A device for recovering fermentation broth from a beer yeast

Abstract

The utility model discloses a kind of beer yeast in recovery fermentation broth device, it is related to beer fermentation broth recovery equipment technical field, including mounting bracket, downwardly inclined waste yeast feeding extrusion unit is provided on the mounting bracket, beer fermentation broth filtering unit is provided in the direction of waste yeast feeding extrusion unit inclined downward extension, rotating cylinder is rotatably arranged between waste yeast feeding extrusion unit and beer fermentation broth filtering unit by sealing bearing, the inner diameter of rotating cylinder, waste yeast feeding extrusion unit and beer fermentation broth filtering unit is equal, discharge port is opened in the side of rotating cylinder, and the discharge port is provided with the waste yeast discharge channel of cooperation, driving assembly is provided on waste yeast feeding extrusion unit, driving assembly is provided with driving gear on output shaft. The utility model can extrude and separate beer fermentation broth in waste yeast mud maximum limit, to efficiently recover this part of originally discarded beer fermentation broth, significantly improve the overall production rate and economic benefit of beer.

Description

Technical Field

[0001] This utility model relates to the technical field of beer fermentation liquid recovery equipment, specifically a device for recovering fermentation liquid from beer yeast. Background Technology

[0002] Beer, as a long-standing and widely popular global beverage, has always had its production process optimized and resource utilization efficiency improved as a key focus of the brewing industry. After the main fermentation process in beer brewing, a large amount of mixture consisting of yeast and residual beer fermentation liquid accumulates at the bottom of the fermentation tank—this is waste yeast sludge. How to efficiently and environmentally treat this waste yeast sludge and fully explore its potential value is a crucial step in achieving clean production and sustainable development in breweries.

[0003] Currently, the mainstream treatment method in the industry for waste yeast sludge discharged after primary fermentation is to directly discharge the waste yeast sludge into ditches or collection tanks for temporary storage, and then treat it through heat treatment, and finally sell it as a by-product such as animal feed.

[0004] However, the existing technology still has shortcomings in use: First, the actual yeast solids content in the discharged yeast sludge is only 40%-60%, and the rest of the components are beer fermentation liquid, which leads to a large waste of beer fermentation liquid and directly reduces the beer production rate and economic benefits; Second, due to the large content of beer fermentation liquid in the collected yeast sludge, the energy consumption of subsequent heat treatment remains high and the treatment efficiency is low, which restricts the further improvement of the value of by-products. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the existing defects and provide a device for recovering fermentation liquid from beer yeast. This device can squeeze and separate the beer fermentation liquid from the waste yeast sludge to the maximum extent, thereby efficiently recovering this part of the originally discarded beer fermentation liquid, significantly improving the overall beer production rate and economic benefits, and effectively solving the problems in the background technology.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a device for recovering fermentation liquid from beer yeast, comprising a mounting bracket, on which a downwardly inclined waste yeast feeding and pressing unit is mounted, and a beer fermentation liquid filtration unit is mounted in the downwardly extending direction of the waste yeast feeding and pressing unit. A rotating cylinder is rotatably mounted between the waste yeast feeding and pressing unit and the beer fermentation liquid filtration unit via a sealed bearing. The inner diameters of the rotating cylinder, the waste yeast feeding and pressing unit, and the beer fermentation liquid filtration unit are all equal. A discharge port is provided on the side of the rotating cylinder, and a corresponding waste yeast discharge channel is provided at the discharge port. A drive assembly is mounted on the waste yeast feeding and pressing unit, and a drive gear is mounted on the output shaft of the drive assembly. An arc-shaped rack that meshes with the drive gear is mounted on the outside of the rotating cylinder. A PLC controller is mounted on the waste yeast feeding and pressing unit, and the output terminal of the PLC controller is electrically connected to the input terminal of the drive assembly. Waste yeast sludge enters through the waste yeast feeding and extrusion unit. The residual beer fermentation liquid in the waste yeast sludge is partially recovered through the beer fermentation liquid filtration unit. Under pressure, the residual beer fermentation liquid in the waste yeast sludge can be squeezed out to the maximum extent. The solid waste yeast is completely pushed into the rotating drum under the extrusion. When it is necessary to discharge the solid waste yeast, the PLC controller starts the drive component, which drives the drive gear to rotate forward. Through meshing with the arc-shaped rack, the rotating drum is driven to rotate around its axis. When the waste yeast discharge channel on the side of the rotating drum faces downward, the compressed solid waste yeast can be discharged into the ditch below for collection under its own gravity. After completion, the PLC controller starts the drive component, which drives the drive gear to rotate in the opposite direction, and the rotating drum rotates back to its original position.

[0007] Furthermore, the waste yeast feeding and extrusion unit is a waste yeast extrusion cylinder mounted on a mounting bracket. The lower end of the waste yeast extrusion cylinder is open, and its inner diameter is equal to that of the rotating cylinder. An electric telescopic rod is provided on the outside of the waste yeast extrusion cylinder, extending obliquely upwards. The electric telescopic rod is mounted on the waste yeast extrusion cylinder via a mounting plate. The telescopic end of the electric telescopic rod extends into the inside of the waste yeast extrusion cylinder, and a waste yeast extrusion piston is provided at the end of the telescopic end of the electric telescopic rod. The diameter of the waste yeast extrusion piston is equal to that of the inner diameter of the waste yeast extrusion cylinder. A feed inlet is provided at the lower part of the waste yeast extrusion cylinder, and a matching feed cylinder is provided at the feed inlet. The input end of the electric telescopic rod is electrically connected to the output end of the PLC controller. A fixed amount of waste yeast sludge is conveyed to the waste yeast extrusion cylinder by an external conveying device through the feed cylinder. Subsequently, after receiving a signal that the external conveying device has completed conveying, the PLC controller controls the electric telescopic rod to extend, driving the waste yeast extrusion piston to move downwards, applying mechanical pressure to the waste yeast sludge.

[0008] Furthermore, the beer fermentation liquid filtration unit is a filter cylinder positioned in a downwardly extending direction of the rotating cylinder. The lower end of the rotating cylinder is rotatably connected to the upper end of the filter cylinder via a sealed bearing. A drain valve is provided at the liquid outlet at the lower end of the filter cylinder. A plate-type ceramic membrane filter plate is installed inside the filter cylinder, with the side of the plate-type ceramic membrane filter plate closest to the rotating cylinder flush with the upper end of the filter cylinder. The drain valve is connected to an external fermentation tank. Most of the beer fermentation liquid in the waste yeast sludge is filtered through the plate-type ceramic membrane filter plate and enters the filter cylinder. A small portion of the beer fermentation liquid, under the pressure of the piston, passes through the plate-type ceramic membrane filter plate and enters the filter cylinder, thereby maximizing the collection of beer fermentation liquid from the waste yeast sludge. The clarified beer fermentation liquid is discharged through the drain valve to the external fermentation tank for continued fermentation.

[0009] Furthermore, the length of the discharge port on the side of the rotating cylinder is equal to the inner diameter of the rotating cylinder, and the width of the discharge port on the side of the rotating cylinder is equal to the distance between the waste yeast feeding and extrusion unit and the beer fermentation liquid filtration unit. The maximum size of the discharge port ensures that the extruded solid waste yeast can be smoothly discharged from the waste yeast discharge channel.

[0010] Furthermore, the filter cartridge is equipped with a support plate, and the support plate is equipped with a discharge channel baffle that cooperates with the waste yeast discharge channel. The discharge channel baffle can, to a certain extent, prevent impurities from the external environment from entering the waste yeast discharge channel.

[0011] Furthermore, the discharge channel baffle is arc-shaped, and the end of the waste yeast discharge channel is arc-shaped to match the discharge channel baffle. The discharge channel baffle and the end of the waste yeast discharge channel are in frictional contact. The arc shape of the discharge channel baffle, the arc shape of the end of the waste yeast discharge channel, and the rotating cylinder all share the same center. This greatly enhances the sealing performance.

[0012] Furthermore, the driving component is a motor, with a drive gear mounted on the motor's output shaft. The motor is fixedly connected to the waste yeast extrusion cylinder via a fixing plate, and its input terminal is electrically connected to the output terminal of the PLC controller. The motor may be a servo motor or a stepper motor with a brake locking function.

[0013] Furthermore, the interiors of the waste yeast extrusion cylinder, feed cylinder, rotating cylinder, and waste yeast discharge channel all have smooth surfaces. These smooth surfaces significantly reduce the adhesion of waste yeast sludge inside.

[0014] Based on the above technical solution, the beneficial effects achieved by the device for recovering fermentation liquid from beer yeast through practical application are as follows: 1. This utility model applies mechanical pressure to the waste yeast squeezing cylinder and rotating cylinder by a waste yeast squeezing piston, and combines it with the precision filtration of the plate ceramic membrane filter plate. This allows the beer fermentation liquid in the waste yeast sludge to be squeezed and separated to the maximum extent, thereby efficiently recovering this part of the originally discarded beer fermentation liquid and sending it back to the fermentation tank for reuse through the drain valve, which significantly improves the overall beer production rate and economic benefits.

[0015] 2. Through the compression of the waste yeast by the waste yeast extrusion piston and the interception by the plate ceramic membrane filter, the discharged solid waste yeast has extremely low water content and high dry matter content, which greatly reduces the energy consumption and time required for subsequent heat treatment, significantly improves the treatment efficiency, thereby reducing costs and further enhancing the value of it as a by-product such as feed.

[0016] 3. This utility model uses a rotary discharge mechanism composed of a rotating drum, a motor, a drive gear, and an arc-shaped rack. After the extrusion filtration is completed, the motor can be precisely rotated by a PLC controller to drive the rotating drum to rotate, so that the waste yeast discharge channel on the rotating drum faces downward. This allows the compressed yeast to be automatically discharged under gravity, eliminating the need for manual cleaning, saving costs and improving efficiency. Attached Figure Description

[0017] Figure 1 This is a front-view three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a right-view stereoscopic structural diagram of the present invention.

[0019] Figure 3 This is a top-view three-dimensional structural diagram of the present invention after removing the obstructing and sealing components.

[0020] Figure 4 This is a schematic diagram of the internal structure of the present invention after it has been cut open.

[0021] In the diagram: 1-Mounting bracket, 2-Electric telescopic rod, 3-Mounting plate, 4-Waste yeast extrusion cylinder, 5-Feed cylinder, 6-Fixing plate, 7-Motor, 8-Drive gear, 9-Arc rack, 10-Rotating cylinder, 11-Sealed bearing, 12-Waste yeast discharge channel, 13-Support plate, 14-Discharge channel baffle plate, 15-Filter cylinder, 16-Drain valve, 17-Waste yeast extrusion piston, 18-Plate ceramic membrane filter plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This embodiment provides a technical solution: a device for recovering fermentation liquid from beer yeast, including a mounting bracket 1. A downwardly angled waste yeast feeding and extrusion unit is provided on the mounting bracket 1. A beer fermentation liquid filtration unit is provided in the direction of the downwardly angled extension of the waste yeast feeding and extrusion unit. A rotating cylinder 10 is rotatably connected between the waste yeast feeding and extrusion unit and the beer fermentation liquid filtration unit via a sealed bearing 11. The inner diameters of the rotating cylinder 10, the waste yeast feeding and extrusion unit, and the beer fermentation liquid filtration unit are all equal. A discharge port is provided on the side of the rotating cylinder 10, and a corresponding waste yeast discharge channel 12 is provided at the discharge port. A drive component is provided on the waste yeast feeding and extrusion unit. A drive gear 8 is provided on the output shaft of the drive component. An arc-shaped rack 9 that meshes with the drive gear 8 is provided on the outside of the rotating cylinder 10. A PLC controller is provided on the waste yeast feeding and extrusion unit, and the output terminal of the PLC controller is electrically connected to the input terminal of the drive component. Waste yeast sludge enters through the waste yeast feeding and extrusion unit. The residual beer fermentation liquid in the waste yeast sludge is partially recovered through the beer fermentation liquid filtration unit. Under pressure, the residual beer fermentation liquid in the waste yeast sludge can be squeezed out to the maximum extent. The solid waste yeast is completely pushed into the rotating drum 10 under the extrusion. When it is necessary to discharge the solid waste yeast, the PLC controller starts the drive component, which drives the drive gear 8 to rotate forward. Through meshing with the arc-shaped rack 9, the rotating drum 10 is driven to rotate around its axis. When the waste yeast discharge channel 12 on the side of the rotating drum 10 faces downward, the compressed solid waste yeast can be discharged into the ditch below for collection under its own gravity. After completion, the PLC controller starts the drive component, which drives the drive gear 8 to rotate in the opposite direction, and the rotating drum 10 rotates back to its original position.

[0024] Furthermore, the waste yeast feeding and extrusion unit is a waste yeast extrusion cylinder 4 mounted on the mounting bracket 1. The lower end of the waste yeast extrusion cylinder 4 is open, and the inner diameter of the waste yeast extrusion cylinder 4 is equal to the inner diameter of the rotating cylinder 10. An electric telescopic rod 2 is provided on the outside of the waste yeast extrusion cylinder 4 in an upwardly inclined direction. The electric telescopic rod 2 is mounted on the waste yeast extrusion cylinder 4 through the mounting plate 3. The telescopic end of the electric telescopic rod 2 extends into the inside of the waste yeast extrusion cylinder 4, and a waste yeast extrusion piston 17 is provided at the telescopic end of the electric telescopic rod 2. The diameter of the waste yeast extrusion piston 17 is equal to the inner diameter of the waste yeast extrusion cylinder 4. A feed port is provided at the lower position of the waste yeast extrusion cylinder 4, and a matching feed cylinder 5 is provided at the feed port. The input end of the electric telescopic rod 2 is electrically connected to the output end of the PLC controller. A fixed amount of waste yeast sludge is conveyed to the waste yeast extrusion cylinder 4 by an external conveying device through the feed cylinder 5. Subsequently, after receiving a signal that the external conveying device has completed conveying, the PLC controller controls the electric telescopic rod 2 to extend, driving the waste yeast extrusion piston 17 to move downward and apply mechanical pressure to the waste yeast sludge.

[0025] Furthermore, the beer fermentation liquid filtration unit is a filter cylinder 15 positioned in a downwardly extending direction of the rotating cylinder 10. The lower end of the rotating cylinder 10 is rotatably connected to the upper end of the filter cylinder 15 via a sealed bearing 11. A drain valve 16 is provided at the liquid outlet at the lower end of the filter cylinder 15. A plate-type ceramic membrane filter plate 18 is installed inside the filter cylinder 15, with the side of the plate-type ceramic membrane filter plate 18 near the rotating cylinder 10 flush with the upper end of the filter cylinder 15. The drain valve 16 is connected to an external fermentation tank. Most of the beer fermentation liquid in the waste yeast sludge is filtered through the plate-type ceramic membrane filter plate 18 and enters the filter cylinder 15. A small portion of the beer fermentation liquid, under the pressure of the squeeze piston 17, passes through the plate-type ceramic membrane filter plate 18 and enters the filter cylinder 15, thereby maximizing the collection of beer fermentation liquid from the waste yeast sludge. The clarified beer fermentation liquid is discharged through the drain valve 16 to the external fermentation tank for continued fermentation.

[0026] Furthermore, the length of the discharge port on the side of the rotating cylinder 10 is equal to the inner diameter of the rotating cylinder 10, and the width of the discharge port on the side of the rotating cylinder 10 is equal to the distance between the waste yeast feeding extrusion unit and the beer fermentation liquid filtration unit. The maximum size of the discharge port ensures that the extruded solid waste yeast can be smoothly discharged from the waste yeast discharge channel 12.

[0027] Furthermore, a support plate 13 is provided on the filter cartridge 15, and a discharge channel baffle 14 is provided on the support plate 13 to cooperate with the waste yeast discharge channel 12. The discharge channel baffle 14 can prevent impurities in the external environment from entering the waste yeast discharge channel 12 to a certain extent.

[0028] Furthermore, the discharge channel baffle 14 is arc-shaped, and the end of the waste yeast discharge channel 12 is also arc-shaped to match the discharge channel baffle 14. The discharge channel baffle 14 and the end of the waste yeast discharge channel 12 are in frictional contact. The arc shape of the discharge channel baffle 14, the arc shape of the end of the waste yeast discharge channel 12, and the rotating cylinder 10 all share the same center. This greatly enhances the sealing performance.

[0029] Furthermore, the drive component is a motor 7, with a drive gear 8 mounted on its output shaft. The motor 7 is fixedly connected to the waste yeast extrusion cylinder 4 via a fixing plate 6, and its input terminal is electrically connected to the output terminal of the PLC controller. The motor 7 can be a servo motor or a stepper motor with a brake locking function.

[0030] Furthermore, the interiors of the waste yeast extrusion cylinder 4, feed cylinder 5, rotating cylinder 10, and waste yeast discharge channel 12 all have smooth surfaces. These smooth surfaces significantly reduce the adhesion of waste yeast sludge inside.

[0031] The working principle of the device for recovering fermentation liquid from beer yeast provided by this utility model is as follows: During use, waste yeast sludge is quantitatively fed into the waste yeast extrusion cylinder 4 via an external conveying device through the feeding cylinder 5. At this time, the electric telescopic rod 2 is in the retracted state, and the waste yeast extrusion piston 17 is located at the top. After feeding is completed, the PLC controller controls the electric telescopic rod 2 to extend, pushing the waste yeast extrusion piston 17 downward to apply mechanical pressure to the waste yeast sludge in the cylinder. Under this pressure, the yeast sludge is compressed and pushed downward. The beer fermentation liquid in it is collected at the bottom of the filter cylinder 15 through the plate ceramic membrane filter plate 18, and finally discharged through the drain valve 16 and recycled back to the fermentation tank for reuse, while the solid yeast... Under the continuous pushing of the waste yeast compression piston 17, the yeast is compressed into a cake shape inside the rotating drum 10. Then, the PLC controller controls the electric telescopic rod 2 to retract to its original position. The PLC controller controls the motor 7 to work, and through the meshing of the drive gear 8 and the arc rack 9, the rotating drum 10 is driven to rotate, so that the waste yeast discharge channel 12 faces downward. The motor 7 is locked and fixed. Under the action of its own gravity, the solid yeast is automatically discharged from the waste yeast discharge channel 12 into the ditch below for temporary storage. After the solid yeast is discharged, the PLC controller controls the motor 7 to reverse, driving the rotating drum 10 to accurately return to the initial sealing position, thus completing the whole process.

[0032] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A device for recovering fermentation liquid from brewer's yeast, comprising a mounting bracket, characterized in that: The mounting bracket is equipped with a downward-sloping waste yeast feeding and pressing unit. A beer fermentation liquid filtration unit is arranged in the downward-sloping direction of the waste yeast feeding and pressing unit. A rotating cylinder is rotatably connected between the waste yeast feeding and pressing unit and the beer fermentation liquid filtration unit via a sealed bearing. The inner diameters of the rotating cylinder, the waste yeast feeding and pressing unit, and the beer fermentation liquid filtration unit are all equal. A discharge port is opened on the side of the rotating cylinder, and a matching waste yeast discharge channel is provided at the discharge port. A drive assembly is provided on the waste yeast feeding and pressing unit. A drive gear is provided on the output shaft of the drive assembly. An arc-shaped rack that meshes with the drive gear is provided on the outside of the rotating cylinder. A PLC controller is provided on the waste yeast feeding and pressing unit. The output terminal of the PLC controller is electrically connected to the input terminal of the drive assembly.

2. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 1, characterized in that: The waste yeast feeding and extrusion unit is a waste yeast extrusion cylinder mounted on a mounting bracket. The lower end of the waste yeast extrusion cylinder is open, and its inner diameter is equal to that of the rotating cylinder. An electric telescopic rod is provided on the outside of the waste yeast extrusion cylinder, extending obliquely upward. The electric telescopic rod is mounted on the waste yeast extrusion cylinder via a mounting plate. The telescopic end of the electric telescopic rod extends into the inside of the waste yeast extrusion cylinder, and a waste yeast extrusion piston is provided at the telescopic end of the electric telescopic rod. The diameter of the waste yeast extrusion piston is equal to that of the inner diameter of the waste yeast extrusion cylinder. A feed port is provided at the lower part of the waste yeast extrusion cylinder, and a matching feed cylinder is provided at the feed port. The input end of the electric telescopic rod is electrically connected to the output end of the PLC controller.

3. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 1, characterized in that: The beer fermentation liquid filtration unit is a filter cylinder installed in the direction of the downward extension of the rotating cylinder. The lower end of the rotating cylinder is rotatably connected to the upper end of the filter cylinder through a sealed bearing. A drain valve is provided at the liquid outlet of the lower end of the filter cylinder. A plate ceramic membrane filter plate is installed inside the filter cylinder, and the side of the plate ceramic membrane filter plate near the rotating cylinder is flush with the upper end of the filter cylinder.

4. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 1, characterized in that: The length of the discharge port on the side of the rotating cylinder is equal to the inner diameter of the rotating cylinder, and the width of the discharge port on the side of the rotating cylinder is equal to the distance between the waste yeast feeding and extrusion unit and the beer fermentation liquid filtration unit.

5. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 3, characterized in that: The filter cartridge is provided with a support plate, and the support plate is provided with a discharge channel shield that cooperates with the waste yeast discharge channel.

6. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 5, characterized in that: The discharge channel baffle is arc-shaped, and the end of the waste yeast discharge channel is arc-shaped to match the discharge channel baffle. The discharge channel baffle and the end of the waste yeast discharge channel are in frictional contact. The arc shape of the discharge channel baffle, the arc shape of the end of the waste yeast discharge channel, and the rotating cylinder are all at the same center.

7. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 1, characterized in that: The drive component is a motor, and a drive gear is provided on the output shaft of the motor. The motor is fixedly connected to the waste yeast extrusion cylinder through a fixing plate, and the input end of the motor is electrically connected to the output end of the PLC controller.

8. The apparatus for recovering fermentation liquid from brewer's yeast according to claim 2, characterized in that: The interior of the waste yeast extrusion cylinder, feeding cylinder, rotating cylinder, and waste yeast discharge channel all have smooth surfaces.

Images