and the first group of blades, the second group of blades and the third group of blades are respectively positioned in the material distribution area, the stirring area and the material discharge area. The first group of blades in the material distribution area are used for uniformly paving the materials, so that the fermentation process is uniform and controllable, and the materials start to ferment. The second group of blades in the stirring area are used for enabling the materials to be better contacted with oxygen so as to form an aerobic environment, and the materials enter rapid fermentation; the paddle in stirring district bears the material pressure and is greater than the cloth district, and the angle of the second group paddle in stirring district is less than the angle of the first group paddle in cloth district. The third group of blades in the discharging area are used for sending the materials out of the fermentation tank, the materials in the area are fermented, violent stirring is not needed, the angle size difference is not large, the area bears the maximum material pressure, the angle is as small as possible so as to reduce the running resistance, and therefore the third group of blades is relatively minimum. The utility model discloses an above setting can make paddle subassembly design according to the difference is made to the size of the regional function of difference and atress, consequently can gain better stirring effect, has improved stirring efficiency.
Drawings
FIG. 1 is a perspective view of a blade assembly of a fermenter according to an embodiment of the present invention; FIG. 2 is a schematic view of a blade assembly and a fermentation tank according to an embodiment of the present invention;
FIG. 3 is a side view of a first set of blades of a fermenter blade assembly according to an embodiment of the present invention;
FIG. 4 is a side view of a second set of blades of a fermenter blade assembly according to an embodiment of the present invention;
fig. 5 is a side view of a third group of blades of a fermenter blade assembly according to an embodiment of the present invention.
Reference numerals:
11-a first group of blades, 12-a second group of blades, 13-a third group of blades, 111-a first layer of blades, 112-a second layer of blades, 121-a third layer of blades, 122-a fourth layer of blades, 101-a push plate, 102-a first back plate, 103-a bottom plate, 104-a second back plate, 105-an end plate, 20-a shaft, 30-a rake tooth, 40-an explosion hole, 50-a fermentation tank, A1-a distribution area, A2-a stirring area, A3-a discharging area, B1-a non-explosion area and B1-a non-explosion area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further explained with reference to the following figures and examples:
the first embodiment is as follows:
as shown in fig. 1 to 5, an embodiment of the present invention is provided.
The present embodiment provides a blade assembly for a fermenter 50, which includes a shaft 20, a first set of blades 11, a second set of blades 12, and a third set of blades 13. Wherein the shaft 20 has an axis of rotation 20. The first group of blades 11, the second group of blades 12 and the third group of blades 13 are arranged in sequence from top to bottom. The first set of blades 11, the second set of blades 12, and the third set of blades 13 are all rotatable about the axis of rotation 20 via the shaft 20 to stir the material in the fermentor 50.
The first set of blades 11 has a cross section with a first angle, the second set of blades 12 has a cross section with a second angle and the third set of blades 13 has a cross section with a third angle.
The fermentation tank 50 is internally provided with a material distribution area A1, a stirring area A2 and a material discharge area A3 from top to bottom in sequence, wherein the first group of blades 11, the second group of blades 12 and the third group of blades 13 are respectively positioned in the material distribution area A1, the stirring area A2 and the material discharge area A3. The first group of blades in the material distribution area are used for uniformly paving the materials, so that the fermentation process is uniform and controllable, and the materials start to ferment. The second group of blades in the stirring area are used for enabling the materials to be better contacted with oxygen so as to form an aerobic environment, and the materials enter rapid fermentation; the paddle in stirring district bears the material pressure and is greater than the cloth district, and the angle of the second group paddle in stirring district is less than the angle of the first group paddle in cloth district. The third group of blades in the discharging area is used for sending the materials out of the fermentation tank 50, the materials in the area are fermented, violent stirring is not needed, the angle size difference is not large, the pressure of the materials borne by the area is the largest, the angle is as small as possible so as to reduce the running resistance, and therefore the third group of blades is relatively the smallest. Thus, the first angle > the second angle > the third angle.
The utility model discloses an above setting can make paddle subassembly design according to the difference of the regional function of difference and the size of atress, consequently can gain better stirring effect, has improved the efficiency of fermentation.
In this embodiment, the blade assembly rotates around the rotation axis 20, the moving direction of the blade assembly is generally rotational, but the movement of the blade at a certain time point is a linear speed, and the moving direction of the blade is parallel to a horizontal plane.
The first group of blades 11 comprises a first push plate 101, the second group of blades 12 comprises a second push plate 101, the third group of blades 13 comprises a third push plate 101, the push plate 101 is used as a main stirring functional component of the stirring paddle, and the stirring paddle pushes materials in the fermentation tank 50 through the push plate 101 to push the flowing and mixing of the materials.
When the paddle moves, the first push plate 101, the second push plate 101 and the third push plate 101 are respectively positioned in front of the corresponding paddle along the moving direction of the paddle. The blade's push plate 101 experiences resistance from the front face when in motion.
The first angle of the first set of blades 11 in cross-section is the angle between the first push plate 101 and the horizontal plane. In the figure, the first angle is a 1.
The second angle of the second set of blades 12 is the angle between the second push plate 101 and the horizontal plane. The second angle is a 2.
The third angle of the third set of blades 13 is the angle between the third push plate 101 and the horizontal plane. In the figure, the third angle is a 3.
First angle a1> second angle a2> third angle a 3.
The first group of blades 11, the second group of blades 12, and the third group of blades 13 further include bottom plates 103 respectively located at bottoms of the corresponding blades, and in this embodiment, the bottom plates 103 are horizontally arranged planes. The first angle a1 is the angle between the first push plate 101 and the corresponding bottom plate 103, the second angle a2 is the angle between the second push plate 101 and the corresponding bottom plate 103, and the third angle a3 is the angle between the third push plate 101 and the corresponding bottom plate 103.
Preferably, the first angle a1, the second angle a2 and the third angle a3 are all acute angles, and the acute angles are favorable for reducing the front resistance of the stirring during operation, and simultaneously, the push plate 101 completes stirring during stirring.
The first angle a1, the second angle a2 and the third angle a3 are specifically set as follows: 50 ° < = a1< =70 °, 26 ° < = a2< =35 °, 15 ° < = a3< =25 °. More preferably, a1=60 °, a2< =30 °, a3< =20 °.
The utility model discloses, fermentation cylinder 50 top-down's 30% ~50% height scope is the cloth district, and fermentation cylinder 50 is ejection of compact district from bottom to top 15% ~25% height scope. Correspondingly, the first group of blades 11 is positioned in the range of 30% -50% of the height of the fermentation tank 50 from top to bottom. Correspondingly, the third group of paddles 13 is positioned in the 15% -25% height range of the fermentation tank 50 from bottom to top. The stirring area is positioned between the material distribution area and the material discharge area.
As a more preferable scheme, from top to bottom, the fermentation tank is a material distribution zone within 5040% of the height, a stirring zone within the middle 40% of the height, and a material discharge zone within the bottom 20% of the height.
As a further improvement, the blade assembly of the present embodiment further has an air explosion function, and the air explosion function is disposed on the blade near the lower portion of the fermentation tank 50. In the embodiment, the fermentation tank 50 is an aeration zone B2 within the height range of 30-50% from bottom to top, and the blades within the height range are provided with aeration holes 40. Preferably, the fermentation tank 50 is an aeration zone B2 within 40% of the height from bottom to top.
In this embodiment, an airflow channel is provided in the third group of blades 13, and the third group of blades 13 are provided with an explosion vent 40.
The utility model discloses set up the function of exploding gas on the paddle that is close to fermentation cylinder 50 bottom region, because the air current finally upwards walks, the gas that exposes to the sun in jar body lower part finally can be covered with whole jar, makes gaseous even mix to treating in the fermented material.
The height of the aeration zone B2 is higher than that of the discharge zone, so that at least part of the blades in the second group of blades 12 are also provided with aeration function.
The first set of blades 11 comprises a first layer of blades 111 and a second layer of blades 112, the first layer of blades 111 being positioned higher on the shaft than the second layer of blades 112.
In a particular embodiment, the second set of blades 12 comprises a third layer of blades 121 and a fourth layer of blades 122, the third layer of blades 121 being positioned higher on the shaft than the fourth layer of blades 122. An air flow channel is also arranged in the fourth layer of blades 122, and the fourth layer of blades 122 are provided with explosion holes 40.
In a specific embodiment, the third layer of blades 121 and the fourth layer of blades 122 are both provided with air flow channels therein, and the third layer of blades 121 and the fourth layer of blades 122 are both provided with the explosion vents 40.
Preferably, in order to avoid the explosion holes 40 from being blocked, the third group of blades 13 provided with the explosion holes 40 and the fourth layer of blades in the second group of blades 12 have quadrangular cross-sectional shapes. The third group of blades 13 further comprises a first back plate 102 and a second back plate 104, wherein the second back plate 104 is positioned between the bottom plate 103 and the first back plate 102, and the explosion vent 40 is arranged on the second back plate 104. The third push plate 101, the first back plate 102, the second back plate 104 and the bottom plate 103 are connected in sequence.
The first rear plate 102 is located behind the third push plate 101 and the second rear plate 104 is also located behind the third push plate 101, in the direction of movement relative to the paddle.
The push plate 10111, the first rear plate 10212, the second rear plate 10414 and the bottom plate 10313 are connected in sequence as viewed in a cross section of the third set of blades 13.
The resistance that the stirring paddle received in the stirring process is usually great, and the setting of back plate one 102, back plate two 104, bottom plate 103 can strengthen the bulk strength of stirring paddle, avoids stirring paddle premature failure.
When the paddle moves forward, the third push plate 101 finishes material turning, the turned-down material slides down along the surface of the first back plate 102, a gap is formed below the second back plate 104, and the air explosion hole 40 for air explosion is positioned in the gap, so that the air explosion hole 40 designed by the scheme cannot be blocked.
Preferably, the third set of blades 13 is designed such that:
along the moving direction of the blades, the projection range of the third push plate 101 completely covers the projection range of the corresponding first back plate 102, so that when the third group of blades 13 moves, the third push plate 10111 is subjected to the front resistance, and the first back plate 102 is not subjected to the front resistance;
along the vertical direction, the projection range of the third push plate 101 is not overlapped with the projection range of the first rear plate 102, and after the third push plate 101 finishes turning, the turned-down materials slide down along the surface of the first rear plate 102;
along the vertical direction, the projection range of the first back plate 102 completely covers the projection range of the second back plate 104; or the projection range of both the push plate 101 and the first rear plate 102 completely covers the projection range of the second rear plate 104; this prevents material that has slipped off the first rear plate 102 from falling on the second rear plate 104; during the stirring, a gap is formed below the second back plate 104, so that the explosion hole 40 formed in the second back plate 104 is not blocked during the explosion. Even if the paddle is completely buried by the materials when the paddle is static, when the paddle moves forwards and is aerated and opened, the part near the aeration air explosion hole 40 can still be pushed out of the gap, and the aeration is not influenced.
The second group of blades 12 provided with the explosion vents 40 further comprises a first back plate 102 and a second back plate 104, wherein the second back plate 104 is positioned between the bottom plate 103 and the first back plate 102, and the explosion vents 40 are arranged on the second back plate 104. The second push plate 101, the first back plate 102, the second back plate 104 and the bottom plate 103 are connected in sequence when viewed from the cross section of the blade. When the blade moves forward, the second push plate 101 of the blade finishes material turning, the turned-down material slides down along the surface of the first back plate 102, a gap is formed below the second back plate 104, and the air explosion hole 40 for air explosion is positioned in the gap, so that the air explosion hole 40 designed by the scheme cannot be blocked.
Wherein, the air inlet of stirring paddle sets up the hookup location of paddle and axle 20, and the air current such as oxygen can get into the paddle in from axle 20. The shaft 20 in this embodiment has a hollow structure to allow airflow therethrough.
In the present embodiment, an end plate 105 is further provided at the end of the first group of blades 11, the second group of blades 12, and the third group of blades 13, and the end plate 105 may close the end of the blades. After entering the blades from the shaft 20, the gas stream such as oxygen is discharged from the aeration holes 40 of the second rear plate 104 into the fermentation tank 50.
The corresponding blade without the popping function, such as the first group of blades 11, located in the non-popping region B1 may not have a quadrangular cross section because it does not need to have the popping function, and the first group of blades 11 may have a triangular cross section in order to simplify the welding process of the blades. The blade of the triangular structure, except for the push plate 101, only comprises a first back plate 102 and a bottom plate 103.
Existing fermenters 50 are often found with a mat formed on the tank interior floor 103, which mat is formed by the accumulation of material within the vessel of the fermentor 50. If the cushion layer is too high, the normal stirring of the stirring paddle is affected, and even the stirring paddle can be overloaded to cause mechanical failure.
The utility model discloses, be provided with a plurality of rake teeth 30 convexly in one side that third group paddle 13 is close to the fermentation cylinder 50 bottom. By providing the rake teeth 30 on the side of the third set of blades 13 near the bottom of the fermentor 50, the cushion on the bottom plate 103 inside the tank can be removed by the rake teeth 30. Thereby avoiding the bedding course to influence the normal stirring of stirring thick liquids, avoiding the bedding course to make stirring thick liquids load too big and cause mechanical failure.
Compared with the prior art, the utility model discloses following beneficial effect has:
the fermentation tank is internally provided with a material distribution area, a stirring area and a material discharge area from top to bottom in sequence, and the first group of blades, the second group of blades and the third group of blades are respectively positioned in the material distribution area, the stirring area and the material discharge area. The first group of blades in the material distribution area are used for uniformly paving the materials, so that the fermentation process is uniform and controllable, and the materials start to ferment. The second group of blades in the stirring area are used for enabling the materials to be better contacted with oxygen so as to form an aerobic environment, and the materials enter rapid fermentation; the paddle in stirring district bears the material pressure and is greater than the cloth district, and the angle of the second group paddle in stirring district is less than the angle of the first group paddle in cloth district. The third group of blades in the discharging area are used for sending the materials out of the fermentation tank, the materials in the area are fermented, violent stirring is not needed, the angle size difference is not large, the area bears the maximum material pressure, the angle is as small as possible so as to reduce the running resistance, and therefore the third group of blades is relatively minimum. The utility model discloses an above setting can make paddle subassembly design according to the difference is made to the size of the regional function of difference and atress, consequently can gain better stirring effect, has improved stirring efficiency.
It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention and not for limiting the same, and although the embodiments of the present invention are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced with equivalents, and these modifications or equivalent replacements cannot make the modified technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A blade assembly for a fermenter, comprising:
a shaft having an axis of rotation;
the first group of blades, the second group of blades and the third group of blades are arranged from top to bottom in sequence; the first, second, and third sets of paddles are each rotatable about a rotation axis by the shaft;
the first set of blades has a cross-section with a first angle, the second set of blades has a cross-section with a second angle, and the third set of blades has a cross-section with a third angle, wherein first angle > second angle > third angle.
2. A paddle assembly according to claim 1, wherein the direction of movement of the paddle is parallel to a horizontal plane;
the first group of blades comprises a first push plate, and the angle between the first push plate and the horizontal plane is a first angle;
the second group of blades comprises a second push plate, and the angle between the second push plate and the horizontal plane is a second angle;
the third group of blades comprises a third push plate, and the angle between the third push plate and the horizontal plane is a third angle.
3. The assembly of claim 2 wherein each of the first, second, and third sets of blades further comprises a bottom plate, the bottom plates being horizontally disposed planes.
4. The blade assembly of claim 1 wherein the first set of blades is positioned in a range of 30% to 50% of the height of the fermentor from top to bottom and the third set of blades is positioned in a range of 15% to 25% of the height of the fermentor from bottom to top.
5. The blade assembly of claim 1, wherein the fermentation tank is an aeration zone within the height range of 30-50% from bottom to top, and the blades within the height range are provided with aeration holes.
6. A blade assembly according to claim 5, wherein the third set of blades and at least part of the second set of blades are provided with pop-up holes.
7. The blade assembly according to claim 6, wherein the blade provided with the explosion vent is quadrilateral in cross-sectional shape, the blade further comprises a first back plate and a second back plate, the first back plate is located between the bottom plate and the first back plate, and the explosion vent is arranged on the second back plate.
8. The blade assembly of claim 1 wherein the first set of blades includes a first layer of blades and a second layer of blades, the first layer of blades being positioned higher on the shaft than the second layer of blades; the second set of paddles includes a third layer of paddles and a fourth layer of paddles, the third layer of paddles being positioned higher on the shaft than the fourth layer of paddles.
9. The blade assembly of claim 1 wherein the first angle is a1, the second angle is a2, and the third angle is a3, wherein 50 ° < = a1< =70 °, 26 ° < = a2< =35 °, 15 ° < = a3< =25 °.
10. The blade assembly of claim 1 wherein the third set of blades are convexly provided with a plurality of tines on a side thereof adjacent the bottom of the fermenter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920813003.5U CN210656875U (en) | 2019-05-31 | 2019-05-31 | Paddle assembly of fermentation tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920813003.5U CN210656875U (en) | 2019-05-31 | 2019-05-31 | Paddle assembly of fermentation tank |
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| CN210656875U true CN210656875U (en) | 2020-06-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022016846A1 (en) * | 2020-07-23 | 2022-01-27 | 上海艾众生物科技有限公司 | Stirring system for bioreactor |
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2019
- 2019-05-31 CN CN201920813003.5U patent/CN210656875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022016846A1 (en) * | 2020-07-23 | 2022-01-27 | 上海艾众生物科技有限公司 | Stirring system for bioreactor |
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