CN110819489A - Solid-state fermentation pit beneficial to improving quality of strong aromatic white spirit and pit building method thereof - Google Patents
Solid-state fermentation pit beneficial to improving quality of strong aromatic white spirit and pit building method thereof Download PDFInfo
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- CN110819489A CN110819489A CN201911233750.2A CN201911233750A CN110819489A CN 110819489 A CN110819489 A CN 110819489A CN 201911233750 A CN201911233750 A CN 201911233750A CN 110819489 A CN110819489 A CN 110819489A
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12G—WINE; PREPARATION THEREOF; ALCOHOLIC BEVERAGES; PREPARATION OF ALCOHOLIC BEVERAGES NOT PROVIDED FOR IN SUBCLASSES C12C OR C12H
- C12G3/00—Preparation of other alcoholic beverages
- C12G3/02—Preparation of other alcoholic beverages by fermentation
Abstract
The invention discloses a solid-state fermentation pit and a pit building method thereof, which are beneficial to improving the quality of the strong aromatic white spirit, and the pit building method comprises a pit wall and a pit bottom; the pool wall: the wall of the pool is made of mixed clay, bamboo strips are inserted into the mixed clay, the upper surface of the wall of the pool is provided with a brick structure, and the wall of the pool is provided with bamboo nails for winding hemp ropes; the bottom of the pool: the bottom of the pool is laid by yellow clay and is formed, be equipped with the slope mesa between bottom of the pool and the pool wall, bottom of the pool upper surface middle part is provided with the bottom of the pool mud stalk, and be the hillock type, this solid state fermentation cellar for storing things pond that helps improving the strong aromatic white spirit and produce wine quality, the reasonable setting of cellar for storing things pond wall slope does benefit to the adhering to and the maintenance of pool wall cellar for storing things mud, the area of contact of fermented grain unstrained spirits and cellar for storing things mud has been increased such as adjustment of cellar for storing things pond size, still have better waterproof, prevention of seepage, characteristics such as leak protection, be favorable to improving the stability that cellar for storing things pond.
Description
Technical Field
The invention relates to the technical field of wine making, in particular to a solid state fermentation pit and a pit building method thereof, which are beneficial to improving the quality of the strong aromatic Chinese spirits.
Background
The strong aromatic white spirit has high sale share in the white spirit market, is the most common type of the aromatic white spirit, is mainly distributed in Sichuan, Sulu Yu Wan and other areas, and has important influence on the development of the white spirit industry on the yield and quality. The main body fragrance ethyl caproate of the strong aromatic Chinese spirits is prepared by esterification reaction of caproic acid generated by caproic acid bacteria and ethanol generated in the fermentation process, and the caproic acid bacteria is used as an important functional microorganism in pit mud and plays an important role in forming the flavor of the strong aromatic Chinese spirits. The quality of the pit mud affects the quality of the strong aromatic Chinese spirits, and the quality of the pit mud not only depends on the physical and chemical indexes of the pit mud, but also depends on the types and the quantity of the beneficial pit mud functional bacteria in the pit mud, the metabolic capacity of the products and the reasonable proportion of the nutrient components. The quality of making of strong aromatic white spirit and the ageing and the maintenance of cellar mud are directly related to the excellence of cellar pool building, and traditional cellar pool that strong aromatic white spirit made and used, its defect and drawback mainly have: in the production process of the Luzhou-flavor liquor, the phenomena of pit mud falling and aging often occur in a pit, pit mud falling and mixing into fermented grains can cause mud odor of pit mud to be brought into the liquor during liquor distillation, and the quality and style of the Luzhou-flavor liquor are seriously influenced; the problems of breakage or collapse and the like of the pit wall between the adjacent pit pools exist, the yellow serofluid of the adjacent pit pools is communicated or underground water permeates into the pit pools to influence sealed fermentation and the like; the contact area of pit mud and grain mash is limited, the maintenance of pit mud, especially the maintenance of pit mud on the pool wall is complicated and difficult, and in the process of maintaining the pool wall by using caproic acid bacterial liquid, due to factors such as unreasonable slope design of the pool wall and the like, the caproic acid bacterial liquid is easy to cause over-fast downward flowing and cannot well permeate into the pit mud on the pool wall.
The Chinese invention patent CN 105695299B provides a highly flavored white spirit fermentation pit and a construction method thereof, wherein the pit adopts a hard brick with a pit with an opening at the top as a material for constructing the pit, a hollow cavity is arranged in a wall brick, and pit and cavity of the hard brick are filled with pit mud. This kind of strong aromatic white spirit fermentation jiao chi can reduce and play in a wretched state when playing in a wretched state instrument and operating personnel to the destruction and the damage of cellar for storing things mud, but the setting of stereoplasm brick has reduced the thickness of bottom of the pool cellar for storing things mud and the area that contacts with the grain unstrained spirits, is unfavorable for the adherence of cellar for storing things mud microorganism and inhabits and flourishes etc. has certain negative effects to the improvement of producing wine quality.
The Chinese invention patent CN102807949A discloses an ecological brewing Luzhou-flavor Daqu liquor cellar which is characterized in that bamboos are selected to be used as cellar wall tie bars for constructing a cellar pool, the cellar wall is environment-friendly, safe and corrosion-resistant, the built cellar wall is not easy to collapse, and the growth of cellar mud microorganisms and the aging of cellar mud are facilitated. Compared with the traditional pit, the pit disclosed by the invention has the advantages that the slope of the pit wall is adjusted, however, the contact area between fermented grains and pit mud in the pit of the pit is still limited, the pit wall is not constructed and treated correspondingly, the problems of difficult pit mud adhesion and maintenance and the like on the pit wall of the pit still exist, and the collection of the brewing yellow serofluid in the pit is not realized. According to the method, red silt, old pit bacteria liquid, yellow slurry water, wine tails and the like are selected as mixture materials and are uniformly mixed together to prepare pit wall mud, so that the physicochemical environment and microbial community of a newly-built pit reach the level of the old pit, the newly-built pit is quickly aged in a short time, although bamboo is used as pit wall tie bars, the problems of strength, permeation and the like of the wall between adjacent pits are not solved, and the problems of communication of the yellow slurry water between the adjacent pits, even collapse of the pit wall and the like can be caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a solid-state fermentation pit and a pit building method thereof, which are beneficial to improving the quality of the strong aromatic white spirit, wherein the reasonable arrangement of the slope of the pit wall is beneficial to the attachment and maintenance of pit mud on the pit wall, the adjustment of the size of the pit and the like increases the contact area between fermented grains and the pit mud, and the pit has the characteristics of better water resistance, seepage prevention, leakage prevention and the like, is beneficial to improving the stability of the brewing function of the pit and the quality of base wine, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a solid state fermentation pit beneficial to improving the quality of the strong aromatic Chinese spirits produced comprises a pit wall and a pit bottom;
the pool wall: the wall of the pool is made of mixed clay, bamboo strips are inserted into the mixed clay, the upper surface of the wall of the pool is provided with a brick structure, and the wall of the pool is provided with bamboo nails for winding hemp ropes;
the bottom of the pool: the bottom of the pool is paved by yellow clay, a slope table surface is arranged between the bottom of the pool and the wall of the pool, and the middle part of the upper surface of the bottom of the pool is provided with a mud stem at the bottom of the pool, and the mud stem is in a hill shape.
Further, still include the waterproof layer, the waterproof layer sets up respectively at the lower surface of yellow clay and mixed clay, and sets up in the inside of mixed clay, and the waterproof layer is the tarpaulin, can improve waterproof nature.
Further, still include the yellow water collecting pit, the yellow water collecting pit is seted up at the position that bottom of the pool both ends are close to the pool wall, and the internally mounted of yellow water collecting pit has the filter screen, is favorable to the collection and the processing of fermented yellow serofluid and the play pond and the accuse thick liquid operation of fermented grains.
Furthermore, the length of the pool wall is 3.0-3.2 m, the width of the pool wall is 1.4-1.6 m, the length of the pool bottom is 2.7-2.9 m, the width of the pool bottom is 1.1-1.3 m, the depth of the pool wall is 1.0-1.2 m, the contact area of fermented grains and pit mud is increased by adjusting the size of the pit pool, particularly the contact area of the fermented grains and pit mud at the pool bottom, and in the operation process of 'layered pool discharge and classified distillation', the proportion of the fermented grains in the middle-layer fermented grains contacting the pit mud is increased, so that the quality of wine is improved.
Further, the fermented grain fermentation pool further comprises pit mud, the pit mud covers the surfaces of the pool wall, the slope table surface, the pool bottom and the pool bottom mud stem of the fermentation pool, the contact area of the fermented grain and the pit mud is increased, particularly the contact area of the fermented grain and the pit mud at the pool bottom is increased, and the quality of wine is improved.
A cellar building method of a solid state fermentation cellar pool beneficial to improving the quality of the strong aromatic Chinese spirits, which comprises the following steps:
1) shearing hemp rope, wheat straw and the like into small sections about 0.05-0.1 m, proportionally mixing with clay, water and the like uniformly and stirring to trample and make the filler for ramming the pool wall, wherein the mixing proportion of hemp rope, wheat straw, clay, water and the like is 1-2: 1-2: 6-8: 3-5, arranging vertical bamboo strips and a vertical waterproof layer according to the design size of a pit, arranging a wall mold by using a clamping plate in the tamping process, refilling filler, tamping into a soil wall with the width of about 0.45-0.5 m and the height of about 0.3-0.4 m, building layers and compacting, placing horizontal bamboo strips on each layer, and finishing the tamped wall into an inverted trapezoid with the gradient of about 9-10 degrees and the width of the upper part and the width of the lower part after the tamped soil is hardened;
2) inserting bamboo sticks with the length of 0.1-0.2 m into the finished wall body at the interval of 0.15-0.2 m, enabling the exposed part to be about 0.08-0.1 m long, tightly winding the bamboo sticks on the adjacent rows of surfaces from bottom to top by using hemp ropes, winding 3 bamboo sticks between every upper row and every lower row into a regular triangle, and then plastering and building pit mud;
3) paving a waterproof layer at the bottom of the cellar, paving a layer of yellow clay with the thickness of 0.1-0.2 m, constructing a raised pond bottom mud stem in the middle position of the bottom of the cellar according to the steps 1) and 2), wherein the mud stem is in a hill shape, the height of the pond bottom mud stem is 0.2-0.3 m, constructing a slope table board at the periphery of the bottom of the cellar according to the steps 1) and 2), the height of the slope table board is 0.3-0.4 m, the width of the bottom of the slope table board is 0.2-0.3 m, and the slope gradient of the slope surface of the slope table board is about 9-10 degrees;
4) laying and leveling pit mud with the thickness of 0.16-0.2 m at the positions of the pit bottom, the pit bottom mud stems, the slope table surface and the like, and building a brick body structure at the edge of the top of the pit wall of the pit as a pit stem road.
Compared with the prior art, the invention has the beneficial effects that: this solid state fermentation jiao chi that helps improving strong aromatic white spirit and produce wine quality has following benefit:
1. hemp ropes, wheat straws, bamboo strips and the like are used as cellar building materials, wherein the hemp ropes, the wheat straws, the clay and the like are uniformly mixed with water and are stirred and trampled to be used as fillers for ramming the wall of the cellar, and the bamboo strips are used as tie bars of the wall of the cellar, so that the flexibility of the wall of the cellar is increased, the wall of the cellar is not easy to collapse, and the problems of breakage, collapse and the like of the wall of the cellar and the like are avoided; hemp ropes, wheat straws, bamboo strips and other cellar building auxiliary materials are environment-friendly, safe and corrosion-resistant, have good fusion with cellar mud microorganisms, and are beneficial to fermentation metabolites such as organic acids and esters to continuously enter cellar mud so as to achieve the purposes of 'cultivating cellar in vinasse, cultivating vinasse in cellar', and the like, and further promote the growth of cellar mud microorganisms, the aging of artificial cellar mud and the like.
2. The pit increases the contact area between fermented grains and pit mud, and is favorable for mutual migration of nutrients required by functional microorganisms in the pit mud and nutrients required by microorganisms in the fermented grains, evolution alternation of microbial flora in the fermented grains, dynamic balance of a microbial micro-ecological area system in the pit, and the like. The adjustment of the size of the fermentation pool, particularly the arrangement of the pool bottom mud stalk, the slope table surface and the like increases the contact area of fermented grains and the fermentation mud, particularly the contact area of the fermented grains and the fermentation mud of the fermentation pool bottom, improves the proportion of the fermented grains in contact with the fermentation mud in the middle layer in the operation process of 'layered pool discharge and classified distillation', and is favorable for improving the quality of wine production.
3. The slope of cellar for storing things pond pool wall sets up rationally, is favorable to the atomizer to spray cellar for storing things mud nutrient solution or caproic acid fungus liquid etc. enables cellar for storing things mud nutrient solution or caproic acid fungus liquid and soaks and permeate at the cell wall cellar for storing things mud surface, absorbs and does not run off, is convenient for to the maintenance of the cell wall cellar for storing things mud in cellar for storing things pond.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention.
In the figure: 1 pool wall, 2 pool bottoms, 3 pool bottom mud stalks, 4 slope table tops, 5 yellow water collecting pools, 6 bamboo strips, 7 waterproof layers, 8 yellow clay, 9 mixed clay, 10 bamboo nail winding hemp ropes, 11 brick body structures and 12 pit mud.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a solid state fermentation pit which is helpful for improving the quality of the strong aromatic Chinese spirits produced comprises a pit wall 1 and a pit bottom 2;
the pool wall 1: the pit wall 1 is built by mixed clay 9, bamboo strips 6 are inserted into the mixed clay 9, the bamboo strips arranged in the wall can enhance the structural force of the pit wall, a brick body structure 11 is arranged on the upper surface of the pit wall 1 and is convenient to walk, bamboo nails wound with hemp ropes 10 are arranged on the pit wall 1, the pit wall 1 is divided into two parts, the upper part accounts for 2/3 of the whole pit, the lower part accounts for 1/3 of the whole pit, and a horizontal slope table is arranged between the two parts;
the pool bottom 2: the pool bottom 2 is formed by paving yellow clay 8, a slope table surface 4 is arranged between the pool bottom 2 and the pool wall 1, and a pool bottom mud stalk 3 is arranged in the middle of the upper surface of the pool bottom 2 and is in a hill shape.
Still include waterproof layer 7, waterproof layer 7 sets up respectively at yellow clay 8 and mixed clay 9's lower surface, and sets up in the inside of mixed clay 9, and waterproof layer 7 is the tarpaulin, can improve waterproof nature.
Still include yellow water collecting pit 5, yellow water collecting pit 5 is seted up at 2 bottom both ends of bottom of the pool and is close to the position of pool wall 1, and the internally mounted of yellow water collecting pit 5 has the filter screen, is favorable to the collection and the processing of fermented yellow serofluid and the play pond and the accuse thick liquid operation of fermented grains.
The length of the pool wall 1 is 3.0-3.2 m, the width is 1.4-1.6 m, the length of the pool bottom 2 is 2.7-2.9 m, the width is 1.1-1.3 m, the depth of the pool wall 1 is 1.0-1.2 m, the contact area of fermented grains and pit mud is increased by adjusting the size of the pit pool, especially the contact area of the fermented grains and the pit mud 12, in the operation process of 'layered pit discharging and classified distillation', the proportion of the fermented grains in the middle layer contacting the pit mud is increased, and the quality of wine is improved.
Still include cellar for storing things mud 12, cellar for storing things mud 12 covers on the surface of the pool wall 1 of fermentation vat, slope mesa 4, bottom of the pool 2 and bottom of the pool mud stalk 3, has increased the area of contact of fermented grain and cellar for storing things mud, especially the area of contact of bottom of the pool grain and cellar for storing things mud 12, improves and produces wine quality.
A cellar building method of a solid state fermentation cellar pool beneficial to improving the quality of the strong aromatic Chinese spirits, which comprises the following steps:
1) shearing hemp rope, wheat straw and the like into small sections about 0.05-0.1 m, proportionally mixing with clay, water and the like uniformly and stirring to trample and make the filler for ramming the pool wall, wherein the mixing proportion of hemp rope, wheat straw, clay, water and the like is 1-2: 1-2: 6-8: 3-5, arranging vertical bamboo battens 6 according to the designed size of the cellar, arranging a vertical waterproof layer 7, arranging a wall mold by using a clamping plate in the tamping process, refilling filler, tamping into a soil wall with the width of about 0.45-0.5 m and the height of about 0.3-0.4 m, building tightly and tamping layer by layer, placing horizontal bamboo battens 6 on each layer, reinforcing the structural force of the cellar wall by using the bamboo battens arranged in the wall, finishing the tamped wall into an inverted trapezoid with the gradient of about 9-10 degrees and the wide top and the narrow bottom after the tamped soil is hardened, and reasonably arranging the gradient of the cellar wall to be beneficial to the attachment and maintenance of cellar mud on the cellar wall, particularly to the permeation of bacteria liquid from the cellar wall to the cellar wall by using caproic acid bacteria liquid for maintaining the cellar wall;
2) inserting bamboo sticks with the length of 0.1-0.2 m into the finished wall body at the interval of 0.15-0.2 m, enabling the exposed part to be about 0.08-0.1 m long, tightly winding the bamboo sticks on the adjacent rows of surfaces from bottom to top by using hemp ropes, winding 3 bamboo sticks between every upper row and every lower row into a regular triangle, and then smearing cellar mud 12 to play an important role in the adhesion of the cellar mud;
3) paving a waterproof layer 7 at the bottom of a cellar, paving a layer of yellow clay 8 of 0.1-0.2 m, constructing a raised pond bottom mud stem 3 at the middle position of the bottom 2 of the cellar according to steps 1) and 2), wherein the pond bottom mud stem is in a hill shape, the height of the pond bottom mud stem 3 is 0.2-0.3 m, constructing a slope platform surface 4 at the peripheral edge of the pond bottom 2 of the cellar according to steps 1) and 2), the height of the slope platform surface 4 is 0.3-0.4 m, the width of the bottom of the slope platform surface 4 is 0.2-0.3 m, the slope of the slope surface 4 is about 9-10 degrees, the contact area of fermented grains and the cellar mud is increased due to the arrangement of the pond bottom mud stem, the slope platform surface and the like, and the quality of wine is improved;
4) at cellar for storing things pond bottom of the pool 2, bottom of the pool mud stalk 3, the thick cellar for storing things mud 12 of 0.16 ~ 0.2m is laid and is trowelled to 4 equipotential positions of slope mesa, masonry brick body structure 1 at the edge at 1 top of cellar for storing things pond pool wall, as the pond stalk way, so that the play pond operation and the transportation of wine unstrained spirits, the waterproof material who lays between cellar for storing things pond bottom and the adjacent cellar for storing things pond, be favorable to preventing the yellow water of cellar for storing things pond and cellar for storing things between the pond and establish ties, and the peripheral infiltration of cellar for storing things pond system etc. to the adverse effect of grain unst.
The reasonable arrangement of the slope of the pit wall is beneficial to the attachment and maintenance of pit mud on the pit wall, the adjustment of the pit size and the like increases the contact area between fermented grains and the pit mud, and the pit has the characteristics of better water resistance, seepage prevention, leakage prevention and the like, and is beneficial to improving the stability of the brewing function of the pit and the quality of base liquor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a help improving solid state fermentation jiao chi that strong aromatic white spirit produced wine quality which characterized in that: comprises a pool wall (1) and a pool bottom (2);
pool wall (1): the pool wall (1) is formed by stacking mixed clay (9), bamboo strips (6) are inserted into the mixed clay (9), a brick body structure (11) is arranged on the upper surface of the pool wall (1), and a hemp rope (10) wound by bamboo nails is arranged on the pool wall (1);
pool bottom (2): the pool bottom (2) is formed by laying yellow clay (8), a slope table surface (4) is arranged between the pool bottom (2) and the pool wall (1), and a pool bottom mud stalk (3) is arranged in the middle of the upper surface of the pool bottom (2) and is in a hill shape.
2. The solid state fermentation pit helpful for improving the quality of Luzhou-flavor liquor production according to claim 1, is characterized in that: the waterproof layer (7) is arranged on the lower surfaces of the yellow clay (8) and the mixed clay (9) respectively and is arranged inside the mixed clay (9), and the waterproof layer (7) is waterproof cloth.
3. The solid state fermentation pit helpful for improving the quality of Luzhou-flavor liquor production according to claim 1, is characterized in that: still include yellow water collecting pit (5), set up in the position that bottom of the pool (2) both ends are close to pool wall (1) yellow water collecting pit (5), and the internally mounted of yellow water collecting pit (5) has the filter screen.
4. The solid state fermentation pit helpful for improving the quality of Luzhou-flavor liquor production according to claim 1, is characterized in that: the length of the pool wall (1) is 3.0-3.2 m, the width is 1.4-1.6 m, the length of the pool bottom (2) is 2.7-2.9 m, the width is 1.1-1.3 m, and the depth of the pool wall (1) is 1.0-1.2 m.
5. The solid state fermentation pit helpful for improving the quality of Luzhou-flavor liquor production according to claim 1, is characterized in that: the fermentation tank is characterized by further comprising pit mud (12), wherein the pit mud (12) covers the surfaces of the tank wall (1), the slope table surface (4), the tank bottom (2) and the tank bottom mud stalk (3) of the fermentation tank.
6. A cellar building method of a solid state fermentation cellar pool beneficial to improving the quality of the strong aromatic Chinese spirits is characterized by comprising the following steps: the method comprises the following steps:
1) shearing hemp rope, wheat straw and the like into small sections about 0.05-0.1 m, proportionally mixing with clay, water and the like uniformly and stirring to trample and make the filler for ramming the pool wall, wherein the mixing proportion of hemp rope, wheat straw, clay, water and the like is 1-2: 1-2: 6-8: 3-5, arranging vertical bamboo strips (6) and a vertical waterproof layer (7) according to the design size of the pit, arranging a wall mold by using a clamping plate in the tamping process, refilling filler, tamping into a soil wall with the width of about 0.45-0.5 m and the height of about 0.3-0.4 m, building and tamping layer by layer, placing transverse bamboo strips (6) on each layer, and finishing the tamped wall into an inverted trapezoid with the gradient of about 9-10 degrees and the wide top and the narrow bottom after the tamped soil is hardened;
2) inserting bamboo sticks with the length of 0.1-0.2 m into the finished wall body at the interval of 0.15-0.2 m, enabling the exposed part to be about 0.08-0.1 m long, tightly winding the bamboo sticks on the adjacent rows of surfaces from bottom to top by using hemp ropes, winding 3 bamboo sticks between every upper row and every lower row into a regular triangle, and then plastering and building pit mud (12);
3) paving a waterproof layer (7) at the bottom of the cellar, paving a layer of yellow clay (8) of 0.1-0.2 m, constructing a raised pond bottom mud stem (3) at the middle position of the cellar bottom (2) in reference to steps 1) and 2), forming a hill shape, wherein the height of the pond bottom mud stem (3) is 0.2-0.3 m, constructing a slope platform surface (4) at the periphery of the cellar bottom (2) in reference to steps 1) and 2), the height of the slope platform surface (4) is 0.3-0.4 m, the width of the bottom of the slope platform surface (4) is 0.2-0.3 m, and the slope gradient of the slope surface (4) is about 9-10 degrees;
4) the pit mud (12) with the thickness of 0.16-0.2 m is laid and leveled at the positions of the pit bottom (2), the pit bottom mud stem (3), the slope table top (4) and the like, and a brick body structure (1) is built at the edge of the top of the pit wall (1) to serve as a pit stem path.
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| CN113046204A (en) * | 2021-05-06 | 2021-06-29 | 五莲银河酒业有限公司 | Modification method for wall and capacity increase of brewing cellar pool |
| CN113789235A (en) * | 2021-09-06 | 2021-12-14 | 贵州董酒股份有限公司 | Novel method for manufacturing big cellar pool for brewing wine |
| CN115141698A (en) * | 2022-07-27 | 2022-10-04 | 四川江口醇隆鼎酒业有限公司 | Cellar-in-cellar fermentation container and cellar-in-cellar compound fermentation method |
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