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Method and system for recovering aroma substances in production process of instant coffee

An aroma substance and production process technology, applied in the direction of coffee spice and the like, can solve the problems of great influence on the aroma quality of instant coffee, damage, loss of volatile aroma substances, etc., and achieve the improvement of quality, low energy consumption and production cost saving. Effect

Active Publication Date: 2015-03-25
DAMIN FOODSTUFF ZHANGZHOU CO LTD
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  • Application Information

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Problems solved by technology

For the extraction and concentration process, the existing heating vacuum concentration evaporates a large amount of water in the coffee feed liquid at a certain temperature and a certain pressure (negative pressure), so that

Method used

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  • Method and system for recovering aroma substances in production process of instant coffee

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Embodiment Construction

[0027] like figure 1 As shown, a system for recovering aroma substances in the production process of instant coffee, the system comprises a flash tank 1, a water pump I2, a plate heat exchanger I3, a water pump II4, a plate heat exchanger II5, a water pump III6, a displacement tower 7 , vacuum pump 8, adsorption tower 9, water pump Ⅳ10, plate heat exchanger Ⅲ11, plate heat exchanger Ⅳ12, water pump Ⅴ13, Roots blower 14, collecting tank 15, the outlet 16 at the bottom of the flash tank 1 is provided with a water pump I2 , the top outlet 17 is connected to the plate heat exchanger I3, the outlet 18 of the plate heat exchanger I3 is connected to the top of the replacement tower 7, and the bottom of the replacement tower 7 is provided with a process water inlet 19, a water pump III6 and a plate heat exchanger II5. 7. The outlet at the top of the tower is connected with the vacuum pump 8, and the vacuum pump 8 is connected with the inlet 20 at the bottom of the adsorption tower 9....

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Abstract

The invention relates to a method and a system for recovering aroma substances in the production process of instant coffee. According to the method, the aroma substances lost in the coffee grinding process are recovered by virtue of the water spraying condensation of a freezing process in an adsorption tower and aroma substances in an extraction process and a concentration step are recovered by virtue of flashing, displacement, concentration and adsorption, so that the aroma substances easy to lose and damage in the production process of the instant coffee are recovered in all directions; according to the method for recovering the aroma substances in the production process of the instant coffee, in sufficient combination with the production process of the instant coffee and based on the principle of high-temperature and high-pressure extraction of the coffee, the easily-volatile aroma substances in a high-temperature and high-pressure extract are quickly separated from material liquid by use of the flashing technology, and then the separated-out easily-volatile aroma substances are purified and concentrated, and finally backfilled to the coffee concentrate; the original aroma quality of instant coffee is retained to the utmost extent. Besides, water is taken as a condensate in the method, and is free of pollution, reusable and low in energy consumption; the method has obvious advantages in technology and economy, and can be widely applied to recovering the aroma substances in the industrial production, and the production cost can be saved.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a method and a system for recovering aroma substances in the production process of instant coffee, which can recover the aroma substances in the whole process of instant coffee production. Background technique [0002] Coffee, tea and cocoa are known as the world's three major beverage plants. About one-third of the world's population drink it. Coffee is second only to oil in global trade. Coffee is rich in protein, crude fiber, crude fat, caffeine, etc. Because of its unique mellow taste and refreshing and exciting effects, it has gradually become an indispensable daily drink for modern people. With the accelerating pace of life in modern society, more and more people who like to drink coffee are accepting instant coffee compared to the more complicated traditional coffee brewing methods. Instant coffee is a dry coffee extract obtained by evaporating the water in the coffee extra...

Claims

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Application Information

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IPC IPC(8): A23F5/48A23F5/50
Inventor 饶建平陈凯蒋艾青
Owner DAMIN FOODSTUFF ZHANGZHOU CO LTD
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