CN113144651A - Alcohol distillation tower and alcohol distillation system - Google Patents
Alcohol distillation tower and alcohol distillation system Download PDFInfo
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- CN113144651A CN113144651A CN202110558494.5A CN202110558494A CN113144651A CN 113144651 A CN113144651 A CN 113144651A CN 202110558494 A CN202110558494 A CN 202110558494A CN 113144651 A CN113144651 A CN 113144651A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/001—Processes specially adapted for distillation or rectification of fermented solutions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/008—Liquid distribution
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to the technical field of chemical equipment, and discloses an alcohol distillation tower and an alcohol distillation system. This alcohol distillation tower includes the distillation column body, feed liquor pipe and first packing layer, the feed liquor pipe is used for leading-in distillation column body with outside raw materials, first packing layer sets up in distillation column body inside and is located the liquid outlet below of feed liquor pipe, first packing layer is formed by a plurality of liquid distributors, a plurality of liquid distributors top-down are pyramid structural distribution, be provided with a plurality of lower liquid holes on every liquid distributor, the base is provided with the dropping liquid sawtooth, wherein, the pyramid structure indicates in adjacent two-layer liquid distributor, the liquid distributor that is located the next floor is than the liquid distributor that is located the last floor more a liquid distributor, and the liquid distributor that is located the next floor sets up with the liquid distributor that is located the last floor is crisscross. The alcohol distillation tower is not easy to cause the blockage of the packing layer, and the quality and the yield of the wine are improved. The alcohol distillation system comprises the alcohol distillation tower, and is high in production efficiency and low in production cost.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to an alcohol distillation tower and an alcohol distillation system.
Background
The production method of the white spirit in the current market is to introduce fermented vinasse into a distillation tower, generate water vapor from the bottom of the distillation tower and distill and extract alcohol components and flavor components in the vinasse. In the distillation process, due to the heat exchange effect and the pushing effect of the water vapor at the bottom, alcohol components and aroma components in the vinasse are gradually enriched to form wine vapor, and the wine vapor ascends from the bottom of the tower to the top of the tower layer by layer, wherein the alcohol components are continuously concentrated, and meanwhile, a large amount of alcohol-soluble aroma components in the vinasse are continuously extracted along with the continuous concentration of the alcohol components. However, due to the structural limitation of the packing section in the existing distillation tower, the loose structure of the solid vinasse is not uniform, the local density is not uniform, the direction and power of the water vapor or the wine vapor passing from bottom to top are not stable, meanwhile, due to the manual operation factors, the vinasse steam pressing is too deep, namely, the water vapor or the wine vapor is located deep below the surface of the vinasse, so that the uniform diffusion and rising effect of the water vapor or the wine vapor are influenced, the phenomena of non-uniform steam passing in the distillation tower, unstable power of steam passing and too fast or too slow local steam passing are easily caused in all the situations, so that the ideal state of uniformly enriching and extracting the aroma of the alcohol component layer by layer is not achieved, the problems of low alcohol content, low aroma extraction efficiency, large aroma component and great foreign flavor in the wine and the like are caused, and the yield and the quality of the wine are seriously influenced.
Disclosure of Invention
Based on the above, the invention aims to provide an alcohol distillation tower and an alcohol distillation system, which are not easy to cause the blockage of a packing layer, ensure that vinasse is distributed, wine steam is uniformly and stably diffused, and improve the quality and the yield of wine.
In order to achieve the purpose, the invention adopts the following technical scheme:
an alcohol distillation tower, comprising a distillation tower body, further comprising:
a liquid inlet pipe for introducing an external raw material into the distillation column body;
the first packing layer is arranged in the distillation tower body and is positioned below the liquid outlet of the liquid inlet pipe, the first packing layer is formed by a plurality of liquid distributors, the plurality of liquid distributors are distributed in a pyramid structure from top to bottom, each liquid distributor is provided with a plurality of liquid outlet holes, and the bottom edge of each liquid distributor is provided with liquid dropping sawteeth;
the pyramid structure is characterized in that in two adjacent layers of the liquid distributors, the liquid distributor at the next layer is one more than the liquid distributor at the previous layer, and the liquid distributors at the next layer and the liquid distributors at the previous layer are arranged in a staggered manner.
As a preferable scheme of the alcohol distillation tower, the liquid distributors with the same number as that of the bottom layer of the pyramid structure are also arranged below the pyramid structure.
As a preferable scheme of the alcohol distillation tower, the top end of the liquid distributor positioned at the lower layer is connected with the bottom edge of the liquid distributor positioned at the upper layer.
As a preferable embodiment of the alcohol distillation column, the liquid distributor includes:
the flow guide surface is provided with a plurality of liquid discharge holes; and
the downstream skirt edge is connected to the bottom edge of the flow guide surface, a cavity is formed between the downstream skirt edge and the flow guide surface, and the liquid dropping sawteeth are uniformly distributed along the bottom edge of the downstream skirt edge;
wherein, the flow guide surface gradually increases in cross-sectional area from top to bottom.
As a preferable scheme of the alcohol distillation tower, the flow guide surface is a conical surface or a pyramid surface.
As a preferable mode of the alcohol distillation tower, the concurrent skirts of the liquid distributor positioned between two adjacent liquid distributors in the same layer are seamlessly connected.
As a preferred scheme of the alcohol distillation tower, the tooth height of the dropping liquid sawtooth ranges from 1.9cm to 2.1cm, the tooth pitch ranges from 1.9cm to 2.1cm, the liquid discharge holes are round holes, the diameter of each round hole ranges from 0.9cm to 1.1cm, and the distance between every two adjacent round holes ranges from 1.9cm to 2.1 cm.
As a preferable scheme of the alcohol distillation tower, a second packing layer is further arranged in the distillation tower body, and the second packing layer is arranged above the first packing layer.
As a preferable scheme of the alcohol distillation tower, the second packing layer comprises a packing frame and a packing block, and the packing block is fixedly arranged in the packing frame.
An alcohol distillation system, comprising the alcohol distillation tower of any one of the above technical schemes.
The invention has the beneficial effects that:
the invention provides an alcohol distillation tower which comprises a distillation tower body, a liquid inlet pipe and a first packing layer, wherein the first packing layer is formed by a plurality of liquid distributors distributed in a pyramid structure from top to bottom, each liquid distributor is provided with a plurality of lower liquid holes uniformly distributed, and the bottom edge of each liquid distributor is provided with liquid dropping sawteeth. The raw materials enter the distillation tower body through the liquid inlet pipe, and the raw materials uniformly flow downwards from the liquid outlet of the liquid inlet and fall into the bottom of the tower through the first packing layer. In the process, as the liquid distribution device is provided with the liquid discharging holes, the part with lower concentration in the raw material is uniformly distributed downwards from the liquid discharging holes, the part with higher concentration flows downwards along the surface of the liquid distribution device, the raw material is not easy to block the first packing layer, frequent replacement or maintenance is not needed, and the raw material can be repeatedly utilized after being cleaned, so that the production efficiency can be improved and the production cost can be reduced; the raw materials flow down along the surface of the liquid distributor and then are uniformly distributed downwards along the dropping liquid sawteeth, so that the raw materials passing through each layer of liquid distributor are uniformly distributed, the distribution area of the raw materials in the distillation tower is maximized through the multiple layers of liquid distributors, and the raw materials are uniformly distributed at the same time, so that the gas-liquid heat-mass exchange is maximized, the enrichment and aroma-improving effects of alcohol components are improved, and the quality and the yield of wine are improved; meanwhile, the bottom pasting of the distillation tower bottom caused by uneven distribution of raw materials can be avoided, so that the production efficiency is influenced, products are damaged, and even the distillation tower is damaged.
The invention also provides an alcohol distillation system, which comprises the alcohol distillation tower. The alcohol distillation system has high production efficiency and low production cost; and the quality and the yield of the wine produced by the alcohol distillation system are higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a liquid distributor according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of an alcohol distillation column according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an alcohol distillation system provided by an embodiment of the present invention.
In the figure:
1. a distillation column body; 2. a liquid inlet pipe; 20. a shower head;
3. a first filler layer; 30. a liquid distributor; 31. a flow guide surface; 32. a downstream skirt edge; 301. a drain hole; 302. a liquid dropping sawtooth;
4. a second packing layer; 5. a primary wine groove; 6. a feed pump; 7. a heat exchanger; 8. a heater; 9. a tower top condenser; 10. a reflux control valve; 11. finished product wine tanks; 12. a delivery pump; 13. a feed regulating valve; 14. a flow meter; 15. a liquid level meter 16 and a foot-discharge regulating valve; 17. a wine foot groove; 18. a delivery pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 and fig. 2, the present embodiment provides an alcohol distillation tower, which includes a liquid inlet pipe 2 and a first packing layer 3, wherein the liquid inlet pipe 2 is used for guiding external raw materials into a distillation tower body 1, the first packing layer 3 is disposed inside the distillation tower body 1 and located below a liquid outlet of the liquid inlet pipe 2, the first packing layer 3 is formed by a plurality of liquid distributors 30, the plurality of liquid distributors 30 are distributed in a pyramid structure from top to bottom, each liquid distributor 30 is provided with a plurality of liquid discharge holes 301, and a bottom edge is provided with a sawtooth liquid drop 302. Specifically, the raw materials enter the distillation tower body 1 from the liquid inlet pipe 2 and then fall to the bottom of the tower, wine steam and water vapor are generated at the bottom of the tower, the wine steam and the water vapor move upwards and perform heat and mass exchange with the raw materials falling downwards, namely, the alcohol components and the aroma components are gradually enriched and concentrated. Raw materials enter the distillation tower body 1 through the liquid inlet pipe 2, and the raw materials uniformly fall into the bottom of the tower through the first packing layer 3 in the downward flowing process of the liquid outlet of the liquid inlet pipe 2, and because the first packing layer 3 is in a pyramid structure, the raw materials are uniformly distributed and dispersed through the liquid distributor 30 layer by layer and perform gas-liquid heat-mass exchange with wine steam, so that alcohol components and aroma components are gradually enriched. In the process, as the liquid distributor 30 is provided with the liquid discharging holes 301, the parts with lower concentration in the raw materials are uniformly distributed downwards from the liquid discharging holes 301, the parts with higher concentration flow downwards along the surface of the liquid distributor 30, the raw materials are not easy to block the first packing layer 3, frequent replacement or maintenance is not needed, and the raw materials can be repeatedly used after being cleaned, so that the production efficiency can be improved and the production cost can be reduced; the raw materials flow down along the surface of the liquid distributor 30 and then are uniformly distributed downwards along the dropping sawteeth 302, so that the raw materials passing through each layer of liquid distributor 30 are uniformly distributed, the distribution area of the raw materials in the distillation tower is maximized through the multiple layers of liquid distributors 30, and the raw materials are uniformly distributed at the same time, so that the gas-liquid heat-mass exchange is maximized, the enrichment and aroma-improving effects of alcohol components are improved, and the quality and the yield of the wine are improved; meanwhile, the bottom pasting of the distillation tower bottom caused by uneven distribution of raw materials can be avoided, so that the production efficiency is influenced, products are damaged, and even the distillation tower is damaged. It should be noted that the liquid distributors 30 are distributed in a pyramid structure from top to bottom, which means that in two adjacent layers of liquid distributors 30, the liquid distributor 30 in the next layer is one more liquid distributor 30 than the liquid distributor 30 in the previous layer, and the liquid distributors 30 in the next layer are staggered with the liquid distributors 30 in the previous layer. For example: the number of the liquid distributors 30 at the top layer is one, the number of the liquid distributors 30 at the second layer is two, the liquid distributors 30 at the top layer are positioned between the two liquid distributors 30 at the second layer, the number of the liquid distributors 30 at the third layer is three, and the two liquid distributors 30 at the second layer are respectively positioned between every two adjacent liquid distributors 30 at the third layer. By analogy, the number of layers and the number of layers of the liquid distributor 30 can be selected according to requirements.
Preferably, the liquid outlet of the liquid inlet pipe 2 faces downwards, and a spray header 20 is arranged at the liquid outlet, and the spray direction of the spray header 20 is arranged towards the bottom of the distillation tower. The shower head 20 sprays the raw material downward so that the raw material can be uniformly scattered toward the dispenser 30.
Preferably, the lower liquid holes 301 are circular holes, and the lower liquid holes 301 are uniformly distributed, so that the raw materials can be uniformly dropped downwards without causing blockage. More preferably, the diameter of the round hole ranges from 0.9cm to 1.1cm, and the distance between two adjacent round holes ranges from 1.9cm to 2.1 cm; the range of the tooth height of the dropping sawtooth 302 is 1.9cm-2.1cm, and the range of the tooth pitch is 1.9cm-2.1 cm. The diameter of round hole, the value of distribution interval and dropping liquid sawtooth 302's tooth height and tooth pitch are correlated with each other, and above-mentioned data are through many times of experiments, and the value can make raw materials distribution effect best when being above-mentioned value, and gas-liquid heat and mass exchange efficiency is the highest, and the wine output and the quality of output are the highest. Of course, in other embodiments, the diameter and the distribution distance of the circular holes and the tooth height and the tooth distance of the dropping teeth 302 can be designed according to the consistency of the raw material and the size of the distillation tower, so as to achieve the maximum production efficiency.
Preferably, the liquid distributors 30 are also arranged below the pyramid structure in the same number as the bottom layer of the pyramid structure. Optionally, one or more layers of liquid distributors 30 below the pyramid structure are axially opposite or offset from the pyramid structure. The raw materials are preferably axially opposite, when the raw materials are thick or more, the width of the distillation tower is limited, the raw materials are not completely uniformly distributed and scattered after being uniformly distributed by the liquid distributor 30 with the pyramid structure, and at the moment, one or more layers of liquid distributors 30 with the same number as the bottom layers of the pyramid structure are arranged below the pyramid structure, so that the raw materials can be uniformly distributed and scattered completely before falling into the bottom of the tower, the production efficiency is improved, and the bottom of the distillation tower is prevented from being burnt.
Further preferably, the top end of the liquid distributor 30 at the lower layer is connected with the bottom edge of the liquid distributor 30 at the lower layer. That is, there is no space between two adjacent liquid distributors 30, so that the raw materials can be more fully distributed on the liquid distributors 30, and the raw materials in the middle area are prevented from rapidly passing through the liquid distributors 30, and the purpose of expected gas-liquid exchange cannot be achieved.
Referring to fig. 1, the liquid distributor 30 includes a flow guide surface 31 and a downstream skirt 32, the flow guide surface 31 is provided with a plurality of the above-mentioned liquid discharge holes 301, the downstream skirt 32 is connected to the bottom edge of the flow guide surface 31, a cavity is formed between the downstream skirt 32 and the flow guide surface 31, and the liquid dropping sawteeth 302 are uniformly distributed along the downstream skirt 32, wherein the cross-sectional area of the flow guide surface 31 gradually increases from top to bottom. The raw materials flow downwards along the top of the guide surface 31, the raw materials with low concentration fall from the liquid falling holes 301, and the raw materials with high concentration naturally slide downwards along the guide surface 31 and uniformly fall downwards along the liquid dropping sawteeth 302 of the downstream skirt edge 32.
Specifically, the guide skirts of the liquid distributors 30 positioned between two adjacent liquid distributors in the same floor are seamlessly connected. The raw materials can be prevented from falling from the gap of the liquid distributor 30 between two adjacent liquid distributors and can not be dispersed and uniformly distributed. Optionally, the diversion surface 31 is a conical surface or a pyramidal surface, and in this embodiment, the diversion surface 31 is preferably a conical surface, so that the raw materials are uniformly distributed and are matched with the circular wall surface of the distillation tower, the gas-liquid heat-mass exchange area is increased, and the quality and the yield of the wine are improved.
Preferably, the flow guiding surface 31 and the downstream skirt 32 are made of metal material, so that the liquid distributor 30 has high thermal conductivity, which is beneficial to uniformly distribute heat, and can prevent the semi-fluid substance in the raw material from solidifying to block the lower liquid hole 301. In this embodiment, the flow guide surface 31 and the downstream skirt 32 are both made of copper, and the copper can play a certain catalytic role at a high temperature to generate some beneficial flavor components; meanwhile, the copper material can be combined with sulfur in the fermentation liquor to fix the sulfide, so that foreign odor in the wine is reduced; of course, in other embodiments, the flow guiding surface 31 and the downstream skirt 32 may be made of other metal materials.
Preferably, the flow guide surface 31 and the downstream skirt edge 32 are of an integrally formed structure, so that no welding point exists between the flow guide surface 31 and the downstream skirt edge 32, raw materials can smoothly fall down from the edge of the flow guide surface 31 along the downstream skirt edge 32, splashing of the raw materials is avoided, uneven distribution or splashing to the wall surface of the distillation tower to paste the wall surface is caused, and production efficiency is affected.
Referring to fig. 2, the alcohol distillation tower further comprises a second packing layer 4, the second packing layer 4 is arranged in the distillation tower body 1, and the second packing layer 4 is located above the liquid outlet of the liquid inlet pipe 2. The gas-liquid heat and mass exchange area of the second packing layer 4 is larger, and alcohol components and aroma components are continuously enriched and concentrated in the second packing layer 4 after the wine steam passes through the heat and mass exchange of the first packing layer 3 so as to reach the target concentration. Specifically, the second packing layer 4 includes a packing frame and a packing block, and the packing block is fixedly disposed in the packing frame. The alcohol distillation tower adopts the first packing layer 3 and the second packing layer 4 with different structures, so that raw materials are uniformly distributed and scattered in the first packing layer 3, bottom pasting is avoided, and preliminary stripping is carried out; then rectifying in the second packing layer 4 to obtain the target product.
As shown in fig. 3, the present embodiment also provides an alcohol distillation system, which includes the above alcohol distillation tower. Specifically, the alcohol distillation system further comprises a wine base 5, a feeding pump 6 and a heat exchanger 7 which are sequentially communicated through a pipeline, wherein the heat exchanger 7 is communicated with the side wall of the distillation tower through a liquid inlet pipe 2, and the heat exchanger 7 is also communicated with the bottom of the distillation tower through another pipeline; more specifically, the alcohol distillation system further comprises a heater 8, a tower top condenser 9, a reflux control valve 10 and a finished product wine tank 11, two ends of the heater 8 are respectively communicated with the bottom and the side wall of the distillation tower, an outlet of the heater 8 is positioned below the first packing layer 3, an inlet of the tower top condenser 9 is communicated with the top of the distillation tower, an outlet of the tower top condenser 9 is respectively communicated with the side wall of the top of the distillation tower and the finished product wine tank 11 through a pipeline, and the reflux control valve 10 is arranged in an outlet pipeline. Raw material wine enters a distillation tower after being preheated by a feed pump 6 through a heat exchanger 7 from a raw wine tank 5 and is uniformly distributed to the bottom of the distillation tower through a first packing layer 3, the raw material enters a heater 8 from the bottom of the distillation tower to be heated, the heated raw material enters the distillation tower, the raw material is heated by the heater 8 to ensure that low-boiling-point components are evaporated to be gaseous, low-boiling-point component gas upwards exchanges heat with the raw material in the first packing layer 3 in the distillation tower and exchanges heat, high-boiling-point components in the component gas are absorbed by the raw material, and low-boiling-point components in the raw material are absorbed by the low-boiling-point component gas; the low boiling point component gas continuously reaches the top of the distillation tower through the first packing layer 3, when the temperature at the bottom of the distillation tower reaches 95-97 ℃ and the temperature at the top of the distillation tower reaches 79-81 ℃, a valve of a condenser 9 at the top of the distillation tower is opened, meanwhile, a reflux control valve 10 is opened, the low boiling point component gas refluxes to the distillation tower every 9 seconds, and the rest finished products enter a finished product wine tank 11; the liquid refluxed into the distillation column falls downward and is subjected to heat-mass exchange with the rising low boiling point component in the second packing layer 4, thereby realizing rectification. More specifically, the alcohol distillation system further comprises a finished product wine storage tank and a discharge pump, wherein the finished product wine storage tank is communicated with the finished product wine tank 11 through a pipeline, the discharge pump is arranged in the pipeline, and products in the finished product wine tank 11 are conveyed to the finished product wine storage tank through the discharge pump to be stored.
Preferably, a flow meter 14 and a feed regulating valve 13 are arranged in the communication pipeline of the heat exchanger 7 and the distillation tower and used for detecting the flow of the raw material and controlling the flow of the raw material entering the distillation tower.
Further, this alcohol distillation system still includes level gauge 15, lees groove 17 and row's foot governing valve 16, and level gauge 15 sets up the liquid level height in the bottom of distillation column is arranged in detecting the distillation column, and lees groove 17 communicates in heat exchanger 7 through the pipeline, arranges foot governing valve 16 and sets up in the pipeline of heat exchanger 7 and distillation column bottom intercommunication for the break-make of control this pipeline. When the liquid level meter 15 detects that the raw material liquid level in the distillation tower is higher than a set value, the foot discharge regulating valve 16 is opened, and residual wine feet enter a wine foot groove 17 through the heat exchanger 7 and can be conveyed to a subsequent working section through a conveying pump 18. The lees exchange heat with the raw materials when passing through the heat exchanger 7, so that the raw materials are preheated, and meanwhile, the lees are cooled, so that heat is recycled, and energy consumption can be effectively reduced; when the liquid level meter 15 detects that the liquid level of the raw material in the distillation column is lower than a set value, the foot-regulating valve 16 is closed to replenish the raw material.
In this example, the alcohol distillation system was automatically controlled by a Distributed Control System (DCS) without manual intervention. The DCS is a new generation instrument control system based on a microprocessor and adopting a design principle of decentralized control function, centralized display operation, and consideration of division, autonomy and comprehensive coordination. It should be noted that the DCS system is a relatively mature prior art, and therefore, the details thereof are not repeated herein.
The alcohol distillation system provided by the embodiment achieves the target finished product wine by the stripping of the raw materials through the first packing layer 3 and the rectification of the raw materials through the second packing layer 4 through automatic control, and has high production efficiency and low production cost; and the quality and the yield of the finished wine produced by the alcohol distillation system are higher.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An alcohol distillation tower comprises a distillation tower body (1) and is characterized by further comprising:
a liquid inlet pipe (2) for introducing an external raw material into the distillation column body (1);
the first packing layer (3) is arranged in the distillation tower body (1) and is positioned below the liquid outlet of the liquid inlet pipe (2), the first packing layer (3) is formed by a plurality of liquid distributors (30), the plurality of liquid distributors (30) are distributed in a pyramid structure from top to bottom, each liquid distributor (30) is provided with a plurality of liquid outlet holes (301), and the bottom edge of each liquid distributor is provided with a liquid dropping sawtooth (302);
the pyramid structure is that in two adjacent layers of the liquid distributors (30), the liquid distributor (30) positioned at the next layer is provided with one more liquid distributor (30) than the liquid distributor (30) positioned at the previous layer, and the liquid distributors (30) positioned at the next layer and the liquid distributors (30) positioned at the previous layer are arranged in a staggered manner.
2. The alcohol distillation tower according to claim 1, wherein the pyramid-shaped structure is further provided with the same number of liquid distributors (30) below as the bottom layer of the pyramid-shaped structure.
3. The alcohol distillation tower according to claim 1, wherein the top end of the liquid distributor (30) located at the lower layer is connected to the bottom edge of the liquid distributor (30) located at the upper layer.
4. The alcohol distillation column according to claim 1, wherein the liquid distributor (30) comprises:
the flow guide surface (31), a plurality of liquid discharge holes (301) are arranged on the flow guide surface (31); and
the downstream skirt edge (32) is connected to the bottom edge of the flow guide surface (31), a cavity is formed between the downstream skirt edge (32) and the flow guide surface (31), and the liquid dropping sawteeth (302) are uniformly distributed along the bottom edge of the downstream skirt edge (32);
wherein, the cross-sectional area of the flow guide surface (31) is gradually increased from top to bottom.
5. The alcohol distillation column according to claim 4, wherein the flow guide surface (31) is provided as a cone or pyramid.
6. The alcohol distillation column as claimed in claim 4, wherein the downstream skirts (32) of the distributors (30) located between adjacent two of the same layer are seamlessly connected.
7. The alcohol distillation tower according to claim 1, wherein the tooth height of the dropping sawtooth (302) ranges from 1.9cm to 2.1cm, the tooth pitch ranges from 1.9cm to 2.1cm, the liquid discharge holes (301) are round holes, the diameter of each round hole ranges from 0.9cm to 1.1cm, and the distance between every two adjacent round holes ranges from 1.9cm to 2.1 cm.
8. The alcohol distillation column according to claim 1, further comprising:
the second packing layer (4) is arranged in the distillation tower body (1), and the second packing layer (4) is positioned above the liquid outlet of the liquid inlet pipe (2).
9. The alcohol distillation column according to claim 8, wherein the second packing layer (4) comprises a packing frame and packing blocks, the packing blocks being fixedly arranged in the packing frame.
10. An alcohol distillation system comprising the alcohol distillation column according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558494.5A CN113144651A (en) | 2021-05-21 | 2021-05-21 | Alcohol distillation tower and alcohol distillation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558494.5A CN113144651A (en) | 2021-05-21 | 2021-05-21 | Alcohol distillation tower and alcohol distillation system |
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| CN113144651A true CN113144651A (en) | 2021-07-23 |
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| CN202110558494.5A Pending CN113144651A (en) | 2021-05-21 | 2021-05-21 | Alcohol distillation tower and alcohol distillation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114958534A (en) * | 2022-06-20 | 2022-08-30 | 劲牌有限公司 | Solid-state Xiaoqu liquor distillation quality-improving and impurity-removing device and process |
-
2021
- 2021-05-21 CN CN202110558494.5A patent/CN113144651A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114958534A (en) * | 2022-06-20 | 2022-08-30 | 劲牌有限公司 | Solid-state Xiaoqu liquor distillation quality-improving and impurity-removing device and process |
| CN114958534B (en) * | 2022-06-20 | 2023-07-25 | 劲牌有限公司 | Solid small Qu Baijiu distillation quality improvement and impurity removal device and process |
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