CN1880426A - Flash evaporation system for wheat juice - Google Patents
Flash evaporation system for wheat juice Download PDFInfo
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- CN1880426A CN1880426A CN 200610050781 CN200610050781A CN1880426A CN 1880426 A CN1880426 A CN 1880426A CN 200610050781 CN200610050781 CN 200610050781 CN 200610050781 A CN200610050781 A CN 200610050781A CN 1880426 A CN1880426 A CN 1880426A
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- wheat juice
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- discharge
- flashing chamber
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- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
Abstract
The invention discloses a wheat-liquid flash evaporating system, which comprises the following parts: boiler, cyclotron sediment groove, cooler and flash evaporating chamber with charge and discharge on the upper and lower parts, wherein the discharge of boiler connects the discharge of cyclotron sediment groove through pipe; the charge of flash evaporating chamber connects discharge of cyclotron sediment groove through charge pipe; the discharge of flash evaporating chamber connects liquid material charge of cooler through discharge pipe; the vent hole is opened on the flash evaporating chamber through vent pipe and vacuum pump, which makes pressure in the evaporating chamber lower than saturated vapor pressure of wheat liquid. The invention shortens boiling time, which saves cost and reduces consumption.
Description
Technical field
The present invention relates to a kind of vapo(u)rization system that Wort boiling adopted in beer production.
Background technology
Existing Wort boiling system comprises boiling pot, whirlpool tank and water cooler, and wheat juice is heated in boiling pot, makes the dimethyl sulphide presoma in it be cracked into free dimethyl sulphide, and this cacogeusia material and other unfavorable flavour substances are evaporated gradually; Then, the wheat juice in the boiling pot flows in the whirlpool tank by pipeline, through leaving standstill and isolate hot trub; At last, effusive hot wheat juice then obtains required cold wheat juice after the water cooler cooling from whirlpool tank.But in such boiling process process; usually can find: because the wheat juice total evaporation in the boiling pot is lower; perhaps be contained in ducted pumping rate when excessive when string; make that the evaporation surface of wheat juice is too small relatively; the dimethyl sulphide presoma does not have the time enough cracking in the wheat juice; free dimethyl sulphide after the cracking does not separate fully yet, has exceeded the desired value of 100 μ g/T down to free dimethyl sulphide in wheat juice and presoma total amount thereof, thereby has caused the defective of beer flavor difference.And in order to overcome above-mentioned drawback, usually adopt the method that wheat juice is boiled strongly to overcome again, to guarantee that dimethyl sulphide has sufficient time to cracking, result that can be such usually makes again and the decline of solidifiable nitrogen content and the rising of wheat juice thermal load in the wheat juice also causes the big drawback of energy consumption simultaneously.Therefore, how to improve the vaporization efficiency of wheat juice, and can protect the effective ingredient in the wheat juice again, become to press for now the technical problem of solution.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, and a kind of content that can reduce the dimethyl sulphide in the wheat juice is provided, and can improve the solidifiable nitrogen content again, and the low flash evaporation system for wheat juice of energy consumption.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this flash evaporation system for wheat juice comprises boiling pot, whirlpool tank and water cooler, the discharge gate of wherein said boiling pot is connected with the opening for feed of above-mentioned whirlpool tank by pipeline, it is characterized in that: also comprise, the bottom is provided with the flashing chamber of opening for feed and discharge port, the opening for feed of this flashing chamber is connected in the discharge port of above-mentioned whirlpool tank by feed-pipe, the discharge port of described flashing chamber links to each other with the liquid material import of described water cooler by discharge nozzle, simultaneously on this flashing chamber, also be provided with the venting port that is connected with vacuum pump by vapor pipe, and make air pressure in the above-mentioned flashing chamber be lower than the saturated vapor pressure of described wheat juice.
As a further improvement on the present invention, can be equipped with the vacuum-evaporation condenser on the described vapor pipe, the middle water of this vacuum-evaporation condenser into and out of the hole respectively the water pipe by separately be connected with the heat energy storage tank, and the middle water in this heat energy storage tank by pipe connecting be used for the interchanger of preheating wheat juice and link to each other.Like this, can further reclaim the heat energy in the secondary steam, realize the purpose of environmental protection and energy saving
Can also be equipped with wheat juice pump on the described feed-pipe, between the feed-pipe of this wheat juice pump inlet place and described discharge nozzle, also be connected with the intervalve of band control valve.So that the wheat juice circulating and evaporating in the flashing chamber is controlled the back steam output in the flashing chamber flexibly.
Compared with prior art, the invention has the advantages that (1) improved the quality of wheat juice: because the wheat juice that comes out from whirlpool tank among the present invention is imported into the flashing chamber, utilize bleeding of vacuum pump, make in the precipitation process of circling round and the vacuum-evaporation process in the unfavorable taste and the odoring substance that regenerate taken out of with the form of secondary steam, promptly produced back steam output, thereby made that unfavorable flavour substances obviously reduces in the wheat juice; Simultaneously by the vacuum-evaporation in the above-mentioned flashing chamber, shorten in the boiling pot boil between, reduce total evaporation and kept solidifiable nitrogen in the wheat juice as much as possible; Also reduce wheat juice thermal load in addition widely, finally improved the stability of wort quality and beer flavor.(2) energy consumption is low: utilize the evaporation again in the flashing chamber, and the original heat energy consumption that can reduce the heating of wheat juice greatly and boil, thus reached save energy, environmentally friendly purpose.(3) since flashing chamber in prior art between whirlpool tank and the water cooler, when therefore transforming, do not influence the carrying out of ordinary production, be not subjected to the restriction of existing Wort boiling system yet, can be linked in the existing sacchariferous equipment easily, can also be simultaneously use, and because the shortening of Wort boiling time, can improve the throughput of saccharification line widely for two or many saccharification lines.So cost of investment of the present invention is low, throughput is strong, and energy consumption is low, can make wort quality optimized again, therefore is worth transforming on existing saccharification line using.
Description of drawings
Fig. 1 is the system schematic of the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, this flash evaporation system for wheat juice comprises boiling pot 1, whirlpool tank 2, flashing chamber 11 and water cooler 3, and wherein, the bottom of flashing chamber 11 is provided with discharge port, and its top is respectively equipped with opening for feed and venting port.Install when connecting, the discharge gate of boiling pot 1 is connected by the opening for feed of pipeline with above-mentioned whirlpool tank 2, and the discharge port of whirlpool tank 2 links to each other with the opening for feed of above-mentioned flashing chamber 11 by feed-pipe 7, the discharge port of flashing chamber links to each other with the liquid material import of water cooler 3 by discharge nozzle 10, the venting port of flashing chamber then links to each other with vacuum pump 17 by vapor pipe 16, by bleeding of vacuum pump 17, the saturated atmosphere that makes these flashing chamber 11 interior air pressure be lower than wheat juice is pressed.Simultaneously on above-mentioned vapor pipe 16, be equipped with vacuum-evaporation condenser 18, the middle water of this vacuum-evaporation condenser 18 is connected with heat energy storage tank (not looking among the figure) by inlet tube and outlet tube respectively into and out of the hole, and the middle water in this heat energy storage tank by pipe connecting be used for the interchanger (not looking among the figure) of preheating wheat juice and link to each other.During use, in the heat energy storage tank, when needing, this heat energy enters the wheat juice of boiling pot by the interchanger preheating with the thermal energy storage that produces in the secondary steam, so both can fully reclaim heat energy, the heat energy that can further reduce wheat juice heating in the boiling pot again and be consumed when boiling.
In the present embodiment, also be equipped with the keying valve that wheat juice pump 6 and break-make are used on the above-mentioned feed-pipe, the keying valve also is installed on discharge nozzle equally, here, above-mentioned keying valve adopts Pneumatic butterfly valve, so that Long-distance Control.Certainly, also can adopt other conventional valve.Between the feed-pipe of above-mentioned wheat juice pump 6 ingresss and discharge nozzle, also be connected with simultaneously the intervalve 4 of band control valve 5.Conventional tensimeter 12, thermometer and high level switch 8 and low liquid level switch 9 are installed on flashing chamber.In addition, in order to clean flashing chamber 11 in time, be provided with the spray header 13 that can feed washings within it with on the vapor pipe.And vapor pipe 16 is provided with pressure warning unit 14 and safety valve 15.The diaphragm valve 20 that is subjected to the control of process control temp table 19 is installed on the rising pipe of above-mentioned vacuum-evaporation condenser, after adopting this diaphragm valve, when the middle water temp in the rising pipe is lower than set(ting)value, this diaphragm valve 20 is regulated automatically and is reduced aquifer yield, the leaving water temperature(LWT) of water can remain on the required temperature in the middle of making, to guarantee the preheating temperature of wheat juice.
During evaporation, in boiling pot 1, wheat juice is normally boiled, its steam output is controlled at about 4%, to guarantee that the dimethyl sulphide presoma in the wheat juice has time enough to be cracked into free dimethyl sulphide, the wheat juice that boils end of a period enters in the whirlpool tank 2 routinely, through leaving standstill and isolate hot trub.Then in the effect of wheat juice pump 6, this hot trub is pumped in the flashing chamber 11 that pressure is lower than its saturated vapor pressure, wheat juice is sharply vaporized partial solvent because of overheated, the secondary steam that vaporization is produced is under the effect of vacuum pump 17, flow along vapor pipe 16, and by 18 coolings of vacuum-evaporation condenser, cooling fluid flows out from condensation-water drain 21, and gas is taken away by vacuum pump 17, the middle water exchange of countercurrent flow in its heat energy and the vacuum-evaporation condenser 18, water is heated to about 80 ° in the middle of making, and this hot water is stored in the heat energy storage tank, further is used for preheating wheat juice as required.And flowed into the conventional water cooler 3 from the hot wheat juice that discharge flashing chamber 11 bottoms, obtain required cold wheat juice at last.
In the present embodiment, the back steam output that is produced in flashing chamber is controlled as required, when processing requirement needs less back steam output, can close the control valve 5 on the intervalve, the hot wheat juice that is come out in flashing chamber 11 bottoms flows to water cooler 3 in time.When processing requirement needs bigger back steam output, then close the preceding butterfly valve 22 of water cooler, open the control valve 5 on the intervalve, make hot wheat juice that flashing chamber 11 bottoms come out through discharge nozzle 10, intervalve 4, wheat juice pump 6 and feed-pipe 7, enter again in the flashing chamber 11, through after repeatedly circulating, flow to water cooler 3 more like this.Therefore, when actually operating, can control the back steam output in the flashing chamber 11 neatly, the little wheat juice of dimethyl sulphide content so that obtain solidifiable nitrogen content height.
Claims (3)
1, a kind of flash evaporation system for wheat juice, it comprises boiling pot (1), whirlpool tank (2) and water cooler (3), the discharge gate of wherein said boiling pot (1) is connected by the opening for feed of pipeline with above-mentioned whirlpool tank (2), it is characterized in that: also comprise, the bottom is provided with the flashing chamber (11) of opening for feed and discharge port, the opening for feed of this flashing chamber is connected in the discharge port of above-mentioned whirlpool tank (2) by feed-pipe (7), the discharge port of described flashing chamber links to each other with the liquid material import of described water cooler (3) by discharge nozzle (10), simultaneously on this flashing chamber, also be provided with the venting port that is connected with vacuum pump (17) by vapor pipe (16), and make air pressure in the above-mentioned flashing chamber (11) be lower than the saturated vapor pressure of described wheat juice.
2, flash evaporation system for wheat juice according to claim 1, it is characterized in that: be equipped with vacuum-evaporation condenser (18) on the described vapor pipe (16), the middle water of this vacuum-evaporation condenser (18) into and out of the hole respectively the water pipe by separately be connected with the heat energy storage tank, and the middle water in this heat energy storage tank by pipe connecting be used for the interchanger of preheating wheat juice and link to each other.
3, flash evaporation system for wheat juice according to claim 1 and 2, it is characterized in that: be equipped with wheat juice pump (6) on the described feed-pipe, between the feed-pipe of this wheat juice pump inlet place and described discharge nozzle, also be connected with the intervalve (4) of band control valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100507810A CN100398635C (en) | 2006-05-17 | 2006-05-17 | Flash evaporation system for wheat juice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100507810A CN100398635C (en) | 2006-05-17 | 2006-05-17 | Flash evaporation system for wheat juice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880426A true CN1880426A (en) | 2006-12-20 |
| CN100398635C CN100398635C (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100507810A Active CN100398635C (en) | 2006-05-17 | 2006-05-17 | Flash evaporation system for wheat juice |
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| Country | Link |
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| CN (1) | CN100398635C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628011A (en) * | 2012-04-27 | 2012-08-08 | 广州珠江啤酒股份有限公司 | Wort soft boiling process and equipment |
| CN104531408A (en) * | 2014-12-23 | 2015-04-22 | 宁波沪港食品机械制造有限公司 | Wort boiling equipment |
| CN109423378A (en) * | 2017-09-01 | 2019-03-05 | 宁波乐惠国际工程装备股份有限公司 | The method and device thereof of Wort boiling in brewing |
| WO2022151633A1 (en) * | 2021-01-14 | 2022-07-21 | 天津科技大学 | Wort thin film enhanced mass transfer boiling system and low-heat load boiling process thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU697766B2 (en) * | 1992-12-31 | 1998-10-15 | Metallgesellschaft Aktiengesellschaft | Process of producing beer |
| CN2910938Y (en) * | 2006-05-17 | 2007-06-13 | 宁波乐惠食品设备制造有限公司 | Flash evaporator system for wheat juice |
-
2006
- 2006-05-17 CN CNB2006100507810A patent/CN100398635C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628011A (en) * | 2012-04-27 | 2012-08-08 | 广州珠江啤酒股份有限公司 | Wort soft boiling process and equipment |
| CN102628011B (en) * | 2012-04-27 | 2013-11-20 | 广州珠江啤酒股份有限公司 | Wort soft boiling process and equipment |
| CN104531408A (en) * | 2014-12-23 | 2015-04-22 | 宁波沪港食品机械制造有限公司 | Wort boiling equipment |
| CN109423378A (en) * | 2017-09-01 | 2019-03-05 | 宁波乐惠国际工程装备股份有限公司 | The method and device thereof of Wort boiling in brewing |
| WO2022151633A1 (en) * | 2021-01-14 | 2022-07-21 | 天津科技大学 | Wort thin film enhanced mass transfer boiling system and low-heat load boiling process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100398635C (en) | 2008-07-02 |
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Address after: Zhou Xiangshan County town of 315722 Zhejiang city of Ningbo Province as the West Electrical Industrial Park Patentee after: NINGBO LEHUI INTERNATIONAL ENGINEERING EQUIPMENT CO., LTD Address before: 315722 No. 5, Ying Ying Road, Xizhou Town, Xiangshan County, Zhejiang Province Patentee before: Lehui Food Equipment Manufacutre Co., Ltd., Ningbo |