Sieve plate for solid-liquid separation in beer saccharification

Abstract

The utility model relates to the technical field of beer saccharification, and particularly discloses a solid-liquid separation sieve plate for beer saccharification, which comprises a base for supporting, and a filter plate I and a filter plate II arranged on the base, and the filter plate I is positioned at the bottom of the filter plate II and is used for forming a multi-layer filter assembly; the base comprises a circular ring, a flange is arranged on the inner side of the circular ring, and the top of the flange is matched with a filtering assembly composed of a first filtering plate and a second filtering plate; the filter plate I comprises a plate body I, and one or more filter holes which are uniformly formed at intervals are formed in the plate body I; the filter plate I and the filter plate II form a multi-layer filter assembly, different filter hole designs realize graded filtration of spent grains, and the filter plate I and the filter plate II are staggered and stacked to form a uniform filter layer, so that a wort filter path is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to beer saccharification technical field, concretely is a kind of sieve plate for beer saccharification solid-liquid separation. BACKGROUND

[0002] In the solid-liquid separation link after beer saccharification process, malt shell is mainly in filter equipment, and filter tank is a large flat-bottomed cylindrical container. When solid-liquid separation is carried out, malt shell is evenly laid on the sieve plate of filter tank together with saccharified spent grain. Sieve plate is usually located at the bottom of filter tank, and there are many small holes on it, which can allow wort to pass through, but will intercept malt shell and other solid particles. Malt shell will naturally accumulate to form a certain thickness of filter layer here, and when wort that is completed saccharification is pumped into filter tank, solid materials such as malt shell will gradually deposit on the sieve plate. With the addition of more wort and standing for a period of time, malt shell will interweave and accumulate, forming a filter layer with certain pore structure.

[0003] And the sieve plate carries the malt shell, and the opening rate of the sieve plate is an important factor affecting the filtering efficiency of the sieve plate. If the opening rate is too low, the flow rate of wort through the sieve plate will be slow, the solid-liquid separation time will be prolonged, and the production efficiency will be reduced. However, if the opening rate is too high, although the filtration speed will be improved, the spent grain is easy to block the sieve hole, and the uniform filter layer of malt shell is not easy to appear, and the use of multiple filter plates is also easy to cause the malt shell and the spent grain to be embedded in the gap between multiple filter plates, and the cleaning difficulty is large. The existing cleaning equipment and method may not completely remove the dirt inside the sieve plate, and therefore, the present application provides a sieve plate for beer saccharification solid-liquid separation. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a sieve plate for beer saccharification solid-liquid separation, which solves the problems that malt shell is easy to accumulate in the gap on the sieve plate of the prior art and the uniformity is not high enough, and the cleaning is not thorough enough.

[0005] The sieve plate for beer saccharification solid-liquid separation of the utility model, including the base for supporting and the filter plate one and the filter plate two arranged on the base, the filter plate one is located at the bottom of the filter plate two, for forming a multilayer filter assembly;

[0006] The base includes a circular ring, the inner side of the circular ring is provided with a flange, and the top of the flange is matched with the filter assembly composed of the filter plate one and the filter plate two;

[0007] The filter plate one includes a plate body one, and one or more uniformly spaced filter holes are arranged at the plate body one;

[0008] The filter plate two includes a plate body two, and one or more combination holes are arranged at the plate body two in a uniform interval;

[0009] As a further improvement of the utility model, the middle part of the top of the plate body one is provided with a positioning block for positioning the filter plate two, the diameter of the plate body two is smaller than that of the plate body one, and the middle part of the bottom is provided with a cleaning assembly matched with the positioning block.

[0010] As a further improvement of the utility model, the top of the inner flange of the ring is provided with a ring groove close to the inner side of the ring, and the ring groove is matched with the filter plate one.

[0011] As a further improvement of the utility model, the inner side of the ring is provided with an installation area outside the flange for filtering the target object in cooperation with the filter plate one.

[0012] As a further improvement of the utility model, the outer side of the plate body one of the filter plate one is provided with an inclined edge at a preset angle, and the bottom of the plate body one is provided with a boss matched with the ring groove.

[0013] As a further improvement of the utility model, the top of the plate body two is provided with a positioning hole at the cleaning assembly for communicating with the cleaning assembly.

[0014] As a further improvement of the utility model, the bottom of the plate body two is provided with an installation groove arranged in a ring shape, and the inner side of the installation groove is provided with an air bag ring for sealing in cooperation with the plate body one.

[0015] As a further improvement of the utility model, the filter plate one and the filter plate two are arranged in a staggered stack for forming a uniform filter layer.

[0016] As a further improvement of the utility model, the cleaning assembly comprises a cleaning ring, and the bottom of the cleaning ring is provided with a fitting hole matched with the positioning block.

[0017] As a further improvement of the utility model, the bottom of the cleaning ring is provided with a sealing ring outside the fitting hole for damping positioning in cooperation with the positioning block.

[0018] As a further improvement of the utility model, the outer side of the cleaning ring is provided with one or more spray areas arranged in a ring array, and the spray areas are provided with one or more spray holes arranged at uniform intervals for flushing the gap between the plate body one and the plate body two.

[0019] Compared with the prior art, the utility model has the beneficial effects as follows:

[0020] The filter plate one and the filter plate two form a multi-layer filter assembly, different filter holes realize graded filtering of the spent grains, and the filter plate one and the filter plate two are arranged in a staggered stack to form a uniform filter layer, and the wort filtering path is optimized.

[0021] The flange of the base is matched with the filter assembly, and the filter assembly is provided with stable support, so that the sieve plate is not deformed and displaced when bearing the pressure of wort and the weight of spent grain, and the solid-liquid separation process is ensured to be smoothly carried out;

[0022] Meanwhile, the bottom fitting hole of the cleaning ring is matched with the positioning block, the outer sealing ring realizes damping positioning, the cleaning assembly is accurately installed and stably fixed, the normal process is not disturbed in the filtering process, and the spraying holes in the spraying area of the outer side of the cleaning ring can uniformly spray hot water or cleaning liquid at high speed to the gap between the first plate body and the second plate body, so that the accumulated spent grain and impurities are completely removed, and the cleaning effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0024] Figure 1 It is a combined perspective structural schematic view of the base, the first filter plate and the second filter plate of the utility model;

[0025] Figure 2 It is a combined overhead structural schematic view of the base, the first filter plate and the second filter plate of the utility model;

[0026] Figure 3 It is a combined front view structural schematic view of the base, the first filter plate and the second filter plate of the utility model;

[0027] Figure 4 It is a combined structural schematic view of the base and the first filter plate of the utility model;

[0028] Figure 5 It is a combined structural schematic view of the first filter plate and the second filter plate of the utility model;

[0029] Figure 6 It is a combined overhead structural schematic view of the base, the first filter plate and the second filter plate of the utility model;

[0030] Figure 7 It is a combined front view structural schematic view of the base, the first filter plate and the second filter plate of the utility model;

[0031] In the drawings: 1, base; 2, first filter plate; 3, second filter plate;

[0032] 11, circular ring; 12, flange; 13, ring groove; 14, installation area;

[0033] 21, inclined edge; 22, first plate body; 23, filter hole; 24, boss; 25, positioning block;

[0034] 31, plate body two; 32, positioning hole; 33, mounting groove; 34, combined hole; 35, cleaning assembly; 36, air bag ring;

[0035] 351, cleaning ring; 352, sealing ring; 353, fitting hole; 354, spraying area; 355, spraying hole. DETAILED DESCRIPTION

[0036] The following will disclose a plurality of embodiments of the present application with drawings. For the purpose of clear illustration, many details of the embodiments will be described in the following description. However, it should be understood that these details of the embodiments should not be used to limit the present application. That is, in some embodiments of the present application, these details of the embodiments are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be drawn in a simple schematic manner in the drawings.

[0037] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope required by the present application.

[0038] Please refer to Figures 1-7 In the solid-liquid separation process after beer saccharification, the filter tank is a key equipment, which is a large flat bottom cylindrical container. The malt shell and the saccharified spent grain are evenly laid on the sieve plate at the bottom of the filter tank. When the wort liquid that has completed saccharification is pumped into the filter tank, the solid substances such as malt shell are deposited on the sieve plate. With the continuous addition and standing of the wort liquid, the malt shell interweaves and accumulates to form a filter layer with a certain pore structure. This filter layer can retain the malt shell and other solid particles, and let the wort pass through, realizing solid-liquid separation. Too high opening rate will make the spent grain easily block the sieve hole, and is not conducive to the formation of uniform filter layer of malt shell. In addition, if multiple filter plates are used, the malt shell and the spent grain are also easy to be embedded in the gap of the multiple filter plates, which brings difficulties to the subsequent cleaning work. Due to the accumulation of the malt shell and the spent grain on the sieve plate and the possible embedding in the gap of the multiple filter plates, dirt will be left inside the sieve plate. The existing cleaning equipment and method cannot completely remove these dirt. Based on this, the present application provides a possible embodiment, which is a sieve plate for beer saccharification solid-liquid separation, comprising a base 1 for supporting and a filter plate one 2 and a filter plate two 3 arranged on the base 1, the filter plate one 2 is located at the bottom of the filter plate two 3, for forming a multi-layer filter assembly;

[0039] The base 1 comprises a circular ring 11, the inner side of the circular ring 11 is provided with a flange 12, the top of the flange 12 is matched with the filter assembly composed of the filter plate one 2 and the filter plate two 3;

[0040] The filter plate 1 2 comprises a plate body 1 22, and one or more filter holes 23 are evenly arranged on the plate body 1 22;

[0041] The filter plate 2 3 comprises a plate body 2 31, and one or more combination holes 34 are evenly arranged on the plate body 2 31.

[0042] The middle part of the top of the plate body 1 22 is provided with a positioning block 25 for positioning the filter plate 2 3, the diameter of the plate body 2 31 is smaller than that of the plate body 1 22, and the bottom middle part is provided with a cleaning assembly 35 matched with the positioning block 25.

[0043] First, prepare the base 1, place the filter plate 1 2 on the top of the flange 1 2, and the plate body 1 22 of the filter plate 1 2 is also made of stainless steel, and a plurality of filter holes 23 are evenly arranged on the top of the filter plate 1 2. The filter holes 23 have smooth hole walls, which can effectively reduce the resistance of wort flow.

[0044] Then, place the filter plate 2 3 on the filter plate 1 2. The diameter of the plate body 2 31 of the filter plate 2 3 is slightly smaller than that of the plate body 1 22, which is convenient for positioning and installation.

[0045] The positioning block 25 in the middle part of the top of the filter plate 1 2 is cylindrical, when the filter plate 2 3 is installed on the filter plate 1 2, the positioning block 25 is just inserted into the sleeve of the cleaning assembly 35, after the filtration is completed, when the later cleaning of the sieve plate is needed, hot water is connected, and the gap between the plate body 1 22 and the plate body 2 31 can be cleaned by using the cleaning assembly 35;

[0046] Install the assembled sieve plate to the bottom of the filter tank. After the wort of saccharification is pumped into the filter tank, the solid substances such as malt shell and spent grain gradually precipitate on the sieve plate. The wort first passes through the combination holes 34 of the filter plate 2 3, the shape of the combination holes 34 can preliminarily screen and intercept the spent grain, and some larger spent grain particles are blocked above the filter plate 2 3. Then the wort continues to pass through the filter holes 23 of the filter plate 1 2, further removes the fine impurities, and realizes the solid-liquid separation. In this process, the multi-layer filter assembly plays a good filtering effect, so that the obtained wort is more clear.

[0047] By setting the filter plate 1 2 and the filter plate 2 3 to form a multi-layer filter assembly, different filter holes 23 can be designed to perform graded filtration on the spent grain. The combination holes 34 of the filter plate 2 3 can preliminarily intercept larger spent grain particles, and the filter holes 23 of the filter plate 1 2 can further remove fine impurities, which greatly improves the clarity of the wort and provides high-quality wort raw materials for subsequent beer brewing process.

[0048] The positioning block 25 on the filter plate 1 2 cooperates with the cleaning assembly 35 at the bottom of the filter plate 2 3, which not only ensures that the filter plate 2 3 is accurately installed on the filter plate 1 2, guarantees the stability of the multi-layer filter assembly, but also is convenient and fast during installation, improves the assembly efficiency.

[0049] The cleaning assembly 35 can clean the positioning block 25 during the filtration process, prevent impurities from accumulating, reduce the impact of the positioning block 25 being blocked or impurities accumulating on the normal use of the screen plate, prolong the service life of the screen plate, and also reduce maintenance costs.

[0050] The flange 12 of the base 1 is adapted to the filtration assembly, providing stable support for the filtration assembly, ensuring that the screen plate does not deform or shift when subjected to the pressure of the wort and the weight of the spent grain, ensuring the smooth progress of the solid-liquid separation process.

[0051] The inner flange 12 of the circular ring 11 has a ring groove 13 at the top of the inner side of the circular ring 11, which is adapted to the filter plate 2.

[0052] The inner side of the circular ring 11 has a mounting area 14 outside the flange 12, which is used to cooperate with the filter plate 2 to filter out target objects.

[0053] The outer side of the plate body 22 of the filter plate 2 is provided with an inclined edge 21 at a predetermined angle, and the bottom of the plate body 22 is provided with a boss 24 which is adapted to the ring groove 13.

[0054] The top of the plate body 31 is provided with a positioning hole 32 at the cleaning assembly 35, which is used to communicate with the cleaning assembly 35.

[0055] The bottom of the plate body 31 is provided with a mounting groove 33 in the form of a ring, and the inner side of the mounting groove 33 is provided with an air bag ring 36, which is used to cooperate with the plate body 22 to achieve sealing.

[0056] The filter plate 2 and the filter plate 3 are arranged in a staggered stack, which is used to form a uniform filter layer.

[0057] When the wort after saccharification is pumped into the filter tank, solid substances such as malt husks and spent grain gradually precipitate on the screen plate. Because the filter plate 2 and the filter plate 3 are arranged in a staggered stack, a uniform filter layer is formed, and the wort passes through the combined hole 34 of the filter plate 3 first. The unique shape of the combined hole 34 can preliminarily screen and retain the spent grain, and some larger spent grain particles are blocked above the filter plate 3. Then the wort continues to pass through the filter hole 23 of the filter plate 2, further removing fine impurities, achieving efficient solid-liquid separation.

[0058] During the entire filtration process, the slanted edge 21 on the outer side of the filter plate one 2 guides the wort to be evenly distributed, making it flow more smoothly through the sieve plate and improving the filtration efficiency. At the same time, the air bag ring 36 between the plate body one 22 and the plate body two 31 is sealed well, preventing the wort from leaking between the two layers of filter plates and ensuring the stability of the filtration effect. The cleaning assembly 35 communicates with the outside through the positioning hole 32, and when cleaning is needed, hot water or cleaning liquid can be easily accessed to clean the gaps of the plate body one 22 and the plate body two 31 and other parts such as the positioning block 25.

[0059] The ring groove 13 on the flange 12 inside the circular ring 11 of the base 1 is matched with the boss 24 at the bottom of the filter plate one 2, ensuring that the filter plate one 2 can be accurately installed on the base 1, improving the precision and stability of the sieve plate assembly. This installation method makes the sieve plate stable in structure when bearing the pressure of the wort and the weight of the spent grain, and is not easy to shift or deform, ensuring the smooth progress of the solid-liquid separation process.

[0060] The slanted edge 21 on the outer side of the filter plate one 2 not only plays a guiding role during installation, making it easy for workers to quickly and accurately install the filter plate, but also helps the wort to be evenly distributed during use, avoiding the problem of uneven filtration caused by excessive local pressure, further improving the filtration efficiency and stability of the sieve plate.

[0061] The air bag ring 36 in the installation slot 33 at the bottom of the filter plate two 3 is deformed by extrusion when the plate body one 22 and the plate body two 31 are installed, achieving good sealing effect. This effectively prevents the wort from leaking between the two layers of filter plates, avoids the unfiltered wort from mixing with the filtered wort, and ensures the quality of the wort and the stability of the filtration effect. At the same time, good sealing performance also reduces the waste of wort and improves the economic benefits of beer brewing.

[0062] The filter plate one 2 and the filter plate two 3 are arranged in a staggered stack, forming a uniform filtration layer. This design allows the wort to be filtered multiple times when passing through the sieve plate, greatly improving the clarity of the wort. It provides high-quality wort raw materials for subsequent beer brewing processes, which helps to improve the quality of beer.

[0063] The different designs of the combination hole 34 of the filter plate two 3 and the filter hole 23 of the filter plate one 2 respectively intercept larger and smaller spent grain particles, achieving the effect of fractional filtration and further optimizing the filtration process, improving the filtration efficiency and quality.

[0064] The positioning hole 32 on the top of the second plate body 31 is connected with the cleaning assembly 35. When the screen plate needs to be cleaned, hot water or cleaning liquid can be conveniently accessed to clean the gaps of the first plate body 22 and the second plate body 31 and the positioning block 25 and other parts. This not only improves the cleaning efficiency, but also can more thoroughly remove the dirt inside the screen plate, reduces the influence of impurity residues on the service life and filtering effect of the screen plate, and reduces the maintenance cost.

[0065] The cleaning assembly 35 includes a cleaning ring 351, and the bottom of the cleaning ring 351 is provided with a fitting hole 353 matched with the positioning block 25.

[0066] The bottom of the cleaning ring 351 is provided with a sealing ring 352 outside the fitting hole 353, which is used to cooperate with the positioning block 25 to achieve damping positioning.

[0067] The outer side of the cleaning ring 351 is provided with one or more annular array arranged spray areas 354, and one or more uniformly spaced spray holes 355 are arranged at the spray areas 354, which are used to flush the gap between the first plate body 22 and the second plate body 31.

[0068] A soft rubber sealing ring 352 is installed at the bottom of the cleaning ring 351 outside the fitting hole 353. When the cleaning ring 351 is sleeved on the positioning block 25, the sealing ring 352 is extruded and tightly matched with the surface of the positioning block 25. This matching not only achieves damping positioning, so that the cleaning ring 351 will not easily shake or shift during normal use, but also plays a certain sealing role to prevent wort or impurities from seeping in from the connection between the cleaning ring 351 and the positioning block 25.

[0069] The assembled screen plate is installed in the beer saccharification and filtration tank. After the wort of the saccharification is pumped into the filtration tank, the solid substances such as malt shell and spent grain gradually accumulate on the screen plate. The wort first passes through the combined hole 34 of the second filter plate 3, and the larger spent grain particles are intercepted above the second filter plate 3;

[0070] Then the wort continues to pass through the filter hole 23 of the first filter plate 2 to further remove fine impurities and achieve solid-liquid separation. In this process, the cleaning ring 351 remains stable on the positioning block 25 with the flow of the wort and possible slight vibration, and does not interfere with the normal filtration process.

[0071] When a round of filtration is completed, the screen plate needs to be cleaned. Workers deliver hot water or cleaning liquid through the pipeline to the spray area 354 of the cleaning ring 351. The cleaning ring 351 is annularly arranged outside with a plurality of spray areas 354, and each spray area 354 is uniformly spaced with fine spray holes 355. Hot water or cleaning liquid is sprayed at high speed from the spray holes 355 to form dense water flow. These water flows directly flush the gap between the plate body one 22 and the plate body two 31 to flush out the spent grain and impurities accumulated in the gap. Since the spray holes 355 are uniformly distributed, they cover the gap between the plate body one 22 and the plate body two 31 as much as possible, reducing the occurrence of cleaning dead angles. At the same time, the damping positioning of the cleaning ring 351 on the positioning block 25 ensures its stability during the cleaning process, so that the sprayed water flow can accurately act on the parts that need to be cleaned.

[0072] The fitting hole 353 at the bottom of the cleaning ring 351 is adapted to the positioning block 25, and the sealing ring 352 outside realizes damping positioning, which ensures the accurate installation and stable fixation of the cleaning assembly 35 on the screen plate. During the filtration process, the cleaning ring 351 will not shake due to the flow of wort or vibration, avoiding interference with the normal filtration process and ensuring the stable operation of the screen plate filtration function.

[0073] The spray holes 355 of the spray area 354 outside the cleaning ring 351 are designed to spray hot water or cleaning liquid at high speed and uniformly into the gap between the plate body one 22 and the plate body two 31. This comprehensive and powerful flushing action can completely remove the spent grain and impurities accumulated in the gap, improving the cleaning effect of the screen plate and reducing the impact of impurity residues on the quality of subsequent filtration.

[0074] Regular use of the cleaning assembly 35 for effective cleaning of the screen plate can prevent problems such as screen plate blockage and corrosion caused by long-term accumulation of spent grain and impurities. This helps to prolong the service life of the screen plate, reduce equipment replacement costs, improve the economic benefits of beer brewing, and improve production efficiency.

[0075] The above only describes the embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A beer saccharification solid-liquid separation sieve plate, comprising a base (1) for support and a filter plate one (2) and a filter plate two (3) arranged on the base (1), the filter plate one (2) is located at the bottom of the filter plate two (3) for forming a multi-layer filter assembly; Characterized in that: The base (1) comprises a circular ring (11), the inner side of the circular ring (11) is provided with a flange (12), the top of the flange (12) is matched with the filter assembly composed of the filter plate one (2) and the filter plate two (3); The filter plate one (2) comprises a plate body one (22), one or more evenly spaced filter holes (23) are arranged at the plate body one (22); The filter plate two (3) comprises a plate body two (31), one or more evenly spaced combination holes (34) are arranged at the plate body two (31); The top middle of the plate body one (22) is provided with a positioning block (25) for positioning with the filter plate two (3), the diameter of the plate body two (31) is smaller than that of the plate body one (22), and the bottom middle is provided with a cleaning assembly (35) matched with the positioning block (25).

2. A lauter screen according to claim 1, wherein: The top of the inner side flange (12) of the circular ring (11) is provided with a ring groove (13) close to the inner side of the circular ring (11), and the ring groove (13) is matched with the filter plate one (2).

3. A lauter screen according to claim 1, wherein: The inner side of the circular ring (11) is provided with an installation area (14) outside the flange (12) for filtering target objects with the filter plate one (2).

4. A lauter screen according to claim 1, wherein: The outer side of the plate body one (22) of the filter plate one (2) is provided with an inclined edge (21) at a preset angle, the bottom of the plate body one (22) is provided with a boss (24), and the boss (24) is matched with the ring groove (13).

5. A lauter screen according to claim 1, wherein: The top of the plate body two (31) is provided with a positioning hole (32) at the cleaning assembly (35) for communicating the cleaning assembly (35).

6. A lauter screen according to claim 1, wherein: The bottom of the plate body two (31) is provided with an annular installation groove (33), and the inner side of the installation groove (33) is provided with an air bag ring (36) for sealing with the plate body one (22).

7. A lauter screen according to claim 1, wherein: The filter plate one (2) and the filter plate two (3) are arranged in a staggered stack for forming a uniform filter layer.

8. A lauter screen according to claim 1, wherein: The cleaning assembly (35) comprises a cleaning ring (351), the bottom of the cleaning ring (351) is provided with a fitting hole (353), and the fitting hole (353) is matched with the positioning block (25).

9. A lauter screen according to claim 8, wherein: The bottom of the cleaning ring (351) is provided with a sealing ring (352) outside the fitting hole (353) for damping positioning with the positioning block (25).

10. A lauter screen according to claim 8, wherein: The outer side of the cleaning ring (351) is provided with one or more annular array spray areas (354), and one or more evenly spaced spray holes (355) are arranged at the spray area (354) for flushing the gap between the plate body one (22) and the plate body two (31).

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