CN217828921U - Low-temperature vacuum distillation device - Google Patents

Abstract

The application discloses low temperature vacuum distillation device, belong to food machinery equipment technical field, a low temperature vacuum distillation device for providing a volume expansion can carry out, including heating the bucket, the distillation column, rectifying column festival and fragrant adding rectifying column, the heating barrel covers the outside at the distillation column, the outside of distillation column is provided with the negative pressure pump, the top of distillation column is connected with the water conservancy diversion arm, two pipelines of water conservancy diversion arm branching out are connected with the bottom of rectifying column festival and the top of fragrant adding rectifying column respectively, the lateral wall of distillation column still is connected with the high ester pipe, the other end of high ester pipe is connected with the bottom of fragrant adding rectifying column. The detachable condensation cage is designed for the distillation tower section, so that the volume of the distillation tower section can be flexibly expanded; through letting a pipeline of water cooling system directly be connected with the distillation column to the design valve body is controlled its break-make, accomplishes the back at the distillation task, utilizes the air negative pressure effect, and the comdenstion water aligns the inner wall and washes in getting into the distillation column, and more practical is convenient.

Description

Low-temperature vacuum distillation device

Technical Field

The application relates to the technical field of food mechanical equipment, in particular to a low-temperature vacuum distillation device.

Background

Some wines with higher requirements on quality need distillation technology in the brewing process, the distillation process needs to be realized by heating the to-be-distilled object to boil and liquefying vapor generated by boiling in a condensing tank, a large amount of energy needs to be consumed in the process, in order to reduce energy consumption, a vacuum distillation method is adopted in a through groove in the prior art, the boiling point of the stock solution to be distilled is reduced by utilizing the low air pressure in a vacuum state, and the stock solution can be boiled to generate a large amount of vapor under the condition of lower temperature.

The existing low-temperature vacuum distillation device well realizes the functions, but the sealing requirement of the vacuum distillation device is higher, so that the structures of a plurality of vacuum distillation devices are all integrated, the work bearing capacity is determined, and the output of single distillation cannot be changed according to the actual production requirement.

Disclosure of Invention

An object of the present application is to provide a low-temperature vacuum distillation apparatus capable of expanding the volume.

To achieve the above objects, the present application provides a low temperature vacuum distillation apparatus: including heating barrel, distillation column, rectifying column festival and odorization rectifying column, the heating barrel covers the outside of distillation column, the outside of distillation column is provided with the negative pressure pump, the top of distillation column is connected with the water conservancy diversion arm, the water conservancy diversion arm branch go out two pipelines respectively with the bottom of rectifying column festival and the top of odorization rectifying column are connected, the lateral wall of distillation column still is connected with the high ester pipe, the high ester pipe is located the middle height department of distillation column, the high ester pipe with the hookup location of distillation column is higher than the inside maximum liquid level of predetermineeing of distillation column, the other end of high ester pipe with the bottom of odorization rectifying column is connected, rectifying column festival and odorization rectifying column all have bilayer structure for with water cooling system intercommunication, utilize the water-cooling effect to accelerate steam condensation liquefaction.

As an optimization, the rectifying column festival includes the great condensation cage of a volume and the less condensation cage of the unanimous volume of a plurality of specifications, and is a plurality of the condensation cage stacks together from bottom to top, and the volume is the biggest the condensation cage is located the top, but the condensation cage of split installation has realized vacuum distillation device to the coaxial demand of volume, every the lateral wall of condensation cage all is provided with window and temperature monitor for show the inside temperature situation of each condensation cage.

As a preferred, water cooling system includes cooling manifold, a plurality of cooling branch pipes extend on the cooling manifold, cooling branch pipe includes a plurality of first branch pipes, second branch pipe and third branch pipe, first branch pipe is used for respectively unanimous with the specification the inside interlayer intercommunication of condensation cage, the second branch pipe be used for with the volume the biggest the inside interlayer intercommunication of condensation cage, the third branch pipe is used for communicating with the inside interlayer of fragrant-adding rectifying column, constitutes the flow path of comdenstion water.

Preferably, the cooling branch pipe further comprises a fourth branch pipe, the fourth branch pipe is used for being communicated with the interior of the distillation tower, after a distillation task is finished, a valve on the fourth branch pipe is opened, and under the action of negative pressure, cleaning water in the condensation pipe can flush the inner wall of the distillation tower 2 to achieve quick cleaning.

Preferably, a first backflow end is arranged on the side wall of the condensation cage, a second backflow end is arranged on the side wall of the aroma-enhancing rectifying tower, and the first backflow end and the second backflow end are suitable for being communicated with a cooling liquid recovery end of the water cooling system and used for recycling cooling water and saving water resources.

Preferably, a heat exchange cavity is formed between the inner wall of the heating barrel and the outer side face of the distillation tower, a steam generator interface, a thermometer and an air exhaust end are arranged on the side wall of the heating barrel, the steam generator interface and the air exhaust end are communicated with the heat exchange cavity, a temperature detection probe of the thermometer extends into the distillation tower, and the temperature in the distillation tower is directly and accurately monitored.

Preferably, the distillation tower is provided with a perspective material injection end, a pressure gauge and a pressure relief valve on the side wall above the heating barrel, and a pressure detection probe of the pressure gauge extends to the inside of the distillation tower, so as to directly and accurately monitor the air pressure in the distillation tower.

Preferably, a wine outlet port extends from the bottom of each of the rectifying tower section and the aroma-enhancing rectifying tower section and is used for discharging fen-flavor wine and strong-flavor wine respectively.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The volume of the rectifying tower section can be expanded and changed relatively flexibly by designing the standard condensing cage which can be independently disassembled and assembled for the distilling tower section, and the distillation device can adjust the bearing capacity of a round of distillation stock solution according to the actual production requirement;

(2) Through letting a pipeline of water cooling system directly be connected with the distillation column to the design valve body is controlled its break-make, accomplishes the back at the distillation task, utilizes the air negative pressure effect, and the comdenstion water aligns the inner wall and washes in getting into the distillation column, under the condition that does not need extra auxiliary structure, has just realized the cleaning of equipment, and more practical is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the low-temperature vacuum distillation apparatus;

FIG. 2 is a front view of the cryogenic vacuum distillation apparatus;

FIG. 3 is a rear view of the cryogenic vacuum distillation apparatus;

FIG. 4 is an enlarged view of a portion of the cryogenic vacuum distillation apparatus at A of FIG. 3;

FIG. 5 is an enlarged view of a portion of the cryogenic vacuum distillation apparatus at B of FIG. 3;

FIG. 6 is a plan view of the low-temperature vacuum distillation apparatus.

In the figure: 1. heating the barrel; 2. a distillation column; 3. a flow guide arm; 4. a rectifying tower section; 401. a condensation cage; 402. a first reflux end; 5. a flavoring rectification tower; 501. a second return end; 6. a steam generator interface; 7. a liquor outlet; 8. a material injection end can be looked through; 9. a pressure gauge; 10. a thermometer; 11. an air discharge end; 12. a pressure relief valve; 13. a negative pressure pump; 14. a cooling manifold; 15. cooling the branch pipe; 151. a first branch pipe; 152. a second branch pipe; 153. a third branch pipe; 154. a fourth branch pipe; 16. a high ester conduit.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations and positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The low-temperature vacuum distillation device shown in fig. 1-6 comprises a heating barrel 1, a distillation tower 2, a distillation tower section 4 and an aroma-enhancing distillation tower 5, wherein raw material liquid to be distilled is stored in the distillation tower 2, the heating barrel 1 heats the raw material liquid in the distillation tower 2, the distillation tower section 4 and the aroma-enhancing distillation tower 5 are used for producing fen-flavor wine and strong-flavor wine with different aroma degrees, the heating barrel 1 is covered on the outer side of the distillation tower 2, a heat exchange cavity is formed between the inner wall of the heating barrel 1 and the outer side surface of the distillation tower 2 and serves as a main place for converting gaseous substances into liquid substances to release heat, a steam generator interface 6, a thermometer 10 and an air discharge end 11 are arranged on the side wall of the heating barrel 1, the steam generator interface 6 and the air discharge end 11 are communicated with the heat exchange cavity, steam is introduced through the steam generator interface 6, the heat released by spraying the steam to the outer wall of the distillation tower 2 with lower temperature after the steam enters the heat exchange cavity, the steam is changed from gaseous state into liquid state, the redundant gas discharged from the air 11 after the steam enters the heat exchange cavity, the temperature detection probe 10 extends to the distillation tower 2, and the condition that the distillation tower 2 is directly monitored, and the temperature is more accurately judged, and whether the vacuum distillation tower is more accurate or not.

A negative pressure pump 13 is arranged outside the distillation tower 2, the environment in the distillation tower 2 is close to vacuum through the air extraction effect, so that the temperature required by boiling and evaporation of the raw material liquid is reduced, a perspective material injection end 8, a pressure gauge 9 and a pressure release valve 12 are arranged on the side wall of the distillation tower 2 above the heating barrel 1, and the raw liquid to be distilled can be poured into the distillation tower 2 when the perspective material injection end 8 is opened; when the distillation tower is closed, the end cover of the perspective material injection end 8 is made of transparent toughened glass, so that a worker can conveniently observe the boiling and residual conditions of the raw material liquid in the distillation tower 2 from the outside, a pressure detection probe of the pressure gauge 9 extends into the distillation tower 2 and is used for directly monitoring the air pressure condition in the distillation tower 2 and judging whether the distillation tower 2 is in a proper vacuum state or not, and the pressure release valve 12 is opened after the whole distillation device completes the distillation task to release the negative pressure state of the distillation tower 2, so that the pressure difference between the inside and the outside of the distillation tower is reduced to be within a safety value range.

The top of the distillation tower 2 is connected with a diversion arm 3 for guiding the evaporated gas into a condensation tower, the diversion arm 3 is branched into two pipelines which are respectively connected with the bottom of a rectifying tower section 4 and the top of a flavoring rectifying tower 5, so that the evaporated gas gradually rises and liquefies in the rectifying tower section 4, and gradually falls and liquefies in the flavoring rectifying tower 5, an upward liquefying direction is opposite to the falling liquefied steam in the flavoring rectifying tower 5, so that the ester substance and the alcohol can be more fully mixed, a liquor outlet 7 extends from the bottoms of the rectifying tower section 4 and the flavoring rectifying tower 5, the fen-flavor liquor and the strong-flavor liquor are respectively discharged from the two liquor outlet 7, the rectifying tower section 4 comprises a condensation cage 401 with the largest volume and a plurality of condensation cages 401 with the same specification and smaller volume, the condensation cage 401 with the largest volume is the main body part of the rectifying tower section 4, and the specification of the condensation cage 401 with the smaller volume is the same specification, therefore, the device is generally used when the volume of the rectifying tower section 4 needs to be expanded, the expanded volume is changed in an equal difference manner every time, a plurality of condensation cages 401 are stacked together from bottom to top, the edges of the stacked surfaces are fixed and well sealed, the stacked appearance is similar to a food steamer, the condensation cage 401 with the largest volume is positioned at the uppermost part, the condensation cage 401 with the smaller volume is only expanded and installed from the lower part of the largest condensation cage 401, the top part of the condensation cage 401 with the largest upper part is sealed, the whole rectifying tower section 4 is not required to be sealed again by an upper sealing cover, a window and a temperature display are arranged on the side wall of each condensation cage 401, a worker can conveniently observe the condensation water droplet amount on the inner wall of the rectifying tower section 4 through the window, a probe of the temperature display extends to the inside of the condensation cage 401 and is used for directly monitoring whether the temperature in the condensation cage 401 is in a proper range or not, thereby judging whether the water cooling system needs to improve the working power.

The side wall of the distillation tower 2 is also connected with a high ester conduit 16 for conveying the evaporation gas with higher ester content, the high ester conduit 16 is positioned at the middle height of the distillation tower 2, the connecting position of the high ester conduit 16 and the distillation tower 2 is higher than the preset maximum liquid level height in the distillation tower 2, the molecular weight of the ester is larger than that of ethanol and water, so that the gaseous substance during evaporation is close to the liquid level of the boiling raw material liquid in the distillation tower 2, the other end of the high ester conduit 16 is connected with the bottom of the aroma-enhancing rectification tower 5, the steam with higher ester content enters from the bottom of the aroma-enhancing distillation tower 2, when encountering the inner wall of the distillation tower 2 with lower temperature, the gaseous substance is subjected to heat release and condensation to become a liquid substance, the liquid drops condensed from the steam with lower ester content above are continuously converged into a water column, the water column flows downwards and is mixed with the condensate with higher ester content to form strong liquor, the steam entering from the upper part and the lower part of the aroma-enhancing distillation tower 2 is not immediately condensed into a liquid phase, the liquid phase but flows in the distillation tower 2 for one end, so that the ester content of the ester substances entering from the upper part and the lower part can be fully condensed to the lower part, and the liquid phase, the steam entering the strong liquor can be fully condensed, and the mixed with the strong liquor, and the mixed liquor can be discharged directly and can be uniformly mixed liquor, and is well distributed.

The water cooling system comprises a cooling main pipe 14, the flowing inner diameter is the largest, a plurality of cooling branch pipes 15 extend out of the cooling main pipe 14 and are used for being connected with different tank bodies in different directions, the cooling branch pipes 15 comprise a plurality of first branch pipes 151, a second branch pipe 152 and a third branch pipe 153, the first branch pipes 151 are used for being communicated with an inner interlayer of a condensation cage 401 with the same specification respectively, the second branch pipes 152 are used for being communicated with an inner interlayer of the condensation cage 401 with the largest volume, the third branch pipes 153 are used for being communicated with an inner interlayer of a fragrance increasing rectifying tower 5, heat inside the condensation cage 401 or the fragrance increasing rectifying tower 5 can be absorbed by a heat exchange interlayer of condensed water entering the condensation cage 401 or the fragrance increasing rectifying tower 5, the temperature inside the condensation cage and the fragrance increasing rectifying tower 5 is always in a lower state, therefore, the steam entering the inside can be liquefied when encountering cold, which is a conventional method for condensation, the cooling branch pipes 15 further comprise a fourth branch pipe 154, the fourth branch pipe 154 is used for being communicated with the inside of the distillation tower 2, after the distillation operation is finished, a cleaning valve on the fourth branch pipe 154 is opened, and the condensed water can be used as a cleaning mechanism for cleaning the inside of the distillation tower 2.

Rectifying column festival 4 and fragrant increasing rectifying column 5 all have bilayer structure, the space of innermost supplies the steam condensation, and the interlayer space is used for and water cooling system intercommunication, constitute the circulation passageway of cooling water, the lateral wall of condensation cage 401 is provided with first return end 402, the lateral wall of fragrant increasing rectifying column 5 is provided with second return end 501, first return end 402 and second return end 501 are suitable for the coolant liquid recovery end intercommunication with water cooling system, conveniently retrieve the water of intensification and recycle, recycle's mode can be for the equipment intensification that other needs preheat, the water after the cooling further becomes the lower cooling water of temperature again through compressor cooling effect.

The working principle of the low-temperature vacuum distillation device is as follows: under the air pumping action of the negative pressure pump 13, the internal environment of the distillation tower 2 is close to vacuum, the raw material liquid in the distillation tower 2 loses the air pressure action above the liquid level, the boiling point is greatly reduced, at the moment, the steam introduced into the heating barrel 1 only needs to conduct a small amount of heat to the distillation tower 2, so that the distillation tower 2 is heated up, the raw material liquid to be distilled generates a large amount of mixed steam from boiling, the generated steam leaves the distillation tower 2 in two paths, the steam with higher alcohol content at the top of the distillation tower 2 enters the rectifying tower section 4 and the aroma-enhancing rectifying tower 5 through the guide arm 3 in two paths respectively, the steam with higher ester content near the liquid level in the distillation tower 2 enters the aroma-enhancing rectifying tower 5 through the high ester guide pipe 16, and the steam entering the rectifying tower section 4 or the aroma-enhancing rectifying tower 5 is condensed into two types of strong aromatic wine and aromatic wine respectively with the help of a water cooling system.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (8)

1. A low temperature vacuum distillation device is characterized in that: including heating bucket, distillation column, rectifying column festival and odorization rectifying column, the heating bucket cover is in the outside of distillation column, the outside of distillation column is provided with the negative pressure pump, the top of distillation column is connected with the water conservancy diversion arm, the water conservancy diversion arm branching out two pipelines respectively with the bottom of distillation column festival and the top of odorization rectifying column are connected, the lateral wall of distillation column still is connected with the high ester pipe, the high ester pipe is located the middle height department of distillation column, the high ester pipe with the hookup location of distillation column is higher than the inside maximum liquid level height of predetermineeing of distillation column, the other end of high ester pipe with the bottom of odorization rectifying column is connected, distillation column festival and odorization rectifying column all have bilayer structure, wherein the interlayer cavity is used for communicating with water cooling system.

2. A cryogenic vacuum distillation apparatus as claimed in claim 1 wherein: rectifying column festival includes the condensation cage that a volume is the biggest and the less condensation cage of the unanimous volume of a plurality of specifications, and is a plurality of the condensation cage stacks together from bottom to top, and the volume is the biggest the condensation cage is located the top, every the lateral wall of condensation cage all is provided with window and temperature monitor.

3. A cryogenic vacuum distillation apparatus as claimed in claim 2 wherein: the water cooling system includes cooling header, a plurality of cooling branch pipes extend on the cooling header, cooling branch pipe includes a plurality of first branch pipes, second branch pipe and third branch pipe, first branch pipe is used for unanimous with the specification respectively the inside interlayer intercommunication of condensation cage, the second branch pipe is used for with the volume is the biggest the inside interlayer intercommunication of condensation cage, the third branch pipe is used for the inside interlayer intercommunication with adding fragtant rectifying column.

4. A cryogenic vacuum distillation apparatus as claimed in claim 3 wherein: the cooling leg further includes a fourth leg for communicating with the interior of the distillation column.

5. A cryogenic vacuum distillation apparatus as claimed in claim 2 wherein: the side wall of the condensation cage is provided with a first backflow end, the side wall of the aroma-enhancing rectifying tower is provided with a second backflow end, and the first backflow end and the second backflow end are suitable for being communicated with a cooling liquid recovery end of the water cooling system.

6. The cryogenic vacuum distillation apparatus of claim 1, wherein: the inner wall of heating bucket with constitute the heat exchange chamber between the lateral surface of distillation column, the lateral wall of heating bucket is provided with steam generator interface, thermometer and air discharge end, steam generator interface and air discharge end with heat exchange chamber intercommunication, the temperature detect probe of thermometer extends to in the distillation column.

7. A cryogenic vacuum distillation apparatus as claimed in claim 1 wherein: the side wall of the distillation tower above the heating barrel is provided with a perspective material injection end, a pressure gauge and a pressure relief valve, and a pressure detection probe of the pressure gauge extends into the distillation tower.

8. The cryogenic vacuum distillation apparatus of claim 1, wherein: and a wine outlet port extends from the bottom of each of the rectifying tower section and the aroma-enhancing rectifying tower.

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