Fermentation device for preparing craft beer and fermentation method thereof

Abstract

The invention discloses a fermentation device for preparing craft beer and a fermentation method thereof. The fermentation device for preparing craft beer comprises a fermentation tank, and supporting legs are fixedly mounted at the bottom of the fermentation tank. Compared with the prior art, the uniform mixing device has the following advantages and effects that due to the design of the uniform mixing mechanism, yeast in the feeding hopper can be conveyed downwards at a constant speed and uniform quantity into the circular-truncated-cone-shaped groove in the bottom of the material dispersing base to be mixed with wort, the yeast entering the circular-truncated-cone-shaped groove can be dispersed, the yeast is prevented from caking when encountering the wort initially, the yeast is more comprehensively dispersed in the wort, and the quality of the yeast is improved. Wort and yeast can be fully stirred and mixed from multiple angles and multiple layers, it is further ensured that the yeast and the wort are evenly mixed, and mixed liquid in a circular-truncated-cone-shaped groove can be pushed outwards, so that the mixed liquid above the outer portion of the bulk material base enters the circular-truncated-cone-shaped groove through a liquid inlet inclined hole, and the mixing effect is improved. Therefore, the uniformity and efficiency of material mixing can be further promoted, full contact of all components in the fermentation process is guaranteed, and the fermentation quality is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of beer production, in particular to a fermentation device for preparing craft beer and a fermentation method thereof. Background Art

[0002] Craft beer is brewed using only four ingredients: malt, hops, yeast, and water, without any artificial additives. The advantages of craft beer lie primarily in its pure ingredients, diverse flavors, higher nutritional value, rich bioactive ingredients, and excellent taste, making it highly popular among some groups. In the craft beer production process, fermentation is a key step in determining the quality and flavor of the beer. During fermentation, malt and rice are pre-treated through grinding and saccharification to produce wort. This wort and yeast are then mixed in a fermentation unit in a prescribed ratio for fermentation.

[0003] In the related art, traditional craft beer fermentation equipment has many problems in practical application. First, in terms of material mixing, existing fermentation equipment often has difficulty in achieving sufficient and uniform mixing of wort and yeast. Some devices have a single stirring method and cannot stir the materials from multiple angles, resulting in uneven mixing of yeast and wort, affecting yeast fermentation efficiency and the formation of beer flavor. In addition, yeast is prone to agglomeration when in contact with wort. Traditional devices lack an effective breaking mechanism, which prevents the yeast from being fully dispersed, limiting the fermentation effect. To this end, we propose a fermentation device for preparing craft beer and a fermentation method thereof to solve the above problems.

[0004] Through prior art search, the following known technical solutions exist:

[0005] Patent document CN222631382U discloses a craft beer fermentation device comprising a fermentation tank, a stirring assembly, a spiral blade, a drive assembly, and a cleaning assembly. The stirring assembly includes a stirring rod, a plurality of first and second one-way valves, a first bearing, a second bearing, and a first gear. The plurality of first one-way valves are located on either side of the stirring rod. In this invention, the rotating spiral blade transports raw materials from the bottom of the fermentation tank upward, and the rotating stirring rod stirs the upwardly transported raw materials, thereby uniformly mixing the raw materials within the fermentation tank. When raw materials adhered to the inner wall of the fermentation tank need to be cleaned, the water pump and motor are controlled to operate. The cleaning liquid in the water tank is then evenly sprayed onto the inner wall of the fermentation tank through a conduit and the rotating stirring rod, thereby quickly and efficiently cleaning the raw materials adhered to the inner wall of the fermentation tank. However, this prior art has a single stirring method.

[0006] Patent document with authorization announcement number CN217149122U discloses an efficient fermentation device for craft beer, comprising: a tank body and a water tank, a water tank installed in the middle of one side of the tank body, a heating chamber installed on the inner surface of the tank body, a motor installed in the middle of the top of the tank body, a rotating tube installed on the output shaft of the motor inside the tank body, stirring rods installed on both sides of the outer surface of the rotating tube near the top and near the bottom, stirring shafts installed on the adjacent sides of the stirring rods on both sides, and a rotating shaft installed in the middle of both sides of the tank body through bearings. The utility model solves the problems of the existing device having a simple stirring mechanism, being unable to mix and stir the raw materials, poor heating uniformity of the raw materials, poor fermentation uniformity of the raw materials, and being unable to quickly heat the raw materials, low heating efficiency of the raw materials, and poor fermentation efficiency of the raw materials. It improves the heating efficiency of the raw materials, thereby improving the fermentation efficiency of the raw materials. However, this existing technology does not have a breaking mechanism, and the yeast is prone to caking when it comes into contact with the wort, and the yeast cannot be fully and evenly dispersed, which limits the fermentation effect. Summary of the Invention

[0007] (1) Technical problems solved

[0008] In response to the shortcomings of the existing technology, the present invention provides a fermentation device and a fermentation method for preparing craft beer, which solves the problem that the existing fermentation device has a single stirring method and lacks an effective breaking mechanism. Yeast is prone to agglomeration when in contact with wort, which makes it impossible for the yeast to be fully dispersed and limits the fermentation effect.

[0009] (2) Technical solution

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fermentation device for preparing craft beer, comprising a fermentation tank, wherein the bottom of the fermentation tank is fixedly installed with supporting legs, the top of the fermentation tank is fixedly installed with an L-shaped plate frame, a mixing mechanism is provided between the fermentation tank and the L-shaped plate frame, the mixing mechanism is used to stir and mix the wort and yeast raw materials for making craft beer evenly, an annular electric heating tube is fixedly installed on the inner wall of the fermentation tank, the mixing mechanism comprises an outer hollow vertical shaft, a connecting seat, a feeding hopper, an inner hollow vertical shaft, a bulk material seat, a bottom beam, a vertical rod, a spiral feeding blade, an upper cross bar, an upper bulk material tooth, a lower cross bar, a lower bulk material tooth, a sealing cover, a booster assembly and a drive assembly, the outer hollow vertical shaft is rotatably installed in the fermentation tank, the top end of the outer hollow vertical shaft extends to the outside of the fermentation tank, the connecting seat is fixedly installed on the bottom end of the outer hollow vertical shaft, and the feeding hopper is rotatably installed on the L-shaped plate The bottom end of the inner hollow vertical shaft is provided with a truncated cone-shaped groove, and the bottom end of the inner hollow vertical shaft extends into the truncated cone-shaped groove. The bottom beam is fixedly installed in the fermentation tank and is located below the bulk material seat. The vertical rod is fixedly installed on the top of the bottom beam, and the top end of the vertical rod passes through the inner hollow vertical shaft. The spiral feeding blade is fixedly installed on the vertical rod, and the top end of the spiral feeding blade extends into the feeding hopper. The upper cross bar is fixedly installed on one side of the vertical rod and is located in the truncated cone-shaped groove. The upper bulk material teeth are fixedly installed on the lower surface of the upper cross bar, and the lower cross bar is fixedly installed on the inner side wall of the truncated cone-shaped groove. The lower bulk material teeth are fixedly installed on the upper surface of the lower cross bar, and the upper bulk material teeth and the lower bulk material teeth are staggered.

[0011] Preferably, the connecting seat is provided with an avoidance hole connected to the outer hollow vertical shaft, and the bottom end of the inner hollow vertical shaft passes through the avoidance hole to avoid a sealing ring fixedly installed on the inner wall of the hole, and the inner ring wall of the sealing ring rotates and seals with the outer wall of the inner hollow vertical shaft.

[0012] Preferably, the number of the upper cross bars and the number of the lower cross bars are both set to be multiple, and the multiple upper cross bars and the multiple lower cross bars are all distributed in a ring with equal intervals around the vertical bar as the center.

[0013] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0014] Preferably, vertical guide rods are fixedly mounted on the tops of the two support plates, the liquid pushing plate is slidably mounted on the two vertical guide rods, and limit blocks are fixedly mounted on the tops of the two vertical guide rods.

[0015] Preferably, a plurality of evenly distributed stirring rods 1 are fixedly mounted on the outer wall of the outer hollow vertical shaft, a plurality of evenly distributed stirring rods 2 are fixedly mounted on the outer wall of the connecting seat, and a plurality of evenly distributed stirring rods 3 are fixedly mounted on the outer wall of the bulk material seat.

[0016] Preferably, the drive assembly includes a transmission bevel gear 1, a transmission bevel gear 2, a machine base, a motor and an active bevel gear. The transmission bevel gear 1 is fixedly mounted on the outer hollow vertical shaft and is located above the fermentation tank. The transmission bevel gear 2 is fixedly mounted on the inner hollow vertical shaft and is located above the transmission bevel gear 1. The machine base is fixedly mounted on the top of the fermentation tank, the motor is fixedly mounted on the top of the machine base, and the active bevel gear is fixedly mounted on the output shaft end of the motor. The transmission bevel gear 1 and the transmission bevel gear 2 are both engaged with the active bevel gear.

[0017] Preferably, a feed pipe is fixedly installed at the bottom of the fermentation tank, a filter box is fixedly installed at the bottom of the feed pipe, a discharge pipe is fixedly installed at the bottom of the filter box, and stop valves are fixedly installed on the feed pipe and the discharge pipe. A V-shaped filter screen is provided in the filter box, and a through hole is opened on the right side of the filter box. The right side of the V-shaped filter screen passes through the through hole and is fixedly connected to a sealing plate, and the sealing plate is fixed to the right outer wall of the filter box by screws.

[0018] Preferably, two positioning bars are fixedly mounted on the left inner wall of the filter box, and the left side of the V-shaped filter is slidably mounted between the two positioning bars.

[0019] A fermentation method for preparing craft beer, comprising the following steps:

[0020] S1: Clean and disinfect the fermentation device to ensure that all parts inside and outside the device are clean and sterile, and check to confirm that all parts can be used normally; prepare water, malt, rice, yeast and other raw materials, and crush and saccharify the malt and rice to make wort;

[0021] S2: Pour the pre-treated wort into the fermentation tank from the fermentation tank's feeding hopper, and then pour the specified proportion of yeast into the feeding hopper according to the volume of the wort;

[0022] S3: Start the motor and use the mixing mechanism to uniformly transport the yeast in the hopper downward to the fermentation tank and mix it with the wort thoroughly. At the same time, turn on the annular electric heating tube to generate heat. The heating temperature is controlled between 10°C and 25°C according to the type of yeast. The fermentation temperature is accurately controlled to create a suitable environment for yeast fermentation.

[0023] S4: During the fermentation process, after a period of static fermentation, the mixing mechanism is continued to stir and ferment for 10-30 minutes to promote yeast metabolism and fermentation reaction. The stirring and static operations are then repeated continuously. After 8-10 days, the fermentation process is completed.

[0024] S5: After fermentation is completed, open the stop valves on the feed pipe and the discharge pipe. The craft beer solution prepared in the fermentation tank first flows into the filter box, and the impurities in the craft beer solution are filtered using a V-shaped filter. The craft beer solution after filtering out the impurities then flows out from the discharge pipe. When all the craft beer solution inside the fermentation tank is discharged, the V-shaped filter can be pulled out of the filter box by removing the screws on the sealing plate, and the V-shaped filter can be cleaned or replaced.

[0025] (3) Beneficial effects

[0026] The present invention provides a fermentation device and a fermentation method for preparing craft beer.

[0027] Beneficial effects:

[0028] (1) The present invention utilizes a mixing mechanism to transport the yeast in the hopper downward at a uniform speed and in a uniform amount to the conical groove at the bottom of the bulk material seat to mix with the wort. The present invention can break up the yeast entering the conical groove to prevent the yeast from agglomerating when it first encounters the wort, so that the yeast is more fully dispersed in the wort. The wort and yeast can be fully stirred and mixed from multiple angles and multiple levels to further ensure that the yeast and wort are evenly mixed. The present invention can also push the mixed liquid in the conical groove outward so that the mixed liquid above the outside of the bulk material seat can enter the inside of the conical groove through multiple liquid inlet inclined holes, thereby further promoting the uniformity and efficiency of material mixing, ensuring that the various components are fully contacted during the fermentation process, and improving the fermentation quality.

[0029] (2) The present invention can effectively filter impurities in the craft beer solution when discharging the craft beer through the coordinated action of the feed pipe, filter box, discharge pipe, stop valve, V-shaped filter, sealing plate and positioning strip, thereby improving the purity of the discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the main three-dimensional structure of the present invention;

[0031] Figure 2 It is a schematic diagram of the main cross-sectional three-dimensional structure of the present invention;

[0032] Figure 3 It is a schematic diagram of the main three-dimensional structure of the mixing mechanism;

[0033] Figure 4 It is a schematic diagram of the main cross-sectional three-dimensional structure of the mixing mechanism;

[0034] Figure 5 for Figure 4 A magnified schematic diagram of part A;

[0035] Figure 6 It is a schematic diagram of the three-dimensional structure of the bulk material seat when viewed from above;

[0036] Figure 7 This is a schematic diagram of the top-down three-dimensional structure of the liquid pusher plate;

[0037] Figure 8 This is a schematic diagram of the three-dimensional structure of the liquid pusher plate when viewed from above;

[0038] Figure 9 It is a schematic diagram of the main cross-sectional three-dimensional structure of the filter box.

[0039] In the figure: 1, fermentation tank; 2, support legs; 3, L-shaped plate frame; 4, mixing mechanism; 401, outer hollow vertical shaft; 402, connecting seat; 403, feeding hopper; 404, inner hollow vertical shaft; 405, bulk material seat; 406, truncated cone groove; 407, bottom beam; 408, vertical rod; 409, spiral feeding blade; 410, upper cross bar; 411, upper bulk material teeth; 412, lower cross bar; 413, lower bulk material teeth; 414, liquid pusher; 415, support plate; 416, spring; 417, vertical guide rod; 41 8. Limit block; 419. Arc block; 420. Horizontal fixing rod; 421. Sliding ball; 422. Liquid inlet inclined hole; 423. Stirring rod one; 424. Stirring rod two; 425. Stirring rod three; 426. Transmission bevel gear one; 427. Transmission bevel gear two; 428. Machine base; 429. Motor; 430. Active bevel gear; 431. Sealing cover; 5. Annular electric heating tube; 6. Feeding pipe; 7. Filter box; 8. Discharge pipe; 9. Stop valve; 10. V-type filter; 11. Sealing plate; 12. Positioning strip. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0041] First embodiment

[0042] See also Figure 1-Figure 7In a first embodiment of the present application, a fermentation device for preparing craft beer includes: a fermentation tank 1, a support leg 2 is fixedly installed at the bottom of the fermentation tank 1, an L-shaped plate frame 3 is fixedly installed on the top of the fermentation tank 1, a mixing mechanism 4 is provided between the fermentation tank 1 and the L-shaped plate frame 3, the mixing mechanism 4 is used to stir and mix the wort and yeast raw materials for making craft beer, an annular electric heating tube 5 is fixedly installed on the inner wall of the fermentation tank 1, the annular electric heating tube 5 adopts a constant temperature electric heating tube, and the heating temperature is controlled at 10°C to 25°C. The specific heating temperature is selected according to the type of yeast. The annular electric heating tube 5 can accurately control the fermentation temperature according to the requirements of the fermentation process, create suitable environmental conditions for yeast fermentation, and help improve the quality and flavor of craft beer. The mixing mechanism 4 includes an outer hollow vertical shaft 401, a connecting seat 402, a feeding hopper 403, an inner hollow vertical shaft 404, a bulk material seat 405, a bottom beam 407, a vertical rod 408, a spiral feeding blade 409, an upper cross bar 410, an upper bulk material tooth 411, a lower cross bar 412, a lower bulk material tooth 413, a sealing cover 431 and a driving assembly. The outer hollow vertical shaft 401 is rotatably mounted in the fermentation tank 1, and the top of the outer hollow vertical shaft 401 extends to the outside of the fermentation tank 1. The connecting seat 402 is fixedly mounted on the bottom end of the outer hollow vertical shaft 401, the feeding hopper 403 is rotatably mounted on the L-shaped plate frame 3, the sealing cover 431 is threadedly mounted on the top of the feeding hopper 403, the inner hollow vertical shaft 404 is fixedly mounted on the bottom end of the feeding hopper 403, and the bottom end of the inner hollow vertical shaft 404 is screwed. The outer hollow vertical shaft 401 and the connecting seat 402 are passed through for the second time, the bulk material seat 405 is fixedly installed at the bottom end of the inner hollow vertical shaft 404, and a truncated cone-shaped groove 406 is provided at the bottom of the bulk material seat 405. The bottom end of the inner hollow vertical shaft 404 extends into the truncated cone-shaped groove 406. The bottom beam 407 is fixedly installed in the fermentation tank 1 and is located below the bulk material seat 405. The vertical rod 408 is fixedly installed on the top of the bottom beam 407. The top end of the vertical rod 408 passes through the inner hollow vertical shaft 404. The spiral feeding blade 409 is fixedly installed on the vertical rod 408. The top end of the spiral feeding blade 409 extends into the feeding hopper 403. The design of the spiral feeding blade 409 can uniformly feed the yeast in the feeding hopper 403 downward at a uniform speed when the inner hollow vertical shaft 404 rotates. The yeast and wort are sent to the truncated cone groove 406 at the bottom of the bulk material seat 405, so that the yeast and wort are mixed more evenly. The upper cross bar 410 is fixedly mounted on one side of the vertical bar 408 and is located in the truncated cone groove 406. The upper bulk material teeth 411 are fixedly mounted on the lower surface of the upper cross bar 410, and the lower cross bar 412 is fixedly mounted on the inner side wall of the truncated cone groove 406. The lower bulk material teeth 413 are fixedly mounted on the upper surface of the lower cross bar 412. The upper bulk material teeth 411 and the lower bulk material teeth 413 are staggered. The number of upper cross bars 410 and lower cross bars 412 is set to multiple, and the multiple upper cross bars 410 and the multiple lower cross bars 412 are all distributed in an equidistant ring with the vertical bar 408 as the center. The vertical bar 408 is used to drive the rotation of the multiple upper cross bars 410 and the multiple upper bulk material teeth 411.Under the coordinated action of the multiple lower cross bars 412 and the multiple lower bulking teeth 413, the yeast can be broken up when it enters the truncated cone groove 406 and mixes with the wort, effectively preventing the yeast from clumping when it first comes into contact with water, allowing the yeast to be more fully dispersed in the wort, thereby improving the uniformity of the mixing of the yeast and wort.

[0043] In this embodiment, a avoidance hole connected to the outer hollow vertical shaft 401 is provided on the connecting seat 402, and the bottom end of the inner hollow vertical shaft 404 passes through the avoidance hole. The design of the avoidance hole can make the rotation of the inner hollow vertical shaft 404 smoother and unobstructed, avoiding a sealing ring fixedly installed on the inner wall of the hole. The inner ring wall of the sealing ring rotates and seals with the outer wall of the inner hollow vertical shaft 404. The design of the sealing ring can prevent the mixed liquid from entering the gap between the outer hollow vertical shaft 401 and the inner hollow vertical shaft 404.

[0044] In this embodiment, a plurality of evenly distributed stirring rods 1 423 are fixedly mounted on the outer wall of the outer hollow vertical shaft 401, a plurality of evenly distributed stirring rods 2 424 are fixedly mounted on the outer wall of the connecting seat 402, and a plurality of evenly distributed stirring rods 3 425 are fixedly mounted on the outer wall of the bulk material seat 405. The driving assembly includes a transmission bevel gear 1 426, a transmission bevel gear 2 427, a machine base 428, a motor 429 and an active bevel gear 430. The transmission bevel gear 1 426 is fixedly mounted on the outer hollow vertical shaft 401 and is located above the fermentation tank 1. The transmission bevel gear 2 427 is fixedly mounted on the inner hollow vertical shaft 404 and is located above the transmission bevel gear 1 426. The machine base 428 is fixedly mounted on the top of the fermentation tank 1, the motor 429 is fixedly mounted on the top of the machine base 428, and the active bevel gear 430 is fixedly mounted on the motor 429. At the output shaft end, the transmission bevel gear 1 426 and the transmission bevel gear 2 427 are both engaged with the active bevel gear 430, and the motor 429 is used to drive the active bevel gear 430 to rotate. By utilizing the meshing transmission effect of the transmission bevel gear 1 426 and the transmission bevel gear 2 427 with the active bevel gear 430, the outer hollow vertical shaft 401 and the inner hollow vertical shaft 404 can be rotated at the same time, and the outer hollow vertical shaft 401 and the inner hollow vertical shaft 404 can be turned in opposite directions. By utilizing the outer hollow vertical shaft 401 to drive the multiple stirring rods 1 423, the connecting seat 402 and the multiple stirring rods 2 424 to rotate, and utilizing the inner hollow vertical shaft 404 to drive the bulk material seat 405 and the multiple stirring rods 3 425 to rotate, the wort and yeast can be fully stirred and mixed from multiple angles and multiple levels to ensure that the materials are evenly mixed, laying a good foundation for the fermentation of craft beer.

[0045] Through the above structure, when the fermentation device for preparing craft beer provided by the present application is used, the sealing cover 431 on the top of the feeding hopper 403 is opened, the wort prepared in advance is first poured into the fermentation tank 1 from the feeding hopper 403, and then the yeast in a suitable proportion is poured into the feeding hopper 403. After the pouring is completed, the sealing cover 431 is tightened on the top of the feeding hopper 403. Then, the control motor 429 is started, and the output shaft of the motor 429 drives the active bevel gear 430 to rotate. Under the meshing transmission of the transmission bevel gear 1 426 and the transmission bevel gear 2 427 with the active bevel gear 430, the outer hollow vertical shaft 401 and the inner hollow vertical shaft 404 rotate in opposite directions at the same time. When the inner hollow vertical shaft 404 rotates, the spiral feeding blade 409 on the vertical rod 408 uniformly transports the yeast in the feeding hopper 403 downward to the conical groove 406 at the bottom of the bulk material seat 405 to mix with the wort;

[0046] When the inner hollow vertical shaft 404 rotates, the bulk material seat 405 rotates accordingly, and the bulk material seat 405 drives the multiple upper cross bars 410 and the upper bulk material teeth 411 to rotate, and cooperates with the lower bulk material teeth 413 fixed on the lower cross bar 412 on the inner side wall of the truncated cone-shaped groove 406 to break up the yeast that has entered the truncated cone-shaped groove 406, thereby preventing the yeast from clumping when it first encounters the wort, making the yeast more fully dispersed in the wort, and achieving preliminary uniform mixing. At the same time, the outer hollow vertical shaft 401 drives the multiple stirring rods 1 423, the connecting seat 402 and the multiple stirring rods 2 424 to rotate, and the inner hollow vertical shaft 404 drives the bulk material seat 405 and the multiple stirring rods 3 425 to rotate, so that the wort and yeast are fully stirred and mixed from multiple angles and multiple levels, further ensuring that the yeast and wort are evenly mixed.

[0047] During the fermentation period, the annular electric heating tube 5 is turned on and the heating temperature is controlled between 10°C and 25°C according to the type of yeast. The fermentation temperature is accurately controlled to create a suitable environment for yeast fermentation and improve the quality and flavor of craft beer.

[0048] Second embodiment

[0049] Based on the fermentation device for preparing craft beer provided in the first embodiment of the present application, the second embodiment of the present application proposes another fermentation device for preparing craft beer. The second embodiment is merely a preferred method of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0050] The second embodiment of the present application will be further described below with reference to the accompanying drawings and implementation plans.

[0051] See also Figures 1-8, in a fermentation device for preparing craft beer: the mixing mechanism 4 also includes a booster assembly, which is used to push the mixed liquid in the truncated cone groove 406 outward. The booster assembly includes a liquid pushing plate 414, two support plates 415, two springs 416, multiple arc blocks 419, two transverse fixed rods 420 and two sliding balls 421. The liquid pushing plate 414 is slidably mounted on the vertical rod 408 and is located below the lower crossbar 412. The two support plates 415 are fixedly mounted on the vertical rod 408 and are symmetrically distributed. The two support plates 415 are located below the liquid pushing plate 414, two springs 416 are fixedly mounted on the top of the corresponding support plate 415, the tops of the two springs 416 are fixedly connected to the bottom of the liquid pushing plate 414, a plurality of arc blocks 419 are fixedly mounted on the top of the liquid pushing plate 414, and the plurality of arc blocks 419 are distributed in an equidistant ring with the vertical rod 408 as the center, two horizontal fixing rods 420 are fixedly mounted on the inner side wall of the frustum-shaped groove 406 and are symmetrically distributed, and two sliding balls 421 are fixedly mounted on the two horizontal The fixed rods 420 are close to each other at one end, and the sliding ball 421 is located between the two adjacent arc blocks 419. The upper surface of the bulk material seat 405 is provided with a plurality of liquid inlet inclined holes 422. The plurality of liquid inlet inclined holes 422 are distributed in an annular shape with equal spacing around the vertical rod 408 as the center, and the plurality of liquid inlet inclined holes 422 are connected to the frustum-shaped groove 406. When the inner hollow vertical shaft 404 drives the bulk material seat 405 to rotate, the two horizontal fixed rods 420 and the two sliding balls 421 will rotate with the bulk material seat 405, and the sliding balls 421 will intermittently rotate in sequence. Sliding along the curved surface of multiple arc blocks 419, the sliding ball 421 will apply a downward force to the liquid pushing plate 414. Cooperating with the elastic force of the spring 416, it can push the liquid pushing plate 414 to reciprocate up and down, thereby pushing the mixed liquid in the truncated cone groove 406 outward, so that the mixed liquid above the outside of the bulk material seat 405 enters the inside of the truncated cone groove 406 through multiple liquid inlet inclined holes 422, thereby further promoting the uniformity and efficiency of material mixing and ensuring full contact of various components during the fermentation process.

[0052] In this embodiment, vertical guide rods 417 are fixedly installed on the top of the two support plates 415, and the liquid pushing plate 414 is slidably mounted on the two vertical guide rods 417. The top of the two vertical guide rods 417 is fixedly installed with limit blocks 418. The design of the vertical guide rods 417 and the limit blocks 418 can provide guidance for the running direction of the liquid pushing plate 414, so that the liquid pushing plate 414 can maintain a stable vertical lifting movement.

[0053] Through the above structure, when the fermentation device for preparing craft beer provided by the present application is used, the motor 429 is started, and yeast and wort are added to the fermentation tank 1 at a uniform speed and in a uniform amount during the stirring and mixing process. When the inner hollow vertical shaft 404 drives the bulk material seat 405 to rotate, the two horizontal fixed rods 420 and two sliding balls 421 fixed on the inner side wall of the conical groove 406 follow the rotation, and the sliding balls 421 intermittently slide along the arc surface of multiple arc blocks 419, thereby applying a downward force to the liquid pushing plate 414. Combined with the elastic force of the spring 416, it can push the liquid pushing plate 414 to reciprocate up and down, pushing the mixed liquid in the conical groove 406 outward, and the mixed liquid above the outside of the liquid pushing plate 414 enters the interior of the conical groove 406 through multiple liquid inlet inclined holes 422, further promoting the uniformity and efficiency of material mixing, and ensuring that all components are fully in contact during the fermentation process.

[0054] Third embodiment

[0055] Based on the fermentation devices for preparing craft beer provided in the first and second embodiments of this application, the third embodiment of this application provides another fermentation device for preparing craft beer. The third embodiment is merely a preferred embodiment of the first or second embodiment, and the implementation of the third embodiment will not affect the independent implementation of the first or second embodiment.

[0056] The third embodiment of the present application will be further described below with reference to the accompanying drawings and implementation plans.

[0057] See also Figures 1-9 , in the fermentation device for preparing craft beer: a feed pipe 6 is fixedly installed at the bottom of the fermentation tank 1, a filter box 7 is fixedly installed at the bottom of the feed pipe 6, a discharge pipe 8 is fixedly installed at the bottom of the filter box 7, and a stop valve 9 is fixedly installed on the feed pipe 6 and the discharge pipe 8. A V-shaped filter screen 10 is provided in the filter box 7, and a through hole is opened on the right side of the filter box 7. The right side of the V-shaped filter screen 10 passes through the through hole and is fixedly connected with a sealing plate 11, which is fixed to the right outer wall of the filter box 7 by screws. The design of the V-shaped filter screen 10 can effectively filter impurities in the fermented craft beer solution to ensure the purity of the discharge material. The design of fixing the sealing plate 11 with screws facilitates the disassembly and installation of the V-shaped filter screen 10, and thus facilitates the cleaning and replacement of the V-shaped filter screen 10.

[0058] In this embodiment, two positioning bars 12 are fixedly installed on the left inner wall of the filter box 7, and the left side of the V-shaped filter screen 10 is slidably installed between the two positioning bars 12. The two positioning bars 12 can be used to locate the installation position of the V-shaped filter screen 10 and support the V-shaped filter screen 10.

[0059] Through the above structure, when the fermentation device for preparing craft beer provided by the present application is used, after the fermentation of the material inside the fermenter 1 is completed to produce craft beer, by opening the stop valve 9 on the feed pipe 6 and the discharge pipe 8, the craft beer solution produced in the fermenter 1 first flows into the filter box 7 through the feed pipe 6. At this time, the V-shaped filter 10 is used to filter impurities in the craft beer solution to ensure the purity of the discharge. The craft beer solution after filtering out the impurities flows out from the discharge pipe 8. When the craft beer solution inside the fermenter 1 is completely discharged, the stop valve 9 on the feed pipe 6 and the discharge pipe 8 is closed. Then, the V-shaped filter 10 can be pulled out of the filter box 7 by removing the screws on the sealing plate 11, so that the V-shaped filter 10 can be cleaned or replaced, and finally the cleaned or replaced V-shaped filter 10 can be put back into the filter box 7.

[0060] The fermentation method for preparing craft beer provided by the present invention comprises the following steps:

[0061] S1: Clean and disinfect the fermentation device to ensure that all parts inside and outside the device are clean and sterile, and check to confirm that all parts can be used normally; prepare water, malt, rice, yeast and other raw materials, and crush and saccharify the malt and rice to make wort;

[0062] S2: Pour the pre-treated wort from the feeding hopper 403 of the fermentation tank 1 into the fermentation tank 1, and then pour a specified proportion of yeast into the feeding hopper 403 according to the volume of the wort;

[0063] S3: Start the motor 429 and use the mixing mechanism 4 to uniformly transport the yeast in the hopper 403 downward to the fermentation tank 1 to be fully and evenly mixed with the wort. At the same time, turn on the annular electric heating tube 5 to generate heat. The heating temperature is controlled between 10°C and 25°C according to the type of yeast, accurately controlling the fermentation temperature and creating a suitable environment for yeast fermentation.

[0064] S4: During the fermentation process, after a period of static fermentation, the mixing mechanism 4 is continued to stir and mix the fermentation for 10-30 minutes to promote yeast metabolism and fermentation reaction. The stirring and static operations are then repeated continuously. After 8-10 days, the fermentation process is completed.

[0065] S5: After fermentation is completed, the stop valves 9 on the feed pipe 6 and the discharge pipe 8 are opened, and the craft beer solution prepared in the fermentation tank 1 first flows into the filter box 7, and the impurities in the craft beer solution are filtered using the V-shaped filter 10. The craft beer solution after the impurities are filtered out then flows out from the discharge pipe 8. When the craft beer solution inside the fermentation tank 1 is completely discharged, the V-shaped filter 10 can be pulled out of the filter box 7 by removing the screws on the sealing plate 11, and the V-shaped filter 10 can be cleaned or replaced.

[0066] The above is a detailed introduction to a fermentation device for preparing craft beer and a fermentation method thereof provided by the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above examples is only used to help understand the method of the present application and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A fermentation device for preparing craft beer, characterized in that: The invention comprises a fermentation tank (1), wherein a support leg (2) is fixedly installed at the bottom of the fermentation tank (1), an L-shaped plate frame (3) is fixedly installed at the top of the fermentation tank (1), a mixing mechanism (4) is provided between the fermentation tank (1) and the L-shaped plate frame (3), the mixing mechanism (4) is used to stir and mix wort and yeast raw materials for making craft beer, an annular electric heating pipe (5) is fixedly installed on the inner wall of the fermentation tank (1), and the mixing mechanism (4) comprises an outer hollow vertical shaft (401), a connecting seat (402), a feeding hopper (403), an inner hollow vertical shaft (404), a bulk material seat (405), a bottom beam (407), a vertical rod (408), a spiral conveying The feeding blade (409), the upper cross bar (410), the upper bulking gear (411), the lower cross bar (412), the lower bulking gear (413), the sealing cover (431), the booster assembly and the driving assembly, the outer hollow vertical shaft (401) is rotatably mounted in the fermentation tank (1), the top end of the outer hollow vertical shaft (401) extends to the outside of the fermentation tank (1), the connecting seat (402) is fixedly mounted on the bottom end of the outer hollow vertical shaft (401), the feeding hopper (403) is rotatably mounted on the L-shaped plate frame (3), the sealing cover (431) is threadedly mounted on the top of the feeding hopper (403), and the inner hollow vertical shaft (404) is fixedly mounted on the feeding hopper. (403), the bottom end of the inner hollow vertical shaft (404) passes through the outer hollow vertical shaft (401) and the connecting seat (402) in sequence, the bulk material seat (405) is fixedly installed at the bottom end of the inner hollow vertical shaft (404), a truncated cone-shaped groove (406) is provided at the bottom of the bulk material seat (405), the bottom end of the inner hollow vertical shaft (404) extends into the truncated cone-shaped groove (406), the bottom beam (407) is fixedly installed in the fermentation tank (1) and is located below the bulk material seat (405), the vertical rod (408) is fixedly installed at the top of the bottom beam (407), the top end of the vertical rod (408) passes through the inner hollow vertical shaft (40 4), the spiral feeding blade (409) is fixedly mounted on the vertical rod (408), the top end of the spiral feeding blade (409) extends into the feeding hopper (403), the upper cross bar (410) is fixedly mounted on one side of the vertical rod (408) and is located in the truncated cone-shaped groove (406), the upper bulking teeth (411) are fixedly mounted on the lower surface of the upper cross bar (410), the lower cross bar (412) is fixedly mounted on the inner side wall of the truncated cone-shaped groove (406), the lower bulking teeth (413) are fixedly mounted on the upper surface of the lower cross bar (412), and the upper bulking teeth (411) and the lower bulking teeth (413) are staggered.

2. The fermentation device for preparing craft beer according to claim 1, characterized in that: The connecting seat (402) is provided with a relief hole connected to the outer hollow vertical shaft (401), the bottom end of the inner hollow vertical shaft (404) passes through the relief hole, and a sealing ring is fixedly installed on the inner wall of the relief hole, and the inner ring wall of the sealing ring is rotatably sealed with the outer wall of the inner hollow vertical shaft (404).

3. The fermentation device for preparing craft beer according to claim 1, characterized in that: The number of the upper cross bars (410) and the lower cross bars (412) is set to be multiple, and the multiple upper cross bars (410) and the multiple lower cross bars (412) are all distributed in an equidistant ring with the vertical bar (408) as the center.

4. The fermentation device for preparing craft beer according to claim 1, characterized in that: The booster assembly is used to push the mixed liquid in the truncated cone groove 406 outward. The booster assembly includes a liquid pushing plate (414), two support plates (415), two springs (416), multiple arc blocks (419), two transverse fixed rods (420) and two sliding balls (421). The liquid pushing plate (414) is slidably mounted on the vertical rod (408) and is located below the lower transverse rod (412). The two support plates (415) are fixedly mounted on the vertical rod (408) and are symmetrically distributed. The two support plates (415) are located below the liquid pushing plate (414). The two springs (416) are respectively fixedly mounted on the top of the corresponding support plates (415). The top ends of the two springs (416) are fixedly connected to the bottom of the liquid pushing plate (414). , multiple arc blocks (419) are fixedly mounted on the top of the liquid pushing plate (414), and multiple arc blocks (419) are distributed in an equidistant ring with the vertical rod (408) as the center, the two transverse fixed rods (420) are fixedly mounted on the inner side wall of the truncated cone groove (406) and are symmetrically distributed, the two sliding balls (421) are respectively fixedly mounted on the ends of the two transverse fixed rods (420) close to each other, and the sliding balls (421) are located between two adjacent arc blocks (419), and the upper surface of the bulk material seat (405) is provided with multiple liquid inlet inclined holes (422), and the multiple liquid inlet inclined holes (422) are distributed in an equidistant ring with the vertical rod (408) as the center, and the multiple liquid inlet inclined holes (422) are connected to the truncated cone groove (406).

5. The fermentation device for preparing craft beer according to claim 4, characterized in that: The tops of the two support plates (415) are fixedly mounted with vertical guide rods (417), the liquid pushing plate (414) is slidably mounted on the two vertical guide rods (417), and the tops of the two vertical guide rods (417) are fixedly mounted with limit blocks (418).

6. The fermentation device for preparing craft beer according to claim 1, characterized in that: A plurality of uniformly distributed stirring rods (423) are fixedly mounted on the outer wall of the outer hollow vertical shaft (401), a plurality of uniformly distributed stirring rods (424) are fixedly mounted on the outer wall of the connecting seat (402), and a plurality of uniformly distributed stirring rods (425) are fixedly mounted on the outer wall of the bulk material seat (405).

7. The fermentation device for preparing craft beer according to claim 1, characterized in that: The driving assembly comprises a transmission bevel gear 1 (426), a transmission bevel gear 2 (427), a machine base (428), a motor (429) and an active bevel gear (430). The transmission bevel gear 1 (426) is fixedly mounted on the outer hollow vertical shaft (401) and is located above the fermentation tank (1). The transmission bevel gear 2 (427) is fixedly mounted on the inner hollow vertical shaft (404) and is located above the transmission bevel gear 1 (426). The machine base (428) is fixedly mounted on the top of the fermentation tank (1). The motor (429) is fixedly mounted on the top of the machine base (428). The active bevel gear (430) is fixedly mounted on the output shaft end of the motor (429). The transmission bevel gear 1 (426) and the transmission bevel gear 2 (427) are both meshed with the active bevel gear (430).

8. The fermentation device for preparing craft beer according to claim 1, characterized in that: A feed pipe (6) is fixedly installed at the bottom of the fermentation tank (1), a filter box (7) is fixedly installed at the bottom of the feed pipe (6), a discharge pipe (8) is fixedly installed at the bottom of the filter box (7), and a stop valve (9) is fixedly installed on both the feed pipe (6) and the discharge pipe (8). A V-shaped filter screen (10) is provided in the filter box (7), a through hole is provided on the right side of the filter box (7), and a sealing plate (11) is fixedly connected to the right side of the V-shaped filter screen (10) through the through hole, and the sealing plate (11) is fixed to the right outer wall of the filter box (7) by screws.

9. The fermentation device for preparing craft beer according to claim 8, characterized in that: Two positioning bars (12) are fixedly mounted on the left inner wall of the filter box (7), and the left side of the V-shaped filter (10) is slidably mounted between the two positioning bars (12).

10. A fermentation method for preparing craft beer according to any one of claims 1 to 9, characterized in that: The steps are as follows: S1: Clean and disinfect the fermentation device to ensure that all parts inside and outside the device are clean and sterile, and check to confirm that all parts can be used normally; prepare water, malt, rice, yeast and other raw materials, and crush and saccharify the malt and rice to make wort; S2: pouring the pre-treated wort from the feeding hopper (403) of the fermentation tank (1) into the fermentation tank (1), and then pouring a prescribed proportion of yeast into the feeding hopper (403) according to the volume of the wort; S3: Start the motor (429) and use the mixing mechanism (4) to uniformly transport the yeast in the hopper (403) downward to the fermentation tank (1) to be fully and evenly mixed with the wort. At the same time, turn on the annular electric heating tube (5) to generate heat. The heating temperature is controlled between 10°C and 25°C according to the type of yeast, and the fermentation temperature is accurately controlled to create a suitable environment for yeast fermentation. S4: During the fermentation process, after a period of static fermentation, the mixing mechanism (4) is continued to stir and mix the fermentation for 10-30 minutes to promote the metabolism of yeast and the fermentation reaction. The stirring and static operations are then repeated continuously. After 8-10 days, the fermentation process is completed. S5: After fermentation is completed, the stop valves (9) on the feed pipe (6) and the discharge pipe (8) are opened, and the craft beer solution prepared in the fermentation tank (1) first flows into the filter box (7), and the impurities in the craft beer solution are filtered using the V-shaped filter (10). The craft beer solution after the impurities are filtered flows out from the discharge pipe (8). When the craft beer solution inside the fermentation tank 1 is completely discharged, the V-shaped filter (10) can be pulled out of the filter box (7) by removing the screws on the sealing plate (11), and the V-shaped filter (10) can be cleaned or replaced.

Images