Hop adding device for brewing beer
By optimizing the recycling of carbon dioxide and utilizing the dew point rise characteristic of pressurized carbon dioxide for indirect heat exchange, the high energy consumption problem of carbon dioxide vaporization and liquefaction during hop extraction was solved, achieving energy saving, consumption reduction, and improved beer flavor consistency.
Patent Information
- Application Number
- CN202421854281.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-08-02
AI Technical Summary
In existing technologies, the additional energy consumption of carbon dioxide in the vaporization and liquefaction processes during hop extraction is high, resulting in unreasonable energy utilization and increased operating costs for enterprises.
A hop addition device for beer brewing was designed, including first and second extraction reactors. The device optimizes the recycling of carbon dioxide through a booster unit and a heat exchanger, and uses the dew point rise characteristic of pressurized carbon dioxide for indirect heat exchange to reduce the energy consumption of vaporization and liquefaction processes.
By optimizing the recycling of carbon dioxide, the additional energy consumption of the vaporization and liquefaction processes is reduced, work efficiency is improved, business operating costs are reduced, and the utilization rate of hops and the consistency of beer flavor are increased.
Smart Images
Figure CN223674591U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to beer brewing hops adding equipment field, concretely relates to a beer brewing hops adding device. BACKGROUND
[0002] Hops as a preservative, aromatic agent, is applied to beer brewing, has two thousand years of history, is the important auxiliary material in beer production, it can give beer with unique bitterness and flavor, is beneficial to the stability of beer. Hops components are complex, wherein the component that is beneficial to beer mainly is hops oil and soft resin, hops oil has special flavor, soft resin makes beer have bitterness. Alpha acid, beta acid and no bitter soft resin are collectively called soft resin, wherein alpha acid is humulone and its homologous compound collectively, is the main component of beer bitterness. Beta acid is lupulone, and its bitter degree is 1 / 9 of alpha acid, therefore usually uses alpha acid content as the bitterness index in production. Total resin has soft and hard resin. Generally fresh dried hops total resin accounts for about 15%, wherein soft resin accounts for 11%, and hard resin accounts for 3% to 5%, but the storage time prolongs, and soft resin will oxidize and deteriorate, makes the hard resin content increase. Prompt people to carry out deep processing to hops, the first factor of extracting effective component is that hops bitter component is easy to lose in storage. Test shows that the hops acid after storage for 1 year reduces 30%, and reduces more than 50% after two years. And the reasonable preservation hops extract shows good stability at room temperature for 31 months, still maintains the original bitter ability after longer storage. And beer hops extract has the alpha acid content, therefore can avoid the beer quality instability due to the difference of beer hops raw materials in large-scale beer production with beer hops extract.
[0003] In the early 1980s, CO2 has been used as a solvent to extract hops, and the CO2 is recycled in the whole process of extracting hops. Specifically, hops are ground and loaded into an extractor, CO2 gas is compressed to a certain pressure by a compressor and then introduced into the extractor, and then extracted at a preset temperature, and then reduced in pressure by a pressure reducing valve and sent to a separator for separation, and the hop extract stays in the separator, and then discharged and collected, and the CO2 is discharged from the separator and then collected for reuse. In the above process, the CO2 gas is in liquid form during the extraction of hops, so as to dissolve the effective components in the CO2 liquid, and the liquid CO2 in the separator is quickly volatilized, so as to dissolve the hop extract dissolved in the CO2. In the recycling of CO2, the vaporization and liquefaction of CO2 require additional energy to promote the vaporization and liquefaction of CO2 faster, in addition to the necessary pressure parameters, so there is room for improvement in the rational use of energy in the recycling of CO2 to extract hop extract from hops, and the rationality of the design of the hop extraction system is improved, the additional energy consumption of the vaporization and liquefaction of CO2 is reduced, and the operating cost of the enterprise is reduced. SUMMARY
[0004] In view of the shortcomings of the prior art, the present application provides a hop adding device for beer brewing, which overcomes the defects of the prior art.
[0005] The utility model discloses a technical scheme for a hops adding device for beer brewing, comprising a first extraction reaction kettle, a second extraction reaction kettle arranged below the first extraction reaction kettle, a jacket arranged outside the kettle body of the second extraction reaction kettle and the first extraction reaction kettle, the kettle body of the second extraction reaction kettle and the kettle body of the first extraction reaction kettle being in communication, a pressure reduction conveying pipe arranged on the kettle body of the second extraction reaction kettle, the pressure reduction conveying pipe being sequentially provided with a first regulating valve, a vacuum pump and an inlet end of a first buffer tank in the direction from close to the second extraction reaction kettle to far away from the second extraction reaction kettle, a pressure boosting conveying pipe arranged on the outlet end of the first buffer tank, the pressure boosting conveying pipe being sequentially provided with a pressure boosting unit, a first check valve, a heat source channel of a heat exchanger and an inlet end of a second buffer tank in the direction from close to the first buffer tank to far away from the first buffer tank, the jacket of the second extraction reaction kettle and the kettle body of the second extraction reaction kettle being in communication through a high-pressure conveying pipe, the high-pressure conveying pipe being provided with a second regulating valve, the jacket of the second extraction reaction kettle and the kettle body of the first extraction reaction kettle being in communication through a liquefaction conveying pipe, the liquefaction conveying pipe being sequentially provided with a second check valve, a liquefaction storage tank, a first stop valve, a first pressure boosting pump and a third regulating valve in the direction from the second extraction reaction kettle to the first extraction reaction kettle.
[0006] Preferably, the inlet end of the jacket of the first extraction reaction kettle is provided with the outlet end of a circulating refrigeration pipe, the inlet end of the circulating refrigeration pipe and the outlet end of the jacket of the first extraction reaction kettle are in communication, the circulating refrigeration pipe is sequentially provided with a second stop valve, a filter, a second pressure boosting pump, a fourth regulating valve, a water chiller unit and a first temperature sensor in the direction from the inlet end of the circulating refrigeration pipe to the outlet end of the circulating refrigeration pipe.
[0007] Preferably, the liquefaction storage tank, the kettle body of the first extraction reaction kettle and the kettle body of the second extraction reaction kettle are respectively provided with a liquid level sensor, and the second buffer tank and the liquefaction storage tank are respectively provided with a pressure relief valve.
[0008] Preferably, the pressure reduction conveying pipe between the first regulating valve and the second extraction reaction kettle is provided with a first pressure sensor, the second pressure sensor is arranged on the first buffer tank, and the pressure boosting conveying pipe between the heat exchanger and the second buffer tank is provided with a third pressure sensor.
[0009] Preferably, the kettle body of the first extraction reaction kettle and the kettle body of the second extraction reaction kettle are respectively provided with a stirring device, and the stirring device comprises a stirring shaft, stirring paddles arranged on the stirring shaft and a stirring motor drivingly connected to the stirring shaft.
[0010] Preferably, the kettle body of the second extraction reaction kettle and the kettle body of the first extraction reaction kettle are connected by a first extraction liquid conveying pipe, the first extraction liquid conveying pipe is provided with a third stop valve, and the kettle body of the second extraction reaction kettle is provided with a second extraction liquid conveying pipe, and the second extraction liquid conveying pipe is provided with a fifth regulating valve.
[0011] Preferably, the kettle body of the second extraction reaction kettle is provided with a flushing pipeline, and the flushing pipeline is sequentially provided with a sixth regulating valve, a second temperature sensor, an electric heater and a third booster pump along a direction from the second extraction reaction kettle to away from the second extraction reaction kettle.
[0012] The utility model has the advantages that: first, the carbon dioxide evaporated from the kettle body of the second extraction reaction kettle is pressurized by the booster set, and then is conveyed to the heat source channel of the heat exchanger and the medium of the heat source channel of the heat exchanger, so that the temperature rise of the carbon dioxide caused by pressurization is absorbed, and finally, the liquid carbon dioxide in the jacket of the second extraction reaction kettle and the kettle body of the second extraction reaction kettle is indirectly exchanged, the carbon dioxide after pressurization is used to rise the dew point, so that the jacket of the second extraction reaction kettle releases a large amount of heat during liquefaction, and the liquid carbon dioxide in the kettle body of the second extraction reaction kettle is accelerated to evaporate, so that the heat released during the liquefaction of the carbon dioxide and the heat absorbed during the vaporization of the carbon dioxide are reasonably utilized, and the additional energy consumption of the vaporization and liquefaction of the carbon dioxide is reduced.
[0013] Secondly, the second stop valve, the filter, the second booster pump, the fourth regulating valve, the cold water unit and the first temperature sensor are sequentially arranged along the direction from the inlet end of the circulating refrigeration pipe to the outlet end of the circulating refrigeration pipe.
[0014] Thirdly, the first pressure sensor, the second pressure sensor and the third pressure sensor are arranged on the decompression conveying pipe between the first regulating valve and the second extraction reaction kettle, the second buffer tank and the booster conveying pipe between the heat exchanger and the second buffer tank respectively.
[0015] The utility model has the advantages of simple structure, convenient operation, ingenious design, greatly improved work efficiency, good social and economic benefits, and easy popularization and use. DRAWINGS
[0016] Figure 1 The utility model discloses a structure schematic diagram.
[0017] Figure 2 isFigure 1 Detail A is a partial enlarged view. DETAILED DESCRIPTION
[0018] As Figures 1 to 2 shown, a beer brewing hop adding device comprises a first extraction reactor 1, a second extraction reactor 2 arranged below the first extraction reactor 1, the second extraction reactor 2 and the first extraction reactor 1 each comprising a reactor body and a jacket arranged outside the reactor body, the reactor body of the second extraction reactor 2 and the reactor body of the first extraction reactor 1 being in communication, a pressure reducing delivery pipe 3 arranged on the reactor body of the second extraction reactor 2, the pressure reducing delivery pipe 3 being sequentially provided with a first regulating valve 4, a vacuum pump 5 and an inlet end of a first buffer tank 6 along a direction from close to the second extraction reactor 2 to far away from the second extraction reactor 2, an outlet end of the first buffer tank 6 being provided with a pressure increasing delivery pipe 7, the pressure increasing delivery pipe 7 being sequentially provided with a pressure increasing unit 8, a first check valve 9, a heat source channel of a heat exchanger 10 and an inlet end of a second buffer tank 11 along a direction from close to the first buffer tank 6 to far away from the first buffer tank 6, the second buffer tank 11 and the jacket of the second extraction reactor 2 being in communication through a high pressure delivery pipe 12, the high pressure delivery pipe 12 being provided with a second regulating valve 13, the jacket of the second extraction reactor 2 and the reactor body of the first extraction reactor 1 being in communication through a liquefaction delivery pipe 14, the liquefaction delivery pipe 14 being sequentially provided with a second check valve 15, a liquefaction storage tank 16, a first stop valve 17, a first pressure increasing pump 18 and a third regulating valve 19 along a direction from the second extraction reactor 2 to the first extraction reactor 1.
[0019] An outlet end of a circulating refrigeration pipe 20 is arranged on an inlet end of the jacket of the first extraction reactor 1, an inlet end of the circulating refrigeration pipe 20 and an outlet end of the jacket of the first extraction reactor 1 being in communication, the circulating refrigeration pipe 20 being sequentially provided with a second stop valve 21, a filter 22, a second pressure increasing pump 23, a fourth regulating valve 24, a water chiller 25 and a first temperature sensor 26 along a direction from the inlet end of the circulating refrigeration pipe 20 to the outlet end of the circulating refrigeration pipe 20. The liquefaction storage tank 16, the reactor body of the first extraction reactor 1 and the reactor body of the second extraction reactor 2 are each provided with a liquid level sensor 27, the liquid level sensor 27 being installed to facilitate feedback of liquid level parameters. A relief valve 28 is arranged on each of the second buffer tank 11 and the liquefaction storage tank 16.
[0020] The first pressure sensor 29 is arranged on the decompression conveying pipe 3 between the first regulating valve 4 and the second extraction reaction kettle 2, the second pressure sensor 30 is arranged on the first buffer tank 6, and the third pressure sensor 31 is arranged on the pressurization conveying pipe 7 between the heat exchanger 10 and the second buffer tank 11. The kettle body of the second extraction reaction kettle 2 and the kettle body of the first extraction reaction kettle 1 are connected through the first extraction liquid conveying pipe 35, the third stop valve 36 is arranged on the first extraction liquid conveying pipe 35, the second extraction liquid conveying pipe 37 is arranged on the kettle body of the second extraction reaction kettle 2, and the fifth regulating valve 38 is arranged on the second extraction liquid conveying pipe 37.
[0021] Since the physical property of the hops extract is golden yellow to amber viscous liquid, after the kettle body of the second extraction reaction kettle 2 discharges a large amount of hops extract, part of the hops extract still adheres to the kettle body of the second extraction reaction kettle 2. In order to facilitate the cleaning of the hops extract remaining in the kettle body of the second extraction reaction kettle 2, the flushing pipe 39 is arranged on the kettle body of the second extraction reaction kettle 2, the sixth regulating valve 40, the second temperature sensor 41, the electric heater 42 and the third booster pump 43 are arranged on the flushing pipe 39 in sequence from the direction close to the second extraction reaction kettle 2 to the direction far from the second extraction reaction kettle 2; thus, the deionized water received by the flushing pipe 39 is pressurized by the third booster pump 43, heated by the electric heater 42, and then delivered to the kettle body of the second extraction reaction kettle 2 to the preset liquid level of the liquid level sensor 27 on the second extraction reaction kettle 2, the stirring device on the second extraction reaction kettle 2 is started to fully stir the heated deionized water in the kettle body of the second extraction reaction kettle 2, so that the hops extract adhering to the kettle body of the second extraction reaction kettle 2 is fully dissolved and then discharged through the second extraction liquid conveying pipe 37.
[0022] The use method of the product is as follows, as shown in FIG. Figures 1 to 2 The steps include:
[0023] S1, the hop which is broken to the preset granularity size is put into the kettle body of the first extraction reaction kettle 1; then, the second stop valve 21, the second booster pump 23, the fourth regulating valve 24 and the water in the jacket of the first extraction reaction kettle 1 are opened; the water is driven by the second booster pump 23 and then refrigerated by the water chiller 25 to form a cycle; when the first temperature sensor 26 reaches the preset temperature range and the cycle time reaches the preset time; then, the first stop valve 17, the first booster pump 18 and the third regulating valve 19 are opened; at this time, the carbon dioxide in liquid state temporarily stored in the liquefied storage tank 16 is boosted by the first booster pump 18 and then adjusted by the third regulating valve 19 to adjust the flow size before being transported to the kettle body of the first extraction reaction kettle 1 to reach the preset height of the liquid level of the kettle body of the first extraction reaction kettle 1; finally, the stirring device on the first extraction reaction kettle 1 is opened to fully stir the hop and the liquid carbon dioxide, so that the effective components in the hop are fully dissolved into the liquid carbon dioxide.
[0024] S2, when the stirring device on the first extraction reaction kettle 1 works to the preset time, the stirring device on the first extraction reaction kettle 1 is closed, and the third stop valve 36 is opened at this time; the medium in the kettle body of the first extraction reaction kettle 1 is transported to the kettle body of the second extraction reaction kettle 2 through the first extraction liquid conveying pipe 35. Then, the first regulating valve 4, the vacuum pump 5, the booster unit 8 and the second regulating valve 13 are opened; the upper layer of the liquid carbon dioxide in the kettle body of the second extraction reaction kettle 2 is reduced in pressure and then evaporated; the evaporated carbon dioxide gas is driven by the vacuum pump 5 and then transported to the first buffer tank 6 through the decompression conveying pipe 3; after being boosted by the booster unit 8, high-pressure carbon dioxide gas is formed and then transported to the heat source channel of the heat exchanger 10 and the medium continuously transported to the cold source channel of the heat exchanger 10 to perform countercurrent heat exchange; then, the medium is transported to the second buffer tank 11 and adjusted by the second regulating valve 13 before being transported to the jacket of the first extraction reaction kettle 1 and the liquid carbon dioxide in the kettle body of the second extraction reaction kettle 2 to perform heat exchange; due to the characteristic of the dew point rising of the pressurized carbon dioxide, the liquefied heat of the high-pressure carbon dioxide in the jacket of the first extraction reaction kettle 1 is continuously generated; the liquefied heat further promotes the rapid evaporation of the liquid carbon dioxide in the kettle body of the second extraction reaction kettle 2; the liquefied carbon dioxide is transported to the liquefied storage tank 16 for temporary storage; when the liquid level height of the kettle body of the second extraction reaction kettle 2 reaches the preset liquid level, the first regulating valve 4, the vacuum pump 5, the booster unit 8 and the second regulating valve 13 are closed. The hop extract which completes extraction is discharged from the second extraction reaction kettle 2 through the second extraction liquid conveying pipe 37 to be used as one of the raw materials for beer production.
[0025] The above process is different from directly adding hops into beer production and processing in that the time required for the extraction process of hops in the beer production process is shortened, and according to the "Extraction of Hops" in the March 1997 edition of "Natural Product Research and Development", the direct use of hops for extraction in beer production causes the loss of bitter components, and the utilization rate of hops is only maintained at about 25%; the hop extract extracted by carbon dioxide has a higher utilization rate of hops, which is convenient for maintaining the relative consistency of the taste of different batches of products even if the hops are different, and is beneficial to the approximate consistency of the taste of the processed beer.
[0026] Through the embodiment, the carbon dioxide evaporated outward from the kettle body of the second extraction reaction kettle 2 is pressurized by the booster set 8 and delivered to the heat source channel of the heat exchanger 10 and the medium of the cold source channel of the heat exchanger 10, and then is indirectly exchanged with the liquid carbon dioxide in the jacket of the second extraction reaction kettle 2 and the kettle body of the second extraction reaction kettle 2, so as to absorb the temperature rise of the carbon dioxide caused by pressurization. By using the characteristic of the dew point rise of the pressurized carbon dioxide, the jacket of the second extraction reaction kettle 2 releases a large amount of liquefaction heat during liquefaction, which further accelerates the evaporation of the liquid carbon dioxide from the kettle body of the second extraction reaction kettle 2. Therefore, the heat released outward during the liquefaction process of carbon dioxide and the heat required to be absorbed during the vaporization process of carbon dioxide are reasonably utilized, and the additional energy consumption of the vaporization process of carbon dioxide and the liquefaction process of carbon dioxide is reduced.
[0027] The above-described embodiments are only preferred embodiments of the present application, and do not limit the scope of the application. Therefore, equivalent changes or modifications made in accordance with the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.
Claims
1. A beer brewing hop addition device, characterized by: The utility model provides a kind of double-extraction reaction kettle, including first extraction reaction kettle (1), and the second extraction reaction kettle (2) is arranged below first extraction reaction kettle (1), and the kettle body of second extraction reaction kettle (2) and the kettle body of first extraction reaction kettle (1) are communicated, and the kettle body of second extraction reaction kettle (2) is provided with reduced-pressure delivery pipe (3), and reduced-pressure delivery pipe (3) is sequentially provided with first regulating valve (4), vacuum pump (5) and the import end of first buffer tank (6) along the direction close to second extraction reaction kettle (2) to far from second extraction reaction kettle (2), and the export end of first buffer tank (6) is provided with booster delivery pipe (7), and the booster delivery pipe (7) is sequentially provided with booster unit (8), first check valve (9), the heat source channel of heat exchanger (10) and the import end of second buffer tank (11) along the direction close to first buffer tank (6) to far from first buffer tank (6), and the kettle jacket of second extraction reaction kettle (2) and the kettle body of first extraction reaction kettle (1) are communicated by high-pressure delivery pipe (12), and high-pressure delivery pipe (12) is provided with second regulating valve (13), and the kettle jacket of second extraction reaction kettle (2) and the kettle body of first extraction reaction kettle (1) are communicated by liquefied delivery pipe (14), and liquefied delivery pipe (14) is sequentially provided with second check valve (15), liquefied storage tank (16), first stop valve (17), first booster pump (18) and third regulating valve (19) along the direction of second extraction reaction kettle (2) to first extraction reaction kettle (1).
2. The hop addition device for beer brewing according to claim 1, characterized in that: The import end of the kettle jacket of first extraction reaction kettle (1) is provided with the export end of circulating refrigeration pipe (20), and the import end of circulating refrigeration pipe (20) and the export end of the kettle jacket of first extraction reaction kettle (1) are communicated, and circulating refrigeration pipe (20) is sequentially provided with second stop valve (21), filter (22), second booster pump (23), fourth regulating valve (24), water chiller (25) and first temperature sensor (26) along the direction of the import end of circulating refrigeration pipe (20) to the export end of circulating refrigeration pipe (20).
3. The hop addition device for beer brewing according to claim 1, characterized in that: The kettle body of first extraction reaction kettle (1) and the kettle body of second extraction reaction kettle (2) are provided with liquid level sensor (27) respectively, and second buffer tank (11) and liquefied storage tank (16) are provided with pressure relief valve (28) respectively.
4. The hop addition device for beer brewing according to claim 1, characterized in that: First pressure sensor (29) is arranged on the reduced-pressure delivery pipe (3) between first regulating valve (4) and second extraction reaction kettle (2), and second pressure sensor (30) is arranged on first buffer tank (6), and third pressure sensor (31) is arranged on the booster delivery pipe (7) between heat exchanger (10) and second buffer tank (11).
5. The hop addition device for beer brewing according to claim 1, characterized in that: The kettle body of first extraction reaction kettle (1) and the kettle body of second extraction reaction kettle (2) are provided with stirring device respectively, and the stirring device includes stirring shaft (32), stirring paddle (33) arranged on stirring shaft (32) and stirring motor (34) drivingly connected on stirring shaft (32).
6. The hop addition device for beer brewing according to claim 1, characterized in that: The kettle body of the second extraction reaction kettle (2) and the kettle body of the first extraction reaction kettle (1) are connected through a first extraction liquid conveying pipe (35), the third stop valve (36) is arranged on the first extraction liquid conveying pipe (35), the kettle body of the second extraction reaction kettle (2) is provided with a second extraction liquid conveying pipe (37), and the fifth adjusting valve (38) is arranged on the second extraction liquid conveying pipe (37).
7. The hop addition device for beer brewing according to claim 1, characterized in that: The kettle body of the second extraction reaction kettle (2) is provided with a flushing pipeline (39), the sixth adjusting valve (40), the second temperature sensor (41), the electric heater (42) and the third booster pump (43) are sequentially arranged on the flushing pipeline (39) in the direction from the second extraction reaction kettle (2) to the direction away from the second extraction reaction kettle (2).